]> oss.titaniummirror.com Git - msp430-gcc.git/blobdiff - gcc/ChangeLog-2001
Imported gcc-4.4.3
[msp430-gcc.git] / gcc / ChangeLog-2001
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+2001-12-31  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (mark_reg_gr_used_mask): Mind HARD_REGNO_NREGS.
+
+2001-12-31  Richard Henderson  <rth@redhat.com>
+
+       * regrename.c (build_def_use): Don't rename asm operands that
+       were originally hard registers.
+       (copyprop_hardreg_forward_1): Likewise.
+       (find_oldest_value_reg): Copy ORIGINAL_REGNO from source.
+       * varasm.c (make_decl_rtl): Use gen_rtx_raw_REG.  Set ORIGINAL_REGNO.
+
+2001-12-31  Douglas B Rupp  <rupp@gnat.com>
+
+       * config/alpha/vms.h (HAS_INIT_SECTION, NEED_ATEXIT): Remove.
+       (NAME__MAIN, SYMBOL__MAIN): Define.
+
+2001-12-31  Richard Henderson  <rth@redhat.com>
+
+       * cfgrtl.c (delete_insn): Check for not NOTE_INSN_DELETED_LABEL
+       before decrementing LABEL_NUSES from a jump table.
+
+       * final.c (alter_subreg): Assign REGNO after changing the rtx code.
+
+       * config/alpha/alpha.c (reg_no_subreg_operand): Reject all
+       non-registers.
+
+2001-12-31  Graham Stott  <grahams@redhat.com>
+
+       * halfpic.h: Remove foward defs of tree_node and rtx_def.
+
+        * toplev.h: Remove forward def of tree_node, rtx_def.
+
+       * except.h: Remove forward def of tree_node, rtx_def and
+       define of tree, rtx. Also remove undefs.
+
+       * basic-block.h: Remove forward def of tree_node and
+       define of tree.
+
+2001-12-30  Richard Henderson  <rth@redhat.com>
+
+       * cfglayout.c (scope_def, scope_forest_info, forest,
+       relate_bbs_with_scopes, make_new_scope, build_scope_forest,
+       remove_scope_notes, insert_intra_before_1, insert_intra_1,
+       insert_intra_bb_scope_notes, insert_inter_bb_scope_notes,
+       rebuild_scope_notes, free_scope_forest_1, dump_scope_forest,
+       dump_scope_forest_1, get_next_bb_note, get_prev_bb_note): Remove.
+       (fixup_reorder_chain): Don't set scope for bb.
+       (insn_scopes, scope_to_insns_initialize, set_block_levels,
+       change_scope, scope_to_insns_finalize): New.
+       (cfg_layout_initialize, cfg_layout_finalize): Update to match.
+       * cfglayout.h (scope_def, scope): Remove.
+       (reorder_block_def): Remove scope member.
+       (scope_to_insns_initialize, scope_to_insns_finalize): Declare.
+       * haifa-sched.c: Revert reemit_other_notes change.
+       * sched-ebb.c (schedule_ebbs): Don't call remove_unnecessary_notes.
+       Use scope_to_insns_initialize and scope_to_insns_finalize.
+       * sched-rgn.c (schedule_insns): Likewise.
+
+2001-12-31  Graham Stott  <grahams@redhat.com>
+
+       * c-lex.c: Include tree.h before expr.h
+
+       * c-typeck.c: Include rtl.h earlier.
+
+       * tree.h (STRIP_NOPS): Remove extraneous semicolon.
+       (STRIP_SIGN_NOPS): Likewise.
+       (STRIP_TYPE_NOPS): Likewise.
+       (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): Add Parenthesis around
+       macro paramater.
+
+       * final.c (struct bb_list): Delete.
+       (struct bb_str): Likewise.
+
+       * cfgloop.c (flow_loop_entry_edges_find): Fix typo.
+        (flow_loop_exit_edges_find): Likewise.
+
+       * gcse.c (gcse_main): Fix typos.
+       (alloc_gcse_mem): Likewise.
+
+       * function.h: Remove undefs for rtx and tree.
+
+2001-12-30  Richard Henderson  <rth@redhat.com>
+
+       * loop.c (check_dbra_loop): Fix last change: examine both
+       has_multiple_exit_targets and exit_count.
+
+2001-12-30  Richard Henderson  <rth@redhat.com>
+
+       * integrate.c (copy_rtx_and_substitute): Fix error last change:
+       we need to unconditionally create a new mem.
+
+2001-12-30  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * config/mmix/mmix.md ("*call_real"): Fix typo in comment.
+       * config/mmix/mmix.h (EXTRA_CONSTRAINT): Pass MMIX_REG_OK_STRICT
+       to mmix_extra_constraint.
+       * config/mmix/mmix.c (mmix_secondary_reload_class): Only handle
+       non-global register classes.  Mark now unused parameters as such.
+       (mmix_extra_constraint, 'U'): Use new parameter strict and call
+       calling memory_operand_p or strict_memory_address_p, not
+       address_operand.
+       * config/mmix/mmix-protos.h (mmix_extra_constraint): Add parameter.
+
+2001-12-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * unroll.c: Move include files above first use of `const'.
+
+2001-12-30  Jakub Jelinek  <jakub@redhat.com>
+
+       * cfgrtl.c (try_redirect_by_replacing_jump): Allow redirect_jump
+       to fail if target is EXIT_BLOCK_PTR, die otherwise.
+       (redirect_edge_and_branch): Likewise.
+       * cfgcleanup.c (try_forward_edge): Don't force jump redirecting
+       if target is EXIT_BLOCK_PTR.
+
+2001-12-29  David Edelsohn  <edelsohn@gnu.org>
+
+       * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
+       gcc invoked with -shared.
+
+2001-12-29  Graham Stott  <grahams@redhat.com>
+
+        * config/i386/i386.c (ix86_asm_dialect): Fix enum type.
+
+        (override_options): Delete abs macro unused.
+
+        (output_pic_addr_const): Use ASM_ATT/ASM_INTEL enumerations
+        when testing ASSEMBLER_DIALECT.
+
+        (print_reg): Likewise.
+        (print_operand): Likewise.
+        (print_operand_address): Likewise.
+        (print_operand): abort if ASSEMBLER_DIALECT is unknown dialect.
+
+        * config/i386/i386.h (ix86_asm_dialect): Fix enum type.
+
+        (FIND_BASE_TERM): Fix typo.
+
+Sat Dec 29 15:48:54 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (store_field): Use adjust_address, not PUT_MODE.
+       (expand_expr, case VIEW_CONVERT_EXPR): Likewise.
+       * reload1.c (eliminate_regs, case SUBREG): Likewise, but use
+       adjust_address_nv.
+       * varasm.c (make_decl_rtl): Likewise.
+       * integrate.c (copy_rtx_and_substitute, case MEM): Likewise, but use
+       replace_equiv_address_nv.
+
+       * varasm.c (decode_addr_const, case INTEGER_CST): Call
+       output_constant_def instead of looking at TREE_CST_RTL.
+
+       * expr.c (convert_move): If -fforce-mem, force FROM to not be memory.
+
+       * stor-layout.c (layout_decl): Don't misalign field of variable size
+       for packed record.
+
+       * dwarf2out.c (compute_section_prefix): Avoid cast warning.
+       (gen_decl_die): Only check DECL_IGNORED_P on decls.
+       (dwarf2out_decl): Check for DECL_IGNORED_P only when needed.
+
+2001-12-29  Jakub Jelinek  <jakub@redhat.com>
+
+       * cfglayout.c (insert_intra_before_1): New.
+       (insert_inter_bb_scope_notes): Emit sibling block notes which don't
+       span multiple basic blocks.
+
+2001-12-29  Richard Henderson  <rth@redhat.com>
+
+       * loop.c (prescan_loop): Set has_multiple_exit_targets for exception
+       edges.  Rearrange jump interpretation code to use pc_set.
+       (check_dbra_loop): Examine has_multiple_exit_targets not exit_count.
+
+       * sched-deps.c (sched_analyze_insn): Set scheduling barrier for
+       all insns that can throw, not just if flag_non_call_exceptions.
+
+2001-12-29  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Remove.
+       (default_constant_string_class_name): New global.
+       (objc_init): Set it.
+       (synth_module_prologue): Use it.
+
+       * objc/objc-act.c: Apply various cosmetic and formatting changes.
+
+2001-12-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/rs6000/darwin-tramp.asm: Fix comment formatting.
+       * config/rs6000/freebsd.h: Likewise.
+       * config/rs6000/rs6000.c: Likewise.
+       * config/sh/sh.c: Likewise.
+       * config/sh/sh.h: Likewise.
+
+2001-12-28  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (build_module_descriptor): Make sure the init
+       function is not deferred.
+       (build_dispatch_table_initializer): Compute the method encoding if
+       not already done.
+
+2001-12-28  Kazu Hirata  <kazu@hxi.com>
+
+       * doc/md.texi: Add @findex define_insn_and_split.
+
+2001-12-28  Hans Bohem  <hans_boehm@hp.com>
+
+       * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+       * config/ia64/unwind-ia64.c (uw_init_context_1): Redo sp, psp,
+       bsp setup.  Set pri_unat_loc to something reasonable.
+       (uw_install_context): Add missing cast.
+       (unw_access_gr): Fix off-by-1 indexing error.
+
+2001-12-28  Kazu Hirata  <kazu@hxi.com>
+
+       * except.c: Fix comment formatting.
+       * flags.h: Likewise.
+       * flow.c: Likewise.
+       * predict.c: Likewise.
+       * simplify-rtx.c: Likewise.
+       * system.h: Likewise.
+       * vmsdbg.h: Likewise.
+       * vmsdbgout.c: Likewise.
+
+2001-12-28  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md: Fix formatting.
+
+2001-12-28  Geoff Keating  <geoffk@redhat.com>
+
+       * varasm.c (record_constant_1): Correct parameter to recursive
+       call in default case.
+
+2001-12-28  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT,
+       ASM_OUTPUT_DWARF_PCREL): Define.
+       * config/sparc/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+       * configure.in (HAVE_AS_SPARC_UA_PCREL): Check whether as supports
+       .uaword %r_disp32() and linker handles it correctly.
+       * configure, config.in: Rebuilt.
+
+2001-12-28  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (store_init_value): If initializing object with array
+       type of unknown size by a compound literal, set object's size from
+       compound literal size.
+       * doc/extend.texi (Compound Literals): Adjust documentation.
+
+2001-12-28  Richard Henderson  <rth@redhat.com>
+
+       * real.c (etoe113, toe113): Ifndef INTEL_EXTENDED_IEEE_FORMAT.
+       (endian): Clear word 3 for INTEL_EXTENDED_IEEE_FORMAT.
+       (etartdouble): Invoke etoe64 for INTEL_EXTENDED_IEEE_FORMAT.
+       * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Don't special case
+       INTEL_EXTENDED_IEEE_FORMAT.
+
+2001-12-27  Geoff Keating  <geoffk@redhat.com>
+
+       * combine.c (try_combine): Mask off sign bits when combining
+       stores to the low and high parts of a two-word value.
+
+       * expr.c (expand_expr): Don't mark memory for non-constants as
+       constant.
+
+Thu Dec 27 20:39:55 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * integrate.c (copy_rtx_and_substitute, case MEM): If inlining
+       and not for LHS, clear RTX_UNCHANGING_P.
+
+2001-12-28  Philipp Thomas  <pthomas@suse.de>
+
+       * cppfiles.c (stack_include_file): Don't translate <stdin>.
+
+2001-12-27  Roger Sayle <roger@eyesopen.com>
+
+       * builtins.c (expand_builtin_memcmp): Optimize memcmp built-in
+       when all arguments are known constant.  Fixes PR opt/3508.
+
+2001-12-27  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (two anonymous patterns): Remove.
+
+2001-12-27  Richard Henderson  <rth@redhat.com>
+
+       * haifa-sched.c (reemit_other_notes): New.
+       (schedule_block): Use it.
+       * sched-ebb.c (schedule_ebbs): Call remove_unnecessary_notes.
+       * sched-rgn.c (schedule_insns): Likewise.
+       * cfglayout.c (remove_scope_notes): Handle removing note at
+       the end of the insn chain.
+       * function.c (debug_find_var_in_block_tree): New.
+
+2001-12-27  Alan Modra  <amodra@bigpond.net.au>
+           David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Simplify.
+
+2001-12-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * toplev.c (independent_decode_option): Re-add -aux-info option
+       handling.
+
+Thu Dec 27 09:50:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * integrate.c (copy_insn_notes): Don't adjust REG_EH_REGION note
+       if special value.
+
+2001-12-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * collect2.c (is_ctor_dtor): Const-ify.
+       * m88k-protos.h (output_file_start): Likewise.
+       * m88k.c (m88k_lang_independent_options, output_options,
+       output_file_start): Likewise.
+       * fix-header.c (files_to_ignore, std_include_entry, include_entry,
+       std_include_table, main): Likewise.
+       * protoize.c (longopts): Likewise.
+       * regclass.c (int_reg_class_contents): Likewise.
+       * toplev.c (dump_file, f_options, W_options): Make static.
+       (lang_independent_options, f_options, W_options): Const-ify.
+       * tree-dump.c (dump_file_info): Likewise.
+       * unroll.c (_factor): Make static.
+
+Wed Dec 26 17:55:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/alpha/alpha.c (alpha_align_insns): Remove warning.
+
+       * config/sparc/sparc.md (call struct patterns): Show starting
+       at two words long.
+
+2001-12-26  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add mcpu=405.
+       * sysv4.h (CPP_SYSV_SPEC, CPP_OS_VXWORKS_SPEC): Add mcpu=405.
+
+2001-12-26  DJ Delorie  <dj@redhat.com>
+
+       * function.c (expand_main_function): Make sure stack adjustments
+       happen before sjlj exception setup.
+
+2001-12-26  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.md (indirect_jump): Prefer CTR over LR.
+       * xcoff.h (ASM_DECLARE_FUNCTION_NAME): Handle weak function.
+
+Tue Dec 25 12:04:47 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * dwarf2out.c: Reformatting and minor code rearrangement.
+
+2001-12-24  Douglas B. Rupp (rupp@gnat.com)
+
+       * configure.in (quoted_stage_prefix_set_by_configure): Generate.
+       * configure: Regenerated.
+       * Makefile.in (SUBDIR_FLAGS_TO_PASS): Use
+       quoted_stage_prefix_set_by_configure.
+
+Mon Dec 24 10:24:59 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * rtl.h (in_expr_list_p): New declaration.
+       * rtlanal.c (in_expr_list_p): New function.
+       * cfgcleanup.c: Reformatting and minor code rearrangement.
+       * cfglayout.c, cfgloop.c, cfgrtl.c: Likewise.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
+       PR c/5163:
+       * c-decl.c (duplicate_decls): As needed, set DECL_INLINE when
+       we have a function body associated.  Minor cleanups.
+       (grokdeclarator): Do not set DECL_INLINE without a function body.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
+       * stmt.c (resolve_operand_names): Handle operand modifiers.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
+       * stmt.c (parse_input_constraint): Break out from ...
+       (expand_asm_operands): ... here.  Loop over the operands twice,
+       the first time only calling mark_addressable.  Correct and simplify
+       the conditions for spilling an output operand to memory.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (call_operand) [OSF]: Disallow virtual regs.
+
+       * config/alpha/alpha.md (UNSPEC_SIBCALL): New.
+       (sibcall, sibcall_value, sibcall_osf_1_er, sibcall_osf_1): Use it.
+       (sibcall_value_osf_1_er, sibcall_value_osf_1): Likewise.
+
+2001-12-23  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-typeck.c (c_start_case): Don't strip conversions from the
+       controlling expression.  Partially fixes PR c/2454.
+
+2001-12-23  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * Makefile.in (USER_H): Remove proto.h.
+       * config.gcc (c*-convex-*): Set extra_headers=proto.h.
+
+2001-12-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * arc.c (arc_hard_regno_mode_ok): Const-ify.
+       * arc.h (arc_hard_regno_mode_ok): Likewise.
+       * i386.c (x86_64_reg_class_name): Make static.
+       * m68k.c (regno_reg_class): Const-ify.
+       * m68k.h (regno_reg_class): Likewise.
+       * mcore.c (reg_class_from_letter): Likewise.
+       * mcore.h (reg_class_from_letter): Likewise.
+       * sh.c (reg_class_from_letter, ashiftrt_insns, shift_insns,
+       ext_shift_insns, ext_shift_amounts): Likewise.
+       * sh.h (reg_class_from_letter): Likewise.
+       * sparc.c (hard_regno_mode_classes, hard_32bit_mode_classes,
+       hard_64bit_mode_classes): Likewise.
+       * sparc.h (hard_regno_mode_classes): Likewise.
+
+       * gcc.c (modify_target): Make static.
+       * gengenrtl.c (defs, formats): Likewise.
+       * reload1.c (elim_table_1, init_elim_table): Const-ify.
+       * tradcpp.c (directive, directive_table, handle_directive,
+       skip_if_group, run_directive): Likewise.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
+       * calls.c (expand_call): Don't turn off ECF_LIBCALL_BLOCK for
+       an invalid result register; do end the sequence properly.
+       (emit_library_call_value_1): Likewise.
+
+2001-12-22  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (rs6000_builtins): Add vsldoi variants.
+
+       * config/rs6000/rs6000.md ("altivec_vsldoi_*"): Same.
+
+       * config/rs6000/rs6000.c: Clean up some spacing and indentation.
+       (altivec_init_builtins): Add tree types for builtins with 4 bit
+       literals.
+       (bdesc_3arg): Add vsldoi variants.
+
+2001-12-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * 1750a.h (datalbl, jmplbl): Declare array size explicitly.
+       * a29k.h (a29k_debug_reg_map): Likewise.
+       * arc.h (arc_regno_reg_class): Likewise.
+       * c4x-protos.h (c4x_regclass_map, c4x_caller_save_map): Likewise.
+       * convex.h (regno_reg_class, reg_class_from_letter): Likewise.
+       * d30v.h (regno_reg_class, reg_class_from_letter): Likewise.
+       * i386.h (regclass_map): Likewise.
+       * m32r.h (m32r_hard_regno_mode_ok, m32r_punct_chars): Likewise.
+       * mcore.h (regno_reg_class): Likewise.
+       * mips.h (mips_print_operand_punct, mips_char_to_class):
+       Likewise.
+       * ns32k.h (regclass_map): Likewise.
+       * pj.h (pj_debugreg_renumber_vec): Likewise.
+       * s390.h (regclass_map): Likewise.
+       * sh.h (regno_reg_class): Likewise.
+       * sparc.h (sparc_regno_reg_class): Likewise.
+
+       * hard-reg-set.h (reg_class_contents): Likewise.
+       * machmode.h (class_narrowest_mode): Likewise.
+
+2001-12-22  David Edelsohn  <edelsohn@gnu.org>
+
+       * loop.c (scan_loop, move_movables, count_one_set): Do not
+       overlook hard registers when computing statistics.
+
+Sun Dec 23 00:49:37 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * calls.c (ECF_LIBCALL_BLOCK): New constant.
+       (emit_call_1, initialize_argument_information,
+       precompute_arguments, expand_call,
+       emit_library_call_value_1): Use ECF_LIBCALL_BLOCK
+       instead of ECF_PURE | ECF_CONST. Honnor LCT_CONST/LCT_PURE.
+
+2001-12-22  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * config.gcc (extra_headers): Move settings to math-68881.h and
+       ppc-asm.h to common code for CPU types.  Use math-68881.h on all
+       m68k targets.
+       (header_files): Remove unused setting.
+
+2001-12-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * elxsi.c: Include "hard-reg-set.h" and/or don't declare
+       `call_used_regs' explicitly.
+       * i860.c: Likewise.
+       * m68k.c: Likewise.
+       * ns32k.c: Likewise.
+       * pa.c: Likewise.
+       * vax.c: Likewise.
+       * we32k.c: Likewise.
+
+Fri Dec 21 23:30:14 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (TARGET_CPU_DEFAULT_pentium_mmx): New.
+       (TARGET_CPU_DEFAULT_*): Renumber.
+
+Sat Dec 22 12:20:20 EST 2001  John Wehle  (john@feith.com)
+
+       * rtl.h (subreg_lsb): Declare.
+       * rtlanal.c (subreg_lsb): Implement.
+
+Sat Dec 22 08:59:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * predict.c: Reformatting and minor cleanups.
+       * cfg.c, cfganal.c, cfgbuild.c: Likewise.
+
+       * expr.c (expand_expr, case ADDR_EXPR): Handling taking address of
+       SAVE_EXPR.
+       * function.c (gen_mem_addressof): Add missing tests for SAVE_EXPR.
+       (put_addressof_into_stack): Clarify code in setting of used_p.
+
+       * calls.c (flags_from_decl_or_type): Move ECF_SP_DEPRESSED here.
+       (expand_call): Delete from here.
+       Do pending stack adjustments if ECF_SP_DEPRESSED.
+
+       * dwarf2out.c (save_rtx): Deleted.
+       (mem_loc_descriptor): Do equivalent operation.
+       (add_const_value_attribute, case CONST): Likewise.
+       (add_name_and_src_coords_attributes): Likewise.
+
+2001-12-21  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h: Fix comment formatting.
+
+Fri Dec 21 17:30:15 2001  Jeffrey A Law  (law@redhat.com)
+
+       * pa.h (CPP_SPEC): If not in ANSI mode, define _INCLUDE_LONGLONG.
+       (CPLUSPLUS_CPP_SPEC): Define _INCLUDE_LONGLONG.
+
+2001-12-21  Robert Lipe  <robertlipe@usa.net>
+
+        * system.h (PREFETCH): Explictly undefine.
+
+2001-12-21  Richard Henderson  <rth@redhat.com>
+
+       * c-parse.in (SAVE_WARN_FLAGS): Save warn_traditional.
+       (RESTORE_WARN_FLAGS): Restore it.
+       (extension): Zero warn_traditional.
+
+2001-12-21  Kazu Hirata  <kazu@hxi.com>
+
+       * doc/passes.texi: Fix a typo.
+
+2001-12-21  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h: Fix a comment typo.
+
+2001-12-21  Jakub Jelinek  <jakub@redhat.com>
+
+       * combine.c (nonzero_bits): If using reg_nonzero_bits,
+       we don't know anything about bits outside of X mode.
+       (num_sign_bit_copies): Likewise.
+
+2001-12-21  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.md (prefetch): Use 'a' operand code.
+
+2001-12-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * aclocal.m4 (gcc_AC_PROG_GNAT): Run prospective ada drivers in
+       subshells.
+       * configure.in: Likewise for perl Pod::Man.
+
+       * configure: Regenerated.
+
+2001-12-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtin-attrs.def (__builtin_printf_unlocked,
+       __builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked):
+       Mark with the __printf__ attribute.
+
+       * builtins.c (expand_builtin_fputs): Add an `unlocked' parameter
+       and set the replacement function depending on it.
+       (expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing.
+       Handle BUILT_IN_*_UNLOCKED when optimizing.
+
+       * builtins.def (DEF_EXT_FALLBACK_BUILTIN,
+       DEF_EXT_FRONT_END_LIB_BUILTIN): New macros.
+       Declare the "unlocked" stdio functions.
+
+       * c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf):
+       Add an `unlocked' parameter and set the replacement function
+       depending on it.
+       (c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and
+       BUILT_IN_FPRINTF_UNLOCKED.
+
+       * doc/extend.texi (printf_unlocked, fprintf_unlocked,
+       fputs_unlocked): Document.
+
+2001-12-20  Josef Zlomek  <zlomek@matfyz.cz>
+
+       * cfgloop.c (flow_loops_find): Use the information of the depth
+       first search order of the CFG correctly when finding natural loops.
+
+2001-12-20  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (prologue_mcount): Update for explicit relocs.
+
+2001-12-20  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (call_operand) [OSF]: Accept pseudos.
+       * config/alpha/alpha.md (call_osf, call_value_osf): Don't force
+       operand into $27.
+
+2001-12-20  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * configure.in (all_headers, all_lib2funcs): Remove.
+       * configure: Regenerate.
+       * Makefile.in (LANG_EXTRA_HEADERS): Remove.
+       (USER_H): Don't include $(LANG_EXTRA_HEADERS).
+       * config/alpha/t-interix (USER_H): Don't include
+       $(LANG_EXTRA_HEADERS).
+       * config/i386/t-interix: Likewise.
+       * config/t-openbsd: Likewise.
+
+2001-12-20  Andreas Jaeger  <aj@suse.de>
+
+       * libgcc2.c (__bb_exit_func): Remove unused variable.
+       (num_digits): Remove unused function.
+
+2001-12-20 Alan Shieh <ashieh@hkn.eecs.berkeley.edu>
+
+       * config/arm/arm.c (arm_output_epilogue): Changed IP restore
+       to use ldmfd instead of ldmea.
+       * config/arm/arm.c (arm_compute_initial_elimination_offset):
+       Modified to reflect behavior of arm_expand_prologue when generating
+       interrupt handlers
+
+2001-12-20  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.c (arm_compute_save_reg0_reg12_mask):  New
+       function. Compute which of registers r0 through r12 should be
+       saved onto the stack during a function's prologue.
+       (arm_compute_save_reg_mask): Use
+       arm_compute_save_reg0_reg12_mask.
+       (arm_compute_initial_elimination_offset): Use
+       arm_compute_save_reg0_reg12_mask.
+
+       (arm_expand_prologue): Do not mark as save of the IP register
+       for an interrupt handler as being part of the frame creation
+       code.
+
+2001-12-20  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_real): Use REAL_VALUE_TO_x and assemble_integer
+       to emit floating point values.
+       (assemble_real_1): Remove.
+
+       * 1750a/1750a.c (real_value_to_target_single): New.
+       (real_value_to_target_double): New.
+       * 1750a/1750a.h (TARGET_FLOAT_FORMAT): New.
+       (REAL_VALUE_TO_TARGET_SINGLE): New.
+       (REAL_VALUE_TO_TARGET_DOUBLE): New.
+       * 1750a/1750a-protos.h: Update.
+
+       * 1750a/1750a.h, a29k/a29k.h, alpha/alpha.h, alpha/unicosmk.h,
+       alpha/vms.h, arc/arc.h, arm/aof.h, arm/aout.h, avr/avr.c,
+       avr/avr.h, c4x/c4x.h, clipper/clix.h, convex/convex.h, cris/cris.h,
+       d30v/d30v.h, dsp16xx/dsp16xx.c, dsp16xx/dsp16xx.h, elxsi/elxsi.h,
+       fr30/fr30.h, h8300/h8300.h, i370/i370.h, i386/i386.h, i386/i386elf.h,
+       i386/next.h, i386/ptx4-i.h, i386/sysv4.h, i860/fx2800.h, i860/i860.h,
+       i860/paragon.h, i860/sysv4.h, i960/i960-protos.h, i960/i960.c,
+       i960/i960.h, ia64/ia64.h, m32r/m32r.h, m68hc11/m68hc11.c,
+       m68hc11/m68hc11.h, m68k/3b1.h, m68k/altos3068.h, m68k/crds.h,
+       m68k/dpx2.h, m68k/hp320.h, m68k/m68k.h, m68k/mot3300.h, m68k/news.h,
+       m68k/next.h, m68k/next21.h, m68k/sgs.h, m68k/sun2o4.h, m68k/sun3.h,
+       m68k/tower-as.h, m88k/m88k.h, mcore/mcore.h, mips/mips-protos.h,
+       mips/mips.c, mips/mips.h, mmix/mmix-protos.h, mmix/mmix.c,
+       mmix/mmix.h, mn10200/mn10200.h, mn10300/mn10300.h, ns32k/encore.h,
+       ns32k/ns32k.h, pa/long_double.h, pa/pa.h, pdp11/pdp11.h, pj/pj.h,
+       romp/romp.c, romp/romp.h, rs6000/rs6000.h, s390/linux.h, sh/sh.h,
+       sparc/sparc.h, stormy16/stormy16.h, v850/v850.h, vax/vax.h,
+       vax/vaxv.h, we32k/we32k.h, doc/tm.texi: Remove ASM_OUTPUT_FLOAT,
+       ASM_OUTPUT_DOUBLE, ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_BYTE_FLOAT,
+       ASM_OUTPUT_SHORT_FLOAT, ASM_OUTPUT_THREE_QUARTER_FLOAT, and all
+       associated support routines.
+
+Thu Dec 20 16:58:46 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cfgcleanup.c (flow_find_cross_jump): Avoid incrementing of ninsns
+       if one of block does not contain jump.
+       (outgoing_edge_math): Revert last path; require edges to be noncomplex
+       nonfake to match single exit edge; require conditional jumps to not
+       have side effect.
+
+2001-12-20  Turly O'Connor  <turly@apple.com>
+
+       * tm.texi (ASM_OUTPUT_OPERAND): Change documentation references to
+       "recog_operand" to "recog_data.operand".
+       * rtl.def: Likewise.
+
+2001-12-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * simplify-rtx.c (simplifi_binary_operation) [DIV]: If DIV has
+       narrower mode than op0, only return the bits in DIV's mode.
+
+2001-12-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * combine.c (distribute_notes): Avoid adding REG_LABEL notes
+       to JUMP_INSNs with JUMP_LABEL.
+
+2001-12-19  Aldy Hernandez  <aldyh@redhat.com>
+
+       * doc/install.texi: Add documentation for --enable-altivec.
+
+       * config.gcc: Add support for --enable-altivec.
+
+       * config/rs6000/altivec.h: New.
+
+       * config/rs6000/linuxaltivec.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
+       Define.  Fix typo.
+
+       * config/rs6000/rs6000.c (vrsave_operation): Change unspec to
+       unspec_volatile.
+       (generate_set_vrsave): Generate the unspec here instead of calling
+       an .md pattern.
+       (generate_set_vrsave): Use gen_rtvec.
+       (rs6000_emit_prologue): Replace call to gen_get_vrsave with
+       gen_rtx_SET.
+
+       * config/rs6000/rs6000.md ("*movsi_internal1"): Add constraints
+       for setting special registers.
+       ("*set_vrsave_internal"): Use unspec_volatile.
+       ("set_vrsave"): Remove.
+       ("get_vrsave"): Remove.
+
+       * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add vrsave to
+       SPECIAL_REGS.
+
+2001-12-19  Bruce Korb  <bkorb@gnu.org>
+
+       * gcc/fixinc/inclhack.def:  Remove all the fix suppression "fixes".
+       (strict_ansi_not_ctd):  accommodate __STDC__ == 0 tests in UW 2.1.2
+       * gcc/fixinc/mkfixinc.sh(i?86-*-sysv4.2uw2*): now uses fixincl program
+       * gcc/fixinc/base/...: adjust for changes in fixes
+
+2001-12-20  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * po/gcc.pot: Regenerate.
+
+       * configure.in (all_diff_excludes, diff_excludes): Remove.
+       * configure: Regenerate.
+       * Makefile.in (LANG_DIFF_EXCLUDES): Remove.
+       * objc/config-lang.in (diff_excludes): Remove.
+
+2001-12-19  Dan Nicolaescu  <dann@ics.uci.edu>
+
+       * config/sparc/sparc.md (ldd peephole2s): For load peepholes pass
+       the destination register as a parameter to mems_ok_for_ldd_peep.
+       For store peepholes pass NULL_RTX.  Move all volatile checks ...
+       * config/sparc/sparc.c (mems_ok_for_ldd_peep): ... here.  Add a
+       register parameter, check it's not the same as base for an address.
+       * config/sparc/sparc-protos.h (mems_ok_for_ldd_peep): Update.
+
+2001-12-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/ia64/ia64.c (ia64_single_set): Return first set for
+       prologue_allocate_stack and epilogue_deallocate_stack instructions.
+
+2001-12-19  Dale Johannesen  <dalej@apple.com>
+
+        * config/rs6000/rs6000.h: LEGITIMIZE_RELOAD_ADDRESS:
+        redefine in terms of rs6000_legitimize_reload_address().
+        * config/rs6000/rs6000-protos.h: Add this function.
+        * config/rs6000/rs6000.c: Add this function.  Includes
+        handling for Darwin FP constants.
+
+Wed Dec 19 11:01:21 2001  Jeffrey A Law  (law@redhat.com)
+
+       * config/pa/t-hpux-shlib: New file.
+       * config.gcc (hpux10, hpux11): Include t-hpux-shlib in tmake_file
+       for 32bit hpux10 & hpux11 configurations.
+
+2001-12-19  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/xscale-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Pass
+       -mno-fpu onto gas unless -mhard-float is specified.
+       (MULTILIB_DEFAULTS): Include msoft-float.
+
+       * config/arm/t-xscale-coff (EXTRA_MULTILIB_PARTS): Remove definition.
+
+       * config/arm/coff.h (SUPPORTS_INIT_PRIORITY): Define (to false).
+       * config/arm/elf.h (SUPPORTS_INIT_PRIORITY): Define (to true).
+
+Wed Dec 19 06:12:34 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * dwarf2out.c (add_name_and_src_coords_attributes): Fix VMS procedure
+       descriptor output.
+
+2001-12-18  Stan Shebs  <shebs@apple.com>
+
+       * rs6000.h (LOCAL_ALIGNMENT): Fix parens.
+
+Tue Dec 18 17:02:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (widen_memory_access): Only call compare_tree_int
+       on an INTEGER_CST.
+
+2001-12-18  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (rs6000_override_options): Only use DI ops when
+       TARGET_64BIT.  Fix typo.
+
+Tue Dec 18 16:39:46 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * att.h (ASM_FILE_START): Use asm_dialect.
+       * linux.h (ASM_FILE_START): Likewise.
+       * gas.h (ASM_FILE_START): Likewise.
+       * i386.c (ix86_debug_arg_string, ix86_debug_addr_string,
+       ix86_asm_string, ix86_asm_dialect): New.
+       (override_options): Set asm_dialect.
+       * i386.h (MASK_MIX_SSE_I387, MASK_INTEL_SYNTAX, MASK_DEBUG_ARG,
+       MASK_DEBUG_ADDR): Kill.
+       (MASK_64BIT, MASK_NO_RED_ZONE): renumber.
+       (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Use string.
+       (ASSEMBLER_DIALECT): Use asm_dialect.
+       (TARGET_SWITCHES): Undocument deprecated items; deprecate intel-syntax;
+       remove debug-addr and debug-arg.
+       (TARGET_OPTIONS): Add debug-arg, debug-addr, asm.
+       (asm_dialect): New enum.
+       (ix86_debug_arg_string, ix86_debug_addr_string,
+       ix86_asm_string, ix86_asm_dialect): Declare.
+       * invoke.texi (-mintel-syntax): Remove.
+       (-masm): Document.
+
+Tue Dec 18 16:37:42 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * libgcc2.c (__bb_exit_func): Kill -ax dumping code.
+
+2001-12-18  Jason Merrill  <jason@redhat.com>
+
+       C++ ABI change: destroy value arguments in caller.
+       * calls.c (initialize_argument_information): Pass the address of
+       the TARGET_EXPR temporary rather than storing it into another.
+
+Tue Dec 18 07:09:06 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Add /gnu/include.
+       * config/alpha/vms.h (STACK_CHECK_BUILTIN): #define 0 for VMS.
+
+2001-12-18  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/linux.h (PREFERRED_DEBUGGING_TYPE): Remove.
+       * config/sparc/linux.h (PREFERRED_DEBUGGING_TYPE): Remove.
+       * config/sparc/linux64.h (PREFERRED_DEBUGGING_TYPE): Remove.
+       (CC1_SPEC): Don't default to -gstabs+ if -m32.
+
+2001-12-05  David O'Brien  <obrien@FreeBSD.org>
+
+       * elfos.h (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
+
+2001-12-18  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * po/gcc.pot: Regenerate.
+
+2001-12-18  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c: Fix comment typos.
+       * config/h8300/h8300.h: Fix comment formatting.
+
+2001-12-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * machmode.h (mode_name, mode_class, mode_size, mode_unit_size,
+       mode_bitsize, mode_mask_array, mode_wider_mode): Set array size in
+       declaration to NUM_MACHINE_MODES.
+       (mode_size, mode_unit_size): Set array type to unsigned char.
+       (mode_bitsize): Set array type to unsigned short.
+
+       * rtl.c (rtx_length): Set array type to unsigned char.
+       (rtx_length, rtx_name, rtx_format, rtx_class): Set array size to
+       NUM_RTX_CODE.
+       (mode_bitsize): Set array type to unsigned short.
+       (mode_size, mode_unit_size): Set array type to unsigned char.
+       (mode_name, mode_class, mode_bitsize, mode_size, mode_unit_size,
+       mode_wider_mode, mode_mask_array): Set array size to
+       NUM_MACHINE_MODES.
+
+       * rtl.h (rtx_length, rtx_name, rtx_format, rtx_class): Set array
+       size in declaration to NUM_RTX_CODE.
+
+2001-12-17  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (unop): Encode RB as $sp.
+
+2001-12-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in: Update dependencies.
+       * c-lang.c: Remove unnecessary includes.
+       (deferred_fns, start_cdtor, finish_cdtor, defer_fn): Move to
+       c-objc-common.c.
+       (finish_file): Move body to c_common_finish_file.
+       * c-objc-common.c: Include varray.h and ggc.h.
+       (deferred_fns, start_cdtor, finish_cdtor, defer_fn,
+       expand_deferred_fns, c_objc_common_finish_file): Moved from c-lang.c.
+       (c_objc_common_init): Initialize deferred function array.
+       * c-tree.h (c_objc_common_finish_file,
+       static_ctors, static_dtors): New.
+objc:
+       * Make-lang.in: Update dependencies.
+       * objc/objc-act.c: Don't include varray.h.
+       (defer_fn, deferred_fns): Move to c-objc-common.c.
+       (objc_init): Similarly for initialization of it.
+       (finish_file): Move some to c-objc-common.c, use
+       c_objc_common_finish_file.
+
+2001-12-17  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c: Remove is_gpr_return_reg prototype.
+
+2001-12-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cppinternals.texi: Update.
+
+Mon Dec 17 14:21:21 2001  Jeffrey A Law  (law@redhat.com)
+
+       * expmed.c (emit_store_flag): Extract updated comparison code
+       from the return value of compare_from_rtx.
+       * expr.c (do_store_flag): Similarly.
+
+2001-12-17  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * caller-save.c (init_caller_save): Use MODE_BASE_REG_CLASS in
+       preference to BASE_REG_CLASS.
+       * recog.c (preprocess_constraints): Ditto.
+       * regclass.c (record_operand_costs, scan_one_insn, regclass,
+       record_reg_classes, record_address_regs): Ditto.
+       * regrename.c (scan_rtx_address, scan_rtx,
+       replace_oldest_value_addr, replace_oldest_value_mem): Ditto.
+       * reload.c (find_reloads, find_reloads_address,
+       find_reloads_address_1): Ditto.
+       * reload1.c (maybe_fix_stack_asms): Ditto.
+       * defaults.h (MODE_BASE_REG_CLASS): Provide default
+       definition.
+       * doc/tm.texi: Document MODE_BASE_REG_CLASS.
+
+       * config/arm/arm.h (MODE_BASE_REG_CLASS): Define.
+
+2001-12-17  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi2html: Use -I $SOURCEDIR.
+
+       Separate user and internals manuals.
+       * Makefile.in (info, $(docdir)/gcc.info, dvi, gcc.dvi): Update
+       dependencies.
+       ($(docdir)/gccint.info, gccint.dvi): New targets.
+       (maintainer-clean, install-info, uninstall): Update.
+       * doc/.cvsignore: Add gccint.info*.
+       * doc/include/gcc-common.texi: New file.
+       * doc/gcc.texi: Use it.  Adjust to be a user-only manual.  Put
+       copyright notice in a macro.  Don't include ISBN unless FSFPRINT
+       is defined.
+       * doc/gccint.texi: New file.
+       * doc/configfiles.texi, doc/extend.texi, doc/invoke.texi,
+       doc/md.texi, doc/passes.texi, doc/tm.texi, doc/trouble.texi:
+       Update for separate user and internals manuals.
+
+2001-12-17  Dale Johannesen  <dalej@apple.com>
+
+        * config/rs6000/rs6000.h:  CPP_CPU_SPEC: add mcpu=7400.
+        ASM_CPU_SPEC: Ditto.
+        RTX_COSTS: Fix timing info for 7450 multiply.
+        * config/rs6000/rs6000.md:  Fix timing info for 7450 imul.
+        Allow floats to be kept in int regs in movsf_low,
+        movsf_low_st (Darwin only)
+
+2001-12-17  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c (vrsave_operation): Recognize SETs in
+       parallel.
+       (is_gpr_return_reg): New.
+       (rs6000_emit_prologue): Call generate_set_vrsave with additional
+       argument.  Save only registers in the mask.  Attach
+       REG_FRAME_RELATED_EXPR note to altivec offsets.  Do not call
+       rs6000_frame_related when saving VRSAVE.
+       (rs6000_emit_epilogue): Call generate_set_vrsave with additional
+       argument.  Restore only registers in the mask.  Restore altivec
+       registers after we restore CR.
+       (generate_set_vrsave): New parameter epiloguep.  Generate unspec
+       sets instead of clobbers for call saved registers.
+       (altivec_frame_fixup): New.
+
+2001-12-17  Richard Henderson  <rth@redhat.com>
+
+       * config/sparc/sparc.md (movdi_zero): Remove.
+       (movdi_insn_sp32_v9): New.
+
+2001-12-17  Richard Henderson  <rth@redhat.com>
+
+       * cfgcleanup.c (outgoing_edges_match): Check for insn match with
+       a single outgoing edge too.
+
+Mon Dec 17 18:27:52 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cfgrtl.c (redirect_edge_and_branch):  Do simplify abnormal
+       edges resulting from computed jump
+
+Mon Dec 17 17:57:05 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * Makefile.in (cfgcleanup.o): Add cselib.h dependency.
+       * basic-block.h (CLEANUP_THREADING): New constant.
+       * cfgcleanup.c: Include cselib.h
+       (thread_jump, mark_effect): New functions.
+       (try_forward_edges): Do jump threading when asked for.
+       * jump.c (mark_modified_reg, save_regs, num_same_regs, modified_regs,
+       modified_mem, thread_jumps, rtx_equal_for-thread_p): Kill.
+       * rtl.h (thread_jumps, rtx_equal_for_thread_p): Kill.
+       * toplev.c (rest_of_compilation): Do now call thread_jumps; use
+       CLEANUP_THREAD instead.
+
+2001-12-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sparc/linux.h (STARTFILE_SPEC): Fix typo in last change.
+
+2001-12-17  Tom Rix  <trix@redhat.com>
+
+       * config/rs6000/rs6000.c (expand_block_move): Fix limits on max size
+       of bytes.
+
+2001-12-17  Richard Sandiford  <rsandifo@redhat.com>
+
+       * target.h (asm_out.byte_op, asm_out.aligned_op, asm_out.unaligned_op,
+       asm_out.integer): New fields.
+       * target-def.h (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_[HSDT]I_OP,
+       TARGET_ASM_UNALIGNED_[HSDT]I_OP, TARGET_ASM_INTEGER): New initializers.
+       (TARGET_ASM_ALIGNED_INT_OP, TARGET_ASM_UNALIGNED_INT_OP): Collect
+       the individual initializers together.
+       (TARGET_ASM_OUT): Add the new initializers.
+       * output.h (assemble_integer): Return bool.
+       (integer_asm_op): Declare.
+       (default_assemble_integer): Declare.
+       (assemble_aligned_integer): New interface to assemble_integer.
+       * varasm.c (integer_asm_op): New function to select pseudo-op.
+       (default_assemble_integer): Default implementation of asm_out.integer.
+       (assemble_integer): Use the new target hook.  Split objects into
+       words or bytes if the target hook fails.  Return bool.
+       * doc/tm.texi (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_OUTPUT_SHORT,
+       ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_OUTPUT_QUADRUPLE_INT,
+       UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+       UNALIGNED_DOUBLE_INT_ASM_OP): Undocument.
+       Document new target hooks.
+
+       * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Use integer_asm_op.
+       * dwarf2asm.c (unaligned_integer_asm_op): Remove.
+       (dw2_assemble_integer): New.
+       (dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
+       dw2_asm_output_pcrel, dw2_asm_output_addr, dw2_asm_output_addr_rtx,
+       dw2_asm_output_encoded_addr_rtx): Use it.
+       (dw2_asm_output_nstring): Use assemble_integer for the null terminator.
+       (dw2_asm_output_data_uleb128, dw2_asm_output_data_sleb128): Use
+       integer_asm_op to get the byte pseudo-op.  Use assemble_integer
+       if it returns NULL.
+       * dwarf2asm.h (dw2_assemble_integer): Declare.
+       * dwarfout.c: Include dwarf2asm.h.  Use dwarf2 functions for the
+       default implementation of most macros.
+       (output_unsigned_leb128): Use dw2_asm_output_data.
+       (output_signed_leb128, dwarfout_source_line): Likewise.
+       (output_reg_number): Use dw2_assemble_integer.
+       (generate_macinfo_entry): Separate the type and offset arguments.
+       Use assemble_integer to write the value.
+       (dwarfout_start_source_file): Update generate_macinfo_entry usage.
+       (dwarfout_end_source_file, dwarfout_define, dwarfout_undef): Likewise.
+       * final.c (output_addr_const): Don't put brackets round a subtracted
+       symbol value or ".".
+       * halfpic.c (half_pic_finish): Use assemble_aligned_integer.
+
+       * config/1750a/1750a.c (assemble_integer_1750a): New,
+       * config/alpha/alpha.h (literal_section): Avoid ASM_OUTPUT_INT.
+       * config/arc/arc.c (arc_assemble_integer): New.
+       * config/arc/arc.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+       * config/arm/arm.c (arm_poke_function_name): Likewise.
+       (arm_assemble_integer): New, extracted from...
+       * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): ...here, now removed.
+       (ARM_TRAMPOLINE_TEMPLATE, ARM_FUNCTION_PROFILER): Avoid ASM_OUTPUT_INT.
+       (ARM_FUNCTION_PROFILER): Likewise.
+       * config/avr/avr-protos.h (asm_output_byte): Remove.
+       (asm_output_char, asm_output_short): Remove.
+       * config/avr/avr.c (avr_assemble_integer): New.
+       (asm_output_byte, asm_output_char, asm_output_short): Remove.
+       * config/clipper/clipper.h (ASM_LONG): Remove.
+       * config/dsp16xx/dsp16xx-protos.h (asm_output_long): Remove.
+       * config/dsp16xx/dsp16xx.c (asm_output_long): Remove.
+       * config/elxsi/elxsi.c (elxsi_assemble_integer): New.
+       * config/i370/i370.c (i370_hlasm_assemble_integer): New.
+       * config/i370/i370.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT.
+       (ASM_BYTE, ASM_SHORT, ASM_LONG): Delete.
+       * config/i386/att.h, (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+       * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use
+       ASM_LONG instead of UNALIGNED_INT_ASM_OP.
+       * config/i386/sco5.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
+       (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+       * config/i386/sysv4.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use
+       ASM_LONG instead of UNALIGNED_INT_ASM_OP.
+       * config/i860/fx2800.h (ASM_FILE_END): Avoid ASM_LONG.
+       * config/i860/i860.c (i860_output_function_epilogue): Likewise.
+       * config/i860/i860.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+       (ASM_SHORT, ASM_LONG): Undefine.
+       * config/i860/paragon.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+       * config/i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
+       * config/i960/i960.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+       * config/ia64/ia64.c (ia64_assemble_integer): New.
+       * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use integer_asm_op.
+       (ASM_OUTPUT_DWARF_PCREL): Likewise.
+       * config/m68hc11/m68hc11.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+       ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_VEC_ELT): Avoid ASM_LONG.
+       (ASM_SHORT, ASM_LONG): Remove.
+       * config/m68k/m68k.h (INT_OP_GROUP): New macro.
+       (INT_OP_STANDARD, INT_OP_DOT_WORD, INT_OP_NO_DOT, INT_OP_DC): New
+       macros, the allowed values for INT_OP_GROUP.
+       * config/m68k/amix.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP
+       * config/m68k/atari.h (ASM_OUTPUT_ASCII): Likewise
+       * config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Likewise
+       * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove.
+       (INT_OP_GROUP): Define to INT_OP_NO_DOT.
+       * config/m68k/dpx2.h (ASM_LONG): Undefine.
+       (INT_OP_GROUP): Define to INT_OP_DC.
+       * config/m68k/dpx2g.h (ASM_LONG): Undefine.
+       * config/m68k/hp320.h (INT_OP_GROUP): Define to INT_OP_NO_DOT.
+       * config/m68k/lynx.h (ASM_LONG): Undefine.
+       * config/m68k/dpx2g.h (ASM_LONG): Undefine.
+       * config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+       * config/m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise.
+       (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_*.
+       * config/m68k/mot3300.h (INT_OP_GROUP): Define to INT_OP_STANDARD
+       for GAS and INT_OP_NO_DOT otherwise.
+       (ASM_CHAR, ASM_BYTE, ASM_SHORT, ASM_LONG): Remove.
+       (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+       ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid ASM_LONG.
+       (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+       * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove.
+       (INT_OP_GROUP): Define to INT_OP_STANDARD.
+       (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+       ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid LONG_ASM_OP.
+       (ASM_OUTPUT_ASCII): Avoid BYTE_ASM_OP.
+       * config/m68k/tower-as.h (ASM_LONG): Remove.
+       (INT_OP_GROUP): Define to INT_OP_NO_DOT.
+       * config/m88k/m88k.c (output_tdesc): Avoid ASM_LONG.
+       * config/m88k/m88k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+       (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid ASM_LONG.
+       * config/mips/iris5.h (TARGET_IRIX5): Define.
+       * config/mips/mips.c (mips_assemble_integer): New.
+       * config/mips/sni-svr4.h (ASM_LONG): Undefine.
+       * config/mmix/mmix-protos.h (mmix_asm_output_double_int): Remove.
+       * config/mmix/mmix.c (mmix_assemble_integer): New.
+       (mmix_asm_output_double_int): Remove.
+       (mmix_print_operand): Call mmix_output_octa directly.
+       * config/mmix/mmix.h (ASM_LONG): Remove.
+       * config/ns32k/ns32k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+       * config/pa/pa.c (pa_assemble_integer): New.
+       (pa_override_options): Only use aligned DI ops on 64-bit targets.
+       Only use the unaligned ops if TARGET_GAS.
+       * config/pdp11/pdp11.c (pdp11_assemble_integer): New.
+       * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT.
+       * config/pj/pj.h (ASM_LONG): Undefine.
+       * config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Undefine.
+       * config/rs6000/rs6000.c (rs6000_assemble_integer): New, mostly
+       extracted from ASM_OUTPUT_INT in sysv4.h.  Use in_text_section()
+       and in_toc_section() rather than the in_section variable.
+       (rs6000_override_options): Only use DI ops when TARGET_POWERPC64.
+       * config/rs6000/sysv4.h (TOC_SECTION_FUNCTION): Add in_toc_section().
+       (RELOCATABLE_NEEDS_FIXUP): Define.
+       * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Change space to tab.
+       * config/s390/linux.h (ASM_SHORT, ASM_LONG, ASM_QUAD): Remove.
+       (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Use integer_asm_op
+       to get the word directive.
+       (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+       * config/s390/s390.c (s390_assemble_integer): New.
+       * config/s390/s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Use
+       integer_asm_op to get the word directive.
+       * config/sparc/sol2.h (ASM_SHORT, ASM_LONG): Remove.
+       * config/sparc/sparc-protos.h (output_double_int): Remove.
+       * config/sparc/sparc.c (output_double_int): Move to...
+       (sparc_assemble_integer): ...this new function.
+       (sparc_override_options): Only use .uaxword if TARGET_ARCH64.
+       * config/sparc/sparc.h (ASM_SHORT, ASM_LONG, ASM_LONGLONG): Remove.
+       * config/sparc/sysv4.h (ASM_LONG): Remove.
+       (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid
+       ASM_LONG.
+       * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Use assemble_aligned_integer.
+       * config/we32k/we32k.h (TRAMPOLINE_TEMPLATE): Likewise.
+
+       * config/1750a/1750a.c, config/a29k/a29k.c, config/alpha/alpha.c,
+       config/arc/arc.c, config/arm/arm.c, config/avr/avr.c, config/c4x/c4x.c,
+       config/clipper/clipper.c, config/convex/convex.c, config/cris/cris.c,
+       config/d30v/d30v.c, config/dsp16xx/dsp16xx.c, config/elxsi/elxsi.c,
+       config/fr30/fr30.c, config/h8300/h8300.c, config/i370/i370.c,
+       config/i386/i386.c, config/i860/i860.c, config/i960/i960.c,
+       config/ia64/ia64.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
+       config/m68k/m68k.c, config/m88k/m88k.c, config/mips/mips.c,
+       config/mmix/mmix.c, config/mn10200/mn10200.c, config/mn10300/mn10300.c,
+       config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
+       config/sh/sh.c, config/sparc/sparc.c, config/stormy16/stormy16.c,
+       config/v850/v850.c, config/vax/vax.c, config/we32k/we32k.c
+       (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_HI_OP,
+       TARGET_ASM_ALIGNED_SI_OP, TARGET_ASM_ALIGNED_DI_OP,
+       TARGET_ASM_UNALIGNED_HI_OP, TARGET_ASM_UNALIGNED_SI_OP,
+       TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_INTEGER): Redefine as
+       appropriate.
+
+       * config/defaults.h, config/darwin.h, config/elfos.h, config/svr3.h,
+       config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
+       config/arc/arc.h, config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
+       config/clipper/clipper.h, config/convex/convex.h, config/cris/cris.h,
+       config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
+       config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
+       config/i386/bsd.h, config/i386/djgpp.h, config/i386/i386.h,
+       config/i386/sco5.h, config/i386/sol2.h, config/i386/sun386.h,
+       config/i860/i860.h, config/i960/i960.h, config/ia64/ia64.h,
+       config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/auxas.h,
+       config/m68k/dpx2.h, config/m68k/hp320.h, config/m68k/m68k.h,
+       config/m68k/mot3300.h, config/m68k/sgs.h, config/m68k/tower-as.h,
+       config/m88k/m88k.h, config/mcore/mcore-elf.h, config/mcore/mcore.h,
+       config/mips/iris5.h, config/mips/iris6.h, config/mips/mips.h,
+       config/mmix/mmix.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h
+       config/ns32k/encore.h, config/ns32k/ns32k.h, config/pa/pa-64.h,
+       config/pa/pa.h, config/pdp11/pdp11.h, config/pj/pj.h,
+       config/romp/romp.h, config/rs6000/linux64.h, config/rs6000/rs6000.h,
+       config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/linux.h,
+       config/sh/sh.h, config/sparc/linux64.h, config/sparc/sol2.h,
+       config/sparc/sp64-elf.h, config/sparc/sparc.h, config/sparc/sysv4.h,
+       config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
+       config/we32k/we32k.h (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_BYTE_OP,
+       ASM_BYTE, ASM_OUTPUT_SHORT, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT,
+       UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+       UNALIGNED_DOUBLE_INT_ASM_OP): Undefine, where defined.
+
+2001-12-17  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
+       (STACK_BOUNDARY): Remove definition.
+       (CPP_PREDEFINES): Define __POWERPC__.
+
+2001-12-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/c-tree.texi (Trees): Only refer to GCC.
+
+2001-12-17  Andreas Jaeger  <aj@suse.de>
+
+       * c-common.def: Fix typo in comment.
+
+2001-12-16  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (sparc64-*-freebsd*): Add target.
+       * config/sparc/freebsd.h: New file.
+       * config/sparc/sparc.h (LIB_SPEC, LINK_SPEC): Don't define.
+       * config/sparc/sunos4.h (LIB_SPEC, LINK_SPEC): Define.
+       * config/sparc/sysv4.h (CPP_PREDEFINES): Undefine before defining.
+
+2001-12-16  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_legitimize_address): Force both
+       PLUS operands into registers for altivec mode.
+
+2001-12-16  Aldy Hernandez  <aldyh@redhat.com>
+
+       * builtins.c (apply_args_size): Change regno to unsigned.
+
+2001-12-16  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): Change
+       ALTIVEC_ARG_MAX_REG to ALTIVEC_ARG_NUM_REG.
+
+2001-12-16  Zack Weinberg  <zack@codesourcery.com>
+
+       * c-typeck.c (error_init, pedwarn_init, warning_init): Call
+       gettext on argument before printing.
+
+       * fold-const.c (negate_expr): Always call fold on new
+       NEGATE_EXPR.
+
+2001-12-17  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.def (COMPOUND_LITERAL_EXPR): Contain a DECL_STMT, not
+       a DECL directly.
+       * c-common.h (COMPOUND_LITERAL_EXPR_DECL_STMT): New.
+       (COMPOUND_LITERAL_EXPR_DECL): Adjust definition.
+       * c-decl.c (build_compound_literal): Put the decl inside a
+       DECL_STMT.
+       * doc/c-tree.texi (COMPOUND_LITERAL_EXPR): Update documentation.
+       Fixes PR c/5105.
+
+2001-12-16  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config.gcc: Add powerpc-*-eabisimaltivec*.
+
+2001-12-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c, c-common.h (back_end_hook): Remove.
+       * c-lang.c (finish_file): Remove back_end_hook.
+
+Sun Dec 16 13:13:01 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (highest_pow2_factor, case INTEGER_CST): Fix error in
+       last change.
+
+2001-12-16  Richard Henderson  <rth@redhat.com>
+
+       * toplev.c (parse_options_and_default_flags): Don't enable
+       flag_cprop_registers at -O1.
+
+2001-12-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * avr.c (avr_simplify_comparision_p, adjust_insn_length,
+       mask_one_bit_p, output_reload_insisf): Don't use the 'U' suffix.
+       * avr.h (reg_class): Likewise.
+       * avr.md: Likewise.
+       * mcore.c (try_constant_tricks, mcore_byte_offset,
+       mcore_halfword_offset): Likewise.
+       * sh.c (shl_sext_kind, gen_block_redirect, split_branches): Likewise.
+       * v850.c (not_power_of_two_operand): Likewise.
+
+       * clipper/clix.h (ASM_OUTPUT_ASCII): Avoid signed/unsigned
+       warnings.
+       * convex.h (ASM_OUTPUT_ASCII): Likewise.
+       * i370.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/att.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/i386-interix.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/sco5.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/sun386.h (ASM_OUTPUT_ASCII): Likewise.
+       * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
+       * i860/bsd.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/3b1.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/amix.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/atari.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/crds.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/hp320.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/mot3300.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/sgs.h (ASM_OUTPUT_ASCII): Likewise.
+       * m68k/tower-as.h (ASM_OUTPUT_ASCII): Likewise.
+       * mips/bsd-5.h (ASM_OUTPUT_ASCII): Likewise.
+       * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
+       * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
+       * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
+       * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise.
+       * vax/vaxv.h (ASM_OUTPUT_ASCII): Likewise.
+       * we32k/we32k.h (ASM_OUTPUT_ASCII): Likewise.
+
+       * i386/uwin.h (MD_STARTFILE_PREFIX): Avoid redefinition warnings.
+       * interix.h (TARGET_MEM_FUNCTIONS): Likewise.
+       * psos.h (CPP_PREDEFINES): Likewise.
+       * rs6000/linux64.h (ROUND_TYPE_ALIGN): Likewise.
+       * rs6000/xcoff.h (RS6000_MCOUNT, RS6000_ITRUNC, RS6000_UITRUNC,
+       ASM_OUTPUT_EXTERNAL): Likewise.
+       * sparc/liteelf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO):
+       Likewise.
+       * sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): Likewise.
+       * sparc/sp86x-elf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO):
+       Likewise.
+       * sparc/sunos4.h (SUNOS4_SHARED_LIBRARIES): Likewise.
+
+       * c-lex.c (lex_number): Use ISXDIGIT/hex_value.
+       * vax/xm-vms.h (FILE_NAME_NONDIRECTORY): Use ISUPPER/TOLOWER.
+       * fold-const.c (real_hex_to_f): Use hex_value.
+       * real.c (asctoeg): Use hex_value & ISXDIGIT.
+       * toplev.c (toplev_main): Call hex_init.
+       * tradcpp.c (main): Call hex_init.
+
+       * nextstep-protos.h: New file.
+       * nextstep.c: Include "rtl.h", "output.h" & "tm_p.h".
+       * nextstep.h (INCLUDE_DEFAULTS): Delete LOCAL_INCLUDE_DIR and
+       STANDARD_INCLUDE_DIR from the CROSS_COMPILE clause.
+       (nextstep_asm_out_constructor, nextstep_asm_out_destructor,
+       handle_pragma): Move prototypes to nextstep-protos.h.
+       * config.gcc (i[34567]86-next-*, m68k-next-nextstep2*,
+       m68k-next-nextstep[34]*): Append nextstep-protos.h to tm_p_file.
+
+2001-12-16  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR other/3725
+       * configure.in: Add AC_SUBST(target_alias).
+       * configure: Regenerated.
+
+2001-12-15  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (sibcall_osf_1_er): New.
+       (sibcall_value_osf_1_er): New.
+
+2001-12-15  Dan Nicolaescu  <dann@ics.uci.edu>
+
+       * config/sparc/sparc.c (mems_ok_for_ldd_peep): Rename from
+       addrs_ok_for_ldd_peep_withmem; take MEMs as parameters, not
+       addrs; eliminate restriction of only using fp and sp as base
+       registers.
+       * config/sparc/sparc-protos.h: Update.
+       * config/sparc/sparc.md (movdi): Use TARGET_V9 not TARGET_ARCH64.
+       (*cmp_cc_set, *cmp_ccx_set64, *movdi_zero): New insns derived
+       from old define_peepholes.
+       Convert all the ldd/std peepholes to peephole2.
+
+2001-12-15  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * s390.md (prologue, epilogue, *return_si, *return_di): New.
+       s390.c (find_unused_clobbered_reg, s390_frame_info,
+       save_fpr, restore_fpr, s390_emit_prologue, s390_emit_epilogue): New.
+       s390-protos.h (s390_emit_prologue, s390_emit_epilogue): Declare.
+       s390.c (s390_arg_frame_offset): Use s390_frame_info.
+       (leaf_function_flag, cur_is_leaf_function,
+       save_fprs, restore_fprs, force_const_mem_late): Remove.
+       (s390_function_prologue, s390_function_epilogue): Mostly remove.
+       s390.md (lit): New.  Uses ...
+       s390.c (s390_output_constant_pool): ... this, so adapt and make global.
+       s390-protos.h (s390_output_constant_pool): Declare.
+       s390.md (load_multiple, store_multiple): Allow use after reload.
+       s390.c (load_multiple_operation, store_multiple_operation): Likewise.
+       s390.h (INCOMING_FRAME_SP_OFFSET): Define.
+       s390.h (CALL_REALLY_USED_REGISTERS): Define.
+       config/s390/linux64.h (CALL_USED_REGISTERS): Remove, now handled ...
+       s390.h (CONDITIONAL_REGISTER_USAGE): ... here.
+       s390.c (s390_sr_alias_set): New global variable, initialized ...
+       (override_options): ... here.  New.
+       s390-protos.h (override_options): Declare.
+       s390.h (OVERRIDE_OPTIONS): Call it.
+       s390.c (s390_function_profiler): New.
+       s390-protos.h (s390_function_profiler): Declare.
+       s390.h (FUNCTION_PROFILER): Call it.
+       s390.c (s390_profile): Remove.
+
+       * s390.c (reg_used_in_mem_p): PC reload counts as memory access.
+       (addr_generation_dependency_p): Consider literal pool register loads.
+       (s390_adjust_priority): Do not schedule load_multiple.
+       s390.md (attribute "type"): Define some additional types.
+       (function_unit "integer"): Adapt.
+       (many insns): Adapt "type" attribute setting.
+
+       * s390.c (general_s_operand, s_imm_operand): New.
+       (s_operand): Remove old definition, call general_s_operand instead.
+       s390-protos.h (s_imm_operand): Declare.
+       s390.c (base_n_index_p, r_or_s_operand, r_or_s_or_im8_operand,
+       r_or_x_or_im16_operand, r_or_im8_operand): Remove.
+       s390-protos.h (r_or_s_operand, r_or_s_or_im8_operand,
+       r_or_x_or_im16_operand, r_or_im8_operand): Likewise.
+       s390.h (PREDICATE_CODES): Add s_imm_operand, remove r_or_s*_operand.
+       s390.md (many insns): Rework insn predicates.
+
+       * s390.c (legitimate_pic_operand_p, legitimate_constant_p): Accept all
+       non-symbolic constants.  Reload will force them because of ...
+       (s390_preferred_reload_class): ... this.  New.
+       s390-protos.h (s390_preferred_reload_class): Declare.
+       s390.h (PREFERRED_RELOAD_CLASS): Call it.
+       s390.md (movdi, movsi, movdf, movsf, *reload_la_64 splitters,
+       *reload_la_31 splitters): Handle constants after reload.
+       (many insns): no longer force all constants immediately.
+       s390.c (legitimate_reload_constant_p): New helper routine.
+       s390-protos.h (legitimate_reload_constant_p): Declare.
+       s390.c (print_operand): Clean up CONST_INT case, add CONST_DOUBLE case.
+
+       * s390.h (FIRST_PSEUDO_REGISTER, FRAME_POINTER_REGNUM,
+       HARD_FRAME_POINTER_REGNUM, REGISTER_NAMES): Add virtual frame pointer.
+       (CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS): Update.
+       (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Likewise.
+       (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
+       (DWARF_FRAME_REGISTERS): Define.
+       s390.c (regclass_map): Add virtual frame pointer.
+       (legitimate_la_operand_p): Allow use of virtual frame pointer.
+       s390.md (*la_ccclobber, *addaddr_ccclobber): New.
+       (addaddr, addsi_64): Delete.
+
+       * s390.h (HARD_REGNO_MODE_OK): Allow SImode and DImode values in
+       floating point registers.
+       (CLASS_CANNOT_CHANGE_MODE, CLASS_CANNOT_CHANGE_MODE_P): Define.
+       (ADDR_FP_REGS, GENERAL_FP_REGS): New register classes.
+       (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
+
+       * s390.md (movti): Replace multi-insn output with splitters.
+       (movdi_31, movdf_31): Likewise.
+       (movti_ss, movdi_ss, movsi_ss, movdf_ss, movsf_ss): New.
+       (movdi_lhi, movdi_lli, movdi_larl, movsi_lhi, movsi_lli): New.
+       (movdi_64, movdi_31, movsi, movdf_64, movdf_31): Adapt.
+       (movdf_soft_64, movdf_soft_31, movsf_soft): Remove.
+       (movsf_64, movsf_31): Remove, replace by ...
+       (movsf): ... this.
+       (movqi_64): Use lhi instead of llill.
+       (*movstrictqi, *movstricthi): Don't use (strict_low_part (mem)).
+
+       * s390.md (extendsidi2, *extendsidi2, extendhidi2, *extendhidi2,
+       extendqidi2, extendhisi2, *extendhisi2, extendqisi2,
+       extendqihi2 and associated splitters): Reworked.
+       (zero_extendsidi2, zero_extendsidi2, *zero_extendsidi2,
+       zero_extendhidi2, *zero_extendhidi2, zero_extendqidi2,
+       zero_extendqidi2, *zero_extendqidi2, zero_extendhisi2,
+       *zero_extendhisi2_64, zero_extendhisi2_31, zero_extendqisi2,
+       *zero_extendqisi2_64, *zero_extendqisi2_mem_31,
+       zero_extendqisi2_reg_31, zero_extendqihi2, *zero_extendqisi2_64,
+       zero_extendqihi2, zero_extendqihi2_64, zero_extendqihi2_31,
+       and associated splitters): Likewise.
+       (*sethighqisi, *sethighhisi, *sethighqidi_64, *sethighqidi_31
+       and associated splitters): New.
+       (truncdisi2, truncdihi2, truncdiqi2, truncsihi2, do_truncsihi2,
+       *truncsihi2_64, truncsiqi2, trunchiqi2): Remove.
+       (ashlhi3, ashrhi3, lshrhi3, abshi3): Remove.
+       s390.h (PROMOTE_PROTOTYPES): Remove.
+       config/s390/linux64.h (PROMOTE_PROTOTYPES): Likewise.
+
+       * s390.md (muldi3): Delete, use instead ...
+       (mulsidi3): ... this.
+       (*muldi3_64): Rename to muldi3.
+       (mulsi_6432): Fix template.
+       (divdi3, moddi3): Delete, replace by ...
+       (divmoddi4): ... this.
+       (divmodtidi3): Fix template.
+       (divmodtisi3): New.
+       (udivdi3, umoddi3): Delete, replace by ...
+       (udivmoddi4): ... this.
+       (udivmodtidi3): Fix template.
+       (divsi3, modsi3): Delete, replace by ...
+       (divmodsi4): ... this.
+       (divmoddisi3): Fix template.
+       (udivsi3, umodsi3): Adapt.
+
+       * s390.md (anddi3): Remove SS alternative, use instead ...
+       (anddi3_ss, anddi3_ss_inv): ... these.
+       (anddi3_ni): New.
+       (andsi3*, andhi3*, andqi3*): Likewise.
+       (iordi3): Remove SS alternative, use instead ...
+       (iordi3_ss, iordi3_ss_inv): ... these.
+       (iordi3_oi): New.
+       (iorsi3*, iorhi3*, iorqi3*): Likewise.
+       (iordi3_cc, iordi3_cconly, iorsi3_cc, iorsi3_cconly): New.
+       (xordi3): Remove SS alternative, use instead ...
+       (xordi3_ss, xordi3_ss_inv): ... these.
+       (xordi3_oi): New.
+       (xorsi3*, xorhi3*, xorqi3*): Likewise.
+       (xordi3_cc, xordi3_cconly, xorsi3_cc, xorsi3_cconly): New.
+       (one_cmpldi2, one_cmplsi2, one_cmplhi2, one_cmplqi2):
+       Expand to XOR with -1.
+       (*one_cmpldi2, *one_cmplsi2, *one_cmplhi2): Remove.
+       (cmpdi_tm): Delete, replace by ...
+       (cmpdi_tm_reg, cmpdi_tm_mem): ... these.
+       (cmpsi_cct): Delete, replace by ...
+       (cmpsi_tm_reg, cmpsi_tm_mem): ... these.
+       (cmpdi_tm2, cmpsi_tm2): Improve.
+       (cmphi_tm_sub, cmpqi_tm_sub, cmpqi_tm2, cmpqi_tm): New.
+       s390.c (s390_single_hi, s390_extract_hi,
+       s390_single_qi, s390_extract_qi): New helper routines.
+       s390-protos.h (s390_single_hi, s390_extract_hi,
+       s390_single_qi, s390_extract_qi): Declare.
+       s390.c (tmxx_operand, const1_operand): Remove.
+       s390-protos.h (tmxx_operand, const1_operand): Likewise.
+       s390.h (PREDICATE_CODES): Likewise.
+
+       * s390.md (sqrtdf2, sqrtsf2): New.
+
+       * s390.h (CRT_CALL_STATIC_FUNCTION): Define.
+       (check_and_change_labels): Remove section-change special case.
+
+       * s390.h (RETURN_ADDR_RTX): Fix use of __builtin_return_address
+       in leaf functions.  Needs ...
+       (DYNAMIC_CHAIN_RTX):  ... this.  New.
+
+       * s390.c (emit_pic_move): Don't generate pseudos if no_new_pseudos.
+
+       * s390.md (movstrdix_64, movstrsix_31, movstrdi_64, movstrsi_31,
+       clrstrsi_64, clrstrsi_31, cmpstr_64, cmpstr_31): Do not clobber
+       input operands using a match_dup clause.
+       (movstrdi, movstrsi, clrstrdi, clrstrsi, cmpstrdi, cmpstrsi): Adapt.
+
+       * s390.md (floatdidf2, floatdisf2, floatsidf2, floatsidf2_ieee,
+       floatsisf2, floatsisf2_ieee): Add missing CC clobber.
+
+       * s390.md (floatsidf2_ibm): Use correct operand.
+
+       * s390.md (fixuns_truncdfdi2, fixuns_truncdfsi2, fix_truncdfsi2,
+       fixuns_truncsfdi2, fixuns_truncsfsi2, floatsidf2): Remove use of
+       non-portable constants.
+       s390.c (s390_gen_rtx_const_DI): New helper routine.
+       s390-protos.h (s390_gen_rtx_const_DI): Declare.
+
+       * s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Fix alignment.
+
+       * config/s390/linux.h (ASM_OUTPUT_SHORT, ASM_OUTPUT_CHAR,
+       ASM_OUTPUT_BYTE): Clean up assembly output.
+       (ASM_OUTPUT_SKIP, ASM_OUTPUT_ALIGN): Remove duplicate definitions.
+       (ASM_OUTPUT_ASCII): Remove.
+
+       * config/s390/t-linux (CRTSTUFF_T_CFLAGS_S): Define.
+
+2001-12-15  Zack Weinberg  <zack@codesourcery.com>
+
+       * unwind-dw2-fde-glibc.c: #define _Unwind_Find_FDE to itself
+       before including unwind-dw2-fde.c, if we are not using the
+       special code in this file.
+
+2001-12-15  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.h (TARGET_SWITCHES): Turn on
+       MASK_EXPLICIT_RELOCS if the assembler supports it.
+       * configure.in (HAVE_AS_EXPLICIT_RELOCS): New.
+       * configure, config.in: Rebuild.
+
+Sat Dec 15 17:53:03 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * calls.c (emit_call_1): If ECF_SP_DEPRESSED, pretend have adjusted
+       for rounded_stack_size.
+
+2001-12-15  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-typeck.c, config/i386/i386.h, config/mcore/mcore.h,
+       config/ns32k/ns32k.h, config/rs6000/sysv4.h, fold-const.c,
+       toplev.c, cppinit.c, cppmacro.c, gcc.c: Use "built-in" and
+       "bit-field" spellings in messages.
+       * po/gcc.pot: Regenerate.
+
+2001-12-15  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gcc.c, config/fr30/fr30.c, config/v850/v850-c.c, toplev.c: Use
+       American spelling in messages.
+       * po/gcc.pot: Regenerate.
+
+2001-12-15  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md: Adjust whitespacing.  Remove
+       constraints from expanders.  Replace \@ with @.
+
+2001-12-15  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm/unknown-elf.h (CPP_PREDEFINES): Add a suitable default.
+
+2001-12-15  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * regrename.c (copyprop_hardreg_forward): Do not keep register
+       value data live across abnormal call or eh egdes.
+
+Sat Dec 15 08:29:45 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (highest_pow2_factor, case INTEGER_CST): Return
+       BIGGEST_ALIGNMENT for 0.
+
+Sat Dec 15 14:13:03 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def (PRED_NORETURN): Make probabilities match reality.
+       (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL, PRED_ERROR_RETURN):
+       Likewise.
+
+2001-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+       * configure.in: Check for ld.
+       (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option.
+       * configure, config.in: Rebuilt.
+       * config.gcc: Add crtbeginT.o to extra_parts where needed.
+       * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc
+       frame unwinding on Linux.
+       * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde
+       frame unwinding.
+       * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
+       (LINK_EH_SPEC): Define.
+       * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
+       * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define.
+       * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't
+       iterate further if pc falls into current library, but fde was not
+       found.
+       * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static
+       if using glibc.
+       (LINK_EH_SPEC): Define.
+       * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64):
+       Use crtbeginT.o for -static.
+       (LINK_EH_SPEC): Define.
+       * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.
+       * Makefile.in (crtbeginT.o): Add rule.
+       * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh.
+       If neither -static-libgcc nor -shared-libgcc is passed and -shared,
+       use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not.
+       If none of the above switches are passed, use -lgcc -lgcc_eh.
+       (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec.
+       * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if
+       creating libgcc_s.so, put them into separate libgcc_eh.a instead.
+       * unwind-dw2-fde.c: Don't include any headers if this file
+       is included from other .c file.
+       * unwind-dw2-fde-glibc.c: New file.
+       * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define.
+       Use it instead of EH_FRAME_SECTION_NAME where appropriate.
+
+2001-12-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.c (expand_builtin_memcmp): Mark parameter with
+       ATTRIBUTE_UNUSED.
+       * cfgcleanup.c (insns_match_p): Likewise.
+       * regrename.c (mode_change_ok): Likewise.
+       * gcc.c (execute): Const-ify.
+
+2001-12-14  Aldy Hernandez  <aldyh@redhat.com>
+
+       * c-parse.in (typename): Do not split attributes.
+       Remove unsupported attributes warning.
+
+       * c-decl.c (groktypename): Apply attributes.
+
+2001-12-14  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (spill_restore_mem): Mark iterator
+       initialization as possibly dead.
+
+2001-12-14  Richard Henderson  <rth@redhat.com>
+
+       * regrename.c (mode_change_ok): New.
+       (find_oldest_value_reg): Use it.
+
+2001-12-14  Richard Henderson  <rth@redhat.com>
+
+       * regrename.c (struct value_data): Add max_value_regs.
+       (init_value_data): Initialize it.
+       (kill_value): Kill values that overlap the dying register.
+       (set_value_regno): New.
+       (kill_set_value, kill_autoinc_value, copy_value): Use it.
+       (copyprop_hardreg_forward_1): Kill earlyclobber operands
+       before looking at inputs.
+
+2001-12-14  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Handle
+       DECL_WEAK for function descriptors.
+       * config/rs6000/xcoff.h (HANDLE_PRAGMA_WEAK): Define if assembler
+       weak support present.
+       (ASM_WEAKEN_LABEL): Same.
+
+2001-12-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (anonymous pattern): Add a missing
+       mode.
+
+2001-12-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (h8300_adjust_insn_length): Fix a
+       comment typo.
+
+2001-12-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (h8300_handle_eightbit_data_attribute):
+       Remove the initialization requierment.
+       (h8300_handle_tiny_data_attribute): Likewise.
+
+2001-12-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (udivqi3): Remove.
+       (divqi3): Likewise.
+       (udivhi3): Likewise.
+       (divhi3): Likewise.
+       (umodqi3): Likewise.
+       (modqi3): Likewise.
+       (umodhi3): Likewise.
+       (modhi3): Likewise.
+       (udivmodqi3): New.
+       (divmodqi3): Likewise.
+       (udivmodhi3): Likewise.
+       (divmodhi3): Likewise.
+
+Sat Dec 15 01:39:12 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cfgcleanup.c (flow_find_cross_jump): Replace tests for note
+       by active_insn_p; count conditional jump as instruction.
+
+2001-12-14  DJ Delorie  <dj@redhat.com>
+           Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * config/i386/cygwin.h (I386_PE_STRIP_ENCODING): Handle '*'
+       at SYM_NAME[0] or SYM_NAME[3].
+       (STRIP_NAME_ENCODING): Don't check for leading '*'.
+
+2001-12-14  Ira Ruben  <ira@apple.com>
+
+       Add -### option (displays driver-generated commands without
+       executing and quotes all arguments).
+       * doc/invoke.texi: Add -###.
+       * gcc.c (verbose_only_flag) - New flag.
+       * (execute): If -### write quoted arguments and return.
+       * (display_help): Print meaning of -###.
+       * (process_command): Handle -###.
+
+2001-12-14  Ira Ruben  <ira@apple.com>
+
+       Fix to no allow -save-temps to clobber user's source file.
+       * gcc.c: Add static globals input_stat and input_stat_set.
+       (do_spec_1): For 'g', 'u', 'U' case with save_temps_flag
+       set, check that user's input file is not overwritten.
+       (set_input): Reset input_stat_set for each new file.
+
+Fri Dec 14 22:14:44 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_probability): Fix LOOP_EXIT heuristic.
+
+2001-12-14  Zack Weinberg  <zack@codesourcery.com>
+
+       * combine.c (record_dead_and_set_regs): Use
+       regs_invalidated_by_call.  Don't note stores for CALL_INSNs.
+
+2001-12-14  Roger Sayle <roger@eyesopen.com>
+
+       * builtins.def: Rename BUILT_IN_FSQRT to BUILT_IN_SQRT and
+       __builtin_fsqrt to __builtin_sqrt.
+
+       * builtins.c (expand_builtin_mathfn,expand_builtin): Same.
+       * doc/extend.texi: Simplify documentation to match patch.
+
+Fri Dec 14 21:23:54 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * config.gcc: Revamp target_cpu_default2 to strings;
+       support new x86 variants.
+       * i386.c (override_options): Default x86_cpu_string and x86_arch_string
+       properly; set prefetch_sse.
+       * i386.h (x86_prefetch_sse): Declare.
+       (TARGET_PREFETCH_SSE): New.
+       (CPP_CPU_DEFAULT_SPEC): Define according to the new macros.
+       (TARGET_CPU_DEFAULT_*): New.
+
+Thu Dec 13 21:57:13 CET 2001  Janis Johnson <janis187@us.ibm.com>
+                             Jan Hubicka  <jh@suse.cz>
+
+       * config/i386/i386.h (struct processor_costs): Add new members
+         prefetch_block and simultaneous_prefetches.
+         (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): New.
+       * config/i386/i386.c (processor_costs structs): Add values for
+         prefetch_block and simultaneous_prefetches.
+       * config/i386/i386.md (unspec values): Remove values for prefetch
+         operations, which now use the PREFETCH rtx code.
+         (prefetch_sse, prefetch_3dnow, prefetchw): Combine to use new
+         unified prefetch support.
+
+2001-12-14  Jason Merrill  <jason@redhat.com>
+
+       * diagnostic.c (sorry): Increment sorrycount before saving the
+       buffer state.
+
+Fri Dec 14 19:53:23 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (sqrt?f): Fix conditionals.
+
+Fri Dec 14 07:29:52 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config.gcc (alpha64-dec-*vms*): New case.
+       * config/alpha/t-vms64, config/alpha/vms-crt0-64.c: New files.
+       * config/alpha/vms-psxcrt0-64.c, config/alpha/vms64.h: Likewise.
+       * config/alpha/xm-vms64.h: Likewise.
+
+       * config/alpha/alpha.c (vms_attribute_table): Add new attributes.
+       (alpha_write_linkage): Test for null alpha_links.
+       (SECTION_VMS_GLOBAL, SECTION_VMS_INITIALIZE): New section attributes.
+       (vms_section_type_flags, vms_asm_named_section): Handle them.
+
+Fri Dec 14 12:05:14 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_fpmath, ix86_fpmath_string): New.
+       (override_option): Set ix86_fpmath.
+       * i386.h (MASK_MIX_SSE_I387): Remove.
+       (TARGET_SSE_MATH): New.
+       (TARGET_MIX_SSE_I387): Use ix86_fpmath.
+       (TARGET_SWITCHES): Remove "mix-sse-i387".
+       (fpmath_unit): New enum.
+       (ix86_fpmath, ix86_fpmath_string): Declare.
+       * i386.md (swapsf): Fix condition.
+       (add?f, sub?f, mul?f, div?f, sqrt?f, min?f): Use TARGET_SSE_MATH.
+       (fp_?f_*_nosse): New.
+       (fp_*): Use TARGET_SSE_MATH.
+       * invoke.texi (-mfpmath): Document.
+       (-msse2): Add.
+
+2001-12-14  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (output_die): Print the string in the comment for
+       a DW_FORM_strp.
+
+2001-12-14  Richard Earnshaw  <rearnsha@arm.com>
+
+       * netbsd.h (COLLECT_SHARED_INIT_FUNC)
+       (COLLECT_SHARD_FINI_FUNC): Remove redundant semicolon.
+       * doc/tm.texi (COLLECT_SHARED_INIT_FUNC)
+       (COLLECT_SHARD_FINI_FUNC): Use @code where appropriate.
+
+2001-12-13  Richard Henderson  <rth@redhat.com>
+
+       * regrename.c (kill_value_regno): Simplify chain removal.
+       (kill_value): Kill all of HARD_REGNO_NREGS.
+       (kill_set_value): Use kill_value not kill_value_regno.
+       (kill_autoinc_value): Likewise.
+       (copyprop_hardreg_forward): Don't collect refresh_blocks.
+       Call delete_noop_moves.
+
+2001-12-13  Aldy Hernandez  <aldyh@redhat.com>
+
+       * attribs.c (c_common_attribute_table): Swap decl_req and type_req
+       for the mode attribute.
+       (handle_mode_attribute): Handle types, not decls.
+
+2001-12-13  Jason Merrill  <jason@redhat.com>
+
+       * c-common.h (COMPOUND_STMT_BODY_BLOCK): New macro.
+
+2001-12-13  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.md (eh_set_lr_di): Change scratch
+       constraint to base register.
+       (eh_set_lr_si): Same.
+
+2001-12-13  Hans-Peter Nilsson  <hp@axis.com>
+
+       * expr.c (expand_expr, case ADDR_EXPR): Don't honor
+       flag_force_addr for modifier != EXPAND_CONST_ADDRESS,
+       modifier != EXPAND_INITIALIZER and modifier != EXPAND_SUM.
+
+Thu Dec 13 20:30:08 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (copy_blkmode_from_reg): Add missing braces to eliminate
+       warning and reformat comments.
+       (expand_assignment): Don't pass EXPAND_WRITE if LHS is component.
+       (highest_pow2_factor, case INTEGER_CST): Return BIGGEST_ALIGNMENT
+       if overflow.
+
+2001-12-12  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_override_options): Add
+       SUBSUBTARGET_OVERRIDE_OPTIONS.
+
+       * config/rs6000/eabialtivec.h: New file.
+
+       * config/rs6000/linuxaltivec.h: New file.
+
+       * config.gcc: Add powerpc-*-eabialtivec and
+       powerpc-*-linux-gnualtivec.
+
+2001-12-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * toplev.c (process_options, parse_options_and_default_flags):
+       Set flag_no_inline before the post_options hook.
+
+2001-12-13  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (adjust_address_1): Don't adjust address if adjust
+       is false.
+
+2001-12-13  Richard Earnshaw  <rearnsha@arm.com>
+
+       * collect2.c (COLLECT_SHARED_INIT_FUNC)
+       (COLLECT_SHARD_FINI_FUNC): Define default values.
+       (write_c_file_stat): Use them to call construtor and destructor
+       functions in shared libraries.
+       * doc/tm.texi (COLLECT_SHARED_INIT_FUNC)
+       (COLLECT_SHARD_FINI_FUNC): Document them.
+       * config/netbsd.h (COLLECT_SHARED_INIT_FUNC)
+       (COLLECT_SHARD_FINI_FUNC): Define.
+
+       * config/netbsd.h (LINK_SPEC): Don't pull in estart if creating a
+       shared library.  Pass -shared through to the linker.
+       * config/arm/netbsd.h (LINK_SPEC): Likewise.
+
+       * config/arm/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -fpic.
+       (SHLIB_EXT, SHLIB_NAME, SHLIB_SONAME, SHLIB_OBJS, SHLIB_LINK)
+       (SHLIB_INSTALL): Define.
+
+2001-12-13  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.c (legitimize_pic_address): Handle LABEL_REFs in substantially
+       the same way as we handle SYMBOL_REFS.
+
+Thu Dec 13 07:47:24 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * loop.c (remove_constant_addition): Fix prototype and whitespace.
+       (emit_prefetch_instructions): Remove warnings and whitespace
+       changes.
+
+Thu Dec 13 06:48:38 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/vms-cc.c (preprocess_args): Fix forward
+       declaration.
+
+Thu Dec 13 12:31:07 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_probability): Reorganize opcode heuristics.
+       * predict.def (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL,
+       PRED_FPOPCODE): New.
+
+       * i386.c (override_options): Recognize various CPU variants and set
+       SSE/MMX/3dNOW flags accordingly.
+       * i386.h (MASK_MMX_SET, MASK_SSE_SET, MASK_SSE2_SET, MASK_3DNOW_SET,
+       MASK_3DNOW_A_SET): New.
+       (MASK_ACCUMULATE_OUTGOING_ARGS_SET): New.
+       (MASK_NO_ACCUMULATE_OUTGOING_ARGS): Delete.
+       (MASK_*): Renumber.
+       (TARGET_FLAGS): Use new masks.
+       (CPP_CPU_SPECS): Recognize new CPU variants.
+       * invoke.texi (-mcpu): Update documentation.
+
+       * flags.h (flag_prefetch_loop_arrays): Declare.
+       * loop.h (LOOP_PREFETCH): Define new constant.
+       * loop.c (strength_reduce): Call emit_prefetch_instructions.
+       (MAX_PREFETCHES, PREFETCH_BLOCKS_BEFORE_LOOP_MAX,
+       PREFETCH_BLOCKS_BEFORE_LOOP_MIN, PREFETCH_BLOCKS_IN_LOOP_MIN): New
+       constants.
+       (check_store_data): New structure.
+       (check_store, emit_prefetch_instructions, rtx_equal_for_prefetch_p):
+       New functions.
+       * toplev.c: Include insn-flags.h.
+       (flag_prefetch_loop_arrays): New global variable.
+       (lang_independent_option): Add -fprefetch-loop-arrays.
+       (rest_of_compilation) Pass LOOP_PREFETCH when flag_prefetch_loop_arrays
+       is set.
+       * Makefile.in (toplev.c): Depend on insn-flags.h.
+       * invoke.texi (-fprefetch-loop-arrays): Document.
+
+       * predict.c (estimate_probability): Distribute the loop exit
+       probability according to number of exit edges.
+
+       * cfgcleanup.c (insns_match_p): Break out from ...;
+       (flow_find_cross_jump): ... here;
+       (outgoing_edges_match): Add parameter MODE; attempt to match everything
+       except for tablejumps.
+       (try_crossjump_to_edge): Accept complex edges.
+       (try_crossjump_bb): Likewise.
+
+2001-11-29  Corey Minyard <minyard@acm.org>
+
+       * recog.c (validate_replace_rtx_1): Use simplify_gen_binary
+       instead of plus_constant.
+       * simplify-rtx.c (neg_const_int): New.
+       (simplify_gen_binary, simplify_plus_minus): Use it.
+
+2001-12-12  Roger Sayle  <roger@eyesopen.com>
+
+       * builtins.c (expand_builtin_memset, expand_builtin_memcpy,
+       expand_builtin_strcpy): Additional arguments TARGET and MODE.
+       (expand_builtin_bzero, expand_builtin_strcpy,
+       expand_builtin_strncpy, expand_builtin_bzero): Pass additional
+       TARGET and MODE parameters to the above functions.
+       (expand_builtin_memset, expand_builtin_memcpy): Optimize the
+       case where the LEN parameter is constant zero.
+       (expand_builtin_memcmp): No longer conditional on
+       HAVE_cmpstrsi.  Take an additional mode parameter.  Optimize
+       the cases where len is either constant zero or one.
+       Optimize to call to memcpy, even if the memcpy isn't inlined.
+       (expand_builtin_strncpy): Optimize to call memcpy, even if the
+       memcpy isn't inlined.
+       (expand_builtin_strcmp, expand_builtin_strncmp): Always attempt
+       to optimize to a call to memcmp.
+       (expand_builtin): expand_builtin_memcmp can always be called,
+       and pass the required parameters to expand_builtin_memcmp,
+       expand_builtin_memset, expand_builtin_memcpy and
+       expand_builtin_strcpy.
+
+2001-12-12  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (arm-*-freebsd*): Add target.
+       * config/arm/freebsd.h: New file.
+       * config/arm/arm.h (CPP_PREDEFINES): Do not define.
+       (CPP_SPEC): #undef before defining.
+       (CPP_CPU_ARCH_SPEC): Add -Acpu=arm -Amachine=arm.
+       * config/arm/conix-elf.h (CPP_PREDEFINES): Remove -Acpu=arm
+       -Amachine=arm.
+       * config/arm/linux-elf.h: Likewise.
+       * config/arm/netbsd.h: Likewise.
+       * config/arm/riscix.h: Likewise.
+       * config/arm/riscix1-1.h: Likewise.
+       * config/arm/semiaof.h: Likewise.
+
+2001-12-12  Richard Henderson  <rth@redhat.com>
+
+       * regrename.c (copyprop_hardreg_forward): New optimization.
+       (kill_value_regno, kill_value, init_value_data, kill_clobbered_value,
+       kill_set_value, kill_autoinc_value, copy_value, find_oldest_value_reg,
+       replace_oldest_value_reg, replace_oldest_value_addr,
+       replace_oldest_value_mem, copyprop_hardreg_forward_1,
+       debug_value_data, validate_value_data): New.
+       * rtl.h (copyprop_hardreg_forward): Declare.
+       * toplev.c (flag_cprop_registers): New.
+       (f_options): Add -fcprop-registers
+       (rest_of_compilation): Invoke it.
+       (parse_options_and_default_flags): Set it at -O1.
+       * doc/invoke.texi: Document it.
+
+2001-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (dw_val_class): Add dw_val_class_range_list.
+       (DEBUG_RANGES_SECTION_LABEL): Define.
+       (ranges_section_label): Add.
+       (add_AT_range_list): New.
+       (print_die, sizeof_die, value_format): Handle dw_val_class_range_list.
+       (output_loc_list): Location expression length is always 2-byte.
+       (output_die): Handle dw_val_class_range_list.
+       (gen_lexical_block_die): Call add_AT_range_list.
+       (dwarf2out_init): Initialize ranges_section_label.
+       (dwarf2out_finish): Emit ranges_section_label.
+
+2001-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (digest_init): Allow initializing
+       static storage duration objects with compound literals.
+       * doc/extend.texi (Compound literals): Document the extension.
+
+2001-12-12  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (adjust_address_1): Always copy address to avoid
+       shared rtl.
+
+Wed Dec 12 07:37:52 2001  Olivier Hainque <hainque@act-europe.fr>
+
+       * stmt.c (expand_end_case): Do subtraction of lower bound as trees
+       to avoid overflow.
+
+Wed Dec 12 07:35:24 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * cppfiles.c (read_include_file): Set buffer size properly when
+       file is shorter than expected.
+
+Wed Dec 12 08:35:33 2001  Nicola Pero  <n.pero@mi.flashnet.it>
+
+       * objc/objc-act.c (encode_complete_bitfield): Fixed encoding
+       enumeral types - encode them using 'i'.
+
+2001-12-12  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * doc/extend.texi (Deprecated Features): Deprecate implicit
+       typename. Document that named return and initializer lists are now
+       removed.
+
+2001-12-11  Roger Sayle <roger@eyesopen.com>
+
+       * except.c (reachable_next_level): Handle ERT_UNKNOWN to avoid
+       compiler warning about enumeration values not being handled.
+
+2001-12-11  Momchil Velikov  <velco@fadata.bg>
+
+       * config/fp-bit.c (pack_d): Cast to ``fractype'' for long long
+       shifts.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.h (TARGET_FIXUP_EV5_PREFETCH): New.
+       * config/alpha/linux.h (TARGET_FIXUP_EV5_PREFETCH): New.
+       * config/alpha/alpha.md (prefetch): New.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (simplify_and_const_int): Simplify (AND (PLUS X Y) C)
+       if C has only low bits set and doesn't intersect with X or Y.
+
+Tue Dec 11 23:58:39 EST 2001  John Wehle  (john@feith.com)
+
+       * basic-block.h (flow_preorder_transversal_compute): Declare.
+       * cfganal.c (flow_preorder_transversal_compute): Implement.
+
+Tue Dec 11 23:54:27 EST 2001  John Wehle  (john@feith.com)
+
+       * cfganal.c (flow_depth_first_order_compute): Always
+       increment dfsnum.
+
+2001-11-30 Alan Matsuoka <alanm@redhat.com>
+
+       * combine.c (combine_simplify_rtx) : Can't simplify
+       cases that use mode class MODE_CC.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * expmed.c (expand_divmod): Ignore sdiv_pow2_cheap for modes in
+       which there is no divide expander.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * except.c (sjlj_find_directly_reachable_regions): Don't
+       consider RNL_BLOCKED a directly reachable region.
+       (sjlj_assign_call_site_values): Trust directly_reachable.
+       (sjlj_emit_dispatch_table): Likewise.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (divmodsi_internal_er): Split, so that
+       we represent the address load's dependency on the gp.
+       (divmoddi_internal_er): Likewise.
+       (divmodsi_internal_er_1, divmoddi_internal_er_1): New.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (widen_memory_access): New.
+       * expr.h (widen_memory_access): Declare it.
+       * config/alpha/alpha.c (get_aligned_mem): Use it.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (simplify_shift_const): Move SHIFT_COUNT_TRUNCATED
+       simplification above out of range check.
+
+2001-12-11  Dan Nicolaescu  <dann@ics.uci.edu>
+
+       * config/sparc/sparc.md (prefetch): New.
+
+2001-12-11  Aldy Hernandez  <aldyh@redhat.com>
+
+       * output.h (regno_uninitialized): Make argument unsigned.
+
+       * flow.c (regno_uninitialized): Make regno unsigned.
+
+2001-12-11  David O'Brien  <obrien@FreeBSD.org>
+
+       * elfos.h (ENDFILE_SPEC, STARTFILE_SPEC): Do not define.
+       * config/cris/cris.h (ENDFILE_SPEC): Define.
+       * config/i386/i386elf.h ((ENDFILE_SPEC, STARTFILE_SPEC): Define.
+       * config/pa/elf.h: Likewise.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * objc/objc-act.c (build_string_class_template): New.
+       (build_objc_string_object): Call it.
+
+2001-12-11  Steve Ellcey  <sje@cup.hp.com>
+
+       * doc/tm.texi (FUNCTION_ARG_REG_LITTLE_ENDIAN): New.
+       * defaults.h (FUNCTION_ARG_REG_LITTLE_ENDIAN): New.
+       * calls.c (store_unaligned_arguments_into_pseudos): Check
+       FUNCTION_ARG_REG_LITTLE_ENDIAN to see how structures
+       are passed/returned.
+       * expr.c (move_block_from_reg): Ditto.
+       (move_block_from_reg): Ditto.
+       (copy_blkmode_from_reg): Ditto.
+       * stmt.c (expand_return): Ditto.
+       * stor-layout.c (compute_record_mode): If
+       FUNCTION_ARG_REG_LITTLE_ENDIAN is set then check
+       MEMBER_TYPE_FORCES_BLK even if mode == VOIDmode.
+       * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Set to true
+       so that Structures of one field are still treated as structures.
+       (FUNCTION_ARG_REG_LITTLE_ENDIAN): New, set it to true.
+       (FUNCTION_ARG_PADDING): Set to ia64_hpux_function_arg_padding().
+       (PAD_VARARGS_DOWN): Modify from default to not pad structures down.
+       * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): New.
+       * config/ia64/ia64.c (ia64_hpux_function_arg_padding): New function
+       to special case handling of structure padding.
+
+2001-12-11  Daniel Berlin  <dan@cgsoftware.com>
+
+       * sched-rgn.c (CONST_BASED_ADDRESS_P): CONST_INT -> CONSTANT_P.
+       (may_trap_exp): Stores only are risk if they trap, too, not just
+       if code == MEM.
+
+2001-12-11  Aldy Hernandez  <aldyh@redhat.com>
+
+       * flow.c (find_regno_partial): Indent properly.  Add a default to
+       switch.
+
+2001-12-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c (combine_strings): Complain if concatenating
+       __FUNCTION__.
+       * c-parse.in (yylexname): Flag artificial strings.
+       * tree.h (TREE_ARTIFICIAL_STRING_P): New.
+doc:
+       * extend.texi: Update.
+
+2001-12-11  Aldy Hernandez  <aldyh@redhat.com>
+
+       * c-common.c (type_for_mode): Handle unsigned vectors.
+       (type_for_mode): Remove redundant calls to TYPE_MODE.
+
+       * tree.c (make_vector): New.
+       (build_common_tree_nodes_2): Use make_vector for vector types.
+       Add unsigned vector types.
+
+       * tree.h (tree_index): Add unsigned types for vectors.
+       (unsigned_V16QI_type_node): New.
+       (unsigned_V4SI_type_node): New.
+       (unsigned_V8QI_type_node): New.
+       (unsigned_V8HI_type_node): New.
+       (unsigned_V4HI_type_node): New.
+       (unsigned_V2SI_type_node): New.
+
+2001-12-11  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (finish_message_expr): Fix misplaced parens in a
+       test of class names.
+
+2001-12-11  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (m68020-*-elf*): Expand tm_file to include all needed
+       cpu configuration headers.
+       * config/h8300/elf.h: Include dbxelf.h.
+       * config/m68k/linux.h: Likewise.
+       * config/m68k/m68020-elf.h: Likewise.
+       * config/m68k/m68kv4.h: Likewise.
+       * config/sh/elf.h: Likewise.
+       * config/m68k/m68kemb.h: Add comment about the its purpose.
+
+2001-12-11  Richard Henderson  <rth@redhat.com>
+
+       * objc/objc-act.c (build_constructor): Cast initializer values
+       to the proper field types.
+
+2001-12-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * unwind-dw2.c (execute_cfa_program): Fix DW_CFA_restore handling.
+
+2001-12-10  Roger Sayle <roger@eyesopen.com>
+
+       * builtins.c (expand_builtin): Use a switch statement to list
+       those functions not expanded without optimizations, instead of a
+       series of equality tests.
+
+Tue Dec 11 07:08:57 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/vms.h (LIB_SPEC): Define.
+       * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Don't set component field.
+
+       * libgcc2.c (_bb): Remove ctime declaration.
+
+       * Makefile.in (stage[1234]-start): $(LN_S) utilities in a manner
+       that works if LN_S = cp.
+
+       * config/alpha/x-vms (version): Change "." to "_".
+
+       * configure.in: Hardcode that vfork works on VMS host.
+       * configure: Regenerated.
+
+Mon Dec 10 18:37:31 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * gcc.c (convert_filename): Add do_obj parameter. Don't convert
+       unless do_obj true.
+       (process_command): Modify calls to convert_filename.
+
+2001-12-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/sparc/sol2-sld-64.h: Include dbxelf.h again.
+
+Mon Dec 10 15:54:27 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * combine.c (known_cond): Check mode of each operand to determine
+       if COND is comparing floating point values.
+
+2001-12-10  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.h (processor_type): Add PPC405.
+       (RTX_COSTS): Add PPC405.  Correct rs64 and ppc630 multiply costs.
+       * rs6000.md: Add PPC405 information.  Utilize imul2 and imul3 for
+       rios1, rs64, and ppc630 processors.
+       * rs6000.c (processor_target_table): Add PPC405.
+
+2001-12-10  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (unaligned_extendhidi): Call gen_lowpart
+       instead of hardcoding subregs into the _be and _le patterns.
+
+2001-12-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c, c-parse.in, c-typeck.c: Revert concatenation changes.
+
+Mon Dec 10 09:19:11 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.md (leave, leave_rex64): Adjust pattern to match
+       what insn does.
+
+2001-12-10  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/cpp.texi: Don't condition menus on @ifinfo.  Condition the
+       copyright notice formerly conditioned on @ifinfo on @ifnottex
+       instead.
+
+Mon Dec 10 06:15:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * vmsdbgout.c (lookup_filename): Remove warning.
+
+Mon Dec 10 06:09:57 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * Makefile.in: Add $(OUTPUT_OPTION) to compilation rules.
+
+       * config.gcc (alpha*-dec-vms*): Change to alpha*-dec-*vms*
+       (exeext, target_alias, prefix, local_prefix): Define.
+       * config/alpha/x-vms (USE_COLLECT2): Make empty.
+       * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Use Unix style
+       file specifications. Remove ".".
+       (GCC_INCLUDE_DIR): Remove redefinition (redundant).
+       * fixinc/mkfixinc.sh (alpha*-dec-vms*):  Change to alpha*-dec-*vms*
+
+2001-12-09  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * Makefile.in (.po.gmo): Use POSIXLY_CORRECT argument ordering.
+
+Sun Dec  9 21:57:24 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/t-vms (EXTRA_PARTS): Append $(VMS_EXTRA_PARTS)
+       Add rules for building [vp]crt0.o
+       * config/alpha/vms.h (START_FILE_SPEC): Define.
+       * config/alpha/x-vms (VMS_EXTRA_PARTS): Define
+       * config/alpha/vms-crt0.c, config/alpha/vms-psxcrt0.c: New files.
+       * doc/invoke.texi: Document special Alpha/VMS options.
+
+Sun Dec  9 20:25:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * hwint.h (HOST_BITS_PER_LONGLONG): Deal with __int64 type.
+       * vmsdbg.h (DST_SRC_COMMAND): Test for type of long long or __int64,
+       not GNUC.
+
+Sun Dec  9 20:19:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+                         Douglas B. Rupp  <rupp@gnat.com>
+
+       * tree.c (append_random_char): Conditionalize INO for VMS.
+
+2001-12-09  Richard Henderson  <rth@redhat.com>
+
+       * cfgcleanup.c (label_is_jump_target_p): New function.
+       (try_optimize_cfg): Use label_is_jump_target_p to check if label is
+       target of a JUMP_INSN from the preceding block.
+
+Sun Dec  9 18:40:07 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * vmsdbgout.c (lookup_filename): Assign null string instead
+       of null pointer to fnam.
+
+2001-12-09  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_align_insns): Suppress realignment
+       immediately after a call; insert nops before a call.
+
+2001-12-09  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_align_insns): Use align_functions,
+       not FUNCTION_BOUNDARY.
+       * config/alpha/alpha.h (TRAMPOLINE_ALIGNMENT): New.
+       * config/alpha/alpha32.h, config/alpha/vms.h: Likewise.
+       * config/alpha/unicosmk.h (FUNCTION_BOUNDARY): Remove.
+
+2001-12-09  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * config/mmix/mmix.c (mmix_function_block_profiler,
+       mmix_block_profiler, mmix_function_block_profiler_exit): Delete
+       unused functions.
+       * config/mmix/mmix-protos.h (mmix_function_block_profiler,
+       mmix_block_profiler, mmix_function_block_profiler_exit): Delete
+       prototypes.
+
+       * config/cris/cris.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER):
+       Delete obsoleted macros.
+
+2001-12-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/cpp.texi, doc/cppinternals.texi, doc/invoke.texi,
+       doc/md.texi, doc/rtl.texi, doc/tm.texi: Use American spelling.
+
+       * ChangeLog.2, ChangeLog.3, ChangeLog.5, ChangeLog, alias.c,
+       cfgbuild.c, expmed.c, expr.c, final.c, flow.c, fold-const.c,
+       function.c, config/alpha/alpha.md, config/alpha/vms-ld.c,
+       config/arm/arm.c, config/arm/arm.h, config/c4x/libgcc.S,
+       config/i370/i370.c, config/i386/i386.c,
+       config/i386/i386-interix.h, config/i386/i386.md,
+       config/i386/i386.h, config/i386/netbsd-elf.h, config/ia64/ia64.c,
+       config/m32r/m32r-protos.h, config/mcore/mcore.h,
+       config/rs6000/rs6000.h, config/sparc/linux64.h,
+       config/sparc/sparc.c, config/v850/v850-protos.h,
+       config/cris/cris.h, config/s390/s390.md, config/elfos.h: Fix
+       spelling errors.
+
+2001-12-09  Daniel Berlin  <dan@cgsoftware.com>
+
+       * config/rs6000/rs6000.h (enum rs6000_builtins): Add remaining
+       altivec builtins (VCF?X, VCT?XS, VSEL, V*EFP, VRFI*).
+
+       * config/rs6000/rs6000.c: Ditto.
+
+       * config/rs6000/rs6000.md: Ditto.
+
+2001-12-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * 1750a.md: Add default case in switch.
+       * alpha/vms.h (INITIAL_ELIMINATION_OFFSET): Add abort clause in
+       if-else statement.
+       * dsp16xx.c (print_operand_address): Likewise.
+       * i386/osf1elf.h (FUNCTION_PROFILER): Const-ify.
+       * ia64.md: Add missing braces.
+       * rs6000-protos.h (s8bit_cint_operand): Prototype.
+       * s390.h (INITIAL_ELIMINATION_OFFSET): Add abort clause in
+       if-else statement.
+       * stormy16.h (REG_CLASS_CONTENTS): Add missing braces.
+       * v850.h (OUTPUT_ADDR_CONST_EXTRA): Don't issue a `return'.
+       * dbxout.c (dbxout_source_file): Move a variable into the scope
+       where it is used.
+       * final.c (profile_function): Mark parameter with
+       ATTRIBUTE_UNUSED.
+       * genemit.c (gen_expand): Likewise for generated file.
+       * insn-addr.h (INSN_ADDRESSES_NEW): Avoid undefined behavior.
+
+       * vmsdbg.h: Delete spurious close-comment.
+       (DST_HEADER): Fix typo in ENUM_BITFIELD parameter.
+       * vmsdbgout.c (write_modbeg): Define return type.
+
+       * m68k/3b1.h (ASM_OUTPUT_ALIGN): Wrap in do-while(0).
+       * m68k/amix.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * m68k/atari.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * m68k/hp320.h (ASM_OUTPUT_ALIGN): Likewise.
+       * m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Likewise.
+       * m68k/sgs.h (ASM_OUTPUT_ALIGN): Likewise.
+       * m68k/tower-as.h (ASM_OUTPUT_ALIGN): Likewise.
+
+2001-12-08  Tom Rix  <trix@redhat.com>
+
+       * config/rs6000/aix43.h (NON_POWERPC_MASKS): Delete MASK_STRING.
+       * config/rs6000/aix51.h (NON_POWERPC_MASKS): Same.
+       * config/rs6000/rs6000.md (load_multiple, store_multiple): Do not use
+       for powerpc64.
+       * config/rs6000/rs6000.md (movstrsi_8reg, movstrsi_6reg,
+       movstrsi_4reg, movstrsi_1_reg): Add powerpc64.
+       * config/rs6000/rs6000.c (expand_block_move): Do not use
+       gen_movstrsi_2reg and powerpc64.
+
+2001-10-08  Aldy Hernandez  <aldyh@redhat.com>
+
+       * c-common.h (rid): Add RID_CHOOSE_EXPR and
+       RID_TYPES_COMPATIBLE_P.
+
+       * c-parse.in (reswords): Add __builtin_choose_expr.
+       Add __builtin_types_compatible_p.
+       Add CHOOSE_EXPR token.
+       Add TYPES_COMPATIBLE_P token.
+       Add production for CHOOSE_EXPR.
+       Add production for TYPES_COMPATIBLE_P.
+
+       * doc/extend.texi (__builtin_choose_expr): Add documentation.
+       (__builtin_types_compatible_p): Likewise.
+
+2001-12-08  David Edelsohn  <edelsohn@gnu.org>
+
+       * stor-layout.c (place_union_field): Apply ADJUST_FIELD_ALIGN
+       to unions.
+
+2001-12-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-parse.in: Take string literals in assembler constructs,
+       not expressions.
+       * c-typeck.c (build_asm_stmt, simple_asm_stmt): No need to
+       check the strings are STRING_CSTs.
+
+2001-12-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (c_lex): Peek a token ahead for a string to concatenate,
+       using combine_strings to do the concatenation.
+       * c-parse.in: Replace uses of the string non-terminal with STRING.
+       Don't attempt string concatenation.
+       (OBJC_STRING): New terminal.
+       (string): Remove non-terminal.
+       (_yylex): Call combine_strings on function names.  Generate
+       OBJC_STRING terminals; don't pass '@' on to yacc.
+       * c-typeck.c (simple_asm_stmt): Don't concatenate strings here.
+       (build_asm_stmt): Similarly.
+
+2001-12-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * rtlanal.c (get_jump_table_offset): Delete unused variable.
+
+2001-12-08  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.md (VUNSPEC_PREFETCH): Delete constant definition.
+       (prefetch): Rewrite using PREFETCH RTL primitive.
+       * arm.h (arm_builtins): Delete ARM_BUILTIN_PREFETCH).
+       * arm.c (arm_init_builtins): Don't initialize a builtin for
+       __builtin_prefetch here.
+       (arm_expand_builtin): Don't expand __builtin_prefetch here.
+
+2001-12-08  Richard Earnshaw  <rearnsha@arm.com>
+
+       * final.c (cleanup_subreg_operands):  Use recog_data.operand_loc
+       in test for a subreg.
+
+2001-12-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * rtl.c (rtx_equal_p): Check for null pointers when comparing rtx
+       strings.
+
+2001-12-07  Richard Henderson  <rth@redhat.com>
+
+       * doc/extend.texi: Fix typo last change.
+
+       * c-decl.c (c_language): Remove duplicate.
+
+2001-12-07  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/darwin.h: Set MAX_LONG_TYPE_SIZE to 32.
+       * config/rs6000/rs6000.c (rs6000_emit_move): In Darwin-
+       specific codegen, eliminate a register copy.
+       (print_operand_address): Add support for Darwin's lo16(constant)
+       syntax.
+       (rs6000_machopic_legitimize_pic_address): Fix darwin-specific
+       generation of addresses within very large data objects.
+       (s8bit_cint_operand):  New.
+       * config/rs6000/rs6000.md: Remove "iu" reference for 750/7400.
+       Move "mtjmpr" to correct functional unit for 750/7400/7450.
+       Add imul2 and imul3 insn types for multiplication by 16- and
+       8-bit constants.
+       Change tablejump patterns to strongly discourage using LR
+       rather than CTR.
+       Add %lo16 patterns for Darwin loads and stores.
+
+2001-12-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha.md: Use (HOST_WIDE_INT)1<<63 in lieu of 0x8000000000000000.
+
+2001-12-07  Stephane Carrez  <Stephane.Carrez@sun.com>
+
+       * config/sparc/sparc.c (epilogue_renumber): Do not replace %fp
+       with %sp because it can cause the delayed instruction to load
+       below the stack.
+
+2001-12-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha.c (alpha_expand_unaligned_store,
+       alpha_expand_unaligned_store_words): Use constm1_rtx in place of
+       call to immed_double_const.
+
+2001-12-07  Aldy Hernandez  <aldyh@redhat.com>
+
+       * doc/extend.texi (Variable Attributes): Document vector_size.
+
+       * attribs.c (c_common_attribute_table): Add vector_size.
+       (handle_vector_size_attribute): New.
+       (vector_size_helper): New.
+       (decl_attributes): Relayout the decl after calculating attribs.
+
+2001-12-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Don't include install-old.texi.  Adjust menu
+       description for Trouble section.
+       * doc/install-old.texi: Adjust for inclusion as chapter of new
+       installation manual.
+       * doc/install.texi, doc/include/fdl.texi, doc/install.texi2html:
+       Adjust to include old installation chapter as chapter of new
+       installation manual.
+
+Fri Dec  7 11:07:35 EST 2001  John Wehle  (john@feith.com)
+
+       * rtl.h (get_jump_table_offset): Declare.
+       * rtlanal.c (get_jump_table_offset): Implement.
+
+Fri Dec  7 07:06:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * final.c (bb_head, bb_tail, bb_file_label_num, bb_func_label_num):
+       Deleted; were used only by BB profiler code.
+       (sbb_head, sbb_tail, sbb_label_num): Likewise.
+       (end_final): Delete now-unused vars I, PTR, and SPTR.
+
+       * expr.c (store_field): Remove warning.
+       (expand_expr, case COMPONENT_REF, case VIEW_CONVERT_EXPR): Likewise.
+       (highest_pow2_factor, case MIN_EXPR, case MAX_EXPR): Add cases.
+       (highest_pow2_factor, case *_DIV_EXPR): Only can do something if
+       divisor constant power of 2.
+       (highest_pow2_factor, case COMPOUND_EXPR): Look at operand 1.
+
+2001-12-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha.c (function_arg): Cast value to HOST_WIDE_INT before
+       shifting.
+
+2001-12-06  Aldy Hernandez  <aldyh@redhat.com>
+
+       * rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): New.
+       (DWARF_FRAME_REGISTERS): Delete.
+
+2001-12-06  Janis Johnson  <janis187@us.ibm.com>
+
+       * builtin-types.def (BT_FN_VOID_PTR_VAR): New.
+       * builtins.def (BUILT_IN_PREFETCH): Change arguments.
+       * builtins.c (expand_builtin_prefetch): Two arguments are now optional,
+       with defaults for read prefetch with high degree of locality.
+       * doc/extend.texi (__builtin_prefetch): Update documentation.
+       * doc/md.texi (prefetch): Add documentation.
+
+2001-12-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * fixinc/inclhack.def (stdio_va_list): Handle __VA_LIST__ in Tru64
+       UNIX V5.1A stdio.h.
+       * fixinc/fixincl.x: Regenerate.
+       Fixes PR libf2c/4826.
+
+2001-12-06  Aldy Hernandez  <aldyh@redhat.com>
+           Richard Henderson  <rth@redhat.com>
+
+       * doc/tm.texi (DWARF_FRAME_REGISTERS): Add documentation.
+       (PRE_GCC3_DWARF_FRAME_REGISTERS): Same.
+
+       * unwind-dw2.c (__frame_state_for): Change DWARF_FRAME_REGISTERS
+       to PRE_GCC3_DWARF_FRAME_REGISTERS.
+       (frame_state): Same.
+       (PRE_GCC3_DWARF_FRAME_REGISTERS): Define if not already defined.
+
+2001-12-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * langhooks.c (lhd_staticp): Mark parameter with
+       ATTRIBUTE_UNUSED.
+
+2001-12-06  H.J. Lu <hjl@gnu.org>
+
+       * Makefile.in (.po.gmo): Use "-test -d po || mkdir po" to
+       reduce noise.
+       (.po.pox): Likewise.
+       (o/$(PACKAGE).pot): Likewise.
+
+2001-12-06  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tree.c (get_callee_fndecl): Move DECL_ABSTRACT_ORIGIN-following...
+       * tree-inline.c (expand_call_inline): ... here.
+
+2001-12-06  H.J. Lu <hjl@gnu.org>
+
+       * Makefile.in (.po.gmo): Use "-mkdir po" for parallel build.
+       (.po.pox): Likewise.
+       (o/$(PACKAGE).pot): Likewise.
+
+2001-12-06  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc: Include dbxelf.h before elfos.h.
+       * elfos.h: Don't include dbxelf.h, let config.gcc handle it.
+
+2001-12-06  Zack Weinberg  <zack@codesourcery.com>
+
+       * cppfiles.c (open_file): If we've opened a directory by
+       mistake, close it.
+       (find_include_file): Avoid turning / into // or // into ///.
+
+2001-12-06  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.h (STRUCT_VALUE): Suppress definition.
+       (STRUCT_VALUE_REGNUM): Restore definition.
+
+2001-12-06  Andrew MacLeod <amacleod@redhat.com>
+
+       * flow.c (find_regno_partial): Return register, not the expression
+       the register is in.
+
+Thu Dec  6 09:24:12 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (handle_epilogue_set): Check for FP setting case when
+       SP is set from FP in same insn.
+
+2001-12-06  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.c (load_multiple_sequence): Pass pointer to
+       RTX when calling alter_subreg().
+       (store_multiple_sequence): Pass pointer to RTX when calling
+       alter_subreg().
+
+Thu Dec  6 06:55:13 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (assing_parms): Fix typo in last change.
+       * config/clipper.c (clipper_builtin_saveregs): Remove Checker code.
+       * config/m88k/m88k.c (m88k_builtin_saveregs): Likewise.
+       * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
+       * config/sparc/sparc.c (sparc_builtin_saveregs): Likewise.
+
+2001-12-06  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (rs6000_unique_section): Simplify and
+       correct code selecting section.
+
+Thu Dec  6 12:45:33 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * final.c (count_basic_block, add_bb, add_bb_string):
+       Kill.
+       (end_final, final_start_function, final, final_scan_insn,
+       leaf_function_p): Kill BB profiler related code.
+       * flags.h (profile_block_flag): Kill.
+       * libgcc2.c (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE,
+       BB_BUCKETS, BBINBUFSIZE, bb_edge, bb_func_mode, bb_func,
+       __bb, bb_src, bb_dst, bb_tracefile, bb_hashbuckets,
+       bb_func_head, bb_callcount, bb_mode, bb_stack, bb_stacksize
+       reported, GOPENDECOMPRESS, GOPENCOMPRESS, gopen, gclose,
+       __bb_exit_trace_func, __bb_init_prg, __bb_trace_func,
+       __bb_trace_func_ret, __bb_init_file, __bb_trace_ret,
+       __bb_init_trace_func): Kill.
+       * toplev.c (profile_block_flag): Kill.
+       (indepdendent_decode_option, process_options): Kill -a related code.
+       * alpha.c (direct_call_operand): Likewise.
+       * arm.c (arm_expand_prologue, thumb_expand_prologue,
+       thumb_expand_epilogue): Likewise.
+       * c4x.c (c4x_expand_prologue, c4x_null_epilogue_p): Likewise.
+       * c4x.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * d30v.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * fr30.c (fr30_expand_prologue): Kill BB profiler related code.
+       * i386.c (ix86_can_use_return_insn_p, ix86_expand_prologue,
+       ix86_expand_epilogue, ix86_expand_epilogue): Kill BB profiler related
+       code.
+       (ix86_output_function_block_profiler, ix86_output_block_profiler): Kill.
+       * i386.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * fr30.c (fr30_expand_prologue): Kill BB profiler related code.
+       * i960.c (i960_output_function_prologue): Kill BB profiler related
+       code.
+       * ia64.c (ia64_compute_frame_size): Likewise.
+       * ia64.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * m32r.c (m32r_expand_prolofue): Kill BB profiler related code.
+       * m68hc11.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * m68k.c (m68k_output_function_epilogue): Kill BB profiler related code.
+       * m68k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * m88k.c (output_options, m88k_layout_frame, m88k_expand_prologue):
+       Kill BB profiler related code.
+       * m88k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * mips.c (mips_expand_prologue): Kill BB profiler related code.
+       * mmix.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * rs6000.c (rs6000_override_options): Kill BB profiler related code.
+       * s960.c (s390_function_prologue): Kill BB profiler related code.
+       * s960.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * linux-aout.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+       * linux.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+       * linux64.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+       * sol2.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+       * sparc.c (sparc_override_options, eligible_for_sibcall_delay,
+       sparc_nonflat_function_epilogue): Kill BB profiler related code.
+       (sparc_function_block_profiler, sparc_block_profiler,
+       sparc_function_block_profiler_exit): Kill.
+       * sparc.h (OVERRIDE_OPTIONS): Kill BB profiler related code.
+       (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * sun4o3.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+       * sunos4.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+       * stormy16.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+       * doc/invoke.texi: Kill documentation of -a and -ax.
+       * tm.texi (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+       FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+       MACHINE_STATE_RESTORE): Kill.
+
+2001-10-26  Steve Christiansen  <smc@us.ibm.com>
+
+       * doc/rtl.texi: Use a table to display RTL format characters.
+
+2001-12-06  Bo Thorsen  <bo@suse.co.uk>
+
+       * config/i386/linux64.h (LINK_SPEC): Correct name of dynamic linker.
+
+Wed Dec  5 19:18:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (keep_stack_depressed): Check global_live_at_start
+       of EXIT_BLOCK for temp register and verify it isn't in equiv_reg_src.
+
+2001-12-05  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (powerpc-*-freebsd*): Use the proper tmake_file files,
+       as set by the generic FreeBSD configure framework.
+
+2001-12-04  Jason Merrill  <jason@redhat.com>
+
+       * langhooks.h (struct lang_hooks_for_tree_inlining): Add
+       start_inlining, end_inlining.
+       * tree-inline.c (expand_call_inline): Call them.
+       * langhooks-def.h (LANG_HOOKS_TREE_INLINING_START_INLINING): Define.
+       (LANG_HOOKS_TREE_INLINING_END_INLINING): Define.
+       (LANG_HOOKS_TREE_INLINING_INITIALIZER): Add them.
+       * langhooks.c (lhd_tree_inlining_start_inlining): New fn.
+       (lhd_tree_inlining_end_inlining): New fn.
+
+2001-12-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c (shadow_warning): New function, moved from cp/decl.c.
+       * c-common.h (shadow_warning): New.
+       * c-decl.c: Include c-common.h.
+       (warn_if_shadowing): New, broken out of pushdecl.
+       (pushdecl): Use warn_if_shadowing.
+       (store_parm_decls): Prevent duplicate -Wshadow warnings.
+
+Wed Dec  5 17:59:19 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/vms.h (SIZE_TYPE, PTRDIFF_TYPE): Remove, were disabled.
+       (DOLLARS_IN_IDENTIFIERS, LINK_SPEC): Remove duplicate.
+       (LIB_SPEC): Remove.
+
+Wed Dec  5 16:03:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * doc/c-tree.texi (RECORD_TYPE, UNION_TYPE): Expand on definition.
+       (QUAL_UNION_TYPE): New type.
+
+       * varasm.c (output_constant, case ERROR_MARK): New case.
+
+       * attribs.c (handle_no_check_memory_usage_atribute): Deleted.
+       (c_com): Delete its reference.
+       * builtins.c: Delete memory checking code.
+       * calls.c, expr.c, function.c, stmt.c: Likewise.
+       * builtins.c (expand_builtin_arg_info): Remove reference to
+       EXPAND_MEMORY_USE_* modifiers.
+       * explow.c (expr_size): Likewise.
+       * expr.c (expand_expr, expand_increment): Likewise.
+       * expr.h (ARGS_SIZE_RTX): Likewise.
+       * function.c (assign_parms, expand_pending_sizeso): Likewise.
+       * c-decl.c (duplicate_decls): Don't handle DECL_NO_CHECK_MEMORY_USAGE.
+       * expr.c (in_check_memory_usage): Delete.
+       (get_push_address, get_memory_usage_from_modifier): Delete.
+       (expand_assigment): Use EXPAND_WRITE on destination.
+       (expand_expr): Delete ro_modifier.
+       * expr.h (expand_modifier): Delete EXPAND_MEMORY_* entries and
+       add EXPAND_WRITE.
+       (memory_use_mode): Delete.
+       * flags.h (flag_check_memory_usage): Deleted.
+       (flag_prefix_function_name): Likewise.
+       * function.c (expand_function_start): Don't set
+       current_function_check_memory_usage.
+       * function.h (check_memory_usage): Delete.
+       * libfuncs.h, optabs.c: Delete chkr_* stuff.
+       * stmt.c (expand_asm_opernd): Change EXPAND_MEMORY_USE_WO to
+       EXPAND_WRITE.
+       * toplev.c (flag_check_memory_usage): Deleted.
+       (flag_prefix_function_name): Likewise.
+       (f_options, process_options): Delete references to above.
+       * tree.h (DECL_NO_CHECK_MEMORY_USAGE): Deleted.
+       * varasm.c (CHKR_PREFIX): Deleted.
+       (make_decl_rtl): Remove flag_prefix_function_name handling.
+       (assemble_name): Likewise.
+       * doc/extend.texi: Remove no_check_memory_usage attribute.
+       * doc/invoke.texi: Remove -fcheck-memory-usage
+       and -fprefix-function-name.
+
+2001-12-05  Andreas Schwab  <schwab@suse.de>
+
+       * Makefile.in (STMP_FIXPROTO, STMP_FIXINC): Use substituted values
+       from autoconf.
+
+2001-12-05  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config.gcc: Include arm/xscale-coff.h before arm/arm.h.
+
+2001-12-05  William Cohen  <wcohen@redhat.com>
+
+       * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Correct typo in
+       instruction.
+
+2001-12-05  Daniel Berlin  <dan@cgsoftware.com>
+
+       * config/rs6000/rs6000.h (enum rs6000_builtins): Add more altivec
+       builtins.
+
+       * config/rs6000/rs6000.md: Modeling of 7450 altivec changed to
+       better reflect reality (change from Apple's tree).
+       Add more of altivec instructions.
+       Add ftruncv4sf2 pattern.
+       Remove more unspecs (vector merge instructions, etc).
+
+       * config/rs6000/rs6000.c (bdesc_3arg): New, for 3 argument altivec
+       builtins.
+       (bdesc_1arg): New, for 1 argument altivec builtins.
+       (altivec_expand_builtin): Handle unary and ternary ops.
+       (altivec_init_builtins): Ditto.
+
+Wed Dec  5 09:33:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/alpha/vms.h (ADA_LONG_TYPE_SIZE): New macro.
+       * doc/tm.texi (ADA_LONG_TYPE_SIZE): Document it.
+
+2001-12-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcse.c (store_killed_in_insn): Consider pure calls
+       as potential store killers in addition to normal calls.
+
+2001-12-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * expr.c (expand_expr): When checking promoted value, use
+       DECL_MODE (exp) and not mode.
+
+2001-12-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (output_init_element): Call digest_init
+       just once, not in each if branch and check its return value for
+       error_mark_node.
+
+2001-12-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-decl.c (pushdecl): Only increase n_incomplete if pushed decl's
+       type is RECORD_TYPE, UNION_TYPE or ARRAY_TYPE thereof.
+       (finish_struct): Break the loop if n_incomplete went to 0.
+       For ARRAY_TYPE, if it is not TYPE_DECL, layout the decl too.
+
+Wed Dec  5 07:41:13 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/alpha.c (alpha_va_start): Update VMS case.
+
+Wed Dec  5 07:27:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+                         Douglas B. Rupp  <rupp@gnat.com>
+
+       * vmsdbg.h, vmsdbgout.c: Add documentation and minor cleanups.
+       * doc/invoke.texi: Add -gvms.
+       * doc/passes.texi: Add mention of vmsdbgout.c.
+       * doc/tm.texi: Document VMS debugging output.
+
+Wed Dec  5 06:26:27 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.h (tree, rtx): Remove no-longer-needed definitions.
+
+       * function.c (keep_stack_depressed): Refine check for register
+       clobbered over call.
+
+       * expr.c (store_expr): When copying string constant into array,
+       use functions that update memrefs instead of computations on
+       addresses to better track MEMs.  Also properly handle 32/64 pointers.
+       (expand_expr): Use TARGET even if not reg for multi-word CONSTRUCTOR.
+       (expand_expr, case CONSTRUCTOR): Fix errors in parms to assign_temp.
+
+       * emit-rtl.c (component_ref_for_mem_expr): Try harder to find decl
+       underneath COMPONENT_REFs.
+       (set_mem_attributes): Also strip VIEW_CONVERT_EXPR.
+
+2001-12-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * toplev.c (display_target_options): Don't print twice.
+
+Wed Dec  5 00:42:16 EST 2001  John Wehle  (john@feith.com)
+
+       * emit-rtl.c (set_unique_reg_note): Don't set
+       a REG_EQUAL or REG_EQUIV note if multiple sets
+       are present.
+
+2001-12-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * cfgrtl.c (verify_flow_info): Allow jump table data in fallthru if
+       CASE_DROPS_THROUGH.
+
+2001-12-04  Andrew MacLeod  <amacleod@redhat.com>
+
+       * rtl.h (initialize_uninitialized_subregs): New prototype.
+       * toplev.c (rest_of_compilation): Call initialize_uninitialized_subregs
+       when optimization is on.
+       * flow.c (find_regno_partial): Find subregs within an expression.
+       (initialize_uninitialized_subregs): Initialize live on entry registers
+       which are used in subreg expressions.
+
+2001-12-04  Phil Edwards  <pme@gcc.gnu.org>
+
+       * Makefile.in:  Add INSTALL_SCRIPT using INSTALL definition.
+
+2001-12-04  DJ Delorie  <dj@redhat.com>
+
+       * fixinc/fixincl.c (initialize): Avoid problemsome macro
+       parameter names (PR 3388).
+
+2001-12-05  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (rs6000_legitimize_address): Fix typo.
+       * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Here too.
+
+2001-12-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.def (COMPOUND_LITERAL_EXPR): New.
+       * c-common.c (c_expand_expr): Handle COMPOUND_LITERAL_EXPR.
+       (c_staticp): New function.
+       * c-common.h (COMPOUND_LITERAL_EXPR_DECL): New.
+       (c_staticp): Declare.
+       * c-typeck.c (default_function_array_conversion, build_unary_op):
+       Don't handle CONSTRUCTOR specially.
+       (lvalue_p, mark_addressable): Handle COMPOUND_LITERAL_EXPR.
+       * c-decl.c (build_compound_literal): New function.
+       * c-tree.h (build_compound_literal): Declare.
+       * c-parse.in (primary): Use build_compound_literal.
+       * c-lang.c (LANG_HOOKS_STATICP): Define.
+       * objc/objc-lang.c (LANG_HOOKS_STATICP): Likewise.
+       * doc/c-tree.texi: Document COMPOUND_LITERAL_EXPR.
+       * doc/extend.texi: Update documentation of compound literals.
+       Fixes PR c/4787.
+
+2001-12-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * langhooks.h (struct lang_hooks): Add staticp.
+       * langhooks-def.h (lhd_staticp, LANG_HOOKS_STATICP): New.
+       (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_STATICP.
+       * langhooks.c (lhd_staticp): New function.
+       * tree.c (staticp): Call lang_hooks.staticp for language-specific
+       tree codes.
+
+2001-12-04  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppspec.c (lang_specific_driver): Set is_cpp_driver.
+       * gcc.c (process_command): Ensure the cpp driver sees
+       --help and --target-help, and that the help is printed
+       exactly once.
+
+2001-12-04  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/elfos.h (ASM_OUTPUT_INTERNAL_LABEL): Display count unsigned.
+
+2001-12-04  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/cris.h (OPTIMIZATION_OPTIONS): Don't unset
+       flag_strict_aliasing.  Use separate assignment statements.
+
+2001-12-04  Zack Weinberg  <zack@codesourcery.com>
+
+       * build-make, cross-make: Delete file.
+       * configure.in: Set and substitute CROSS, ALL,
+       SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_PREFIX_1, HOST_CC,
+       HOST_CFLAGS, STMP_FIXINC, and STMP_FIXPROTO depending on
+       whether build == host and host == target.  Do not
+       AC_SUBST_FILE build_overrides or cross_overrides.  Do not
+       AC_SUBST cross_defines or extra_c_flags.
+       * Makefile.in (NATIVE_SYSTEM_HEADER_DIR): New.
+       (SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_CC, HOST_PREFIX,
+       HOST_PREFIX_1, HOST_CFLAGS, ALL, INTERNAL_CFLAGS): Set
+       partially or completely with autoconf-substituted @variable@
+       notation.
+       (INSTALL_TARGET, @cross_defines@, @cross_overrides@,
+       @build_overrides@, @extra_c_flags@, all.build, install-build,
+       install-cross-rest, install-float-h-cross): Deleted.
+       (install-normal): Rename to install.  Delete old "install"
+       indirection rule.
+
+2001-12-04  Andrew MacLeod  <amacleod@redhat.com>
+
+       * stmt.c (expand_return): Clear destination instead of clobbering it
+       when setting a return value via bitsets.
+
+2001-12-04  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tree.c (get_callee_fndecl): Only use DECL_ABSTRACT_ORIGIN if
+       it has DECL_SAVED_TREE.
+
+       * c-decl.c (duplicate_decls): Revert rth's patch.  If newdecl
+       is in a different binding level, get its abstract origin to be
+       olddecl.
+       * tree-inline.c (expand_call_inline): Move DECL_INITIAL sanity
+       check earlier.
+       * tree.c (get_callee_fndecl): Follow DECL_ABSTRACT_ORIGIN if
+       DECL_INITIAL is NULL.
+
+2001-12-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * flow.c (ior_reg_cond): Return NULL if ! add and rtx wasn't optimized.
+       Return correct value if one of the subexpressions was optimized to
+       0 resp. 1.  Optimize (x | A) | x and (x & A) | x.
+       (and_reg_cond): Similarly.
+
+2001-12-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * function.c (assign_parms): Set last_named only for last named
+       argument.
+
+2001-12-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi: Use the GFDL.  Include years from old install
+       manual in copyright notice.  Include copyright and GFDL notice on
+       HTML index page.  Include usual footer on testing.html.
+       * doc/install.texi2html: Build gfdl.html.  Use -I
+       $SOURCEDIR/include.
+       * doc/include/fdl.texi: Adapt for use in the install manual.
+
+2001-12-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi: Document that installed native compiler for
+       building cross compilers should be GCC 2.95 or later.
+
+2001-12-03  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.h (CALL_REALLY_USED_REGISTERS): New macro.
+       * config/mips/mips.md: Check TARGET_DEBUG_D_MODE before split
+       patterns.
+
+2001-12-03  Janis Johnson  <janis187@us.ibm.com>
+
+       * rtl.def (PREFETCH): New rtx code.
+       * doc/rtl.texi (PREFETCH): Add documentation.
+       * function.c (instantiate_virtual_regs_1): Handle PREFETCH rtx.
+       * rtlanal.c (reg_referenced_p): Ditto.
+       * sched-vis.c (print_exp):  Ditto.
+       * ssa-dce.c (find_inherently_necessary):  Ditto.
+
+       * config/ia64/ia64.h (SIMULTANEOUS PREFETCHES): Define.
+         (PREFETCH_BLOCK): Define.
+       * config/ia64/ia64.md (itanium_class): Add lfetch.
+         (prefetch, prefetch_internal): New.
+
+       * builtin-types.def (BT_FN_VOID_PTR_INT_INT): New.
+       * builtins.def (BUILT_IN_PREFETCH): New.
+       * builtins.c (expand_builtin_expect): New.
+         (expand_builtin): Call it.
+       * doc/extend.texi: Document __builtin_prefetch.
+
+       * config/i386/i386.md (prefetch): Rename as prefetch_sse to avoid
+         conflicts with new generic prefetch functionality.
+       * config/i386/i386.c (ix86_expand_builtin): Use new name for
+         prefetch_sse.
+
+2001-12-02  Ziemowit Laski  <zlaski@apple.com>
+
+       * objc/Make-lang.in: Update copyright.
+       (OBJC_OBJS): Add objc-lang.o.
+       (objc-lang.o): New rule.
+       * objc/config-lang.in: Fix file description and update
+       copyright.
+       * objc/objc-act.c: Do not include langhooks.h and
+       langhooks-def.h
+       (lang_hooks): Move (along with LANG_HOOKS...) to objc-lang.c.
+       (objc_post_options): Move to objc-lang.c.
+       (objc_init_options): Move to objc-lang.c.
+       (objc_init): Make non-static.
+       (objc_decode_option): Make non-static.
+       (HASHFUNCTION): Remove macro.
+       (hash_func): New function.
+       (hash_enter): Replace HASHFUNCTION with hash_func.
+       (hash_lookup): Replace HASHFUNCTION with hash_func.
+       (maybe_objc_tree_codes): New function.
+       (init_objc): Move ObjC tree code initialization to
+       maybe_objc_tree_codes().
+       * objc/objc-act.h (GCC_OBJC_ACT_H): New include guard.
+       (objc_init): New public prototype.
+       (objc_decode_option): New public prototype.
+       (maybe_add_objc_tree_codes): New public prototype.
+       * objc/objc-lang.c: New file.
+       (lang_hooks): Moved from objc-act.c.
+       (objc_post_options): Moved from objc-act.c.
+       (objc_init_options): Moved from objc-act.c.
+
+2001-12-03  Geoff Keating  <geoffk@redhat.com>
+
+       * emit-rtl.c (gen_lowpart_common): Avoid unwanted sign-extension
+       of array elements.
+
+2001-12-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       PR c/4988
+       * gcc.c (process_command): Don't add a preprocessor option for
+       --help and --target-help; cc1 is enough.
+
+2001-12-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (grokdeclarator): Use ISO word.
+       * cppinit.c: Remove leading capital from diagnostic messages, as
+       per GNU coding standards.
+       * emit-rtl.c: Similarly.
+       * final.c: Similarly.
+       * gcc.c: Similarly.
+       * tradcpp.c: Similarly.
+       * config/arm/arm.c: Similarly.
+       * config/arm/arm.h: Similarly.
+       * config/avr/avr.c: Similarly.
+       * config/avr/avr.h: Similarly.
+       * config/c4x/c4x.c: Similarly.
+       * config/cris/cris.c: Similarly.
+       * config/cris/cris.h: Similarly.
+       * config/d30v/d30v.c: Similarly.
+       * config/dsp16xx/dsp16xx.c: Similarly.
+       * config/dsp16xx/dsp16xx.h: Similarly.
+       * config/h8300/h8300.c: Similarly.
+       * config/i386/i386.c: Similarly.
+       * config/i386/xm-djgpp.h: Similarly.
+       * config/i960/i960.h: Similarly.
+       * config/m32r/m32r.c: Similarly.
+       * config/m68hc11/m68hc11.c: Similarly.
+       * config/m88k/m88k.c: Similarly.
+       * config/m88k/m88k.h: Similarly.
+       * config/mcore/mcore.c: Similarly.
+       * config/mcore/mcore.h: Similarly.
+       * config/mips/mips.c: Similarly.
+       * config/mmix/mmix.c: Similarly.
+       * config/pa/pa.c: Similarly.
+       * config/rs6000/rs6000.c: Similarly.
+       * config/rs6000/sysv4.h: Similarly.
+       * config/s390/s390.c: Similarly.
+       * config/sparc/sparc.c: Similarly.
+       * config/v850/v850-c.c: Similarly.
+       * config/v850/v850.c: Similarly.
+
+2001-12-03  Zack Weinberg  <zack@codesourcery.com>
+
+       * rs6000.h (RETURN_IN_MEMORY): Cast result of
+       int_size_in_bytes to unsigned HOST_WIDEST_INT so that -1 > 8.
+
+Mon Dec  3 09:18:34 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * mn10200.md (negsf2): Use -0x8000 instead of 0x8000 for
+       bit twiddling constant.
+
+Mon Dec  3 16:16:37 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (delete_null_pointer_checks_1): Do not use delete_list;
+       call purge_dead_edges after removing.
+       (delete_null_pointer_checks): Do not handle delete_list.
+
+       * cfgbuild.c (inside_basic_block_p, control_flow_insn_p): Break out from ...
+       (count_basic_blocks): ... here.
+       (find_basic_blocks, find_bb_boundaries): Cleanup.
+
+       * stor-layout.c (fixup_signed_type, fixup_unsigned_type): Avoid
+       overflow for types greater then 2 * HOST_WIDE_INT.
+
+       * reload.c (find_reloads): Update the duplicates after swapingg.
+
+Mon Dec  3 13:52:19 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movabsqi*): Use 'b' prefix instead of 'q'.
+
+2001-12-02  Zack Weinberg  <zack@codesourcery.com>
+
+       * config/rs6000/rs6000.h (MASK_ALTIVEC_ABI,
+       MASK_LONG_DOUBLE_128): Delete.
+       (MASK_AIX_STRUCT_RET, MASK_AIX_STRUCT_RET_SET,
+       TARGET_AIX_STRUCT_RET): New flags.
+       (TARGET_SWITCHES): Remove entries for -mlong-double-128 and
+       -mlong-double-64.  Add entries for -m(no-)aix-struct-return
+       and -m(no-)svr4-struct-return.
+       (TARGET_OPTIONS): Add entry for -mlong-double-.
+       (rs6000_long_double_size_string, rs6000_long_double_type_size,
+       rs6000_altivec_abi): Declare.
+       (TARGET_LONG_DOUBLE_128, TARGET_ALTIVEC_ABI,
+       LONG_DOUBLE_TYPE_SIZE): Change definitions to match.
+       (RETURN_IN_MEMORY): If !TARGET_AIX_STRUCT_RET, return
+       structures of size <= 8 bytes in registers.
+       (PRINT_OPERAND_PUNCT_VALID_P): Take out '$' and '*'.
+
+       * config/rs6000/rs6000.c (rs6000_long_double_size_string,
+       rs6000_long_double_type_size, rs6000_altivec_abi): New
+       globals.
+       (rs6000_override_options): Set rs6000_long_double_type_size
+       from rs6000_long_double_size_string, if nonzero.  Set the
+       MASK_AIX_STRUCT_RET bit in target_flags from DEFAULT_ABI, if
+       not already set.
+       (rs6000_parse_abi_options): Set rs6000_altivec_abi, not a
+       target_flags bit.
+       (rs6000_init_builtins): This hook now takes no arguments.
+
+       * config/rs6000/netbsd.h, config/rs6000/linux.h: Define
+       DRAFT_V4_STRUCT_RET to 1.
+
+2001-12-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-typeck.c (really_start_incremental_init, push_init_level):
+       Avoid constructor_max_index being other than an INTEGER_CST.
+
+2001-12-02  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/xcoff.h (ASM_OUTPUT_INTERNAL_LABEL): Display count
+       unsigned.
+       (ASM_GENERATE_INTERNAL_LABEL): Same.
+       (UNIQUE_SECTION): Fix typo.
+
+2001-12-02  Richard Henderson  <rth@redhat.com>
+
+       * c-decl.c (duplicate_decls): Conditionalize DECL_SAVED_TREE copy.
+
+2001-12-02  Richard Henderson  <rth@redhat.com>
+
+       * rtl.h (mem_attrs): Rename decl to expr; adjust all users.
+       (MEM_EXPR): Rename from MEM_DECL; adjust all users.
+       * emit-rtl.c (set_mem_expr): Rename from set_mem_decl.
+       * expr.h, final.c, reload1.c: Adjust users.
+
+       * alias.c (nonoverlapping_component_refs_p): New.
+       (decl_for_component_ref, adjust_offset_for_component_ref): New.
+       (nonoverlapping_memrefs_p): Use them.
+       * emit-rtl.c (component_ref_for_mem_expr): New.
+       (set_mem_attributes): Use it.
+       (set_mem_offset): New.
+       * expr.c (expand_assignment): Call set_mem_attributes for
+       inner references; adjust the memory offset as needed.
+       * print-rtl.c (print_mem_expr): New.
+       (print_rtx): Use it.
+
+Sun Dec  2 09:22:25 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/x-interix3 (SYSTEM_HEADER_DIR): Put back default.
+
+       * config/alpha/vms.h (VMS_DEBUGGING_INFO): New macro.
+       (PREFERRED_DEBUGGING_TYPE): Define as VMS_AND_DWARF2_DEBUG.
+       (ASM_SPEC): Don't redefine.
+       (OPTIMIZATION_OPTIONS, OVERRIDE_OPTIONS, LINK_SPEC): Define.
+       * config/alpha/t-vms (EXTRA_PARTS): Use; add rule for vms-dwarf2.asm.
+       * config/alpha/vms-dwarf2.asm: New file.
+
+       * Makefile.in (OBJS): Add vmsdbgout.c and its rule.
+       * c-lex.c (init_c_lex): Test for VMS_AND_DWARF2_DEBUG.
+       * debug.h (gcc_debug_hooks): Add vmsdbg_debug_hooks.
+       (vmsdbgout_after_prologue): New declaration.
+       * defaults.h (VMS_DEBUGGING_INFO): Add to PREFERRED_DEBUGGING_TYPE.
+       * dwarf2.h (dwarf_attribute): New DW_AT_VMS_rtnbeg_pd_address.
+       * dwarf2out.c (dwarf2out_do_frame): Test for VMS_AND_DWARF2_DEBUG.
+       (dwarf2out_frame_finish): Test for VMS_AND_DWARF2_DEBUG.
+       (dwarf_attr_name): Use DW_AT_VMS_rtnbeg_pd_address.
+       (add_name_and_src_coords_attributes): Test VMS_DEBUGGING_INFO
+       * final.c (final_start_function): Test for VMS_AND_DWARF2_DEBUG.
+       Test VMS_DEBUGGING_INFO.
+       (final_end_function): Test for VMS_AND_DWARF2_DEBUG.
+       (final_scan_insn): Test for VMS_AND_DWARF2_DEBUG and VMS_DEBUG.
+       * flags.h (debug_info_type): Add VMS_DEBUG and VMS_AND_DWARF2_DEBUG.
+       * toplev.c (compile_file): Test VMS_DEBUGGING_INFO, VMS_DEBUG, and
+       VMS_AND_DWARF2_DEBUG.
+       (rest_of_type_compilation): Test for VMS_AND_DWARF2_DEBUG.
+       (decode_g_option): Add "vms" to debug_type_names.
+       (process_options): Set vmsdbg_debug_hooks if -gvms.
+       (lang_independent_init): Emit line number for VMS unless -g0.
+       * tree.c: (build_complex_type): Test for VMS_AND_DWARF2_DEBUG.
+       * vmsdbg.h, vmsdbgout.c: New files.
+
+Sun Dec  2 09:03:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * cfgbuild.c (SET_STATE): Add cast to eliminate warning.a
+
+2001-12-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cfgrtl.c (purge_all_dead_edges): Initialize variable.
+       * dwarf2out.c (is_cxx): Prototype.
+       * local-alloc.c (block_alloc): Avoid 'unsigned>=0 is always true'
+       warning.
+       * objc/objc-act.c (defer_fn): Avoid signed/unsigned warning.
+
+Sun Dec  2 07:12:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * libgcc2.c (__bb_exit_func): Fix line wrap problems.
+
+2001-12-02  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Simplify.
+       * config/rs6000/rs6000.c (rs6000_emit_move): Use adjust_address
+       rather than simplify_subreg.  Check for volatile-ness.  Check that
+       we're not splitting one slow operation into two slow operations.
+
+2001-12-02  David Edelsohn  <edelsohn@gnu.org>
+
+       * emit-rtl.c (gen_lowpart_common): Cast array element to HOST_WIDE_INT
+       before shifting.
+
+2001-12-02  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (duplicate_decls, push_parm_decl): Remove leading
+       capital from diagnostics.
+       * c-lex.c (cb_file_change): Similarly.
+       * c-parse.in : Similarly.
+       * cfgrtl.c (verify_flow_info): Similarly.
+       * collect2.c: Similarly.
+       * cppfiles.c (find_include_file): Similarly.
+       * cppinit.c (cpp_handle_option): Similarly.
+       * cpplex.c (cpp_spell_token): Similarly.
+       * cppmain.c (do_preprocessing): Similarly.
+       * gcc.c (translate_options, process_command, do_spec1,
+       main, pfatal_execute): Similarly.
+       * genattr.c (main): Similarly.
+       * genattrtab.c (check_attr_test, operate_exp, simplify_test_exp,
+       write_test_expr, main): Similarly.
+       * gencodes.c (main): Similarly.
+       * genconfig.c (main): Similarly.
+       * genconstants.c (main): Similarly.
+       * genemit.c (main): Similarly.
+       * genextract.c (main): Similarly.
+       * genflags.c (main): Similarly.
+       * genopinit.c (main): Similarly.
+       * genoutput.c (process_template, main): Similarly.
+       * genpeep.c (main): Similarly.
+       * genrecog.c (main): Similarly.
+       * gensupport.c (is_predicable, identify_predicable_attribute,
+       alter_predicate_for_insn, init_md_reader_args, main): Similarly.
+       * ggc-page.c (alloc_anon): Similarly.
+       * mips-tfile.c (add_string, add_procedure, add_file, read_line,
+       parse_begin, parse_bend, parse_def, parse_end, parse_file,
+       parse_stabs_common, parse_stabs, write_varray, write_object,
+       read_seek, copy_object, main, error): Similarly.
+       * profile.c (compute_branch_probabilities): Similarly.
+       * reg-stack.c (check_asm_stack_operands): Similarly.
+       * reload.c (find_reloads): Similarly.
+       * reload1.c (spill_failure, failed_reload): Similarly.
+       * rtl-error.c (_fatal_insn_not_found): Similarly.
+       * toplev.c (read_integral_parameter, crash_signal,
+       decode_f_option, set_target_switch, parse_options_and_default_flags)
+       : Similarly.
+       * tradcif.y (parse_number, yylex): Similarly.
+       * tradcpp.c (main, fancy_abort): Similarly.
+       * tree.c (tree_check_failed): Similarly.
+       * varray.c (varray_check_failed): Similarly.
+       * xcoffout.c (xcoff_output_standard_types): Similarly.
+objc:
+       * objc-act.c (get_object_ref, lookup_and_install_protocols,
+       build_objc_string_object, objc_declare_alias, build_ivar_chain,
+       finish_message_expr, build_protocol_expr, is_public,
+       start_class): Similarly.
+
+2001-12-01  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (duplicate_decls, parmlist_tags_warning): Remove
+       trailing period from diagnostics.
+       * c-lex.c (cb_file_change): Similarly.
+       * cppmacro.c (check_trad_stringification): Similarly.
+       * gcc.c (do_spec_1): Similarly.
+       * genattr.c (main): Similarly.
+       * genattrtab.c (main, operate_exp, make_length_attrs): Similarly.
+       * gencodes.c (main): Similarly.
+       * genconfig.c (main): Similarly.
+       * genconstants.c (main): Similarly.
+       * genemit.c (main): Similarly.
+       * genextract.c (main): Similarly.
+       * genopinit.c (main): Similarly.
+       * genoutput.c (main): Similarly.
+       * genpeep.c (main): Similarly.
+       * genrecog.c (main): Similarly.
+       * mips-tfile.c (add_file, error): Similarly.
+       * profile.c (init_branch_prob): Similarly.
+       * reload1.c (spill_failure): Similarly.
+       * stmt.c (parse_output_constraint): Similarly.
+       * varasm.c (assemble_variable): Similarly.
+
+2001-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * m68k.c (init_FPA_table): Provide static prototype.
+       * mips/abi64.h (mips_function_value): Move prototype to ...
+       * mips-protos.h (mips_function_value): ... here.
+       * mips.c: Include halfpic.h.
+       * output.h (rdata_section): Prototype.
+
+       * h8300.c (h8300_asm_named_section): Wrap with !OBJECT_FORMAT_ELF.
+       * m88k.c (m88k_svr3_asm_out_constructor,
+       m88k_svr3_asm_out_destructor): Wrap with CTOR_LIST_BEGIN &&
+       !OBJECT_FORMAT_ELF.
+       * mcore.c (mcore_asm_named_section): Wrap with OBJECT_FORMAT_ELF.
+       * sh.c (sh_asm_named_section): Wrap with !OBJECT_FORMAT_ELF.
+       * sparc.c (sparc_elf_asm_named_section): Wrap with OBJECT_FORMAT_ELF.
+
+2001-12-01  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Complex
+       LO_SUM addresses less than word size are not legitimate,
+       because they lead to invalid SUBREGs.
+       * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
+
+2001-12-01  Olivier Hainque <hainque@act-europe.fr>
+
+       * unroll.c (loop_iterations): Give up on jumps with null JUMP_LABEL
+       while scanning for multiple back edges.
+
+2001-12-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * ginclude/ppc-asm.h (JUMP_TARGET): New macro.
+       * config/rs6000/tramp.asm: Use it.
+
+2001-12-01  Zack Weinberg  <zack@codesourcery.com>
+
+       * gencheck.c, gengenrtl.c: Don't define xmalloc.
+       * gensupport.c: Don't define xstrdup, xcalloc, xrealloc,
+       xmalloc.
+
+2001-11-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (output_ascii): Cast `p' to unsigned char.
+
+2001-11-30  Daniel Berlin  <dan@cgsoftware.com>
+
+       * config/rs6000/rs6000.c (altivec_expand_builtin): add
+       ALTIVEC_BUILTIN_LD_INTERNAL_4sf and ALTIVEC_BUILTIN_ST_INTERNAL_4sf,
+       *_16qi,_8hi, rename existing V4SI ones to *_4si.
+       (altivec_init_builtins): Ditto.
+       (bdesc_2arg): Rename CODE_FOR_* to match changes in MD file.
+
+       * config/rs6000/rs6000.md: Add attribute types vecsimple,
+       veccomplex, vecfloat, and vecperm, for altivec instructions.
+       Modify altivec patterns to use appropriate attribute type.
+       Modify altivec patterns to match RTL operations where appropriate
+       (IE no unspec where we can avoid it).
+       Add vector unit scheduling for ppc7450.
+       Rename patterns to what they are where appropriate
+       (altivec_vaddfp->addv4sf3, etc)
+
+       * config/rs6000/rs6000.h (enum rs6000_builtins): Change VRS->VSR.
+       Pass -mppc, and define _ARCH_PPC, if -mcpu=7450 is used.
+
+       * config/rs6000/sysv4.h: Add -mcpu=7450.
+
+       * testsuite/gcc.dg/altivec-1.c: Update test to take into account renamed
+       _builtin_altivec_ld_interal function.
+
+2001-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * configure.in (AC_CHECK_FUNCS): Delete strtoul, bsearch, popen,
+       strchr, strrchr, isascii, gettimeofday.
+       * config.in, configure: Regenerate.
+
+2001-11-30  Zoltan Hidvegi  <hzoli@hzoli.2y.net>
+
+       * unroll.c (unroll_loop): Correct special exit cases.
+
+2001-11-30  Stephane Carrez  <Stephane.Carrez@sun.com>
+
+       * config/sparc/sparc.c (DF_MODES_NO_S): Fix pr/3623, define to
+       accept DFmode and DImode only.
+
+2001-11-30  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (STARTING_FRAME_OFFSET): Adjust for altivec.
+       (STACK_DYNAMIC_OFFSET): Same.
+
+2001-11-30  Richard Henderson  <rth@redhat.com>
+
+       * c-decl.c (duplicate_decls): Copy DECL_SAVED_TREE.
+
+2001-11-30  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): New.
+       (CONDITIONAL_REGISTER_USAGE): Set call_really_used_registers to
+       the values in call_used_registers.
+
+Fri Nov 30 12:48:26 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * gthr-dce.h: If _DCE_THREADS is not defined, then just include
+       gthr-single.
+
+2001-11-30  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (is_cxx): New fn.
+       (add_data_member_location_attribute): Check it.
+       * dbxout.c (dbxout_type): Only look at BINFO_VPTR_FIELD for C++.
+
+Fri Nov 30 08:26:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Handle const1_rtx.
+
+2001-11-30  Daniel Berlin  <dan@cgsoftware.com>
+
+       * genopinit.c (gen_insn): Handle MODE_VECTOR_INT and
+       MODE_VECTOR_FLOAT as allowed.
+
+2001-11-29  Zack Weinberg  <zack@codesourcery.com>
+
+       Purge cruft now we have build libiberty.
+
+       * Makefile.in (OBSTACK, VFPRINTF, DOPRINT, STRSTR,
+       HOST_OBSTACK, HOST_VFPRINTF, HOST_DOPRINT, HOST_STRSTR,
+       USE_HOST_OBSTACK, USE_HOST_VFPRINTF, USE_HOST_DOPRINT,
+       USE_HOST_STRSTR): Delete variables.
+       (vfprintf.o, doprint.o, strstr.o, splay-tree.o, obstack.o,
+       hashtab.o, safe-ctype.o, $(HOST_PREFIX_1)obstack.o,
+       $(HOST_PREFIX_1)vfprintf.o, $(HOST_PREFIX_1)doprint.o,
+       $(HOST_PREFIX_1)strstr.o), $(HOST_PREFIX_1)): Delete rules.
+       (LIBIBERTY, BUILD_LIBIBERTY): New variables.
+       (LIBDEPS): Now just $(INTLDEPS) $(LIBIBERTY).
+       (LIBS): Now just $(INTLLIBS) @LIBS@ $(LIBIBERTY).
+       (HOST_LIBDEPS): Now just $(BUILD_LIBIBERTY).
+       (HOST_LIBS): Ditto.
+       (HOST_RTL): Remove hashtab.o safe-ctype.o.
+       (OBJS): Remove splay-tree.o.
+       (gen-protos): Depend on $(HOST_LIBS), not ../libiberty/libiberty.a.
+       (distclean): No need to delete splay-tree.c obstack.c
+       hashtab.c safe-ctype.c.
+       (mostlyclean): Delete build copies of print-rtl.c bitmap.c
+       errors.c ggc-none.c (all prefixed with $(HOST_PREFIX_1).
+       * aclocal.m4 (gcc_AC_FUNC_VFPRINTF_DOPRNT, gcc_AC_FUNC_STRSTR):
+       Delete.
+       * configure.in: Don't use them.
+       Set and substitute @FORBUILD@.
+       * config.in, configure: Regenerate.
+       * doprint.c: Move to libiberty/_doprnt.c.
+       * doc/configterms.texi: Document that libiberty is now built
+       up to three times.  Fix typo.
+
+2001-11-30  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (add_data_member_location_attribute): Do the
+       right thing for virtual bases.
+       * dbxout.c (dbxout_type): For a virtual base, print the offset
+       within the vtable.
+
+2001-11-29  Zoltan Hidvegi  <hzoli@hzoli.2y.net>
+
+       * doloop.c (doloop_valid_p): Check for LTU and GTU as well.
+
+2001-11-29  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c (function_arg): Unnamed vector arguments
+       go in memory.
+       Remove unused attribute for named.
+
+2001-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * genattrtab.c (attr_rtx_1): New function containing the
+       majority of `attr_rtx'.  Move variable declarations into the
+       scope where they are used.  Eliminate unnecessary gotos.
+       (attr_rtx): Now just a wrapper for `attr_rtx_1' using VA_OPEN,
+       VA_FIXEDARG, and VA_CLOSE.
+
+2001-11-30  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/cris.c (cris_notice_update_cc): Check first
+       destination also against overlap with cc_status.value2 and second
+       destination against overlap with cc_status.value1.  For overlaps,
+       clear overlapped value, don't just CC_STATUS_INIT.
+
+       * config/cris/cris.h (EXTRA_CONSTRAINT_T): Fix spacing and FIXME.
+       Fix typo in comment.
+       (LINK_SPEC): Remove whitespace at end of line.
+
+2001-11-29  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-lex.c (init_c_lex): Canonicalize "-" filename to "".
+
+2001-11-29  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcc.c (ASM_DEBUG_SPEC): Only check HAVE_AS_G*_DEBUG_FLAG
+       macros for the supported debugging types.
+
+2001-11-29  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR other/4932
+       * config/i386/i386.c (print_operand):  Verify that the
+         argument to %c is a constant and not a conditional which
+         needs to be reversed.
+
+Thu Nov 29 11:12:59 2001  Geoffrey Keating (geoffk@redhat.com)
+
+       * emit-rtl.c (gen_lowpart_common): Fix conversion of
+       REAL_VALUE_TYPEs to an array of target integers.  Fix extraction
+       of low part of those arrays for 32bit and 64bit hosts.
+
+2001-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (insn-output.o): Depend on insn-codes.h.
+
+2001-11-29  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * configure.in (target_list): Add generated-manpages.
+       * configure: Regenerate.
+       * Makefile.in (generated-manpages): Depend on
+       lang.generated-manpages.
+       * objc/Make-lang.in (objc.generated-manpages): New dummy target.
+
+2001-11-29  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/crti.asm (_init): Add .thumb_func if compiled
+       with -mthumb.
+       (_fini): Add .thumb_func if compiled with -mthumb.
+
+2001-11-28  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.c (override_options): Fix thinko in mips_tune
+       for mips32/mips64. Remove MASK_SOFT_FLOAT configuration bits.
+
+Thu Nov 29 00:24:15 EST 2001  John Wehle  (john@feith.com)
+
+       * alpha.md (tablejump): Use pic_offset_table_rtx
+       instead of gen_rtx_REG.
+
+Wed Nov 28 15:36:13 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * expr.c (store_expr): When copying a string constant into an
+       array, reset the known alignment of the MEM for the section to
+       be cleared to BITS_PER_UNIT.
+
+2001-11-28  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/cris.c: Remove whitespace at end of line.
+
+Wed Nov 28 14:51:23 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config.gcc (i[34567]86-*-interix3*): New case.
+       * config/x-interix3, config/interix3.h, config/i386/i386-interix3.h:
+       New files.
+
+2001-11-28  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (sibcall_osf_1, sibcall_value_osf_1): Use
+       symbolic_operand as the predicate.
+
+2001-11-28  Richard Henderson  <rth@redhat.com>
+
+       * doloop.c (doloop_modify_runtime): Properly select induction
+       variable; skip late entry test if biv initializer created by loop.
+
+Wed Nov 28 08:21:47 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.h (EXPR_WFL_LINECOL): Used by Java in node other than
+       EXPR_WITH_FILE_LOCATION, so change checks and documentation.
+
+       * tree.h (TREE_VIA_PROTECTED): Update to show can be in TREE_VEC.
+
+       * tree.h: Add missing checks on some macros; make formatting more
+       consistent.
+
+       * stor-layout.c (put_pending_size): Look for SAVE_EXPR if not at top
+       level; only add to pending_sizes if find it.
+
+       * langhooks.c (lhd_safe_from_p): Add ATTRIBUTE_UNUSED.
+
+       * df.c (iterate_dataflow_sbitmap, iterate_dataflow_bitmap):
+       Add casts to remove warnings.
+
+       * Makefile.in (OBJS): Sort alphabetically.
+
+       * print-rtl.c (print_rtx): If RTX code is bad, just say so.
+       Also minor cleanups.
+
+Wed Nov 28 06:52:27 2001  Arnaud Charlet  <charlet@ACT-Europe.FR>
+
+       * Makefile.in (ORDINARY_FLAGS_TO_PASS): Remove STAGE_PREFIX.
+       (FLAGS_TO_PASS): Add STAGE_PREFIX.
+       (SUBDIR_FLAGS_TO_PASS): Apply PREPEND_DOTDOT_TO_RELATIVE_PATH
+       to STAGE_PREFIX.
+
+Wed Nov 28 10:42:19 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cse.c (true_dependence_in_rtx): New function.
+       (invalidate): Use it.
+
+       * c-common.h (GOTO_FAKE_P): New macro.
+       * tree-inline.c (GOTO_FAKE_P): Set.
+       * c-tree.texi (GOTO_FAKE_P): Document.
+
+       * varasm.c (assemble_variable): Set reloc to 3 for error_mark
+       containing pointers.
+       (output_addressed_constants): Check for local/external relocations.
+       * elfos.h (SELECT_SECTION): Classify data section.
+       * tm.texi (SELECT_SECTION): Update documentation.
+
+       * cfganal.c (flow_dfs_compute_reverse_add_bb): set visited bit.
+       (flow_dfs_compute_reverse_execute): Add only unvisited blocks.
+
+2001-11-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+       UNALIGNED_DOUBLE_INT_ASM_OP): Also provide defaults when we have
+       OBJECT_FORMAT_ROSE.
+
+2001-11-28  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/cris.c: Tweak spacing for prototypes.
+       (LOSE_AND_RETURN): New macro.
+       (cris_operand_lossage): New function.
+       (cris_print_index, cris_print_base): Use cris_operand_lossage
+       rather than fatal_insn.
+       (cris_print_operand, cris_print_operand_address): Use
+       LOSE_AND_RETURN rather than fatal_insn and internal_error.
+       (cris_output_addr_const): Use LOSE_AND_RETURN and
+       output_operand_lossage rather than fatal_insn and internal_error
+       for valid but unexpected rtx expressions.
+
+       * config/cris/cris.c (cris_split_movdx): Don't call alter_subreg
+       for a SUBREG in src or dest, abort instead.
+
+2001-11-28  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
+
+       * doc/passes.texi: Remove reference to c-dump.c. Update tree inlining
+       doc.
+
+2001-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcc.c (ASM_DEBUG_SPEC): Use conditional expression rather than
+       preprocessor define.  If only DBX_DEBUGGING_INFO or only
+       DWARF2_DEBUGGING_INFO is supported for the target, provide
+       appropriate definitions.
+
+2001-11-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in: Update, and add c-objc-common.o dependencies.
+       * c-lang.c: Remove unnecessary includes.
+       (c_init): Move bulk of code to c_objc_common_init, and call it.
+       (c_tree_printer, c_missing_noreturn_ok_p, c_disregard_inline_limits,
+       inline_forbidden_p, c_cannot_inline_tree_fn): Move to
+       c-objc-common.c.
+       * c-objc-common.c: New.  Mostly pulled from c-lang.c.
+       * c-tree.h (c_disregard_inline_limits, c_cannot_inline_fn,
+       c_objc_common_init, c_missing_noreturn_ok_p): New.
+       * toplev.c: Update comment.
+       * doc/passes.texi: Update.
+objc:
+       * objc-act.c (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
+       LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
+       LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Override.
+       (objc_init): Update to use c_objc_common_init.
+
+2001-11-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.c (_cpp_init_hashtable): Update.
+       * cpphash.h (struct spec_nodes): Remove n_L.
+       * cpplex.c (_cpp_lex_direct): Check for prefix L separately.
+
+2001-11-17  Richard Henderson  <rth@redhat.com>
+
+       * unroll.c (loop_iterations): Move last change ...
+       * doloop.c (doloop_modify_runtime): ... here.
+
+2001-11-17  Corey Minyard  <minyard@acm.org>
+           Richard Henderson  <rth@redhat.com>
+
+       * unroll.c (loop_iterations): Detect one situation in which we
+       overestimate the number of iterations.
+
+2001-11-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * gcc.c (set_input): Export.
+       Move declaration ...
+       gcc.h (set_input): ... here.
+
+2001-11-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * gcc.c (set_collect_gcc_options): New function, split out from
+       main.
+       Ignore elided switches.
+       (do_spec): Invoke before executing command.
+       (do_spec_1): Likewise.
+       Fixes PR other/3968.
+
+2001-11-27  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/cris.h (INT_ASM_OP): Remove.
+
+2001-11-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/i386/sol2.h (WINT_TYPE): Redefine.
+       (WINT_TYPE_SIZE): Likewise.
+
+2001-11-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * collect2.c: Check HAVE_DUP2 instead of NO_DUP2.
+       (dup2): Make static and add prototype.
+       * m68k/plexus.h: Don't define NO_DUP2.
+       * configure.in (AC_CHECK_FUNCS): Add dup2.
+       * config.in, configure: Regenerate.
+
+       * ia64/aix.h (REG_SIZE): Don't #undef.
+       * sparc.h (REG_SIZE): Delete.
+       * flow.c (mark_used_regs): Don't use REG_SIZE.
+       * regs.h (REG_SIZE): Delete.
+
+2001-11-27  Andreas Schwab  <schwab@suse.de>
+
+       * gcc.c: Fix typo PREFERRED_DEBUGGING_FORMAT ->
+       PREFERRED_DEBUGGING_TYPE.
+
+Tue Nov 27 08:21:47 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * Makefile.in (c-lang.o): Depends on langhooks-def.h.
+       (expr.o, varasm.o): Depends on langhooks.h.
+       * c-common.c (c_safe_from_p): Always declare.
+       (c_expand_expr): Refine when declared.
+       * c-lang.c (c-common.h): Now include.
+       (LANG_HOOKS_SAFE_FROM_P): Define new hook.
+       (c_init): Don't set lang_safe_from_expr.
+       * expr.c (langhooks.h): Now include.
+       (lang_safe_from_p): No longer define.
+       (safe_from_p): Use lang hook.
+       (expand_expr): Set IGNORE if VOID_TYPE result of VIEW_CONVERT_EXPR too.
+       (expand_expr, case VIEW_CONVERT_EXPR): Pass ro_modifier down.
+       * expr.h (lang_expand_constant, lang_safe_from_p): Delete.
+       * langhooks-def.h (lhd_return_tree, lhd_safe_from_p): New decls.
+       (LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks.
+       * langhooks.c (lhd_return_tree, lhd_safe_from_p): New functions.
+       * langhooks.h (struct lang_hooks): New fields expand_constant
+       and safe_from_p.
+       * output.h (output_constant): Size arg is HOST_WIDE_INT.
+       * stmt.c (expand_decl_init): No longer need to expand constant
+       for CONST_DECL.
+       * stor-layout.c (put_pending_size): Don't check for SAVE_EXPR.
+       * toplev.c (lang_expand_constant): Delete var.
+       * tree.c (save_expr): Don't put another SAVE_EXPR around simple
+       operations on SAVE_EXPR.
+       * varasm.c (langhooks.h): Now include.
+       (compare_constant_1): Use lang_hooks, not lang_expand_constant.
+       (record_constant_1, output_addressed_constants): Likewise.
+       (initializer_constant_valid_p, output_constant): Likewise.
+       (output_constant_def): Process no-defer of string constant.
+       (output_addressed_constants, case ADDR_EXPR): Use handled_component_p.
+       (output_constant): Strip more conversions.
+       Track our size and pad for the rest.
+       (array_size_for_constructor): Remove code for non-byte STRING_CST.
+       (output_constructor): SIZE now HOST_WIDE_INT.
+
+2001-11-27  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (noce_try_store_flag_constants): Test for overflow
+       in computing DIFF.
+
+2001-11-27  Zack Weinberg  <zack@codesourcery.com>
+
+       * cppfiles.c (read_include_file): Add comment.
+
+2001-11-26  Richard Henderson  <rth@redhat.com>
+
+       * toplev.c (rest_of_compilation): Call free_bb_for_insn before exit.
+
+2001-11-26  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/sysv4.h (DBX_DEBUGGING_INFO): Undef.
+       * config/ia64/aix.h (PREFERRED_DEBUGGING_TYPE): Remove
+       commented out override.
+
+2001-11-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (stack_include_file): Don't optimize zero-length
+       files.
+       (read_include_file): NUL-terminate read files.
+       * cpplex.c (handle_newline, skip_escaped_newlines,
+       get_effective_char, skip_whitespace, parse_identifier,
+       parse_identifier_slow, parse_number, parse_string,
+       _cpp_lex_direct): Optimize for the fact that buffers are guaranteed
+       NUL-terminated.
+       * cpplib.c (destringize_and_run, cpp_define, handle_assertion):
+       Be sure buffers are NUL terminated.
+       * cppmacro.c (warn_of_redefinition): Kill compile warning.
+
+2001-11-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c: Include tree-inline.h.
+       (c_language): Move separate definitions here.
+       (c_common_init_options, c_common_post_options): New.
+       (c_common_lang_init): Rename c_common_init.
+       * c-common.h (c_common_lang_init): Similarly.
+       (c_common_init_options, c_common_post_options): New.
+       * c-lang.c (c_post_options): Move body to c_common_post_options.
+       (c_init_options): Use c_common_init_options.
+       (c_init): Update.
+       * langhooks.def: Rearrange.
+       * langhooks.h: Rearrange, and improve comments.
+       * toplev.c (do_compile): New function.
+       (toplev_main): Use it.
+       (lang_independent_f_options, parse_options_and_default_flags,
+       process_options): Remove trailing periods.
+       * Makefile.in: Update.
+objc:  * objc-act.c (objc_post_options, objc_init_options): Use c-common.c
+       functions.
+       (ojbc_init): Update.
+
+2001-11-26  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (unop): Add 0 offset for some gas versions.
+
+2001-11-26  DJ Delorie  <dj@redhat.com>
+
+       * expr.c (store_constructor): Actually use the value computed
+       if WORD_REGISTER_OPERATIONS.
+
+2001-11-26  Richard Henderson  <rth@redhat.com>
+
+       * config/elfos.h (SELECT_SECTION): Don't check TREE_READONLY
+       for CONSTRUCTOR.
+
+2001-11-26  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (output_mi_thunk): Handle minimal-toc and call
+       correct function on AIX.
+
+2001-11-26  Alexandre Oliva  <aoliva@redhat.com>
+
+       * toplev.c (process_options): Don't force
+       flag_optimize_sibling_calls to zero just because exceptions are
+       enabled.
+
+Mon Nov 26 12:37:05 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * df.h (transfer_function_sbitmap): Use PARAMS around argument
+       list in function prototypes.
+       (transfer_function_bitmap): Likewise.
+
+2001-11-26  Loren J. Rittle  <ljrittle@acm.org>
+
+       * config/stormy16/stormy16.h: Remove DEFAULT_VTABLE_THUNKS.
+       * config/i386/netbsd-elf.h: Likewise.
+
+2001-11-26  David Edelsohn  <edelsohn@gnu.org>
+
+       * doc/trouble.texi: Remove outdated RS/6000 comments.
+
+Mon Nov 26 13:49:41 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * final.c (walk_alter_subreg): Fix return value.
+
+Mon Nov 26 11:36:20 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * sparc.c (sparc_absnegfloat_split_legitimate): Do not call
+       alter_subreg.
+       * sparc.md (post-reload splitters): Do not call alter_subreg.
+       * cfgrtl.c (purge_dead_edges): Fix typo in previous fix.
+
+2001-11-25  Aldy Hernandez  <aldyh@redhat.com>
+
+       * regclass.c (choose_hard_reg_mode): Handle vector arguments.
+
+2001-11-26  Alan Modra  <amodra@bigpond.net.au>
+
+       * final.c: (insn_lengths): Make it an int *, so that large jump
+       tables don't overflow.
+
+2001-11-25  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-format.c (FMT_FLAG_DOLLAR_GAP_POINTER_OK): New.
+       (format_types): Use it for scanf.
+       (dollar_arguments_pointer_p): New.
+       (init_dollar_format_checking): Store details of which arguments
+       are pointers.
+       (maybe_read_dollar_number): Reallocate dollar_arguments_pointer_p.
+       (finish_dollar_format_checking): Take extra parameter
+       pointer_gap_ok.  Treat unused arguments differently if
+       pointer_gap_ok and the unused arguments are pointers.
+       (check_format_info_main): Pass extra argument to
+       finish_dollar_format_checking.
+       * doc/invoke.texi (-Wno-format-extra-args): Document behavior when
+       unused arguments are present between used arguments with operand
+       numbers.
+
+2001-11-25  Daniel Berlin  <dan@cgsoftware.com>
+
+       * df.c: Add prototypes for hybrid_search_bitmap and
+       hybrid_search_sbitmap.
+       (hybrid_search_bitmap): New function.
+       (hybrid_search_sbitmap): New function.
+       (iterative_dataflow_sbitmap): Change to use hybrid_search_sbitmap.
+       (iterative_dataflow_bitmap): Ditto.
+
+2001-11-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (peephole2): New peephole2 to optimize
+       address computations.
+
+2001-11-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (d_register_operand): Must accept
+       register b (low part of d).
+
+2001-11-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (FUNCTION_PROFILER): Fix label name
+       passed to mcount.
+
+Sun Nov 25 06:22:09 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/vms-ld.c, config/alpha/vms-cc.c: New files.
+       * config/alpha/x-vms: New file, to compile the above.
+       * config.gcc (alpha*-dec-vms*): Add x-vms.
+
+2001-11-24  Hans-Peter Nilsson  <hp@axis.com>
+
+       * genextract.c (main): Set ro_loc for peepholes.
+
+Sat Nov 24 17:04:10 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * fix-header.c (main): Move inf_buffer termination and inf_limit
+       calculation to after read.
+
+       * config/alpha/xm-vms.h (FILE_TYPE): Remove undef and baggage.
+       (__UNIX_FOPEN): Define.
+
+Sat Nov 24 16:11:00 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (assign_stack_temp_for_type): Clear alias set before
+       setting new one.
+
+2001-11-23  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (print_operand, case 'v'): Use HOST_WIDE_INT_PRINT_HEX
+       format.
+       * rs6000.md (cmptf): Fix typo.
+
+2001-11-23  Richard Sandiford  <rsandifo@redhat.com>
+
+       * final.c (output_addr_const): Output PC as '.' even if !flag_pic.
+       * varasm.c (output_constructor): Use assemble_integer rather
+       than ASM_OUTPUT_BYTE.
+
+2001-11-23  Andreas Jaeger  <aj@suse.de>
+
+       * cpplex.c (cpp_interpret_charconst): Use HOST_WIDE_INT for sign
+       extension.
+
+2001-11-23  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/xscale-coff.h (SUBTARGET_CPU_DEFAULT): Override
+       default definition.
+       (SUBTARGET_EXTRA_ASM_SPEC): Remove previous definition.
+       (MULTILIB_DEFAULTS): Remove previous definition.
+
+2001-11-23  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (warn_of_redefinition): Warn regardless of -pedantic.
+       * gcc.dg/cpp/mi6.c, gcc.dg/cpp/redef2.c: Update.
+
+2001-11-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cris.h: Revert thinko in last patch.
+
+2001-11-23  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog,
+       FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c,
+       cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c,
+       dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h,
+       explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c,
+       sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors.
+
+       * predict.c, reg-stack.c: Fix spelling errors.
+
+2001-10-09  Andrew Haley  <aph@redhat.com>
+
+       * calls.c (check_sibcall_argument_overlap): Use slot_offset for
+       start of stack slot.
+
+2001-11-22  Graham Stott  <grahams@redhat.com>
+
+       * cfgrtl.c (try_redirect_by_replacing_jump): Fix typo, emit
+       replacement jump after original jump.
+
+       (verify_flow_info): Remove redundent initialisation.
+       Handle reaching end of insn list before finding a BARRIER.
+       Only issue one missing barrier diagnostic.
+
+2001-11-22  Graham Stott  <grahams@redhat.com>
+
+       * local-alloc.c (combine_regs): Handle SUBREG_REG being a MEM.
+
+Thu Nov 22 06:49:14 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.md (leave, leave_rex64): Have RTL reflect what
+       insn actually does.
+
+2001-11-22  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * doc/invoke.texi (M32R/D Option Summary): Document -m32r switch.
+       Fix typo -mm32rx=> -m32rx.
+
+       * config/arm/arm.c (arm_elf_asm_named_section): Only build for elf
+       targets.
+
+       * config.gcc (xscale-coff): Add necessary header files to
+       tm_file variable.
+
+2001-11-20  Zack Weinberg  <zack@codesourcery.com>
+
+       * rs6000.c (output_cbranch): Use $, not %$, in output template.
+
+2001-11-21  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
+
+       * tree-dump.c: Rename from c-dump.c. Include c-tree.h, not c-common.h.
+       (lang_type_quals): Declare.
+       (dequeue_and_dump): Use lang_hooks.tree_dump.type_quals function to
+       retrieve language-specific qualifiers for a type node, instead of
+       C_TYPE_QUALS. Likewise for lang_hooks.tree_dump.dump_tree instead of
+       lang_dump_tree.
+       * tree-dump.h: Rename from c-dump.h.
+       * c-common.h (C_TYPE_QUALS): Removed.
+       Move declarations for tree-dump.c interface to...
+       * tree.h: ... here. Remove lang_dump_tree.
+       * langhooks.h (struct lang_hooks_for_tree_dump): New.
+       (struct lang_hooks): Add tree_dump hooks.
+       * langhooks.c (lhd_tree_dump_dump_tree): New function.
+       (lhd_tree_dump_type_quals): New function.
+       * langhooks-def.h (lhd_tree_dump_dump_tree, lhd_tree_dump_type_quals):
+       Declare.
+       (LANG_HOOKS_INITIALIZER): Add tree_dump hooks.
+       * Makefile.in: Move tree-dump.o to language-independent back-end.
+
+2001-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * 1750a.h (DBX_REGISTER_NUMBER): Don't define.
+       * alpha.h (DBX_REGISTER_NUMBER): Likewise.
+       * arc.h (DBX_REGISTER_NUMBER): Likewise.
+       * arm/aout.h (DBX_REGISTER_NUMBER): Likewise.
+       * avr.h (DBX_REGISTER_NUMBER): Likewise.
+       * c4x.h (DBX_REGISTER_NUMBER): Likewise.
+       * clipper.h (DBX_REGISTER_NUMBER): Likewise.
+       * convex.h (DBX_REGISTER_NUMBER): Likewise.
+       * cris.h (DBX_REGISTER_NUMBER): Likewise.
+       * dsp16xx.h (DBX_REGISTER_NUMBER): Likewise.
+       * elxsi.h (DBX_REGISTER_NUMBER): Likewise.
+       * fr30.h (DBX_REGISTER_NUMBER): Likewise.
+       * h8300.h (DBX_REGISTER_NUMBER): Likewise.
+       * i370.h (DBX_REGISTER_NUMBER): Likewise.
+       * i860.h (DBX_REGISTER_NUMBER): Likewise.
+       * i860/paragon.h (DBX_REGISTER_NUMBER): Likewise.
+       * i860/sysv3.h (DBX_REGISTER_NUMBER): Likewise.
+       * i860/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
+       * m32r.h (DBX_REGISTER_NUMBER): Likewise.
+       * m68hc11.h (DBX_REGISTER_NUMBER): Likewise.
+       * m88k.h (DBX_REGISTER_NUMBER): Likewise.
+       * mcore/mcore-elf.h (DBX_REGISTER_NUMBER): Likewise.
+       * mcore.h (DBX_REGISTER_NUMBER): Likewise.
+       * mn10200.h (DBX_REGISTER_NUMBER): Likewise.
+       * mn10300.h (DBX_REGISTER_NUMBER): Likewise.
+       * pdp11.h (DBX_REGISTER_NUMBER): Likewise.
+       * romp.h (DBX_REGISTER_NUMBER): Likewise.
+       * rs6000.h (DBX_REGISTER_NUMBER): Likewise.
+       * rs6000/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
+       * s390/linux.h (DBX_REGISTER_NUMBER): Likewise.
+       * stormy16.h (DBX_REGISTER_NUMBER): Likewise.
+       * v850.h (DBX_REGISTER_NUMBER): Likewise.
+       * vax.h (DBX_REGISTER_NUMBER): Likewise.
+       * we32k.h (DBX_REGISTER_NUMBER): Likewise.
+
+       * defaults.h (DBX_REGISTER_NUMBER): Provide a default.
+       * doc/tm.texi (DBX_REGISTER_NUMBER): Update.
+
+2001-11-21  H.J. Lu <hjl@gnu.org>
+
+       * config/rs6000/sysv4.h (LIB_SPEC): Fix a typo.
+
+2001-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * s390.c (s390_va_arg): Eliminate ALIGN parameter in call to
+       emit_cmp_and_jump_insns.
+
+       * stormy16.c (xstormy16_expand_builtin_va_arg,
+       xstormy16_expand_casesi): Likewise.
+
+Wed Nov 21 17:37:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (keep_stack_depressed): Major rework.
+       (handle_epilogue_set, emit_equiv_load): New functions.
+       (thread_prologue_and_epilogue_insns): keep_stack_depressed now
+       has return value.
+       * jump.c (returnjump_p_1): Also return 1 if SET with SET_IS_RETURN_P.
+       * rtl.h (SET_IS_RETURN_P): New macro.
+
+       * expr.c (expand_expr, case VIEW_CONVERT_EXPR): Refine slightly
+       and also support TREE_ADDRESSABLE.
+       * tree.def (VIEW_CONVERT_EXPR): Document TREE_ADDRESSABLE.
+
+2001-11-21  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.md (cmptf_internal1): Replace %$ with $.
+
+Wed Nov 21 16:44:01 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * cppfiles.c (STAT_SIZE_TOO_BIG): Define.
+       (read_include_file): Use STAT_SIZE_TOO_BIG.
+
+       * cppinit.c (INO_T_COPY): Define.
+       (INO_T_EQ): Uppercase parameters.
+       (append_include_chain): Use INO_T_COPY.
+
+2001-11-21  Richard Sandiford  <rsandifo@redhat.com>
+
+       * cfg.c: Fix typos and formatting in the introductory comment.
+
+Wed Nov 21 12:38:37 CET 2001  Jan Hubicka
+
+       * profile.c (compute_branch_probabilites):  Compute probabilities
+       for entry/exit edges; estimate probabilities for zero counts.
+
+2001-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+       * explow.c (probe_stack_range): Use LCT_NORMAL as second argument
+       to emit_library_call.
+       * function.c (expand_main_function, expand_function_start,
+       expand_function_end): Likewise.
+       * profile.c (output_func_start_profiler): Likewise.
+       * stmt.c (expand_nl_goto_receivers): Use LCT_NORETURN as
+       second argument to emit_library_call.
+       * optabs.c (prepare_cmp_insn): Use LCT_CONST_MAKE_BLOCK
+       as second argument to emit_library_call.
+       * calls.c (emit_library_call): Update fn_type description.
+
+2001-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-decl.c (c_expand_deferred_function): Only call c_expand_body
+       if fndecl is still DECL_INLINE and has DECL_RESULT.
+
+2001-11-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * clipper.c (clipper_movstr): Avoid uninitialized warning.
+       * i960.c (is_mask, legitimize_address): Likewise.
+       * m88k.c (m88k_expand_prologue): Likewise.
+       * m88k.md: Likewise.
+       * mcore.c (emit_new_cond_insn): Likewise.
+       * stormy16.c (xstormy16_emit_cbranch): Likewise.
+
+2001-11-20  Zack Weinberg  <zack@codesourcery.com>
+
+       * config.gcc: Delete powerpcle-*-solaris2* stanza.
+       * config/rs6000/eabi.asm, config/rs6000/rs6000.c,
+       config/rs6000/rs6000.h, config/rs6000/rs6000.md,
+       config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
+       config/rs6000/sysv4.h, config/rs6000/t-ppccomm,
+       config/rs6000/t-ppcos: Expunge all references to Solaris.
+
+       * config/rs6000/sol-c0.c, config/rs6000/sol2.h: Delete.
+
+       * config/rs6000/rs6000.md: Replace '%$' with '$' in all
+       output templates.
+       * config/rs6000/rs6000.h: Define DEFAULT_PCC_STRUCT_RETURN to 0,
+       and change RETURN_IN_MEMORY to just check AGGREGATE_TYPE_P.
+
+2001-11-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sh.md: Avoid uninitialized warnings.
+       * vax.c (vax_rtx_cost): Likewise.
+
+2001-11-15  Aldy Hernandez  <aldyh@redhat.com>
+
+       * rs6000.c (direct_return): Check if we are saving altivec
+       registers.
+       (first_altivec_reg_to_save): New.
+       Updated stack frame layout comments.
+       (rs6000_stack_info): Calculate altivec register save size.
+       Save link register if we saved some altivec registers.
+       (rs6000_stack_info): Align save size to 16 if altivec abi or
+       abi_darwin.
+       (rs6000_stack_info): Calculate altivec register offsets.
+       (rs6000_stack_info): Add altivec info to save_size.
+       (debug_stack_info): Add altivec debug info.
+       (rs6000_emit_prologue): Save altivec registers and vrsave.
+       (compute_vrsave_mask): New.
+       (altivec_expand_builtin): Remove unused variables.
+       (rs6000_parse_abi_options): Add static qualifier.
+       (rs6000_expand_builtin): Remove unused parameters.
+       (altivec_expand_builtin): Cast bdesc_2arg to get rid of warning.
+       (altivec_init_builtins): Same.
+       (is_altivec_return_reg): New.
+       (vrsave_operation): New.
+       (ALTIVEC_REG_BIT): New.
+       (generate_set_vrsave): New.
+
+       * rs6000.md (get_vrsave): New.
+       (set_vrsave): New.
+       (*set_vrsave_internal): New.
+
+       * rs6000.h (rs6000_stack): Add first_altivec_reg_save,
+       altivec_save_offset, vrsave_save_offset, altive_size, vrsave_size,
+       altivec_padding_size, vrsave_mask.
+       (TOTAL_ALTIVEC_REGS): New.
+       (EPILOGUE_USES): Add VRSAVE_REGNO.
+
+2001-11-20  Jeff Law <law@redhat.com>
+
+       * unroll.c (copy_loop_body): Update LABEL_NUSES for the
+       exit label as necessary.
+
+2001-11-20  Brad Kaiser  <bkaiser@acelink.net>
+
+       * reload1.c (elimination_effects): Use function_invariant_p
+       instead of CONSTANT_P when considering register equivalences.
+
+2001-11-20  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc: Add FreeBSD/PowerPC target.
+       (powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*,
+       powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*,
+       powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*,
+       powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*,
+       powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*,
+       powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*): Add
+       freebsd-spec.h to tm_file.
+       (rs6000-*-lynxos*): Add lynx.h to tm_file.
+       * config/freebsd.h: Tidy up.
+       (USING_CONFIG_FREEBSD): Define.
+       (FBSD_SWITCH_TAKES_ARG, FBSD_WORD_SWITCH_TAKES_ARG,
+       FBSD_CPP_PREDEFINES, FBSD_CPP_SPEC, FBSD_STARTFILE_SPEC,
+       FBSD_ENDFILE_SPEC, FBSD_LIB_SPEC): Remove (moved to freebsd-spec.h).
+       (TARGET_HAS_F_SETLKW): Define.
+       (ASM_OUTPUT_IDENT): Delete, the elfos.h definition is fine.
+       * config/freebsd-spec.h: New file.
+       * config/rs6000/freebsd.h: New file.
+       * config/rs6000/rs6000.h (TARGET_VERSION): Do not define.
+       * config/rs6000/rs6000.c: Test for USING_ELFOS_H rather than
+       USING_SVR4_H to know when to turn on ELF support.
+       * config/rs6000/sysv4.h (TARGET_VERSION, CPP_PREDEFINES): Don't undef,
+       define only if not already defined.
+       Add FreeBSD support.
+       * config/rs6000/aix.h (TARGET_VERSION): Define.
+       * config/rs6000/beos.h: Likewise.
+       * config/rs6000/darwin.h: Likewise.
+       * config/rs6000/mach.h: Likewise.
+       * config/rs6000/lynx.h (TARGET_VERSION): Likewise.
+       Don't include lynx.h directly.
+
+2001-11-20  Graham Stott  <grahams@redhat.com>
+
+       * unwind-dw2-fde.c (__deregister_frame_info_bases):
+       Fix lossage in last change return OB.
+
+Tue Nov 20 11:56:12 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/xm-vms.h (_POSIX_EXIT): Define.
+       Remove unneeded exit related macros.
+
+2001-11-20  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (rs6000_emit_eh_toc_restore): Remove ALIGN parm.
+
+       * rs6000.c (rs6000_emit_move): Add TFmode case.
+       * sysv4.h (MASK_LONG_DOUBLE_128, TARGET_LONG_DOUBLE_128,
+       LONG_DOUBLE_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
+       LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Move from here...
+       * rs6000.h: ... to here.
+       * rs6000.md (movtf, extenddftf2, extendsftf2, trunctfdf2,
+       trunctfsf2, floatditf2, floatsitf2, fix_trunctfdi2,
+       fix_trunctfsi2, negtf2, abstf2, nabstf2, cmptf): New patterns.
+
+Tue Nov 20 06:41:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (get_mem_attrs): Fix typo.
+
+2001-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-lang.c (finish_file): Backout 2001-11-16
+       changes, instead set DECL_DEFER_OUTPUT for static inline functions
+       before calling c_expand_deferred_function.
+
+2001-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * unwind-dw2-fde.c (__register_frame_info_bases, __register_frame):
+       Don't register empty .eh_frame sections.
+       (__deregister_frame_info_bases, __deregister_frame): Don't
+       unregister them either.
+
+2001-11-19  Geoffrey Keating  <geoffk@redhat.com>
+
+       * configure.in (HAVE_AS_GDWARF2_DEBUG_FLAG): Define.
+       (HAVE_AS_GSTABS_DEBUG_FLAG): Define.
+       * configure: Regenerate.
+       * config.in: Add dummy definitions of new flags.
+       * toplev.c (PREFERRED_DEBUGGING_TYPE): Move definition to...
+       * defaults.h (PREFERRED_DEBUGGING_TYPE): ... here.
+       * gcc.c (ASM_DEBUG_SPEC): New macro.
+       (asm_debug): New static variable.
+       (default_compilers): Add asm_debug when assembling from
+       user input.
+       (static_specs): Add asm_debug.
+
+2001-11-20  Loren J. Rittle  <ljrittle@acm.org>
+
+       * config.gcc (*-*-freebsd*): Remove configuration block.
+
+2001-11-19  Loren J. Rittle  <ljrittle@acm.org>
+
+       bootstrap/4422
+       * configure.in: Setup ability to run ./stage[1234]/xgcc in
+       fixinc *as if* it were a proper lang subdirectory.
+       * configure: Rebuilt.
+
+2001-11-19  Loren J. Rittle  <ljrittle@acm.org>
+
+       * config/freebsd.h: Remove DEFAULT_VTABLE_THUNKS (again).
+
+2001-11-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * 1750a.md: Don't use hex format for a const_int.
+
+2001-11-19  Geoffrey Keating  <geoffk@redhat.com>
+
+       * expmed.c (extract_bit_field): Don't create invalid SUBREGs.
+
+2001-11-19  Zack Weinberg  <zack@codesourcery.com>
+
+       * mkconfig.sh: Undefine ENABLE_NLS if GENERATOR_FILE is
+       defined (prevents link errors when gettext isn't in the system
+       library).
+
+2001-11-19  DJ Delorie  <dj@redhat.com>
+
+       * read-rtl.c (ISDIGIT, ISSPACE): Make sure we have these.
+       (validate_const_int): New.
+       (read_rtx): Validate constant integers.
+       * config/i386/i386.md (pmulhrwv4hi3): Use decimal constants.
+
+2001-11-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * doc/hostconfig.texi (DUMPFILE_FORMAT): Move into the table.
+
+Mon Nov 19 16:57:44 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * toplev.c (DUMPFILE_FORMAT): Define default.
+       (open_dump_file): Use DUMPFILE_FORMAT in sprintf.
+       (close_dump_file, compile_file): Likewise.
+       * config/alpha/xm-vms.h (DUMPFILE_FORMAT): Define.
+       * doc/hostconfig.texi (DUMPFILE_FORMAT): Document
+
+2001-11-19  Jeff Law <law@redhat.com>
+
+       * gcse.c (cprop_jump): Clear JUMP_LABEL field when we create
+       a nop-jump.
+
+2000-11-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (_cpp_backup_tokens): Revert previous check-in.
+       Don't fall off the base token run.
+
+2001-11-19  Jason Wilkins <fenix@io.com>
+
+       * Makefile.in: Use INSTALL_SCRIPT not INSTALL_PROGRAM.
+
+Mon Nov 19 15:13:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.def (VIEW_CONVERT_EXPR): New tree code.
+       * tree.h (handled_component_p): New declaration.
+       * alias.c (handled_component_p): Move function from here ...
+       * expr.c (handled_component_p): ... to here and non longer static.
+       (is_zeros_p, case VIEW_CONVERT_EXPR): New case.
+       (store_field): Remove unneeded MEM_COPY_ATTRIBUTES call.
+       (get_inner_reference): Handle VIEW_CONVERT_EXPR.
+       (expand_expr, case VAR_DECL): Clean up handling of re-layout case.
+       (expand_expr, case VIEW_CONVERT_EXPR): New case.
+       (expand_expr, cse ADDR_EXPR): No need to copy if already
+       BIGGEST_ALIGNMENT.
+       * fold-const.c (fold, case VIEW_CONVERT_EXPR): New case.
+       * varasm.c (initializer_constant_value_p, case VIEW_CONVERT_EXPR): New.
+       (output_constant): Handle VIEW_CONVERT_EXPR.
+       * dwarf2out.c (loc-descriptor_from_tree, add_bound_info):
+       Add new case for VIEW_CONVERT_EXPR.
+
+2001-11-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * a29k/unix.h (ASM_FILE_START): Const-ify.
+       * i386/beos-elf.h (INCLUDE_DEFAULTS): Remove semi-colon.
+       * i386/isc.h (ASM_FILE_START): Const-ify.
+       * i386/sun386.h (ASM_FILE_START): Likewise.
+       * m32r.md: Likewise.
+       * m68k/auxas.h (ADDITIONAL_REGISTER_NAMES): Add missing brackets.
+       * m68k/auxgas.h ADDITIONAL_REGISTER_NAMES): Likewise.
+       * m68k/tower.h (REGISTER_NAMES): Remove semi-colon.
+       * mn10200.md: Initialize variable.
+
+Mon Nov 19 18:06:21 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (try_replace_reg): Copy RTX before creating note.
+
+       * df.h (df_ref_flags): New uenum.
+       (DF_REF_FLAGS): New macro.
+       (struct ref): Add field "flags".
+       * df.c (HANDLE_SUBREG): Remove.
+       (df_ref_create): Likewise; set flags field of ref.
+       (df_def_record_1): Strip down read_write subreg; remove
+       commented out code; set READ_WRITE flag.
+       (read_modify_subreg_p): New static function.
+       (df_uses_record): Cleanup SET handling; set READ_WRITE flag;
+       new argument "flags".
+       (df_insn_refs_record): Update call of df_uses_record.
+       (df_insn_modify): Avoid #if 0 around comment.
+       (df_dump): Dump the read/write flag.
+
+       * predict.c (propagate_freq): Make cyclic_probability and frequency
+       volatile
+
+       * i386.c (ix86_cc_mode): Accept USE.
+
+       * cfgrtl.c (purge_dead_edges):  Cleanup EDGE_ABNORMAL flag if computed
+       jump is turned into simplejump.
+
+2001-11-19  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/fragments.texi, doc/trouble.texi: Remove links to old
+       installation chapter.
+       * doc/gcc.texi: Don't claim that this manual documents
+       installation.  Mark Installation menu entry as being out of date.
+
+Mon Nov 19 07:21:35 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/xm-vms.h: Don't define macros that autoconf handles.
+       (SUCCESS_EXIT_CODE, FATAL_EXIT_CODE): Define for posix compatibility.
+       * gcc.c (exit): Remove definition for VMS; moved to xm-vms.h.
+
+2001-11-19  Jason Merrill  <jason@redhat.com>
+
+       * cppmacro.c (_cpp_backup_tokens): Pop cur_run before decrementing
+       cur_token, not after.
+
+       * config/clipper/clix.h, config/h8300/elf.h, config/mips/linux.h:
+       Lose ASM_OUTPUT_CONSTRUCTOR.
+       * system.h: Poison it and INT_ASM_OP.
+       * c-lang.c (finish_file): Don't check for it.
+       * libgcc2.c (L_ctors): Check TARGET_ASM_CONSTRUCTOR instead.
+
+2001-11-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * mmix.c (mmix_cc1_ignored_option): Const-ify.
+       (mmix_init_machine_status): Make static to match declaration.
+       (mmix_unique_section): Const-ify.
+       (mmix_output_quoted_string): Avoid automatic aggregate
+       initialization.
+       (mmix_output_register_setting): Likewise.
+       (mmix_output_shiftvalue_op_from_str): Likewise.
+
+       * mmix.h (mmix_cc1_ignored_option): Const-ify.
+       (ASM_OUTPUT_BYTE): Fix format specifier warning.
+       (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+
+2001-11-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR c/4448
+       * gthr-win32.h: (__gthread_objc_thread_exit): Fix variable
+       name __objc_thread_exit_status so that it matches the
+       variable defined in objc/thr.h.
+
+2001-11-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR bootstrap/4020
+       * mklibgcc.in: Add missing semi-colons.
+       * Makefile.in: Same.
+
+Sun Nov 18 16:47:00 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_expr, case VAR_DECL): Update alignment of DECL_RTL
+       after re-laying out decl in incomplete case.
+       (expand_expr, case ADDR_EXPR): Fix typo in copy case.
+
+2001-11-18  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install-old.texi: Move some sections out to ...
+       * doc/collect2.texi, doc/configfiles.texi, doc/headerdirs.texi:
+       ... here.  New files.  Make into chapters rather than sections.
+       * doc/gcc.texi: Include the new files and add menu entries for
+       them.
+       * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+Sun Nov 18 14:13:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.h (TYPE_ALIGN_OK): New flag.
+       * emit-rtl.c (set_mem_attributes): Handle it.
+       * expr.c (emit_single_push_insn): Only set to alias set 0 if
+       doing sibcall optimization.
+       (expand_expr, case COMPONENT_REF): Call set_mem_attributes on case
+       when make temporary.
+       (expand_expr, case CONVERT_EXPR): Simplify convert-to-union case.
+       (expand_expr, case ADDR_EXPR): Abort if TYPE_ALIGN_OK and need copy.
+
+       * sdbout.c (sdbout_symbol): Avoid warning due to &DECL_RTL.
+
+2001-11-18  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-decl.c (c_decode_option): Give deprecation warning for
+       -traditional.
+       * doc/invoke.texi (-traditional): Note that this option is
+       deprecated.
+
+Sun Nov 18 07:40:07 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/alpha.c (alpha_start_function, VMS): Cast shift
+       arg to HOST_WIDE_INT, not long.
+
+       * config/alpha/vms.h (DIR_SEPARATOR, PREFIX). Don't define.
+       (HAS_INIT_SECTION): Define.
+       (REAL_ARITHMETIC): Don't undefine.
+
+2001-11-18  Egor Duda  <deo@logos-m.ru>
+
+       * config/i386/cygwin.h: Strip leading '*' from name, if any.
+
+2001-11-18  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (c-parse.o, c-common.o): Update dependencies.
+       * c-common.c: Include diagnostic.h.
+       (c_common_finish): New.
+       * c-common.h (c_common_finish): New.
+       * c-lang.c (LANG_HOOKS_FINISH): Override.
+       * c-parse.in: Don't include diagnostic.h.
+       (finish_parse): Remove.
+       * langhooks.h: Update comments.
+       * toplev.c (lang_dependent_init): New prototype.
+       (finalize): New.
+       (compile_file): Split cleanup code out to finalize.
+       (lang_dependent_init): Stop if lang_hooks.init fails.
+       (toplev_main): Update.
+       * tree.h (finish_parse): Remove.
+objc:
+       * objc-act.c (LANG_HOOKS_FINISH): Override.
+
+Sat Nov 17 23:30:44 2001  Douglas B. Rupp  <rupp@gnat.com>
+
+       * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms_tramp.asm.
+       * config/alpha/vms_tramp.asm: New file.
+       * config/alpha/vms-tramp.asm: Removed.
+
+2001-11-18  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (struct disabled_builtin, disabled_builtins,
+       disable_builtin_function, builtin_function_disabled_p): New.
+       (builtin_function_2): Check for disabled built-in functions.
+       * c-common.h (disable_builtin_function): Declare.
+       * c-decl.c (c_decode_option): Handle -fno-builtin-FUNCTION.
+       * doc/invoke.texi: Document -fno-builtin-FUNCTION.
+       * doc/extend.texi: Mention -fno-builtin-FUNCTION.
+
+2001-11-17  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR target/4606
+       * config.gcc: Remove reference to va-clipper.h.
+
+2001-11-17  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix the
+       AltiVec-related bitfields.
+
+Sat Nov 17 12:06:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * except.c (enum eh_region_type): Add ERT_UNKNOWN.
+       (mark_eh_region, case ERT_UKNONW): New case.
+
+2001-11-17  Christopher Faylor  <cgf@redhat.com>
+           Corinna Vinschen  <vinschen@redhat.com>
+
+       * config/i386/cygwin.h: Search target specific include directory for
+       w32api stuff, if appropriate.
+
+Sat Nov 17 08:20:44 2001  Douglas Rupp  <rupp@gnat.com>
+
+       * config/alpha/vms.h (REG_ALLOC_ORDER): Redefine.
+
+2001-11-16  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.md: Change all ldvx to lvx.
+
+2001-11-16  Alexandre Oliva  <aoliva@redhat.com>
+
+       * gensupport.c (process_rtx): Don't assume filename is the first
+       argument of any rtl.
+
+2001-11-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * vax-protos.h (reg_was_0_p): New prototype.
+       * vax.md (movsi, movhi, movqi): Use reg_was_0_p.
+       * vax.c (follows_p, reg_was_0_p): New functions.
+
+2001-11-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * vax.md (casesi): Swap arguments in "(plus:SI (pc) (mult))". Reformat.
+       (casesi1): Likewise.  Define new pattern which arises by simplification
+       when operand 1 is a constant int.  Correct pattern which arises by
+       simplification when operand 1 is zero.
+
+2001-11-16  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (arm*-*-rtems*, arm-*-coff*, armel-*-coff*,
+       arm-*-vxworks*, arm-*-riscix1.[01]*, arm-*-riscix*,
+       arm-semi-aout, armel-semi-aout, arm-semi-aof, armel-semi-aof,
+       arm*-*-netbsd*, arm*-*-linux*, arm*-*-uclinux*, arm*-*-aout,
+       arm*-*-ecos-elf, arm*-*-elf, arm*-*-conix*, arm*-*-oabi,
+       arm-*-pe*, strongarm-*-elf*, strongarm-*-coff*, strongarm-*-pe,
+       xscale-*-elf, xscale-*-coff: Include various CPU headers via tm_file.
+       * config/arm/aof.h: Don't include arm.h.
+       * config/arm/aout.h: Likewise.
+       * config/arm/coff.h: Don't include semi.h and aout.h.
+       * config/arm/elf.h: Don't include aout.h.
+       * config/arm/netbsd.h: Don't include netbsd.h and aout.h.
+       (TARGET_VERSION): Undef before defining.
+       (ARM_OS_NAME): Likewise
+       (TARGET_DEFAULT): Likewise
+       (TARGET_MEM_FUNCTIONS): Do not need to undefine now.
+       * config/arm/pe.h: Don't include arm/coff.h.
+       * config/arm/riscix.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Use
+       SUBTARGET_CPP_SPEC rather than overiding the arm.h CPP_SPEC definition.
+       * config/arm/riscix1-1.h: Likewise.
+       * config/arm/rix-gas.h: Don't include riscix.h.
+       (DBX_CONTIN_LENGTH): Undef before defining.
+       * config/arm/semi.h: Don't include aout.h.
+       * config/arm/semiaof.h: Don't include aof.h.
+       * config/arm/strongarm-coff.h: Don't include coff.h.
+       * config/arm/strongarm-pe.h: Don't include strongarm-coff.h and pe.h.
+       * config/arm/vxarm.h: Don't include arm/coff.h.
+       * config/arm/xscale-coff.h: Don't include coff.h.
+
+Fri Nov 16 15:22:35 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/pa/pa.c: Reflect changes in calling sequences of alter_reg and
+       emit_cmp_insn.
+
+2001-11-16  Andreas Jaeger  <aj@suse.de>
+
+       * cfglayout.c (fixup_fallthru_exit_predecesor): Make void, rename
+       to ....
+       (fixup_fallthru_exit_predecessor): ... this.
+       Change callers and prototype.
+
+2001-11-16  Bernd Schmidt  <bernds@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_sse_comi): Generate setcc by
+       hand; don't use gen_setcc_2.
+       (ix86_expand_builtin): Fix pshufw.
+       * config/i386/i386.md (maskncmpv4sf3, vmmmaskncmpv4sf3): Special
+       case UNORDERED to emit the right assembler instruction.
+       (mmx_pshufw): Lose operand 2.
+       (cvtsi2ss): Fix representation.
+       From Graham Stott:
+       (mmx_clrdi, sse_clrti, stmxcsr, ldmxcsr): Set memory attribute.
+
+2001-11-16  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/include/linux-and-gnu.texi: Remove.
+       * doc/gnu.texi: New.
+       * doc/gcc.texi: Include gnu.texi instead of linux-and-gnu.texi.
+       * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+2001-11-16  Kazu Hirata  <kazu@hxi.com>
+
+       * config/a29k/a29k.c: Fix comment formatting.
+       * config/a29k/a29k.h: Likewise.
+       * config/arc/arc.c: Likewise.
+       * config/arc/arc.h: Likewise.
+       * config/vax/vax.c: Likewise.
+       * config/vax/vax.h: Likewise.
+       * config/we32k/we32k.c: Likewise.
+       * config/we32k/we32k.h: Likewise.
+
+2001-11-16  Jeff Law  <law@redhat.com>
+
+       * unroll.c (copy_loop_body): Initialize JUMP_LABEL field after
+       creating a new jump insn.
+
+Fri Nov 13 09:06:25 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_expr, case ADDR_EXPR): Refine test for when to
+       copy misaligned data.
+       * varasm.c (assemble_variable): Set alignment into MEM when changed.
+
+2001-11-16  Graham Stott  <grahams@redhat.com>
+
+       * optabs.c (prepare_cmp_insn): Correct lossage in last change fix
+       OPALIGN type.
+
+2001-11-16  Olivier Hainque <hainque@act-europe.fr>
+
+       * except.c: Support for catching a list of types with a single handler
+       (struct eh_region): Change type and filter to lists for catch regions.
+       (mark_eh_region): Mark the filter list for GC also.
+       (expand_start_catch): Always build a list if argument not NULL and
+       register each type of the list through add_type_for_runtime.
+       (duplicate_eh_region_1): Change type into type_list for catch regions.
+       (assign_filter_values): Assign a filter to each type associated with a
+       catch region. Assign filter for NULL types in a unique entry in the
+       filter list.
+       (build_post_landing_pads): Emit compare and jump for each filter of
+       the list associated with a catch region.
+       (reachable_next_level): When the type thrown is known, stop the search
+       as soon as one type within a catch list matches. Also, a handler is
+       potentially reachable only if at least one of the types it catches
+       has not been previously caught.
+       (collect_one_action_chain): Retrieve the filter for a NULL type list
+       from the first filter list entry. For non NULL type lists, add an
+       action record for every filter assigned.
+       * except.h: Reflect changes in comment before expand_start_catch.
+
+Fri Nov 16 07:12:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_expr, case ADDR_EXPR): Only copy for misaligned if
+       BLKmode.
+
+Fri Nov 16 06:37:05 2001  Andreas Tobler  <a.tobler@schweiz.ch>
+
+       * config/sparc/sparc.c: Remove ALIGN arg from emit_cmp_insn.
+
+2001-11-16  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-lang.c (finish_file): Don't emit static inline functions if
+       they weren't referenced.
+
+2001-11-15  Stan Shebs  <shebs@apple.com>
+
+       * expr.c (expand_expr, case COMPONENT_REF): Fix variable ref.
+
+2001-11-16  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
+
+       * config/s390/s390.md: Remove ALIGN arg from emit_cmp_and_jump_insns
+       call.
+       * config/i386/i386.md: Likewise.
+
+Thu Nov 15 21:40:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * timevar.c (rtl.h): Include so get fancy abort.
+
+2001-11-15  Dale Johannesen  <dalej@apple.com>
+
+       * config/darwin.h (SELECT_RTX_SECTION):  Force address
+       initializers into 'const' section
+       * config/rs6000/rs6000.c (rs6000_emit_cmove):  Fix mode of
+       if_then_else to match result, not operands
+
+Thu Nov 15 17:57:48 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (nonoverlapping_memrefs): Use REGNO_PTR_FRAME_P.
+       * emit-rtl.c (change_address): Fix typo in default alignment.
+       (adjust_address_1): Use mode of NEW, not MODE, when setting size.
+       * expr.c (highest_pow2_factor, case WITH_RECORD_EXPR): New case.
+       * rtl.h (REGNO_PTR_FRAME_P): New macro.
+
+       * expr.c (store_field): Pass tree instead of max size; callers changed.
+       Change handling of alignment.
+       Only copy to_rtx if is TARGET.
+       (expand_expr_unaligned): Delete; callers now use expand_expr.
+       (emit_cmp_insn): No longer take ALIGN parm; all callers changed.
+       (expand_assignment): Change handling of alignment.
+       Only copy to_rtx if was original.
+       (get_inner_reference): No longer return alginment; callers changed.
+       (expand_expr, case COMPONENT_REF): Change handling of alignment.
+       (expand_expr, case ADDR_EXPR): Make copy if not sufficiently aligned.
+       (compare_from_rtx): Delete ALIGN parm; all callers changed.
+       (do_compare_rtx_and_jump): Likewise.
+       * expr.h: Reflect above changes.
+       * tree.h: Likewise.
+       * dwarf2out.c (loc_descriptor_from_tree): Remove ALIGN parameter
+       to get_inner_reference.
+       * builtins.c: Remove ALIGN parm in call to emit_cmp_and_jump_insns.
+       * doloop.c, except.c, explow.c, loop.c, stmt.c, unroll.c: Likewise.
+       * optabs.c: Likewise.
+       (prepare_cmp_insn): Now static; remove ALIGN parm.  Callers changed.
+       (emit_cmp_and_jump_insns): Remove ALIGN parm; all callers changed.
+       * expmed.c: Remove ALIGN arg from calls to compare_from_rtx,
+       compare_rtx_and_jump, and emit_cmp_jump_insns.
+       * fold-const.c: Remove PALIGN in calls to get_inner_reference.
+       * function.c (assign_stack_temp_for_type): No longer static.
+       * optabs.h (emit_cmp_insn): Remove ALIGN parm.
+       (prepare_cmp_insn): Delete declaration.
+       * rtl.h (assign_stack_temp_for_type): Add declaration.
+       * config/alpha/alpha.c, config/d30v/d30v.c: Reflect above changes.
+       * config/clipper/clipper.c, config/h8300/h8300.c: Likewise.
+       * config/i386/i386.c,config/mips/mips.c: Likewise.
+       * config/i860/i860.c, config/ia64/ia64.c: Likewise.
+       * config/rs6000/rs6000.c, config/sh/sh.c: Likewise.
+
+2001-11-15  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/rs6000.h: Fix a comment typo.
+       (RTX_COSTS): Sort processor versions better.
+
+2001-11-15  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md: Fix insn length of bit insns.
+
+2001-11-15  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (dwarf2out_finish): Don't abort because of orphan
+       DIEs if there were errors in the source.
+
+       * config/alpha/alpha-interix.h, config/alpha/elf.h,
+       config/arm/coff.h, config/i386/djgpp.h, config/i386/i386.c,
+       config/i386/i386.h, config/i386/sco5.h, config/i960/i960-coff.h,
+       config/m68k/coff.h, config/m88k/m88k.h, config/m88k/m88k.c,
+       config/pa/pa64-hpux.h, config/sh/sh.h, config/sparc/litecoff.h,
+       config/elfos.h, config/lynx.h, config/netware.h,
+       config/m68hc11/m68hc11.h, config/mcore/mcore-pe.h,
+       config/s390/linux64.h: Remove definitions of INT_ASM_OP, change
+       uses to use ASM_LONG.
+
+2001-11-15  Alan Matsuoka  <alanm@redhat.com>
+
+       * gensupport.c  process_include : Change call to alloca to
+       xmalloc.
+
+2001-11-15  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.md: Use spaces instead of tabs in output
+       templates.
+
+Thu Nov 15 08:36:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * final.c (alter_subreg): If simplify_subreg can't do anything,
+       handle REG ourselves and abort for others.
+
+2001-11-15  Richard Hodson  <hodsonr@dionecorp.com>
+
+       * config/h8300/h8300.c (dosize): Avoid corrupting R3 in interrupt
+       routines.
+
+2001-11-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * fix-header.c (read_scan_file): Update.
+
+Thu Nov 15 08:36:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * toplev.c (toplev_main): Don't start timing until after
+       command-line options are parsed.
+
+2001-11-15  Andreas Schwab  <schwab@suse.de>
+
+       * config.gcc: Set STMP_FIXPROTO and FIXPROTO_DEFINES in target
+       makefile frag, not host makefile frag.
+       (m88k-dg-dguxbcs*): Add m88k/t-dgux to tmake_file.
+       (hppa*): Add pa/t-bsd to tmake_file where no special xmake_file is
+       used.
+       (hppa*-*-openbsd*): Don't use nonexitent pa/t-openbsd.
+       * config/m88k/t-dguxbcs: Remove definitions already in t-dgux.
+       * config/m88k/t-dgux (STMP_FIXPROTO): Define.
+       * config/i386/t-cygwin (STMP_FIXPROTO): Define.
+       * config/i386/t-dgux (STMP_FIXPROTO): Define.
+       * config/x-interix: Don't define STMP_FIXPROTO and
+       FIXPROTO_DEFINES.
+       * config/t-interix: New file, define STMP_FIXPROTO.
+       * config/i386/x-beos (STMP_FIXPROTO): Don't define here.
+       * config/i386/t-beos (STMP_FIXPROTO): Define here instead.
+       * config/t-svr4 (FIXPROTO_DEFINES): Define.
+       * config/arm/t-riscix (FIXPROTO_DEFINES): Define.
+       * config/i386/t-sco5 (FIXPROTO_DEFINES): Define.
+       * config/i386/t-sco5gas (FIXPROTO_DEFINES): Define.
+       * config/m68k/t-hp3200: Renamed from x-hp3200.
+       * config/i370/t-oe: Renamed from x-oe.
+       * config/mips/t-iris: Renamed from x-iris.
+       * config/pa/t-bsd: Renamed from x-pa.
+       * config/pa/t-pa-hpux: Renamed from x-pa-hpux.
+       * config/x-linux, config/i386/x-cygwin, config/i386/x-dgux,
+       config/m88k/x-dgux, config/x-svr4, config/arm/x-riscix,
+       config/i386/x-sco5, config/m68k/x-hp320g, config/mips/x-iris6,
+       config/rs6000/x-cygwin: Remove files.
+
+       * configure.in: Check for target objdump and use that in eh_frame
+       optimization test.
+       * configure: Regenerated.
+
+2001-11-15  Jakub Jelinek  <jakub@redhat.com>
+
+       * jump.c (squeeze_notes): Return true if no real insns were found.
+       * rtl.h (squeeze_notes): Adjust prototype.
+       * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): If
+       squeeze_notes finds no real instructions, abort.
+       (merge_blocks_move_successor_nojumps): Likewise.
+       * loop.c (find_and_verify_loops): Likewise.
+       * stmt.c (expand_end_case): Likewise.
+       * ifcvt.c (dead_or_predicable): Return TRUE if squeeze_notes doesn't
+       find any real instructions.
+
+       * config/ia64/ia64.c (ia64_adjust_cost): Handle SUBREGs.
+
+       * cfgcleanup.c (try_optimize_cfg): If try_simplify_condjump optimized
+       conditional jump, request updating life into for the block
+       containing it.  Fix a typo which prevented life info update.
+       Clear blocks bitmap before using it.
+
+2001-11-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c: Include c-lex.h.
+       (c_common_lang_init): Change prototype.  Call init_c_lex and
+       init_pragma from here.
+       * c-common.h (c_common_lang_init): Change prototype.
+       * c-decl.c (init_decl_processing): Rename.  Call c_parse_init.
+       * c-lang.c (c_init): Change prototype.  Update.
+       (c_init_options): Update.
+       * c-lex.c (cpp_filename): Remove.
+       (init_c_lex): Update.  Read the main file, and get the original
+       file name.
+       (yyparse): Finish the command line options.
+       * c-parse.in (c_parse_init): Call init_reswords here.
+       (init_parse): Remove.
+       * c-tree.h (c_init_decl_processing): New.
+       * cpphash.c (_cpp_init_hashtable): After initializing the hash
+       table, populate it.
+       * cppinit.c (read_original_filename, cpp_finish_options): New.
+       (cpp_create_reader): New prototype. Defer hash table initialization.
+       (cpp_start_read): Rename cpp_read_main_file.  Initialize the
+       hash table.  Get the original filename.
+       * cpplib.h (cpp_create_reader): Update.
+       (cpp_start_read): Remove.
+       (cpp_read_main_file, cpp_finish_options): New.
+       * cppmain.c (main, do_preprocessing): Update.
+       * langhooks.h (struct langhooks): Update init prototype.
+       * toplev.c (general_init, parse_options_and_default_flags,
+       process_options, lang_indpendent_init, lang_dependent_init,
+       init_asm_output): New; perform the bulk of initialization.
+       (compile_file): Move most of initialization to above functions.
+       (debug_hooks): Initialize statically.
+       (set_Wunused): Relocate.
+       (toplev_main): Move most of initialization to other init functions.
+       Have a clear logic flow.
+       * tree.h (init_parse, init_decl_processing): Remove.
+objc:
+       * objc-act.c (objc_init): Update prototype, combine with old
+       init_parse.
+       (objc_init_options): Update.
+
+
+2001-11-15  Andreas Jaeger  <aj@suse.de>
+
+       * cfgrtl.c (purge_all_dead_edges): Use int as argument for
+       portability.
+       * basic-block.h: Adjust prototype.
+
+2001-11-15  Kazu Hirata  <kazu@hxi.com>
+
+       * config/rs6000/aix31.h: Fix comment formatting.
+       * config/rs6000/beos.h: Likewise.
+       * config/rs6000/darwin.h: Likewise.
+       * config/rs6000/eabi.asm: Likewise.
+       * config/rs6000/linux.h: Likewise.
+       * config/rs6000/linux64.h: Likewise.
+       * config/rs6000/lynx.h: Likewise.
+       * config/rs6000/netbsd.h: Likewise.
+       * config/rs6000/rs6000.c: Likewise.
+       * config/rs6000/rs6000.h: Likewise.
+       * config/rs6000/rs6000.md: Likewise.
+       * config/rs6000/sol2.h: Likewise.
+       * config/rs6000/tramp.asm: Likewise.
+       * config/rs6000/xcoff.h: Likewise.
+       * config/rs6000/xm-beos.h: Likewise.
+
+2001-11-14  Alan Matsuoka  <alanm@redhat.com>
+
+       * rtl.def (INCLUDE) : Define.
+       * gensupport.c  (init_include_reader, process_include,
+       save_string) :  New functions to implement an include facility
+       in .md files.
+       * gensupport.h : Add prototype for init_md_reader_args.
+       * genattr.c genattrtab.c gencodes.c genconfig.c genemit.c
+       genextract.c genflags.c genopinit.c genoutput.c
+       genpeep.c genrecog.c: Change call to init_md_reader to
+       init_md_reader_args.
+       * md.texi: Document (include "path") and -I directives for RTL
+       generation tools.
+
+2001-11-14  DJ Delorie  <dj@redhat.com>
+
+       * integrate.c (get_hard_reg_initial_reg): New.
+       * integrate.h (get_hard_reg_initial_reg): Prototype.
+       * local-alloc.c (block_alloc): Don't tie pseudos that
+       represent call-saved hard regs' initial values.
+
+2001-11-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * m68k/linux.h: Include <linux.h> not "linux.h" to avoid infinite
+       recursion.
+
+2001-11-14  Roger Sayle <roger@eyesopen.com>
+
+       * fold-const.c (fold): Optimize strlen comparisons against zero.
+
+2001-11-14  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (sparc64-wrs-vxworks*, sparc-*-netbsd*, sparc-*-openbsd*,
+       sparc-*-chorusos*, sparc-*-elf*, sparc-*-linux*aout*,
+       sparc-*-linux*libc1*, sparc-*-linux*, sparc-*-lynxos*, sparc-*-rtems*,
+       sparc-*-rtemself*, sparc-hal-solaris2*, sparc-*-solaris2*,
+       sparc-*-sunos4.0*, sparc-*-sunos4*, sparc-*-sunos3*, sparc-*-sysv4*,
+       sparc-*-vxsim*, sparclite-*-aout*, sparclite-*-elf*, sparc86x-*-aout*,
+       sparc86x-*-elf*, sparc64-*-aout*, sparc64-*-elf*, sparc64-*-linux*):
+       Include various CPU headers via tm_file.  a.out based platforms now
+       properly include sparc/aout.h.  sol2.h usage now implies including
+       elfos.h, svr4.h, and sparc/sysv4.h.
+       * config/netbsd.h (TARGET_MEM_FUNCTIONS): Undef before defining it.
+       Also define to '1'.
+       * sparc/sparc.h (CPP_PREDEFINES, TARGET_VERSION, WORD_SWITCH_TAKES_ARG,
+       SELECT_SECTION, ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP,
+       DATA_SECTION_ASM_OP, DBX_REGISTER_NUMBER, ASM_OUTPUT_SOURCE_LINE):
+       Remove.  They are a.out specific and belong in sparc/aout.h.
+       * sparc/aout.h (TARGET_VERSION, WORD_SWITCH_TAKES_ARG, SELECT_SECTION,
+       ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+       DBX_REGISTER_NUMBER, ASM_OUTPUT_SOURCE_LINE): Define.  Moved here from
+       sparc/sparc.h.
+       * sparc/litecoff.h (WORD_SWITCH_TAKES_ARG, ASM_DECLARE_FUNCTION_NAME,
+       TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, DBX_REGISTER_NUMBER): Define.
+       Moved here from sparc/sparc.h.
+       * config/sparc/linux-aout.h (DEFAULT_PCC_STRUCT_RETURN): Undef before
+       defining.
+       * config/sparc/linux64.h (UNALIGNED_DOUBLE_INT_ASM_OP): Undef before
+       * config/sparc/lynx.h:  Don't include lynx.h.
+       (SELECT_SECTION): Do not undef.
+       * config/sparc/openbsd.h: Don't include sparc/sparc.h.
+       * config/sparc/sol2-sld-64.h: Include sparc/sparc.h, elfos.h, svr4.h,
+       and sparc/sysv4.h.
+       * config/sparc/sol2.h: Don't include sparc/sparc.h and sparc/sysv4.h.
+       * config/sparc/sp64-aout.h (CPP_PREDEFINES): Don't define.  Get from
+       sparc/aout.h now.
+       * config/sparc/sp64-elf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO):
+       Don't undef, there is no need.
+       * config/sparc/splet.h (CPP_PREDEFINES): Define.
+       * config/sparc/sun4o3.h (CPP_PREDEFINES): Likewise.
+       * config/sparc/sunos4.h (CPP_PREDEFINES): Likewise.
+       Don't include sparc/sparc.h.
+       * config/sparc/sysv4.h (WORD_SWITCH_TAKES_ARG, ASM_OUTPUT_SOURCE_LINE,
+       SELECT_SECTION, ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP,
+       DATA_SECTION_ASM_OP): Don't undef, there is no need now.  Don't include
+       elfos.h and svr4.h.
+       (TARGET_VERSION): Define.
+       * config/sparc/vxsim.h (TARGET_VERSION): Define.
+
+Wed Nov 14 19:46:08 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cfglayout.c (fixup_fallthru_exit_predecesor): New static function.
+       (cfg_layout_finalize): Use it.
+       * bb-reorder.c (HAVE_epilogue): Remove.
+       (make_reorder_chain): Do not care special placement of
+       last basic block.
+
+       * predict.c (expected_value_to_br_prob): Delete the note
+       once transformed.
+
+       * c-decl.c (c_expand_body): Fix TV_EXPAND nesting problem;
+       measure integration time separately.
+
+Wed Nov 14 12:30:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (struct temp_slot): ALIGN now unsigned.
+
+2001-11-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/dsp16xx/dsp16xx.c: Fix comment formatting.
+       * config/dsp16xx/dsp16xx.h: Likewise.
+       * config/dsp16xx/dsp16xx.md: Likewise.
+
+2001-11-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Reorganize the code
+       that deals with 7-bit shifts in HImode.
+
+Wed Nov 14 14:17:05 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * dbxout.c (dbxout_symbol_location): Update call of alter_subreg.
+       * final.c (walk_alter_subreg): Take pointer; update call of alter_subreg.
+       (final_scan_insn): Update call of alter_subreg.
+       (cleanup_subreg_operands): Likewise.
+       (alter_subreg): Rewrite using simplify_subreg.
+       (output_address, output_operand): Update call of alter_subreg.
+       * output.h (alter_subreg): Update prototype.
+       * sdbout.c (sdbout_symbol): Update call of alter_subreg.
+       * simplify-rtx.c (simplify_subreg): Copy ORIGINAL_REGNO.
+       * Makefile.in (final.o): Add dependency on expr.h
+
+Wed Nov 14 06:37:54 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * c-lang.c (finish_file): Make I unsigned to eliminate warning.
+
+2001-11-13  Jeff Sturm  <jsturm@one-point.com>
+
+       * doc/install.texi (sparc-*-linux*): Mention requirements for
+       binutils and glibc.
+
+2001-11-14  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * Makefile.in (POD2MAN): Don't include --section=1.
+       (manext): Rename to man1ext.  All users changed.
+       (man7ext): New.
+       (man7dir): New.
+       (generated-manpages): Also depend on $(docdir)/gfdl.7,
+       $(docdir)/gpl.7, and $(docdir)/fsf-funding.7.
+       ($(docdir)/gcov.1, $(docdir)/cpp.1, $(docdir)/gcc.1): Include
+       --section=1 in calls to $(POD2MAN).
+       ($(docdir)/gfdl.7, $(docdir)/gpl.7, $(docdir)/fsf-funding.7): New.
+       (maintainer-clean, install, uninstall): Handle the new man pages.
+       ($(docdir)/cpp.info, cpp.dvi): Depend on fdl.texi.
+       (installdirs): Create man7dir.
+       * doc/cpp.texi: Include GFDL in this manual.  In the man page,
+       refer to gfdl(7) for the GFDL.  Apply Front Cover and Back Cover
+       texts to man page.  Include gpl(7), gfdl(7) and fsf-funding(7) in
+       the SEE ALSO man page section.
+       * doc/gcov.texi: Apply GFDL to man page.  Include gpl(7), gfdl(7)
+       and fsf-funding(7) in the SEE ALSO man page section.
+       * doc/invoke.texi: Apply GFDL to man page.  Include gpl(7),
+       gfdl(7) and fsf-funding(7) in the SEE ALSO man page section.
+       * doc/include/fdl.texi, doc/include/funding.texi,
+       doc/include/gpl.texi: Adjust for conversion by texi2pod.pl.
+       * doc/.cvsignore: Add gfdl.7, gpl.7 and fsf-funding.7.
+
+2001-11-13  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (dw2_force_const_mem): Set PUBLIC or STATIC
+       as appropriate for the artificial decl.
+
+2001-11-13  Richard Henderson  <rth@redhat.com>
+
+       * loop.c (combine_movables): Turn off combination until
+       move_movables validation bugs are fixed.
+
+2001-11-13  DJ Delorie  <dj@redhat.com>
+
+       * config.gcc (powerpc|rs6000): Set default cpp options based
+       on --with-cpu settings.
+       * config/rs6000/softfloat.h: New.
+
+2001-11-13  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (shift_alg_si): Use special code for
+       25-bit shifts on H8S.
+       (get_shift_alg): Generate special code for 25-bit shifts on
+       H8S.
+
+2001-11-13  Jakub Jelinek  <jakub@redhat.com>
+
+       * emit-rtl.c (adjust_address_1): Add ADJUST argument.
+       (adjust_automodify_address_1): New.
+       * expr.h (adjust_address, adjust_address_nv): Adjust.
+       (adjust_automodify_address, adjust_automodify_address_nv): Define.
+       (adjust_address_1): Update prototype.
+       (adjust_automodify_address_1): Add prototype.
+       * expr.c (move_by_pieces_1): Use adjust_automodify_address.
+       (store_by_pieces_2): Likewise.
+
+Tue Nov 13 05:45:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * Makefile.in (explow.o): Now depends on ggc.h.
+       * explow.c (ggc.h): Include.
+       (set_stack_check_libfunc): Mark stack_check_libfunc as ggc root.
+
+       * Makefile.in (expr.o): Depends on insn-attr.h.
+       * expr.c (insn-attr.h): New include.
+       (force_operand): If INSN_SCHEDULING, deal with paradoxical SUBREG
+       of MEM.
+       (highest_pow2_factor, case INTEGER_CST): Handle negative values.
+       (expand_expr): Remove unneeded mark_temp_addr_taken calls and
+       clean up related usage in ADDR_EXPR.
+       (expand_expr_unaligned): Likewise.
+
+       * emit-rtl.c (change_address): Fix typo in alias setting.
+
+2001-11-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (cfgcleanup.o): Depend on insn-config.h
+
+2001-11-12  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR bootstrap/3451
+       * c-pragma.c: Rename macros BAD, BAD2, BAD_ACTION to
+       GCC_BAD, GCC_BAD2, GCC_BAD_ACTION.
+
+2001-11-12  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc (sparc-tti-*, sparc64-wrs-vxworks*, sparc-wrs-vxworks*,
+       sparclite-wrs-vxworks*, sparc-*-aout*, sparc-*-netbsd*,
+       sparc-*-chorusos*, sparc-*-linux*aout*, sparc-*-linux*libc1*,
+       sparc-*-linux*, sparc-*-lynxos*, sparc-*-rtemsaout*, sparc-*-rtems*,
+       sparc-*-rtemself*, sparc-*-solaris2*, sparc-*-sunos3*, sparc-*-sysv4*,
+       sparc-*-vxsim*, sparclet-*-aout*, sparclite-*-coff*, sparclite-*-aout*,
+       sparc86x-*-aout*, sparc86x-*-elf*, sparc64-*-aout*, sparc64-*-elf*,
+       sparc64-*-linux*):  Include various CPU headers via tm_file.
+       * config/svr3.h (ASM_OUTPUT_IDENT): Undef before defining it.
+       (SELECT_SECTION): Likewise.
+       (SELECT_RTX_SECTION): Likewise.
+       * config/sparc/sparc_bi.h: New file.
+       * config/sparc/aout.h: Don't include sparc/sparc.h and aoutos.h.
+       * config/sparc/linux-aout.h: Likewise.
+       * config/sparc/linux.h: Don't include sparc/sysv4.h.
+       * config/sparc/linux64.h: Likewise.
+       (SPARC_BI_ARCH): Don't define.  sparc_bi.h will do it instead.
+       * config/sparc/lite.h:  Don't include sparc/sparc.h and gofast.h.
+       * config/sparc/litecoff.h: Don't include sparc/lite.h, svr3.h,
+       and dbxcoff.h
+       (ASM_OUTPUT_IDENT): Do not #undef.
+       (SELECT_SECTION): Likewise.
+       (SELECT_RTX_SECTION): Likewise.
+       * config/sparc/liteelf.h: Don't include gofast.h.
+       * config/sparc/lynx-ng.h: Don't include sparc/sparc.h and lynx-ng.h.
+       * config/sparc/lynx.h: Don't include sparc/sparc.h.
+       * config/sparc/pbd.h: Likewise.
+       * config/sparc/netbsd.h: Don't include sparc/sparc.h and netbsd.h.
+       * config/sparc/rtems.h: Don't include sparc/aout.h and rtems.h.
+       * config/sparc/rtemself.h: Don't include rtems.h.
+       * config/sparc/sol2-64.h: Don't include sparc/sol2-sld-64.h.
+       * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Don't define, include
+       sparc_bi.h instead.
+       * config/sparc/sol2-sld.h: Don't include sparc/sol2.h.
+       * config/sparc/sol2.h: Include sparc/sparc.h directly.
+       * config/sparc/sp64-aout.h: Don't include sparc/sparc.h and aoutos.h.
+       * config/sparc/sp64-elf.h: Don't include sparc/sol2.h.
+       * config/sparc/sp86x-aout.h: Don't include sparc/sparc.h and gofast.h.
+       * config/sparc/sp86x-elf.h: Don't include gofast.h.
+       * config/sparc/splet.h: Don't include sparc/aout.h.
+       * config/sparc/sun4o3.h: Don't include sparc/sparc.h.
+       * config/sparc/sysv4.h: Don't include sparc/sparc.h directly.
+       * config/sparc/vxsim.h: Don't include sparc/sysv4.h.
+       * config/sparc/vxsparc.h: Don't include sparc/aout.h and gofast.h.
+       * config/sparc/vxsparc64.h: Don't include gofast.h.
+       (SPARC_BI_ARCH): Don't define.  sparc_bi.h will do it instead.
+
+2001-11-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/standards.texi: Mention C99 TC1.
+
+2001-11-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * mips-protos.h (mips_output_conditional_branch): Const-ify.
+       * mips.c (mips_output_conditional_branch): Likewise.
+
+2001-11-12  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (shift_alg_si): Use special code for
+       15-bit logical shifts and 31-bit logical shifts.
+       (get_shift_alg): Generate special code for 15-bit and 31-bit
+       logical shifts.
+
+2001-11-12  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (shift_alg_qi): Use rotations when
+       doing 6-bit logical shifts on H8S.
+       (shift_alg_qi): Use special code for 21-bit shifts on H8S.
+       (get_shift_alg): Generate special code for 21-bit shifts on
+       H8S.
+
+2001-11-12  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Remove a redundant
+       label.
+
+Mon Nov 12 11:58:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (nonoverlapping_memrefs_p): Only update size from memref
+       if both size and offset known.
+
+2001-11-12  David O'Brien  <obrien@FreeBSD.org>
+
+       * config/ia64/freebsd.h: Fix misspelling.
+
+2001-11-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Move several chapters out to ...
+       * doc/configterms.texi, doc/fragments.texi, doc/hostconfig.texi,
+       doc/include/linux-and-gnu.texi, doc/interface.texi,
+       doc/makefile.texi, doc/passes.texi, doc/portability.texi:
+       ... here.  New files.
+       * doc/gcc.texi, doc/contrib.texi: Move section headings into
+       contrib.texi.
+       * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+2001-11-12  Kazu Hirata  <kazu@hxi.com>
+
+       * config/alpha/alpha-interix.h: Fix comment formatting.
+       * config/alpha/alpha.c: Likewise.
+       * config/alpha/alpha.h: Likewise.
+       * config/alpha/alpha32.h: Likewise.
+       * config/alpha/freebsd.h: Likewise.
+       * config/alpha/unicosmk.h: Likewise.
+       * config/alpha/vms.h: Likewise.
+
+2001-11-12  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Remove redundant code.
+
+2001-11-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * dbxout.c (dbxout_symbol_location): Avoid emitting invalid register
+       numbers.
+
+Mon Nov 12 05:18:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (set_mem_attributes): If making object, can set alignment
+       from type.
+       (replace_equiv_address): Call update_temp_slot_address.
+
+       * dwarf2out.c (loc_descriptor_from_tree, case COMPOUND_EXPR): New case.
+
+       * alias.c (nonoverlapping_memrefs_p): Handle DECL_RTL being a CONCAT.
+
+2001-11-12  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (shift_alg_qi): New.
+       (shift_alg_hi): Likewise.
+       (shift_alg_si): Likewise.
+       (get_shift_alg): Change the type of count to unsigned int.
+       Use the tables.
+
+2001-11-11  Alexandre Oliva  <aoliva@redhat.com>
+
+       * Makefile.in (c-lang.o): Depend on $(VARRAY_H).
+       * c-decl.c (c_expand_body): Take argument can_defer_p.  Use it
+       to decide whether to defer a function.
+       (finish_function): Adjust.
+       (c_expand_deferred_function): New function.
+       * c-lang.c (deferred_fns): New variable.
+       (c_init): Initialize it, and mark it as a root.
+       (defer_fn): New function.
+       (finish_file): Expand all deferred functions.
+       * c-tree.h (defer_fn): Declare.
+       (c_expand_deferred_function): Likewise.
+       * objc/Make-lang.in (objc-act.o): Depend on $(VARRAY_H).
+       * objc-act.c (deferred_fns): New variable.
+       (objc_init): Initialize it, and mark it as a root.
+       (defer_fn): New function.
+       (finish_file): Expand all deferred functions.
+
+2001-11-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha.c (unicosmk_special_name): Prototype.
+       (unicosmk_ssib_name): Delete unused variable.
+       * alpha/unicosmk.h (common_section, ssib_section): Prototype.
+       * alpha/vms.h (PREFIX): Undef before defining.
+       * arm/pe.h (SUBTARGET_NAME_ENCODING_LENGTHS): Likewise.
+       * i370/i370.c (mvs_hash_alias): Prototype.  Wrap with macro
+       controlling usage.  Const-ify.
+       (alias_number): Delete unused variable.
+       * m32r/m32r.c (m32r_sched_init): Add missing argument.
+       (m32r_expand_block_move): Fix uninitialized warnings.
+       * mn10300/mn10300.h (REGNO_IN_RANGE_P): Fix 'unsigned >=0 is
+       always true' warnings.
+       * openbsd.h (TARGET_MEM_FUNCTIONS): Don't redefine.
+       * sh/sh.c: Include "integrate.h".
+       (output_far_jump): Fix uninitialized warning.
+       * final.c (shorten_branches): Avoid automatic aggregate
+       initialization.
+       * integrate.c (subst_constants): Likewise.
+
+2001-11-11  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (shift_alg): Remove SHIFT_MAX.
+       (get_shift_alg): Remove redundant code.
+
+2001-11-11  Kazu Hirata  <kazu@hxi.com>
+
+       * config/pa/milli64.S: Fix comment formatting.
+       * config/pa/pa-64.h: Likewise.
+       * config/pa/pa-linux.h: Likewise.
+       * config/pa/pa-protos.h: Likewise.
+       * config/pa/pa.c: Likewise.
+       * config/pa/pa.h: Likewise.
+       * config/pa/pa32-linux.h: Likewise.
+       * config/pa/pa32-regs.h: Likewise.
+       * config/pa/pa64-hpux.h: Likewise.
+       * config/pa/pa64-regs.h: Likewise.
+       * config/pa/som.h: Likewise.
+
+2001-11-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Move several chapters out to ...
+       * doc/bugreport.texi, doc/contribute.texi, doc/frontends.texi,
+       doc/service.texi, doc/standards.texi, doc/trouble.texi,
+       doc/vms.texi: ... here.  New files.
+       * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+2001-11-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog,
+       cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c,
+       collect2.c, combine.c, config.in, configure, configure.in,
+       conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c,
+       genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c,
+       reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix
+       spelling errors.
+
+Sun Nov 11 05:56:01 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/rs6000/rs6000.c (rs6000_hash_constant, toc_hash_eq):
+       Adjust operand number in CONST_DOUBLE.
+
+       * expmed.c (extract_bit_field): No longer pass in alignment.
+       (extract_fixed_bit_field, extract_split_bit_field): Likewise.
+       (store_bit_field, store_fixed_bit_field, store_split_bit_field):
+       Likewise.
+       * expr.c (store_constructor, store_constructor_field): Likewise.
+       (store_field, emit_group_load, emit_group_store): Likewise.
+       * expr.h (emit_group_load, emit_group_store): Delete ALIGN parm.
+       (store_bit_field, extract_bit_field): Likewise.
+       * calls.c, expr.c, function.c: Change calls to above functions.
+       * ifcvt.c, stmt.c: Likewise.
+
+       * alias.c (nonoverlapping_memrefs_p): Not overlapping if one base is
+       constant and one is on frame.
+       If know memref offset, adjust size from decl.
+
+2001-11-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha/unicosmk.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Fix
+       format specifier warning.
+       * convex.h (ASM_OUTPUT_BYTE): Likewise.
+       * elfos.h (ALIGN_ASM_OP): Undef before defining.
+       * i386/att.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier
+       warning.
+       * i386/bsd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * i386/gas.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * i386-interix.h (gen_stdcall_suffix): Prototype.
+       * i386.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+       * i386elf.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_LONG_DOUBLE): Likewise.
+       * i386/interix.c (gen_stdcall_suffix): Const-ify.
+       * i386/next.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_FLOAT, ASM_GENERATE_INTERNAL_LABEL): Fix format
+       specifier warnings.
+       * i386/osfrose.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * i386/ptx4-i.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_LONG_DOUBLE): Likewise.
+       * i386/sco5.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * i386/sequent.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * i386/sun386.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * i386/svr3dbx.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * m68k/3b1.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_LONG_DOUBLE,
+       ASM_OUTPUT_FLOAT, ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * m68k/altos3068.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
+       * m68k/amix.h (ASM_OUTPUT_ASCII, ASM_GENERATE_INTERNAL_LABEL):
+       Likewise.
+       * m68k/atari.h (ASM_OUTPUT_ASCII, ASM_GENERATE_INTERNAL_LABEL):
+       Likewise.
+       * m68k/crds.h (ASM_OUTPUT_DOUBLE, PRINT_OPERAND): Likewise.
+       * m68k/dpx2.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_FLOAT, ASM_OUTPUT_BYTE, ASM_OUTPUT_FLOAT_OPERAND):
+       Likewise.
+       * m68k/hp320.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_BYTE):
+       Likewise.
+       * m68k.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_BYTE):
+       Likewise.
+       * m68k/m68kv4.h (ASM_OUTPUT_ASCII): Delete unused variable.
+       * m68k/mot3300.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+       * m68k/news.h (PRINT_OPERAND): Likewise.
+       * m68k/next.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+       ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Likewise.
+       * m68k/next21.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
+       * m68k/plexus.h (ASM_SPEC): Insert space between macro name and
+       definition.
+       * m68k/sgs.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_FLOAT, ASM_OUTPUT_ASCII, ASM_OUTPUT_FLOAT_OPERAND,
+       ASM_OUTPUT_DOUBLE_OPERAND): Fix format specifier warnings.
+       * m68k/sun3.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
+       * m68k/tower-as.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_FLOAT, ASM_OUTPUT_BYTE,
+       PRINT_OPERAND): Likewise.
+       * m88k/m88k.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_BYTE):
+       Likewise.
+       * mips/elf.h (PUT_SDB_SIZE, ASM_DECLARE_OBJECT_NAME): Likewise.
+       * mips/elf64.h (PUT_SDB_SIZE, ASM_DECLARE_OBJECT_NAME): Likewise.
+       * mips/iris5gas.h (PUT_SDB_SIZE): Likewise.
+       * mips/linux.h (ASM_DECLARE_OBJECT_NAME): Likewise.
+       * mips.c (mips_output_external_libcall): Mark parameter with
+       ATTRIBUTE_UNUSED.
+       (mips_asm_file_start): Move variable into the scope where it's
+       used.
+       * mips.h (PUT_SDB_INT_VAL, PUT_SDB_SIZE): Likewise.
+       * mips/netbsd.h (ASM_DECLARE_OBJECT_NAME): Likewise.
+       * mips/sni-gas.h (PUT_SDB_SIZE): Likewise.
+       * ns32k/encore.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * ns32k.c (print_operand): Likewise.
+       * pa.c (print_operand, output_div_insn): Likewise.
+       * pa.h (ASM_OUTPUT_MI_THUNK, ASM_GENERATE_INTERNAL_LABEL,
+       ASM_OUTPUT_BYTE, PRINT_OPERAND_ADDRESS): Likewise.
+       * pa/pa64-hpux.h (UNIQUE_SECTION): Const-ify.
+       * sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Fix format
+       specifier warnings.
+       * sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       * sparc/pbd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       (ASM_OUTPUT_SOURCE_LINE): Don't list macro arguments in undef.
+       * sparc/vxsim.h (ASM_GENERATE_INTERNAL_LABEL): Fix format
+       specifier warnings.
+       * svr3.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+
+       * sdbout.c (sdbout_end_epilogue): Mark parameter with
+       ATTRIBUTE_UNUSED.
+       * varasm.c (assemble_global): Likewise.
+
+2001-11-11  H.J. Lu <hjl@gnu.org>
+
+       * config.gcc: Add "elfos.h svr4.h" to $tm_file for Linux/mips.
+
+Sun Nov 11 01:26:00 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * final.c (*_MAX_SKIP): Use *_max_skip variables.
+       * flags.h (align_loops_max_skip, align_jumps_max_skip,
+       align_labels_max_skip): New global variables.
+       * toplev.c (align_loops_max_skip, align_jumps_max_skip,
+       align_labels_max_skip): New global variables.
+       (toplev_main): Set new variables.
+       * i386.c (override_options): Set max_skip values.
+
+2001-11-10  Geoffrey Keating  <geoffk@redhat.com>
+
+       * doc/tm.texi (Label Output): Document ASM_OUTPUT_LABEL_REF.
+       * final.c (output_addr_const): Use ASM_OUTPUT_LABEL_REF.
+       * config/stormy16/stormy16.c (xstormy16_print_operand): For '%C',
+       don't print an @fptr for labels either.
+       (xstormy16_output_addr_vec): Don't print @fptr here.
+       * config/stormy16/stormy16.h (ASM_OUTPUT_LABEL_REF): New macro.
+
+Sat Nov 10 08:50:50 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa-ccp.c (examine_flow_edges): Use old-style definition, not
+       an ANSI/ISO definitino.
+       (ssa_const_prop): Likewise.
+
+2001-11-10  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_reg_names): Remove leading "v" or
+       altivec registers.
+
+2001-11-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cppexp.c (parse_number): Use ISXDIGIT/hex_value.
+       * cpplex.c (hex_digit_value): Use hex_p/hex_value.
+       * cppmain.c (general_init): Call hex_init.
+       * tradcif.y (parse_number): Use TOLOWER/ISXDIGIT/hex_value/hex_p.
+
+       * config.gcc (i[34567]86-dg-dgux*): Don't set `out_file'.
+
+       * i386/dgux.h (ASM_FILE_START): Set to the meaningful portions
+       of dgux.c:output_file_start().
+
+       * i386/dgux.c: Delete file.
+
+2001-11-09  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (decl_in_text_section): New.
+       (current_file_function_operand): Use it.
+       (alpha_encode_section_info, alpha_end_function): Likewise.
+
+2001-11-07  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc: Add FreeBSD/IA-64 target. Expand config/i64/elf.h headers.
+       * config/i64/ia64.h (TARGET_VERSION,ASM_SPEC,LINK_SPEC): Remove,
+       they are OS specific.  Use CPP_CPU_SPEC rather than CPP_PREDEFINES,
+       so OS specific files and use CPP_PREDEFINES for their needs.
+       * config/i64/elf.h (TARGET_VERSION): Add.  Also, move inclusion of
+       target headers to tm_file.
+       * config/ia64/aix.h (TARGET_VERSION): Likewise.
+       * config/ia64/hpux.h (TARGET_VERSION): Likewise.
+       * config/ia64/linux.h (TARGET_VERSION): Likewise.
+       (FUNCTION_PROFILER): Remove.
+       * config/ia64/ia64.h (FUNCTION_PROFILER): Update definition using the
+       version in config/ia64/linux.h.
+       * config/ia64/freebsd.h: New file.
+       * config/freebsd.h: Tidy up.
+       (_USING_CONFIG_FREEBSD): Define.
+       (FBSD_CPP_PREDEFINES): Add __KPRINTF_ATTRIBUTE__.
+       (FBSD_CPP_SPEC): Define generic FreeBSD spec.
+       (FBSD_STARTFILE_SPEC): Likewise.
+       (FBSD_ENDFILE_SPEC): Likewise.
+       (FBSD_LIB_SPEC): Likewise.
+       (WCHAR_UNSIGNED): Undefine, FreeBSD's wchars are signed.
+       (USER_LABEL_PREFIX): Define to ELF compatible value as some CPU headers
+       set an ELF-improper one.
+
+2001-11-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (emit_move_sequence): Use cint_ok_for_move to check whether a
+       constant can be loaded in a single instruction to a register.  When
+       loading immediate constants, use PLUS instead of HIGH/LO_SUM.  Use
+       depdi for insertion of most significant 32-bits on 64-bit hosts.
+       * pa.h (LEGITIMATE_CONSTANT_P): Accept constants that can be built
+       with ldil/ldo/depdi instruction sequence on 64-bit hosts.
+       * pa.md: New addmove pattern for adding constant_int to HImode
+       register and moving result to HImode register.  Remove HImode HIGH
+       and LO_SUM patterns.
+
+2001-11-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in: Update.
+       * c-decl.c (print_lang_decl, print_lang_type): Remove.
+       (print_lang_identifier): Rename c_print_identifier.
+       * c-lang.c (LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New.
+       (print_lang_statistics, lang_print_xnode): Remove.
+       * c-parse.in (set_yydebug): Rename c_set_yydebug.
+       * c-tree.h (c_set_yydebug, c_print_identifier): New.
+       * langhooks-def.h (lhd_print_tree_nothing, lhd_set_yydebug): New.
+       LANG_HOOKS_PRINT_STATISTICS, LANG_HOOKS_PRINT_XNODE,
+       LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE,
+       LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New.
+       (LANG_HOOKS_INITIALIZER): Update.
+       * langhooks.h (struct lang_hooks): New members.
+       (lang_print_tree_hook): New.
+       * langhooks.c (lhd_print_tree_nothing, lhd_set_yydebug): New.
+       * print-tree.c: Include langhooks.h.
+       (print_node): Update.
+       * toplev.c (decode_d_option): Update.
+       * tree.c: Include langhooks.h.
+       (dump_tree_statistics): Update.
+       * tree.h (print_lang_statistics, print_lang_decl, print_lang_type,
+       print_lang_identifier, set_yydebug, lang_print_xnode): Remove.
+objc:
+       * objc-act.c (LANG_HOOKS_PRINT_IDENTIFIER,
+       LANG_HOOKS_SET_YYDEBUG): Override.
+       (lang_print_xnode, print_lang_statistics): Remove.
+
+2001-11-09  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (dw2_force_const_mem): Invoke STRIP_NAME_ENCODING
+       on the symbol string.
+
+2001-11-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * pa/elf.h (ASM_DECLARE_FUNCTION_NAME,
+       ASM_OUTPUT_EXTERNAL_LIBCALL): Undef before defining.
+       * config.gcc (hppa1.1-*-rtems*): Remove duplicate clause.
+
+       * clipper.h (ASM_OUTPUT_REG_POP): Fix typo.
+
+       * tlink.c (recompile_files): Copy strings passed to `putenv'.
+
+2001-11-09  Geoffrey Keating  <geoffk@redhat.com>
+
+       * tree.h (TYPE_VOLATILE): Trap use not on TYPEs.
+       (TYPE_READONLY): Likewise.
+
+       * flow.c (insn_dead_p): Allow for AUTO_INC notes all the time.
+
+       * config/stormy16/stormy16.h (ASM_SPEC): Revert last change,
+       don't pass --gdwarf2 to the assembler if the compiler will also
+       provide debug info.
+
+       * config/stormy16/stormy16.c (xstormy16_expand_casesi):
+       Don't change INDEX.
+
+Fri Nov  9 17:51:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (nonoverlapping_memrefs_p): New function.
+       (true_dependence, canon_true_depenence, write_dependence_p): Call it.
+
+       * emit-rtl.c (set_mem_attributes): Get alignments for constants.
+
+2001-11-09  Aldy Hernandez  <aldyh@redhat.com>
+
+       * rs6000.h (REG_CLASS_CONTENTS): Add VRSAVE bit to ALL_REGS.
+       (CONDITIONAL_REGISTER_USAGE): Disable AltiVec registers unless
+       generating altivec code.
+       (FIXED_REGISTERS): VRSAVE is fixed.
+       (CALL_USED_REGISTERS): VRSAVE is call used.
+
+2001-11-09  Jason Eckhardt  <jle@rice.edu>
+
+       * config/mips/mips.c (mips_output_conditional_branch): Do not hard
+       code the branch target as ".+16/.+12", but rather use labels.
+
+Fri Nov  9 11:27:42 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/milli64.S: Use %r25 and %r0 instead of arg1 and r0
+       to work around limitations of certain versions of GAS.
+
+       * pa.md (mulsi3): Remove PA64 hack to work around SUBREG issues.
+       (muldi3): Update due to SUBREG_BYTE changes.
+       (casesi): Similarly.
+
+2001-11-09  Zack Weinberg  <zack@codesourcery.com>
+
+       * doc/invoke.texi: Remove comment referring to -xf77-version.
+
+2001-11-09  Kazu Hirata  <kazu@hxi.com>
+
+       * config/convex/convex.c: Fix comment formatting.
+       * config/convex/convex.h: Likewise.
+
+2001-11-08  Zack Weinberg  <zack@codesourcery.com>
+
+       * Makefile.in (.po.pox): Look both in srcdir and builddir
+       for $(PACKAGE).pot.
+       (po/$(PACKAGE).pot): Don't move-if-change the new potfile over
+       to the source directory.
+
+2001-11-09 Ben Elliston  <bje@redhat.com>
+          Michael Meissner  <meissner@redhat.com>
+          Andrew MacLeod  <amacleod@redhat.com>
+          Richard Henderson  <rth@redhat.com>
+          Nick Clifton  <nickc@redhat.com>
+          Catherine Moore  <clm@redhat.com>
+
+       * m32r.c: Add support for m32rx processor.
+       * m32r.h: Ditto.
+       * m32r.md: Ditto.
+       * t-m32r: Ditto.
+       * m32r-protos.h: Add prototypes for m32rx functions.
+       * doc/invoke.texi: Document -m32rx option.
+
+2001-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/sparc/sparc.md (movdf): Avoid calling validize_mem during
+       or after reload.
+
+2001-11-09  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi2html: Use $MAKEINFO --no-split.
+
+2001-11-09  Andreas Schwab  <schwab@suse.de>
+
+       * Makefile.in ($(HOST_PREFIX_1)rtl.o,
+       $(HOST_PREFIX_1)print-rtl.o, $(HOST_PREFIX_1)bitmap.o,
+       $(HOST_PREFIX_1)vfprintf.o, $(HOST_PREFIX_1)doprint.o,
+       $(HOST_PREFIX_1)strstr.o, $(HOST_PREFIX_1)errors.o,
+       $(HOST_PREFIX_1)ggc-none.o): Update dependencies.
+
+2001-11-09  H.J. Lu <hjl@gnu.org>
+
+       * config/mips/mips.c (mips_output_function_prologues): Cast
+       `tsize' to long for output.
+
+2001-11-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lang.c (LANG_HOOKS_NAME): New.
+       (lang_hooks): Constify.
+       (c_init_options): Update.
+       (lang_identify): Remove.
+       * c-parse.in (language_string): Remove.
+       * dbxout.c: Include langhooks.h.
+       (dbxout_symbol_location): Update.
+       * dwarf2out.c: Include langhooks.h.
+       (gen_compile_unit_die): Update.
+       * dwarfout.c: Include langhooks.h.
+       (prototyped_attribute, output_compile_unit_die): Update.
+       * langhooks-def.h (LANG_HOOKS_NAME, LANG_HOOKS_IDENTIFIER_SIZE): New.
+       (LANG_HOOKS_INITIALIZER): Update.
+       * langhooks.h (struct lang_hooks): New members.  Constify.
+       * stringpool.c: Don't include toplev.h.
+       (set_identifier_size): Remove.
+       * toplev.c (toplev_main): Initialize identifier size.
+       (print_version): Update.
+       * tree.h (language_string, init_lex, lang_identify,
+       set_identifier_size): Remove.
+       * Makefile.in: Update dependencies.
+       * config/darwin.c: Include langhooks.h.
+       (func_name_maybe_scoped): Update.
+       * config/darwin.h (ASM_END_FILE): Update.
+       * config/nextstep.h (ASM_END_FILE): Update.
+       * config/nextstep21.h (ASM_END_FILE): Update.
+       * config/i386/sun386.h (ASM_END_FILE): Update.
+       * config/rs6000/rs6000.c (ASM_END_FILE): Include langhooks.h.
+       (rs6000_output_function_epilogue): Update.
+objc:
+       * objc-act.c (LANG_HOOKS_NAME): Override.
+       (struct lang_hooks): Constify.
+       (objc_init_options): Update.
+       (lang_identify): Remove.
+
+Fri Nov  9 00:25:18 EST 2001  John Wehle  (john@feith.com)
+
+       * fold-const.c (lshift_double): Honor PREC.
+       (rshift_double): Likewise.
+
+2001-11-08  Kazu Hirata  <kazu@hxi.com>
+
+       * config/1750a/1750a.c: Fix comment formatting.
+       * config/1750a/1750a.h: Likewise.
+
+2001-11-08  Phil Edwards  <pedwards@disaster.jaj.com>
+
+       * configure.in (--enable-languages): Be more permissive about
+       syntax.  Check for empty lists better.  Warn about $LANGUAGES.
+       * configure: Regenerated.
+
+2001-11-08  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (dw2_force_const_mem): Fix typo.
+
+2001-11-08  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config.gcc: Rename stormy16 to xstormy16.
+       * config/stormy16/stormy-abi: Likewise.
+       * config/stormy16/stormy16-protos.h: Likewise.
+       * config/stormy16/stormy16.c: Likewise.
+       * config/stormy16/stormy16.h: Likewise.
+       * config/stormy16/stormy16.md: Likewise.
+
+2001-11-06  Geoffrey Keating  <geoffk@redhat.com>
+
+       * tree.h (TYPE_VOLATILE): Add enable-checking code.
+       (TYPE_READONLY): Likewise.
+
+Thu Nov  8 18:00:55 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * reload1.c (reload): Don't delete equiv insn if can throw.
+
+       * expr.c (emit_block_move): If X is readonly emit CLOBBER for it.
+       (clear_storage): Likewise, for OBJECT.
+
+Thu Nov  8 16:23:51 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa.c (emit_move_sequence): Fix SUBREG expression to
+       use proper byte offset when extending a constant from
+       SImode to DImode.
+
+2001-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       * cfgrtl.c (purge_dead_edges): Remove REG_EH_REGION note for insns
+       which cannot throw.
+
+Thu Nov  8 18:00:55 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * explow.c (convert_memory_address, case SUBREG): Only return
+       inner object if SUBREG_PROMOTED_VAR_P or known to be pointer.
+
+2001-11-08  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (GCC_FOR_TARGET): Add build_tooldir/sys-include.
+       (CROSS_SYSTEM_HEADER_DIR): Use build_tooldir not tooldir.
+       (ORDINARY_FLAGS_TO_PASS, stmp-fixinc): Likewise.
+
+2001-11-08  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -maltivec.
+
+2001-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (debug_str_hash): New.
+       (struct indirect_string_node): New.
+       (struct dw_val_struct): Change type of val_str to it.
+       (DEBUG_STR_SECTION_FLAGS): Define.
+       (add_AT_string): Push string into hashtable, increment reference
+       counter.
+       (AT_string): Return string from ht_identifier.
+       (AT_string_form): New.
+       (free_AT): For dw_val_class_str, just decrement reference counter.
+       (size_of_string): Remove.
+       (size_of_die): Use AT_string_form to decide what size the string
+       occupies in DIE.
+       (size_of_pubnames): Use strlen instead of size_of_string.
+       (value_format): Use AT_string_form for dw_val_class_str.
+       (output_die): Output DW_FORM_strp strings using
+       dw2_asm_output_offset.
+       (indirect_string_alloc, output_indirect_string): New.
+       (dwarf2out_finish): Emit .debug_str strings if there are any.
+
+2001-11-08  Andreas Franck  <afranck@gmx.de>
+
+       * configure.in: Add AC_ARG_PROGRAM to support program name
+       transformation with --program-prefix, --program-suffix and
+       --program-transform-name.
+       * configure: Regenerated.
+       * Makefile.in (GCC_INSTALL_NAME, CPP_INSTALL_NAME,
+       PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
+       GCCBUG_INSTALL_NAME, GCC_CROSS_NAME, CPP_CROSS_NAME,
+       PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): Handle
+       program_transform_name the way suggested by autoconf.
+       (GCC_TARGET_INSTALL_NAME): Define.
+       (install-driver): Use the transformed target alias name.
+
+2001-11-08  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/mips.c (save_restore_insns): Remove GP from the
+       restore registers mask early instead of special casing it inside
+       the loop.
+
+2001-11-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cp/decl.c (shadow_warning): New function.
+       (pushdecl): Improve -Wshadow warnings.  Don't give both a warning
+       and an error when a block scope decl shadows a parameter.
+
+2001-11-08  Richard Henderson  <rth@redhat.com>
+
+       * config/fp-bit.h (usi_to_float): Define for US_SOFTWARE_GOFAST
+       case as well.
+
+2001-11-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.md (negdf2, negsf2): Use multiplication rather than subtraction
+       to implement floating negation on processors prior to PA 2.0.
+
+2001-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2asm.c (mark_indirect_pool_entry, mark_indirect_pool): New.
+       (USE_LINKONCE_INDIRECT): Define.
+       (dw2_output_indirect_constant_1): Try to output indirect constants
+       into linkonce sections if possible.
+       (dw2_force_const_mem): Likewise.  Register indirect_pool with GGC.
+       (dw2_output_indirect_constants): Likewise.
+
+2001-11-07  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Add vrsave.
+
+2001-11-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (pushdecl): Remove file and line.
+       * c-typeck.c (pop_init_level): Remove size.
+
+2001-11-07  Aldy Hernandez  <aldyh@redhat.com>
+
+       * doc/invoke.texi: Add -maltivec, -mno-altivec, and -mabi=altivec
+       for rs6000.
+
+       * config/rs6000/rs6000.h (MASK_ALTIVEC): New.
+       (TARGET_ALTIVEC): New.
+       (TARGET_SWITCHES): Add altivec.
+       (FIRST_PSEUDO_REGISTER): Change to 109.
+       (CALL_USED_REGISTERS): Same.
+       (FIRST_ALTIVEC_REGNO): New.
+       (LAST_ALTIVEC_REGNO): New.
+       (ALTIVEC_REGNO_P): New.
+       (UNITS_PER_ALTIVEC_WORD): New.
+       (ALTIVEC_VECTOR_MODE): New.
+       (FIXED_REGISTERS): Add altivec registers.
+       (REG_ALLOC_ORDER): Same.
+       (HARD_REGNO_NREGS): Adjust for altivec registers.
+       (HARD_REGNO_MODE_OK): Same.
+       (MODES_TIEABLE_P): Same.
+       (REGISTER_MOVE_COST): Same.
+       (REGNO_REG_CLASS): Same.
+       (reg_class): Add ALTIVEC_REGS.
+       (REG_CLASS_NAMES): Same.
+       (REG_CLASS_CONTENTS): Same.
+       (REG_CLASS_FROM_LETTER): Add 'v' constraint for ALTIVEC_REGS.
+       (ALTIVEC_ARG_RETURN): New.
+       (FUNCTION_VALUE): Handle VECTOR_TYPE.
+       (LIBCALL_VALUE): Handle altivec vector modes.
+       (VECTOR_MODE_SUPPORTED_P): New.
+       (ALTIVEC_ARG_MIN_REG): New.
+       (ALTIVEC_ARG_MAX_REG): New.
+       (ALTIVEC_ARG_NUM_REG): New.
+       (FUNCTION_VALUE_REGNO_P): Return true for altivec return register.
+       (FUNCTION_ARG_REGNO_P): Support passing args in altivec registers.
+       (REGISTER_NAMES): Add altivec regs.
+       (DEBUG_REGISTER_NAMES): Same.
+       (ADDITIONAL_REGISTER_NAMES): Same.
+       (rs6000_builtins): New.
+       (MD_EXPAND_BUILTIN): New.
+       (MD_INIT_BUILTINS): New.
+       (LEGITIMATE_OFFSET_ADDRESS_P): This addressing mode is not valid
+       for AltiVec instructions.
+       (LEGITIMATE_LO_SUM_ADDRESS_P): Same.
+       (HARD_REGNO_MODE_OK): Altivec modes can only go in altivec
+       registers.
+       (SECONDARY_MEMORY_NEEDED): We need memory to copy vector modes.
+       (TARGET_SWITCHES): Add no-altivec.
+       (DATA_ALIGNMENT): Align vectors to 128 bits.
+       (TARGET_OPTIONS): Add abi= option.
+       Add rs6000_abi_string extern.
+       (LOCAL_ALIGNMENT): New.
+       (CPP_CPU_SPEC): Define __ALTIVEC__ when -maltivec.
+       (MASK_ALTIVEC_ABI): New.
+       (TARGET_ALTIVEC_ABI): New.
+       (CONDITIONAL_REGISTER_USAGE): Set first 20 AltiVec registers to
+       call-saved.
+       (STACK_BOUNDARY): Adjust for altivec.
+       (BIGGEST_ALIGNMENT): Same.
+       (rs6000_args): Add vregno.
+       (USE_ALTIVEC_FOR_ARG_P): New.
+       (FIXED_REGISTERS): Add vrsave register.
+       (CALL_USED_REGISTERS): Same.
+       (CONDITIONAL_REGISTER_USAGE): Set VRSAVE info.
+       (VRSAVE_REGNO): New.
+       (reg_class): Add VRSAVE_REGS.
+       (REG_CLASS_NAMES): Same.
+       (REG_CLASS_CONTENTS): Same.
+       (REGNO_REG_CLASS): Same.
+
+       * config/rs6000/sysv4.h (STACK_BOUNDARY): Adjust for altivec.
+       (ABI_STACK_BOUNDARY): Same.
+       (BIGGEST_ALIGNMENT): Same.
+       (ADJUST_FIELD_ALIGN): Remove undef.  Define anew.
+       (ROUND_TYPE_ALIGN): Same.
+
+       * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
+       to 64.
+
+       * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
+       to 64.
+
+       * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
+       to 64.
+
+       * config/rs6000/rs6000.c (rs6000_expand_builtin): New.
+       (altivec_expand_builtin): New.
+       (altivec_init_builtins): New.
+       (TARGET_EXPAND_BUILTIN): New.
+       (TARGET_INIT_BUILTINS): New.
+       (rs6000_init_builtins): New.
+       (struct builtin_description): New.
+       (bdesc_2arg): New.
+       (rs6000_reg_names): Add altivec registers.
+       (alt_reg_names): Same.
+       (secondary_reload_class): Altivec regs can hold altivec regs and
+       memory.
+       (rs6000_emit_move): Force constants into memory for AltiVec moves.
+       (print_operand): Add 'y' case for printing altivec memory
+       operands.
+       (rs6000_legitimize_address): Legitimize vector addresses into
+       [REG+REG] or [REG].
+       (altivec_expand_binop_builtin): New.
+       New string rs6000_current_abi.
+       (rs6000_override_options): Call rs6000_parse_abi_options.
+       (rs6000_parse_abi_options): New.
+       (function_arg_boundary): Vector arguments must be 16
+       byte aligned.
+       (function_arg_advance): Handle vector arguments.
+       (function_arg_partial_nregs): Same.
+       (init_cumulative_args): Same.
+       (function_arg): Same.
+
+       * config/rs6000/rs6000.md (altivec_lvx): New.
+       (type): Add altivec attribute.
+       (movv4si): New.
+       (*movv4si_internal): New.
+       (movv16qi): New.
+       (*movv16qi_internal): New.
+       (movv8hi): New.
+       (*movv8hi_internal1): New.
+       (movv4sf): New.
+       (*movv4sf_internal1): New.
+       (altivec_stvx): New.
+       (vaddubm): New.
+       (vadduhm): New.
+       (vadduwm): New.
+       (vaddfp): New.
+       (vaddcuw): New.
+       (vaddubs): New.
+       (vaddsbs): New.
+       (vadduhs): New.
+       (vaddshs): New.
+       (vadduws): New.
+       (vaddsws): New.
+       (vand): New.
+       (vandc): New.
+       (vavgub): New.
+       (vavgsb): New.
+       (vavguh): New.
+       (vavgsh): New.
+       (vavguw): New.
+       (vavgsw): New.
+       (vcmpbfp): New.
+       (vcmpequb): New.
+       (vcmpequh): New.
+       (vcmpequw): New.
+       (vcmpeqfp): New.
+       (vcmpgefp): New.
+       (vcmpgtub): New.
+       (vcmpgtsb): New.
+       (vcmpgtuh): New.
+       (vcmpgtsh): New.
+       (vcmpgtuw): New.
+       (vcmpgtsw): New.
+       (vcmpgtfp): New.
+       (vcmpgefp): New.
+       (vcmpgtub): New.
+       (vcmpgtsb): New.
+       (vcmpgtuh): New.
+       (vcmpgtsh): New.
+       (vcmpgtuw): New.
+       (vcmpgtsw): New.
+       (vcmpgtfp): New.
+       (vmaxub): New.
+       (vmaxsb): New.
+       (vmaxuh): New.
+       (vmaxsh): New.
+       (vmaxuw): New.
+       (vmaxsw): New.
+       (vmaxfp): New.
+       (vmrghb): New.
+       (vmrghh): New.
+       (vmrghw): New.
+       (vmrglb): New.
+       (vmrglh): New.
+       (vmrglw): New.
+       (vminub): New.
+       (vminsb): New.
+       (vminuh): New.
+       (vminsh): New.
+       (vminuw): New.
+       (vminsw): New.
+       (vminfp): New.
+       (vmuleub): New.
+       (vmulesb): New.
+       (vmuleuh): New.
+       (vmulesh): New.
+       (vmuloub): New.
+       (vmulosb): New.
+       (vmulouh): New.
+       (vmulosh): New.
+       (vnor): New.
+       (vor): New.
+       (vpkuhum): New.
+       (vpkuwum): New.
+       (vpkpx): New.
+       (vpkuhss): New.
+       (vpkshss): New.
+       (vpkuwss): New.
+       (vpkswss): New.
+       (vpkuhus): New.
+       (vpkshus): New.
+       (vpkuwus): New.
+       (vpkswus): New.
+       (vrlb): New.
+       (vrlh): New.
+       (vrlw): New.
+       (vslb): New.
+       (vslh): New.
+       (vslw): New.
+       (vsl): New.
+       (vslo): New.
+       (vsrb): New.
+       (vrsh): New.
+       (vrsw): New.
+       (vsrab): New.
+       (vsrah): New.
+       (vsraw): New.
+       (vsr): New.
+       (vsro): New.
+       (vsububm): New.
+       (vsubuhm): New.
+       (vsubuwm): New.
+       (vsubfp): New.
+       (vsubcuw): New.
+       (vsububs): New.
+       (vsubsbs): New.
+       (vsubuhs): New.
+       (vsubshs): New.
+       (vsubuws): New.
+       (vsubsws): New.
+       (vsum4ubs): New.
+       (vsum4sbs): New.
+       (vsum4shs): New.
+       (vsum2sws): New.
+       (vsumsws): New.
+       (vxor): New.
+
+2001-11-07  Daniel Berlin  <dan@cgsoftware.com>
+
+       * Makefile.in (df.o): Add fibheap.h to dependencies.
+
+       * df.h: Add prototypes for transfer functions, iterative_dataflow
+       functions.
+       (enum df_flow_dir): New enum.
+       (enum df_confluence_op): New enum.
+       (struct df): Add inverse_rts_map.
+
+       * df.c: Add sbitmap.h to the list of includes.
+       (df_rd_global_compute): Removed.
+       (df_ru_global_compute): Removed.
+       (df_lr_global_compute): Removed.
+       (df_rd_transfer_function): New function.
+       (df_ru_transfer_function): New function.
+       (df_lr_transfer_function): New function.
+       (df_analyse_1): allocate/compute/free df->inverse_rts_map.
+       Use iterative_dataflow_bitmap instead of df_*_global_compute.
+       (iterative_dataflow_sbitmap): New function.
+       (iterative_dataflow_bitmap): New function.
+
+2001-11-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Move terminology and spelling conventions to
+       htdocs/codingconventions.html.
+
+2001-11-07  Graham Stott  <grahams@redhat.com>
+
+       * cse.c (cse_insn): Emit BARRIER after unconditional jump.
+
+Wed Nov  7 13:33:34 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * expmed.c (expand_mult): Force operand to register before computing
+       cost.
+       * i386.c (x86_decompose_lea): New global vairable.
+       * i386.h (x86_decompose_lea): Declare.
+       (TARGET_DECOMPOSE_LEA): New macro.
+       (RTX_COST): Handle leas properly.
+
+2001-11-06  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/elf.h (DO_SELECT_SECTION): TREE_READONLY is not
+       defined for a CONSTRUCTOR; don't check it.
+
+2001-11-06  Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * gcov.c (output_data): Use IS_ABSOLUTE_PATHNAME to
+       test for absolute pathnames.
+
+2001-11-06  Olivier Hainque <hainque@act-europe.fr>
+
+       * unwind-dw2.c (execute_cfa_program): Evaluate call frame
+       instructions up to the target pc inclusive.
+
+2001-11-06  Steve Christiansen  <smc@us.ibm.com>
+
+       * loop.c (loop_regs_scan):  Don't invalidate PIC register.
+
+2001-11-06  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.md(movdf_internal2): Add constraints for float
+       to general register move.
+       * config/mips/elf64.h: Add default ABI.
+
+2001-11-06  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * alias.c:: Include langhooks.h.
+       * emit-rtl.c: Similarly.
+       * toplev.c: Similarly.
+       * tree-inline.c: Similarly.
+       * langhooks-def.h: New, the old langhooks.h.  Give the default
+       hooks a common prefix.
+       * langhooks.h: Contents extracted from toplev.h.
+       * toplev.h: Move langhook stuff to langhooks.h.
+       * langhooks.c: Give default hooks a common prefix.
+
+       * c-lang.c: Include langhooks-def.h.
+       * objc/objc-act.c: Similarly.
+       * Makefile.in: Update.
+       * objc/Make-lang.in: Update.
+
+2001-11-06  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi: Document that configure options not listed in
+       this file are unsupported.  Document --with-system-zlib.
+
+Tue Nov  6 09:21:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * rtl.h (mem_for_const_double): New declaration.
+       * varasm.c (mem_for_const_double): New function.
+       * config/convex/convex.md (movdf): Use it.
+       * config/m68k/hp320.h (LEGITIMATE_PIC_OPERAND_P): Likewise.
+       * config/m68k/linux.h, config/m68k/m68k.h: Likewise.
+       * config/m68k/m68kv4.h: Likewise.
+
+       * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Adjust for addition
+       of new GP reg classes.
+
+       * expr.c (store_field): When making temp object for unaligned
+       component, set it to alias set 0.
+
+2001-11-06  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (c_expand_expr_stmt): Apply default conversions to
+       non-lvalue arrays if C99.
+       * c-typeck.c (default_conversion): Split out code handling
+       array-to-pointer and function-to-pointer conversions into a
+       separate default_function_array_conversion function.
+       (default_function_array_conversion): New function.  Keep track of
+       whether any NON_LVALUE_EXPRs were stripped.  Return non-lvalue
+       arrays unchanged outside C99 mode instead of giving an error for
+       them.
+       (build_component_ref): Use pedantic_non_lvalue when handling
+       COMPOUND_EXPR.  Don't handle COND_EXPR specially.
+       (convert_arguments): Use default_function_array_conversion.
+       (build_unary_op): For ADDR_EXPR, take a flag indicating whether
+       non-lvalues are OK.
+       (unary_complex_lvalue): Likewise.
+       (internal_build_compound_expr): Use
+       default_function_array_conversion.  Apply default conversions to
+       function in compound expression.
+       (build_c_cast, build_modify_expr, digest_init, build_asm_stmt):
+       Use default_function_array_conversion.
+       * doc/extend.texi: Update documentation of subscripting non-lvalue
+       arrays.
+       Fixes PR c/461.
+
+2001-11-05  Zack Weinberg  <zack@codesourcery.com>
+
+       * aclocal.m4: (AM_WITH_NLS): Don't look at ALL_LINGUAS.
+       (AM_GNU_GETTEXT): Set CATALOGS to a list of .gmo files
+       corresponding to the complete set of .po and .gmo files in
+       the source directory's po subdir, modified by LINGUAS.  Don't
+       look at ALL_LINGUAS.
+       * configure.in: Don't set ALL_LINGUAS.
+       * configure: Regenerate.
+
+       * Makefile.in (.po.gmo): Don't move into source directory.
+       (.po.pox): Clarify comments.
+       (install-po): Look for .gmo files in both srcdir and objdir;
+       don't fail if a file is totally missing.
+       (distclean): rmdir ada subdirectory too.
+
+2001-11-05  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_select_section): Handle
+       CONSTRUCTORs _correctly_.
+
+2001-11-05  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * c-decl.c (delete_block): Remove.
+       * c-tree.h (delete_block): Remove.
+
+2001-11-05  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cppexp.c (lex, parse_defined): Update warning about defined.
+
+2001-11-05  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_select_section): Handle
+       CONSTRUCTORs too.
+
+2001-11-05  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.c (arm_return_in_memory): Cope with
+       int_size_in_bytes returning -1.
+
+       * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Handle
+       DECL being NULL.
+
+Mon Nov  5 16:15:25 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * Makefile.in (bb-reorder.o): Add dependency on cfglayout.h;
+       remove unneeded dependencies;
+       (cfglayout.o): New.
+       * cfglayout.c, cfglayout.h: New files; break out from ...
+       * bb-reorder.c: ... here; Remove unneeded includes;
+
+2001-11-04  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Mark r2 as used.
+
+2001-11-04  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (rs6000_emit_move): Handle 64-bit
+       mode as well.  Do not explicitly create intermediate regs.
+
+2001-11-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * arm/aof.h (aof_text_section, aof_data_section): Don't declare.
+       (common_section): Delete unused variable.
+       (ASM_OUTPUT_ASCII): Fix signed/unsigned warnings.
+       (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning.
+       * arm-protos.h (arm_poke_function_name, aof_add_import,
+       aof_delete_import): Const-ify.
+       * arm.c (legitimize_pic_address): Wrap variables in the macro
+       controlling their usage.
+       (arm_finalize_pic): Mark variable with ATTRIBUTE_UNUSED.
+       (arm_poke_function_name, pic_chain, import, aof_add_import,
+       aof_delete_import): Const-ify.
+       * i386.c (ix86_osf_output_function_prologue): Const-ify.
+       * i386/sysv4.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE,
+       ASM_OUTPUT_LONG_DOUBLE): Fix format specifier warnings.
+       * i860/fx2800.h (DBX_OUTPUT_STANDARD_TYPES): Const-ify.
+       * i860/sysv3.h: Add missing comment closure.
+       * m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Add missing semi-colon.
+       * m88k/dgux.h (SELECT_RTX_SECTION): Add missing argument in call
+       to symbolic_operand.
+
+       * config.gcc (m680[02]0-*-*): Rename case from m68000-*-*.
+       (i960-*-*): Set tmake_file.
+       (sparc86x-*-elf*): Fix typo in header name.
+
+       * sched-rgn.c (schedule_insns): Delete unused variable.
+
+2001-11-04  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       PR c/2820
+       * c-typeck.c (lookup_field): Rework to return a chain down to
+       the looked-up field.
+       (build_component_ref): Use the new lookup_field to handle
+       nested anonymous entities correctly.
+
+Sun Nov  4 11:53:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/sparc/sparc.c (sparc_emit_set_const32, GEN_HIGHINT64):
+       Change parameters to gen_rtx_CONST_DOUBLE.
+       (GEN_INT64, sparc_emit_set_const64): Likewise.
+       * config/sparc/sparc.md (movdf split): Likewise.
+
+2001-11-03  Geoffrey Keating  <geoffk@redhat.com>
+
+       * unroll.c (calculate_giv_inc): Use find_last_value rather
+       than just hoping the last instruction is the right SET.
+       [Fixes 990604-1.c on stormy16.]
+
+       * config/stormy16/stormy16.h (LIB_SPEC): Don't supply any libgloss
+       library at all if -T is used.
+
+       * config/stormy16/stormy16.c (stormy16_print_operand): Avoid
+       some uses of uninitialized variables in error cases.
+
+       * config/stormy16/stormy16.c (stormy16_output_shift): Don't
+       look at 'temp' if we won't be using it.
+
+       * config/stormy16/stormy16.h (CONST_COSTS): Define.
+       (RTX_COSTS): Define.
+       (ADDRESS_COST): Define.
+       (MEMORY_MOVE_COST): Allow for memory_move_secondary_cost.
+
+       * config/stormy16/stormy16.h (ASM_SPEC): Pass -g to the assembler.
+
+       * config/stormy16/stormy16.h (ASM_OUTPUT_MI_THUNK): Call
+       stormy16_asm_output_mi_thunk.
+       * config/stormy16/stormy16.c (stormy16_asm_output_mi_thunk): New
+       function.
+       * config/stormy16/stormy16-protos.h
+       (stormy16_asm_output_mi_thunk): New prototype.
+
+2001-11-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * ChangeLog.2, ChangeLog.4, ChangeLog.5, ChangeLog,
+       FSFChangeLog.10, FSFChangeLog.11, alias.c, attribs.c,
+       caller-save.c, calls.c, cfg.c, cfganal.c, cfgcleanup.c, cfgrtl.c,
+       cppmacro.c, fold-const.c, ifcvt.c, local-alloc.c, profile.c,
+       sched-int.h, toplev.c, config/alpha/alpha.c,
+       config/alpha/alpha.md, config/c4x/c4x.h, config/cris/cris.h,
+       config/cris/cris.md, config/i370/i370.md, config/i386/i386.c,
+       config/i386/i386.h, config/i386/i386.md, config/i386/xm-djgpp.h,
+       config/ia64/ia64.c, config/m68hc11/m68hc11.c, config/m68k/m68k.md,
+       config/mcore/mcore.h, config/mmix/mmix.c, config/ns32k/ns32k.h,
+       config/ns32k/ns32k.md, config/rs6000/rs6000.c,
+       config/rs6000/sysv4.h, config/sh/sh.md: Fix spelling errors.
+
+2001-11-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (dbxout.o): Depend on function.h.
+       * collect2.c (is_in_list): Hide unused function.
+       * dbxout.c: Include function.h.
+       (source_label_number, dbxout_source_line, dbxout_source_file,
+       dbxout_function_end, dbxout_begin_function): Wrap/move inside
+       macros controlling usage.
+       * gcc.c (TARGET_EXECUTABLE_SUFFIX): Undef before defining.
+       * output.h (exports_section): Prototype.
+
+       * convex.c (convex_output_function_prologue): Fix format specifier
+       warning.
+       (asm_declare_function_name): Fix signed/unsigned warning.
+       (print_operand): Fix format specifier warning.
+       * convex.h (S_REGNO_P, A_REGNO_P): Fix signed/unsigned warning.
+       * dsp16xx-protos.h (uns_comparison_operator,
+       num_1600_core_shifts): Prototype.
+       * dsp16xx.c: Include tm_p.h, not dsp16xx-protos.h.
+       (frame_size, frame_pointer_offset): Delete.
+       (dsp16xx_output_function_prologue, dsp16xx_output_function_epilogue):
+       Make static.  Fix format specifier warnings.
+       * dsp16xx.h (IS_ACCUM_REG): Fix unsigned>=0 warning.
+       (EXTRA_SECTION_FUNCTIONS): Prototype const_section.
+       * dsp16xx.md: Add default case in switches.
+       * fr30.h (IN_RANGE): Delete.
+       * ia64.h (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings.
+       * mcore-protos.h (mcore_output_cmov): Const-ify.
+       * mcore.c (mcore_output_cmov): Likewise.
+       * mcore.h (switch_to_section): Make static and prototype.
+       * mn10200.h (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Fix
+       unsigned>=0 warnings.
+       * mn10300.h (REGNO_IN_RANGE_P): Likewise.
+       * rs6000-protos.h (read_only_data_section,
+       read_only_private_data_section): Prototype.
+       * rs6000.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+       * sh.c (sh_adjust_cost): Mark parameter with ATTRIBUTE_UNUSED.
+       * sh.h (GENERAL_REGISTER_P): Fix unsigned>=0 warning.
+
+2001-11-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * dwarf2asm.c (dw2_asm_output_pcrel): Mark parameters with
+       ATTRIBUTE_UNUSED.
+       * final.c (final_scan_insn): Add brackets around body of if-stmt.
+       * gcc.c (convert_filename): Add static prototype.  Const-ify.
+       Wrap variable in macros controlling its use.
+       * output.h (sdata_section): Add prototype.
+
+       * 1750a.h (EXTRA_SECTION_FUNCTIONS): Add prototype.
+       (ASM_OUTPUT_ASCII): Avoid signed/unsigned warning.
+       * c4x.h (INIT_SECTION_FUNCTION): Add prototype.
+       (ASM_FILE_START): Const-ify.
+       (ASM_OUTPUT_BYTE_FLOAT, ASM_OUTPUT_SHORT_FLOAT): Fix format
+       specifier warning.
+       * c4x.md: Don't use the 'U' integer suffix.
+       * clipper.md (clipper_movstr): Delete declaration.
+       * d30v-protos.h (d30v_move_2words): Const-ify.
+       (debug_stack_info): Add prototype.
+       * d30v.c: Include "integrate.h".
+       (d30v_function_arg_boundary, d30v_function_arg,
+       d30v_function_arg_partial_nregs, d30v_function_arg_advance): Avoid
+       signed/unsigned warnings.
+       (d30v_print_operand_memory_reference, d30v_move_2words):
+       Const-ify.
+       * d30v.h (REG_CLASS_FROM_LETTER): Use unsigned array subscript.
+       * fr30.c (fr30_pass_by_reference, fr30_pass_by_value): Prototype.
+       * fr30.md: Const-ify.
+       * h8300.h (EXTRA_SECTION_FUNCTIONS): Add prototype.
+       * i370.c (i370_label_scan, mvs_get_label): Make definition static.
+       (mvs_get_label_page): Hide unused static function.
+       * i860.c (current_function_original_name): Const-ify.
+       * i860/sysv3.h (current_function_original_name): Likewise.
+       * i860/sysv4.h (current_function_original_name): Likewise.
+       * i960.md: Add default case in switches.  Remove unused variable.
+       * i960/vx960-coff.h (MULTILIB_DEFAULTS): Undef before defining.
+       * m32r.md: Const-ify.
+       * m68hc11-protos.h (m68hc11_asm_file_start): Const-ify.
+       * m68hc11.c: Include "reload.h".
+       (static_chain_reg, print_options, m68hc11_asm_file_start):
+       Const-ify.
+       * m68hc11.md: Delete unused variable.  Const-ify.  Add parens
+       around & in comparison.
+       * mcore.h (TARGET_ASM_NAMED_SECTION): Undef before defining.
+       * mn10200.c (shift_mode): Remove trailing comma.
+       * mn10300-protos.h (output_tst): Const-ify.
+       * mn10300.c (output_tst): Likewise.
+       * pa/long_double.h (ASM_OUTPUT_LONG_DOUBLE): Fix format specifier
+       warnings.
+       * pa-protos.h (output_ascii): Use regular char *, not unsigned.
+       * pa.c (output_ascii): Likewise.
+       * pa/som.h (EXTRA_SECTION_FUNCTIONS): Add prototype.
+       * pdp11.md (expand_unop): Delete declarations.
+       * pj-protos.h (pj_output_addsi3): Const-ify.
+       * pj.c (pj_output_push_int, pj_output_load, pj_output_inc,
+       pj_output_cnv_op, mode_to_char, pj_output_varidx, pj_print_cond,
+       unique_src_operand): Add prototypes.
+       (pj_output_store_into_lval): Make definition static.
+       (pj_function_incoming_arg): Don't use unary plus.
+       (pj_output_addsi3): Const-ify.
+       * romp.md (get_symref): Delete declarations.
+       * v850-c.c (mark_current_function_as_interrupt): Don't return
+       value from void function.
+       * v850.c: Include "integrate.h".
+       * v850.h (ASM_OUTPUT_LABELREF): Const-ify.
+       * vax-protos.h (const_section): Add prototype.
+
+2001-11-03  Aldy Hernandez  <aldyh@redhat.com>
+
+       * machmode.def: Add documentation for the seventh argument in
+       vector modes.
+
+2001-11-04  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * doc/invoke.texi (MMIX Options) <-mno-knuthdiv>: Say remainder
+       consistently.
+       <-mno-toplevel-symbols>: Change @code{:} to @samp{:}.
+       <-melf>: Don't have markup for ELF acronym.
+
+2001-11-03  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * config.gcc (mmix-*-*): New target.
+       * doc/invoke.texi: Document MMIX options.
+       * doc/contrib.texi: Add note about MMIX port to my entry.
+       * config/mmix/t-mmix: New file.
+       * config/mmix/mmix.h: New file.
+       * config/mmix/mmix-protos.h: New file.
+       * config/mmix/mmix.c: New file.
+       * config/mmix/mmix.md: New file.
+       * config/mmix/crti.asm: New file.
+       * config/mmix/crtn.asm: New file.
+
+2001-11-03  Kazu Hirata  <kazu@hxi.com>
+
+       * config/sparc/linux-aout.h: Fix comment formatting.
+       * config/sparc/linux.h: Likewise.
+       * config/sparc/linux64.h: Likewise.
+       * config/sparc/lynx.h: Likewise.
+       * config/sparc/pbd.h: Likewise.
+       * config/sparc/sol2-sld-64.h: Likewise.
+       * config/sparc/sol2.h: Likewise.
+       * config/sparc/sparc.c: Likewise.
+       * config/sparc/sparc.h: Likewise.
+       * config/sparc/sparc.md: Likewise.
+       * config/sparc/sunos4.h: Likewise.
+       * config/sparc/vxsim.h: Likewise.
+       * config/sparc/vxsparc.h: Likewise.
+       * config/sparc/vxsparc64.h: Likewise.
+
+Sat Nov  3 10:37:56 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * cselib.c (cselib_subst_to_values, case CONST_DOUBLE): Remove
+       reference to CONST_DOUBLE_MEM in comment.
+       * emit-rtl.c (gen_rtx_CONST_DOUBLE): Remove one operand.
+       (gen_rtx, case CONST_DOUBLE): Call it with one less operand.
+       (init_emit_once): Don't clear CONST_DOUBLE_MEM.
+       * function.c (pop_function_context_from): Don't call
+       restore_varasm_status.
+       * function.h (restore_varasm_status): Delete declaration.
+       * gengenrtl.c (CONST_DOUBLE_FORMAT): Delete CONST_DOUBLE_MEM slot.
+       * rtl.c: Likewise.
+       * rtl.def (CONST_DOUBLE): Update comment.
+       * rtl.h (CONST_DOUBLE_HIGH, CONST_DOUBLE_LOW): Update operand number.
+       (CONST_DOUBLE_CHAIN): Likewise.
+       (CONST_DOUBLE_MEM): Delete.
+       (gen_rtx_CONST_DOUBLE): Update parameters.
+       * varasm.c (struct varasm_status): x_pool_offset now HOST_WIDE_INT.
+       Remove reference to CONST_DOUBLE_MEM.
+       (const_alias_set): New variable.
+       (immed_double_const): Change call to gen_rtx_CONST_DOUBLE.
+       (immed_real_const_1): Adjust tests for 0, 1, and 2.
+       Don't set CONST_DOUBLE_MEM.
+       (clear_const_double_mem): Don't do anything with const_tiny_rtx.
+       (output_constant_def): Don't look at TREE_CST_RTL if INTEGER_CST.
+       Put constant in const_alias_set.
+       (struct pool_constant): ALIGN now unsigned.
+       OFFSET now HOST_WIDE_INT.
+       Delete LABEL.
+       (restore_varasm_status): Deleted.
+       (mark_pool_constant): Mark desc->rtl.
+       (force_const_mem): Rework to store rtl in hash table,
+       not CONST_DOUBLE_MEM.
+       Put constant in const_alias_set.
+       (find_pool_constant): Check desc->rtl.
+       (mark_constants, mark_constant): Don't special-case CONST_DOUBLE.
+       (init_varasm_once): Initialize const_alias_set.
+
+       * expr.c (expand_expr, case ADDDR_EXPR): If at top level, don't call
+       force_const_mem.
+
+       * reload.c (combine_reloads): Don't combine an output reload if there
+       are other reloads around for part of the output.
+
+       * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a
+       constant expression.
+       (set_mem_decl): New function.
+       * expr.h (set_mem_decl): New declaration.
+       * final.c (get_decl_from_op): Don't use ORIGINAL_REGNO if not pseudo.
+       (output_asm_operand_names): Add tab.
+       * reload1.c (alter_reg): Set decl of MEM from REG_DECL.
+
+       * builtins.c (get_memory_rtx): Properly set MEM alias set and
+       attributes.
+
+2001-11-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/tm.texi:
+       Use "invalid" instead of "illegal".  Use @r in comments in
+       examples.
+
+2001-11-02  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (pushdecl): Move block inside if conditional to remove
+       possibility of a segfault.  Lookup block-level extern
+       variables in enclosing scopes correctly.
+
+       * testsuite/gcc.c-torture/compile/20001018-1.x: Remove XFAIL.
+
+2001-11-02  Aldy Hernandez  <aldyh@redhat.com>
+
+       * expmed.c (store_bit_field): Use simplify_gen_subreg to make
+       SUBREG so we avoid SUBREGing memory.
+
+       * expmed.c (store_bit_field): Same.
+
+2001-11-02  DJ Delorie  <dj@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_emit_move): Make sure that
+       using FP registers for DImode mem-mem moves is acceptable.
+
+2001-11-02  Aldy Hernandez  <aldyh@redhat.com>
+
+       * builtins.c (apply_args_size): Handle vector arguments.
+       (apply_result_size): Same.
+
+       * machmode.def: Set WIDER mode field for all vector entries.
+
+2001-11-02  Graham Stott  <grahams@redhat.com>
+
+       * recog.c (decode_asm_operands):  Check that the SRC is ASM_OPERANDS.
+
+2001-11-01  Eric Christopher  <echristo@redhat.com>
+
+       * config.gcc: Revert part of earlier patch.
+       * config/mips/linux.h: Ditto.
+       * df.c: Include tm_p.h to avoid warnings.
+       * config/mips/mips.h (ABI_GAS_ASM_SPEC): Add defaults.  Adjust
+       #if/#endif.
+       * config/mips/mips.c: Define mips_abi regardless.
+       (mips_output_function_prologues): Add long casts for .frame
+       output.
+       (override_options): Allow use of ABI_32.
+
+2001-11-01  Kazu Hirata  <kazu@hxi.com>
+
+       * config/m68hc11/m68hc11.c: Fix comment formatting.
+       * config/m68hc11/m68hc11.h: Likewise.
+       * config/m68hc11/m68hc11.md: Likewise.
+
+2001-11-01  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-typeck.c (default_conversion): Retain the original expression
+       codes.
+       * gcc.dg/Wparentheses.c: New tests.
+
+2001-11-01  David S. Miller  <davem@redhat.com>
+
+       * doc/install.texi (Specific, sparc-sun-solaris2*): Bring
+       64-bit SPARC description more in line with reality.
+
+2001-11-01  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * Makefile.in (GCOV_OBJS): Add version.o.
+       * gcov.c: Include "version.h" and <getopt.h>.
+       (gcov_version_string): Remove.
+       (print_usage): Take a parameter to determine whether this is a
+       call from --help or an error message.  Give fuller output that
+       follows the GNU Coding Standards for --help.
+       (print_version): New function.
+       (options): New.
+       (process_args): Use getopt_long.  Support long options.  Follow
+       GNU Coding Standards for --help and --version.
+       * doc/gcov.texi: Document long options.
+       Addresses part of PR other/704.
+
+2001-11-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (output_move_double): Fix typo in double load.
+
+2001-11-01  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (h8300_encode_label): Compute a string
+       before passing it to ggc_alloc_string.
+
+2001-11-01  Kazu Hirata  <kazu@hxi.com>
+
+       * config/m68k/3b1.h: Fix comment formatting.
+       * config/m68k/3b1g.h: Likewise.
+       * config/m68k/a-ux.h: Likewise.
+       * config/m68k/amix.h: Likewise.
+       * config/m68k/apollo68.h: Likewise.
+       * config/m68k/atari.h: Likewise.
+       * config/m68k/aux-exit.c: Likewise.
+       * config/m68k/ccur-GAS.h: Likewise.
+       * config/m68k/crds.h: Likewise.
+       * config/m68k/dpx2.h: Likewise.
+       * config/m68k/dpx2g.h: Likewise.
+       * config/m68k/hp310.h: Likewise.
+       * config/m68k/hp320.h: Likewise.
+       * config/m68k/isi.h: Likewise.
+       * config/m68k/linux.h: Likewise.
+       * config/m68k/lynx.h: Likewise.
+       * config/m68k/m68k-psos.h: Likewise.
+       * config/m68k/m68k.c: Likewise.
+       * config/m68k/m68k.h: Likewise.
+       * config/m68k/m68k.md: Likewise.
+       * config/m68k/m68kelf.h: Likewise.
+       * config/m68k/m68kv4.h: Likewise.
+       * config/m68k/mot3300.h: Likewise.
+       * config/m68k/news.h: Likewise.
+       * config/m68k/next.h: Likewise.
+       * config/m68k/pbb.h: Likewise.
+       * config/m68k/plexus.h: Likewise.
+       * config/m68k/sgs.h: Likewise.
+       * config/m68k/sun3.h: Likewise.
+       * config/m68k/tower.h: Likewise.
+       * config/m68k/vxm68k.h: Likewise.
+
+2001-10-31  DJ Delorie  <dj@redhat.com>
+
+       * config/mips/mips.h (mips_cache_flush_func): Prototype.
+       (TARGET_OPTIONS): Support -mflush-func= and -mno-flush-func.
+       (INITIALIZE_TRAMPOLINE): Use mips_cache_flush_func if nonzero.
+       * config/mips/mips.c (mips_cache_flush_func): New.
+       * doc/invoke.texi: Document the new options.
+
+2001-10-31  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config.gcc (cris-*-linux*, tm_file): Rearrange order.
+       * config/cris/linux.h (LIB_SPEC, STARTFILE_SPEC): Don't redefine.
+
+       * config/cris/cris.h (EH_RETURN_DATA_REGNO): Fix formatting.
+
+       * config/cris/cris.c: Include output.h after tree.h but before
+       target.h.
+
+2001-10-31  Zack Weinberg  <zack@codesourcery.com>
+
+       * Makefile.in (INTL_TARGETS, POSUB): Delete all references.
+       (INTL_SUBDIRS): Just intl.
+       (.SUFFIXES): Add .gmo .po .pox.
+       (native): Also depend on build-@POSUB@.
+       (intl.all, intl.install): Depend on config.h and things it includes.
+       (po-generated): New target; depend on c-parse.c and tradcif.c.
+       (install-normal): Also depend on install-@POSUB@.
+       (XGETTEXT, GMSGFMT, MSGMERGE, PACKAGE, CATALOGS): New variables.
+       (build-, install-, build-po, update-po, install-po,
+       .po.gmo, .po.pox, $(PACKAGE).pot, po/$(PACKAGE).pot): New rules.
+
+       * aclocal.m4: Prefix each entry in CATALOGS with "po/"
+       * configure.in: Don't munge XGETTEXT.  Don't generate
+       po/Makefile.in.
+       * configure: Regenerate.
+
+       * exgettext: Delete.
+       * config/m68k/m68k.h: Add doc strings for -msky and -mnosky.
+       * objc/Make-lang.in: Replace $(INTL_TARGETS) with po-generated.
+
+2001-10-31  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (two anonymous patterns): New.
+
+2001-10-31  Aldy Hernandez  <aldyh@redhat.com>
+
+       * tree.h (tree_index): Add support for V16QI and V8HI.
+       (V8HI_type_node): New.
+       (V16QI_type_node): New.
+
+       * tree.c (build_common_tree_nodes_2): Same.
+
+       * c-common.c (type_for_mode): Same.
+
+2001-10-31  Kazu Hirata  <kazu@hxi.com>
+
+       * config/i386/att.h: Fix comment formatting.
+       * config/i386/beos-elf.h: Likewise.
+       * config/i386/bsd.h: Likewise.
+       * config/i386/bsd386.h: Likewise.
+       * config/i386/crtdll.h: Likewise.
+       * config/i386/cygwin.asm: Likewise.
+       * config/i386/cygwin.h: Likewise.
+       * config/i386/djgpp.h: Likewise.
+       * config/i386/freebsd-aout.h: Likewise.
+       * config/i386/freebsd.h: Likewise.
+       * config/i386/gas.h: Likewise.
+       * config/i386/i386-interix.h: Likewise.
+       * config/i386/i386-protos.h: Likewise.
+       * config/i386/i386.c: Likewise.
+       * config/i386/i386.h: Likewise.
+       * config/i386/i386.md: Likewise.
+       * config/i386/i386elf.h: Likewise.
+       * config/i386/interix.c: Likewise.
+       * config/i386/isc.h: Likewise.
+       * config/i386/isccoff.h: Likewise.
+       * config/i386/iscdbx.h: Likewise.
+       * config/i386/linux.h: Likewise.
+       * config/i386/lynx.h: Likewise.
+       * config/i386/mingw32.h: Likewise.
+       * config/i386/netbsd-elf.h: Likewise.
+       * config/i386/next.h: Likewise.
+       * config/i386/osf1elf.h: Likewise.
+       * config/i386/osfrose.h: Likewise.
+       * config/i386/sco5.h: Likewise.
+       * config/i386/seq-gas.h: Likewise.
+       * config/i386/seq-sysv3.h: Likewise.
+       * config/i386/sequent.h: Likewise.
+       * config/i386/sol2.h: Likewise.
+       * config/i386/sun386.h: Likewise.
+       * config/i386/uwin.asm: Likewise.
+       * config/i386/uwin.h: Likewise.
+       * config/i386/vxi386.h: Likewise.
+       * config/i386/win32.h: Likewise.
+       * config/i386/winnt.c: Likewise.
+       * config/i386/xm-cygwin.h: Likewise.
+       * config/i386/xm-mingw32.h: Likewise.
+
+2001-10-31  Kazu Hirata  <kazu@hxi.com>
+
+       * builtins.def: Fix comment typos.
+       * config/alpha.c: Likewise.
+       * config/arm/arm.c: Likewise.
+       * config/avr/avr.h: Likewise.
+       * config/d30v/d30v.c: Likewise.
+       * config/d30v/d30v.h: Likewise.
+       * config/d30v/d30v.md: Likewise.
+       * config/dsp16xx/dsp16xx.c: Likewise.
+       * config/fr30/fr30.c: Likewise.
+       * config/fr30/fr30.md: Likewise.
+       * config/i386/i386.c: Likewise.
+       * config/i860/i860.c: Likewise.
+       * config/i960/i960.c: Likewise.
+       * config/ia64/ia64.c: Likewise.
+       * config/mips/mips.c: Likewise.
+       * config/pa/pa.c: Likewise.
+       * config/rs6000/rs6000.c: Likewise.
+       * config/s390/s390.c: Likewise.
+       * config/sparc/sparc.c: Likewise.
+
+2001-10-30  Kazu Hirata  <kazu@hxi.com>
+
+       * config/mips/elf.h: Fix comment formatting.
+       * config/mips/elf64.h: Likewise.
+       * config/mips/iris5.h: Likewise.
+       * config/mips/iris5gas.h: Likewise.
+       * config/mips/iris6.h: Likewise.
+       * config/mips/isa3264.h: Likewise.
+       * config/mips/linux.h: Likewise.
+       * config/mips/mips.c: Likewise.
+       * config/mips/mips.h: Likewise.
+       * config/mips/mips.md: Likewise.
+       * config/mips/mips16.S: Likewise.
+       * config/mips/netbsd.h: Likewise.
+       * config/mips/osfrose.h: Likewise.
+       * config/mips/r3900.h: Likewise.
+       * config/mips/sni-svr4.h: Likewise.
+       * config/mips/svr4-t.h: Likewise.
+       * config/mips/ultrix.h: Likewise.
+
+2001-10-30  Daniel Berlin  <dan@cgsoftware.com>
+
+       * bitmap.c (bitmap_element_free): Don't forget to update head->indx
+       when we update head->current.
+
+2001-10-30  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * tree.c (id_string_size): Remove.
+       (dump_tree_statistics): Update.
+       * toplev.c (compile_file): If dumping stats, dump tree stats too.
+
+Tue Oct 30 19:00:43 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * sched-rgn.c (schedule_insns): Fix comment.
+
+2001-10-30  Zack Weinberg  <zack@codesourcery.com>
+
+       * configure.in: Correct previous change: don't assume that
+       gas's version number _isn't_ the last thing on the line, or
+       isn't the only number on the line, either.
+       * configure: Regenerate.
+
+2001-10-30  Kazu Hirata  <kazu@hxi.com>
+
+       * cfgcleanup.c: Fix a comment typo.
+
+2001-10-30  Kazu Hirata  <kazu@hxi.com>
+
+       * alias.c: Fix comment formatting.
+       * recog.c: Likewise.
+       * config/cris/cris.c: Likewise.
+       * config/cris/cris.h: Likewise.
+       * config/i960/i960.c: Likewise.
+       * config/i960/i960.h: Likewise.
+
+2001-10-30  Kazu Hirata  <kazu@hxi.com>
+
+       * config/arm/arm.c: Fix a comment typo.
+       * config/arm/arm.h: Likewise.
+       * config/ia64/ia64.c: Likewise.
+
+2001-10-30  Jakub Jelinek  <jakub@redhat.com>
+
+       * emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or
+       REG_EQUIV notes for ASM_OPERANDS.  Return the new note (if any).
+       * rtl.h (set_unique_reg_note): Change return value.
+       * gcse.c (try_replace_reg): Use set_unique_reg_note.
+       * cse.c (cse_insn): Likewise.
+       * expr.c (emit_move_insn): Likewise.
+       * explow.c (force_reg): Likewise.
+       * local-alloc (update_equiv_regs): Likewise.
+       * loop.c (move_moveables, load_mems): Likewise.
+       * reload (find_reloads): Likewise.
+
+2001-10-30  Paolo Bonzini  <bonzini@gnu.org>
+
+       Localization fixes.
+       * c-decl.c (parmlist_tags_warning, start_struct,
+       check_for_loop_decls): Separate messages for struct, union and
+       enum cases to allow for languages in which they have different
+       genders.
+       * c-format.c (scanf_flag_specs): Separate short and long name of
+       the assignment suppression feature.
+       (check_format_types): Localize "pointer" and "different types"
+       strings.
+       * c-lex.c (lex_number): Localize "an unsigned long int" and
+       related strings.
+       (lex_string) [MULTIBYTE_CHARS]: Use initial lowercase letter on
+       warning message.
+       * c-typeck.c (build_unary_up): Separate messages for increment and
+       decrement cases to allow for languages in which they use different
+       articles.  Localize the strings "increment" and "decrement" in one
+       case.
+
+Tue Oct 30 11:08:11 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * lcm.c (optimize_mode_switching):  Do not rebuild liveness information
+       when no changes has been made.
+
+       * gcse.c (reg_set_bitmap): Turn into reg_set.
+       (modify_mem_list_set, canon_modify_mem_list_set)
+       (clear_modify_mem_tables, free_modify_mem_tables): New.
+       (gcse_main); Use free_modify_mem_tables.
+       (free_gcse_mem): Likewise; free the bitmaps.
+       (alloc_gcse_main): Initialize the bitmaps.
+       (canon_list_insert): Set canon_modify_mem_list_set.
+       (record_last_mem_set_info): Likewise; set modify_mem_list_set.
+       (compute_hash_table): Use clear_modify_mem_tables.
+       (reset_opr_set_tables): Likewise.
+       (oprs_not_set_p): reg_set_bitmap is regset.
+       (mark_set, mark_clobber): Likewise.
+
+       * df.h (DF_EQUIV_NOTES): New constant.
+       (df_insn_refs_record): Record uses inside or REG_EQUIV/EQUAL notes
+       when asked for.
+
+       * sched-rgn.c (CHECK_DEAD_NOTES): New constant.
+       (init_regions, schedule_insns): Conditionalize the checking
+       code by CHECK_DEAD_NOTES; avoid multiple calls to update_life_info.
+
+Tue Oct 30 11:02:31 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movti_rex64 splitter): Fix condition.
+
+2001-10-29  Zack Weinberg  <zack@codesourcery.com>
+
+       * configure.in: Do not assume that gas's version number is the
+       last thing on the first line of as --version output.
+       * configure: Regenerate.
+
+       * tradcpp.c: Include intl.h.  Rename WARNING, ERROR, FATAL to
+       MT_WARNING, MT_ERROR, MT_FATAL.
+       (main): Call gcc_init_libintl.
+       (v_message): Call gettext on msgid and "warning: "
+       * tradcif.y: Include intl.h.
+       (yyerror): Make parameter definition consistent with
+       prototype.  Call gettext on msgid argument.
+
+2001-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * combine.c (num_sign_bit_copies): Avoid signed/unsigned
+       warnings.
+
+       * sparc/sol2.h: Include <sys/mman.h> when L_trampoline is defined.
+
+Mon Oct 29 19:22:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * reload1.c (eliminate_regs): Test for reg_renumber being allocated
+       before referencing it.
+
+2001-10-26  DJ Delorie  <dj@redhat.com>
+
+       * config/rs6000/sysv4.h (LINK_SPEC): Allow -msdata=none to
+       override -G, and force -G0.
+
+2001-10-29  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * ChangeLog.2, ChangeLog.3, ChangeLog.4, FSFChangeLog.10,
+       FSFChangeLog.11, c-common.c, c-common.def, c-common.h, c-decl.c,
+       c-dump.c, c-typeck.c, except.c, sdbout.c, simplify-rtx.c,
+       timevar.h, tree.h, varasm.c: Fix spelling errors and typos.
+
+       * loop.h (struct induction): Rename ext_dependant to
+       ext_dependent.
+       * loop.c: Change all uses.
+       (check_ext_dependant_givs): Rename to check_ext_dependent_givs.
+       All callers changed.
+       * timevar.c (DEFTIMEVAR): Fix spelling of identifier__ parameter.
+
+2001-10-29  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in (expr_no_commas, primary), c-typeck.c
+       (parser_build_binary_op): Use IS_EXPR_CODE_CLASS.
+
+2001-10-29  David Edelsohn  <edelsohn@gnu.org>
+
+       Undo assemble_name change in earlier patch.
+
+Mon Oct 29 21:11:40 2001  Nicola Pero  <n.pero@mi.flashnet.it>
+
+       * objc/objc-act.c (finish_message_expr): For the GNU runtime: when
+       determining the type of the receiver, do not check that TREE_CODE
+       of receiver is CALL_EXPR before calling receiver_is_class_object().
+       (receiver_is_class_object): For the GNU runtime: recognize
+       the case that the receiver is self in a class method context.
+       Check that TREE_CODE of receiver is CALL_EXPR when checking that
+       the receiver is a call to objc_get_class.
+
+2001-10-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.md (floatunssisf2): Set subreg 0 of operand 2 to zero.
+
+Mon Oct 29 07:23:33 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * Makefile.in (OBJS): Put all files in alphabetical order.
+
+       * dwarf2out.c (add_const_value_attribute): Fix error in last
+       change.
+
+Mon Oct 29 12:43:06 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (purge_all_dead_edges): Add update_life_p argument.
+       * cfgcleanup.c (merge_blocks): Update the life flag after merging;
+       fix warning.
+       * cfgrtl.c (purge_all_dead_edges): Allow updating of liveness.
+       (life_analysis): call purge_all_dead_edges after deleting noops.
+       (delete_noop_move): Do not purge CFG.
+       * toplev.c (rest_of_compilation): Update purge_all_dead_edges call.
+
+2001-10-28  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/aix31.h (ASM_OUTPUT_EXTERNAL): Use assemble_name.
+       * config/rs6000/darwin.h (RS6000_OUTPUT_BASENAME): Delete.
+       (ASM_GLOBALIZE_LABEL): Use assemble_name.
+       (ASM_OUTPUT_COMMON): Likewise.
+       * config/rs6000/rs6000.c (print_operand): Use assemble_name.
+       (rs6000_output_function_epilogue): Likewise.
+       (output_mi_thunk): Fix typo.
+       (rs6000_output_symbol_ref): Use assemble_name.
+       (output_toc): Likewise.
+       * config/rs6000/sysv4.h (RS6000_OUTPUT_BASENAME): Delete.
+       * config/rs6000/xcoff.h (RS6000_OUTPUT_BASENAME): Delete;
+       assemble_name calls STRIP_NAME_ENCODING.
+       (ASM_OUTPUT_LABEL): Use assemble_name.
+       (ASM_GLOBALIZE_LABEL): Likewise.
+       (ASM_DECLARE_FUNCTION_NAME): Likewise.
+       (ASM_OUTPUT_ALIGNED_COMMON): Indent pseudo-op.  Use assemble_name.
+       (ASM_OUTPUT_LOCAL): Likewise.
+
+Sun Oct 28 15:45:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case.
+       (expand_builtin_apply, expand_builtin_return): Likewise.
+       (expand_builtin_va_arg, expand_builtin_va_copy): Likewise.
+
+2001-10-28  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
+       ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11,
+       c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc,
+       configure, configure.in, except.c, except.h, flow.c, function.c,
+       gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def,
+       predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c,
+       sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c,
+       unroll.c: Fix spelling errors.
+
+       * doc/extend.texi, doc/invoke.texi: Fix spelling.
+
+       * doc/gcc.texi: Document use of "dependent" and American spelling.
+
+Sun Oct 28 17:05:36 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * expr.c (emit_group_load): Support CONCATs by storing them to memory
+       and reloading.
+
+Sun Oct 28 09:59:54 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (store_constructor_field): Only call adjust_address on MEM.
+
+Sun Oct 28 16:48:09 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * genrecog.c (write_switch):  Output if before switch for
+       DT_elt_zero_wide_safe.
+
+2001-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (toplev.o, halfpic.o): Depend on halfpic.h
+       * i386/osfrose.h (SUBTARGET_SWITCHES): Add missing comma.
+       (FUNCTION_PROFILER): Const-ify.
+       * halfpic.c: Include "expr.h", "output.h" and "halfpic.h".
+       (eliminate_constant_term, assemble_name, output_addr_const):
+       Remove declarations.
+       (ptr_half_pic_address_p, half_pic_hash): Prototype.
+       (all_refs, half_pic_prefix, half_pic_hash, half_pic_declare,
+       half_pic_external, half_pic_address_p, half_pic_ptr): Const-ify.
+       * halfpic.h (ptr_half_pic_address_p, half_pic_finish): Prototype.
+       (half_pic_declare, half_pic_external): Const-ify.
+       * toplev.c: Include "halfpic.h".
+
+2001-10-28  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * config/alpha/alpha.md, config/arm/arm.c, config/arm/arm.h,
+       config/d30v/d30v.h, config/fr30/fr30.c, config/i370/x-oe,
+       config/i386/i386.c, config/i386/i386-interix.h,
+       config/i386/i386.md, config/i386/i386.h, config/i386/sco5.h,
+       config/i860/i860.h, config/i860/i860.md, config/m68k/aux-exit.c,
+       config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.md,
+       config/ns32k/ns32k.h, config/pa/pa.c, config/rs6000/rs6000.c,
+       config/sparc/sparc.c, config/m68hc11/m68hc11.c,
+       config/cris/cris.c, config/cris/cris.h, config/s390/s390.c,
+       config/s390/s390.h, config/stormy16/stormy16.h, doc/tm.texi: Fix
+       spelling errors.
+
+       * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
+       ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS,
+       c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c,
+       collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h,
+       haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c,
+       regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c,
+       system.h, toplev.c: Fix spelling errors.
+
+Sat Oct 27 17:32:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * gcse.c (insert_insn_end_bb): Don't assume PAT is a SET.
+
+       * dwarf2out.c (reg_number): Abort if pseudo.
+       (reg_loc_descriptor): Return 0 if pseudo.
+       (is_based_loc): Return 0 if pseudo.
+       (mem_loc_descriptor): Return 0 for pseudo and handle 0 return from
+       recursive calls.
+       (concat_loc_descriptor): Return 0 if either part's descriptor is 0.
+       (loc_descriptor): Return 0 if can't find location and handle 0
+       return from recursive calls.
+       (loc_descriptor_from_tree): Likewise.
+       Fix handling of indirect.
+       Also return 0 for PLACEHOLDER_EXPR.
+       Clean up COMPONENT_REF cases.
+       (add_AT_location_descriptor): Simplify, but handle 0 return from
+       loc_descriptor.
+       (add_const_value_attribute): Avoid shift count warning.
+       (add_bound_info): Remove test for PLACEHOLDER_EXPR here.
+       Set comp_unit_die as context if not in function.
+
+       * config/mips/mips-protos.h: Break up long lines.
+       Remove needless #ifdef/#endif blocks.
+       Don't declare functions declared in file made by genpreds or recog.h.
+       * config/mips/mips.c (mips_output_function_prologue): TSIZE
+       is now HOST_WIDE_INT; delete unneeded casts.
+       * config/mips/mips.h: Don't use #elif.
+
+       * expr.c (stor_constructor_field): Always call adjust_address.
+       Copy TARGET before changing its alias set.
+       (store_field): Likewise, for TO_RTX.
+       (get_inner_reference): Stop at PLACEHOLDER_EXPR if can't find
+       replacement.
+       (safe_from_p, case ADDR_EXPR): Properly check for conflict.
+       (find_placeholder): Return 0 if can't find object.
+       (expand_expr, case PLACEHOLDER_EXPR): Abort if find_placeholder
+       returns 0.
+
+Sat Oct 27 16:31:23 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * ifcvt.c (if_convert): Call clear_aux_for_blocks.
+
+Sat Oct 27 12:12:09 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cfgcleanup.c (merge_blocks_move_predecessor_nojumps,
+       merge_blocks_move_successors_nojumps): Set BB_UPDATE_LIFE.
+       (merge_blocks): Properly udpate life after making edge nonfallthru.
+       * cfgrtl.c (merge_blocks_nomove): Update global_live_at_end.
+
+2001-10-26  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Remove redundant code.
+
+2001-10-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-typeck.c (convert_arguments): When comparing for enumeral
+       type equality, use TYPE_MAIN_VARIANT.
+       * gcc.dg/Wconversion.c: New tests.
+
+2001-10-26  Kazu Hirata  <kazu@hxi.com>
+
+       * s390/s390.c: Fix comment typos.
+       * s390/s390.h: Likewise.
+       * s390/s390.md: Likewise.
+
+2001-10-26  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tree-inline.c (WALK_SUBTREE_TAIL): New macro.
+       (walk_tree): Use it for tail calls where appropriate.
+
+2001-10-26  Alexandre Oliva  <aoliva@redhat.com>
+
+       * cse.c (check_for_label_ref): Don't require REG_LABEL notes for
+       non-local label_refs.
+
+2001-10-26  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (4 anonymous patterns): New.
+
+2001-10-26  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Clean up.  Return the
+       algorithm through the shift_info structure.
+       (emit_a_shift): Update the use of get_shift_alg.
+
+2001-10-27  Daniel Berlin  <dan@cgsoftware.com>
+
+       * sched-rgn.c: Remove bitset typedef.
+       Change bitset to sbitmap in prototypes / variable types.
+       Remove bbset_size.
+       Remove edgeset_bits.
+       Remove edgeset_size.
+       s/BITSET_ADD/SET_BIT/g
+       s/BITSET_INVERT/sbitmap_ones/g
+       s/BITSET_INTER/sbitmap_a_and_b/g
+       s/BITSET_UNION/sbitmap_a_or_b/g
+       s/BITSET_DIFFER/sbitmap_difference/g
+       s/bitset_member/TEST_BIT/g
+       (BITSET_*): Removed.
+       (bitset_member): Removed.
+       (extract_bitlst): Rewrite, now that we have sbitmaps, we can use
+       EXECUTE_IF_SET_IN_SBITMAP.
+       (split_edges): Rewrite, use sbitmap functions instead of bitset
+       operations.
+       (schedule_region): Allocate/free sbitmaps, rather than bitsets.
+
+2001-10-26  Andreas Schwab  <schwab@suse.de>
+
+       * reload1.c (emit_input_reload_insns): Fix parens in last
+       (undocumented) change that was supposed to change only whitespace.
+
+Fri Oct 26 07:18:08 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * cfgcleanup.c (BB_SET_FLAG, BB_CLEAR_FLAG): Add cast to avoid warning.
+
+       * local-alloc.c (update_equiv_regs): Don't make REG_EQUAL note for
+       ASM_OPERANDS.
+
+2001-10-26  Andreas Jaeger  <aj@suse.de>
+
+       * flow.c (clear_log_links): Remove unused variable.
+       * cfgcleanup.c (cleanup_cfg): Likewise.
+
+2001-10-26  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tree-inline.c (remap_decl): Don't copy size and size_unit here.
+       (remap_save_expr): Map a remapped SAVE_EXPR to error_mark_node.
+
+2001-10-26  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.h (enum reg_class): Add R24_REG, R25_REG;
+       rename PV_REG to R27_REG.
+       (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
+       (REG_CLASS_FROM_LETTER): Update.
+       (PREFERRED_RELOAD_CLASS): Don't widen a reg class.
+       * config/alpha/alpha.md (divsi3): Don't hard-code r24, r25, r27.
+       (udivsi3, modsi3, umodsi3): Likewise.
+       (divdi3, udivdi3, moddi3, umoddi3): Likewise.
+
+2001-10-26  Richard Henderson  <rth@redhat.com>
+
+       * cfg.c (clear_aux_for_blocks): Split out of ...
+       (free_aux_for_blocks): here.
+       (clear_aux_for_edges): Split from ...
+       (free_aux_for_edges): here.
+       * basic-block.h: Declare them.
+       * lcm.c (compute_antinout_edge): Use them.
+       (compute_laterin, compute_available, compute_nearerout): Likewise.
+       (optimize_mode_switching): Likewise.
+
+2001-10-26  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (unstage*): Remove as, ld, collect-ld before
+       moving everything back to the main build directory.
+
+2001-10-26  Christopher Faylor  <cgf@redhat.com>
+
+       * config/i386/cygwin.h: Search target specific include directory, if
+       appropriate.
+
+2001-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * dwarf2out.c (PTR_SIZE, default_eh_frame_section): Move outside
+       of macro guards. Fix #endif comment.
+
+       * output.h (default_exception_section, default_eh_frame_section):
+       Move prototypes outside of macro guard.
+
+       * crtstuff.c: Fix #endif comment.
+
+Thu Oct 25 12:21:58 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * doc/md.texi (movMM): Clarify semantics of storing into a
+       non-paradoxical SUBREG.
+
+2001-10-25  Zack Weinberg  <zack@codesourcery.com>
+
+       * langhooks.c (lang_hook_default_clear_binding_stack): New.
+       (lang_hook_default_get_alias_set): Move next to other alias
+       hooks.
+       * langhooks.h: Prototype lang_hook_default_clear_binding_stack.
+       (LANG_HOOKS_CLEAR_BINDING_STACK): New macro.
+       (LANG_HOOKS_INITIALIZER): Add it.
+       * toplev.h (struct lang_hooks): Add clear_binding_stack.
+       * toplev.c (compile_file):  Call lang_hooks.clear_binding_stack
+       instead of a loop calling poplevel.
+
+2001-10-25  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Replace
+       occurrences of #elif with #if...#endif.
+
+2001-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cris.h (EH_RETURN_DATA_REGNO): Fix unsigned>=0 warning.
+
+Thu Oct 25 08:46:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (can_address_p): No longer static.
+       * emit-rtl.c (get_mem_attrs): New parameter, MODE; all callers changed.
+       Return 0 if all parameters are default values.
+       (set_mem_attributes): Set MEM_KEEP_ALIAS_SET_P.
+       (adjust_address_1): Try harder to compute a size.
+       * expr.c (expand_assignment, store_constructor): If can't address,
+       set MEM_KEEP_ALIAS_SET_P.
+       (store_constructor_field): Don't change set if MEM_KEEP_ALIAS_SET_P.
+       (store_field): Likewise.
+       (store_constructor): Simplify call to store_constructor_field.
+       * expr.h (can_address_p): New declaration.
+       * gensupport.c (gen_rtx_CONST_INT): New function.
+       * rtl.h (MEM_KEEP_ALIAS_SET_P): New macro.
+       (MEM_SIZE): Get size from mode, if not set and not BLKmode.
+       (MEM_COPY_ATTRIBUTES): Copy MEM_KEEP_ALIAS_SET_P.
+
+       * stmt.c (expand_end_case): Remove orig_minval and use tree_low_cst.
+
+2001-10-24  Christopher Faylor  <cgf@redhat.com>
+
+       * config/i386/cygwin.h: Use proper path for mingw crt files when
+       -mno-cygwin.
+
+Wed Oct 24 18:43:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * dwarf2out.c (file_info_cmp): Always return consistent results.
+
+2001-10-24  Roger Sayle <roger@eyesopen.com>
+
+       * stmt.c (expand_end_case): Index jumptables from zero for
+       suitably small values of minval.
+
+2001-10-24  Jakub Jelinek  <jakub@redhat.com>
+
+       * stor-layout.c (place_union_field): If any field was aligned with
+       attribute aligned, set record type's TYPE_USER_ALIGN.
+       (place_field): Likewise.
+       (finalize_record_size): Don't clear TYPE_USER_ALIGN.
+       (layout_type) [ARRAY_TYPE]: Copy element's TYPE_USER_ALIGN.
+
+2001-10-24  Zack Weinberg  <zack@codesourcery.com>
+
+       * c-common.h (struct c_common_identifier): Remove rid_code field.
+       (C_RID_CODE): Use ->node.rid_code instead of ->rid_code.
+
+       * c-typeck.c (constructor_designated): New local flag.
+       (struct constructor_stack): Add "designated" field to match.
+       (start_init): Clear it.
+       (really_start_incremental_init, push_init_level): Push and
+       clear it.
+       (pop_init_level): Pop it.
+       (set_designator): Set it.
+
+       (pop_init_level): Suppress "missing initializer" warnings if
+       constructor_designated is true.
+       (process_init_element): Suppress warning about union
+       initialization under traditional C, if constructor_designated
+       is true.
+
+Wed Oct 24 15:35:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * integrate.c (copy_rtx_and_substitute, case CALL): Fix error in last
+       change.
+
+Wed Oct 24 13:26:12 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * h8300.h (RETURN_ADDR_RTX): Remove old, incorrect definition.
+
+2001-10-24  Dan Nicolaescu  <dann@ics.uci.edu>
+
+       * ssa-ccp.c (ssa_ccp_substitute_constants): Don't do anything if
+       the node was already a set to a constant.
+
+Wed Oct 24 12:41:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (set_mem_attributes): Fix typo in last change.
+       * print-rtl.c (print_rtx, case MEM): Improve display of MEM_DECL.
+
+2001-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * s390/linux.h (ASM_OUTPUT_BYTE): Fix format specifier warnings.
+       (ASM_OUTPUT_ASCII): Const-ify.  Fix signed/unsigned warning.
+       (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings.
+       * s390.c (s390_final_chunkify): Don't use string concatenation.
+       (s390_function_prologue, s390_function_epilogue): Const-ify.
+       * s390.h (FUNCTION_PROFILER): Remove unused variable.
+
+2001-10-24  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-decl.c (finish_decl): Don't add DECL_STMTs for nested function
+       prototypes.
+
+2001-10-23  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/x-darwin: Use -no-cpp-precomp instead of
+       -traditional-cpp in first-stage compilation.
+
+Tue Oct 23 21:45:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * gensupport.c (target_flags): Add.
+
+Tue Oct 23 13:05:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
+
+       * builtins.c (expand_builtin_setjmp): Only call convert_memory_address
+       if needed.
+       (expand_builtin_longjmp, expand_builtin_alloca): Likewise.
+       * except.c (expand_builtin_frob_return_addr): Likewise.
+       (expand_builtin_eh_return): Likewise.
+       * stmt.c (expand_computed_goto): Likewise.
+       * explow.c (memory_address): Likewise.
+       (allocate_dynamic_stack_space): Clean up predicate testing.
+       (probe_stack_range): Convert SIZE to Pmode.
+       * calls.c (rtx_for_function_call): Only call convert_memory_address
+       if needed.
+       Pass function call operand as ptr_mode, not Pmode.
+       * expr.c (expand_assignment): Clean up calls to convert_memory
+       address by only doing so when needed and making offsets Pmode.
+       (store_constructor, expand_expr, expand_expr_unaligned): Likewise.
+       * function.c (assign_parms): Ensure address in MEM for RESULT_DECL
+       is in Pmode, not ptr_mode.
+
+2001-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * darwin-protos.h (constructor_section, destructor_section,
+       mod_init_section, mod_term_section): Prototype.
+       * darwin.c (machopic_finish, update_non_lazy_ptrs, update_stubs):
+       Const-ify.
+       * darwin.h (ASM_DECLARE_OBJECT_NAME, ASM_DECLARE_FUNCTION_NAME):
+       Likewise.
+       (SECTION_FUNCTION): Prototype `FUNCTION'.  Delete
+       objc_section_init declaration.
+       (EXTRA_SECTION_FUNCTIONS): Prototype objc_section_init.
+       (objc_section_init, try_section_alias): Make static.
+       (alias_section): Make static and hide unused function.
+       (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning.
+
+Tue Oct 23 13:05:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (can_address_p): Compnonents are not addressable if
+       the containing type has alias set 0.
+       (get_alias_set): Rework to use STRIP_NOPS.
+       Only call front-end routine on object, type, or object with
+       NOPs stripped, not inner values.
+       Use language hook to call front-end routine.
+       * builtins.c (get_memory_rtx): Always call set_mem_attributes.
+       (expand_builtin_apply): Call set_mem_align on MEMs we make.
+       Don't pass alignment to emit_block_move.
+       (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
+       (expand_builtin_memset): Likewise, but for clear_storage.
+       * c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
+       and remove C++ specific parts.
+       * c-common.h (c_common_get_alias_set): Add declaration.
+       * c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
+       * calls.c (emit_call_1): Fix typo in sibcall_pop case.
+       (save_fixed_argument_area): Call set_mem_align.
+       Remove alignment in call to emit_block_move.
+       (emit_library_call_value_1, store_one_arg): Likewise.
+       (target_for_arg): Remove; disabled long ago.
+       * emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
+       once and similar cleanups.
+       (offset_address): Use proper introductory comment.
+       * expr.c (emit_block_move): Use alignment from that of MEM args, not
+       from explicit operand; all callers changed.
+       (clear_storage): Likewise.
+       (expand_assignment): Don't call set_mem_alias_set on to_rtx.
+       (store_field): Remove kludge on alias set used for to_rtx.
+       (highest_pow2_factor, case *_DIV_EXPR): Never return 0.
+       (expand_expr_unaligned): Call set_mem_attributes instead of
+       set_mem_alias_set.
+       * expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
+       * function.c (assign_stack_temp_for_type): Set MEM alignment.
+       (expand_function_end): Track MEM attributes of trampolines.
+       * ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
+       * integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
+       attributes from original.
+       * langhooks.c (lang_hook_default_get_alias_set): New function.
+       (hook_get_alias_set_0): New function.
+       * langhooks.h (hook_get_alias_set_0): New declaration.
+       (lang_hook_default_get_alias_set): Likewise.
+       (LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
+       * reload1.c (alter_reg): Use adjust_address_nv.
+       * rtl.c (get_mode_alignment): Moved to here.
+       * rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
+       change default if unknown from 1 to BITS_PER_UNIT.
+       * stor-layout.c (get_mode_alignment): Remove from here.
+       * toplev.h (struct lang_hoks): Add get_alias_set field.
+       * tree.h (lang_get_alias_set): Delete declaration.
+       * config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
+       * config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
+       (ix86_va_arg): Likewise.
+       * config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
+       * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
+       * config/sparc/sparc.c (sparc_va_arg): Likewise.
+       * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
+       (expand_block_move_mem): Remove dead code.
+
+2001-10-22  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c (warn_div_by_zero): New.
+       * c-common.h (warn_div_by_zero): New.
+       * c-decl.c (c_decode_option): Take it on the command line.
+       * c-typeck.c (build_binary_op): Warn about division by zero.
+       * doc/invoke.texi: Document the new command line option, fix
+       documentation of -Wmultichar.
+       * testsuite/gcc.dg/divbyzero.c: New tests.
+       * testsuite/gcc.dg/noncompile/20010524-1.c: Update.
+
+Tue Oct 23 15:30:23 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_int_movcc): Cleanup; use expand_simple_*op.
+
+       * toplev.c (rest_of_compilation): Use CLEANUP_UPDATE_LIFE
+       to avoid update_life_info call.
+       * basic-block.h (CLEANUP_UPATE_LIFE): Define.
+       * cfgcleanup.c (bb_flags): New enum.
+       (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG, FORWARDER_BLOCK_P): New macros.
+       (notice_new_block, update_forwarder_flag): New functions.
+       (try_simplify_condjump): Use FORWARDER_BLOCK_P.
+       (try_forward_edges): Likewise; update flags.
+       (merge_blocks): Likewise.
+       (outgoing_edges_match): Likewise.
+       (try_crossjump_to_edge): Likewise.
+       (try_optimize_cfg): Likewise; initialize and clear the flags;
+       recompute life info if needed.
+       (cleanup_cfg): No need to clear aux pointers.
+
+2001-10-23  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/i386/i386.c (override_options): Default to minimum
+       stack alignment when optimizing for code size.
+       * doc/invoke.texi (-mpreferred-stack-boundary): Document the
+       change.
+
+       * config/i386/i386.c (override_options): Set upper limit of
+       -mpreferred-stack-boundary to 12.
+
+2001-10-22  Zack Weinberg  <zack@codesourcery.com>
+
+       * recog.c (peephole2_optimize): Add default case to switch.
+
+2001-10-23  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi (Sending Patches): Remove.
+
+2001-10-22  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * unwind-dw2-fde.c (fde_unencoded_compare): Derefer pc_begin
+       fields when comparing.
+
+2001-10-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * arm.h (HOST_INT, HOST_UINT): Delete.  Remove all uses.
+       * arm.c (HOST_INT, HOST_UINT): Likewise.
+
+2001-10-22  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin-protos.h (darwin_exception_section): Declare.
+       (darwin_eh_frame_section): Declare.
+
+Mon Oct 22 18:21:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movti_rex64): Fix mode.
+
+2001-10-22  Stan Shebs  <shebs@apple.com>
+
+       * target.h (struct gcc_target): Add asm_out.exception_section,
+       asm_out.eh_frame_section.
+       * target-def.h (TARGET_ASM_EXCEPTION_SECTION): New macro.
+       (TARGET_ASM_EH_FRAME_SECTION): New.
+       (TARGET_INITIALIZER): Update.
+       * output.h (default_exception_section): Declare.
+       (default_eh_frame_section): Declare.
+       * dwarf2out.c: Include target.h.
+       (output_call_frame_info): Call target hook for eh frames.
+       (default_eh_frame_section): New function.
+       * except.c: Include target.h.
+       (output_function_exception_table): Call target hook for exception
+       section.
+       * varasm.c (default_exception_section): Rename from
+       exception_section, remove EXCEPTION_SECTION macro.
+
+       * config/darwin.h (darwin_eh_frame_section): New function.
+       (EXCEPTION_SECTION): Remove.
+       (TARGET_ASM_EXCEPTION_SECTION): Define.
+       * config/nextstep.h (EH_FRAME_SECTION_ASM_OP): Remove.
+       (nextstep_exception_section): New function.
+       (nextstep_eh_frame_section): New function.
+       (TARGET_ASM_EXCEPTION_SECTION): Define.
+       (TARGET_ASM_EH_FRAME_SECTION): Define.
+
+       * config/pa/som.h (EXCEPTION_SECTION): Remove.
+       (TARGET_ASM_EXCEPTION_SECTION): Define.
+       * config/rs6000/sysv4.h, config/rs6000/xcoff.h
+       (EXCEPTION_SECTION): Remove.
+       (TARGET_ASM_EXCEPTION_SECTION): Define.
+       * config/stormy16/stormy16.h: Remove comments referencing
+       EXCEPTION_SECTION and EH_FRAME_SECTION_ASM_OP.
+
+       * doc/tm.texi: Document TARGET_ASM_EXCEPTION_SECTION and
+       TARGET_ASM_EH_FRAME_SECTION.
+
+2001-10-22  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/mips/mips.md (mul_acc_si): Fix precedence of conditional
+       terms.
+
+       * c-format.c: Fix spelling typo in comment.
+
+       * sched-int.h: Fix typo in GCC preamble.
+
+2001-10-21  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR debug/4252
+       * doc/invoke.texi: Remove references to -fdump-translation-unit.
+
+2001-10-22  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_clear): New.
+       * config/i386/i386-protos.h: Declare it.
+       * config/i386/i386.md (setcc peep2s): Use it.
+       (movsi_xor): Unexport.
+
+2001-10-22  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (clear_log_links): Use free_INSN_LIST_list, not
+       free_EXPR_LIST_list for LOG_LINKS.
+
+2001-10-21  Robert Lipe  <robertlipe@usa.net>
+
+       * config/i386/i386.c (sco_asm_named_section): Delete.
+       (sco_asm_out_constructor): Delete.
+       * config/i386/sco5.h (ASM_QUAD): Undo damage from att.h.
+       (ASM_OUTPUT_DOUBLE_INT): Likewise.
+       (TARGET_ASM_CONSTRUCTOR): Delete.  Use default.
+       (TARGET_ASM_NAMED_SECTION): Use default for ELF.
+       (EXCEPTION_SECTION): Delete EH scn renaming hack.
+
+2001-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-format.c (maybe_read_dollar_number): Use safe-ctype macros
+       and/or fold extra calls into fewer ones.
+       * collect2.c (dump_file): Likewise.
+       * cppexp.c (parse_number): Likewise.
+       * cpplex.c (_cpp_lex_direct): Likewise.
+       * final.c (output_asm_insn, asm_fprintf): Likewise.
+       * fix-header.c (inf_scan_ident, main): Likewise.
+       * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
+       Likewise.
+       * fold-const.c (real_hex_to_f): Likewise.
+       * gen-protos.c (parse_fn_proto): Likewise.
+       * genattrtab.c (check_attr_test, check_attr_value): Likewise.
+       * genrecog.c (change_state, write_action): Likewise.
+       * gensupport.c (shift_output_template): Likewise.
+       * local-alloc.c (requires_inout): Likewise.
+       * mips-tfile.c (IS_ASM_IDENT): Likewise.
+       * protoize.c (is_id_char, main): Likewise.
+       * real.c (asctoeg): Likewise.
+       * recog.c (asm_operand_ok): Likewise.
+       * reload.c (find_reloads): Likewise.
+       * scan.c (scan_identget_token): Likewise.
+       * sched-vis.c (print_value): Likewise.
+       * stringpool.c (ggc_alloc_string): Likewise.
+       * toplev.c (read_integral_parameter, decode_g_option): Likewise.
+       * tradcif.y (parse_number, yylex, parse_escape): Likewise.
+       * tradcpp.c (rescan): Likewise.
+       * tree.c (clean_symbol_name): Likewise.
+       * varasm.c (decode_reg_name): Likewise.
+
+       * alpha.h (ASM_OUTPUT_ASCII): Likewise.
+       * darwin.c (name_needs_quotes, func_name_maybe_scoped): Likewise.
+       * dsp16xx.h (ASM_OUTPUT_ASCII): Likewise.
+       * m88k.c (output_ascii): Likewise.
+       * m88k.h (OVERRIDE_OPTIONS): Likewise.
+       * mcore.h (REG_CLASS_FROM_LETTER): Likewise.
+       * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise.
+       * sh.h (REG_CLASS_FROM_LETTER): Likewise.
+
+2001-10-21  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * langhooks.c (lang_hook_default_do_nothing,
+       lang_hook_default_decode_option): New defaults.
+       * langhooks.h: Make hooks unconditional and non-NULL.
+       * toplev.c (compile_file, toplev_main): Update.
+       * toplev.h: Update comments.
+       * objc/objc-act.c (lang_hooks): Update to new paradigm.
+
+2001-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * arm.h (FUNCTION_ARG_REGNO_P): Use IN_RANGE.
+
+       * system.h (IN_RANGE): New macro.
+
+2001-10-21  Zack Weinberg  <zack@codesourcery.com>
+
+       * aclocal.m4 (AM_WITH_NLS): Also create and substitute
+       INTLDEPS variable, which does not include $LIBICONV.
+       * Makefile.in: Use INTLDEPS in LIBDEPS.
+       * configure: Regenerate.
+
+2001-10-21  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char.
+       * cpplex.c (lex_percent, lex_dot): Remove.
+       (get_effective_char, skip_block_comment, skip_line_comment,
+       parse_identifier_slow, parse_number, parse_string, save_comment,
+       _cpp_lex_direct): Update to do lookback freely.
+       (IF_NEXT_IS, BACKUP): New macros.
+       * cpplib.c (cpp_push_buffer): Don't set read_ahead and extra_char.
+       * cppmacro.c (paste_tokens): Update.
+
+2001-10-20  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * doc/invoke.texi (i386 and x86-64 Options): Fix typo.
+
+2001-10-20  Hans-Peter Nilsson  <hp@axis.com>
+
+       * reload1.c (reload): Check CONSTANT_P before calling
+       LEGITIMATE_PIC_OPERAND_P.
+       * config/cris/cris.c (cris_legitimate_pic_operand): Revert
+       workaround of 2001-10-13.
+
+Sat Oct 20 15:16:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (split_di): Handle splitting of DFmode.
+
+Sat Oct 20 07:27:14 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (set_mem_attributes): Alignment is in bits.
+       (adjust_address_1, offset_address): Likewise.
+
+       * final.c (output_asm_operand_names): New fcn, from output_asm_insn.
+       (output_asm_insn): Call it for each line output.
+       Don't record an operand more than once.
+
+       * toplev.h (struct lang_hooks): HONOR_READONLY now bool.
+       * main.c: Include config.h and system.h, but not ansidecl.h.
+       * Makefile.in (main.o): Update accordingly.
+
+Sat Oct 20 12:05:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (SSE_REGPARM_MAX): Set to 8 for x86_64.
+
+Sat Oct 20 12:01:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.
+       * cfgbuild.c (find_bb_boundaries, compute_outgoing_frequencies):
+       Break out from ...
+       (find_sub_basic_blocks): ... here;
+       (find_many_sub_basic_blocks): New.
+       * recog.c (split_all_insns): Update find_sub_basic_blocks call.
+
+       * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Define sdata4.
+
+       * i386.c (ix86_va_arg): Kill indirect_p handling; fix aliasing issues.:
+
+       * i386.c (split_di, split_ti): Revamp to use simplify_subreg.
+
+       * timevar.def (TV_LIFE, TV_LIFE_UPDATE, TV_MODE_SWITCH): new.
+       * flow.c (update_life_info): Measure time.
+       * c-decl.c: Include timevar.h
+       (c_expand_body): Measure time.
+       * toplev.c (rest_of_compilation): Measure time of mode switching
+       separately.
+       * Makefile.in (c-decl.o, cfgcleanup.o): Add dependency.
+
+       * toplev.c (flag_asynchronous_unwind_tables): New global variable.
+       (lang_independent_options): Add asynchronous-unwind-tables
+       (toplev_main): flag_asynchronous_unwind_tables implies
+       flag_unwind_tables.
+       * flags.h (flag_asynchronous_unwind_tables): Declare.
+       * dwarf2out.c (dwarf2out_stack_adjust): Take into account
+       flag_asynchronous_unwind_tables.
+       (output_call_frame_info): Likewise.
+       * invoke.texi (-fasynchronous-unwind-tables): Document.
+       * i386.c (optimization_options): Enable
+       flag_asynchronous_unwind_tables.
+
+       * i386.c (ix86_expand_setcc):  Always expect target to be QImode.
+       * i386.md (s* expanders): Destination is QImode.
+
+       * toplev.c (rest_of_compilation): Do not call clear_log_links.
+       * rtl.h (clear_log_links): Kill.
+       * flow.c (clear_log_links): Make static; accept blocks parameter;
+       do no clear life info.
+       (update_life_info): Call clear_log_links.
+
+       * cfganal.c (forwarder_block_p): Avoid active_insn_p calls.
+
+2001-10-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplex.c (handle_newline, skip_escaped_newlines,
+       get_effective_char, skip_block_comment, skip_line_comment,
+       parse_identifier_slow, parse_number, parse_string,
+       _cpp_lex_direct): Update to do more stepping back.
+       (trigraph_ok): Similarly.  Rename trigraph_p.
+       (SAVE_STATE, RESTORE_STATE): Remove.
+       (BUFF_SIZE_UPPER_BOUND): Tweak.  Add sanity check.
+
+       * cpplib.c (destringize): Rename destringize_and_run, and
+       call run_directive directly.
+       (_cpp_do__Pragma): Simplify.
+
+2001-10-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * pe.c (arm_pe_unique_section): Const-ify.
+       * pe.h (TARGET_ASM_NAMED_SECTION): Undef before defining.
+       (switch_to_section): Add static prototype.
+
+       * output.h (drectve_section): Prototype.
+
+2001-10-19  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config.gcc (i[34567]86-*-gnu*, arc-*-elf*, d30v-*,
+       fr30-*-elf, hppa*64*-*-linux*, parisc*64*-*-linux*, hppa*-*-linux*,
+       parisc*-*-linux*, i370-*-linux*, i[34567]86-*-chorusos*,
+       i[34567]86-*-elf*, i[34567]86-ncr-sysv4*, i[34567]86-*-netware,
+       i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
+       i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-freebsd*,
+       i[34567]86-*-netbsdelf*, i[34567]86-*-linux*libc1,
+       i[34567]86-*-linux*, i[34567]86-moss-msdos*, i[34567]86-*-moss*,
+       i[34567]86-go32-rtems*, i[34567]86-*-rtems*, i[34567]86-*-rtemself*,
+       i[34567]86-*-solaris2*, i[34567]86-*-sysv5*, i[34567]86-*-sysv4*,
+       i[34567]86-*-udk*, i[34567]86-*-osf1*, i[34567]86-dg-dgux*,
+       i860-alliant-*, i860-*-sysv4*, ia64*-*-aix*, ia64*-*-linux*,
+       ia64*-*-hpux*, m32r-*-elf*, m88k-dg-dgux*, m88k-*-sysv4*, mcore-*-elf,
+       mips*-*-linux*, mn10200-*-*, mn10300-*-*, pj*-linux*, pjl-*,
+       powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*,
+       powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*,
+       powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*,
+       powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*,
+       powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*,
+       powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*,
+       rs6000-*-mach*, s390-*-linux*, s390x-*-linux*, sh-*-elf*,
+       sh-*-rtemself*, sh-*-rtems*, sh-*-linux*, stormy16-*-elf,
+       v850-*-rtems*, v850-*-*, x86_64-*-linux*), cris-*-aout, cris-*-elf,
+       cris-*-none, cris-*-linux*: Update ${tmfile} list.
+       (c4x-*-rtems*, c4x-*, i[34567]86-go32-rtems*, i[34567]86-*-rtemscoff*,
+       i[34567]86-*-rtems*, i[34567]86-*-rtemself*, i[34567]86-*-osf1*,
+       mn10200-*-*, mn10300-*-*, powerpc-*-beos*, powerpc-*-darwin*,
+       powerpc-wrs-vxworks*, powerpcle-wrs-vxworks*, v850-*-rtems*,
+       v850-*-*): Delete superflous ${cpu_type} setting.
+       * config/linux.h: Delete svr4.h include.
+       (SET_ASM_OP): Delete.
+       * config/netware.h (INT_ASM_OP): Undef before define.
+       * config/ptx4.h: Delete elfos.h include.
+       (PREFERRED_DEBUGGING_TYPE): Undef instead of wrapping.
+       * config/svr4.h: Delete elfos.h include. Update commentary.
+       * config/arc/arc.h, config/d30v/d30v.h, config/fr30/fr30.h,
+       config/m32r/m32r.h, config/m88k/sysv4.h, config/mn10200/mn10200.h,
+       config/mn10200/mn10300.h, config/stormy16/stormy16.h,
+       config/v850/v850.h: Delete svr4.h include.
+       * config/i370/linux.h, config/i386/osf1elf.h, config/m68k/linux.h,
+       config/m68k/m68kv4.h, config/m88k/sysv4.h,
+       config/sparc/sysv4.h: Update includes.
+       * config/i386/beos-elf.h, config/i386/netware.h, config/i386/ptx4-i.h,
+       config/i386/rtemself.h, config/i386/sol2.h, config/i386/sysv4.h,
+       config/i386/sysv5.h, config/i386/udk.h, config/ia64/linux.h,
+       config/m88k/dguxbcs.h: Delete includes.
+       * config/i386/dgux.h, config/i386/osf1elfgdb.h: Delete include.
+       (PREFERRED_DEBUGGING_TYPE): Undef before defining it.
+       * config/i860/fx2800.h (ASM_OUTPUT_SOURCE_LINE): Undef before defining
+       it.
+       * config/m88k/dgux.h: Delete include.
+       (SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):  Undef before
+       defining it.
+       * config/pj/pj.h (ASM_GENERATE_INTERNAL_LABEL,
+       ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Undef before defining it.
+       * config/sh/elf.h: Update include.
+       (SDB_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
+       DWARF2_ASM_LINE_DEBUG_INFO): Move behind includes.
+
+2001-10-19  Catherine Moore  <clm@redhat.com>
+
+       * config/stormy16/stormy-abi:  Updates to varargs descriptions.
+       * config/stormy16/stormy16.c (stormy16_build_va_list):  Reverse
+       base and count fields.
+       (stormy16_expand_builtin_va_start):  last_reg_count changed to
+       size_of_reg_args.  Use count + size in first comparison.
+
+Fri Oct 19 15:24:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * langhooks.h (LANG_HOOKS_HONOR_READONLY): New macro.
+       * toplev.h (struct lang_hooks): New field HONOR_READONLY.
+       * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGING_P from
+       TREE_READONLY and TYPE_READONLY if lang_hooks.honor_readonly.
+       Set alignment from type if INDIRECT_REF.
+       (adjust_address_1, offset_address): Simplify alignment compuitation.
+       * expr.c (expand_expr, case INDIRECT_REF): Don't set RTX_UNCHANGING_P
+       here; done by set_mem_attributes.
+
+2001-10-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (rtlanal.o): Depend on $(TM_P_H).
+       * arm-protos.h (rdata_section, zero_init_section, common_section):
+       Prototype.
+       * arm.h (ASM_OUTPUT_DEF_FROM_DECLS): Const-ify.
+       * avr.h (ASM_OUTPUT_SKIP): Rename macro parameter to avoid
+       traditional mode stringification.
+       * function.c (thread_prologue_and_epilogue_insns): Wrap variable
+       in macros controling its use.
+       * rtlanal.c: Include tm_p.h.
+       * varasm.c (asm_output_aligned_bss): Mark parameter with
+       ATTRIBUTE_UNUSED.
+       (assemble_constant_align, assemble_start_function, assemble_align,
+       assemble_variable, assemble_trampoline_template,
+       output_constant_def_contents): Wrap potentially empty if-stmt body
+       in brackets.
+
+2001-10-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * a29k-protos.h (literal_section): Prototype.
+       * a29k.h (ASM_FILE_START): Don't discard pointer qualifier.
+       * a29k.md: Ensure function pointers are prototyped.
+       * genattrtab.c (write_eligible_delay): Mark parameter with
+       ATTRIBUTE_UNUSED.
+
+2001-10-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
+       * 1750a.c (print_operand): Fix format specifier warning.
+       * 1750a.h (ASM_FILE_START): Don't discard pointer qualifier.
+       * 1750a.md: Likewise.
+       * gcc.c (init_gcc_specs): Wrap with ENABLE_SHARED_LIBGCC.
+       * genemit.c (output_add_clobbers): Mark parameter with
+       ATTRIBUTE_UNUSED.
+       * genrecog.c (write_subroutine): Likewise.
+       * integrate.c (expand_inline_function): Delete unused variable.
+       * varasm.c (remove_from_pending_weak_list): Wrap with
+       ASM_WEAKEN_LABEL.
+
+2001-10-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * simplify-rtx.c (simplify_plus_minus): Negate constant iff its neg
+       field is different to previous argument's neg field.
+
+       * config/alpha/alpha.c (summarize_insn): Don't abort on ASM_INPUT.
+
+Fri Oct 19 15:24:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * final.c (get_decl_from_op): New function.
+       (output_asm_insn): Call it; write "*" when item with decl is address.
+
+2001-10-19  Janis Johnson  <janis187@us.ibm.com>
+
+       * doc/install.texi (Specific, sparc-sun-solaris2*) Copy documentation
+       about 64-bit support from the 3.0_branch version.
+
+2001-10-19  Zack Weinberg  <zack@codesourcery.com>
+
+       * aclocal.m4 (AM_WITH_NLS): AC_DEFINE HAVE_LIBINTL_H and
+       USE_INCLUDED_LIBINTL when appropriate.
+       * configure, config.in: Regenerate.
+       * Makefile.in (datadir): Set to @datadir@.
+       (intl.o): Also depend on $(CONFIG_H) and system.h.
+
+       * intl.c: Factor out common gettext initialization sequence.
+       (gcc_init_libintl):  New function.
+       * intl.h: Include intl/libgnuintl.h if USE_INCLUDED_LIBINTL;
+       otherwise include libintl.h if HAVE_LIBINTL_H; otherwise turn
+       off NLS.  Add multiple include guard.  No need to #ifdef-guard
+       an #undef.  Prototype gcc_init_libintl here.
+
+       * collect2.c (main), cppmain.c (general_init), gcc.c (main),
+       gcov.c (main), protoize.c (main), toplev.c (toplev_main):
+       Use gcc_init_libintl.
+
+2001-10-19  Catherine Moore  <clm@redhat.com>
+
+       * config/stormy16/stormy16.h (ASM_COMMENT_START): Define.
+
+       * config/stormy16/stormy16.c (stormy16_split_move):  Make
+       sure that REG_INC notes are present for auto_inc operands.
+
+2001-10-19  Andreas Jaeger  <aj@suse.de>
+
+       * configure: Regenerated.
+       * configure.in: Add x86_64 to switch statements.
+
+2001-10-18  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (sibcall_osf_1): Load destination
+       address into $27 explicitly.
+       (sibcall_value_osf_1): Likewise.
+
+Thu Oct 18 16:07:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (gen_reg_rtx): Also reallocate reg_decl array.
+       (offset_address): New function.
+       (free_emit_status): Free regno_decl.
+       (init_emit): Pass proper number of elements to xcalloc.
+       Allocate regno_decl.
+       (mark_emit_status): Mark regno_decl values.
+       * expr.c (highest_pow2_factor): New function.
+       (expand_assigment): Use it and offset_address.
+       Properly handle ptr_mode vs. Pmode in offset calculation.
+       (store_constructor, expand_expr_unaligned): Likewise.
+       (expand_expr, case COMPONENT_EXPR): Likewise.
+       * expr.h (offset_address): New decl.
+       * function.h (struct emit_status): Add regno_decl.
+       (REGNO_DECL): New macro.
+       * final.c (output_asm_name): Move in file and don't conditionalize
+       on flag_print_asm_name.
+       (output_asm_insn): Only call output_asm_name if flag_print_asm_name.
+       Output names of operands, if known.
+       * function.c (assign_parms): Set REGNO_DECL.
+       * integrate.c (integrate_decl_tree): Likewise.
+       * stmt.c (expand_decl): Likewise.
+       * regclass.c (reg_scan_mark_refs): Propagate REGNO_DECL for copies.
+
+2001-10-18  Alexandre Oliva  <aoliva@redhat.com>
+
+       * attribs.c (handle_noinline_attribute): New function.
+       (handle_used_attribute): Likewise.
+       (c_common_attribute_table): Added noinline and used.
+       * doc/extend.texi (Function Attributes): Document them.
+       * c-decl.c (duplicate_decls): Propagate DECL_UNINLINABLE.
+       Warn when merging inline with attribute noinline.
+       (start_decl, start_function): Warn if inline and attribute
+       noinline appear in the same declaration.
+
+2001-10-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * config.gcc: Update c4x and i370 for C front end-specific
+       dependencies.
+       * config/c4x/c4x-c.c: New.
+       * config/c4x/c4x-protos.h (c4x_handle_pragma): Remove.
+       (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree):
+       New declarations.
+       * config/c4x/c4x.c: Don't include c-lex.h or c-pragma.h.
+       (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree):
+       Make extern.
+       (c4x_init_pragma): Remove.
+       (c4x_parse_pragma, c4x_pr_CODE_SECTION, c4x_pr_DATA_SECTION,
+       c4x_pr_FUNC_IS_PURE, c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT,
+       c4x_pr_ignored): Move to c4x-c.c.
+       * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Update.
+       * config/c4x/t-c4x: Update.
+       * config/i370/i370-c.c: New.
+       * config/i370/i370.c: Don't include c-lex.h or c-pragma.h.
+       (i370_pr_map): Move to i370-c.c.
+       * config/i370/t-i370: New.
+
+       * doc/tm.texi: Update.
+
+2001-10-17  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/rs6000.c: Make assorted mechanical formatting and
+       typo fixes throughout.
+       (machopic_output_stub): Remove some dead code.
+
+2001-10-17  Richard Earnshaw <rearnsha@arm.com>
+
+       * cpplex.c (_cpp_get_buff): Fix off-by-one error that caused memory
+       leak.
+
+Wed Oct 17 05:26:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * Makefile.in (print-rtl.o): Depend on TREE_H.
+       * alias.c (get_alias_set): Make two passes over objects to first
+       see if inner object is access via restricted pointer.
+       Defer allocating alias set for restricted pointer until here.
+       Call find_placeholder with second arg nonzero.
+       Minor cleanups.
+       * c-common.c (c_apply_type_quals_to_decl): Defer getting alias
+       set for restricted pointer types.
+       * emit-rtl.c (set_mem_attributes): Set more attributes.
+       (set_mem_align, change_address, adjust_address_1): New functions.
+       (change_address_1): Now static.
+       (adjust_address, adjust_address_nv): Deleted.
+       (replace_equiv_address): Call change_address_1.
+       * expr.c (get_inner_reference): Handle PLACEHOLDER_EXPR.
+       (find_placeholder): Get starting point from PLIST arg.
+       (expand_expr, case PLACEHOLDER_EXPR): Initialize find_placeholder arg.
+       * expr.h (set_mem_align, change_address, adjust_address_1): New decls.
+       (adjust_address, adjust_address_nv): New macros.
+       * print-rtl.c (tree.h): New include.
+       (print_rtx, case MEM): Print all memory attributes.
+
+2001-10-17  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (direct_call_operand): Don't fall off end.
+
+2001-10-16  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * c-tree.texi: Eliminate duplicated word.
+       * cpp.texi: Likewise.
+       * install.texi: Likewise.
+       * invoke.texi: Likewise.
+       * tm.texi: Likewise.
+
+2001-10-17  Michael Collison  <collison@isisinc.net>
+
+       * dsp16xx.c: Fix comment formatting to match GNU standards.
+       (dsp16xx_output_function_prologue): Change type of 'size'
+       parameter from 'int' to HOST_WIDE_INT.
+       (dsp16xx_output_function_epilogue): Change type of 'size'
+       parameter from 'int' to HOST_WIDE_INT.
+
+2001-10-16  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (HAVE_AS_GOTOFF_IN_DATA): New x86 check.
+       * configure, config.in: Rebuild.
+
+       * config/i386/i386.c (ix86_output_addr_vec_elt): New.
+       (ix86_output_addr_diff_elt): New.
+       * config/i386/i386.h (ASM_OUTPUT_ADDR_VEC_ELT): Use them.
+       (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
+       (JUMP_TABLES_IN_TEXT_SECTION): New.
+       * config/i386/i386.md (tablejump): Handle HAVE_AS_GOTOFF_IN_DATA.
+       * config/i386/i386-protos.h: Update.
+
+       * config/i386/386bsd.h, config/i386/beos-elf.h,
+       config/i386/freebsd-aout.h, config/i386/freebsd.h,
+       config/i386/i386-interix.h, config/i386/i386elf.h,
+       config/i386/linux.h, config/i386/netbsd-elf.h,
+       config/i386/netbsd.h, config/i386/openbsd.h,
+       config/i386/ptx4-i.h, config/i386/rtemself.h,
+       config/i386/sco5.h, config/i386/sysv4.h, config/i386/x86-64.h
+       (ASM_OUTPUT_ADDR_DIFF_ELT, JUMP_TABLES_IN_TEXT_SECTION): Remove.
+
+2001-10-16  Florian Weimer  <fw@deneb.enyo.de>
+
+       * stmt.c (expand_asm_operands): Update commentary.
+
+2001-10-16  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (GCC_NAME): Remove, no longer used.
+       (NO_MATH_LIBRARY): Ditto.
+       (MATH_LIBRARY): Define to emptiness.
+       (DWARF2_DEBUGGING_INFO): Define.
+       (PREFERRED_DEBUGGING_TYPE): Define.
+       (EXTRA_SECTION_FUNCTIONS): Add darwin_exception_section.
+       (EXCEPTION_SECTION): Define.
+       (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+       * config/darwin.c (darwin_encode_section_info): Handle case of
+       DECL_INITIAL being error_mark_node.
+
+2001-10-16  Richard Henderson  <rth@redhat.com>
+
+       * alpha.c (current_file_function_operand): Don't fail for profiling.
+       (direct_call_operand): New.
+       * alpha-protos.h: Declare it.
+       * alpha.h (EXTRA_CONSTRAINT): Use it.
+       (PREDICATE_CODES): Add it.
+       (ASM_OUTPUT_MI_THUNK): Remove.
+       * alpha32.h (ASM_OUTPUT_MI_THUNK): Remove.
+       * alpha.md (sibcall_osf_1, sibcall_value_osf_1): Add 's' alternative.
+
+2001-10-16  Krister Walfridsson  <cato@df.lth.se>
+
+       * config/i386/netbsd-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define.
+       (JUMP_TABLES_IN_TEXT_SECTION): Define.
+
+Wed Oct 17 00:21:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cfg.c (free_edge): Break out from ....
+       (remove_edge): ... here.
+       (clear_edges): Use free_edge.
+
+       * att.h (ASM_QUAD): Add comment.
+       * bsd.h, sco5.h, sun386.h (ASM_QUAD): Define.
+
+Wed Oct 17 00:01:02 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (split_ti): New function.
+       (ix86_split_to_parts): Support TImodes.
+       * i386.h (VALID_INT_MODE_P): Add TImode.
+       * i386.md (movdi splitter): Fix.
+       (movti): Support 64bit integer registers.
+       (movti_rex64): New function and splitter.
+
+       * i386.c (*_cost): Add movsx/movzx cost.
+       * i386.h (struct processor_costs): Add movsx/movzx fields.
+       (RTX_COSTS): Handle zero/sign extend + avoid believing that
+       64bit operations require split on 64bit machine.
+       (CONST_COST): Make large 64bit constants expensive on 64bit compilation.
+
+       * i386.c (ix86_setup_incoming_varargs): Fix mode of PLUS.
+       (ix86_expand_move): Avoid pushes of memory if size does not match;
+       move long constants to register.
+       (x86_initialize_trampoline): Fix mode.
+       * i386.h (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT):
+       Use ASM_QUAD on 64bit.
+       * i386.md (test pattern): Disallow impossible constants.
+       (tablejump PIC expander): Fix emitting of sum.
+       (movdicc_rex64): Rename to movdicc.
+       * linux64.h (LINK_SPEC): Add missing '%'.
+
+2001-10-16  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tree-inline.c (inlinable_function_p): Leave it up to the
+       front-end to turn -finline-functions into DECL_INLINE set for all
+       functions.
+
+2001-10-16  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/darwin.h (ASM_COMMENT_START): Define.
+
+2001-10-16  Alan Modra  <amodra@bigpond.net.au>
+
+       * recog.c: Formatting and comment typo fixes.
+
+       * configure.in (gcc_cv_as_bfd_srcdir): New.  Use it to find gas
+       version in single tree build.
+       * configure: Regenerate.
+
+2001-10-15  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (cr_logical): Swap order of CODE and
+       MODE arguments to gen_rtx and compare operand with const0_rtx.
+
+2001-10-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * system.h: Poison old unused target macros.
+       * config/dsp16xx.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
+       * config/stormy16/stormy16.c: Update references to obsolete macros.
+       * config/stormy16/stormy16.h: Similarly.
+       * config/stormy16/stormy16.md: Similarly.
+       * config/cris/cris.h: Similarly.
+
+2001-10-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (struct pragma_entry): Store the name as a hashnode.
+       (lookup_pragma_entry, insert_pragma_entry, do_pragma,
+       cpp_register_pragma): Update accordingly.
+
+2001-10-14  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-pragma.h (cpp_register_pragma_space): Remove.
+       * cpplib.h (cpp_register_pragma_space): Remove.
+       * cpplib.c (lookup_pragma_entry, insert_pragma_entry): New.
+       (cpp_register_pragma_space): Remove.
+       (cpp_register_pragma): Simplify using lookup_pragma_entry,
+       add sanity checks.
+       (do_pragma): Similarly.
+       (_cpp_init_internal_pragmas): Don't register namespaces.
+
+       * config/v850/v850.h (REGISTER_TARGET_PRAGMAS):
+       Don't register namespaces.
+       * cp/lex.c (init_cp_pragma): Similarly.
+       * doc/tm.texi: Update.
+
+2001-10-10  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       PR c/4157
+       * config/i386/cygwin.h: Add missing space to MINGW_INCLUDES
+
+2001-10-13  Michael Collison  <collison@dhcp-12-114.townisp.com>
+
+       * config/dsp16xx/dsp16xx.md: Rewrite for more efficient code and
+       add scheduling support.
+       * config/dsp16xx/dsp16xx.h: Rewrite for more efficient code.
+       * config/dsp16xx/dsp16xx.c: Rewrite for more efficient code.
+       * config/dsp16xx/dsp16xx-protos.h: Add new function prototypes.
+
+
+2001-10-13  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/cris.c (cris_legitimate_pic_operand): Kludge around
+       missing CONSTANT_P test in core GCC.
+
+2001-10-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmain.c (struct printer): New member source.
+       (scan_translation_unit): Fix spacing at start of lines.
+       (cb_line_change): Update.
+
+       * gcc.dg/cpp/spacing2.c: New test.
+
+2001-10-12  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/arit.c: Use __builtin_labs, not abs.
+
+       * config/cris/cris.h (SET_STRIPPABLE_EXECUTABLE): Don't define.
+
+       * config/cris/cris.c (cris_target_asm_function_epilogue): Move
+       misplaced sprintf and fprintf argument.
+
+2001-10-12  Zack Weinberg  <zack@codesourcery.com>
+
+       * ABOUT-NLS, aclocal.m4: Update i18n framework from gettext 0.10.40.
+       * configure.in, Makefile.in: Take out obsolete check-po logic.
+       * configure, config.in: Regenerate.
+
+2001-10-12  Ziemowit Laski  <zlaski@apple.com>
+
+       * objc/objc-act.c (finish_objc): Correct precondition for emitting
+       symtab declarations.
+
+2001-10-12  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/rs6000.c: Remove uses of "register" specifier in
+       declarations of arguments and local variables.
+
+2001-10-12  Christopher Faylor  <cgf@redhat.com>
+
+       * config/i386/cygwin.h: Revert erroneous checkin of crtbegin and
+       ENDFILE_SPEC definition.
+
+2001-10-12  Kazu Hirata  <kazu@hxi.com>
+
+       * gthr-dce.h: Fix comment formatting.
+       * gthr-posix.h: Likewise.
+       * gthr-single.h: Likewise.
+       * gthr-solaris.h: Likewise.
+       * gthr-vxworks.h: Likewise.
+       * gthr-win32.h: Likewise.
+
+2001-10-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * final.c (output_asm_insn): Make sure assembly dialects are
+       terminated, not nested.  Output `|' and `}' characters if they
+       don't appear inside assembly dialect selection.
+       * config/i386/i386.md (rep_movdi_rex64, rep_movsi, rep_movsi_rex64,
+       rep_movqi, rep_movqi_rex64, rep_stosdi_rex64, rep_stossi,
+       rep_stossi_rex64, rep_stosqi, rep_stosqi_rex64, strsetsi_1,
+       strsetsi_rex_1): Add {} braces.
+
+2001-10-11  Zack Weinberg  <zack@codesourcery.com>
+
+       * toplev.c (compile_file): Ignore return value from yyparse.
+       Always pop any nested binding levels after yyparse returns.
+
+2001-10-11  Richard Henderson  <rth@redhat.com>
+
+       * doc/c-tree.texi (Expression trees): Add VTABLE_REF.
+
+2001-10-11  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (add_const_value_attribute): If long < HOST_WIDE_INT,
+       fall back to add_AT_long_long for large CONST_INT.
+
+2001-10-11  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.md (setcc splitters): Add four splitters to
+       simplify compound compares that simplify_comparison can't handle.
+
+2001-10-11  Zack Weinberg  <zack@codesourcery.com>
+
+       * cpplex.c (digraph_spellings, token_spellings): Make static.
+
+2001-10-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * unroll.c (loop_iterations): Fixup last patch.
+
+2001-10-11  Richard Henderson  <rth@redhat.com>
+
+       * rtl.h (REG_VTABLE_REF): New.
+       * rtl.c (reg_note_name): Add it.
+       * combine.c (distribute_notes): Handle it.
+       * final.c (final_scan_insn): Handle it.
+       * tree.def (VTABLE_REF): New.
+       * expr.c (expand_expr): Handle it.
+       * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): New.
+       * output.h: Declare them.
+
+2001-10-11  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look
+       for a DECL_INITIAL.
+
+2001-10-11  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only
+       available in 64-bit mode.
+
+2001-10-11  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none,
+       cris-*-linux* cases.
+       * config/cris/cris-protos.h: New file.
+       * config/cris/cris.c: New file.
+       * config/cris/cris.h: New file.
+       * config/cris/cris.md: New file.
+       * config/cris/linux.h: New file.
+       * config/cris/aout.h: New file.
+       * config/cris/arit.c: New file.
+       * config/cris/cris_abi_symbol.c: New file.
+       * config/cris/mulsi3.asm: New file.
+       * config/cris/t-aout: New file.
+       * config/cris/t-cris: New file.
+       * config/cris/t-elfmulti: New file.
+       * config/cris/t-linux: New file.
+       * doc/invoke.texi: Add CRIS options.
+       * doc/install.texi (Specific): Add blurb for CRIS.
+
+2001-10-10  Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
+
+       * config/float-i128.h: Make sure __STDC__VERSION__ is defined
+       before using it.
+       * config/float/i32.h: Likewise.
+       * config/float-i386.h: Likewise.
+       * config/float-i64.h: Likewise.
+       * config/float-m68k.h: Likewise.
+       * config/float-sh.h: Likewise.
+       * config/float-sparc.h: Likewise.
+
+2001-10-11  Hans-Peter Nilsson  <hp@axis.com>
+
+       * doc/contrib.texi: Add note about CRIS port to my entry.
+
+2001-10-11  Kazu Hirata  <kazu@hxi.com>
+
+       * basic-block.h: Fix formatting.
+       * bitmap.h: Likewise.
+       * cpplib.h: Likewise.
+       * c-tree.h: Likewise.
+       * diagnostic.h: Likewise.
+       * flags.h: Likewise.
+       * ggc.h: Likewise.
+       * longlong.h: Likewise.
+       * real.h: Likewise.
+       * reload.h: Likewise.
+       * rtl.h: Likewise.
+       * tree.h: Likewise.
+
+2001-10-10  Richard Henderson  <rth@redhat.com>
+
+       * c-parse.in (asm_operand): Allow named operands.
+       * genconfig.c (max_recog_operands): Set to 29.
+       * local-alloc.c (requires_inout): Skip multiple digits.
+       * recog.c (asm_operand_ok): Likewise.
+       (preprocess_constraints): Use strtoul for matching constraints.
+       (constrain_operands): Likewise.
+       * regmove.c (find_matches): Likewise.
+       * reload.c (find_reloads): Likewise.
+       * stmt.c (parse_output_constraint): Don't reject in-out
+       constraint on operands > 9.  Reject '[' in constraint.
+       (expand_asm_operands): Handle named operands.  Use strtoul
+       for matching constraints.
+       (check_operand_nalternatives): Split out from expand_asm_operands.
+       (check_unique_operand_names): New.
+       (resolve_operand_names, resolve_operand_name_1): New.
+
+       * doc/extend.texi (Extended Asm): Document named operands.
+       * doc/md.texi (Simple Constraints): Document matching constraints
+       on operands > 9.
+
+2001-10-10  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (try_combine): Handle a SEQUENCE of one insn.
+
+       * i386.c (test splitter): Narrow tests vs paradoxical subregs.
+       (jcc splitters): Add two splitters to simplify compound compares
+       that simplify_comparison can't handle.
+
+2001-10-10  Richard Henderson  <rth@redhat.com>
+
+       * langhooks.c: Include langhooks.h.
+       * Makefile.in (langhooks.o): Depend on it.
+
+Wed Oct 10 23:49:06 EDT 2001  John Wehle  (john@feith.com)
+
+       * rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
+       should not be considered as a no-op.
+       * flow.c (delete_noop_moves): Handle REG_LIBCALL notes.
+
+2001-10-10  Stan Shebs  <shebs@apple.com>
+
+       * alias.c: Remove uses of "register" specifier in declarations
+       of arguments and local variables.
+       * c-common.c: Ditto.
+       * c-convert.c: Ditto.
+       * c-decl.c: Ditto.
+       * c-format.c: Ditto.
+       * c-semantics.c: Ditto.
+       * c-typeck.c: Ditto.
+       * caller-save.c: Ditto.
+       * calls.c: Ditto.
+       * cfg.c: Ditto.
+       * cfgbuild.c: Ditto.
+       * cfgrtl.c: Ditto.
+       * collect2.c: Ditto.
+       * combine.c: Ditto.
+       * convert.c: Ditto.
+       * cppexp.c: Ditto.
+       * cppfiles.c: Ditto.
+       * cse.c: Ditto.
+       * dbxout.c: Ditto.
+       * defaults.h: Ditto.
+       * df.c: Ditto.
+       * dwarf2out.c: Ditto.
+       * dwarfout.c: Ditto.
+       * emit-rtl.c: Ditto.
+       * explow.c: Ditto.
+       * expmed.c: Ditto.
+       * expr.c: Ditto.
+       * final.c: Ditto.
+       * fix-header.c: Ditto.
+       * floatlib.c: Ditto.
+       * flow.c: Ditto.
+       * fold-const.c: Ditto.
+       * function.c: Ditto.
+       * gcc.c: Ditto.
+       * gcse.c: Ditto.
+       * gen-protos.c: Ditto.
+       * genattrtab.c: Ditto.
+       * gencheck.c: Ditto.
+       * genconfig.c: Ditto.
+       * genemit.c: Ditto.
+       * genextract.c: Ditto.
+       * genflags.c: Ditto.
+       * gengenrtl.c: Ditto.
+       * genoutput.c: Ditto.
+       * genpeep.c: Ditto.
+       * genrecog.c: Ditto.
+       * gensupport.c: Ditto.
+       * global.c: Ditto.
+       * gmon.c: Ditto.
+       * graph.c: Ditto.
+       * haifa-sched.c: Ditto.
+       * hard-reg-set.h: Ditto.
+       * hash.c: Ditto.
+       * integrate.c: Ditto.
+       * jump.c: Ditto.
+       * lists.c: Ditto.
+       * local-alloc.c: Ditto.
+       * loop.c: Ditto.
+       * mips-tdump.c: Ditto.
+       * mips-tfile.c: Ditto.
+       * optabs.c: Ditto.
+       * prefix.c: Ditto.
+       * print-rtl.c: Ditto.
+       * read-rtl.c: Ditto.
+       * real.c: Ditto.
+       * recog.c: Ditto.
+       * reg-stack.c: Ditto.
+       * regclass.c: Ditto.
+       * regmove.c: Ditto.
+       * reload.c: Ditto.
+       * reload1.c: Ditto.
+       * reorg.c: Ditto.
+       * resource.c: Ditto.
+       * rtl.c: Ditto.
+       * rtlanal.c: Ditto.
+       * scan.c: Ditto.
+       * sched-deps.c: Ditto.
+       * sched-rgn.c: Ditto.
+       * sdbout.c: Ditto.
+       * simplify-rtx.c: Ditto.
+       * stmt.c: Ditto.
+       * stor-layout.c: Ditto.
+       * toplev.c: Ditto.
+       * tradcif.y: Ditto.
+       * tradcpp.c: Ditto.
+       * tree.c: Ditto.
+       * unroll.c: Ditto.
+       * varasm.c: Ditto.
+       * xcoffout.c: Ditto.
+
+2001-10-10  Richard Henderson  <rth@redhat.com>
+
+       * rtl.h (can_reverse_comparison_p): Remove.
+
+2001-10-10  Christopher Faylor <cgf@redhat.com>
+
+       * config/i386/cygwin.h: Avoid adding include files if -nostdinc is
+       used.
+
+2001-10-10  Danny Smith  <danny_r_smith_2001@yahoo.co.nz>
+
+       * config/i386/mingw32.h (WIN32_NO_ABSOLUTE_INST_DIRS): New define.
+       (Thanks to Chris Faylor for suggesting macro name).
+       (CPP_PREDEFINES): Define __MINGW32__ but don't set value; add more
+       WIN32 defines.
+       (STANDARD_INCLUDE_DIR): Remove i386- from directory name.
+       (STANDARD_INCLUDE_COMPONENT): Change to MINGW.
+       (MATH_LIBRARY): Undef before definition.
+       (OUTPUT_QUOTED_STRING): Likewise.
+       * config/i386/cygwin.h: Use WIN32_NO_ABSOLUTE_INST_DIRS.
+
+2001-10-10  Richard Henderson  <rth@redhat.com>
+
+       * unwind-dw2-fde.c (fde_compare_t): Change return type to int.
+       (fde_unencoded_compare): Likewise.  Don't use subtraction to get
+       a tristate comparison value.
+       (fde_single_encoding_compare, fde_mixed_encoding_compare): Likewise.
+
+2001-10-10  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       PR c++/4512
+       * unroll.c (loop_iterations): Ignore insns generated by loop
+       unrolling.
+
+       * config.gcc (mips*-*-gnu*): Delete support.
+       * config/mips/gnu.h: Remove.
+
+2001-10-10  Kazu Hirata  <kazu@hxi.com>
+
+       * calls.c: Fix formatting.
+       * c-decl.c: Likewise.
+       * cfgcleanup.c: Likewise.
+       * combine.c: Likewise.
+       * cppfiles.c: Likewise.
+       * cpplib.c: Likewise.
+       * cppmacro.c: Likewise.
+       * crtstuff.c: Likewise.
+       * cse.c: Likewise.
+       * dwarf2out.c: Likewise.
+       * expmed.c: Likewise.
+       * expr.c: Likewise.
+       * fold-const.c: Likewise.
+       * function.c: Likewise.
+       * gcse.c: Likewise.
+       * genattrtab.c: Likewise.
+       * ggc-page.c: Likewise.
+       * integrate.c: Likewise.
+       * libgcc2.c: Likewise.
+       * loop.c: Likewise.
+       * optabs.c: Likewise.
+       * profile.c: Likewise.
+       * protoize.c: Likewise.
+       * real.c: Likewise.
+       * recog.c: Likewise.
+       * reload1.c: Likewise.
+       * reload.c: Likewise.
+       * reorg.c: Likewise.
+       * resource.c: Likewise.
+       * sched-rgn.c: Likewise.
+       * sdbout.c: Likewise.
+       * stmt.c: Likewise.
+       * toplev.c: Likewise.
+       * varasm.c: Likewise.
+
+2001-10-10  Janis Johnson  <janis187@us.ibm.com>, Alexandre Oliva  <aoliva@redhat.com>
+
+       * langhooks.c: Include rtl.h, insn-config.h and integrate.h.
+       * Makefile.in (langhooks.o): Add dependencies.
+
+Wed Oct 10 00:41:29 EDT 2001  John Wehle  (john@feith.com)
+
+       * rs6000.c (rs6000_emit_load_toc_table): Don't
+       strdup the toc label.
+       (create_TOC_reference): Likewise.
+
+2001-10-09  Danny Smith  <danny_r_smith_2001@yahoo.co.nz>
+
+       * config.gcc (i[34567]86-*-mingw32*): Make msvcrt-dependent
+       version default.
+
+2001-10-09  Danny Smith  <danny_r_smith_2001@yahoo.co.nz>
+
+       * config/i386/i386.c (ix86_attribute_table): Correct
+       min_len, max_len fields for dllimport, dllexport and shared.
+
+2001-10-10  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi,
+       doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi:
+       Consistently use "nonzero" instead of "non-zero".
+
+2001-10-09  Kazu Hirata  <kazu@hxi.com>
+
+       * acconfig.h: Fix comment formatting.
+       * c-dump.h: Likewise.
+       * c-tree.h: Likewise.
+       * conditions.h: Likewise.
+       * expr.h: Likewise.
+       * function.h: Likewise.
+       * gthr.h: Likewise.
+       * hwint.h: Likewise.
+       * integrate.h: Likewise.
+       * intl.h: Likewise.
+       * loop.h: Likewise.
+       * optabs.h: Likewise.
+
+2001-10-09  Kazu Hirata  <kazu@hxi.com>
+
+       * c-common.h: Fix comment formatting.
+       * c-dump.c: Likewise.
+       * cfg.c: Likewise.
+       * diagnostic.h: Likewise.
+       * except.c: Likewise.
+       * gcc.h: Likewise.
+       * gcov-io.h: Likewise.
+       * genattrtab.c: Likewise.
+       * output.h: Likewise.
+       * predict.h: Likewise.
+       * reload1.c: Likewise.
+       * reload.h: Likewise.
+       * resource.h: Likewise.
+       * scan.h: Likewise.
+       * system.h: Likewise.
+       * tree.h: Likewise.
+       * tree-inline.c: Likewise.
+       * tsystem.h: Likewise.
+       * varasm.c: Likewise.
+       * xcoffout.h: Likewise.
+
+2001-10-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Document preference for "nonzero" over "non-zero".
+
+2001-10-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * config/alpha/freebsd.h, config/alpha/lib1funcs.asm,
+       config/i386/i386elf.h, config/i386/netbsd-elf.h,
+       config/i386/netware.h, config/mcore/gfloat.h,
+       config/mcore/mcore.c, config/mcore/mcore.h, config/mcore/mcore.md,
+       config/netware.h, gccbug.in: Update FSF address.
+
+2001-10-09  Kazu Hirata  <kazu@hxi.com>
+
+       * c-common.c: Fix comment typos.
+       * cfgrtl.c: Likewise.
+       * collect2.c: Likewise.
+       * cpplex.c: Likewise.
+       * doloop.c: Likewise.
+       * dwarf2out.c: Likewise.
+       * dwarfout.c: Likewise.
+       * expr.c: Likewise.
+       * fold-const.c: Likewise.
+       * gcc.c: Likewise.
+       * gcov.c: Likewise.
+       * gcse.c: Likewise.
+       * global.c: Likewise.
+       * ifcvt.c: Likewise.
+       * loop.c: Likewise.
+       * optabs.c: Likewise.
+       * protoize.c: Likewise.
+       * regclass.c: Likewise.
+       * reorg.c: Likewise.
+       * rtl.h: Likewise.
+       * stmt.c: Likewise.
+       * tree.h: Likewise.
+       * doc/cpp.texi: Likewise.
+       * doc/c-tree.texi: Likewise.
+       * doc/extend.texi: Likewise.
+       * doc/invoke.texi: Likewise.
+       * doc/objc.texi: Likewise.
+       * doc/tm.texi: Likewise.
+
+2001-10-08  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (set_named_section_flags): Initialize "declared".
+
+2001-10-08  Robert Lipe  <robertlipe@usa.net>
+
+       * varasm.c (struct in_named_entry): Add declared.
+       (named_section_first_declaration): New function.
+       (default_elf_asm_named_section): Use it.
+       * output.h (named_section_first_declaration): New.
+
+2001-10-08  Richard Henderson  <rth@redhat.com>
+
+       * i386.md (movsi_xor): Export.
+       (setcc peep2): Use it when available; add an alternative to
+       match zero_extendhisi2_and.
+
+2001-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * romp-protos.h (romp_initialize_trampoline): New function.
+       * romp.c (romp_initialize_trampoline): Likewise.
+       * romp.h (INITIALIZE_TRAMPOLINE): Define in terms of
+       romp_initialize_trampoline.
+
+2001-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * m68k/3b1.h (ASM_OUTPUT_SOURCE_LINE): Don't reference `last_linenum'.
+       * m68k/auxas.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+       * m68k/crds.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+       * m68k/mot3300.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+
+2001-10-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * unroll.c (loop_iterations): Extend check for multiple back edges.
+
+2001-10-08  Alexandre Oliva  <aoliva@redhat.com>
+
+       * langhooks.h: New file.
+       * Makefile.in (OBJS): Added langhooks.o.
+       (c-lang.o): Depend on langhooks.h.
+       (c-common.o): Don't depend on tree-inline.h.
+       (tree-inline.o): Depend on toplev.h.
+       (langhooks.o): New rule.
+       * c-common.c: Don't include tree-inline.h.
+       (c_mark_lang_decl): Mark argument c as unused.
+       (c_common_lang_init): Don't initialize hooks here.
+       * c-lang.c: Include langhooks.h, then override some macros.
+       (lang_hooks): Initialize with macros in langhooks.h.
+       (c_init): Don't initialize hooks here.
+       * toplev.c (struct lang_hooks_for_tree_inlining): New struct.
+       (struct lang_hooks): Add tree_inlining.  Refer to langhooks.h.
+       * tree-inline.c: Include toplev.h.  Don't define hook variables.
+       * tree-inline.h: Don't define hook types nor declare hook
+       variables.  Move macros to...
+       * langhooks.c: ... new file, as functions.  Adjust all callers.
+
+2001-10-08  Jeffrey A Law  <law@cygnus.com>
+
+       * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call
+       purge_mem_unchanging_flag on all instructions, not just on those
+       before NOTE_INSN_FUNCTION_BEG.
+
+2001-10-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (_cpp_create_definition): Leave comments off.
+
+       * doc/cpp.texi: Update.
+
+2001-10-08  DJ Delorie  <dj@redhat.com>
+
+       * c-decl.c (grokfield): Make sure the only unnamed fields
+       we're allowing are either structs or unions.
+       * doc/extend.texi: Add documentation for the unnamed field
+       extension.
+
+2001-10-08  Zack Weinberg  <zack@codesourcery.com>
+
+       * aclocal.m4 (gcc_AC_PROG_GNAT): New.
+       * configure.in: Use it.
+       * configure: Regenerated.
+       * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64,
+       config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS.
+
+2001-10-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (open_file): Don't mark zero-length files
+       never-reread here.  Don't output diagnostics here either.
+       (stack_include_file): Mark them never-reread here.
+       (_cpp_read_file): Update.
+
+2001-10-08  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
+
+2001-10-08  Richard Henderson  <rth@redhat.com>
+
+       * expr.c (store_expr): When converting a CONST_INT for storage
+       in a SUBREG, convert it to both SUBREG modes before stripping
+       the SUBREG.
+
+2001-10-08  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (restore_varasm_status): New.
+       * function.h: Declare it.
+       * function.c (pop_function_context_from): Call it.
+
+2001-10-08  Richard Henderson  <rth@redhat.com>
+
+       * c-common.h (struct c_lang_decl): Add declared_inline.
+       * c-tree.h (DECL_DECLARED_INLINE_P): New.
+       * c-lang.c (c_disregard_inline_limits): Use it.
+       * c-decl.c (duplicate_decls): Likewise.
+       (pushdecl, redeclaration_error_message): Likewise.
+       (pushdecl): Allocate DECL_LANG_SPECIFIC if needed.
+       (grokdeclarator): Likewise.  Set DECL_DECLARED_INLINE_P.
+       Set DECL_INLINE if -finline-functions.
+       (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here.
+
+2001-10-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (funlike_invocation_p): Move some logic to caller
+       in enter_macro_context.  Create a padding token in its own context
+       if necessary when the search for '(' fails.
+       (enter_macro_context): Update.
+
+2001-10-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c,
+       genmultilib, toplev.c: Fix spelling errors of "separate" as
+       "seperate", and corresponding spelling errors of related words.
+
+2001-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.c (expand_builtin_setjmp_receiver): Const-ify.
+       * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
+       Likewise.
+       * c-dump.c (dump_option_value_info): Likewise.
+       * c-format.c (format_length_info, format_char_info,
+       format_flag_spec, format_flag_pair, format_kind_info): Likewise.
+       * collect2.c (names): Likewise.
+       * cppdefault.h (default_include): Likewise.
+       * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
+       * flow.c (life_analysis): Likewise.
+       * gcc.c (dir_separator_str, modify_target, option_map,
+       target_option_translations, spec_list_1, extra_specs_1,
+       init_spec): Likewise.
+       * gcov.c (gcov_version_string): Likewise.
+       * genattr.c (write_units): Likewise.
+       * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
+       * gengenrtl.c (rtx_definition, defs): Likewise.
+       * genrecog.c (pred_table): Likewise.
+       * global.c (global_alloc): Likewise.
+       * lcm.c (optimize_mode_switching): Likewise.
+       * local-alloc.c (find_free_reg): Likewise.
+       * params.h (param_info): Likewise.
+       * predict.c (predictor_info): Likewise.
+       * protoize.c (unexpansion_struct): Likewise.
+       * real.c (bmask): Likewise.
+       * recog.h (insn_operand_data, insn_data): Likewise.
+       * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
+       * stmt.c (expand_nl_goto_receiver): Likewise.
+       * toplev.c (da, debug_args, lang_opt, documented_lang_options,
+       target_switches, target_options): Likewise.
+       * tradcif.y (token, tokentab2, yylex): Likewise.
+       * tree.h (attribute_spec): Likewise.
+
+       * alpha.c (override_options, alpha_lookup_xfloating_lib_func):
+       Likewise.
+       * arc.c (arc_output_function_epilogue): Likewise.
+       * arm.c (processors, all_cores, all_architectures,
+       arm_override_options, isr_attribute_arg, isr_attribute_args,
+       arm_isr_value): Likewise.
+       * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
+       Likewise.
+       * c4x.c (c4x_int_reglist): Likewise.
+       * d30v.c (override_options): Likewise.
+       * h8300.c (shift_insn): Likewise.
+       * i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
+       pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
+       ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
+       builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
+       ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
+       * i386.h (processor_costs, ix86_cost): Likewise.
+       * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
+       * m68hc11.h (processor_costs, m68hc11_cost): Likewise.
+       * m68k.c (codes_68881, codes_FPA): Likewise.
+       * m88k.c (mode_from_align, max_from_align, all_from_align,
+       best_from_align, m_options): Likewise.
+       * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
+       * mcore.c (mode_from_align): Likewise.
+       * mips/elf64.h (UNIQUE_SECTION): Likewise.
+       * mips/iris6gld.h (UNIQUE_SECTION): Likewise.
+       * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
+       * mips.h (mips_regno_to_class): Likewise.
+       * ns32k.c (scales): Likewise.
+       * pa.c (import_string, magic_milli): Likewise.
+       * rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
+       * sparc.c (leaf_reg_remap, sparc_override_options,
+       reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
+       Likewise.
+       * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.
+
+2001-10-07  Dale Johannesen  <dalej@apple.com>
+
+       * reload1.c (reload_reg_free_p): Teach register interference
+       checking that multiple output reloads are emitted in
+       reverse order.
+       reload1.c (reload_reg_reaches_end_p):  Ditto.
+       reload1.c (reloads_conflict):  Ditto.
+
+2001-10-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
+       NULL_TREE inside @code.
+
+2001-10-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Document consistent style of "32-bit",
+       "Objective-C", and "@code{NULL}".
+
+2001-10-06  Zack Weinberg  <zack@codesourcery.com>
+
+       * cpplex.c (enum spell_type): Add SPELL_NUMBER.
+       (cpp_token_len, cpp_spell_token, cpp_output_token,
+       _cpp_equiv_tokens): Handle it.
+       * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
+       CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
+       * cppexp.c (_cpp_parse_expr): Use the correct operator code in
+       error messages.
+
+Sat Oct  6 07:42:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * gcc.c (default_compilers): Remove .ada.
+
+2001-10-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cppinternals.texi: Update.
+
+2001-10-06  Zack Weinberg  <zack@codesourcery.com>
+
+       * gcc.c (main): Set this_file_error if the appropriate
+       compiler for a language has not been installed.
+
+2001-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
+
+2001-10-05  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gccbug.in (CATEGORIES): Add ada.
+
+2001-10-05  Catherine Moore  <clm@redhat.com>
+
+       * config/stormy16/stormy-abi:  Document abi changes.
+       * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
+       (ICALL_REGS): New register class.
+       (NUM_ARGUMENT_REGISTERS): Now 6.
+       (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
+       in registers.
+       (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
+       * config/stormy16.md (call_internal, call_value_internal,
+       indirect_jump): Use new 'z' constraint.
+
+2001-10-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cppinternals.texi: Update.
+
+2001-10-05  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (FRAME_BEGIN_LABEL): New.
+       (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
+       the gas section-name-as-label feature.
+
+2001-10-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cppinternals.texi: Update.
+
+Fri Oct  5 08:17:46 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
+       to ensure valid SImode constants.
+
+2001-10-05  Alexandre Oliva  <aoliva@redhat.com>
+
+       * Makefile.in (c-decl.o): Depend on tree-inline.h.
+       (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
+       * c-decl.c: Include tree-inline.h.
+       (c_expand_body): Call optimize_inline_calls. Determine whether
+       a function is inlinable upfront, and only clear
+       DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
+       * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
+       (c_disregard_inline_limits): New function.
+       (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
+       (c_post_options): Enable tree inlining if inlining is enabled.
+       Don't inline trees when instrumenting functions.
+       (c_init): Initialize lang_disregard_inline_limits and
+       lang_cannot_inline_tree_fn.
+       * tree-inline.c (initialize_inlined_parameters): Handle calls
+       with fewer arguments than declared parameters, and fewer
+       parameters than passed arguments.  Don't assume value is a
+       DECL.
+       (declare_return_variable): Convert return value back to the
+       original type, if it was promoted.
+       (tree_inlinable_function_p): New function.
+       (inlinable_function_p): Don't look at DECL_INLINE if we're
+       inlining all functions.  Make it work with a NULL id.
+       Re-check DECL_UNINLINABLE after language-specific checks.
+       * tree-inline.h (tree_inlinable_function_p): Declare it.
+       * integrate.c (save_for_inline): Don't bother to prepare argvec
+       when not inlining.
+       * cse.c (check_for_label_ref): Don't check deleted labels.
+
+       * Makefile.in (tree-inline.o): Depend on newly-included headers.
+       * tree-inline.c: Include headers needed for the functions moved in.
+       (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
+       (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
+       (copy_body, initialize_inlined_parameters): Likewise.
+       (declare_return_variable, inlinable_function_p): Likewise.
+       (expand_call_inline, expand_calls_inline): Likewise.
+       (optimize_inline_calls, clone_body): Likewise.
+       (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
+       (copy_tree_r, remap_save_expr): Likewise.
+
+2001-10-04  Alexandre Oliva  <aoliva@redhat.com>
+
+       * Makefile.in (OBJS): Added tree-inline.o.
+       (c-common.o): Depend on tree-inline.h.
+       (tree-inline.o): New target.
+       * c-common.c: Include tree-inline.h.
+       (c_mark_lang_decl): Don't mark saved_tree.
+       (c_common_lang_init): Set lang_anon_aggr_type_p.
+       * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
+       (struct c_lang_decl): Moved saved_tree to tree_decl.
+       * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
+       * integrate.h (function_attribute_inlinable_p): Declare it.
+       * integrate.c (function_attribute_inlinable_p): Export it.
+       * tree-inline.c: New file.  Define variables declared in...
+       * tree-inline.h: New file.  Declare functions to be moved to
+       tree-inline.c.  Define macros and declare types and hooks for
+       language-specific tree inlining.
+       (flag_inline_trees): Moved definition from cp/decl2.c.
+       * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
+       (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
+       (struct tree_decl): Moved saved_tree from c_lang_decl and
+       inlined_fns from C++'s lang_decl.
+
+2001-10-04  Loren J. Rittle  <ljrittle@acm.org>
+
+       * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
+       propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
+
+2001-10-04  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cppinternals.texi: Update.
+
+2001-10-04  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.c (init_cumulative_args): Remember to set
+       cum->prototype.
+       * config.gcc: Redo linux configuration. Add target_cpu_default
+       of soft-float to all mipsisa32 combinations and tx39.
+       * config/mips/linux.h: Remove include of mips.h.
+
+2001-10-03  Loren J. Rittle  <ljrittle@acm.org>
+
+       * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
+       HOST_LDFLAGS and HOST_CPPFLAGS.
+
+2001-10-03  Ziemowit Laski  <zlaski@apple.com>
+
+       * c-parse.in (objc_inherit_code, objc_pq_context,
+       objc_public_flag): Make static.
+       (objc_interface_context, objc_implementation_context,
+       objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
+       global tree array in objc/objc-act.[ch].
+       (methoddef): Remove unnecessary code.
+
+       * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
+       Hoist struct definitions to objc-act.h.
+       (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
+       cat_count): Place declaration in objc-act.h.
+       (objc_tree_index): Move enumeration to objc-act.h.
+       (objc_global_trees): Place declaration and macro accessors in
+       objc-act.h.
+       (implementation_context): Remove duplicate; use
+       objc_implementation_context instead:
+       (method_context): Remove duplicate; use objc_method_context
+       instead.
+       (objc_ellipsis_node, objc_method_prototype_template,
+       implemented_classes, function_type): Move global vars to
+       objc_global_trees.
+       (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
+       (build_message_expr): Move actual construction of ObjC message
+       send nodes to finish_message_expr.
+       (finish_message_expr): New routine, contains code formerly in
+       build_message_expr.
+       * objc/objc-act.h (finish_message_expr): New prototype.
+       (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
+       declarations; these vars are now part of objc_global_trees.
+       (objc_tree_index, objc_global_trees): Move definitions from
+       objc-act.c.
+       * objc/objc-tree.def: Update copyright info.
+
+Wed Oct  3 12:22:11 EDT 2001  John Wehle  (john@feith.com)
+
+       * dwarf2asm.c (unaligned_integer_asm_op): Abort if
+       op is NULL.
+       * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
+       only if TARGET_ARCH64.
+
+2001-10-02  Bernd Schmidt  <bernds@redhat.com>
+
+       * doc/extend.texi: Fix some problems with previous checkin.
+       * doc/invoke.texi: Likewise.
+
+2001-10-02  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h: Update comments.
+       (cpp_context): Update.
+       (spec_nodes): Remove n__Pragma.
+       * cppinit.c (cpp_create_reader): Update.
+       (builtin_array): Add _Pragma.
+       * cpplib.h: Update comments.
+       (NODE_DISABLED, BT_PRAGMA): New.
+       (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
+       * cppmacro.c (struct cpp_macro): Remove disabled.
+       (builtin_macro): Return int, handle _Pragma, push the new token
+       on the context stack.
+       (funlike_invocation_p): Unconstify, update.
+       (enter_macro_context): Handle builtins here.
+       (replace_args, push_token_context, push_ptoken_context):
+       Update for prototype changes.
+       (_cpp_pop_context): Update.
+       (cpp_get_token): Don't handle buitins, nor _Pragma here.
+       (cpp_sys_macro_p): Update.
+       (_cpp_free_definition): Clear disabled flag.
+       (_cpp_create_definition): Upate.
+       * cppmain.c: Update comments.
+
+Tue Oct  2 12:46:01 CEST 2001  Bo Thorsen     <bo@suse.co.uk>,
+                               Andreas Jaeger <aj@suse.de>,
+                               Jan Hubicka    <jh@suse.cz>
+
+       * doc/invoke.texi (i386 Options): Document x86-64 options.
+       (i386 and x86-64 Options): Rename i386 options section.
+
+       * config/i386/i386.h (TARGET_UNWIND_INFO): New.
+       (TARGET_SWITCHES): Add -munwind-info.
+       (MASK_NO_UNWIND_INFO): New.
+       (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
+       biarch compilation.
+       (ASM_OUTPUT_DOUBLE_INT): New.
+
+       * config/i386/linux64.h: New spec file for Linux x86-64 support.
+       * config.gcc: Fix tm_file settings for x86-64.
+       * config/i386/x86-64.h: New file with OS independent x86-64
+       definitions.
+       * config/i386/biarch64.h: New file used to configure compiler
+       to biarch/64bit compilation.
+
+       * config/i386/i386.c: (override_options): Set flags default
+       for 64bit compilation.
+
+Tue Oct  2 12:46:01 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
+       (ix86_expand_int_movcc): Optimize DImode conditional moves with
+       constants on x86_64.
+       (ix86_attr_length_immediate_default): Support MODE_DI.
+       * i386.md (fixdi splitter): Add missing "&& 1" in splitter
+       condition.
+       (indirect_jump, tablejump): Turn into expander.
+
+2001-10-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (c_format_attribute_table): Make format and
+       format_arg attributes apply to function types rather than to
+       decls.
+       (is_valid_printf_arglist): Construct an attribute list and pass
+       that to check_function_format rather than a name.
+       * c-common.h (check_function_format): Adjust prototype.
+       * c-decl.c (duplicate_decls): Preserve attributes from type of
+       built-in decl when allowing for harmless conflict in types.
+       * c-format.c (record_function_format,
+       record_international_format, function_format_list,
+       international_format_info, international_format_list): Remove.
+       (function_format_info): Remove next, name and assembler_name.
+       Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
+       (decode_format_attr): New.
+       (handle_format_attribute): Handle receiving a type rather than a
+       decl.  Call decode_format_attr.  Store format information in a
+       function_format_info.
+       (handle_format_arg_attribute): Correct comment.  Handle receiving
+       a type rather than a decl.  Use unsigned HOST_WIDE_INT for
+       arg_num.
+       (check_format_info_recurse, check_format_info_main): Take argument
+       numbers as unsigned HOST_WIDE_INT.
+       (check_function_format): Take a list of attributes from the
+       function type rather than a name or assembler name.  Check for
+       format attributes in that list and the attributes on the type of
+       the current function rather than looking through
+       function_format_list.
+       (check_format_info): Use unsigned HOST_WIDE_INT for argument
+       numbers.
+       (check_format_info_recurse): Take format_arg attributes from the
+       type of the function calls rather than using
+       international_format_list.  Allow for multiple format_arg
+       attributes.
+       * c-typeck.c (build_function_call): Pass type attributes to
+       check_function_format rather than name or assembler name.  Don't
+       require there to be a name or assembler name to check formats.
+
+2001-10-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * attribs.c (decl_attributes): Possibly call
+       insert_default_attributes to insert default attributes on
+       functions in a lazy manner.
+       * builtin-attrs.def: New file; define the default format and
+       format_arg attributes.
+       * c-common.c (c_format_attribute_table): Move to earlier in the
+       file.
+       (c_common_nodes_and_builtins): Initialize format_attribute_table.
+       (enum built_in_attribute, built_in_attributes,
+       c_attrs_initialized, c_init_attributes,
+       c_common_insert_default_attributes): New.
+       (c_common_lang_init): Don't initialize format_attribute_table.  Do
+       call c_init_attributes.
+       * Makefile.in (c-common.o): Depend on builtin-attrs.def.
+       * c-common.h (init_function_format_info): Don't declare.
+       (c_common_insert_default_attributes): Declare.
+       * c-decl.c (implicitly_declare, builtin_function): Call
+       decl_attributes.
+       (init_decl_processing): Don't call init_function_format_info.
+       (insert_default_attributes): New.
+       * c-format.c (handle_format_attribute,
+       handle_format_arg_attribute): Be quiet about inappropriate
+       declaration when applying default attributes.
+       (init_function_format_info): Remove.
+       * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
+       (insert_default_attributes): Declare.
+
+2001-10-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
+
+2001-10-01  Jim Wilson  <wilson@redhat.com>
+
+       * sched-deps.c (add_dependence): When elide conditional dependence,
+       check that insn doesn't modify cond2.
+
+2001-10-01  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/rs6000.h (enum processor_type): Add support
+       for 7400 (G4) and 7450.
+       (RTX_COSTS): Ditto.
+       * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
+       (rs6000_issue_rate): Ditto.
+       (rs6000_adjust_cost): Fix cycle counts for compares.
+       (debug_stack_info):  Fix an obvious typo.
+       * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
+       * doc/invoke.texi: Document.
+       * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
+       for Darwin.
+       (PROCESSOR_DEFAULT): Ditto.
+
+2001-10-01  Loren J. Rittle  <ljrittle@acm.org>
+
+       * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
+       (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
+       later recursive make invocation.
+
+2001-10-01  Hans Boehm  <boehm@acm.org>
+
+       * optabs.c (emit_libcall_block): When using non-call exceptions,
+       don't add REG_LIBCALL reg notes to trapping calls.
+
+2001-10-01  David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * flow.c (propagate_block_delete_libcall): Remove unused first arg
+       (propagate_one_insn):  Update for above change
+
+2001-10-01  David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
+       _Unwind_GetTextRelBase): Argument is unused.
+
+Mon Oct  1 19:20:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
+       Loop through NOPs, placeholders, and components.
+       Don't go through NOPs if change mode.
+       (record_alias_subset): Do nothing if SUBSET and SET are the same.
+       * emit-rtl.c (set_mem_alias_set): Enable check.
+       * expr.c (find_placeholder): New function.
+       (expand_expr, case PLACEHOLDER_EXPR): Use it.
+       (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
+       to modify it and avoid unneeded copies.
+       * expr.h (expand_expr): Always define.
+       (find_placeholder): New declaration.
+
+2001-10-01  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
+       operand 2 is the stack pointer.
+       ("addr-peephole"): Fix address computation peephole when operand 2
+       is the stack pointer.
+
+Mon Oct  1 09:26:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
+       (ix86_setup_incoming_varargs): Likewise.
+
+2001-10-01  Jason Merrill  <jason_merrill@redhat.com>
+
+       * stor-layout.c (layout_type): Don't complain about too-large
+       array here.
+
+Mon Oct  1 06:43:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (keep_stack_depressed): Don't use delete_insn.
+
+       * expr.h (set_mem_alias_set): Move decl to here.
+       * rtl.h (mem_attrs): New typedef and struct.
+       (union rtunion_def): Add field for mem_attrs.
+       (X0MEMATTR, MEM_ATTRS): New macros.
+       (MEM_ALIAS_SET): Use MEM_ATTRS.
+       (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
+       (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
+       (set_mem_alias_set): Delete decl from here.
+
+       * alias.c (set_mem_alias_set): Delete from here.
+       * emit-rtl.c (mem_attrs_htab): New variable.
+       (rtx_htab_mark, rtx_htab_mark_1): Deleted.
+       (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
+       (mem_attrs_mark, get_mem_attrs): Likewise.
+       (gen_rtx_MEM): Clear MEM_ATTRS.
+       (set_mem_attributes): Move to here.
+       (set_mem_alias_set): Likewise, and call get_mem_attrs.
+       (init_emit_once): const_int_htab now deletable htab.
+       Initialize mem_attrs_htab.
+       * explow.c (set_mem_attributes): Delete from here.
+       * function.c (put_var_into_stack): Clear MEM_ATTRS.
+       (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
+       * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
+       * reload1.c (reload): Rework changing REG to MEM.
+
+2001-09-30  H.J. Lu <hjl@gnu.org>
+
+       * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
+       * config.in: Rebuild.
+
+2001-09-30  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
+       ("tsthi_1"): Avoid allocation in register y.
+       ("*movqi_68hc12"): Reorganize and fix constraints.
+       ("zero_extendqisi2"): Prefer d over x and y for operand 1.
+       ("addqi3"): Likewise.
+       ("addhi3"): Fix constraints.
+       ("*logicalhi3_zexthi"): Disparage soft registers.
+
+2001-09-30  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
+       to tmp reg.
+
+2001-09-30  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
+       that we use setjmp/longjmp exceptions.
+
+2001-09-30  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
+       POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
+       struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
+       _cpp_pool_alloc, _cpp_next_chunk): Remove.
+       (_cpp_extend_buff, BUFF_ROOM): Update.
+       (_cpp_append_extend_buff): New.
+       (struct cpp_reader): Remove macro_pool, add a_buff.
+       * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
+       macro_pool.
+       (cpp_destroy): Free a_buff instead of macro_pool.
+       * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
+       new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
+       _cpp_pool_alloc, ): Remove.
+       (parse_number, parse_string): Update use of _cpp_extend_buff.
+       (_cpp_extend_buff): Update.
+       (_cpp_append_extend_buff, cpp_aligned_alloc): New.
+       * cpplib.c (glue_header_name, parse_answer):
+       Update use of _cpp_extend_buff.
+       (cpp_register_pragma, cpp_register_pragma_space): Use
+       _cpp_aligned_alloc.
+       (do_assert, do_unassert): Check for EOL, update.
+       * cppmacro.c (stringify_arg, collect_args): Update to use
+       _cpp_extend_buff and _cpp_append_extend_buff.
+       (save_parameter, parse_params, alloc_expansion_token,
+       _cpp_create_definition): Rework memory management.
+
+2001-09-29  Andris Pavenis  <pavenis@lanet.lv>
+
+       * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
+       update md_exec_prefix.
+       (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
+       to string constant.
+
+2001-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
+       (SELECT_CC_MODE): Use s390_select_ccmode.
+       * config/s390/s390-protos.h (s390_select_ccmode): Add.
+       * config/s390/s390.c (s390_select_ccmode): New.
+       (s390_match_ccmode): Add CCLmode.
+       (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
+       (output_branch_condition, output_inverse_branch_condition): Removed.
+       (print_operand): Use s390_branch_condition_mnemonic.
+       * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
+       subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
+       (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
+
+       * config/s390/s390.c (check_and_change_labels): Preserve CC mode
+       when converting conditional branches to far branches.
+       * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
+       cmpint_di): Use CCSmode instead of CCUmode.
+
+       * config/s390/s390.c (legitimate_la_operand_p): New.
+       * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
+       * config/s390/s390.md (movsi): Convert load address patterns to
+       arithmetic operations when necessary.
+       (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
+       (do_la): Renamed to *do_la and use legitimate_la_operand_p.
+       (*do_la_reg_0): Don't use before reload.
+
+       * config/s390/s390.c (legitimize_address): Make more efficient
+       use of two-register addressing mode.
+
+       * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
+       with -mno-backchain in some corner cases.
+
+       * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
+
+2001-09-29  Alexandre Oliva  <aoliva@redhat.com>
+
+       * reload.c (find_reloads): Mark new USE insns with QImode.
+       (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
+       find_reloads_subreg_address): Likewise.
+       * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
+       encountered.
+       * reload1.c (reload_combine_note_use): Likewise, inside USEs and
+       CLOBBERs.
+       (reload): Make sure there are no USEs with mode other than
+       VOIDmode.  At the end, remove those marked with QImode.
+
+2001-09-29  Per Bothner  <per@bothner.com>
+
+       * cppdefault.c (cpp_include_defaults):  Also search PREFIX_INCLUDE_DIR.
+       * Makefile.in (includedir):  Rename to local_includedir.
+       (includedir):  Define as $(prefix)/include.
+       * config.in (PREFIX_INCLUDE_DIR):  New variable.
+       * configure.in (PREFIX_INCLUDE_DIR):  Test for new variable.
+
+2001-09-29  Bernd Schmidt  <bernds@redhat.com>
+
+       * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
+       storehps builtins.
+       * doc/extend.texi (Vector Extensions): New node.
+       * doc/invoke.texi (Machine Dependent Options): Add documentation for
+       i386 -mmmx, -msse, -m3dnow.
+
+Sat Sep 29 15:08:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
+
+2001-09-29  Hans-Peter Nilsson  <hp@axis.com>
+
+       * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
+
+       * doc/invoke.texi (Optimize Options): Delete spurious @table.
+
+2001-09-28  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_integer): Bound alignment check by
+       BIGGEST_ALIGNMENT.
+
+       * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
+
+2001-09-28  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
+
+2001-09-25  Bernd Schmidt  <bernds@redhat.com>
+
+       Mostly from Graham Stott  <grahams@redhat.com>
+       * c-common.c (type_for_mode): Add support for V2SFmode.
+       * tree.c (build_common_tree_nodes_2): Likewise.
+       * tree.h (enum tree_index, global_trees): Likewise.
+       * config/i386/i386.c (x86_3dnow_a): New variable.
+       (override_options): Support 3Dnow extensions.
+       (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
+       Athlon's version of 3Dnow.
+       (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
+       (ix86_expand_builtin): Handle them.
+       (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
+       * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
+       TARGET_3DNOW_A): New macros.
+       (TARGET_SWITCHES): Add 3Dnow switches.
+       (VALID_MMX_REG_MODE_3DNOW): New macro.
+       (VECTOR_MODE_SUPPORTED_P): Use it.
+       (enum ix86_builtins): Add entries for 3Dnow builtins.
+       * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
+       pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
+       pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
+       pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
+       pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
+       pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
+       (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
+       mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
+       mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
+       sfence_insn, prefetch): Make these available if TARGET_SSE or
+       TARGET_3DNOW_A.
+
+Fri Sep 28 19:18:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
+       ix86_va_start, ix86_build_va_list): Declare.
+       * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
+       ix86_va_start, ix86_build_va_list): New global functions.
+       * i386.md (sse_prologue_save_insn): New insn.
+       (sse_prologue_save): New expander.
+       * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
+       BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
+
+2001-09-28  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
+       Use size_t everywhere, make definitions consistent with
+       prototypes.
+
+Fri Sep 28 14:59:34 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (replace_store_insn): Use delete_insn.
+       * loop.c (move_movables): Likewise; avoid delete_insn
+       from clobbering notes moved elsewhere.
+       (check_dbra_loop): Use delete_insn.
+       * ssa.c (convert_from_ssa): Likewise.
+       * cse.c (cse_insn): Use delete_insn.
+
+2001-09-28  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_buff): Make unsigned.
+       (_cpp_get_buff): Take length of size_t.
+       (_cpp_unaligned_alloc): New.
+       (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
+       (struct cpp_reader): Remove ident_pool.  Add u_buff.
+       * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
+       (cpp_destroy): Destroy u_buff, not ident_pool.
+       * cpplex.c (parse_number, parse_string, save_comment,
+       cpp_token_as_text): Update to use the unaligned buffer.
+       (new_buff): Make unsigned.
+       (_cpp_unaligned_alloc): New.
+       * cpplib.c (glue_header_name): Update to use the unaligned buffer.
+       * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
+       Similarly.
+       (collect_args): Make unsigned.
+
+2001-09-27  Zack Weinberg  <zack@codesourcery.com>
+
+       * cpplex.c (cpp_output_token): Use a putc loop for
+       SPELL_OPERATOR, and fwrite for SPELL_IDENT.
+
+       * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
+       * configure, config.in: Regenerate.
+       * system.h: Replace fwrite and fprintf with their unlocked
+       variants if available.
+
+2001-09-27  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
+       in favor of .eh_frame.
+
+2001-09-27  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
+       to macros.
+       (LIBCALL_VALUE): Likewise.
+
+2001-09-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h: Update comment.
+       * cpplex.c: Update comments.
+       (_cpp_can_paste): Remove.
+       * cpplib.h (_cpp_can_paste): Remove.
+       * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
+       lexer rather than _cpp_can_paste.
+
+2001-09-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cppinternals.texi: Update.
+
+2001-09-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_pool): Remove locks and locked.
+       (struct cpp_context): Add member buff.
+       (struct cpp_reader): Remove member argument_pool.
+       (_cpp_lock_pool, _cpp_unlock_pool): Remove.
+       * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
+       * cpplex.c (chunk_suitable): Remove pool argument.
+       (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
+       (new_buff, _cpp_extend_buff): Update.
+       (_cpp_get_buff): Fix silly pointer bug.  Be more selective about
+       which buffer is returned.
+       (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
+       (_cpp_lock_pool, _cpp_unlock_pool): Remove.
+       * cppmacro.c (lock_pools, unlock_pools): Remove.
+       (push_ptoken_context): Take a _cpp_buff.
+       (enter_macro_context): Pool locking removed.
+       (replace_args): Use a _cpp_buff for the replacement list with
+       arguments replaced.
+       (push_token_context): Clear buff.
+       (expand_arg): Use _cpp_pop_context.
+       (_cpp_pop_context): Free a context's buffer, if any.
+
+2001-09-26  DJ Delorie  <dj@redhat.com>
+
+       * c-typeck.c (digest_init): Check for sizeless arrays.
+
+2001-09-26  Richard Henderson  <rth@redhat.com>
+
+       * optabs.c (init_one_libfunc): Create a dummy function type
+       instead of using error_mark_node.
+
+2001-09-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
+       _cpp_extend_buff, _cpp_free_buff): New.
+       (struct cpp_reader): New member free_buffs.
+       * cppinit.c (cpp_destroy): Free buffers.
+       * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
+       _cpp_extend_buff, _cpp_free_buff): New.
+       * cpplib.h (struct cpp_options): Remove unused member.
+       * cppmacro.c (collect_args): New.  Combines the old parse_arg
+       and parse_args.  Use _cpp_buff for memory allocation.
+       (funlike_invocation_p, replace_args): Update.
+
+Wed Sep 26 13:20:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * final.c (final_scan_insn): Use delete_insn instead of delete_note.
+
+2001-09-25  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * except.c (sjlj_mark_call_sites): Change address inside sequence.
+
+2001-09-24  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
+       glibc.
+
+2001-09-25  Janis Johnson  <janis187@us.ibm.com>
+           Jim Wilson  <wilson@redhat.com>
+
+       * doc/install.texi (Specific, ia64-*-linux): Document.
+
+Tue Sep 25 17:13:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * Makefile.in (cfgrtl.o): Add.
+       * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
+       free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
+       free_aux_for_edge): Declare.
+       * cfg.c
+       (HAVE_return): Undefine.
+       * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
+       free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
+       free_aux_for_edge): New global functions.
+       (first_delete_block): New static variable.
+       (init_flow): Clear first_delete_block.
+       (basic_block_for_insn, label_value_list, tail_recursion_label_list,
+        can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
+        try_redirect_by_replacing_jump, last_loop_beg_note,
+        back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
+        delete_insn, delete_insn_chain, create_basic_block_structure,
+        create_basic_block, flow_delete_block, compute_bb_for_insn,
+        free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
+        set_block_for_new_insns, split_block, merge_blocks_nomove,
+        block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
+        redirect_edge_and_branch, force_nonfallthru_and_redirect,
+        force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
+        tidy_fallthru_edges, split_edge, insert_insn_on_edge,
+        commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
+        debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
+        purge_all_dead_edges): Move to ....
+       * cfgrtl.c: New file; .... Here.
+
+       * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
+       (reroder_basic_block): Use alloc_aux_for_blocks.
+       * predict.c (estimate_bb_frequencies): Likewise; use
+       alloc_aux_for_edges.
+       * profile.c (compute_branch_probabilities): Likewise.
+       (branch_prob): Likewise.
+       * reg-stack.c (reg_to_stack): Likewise.
+
+       * emit-rtl.c (emit_insns_after): Never return NULL.
+
+       * basic-block.h (set_block_for_new_insns): Delete.
+       * cfgrtl.c (set_block_for_new_insns): Delete.
+
+       * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
+       calls when crossjumping.
+
+       * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
+       * unroll.c (copy_loop_body): Use delete_insn.
+
+       * final.c (final, final_scan_insn): Use delete_insn/delete_note.
+       * function.c (fixup_var_refs_insn, fixup_var_refs_1,
+       keep_stack_depressed): Likewise.
+       * gcse.c (cprop_cc0_jump): Likewise.
+       * local-alloc.c (update_equiv_regs): Likewise.
+       * loop.c (scan_loop, loop_delete_insns): Likewise.
+       * regmove.c (try_auto_increment, fixup_match_1): Likewise.
+       * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
+       delete_output_reload, delete_address_reloads_1,
+       reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
+       Likewise.
+       * sibcall.c (replace_call_placeholder): Likewise.
+       * cse.c (cse_insn): Likewise.
+
+2001-09-25  Bernd Schmidt  <bernds@redhat.com>
+
+       From Graham Stott  <grahams@redhat.com>
+       (def_builtin): Only define builtins appropriate for target_flags.  All
+       callers changed.
+       (builtin_decsription): Add new field mask which is used to determine
+       when to define the builtin via the macro def_builtin.
+
+       (bdesc_comi): Initialize new mask fields.
+       (bdesc_2srg): Likewise.
+       (bdesc_1arg): Likewise.
+
+       * config/i386/i386.c (ix86_init_builtins): Correct return type
+       building v4hi_ftype_v4hi_int_int tree node.
+       (ix86_expand_sse_comi): Fix typo swapping operands.
+       Don't swap comparison condition, it is already swapped.
+       (ix86_expand_sse_compare): Before swapping operands
+       move operand 1 into new rtx and not the target rtx.
+       Don't swap comparison condition, it is already swapped.
+       Always check whether we need to create a new TARGET.
+
+       * config/i386/i386.md: (sse_comi) Fix typos.
+       (sse_ucomi): Likewise.
+       (cvtss2si): Fix operand 0 contraint.
+       (cvttss2si): Likewise.
+       (sse_unpckhps): Fix mode for operand 2.
+       (sse_unpcklps): Likewise.
+
+2001-09-25  Graham Stott  <grahams@redhat.com>
+
+       * sibcall.c (skip_copy_to_return_value): Tighten return value
+       copy check.
+
+2001-09-24  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (lwa_operand): Address must be word aligned.
+
+Mon Sep 24 18:57:59 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.c (type_hash_marked_p): Consider as marked if debug symbol
+       number has been set.
+       (type_hash_mark): Mark type itself.
+
+2001-09-24  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (cb_def_pragma): Update.
+       (c_lex): Update, and skip padding.
+       * cppexp.c (lex, parse_defined): Update, remove unused variable.
+       * cpphash.h (struct toklist): Delete.
+       (union utoken): New.
+       (struct cpp_context): Update.
+       (struct cpp_reader): New members eof, avoid_paste.
+       (_cpp_temp_token): New.
+       * cppinit.c (cpp_create_reader): Update.
+       * cpplex.c (_cpp_temp_token): New.
+       (_cpp_lex_direct): Add PREV_WHITE when parsing args.
+       (cpp_output_token): Don't print leading whitespace.
+       (cpp_output_line): Update.
+       * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
+       do_include_common, do_line, do_ident, do_pragma,
+       do_pragma_dependency, _cpp_do__Pragma, parse_answer,
+       parse_assertion): Update.
+       (get_token_no_padding): New.
+       * cpplib.h (CPP_PADDING): New.
+       (AVOID_LPASTE): Delete.
+       (struct cpp_token): New union member source.
+       (cpp_get_token): Update.
+       * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
+       (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
+       replace_args, quote_string, stringify_arg, parse_arg, next_context,
+       enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
+       _cpp_backup_tokens, _cpp_create_definition): Update.
+       (push_arg_context): Delete.
+       (padding_token, push_token_context, push_ptoken_context): New.
+       (make_string_token, make_number_token): Update, rename.
+       (cpp_get_token): Update to handle tokens as pointers to const,
+       and insert padding appropriately.
+       * cppmain.c (struct printer): New member prev.
+       (check_multiline_token): Constify.
+       (do_preprocessing, cb_line_change): Update.
+       (scan_translation_unit): Update to handle spacing.
+       * scan-decls.c (get_a_token): New.
+       (skip_to_closing_brace, scan_decls): Update.
+       * fix-header.c (read_scan_file): Update.
+
+       * doc/cpp.texi: Update.
+
+2001-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC.  Avoid
+       leak by passing malloc'ed pointer to reconcat, not concat.
+
+2001-09-24  DJ Delorie  <dj@redhat.com>
+
+       * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
+
+2001-09-24  Ulrich Weigand  <uweigand@de.ibm.com>:
+
+       * flow.c (delete_dead_jumptables): Delete jumptable if the only
+       reference is from the literal pool.
+
+2001-09-24  Janis Johnson  <janis187@us.ibm.com>
+
+       * doc/install.texi (Final install): Request additional information
+       in mail about successful builds.
+
+2001-09-24  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero.  Use
+       initial value of return pointer register instead of value in frame-20.
+       Revise comments.
+
+2001-09-24  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
+       (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
+       the libcall if there isn't a referenced identifier for the symbol.
+
+2001-09-24  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
+       non 64-bit machines.  Use these as a plabel for the trampoline.
+       (TRAMPOLINE_SIZE): Adjust size for new words.
+       (INITIALIZE_TRAMPOLINE): Initialize new words.
+       (TRAMPOLINE_ADJUST_ADDRESS): New.  Adjust address to make it a
+       pointer to the plabel in the trampoline.
+
+2001-09-24  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (function_arg): Pass floating arguments in both general and
+       floating registers in indirect (dynamic) calls when generating code
+       for the 32 bit ABI and the HP assembler.
+
+2001-09-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * doc/install.texi: Markup fixes.
+       Use Solaris 2, SunOS 4 as appropriate.
+       (Specific, *-*-solaris2*): Explain this.
+       Unconditionally warn against /usr/ucb tools.
+       Remove Sun as warning, obsolete.
+       Move X11 header bug workaround here, update patches.
+       (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
+       (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
+
+2001-09-23  Zack Weinberg  <zack@codesourcery.com>
+
+       * errors.h (warning, error, fatal, internal_error): Don't mark
+       with ATTRIBUTE_PRINTF_n.
+       * toplev.h (internal_error, fatal_io_error, warning, error,
+       pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
+       error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
+       Likewise.
+
+Sun Sep 23 18:19:48 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (pop_function_context_from): var_refs_queue
+       and temp slots now in GC memory.
+       (mark_function_status, free_after_compilation): Likewise;
+       also struct function now in GC memory.
+       (assign_stack_temp_for_type): struct temp_slot now in GC memory.
+       (combine_temp_slots): Likewise.
+       (schedule_fixup_var_refs): var_refs_queue now in GC memory.
+       (prepare_function_start): Use GC memory for struct function.
+       (mark_temp_slot): Deleted.
+       (gcc_mark_struct_function): struct function now in GC memory.
+
+       * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
+       code for division, not modulus.
+
+       * rtl.def (MEM): Remove obsolete part of comment.
+
+2001-09-22  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-format.c (init_function_format_info): Check __builtin_printf
+       and __builtin_fprintf even if -ffreestanding.  Check C99 functions
+       in gnu89 mode.
+
+Sat Sep 22 09:09:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * c-common.c (format_attribute_table): Remove decl.
+       * tree.h (format_attribute_table, lang_attribute_table): New decls.
+       (lang_attribute_common): Likewise.
+
+       * function.c (fix_lexical_address): Use set_mem_alias_set.
+       (expand_function_start): Likewise.
+       * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
+
+       * varasm.c (output_constant): Fix unused variable warning.
+
+       * attribs.c: New file, from c-common.c.
+       (attribute_tables): Now four elements.
+       (format_attribute_table, lang_attribute_common): New variables.
+       (init_attributes): Reflect above changes.
+       (handle_mode_attribute): Delete check for wider than uintmax.
+       * c-common.c: Delete parts moved to attribs.c.
+       (enum attrs): Deleted; unused.
+       (c_format_attribute_table): New variable.
+       (c_common_lang_init): Initialize format_attribute_table with it.
+       * c-common.h (decl_attributes): Remove decl.
+       * tree.h (decl_attribute): Move it to here.
+       * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
+       (attribs.o): New rule.
+
+2001-09-22  Andreas Jaeger  <aj@suse.de>
+
+       * builtins.c (c_getstr): Remove unused variable.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
+       * reload1.c (reload): Use delete_insn instead of splatting
+       NOTE_INSN_DELETED.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
+       * reload.c (push_secondary_reload): Don't check for "=" in output
+       constraint after ""->ALL_REGS check.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
+       * predict.c (expected_value_to_br_prob): Use pc_set.
+
+       * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
+       ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
+       * rtl.h (LCT_RETURNS_TWICE): New.
+       * calls.c (emit_call_1): Set current_function_calls_setjmp for
+       ECF_RETURNS_TWICE.
+       (emit_library_call_value_1): Map LCT_RETURNS_TWICE
+       to ECF_RETURNS_TWICE.
+       * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
+       call to setjmp.
+
+       * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
+
+       * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
+       (JMP_BUF_SIZE): New.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
+       * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
+       to R8_REGS.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
+       * tree.def (FDESC_EXPR): New.
+       * expr.c (expand_expr): Handle it.
+       * varasm.c (initializer_constant_valid_p): Likewise.
+       (output_constant): Likewise.
+       * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
+       * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
+       (ASM_OUTPUT_FDESC): New.
+       * doc/tm.texi: Document the new macros.
+
+2001-09-21  Richard Earnshaw  (reanrsha@arm.com)
+
+       * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
+       ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
+       once merging is complete.
+
+Fri Sep 21 11:20:12 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * integrate.c (allocate_initial_values): Eliminate unused arg warning.
+
+2001-09-21  Richard Earnshaw  (reanrsha@arm.com)
+
+       * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
+       that would be invalid after a merge.
+
+Fri Sep 21 14:24:29 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
+       * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
+       remove some labels.
+       (flow_delete_insn): This one.
+       (delete_insn_chain): Rename from ...; do not care labels.
+       (flow_delete_insn_chain): ... this one.
+       (flow_delete_block): Remove the insns one BB has been expunged.
+       (merge_blocks_nomove): Likewise.
+       (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
+       updating BB boundaries.
+       (tidy_fallthru_edge): Likewise.
+       (commit_one_edge_insertion): Likewise.
+       * cfgbuild.c (find_basic_block): Likewise.
+       (find_basic_blocks_1): Likewise.
+       * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
+       (try_crossjump_to_edge): Likewise.
+       (try_optimize_cfg): Likewise.
+       * cse.c (delete_trivially_dead_insns): Likewise.
+       * df.c (df_insn_delete): Likewise.
+       * doloop.c (doloop_modify): Use delete_related_insns.
+       * emit-rtl.c (try_split): Likewise.
+       (remove_insn): Update BB boundaries.
+       * expect.c (connect_post_landing_pads): Use delete_related_insns.
+       * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
+       updating BB boundaries.
+       (propagate_block_delete_insn): Likewise.
+       (propagate_block_delete_libcall): Likewise.
+       * function.c (delete_handlers): Use delete_related_insns.
+       (thread_prologue_and_epilogue_insns): Likewise.
+       * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
+       * genpeep.c (gen_peephole): Use delete_related_insns.
+       * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
+       BB boundaries.
+       (find_cond_trap): Likewise.
+       * integrate.c (save_for_inline): Use delete_related_insns.
+       (copy_insn_list): Likewise.
+       * jump.c (pruge_linie_number_notes): Likewise.
+       (duplicate_loop_exit_test): Likewise.
+       (delete_computation): Likewise.
+       (delete_related_insn): Rename from ...; use delete_insn
+       (delete_insn): ... this one.
+       (redirect_jump): Use delete_related_insns.
+       * loop.c (scan_loop): Likewise.
+       (move_movables): Likewise.
+       (find_and_verify_loops): Likewise.
+       (check_dbra_loop): Likewise.
+       * recog.c (peephole2_optimize): Likewise.
+       * reg-stack.c (delete_insn_for_stacker): Remove.
+       (move_for_stack_reg): Use delete_insn.
+       * regmove.c (combine_stack_adjustments_for_block): Likewise.
+       * reload1.c (delete_address_reloads): Use delete_related_insns.
+       (fixup_abnormal_edges): Use delete_insn.
+       * recog.c (emit_delay_sequence): Use delete_related_insns.
+       (delete_from-delay_slot): Likewise.
+       (delete_scheduled_jump): likewise.
+       (optimize_skip): Likewise.
+       (try_merge_delay_insns): Likewise.
+       (full_simple_delay_slots): Likewise.
+       (fill_slots_from_thread): Likewise.
+       (relax_delay_slots): Likewise.
+       (make_return_insns): Likewise.
+       (dbr_schedule): Likewise.
+       * rtl.h (delete_insn): Rename to delete_related_insns.
+       (delete_insn, delete_insn_chain): New prototypes.
+       * ssa-ccp (sse_fast_dce):  Remove deleting of DEF, as it is done
+       by df_insn_delete already.
+       * ssa-dce.c (delete_insn_bb): Use delete_insn.
+       * ssa.c (convert_from_ssa): Use delete_related_insns.
+       * unroll.c (unroll_loop): Likewise.
+       (calculate_giv_inc): Likewise.
+       (copy_loop_body): Likewise.
+
+       * i386-protos.h (ix86_libcall_value, ix86_function_value,
+       ix86_function_arg_regno_p, ix86_function_arg_boundary,
+       ix86_return_in_memory, ix86_function_value): Declare.
+       * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
+       new static valurables.
+       (x86_64_reg_class): New enum
+       (x86_64_reg_class_name): New array.
+       (classify_argument, examine_argument, construct_container,
+        merge_classes): New static functions.
+       (optimization_options): Enable flag_omit_frame_pointer and disable
+       flag_pcc_struct_return on 64bit.
+       (ix86_libcall_value, ix86_function_value,
+       ix86_function_arg_regno_p, ix86_function_arg_boundary,
+       ix86_return_in_memory, ix86_function_value): New global functions.
+       (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
+       (function_arg_advance): Handle x86_64 passing conventions.
+       (function_arg): Likewise.
+       * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
+       (RETURN_IN_MEMORY): Move offline.
+       (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
+       (FUNCTION_VALUE_REGNO_P): New macro.
+       (FUNCTION_ARG_REGNO_P): Move offline.
+       (struct ix86_args): Add maybe_vaarg.
+       * next.h (FUNCTION_VALUE_REGNO_P): Delete.
+       * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
+
+2001-09-21  Hartmut Penner  <hpenner@de.ibm.com>
+
+       * s390.md: Changed attributes for scheduling.
+       * s390.c: (s390_adjust_cost, s390_adjust_priority)
+       Changed scheduling
+
+2001-09-21  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       Table-driven attributes.
+       * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
+       config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
+       config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
+       config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
+       config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
+       config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
+       doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
+       tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
+       * tree.h (struct tree_decl): Change machine_attributes to
+       attributes.
+       * doc/c-tree.texi: Document that all attributes are now attached
+       to decls and types.
+       * c-common.c (add_attribute, attrtab, attrtab_idx,
+       default_valid_lang_attribute, valid_lang_attribute): Remove.
+       (attribute_tables, attributes_initialized,
+       c_common_attribute_table, default_lang_attribute_table): New
+       variables.
+       (handle_packed_attribute, handle_nocommon_attribute,
+       handle_common_attribute, handle_noreturn_attribute,
+       handle_unused_attribute, handle_const_attribute,
+       handle_transparent_union_attribute, handle_constructor_attribute,
+       handle_destructor_attribute, handle_mode_attribute,
+       handle_section_attribute, handle_aligned_attribute,
+       handle_weak_attribute, handle_alias_attribute,
+       handle_no_instrument_function_attribute,
+       handle_no_check_memory_usage_attribute, handle_malloc_attribute,
+       handle_no_limit_stack_attribute, handle_pure_attribute): New
+       functions.
+       (init_attributes, decl_attributes): Rewrite to implement
+       table-driven attributes.
+       * c-common.h (enum attribute_flags): Move to tree.h.
+       * c-format.c (decl_handle_format_attribute,
+       decl_handle_format_arg_attribute): Rename to
+       handle_format_attribute and handle_format_arg_attribute.  Update
+       for table-driven attributes.
+       * c-common.h (decl_handle_format_attribute,
+       decl_handle_format_arg_attribute): Remove prototypes.
+       (handle_format_attribute, handle_format_arg_attribute): Add
+       prototypes.
+       * c-decl.c (grokdeclarator): Handle attributes nested inside
+       declarators.
+       * c-parse.in (setattrs, maybe_setattrs): Remove.
+       (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
+       Update to handle nested attributes properly.
+       (maybe_resetattrs, after_type_declarator,
+       parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
+       absdcl1_ea, direct_absdcl1): Update to handle nested attributes
+       properly.
+       (make_pointer_declarator): Update to handle nested attributes
+       properly.
+       * doc/extend.texi: Update documentation of limits of attributes
+       syntax.  Warn about problems with attribute semantics in C++.
+       * target.h (struct target): Remove valid_decl_attribute and
+       valid_type_attribute.  Add attribute_table and
+       function_attribute_inlinable_p.
+       * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
+       TARGET_VALID_TYPE_ATTRIBUTE): Remove.
+       (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
+       Add.
+       (TARGET_INITIALIZER): Update.
+       * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
+       definition.
+       (function_attribute_inlinable_p): New function.  Check for the
+       presence of any machine attributes before using
+       targetm.function_attribute_inlinable_p.
+       (function_cannot_inline_p): Update.
+       * Makefile.in (integrate.o): Update dependencies.
+       * doc/tm.texi: Update documentation of target attributes and
+       example definition of TARGET_VALID_TYPE_ATTRIBUTE.
+       * tree.c (default_valid_attribute_p, valid_machine_attribute):
+       Remove.
+       (default_target_attribute_table,
+       default_function_attribute_inlinable_p): New.
+       (lookup_attribute): Update comment to clarify handling of multiple
+       attributes with the same name.
+       (merge_attributes, attribute_list_contained): Allow multiple
+       attributes with the same name but different arguments to appear in
+       the same attribute list.
+       * tree.h (default_valid_attribute_p): Remove prototype.
+       (struct attribute_spec): New.
+       (default_target_attribute_table): Declare.
+       (enum attribute_flags): Move from c-common.h.  Add
+       ATTR_FLAG_TYPE_IN_PLACE.
+       (default_function_attribute_inlinable_p): Declare.
+       * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (vms_attribute_table): New.
+       * config/arc/arc.c (arc_valid_decl_attribute): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (arc_attribute_table, arc_handle_interrupt_attribute): New.
+       * config/arm/arm.c (arm_valid_type_attribute_p,
+       arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
+       Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
+       define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (arm_attribute_table, arm_handle_fndecl_attribute,
+       arm_handle_isr_attribute): New.
+       * config/avr/avr.c (avr_valid_type_attribute,
+       avr_valid_decl_attribute): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
+       define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (avr_attribute_table, avr_handle_progmem_attribute,
+       avr_handle_fndecl_attribute): New.
+       * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (c4x_attribute_table, c4x_handle_fntype_attribute): New.
+       * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (h8300_attribute_table, h8300_handle_fndecl_attribute,
+       h8300_handle_eightbit_data_attribute,
+       h8300_handle_tiny_data_attribute): New.
+       * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
+       i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
+       Remove prototypes.
+       (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
+       declarations.
+       * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
+       define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (ix86_attribute_table, ix86_handle_cdecl_attribute,
+       ix86_handle_regparm_attribute): New.
+       * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
+       i386_pe_valid_type_attribute_p): Remove.
+       (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
+       * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (ia64_attribute_table): New.
+       * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
+       interrupt_ident2, model_ident1, model_ident2): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (init_idents): Update.
+       (m32r_attribute_table, m32r_handle_model_attribute): New.
+       * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
+       Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
+       * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (mcore_attribute_table, mcore_handle_naked_attribute): New.
+       * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
+       * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
+       * config/sh/sh.c (sh_valid_decl_attribute): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (sh_attribute_table, sh_handle_interrupt_handler_attribute,
+       sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
+       New.
+       * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
+       Remove.
+       (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
+       New.
+       * config/v850/v850.c (v850_valid_decl_attribute): Remove.
+       (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+       (TARGET_ATTRIBUTE_TABLE): Define.
+       (v850_attribute_table, v850_handle_interrupt_attribute,
+       v850_handle_data_area_attribute): New.
+       * config/v850/v850-c.c (mark_current_function_as_interrupt):
+       Return void.  Call decl_attributes instead of
+       valid_machine_attribute.
+
+Fri Sep 21 01:49:41 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * sh-protos.h (sh_pr_n_sets): Declare.
+       * sh.c (calc_live_regs): If the initial value for PR has been copied,
+       look at the copy to determine if PR needs to be saved.
+       sh_pr_n_sets: New function.
+       * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
+       (ALLOCATE_INITIAL_VALUE): Define.
+
+       * sh.c (initial_elimination_offset):
+       Fix RETURN_ADDRESS_POINTER_REGNUM case.
+
+Fri Sep 21 01:13:56 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * integrate.c (allocate_initial_values): New function.
+       * integrate.h (allocate_initial_values): Declare.
+       * local-alloc.c (local_alloc): Move call to allocate_reg_info from
+       here...
+       * reload1.c (reload): And initialization of reg_equiv_memory_loc
+       from here...
+       * toplev.c (rest_of_compilation): To here.
+       Call allocate_initial_values.
+       * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
+
+Thu Sep 20 09:00:27 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
+
+2001-09-20  DJ Delorie  <dj@redhat.com>
+
+       * c-typeck.c (really_start_incremental_init): Discriminate
+       between zero-length arrays and flexible arrays.
+       (push_init_level): Detect zero-length arrays and handle them
+       like fixed-sized arrays.
+       * expr.c (store_constructor): Handle zero-length arrays and
+       flexible arrays correctly.
+       * doc/extend.texi: Update zero-length array notes.
+
+2001-09-20  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
+       (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
+       for issue port conflicts.
+       (cycle_end_fill_slots): TYPE_L instructions take two slots.
+
+2001-09-20  Andrew MacLeod  <amacleod@redhat.com>
+
+       * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
+       on ia64.
+
+Thu Sep 20 09:00:27 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * fold-const.c (hashtab.h): Include.
+       (int_const_binop): Remove FORSIZE arg and compute from type; all
+       callers changed.
+       Call size_int_type_wide for all single-word constants.
+       (size_htab_hash, size_htab_eq): New functions.
+       (size_int_type_wide): Rework to use hash table.
+       * ggc-common.c (hashtab.h): Include.
+       (struct d_htab_root): New struct.
+       (d_htab_roots): New variable.
+       (ggc_add_deletable_htab, ggc_htab_delete): New functions
+       (ggc_mark_roots): Handle deletable htabs.
+       * ggc-page.c (ggc_marked_p): New function.
+       * ggc-simple.c (ggc_marked_p): Likewise.
+       * ggc.h: Reformatting throughout.
+       (ggc_marked_p, ggc_add_deletable_htab): New declarations.
+       * tree.c (init_obstacks): Make type_hash_table a deletable root.
+       (type_hash_add): Allocate struct type_hash from GC memory.
+       (mark_hash_entry, mark_type_hash): Deleted.
+       (type_hash_marked_p, type_hash_mark): New functions.
+       * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
+
+Thu Sep 20 12:49:34 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
+       than SImode.
+
+Thu Sep 20 09:00:27 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
+       array-too-large test for signed sizetype.
+
+Thu Sep 20 12:19:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (indirect_jump): Allow Pmode operand.
+       (tablejump): LIkewise; perform expansion to 64bit mode.
+       * i386.c (symbolic_operand): Allow 64bit PIC references.
+       (pic_symbolic_operand): Likewise.
+       (ix86_find_base_term): Strip the 64bit PIC references.
+       (legitimate_pic_address_disp_p): Handle 64bit PIC.
+       (legitimize_pic_address): Likewise.
+       (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
+       * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
+
+2001-09-19  Alexandre Petit-Bianco  <apbianco@redhat.com>
+
+       * stringpool.c (get_identifier_with_length): New function.
+       * tree.h (get_identifier_with_length): New prototype.
+
+2001-09-19  Alan Modra  <amodra@bigpond.net.au>
+           David Edelsohn  <edelsohn@gnu.org>
+
+       Revert:
+       * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
+       already sign-extended.
+
+       * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
+       * config/rs6000/rs6000.c (logical_operand): Always compare op as
+       HOST_WIDE_INT.
+       (rs6000_emit_set_long_const): Avoid unnecessary shift.
+       (output_profile_hook): Declare label_name const.
+       * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
+       to match constraints.
+
+2001-09-19  Stan Shebs  <shebs@apple.com>
+
+       * alias.c: Fix typos in comments.
+       * sched-rgn.c (init_ready_list): Ditto.
+       * unwind-dw2.c (uw_frame_state_for): Ditto.
+       * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
+       * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
+       * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
+
+2001-09-19  Richard Henderson  <rth@redhat.com>
+
+       * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
+       to the exit block.
+       * Makefile.in (cfg.o): Depend on TM_P_H.
+
+2001-09-19  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (local_symbol_p): Split out from ...
+       (local_symbolic_operand): ... here.
+       (small_symbolic_operand): Check mode.
+       (global_symbolic_operand): New.
+       (input_operand): Reject symbolics if explicit relocs.
+       (call_operand): Tidy.
+       (alpha_legitimize_address): Use movdi_er_high_g.
+       (alpha_expand_mov): Likewise.
+       * config/alpha/alpha-protos.h: Update.
+       * config/alpha/alpha.h (PREDICATE_CODES): Update.
+       * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
+       (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
+       (UNSPECV_LDGP2): Remove.
+       (all call patterns): Use 's' not 'i' for symbolic constraint.
+       (call_osf call_value_osf): Use call_operand.
+       (all osf call patterns): Use $gp.  New peepholes for explicit relocs.
+       (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
+       (prologue_ldgp_1_er): Remove.
+       (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
+       (builtin_setjmp_receiver_er patterns): Use them.
+       (exception_receiver_er): Likewise.
+
+2001-09-19  Richard Henderson  <rth@redhat.com>
+
+       * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
+
+       * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
+       and NON_LOCAL_GOTO notes.
+       * recog.c (peephole2_optimize): Likewise.  Handle EH_REGION;
+       copy over CALL_INSN_FUNCTION_USAGE.
+
+2001-09-18  Catherine Moore  <clm@redhat.com>
+
+       * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
+       Define as 0.
+
+2001-09-18  Ulrich Weigand  <uweigand@de.ibm.com>:
+
+       * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
+       new-style tm_file specification.  Specify correct tm_p_file,
+       md_file, and out_file for s390x.
+
+       * config/s390/linux.h, linux64.h:  Don't include other target
+       macro header files.  Now handled via tm_file.
+
+       * config/s390/linux.h, s390.h:  (IEEE_FLOAT, TARGET_IEEE_FLOAT,
+       TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
+       are defined before use.
+
+Tue Sep 18 09:51:11 2001  Eric Christopher  <ecechristo@redhat.com>
+
+       * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
+       code generation only for Gnu assembler.
+
+2001-09-18  Catherine Moore  <clm@redhat.com>
+
+       * config/stormy16 (LIB_SPEC): Remove -lnosys.
+
+2001-09-18  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (mips_frame_set): New.
+       (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
+       a parallel frame-related expression with a set for each register.
+
+2001-09-18  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
+       header files.
+
+2001-09-17  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
+       * config/rs6000/aix.h (FIXED_R2): Define.
+       * config/rs6000/darwin.h (FIXED_R2): Define.
+       * config/rs6000/sysv4.h (FIXED_R2): Define.
+
+2001-09-17  Jeff Sturm  <jsturm@one-point.com>
+
+       * except.c (dw2_build_landing_pads): New local
+       clobbers_hard_regs.  Emit an ASM_INPUT as a scheduling
+       barrier after clobbers.  Fixes c++/4012.
+
+2001-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
+
+2001-09-17  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * dostage2, dostage3, listing, make-l2.com, makefile.vms,
+       patch-apollo-includes, vmsconfig.com: Remove obsolete files.
+
+2001-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
+       alloca/strcpy.
+
+2001-09-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (_cpp_lex_direct): New.
+       * cpplex.c (_cpp_lex_token): Update.
+       (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
+       and increment that pointer.
+       * cppmacro.c (alloc_expansion_token): New.
+       (lex_expansion_token): Lex macro expansion directly into
+       macro storage.
+
+2001-09-16  Brad Lucier  <lucier@math.purdue.edu>
+
+       * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
+
+Sun Sep 16 21:59:46 CEST 2001  Jan hubicka  <jh@suse.cz>
+
+       * basic-block.h (free_bb_for_insn): Declare.
+       * bb-reorder.c (label_for_bb): Use block_label.
+       (emit_jump_to_block_after): Remove.
+       (insert_intra_1): Do not update block_for_insn.
+       (insert_inter_bb_scope_notes): Likewise; update bb->end
+       * cfg.c (free_bb_for_insn): New.
+       (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
+       (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
+       (commit_one_edge_insertion): Likewise.
+       (commit_one_edge_insertion): Do not update BB boundary.
+       (commit_edge_insertions): Do not call compute_bb_for_insn.
+       * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
+       * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
+       (merge_blocks_move_successor_nojumps): Likewise.
+       (try_crossjump_to_edge): Do not update block_for_insn.
+       * combine.c (combine_instructions): Remove compute_bb_for_insn call.
+       * df.c (df_pattern_emit_later): Do not update BB boundary.
+       (df_jump_pattern_emit_after): Likewise.
+       (df_insn_move_before): Use emit_insn_before.
+       * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
+        properly.
+       (add_insn_after, add_insn_before, emit_insns_after): Update BB
+       boundaries and basic_block_for_insn.
+       (reorder_insns_nobb): Rename from reorder_insns.
+       (reorder_insns): New.
+       (emit_block_insn_before, emit_block_insn_after): Kill.
+       * flow.c (check_function_return_warnings): Do not call
+       compute_bb_for_insn; Do not free basic_block_for_insn.
+       (attempt_auto_inc): Do not update basic_block_for_insn.
+       * function.c (emit_return_into_block): Likewise;
+       do not update BB boundaries.
+       * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
+       (insert_insn_end_bb): Use emit_insn_before; Likewise.
+       (pre_insert_copy_insn): Likewise.
+       (update_ld_motion_notes): Likewise.
+       (insert_insn_start_bb): Likewise.
+       (replace_store_insn): Likewise.
+       * ifcvt.c (noce_process_if_block): Likewise.
+       (if_convert): Do not call compute_bb_for_insn.
+       * lcm.c (optimize_mode_switching): Do not update BB boundaries.
+       Use emit_insn_before and emit_insn_after.
+       * recog.c (split_all_insns): Do not update BB boundaries;
+       Do not call compute_bb_for_insn.
+       (peephole2_optimize): Do not update BB boundaries.
+       * reg-stack.c (emit_pop_insn): Use emit_insn_after and
+       emit_insn_before.
+       (emit_swap_insn): Likewise.
+       (convert_regs_1): Likewise.
+       * reload1.c (reload): Call compute_bb_for_insn.
+       * rtl.h (reorder_insns_nobb): Declare.
+       * ssa.c (rename_equivalent_regs): Use emit_insn_before.
+       * toplev.c (rest_of_compilation): Call free_bb_for_insn
+       at places CFG is invalidated; do not call compute_bb_for_insn.
+
+       * cfg.c (expunge_block): Invalidate BB structure.
+
+       * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
+       array.
+
+       * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
+
+2001-09-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (_cpp_lex_token): Update prototype.
+       * cpplex.c (_cpp_lex_token): New prototype.
+       * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
+       lex_macro_node, read_flag, do_pragma_poison): Update.
+       * cppmacro.c (cpp_get_token, parse_params,
+       lex_expansion_token): Update.
+
+2001-09-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmain.c (scan_translation_unit): Don't worry about
+       putting a space after hashes.
+       * cpplib.c (directive_diagnostics): New.
+       (_cpp_handle_directive): Update to use directive_diagnostics.
+       (run_directive): Don't toggle prevent_expansion.
+       (do_line): Backup in case of the line extension.
+       * cpplib.h (cpp_lexer_pos): Remove.
+       * cppmacro.c (_cpp_create_definition): Precede a leading #
+       with whitespace.
+
+2001-09-15  Richard Henderson  <rth@redhat.com>
+
+       * c-typeck.c (comptypes): Handle zero-length arrays properly.
+
+2001-09-15  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
+
+2001-09-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       PR preprocessor/3571
+       * tradcpp.c (handle_directive): Skip non-vertical space.
+
+2001-09-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmain.c (setup_callbacks): Set line callback only
+       if outputting preprocessed source.
+
+2001-09-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * collect2.c (main): Const-ification.
+       * gcc.c (translate_options, process_command): Use xstrdup in
+       lieu of xmalloc/strcpy.
+       (main): Use concat in lieu of xmalloc/strcpy/strcat.
+
+2001-09-14  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
+       example.
+
+2001-09-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * scan-decls.c (scan_decls): Fix typo.
+
+2001-09-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
+       Split mlstring_pos into mls_line and mls_col.
+       * cppinit.c (cpp_create_reader): Initialize line to 1.
+       (cpp_destroy): Free tokenruns.
+       (push_include): Don't update lexer_pos.
+       * cpplex.c (unterminated, parse_string): Update.
+       (lex_token): Don't update lexer_pos, update.
+       * cpplib.c (if_stack): Save line instead of line + col.
+       (start_directive, _cpp_do__Pragma, do_else, do_elif,
+       push_conditional, _cpp_pop_buffer): Update.
+       * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
+       (_cpp_create_definition): Update.
+
+2001-09-15  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/abi64.h: Add support for MEABI.
+
+2001-09-15  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.md: Add unspec #2.
+       (reload_indi): Use.
+       (reload_outdi): Ditto.
+       (reload_outsi): Ditto.
+       (HILO_delay): New.
+
+2001-09-15  Eric Christopher  <echristo@redhat.com>
+           Jason Eckhardt  <jle@redhat.com>
+
+       * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
+       * config/mips/isa32-linux.h: New file.
+       * config/mips/isa3264.h: Ditto.
+       * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
+       * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
+       (output_block_mode): Support MEABI.
+       (function_arg): Ditto. Fix floating point arg passing.
+       (mips_va_start): Ditto.
+       (override_options): Add isas 32 and 64, meabi, mips32 and mips64
+       processors.
+       (mips_asm_file_start): Add new section to pass abi to gdb.
+       (function_arg_pass_by_reference): Support MEABI.
+       (mips_parse_cpu): Support mips32 and mips64 processors.
+       * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
+       TARGET_MIPS5KC.  Support isa32 and isa64.
+       (processor_type): Add r4kc, r5kc, r20kc.
+       (GENERATE_MULT3_SI): New.
+       (GENERATE_MULT3_DI): Ditto.
+       (GENERATE_MULT3): Remove.
+       (ISA_HAS_64BIT_REGS): Add isa == 64.
+       (ISA_HAS_8CC): Add mips_isa = 32 and 64.
+       (ISA_HAS_MADD_MSUB): New.
+       (ISA_HAS_CLZ_CLO): Ditto.
+       (ISA_HAS_DCLZ_DCLO): Ditto.
+       (ABI_GAS_ASM_SPEC): New.
+       (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
+       (ASM_SPEC): Ditto.
+       (LINK_SPEC): Ditto.
+       (SUBTARGET_CC1_SPEC): Ditto.
+       (SUBTARGET_CPP_SIZE_SPEC): Ditto.
+       (PAD_VARARGS_DOWN): Support MEABI.
+       (HARD_REGNO_NREGS): Move to mips.c.
+       (ASM_OUTPUT_IDENT): Add #undef.
+       * config/mips/mips.md: Add r4kc, r5kc, r20kc.
+       (mulsi3): Use GENERATE_MULT3_SI.
+       (mulsi3_mult3): Ditto.  Support mips32, mips64.
+       (mul_acc_si): Use ISA_HAS_MADD_MSUB.
+       (mul_sub_si): New pattern.
+       (unnamed splitters): New.
+       (muldi3): Use GENERATE_MULT3_DI.
+       (muldi3_internal2): Ditto.
+       (movdicc): Support mips32.
+       * config/mips/t-isa3264: New file.
+
+2001-09-15  Hans-Peter Nilsson  <hp@axis.com>
+
+       * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
+       || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
+       || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
+
+       * reorg.c (fill_slots_from_thread): After call to
+       steal_delay_list_from_target, update own_thread as new_thread may
+       have branched.
+
+2001-09-14  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpperror.c (print_location): Take line and column, for
+       default positioning use the previously lexed token.
+       (_cpp_begin_message): Take line and column.
+       (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
+       cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
+       * cpphash.h (_cpp_begin_message): Update prototype.
+       * cppinit.c (push_include): Don't set output line.
+       * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
+       * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
+       (do_pragma): Kludge for front ends.  Don't expand macros at all.
+       * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
+       (struct cpp_token): Remove output_line.
+       (struct cpp_callbacks): New member line_change.
+       * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
+       cpp_get_token): Preserve BOL flag.
+       (cpp_get_line): Remove.
+       (_cpp_backup_tokens): Remove useless abort().
+       * cppmain.c (cb_line_change): New.
+       (scan_translation_unit): Don't worry about starting new lines here.
+       * scan-decls.c (scan_decls): Update.
+       * c-lex.c (c_lex, init_c_lex): Update.
+       (cb_line_change, src_lineno): New.
+
+Fri Sep 14 13:54:50 EDT 2001  John Wehle  (john@feith.com)
+
+       * tree.c (append_random_chars): Generate the random
+       characters in a reproducable fashion.
+
+2001-09-14  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (internal_label_prefix): New.
+       (internal_label_prefix_len): New.
+       (override_options): Set them.
+       (local_symbolic_operand): New.
+       (legitimate_pic_address_disp_p): Use it.
+       (legitimize_pic_address): Likewise.
+
+2001-09-14  Marc Espie <espie@openbsd.org>
+
+       * config/i386/unix.h (ASM_OUTPUT_MI_THUNK):  Generate reference to GOT
+       correctly.
+
+2001-09-14  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
+       * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
+
+2001-09-14  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * rtlanal.c (subreg_regno_offset): Add semicolon to end of
+       invocation of SUBREG_REGNO_OFFSET.
+
+       * haifa-sched.c: Fix typo in FSF copyright statement.
+       * sched-deps.c: Fix typo in FSF copyright statement.
+       * sched-ebb.c: Fix typo in FSF copyright statement.
+       * sched-rgn.c: Fix typo in FSF copyright statement.
+       * sched-vis.c: Fix typo in FSF copyright statement.
+
+       * config.gcc: Move inclusion of arm elf specific header files
+       from the files themselves into the tm_file variable.  Make
+       sure that elfos.h is included before target specific elf
+       headers.
+       * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
+       already defined.
+       (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
+       * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
+       ASM_OUTPUT_CASE_LABEL): Protect definition.
+       (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
+       not already defined.
+       * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
+       LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
+       Remove duplicate definition.
+       (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
+       (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
+       (RDATA_SECTION_FUNCTION): Remove redundant definition.
+       (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
+       Remove inclusion of arm/elf.h.
+       * config/arm/unknown-elf.h: as for conix-elf.h.
+       (STARTFILE_SPEC): Include crti.o and crtn.o.
+       * config/arm/linux-elf.h: as for conix-elf.h.
+       * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
+       * config/arm/strongarm-elf.h: Remove inclusion of
+       unknown-elf.h.
+       * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
+       * config/arm/unknown-elf-oabi.h: Remove inclusion of
+       unknown-elf.h and elf.h.
+       * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
+       * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
+       ASM_WEAKEN_LABEL): Remove redundant definition.
+       * config/arm/elf.h: Test for inclusion of elfos.h
+       (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
+       ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
+       SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
+       EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
+       redundant definition.
+       (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
+       ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
+       ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
+       * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
+       Add rules to build crti.o and crtn.o
+       * crti.asm: New file.
+       * crtn.asm: New file.
+
+2001-09-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-parse.in (_yylex): Use _cpp_backup_tokens.
+       * cpphash.h (struct tokenrun): Add prev.
+       (struct lexer_state): Remove bol.
+       (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
+       (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
+       : Remove.
+       * cppinit.c (cpp_create_reader): Don't set bol.
+       (cpp_destroy): Don't free lookaheads.
+       * cpplex.c (lex_directive): Remove.
+       (next_tokenrun): Update.
+       (_cpp_lex_token): Clean up logic.
+       (lex_token): Update to return a pointer to lexed token, since it
+       can move to the start of the buffer.  Simpify newline handling.
+       * cpplib.c (SEEN_EOL): Update.
+       (skip_rest_of_line): Remove lookahead stuff.
+       (end_directive): Line numbers are already incremented.  Revert
+       to start of lexed token buffer if we can.
+       (_cpp_handle_directive, do_pragma, do_pragma_dependency,
+       parse_answer): Use _cpp_backup_tokens.
+       (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
+       instead.  Don't check for EOL.
+       (do_include_common, do_line, do_pragma_system_header): Use
+       skip_rest_of_line.
+       * cpplib.h (BOL, _cpp_backup_tokens): New.
+       * cppmacro.c (save_lookahead_token, take_lookahead_token,
+       alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
+       cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
+       (builtin_macro): Don't use cpp_get_line.
+       (cpp_get_line): Short term kludge.
+       (parse_arg): Handle directives in arguments here.  Back up when
+       appropriate.  Store EOF at end of argument list.
+       (funlike_invocation_p): Use _cpp_backup_tokens.
+       (push_arg_context): Account for EOF at end of list.
+       (cpp_get_token): Remove lookahead stuff.  Update.
+
+2001-09-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-parse.in (yyerror): Const-ification and/or static-ization.
+       * c-typeck.c (push_member_name): Likewise.
+       * collect2.c (main): Likewise.
+       * dbxout.c (dbxout_parms): Likewise.
+       * diagnostic.c (format_with_decl): Likewise.
+       * dwarf2out.c (output_ranges): Likewise.
+       * dwarfout.c (fundamental_type_code): Likewise.
+       * except.c (dw2_output_call_site_table): Likewise.
+       * gcc.c (do_spec_1): Likewise.
+       * genopinit.c (optabs): Likewise.
+       * objc/objc-act.c (synth_id_with_class_suffix, start_class,
+       gen_declaration_1, handle_impent): Likewise.
+       * protoize.c (default_include, in_system_include_dir, abspath):
+       Likewise.
+       * sched-vis.c (visualize_stall_cycles): Likewise.
+       * sdbout.c (plain_type_1, sdbout_end_function,
+       sdbout_end_epilogue): Likewise.
+       * varasm.c (decode_reg_name): Likewise.
+
+       * 1750a.c (mod_regno_adjust): Likewise.
+       * alpha.c (alpha_write_one_linkage,
+       unicosmk_output_default_externs): Likewise.
+       * arm.c (arm_condition_codes): Likewise.
+       * arm.h (arm_condition_codes): Likewise.
+       * avr.c (output_movsisf, encode_section_info): Likewise.
+       * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
+       Likewise.
+       * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
+       * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
+       * m88k.c (output_function_profiler): Likewise.
+       * mips.c (mips_output_conditional_branch): Likewise.
+       * ns32k.c (ns32k_out_reg_names): Likewise.
+       * ns32k.h (ns32k_out_reg_names): Likewise.
+       * pj.c (pj_output_rval): Likewise.
+       * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
+       * sparc.c (sparc_flat_function_prologue,
+       sparc_flat_function_epilogue): Likewise.
+
+2001-09-13  Markus Werle <numerical.simulation@web.de>
+           Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
+       Aachen University of Technology".
+
+2001-09-13  Andreas Schwab  <schwab@suse.de>
+
+       * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
+       C99.
+
+2001-09-13  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (small_symbolic_operand): New.
+       (override_options): Set MASK_SMALL_DATA based on pic/PIC.
+       (some_operand, input_operand): Don't handle HIGH.
+       (alpha_legitimize_address): Use it.  Emit HIGH with PLUS gp.
+       (alpha_expand_mov): Likewise.
+       (print_operand) [H]: Just print HIGH symbol.
+       (print_operand_address): Handle small data.
+       * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
+       (TARGET_SWITCHES): Add -msmall-data/large-data.
+       (PIC_OFFSET_TABLE_REGNUM): New.
+       (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
+       (PREDICATE_COES): Update.
+       * config/alpha/alpha.md (adddi_er_high): New.
+       (adddi_er_low): Handle small data.
+       * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
+       prefer .sdata to .rodata.
+       (SELECT_RTX_SECTION): Likewise.
+
+2001-09-12  Josh Martin  <josh.martin@abq.sc.philips.com>
+
+       * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
+       defining __size_t and leaving size_t undefined.
+
+2001-09-12  Diego Novillo  <dnovillo@redhat.com>
+
+       * basic-block.h (expunge_block): Declare.
+       * cfg.c (expunge_block): Remove static declaration.
+
+2001-09-12  Richard Henderson  <rth@redhat.com>
+
+       * integrate.c (copy_insn_list): Copy label name from
+       NOTE_INSN_DELETED_LABEL.
+
+2001-09-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-common.c (c_tree_code_name): Const-ification.
+       * c-decl.c (c_decode_option): Likewise.
+       * c-typeck.c (warn_for_assignment): Likewise.
+       * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
+       Likewise.
+       * cppinit.c (output_deps): Likewise.
+       * dependence.c (dependence_string, direction_string): Likewise.
+       * dwarf2out.c (output_ranges): Likewise.
+       * fixinc/fixfixes.c (emit_gnu_type): Likewise.
+       * fixinc/gnu-regex.c (re_error_msgid): Likewise.
+       * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
+       standard_startfile_prefix, standard_startfile_prefix_1,
+       standard_startfile_prefix_2, tooldir_base_prefix,
+       standard_bindir_prefix, find_a_file): Likewise.
+       * genattrtab.c (make_length_attrs): Likewise.
+       * gencheck.c (tree_codes): Likewise.
+       * genemit.c (gen_split): Likewise.
+       * genrecog.c (special_mode_pred_table): Likewise.
+       * graph.c (graph_ext): Likewise.
+       * protoize (default_include): Likewise.
+       * reload.c (reload_when_needed_name): Likewise.
+       * sched-vis.c (visualize_stall_cycles): Likewise.
+       * tlink.c (recompile_files): Likewise.
+       * toplev.c (decode_g_option): Likewise.
+       * tradcpp.c (output_deps): Likewise.
+       * varasm.c (decode_reg_name): Likewise.
+
+       * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
+       Const-ification.
+       * arm.md: Likewise.
+       * avr.c (avr_regnames, encode_section_info): Likewise.
+       * c4x.c (float_reg_names): Likewise.
+       * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
+       * elfos.h (const_section): Likewise.
+       * i386.c (ix86_comp_type_attributes): Likewise.
+       * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
+       * ia64/aix.h (UNIQUE_SECTION): Likewise.
+       * ia64.c (type_names): Likewise.
+       * m68hc11.c (reg_class_names): Likewise.
+       * m88k.c (m_options): Likewise.
+       * mips.c (mips_output_conditional_branch, mips_unique_section):
+       Likewise.
+       * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
+       * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
+       ultra_code_names): Likewise.
+       * sparc.h (OVERRIDE_OPTIONS): Likewise.
+
+2001-09-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * configure.in (gcc_cv_as_shf_merge): Fix a typo.
+       Use --fatal-warnings option for gas.
+       * configure: Rebuilt.
+
+2001-09-12  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
+
+2001-09-11  Jim Wilson  <wilson@redhat.com>
+
+       * alias.c (clear_reg_alias_info): Only handle pseudo registers.
+
+2001-10-11  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * builtins.c (c_strlen): Treat an offset too large for a
+       HOST_WIDE_INT as out of range.
+
+Tue Sep 11 18:57:47 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
+       (EDGE_CRITICAL_P): New predicate.
+       * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
+       handling.
+       (insert_insn_on_edge): Use EDGE_CRITICAL_P.
+       (dump_edge_info): Remove "crit".
+       * cfganal.c (mark_critical_edges): Kill.
+       * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
+       * cfgcleanup.c (cleanup_cfg): Likewise.
+       * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
+       (find_spanning_tree): Likewise.
+       * reg-stack.c (convert_regs_1): Likewise.
+       * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
+
+       * basic-block.h (create_basic_block_structure): New.
+       (create_basic_block): Update prototype.
+       (force_nonfallthru): New.
+       * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
+       * cfg.c (create_basic_block_structure): Rename from create_basic_block;
+       handle updating of block_for_insn, creating of empty BBs and BBs at
+       the end of INSN chain.
+       (create_basic_block): New function.
+       (split_block): Use create_basic_block.
+       (force_nonfallthru_and_redirect): Break out from ...; cleanup
+       (redirect_edge_and_branch_force): ... here.
+       (force_nonfallthru): New.
+       (split_edge): Rewrite to use force_nonfallthru and create_block.
+       * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
+       (find_basic_blocks): Free basic_block_for_insn.
+       * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
+
+       * cfg.c: Fix formating.
+       * cfgcleanup.c: Fix formating.
+       (merge_blocks, tail_recursion_label_p): Return bool.
+       (merge_blocks_move_predecessor_nojumps,
+        merge_blocks_move_successor_nojumps): Return void.
+
+2001-09-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * configure.in: Check whether assembler supports section merging.
+       * config.in: Rebuilt.
+       * configure: Rebuilt.
+       * varasm.c (variable_section, output_constant_pool): Pass alignment
+       to SELECT_SECTION and SELECT_RTX_SECTION.
+       (mergeable_string_section): New.
+       (mergeable_constant_section): New.
+       (default_elf_asm_named_section): Output SECTION_MERGE and
+       SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
+       * output.h (mergeable_string_section): New.
+       (mergeable_constant_section): New.
+       (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
+       * toplev.c (flag_merge_constants): New.
+       (f_options): Add -fmerge-constants and -fmerge-all-constants
+       options.
+       (toplev_main): Default to -fno-merge-constants if not optimizing.
+       * flags.h (flag_merge_constants): Add extern.
+       * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
+       * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
+       argument.
+       * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
+       Define if assembler has working .subsection -1 support.
+       (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
+       Put constant into special SHF_MERGE sections if the linker should
+       attempt to merge duplicates.
+       * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
+       macro argument.
+       Put constant into special SHF_MERGE sections if the linker should
+       attempt to merge duplicates.
+       * config/alpha/elf.h: Likewise.
+       (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
+       has working .subsection -1 support.
+       * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
+       SELECT_SECTION.
+       * config/svr3.h: Likewise.
+       * config/darwin.h: Likewise.
+       * config/arm/aof.h: Likewise.
+       * config/arm/linux-elf.h: Likewise.
+       * config/avr/avr.h: Likewise.
+       * config/c4x/c4x.h: Likewise.
+       * config/d30v/d30v.h: Likewise.
+       * config/i386/dgux.h: Likewise.
+       * config/i386/osfrose.h: Likewise.
+       * config/i386/sco5.h: Likewise.
+       * config/i386/svr3gas.h: Likewise.
+       * config/ia64/aix.h: Likewise.
+       * config/m32r/m32r.h: Likewise.
+       * config/m68k/m68k.h: Likewise.
+       * config/m88k/dgux.h: Likewise.
+       * config/m88k/m88k.h: Likewise.
+       * config/mcore/mcore-pe.h: Likewise.
+       * config/mips/mips.h: Likewise.
+       * config/pa/pa.h: Likewise.
+       * config/pa/pa-linux.h: Likewise.
+       * config/romp/romp.h: Likewise.
+       * config/rs6000/sysv4.h: Likewise.
+       * config/rs6000/xcoff.h: Likewise.
+       * config/s390/linux.h: Likewise.
+       * config/sparc/sparc.h: Likewise.
+       * config/sparc/sysv4.h: Likewise.
+       * config/stormy16/stormy16.h: Likewise.
+       * config/v850/v850.h: Likewise.
+       * config/vax/vms.h: Likewise.
+       * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
+       and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
+       * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
+       default_elf_asm_named_section for SHF_MERGE sections.
+
+Tue Sep 11 17:55:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
+       is OK.
+
+2001-09-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (split_specs_attrs): Allow for empty attributes with
+       empty TREE_PURPOSE.  Fixes PR c/4294.
+
+Tue Sep 11 11:37:52 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (cached_make_edge, make_single_succ): New.
+       (make_edge): Remove first parameter.
+       * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
+       * cfg.c (cached_make_edge): Rename from make_edge; return newly
+       created edge; use obstack allocation.
+       (make_edge, make_single_succ_edge): New.
+       (first_removed_edge): New static variable.
+       (init_flow): Initialize first_removed_edge and n_edges.
+       (clear_edges): Use remove_edge.
+       (flow_delete_block): Likewise.
+       (remove_edge): Add removed edges to the removed edges list.
+       (split_block, redirect_edge_and_branch_force, split_edge):
+       Use make_edge.
+       * cfganal.c (flow_call_edges_add): Updaet make_edge call.
+       (add_noreturn_fake_exit_edges): Likewise.
+       (connect_infinite_loops_to_exit): Liekwise.
+       * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
+       Use cached_make_edge.
+       * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
+       * profile.c (branch_prob): Update make_edge call.
+       * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
+
+2001-09-11  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c: Tidy formatting.
+       (local_symbolic_operand): Verify mode.
+       (alpha_sa_mask): Ignore unicos for eh_return.
+       (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
+       * config/alpha/alpha.md (umk divsi patterns): Remove.
+       (extendsfdf2): Remove unicos check.
+       (tablejump): Merge vms and unicos code; always use direct set
+       plus label_ref use.
+
+2001-09-11  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * config.gcc (alpha*-*-unicosmk*): New target.
+
+       * config/alpha/alpha-protos.h (symbolic_operand,
+       unicosmk_add_call_info_word, unicosmk_add_extern,
+       unicosmk_defer_case_vector, unicosmk_unique_section,
+       unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
+       unicosmk_asm_file_start, unicosmk_asm_file_end,
+       unicosmk_output_common): Declare.
+
+       * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
+       direct_return, function_arg, alpha_va_start, alpha_va_arg,
+       alpha_does_function_need_gp, alpha_end_function): Support Cray
+       Unicos/Mk.
+       (alpha_init_machine_status, alpha_mark_machine_status,
+       alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
+       unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
+       unicosmk_asm_named_section, unicosmk_insert_attributes,
+       unicosmk_section_type_flags, symbolic_operand,
+       unicosmk_output_module_name, unicosmk_output_default_externs,
+       unicosmk_output_dex, unicosmk_output_externs,
+       unicosmk_output_addr_vec, unicosmk_ssib_name,
+       unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
+       unicosmk_asm_file_end, unicosmk_output_common,
+       unicosmk_section_type_flags, unicosmk_unique_section,
+       unicosmk_add_call_info_word, unicosmk_text_section,
+       unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
+       unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
+       unicosmk_dex_count, unicosmk_special_name): New.
+       (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
+       TARGET_ABI_UNICOSMK.
+       (get_aligned_mem, alpha_expand_unaligned_load,
+       alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
+       alpha_expand_unaligned_store_words): Support big-endian mode.
+       (print_operand): Likewise. New format specifier 't'. Use
+       TARGET_AS_SLASH_BEFORE_SUFFIX.
+       (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
+       (alpha_pv_save_size): Update with above change.
+       (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
+       alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
+       Unicos/Mk.
+
+       * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
+       (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
+       (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
+       (EXTRA_CONSTRAINT): New constraint 'U'.
+       (PREDICATE_CODES): Add symbolic_operand.
+
+       * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
+       UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
+       (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
+       (integer division and modulus patterns): Split in default and
+       Unicos/Mk versions.
+       (*divmodsi_internal, *divmoddi_internal): Disable for
+       TARGET_ABI_UNICOSMK.
+       (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
+       little-endian and big-endian versions.
+       (ext, ins, msk): Likewise.
+       (extv, extzv, insv): Support big-endian mode.
+       (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
+       (call_umk, call_value_umk, *call_umk, tablejump_umk,
+       *tablejump_umk_internal, *call_value_umk): New.
+       (*movdi_nofix): Add pattern for loading an address into a register on
+       TARGET_ABI_UNICOSMK.
+       (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
+       (umk_mismatch_args, arg_home_umk): New.
+       (various insns): Don't use mov, fmov, nop, fnop and unop.
+       (realign): Support TARGET_ABI_UNICOSMK.
+
+       * config/alpha/unicosmk.h: New file.
+       * config/alpha/t-unicosmk: New file.
+
+       * fixinc/inclhack.def (unicosmk_restrict): New.
+       * fixinc/fixincl.x: Regenerate.
+
+       * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
+       (wchar_t): Check for and define __WCHAR_T__.
+
+2001-09-11  Richard Sandiford  <rsandifo@redhat.com>
+
+       * combine.c (simplify_shift_const): Treat shifts by the mode
+       size as undefined.
+
+2001-09-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct tokenrun): New.
+       (struct cpp_context): New member bol.
+       (struct cpp_reader): New members.
+       (_cpp_init_tokenrun): New.
+       * cppinit.c (cpp_create_reader): Set up the token runs.
+       * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
+       (lex_token): New internalised version of _cpp_lex_token.  Don't
+       handle directives or the multiple include optimization here any
+       more.  Simply lex a token.
+       * cpplib.c (run_directive): Clear bol.
+       (_cpp_pop_buffer): Set bol.
+       * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
+       arguments.
+
+2001-09-11  Michael Meissner  <meissner@redhat.com>
+
+       * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
+       give an error if the user uses -mfp32.
+       (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
+       default options.
+       (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
+       floating point register size.
+       (EXTRA_SPECS): Add CPP_FPR_SPEC.
+
+       * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
+       HOST_WIDE_INT_PRINT_DEC to properly print the result of
+       int_size_in_bytes.
+       * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
+       * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
+
+2001-09-11  Hans-Peter Nilsson  <hp@axis.com>
+
+       * dbxout.c (dbxout_parms): Fix typo in comment.
+       * unroll.c (loop_find_equiv_value): Ditto.
+       * toplev.c (rest_of_compilation): Ditto.
+       * loop.c (scan_loop): Ditto.
+       * dwarf2out.c (struct dw_fde_struct): Ditto.
+
+2001-09-10  Zack Weinberg  <zackw@panix.com>
+
+       * cpplex.c (parse_identifier): Fast-path optimize.  Avoid
+       copying identifier when we're just going to throw it away.
+       (parse_identifier_slow): New routine to handle abnormal cases.
+       (_cpp_lex_token): Update call site.
+
+       * hashtable.c (ht_lookup): Don't assume that the string we've
+       been given is NUL-terminated.
+       * system.h: #define __builtin_expect(a, b) to (a) if not
+       GCC >=3.0.
+
+2001-09-10  Michael Meissner  <meissner@redhat.com>
+
+       * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
+       binutils, gdb.
+
+2001-09-10  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
+
+Mon Sep 10 16:26:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * builtins.c (c_getstr): Correct thinko in last change and further
+       cleanup.
+
+2001-09-10  Tim Freeman <tim@fungibole.com>
+
+       * dwarf2out.c (incomplete_types, decl_scope_table): Make them
+       into varray's and register them as roots with the garbage
+       collector so they are not collected too soon.
+
+Mon Sep 10 14:21:26 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
+       New.
+       * basic-block.h (flow_obstack, label_value_list,
+       tail_recursion_label_list): Declare
+       (tidy_fallthru_edges): Declare.
+       (expunge_block, last_loop_beg_note): Delete.
+       (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
+       * cfg.c: New file
+       (basic_block_for_insn, label_value_list): Move from flow.c; make global.
+       (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
+       init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
+       flow_delete_insn, flow_delete_insn_chain, create_basic_block,
+       expunge_block, flow_delete_block, compute_bb_for_insn,
+       update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
+       make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
+       redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
+       try_redirect_by_replacing_jump, last_loop_beg_note,
+       redirect_edge_and_branch, redirect_edge_and_branch_force,
+       tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
+       split_edge, insert_insn_on_edge, commit_one_edge_insertion,
+       commit_edge_insertions, dump_flow_info, debug_flow_info,
+       dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
+       verify_flow_info, purge_dead_edges, purge_all_dead_edges):
+       Move here from flow.c
+       * cfganal.c: New file.
+       (forwarder_block_p, can_fallthru, mark_critical_edges,
+        mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
+        find_unreachable_blocks, create_edge_list, free_edge_list,
+        print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
+        flow_edge_list_print, remove_fake_successors, remove_fake_edges,
+        add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
+        flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
+        flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
+        flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
+       Move here from flow.c
+       * cfgbuild.c: New file
+       (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
+        make_edges, find_basic_blocks_1, find_basic_blocks,
+        find_sub_basic_blocks): Move here from flow.c
+       * cfgcleanup.c: New file.
+       (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
+        merge_blocks_move_predecessor_nojumps,
+        merge_blocks_move_successor_nojumps, merge_blocks,
+        flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
+        try_crossjump_bb, try_optimize_cfg): Move here from flow.c
+       (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
+       if succeeded.
+       * cfgloop.c: New file
+       (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
+        flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
+        flow_loop_exit_edges_find, flow_loop_nodes_find,
+        flow_loop_pre_header_scan, flow_loop_pre_header_find,
+        flow_loop_tree_node_add, flow_loops_tree_build,
+        flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
+        flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
+       Move here from flow.c
+       * flow.c: Remove everything moved elsewhere
+       * output.h (cleanup_cfg): Return bool.
+
+       * bb-reorder.c (reorder_block_def): Remove 'index'.
+       (insert_intra_1): Add argument BB, set block for new note.
+       (make_reorder_chain): Do not depdent on BB indexes.
+       (make_reorder_chain_1): Do not use BB indexes.
+       (label_for_bb): Likewise; set BB for new insn.
+       (emit_jump_to_block_after): Likewise.
+       (fixup_reorder_chain): Sanity check that all basic blocks
+       are chained; verify newly created insn chain; remove
+       undocnitional jump simplifying; Do not use BB indexes;
+       properly initialize count and frequency information;
+       dump reordered sequence.
+       (insert_intra_bb_scope_notes): update call of insert_intra_1.
+       (insert_inter_bb_scope_notes): Set block for new insn.
+       (reorder_basic_blocks): Dump flow info before reoredering.
+
+Mon Sep 10 06:47:35 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (clear_reg_alias_info): Use K&R format definition.
+       Avoid unsigned warning.
+       * builtins.c: Use "unsigned int", not "unsigned".
+       (target_char_cast): Use host_integerp and tree_low_cst.
+       (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
+       (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
+       (c_getstr): Likewise.
+       (std_expand_builtin_va_arg): Use int_size_in_bytes.
+       (builtin_memcpy_read_str): Avoid unsigned warning.
+       (expand_builtin_memcpy): Alignments are unsigned.
+       (expand_builtin_strncpy, expand_builtin_memset): Likewise.
+       (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
+       * predict.c (expensive_function_p): LIMIT now unsigned.
+       * resource.c (mark_target_live_regs): Make some vars unsigned.
+       * sdbout.c: Use "unsigned int", not "unsigned".
+       (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
+       (sdbout_source_line): Likewise.
+       (sdbout_record_type_name): Remove "const" for NAME declaration.
+       * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
+
+2001-09-10  Richard Sandiford  <rsandifo@redhat.com>
+
+       * calls.c (store_one_arg): Expand comment.
+
+2001-09-10  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * calls.c (store_one_arg): Make sure that the entire argument is
+       pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
+
+2001-09-09  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
+
+Sun Sep  9 10:43:17 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * loop.c (combine_givs): Fix computing of benefit once giv is combined.
+
+2001-09-09  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_next_sequence_number): New.
+       (alpha_this_literal_sequence_number): New.
+       (alpha_this_gpdisp_sequence_number): New.
+       (some_operand, input_operand): Add HIGH.
+       (local_symbolic_operand): New.
+       (alpha_encode_section_info): New.
+       (alpha_legitimate_address_p): Allow LO_SUM.
+       (alpha_legitimize_address): Generate HIGH+LO_SUM.
+       (alpha_expand_mov): Likewise.
+       (secondary_reload_class): Check memory_operand not general_operand
+       for FP_REGS test.
+       (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
+       (alpha_expand_unaligned_store): Likewise.
+       (alpha_expand_unaligned_load_words): Likewise.
+       (alpha_expand_unaligned_store_words): Likewise.
+       (alpha_expand_block_clear): Likewise.
+       (print_operand): Handle %#, %*, %H.
+       (print_operand_address): Handle LO_SUM.
+       (find_lo_sum): New.
+       (alpha_does_function_need_gp): Use it.
+       (alpha_expand_block_move): Fix signed compare warnings.
+       (alpha_sa_mask, alpha_align_insns): Likewise.
+       * config/alpha/alpha-protos.h: Update.
+       * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
+       (MASK_EXPLICIT_RELOCS): New.
+       (TARGET_SWITCHES): Add -mexplicit-relocs.
+       (EXTRA_CONSTRAINT): Add 'T'.
+       (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
+       (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
+       (ENCODE_SECTION_INFO): Out line.
+       (REDO_SECTION_INFO_P): New.
+       (STRIP_NAME_ENCODING): New.
+       (ASM_OUTPUT_LABELREF): New.
+       (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
+       (PREDICATE_CODES): Update.
+       * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
+       call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
+       movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
+       builtin_setjmp_receiver_er, exception_receiver_1_er,
+       call_value_osf_1_er): New patterns.
+       (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
+       (movqi, movhi, movsi): Add explicit $31 base register to lda.
+       * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
+       (FINAL_PRESCAN_INSN): New.
+
+Sat Sep  8 22:00:55 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
+
+2001-09-08  Andreas Jaeger  <aj@suse.de>
+
+       * i386.h (TARGET_SWITCHES): Fix description.
+
+2001-09-07  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (num_insns_constant): Compute number of instructions
+       more accurately.
+
+       * doc/install.texi: Explain AIX exception handling work-around.
+       Update URL for AIX fixes.
+
+2001-09-07  Jim Wilson  <wilson@redhat.com>
+
+       * alias.c (clear_reg_alias_info): New.
+       * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
+       * rtl.h (clear_reg_alias_info): Declare.
+
+2001-09-07  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
+       available.
+       (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
+       (m16m,edivm,emulm): Change declaration to match definition.
+
+2001-09-07  Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+       * reload.c (push_reload): Check for subreg_lowpart_p instead of
+       SUBREG_BYTE being 0 when determining if the inner part of a subreg
+       can be reloaded.
+
+2001-09-07  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * c-common.c (signed_or_unsigned_type): Handle machine mode types
+       which have no corresponding C type.
+       * fold_const.c (target_isinf,target_isnan,target_negative): Update
+       the representation of 64-bit doubles to work with 64-bit ints.
+
+2001-09-07  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/mips/mips.c (override_options): Do not override ISA when ABI
+       specified if MIPS_CPU_STRING_DEFAULT was specified.
+
+2001-09-07  Richard Henderson  <rth@redhat.com>
+
+       * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
+       (express_from_1): Wrap lines.
+       * rtlanal.c (commutative_operand_precedence): Rename from
+       operand_preference; export.
+       * rtl.h: Declare it.
+       * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
+       (simplify_binary_operation): Invoke simplify_plus_minus on
+       (CONST (PLUS ...)) as well.
+       (struct simplify_plus_minus_op_data): New.
+       (simplify_plus_minus_op_data_cmp): New.
+       (simplify_plus_minus): Use them.  Avoid infinite recursion with
+       simplify_binary_operation wrt CONST.
+
+Fri Sep  7 11:52:30 2001   Kazu Hirata  <kazu@hxi.com>
+
+       * h8300-protos.h (general_operand_dst_push): Remove.
+       * h8300.c (general_operand_dst_push): Likewise.
+       * h8300.h (OK_FOR_T): Likewise.
+       (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
+       * h8300.md (pushqi_h8300): New.
+       (pushqi_h8300hs): Likewise.
+       (pushqi): Likewise.
+       (pushhi_h8300): Likewise.
+       (pushhi_h8300hs): Likewise.
+       (pushhi): Likewise.
+
+Fri Sep  7 12:56:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * genattrtab.c (attr_printf): First arg is unsigned.
+       Clean up formatting of callers.
+
+2001-09-06  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/mips/mips.c (override_options): Allow abi32 with 64 bit
+       registers.
+
+2001-09-07  Andreas Jaeger  <aj@suse.de>
+
+       * i386.h (TARGET_SWITCHES): Fix descriptions.
+
+2001-09-07  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
+
+2001-09-06  Ira Ruben  <ira@apple.com>
+
+       Remove OP_IDENTIFIER.
+       * tree.def (OP_IDENTIFIER): Remove.
+       * tree.c (tree_node_kind enum): Remove op_id_kind.
+       (tree_node_kind_names): Remove "op_identifiers".
+       (make_node): Remove OP_IDENTIFIER test.
+       (build_op_identifier): Removed because it isn't being used.
+       * print-tree.c (print_node): Remove OP_IDENTIFIER case.
+       * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
+
+2001-09-06  Richard Henderson  <rth@redhat.com>
+
+       * simplify-rtx.c (simplify_binary_operation): Revert last change.
+
+2001-09-06  Richard Henderson  <rth@redhat.com>
+
+       * simplify-rtx.c (simplify_binary_operation): Simplify contents
+       of CONST.
+
+2001-09-06  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
+       number used for CR register.
+
+Thu Sep  6 11:16:35 2001  Jeffrey A Law  (law@cygnus.com)
+                         Joern Rennecke (amylaar@cygnus.com)
+
+       * h8300-protos.h (h8300_return_addr_rtx): New prototype.
+       * h8300.c (initial_offset): Handle offset between RP and FP.
+       (h8300_return_addr_rtx): New function.
+       * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
+       return register.
+       (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
+       (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
+       (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
+       (CAN_ELIMINATE, REGISTER_NAMES):
+       (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
+
+2001-09-06  Nathan Sidwell  <nathan@codesourcery.com>
+
+       Remove TYPE_NONCOPIED_PARTS.
+       * tree.h (TYPE_NONCOPIED_PARTS): Remove.
+       (struct tree_type): Remove noncopied_parts.
+       * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
+       * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
+       (fixed_type_p): Remove.
+       (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
+       (expand_expr, MODIFY_EXPR): Likewise.
+       * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
+       * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
+
+2001-09-06  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
+       compiler warnings.
+       (mask64_operand): Likewise.
+       (includes_rldic_lshift_p): Likewise.
+       (includes_rldicr_lshift_p): Likewise.
+
+2001-09-05  Ziemowit Laski  <zlaski@apple.com>
+
+       * objc/objc-act.c (build_message_expr): If a class method cannot
+       be found, do not issue a warning if a corresponding instance
+       method exists in the root class.
+
+2001-09-05  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
+
+2001-09-05  Zack Weinberg  <zack@codesourcery.com>
+
+       * function.c (ggc_mark_struct_function): Mark f->outer.
+       * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
+       * integrate.c (output_inline_function): ... not here.
+
+Wed Sep  5 17:28:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
+
+       * i386.c (size_cost): New static variable.
+       (override_function): Use size_cost when -Os is specified.
+
+       * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
+       properly;  Use current_function_calls_eh_return.
+       (ix86_expand_epilogue): Avoid dummy optimize_size tests;
+       use leave to avoid dependency chain.
+
+       * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
+       get BB loop_depth instead of computing it from LOOP notes.
+
+       * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
+
+2001-09-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+       * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+       UNALIGNED_DOUBLE_INT_ASM_OP): Define
+
+2001-09-05  Jeffrey A Law  (law@cygnus.com)
+           Jason Merrill (jason@redhat.com)
+
+       * stor-layout.c (layout_type): Complain if an array's size can
+       not be represented in a size_t.
+
+       * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
+
+2001-09-05  David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * gcc.c: (process_command) Add parentheses around assignment
+       used as truth value.
+
+2001-09-05  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (save_restore_insns): Don't mark any register
+       save slots as unchanging if current_function_calls_eh_return.
+
+2001-09-05  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_legitimate_address_p): New.
+       * config/alpha/alpha-protos.h: Declare it.
+       * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
+       (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
+       (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
+       (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
+       (REG_OK_FOR_BASE_P): Select one of the above.
+
+2001-09-05  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
+       (crti.o): Prefix name of object file with $(T).
+       (crtn.o): Likewise.
+
+2001-09-05  David S. Miller  <davem@redhat.com>
+
+       * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
+       * config/sparc/linux64.h: Likewise.
+
+2001-09-05  Andreas Jaeger  <aj@suse.de>
+
+       * doc/invoke.texi (i386 Options): -mwide-multiply is not
+       available anymore, remove the documentation.
+       (i386 Options): Fix typo, cleanup index entries.
+
+       * prefix.c (concat): Remove, we can use the version from liberty.
+
+2001-09-05  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
+       New functions split out of md file expanders.
+       * config/alpha/alpha-protos.h: Declare them.
+       * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
+
+2001-09-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (funlike_invocation_p): No need to restore context.
+
+2001-09-04  Richard Henderson  <rth@redhat.com>
+
+       * reload.c (push_reload): Export.
+       * reload.h (push_reload): Declare it.
+
+       * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
+       (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
+       * config/alpha/alpha.c (alpha_legitimize_address): New.
+       (alpha_legitimize_reload_address): Likewise.
+       * config/alpha/alpha-protos.h: Declare them.
+
+2001-09-04  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
+       * config/darwin.c (machopic_stub_name): Account for internally
+       generated lib calls such as memcpy.
+
+2001-09-04  Richard Henderson  <rth@redhat.com>
+
+       * unwind.h (_UA_END_OF_STACK): New flag.
+       * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
+
+Tue Sep  4 11:16:35 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
+
+2001-09-04  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (save_restore_insns): Change base_offset to
+       fp_offset in second call to mips_emit_frame_related_store.
+
+2001-09-04  Hans-Peter Nilsson  <hp@axis.com>
+
+       * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
+       sometimes be represented as a NOTE of type
+       NOTE_INSN_DELETED_LABEL.
+       (Insns): Document NOTE_INSN_DELETED_LABEL.
+
+2001-09-04  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * c-common.h (tree_dump_index): Add more comments.
+       * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
+       (dump_option_value_info): New struct.
+       (dump_options): New array.
+       (dump_switch_p): Parse switch options symbolically.
+       * doc/invoke.texi (-fdump-ast): Rename to ...
+       (-fdump-tree): ... here. Document that options are symbolic, and
+       not all are applicable.
+
+2001-09-04  David S. Miller  <davem@redhat.com>
+
+       * config/sparc/sparc.md (define_splits): Kill constraints.
+
+       Cleanup redundant and unused insn attributes.
+       * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
+       binary, and move.  Mark ialu as default.
+       (commented out define_function_unit "alu"): Kill.
+       (define_attr "use_clobbered"): Kill.
+       (whole file): Kill address insn type references.  Replace
+       all unary/binary/move references with ialu.
+       * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
+       references.  Replace TYPE_{UNARY,BINARY,MOVE} references with
+       TYPE_IALU.
+
+       Simplify length insn attribute and make more judicious use
+       of insn attribute defaulting.
+       * config/sparc/sparc.md (all insns with length > one): Mark as
+       insn type multi if real instructions, else use default if
+       it is a forced splitter.
+       (all insns with length == one): Use default insn length.
+       (all insns of type ialu): Use default insn type.
+
+       Fix erroneous insn attribute settings.
+       (addx): Set insn type to misc.
+       (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
+       const_umulsidi3_sp64): Set insn type to imul.
+
+       Track SFmode vs DFmode insns according to UltraSPARC
+       scheduling rules.
+       * config/sparc/sparc.md ("fptype"): New attribute, default
+       to "single".
+       (all DFmode single insns): Mark as fptype "double".
+
+2001-09-03  Jakub Jelinek  <jakub@redhat.com>
+
+       * loop.c (express_from_1): Fix CONSTANT_P(a) case.
+
+2001-09-03  Richard Henderson  <rth@redhat.com>
+
+       * function.h (struct function): Add arg_pointer_save_area_init.
+       * function.c (expand_function_end): Init arg_pointer_save_area.
+       (get_arg_pointer_save_area): Do not init arg_pointer_save_area
+       when called from a nested function.
+
+2001-09-02  Angela Marie Thomas <angela@cygnus.com>
+
+       * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
+       is enabled.
+
+Sun Sep  2 18:37:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
+
+2001-09-01  Geoffrey Keating  <geoffk@redhat.com>
+
+       * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
+       (emit_push_insn): Use specified padding direction when
+       STACK_PUSH_CODE is POST_INC.
+
+       * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
+
+2001-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
+
+2001-09-01  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (cpp_start_read): Free the imacros list as we
+       traverse it.  Don't free the chains before returning.
+       (_cpp_push_next_buffer): Only try pushing buffers if we've
+       completed -imacros handling.
+
+2001-08-31  Eric Christopher  <echristo@redhat.com>
+
+       * gcc.c (handle_braces): Add explaination for abort.
+
+2001-08-30  Roman Zippel  <zippel@linux-m68k.org>
+
+       * expmed.c (store_bit_field): Update to patch from 2001-08-27:
+       move adjustment of bitpos instead.
+
+2001-08-31  Zack Weinberg  <zack@codesourcery.com>
+
+       * function.c: Remove all_functions.  Make outer_function_chain
+       static.
+       (init_function_start): Don't add new function structure to
+       all_functions.
+       (find_function_data, push_function_context_to,
+       pop_function_context_from, put_var_into_stack,
+       trampoline_address): Update for changed structure element names.
+       (push_function_context_to): Disentangle.
+       (free_after_compilation): Also free F.
+       (expand_dummy_function_end): Don't free cfun here.
+       (put_var_into_stack): Comment why we can't use find_function_data here.
+       (fix_lexical_addr, trampoline_address, ): Use find_function_data.
+       (mark_function_chain): Split into maybe_mark_struct_function and
+       ggc_mark_struct_function.  Export the latter.
+       (init_function_once): Mark from cfun and outer_function_chain;
+       not all_functions.
+
+       * function.h (struct function): Kill next_global.  Rename next
+       to outer.  All users updated to match.
+       (all_functions, outer_function_chain): Don't declare.
+
+       * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
+       * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
+       don't touch f->inlinable, after calling rest_of_compilation.
+
+       * tree.h: Forward-declare struct function.  Prototype
+       ggc_mark_struct_function.
+
+2001-08-31  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (*andorhi3): Fix typos.
+
+2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * calls.c (emit_library_call_value): Don't use a fixed
+       argument after VA_CLOSE, i.e. out of scope in traditional C.
+
+       * emit-rtl.c (gen_rtvec): Likewise.
+
+2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (c-pragma.o): Depend on output.h.
+       (reorg.o): Depend on except.h.
+
+       * c-pragma.c: Include output.h.
+
+       * reorg.c: Include except.h.
+
+       * unwind-dw2.c: Call __builtin_alloca, not alloca.
+
+2001-08-31  Richard Henderson  <rth@redhat.com>
+
+       * sched-deps.c (add_dependence): Don't elide dependency if the
+       conditional used by insn is modified in elem.
+
+2001-08-31  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
+
+2001-08-31  Diego Novillo  <dnovillo@redhat.com>
+
+       * c-decl.c (c_decode_option): Skip '-f' prefix before calling
+       dump_switch_p.
+
+2001-08-31  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
+       function.
+       (stormy16_asm_out_constructor): New function.
+       (TARGET_ASM_CONSTRUCTOR): Define.
+       (TARGET_ASM_DESTRUCTOR): Define.
+
+2001-08-31  Andreas Jaeger  <aj@suse.de>
+
+       * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
+       * loop.c (add_label_notes): Likewise.
+       * reload.c (find_reloads): Likewise.
+       * config/sh/sh.c (machine_dependent_reorg): Likewise.
+
+2001-08-31  Jason Merrill  <jason_merrill@redhat.com>
+
+       * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
+       code here.  Take _Unwind_{W,Sw}ord*.
+       (read_encoded_value_with_base): Use them.
+       * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
+       words.
+       (extract_cie_info): Simplify read_?leb128 handling.
+       (execute_stack_op, execute_cfa_program): Likewise.
+       * unwind-dw2-fde.c (get_cie_encoding): Likewise.
+
+2001-08-31  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
+       the frame pointer to pop the stack if convenient.
+
+       * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
+       Don't use post-increment before combine.
+       * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
+       a call-saved register.
+
+2001-08-31  Andreas Jaeger  <aj@suse.de>
+
+       * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
+       code was correct.
+
+2001-08-30  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
+       not DIV/MOD, of course.
+
+2001-08-30  Vladimir Makarov  <vmakarov@redhat.com>
+
+       * rtl.def: Undo my patch commited 2001-08-27.
+
+       * genattrtab.c: Ditto.
+
+       * rtl.h: Ditto.
+
+       * sched-int.h: Ditto.
+
+       * target-def.h: Ditto.
+
+       * target.h: Ditto.
+
+       * haifa-sched.c: Ditto.
+
+       * sched-rgn.c: Ditto.
+
+       * sched-vis.c: Ditto.
+
+       * Makefile.in: Ditto.
+
+       * doc/md.texi: Ditto.
+
+       * doc/tm.texi: Ditto.
+
+       * doc/contrib.texi: Ditto.
+
+       * doc/gcc.texi: Ditto.
+
+       * genattrtab.h: Remove it.
+
+       * genautomata.c: Remove it.
+
+       * genattr.c: Undo my patch and Richard Henderson's patch commited
+       2001-08-27.
+
+Thu Aug 30 19:22:15 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * config.gcc (h8300-*-elf*): New case.
+       * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
+       (SUBTARGET_CPP_SPEC): Define.
+       (EXTRA_SPECS): Define.
+       (SUBTARGET_EXTRA_SPECS): Define.
+       * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
+       * config/h8300/elf.h, config/h8300/t-elf: Likewise.
+
+Thu Aug 30 18:50:37 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
+       (LIB2FUNCS_EXTRA): Define.
+       config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
+       config/h8300/fixunssfsi.c: New file.
+
+2001-08-30  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (zero_extendqihi2): Changes to
+       define_expand to accommodate target-specific attributes.
+       (anonymous zero_extendqihi2 patterns): New.
+
+Thu Aug 30 18:10:56 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * h8300.md (*andorhi3): New pattern.
+
+Thu Aug 30 16:00:31 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * h8300.c (dosize): Fix test for "sub".
+
+Thu Aug 30 10:21:43 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * c-typeck.c (pointer_diff): Try to eliminate common term before
+       doing conversions.
+
+2001-08-30  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.c (arm_compute_initial_elimination_offset):
+       Account for the saves of the FP registers.
+
+       * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
+       (TEXT_SECTION_ASM_OP): Define.
+       (INIT_SECTION_ASM_OP): Define.
+       (FINI_SECTION_ASM_OP): Define.
+       (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
+       (RDATA_SECTION_FUNCTION): Provide prototype.
+
+2001-08-29  Geoffrey Keating  <geoffk@redhat.com>
+
+       * reload1.c (move2add_note_store): Correct typo checking for
+       argument pushes.
+
+2001-08-29  Andrew MacLeod  <amacleod@redhat.com>
+
+       * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
+       note should not be considered outside the libcall block.
+
+2001-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300-protos.h: Add a prototype for
+       emit_logical_op.
+       * config/h8300/h8300.c (emit_logical_op): New.
+       * config/h8300/h8300.md (andhi3): Use emit_logical_op.
+       (andsi3): Likewise.
+       (iorhi3): Likewise.
+       (iorsi3): Likewise.
+       (xorhi3): Likewise.
+       (xorsi3): Likewise.
+
+2001-08-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
+       comparison with rtx INTVAL.
+       (pa_output_function_prologue): Don't mix signed and unsigned in `?'
+       expression.
+       * pa.h (FUNCTION_ARG_SIZE): Likewise.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/lib1funcs.asm: Update the copyright.  Fix
+       comment typos.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (anonymous movhi pattern): Don't move
+       (reg n) to (mem (pre_dec (reg n))
+       (anonymous movsi pattern): Likewise.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
+       several special constants.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/lib1funcs.asm: Fix comment typos.
+
+2001-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
+       Fix format specifier warnings.
+
+       * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
+       inet_makeaddr, semctl): Prototype.
+
+       * mips.c (compute_frame_size): Fix signed/unsigned warnings.
+       (save_restore_insns): Use base_offset, not gp_offset.
+
+       * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
+       (ASM_OUTPUT_BYTE): Fix format specifier warning.
+
+2001-08-29  Richard Henderson  <rth@redhat.com>
+
+       * bb-reorder.c (function_tail_eff_head): New.
+       (record_effective_endpoints): Set it.
+       (fixup_reorder_chain): Use it.
+
+2001-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
+
+2001-08-28  Dale Johannesen  <dalej@apple.com>
+
+       * config/darwin.c (machopic_function_base_name): Add const
+       qualifier to a string.
+       (darwin_encode_section_info): Ditto.
+
+2001-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * tree.c (default_valid_attribute_p): Don't use PARAMS on a
+       function definition.
+
+2001-08-28  Daniel Berlin  <dan@cgsoftware.com>
+
+       * df.h (struct df): Add rts_order variable.
+
+       * df.c (df_visit_next_rts): New function.
+       (df_visit_next): Renamed to df_visit_next_rc
+       (df_analyse_1): Allocate/compute/free rts_order as well.
+       (df_rd_global_compute): Use df_visit_next_rc instead of
+       df_visit_next.
+       (df_ru_global_compute): Use df_visit_next_rts instead of
+       df_visit_next.
+
+       * flow.c (flow_reverse_top_sort_order_compute): New function.
+
+       * basic-block.h: Add prototype.
+
+2001-08-28  Daniel Berlin  <dan@cgsoftware.com>
+
+       * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
+       blocks, the BB_REACHABLE is now set, rather than aux being
+       non-NULL. Update the test to reflect this.
+
+2001-08-28  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
+       config/mips/crti.asm: Ditto.
+
+2001-08-28  Eric Christopher <echristo@redhat.com>
+           Richard Henderson <rth@redhat.com>
+
+       * c-pragma.h (add_weak): Move prototype from here...
+       * output.h (add_weak): ... to here.
+       * varasm.c (add_weak): Fix typo.
+       * config/mips/crti.asm: New file.
+       * config/mips/crtn.asm: Ditto.
+       * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
+       (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
+       (INVOKE__main): Ditto.
+       (INIT_SECTION_ASM_OP): New.
+       (FINI_SECTION_ASM_OP): Ditto.
+       (STARTFILE_SPEC): Add crti.
+       (ENDFILE_SPEC): Add crtn.
+       * config/mips/elf64.h: Same.
+       * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
+       Remove.
+       * config/mips/vxworks.h: Ditto.
+       * config/mips/t-elf: Support crti and crtn.
+
+2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
+
+       * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
+       INSN_LIST.
+
+2001-08-28  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
+       (one_cmplbi2 splitter): Remove redundant test.
+
+2001-08-28  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
+
+2001-08-28  Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
+
+2001-08-28  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
+       (UNALIGNED_SHORT_ASM_OP): Define.
+       (UNALIGNED_INT_ASM_OP): Define.
+
+2001-08-28  Will Cohen  <wcohen@redhat.com>
+
+       * config/rs6000/rs6000.md (store_multiple): Correct RTL
+       generation for first set.
+
+2001-08-27  Roman Zippel  <zippel@linux-m68k.org>
+
+       * flow.c (redirect_edge_succ_nodup): Return new edge.
+       (try_simplify_condjump): Use new edge.
+       * basic-block.h (redirect_edge_succ_nodup): Update prototype.
+
+       * cse.c (cse_basic_block): Skip note instructions.
+
+2001-08-27  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (combine_simplify_rtx): Don't reverse condition
+       if there is no reverse for the condition.
+       (simplify_comparison): Don't simplify subregs from INT to FP.
+
+       * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
+       suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
+       sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
+       bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
+       bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
+       bunle_rev, bunlt_rev, bltgt_rev): New patterns.
+
+2001-08-27  Roman Zippel  <zippel@linux-m68k.org>
+
+       * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
+       bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
+       (pushqi1): New.
+       (adddi_dilshr32, adddi_dishl32): Only data register can be
+       source for mem destination.
+
+       * expmed.c (store_bit_field): Ignore adjustment to bitpos
+       and use bitnum to decide about register move.
+
+2001-08-27  Richard Henderson  <rth@redhat.com>
+
+       * genattr.c (main): Emit state_t even when not doing scheduling.
+
+2001-08-27  Roman Zippel <zippel@linux-m68k.org>
+           Richard Henderson  <rth@redhat.com>
+
+       * gcse.c (reg_first_set, reg_last_set): Replace with ...
+       (reg_avail_info, current_bb): ... these.
+       (oprs_unchanged_p, record_last_reg_set_info): Use them.
+       (compute_hash_table): Likewise.
+
+2001-08-27  Roman Zippel <zippel@linux-m68k.org>
+
+       * flow.c (verify_flow_info): Use checksums to verify edges.
+
+2001-08-27  Richard Henderson  <rth@redhat.com>
+
+       * genautomata.c (expand_automata): Always create a description.
+
+2001-08-27  Geoffrey Keating  <geoffk@redhat.com>
+
+       * optabs.c (expand_binop): Correctly handle the carry in multiword
+       add/subtract operations.
+
+2001-08-27  Fred Fish  <fnf@be.com>
+
+       * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
+       __SIZE_TYPE__.
+
+2001-08-27  Geoffrey Keating  <geoffk@redhat.com>
+
+       * reload.c (find_reloads_toplev): Back out this change:
+
+       Wed Jul 26 19:44:05 2000   Hans-Peter Nilsson  <hp@axis.com>
+
+       * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
+       mem if the address is a mode_dependent_address_p.
+
+2001-08-27  Vladimir Makarov  <vmakarov@touchme.toronto.redhat.com>
+
+       * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
+       PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
+       AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
+       RTL constructions.
+
+       * genattr.c (main): New variable num_insn_reservations.  Increase
+       it if there is DEFINE_INSN_RESERVATION.  Output automaton based
+       pipeline hazard recognizer interface.
+
+       * genattrtab.h: New file.
+
+       * genattrtab.c: Include genattrtab.h.
+       (attr_printf, check_attr_test, make_internal_attr,
+       make_numeric_value): Move protypes into genattrtab.h.  Define them
+       as external.
+       (num_dfa_decls): New global variable.
+       (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
+       DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
+       DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
+       DEFINE_INSN_RESERVATION.  Call expand_automata and write_automata.
+
+       * genautomata.c: New file.
+
+       * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
+
+       * sched-int.h: (curr_state): Add the external definition for
+       automaton pipeline interface.
+       (haifa_insn_data): Add comments for members blockage and units.
+
+       * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
+       TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
+       TARGET_SCHED_DFA_PRE_CYCLE_INSN,
+       TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
+       TARGET_SCHED_DFA_POST_CYCLE_INSN,
+       TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
+       TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
+       macros.
+       (TARGET_SCHED): Use the new macros.
+
+       * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
+       dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
+       first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
+       dfa_bubble): New members in gcc_target.sched.
+
+       * haifa-sched.c (insert_schedule_bubbles_p): New variable.
+       (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
+       (insn_queue): Redefine it as pointer to array.
+       (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
+       INSN_QUEUE_SIZE.
+       (max_insn_queue_index_macro_value): New variable.
+       (curr_state, dfa_state_size, ready_try): New varaibles for
+       automaton interface.
+       (ready_element, ready_remove, max_issue): New function prototypes
+       for automaton interface.
+       (choose_ready): New function prototype.
+       (insn_unit, blockage_range): Add comments.
+       (unit_last_insn, unit_tick, unit_n_insns): Define them for case
+       FUNCTION_UNITS_SIZE == 0.
+       (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
+       actual_hazard, potential_hazard): Add comments.
+       (insn_cost): Use cost -1 as undefined value.  Remove
+       LINK_COST_ZERO and LINK_COST_FREE.  Add new code for automaton
+       pipeline interface.
+       (ready_element, ready_remove): New functions for automaton
+       interface.
+       (schedule_insn): Add new code for automaton pipeline interface.
+       (queue_to_ready): Add new code for automaton pipeline interface.
+       Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
+       (debug_ready_list): Print newline when the queue is empty.
+       (max_issue): New function for automaton pipeline interface.
+       (choose_ready): New function.
+       (schedule_block): Add new code for automaton pipeline interface.
+       Print ready list before scheduling each insn.
+       (sched_init): Add new code for automaton pipeline interface.
+       Initiate insn cost by -1.
+       (sched_finish): Free the current automaton state and finalize
+       automaton pipeline interface.
+
+       * sched-rgn.c: Include target.h.
+       (init_ready_list, new_ready, debug_dependencies): Add new code for
+       automaton pipeline interface.
+
+       * sched-vis.c: Include target.h.
+       (get_visual_tbl_length): Add code for automaton interface.
+       (target_units, print_block_visualization):  Add comments.
+
+       * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
+       USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
+       (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
+       (getruntime.o, genautomata.o): New entries.
+       (genattrtab.o): Add new dependency file genattrtab.h.
+       (genattrtab): Add new dependencies.  Link it with `libm.a'.
+       (getruntime.o, hashtab.o): New entries for canadian cross.
+
+       * doc/md.texi: Description of automaton based model.
+
+       * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
+       Add comments.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
+       TARGET_SCHED_DFA_PRE_CYCLE_INSN,
+       TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
+       TARGET_SCHED_DFA_POST_CYCLE_INSN,
+       TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
+       TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
+       TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
+       hook descriptions.
+       (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
+       MAX_DFA_ISSUE_RATE): New macro descriptions.
+
+       * doc/contrib.texi: Add dfa based scheduler contribution.
+
+       * doc/gcc.texi: Add more information about genattrtab.
+
+2001-08-27  Diego Novillo  <dnovillo@redhat.com>
+
+       * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
+       an RTL basic block.
+
+2001-08-27  Richard Henderson  <rth@redhat.com>
+
+       * function.c (expand_function_end): Don't init arg_pointer_save_area.
+       (get_arg_pointer_save_area): New.  Create an init it here.
+       (fix_lexical_addr): Use it.
+       * function.h: Declare it.
+       * builtins.c (expand_builtin_setjmp_receiver): Use it.
+       * stmt.c (expand_nl_goto_receiver): Use it.
+
+2001-08-27  Richard Henderson  <rth@redhat.com>
+
+       * final.c (final_scan_insn): Don't enter APP_ON mode for
+       empty asm strings.
+
+       * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
+       alignment for assemble_integer for DW_EH_PE_aligned.
+       * except.c (output_function_exception_table): Likewise.
+
+2001-08-26  Andreas Jaeger  <aj@suse.de>
+
+       * c-tree.h: Add prototyp for c_sizeof_nowarn.
+
+2001-08-25 Dan Nicolaescu  <dann@ics.uci.edu>
+
+       * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
+
+2001-08-27  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (mask_operand): Rewrite without
+       bit-shifting loop.
+       (mask64_operand): Likewise.
+       (rldic_operand): Delete.
+       (includes_lshift64_p): Delete.
+       (includes_rldic_lshift_p): New function.
+       (includes_rldicr_lshift_p): New function.
+       (print_operand): Don't call rldic_operand in case 'W'.
+       * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
+       (includes_lshift64_p): Remove.
+       (includes_rldic_lshift_p): Declare.
+       (includes_rldicr_lshift_p): Declare.
+       * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
+       * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
+       Replace match_operand rldic_operand predicate with
+       const_int_operand.  Replace includes_lshift64_p condition with
+       includes_rldic_lshift_p.
+       <ashldi3_internal 64 bit rldicr patterns>: New.
+
+2001-08-27  Andreas Jaeger  <aj@suse.de>
+
+       * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
+       * errors.c: Likewise.
+       * final.c: Likewise.
+       * dwarf2asm.c: Likewise.
+       * doprint.c (checkit): Likewise.
+       * diagnostic.c: Likewise.
+       * collect2.c: Likewise.
+       * calls.c: Likewise.
+       * c-semantics.c (build_stmt): Likewise.
+       * c-format.c (status_warning): Likewise.
+       * c-errors.c (pedwarn_c99): Likewise.
+       * builtins.c (validate_arglist): Likewise.
+       * config/pj/pj.c (pj_printf): Likewise.
+       * fix-header.c: Likewise.
+       * gcc.c: Likewise.
+       * gcov.c (fnotice): Likewise.
+       * gensupport.c (message_with_line): Likewise.
+       * mips-tfile.c: Likewise.
+       * protoize.c (notice): Likewise.
+       * read-rtl.c (fatal_with_file_and_line): Likewise.
+       * rtl-error.c: Likewise.
+       * tradcpp.c: Likewise.
+       * tree.c: Likewise.
+       * cp/tree.c (build_min_nt): Likewise.
+       (build_min): Likewise.
+       * cp/lex.c: Likewise.
+       * cp/errfn.c: Likewise.
+       * cp/rtti.c (create_pseudo_type_info): Likewise.
+
+Sun Aug 26 20:25:44 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * df.c (df_uses_record): Return after recording all uses
+       in ASM_OPERANDS.
+
+2001-08-26  Daniel Berlin  <dan@cgsoftware.com>
+
+       * df.c (df_insn_modify): Realloc the INSN table here, if
+       necessary, here, too.
+
+2001-08-26  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/mips/mips.c (mips_function_value): Handle complex return
+       values.
+
+2001-08-25  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * reload1.c (reload): Make all entries in reg_equiv_memory_loc
+       unshared.
+       * reload.c (make_memloc): Copy result if it is still
+       reg_equiv_memory_loc[regno] on return.
+       (subst_reloads) [ENABLE_CHECKING]: Check that none of
+       reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
+       reg_equiv_mem are modified by the substitutions.
+
+Sat Aug 25 23:07:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (expensive_function_p): New.
+       * rtl.h (expensive_function_p): Declare.
+       * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
+       (use_fast_prologue_epilogue): New static variable.
+       (expand_prologue): Set it; emit short prologues if unset.
+       (expand_epilogue): Likewise.
+
+2001-08-22  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config.gcc: Add stormy16-*-elf case.
+       * config/stormy16/stormy-abi: New file.
+       * config/stormy16/stormy16-lib2.c: New file.
+       * config/stormy16/stormy16-protos.h: New file.
+       * config/stormy16/stormy16.c: New file.
+       * config/stormy16/stormy16.h: New file.
+       * config/stormy16/stormy16.md: New file.
+       * config/stormy16/t-stormy16: New file.
+
+Sat Aug 25 15:46:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (no-accumulate-outgoing-args): Use proper mask.
+
+2001-08-24  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
+       descriptor members are pointer size, not constant 4.
+       * config/rs6000/rs6000.md (define_splits): Remove more unused
+       constraints.
+
+2001-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+
+2001-08-24  Andreas Jaeger  <aj@suse.de>, rkl@connect.org.uk
+
+       * cp/rtti.c (VPARAMS): Fix parameter.
+
+2001-08-24  Zack Weinberg  <zackw@panix.com>
+
+       * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
+       to zero.
+       (mode_for_extraction): No need for #ifdefs.  Add default-case abort
+       to switch.
+       (store_bit_field): Eliminate insv_bitsize variable.  Put HAVE_insv
+       in if controlling use of insv.
+       (extract_bit_field): Likewise, for extv and extzv.
+
+Fri Aug 24 17:27:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movcc peep2): Fix load of 0.
+
+2001-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
+       *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
+
+2001-08-23  Jason Merrill  <jason_merrill@redhat.com>
+
+       * c-pragma.h: Move weak_syms and weak_decls...
+       * varasm.c: ...here.  Now static.
+       (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
+       depend on HANDLE_PRAGMA_WEAK.
+
+       * c-common.c (c_alignof, c_alignof_expr): Move here...
+       * c-typeck.c: ...from here.
+       * c-tree.h, c-common.h: Adjust.
+
+2001-08-23  Bernd Schmidt  <bernds@redhat.com>
+
+       * config/ia64/ia64.c (rws_update): If !pred, set write_count
+       instead of incrementing it.
+
+       * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
+       asm ready, don't try to move them all into the same array element.
+
+Thu Aug 23 17:21:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * function.c (thread_prologue_and_epilogue_insns): Avoid
+       fallthru flag on edge to exit.
+
+       * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
+
+       * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
+       dead edges.
+
+2001-08-23  Lars Brinkhoff  <lars@nocrew.org>
+
+       * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
+       * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
+       * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
+       Remove prototype.
+
+2001-08-23  Lars Brinkhoff  <lars@nocrew.org>
+
+       * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
+       replace "GNU CC" with "GCC".
+
+2001-08-23  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
+       Reorganize.  Handle ADDL like GR, add GR_AND_BR.  Handle TFmode.
+       (ia64_secondary_reload_class): Need GR between AR/BR and anything.
+       Need GR between FR and not GR_AND_FR.
+       * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
+       * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
+       AR regs before GR regs.
+       (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
+       (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
+       (REGISTER_MOVE_COST): Update.
+       (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
+
+2001-08-23  Richard Henderson  <rth@redhat.com>
+
+       * regclass.c (init_reg_sets_1): Don't assume cost 2 within
+       a register class.
+
+2001-08-22  Geoffrey Keating  <geoffk@redhat.com>
+
+       * reload1.c (emit_reload_insns): Don't look for notes
+       on a NULL store_insn.
+
+2001-08-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sparc.c (uns_small_int): Don't reference a constant >32-bit.
+       (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
+       (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
+       format specifier warnings.
+       (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
+
+2001-08-22  David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * config/i386/i386-protos.h: Correct declaration of
+       i386_pe_asm_named_section.
+
+2001-08-22  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
+       variable i.
+       * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+2001-08-22  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpperror.c (print_location): Don't show _Pragma.
+       * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
+       and file change callback generation here.
+       (stack_include_file): Update use of cpp_push_buffer.
+       * cpphash.h (_cpp_pop_file_buffer): Update prototype.
+       (struct cpp_buffer): Remove type, pfile members.
+       * cppinit.c (cpp_handle_option): Use free_chain.
+       * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
+       (skip_escaped_newlines, get_effective_char, lex_percent): Take
+       a cpp_reader rather than a cpp_buffer.
+       (skip_escaped_newlines, get_effective_char, skip_block_comment,
+       skip_line_comment, parse_string, lex_percent, lex_dot,
+       _cpp_lex_token): Update accordingly.
+       * cpplib.c (_cpp_pop_buffer): Don't do file change callback
+       generation here.
+       (cpp_push_buffer): Update prototype.
+       (run_directive): Update use of cpp_push_buffer.
+       (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
+       handle_assertion): Update use of run_directive.
+       * cpplib.h (enum cpp_buffer_type): Remove.
+       (cpp_push_buffer): Update prototype.
+       * fix-header.c (read_scan_file): Update.
+
+2001-08-22  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * gcc.c (struct prefix_list): Change prefix to const char *.
+
+2001-08-22  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
+
+2001-08-22  Jason Merrill  <jason_merrill@redhat.com>
+
+       * explow.c (set_mem_attributes): Avoid returning a bogus alias set
+       from a new MEM.
+
+       * jump.c (squeeze_notes): Take parms by reference.  Handle END being
+       a squeezable note.
+       * rtl.h: Adjust.
+       * ifcvt.c (dead_or_predicable): Adjust.
+       * loop.c (find_and_verify_loops): Adjust.
+       * stmt.c (expand_end_case): Adjust.
+       * flow.c (merge_blocks_move_successor_nojumps): Adjust.  Modify the
+       head and end insn pointers in the basic block, not just local copies.
+       (merge_blocks_move_predecessor_nojumps): Likewise.
+
+2001-08-22  Lars Brinkhoff  <lars@nocrew.org>
+
+       * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
+       bitmap.h, builtin-types.def, builtins.c, builtins.def,
+       c-aux-info.c, c-common.c, c-common.def, c-common.h,
+       c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
+       c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
+       c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
+       caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
+       conditions.h, config.gcc, configure.frag, configure.in,
+       conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
+       cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
+       dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
+       doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
+       dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
+       emit-rtl.c, errors.c, errors.h, except.c, except.h,
+       exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
+       fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
+       function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
+       gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
+       gencheck.c, gencodes.c, genconfig.c, genemit.c,
+       genextract.c, genflags.c, gengenrtl.c, genmultilib,
+       genopinit.c, genoutput.c, genpeep.c, genrecog.c,
+       gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
+       ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
+       graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
+       gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
+       gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
+       hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
+       integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
+       libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
+       machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
+       mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
+       mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
+       params.h, predict.c, predict.def, predict.h, prefix.c,
+       prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
+       read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
+       regclass.c, regmove.c, regrename.c, regs.h, reload.c,
+       reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
+       rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
+       sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
+       sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
+       ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
+       stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
+       tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
+       tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
+       unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
+       unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
+       xcoffout.h: replace "GNU CC" with "GCC".
+
+2001-08-21  Richard Henderson  <rth@redhat.com>
+
+       * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
+       (final_scan_insn): Consider jump tables data even if we have no
+       independent text section if !JUMP_TABLES_IN_TEXT_SECTION.  Use
+       ADDR_VEC_ALIGN.
+       * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
+       (ASM_OUTPUT_CASE_END): Remove.
+       (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
+       * config/ia64/ia64.md (tablejump): Decode pc-relative references.
+       * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
+
+2001-08-21  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
+       at barrier insns.  Emit stop bits before barriers.
+
+       * flow.c (flow_find_cross_jump): Don't consider unconditional
+       return insns for commoning.
+
+       * final.c (compute_alignments): Fix typo.
+
+       * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
+       (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
+       (store_bit_field): Use mode_for_extraction more places.
+       (extract_bit_field): Likewise.
+
+2001-08-21  Zack Weinberg  <zackw@panix.com>
+
+       * caller-save.c: Don't include insn-codes.h.
+       (reg_save_code, reg_restore_code): Make arrays of int.
+       All uses updated to match.
+       (insert_save, insert_restore): No need to initialize "code"
+       variable upon declaration.
+       * Makefile.in: update dependencies; fix typo in clean rule.
+
+2001-08-21  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (find_if_block): Allow join_bb as EXIT.
+       (merge_if_block): Handle fallout from same.
+
+2001-08-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.c (type_to_class): Fix typo in last change.
+
+2001-08-21  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
+       ia64_asm_output_label.
+
+       * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
+       copy of gp while the real gp register contains garbage.
+
+2001-08-21  Zack Weinberg  <zackw@panix.com>
+
+       * expmed.c (mode_for_extraction): New function.
+       (store_bit_field, extract_bit_field): Use it.
+       * expr.h: Prototype it and provide an enum for its first argument.
+
+       * combine.c, function.c, recog.c: Don't include insn-codes.h.
+       Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
+       and digging through the insn_data tables.
+       * Makefile.in: Update dependencies.
+
+2001-08-22  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (stack_include_file): line-map.c now handles include
+       depth.
+       (handle_missing_handler): Similarly.
+       (_cpp_execute_include): Similarly.
+       (_cpp_pop_file_buffer): Similarly.
+       * cpphash.h (struct cpp_reader): Remove system_include_depth,
+       buffer_stack_depth and include_depth.
+       * cpplib.c (do_include_common): line-map.c now handles include depth.
+       (cpp_push_buffer): Similarly.
+       (_cpp_pop_buffer): Similarly.
+       * cppmacro.c (builtin_macro): Update.
+       * line-map.c (init_line_maps): Set depth.
+       (add_line_map): Increment "used" earlier.  Update and use the
+       include depth.
+       (trace_include): Use the include depth.
+       * line-map.h (struct line_maps): New member depth.
+
+2001-08-21  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (stack_include_file): Don't handle -H here.
+       * cppinit.c (cpp_start_read): Set include tracing after
+       cpp_post_options and after stacking the main file.
+       * line-map.c (trace_include): New.
+       (init_line_maps, add_line_map): Update.
+       * line-map.h (struct line_maps): New member trace_includes.
+
+2001-08-21  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (stack_include_file): Harmonize system headerness tests.
+       * cppfiles.c (stack_include_file): Only stack a file if there
+       is something to do.  Return a boolean indicating whether a
+       buffer was stacked or not.
+       (_cpp_execute_include): Similarly.
+       (_cpp_read_file): Similarly.
+       * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
+
+2001-08-21  Sam Steingold  <sds@gnu.org>
+
+       * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
+       (RECACHE): keep obufp_before_macroname up to date
+
+2001-08-21  Zack Weinberg  <zackw@panix.com>
+
+       * stmt.c: Don't include insn-codes.h.
+       (expand_end_case): Machine specific logic moved to expr.c.
+       No need to worry about __builtin_classify_type.
+       (check_for_full_enumeration_handling, emit_case_nodes):
+       Kill #if 0 blocks.
+
+       * builtins.o (expand_builtin_classify_type): Split up so code
+       can be shared with fold_builtin_classify_type.
+       (type_to_class, fold_builtin_classify_type): New functions.
+       (fold_builtins): Handle __builtin_classify_type.
+
+       * expr.c (do_tablejump): Now static.
+       (case_values_threshold, try_casesi, try_tablejump): New;
+       code mostly from stmt.c (expand_end_case).
+       (expr.h): Update prototypes.
+
+       * Makefile.in (stmt.o): Update dependencies.
+
+2001-08-21  Will Cohen  <wcohen@redhat.com>
+
+       * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
+       declaration of variable i.
+       * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
+       declaration of variable i.
+
+2001-08-21  Richard Henderson  <rth@redhat.com>
+
+       * crtstuff.c: Fix thinko last change.  Move list tails to start
+       of CRT_END section.  Tidy ifdefs.
+       (__EH_FRAME_BEGIN__): Always static for ELF.
+       (__do_global_ctors_1): Rename from __frame_dummy.
+       * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
+       name change; don't hide __EH_FRAME_BEGIN__.
+
+2001-08-21  Richard Henderson  <rth@redhat.com>
+
+       * gdbinit.in: Move break on exit after break on fancy_abort.
+
+       * config/ia64/ia64.c (ia64_return_in_memory): True for variable
+       sized types.
+
+2001-08-21  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (_cpp_push_next_buffer): New.
+       * cppinit.c (do_includes): Remove.
+       (push_include, free_chain, _cpp_push_next_buffer): New.
+       (cpp_start_read): Use them to rework command line option handling.
+       (cpp_handle_option): Combine handling of -include and -imacros.
+       * cpplex.c (_cpp_lex_token): Push a new -include buffer if
+       appropriate.  Always insert missing \n at EOF.
+       * cpplib.c (start_directive): Get the directive position right.
+       * cppmain.c (cb_file_change): Always print the first line, unless
+       preprocessed.
+
+2001-08-20  Andreas Jaeger  <aj@suse.de>
+
+       * profile.c (compute_branch_probabilities): Remove extra new-line
+       in error message.
+       * flow.c (verify_flow_info): Likewise.
+
+2001-08-20  Diego Novillo  <dnovillo@redhat.com>
+
+       * basic-block.h (basic_block): Add new field 'flags'.
+       (BB_REACHABLE): Define.
+       (expunge_block): Declare.
+       * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
+       (EXIT_BLOCK_PTR): Ditto.
+       (expunge_block): Remove static declaration.
+       (cleanup_cfg): Clear bb->aux on every basic block.
+       (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
+       computing reachability.
+       (delete_unreachable_blocks): Delete block b if b->flags has
+       BB_REACHABLE unset.
+
+2001-08-20  Diego Novillo  <dnovillo@redhat.com>
+
+       * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
+
+2001-08-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sparc.c (sparc_variable_issue): Fix typo in last change.
+
+2001-08-20  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
+
+2001-08-20  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.h (RETURN_IN_MEMORY): Improve comment.
+
+2001-08-20  Janis Johnson  <janis187@us.ibm.com>
+
+       * doc/invoke.texi (Profiling options): Clarify the interactions
+       between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
+
+2001-08-20  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
+       command.
+
+2001-08-20  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * gcc.c (make_relative_prefix): Allocate a sufficiently large
+       buffer.
+
+2001-08-20  Richard Henderson  <rth@redhat.com>
+
+       * final.c (end_final): Fix typo last change.
+
+2001-08-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (init_standard_includes): The returned buffer
+       is already malloc-ed.
+       * gcc.c (add_prefix): Similarly.
+       * prefix.c (translate_name): Update to support clear buffer
+       ownership rules.
+       (update_path): Similarly.  Be sure to free any newly allocated
+       key.  UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
+       (tr): New function.
+       * prefix.h (update_path): Update prototype and document.
+       * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
+       up and update to new buffer ownership rules.
+       * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
+
+Mon Aug 20 01:44:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * final.c (compute_alignments): New function.
+       (init_insn_lengths): Do not care label_align.
+       (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
+       (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
+       (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
+       (shorted_branches): Realloc label_align array; do
+       not call init_insn_lengths; Do not care about loop alignments.
+       * output.h (compute_alignments): Declare.
+       * toplev.c (rest_of_compilation): Call compute_alignments.
+       * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
+
+       * predict.c (block_info_def): Add npredecesors, remove nvisited;
+       change visited to tovisit.
+       (propagate_freq): Use faster traversing algorithm.
+       (estimate_loops_at_level, estimate_bb_frequencies): Change visited
+       to tovisit; reverse meaning.
+
+       * predict.c (struct block_info_def): Remove nvisited.
+       (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
+       (estimate_bb_frequencies): Call mark_dfs_back_edges.
+
+2001-08-19  Geoffrey Keating  <geoffk@redhat.com>
+
+       * doc/invoke.texi (MIPS Options): Document -mfused-madd.
+       * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
+       (TARGET_FUSED_MADD): New.
+       (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
+       * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
+       the multiply-add instructions.
+
+2001-08-19  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
+       is aligned to pointer size.
+
+2001-08-19  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
+       display markers during final schedule.
+
+2001-08-19  Richard Henderson  <rth@redhat.com>
+
+       * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
+
+2001-08-19  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
+       in the same string.
+       (ASM_NAME_TO_STRING): Remove.
+       * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
+       in the same string.  Remove support for expressions.
+
+2001-08-19  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.md (tablejump): Make an expander; handle
+       pic relative addressing here.
+       (tablejump_1): Rename from tablejump_pic.
+       (casesi): Remove.
+
+2001-08-19  Richard Henderson  <rth@redhat.com>
+
+       * regclass.c (fix_register): Fix typo.
+
+2001-08-18  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
+       (struct _Unwind_Context): Expand br_loc to hold it.
+       (uw_frame_state_for): Handle leaf functions better.
+       (uw_update_reg_address): Update for br_loc change.
+
+2001-08-18  Richard Henderson  <rth@redhat.com>
+
+       * crtstuff.c: Move list heads before code that uses them.
+       (__JCR_LIST__): Remove initial null.
+       (frame_dummy, __frame_dummy): Do java registration here ...
+       (__do_global_ctors_aux): ... not here.
+
+       * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
+       (__do_global_dtors_aux): Update to match.
+       (__JCR_LIST__, __do_jv_register_classes): New.
+       (.init): Call it.
+       * config/ia64/crtend.asm (__JCR_END__): New.
+       (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
+       instead of an indirect LTOFF22 reloc.
+
+2001-08-18  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
+       * regclass.c (init_reg_sets_1): Fix typo.
+       * config/ia64/ia64.c (ar_pfs_reg_operand): New.
+       (ia64_expand_call): Pass ar.pfs to sibcall expanders.
+       (ia64_compute_frame_size): Make ar.unat live when in use.
+       (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
+       for ar.pfs; remove ar.unat handling.
+       * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
+       call-saved.
+       (PREDICATE_CODES): Add ar_pfs_reg_operand.
+       * config/ia64/ia64-protos.h: Update decls.
+       * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
+       (sibcall_pic): Likewise.
+
+2001-08-18  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
+       pred_rel_mutex when searching for insn_group_barrier.
+       * config/ia64/ia64.md (cycle_display): Combine the expander
+       and insn patterns.
+
+       * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
+       bit before asm as needed.
+
+2001-08-18  Richard Henderson  <rth@redhat.com>
+
+       * timevar.def (TV_MACH_DEP): New.
+       * toplev.c (rest_of_compilation): Use it.
+       * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
+
+2001-08-18  Zack Weinberg  <zackw@panix.com>
+
+       * unwind-dw2.c (execute_stack_op): Add default aborts to
+       the inner switches to prevent warnings.
+
+2001-08-18  Richard Henderson  <rth@redhat.com>
+
+       * timevar.h (struct timevar_time_def): Change element type to float.
+       (ticks_to_msec, clocks_to_msec): Likewise.
+       (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
+       (get_time): Likewise.
+       (timevar_print): Adjust zero check and printing to match.
+
+2001-08-18  Zack Weinberg  <zackw@panix.com>
+
+       * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
+       doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
+       Eliminate overfull or underfull hboxes.
+
+2001-08-18  Zack Weinberg  <zackw@panix.com>
+
+       * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
+
+2001-08-18  Zack Weinberg  <zackw@panix.com>
+
+       * haifa-sched.c: Convert to target hooks.  Macros replaced
+       are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
+       MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
+       MD_SCHED_FINISH, and HAVE_cycle_display.
+       * target-def.h (TARGET_SCHED_ADJUST_COST,
+       TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
+       TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
+       TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
+       TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
+       New hook #defines to be overridden.
+       (TARGET_SCHED): Bring them all together.
+       (TARGET_INITIALIZER): Update.
+       * target.h: Don't forward declare struct rtx_def.  Use 'rtx'
+       instead of 'struct rtx_def *' throughout.
+       (struct sched): New set of hooks for the scheduler.
+       * Makefile.in (haifa-sched.o): Depend on target.h.
+       * doc/tm.texi: Document the new scheduler hooks, together in
+       their own section, instead of scattered around.
+       Fix a bunch of underfull/overfull hboxes.
+
+       * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
+       ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
+       sparc.h: Don't define any of the old scheduler macros.
+
+       * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
+       ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
+       sparc.c: Create hook functions from code extracted from
+       corresponding target header, or make existing hooks static, as
+       appropriate.  Set the appropriate entries in targetm.
+
+       * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
+       i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
+       rs6000-protos.h, s390-protos.h, sparc-protos.h:
+       Remove prototypes for functions which are now static.
+
+       * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
+       related gunk; the Haifa scheduler is now the only choice.
+
+2001-08-18  Zack Weinberg  <zackw@panix.com>
+
+       * optabs.h (OTI_flodiv, flodiv_optab): Kill.
+       * genopinit.c: Put floating point divide insns in sdiv_optab.
+       * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
+       * config/gofast.h, config/c4x/c4x.h,
+       config/ia64/hpux_longdouble.h, config/mips/mips.h,
+       config/pa/long_double.h, config/rs6000/sysv4.h,
+       config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
+       * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
+       (init_optabs): Use init_optabv for overflow-trapping optabs.
+       Don't init flodiv_optab.  Give mov_optab, movstrict_optab, and
+       cmp_optab RTX codes so have_insn_for can find them.
+
+       * optabs.c (expand_simple_binop, expand_simple_unop,
+       have_insn_for, gen_sub3_insn): New interfaces.
+       * expr.h: Prototype new functions.
+       (enum optab_methods): Move here from optabs.h.
+
+       * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
+       loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
+       Use new functions instead of working directly with optabs.
+       * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
+       unroll.c: Don't include optabs.h.
+       * caller-save.c, combine.c, function.c, stmt.c: Just include
+       insn-codes.h, not optabs.h.
+       * Makefile.in: Update dependencies.
+
+       * combine.c (make_compound_operation, simplify_comparison):
+       Fix typos testing for this or that instruction.
+
+2001-08-18  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
+
+       * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
+       generating libgcc.a.
+
+2001-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * except.c (TYPE_HASH): Delete.
+
+       * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
+       HOST_WIDE_INT.
+
+       * tree.c (TYPE_HASH): Delete.
+
+       * tree.h (TYPE_HASH): Define.
+
+2001-08-18  Graham Stott  <grahams@redhat.com>
+
+       * config/mips/mips.md (adddi3_internal_2+1): Remove constraints from
+       define_split.
+       (adddi3_internal_2+2): Likewise.
+       (eh_set_lr_di+1): Likewise.
+
+2001-08-17  Richard Henderson  <rth@redhat.com>
+
+       * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+       UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
+       * dwarf2asm.c: ... here.
+       * dwarfout.c: Remove them.
+
+       * varasm.c (assemble_integer): Add align parameter.
+       (assemble_real, output_constant, output_constructor): Likewise.
+       * output.h: Update decls.
+       * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
+       config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
+       config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
+       config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
+       config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
+       Update all callers.
+
+       * final.c (end_final): Abort profile block generation if we
+       haven't layed it out properly.
+       * output.h (assemble_eh_integer): Remove stale decl.
+       * varasm.c (assemble_zeros): Tidy; use assemble_integer.
+       (min_align): New.
+       (assemble_integer): Handle unaligned data.
+       (assemble_real): Abort on unaligned data.
+       (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
+       anything useful.
+       (default_dtor_section_asm_out_destructor): Use assemble_align.
+       (default_named_section_asm_out_constructor): Likewise.
+       (default_ctor_section_asm_out_constructor): Likewise.
+       * config/darwin.c (machopic_asm_out_constructor): Likewise.
+       (machopic_asm_out_destructor): Likewise.
+       * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
+       (nextstep_asm_out_destructor): Likewise.
+       * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
+       (vms_asm_out_destructor): Likewise.
+
+2001-08-17  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/iris6.h (TARGET_IRIX6): New.
+       (current_section_name, current_section_flags): New.
+       (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
+       (MAX_OFILE_ALIGNMENT): New.
+       (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
+       * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
+       (copy_file_data): Split out from
+       (mips_asm_file_end): ... here.
+       (mips_asm_file_start): Remove extra .section directive.  Use
+       tmpfile instead of mips_make_temp_file.
+       (mips_unique_section): Use const char * as needed for warnings.
+       (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
+       re-add align parameter.
+       (iris6_asm_named_section): New.
+       (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
+       (iris6_asm_output_align, iris6_section_align_1): New.
+       (iris6_asm_file_start, iris6_asm_file_end): New.
+       * config/mips/mips-protos.h: Update decls.
+
+2001-08-17  Janis Johnson  <janis187@us.ibm.com>
+
+       * doc/install.texi (Install GCC): Add links to build status pages.
+       (Specific): Ditto.
+       (Final install): Ditto; request updates for specific info
+
+2001-08-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpperror.c (print_location):  Don't take a file name; use the
+       line map instead.
+       (_cpp_begin_message): Similarly.
+       (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
+       cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
+       (cpp_pedwarn_with_file_and_line): Remove.
+       * cppfiles.c (stack_include_file): Update; set filename to stdin
+       here when appropriate.
+       * cpphash.h (struct cpp_buffer): Remove nominal_fname.
+       (_cpp_begin_message): Don't take a file name.
+       * cppinit.c: Add comment.
+       * cpplex.c: Fix end-of-directive indicator.
+       * cpplib.c: Don't include intl.h.
+       (run_directive, do_diagnostic): Update.
+       (do_line): Update to not use nominal_fname.
+       (cpp_push_buffer): Don't take a filename.
+       * cpplib.h (struct ht): Remove.
+       (cpp_push_buffer): Don't take a filename.
+       (cpp_pedwarn_with_file_and_line): Remove.
+       * cppmacro.c (struct cpp_macro): Remove file.
+       (builtin_macro): Update.
+       (_cpp_create_definition): Update.
+       * cppmain.c: Correct comment.
+       * fix-header.c (read_scan_file): Update.
+
+2001-08-17  Kazu Hirata  <kazu@hxi.com>
+
+       * sbitmap.c: Fix comment formatting.
+       * sched-deps.c: Likewise.
+       * sibcall.c: Likewise.
+       * simplify-rtx.c: Likewise.
+       * ssa.c: Likewise.
+       * ssa-ccp.c: Likewise.
+       * stor-layout.c: Likewise.
+       * timevar.c: Likewise.
+       * toplev.c: Likewise.
+       * unwind-dw2.c: Likewise.
+       * unwind-dw2-fde.c: Likewise.
+       * varasm.c: Likewise.
+
+2001-08-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
+       or larger than an integer in memory.
+
+2001-08-17  Zack Weinberg  <zackw@panix.com>
+
+       * system.h: Forward-declare struct rtx_def, struct rtvec_def,
+       and union tree_node.  Typedef rtx, rtvec, and tree.  Fix comment.
+       * rtl.h: Don't forward-declare union tree_node here.  Don't
+       typedef rtx or rtvec here.  Change all uses of struct rtx_def *,
+       struct rtvec_def *, or union tree_node * to use rtx, rtvec,
+       and tree respectively.
+       * tree.h: Don't forward-declare struct rtx_def here.  Don't
+       typedef tree here.  Change all uses of struct rtx_def *,
+       struct rtvec_def *, or union tree_node * to use rtx, rtvec,
+       and tree respectively.
+
+2001-08-17  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
+       config/mips/openbsd.h: Fix typos last change.
+
+2001-08-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/invoke.texi (Optimize Options): The default for
+       -finline-limit is 600.
+
+2001-08-17  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (text_section): Allow TEXT_SECTION to override the
+       printing of TEXT_SECTION_ASM_OP.
+       * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
+       (DATA_SECTION, BSS_SECTION): Remove.
+       * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
+       RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
+       Rename from s/_NAME//.
+       * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
+       (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
+       (TEXT_SECTION): ... here.  New.
+       * config/mips/elf.h (TEXT_SECTION): New; no file switching.
+       * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
+       * config/mips/openbsd.h: Likewise.
+       * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
+       (mips_asm_file_end): Likewise test.
+       (mips_output_function_epilogue): Likewise.  Switch back to data
+       section after emitting the function.
+
+       * doc/tm.texi (Sections): Document TEXT_SECTION.
+
+2001-08-17  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
+       (dwarf2out_finish): Do it here.  Emit .debug_loc before .debug_info.
+
+2001-08-17  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
+       * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
+       __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
+       Add aligned attribute.
+
+2001-08-17  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * config/sh/sh.md: Add modes to unspecs in first insn to match
+       those in the second.
+
+       * Makefile.in: Fix collect2 copy for Cygwin.
+
+Fri Aug 17 15:48:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       Install the proper patch.
+       * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
+       (assign_params): Avoid setting DECL_RTL to unfinished RTX.
+       (expand_function_start): Likewise.
+       * stmt.c (expand_decl): Likewise.
+       * varasm.c (make_decl_rtx): Likewise.
+
+Fri Aug 17 15:41:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * final.c: Undo my previous accidental checkin.
+       * output.h: Likewise.
+       * tm.texi: Likewise.
+
+2001-08-16  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (named_section_flags): Remove align parameter.
+       * varasm.c, dwarf2out.c: Update all callers.
+       * output.h: Update prototypes.
+
+       * target.h (target.asm_out.named_section): Remove align parameter.
+       * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
+       config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
+       config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
+       config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
+       config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
+
+       * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
+       (get_named_section_flags, set_named_section_flags): New.
+       (named_section_flags): Use them.
+       (named_section): Do decl vs section flags check here...
+       (default_section_type_flags): ... not here.
+       (init_varasm_once): Create in_named_htab.
+       (resolve_unique_section): Mark reloc unused.
+
+2001-08-16  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (force_const_mem): Keep pool alignment in bits.
+       (output_constant_pool): Use assemble_align.
+
+2001-08-16  Zack Weinberg  <zackw@panix.com>
+
+       * doc/tm.texi: Remove extra @table command.
+
+2001-08-16  Zack Weinberg  <zackw@panix.com>
+
+       * final.c (shorten_branches): Clear the end of the label_align
+       array only if we made it larger.  Break up messy expressions
+       for clarity.
+
+       * diagnostic.c (internal_error): Check for error recursion
+       before doing ICE suppression.
+
+       * timevar.c: Timing variables now count in milliseconds.
+       (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
+       (get_time): Not here.
+       (timevar_print): Don't print any timer whose user, cpu, and
+       wall times are all zero as displayed.
+       * timevar.h: Update comment aboout units.  Make timevar
+       counters unsigned.
+
+Thu Aug 16 17:39:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
+       (assign_params): Avoid setting DECL_RTL to unfinished RTX.
+       (expand_function_start): Likewise.
+       * stmt.c (expand_decl): Likewise.
+       * varasm.c (make_decl_rtx): Likewise.
+
+2001-08-16  Jason Merrill  <jason_merrill@redhat.com>
+
+       * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
+       (finalize_record_size): Don't set TYPE_USER_ALIGN.
+
+2001-08-16  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
+       variables.
+
+2001-08-16  Andreas Jaeger  <aj@suse.de>
+
+       * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
+       prototype.
+
+Wed Aug 15 15:22:52 EDT 2001  John Wehle  (john@feith.com)
+
+       * rtl.h (only_sets_cc0_p): New prototype.
+       * jump.c (sets_cc0_p): Handle INSN.
+       (only_sets_cc0_p): New function.
+       * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
+       (tidy_fallthru_edge): Likewise.
+       * integrate.c (copy_insn_list): Likewise.
+       * unroll.c (unroll_loop): Likewise.
+       (copy_loop_body): Likewise.
+
+2001-08-15  Jason Eckhardt  <jle@redhat.com>
+
+       * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
+
+Wed Aug 15 14:24:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (struct block_info_def): Remove nvisited.
+       (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
+       (estimate_bb_frequencies): Call mark_dfs_back_edges.
+
+       * i386.c (ix86_agi_dependant): Lea causes AGI only on the Pentium
+       (ix86_adjust_cost): Teach scheduler that latency to load operand can
+       be masked.
+
+Wed Aug 15 12:41:32 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def: Update hitrates.
+
+2001-08-15  Richard Henderson  <rth@redhat.com>
+
+       * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
+
+Tue Aug 14 17:30:59 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
+       note from its associated jump.
+
+2001-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
+       also on 64-bit s390x targets.
+
+2001-08-14  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.c (arm_compute_initial_elimination_offset): New
+       function.
+       (arm_expand_prologue): Handled nested functions which take a
+       variable argument list.
+       * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
+       macro with an invocation of
+       arm_compute_initial_elimination_offset.
+       * config/arm/arm-protos.h: Prototype
+       arm_compute_initial_elimination_offset.
+
+2001-08-14  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Specific, avr): Fix markup.
+       (Specific, c4x): Ditto.
+
+2001-08-14  Matt Kraai  <kraai@alumni.carnegiemellon.edu>
+
+       * predict.c (dump_prediction): Change `bool' parameter to `int'.
+
+2001-08-14  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * Makefile.in (OBJS): Add rtl-error.o
+       (rtl-error.o): New rule.
+       (diagnostic.o): Adjust dependency.
+       diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
+       error_for_asm, _fatal_insn, _fatal_insn_not_found,
+       warning_for_asm): Move to...
+       rtl-error.c: ...here.  New file.
+
+2001-08-14  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
+       if USING_SJLJ_EXCEPTIONS.
+
+2001-08-14  Steve Ellcey <sje@cup.hp.com>
+
+       * tlink.c (scan_linker_output): Check string for unsatisfied in
+       addition to undefined and unresolved.
+
+2001-08-14  Graham Stott  <grahams@redhat.com>
+
+       * libgcc2.c (*): Replace EH_FRAME_SECTION with
+       EH_FRAME_SECTION_NAME.
+
+Tue Aug 14 14:57:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * genattrtab.c (simplify_test_exp_in_temp): New function.
+       (simplify_test_exp): Avoid explicit use of temporary obstack.
+       (simplify_cond, insert_right_side, evaluate_eq_attr,
+       simplify_and_tree, simplify_or_tree, eliminate_known_true):
+       Use simplify_test_exp_in_temp.
+       (optimize_attrs): Iterate until expression stabilizes.
+
+2001-08-13  Ulrich Weigand  <uweigand@de.ibm.com>:
+
+       * glimits.h: Remove the __LONG_MAX__ special case for s390x.
+       * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
+
+2001-08-13  Richard Henderson  <rth@redhat.com>
+
+       * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
+       (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
+       * config/arm/conix-elf.h: Likewise.
+
+2001-08-13  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
+       in gcc.c.
+       * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
+
+       * gcse.c (hash_scan_set): Expressions that are set as part of
+       jump instructions are not available.
+
+2001-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (print_operand, s390_function_prologue,
+       s390_va_start): Fixed HOST_WIDE_INT type mismatch.
+
+2001-08-13  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
+       * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
+       * doc/tm.texi (Exception Region Output): Document it.
+
+2001-08-13  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
+       DWARF2 instead of stabs by default.
+
+2001-08-13  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c: Include optabs.h.
+
+2001-08-13  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/eabi.asm: Define 64-bit versions of FPR
+       save/restore routines.
+       * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
+
+2001-08-13  Andreas Jaeger  <aj@suse.de>
+
+       * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
+       the english is correct.
+
+2001-08-13  Zack Weinberg  <zackw@panix.com>
+
+       * expr.h: Split out optab- and libfunc-related code to...
+       * optabs.h, libfuncs.h: ... these new headers.
+
+       * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
+       (OPTABS_H): New.
+       (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
+       dependencies.
+       * mkconfig.sh: Don't include insn-codes.h from config.h.
+
+       * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
+       enum insn_code is available.  Move reload_in_optab and
+       reload_out_optab array declarations to optabs.h.
+       * regmove.c (gen_add3_insn): Move to optabs.c, export from
+       there, prototype in expr.h.
+       * gencodes.c: Cleanup: zap global variables, don't use
+       printf where puts will do, don't bother defining MAX_INSN_CODE
+       which nothing uses, let CODE_FOR_nothing get its value implicitly.
+
+       * genemit.c, genopinit.c: Include optabs.h in generated file.
+       * genoutput.c: Include insn-codes.h in generated file.
+       * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
+       expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
+       reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
+       config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
+       config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
+       config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
+       Include optabs.h.
+       * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
+       optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
+       config/m88k/m88k.c, config/sparc/sparc.c:
+       Include libfuncs.h.
+       * reload.c: Include expr.h and optabs.h before reload.h.
+       * config/alpha/alpha.c: Include tree.h before reload.h.
+       * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
+       and reload.h in that order.
+       * config/sparc/sparc.c: Include debug.h.
+       * recog.c: Include insn-codes.h.
+
+2001-08-13  Andreas Jaeger  <aj@suse.de>
+
+       * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
+       s390*linux.
+
+2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+       * dwarf2out.c (output_cfa_loc): Fix typo in comment.
+       * gcc.c (init_spec): Fix typo in comment.
+       * varasm.c (data_section): Fix typo in comment.
+
+Mon Aug 13 02:27:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (dump_prediction): New argument "USED".
+       (combine_predictions_for_insn): Determine the used heuristics,
+       output the case no heuristic applied.
+       * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
+
+2001-08-13  Andreas Jaeger  <aj@suse.de>
+
+       * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
+       register %rip.
+
+2001-08-13  Kazu Hirata  <kazu@hxi.com>
+
+       * jump.c: Fix formatting.
+
+2001-08-13  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
+       length.
+
+2001-08-12  Geoffrey Keating  <geoffk@redhat.com>
+
+       * loop.c (check_dbra_loop): Use condjump_label to compute
+       jump_label.
+
+       * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
+       to better document the files they're in.
+
+2001-08-12  Zack Weinberg  <zackw@panix.com>
+
+       * recog.h (struct insn_operand_data): Shrink 'mode' field
+       to 16 bits.
+
+2001-08-12  Kazu Hirata  <kazu@hxi.com>
+
+       * gcc.c: Fix comment formatting.
+       * gccspec.c: Likewise.
+       * gcov.c: Likewise.
+       * gcse.c: Likewise.
+       * genemit.c: Likewise.
+       * gengenrtl.c: Likewise.
+       * genrecog.c: Likewise.
+       * gensupport.c: Likewise.
+       * ggc-page.c: Likewise.
+       * global.c: Likewise.
+       * graph.c: Likewise.
+       * ifcvt.c: Likewise.
+       * integrate.c: Likewise.
+       * lcm.c: Likewise.
+       * libgcc2.c: Likewise.
+       * loop.c: Likewise.
+       * mbchar.c: Likewise.
+       * optabs.c: Likewise.
+       * predict.c: Likewise.
+       * prefix.c: Likewise.
+       * profile.c: Likewise.
+       * protoize.c: Likewise.
+       * real.c: Likewise.
+       * recog.c: Likewise.
+       * regclass.c: Likewise.
+       * regmove.c: Likewise.
+       * reg-stack.c: Likewise.
+       * reload1.c: Likewise.
+       * resource.c: Likewise.
+       * rtlanal.c: Likewise.
+       * rtl.c: Likewise.
+
+2001-08-12  Kazu Hirata  <kazu@hxi.com>
+
+       * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
+       a tree representing a constant is passed to the macro.
+
+2001-08-12  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
+       (rs6000_elf_asm_out_destructor): New.
+       * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
+       (DTORS_SECTION_ASM_OP): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+       (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
+
+2001-08-12  David Edelsohn  <edelsohn@gnu.org>
+
+       Revert:
+       2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+       * gcc.c (set_collect_gcc_options): New function, split out from
+       main.
+       Ignore elided switches.
+       (do_spec_1): Invoke before executing command.
+       (set_input): Export.
+       Move declaration ...
+       * gcc.h (set_input): ... here.
+       * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
+       file.
+
+2001-08-12  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
+       thinko wrt TARGET_RELOCATABLE.
+
+2001-08-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * fix-header.c (cb_file_change): Update prototype.
+
+2001-08-11  Zack Weinberg  <zackw@panix.com>
+
+       * toplev.c (set_float_handler): Make static.
+       * toplev.h: Don't prototype set_float_handler.
+
+       * simplify-rtx.c: Don't include setjmp.h.
+       (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
+       New functions.
+       (simplify_unary_operation, simplify_binary_operation): Use them,
+       via do_float_handler.
+
+       * fold-const.c: Don't include setjmp.h.
+       (exact_real_inverse_1): New function.
+       (exact_real_inverse): Use it, via do_float_handler.
+
+       * varasm.c: Don't include setjmp.h.
+       (assemble_real_1): New function.
+       (assemble_real): Use it, via do_float_handler.
+       Call internal_error if we get a trap here.
+
+       * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
+       config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
+
+2001-08-11  Zack Weinberg  <zackw@panix.com>
+
+       * defaults.h: Define PREFERRED_STACK_BOUNDARY to
+       STACK_BOUNDARY if not already defined.
+
+       * calls.c, function.c, reload1.c, explow.c: Don't default
+       PREFERRED_STACK_BOUNDARY.  Remove all #if/#ifdef on
+       PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
+
+       * explow.c (allocate_dynamic_stack_space): Change unsafe #if
+       to run-time test.
+
+       * doc/tm.texi: Document that STACK_BOUNDARY is required;
+       clarify difference between it and PREFERRED_STACK_BOUNDARY.
+
+2001-08-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (enter_macro_context): Push macro expansions even
+       if empty.
+
+2001-08-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/rs6000/rs6000.c: Include integrate.h to silence warning.
+       (rs6000_elf_section_type_flags): Actually return a value.
+
+2001-08-11  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
+       Clean up code: add missing comments and prototypes, fix warnings,
+       remove obsolete code, fix spacing to conform to coding style.
+
+2001-08-11  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
+       and TARGET_ASM_CLOSE_PAREN.
+       (regclass_map): CC register belongs to class NO_REGS.
+       (legitimize_pic_address): Don't generate unnecessary moves
+       (to avoid confusing loop optimization).
+       (check_and_change_labels): Replace jump_long by indirect_jump.
+       (s390_final_chunkify): Don't start a new literal pool on section
+       switch in 64-bit code.
+       (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
+
+       * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
+       (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
+       (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
+       modes correctly.
+       (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
+       (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
+       (CONST_COSTS): Fixed incorrect costs.
+
+       * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
+       Use emit_jump instead of emit_jump_insn (gen_jump).
+       (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
+       (to avoid confusing flow analysis).
+       (tablejump, tablejump1, tablejump2): Removed.  Replaced by casesi.
+       (casesi, casesi_jump): New.
+       (jump_long): Removed.  Functionality merged into indirect_jump.
+       (indirect_jump): Accept address_operand, not just register_operand.
+       (cjump_long, icjump_long): Use same logic as indirect_jump.
+       (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
+       Fixed broken setjmp/longjmp handling.
+       (do_builtin_setjmp_setup): Removed.
+
+       * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
+       broken GNU as versions that don't accept .quad with large
+       negative values.  Use hexadecimal output instead.
+       (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
+       (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
+       FUNCTION_EPILOGUE): Removed.  Now in targetm.
+
+       * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
+
+       * config/s390/fixdfdi.h: Add missing copyright statement.
+       Fix type conflicts on 64-bit.  Add missing SFmode routines.
+
+       * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
+       email address.
+
+2001-08-11  Richard Henderson  <rth@redhat.com>
+
+       * rtl.h (REG_EH_RETHROW): Remove.
+       * rtl.c (reg_note_name): Update.
+       * combine.c (distribute_notes): Don't check for it.
+
+2001-08-11  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (distribute_notes): Place REG_SETJMP.
+
+2001-08-11  Richard Henderson  <rth@redhat.com>
+
+       * doc/extend.texi (Arrays and pointers implementation): Discourage
+       relying on sign-extension of pointers.
+
+2001-08-11  H.J. Lu <hjl@gnu.org>
+
+       * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
+       in_dtors.
+       (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
+       RDATA_SECTION_ASM_OP.
+
+2001-08-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Specific, c4x): Fix cross-reference to the
+       main manual to work both for info and HTML versions.
+
+2001-08-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+           Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+       * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
+       * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
+       (struct cpp_pool): New member first.
+       * cppinit.c (append_include_chain): Plug memory leaks.
+       * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
+       Allocate pragma structures from the (aligned) macro pool to
+       avoid leaking memory.
+       * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
+       so we don't leak memory.
+       * hashtable.c (ht_destroy): New.
+       * hashtable.h (ht_destroy): New.
+
+2001-08-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+           Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * c-lex.c (map): Make const.
+       (cb_file_change): Update for callback passing a line map.
+       Don't assume we have a previous map.  Remove sanity check
+       about popping too many files.
+       * cpperror.c (print_location): Make map const.
+       * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
+       (cpp_make_system_header): Similarly.
+       (search_from): Similarly.
+       (_cpp_execute_include): Don't remember where we came from.
+       * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
+       (struct cpp_reader): Make map const.
+       (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
+       * cpplib.c (do_line): Update; line maps now hold sysp.
+       (cpp_push_buffer): Similarly.
+       (_cpp_do_file_change): Similarly; callback with map instead.
+       (cpp_get_line_maps): Constify return value.
+       (_cpp_pop_buffer): Update.
+       * cpplib.h (struct cpp_file_change): Remove.
+       (struct cpp_callbacks): Update.
+       (cpp_get_line_maps): Constify return value.
+       * cppmacro.c (_cpp_create_definition): Update.
+       * cppmain.c (struct printer): Constify map.
+       (maybe_print_line): Similarly.
+       (print_line): Similarly.  Deduce flags 1 and 2 here.
+       (cb_file_change): Update.
+       * line-map.c (free_line_maps): Warn regardless.
+       (add_line_map): Return pointer to const.  When passed NULL to_file
+       with LC_LEAVE, use the obvious values for the return point so the
+       caller doesn't have to figure them out.
+       (lookup_line): Return pointer to const.
+       (print_containing_files): Take pointer to const.
+       * line-map.h (struct line_map): New members reason, sysp.
+       (add_line_map): Return pointer to const.
+       (lookup_line): Similarly.
+       (print_containing_files): Take pointer to const.
+
+2001-08-10  Roman Zippel  <zippel@linux-m68k.org>
+           Richard Henderson  <rth@redhat.com>
+
+       * regmove.c (regmove_optimize): Avoid setting a register twice in
+       a parallel set.
+
+2001-08-10  Richard Henderson  <rth@redhat.com>
+
+       * doc/extend.texi (Arrays and pointers implementation): Document
+       behavior of pointer/integer conversion.
+
+2001-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
+
+2001-08-10  Richard Henderson  <rth@redhat.com>
+
+       * doc/extend.texi (C Implementation): New chapter.
+       * doc/gcc.texi (Top): Link it in.
+
+2001-08-10  Andrew Cagney  <ac131313@redhat.com>
+
+       * doc/install.texi (Specific): Fix CVS merge botch.
+
+2001-08-10  Richard Henderson  <rth@redhat.com>
+
+       * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
+       ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
+
+2001-08-10  Zack Weinberg  <zackw@stanford.edu>
+
+       * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
+       if not already defined.  Remove all #ifdefs on STACK_BOUNDARY;
+       this macro is now required.
+
+       * cselib.c (cselib_process_insn), flow.c (propagate_block),
+       loop.c (find_and_verify_loops), reload.c (reload): Check
+       for rtx code of CALL_INSN, not CALL, when deciding if we
+       need to check for REG_SETJMP note.
+
+       * gcse.c (compute_hash_table, compute_store_table): Update
+       the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
+       logic.
+
+       * config/avr/avr.c: Fix typo.
+       * config/convex/convex.c (expand_movstr): Use adjust_address.
+       * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
+       variable.
+       * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
+       * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
+       Fix typo.
+       * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
+       Do define STACK_BOUNDARY.
+       * config/i370/i370.c: Include expr.h.
+       * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
+       config/pa/som.h, config/v850/v850.h: Take in_ctors and
+       in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
+       and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
+       * config/m88k/m88k.c: Include c-tree.h after expr.h.
+       * config/pdp11/pdp11.c: Include expr.h and toplev.h.
+       * config/romp/romp.c: Include expr.h after tree.h.
+       Include toplev.h.
+       (output_fpop): Use xmalloc, not oballoc.
+       * config/we32k/we32k.c: Include expr.h.
+
+2001-08-10  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h: Fix formatting.
+
+2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
+
+       * c-common.h (RETURN_NULLIFIED_P): Lose.
+       * c-semantics.c (genrtl_return_stmt): Don't check it.
+
+2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
+       (mips_annotate_frame_insn): New function.
+       (mips_emit_frame_related_store): New function.
+       (save_restore_insns): Don't mark instructions that set up the base
+       registers as frame-related.  Add REG_FRAME_RELATED_EXPR notes to
+       the store instructions instead.
+       (mips_expand_prologue): If the stack size is moved into a temporary
+       register, do not mark that move as frame-related.  Add a
+       REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
+
+2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (save_restore_insns): Don't mark the RA's
+       stack slot as unchanging if current_function_calls_eh_return.
+
+2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
+       access the second half of the TFmode scratch operand.
+
+2001-08-10  Anthony Green  <green@redhat.com>
+
+       * java/class.c (emit_register_classes): Conditionalize code on
+       JCR_SECTION_NAME.
+
+2001-08-10  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Specific, avr): Fix cross-reference to the
+       main manual to work both for info and HTML versions.
+
+2001-08-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * stmt.c (expand_null_return_1): Remove code to generate simple returns
+       and "use_goto" argument.
+       (expand_null_return, expand_value_return): Update all callers.
+       * function.c (expand_function_end): Remove code to generate simple
+       return.
+       * config/vax/vax.md (epilogue): New expander for function return.
+       * doc/md.texi (epilogue): Remove "if defined".
+
+2001-08-09  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in: Partially revert my previous change:
+       put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
+       of the hashtab.o and safe-ctype.o rules.
+
+2001-08-09  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
+       (USE_COLLECT2): Remove duplicate definition.
+       * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
+       (use_collect2): Remove dead code.
+       * configure.in (use_collect2): Remove will_use_collect2 and
+       maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
+       * configure: Rebuild.
+
+       * target.h (targetm.asm_out.constructor): New.
+       (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
+       * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
+       (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
+       * varasm.c (in_ctors, in_dtors): New.
+       (assemble_constructor, assemble_destructor): Remove.
+       (default_stabs_asm_out_destructor): New.
+       (default_named_section_asm_out_destructor): New.
+       (dtors_section, default_dtor_section_asm_out_destructor): New.
+       (default_stabs_asm_out_constructor): New.
+       (default_named_section_asm_out_constructor): New.
+       (ctors_section, default_ctor_section_asm_out_constructor): New.
+       * output.h: Update declarations.
+       * c-decl.c (c_expand_body): Use target hooks instead of
+       assemble_constructor and assemble_destructor.
+       * profile.c (output_func_start_profiler): Likewise.
+       * objc/objc-act.c (finish_objc): Likewise.
+       (build_module_descriptor): Tidy.  Set TREE_PUBLIC properly
+       for the constructor.
+       * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
+
+       * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
+       (DTORS_SECTION_ASM_OP): Likewise.
+       (__CTOR_LIST__): Use attribute section when possible.
+       (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
+
+       * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
+       ASM_OUTPUT_CONSTRUCTOR.
+
+       * config/darwin.c (machopic_asm_out_constructor): New.
+       (machopic_asm_out_destructor): New.
+       * config/darwin-protos.h: Update declarations.
+       * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+       * config/nextstep.c (nextstep_asm_out_constructor): New.
+       (nextstep_asm_out_destructor): New.
+       * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+       * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
+       ASM_OUTPUT_*STRUCTOR.
+       * config/i386/aix386ng.h: Likewise.
+
+       * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
+       (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
+       (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+       * config/lynx.h: Likewise.
+       * config/netware.h: Likewise.
+       * config/psos.h: Likewise.
+       * config/alpha/alpha-interix.h: Likewise.
+       * config/alpha/elf.h: Likewise.
+       * config/arc/arc.h: Likewise.
+       * config/arm/aof.h: Likewise.
+       * config/arm/coff.h: Likewise.
+       * config/arm/elf.h: Likewise.
+       * config/c4x/c4x.h: Likewise.
+       * config/h8300/h8300.h: Likewise.
+       * config/i386/cygwin.h: Likewise.
+       * config/i386/djgpp.h: Likewise.
+       * config/i386/i386-coff.h: Likewise.
+       * config/i386/i386-interix.h: Likewise.
+       * config/i386/sco5.h: Likewise.
+       * config/i386/vsta.h: Likewise.
+       * config/i386/win32.h: Likewise.
+       * config/i960/i960-coff.h: Likewise.
+       * config/ia64/sysv4.h: Likewise.
+       * config/m68hc11/m68hc11.h: Likewise.
+       * config/m68k/coff.h: Likewise.
+       * config/m68k/mot3300.h: Likewise.
+       * config/m88k/m88k.h: Likewise.
+       * config/mcore/mcore-pe.h: Likewise.
+       * config/mcore/mcore.h: Likewise.
+       * config/mips/elf.h: Likewise.
+       * config/mips/elf64.h: Likewise.
+       * config/mips/iris6.h: Likewise.
+       * config/pa/pa64-hpux.h: Likewise.
+       * config/rs6000/sysv4.h: Likewise.
+       * config/sh/sh.h: Likewise.
+       * config/sparc/litecoff.h: Likewise.
+
+       * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
+       (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
+       (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+       * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       * config/a29k/a29k.c: Move include of tree.h.
+       * config/a29k/udi.h: Delete file.
+       * config/alpha/alpha.c (vms_asm_out_constructor): New.
+       (vms_asm_out_destructor): New.
+       * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
+       (EXTRA_SECTION_FUNCTIONS): Likewise.
+       (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+       * config/c4x/c4x.c: Move include of tree.h.
+       * config/clipper/clipper.c (clix_asm_out_constructor): New.
+       (clix_asm_out_destructor): New.
+       * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+       * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR): New.
+       * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
+       (sco_asm_out_constructor): New.
+       * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
+       * config/i386/svr3gas.h: Remove stack grows up code.
+       Remove code duplicated from i386/sysv3.h.
+       (TARGET_ASM_CONSTRUCTOR): New.
+       (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+       (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
+       * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR): New.
+       * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
+       (m68hc11_asm_out_destructor): New.
+       * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
+       (TARGET_ASM_DESTRUCTOR): New.
+       * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
+       * config/m68k/dpx2.h: Properly undef all the bits inherited from
+       config/svr3.h pertaining to section manipulation.
+       * config/m68k/dpx2g.h: Remove #if 0 code.
+       * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
+       * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
+       (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR): New.
+       * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
+       (m88k_svr3_asm_out_constructor): New.
+       (m88k_svr3_asm_out_destructor): New.
+       * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+       * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
+       * config/rs6000/aix.h: Likewise.
+       * config/mips/rtems64.h: Don't undef removed constructor related bits.
+       * config/mips/vxworks.h: Likewise.
+       * config/rs6000/lynx.h: Likewise.
+       * config/sh/elf.h: Likewise.
+       * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
+       (DTORS_SECTION_ASM_OP): New.
+       * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       * config/sparc/sol2-sld-64.h: Likewise.
+       * config/vax/vax.c (vms_asm_out_constructor): New.
+       (vms_asm_out_destructor): New.
+       * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+       (ASM_OUTPUT_DESTRUCTOR): Remove.
+       (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+
+       * doc/tm.texi (@node Initialization): Update.
+
+2001-08-09  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/crtbegin.asm (__JCR_LIST__): New.
+       (__do_global_dtors_aux): Use gp-relative static data to avoid
+       one dynamic relocation.
+       (__do_frame_setup): Register Java classes.
+       * config/alpha/crtend.asm (__JCR_END__): New.
+
+2001-08-09  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
+       (CONFIG_H, TCONFIG_H, TM_P_H): Update.
+       (GEN, STAGESTUFF): Add new files.
+       (insn-constants.h, s-constants, tm-preds.h, s-preds,
+       genconstants, genpreds, genconstants.o, genpreds.o): New rules.
+       (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
+       * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
+       as well as insn-codes.h and insn-flags.h in config.h; and no
+       extra headers in tconfig.h and hconfig.h.
+
+       * gencodes.c: Eliminate code to generate predicate declarations
+       or #defines for md-file constants.
+       * genconstants.c, genpreds.c: New files.
+
+       * i386.md: Re-order guard expressions such that TARGET_64BIT
+       comes first, when this permits better optimization.  Add
+       TARGET_64BIT to more x86-64 patterns.  Add comment explaining
+       why this is desirable.
+
+2001-08-09  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
+       (find_fde_for_dso): Remove.
+       (_Unwind_IteratePhdrCallback): New.
+       (_Unwind_FindTableEntry): Use dl_iterate_phdr.
+       * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
+
+Thu Aug  9 11:30:20 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
+       (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
+
+2001-08-09  Graham Stott  <grahams@redhat.com>
+
+       * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
+       (vis_no_unit): Use it.
+       (visualize_no_unit): Add the insn only if room exists.
+
+2001-08-09  Graham Stott  <grahams@redhat.com>
+
+       * predict.c (estimate_probability): Replace magic numbers with
+       appropriate enumeration.
+
+2001-08-09  Graham Stott  <grahams@redhat.com>
+
+       * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
+       parameter.
+       (EXTRACT_FLAGS): Likewise.
+
+2001-08-09  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/mips/mips.c    (mips_legitimate_address_p): Check for
+       CONST_INT in last patch.
+
+2001-08-08  Anthony Green  <green@redhat.com>
+
+       * java/class.c (emit_register_classes): Use assemble_jcr if
+       possible.  Keep the original mechanism as a fallback.
+       * defaults.h (JCR_SECTION_NAME): Define if we have named section
+       and weak symbol support.
+       * crtstuff.c (__JCR_LIST__): Define.
+       (__JCR_END__): Define.
+       (_Jv_RegiserClasses): Define weak symbol if possible.
+       (__do_global_ctors_aux): Register classes for ELF targets with
+       weak symbol support.
+
+2001-08-08  Kazu Hirata  <kazu@hxi.com>
+
+       * dbxout.c: Fix comment formatting.
+       * dependence.c: Likewise.
+       * df.c: Likewise.
+       * diagnostic.c: Likewise.
+       * dominance.c: Likewise.
+       * doprint.c: Likewise.
+       * dwarf2out.c: Likewise.
+       * dwarfout.c: Likewise.
+       * emit-rtl.c: Likewise.
+       * except.c: Likewise.
+       * explow.c: Likewise.
+       * expmed.c: Likewise.
+       * expr.c: Likewise.
+       * flow.c: Likewise.
+       * fold-const.c: Likewise.
+       * function.c: Likewise.
+
+2001-08-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * global.c (retry_global_alloc): Avoid shadowing allocno.
+
+2001-08-08  Mark Mitchell  <mark@codesourcery.com>
+
+       * except.c (remove_fixup_regions): Fix typo.
+
+2001-08-08  Jan van Male <jan.vanmale@fenk.wau.nl>
+
+       * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
+       unsigned HOST_WIDE_INT to avoid warning.
+       * final.c (final): Cast INSN_UID to unsigned to avoid warning.
+       * flow.c (set_block_for_new_insns): Likewise.
+
+Wed Aug  8 21:08:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * sibcall.c (return_value_pseudo): New static variable.
+       (skip_copy_to_return_value): Handle return_value_pseudo.
+       (call_ends_block_p): Ensure that return_value_pseudo is set.
+       (optimize_sibling_and_tail_recursive_call): Discover the
+       load of pseudo return value in alternate exit block.
+
+Wed Aug  8 21:06:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * calls.c (ECF_ALWAYS_RETURN): New constant.
+       (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
+       (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
+       (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
+       * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
+       * rtl.c (reg_note_name): New name.
+       * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
+
+2001-08-07  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
+
+2001-08-08  Jason Merrill  <jason_merrill@redhat.com>
+
+       * alias.c (get_alias_set): Return a previously calculated
+       alias set for a VAR_DECL.
+       * function.c (gen_mem_addressof): Calculate the alias set before
+       touching the RTL.
+
+Wed Aug  8 18:44:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def: Set hitrates according our experimental run.
+
+Wed Aug  8 18:01:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (HARD_REGNO_RENAME_OK): New macro.
+
+2001-08-08  H.J. Lu <hjl@gnu.org>
+
+       * config/mips/mips.c (mips_unique_section): New. Copied from
+       config/mips/elf.h.
+
+       * config/mips/mips-protos.h (mips_unique_section): New
+       prototype.
+
+       * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
+
+       * config/mips/little.h: New. Generic little endian mips
+       targets. Only mips*-*-linux* is converted to use it so far.
+
+       * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
+       (WCHAR_TYPE): Defined
+       (WCHAR_TYPE_SIZE): Likewise.
+       (INIT_SUBTARGET_OPTABS): Likewise.
+       (BSS_SECTION_ASM_OP): Likewise.
+       (SBSS_SECTION_ASM_OP): Likewise.
+       (ASM_OUTPUT_ALIGNED_BSS): Likewise.
+       (ASM_DECLARE_OBJECT_NAME): Likewise.
+       (UNIQUE_SECTION): Likewise.
+       (EXTRA_SECTIONS): Likewise.
+       (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+       (ASM_OUTPUT_DESTRUCTOR): Likewise.
+       (ASM_OUTPUT_DEF): Likewise.
+       (HANDLE_SYSV_PRAGMA): Removed.
+       (NO_IMPLICIT_EXTERN_C): Likewise.
+       (TARGET_MEM_FUNCTIONS): Likewise.
+       (STARTFILE_SPEC): Likewise.
+       (ENDFILE_SPEC): Likewise.
+       (LIB_SPEC): Likewise.
+       (INVOKE__main): Likewise.
+       (CTOR_LIST_BEGIN): Likewise.
+       (CTOR_LIST_END): Likewise.
+       (DTOR_LIST_BEGIN): Likewise.
+       (DTOR_LIST_END): Likewise.
+       (SET_ASM_OP): Likewise.
+       (ASM_OUTPUT_SOURCE_LINE): Likewise.
+       (ASM_OUTPUT_DEF): Likewise.
+       (ASM_OUTPUT_IDENT): Likewise.
+
+       * config/mips/mips.h (ASM_SPEC): Undefine before define.
+       (CPLUSPLUS_CPP_SPEC): Likewise.
+       (ASM_APP_ON) Redefine only if not defined.
+       (ASM_APP_OFF): Likewise.
+       (ASM_OUTPUT_SOURCE_LINE): Likewise.
+       (ASM_OUTPUT_IDENT): Likewise.
+
+       * config.gcc: Update tm_file for Linux/mips.
+
+2001-08-08  Bernd Schmidt  <bernds@redhat.com>
+
+       * cselib.c (cselib_record_sets): If insn is predicated, turn
+       sources into IF_THEN_ELSEs.
+
+       * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
+       Turn into define_insn_and_split.
+
+       * sched-deps.c: Include "cselib.h".
+       (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
+       Use cselib to turn memory addresses into VALUEs.
+       (sched_analyze): Call cselib_init/cselib_finish if necessary.
+       * sched-int.h (struct sched_info): New member USE_CSELIB.
+       * sched-ebb.c (ebb_sched_info): Initialize it.
+       * sched-rgn.c (rgn_sched_info): Likewise.
+       * Makefile.in (sched-deps.o): Update dependencies.
+
+       * cselib.h (cselib_subst_to_values): Declare.
+       * cselib.c (cselib_subst_to_values): No longer static.  Allow MEMs
+       that have no value and autoincs to be handled by generating a new
+       dummy value.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
+       within fixed length SEQUENCE.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
+       (diagnostic_prefixing_rule): Likewise.
+       (diagnostic_line_cutoff): Likewise.
+       (diagnostic_kind_count): Likewise.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * alias.c (find_base_decl): Delete redundent assignment.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
+       (abs): Uppercase and paranthesize macro parameter.
+       (MEM_DEPENDENCY): Add whitespace.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
+       failure check for CONST_INT
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
+       (libcall_dead_p): Likewise.
+
+       (mark_used_regs): Constify fmt.
+       (find_use_as_address): Likewise.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
+        parameter.
+
+2001-08-08  Graham Stott  <grahams@redhat.com>
+
+       * combine.c (combine_simplify_rtx): Update comment and
+       remove erroneous test.
+
+2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (cpp_finish): Pop the final buffer without comment.
+       * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
+       take care to avoid multiple no-newline at EOF warnings in that
+       case.
+
+Tue Aug  7 22:18:06 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * calls.c (expand_call): Do not emit INSN_SETJMP note.
+       (emit_library_call_value_1): Likewise.
+       (emit_call_1): Emit REG_SETJMP note.
+       * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
+       of INSN_SETJMP
+       * cselib.c (cselib_process_insn): Likewise.
+       * flow.c (propagate_block): Likewise.
+       * loop.c (find_and_verify_loops): Likewise.
+       * reload.c (find_equiv_regs): Likewise.
+       * reload1.c (reload): Likewise.
+       * resource.c (mark_referenced_resources,
+       mark_set_resources): Likewise.
+       * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
+       * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
+       * haifa-sched.c (unlink_other_notes): Likewise.
+       (reemit_notes): Likewise.
+       * sched-ebb.c (sched_ebb): Likewise.
+       * sched-rgc.c (sched_region): Likewise.
+       * rtl.c (note_insn_name): Likewise.
+       (reg_note_name): Add REG_SETJMP
+       * rtl.h (reg_note): Add REG_SETJMP.
+       (insn_note): Remove NOTE_INSN_SETJMP.
+
+       * profile.c (branch_prob): Add fake edges for setjmp.
+
+2001-08-07  Daniel Jacobowitz  <drow@mvista.com>
+
+       * config.gcc: Quote target_cpu_default2 correctly for
+       powerpc*-*-* targets.
+
+2001-08-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.h, line-map.h: Update comments.
+       * cppmain.c (printer_init): Move inline.
+       (maybe_print_line, print_line): Take a map pointer.
+       (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
+       (cb_file_change): Don't use prior value of print.map.
+
+2001-08-07  David Edelsohn  <edelsohn@gnu.org>
+
+       * doc/install.texi: Document fine-grained multilib configuration.
+
+Tue Aug  7 16:52:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtlanal.c (find_first_parameter_load): Call note_stores
+       only on the instructions.
+
+Tue Aug  7 14:56:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * alias.c (nonlocal_mentioned_p):
+       Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
+       * calls.c (emit_call_1): Likewise.
+       * cse.c (cse_insn, invalidate_skipped_block): Likewise.
+       * cselib.c (cselib_process_insn): Likewise.
+       * df.c (df_insns_modify): Likewise.
+       * flow.c (need_fake_edge_p): Likewise.
+       (propagate_one_insn): Likewise.
+       * haifa-sched.c (reemit_notes): Likewise.
+       * integrate.c (copy_insn_list): Likewise.
+       * jump.c (delete_prior_computation): Likewise.
+       * local-alloc.c (validate_equiv_mem): Likewise.
+       * loop.c (scan_loop): Likewise.
+       * predict.c (estimate_probability): Likewise.
+       * reload.c (reload): Likewise.
+       * sched-deps (sched_analyze): Likewise.
+       * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
+       * gcse.c (compute_hash_table): Likewise.
+       (mark_call): Likewise.
+       (store_killed_in_insn): Likewise.
+
+2001-08-07  Jason Merrill  <jason_merrill@redhat.com>
+
+       * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
+
+2001-08-06  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_gc_entry): Remove.
+       * output.h: Likewise.
+
+2001-08-06  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_constructor): Take a symbol_ref and a
+       priority instead of a bare string.  Move priority handling
+       here from cp/decl2.c.
+       * output.h: Update decls.
+
+       * c-decl.c (c_expand_body): Update calls to assemble_constructor
+       and assemble_destructor.
+       * profile.c (output_func_start_profiler): Likewise.
+       * objc/objc-act.c (finish_objc): Likewise.
+       (build_module_descriptor): Return the symbol not the symbol name.
+
+2001-08-06  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
+       * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
+       ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
+       * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
+       * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
+       * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
+
+2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpperror.c (print_containing_files): Moved to line-map.c.
+       (print_location): line-map.c handles re-listing or otherwise.
+       * cpphash.h (struct lexer_state): Remove next_bol.
+       (struct cpp_buffer): Remove include_stack_listed.
+       * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
+       Remove faked buffer handling.
+       (_cpp_do_file_change): Tweak.
+       * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
+       * cppmain.c (struct printer): Remove filename.
+       (print_line, cb_file_change): Update accordingly.
+       * line-map.c: Include intl.h.
+       (init_line_maps): Initialize last_listed.
+       (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
+       (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
+       (print_containing_files): New.
+       * line-map.h (struct line_maps): New member last_listed.
+       (print_containing_files, INCLUDED_FROM): New.
+       * Makefile.in: Update.
+       * po/POTFILES.in: Add line-map.c.
+
+2001-08-06  Richard Henderson  <rth@redhat.com>
+
+       * except.c (convert_from_eh_region_ranges_1): Never mark
+       USE or CLOBBER insns as throwing.
+
+       * expr.c (store_constructor): Don't clobber memory targets.
+
+2001-08-06  Andreas Jaeger  <aj@suse.de>
+
+       * profile.c (branch_prob): Remove unused variable insn.
+
+       * Makefile.in (local-alloc.o): Add dependency on except.h.
+
+       * local-alloc.c: Include except.h for can_throw_internal prototype.
+
+2001-08-06  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
+       * function.c (expand_main_function): Implement it.
+       * doc/tm.texi: Document it.
+
+2001-08-06  Stan Shebs  <shebs@apple.com>
+
+       * doc/install.texi: Document powerpc-*-darwin* details.
+
+2001-08-06  Daniel Berlin  <dan@cgsoftware.com>
+
+       * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
+       (ASM_CPU_SPEC): Move back to rs6000.h
+       #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
+
+       * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
+
+       * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
+       readded.
+
+       * config/rs6000/linux64.h: Ditto.
+
+       * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
+       to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
+       nothing.
+
+       Remove accidently readded definitions of FUNCTION_PROLOGUE,
+       FUNCTION_EPILOGUE,  ASM_OPEN_PAREN, ASM_CLOSE_PAREN
+
+       * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
+       to rs6000.h
+
+2001-08-05  Richard Henderson  <rth@redhat.com>
+
+       * local-alloc.c (update_equiv_regs): Do not move insns that
+       can throw.
+
+2001-08-05  Jan Hubicka  <jh@suse.cz>
+
+       * Makefile.in (reload1.o): Add dependency on except.h
+       * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
+       prototypes.
+       * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
+       indicating whether edges has been cleaned up.
+       * reload1.c: Include except.h.
+       (fixup_abnormal_edges): Accept deleted insns.
+       * toplev.c (rest_of_compilation): Purge dead edges unconditionally
+       after combine.
+
+2001-08-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (do_line): Correct line number after pop_buffer.
+
+2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       PR preprocessor/3824
+       * line-map.c: Update comments.
+       * line-map.h: Update comments.
+       * tradcif.y: Don't consider large numbers unsigned.
+
+2001-08-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       PR preprocessor/3081
+       * c-lex.c (map): New.
+       (cb_file_change): Update map and use it.
+       (cb_def_pragma, cb_define, cb_undef): Use map and line.
+       (c_lex): Update to use map.
+       * cpperror.c (print_location): Move to using logical line numbers.
+       * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
+       (cpp_make_system_header): Similarly.
+       (_cpp_execute_include): Stop line numbering hacks.  Store the
+       line we will return to.
+       * cpphash.h (CPP_BUF_LINE): Remove.
+       (struct cpp_buffer): Remove lineno and pseudo_newlines.
+       Add map and return_to_line.
+       (_cpp_do_file_change): Update.
+       * cppinit.c (cpp_start_read): Update line kludge.
+       * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
+       (trigraph_ok): Use logical line numbers for diagnostics.
+       (skip_block_comment): Likewise.
+       (skip_whitespace): Likewise.
+       (skip_line_comment): Use pfile->line instead.
+       (_cpp_lex_token): Update to use logical line numbering exclusively.
+       Handle BOL locally.  Accept new lines in directives, but keep
+       pfile->line decremented.  Diagnostics use logical lines.  Update
+       directive handling.
+       * cpplib.c (SEEN_EOL): New.
+       (skip_rest_of_line, check_eol): Use it.
+       (end_directive): Increase line number when accepting the newline
+       at the end of a directive.
+       (run_directive): Simplify.
+       (do_line): Bad LC_LEAVEs become LC_RENAMEs.  Update.
+       (_cpp_do_file_change): Update to take buffer line number as an
+       argument, and store the current map in the cpp_reader.  Remove
+       line number kludges.
+       (_cpp_do__Pragma): Restore output position after a _Pragma.
+       (cpp_push_buffer): Don't set output line or lineno.
+       (_cpp_pop_buffer): Transfer more info from a faked buffer.
+       Remove line kludge.  Set output_line.
+       * cppmacro.c (builtin_macro): Update handling of __LINE__.
+       (parse_arg): Use logical lines.
+       (save_lookahead_token): Save EOFs too now.
+       * cppmain.c (struct printer): Fix comments.
+       (printer_init): Simplify, let caller do errors.
+       (scan_translation_unit, check_multiline_token, dump_macro): Update.
+       (maybe_print_line): Simplify.
+       (print_line): Don't print a linemarker if -P.
+       (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
+       (cb_file_change): Simplify.
+       * line-map.h (LAST_SOURCE_LINE): Fix.
+       (CURRENT_LINE_MAP): New.
+
+2001-08-05  Bernd Schmidt  <bernds@redhat.com>
+
+       * doloop.c (doloop_modify_runtime): Properly compute number of
+       iterations if loop was unrolled.
+
+       * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
+       if their CSELIB_VAL_PTRs are.
+
+       * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
+       (setup_spill_pointers): Initialize it.
+       (spill_restore_mem): Set it.
+       (do_spill, do_restore): Use it to add REG_INC note.
+       * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
+
+       * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
+       asms if other insns are available.
+
+       * config/ia64/ia64.c (condop_operator): New predicate.
+       * config/ia64/ia64.h (PREDICATE_CODES): Add it.
+       * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
+       patterns.
+
+       * expr.c (expand_expr, case COND_EXPR): Prefer working with a
+       temporary register than directly using a MEM.
+
+2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * config/sh/sh.c (sh_asm_named_section): Fix typo in align
+       parameter in last change.
+
+2001-08-04  Zack Weinberg  <zackw@panix.com>
+
+       * sparc.md: Don't use #if inside C test expression.
+
+2001-08-04  Richard Henderson  <rth@redhat.com>
+
+       * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
+
+2001-08-04  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_reader): New member directive_line.
+       * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
+       * cpplib.c (do_define, do_undef, do_ident, do_include_common,
+       do_pragma): Pass line to callbacks.
+       (start_directive): Record line of directive.
+       * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
+       cb_include): Similarly.
+       * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
+       Similarly.
+
+2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
+       comment.
+
+Sat Aug  4 13:51:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
+
+       * reload1.c (fixup_abnormal_edges): New static function.
+       (reload): Use it.
+
+       * flow.c (need_fake_edge_p): New function.
+       (flow_call_edges_add): Fix handling of noreturn and sibling calls;
+       avoid call insn to be very last insn in the insn stream.
+
+       * profile.c (branch_prob): Call flow_call_edges_add instead of
+       doing that by hand; cleanup cfg to re-merge basic blocks once
+       we are done.
+
+2001-08-04  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
+       are also on line-map.h.
+       * cppfiles.c (stack_include_file): Update.
+       * cpphash.h (struct cpp_buffer): New member return_at_eof.
+       (_cpp_pop_buffer): New.
+       * cppinit.c (cpp_destroy, cpp_finish): Update.
+       (do_includes): Mark each buffer to return at EOF.
+       * cpplex.c (_cpp_lex_token): Pop buffers at EOF.  Continue or
+       return as requested.
+       * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
+       (cpp_pop_buffer): Rename _cpp_pop_buffer.  Stop skipping.
+       * cpplib.h (cpp_pop_buffer): Remove.
+       (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
+       * cppmacro.c (cpp_scan_buffer_nooutput): Similarly.  No need to pop
+       buffers.
+       * cppmain.c (scan_buffer): Rename scan_translation_unit.  No need
+       to pop buffers.
+       (do_preprocessing): Update.
+       * fix-header.c (read_scan_file): Update.  No need to pop buffers.
+       * c-parse.in (_yylex): Similarly.
+       * scan-decls.c (scan_decls): Similarly.
+       * line-map.h: Update comments.
+
+       * objc/Make-lang.in (objc-act.o): Update dependencies.
+
+2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
+       and soft register for operand 0.
+       ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
+
+2001-08-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
+       register for operand 0.
+       ("bitcmpqi_z_used"): Allow memory for operand 0.
+       (split "bitcmpqi"): New split to handle address reg as operand 1.
+
+2001-08-04  Andreas Jaeger  <aj@suse.de>
+
+       * gcse.c: Revert Daniel's last patch.
+
+2001-08-03  Zack Weinberg  <zackw@stanford.edu>
+
+       * sparc-protos.h: Add prototypes for fp_zero_operand and
+       reg_or_0_operand.
+       * sh-protos.h: Add prototype for fpul_operand.
+
+2001-08-04  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * doc/extend.texi (Other Builtins): Fix typo in last change.
+
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+       * target.h (gcc_target): Add asm_out.named_section,
+       section_type_flags, have_named_sections.
+       * target-def.h (TARGET_ASM_NAMED_SECTION): New.
+       (TARGET_HAVE_NAMED_SECTIONS): New.
+       (TARGET_SECTION_TYPE_FLAGS): New.
+
+       * Makefile.in (toplev.o): Depend on TARGET_H.
+       (varasm.o, dbxout.o): Likewise.
+       * c-common.c (decl_attributes): Check targetm.have_named_sections
+       instead of ifdef ASM_OUTPUT_SECTION_NAME.
+       * dbxout.c (dbxout_function_decl): Likewise.
+       (dbxout_function_end): Likewise.
+       * toplev.c (compile_file): Likewise.
+       * varasm.c (exception_section): Likewise.
+       * cp/decl2.c (finish_objects): Likewise.
+
+       * defaults.h (EH_FRAME_SECTION): Remove.
+       (EH_FRAME_SECTION_ASM_OP): Remove.
+       (EH_FRAME_SECTION_NAME): New.
+       (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
+       (UNIQUE_SECTION_P): Remove.
+       * dwarf2out.c (SECTION_FORMAT): Remove.
+       (ASM_OUTPUT_SECTION): Remove.
+       (output_call_frame_info): Use named_section_flags.
+       (output_comp_unit, dwarf2out_start_source_file): Likewise.
+       (dwarf2out_end_source_file, dwarf2out_define): Likewise.
+       (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
+       * varasm.c (in_eh_frame, eh_frame_section): Remove.
+       (named_section_flags): New.
+       (named_section): Use it and targetm.section_type_flags.
+       (resolve_unique_section): New.
+       (assemble_start_function): Use it.
+       (asm_emit_uninitialised, assemble_variable): Likewise.
+       (default_section_type_flags): New.
+       (default_no_named_section, default_elf_asm_named_section): New.
+       (default_coff_asm_named_section, default_pe_asm_named_section): New.
+       * output.h: Update varasm.c decls.
+       (SECTION_*): New flags.
+
+       * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
+       (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
+
+       * config/elfos.h (UNIQUE_SECTION_P): Remove.
+       * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
+       * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
+       * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
+       * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
+       * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
+       * config/mips/elf.h, config/mips/elf64.h: Likewise.
+       * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
+       * config/pa/pa64-hpux.h,
+
+       * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
+       (TARGET_ASM_NAMED_SECTION): New.
+       * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
+       * config/alpha/vms.h, config/arm/coff.h: Likewise.
+       * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
+       * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
+       * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
+       * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
+       * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
+       * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
+       * config/i386/sco5.h, config/i386/win32.h: Likewise.
+       * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
+       * config/mcore/mcore.h, config/mips/elf.h: Likewise.
+       * config/mips/elf64.h, config/mips/iris6.h: Likewise.
+       * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
+       * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
+       * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
+       * config/sparc/sysv4.h: Likewise.
+
+       * config/nextstep.h: Error until named sections implemented.
+
+       * config/a29k/a29k.c (a29k_asm_named_section): New.
+       * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
+       (vms_section_type_flags, vms_asm_named_section): New.
+       * config/arm/arm.c (arm_elf_asm_named_section): New.
+       * config/avr/avr.c (asm_output_section_name): Remove.
+       * config/avr/avr-protos.h: Update.
+       * config/c4x/c4x.c (c4x_asm_named_section): New.
+       * config/h8300/h8300.c (h8300_asm_named_section): New.
+       * config/i386/i386.c (sco_asm_named_section): New.
+       * config/i386/winnt.c (SECTION_PE_SHARED): New.
+       (i386_pe_section_type_flags): New.
+       (i386_pe_asm_named_section): New.
+       * config/i386/i386-protos.h: Update.
+       * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
+       * config/mcore/mcore.c (mcore_asm_named_section): New.
+       * config/mips/mips.c (iris6_asm_named_section): New.
+       * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
+       instead of UNIQUE_SECTION_P.
+       * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
+       (xcoff_asm_named_section): New.
+       * config/sh/sh.c (sh_asm_named_section): New.
+       * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
+
+       * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
+       * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
+       (EH_FRAME_SECTION_NAME): New.
+       (EXCEPTION_SECTION): New.
+       * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
+       (DEBUG_*_SECTION): Remove.
+       * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
+       * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
+       (EH_FRAME_SECTION_ASM_OP): Remove.
+
+       * doc/tm.texi (UNIQUE_SECTION_P): Remove.
+       (ASM_OUTPUT_SECTION_NAME): Remove.
+       (TARGET_ASM_NAMED_SECTION): New.
+       (TARGET_HAVE_NAMED_SECTIONS): New.
+       (TARGET_SECTION_TYPE_FLAGS): New.
+       (EH_FRAME_SECTION_ASM_OP): Remove.
+       (EH_FRAME_SECTION_NAME): New.
+
+2001-08-03  Zack Weinberg  <zackw@stanford.edu>
+
+       * builtins.c (fold_builtin_constant_p): Return integer_zero_node
+       for complex expressions when cfun == 0.
+       * doc/extend.texi: Document that __builtin_constant_p can be
+       used in data initializers as well as functions.
+
+2001-08-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
+       variable I locally, instead of expecting a declaration in the
+       calling context.
+
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+       * except.c (collect_one_action_chain): Add an explicit cleanup
+       action if regions surrounding a catch were encoded entirely
+       within the call-site entry.
+
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+       * dbxout.c (dbxout_symbol_location): Flatten subregs first;
+       don't take REGNO of a non-register.
+
+2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
+       __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
+       (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
+       (__gthread_mutex_init_function): New function for mutex initialization.
+
+2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
+
+       * Makefile.in: Revert screwed up commit.
+
+2001-08-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
+       * config/m68hc11/larith.asm (_exit): Split in several sub-sections
+       merged by linker script to get a final _exit().
+       (__do_global_dtors): New for destructor handling in specific exit
+       section.
+       (__do_global_ctors): New for constructors in specific install section.
+       (__map_data_section): Map data sections before running constructors.
+       * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
+       (CTORS_SECTION_ASM_OP): Define to put in readonly section.
+       (DTORS_SECTION_ASM_OP): Likewise.
+       (CTORS_SECTION_FUNCTION): Define to force a reference to
+       __do_global_ctors.
+       (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
+
+2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
+
+       * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
+
+       * Makefile.in: Add df.h to gcse.c dependencies.
+
+2001-08-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * varasm.c (output_constant_def_contents): Use for the length of a
+       string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
+       depending on which is larger.
+
+2001-08-03  Daniel Berlin  <dan@cgsoftware.com>
+
+       * gcse.c: Include df.h for use as a dataflow analyzer.
+       Remove regvec.
+       Declaration of reg_set_info: gone.
+       New df_analyzer variable used by store motion.
+       (reg_set_info): Deleted.
+       (mark_mem_regs): New function, analyze regs used by a mem.
+       (store_ops_ok): Use dataflow analyzer results to determine if
+       necessary regs are changed in the block.
+       (find_moveable_store): Remove check for symbol ref, we can handle
+       much more complex expressions now.
+       (compute_store_table): Remove most of the code, it's unnecessary
+       now that the dataflow analyzer records the info for us.
+       (store_killed_after): Add parameter to say whether to do the
+       store_ops_okay test, used to speed up testing when we already know
+       the answer, and just want to know if the store itself was killed.
+       (build_store_vector): Largely rewritten to calculate the various
+       vectors properly, and somewhat optimized.
+       (store_motion): Init the df_analyzer, get REG_DEF chains.
+       Also handle trapping expressions (since mems almost always trap)
+       (simple_mem): Redefine what a simple mem is.
+
+2001-08-03  DJ Delorie  <dj@redhat.com>
+
+       * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
+       set from a constant part of the condition.
+
+2001-08-01  Andrew Cagney  <ac131313@redhat.com>
+
+       * mkdeps.c (deps_add_default_target): Make local variable
+       ``start'' a const char pointer.
+       * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
+
+2001-08-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Configuration): Fix markup.
+       (Specific, i?86-*-udk): Likewise.
+       (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
+       --with-gnu-ld.
+       Document --enable-threads and --enable-libgcj status.
+       (Specific, mips-sgi-irix*): Canonicalize triples.
+       (Specific, mips-sgi-irix5): Warn about problems with this config.
+       Mention required GNU as patch.
+       Native assembler problems are fixed.
+       (Specific, mips-sgi-irix6): Update O32 ABI support status.
+       Document --enable-threads and --enable-libgcj status.
+
+2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
+       of mkinstalldirs.
+
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
+       constant data.
+
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+       * rtlanal.c (find_first_parameter_load): Stop if we
+       reach a CODE_LABEL at BOUNDARY.
+
+2001-08-03  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (force_movdi): New insn.
+       * config/alpha/alpha.c (alpha_expand_prologue): Use it.
+       Tweek FRP marking of VMS prologue insns.
+       * config/alpha/vms.h (EPILOGUE_USES): New.
+
+2001-08-02  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
+
+2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
+
+       * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
+       simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
+       config/convex/convex.h, config/d30v/d30v.c,
+       config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
+       config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
+       config/mips/mips.h, config/mn10200/mn10200.h,
+       config/mn10300/mn10300.h, config/pdp11/pdp11.md,
+       config/v850/v850.h, config/vax/openbsd.h,
+       config/vax/openbsd1.h, config/vax/ultrix.h,
+       config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
+       config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
+       cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
+       doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
+       doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
+       in comments and documentation.
+
+2001-08-03  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * line-map.c: New.
+       * line-map.h: New.
+       * Makefile.in (line-map.o): New.
+       (LIBCPP_OBJS, LIBCPP_DEPS): Update.
+       * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
+       * cpperror.c (print_containing_files): Similarly.
+       (print_location): Update.  Don't output a space before _Pragma.
+       * cppfiles.c (stack_include_file): Set to line 1 immediately.
+       (stack_include_filee, cpp_make_system_header): Update.
+       (_cpp_execute_include): Get logical line number right for calling
+       as-yet-unterminated #include.
+       * cpphash.h (struct cpp_reader): Add line_maps.
+       (_cpp_do_file_change): Update.
+       * cppinit.c (cpp_create_reader): Initialize line maps.
+       (cpp_destroy): Destroy line maps.
+       (cpp_start_read): Get logical line number right.
+       * cpplex.c (parse_string): Only warn once for multi-line strings.
+       Use boolean variable for null warning.
+       * cpplib.c (_cpp_handle_directive): End the directive if it isn't
+       already.
+       (do_include_common): End the directive early.
+       (do_line): Don't warn about out-of-range lines in preprocessed
+       source.  Update.  Remove unused variables.
+       (_cpp_do_file_change): Update for new line mapping.
+       (pragma_cb): New typedef.
+       (cpp_register_pragma): Stop looking ahead before calling the
+       handler.  Clean up.
+       (do_pragma_system_header): End directive early.
+       (cpp_get_line_maps): New.
+       (cpp_pop_buffer): Fudge logical line.  Update.
+       * cpplib.h: Include line-map.h
+       (enum cpp_fc_reason): Remove.
+       (struct cpp_file_change): Update.
+       (cpp_get_line_maps): New.
+       * cppmain.c (struct_printer): New member map.
+       (cb_file_change): Update for new mappings.
+       * fix-header.c (cb_file_change): Similarly.
+
+2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * Makefile.in (libgcc.mk): Define mkinstalldirs.
+       * mklibgcc.in: Use mkinstalldirs instead of mkdir.
+
+2001-08-02  Lars Brinkhoff  <lars@nocrew.org>
+
+       * config/vax/vax.c: include expr.h.
+
+2001-08-02  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * Makefile.in ($(srcdir)/configure): Only rebuild in
+       maintainer mode.
+       ($(srcdir)/config.in): Only define in maintainer mode.
+       ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
+
+2001-08-02  David Edelsohn  <edelsohn@gnu.org>
+
+       * doc/install.texi (Install GCC: Binaries): Update Bull info.
+
+2001-08-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * gcc.c (set_collect_gcc_options): New function, split out from
+       main.
+       Ignore elided switches.
+       (do_spec_1): Invoke before executing command.
+       (set_input): Export.
+       Move declaration ...
+       * gcc.h (set_input): ... here.
+       * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
+       file.
+
+2001-08-02  Nathan Sidwell  <nathan@codesourcery.com>
+
+       Kill -fhonor-std.
+       * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
+       interaction.
+       * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
+
+2001-08-02  Richard Sandiford  <rsandifo@redhat.com>
+
+       * mips.md (movdicc): Make conditional on TARGET_64BIT.  Likewise
+       for the unnamed instructions it expands to.
+
+2001-08-02  Richard Henderson  <rth@redhat.com>
+
+       * regclass.c (call_really_used_regs): Conditionally define.
+       (init_reg_sets_1): Don't use it if not defined.
+       (fix_register): Similarly, don't set it.
+
+2001-08-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
+       Correct comment that had been missed in the previous change.
+
+2001-08-01  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.c (machopic_stub_name): Try matching by name.
+       (update_stubs): New function.
+       (darwin_encode_section_info):  Call it and update_non_lazy_ptrs
+       unconditionally.
+
+2001-08-01  Richard Henderson  <rth@redhat.com>
+
+       * except.c (output_function_exception_table): Use assemble_align.
+       * varasm.c (assemble_eh_label): Remove.
+       (assemble_eh_align, assemble_eh_integer): Remove.
+
+2001-08-01  Robert Lipe  <robertl@caldera.com>
+
+       * dwarfout.c: Remove reference to README.DWARF.
+
+2001-08-01  Andrew MacLeod  <amacleod@redhat.com>
+
+       * regclass.c (call_really_used_regs): New array for registers which
+       are actually used by a call.
+       (init_reg_sets_1): Initialize regs_invalidated_by_call with the
+       new array.
+       (fix_register): Set call_really_used too.
+       * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
+       * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
+
+2001-08-01  Richard Henderson  <rth@redhat.com>
+
+       * read-rtl.c (read_name): Consider \r whitespace.
+
+2001-07-11  Andrew Cagney  <ac131313@redhat.com>
+
+       * config.gcc: Recognize powerpc-*-netbsd*.
+
+       * doc/install.texi (Host/target specific installation notes for
+       GCC): Mention powerpc-*-netbsd*.
+
+       * config/rs6000/netbsd.h: New file.
+       (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
+       (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
+       (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
+       (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
+       (TARGET_VERSION): Redefine.
+
+       * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
+       mcall-netbsd as a match for mcall-sysv.
+       (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
+       (ncrti.S, ncrtn.S): New targets.
+       ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
+
+       * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
+       "netbsd' as a V4 ABI.
+       (ASM_SPEC): Check for -mcall-netbsd.
+       (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
+       (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
+       (LIB_SPEC, ENDFILE_SPEC): Ditto.
+       (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
+       (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
+       (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
+       (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
+
+       * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
+       (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
+
+2001-08-01  Mark Kettenis  <kettenis@gnu.org>
+
+       * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
+       only if NO_BASE_OF_ENCODED_VALUE isn't defined.
+       * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
+       including "unwind-pe.h".
+
+Wed Aug  1 20:01:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rs6000.md (define_splits): Kill unused constraints.
+
+Wed Aug  1 20:02:12 CEST 2001 Graham Stott  <grahams@redhat.com>
+                             Jan Hubicka  <jh@suse.cz>
+
+       * function.c (thread_prologue_and_epilogue_insns): Kill code
+       dealing with non-existent CFG.
+
+2001-08-01  Kazu Hirata  <kazu@hxi.com>
+
+       * alias.c: Fix comment formatting.
+       * bitmap.c: Likewise.
+       * builtins.c: Likewise.
+       * calls.c: Likewise.
+       * c-common.c: Likewise.
+       * c-decl.c: Likewise.
+       * c-dump.c: Likewise.
+       * c-lex.c: Likewise.
+       * collect2.c: Likewise.
+       * combine.c: Likewise.
+       * conflict.c: Likewise.
+       * cppfiles.c: Likewise.
+       * cppinit.c: Likewise.
+       * cpplex.c: Likewise.
+       * cpplib.c: Likewise.
+       * cppmacro.c: Likewise.
+       * cppspec.c: Likewise.
+       * c-pragma.c: Likewise.
+       * crtstuff.c: Likewise.
+       * cse.c: Likewise.
+       * cselib.c: Likewise.
+       * c-semantics.c: Likewise.
+       * c-typeck.c: Likewise.
+
+2001-08-01  H.J. Lu <hjl@gnu.org>
+
+       * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
+
+2001-08-01  H.J. Lu <hjl@gnu.org>
+
+       * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
+
+2001-08-01  Ziemowit Laski  <zlaski@apple.com>
+
+       * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
+       contextualizing Objective-C class name lookup by the lexer.
+       (typespec_reserved_nonattr): Disable ObjC class name lookup after
+       seeing a TYPESPEC.
+       (protocoldef): Add support for forward @protocol declarations.
+       (yylexname): Suppress ObjC class name lookup in certain contexts;
+       re-enable after lookup is complete.
+       (_yylex): Re-enable ObjC class name lookup when certain
+       punctuation marks are seen.
+
+       * objc/objc-act.c (check_protocol_recursively): New function used
+       for finding circular dependencies in protocols.
+       (objc_declare_protocols): New function for handling forward
+       @protocol declarations.
+       (receiver_is_class_object): Detect the case when 'self' is used
+       inside of a class method.
+       (build_message_expr): Issue a warning if class method is desired
+       but instance method is found instead.
+       (conforms_to_protocol): Streamline.
+       (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
+       protocol Foo, even if 'Bar foo' does not.
+       (check_protocols): Streamline.
+       (start_protocol): Add checks for circular and duplicate protocol
+       definitions.
+       (encode_aggregate_within): For typedefs of structs, encode the
+       underlying struct.
+       * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
+       (objc_declare_protocols): New prototype.
+
+2001-08-01  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
+       * cpplex.c (handle_newline): Update prototype.  Maintain logical
+       line number.
+       (skip_escaped_newlines, skip_block_comment, parse_string):
+       Update accordingly.
+       (_cpp_lex_token): Update, and store token position within the token.
+       * cpplib.h (struct cpp_token): Add line and column entries.
+       * cppmacro.c (replace_args): Position stringified tokens correctly.
+
+2001-08-01  Andreas Jaeger  <aj@suse.de>
+
+       * basic-block.h: Add prototype for last_loop_beg_note.
+
+2001-07-31  Alexandre Petit-Bianco  <apbianco@redhat.com>
+
+       * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
+       RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
+       comment.
+       (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
+       while handling WITH_CLEANUP_EXPR node. Use second operand calling
+       expand_decl_cleanup.
+       * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
+       the first RTX.
+       (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
+       operand while calling simple_cst_equal.
+       * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
+       operand is the cleanup expression, the third is the RTL_EXPR.
+       * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
+
+2001-07-31  Jeff Sturm  <jsturm@one-point.com>
+
+       * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
+
+2001-07-31  matthew green  <mrg@eterna.com.au>
+
+       * config.gcc (i386-*-netbsdelf): New description.
+       * config/i386/netbsd-elf.h: New file.
+
+2001-07-30  Geoffrey Keating  <geoffk@redhat.com>
+
+       * loop.c (check_dbra_loop): Use single_set to compute
+       jump_label.
+
+2001-07-31  Daniel Berlin  <dan@cgsoftware.com>
+
+       PowerPC reorg and support for powerpc64-*-linux*.
+
+       Also fixes emitting of constants on 32 bit and 64 bit
+       platforms.
+
+       * config.gcc: powerpc64-*-linux* is a new target.
+       Things that needed aix.h now also include xcoff.h
+
+       * config/rs6000/rs6000.h: Split XCOFF specific stuff into
+       xcoff.h.
+       Move AIX specific stuff into aix.h.
+       (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
+       with more than just XCOFF now.
+       (SET_ASM_OP): Remove, now defined where needed.
+       (FUNCTION_PROLOGUE): New macro definition.
+       (FUNCTION_EPILOGUE): New macro definition.
+       (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
+
+       * config/rs6000/xcoff.h: New file.
+
+       * config/rs6000/linux64.h: New file.
+
+       * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
+
+2001-07-31  Alan Modra  <amodra@bigpond.net.au>
+
+       * rs6000.c (print_operand_address): Handle ELF syntax.
+       (output_toc): Simplify.  Use DOUBLE_INT_ASM_OP.
+       * rs6000.md (load_toc_aix_di): Handle ELF syntax.
+       * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
+
+2001-07-31  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (rs6000_override_options): Only disable
+       flag_function_sections for XCOFF.
+       (exact_log2_cint_operand): New predicate.
+       (reg_or_{add,sub}_cint64_operand): New predicates.
+       (add_operand): Compare CONST_INT with fewer function calls.
+       (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
+       (print_operand, case 'p'): Ensure positive operand.
+       (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
+       * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
+       (PREDICATE_CODES): Add new predicates.
+       * rs6000.md (addsi3): Split 32-bit constants more correctly.
+       (divsi3, modsi3): Ensure positive power-of-2.
+       (adddi3): Use new predicate.  Split 32-bit constants more
+       correctly.  Re-arrange splitter to handle any constant.
+       (subdi3): Use new predicate.
+       (divdi3, moddi3): Ensure positive power-of-2.
+       (movdi): Use rs6000_emit_set_const.
+       (load_toc_v4_pic_di): Delete.
+
+2001-07-31  Graham Stott <grahams@redhat.com>
+
+       * function.c (pad_below): Revert 2001-07-26 patch.
+
+Tue Jul 31 15:37:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reg-stack (convert_regs_1): Fix best edge condition.
+
+Tue Jul 31 15:33:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (duplicate_loop_exit_test): Better test for jumps
+       entering the loop; create loop pre_header.
+
+2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
+
+       * doc/install.texi: Add s390 and s390x as new targets.
+       * doc/invoke.texi: Add documentation of S/390 and zSeries
+       target options.
+       * doc/md.texi: Add documentation of S/390 and zSeries constraints.
+
+2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
+
+       * config/m68k/m68k.md: Replace all general_operand with
+       nonimmediate_operand for all destinations.
+       * config/m68k/m68k.c (not_sp_operand): Likewise.
+
+Mon Jul 30 23:20:34 EDT 2001  John Wehle  (john@feith.com)
+
+       * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
+
+2001-07-30  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
+       * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
+
+2001-07-30  Roman Zippel  <zippel@linux-m68k.org>
+
+       * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
+       Add missing doc strings
+       * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
+       * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
+
+Mon Jul 30 22:16:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_output_main_function_alignment_hack): New function.
+       (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
+
+       * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
+       edges by EDGE_DFS_BACK flag.
+       (dump_edge_info): Add dfs_back flag.
+       * basic-block.h (EDGE_DFS_BACK): New constant.
+       (mark_dfs_back_edges): Declare.
+       * alias.c (loop_p): Remove.
+       (mark_constant_function): Use mark_dfs_back_edges.
+
+       * reg-stack.c (block_info_def): Add predecessors counter and stack_out.
+       (reg_to_stack): Call mark_dfs_back_edges; count the predecessors.
+       (compensate_edge): Break out from ...
+       (convert_regs_1): ... here; do smart choosing of stack_out to copy.
+       (convert_regs_2): Set block_done once block is really done;
+       Do updating of the predecessors counts.
+
+       * toplev.c (rest_of_compilation): Recompute block_for_insn
+       before post-reload cfg_cleanup.
+       * function.c (thread_prologue_epilogue_insns):
+       Call set_block_for_new_insns when emitting prologue directly.
+
+2001-07-30  Andreas Jaeger  <aj@suse.de>
+
+       * jump.c: Add prototype for mark_modified_reg.
+
+       * cse.c (set_live_p): Add unused attribute.
+
+       * gcov.c (calculate_branch_probs): Use gcov_type to avoid
+       overflow.
+       (scan_for_source_files): Use long for count to avoid overflow.
+       (output_data): Likewise.
+       (output_data): Don't use string concatatenation to silence gcc
+       -traditional.
+
+       * predict.c: Fix typos and grammar.
+
+       * gcse.c (insert_insn_end_bb): Remove unused variables.
+
+Mon Jul 30 21:54:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
+       (attempt_auto_inc): LIkewise.
+       (mark_used_reg): Likewise.
+       (try_pre_increment_1): Likewise.
+       * regclass.c (regclass): Likewise.
+       * global.c (allocno_compare): Update comment; change scaling factor.
+       * local-alloc.c (QTY_CMP_PRI): Likewise.
+       * regs.h (REG_FREQ_FROM_BB): New.
+       (REG_FREQ_MAX): Likewise.
+
+2001-07-30  H.J. Lu <hjl@gnu.org>
+
+       * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
+       -D_GNU_SOURCE.
+
+2001-07-30  H.J. Lu  (hjl@gnu.org)
+
+       * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
+       (ASM_DECLARE_FUNCTION_SIZE): Likewise.
+       (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
+
+2001-07-30  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
+       as -mthumb-interwork when -mcpu=arm7 is specified.
+
+Mon Jul 30 17:44:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def (noreturn, loop branch, loop exit): Mark as first
+       match heuristics.
+
+Mon Jul 30 12:52:11 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (try_combine): Avoid barrier after noop jumps.
+
+2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_reader): Remove import_warning.
+       * cpplib.c (skip_rest_of_line): Don't bother turning off
+       macro expansion.
+       (parse_include): Move include handling to...
+       (do_include_common): ... here.  Move import warning from...
+       (do_import): ... here.
+       (do_pragma_poison): Don't do a callback for poison identifiers.
+       * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
+       * cppmain.c (setup_callbacks): Similarly.
+
+Sun Jul 29 23:26:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
+       handle multiple sets.
+       * except.c (sjlj_mark_call_sites): .... here.
+       * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
+
+Sun Jul 29 21:38:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       Suggested by Richard Henderson and Richard Kenner:
+       * combine.c (recog_for_combine): Use the fake recog
+       only if instruction does not match.
+       * rtl.h (NOOP_MOVE_INSN_CODE): New.
+       * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
+
+       * combine.c (try_combine): Discover noop jump as direct jump.
+
+2001-07-29  Daniel Berlin  <dan@cgsoftware.com>
+
+       * df.c (df_rd_global_compute): Add successors to worklist, not
+       current item.
+       (df_ru_global_compute): Ditto.
+
+2001-07-27  Daniel Berlin  <dan@cgsoftware.com>
+
+       * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
+       increment REG_N_SETS.
+
+2001-07-26  Daniel Berlin  <dan@cgsoftware.com>
+
+       * sbitmap.h: New prototype for sbitmap_a_xor_b.
+
+       * sbitmap.c (sbitmap_a_xor_b): New function.
+       ifdef the basic block stuff on IN_GCC.
+
+2001-07-29  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cppexp.c (parse_defined): Always record the macro name.
+       (lex): Don't worry about identifiers, or special-case
+       CPP_NOT here.
+       (_cpp_parse_expr): Figure out at the end of the routine
+       whether we saw a valid !defined() expression.
+       * cppfiles.c (stack_include_file): Update for mi_valid.
+       (_cpp_pop_file_buffer): Similarly.
+       * cpplex.c (_cpp_lex_token): Similarly.
+       * cpphash.h (enum mi_state, enum mi_ind, mi_state,
+       mi_if_not_defined, mi_lexed): Remove.
+       (mi_valid): New.
+       * cpplib.c (do_if): Simplify.
+       (do_endif, push_conditional, _cpp_handle_directive): Update
+       for renaming of mi_state to mi_valid.
+doc:
+       * cpp.texi: Add index entries for digraphs, and add comment
+       that C++ refers to them as alternative tokens.
+
+Sun Jul 29 18:59:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (CLEANUP_PRE_LOOP): New.
+       * except.c (finish_eh_generation): Update call of cleanup_cfg.
+       * sibcall.c (optimize_sibling_calls): Likewise.
+       * toplev.c (rest_of_compilation): Likewise.
+       * flow.c (try_forward_edges): Take argument MODE;
+       do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
+       (try_optimize_cfg): Update call of try_forward_edges.
+
+Sun Jul 29 18:59:56 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
+                               Jan Hubicka  <jh@suse.cz>
+
+       * (validate_replace_rtx_1): Fix simplification of MINUS.
+
+2001-07-29  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       PR preprocessor/3669
+       * cppinit.c (init_dependency_output): Turn off dump requests
+       if sending dependencies to stdout.
+
+2001-07-28  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
+       not optimizing.
+
+2001-07-28  Golubev I. N.  <gin@mo.msk.ru>
+
+       * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
+
+2001-07-28  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
+       is VAR_DECL first to prevent an ICE.
+
+2001-07-28  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (immed_real_const_1): Don't elide special cases for
+       nested functions.
+       (clear_const_double_mem): Clear const_tiny_rtx too.
+
+2001-07-28  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (dw_val_class_offset): New.
+       (struct dw_ranges_struct, dw_ranges_ref): New.
+       (ranges_table, ranges_table_allocated): New.
+       (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
+       (add_AT_offset, add_ranges, output_ranges): New.
+       (print_die, output_die): Handle dw_val_class_offset.
+       (attr_checksum, size_of_die, value_format): Likewise.
+       (gen_lexical_block_die): Handle non-contiguous blocks.
+       (gen_block_die): Likewise.
+       (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
+       if needed.  Dump the ranges table.
+       * final.c (final_start_function): Remove unnecessary notes and
+       rebuild the block tree before numbering the blocks.
+       * function.c (reorder_blocks_0): Walk the existing block tree
+       to unmark all blocks.
+       (reorder_blocks_1): Create block fragments when duplicate block
+       notes are seen.
+       (reorder_fix_fragments): New.
+       (reorder_blocks): Call it.
+       * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
+
+2001-07-28  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (adjust_address): Make a copy of the memory address.
+
+2001-07-28  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (add_to_mem_set_list): New function.
+       (init_propagate_block_info): Use it.
+       (mark_set_1): Likewise.
+       (insn_dead_p): Canonicalize memory address for dead store
+       comparison.  Allow wider mode stores to kill narrower mode stores.
+       (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
+       (invalidate_mems_from_set): Don't handle MEMs.
+
+2001-07-28  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h: Fix formatting.
+
+Sat Jul 28 23:35:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (EDGE_FREQUENCY): New macro.
+       * bb-reorder (fixup_reorder_chain): Set counts and frequencies
+       for new BB/edges.
+       * flow.c (find_sub_basic_blocks): Likewise.
+       (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
+       (redirect_edge_and_branch): Use EDGE_FREQUENCY.
+
+       * predict.c (DEF_PREDICTOR): New argument FLAGS.
+       (HITRATE): New macro.
+       (PRED_FLAG_FIRST_MATCH): New constant.
+       (predictor_info): New field flgags.
+       (combine_predictions_for_insn): Use DS theory to combine
+       probabilities; set the edge probabilities when finished.
+       (estimate_probability): Avoid duplicated matches
+       of LOOP_BRANCH heuristics for nested loops; update comment.
+       * predict.def: Add flags for each prediction, set probabilities
+       according to B&L paper.
+       * predict.h (DEF_PREDICTOR): New argument FLAGS.
+
+       * profile.c (compute_branch_probabilities):  Cleanup way the edge
+       probabilities are computed and REG_BR_PROB notes are dropped; if
+       values does not match, emit error.
+       (init_branch_prob): Do error instead of warning when profile driven
+       feedback is missing or corrupt.
+
+2001-07-27  DJ Delorie  <dj@redhat.com>
+
+       * ifcvt.c (noce_get_alt_condition): If the condition is a compare
+       against a constant, try to adjust the compare to have the desired
+       constant in it so that min/max optimizations happen more often.
+
+Fri Jul 27 17:53:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (last_loop_beg_note): New function.
+       (redirect_edge_and_branch): Use it.
+       (split_edge): Likewise.
+
+       * alias.c (loop_p): Avoid uninitialized memory access.
+
+       * flow.c (try_forward_edges): Avoid accessing freed memory.
+
+       * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
+       variable access.
+
+2001-07-26  Andrew Haley  <aph@redhat.com>
+       Joern Rennecke <amylaar@redhat.com>
+
+       * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
+       (SUBTARGET_CPP_ENDIAN_SPEC): New.
+       (SUBTARGET_CPP_SPEC): New.
+       (CPP_SPEC): Remove.
+       * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
+       (SUBTARGET_CPP_PTR_SPEC): New.
+       (CPP_DEFAULT_CPU_SPEC): New.
+       (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
+       SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
+       (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
+       SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
+       (SUBTARGET_CPP_SPEC): Define as an empty string.
+
+2001-07-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Configuration): Properly link the host
+       specific instructions also when generating HTML.
+
+Fri Jul 27 00:33:35 EDT 2001  John Wehle  (john@feith.com)
+
+       * flow.c (redirect_edge_and_branch_force): Test
+       target->global_live_at_start.
+
+2001-07-26  Richard Henderson  <rth@redhat.com>
+
+       * simplify-rtx.c (avoid_constant_pool_reference): Export.
+       * rtl.h (avoid_constant_pool_reference): Declare it.
+       * dwarf2out.c (add_location_or_const_value_attribute): Use it.
+       (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
+
+Thu Jul 26 22:30:22 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtl.h (cleanup_barriers): Declare.
+       * jump.c (cleanup_barriers): New function.
+       * toplev.c (rest_of_compilation): Call cleanup_barriers
+       before loop optimizer and after bb_reorder.
+
+       * flow.c (back_edge_of_syntactic_loop_p): New.
+       (split_edge): Use it.
+
+2001-07-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * glimits.h (_MACH_MACHLIMITS_H_): Delete.
+
+Thu Jul 26 22:22:21 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * cse.c (cse_process_notes): Replace any registers if the address
+       remains valid.
+
+Thu Jul 26 14:04:03 EDT 2001  John Wehle  (john@feith.com)
+
+       * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
+       (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
+       (propagate_block): Update prototype.
+       * flow.c (update_life_info): Simplify the CFG and
+       recalculate the global regs which are alive when
+       removing dead code during a global update.
+       (propagate_block): Return nonzero if an INSN is
+       deleted.
+
+2001-07-26  Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+       * Makefile.in (LIBICONV): Define.
+
+2001-07-26  Catherine Moore  <clm@redhat.com>
+
+       * config/v850/v850.h (ENCODE_SECTION_INFO):  Change order
+       of conditional to avoid tree checking errors.
+
+2001-07-26  Kazu Hirata  <kazu@hxi.com>
+
+       * regmove.c (regmove_optimize): Don't replace a reg with
+       another reg of a different mode.
+
+2001-07-26  Andrew MacLeod  <amacleod@redhat.com>
+
+       * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
+       limit length of dependency flush list.
+       * params.h (MAX_PENDING_LIST_LENGTH): Define.
+       * sched-int.h  (struct deps): Add pending_flush_length field.
+       * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
+       has 1 element in it.
+       (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
+       (sched_analyze): After a jump, if the pending memory flush list is too
+       large, flush the pending lists.
+       (init_deps): Initialize pending_flush_length to 0.
+       * doc/invoke.texi (max_pending_list_length): Document parameter.
+
+2001-07-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
+       * dbxout.c (dbxout_global_decl): Move outside #ifdef.
+       * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
+
+2001-07-26  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cpphash.h (struct_lexer_state): Delete was_skipping.
+       Move skipping here from struct cpp_reader.
+       * cpplex.c (parse_identifier): Update.
+       (_cpp_lex_token): Don't skip tokens in a directive.
+       * cpplib.c (struct if_stack): Update.
+       (start_directive, end_directive): Don't change skipping state.
+       (_cpp_handle_directive): Update.
+       (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
+       (do_else, do_endif): Update; only check for excess tokens if not
+       in a skipped conditional block.
+       (push_conditional): Update for new struct if_stack.
+
+2001-07-26  Graham Stott  <grahams@redhat.com>
+
+       * function.c (locate_and_pad_parm): Also pad initial offset
+       so that the total argument size also includes the padding.
+
+2001-07-26  Graham Stott <grahams@redhat.com>
+
+       * gensupport.c (alter_output_for_insn): Correct enable checking failure
+       change XSTR to XTMPL.
+
+       (process_one_cond_exec): Likewise
+
+2001-07-25  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (assemble_variable): Create DECL_RTL before setting
+       TREE_ASM_WRITTEN.
+
+Thu Jul 26 00:19:30 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_probability): Avoid duplicated predictions.
+
+       * loop.c (find_and_verify_loops): Grok multiple barriers.
+
+Wed Jul 25 18:00:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
+
+       * dbxout.c: Consistently use putc instead of fputc.
+       (print_wide_int): New function; call instead of direct fprintf.
+       (dbxout_type_index): Adjust calls of CHARS to be more accurate.
+       (dbxout_type_fields, dbxout_type_method_1): Likewise.
+       (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
+       (print_int_cst_octal): Likewise.
+       (print_octal): Show we wrote characters.
+       (dbxout_type): Set have_used_extensions in more places.
+
+2001-07-25  Catherine Moore  <clm@redhat.com>
+
+       * config/v850/v850.c (v850_va_arg):  Use addr
+       instead of valist to build incr.
+
+Wed Jul 25 22:48:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (delete_dead_jumptables): New function.
+       (life_analyzis): Call it.
+       * bb-reorder.c (skip_insns_after_block): Handle contradictory
+       sequences.
+
+2001-07-25  Richard Henderson  <rth@redhat.com>
+
+       * except.c (reachable_handlers): Handle a region being removed
+       out from under a RESX.
+
+2001-07-25  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_emit_conditional_move): Always
+       swap GE/GT if it is an fp comparison.
+
+2001-07-25  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * alias.c (rtx_equal_for_memref_p): Allow strings as types in
+       operands.
+
+Wed Jul 25 08:25:01 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa.c (rename_insn_1): Do not wrap an assignment to a
+       paradoxical SUBREG inside a SEQUENCE.  Fix minor formatting
+       glitch.
+
+       * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
+       throw an exception.
+       (visit_expression): When attempting to simplify an expression,
+       retrieve any modes for arguments before they are simplified
+       to constants.
+
+2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
+           Janis Johnson  <janis@us.ibm.com>
+
+       * stmt.c (expand_goto): A nonlocal goto can be a call too.
+       * builtins.c (expand_builtin_longjmp): Reverse label and static chain
+       pointer parameters to match documented usage of nonlocal_goto.
+       * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
+       parameters to their correct order.
+       * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
+       parameters to their correct order.
+
+2001-07-25  Andrew MacLeod  <amacleod@redhat.com>
+
+       * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
+
+2001-07-25  Jan Hubicka  <jh@suse.cz>
+           Richard Henderson  <rth@redhat.com>
+
+       * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
+       the sequence.
+       (make_edges): New argument update_p; populate the edge cache if set.
+       (find_basic_blocks): Update make_edges invocation.
+
+2001-07-24  Joel Sherrill <joel@OARcorp.com>
+
+       * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
+
+2001-07-24  Joel Sherrill <joel@OARcorp.com>
+
+       * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
+       -Acpu and -Amachine.h.
+       * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
+       Corrected header to say ELF not a.out.
+       * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
+       when given -msoft-float.
+
+2001-07-24  Joel Sherrill <joel@OARcorp.com>
+
+       * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
+       extra multilib parts like arm-elf.
+       (i960-*-coff*, i960-*-rtems): Should not use collect2.
+       (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
+       crtfini.o as extra multilib parts.
+
+2001-07-24  Joel Sherrill <joel@OARcorp.com>
+
+       * configure.in: Add rtems as a supported thread model.
+       * gthr-rtems.h: Add missing entry point __gthread_active_p.
+       * configure: Rebuilt.
+
+2001-07-24  Lars Brinkhoff  <lars@nocrew.org>
+
+       * stor-layout.c (get_mode_alignment): make it work when
+       BITS_PER_UNIT is not a power of two.
+       * builtins.c (get_pointer_alignment): Likewise.
+
+2001-07-24  Richard Henderson  <rth@redhat.com>
+
+       * simplify-rtx.c (avoid_constant_pool_reference): Coerce
+       the retrieved constant into the expected mode.
+
+Wed Jul 25 01:41:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (try_simplify_condjump): Avoid duplicated edges.
+       (verify_flow_info): Check for duplicated edges; clarify
+       error reporting.
+
+       * flow.c (block_label): Update basic_block_for_insn.
+       (commit_edge_insertions): Call compute_bb_for_insn.
+
+       * flow.c (purge_dead_edges): Handle conditional jumps and conditional
+       returns too.
+
+       * flow.c (redirect_edge_and_branch,
+       try_optimize_cfg): Use redirect_edge_succ_nodup
+       (redirect_edge_succ_nodup): New.
+       * basic_block.h (redirect_edge_succ_nodup): Declare.
+
+       * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
+       after gcse.
+
+Wed Jul 25 00:32:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
+       (try_crossjump_to_edge): Update commetns.
+       (try_crossjump_bb): Likewise.
+
+2001-07-24  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (distribute_notes): Move set of need_refresh
+       for noop_move_p down to catch all cases.
+
+Tue Jul 24 20:32:44 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (split_all_insns_noflow): New.
+       * rtl.h (split_all_insns_noflow): Declare.
+       * ia64.c (ia64_reorg): Use split_all_insns_noflow.
+       * m68hc11.c (m68hc11_reorg): Likewise.
+       * sh.c (machine_dependent_reorg): Likewise.
+       * toplev.c (rest_of_compilation): Likewise for last split_all_insns
+       call.
+
+2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
+       (ashlsi3_n splitter): Likewise.
+       (lshrsi3_n splitter): Likewise.
+
+       (GOTaddr2picreg): Make const SImode.
+       (sym_label2reg): Likewise.
+       (symGOT2reg): Likewise.
+       (symGOTOFF2reg) Likewise.
+
+       (casesi_worker_0): Make unspec SImode.
+
+2001-07-18  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * config/sh/sh.c (barrier_align): Check that an operand really is
+       an insn before extracting its INSN_CODE.
+
+2001-07-24  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
+       dangling else.
+
+       * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
+       for SImode to prevent overflow.
+
+2001-07-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/mips/irix6-libc-compat.c: New file.
+       * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
+       * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
+       passing workaround.
+
+2001-07-24  lars brinkhoff  <lars@nocrew.org>
+
+       * rtl.texi (REG_POINTER): Document.
+       (Machine Modes): Document BImode, OImode, PQImode, PHImode,
+       QFmode, HFmode, TQFmode, QCmode, and HCmode.
+
+Tue Jul 24 10:49:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (delete_noop_moves): Do not confuse libcall regions.
+
+2001-07-23  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
+
+2001-07-23  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300-protos.h: Add a prototype for
+       general_operand_dst_push.
+       * config/h8300/h8300.c (general_operand_dst_push): New.
+       * config/h8300/h8300.h (OK_FOR_T): New.
+       (EXTRA_CONSTRAINT): Use it.
+       * config/h8300/h8300.md (movqi_push): Remove and integrate into
+       the existing movqi pattern.
+       (movhi_push): Likewise.
+
+       * reload.c: Fix comment typos.
+
+Mon Jul 23 23:34:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
+
+2001-07-23  H.J. Lu  (hjl@gnu.org)
+
+       * doc/extend.texi: Update __builtin_return_address and
+       __builtin_frame_address.
+
+2001-07-23  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
+       before CSE.
+       * config/i386/i386.md: New setcc+movzbl peephole2.
+
+2001-07-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * objc/Make-lang.in (objc-act.o): Depend on debug.h.
+       * objc/objc-act.c: Include debug.h.
+       (synth_module_prologue): Save and restore debug hooks too.
+
+2001-07-23  lars brinkhoff  <lars@nocrew.org>
+
+       * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
+       and C4X_FLOAT_FORMAT.
+       (BOOL_TYPE_SIZE): Document.
+
+Mon Jul 23 11:54:23 2001  Clinton Popetz  <cpopetz@cpopetz.com>
+
+       * unroll.c (loop_iterations): Fix miscalculation of initial
+       giv offset.
+
+2001-07-13  Andrew Haley  <aph@redhat.com>
+
+       * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
+       * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
+       * config/sh/sh.c (sh_can_redirect_branch): New function.
+       * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
+       * reorg.c (steal_delay_list_from_target): Use
+       MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
+
+Mon Jul 23 17:20:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (try_simplify_condjump): Unlink insn chain on
+       fallthru edge; use can_fallthru.
+
+Mon Jul 23 16:03:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (find_sub_basic_block): Declare.
+       * flow.c (make_edges): New arguments MIN and MAX;
+       (find_sub_basic_blocks): Revamp to use make_edges
+       and purge_dead_edges.
+       (find_basic_blocks): Update call of find_sub_basic_block.
+
+       * recog.c (split_all_insns): Always expect CFG to be consistent;
+       call find_sub_basic_blocks in case something has changed.
+       * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
+       has been built.
+
+       * basic-block.h (delete_noop_moves): Declare.
+       * combine.c (combine_instructions): Call it.
+       (recog_for_combine): Tolerate noop moves
+       (distribute_notes): Force refresh when register dies at noop move.
+       * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
+       too.
+       (life_analysis): Update delete_noop_moves call.
+       (set_noop_p): Move too ...
+       * rtlanal.c (noop_move_p): ... here.
+       * rtl.h (noop_move_p): Declare.
+
+       * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
+       * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
+       after combine.
+       * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
+       (cprop_jump): Likewise; call purge_dead_edges if substitution succeeded.
+
+2001-07-23  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       * reload.c (push_reload): Fix typo in comment.
+       (find_reloads_address): Ditto.
+       (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
+
+2001-07-22  Richard Henderson  <rth@redhat.com>
+
+       * flow.c: Grammar check and clarify a lot of comments.
+       (try_simplify_condjump): Rename variables to be clearer.
+       (try_forward_edges): Skip complex and fallthru edges.
+       Rearrange tests to avoid duplicate checks.
+       (flow_find_cross_jump): Likewise.
+       (outgoing_edges_match): Allow match if neither branch has
+       probability data.  Loosen probability match to 5%.
+       (try_crossjump_to_edge): Hoist repeated indirection into
+       local variables.
+       (try_crossjump_bb): Don't check complex edges.  Eliminate
+       redundant crossjump tests.
+       (try_optimize_cfg): Fix use of bool.  Reorganize cheaper
+       checks before more expensive checks.
+
+2001-07-22  Richard Henderson  <rth@redhat.com>
+
+       * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
+       INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
+       arguments.
+
+2001-07-22  Richard Henderson  <rth@redhat.com>
+
+       * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
+       (const_sint32_operand): Likewise.
+       * m68k.md (anon mulsi pattern): Use const_int_operand not
+       const_sint32_operand.
+       (umulsi3_highpart): Zero extend a constant input.
+       (smulsi3_highpart): Don't bother checking SImode constant.
+       (const_umulsi3_highpart): Give op3 DImode.
+       (const_smulsi3_highpart): Likewise.
+
+2001-07-22  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (split_block): Make sure bb_note is included in the
+       new block when splitting before a label.
+
+Sun Jul 22 23:28:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (redirect_edge_and_branch_force,
+       redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
+       * flow.c (redirect_edge_and_branch_force,
+       redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
+       (redirect_edge_and_branch_force): Fix copying of lifeness information.
+       (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
+       * ifcvt.c (dead_or_predictable): Take BB as an new destination
+       instead of label; update CFG after transformation.
+       (find_if_case_1): Update call, use redirect_edge_and_branch_force
+       for finishing the transformation; handle even case where ELSE
+       does not follow THEN.
+       (find_if_case_2): Update call of dead_or_predictable; simplify
+       CFG update.
+
+       * emit-rtl.c (split_branch_probability): New global variable.
+       (try_split): Take care to set split_branch_probability and
+       create REG_BR_PROB note for new jump insns.
+       * md.texi (define_split): Document new feature.
+
+       * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
+
+2001-07-22  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
+       (asm_out_file): Remove redundant declaration.
+       (assemble_asm): Remove old #if 0 block.
+       (assemble_variable): Remove end of function; debug output is
+       now handled with global_decl.  Remove old #if 0 block.  Update.
+       Remove saved_in_section and associated no-op code.
+       * Makefile.in (varasm.o): Correct dependencies.
+
+Sun Jul 22 17:55:11 2001  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
+       the definition in defaults.h.
+
+Sun Jul 22 21:31:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c: Update comments.
+       (delete_barrier_successors, delete_unreferenced_labels,
+       delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
+       delete_labelref_insn, redirect_tablejump, jump_optimize_1,
+       jump_optimize, jump_optimize_minimal): Kill.
+       (rebuild_jump_labels): Move code from jump_optimize_1.
+       (purge_line_number_notes): Likewise.
+       (copy_loop_headers): Likewise.
+       * reg-stack.c: Update comment.
+       * stmt.c: Likewise.
+       * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
+       JUMP_AFTER_REGSCAN): Kill.
+       * toplev.c (rest_of_compilation): Use cleanup_cfg, call
+       purge_line_number_notes and copy_loop_headers.
+
+2001-07-22 Neil Booth  <neil@daikokuya.demon.co.uk>
+          Richard Henderson  <rth@redhat.com>
+
+       * dbxout.c (dbxout_global_decl): New.
+       (xcoff_debug_hooks, dbx_debug_hooks): Use it.
+       * sdbout.c (sdbout_finish): New.
+       (sdbout_debug_hooks): Use it, add comments.
+       (sdbout_global_decl): Defer initialized public vars to
+       sdbout_finish.
+       * varasm.c (assemble_variable): Don't output debug information
+       for file-scope variables.
+
+2001-07-22  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (get_trap_mode_suffix): New.
+       (get_round_mode_suffix): New.
+       (print_operand): Use them for [/].  Remove support for [&'`()+].
+       * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
+       * config/alpha/alpha.md (attr round_suffix): New.
+       (attr trap_suffix): New.
+       (all insns): Set them appropriately.  Use %/ instead of the
+       myriad punctuators.
+
+2001-07-22  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
+
+2001-07-22  Richard Henderson  <rth@redhat.com>
+
+       * regrename.c (regrename_optimize): Compute nregs for each
+       potential target register.
+
+2001-07-21 Neil Booth  <neil@daikokuya.demon.co.uk>
+          Richard Henderson  <rth@redhat.com>
+
+       * dbxout.c (dbxout_global_decl): New.
+       (xcoff_debug_hooks, dbx_debug_hooks): Use it.
+       * sdbout.c (sdbout_finish): New.
+       (sdbout_debug_hooks): Use it, add comments.
+       (sdbout_global_decl): Defer initialized public vars to
+       sdbout_finish.
+       * varasm.c (assemble_variable): Don't output debug information
+       for file-scope variables.
+
+2001-07-21  H.J. Lu  (hjl@gnu.org)
+
+       * config/mips/mips.c (mips_cpu): Moved into ...
+       (override_options): Here.
+
+       * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
+       mips_tune.
+       (mips_cpu): Removed.
+
+2001-07-21  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
+       ("iorqi3"): Likewise.
+       ("xorqi3"): Likewise.
+       ("*addhi3"): Fix constraint to avoid reloading in a soft register.
+       ("*subhi3_sp): Likewise.
+       ("*subhi3"): Likewise.
+       ("extendhisi2"): Accept D, X and Y as source operand to avoid
+       reload problems.
+
+2001-07-21  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
+       * config/freebsd.h: Likewise.
+       * config/linux.h: Likewise.
+       * config/openbsd.h: Likewise.
+       * config/alpha/linux-elf.h: Likewise.
+       * config/arm/linux-elf.h: Likewise.
+       * config/d30v/d30v.h: Likewise.
+       * config/fr30/fr30.h: Likewise.
+       * config/ia64/aix.h: Likewise.
+       * config/ia64/ia64.h: Likewise.
+       * config/mips/linux.h: Likewise.
+       * config/pj/pj.h: Likewise.
+       * config/rs6000/linux.h: Likewise.
+       * config/sparc/linux.h: Likewise.
+       * config/sparc/linux64.h: Likewise.
+
+2001-07-20  Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
+       because getc() and char* may disagree on signedness.
+
+2001-07-20  Richard Henderson  <rth@redhat.com>
+
+       * doc/rtl.texi (REG_DEAD): Update for current semantics.
+
+       * flow.c (try_redirect_by_replacing_jump): Correctly compute which
+       insns to delete in the presence of cc0 in a jump insn.
+
+Fri Jul 20 22:14:49 CEST 2001  Roman Zippel  <zippel@linux-m68k.org>
+                               Jan Hubicka  <jh@suse.cz>
+
+       * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
+       of doing the change by hand.
+
+Fri Jul 20 21:59:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtlanal.c (set_noop_p): Return true for noop jumps.
+
+       * expr.c (emit_single_push_insn): Add call to push expander.
+       * expr.h (optab_index): Add OTI_push
+       (push_optab): New constant.
+       * genopinit.c (optabs): Add push_optab.
+       * optabs.c (init_optab): Init push optab.
+       * md.texi (push??1): Document
+
+2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
+       expand to emit the pattern; put a REG_INC note for push/pop
+       instructions.
+       ("movdf", "movdf_internal"): Likewise.
+       ("movsi", "movsi_internal"): Likewise.
+       ("movsf", "movsf_internal"): Likewise.
+       ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
+
+2001-07-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
+       gen_highpart.
+
+2001-07-20  Daniel Berlin  <dan@cgsoftware.com>
+
+       * params.def: Change default max inline insns to 100.
+
+2001-07-20  Diego Novillo  <dnovillo@redhat.com>
+
+       * combine.c (combine_simplify_rtx): Generate a new shift operation
+       when simplifying the first operand of a (neg (ashift)) expression.
+
+2001-07-20  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * regclass.c (N_REG_INTS): Use only 32 bits per element.
+
+2001-07-20  Kelley Cook  <kelley.cook@home.com>
+
+       * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
+       information.   Move rest into ...
+       (*-*-solaris): ... here.  Eliminate redundant information and
+       reword necessary packages section.  Delete 4.x assembler bug info.
+       (sparc-sun-*): Merge into ...
+       (sparc-sun-sunos*): here.
+
+2001-07-20  Catherine Moore  <clm@redhat.com>
+
+       * config/v850/v850.md (casesi): Generate LABEL_REF
+       with Pmode.
+
+Fri Jul 20 14:12:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
+       * i386.c (ix86_zero_extend_to_Pmode): Make global.
+       * i386.md (strclrsi expander): Use it.
+
+Fri Jul 20 13:24:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * integrate.c (copy_insn_list): handle
+       NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
+       (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
+       identically as to CODE_LABEL.
+
+       * fold-const (fold): Convert A/B/C to A/(B*C) and
+       A/(B/C) to (A/B)*C
+
+       * except.c (connect_post_landing_pads): Delete the RESX insns.
+
+2001-07-20  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
+
+       * config/mips/mips.md (nmadd/nmsub): Use macro.
+
+2001-07-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * cppinit.c (remove_dup_dir): Make static.
+       (remove_dup_dirs): Make static. Only warn about preempting a
+       system directory with a non-system directory.
+
+2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
+
+       * ifcvt.c (noce_try_store_flag_constants): Correct order
+       of parameters to trunc_int_for_mode.
+
+2001-07-19  Mark Mitchell  <mark@codesourcery.com>
+
+       * reorg.c (fill_simple_delay_slots): If an instruction might throw
+       an exception that will be caught within this function, do not fill
+       its delay slot with any subsequent instruction.
+
+2001-07-19  Steve Ellcey <sje@cup.hp.com>
+
+       * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
+       * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
+       pointer extension instruction.
+       * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
+       * simplify-rtx.c (simplify_unary_operation) Likewise.
+       * explow.c (convert_memory_address) Check value of
+       POINTERS_EXTEND_UNSIGNED to avoid some conversions when
+       less than zero.
+       * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
+       MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
+       * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
+       Add Multilib Support.
+       (POINTERS_EXTEND_UNSIGNED)  Define for ILP32 support.
+       * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
+       Add Multilib Support.
+       (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
+       support.
+       * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
+       * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
+       a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
+
+2001-07-19  Alexandre Oliva  <aoliva@redhat.com>
+
+       * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
+       old and new operands in `<', `3' and `b'.
+
+2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
+       (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
+       (toplev.o): Don't depend on xcoffout.h.
+       * c-decl.c: Include debug.h
+       (duplicate_decls): Use debug hook.
+       * dbxout.c (dbxout_source_file, dbxout_args): Make static.
+       (dbx_debug_hooks, xcoff_debug_hooks): Update.
+       (dbxout_types): Remove.
+       * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
+       * debug.c (do_nothing_debug_hooks): Update.
+       (debug_true_tree, debug_nothing_rtx): New.
+       * debug.h (struct rtx_def): New.
+       (struct gcc_debug_hooks): New hooks ignore_block,
+       outlining_inline_function and label.
+       (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
+       dwarf2out_frame_finish): New.
+       * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
+       Make static, update prototype.
+       (dwarf2_debug_hooks): Update.
+       * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
+       dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
+       * dwarfout.c (dwarf_debug_hooks): Update.
+       * emit-rtl.c: Include debug.h.
+       (remove_unnecessary_notes): Use debug hook.
+       * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
+       (final_scan_insn): Use debug hook.
+       * integrate.c (output_inline_function): Use debug hook.
+       * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
+       (sdb_debug_hooks): Update.
+       * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
+       * toplev.c: Don't include xcoffout.h.
+       (note_outlining_of_inline_function, debug_ignore_block): Remove.
+       * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
+       Remove.
+       * tree.h (dwarf2out_do_frame): Remove.
+
+2001-07-19  Catherine Moore  <clm@cygnus.com>
+
+       * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
+
+2001-07-19  Geoffrey Keating  <geoffk@redhat.com>
+
+       * reload1.c (eliminate_regs_in_insn): When updating a set
+       to the frame pointer to the hardware frame pointer, perform
+       the update always not just when REPLACE is set.
+
+       * reload1.c (choose_reload_regs): Don't inherit a reload
+       that crosses multiple registers if registers past the first
+       don't fit in the desired class.
+
+       * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
+       when negating constants.
+
+2001-07-19  Toon Moene  <toon@moene.indiv.nluug.nl>
+
+       * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
+       * doc/tree.texi: Ditto.
+
+2001-07-19  Mark Kettenis  <kettenis@wins.uva.nl>
+           Jakub Jelinek  <jakub@redhat.com>
+
+       * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
+       (extract_cie_info): Handle "eh" augmentation properly,
+       remember eh_ptr.
+       (struct frame_state, __frame_state_for): New.
+
+2001-07-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
+       HANDLE_SYSV_PRAGMA): Define.
+       * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
+       previous args.
+       (copy_object): Caller changed.
+
+2001-07-19  Andreas Schwab  <schwab@suse.de>
+
+       * configure.in (assembler dwarf2 debug_line support): Define nop
+       insn for m68k.
+       * configure: Regenerated.
+
+2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
+       dwarfout.h.
+       * dbxout.c (dbxout_function): Rename dbxout_function_decl, move
+       to conditionally compiled block.
+       (dbx_debug_hooks, xcoff_debug_hooks): Update.
+       * dbxout.h (dbxout_function): Remove.
+       * debug.c (do_nothing_debug_hooks): Update.
+       * debug.h (struct gcc_debug_hooks): New hooks function_decl,
+       global_decl, deferred_inline_function.
+       * dwarf2out.c (dwarf2_debug_hooks): Update.
+       (dwarf2out_global_decl): New.
+       * dwarfout.c: Don't include dwarfout.h.
+       (dwarfout_global_decl, dwarfout_function_decl,
+       dwarfout_deferred_inline_function): New.
+       (dwarf_debug_hooks): Update.
+       * dwarfout.h: Remove.
+       * final.c: Don't include dwarfout.h.
+       * sdbout.c (sdbout_global_decl): New.
+       (sdbout_debug_hooks): Update.
+       * toplev.c: Don't include dwarfout.h.
+       (check_global_declarations, rest_of_compilation): Use new debug hooks.
+       (note_deferral_of_defined_inline_function): Remove.
+       * toplev.h (note_deferral_of_defined_inline_function): Remove.
+       * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
+       * ch/lex.c: Don't include dwarfout.h.
+       * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
+       (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
+       * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
+       * cp/optimize.c: Include debug.h.
+       (maybe_clone_body): Use debug hook.
+       * cp/semantics.c: Include debug.h.
+       (expand_body): Use debug hook.
+       * po/POTFILES.in: Remove dwarfout.h.
+
+2001-07-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
+       * c-parse.in (yyerror, _yylex): Similarly.
+       * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
+       Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
+       Update comments.
+       * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
+       * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
+
+2001-07-18  Jeff Sturm  <jsturm@one-point.com>
+
+       * dwarf2out.c (dwarf2out_abstract_function): Don't emit
+       in-class declaration at -g1.  Fixes c++/2814.
+
+2001-07-18  Richard Henderson  <rth@redhat.com>
+
+       * doc/md.texi (reload_in/out): Document restrictions in predicates
+       and constraints for these patterns.  Document empty string matching
+       ALL_REGS.
+
+2001-07-18  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
+
+Wed Jul 18 20:47:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cse.c: Undo my previous patch.
+
+2001-07-18  Tom Tromey  <tromey@redhat.com>
+
+       For PR java/2812:
+       * configure: Rebuilt.
+       * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
+       instead.
+       * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
+
+Wed Jul 18 18:46:30 CEST 2001  Richard Henderson <rth@cygnus.com>
+                               Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (redirect_edge_and_branch): Bail out on complex edges.
+       (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
+       * jump.c (mark_jump_label): Do not forward branches.
+
+Wed Jul 18 18:35:01 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cse.c (delete_trivially_dead_insns): Delete the libcall block
+       when return value is unused.
+
+Wed Jul 18 18:28:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
+
+Wed Jul 18 12:05:29 2001  Nicola Pero  <n.pero@mi.flashnet.it>
+
+       * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
+       on error.  We can't blindly return the result of
+       pthread_mutex_trylock because it returns a positive number on
+       error, while we must return -1 on error.
+       (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
+       fixes.
+       Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
+
+2001-07-18  Andreas Jaeger  <aj@suse.de>
+
+       * integrate.c (output_inline_function): Correct type of debug_hooks.
+
+2001-07-18  Toon Moene  <toon@moene.indiv.nluug.nl>
+
+       * combine.c (combine_simplify_rtx): DIV can be treated
+       associatively for floats if unsafe math optimisations are enabled.
+
+2001-07-17  Richard Henderson  <rth@redhat.com>
+
+       * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
+
+2001-07-17  Richard Henderson  <rth@redhat.com>
+
+       * calls.c (prepare_call_address): New parameter SIBCALLP.  If true,
+       don't force the function address into a register.
+       (expand_call, emit_library_call_value_1): Update callers.
+       * builtins.c (expand_builtin_apply): Likewise.
+       * expr.h (prepare_call_address): Update decl.
+
+2001-07-17  Chandrakala Chavva  <cchavva@redhat.com>
+
+       * config.gcc: For *-*-chorusos triplet, get chorus.h file from
+       config directory.
+       * config/i386/chorus.h: Move up.
+       * config/sparc/chorus.h: Likewise.
+       * config/rs6000/chorus.h: Likewise.
+       * config/chorus.h: Moved here.
+
+2001-07-17  Andreas Schwab  <schwab@suse.de>
+
+       * configure.in  (assembler eh_frame optimization): Handle big
+       endian.
+       * configure: Regenerated.
+
+Tue Jul 17 23:43:31 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * expr.c (epxand_expr): Convert divisions into multiplications by
+       reciprocals if -ffast-math.
+
+2001-07-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * dbxout.c (dbxout_really_begin_function): Rename to
+       dbxout_begin_function.
+       (dbx_debug_hooks, xcoff_debug_hooks): Update.
+       (dbxout_begin_function): Remove.
+       (dbxout_function): Update.
+       (dbxout_source_line): Update prototype.
+       * dbxout.h (dbxout_begin_function): Remove.
+       * debug.c (do_nothing_debug_hooks): Update.
+       (debug_nothing_tree): Update.
+       (debug_nothing_charstar_rtx): Remove.
+       * debug.h (union tree_node): Declare.
+       (struct rtx_def): Remove.
+       (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
+       begin_function.  Change source_line prototype.
+       (debug_nothing_tree): New.
+       (debug_nothing_charstar_rtx): Delete.
+       (dwarf2out_begin_prologue): Moved from ...
+       * tree.h: ... here.
+       * dwarf2out.c (dwarf2_debug_hooks): Update.
+       (dwarf2out_begin_prologue): Update prototype.  If genuine dwarf2
+       debug info, call dwarf2out_source_line.
+       (dwarf2out_souce_line): Update prototype.
+       * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
+       Change prototype, make static.
+       (dwarfout_source_line): Update prototype.
+       (dwarf_debug_hooks): Update.
+       * dwarfout.h (dwarfout_begin_function): Remove.
+       * final.c (final_start_function, final_scan_insn): Use appropriate
+       debug hooks, update to use notice_source_line.
+       (output_source_line): Rename notice_source_line.  Don't call the
+       source_line debug hook.
+       * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
+       make static, update prototype.
+       (sdbout_mark_begin_function): Rename sdbout_begin_function, update
+       prototype.
+       (sdbout_end_prologue): New.
+       (sdbout_source_line): Update prototype.
+       (sdbout_debug_hooks): Update.
+       (sdbout_symbol): Remove unused var.
+       * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
+       Delete.
+       * varasm.c: Include debug.h.
+       (assemble_start_function): Use begin_function debug_hook.
+       * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
+       update with prototype.
+       (xcoffout_source_line): Update prototype.
+       * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
+       update prototype.
+       (xcoffout_source_line): Update prototype.
+
+2001-07-17  Richard Henderson  <rth@redhat.com>
+
+       * c-typeck.c (build_binary_op): Do not shorten unsigned
+       right shift after sign extension.
+
+Tue Jul 17 16:56:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (combine_simplify_rtx): Attempt to simplify
+       a*(b/c) as (a*b)/c for floats in unsafe_math mode.
+
+       * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
+       (simplify_binary_operation, simplify_unary_operation,
+        simplify_relational_operation): Use it.
+
+       * combine.c (combine_simplify_rtx): Don't do associative law
+       on divisions; allow associative law on floats.
+
+2001-07-17  H.J. Lu <hjl@gnu.org>
+           Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+       * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
+       ASM_OUTPUT_WEAK_ALIAS are defined.
+       * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
+       * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
+       Moved ...
+       * config/mips/iris5.h: ... here.
+       (HANDLE_SYSV_PRAGMA): Defined as 1.
+       * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
+       * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
+       symbol.
+
+2001-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in (all_prefix_attributes): New variable.
+       (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
+       (maybe_resetattrs): New production.
+       (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
+       maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
+       notype_initdcl, nested_function, notype_nested_function,
+       component_decl, components, components_notype,
+       component_declarator, component_notype_declarator,
+       absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
+       ivars, mydecl, myparm): Update.  Avoid prefix attributes just
+       after a comma being applied to more than one declarator.
+       * doc/extend.texi (Attribute Syntax): Update.  Remove
+       documentation of bugs that are no longer present.
+
+2001-07-13  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.h: Change TUNE_MIPS* options to use
+       mips_tune.
+       (EXTRA_SPECS): Add cc1_cpu_spec.
+       * config/mips/mips.md (muldf3): Fix typo.
+
+2001-07-16  Richard Henderson  <rth@redhat.com>
+
+       * config/m68k/m68k.c: Include expr.h and reload.h.
+       (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
+       [general int]: Use HOST_WIDE_INT_PRINT_DEC.
+
+2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
+           Richard Henderson  <rth@redhat.com>
+
+       * cse.c (set_live_p): Take INSN argument for cc0; update callers.
+       (insn_live_p): Fix fall off end of function.
+       (dead_libcall_p): Remove COUNTS argument; update callers.
+       (delete_trivially_dead_insns): Remove unused variables.
+
+2001-07-17  Andreas Jaeger  <aj@suse.de>
+
+       * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
+       x86-64 pic support.
+
+       * lcm.c (optimize_mode_switching): Avoid warning for unused
+       variable if !NORMAL_MODE.
+
+       * flow.c (try_crossjump_to_edge): Remove unused variable.
+
+2001-07-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
+       atexit declaration in stdlib.h.
+
+2001-07-16  Richard Begg  <Richard.Begg@colesmyer.com.au>
+
+       * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
+
+Mon Jul 16 22:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
+       * except.c (finish_eh_generation): Update call of cleanup_cfg;
+       do rebuild_jump_labels instead of jump_optimize
+       * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
+       * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
+       * flow.c (try_optimize_cfg): Remove unneeded code_labels.
+
+       * flow.c: Include timevar.h
+       (find_basic_block): Push/pop timevar;
+       (cleanup_cfg): Likewise.
+       * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
+       * Makefile: Add dependencies on timevar.h
+
+       * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
+       (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
+
+       * rtl.h (delete_trivially_dead_insns): Add new parameter.
+       * toplev.c (rest_of_compilation): Update calls.
+       * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
+       (delete_trivially_dead_insns): ... here; accept new argument
+       preserve_basic_blocks; preserve basic blocks if set.
+
+       * reg-stack.c (stack_regs_mentioned): Return 0 if
+       stack_regs_mentioned_data is not initialized.
+       (reg_to_stack): Make stack_regs_mentioned survive after the
+       reg-stack is completted; do not call cleanup_cfg.
+       * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
+       make cleanup_cfg after bb-reorder to output to debug file.
+
+2001-07-16  Richard Henderson  <rth@redhat.com>
+
+       * regclass.c (init_reg_sets): Use only 32 bits per initializer
+       from int_reg_class_contents.
+
+2001-07-16  Richard Henderson  <rth@redhat.com>
+
+       * hard-reg-set.h (regs_invalidated_by_call): Declare.
+       * regclass.c (regs_invalidated_by_call): Move from cse.c.
+       (init_reg_sets_1): Move initialization from cse_main.
+       * cse.c (regs_invalidated_by_call): Move to regclass.c.
+       (cse_main): Move its initialization also.
+       * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
+       * flow.c (propagate_one_insn): Likewise.
+       * gcse.c (compute_hash_table): Likewise.
+       (compute_kill_rd, compute_store_table): Likewise.
+       * sched-deps.c (sched_analyze_1): Likewise.
+
+Mon Jul 16 18:07:07 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
+       gen_rtx_SET.
+
+2001-07-16  Steve Ellcey <sje@cup.hp.com>
+
+       * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
+       in if statement so we don't access undefined memory.
+
+2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
+
+       * gcse.c: Update comment at top.
+       Update comment on mem handling.
+       mem_last_set, mem_first_set, mem_set_in_block: gone.
+       Declaration of reg_set_info: gone.
+       (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
+       pointless with load_killed_in_block_p (they are *more*
+       conservative then it, not less, and less accurate).
+       (oprs_not_set_p): Ditto.
+       (alloc_gcse_mem): Don't allocate mem_set_in_block
+       (free_gcse_mem): Don't free it, either.
+       (record_last_mem_set_info): Update comment in front, remove
+       mem_*set_* stuff. Note the reason we don't handle stores directly
+       here.
+       (compute_hash_table): Update comments to reflect reality. Remove
+       mem_*set_* references.
+       (reset_opr_set_tables): Remove mem_*set_* references.
+       (mark_call): Ditto.
+       (mark_set): Ditto.  Also remove double sets of bitmaps for REG's.
+       (mark_clobber): Ditto (on both parts, we double set here too).
+       (expr_killed_p): Remove mem_set_in_block test.
+       (compute_transp): Remove mem_set_in_block test.
+
+       * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
+       of edge, and removal of phi alternative to dump file.
+       (ssa_ccp_substitute_constants): Add note about register now being
+       constant, and which uses were replaced in what insns to dump file.
+
+2001-07-16  Andreas Jaeger  <aj@suse.de>
+
+       * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
+       variables of type HOST_WIDEST_INT.
+
+       * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
+       (__bb_exit_func): Correct type of count_max to avoid overflow.
+       (num_digits): Handle long long argument.
+
+       * combine.c (gen_lowpart_for_combine): Remove unused variable.
+
+2001-07-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * output.h (sdb_begin_function_line): Restore as an extern
+       variable.
+       * sdbout.c (sdb_begin_function_line): Make extern.
+
+2001-07-15  Richard Henderson  <rth@redhat.com>
+
+       * machmode.def (Pmode): Redefine if GENERATOR_FILE.
+       * genrecog.c (maybe_both_true_mode): New.
+       (maybe_both_true_2): Use it.
+       (write_switch): Don't put Pmode in a switch.
+       * rtl.c (mode arrays): Don't explicitly size them.
+
+Sun Jul 15 14:07:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * toplev.c (rest_of_compilation): Fix register_life_up_to_date
+       handling; move unconditional splitting before mode switching.
+
+       * i386.md (type): Add fistp type.
+       (i387, length_attr, scheduling definitions): Handle this type.
+       (fix_trunc?f?i2): Revamp to use mode switching.
+       (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
+       * i386.h (fp_cw_mode): New enum
+       (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
+       MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
+
+Sun Jul 15 12:53:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * Makefile.in (integrate.o): Add debug.h.
+       * integrate.c (debug.h): Add.
+       (output_inline_function): Save, reset, and restore debug_hooks.
+
+2001-07-15  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
+       instead of COMPARE for the EQUIV expression.
+
+2001-07-15  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (redirect_edge_and_branch_force): Initialize
+       global_live_at_start and global_live_at_end.
+       (allocate_bb_life_data): Export.
+       * basic-block.h (allocate_bb_life_data): Declare.
+       * toplev.c (rest_of_compilation): Call it.
+
+2001-07-15  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
+       (alpha_tablejump_best_label): New.
+       * config/alpha/alpha-protos.h: Declare them.
+       * config/alpha/alpha.md: Use braced strings for code blocks.
+       (tablejump_osf): Break out add with r29.
+       (tablejump_osf_internal): Remove.
+       (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
+       use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
+
+Sun Jul 15 00:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
+       of the movable.
+
+       * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
+
+       * i386-protos.h (ix86_split_fp_branch): Update prototype.
+       (ix86_fp_jump_nontrivial_p): New.
+       * i386.md (fp_jcc_?): Update call of split_fp_branch;
+       use ix86_fp_jump_nontrivial_p.
+       * i386.c (ix86_fp_jump_nontrivial_p): New.
+       (ix86_split_fp_branch): Accept code instead of rtx.
+       (ix86_expand_compare): Expand comparison early in case
+       doing so is resonably cheap.
+
+2001-07-15  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
+       not 'machine'.
+       (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
+       (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
+
+2001-07-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * dbxout.c (dbxout_source_line): Make static, update prototype.
+       (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
+       (dbxout_init, dbxout_finish, dbxout_source_line,
+       dbxout_begin_block, dbxout_end_block): Update for new prototypes.
+       * dbxout.h (dbxout_source_line): Delete.
+       * debug.c (debug_nothing_file, debug_nothing_file_int,
+       debug_nothing_file_charstar_rtx): New.
+       (do_nothing_debug_hooks): Update.
+       (debug_nothing_void, debug_nothing_charstar_rtx,
+       dwarf2out_end_epilogue): New.
+       (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
+       * debug.h (struct rtx_def): Declare.
+       (gcc_debug_hooks): New hooks source_line, end_epilogue
+       and end_function.
+       (debug_nothing_void, debug_nothing_charstar_rtx,
+       dwarf2out_end_epilogue): New.
+       (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
+       * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
+       (dwarf2_debug_hooks): Update.
+       (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
+       dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
+       * dwarf2out.h (dwarf2out_source_line): Remove.
+       * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
+       Make static, update prototype.
+       (dwarfout_init, dwarfout_finish, dwarfout_source_line,
+       dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
+       (dwarf_debug_hooks): Update.
+       * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
+       dwarfout_end_function): Remove.
+       * final.c (profile_function): Use debug hooks for ending functions
+       and epilogues.
+       (output_source_line, final_end_function): Update prototype,
+       use debug hooks.
+       (final_start_function, final_scan_insn): Update.
+       * output.h (sdb_begin_function_line): Remove.
+       (final_end_function): Update prototype.
+       * sdbout.c (sdb_begin_function_line): Make static.
+       (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
+       (sdbout_source_line): New.
+       (sdbout_end_epilogue, sdbout_end_function): Make static, update
+       prototypes.
+       (sdb_debug_hooks): Update.
+       (sdbout_init, sdbout_source_line,
+       sdbout_begin_block, sdbout_end_block): Update for new prototypes.
+       * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
+       * toplev.c (compile_file, rest_of_compilation): Update.
+       * tree.h (dwarf2out_end_epilogue): Move to debug.h.
+       * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
+       xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
+       Update for prototype changes.
+       * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
+       xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
+
+2001-07-15  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.h (TARGET_ABI_OSF): New.
+       (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
+       * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
+       * config/alpha/alpha.c: Likewise.
+       * config/alpha/alpha.md: Likewise.
+       * config/alpha/alpha32.h: Likewise.
+       * config/alpha/vms.h: Likewise.
+       (OPEN_VMS): Remove.
+
+2001-07-14  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md: Use define_constants for unspec values.
+       Substitute throughout.
+
+2001-07-14  Tim Josling  <tej@melbpc.org.au>
+
+       * tree.def (EXPON_EXPR) remove. Never supported anyway.
+
+2001-07-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.md: Remove unused constraints from define_split's.
+
+2001-04-14  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (find_cond_trap): Test for exit block.
+
+Sun Jul 15 00:50:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       Re-install recently reverted patch.
+       * emit-rtl.c (try_split): Update mark_jump_label call.
+       * flow.c (find_sub_basic_blocks): Likewise.
+       * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
+       jump_back_p): Kill.
+       (mark_all_labels): Kill second parameter.
+       (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
+       (rebuild_jump_labels, jump_optimize_minimal): Update call
+       of jump_optimize_1.
+       (jump_optimize_1): Kill crossjumping code.
+       (mark_jump_label): Kill cross_jump parameter.
+       * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
+       (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
+       * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
+        splitting.
+       * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
+       DFI_bpro.
+       (dump_file_info): Likewise.
+       (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
+       reorganize passes to do reg-stack first, bb-reorder second.
+       * invoke.texi (-d letters doc): Remove the jump2 pass.
+
+2001-07-14  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (find_cond_trap): New.
+       (find_if_header): Call it.
+       (merge_if_block): Relax existing jump sanity check.
+       * jump.c (jump_optimize_1): Remove conditional trap handling.
+
+2001-07-14  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
+       millicode.
+       (insn_refs_are_delayed): Correct comment.
+       * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
+       * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
+       instead of r31.  Make associated insn !TARGET_64BIT, and
+       provide an additional 64-bit insn that clobbers r2.
+       (divsi3): Likewise.
+       (udivsi3): Likewise.
+       (modsi3): Likewise.
+       (umodsi3): Likewise.
+
+Sat Jul 14 02:58:38 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
+
+       * flow.c (redirect_edge_and_branch_force, split_edge,
+       try_crossjump_to_edge): Use set_block_for_new_insns.
+       * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
+
+2001-07-13  H.J. Lu  (hjl@gnu.org)
+
+       * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
+       the correct patch.
+
+2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
+
+       Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
+
+2001-07-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (decl_attributes): Take a pointer to the node to
+       which attributes are to be attached, and a flags argument.
+       * c-common.h (enum attribute_flags): New.
+       (decl_attributes): Update prototype.
+       * c-decl.c (start_decl, push_parm_decl, finish_struct,
+       finish_enum, start_function): Update calls to decl_attributes.
+       * c-parse.in (component_declarator, component_notype_declarator,
+       label): Update calls to decl_attributes.
+
+Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
+       * config/avr/avr.c (legitimate_address_p): Return value changed
+       from letter to register classes. For better debugging.
+
+2001-07-13  Kazu Hirata  <kazu@hxi.com>
+
+       * jump.c (reversed_comparison_code_parts): Fix comment typos.
+
+2001-07-13  H.J. Lu  (hjl@gnu.org)
+
+       * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
+
+2001-07-13  Marc Espie  <espie@cvs.openbsd.org>
+
+       * config.gcc (*-*-openbsd*):  Add fragment to compile libgcc
+       correctly for shared configurations.
+       * config/t-libgcc-pic:  New.
+       * config/{i386,m68k,sparc}/t-openbsd:  New.
+       * config/openbsd.h:  Include cpu_spec in cpp_spec where needed.
+       Support -shared.  Support debugging libraries with -g.
+       * config/i386/openbsd.h:  Correct ASM_COMMENT_START.  Ensure dwarf2
+       frame information does not emit pointer diffs.
+       * config/sparc/openbsd.h:  Ensure dwarf2 frame information does not
+       emit pointer diffs.
+
+2001-07-13  Geoffrey Keating  <geoffk@redhat.com>
+
+       Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
+
+2001-07-13  David Edelsohn  <edelsohn@gnu.org>
+
+       * combine.c (try_combine): Ensure const_int pow2 is positive.
+
+2001-07-13  Hartmut Penner  <hpenner@de.ibm.com>
+
+       * config.gcc: Add configuration for s/390.
+       * config/s390/s390.c: New. Subroutines for code generation.
+       * config/s390/s390.h: New. Definitions for s/390.
+       * config/s390/s390-protos.h: New. Prototypes.
+       * config/s390/linux.h: New. Definitions for linux for s/390.
+       * config/s390/linux64.h: New. Definitions for linux for zSeries.
+       * config/s390/t-linux: New. Makefile fragment.
+       * config/s390/s390.md: New. Machine description for s/390 and zSeries.
+       * config/s390/fixdfdi.h: New. Fix L_fix*di.
+
+Fri Jul 13 14:46:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * emit-rtl.c (try_split): Update mark_jump_label call.
+       * flow.c (find_sub_basic_blocks): Likewise.
+       * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
+       jump_back_p): Kill.
+       (mark_all_labels): Kill second parameter.
+       (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
+       (rebuild_jump_labels, jump_optimize_minimal): Update call
+       of jump_optimize_1.
+       (jump_optimize_1): Kill crossjumping code.
+       (mark_jump_label): Kill cross_jump parameter.
+       * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
+       (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
+       * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
+        splitting.
+       * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
+       DFI_bpro.
+       (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
+       reorganize passes to do reg-stack first, bb-reorder second.
+       * invoke.texi (-d letters doc): Remove the jump2 pass.
+
+2001-07-12  Steve Ellcey <sje@cup.hp.com>
+
+       * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
+
+Thu Jul 12 17:57:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
+       basic blocks.
+       (verify_flow_info): Make diagnostics prettier.
+
+Thu Jul 12 16:48:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (find_basic_blocks_1): Do not emit NOP after call.
+
+       * flow.c (outgoing_edges_match): Return early if condition reversal
+       failed.
+
+2001-07-06  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
+       (mips_move_2words): When splitting a move into two instructions,
+       prefix the second address operand with '%D'.
+
+2001-07-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (final.o): Depend on debug.h.
+       * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
+       (dbx_debug_hooks): Add new hooks.
+       (xcoff_debug_hooks): New.
+       * debug.c (debug_nothing_file_int_int): New.
+       (do_nothing_debug_hooks): Update.
+       * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
+       (debug_nothing_file_int_int): New.
+       * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
+       static, update prototype.
+       (dwarf2_debug_hooks): Update.
+       * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
+       * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
+       static, update prototype.
+       (dwarf_debug_hooks): Update.
+       * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
+       * final.c: Include debug.h.
+       (final_scan_insn): Use debug hooks when beginning and ending blocks.
+       * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
+       static, update prototype.
+       (sdb_debug_hooks): Update.
+       * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
+       * toplev.c: Distinguish between xcoff and dbx.
+
+       * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
+       Call all debug hooks, not just dwarf ones.
+
+2001-07-11  Timothy Wall  <twall@redhat.com>
+
+       * config.gcc: Add configuration for AIX5/IA64.
+       * config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
+       * config/ia64/crt[in].asm: New.  Generic static ctor/dtor
+       support prefix/suffix code.
+       * config/ia64/t-aix: New.  Makefile fragment.
+       * config/ia64/unwind-aix.c: New.  Unwind table entry lookup.
+
+2001-07-11  Kazu Hirata  <kazu@hxi.com>
+
+       * recog.c (validate_change): Fix a comment typo.
+
+2001-07-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
+       * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
+       hooks directly.
+       * dbxout.c (dbx_debug_hooks): Add new hooks.
+       (dbxout_start_new_source_file): Rename dbxout_start_source_file,
+       make static.
+       (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
+       make static.
+       * dbxout.h (dbxout_start_new_source_file,
+       dbxout_resume_previous_source_file): Delete.
+       * debug.c (do_nothing_debug_hooks): Add new hooks.
+       (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
+       (debug_nothing_int_charstar, debug_nothing_int): New.
+       * debug.h (gcc_debug_hooks): New hooks define, undef,
+       start_source_file and end_source_file.
+       (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
+       (debug_nothing_int_charstar, debug_nothing_int): New.
+       * dwarf2out.c (dwarf2_debug_hooks): Add new hooks.  Move into
+       the conditionally compiled section.
+       (dwarf2out_start_source_file, dwarf2out_end_source_file,
+       dwarf2out_define, dwarf2out_undef): Make static.
+       * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
+       dwarf2out_define, dwarf2out_undef): Remove.
+       * dwarfout.c (dwarf_debug_hooks): Add new hooks.
+       (dwarfout_start_source_file, dwarfout_end_source_file,
+       dwarfout_define, dwarfout_undef): Make static.
+       (dwarfout_start_source_file_check,
+       dwarfout_end_source_file_check): New.
+       (dwarfout_define, dwarfout_finish): Update.
+       * dwarfout.h (dwarfout_start_new_source_file,
+       dwarfout_resume_previous_source_file, dwarfout_define,
+       dwarfout_undef): Remove.
+       * sdbout.c (sdb_debug_hooks): Add new hooks.
+       (sdbout_start_new_source_file): Rename sdbout_start_source_file,
+       make static.
+       (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
+       make static, take an arg.
+       * sdbout.h (sdbout_start_new_source_file,
+       sdbout_resume_previous_source_file): Delete.
+       * toplev.c (debug_start_source_file, debug_end_source_file,
+       debug_define, debug_undef): Delete.
+       * toplev.h (debug_start_source_file, debug_end_source_file,
+       debug_define, debug_undef): Delete.
+
+       * java/jcf-parse.c: Include debug.h.
+       (parse_class_file): Update to use debug hooks directly.
+       * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
+
+Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (set_mem_alias_set): New function.
+       * rtl.h (set_mem_alias_set): Declare it.
+       * builtins.c (expand_builtin_return_addr): Call it instead of
+       using MEM_ALIAS_SET accessor.
+       (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
+       (get_memory_rtx, expand_builtin_va_arg): Likewise.
+       (expand_builtin_va_copy):Likewise.
+       * caller-save.c (setup_save_areas): Likewise.
+       * calls.c (compute_argument_addresses): Likewise.
+       * explow.c (set_mem_attributes): Likewise.
+       * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
+       (expand_assignment, store_constructor_field, store_field): Likewise.
+       (expand_expr_unaligned): Likewise.
+       * function.c (assign_stack_temp_for_type): Likewise.
+       (put_reg_into_stack, gen_mem_addressof): Likewise.
+       * ifcvt.c (noce_try_cmove_arith): Likewise.
+       * reload1.c (reload, alter_reg): Likewise.
+       * config/alpha/alpha.c (get_aligned_mem): Likewise.
+       (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
+       (alpha_expand_unaligned_store): Likewise
+       (alpha_expand_unaligned_load_words): Likewise.
+       (alpha_expand_unaligned_store_words): Likewise.
+       (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
+       (alpha_expand_epilogue): Likewise.
+       * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
+       * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
+       * config/i386/i386.c (legitimize_pic_address): Likewise.
+       * config/i960/i960.c (setup_incoming_varargs): Likewise.
+       * config/ia64/ia64.c (spill_restore_mem): Likewise.
+       * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
+       * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
+       * config/mips/mips.c (mips_va_arg): Likewise.
+       * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
+       * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
+       * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
+       (setup_incoming_varargs, rs6000_va_arg): Likewise.
+       (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
+       (rs6000_emit_epilogue): Likewise.
+       * config/sh/sh.c (sh_builtin_saveregs): Likewise.
+       * config/sparc/sparc.c (sparc_va_arg): Likewise.
+       * config/v850/v850.c (v850_va_arg): Likewise.
+
+Wed Jul 11 21:27:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (merge_blocks_move_successor_nojumps): Do not crash
+       when fallthru edge is present.
+       (mege_blocks): Handle case where creation of jump insn
+       is required.
+
+       * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
+       CLEANUP_POST_REGSTACK): New constants.
+       * except.c (finish_eh_generation): Update call of cleanup_cfg,
+       * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
+       * output.h (cleanup_cfg): Update prototype.
+       * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
+       * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
+       cleanup_cfg call; kill missleading comment.
+       * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
+       * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
+       parameter; control optimizations performed using it.
+       (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
+       try_crossjump_bb): New functions.
+
+2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (pa_output_function_prologue): Delete prototype.  Make function
+       extern.
+       * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
+       pa_output_function_prologue.
+       * pa-protos.h (pa_output_function_prologue): New prototype.
+
+2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
+       and low to get correct sign extension in low+high test.
+
+2001-07-11  Janis Johnson <janis@us.ibm.com>
+
+       * gcov.c (arcdata): Use gcov_type to fix branch percentage
+       for large hit count.
+
+       * profile.c (branch_prob): Fix .bbg info for computed gotos
+       and C++ EH code.
+
+2001-07-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * stmt.c (parse_output_constraint): New function, split out
+       from ...
+       (expand_asm_operands): ... here.  Use parse_output_constraint.
+       * tree.h (parse_output_constraint): Declare it.
+
+2001-07-11  Richard Henderson  <rth@redhat.com>
+
+       * bitmap.c: Comment some functions; fiddle whitespace.
+       (bitmap_free): Don't export.
+       (bitmap_element_allocate): Use memset.
+       * bitmap.h (bitmap_free): Don't declare.
+
+2001-07-11  Daniel Berlin  <dan@cgsoftware.com>
+
+       * gcse.c, lcm.c, sched-deps.c:
+       s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
+
+       * flow.c (flow_loops_find): Free dom if we found no loops, since
+       we aren't going to save it.
+
+       * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
+       done.
+
+Wed Jul 11 09:00:48 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
+
+Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
+       #ifndef DWARF2_DEBUGGING_INFO.
+
+2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
+
+       * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
+
+2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
+
+       * config/mips/mips.c (gen_int_relational): Tell the caller not to
+       reverse a branch if a NE comparison is implemented with GTU.
+
+2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
+           H.J. Lu  <hjl@gnu.org>
+
+       * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
+       constant addresses.
+       (call_internal2): Likewise.
+       (call_value_internal1): Likewise.
+       (call_value_internal2): Likewise.
+       (call_value_multiple_internal1): Likewise.
+       (call_value_multiple_internal2): Likewise.
+
+2001-07-10  Kazu Hirata  <kazu@hxi.com>
+
+       * calls.c (emit_library_call_value_1): Fix a comment typo.
+       * dwarf2out.c (mem_loc_descriptor): Likewise.
+       * config/i386/i386.c (ix86_expand_aligntest): Likewise.
+
+2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * simplify-rtx.c (simplify_subreg): Fix typo in comment
+
+Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * recog.c (offsettable_address_p): Handle LO_SUM case.
+       * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
+       instead of plus_constant.
+
+2001-07-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
+       fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
+
+Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
+       adjust_address_nv instead of plus_constant.
+
+2001-07-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
+       dwarf2out.o): Depend on debug.h, wrap long lines.
+       * dbxout.c: Include debug.h.
+       (dbx_debug_hooks): New.
+       (dbxout_init): Make static, take just 2 args.
+       (dbxout_finish): Make static.
+       * dbxout.h (dbxout_init, dbxout_finish): Delete.
+       * debug.c: New file.
+       * debug.h: New file.
+       * dwarf2out.c: Include debug.h.
+       (dwarf2_debug_hooks): New.
+       (dwarf2out_init): Make static.
+       (dwarf2out_finish): Make static, take 2 args.
+       * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
+       * dwarfout.c: Include debug.h.
+       (dwarf_debug_hooks): New.
+       (dwarfout_init): Make static.
+       (dwarfout_finish): Make static, take 2 args.
+       * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
+       * sdbout.c: Include debug.h.
+       (sdb_debug_hooks): New.
+       (sdbout_init): Make static, take 2 args.
+       * sdbout.h (sdbout_init): Delete.
+       * toplev.c: Include debug.h.
+       (debug_hooks): New.
+       (compile_file): Set deubg_hooks based on command line options.
+       Use the hooks unconditionally rather than conditional compilation.
+
+Tue Jul 10 09:04:45 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa-ccp.c (first_phi_node): Remove.  Replace uses with calls to
+       first_insn_after_basic_block_note instead.
+
+       * df.c (df_bb_refs_unlink): #if 0 out for now.
+
+2001-07-10  David Billinghurst <David.Billinghurst@riotinto.com
+
+       * ssa.h: Add prototype for ssa_const_prop
+       * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
+       (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
+       (ssa_fast_dce): Remove unused variable
+
+2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
+
+       * diagnostic.c (finish_diagnostic): Rename to
+       diagnostic_finish. Make it take an 'output_buffer *'.  Adjust
+       calls thourghout.
+
+2001-07-10  Jason Merrill  <jason_merrill@redhat.com>
+
+       * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
+       .loc support.
+
+       * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
+       (dump_file): Only pad the demangled name with spaces if the
+       mangled name was padded with spaces.
+
+2001-07-10  Bernd Schmidt  <bernds@redhat.com>
+
+       * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
+       edge detection.
+
+Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
+       extraction if no direct load if either EXPAND_CONST_ADDRESS or
+       EXPAND_INITIALIZER.
+
+       * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
+       whether can put offset inside LO_SUM to check mode alignment, not size.
+
+2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
+
+       * doc/tm.texi (Misc): Fix thinko.
+
+2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * regmove.c (replace_in_call_usage): Fix warnings.
+       * sched-deps.c (add_dependence): Fix warnings.
+       * simplify-rtx.c (simplify_subreg): Likewise.
+       Return NULL_RTX instead of NULL.
+
+       * reg-stack.c (emit_swap_insn): Eliminate warnings.
+       (subst_asm_stack_regs): Likewise.
+
+       * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
+       warnings.
+
+       * dwarf2out.c (output_call_frame_info): Declare i as int.
+       (build_abbrev_table): Declare n_alloc as int.
+       (dwarf2out_finish): Initialize die.
+       * except.c: Declare sjlj_funcdef_number as unsigned.
+       (connect_post_landing_pads): Declare j as unsigned.
+       (convert_to_eh_region_ranges): Initialize call_site.
+       (output_function_exception_table): Initialize tt_format_size.
+       * expr.c (move_by_pieces_1): Initialize to1.
+       (store_constructor): Initialize minelt and maxelt.
+       * flow.c (mark_regs_live_at_end): Declare i as unsigned.
+       * function.c (instantiate_decls): Avoid signed/unsigned warning.
+
+       * c-decl.c (combine_parm_decls): Unused, remove.
+       * c-tree.h: Remove prototype for combine_parm_decls.
+
+       * reload.c (push_reload): Fix warning.
+       (regno_clobbered_p): Likewise.
+       * reload1.c (replace_pseudos_in_call_usage): Likewise.
+       (reload_combine): Likewise.
+
+       * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
+       * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
+       warnings.
+       * bitmap.c (bitmap_operation): Change user.
+       * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
+
+2001-07-10  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.c (override_options): Fix typo.
+
+2001-07-09  Stan Shebs  <shebs@apple.com>
+
+       * target.h (struct gcc_target): New fields init_builtins and
+       expand_builtin.
+       * target-def.h (TARGET_INIT_BUILTINS): New macro.
+       (TARGET_EXPAND_BUILTIN): New macro.
+       (TARGET_INITIALIZER): Add them.
+       * builtins.c: Include target.h.
+       (expand_builtin): Use targetm.expand_builtin.
+       (default_init_builtins): New function.
+       (default_expand_builtin): New function.
+       * expr.h (default_init_builtins): Declare.
+       (default_expand_builtin): Declare.
+       * c-common.c (c_common_nodes_and_builtins): Use
+       targetm.init_builtins.
+       * defaults.h (MD_INIT_BUILTINS): Remove.
+       * Makefile.in (builtins.o): Depend on target.h.
+
+       * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
+       (TARGET_EXPAND_BUILTIN): Define.
+       * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
+       (MD_EXPAND_BUILTIN): Remove.
+
+       * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
+       (TARGET_EXPAND_BUILTIN): Define.
+       (c4x_init_builtins): Make endlink arg a local.
+       (c4x_print_operand): Fix typos in adjust_address usages.
+       * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
+       * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
+       (MD_EXPAND_BUILTIN): Remove.
+
+       * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
+       (TARGET_EXPAND_BUILTIN): Define.
+       (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
+       (ix86_init_builtins): Call new function only if TARGET_MMX.
+       * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
+       * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
+       (MD_EXPAND_BUILTIN): Remove.
+
+       * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
+       (TARGET_EXPAND_BUILTIN): Define.
+       * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
+       (MD_EXPAND_BUILTIN): Remove.
+
+       * doc/tm.texi: Document these changes.
+
+2001-07-09  Diego Novillo  <dnovillo@redhat.com>
+
+       * basic-block.h (tree_node): Forward declare if needed.
+       (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
+       (BLOCK_HEAD_TREE): Define.
+       (BLOCK_END_TREE): Define.
+       (struct loops): Rename field 'tree' to 'tree_root'.
+       * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
+       'end_tree'.
+       (flow_loops_tree_build): Rename reference to field 'tree' to
+       'tree_root'.
+       (flow_loops_level_compute): Ditto.
+       * predict.c (estimate_bb_frequencies): Ditto.
+       * tree.h (struct tree_common): Add field 'aux'.
+
+2001-07-09  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.c (darwin_encode_section_info): Don't mark any
+       DECL_EXTERNAL node as defined.
+
+2001-07-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (pa_init_machine_status, pa_mark_machine_status,
+       pa_free_machine_status, hppa_init_pic_save): Delete.
+       (hppa_pic_save_rtx): New.  Use get_hard_reg_initial_val.
+       (hppa_profile_hook): Use hppa_pic_save_rtx.
+       * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
+       hppa_init_pic_save): Delete.
+       (hppa_pic_save_rtx): Declare.
+       * pa.md (call, call_value, sibcall, sibcall_value,
+       builtin_setjmp_receiver): Use hppa_pic_save_rtx.
+
+2001-07-09  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
+       * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
+
+2001-07-09  Andreas Jaeger  <aj@suse.de>
+
+       * output.h: Add declaration of final_forward_branch_p.
+
+       * config/i386/i386.c (output_fix_trunc): Remove unused variable.
+
+       * varray.c: Include errors.h for internal_error and trim_filename
+       declarations.
+
+       * Makefile.in (varray.o): Add errors.h.
+
+2001-07-09  Toon Moene  <toon@moene.indiv.nluug.nl>
+
+       * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
+       * optabs.c (have_add2_insn): Check whether the add insn chosen
+       really accepts the operands.  (have_sub2_insn): Ditto for sub insn.
+       * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
+
+Mon Jul  9 13:26:40 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * Makefile.in (OBJS): Add ssa-ccp.o
+       (ssa-ccp.o): Add dependencies.
+       * toplev.c (DFI_ssa_ccp): New dump file enum.
+       (dump_file): Add entry for dumping after SSA CCP.
+       (flag_ssa_ccp): New flag variable.
+       (f_options): Add -fssa-ccp.
+       (rest_of_compilation): Run SSA CCP if requested.
+       * timevar.def (TV_SSA_CCP): New timevar.
+       * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
+       * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
+       Fix minor typo in SSA DCE documentation.
+       * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
+       Add documentation for new dump option.  Renumber dump files
+       appropriately.
+
+Mon Jul  9 21:36:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * emit-rtl.c (gen_highpart_mode): New.
+       * rtl.h (gen_highpart_mode): Declare.
+       * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
+       operand can be VOIDmode constant.
+
+Mon Jul  9 17:23:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (redirect_edge_and_branch_force): New.
+       (can_fallthru): Ensure that basic blocks are succeeding.
+       (try_optimize_cfg): Do not delete basic block if it is the last one.
+
+       * flow.c (try_redirect_by_replacing_jump): Do not remove
+       jumps with side effects, unlink chain on fallthru edge;
+       set block for new jump instruction; avoid basic block to
+       over by line number note.
+
+       * flow.c (try_simplify_condjump): Verify that the condjump
+       is not always falling through.
+
+       Re-install patch:
+       * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
+
+       * flow.c (forwarder_block_p): Fix for fallthru blocks.
+       (try_redirect_by_replacing_jump): Update properly the count
+       and frequency information.
+
+Mon Jul  9 06:41:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
+       address that is a LO_SUM specially.
+       * explow.c (plus_constant_wide, case LO_SUM): Deleted.
+
+       * c-lang.c (start_cdtor): Remove extra parameter from start_function.
+
+       * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
+       (operand_subword): Use them.
+       (change_address_1): Renamed from change_address; new arg VALIDATE.
+       * expr.h: Reflect above changes; change_address now macro.
+       * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
+       making MEM.
+       * cselib.c (add_mem_for_addr): Likewise.
+       * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
+       * regmove.c (try_apply_stack_adjustment): Likewise.
+       * reload.c (push_reload, make_memloc): Likewise.
+       * reload1.c (eliminate_regs): Likewise.
+       * simplify-rtx.c (simplify_replace_rtx): Likewise.
+       * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
+       adjust_addess.
+       * combine.c (make_extraction, simplify_shift_const): Likewise.
+       (gen_lowpart_for_combine): Likewise.
+       * cse.c (gen_lowpart_if_possible): Likewise.
+       * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
+       * expr.c (expand_expr, case COMPONENT_REF): Likewise.
+       * optabs.c (gen_move_insn): Likewise.
+       * reload1.c (alter_reg): Likewise.
+       * simplify-rtx.c (simplify_subreg): Likewise.
+       * stmt.c (expand_anon_union_decl): Likewise.
+       * recog.c (validate_replace_rtx_1): Likewise.
+       (expr.h): Include.
+       * Makefile.in (recog.o): Add $(EXPR_H).
+       * explow.c (stabilize): Call replace_equiv_address.
+       * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
+       * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
+
+2001-07-03  Andrew Haley  <aph@redhat.com>
+
+       * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
+       the mode of the memory location.
+
+2001-07-09  Bo Thorsen  <bo@suse.co.uk>
+
+       * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
+
+2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * final.c (output_addr_const): Use target opening and
+       closing parentheses.
+       * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
+       defaults, add to TARGET_ASM_OUT.
+       * target.h (struct gcc_target): Add open_paren and close_paren.
+       * doc/md.texi: Update.
+       * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
+       TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
+       TARGET_ASM_CLOSE_PAREN.
+       * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
+       Override.
+       * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
+       Override.
+       * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
+       * config/a29k/a29k.h: Similarly.
+       * config/alpha/alpha.h: Similarly.
+       * config/arc/arc.h: Similarly.
+       * config/arm/aof.h: Similarly.
+       * config/arm/aout.h: Similarly.
+       * config/avr/avr.h: Similarly.
+       * config/c4x/c4x.h: Similarly.
+       * config/clipper/clipper.h: Similarly.
+       * config/convex/convex.h: Similarly.
+       * config/d30v/d30v.h: Similarly.
+       * config/dsp16xx/dsp16xx.h: Similarly.
+       * config/elxsi/elxsi.h: Similarly.
+       * config/fr30/fr30.h: Similarly.
+       * config/h8300/h8300.h: Similarly.
+       * config/i370/i370.h: Similarly.
+       * config/i386/i386.h: Similarly.
+       * config/i860/i860.h: Similarly.
+       * config/i960/i960.h: Similarly.
+       * config/ia64/ia64.h: Similarly.
+       * config/m32r/m32r.h: Similarly.
+       * config/m68hc11/m68hc11.h: Similarly.
+       * config/m68k/m68k.h: Similarly.
+       * config/m88k/m88k.h: Similarly.
+       * config/mcore/mcore.h: Similarly.
+       * config/mips/mips.h: Similarly.
+       * config/mn10200/mn10200.h: Similarly.
+       * config/mn10300/mn10300.h: Similarly.
+       * config/ns32k/ns32k.h: Similarly.
+       * config/pa/pa.h: Similarly.
+       * config/pdp11/pdp11.h: Similarly.
+       * config/pj/pj.h: Similarly.
+       * config/romp/romp.h: Similarly.
+       * config/rs6000/rs6000.h: Similarly.
+       * config/sh/sh.h: Similarly.
+       * config/sparc/sparc.h: Similarly.
+       * config/v850/v850.h: Similarly.
+       * config/vax/vax.h: Similarly.
+       * config/we32k/we32k.h: Similarly.
+
+2001-07-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi: Document representation of attributes.
+
+2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/tm.texi: Update some places for the rename of target to
+       targetm.  Fix typo.
+
+2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * target.h (struct gcc_target): Add insert_attributes.
+       * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
+       (TARGET_INITIALIZER): Update.
+       * tree.c, tree.h (default_insert_attributes): New function.
+       Update comments on other default functions to refer to targetm,
+       not target.
+       * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
+       TARGET_INSERT_ATTRIBUTES.
+       (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
+       * c-common.c (decl_attributes): Use targetm.insert_attributes.
+       Don't use PRAGMA_INSERT_ATTRIBUTES.
+       * Makefile.in (c-common.o): Depend on $(TARGET_H).
+       * c-decl.c (start_decl, start_function): Don't call
+       SET_DEFAULT_DECL_ATTRIBUTES.
+       * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
+       * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
+       declare.
+       * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
+       (c4x_check_attribute): Avoid modifying attribute list itself.
+       (c4x_set_default_attributes): Rename to c4x_insert_attributes.
+       Make static.
+       * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
+       * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
+       declare.
+       * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
+       (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
+       Make static.
+       * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
+       * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
+       declare.
+       * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
+       (v850_set_default_decl_attr): Rename to v850_insert_attributes.
+       Adjust parameters.  Make static.
+
+2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (decl_attributes): Only take a single attributes
+       parameter.
+       * c-common.h (decl_attributes): Update prototype.
+       * c-decl.c (start_decl, start_function): Only take a single
+       attributes parameter.  Update calls to decl_attributes.
+       (finish_struct, finish_enum): Update calls to decl_attributes.
+       (push_parm_decl): Expect unified list of attributes.  Update call
+       to decl_attributes.
+       * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
+       notype_nested_function, component_declarator,
+       component_notype_declarator, label): Update calls to
+       decl_attributes.
+       (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
+       lists that are passed to push_parm_decl.
+       * c-tree.h (start_function, start_decl): Update prototypes.
+       * config/sh/sh-protos.h, config/sh/sh.c
+       (sh_pragma_insert_attributes): Only take a single attributes
+       parameter.
+       * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
+       * doc/tm.texi (INSERT_ATTRIBUTES): Update.
+       * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
+       build_module_descriptor, generate_static_references,
+       generate_strings, build_selector_translation_table,
+       generate_descriptor_table, generate_protocols,
+       generate_ivars_list, generate_dispatch_table,
+       generate_protocol_list, generate_category,
+       generate_shared_structures, really_start_method, add_objc_decls,
+       generate_classref_translation_entry): Update calls to start_decl
+       and start_function.
+       (build_tmp_function_decl, start_method_def): Unify attribute lists
+       that are passed to push_parm_decl.
+
+2001-07-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * final.c (no_asm_to_stream): New.
+       (final_scan_insn): Use target structures for prologue ends
+       and epilogue starts.
+       * output.h (no_asm_to_stream): New.
+       * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
+       TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
+       (TARGET_ASM_OUT): Update.
+       * target.h (struct gcc_target): New members function_end_prologue
+       and function_begin_epilogue.
+       * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
+       * config/alpha/alpha-protos.h (output_end_prologue): Delete.
+       * config/alpha/alpha.c (output_end_prologue): Rename to
+       alpha_output_function_end_prologue.  Use in target struct
+       and make static.
+       * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
+       * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
+       * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
+       ia64_output_function_end_prologue.  Use in target struct
+       and make static.
+       (ia64_function_prologue, ia64_function_epilogue): Rename
+       mistyped prototypes.
+       * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
+       * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
+       Delete.
+       * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
+       an use in target struct, make static.
+       * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
+       Delete.
+
+2001-07-08  Richard Henderson  <rth@redhat.com>
+
+       * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
+
+2001-07-08  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.md: Remove constraints strings from define_split
+       and define_peephole2 patterns.
+       (eh_return_si, eh_return_di): Split eh_return_1 for modes.
+       (eh_return): Use them.
+
+2001-07-08  Richard Henderson  <rth@redhat.com>
+
+       * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
+       Document MD_FALLBACK_FRAME_STATE_FOR.
+
+2001-07-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
+       Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
+       elimination.
+       * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
+
+2001-07-07  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
+       of the label inside NAME as opposed to just the end of NAME.
+
+2001-07-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
+       * config/alpha/alpha.c (alpha_init_machine_status,
+       alpha_mark_machine_status, alpha_free_machine_status): Delete.
+       (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
+       (vms_valid_decl_attribute_p): Make static, conditionally compile.
+       * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
+
+2001-07-06  Stan Shebs  <shebs@apple.com>
+
+       * target.h (targetm): Rename global from "target", so as not to
+       conflict with local variables.
+       * c-decl.c: Ditto.
+       * c-typeck.c: Ditto.
+       * final.c: Ditto.
+       * tree.c: Ditto.
+       * cp/decl.c: Ditto.
+       * cp/decl2.c: Ditto.
+       * cp/typeck.c: Ditto.
+       * 1750a/1750a.c: Ditto.
+       * a29k/a29k.c: Ditto.
+       * arc/arc.c: Ditto.
+       * arm/arm.c: Ditto.
+       * avr/avr.c: Ditto.
+       * clipper/clipper.c: Ditto.
+       * convex/convex.c: Ditto.
+       * d30v/d30v.c: Ditto.
+       * dsp16xx/dsp16xx.c: Ditto.
+       * elxsi/elxsi.c: Ditto.
+       * fr30/fr30.c: Ditto.
+       * h8300/h8300.c: Ditto.
+       * i370/i370.c: Ditto.
+       * i386/i386.c: Ditto.
+       * i860/i860.c: Ditto.
+       * i960/i960.c: Ditto.
+       * ia64/ia64.c: Ditto.
+       * m32r/m32r.c: Ditto.
+       * m68hc11/m68hc11.c: Ditto.
+       * m68k/m68k.c: Ditto.
+       * m88k/m88k.c: Ditto.
+       * mips/mips.c: Ditto.
+       * ns32k/ns32k.c: Ditto.
+       * pa/pa.c: Ditto.
+       * pdp11/pdp11.c: Ditto.
+       * romp/romp.c: Ditto.
+       * rs6000/rs6000.c: Ditto.
+       * sh/sh.c: Ditto.
+       * sparc/sparc.c: Ditto.
+       * vax/vax.c: Ditto.
+       * we32k/we32k.c: Ditto.
+       * doc/tm.texi: Update the manual to match.
+
+2001-07-06  Richard Henderson  <rth@redhat.com>
+
+       * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
+       DWARF2_UNWIND_INFO not just whether it is defined.
+
+2001-07-06  Diego Novillo  <dnovillo@redhat.com>
+
+       * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
+       call to simplify_binary_operation returns a new pattern.
+
+2001-07-06  Roman Lechtchinsky  <rl@cs.tu-berlin.de>
+
+       * glimits.h (__SHRT_MAX__): New.
+       (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
+       (SHRT_MAX): Define in terms of __SHRT_MAX__.
+
+2001-07-06  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
+       avoid warnings.
+
+2001-07-06  Richard Henderson  <rth@redhat.com>
+
+       * bitmap.c (bitmap_release_memory): Move adjacent to the
+       allocation functions.
+       (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
+       the implementation.  Binary search for the set bit.
+       (bitmap_union_of_diff): Allocate the temporary on the stack
+       instead of using xmalloc.
+
+2001-07-06  Richard Henderson  <rth@redhat.com>
+
+       * genrecog.c (validate_pattern): Warn for constraints in
+       define_{expand,split,peephole2}.  Remove strict_low_part
+       before looking up match_dup.
+
+2001-07-06  DJ Delorie  <dj@redhat.com>
+
+       * doc/gcc.texi (Makefile): Rename to be a more general purpose
+       chapter about various build hints and history.  Add section
+       talking about the various types of native and cross builds.
+
+2001-07-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (final.o): Depend on target.h.
+       * final.c: Include target.h.
+       (default_function_pro_epilogue): New.
+       (final_start_function): Use target structure for function prologues.
+       (final_end_function): Use target structure for function epilogues.
+       * fold-const.c (real_hex_to_f): Constify s and p.
+       * output.h (default_function_pro_epilogue): New.
+       * real.h (real_hex_to_f): Update prototype.
+       * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
+       TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
+       (TARGET_INITIALIZER): Update.
+       * target.h (gcc_target): Add struct asm_out.
+       * doc/tm.texi: Update.
+
+config:
+       Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
+       TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
+       in cpu/cpu.c, or rename old functions consistently.  Take
+       a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
+       redundant macros and prototypes.  Make new functions static.
+
+       * 1750a/1750a.c: Similarly.
+       * 1750a/1750a.h: Similarly.
+       * a29k/a29k-protos.h: Similarly.
+       * a29k/a29k.c: Similarly.
+       * a29k/a29k.h: Similarly.
+       * arc/arc-protos.h: Similarly.
+       * arc/arc.c: Similarly.
+       * arc/arc.h: Similarly.
+       * arm/arm-protos.h: Similarly.
+       * arm/arm.c: Similarly.
+       * arm/arm.h: Similarly.
+       * avr/avr-protos.h: Similarly.
+       * avr/avr.c: Similarly.
+       * avr/avr.h: Similarly.
+       * clipper/clipper-protos.h: Similarly.
+       * clipper/clipper.c: Similarly.
+       * clipper/clipper.h: Similarly.
+       * convex/convex.c: Similarly.
+       * convex/convex.h: Similarly.
+       * d30v/d30v-protos.h: Similarly.
+       * d30v/d30v.c: Similarly.
+       * d30v/d30v.h: Similarly.
+       * d30v/d30v.md: Similarly.
+       * dsp16xx/dsp16xx-protos.h: Similarly.
+       * dsp16xx/dsp16xx.c: Similarly.
+       * dsp16xx/dsp16xx.h: Similarly.
+       * elxsi/elxsi.c: Similarly.
+       * elxsi/elxsi.h: Similarly.
+       * fr30/fr30.c: Similarly.
+       * fr30/fr30.md: Similarly.
+       * h8300/h8300-protos.h: Similarly.
+       * h8300/h8300.c: Similarly.
+       * h8300/h8300.h: Similarly.
+       * i370/i370-protos.h: Similarly.
+       * i370/i370.c: Similarly.
+       * i370/i370.h: Similarly.
+       * i386/i386.c: Similarly.
+       * i386/osf1elf.h: Similarly.
+       * i386/osfrose.h: Similarly.
+       * i860/i860-protos.h: Similarly.
+       * i860/i860.c: Similarly.
+       * i860/i860.h: Similarly.
+       * i960/i960-protos.h: Similarly.
+       * i960/i960.c: Similarly.
+       * i960/i960.h: Similarly.
+       * ia64/ia64-protos.h: Similarly.
+       * ia64/ia64.c: Similarly.
+       * ia64/ia64.h: Similarly.
+       * m32r/m32r-protos.h: Similarly.
+       * m32r/m32r.c: Similarly.
+       * m32r/m32r.h: Similarly.
+       * m68hc11/m68hc11-protos.h: Similarly.
+       * m68hc11/m68hc11.c: Similarly.
+       * m68hc11/m68hc11.h: Similarly.
+       * m68k/crds.h: Similarly.
+       * m68k/dpx2.h: Similarly.
+       * m68k/m68k-protos.h: Similarly.
+       * m68k/m68k.c: Similarly.
+       * m68k/m68k.h: Similarly.
+       * m68k/news.h: Similarly.
+       * m88k/m88k-protos.h: Similarly.
+       * m88k/m88k.c: Similarly.
+       * m88k/m88k.h: Similarly.
+       * mips/mips-protos.h: Similarly.
+       * mips/mips.c: Similarly.
+       * mips/mips.h: Similarly.
+       * ns32k/merlin.h: Similarly.
+       * ns32k/ns32k.c: Similarly.
+       * ns32k/ns32k.h: Similarly.
+       * ns32k/tek6000.h: Similarly.
+       * pa/pa-protos.h: Similarly.
+       * pa/pa.c: Similarly.
+       * pa/pa.h: Similarly.
+       * pdp11/2bsd.h: Similarly.
+       * pdp11/pdp11-protos.h: Similarly.
+       * pdp11/pdp11.c: Similarly.
+       * pdp11/pdp11.h: Similarly.
+       * romp/romp-protos.h: Similarly.
+       * romp/romp.c: Similarly.
+       * romp/romp.h: Similarly.
+       * rs6000/rs6000-protos.h: Similarly.
+       * rs6000/rs6000.c: Similarly.
+       * rs6000/rs6000.h: Similarly.
+       * rs6000/sysv4.h: Similarly.
+       * sh/sh-protos.h: Similarly.
+       * sh/sh.c: Similarly.
+       * sh/sh.h: Similarly.
+       * sparc/sparc-protos.h: Similarly.
+       * sparc/sparc.c: Similarly.
+       * sparc/sparc.h: Similarly.
+       * vax/vax.c: Similarly.
+       * vax/vax.h: Similarly.
+       * vax/vms.h: Similarly.
+       * we32k/we32k.c: Similarly.
+       * we32k/we32k.h: Similarly.
+
+Fri Jul  6 11:47:59 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * basic-block.h (first_insn_after_basic_block_note): Declare.
+       * flow.c (first_insn_after_basic_block_note): Define.  Moved
+       from...
+       * ssa.c (first_insn_after_basic_block_note): Remove.
+       * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
+       necessary.
+       (ssa_eliminate_dead_code): Properly update the CFG and PHI
+       nodes when we find a dead conditional branch.  Insert BARRIERs
+       after any blocks with no successors, but which do not have
+       any BARRIERs.
+
+2001-07-06  Zack Weinberg  <zackw@stanford.edu>
+
+       * varray.c (varray_check_failed): Use internal_error.
+
+2001-07-05  Andrew Haley  <aph@redhat.com>
+
+       * Makefile.in (LIB2_DIVMOD_FUNCS): New.
+       (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
+       * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
+
+2001-07-02  Jason Merrill  <jason_merrill@redhat.com>
+
+       * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
+       reference if the target constant is also a SYMBOL_REF.
+
+2001-07-05  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.h (MASK_MIPS3900): Remove.
+       (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
+       MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
+       (TARGET_MIPS3900): Change to use mips_arch.
+       (TARGET_MIPS4000): New.
+       (TARGET_MIPS4100): New.
+       (TARGET_MIPS4300): New.
+       (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
+       (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
+       for -mipsX.
+       (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
+       (ISA_HAS_BRANCHLIKELY): To here.
+       (CC1_CPU_SPEC):  New.
+       (CC1_SPEC): Use here.  Remove 4650 and 3900 options.
+       (mips_arch_string): Declare.
+       (mips_arch): Declare.
+       (TARGET_OPTIONS): Add -march and -mtune.
+
+       * config/mips/mips.c (mips_arch_string): New.
+       (mips_arch): New.
+       (override_options): Handle -march for codegen and -mtune
+       for scheduling. Use mips_arch. Move tx39 target default here.
+       (mips_parse_cpu): Move error message to override_options.
+
+       * config/mips/r3900.h (TARGET_DEFAULT): Remove.
+
+       * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
+
+       * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
+       (MIPS Options): Ditto.  Change mcpu entry to historical text.
+
+2001-07-05  H.J. Lu  (hjl@gnu.org)
+
+       * config/mips/mips.c (mips_parse_cpu): New function to parse
+       -march=*/-mcpu=*.
+
+2001-07-05  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
+       * config/ia64/t-ia64: Likewise.
+       (LIB1ASMFUNCS): Update comment.
+
+2001-07-05  David Edelsohn  <edelsohn@gnu.org>
+
+       * doc/install.texi (Install GCC: Binaries): Fix typo.
+
+2001-07-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
+       reference using the stack pointer, adjust it since we push Y
+       temporarily.
+       ("*ashrsi3"): Likewise.
+       ("*lshrsi3"): Likewise.
+
+2001-07-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
+       when -fomit-frame-pointer is used.
+
+2001-07-05  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * flow.c: Reverse Jan Hubicka's patch of 02July2001.
+       (try_redirect_by_replacing_jump): Reverse updating properly the
+       count and frequency information.  Reverse removing cc0 setter.
+       (forwarder_block_p): Reverse fixing for fallthru blocks.
+
+2001-07-05  DJ Delorie  <dj@redhat.com>
+
+       * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
+       (translate_options): If the above is defined, use it to map
+       given options to new options.
+       * doc/tm.texi: Document it.
+
+2001-07-05  Brad Lucier <lucier@math.purdue.edu>
+           Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/invoke.texi (Optimize Options): Document that -fgcse may
+       cause programs using computed gotos to run more slowly.
+
+2001-07-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Specific): Markup, spelling and typo fixes.
+       Fixed sorting.
+       Consistently require binutils 2.11.2, not prereleases.
+       (Specific, decstation-*): Canonicalize as mips-dec-*.
+       (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
+       always necessary.
+       (Specific, m68k-altos): Removed reference to README.altos, deleted.
+       (Specific, mips-*): Reword MIPS C compiler requirements.
+       (Specific, powerpc*-*-*): New, mention --with-cpu once.
+       (Specific, sunv5): Removed, obsolete.
+
+2001-07-05  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * dwarf2out.c (output_loc_list): Use an all ones mask for
+       .text asm output and don't rely on long long
+       literals. Reformat some long lines.
+
+2001-07-05  Andreas Jaeger  <aj@suse.de>
+
+       * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
+       section.
+
+2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
+
+       * dwarf2out.c (dwarf2out_define): Update comment.
+       (dwarf2out_undef): Ditto.
+       (dwarf2out_start_source_file): Ditto.
+       (dwarf2out_end_source_file): Ditto.
+       (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
+       since we never call the start/end debug hook for the primary file.
+
+2001-07-04  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
+       from shll.
+
+2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * cppinit.c (remove_dup_dirs): Inform if a system include
+       directory is being reordered.
+       * doc/invoke.texi (Directory Options): GCC warns if you hide a
+       system include.
+       * doc/cpp.texi (Search Paths): Likewise.
+       * doc/gcc.texi (Interoperation): Remove information about
+       -I/usr/include.
+
+2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
+       (VARRAY_TOP_CHAR_PTR): Likewise.
+
+2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * gcc.c (process_command): Don't assign elements of a const char*.
+
+Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (change_address): Don't abort if invalid address while
+       reload is in progress.
+
+2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
+
+       * c-lex.c (cb_file_change): Pass line number to
+       debug_start_source_file.
+       (cb_undefine): Pass correct line number to debug_undef.
+
+       * toplev.c (debug_start_source_file): Add line number to
+       parameters. Pass it along to dwarf2out_start_source_file.
+       (decode_g_option): Stop resetting debug level back to normal when
+       we change debug formats, unless the current level is
+       none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
+       3).
+
+       * toplev.h (debug_start_source_file): Add line number to
+       parameters.
+
+       * dwarf2out.h (dwarf2out_start_source_file): Add line number to
+       parameters.
+
+       * dwarf2out.c (dwarf2out_start_source_file): Add line number to
+       parameters.
+       Output debug_macinfo data for starting file if requested.
+       (dwarf2out_end_source_file): Output debug_macinfo data for ending
+       file if requested.
+       (dwarf2out_define): Output debug_macinfo data for defining a macro
+       if requested.
+       (dwarf2out_undef): Output debug_macinfo data for undefining a
+       macro if requested.
+       (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
+       (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
+       (macinfo_section_label): New. DWARF2 macro info section label.
+       (dwarf2out_init): If we want macro info, output the start label
+       for the section.
+       (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
+       attribute to the compilation unit die pointing to the macro info.
+
+2001-07-04  Daniel Berlin  <dan@cgsoftware.com>
+
+       * dwarf2out.c (new_loc_list): Move to inside #ifdef
+       DWARF2_DEBUGGING_INFO.
+       (add_loc_descr_to_loc_list): Ditto.
+       (output_loc_list): Ditto.
+       Also, fix thinko in curr not being initialized.
+       (gen_internal_sym): Ditto.
+
+Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (replace_equiv_address): New function.
+       * expr.h (replace_equiv_address): New declaration.
+       * explow.c (validize_mem): Call it instead of change_address and
+       also call if -fforce-addr and address is constant.
+       * expr.c: Replace more calls to change_address with adjust_address
+       and/or replace_equiv_address or to validize_mem.
+       * function.c, regmove.c, config/alpha/alpha.c: Likewise.
+       * config/arm/arm.md, config/clipper/clipper.md: Likewise.
+       * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
+       * config/i370/i370.md, config/i860/i860.md: Likewise.
+       * config/i960/i960.md, config/mips/mips.c: Likewise.
+       * config/mips/mips.md, config/pa/pa.md: Likewise.
+       * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
+       * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
+
+2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
+
+       * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
+       function.
+
+2001-07-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/include: New directory.
+       * doc/fdl.texi: Move to doc/include/fdl.texi.
+       * doc/texinfo.tex: Move to doc/include/texinfo.tex.
+       * doc/include/funding.texi, doc/include/gpl.texi: New files.
+       * doc/gcc.texi: Use funding.texi and gpl.texi.
+       * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
+       $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
+       Update dependencies and use -I $(docdir)/include.
+
+2001-07-04  Anthony Green  <green@redhat.com>
+
+       * config/v850/t-v850 (v850-c.o): Add missing dependencies.
+
+2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (sparc64-*-*): Remove garbage.
+
+Wed Jul  4 09:07:44 2001  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
+       Fix typo in last change to use adjust_address.
+
+2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Specific): Update information for *-*-solaris*.
+
+Tue Jul  3 22:33:15 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * explow.c (plus_constant_wide): Reinitialize Y for restart.
+
+2001-07-03  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
+       case for flag_no_mach_text_sections.
+       (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
+       * config/darwin.c (flag_no_mach_text_sections): Remove.
+       * config/darwin-protos.h (darwin_init_pragma): Remove decl.
+
+Tue Jul  3 15:35:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
+       and avoid checking for constant as first operand.
+       * recog.c (find_constant_term_loc): No longer static.
+       (adj_offettable_operand): Delete.
+       * rtl.h (adj_offsettable_operand): Delete declaration.
+       (find_constant_term): Add declaration.
+       * caller-save.c: Replace calls to adj_offsettable_operand with calls
+       to adjust_address.
+       * config/arm/arm.c, config/c4x/c4x.c: Likewise.
+       * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
+       * config/i386/i386.c, config/i386/i386.md: Likewise.
+       * config/i860/i860.c, config/i960/i960.c: Likewise.
+       * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
+       * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
+       * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
+       * config/mips/mips.c, config/mips/mips.md: Likewise.
+       * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
+       * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
+       * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
+       * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
+       * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
+       * config/ns32k/ns32k.md: Likewise.
+
+2001-07-03  Zack Weinberg  <zackw@stanford.edu>
+
+       * rtl.c (copy_rtx): Handle 'T' format letter.
+       * gensupport.c (collect_insn_data): Likewise.
+       * print-rtl.c (print_rtx): Print 'T' slots like 's'.
+
+2001-07-03  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * doc/invoke.texi (Directory Options): Specifiy range for <N> in
+       -B option.  Use 'dir' not 'foo' as example directory name.
+
+2001-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+       Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
+
+2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/cppinternals.texi: Improve formatting and logical markup.
+
+2001-07-03  Andreas Jaeger  <aj@suse.de>
+
+       * Makefile.in (insn-recog.o): Add dependency on reload.h.
+
+       * genrecog.c (write_header): Include reload.h for prototypes in
+       insn-recog.c.
+
+2001-07-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+config:
+       * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
+       VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
+       i386_pe_valid_type_attribute_p): Add.
+       * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
+       * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
+
+Mon Jul  2 21:52:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * explow.c (plus_constant_wide, case LO_SUM): New case.
+       (plus_constant_for_output_wide): Delete.
+       * rtl.h (plus_constant_for_output): Delete.
+       * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
+       instead of plus_constant_for_output.
+       * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
+       * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
+       * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
+       * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
+       * config/sparc/sparc.md: Likewise.
+       Convert some change_address calls to adjust_address.
+
+2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
+       doc/rtl.texi, doc/tm.texi: Improve formatting.  Improve
+       documentation of -std and -Wwrite-strings.
+
+2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
+
+       * cse.c (canon_hash): Don't register registers in very small
+       register classes, as extending their lifetime might cause
+       reload to fail.
+
+Mon Jul  2 23:14:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
+
+       * flow.c (forwarder_block_p): Fix for fallthru blocks.
+       (try_redirect_by_replacing_jump): Update properly the count
+       and frequency information.
+
+Mon Jul  2 14:20:13 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * toplev.c (dump_file_index): Move SSA dumps just after first
+       jump dump.
+       (dump_file): Corresponding changes.
+       (rest_of_compilation): Move SSA path to just after the first
+       jump pass.
+       * doc/gcc.texi (Passes): Update due to movement of SSA path.
+       * doc/invoke.texi: Update dump file #s as they were completely
+       out of date with reality.
+
+2001-07-02  Geoffrey Keating  <geoffk@redhat.com>
+
+       * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
+
+       * expr.c (emit_move_insn_1): Deal with non-default
+       STACK_PUSH_CODE.
+
+       * expr.c (emit_single_push_insn): Fix warning.
+
+2001-07-02  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
+
+       * expr.c (emit_move_insn_1): Avoid modifying
+       cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
+
+Mon Jul  2 15:33:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * emit-rtl.c (adjust_address): New function.
+       * expr.h (adjust_address): Add declaration.
+       * builtins.c: Replace some calls to change_address with calls to it
+       or to validize_mem.
+       * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
+       * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
+       * config/arm/arm.c, config/convex/convex.c: Likewise.
+       * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
+       * config/i386/i386.c, config/i386/i386.md: Likewise.
+       * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
+       * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
+       * config/m88k/m88k.c, config/mips/mips.md: Likewise.
+       * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
+       * config/sh/sh.c, config/sparc/sparc.md: Likewise.
+
+2001-07-02  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
+
+2001-07-02  Steve Ellcey  <sje@cup.hp.com>
+
+       * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
+       * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
+
+2001-07-02  Zack Weinberg  <zackw@stanford.edu>
+
+       * cppinit.c (lang_defaults): New table.
+       (set_lang): Just read from lang_defaults into the live options
+       structure.
+
+2001-07-02  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
+       * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
+       * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
+
+2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * doc/install.texi: Various spelling and markup fixes.
+       (Installing GCC): Component specific installation instructions are
+       gone.
+       Fix reference.
+       Warn about removing old install dir in the presence of shared libs.
+       (Configuration): Invoke with options target to match configure
+       --help.
+       Consistently refer to gas, gld pathnames.
+       Invert --enable-multilib documentation.
+       Remove references to old compiler versions.
+
+Mon Jul  2 12:50:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
+
+2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
+       section.
+       (Specific, mips*-sgi-irix5): Note IDO download.
+       Reworded MIPS C hints.
+       Use GNU as instead of GAS.
+       Markup fixes.
+       Removed SGI Freeware reference, IRIX 6 only.
+       (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
+       Note N64 library requirement/workaround.
+       Update O32 hints.
+       Complete list of structure passing bug victims.
+
+2001-07-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi: Remove CVS Id.
+
+2001-07-02  Andreas Jaeger  <aj@suse.de>
+
+       * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
+       (find_inherently_necessary): Remove unused variable.
+
+2001-07-02  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * c-common.h (TDI_inlined): New ast dump phase.
+       (dump_flag_name): New function.
+       * c-dump.c (dump_files): Add inlined phase.
+       (dump_flag_name): Define.
+       * doc/invoke.texi (-fdump-ast-inlined): Document.
+
+Mon Jul  2 06:29:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * stor-layout.c (layout_decl): Revert change to handling of alignment
+       in packed types.
+
+Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
+       for FIELD_DECL.
+
+2001-07-01  Geoffrey Keating  <geoffk@redhat.com>
+
+       * doc/tm.texi (FUNCTION_ARG): Document that the last call
+       is special.
+
+2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * tlink.c (recompile_files): Remove COMPILER_PATH and
+       LIBRARY_PATH from the environment.
+
+2001-07-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
+       RID_LAST_PQ.  Move RID_FIRST_PQ down with the other FIRST/LAST
+       enumerators.
+       (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
+
+       * c-parse.in (OBJC_STRING): Kill.
+       (objc_string): Decompose to [objc_string] '@' STRING.
+       (reswords): Take the leading '@' off all the Objective-C keywords.
+       (objc_rid_sans_at): Kill.
+       (init_reswords): Don't initialize it.
+       (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
+       (_yylex): Kill reconsider label.  Look ahead one token after
+       an '@'; if we get an identifier, check whether it's an
+       Objective-C @-keyword.  If so, return the keyword.  Otherwise,
+       put back the token and return the '@' as a terminal.
+
+       * cpplib.c (lex_macro_node): Remove unnecessary check for
+       leading '@' on identifier.  Clarify control flow and commentary.
+
+Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * cse.c (new_label_ref): Variable deleted.
+       (insert): Remove set of new_label_ref.
+       (check_for_label_ref): New function.
+       (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
+
+2001-06-30  Zack Weinberg  <zackw@stanford.edu>
+
+       * rtl.def (DEFINE_INSN, DEFINE_INSN_AND_SPLIT, DEFINE_PEEPHOLE):
+       Change output-template slot to format 'T'.
+       * rtl.h (XTMPL): New.
+       * read-rtl.c (read_escape): New function.
+       (read_quoted_string, read_braced_string): Use it.
+       (read_rtx): Set star_if_braced from the format string.
+       Use XTMPL where appropriate.
+       * genoutput.c (gen_insn, gen_peephole): Use XTMPL to get the
+       template string.
+
+       * rtl.c: Include errors.h for sake of rtl_check_failed* routines.
+       Document 'T' in rtx format strings.
+       * Makefile.in (rtl.o, $(HOST_PREFIX_1)rtl.o): Depend on errors.h.
+       * errors.c (internal_error): Add missing ": " at end of string.
+
+       * i860.md: Change triple backslashes to double backslashes at
+       ends of lines in output templates.
+       * ns32k.md: Remove stray backslash-newline in output template.
+
+2001-06-29  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * gcc.c (process_command): Append a DIR_SEPARATOR to a path
+       specified by the -B switch, if doing so would create a valid
+       directory name.
+       * doc/invoke.texi: Document changed behavior of -B.
+
+2001-06-29  DJ Delorie  <dj@redhat.com>
+
+       * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at
+       least get rid of the CONCAT if we can't simplify further.
+
+Fri Jun 29 12:27:24 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * simplify-rtx.c (simplify_rtx): Use swap_commutative_operands_p.
+
+       * doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce
+       changes.  Fix documentation for SSA DCE pass.
+
+       * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
+       eliminate_date_code.
+       * ssa.h (ssa_eliminate_dead_code): Corresponding changes.
+       * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM.
+       * toplev.c (DFI_ssa_dce): Renamed from DFI_dce.
+       (dump_file_info): Similar changes.
+       (flag_ssa_dce): Similarly
+       (f_options): Similar changes.
+       (rest_of_compilation): Corresponding changes.
+       * doc/invoke.texi: Update as option is now -fssa-dce instead
+       of -fdce.  Update dump file name.
+
+       * ssa-dce.c (note_inherently_necessary_set): New function.
+       (find_inherently_necessary): Use it.  Do not consider
+       NOTEs, CODE_LABELs or BARRIERS are necessary.  Improve
+       handling of asms and unspecs.
+       (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs.
+
+2001-06-29  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * target.h (struct gcc_target): Add comp_type_attributes and
+       set_default_type_attributes.
+       * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES,
+       TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define.
+       (TARGET_INITIALIZER): Update.
+       * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES,
+       SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
+       Update documentation of old target macros to describe new target
+       hooks.
+       * tree.c (make_node): Use target.set_default_type_attributes.
+       (default_comp_type_attributes,
+       default_set_default_type_attributes): New functions.
+       * tree.h (default_comp_type_attributes,
+       default_set_default_type_attributes): Declare.
+       * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define.
+       (comptypes): Use target.comp_type_attributes.
+       * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h
+       (arc_comp_type_attributes, arc_set_default_type_attributes,
+       COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove
+       functions and macros with default behavior.
+       * config/m32r/m32r-protos.h, config/m32r/m32r.c,
+       config/m32r/m32r.h (m32r_comp_type_attributes,
+       m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
+       SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+       * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
+       config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes,
+       m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
+       SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+       * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c,
+       config/ns32k/ns32k.h (ns32k_comp_type_attributes,
+       COMP_TYPE_ATTRIBUTES): Likewise.
+       * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
+       config/rs6000/rs6000.h (rs6000_comp_type_attributes,
+       rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
+       SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+       * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES,
+       SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro
+       definitions.
+       * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+       * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+       * config/arm/arm.c (arm_comp_type_attributes,
+       arm_set_default_type_attributes): Make static.
+       (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
+       Define.
+       * config/arm/arm.h (COMP_TYPE_ATTRIBUTES,
+       SET_DEFAULT_TYPE_ATTRIBUTES): Don't define.
+       * config/arm/arm-protos.h (arm_comp_type_attributes,
+       arm_set_default_type_attributes): Don't declare.
+       * config/i386/i386.c (ix86_comp_type_attributes): Make static.
+       (TARGET_COMP_TYPE_ATTRIBUTES): Define.
+       * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define.
+       * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't
+       declare.
+
+2001-06-28  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * predict.c (dump_prediction): Eliminate fprintf warning.
+
+2001-06-28  Diego Novillo  <dnovillo@redhat.com>
+
+       * flow.c (dump_bb): Remove unused third argument to call
+       to fprintf when displaying the basic block header.
+
+2001-06-28  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+           Jeff Law <law@redhat.com>
+
+       * Makefile.in (OBJS): Add df.o
+       (df.o): Add dependencies.
+       * basic-block.h (flow_depth_first_order_compute): Declare.
+       * flow.c (flow_depth_first_order_compute): No longer declare.
+       Make external.
+       * df.c, df.h: New files.
+
+2001-06-28  Zack Weinberg  <zackw@stanford.edu>
+
+       * config/i386/i386.md: Global update to use new string syntax
+       where it will improve readability.  Warning fixes:
+       (*truncdfsf2_2): Abort if which_alternative is not 0 or 1.
+       (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64,
+       *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int.
+
+       * read-rtl.c: Syntactic sugar for C embedded in strings in
+       machine descriptions.
+       (read_string): Break inner loop into separate function.  Takes
+       an int.  Dispatch to read_quoted_string or read_braced_string
+       as appropriate.  Automatically insert a leading star on braced
+       strings if STAR_IF_BRACED is true.
+       (read_quoted_string, read_braced_string): New functions.
+       * doc/rtl.texi, doc/md.texi: Document new syntax.  Update
+       examples to match.
+
+       * rtl.c: Split RTL reader (read_rtx, read_skip_spaces,
+       traverse_md_constants, fatal_with_file_and_line,
+       fatal_expected_char, read_name, read_string, def_hash,
+       def_name_eq_p, read_constants, and related data) to its own
+       file.  Weed out now-unnecessary #includes.
+       * read-rtl.c: New file.
+       * Makefile.in (HOST_RTL): Add read-rtl.o.
+       (read-rtl.o): New rule.
+       (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies.
+       * doc/gcc.texi (Passes): Talk briefly about the support
+       library used by genfoo.
+       * doc/rtl.texi (Reading RTL): read_rtx is not available in the
+       compiler itself.
+
+2001-06-28  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define.
+       * config/darwin-c.c: New file.
+       * config/darwin-protos.h: Declare new functions.
+       * config/rs6000/t-darwin (darwin-c.o): New rule.
+       * config.gcc (powerpc-*-darwin*): Define c_target_objs and
+       cxx_target_objs.
+       * doc/extend.texi (Pragmas): New section.
+
+Thu Jun 28 20:13:11 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (try_merge_block): Rename to try_optimize_cfg;
+       do basic simplifications on the CFG.
+       (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
+        try_simplify_condjump): New.
+       (redirect_edge_and_branch): Try replace jump insn.
+       (flow_delete_insn): Handle deleting of ADDR_VEC insns.
+
+       * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.
+
+Thu Jun 28 11:19:42 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa-dce.c (eliminate_dead_code): Properly handle control
+       dependencies implied by PHI nodes.
+
+       * ssa-dce.c (eliminate_dead_code): Remove fake edges from the
+       CFG after dead code elimination is complete.
+
+2001-06-28  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * gthr-posix.h [LIBOBJC]: Add weak definitions of
+       sched_get_priority_max, sched_get_priority_min.
+
+2001-06-28  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * diagnostic.c (default_print_error_function): Tweak.
+       (report_error_function): Likewise.
+       * toplev.h (default_print_error_function): Move to...
+       * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
+       * tree.h (print_error_function): Move to...
+       * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
+
+Thu Jun 28 06:16:45 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_assignment): When have varying-length object,
+       make MEM a BLKmode.
+       (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting
+       SAVE_EXPR stack in case we had a SUBREG.
+
+Thu Jun 28 10:31:06 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (cmp?i): Simplify; refuse immediate operand
+       in alternative 0
+       * i386.c (cmpsi_operand): Refuse constants.
+
+       * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
+
+       * flow.c (block_label, redirect_edge_and_branch): Split out from ....
+       (split_edge) .... here;
+
+2001-06-28  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * i386/i386.c (ix86_valid_type_attribute_p): Give external
+       linkage, move declaration to...
+       * i386/i386-protos.h: ...here.
+
+2001-06-27  H.J. Lu  (hjl@gnu.org)
+
+       * build-make (CC): Removed.
+       (HOST_CC): Set to $(CC_FOR_BUILD).
+       (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD).
+       Fix a typo in comments.
+
+       * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when
+       generating auto-build.h for canadian cross compile. Set CC
+       to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'.
+       Save/restore CFLAGS.
+       * configure: Regenerated.
+
+2001-06-27  Jim Wilson  <wilson@redhat.com>
+
+       * emit-rtl.c (gen_highpart): Call validize_mem.
+
+2001-06-27  Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
+       hpux10_cpp_pow_inline.  Not similar enough.
+       (solaris_mutex_init): renamed.  PTHREAD_*_INITIALIZER is a problem for
+       all Solaris versions.  This fix patches MUTEX and COND initializers,
+       the RWLOCK one will wait for someone to complain.  For now, anyway.
+       (uw7_byteorder_fix): It was looking for the byteorder.h file in the
+       wrong directory.
+
+2001-06-27  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (handle_impent): Rewrite to be more portable
+       and to use ASM_DECLARE_CLASS_REFERENCE.
+       * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
+       undocumented DECLARE_CLASS_REFERENCE, add file argument.
+       * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
+
+Wed Jun 27 18:01:09 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
+       by putting complex operands first and constants second.
+
+2001-06-27  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * diagnostic.h: Add documentation. Make macros polymorphic.
+       * diagnostic.c (ideal_line_wrap_cutoff): Remove
+       definition. Replace with diagnostic_line_cutoff.
+       (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule.
+
+2001-06-27  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
+       doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
+       doc/gcov.texi, doc/install-old.texi, doc/install.texi,
+       doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
+       . at end of sentences preceded by a capital letter with @..
+
+2001-06-26  Daniel Berlin  <dan@cgsoftware.com>
+
+       * doc/invoke.texi: Add description of max-gcse-passes param.
+
+       * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES.
+       (MAX_PASSES): Remove now unneeded macro.
+
+       * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of
+       max-gcse-passes param.
+
+       * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling
+       maximum number of GCSE passes to run. Defaults to 1 (which is what
+       MAX_PASSES in gcse.c used to be).
+
+2001-06-27  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * system.h (TARGET_ESC): Move to ...
+       * defaults.h (TARGET_ESC): ... here.
+       * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
+       TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler.
+       * tree.c (default_valid_attribute_p): New.
+       (valid_machine_attribute): Handlers can not be NULL.
+       * tree.h (default_valid_attribute_p): New.
+       * doc/tm.texi: Document TARGET_ESC.
+       * cp/decl2.c (import_export_class): Update.
+
+2001-06-26  Bruce Korb  <bkorb@gnu.org>
+
+       * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot
+       use preprocessing directives inside a string literal.  Fixed.
+
+2001-06-26  Jim Wilson  <wilson@redhat.com>
+
+       * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT):
+       Document.
+
+2001-06-27  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
+       doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
+       doc/tm.texi: Use @: where necessary when a full stop does not end
+       a sentence.
+
+2001-06-27  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
+       whitespace.
+
+2001-06-26  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
+       doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
+       doc/tm.texi: Use two spaces after ends of sentences.
+
+2001-06-26  Daniel Berlin  <dan@cgsoftware.com>
+
+       * toplev.c (display_help): Fix param thinko.
+       * Makefile.in: Fix params.h dependencies.
+
+2001-06-26  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * toplev.c (decode_f_option): Adjust setting.
+       (toplev_main): Call diagnostic_initialize.  Remove call to
+       reshape_diagnostic_buffer._
+
+       * diagnostic.h (struct output_buffer): Add new field format_decoder.
+       (diagnostic_format_decoder): New macro.
+       (diagnostic_prefixing_rule): Likewise.
+       (diagnostic_line_cutoff): Likewise.
+       (set_message_prefixing_rule): Remove.
+
+       * diagnostic.c (lang_printer): Remove.
+       (diagnostic_message_length_per_line): Likewise.
+       (current_prefixing_rule): Likewise.
+       (initialize_diagnostics): Rename to...
+       (diagnostic_initialize): ...this. Tweak.
+       (default_initialize_buffer): Remove.
+       (reshape_diagnostic_buffer): Likewise.
+       (init_output_buffer): Adjust prefixing rule setting.
+       (output_format): Use format_decoder from the output_buffer.
+
+       * c-lang.c (c_init): Adjust tree formatter setting.
+
+2001-06-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
+
+2001-06-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (TARGET_H, TARGET_DEF_H): New.
+       (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update.
+       * c-decl.c (duplicate_decls): Use function pointer.
+       * c-typeck.c (common_type): Similarly.
+       * tree.c (valid_machine_attribute): Similarly.
+       (merge_machine_type_attributes): Rename merge_type_attributes.
+       (merge_machine_decl_attributes): Rename merge_decl_attributes.
+       (merge_dllimport_decl_attributes): New function.
+       * tree.h (merge_machine_type_attributes): Rename merge_type_attributes.
+       (merge_machine_decl_attributes): Rename merge_decl_attributes.
+       (merge_dllimport_decl_attributes): New prototype.
+       * target.h: New.
+       * target-def.h: New.
+
+doc:   (Joseph Myers)
+       * doc/gcc.texi, doc/tm.texi: Update documentation.
+
+cp:    Make-lang.in: Update dependencies.
+       * spew.c: Include target.h.
+       (duplicate_decls): Call target function.
+       * decl2.c: include target.h
+       (import_export_class): Use existence of target function pointer.
+       * typeck.c: Include target.h.
+       (qualify_type_recursive): Rename variable.  Call target function.
+       (type_after_usual_arithmetic_conversions): Similarly.
+       (common_type): Similarly.
+
+config:        * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
+       avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c,
+       d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c,
+       i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c,
+       m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c,
+       mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c,
+       pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c,
+       sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c)
+       : Include target.h and target-def.h.  Define target.
+
+       * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove.
+       * arc/arc.c (arc_valid_machine_decl_attribute): Rename
+       arc_valid_decl_attribute, make static.
+       * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * arm/arm-protos.h (arm_valid_machine_decl_attribute,
+       arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute,
+       arm_pe_merge_machine_decl_attributes): Remove.
+       * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename
+       arm_valid_decl_attribute_p, make static.
+       (arm_pe_valid_decl_attribute_p): Move from pe.c.
+       * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c.
+       (arm_pe_merge_machine_decl_attributes): Move to tree.c.
+       * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New.
+       (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * avr/avr-protos.h (valid_machine_type_attribute,
+       valid_machine_decl_attribute): Remove.
+       * avr/avr.c (valid_machine_type_attribute,
+       valid_machine_decl_attribute): Rename and make static.
+       * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE,
+       VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove.
+       * c4x/c4x.c (c4x_valid_type_attribute_p): Make static.
+       * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * d30v/d30v.h: Remove obsolete comments.
+       * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove.
+       * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make
+       static.
+       * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
+       (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES,
+       i386_pe_valid_type_attributes_p): Remove.
+       * i386/i386-protos.h (ix86_valid_decl_attribute_p,
+       ix86_valid_type_attribute_p): Remove.
+       * i386/i386.c (ix86_valid_decl_attribute_p): Remove.
+       (ix86_valid_type_attribute_p): Make static.
+       * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE,
+       VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c.
+       * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove.
+       * ia64/ia64.c (ia64_valid_type_attribute): Make static.
+       * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove.
+       * m32r/m32r.c (m32r_valid_decl_attribute): Make static.
+       * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p,
+       m68hc11_valid_type_attribute_p): Remove.
+       * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove.
+       (m68hc11_valid_type_attribute_p): Make static.
+       * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE,
+       VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute,
+       mcore_merge_machine_decl_attribute): Remove.
+       * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename,
+       make static.
+       (mcore_merge_machine_decl_attributes): Move to tree.c.
+       * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE,
+       VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
+       * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p,
+       ns32k_valid_type_attribute_p): Remove.
+       * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove.
+       (ns32k_valid_type_attribute_p): Make static.
+       * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE,
+       VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p,
+       rs6000_valid_type_attribute_p): Remove.
+       * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove.
+       (rs6000_valid_type_attribute_p): Make static.
+       * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE,
+       VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+       * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove.
+       * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static.
+       * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+       * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove.
+       * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static.
+       * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+
+2001-06-26  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
+
+       * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold
+       it.
+
+2001-06-26  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * diagnostic.h (struct diagnostic_context): Add new field.
+       (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
+       declaratons.
+       (global_dc): Declare.
+       * diagnostic.c (global_diagnostic_context): New variable.
+       (global_output_buffer): Remove.
+       (global_dc): Define.
+       (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
+       definitions.
+       (initialize_diagnostics): Adjust initialization.
+       (set_diagnostic_context): Adjust setting.
+
+2001-06-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
+       UNALIGNED_SHORT_ASM_OP): Define.
+       * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
+       UNALIGNED_SHORT_ASM_OP): Undef.
+
+Tue Jun 26 12:40:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (float_truncate splitter, and to mov splitters): Add
+       reload_completed; fix operand predicate.
+
+       * haifa-sched.c (sched_init): Do not split insns.
+       * toplev.c (rest_of_compilation): Call split_all_insns before
+       sched1 pass; simplify condition of post-reload splitter;
+       call split_all_insn before sched2 pass.
+
+2001-06-26  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
+       (set_message_prefixing_rule): Adjust prototype.
+       * diagnostic.c (current_prefixing_rule): Adjust type.
+
+2001-06-26  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * defaults.h: Default escape sequences to ASCII.
+       * config/i370/i370.h: Adjust for ASCII default.
+       * config/1750a/1750a.h: Remove escape sequence definitions.
+       * config/a29k/a29k.h: Similarly.
+       * config/alpha/alpha.h: Similarly.
+       * config/arc/arc.h: Similarly.
+       * config/arm/arm.h: Similarly.
+       * config/avr/avr.h: Similarly.
+       * config/c4x/c4x.h: Similarly.
+       * config/clipper/clipper.h: Similarly.
+       * config/convex/convex.h: Similarly.
+       * config/d30v/d30v.h: Similarly.
+       * config/dsp16xx/dsp16xx.h: Similarly.
+       * config/elxsi/elxsi.h: Similarly.
+       * config/fr30/fr30.h: Similarly.
+       * config/h8300/h8300.h: Similarly.
+       * config/i386/i386.h: Similarly.
+       * config/i860/i860.h: Similarly.
+       * config/i960/i960.h: Similarly.
+       * config/ia64/ia64.h: Similarly.
+       * config/m32r/m32r.h: Similarly.
+       * config/m68hc11/m68hc11.h: Similarly.
+       * config/m68k/m68k.h: Similarly.
+       * config/m88k/m88k.h: Similarly.
+       * config/mcore/mcore.h: Similarly.
+       * config/mips/mips.h: Similarly.
+       * config/mn10200/mn10200.h: Similarly.
+       * config/mn10300/mn10300.h: Similarly.
+       * config/ns32k/ns32k.h: Similarly.
+       * config/pa/pa.h: Similarly.
+       * config/pdp11/pdp11.h: Similarly.
+       * config/pj/pj.h: Similarly.
+       * config/romp/romp.h: Similarly.
+       * config/rs6000/rs6000.h: Similarly.
+       * config/sh/sh.h: Similarly.
+       * config/sparc/sparc.h: Similarly.
+       * config/v850/v850.h: Similarly.
+       * config/vax/vax.h: Similarly.
+       * config/we32k/we32k.h: Similarly.
+       * doc/tm.texi: Update documentation.
+
+2001-06-26  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
+
+       * diagnostic.c (digit_buffer): Remove as global.  Move to...
+       * diagnostic.h (struct output_buffer): ... here.
+       * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
+
+2001-06-25  Steve Ellcey  <sje@cup.hp.com>
+
+       * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
+       Define tmake_file to include ia64/t-hpux.
+       * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
+       testing to see if it is defined.
+       * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise.  Default to 0 if
+       undefined.
+       * config/ia64/hpux_longdouble.h: New.
+       * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
+       handling of long doubles.
+       (ia64_function_arg, ia64_function_value): Add checks for TFmode
+       and INTEL_EXTENDED_IEEE_FORMAT.
+       * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
+       (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
+       TFmode and INTEL_EXTENDED_IEEE_FORMAT.
+       * config/ia64/ia64.md (all TFmode patterns): Test
+       INTEL_EXTENDED_IEEE_FORMAT in condition.
+       (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
+       * config/ia64/quadlib.c: New.
+       * config/ia64/t-hpux: New.
+       * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
+
+2001-06-25  Jim Wilson  <wilson@redhat.com>
+
+       * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
+       * config/i960/t-vxworks960: Likewise.
+
+2001-06-25   Dale Johannesen    <dalej@apple.com>
+
+       * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
+       argument to macro).
+
+Mon Jun 25 11:10:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
+
+2001-06-25  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+       doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
+       doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
+       the use of "GCC" and related terms.
+       * doc/gcc.1, doc/gcov.1: Regenerate.
+
+2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
+       doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
+       uses of @refill.
+
+Sun Jun 24 21:21:49 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
+
+2001-06-24  Richard Henderson  <rth@redhat.com>
+
+       * builtins.c (expand_builtin_expect_jump): Disable if the
+       expression can't be re-evaluated.
+
+2001-06-24  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
+       handlers examine register r0-r7, for other interrupt handlers
+       examine r0-r12.  If the interrupt handler is not a leaf function
+       save all call clobbered registers.
+       (arm_output_epilogue): If the prologue has pushed the IP register,
+       restore it here.
+       (Arm_expand_prologue): For interrupt functions that need the frame
+       pointer, push the IP register before it is corrupted.
+
+       * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
+       about the use of signed and unsigned quantities in a conditional.
+
+2001-06-23  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/crtfastmath.c: New file.
+       * config/alpha/t-crtfm: New file.
+       * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
+       * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
+       * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
+       * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
+       do not set extra_parts here.
+
+2001-06-24  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install-old.texi: Remove more documentation of configure
+       options.
+       * doc/install.texi: Add it here.
+
+Sat Jun 23 19:40:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386-protos.h (emit_i387_cw_initialization): Declare.
+       * i386.md (movsi_insv_1): Remove '*'.
+       (fix_trunc?f?i2): Revamp to use control word parameters.
+       (fix_trunc?i_1): Likewise; update splitters.
+       (fix splitter): Remove.
+       * i386.c (MAX_386_STACK_LOCALS): set to 3.
+       (emit_i387_cw_initialization): New function.
+       (output_fix_trunc): Do not initialize control word;
+       kill dead code; simplify.
+
+2001-06-23  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cppmacro.c (make_string_token): Avoid warning.
+       (cpp_macro_definition): Prepend the macro name.  Update
+       comments.
+       * cppmain.c (cb_define, dump_macro): Update for changes
+       to cpp_macro_definition.
+
+Sat Jun 23 10:20:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
+
+Sat Jun 23 01:23:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
+       try_pre_increment_1): compute REG_FREQ using bb->frequency.
+
+       * regclass.c (loop_cost): Kill.
+       (frequency): New global variable.
+       (record_operand_costs): Replace loop_cost by frequency.
+       (scan_one_insn): Likewise.
+       (regclass): Likewise; set frequency according to bb->frequency.
+
+       * flow.c (split_edge): Set frequency.
+
+Sat Jun 23 01:16:42 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (block_info_def): Add nvisited.
+       (propagate_freq): Count nvisited; re-queue delayed blocks; handle
+       irreducible regions.
+
+       * flow.c (dump_edge_info): Dump the probability of edge.
+       (combine_predictions_for_insn): Dump the basic block.
+
+2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Update documentation of source files of C
+       compiler.
+
+2001-06-22  Richard Henderson  <rth@redhat.com>
+
+       * doc/invoke.texi (-funsafe-math-optimizations): Document its
+       possible effects at link time.
+
+2001-06-22  Diego Novillo  <dnovillo@redhat.com>
+
+       * basic-block.h (dump_edge_info): Declare.
+       (clear_edges): Declare.
+       (mark_critical_edges): Declare.
+       * flow.c (dump_edge_info): Remove static declaration.
+       (clear_edges): Ditto.
+       (mark_critical_edges): Ditto.
+       (free_basic_block_vars): Only clear edges and free basic block
+       array if basic_block_info is not NULL.
+       * ssa.c (compute_dominance_frontiers): Remove static declaration.
+       * ssa.h (compute_dominance_frontiers): Declare.
+
+2001-06-22  Toshiyasu Morita  (toshiyasu.morita@hsa.hitachi.com)
+
+       * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
+       instead of const1_rtx for true case.
+
+2001-06-22  David Mosberger  <davidm@hpl.hp.com>
+
+       * config/ia64/crtfastmath.c: New file.
+       * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
+       * config/ia64/linux.h (ENDFILE_SPEC): New.
+
+2001-06-22  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
+
+       * config/h8300/h8300.c (asm_file_start): Remove reference to
+       "release F-1".
+
+2001-06-22  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (verify_tree): Check for x being NULL.
+       * doc/c-tree.texi: Document COMPOUND_BODY of an empty
+       COMPOUND_STMT.
+       Fixes PR c/3259.
+
+2001-06-22  DJ Delorie  <dj@redhat.com>
+
+       * config/arm/arm.h (struct machine_function): Remove ra_rtx.
+       * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
+       (arm_return_addr): Use get_hard_reg_initial_val et al.
+       * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
+       * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
+       (d30v_return_addr): Use get_hard_reg_initial_val et al.
+       * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
+       * config/rs6000/rs6000.c (rs6000_override_options): Don't set
+       mark_machine_status.
+       (rs6000_mark_machine_status): Remove.
+       (rs6000_return_addr): Use get_hard_reg_initial_val.
+       (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
+       * config/v850/v850.h (INIT_EXPANDERS): Delete.
+       * config/v850/v850.c (struct machine_function): Delete.
+       (v850_init_machine_status): Delete.
+       (v850_mark_machine_status): Delete.
+       (v850_free_machine_status): Delete.
+       (v850_return_addr): Use get_hard_reg_initial_val.
+       (v850_init_expanders): Delete.
+
+Fri Jun 22 19:20:59 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_bb_frequencies): Do not handle conditional
+       jumps jumping to fallthru basic block as conditional jumps.
+
+Fri Jun 22 19:11:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * regs.h (struct reg_info_def): Add freq field.
+       (REG_N_REFS): Update comment.
+       (REG_FREQ): New.
+       * regclass.c (scan_one_insn): Update REG_FREQ.
+       * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
+       (attempt_auto_inc): Likewise.
+       (mark_used_reg): Likewise.
+       (try_pre_increment_1): Likewise.
+       * local-alloc.c (struct qty): Add freq field.
+       (alloc_qty): Set freq.
+       (update_equiv_regs): Set REG_FREQ.
+       (QTY_CMP_PRI): Use freq.
+       (combine_regs): Update qty->freq.
+       * global.c (struct allocno): Update comment for n_refs;
+       add freq field.
+       (local_reg_freq): New array.
+       (global_alloc): Update freq field;
+       allocate and initialize local_reg_freq.
+       (allocno_compare): Use freq field.
+       (find_reg): Likewise.
+       * reload1.c (count_pseudo): Use freq isntead of n_refs.
+       (count_spilled_pseudo): Likewise.
+
+       * tm.texi (GCOV_TYPE_SIZE): Document.
+       * basic-block.h (gcov_type): Define.
+       (struct edge_def): Use gcov_type for count field.
+       (struct basic_block_def): Likewise.
+       * defaults.h (GCOV_TYPE_SIZE): Define.
+       * final.c (end_final): Use GCOV_TYPE_SIZE.
+       * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
+       using HOST_WIDEST_INT_PRINT_DEC.
+       * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
+       __write_gcov_type): New.
+       (store_long): Remove.
+       * gcov.c (gcov_type): Set default.
+       (struct adj_list): Use gcov_type for arc_count.
+       (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
+       (create_program_flow_graph): Read arc_count properly.
+       (solve_program_flow_graph): 'total' is gcov_type.
+       (output_data): Line_counts is gcov_type, print it properly.
+       * libgcc2.c (struct bb): Counts is gcov_type.
+       (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
+       * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
+       (GCOV_TYPE_SIZE): Define.
+       (struct bb_info): succ_count and pred_count is gcov_type.
+       (compute_branch_probabilities): Use __read_gcov_type,
+       print read edges to the dump file.
+       (total): Is gcov_type.
+       (gen_edge_profiler): Use GCOV_TYPE_SIZE.
+
+2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * optabs.c (emit_libcall_block): When using non-call exceptions,
+       don't mark libcalls never throwing.
+
+2001-06-21  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (hash_init): Use xcalloc.
+
+2001-06-21  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (entry_exit_blocks): Initialize frequency.
+       (split_block): Copy it.
+       (dump_flow_info): Dump it.
+
+Thu Jun 21 22:15:10 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
+       from machine-depedent_reorg for purposes of alignment supression
+       when no delay slot insn has been added.
+
+2001-06-21  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cppmacro.c (make_string_token): Null terminate.
+
+2001-06-21  DJ Delorie  <dj@redhat.com>
+
+       * config/alpha/alpha.h (struct machine_function): Remove.
+       * config/alpha/alpha.c (integrate.h): Include.
+       (override_options): Don't set up machine_status hooks.
+       (alpha_init_machine_status): Remove.
+       (alpha_mark_machine_status): Remove.
+       (alpha_free_machine_status): Remove.
+       (alpha_return_addr): Use get_hard_reg_initial_val.
+       (alpha_gp_save_rtx): Likewise.
+       (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
+
+2001-06-20  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/sh/sh.md (interrupt_function): Use
+       current_function_interrupt.
+       (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
+       an interrupt function.
+
+       * config/sh/sh.h (current_function_interrupt): Define extern.
+
+       * config/sh/sh.c (current_function_interrupt): New global.
+       (sh_expand_prologue): Set current_function_interrupt.
+
+2001-06-21  Phil Edwards  <pme@sources.redhat.com>
+
+       * doc/install.texi:  Add 'c' to list of --enable-languages choices.
+
+2001-06-21  DJ Delorie  <dj@redhat.com>
+
+       * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
+
+       * integrate.c (ggc.h): Include.
+       (initial_value_pair, initial_value_struct,
+       setup_initial_hard_reg_value_integration): Add prototypes.
+       (expand_inline_function): Call
+       setup_initial_hard_reg_value_integration.
+       (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
+       get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
+       to keep track of values present at the start of a function.
+       (mark_hard_reg_initial_vals): New, for gc.
+       (setup_initial_hard_reg_value_integration): New.  Sets up pseudo
+       mappings for initial values.
+       (emit_initial_value_sets): New.  Emits code to set initial value
+       pseudos.
+       * integrate.h: Add prototypes for new functions.
+       * function.h (struct function): Add hard_reg_initial_vals field.
+       * function.c (integrate.h): Include.
+       (mark_function_status): Call
+       mark_hard_reg_initial_vals.
+       * toplev.c (integrate.h): Include.
+       (rest_of_compilation): Call emit_initial_value_sets.
+
+2001-06-21  Stan Shebs  <shebs@apple.com>
+
+       * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
+       doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
+       doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
+       everywhere instead of "Objective C".
+
+2001-06-21  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+       doc/gcc.texi, doc/install-old.texi, doc/install.texi,
+       doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
+       "back end" as nouns and "front-end" and "back-end" as adjectives.
+
+Wed Jun 20 21:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_probability): Fix loop bounds.
+
+Wed Jun 20 19:10:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * toplev.c (rest_of_compilation): Run mark_constant_function
+       before profile-arcs.
+
+Wed Jun 20 19:08:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_loops_at_level, propagate_freq
+       estimate_bb_frequencies, count_to_freqs): New functions.
+       (estimate_probability): Call estimate_bb_frequencies.
+       * basic-block.h (basic_block_def): Add field "freq".
+       (BB_FREQ_MAX): New constant.
+
+Wed Jun 20 17:02:50 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * sh.c (barrier_align): Don't ask for alignment when seeing a
+       branch-around-a-jump from machine_dependent_reorg.
+
+Wed Jun 20 08:35:02 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa.c (rename_block): Update parameter to remove_phi_alternative
+       (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
+       re-running life analysis.
+
+2001-06-20  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
+       also use memset to clear the hash tables.
+       (hash_enter): Assume xmalloc always succeeds.
+       (hash_add_attr): Ditto.
+       (continue_class): Ditto.
+
+2001-06-20  Michael Meissner  <meissner@redhat.com>
+
+       * builtins.c (predict.h): Include.
+       (expand_builtin_expect): Update comment.
+       (expand_builtin_expect_jump): New function to expand
+       __builtin_expect inside of a conditional jump expansion.
+
+       * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
+       __builtin_expect (<test>, 1).
+
+       * Makefile.in (builtins.o): Depend on $(PREDICT_H).
+
+       * rtl.h (expand_builtin_expect_jump): Add prototype.
+
+2001-06-19  Geoffrey Keating  <geoffk@redhat.com>
+
+       * doc/rtl.texi (Machine Modes): Correct description of
+       floating-point modes on machines with non-8-bit bytes.
+
+2001-06-19  Bernd Schmidt  <bernds@redhat.com>
+
+       * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
+       carries a REG_EQUIV note.  If it carries REG_EQUAL, delete the
+       note.
+
+Tue Jun 19 07:53:52 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ssa.c (remove_phi_alternative): Remove declaration.  No longer
+       static.  Second argument is a pointer to a basic block structure,
+       not a basic block index.
+       (convert_to_ssa): Do not remove dead code.
+       (convert_from_ssa): Do not remove dead code to create death notes.
+       * ssa.h (remove_phi_alternative): Declare.
+
+       * flow.c (delete_unreachable_blocks): Fix patch error in
+       previous change (call to find_unreachable_blocks was lost).
+
+       * ssa.c (ssa_uses): Remove definition.
+       (apply_delayed_renames): Don't grow ssa_uses.
+       (rename_block): Remove comment related to ssa_uses.
+       (rename_registers): Do not initialize ssa_uses.
+       (convert_from_ssa): Do not free ssa_uses.
+
+       * ssa-dce.c: Renamed from dce.c.
+       * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
+       (dependencies): Replace dce.c with ssa-dce.c and dce.o with
+       ssa-dce.o.
+
+2001-06-19  Eric Christopher <echristo@redhat.com>
+
+       * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
+       and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD.  Use
+       GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
+
+Tue Jun 19 01:52:27 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * sh.c (output_branch): Delete bogus code.
+
+       * sh.c (initial_elimination_offset):
+       Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
+
+Mon Jun 18 12:50:49 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * flow.c (find_unreachable_blocks): New function.
+       (delete_unreachable_blocks): Use find_unreachable_blocks.
+       * basic-block.h (find_unreachable_blocks): Declare.
+
+       * dce.c (eliminate_dead_code): Fix formatting glitch.
+
+2001-06-18  Jason Merrill  <jason_merrill@redhat.com>
+
+       * c-common.h (RETURN_NULLIFIED_P): New macro.
+       * c-semantics.c (genrtl_return_stmt): Check it.
+
+       * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
+       (emit_block_move): Likewise.
+
+Mon Jun 18 17:27:24 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * unroll.c: Include predict.h.
+       (unroll_loop): Drop prediction notes on preconditioning.
+       * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
+       New; add comments on the others.
+       * Makefile.in: (unroll.o): Add dependency on predict.h.
+       * loop.c (strength_reduce): Fix branch prediction.
+
+Mon Jun 18 17:26:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * stmt.c (emit_case_nodes): Optimize test whether index is in given
+       interval.
+
+Mon Jun 18 15:43:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (estimate_probability): Do not bail out early
+       when note is present.
+       (combine_predictions_for_insn): Fix note removal code.
+
+2001-06-18  Ben Elliston  <bje@redhat.com>
+
+       * except.c (resolve_fixup_regions): Initialize "cleanup".
+
+2001-06-17  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
+
+Sat Jun 16 20:20:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
+       use put_var_into_stack.
+
+2001-06-16  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * gccspec.c (lang_specific_driver): If compiling ObjC, add
+       -shared-libgcc when necessary.
+       * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
+
+2001-06-16  Daniel Berlin  <dan@cgsoftware.com>
+
+       * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
+       bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
+       bitmap_last_set_bit. All for compatibility with sbitmap's.
+
+       *bitmap.c (bitmap_zero): New function.
+       (bitmap_union_of_diffs): New function.
+       (bitmap_first_set_bit): New function.
+       (bitmap_last_set_bit): New function.
+
+2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi, invoke.texi: Update.
+       * cpp.1, gcc.1: Regenerate.
+
+Sat Jun 16 12:45:20 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (minsf): Fix splitter. (PR fortran/3191)
+
+2001-06-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * doc/cpp.texi: Update.
+       * doc/cpp.1: Regenerate.
+
+2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
+
+       * doc/install.texi: Use correct markup hints.
+
+Fri Jun 15 18:05:22 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
+
+       * explow.c (expr_size): If DECL and size specified, use it.
+
+2001-06-15  Zack Weinberg  <zackw@stanford.edu>
+
+       * doc/cpp.texi: Formatting corrections.
+       Correct buggy example of use of __GNUC__ etc.
+       Clarify $ in identifiers.
+       * doc/cpp.1: Regenerate.
+
+Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka  <jh@suse.cz>
+
+       * optabs.c (expand_twoval_binop): Avoid undefined behavior.
+
+2001-06-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
+       etc. spelling.
+       (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
+       Added Tru64 UNIX V5.1 bootstrap hints.
+       (Specific, alpha*-*-osf*): Removed old section, obsolete.
+
+2001-06-15  Andreas Jaeger  <aj@suse.de>
+
+       * doc/install.texi (Specific): Mention that glibc cannot be
+       compiled with GCC 3.0.
+
+2001-06-14  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * combine.c (nonzero_bits): Don't optimize away division by
+       zero.
+
+2001-06-15  Zack Weinberg  <zackw@stanford.edu>
+
+       * doc/cpp.texi: Revised and brought up to date.
+       * doc/cpp.1: Regenerate.
+
+2001-06-15  Loren J. Rittle  <ljrittle@acm.org>
+
+       * doc/install.texi: Update --enable-threads to match reality.
+
+2001-06-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * doc/install.texi: Update for C4x.
+       * README.C4X: Remove.
+
+2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+       doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
+       doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
+       Consistently use "built-in" and "bit-field".  Minor logical markup
+       improvements.
+       * doc/gcc.1: Regenerate.
+
+2001-06-14  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/mips.md (exception_receiver): New.
+
+2001-06-14  Daniel J. Berlin <dan@cgsoftware.com>
+
+       * doc/gcc.texi:  Update passes documentation to be more in tune
+       with reality.
+
+Thu Jun 14 15:38:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_prologue): Fix merging conflict.
+
+2001-06-14  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+       doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
+       doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
+       logical markup.  Use TeX quotes and dashes.  Use @dots{} and
+       @minus{}.  Avoid spaces inside @var.  Update last modification
+       date in gcc.texi.
+       * doc/gcc.1, doc/gcov.1: Regenerate.
+
+Thu Jun 14 12:44:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
+       x86_epilogue_using_move): New global variables.
+       (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
+       (ix86_emit_save_regs_using_mov): New static function.
+       (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
+       * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
+       MASK_MIX_SSE_I387): Renumber.
+       (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
+       (x86_accumulate_outgoing_args, x86_prologue_using_move,
+       x86_epilogue_using_move): Declare.
+       (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
+
+2001-06-13  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * inclhack.def (hpux10_cpp_pow_inline): New hack.
+
+2001-06-13  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (dead_or_predicable): Fix return value last patch.
+
+2001-06-13  Mark Mitchell  <mark@codesourcery.com>
+
+       * NEWS: Remove.
+
+2001-06-13  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
+       (cond_exec_process_if_block, dead_or_predicable): Likewise.
+
+2001-06-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * mips-tfile.c (copy_object): Always pass indexNil for symbol
+       table index.
+
+2001-06-13  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.h (OK_FOR_T): Remove.
+       (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
+       * config/h8300/h8300.md: Remove alternatives involving inc and dec
+       in the helper patterns for addhi3 and addsi3.
+
+2001-06-13  Phil Edwards  <pme@sources.redhat.com>
+
+       * doc/contrib.texi:  Link to libstdc++'s thanks.html for now.
+
+2001-06-13  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
+       * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
+
+       * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
+       config/alpha/t-osf4, config/mips/t-iris6: Extract all
+       references to @shlib_map_file@, @shlib_objs@, or
+       @shlib_base_name@ to Makefile variables.
+       Bump soname version of libgcc to 1.
+
+2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi: Use more logical markup.  Include @node
+       commands in the source when generating any non-HTML.
+
+2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * README: Remove.  Some of the contents moved to ../README.
+
+2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * doc/install.texi (--enable-shared): List package names
+       recognized by GCC.
+
+2001-06-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * doc/install.texi (ix86-*-solaris*): Removed, outdated.
+       (*-*-solaris*): Document problem in /bin/sh that affects
+       configuring libraries.
+       (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
+       (*-sun-solaris2.8): Document linker problem that explains why
+       libjava is disabled by default.
+
+2001-06-09  Mark Mitchell  <mark@codesourcery.com>
+
+       Revert this patch:
+       * toplev.c (rest_of_compilation): Remove dead code before
+       purge_addressof.
+
+2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       Reverted:
+       2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
+       * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
+       * configure: Rebuilt.
+
+2001-06-12  Jim Wilson  <wilson@redhat.com>
+
+       * loop.c (strength_reduce): Move bl->all_reduced set before
+       check_ext_dependant_givs call.
+       (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
+
+2001-06-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * doc/extend.texi (Function Attributes): Document SH's sp_switch
+       and trap_exit.
+
+2001-06-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/invoke.texi: Use more logical markup.  Use TeX quotes,
+       dashes and @dots{}.
+
+2001-06-12  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_prologue): Always use
+       gen_pro_epilogue_adjust_stack; update arguments.
+       (ix86_expand_epilogue): Likewise.
+       (ix86_emit_epilogue_esp_adjustment): Remove.
+       (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
+       * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
+       clobber of scratch memory instead of a modification of EBP as the
+       barrier.  Update all peepholes to match.
+
+2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Change the font used for @def... commands to a
+       fixed width font.
+       * doc/extend.texi: Use more logical markup.  Use "built-in"
+       instead of "builtin".  Use @deftypefn to mark up built-in
+       functions; specify their types in the @deftypefn and not in the
+       descriptive text.  Use TeX quotes and dashes.  Add more index
+       entries.
+
+2001-06-12  lars brinkhoff  <lars@nocrew.org>
+
+       * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
+       (DIR_SEPARATOR_2): Likewise.
+
+2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi (--exec-prefix, --bindir, --libdir,
+       --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
+       Document.
+       (--enable-cpp): Change to document --disable-cpp instead; update
+       to reflect current default.
+       (--without-fast-fixincludes): Remove documentation.
+       (Final install): Document installation directories in more
+       detail.  Document use of make dvi.
+
+Tue Jun 12 19:01:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (validate_replace_rtx_1): Fix previous patch.
+
+Tue Jun 12 17:25:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (validate_replace_rtx_1): Do plus_constant call always.
+
+Tue Jun 12 17:24:07 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (simplify_subreg): Allow volatile memory
+       to be subregged in case we don't have move instruction.
+
+Tue Jun 12 12:20:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * loop.c: Include predict.h
+       (strength_reduce): Drop branch prediction note in case
+       number of iterations is known.
+       * predict.def (PRED_LOOP_ITERATIONS): new.
+       * Makefile.in (loop.o): Add dependency on predict.h
+
+2001-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
+
+       * c-typeck.c (c_start_case): Likewise.
+
+2001-06-12  Mark Mitchell  <mark@codesourcery.com>
+
+       * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
+       in a structure at a variable address.
+
+2001-06-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcov.texi: Use more logical markup.
+
+2001-06-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
+       REG_NOTE_KIND, not PUT_MODE and GET_MODE.
+       (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
+       valid.
+
+2001-06-11  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (ASM_FILE_END): Remove decl of language_string.
+
+2001-06-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
+       as an early clobber to make sure it is not used by reload in
+       one of the operands.
+
+2001-06-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * doc/c-tree.texi: Update information about flag_honor_std.
+       * doc/install.texi: Note that binutils is required on HPUX 11.
+       * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
+       now the default.
+
+       * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
+       variable-sized types.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/md.texi: Use TeX dashes and quotes.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/rtl.texi: Reference manual chapter about trees.
+
+2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
+       (WINT_TYPE): Override.
+       (WINT_TYPE_SIZE): Likewise.
+       (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
+
+       * config/sparc/sol2.h (WINT_TYPE): Define.
+       (WINT_TYPE_SIZE): Likewise.
+
+       * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
+       (WINT_TYPE): Override.
+       (WINT_TYPE_SIZE): Likewise.
+       (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
+       (CPP_ARCH64_SPEC): Likewise.
+
+2001-06-11  Richard Henderson  <rth@redhat.com>
+
+       * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
+       with alias attribute.
+
+       * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
+       * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
+
+2001-06-11  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
+
+2001-06-11  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.c (darwin_encode_section_info):  Rewrite to simplify
+       and fix coding mistakes.
+
+2001-06-11  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/m32r/m32r.md (movstrsi_internal): Do not expect a
+       return string from m32r_output_block_move.
+       * config/m32r/m32r-protos.h: Make m32r_output_block_move a
+       void function.
+       * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
+       integer overflow.
+       (ROUND_ADVANCE): Remove signed/unsigned conflict.
+       * config/m32r/m32r.c: Declare prototypes for static functions.
+       (move_src_operand): Replace INT32_P with UINT32_P.
+       (function_arg_partial_nregs): Fixed signed/unsigned conflict
+       in initialisation of 'size'.
+       (m32r_sched_reord): Remove redundant declarations of 'code'.
+       (m32r_output_block_move): Change to a void function.
+       (m32r_encode_section_info): Cast return of
+       TREE_STRING_POINTER to avoid compile time warning.
+
+2001-06-11  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
+       * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
+       (struct machine_function): Add gp_save_rtx.
+       * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
+       (alpha_gp_save_rtx): New.
+       * config/alpha/alpha-protos.h: Declare it.
+       * config/alpha/alpha.md (exception_receiver): Make an expander.
+       Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
+
+2001-06-11  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
+
+2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * configure.in: Align --help messages.
+       Remove trailing full stops.
+       Consistently use lower case.
+       Fix DWARF 2 spelling.
+       * configure: Rebuilt.
+
+2001-06-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
+       variants for .cpp/.cp/.c++ files.
+       Move definition of __LANGUAGE_C_PLUS_PLUS ...
+       (CPLUSPLUS_CPP_SPEC): ... here.
+
+Mon Jun 11 15:47:45 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-decl.c (store_parm_decls): When comparing types in an
+       old-style function declaration with those from a previous
+       prototype, compare the unqualified versions of parameter types.
+       Fixes PR c/3116.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/objc.texi: Use more logical markup.  Use TeX dashes.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi: Use more logical markup.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-decl.c (xref_tag): Don't return previous tags of wrong type.
+
+2001-06-11  Aldy Hernandez  <aldyh@redhat.com>
+
+       * loop.c (scan_loop): Do not combine asm statements.
+
+2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * simplify-rtx.c (simplify_subreg): Fix offset calculation
+       for complex values within a CONCAT.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi: Update details of what components are included
+       in the GCC distribution.  Update default directory for g++
+       includes.  Update documentation relating to old libio.  Adjust
+       documentation on DejaGnu environment variables.  Remove
+       documentation of --enable-cpplib.
+
+2001-06-11  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/contrib.texi: Fix alphabetical order.  Fix typos.  Improve
+       markup.
+
+2001-06-10  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (life_data_ok): New.
+       (merge_if_block): Use it to determine whether to update
+       global_live_at_end.
+       (if_convert): Set it.
+
+2001-06-10  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
+
+2001-06-10  Alexandre Oliva  <aoliva@redhat.com>
+
+       * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
+       (SH Options): Document -mieee.
+       * doc/install.texi (Final install): Remove obsolete information
+       about installing cross compilers.
+       * doc/gcc.1: Rebuilt.
+
+2001-06-10  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (override_options): Set align_loops,
+       align_jumps, and align_functions.
+       * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
+       (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
+
+2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
+       are one and two words in size.
+
+2001-06-10  Richard Henderson  <rth@redhat.com>
+
+       * doc/invoke.texi (Optimization Options): Document -fpeephole2.
+       (Code Generation Options): Document -fnon-call-exceptions.
+
+2001-06-10  Mark Kettenis  <kettenis@gnu.org>
+
+       * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
+
+2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * m68hc11.md (peepholes): Remove unused and wrong peepholes.
+
+2001-06-10  Mark Mitchell <mark@codesourcery.com>
+           Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * Makefile.in (c-parse.o): Depend on diagnostic.h
+       (dwarf2out.o): Likewise.
+
+       * dwarf2out.c: #include diagnostic.h
+
+       * toplev.h (warningcount, errorcount, sorrycount): Remove
+       declarations.
+
+       * toplev.c (warningcount, errorcount, sorrycount): Remove
+       definitions.
+
+       * diagnostic.h (struct output_buffer): Reorder fields.
+       (diagnostic_kind_count): New macro.
+       (errorcount, warningcount, sorrycount): Define as macros.
+       (diagnostic_report_warnings_p): New macro.
+       (output_state): Add diagnostic_count field.
+
+       * diagnostic.c (warningcount, errorcount, inhibit_warnings):
+       Remove tentative declaration.
+       (count_error): Use diagnostic_report_warnings_p.
+
+       * c-parse.in: #include diagnostic.h
+
+2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
+       prefer a memory for operand 1.
+       ("*addsi3"): Fix constraints, the '!' was too strong.
+       ("*addsi3_split"): Accept soft register and split accordingly.
+
+2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
+       Move definition in the RTX_CODE section.
+
+2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
+       address as relative to the argument pointer.
+
+Sun Jun 10 10:58:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def (PRED_OPCODE): Place before call and error_return.
+
+Sun Jun 10 10:00:17 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
+       * predict.c (estimate_probability): Calculate dominance
+       information; improve detection of NORETURN heuristics;
+       add call/error_return heuiristics; tweak comparison heuristics
+       to recognize -1.
+
+2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
+
+       * doc/invoke.texi (C Dialect Options): Document -aux-info.
+       (Debugging Options): Document -print-multi-directory and
+       -print-multi-lib.
+       * doc/gcc.1: Rebuilt.
+
+       * toplev.c (independent_decode_option): Require `=' between
+       `-aux-info' and filename in the same argument.
+       * gcc.c: Don't pass -aux-info=filename twice.
+
+2001-06-09  Mark Mitchell  <mark@codesourcery.com>
+
+       * expr.c (expand_expr, case ARRAY_REF): Do not replace
+       an array element with the known initializing value if it has
+       side-effects.
+
+       * toplev.c (rest_of_compilation): Remove dead code before
+       purge_addressof.
+
+2001-06-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (print_help): Document -fpreprocessed.
+       * invoke.texi: Similarly.
+
+Sun Jun 10 00:35:37 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.def: New file.
+       * predict.h: New file.
+       * predict.c: Include predict.h.
+       (predictor_info): New structure and array.
+       (predict_edge, predict_insn): Rewrite; make global.
+       (predict_edge_def, predict_insn_def): New global functions.
+       (dump_prediction, combine_predictions_for_insns): New
+       static functions.
+       (estimate_probability): Change calls to predict_edge
+       to predict_edge_def and calls to predict_insn to predict_insn_def;
+       combine probabilities.
+       (expected_value_to_br_prob): Behave as predictor.
+       * rtl.h (REG_BR_PRED): Update coment.
+       (invert_br_probabilities): New.
+       * jump.c: Include predict.h
+       (duplicate_loop_exit_test): Drop branch prediction notes.
+       (invert_jump): Use invert_br_probabilities.
+       * Makefile.in: Add dependency on predict.h for jump and predict pass.
+       * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
+       * combine.c (distribute_notes): Handle BR_PRED.
+
+Sat Jun  9 23:29:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (predict_insn, predict_edge): New static functions.
+       (estimate_probability): Revamp to use new functions;
+       fix loop header heruistics; add loop exist heruistics
+
+2001-06-09  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
+
+2001-06-09  Peter Jakubek <pjak@snafu.de>
+
+       * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
+
+2001-06-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
+       for integer operations that don't update C bit.
+
+2001-06-09  Nicola Pero <nicola@brainstorm.co.uk>
+
+       * gthr-posix.h (__gthread_objc_init_thread_system): If
+       pthread_key_create fails, it's not clear what the return value is.
+       This obvious fix makes sure it always returns -1 if a problem
+       occurs.
+
+2001-06-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Use @defcodeindex for the index of options.  Add
+       more index entries.  Use more logical markup where appropriate.
+       Use TeX quotes and dashes.
+
+2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>
+
+       * unwind-pe.h: Conditionally qualify references to abort with
+       std::.
+
+2001-06-09  Julian Foad <julian_foad@hotmail.com>
+
+       * doc/invoke.texi: Remove superfluous text.
+
+2001-06-08  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
+       (LIB_SPEC): Mirror config/linux.h version.
+
+2001-06-08  Richard Henderson  <rth@redhat.com>
+
+       * except.c (get_exception_pointer, get_exception_filter): Take a
+       struct function.  Update all callers.
+       * except.h (get_exception_pointer): Update declaration.
+       * expr.c (expand_expr): Update get_exception_pointer call.
+       * integrate.c (expand_inline_function): Remap the exception pointer
+       from callee to caller.
+
+2001-06-08  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
+       accurately reflect its cv-qualification.
+       * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
+       cv-qualifiers on function types.
+
+2001-06-08  Mark Mitchell  <mark@codesourcery.com>
+
+       * basic-block.h: Improve comments.
+       * except.c (expand_eh_region_end_allowed): Remove redundant call
+       to do_pending_stack_adjust.
+       * flow.c (life_analysis): Fix typo in comment.
+       (calculate_global_regs_live): Add documentation.
+       (mark_set_1): Likewise.
+       (debug_regset): Likewise.
+       * doc/rtl.texi (cond_exec): Document it.
+
+Fri Jun  8 21:52:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (CONST_COSTS): set cost of constants representable in
+       immediate fields to 0.
+
+Fri Jun  8 21:34:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * function.c (diddle_return_value): Kill code to determine
+       return value before expand_function_end.
+       (expand_function_end): Delay call to clobber_return_register
+       after fucntion return value is computed.
+
+       Re-install temporary reverted patch:
+       * toplev.c (rest_of_compilation): Call split_all_insns
+       before reg-stack and shorten-branches. Do shorten-branches
+       after reg-stack.
+       * final.c (shorten_branches): Remove insn splitting code.
+
+2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi, doc/invoke.texi: Add index of command line
+       options.  Use @opindex to index them rather than other indexing
+       commands.  Use @var{...} instead of <...>.  Avoid spaces in names
+       inside @var.  Don't use @kindex to index escape sequences in
+       source code.
+
+2001-06-08  Jason Merrill  <jason_merrill@redhat.com>
+
+       * stmt.c (current_nesting_level): New fn.
+       * tree.h: Declare it.
+       * c-semantics.c (genrtl_compound_stmt): Use it.
+
+       * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
+
+2001-06-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * jump.c (mark_modified_reg): Allow jump threading if condition
+       codes are represented by a hard register.
+
+2001-06-08  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
+       for complex floats passed to unprototyped functions.
+
+2001-06-08  Mark Mitchell  <mark@codesourcery.com>
+
+       * except.c (expand_eh_region_end_allowed): Call
+       do_pending_stack_adjust as necessary.
+
+Fri Jun  8 14:16:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * function.c (clobber_return_register): Clobber the pseudo return
+       register too.
+
+       * sibcall.c (skip_unreturned_value): New function.
+       (call_ends_block_p): Use it.
+
+       * recog.c (split_insn): Break out from ...
+       (split_all_insns): ... here; do not use basic block information
+       when it is broken.
+
+Thu Jun  7 18:27:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (simplify_subreg):  Fix verification of
+       combined subreg.
+
+2001-06-08  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
+       Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
+       Move definition of _LANGUAGE_C_PLUS_PLUS ...
+       (CPLUSPLUS_CPP_SPEC): ... here.
+       Fixes PRs c++/3047, target/441.
+
+2001-06-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi2html (MAKEINFO): Keep value if set already.
+
+2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi: Add trailing slash to URL.
+
+2001-06-07  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (ENCODE_SECTION_INFO): Define.
+       (REDO_SECTION_INFO_P): Ditto.
+       (STRIP_NAME_ENCODING): Ditto.
+       (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
+       (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
+       (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
+       (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
+       * config/darwin.c: No longer include c-tree.h.
+       (machopic_classify_ident): Rewrite to use symbol encoding.
+       (lookup_name_darwin): Remove.
+       (machopic_non_lazy_ptr_name): Handle encoded symbols.
+       (machopic_stub_name): Use STRIP_NAME_ENCODING.
+       (machopic_validate_stub_or_non_lazy_ptr): Ditto.
+       (machopic_finish): Ditto, remove test of decl.
+       (update_non_lazy_ptrs): New function.
+       (darwin_encode_section_info): New function.
+       * config/darwin-protos.h: Declare it.
+       * config/rs6000/rs6000.c (machopic_output_stub): Use
+       STRIP_NAME_ENCODING.
+
+2001-06-07  Mark Mitchell  <mark@codesourcery.com>
+
+       * tree.h (DECL_SOURCE_FILE): Improve documentation.
+       (DECL_SOURCE_LINE): Likewise.
+
+2001-06-07  Loren J. Rittle  <ljrittle@acm.org>
+
+       * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
+       from config/elfos.h.
+
+2001-06-07  Phil Edwards  <pme@sources.redhat.com>
+
+       * linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
+       * pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.
+
+2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/contrib.texi: Add copyright notice.
+
+2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/md.texi: Use four digit years in copyright notice.
+
+2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * config.gcc: For $target_alias of athlon-*, set
+       target_cpu_default2=5.
+
+Thu Jun  7 16:17:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
+       end of last block if last real insn is a JUMP_INSN.
+
+2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * NEWS: Regenerate.
+
+2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
+       pthread_t to objc_thread_t.
+       (__gthread_objc_thread_id): Likewise.
+
+2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
+       (ASM_OLDAS_SPEC): Likewise.
+
+       * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
+       (CPP_SUBTARGET_SPEC): Use it.
+       (ASM_OLDAS_SPEC): Define.
+       (ASM_SPEC): Use it.
+       (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
+
+2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
+       passed by reference.
+
+2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
+       Document use of N_(...), and show it in examples.  Note that
+       documentation should be added to invoke.texi.  Avoid an overfull
+       hbox.
+
+Thu Jun  7 17:09:50 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * toplev.c (rest_of_compilation): Revert previous patch.
+       * final.c (shorten_branches): Likewise.
+
+2001-06-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
+       Remove.
+
+2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install-old.texi: Remove more obsolete documentation.
+
+Thu Jun  7 13:20:14 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
+
+Thu Jun  7 12:12:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * toplev.c (rest_of_compilation): Call split_all_insns
+       before reg-stack and shorten-branches. Do shorten-branches
+       after reg-stack.
+       * final.c (shorten_branches): Remove insn splitting code.
+
+2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
+       * configure: Rebuilt.
+
+2001-06-07  Andreas Jaeger  <aj@suse.de>
+
+       * emit-rtl.c (operand_subword): Remove unused variable.
+
+Wed Jun  6 14:51:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (floatdi?f): Avoid usinf of SSE instructions
+       if TARGET_64BIT is false.
+       (floatdi?f_i386_only): New insn.
+       (floatdi?f_i386): Disable for !TARGET_64BIT.
+
+       * (min?f, max?f splitters): Handle case where
+       operands are cross-matched.
+
+       * i386.h (HI_REGISTER_NAMES): Remove redundant definition
+       (MMX_REGISTER_NAMES): Kill.
+       (PRINT_OPERAND): Fix comment.
+       (PRINT_REG): Likewise.
+       * i386.c (print_reg): Kill support for 'm' CODE; simplify.
+       (print_operand): Update comment; kill 'm'.
+
+       * i386.c (x86_branch_hints): New global variable
+       (print_operand): Support outputting of branch prediction hints.
+       * i386.md (conditional jump patterns): Add branch prediction hints
+       to the template.
+       * i386.h (x86_branch_hints): Declare
+       (TARGET_BRANCH_PREDICTION_HINTS): New macro.
+       (PRINT_OPERAND_FUNCT_VALID_P): New.
+       * final.c (final_forward_branch_p): New function.
+
+2001-06-06  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (mark_used_reg): Clean up looping over multiple hard
+       registers.  Do conditional life bits across multiple hard regs.
+
+2001-06-05  Jeffrey D. Oldham  <oldham@codesourcery.com>
+
+       * reload1.c (reload): Revert Schmidt's change so all USEs are not
+       deleted during reload.
+
+2001-06-05  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-semantics.c (genrtl_scope_stmt): Write out nested inline
+       functions here, instead of ...
+       * c-decl.c (c_expand_body): ... here.
+
+2001-06-05  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc, config/sparc/bsd.h:  Do not directly include
+       sparc/sparc.h.  Instead do it via tm_file.
+
+2001-06-05  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2.h (DW_EH_PE_aligned): New.
+       * dwarf2asm.c (eh_data_format_name): Name it.
+       (dw2_asm_output_encoded_addr_rtx): Align for it.
+       * dwarf2out.c (output_call_frame_info): Handle it for personality
+       routine and LSDA pointers.
+
+       * unwind-pe.h (DW_EH_PE_aligned): New.
+       (base_of_encoded_value): Handle it.
+       (read_encoded_value_with_base): Likewise.
+       * unwind-dw2-fde.c (base_from_object): Likewise.
+       (get_cie_encoding): Likewise.
+
+       * config/alpha/elf.h: Remove ecoff commentary.
+       * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+2001-06-05  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc, config/i386/bsd386.h:  Do not directly include
+       i386/386bsd.h.  Instead do it via tm_file.
+
+2001-06-05  David O'Brien  <obrien@FreeBSD.org>
+
+       * elfos.h (USING_ELFOS_H):  Identify the use of elfos.h in the same
+       way svr4.h does.
+
+2001-06-05  Pascal Obry  <obry@act-europe.fr>
+
+       * configure.in: Quote $enable_win32_registry in case the value has
+       spaces in it.
+       * configure: Ditto.
+
+2001-06-05  Mark Mitchell  <mark@codesourcery.com>
+
+       * print-rtl.c (xspaces): Remove.
+       (print_rtx): Use printf field-width, rather than xpsaces, to
+       indent.
+       * toplev.c (main): Disable sibling-call optimization if we are
+       handling exceptions.
+
+2001-06-05  Bernd Schmidt  <bernds@redhat.com>
+
+       * reload1.c (reload): Delete all USEs generated during reload.
+
+2001-06-05  scott snyder  <snyder@fnal.gov>
+
+       * gccbug.in:  Fix typo.
+
+2001-06-05  Andreas Jaeger  <aj@suse.de>
+
+       * builtins.def: Fix definition of __builtin_cosf, it uses float as
+       parameter and return value.
+
+2001-06-04  Anthony Green  <green@redhat.com>
+
+       * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
+       machine.  This is now done in sparc.h.
+
+2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
+
+       Correct CVS resurrection of invoke.texi.
+       * doc/invoke.texi: Document new tree dump flags.
+
+2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
+       for casting an aggregate to its own type.  Fixes PR c/2735.
+
+2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/texinfo.tex: Update to version 2001-05-24.08.
+
+2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * c-common.h (flag_dump_translation_unit): Remove.
+       (enum tree_dump_index): Define.
+       (TDF_ADDRESS, TDF_SLIM): New #defines.
+       (dump_node_to_file): Remove.
+       (dump_node): Make extern. Add flags.
+       (dump_flag, dump_enabled_p, dump_begin, dump_end,
+       dump_switch_p): Prototype.
+       * c-common.c (flag_dump_translation_unit): Remove.
+       * c-decl.c (c_decode_option): Remove -fdump-translation-unit
+       logic. Use dump_switch_p.
+       * c-dump.h (struct dump_info): Add node and user fields.
+       (dump_pointer): Declare.
+       * c-dump.c (dump_node): Make extern. Add flags.
+       (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
+       (dump_new_line, dump_maybe_newline): Use them.
+       (dump_pointer): New function.
+       (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
+       chain or function's body. Dump address, if TDF_ADDRESS set.
+       (dump_flag): Define.
+       (dump_node_to_file): Remove.
+       (struct dump_file_info): New struct.
+       (dump_files): New array.
+       (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
+       * c-lang.c (finish_file): Adjust dumping.
+       * toplev.h (dump_base_name): Make extern.
+       * invoke.texi: Document new flags.
+
+2001-06-04  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-tree.h (lang_decl): Add pending_sizes fields.
+       * c-decl.c (store_parm_decls): Save pending_sizes away for nested
+       functions.
+       (c_expand_body): Expand them.
+       (lang_mark_tree): Mark lang_decl:pending_sizes.
+       * function.c (expand_pending_sizes): New function, broken out
+       from ...
+       (expand_function_start): ... here.
+       * tree.h (expand_pending_sizes): Declare it.
+
+2001-06-04  Loren J. Rittle  <ljrittle@acm.org>
+
+       * doc/install.texi: Update FreeBSD information.  Generalize
+       and update information for alpha-based platforms using ELF.
+
+2001-06-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
+       (store_parm_decls): Likewise.
+       * c-typeck.c (convert_arguments): Likewise.
+
+2001-06-04  Richard Henderson  <rth@redhat.com>
+
+       * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
+       optimization if current_function_calls_setjmp.
+
+2001-06-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
+       wide strings.
+
+Mon Jun  4 20:44:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (simplify_subreg): Fix combining of
+       paradoxical subregs.
+
+Mon Jun  4 20:15:25 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
+       (no_labels_between_p): Short circuit case beg==end.
+
+Mon Jun  4 20:03:05 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtlanal.c (operand_preference): Fix preference for objects.
+
+Mon Jun  4 20:00:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (handle_avail_expr): Be prepared to handle single_set
+       parallels.
+
+Mon Jun  4 19:59:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (if_then_else_cond): Use simplify_subreg instead
+       of operand_subword.
+       * integreate.c (sub_constants): Likewise.
+
+Mon Jun  4 19:59:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * emit-rtl.c (constant_subword): Deprecate; remove most of code
+       and use simplify_gen_subreg.
+
+Mon Jun  4 19:55:23 CEST 2001  Lars Brinkhoff  <lars@nocrew.org>
+
+       * sibcall.c (skip_copy_to_return_value): recognize the situation
+       when the called function's return value is copied into an
+       intermediate pseudo, and then into the calling functions return
+       value register.
+
+Mon Jun  4 16:50:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
+       check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
+       in case register wasn't OK previously, accept it now; allow
+       subregs of frame pointer if reload completed and frame pointer
+       is not needed.
+
+       * combine.c (sombine_simplify_rtx): Fix comment;
+       use subreg_lowpart_offset instead of subreg_lowpart_p
+       (gen_lowpart_for_combine): Use subreg_lowpart_offset.
+       * rtl.h (subreg_lowpart_parts_p): Kill.
+       (subreg_lowpart_offset, subreg_highpart_offset): Declare.
+       * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
+       * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
+       (gen_lowpart_common): Likewise.
+       (subreg_lowpart_p): Likewise.
+       (subreg_lowpart_parts_p): Kill.
+       (subreg_lowpart_offset, subreg_highpart_offset): New function.
+
+       * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
+       to simplify SUBREG and REG.
+       (gen_highpart): Use simplify_gen_subreg for all simplifications.
+
+       * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
+       CONCAT specially.
+
+       * rtlanal.c (replace_regs):  Use simplify_gen_subreg
+
+Mon Jun  4 09:21:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
+       (ARRAY_RANGE_REF): Added description.
+
+       * tree.def (ARRAY_RANGE_REF): New code.
+       * alias.c (handled_component_p, can_address_p): Handle it.
+       * dwarf2out.c (loc_descriptor_from_tree): Likewise.
+       * explow.c (set_mem_attributes): Likewise.
+       * expr.c (expand_assignment, get_inner_reference): Likewise.
+       (expand_expr, expand_expr_unaligned, do_jump): Likewise.
+       * fold-const.c (operand_equal_p): Likewise.
+       * tree.c (staticp, stabilize_reference): Likewise.
+       * varasm.c (decode_addr_const): Likewise.
+
+Sun Jun  3 21:59:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
+       (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
+
+2001-06-03  kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+       * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
+       mark_constant_pool_use before output_addr_const.
+       (struct pool_node): New field wend.
+       (add_constant): Note a sequence of constants that are referenced
+       by a given label.
+       (pool_window_label, pool_window_last): New variables.
+       (dump_table): Emit a unspec_volatile representing the end of a
+       sequence of constants.
+       (mark_constant_pool_use): New function.
+       * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
+       (consttable_2): Add the second operand which flags whether
+       this consttable entry was used or not.
+       (consttable_4, consttable_8, consttable_sf, consttable_df):
+       Likewise.
+       (consttable_window_end): New insn.
+
+2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
+       Reformat according to coding standards.
+
+       Warning removal.
+       * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
+       (shl_and_kind): Cast wide constant.
+       (gen_far_branch): Define as static, as in declaration.
+       (barrier_align): Compute cache-line length as unsigned.  Add
+       parentheses in initial credit computation.
+       (rounded_frame_size): Add parentheses.
+       (permanent_obstack): Remove declaration.  Include ggc.h for
+       declaration of ggc_add_root_rtx().
+       (get_free_reg): Removed declaration of unused variable reg.
+       (legitimize_pic_address): Mark mode argument as unused.
+
+2001-06-03  Igor Shevlyakov  <igor@windriver.com>
+
+       * config/sh/sh.c (output_branch): Support for insn with lenght
+       attr 12 & 16 which represents cond branches outside +-4096 range.
+
+2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/lib1funcs.asm (ic_invalidate): Align the
+       cache-mirroring sequence.  Add nops.
+
+2001-06-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install-old.texi: Remove more old installation
+       documentation.
+       * doc/install.texi: Add relevant parts here.
+
+2001-06-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi2html: New script.
+
+2001-06-03  David Edelsohn  <edelsohn@gnu.org>
+
+       * doc/install.texi: Update AIX information again.
+
+2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
+       installation documentation.
+       * doc/install.texi: Move it to here.
+
+2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install.texi: Clean up Texinfo markup.
+
+2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
+       to just after title page.
+
+2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * doc/install-old.texi: Remove documentation of some configuration
+       options.
+       * doc/install.texi: Add relevant parts of this documentation here.
+
+2001-06-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
+       Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
+
+Sat Jun  2 12:23:51 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (all uses of ext_register_operand): Make sure they are
+       VOIDmode; replace all uses outside zero_extend.
+       (and?i splitters): Use ext_register_operands.
+       (test?i peep2): Remove ignored constraints.
+       * i386.c (ext_register_operand): Check that operand is
+       either pseudo or hard or 'Q' register.
+
+Sat Jun  2 06:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.h (struct record_layout_info_s): New field unpadded_align.
+       (set_lang_adjust_rli): New declaration.
+       * stor-layout.c (layout_decl): If DECL is packed, but at alignment
+       it would have if not packed, do not downgrade DECL_ALIGN.
+       (lang_adjust_rli, set_lang_adjust_rli): New.
+       (start_record_layout): Initialize new field unpadded_align.
+       (debug_rli): Display it.
+       (place_union_field, place_field): Set it.
+       (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
+
+       * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
+       mean that; use proper names instead.
+       Print DECL_NO_STATIC_CHAIN.
+
+       * except.c (expand_builtin_frob_return_addr): Add missing call
+       to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
+       (expand_builtin_eh_return): Likewise.
+       (expand_eh_return): Clean up ptr_mode != Pmode cases.
+
+2001-06-01  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * doc/invoke.texi: Remove references to papers about sequence points
+       to readings.html, refer to that page.
+
+2001-06-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * README: Update references to installation instructions.
+
+2001-06-01  Laurent Guerby  <guerby@acm.org>
+           Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi: Define srcdir when sources come from CVS.
+       Significantly improve markup.  Wrap overly long lines
+
+2001-06-01  DJ Delorie  <dj@redhat.com>
+
+       * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
+       extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
+       objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
+       gcov.1: Move to doc subdirectory.
+       * install.texi: Move to doc/install-old.texi.
+       * gcc.texi: Move to doc, refer to install-old.texi.
+       * Makefile.in: Reflect move of docs to doc/.
+       * f/Make-lang.in: Ditto.
+       * java/Make-lang.in: Ditto.
+       * doc/.cvsignore: New.
+
+2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * invoke.texi: use two spaces between command options, eliminate
+       some 'overfull hboxes'
+
+2001-06-01  Hans-Peter Nilsson  <hp@axis.com>
+
+       * Makefile.in (s-mlib): Make backtick-commands always succeed.
+       (DRIVER_DEFINES): Ditto.
+
+2001-05-31  Richard Henderson  <rth@redhat.com>
+
+       * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
+       also link against libgcc.a.
+
+2001-05-31  Geoff Keating  <geoffk@cygnus.com>
+
+       * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
+       * config/mips/mips.c (mips_output_ascii): New function.
+       * config/mips/mips-protos.h (mips_output_ascii): Prototype.
+
+       * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
+
+Thu May 31 19:09:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (set_block_for_new_insns): Remove bogus shortcut.
+       * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
+
+2001-05-31  Rodney Brown  <rbrown64@csc.com.au>
+
+       * install.texi (Configuration): Add html links for --with-gnu-as &
+       --with-gnu-ld and refer to them from hppa & SCO triplets.
+       (Specific): Link back to with-gnu-ld for all ELF platfoms.
+       (Specific): Reword AVR binutils recommendation.
+
+2001-05-30  Zack Weinberg  <zackw@stanford.edu>
+
+       * ggc-page.c (size_lookup): Increase minimum allocation size
+       to eight bytes.
+       (ggc_print_statistics): Report size of each bin in bytes, not
+       as its order; there is no longer a direct relationship.
+
+2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>
+
+       * extend.texi: Fix formating of examples, eliminate some
+       'overfull hboxes'.
+       * gcc.texi: Eliminate some 'overfull hboxes'.
+       * invoke.texi: Use two spaces between command options, eliminate
+       some 'overfull hboxes'.
+
+2001-05-30  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
+
+2001-05-30  Tom Tromey  <tromey@redhat.com>
+
+       * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
+       use it in the new association.
+
+2001-05-30  Loren J. Rittle  <ljrittle@acm.org>
+           John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * gthr-posix.h (__gthread_active_ptr): Cast function pointer
+       to target type to allow ISO C++ compiler to accept it.
+       * gthr-dce.h (__gthread_active_ptr): Likewise.
+       * gthr-solaris.h (__gthread_active_ptr): Likewise.
+
+2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
+       so that we do accept comments in preprocessed input.
+
+2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.c (alloc_node): Cast allocated pointer.
+
+2001-05-30  Gordon Sadler <gbsadler1@lcisp.com>
+
+       * invoke.texi (Option Summary): Remove -isystem-c++ from options.
+
+2001-05-29  Stan Shebs  <shebs@apple.com>
+
+       * gcc.texi: Add links for information about Objective-C.
+
+2001-05-29  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
+       /bin/sed fails on [^\"]).
+       (configargs.h): Likewise.
+
+2001-05-29  Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
+
+       * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
+
+2001-05-28  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc.gperf: Remove, no longer used.
+
+2001-05-28  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
+       gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
+       Remove trailing whitespace.
+
+2001-05-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
+       became http://freeware.sgi.com/.
+
+2001-05-27  Geoffrey Keating  <geoffk@redhat.com>
+
+       * local-alloc.c (update_equiv_regs): Don't eliminate constant
+       expressions at -O0.
+
+2001-05-27  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c: Add/fix various comments.
+       (init_selector): Remove, no longer used.
+       (build_msg_pool_reference): Ditto.
+       (objc_debug): Ditto.
+
+2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (init_decl_processing):
+        Don't call start_identifier_warnings.
+       * flags.h (warn_id_clash, id_clash_len): Remove.
+       * stringpool.c: Don't include flags.h.
+       (scan_for_clashes, do_identifier_warnings,
+       start_identifier_warnings): Remove.
+       * toplev.c (warn_id_clash, id_clash_len): Remove.
+       (display_help): Don't document -Wid-clash.
+       (decode_W_option): Print warning on -Wid-clash.
+       * tree.h (start_identifier_warnings): Remove.
+       * invoke.texi: Remove documentation of -Wid-clash.
+
+2001-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * fixinc/fixtests.c: Declare entries in ENV_TABLE.
+
+2001-05-27  Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/check.tpl(HACK) add and use a Scheme variable
+       (has no test text): error out if no "test_text" is defined
+       * fixinc/fixincl.tpl: likewise
+       (FIXIDX): make it an enumeration so we minimize diffs
+       * fixinc/inclhack.def: re-alphabetize and add sort instructions
+       * fixinc/fixincl.x: regenerate
+       * fixinc/tests/base/stdio.h: test output got moved due to
+       the alphabetizing
+       * README-fixinc: rewrite (mostly)
+
+2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (run_directive): Set pfile->directive.
+
+2001-05-23  Theodore Papadopoulo  <Theodore.Papadopoulo@sophia.inria.fr>
+
+       * c-tree.texi: Reformat the manual as a single chapter now
+       included by gcc.texi.
+       * gcc.texi: Include c-tree.texi. Merge all indexes.
+       * Makefile.in (dvi): Add generation for the cppinternals
+       documentation. Added dependencies on fdl.texi and c-tree.texi
+       where appropriate.  Use TEXI2DVI instead of custom tex calls.
+       (info): Added dependencies on fdl.texi and c-tree.texi where
+       appropriate.  Remove the target c-tree.info.
+
+2001-05-27  Lars Brinkhoff  <lars@nocrew.org>
+
+       * combine.c (try_combine): Fix typo in comment.
+       * expr.c (expand_expr): Likewise.
+       * config/i370/i370.md (untyped_call): Likewise.
+
+2001-05-26  Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
+       when fixincl is operating in test mode
+       * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
+       (AAB_ultrix_limits): remove redundant text
+       (AAB_ultrix_memory): ditto
+       (AAB_ultrix_string): ditto
+       (djgpp_wchar_h): fix the test text
+       (irix_stdio_va_list): add test text
+       (irix_limits_const): add a testing output file (limits.h is overwritten)
+       (strict_ansi_not_ctd): put limits.h second in list for same reason
+       (solaris27_mutex_init): test text needed selection text, too
+
+       * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
+       when fixincl is operating in test mode
+
+2001-05-26  Philip Blundell  <philb@gnu.org>
+
+       * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
+       * config/i960/i960-protos.h: Likewise.
+       * config/i370/i370-protos.h: Likewise.
+       * config/h8300/h8300-protos.h: Likewise,
+       * config/sh/sh-protos.h: Likewise.
+       * config/v850/v850-protos.h: Likewise.
+
+2001-05-26  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
+
+2001-05-25  Zack Weinberg  <zackw@stanford.edu>
+
+       * toplev.c (debug_args, f_options, W_options): Mark
+       descriptions for translation.
+       (display_help): Translate descriptions on output.
+
+       * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
+       objc/lang-options.h: Mark descriptions for translation.
+
+       * aclocal.m4: Quote final argument of patsubst.  Use
+       3-argument form of AC_DEFINE.  Restore quotes to [] while
+       using AC_FD_CC.
+       * configure.in: Remove unnecessary changequote calls.
+       * configure, config.in: Regenerate.
+
+2001-05-25  Sam TH  <sam@uchicago.edu>
+
+       * basic-block.h: Fix header include guards.
+       * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
+       cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
+       except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
+       gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
+       gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
+       insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
+       rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
+       varray.h version.h: Likewise.
+       * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
+       config/arm/arm.h config/c4x/c4x-protos.h
+       config/h8300/h8300-protos.h config/h8300/h8300.h
+       config/i370/i370-protos.h config/i370/i370.h
+       config/i960/i960-protos.h config/mcore/mcore.h
+       config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
+       config/v850/v850-protos.h config/v850/v850.h: Likewise.
+       * fixinc/fixlib.h fixinc/server.h: Likewise.
+
+2001-05-25  Stacey Sheldon  <ssheldon@Catena.com>
+
+       * config/arc/initfini.c (.init): Fix typo.
+
+2001-05-25  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
+
+2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
+
+2001-05-25  Richard Henderson  <rth@redhat.com>
+
+       * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
+
+2001-05-25  Richard Henderson  <rth@redhat.com>
+
+       * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
+       (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
+       (sparc*-*-solaris2): Likewise.
+       * config/t-linux: Remove shared libgcc macros.
+       * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
+       * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
+
+2001-05-25  Loren J. Rittle  <ljrittle@acm.org>
+
+       * config.gcc (*-*-freebsd*): Report bad configuration.
+
+2001-05-25  David Edelsohn  <edelsohn@gnu.org>
+
+       * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
+
+       * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
+       any prefix.
+       (ASM_OUTPUT_LABELREF): Delete.
+
+2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
+       strict_ansi_only): Don't run if stdc_0_in_system_headers.
+       * fixinc/fixincl.x: Regenerate.
+       * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
+       (FIX_TEST_TABLE): Declare it.
+       * fixinc/fixlib.h: Include config.h.
+
+2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * fixinc/inclhack.def (alpha___assert): Change char * args to
+       const char * on Tru64 UNIX to avoid excessive warnings from
+       assert.h.
+       * fixinc/fixincl.x: Regenerate.
+
+2001-05-25  Geoff Keating  <geoffk@redhat.com>
+
+       * dbxout.c (dbxout_symbol): Invert previous patch, which was
+       outputting a tag only for variable-size records.
+
+2001-05-25  Jeff Knaggs  <jknaggs@redhat.com>
+
+       * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
+       instead of rtx_equal_p for early clobber test.
+
+2001-05-26  Mark Mitchell <mark@codesourcery.com>
+
+       * builtins.def: Encode additional information, such as names and
+       types, here.
+       * builtin-types.def: New file.
+       * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
+       (built_in_decls): Likewise.  Don't explicitly initialize global
+       data to NULL.
+       (expand_builtin_mathfn): Handle float and long double variants of
+       math builtins.
+       (expand_builtin): Likewise.
+       * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
+       (expand_tree_builtin): Handle long, long long, float, and long
+       double variants of math functions.
+       * c-common.h (c_tree_index): Remove some unused nodes.
+       (void_ftype): Remove.
+       (void_type_ptr): Likewise.
+       (int_ftype_int): Likewise.
+       (ptr_ftype_sizetype): Likewise.
+       * c-decl.c (init_decl_processing): Remove creation of DWARF
+       builtins.
+       * defaults.h (MD_INIT_BUILTINS): Provide default definition.
+       * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
+       * Makefile.in (c-common.o): Depend on builtin-types.def.
+
+2001-05-25  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/t-darwin: Fix dependencies for darwin.o.
+
+2001-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-parse.in (notype_initdcl): Remove redundant line.
+
+2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * aclocal.m4: Fixed typo.
+       (gcc_AC_HEADER_STDBOOL): Define.
+       (gcc_AC_C__BOOL): Define.
+       * configure.in: Use them.
+       (AC_CHECK_HEADERS): Remove stdbool.h
+       * configure, config.in: Regenerate.
+
+2001-05-25  Richard Henderson  <rth@redhat.com>
+
+       * function.c (expand_function_start): Don't abort on PARALLEL
+       returns from hard_function_value.
+
+2001-05-25  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.md: Revert previous change.  Do not apply
+       the peephole if the components do not die after the sequence.
+
+2001-05-25  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in (array_declarator): New.  Handle C99 constructs.
+       Don't restrict [*] declarators to C only.
+       (after_type_declarator, parm_declarator_starttypename,
+       parm_declarator_nostarttypename, notype_declarator,
+       direct_absdcl1): Use it.
+       * c-decl.c (build_array_declarator, set_array_declarator_type):
+       New functions.  Warn that [*] isn't properly implemented; pedwarn
+       for [*] outside C99 mode if pedantic rather than giving a hard
+       error.
+       (grokdeclarator): Handle static and type qualifiers in parameter
+       array declarators.
+       * c-tree.h (build_array_declarator, set_array_declarator_type):
+       Declare.
+       * extend.texi (Attribute Syntax): Document attributes in parameter
+       array declarators.
+
+2001-05-25  Mark Mitchell  <mark@codesourcery.com>
+
+       * config/i386/i386.md: Make sure cmpstr peepholes do not
+       affect liveness information.
+
+2001-05-24  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-typeck.c (digest_init): Issue error messages about
+       invalid constants, not warnings.
+
+2001-05-24  Mark Mitchell  <mark@codesourcery.com>
+
+       * invoke.texi (-fno-builtin): Document that this is always on
+       in C++.
+
+2001-05-24  Philip Blundell  <philb@gnu.org>
+
+       * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
+       required.
+
+2001-05-24  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/arm.c (output_return_instruction): Correctly handle
+       interworking and interrupt functions.
+
+2001-05-24  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
+       -m{no-}sched-prolog.  Fix typos and improve formatting.
+
+2001-05-24  Philip Blundell  <philb@gnu.org>
+
+       * invoke.texi (ARM Options): Improve wording slightly.  Add
+       documentation for more options, including those for Thumb mode.
+       Don't mention options that don't exist or are unimplemented.
+       (Thumb Options): Delete; merged into above section.
+
+2001-05-24  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
+       (MD_FALLBACK_FRAME_STATE_FOR): Use it.
+
+Thu May 24 19:47:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
+       fix hard register simplification.
+
+Thu May 24 00:15:17 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
+       of just copying CPP_CPU_SPEC.
+
+Thu May 24 15:56:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (incdec_operand): Accept only 1 and -1.
+
+2001-05-23  Kelley Cook  <kelley.cook@home.com>
+
+       * Makefile.in: Move many of the *_H definitions eariler in the
+       file, so that rules in t-* files that use them for
+       dependencies will work in a parallel build.
+       * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
+
+2001-05-23  Richard Henderson <rth@redhat.com>
+
+       * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
+
+2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update for handling of charconsts.
+       * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF.  Update
+       diagnostics.  Skip to the end if the UCS is too short.
+       (cpp_interpret_charconst): Long charconsts issue a warning
+       not an error.
+
+2001-05-23  Richard Henderson  <rth@redhat.com>
+
+       * doc/install.texi (alpha-linux): Require binutils 2.11.
+
+2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (read_escape, read_ucs): Delete.
+       (lex_string): Use cpp_parse_escape.
+       * cpplex.c (read_ucs): Rename maybe_read_ucs.  Do nothing
+       if not C++ or not C99.  Warn if traditional.
+       (parse_escape): Rename cpp_parse_escape.  Make the bitmask
+       unsigned.  Warn for out-of-range escape sequences here.
+       Update to use maybe_read_ucs.
+       (cpp_interpret_charconst):  Don't warn here.
+       * cpplib.h (cpp_parse_escape): New exported function.
+
+2001-05-23  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * extend.texi (Attribute Syntax): Clarify application of
+       attributes to parameters declared as functions or arrays.
+
+2001-05-23  Jason Merrill  <jason_merrill@redhat.com>
+
+       * dbxout.c (dbxout_type_methods): Do still group methods by name.
+
+2001-05-23  Zack Weinberg  <zackw@stanford.edu>
+
+       * diagnostic.c (vnotice): Kill.
+       (fnotice): Call vfprintf directly.
+       (diagnostic_for_decl, output_do_verbatim, output_verbatim,
+       verbatim, set_diagnostic_context): Rename string argument to
+       indicate that it is run through gettext.
+       (vbuild_message_string, build_message_string, output_do_printf):
+       Rename string argument to indicate that it is NOT run through
+       gettext.
+       (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
+       output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
+       Run msgid argument through gettext.
+       (default_print_error_function): Run constant strings through
+       gettext when nothing else will.
+       (fatal_error, internal_error, error_recursion): Use fnotice.
+       Present complete sentences to gettext.
+
+2001-05-23  Mark Mitchell  <mark@codesourcery.com>
+
+       * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
+
+2001-05-23  Richard Henderson  <rth@redhat.com>
+
+       * function.c (expand_function_start): Always use a pseudo
+       for the function result value.
+
+2001-05-22  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
+       section pointer alignment.
+
+       * doc/install.texi (alpha-linux): Require binutils >= 2.10.
+
+       * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
+       of __USER_LABEL_PREFIX__.
+
+2001-05-22  Richard Henderson  <rth@redhat.com>
+
+       * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favor of...
+       (__deregister_frame_info_bases): New.
+       * unwind-dw2-fde.h: Declare it.
+       * libgcc-std.ver: Export it.
+       * crtstuff.c (__do_global_dtors_aux): Call it if we would have
+       called __register_frame_info_bases.
+
+2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
+
+       * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
+       instead of #elif (which is OK for this case but not in general).
+
+2001-05-22  Andrew MacLeod  <amacleod@redhat.com>
+
+       * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
+       * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
+       parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
+       * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
+       "r2" to the assembly file. Only issue allocs with nonzero parameters.
+
+2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
+           David O'Brien  <obrien@freebsd.org>
+
+       * config/freebsd.h (LIB_SPEC): Key the exact setting to
+       configure-time options and target version of FreeBSD.  Set-up
+       to match architectural change in threading support.  Correctly
+       report when -pthread option is not supported by configure-time
+       options.
+       (FBSD_CPP_PREDEFINES): Move from architecture-specific files
+       and extend to encode target version number in run-time setting
+       of __FreeBSD__ macro to match the system compiler.
+       (CPP_PREDEFINES): Likewise.
+       (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
+
+       * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
+       * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
+
+2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
+           David O'Brien  <obrien@freebsd.org>
+
+       * config.gcc (the unlabeled system switch statement): Add
+       generic configuration section to handle *-*-freebsd*.  Also,
+       to match the system compiler, default to threading support (it
+       may be disabled with the standard --disable-threads
+       configuration-time switch).
+       (i[34567]86-*-freebsd* in machine-specific section): Use it.
+       (alpha*-*-freebsd* in machine-specific section): Likewise.
+
+       * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
+       * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
+       * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
+       * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
+       * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
+
+2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
+           David O'Brien  <obrien@freebsd.org>
+
+       * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
+       * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
+       -pthread instead setting macro.
+
+2001-05-22  Richard Henderson  <rth@redhat.com>
+
+       * crtstuff.c (__register_frame_info_bases): Declare.
+       (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
+       (__do_global_dtors_aux, __do_global_dtors): Streamline.
+
+       * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
+       (CRT_GET_RFIB_DATA): New.
+       * config/i386/sysv4.h: Likewise.
+       * config/i386/sco5.h: Likewise.
+       (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+2001-05-22  Richard Henderson  <rth@redhat.com>
+
+       * rtl.c (read_string): Break out from ...
+       (read_rtx): ... here.
+
+2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * doc/install.texi (Specific): Remove a bogus and duplicate part
+       copied from the end of the document.
+
+2001-05-22  Bernd Schmidt  <bernds@redhat.com>
+
+       * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
+
+2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * install.texi: Remove obsolete information on SunOS as well as
+       i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
+       (Installing GNU CC on the Sun): Remove section.
+
+2001-05-22  Alexandre Oliva  <aoliva@redhat.com>
+
+       * cppfiles.c (remove_component_p): Don't assume lstat/stat will
+       keep errno unchanged on success.
+
+2001-05-22  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
+       once for hexadecimal floats, whether or not they contain a decimal
+       point.  Don't let the setting of pedantic otherwise affect the
+       parsing of hexadecimal floats.
+
+2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * README.ACORN: Remove obsolete file.
+
+2001-05-22  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (gen_binary): Use swap_commutative_operands_p
+       (simplify_comparison): Likewise.
+       * expmed.c (emit_store_flag): Likewise.
+       * expr.c (compare_from_rtx): Likewise.
+       (do_compare_rtx_and_jump): Likewise.
+       * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
+       if not emitting a branch and operands want swapping.
+
+2001-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
+       * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
+       (maybe_get_identifier): Update.
+       * tree.h (make_identifier): Delete.
+
+2001-05-21  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (subst): Do not substitute for a register as
+       a destination subreg/strict_low_part/zero_extract.
+
+       * combine.c (simplify_comparison): Update op1 after constant
+       extension.
+       * recog.c (const_int_operand): Accept only constants valid
+       for the given mode.
+       * genrecog.c: Update comments wrt const_int_operand.
+
+       * emit-rtl.c (init_emit_once): Zero unused memory in a
+       CONST_DOUBLE.
+
+2001-05-21  Mark Mitchell  <mark@codesourcery.com>
+
+       * tree.h (type_num_arguments): Declare it.
+       * tree.c (type_num_arguments): New function.
+
+2001-05-21  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (current_funcdef_number): Move outside dwarf2
+       conditional ifdef.
+
+2001-05-21  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
+       (maxsf3+1): Delete.
+       (minsf3): Use rs6000_emit_minmax.
+       (minsf3+1): Generalize to handle both SMIN and SMAX.  Use
+       rs6000_emit_minmax.
+       (movsfcc): Use rs6000_emit_cmove.
+       (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
+       Don't generate emit_fselsfsf4.
+       (fseldfsf4): Likewise.
+       (maxdf3): Use rs6000_emit_minmax.
+       (maxdf3+1): Delete.
+       (mindf3): Use rs6000_emit_minmax.
+       (mindf3+1): Generalize to handle both SMIN and SMAX.  Use
+       rs6000_emit_minmax.
+       (movdfcc): Use rs6000_emit_cmove.
+       (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
+       Don't generate emit_fselsfsf4.
+       (fselsfdf4): Likewise.
+       * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
+       (min_max_operator): New predicate.
+       (rs6000_emit_cmove): New function.
+       (rs6000_emit_minmax): New function.
+       * config/rs6000/rs6000-protos.h: Prototype new functions.
+       * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
+       and min_max_operator.
+
+       * config/rs6000/rs6000.c (output_cbranch): Handle all
+       conditional types in the switch statement.
+
+2001-05-21  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
+       non-register variables.
+       * extend.texi: Document that asm-specifications do not make sense
+       for non-static local variables.
+
+2001-05-21  Jason Merrill  <jason_merrill@redhat.com>
+
+       * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
+       (dbxout_type_fields): Lose minimal_debug support.
+       (dbxout_type_methods, dbxout_type): Likewise.
+
+2001-05-17  Andrew Haley  <aph@redhat.com>
+
+       * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+
+2001-05-21  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
+       Update all users.
+
+2001-05-20  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
+       DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
+       DEBUG_STR_SECTION): Rename from s/DEBUG_//.  Update all users.
+       * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
+       DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
+       Likewise.
+       * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
+       DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
+       DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
+       (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
+       * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
+       DEBUG_PUBNAMES_SECTION): Rename as above.
+       (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
+
+2001-05-20  Richard Henderson  <rth@redhat.com>
+
+       * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
+       operands unless the operation is commutative.
+
+2001-05-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
+       cases.
+
+2001-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * extend.texi: Clarify documentation of extensions included in ISO
+       C99.  Prefer C99 terminology and syntax to old GNU terminology and
+       syntax.  Add more index entries.  Document mixed declarations and
+       code as an extension in C89 mode.  Warn about future changes to
+       semantics of inline functions.  Fixes PR other/930.
+
+Sun May 20 16:39:24 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
+       access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
+       (expand_expr, case COMPONENT_REF): Do copy if misaligned even
+       if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
+
+       * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
+
+2001-05-20  Richard Henderson  <rth@redhat.com>
+
+       * sched-deps.c (sched_analyze_insn): Force volatile memory reads
+       to be output before a branch.
+
+2001-05-20  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
+
+2001-05-20  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
+       (ASM_DOUBLE): Remove.
+       * config/i386/bsd.h, config/i386/sco5.h: Likewise.
+       * config/i386/sun386.h: Likewise.
+
+       * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
+       (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
+
+       * config/i386/cygwin.h (INT_ASM_OP): Remove.
+       * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
+       * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
+       * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
+
+       * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
+       * config/i386/djgpp.h, config/i386/i386.h: Likewise.
+       * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
+       * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
+       * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
+       * config/i386/win32.h: Likewise.
+
+2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * invoke.texi: Add more options to summary list.
+
+2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * invoke.texi: Document meaning of -pedantic when -std=gnu* is
+       used.  Fixes PR c/2291.
+       * gcc.1: Regenerate.
+
+2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
+       the -fpic and -fPIC options, clear flag_pic.
+
+2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * hashtable.c (calc_hash): Fix HASHSTEP definition.
+       * stringpool.c (make_identifier): No statistics here anymore.
+       * objc-act.c (steup_string_decl): Remove redundant check.
+
+2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
+       cpplib.o, cpphash.o, fix-header): Update.
+       (hashtable.o): New target.
+       * c-common.h: Include cpplib.h.  Define C_RID_CODE and
+       struct c_common_identifier here.
+       * c-lang.c (c_init_options): Update.  Call set_identifier_size.
+       * c-lex.c (c_lex): Update.
+       * c-pragma.h: Update.
+       * c-tree.h (struct lang_identifier): Contain c_common_identifier.
+       Delete rid_code.
+       (C_RID_CODE): Delete.
+       * cpphash.c: Rewrite to use hashtable.c.
+       * cpphash.h: Update include guards.
+       (struct cpp_reader): Remove hashtab.
+       hash_ob and buffer_ob are no longer pointers.  Add hash_table
+       and our_hashtable.
+       (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
+       (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
+       (_cpp_cleanup_stacks): Rename _cpp_init_directives.
+       * cppinit.c (cpp_create_reader): Update.
+       * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
+       (cpp_interpret_charconst): Eliminate warning.
+       * cpplib.c (do_pragma, do_endif, push_conditional,
+       cpp_push_buffer, cpp_pop_buffer): Update.
+       (_cpp_init_stacks): Rename cpp_init_directives.
+       (_cpp_cleanup_stacks): Remove.
+       * cpplib.h: Update include guards.  Include tree-core.h and c-rid.h.
+       (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
+        cpp_forall_identifiers, cpp_create_reader): Update.
+       (C_RID_CODE, cpp_make_node): New.
+       (c_common_identifier): New identifier node for C front ends.
+       * cppmain.c (main): Update.
+       * fix-header.c (read_scan_file): Update.
+       * flags.h (id_clash_len): Make unsigned.
+       * ggc.h (ggc_mark_nonnull_tree): New.
+       * hashtable.c: New.
+       * hashtable.h: New.
+       * stringpool.c: Update comments and copyright.  Update to use
+       hashtable.c.
+       * toplev.c (approx_sqrt): Move to hashtable.c.
+       (id_clash_len): Make unsigned.
+       * toplev.h (ident_hash): New.
+       * tree.c (gcc_obstack_init): Move to hashtable.c.
+       * tree.h: Include hashtable.h.
+       (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
+       (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
+       (struct tree_identifier): Update.
+       (make_identifier): New.
+cp:
+       * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
+       (C_RID_CODE): Remove.
+       * lex.c (cxx_init_options): Call set_identifier_size.  Update.
+       (init_parse): Don't do it here.
+objc:
+       * objc-act.c (objc_init_options): Call set_identifier_size. Update.
+
+Sat May 19 18:23:04 2001  Richard Henderson <rth@redhat.com>
+
+       * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
+       as ncessary.
+       (expand_eh_return): Convert between word_mode and Pmode.
+       * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
+       are the same size.
+       (execute_stack_op): Likewise.
+       (execute_cfa_program): Likewise.
+       (uw_frame_state_for): Likewise.
+       (uw_update_context_1): Likewise.
+       * unwind.inc (_Unwind_Reason_Code): Likewise.
+       * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
+       (EH_RETURN_STACKADJ_RTX): Likewise.
+       * config/mips/mips.c (compute_frame_size): Make space for saving
+       EH return registers.
+       (mips_expand_epilogue): Handle EH stack adjustments.
+       * config/mips/mips.md (eh_return): New pattern.
+       (eh_set_lr_si): Likewise.
+       (eh_set_lr_di): Likewise.
+       Add splitter to perform EH return after reload.
+
+2001-05-19  Mark Mitchell  <mark@codesourcery.com>
+
+       * jump.c (mark_jump_label): Tidy previous change.
+
+2001-05-19  Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/genfixes: no need for two warnings
+       * fixinc/Makefile.in: open stdin for those building with a closed one.
+
+2001-05-19  Mark Mitchell  <mark@codesourcery.com>
+
+       * jump.c (jump_optimize_1): Tidy.
+       (mark_jump_label): When changing the label in a LABEL_REF, change
+       update any REG_EQUAL notes as well.
+
+2001-05-19  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in (parm_declarator): Split into
+       parm_declarator_starttypename and parm_declarator_nostarttypename.
+       (parm_declarator_starttypename, parm_declarator_nostarttypename):
+       New.  Allow parenthesized sub-declarators which don't begin with a
+       TYPENAME.  Fixes PR c/166.
+
+2001-05-19  Mark Mitchell  <mark@codesourcery.com>
+
+       * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
+       macro.
+       * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
+       Document it.
+       * toplev.c (main): If the target does not allow profiling without
+       a frame pointer, issue an error message.
+       * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
+       Define it to false.
+
+Sat May 19 07:53:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * recog.c (general_operand): Modify last change to allow it if reload
+       has completed.
+
+Sat May 19 10:23:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (general_operand): Prohibit nonzero subreg bytes on
+       subregs containing mem.
+
+Sat May 19 09:40:45 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * regrename.c (regrename_optimize): frame pointer register can
+       use a few hardregs.
+
+2001-05-18  Jason Merrill  <jason_merrill@redhat.com>
+
+       * README.DWARF: Move into dwarfout.c.
+
+2001-05-18  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
+       specific misuse of r0 as a reload address.
+
+Fri May 18 22:42:04 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
+       succeeded.
+
+Fri May 18 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
+       (add_to_sequence): Make that decision type.
+       (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
+       (write_switch, write_cond, debug_decision_2): Likewise.
+
+       * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
+       for INTEGER_TYPE.
+       (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
+       variable size.
+
+2001-05-18  Stan Shebs  <shebs@apple.com>
+
+       * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
+       * configure: Regenerate.
+
+2001-05-18  Per Bothner  <per@bothner.com>
+
+       Changes needed for java/jvspec.c
+       * gcc.h (n_infiles, outfiles):  Add declarations.
+       * gcc.c (n_infiles, outfiles):  Mske no longer static.
+
+Fri May 18 10:14:42 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/som.h (EXCEPTION_SECTION): Define.
+
+2001-05-18  Daniel Berlin  <dan@cgsoftware.com>
+
+       * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
+       list.
+       Add have_location_lists, a variable to determine whether we need a
+       .debug_loc section or not.
+       (enum dw_val_class): Add dw_val_class_loc_list.
+       (dw_val_struct): Add val_loc_list.
+       (dw_loc_list_struct): New structure, represents location lists.
+       (new_loc_list): New function, return a new location list, given
+       the range and location expression.
+       (add_loc_descr_to_loc_list): New function, add a location
+       expression to a location list, given the expression and range.
+       (output_loc_list): New function, output a location list.
+       (gen_internal_sym): Modified to take symbol prefix, so we can
+       reuse it for location list symbols.
+       (add_AT_loc_list): New function, add a location list to a DIE at
+       the named attribute.
+       (AT_loc_list): New function, return the location list reference
+       for a given attribute, if it's a location list.
+       (print_die): Handle dw_val_class_loc_list.
+       (size_of_die): Ditto.
+       (value_format): Ditto.
+       (output_die): Ditto.
+       (output_location_lists): New function, output all of the location
+       lists for a DIE and it's children.
+       (dwarf2out_finish): Call output_location_lists if we have location
+       lists.
+
+
+Fri May 18 15:39:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcse.c (try_replace_reg): First try global replace, later try to
+       simplify the expression.
+
+       * gcse.c (find_used_regs): Change calling convention; work via
+       note_uses.
+       (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
+
+2001-05-18  Bernd Schmidt  <bernds@redhat.com>
+
+       Revert
+       2001-02-09  Nick Clifton  <nickc@redhat.com>
+       * config/arm/arm.md: Change output constraint on post inc
+       load/store multiple patterns to be a read/write constraint.
+
+2001-05-18  Mark Mitchell  <mark@codesourcery.com>
+
+       * basic-block.h (struct basic_block_def): Add documentation about
+       what a basic block is, and what the various fields are used for.
+       * flow.c (calculate_globlal_regs_live): Add documentation about
+       how the algorithm works, and how we know that it will terminate.
+       Check that the inductive assumption that guarantees termination
+       actually holds.
+       (mark_used_regs): Treat conditionally set registers as used.
+       (debug_regset): Add comment.
+       * rtl.texi (cond_exec): Add documentation.
+
+       * function.c (expand_function_start): Avoid creating BLKmode
+       pseudos.
+
+2001-05-17  Mark Mitchell  <mark@codesourcery.com>
+
+       * dwarf2out.c (output_comp_unit): Always output a compilation-unit
+       DIE, even if it has no children.
+       (dwarf2out_finish): Always output the line-number table, even if
+       it has no content.
+
+2001-05-18  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.md (movsfcc,movdfcc): Remove NE case.
+
+2001-05-17  Bruce Korb <bkorb@gnu.org>
+
+       * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
+       * fixinc/genfixes: emit a warning if AutoGen is out of date
+
+2001-05-17  Brendan Conoboy <blc@cygnus.com>
+           Bruce Korb <bkorb@gnu.org>
+
+       * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
+       found in fixinc directory.  Facilitates binary distributions.
+
+2001-05-17  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
+       COMPLEX_TYPE.
+
+Thu May 17 19:42:39 2001  Mark Kettenis  <kettenis@wins.uva.nl>
+
+       * dwarf2out.c (modified_type_die): Equate qualified type to die.
+
+Thu May 17 23:19:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
+       (simplify_subreg): Handle complex types represented as CONCAT.
+
+       * recog.c (validate_replace_rtx_1): Properly canonicalize expression
+       * rtl.h (swap_commutative_operands_p): Declare.
+       * rtlanal.c (swap_commutative_operands_p): New.
+       (operand_preference): New static function.
+
+       * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
+       (gen_binary): Likewise.
+       * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
+       * simplify-rtx.c (simplify_gen_binary,
+       simplify_gen_relational): Likewise.
+
+Thu May 17 20:43:36 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cse.c (fold_rtx): Use simplify_subreg.
+
+       * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
+       (simplify_gen_subreg): New.
+       (simplify_rtx): Use simplify_subreg.
+       * rtl.h (simplify_gen_subreg): Declare.
+
+2001-05-17  Mark Mitchell  <mark@codesourcery.com>
+
+       * doc/install.texi: Update Solaris information.
+
+       * except.h (protect_cleanup_actions): Remove it.
+       (lang_protect_cleanup_actions): Declare it.
+       * except.c (protect_cleanup_actions): Remove it.
+       (lang_protect_cleanup_actions): New variable.
+       (init_eh): Don't make protect_cleanup_actions a GC root.
+       (expand_eh_region_and_cleanup): Call
+       lang_protect_cleanup_actions.
+       (output_function_exception_table): Remove unused `align'
+       variable.
+       * varasm.c (assemble_external): Abort if we have not yet
+       opened the assembly output file.
+
+Thu May 17 11:54:50 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
+       for eh_personality_libfunc.
+
+Thu May 17 19:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
+       when calling simplify_subreg.  This is needed to allow replacing
+       of expression of one mode by expression of different mode.
+
+Thu May 17 19:40:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c  (simplify_subreg): Avoid creating of incorrect subregs.
+
+2001-05-17  Bernd Schmidt  <bernds@redhat.com>
+
+       * expr.c (protect_from_queue): Protect against subsequent calls to
+       emit_queue.
+       (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
+       too clever.
+
+Thu May 17 18:17:34 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
+
+2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * gccbug.in (CATEGORIES): Add "bootstrap".
+
+Thu May 17 16:59:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (simplify_subreg): Break out from ...
+       * combine.c (combine_splify_rtx) ... here and ...
+       * recog.c (validate_replace_rtx_1): ... here;
+       * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
+       * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
+       (subreg_lowpart_p): ... here.
+
+2001-05-17  Bernd Schmidt  <bernds@redhat.com>
+
+       * stmt.c (expand_asm_operands): For inout operands, make sure
+       the substitution of '=' for '+' makes it into the rtl.
+
+       * reload1.c (delete_output_reload): Call eliminate_regs on substed.
+       (reload_as_needed): Call update_eliminable_offsets a bit later.
+
+2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * gcc.texi (gccbug): Refer to the web pages for detailed information
+       on GNATS.
+
+2001-05-16  Zack Weinberg  <zackw@stanford.edu>
+
+       * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
+
+       * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
+       OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
+       LIB1FUNCS, and LIB1FUNCS_EXTRA.  Delete rules: libgcc1-test,
+       libgcc1-test.o.  Clarify commentary now that libgcc1 no longer exists.
+       * cross-make: Don't set LIBGCC1.
+       * mklibgcc.in: Delete all code for building from libgcc1.c.
+       Always honor LIB1ASMFUNCS if set.
+
+       * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
+       config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
+       config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
+       config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
+       config/i386/uwin.asm, config/m68hc11/larith.asm,
+       config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
+       config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
+       config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
+       config/v850/lib1funcs.asm, config/c4x/libgcc.S:
+       Delete or update references to libgcc1 in commentary.
+
+       * config/t-libc-ok, config/t-linux, config/t-linux-aout,
+       config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
+       config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
+       config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
+       config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
+       config/arm/t-semi, config/arm/t-strongarm-coff,
+       config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
+       config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
+       config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
+       config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
+       config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
+       config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
+       config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
+       config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
+       config/m68k/t-m68kbare, config/m68k/t-m68kelf,
+       config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
+       config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
+       config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
+       config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
+       config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
+       config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
+       config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
+       config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
+       config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
+       config/mips/t-ultrix, config/mn10200/t-mn10200,
+       config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
+       config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
+       config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
+       config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
+       config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
+       config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
+       config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
+       config/sparc/t-sparclite, config/sparc/t-splet,
+       config/sparc/t-sunos41, config/sparc/t-vxsparc,
+       config/sparc/t-vxsparc64, config/v850/t-v850:
+       Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
+
+       * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
+       Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
+       * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
+       FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
+       nongcc_SI_type, nongcc_word_type, or perform_*
+       * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
+
+       * config/i386/386bsd.h, config/i386/beos-elf.h,
+       config/i386/linux-aout.h, config/i386/linux-oldld.h,
+       config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
+       config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
+       Don't include i386/perform.h.
+
+       * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
+       config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
+       config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
+       config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
+       config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
+       config/vax/t-openbsd, config/vax/t-vax: Delete.
+
+       * config.gcc: Remove references to deleted files.
+       (arm-semi-aof): Use arm/t-semi for tmake_file.
+
+       * gcc.texi, install.texi, invoke.texi, tm.texi:
+       Delete or rewrite text which is no longer relevant now that
+       libgcc1 no longer exists.
+
+       * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
+       No need to set INSTALL_ASSERT_H.  (Missed in previous sweep.)
+
+2001-05-16  Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
+       Bruce Korb <bkorb@gnu.org>
+
+       * fixinc/inclhack.def(solaris27_mutex_init):  Fix broken mutex
+       initializer
+
+2001-05-16  Zack Weinberg  <zackw@stanford.edu>
+
+       * i386.md: Add two peepholes to clean up code generated by
+       cmpstr* expanders.
+
+2001-05-16  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
+       variants of non-absolute encodings.
+
+       * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+       * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
+       __register_frame_info_table_bases): Export.
+
+2001-05-16  Richard Henderson  <rth@redhat.com>
+
+       * except.c (eh_data_format_name): Move to ...
+       * dwarf2asm.c: ... here.  Use designated initializers if available.
+       (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
+       * dwarf2asm.h: Update declarations.
+       * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
+       ASM_PREFERRED_EH_DATA_FORMAT.
+       (output_call_frame_info): Likewise.  Use 'L' augmentation for
+       the LSDA encoding.
+
+       * unwind-dw2-fde.h (struct fde_vector): New.
+       (struct old_object): Rename from struct object.
+       (struct object): New.
+       (__register_frame_info_bases): Declare.
+       (__register_frame_info_table_bases): Declare.
+       (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
+       * unwind-dw2-fde.c (objects): Remove.
+       (unseen_objects, seen_objects): New.
+       (__register_frame_info_bases): New.
+       (__register_frame_info): Use it.
+       (__register_frame_info_table_bases): New.
+       (__register_frame_info_table): Use it.
+       (__deregister_frame_info): Rewrite for changed object struct.
+       (base_from_object, get_cie_encoding, get_fde_encoding): New.
+       (fde_unencoded_compare): Rename from fde_compare; uninline.
+       (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
+       (start_fde_sort): Adjust for new definition of fde_vector.
+       (fde_insert): Likewise.
+       (end_fde_sort): Likewise.  Select comparison function based
+       on properties of the object.
+       (fde_split): Take object and fde_compare_t arguments.
+       (frame_heapsort, fde_merge): Likewise.
+       (classify_object_over_fdes): Rename from count_fdes.  Handle
+       encoded pointers.  Collect encoding, mixed_encoding, and pc_begin
+       for the object.
+       (add_fdes): Handle encoded pointers.
+       (init_object): Rename from frame_init.  Update for new struct object.
+       (linear_search_fdes): Rename from search_fdes.  Handle encoded
+       pointers.
+       (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
+       (binary_search_single_encoding_fdes): New.
+       (binary_search_mixed_encoding_fdes): New.
+       (search_object): New.
+       (_Unwind_Find_FDE): Update for new struct object.  Fill in
+       the dwarf_eh_bases.
+       * unwind-dw2.c: Include unwind-pe.h.  Constify all pointers
+       iterating over EH data.
+       (_Unwind_FrameState): Remove saw_lsda, addr_encoding.  Add
+       fde_encoding, lsda_encoding.
+       (read_uleb128, read_sleb128): Remove.
+       (read_encoded_pointer): Remove.  All callers use read_encoded_value.
+       (extract_cie_info): Set lsda_encoding from 'L' augmentation.
+       (uw_frame_state_for): Don't set bases.func.  Handle encoded fde
+       pointers.
+       * unwind-pe.h: Add "struct" to _Unwind_Context references.
+
+2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
+       * cpphash.c (_cpp_lookup_with_hash): Similarly.
+       * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
+       cpp_spell_token, cpp_output_token): Similarly.
+       * cpplib.c (lex_macro_node, do_undef, do_pragma,
+       do_pragma_poison, parse_assertion, do_assert): Similarly.
+       * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
+       save_parameter, _cpp_create_definition, check_trad_stringification,
+       cpp_macro_definition): Similarly.
+       * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
+       * c-lex.c (cb_undef, c_lex): Similarly.
+       * fix-header.c (recognized_function): Similarly.
+       * cpplib.h (NODE_LEN, NODE_NAME): New.
+       (cpp_hashnode): Rename length len.
+
+Wed May 16 13:41:10 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
+       GPRs.
+
+2001-05-16  Andreas Jaeger  <aj@suse.de>
+
+       * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
+
+       * toplev.c: Include dwarf2asm.h for prototype of
+       dw2_output_indirect_constants.
+
+Wed May 16 19:53:53 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * stmt.c (expand_asm_operands): Be able to offload addressof
+       expression to memory. (PR optimization/185)
+
+Wed May 16 18:53:23 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
+       applying distributive law.
+
+2001-05-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
+
+       * gthr-dce.h (UNUSED): Attribute unused macro.
+       (__gthread_key_dtor): Make arguments UNUSED.
+       (__gthread_key_delete): Revise for compatibility with DRAFT4
+       implementation.
+
+2001-05-16  David Edelsohn  <edelsohn@gnu.org>
+
+       * doc/install.texi: Update AIX information.
+       * README.RS6000: Remove obsolete file.
+
+2001-05-16  Jakub Jelinek  <jakub@redhat.com>
+           Nathan Sidwell  <nathan@codesourcery.com>
+
+       * gcc.c (give_switch): Don't write before start of string.
+       Always append suffix.
+
+2001-05-16  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
+       after stage3.
+
+2001-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * README.ALTOS: Remove obsolete file.
+
+2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.h (save_and_forget_protocol_qualifiers,
+       forget_protocol_qualifiers, remember_protocol_qualifiers):
+       Remove deleted functions' prototypes.
+
+2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-parse.in (methodtype): New production.
+       (methoddef, methodproto): Collapse separate '-' and '+'
+       handlers into 1.
+
+2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * c-common.h (RID_FIRST_PQ): New.
+       * c-parse.in (objc_pq_context): New.
+       (objc parser): Set objc_pq_context rather than calling
+       remember_protocol_qualifiers and forget_protocol_qualifiers.
+       Don't call save_and_forget_protocol_qualifiers.
+       (yylexname): Handle objc protocol qualifiers here.
+       * stringpool.c (struct str_header): Replace with sp_hashnode.
+       (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
+       (alloc_string): Rename alloc_ident.  Use the SP_ accessors.
+       Allocate an IDENTIFIER_NODE for each identifier.
+       (FORALL_STRINGS, set_identifier): Delete.
+       (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
+       (ggc_alloc_string): Use an obstack.
+       (get_identifier, maybe_get_identifier, mark_string_hash): Update.
+       * tree.h: Update comments.
+       (set_identifier): Delete.
+       * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
+       save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
+       remember_protocol_qualifiers): Delete.
+
+Tue May 15 22:14:09 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * flow.c (life_analysis): After life analysis is complete, do
+       an optional scan over insns looking for REG_LABEL notes that
+       reference a deleted label.
+       (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
+       before peeking at LABEL_NUSES.
+
+2001-05-15  Richard Henderson  <rth@redhat.com>
+
+       * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
+       (_Unwind_GetTextRelBase): New.
+
+2001-05-15  Mark Mitchell  <mark@codesourcery.com>
+
+       * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
+
+2001-05-15  Geoffrey Keating  <geoffk@redhat.com>
+
+       * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
+       so that CHOOSE_SECTION gets used.
+
+       * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
+       TARGET_RELOCATABLE like flag_pic for now.
+
+2001-05-15  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.md (movdi splitter): Sign extend more efficiently.
+       * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
+       to "long long" valid on 32-bit and 64-bit hosts.
+       (logical_operand): Cast trunc_int_for_mode return value.
+       (rs6000_emit_move): Shift macro to encapsulate variable.
+       (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
+       (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
+       plus_constant requires signed argument.
+
+2001-05-15  Loren J. Rittle  <ljrittle@acm.org>
+
+       * gthr-posix.h: Make additional pthread-* functions weak.
+
+Tue May 15 13:51:32 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (apply_change_group): Avoid unneeded validating.
+
+2001-05-14  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
+       (num_insns_constant): CONST_INT can be 64-bits.
+
+2001-05-14  Stan Shebs  <shebs@apple.com>
+
+       * config/darwin.h (LIB_SPEC): Just use -lSystem.
+       (LIBGCC_SPEC): Don't define.
+
+2001-05-14  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (gcc_cv_as_eh_frame): New test.
+       * config.in, configure: Rebuild.
+       * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
+
+2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
+
+       * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
+       extended precision divide.
+
+2001-05-14  Andrew MacLeod  <amacleod@redhat.com>
+
+       * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
+       for RETURNS as well.
+
+Mon May 14 17:34:48 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
+       (CPP_CPU??_SIZE_TYPE): New.
+       (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
+       (CPP_CPU_SPEC): ... here; support choosing of CPU.
+       (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
+       (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
+       compiler.
+       * i386.c (override_options): Add sorry about not suported modes.
+
+Mon May 14 08:56:47 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/som.h (NM_FLAGS): Remove.
+       (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
+       (ASM_OUTPUT_SECTION_NAME): Remove.
+       (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
+
+2001-05-14  Mark Mitchell  <mark@codesourcery.com>
+
+       * regrename.c (regrename_optimize): Do not rename registers to
+       leaf registers.
+
+2001-05-14  Alexandre Oliva  <aoliva@redhat.com>
+
+       * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
+       contain MEMs.  Remove useless distinction about clobbering
+       registers.
+
+2001-05-13  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
+       * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
+       * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
+       (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+       (EXCEPTION_SECTION): Define.
+
+2001-05-13  Zack Weinberg  <zackw@stanford.edu>
+
+       * libgcc2.c, libgcc2.h: Restore __eprintf.  Label as used for
+       binary backward compat only.
+       * Makefile.in (LIB2FUNCS_ST): New.  Put _eprintf here, not
+       in LIB2FUNCS.  Pass it to mklibgcc.
+       * mklibgcc.in: Handle LIB2FUNCS_ST.
+
+       * Makefile.in (installdirs): Don't create $(gcc_tooldir).
+
+2001-05-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tm.texi (THREAD_MODEL_SPEC): Document it.
+       * gcc.c (main): Use it.
+       * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
+       * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
+
+2001-05-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * rtl.h (SYMBOL_REF_WEAK): New macro.
+       * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
+       * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
+       * rtl.texi (SYMBOL_REF_WEAK): Document it.
+       * gcc.texi: Remove wrong description.
+
+2001-05-13  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (STAMP): New macro.
+       Replace all uses of `touch' with $(STAMP).
+       * fixinc/Makefile.in: Likewise.
+
+Sun May 13 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * configure.in: ldopen is never in -lexc, so don't test for it.
+       Add test for exc_resume in -lexc for Ada.
+       * configure: Regenerated.
+
+2001-05-12  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (size_of_encoded_value): New function.
+       * dwarf2asm.h: Declare it.
+       * except.c (output_function_exception_table): Align the TType
+       array only as wide as the encoding.
+
+2001-05-12  Zack Weinberg  <zackw@stanford.edu>
+
+       * extend.texi: Document #pragma GCC java_exceptions.
+
+2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * c-parse.in (bison parser, init_reswords): Remove uses of
+       doing_objc_thang.
+       * c-tree.h (doing_objc_thang): Remove.
+
+2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplex.c (_cpp_lex_token): Ensure we warn at most once
+       about files not ending in newlines.
+
+2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>
+
+       * dwarfout.c (dwarfout_init): Add cast.
+       * sched-deps.c (sched_analyze_insn): Remove unused vars.
+       * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
+cp:
+       * method.c (build_mangled_C99_name): Remove unused prototype.
+
+2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
+
+2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
+       * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
+
+2001-05-11  Richard Henderson  <rth@redhat.com>
+
+       * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+       * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
+       dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
+       * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
+       (dw2_output_indirect_constants): Prototype.
+       * dwarf2out.c (dwarf2out_begin_prologue): Generate
+       current_function_func_begin_label if we'll need it for EH.  Exit
+       early for IA64_UNWIND_INFO.
+       * except.c: Get DW_EH_PE_* defines from dwarf2.h.
+       (eh_data_format_name): Update for indirect references.
+       (output_function_exception_table): Care for IA64_UNWIND_INFO.
+       Handle ASM_PREFERRED_EH_DATA_FORMAT.
+       * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
+       define HAVE_eh_return etc.
+       * final.c (final_start_function): Always call dwarf2out_begin_prologue.
+       (final_end_function): Don't call output_function_exception_table.
+       * toplev.c (compile_file): Call dw2_output_indirect_constants.
+       (rest_of_compilation): Invoke output_function_exception_table
+       for ia64 before assemble_end_function.
+       * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
+       (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
+
+       * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
+       * unwind.h: Declare them.
+       * libgcc-std.ver: Export them.
+       * unwind-pe.h: New file.
+
+       * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+       * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
+       instead of "fde".
+       (find_fde_for_dso): Extract DT_PLTGOT.
+       (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
+       the segment and gp as well.
+       * config/ia64/frame-ia64.c: Remove file.
+       * config/ia64/frame-ia64.h: Remove file.
+       * config/ia64/unwind-ia64.c: New file.
+       * config/ia64/unwind-ia64.h: New file.
+       * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
+       (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
+       (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
+       (ASM_PREFERRED_EH_DATA_FORMAT): New.
+       (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
+       (IA64_UNWIND_INFO): Re-enable.
+       (HANDLER_SECTION): Remove.
+       (EH_RETURN_DATA_REGNO): New.
+       * config/ia64/ia64.md (exception_receiver): Remove.
+       * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
+       * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
+
+2001-05-11  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
+       calls and jumps to be bundled together.
+       (ia64_reorg): Emit a break after a noreturn call that ends
+       a function.
+       * config/ia64/ia64.md (break_f): New.
+
+2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (lex_charconst): Convert into a simple wrapper
+       around cpp_interpret_charconst, to which most of the code
+       body is moved.
+       * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
+       MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
+       MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
+       (lex): Use cpp_interpret_charconst.
+       * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
+       hex_digit_value): New functions.
+       (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
+       * cpplib.h (cpp_interpret_charconst): New prototype.
+       * Makefile.in: Update.
+
+2001-05-12  Dean Wakerley  <dean@wakerley.com>
+
+       * doc/install.texi: New file. Converted to texinfo from the HTML
+       documentation in wwwdocs/htdocs/install.
+
+Fri May 11 15:50:13 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * gcse.c (insert_insn_end_bb): Do not search for assignments to
+       non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
+
+       * toplev.c (compile_file): Move comment for opening output
+       file to just before the code that opens the output file.
+
+2001-05-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * regmove.c (regmove_optimize): Suppress the optimization for
+       unchanging destination register.  Add comment above function.
+
+2001-05-11  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in: Exterminate all references to assert.h.
+       * cross-make: Likewise.
+       * assert.h: Delete.
+       * configure.in: Correct commentary.
+       * configure: Regenerate.
+
+       * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
+       Remove __eprintf.
+
+       * config/t-freebsd, config/t-linux, config/t-linux-aout,
+       config/t-netbsd, config/t-rtems, config/x-linux,
+       config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
+       No need to override INSTALL_ASSERT_H.
+
+       * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
+       fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
+       fixinc/fixincl.sh: Don't install assert.h into objdir/include.
+
+2001-05-11  Graham Stott  <grahams@redhat.com>
+
+       * combine.c (simplify_comparison): Fix typo.
+
+2001-05-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * loop.h (struct movables): Remove `num'.
+       * loop.c (scan_loop): Don't set it.  Use count_insns_in_loop.
+       Adjust call to strength_reduce.
+       (num_unmoved_movables): New function.
+       (move_movables): Don't set movables->num.
+       (strength_reduce): Compute the number of instructions in the loop
+       here, rather than in the caller.
+       (check_dbra_loop): Always clear reversible_mem_store if there
+       are any memory sets.
+       (loop_regs_scan): Don't count instructions here.
+       (count_insn_in_loop): New function.
+
+2001-05-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
+
+2001-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-common.c (finish_label_expr): New function, lifted from
+       from cp/semantics.c.
+       * c-common.h (finish_label_expr, lookup_label): New prototypes.
+       * c-parse.in: Move 3 blocks of parser code into new functions.
+       * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
+       * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
+       (lookup_label): Remove.
+
+2001-05-11  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
+       FLOAT_BIT_ORDER_MISMATCH.
+
+2001-05-10  David Edelsohn  <edelsohn@gnu.org>
+
+       * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
+       bytes.  Reported by Kazu Hirata <kazu@hxi.com>.
+
+2001-05-10  David Edelsohn  <edelsohn@gnu.org>
+
+       * expr.c (emit_group_load): extract_bit_field requires a REG or
+       MEM as an argument.
+
+Thu May 10 14:45:44 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
+       a computed jump into an unconditional jump.
+       In second hunk of code for collapsing computed and conditional jumps
+       into unconditional jumps, reemit the jump in additional cases.
+
+       * jump.c (jump_optimize_1): Do not wrap the new jump target
+       inside a LABEL_REF; gen_jump will do that automatically.
+
+2001-05-10  Toon Moene  <toon@moene.indiv.nluug.nl>
+
+       * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
+       contents for a SYMBOL_REF in case of floating point constants.
+
+2001-05-10  DJ Delorie  <dj@redhat.com>
+
+       * c-common.c (combine_strings): Widen strings in a
+       host-endian-independent way.
+
+2001-05-10  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in: Remove many shift/reduce conflicts.  Update
+       %expect values.
+       (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
+       declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
+       declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
+       declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
+       declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
+       declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
+       declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
+       declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
+       declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
+       declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
+       maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
+       typespec_reserved_nonattr, typespec_reserved_attr,
+       typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
+       structsp_nonattr, components_notype, component_notype_declarator,
+       absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
+       firstparm, setspecs_fp): New
+       (typed_declspecs, reserved_declspecs, typed_typespecs,
+       reserved_typespecquals, declmods, typespec, typespecqual_reserved,
+       typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
+       declmods_no_prefix_attr, nonempty_type_quals, structsp,
+       type_quals): Remove.  Users updated.
+       (initdecls, notype_initdecls, after_type_declarator,
+       parm_declarator, notype_declarator, absdcl1, components, ivars):
+       Don't allow attributes at the start of a declarator; include them
+       in the production containing the declarator instead.  Always
+       require type specifiers before trying to redeclare a typedef name.
+       (typename): Allow for attributes but warn that they are ignored.
+       (parmlist, firstparm, setspecs_fp): Include attributes in
+       parmlist; suck them off the parser stack in firstparm using
+       setspecs_fp.
+
+Thu May 10 09:17:42 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
+       to determine if a block has an unconditional jump at its end.
+
+       * jump.c (jump_optimize_1): When converting a conditional jump
+       to an unconditional jump, build the jump using gen_jump instead
+       of just modify operands in-place.
+
+2001-05-09  Zack Weinberg  <zackw@stanford.edu>
+
+       * cppinit.c (cpp_post_options): Shut off macro expansion if
+       -fpreprocessed.
+       * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
+       IN_I directives only if the # is in column 1 and the directive
+       name begins in column 2.
+       * cppmain.c (scan_buffer): Insert a space between # and an
+       identifier, when that identifier is a directive name.
+
+       * tradcpp.c (struct file_buf): Add a pointer to the next entry
+       in the header search path.
+       (enum node_type): Add T_INCLUDE_NEXT.
+       (directive_table): Add entry for include_next.
+       (do_include_next): New function.
+       (process_include): New routine, broken out of do_include.
+       (finclude): Insert 'nhd' argument, to be copied into
+       next_header_dir of the new buffer.
+       (main): Adjust to match.
+       * gsyslimits.h, limity.h: Un-indent #include_next.
+
+2001-05-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * objc.texi: Move from ../libobjc/objc-features.texi.  Adjust for
+       inclusion as a chapter of the GCC manual.
+       * gcc.texi: Include objc.texi.
+       * fdl.texi: Use @unnumberedsec for the addendum.
+       * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
+
+Wed May  9 16:01:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
+
+Wed May  9 10:40:25 2001  Alexandre Oliva  <aoliva@redhat.com>
+
+       * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
+       handling of two-address insns.
+
+Wed May  9 10:36:18 2001  Alexandre Oliva  <aoliva@redhat.com>
+
+       * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
+       ../binutils/nm-new instead of ../binutils/nm.
+
+Wed May  9 12:15:46 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movdi splitter): Fix the splitting condition
+       (float_extenddftf splitter): Fix mode.
+
+Wed May  9 12:05:39 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * genrecog.c (write_switch): Avoid outputting of switch for
+       types wider than int.
+
+2001-05-03  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * reload1.c (copy_eh_notes): New function.
+       (emit_input_reload_insns): Call it.
+       (emit_output_reload_insns): Call it.
+
+2001-05-07  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
+       Delete stanzas.
+       * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
+       config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
+
+       * optabs.c: Delete #ifdef BROKEN_LDEXP block.
+
+2001-05-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.md (interspace_jump): Revise comment.
+       (builtin_longjmp): Block initial setup insns from delay slot of
+       interspace branch.
+       (builtin_setjmp_receiver): New expander to save and restore PIC
+       register.
+
+       * som.h (NM_FLAGS): Remove `-n' sort option.  Revise comment.
+
+Mon May  7 09:30:14 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * toplev.c (compile_file): Set up the output file before we call
+       the various initializers for the compiler.
+
+       * except.c (sjlj_mark_call_sites): Do not search for assignments to
+       non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
+
+       * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
+       * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
+
+2001-05-06  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in (tradcpp0): Correct typo in dependency list.
+
+2001-05-06  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
+       the link register if we're not going to use it.
+
+       * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
+       (output_function_profiler): Likewise.
+
+2001-05-07  Alan Modra  <amodra@one.net.au>
+
+       * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
+
+2001-05-06  Alexandre Oliva  <aoliva@redhat.com>
+
+       * unroll.c (loop_iterations): Don't sign-extend abs_diff;
+       zero-extend it.  Make abs_inc unsigned.
+
+       * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
+       widest mode in narrowing and widening operations.
+
+       * config/mips/mips.md: Sign extend CONST_INTs.
+
+2001-05-06  Andreas Jaeger  <aj@suse.de>
+
+       * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
+       (i386 Options): Document -momit-leaf-frame-pointer.
+
+2001-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-typeck.c (internal_build_compound_expr): Check for
+       array to pointer conversion just once.
+
+2001-05-05  Richard Henderson  <rth@redhat.com>
+
+       * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
+
+2001-05-05  Richard Henderson  <rth@redhat.com>
+
+       * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
+       to the parent of the fixup region.
+
+2001-05-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
+       "inline" keyword.
+       * cpp.texi (__NO_INLINE): Document it.
+
+2001-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (struct include_file): New member err_no.
+       (find_or_create_entry): Set it.
+       (open_file): Don't set fds to -2.  Instead, use err_no to
+       remember previous errors, if any.
+
+2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
+       between X and Y by using sequences of xgdx and xgdy.
+
+2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
+       of '!' for the 'D' alternative ('!' is too strong).
+       ("*logicalsi3_silshl16"): Likewise.
+       ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
+       ("movstrictsi"): Remove spurious '+'.
+       ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
+       ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
+       ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
+       a reload to them.
+
+2001-05-04  David Edelsohn  <edelsohn@gnu.org>
+
+       * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
+
+2001-05-04  Lars Brinkhoff  <lars@nocrew.org>
+
+       * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
+       into -a.
+
+2001-05-04  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/rs6000/rs6000.md (ashldi3 splits): Guard with
+       TARGET_POWERPC64.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
+       soft register, use ror instead of rol.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
+       into account pre/post increment decrement for 68HC12.
+       Fix other problems in replacement and fix call to reg_mentioned_p.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
+       Put the soft registers in bss for 68HC12.
+       (L_regs_d3_4): New for _.d3 and _.d4.
+       (L_regs_d5_6): Likewise.
+       (L_regs_d1_2): Likewise.
+       * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
+       to the pre-processor when -fshort-double is specified.
+       * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
+       (__mulsi3): Rewrite for 68HC12.
+       * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
+       Mark 'x' constraint with earlyclobber to prevent a
+       RELOAD_FOR_OTHER_ADDRESS to go in it.
+       (mulhi3_m68hc12): New pattern.
+       (mulhi3_m68hc11): Rename of mulhi3.
+       (mulhi3): New expand for 68HC12 optimisation.
+       (umulhisi3, mulhisi3): New patterns for 68HC12.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
+       (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
+       (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
+
+2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
+       constants cheap after reload.
+       * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
+       are cheap.
+       (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
+       so that gcc prefers a shift by 16.
+       (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
+
+2001-05-04  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
+
+2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha.h: NULL_PTR -> NULL.
+       * arm.c: Likewise.
+       * arm.h: Likewise.
+       * avr.h: Likewise.
+       * c4x.c: Likewise.
+       * c4x.h: Likewise.
+       * i386.c: Likewise.
+       * i386.md: Likewise.
+       * i860.c: Likewise.
+       * ia64.c: Likewise.
+       * m68hc11.h: Likewise.
+       * rs6000.h: Likewise.
+       * sh.c: Likewise.
+       * sh.h: Likewise.
+       * sparc.h: Likewise.
+       * v850.c: Likewise.
+
+       * expr.c: Likewise.
+       * final.c: Likewise.
+       * gcc.c: Likewise.
+       * recog.c: Likewise.
+
+2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
+       `bool' parameter to `int'.
+
+       * hash.c (hash_lookup): Likewise.
+
+       * hash.h (hash_lookup): Likewise.
+
+       * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
+
+Fri May  4 13:10:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (x86_initialize_trampoline): Fix mode of constant.
+
+2001-05-03  Geoff Keating  <geoffk@redhat.com>
+
+       * invoke.texi (i386 Options): Delete references to -malign-jumps,
+       -malign-loops, -malign-functions.
+       * i386.c (ix86_align_funcs): Delete.
+       (ix86_align_loops): Delete.
+       (ix86_align_jumps): Delete.
+       (override_options): Mark -malign-* as obsolete.  Emulate their
+       behavior with the -falign-* options.  Default -falign-* from
+       the processor table.
+       * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
+       patch of Wed May 2 13:09:36 2001.
+       (LOOP_ALIGN): Delete.
+       (LOOP_ALIGN_MAX_SKIP): Delete.
+       (LABEL_ALIGN_AFTER_BARRIER): Delete.
+       (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
+
+2001-05-04  Andreas Jaeger  <aj@suse.de>
+
+       * except.h: Add prototype declaration for
+       expand_builtin_init_dwarf_reg_sizes.
+
+2001-05-03  Geoffrey Keating  <geoffk@redhat.com>
+
+       * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
+       instruction.
+       ("bitcmpqi2"): New pattern for bit-extract and test.
+       ("bitcmphi"): New pattern for bitb/bita instructions.
+
+2001-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gccbug.in: Use a temporary directory when the mktemp command is
+       not available.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
+       instead of _.d1.
+       (INITIALIZE_TRAMPOLINE): Call it.
+       (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
+       (TRAMPOLINE_TEMPLATE): Remove.
+       * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
+       * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
+       Declare.
+
+2001-05-03  David O'Brien  <obrien@FreeBSD.org>
+
+       * config/t-freebsd: Don't install "assert.h" in gcc.  Compile crtbeginS.o
+       and crtendS.o with PIC.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
+       negative numbers.
+       (___subdi3, ___adddi3): Use x instead of y as index register.
+       (__init_bss_section, __map_data_section): Optimize for 68HC12.
+       (__memset, __memcpy): Likewise.
+       (regs): Put the soft registers in bss for 68HC12.
+       (abort): Use trap to abort for 68hc12.
+       (__mulhi3, __mulhi32): Use emul for 68hc12.
+       (__mulsi3): Avoid to use the tmp soft register for 68hc12.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
+       * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
+       * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
+       (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
+       Set 68HC12 min offset to -65536.
+       (print_operand): Put parenthesis arround the operand if it refers
+       to a symbol having the same name as a register.
+       (m68hc11_z_replacement): When z register is replaced by its
+       equivalent soft register, force the insn to be re-recognized.
+       (m68hc11_check_z_replacement): Fix the test when destination is
+       the index register and z dies in the insn.
+       (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
+       costs according to processor variant.
+       (m68hc11_shift_cost): New function to compute shift costs.
+       (m68hc11_rtx_costs): Define costs according to processor variant.
+       (m6811_cost): Costs for 68HC11.
+       (m6812_cost): Costs for 68HC12.
+       (COSTS_N_INSNS): Remove.
+
+       * config/m68hc11/m68hc11.h (RTX_COSTS): New.
+       (DEFAULT_RTX_COSTS): Remove.
+       (CONST_COSTS): Define costs according to OUTER_CODE.
+       (processor_costs): New struct to define costs.
+       (m68hc11_cost): Pointer to current costs.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
+       and use m68hc11_notice_keep_cc when using leax/leay.
+       (addhi3 split): Reject split if the insn is handled by
+       leax/leay above.
+       * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
+       push must be handled in a special way if the source operand uses
+       sp as index register.
+       (m68hc11_notice_keep_cc): New function.
+       (m68hc11_gen_movhi): Use it when an insn changes a register but
+       not the flags.
+       (m68hc11_gen_movqi): Fix move for 68HC12.
+       * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
+       and don't pass operands[0] to emit_library_call_value.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
+       (zero_extendsi split): Simplify and use (zero_extendhi).
+       (*addhi3): Remove 'w' constraint since stack pointer is handled
+       by (addhi3_sp).
+       (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
+       (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
+       (*ashrhi3_const): Fix shift by 7.
+       (*lshrsi3_const16): Fix template.
+       (call, call_value): Fix constraint and predicate.
+
+2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
+       (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
+       (CC_REGNUM): Likewise.
+       (*unnamed splits): Use above constants instead of hard coded numbers.
+       (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
+       (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
+       (*return_16bit, *unnamed peepholes): Likewise.
+
+2001-05-03  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix):  Do not include
+       rs6000/rs6000.h twice.
+
+2001-05-03  Mark Elbrecht  <snowball3@bigfoot.com>
+
+       * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
+       (CPP_SPEC): Conditionally define MSDOS and GO32.
+       (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
+       (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
+       ignored.
+       (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
+
+2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
+
+2001-05-03  Mark Mitchell  <mark@codesourcery.com>
+
+       * integrate.h (struct inline_remap): Add leaf_reg_map table.
+       * integrate.c (expand_inline_function): Use xcalloc to allocate
+       memory.
+       (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
+       registers.
+
+2001-05-03  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
+       if it is not set.
+
+2001-05-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
+       linker if -mrelax is given.
+       (TARGET_SWITCHES): Document -mrelax.
+
+       Re-installed 2001-01-09's patch:
+       * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
+       if it's wider than long and the target's long is wider than the
+       host's.
+
+2001-05-02  David O'Brien  <obrien@FreeBSD.org>
+
+       * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h:  Do not
+       directly include rs6000/rs6000.h.  Instead do it in tm.h.
+
+2001-05-02  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
+       NSConstantString for NeXT-style runtimes.
+       (STRING_OBJECT_GLOBAL_NAME): New macro.
+       (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
+       OCTI_STRING_CLASS_DECL.
+       (constant_string_global_id): New macro.
+       (string_class_decl): Ditto.
+       (setup_string_decl): New function.
+       (build_objc_string_object): Use it to build a NeXT runtime
+       compatible string initializer.
+
+2001-05-02  Jakub Jelinek  <jakub@redhat.com>
+
+       * tradcpp.c (do_define): Make sure we don't walk past limit.
+
+2000-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
+       offsets if not REG_OK_STRICT.
+
+       * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
+       (INT_REG_OK_FOR_INDEX_P): Likewise.
+       (INT_REG_OK_FOR_BASE_P): Likewise.
+       (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
+       (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
+       (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
+       INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
+       REG_OK_FOR_BASE_P. Take an additional parameter.
+       (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
+       (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
+       (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
+       (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
+       rs6000_legitimate_address() and use it.
+       * config/rs6000/rs6000.c: Update all callers.
+       (rs6000_legitimate_address): New function.
+
+2001-05-02  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (rs6000_emit_move): Merge
+       special_constant conditional blocks together.
+
+2001-05-02  Dale Johannesen  <dalej@apple.com>
+
+       * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
+       parameter.
+       (STRICT_ARGUMENT_NAMING): Define.
+       * config/rs6000/rs6000.c (function_arg_advance, function_arg,
+       function_arg_partial_nregs, setup_incoming_varargs): Remove
+       args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
+       is defined.
+
+Wed May  2 13:09:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
+
+       * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
+       for replacement.
+
+       * expr.c (store_field): Do nothing except elaborate side-effects if
+       zero-bit field.
+
+2001-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-lex.c: NULL_PTR -> NULL.
+       * cse.c: Likewise.
+       * emit-rtl.c: Likewise.
+       * gcse.c: Likewise.
+       * genpeep.c: Likewise.
+       * jump.c: Likewise.
+       * mips-tdump.c: Likewise.
+       * reload1.c: Likewise.
+       * rtlanal.c: Likewise.
+       * stmt.c: Likewise.
+       * stor-layout.c: Likewise.
+       * toplev.c: Likewise.
+
+2001-05-01  Per Bothner  <per@bothner.com>
+
+       * expr.c (expand_expr):  When compiling LABELED_BLOCK_EXPR,
+       call do_pending_stack_adjust before emiting label.
+
+2001-05-01  Mark Mitchell  <mark@codesourcery.com>
+
+       * extend.texi: Fix typo.
+
+2001-05-01  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
+       of UOBJC_MODULES_decl.
+       (generate_strings): Clear DECL_CONTEXT of new decl nodes.
+       (generate_descriptor_table): Ditto.
+       (generate_protocols): Ditto.
+       (generate_protocol_list): Ditto.
+       (generate_classref_translation_entry): Ditto.
+
+2001-05-01  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * invoke.texi (Optimize Options): Add documentation for `--param
+       max-delay-slot-insn-search' and `--param
+       max-delay-slot-live-search' and reorder --param section.
+       * params.def: Modify initial comment.
+       * params.h (param_info): Add `help' member.
+       * toplev.c (lang_independent_params): Include `help' description.
+       (display_help): Print --param parameters.
+
+2001-05-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
+       Remove references to deleted files.
+       (*-*-openbsd): No need to override xmake_file.
+       (*-*-sysv4): Treat like *-*-sysv.
+
+       * configure.in: Probe for ldopen in various places, and set up
+       collect2 to be linked with them if found.
+       Don't dink with Windows registry stuff unless $host_os is a
+       Win32 os name.  Check to see if we need -ladvapi32.
+       * configure: Regenerate.
+
+       * Makefile: Get rid of CLIB and HOST_CLIB.
+       Substitute in COLLECT2_LIBS and link collect2 against its contents.
+       * build-make: Get rid of HOST_CLIB.
+
+       * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
+       config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
+       config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
+       config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
+       config/rs6000/x-rs6000: Delete.
+
+       * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
+       Don't set CLIB.
+
+       24 x-host fragments remain, 0 x-cpu, 3 top level.
+
+2001-05-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
+       * configure: Regenerate.
+
+2001-05-01  Angela Marie Thomas <angela@cygnus.com>
+
+       * Makefile.in (install-headers): Remove redundant dependency.
+
+2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * c-tree.texi (USING_STMT): Document.
+
+2001-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
+       * c-common.c: Likewise.
+       * c-decl.c: Likewise.
+       * combine.c: Likewise.
+       * rs6000.c: Likewise.
+       * except.c: Likewise.
+       * explow.c: Likewise.
+       * expr.c: Likewise.
+       * fold-const.c: Likewise.
+       * function.c: Likewise.
+       * gcc.c: Likewise.
+       * gcse.c: Likewise.
+       * integrate.c: Likewise.
+       * loop.c: Likewise.
+       * objc/objc-act.c: Likewise.
+       * recog.c: Likewise.
+       * reg-stack.c: Likewise.
+       * reload.c: Likewise.
+       * reload1.c: Likewise.
+       * simplify-rtx.c: Likewise.
+       * stmt.c: Likewise.
+       * varasm.c: Likewise.
+
+2001-05-01  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+       * diagnostic.def: New file.
+       * diagnostic.h (diagnostic_t): New enum.
+       * Makefile.in (diagnostic.o): Depend on diagnostic.def
+
+2001-04-30  Zack Weinberg  <zackw@stanford.edu>
+
+       * tsystem.h: Test only POSIX for availability of string.h
+       and time.h.
+       * config.gcc (all systems): If USG appeared in xm_defines,
+       change it to POSIX.  If both USG and POSIX appeared, just
+       delete USG. Remove unnecessary quotes around xm_defines
+       settings.
+       (m68k-crds-unos*): Don't #define unos - tested nowhere.
+       (m68k-apple-aux*): Don't #define AUX - tested nowhere.
+       (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
+       powerpc-*-linux*): No need to set xm_defines - handled by
+       global settings for *-*-linux*.
+
+2001-04-30  Zack Weinberg  <zackw@stanford.edu>
+
+       * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
+       Always include gstab.h, not system stab.h.  Don't provide
+       default definitions of N_CATCH or N_OPT.  Always use the
+       gstab.h variant of STAB_CODE_TYPE.
+       * final.c: Don't include stab.h/gstab.h at all, or provide
+       defaults for N_SLINE and N_SOL.
+
+       * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
+       N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
+       available.
+       * sdbout.c: Always include gsyms.h instead of system syms.h.
+
+       * configure.in: No need to check for stab.h.
+       * configure, config.in: Regenerate.
+       * Makefile.in (final.o): Don't depend on gstab.h.
+
+2001-04-30  Mark Mitchell  <mark@codesourcery.com>
+           Richard Henderson  <rth@redhat.com>
+
+       * extend.texi: Improve documentation of volatile asms.
+
+2001-04-30  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-tree.texi: Fix thinko.
+       * gcc.texi: Likewise.
+
+2001-04-30  Richard Henderson  <rth@redhat.com>
+
+       * c-common.c (c_promoting_integer_type_p): New function, from the
+       corpse of old macro.  Properly promote too-small enumerations and
+       booleans.  Adjust all callers.
+       * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
+       (c_promoting_integer_type_p): Declare.
+       * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
+       * c-typeck.c: Likewise.
+       (default_conversion): Remove now redundant boolean check.
+
+2001-04-30  Jan Hubicka  <jh@suse.cz>
+           Richard Henderson  <rth@redhat.com>
+
+       * regmove.c (try_apply_stack_adjustment): Remove now redundant
+       sanity checks.
+       (combine_stack_adjustments_for_block): Don't combine stack
+       allocation followed by deallocations.  Handle grow-up stacks.
+
+2001-04-30  Mark Mitchell  <mark@codesourcery.com>
+
+       * fdl.texi: New file.
+       * c-tree.texi: Use the GFDL.
+       * gcc.texi: Likewise.
+
+2001-04-30  Stan Shebs  <shebs@apple.com>
+
+       * invoke.texi: Add a section documenting Objective-C options.
+
+2001-04-27  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * emit-rtl.c (try_split):  Copy EH notes to sequence.
+
+2001-04-30  Mark Mitchell  <mark@codesourcery.com>
+
+       * regmove.c (record_stack_memrefs): Catch all references to the
+       stack pointer.
+
+2001-04-29  Toomas Rosin <toomas at ns dot tklabor dot ee>
+
+       * Makefile.in (stmp-fixinc): quote shell assignment values
+
+2001-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
+
+       * gcc.c: Likewise.
+
+       * prefix.c: Likewise.
+
+2001-04-28  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (handle_class_ref): Rewrite to flush target
+       specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
+       * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
+       * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
+
+       * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
+       (NEXT_OBJC_RUNTIME): Define.
+
+Sat Apr 28 21:02:58 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
+       * simplify-rtx.c (simplify_gen_relational): Likewise.
+
+       * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
+
+       * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
+       * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
+
+       * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
+       registers in SSE case; fix handling of the immediates.
+       (negsf2_ifs, abssf2_ifs): Tweak constraints; require
+       operands to be in regsiters before reload.
+       (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
+       (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
+       (abstf,absxf,negtf,negxf splitters): Compute
+       properly the regnum for x86_64.
+       (avsdf2_if_rex64): New.
+
+Sat Apr 28 10:36:23 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
+       and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
+       into the constant pool.
+       * jump.c (jump_optimize_1): Remove barrier successors after all
+       the LABEL_NUSES counds have been computed.
+       (delete_barrier_successors): When deleting a tablejump insn, also
+       delete the jump table it uses.
+       * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
+       label into memory.
+
+2001-04-28  Martin Kalen  <martin.kalen@todaysystems.com.au>
+
+       * pa.c (FRP): Remove erroneous white space in macro definition.
+
+2001-04-28  Andreas Jaeger  <aj@suse.de>
+
+       * invoke.texi: Use XX-bit instead of XXbit or XX bit where
+       appropriate.
+       * extend.texi: Likewise.
+       * tm.texi: Likewise.
+
+2001-04-28  Andreas Jaeger  <aj@suse.de>
+
+       * md.texi: Use XX-bit instead of XXbit or XX bit where
+       appropriate.
+
+2001-04-28  Jens Schweikhardt <schweikh@schweikhardt.net>
+
+       * gcc.c (process_command): Allow -l lib in addition to -llib
+       for POSIX compliance. This fixes PR c/2347.
+
+       * invoke.texi: Update section on Link Options accordingly.
+
+2001-04-27  Zack Weinberg  <zackw@stanford.edu>
+
+       * function.c (purge_addressof_1): Remove the duplicate
+       if (code == SET) block.  Fold the two if (code == ADDRESSOF)
+       blocks together.
+
+2001-04-28  Jason Merrill  <jason_merrill@redhat.com>
+
+       * except.c (expand_eh_region_start): Don't start a new block.
+       (expand_eh_region_end): Don't end a block.
+       * stmt.c (expand_end_bindings): Don't end EH blocks.
+       (expand_decl_cleanup): Starting an EH region won't change the block.
+       (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
+       (is_eh_region): Lose.
+       * tree.h: Adjust.
+
+2001-04-27  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
+
+       * collect2.c (main): Add `-L' case to remove duplicate entries.
+       (is_in_args): New function to check for a duplicate argument.
+       * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
+       * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
+       * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
+       Define to be nonzero.
+
+2001-04-27  Andreas Jaeger  <aj@suse.de>
+           Richard Henderson  <rth@redhat.com>
+
+       * md.texi (Machine Constraints): Document additional i386
+       constraints and fix description of "A".
+
+Fri Apr 27 10:43:49 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
+
+2001-04-27  Jason Merrill  <jason_merrill@redhat.com>
+
+       * except.c (get_exception_filter): word_mode, not Pmode.
+
+2001-04-26  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
+       common to other movsf patterns.  Move up so that in future
+       people who change the other patterns will change it too.
+       (movsf_lo_sum): Allow even for soft-float; add appropriate
+       constraints.
+       (movsf_high): Likewise.
+       (movsf_high+1): Allow even for soft-float.
+
+       * function.c (expand_function_end): Always clobber the
+       return registers, even if there is no return label.
+
+Thu Apr 26 20:28:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
+
+Thu Apr 26 19:20:28 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
+       (pushqi2_rex64, pushhi2_rex64): Add.
+
+2001-04-26  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * except.c (expand_eh_region_end_cleanup): Force pending stack
+       adjust before emitting label that branches around cleanup code.
+
+2001-04-26  H.J. Lu  (hjl@gnu.org)
+
+       * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
+
+       * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
+       define.
+       * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
+       (ASM_OUTPUT_SECTION_NAME): Likewise.
+       (ASM_WEAKEN_LABEL): Likewise.
+       (UNIQUE_SECTION): Likewise.
+       (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+       (ASM_OUTPUT_DESTRUCTOR): Likewise.
+       * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
+       (ASM_OUTPUT_SECTION_NAME): Likewise.
+       (ASM_WEAKEN_LABEL): Likewise.
+       (UNIQUE_SECTION): Likewise.
+       (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+       (ASM_OUTPUT_DESTRUCTOR): Likewise.
+       * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
+       * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
+       (ASM_FILE_START): Likewise.
+       (ASM_OUTPUT_SOURCE_LINE): Likewise.
+       (ASM_DECLARE_OBJECT_NAME): Likewise.
+       (ASM_FILE_END): Likewise.
+       (ASM_DECLARE_FUNCTION_NAME): Likewise.
+       (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
+       (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+       (ASM_OUTPUT_CASE_LABEL): Likewise.
+       (ASM_OUTPUT_SKIP): Likewise.
+       (ASM_OUTPUT_ASCII): Likewise.
+       (ASM_OUTPUT_IDENT): Likewise.
+       (READONLY_DATA_SECTION): Likewise.
+       (EXTRA_SECTIONS): Likewise.
+       (EXTRA_SECTION_FUNCTIONS): Likewise.
+       (SELECT_RTX_SECTION): Likewise.
+       (SELECT_SECTION): Likewise.
+
+       * config/mips/linux.h (INVOKE__main): Undefine.
+       (CTOR_LIST_BEGIN): Likewise.
+       (CTOR_LIST_END): Likewise.
+       (DTOR_LIST_BEGIN): Likewise.
+       (DTOR_LIST_END): Likewise.
+       (SET_ASM_OP): Defined it to ".dummy".
+       (ASM_OUTPUT_DEF): Defined.
+       (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
+
+2001-04-26  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
+       assembler supports .p2align.
+
+2001-04-26  Nathan Sidwell <nathan@codesourcery.com>
+
+       * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
+
+2001-04-26  Jakub Jelinek  <jakub@redhat.com>
+
+       * integrate.c (expand_inline_function): Check for error_mark_node
+       in actual argument.
+
+2001-04-26  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
+       -m386 and -m486.
+
+2001-04-26  Alexandre Oliva  <aoliva@redhat.com>
+
+       * configure.in (configargs.h): Define thread_model.
+       * configure: Rebuilt.
+       * gcc.c (main): Print it with -v.
+
+2001-04-25  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * invoke.texi: Document -Wmissing-braces, -dumpspecs,
+       -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
+       * gcc.1: Regenerate.
+
+2001-04-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
+       is_redundant_typedef): Use static inline instead of inline static.
+
+Wed Apr 25 18:21:01 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
+       this directory is always searched.
+
+2001-04-25  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
+       of registers to restore along non eh_return path.
+
+2001-04-25  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-format.c (check_format_info_recurse): Handle
+       PLUS_EXPR for format string.
+
+2001-04-25  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/ia64/ia64.h (CC1_SPEC): Define.
+       * config/ia64/linux.h (CC1_SPEC): Define.
+
+Wed Apr 25 17:09:50 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * emit-rtl.c (constant_subword): Also do sign extension in
+       BITS_PER_WORD == 16 case.
+
+2001-04-25  Jason Merrill  <jason_merrill@redhat.com>
+
+       * loop.c (try_swap_copy_prop): Go back to checking insn.
+
+2001-04-25  Jakub Jelinek  <jakub@redhat.com>
+
+       * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
+       if check_mode is nonzero.
+
+2001-04-25  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
+       out and comparison sequence has been detected, put result into
+       proper temporary pseudo.
+
+2001-04-24  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
+       * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
+       * libgcc2.c: Remove __dummy and __builtin_saveregs.
+       * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
+       * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
+       for future reference.
+
+2001-04-24  Jason Merrill  <jason_merrill@redhat.com>
+
+       * except.c (reachable_handlers): Step out one level from a RESX.
+
+       * except.c (struct eh_region): Rename 'last' to 'resume'.
+       (mark_eh_region, duplicate_eh_region_1): Adjust.
+       (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
+       (build_post_landing_pads): Likewise.
+       (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
+       (expand_eh_region_end_must_not_throw): Likewise.
+       (connect_post_landing_pads): Thread (only) regions with non-deleted
+       resume insns.
+
+       * except.c (expand_eh_region_end_cleanup): Save the EH return data
+       registers around the cleanup.
+       (get_exception_filter): New fn.
+       (finish_eh_generation): Use it.
+
+2001-04-24  Nathan Sidwell <nathan@codesourcery.com>
+
+       * c-semantics.c (add_scope_stmt): Don't call
+       current_scope_stmt_stack multiple times.
+
+2001-04-24  Zack Weinberg  <zackw@stanford.edu>
+           Nathan Sidwell <nathan@codesourcery.com>
+
+       Lazy __FUNCTION__ generation.
+       * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
+       RID_C99_FUNCTION_NAME): New _RIDs.
+       (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
+       (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
+       CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
+       global tree slots.
+       (function_id_node, pretty_function_id_node, func_id_node): Remove.
+       (c99_function_name_decl_node, function_name_decl_node,
+       pretty_function_name_decl_node, saved_function_name_decls):
+       Declare.
+       (struct language_function): Remove x_function_name_declared_p.
+       (make_fname_decl): Remove a parameter.
+       (declare_function_names): Remove prototype.
+       (start_fname_decls, finish_fname_decls): Prototype.
+       (fname_as_string): Likewise.
+       (fname_string, fname_decl): Likewise.
+       * c-common.c (make_fname_decl): Adjust.
+       (struct fname_var_t): New struct.
+       (fname_vars): New static array.
+       (declare_function_name): Remove.
+       (start_fname_decls, finish_fname_decls): New functions.
+       (fname_as_string): New function from remnants of
+       declare_function_name.
+       (fname_string, fname_decl): New functions.
+
+       * c-decl.c (c_function_name_declared_p): Remove.
+       (init_decl_processing): Don't generate __FUNCTION__ et al ids,
+       don't call declare_function_name. Call start_fname_decls.
+       (c_make_fname_decl): Adjust parameters. Generate the name. Don't
+       clobber the line number. Call finish_decl.
+       (start_function): Call start_fname_decls.
+       (finish_function): Call finish_fname_decls.
+       Remove c_function_name_declared_p.
+       (push_c_function_context): Don't push c_function_name_declared_p.
+       (pop_c_function_context): Don't pop c_function_name_declared_p.
+       (c_begin_compound_stmt): Don't check c_function_name_declared_p.
+       * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
+       (program): Call finish_fname_decls for C.
+       (primary): Add VAR_FUNC_NAME.
+       (reswords): Add slots for __FUNCTION__ et al.
+       (rid_to_yy): Add mappings for __FUNCTION__ et al.
+       (yylexname): If it's a STRING_FUNC_NAME generate the function name
+       now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
+       * c-semantics.c (prune_unused_decls): Remove.
+       (finish_stmt_tree): Don't call prune_unused_decls.
+       (genrtl_decl_stmt): Don't prune unused decls here.
+
+2001-04-24  Nick Clifton  <nickc@cambridge.redhat.com>
+
+       * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
+       constant pool, use the pool's SYMBOL_REF instead.
+
+       * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
+       v850e.
+
+2001-04-23  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
+       passing nested NOP_EXPRs to fold.
+
+Mon Apr 23 14:32:12 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
+
+2001-04-22  Mark Mitchell  <mark@codesourcery.com>
+
+       * loop.c (loop_delete_insns): Add prototype.
+
+2001-04-23  Phil Edwards  <pme@sources.redhat.com>
+
+       * configure.in:  Remove ENABLE_STD_NAMESPACE.
+       * config.in:  Regenerated.
+       * configure:  Regenerated.
+
+2001-04-22  Stan Shebs  <shebs@apple.com>
+
+       * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
+       into xm_defines.
+       * config/rs6000/xm-darwin.h: Remove file.
+
+2001-04-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
+       (write_c_file_stat): Likewise.
+
+       * dbxout.c (dbxout_init): Likewise.
+
+       * profile.c (output_func_start_profiler): Likewise.
+
+2001-04-22  Philipp Thomas  <pthomas@suse.de>
+
+       * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
+       require it instead of the CVS version.
+       * cpperror.c (v_message): Put a blank before the macro
+       body to not confuse exgettext.
+
+2001-04-21  Mark Mitchell  <mark@codesourcery.com>
+
+       * flow.c (proagate_one_insn): Remove useless assignment.
+       * jump.c (delete_insn): Tidy.
+       * loop.c (try_copy_prop): When deleting an instruction with a
+       REG_RETVAL note, delete the entire libcall sequence.
+       (loop_delete_insns): New function.
+       * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
+       we're not substituting into them yet.
+
+2001-04-21  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
+
+       * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
+       Fix a comment typo.
+       * config/i960/i960.c (signed_arith_operand): Likewise.
+
+       * calls.c (expand_call): Fix a comment typo.
+
+2001-04-20  Zack Weinberg  <zackw@stanford.edu>
+
+       * configure.in: Probe for times, clock, struct tms, and clock_t.
+       * configure, config.in: Regenerate.
+       * timevar.c: Replace ifdef forest in get_time with (relatively)
+       straightforward series of checks based on autoconf's probes.
+
+Fri Apr 20 12:24:50 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/som.h (NM_FLAGS): Define.
+
+2001-04-20  Bernd Schmidt  <bernds@redhat.com>
+
+       * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
+       function.
+       * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
+       * ia64.c (nop_cycles_until): New function.
+       (prev_cycle, prev_first, last_issued): New static variables.
+       (ia64_sched_reorder): Additional arg for clock.
+       On final scheduling pass, emit extra NOPs as needed.
+       Set prev_first and prev_cycle.
+       (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
+       (ia64_variable_issue): Set last_issued.
+
+2001-04-20  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_int_movcc,
+       ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
+
+2001-04-20  Geoff Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
+       ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
+       ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
+       ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
+       ctrdi_internal6): In the short-branch case, this insn is only 4
+       bytes long.  Reported by Reza Yazdani <reza@apple.com>.
+
+2001-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
+       "=u" is used together with "st" resp. "st(1)" clobber.
+
+2001-04-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcse.c (gcse_main): Fix comment typo.
+       (delete_null_pointer_check): Likewise.
+       (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
+       * cse.c (cse_insn): Likewise.
+       * function.c (fixup_var_refs_insns_with_hash): The sequence is
+       toplevel.
+
+2001-04-19  Zack Weinberg  <zackw@stanford.edu>
+
+       * toplev.c: Excise all code for the undocumented -dm option.
+       (float_signal): Call signal just once, unconditionally.
+
+2001-04-19  Geoff Keating  <geoffk@redhat.com>
+
+       * fold-const.c (fold): Use first_rtl_op rather than
+       TREE_CODE_LENGTH when looping over parameters of a tree.
+       Correct strange grouping in test for evaluated SAVE_EXPR.
+
+Thu Apr 19 19:15:26 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
+       * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
+
+       * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
+       name at 32 total characters.
+       (ASM_OUTPUT_SECTION_NAME): Similarly.  Also, only support placing
+       functions in named sections -- data items can still go into unique
+       sections, but they have normal names (ie $LIT$ and $DATA$).
+
+       * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
+       INIT_PRIORITY.
+
+2001-04-19 DJ Delorie  <dj@redhat.com>
+
+       * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
+       to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
+       * config/i386/cygwin.h: Likewise.
+       * config/i386/mingw32.h: Likewise.
+       * config/vax/vms.h: Likewise.
+       * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
+
+       * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
+       to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
+       * config/i386/xm-cygwin.h: Likewise.
+       * config/i386/xm-djgpp.h: Likewise.
+       * config/i386/xm-mingw32.h: Likewise.
+       * config/vax/xm-vms.h: Likewise.
+
+       * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
+       instead of OBJECT_SUFFIX.
+       * collect2.c (find_a_file): Look for files matching the extension
+       HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
+       * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
+       TARGET_EXECUTABLE_SUFFIX.
+       (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
+       (make_relative_prefix): Likewise.
+       (convert_filename): Use TARGET_ suffixes throughout.  Remove
+       NO_AUTO_EXE_SUFFIX.
+       (process_command): Likewise.
+       (do_spec_1): Likewise.
+       * java/lang.c (init_parse): Likewise.
+
+       * gcc.texi : Document four new options matching the pattern
+       (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX.  Remove documentation
+       for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX.  Remove
+       documentation for NO_AUTO_EXE_SUFFIX.
+
+2001-04-19  Mark Mitchell  <mark@codesourcery.com>
+
+       * toplev.h (struct lang_hooks): Allow decode_option to indicate
+       that language-independent processing should not be done.
+       * toplev.c (main): Adjust accordingly.
+
+       * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
+       * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
+
+       * mips.md (reload_outputdi): Require that operand0 be a
+       general_operand.
+
+2001-04-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * invoke.texi (-Wshadow): Clarify.
+
+2001-04-18  Mark Mitchell  <mark@codesourcery.com>
+
+       * loop.c (load_mems): Examine all the instructions in the loop
+       before concluding that all jumps branch to the first instruction
+       after the loop.
+
+Wed Apr 18 20:32:03 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
+
+2001-04-18  Jakub Jelinek  <jakub@redhat.com>
+
+       * cpp.texi (-Wwhite-space): Remove.
+       (-Wall): -Wall does not imply -Wwhite-space.
+
+2001-04-17  Zack Weinberg  <zackw@stanford.edu>
+
+       * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
+       use it instead of blindly generating a .stabs.
+       * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
+       in the right place.
+       * xcoffout.c: Don't bother defining default for N_CATCH.
+       (UNKNOWN_STAB): Use internal_error.
+       (stab_to_sclass): Remove now-unnecessary aborts.
+       Remove #if 0'ed case N_BROWS.  Add #ifdef N_OPT block.
+
+Tue Apr 17 21:41:11 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * jump.c (mark_all_labels): Canonicalize the tail recursion
+       label attached to CALL_PLACEHOLDER insns.
+
+2001-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * output.h (dump_flow_info, free_basic_block_vars,
+       which_alternative): Delete redundant prototypes.
+
+       * rtl.h (bss_section): Likewise.
+
+2001-04-17  Loren J. Rittle  <ljrittle@acm.org>
+
+       * dbxout.c (N_OPT): Define if not available from <stab.h>
+
+2001-04-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
+       libraries and native K&R compilers.
+
+2001-04-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-typeck.c (convert_arguments): Don't check for width changes
+       with -Wtraditional.
+
+       * invoke.texi (-Wtraditional): Update documentation.
+
+2001-04-16  Zack Weinberg  <zackw@stanford.edu>
+
+       * toplev.c (output_lang_identify): Delete.
+       (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
+       Don't generate gcc2_compiled. label.  Don't emit a nop if profiling.
+       If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
+       after calling ASM_FILE_END.
+
+       * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
+       Instead, unconditionally emit an N_OPT stab with string equal
+       to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
+
+       * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
+
+       * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
+       config/psos.h, config/ptx4.h, config/1750a/1750a.h,
+       config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
+       config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
+       config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
+       config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
+       config/i370/i370.h, config/i386/beos-elf.h,
+       config/i386/osf1elf.h, config/i386/osfrose.h,
+       config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
+       config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
+       config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
+       config/m68k/tower-as.h, config/mcore/mcore-elf.h,
+       config/mips/iris6.h, config/mips/osfrose.h,
+       config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
+       config/sparc/sp64-elf.h:
+       Delete definitions of any or all of: ASM_IDENTIFY_GCC,
+       ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
+
+       * config/elfos.h, config/freebsd.h, config/linux.h,
+       config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
+       config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
+       config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
+       of ASM_FILE_START which merely emit a .version directive.  Delete
+       definitions of ASM_FILE_END which merely emit an .ident directive.
+
+       * config/avr/avr.h, config/vax/vax.h: Delete definition of
+       ASM_IDENTIFY_GCC and move part of its logic into
+       ASM_FILE_START.
+
+       * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
+       config/sparc/linux-aout.h: Don't emit .version directive in
+       ASM_FILE_START.
+
+       * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
+       (output_file_start): Correct comment.
+
+       * config/i386/osfrose.h: Don't emit trailing .ident directive.
+       * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
+       to match gdb.
+       * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
+       * config/rs6000/aix.h: Correct comment.
+
+       * config/i386/i386afe.h: Delete.
+       * config.gcc: Remove references to i386afe.h.
+
+       * tm.texi: Delete documentation of ASM_IDENTIFY_GCC.  The
+       other macros deleted by this patch were undocumented.
+
+Mon Apr 16 08:03:48 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa.md (reload_outdi): Operand 0 must be a non hard register.
+
+       * pa.c (secondary_reload_class): SAR<->FP copies require a
+       secondary register.
+
+       * install.texi (mips-mips-bsd): Update list of functions
+       required to include memmove.
+       * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
+       used functions to include memmove.
+
+2001-04-15  Toon Moene  <toon@moene.indiv.nluug.nl>
+
+       * i386.md (sqrtdf2): SFmode should be DFmode.
+
+2001-04-15  Alexandre Oliva  <aoliva@redhat.com>
+
+       * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
+       (find_moveable_store): Likewise.
+
+2001-04-15  Jim Wilson  <wilson@redhat.com>
+
+       * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
+
+Sat Apr 14 16:24:19 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
+       (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
+
+2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
+       first alternative.
+
+2001-04-14  Alan Modra  <amodra@one.net.au>
+
+       * pa.c (force_mode): New function.
+       (emit_move_sequence): Use it instead of generating new rtx_REGs.
+
+2001-04-13  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
+       (first_instruction): New static variable.
+       (rtx_needs_barrier): Return 1 for alloc.
+       (init_insn_group_barriers): Set first_instruction.
+       (rws_sum): Delete duplicate definition.
+       (group_barrier_needed_p): Return 0 when first_instruction true.
+       (safe_group_barrier_needed_p): Save and restore first_instruction
+       around group_barrier_needed_p call.
+
+Fri Apr 13 21:40:28 2001  Loren J. Rittle  <ljrittle@acm.org>
+
+       * expr.h (enum libfunc_index): Add LTI_memmove.
+       (memmove_libfunc): Define macro.
+       * optabs.c (init_optabs): Initialize memmove_libfunc.
+       * expr.c (expand_assignment): Use memmove_libfunc instead of
+       memcpy_libfunc.
+
+2001-04-13  Alan Modra  <alan@linuxcare.com.au>
+
+       * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
+       fp mode addresses.
+
+2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (reg-stack.o): Depend on reload.h.
+       (insn-attrtab.o): Depend on flags.h.
+
+       * genattrtab (main): Include flags.h in insn-attrtab.c.
+
+       * reg-stack.c: Include reload.h.
+
+       * sparc.h (flag_pic): Delete redundant declaration.
+
+       * output.h (flag_pic): Likewise.
+
+       * tree.h (pedantic): Likewise.
+
+2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
+
+       * jump.c, regmove.c, toplev.c: Include reload.h.
+
+       * reload.h (reload_cse_regs): Declare.
+
+       * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
+       reload_cse_regs, init_reload, mark_home_live, reload,
+       init_caller_save): Delete redundant prototypes.
+
+2001-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
+
+       * regclass.c, ssa.c: Include expr.h.
+
+       * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
+       gen_move_insn): Delete redundant declarations.
+
+2001-04-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
+       (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
+       MAKEINFO and MAKEINFOFLAGS too.
+       (stage4_build): Correctly order -B flags.
+
+2001-04-13  Alan Modra  <amodra@one.net.au>
+
+       * pa.c (hppa_init_pic_save): Set rtx_unchanging for
+       PIC_OFFSET_TABLE_SAVE_RTX.
+       (zdepi_cint_p): Describe zdepi insn.
+       Formatting and white space fixes throughout file.
+
+       * pa.c (uint32_operand): Don't use long constant >= 2^32.
+       (emit_move_sequence): Use HOST_WIDE_INT constants.  Don't worry
+       about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
+       (compute_movstrsi_length): Make `align' unsigned to avoid warning.
+       (output_64bit_and): Use plain `int's for shift counts.
+       (output_64bit_ior): Likewise.
+       (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
+       * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
+       `N', and simplify.
+
+       * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
+       * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
+       * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
+       NEW_HP_ASSEMBLER into one.  Kill warnings.
+
+       * pa-gas.h: Delete file.
+       * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
+       Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*.  Update
+       hppa*-*-linux*.  For all pa targets, remove pa/gas.h from tm_file,
+       instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
+
+       * config/pa/mill32.S: New file.
+       * config/pa/mill64.S: New file.
+       * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
+       LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
+       * config/pa/t-linux64: New file.
+       * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
+       (LIB1ASMFUNCS, LIB1ASMSRC): Define.
+       (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
+
+       * elfos.h (SELECT_SECTION): Undef before defining.
+       * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
+       (LIB_SPEC): Remove -lmilli.
+       (DBX_REGISTER_NUMBER): Remove.
+       (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
+       (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
+       NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
+       DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
+       DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
+       ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
+       ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
+       TARGET_GAS): Define.
+       * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
+       (function_arg): If TARGET_ELF32, pass fp args in both general and fp
+       regs if we don't have a prototype.
+       * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
+       * pa.h (TARGET_ELF32): Default to 0 if undefined.
+       (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
+       EH_RETURN_HANDLER_RTX): Define.
+       * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
+       (DWARF_FRAME_REGNUM): Define.
+       * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
+       * pa32-linux.h: New file.
+       * pa64-linux.h: New file.
+
+       * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
+       (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
+       (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
+       NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
+       DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
+       DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
+       CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
+       FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
+       READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
+       DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
+       UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
+       ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
+       TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
+       * pa64-hpux.h: New file.
+       (ASM_FILE_START): Correct typo.
+       (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
+       * config.gcc: Modify for above.
+
+Fri Apr 13 00:09:22 EDT 2001  John Wehle  (john@feith.com)
+
+       * jump.c (jump_optimize_1): Don't delete dead stores here.
+       * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
+       prior to running jump optimize before cse2.
+
+2001-04-12  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (regmove.o): Depend on except.h.
+       * regmove.c: Include it.
+
+2001-04-12  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c: Remove all code ifdefed with the never-used
+       macro OBJC_INT_SELECTORS.
+       * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
+       * tm.texi: Remove doc for OBJC_INT_SELECTORS.
+
+Thu Apr 12 18:13:37 2001  Rodney Brown  <RodneyBrown@mynd.com>
+
+       * config/pa/quadlib.c: Add prototypes.
+
+2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * bitmap.h (debug_bitmap): Delete redundant prototype.
+
+       * rtl.h (get_frame_size): Likewise.
+
+2001-04-12  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
+       to just emit an fnorm.
+
+2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-common.h (truthvalue_conversion, type_for_mode,
+       type_for_size): Delete redundant declarations.
+
+       * c-lex.h (is_class_name): Likewise.
+
+       * c-tree.h (pedantic, convert, getdecls, gettags,
+       global_bindings_p, init_decl_processing, insert_block,
+       maybe_build_cleanup, poplevel, print_lang_decl,
+       print_lang_identifier, print_lang_type, pushdecl, pushlevel,
+       set_block, incomplete_type_error, build_function_call,
+       lvalue_or_else, mark_addressable): Likewise.
+
+       * expr.h (expand_tree_builtin): Likewise.
+
+2001-04-12  Mark Mitchell  <mark@codesourcery.com>
+
+       * invoke.texi: Document --param max-gcse-memory.
+
+2001-04-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * configure.in (errno): Check for declaration.
+       * configure, config.in: Regenerated.
+
+       * system.h (errno): Only declare if not already done.
+
+2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * recog.c (general_operand, immediate_operand,
+       nonmemory_operand): Require CONST_INTs to be sign-extended
+       values for their modes.
+
+2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * expmed.c (store_bit_field): Truncate CONST_INTs.
+       (expand_mult_highpart, expand_divmod): Likewise.
+       * expr.c (convert_modes, store_field): Likewise.
+       * integrate.c (expand_inline_function): Use promote_mode() to
+       determine whether to convert_modes() an argument as signed
+       or unsigned.
+       * optabs.c (expand_binop): Get CONST_INT operands
+       sign-extended for their appropriate modes.
+       * stmt.c (emit_case_nodes): Convert node values to the
+       appropriate mode.
+       (expand_end_case): Convert minval and range to the appropriate
+       mode.
+       * unroll.c (loop_iterations): Truncate abs_diff to the mode of
+       the iteration variable.
+       * varasm.c (immed_double_const): Don't require words to be
+       narrower than host wide ints to properly sign-extend
+       CONST_INTs.
+
+2001-04-12  kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+       * sh.md (builtin_setjmp_receiver): New expander.
+
+2001-04-12  David Edelsohn  <dje@watson.ibm.com>
+
+       * config/rs6000/rs6000.c (rs6000_emit_move): Do not
+       special-case HOST_BITS_PER_WIDE_INT != 32.  Use same criteria
+       for generating CONST_INT and CONST_DOUBLE.
+
+2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
+       already sign-extended.
+       (rs6000_emit_prologue): Make register iterator signed.
+       (rs6000_emit_epilogue): Likewise.
+       * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
+       and low.
+       (movsf split, movdf split): Sign-extend CONST_INTs.
+       (movdi splits): Likewise.
+
+2001-04-12  Kelley Cook <kelley.cook@home.com>
+
+       * config-lang.in (lang_dirs): Add in zlib.
+
+2001-04-11  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
+       operands that make it to RTL.
+
+2001-04-11  Stan Shebs  <shebs@apple.com>
+
+       Add Darwin (Mac OS X kernel) native support.
+       * config.gcc (powerpc-*-darwin*): Add native bits.
+       * config/darwin.c: New file, generic Darwin support functions.
+       * config/darwin.h: New file, generic Darwin definitions.
+       * config/darwin-protos.h: New file, generic Darwin prototypes.
+       * rs6000/darwin.h: New file, Darwin for PowerPC.
+       * rs6000/t-darwin: New file, Darwin makefile fragment.
+       * rs6000/rs6000.h (OBJECT_MACHO): New macro.
+       (TARGET_MACHO): Ditto.
+       (rs6000_abi): Add ABI_DARWIN.
+       (RS6000_REG_SAVE): Add ABI_DARWIN case.
+       (RS6000_SAVE_AREA): Ditto.
+       (FP_ARG_MAX_REG): Ditto.
+       (RETURN_ADDRESS_OFFSET): Ditto.
+       * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
+       cases.
+       (rs6000_emit_move): Add ABI_DARWIN cases.
+       (print_operand): Ditto.
+       (first_reg_to_save): Ditto.
+       (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
+       (debug_stack_info): Ditto.
+       (rs6000_emit_prologue): Ditto.
+       (rs6000_emit_epilogue): Ditto.
+       (output_profiler_hook): Ditto.
+       (output_function_profiler): Ditto.
+       (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
+       (output_mi_thunk): Add TARGET_MACHO case.
+       (add_compiler_stub): Ditto.
+       (output_compiler_stub): Ditto.
+       (no_previous_def): Ditto.
+       (output_call): Ditto.
+       (machopic_output_stub): Ditto.
+       (rs6000_machopic_legitimize_pic_address): Ditto.
+       (toc_section): Ditto.
+       * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
+       (macho_high): Ditto.
+       (macho_low): Ditto.
+       (movsi_low): Ditto.
+       (load_macho_picbase): Ditto.
+       (call): Add TARGET_MACHO case to modify function.
+       (call_value): Ditto.
+       (call_nonlocal_sysv): Add ABI_DARWIN case.
+       (call_value_nonlocal_sysv): Ditto.
+       * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
+       Add prototype.
+       (machopic_output_stub): Ditto.
+       * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
+
+2001-04-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * dwarf2out.c (modified_type_die): Don't create new types here.
+       * tree.h (get_qualified_type): New function.
+       (build_qualified_type): Adjust comment.
+       * tree.c (get_qualified_type): New function.
+       (build_qualified_type): Use it.
+
+2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cpp.texi (-Wtraditional): Update description.
+
+       * invoke.texi (-Wtraditional): Likewise.
+
+2001-04-11  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
+       requires more than 64 bits of alignment.
+
+2001-04-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (do_line): Sanity check iff enable checking.
+
+2001-04-11  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (insn-recog.o): Depend on toplev.h.
+       (insn-emit.o, doloop.o): Likewise.
+       * genrecog.c, genemit.c: Include toplev.h in generated file.
+       * doloop.c: Include toplev.h.
+
+2001-04-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (gcse.o): Depend on params.h.
+       * gcse.c: Include params.h.
+       (gcse_main): Don't do GCSE if doing so will take inordinate
+       amounts of memory.
+       * params.def (PARAM_MAX_GCSE_MEMORY): New  parameter.
+       * params.h (MAX_GCSE_MEMORY): New macro.
+
+2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (insn-output.o): Depend on $(EXPR_H).
+
+       * genoutput.c (output_prologue): Include expr.h in insn-output.c.
+
+2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
+
+       * real.h (ereal_atof, real_value_truncate, target_isnan,
+       target_isinf, target_negative, assemble_real, debug_real): Delete
+       redundant prototypes.
+
+       * Makefile.in (ifcvt.o): Depend on toplev.h.
+
+       * c-semantics.c: Include expr.h.
+
+       * ifcvt.c: Include toplev.h.
+
+       * expr.h (rtx_equal_p): Delete prototype.
+
+       * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
+       protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
+       eliminate_constant_term, expand_complex_abs, find_single_use,
+       make_tree, init_expr_once, init_optabs, supports_one_only):
+       Likewise.
+
+       * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
+       rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
+       expand_assignment, store_expr, emit_line_note_after,
+       emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
+
+       * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
+
+       * sparc-protos.h: Delete redundant prototypes.
+
+2001-04-11  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
+
+       * reload.c (push_reload): Add condition missed in SUBREG byte
+       offset patch.
+
+Wed Apr  4 00:28:23 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
+
+Wed Apr 11 14:06:10 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (floatsisf_sse): Fix output template
+       * i386.c (ix86_expand_fp_movcc)
+
+       * reg-stack.c (emit_pop_insn): Handle complex modes.
+       (move_for_stack_reg): Emit proper move mode.
+       (subst_stack_regs_pat): Handle complex modes.
+
+2001-04-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
+
+2001-04-10  Richard Henderson  <rth@redhat.com>
+
+       * libgcc2.h (__terminate_func_ptr): Remove typedef.
+       (__pure_virtual, __terminate, __terminate_set_func,
+       __default_terminate, __throw_type_match, __empty,
+       __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
+       __eh_rtime_match, __unwinding_cleanup, __rethrow,
+       __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
+       Remove prototypes of deleted functions.
+
+2001-04-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-typeck.c (convert_arguments): -Wtraditional now activates
+       -Wconversion warnings, except for changes in signed-ness.
+       Detect complex<->int & int<->complex conversions as well.
+
+       * invoke.texi (-Wtraditional): Document it.
+
+Tue Apr 10 17:45:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
+       * flow.c (set_block_for_new_insns): Remove needless cast and
+       properly check for unset block number.
+
+2001-04-10  Andrew MacLeod  <amacleod@redhat.com>
+
+       * function.c (purge_single_hard_subreg_set): Only check REGNO if
+       the subreg was a hard register. Pseudos are left as subregs.
+
+2001-04-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
+       (LIB2ADD_ST): New macro, pass it to mklibgcc.
+       * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
+       (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
+       * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
+
+2001-04-09  Bo Thorsen  <bo@suse.co.uk>
+
+       * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
+
+2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
+
+       * output.h (set_block_num): Missed it earlier, remove deprecated
+       prototype.
+
+2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
+
+       * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
+       (load_killed_in_block_p): Change bb parameter from int to basic_block.
+       (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
+       (handle_rd_kill_set): Change bb parameter from int to basic_block.
+       (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
+       (expr_killed_p): Change bb parameter from int to basic_block, pass
+       basic_blocks instead of ints as parameters.
+       (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
+       (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
+       from int to basic_block, pass basic_blocks instead of ints as parms.
+       (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
+       parameter from int to basic_block, pass basic_blocks instead of ints.
+       (process_insert_insn): Pass basic_blocks instead of ints as parameters.
+       (insert_insn_end_bb): Change bb parameter from int to basic_block,
+       pass basic_blocks instead of ints.
+       (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
+       basic_blocks instead of ints as parameters.
+       (pre_delete): Pass basic_blocks instead of ints as parameters.
+       (hoist_expr_reaches_here_p): Change bb parameter from int to
+       basic_block, pass basic_blocks instead of ints.
+       (hoist_code): Pass basic_blocks instead of ints as parameters.
+       (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
+       Change bb parameter from int to basic_block.
+       (build_store_vectors): Pass basic_blocks instead of ints as parameters.
+       (insert_insn_start_bb): Change bb parameter from int to basic_block,
+       pass basic_blocks instead of ints.
+       (insert_store): Pass basic_blocks instead of ints as parameters.
+       (replace_store_insn, delete_store): Change bb parameter from int to
+       basic_block, pass basic_blocks instead of ints.
+       (store_motion): Pass basic_blocks instead of ints as parameters.
+
+2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
+
+       * basic-block.h (set_new_block_for_insns): New Prototype.
+       (set_block_num): Delete prototype.
+       * flow.c (set_block_num): Remove obsolete function.
+       (set_block_for_new_insns): Set BB for single or multiple insns.
+       * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
+       (process_insn_end_bb): Use set_block_for_new_insns or
+       set_block_for_insn instead of set_block_num.
+       (pre_insert_copy_insn): Use set_block_for_new_insns.
+       (update_ld_motion_stores): Use set_block_for_new_insns.
+       (insert_insn_start_bb): Use set_block_for_new_insns.
+       (replace_store_insn): Use set_block_for_new_insns.
+
+2001-04-09  Andrew MacLeod  <amacleod@redhat.com>
+           Jeff Law  <law@redhat.com>
+
+       * alias.c (get_addr): Externalize.
+       (canon_true_dependence): New function. Behaves like true_dependance
+       except it already assumes a MEM has been canonicalized.
+       * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
+       * gcse.c (struct ls_expr): Add load/store expressions structure.
+       (modify_mem_list, canon_modify_mem_list): New variable.
+       (gcse_main): Initialize & finalize alias analysis. Use enhanced
+       load motion and store motion if requested.
+       (alloc_gcse_mem): Allocate space for modify_mem_list array.
+       (free_gcse_mem): Free the modify_mem_list array.
+       (oprs_unchanged_p): Use load_killed_in_block_p.
+       (gcse_mems_conflict_p, gcse_mem_operand): New variables.
+       (mems_conflict_for_gcse_p): New function.  Don't kill loads
+       with stores to themselves if its in the load/store expression list.
+       (load_killed_in_block_p): New function.
+       (canon_list_insert): New Function.
+       (record_last_mem_set_info): Keep a list of all instructions which
+       can modify memory for each basic block.
+       (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
+       (oprs_not_set_p): Use load_killed_in_block_p.
+       (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
+       (expr_killed_p): Use load_killed_in_block_p.
+       (compute_transp): Do not pessimize memory references.
+       (pre_edge_insert): Update stores for a load motion expression.
+       (one_pre_gcse_pass): Check loads/stores for extra load motion.
+       (ldst_entry): Find or create a ldst_expr structure.
+       (free_ldst_entry): Free memory for an individual item.
+       (free_ldst_mems): Free entire load/store expression list.
+       (print_ldst_list): Print debug info.
+       (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
+       (enumerate_ldsts): Assign integer values to each entry in list.
+       (first_ls_expr): First expression in the list.
+       (next_ls_expr): Next expression in the list.
+       (simple_mem): Check if expression qualifies for ld/st expression list.
+       (invalidate_any_buried_refs): Remove from expression list if its
+       used in some other way we don't understand.
+       (compute_ld_motion_mems): Find all potential enhanced load motion
+       expression.
+       (trim_ld_motion_mems): Remove any expressions which are invalid.
+       (update_ld_motion_stores): Copy store values to registers for loads
+       which have been moved.
+       (regvec, st_antloc, num_store): New global statics.
+       (reg_set_info): Marks registers as set.
+       (store_ops_ok): Verfies registers expressions are valid in a block.
+       (find_moveable_store): Look for moveable stores in a pattern.
+       (compute_store_table): Find stores in a function worth moving, maybe.
+       (load_kills_store): Check dependence of a load and store.
+       (find_loads): Find any loads in a pattern.
+       (store_killed_in_insn): Check if a store is killed in an insn.
+       (store_killed_after): Check is store killed after an insn in a block.
+       (store_killed_before): Check is store killed before an insn in a block.
+       (build_store_vectors): Generate the antic and avail vectors.
+       (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
+       (insert_store): Add a store to an edge.
+       (replace_store_insn): Replace a store with a SET insn.
+       (delete_store): Delete a store insn.
+       (free_store_memory): Free memory.
+       (store_motion): Perform store motion.
+       * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
+       * rtl.h (get_addr, canon_true_dependence): Add prototypes.
+       * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
+       (f_options): Add gcse-lm and gcse-sm.
+
+Mon Apr  9 16:18:03 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (expand_fp_movcc): Fix condition reversal code.
+
+       * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
+       * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
+       (CLASS_MAX_NREGS): Use it.
+
+       * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
+       handle properly complex values.
+       (CLASS_MAX_NREGS): Likewise; update comment.
+
+2001-04-05  Bernd Schmidt  <bernds@redhat.com>
+
+       * ia64.c (ia64_flag_schedule_insns2): New variable.
+       (ia64_override_options): Initialize it.  Clear
+       flag_schedule_insns_after_reload.
+       (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
+
+Mon Apr  9 15:09:13 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
+       Do not require source to match destination anymore;
+       Add abort to the nontrivial cases that should be handled by split.
+       (fix_trunc?fdi): Add SSE case for x86_64.
+       (floatdi?f): Likewise.
+       (floatdi?f_sse): New.
+       (fix_trunc?fdi_sse): New.
+
+2001-04-09  Richard Sandiford   <rsandifo@redhat.com>
+
+       * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
+       (DEBUG_ARANGES_END_LABEL): Ditto.
+       (dwarfout_init): Generate length and version fields at the start
+       of the .debug_aranges info.  Insert DEBUG_ARANGES_BEGIN_LABEL
+       after the length field.
+       (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
+       the .debug_aranges info.
+
+Sun Apr  8 00:43:27 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (call, call_value): Make sure that resulting call_insn
+       does have proper second operand.
+
+Sun Apr  8 22:50:49 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
+       function.  Remove include of sys/cygwin.h.
+
+Sun Apr  8 22:20:27 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
+       (CPP_SPEC): Always search */include/w32api for header files.
+       (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
+       (LINK_SPEC): Add "cyg" to the library search prefixes.
+
+2001-04-08  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
+
+2001-04-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpperror.c (print_location): Don't special case <stdin>.
+       (_cpp_begin_message): Handle WARNING_SYSHDR the same as
+       WARNING, but we don't check if we're in system headers.
+       * cpplib.h (enum error_type): WARNING_SYSHDR: New.
+       * cpplib.c (do_warning): Warn in system headers.
+
+2001-04-07  Mumit Khan <khan@NanoTech.Wisc.EDU>
+
+       * mbchar.c: Include config.h first.
+
+2001-04-07  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc: Set default for xmake_file at top, not bottom.
+       Change places that set xmake_file to "none" to set to the
+       empty string instead, or remove them entirely if there is no
+       default xmake_file for this cpu_type.  Remove references to
+       deleted files.
+
+       * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
+       config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
+       config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
+       config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
+       config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
+       config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
+       config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
+       config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
+       config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
+       config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
+       Delete.
+
+       * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
+       config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
+       config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
+       config/mips/x-sysv, config/rs6000/x-aix31:
+       Just set CLIB to -lld or -lmld, as appropriate.
+
+       * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
+       config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
+       config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
+       config/mips/x-iris, config/pa/x-pa:
+       Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
+       OTHER_FIXINCLUDES_DIRS.
+
+       * config/i386/x-djgpp: Don't set LN or LN_S.
+       * config/m88k/x-dolph: Don't define __m88k__.
+       * config/m88k/x-tekXD88: Don't set AR_FLAGS.
+       * config/pa/x-pa-mpeix: Just set up quadlib.asm.
+       * config/i860/fx2800.h: No need to #undef SVR4.
+
+       38 x-host fragments remain, 2 x-cpu.
+
+2001-04-07  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
+
+2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
+
+2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * configure.in: Add check for lstat.
+       * configure, config.in: Regenerate.
+       * cppinit.c (append_include_chain): Make empty path ".".
+       * cpplib.c (do_line): Don't simplify #line paths.
+       * cppfiles.c (remove_component_p): New function.
+       (find_or_create_entry): Acknowledge stat () errors during
+       path simplification.
+       (handle_missing_header): Don't simplify paths.
+       (_cpp_simplify_pathname): Don't simplify VMS paths.  Return
+       the empty path untouched.  Don't leave a trailing '/'.
+
+2001-04-06  Benjamin Kosnik  <bkoz@redhat.com>
+
+       * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
+       * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
+
+2001-04-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (open_file): Fail directories silently, but
+       with an errno of NOENT set.
+       (read_include_file): Move the common exit code to the sole
+       caller.  Return an int indicating success or failure.  Let
+       open_file handle directories.
+       (stack_include_file): If read_include_file fails,
+       push a "null" buffer.
+
+2001-04-05  DJ Delorie  <dj@redhat.com>
+
+       * function.h (virtuals_instantiated): Declare.
+       * function.c: (virtuals_instantiated): Make global.
+       * calls.c (emit_library_call_value_1): Use
+       virtual_outgoing_args_rtx only if it hasn't been instantiated.
+       Otherwise, use the stack pointer directly.
+
+Thu Apr  5 19:13:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (x86_initialize_trampoline): New global function.
+       * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
+       (INITIALIZE_TRAMPOLINE): Move offline.
+       * i386-protos.h (x86_initialize_trampoline): Declare.
+
+Thu Apr  5 19:02:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
+       (lea_0): Rename to lea_1.
+       (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
+       (lea_general_?): Allow SImodes on TARGET_64BIT
+       (lea_general_?_zext): New patterns.
+       (call_1, call_1_rex64): Fix.
+
+Thu Apr  5 19:00:15 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
+
+Thu Apr  5 18:25:56 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (function_arg): Return constm1_rtx for last argument.
+       (ix86_expand_prologue): Update gen_call calls.
+       * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
+       * i386.md (call_pop): Likewise.
+       (call): Second operand is VOIDmode.
+       (call_0): Likewise; Support 64bits.
+       (call_exp): New expander.
+       (call_1): Get to the sync.
+       (call_1_exp): New pattern.
+       (call_value): Support 64bit.
+       (call_value_exp): New pattern.
+       (untyped_call): Update gen_call call.
+       (call_value_pop): Disable for 64bit.
+       (call_value_0_rex64): New pattern.
+       (call_value_1_rex64): Likewise.
+
+2001-04-05  Bo Thorsen  <bo@suse.de>
+
+       * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
+
+Thu Apr  5 13:44:17 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * i386.md (*andsi_1+3): If used after reload, make sure the operand
+       satisfies ANY_QI_REG_P.
+
+2001-04-05  Bernd Schmidt  <bernds@redhat.com>
+
+       * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
+       ASM_OPERAND.
+
+       * sched-deps.c (sched_analyze_insn): Revert more of the March 27
+       change.
+
+2001-04-04  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc: Remove default for xm_file.  Clean up local
+       machine type handling.  Remove settings of xm_file to
+       something that doesn't exist.  In the big switch, set xm_file,
+       don't append to it (the value before the big switch is always
+       null).  Don't force build_xm_file or host_xm_file to have a value.
+       * configure.in: Remove default for xm_file.  Do not special
+       case $cpu/xm-$cpu.h not existing.
+       * configure: Regenerate.
+
+2001-04-04  Diego Novillo  <dnovillo@redhat.com>
+
+       * simplify-rtx.c (simplify_binary_operation): Check for overflow
+       when folding integer division and modulo operations.
+
+2001-04-04  Andrew MacLeod  <amacleod@redhat.com>
+
+       * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
+       instead of DWARF2_ADDR_SIZE for EH addresses.
+       (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
+       EH addresses.
+
+2001-04-04  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
+       * config/ia64/t-glibc (LIB2ADDEH): Disable.
+       * config/ia64/t-ia64 (LIB2ADDEH): Disable.
+
+2001-04-04  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
+       * configure: Rebuilt.
+
+2001-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
+       push insns to delete to it instead of deleting them.
+       (delete_null_pointer_checks): Delete insns from delete_list after
+       all delete_null_pointer_checks_1 passes are done.
+
+2001-04-04  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
+       * configure: Rebuilt.
+
+2001-04-04  Zack Weinberg  <zackw@stanford.edu>
+
+       * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
+       * config/romp/xm-romp.h: Delete.
+
+2001-04-04  Bernd Schmidt  <bernds@redhat.com>
+
+       * sched-deps.c (sched_analyze_insn): Partially revert March 27
+       change.
+
+2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * emit-rtl.c (mark_label_nuses) Increment the label uses for
+       all labels present in rtx.
+       (try_split) Call new function for all split insns.
+
+2001-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * recog.c (validate_replace_rtx_1): Instead of aborting just make
+       sure the change won't be validated.
+
+Wed Apr  4 00:45:38 EDT 2001  John Wehle  (john@feith.com)
+
+       * rtl.h (set_noop_p): Declare.
+       * flow.c (set_noop_p): Move from here ...
+       * rtlanal.c (set_noop_p): ... to here and enhance.
+       * cse.c (delete_trivially_dead_insns): Use it.
+       * gcse.c (hash_scan_set): Likewise.
+       * jump.c (delete_noop_moves): Likewise.
+       * recog.c (split_all_insns): Likewise.
+
+2001-04-04  Alan Modra  <alan@linuxcare.com.au>
+
+       * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
+       stack pointer via a LO_SUM.  Ditto for setting a temp register
+       used to save to the stack.  Set cfa_temp when setting fp, and
+       allow matches to cfa_temp in addition to cfa_store when saving
+       regs.  Handle POST_INC and LO_SUM register stores.  Document the
+       changes and errors in rule 12 doco.
+
+       * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
+       (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
+       (load_reg): Move closer to epilogue code.
+       (DO_FRAME_NOTES): Define to control the following..
+       (FRP): Define to set RTX_FRAME_RELATED_P on insns.
+       (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
+       notes as necessary.
+       (hppa_expand_epilogue): Likewise.
+
+2001-04-03  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
+       * configure: Rebuild.
+
+2001-04-03  Richard Henderson  <rth@redhat.com>
+
+       * rtl.h (LCT_THROW): New.
+       * calls.c (emit_library_call_value_1): Handle it.
+       * except.c (connect_post_landing_pads): Use it.
+
+2001-04-03  Zack Weinberg  <zackw@stanford.edu>
+
+       * gansidecl.h: Delete file.
+       * configure.in: Change all refs to gansidecl.h to use
+       ansidecl.h.  Adjust *_file_list so they know where ansidecl.h
+       lives.
+       * configure: Regenerate.
+
+       * Makefile.in (intl.o): Don't depend on gansidecl.h.
+       * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
+       * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
+       Don't include gansidecl.h.
+       * intl.c, main.c, version.c, fixinc/fixlib.h,
+       fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
+       gansidecl.h.
+
+Tue Apr  3 19:41:21 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_force_to_memory, ix86_free_from_memory):
+       Update for 64bit.
+
+2001-04-03  Zack Weinberg  <zackw@stanford.edu>
+
+       * config/i386/xm-beos.h, config/i386/xm-isc.h,
+       config/i386/xm-next.h, config/i386/xm-sco.h,
+       config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
+       config/m88k/xm-m88k.h: Delete.
+
+       * config/i386/xm-djgpp.h: Don't define __MSDOS__.
+       * config/romp/xm-romp.h: Don't define bcopy.
+       * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
+       HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
+
+       * config.gcc: Remove references to deleted files.
+
+       14 xm-host.h remain, 1 xm-cpu.h.
+
+2001-04-03  Jakub Jelinek  <jakub@redhat.com>
+           David S. Miller  <davem@pierdol.cobaltmicro.com>
+           Andrew MacLeod  <amacleod@redhat.com>
+
+       Use byte offsets in SUBREGs instead of words.
+
+       * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
+       * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
+       to pass new argument.
+       (add_stored_regs): Use subreg_regno_offset function.
+       * calls.c (expand_call): For non-paradoxical SUBREG take endianess
+       into account.
+       (precompute_arguments): Use gen_lowpart_SUBREG.
+       * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
+       (combine_simplify_rtx): Rework to use SUBREG_BYTE.
+       (simplify_set): Rework to use SUBREG_BYTE.
+       (expand_field_assignment): Use SUBREG_BYTE.
+       (make_extraction): Use SUBREG_BYTE.
+       (if_then_else_cond): Use SUBREG_BYTE.
+       (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
+       (gen_lowpart_for_combine): Compute full byte offset.
+       * cse.c (mention_regs): Use SUBREG_BYTE.
+       (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
+       (canon_hash): Use SUBREG_BYTE.
+       (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
+       (gen_lowpart_if_possible): Formatting.
+       * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
+       correctly.
+       * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
+       (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+       (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+       * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
+       (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+       (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+       * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
+       certain invariants about SUBREGs the compiler creates.
+       (gen_lowpart_SUBREG): New function.
+       (subreg_hard_regno): New function to get the final register number.
+       (gen_lowpart_common): Use SUBREG_BYTE.
+       (gen_imagpart): Spacing nits.
+       (subreg_realpart_p): Use SUBREG_BYTE.
+       (gen_highpart): Use SUBREG_BYTE.
+       (subreg_lowpart_p): Always compute endian corrected goal offset,
+       even at the byte level, then compare against that.
+       (constant_subword): New function, pulled out all constant cases
+       from operand_subword and changed second argument name to offset.
+       (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
+       and call constant_subword to do the work.  Return const0_rtx if
+       looking for a word outside of OP.
+       (operand_subword_force): Change second arg name to offset.
+       * expmed.c (store_bit_field): Use SUBREG_BYTE.
+       (store_split_bit_field): Use SUBREG_BYTE.
+       (extract_bit_field): Use SUBREG_BYTE.
+       (extract_split_bit_field): Use SUBREG_BYTE.
+       (expand_shift): Use SUBREG_BYTE.
+       * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
+       * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
+       * flow.c (set_noop_p): Use SUBREG_BYTE.
+       (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
+       * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
+       (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
+       correction code.
+       (optimize_bit_field): Use SUBREG_BYTE.
+       (purge_addressof_1): Use SUBREG_BYTE.
+       (purge_single_hard_subreg_set): Use subreg_regno_offset function.
+       (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
+       actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
+       * gengenrtl.c (special_rtx): Add SUBREG.
+       * global.c (mark_reg_store): Use SUBREG_BYTE.
+       (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
+       * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
+       * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
+       final byte offset is congruent to subreg's mode size.
+       (subst_constants): Use SUBREG_BYTE.
+       (mark_stores): Use subreg_regno_offset function.
+       * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
+       function and SUBREG_BYTE.
+       * local-alloc.c (combine_regs): Use subreg_regno_offset function.
+       (reg_is_born): Use subreg_hard_regno.
+       * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
+       endian correction code.  Don't combine subregs unless resulting
+       offset aligns with type.  Fix subreg constant extraction for DImode.
+       Simplify SUBREG of VOIDmode CONST_DOUBLE.
+       (general_operand): Remove dead mode_altering_drug code.
+       (indirect_operand): Use SUBREG_BYTE.
+       (constrain_operands): Use subreg_regno_offset function.
+       * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
+       * regmove.c (regmove_optimize): Use SUBREG_BYTE.
+       (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
+       * regs.h (REG_SIZE): Allow target to override.
+       (REGMODE_NATURAL_SIZE): New macro which target can override.
+       * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
+       on the entire subreg rtx.
+       (push_reload): Use SUBREG_BYTE in comments and code.
+       (find_dummy_reload): Use subreg_regno_offset.  Only adjust offsets
+       for hard registers inside subregs.
+       (operands_match_p): Use subreg_regno_offset.
+       (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
+       containing hard regs.
+       (find_reload_toplev): Use SUBREG_BYTE.  Remove byte endian
+       corrections when fixing up MEM subregs.
+       (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
+       subreg_regno_offset where appropriate.
+       (find_reloads_subreg_address): Use SUBREG_BYTE.  Remove
+       byte endian corrections when fixing up MEM subregs.
+       (subst_reloads): When combining two subregs, make sure final
+       offset is congruent to subreg's mode size.
+       (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
+       (refers_to_regno_for_reload_p): Use subreg_regno.
+       (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
+       * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
+       correction code for memory subreg fixups.
+       (forget_old_reload_1): Use subreg_regno_offset.
+       (choose_reload_regs): Use subreg_regno.
+       (emit_input_reload_insns): Use SUBREG_BYTE.
+       (reload_combine_note_store): Use subreg_regno_offset.
+       (move2add_note_store): Use subreg_regno_offset.
+       * resource.c (update_live_status, mark_referenced_resources): Use
+       subreg_regno function.
+       (mark_set_resources): Use subreg_regno function.
+       * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
+       (subreg_regno_offset, subreg_regno): Define prototypes.
+       (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
+       (gen_lowpart_SUBREG): Add prototype.
+       * rtl.texi (subreg): Update to reflect new byte offset representation.
+       Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
+       * rtlanal.c (refers_to_regno_p): Use subreg_regno.
+       (reg_overlap_mentioned_p): Use subreg_regno.
+       (replace_regs); Make sure final offset of combined subreg is
+       congruent to size of subreg's mode.
+       (subreg_regno_offset): New function.
+       (subreg_regno): New function.
+       * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
+       * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
+       * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
+       * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
+       (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
+       * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
+       (a29k_get_reloaded_address): Use SUBREG_BYTE.
+       (print_operand): Use SUBREG_BYTE.
+       * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
+       * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
+       (arm_reload_out_hi): Use SUBREG_BYTE.
+       * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
+       instead of SUBREG_WORD.
+       (d30v_print_operand_memory_reference): Use subreg_regno_offset.
+       * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
+       SUBREG creation to use byte offset.
+       * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
+       inverted load insns): Fix explicit rtl subregs to use byte
+       offsets.
+       * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
+       udivsi3, umodsi3): Generate SUBREGs with byte offsets.
+       * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
+       * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
+       to use byte offsets.
+       (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
+       * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
+       offsets, also make sure it is congruent to SUBREG's mode size.
+       (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
+       unnamed ldob insn): Generate SUBREGs with byte offset.
+       (zero_extendqihi2): SUBREG's are byte offsets.
+       * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
+       (m68hc11_gen_highpart): Use SUBREG_BYTE.
+       * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
+       zero-extendqisi2): Generate SUBREGs with byte offset.
+       (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
+       subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
+       subregs in rtl to use byte offsets.
+       * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
+       * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
+       (mips_move_2words): Use subreg_regno_offset.
+       (mips_secondary_reload_class): Use subreg_regno_offset.
+       * config/mips/mips.md (DImode plus, minus, move, and logical op
+       splits): Fixup explicit subregs in rtl to use byte offsets.
+       * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
+       * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
+       * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
+       rtl to use byte offsets.
+       * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
+       * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
+       subregs to use byte offsets.
+       * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
+       Fixup explicit subregs in rtl to use byte offsets.
+       * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
+       and remove byte endian correction code.
+       * config/sh/sh.c (output_movedouble): Use subreg_regno.
+       (gen_ashift_hi): Use SUBREG_BYTE.
+       (regs_used): Use subreg_regno_offset.
+       (machine_dependent_reorg): Use subreg_regno_offset.
+       * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
+       * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
+       (movdf_i4): Subregs are byte offsets now.
+       * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
+       * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
+       (REGMODE_NATURAL_SIZE): Override.
+       (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
+       * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
+       with byte offsets.
+       (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
+       extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
+       extendqidi2): Generate SUBREGs with byte offsets, also make sure
+       it is congruent to SUBREG's mode size.
+       (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
+       offsets.
+       (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
+       cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
+       lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
+       SUBREG_BYTE offset for non-paradoxical subregs in patterns.
+       * config/v850/v850.c (print_operand, output_move_double): Use
+       subreg_regno function.
+
+2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * configure.in (target_subdir): Use target_alias, not target.
+       * configure: Rebuilt.
+
+       * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
+       other way round.
+       * config/sh/crti.asm: Fix typos in comments.
+
+2001-04-03  Alan Modra  <alan@linuxcare.com.au>
+
+       * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
+       TARGET_FAST_INDIRECT_CALLS.
+       * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
+       -fPIC.  Don't warn.
+       (return_addr_rtx): Short circuit export stub matching when
+       TARGET_NO_SPACE_REGS.
+       (output_millicode_call): For out of range calls, make -fPIC
+       take precedence, then TARGET_PORTABLE_RUNTIME, then ble.  Don't
+       return before delay slot checks when TARGET_PORTABLE_RUNTIME.
+       * pa.md: Modify length attr calculation of all millicode insns to
+       match above.
+
+2001-04-02  Geoffrey Keating  <geoffk@redhat.com>
+
+       * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
+       Require at least 2.11 in the version test.  Specifically check
+       for and reject GAS version 2.10.90.
+       * configure: regenerate.
+
+2001-04-03  Alan Modra  <alan@linuxcare.com.au>
+
+       * pa.c (override_options): Remove PIC profiling warning.
+       (hp_profile_labelno): Delete.
+       (hp_profile_label_rtx): Delete.
+       (hp_profile_label_name): Delete.
+       (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
+       (output_function_prologue): Remove profiling code and all tests on
+       profile_flag.  Move store of PIC_OFFSET_TABLE_REGNUM now that
+       merge_sp_adjust_with_store can work for PIC and profiling.
+       (hppa_expand_epilogue): Remove profile_flag test.
+       (hppa_can_use_return_insn_p): Likewise.
+       (hppa_init_pic_save): Emit before tail_recursion_reentry, and
+       cater for PROFILE_HOOK.
+       (hppa_profile_hook): New function.
+       * pa.h (FUNCTION_PROFILER): Now does nothing.
+       (PROFILE_HOOK): Define.
+       (hppa_profile_hook): Declare.
+       (PROFILE_BEFORE_PROLOGUE): Delete.
+       (ASM_OUTPUT_REG_PUSH): Delete.
+       (ASM_OUTPUT_REG_POP): Delete.
+       * pa.md (call_profiler): Turn it into a call insn, and don't `use'
+       r24.  Accept function name operand, and use this and a locally
+       generated label to calculate pc-rel offset to func start.
+
+2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
+       ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
+       $(SYSTEM_H).
+
+2001-04-03  Alan Modra  <alan@linuxcare.com.au>
+
+       * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
+       LO_SUM cases to where they belong.
+
+2001-04-02  Richard Henderson  <rth@redhat.com>
+
+       * except.h (lang_eh_type_covers): Mark extern.
+       (lang_eh_runtime_type): Likewise.
+
+2001-04-02  Zack Weinberg  <zackw@stanford.edu>
+
+       * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
+       gengenrtl.c:  Wrap generated header in multiple-include guard.
+       Improve error checking.
+
+2001-04-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * configure.in: Don't check for putenv.
+       * configure: Regenerate.
+       * gcc.c (putenv): Don't define.
+       * vax/xm-vms.h: Handle putenv.
+
+2001-04-02  Jakub Jelinek  <jakub@redhat.com>
+
+       * ifcvt.c (noce_emit_move_insn): New.
+       (noce_try_store_flag, noce_try_store_flag_constants,
+       noce_try_store_flag_inc, noce_try_store_flag_mask,
+       noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
+       noce_try_abs): Use it.
+       (noce_process_if_block): Likewise.
+       For STRICT_LOW_PART, take mode from its SUBREG.
+
+2001-04-02  Jakub Jelinek  <jakub@redhat.com>
+
+       * fold-const.c (fold): Before optimizing unsigned comparison with
+       0x7fffffffU, make sure arg0 is integral type.
+
+2001-04-02  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-tree.texi: Document representation of wide strings.
+
+2001-04-01  Richard Henderson  <rth@redhat.com>
+
+       * except.h (expand_builtin_dwarf_fp_regnum): Declare.
+
+Sun Apr  1 11:49:05 CEST 2001  Jan Hubicka  <jH@suse.cz>
+
+       * i386.md: remove obsoleted comments.
+       (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
+       (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
+       fix output template.
+
+2001-03-31  Marek Michalkiewicz  <marekm@linux.org.pl>
+
+       * config/avr/libgcc.S (__mulhi3): Optimize previous change.
+
+2001-03-30  Bernd Schmidt  <bernds@redhat.com>
+
+       * loop.c (load_mems): When generating a load from a pseudo, update
+       REGNO_LAST_UID.
+
+Fri Mar 30 17:36:43 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_split_long_move): Use change address to compensate
+       stack pointer change in push instruction.
+
+Fri Mar 30 00:31:00 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
+       instead of rtx_equal_p; fix the output template.
+
+Fri Mar 30 00:21:41 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_setcc): Support 64bit.
+       (ix86_expand_int_movcc): Likewise.
+       * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
+       New patterns.
+
+       * i386.md (allocate_stack_worker): Turn to expander.
+       (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
+
+       * i386.c (print_reg): Do not print x86_64 style regs on IA-32
+
+2001-03-29  Richard Henderson  <rth@redhat.com>
+
+       * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
+
+2001-03-28  Matthew Hiller  <hiller@redhat.com>
+
+       * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
+       output template.
+
+       * MAINTAINERS: Added self.
+
+2001-03-28  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
+       Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
+
+2001-03-28  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
+       operand_subword.
+
+2001-03-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
+
+       * tradcif.y (yyerror): Likewise.  Add format specifier in call to
+       `error'.
+
+       * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
+
+2001-03-28  DJ Delorie  <dj@redhat.com>
+
+       * Makefile.in (stage1_build): Revert CFLAGS patch.
+
+2001-03-28  Marek Michalkiewicz  <marekm@linux.org.pl>
+
+       * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
+       when multiplier or multiplicand is zero.
+
+2001-03-28  Bernd Schmidt  <bernds@redhat.com>
+
+       * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
+
+       * config/ia64/ia64.c (update_set_flags): New function, broken out of
+       rtx_needs_barrier.
+       (set_src_needs_barrier): Likewise.
+       (rtx_needs_barrier): For SET case, use these two functions.  Rework
+       PARALLEL case to handle all inputs before all outputs.
+       (emit_insn_group_barriers): Call init_insn_group_barriers only if we
+       saw a label and no stop bit since then.
+       (maybe_rotate, process_epilogue): Add prototypes.
+
+2001-03-28  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
+       not TARGET_TOC for special toc restore handling.
+       * config/rs6000/rs6000.md (eh_return): Likewise.
+
+2001-03-28  Richard Henderson  <rth@redhat.com>
+
+       * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
+       current_function_calls_eh_return.
+       (output_function_epilogue): Handle eh_return.
+       * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
+       (EH_RETURN_DATA_REGNO): New.
+       (EH_RETURN_STACKADJ_RTX): New.
+       (EH_RETURN_HANDLER_RTX): New.
+       * config/sparc/sparc.md (call/short branch peepholes): Check
+       can_throw_internal instead of in_same_eh_region.
+
+       * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
+       for eh_return data registers.
+       (rs6000_emit_prologue): Save eh_return data registers.
+       (rs6000_emit_epilogue): Force inline restores if eh_return.
+       Restore eh_return data registers.  Mind EH_RETURN_STACKADJ_RTX.
+       * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
+       (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
+       (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
+       the target uses one.
+       * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
+       (return_eh_si, return_eh_di): Remove.
+       (eh_return): New, from corpse of eh_epilogue.
+       (eh_set_lr_si, eh_set_lr_di): New.
+
+       * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
+       (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
+       True for pic register if current_function_calls_eh_return.
+       (ix86_expand_epilogue): Change "emit_return" argument into "style".
+       Handle eh_return requirements.
+       * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
+       (EH_RETURN_STACKADJ_RTX): New.
+       * config/i386/i386.md (exception_receiver): Remove.
+       (eh_return, eh_return_1): New.
+       * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+
+       * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
+       (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
+       (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
+       * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
+       (EH_RETURN_DATA_REGNO): New.
+       (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
+       * config/alpha/alpha.md (eh_epilogue): Remove.
+       (exception_receiver): Use $26 for ldgp input.
+       * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+
+2001-03-28  Richard Henderson  <rth@redhat.com>
+
+       * except.c: Rewrite entirely for IA-64 ABI exception handling.
+       * except.h: Likewise.
+
+       * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
+       (LIB2ADDEHDEP): New.
+       (LIB2FUNCS_EH): Remove.
+       (LIB2ADD): Remove LIB2ADDEH.
+       (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
+       (LIBGCC_DEPS): Use LIB2ADDEHDEP.
+       (crt{begin,end}[S].o): Likewise.
+       (except.o): Update includes.
+       * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
+       (libgcc2_c_dep): Use LIB2ADDEHDEP.
+
+       * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
+       * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
+       * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
+       * builtins.c (expand_builtin): Implement it.
+       [BUILT_IN_EH_RETURN]: Update for nr arguments change.
+       * c-common.c (c_common_nodes_and_builtins): Declare it.
+       * c-decl.c (init_decl_processing): Update __builtin_eh_return.
+       * calls.c (libfunc_nothrow): Remove.
+       (emit_library_call_value_1): Don't call it.
+       * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
+       * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
+       (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
+       * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
+       (current_funcdef_number): Globalize.
+       (output_call_frame_info): Emit frame data if an lsda is needed.
+       Generate augmentation for personality routine.  Don't play with
+       difference symbols.
+       (dwarf2out_begin_prologue): Record funcdef_number.
+       * dwarf2out.h (current_funcdef_number): Declare.
+       * expr.c (expand_expr): Update for except.h name changes.
+       Remove POPDCC_EXPR, POPDHC_EXPR.  Add EXC_PTR_EXPR.
+       * expr.h (LTI_throw, LTI_rethrow): Remove.
+       (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
+       (LTI_eh_rtime_match): Remove.
+       (LTI_unwind_resume, LTI_eh_personality): Add.
+       (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
+       * final.c (final): Don't call check_exception_handler_labels,
+       init_insn_eh_region, or free_insn_eh_region.
+       (final_scan_insn): Always emit debug labels for
+       NOTE_INSN_EH_REGION notes.
+       * flags.h (flag_new_exceptions): Remove.
+       * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
+       (record_active_eh_regions): Remove.
+       (count_basic_blocks): Check all instructions for REG_EH_REGION.
+       Use can_throw_internal.
+       (find_basic_blocks_1): Likewise.
+       (move_stray_eh_region_notes): Remove.
+       (find_label_refs): No eh_return_stub_label.
+       (make_edges): Likewise.  No init/free_eh_nesting_info.  Handle RESX.
+       (make_eh_edge): No eh_nest_info.  Update for reachable_handlers
+       changes.
+       (delete_unreachable_blocks): Don't track deleted handlers.
+       (flow_delete_block): Use maybe_remove_eh_handler.
+       (delete_eh_regions): Remove.
+       (merge_blocks): Don't check for eh region match.
+       (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
+       EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
+       (init_propagate_block_info): Disable dead frame store optimization
+       when current_function_calls_eh_return.
+       (dump_bb): Don't print eh_beg, eh_end.
+       * function.c (fixup_var_refs): No catch_clauses.
+       (expand_function_end): Likewise.  Call expand_eh_return before
+       the return register use.  Call sjlj_emit_function_exit_after.
+       (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
+       * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
+       * ifcvt.c (dead_or_predicable): Remove eh region check.
+       * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
+       Don't check for EH vs parameters.
+       (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
+       (expand_inline_function): Call duplicate_eh_regions.
+       (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
+       (copy_insn_notes): Remap REG_EH_REGION notes.
+       (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
+       * integrate.h (struct inline_remap): Add local_return_label.
+       * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
+       check_exception_handler_labels, nor exception_optimize.
+       (find_cross_jump): No EH region check.
+       * optabs.c (init_optabs): Update for changed eh libfuncs.
+       * rtl.def (RESX): New.
+       * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
+       * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
+       checks.  Update for except.h name changes.
+       (expand_cleanups): Likewise.
+       (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
+       * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
+       (compile_file): Call init_eh before init_optabs.  Don't
+       output_exception_table here.
+       (rest_of_compilation): Call convert_from_eh_region_ranges,
+       convert_to_eh_region_ranges, output_function_exception_table.
+       Don't emit_eh_context.
+       * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
+       (EXC_PTR_EXPR): New.
+
+       * md.texi (eh_epilogue): Remove.
+       (eh_return): Document.
+       * tm.texi (EH_RETURN_DATA_REGNO): Document.
+       (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
+
+       * eh-common.h: Remove file.
+       * frame-dwarf2.c, frame.c, frame.h: Remove files.
+       * libgcc2.c (L_eh): Remove.
+
+       * unwind-dw2-fde.c: New file, largely copied from frame.c.
+       * unwind-dw2-fde.h: New file.
+       * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
+       * unwind-sjlj.c, unwind.h, unwind.inc: New files.
+       * libgcc-std.ver: Update for eh symbols.
+
+2001-03-27  Richard Henderson  <rth@redhat.com>
+
+       * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
+       reduce false positives.
+       (regmove_optimize): Disable if flag_non_call_exceptions.
+
+       * stmt.c (expand_return): Remove always true predicate.
+       (expand_decl_cleanup_no_eh): Remove dead code.
+
+       * sched-deps.c (sched_analyze_insn): Consolidate scheduling
+       barrier code.  Add a scheduling barrier if a non-call insn
+       can throw internally.
+
+       * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
+       Auto-inc addresses trap only if their base register does.
+
+       * except.c (can_throw_internal): Rename from can_throw.
+       * except.h, resource.c: Update references.
+
+       * integrate.c (copy_insn_list): Use returnjump_p.
+       (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
+
+       * function.h (struct function): Move all boolean valued fields
+       to single bit fields at the end of the struct.
+
+       * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
+       jump.c, toplev.c:
+       Rename asynchronous_exceptions to flag_non_call_exceptions.
+
+       * gthr-single.h (UNUSED): New.  Distinguish between how C
+       and C++ mark unused function arguments.  Use throughout.
+
+       * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
+       value to target configuration header.
+       * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
+       * config.in, configure: Rebuild.
+       * except.h (USING_SJLJ_EXCEPTIONS): New.  Define based on
+       configuration and target defines.
+       (exceptions_via_longjmp): Remove.
+       * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
+       Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
+
+       * except.h (flag_non_call_exceptions): Move ...
+       * flags.h: ... here.
+
+       * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
+       exceptions, put the note on the trapping instruction.
+
+       * flags.h (flag_new_exceptions): Remove.
+       * toplev.c: Don't set it.
+       * final.c: Don't check it.
+       * except.c: Provide stub definition.
+
+       * flow.c (tidy_fallthru_edges): Don't combine complex edges.
+       (calculate_global_regs_live): Kill call-clobbered registers
+       across exception edges.
+       * reg-stack.c (convert_regs_1): Kill the entire target stack
+       across non-call exception edges.
+
+       * flow.c (cleanup_cfg): Take no argument.
+       * output.h, sibcall.c, toplev.c: Update all calls.
+
+2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * configure.in: Don't check for bcopy.
+       * configure, config.in: Regenerate.
+
+       * system.h: Don't define or prototype bcopy, instead poison it.
+
+2001-03-27  Richard Henderson  <rth@redhat.com>
+
+       * function.c (expand_function_start): Set DECL_REGISTER on
+       a pseudo used for DECL_RESULT.
+
+       * rtl.h (LCT_NORETURN): New.
+       * calls.c (emit_library_call_value_1): Handle it.
+
+2001-03-27  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (objc_init): Use dump_base_name.
+       (gen_declaration): Clear the buffer arg.
+       (gen_declaration_1): New function, body of gen_declaration.
+       (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
+       (gen_method_decl): Ditto, plus always clear buffer arg.
+       (error_with_ivar): Simplify.
+       (warn_with_method): Ditto.
+       (build_message_expr): Don't clear buffers.
+       (dump_interface): Ditto.
+       (objc_debug): Ditto.
+       (build_keyword_selector): Clear the buffer by only zeroing
+       the first element.
+       (objc_implementation_context): Declare.
+       (start_class): Warn about missing @end.
+       (finish_objc): Ditto.
+
+2001-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * reload1.c (eliminate_regs): Don't abort on MEM USEs.
+
+2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * Makefile.in (SYSTEM_H): Define.
+       Depend on $(SYSTEM_H), not system.h.
+
+       * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
+
+2001-03-27  Jim Wilson  <wilson@redhat.com>
+
+       * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
+       IA64_UNWIND_EMIT.
+       * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
+       (process_epilogue): New static function.
+       (process_set): Call process_epilogue instead of emitting .restore
+       directly.
+       (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
+
+       * flow.c (struct reg_cond_life_info): New fields orig_condition
+       and stores.
+       (init_propagate_block_info): Set new fields.
+       (mark_regno_cond_dead): Set and use new fields.
+       (flush_reg_cond_reg_1): Likewise.
+       (and_reg_cond, case AND): Check for redundant AND conditions.
+       (mark_used_reg): Delete unnecessary clears before freeing splay trees.
+       Set new fields.
+
+2001-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (stringify_arg): Null terminate strings.
+
+2001-03-27  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
+       inclusion style.  xm-m68hc11.h no longer exists.
+       * config/m68hc11/xm-m68hc11.h: Delete file.
+       * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
+
+       * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
+       Don't define GCC_VERSION, N_, or PARAMS; don't include
+       gansidecl.h or stdio.h.  Define inhibit_libc here.
+       Make code conditioned on #if GCC_VERSION > 2095 unconditional.
+       Delete code conditioned on #if GCC_VERSION == 2095.
+
+       * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
+       Make code conditioned on #if GCC_VERSION > 2095 unconditional.
+       Delete code conditioned on #if GCC_VERSION == 2095.
+
+2001-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * system.h: Include symcat.h.
+       (STRINGIFY): Don't define.
+
+       * configure.in: Adjust comment.
+
+       * builtins.c: Use STRINGX, not STRINGIFY.
+       * gencheck.c: Likewise.
+       * gengenrtl.c: Likewise.
+       * protoize.c: Likewise.
+
+       * cpplex.c: Don't include symcat.h.
+       * cpplib.c: Likewise.
+
+       * gansidecl.h (HAVE_STRINGIZE): Don't define.
+
+2001-03-27  Alan Modra  <alan@linuxcare.com.au>
+
+       * c-typeck.c (digest_init): Fold init expression.
+
+2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
+
+2001-03-27  Alan Modra  <alan@linuxcare.com.au>
+
+       * except.c (eh_regs): Save results of build_pointer_type to a temp
+       as FUNCTION_VALUE macro may evaluate its args multiple times.
+
+2001-03-26  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-common.h (DECL_NUM_STMTS): New macro.
+       * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
+       DECL_FRAME_SIZE.
+       (pushdecl): Likewise.
+       * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
+       * integrate.c (expand_inline_function): Don't check
+       DECL_FRAME_SIZE.
+       * print-tree.c (print_node): Don't print it.
+       * toplev.c (rest_of_compilation): Don't try to inline when
+       flag_no_inline is on.
+       * tree.h (DECL_FRAME_SIZE): Remove.
+       (tree_decl): Adjust accordingly.
+
+2001-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * combine.c (try_combine): Use memcpy, not bcopy.
+
+       * genattrtab.c (expand_units): Likewise.
+
+Mon Mar 26 15:55:08 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (push mem DI peep2): New.
+       (mov 0, mov -1 peep2): Handle 64bit.
+       (lea to arithmetics peep2): Handle 64bit leas.
+       (rsp arithmetics to push/pop peep2s): New.
+
+       * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
+
+Mon Mar 26 14:35:18 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (struct machine_function): Add save_varrargs_registers.
+       (ix86_save_varrargs_registers): New macro.
+       (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
+       (ix86_expand_prologue): Likewise.
+       (ix86_emit_epilogue_esp_adjustement): Likewise.
+       (ix86_expand_epilogue): Likewise.
+       * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
+       (pro_epilogue_adjust_stack_1): New insn.
+       (pro_epilogue_adjust_stack_rex64): Likewise.
+       * i386.h (MASK_NO_RED_ZONE): New constant.
+       (TARGET_RED_ZONE): New macro.
+       (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
+       (RED_ZONE_SIZE): New constant.
+       (RED_ZONE_RESERVE): New constant.
+
+2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * toplev.c (set_float_handler): Use memcpy, not bcopy.
+
+2001-03-25  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (umodqi3): Output a tab instead of a
+       space.
+       (modqi3): Likewise.
+       (umodhi3): Likewise.
+       (modhi3): Likewise.
+
+2001-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * mkconfig.sh (DEFINES): Handle entries with '='.
+
+       * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
+       Set xm_defines to MACRO=value instead.
+
+       * i370/xm-mvs.h: Delete.
+
+       * ns32k/xm-pc532-min.h: Likewise.
+
+Sun Mar 25 15:01:40 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
+       shiftdi_operand;
+       use ix86_expand_binary_operator
+       (?sh??i_?): Disable for 64bit.
+       * i386.h (PREDICATE_CODES): Add shiftdi_operand.
+       * i386.c (shiftdi_operand): New predicate.
+
+       * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
+       ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
+       ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
+       ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
+       ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
+       lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
+       lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
+       rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
+       rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
+       rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
+       (rotldi3, rotrdi3): New expanders.
+
+Sun Mar 25 14:25:33 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movstrsi): Move offline.
+       (movstrdi): New.
+       (strmovdi_rex64): New.
+       (strmov?i): Accept 64bit.
+       (strmov?i_rex64): New.
+       (strmov?i_rex_1): New.
+       (strmov?i_1): Disable for 64bit.
+       (rep_mov?i_rex64): New.
+       (rep_mov?i): Disable for 64bit.
+       (clrstrsi): Move offline.
+       (strset?i_rex64): New.
+       (strset?i: Accept 64bit.
+       (rep_stos?i): Disable for 64bit.
+       (rep_stos?i_rex64): New.
+       (strset?i_rex_1): New.
+       (strset?i_1): Disable for 64bit.
+       (cmpstrsi): Accept 64bit.
+       (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
+       (cmpstrqi_nz_rex_1): New.
+       (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
+       (strlensi): Move offline.
+       (strlendi): New.
+       (strlenqi_1): Disable for 64bit; fix constraints.
+       (strlenqi_rex_1): New.
+       * i386.c (ix86_adjust_counter): New static function.
+       (ix86_zero_extend_to_Pmode): Likewise.
+       (ix86_expand_aligntest): Likweise.
+       (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
+       (ix86_expand_movstr): New global function.
+       (ix86_expand_clrstr): New global function.
+       (ix86_expand_strlen): New global function.
+       * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
+       ix86_expand_strlen): Declare.
+       (ix86_expand_strlensi_unroll_1): Delete.
+
+Sat Mar 24 23:15:19 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (cmpdi): Fix operand predicates.
+       (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
+        cmpdi_1_insn_rex64): New patterns.
+       (adddi3): Turn to expander.
+       (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
+       (addsi3_carry_zext): New pattern.
+       (adddi_?_rex64): New patterns and splitters.
+       (addsi_?_zext): New patterns.
+       (subsi3_carry_zext): New pattern.
+       (subdi_?_rex64): New patterns and splitters.
+       (iorsi_?_zext): New patterns.
+       (iordi_?_rex64): New patterns and splitters.
+       (iorsi_?_zext): New patterns.
+       (iorsi_?_zext_imm): New patterns.
+       (xorsi_?_zext): New patterns.
+       (xordi_?_rex64): New patterns and splitters.
+       (xorsi_?_zext): New patterns.
+       (negdi*): New patterns.
+       (one_cmpldi*): Likewise.
+       (one_cmplsi*_zext, negsi*_zext): Likewise.
+       (testqi_ext_3_rex64): New pattern.
+
+Sat Mar 24 21:13:28 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386-protos.h (ix86_split_long_move): Return void.
+       * i386.c (ix86_split_to_parts): Handle 64bit target.
+       (ix86_split_long_move): Likewise.
+       * i386.md (all calls to ix86_split_long_move): Update.
+
+2001-03-23  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
+       to avoid shadowing arguments.
+
+2001-03-23  Jakub Jelinek  <jakub@redhat.com>
+
+       * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
+       to variable names where DECL_NAME is different from
+       DECL_ASSEMBLER_NAME.
+
+2001-03-23  Jim Wilson  <wilson@redhat.com>
+
+       * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
+       (assemble_alias): Call make_decl_rtl.
+
+Fri Mar 23 16:59:08 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
+
+2001-03-23  Bryce McKinlay  <bryce@albatross.co.nz>
+
+       * extend.texi: Document the "java_interface" attribute.
+
+2001-03-22  Zack Weinberg  <zackw@stanford.edu>
+
+       * mkconfig.sh: Use a subshell with redirected stdout,
+       instead of closing stdout and confusing commands that run
+       afterward.  Throw away output of cmp.
+
+2001-03-22  Gordon Sadler  <gbsadler1@lcisp.com>
+
+       * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
+
+Thu Mar 22 22:15:59 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (zero_extendsidi2_32): Break out from ...
+       (zero_extendsidi2): ... here ; turn to expander.
+       (zero_extendsidi2_rex64): New.
+       (extendsidi2_32): Break out from ...
+       (extendsidi2): ... here ; turn to expander.
+       (extendsidi2_rex64): New.
+       (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
+       (trunc?f?f splitters): Add 64bit versions.
+
+Thu Mar 22 21:41:16 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (pushsi, pushsi2_prologue): Disable.
+       (pushsi2_rex64): New.
+       (movabs?i_1_rex64, movabs?i_2_rex64): New.
+       (movqi_ext_1): Disable for 64bit.
+       (movqi_ext_1_rex64): New.
+       (pushdi2_rex64): New pattern, peep2s and splitter.
+       (pushdi2_prologue_rex64): New pattern.
+       (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
+       Likewise.
+       (movdi splitters): Disable for 64bit.
+       (movdi_1_rex64): New pattern, peep2s and splitters.
+       (swapdi): New pattern.
+       (pushsf): Disable for 64bit.
+       (pushsf_rex64): New pattern and splitter.
+       (pushdf_nointeger): Disable for 64bit.
+       (pushdf_integer): Handle the 64bit case.
+       (pushtf): Likewise; update splitters.
+
+2001-03-22  Richard Henderson  <rth@redhat.com>
+
+       * mkconfig.sh: Include insn-flags.h.
+       * Makefile.in (CONFIG_H): Include insn-flags.h.
+       (lots of objects): Remove insn-codes.h and insn-flags.h.
+
+       * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
+       integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
+       regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
+       avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
+       dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
+       i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
+       m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
+       mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
+       pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
+       v850/v850.c, vax/vax.c:
+       Don't include insn-flags.h.
+
+       * diagnostic.c, expr.h, reload.c, toplev.c:
+       Don't include insn-codes.h.
+
+       * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
+       final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
+       c4x/c4x.c, i960/i960.c, mips/mips.c:
+       Don't include insn-codes.h or insn-flags.h.
+
+       * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
+       or insn-flags.h in the generated code.
+       * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
+       (main): Forward declare struct rtx_def.
+
+2001-03-22  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * invoke.texi (-ffast-math): Remove duplicate line about
+       __FAST_MATH__.
+
+       * gcc.texi: Remove more obsolete documentation of bugs and
+       installation problems.
+
+2001-03-21  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
+       into two parts.
+
+2001-03-20  Jason Merrill  <jason@redhat.com>
+
+       * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
+       not '.' or '$'.
+       * tree.c (FILE_FUNCTION_FORMAT): Likewise.
+       * varasm.c (CHKR_PREFIX): Likewise.
+
+Wed Mar 21 14:27:11 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * gcse.c (hash_scan_set): An expression is not anticipatible if it
+       is part of a multi-SET insn.
+
+       * cse.c (find_comparison_args): Remove previous change.
+       * ifcvt.c (noce_process_if_block): When moving an insn, remove any
+       REG_EQUAL notes.
+
+       * config/i386/i386.md (conditional_trap): Remove warning.
+
+       * recog.c (push_operand): Fix error in last change that caused
+       undefined symbol on many targets.
+
+       * sdbout.c: #include ggc.h.
+       (sdbout_init): Move to end of file.
+       Call ggc_add_tree_root for anonymous_types.
+       (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
+       (sdbout_one_type): Use DECL_NAME for field name.
+       * Makefile.in (sdbout.o): Show includes ggc.h.
+
+Wed Mar 21 20:33:26 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
+       (override_options): Use properlimits for preferred_stack_boundary.
+       (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
+       on x86_64.
+       (ext_register_operand): Accept DImode.
+       (load_pic_register): Abort on 64bit.
+       (gen_push): Use Pmode instead of SImode.
+       (ix86_save_reg): Pic reg is never used on 64bit.
+       (ix86_expand_prologue): Likewise.
+       (ix86_emit_save_regs): Use Pmode instead of SImode.
+       (legitimate_address_p): Check displacement for 64bit.
+       (print_operand): Avoid outputting of (%rip) on 64bit.
+       (print_operand_address): Output (%rip) where possible.
+       (split_di): Abort on 64bit registers.
+       (ix86_expand_branch): DImode comparison is simple for x86_64.
+       (memory_address_length): Recognize memory addresses formed using
+       PRE/POST modify.
+       (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
+       for x86_64.
+       * i386.h (TARGET_USE_SAHF): Disable for 64bit.
+
+Wed Mar 21 18:51:19 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (push_operand): Recognize new format of push instructions.
+
+Wed Mar 21 10:53:57 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (pushqi1): New.
+       * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
+       x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
+       x86_64_immediate_operand, x86_64_immediate_operand,
+       x86_64_zext_immediate_operand): Declare.
+       * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
+       x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
+       x86_64_immediate_operand, x86_64_immediate_operand,
+       x86_64_zext_immediate_operand): define.
+       * i386.h (PREDICATE_CODES): Add new predicates.
+
+Wed Mar 21 10:25:13 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (pophi1, popqi1, pushqi1): Remove.
+
+       * expr.c (emit_single_push_insn): New function.
+       (move_by_pieces): Accept NULL as destination for push instructions.
+       (gen_push_operand): Kill.
+       (emit_push_insn): Pass NULL when pushing; avoid updating of
+       stack_pointer_delta.
+       * expr.h (gen_push_operand): Kill.
+
+Tue Mar 20 20:15:06 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * rtl.texi (COMPARE): Clarify documentation and reference section
+       on comparisons.
+
+2001-03-20  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (get_static_reference): Use NULL_TREE.
+       (get_object_reference): Ditto.
+       (error_with_ivar): Use error_with_file_and_line.
+       (warn_with_method): Use warning_with_file_and_line.
+
+2001-03-20  Tom Tromey  <tromey@redhat.com>
+
+       * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
+
+2001-03-20  Mark Mitchell  <mark@codesourcery.com>
+
+       * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
+       variables that are TREE_PUBLIC, even if not TREE_STATIC.
+
+2001-03-20  DJ Delorie  <dj@redhat.com>
+
+       * Makefile.in (install-libgcc): Pass complete list of variables.
+       (install-multilib): Ditto.
+
+2001-03-20  David Billinghurst  <David.Billinghurst@riotinto.com>
+
+       * config/i386/cygwin.h: Declare ctor_section, dtor_section
+       drectve_section, switch_to_section.
+
+       * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
+       i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
+       i386_pe_mark_dllimport.
+
+2001-03-20  David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * config/i386/cygwin.h: Include <stdio.h> Declare and constify
+       functions i386_pe_*.
+
+       * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
+       i386_pe_* functions with char * arguments.
+
+2001-03-20  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
+       and store.
+       (movsi_ie): Introduce fpul store.
+
+2001-03-20  Alan Modra  <alan@linuxcare.com.au>
+
+       * Makefile.in (OBJS): Remove hashtab.o.
+
+2001-03-19  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
+       * c-lang.c (maybe_objc_method_name): Ditto.
+       * c-tree.h (maybe_objc_method_name): Remove decl.
+
+2001-03-19  Tom Tromey  <tromey@redhat.com>
+
+       * gcc.c (init_gcc_specs): Fix comment.
+
+2001-03-19  Mark Mitchell  <mark@codesourcery.com>
+
+       Compute DECL_ASSEMBLER_NAME lazily.
+       * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
+       (DECL_ASSEMBLER_NAME_SET_P): New macro.
+       (SET_DECL_ASSEMBLER_NAME): Likewise.
+       (COPY_DECL_ASSEMBLER_NAME): Likewise.
+       (set_decl_assembler_name): Declare.
+       (lang_set_decl_assembler_name): Likewise.
+       * tree.c (lang_set_decl_assembler_name): New variab.e
+       (set_decl_assembler_name): New function.
+       (init_obstacks): Set lang_set_decl_assembler_name.
+       (build_decl): Don't set DECL_ASSEMBLER_NAME.
+       * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
+       COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
+       where it's not necessary.
+       (builtin_function): Likewise.
+       (finish_decl): Likewise.
+       * dbxout.c (dbxout_type_methods): Likewise.
+       * ggc-common.c (ggc_mark_trees): Likewise.
+       * profile.c (output_func_start_profiler): Likewise.
+       * varasm.c (make_decl_rtl): Likewise.
+
+       * cse.c (find_comparison_args): Update documentation.  Fix
+       mishandling of COMPARE operations.
+
+       * tree.def (ABS_EXPR): Add documentation.
+       * fold-const.c (fold): Improve folding of ABS_EXPRs.
+
+2001-03-19  Zack Weinberg  <zackw@stanford.edu>
+
+       * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
+
+2001-03-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
+       Remove ia32 linux PIC kludge and move it...
+       * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
+
+Mon Mar 19 18:53:54 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (absdf2 expander): Fix 64bit case.
+
+2001-03-19  Brad Lucier  <lucier@math.purdue.edu>
+
+       * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
+
+2001-03-16  Andrew Haley  <aph@cambridge.redhat.com>
+
+       * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
+
+2001-03-19  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * README.X11: Remove obsolete file.
+
+2001-03-18  Anthony Green  <green@redhat.com>
+
+       * config/pj/pj.h: Remove some trailing commas.
+       (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
+
+2001-03-18  Richard Henderson  <rth@redhat.com>
+
+       * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
+       * calls.c: ... here.
+       * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
+       defaults for them here.
+
+2001-03-17  Anthony Green  <green@redhat.com>
+
+       * config/pj/lib1funcs.S: Fix broken comment.
+       * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
+       labels with '.'.
+
+2001-03-18  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gcc.texi: Remove obsolete information relating to build and
+       installation problems with enquire or the Pyramid C compiler.
+
+2001-03-17  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (queue_reg_save): New.
+       (flush_queued_reg_saves, clobbers_queued_reg_save): New.
+       (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
+       dwarf2out_reg_save.
+       (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
+       (cfa, cfa_store, cfa_temp): Make static.
+       * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
+
+2001-03-17  Richard Henderson  <rth@redhat.com>
+
+       * integrate.h (struct inline_remap): Add local_return_label.
+       * integrate.c (expand_inline_function): Initialize it and emit
+       it after copy_insn_notes.
+       (copy_insn_list): Don't store local_return_label here.
+       (copy_insn_notes): New function split out from copy_insn_list.
+
+2001-03-17  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (lookup_filename): Emit .file if the assembler
+       is generating .debug_line.
+       (dwarf2out_init): Add main_input_filename to the file table first.
+       * configure.in (as_dwarf2_debug_line): Test with file number 1
+       instead of file number 0.
+
+Sat Mar 17 11:52:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * combine.c (undobuf): Remove field previous_undos; all refs deleted.
+       (gen_rtx_combine): Deleted; all references changed as appropriate.
+       (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
+
+       * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
+
+2001-03-17  David Billinghurst  <David.Billinghurst@riotinto.com>
+
+       * config/i386/xm-cygwin.h: Include <sys/cygwin.h.  Remove unused
+       variable.
+
+2001-03-16  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
+       then set it to LOC_REG (79) instead of aborting.
+
+2001-03-16  Phil Edwards  <pme@sources.redhat.com>
+
+       * gccbug.in:  Remove high priority.
+
+2001-03-16  Richard Henerson  <rth@redhat.com>
+
+       * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
+       output with a space instead of deleting it.
+       * configure: Regenerate.
+
+2001-03-16  Zack Weinberg  <zackw@stanford.edu>
+
+       * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
+       handles the gory details of converting an object file into
+       something that's safe to grep.
+       (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
+       gcc_AC_C_COMPILE_ENDIAN.  Use gcc_AC_EXAMINE_OBJECT.  Put
+       newlines at either end of the string we're looking for.
+       Make 'checking ...' message less stilted.
+       (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT.  Handle
+       ARM in-memory layout and its hypothetical converse.  Don't
+       define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
+       HOST_WORDS_BIG_ENDIAN.
+
+       * configure.in: Adjust for renamed macro.  Move
+       gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
+       * configure, config.in: Regenerate.
+
+2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
+
+       * fixinc/Makefile.in: Set SHELL.
+
+2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
+
+       * fixinc/fixincl.c (fix_with_system): Quote file names before
+       passing them to shell.
+
+2001-03-16  Laurynas Biveinis  <lauras@softhome.net>
+
+       * Makefile.in: Use fix-header$(build_exeext) instead
+       of fix-header.
+
+2001-03-16  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
+       (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
+       (size_of_line_prolog): Remove.
+       (output_line_info): Compute prologue size via label difference.
+       (lookup_filename): Return "unspecified" for <internal> and <built-in>.
+
+       * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
+       assembler error when redefining file numbers.
+       * config.in, configure: Rebuild.
+
+       * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
+       (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
+       (dw2_asm_output_delta_uleb128): Likewise.
+       (dw2_asm_output_delta_sleb128): Similarly.
+       (dw2_asm_output_data_sleb128): Similarly.  Print number in decimal.
+
+2001-03-16  Michael Meissner  <meissner@redhat.com>
+
+       * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
+       warnings.
+       (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
+       warnings.
+       (BITMASK_LOWER16): Replacement for 0x0000ffff.
+
+       * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
+       instead of 0xffff0000/0x0000ffff to avoid warnings about constants
+       being unsigned in ISO C and signed in traditional.
+       (expand_prologue): Ditto.
+       (RA_MASK): Use BITMASK_HIGH to avoid warnings.
+
+       * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
+       warnings.
+       (divsi3,divdi3): Ditto.
+       (modsi3,moddi3): Ditto.
+       (fix_truncdfsi2,fix_truncdfdi2): Ditto.
+       (fix_truncsfsi2,fix_truncsfdi2): Ditto.
+       (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
+       warnings.
+
+Fri Mar 16 14:47:57 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
+       SSE based conditional moves on LTGT/UNEQ conditions;
+       Canonicalize EQ to NE.
+       * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
+       (sse_mov?fcc_ne): New.
+
+       * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
+
+2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
+       register may be dead.
+
+2001-03-16  Brad Lucier  <lucier@math.purdue.edu>
+
+       * Makefile.in (hash.o): Depend on CONFIG_H.
+
+2001-03-15  Mark Mitchell  <mark@codesourcery.com>
+
+       * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
+
+2001-03-15  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
+       (ASM_OUTPUT_DWARF_PCREL): New.
+       * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
+
+2001-03-16  Alexandre Oliva  <aoliva@redhat.com>
+
+       * cppfiles.c (stack_include_file): Use MAX of sysp.
+
+2001-03-15  Steve Ellcey  <sje@cup.hp.com>
+
+       * config.gcc (ia64*-*-hpux*): New case.
+       * config/ia64/hpux.h: New file for HP-UX support.
+       * config/ia64/t-hpux: New file for HP-UX support.
+
+2001-03-16  Bruce Korb  <bkorb@gnu.org>, Alexandre Oliva  <aoliva@redhat.com>
+
+       * fixinc/inclhack.def (irix_stdio_va_list): New.
+       * fixinc/fixincl.x: Rebuilt.
+
+2001-03-15  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
+       if provided by the target.
+       (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
+       (dw2_asm_output_addr): New.
+       * dwarf2asm.h (dw2_asm_output_addr): Declare.
+       * dwarf2out.c (output_cfi): Use it for program addresses.
+       (output_call_frame_info, output_die): Likewise.
+       (output_aranges, output_line_info): Likewise.
+
+2001-03-15  Bruce Korb  <bkorb@gnu.org>
+
+       * gcc.c(main): make more rigorous
+       * collect2.c(main): guard against ignoring SIGCHLD
+       * protoize.c(main): ditto
+       * gcc/fixinc/fixincl.c(initialize): ditto
+
+2001-03-15  Mark Mitchell  <mark@codesourcery.com>
+
+       * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
+       (sdbout_parms): Likewise.
+
+Thu Mar 15 12:57:14 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
+       "widen" a destination that is already wider than a word.  Also do
+       not widen if LOAD_EXTEND_OP is NIL for the given mode.
+
+2001-03-15  Bernd Schmidt  <bernds@redhat.com>
+
+       * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
+
+Thu Mar 15 11:30:31 EST 2001  John Wehle  (john@feith.com)
+
+       * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
+
+Thu Mar 15 11:24:29 EST 2001  John Wehle  (john@feith.com)
+
+       * i960.h (i960_maxbitalignment,
+       i960_last_maxbitalignment): Declare.
+       * i960.c (i960_maxbitalignment,
+       i960_last_maxbitalignment): Make global.
+       (process_pragma): Delete.
+       (i960_pr_align, i960_pr_noalign): Move from here ...
+       * i960-c.c: ... to this new file.
+       * t-960bare (i960-c.o): New rule.
+       * t-vxworks960 (i960-c.o): Likewise.
+       * config.gcc (i960-*-*): Define c_target_objs and
+       cxx_target_objs.
+
+2001-03-15  Bernd Schmidt  <bernds@redhat.com>
+
+       * cselib.c (hash_rtx): For REG and MEM, just use value of expression
+       without adding in rtx code and mode.
+
+       * alias.c (init_alias_analysis): Don't use any rtx whose value
+       varies as a known value.
+       Delete a superfluous test.
+
+       * config/ia64/ia64.c (maybe_rotate): New function, broken out of
+       ia64_sched_reorder.
+       (ia64_sched_reorder): Call maybe_rotate; also rotate after
+       scheduling a stop bit.
+       (ia64_emit_nops): Correctly handle ASMs.
+
+2001-03-15  Mark Mitchell  <mark@codesourcery.com>
+
+       * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
+
+2001-03-15  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update documentation for -include and -imacros.
+       * cppfiles.c (struct include_file): Remove "defined" memeber.
+       (find_or_create_entry): Make a copy of the file name, and
+       simplify it.
+       (open_file): Update to ensure we use the simplified filename.
+       (stack_include_file): Don't set search_from.
+       (cpp_included): Don't simplify the path name here.
+       (find_include_file): New prototype.  Call search_from to
+       get the start of the "" include chain.  Don't simplify the
+       filenames here.
+       (_cpp_execute_include): New prototype.  Move diagnostics to
+       do_include_common.  Update.
+       (_cpp_pop_file_buffer): Don't set defined.
+       (search_from): New prototype.  Use the preprocessor's cwd
+       for files included from the command line.
+       (read_name_map): Don't simplify the pathname here.
+       * cpphash.h (enum include_type): New.
+       (struct buffer): Delete search from.  New search_cached.
+       (_cpp_execute_include): Update prototype.
+       * cppinit.c (do_includes): Use _cpp_execute_include.
+       * cpplib.c (do_include_common): New function.
+       (do_include, do_include_next, do_import): Use it.
+
+2001-03-14  Mark Mitchell  <mark@codesourcery.com>
+
+       * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
+       contents of the RTL, to determine the name of the object.
+
+2001-03-14  Mark Mitchell  <mark@codesourcery.com>
+
+       * tree.h (DECL_RTL): Allocate RTL lazily.
+       (SET_DECL_RTL): New macro.
+       (DECL_RTL_SET_P): Likewise.
+       (COPY_DECL_RTL): Likewise.
+       (DECL_RTL_IF_SET): Likewise.
+       * varasm.c (make_decl_rtl): Add assertions about the kind of
+       declaration we are processing.
+       * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
+       (start_decl): Likewise.
+       (finish_decl): Likewise.
+       * c-semantics.c (emit_local_var): Likewise.
+       * calls.c (expand_call): Likewise.
+       * dbxout.c (dbxout_symbol): Likewise.
+       * emit-rtl.c (unshare_all_rtl): Likewise.
+       (unshare_all_decls): Likewise.
+       (reset_used_decls): Likewise.
+       * expr.c (store_constructor): Likewise.
+       (safe_from_p): Likewise.
+       (expand_expr): Likewise.
+       * function.c (put_var_into_stack): Likewise.
+       (instantiate_decls_1): Likewise.
+       (assign_parms): Likewise.
+       (expand_function_start): Likewise.
+       (expand_function_end): Likewise.
+       * ggc-common.c (gcc_mark_trees): Likewise.
+       * integrate.c (function_cannot_inline_p): Likewise.
+       (copy_decl_for_inlining): Likewise.
+       (expand_inline_function): Likewise.
+       (integrate_parm_decls): Likewise.
+       (integrate_decl_tree): Likewise.
+       * print-tree.c (print_node): Likewise.
+       * reg-stack.c (stack_result): Likewise.
+       * stmt.c (label_rtx): Likewise.
+       (expand_return): Likewise.
+       (expand_decl): Likewise.
+       (expand_decl_cleanup): Likewise.
+       (expand_anon_union_decl): Likewise.
+       * toplev.c (check_global_declarations): Likewise.
+       (rest_of_decl_compilation): Likewise.
+       * tree.c (simple_cst_equal): Likewise.
+       * objc/objc-act.c (generate_static_references): Likewise.
+
+2001-03-14  Zack Weinberg  <zackw@stanford.edu>
+
+       * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
+       gcc_AC_C_FLOAT_FORMAT): New macros.
+       * configure.in: Add AC_PROG_CPP after CC tests;
+       gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
+       tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
+       * configure, config.in: Regenerate.
+
+       * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
+       config/arm/xm-arm.h, config/c4x/xm-c4x.h,
+       config/convex/xm-convex.h, config/d30v/xm-d30v.h,
+       config/i370/xm-linux.h, config/i370/xm-oe.h,
+       config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
+       config/m68k/xm-m68k.h, config/mips/xm-mips.h,
+       config/pa/xm-linux.h, config/pa/xm-pa.h,
+       config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
+       config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
+       config/sparc/xm-sparc.h, config/vax/xm-vax.h,
+       config/we32k/xm-we32k.h: Delete.
+
+       * config/i370/xm-mvs.h, config/m88k/m88k.h,
+       config/romp/xm-romp.h, config/rs6000/xm-beos.h,
+       config/vax/xm-vms.h: Don't define any of:
+       HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
+
+       * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
+
+       * config.gcc: Remove references to deleted files.
+       (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
+       FATAL_EXIT_CODE, which is the same between oe and mvs).
+
+2001-03-14  DJ Delorie  <dj@redhat.com>
+           Vladimir Makarov  <vmakarov@redhat.com>
+
+       * config/i960/i960.c (i960_function_prologue): Compute size of
+       frame according to number of registers actually saved there.
+
+2001-03-14  Richard Henderson  <rth@redhat.com>
+
+       * expr.c (emit_move_insn_1): Fix else if around #endif.
+
+Wed Mar 14 22:39:12 CET 2001  Jan Hubicka  <jh@suse.cz>
+                             Vojtech Pavlik
+
+       * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
+       constraints.
+
+Wed Mar 14 22:26:10 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
+       (override_options): Parse cmodel string.
+       (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
+       * i386.h (TARGET_OPTIONS): Add "cmodel".
+       (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
+       (enum cmodel): New.
+       (ix86_cmodel_string, ix86_cmodel): Declare.
+
+Wed Mar 14 22:26:54 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       Spot by Matt Kraai:
+       * i386.h (GENERAL_REG_P): Add missing REG_P.
+
+2001-03-14  Laurynas Biveinis  <lauras@softhome.net>
+
+       * configure.in: Use $gcc_cv_as instead of $as.
+       * configure: Regenerated.
+
+2001-03-14  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (stack_include_file): Only increase the include
+       count if we actually process the file properly, as opposed
+       to treating it as length zero.  Only call read_include_file
+       if not DO_NOT_REREAD.  Handle the -H include file output
+       here.
+       (read_include_file): Remove now redundant DO_NOT_REREAD check.
+       (cpp_included, find_include_file): Simplify pathnames after
+       remapping them.  If remapping, don't use the remapped file
+       name's buffer as our scratch buffer.
+       (cpp_pop_file_buffer): Replace the multiple include macro
+       only if it isn't yet set.
+       (read_name_map): Simplify remapped names when reading in.
+       (remap_filename): Move code to code path that uses it.
+       (_cpp_simplify_pathname): Return the input pointer.
+       * cpphash.h (_cpp_simplify_pathname): Update prototype.
+
+2001-03-14  Mark Mitchell  <mark@codesourcery.com>
+
+       * expr.c (expand_expr): Revove bogus conditional.
+
+Wed Mar 14 19:29:50 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
+
+2001-03-14  Jakub Jelinek  <jakub@redhat.com>
+
+       * reg-stack.c (stack_result): Unconditionally use
+       FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
+
+Wed Mar 14 16:36:25 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * expr.c (emit_move_insn_1):  Split push of complex value when
+       no suitable push instruction exist.
+
+       * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
+       instead of QI_REG_P.
+
+Tue Mar 13 22:22:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * alias.c (handled_component_p, can_address_p): New functions.
+       (get_alias_set): Use them.
+
+2001-03-13  Jim Wilson  <wilson@redhat.com>
+
+       * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
+       from 80 in try_locals code.
+       (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
+
+2001-03-13  Zack Weinberg  <zackw@stanford.edu>
+
+       * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
+       gcc_AC_C_LONG_LONG): New.
+       * configure.in: Use them.  Probe the size of short, int, long,
+       and long long/__int64 if we have them.  Move all the AC_C_*
+       checks together, except gcc_AC_C_CHAR_BIT which has to go
+       after AC_CHECK_HEADERS(limits.h).
+       Take hwint.h out of host_xm_file and build_xm_file.
+
+       * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
+       HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
+       and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
+       Move the HOST_WIDEST_INT setup logic here from system.h.
+       Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
+       defined.
+       * system.h: Include hwint.h after limits.h.  HOST_WIDEST_INT
+       is now handled by hwint.h.
+
+       * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
+       config/c4x/xm-c4x.h, config/i370/xm-oe.h,
+       config/ia64/xm-ia64.h: Don't define any of:
+       HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
+       HOST_BITS_PER_LONGLONG.
+
+       * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
+       config/h8300/xm-h8300.h, config/mips/iris6.h,
+       config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
+       config/sparc/xm-sp64.h: Delete.
+       * config.gcc: Remove references to deleted files.
+
+       * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
+       HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
+       * config/i370/xm-linux.h: Clarify floating-point situation in
+       a comment.
+
+2001-03-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (NO_INCLUDE_PATH): New macro.
+       (find_include_file): Decide here which part of the include
+       chain to start the search.  Complain about an empty include
+       chain in all cases apart from an abolsute file name.
+       (_cpp_execute_include): Don't choose the search chain here.
+       Don't call handle_missing_include in the case of an empty
+       include chain.
+       (_cpp_compare_file_date): Don't choose the search chain here.
+       * cpplib.c (do_include_next): Move the in-main-file diagnostic
+       here from _cpp_execute_include.  Behave like #include if
+       we're in the main file.
+
+2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * system.h (malloc, realloc, calloc, strdup): Only poison these
+       tokens when IN_GCC is defined.
+
+Tue Mar 13 14:38:44 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (abs?f expander): Support SSE case.
+       (abd?f_if): Add new "USE"; add splitters.
+
+2001-03-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cpp.texi (poison): Explain the macro expansion exception.
+
+2001-03-13  Jakub Jelinek  <jakub@redhat.com>
+
+       * expr.c (store_expr): Add dont_store_target.  If temp is already in
+       target before copying to reg, don't store it into target again.
+
+2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinternals.texi: Update for file handling.
+
+2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
+       2001-02-24 which broke building the Java library.
+       * function.c (identify_blocks): Likewise.
+       (all_blocks): Likewise.
+       * integrate.c (integrate_decl_tree): Likewise.
+       * print-tree.c (print_node): Likewise.
+       * tree.h (BLOCK_NUMBER): Likewise.
+       (struct tree_block): Likewise.
+
+2001-03-12  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
+       __WCHAR_TYPE__ definition.
+       (WCHAR_TYPE_SIZE): #undef before #define.
+
+2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c: Update comments.
+       (destroy_include_file_node): Rename destroy_node.
+       (find_or_create_entry): New function.
+       (open_file, _cpp_fake_include): Use it.
+       (handle_missing_header): New function, broken out of
+       _cpp_execute include.  Don't segfault if there is no
+       system or quoted path.
+       (_cpp_execute_include): Use handle_missing_header.
+
+2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
+       2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
+
+Mon Mar 12 14:05:32 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * flow.c (insn_dead_p): Don't consider two memrefs equivalent
+       unless anti_dependence says they are.
+       * alias.c (objects_must_conflict): If neither has a type specified,
+       they must conflict.
+
+2001-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+           David Billinghurst <David.Billinghurst@riotinto.com>
+
+       * config/mips/iris5.h:  Change WCHAR_TYPE to int.
+
+Mon Mar 12 16:32:21 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (trunctfdf2_2): Rename missnamed pattern.
+       (*_one_bit): Remove type on the match_operand in attributes.
+
+Mon Mar 12 16:27:56 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c: Commit forgotten hunk in previous patch.
+       (regclass_map): Add extended registers.
+       (dbx_register_map): Add missing frame register.
+
+Mon Mar 12 15:41:08 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
+
+       * i386.md (x86_sahf_1): Disable for 64bit.
+       (popsi*, pophi*): Likewise.
+       (pushqi, pushhi): Likewise.
+       (movdi, pushdi): Likewise.
+       (zero extend DImode splitter): Likewise.
+       (adddi, minusdi splitter): Likewise.
+       (umulsidi): Likewise.
+       (umulsi): New.
+       (mulsidi): Disable for 64bit
+       (lshift:DI/ashift:DI): Disable for 64bit.
+       (loop patterns): Likewise.
+       (call_pop, call_value_pop expanders and patterns): Likewise.
+       (prologue_get_pc): Likewise.
+       (leave): Likewise.
+       (fcmovDI pattern and splitter): Likewise.
+       (movdfcc_1_rex64): New.
+
+Mon Mar 12 15:16:36 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
+       (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
+       (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
+       (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
+       (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
+       (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
+       (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
+       (PUSH_ROUNDING): x86_64 rounds to 64bits.
+       (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
+       (REGPARM_MAX): Set to 6 for x86_64.
+       (SSE_REGPARM_MAX): Set to 16 for x86_64.
+       * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
+       registers.
+
+       * (patterns that does use upper halves): Update constraints
+       'q' to 'Q' and 'r' to 'R'.
+       (cmpqi_ext_1): Disable for 64bit.
+       (cmpqi_ext_3_insn): Likewise.
+       (movqi_extzv_1): Likewsie.
+       (addqi_ext_1): Liekwsie
+       (testqi_ext_1): Liekwsie
+       (andqi_ext_1): Liekwsie
+       (xorqi_ext_1): Liekwsie
+       (cmpqi_ext_1_rex64): New.
+       (cmpqi_ext_3_insn_rex64): Likewise.
+       (movqi_extzv_1_rex64): Likewsie.
+       (addqi_ext_1_rex64): Liekwsie
+       (testqi_ext_1_rex64): Liekwsie
+       (andqi_ext_1_rex64): Liekwsie
+       (xorqi_ext_1_rex64): Liekwsie
+
+2001-03-11  Zack Weinberg  <zackw@stanford.edu>
+
+       * configure.in: Move check for unsigned enumerated bitfields
+       to macro in aclocal.m4.  Disable it for now.
+       * configure, config.in: Regenerate.
+       * system.h: Don't do anything with ONLY_INT_FIELDS.  Use the
+       unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
+       * varasm.c (struct rtx_const): Use ENUM_BITFIELD().  Move enum
+       kind above its first use.
+
+       * config/xm-interix.h, config/alpha/xm-alpha.h,
+       config/i370/xm-linux.h, config/i386/xm-beos.h,
+       config/i386/xm-mingw32.h, config/mips/xm-mips.h,
+       config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
+       config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
+       Don't define ONLY_INT_FIELDS under any circumstances.
+
+       * config/pa/xm-pa.h: Don't define __BSD_NET2__.
+
+       * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
+       config/sparc/xm-sysv4.h: Delete - now identical with some
+       other xm header.
+       * config.gcc (hppa targets): Replace xm-pahpux.h and
+       xm-papro.h with implicit xm-pa.h.
+       (sparc targets): Replace xm-sysv4.h with implicit or explicit
+       xm-sparc.h.
+
+2001-03-12  Aldy Hernandez  <aldyh@redhat.com>
+
+       * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
+       before reload_cse_noop_set_p.
+
+2001-03-11  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc: Where xm-host.h used to include another
+       xm-host.h, list the nested header directly in xm_file.  Remove
+       references to deleted files.  Can now use sparc/xm-sp64.h for
+       sparcv9-*-solaris*.
+
+       * config/xm-linux.h, config/arm/xm-linux.h,
+       config/i386/xm-dos.h, config/i386/xm-gnu.h,
+       config/i386/xm-linux.h, config/i386/xm-openbsd.h,
+       config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
+       config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
+       config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
+       Delete.
+
+       * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
+       * config/mips/xm-iris5.h: Don't include mips/xm-mips.h.  Don't
+       bother to wrap #undef in #ifdef.
+       * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
+       Don't include xm-linux.h.
+       * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
+
+       * configure.in: Wrap regexps using [] in changequote block.
+       Use expr : not echo | grep.  Simplify regexps.
+       * configure: Regenerate.
+
+       56 xm-files remain, 22 xm-arch.
+
+2001-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
+       (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
+       (local_index, local_rindex): Delete, use strchr/strrchr instead.
+       (copy_object): Fix format specifier vs argument mismatch.
+
+       * mips-tdump.c: Make local functions static.
+       (rindex): Don't #undef.
+       (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
+       (fatal, fancy_abort): Delete.
+       (read_seek): Avoid signed/unsigned compare.
+
+Sun Mar 11 17:01:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * combine.c (try_combine): Fix error in change to try original
+       register.
+       (gen_rtx_combine): Do same as gen_rtx for now.
+
+2001-03-11  Zack Weinberg  <zackw@stanford.edu>
+
+       * configure.in: AC_SUBST xm_defines.
+       * configure: Regenerate.
+       * Makefile.in: Set DEFINES=$(xm_defines) when building
+       tconfig.h.
+
+2001-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
+       (cpp_included, find_include_file): Update.
+       (_cpp_compare_file_date): Make else unconditional.
+
+2001-03-10  kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+       * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
+
+2001-03-10  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
+
+       * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
+       * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
+
+Sat Mar 10 22:42:05 2001  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
+       if it's a record type.
+
+Sat Mar 10 17:52:54 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h: Make ../w32api a system directory.  Reorganize
+       mingw includes slightly.
+
+2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
+       #undef token before poisoning it.
+
+2001-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * alpha.c (check_float_value): Use memcpy, not bcopy.
+
+       * m32r.c (m32r_sched_reorder): Likewise.
+
+       * vax.c (check_float_value): Likewise.
+
+2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * toplev.c (file_name_nondirectory): Remove.
+       * toplev.h: Similarly.
+       * dwarf2out.c (compute_section_prefix): Use lbasename instead
+       of file_name_nondirectory.
+
+Sat Mar 10 10:36:45 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * mips-tdump.c (read_seek): Call xmalloc, not malloc.
+       * mips-tfile.c: Don't #undef rindex; not used.
+
+Sat Mar 10 14:34:59 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
+       (dbx64_register_map): Declare.
+       (RETURN_ADDR_RTX): Fix for 64bit.
+       (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
+       (INCOMING_FRAME_SP_OFFSET): Set to 8.
+       * i386.c (dbx64_register_map): New global array.
+       * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
+       linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
+       for 64bits.
+
+2001-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (search_from): Use lbasename.
+       * mkdeps.c (deps_add_default_target): Use lbasename.
+
+2001-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
+       xcalloc in lieu of malloc, realloc & calloc.
+
+       * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
+
+       * gengenrtl.c (xmalloc): Likewise.
+
+       * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
+       really_call_* memory allocation routines.
+
+       * stmt.c (check_for_full_enumeration_handling): Use
+       really_call_calloc, not calloc.
+
+       * system.h (really_call_malloc, really_call_calloc,
+       really_call_realloc): Define.
+       (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
+
+Fri Mar  9 18:39:19 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
+
+2001-03-09  Nicola Pero <n.pero@mi.flashnet.it>
+
+       * configure: Rebuilt.
+       * configure.in: Only use `lang_requires' for languages athat are
+       actually enabled.
+
+2001-03-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * invoke.texi: Fix typo.
+       * gcc.1: Regenerate.
+
+2001-03-09  Zack Weinberg  <zackw@stanford.edu>
+
+       * configure.in: Prune nonexistent files from build_xm_file,
+       xm_file, and host_xm_file lists.  Warn unless they're
+       $cpu/xm-$cpu.h.
+       Don't generate *config.h here.
+       AC_SUBST all variables needed to generate *config.h.
+       * configure: Regenerate.
+       * mkconfig.sh: New helper script, from code removed from
+       configure.in.
+       * Makefile.in: Zap all MALLOC variables - no longer used
+       anywhere, and malloc.c doesn't exist.
+       Substitute in variables needed to generate *config.h.
+       Stop lying about the dependencies contained in CONFIG_H and
+       GCONFIG_H.
+       (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
+       (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
+       cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
+       (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
+       $(TM_P_H), etc. as appropriate.
+
+       * config.gcc: Zap references to deleted files.
+       * ggc-none.c: Don't include rtl.h or tm_p.h.
+
+       * config/i386/xm-beos.h, config/i386/xm-dgux.h,
+       config/i386/xm-djgpp.h, config/i386/xm-dos.h,
+       config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
+       config/i386/xm-linux.h, config/i386/xm-linux.h,
+       config/i386/xm-next.h, config/i386/xm-openbsd.h,
+       config/i386/xm-sun.h, config/i386/xm-sysv3.h:
+       Don't include i386/xm-i386.h.
+
+       * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
+       config/i386/xm-i386.h, config/i860/xm-i860.h,
+       config/i960/xm-i960.h, config/mcore/xm-mcore.h,
+       config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
+       config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
+       Delete (empty except comments, #includes of other deleted
+       files, and macros used nowhere).
+
+Fri Mar  9 20:05:27 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
+       independent on TARGET_FLAGS.
+
+Fri Mar  9 19:52:52 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
+
+       (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
+       extended ones.
+       (CONDITIONAL_REGISTER_USAGE): Set proper values according to
+       TARGET_64BIT.
+       (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
+       LAST_REX_SSE_REG): define.
+       (enum reg_class): Add 'LEGACY_REGS'
+       (REG_CLASS_CONTENTS): Likewise; add extended registers.
+       (SSE_REGNO_P): Recognize extended registers.
+       (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
+       (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
+       (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
+       REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
+       (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
+        REG_OK_FOR_STRREG_P): Remove.
+       (HI_REGISTER_NAMES): Add extended registers.
+       (ADDITIONAL_REGISTER_NAMES): Likewise.
+       (QI_REGISTER_NAMES): Add 8bit extended registers.
+       (DEBUG_REG): Support extended registers.
+       * i386.c (regclass_map): Add extended registers.
+       (dbx_register-map): Likewise.
+       (svr4_dbx_register_map): Likewise.
+       (print_reg): Support extended registers.
+       (print_operand): Support 64bit operands.
+
+Fri Mar  9 19:37:46 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
+       (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
+        FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
+        DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
+       (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
+        STACK_BOUNDARY): Set properly for 64bits.
+       (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
+       (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
+       (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
+       (MOVE_MAX): Set to 16.
+       (MOVE_MAX_PIECES): 8 for 64bit.
+       (Pmode): Set to SImode.
+
+Fri Mar  9 09:00:36 2001  Mike Stump  <mrs@wrs.com>
+
+       * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
+
+Fri Mar  9 17:38:08 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (mask_64bit): New constant.
+       (target_64bit): New macro.
+       (target_options): Add '64'/'32'
+       (target_default): Define.
+       * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
+       isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
+       unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
+
+Thu Mar  8 23:36:56 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
+
+Thu Mar  8 23:29:37 2001  John Wehle  (john@feith.com)
+
+       * rtlanal.c (rtx_varies_p): Check operand 0 of a
+       LO_SUM unless for_alias is set.
+
+2001-03-08  Stan Shebs  <shebs@apple.com>
+
+       * objc/objc-act.c: Fix old typos in comments, add comments for
+       various functions.
+       (hash_init): Fix file name in error message.
+       (hash_enter): Ditto.
+       (hash_add_attr): Ditto.
+       (continue_class): Ditto.
+
+2001-03-08  Bruce Korb  <bkorb@gnu.org>
+
+       gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
+       wait4() can receive the signal.
+
+Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
+       entities.
+       * fixinc/fixincl.x: Regenerate.
+
+Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
+       on Tru64 UNIX.
+       * fixinc/fixincl.x: Regenerate.
+
+2001-03-08  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (HAVE_AS_LEB128): New assembler check.
+       * configure, config.in: Rebuilt.
+
+Thu Mar  8 19:54:04 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
+       TFmode too.
+
+2001-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
+       references to the MAXPATHLEN macro.
+
+       * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
+       config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
+       the POSIX macro.
+
+       * config/i386/xm-gnu.h, config/xm-gnu.h,
+       config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
+       config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
+       config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
+       and/or unused files.
+
+       * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
+       doing so in various xm-*.h files.
+
+Thu Mar  8 06:32:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
+
+2001-03-08  Alexandre Oliva  <aoliva@redhat.com>
+
+       * configure.in (enable_shared): Support per-package shared-library
+       enabling.
+       * configure: Rebuilt.
+
+2001-03-07  David Edelsohn  <edelsohn@gnu.org>
+
+       * rs6000.md (cr logic): Add original POWER mnemonic alternative
+       for crnot.  Set operands[5] in splitter.
+
+2001-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * config/i370/xm-mvs.h, config/i370/xm-oe.h,
+       config/i386/xm-beos.h, config/i386/xm-mingw32.h,
+       config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
+       config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
+       config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
+       config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
+       config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
+       to the USG macro.
+
+       * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
+       config/i370/xm-i370.h, config/i386/xm-dgux.h,
+       config/i386/xm-sun.h, config/i386/xm-sysv3.h,
+       config/m68k/xm-tower.h, config/m68k/xm-aux.h,
+       config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
+       config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
+       config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
+       config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
+       config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
+       config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
+       Delete unused and/or empty files.
+
+       * config.gcc: Define USG in xm_defines as appropriate.  Define
+       POSIX in lieu of xm-svr4.h.  Delete all references to the SVR3
+       macro.  Remove deleted xm-* files from $xm_files variable.
+
+2001-03-07  Tom Tromey  <tromey@redhat.com>
+
+       * configure: Rebuilt.
+       * configure.in: Allow config-lang.in to set `lang_requires' to list
+       of other required languages.
+
+2001-03-07  Andrew MacLeod  <amacleod@redhat.com>
+
+       * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
+       after its emitted.
+       (output_prologue): Use xmalloc not oballoc.
+       (output_epilog): Free a29k_first_epilogue_insn when finished.
+       * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
+
+2001-03-07  Brad Lucier  <lucier@math.purdue.edu>
+
+       * builtins.c (expand_builtin_mathfn): Check
+       flag_unsafe_math_optimizations, not flag_fast_math.
+       (expand_builtin): Likewise
+       * combine.c (combine_simplify_rtx): Likewise.
+       (simplify_if_then_else): Likewise.
+       * cse.c (fold_rtx): Likewise.
+       * flags.h: Remove flag_fast_math.  Add
+       flag_unsafe_math_optimizations and flag_trapping_math.
+       * fold-const.c (negate_expr): Check
+       flag_unsafe_math_optimizations, not flag_fast_math.
+       (invert_truthvalue): Likewise.
+       (fold): Likewise.  Before associating operands, check that
+       code == MULT_EXPR, not code != MULT_EXPR.
+       * ifcvt.c (noce_try_minmax): Check
+       flag_unsafe_math_optimizations, not flag_fast_math.
+       (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
+       * invoke.texi: Document -funsafe-math-optimizations and
+       -fno-trapping-math.  Change documentation for -ffast-math.
+       * jump.c (reversed_comparison_code_parts): Likewise.
+       (rtx_equal_for_thread_p): Likewise.
+       * optabs.c (emit_conditional_move): Likewise.
+       * simplify-rtx.c (simplify_binary_operation): Likewise.
+       (simplify_relational_operation): Likewise.
+       (simplify_ternary_operation): Likewise.
+       * toplev.c: Remove flag_fast_math.  Add flag_trapping_math and
+       flag_unsafe_math_optimizations.  Remove fast-math entry from f_options.
+       Add trapping-math and unsafe-math-optimizations entries to f_options.
+       (set_fast_math_flags): New, sets flags for -ffast-math.
+       (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
+       (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
+       * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
+
+       * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
+       (alpha_emit_conditional_move): Initialize local_fast_math to
+       flag_unsafe_math_optimizations, not flat_fast_math.
+       * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
+       instead of setting flag_fast_math to 1.
+       * config/convex/convex.md: Check flag_unsafe_math_optimizations,
+       not flag_fast_math.
+       * config/i386/i386.c (override_options): Likewise
+       * config/i386/i386.md: Likewise.
+       * config/m68k/m68k.md: Likewise.
+       * config/mips/mips.md: Likewise.
+       * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
+       (rs6000_generate_compare): Likewise.
+
+2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
+
+       * Makefile.in: Set RANLIB to @RANLIB@.
+       Remove RANLIB_TEST.
+
+2001-03-07  Laurynas Biveinis  <lauras@softhome.net>
+
+       * fixinc/inclhack.def (djgpp_wchar_h): New test.
+       * fixinc/fixincl.x: Regenerated.
+
+2001-03-07  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
+
+2001-03-07  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
+       of block notes and exception handling notes.
+
+       * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
+       * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
+       (compile_file): ... here.
+
+2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
+
+       * fixinc/gnu-regex.c: Don't include auto-host.h since we get
+       config.h now.  Include libiberty.h to handle alloca.
+
+2001-03-06  Zack Weinberg  <zackw@stanford.edu>
+
+       * c-parse.in (yylexname): New function, split out of _yylex.
+       (objc_rid_sans_at): New table.
+       (init_reswords): Initialize it.
+       (_yylex): Give labels clearer names.  Handle CPP_ATSIGN by
+       retrieving the next token and checking it for significance as
+       an ObjC keyword or string constant.
+
+       * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
+       * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
+
+       * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
+       to CPP_OSTRING.
+
+2001-03-06  Stephen L Moshier  <moshier@mediaone.net>
+
+       * config/m68k/m68k.c (const_uint32_operand): Accept any
+       const_int on a 32-bit host.
+
+2001-03-06  Nicola Pero  <n.pero@mi.flashnet.it>
+
+       * objc/objc-act.c (init_objc): Set save_lang_status,
+       restore_lang_status, and mark_lang_status.
+
+2001-03-06  Krister Walfridsson  <cato@df.lth.se>
+
+       * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
+
+2001-03-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinternals.texi: Update.
+
+2001-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
+       config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
+       config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
+       config/convex/xm-convex.h, config/d30v/xm-d30v.h,
+       config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
+       config/h8300/xm-h8300.h, config/i370/xm-i370.h,
+       config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
+       config/i386/xm-i386.h, config/i860/xm-i860.h,
+       config/i960/xm-i960.h, config/ia64/xm-ia64.h,
+       config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
+       config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
+       config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
+       config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
+       config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
+       config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
+       config/romp/xm-romp.h, config/rs6000/xm-beos.h,
+       config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
+       config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+       config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
+       config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
+       config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
+       match the defaults provided in hwint.h.
+
+       * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
+       config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
+
+       * config.gcc (xm_file): Don't set to files which are deleted.
+
+       * hwint.h: Provide default values for HOST_BITS_PER_*.  No longer
+       guard this file against these macros being undefined.
+
+2001-03-06  Zack Weinberg  <zackw@stanford.edu>
+
+       * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
+       and DECL_DEFER_OUTPUT on the decl we create, before calling
+       rest_of_decl_compilation.
+
+2001-03-06  Zack Weinberg  <zackw@stanford.edu>
+
+       * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
+       AC_FUNC_ALLOCA.
+       * configure, config.in: Regenerate.
+       * config.gcc: Remove references to deleted files.
+
+       * genattr.c, genattrtab.c, genextract.c, genoutput.c,
+       genrecog.c, rtl.c: Do not use alloca anywhere.
+
+       * Makefile.in, build-make, system.h, config/x-interix,
+       config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
+       config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
+       config/arc/xm-arc.h, config/arm/xm-arm.h,
+       config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
+       config/h8300/xm-h8300.h, config/i370/x-oe,
+       config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
+       config/i386/x-ncr3000, config/i386/x-sco5,
+       config/i386/xm-dgux.h, config/i860/x-sysv4,
+       config/i960/xm-i960.h, config/m32r/xm-m32r.h,
+       config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
+       config/m68k/x-hp320g, config/m69k/x-mot3300,
+       config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
+       config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
+       config/m68k/xm-mot3300.h, config/m88k/x-dolph,
+       config/m88k/x-sysv4, config/m88k/x-tekXD88,
+       config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
+       config/mips/x-iris, config/mips/x-iris3,
+       config/mips/x-sni-svr4, config/mips/x-sysv,
+       config/mips/xm-iris6.h, config/mips/xm-mips.h,
+       config/mips/xm-nws3250v4.h, config/pa/x-hpux,
+       config/pa/x-pa-mpeix, config/pa/xm-pa.h,
+       config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
+       config/pa/xm-papro.h, config/romp/xm-romp.h,
+       config/rs6000/x-aix31, config/rs6000/x-aix41,
+       config/rs6000/x-beos, config/rs6000/x-lynx,
+       config/rs6000/x-mach, config/rs6000/x-rs6000,
+       config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
+       config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+       config/sparc/x-sysv4, config/sparc/xm-linux.h,
+       config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
+       config/vax/xm-vms.h: Eradicate all references to alloca and
+       related stuff.
+
+       * config/xm-alloca.h, config/clipper/x-clix,
+       config/i386/xm-sysv4.h, config/i860/x-fx2800,
+       config/i860/x-sysv3, config/m88k/x-sysv3,
+       config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
+       (contained only alloca related hacks).
+
+       * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
+       USE_C_ALLOCA.
+
+2001-03-05  Brad Lucier  <lucier@math.purdue.edu>
+
+       * invoke.texi: Document __FAST_MATH__.
+
+2001-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * crtstuff.c: Restore include of auto-host.h.
+
+2001-03-05  Fergus Henderson  <fjh@cs.mu.oz.au>
+
+       Put main() in a separate file, so that the language
+       front-end can use a different main().
+
+       * main.c: New.
+       * toplev.c: (main): Rename as toplev_main.
+       * toplev.h: Declare toplev_main.
+       * Makefile.in (OBJS): add toplev.o.
+         (BACKEND): remove toplev.o, add main.o.
+
+2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (search_from): Special case the empty string.
+
+2001-03-04  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
+       copy of the filename.  Don't use CPP_PREV_BUFFER.  Don't call
+       strlen or strcpy; we already know the length.
+       (_cpp_compare_file_date): Similarly.
+       * cpphash.h (struct cpp_reader): Delete done_initialising.
+       (CPP_PREV_BUFFER): Delete.
+       * cppinit.c (cpp_start_read): Don't set done_initialising.
+       * cpplex.c (parse_string): Guarantee null-termination.
+       (_cpp_equiv_toklists): Remove.
+       * cpplib.c (glue_header_name): Null-terminate.
+       (do_line): Don't leak memory.
+       * cpplib.h (BT_WEAK): Delete.
+       * cppmain.c (cb_ident): Strings are now null-terminated.
+
+2001-03-04  Laurynas Biveinis  <lauras@softhome.net>
+
+       * gcc.c (convert_filename): Append executable suffix
+       if NO_AUTO_EXE_SUFFIX is not defined.
+       * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
+       * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
+
+2001-03-03  David O'Brien  <obrien@FreeBSD.org>
+
+       from 2000-09-06  Zack Weinberg  <zack@wolery.cumb.org>
+       * c-parse.gperf, c-gperf.h: Delete.
+       (c-gperf.h was accidently re-added to the CVS repo in the rev
+       1.16 commit by tromey)
+
+2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplex.c (_cpp_lex_token): Don't warn about directives in
+       macro arguments when looking for the '('.
+       * cppmacro.c (funlike_invocation_p): Set parsing_args to
+       2 when really parsing arguments; 1 when looking for '('.
+       Always restore the lexer position.
+
+2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * longlong.h (umul_ppmm): Don't use a multiline string.
+
+2001-03-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
+       * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
+       t_bool in declaration because pcc can't combine volatile with typedef
+       types.
+
+Sat Mar  3 19:47:13 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
+       until when it is really needed.
+       (ix86_expand_compare): Update call of ix86_expand_fp_compare.
+       * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
+       * i386.md (float?i?f splitter): Don't force source operand to memory
+       for SSE.
+       (sse_movdfcc): Fix constraint.
+       (sse_movdfcc splitter): Handle properly the second alternative.
+
+2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplex.c (parse_string): Unconditionally pedwarn.
+
+2001-03-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update.
+       * cppexp.c (parse_number): Update.
+       * cpplex.c (parse_string): Pedwarn if multiline string does not
+       result from a system header's macro.
+       * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
+       * cppmacro.c (sys_objmacro_p): Rename sys_macro_p.  Return true
+       for function-like macros too.
+       * c-lex.c (lex_number): Update.
+
+2001-03-03  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (output_call_frame_info): Fix augmentation length.
+
+Sat Mar  3 04:17:17 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * combine.c (try_combine): If split with mode-changed scratch
+       register didn't work, try the original mode.
+
+Sat Mar  3 03:46:47 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
+       * config/c4x/c4x.h: Likewise.
+       * stor-layout.c (compute_record_mode): Likewise.
+       (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
+
+2001-03-02  Zack Weinberg  <zackw@stanford.edu>
+
+       * configure.in: Kill tm.h.  Include the files in the $tm_file
+       list in all three of config.h, hconfig.h, tconfig.h, after the
+       relevant set of xm_files.  Put TARGET_CPU_DEFAULT in all
+       three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
+       * configure: Regenerate.
+       * Makefile.in (clean): Don't delete tm.h.
+
+       * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
+       defined, set them from EXIT_SUCCESS and EXIT_FAILURE.  If
+       those are not defined, set SEC and FEC to 0 and 1.
+       * gcc.texi: Update to match.
+
+       * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
+       * config/fp-bit.c, config/m68k/aux-crt2.asm,
+       config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
+       Include tconfig.h, not tm.h.
+
+       * config/xm-lynx.h, config/xm-std32.h,
+       config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
+       config/alpha/xm-alpha.h, config/arc/xm-arc.h,
+       config/avr/xm-avr.h, config/c4x/xm-c4x.h,
+       config/clipper/xm-clix.h, config/convex/xm-convex.h,
+       config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
+       config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
+       config/h8300/xm-h8300.h, config/i370/xm-linux.h,
+       config/i386/xm-i386.h, config/i860/xm-i860.h,
+       config/i960/xm-i960.h, config/ia64/xm-ia64.h,
+       config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
+       config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
+       config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
+       config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
+       config/pa/xm-linux.h, config/pa/xm-pa.h,
+       config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
+       config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
+       config/pj/xm-pj.h, config/romp/xm-romp.h,
+       config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
+       config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+       config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
+       config/v850/xm-v850.h, config/vax/xm-vax.h,
+       config/we32k/xm-we32k.h:
+       Don't include tm.h.
+       Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
+
+       * config/i370/xm-i370.h, config/i370/xm-mvs.h,
+       config/i370/xm-oe.h: Don't include tm.h.  Don't define
+       SUCCESS_EXIT_CODE.
+       * config/vax/xm-vms.h: Don't include tm.h.
+
+       * config/xm-lynx.h, config/avr/xm-avr.h,
+       config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
+       Delete; made empty by above changes.
+       * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
+       config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
+       Don't include config/xm-lynx.h or tm.h.
+
+       * config/xm-gnu.h: Don't include fcntl.h.
+       * config/sparc/xm-lynx.h: Don't include sys/types.h and
+       sys/wait.h.
+       * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
+
+2001-03-02  Richard Henderson  <rth@redhat.com>
+
+       * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
+       UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
+
+2001-03-02  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (OBJS): Add dwarf2asm.o.
+       * dwarf2asm.c, dwarf2asm.h: New files.
+       * dwarf2out.c (*): Use them.
+       (size_of_uleb128, size_of_sleb128): Remove.
+       (output_uleb128, output_sleb128): Remove.
+       (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
+       (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
+       (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
+       (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
+       (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
+       (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
+       (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
+       (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
+       (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
+       (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
+       (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
+       (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
+       (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
+       (dwarf2out_frame_debug): Remove unused variables.
+       (output_loc_operands): Don't abort on 8 byte constants if
+       host integers are wide enough.
+       (output_symbolic_ref): Remove.
+       (size_of_die): Don't assume 4 byte host integers.
+       (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
+       and end labels.
+       (add_const_value_attribute) [CONST_INT]: Verify we're not doing
+       something stupid with HOST_WIDE_INT to long truncation.
+       [CONST_DOUBLE]: Likewise.
+
+       * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
+       (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
+       * config/arm/unknown-elf.h: Likewise.
+       * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
+       (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
+       (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
+       (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
+       (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
+       (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
+       (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
+       (ASM_OUTPUT_DWARF_OFFSET): Remove.
+       * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
+       * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
+       (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
+       (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
+
+2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * cselib.c (hash_rtx): Cast enums to unsigned int.
+
+2001-03-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * print-rtl.c (print_rtx): Cast enums to int for comparison.
+       * c-decl.c (grokdeclarator): Cast enums to int for comparison and
+       shifts.
+       * c-format.c (C_STD_VER): Cast to int for comparisons.
+       (check_function_format): Cast various enums to int for &.
+       (maybe_read_dollar_number): Likewise.
+       (check_format_info): Likewise.
+       (check_format_info_main): Likewise.
+       * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
+       (safe_from_p): Likewise.
+       * varasm.c (const_hash): Cast enum to int for %.
+       * emit-rtl.c (init_emit_once): Use int loop variable to work around
+       pcc enum problems with < and ++ operators.
+       * regclass.c (init_reg_sets_1): Cast enums for comparison.
+       (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
+       (regclass_init): Change enum class to int to iterate over reg_classes.
+       * genrecog.c (merge_trees): Cast enums for comparison.
+       * rtl.h (GET_CODE): Cast to enum rtx_code.
+       (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
+       (GET_MODE): Cast to enum machine_mode.
+       (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
+       (GET_NOTE_INSN_NAME): Cast enum to int.
+       * tree.h (TREE_CODE): Cast to enum tree_code.
+       (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
+       * timevar.c (timevar_print): Change loop variable id from enum to
+       unsigned int.
+       * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
+       * config/i386/i386.md: Use PUT_MODE for mode assignment.
+       * toplev.c (compile_file): Cast enum DFI to int.
+       (decode_d_option): Likewise.
+
+Fri Mar  2 12:18:13 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * cppinit.c (append_include_chain): Mark "after" include file name list
+       as a system directory.
+       * cpp.texi: Document new behavior.
+
+Fri Mar  2 11:59:43 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
+
+2001-03-02  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (struct include_file): Update.
+       (stack_include_file): Use search_from.
+       (cpp_included, find_include_file): Update.
+       (cpp_execute_include): Update.  ptr->name may not be
+       null terminated.  Use the new search_from member variable
+       of cpp_buffer.
+       (_cpp_compare_file_date): Similarly.
+       (search_from): New function, similar to actual_directory.
+       (actual_directory): Delete.
+       (remap_filename): Update.  loc->name may not be null terminated.
+       (struct file_name_list): Rename search_path.  Update.
+       * cpphash.h (struct cpp_buffer): Delete actual_dir.  New members
+       search_from and dir.
+       (struct cpp_reader): Remove actual_dirs.
+       * cppinit.c (struct cpp_pending): Update for renamed objects.
+       (append_include_chain, remove_dup_dir, remove_dup_dirs,
+       merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
+       * cpplib.h (struct cpp_options): Similarly.
+
+2001-03-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
+       config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
+       config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
+       config/clipper/xm-clix.h, config/convex/xm-convex.h,
+       config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
+       config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
+       config/h8300/xm-h8300.h, config/i370/xm-i370.h,
+       config/i370/xm-linux.h, config/i370/xm-mvs.h,
+       config/i370/xm-oe.h, config/i386/xm-aix.h,
+       config/i386/xm-i386.h, config/i386/xm-osf.h,
+       config/i860/xm-i860.h, config/i960/xm-i960.h,
+       config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
+       config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
+       config/mcore/xm-mcore.h, config/mips/xm-mips.h,
+       config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
+       config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
+       config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
+       config/pa/xm-pahpux.h, config/pa/xm-papro.h,
+       config/pj/xm-pj.h, config/romp/xm-romp.h,
+       config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
+       config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+       config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
+       config/v850/xm-v850.h, config/vax/xm-vax.h,
+       config/vax/xm-vms.h, config/we32k/xm-we32k.h:
+       Do not define TRUE or FALSE.
+
+       * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
+       empty by above change.
+       * config.gcc: Remove references to these files.
+
+       * configure.in: Detect stdbool.h.
+       * configure, config.in: Regenerate.
+       * system.h: Include stddef.h here if available.
+       Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
+       Then set up a sensible boolean type at the very end.
+
+       * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
+       config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
+
+       * hash.h: Delete 'boolean' typedef and related #undefs.
+
+       * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
+       all uses of 'boolean' with 'bool'.
+
+2001-03-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
+       * cppexp.c (lex): Cast enums for comparison.
+       * cppinit.c (parse_option): Cast enum for comparison.
+       * cpplex.c (cpp_spell_token): Cast enums to int for minus.
+       (cpp_output_token): Likewise.
+       (cpp_can_paste): Cast enums for comparsion and plus/minus.
+       (cpp_avoid_paste): Cast enums for minus and comparison.
+
+2001-03-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
+       field to all array elements.
+
+2001-03-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * cpphash.h (struct cpp_reader): Add print_version field.
+       * cppinit.c (cpp_handle_option): For -v, -version, and --version,
+       just set print_version and other flags as appropriate.
+       (cpp_post_options): Print version here if print_version is set.
+
+       * toplev.c (exit_after_options): New flag.
+       (independent_decode_option): Don't exit here; just set
+       exit_after_options.
+       (main): Exit after calling lang_hooks.post_options if
+       exit_after_options is true.
+
+       * cppinit.c (append_include_chain): Drop never-used case QUOTE.
+       (merge_include_chains): Adjust comment to match code.
+
+2001-03-01  Zack Weinberg  <zackw@stanford.edu>
+
+       * stringpool.c (set_identifier): New function.
+       * tree.h: Prototype it.
+
+       * c-parse.in: Kill D_YES. If compiled for objc, call
+       save_and_forget_protocol_qualifiers from init_reswords.
+       * objc/objc-act.c (remember_protocol_qualifiers,
+       forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
+       Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
+       vice versa.
+       (save_and_forget_protocol_qualifiers): New function.
+       * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
+
+2001-03-01  Diego Novillo  <dnovillo@redhat.com>
+
+       * c-semantics.c (prune_unused_decls): Return error_mark_node
+       instead of (tree) 1 to stop traversing the tree chain.
+
+2001-03-01  Bernd Schmidt  <bernds@redhat.com>
+
+       Fix a problem introduced by Kenner's Feb 18 change.
+       * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
+       flag_cse_skip_blocks only temporarily, not for ever.
+
+Thu Mar  1 09:49:58 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config/pa/som.h  (ASM_IDENTIFY_GCC): Define.
+       (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
+
+       * pa.c (emit_move_sequence): Verify operand0 is a hard register
+       before determining its register class.
+
+2001-03-01  Bernd Schmidt  <bernds@redhat.com>
+
+       * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
+       from reg 4 if current_function_calls_setjmp.
+       (gen_nop_type): New function.
+       (ia64_emit_nops): New function.
+       (ia64_reorg): Call it.
+       (ia64_sched_reorder): Move code that rotates bundles up a bit.
+
+       * reload1.c (eliminate_regs_in_insn): Restrict the special case
+       code not to try to optimize adds with anything but a REG destination.
+
+       * sched-int.h (struct haifa_insn_data): Add new member priority_known.
+       (INSN_PRIORITY_KNOWN): New accessor macro.
+       * haifa-sched.c (priority): Use it instead of testing priority against
+       zero.
+
+2001-02-28  DJ Delorie  <dj@redhat.com>
+
+       * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
+       since that doesn't work the way gcc wants on a generic m68k.
+
+2001-02-28  Richard Henderson  <rth@redhat.com>
+
+       * caller-save.c (save_call_clobbered_regs): Fix typo in
+       comparison last change.
+
+Wed Feb 28 19:31:42 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (pentium4_cost): New.
+       (m_PENT4): New macro.
+       (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
+       x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
+       x86_integer_DFmode_moves, x86_partial_reg_dependency,
+       x86_memory_mismatch_stall): Add Pentium4
+       (x86_use_q_reg, x86_use_any_reg): Kill.
+       (override_options): Add pentium4.
+       (incdec_operand): Return 0 for pentium4.
+       (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
+       * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
+       (TARGET_PENTIUM4): Define.
+       (enum processor_type): Add PROCESSOR_PENTIUM4.
+       (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
+       * i386.md (attribute "cpu"): Add pentium4.
+       * invoke.texi (march): Add pentium4.
+
+Wed Feb 28 19:28:06 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (sse_mov?fcc*): New patterns and splitters.
+       * i386.c (ix86_expand_movcc): Work post-reload; recognize
+       the SSE based conditional moves.
+
+Wed Feb 28 19:18:23 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (attribute mode): Add "TI".
+       (movsf_1): Add pxor support; remove constant propagation splitter.
+       (movdf_integer): Likewise.
+       (movdf_nointeger): Likewise.
+       (movxf constant prop splitter): Handle all modes; update for SSE.
+       * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
+       * i386.c (standard_80387_constant_p): Rewrite.
+       (standard_sse_constant_p): New.
+       * i386-protos.h (standard_sse_constant_p): New.
+
+Wed Feb 28 19:05:37 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (sse_setccsf, sse_setccdf): New.
+       (sse_cmp* patterns): Use '%D' instead of outputtting condition
+       flag directly.
+       * i386.c (sse_comparison_operator): Accept the supported unordered
+       comparses; be ready for fast_math.
+       (print_operand): Support 'D'.
+
+Wed Feb 28 18:54:51 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (reversed_comparison_code): Kill.
+
+Wed Feb 28 18:50:15 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
+       for STACK_REGS
+
+Wed Feb 28 18:47:37 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
+       add missing '%' in constraints.
+
+Wed Feb 28 17:24:24 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
+       for HOST_BITS_PER_WIDE_INT == 32 too.
+
+Wed Feb 28 17:22:35 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * caller-save.c (reg_save_code, reg_restore_code):  Index by mode, not
+       NREGS.
+       (insert_save, insert_restore): New parameter save_mode.
+       (init_caller_save): Update initialization of reg_save_code
+       and reg_restore_code.
+       (save_call_clobbered_regs):  Compute save_modes and update calls to
+       reg_save_code and reg_restore_code.
+       (insert_restore):  Unsignetize numbers; use save_modes to choose mode
+       of spill; update use of reg_restore_code.
+       (insert_save):  Likewise.
+       * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
+       * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
+       * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
+
+Wed Feb 28 17:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
+       noce_try_store_flag_inc, noce_try_store_flag_mask,
+       noce_try_cmove_arith):
+       Use reversed_comparison_code instead of reverse_comparison and
+       can_reverse_comparison_p.
+
+Wed Feb 28 17:17:29 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (reversed_comparison_code_parts): Allow reversal of
+       unordered compares in -ffast-math mode; reverse ordered compares
+       for FP even w/o -ffast-math.
+
+2001-02-27  Richard Henderson  <rth@redhat.com>
+
+       * print-rtl.c (print_rtx) [i]: Don't print field five on
+       NOTEs other than NOTE_INSN_DELETED_LABEL.
+
+2001-02-27  Zack Weinberg  <zackw@stanford.edu>
+
+       * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
+       * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
+
+2001-02-27  Diego Novillo  <dnovillo@redhat.com>
+
+       * c-common.c (walk_stmt_tree): Visit the chain of the current tree
+       even if walk_subtrees is 0.
+       * c-semantics.c (prune_unused_decls): Return a non-null value to
+       stop traversing the tree chain.
+
+2001-02-27  DJ Delorie  <dj@redhat.com>
+
+       * config/m68k/m68k.c (output_function_prologue): Save the new CFA
+       register, *then* define it as the new CFA.
+
+Tue Feb 27 16:49:13 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa.c (override_options): Promote -fpic to -fPIC.
+       (legitimize_pic_address): Simplify due to removal of
+       small PIC as a code generation option.
+       (secondary_reload_class): Similarly.
+       * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
+       (PRINT_OPERAND_ADDRESS): Similarly.
+       * pa.md (various patterns): Similarly.
+       (small pic lo_sum pattern): Remove.
+
+Tue Feb 27 16:01:13 CET 2001  Jan Hubicka  <jh@suse.cz>
+                             Fergus Henderson
+
+       * md.texi (min, max): Document
+
+Tue Feb 27 15:51:35 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movsf, movdf): Use movaps for reg-reg moves if
+       TARGET_PARTIAL_REG_DEPENDENCY.
+       (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
+
+Tue Feb 27 15:36:48 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (mins*, maxs*): New patterns, expanders and splitters.
+
+2001-02-26  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * mips.c (mips_make_temp_file): Fix thinko in last change.
+
+2001-02-26  Jason Eckhardt  <jle@redhat.com>
+
+       * combine.c (known_cond): Do not reverse the condition when
+       SMAX/UMAX is being considered and the condition is for equality
+       or inequality.
+
+       * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
+
+2001-02-26  Philip Blundell  <philb@gnu.org>
+
+       * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
+       "armv2-*-linux".
+       * config/arm/linux-elf.h: Remove historical relics related to
+       above configurations.
+       * config/arm/linux-oldld.h: Delete.
+       * config/arm/linux-elf26.h: Delete.
+
+2001-02-26  Jason Merrill  <jason@redhat.com>
+
+       * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
+       definitions.
+       * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
+       recognize a tentative definition.  Lose obsolete code.
+
+       * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
+       variables unless necessary, either.
+
+2001-02-25  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (struct noce_if_info): Add test_bb.
+       (noce_get_alt_condition): New.
+       (noce_try_minmax, noce_try_abs): New.
+       (noce_operand_ok): New.
+       (noce_process_if_block): Use them.
+       * rtlanal.c (may_trap_p): NEG and ABS can never trap.
+
+Sun Feb 25 14:26:17 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
+       include.
+
+2001-02-25  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
+       * config/mips/mips.c (mips_make_temp_file): Set temp_filename
+       properly.
+       (mips_asm_file_end): Free temp_filename here.
+
+Sun Feb 25 08:34:23 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
+       * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
+
+       * config/i386/i386.md (movstrsi): Handle FAIL case.
+
+2001-02-25  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (builtin_array): Update.
+       (init_builtins): Flag builtins to warn if redefined or
+       undefined.  Define __GXX_WEAK as a normal macro.
+       * cpplib.c (do_undef): Warn if flagged NODE_WARN.
+       * cpplib.h (NODE_WARN): New flag.
+       * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
+       Handle __STDC__ as a builtin only on Solaris.
+       (warn_of_redefinition): Renamed from check_macro_definition.
+       Reverse sense of test.  Always warn if NODE_WARN.
+       (_cpp_create_definition): Use warn_of_redefinition.  Flag
+       any macro beginning with "__STDC_" to require a mandatory
+       warning if redefined or undefined.
+
+2001-02-24  Zack Weinberg  <zackw@stanford.edu>
+
+       * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
+       i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
+       i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
+       i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
+       m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
+       mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
+       Don't define any of:
+       USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
+       P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
+       NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
+       index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
+       STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
+
+       * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
+       fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
+       definitions.
+
+       * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
+       Delete now-empty file.
+
+       * alpha/vms.h: Define NEED_ATEXIT here...
+       * alpha/xm-vms.h: ...not here.
+
+       * i386/cygwin.h: Don't define PARAMS.
+       * mips/mips.c: Don't prototype mktemp.  Don't define
+       P_tmpdir.  Use make_temp_file to create temporary files.
+       Don't be clever and delete temporary files early.
+       * config.gcc: Drop references to deleted files.  Don't define
+       FULL_PROTOTYPES.
+       * gcc.texi: Don't mention USE_PROTOTYPES.
+
+Sat Feb 24 20:25:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
+       (ix86_set_move_mem_attrs_1): Likewise.
+       * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
+       * config/i386/i386.md (movstrsi): Call it.
+
+2001-02-24  Zack Weinberg  <zackw@stanford.edu>
+
+       * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
+       x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
+       ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
+       rs6000/x-aix41-gld.  These are nonexistent, empty, or obsolete.
+
+       (i750a-*-*): Error here if hosting on i750a.
+       (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
+
+       * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
+       Remove (empty modulo comments).
+
+       * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
+       alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
+       i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
+       i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
+       mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
+       rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
+
+       * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
+       Remove reference to winnt.h in comment.
+       * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
+
+2001-02-24  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * loop.c (check_dbra_loop): A biv has uses besides counting if it is
+       used to set another biv.
+
+Sat Feb 24 06:45:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.h (BLOCK_DEAD): New macro.
+       (struct tree_block): New flag, dead_flag.
+       * print-tree.c (print_node, case 'b'): Print missing fields.
+       * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
+       * function.c (identify_blocks): Enable test for misplaced notes.
+       (all_blocks): Skip BLOCK_DEAD blocks.
+       * integrate.c (integrate_decl_tree): Likewise.
+
+       * errors.c (internal_error, trim_filename): New functions.
+       (fancy_abort): Call internal_error.
+       * errors.h (internal_error, trim_filename): New declarations.
+
+2001-02-24  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
+       2000-08-26's patch.
+       (EXTRA_CONSTRAINT): Formatting changes.
+
+2001-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * rtl.c (rtl_check_failed_code2): Fix typo in last change.
+
+2001-02-23  Per Bothner  <per@bothner.com>
+
+       * gcc.c (record_temp_file, pfatal_with_name, error):  Make non-static,
+       so they can be called from java/jvspec.c.
+       * gcc.h (record_temp_file, pfatal_with_name, error):  Declare.
+
+Sat Feb 24 03:32:50 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_frame): New structure.
+       (ix86_compute_frame_size): Kill.
+       (ix86_compute_frame_layout): New.
+       (ix86_save_reg): New.
+       (ix86_can_use_return_insn_p): Use frame layout stuff.
+       (ix86_expand_prologue): Likewise.
+       (ix86_expand_epilogue): Likewise.
+       (ix86_initial_elimination_offset): Likewise.
+       (ix86_nsaved_regs): Use ix86_save_reg.
+       (ix86_emit_save_regs): Likewise.
+
+Sat Feb 24 03:30:38 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (find_sub_basic_blocks): New function.
+       (split_block): Be ready for basic block introduced by CODE_LABEL.
+       (commit_one_edge_insertion): Call find_sub_basic_block.
+
+       * flow.c (make_edges): Add edge from entry for blocks starting with
+       label having ALTERNATE_NAME
+
+Sat Feb 24 03:19:42 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * function.c (epilogue_done): Be ready for first basic block not
+       containing PROLOGUE_END note.
+       (reposition_prologue_and_epilogue_notes): Avoid placing
+       PROLOGUE_END note between BASIC_BLOCK.
+
+Sat Feb 24 03:17:09 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * loop.c (canonicalize_condition): Move to reversed_comparison_code.
+
+2001-02-21  DJ Delorie  <dj@redhat.com>
+
+       * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
+       check for current_function_has_nonlocal_goto from 1999-11-12.
+
+Fri Feb 23 15:28:39 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * diagnostic.c (trim_filename): No longer static.
+       * toplev.h (trim_filename): Declare.
+       * rtl.c (rtl_check_failed_bounds): Call internal_error.
+       (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
+       (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
+       (rtvec_check_failed_bounds): Likewise.
+       * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
+
+       * convert.c (convert_to_integer): Don't do unsigned unless result or
+       both inputs are unsigned.
+
+       * fold-const.c (fold_convert): Don't call size_int_type_wide if
+       input overflows.
+
+       * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
+
+       * varasm.c (output_constant): Recompute CODE after lang-specific fn.
+
+2001-02-23  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * Makefile.in (resource.o): Add params.h dependence.
+       * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
+       * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
+       * resource.c: Add dependence on params.h.
+       (current_live_regs): Fix explanatory comment.
+       (find_basic_block): Add new parameter to permit limiting search
+       for a BARRIER.
+       (mark_target_live_regs): Add new argument to find_basic_block call.
+       (incr_ticks_for_insn): Likewise.
+
+2001-02-23  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
+
+       * diagnostic.c (output_to_stream): Rename to
+       output_buffer_to_stream. Loses the stream parameter.
+       (init_output_buffer): Set diagnosic_buffer's stream.
+       (flush_diagnostic_buffer): Adjust.
+       (default_print_error_function): Likewise.
+       (finish_diagnostic): Likewise.
+       (verbatim): Likewise.
+
+       * diagnostic.h (struct output_buffer): Add `stream' field.
+       (output_buffer_attached_stream): New macro.
+
+2001-02-23  Jakub Jelinek  <jakub@redhat.com>
+
+       * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
+       check if either operand is divisible by C.
+       (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
+       If type is signed, consider negative numbers as well.
+
+2001-02-22  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
+       reach .text instead of gp-relative relocs.
+       * config/ia64/crtend.asm (.init): Likewise.
+
+2001-02-22  Andreas Jaeger  <aj@suse.de>
+
+       * extend.texi (C++ Attributes): Fix typo.
+
+2001-02-21  David Mosberger  <davidm@hpl.hp.com>
+
+       * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
+       functions, drop current_function_args_info.words test.
+       (ia64_compute_frame_size): Mark syscall_linkage functions as
+       using eight input registers.
+
+2001-02-21  Loren J. Rittle  <ljrittle@acm.org>
+       Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
+       * fixinc/README: Document how to convert sed substitutions
+       to format style c_fix-es.
+       * fixinc/fixincl.x: regen
+
+2001-02-21  Jeffrey D. Oldham  <oldham@codesourcery.com>
+
+       * gcc.c: Add comment explaining how to add a command-line option.
+       Add title to specs language comment.
+
+2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * gcc.c (cc1_options): Add "-param".
+       (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
+       (option_map): Likewise.
+       * toplev.c (display_help): Add entry for "--param".
+       (independent_decode_option): Fix typographical error.
+
+Wed Feb 21 18:57:28 CET 2001  Catherine Moore  <clm@redhat.com>
+                             Bernd Schmidt  <bernds@redhat.com>
+                             Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (function_arg_advance):  Pass SSE arguments in registers.
+       (function_arg): Likewise.
+
+Wed Feb 21 18:12:41 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
+
+2001-02-21  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md (iorsi3): Do not output an extra newline
+       character.
+       (xorsi3): Likewise.
+
+Wed Feb 21 17:35:24 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * flow.c (init_propagate_block_info): Canon address and use single_set
+       for killing dead memory stores.
+
+2001-02-21  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * Makefile.in (reorg.o): Add params.h dependence.
+       * params.def: Fix typographical error in comment.
+       (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
+       * params.h: Modify introductory comment.
+       (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
+       * reorg.c: Add dependence on params.h.
+       (redundant_insn): Add parameterized throttle for search.
+       (fill_simple_delay_slots): Add a comment explaining a variable.
+       Move conditional out of loop, simplifying code.
+       (fill_eager_delay_slots): Fix typographical error in comment.
+
+2001-02-20  Aldy Hernandez  <aldyh@redhat.com>
+
+       * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
+
+       * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
+       (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
+
+2001-02-21  Jason Merrill  <jason@redhat.com>
+
+       * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
+       (struct tree_decl): Add uninlinable bitfield.
+       * c-decl.c (duplicate_decls): Set it.
+       * integrate.c (function_cannot_inline_p): Check it.
+
+       * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
+       DW_AT_MIPS_linkage_name to abstract methods.
+       (dwarf2out_abstract_function): Emit class context before calling
+       set_decl_abstract_flags.  Don't clear DECL_ABSTRACT.
+       (gen_subprogram_die): Remove obsolete code.
+       (gen_member_die): Don't include clones in the member list.
+       (gen_decl_die): Emit abstract info for clone origin.
+       * dwarfout.c (output_type): Don't include clones in the member list.
+       * dbxout.c (dbxout_type_methods): Ignore abstract methods.
+       * toplev.c (note_deferral_of_defined_inline_function): Don't clear
+       DECL_ABSTRACT on a function that already has it set.
+
+       * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
+       (get_subprogram_die): Pass it in.
+
+2001-02-21  Richard Earnshaw  <rearnsha@arm.com>
+
+       * flow.c (mark_set_1): Make not_dead unsigned long.  For
+       non-pseudos, use it as a bitmask of the hard regs that
+       don't die.
+
+2001-02-21  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c: Update comments.
+       (_cpp_read_file): Don't check for NULL filenames any more.
+       * cppinit.c (cpp_start_read): Don't do canonicalization of
+       in_fname and out_fname.  Use the passed file name exclusively.
+       (_cpp_handle_options): Don't treat "-" as a command line option,
+       but as a normal filename.
+       (_cpp_post_options): Canonicalize in_fname and out_fname.
+       * cppmain.c (printer_init): Don't check out_fname for NULL.
+       * c-lex.c (orig_filename): Rename cpp_filename for clarity.
+       (init_c_lex): Update, and use "" to represent stdin to CPP.
+       (yyparse): Update.
+
+2001-02-20  Will Cohen  <wcohen@redhat.com>
+
+       * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
+       * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
+       (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
+       fixunstfsi_libfunc.
+
+2001-02-20  Stan Shebs  <shebs@apple.com>
+
+       * config/rs6000/rs6000.c (output_cbranch): Output branches
+       on separate lines instead of using ';' to separate.
+
+2001-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (set_lang):  Move builtin handling to...
+       (init_builtins): ...here.
+       (_cpp_create_reader): Move call to set_lang.
+
+2001-02-20  Mark Mitchell  <mark@codesourcery.com>
+
+       * stmt.c (expand_return): If an attempt is made to return the
+       error_mar_node, treat the return like a return without a value.
+
+2001-02-19  Zack Weinberg  <zackw@stanford.edu>
+
+       * sibcall.c (skip_copy_to_return_value): Call
+       identify_call_return_value here, and return orig_insn if it
+       returns zero.  Hardret and softret arguments now unnecessary.
+       (call_ends_block_p): Don't call identify_call_return_value here.
+
+       * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
+       's' slots in RTXen.
+       * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
+       * ggc.h (ggc_mark_if_gcable): Delete prototype.
+
+Mon Feb 19 20:30:16 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa.c (move_operand): Accept code to load the address of a
+       symbol out of the DLT as a valid move operand.
+       (print_operand, case 'A'): New to handle generating a DLT
+       reference for a LO_SUM expression.
+       * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
+       * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
+
+2001-02-19  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * README, cpp.texi, gcc.texi, version.c: Update version number to
+       3.1.
+       * cpp.1, gcov.1, gcc.1: Regenerate.
+
+2001-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (stack_include_file): Generate dependencies
+       here, and manage include_count here too.
+       (PRINT_THIS_DEP): Delete.
+       (_cpp_execute_include): Do not generate dependencies here,
+       apart from the case of a missing header.  Do not manage
+       include_count.
+       (_cpp_read_file): Leave dependency generation to
+       stack_include_file.
+
+Mon Feb 19 10:17:47 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
+       target_cpu_default.  Remove dead assignment to
+       target_cpu_default.
+
+Mon Feb 19 16:47:39 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * regclass.c (contains_reg_of_mode): Make global.
+       (init_reg_sets): Remove contains_reg_of_mode; take into account
+       CLASS_MAX_NREGS when looking for the proper mode.
+       (dump_regclass): Dump only classes considered for the pseudo.
+       (regclass): Use contains_reg_of_mode.
+
+Mon Feb 19 16:45:42 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * gcc.c (do_spec_1): 'n' for printing notices.
+       * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
+
+Mon Feb 19 15:51:30 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reg-stack.c (next_flags_user): Use current_block->end
+       (swap_rtx_condition): Look for next user if flags don't die;
+       give up on CALL_INSNs; use current_block->end.
+
+Mon Feb 19 08:27:21 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * sibcall.c (call_ends_block_p): New function.
+       (optimize_sibling_and_tail_recursive_call): Use it.
+
+2001-02-18  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.md: Update copyright.
+       (andsi3): Do not output an extra newline character.
+
+Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * toplev.c (note_deferral_of_defined_inlined_function): Argument
+       FNDECL may be unused.
+
+       * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
+       follow jumps after first run.
+       If -fexpensive-optimizations rerun CSE after GCSE and iterate until
+       it doesn't change any jumps.
+
+Sun Feb 18 17:05:50 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
+       ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
+       (mostlyclean): Corresponding changes.
+       * rtlanal.c (hard-reg-set.h): Include.
+       (rtx_unstable_p): Do not treat the argument pointer specially
+       if it is not a fixed register.
+       (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
+
+Sun Feb 18 15:45:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
+       against last real insn in basic block.
+       Rework to avoid gotos.
+
+       * Makefile.in (gcse.o): Now includes ggc.h.
+       * gcse.c: Include ggc.h.
+       (want_to_gcse_p): Verify expression can be in SET as valid insn.
+       (try_replace_reg): Remove warning of uninitialize variable.
+       (process_insert_insn): Call invalid_insn_p to validate insn.
+       * recog.c (insn_invalid_p): Now global.
+       See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
+       * recog.h (insn_invalid_p): New declaration.
+
+       * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
+
+       * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
+       assignments from FP constants since 'Y' output code can't handle it.
+       (eligible_for_sibcall_delay): Likewise.
+
+       * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
+       Call fancy_abort directly, passing args.
+       (print_rtl_and_abort): Now a macro, like fancy_abort.
+
+       * final.c (output_operand_lossage): Use internal_error, not error.
+
+2001-02-18  Shane Nay  <shane@agendacomputing.com>
+
+       * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
+       structure shift insns.
+
+2001-02-18  Mark Mitchell  <mark@codesourcery.com>
+
+       * invoke.texi (-fsquangle): Remove documentation.
+       (-fname-mangling-version): Likewise.
+
+2001-02-18  Lars Brinkhoff  <lars@nocrew.org>
+
+       * optabs.c (expand_abs): Remove reference to
+       HAVE_contitional_arithmetic.
+       * combine.c (simplify_set): Likewise.
+
+2001-02-18  Richard Henderson  <rth@redhat.com>
+
+       * ifcvt.c (dead_or_predicable): Don't move code if eh regions
+       would be disrupted.
+
+2001-02-18  Richard Henderson  <rth@redhat.com>
+
+       * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
+
+       * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
+
+       * reload1.c (reload_cse_simplify_set): Fix typo.
+
+Sun Feb 18 09:30:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * diagnostic.c (_fatal_insn): Decrement errorcount.
+
+       * invoke.texi (-I): Add note avoiding use for system header files.
+
+       * rtl.h (add_clobbers): Remove duplicate declaration.
+       * recog.h (added_clobbers_hard_reg_p): New declaration.
+       * genemit.c (struct clobber_pat): New field has_hard_reg.
+       (gen_insn): Record if added clobbers clobber hard reg.
+       (gen_split): Avoid unused warning if number of operands is 0.
+       (output_added_clobbers_hard_reg_p): New function.
+       (main): Call it.
+
+2001-02-18  Alan Modra <alan@linuxcare.com.au>
+
+       * pa.c (hppa_expand_prologue): Simplify code storing return
+       pointer.  For large (>=8k) frames with a post_store, adjust stack
+       pointer by 8k-64 first rather than by 64.  When testing with
+       VAL_14_BITS_P, always use the actual value rather than the value
+       negated.  Add blockage to prevent scheduling of spills before
+       stack frame has been created.
+       (hppa_expand_epilogue): Simplify code loading return pointer.
+       Allow a slightly larger range for merge_sp_adjust_with_load case.
+       When testing with VAL_14_BITS_P, always use the actual value.
+
+       * pa.c (pa_adjust_insn_length): Check that block move
+       pattern is a set before looking at operands.
+
+2001-02-17  Mark Mitchell  <mark@codesourcery.com>
+
+       * fold-const.c (fold_binary_op_with_conditional_arg): New
+       function, split out from ...
+       (fold): ... here.
+       * tree.def (COND_EXPR): Document the use of VOID_TYPE for
+       conditional arms that throw exceptions.
+
+       * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
+       looking at a BLOCK.
+
+2001-02-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
+       define HAVE_DECL_* to 1 to mask potential backup declarations.
+       * configure: Regenerated.
+
+2001-02-17  Mark Mitchell  <mark@codesourcery.com>
+
+       * invoke.texi (-Woverloaded-virtual): Clarify documentation.
+
+2001-02-17  Richard Henderson  <rth@redhat.com>
+
+       * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
+       when replacing a memory load with a register.
+
+Sat Feb 17 14:48:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+                         Jan Hubicka  <jh@suse.cz>
+
+       * recog.c (validate_replace_src_1): New.
+       (validate_replace_src_data): Likewise.
+       (validate_replace_src): Use note_uses.
+       * rtl.h (note_uses): Declare.
+       * rtlanal.c (note_uses): New.
+
+Sat Feb 17 10:52:34 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * reg-stack.c (stack_def): Make field reg unsigned.
+       (remove_regno_note): Unsignetize parameter.
+
+2001-02-16  Jes Sorensen  <jes@linuxcare.com>
+
+       * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
+       shladd_operand() call.
+
+2001-02-16  Bruce Korb  <bkorb@gnu.org>
+           Rodney Brown  <RodneyBrown@mynd.com>
+
+       * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
+       * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
+       machine restrictions
+       * fixinc/fixincl.x: regen
+
+Fri Feb 16 12:41:30 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
+       Don't CSE a nop.
+       (hash_scan_insn): Clean up calls to hash_scan_set.
+       (compute_kill_rd): REGNO now unsigned.
+       (try_replace_reg): Rework to use simplify_replace_rtx.
+       (cprop_jump, cprop_cc0_jump): Likewise.
+       (cprop_insn): Call find_reg_equal_equiv_note.
+       Reflect changes to cprop_jump and cprop_cc0_jump.
+
+       * recog.c (validate_replace_src): Replace in operands of
+       ZERO_EXTRACT in SET_DEST.
+
+       * cse.c (new_label_ref): New variable.
+       (insert): Set it instead of recorded_label_ref.
+       (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
+       CODE_LABEL for this function, and not already in REG_LABEL note.
+
+2001-02-16  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * resource.c (mark_referenced_resources): Fix typo in introductory
+       comment.
+       * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
+       string constant.
+
+2001-02-16  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
+       NULL.
+       (gen_subprogram_die): Don't abort on seeing a second definition if
+       the previous one was abstract.  Don't replace an abstract instance
+       in the lookup table.
+
+       * dwarf2out.c (dwarf2out_abstract_function): Rename from
+       gen_abstract_function.
+       * dwarf2out.h: Declare it.
+       * toplev.c (note_outlining_of_inline_function): New fn.
+       * toplev.h: Declare it.
+       * integrate.c (output_inline_function): Call it.
+       * c-decl.c (duplicate_decls): Call it when redefining an extern
+       inline.  Don't inline the new defn.
+
+       * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
+
+2001-02-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * .gdbinit: Rename to gdbinit.in.
+       * gdbinit.in: New file,
+       * configure.in: Generate .gdbinit from gdbinit.in.
+       * configure: Regenerated.
+       * Makefile.in (distclean): Always remove .gdbinit.
+
+2001-02-16  Jakub Jelinek  <jakub@redhat.com>
+
+       * objc/objc-act.c (start_class): Register implemented_classes with
+       GC.
+
+2001-02-16  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (_cpp_make_system_header): Generate a file
+       change callback.
+
+2001-02-15  Jim Meyering  <meyering@lucent.com>
+
+       * Makefile.in (install-common): Don't depend on installdirs here.
+       Instead, make each of the lang.install-common targets (e.g.,
+       c++.install-common in cp/Make-lang.in) depend on it.
+       (install-driver): Depend on installdirs.
+
+Thu Feb 15 21:30:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
+
+       * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
+       do in memory.
+
+2001-02-15  Mark Mitchell  <mark@codesourcery.com>
+
+       * invoke.texi (--param): Document.
+
+Thu Feb 15 15:16:38 2001  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
+
+Thu Feb 15 10:52:31 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (extendsfdf2_2): Fix constraints.
+
+Thu Feb 15 09:46:21 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (fop_df_3 splitter): Fix operand number.
+
+Wed Feb 14 12:37:37 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * invoke.texi (-mreg-alloc): Nuke.
+       * i386.c (ix86_reg_alloc_order, regs_allocated,
+       order_regs_for_local_alloc): Nuke.
+       (override_options): Kill reg_alloc code.
+       * i386.h (TARGET_OPTIONS): Kill reg-alloc.
+       (REG_ALLOC_ORDER): SSE goes before I387.
+       (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
+       (ix86_reg_alloc_order): Likewise.
+       * i386-protos.h (ix86_reg_alloc_order): Kill.
+
+2001-02-14  Richard Henderson  <rth@redhat.com>
+
+       * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
+
+Wed Feb 14 11:59:58 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
+
+Wed Feb 14 11:12:38 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386-protos.h (ix86_memory_move_cost): Move offline.
+       * i386.c (ix86_register_move_cost): Compute properly cost of
+       SSE, MMX and i387 instructions.
+       (*_cost): Add costs of SSE/MMX moves.
+       (ix86_memory_move_cost): Move offline from ....; Likewise.
+       * i386.h (MEMORY_MOVE_COST): .... here;
+       (struct processor costs): Add new fields to represent costs
+       of SSE/MMX moves.
+
+Wed Feb 14 10:08:26 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * regclass.c (init_reg_sets_1): Reinstall the optimization of
+       move_cost together with Matt Kraai's fix.
+
+2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * Makefile.in (OBJS): Add params.o.
+
+2001-02-14  Richard Henderson  <rth@redhat.com>
+           DJ Delorie  <dj@redhat.com>
+
+       * jump.c (jump_optimize_1): When we delete a conditional jump
+       preceding a non-conditional jump to effectively the same place,
+       make sure that the combined jump skips any clobber insns between
+       the two labels.
+
+2001-02-14  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
+
+2001-02-14  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (toplev.o): Depend on params.h.
+       (intergate.o): Likewise.
+       (params.o): New target.
+       * flags.h (inline_max_insns): Remove.
+       * integrate.c: Include params.h.
+       Use MAX_INLINE_INSNS instead of inline_max_insns.
+       * params.c: New file.
+       * params.h: Likewise.
+       * params.def: Likewise.
+       * toplev.c: Include params.h.
+       (lang_independent_params): New variable.
+       (decode_f_option): Use the param machinery instead of setting
+       max_inline_insns.
+       (independent_decode_option): Handle "--param name=value".
+       (main): Register language-independent parameters.
+
+Wed Feb 14 11:13:45 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (pushsf, pushdf_nointeger): Fix constraint.
+
+2001-02-14  Richard Henderson  <rth@redhat.com>
+
+       * regclass.c (init_reg_sets_1): Revert last two changes.
+
+2001-02-14  Jakub Jelinek  <jakub@redhat.com>
+
+       * stor-layout.c (is_pending_size, put_pending_size): New functions.
+       (variable_size): Call put_pending_size.
+       * tree.h (is_pending_size, put_pending_size): Add prototypes.
+       * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
+       sizes list, put newly created SAVE_EXPR there as well.
+
+2001-02-14  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/ia64/ia64.c (last_group): Only 2 entries are needed.
+       (errata_find_address_regs): load_group has only 2 entries.
+       (errata_emit_nops): Likewise.  shladd is not problematic.
+       Clear last_group if nop was emitted.
+       (fixup_errata): load_group has only 2 entries.
+       Optimize.
+
+2001-02-14  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (lex_number): Only warn traditionally for U suffix
+       outside system macros.
+       * cppexp.c (parse_number): Similarly.
+       * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
+       * cppmacro.c (struct cpp_macro): New member node.
+       (parse_args): Only warn about missing rest args if not
+       a system macro.
+       (funlike_invocation_p): Similarly for uninvoked funlike macros.
+       (cpp_sys_objmacro_p): New.
+       (_cpp_create_definition): Store the node with the macro defn.
+       Remember if the macro is defined in a system header.
+
+2001-02-13  DJ Delorie  <dj@redhat.com>
+
+       * configure.in (check_languages): determine languages to check
+       * Makefile.in (check-c++): alias for check-g++
+       (check-f77): alias for check-g77
+       (CHECK_TARGETS): depend on configured languages
+
+Wed Feb 14 01:13:59 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
+       (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
+       (sqrtsf2 patterns): Use 'x' instead of 'Y'.
+       (sqrtextendsfdf2): Disable for SSE2.
+
+Wed Feb 14 00:19:28 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
+       (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
+       (sqrtsf2 patterns): Use 'x' instead of 'Y'.
+       (sqrtextendsfdf2): Disable for SSE2.
+
+Wed Feb 14 00:11:20 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (movsfcc_1): Support integer cmove instruction.
+       (movdfcc_1): Likewise; new splitter.
+
+Tue Feb 13 23:19:27 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (output_fp_compare): Support SSE.
+       (prepare_fp_compare_args): SSE comparisons always support memory.
+       * i386.h (TARGET_CMOVE): SSE imply cmove.
+       * i386.md (cmp?f2): Enable for SSE too.
+       (cmpfp_i*): Support SSE.
+       (cmpfp_i_sse): New.
+       (cmpfp_i_sse_only): New.
+       (s*, b* fp expanters): Enable for SSE too.
+       (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
+       New patterns.
+
+Tue Feb 13 23:05:42 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * regclass.c (init_reg_sets_1): Silence warning.
+
+Tue Feb 13 22:03:07 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (sqrt?f2): Change to expander.
+       (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
+
+Tue Feb 13 15:42:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * rtlanal.c (find_reg_equal_equiv_note): New function.
+       * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
+       (simplify_gen_relational, simplify_replace_rtx): Likewise.
+       * rtl.h: Add declarations for above functions.
+
+Tue Feb 13 21:09:11 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
+       conditionals.
+       * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
+       * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
+       * flow.c (mark_regs_live_at_end): Likewise.
+       (calculate_global_regs_live): Likewise.
+       * gcse.c (compute_hash_table): Likewise.
+       (compute_kill_rd): Likewise.
+       * resource.c (mark_target_live_regs): Likewise.
+       * rtl.h (INVALID_REGNUM): New macro.
+
+Tue Feb 13 20:59:22 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
+
+Tue Feb 13 16:32:20 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (fixsfsi2, fixdfdi2): Force operand to register
+       for SSE.
+
+Tue Feb 13 14:53:16 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
+       too.
+       (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
+       (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
+       (fop_sf_1_sse, fop_df_1_sse): New patterns
+       (fop_*): Disable float_extend and float patterns for SSE compilation.
+       * i386.c (output_387_binary_op): Support SSE.
+
+Tue Feb 13 14:16:34 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.md (dummy_extendsfdf2): Support SSE2
+       (extendsfdf2): Enable if 80387 or SSE2.
+       (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
+       and no MIX_I387_SSE2
+       (extendsfdf2_1_sse_only): New pattern.
+       (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
+       of SSE.
+       (truncdfsf2_1): Support SSE.
+       (truncdfsf2_2): Support SSE.
+       (truncdfsf2_2_1_sse): New pattern.
+       (fixtruncsfsi2): Always use SSE if available.
+       (fix_truncsfsi_sse): New pattern.
+       (fix_truncdfsi_sse): New pattern.
+       (floatsis?f2): Support SSE.
+       (floatsidf2_i387): New pattern.
+       (floatsidf2_sse): Likewise.
+
+Tue Feb 13 07:52:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * configure.in: Use "have_gnat" variable, not "gnat".
+       * configure: Regenerated.
+
+       * config/sparc/sparc.c (function_value): Treat all non-record
+       aggregate types like used to treat UNION_TYPE.
+
+Tue Feb 13 13:31:33 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
+       * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
+       (MASK_SSE2): New.
+       (MASK_MIX_SSE_I387): New.
+       (TARGET_SSE): SSE2 imply SSE.
+       (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
+       (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
+       (enum reg_class): Add new classes.
+       (REG_CLASS_NAMES): Likewise.
+       (REG_CLASS_CONTENTS): Likewise.
+       (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
+       (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
+       supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
+       (CLASS_MAX_NREGS): Use new macros.
+       (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
+       * i386.md (pushsf, movsf): Support SSE.
+       (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
+       splitters to use ANY_FP_REGNO_P.
+       (movdf_nointeger, movdf_integer): Likewise.
+
+2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
+       (try_combine): Use it.
+
+Tue Feb 13 11:37:06 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
+       MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
+       (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
+       (REGISTER_MOVE_COST): Likewise.
+       * i386-protos.h (ix86_secondary_memory_needed,
+       ix86_preferred_reload_class, ix86_register_move_cost): Declare.
+       * i386.c (ix86_secondary_memory_needed,
+       ix86_preferred_reload_class, ix86_register_move_cost): New function.
+
+Die Feb 13 11:04:25 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
+       (HARD_REGNO_MODE_OK): Move offline to ....
+       * i386.c (ix86_hard_regno_mode_ok) ... here;
+       refuse all incorrect modes.
+       * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
+
+2001-02-13  Richard Henderson  <rth@redhat.com>
+
+       * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
+       entire operator; replicate that and match_dup the operands.
+       (cmp_ccx_arith_op_set): Likewise.
+       (cmp_cc_arith_op_not_set): Likewise.
+       (cmp_ccx_arith_op_not_set): Likewise.
+
+2001-02-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * explow.c (trunc_int_for_mode): Sign-extend value to mode.
+
+2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
+       (TARGET_NO_BITFIELD_WORD): New macro.
+       (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
+       (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
+
+Mon Feb 12 18:13:26 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * cselib.c: New file, from simplify-rtx.c.
+       * simplify-rtx.c: Remove cselib parts.
+       * Makefile.in: Add cselib.o.
+
+2001-02-12  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
+       (setup_incoming_varargs): Remove warning.
+
+       * config/rs6000/rs6000.c (validate_condition_mode): When
+       flag_fast_math, allow floating-point conditionals to be reversed.
+       (rs6000_generate_compare): When flag_fast_math, don't generate
+       cror operations for FP conditionals.
+
+       * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
+       -mcall-i960.
+       (ASM_SPEC): Likewise.
+       (CC1_ENDIAN_LITTLE_SPEC): Likewise.
+       (CC1_SPEC): Likewise.
+       (LINK_TARGET_SPEC): Likewise.
+       (CPP_ENDIAN_SPEC): Likewise.
+       * Makefile.in (check-consistency): New target.
+
+2001-02-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-decl.c (grokdeclarator): In C99 mode, give the more specific
+       "return type defaults" warning for functions with return type
+       defaulting to int.
+       * c-lang.c (c_init): In C99 mode, enable warnings for implicit
+       function declarations by default rather than only when pedantic.
+
+Mon Feb 12 17:28:48 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
+       arrays.
+
+2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * extend.texi (Deprecated): Deprecate new initializer lists.
+
+2001-02-12  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * mkdeps.c (deps_add_default_target): Robustify. Add
+       basename component only.
+       * cpp.texi (-M): Describe how default target is generated.
+       * invoke.texi (-M): Likewise.
+
+2001-02-12  Kazu Hirata  <kazu@hxi.com>
+
+       * toplev.c (push_float_handler): Remove.
+       (pop_float_handler): Remove.
+       * toplev.h: Remove prototypes for the above functions.
+
+2001-02-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-common.c (constant_fits_type_p): New function.
+       (convert_and_check): Use it.
+
+2001-02-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (GXX_ABI_FLAG): Don't define.
+       * configure.in (--enable-new-gxx-abi): Remove option.
+       * config.in: Regenerated.
+       * configure: Likewise.
+
+2001-02-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
+       basic block.
+       (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
+       regular basic block, and arrange for all edges into it to switch
+       to normal mode.
+
+2001-02-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * Makefile.in (distclean): Do not remove .gdbinit.
+
+2001-02-11  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (gcc.o): Fix typos.
+       (protize.o): Likewise.
+       (unprotoize.o): Likewise.
+
+2001-02-11  Richard Henderson  <rth@redhat.com>
+
+       * tree.c (build1): Check for null operand in last change.
+
+2001-02-11  Richard Henderson  <rth@redhat.com>
+
+       * fold-const.c (split_tree): Don't assume a constant isn't splittable.
+       (fold): Don't assume a constant isn't foldable.
+       * tree.c (build): Set TREE_CONSTANT for an expression with no
+       side-effects and constant operands.
+       (build1): Likewise.
+
+2001-02-10  Richard Henderson  <rth@redhat.com>
+
+       * jump.c (squeeze_notes): Revert 2000-05-12 change.
+
+2001-02-10  Anthony Green  <green@redhat.com>
+
+       * cpp.texi (Standard Predefined): Add documentation for
+       __OPTIMIZE_SIZE__.
+
+       * c-common.c (combine_strings): Improve warning message.
+
+2001-02-10  Geoffrey Keating  <geoffk@redhat.com>
+
+       * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
+       --oformat.
+       * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
+
+Fri Feb  9 15:05:27 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
+       CYGWIN_CROSS_DIR.
+
+2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
+       fp_mode attribute.
+
+2001-02-09  Nick Clifton  <nickc@redhat.com>
+
+       * config/arm/arm.md: Change output contraint on post inc
+       load/store multiple patterns to be a read/write contraint.
+
+2001-02-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * gcc.c (cpp_options): Delete .d files on error.  Don't delete
+       .o files when using the -M options.
+
+2001-02-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+           David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
+       handle DImode constants.  Use one TOC entry for SImode and smaller
+       constants, aligned properly.
+
+2001-02-08  Jason Merrill  <jason@redhat.com>
+
+       * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
+       about the SP adjustment for saving the static chain pointer.
+       * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
+       offset when setting a temporary CFA register.
+
+2001-02-08  Chandrakala Chavva  <cchavva@redhat.com>
+
+       * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
+       powerpc-*-chorusos* .
+       * config/rs6000/chorus.h : New file.
+       * config/i386/chorus.h : New file.
+       * config/sparc/chorus.h : New file.
+       * config/sparc/t-chorus-elf : New file.
+
+2001-02-08  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
+       * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
+       * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
+       (__WCHAR_TYPE__): Correct macro name.
+
+2001-02-08  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_frame_pointer_required): New.
+       (ix86_setup_frame_addresses): New.
+       (struct machine_function): Add accesses_prev_frame.
+       * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
+       ix86_frame_pointer_required.
+       (SUBTARGET_FRAME_POINTER_REQUIRED): New.
+       (SETUP_FRAME_ADDRESSES): New.
+       * config/i386/i386-protos.h: Update.
+       * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
+       from FRAME_POINTER_REQUIRED.
+       * config/i386/svr3gas.h: Likewise.
+       * config/i386/sysv3.h: Likewise.
+       * config/i386/v3gas.h: Likewise.
+
+2001-02-08  Richard Henderson  <rth@redhat.com>
+
+       * config/sparc/sparc.c (function_arg_record_value_3): Fix
+       calculation of the number of integer registers required.
+       (function_arg_record_value): Likewise.
+
+2001-02-08  Jason Merrill  <jason@redhat.com>
+
+       * diagnostic.c (internal_error): Say "confused" after 1 error, not
+       two.  Print file and line with "confused" message.
+
+       * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
+
+Thu Feb  8 11:21:28 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
+
+2001-02-08  Bernd Schmidt  <bernds@redhat.com>
+
+       * final.c (cleanup_subreg_operands): The address of a MEM can
+       contain SUBREGs.
+
+       * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
+       for asms, too.
+
+2001-02-08  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gcc.texi (Incompatibilities): Update documentation of
+       preprocessing numbers.
+
+2001-02-07  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
+
+2001-02-07  Mark Mitchell  <mark@codesourcery.com>
+
+       * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
+
+       * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
+       * gcc.c (struct compiler): Add cpp_spec field.
+       (input_file_compiler): New variable.
+       (do_spec_1): Allow a particular compiler to handle `%C'
+       specially.
+       (main): Store the current compiler in input_file_compiler.
+       * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
+
+2001-02-07  Zack Weinberg  <zack@wolery.stanford.edu>
+
+       * cpphash.h (struct spec_nodes): Add n_true and n_false.
+       * cppinit.c (cpp_create_reader): Initialize them.
+       (append_include_chain): cxx_aware arg might be unused.
+       * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
+       keywords and give them their phase 7 meaning.  Pedwarn about
+       this unless '__bool_true_false_are_defined' is defined.
+
+2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
+
+       * lcm.c (optimize_mode_switching): Emit mode_set before the
+       JUMP_INSN of an abnormal edge.
+
+2001-02-07  Bernd Schmidt  <bernds@redhat.com>
+
+       * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
+       a scheduling barrier at the end.
+
+       * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
+
+2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.md (reload_outsf): Removed.
+       (movsf_ie): Introduce constraints for FPUL loads and stores.
+       (reload_insf): Broaden the output constraint.
+
+       * config/elfos.h (INT_ASM_OP): Don't define it if it's already
+       defined.
+       * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
+       ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
+
+2001-02-06  Chandrakala Chavva  <cchavva@redhat.com>
+
+       * final.c: Revert my previous changes.
+       * output.h: Make profile_label_no extern.
+       * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
+       for generating label.
+
+2001-02-06  Laurynas Biveinis  <lauras@softhome.net>
+
+       * config/i386/djgpp.h: Add comments about standard paths.
+       (MD_EXEC_PREFIX): Undefine before defining.
+       (MD_STARTFILE_PREFIX): New.
+
+2001-01-30  Bruce Korb  <bkorb@gnu.org>
+
+       fixinc/fixincl.c(process):  Emit error message only if appropriate :)
+       (load_file): do not rely on load_file_data() to close file pointer
+       fixinc/fixlib.c(load_file_data): do not close passed in file pointer
+       fixinc/inclhack.def(irix_limits_const): add test_text
+
+2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppexp.c (parse_defined): Improve diagnostics for invalid
+       syntax.
+
+2001-02-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
+
+2001-02-06  Mark Mitchell  <mark@codesourcery.com>
+
+       * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
+       * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
+       * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
+       (rs6000_output_symbol_ref): New function.
+       (output_toc): Use VTABLE_NAME_P.
+
+Tue Feb  6 07:54:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * print-tree.c (print_node, case PARM_DECL):
+       Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
+
+       * stor-layout.c (reference_types_internal): New variable.
+       (internal_reference_types): New function.
+       (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
+       * tree.h (internal_reference_types): New declaration.
+
+       * cse.c (find_best_addr): Fix typo in computing cost.
+
+Mon Feb  5 21:56:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
+       and this is the sum of a pointer and a constant, we know the result
+       did not overflow.
+       (num_sign_bit_copies, case PLUS): Likewise.
+       * explow.c (convert_memory_address): Remove opposite SUBREG.
+       * function.c (instantiate_new_reg): New function (from common code).
+       (instantiate_virtual_regs_1): Call it.
+       For PLUS, handle if (plus (subreg (virt-reg) (const_int))
+       if pointers sign- or zero-extend.
+       * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
+       If pointers extend unsigned, use inside of SUBREG.
+       (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
+
+2001-02-05  Benjamin Kosnik  <bkoz@redhat.com>
+
+       * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
+       subdir of gcc_gxx_include_dir.
+       (gcc_gxx_target_include_dir): Remove.
+
+2001-02-05  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
+       (dwarf2out_frame_debug_expr): Revise introductory comments to add
+       a high-level description.
+
+2001-02-05  Chandrakala Chavva  <cchavva@redhat.com>
+
+       * final.c: Move the declaration of profile_label_no to ...
+       * output.h: ... here.
+       * function.c (expand_function_start): Call PROFILE_HOOK.
+       * config/rs6000/aix.h: Define PROFILE_HOOK.
+       * config/rs6000/rs6000-protos.h: output_profile_hook new.
+       * config/rs6000/rs6000.c (output_profile_hook): Define.
+       (output_prolog): Do nothing for ABI_AIX as it is taken care by
+       output_profile_hook.
+       tm.texi : Explain new macro PROFILE_HOOK.
+
+2001-02-06  Hans-Peter Nilsson  <hp@axis.com>
+
+       * extend.texi (Extended Asm): Do not say that semicolon is always
+       a valid line-breaking character for GNU assemblers.  Use
+       newline-tab as the most commonly supported syntax.  Use
+       newline-tab rather than semicolon in multi-insn examples.
+
+2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
+
+2001-02-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+           David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
+       code for AIX, even without flag_pic.
+
+2001-02-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (common_type): push and pop binding level around
+       calling common_type on function parameters.
+
+Mon Feb  5 14:30:37 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
+
+Mon Feb  5 11:23:16 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/mips/mips.c (override_options): Fix typo in last change.
+       (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
+       (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
+
+2001-02-05  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * invoke.texi (-fdump-class-layout): Document.
+       (-fdump-translation-unit): Use `=' as filename separator.
+
+2001-02-05  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (s-mlib): Don't build multilibs if
+       --disable-multilib.
+       (DRIVER_DEFINES): Adjust accordingly.
+       (gcc.o): Likewise.
+       (protoize.o): Likewise.
+       (unprotoize.o): Likewise.
+       * configure.in: Recognize --enable-multilib.
+
+2001-02-04  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (DRIVER_DEFINES): Fix quoting.
+
+       * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
+       * configure.in: Remove --enable-libstdcxx_v3 support.
+       * configure: Regenerated.
+
+Sun Feb  4 15:52:44 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
+       Call abort instead of fatal.
+       (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
+       * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
+       (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
+       (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
+       (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
+       * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
+
+       * diagnostic.h (set_internal_error_function): Renamed.
+       * toplev.h (internal_error): Renamed from fatal.
+       (pfatal_with_name): Deleted.
+       (fatal_io_error): Now has printf-style arguments.
+       * diagnostic.c (pfatal_with_name): Deleted.
+       (fatal_io_error): Rework to have args in printf-style.
+       (set_internal_error_function): Renamed from set_fatal_function.
+       (internal_error): Renamed from fatal.
+       (error_recursion, fancy_abort): Call internal_error instead of fatal.
+       * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
+       * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
+       * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
+       * flow.c (verify_flow_info): Likewise.
+       * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
+       * config/mips/mips.c (save_restore_insns): Likewise.
+
+       * except.c (duplicate_eh_handlers): Call abort instead of fatal.
+       * flow.c (verify_flow_info): Likewise.
+       * config/arm/arm.c (thumb_load_double_from_address): Likewise.
+       * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
+       (avr_normalize_condition): Likewise.
+       * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
+       * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
+       (limit_reload_class, double_reg_to_memory): Likewise.
+       (print_operand_address, emit_1600_code_shift): Likewise.
+       (gen_tst_reg, gen_compare_reg): Likewise.
+       * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
+       * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
+       Deleted.
+       * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
+
+       * c-parse.in (methoddef): Call fatal_error instead of fatal.
+       * objc/objc-act.c (build_ivar_chain): Likewise.
+       * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
+       pfatal_with_name.
+       * graph.c (clean_graph_dump_file): Likewise.
+       * profile.c (init_branch_prob): Likewise.
+       * objc/objc-act.c (objc_init): Likewise.
+
+       * config/arm/arm.c (arm_override_options): Make errors non-fatal.
+       * config/avr/avr.c (avr_override_options): Likewise.
+       * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
+       * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
+       * config/h8300/h8300.c (h8300_init_once): Likewise.
+       * config/mips/mips.c (override_options): Likewise.
+       * config/i386/i386.c (override_options): Likewise, rework.
+       * config/m68k/m68k.c (override_options): Likewise.
+
+       * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
+       instead of fatal.
+       * config/mips/mips.c (print_operand): Likewise.
+       * hash.c (hash_allocate): Don't check for failure returns from
+       obstack functions that can't fail.
+       (hash_table_init_n, hash_table_init): Likewise; also now return void.
+       * hash.h (hash_table_init_n, hash_table_init): Now return void.
+       * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
+       (get_object_reference): Likewise.
+
+2001-02-04  Nick Clifton  <nickc@redhat.com>
+
+       * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
+       StrongARM1110, 10TDMI, and 1020T.
+
+2001-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
+
+2001-02-04  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.md (movdf load split): Pass register number to
+       FP_OR_XD_REGISTER_P.
+
+2001-02-04  Mark Mitchell  <mark@codesourcery.com>
+
+       * cppinit.c (BC): New macro.
+       (builtin_array): Add __GXX_WEAK__.
+       * cpplib.h (builtin_type): Add BT_WEAK.
+       * cppmacro.c (builtin_macro): Handle BT_WEAK.
+       * defaults.h (SUPPORTS_ONE_ONLY): Define.
+       * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
+
+2001-02-03  Jakub Jelinek  <jakub@redhat.com>
+
+       * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
+
+2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h: Rename _ALIGN POOL_ALIGN.
+       * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
+
+2001-02-03  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h: Rename ALIGN _ALIGN.
+       * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
+
+Fri Feb  2 23:15:29 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
+       compilation environment.
+       * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
+       control over location of cygwin includes and libs.
+
+2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
+
+       * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
+
+2001-02-02  lars brinkhoff  <lars@nocrew.org>
+
+       * md.texi (Standard Names): remove reference to spur.md.
+
+2001-02-03  Michael Hayes  <m.hayes@elec.canterbury.ac.nz)
+
+       * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
+       (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
+       (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
+       * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
+       (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
+
+2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
+       c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
+       number before reload.
+       (c4x_adjust_cost): Return zero before reload.
+       * c4x.md (load_immed_address+1, load_immed_address+2): Do not
+       split before reload.
+
+2001-02-03  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x.c (c4x_hard_regno_rename_ok): New.
+       * c4x-protos.h (c4x_hard_regno_rename_ok): New.
+       * c4x.h (HARD_REGNO_RENAME_OK): Define.
+
+Fri Feb  2 20:03:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * diagnostic.h: Add missing "extern" in all declarations.
+
+2001-02-02  Alex Samuel  <samuel@codesourcery.com>
+
+       * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
+       as for gcc_gxx_include_dir.
+
+2001-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi, invoke.texi: Update -Wtraditional documentation.
+
+2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.c (output_far_jump): Don't use braf on SH1.  Emit
+       label before alignment to be used as the braf base address.
+       * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
+       branches.
+       (casesi_jump_2): Require at least TARGET_SH2.
+
+       * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
+       truncation to 32-bit doubles on -m3e and -m4-single-only.
+
+2001-02-02  Mark Mitchell  <mark@codesourcery.com>
+
+       * gcc.c (init_gcc_specs): New function.  Make -shared-libgcc
+       the default when building a shared object.
+       (init_spec): Use it.
+       * testsuite/lib/g++.exp: Include the directory where libgcc
+       is located to the LD_LIBRARY_PATH list.
+       * invoke.texi (-shared-libgcc): Document the cases in which
+       GCC defaults to using the shared libgcc.
+
+2001-02-02  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
+       unsigned is wide enough.
+       (BITS_PER_SI): New.
+       * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
+       (si_to_float): Likewise.
+       (float_to_si, float_to_usi): Use BITS_PER_SI.
+
+2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * dwarf2out.c: Added explanation of abbreviations.
+       (def_cfa_1): Added comments listing DWARF2 instructions.
+       (cfa_temp_reg): Removed in favor of cfa_temp.
+       (cfa_temp_value): Removed in favor of cfa_temp.
+       (cfa_temp): New global variable.
+       (dwarf2out_frame_debug_expr): Added extensive introductory
+       comments explaining the function's transformations.  Revised to
+       use cfa_temp.  Added some rtx checking.  Generalize IOR case.
+       (dwarf2out_frame_debug): Revised to use cfa_temp.
+       (output_aranges): Cast as "unsigned" to avoid warning.
+       * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
+       explain which instructions must be marked.
+
+2001-02-01  Richard Henderson  <rth@redhat.com>
+
+       * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
+       new instruction.
+
+2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/crt1.asm (main_k): Modified so that start calls
+       ___setup_argv_and_call_main.
+
+2001-02-01  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
+       * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
+       and AVOID_LPASTE is cleared on meeting an unescaped newline.
+       * cppmacro.c (builtin_macro): Set builtin flags here.
+       (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
+       (replace_args): Clarify intent.
+       (cpp_get_token): Macro expansion tokens get the saved flags.
+       Update.
+       * cppmain.c (scan_buffer): Remove now-redundant print.printed
+       check.
+
+2001-02-01  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
+       2001-Jan-29.
+
+Thu Feb  1 07:22:41 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
+       returns Pmode pseudo, but we need ptr_mode.
+       * explow.c (allocate_dynamic_stack_space): Use plus_constant.
+       Remove bogus conversions; use HOST_WIDE_INT for size.
+       Don't use TARGET if wrong mode.
+
+       * config/i386/i386.c (ix86_compute_frame_size): Allow
+       stack_alignment_needed to be non-default even if size is zero.
+
+2001-01-31  Alan Modra <alan@linuxcare.com.au>
+
+       * pa.c (hppa_init_pic_save): New function.
+       * pa.h (hppa_init_pic_save): Declare.
+       * pa.md (call, call_value, sibcall, sibcall_value): Use
+       the above instead of duplicated code.
+
+       * pa.c (hppa_encode_label): Correct size of alloca buffer
+       so we don't overrun it.  Correct leading `*' case.
+       * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
+       need to handle `*@'.
+       (FUNCTION_NAME_P): Likewise.
+
+2001-01-31  Richard Henderson  <rth@redhat.com>
+
+       * config.gcc (alpha-osf5): Use float-i128.h.
+
+       * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
+       * config/float-i32.h: Likewise.
+       * config/float-i64.h: Likewise.
+       * config/float-sh.h: Likewise.
+       * config/float-sparc.h: Likewise.
+
+2001-01-31  DJ Delorie  <dj@redhat.com>
+
+       * expmed.c (extract_bit_field): allow non-integral modes if we
+       want to extract a whole register from itself.
+
+2001-01-31  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (set_init_index): If first is equal to last, assume as
+       if it was not a range at all.
+
+2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/fp-bit.c: Include tm.h.
+       (float_to_si): Don't assume SImode is 32-bits wide.
+       (float_to_usi): Likewise.
+
+2001-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
+       incomplete type.
+       (typename): Call pending_xref_error after parsing typed_typespecs.
+       * c-decl.c (lookup_tag): Give error immediately rather than
+       leaving it pending if the tag of the wrong type is in the same
+       binding level.
+       (xref_tag): Don't pedwarn for forward declarations of enum types
+       here.
+       * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
+       and enum tags.
+
+2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
+
+2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
+       (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
+
+2001-01-31  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.h (struct cpp_reader): New saved_flags.
+       * cppmacro.c (cpp_get_token): Use saved_flags to remember
+       to avoid a paste after a pasted token.
+
+2001-01-31  Alexandre Oliva  <aoliva@redhat.com>
+
+       * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
+       * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
+       Wtype_MIN instead of LONG_MIN.
+
+2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * fixinc/fixincl.tpl: Add 2001 to copyright.  Change name of
+       README file.
+       * fixinc/fixincl.x: Regenerated.
+       * fixinc/inclhack.def (irix_limits_const): New definition to
+       convert "const" to "__const" in limits.h.
+
+2001-01-30  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * fixinc/genfixes (AG): Fix "autogen4" thinko.
+
+2001-01-30  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
+
+       * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
+       when register dies in the insn.
+
+2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * diagnostic.c (fatal): Fix word wrap.
+
+2001-01-30  Alexandre Oliva  <aoliva@redhat.com>
+
+       * combine.c (try_combine): Fix SUBREG setting for
+       HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
+
+2001-01-30  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
+       comparison codes.
+
+2001-01-30  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
+       is not NULL.
+       * toplev.c (decode_W_option): Update warn_larger_than
+       unconditionally for each processed switch.
+
+2001-01-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
+       to NULL_RTX.
+       (hppa_expand_prologue): Delete code to save pic offset table register
+       in the function prologue.
+       * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
+       * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
+       table register at the beginning of the function after the prologue.
+
+2001-01-29  lars brinkhoff  <lars@nocrew.org>
+
+       * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
+
+2001-01-29  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+           Jeff Law <law@redhat.com>
+
+       * pa.md (return): Revise comment for trivial return.
+       (return_internal): Non-trivial return pattern for non-PIC code.
+       (return_internal_pic): Non-trivial return pattern for PIC code.
+       It uses the PIC register to ensure it is restored after
+       function calls.
+       (epilogue): Generate appropriate return for PIC and non-PIC code.
+
+Mon Jan 29 23:53:14 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
+
+2001-01-29  DJ Delorie  <dj@redhat.com>
+
+       * combine.c (if_then_else_cond): Pass the correct mode to
+       operand_subword() for constants.
+
+Mon Jan 29 20:38:19 2001  Christopher Faylor <cgf@cygnus.com>
+
+       * config/i386/cygwin.h: Add w32api to include search.  Search different
+       directories in a cross-build environment.
+
+2001-11-29  Tim Josling  <tej@melbpc.org.au>
+
+       * tree.h (TYPE_STUB_DECL): Add documentation.
+
+2001-11-29  Laurynas Biveinis  <lauras@softhome.net>
+
+       * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
+       (sdbout_field_types): Likwise.  Fix use of host_integerp.
+
+2001-01-29  Thomas Pfaff  <tpfaff@gmx.net>
+
+       * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
+       cygwin.h.
+
+2001-01-29  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
+       to use flag_gnu_linker.
+
+2001-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (T_BAD_DIRECTIVE): Remove.
+       (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
+
+2001-01-29  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * tree.c, tree.h (build_parse_node): Remove; was identical to
+       build_nt.
+       * c-lang.c (start_cdtor), objc/objc-act.c
+       (build_module_descriptor): Use build_nt instead of
+       build_parse_node.
+
+2001-01-29  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
+       (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
+       not have any upper bits set.
+
+2001-01-29  Phil Edwards  <pme@sources.redhat.com>
+
+       * COPYING.LIB:  Update to LGPL 2.1 from the FSF.
+
+2001-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * stmt.c (estimate_case_costs): Use integer_minus_one_node.
+
+       * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
+
+       * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
+       (integer_minus_one_node): Define.
+
+2001-01-28  Alexandre Oliva  <aoliva@redhat.com>
+
+       * Makefile.in (bootstrap2-lean): Fix typo.
+
+2001-01-28  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
+       : Don't set fe_value.
+       * cpplib.h (AVOID_LPASTE): New flag.
+       (struct cpp_hashnode): Remove fe_value.
+       * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
+       * cppmacro.c (builtin_macro): Don't set flags here.
+       (replace_args): Set AVOID_LPASTE flag on first token of an
+       argument, and the token following it.
+       (cpp_get_token): Set AVOID_LPASTE flag on first token of a
+       macro expansion, and on the token following it.  Do it for
+       builtins too.
+       * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
+
+2001-01-27  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/t-ieee: Remove multilibbing.
+       (TARGET_LIBGCC2_CFLAGS): Add -mieee.
+
+2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
+
+       * Makefile.in: Remove all dependencies on defaults.h.
+       * builtins.c: Don't include defaults.h.
+       * c-common.c: Likewise.
+       * c-decl.c: Likewise.
+       * c-pragma.c: Likewise.
+       * c-typeck.c: Likewise.
+       * combine.c: Likewise.
+       * i386.c: Likewise.
+       * frame-ia64.c: Likewise.
+       * cppexp.c: Likewise.
+       * crtstuff.c: Likewise.
+       * dbxout.c: Likewise.
+       * dwarf2out.c: Likewise.
+       * dwarfout.c: Likewise.
+       * emit-rtl.c: Likewise.
+       * except.c: Likewise.
+       * expr.c: Likewise.
+       * final.c: Likewise.
+       * frame-dwarf2.c: Likewise.
+       * libgcc2.c: Likewise.
+       * optabs.c: Likewise.
+       * profile.c: Likewise.
+       * sdbout.c: Likewise.
+       * toplev.c: Likewise.
+       * tradcif.y: Likewise.
+       * tree.c: Likewise.
+       * varasm.c: Likewise.
+
+2001-01-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.c (expand_builtin_fputs): Use size_one_node when
+       transforming into fwrite.
+
+2001-01-27  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * extend.texi (Attribute Syntax): New section.
+
+2001-01-27  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
+
+       * fixproto: Correctly install synthesized unistd.h and stdlib.h when
+       they didn't need fixing.
+
+2001-01-27  Janis Johnson <janis@us.ibm.com>
+
+       * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
+       if appropriate.
+       * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
+       to remove macro definitions that are duplicated from elfos.h.
+
+2001-01-27  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/sco5gas.h: Move ...
+       * config/usegas.h: ... here.
+       * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
+
+2001-01-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (struct constructor_stack): Add range_stack member.
+       (really_start_incremental_init): Clear it.
+       (push_init_level): Save constructor_range_stack and clear it if
+       pushing explicit braces.
+       (pop_init_level): abort if constructor_range_stack is nonzero at
+       explicit closing brace.  Restore saved constructor_range_stack if
+       not implicit.
+
+2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
+
+       * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
+       into register was forced into memory.
+
+2001-01-27  Alexandre Oliva  <aoliva@redhat.com>
+
+       * Makefile.in: Remove uses of + before $(MAKE).
+
+2001-01-26  Richard Henderson  <rth@redhat.com>
+
+       * stmt.c (cost_table): Remove.
+       (COST_TABLE, cost_table_initialized): New.
+       (estimate_case_costs): Use the later instead of the former.
+       (balance_case_nodes): Likewise.
+
+2001-01-26  Richard Henderson  <rth@redhat.com>
+
+       * alias.c (objects_must_conflict_p): Read-only slots may not
+       conflict despite having the same type.
+
+2001-01-27  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (loop_giv_reduce_benefit): Copy mode size into
+       int variable.
+       (check_ext_dependant_givs): Initialize u_start_val and
+       u_end_val.
+       (load_mems): Make last_max_reg unsigned.
+       (try_swap_copy_prop): Use INSN_P and initialize set.
+
+Fri Jan 26 23:22:58 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * README.AVR : Removed.
+
+Fri Jan 26 11:37:26 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa-64.h (text_section): Remove declaration.
+
+       * pa.md (return_internal): Remove mode on PIC register use.
+
+2001-01-25  lars brinkhoff  <lars@nocrew.org>
+
+       * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
+       ASM_CLOSE_PAREN): fix typos.
+
+2001-01-25  Mark Mitchell  <mark@codesourcery.com>
+
+       * acconfig.h: Define `const' to the empty string if neither
+       __STDC__ nor __cplusplus is defined.
+       * config.in: Regenerated.
+
+2001-01-25  David Edelsohn  <edelsohn@gnu.org>
+
+       * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
+       * collect2.c (main): Delete importf.  Add ".obj" file extension.
+       (GCC_CHECK_HDR): Handle AIX V5 new magic number.
+       (aix_std_libs): Add additional AIX libraries to skip.
+       * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
+       * config/rs6000/aix51.h: New file.
+
+2001-01-25  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
+       (loop_insn_emit_before): No longer static.
+       (move_movables): Replace emit_insn_after with loop_insn_emit_after.
+       (loop_givs_rescan, load_mems): Likewise.
+       (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
+       (maybe_eliminate_biv_1):
+       (move_movables): Replace emit_call_insn_before with
+       loop_call_insn_hoist.
+       * loop.h (loop_insn_emit_before): Add.
+       * unroll.c (copy_loop_body): Replace emit_insn_before with
+       loop_insn_emit_before.
+
+2001-01-25  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * diagnostic.c (fatal): Request preprocessed source.
+
+Thu Jan 25 02:01:16 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
+       olddecl has argument types and newdecl has none, use the argument
+       types from olddecl.
+
+2001-01-24  Ulrich Drepper  <drepper@redhat.com>
+
+       * dwarf2out.c (prefix_of): New function.  Determine longest common
+       prefix of the two arguments.  The units are whole path components.
+       (output_file_names): When adding a new directory find the one entry
+       with the longest common prefix already in the list.  Artificially
+       generate entry if there is none for this prefix.
+       Fix test to check whether the zeroth directory entry is used.
+
+Wed Jan 24 23:51:55 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
+       Changed all callers.  Take it into account when deciding if a
+       previously loaded value matches.
+
+2001-01-24  Richard Henderson  <rth@redhat.com>
+
+       * reload.c (find_reloads_subreg_address): Fail the substitution
+       if the resulting address is insufficiently aligned.
+
+2001-01-24  DJ Delorie  <dj@redhat.com>
+
+       * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
+       check the original operand's mode also.
+       * simplify-rtx.c (simplify_ternary_operation): Ditto.
+
+2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-parse.in (cast_expr): Move compound literals from here ...
+       (primary): ... to here.  Use standard terminology "compound
+       literal" instead of "constructor expression".
+
+2001-01-24  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gcc.1, cpp.1: Regenerate.
+
+2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
+
+       * calls.c (emit_library_call_value_1): Memory slot for
+       pass-by-reference argument should have the mode of the argument,
+       not of the pointer to it.
+
+2001-01-24  Tom Tromey  <tromey@redhat.com>
+
+       * gcc.texi (G++ and GCC): Mention gcj manual.
+       (Standards): Link to section of manual mentioning gcj/Java
+       compatibility.
+
+2001-01-24  Jakub Jelinek  <jakub@redhat.com>
+
+       * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
+       * cppinit.c (cpp_start_read): Remove deps_add_dep call.
+       * tradcpp.c (main): Add -imacros or -include'd dependencies
+       for -M*.
+       * cpp.texi (-M, -MM): Document -M -include behavior.
+
+2001-01-24  Roger Collins <roger@ProProject.com>
+
+       * config/i386/xm-i386.h: Make __i386__ a boolean macro.
+
+2001-01-24  Will Cohen  <wcohen@redhat.com>
+
+       * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
+       whether registers are 32 bits or 64 bits in size.
+
+2001-01-24  Ben Elliston  <bje@redhat.com>
+
+       * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
+
+2001-01-24  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (builtin_longjmp_internal): New.
+       (builtin_longjmp): Use it instead of emit_indirect_jump.
+
+2001-01-23  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * bb-reorder.c (make_reorder_chain_1): Handle case where
+       jump edge goes to the same block as the fallthru edge.
+
+2001-01-23  Jim Wilson  <wilson@redhat.com>
+
+       * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
+       * frame.h (__ia64_personality_v1): Add prototype.
+       * libgcc2.c (ia64_throw_helper): Change personality declaration to
+       prototype form.  Add void * cast to first argument to personality
+       call.
+       * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
+       (asctoe113): Likewise.
+       * config/ia64/frame-ia64.c: Include eh-common.h.
+       * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
+       prototypes.
+       * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
+       to dump parameter.
+       (itanium_split_issue): Add prototype.
+       (gen_nop_type): Ifdef out.
+       (find_best_packet): Initialize best_packet.
+       (ia64_encode_section_info): New local string.  Use for ggc_alloc_string
+       result.
+       * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
+       * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
+       (flushrs): Add explicit stop bit at end.
+       * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
+       trailing \ to >.
+
+2001-01-23  Chris Demetriou  <cgd@broadcom.com>
+
+       * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
+       of EH symbols.
+       * libgcc2.c (__terminate_func): Make variable static.
+       (__terminate_set_func): New function to set __terminate_func.
+       * libgcc2.h (__terminate_func_ptr): New typedef.
+       (__terminate_set_func): New function.
+
+2001-01-23  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (init_propagate_block_info): Don't consider unchanging
+       memories for dead frame store elimination.
+
+2001-01-23  Richard Henderson  <rth@redhat.com>
+
+       * varasm.c (UNIQUE_SECTION): Move default implementation ...
+       * defaults.h: ... here.
+
+2001-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
+
+2001-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (lex_charconst): Fix typo: s/p/str.
+
+2001-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * rs6000.h (rs6000_return_addr): Move prototype from here...
+       * rs6000-protos.h (rs6000_return_addr): ...to here.
+       (rs6000_init_expanders): Delete prototype.
+
+2001-01-23  Nick Clifton  <nickc@redhat.com>
+
+       * invoke.texi: Replace , with \, inside @gccoptlist macros.
+       (Spec Files): Document %B and %j and %. and %v3 and %M and
+       %{S*&T} spec switches.
+
+2001-01-24  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
+
+2001-01-23  Chris Demetriou  <cgd@sibyte.com>
+           Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpperror.c: Merge handlers of PEDWARN and WARNING.
+       Have -Werror make pedantic warnings errors, like the
+       rest of GCC.
+
+2001-01-23  Phil Edwards  <pme@sources.redhat.com>
+
+       * c-tree.texi (IDENTIFIER_LENGTH):  Fix typo.
+
+2001-01-23  Jakub Jelinek  <jakub@redhat.com>
+
+       * integrate.h (struct inline_remap): Add compare_src, compare_mode.
+       * integrate.c (expand_inline_function): Initialize them.
+       (subst_constants): If changing COMPARE so that both its arguments
+       will be VOIDmode and the comparison mode will be lost, note
+       compare_mode.  Use the recorded compare_mode to optimize
+       IF_THEN_ELSE.
+
+2001-01-23  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (new_die): Use xcalloc.
+       (output_die): Abort rather than emit a local reference to offset 0.
+
+2001-01-17  Andrew Haley  <aph@redhat.com>
+
+       * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
+       of a saved register; return NULL instead.
+       (copy_reg): Take a pointer to a source register rather than a
+       frame_state.
+       (next_stack_level): Remember the address in the stack frame of all
+       saved registers.
+       Use the saved register pointer array as the source of the CFA.
+       (throw_helper): Rewrite.  Unwind once rather than twice and keep
+       track of saved registers as we go.
+
+2001-01-23  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x-protos.h (c4x_legitimize_reload_address): Remove.
+       * c4x.c (c4x_legitimize_reload_address): Remove.
+       * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
+       reload address for ldp(k) insn.
+
+Mon Jan 22 20:53:47 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * pa.md (return_internal): Add a USE of the PIC register to ensure
+       it is restored after each call.
+       (return expander): Corresponding changes.
+
+2001-01-22  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * rs6000.h (INIT_EXPANDERS): Delete.
+       (RETURN_ADDR_RTX): Call rs6000_return_addr().
+       * rs6000.c (rs6000_override_options): Call *_machine_status from
+       here...
+       (rs6000_init_expanders): ...instead of here. Delete.
+       (rs6000_mark_machine_status): New function.
+       (rs6000_init_machine_status): Use xcalloc.
+       (rs6000_return_addr): Generate RTX for the return address.
+       (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
+       (rs6000_stack_info): Use it.
+
+2001-01-22  Thomas Pfaff  <tpfaff@gmx.net>
+
+       * gthr-win32.h: Include errno.h to get a declaration for
+       EINVAL and _mingw.h if the target is mingw32.
+
+2001-01-22  Andres Felipe Vargas <avargas@teletulua.com.co>
+
+       * cpp.texi: Correct typos.
+
+Mon Jan 22 13:59:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * explow.c (probe_stack_range): Ensure value passed to
+       stack_check_libfunc is ptr_mode, not Pmode.
+
+Mon Jan 22 16:53:06 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
+       case, don't use operand_subword to calculate a SUBREG that is
+       wider than a word.
+
+       * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
+
+2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
+       (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
+       valid.  If not replace it by equivalent insns.
+
+2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+       * c4x.c (c4x_check_legit_addr): Only check CONST.  Not if CONST
+       contains SYMBOL_REF, LABEL_REF and CONST_INT.
+       (c4x_U_constraint, symbolic_address_operand): Likewise.
+       (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
+       memory.
+       (c4x_r11_set_p, c4x_check_laj_p): New functions.
+       * c4x-protos.h (c4x_check_laj_p): Add prototype.
+       * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
+       anulling slot because of silicon bug.
+       (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
+
+2001-01-22  Alan Modra <alan@linuxcare.com.au>
+
+       * cppexp.c (parse_charconst):  Change `mask' type to agree
+       with parse_escape.
+
+2001-01-21  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_asm_file_end): Disable putting
+       pic_label_name in a linkonce section.
+
+2001-01-17  Philipp Thomas  <pthomas@suse.de>
+
+       * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
+       found in libintl.
+       * configure: Regenerate.
+
+Sun Jan 21 02:38:56 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
+       uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
+
+Sun Jan 21 09:44:17 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
+       If REVERSE nonzero then condition code in X must be reversed.
+       (encode_section_info): Optimize if/else.
+       (avr_function_value): Fix formatting.
+
+       * config/avr/avr.md (branch): Call to ret_cond_branch changed.
+       (difficult_branch): Likewise.
+       (rvbranch): Likewise.
+       (difficult_rvbranch): Likewise.
+
+       * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
+
+       * config/avr/libgcc.S: Fix comment.
+
+2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
+
+       * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
+
+2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
+
+       * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
+
+2001-01-20  Michael Sokolov  <msokolov@ivan.Harhan.ORG>
+
+       * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
+       * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
+       * configure, config.in: Regenerate.
+       * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
+       (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
+       (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
+       (doprint.o): New rule.
+
+2001-01-20  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-typeck.c (digest_init): Handle boolean types as scalars.
+
+Sat Jan 20 12:46:57 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * stmt.c (expand_return): Don't return anything if size is zero.
+       Delete redundant assignment to BYTES.
+       * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
+
+2001-01-20  Marek Michalkiewicz  <marekm@linux.org.pl>
+
+       * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
+       the same as the default library function names.
+       * config/avr/avr.md: Document special characters after '%'.
+       (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
+       knowing which of the call-used registers are really clobbered.
+       (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
+       New.  Both quotient and remainder from one libgcc.S call.
+       * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
+       clobber as few registers as possible.
+       * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
+
+2001-01-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmacro.c (funlike_invocation_p): Don't move back up to the
+       context of the top of the stack.
+
+2001-01-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
+       (fixup_var_refs_insns): ...here.
+
+2001-01-20  Zack Weinberg  <zack@wolery.stanford.edu>
+
+       * function.c (fixup_var_refs_insns): Break up into
+       fixup_var_refs_insn [body of loop], fixup_var_refs_insns
+       [loop over entire insn list], and fixup_var_refs_insns_with_hash
+       [loop over hash table entries].
+       (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
+       fixup_var_refs_insns_with_hash, to match above changes.
+
+2001-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
+       (libgcc.a): Likewise.
+       (stmp-multilib): Likewise.
+       (STAGE2_FLAGS_TO_PASS): Likewise.
+
+2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
+       temporary if no_new_pseudos.
+
+2001-01-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinternals.texi: Update.
+
+2001-01-19  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.c (arm_init_builtins): Re-enable builtins.
+
+Fri Jan 19 13:02:56 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
+       * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
+       element to be null, and always expect an EXPR_LIST.
+       * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
+       * sched-deps.c (sched_analyze_1): Likewise.
+       * sched-rgn.c (check_live_1, update_live_1): Likewise.
+
+       * regclass.c (max_set_parallel): New variable.
+       (reg_scan): Take it into account in computation of max_parallel.
+       (reg_scan_mark_refs, case SET): Compute it.
+
+       * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
+       args are REG.
+       * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
+       * function.c (assign_parms): Use INTVAL for a CONST_INT.
+
+2001-01-19  Jason Merrill  <jason@redhat.com>
+
+       * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
+       for the abstract instance of an inline function.
+
+Fri Jan 19 14:31:35 2001  Alexandre Oliva  <aoliva@redhat.com>
+                         J"orn Rennecke <amylaar@redhat.com>
+
+       * reload1.c (move2add_note_store): Treat all registers directly or
+       indirectly derived from a base register as members of the same set
+       of values.
+       (reload_cse_move2add): Adjust accordingly.  Take mode and offset
+       of base register into account.
+
+Fri Jan 19 09:18:42 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * alias.c (find_base_value): Recognize TRUNCATE.
+       (record_set): In PLUS case, invalidate if other summand is also a
+       base value.
+
+Thu Jan 18 06:43:04 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
+       entry to be EXPR_LIST.
+       * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
+       be an EXPR_LIST (but not null, which other code doesn't allow).
+       (note_stores): Properly handle PARALLEL in SET.
+       Recursively call for top-level PARALLEL.
+       * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
+       * sched-rgn.c (check_live_1, update_live_1): Likewise.
+
+       * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
+
+2001-01-18  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
+       not pfile->skipping (== 0).
+
+2001-01-17  Nick Clifton  <nickc@redhat.com>
+
+       * config/rs6000/rs6000.c: Add prototypes for {init|free}_
+       machine_status.
+
+2001-01-17  Jim Wilson  <wilson@redhat.com>
+
+       * invoke.texi (IA-64 options): Improve.
+
+2001-01-17  Tom Tromey  <tromey@redhat.com>
+
+       * invoke.texi (Optimize Options): Use `{}' to around @samp
+       argument.
+
+2001-01-17  Aldy Hernandez  <aldyh@redhat.com>
+
+       * invoke.texi (-fno-guess-branch-probability): New option.
+
+Wed Jan 17 13:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * combine.c (try_combine): Don't set i3_subst_into_i2 for
+       case of making new double-word constant.
+       Revert last change: instead just test i3_subst_into_i2.
+
+2001-01-17  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
+       Use q constraints instead of r.
+
+Tue Jan 16 22:23:04 2001  Alan Modra (alan@linuxcare.com.au)
+
+       * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
+       (machine_function): Define.
+       (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
+       * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
+       pa_free_machine_status): New functions.
+       (override_options): Set {init,mark,free}_machine_status to above.
+       (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
+       PIC_OFFSET_TABLE_REGNUM_SAVED.
+       * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
+       PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
+       * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
+       references to PIC_OFFSET_TABLE_REGNUM_SAVED.
+       * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+2001-01-15  DJ Delorie  <dj@redhat.com>
+
+       * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
+       (cpp.1): Ditto.
+       (gcc.1): Ditto.
+
+Tue Jan 16 17:20:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * flow.c (propagate_one_insn): Make trying to delete a prologue
+       or epilogue insn an ICE, not a warning.  Allow doing this if
+       the current function returns with stack pointer depressed.
+
+       * combine.c (try_combine): If i3_subst_into_i2, properly check for
+       I3 having more than one SET.
+
+2001-01-16  Jim Wilson  <wilson@redhat.com>
+
+       * invoke.texi: Document IA-64 options.
+
+       * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
+       (fixup_errata): Delete TARGET_A_STEP use.
+       * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
+       (TARGET_SWITCHES): Delete -ma-step option.
+       * config/ia64/ia64.md (all FP patterns): Delete %B0.
+       (movqicc_astep, movqi_internal_astep, movhicc_astep,
+       movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
+       movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
+       movdfcc_astep, movdf_internal_astep, movtfcc_astep,
+       movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
+       Delete.
+       (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
+       movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
+       cmovsi_internal): Delete ! TARGET_A_STEP check.
+
+2001-01-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * gcc.texi (Bug Lists): Do not mention newsgroups nor the
+       possibility to report bugs via postal mail. Change a URL and
+       merge in a nearly duplicate statement...
+       (Bug Reporting): ...from here.
+       (Service): Refer to the Bug Reporting section instead of
+       duplicating an URL.
+       (Contributing): Remove trivial explanations concerning snapshots.
+
+2001-01-16  Alan Modra <alan@linuxcare.com.au>
+
+       * cppmain.c (general_init): Don't use ANSI prototype.
+
+2001-01-16  Tom Tromey  <tromey@redhat.com>
+
+       * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
+
+2001-01-16  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.h: Fix comment typo.
+       * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
+       (ashr+compare patterns): Match CCGOCmode not CCNOmode.
+
+2001-01-16  Phil Edwards  <pme@sources.redhat.com>
+
+       * gcc.c:  Revert previous -fsyntax-only-related change; move
+       to cp/g++spec.c.
+
+2001-01-16  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (fcmov_comparison_operator): Only initialize
+       inmode after checking GET_CODE (op).
+
+2001-01-16  Richard Henderson  <rth@redhat.com>
+
+       * flow.c (struct propagate_block_info): Add mem_set_list_len.
+       (MAX_MEM_SET_LIST_LEN): New.
+       (propagate_one_insn): Update mem_set_list_len.
+       (invalidate_mems_from_autoinc): Likewise.
+       (invalidate_mems_from_set): Likewise.
+       (mark_used_regs): Likewise.
+       (init_propagate_block_info): Likewise.  Stop collecting memories
+       when we reach MAX_MEM_SET_LIST_LEN.
+       (mark_set_1): Likewise.
+
+2001-01-16  Richard Henderson  <rth@redhat.com>
+
+       * unroll.c (precondition_loop_p): Fail if no iteration
+       variable found.
+
+2001-01-16  Phil Edwards  <pme@sources.redhat.com>
+
+       * gcc.c:  When -fsyntax-only is given, do not complain about
+       unused libraries.
+
+2001-01-15  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (asm_output_function_prefix): Remove.
+       (ix86_asm_file_end): New.
+       (load_pic_register): Generate pic_label_name into a
+       statically allocated buffer.
+       * config/i386/i386-protos.h: Update.
+       * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
+       (ASM_FILE_END): New.
+       * config/i386/i386afe.h: New file.
+       * config.gcc (i?86-*-elf) [tm_file]: Use it.
+       (i?86-*-{freebsd,linux*,moss*}): Likewise.
+       * config/elfos.h (ASM_FILE_END): Undef before redefinition.
+       * config/i386/cygwin.h (ASM_FILE_END): Likewise.
+       * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
+       * config/i386/sco5.h (ASM_FILE_END): Likewise.
+       * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
+
+2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * Makefile.in (install-man): Remove explicit dependency on
+       $(srcdir)/gcc.1.
+
+       * configure.in, configure: Revert previous patch requiring perl
+       5.6.0.
+
+2001-01-12  Aldy Hernandez  <aldyh@redhat.com>
+
+       * toplev.c (flag_guess_branch_prob): New.
+       (f_options): Add guess-branch-probability option.
+       (rest_of_decl_compilation): Only estimate branch probability if
+       flag set.
+       (main): set flag_guess_branch_prob.
+
+       * flags.h (flag_guess_branch_prob): New.
+
+2001-01-15  DJ Delorie  <dj@redhat.com>
+
+       * gcc.texi (Makefile): Add documentation for Makefile targets.
+
+2001-01-15  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
+       (is_pic): Delete.
+       * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
+       (is_pic): Delete declaration.
+       * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
+       (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
+       * config/arm/arm.md (builtin_setjmp_receiver): New.
+
+2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.c (use_return_insn): Don't try to determine the function type
+       until after reload has completed.
+       (arm_output_epilogue): Don't adjust the sp value recovered from the
+       stack.
+       (emit_multi_reg_push): Don't record dwarf information for the pc.
+       * arm.md (eh_epilogue): The function type may have changed, so it
+       needs to be recalculated.
+       * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete.  Can now use dwarf2
+       unwind tables on arm/netbsd.
+
+2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.md (cbranchsi4): Correct calculation of branch ranges.
+       (negated_cbranchsi4): Likewise.
+
+2001-01-15  Richard Earnshaw  <rearnsha@arm.com>
+
+       * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
+       (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
+       (ASM_SPEC): Call subtarget_extra_asm_spec.  Don't
+       pass -mapcs-* options to assembler.
+       * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
+       (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
+       (ASM_SPEC): Call subtarget_extra_asm_spec.
+
+2001-01-15  Andreas Jaeger  <aj@suse.de>
+
+       * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
+       warnings.
+       (ix86_expand_builtin): Likewise.
+
+       * gencodes.c (output_predicate_decls): Make i size_t to avoid
+       warning about comparison between signed and unsigned.
+
+2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
+
+       * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
+
+2001-01-14  Ralf Baechle <ralf@gnu.org>
+
+       * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
+       SUBTARGET_CPP_SPEC appropriately.
+
+2001-01-12  Mark Mitchell  <mark@codesourcery.com>
+
+       * varasm.c (make_decl_rtl): Fix typo in last change.
+
+2001-01-14  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
+       linker supports the init_priority C++ attribute.
+       * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
+       * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
+       linker does not support init_priority C++ attribute.
+
+Sun Jan 14 22:31:30 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
+
+2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-parse.in (finish_parse): Add comment about cpp_destroy.
+       * cp/lex.c (finish_parse): Similarly.
+       * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
+       Return the number of errors encountered.
+       * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
+       * cppmain.c (main): Don't call cpp_destroy.
+
+2001-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * configure.in: Require at least perl 5.6.0 to regenerate
+       manpages.
+       * configure: Regenerate.
+
+2001-01-14  Richard Henderson  <rth@redhat.com>
+
+       * genrecog.c (DT_veclen_ge): New.
+       (add_to_sequence) [MATCH_PARALLEL]: Generate one.
+       (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
+       (nodes_identical_1): Handle DT_veclen_ge.
+       (write_cond, debug_decision_2): Likewise.
+
+2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete.  Replace
+       with ...
+       (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
+
+2001-01-14  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmain.c (do_preprocessing): New function; most of the old
+       main.
+       (main): Call it to do most of the work.
+       (cb): Move from global scope to set_callbacks ().
+       (setup_callbacks): Get the callback pointer.
+       (general_init, printer_init): Clean up code and comments.
+
+2001-01-14  Richard Earnshaw  <rearnsha@arm.com>
+
+       * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
+       compiling PIC.
+
+2001-01-14  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Update comments.
+
+Sun Jan 14 06:20:49 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * ggc-page.c (alloc_annon): Call perror and correctly call exit.
+       (alloc_page, ggc_alloc): Add casts to remove warnings.
+
+2001-01-14  Geoffrey Keating  <geoffk@redhat.com>
+
+       * combine.c (simplify_comparison): Don't change `code' when
+       can't reverse comparison.
+
+2001-01-14  Richard Henderson  <rth@redhat.com>
+
+       * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
+       update all call sites.  Return true for all non-label constants.
+
+Sun Jan 14 10:09:48 MET 2001  Jan hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_compare): Add bypass_test and second_test
+       parameters.
+       (ix86_expand_branch): Update.
+       (ix86_expand_setcc): Update to handle multiple test conditions.
+       (expand_int_movcc): Likewise.
+       (expand_fp_movcc): Likewise.
+       * i386-protos.h (ix86_expand_compare): New.
+       * i386.md (andqi_?_slp, orqi_?_slp): New.
+       (conditional trap expander): Update call to ix86_expand_compare.
+
+2001-01-14  Richard Henderson  <rth@redhat.com>
+
+       * config/vax/vax.md: Use nonimmediate_operand instead of
+       general_operand in destinations.
+
+       * config/vax/vax.md (indirect_jump): Use register_operand.
+
+       * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
+       * config/vax/vax.md (call_pop): Turn into an expander.
+       (call_value_pop): Likewise.
+       (call, call_value): New.
+
+2001-01-14  Andreas Jaeger  <aj@suse.de>
+
+       * config/i386/i386.c (ix86_split_fp_branch): Remove unused
+       variables.
+       (ix86_fp_compare_mode): Add unused attribute.
+       (ix86_expand_fp_movcc): Remove unused variable.
+       (ix86_expand_builtin): Make fcode unsigned.
+
+       * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
+       (expand_expr): Add cast to avoid signed warning.
+       (store_field): Likewise.
+       (store_constructor_field): Likewise.
+       (store_constructor): Likewise.
+       (store_expr): Likewise.
+       (clear_storage): Likewise.
+       (emit_group_store): Likewise.
+       (emit_group_load): Likewise.
+
+2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c: Move format checking code to ...
+       * c-format.c: ... here.  New file.  Reorder some functions and
+       declarations.
+       (decl_handle_format_attribute, decl_handle_format_arg_attribute):
+       New functions.
+       * c-common.h (decl_handle_format_attribute,
+       decl_handle_format_arg_attribute): Declare.
+       * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
+       (c-common.o): Adjust dependencies.
+       (c-format.o): New list of dependencies.
+
+2001-01-13  Jakub Jelinek  <jakub@redhat.com>
+
+       * unroll.c (loop_iterations): If we cannot prove iteration variable
+       is set once in each iteration, punt.
+
+Sun Jan 14 00:23:15 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
+       (*strlenhi): Remove clobber (which was buggy) of output address.
+
+2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * Makefile.in (generated-manpages): Add gcc.1
+       ($(srcdir)/gcc.1): New target.
+       (maintainer-clean): Delete $(srcdir)/gcc.1.
+       * gcc.texi: Add macros @gccoptlist and @gol.
+       * invoke.texi: Include option summary in manpage.  Mark up option
+       summary with @gccoptlist and @gol.  Use @r in one place where
+       appropriate.
+       * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
+       * gcc.1: Generate from invoke.texi.
+
+2001-01-13  Richard Henderson  <rth@redhat.com>
+
+       * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
+       (struct page_entry): Add group member.
+       (struct page_group): New.
+       (struct globals): Add page_groups member.
+       (alloc_anon): Only define for using mmap; remove valloc call.
+       (page_group_index): New.
+       (set_page_group_in_use): New.
+       (clear_page_group_in_use): New.
+       (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
+       (free_page, release_pages): Likewise.
+       * configure.in (with-gc): Default to ggc-page always.
+
+2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * reload1.c (replace_pseudos_in_call_usage): Use
+       reg_equiv_constant and reg_equiv_address, and don't try
+       regno_reg_rtx first.
+
+2001-01-13  Richard Henderson  <rth@redhat.com>
+
+       * ggc-page.c (alloc_page): Round up allocation size to one page.
+       Set e->order on extra pages.
+
+2001-01-13  Richard Henderson  <rth@redhat.com>
+
+       * genrecog.c (nodes_identical): Expand commentary.
+       (write_switch): Watch out for identical nodes.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppfiles.c (_cpp_fake_include): New function.
+       * cpphash.h (_cpp_fake_include): New.
+       * cpplib.c (do_line): Call _cpp_fake_include when entering
+       header files in preprocessed input.
+       * cppmain.c (cb_pragma_implementation): Remove handling.
+       (setup_callbacks): Don't register pragmas.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * extend.texi: Udate for CPP.
+
+2001-01-13  Andreas Jaeger  <aj@suse.de>
+
+       * reload1.c: Add prototype for replace_pseudos_in_call_usage.
+
+       * regmove.c: Add prototype for replace_in_call_usage.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
+       struct cpp_chunk, struct htab, struct toklist,
+       struct cpp_context, CPP_STACK_MAX, struct lexer_state,
+       struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
+       CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
+       ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
+       (struct macro_args): Delete.
+       * cpphash.h: See above.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppmain.c (struct printer): Remove no_line_dirs.
+       (options, cb): New.
+       (main, setup_callbacks, scan_buffer, printer_init, cb_define)
+       : Use options rather than CPP_OPTION.
+       (setup_callbacks): Use cb rather than pfile->cb.
+       (main): No need to check for a buffer.  Use cpp_errors.
+       (printer_init): Don't set no_line_dirs.
+       (maybe_print_line): Use options not no_line_dirs.
+       (cb_file_change): Don't call print_line if -P.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
+       callbacks.
+       * c-parse.in (finish_parse): Use cpp_errors.
+       (__yylex): Use return value of cpp_pop_buffer.
+       * cp/lex.c (finish_parse): Use cpp_errors.
+       * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
+
+Sat Jan 13 16:57:40 2001  Denis Chertykov  <denisc@overta.ru>
+
+       * README.AVR: URLs corrected.
+
+Sat Jan 13 07:30:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * c-decl.c (start_function): Don't warn if old prototype is builtin
+       that's not in C's namespace.
+       * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
+       (_bb): Add prototype for ctime.
+       * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
+
+Sat Jan 13 09:53:32 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_fp_comparison_arithmetics_cost,
+       ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
+       ix86_fp_comparison_cost): New functions.
+       (ix86_expand_fp_compare): Use the costs to choose best bethod; add
+       two new parameters SECOND_TEST and BYPASS_TEST; allow generating
+       two-branch sequences; make static.
+       (ix86_use_fcomi_compare): Do decision according to the costs.
+       (split_fp_branch): New.
+       * i386.md (compare-and-branch patterns): Use split_fp_branch.
+       * i386-protos.h (ix86_expand_fp_compare): Remove
+       (ix86_split_fp_branch): Declare.
+
+       * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
+       and ix86_comparison_operator.
+
+       * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
+       to make it cheaper.
+
+       * i386.c (put_condition_code): Output properly the unordered/ordered
+       compares in fp case.
+       (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
+
+       * tm.texi (REVERSE_CONDITION): Document.
+       * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
+       in -ffast-math mode.
+       * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
+
+2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
+
+       * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
+       optimized away.
+
+       * config/sh/sh.c (mova_p): Fix test for mova_const.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * fix-header.c (read_scan_file): Use cpp_get_callbacks and
+       cpp_get_options rather than dereferencing pfile and using
+       CPP_OPTION.
+       * scan-decls.c (scan_decls): Use return value of
+       cpp_pop_buffer rather than CPP_BUFFER.
+
+2001-01-13  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (cpp_handle_option): help_only is now part of the
+       cpp_options structure.
+       * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
+       cpp_set_callbacks): New functions.
+       * cpplib.h (cpp_callbacks): Break out as a named structure.
+       (cpp_options): Move help_only here from cpp_reader.
+       (CPP_FATAL_ERRORS): Update to use cpp_errors.
+       (cpp_errors, cpp_get_options, cpp_get_callbacks,
+       cpp_set_callbacks): New prototypes.
+       * cppmain.c (main): Update for help_only.
+
+2001-01-13  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * Makefile.in (info, maintainer-clean, install-info, uninstall):
+       Also build and remove and install and uninstall c-tree.info and
+       cppinternals.info.
+       ($(srcdir)/gcc.info): Add dependency on contrib.texi.
+       ($(srcdir)/cppinternals.info): New target.
+       * c-tree.texi: Change file name used when makeinfo used without -o
+       from ir.info to c-tree.info.  Add info directory entry.
+       * cppinternals.texi: Add info directory entry.
+       * .cvsignore: Update.
+
+2001-01-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-typeck.c (store_init_value): Don't require constant initializer
+       elements with -pedantic -std=c99.
+       (digest_init): Change error about non-constant initializer elements
+       into pedwarn.
+       (constructor_range_end): Remove.
+       (constructor_incremental, designator_depth,
+       designator_errorneous): New variables.
+       (struct constructor_stack): Remove range_end, add incremental.
+       (struct constructor_range_stack, constructor_range_stack): New.
+       (struct initializer_stack): Add constructor_range_stack.
+       (finish_init): Set it.
+       (start_init): Likewise.  require_constant_elements for non-static
+       trees only if not flag_isoc99.
+       (really_start_incremental_init): Remove constructor_range_end, add
+       constructor_incremental.
+       (pop_init_level): Likewise.
+       (push_init_level): Likewise.  If implicit and the subobject had some
+       value set already, preinitialize the level with it.
+       Warn about missing braces only if not pushing due to designators.
+       (set_designator, push_range_stack): New functions.
+       (set_init_label): Use them.
+       (set_init_index): Likewise.  Remove constructor_range_end.
+       Error if designator index is outside of array bounds.
+       (add_pending_init): Compare values of purpose index trees, not the
+       trees themselves.  Allow overwriting of already initialized element.
+       Issue a warning if it had side-effects.
+       (set_nonincremental_init, set_nonincremental_init_from_string): New
+       functions.
+       (pending_init_member): Rename to...
+       (find_init_member): ...this function.  Call set_nonincremental_init
+       if necessary.  Compare values of purpose index trees, not the trees
+       themselves.  Return the actual value, not just nonzero if something
+       is found.
+       (output_init_element): Remove checks for duplicates.
+       If field has zero size, only check the initializer for correctness.
+       Call set_nonincremental_init if necessary.  Push RECORD/ARRAY into AVL
+       if constructor_incremental is zero.  Change error about initializers
+       not computable at load time into pedwarn.
+       (output_pending_init_elements): Compare bit positions, not
+       FIELD_DECLs to take into account zero-sized fields.
+       (process_init_element): Use constructor_range_stack to fill all
+       ranges in the designator lists from current level up.
+       * extend.texi: Update documentation for labeled elements.
+
+2001-01-12  Alexandre Oliva  <aoliva@redhat.com>
+
+       * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
+       to function usage for arguments passed by reference.  Optimize
+       callee-copied arguments.
+       * regmove.c (replace_in_call_usage): New function.
+       (fixup_match_1): Call it.
+       * cse.c (cse_insn): Canonicalize registers in function usage.
+       * reload1.c (replace_pseudos_in_call_usage): New function.
+       (reload): Call it.
+
+       * Makefile.in: Reverted yesterday's wrong patch.  Installed the
+       right version.
+
+2001-01-12  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
+       not XEXP (tmp, 0).
+
+2001-01-12  DJ Delorie  <dj@redhat.com>
+
+       * Makefile.in (bootstrap): rename stages to be mnemonic.  Add
+       restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
+       targets.
+
+2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
+       tm.texi: Consistently refer to ISO C instead of ANSI C.  Refer to
+       -std options alongside references to -ansi.  Update some
+       documentation for C99.
+       * cpp.1: Regenerate.
+
+2001-01-12  Andreas Jaeger  <aj@suse.de>
+
+       * haifa-sched.c (restore_line_notes): Remove argument block B
+       since it's unused.
+       * sched-ebb.c (schedule_ebb): Change caller.
+       * sched-rgn.c (schedule_region): Likewise.
+       * sched-int.h (restore_line_notes): Adjust prototype.
+
+       * loop.h: Remove wrong declaration of doloop_condition_get.
+
+2001-01-12  Phil Edwards  <pme@sources.redhat.com>
+
+       * extend.texi:  Move C++-extension-related node from the C section
+       into the C++ section.
+
+2001-01-12  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * extend.texi: Refer to an array of pointers to functions instead
+       of one of functions.
+
+Fri Jan 12 12:08:12 MET 2001  Andreas Jaeger  <aj@suse.de>
+                             Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (reversed_comparison): Fix typo in last patch.
+       Check X for NULL.
+       (combine_reversed_comparison_code): Make static to follow
+       prototype declaration.
+
+2001-01-12  Phil Edwards  <pme@sources.redhat.com>
+
+       * install.texi:  Remove misplaced duplicate entry.
+
+2001-01-11  Ulrich Drepper  <drepper@redhat.com>
+
+       * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
+
+Thu Jan 11 17:06:30 EST 2001  John Wehle  (john@feith.com)
+
+       * final.c: (leaf_function_p): Fix typo.
+
+2001-01-11  Zack Weinberg  <zack@wolery.stanford.edu>
+
+       * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
+       Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
+       which you have.
+       (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
+       * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
+       mmap_anon, and valloc is available.
+       * ggc-page.c: Restructure ifdef logic to match new autoconf
+       spec.  Don't throw away the test page in init_ggc.
+
+       * configure, config.in: Regenerate.
+
+2001-01-12  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.h (total_biv_increment): Constify iv_class pointer.
+       (struct induction): Replace `mem_mode' with `mem' rtx.
+       * unroll.c (total_biv_increment): Constify iv_class pointer.
+       * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
+       (find_mem_givs, combine_givs_p): Likewise.
+       (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
+
+2001-01-10  Thomas Pfaff <tpfaff@gmx.net>
+
+       * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
+       LastError.
+       (__gthread_getspecific): Ditto.
+
+Fri Jan 12 00:04:00 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
+       put_condition_code): Convert fp comparison codes to integer
+       before handling.
+       (ix86_expand_fp_compare): Postnote the fp comparison code conversion
+       to final.
+
+       * i386.c (unsigned_comparison, no_comparison_operator): Kill.
+       * i386-protos.h (no_comparison_operator): Kill.
+
+       * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
+
+       * combine.c (REVERSIBLE_CC_MODE): Remove.
+       (reversible_comparison_p): Remove.
+       (combine_reversed_comparison_code): New.
+       (reversed_comparison): New.
+       (combine_simplify_rtx): Use
+       combine_reversed_comparison_code/reversed_comparison instead
+       of reversible_comparison_p.
+       (simplify_if_then_else): Likewise.
+       (simplify_set): Likewise.
+       (simplify_logical): Likewise.
+       (if_then_else_cond): Likewise.
+       (known_cond): Likewise.
+       (simplify_comparison): Likewise.
+
+2001-01-11  Alan Lehotsky  <lehotsky@tiac.net>
+
+       * builtins.c (std_expand_builtin_va_start): Handle varargs when
+       sizeof (int) is larger than sizeof(__word__).
+
+2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (do_includes): Fix typo.
+
+2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
+       in S_REGS does not occur because not all sources are possible
+       when a S_REGS is a destination (sometimes needs a clobber).
+       (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
+       (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
+       (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
+       (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
+       (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
+       (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
+       (lshrdi_const1, lshrsi3_const16): Likewise.
+       (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
+       (*movhi_68hc12, *movqi_68hc12): Likewise.
+       (movstrictqi): Make sure reloading in D_REGS as a destination
+       does not happen.
+
+2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
+
+2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
+       -D, -U and -A, and don't initialize the builtins.
+       (do_includes): Error if -include or -imacros with -fpreprocessed.
+       * cppmain.c (cb_define, cb_undef): Unconditionally process
+       the callback.
+       * tradcpp.c (main): Fix typo.
+
+2000-01-11  Mark Elbrecht  <snowball3@bigfoot.com>
+
+       * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
+       (read_name_map): Use IS_ABSOLUTE_PATH.
+       * tradcpp.c (get_filename): Likewise.
+
+2001-01-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
+
+       * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
+       (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
+       (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
+       (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
+       (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
+       (cmphi_z_used): Don't use '@' for the output.
+       (tstqi_z_used): Likewise.
+       (cmpqi_z_used): Likewise.
+       (one_cmplsi2): Likewise.
+
+2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.c (barrier_align): Recognize branch around far
+       branch and redundant insn.
+
+2001-01-11  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * invoke.texi: Restore documentation of the drivers' switches -MD
+       and -MMD.
+
+2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
+
+       * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
+       check-objc//%): Support parallel testing of multilibs.
+       (TESTSUITEDIR): Set to testsuite by default, but override for
+       parallel testing.
+       (check-gcc, check-g++, check-g77, check-objc): Enter
+       $(TESTSUITEDIR).
+
+2001-01-11  Bernd Schmidt  <bernds@redhat.com>
+
+       * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
+       * sched-deps.c (deps_may_trap_p): Likewise.
+       * basic-block.h: Remove a comment.
+       * flow.c (PROP_POSTRELOAD): Remove.
+       (update_life_info): Don't add it to prop_flags.
+       (mark_set_1): Lose the code that was enabled by it.
+
+2001-01-11  Michael Hayes  <mhayes@redhat.com>
+
+       * flow.c (flow_call_edges_add): New.
+       * basic_block.h (flow_call_edges_add): New.
+
+2001-01-11  J"orn Rennecke <amylaar@redhat.com>
+
+       * reload1.c (move2add_note_store): Update reg_set_luid even if
+       base reg remains the same.
+
+2001-01-10  Nick Clifton  <nickc@redhat.com>
+
+       * config/d30v/d30v.c (d30v_init_machine_status): Initialize
+       machine_function structure to zero.
+       Add prototypes for machine_status functions.
+
+2001-01-10  Mark Mitchell  <mark@codesourcery.com>
+
+       * c-common.h (CTI_VOID_LIST): Remove.
+       (void_list_node): Likewise.
+       * tree.h (TI_VOID_LIST_NODE): New enumeral.
+       (void_list_node): New macro.
+       * config/arm/arm.c (arm_init_builtins): Use void_list_node.
+       * config/i386/i386.c (ix86_init_builtins): Likewise.
+       * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
+
+2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * Makefile.in (tradcpp0): Depend on mkdeps.h.  Link mkdeps.o
+       * cppinit.c (cpp_start_read): Update comment, remove unneeded
+       if statement.
+       * tradcpp.c: Include mkdeps.h.
+       (deps, print_deps_phony_targets, deps_append, output_deps,
+       init_dependency_output, output_deps): New.
+       (deps_buffer, deps_allocated_size, deps_size, deps_column,
+       deps_output): Delete.
+       (print_deps_missing_files): Rename deps_missing_files.
+       (inhibit_output): Make global.
+       (main): Delete inhibit_output, deps_stream, deps_target.
+       Use mkdeps functionality in the same way as cpplib.  Remove
+       -g3 handling.  Handle -MF, -MP, -MQ, -MT.  Update handling of
+       -M and -MM.  Remove old handling of deps via deps_out, and
+       old reading of environment variables.
+       (get_filename): Update to use deps_add_dep.
+
+2001-01-10  Mark Mitchell  <mark@codesourcery.com>
+
+       * output.h (make_function_rtl): Remove prototype.
+       (make_decl_rtl): Likewise.
+       * varasm.c (make_function_rtl): Remove.
+       (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
+       than from a third parameter.
+       * tree.h (make_decl_rtl): Remove last parameter.
+       * c-decl.c (builtin_function): Remove last argument in call to
+       make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
+       (start_function): Likewise.
+       * except.c (call_get_eh_context): Likewise.
+       * expr.c (emit_block_move): Likewise.
+       (clear_storage): Likewise.
+       * profile.c (output_func_start_profiler): Likewise.
+       * toplev.c (rest_of_decl_compilation): Likewise.
+       * objc/objc-act.c (create_builtin_decl): Likewise.
+       (synth_module_prologue): Likewise.
+       (generate_static_reference): Likewise.
+       (build_selector_reference_decl): Likewise.
+       (build_class_reference_decl): Likewise.
+       (build_objc_string_decl): Likewise.
+       (build_protocol_reference): Likewise.
+
+2001-01-10  Richard Henderson  <rth@redhat.com>
+
+       * hwint.h: Revert yesterday's change.
+
+2001-01-10  Nick Clifton  <nickc@redhat.com>
+
+       * function.h (save_machine_status): Delete.
+       (restore_machine_status): Delete.
+       Amend comment describing {init|mark|free}_machine_status.
+
+       * function.c (save_machine_status): Delete.
+       (restore_machine_status): Delete.
+       Amend comment describing {init|mark|free}_machine_status.
+       (push_function_context_to): Remove invocation of
+       save_machine_status.
+       (pop_function_context_from): Remove invocation of
+       restore_machine_status.
+
+       * emit-rtl.c (init_emit_once): Amend comment describing
+       {init|mark|free}_machine_status.
+
+       * tm.texi (Per-Function Data): New node.  Describe the
+       INIT_EXPANDERS macro and the {init|mark|free}_machine_status
+       function pointers.
+
+2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (OPT_g): Remove.
+       (cpp_handle_option): Update for removed -g3.
+       (print_help): Update.
+       * cpplib.h (struct cpp_options): Remove debug_output.
+       * cppmain.c (setup_callbacks, cb_define): Update.
+       * gcc.c (cpp_options): Translate -g3 to -dD.
+
+2001-01-10  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/i960/i960.md: Change modifier to + on the zero_extract
+       pattern after the (rotate -2 reg) canonicalization pattern.
+
+2001-01-10  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (alpha_free_machine_status): New.
+       (override_options): Install it.
+       (alpha_mark_machine_status): Verify machine non-null.
+       * config/i386/i386.c (ix86_free_machine_status): New.
+       (override_options): Install it.
+       (ix86_init_machine_status): Use xcalloc.
+       (ix86_mark_machine_status): Verify machine non-null.
+       * config/ia64/ia64.c (ia64_free_machine_status): New.
+       (ia64_override_options): Install it.
+       (ia64_mark_machine_status): Verify machine non-null.
+
+Wed Jan 10 11:34:39 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * function.c (instantiate_virtual_regs): Instantiate virtual
+       registers found in CALL_INSN_FUNCTION_USAGE.
+
+2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
+       equivalent to -ansi in disabling -Di386.
+
+Wed Jan 10 16:38:31 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
+       new functions.
+       (ix86_expand_fp_compare): Make trivial use of new infrastructure.
+
+2001-01-10  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
+
+2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * invoke.texi: Document that -fcond-mismatch isn't supported for
+       C++.
+
+2001-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * gcc.texi: Define macro gcctabopt.
+       * invoke.texi: Add manpage sections BUGS and AUTHOR.  Use
+       @command, @env and @option in some places where appropriate.  Use
+       @gcctabopt where appropriate.  Put URLs and email addresses inside
+       @w.
+
+2001-01-10  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * gcc.c (cpp_options): Set MD file name from output
+       filename, if specified.
+       (suffix_subst): New static variable.
+       (do_spec): Clear it.
+       (do_spec_1, case '.'): Handle new `%.suffix' spec.
+       Clear it.
+       (give_switch): Handle suffix_subst.
+
+2001-01-10  Phil Edwards  <pme@sources.redhat.com>
+
+       * invoke.texi:  Fix another typo.
+
+2001-01-10  Phil Edwards  <pme@sources.redhat.com>
+
+       * invoke.texi:  Fix typo.
+
+2001-01-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lang.c (lang_hooks): Update.
+       (lang_decode_option): Remove.
+       (lang_init_options): Rename c_init_options.
+       * toplev.c (main): Use lang_hooks for lang_init_options
+       and lang_decode_option.
+       * toplev.h (lang_hooks): Add 2 new hooks.
+       * tree.h: Remove lang_init_options and lang_decode_option.
+       * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
+       * cp/decl2.c: Similarly.
+       * cp/lex.c (lang_init_options): Rename cxx_init_options.
+       (lang_hooks): Update.
+       * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
+       for consistency.
+       (lang_init_options): Rename ffe_init_options.
+       (lang_hooks): Update.
+       (lang_decode_option): Remove.
+       * java/lang.c (lang_init_options): Rename java_init_options.
+       (lang_decode_option): Rename java_decode_option.
+       (lang_hooks): Update.
+       * objc/objc-act.c (lang_init_options): Rename objc_init_options.
+       (lang_decode_option): Rename objc_decode_option.
+       (lang_hooks): Update.
+
+2001-01-09  Nick Clifton  <nickc@redhat.com>
+
+       * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
+       (d30v_return_addr_rtx): Delete.
+       (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
+       cfun->machine structure.
+       (struct machine_function): Move to d30v.h
+       (d30v_save_machine_status): Delete.
+       (d30v_restore_machine_status): Delete.
+       (d30v_init_machine_status): New Function.
+       (d30v_mark_machine_status): New Function.
+       (d30v_free_machine_status): New Function.
+       (d30v_init_expanders): Use new functions.
+       (d30v_return_addr): Use ra_rtx field in cfun->machine.
+       (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
+       d30v_return_addr_rtx.
+
+       * config/d30v/d30v.h (struct_machine): Move here.
+       Add eh_epilogue_sp_ofs field.
+
+       *config/d30v/d30v.md (epilogue): Initialize eh_epilogue_sp_ofs
+       field in cfun->machine structure.
+
+Tue Jan  9 21:34:57 2001  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
+       PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
+       * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+Tue Jan  9 21:25:19 2001  Jeffrey A Law  (law@cygnus.com)
+
+       * objc/lang-options.h: Remove bogus reference to
+       Java trademark.
+
+2001-01-09  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
+       return the result.
+
+2001-01-09  Alan Lehotsky  <lehotsky@tiac.net>
+
+       * reload.c (find_reloads_address): Check for eliminable registers
+       when substituting a constant expression for a pseudo.
+
+2001-01-09  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (enum format_type): Add format_type_error.
+       (decode_format_type): New function.
+       (decl_attributes): Use it.
+       (format_kind_info): Adjust comment.
+
+2001-01-09  David O'Brien  <obrien@BSDi.com>
+
+       * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
+       i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
+       files in tm_file.
+       * config/i386/gnu.h: Don't include required platform specific .h files,
+       tm.h will do it instead.
+       * config/i386/i386elf.h: Likewise.
+       * config/i386/linux.h: Likewise.
+       * config/i386/moss.h: Likewise.
+       * config/mips/gnu.h: Likewise.
+
+2001-01-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
+       (rs6000-ibm-aix3.[01]*): Likewise.
+       (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
+       (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
+       (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
+       (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
+       (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
+       (powerpc-*-eabiaix*): Likewise.
+       (powerpc-*-eabisim*): Likewise.
+       (powerpc-*-elf*): Likewise.
+       (powerpc-*-eabi*): Likewise.
+       (powerpc-*-rtems*): Likewise.
+       (powerpc-*-linux*libc1): Likewise.
+       (powerpc-*-linux*): Likewise.
+       (powerpc-wrs-vxworks*): Likewise.
+       (powerpcle-wrs-vxworks*): Likewise.
+       (powerpcle-*-sysv*): Likewise.
+       (powerpcle-*-elf*): Likewise.
+       (powerpcle-*-eabisim*): Likewise.
+       (powerpcle-*-eabi*): Likewise.
+       (powerpcle-*-solaris2*): Likewise.
+       * config/rs6000/aix31.h: Delete includes.
+       * config/rs6000/aix3newas.h: Likewise.
+       * config/rs6000/aix41.h: Likewise.
+       * config/rs6000/aix43.h: Likewise.
+       * config/rs6000/beos.h: Likewise.
+       * config/rs6000/rtems.h: Likewise.
+       * config/rs6000/sysv4.h: Likewise.
+
+2001-01-09  Kazu Hirata  <kazu@hxi.com>
+
+       * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
+       Change an argument mode of machine_mode to shift_mode of
+       shift_mode.  Remove an extra error check.
+       (emit_a_shift): Adopt to the new calling prototype of
+       get_shift_alg.
+       (function_prologue): Fix code for a monitor
+       function.  Support H8S.
+       (function_epilogue): Do not output pop for a monitor function.
+
+2001-01-09  Nick Clifton  <nickc@redhat.com>
+
+       * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
+       (setup_incoming_varargs): Use sysv_varargs_p field of the
+       cfun->machine structure.
+       (struct machine_function): Move to rs6000.h
+       (rs6000_save_machine_status): Delete.
+       (rs6000_restore_machine_status): Delete.
+       (rs6000_init_machine_status): New Function.
+       (rs6000_free_machine_status): New Function.
+       (rs6000_init_expanders): Use new functions.
+
+       * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
+       export.
+       (struct machine_function): Move here.
+
+       * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
+       sysv_varargs_p field of the cfun->machine structure.
+
+       * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
+       Remove prototype.
+       (rs6000_restore_machine_status): Remove prototype.
+
+2001-01-09  Richard Henderson  <rth@redhat.com>
+
+       * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
+       reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
+       * sched-deps.c (sched_analyze_1): Update uses of struct deps.
+       (sched_analyze_2, sched_analyze_insn): Likewise.
+       (sched_analyze, init_deps): Likewise.
+       (free_deps): Likewise.  Iterate with EXECUTE_IF_SET_IN_REG_SET.
+       * sched-rgn.c (propagate_deps): Likewise.  Remove max_reg argument.
+       (compute_block_backward_dependences): Update propagate_deps call.
+
+2001-01-09  Mark Elbrecht  <snowball3@bigfoot.com>
+
+       * gcc.c (process_command): Set switches[n_switches].ordering to 0.
+
+2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (OPT_MD, OPT_MMD): Restore.
+       (cpp_handle_option): Handle them.
+       (cpp_post_options): Ensure one of -M or -MM is specified with
+       any other -M? option.
+       (init_dependency_output): Suppress output with -MG.
+
+2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update.
+       * invoke.texi: Update.
+
+2001-01-09  Bernd Schmidt  <bernds@redhat.com>
+
+       * sh.md (reload_outsf): Generate recognizable patterns for
+       TARGET_SH3E.
+
+2001-01-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lang.c (lang_hooks): Update.
+       (lang_init): Rename c_init.
+       (lang_finish): Remove.
+       * toplev.c (compile_file): Use lang_hooks for lang_init ()
+       and lang_finish ().
+       * toplev.h (lang_hooks): Add init () and finish ().
+       * tree.h (lang_init, lang_finish): Remove.
+       * cp/tree.h (lang_init, lang_finish): Remove.
+       * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
+       * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
+       lang_hooks): New.
+       (lang_init, lang_finish): Remove.
+       * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
+       (lang_hooks): Update.
+       * java/lang.c (lang_init): Rename java_init.
+       (lang_finish): Remove.
+       (lang_hooks): Update.
+       * objc/objc-act.c (lang_init): Rename objc_init.
+       (lang_finish): Remove.
+       (lang_hoooks): Update.
+
+2001-01-09  Graham Stott  <grahams@redhat.com>
+
+       * cppfiles.c (_cpp_execute_include): Move `len` initialisation
+       after `ptr` is initialized.
+
+2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
+       (INITIALIZE_TRAMPOLINE): Adjust accordingly.
+       * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
+       stack adjusts, instead of r3.
+
+2001-01-09  Michael Hayes  <mhayes@redhat.com>
+
+       * flow.c (flow_loop_scan): Break out of ...
+       (flow_loops_find) ... here.
+       * basic-block.h (flow_loop_scan): New.
+       (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
+       (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
+
+2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
+
+       * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
+       macro_buffer_len.
+       * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
+       realloc()ing macro_buffer.
+
+       * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
+       if it's wider than long and the target's long is wider than the
+       host's.
+
+2001-01-09  Mark Mitchell  <mark@codesourcery.com>
+
+       Remove support for using UWIN as a host machine.
+       * configure.in: Issue an error message.
+       * configure: Regenerated.
+       * config.gcc: Remove xm_* UWIN configury.
+       * config/i386/xm-uwin.h: Remove.
+
+2001-01-08  Nick Clifton  <nickc@redhat.com>
+
+       * config/v850/v850.c (ra_rtx): Delete.
+       (v850_save_machine_status): Delete.
+       (v850_restore_machine_status): Delete.
+       (v850_init_machine_status): New function.
+       (v850_mark_machine_status): New function.
+       (v850_free_machine_status): New function.
+       (v850_return_addr): Use ra_rtx field in machine structure.
+       (v850_init_expanders): Use new functions.
+
+       * config/v850/v850-protos.h: Fix prototypes for v850_output_*
+       * config/v850/v850.c: Change arguments to v850_output+* functions
+       to take a const char *, to avoid compile time warning.
+       * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
+       (USER_LABEL_PREFIX): Redefine.
+
+2000-01-08  Jim Wilson  <wilson@redhat.com>
+
+       * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
+       1 to unsigned HOST_WIDE_INT before left shift.
+
+2001-01-08  Nick Clifton  <nickc@redhat.com>
+
+       * config/arm/arm.c (arm_mark_machine_status): Check to see if
+       the machine structure has been allocated.
+       (arm_free_machine_status): New function: Free the machine
+       specific function structure.
+
+2001-01-08  Richard Henderson  <rth@redhat.com>
+
+       * jump.c (simplejump_p): Revert last change.
+
+2001-01-08  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cppinit.c (init): Rename init_library.
+       (cpp_create_reader): Update.
+       * gcc.c (cpp_options): If -o given, use it as the target of
+       any -M options.
+
+2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.c (arm_arch5e): New variable.
+       (all_cores): XScale is a 5TE device.
+       (arm_override_options): Set arm_arch5e.
+       (arm_init_builtins): __builtin_prefetch is in arch5e.
+       * arm.h (arm_arch5e): Declare it.
+
+       * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
+
+       * arm.md (define_constants): Add defines for UNSPEC and
+       UNSPEC_VOLATILE insns.  Update all users.
+       (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
+       * arm.c (multi_register_push, note_invalid_constants)
+       (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
+       * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
+       (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
+
+Mon Jan  8 16:14:56 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (jump_optimize_1): Use reversed_comparison_code
+       instead of can_reverse_comparison_p.
+       (jump_back_p): Likewise.
+       (invert_exp_1): Likewise.
+       (thread_jumps): Likewise.
+       * simplify-rtx.c (simplify_unary_operation): Likewise.
+       (simplify_ternary_operation): Likewise.
+       * cse.c (find_comparison_args): Convert to use
+       can_reverse_comparison_p.
+       (record_jump_equiv): Likewise.
+
+2001-01-08  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.h (HARD_REGNO_RENAME_OK): Delete.
+       (EPILOGUE_USES): Define.
+       (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
+       automatically stack the LR if it isn't live.
+
+Mon Jan  8 13:46:02 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
+       properly.
+
+Sun Jan  7 18:37:43 2001  Mark P Mitchell  <mark@codesourcery.com>
+
+       * ggc-page.c (max_alignment): New structure.
+       (MAX_ALIGNMENT): New macro.
+       (init_ggc): Use it to round up the sizes in the
+       extra_order_size_table.
+
+2001-01-07  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
+       after reload.
+
+2001-01-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.def (BUILT_IN_FPRINTF): New entry.
+
+       * c-common.c (c_expand_builtin_fprintf): New function.
+       (init_function_format_info): Handle __builtin_fprintf.
+       (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
+       (c_expand_builtin): Handle BUILT_IN_FPRINTF.
+
+       * c-decl.c (duplicate_decls): Adjust comment.
+
+       * extend.texi (fprintf): Document new builtin.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * jump.c (simplejump_p): Recognize any single_set jump
+       of the proper form.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * configure.in (slibdir): Accept an --with-slibdir option.
+       Use "test" not "[" in configure.  Default to $(libdir).
+
+       * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
+       fix typo in rm -f.
+       * config/t-aix43 (SHLIB_INSTALL): Likewise.
+       * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
+       (SHLIB_LINK): Create links for the soname.
+       * config/mips/t-iris6: Likewise.
+       * config/sparc/t-slibgcc: Likewise.
+       * config/sparc/t-slibgcc-sld: Likewise.
+
+2001-01-07  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (constant_call_address_operand): Accept
+       (const (plus (symbol_ref) (const_int))).
+       * config/i386/i386.h (PREDICATE_CODES): Add CONST for
+       constant_call_address_operand.
+
+2001-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
+       and LONG_LONG_TYPE_SIZE > 32.
+
+2001-01-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+       * jump.c (reversed_comparison_code_parts): Fix typo introduced by
+       the previous change.
+
+Sun Jan  7 19:37:48 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
+       New.
+       (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
+       (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
+       * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
+       Declare.
+
+2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * fix-header.c (read_scan_file): s/pfile/scan_in/.
+
+2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lang.c (c_post_options): Call cpp_post_options.
+       * objc/objc-act.c (objc_post_options): Similarly.
+       * cppmain.c (main): Similarly.
+       * fix-header.c (read_scan_file): Similarly.
+       * cppinit.c (cpp_start_read): Move option consistency checks
+       to cpp_post_options.  Don't call init_dependency_output.
+       If needed, add default target and main file dependency.
+       (OPT_MD, OPT_MMD): Remove.
+       (OPT_MF): New.
+       (cpp_handle_option): Update for OPT_* changes.
+       (cpp_post_options): New.
+       (init_dependency_output): Command line -MF overrides environment
+       variables.  Don't set default target etc.  Suppress output
+       if dependencies are going to stdout.
+       (print_help): Update.
+       * cpplib.h (cpp_post_options): New.
+       * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
+
+Sun Jan  7 14:44:19 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * jump.c (comparison_dominates_p): Support unordered compares.
+
+Sun Jan  7 14:39:07 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (simplify_relational_operation): Always simplify
+       ORDERED and UNORDERED when FLAG_FAST_MATH.  Handle properly UNLE
+       and UNGE.
+
+Sun Jan  7 14:35:13 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * combine.c (combine_simplify_rtx): Recognize the unordered compares.
+       (nonzero_bits): Likewise.
+       (simplify_comparison): Likewise.
+       (num_sign_bit_copies): Likewise; return more sane value depending
+       on STORE_FLAG_VALUE.
+       (known_cond): Do not assume EQ to be always true for equivalent
+       operands.
+
+Sun Jan  7 14:31:57 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * cse.c (fold_rtx): Handle unordered comparisons.
+
+Sun Jan  7 13:49:19 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * rtlanal.c (set_of_1): New static function.
+       (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
+        reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
+        reg_set_last_last_regno): Remove.
+       (set_of): New global function.
+       (set_of_data): New structure.
+       (reg_set_p, reg_set_last): Revamp for set_of.
+       * rtl.h (set_of): New.
+
+2001-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
+       * extend.texi: Document _Exit builtin.
+
+2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * (initialize, initialize_builtins,
+       initialize_dependency_output, initialize_standard_includes):
+       Rename s/initialize/init. Update.
+       (init_dependency_output): Move to after
+       cpp_handle_options, the correct location temporally at least.
+       (opt_comp): Move next to init (), its caller.  Fix prototype.
+       (init): Make "initialized" local scope.
+       (cpp_create_reader): Always call init ().
+       (cpp_start_read): Update.
+       (output_deps): New function, broken out of cpp_finish.
+       (cpp_finish): Break out output_deps.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * collect2.c (COFF specific stuff): Revert 12-06 patch
+       to prototype system functions.
+
+2001-01-07  Michael Hayes  <mhayes@redhat.com>
+
+       * hard-reg-set.h: Add multiple include guard.
+       * basic-block.h (struct loop): Add `sink' field.
+       * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
+       (emit_iv_add_mult): Delete.
+       (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
+       (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
+       (unroll_loop): Remove end_insert_before argument.
+       * loop.c (loop_givs_rescan): Remove end_insert_before argument.
+       (maybe_eliminate_biv_1): Likewise.
+       (emit_iv_add_mult): Delete.
+       (gen_add_mult, loop_regs_update): New.
+       (loop_insn_emit_after, loop_insn_emit_before): New.
+       (loop_insn_sink, loop_insn_sink_or_swim): New.
+       (emit_iv_add_mult): Delete.
+       (scan_loop): Set loop->sink.
+       (loop_givs_reduce): Use loop_insn_sink and its ilk.
+       (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
+       (maybe_eliminate_biv_1): Likewise.
+       (maybe_eliminate_biv_1): Add basic block argument.
+       * unroll.c (unroll_loop): Remove end_insert_before argument.
+       (find_splittable_regs): Likewise.
+       (find_splittable_regs): Use loop_insn_sink and its ilk.
+       (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
+
+2001-01-07  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.h (loop_insn_hoist): New prototype.
+       * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
+       (move_movables, loop_givs_rescan): Use loop_insn_hoist.
+       (check_dbra_loop, load_mems): Likewise.
+       * unroll.c (unroll_loop, find_splittable_regs): Likewise.
+       (find_splittable_givs): Likewise.
+
+2001-01-07  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
+       NO_SHARED_LIBGCC_MULTILIB as required for the target.
+       * gcc.c (init_spec): Massage the existing libgcc_spec into a
+       variant that handles a shared libgcc.
+       (process_command): Always validate -{static,shared}-libgcc.
+       (do_spec_1): New 'M' case.
+       * invoke.text (Link Options): Document -{static,shared}-libgcc.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * Makefile.in (slibdir): New variable.
+       (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
+       (installdirs): Create slibdir.
+       (install-libgcc, install-multilib): Defer to libgcc.mk.
+       * configure.in (slibdir): Substitute.
+       * mklibgcc.in (install): New target.
+
+       * config/t-linux (SHLIB_LINK): Create links for the soname.
+       (SHLIB_INSTALL): New.
+       * config/alpha/t-osf4 (SHLIB_INSTALL): New.
+       * config/mips/t-iris6 (SHLIB_INSTALL): New.
+       * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
+       * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
+       * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
+
+2001-01-07  Richard Henderson  <rth@redhat.com>
+
+       * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
+       * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
+       * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
+
+2001-01-07  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (count_loop_regs_set): Delete.
+       (load_mems_and_recount_loop_regs_set): Delete.
+       (loop_regs_scan): Merge common code from count_loop_regs_set,
+       scan_loop, and load_mems_and_recount_loop_regs_set.
+       (scan_loop): Call load_mems directly and loop_regs_scan
+       again if new registers created.
+
+2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * toplev.c (main): Call the front-end specific post_options
+       hook if one is given.
+       * toplev.h (struct_lang_hooks, lang_hooks): New.
+       * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
+       for the C front end.
+       * cp/decl2.c (cxx_post_options, lang_hooks): Implement
+       lang_hooks for the C++ front end.
+       * objc/objc-act.c (objc_post_options, lang_hooks): Implement
+       lang_hooks for the ObjC front end.
+       * f/com.c (lang_hooks): Hooks for the Fortran front end.
+       * java/lang.c (lang_hooks): Hooks for the Java front end.
+
+2001-01-07  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * c-lex.c (init_c_lex): Request #define / #undef callbacks
+       for verbose DWARF[2] debugging.
+       (cb_define, cb_undef): The new callbacks.
+       * toplev.h (debug_define, debug_undef): Make const correct.
+       * toplev.c (debug_define, debug_undef): Similarly.  Do not
+       perform the verbosity tests here anymore.
+
+2001-01-07  Alexandre Oliva  <aoliva@redhat.com>
+
+       * reload.c (subst_reloads): Take INSN argument.  When
+       replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
+       * reload.h (subst_reloads): Adjust prototype.
+       * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
+       * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
+       present in JUMP_INSNs and copy them to JUMP_LABEL.
+       * flow.c (find_label_refs, find_basic_blocks_1): Skip
+       JUMP_INSNs and insns with REG_LABELs that are followed by
+       JUMP_INSNs with the same REG_LABEL.
+       * sched-rgn.c (is_cfg_nonregular): Likewise.
+       * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
+       note is available.
+       * unroll.c (unroll_loop): Look for REG_LABEL notes in
+       JUMP_INSNs too.
+       * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
+
+2001-01-06  Richard Henderson  <rth@redhat.com>
+
+       * loop.c (scan_loop): Use xcalloc for the regs array.
+       (load_mems_and_recount_loop_regs_set): Zero the new memory
+       received from xrealloc.
+
+2001-01-06  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * mkdeps.c (deps_add_dep): Fix vector re-allocation.
+
+Sat Jan  6 00:09:34 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * integrate.c (copy_rtx_and_substitute): When copying
+       an ignored return value, strip REG_FUNCTION_VALUE_P.
+
+2001-01-06  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (debug_biv, debug_giv): New.
+       (loop_biv_dump): Break out from ...
+       (record_biv): ... here.
+       (loop_giv_dump): Break out from ...
+       (record_giv): ... here.
+       (loop_bivs_check): Use print_simple_rtl.
+       * unroll.c (loop_iterations): Use print_simple_rtl.
+
+2000-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.md (return, return_internal): Modify patterns to prevent regrename
+       mucking with the return pointer.
+
+2001-01-05  Richard Henderson  <rth@redhat.com>
+
+       * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
+
+Fri Jan  5 16:34:18 2001  Nick Clifton  <nickc@redhat.com>
+
+       * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
+       version supplied by Matteo Frigo.
+
+2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update for -MQ.
+       * cppinit.c (cpp_create_reader): Always create pfile->deps.
+       (cpp_cleanup): Always free pfile->deps.
+       (initialize_dependency_output): Don't create pfile->deps.
+       (cpp_handle_option): Similarly.
+       (OPT_MQ): New.
+       * gcc.c (cpp_options): Handle -MQ.
+       (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
+       * mkdeps.c (base_name): Remove.
+       (deps_init): Don't allocate vector space until it's needed.
+       (deps_free): Only free vectors if allocated.
+       (deps_add_target, deps_add_dep): Update for initial allocation.
+       (deps_add_default_target): Don't strip to the base_name.
+
+2001-01-05  DJ Delorie <dj@redhat.com>
+
+       * config/v850/v850.h (RETURN_ADDR_RTX): Define.
+       (INIT_EXPANDERS): Define.
+
+       * config/v850/v850.c (struct machine_function): Define.
+       (v850_save_machine_status): New function.
+       (v850_restore_machine_status): New function.
+       (v850_return_addr): New function.
+       (v850_init_expanders): New function.
+
+       * config/v850/v850-protos.h: Add prototypes for v850_return_addr
+       and v850_init_expanders.
+
+2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
+
+       * cpplib.h (struct cpp_reader): Add help_only field.
+       * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
+       (cpp_handle_option): Set pfile->help_only if we see -h,
+       --help, -target-help, or --version.  Print version string but
+       do not set help_only if we see -v or -version.  Make text
+       printed by -v match that printed by (-)-version.
+
+       * cppmain.c (main): Exit after option parsing if
+       pfile->help_only is true.
+
+       * toplev.c (independent_decode_option): Call print_version,
+       then exit, if we see --version (but not -version).
+       (print_version): Split lengthy message into two lines.
+
+2001-01-05  Nick Clifton  <nickc@redhat.com>
+
+       * config/v850/v850.c (v850_encode_data_area): Use alloca to create
+       temporary string for initialisation before calling ggc_alloc_string.
+
+2001-01-06  Michael Hayes  <mhayes@redhat.com>
+
+       * rtl.h (print_simple_rtl): New.
+       * print-rtl.c (print_simple_rtl): New.
+       (flag_simple): New.
+       (print_rtx): Disable printing of flags and modes, etc.,
+       if `flag_simple` nonzero.
+
+2001-01-05  Zack Weinberg  <zack@wolery.stanford.edu>
+
+       * function.c (fixup_var_refs): Use push_to_full_sequence where
+       possible.
+
+2001-01-05  Michael Meissner  <meissner@redhat.com>
+
+       * flags.h (flag_reorder_blocks): Add declaration.
+       (flag_rename_block): Ditto.
+
+2001-01-05  DJ Delorie  <dj@redhat.com>
+
+       * function.c (reorder_blocks): Make sure the flags are all reset
+       before using them to mark blocks, else a second invocation will
+       corrupt the block chain.
+       (reorder_blocks_0): New, resets the flags.
+
+Fri Jan  5 20:34:06 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * cse.c (find_comparison_args): Stop if the argument is known to
+       be constant.
+
+2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.md (movdf): When splitting load into pair of
+       registers, don't clobber the register used in the address too
+       early.
+
+2001-01-05  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * varasm.c (mark_constant_pool): Improve initial comments.
+       (mark_constants): Move marking of constants to mark_constant.
+       (mark_constant): New function to recursively mark all constants
+       referred to by a constant.
+
+2001-01-05  Catherine Moore  <clm@redhat.com>
+
+       * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
+
+2001-01-05  Phil Edwards  <pme@sources.redhat.com>
+
+       * cp/lang-options.h:  Bring comment in line with reality.
+       * f/lang-options.h:  Likewise.
+       * java/lang-options.h:  Likewise.
+       * objc/lang-options.h:  Likewise.
+       * ch/lang-options.h:  Likewise.
+       * f/g77.texi:  And update the manual.
+
+2001-01-05  Marek Michalkiewicz  <marekm@linux.org.pl>
+           Denis Chertykov  <denisc@overta.ru>
+
+       * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
+       * config/avr/avr.c (avr_peep2_scratch_safe): New function.
+       * config/avr/avr.md (all peepholes that request a scratch register):
+       Call it, FAIL the peephole if not safe (in interrupt functions).
+
+2001-01-05  Mark Mitchell  <mark@codesourcery.com>
+
+       * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
+
+2001-01-05  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
+       Define.
+       * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
+       BUILT_IN_CREAL and BUILT_IN_CIMAG.
+       * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
+       conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
+       (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
+       BUILT_IN_CIMAG.
+       * extend.texi: Document these builtins.
+
+2001-01-05  Daniel Berlin  <dberlin@redhat.com>
+
+       * c-common.c (lang_get_alias_set): Say we know nothing of
+       VECTOR_TYPE aliasing.
+
+       * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
+
+2001-01-05  Bruce Korb  <bkorb@gnu.org>
+
+       * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
+       their x* equivalent versions for atexit-less systems
+       * fixinc/fixincl.c(main): do not return from main() on atexit-less
+       systems (or any other system any more).
+
+2001-01-05  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
+       output operands.  Use arm_hard_register_operand for operand 4.
+       (stmsi_postinc): Similarly.
+       (ldmsi): Use arm_hard_register_operand for opernand 2.
+       (stmsi): Similarly.
+       * arm.c (arm_hard_register_operand): New function.
+       * arm-protos.h (arm_hard_register_operand): Prototype it.
+
+       * arm.h (HARD_REGNO_RENAME_OK): Define.
+
+Fri Jan  5 16:29:49 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * simplify-rtx.c (cfc_args): add "unordered" field.
+       (check_fold_consts): Set unordered field.
+       (simplify_relational_operation): Simplify the unordered
+       comparisons.
+
+       * reg-stack.c (swap_rtx_condition): Ensure that the transformation
+       is valid.
+
+       * emit-rtl.c (try_split): Fix code to mark labels.
+       * jump.c (mark_jump_label): Make global.
+       * rtl.h (mark_jump_label): Declare.
+
+       * predict.c (estimate_probability): Handle unordred comparisons.
+
+2001-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update for -MP.  Clarify behavior of -MT.
+       * cppinit.c (initialize_dependency_output):  Update.
+       (cpp_finish): Output dummy targets for -MP.
+       (OPT_MP): New.
+       (cpp_handle_option): Handle -MP.  Don't quote -MT options.
+       * cpplib.h (struct cpp_options): Add deps_phony_targets.
+       * gcc.c (cpp_options): Update to handle -MP.
+       * mkdeps.c (deps_add_target, deps_add_default_target): Update
+       to quote only the default target.
+       (deps_phony_targets): Insert a preceding newline.  Rename from
+       deps_dummy_targets for consistency.
+       * mkdeps.h: Update
+
+2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
+
+       * calls.c (emit_library_call_value_1): Support
+       INIT_CUMULATIVE_LIBCALL_ARGS.
+       * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
+
+2001-01-04  Richard Henderson  <rth@redhat.com>
+
+       * c-decl.c (finish_struct): Detect flexible array members
+       used in an inappropriate context.
+       * c-typeck.c (really_start_incremental_init): Special case
+       constructor_max_index for zero length arrays.
+       (pop_init_level): Allow initialization of flexible array
+       members.  Deprecate initialization of zero length arrays.
+       Don't issue missing initializer warning for flexible array
+       members or zero length arrays.
+       (process_init_element): Don't dereference null DECL_SIZE.
+       * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
+       Don't abort for empty constructors.  Use size_binop
+       (output_constructor): Add commentary regarding zero length
+       array futures.  Abort if we try to initialize an array of
+       unspecified length with a non-empty constructor in the middle
+       of a structure.
+
+       * extend.texi (Zero Length): Update and clarify documentation
+       on static initialization.
+
+2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
+       with more than 32767 words of local storage.
+
+2001-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
+       for 'abs', 'labs', and 'fabs'.
+       (c4x_expand_builtin): Likewise.
+       * config/c4x/c4x.h (enum c4x_builtins): Likewise.
+
+2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/sh/sh.md (prget, prset): New insn types.
+       (return delay slot): Don't allow prset.
+       (call, sfunc delay slot): Don't allow prget.
+       (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
+       for prset and prget.
+
+2001-01-05  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.h (struct loop_reg): New.
+       (struct loop_regs): Change to use array of `struct loop_reg'.
+       * loop.c: Replace assortment of varrays with single regs array.
+       (count_one_set): Delete may_not_move array argument
+       and use regs array instead.  All caller's changed.
+       (count_loop_regs_set): Delete may_not_move and single_usage
+       arguments and use regs array instead.  All caller's changed.
+       (find_single_use_in_loop): Replace usage array argument with pointer
+       to regs structure.  All caller's changed.
+       (loop_optimize): Delete `moved_once' array.
+
+2001-01-05  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
+       Use it instead of loop_info->has_call for scanning loop mems.
+       (check_dbra_loop): Replace loop_info->has_call test with
+       loop_info->has_nonconst_call.
+
+2000-01-04  Matthew Hiller  <hiller@redhat.com>
+
+       * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
+       for TARGET_SH3E.
+
+2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
+       use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
+
+2001-01-04  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
+       (flag_short_double, flag_short_wchar): Define.
+       (c_common_nodes_and_builtins): Create many tree nodes shared
+       between C and C++ here instead of in cp/decl.c and ...
+       * c-decl.c (init_decl_processing): ... here.
+       (SIZE_TYPE, WCHAR_TYPE): Don't define.
+       (flag_short_double, flag_short_wchar): Don't define.
+       (record_builtin_type): New function.
+       (build_void_list_node): New function.
+       * c-common.h (flag_short_double, flag_short_wchar,
+       record_builtin_type, build_void_list_node): Declare.
+
+Thu Jan  4 21:09:47 2001  J"orn Rennecke <amylaar@redhat.com>
+
+       * integrate.c (expand_inline_function): Don't put a virtual
+       register into the reg map.
+
+       * function.c (fixup_var_refs_1): If force_operand didn't put
+       the address into the target, move it there.
+
+2001-01-04  Mark Mitchell  <mark@codesourcery.com>
+
+       Special-case tree_decl/tree_list allocations.
+       * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
+       (OBJECT_SIZE): New macro.
+       (NUM_EXTRA_ORDER): Likewise.
+       (extra_order_size_table): New variable.
+       (NUM_ORDERS): New macro.
+       (objects_per_page_table): New variable.
+       (object_size_table): New variable.
+       (G.pages): Use NUM_ORDERS to bound the array.
+       (G.page_tails): Likewise.
+       (DIV_ROUND_UP): Remove.
+       (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
+       (alloc_page): Use OBJECT_SIZE.
+       (size_lookup): Don't make it const.
+       (ggc_alloc): Use OBJECT_SIZE.
+       (ggc_set_mark): Likewise.
+       (ggc_get_size): Likewise.
+       (init_ggc): Set up the object_size_table, objects_per_page_table,
+       and adjust size_lookup.
+       (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
+       (ggc_pop_context): Use NUM_ORDERS.
+       (clear_marks): Likewise.
+       (sweep_pages): Likewise.
+       (poison_pages): Likewise.
+       (ggc_print_statistics): Use OBJECT_SIZE.
+
+Thu Jan  4 15:54:05 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
+       Only call array_size_for_constructor if last field and array type
+       with no upper bound.
+
+2001-01-04  Philip Blundell  <philb@gnu.org>
+
+       * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
+       from bit 31 downwards, if this requires no more insns.
+       (count_insns_for_constant): New helper function for above.
+
+2001-01-04  Alexandre Oliva  <aoliva@redhat.com>
+
+       * gencodes.c (output_predicate_decls): Remove empty initializer.
+
+2001-01-04  Mark Mitchell  <mark@codesourcery.com>
+
+       * tree.c (copy_node): Remove documentation about obstacks.
+       (buidl1): Check that nobody tries to build 2-argument nodes this
+       way.
+
+2001-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
+       fp_high_losum_p.
+
+       * gencodes.c (output_predicate_decls): Fill empty initializer
+       braces.
+
+2001-01-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * tradcpp.c (deps_file, print_deps_missing_files): New variables.
+       (main): Handle -MG, -MD, -MMD.  Bail out if -MG is given without -M
+       or -MM.
+       (do_include): Handle missing headers like cpp0.
+       * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
+       paths with first include pathname.  Don't strcat to uninitialized
+       string.
+
+2001-01-04  Bernd Schmidt  <bernds@redhat.com>
+
+       * regrename.c (regrename_optimize): Don't rename from frame pointer
+       if frame_pointer_needed.
+       (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
+       * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
+       (ia64_reorg): Use it instead of scheduling if ! optimize.
+       (errata_emit_nops): Properly call asm_noperands.
+       (ia64_sched_reorder): Finish cycle if we see an asm.
+       (ia64_variable_issue): Clear scheduling state after asms.
+
+2001-01-04  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+       * cpp.texi: Update for -MT.
+       * cppinit.c (initialize_dependency_output): Add a default
+       target if none has been given already.
+       (no_tgt, OPT_MT): New.
+       (cpp_handle_option): Handle -MT.  Update -M etc.
+       * cpplib.h (struct cpp_options): Remove deps_target.
+       * gcc.c (cpp_options): Handle -MT.
+       * mkdeps.c (struct deps): Move from mkdeps.h.
+       (deps_calc_target): Rename deps_add_default_target.  Add a
+       default target if none has been specified already.
+       * mkdeps.h (struct deps): Move to mkdeps.c.
+       (deps_calc_target): Rename deps_add_default_target.
+
+2000-01-03  Richard Henderson  <rth@redhat.com>
+
+       * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
+       Remove dead code.
+       * c-typeck.c (push_init_level): Move checks for flexible array
+       members and zero length arrays ...
+       (pop_init_level): ... here.  Silently discard empty initializations.
+       Remove dead code.
+       * varasm.c (output_constructor): Update for sizeof change to
+       zero-length arrays.
+
+       * extend.texi (Zero Length): Clarify semantics.
+
+2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * configure.in (tm.h): Include isns-codes.h last.
+       * configure: Rebuilt.
+
+2001-01-03  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (addvsi3, addvdi3): New.
+       (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
+
+2001-01-03  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+       * tradcpp.c (main): Make sure finclude() is called with a valid
+       indepth value while handling -include.
+
+2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * gencodes.c (output_predicate_decls): New function.
+       (main): Call it.
+       * machmode.h (GET_MODE_MASK): Arrange for it to be defined
+       even if it is not the first time machmode.h is #included.
+       * config/sh/sh.c (fpul_operand): Declare MODE argument.
+       * tm.texi (PREDICATE_CODES): Document predicate declarations.
+       * gcc.texi (Copyright): Added 2001.
+
+2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * c-common.c (c_common_lang_init): New function.  Warn if format
+       warning options which only have effects when used with -Wformat
+       are used without -Wformat.
+       * c-common.h (c_common_lang_init): Declare.
+       * c-lang.c (lang_init): Call c_common_lang_init.
+       * objc/objc-act.c (lang_init): Call c_common_lang_init.
+
+2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * configure.in: Check for the mktemp command.
+       * configure: Regenerate.
+       * gccbug.in: Use a separate temporary file $TEMP0 for one use of
+       $TEMP.  Create temporary files with mktemp, if available at
+       configure time; otherwise use set -C.  Remove temporary files
+       before exit.
+
+2001-01-03  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+       * configure.in: Require at least texinfo 4.0.  Check for whether
+       Pod::Man is sufficiently recent to regenerate GCC manpages.
+       * configure:  Regenerate.
+       * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
+       on #!.
+       (GENERATED_MANPAGES): Define.
+       (generated-manpages): New target.  Depend on cpp.1 as well as
+       gcov.1.
+       (install-man): Depend on $(GENERATED_MANPAGES) (defined by
+       configure to generated-manpages or empty) rather than on the
+       manpages directly.  Remove execute permission from installed
+       gcov.1 as well as cpp.1.
+       * cpp.1, gcov.1: Regenerate.
+
+2001-01-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.c (expand_builtin_strncmp): Use host_integerp and
+       tree_low_cst.  Allow using cmpstrsi in more cases.
+
+Wed Jan  3 10:48:43 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
+       sized types.
+
+Wed Jan  3 12:22:32 2001  Alexandre Oliva  <aoliva@redhat.com>
+
+       * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
+       * Makefile.in (HOST_CFLAGS): Mention build-make.
+
+Wed Jan  3 08:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
+       as JUMP_INSN.
+
+2001-01-01  Bernd Schmidt  <bernds@redhat.com>
+
+       * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
+       a REG rtx.
+
+       * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg.  All
+       callers changed.
+
+       * alias.c (throughout): Use ORIGINAL_REGNO when accessing
+       reg_base_value and reg_known_value arrays.
+       (init_alias_analysis): Add more cases to detect known values.
+       * sched-deps.c (deps_may_trap_p): New function.
+       (sched_analyze_2): Use it.
+
+2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       * combine.c (simplify_shift_const): Even if we're sign-extracting,
+       don't discard an ASHIFTRT if we're shifting in a wider mode.
+
+2000-01-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * toplev.c (rest_of_compilation): Don't print basic block information
+       when CFG isn't up to date.
+
+2001-01-02  Mark Elbrecht  <snowball3@bigfoot.com>
+
+       * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
+       (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
+       (UNALIGNED_SHORT_ASM_OP): Define.
+       (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
+
+2001-01-02  Mark Mitchell  <mark@codesourcery.com>
+
+       * fold-const.c (fold_convert): Fix typo.
+
+2001-01-02  Richard Henderson  <rth@redhat.com>
+
+       * c-common.h (ASM_INPUT_P): New.
+       * c-parse.in (asm): Set it when needed.
+       * c-semantics.c (genrtl_asm_stmt): Test it instead of the
+       existence of an operand.
+
+Tue Jan  2 20:27:07 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
+       (dwarf2out_frame_debug_expr): Likewise.
+       (mem_loc_descriptor): Handle PRE and POST_MODIFY.
+
+Tue Jan  2 20:21:31 MET 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (ix86_split_to_parts): Return number of part required;
+       handle TFmodes.
+       (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
+       TFmodes.
+       (ix86_split_long_move): Use number of part returned
+       by ix86_split_to_parts
+       * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
+       New macros.
+       (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
+       (LONG_DOUBLE_TYPE_SIZE): Change from constant.
+       (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
+       (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
+       (ALIGN_MODE_128): Add TFmode.
+       (IS_STACK_MODE): Likewise.
+       (HARD_REGNO_NREGS): TFmode needs 3 registers.
+       (HARD_REGNO_OK): Support TFmodes.
+       (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
+       * i386.md (scheduler definitions): Use memory operand to determine
+       fst/fld instructions; use mode attribute to determine real mode of
+       the instruction.
+       (*tf): New patterns, expanders and splitters; based on XFmode patterns.
+       * invoke.texi (128bit-long-double, 96bit-long-double): Document.
+
+2001-01-02  Mark Mitchell  <mark@codesourcery.com>
+
+       * tree.def (TRUTH_NOT_EXPR): Improve documentation.
+
+Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
+
+       * expr.c (store_constructor_field): Update ALIGN before calling
+       store_constructor.
+
+2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
+       host_integerp.
+
+2001-01-02  Jeffrey Oldham  <oldham@codesourcery.com>
+
+       * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
+       incomplete type.
+
+Tue Jan  2 10:47:38 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.
+
+       * c-decl.c (start_function): Don't warn on third parameter to main.
+
+2001-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * tsystem.h: Define HAVE_DECL_GETOPT.
+
+2001-01-02  Philip Blundell  <pb@futuretv.com>
+
+       * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
+       of input operand.
+
+2001-01-02  Richard Henderson  <rth@redhat.com>
+
+       * alpha.md (*ze_and_ne): Duplicate insn condition to split.
+
+2001-01-02  Andreas Jaeger  <aj@suse.de>
+
+       * c-decl.c (c_decode_option): Remove support of
+       -Wmissing-noreturn.
+
+       * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
+       (W_options): Add -Wmissing-noreturn here.
+
+       * flow.c: Define lang_missing_noreturn_ok_p.
+       (check_function_return_warnings): Use it.
+
+       * c-common.h: Declare lang_missing_noreturn_ok_p.
+
+       * c-lang.c (c_missing_noreturn_ok_p): New function.
+       (lang_init): Set lang_missing_noreturn_ok_p.
+
+       * invoke.texi (Warning Options): Document this.
+
+2000-12-27  Phil Edwards  <pme@sources.redhat.com>
+
+       * extend.texi (C++ Extensions):  New node for C++ attributes;
+       describe init_priority and com_interface.
+       * invoke.texi:  Remove -finit-priority as it now has zero effect.
+       * install.texi:  Fix xref syntax.
+       * md.texi:  Likewise.
+
+Mon Jan  1 21:28:29 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * config.gcc (sparc64-wrs-vxworks*): New case.
+       * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
+
+       * config/sparc/sparc.c (sparc_override_options): Do support different
+       pointer and architecture size.
+       * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
+       (POINTERS_EXTEND_UNSIGNED): Define.
+       (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
+       (FUNCTION_MODE): Define to be Pmode.
+       * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
+
+       * function.c (expand_function_end): Properly handle DECL_RESULT
+       and copy when ptr_mode != Pmode.
+       * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
+
+2001-01-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-common.c (c_common_nodes_and_builtins): Set prototype
+       parameters for __builtin_fputs, __builtin_fputc and
+       __builtin_fwrite.  Don't declare plain fputc as a builtin.
+
+2001-01-01  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * loop.c (add_label_notes): Increment the label usage count when
+       a note is added to an insn which refers to a CODE_LABEL.
+       * gcse.c (add_label_notes): Likewise.
+
+2001-01-01  Andreas Jaeger  <aj@suse.de>
+
+       * loop.c (scan_loop): Use xmalloc to allocate movables.
+
+2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
+
+       * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
+       * reload.c (REGISTER_MOVE_COST): Likewise.  Adjust all callers.
+       * reload1.c (REGISTER_MOVE_COST): Likewise.
+       * regclass.c (REGISTER_MOVE_COST): Likewise.
+       (move_cost, may_move_in_cost, may_move_out_cost): Add mode
+       dimension.  Adjust all users.
+       (init_reg_sets_1): Iterate on all modes.
+       * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
+       * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
+       * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
+       * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
+       * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
+       * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
+       * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
+       * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
+       * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
+       * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
+       * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
+       * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
+       * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
+       * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
+       * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
+       * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
+       * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
+       * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
+       * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
+       * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
+       * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
+       * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
+       * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
+       * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
+       * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
+       * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
+       * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
+
+2001-01-01  Bernd Schmidt  <bernds@redhat.com>
+
+       * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
+       arg VARIES_P.  Call it with extra arg.
+       (true_dependence): Likewise.
+       * rtl.h (rtx_addr_can_trap_p): Declare.
+       (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
+       prototypes.
+       * rtlanal.c (rtx_addr_can_trap_p): No longer static.
+       (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
+       pic offset table register if it's zero.  All callers changed.
+       (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
+
+Mon Jan  1 07:38:33 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * explow.c (convert_memory_address, case SYMBOL_REF): Copy
+       STRING_POOL_ADDRESS_P.
+
+       * config/sparc/sparc.c (input_operand): Properly test for short op.
+
+       * config.gcc (sparc-*-elf): Include sparc/sol2.h.
+       (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
+       (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
+       * config/sparc/elf.h: No longer include sol2.h.
+       * config/sparc/lifeelf.h: No longer include sparc/elf.h.
+       * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
+
+       * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
+
+2001-01-01  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
+       (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
+       (record_initial): Likewise.
+       * unroll.c (copy_loop_body, loop_iterations): Likewise.
+       (remap_split_bivs): Likewise.
+
+2001-01-01  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.c (loop_ivs_free): New function.
+       (strength_reduce): Break out from...
+
+2001-01-01  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.h (struct iv): New.
+       (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
+       (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
+       'reg_biv_class' fields with 'regs' and 'n_regs'.
+       (struct ivs): Rename 'loop_iv_list' field to 'list'.
+       * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
+       * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
+
+2001-01-01  Michael Hayes  <mhayes@redhat.com>
+
+       * loop.h (REG_IV_CLASS): New accessor macro.
+       * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
+       * unroll.c (REG_IV_CLASS): Likewise.