--- /dev/null
+2000-12-31 Alexandre Oliva <aoliva@redhat.com>
+
+ * resource.c (mark_referenced_resources): Abort() before
+ attempting to mark a pseudo register.
+ (mark_set_resources): Likewise.
+
+2000-12-31 Philip Blundell <philb@gnu.org>
+
+ * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Add missing asm
+ operands.
+
+2000-12-30 Richard Henderson <rth@redhat.com>
+
+ * dbxout.c (dbxout_block): Invert logic on eliding LBRAC/RBRAC.
+ Initialize variables properly for DBX_LBRAC_FIRST.
+
+2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Fix typo in last change.
+
+2000-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (validate_arglist): New function, use it.
+
+2000-12-30 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (arm_expand_prologue): Fix typos in error
+ message and comment. Note location of testcase for an unhandled
+ situation.
+
+2000-12-30 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * defaults.h (BUILD_VA_LIST_TYPE): New definition.
+ * tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
+ is a copy, not an alias.
+
+2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c (calls_function_1, case CONSTRUCTOR): New case.
+
+ * alias.c (alias_sets_conflict_p): New function.
+ (mems_in_disjoint_alias_sets_p): Use it.
+ (readonly_fields_p): Moved from expr.c; check for record type.
+ (objects_must_conflict_p): New function.
+ * calls.c (expand_call): Use assign_temp as much as possible, use
+ readonly variant if assigned once, and don't set memory attributes.
+ (emit_library_call_value_1, store_one_arg): Likewise.
+ * integrate.c (expand_inline_function): Likewise.
+ * stmt.c (expand_asm_operands, expand_return): Likewise.
+ * expr.c (copy_blkmode_from_reg, store_constructor): Likewise.
+ (store_field, save_noncopied_parts, expand_expr): Likewise.
+ (expand_expr_unaligned): Likewise.
+ (readonly_fields_p): Moved to alias.c.
+ (safe_from_p): Rework handling of SAVE_EXPR.
+ MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF.
+ * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE.
+ (assign_stack_for_temp): Use objects_must_confict_p.
+ Set all memory attributes from type, if specified.
+ (mark_temp_slot): Mark TYPE field.
+ * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls.
+ (objects_must_conflict_p): Likewise.
+
+ * stmt.c (expand_decl): Don't use assign_stack_temp in error case.
+ (add_case_node): No need to copy nodes anymore.
+
+2000-12-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (split_branches): Don't dereference re-computed
+ `beyond' before checking it's non-NULL.
+
+2000-12-29 Robert Lipe <robertl@sco.com>
+
+ Remove COFF support from i?86-pc-sco3.2v5.
+ * i386/sco5.h (PREFERRED_DEBUGGING_TYPE): Change to Dwarf II.
+ (TARGET_ELF): Now always true.
+ (SUBTARGET_SWTICHES: )Remove -mcoff.
+
+ * i386/t-sco5 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
+ MULTILIB_EXCEPTION): Nuke coff.
+ (CRTSTUFF_T_CFLAGS_S): Deleted.
+ (TARGET_LIBGCC2_CFLAGS): Added.
+
+2000-12-29 Alexandre Oliva <aoliva@redhat.com>
+
+ * varasm.c (output_constant_def): Don't ENCODE_SECTION_INFO
+ twice. Update desc->rtl and ->label, in case ENCODE_SECTION_INFO
+ modifies them.
+
+2000-12-29 Bernd Schmidt <bernds@redhat.com>
+
+ * ia64.c (ia64_expand_load_address): Accept additional scratch
+ register argument. All callers & prototype changed.
+ Use scratch register when generating load_symptr insns.
+ * ia64.md (movdi_symbolic): Clobber a scratch register. Use it
+ when calling ia64_expand_load_address.
+ (movdi): Generate movdi_symbolic with additional operand.
+ (load_gprel64): Use pic_offset_table_rtx instead of (reg:DI 1).
+ (load_symptr): Likewise. Use additional operand as a scratch
+ register instead of generating it here.
+
+ * basic-block.h: Add a comment.
+ * flow.c (PROP_POSTRELOAD): New macro.
+ (update_life_info): Add it to prop_flags.
+ (mark_set_1): If it is set, compute REG_N_SETS for the original
+ register number of a hard reg.
+
+ * emit-rtl.c (gen_raw_REG): New function.
+ (gen_rtx_REG, gen_reg_rtx, init_emit_once): Use it instead of
+ gen_rtx_raw_REG.
+ * print-rtl.c (print_rtx): Print ORIGINAL_REGNO.
+ * final.c (alter_subreg): Update it.
+ * regrename.c (do_replace): Likewise. Use gen_raw_REG.
+ * rtl.def (REG): Update comment.
+ * rtl.h (X0UINT, ORIGINAL_REGNO): New macros.
+ (gen_raw_REG): Declare.
+
+2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (get_set_constructor_bits): Use host_integerp and
+ tree_low_cst.
+
+ * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN.
+
+ * toplev.c (main): Call xmalloc_set_program_name.
+ * gcc.c (main): Likewise.
+
+2000-12-29 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (arm_override_options): Fix typo in warning
+ message.
+
+2000-12-29 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_expand_block_move): Initialize
+ src_align and dst_align in bits. Do unaligned quadword loads
+ if possible for BWX too.
+ (alpha_expand_block_clear): Initialize align in bits. Track
+ small leading offsets into a larger alignment. Play games with
+ stq_u for large 4-byte aligned blocks. Use load/mask/store
+ for appropreately aligned heads and tails.
+
+2000-12-29 Alexandre Oliva <aoliva@redhat.com>
+
+ * function.c (assign_parms): Convert arguments passed by
+ reference to the right mode.
+
+2000-12-28 Geoffrey Keating <geoffk@redhat.com>
+
+ * c-parse.in (select_or_iter_stmt): Use truthvalue_conversion
+ on the condition of a FOR statement, so that it gets typechecked
+ and optimized.
+
+2000-12-29 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-decl.c (grokdeclarator): Prevent crash in case of overflow in
+ array size.
+
+ * calls.c (emit_library_call_value_1): Add to call_fusage the
+ stack slot assigned to argument passed by reference.
+
+2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * toplev.h (extern really_sorry): Remove extern declaration for
+ nonexistent function.
+
+2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * varasm.c (initializer_constant_valid_p): Indicate subtraction of
+ pointers to the same string constant is absolute.
+
+2000-12-28 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (enum format_type): Add strfmon_format_type.
+ (decl_attributes): Handle format attributes strfmon and
+ __strfmon__.
+ (FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
+ FMT_FLAG_EMPTY_PREC_OK): Define.
+ (format_char_info): Update comment for flag_chars.
+ (format_flag_spec): Add skip_next_char.
+ (format_kind_info): Add left_precision_char.
+ (printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
+ format_types): Update for these new structure members and flags.
+ (time_char_table): Make const.
+ (strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
+ monetary_char_table): New.
+ (format_types): Add details of strfmon formats.
+ (init_function_format_info): Create default attribute for strfmon.
+ (check_format_info_main): Check the new flags. Handle
+ skip_next_char and left precision.
+ * toplev.c (documented_lang_options): Update description of
+ -Wformat.
+ * extend.texi: Document strfmon format attributes. Document
+ attribute forms such as __printf__. Clarify format_arg attribute
+ documentation.
+ * invoke.texi (-Wformat): Update for strfmon formats.
+
+2000-12-28 Andreas Jaeger <aj@suse.de>
+
+ * expmed.c (store_bit_field): Fix last patch.
+
+2000-12-28 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/crt1.asm (start_l): `__SH4_SINGLE_ONLY__' was missing
+ the trailing `__'.
+
+2000-12-28 Alan Lehotsky <lehotsky@tiac.net>
+
+ * expmed.c (store_bit_field): Correctly compute smallest mode that
+ is sufficient to contain all bits we are storing.
+
+2000-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (build_function_call_expr): New function. Use it
+ everywhere in lieu of manually constructing a CALL_EXPR.
+
+2000-12-27 Chandrakala Chavva <cchavva@redhat.com>
+
+ * calls.c (store_one_arg): If parm is passed both in stack and in
+ register and offset is greater than reg_parm_stack_space, split
+ the offset and call emit_push_insn().
+
+2000-12-27 Nick Clifton <nickc@redhat.com>
+
+ * ifcvt.c (noce_emit_store_flag): Handle jump insns that are
+ PARALLEL.
+
+2000-12-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.c (copy_most_rtx, shallow_copy_rtx): Copy frame_related
+ flag.
+
+2000-12-27 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.in: fix for ancient Bourne shell
+ * fixinc/Makefile.BEOS: obsolete
+ * fixinc/Makefile.DOS: obsolete
+ * fixinc/fixincl.sh(LINKS): use `test -d' rather than `ls' for testing
+
+2000-12-27 Bernd Schmidt <bernds@redhat.com>
+
+ * sched-deps.c (get_condition, conditions_mutex_p): New functions.
+ (add_dependence): Use them to avoid adding unnecessary dependencies
+ between conditionally executed insns.
+ (sched_analyze_1, sched_analyze_2, sched_analyze_insn): Don't free
+ dependency lists if current insn is a COND_EXEC.
+
+2000-12-27 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.md (define_attr "length"): Correct
+ calculation.
+
+2000-12-26 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c: Fix a comment typo.
+ (get_shift_alg): Fix a typo in the assembly code for 12-bit
+ ASHIFTRT in HImode. Do not output extra whitespace after one line
+ of assembly code. Output a tab after an opcode instead of a
+ space.
+ (emit_a_shift): Output a tab after an opcode instead of a space.
+
+2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
+ out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
+ %4 in output templates, do not modify operands passed by the caller.
+
+2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):
+ Don't define.
+ * builtins.c (expand_builtin): Don't handle BUILT_IN_LABS,
+ BUILT_IN_LLABS and BUILT_IN_IMAXABS.
+ * c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for
+ builtin labs, llabs and imaxabs.
+ (expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS
+ and BUILT_IN_IMAXABS.
+
+2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (builtin_function_2): New function.
+ (c_common_nodes_and_builtins): Use it to define each pair (foo,
+ __builtin_foo) of builtins in one place.
+
+2000-12-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gccbug.in: Add libgcj and preprocessor categories.
+
+2000-12-22 Bernd Schmidt <bernds@redhat.com>
+
+ * config/ia64/ia64.c (itanium_reorder): Only schedule stops in
+ the final scheduling pass.
+
+2000-12-22 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.h (struct machine_function): Add new field
+ 'lr_save_eliminated'.
+ * config/arm/arm.c (arm_compute_save_reg_mask): Do not include the
+ link register if its save has been eliminated.
+ (output_arm_prologue): Mention if the save of the link register
+ has been eliminated.
+ (output_arm_epilogue): Rename 'live_regs_mask' to
+ 'saved_regs_mask'.
+ Test 'saved_regs_mask' for the link register, not regs_ever_live.
+ (arm_expand_prologue): If the link register has not been saved set
+ lr_save_eliminated and emit a USE to prevent later passes from
+ scavenging it.
+
+ * dwarf2out_frame_debug_expr: Allow the (scratch) frame
+ pointer to be initialized from the stack pointer plus a
+ constant.
+
+2000-12-22 Bernd Schmidt <bernds@redhat.com>
+
+ * regrename.c (struct du_chain): New field "earlyclobber".
+ (enum scan_actions): Remove unused entry "note_reference".
+ (enum scan_actions_name): Likewise.
+ (note_sets, clear_dead_regs, merge_overlapping_regs): New static
+ functions.
+ (regrename_optimize): Use them to compute unavailable regs; get
+ rid of the more simpleminded code we used to have here.
+ Use a tick array to ensure registers are allocated in a more
+ round-robin way. Disable code that only optimizes registers
+ that were seen more than once.
+ (referenced_regs): Remove variable.
+ (scan_rtx_reg): New arg "earlyclobber". All callers changed.
+ Store its value in newly generated du_chain structures.
+ Add new du_chains at the end, not the start, of the list.
+ Don't handle the "note_reference" action.
+ (scan_rtx): New arg "earlyclobber". All callers changed.
+ (build_def_use): Lose code to keep track of referenced regs.
+
+2000-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (sched-deps.o, sched-rgn.o): Fix dependency typo.
+
+ * fp-bit.h (usi_to_float): Add prototype.
+
+ * i386.c (ix86_expand_builtin): Delete unused label.
+
+ * dwarf2out.c (file_info_cmp): Prototype.
+ (dwarf2out_line): Hide variable `old_in_use'.
+
+ * objc-act.c (objc_fatal): Delete.
+
+ * sched-vis.c (visualize_stall_cycles): Remove unused variable.
+
+ * system.h (getopt): Fix error in last change.
+
+ * varasm.c (assemble_trampoline_template): Constify.
+
+2000-12-22 Jason Merrill <jason@redhat.com>
+
+ * collect2.c (main): Use auto_demangling.
+
+2000-12-22 Alexandre Oliva <aoliva@redhat.com>
+
+ * function.c (assign_parms): Update parm's DECL_INCOMING_RTL
+ when optimizing PARALLEL to REG.
+
+2000-12-22 Graham Stott <grahams@redhat.com>
+
+ * reload.c (update_auto_inc_notes): New, broken out from ...
+ (find_reloads_address_1): ... use here, also correct possible
+ use of uninitialized reloadnum.
+
+2000-12-21 David O'Brien <obrien@FreeBSD.org>
+
+ * config/freebsd.h (LIB_SPEC): remove -kthread option.
+
+2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * resource.c (mark_set_resources): Use MARK_SRC_DEST for
+ PRE_MODIFY and POST_MODIFY cases.
+
+ * rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.
+
+2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * md.texi (Looping Patterns): New node.
+
+2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi, cpp.texi: Update last-updated dates.
+
+2000-12-21 Chandrakala Chavva <cchavva@redhat.com>
+
+ * varasm.c (output_addressed_constants): Use language specific
+ expander on unknown nodes.
+
+2000-12-21 Graham Stott <grahams@redhat.com>
+
+ * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.
+
+2000-12-21 Bernd Schmidt <bernds@redhat.com>
+
+ * Makefile.in (out_object_file): Depend on sched-int.h.
+ * rtl.h (single_set_1): New macro.
+ (single_set_2): Renamed from single_set_1 and extra argument added.
+ * rtlanal.c (single_set_2): Likewise.
+
+ * config/ia64/ia64-protos.h (get_bundle_name, ia64_issue_rate,
+ ia64_adjust_cost, ia64_sched_init, ia64_sched_finish,
+ ia64_sched_reorder, ia64_sched_reorder2, ia64_variable_issue):
+ Declare.
+ * config/ia64/ia64.c: Include "sched-int.h".
+ (hard_regno_rename_ok): Also disallow renaming from the various
+ reg_save_* regs.
+ (ia64_safe_itanium_requiers_unit0, ia64_safe_itanium_class,
+ ia64_safe_type, init_insn_group_barriers, group_barrier_needed_p,
+ safe_group_barrier_needed_p, fixup_errata): New static functions.
+ (rtx_needs_barrier): Handle bundle selector and cycle display
+ insns.
+ (emit_insn_group_barriers): Accept additional FILE * arg. All
+ callers changed. Rework to only generate stop bits between
+ basic blocks that haven't been inserted by scheduling.
+ (struct bundle, struct ia64_packet): New structures.
+ (NR_BUNDLES, NR_PACKETS): New macros.
+ (bundle, packets, type_names): New static arrays.
+ (ia64_final_schedule): New variable.
+ (ia64_single_set, insn_matches_slot, ia64_emit_insn_before,
+ gen_nop_type, finish_last_head, rotate_one_bundle, rotate_two_bundles,
+ cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
+ find_best_packet, itanium_reorder, dump_current_packet, schedule_stop):
+ New static functions.
+ (ia64_issue_rate, ia64_sched_init, ia64_sched_reorder,
+ ia64_sched_finish, ia64_sched_reorder2, ia64_variable_issue): New
+ functions.
+ (ia64_reorg): Perform a final scheduling pass.
+ * config/ia64/ia64.h (CONST_COSTS): Slightly increase SYMBOL_REF costs.
+ (MAX_CONDITIONAL_EXECUTE, ADJUST_COST, ISSUE_RATE, MD_SCHED_INIT,
+ MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_FINISH,
+ MD_SCHED_VARIABLE_ISSUE): Define macros.
+ (ia64_final_schedule): Declare variable.
+ * config/ia64/ia64.md (attr itanium_class): Add some more classes.
+ (attr type): Account for them.
+ (itanium_requires_unit0): New attribute.
+ (function units): Rewrite.
+ (some splitters): Don't create scheduling barriers here.
+ (gr_spill_internal, gr_restore_internal): Don't predicate the
+ pseudo-op.
+ (nop_m, nop_i, nop_f, nop_b, nop_x, cycle_display, cycle_display_1,
+ bundle_selector): New patterns.
+ (insn_group_barrier): Now has an operand.
+
+2000-12-21 DJ Delorie <dj@redhat.com>
+
+ * dwarf2out.c (simple_decl_align_in_bits): new
+ (field_byte_offset): Try both the type align and the
+ decl align, use whichever works, preferring the type align.
+
+2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gccbug.in: Fix typo.
+
+2000-12-20 Benjamin Kosnik <bkoz@redhat.com>
+
+ * Makefile.in (gcc_gxx_target_include_dir): Use instead of
+ build_tooldir and libstdcxx_incdir.
+
+2000-12-20 Robert Lipe <robertlipe@usa.net>
+
+ * haifa-sched.c (schedule_block): Provide empty source statement
+ if not MD_SCHED_REORDER2.
+
+2000-12-20 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (REG_NON_LOCAL_GOTO): New.
+ * rtl.c (reg_note_name): Update.
+ * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
+ * builtins.c (expand_builtin_longjmp): Likewise.
+ * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
+ not emit an edge.
+
+2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
+ Do not output undefined opcodes where source or destination register
+ overlaps with modified pointer register. Handle (X + d) addresses.
+ * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
+ in alternatives with memory operand.
+
+2000-12-20 Richard Henderson <rth@redhat.com>
+
+ * c-typeck.c (build_asm_stmt): New, broken out from ...
+ (c_expand_asm_operands): ... here. Just do rtl expansion.
+ (c_expand_return): Return the new stmt node.
+ (c_start_case, do_case): Likewise.
+ * c-common.c (c_expand_expr_stmt): Likewise.
+ * c-common.h: Update declarations.
+ * c-tree.h: Likewise.
+ * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
+ * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
+ (nested_function, notype_nested_function): Likewise.
+ (compstmt): Return the compound statement not the binding level.
+ (lineno_labeled_stmt): Simplify.
+ (lineno_stmt, lineno_label): Set STMT_LINENO.
+ (stmt, label): Return the new stmt node.
+
+2000-12-20 Bernd Schmidt <bernds@redhat.com>
+
+ * Makefile.in (OBJS): Add sched-ebb.o.
+ (sched-ebb.o): New rule.
+ (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H).
+ (haifa-sched.o): Depend on insn-flags.h.
+ * haifa-sched.c: Include "insn-flags.h".
+ (priority): Don't access BLOCK_NUM, use the new contributes_to_priority
+ callback.
+ * rtl.h (schedule_ebbs): Declare.
+ * sched-int.h (struct sched_info): Add new members
+ contributes_to_priority and compute_jump_reg_dependencies.
+ * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies):
+ New functions.
+ (region_sched_info): Add them.
+ * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h".
+ * sched-ebb.c: New file.
+ * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs.
+
+ * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly
+ handle all relational operators.
+
+2000-12-20 Alexandre Oliva <aoliva@redhat.com>
+
+ * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF.
+ * tm.texi: Document it.
+
+2000-12-19 Benjamin Kosnik <bkoz@redhat.com>
+
+ * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir
+ instead of gcc_tooldir.
+
+2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * system.h (getopt): Update prototype to match include/getopt.h.
+
+2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ From Jeff Law.
+ * pa.c (basereg_operand): Simplify.
+
+2000-12-19 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * haifa-sched.c (rm_line_notes): Arguments are now head and tail,
+ not block number. All callers and prototype changed.
+ (set_priorities): Likewise.
+ (save_line_notes): Add head and tail arguments; all callers and
+ prototype changed.
+ (restore_line_notes): Likewise. Don't crash on insns generated
+ during scheduling.
+ (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros.
+ Call MD_SCHED_INIT with additional argument.
+ When starting a new cycle, emit cycle_display insns if available.
+ Don't stop scheduling when encountering a JUMP_INSN, but add another
+ call to schedule_more_p in the inner loop.
+ Call MD_SCHED_REORDER2 after scheduling an insn.
+ Call MD_SCHED_FINISH once all insns are scheduled.
+ (sched_init): Compensate for the fact that get_block_head_tail
+ doesn't include leading notes.
+ * sched-deps.c (free_deps): Free vectors here.
+ * sched-rgn.c (compute_block_backward_dependencies): Not here.
+ (last_was_jump): New static variable.
+ (schedule_more_p): Test it.
+ (init_ready_list): Initialize it.
+ (can_schedule_ready_p): Set it if we have a JUMP_INSN.
+
+ * config/i386/i386.h (MD_SCHED_INIT): Add new arg.
+ * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg.
+ * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg.
+
+ * md.texi (cycle_display): Document.
+ * tm.texi (MD_SCHED_INIT): Document new arg.
+ (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document.
+
+ * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite
+ to use different representation. All callers changed.
+ (and_reg_cond): Renamed from nand_reg_cond; caller changed.
+ (init_propagate_block_info): Don't test flags to determine
+ whether to compute conditional lifetimes.
+ Adjust code for new representation of conditional lifetimes.
+ (mark_regno_cond_dead): Similar adjustment.
+ (free_reg_cond_life_info): Similar adjustment.
+ (elim_reg_cond): New function.
+ (flush_reg_cond_1): Use it.
+
+2000-12-19 Catherine Moore <clm@redhat.com>
+
+ * reload1.c (reload_combine): Take multi-hard-regs into account
+ when processing CALL_INSN_FUNCTION_USAGE.
+
+2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi (-print-search-dirs): Make references to cpp refer
+ to cpp0 instead.
+
+2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (tree_expr_nonnegative_p): Treat truth values as
+ non-negative.
+
+Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * reload.c (push_reload): When using a dying register for the reload
+ register in an in-out reload, use outmode if wider than inmode.
+
+2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config/d30v/d30v.h (EXIT_BODY): Update comment.
+
+2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING.
+ * tm.texi (EXIT_BODY): Update documentation.
+ * config/freebsd.h, config/netware.h, config/arm/coff.h,
+ config/arm/conix-elf.h, config/arm/unknown-elf.h,
+ config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h,
+ sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some
+ commented out) and associated comments.
+
+2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (STD_C9L, ADJ_STD): Define.
+ (printf_length_specs, scanf_length_specs): Mark "ll" as standard
+ STD_C9L.
+ (T99_LL): Rename to T9L_LL.
+ (T99_ULL): Rename to T9L_ULL.
+ (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
+ instead of T99_LL and T99_ULL.
+ (check_format_info_main): Use ADJ_STD on all format standard
+ versions being compared.
+ * c-common.h: Declare warn_long_long.
+ * c-tree.h: Don't declare warn_long_long.
+
+2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * COPYING: Update to current
+ ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references
+ to 19yy as example year in copyright notice).
+
+2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (cb_file_change): Treat in_system_header as strictly
+ boolean (0 or 1).
+
+2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c: Update print.lineno with -P.
+
+2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c: s/change_file/file_change.
+ * cpplib.h: Similarly.
+ * cppmain.c: Similarly.
+ * fix-header.c: Similarly.
+ * cppfiles.c (stack_include_file): Pass the buffer location and
+ size to cpp_push_buffer. Generate the file_change callback,
+ so that sysp is already set.
+ * cpphash.h: Add _cpp_do_file_change.
+ * cpplib.c (do_line): Set buffer->sysp directly. Generate the
+ file_change callback after setting sysp.
+ (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception
+ here.
+ (cpp_push_buffer): Don't generate a callback. Clear sysp.
+ (cpp_pop_buffer): Clean up logic.
+
+2000-12-18 Benjamin Kosnik <bkoz@redhat.com>
+
+ * configure.in (gcc_gxx_include_dir): Simplify.
+ (libstdcxx_incdir): Export.
+ * configure: Regenerate.
+ * Makefile.in (PREPROCESSOR_DEFINES): Add in
+ GPLUSPLUS_TOOL_INCLUDE_DIR bits here..
+ (libstdcxx_incdir): Add.
+ * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path.
+
+2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (lex_lineno): Remove.
+ (init_c_lex, c_lex): Remove lex_lineno.
+ (cb_change_file): Update lineno correctly, both before calling
+ push_srcloc and before leaving the function.
+ (cb_def_pragma): Set lineno before outputting diagnostics.
+
+Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN.
+ Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE.
+ Use print_node_brief to print bounds.
+
+2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.h (struct cpp_reader): Remove references to string_pool
+ and temp_string_pool.
+ * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
+ ident_pool in place.
+ * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
+ save_comment, cpp_token_as_text): Similarly.
+ * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
+ * cppmacro.c (make_number_token, builtin_macro, lock_pools,
+ unlock_pools, stringify_arg, paste_tokens): Similarly.
+
+Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case.
+ (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise.
+ (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise.
+
+2000-12-17 Richard Earnshaw <rearnsha@arm.com>
+
+ * Makefile.in (check-po): Use $(MAKE).
+ (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise.
+
+2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (check_multiline_token): New function.
+ (scan_buffer): Use it.
+ (cb_change_file): Restructure to avoid warning.
+ * cpperror.c (print_location): Initialize col.
+
+2000-12-14 Philipp Thomas <pthomas@suse.de>
+
+ * protoize.c (main): Correctly set locale categories.
+ * gcc.c (main): Likewise.
+ * cppmain.c (general_init): Likewise.
+ * toplev.c (main): Likewise.
+ * gcov.c (main): Likewise.
+ * collect2.c (main): Likewise.
+
+2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (c_common_nodes_and_builtins): Create a
+ cstring_endlink, use it. Rename int_ftype_string_string to
+ int_ftype_cstring_cstring, string_ftype_string_int to
+ string_ftype_cstring_int, and string_ftype_string_string to
+ string_ftype_cstring_cstring. Prefer sizetype_endlink and
+ int_endlink to manually recreating them. Fix the prototype
+ set for __builtin_strspn/__builtin_strcspn.
+
+2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (out_set_stack_ptr): Update comment.
+ (print_operand): Add support for %~ and %o.
+
+2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code.
+
+2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
+ * cpperror.c (print_containing_files): Get right line number.
+ (print_location): Output column of 1 if 0.
+ * cppfiles.c (stack_include_file): cpp_push_buffer handles
+ the callback.
+ * cpphash.h (_cpp_do_file_change): No longer external.
+ * cpplib.c (do_file_change): Now local to cpplib.c.
+ (do_line): Fake a buffer stack for preprocessed files.
+ (cpp_push_buffer): Create a file_change callback. Handle faked
+ buffers.
+ (cpp_pop_buffer): Similarly.
+ * cpplib.h: BUF_FAKE: New buffer type.
+ * cppmain.c: Update to handle correct file renaming where a
+ #line is the first line of the main file, and produce only
+ the renamed file, not the original file, as output.
+
+2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md: Remove redundant @s from output patterns.
+
+2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+ Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma.
+
+ * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype.
+
+ * config/c4x/c4x.c (c4x_init_pragma): New function.
+ (c_lex_func): New variable.
+ (c4x_parse_pragma): Use c_lex_func.
+
+2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+ Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument
+ to c4x_init_builtins.
+
+ * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument.
+
+ * config/c4x/c4x.c (c4x_init_builtins): Add tree argument.
+ (c4x_output_ascii): Fix.
+
+2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+ Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.
+
+ * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
+ (c4x_expand_builtin): Likewise.
+
+ * config/c4x/c4x.c (c4x_init_builtins): New function.
+ (c4x_expand_builtin): Likewise.
+
+ * config/c4x/c4x.md (floatunsqihf2): New pattern.
+ (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
+ (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
+ (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
+ (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.
+
+2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
+ * libgcc2.c (__absvsi2): Use Wtype and DWtype.
+ (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
+ (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
+
+2000-12-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block
+ statement in do/while(0).
+
+Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno,
+ lshrhi3_cmpno): Remove redundant '@' from the template.
+
+ * i386.md (cmpstrsi_1): Fix type of the compare.
+
+ * genattrtab.c (attr_rtx_cost): New function.
+ (simplify_test_exp): Avoid overactive inlining; use temporary
+ obstacks for tests.
+
+Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * diagnostic.c (finish_abort): Deleted.
+ (fatal): Add code from finish_abort.
+ (error_recursion, fancy_abort): Call fatal, not finish_abort.
+ (trim_filename): Remove leading "../".
+ * diagnostic.h (finish_abort): Deleted.
+ * toplev.c (crash_signal): Call fatal, not finish_abort.
+
+ * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT
+ as if size were variable.
+
+ * expmed.c (expand_mult): Write REG_EQUAL note with proper mode.
+
+2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * tradcpp.c: T_WARNING: New.
+ (do_warning): New function.
+ (finclude): Skip past the newline and increase the line number
+ before calling output_line_command.
+ (do_line): Skip the new line after output_line_command. Don't
+ pre-decrement the line number.
+
+2000-12-15 Diego Novillo <dnovillo@redhat.com>
+
+ * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to
+ _GLOBAL_OFFSET_TABLE_ when using Intel syntax.
+
+2000-12-15 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (cpp_options): Pass -fno-operator-names.
+ * cpplib.h (struct cpp_options): Add operator_names.
+ * cppinit.c (cpp_create_reader): Initialize it.
+ (initialize_builtins): If -fno-operator-names, don't add
+ C++ alternate operator names.
+ (COMMAND_LINE_OPTIONS): Add -fno-operator-names.
+ (cpp_handle_option): Clear operator_names.
+
+2000-12-15 Jason Merrill <jason@redhat.com>
+
+ * jump.c (jump_optimize_1): Don't delete the line note after the
+ prologue even if it seems redundant.
+
+ * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P
+ on all insns used to adjust the stack.
+
+Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (cant_combine_insn_p): Get around SUBREGs when determining
+ hardreg<->reg moves.
+
+Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * genrecog.c (add_to_sequence): Remove special case for
+ const_int_operand.
+ (maybe_both_true): Return 1 when falling out of sequence when
+ trying to find common position in the pattern.
+
+Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * integrate.c (copy_rtx_and_substitute): Copy mode too.
+
+Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (notice_stack_pointer_modification_1): Cleanup.
+
+2000-12-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * function.c (adjust_trampoline_addr): New function.
+ (trampoline_address): Call it instead of round_trampoline_addr().
+ * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.
+
+2000-12-14 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * cppfiles.c (hack_vms_include_specification): Delete function
+ (not used since 1998).
+
+Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER.
+
+2000-12-14 Jim Wilson <wilson@redhat.com>
+
+ * alias.c (get_alias_set): Call record_component_aliases for
+ COMPLEX_TYPE.
+ (record_component_aliases): Handle COMPLEX_TYPE.
+
+2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/gnu-regex.c: Disable NLS.
+
+2000-12-14 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap
+ comparison operands when that would create non-canonical rtl.
+
+ * config/i386/i386.md (umulsi3_highpart): Remove * from name.
+ (smulsi3_highpart): Likewise.
+
+2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * gcc.c (cpp_options): Add -remap.
+
+2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * gcc.c (cpp_options): Update to use '&'.
+ (struct switchstr): Change type of validated to save space.
+ New member 'ordering'.
+ (handle_braces, validate_switches): Update to handle '&'.
+
+2000-12-13 Laurynas Biveinis <lauras@softhome.net>
+
+ * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
+ found in a header.
+ * fixinc/fixincl.x: regenerated.
+
+2000-12-13 DJ Delorie <dj@redhat.com>
+
+ * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
+
+2000-12-13 Tom Tromey <tromey@redhat.com>
+
+ * gcc.c (handle_braces): Handle %{<S*} spec correctly.
+
+2000-12-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * function.c (assign_parms): Optimize incoming PARALLELs into
+ REGs if possible.
+
+2000-12-13 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
+ that cannot handle bi-directional pipes, viz. BeOS and DOS.
+ * fixinc/fixlib.h(IGNORE_ARG): new macro
+ (STATIC): define for all of fixinc to use
+ * fixinc/fixfixes.c(*): eliminate unused arg warnings
+ * fixinc/fixtests.c(*): ditto
+ * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
+ * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
+ warning. Also, eliminate the ``#ifdef emacs'' stuff.
+ (re_syntax_options): make global as it is declared so.
+ * fixinc/mkfixinc.sh: process the argument list more consistently
+ (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
+ * fixinc/procopen.c(globals): include "fixlib.h" for std defs
+ * fixinc/server.c(globals): ditto
+ * fixinc/server.h(defines): ditto
+
+2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * tradcpp.c (special_symbol): Improve test for definedness,
+ though it is still not perfect.
+ (do_define): Don't define illegal macro names.
+
+2000-12-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
+ if changing into .bss section.
+ * config/mips/elf64.h: same.
+ * config/mips/iris6.h: same.
+ * config/mips/netbsd.h: same.
+ * config/mips/openbsd.h: same.
+
+2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (read_name_map): Return null if open () fails.
+ (remap_filename): Simplify logic. Add ICE if it doesn't work
+ as expected. Perform secondary lookup attempt on base filename
+ only.
+
+Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
+
+ * flow.c (notice_stack_pointer_modification_1): Notice midifications
+ using PRE_MODIFY and POST_MODIFY.
+
+Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * genoutput.c (process_template): Add sanity checking for '@' templates.
+
+2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
+ varrays.
+
+2000-12-12 Mike Stump <mrs@wrs.com>
+
+ * Makefile.in (distclean): Remove safe-ctype.c as well.
+
+2000-12-12 Brad Lucier <lucier@math.purdue.edu>
+
+ * tradcpp.c (do_error): Cast difference of pointers to int
+ for error message.
+
+2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
+ * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
+
+2000-12-12 Jim Wilson <wilson@redhat.com>
+
+ * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
+
+2000-12-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in: Simplify language enabling/disabling code.
+ * configure: Rebuilt.
+ * ch/config-lang.in (target_libs): Set.
+ (build_by_default): Set to no.
+ * cp/config-lang.in (target_libs): Set.
+ * f/config-lang.in (target_libs): Set.
+ * java/config-lang.in (target_libs): Set.
+ * objc/config-lang.in (target_libs): Set.
+
+2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * tradcpp.c (enum node_type): Add T_ERROR.
+ (do_error): New function.
+ (directive_table): Add #error handler.
+
+2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
+ for powerpc*-*-*.
+ * configure: Regenerated.
+ * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
+ * config/rs6000/rs6000.c (rs6000_unique_section): Use
+ STRIP_NAME_ENCODING.
+
+Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
+ * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
+ changes.
+
+2000-12-11 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.tpl: initialize all fields for warnings
+ * fixinc/fixincl.x: regenerate
+
+2000-12-11 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.h: For tradcpp, NUL is not whitespace.
+
+2000-12-11 Neil Booth <neilb@earthling.net>
+
+ * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
+
+2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
+ (compare_diff_p, compare_eq_p): Call compare_condition.
+ (out_tsthi, out_tstsi): Call compare_sign_p.
+ (avr_progmem_p): Check for error_mark_node.
+
+2000-12-11 Neil Booth <neilb@earthling.net>
+
+ * cpperror.c (print_location): New function.
+ (print_containing_files): Simplify.
+ (_cpp_begin_message): Simplify and use print_location.
+ * cppfiles.c (stack_include_file): Update.
+ (_cpp_pop_file_buffer): Update.
+ * cpphash.h (struct cpp_buffer): New members
+ include_stack_listed and type.
+ * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
+ (run_directive): Take buffer type. cpp_push_buffer cannot fail.
+ (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
+ handle_assertion): Update.
+ (cpp_push_buffer): Take a buffer type and file name.
+ (cpp_pop_buffer): Update. Clear include_stack_listed.
+ * cpplib.h (input_stack_listing_current): Remove.
+ (enum cpp_buffer_type): New.
+ (cpp_push_buffer): New prototype.
+ * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
+ * fix-header.c (read_scan_file): Update.
+
+2000-12-10 Robert Lipe <robertlipe@usa.net>
+
+ * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
+ in html version.
+
+2000-12-10 Richard Henderson <rth@redhat.com>
+
+ * genrecog.c (find_operand): Handle 'V' format code.
+ (find_matching_operand): New.
+ (validate_pattern): Accept '=' for an in-out operand if there
+ is another operand with a matching constraint.
+
+ * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
+ for op1 to op0.
+
+2000-12-10 Richard Henderson <rth@redhat.com>
+
+ * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
+
+2000-12-09 Richard Henderson <rth@redhat.com>
+
+ * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
+ STRICT_LOW_PART as SET_DEST have in-out constraints.
+
+2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_function_format): Don't suggest adding format
+ attributes to functions with no parameter to which to add them.
+
+2000-12-09 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (arm_expand_prologue): Mark the generated
+ insn not the set as being DWARF2_FRAME_RELATED_P.
+
+2000-12-09 Laurynas Biveinis <lauras@softhome.net>
+
+ * Makefile.in: use $(build_exeext) for all build
+ system executable targets.
+
+2000-12-09 Laurynas Biveinis <lauras@softhome.net>
+
+ * install.texi: remove i[345]86-*-winnt3.5 section.
+ * configur.bat: removed.
+ * config/msdos: directory removed.
+
+2000-12-09 Neil Booth <neilb@earthling.net>
+
+ * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
+ * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
+ * cpplex.c (parse_identifier): Improve diagnostic.
+ (_cpp_lex_token): Return unconditionally at the end of a directive.
+ * cpplib.c (read_flag): Verify legality of each flag.
+ (end_directive): Resotre pfile->skipping before skip_rest_of_line.
+ (do_line): Use the new read_flag.
+ * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
+ check_macro_redefinition, parse_params): Rename var_args to
+ variadic.
+
+2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * .cvsignore: Add info files.
+
+2000-12-08 Laurynas Biveinis <lauras@softhome.net>
+
+ * config/winnt: Remove obsolete directory.
+ * install.texi (Configurations): Remove obsolete documentation for
+ Windows NT.
+
+2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in: Don't define INSTALL_INFO.
+ * configure: Regenerate.
+ * Makefile.in (INSTALL_INFO): Remove.
+ (info): Depend on info files in source directory.
+ (cpp.info, gcc.info, c-tree.info): Build info files in source
+ directory.
+ (distclean): Don't remove info files.
+ (maintainer-clean): Remove info files from source directory.
+ (install-normal): Depend on install-info.
+ (install-info): Install info files from source directory, if they
+ exist.
+ * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
+
+2000-12-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
+ before taking its NOTE_LINE_NUMBER.
+
+2000-12-08 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.md (load_indirect_jump): Add pool ranges.
+
+ * extend.texi: Document ARM "interrupt" function attribute.
+ Mention that the ARM also support the "naked" function
+ attribute.
+
+ * config/arm/arm-protos.h (arm_current_func_type): Add
+ prototype.
+
+ * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
+ (struct machine_function): Add 'func_type' field.
+ Define bit values for 'func_type' field.
+ (ARM_FUNC_TYPE): New macro.
+ (IS_INTERRUPT): New macro.
+ (IS_VOLATILE): New macro.
+ (IS_NAKED): New macro.
+ (IS_NESTED): New macro.
+ (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
+
+ * config/arm/arm.c (isr_attribute_args): New Structure. A
+ list of "interrupt" function attribute modifiers.
+ (arm_isr_value): New Function: Returns the type of the current
+ interrupt function.
+ (arm_compute_func_type): New Function: Computes the type of
+ the current function.
+ (arm_current_func_type): New Function: Returns the type of the
+ current function.
+ (use_return_insn): Use arm_current_func_type.
+ (arm_valid_type_attribute_p): Accept "interrupt" function
+ attribute.
+ (arm_comp_type_attributes): Check "interrupt" attributes.
+ (arm_valid_machine_decl): Accept "interrupt" function
+ attribute.
+ (arm_function_ok_for_sibcall): Do not allow interrupt
+ functions to use sibcalls.
+ (arm_naked_function_p): Delete.
+ (print_multi_reg): Remove redundant parameter 'hat'.
+ (arm_compute_save_reg_mask): New Function: Compute a bit mask
+ of registers saved during the current function's prologue.
+ (output_arm_return_instruction): Use arm_current_func_type.
+ Generate return instruction when LR is not poppsed off the
+ stack.
+ (arm_volatile_func): Delete.
+ (output_arm_prologue): Use arm_current_func_type and
+ arm_compute_save_reg_mask.
+ Note presernce of interrupt functions.
+ (arm_output_epilogue): Use arm_current_func_type and
+ arm_compute_save_reg_mask.
+ (arm_expand_prologue): Use arm_current_func_type and
+ arm_compute_save_reg_mask.
+ (arm_init_machine_status): Initialize func_type field, if
+ necessary.
+ (thumb_expand_prologue): Use arm_current_func_type.
+ (output_thumb_prologue): Use arm_current_func_type.
+
+2000-12-08 Brad Lucier <lucier@math.purdue.edu>
+
+ * tradcpp.c (do_include): Make pointer differences 64-bit clean.
+
+Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
+ for multiplies.
+
+2000-12-07 Mike Stump <mrs@wrs.com>
+
+ * Makefile.in (distclean): Remove alloca.c hashtab.c.
+
+2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * Makefile.in (HOST_RTL): Add safe-ctype.o.
+ (safe-ctype.o): New rule.
+ * system.h: Include safe-ctype.h, not ctype.h. No need to
+ wrap ctype macros.
+
+ * cpphash.h: Zap IStable and related macros. Define is_* in
+ terms of safe-ctype.h macros.
+ * cppinit.c: Delete the IStable and all related code.
+
+ * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
+ is_space arrays. Delete initialize_char_syntax. Change all
+ references to the above arrays to use macros instead.
+ * tradcpp.h: Define is_idchar, is_idstart, is_space, and
+ is_nvspace in terms of safe_ctype.h's macros.
+ * tradcif.y: is_idchar, is_idstart are macros not arrays.
+
+ * config/i370/i370.c, config/winnt/dirent.c,
+ config/winnt/fixinc-nt.c, config/winnt/ld.c:
+ Use uppercase ctype macros. If we included ctype.h,
+ include safe-ctype.h instead.
+
+ * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
+ ISLOWER(c) before calling TOUPPER(c).
+ * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
+ * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
+ wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
+
+2000-12-07 DJ Delorie <dj@redhat.com>
+
+ * c-decl.c (grokdeclarator): preserve previous alignments when
+ rebuilding array types.
+
+2000-12-07 Neil Booth <neilb@earthling.net>
+
+ * cppfiles.c (struct include_file): Move from cpphash.h.
+ (_cpp_never_reread): New function.
+ (open_file, read_include_file): Use it.
+ (stack_include_file): Set the buffer's sysp according to the
+ path in which the file was found.
+ (find_include_file): Don't set sysp.
+ (cpp_make_system_header, actual_directory): Update.
+ (_cpp_execute_include): Do #include_next lookup handling here,
+ not in cpplib.c. Use _cpp_never_reread.
+ * cpphash.h (struct_include_file): Remove.
+ (struct cpp_buffer): New member sysp.
+ (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
+ (_cpp_never_reread): New.
+ * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
+ (end_directive): Clear line_extension flag.
+ (_cpp_handle_directive): Set line_extension flag for #number.
+ (do_include_next): Handle path lookup in _cpp_execute_include.
+ (do_line): Cleanup to use read_flag. Don't allow flags in #line.
+ (_cpp_do_file_change): Update.
+ (do_pragma_once): Use cpp_never_reread. Clean up.
+ * cpplib.h (struct lexer_state): New member line_extension.
+
+2000-12-07 Richard Henderson <rth@redhat.com>
+
+ * flow.c (calculate_global_regs_live): Force the stack pointer live
+ after reload as well.
+
+2000-12-07 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.*(exeext): the variables are exeext, the
+ substitution expression is build_exeext.
+
+2000-12-07 Neil Booth <neilb@earthling.net>
+
+ * c-common.c (parse_in): Make a cpp_reader *.
+ * cppfiles.c (_cpp_fake_include): Remove.
+ * cpphash.h: Similarly.
+ * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
+ #line always creates a callback; FC_RENAME if there are no
+ #line flags.
+ * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
+ The first EOF must be our get_char buffer.
+
+2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (warn_format_security): New variable.
+ (check_format_info): Warn about non-literal formats with no format
+ arguments if either -Wformat-nonliteral or -Wformat-security is
+ specified.
+ (set_Wformat): Set warn_format_security for settings other than 1.
+ * c-common.h (warn_format_security): Declare.
+ * c-decl.c (c_decode_option): Decode -Wformat-security and
+ -Wno-format-security.
+ * invoke.texi: Document -Wformat-security.
+ * toplev.c (documented_lang_options): Include -Wformat-security
+ and -Wno-format-security.
+
+2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_info): Warn for non-constant format
+ strings with strftime formats if -Wformat-nonliteral. Where the
+ format can convert arguments, if the format is not a string
+ literal and there are no arguments to the format, give a different
+ warning message from the general non-string-literal case.
+
+2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (format_wanted_type): Add reading_from_flag.
+ (print_char_table): Mark %s and %S formats with flag "R".
+ (check_format_info_main): Set up reading_from_flag appropriately.
+ If aflag, always set writing_in_flag rather than relying on the
+ format used being a scanf format and so having it set.
+ (check_format_types): Check for formats reading through null
+ pointers.
+
+2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi (-Wformat): Document what format features are
+ checked.
+
+2000-12-06 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h: Fix formatting.
+
+2000-12-06 Joel Sherrill <joel@OARcorp.com>
+
+ * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
+ h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
+ * config.gcc (*-rtems*): Add support for gthr-rtems.h.
+ * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
+ config/h8300/rtems.h, config/mips/rtems.h: New files.
+
+2000-12-06 Mark Kettenis <kettenis@gnu.org>
+
+ * config.gcc: Reorganize handling of *-*-gnu*, to share target
+ specific make details with Linux. Update comments to clarify
+ the distinction between GNU/Linux and GNU/Hurd.
+
+Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
+
+ * contrib.texi: Fix my email address. Update Per's
+ list of contributions.
+
+2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
+
+ * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
+ * collect2.c (scan_libraries): Remove unused `ch'.
+ (COFF specific stuff): Prototype ldgetname. Declare and prototype
+ ldbtread and ldclose.
+
+ * config/alpha/osf.h: Standarize copyright statement.
+ * config/arc/arc.h: Likewise.
+ * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
+ * config/arm/arm.c config/arm/arm.h: Likewise.
+ * config/elxsi/elxsi.h: Likewise.
+ * config/i386/sco.h: Likewise.
+ * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
+ * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
+ * config/m68k/sun3.h: Likewise.
+ * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
+ * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
+ * config/romp/romp.h: Likewise.
+ * config/rs6000/aix41.h: Likewise.
+ * config/sparc/sysv4.h: Likewise.
+ * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
+ * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
+ * cpplib.h cppexp.c cselib.h profile.c: Likewise.
+ * longlong.h: Likewise.
+ * libgcc2.c: Likewise.
+
+2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * machmode.def: Use correct definition for BITSIZE on targets where
+ BITS_PER_UNIT != 8.
+
+2000-12-06 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
+ the number of them.
+
+2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c: Include expr.h before c-tree.h.
+ (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
+ instead of reverse_condition.
+ (print_operand): Correct predicates for GT, GE, LT and LE. Add
+ predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
+ ORDERED.
+ (cmpib_comparison_operator): Add GEU and LTU codes.
+ * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
+ * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
+ bordered): New float conditional branch patterns.
+
+Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
+
+2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
+
+ * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
+ backslash and newline, when inside a comment.
+
+2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Use @table @samp instead of @itemize @minus for
+ table of language standards. Fix use of @pxref. From Zack
+ Weinberg. Also exclude specs documentation from generated
+ manpage, and create separate ENVIRONMENT section.
+
+2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * gcse.c (compute_pre_data): Kill trapping expressions in
+ destination blocks of abnormal edges.
+
+2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
+
+ * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
+ (mn10300_get_live_callee_saved_regs): Likewise.
+ (mn10300_gen_multiple_store): Likewise.
+ (store_multiple_operation): Likewise.
+ (expand_prologue): Use mn10300_gen_multiple_store().
+ * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
+ (mn10300_get_live_callee_saved_regs): Likewise.
+ (mn10300_gen_multiple_store): Likewise.
+ (store_multiple_operation): Likewise.
+ * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
+ tied to store_multiple_operation().
+
+Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
+
+ * builtins.c (expand_builtin_setjmp_setup): Set
+ current_function_has_nonlocal_label.
+
+2000-12-05 Neil Booth <neilb@earthling.net>
+
+ * cppfiles.c (stack_include_file): Push zero-length buffers
+ in case of failure. Return void, as we don't fail any more.
+ (read_include_file): Check for files we shouldn't re-read.
+ Don't return an error code; errors are implied by marking the
+ file NEVER_REREAD.
+ (_cpp_execute_include): Move the recursion and in-macro checks
+ here. Update for stack_include_file not failing.
+ * cpplib.c (cpp_push_buffer): Always succeed, since
+ _cpp_execute_include performs the recursion check. Tidy up.
+ * cpplib.h (cpp_push_buffer): Update prototype.
+
+2000-12-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * sched-vis.c (visual_tbl_line_length): New variable.
+ (get_visual_tbl_length): Set it.
+ (visualize_stall_cycles): Don't let stalls overrun
+ visual_tbl_line_length.
+
+2000-12-05 Geoffrey Keating <geoffk@redhat.com>
+
+ * global.c (global_conflicts): Allow for a REG_UNUSED note
+ with a different mode to the REG set in the insn.
+
+2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
+
+ * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
+
+2000-12-05 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
+ GNU/Linux.
+
+2000-12-05 Richard Earnshaw <rearnsha@arm.com>
+
+ * fixinc/mkfixinc.sh: Run fixinc on netbsd.
+ * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
+ to cope with aliased copies.
+ * fixinc/fixincl.x: Regenerate.
+
+2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
+ * sched-rgn.c: Likewise.
+ (rgn_print_insn): Fix output.
+
+2000-12-05 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.*: make these more consistent
+ * fixinc/mkfixincl.sh: enable BeOS fixincludes
+
+2000-12-05 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (warn_if_unused_value): Move side effects test earlier.
+
+2000-12-05 Alan Modra <alan@linuxcare.com.au>
+
+ * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
+ when using sjlj.
+
+2000-12-05 Richard Henderson <rth@redhat.com>
+
+ * flow.c (calculate_global_regs_live): Only force stack pointer
+ live before reload. Force pic register live before reload.
+ (insn_dead_p): Don't protect pic references from deletion.
+
+2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Add support for using texi2pod.pl. Don't use
+ @multitable.
+
+2000-12-04 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
+ 'tune_flags' for XScale nature.
+ Remove spurious test of HARD_FLOAT and XScale flags.
+
+ * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
+ contraint, accidentally changed during XScale contribution.
+
+ * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
+ not create these functions if the target architecture does not
+ support Thumb instructions.
+
+2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ONEWS: New file with the current contents of NEWS up to EGCS
+ 1.1.
+ * NEWS: Generate automatically from online release notes from EGCS
+ 1.0 to GCC 2.95.2, using ../contrib/gennews.
+
+2000-12-04 Neil Booth <neilb@earthling.net>
+
+ * tradcif.y: Move lexptr to top of file. Add rule to handle
+ assertions in conditional expressions.
+ * tradcpp.c (parse_answer): Assertions do not need to go to
+ end of line in conditional directives.
+ (parse_assertion): Get first character of identifiers correct.
+ (test_assertion): New function.
+ * tradcpp.h (test_assertion): New prototype.
+
+2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
+
+ * config.gcc: Fix typo for UnixWare 7.
+
+2000-12-03 Phil Edwards <pme@sources.redhat.com>
+
+ * invoke.texi: Replace `pedwarns' with clearer text.
+
+2000-12-04 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.*(clean): don't clean autogenerated files.
+ (mainainer-clean): clean autogenerated files
+
+2000-12-04 DJ Delorie <dj@redhat.com>
+
+ * md.texi: Add overview, clarify match_dup and define_expand.
+
+2000-12-04 DJ Delorie <dj@redhat.com>
+
+ * print-tree.c (print_node): Target-specific builtins print
+ numbers, not names.
+
+2000-12-04 Jason Merrill <jason@redhat.com>
+
+ * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
+ MODE_VECTOR_FLOAT.
+
+ * diagnostic.c (report_problematic_module): s/function/module/.
+
+ * c-lex.h: Remove decl for check_newline.
+
+2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.APOLLO: Remove obsolete file.
+
+2000-12-04 Neil Booth <neilb@earthling.net>
+
+ * cppinternals.texi: New file.
+
+2000-12-04 Neil Booth <neilb@earthling.net>
+
+ * cppfiles.c (cpp_make_system_header): Take 2 booleans,
+ and operate on current buffer.
+ (cpp_read_file): Rename _cpp_read_file.
+ * cpplib.c (do_line, do_pragma_system_header): Update calls to
+ cpp_make_system_header.
+ * fix-header.c: Similarly.
+ * cpphash.h (_cpp_read_file): Move from...
+ * cpplib.h: ... here.
+ * cppinit.c (do_includes, cpp_start_read): Update appropriately.
+
+2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
+ Handle another transformation.
+
+2000-12-03 Nick Clifton <nickc@redhat.com>
+
+ * config.gcc: Add support for StrongARM targets.
+ * config/arm/t-strongarm-elf: New file.
+ * config/arm/t-strongarm-coff: New file.
+ * config/arm/t-strongarm-pe: New file.
+ * config/arm/strongarm-pe.h: New file.
+
+2000-12-03 Nick Clifton <nickc@redhat.com>
+
+ * NEWS: Mention XScale has been added.
+ * config.gcc: Add support for XScale targets.
+ * config/arm/arm.h: Add support for XScale processor.
+ * config/arm/arm.c: Add support for XScale processor.
+ * config/arm/arm.md: Add support for XScale processor.
+ * config/arm/t-xscale-elf: New file.
+ * config/arm/t-xscale-coff: New file.
+ * config/arm/xscale-elf.h: New file.
+ * config/arm/xscale-coff.h: New file.
+
+2000-12-03 Richard Henderson <rth@redhat.com>
+
+ * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
+ unless exception handling is enabled, and if not using sjlj.
+
+ * builtins.c (expand_builtin_setjmp_setup): New.
+ (expand_builtin_setjmp_receiver): New.
+ (expand_builtin_setjmp): Split out _setup and _receiver functions.
+ Move argument parsing in from ...
+ (expand_builtin): ... here.
+ * except.c (receive_exception_label): Branch around receiver
+ unless new-style exceptions. Call expand_builtin_setjmp_receiver.
+ (start_dynamic_handler): Call expand_builtin_setjmp_setup.
+ * expr.h: Update builtin setjmp decls.
+
+2000-12-03 Bruce Korb <bkorb@gcc.org>
+
+ * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
+ build machine name. Default to the target.
+
+2000-12-03 Laurynas Biveinis <lauras@softhome.net>
+
+ * Makefile.in: use $(build_canonical), not $(canonical_build).
+
+2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * Makefile.in (OBJS): Add sched-rgn.o.
+ (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
+ longer static.
+ (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
+ INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
+ UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
+ MAX_BLOCKAGE_COST): Move to sched-int.h.
+ (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
+ IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
+ FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
+ OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
+ rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
+ RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
+ debug_regions, find_single_block_region, find_rgns, too_large,
+ init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
+ bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
+ extract_bitlst, bblst, struct candidate, candidate_table,
+ bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
+ SRC_PROB, target_bb, split_edges, compute_trg_info,
+ debug_candidate, debug_candidates, bbset, bbset_size, dom,
+ IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
+ rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
+ EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
+ compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
+ IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
+ MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
+ update_live, set_spec_fed, is_pfree, find_conditional_protection,
+ is_conditionally_protected, may_trap_exp, haifa_classify_insn,
+ is_prisky, is_exception_free, add_branch_dependences,
+ propagate_deps, compute_block_backward_dependences,
+ debug_dependencies, is_cfg_nonregular, build_control_flow,
+ new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
+ BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
+ UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
+ CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
+ target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
+ can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
+ rgn_rank, region_sched_info): Move to sched-rgn.c.
+ (debug_reg_vector): Delete useless function.
+ (get_bb_head_tail): Likewise.
+ (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
+ no_real_insns_p, rm_line_notes, save_line_notes,
+ restore_line_notes, rm_redundant_line_notes, sched_init): No
+ longer static.
+ (rm_line_notes, save_line_notes, restore_line_notes,
+ schedule_block, set_priorities): Change argument to be a real
+ basic block, not one of haifa's "bb"s. All callers changed
+ (rm_other_notes): Initialize note_list here, not in
+ schedule_region.
+ (sched_finish): New function, called from schedule_insn. * *
+ sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
+ INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
+ UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
+ MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
+ (get_block_head_tail, no_real_insns_p, rm_line_notes,
+ save_line_notes, restore_line_notes, rm_redundant_line_notes,
+ rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
+ sched_init, sched_finish, ready_add, insn_cost): Declare.
+
+2000-12-03 Laurynas Biveinis <lauras@softhome.net>
+ Bruce Korb <bkorb@gnu.org>
+
+ * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
+ * fixinc/mkfixinc.sh: accept build system name as an argument.
+ Use it for choosing the fix build method. Use the target for
+ selecting special fix rules.
+
+2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * Makefile.in (OBJS): Add sched-deps.o.
+ (sched-deps.o): New rule.
+ * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
+ sched-int.h.
+ (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
+ sched-int.h.
+ (SIZE_FOR_MODE): Delete unused macro.
+ (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
+ reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
+ anti_dependency_cache, output_dependency_cache,
+ forward_dependency_cache): Variables moved to sched-deps.c.
+ (add_dependence, remove_dependence, find_insn_list,
+ find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
+ sched_analyze_insn, sched_analyze_1, sched_analyze_2,
+ sched_analyze, group_leader, compute_forward_dependences,
+ init_deps, free_deps, init_dependency_caches, free_dependency_caches):
+ Functions moved to sched-deps.c.
+ (schedule_region): Call init_deps_global and finish_deps_global
+ instead of directly manipulating dependency data structures.
+ * sched-deps.c: New file.
+ (init_deps_global, finish_deps_global): New functions.
+ * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
+ haifa-sched.c.
+ (h_i_d): Declare.
+ (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
+ from haifa-sched.c.
+
+ * Makefile.in (OBJS): Add sched-vis.o.
+ (sched-vis.o): New rule.
+ * haifa-sched.c (get_unit_last_insn): New function.
+ (sched_dump, insn_unit, actual_hazard_this_instance): No longer
+ static.
+ (schedule_block): Call visualize_alloc and visualize_free. Delete
+ spurious return statement.
+ (init_target_units, insn_print_units, get_visual_tbl_length,
+ init_block_visualization, print_block_visualization, safe_concat,
+ visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
+ print_exp, print_value, print_pattern, print_insn, target_units,
+ MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
+ n_vis_no_unit, vis_no_unit): Move scheduling visualization
+ functions/variables...
+ * sched-vis.c: ...here. New file.
+ (visualize_alloc, visualize_free): New functions.
+ (visualize_scheduled_insns, visualize_stall_cycles,
+ print_block_visualization): Lose basic block argument. All callers
+ changed.
+ (visualize_scheduled_insns): Use new function get_unit_last_insn.
+ * sched-int.h (current_sched_info, sched_dump): Declare.
+ (init_target_units, insn_print_units, init_block_visualization,
+ print_block_visualization, visualize_scheduled_inns,
+ visualize_no_unit, visualize_stall_cycles, visualize_alloc,
+ visualize_free): Declare functions.
+
+ * sched-int.h: New file.
+ * Makefile.in (haifa-sched.o): Depend on it.
+ * haifa-sched.c: Include it.
+ (no_real_insns_p): New function.
+ (current_sched_info): New static variable.
+ (__inline, HAIFA_INLINE): Moved to sched-int.h.
+ (get_block_head_tail): Minor cleanup.
+ (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
+ rgn_print_insn, rgn_rank): New functions, broken out of
+ rank_for_schedule, schedule_insn and schedule_block, where they
+ are now called through function pointers in current_sched_info.
+ (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
+ print_insn): To display uid and block number, call the print_insn
+ function pointer in current_schedule_info.
+ (region_sched_info): New static variable.
+ (sched_target_n_insns, sched_n_insns, target_n_insns): New global
+ variables, moved out of schedule_block.
+ (schedule_block): Return void. All callers changed.
+ Move some of the setup code into schedule_region. Get head/tail
+ from current_sched_info, and update it when done.
+ (schedule_region): Slightly rearranged, some code moved here from
+ schedule_block. Call no_real_insns_p to avoid doing work for a
+ block that consists only of notes and labels.
+ (schedule_insns): Initialize current_sched_info.
+
+2000-12-03 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
+ by contexts drops AFTER argument pre-expansion, so that they
+ remain enabled during argument pre-expansion.
+ (_cpp_pop_context): Unconditionally re-enable a macro when
+ dropping a context level.
+
+2000-12-03 Manfred Hollstein <manfredh@redhat.com>
+
+ * arm/t-linux (MULTILIB_OPTIONS): Comment.
+ (MULTILIB_DIRNAMES): Likewise.
+ (EXTRA_MULTILIB_PARTS): Likewise.
+ (LIBGCC): Likewise.
+ (INSTALL_LIBGCC): Likewise.
+
+2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
+ expand_builtin_strspn, expand_builtin_strcspn): New functions.
+ (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
+ BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
+
+ * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
+ BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
+
+ * c-common.c (c_common_nodes_and_builtins): Declare builtin
+ strcat, strncat, strspn and strcspn.
+ (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
+
+ * extend.texi (strcat, strcspn, strncat, strspn): Document new
+ builtins.
+
+2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strcmp): Use const*_rtx when
+ expanding strcmp at compile-time. Add another transformation.
+ (expand_builtin_strncmp): Add more transformations. Call
+ expand_builtin_memcmp, not expand_builtin_strcmp, under
+ appropriate conditions if HAVE_cmpstrsi.
+
+2000-12-02 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
+ instruction.
+ (cr logic): Really make operands sequential.
+
+2000-12-02 Geoffrey Keating <geoffk@redhat.com>
+
+ * c-common.c (combine_strings): When the ISO C standard specifies
+ the maximum length of a string, it doesn't include the trailing
+ zero byte.
+
+ * cpplib.c (do_ifdef): Add check_eol() call.
+ (do_ifndef): Likewise.
+
+2000-12-02 Daniel Berlin <dberlin@redhat.com>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
+ * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
+ * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
+ * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
+ use the "__need_" hackery. It breaks them.
+ * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
+ Sometimes on DOS and BeOS the temp output file cannot be opened.
+ Skip the file noisily. Ought to be fixed instead.
+
+2000-12-02 Bruce Korb <bkorb@gnu.org>
+
+ From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixfixes.c (emit_gnu_type, format_write): Prototype.
+ (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
+ custom uppercase ctype macros.
+ * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
+ Use gcc's custom uppercase ctype macros.
+ (main): Prototype.
+ (machine_matches): Add static prototype and constify variable.
+ (create_file, test_test, egrep_test): Add static prototype.
+ (quoted_file_exists): Likewise, and constify parameters.
+ (extract_quoted_files, internal_fix, start_fixer, fix_applies,
+ write_replacement, test_for_changes): Add static prototype.
+ (write_replacement, test_for_changes): Delete excess argument to
+ `create_file'.
+ * fixtests.c (test): Make static.
+ * server.c (load_data, sig_handler, server_setup, find_shell): Add
+ static prototype.
+ (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
+
+2000-12-02 Bruce Korb <bkorb@gnu.org>
+
+ * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
+ (per Laurynas Biveinis <lauras@softhome.net>)
+
+2000-12-02 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
+ macros.
+ (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
+ (REGNO_OK_FOR_FOR_BASE_P): Delete.
+ (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
+ both strict and non-strict uses.
+ (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
+ (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
+ (REG_OK_FOR_INDEX_P): Define in terms of above.
+ (REG_OK_FOR_BASE_P): Delete.
+ (REG_OK_FOR_PRE_POST_P): Delete.
+ (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
+ (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
+ (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
+ (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
+ (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
+ specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
+ in pre/post increment cases.
+ (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
+ (ARM_LEGITIMIZE_ADDRESS): Similarly.
+ (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
+ * arm.c (legitimate_pic_address): Similarly.
+
+2000-12-02 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.c (struct answer, parse_assertion, parse_answer,
+ canonicalize_text, find_answer): New.
+ (do_assert, do_unassert): Provide appropriate function bodies.
+ (union hashval): New member answers.
+
+2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.md: Document UNSPEC usage.
+ (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
+ Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
+ MEM for program memory word reference. Do not add the label to
+ the table index in each of the asm output templates, instead ...
+ (casesi): ... do it in RTL. Adjust to match the above change.
+
+2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * c-common.c (PTRDIFF_TYPE): Provide default here, ...
+ * c-decl.c: ... not here.
+
+ * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
+ (old_max_uid): New variable.
+ (compute_forward_dependences): Renamed from
+ compute_block_forward_dependences; changed to accept block head and
+ tail instead of block number. Caller changed.
+ (free_deps, init_dependency_caches, free_dependency_caches,
+ init_regions, sched_init): New functions, split out from
+ schedule_insns and compute_block_backward_dependences.
+
+2000-12-02 Neil Booth <neilb@earthling.net>
+
+ * cppexp.c (parse_number): Update diagnostic test.
+
+2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload1.c (free_for_value_p): New function, frontend to
+ reload_reg_free_for_value_p. All callers of the latter now call
+ this function with an additional mode argument.
+
+2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * install.texi (Configurations): Remove obsolete documentation for
+ hppa*-*-*.
+
+2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * install.texi (Installation): Remove obsolete description for
+ libstdc++ which is now an integral part of GCC.
+
+2000-12-01 Jim Blandy <jimb@redhat.com>
+
+ * dbxout.c (dbxout_parms): Correctly describe parameters passed by
+ invisible reference in registers, but then spilled to the stack.
+ Remove code to emit a second stab for such parameters; it attempts
+ to describe the value's location by introducing a synthetic C++
+ `reference' type, and then saying the stack slot has that
+ reference type. This loses type information (breaking GDB's
+ `ptype' command, among other things) just to describe a location
+ which stabs can represent correctly in other ways.
+
+2000-12-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * final.c (output_addr_const) <PLUS>: Don't assume at least one
+ operand is a CONST_INT.
+
+ * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
+ (machine_dependent_reorg): Split all insns.
+ * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
+ reg_class_contents[SIBCALL_REGS].
+ (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
+ * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
+ call_value_pcrel, call, call_value, sibcall): Match even when
+ not optimizing.
+ (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
+ for call address.
+ (sibcalli): Likewise.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (warn_format, warn_format_y2k,
+ warn_format_extra_args, warn_format_nonliteral): Define.
+ (check_format_info): Check warn_format_nonliteral and
+ warn_format_extra_args.
+ (check_format_info_main): Check warn_format_y2k.
+ (set_Wformat): New function.
+ * c-common.h (warn_format_y2k, warn_format_extra_args,
+ warn_format_nonliteral, set_Wformat): Declare.
+ * c-decl.c (warn_format): Remove definition.
+ (c_decode_option): Handle -Wformat-nonliteral,
+ -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
+ Use set_Wformat.
+ * invoke.texi: Document these new options and -Wformat=2.
+ * toplev.c (documented_lang_options): Add these new options.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * builtins.def (BUILT_IN_IMAXABS): Add.
+ * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
+ * c-common.c (c_common_nodes_and_builtins): Create builtin
+ functions __builtin_imaxabs, and plain imaxabs unless
+ flag_no_nonansi_builtin outside C99 mode.
+ (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
+ * extend.texi: Document builtin imaxabs.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c: Include "defaults.h".
+ (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
+ (c_common_nodes_and_builtins): Create string_type_node,
+ const_string_type_node, wint_type_node, intmax_type_node,
+ uintmax_type_node, default_function_type, ptrdiff_type_node and
+ unsigned_ptrdiff_type_node.
+ * c-common.h (identifier_global_value): Declare.
+ * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
+ (init_decl_processing): Don't create string_type_node,
+ const_string_type_node, wint_type_node, intmax_type_node,
+ uintmax_type_node, default_function_type, ptrdiff_type_node and
+ unsigned_ptrdiff_type_node.
+ (identifier_global_value): New function.
+
+2000-12-01 Neil Booth <neilb@earthling.net>
+
+ * cppinit.c (initialize): Forgotten prototype.
+ * cpplex.c (_cpp_lex_token): Loop until not skipping.
+ Always clear PREV_WHITE upon meeting a new line.
+ * cpplib.c (end_directive): Set pfile->skipping after
+ skip_rest_of_line.
+ * cpplib.h (cpp_reader): Remove macro_pos.
+ * cppmacro.c (cpp_get_line): Don't do anything special inside
+ macros.
+ (parse_arg): Add PREV_WHITE if a token appears after new lines.
+ (funlike_invocation_p): Save and restore the output position
+ over a successful check for a '('.
+ (enter_macro_context): Delete uses of macro_pos.
+ (cpp_get_token): Don't use pfile->skipping.
+
+2000-12-01 Phil Edwards <pme@sources.redhat.com>
+
+ * diagnostic.c: Fix typos in comments.
+ * diagnostic.h: Likewise.
+
+2000-11-30 Phil Edwards <pme@sources.redhat.com>
+
+ * rtl.texi (Machine Modes): Document BImode and OImode.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
+ .FPP.
+
+2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
+ incomplete element type.
+ (grokparms): Before checking for incomplete parameter type, check
+ the type isn't error_mark_node.
+
+2000-12-01 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (target_char_cast): New function.
+ (expand_builtin_strchr): Use it.
+ (expand_builtin_strrchr): Use it.
+ (builtin_memset_read_str): New function.
+ (expand_builtin_memset): Use target_char_cast.
+ Try to optimize memset with second argument nonzero using
+ store_by_pieces.
+
+2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * install.texi (avr): Replace incomplete list of supported MCU
+ types with a link to the current one ...
+ * invoke.texi (AVR Options): ... here. Update -mmcu= to list
+ all supported MCU types. Document -minit-stack= default.
+ Document new options -mno-tablejump, -mtiny-stack.
+ * md.texi (AVR family): Fix typo in 'w' constraint letter
+ description. Document 'q'. Update 'O'.
+
+2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * combine.c (cant_combine_insn_p): Only disallow insns involving
+ hard regs if they are reg-reg moves.
+ (try_combine, can_combine_p, combinable_i3pat): Delete old
+ SMALL_REGISTER_CLASSES tests.
+
+2000-12-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
+ whether X is a CONST_INT.
+ (addsubcosts): Likewise.
+
+ * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
+ mis-used XINT.
+ (ARG_POINTER_REGNUM): Set to AP_REG.
+
+2000-11-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
+ splits): Only match on TARGET_SH4.
+
+ * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
+ of subsequent insns.
+
+2000-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
+ * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+2000-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
+ (DO_SELECT_SECTION): New.
+ (SELECT_SECTION): Use it.
+ (UNIQUE_SECTION_P): New.
+ (UNIQUE_SECTION): New.
+
+2000-11-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
+ from va_list before using it.
+
+2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * flow.c (make_edge): Early out, if no flags to set.
+ (calculate_global_regs_live): Clear out garbage only when necessary.
+
+ * simplify-rtx.c (varray_type used_regs): New.
+ (clear_table): Use it to only clear necessary items.
+ (cselib_lookup, cselib_record_set): Remember newly set items.
+ (cselib_update_varray_sizes, cselib_init): Initialize and grow
+ used_regs.
+
+ * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
+ Move clearing of dead regs out of insn-loop.
+
+2000-11-30 Richard Henderson <rth@redhat.com>
+
+ * calls.c (expand_call): Emit queued insns before creating
+ the tail recursion sequence.
+
+2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def(): prevent dual double definition protection
+ * fixinc/fixincl.x: regenerate
+
+2000-11-29 Loren J. Rittle <ljrittle@acm.org>
+
+ * fixinc/Makefile.in (fixincl.x): Explicitly state the
+ location of the generated file.
+
+2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.FRESCO: Remove obsolete file.
+
+2000-11-30 Mark Kettenis <kettenis@gnu.org>
+
+ * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
+ TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
+ config/t-linux for the Hurd.
+
+2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/mn10200/udivmod.c, config/mn10200/divmod.c,
+ config/mn10200/udivmodsi4.c: Moved from here.
+ * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
+ * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
+ C division functions.
+ * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
+
+Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (conditional moves): Avoid holes in operand list.
+ (mod, umod patterns): Similarly.
+ (variable extract/shift patterns): Similarly.
+
+2000-11-30 Neil Booth <neilb@earthling.net>
+
+ * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
+ maybe_objc_check_decl, build_objc_string_object,
+ objc_declare_alias, objc_declare_class, build_message_expr,
+ build_protocol_expr, build_selector_expr, build_encode_expr,
+ get_class_ivars, start_class, start_protocol): Remove
+ redundant code, assuming doing_objc_thang is true.
+
+2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
+ (record_unscaled_index_insn_codes): Likewise.
+ (unscaled_index_insn_codes): Delete.
+ (max_unscaled_index_insn_codes_uid): Delete.
+ (output_function_prologue, output_function_epilogue, pa_reorg):
+ Don't use the unscaled index insn hack.
+
+ * pa.md: Remove hack from all index insns to reverse the operand
+ order of frame and stack pointer references incorrectly created
+ in the reload pass.
+
+ * function.h (emit_status): Delete member regno_pointer_flag and
+ rename regno_pointer_flag_length to regno_pointer_align_length.
+ Delete define for REGNO_POINTER_FLAG.
+ * integrate.h (inline_remap): Delete member regno_pointer_flag.
+ Add member x_regno_reg_rtx.
+ * rtl.h (rtx_def): Use frame_related bit to indicate register is
+ a pointer in REG expressions. Define REG_POINTER macro.
+ * alias.c (find_base_value, find_base_term): Use REG_POINTER
+ instead of REGNO_POINTER_FLAG.
+ * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
+ * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
+ of regno_pointer_flag_length. Remove code which refers to
+ regno_pointer_flag.
+ (mark_reg_pointer): Use REG_POINTER.
+ (free_emit_status): Remove code which refers to regno_pointer_flag.
+ (init_emit, mark_emit_status): Likewise.
+ * flow.c (dump_flow_info): Likewise.
+ * function.c (preserve_temp_slots): Likewise.
+ * integrate.c (expand_inline_function, copy_rtx_and_substitute):
+ Use x_regno_reg_rtx instead of regno_pointer_flag for function
+ pointer determination in map.
+ * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
+ * predict.c (estimate_probability): Likewise.
+ * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
+ * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
+ regno_pointer_flag for function pointer determination in map.
+ * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
+ REG_POINTER.
+ * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
+ Use REG_POINTER.
+ (restore_unscaled_index_insn_codes): Revise comment.
+
+ * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
+
+2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi: Update documentation for attributes.
+
+2000-11-29 David O'Brien <obrien@FreeBSD.org>
+
+ * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
+ (ASM_DECLARE_OBJECT_NAME): Same.
+ (ASM_FILE_END): Same.
+ (ASM_FINISH_DECLARE_OBJECT): Same.
+ (ASM_IDENTIFY_GCC): Same.
+ (ASM_IDENTIFY_LANGUAGE): Same.
+ (ASM_OUTPUT_CONSTRUCTOR): Same.
+ (ASM_OUTPUT_DEF): Same.
+ (ASM_OUTPUT_DESTRUCTOR): Same.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
+ (ASM_OUTPUT_SECTION_NAME): Same.
+ (ASM_WEAKEN_LABEL): Same.
+ (BSS_SECTION_ASM_OP): Same.
+ (COMMON_ASM_OP): Same.
+ (CONST_SECTION_ASM_OP): Same.
+ (CONST_SECTION_FUNCTION): Same.
+ (CTORS_SECTION_ASM_OP): Same.
+ (DTORS_SECTION_ASM_OP): Same.
+ (ESCAPES): Same.
+ (FINI_SECTION_ASM_OP): Same.
+ (IDENT_ASM_OP): Same.
+ (IDENT_ASM_OP): Same.
+ (INIT_SECTION_ASM_OP): Same.
+ (INT_ASM_OP): Same.
+ (MAX_OFILE_ALIGNMENT): Same.
+ (SBSS_SECTION_ASM_OP): Same.
+ (SDATA_SECTION_ASM_OP): Same.
+ (SECTION_FUNCTION_TEMPLATE): Same.
+ (SELECT_SECTION): Same.
+ (SE_CONST_SECTION): Same.
+ (SIZE_ASM_OP): Same.
+ (SKIP_ASM_OP): Same.
+ (STRING_ASM_OP): Same.
+ (STRING_LIMIT): Same.
+ (TYPE_ASM_OP): Same.
+ (TYPE_OPERAND_FMT): Same.
+
+2000-11-29 Neil Booth <neilb@earthling.net>
+
+ * c-decl.c (c_decode_option): Don't handle -lang-objc.
+ * objc/lang-options.h: Remove -lang-objc.
+ * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
+ * objc/objc-act.c (lang_init_options): Set c_language.
+
+2000-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
+ tests.
+
+2000-11-29 Neil Booth <neilb@earthling.net>
+
+ * c-pragma.c (init_pragma): Update for parse_in type change.
+
+2000-11-29 Laurynas Biveinis <lauras@softhome.net>
+
+ * configure.in: recognize DOS-style absolute paths.
+
+2000-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.h (store_by_pieces): Add prototype.
+ (can_store_by_pieces): Likewise.
+ * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
+ (can_store_by_pieces): New.
+ (store_by_pieces): New.
+ (clear_by_pieces): New.
+ (clear_by_pieces_1): New.
+ (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
+ arbitrary compiler generated constants into memory block.
+ (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
+ * builtins.c (c_readstr): New.
+ (builtin_memcpy_read_str): New.
+ (expand_builtin_memcpy): If src is string constant and
+ emit_block_move would move it by pieces, compute integer constants
+ from the string and store it into memory block instead.
+ (builtin_strncpy_read_str): New.
+ (expand_builtin_strncpy): If N is not constant zero and c_strlen does
+ not return INTEGER_CST, don't optimize.
+ If N is larger than strlen(src) + 1, try to copy the string
+ including padding with store_by_pieces.
+ (expand_builtin_strcmp): If both arguments have side effects, don't
+ optimize.
+ (expand_builtin_fputs): If STR has side effects, don't optimize.
+
+2000-11-29 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
+ Add use of link register.
+
+2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi: Update documentation for default format attributes.
+
+Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
+ a list, to keep track of the sections.
+
+2000-11-28 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.md (pic_load_addr): Split into
+ pic_load_addr_arm and pic_load_addr_thumb.
+
+ * config/arm/arm.c (legitimize_pic_address): Generate either
+ ARM or Thumb versions of pic_load_addr.
+ (arm_finalize_pic): Generate either ARM or Thumb versions of
+ pic_load_addr.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
+ after sibcall do_pending_stack_adjust.
+
+Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * jump.c (delete_insn): Check that REG_LABEL note actually contains
+ a CODE_LABEL.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * c-common.h: Remove flag_digraphs.
+ * c-decl.c: Remove flag_digraphs.
+ (c_decode_option): Don't set it.
+ * c-lex.c (init_c_lex): Don't do anything for digraphs.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * c-parse.in (finish_parse): Update for parse_in type change.
+ (_yylex): Likewise.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
+ indicating whether to scan all buffers on the stack or
+ just one.
+ * cppinit.c (do_includes): Update.
+ * cppmain.c (main): Update.
+ * cpplib.h: Update prototype.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * genoutput.c (validate_insn_operands): New.
+ (gen_insn): Call it.
+
+ * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
+ (divmoddi_internal): Likewise.
+ * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
+ * config/i960/i960.md (branch patterns): Likewise.
+ * config/ia64/ia64.md (tbit_and_0): Likewise.
+ (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
+ * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
+ * config/mips/mips.md (divmodsi4_internal): Likewise.
+ (divmoddi4_internal): Likewise.
+ * config/rs6000/rs6000.md (call patterns): Likewise.
+ * config/sh/sh.md (movsi_y): Likewise.
+ * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
+
+2000-11-28 Richard Henderson <rth@redhat.com>
+
+ * config.gcc: Kill residual pyramid support.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
+ * c-decl.c (c_decode_option): Update to match.
+ * c-lex.c (init_c_lex, yyparse): Update to match.
+ * c-lang.c (lang_init_options): Use cpp_create_reader.
+ * cppinit.c (cpp_init): Rename initialize.
+ (cpp_reader_init): Rename cpp_create_reader. Create the
+ reader. Initialize cpplib if appropriate.
+ * cpplib.h (cpp_create_reader) New prototype.
+ (cpp_init, cpp_reader_init): Delete prototypes.
+ * cppmain.c (general_init, setup_callbacks): New functions.
+ (main): Use them.
+ * fix-header.c (scan_in): Change type to cpp_reader *.
+ (read_scan_file): Update for new cpplib interface and scan_in type.
+
+ * cp/decl.c (parse_in): Change to cpp_reader *.
+ (lang_decode_option): Update.
+ * cp/lex.c (lang_init_options): Use new cpplib interface.
+ (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
+ * cp/spew.c (read_token): Update.
+ * objc/objc-act.c (lang_init_options): Update new cpplib interface.
+
+2000-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * loop.c (load_mems): Avoid using next_label to find end_label. If
+ jumping outside of the loop (other than loop end), don't hoist MEMs
+ out of loop.
+
+2000-11-28 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Don't disable tail recursion based
+ on the loop nest.
+
+2000-11-28 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
+ (struct directive): Drop 4th argument from handlers.
+ (do_define, do_line, do_include, do_undef, do_else, do_elif,
+ do_endif): Similarly.
+ (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
+ (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
+ (make_definition, make_undef): Take a const char*.
+ (make_assertion): New function.
+ (struct directive_table): Update.
+ (main): Handle -A command line argument.
+ (handle_directive): Drop fourth handler argument.
+
+2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
+ is anything but REG or MEM, but look inside STRICT_LOW_PART.
+
+Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
+ (IS_ABSOLUTE_PATHNAME): New macro.
+ * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
+
+2000-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (truncxfsf2_2): Fix predicate.
+
+2000-11-27 Jim Wilson <wilson@redhat.com>
+
+ * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
+
+2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
+
+ * extend.texi (Nested Functions): Update URL of Usenix paper.
+
+2000-11-27 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (free_after_compilation): Clear x_clobber_return_insn.
+
+2000-11-27 Neil Booth <neilb@earthling.net>
+
+ * cppinit.c (cpp_reader_init): Remove handling of warn_paste
+ command line options.
+ (cpp_handle_option): Similarly.
+ * cpplib.h (struct cpp_options): Remove warn_paste.
+ * cppmacro.c (paste_tokens): Apart from assembler, make
+ unpasteable token warning mandatory.
+
+2000-11-27 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
+ (main): Allocate a pending directive set of these. Use it.
+ Merge handling of -D and -U. Update handling of pending
+ directives. Free the memory after use.
+
+2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * flow.c (entry_exit_blocks): Add entry for cond_local_set.
+ (struct propagate_block_info): Add new member cond_local_set.
+ (propagate_block): Accept new arg cond_local_set. All callers
+ changed.
+ (init_propagate_block_info): Likewise.
+ (calculate_global_regs_live): Allocate & free cond_local_set. Always
+ rescan if there's overlap between cond_local_set and new_live_at_end.
+ (mark_set_1): Set bits either in cond_local_set or local_set, as
+ appropriate.
+ * basic-block.h (struct basic_block_def): New field cond_local_set.
+ (propagate_block, init_propagate_block_info): Update prototypes.
+
+Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
+ T register.
+
+2000-11-27 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (select_dominance_cc_mode): Handle new way that combine
+ canonicalizes conditional compares.
+ (arm_select_cc_mode): Likewise.
+ * arm.md: Garbage collect some dead code.
+ (cmp_and, cmp_ior): New patterns.
+ (splitter for conditional move with inverted false): Use cond_exec
+ and handle unordered comparisons.
+
+Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
+ * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
+ * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
+ ix86_force_to_memory and ix86_free_from_memory.
+
+2000-11-27 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
+ arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
+ anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
+ one_cmpldi2): Merge with splitters to create define_insn_and_split
+ patterns. Remove redundant splits.
+ (peephole2 for add:SI of invalid immediate): New.
+ (peephole2 for minus:SI of invalid immediate): New.
+ (peephole2 for ior:SI of invalid immediate): New.
+ (peephole for merge of move and compare): Convert ot peephole2.
+ (addsf3, adddf3): Mark as commutative.
+
+ * arm.md (thumb peephole for merging stack adjustments): Convert to
+ peephole2.
+
+2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
+
+ * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
+ (reload_cse_simplify_operands): Do nothing about operands where both
+ the operand and the match_operand fail to give us a mode.
+ * simplify-rtx.c (wrap_constant): New function.
+ (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
+ CONST describing the proper mode.
+ (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
+ cselib_lookup.
+ (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
+ htab_find_slot_with_hash.
+ (cselib_lookup): Likewise.
+
+ Based on a patch from Geoff Keating <geoffk@redhat.com>:
+ * loop.c (basic_induction_var): If a REG is set from something
+ that is not a biv, then the REG is not a biv. Even if it is
+ earlier set from something that is a biv.
+
+2000-11-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (extra_objs): Enclose extra_headers in quotes.
+ * configure: Rebuilt.
+
+2000-11-27 Neil Booth <neilb@earthling.net>
+
+ * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
+ Combine into the new function cb_change_file.
+ (init_c_lex): Update.
+ * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
+ (cpp_syshdr_flags): Delete.
+ * cpphash.h (_cpp_do_file_change): New prototype.
+ Move struct cpp_buffer here from...
+ * cpplib.h (struct cpp_buffer): ... here.
+ (enum cpp_fc_reason, struct cpp_file_loc,
+ struct_cpp_file_change, change_file): New.
+ (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
+ * cpplib.c (do_line): Update for new cb_change_file callback.
+ (_cpp_do_file_change): New function.
+ (_cpp_pop_buffer): Update to use it.
+ * cppmain.c (move_printer): Delete.
+ (main): Set up single callback cb_change_file.
+ (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
+ (cb_change_file): New.
+ * fix-header.c (cur_file, cb_change_file): New.
+ (recognized_function, read_scan_file): Update.
+ * scan-decls.c (scan_decls): Update.
+ * scan.h (recognized_function): Update prototype.
+
+2000-11-26 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (mark_tree_hashtable): New function.
+ * tree.c (mark_tree_hashtable_entry): New function.
+ (mark_tree_hashtable): Likewise.
+
+2000-11-27 Michael Meissner <meissner@redhat.com>
+
+ * d30v-protos.h (srelational_si_operator): Correctly spell
+ function.
+ (urelational_si_operator): Ditto.
+ (relational_si_operator): Ditto.
+ (d30v_expand_prologue): Add prototype.
+ (d30v_expand_epilogue): Ditto.
+
+ * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
+
+ * d30v.md (movcccc_*): Delete now unused patterns.
+ (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
+ IF_THEN_ELSE.
+ (define_cond_exec): Use 'b' to select branch flags.
+
+2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
+ functions.
+ (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
+
+ * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
+
+ * c-common.c (c_common_nodes_and_builtins): Declare builtin
+ strncpy and strncmp.
+
+ * extend.texi (strncmp, strncpy): Document new builtins.
+
+2000-11-26 Mark Mitchell <mark@codesourcery.com>
+
+ * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
+ a list, to keep track of the sections.
+ * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
+ parameter provided will always be a canonical string.
+
+2000-11-26 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
+ current buffer.
+
+2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * makefile.vms: Remove EGCS references.
+
+2000-11-26 Ulrich Drepper <drepper@redhat.com>
+
+ * dwarf2out.c (output_file_names): New function. Compute minimal
+ combination of directory and file name table and emit them.
+ (output_line_info): Remove code to emit directory and file name
+ table and call output_file_names instead.
+ (file_info_cmp): Helper function to sort directory names.
+
+2000-11-26 Neil Booth <neilb@earthling.net>
+
+ * cpplib.h (struct cpp_reader): Remove lang_asm.
+ (struct cpp_options): Remove c89. New members lang,
+ extended_numbers.
+ * cppexp.c (parse_number): Use them.
+ * cpphash.h (VALID_SIGN): Use them.
+ * cppinit.c (set_lang, cpp_start_read): Update.
+ * cpplex.c (parse_string, _cpp_lex_token): Update.
+ * cpplib.c (_cpp_handle_directive): Update.
+ * cppmacro.c (parse_args): Update.
+ * cppmain.c (scan_buffer): Update.
+
+Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
+ proper type.
+
+2000-11-26 Neil Booth <neilb@earthling.net>
+
+ * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
+ * c-decl.c: Remove parse_in declaration.
+ * c-lang.c: Similarly.
+ * c-lex.c: Similarly.
+ * c-parse.in: Similarly.
+ * c-pragma.c: Similarly.
+ * configure.in: Similarly.
+ * cp/Make-lang.in: Similarly.
+ * cp/spew.c: Similarly.
+ * cp/decl2.c: Remove check for lang-c++ option.
+ * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
+ * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
+ * c-lex.h: Add declaration of parse_in.
+ * cppinit.c: Call set_lang after allocating pfile->pending.
+ * configure: Regenerate.
+
+2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * combine.c (try_combine): Remove redundant test.
+
+2000-11-25 Richard Henderson <rth@redhat.com>
+
+ * c-common.h (DECL_C_HARD_REGISTER): New.
+ * c-decl.c (finish_decl): Set it for asm register variables.
+ * c-semantics.c (emit_local_var): Test it when instantiating one.
+
+2000-11-25 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
+ lineno for the start of the function.
+
+2000-11-25 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (file_table, file_table_allocated): Remove.
+ (file_table_allocated): Remove.
+ (struct file_table): New.
+ (decl_file_table, line_file_table): New.
+ (print_dwarf_line_table): Use them.
+ (size_of_line_prolog): Likewise.
+ (output_line_info): Likewise.
+ (add_src_coords_attributes): Likewise.
+ (gen_subprogram_die): Likewise.
+ (gen_variable_die): Likewise.
+ (dwarf2out_add_library_unit_info): Likewise.
+ (dwarf2out_line): Likewise.
+ (lookup_filename): Take a struct file_table argument.
+ (init_file_table): New.
+ (dwarf2out_init): Use it.
+
+2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Update sequence points references.
+
+2000-11-25 Neil Booth <neilb@earthling.net>
+
+ * c-common.c: Remove USE_CPPLIB conditional inclusions.
+ * c-common.h: Similarly.
+ * c-decl.c: Similarly.
+ * c-lang.c: Similarly.
+ * c-lex.c: Similarly.
+ * c-parse.in: Similarly.
+ * c-pragma.c: Similarly.
+ * c-pragma.h: Similarly.
+ * gcc.c: Similarly.
+ * toplev.c: Similarly.
+ * cp/cp-tree.h: Similarly.
+ * cp/decl2.c: Similarly.
+ * cp/lang-specs.h: Similarly.
+ * cp/lex.c: Similarly.
+ * cp/lex.h: Similarly.
+ * cp/spew.c: Similarly.
+ * java/lang-options.h: Similarly.
+ * objc/lang-specs.h: Similarly.
+ * objc/objc-act.c: Similarly.
+
+ * configure.in: Remove configure option.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+
+2000-11-25 Richard Henderson <rth@redhat.com>
+
+ * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
+ Revert 2000-11-22 change.
+
+2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * config/i386/i386.h (FIXED_REGS): Make the three flags registers
+ fixed.
+
+2000-11-25 Philipp Thomas <pthomas@suse.de>
+ * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
+ * configure: Rebuilt.
+
+2000-11-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
+ Handle CONST_INT as second argument.
+ * config/sparc/sparc.c (set_extends): Remove first argument.
+ Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
+ MOV.
+ (sparc_check_64): Abort if first argument is not REG.
+ If it is DImode REG, look at the lower register of the register
+ pair.
+
+ * config/sparc/sparc.c (load_pic_register, restore_regs,
+ output_return, sparc_v8plus_shift, sparc_function_profiler,
+ sparc_function_block_profiler, sparc_block_profiler): Fix output
+ formatting.
+
+2000-11-25 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (TARGET_NONE): New.
+ (TARGET_SWITCHES): For all variant-selecting switch, use
+ TARGET_NONE to reset all other variant-selecting switch. Added
+ empty strings to avoid warnings.
+ (TARGET_DEFAULT): Set to SH1_BIT.
+
+ * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
+ insn-codes.h.
+
+ * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
+ (sibcall_pcrel): New insn_and_split.
+ (sibcall, sibcall_value, sibcall_epilogue): New expands.
+
+ * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
+ symPLT_label2reg, call, call_value): Don't set
+ current_function_uses_pic_offset_table.
+ * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
+ PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
+ takes it into account.
+ (FINALIZE_PIC): Delete, useless.
+ (LEGITIMATE_CONSTANT_P): Delete, unused.
+ * config/sh/sh.c (sh_expand_prologue): Don't use
+ current_function_uses_pic_offset_table. Don't special-case
+ PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
+ PIC is enabled.
+ (sh_expand_epilogue, initial_elimination_offset): Don't
+ special case PIC_OFFSET_TABLE_REGNUM.
+
+2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
+
+ * config/sh/sh-protos.h (symbol_ref_operand): Declare.
+ * config/sh/sh.md (UNSPEC_CALLER): New constant.
+ (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
+ (call_pcrel, call_value_pcrel): New insn_and_splits.
+ (call, call_value): Use them.
+ (call_site): New expand.
+ (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
+ * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
+ Output call_site label.
+ (PREDICATE_CODES): Added symbol_ref_operand.
+ * config/sh/sh.c (symbol_ref_operand): Define.
+ * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
+ to CALL_INSNs in the split sequence.
+
+2000-11-24 Nick Clifton <nickc@redhat.com>
+
+ * config.gcc (v850-*-*): Define c_target_objs and
+ cxx_target_objs.
+
+ * config/v850/t-v850: Define how to build v850-c.o
+
+ * config/v850/v850.h (struct data_area_stack_element): Move
+ definition here from v850.c.
+
+ * config/v850v850.c: Include gcc.h to avoid compile time
+ warning.
+ (push_data_area): Move to v850-c.c.
+ (pop_data_area): Move to v850-c.c.
+ (mark_current_function_as_interrupt): Move to v850-c.c.
+ (GHS_default_section_names): Allow to be exported.
+ (GHS_current_section_names): Allow to be exported.
+ (data_area_stack_elements): Allow to be exported.
+ (ghs_pragma_section): Move to v850-c.c.
+ (ghs_pragma_interrupt): Move to v850-c.c.
+ (ghs_pragma_starttda): Move to v850-c.c.
+ (ghs_pragma_startsda): Move to v850-c.c.
+ (ghs_pragma_startzda): Move to v850-c.c.
+ (ghs_pragma_endtda): Move to v850-c.c.
+ (ghs_pragma_endsda): Move to v850-c.c.
+ (ghs_pragma_endzda): Move to v850-c.c.
+
+ * config/v850/v850-c.c: New file: Contains v850 specific
+ pragma parsing functions.
+
+2000-11-24 Nick Clifton <nickc@redhat.com>
+
+ * config.gcc (extra_objs): Remove duplicate description.
+ (c_target_objs): New variable. Contains target specific
+ object files for the gcc C compiler only.
+ (cxx_target_objs): New variable. Contains target specific
+ object files for the gxx C++ compiler only.
+
+ * configure.in (c_target_objs): Substitute in the makefile.
+ (cxx_target_objs): Substitute in the makefile.
+ * configure: Regenerate.
+
+ * Makefile.in (C_TARGET_OBJS): Define and initialize from
+ c_target_objs.
+ (CXX_TARGET_OBJS): Define and initialize from
+ cxx_target_objs.
+ (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
+
+ * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
+
+ * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
+ about how the use of the 'c_lex' function requires the use of
+ the target specific, language specific object files feature of
+ the configuration mechanism.
+
+Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.c (process_command): Use F_OK, not R_OK.
+
+2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
+
+ * flow.c (print_rtl_and_abort): Remove ANSIism.
+
+Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (GENERAL_REGISTER_P,
+ GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
+ FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
+ all over.
+ (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
+ * config/sh/sh.c: Use new macros.
+ * config/sh/sh.md: Likewise.
+
+Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
+ instead of just MACH_REG in DImode. Always refer to FPSCR_REG
+ in PSImode.
+
+Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
+ fixed.
+ (machine_dependent_reorg): Wrong optimization based on
+ NOTICE_UPDATE_CC removed.
+
+Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * jump.c (delete_computation): Re-instate deletion of feeding insn.
+ (delete_insn): Look for REG_LABEL notes.
+ (redirect_tablejump): Delete feeding insns.
+
+2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
+ call_value_pop_1): Make sure operand numbers are contiguous.
+
+ * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
+
+ * reload1.c (conflicts_with_override): New function.
+ (emit_input_reload_insns): Use it to tighten test for validity
+ of substituting into output of previous insn.
+
+ * haifa-sched.c (struct ready_list): New.
+ (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
+ functions.
+ (schedule_insn): Replace args READY and N_READY with a pointer to a
+ ready_list; return void. Use the new functions to access the ready
+ list. All callers changed.
+ (queue_to_ready, debug_ready_list): Likewise.
+ (schedule_block): Initialize a ready_list structure. Use new
+ functions to access it.
+ (max_priority): Remove unused variable.
+ (schedule_insn): Don't set it.
+
+ * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
+
+ * combine.c (cant_combine_insn_p): New function.
+ (try_combine): Use it.
+
+ * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
+ * c-common.c (c-obstack.c): Include "obstack.h".
+ (struct reverse_tree): Delete.
+ (reverse_list, reverse_max_depth): Delete.
+ (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
+ (struct tlist, struct tlist_cache): New.
+ (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
+ (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
+ warn_for_collisions, warn_for_collisions_1, new_tlist): New
+ static functions.
+ (verify_sequence_points): Rewritten.
+ * fold-const.c (fold): Don't lose possibly important sequence
+ points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
+
+2000-11-24 Richard Sandiford <rsandifo@redhat.com>
+
+ * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
+ when reversing a register-to-register copy. Reversal now disabled
+ when the previous instruction has a REG_EQUIV.
+
+2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-parse.in (unary_expr): Move VA_ARG from here ...
+ (primary): ... to here.
+
+2000-11-23 Graham Stott <grahams@redhat.com>
+
+ * expr.c (store_constructor): If a field is non addressable and
+ the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
+
+2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * flow.c (print_rtl_and_abort): New function.
+ (verify_wide_reg, verify_local_live_at_start): Try to dump more
+ information before aborting.
+
+2000-11-23 Alexandre Oliva <aoliva@redhat.com>
+
+ * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
+ is narrower than requested mode.
+ (gen_highpart): Abort if register mode is narrower than
+ requested mode.
+
+2000-11-23 Graham Stott <grahams@redhat.com>
+
+ * cse.c (cse_insn): Initialize all regcost variables.
+ Fix a typo add missing '='.
+ Only compare costs if there is a replacement insn.
+
+Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * final.c (output_addr_const) [LABEL_REF]: Simplify.
+ [MINUS]: Enclose non-CONST_INTs in parentheses.
+ [default]: Try OUTPUT_ADDR_CONST_EXTRA.
+ * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
+ * varasm.c (decode_rtx_const) [CONST]: If it's not something
+ PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
+ instead of abort()ing.
+ * sh.c (output_pic_addr_const): Removed. Fixed all callers.
+ * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
+ formerly handled in output_pic_addr_const.
+ * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
+ operands of MINUS in CONSTs so that decode_rtx_const() will
+ accept them.
+
+Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (mova_const): New pattern.
+ (GOTaddr2picreg): Use it.
+ * config/sh/sh.c (broken_move): Match it.
+ (mova_p): Don't match it.
+ (machine_dependent_reorg): Adjust it.
+
+Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
+ Moved most register-number #defines...
+ * config/sh/sh.md (define_constants): ... here. Use macros to
+ refer to registers and unspecs.
+ * config/sh/sh.c: Likewise.
+
+Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
+ (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
+ (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
+ (splay-tree.o, hash.o): Likewise.
+ GCONFIG_H: New.
+ (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
+ (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
+ (hashtab.o): Likewise.
+ (gcov.o): Depend on $(CONFIG_H).
+ * configure.in: #include insn-codes.h in tm.h.
+
+2000-11-22 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
+ const char * to avoid a compile time warning.
+
+ * config/arm/arm.md (define_constants): Define symbolic names for
+ the link register, last integer register and the fake CC register.
+ Update patterns to use these symbolic names.
+
+2000-11-22 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (trigraph_ok): Ensure we don't warn twice.
+ * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
+
+2000-11-22 Richard Henderson <rth@redhat.com>
+
+ * haifa-sched.c (sched_analyze_1): Don't special-case calls
+ for clobbering registers.
+ (sched_analyze_2): Likewise.
+ (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
+
+2000-11-22 Chris Demetriou <cgd@sibyte.com>
+ Neil Booth <neilb@earthling.net>
+
+ * gcc.c (validate_switches): Validate multiple switches named
+ in '|' (or) expressions in specs.
+ (handle_braces): If more than 1 alternative in a '|' spec
+ matches, call do_spec1 just once.
+
+2000-11-22 Michael Meissner <meissner@redhat.com>
+
+ * d30v.h (TARGET_SWITCHES): Add documentation strings.
+ (TARGET_OPTIONS): Ditto.
+ (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
+ -O3.
+
+Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (hppa_encode_label): Account for addition of encoding
+ character when allocating persistent space for the new label
+ name.
+
+2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * Makefile.in, config.gcc, configure.in: Expunge remaining
+ traces of facility for running MD files through C preprocessor.
+
+2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcov.texi: Add magic comments for texi2pod.pl.
+ * Makefile.in: Add rules to generate and install gcov.1.
+ * gcov.1: New (generated) file.
+
+2000-11-21 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (scan_rtx_reg): Terminate the chain rather than
+ abort on mark_read with NO_REGS.
+
+2000-11-21 Mike Stump <mrs@wrs.com>
+
+ * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
+ compilation with older compilers, such as /bin/cc on SunOS.
+ * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
+
+2000-11-21 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (record_constant): Pad the constructed
+ constant_descriptor appropriately.
+
+Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * rtl.h (traverse_md_constants): Declare.
+ (struct md_constant): Define.
+ * Makefile.in (HOST_RTL): Add hashtab.o .
+ (OBJS): Add hashtab.o .
+ (hashtab.o): New rule.
+ (rtl.o): Depends on HASHTAB_H.
+ * rtl.c (hashtab.h): #include.
+ (md_constants): New static variable.
+ (def_hash, def_name_eq_p, read_constants): New static functions.
+ (traverse_md_constants): New function.
+ (read_name): Do constant expansion.
+ (read_rtx): Recognize define_constants.
+ * gencodes.c (print_md_constant): New function.
+ (main): Emit #defines for all constant definitions encountered.
+ * md.texi (Constant Definitions): New node.
+ * gensupport.c (xcalloc): New function.
+
+2000-11-21 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.md (abstf_internal): Use it.
+ (negtf_internal): Likewise.
+ (andnotdi3): Unstar the name.
+ (movtf_internal): Add o/G alternative.
+
+2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * stringpool.c (stringpool_statistics): Also report number and
+ percentage of entries which are identifiers.
+
+2000-11-21 Diego Novillo <dnovillo@redhat.com>
+
+ * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
+ visited before visiting it.
+
+2000-11-21 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
+ TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
+
+ * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
+
+2000-11-21 Richard Henderson <rth@redhat.com>
+
+ * c-common.c (c_unsafe_for_reeval): New function.
+ (add_c_tree_codes): Register it.
+ * c-common.h: Declare it.
+ * tree.c (lang_unsafe_for_reeval): New hook.
+ (unsafe_for_reeval): Call it.
+ * tree.h: Declare it.
+
+2000-11-21 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
+ references as well.
+
+2000-11-21 Neil Booth <neilb@earthling.net>
+
+ * do_includes: Revert to using cpp_read_file.
+
+2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * loop.c (consec_sets_giv): If the reg we're examining is anything
+ but UNKNOWN_INDUCT, do nothing.
+ Reset the reg's type to UNKNOWN_INDUCT before returning.
+
+ Mostly from Vladimir Makarov (vmakarov@redhat.com)
+ * ia64.md (attr itanium_class): Define insn types as described in
+ Itanium docs.
+ (all insn patterns): Use itanium_class, not type attributes.
+ Occasionally split alternatives as necessary.
+ (attr type): Compute from new attr itanium_class.
+
+2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tradcpp.c (output_line_command): Mark system headers as such in
+ `line' commands.
+
+2000-11-21 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): SPARC has .file/.loc
+ support in as as well.
+ * configure: Regenerate.
+
+2000-11-20 Richard Henderson <rth@redhat.com>
+
+ * c-lex.c (orig_filename): New variable.
+ (init_c_lex): Set it. Move call to cpp_start_read ...
+ (yyparse): ... here. New function.
+ * c-parse.in (yyparse_1): Rename the parser entry point.
+ * c-tree.h: Declare it.
+
+2000-11-21 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (do_compare_and_jump): If op0 was replaced by promoted
+ integer constant, use type of op1 for comparison.
+
+2000-11-20 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
+ * config/rs6000/x-darwin: New file, Darwin host fragment.
+ * config.gcc (powerpc-*-darwin*): New host.
+ * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
+ overridden by a config file.
+
+2000-11-20 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (paste_tokens): Rename from paste_payloads.
+ Change token type after pasting spellings.
+ (paste_all_tokens): Use it.
+ * gcc.dg/cpp/paste2.c: Update test.
+ * objc/execute/paste.m: New test.
+
+2000-11-20 Richard Henderson <rth@redhat.com>
+
+ * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
+ dwarf_subscr_data_formats bits.
+ * dwarfout.c (simple_type_size_in_bits): Handle a type with
+ no computed size as size zero.
+ (field_byte_offset): Likewise.
+ (subscript_data_attribute): Handle a range with no upper bound.
+
+2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
+
+2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (build_conditional_expr): When merging type
+ qualifiers for conditional expressions between a pointer and a
+ pointer to a void type, merge the qualifiers on the target types
+ rather than the pointer type. Remove obsolete conditioned out
+ code.
+
+2000-11-20 Neil Booth <neilb@earthling.net>
+
+ * c-lang.c (lang_init_options): Update call to
+ cpp_reader_init.
+ * cppmain.c (main): Similarly.
+ * fix-header.c (read_scan_file): Similarly.
+ * cp/lex.c (lang_init_options): Similarly.
+ * objc/objc-act.c (lang_init_options): Similarly.
+ * cppexp.c (parse_number): Only warn for unextended C89.
+ * cppinit.c (set_lang): New function.
+ (cpp_reader_init): Take a LANG argument and pass it to set_lang.
+ (COMMAND_LINE_OPTIONS): New option std=c++98.
+ (cpp_handle_option): Use set_lang.
+ * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
+ * cppib.h (enum_c_lang): New enumeration. Update comments.
+
+2000-11-20 Will Cohen <wcohen@redhat.com>
+
+ * calls.c (expand_call): Clear target only when target is in
+ hard register and current_function_check_memory_usage is set.
+
+2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * toplev.c (rest_of_compilation): Run optimize_mode_switching even
+ if not optimizing.
+ * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
+
+2000-11-19 Richard Henderson <rth@redhat.com>
+
+ * crtstuff.c (force_to_data): Use array size 1 not 0.
+
+ * dwarf2out.c (simple_type_size_in_bits): Handle a type with
+ no computed size as size zero.
+ (field_byte_offset): Likewise.
+
+2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config.gcc: Fix another typo.
+
+2000-11-19 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (grokdeclarator): Support flexible array members.
+ Use open-ended ranges for these and zero-length arrays.
+ * c-typeck.c (push_init_level): Validate the context of
+ initialization of a zero-length array.
+ * tree.c (int_fits_type_p): Be prepared for missing bounds.
+ * varasm.c (array_size_for_constructor): New.
+ (output_constructor): Use it for arrays of unspecified length.
+ * extend.texi (Zero Length): Mention C99 flexible array members.
+ Document initialization in a top-level struct as valid.
+
+2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
+
+ * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
+ stdarg and varargs functions.
+
+2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * gcc.c (process_command): Define 'j' variable when
+ MODIFY_TARGET_NAME is defined.
+
+2000-11-19 Richard Henderson <rth@redhat.com>
+
+ * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
+
+2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
+ calculation and allocation.
+
+2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (c_getstr): Constify variable.
+ * gmon-sol2.c (_mcleanup): Comment out #endif labels.
+ * conflict.c (const_conflict_graph_arc): New typedef.
+ (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
+ * cppmacro.c (builtin_macro): Likewise.
+ * dwarf2out.c (output_comp_unit): Constify variable.
+ * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
+ * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
+ * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
+ away const-ness.
+ * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
+ ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
+ * varasm.c (const_str_htab_hash, const_str_htab_eq,
+ compare_constant_1, record_constant_1): Constify.
+
+2000-11-18 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (grokdeclarator): Special case the creation of an
+ index for a zero-length array.
+ * tree.c (build_index_type): Revert Oct 20 change.
+
+2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
+ * config/avr/avr.c (jump_tables_size): New variable.
+ (function_prologue): Initialize it as 0.
+ (function_epilogue): Add it to function_size.
+ (avr_output_addr_vec_elt): New function. Count words in jump
+ tables in jump_tables_size. Move code ...
+ * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
+ Call avr_output_addr_vec_elt instead.
+ * config/avr/avr.md (tablejump): Remove disabled define_expand.
+
+2000-11-18 Mark Mitchell <mark@codesourcery.com>
+
+ * configure.in: Make --enable-new-gxx-abi the default.
+ * configure: Likewise.
+
+2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
+
+ * tradcif.y: Include tradcpp.h. Constify. Make functions static.
+ Move extern function declarations to tradcpp.h.
+
+ * tradcpp.c: Likewise.
+
+ * tradcpp.h: New file.
+
+2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (check_for_loop_decls): New function.
+ * c-parse.in (for_init_stmt): New.
+ (select_or_iter_stmt): Use for_init_stmt.
+ * c-tree.h (check_for_loop_decls): New declaration.
+
+2000-11-18 Neil Booth <neilb@earthling.net>
+
+ * cppinit.c: Update comments.
+ (cpp_reader_init): Make -imacro and -include use the standard
+ #include "" search path.
+ (do_includes): New function.
+
+2000-11-18 Ben Elliston <bje@redhat.com>
+
+ * config/sh/crt1.asm (start_l): Move PC-relative move instruction
+ out of a branch delay slot.
+
+2000-11-17 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
+ (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
+ (ASM_FILE_START): Only write out ecoff .file directive if
+ emitting mdebug debugging.
+
+2000-11-17 Richard Henderson <rth@redhat.com>
+
+ * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
+ whether as accepts .file/.loc and produces dwarf2 line info.
+ * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
+ the assembler supports it.
+ * config.in, configure: Regenerate.
+
+2000-11-17 Richard Henderson <rth@redhat.com>
+
+ * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
+
+2000-11-17 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
+ Don't clear need_barrier is next_insn is a CALL_INSN, or has
+ instruction type B or UNKNOWN.
+
+2000-11-17 Neil Booth <neilb@earthling.net>
+
+ * cpperror.c (print_file_and_line): Don't display line number if 0.
+
+2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
+ digit_vector and digit_string.
+ * stringpool.c (digit_vector): New.
+ (ggc_alloc_string): Use digit_string.
+
+ * stmt.c (digit_strings): Delete.
+ (init_stmt): Do not initialize digit_strings.
+ (expand_asm_operands): Use ggc.h's digit_string macro.
+ * toplev.c (mark_file_stack): Delete.
+ (compile_file): Don't call init_tree_codes.
+ (main): No need to make the file stack a GC root.
+ * tree.c (init_tree_codes): Delete.
+ * tree.h (init_tree_codes): Delete.
+
+ * c-lex.c: Don't include ggc.h.
+ (mark_splay_tree_node, mark_splay_tree): Delete.
+ (init_c_lex): No need to ggc_strdup string constant. Don't add
+ file_info_tree to GGC roots.
+ (cb_enter_file, cb_rename_file): No need to ggc_strdup
+ ip->nominal_fname.
+
+ * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
+
+ * dbxout.c (dbxout_init),
+ dwarf2out.c (dwarf2out_line),
+ ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
+ varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
+ xcoffout.c (xcoffout_source_file),
+ i386.c (load_pic_register):
+ Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
+
+ * except.c (create_rethrow_ref),
+ profile.c (init_edge_profiler),
+ toplev.c (compile_file),
+ varasm.c (named_section, assemble_static_space,
+ assemble_trampoline_template, output_constant_def, force_const_mem),
+ i386.c (load_pic_register),
+ ia64.c (ia64_encode_section_info),
+ rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
+ rs6000_emit_prologue, rs6000_emit_epilogue),
+ rs6000.md (load_toc_aix_si, load_toc_aix_di):
+ Change ggc_alloc_string (var, -1) to ggc_strdup (var).
+
+ * profile.c (output_func_start_profiler),
+ tree.c (make_node),
+ i386.c (load_pic_register): No need to ggc_strdup string constant.
+
+2000-11-17 Hans-Peter Nilsson <hp@axis.com>
+
+ * Makefile.in (config.status): Depend on config.gcc.
+ * configure.in <for machine in $build $host $target>: Move
+ contents of loop into config.gcc, removing autoconf quoting.
+ Fix changequote bug for alpha*-*-vxworks*.
+ * configure: Regenerate.
+ * config.gcc: New.
+
+2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * c-parse.in (if_prefix): Find the filename and line number at
+ $-2 and $-1 respectively.
+ * diagnostic.c (error_recursion): Add missing newline, use
+ fputs, translate string.
+
+2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * stringpool.c: New file.
+ * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
+ (ggc_alloc_string): Now in stringpool.o.
+ * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
+ * ggc.h: Delete prototype of ggc_add_string_root. #define
+ ggc_add_string_root and ggc_mark_string to nothing. Prototype
+ init_stringpool and stringpool_statistics.
+ (ggc_alloc_string): Returns a const char *.
+ * tree.c (hash_table, do_identifier_warnings): Delete.
+ (init_obstacks): Don't initialize the identifier hash table.
+ (get_identifier, maybe_get_identifier, start_identifier_warnings,
+ set_identifier_size): Now in stringpool.c.
+ * tree.h (struct tree_string): Constify pointer field.
+ (approx_sqrt): Prototype.
+
+ * Makefile.in (stringpool.o): Add rule, mention in OBJS.
+
+ * toplev.c (approx_sqrt): New function.
+ (compile_file): Call stringpool_statistics if mem_report is on.
+ (main): Call init_stringpool.
+
+ * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
+ (process_directive), c-typeck.c (constructor_asmspec, struct
+ initializer_stack, start_init), except.c (create_rethrow_ref),
+ stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
+ (built_in_filename), varasm,c (in_named_name,
+ assemble_static_space, struct constant_descriptor, struct
+ deferred_string, struct pool_constant, force_const_mem),
+ i386.c (pic_label_name, global_offset_table_name), rs6000.c
+ (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
+
+ * c-common.c (combine_strings): Combine strings in scratch
+ buffer, then pass to build_string.
+ * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
+ output_func_start_profiler), stmt.c (init_stmt), alpha.c
+ (alpha_need_linkage), arm.c (arm_encode_call_attribute),
+ i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
+ rs6000.c (rs6000_encode_section_info): Create string in
+ scratch buffer, then pass to ggc_alloc_string.
+
+ * stmt.c (expand_asm_operands): If we must adjust the
+ constraint strings, do so by creating a new one, not by
+ modifying the old one in place. Constify some char *s.
+ * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
+ argument. Create string in scratch buffer, then pass to
+ ggc_alloc_string.
+ * config/pa/pa-protos.h: Update prototype.
+ * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
+ hppa_encode_label takes only one argument.
+
+2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
+ malloc/realloc.
+
+ * cpplib.c (glue_header_name): Likewise.
+
+ * fixincl.c (run_compiles, start_fixer): Likewise.
+
+ * fixlib.c (load_file_data): Likewise.
+
+ * mkdeps.c (munge): Likewise.
+
+2000-11-17 Hans-Peter Nilsson <hp@axis.com>
+
+ * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
+ trailing ';'. Fix formatting.
+
+2000-11-16 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
+ Shift masks left by one to avoid conflict.
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
+ DECL_EXTERNAL set.
+
+2000-11-16 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (output_arm_prologue): Note nested functions.
+ (arm_expand_prologue): For nested functions preserve the
+ static chain register during stack frame creation.
+
+ * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
+ (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
+ with a stack frame there is a 4 byte gap between the arg
+ pointer and the hard frame pointer (used to preserve the
+ static chain register during stack frame creation).
+
+2000-11-16 DJ Delorie <dj@redhat.com>
+
+ * rtl.c (read_rtx): Provide suitable names for unnamed
+ define_insn and define_insn_and_split patterns, based on file
+ and line numbers.
+
+2000-11-15 Neil Booth <neilb@earthling.net>
+
+ * cpplib.c (start_directive, end_directive): New functions.
+ (_cpp_handle_directive, run_directive): Use them.
+ (_cpp_handle_directive): Don't -Wtraditional on indented
+ null directives.
+ (_cpp_push_buffer): Don't re-clear was_skipping.
+ * cpplib.h (struct cpp_reader): New member la_saved.
+ * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
+ directives.
+
+ gcc.dg/cpp/_Pragma1.c: Update.
+ gcc.dg/cpp/_Pragma2.c: New test.
+
+2000-11-15 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.c (wrapup_global_declarations): Don't write out
+ artificial static variables that aren't needed.
+
+2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * ia64.c (struct group): New structure.
+ (last_group): New static array.
+ (group_idx): New static variable.
+ (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
+ New static functions.
+ (emit_insn_group_barriers): Initialize and keep track of group_idx
+ and last_group.
+ Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
+ Replace all calls to emit_insn_after that emit a group barrier to use
+ emit_group_barrier_after.
+ * ia64.h (MASK_B_STEP): New.
+ (other MASK_XXX macros): Renumbered.
+ (TARGET_B_STEP): New.
+ (TARGET_SWITCHES): Add -mb-step.
+
+2000-11-15 Fred Fish <fnf@be.com>
+
+ * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
+ machines for which fixincludes is not needed.
+ * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
+
+2000-11-15 Jason Merrill <jason@redhat.com>
+
+ * diagnostic.c (finish_abort): New fn.
+ (fancy_abort, error_recursion): Use it.
+ * toplev.c (crash_signal): Likewise.
+ * diagnostic.h: Declare it.
+
+2000-11-13 Andrew Haley <aph@redhat.com>
+
+ * tree.c (build_type_no_quals): New function.
+ * tree.h (build_type_no_quals): Declare.
+ * c-common.c (c_get_alias_set): When considering type
+ compatibility for pointer types, ignore cv-qualifiers anywhere in
+ a pointer chain.
+
+2000-11-15 Graham Stott <grahams@redhat.com>
+
+ * regrename.c (scan_rtx_rtx): Skip to the next chain on
+ encountering a terminated chain.
+
+2000-11-14 Mark Mitchell <mark@codesourcery.com>
+
+ * configure.in: Move check for V3 above check for C++ header-file
+ directory.
+ * configure: Regenerated.
+
+2000-11-14 DJ Delorie <dj@redhat.com>
+
+ * config/v850/v850.c: Remove obstacks.
+
+Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (avr_case_values_threshold): New.
+ (avr_override_options): Set it depending on options, make it large
+ when not optimizing to work around "unable to generate reloads".
+
+ * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
+ (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
+ executable if not AVR_MEGA. Make sure jump tables are word-aligned.
+ (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
+ (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
+ (avr_case_values_threshold): Declare as extern int.
+ (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
+
+ * config/avr/avr.md (tablejump): Removed.
+ (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
+ (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
+ index in the table, not multiplied by 2.
+ (casesi): Change to match the above insns. Always enable.
+
+ * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
+ Change to expect the word address of the table, multiply it by 2
+ here and not in the caller. Change "adiw" to faster "inc".
+
+2000-11-14 Neil Booth <neilb@earthling.net>
+
+ * cppexp.c (parse_defined): Call cpp_get_token not
+ _cpp_get_token.
+ (lex): Similarly.
+ * cpplex.c (cpp_output_line): Similarly.
+ * cpplib.c (glue_header_name, do_line, do_ident,
+ parse_answer, parse_assertion): Similarly.
+ (_cpp_handle_diretive): Don't save to lookaheads
+ when processing directives.
+ * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
+ _cpp_get_token.
+ (funlike_invocation_p): Don't save to lookaheads
+ when pre-expanding arguments.
+ (_cpp_get_token): Delete.
+ (cpp_get_token): Merge contents of _cpp_get_token.
+
+2000-11-14 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (expand_builtin_setjmp): Set
+ current_function_calls_setjmp.
+ (expand_builtin_longjmp): Set current_function_calls_longjmp.
+
+ * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
+ (do_builtin_setjmp_setup): New insn.
+
+Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
+ (int_fits_type_p): For variable bounds, call force_fit_type.
+
+2000-11-14 Jakub Jelinek <jakub@redhat.com>
+
+ * varasm.c (struct deferred_string): New structure.
+ (const_str_htab): New variable.
+ (STRHASH): New macro.
+ (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
+ constr_str_htab_eq, const_str_htab_del): New functions.
+ (output_constant_def): Add DEFER argument, defer string
+ constants until mark_constant_pool time if requested.
+ (mark_constant_pool): Walk the insn chain even if const_str_htab is
+ not empty.
+ (mark_constants): If a SYMBOL_REF for deferred string is found,
+ output it and remove from hash table.
+ (output_addressed_constants): Set DEFER to 0 in call to
+ output_constant_def.
+ * rtl.h (STRING_POOL_ADDRESS_P): Define.
+ (output_constant_def): Adjust prototype.
+ * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
+
+2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
+
+ * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
+ signed types if flag_trapv.
+
+2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * tradcpp.c, tradcif.y: Update FSF mailing address, delete
+ reference to GPLv1.
+
+2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.h (CTI_C_SIZE_TYPE): Update comment.
+
+2000-11-14 Jakub Jelinek <jakub@redhat.com>
+
+ * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
+ to array of pool_constnat pointers.
+ (struct pool_constant): Add next_sym and label members.
+ (struct pool_sym): Remove.
+ (init_varasm_status): Change pool_sym into pool_constant.
+ (mark_pool_constant): Mark pc->label string as well.
+ (mark_pool_sym_hash_table): Remove.
+ (mark_varasm_status): Remove it from caller as well.
+ (free_varasm_status): Don't free pool_sym structures.
+ (force_const_mem): Don't allocate pool_sym structure, instead
+ fill pool->label and chain it into rtx_sym hash table.
+ (find_pool_constant, mark_constant_pool): Use pool_constant instead
+ of pool_sym.
+
+2000-11-14 Jakub Jelinek <jakub@redhat.com>
+
+ * reload1.c (emit_input_reload_insns): Honor forcing of constants
+ into memory by PREFERRED_RELOAD_CLASS NO_REGS.
+
+2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * dominance.c: New file.
+ * Makefile.in (OBJS): Add dominance.o.
+
+ * flow.c (compute_flow_dominators): Remove.
+ (compute_immediate_dominators): Remove.
+ (compute_immediate_postdominators): Remove.
+ * basic-block.h: Remove their prototypes.
+ (calculate_dominance_info): Add prototype.
+
+ * dce.c (eliminate_dead_code): Change calls to above functions.
+ Don't compute dominators but only immediate dominators.
+ * flow.c (flow_loops_find): Change callers.
+ * gcse.c (compute_code_hoist_data): Likewise.
+ * haifa-sched.c (schedule_insns): Likewise.
+ * ifcvt.c (if_convert): Likewise.
+ * ssa.c (convert_to_ssa): Likewise, and only compute immediate
+ dominators.
+
+2000-11-14 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (warn_if_unused_value): Don't warn if the expression
+ has side effects.
+
+ * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
+ (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
+
+2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * loop.c (basic_induction_var): Revert accidental checkin.
+
+2000-11-13 Hans-Peter Nilsson <hp@axis.com>
+
+ * c-lex.c (cb_leave_file): Harmonize conditions and order of
+ statements to those of process_directive for (action == act_pop).
+
+ * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
+
+ * local-alloc.c (equiv_init_movable_p): References to CC0 are not
+ movable.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (stmts_and_decls): Deprecate use of label at end of
+ compound statement.
+
+2000-11-13 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
+ cases return without MI check.
+ * cpplib.c (do_diagnostic): Take boolean of whether to
+ print the directive name.
+ (do_error, do_warning): Update.
+ (do_pragma_dependency): Use it.
+ * cpplib.h (VARARGS_FIRST): Delete.
+ (struct cpp_token): Delete integer.
+ * cppmacro.c (enter_macro_context): Move disabled check
+ to _cpp_get_token.
+ (_cpp_get_token): Simplify into a single loop.
+
+2000-11-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * configure.in: Use 'test -f' not '[ -e'.
+ * configure: Regenerated.
+
+2000-11-13 DJ Delorie <dj@redhat.com>
+
+ * config/mn10300/mn10300.md (store_movm): Note which registers are
+ really used or clobbered.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (ends_in_label): Remove from %union and %type.
+ (decls, stmts, lineno_stmt_or_labels, xstmts,
+ lineno_stmt_or_label, stmt_or_label): Remove.
+ (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
+ lineno_stmt_decl_or_labels_ending_decl,
+ lineno_stmt_decl_or_labels_ending_label,
+ lineno_stmt_decl_or_labels_ending_error,
+ lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
+ lineno_stmt, lineno_label): New.
+ (compstmt_nostart): Use compstmt_contents_nonempty.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (boolean_increment): New function.
+ * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
+ CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
+ (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
+ (boolean_increment): Declare.
+ * c-convert.c (convert): Allow for BOOLEAN_TYPE.
+ * c-decl.c (init_decl_processing): Create boolean nodes.
+ (finish_struct): Allow for _Bool bitfields.
+ * c-parse.in (reswords): Add _Bool.
+ (rid_to_yy): Allow for RID_BOOL.
+ * c-typeck.c (default_conversion): Make booleans promote to int.
+ (convert_arguments, build_unary_op, build_modify_expr,
+ convert_for_assignment): Allow for booleans.
+ * ginclude/stdbool.h: Make conforming to C99.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (c99_block_start, c99_block_end,
+ c99_block_lineno_labeled_stmt): New.
+ (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
+ (stmt): Split off selection and iteration statements into...
+ (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
+ -time): Update.
+
+2000-11-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
+ Rewrite to avoid use of match_dup. Don't try to tie registers that
+ are not in the same mode.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Update lists of languages and suffixes supported.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in: Take toplevel configure arguments from the
+ environment to create configargs.h and substitute
+ gcc_config_arguments, taking account of any existing configargs.h
+ if reconfiguring.
+ * configure: Regenerate.
+ * gccbug.in: Include toplevel configure arguments in gccbug.
+
+2000-11-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * varasm.c (struct constant_descriptor): Put CONTENTS inside a
+ union to make it well-aligned. Update all uses.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (initelt): Give appropriate pedantic warnings,
+ depending on flag_isoc99, for non-ISO syntax and for C99 syntax
+ outside C99 mode.
+ (designator): If pedantic, pedwarn for a designator specifying a
+ range of elements.
+ * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
+ these cases.
+ * extend.texi: Document the C99 syntax as the preferred syntax,
+ and the pre-2.5 syntax as obsolete. Mention use of designator
+ lists for nested subobjects.
+
+2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
+ Add ATTRIBUTE_PRINTF.
+ * tradcpp.c (v_message, warning, error, fatal, error_with_line):
+ Add ATTRIBUTE_PRINTF*.
+
+2000-11-12 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (assign_parms): When calling put_var_into_stack, make
+ sure that there are no hidden pending sequences.
+
+2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
+ BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
+ BUILT_IN_STRRCHR.
+
+ * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
+
+ * c-common.c (c_common_nodes_and_builtins): Declare index and
+ rindex when nonansi builtins are allowed.
+
+ * extend.texi (index, rindex): Document new builtins.
+
+2000-11-12 Mark Mitchell <mark@codesourcery.com>
+
+ * configure.in: Turn on libstdc++ V3 by default.
+ * configure: Regenerated.
+
+ * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
+
+2000-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * reload1.c (set_label_offsets): Go inside of PARALLELs.
+
+2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Clean up option summary.
+
+2000-11-12 Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/mcore.c: Fix comment formating, and adjust sequence
+ of #include headers.
+
+2000-11-12 Marc Espie <espie@openbsd.org>
+
+ * configure.in: Fix filds test.
+ * configure: Regen.
+
+2000-11-12 Mark Mitchell <mark@codesourcery.com>
+
+ * jump.c (delete_computation): Don't assume that just because an
+ instruction sets a register, that register is dead.
+
+2000-11-12 Neil Booth <neilb@earthling.net>
+
+ * cppexp.c: Don't worry about pfile->skipping.
+ * cpplib.c (struct if_stack): Make was_skipping unsigned char.
+ (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
+ for handled directives.
+ (skip_rest_of_line): Use _cpp_lex_token after popping contexts
+ and releasing lookaheads.
+ (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
+ (do_else, do_elif, push_conditional): Update logic.
+ (do_endif): Set buffer->was_skipping rather than pfile->skipping.
+ (unwind_if_stack): Inline into cpp_pop_buffer.
+ (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
+ * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
+ multiple-include optimisation.
+ * cpplib.h (struct cpp_buffer): New member was_skipping.
+ * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
+ works because skipping == 0 in directives.
+ (_cpp_release_lookahead): Renamed from release_lookahead.
+ (cpp_get_token): No need to check skipping as _cpp_get_token does
+ this for us. No need to handle MI optimisation.
+
+Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
+
+ * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
+ declarations that use `__MATH_EXCEPTION' in their prototypes, too.
+ * fixinc/fixincl.x: Regenerated.
+
+2000-11-11 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
+ (avoid_wchar_t_type): ditto
+ * fixinc/fixinc.irix: obsoleted
+
+2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * configure.in: Don't add $outputs to all_lang_makefiles. Add
+ $srcdir/$s/Makefile.in if it exists.
+ * configure: Regenerate.
+
+Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
+
+ * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
+
+2000-11-11 Jason Merrill <jason@redhat.com>
+
+ * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
+ give the parm a register and then call put_var_into_stack.
+ * stmt.c (expand_decl): Likewise.
+
+2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi: Adjust wording.
+
+2000-11-11 Mark Mitchell <mark@codesourcery.com>
+
+ * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
+ * fininc/fixincl.x: Regenerated.
+
+2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Correct spelling of -foptimize-register-move.
+
+2000-11-11 Neil Booth <neilb@earthling.net>
+
+ Remove CPP_PLACEMARKERs.
+
+ * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
+ * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
+ * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
+ Similarly.
+ * cpplib.h: Remove CPP_PLACEMARKER.
+ (struct lexer_state): Rename skip_newlines to next_bol.
+ * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
+ Simplify prev_white handling as a result.
+ (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
+ (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
+ (parse_args): Similarly. Update argument count tests.
+ (enter_macro_context): Return 2 to indicate an empty macro.
+ (replace_args): Don't bother pre-expanding an empty argument.
+ Handle placemarkers and ## extension during pre-expansion.
+ (cpp_get_token): Handle empty macro expansions. Don't worry
+ about CPP_PLACEMARKERs.
+ (_cpp_create_definition): Empty macros are now empty.
+ (cpp_macro_definition): Don't special case empty macros.
+ * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
+ * c-lex.c: Similarly.
+
+2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi, invoke.texi: Add new section discussing language
+ standards; link to it where appropriate; refer to ISO C instead of
+ ANSI C.
+
+2000-11-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
+ into account.
+
+ * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
+ modes.
+
+2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi, gcov.texi: Update dates and version numbers.
+
+2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
+ flex and bison, specifically, first in a unified build and
+ then installed on the system.
+ * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
+ LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
+ match.
+
+ (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
+ cppdefault.o): Remove pointless sed munging of source file
+ name.
+
+2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
+ for address reloads. Push replacements for REG_INC notes.
+ (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
+ callers changed.
+ * reload1.c (choose_reload_regs): Registers set in the insn can't be
+ used for RELOAD_OTHER reloads.
+
+2000-11-10 Mark Mitchell <mark@codesourcery.com>
+
+ * c-dump.h: New file.
+
+2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.c (check_float_value): Use memcpy, not bcopy.
+ * arm.c (output_move_double): Likewise.
+ * arm.md: Likewise.
+ * m88k.c (legitimize_operand): Likewise.
+ * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
+ * m88k.md: Likewise.
+ * mips.c (override_options): Likewise.
+ * mips.md: Likewise.
+ * romp.c (output_fpops): Likewise.
+ * rs6000.c (rs6000_override_options): Likewise.
+ * sh.md: Likewise.
+ * vax.c (check_float_value): Likewise.
+
+ * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
+ * expmed.c (synth_mult): Likewise.
+ * final.c (add_bb_string): Likewise.
+ * genattr.c (main): Likewise.
+ * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
+ Likewise.
+ * jump.c (thread_jumps): Likewise.
+ * prefix.c (save_string): Likewise.
+ * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
+ * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
+ * reload1.c (reload, eliminate_regs): Likewise.
+
+2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi (Service): Update to reflect current practice and
+ location of the GNU service directory.
+
+2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * regrename.c (build_def_use): Mark contents of REG_INC notes as
+ needing replacement.
+
+ * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
+ a no-op move if regs are equal.
+ * toplev.c (rest_of_compilation): Do the noop moves elimination pass
+ when calling jump after post-reload splitting.
+
+2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * c-tree.texi: Fix typos.
+ * extend.texi: Likewise
+ * gcov.texi: Likewise
+ * rtl.texi: Likewise
+ * tm.texi: Likewise
+
+2000-11-09 Hans-Peter Nilsson <hp@axis.com>
+
+ * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
+ in_system_header and flags[1] before dereferencing flags[2].
+
+2000-11-09 Matthew Hiller <hiller@redhat.com>
+
+ * reload1.c (reload_combine): Fixed calculation of
+ first_index_reg, last_index_reg.
+
+2000-11-09 Mark Mitchell <mark@codesourcery.com>
+
+ * c-dump.c (dequeue_and_dump): Dump function bodies.
+
+ * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
+ (c-dump.o): New target.
+ * c-common.h (flag_dump_translation_unit): New variable.
+ (C_TYPE_QUALS): New macro.
+ (strip_array_types): New function.
+ (DECL_C_BIT_FIELD): New macro.
+ (SET_DECL_C_BIT_FIELD): Likewise.
+ (CLEAR_DECL_C_BIT_FIELD): Likewise.
+ (dump_info_p): New typedef.
+ (dump_tree_fn): Likewise.
+ (lang_dump_tree): New variable.
+ (dump_node_to_file): New function.
+ * c-common.c (flag_dump_translation_unit): Define it.
+ (strip_array_types): New function.
+ * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
+ * c-lang.c (finish_file): Call dump_node_to_file if
+ flag_dump_translation_unit.
+ * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
+ * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
+ * c-dump.c: New file.
+
+2000-11-09 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Add mingw startfile prefix.
+
+2000-11-09 Richard Henderson <rth@redhat.com>
+
+ * flow.c (invalidate_mems_from_set): Split out from ...
+ (mark_set_1): ... here.
+ (try_pre_increment_1): Use it. Use propagate_block_delete_insn
+ instead of turning insn into a NOTE_INSN_DELETED.
+
+2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi, invoke.texi: Move documentation of builtin versions
+ of C library functions to one place and update.
+
+2000-11-09 Richard Henderson <rth@redhat.com>
+
+ * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
+ the types themselves to discover type equivalence.
+
+2000-11-09 Mike Stump <mrs@wrs.com>
+
+ * Makefile.in (distclean): Remove a few extra leftovers.
+
+2000-11-09 Richard Henderson <rth@redhat.com>
+
+ * recog.c (validate_replace_rtx_1): Consider subregs when
+ replacing a register with a constant inside a sign/zero_extend.
+
+ * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
+
+2000-11-09 Geoffrey Keating <geoffk@redhat.com>
+
+ * c-decl.c (finish_struct): When a structure is completed,
+ check all its variant types for completeness.
+
+2000-11-09 Neil Booth <neilb@earthling.net>
+
+ * cpphash.c: Move cpp_defined here from cpplib.c.
+ * cpplib.c: Update comments, move cpp_defined to cpphash.c.
+ * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
+ * cppmacro.c (cpp_get_token): Update comments, no need now
+ to catch the CPP_EOF meaning EOL case.
+
+2000-11-08 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/sparc/sparc.c (sparc_va_arg): When the required alignment
+ is more than that provided, copy to a temporary.
+
+2000-11-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
+ interpreting $out as a macro assignment.
+ * Makefile.in (T_TARGET): New auxiliary macro and target.
+ (all): Add a target right in the beginning, so that we don't build
+ T_TARGET by default.
+
+2000-11-09 Graham Stott <grahams@redhat.com>
+
+ * config/i386/i386.md (mmx_pinsrw): Output operands in correct
+ order for -mintel-syntax. Remove comment now that the operand
+ order has been checked.
+ (mmx_pextrw): Likewise.
+ (mmx_pshufw): Likewise.
+
+2000-11-09 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
+ (c_getstr): New function.
+ (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
+ If both arguments are constant string, optimize out.
+ (expand_builtin_strchr, expand_builtin_strrchr): New functions.
+ (expand_builtin_strpbrk): Use c_getstr, do nothing if
+ -fcheck-memory-usage.
+ (expand_builtin_fputs): Likewise.
+ (expand_builtin_strcmp): Add MODE argument.
+ Use even if !HAVE_cmpstrsi.
+ Optimize the case when both arguments are constant strings.
+ (expand_builtin): Adjust expand_builtin_strcmp caller.
+ Call expand_builtin_strchr and expand_builtin_strrchr.
+ * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
+ builtins.
+ * builtins.def (BUILT_IN_STRRCHR): Add.
+
+2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
+
+2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * calls.c (expand_call, emit_library_call_value_1), collect2.c
+ (scan_prog_file), config/a29k/a29k.c (print_operand),
+ config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
+ instead of bcopy ().
+ * real.h: Use memcmp () instead of bcmp ().
+ * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
+ (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
+ ultrasparc_sched_init, ultrasparc_sched_reorder),
+ config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
+ instead of bzero ().
+ * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
+ instead of rindex ().
+ * configure.in: Don't check for bzero, bcmp, index or rindex.
+ * configure, config.in: Regenerate.
+ * system.h: Don't include declarations for bzero, bcmp, index or
+ rindex.
+ * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
+ bzero, bcmp, index or rindex.
+
+Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
+ include and library paths from -mcygwin case. Parameterize some
+ declarations to avoid warnings. Use standard locations for include and
+ lib dirs.
+
+2000-11-08 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.md (mulsidi3adddi): Change output operand
+ constraint from "=&" to "+&".
+ (umulsidi3adddi): Change output operand constraint from "=&" to
+ "+&".
+
+2000-11-08 Richard Henderson <rth@redhat.com>
+
+ * flow.c (init_propagate_block_info): Protect the rtx stored in
+ mem_set_list from modification by find_auto_inc.
+ (mark_set_1): Likewise.
+
+2000-11-08 Neil Booth <neilb@earthling.net>
+
+ Move directive handling into the lexer itself.
+
+ * cpplex.c (_cpp_lex_token): Handle directives directly.
+ In the case of a directive interrupting a function-like
+ macro invocation, use extra_char since read_ahead is
+ used to store the '#'. Return a CPP_EOF in this case.
+ * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
+ (cpp_get_token): Don't handle directives here.
+ * cpplib.h: Remove CPP_DHASH token type.
+
+Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
+ formed using PRE_MODIFY too.
+
+2000-11-08 Mark Mitchell <mark@codesourcery.com>
+
+ * c-tree.texi (VAR_DECL): Describe representation of GCC's
+ extension for placing variables in particular registers.
+
+ * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
+ unprototyped C functions with no parameters.
+
+2000-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
+ before passing to fprintf.
+
+2000-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ * function.c (expand_function_start): Cast GET_MODE_SIZE to
+ HOST_WIDE_INT before negating it.
+
+2000-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
+ passed in multiple non-contiguous locations.
+
+2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.gnat: Remove file.
+
+2000-11-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
+ in-place.
+
+2000-11-07 Richard Henderson <rth@redhat.com>
+
+ * dwarfout.c (INSN_LABEL_FMT): Remove.
+ (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
+ (dwarfout_label): Remove.
+ * dwarfout.h: Remove it's prototype.
+ * dwarf2out.c (INSN_LABEL_FMT): Remove.
+ (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
+ (dwarf2out_label): Remove.
+ * dwarf2out.h: Remove it's prototype.
+ * final.c (final_scan_insn): Don't call dwarf[2]out_label.
+
+2000-11-07 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
+ search on the unwind region section.
+
+ * config/ia64/ia64.md (movbi): Add r/r alternative.
+ (cmovdi_internal_astep): Describe all combinations of register
+ classes for sources & destinations; remove matching constraints.
+ (cmovdi_internal): Likewise.
+
+ * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
+
+2000-11-07 Richard Henderson <rth@redhat.com>
+
+ * c-lang.c (start_cdtor, finish_cdtor): New functions.
+ (finish_file): Use them in building constructor/destructor functions.
+
+ * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
+ LD_FINI_SWITCH): Move ...
+ * config/alpha/osf.h: ... here.
+ * config/alpha/alpha-interix.h: Don't undef them.
+
+2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
+
+ * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
+ included in libgcc.a.
+ (DPBIT): Likewise.
+ (dp-bit.c): Likewise.
+ (fp-bit.c): Likewise.
+
+2000-11-07 Nick Clifton <nickc@redhat.com>
+
+ * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
+ (INTERNAL_ASM_OP): Add missing tab.
+
+2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * alias.c (init_alias_analysis), calls.c (expand_call,
+ emit_library_call_value_1), combine.c (init_reg_last_arrays),
+ cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
+ (init_output_buffer, set_diagnostic_context), dwarf2out.c
+ (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
+ (init_emit_once), fold-const.c (mul_double, div_and_round_double),
+ function.c (assign_parms), gcse.c (compute_can_copy,
+ alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
+ compute_hash_table, compute_set_hash_table,
+ compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
+ (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
+ clear_units, schedule_block), integrate.c (initialize_for_inline,
+ expand_inline_function), jump.c (thread_jumps), local-alloc.c
+ (local_alloc), loop.c (combine_movables, count_loop_regs_set,
+ load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
+ regclass.c (init_reg_sets, init_reg_sets_1, regclass,
+ record_reg_classes, allocate_reg_info), reload.c
+ (get_secondary_mem, remove_address_replacements, find_reloads),
+ reload1.c (reload, set_initial_label_offsets, finish_spills,
+ reload_as_needed, choose_reload_regs_init,
+ reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
+ (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
+ (rename_registers), stmt.c (expand_end_case), unroll.c
+ (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
+ () instead of bzero ().
+
+2000-11-07 Neil Booth <neilb@earthling.net>
+
+ * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
+
+2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (combine_strings): Only warn about long strings for C.
+
+Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * combine.c (distribute_notes): Fix typo in last change.
+
+2000-11-07 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.md (movdi_internal32+1): Use
+ operand_subreg_force rather than gen_rtx_SUBREG.
+ (movdi_internal32+2): Likewise.
+
+2000-11-07 Philip Blundell <philb@gnu.org>
+
+ * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
+ * config/arm/linux-aout.h: Likewise.
+ * configure: Regenerate.
+
+2000-11-07 Philipp Thomas <pthomas@suse.de>
+
+ * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
+ accepted my the gettext maintainer.
+
+2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strpbrk): New function.
+ (expand_builtin): Handle BUILT_IN_STRPBRK.
+
+ * builtins.def (BUILT_IN_STRPBRK): New entry.
+
+ * c-common.c (c_common_nodes_and_builtins): Declare builtin
+ strpbrk.
+
+2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
+
+ * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
+ * POTFILES.in: Add config/alpha/freebsd.h
+ * configure.in: Add alpha*-freebsd support.
+ * configure: Regenerate.
+
+2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
+ copy of ptr_type_node rather than ptr_type_node itself.
+
+Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * combine.c (recog_for_combine): Allocate uninitialized vector with
+ rtvec_alloc.
+ * recog.c (apply_change_group): Likewise.
+
+Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * flow.c (verify_local_live_at_start): Back out last change.
+ * combine.c (distribute_notes): When parts of a hard reg are
+ neither set nor referenced in PLACE, search backwards for a
+ place to put a REG_UNUSED note; if none found, ask for flow
+ info refresh.
+
+Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
+ with (clobber (match_scratch...)).
+
+2000-11-06 Neil Booth <neilb@earthling.net>
+
+ * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
+ error status.
+
+2000-11-06 Neil Booth <neilb@earthling.net>
+
+ * tradcpp.c (special_symbol): Assign an null string rather
+ than writing to an unallocated buffer.
+
+2000-11-06 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
+ CPP_MACRO_ARG case.
+
+2000-11-06 Neil Booth <neilb@earthling.net>
+
+ * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
+ tok.val.arg_no as appropriate.
+ * cppexp.c (lex): Similarly.
+ * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
+ cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
+ * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
+ cpp_macro_definition): Similarly.
+ * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
+
+2000-11-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
+ operands[1] is constant, calculate the sum and generate movdi.
+ (addsi3): Similarly. Use SImode in call to arith_4096_operand.
+ (subsi3): Use SImode in call to arith_4096_operand.
+
+2000-11-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
+ adjust %o1, not %o0 if the return type is large structure.
+
+2000-11-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
+ update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
+
+Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * expmed.c (expand_divmod): For signed divide by 2, prefer
+ a branch and fewer shifts if branches are very cheap.
+
+2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in: Remove all targets related to building
+ distributions and diffs, or INSTALL.
+ * INSTALL, install1.texi: Remove.
+ * configure.in: Remove mention of distdir.
+ * configure: Regenerate.
+ * objc/Make-lang.in: Remove mention of distdir.
+
+2000-11-04 Neil Booth <neilb@earthling.net>
+
+ * cpp.texi: Update for _Pragma.
+
+2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi (Contributing): Update URL for projects web page.
+
+2000-11-04 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (parse_string): Don't allow multiline strings in
+ #include family directives.
+
+2000-11-04 Neil Booth <neilb@earthling.net>
+
+ * cpplib.c (do_line): Only warn pedantically if not reading
+ preprocessed input.
+
+2000-11-04 Alexandre Oliva <aoliva@redhat.com>
+
+ * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
+ RETURN_POPS_ARGS().
+
+2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * builtins.c (expand_builtin_strlen): Remove unused mode
+ argument.
+ * gcc.c (process_command): Remove unused variable.
+ * fold-const.c: Include expr.h.
+ * recog.c: Include reload.h.
+ * Makefile.in (recog.o, fold-const.o): Update deps.
+
+2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
+
+ * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
+
+Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
+
+ * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
+ handling.
+ (STARTFILE_SPEC): Likewise.
+ (LINK_SPEC): Likewise.
+
+2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
+ (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
+ (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
+
+2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
+ (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
+ perm_calloc, get_identifier, maybe_get_identifier,
+ real_value_from_int_cst, simple_cst_equal), varasm.c
+ (assemble_name, assemble_real, immed_real_const_1,
+ compare_constant_1, decode_rtx_const, output_constant_pool): Use
+ strrchr () instead of rindex (). Use memcmp () instead of bcmp
+ (). Use memcpy () instead of bcopy (). Use memset () instead of
+ bzero ().
+
+2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cppfiles.c (open_file): If already read, then don't reopen.
+ Immediately close an empty file.
+
+2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * expr.h (fold_builtin): Move declaration...
+ * tree.h (fold_builtin): ... here.
+
+Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * flow.c (verify_local_live_at_start): Allow hard regs to die.
+
+2000-11-02 Neil Booth <neilb@earthling.net>
+
+config:
+ * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
+ alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
+ alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
+ alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
+ arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
+ arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
+ c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
+ elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
+ i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
+ i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
+ i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
+ i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
+ i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
+ i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
+ i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
+ i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
+ i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
+ i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
+ i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
+ i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
+ i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
+ ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
+ m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
+ m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
+ m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
+ m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
+ m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
+ m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
+ m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
+ m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
+ m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
+ m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
+ mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
+ mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
+ mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
+ mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
+ mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
+ mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
+ ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
+ ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
+ pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
+ pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
+ romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
+ rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
+ rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
+ rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
+ sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
+ sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
+ sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
+ sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
+ sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
+ sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
+ sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
+ v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
+ vax/vaxv.h, vax/vms.h, we32k/we32k.h
+
+ Replace -A() with -A=, the new assertion syntax.
+
+Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
+ elim_i1.
+ In REG_DEAD handling: When handling parts of multi-hard-reg hard
+ registers, increment the loop counter by the size of the parts;
+ use recursion to handle individual parts.
+
+2000-11-02 Neil Booth <neilb@earthling.net>
+
+ * configure.in: Make integrated CPP the default.
+ * configure: Regenerate.
+
+Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * reload.c (find_equiv_reg): Test all hard registers for membership
+ in the requested class.
+
+2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
+ process_command, main), gcov.c (open_files, output_data), tlink.c
+ (frob_extension, scan_linker_output), toplev.c
+ (file_name_nondirectory): Use strchr () and strrchr () instead of
+ index () and rindex ().
+
+2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (get_flag_spec, check_format_info_main,
+ check_format_types): Use strchr () instead of index (). Compare
+ against error_mark_node instead of comparing the TREE_CODE against
+ ERROR_MARK.
+
+2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
+
+ Integrated CPP.
+
+ * c-lex.c (init_c_lex): Update cpp_start_read call.
+ (cb_ident): Update for new callback prototype.
+ (cb_def_pragma): Update for new cpp_get_token prototype.
+ (c_lex): Similarly. Use cpp_get_line.
+
+ * c-parse.in (finish_parse): Update for new cpp_finish
+ prototype.
+
+ * cp/lex.c (finish_parse): Similarly.
+
+2000-11-01 Geoff Keating <geoffk@cygnus.com>
+
+ * machmode.def: Add V16QImode.
+
+2000-11-01 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (loc_descriptor_from_tree): Check for null result
+ from rtl_for_decl_location.
+ (add_location_or_const_value_attribute): Likewise.
+
+2000-11-01 Neil Booth <neilb@earthling.net>
+
+ * cpplib.c (run_directive): Use correct line number for output
+ of _Pragma. Remember any in-progress directive.
+
+ * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
+
+2000-11-01 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (expand_start_null_loop): Set continue_label.
+
+2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
+ (expand_builtin_constant_p): Move parts of the code into
+ fold_builtin_constant_p.
+ (expand_builtin_strlen): Move parts of the code into fold_builtin.
+ * expr.h (fold_builtin): Declare.
+ * fold-const.c (fold): Handle builtin calls.
+
+ * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
+
+2000-11-01 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (expand_start_null_loop): New.
+ (expand_end_null_loop): New.
+ * c-semantics.c (genrtl_do_stmt): Use them.
+ * tree.h: Declare them.
+
+2000-11-01 Richard Henderson <rth@redhat.com>
+
+ * cppmain.c (scan_buffer): Don't avoid paste for assembly.
+
+2000-11-01 Neil Booth <neilb@earthling.net>
+
+ * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
+ * cp/spew.c: Similarly.
+ * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
+ * cppmacro.c (stringify_arg): Similarly.
+ * cpplib.h (CPP_BACKSLASH): Delete.
+
+2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strstr): New function.
+ (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
+
+ * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
+
+ * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
+ and builtin strchr.
+
+2000-10-31 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (fcmov_comparison_operator): Check for
+ CCFPmode or CCFPUmode instead of CCmode.
+ (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
+ unordered operations as well.
+
+2000-10-31 Richard Henderson <rth@redhat.com>
+
+ * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
+ of integer_zero_node.
+
+2000-10-31 Richard Henderson <rth@redhat.com>
+
+ * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
+
+2000-10-31 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
+ -fdata-sections to override the section attribute of a DECL.
+
+2000-10-31 Chris Demetriou <cgd@sibyte.com>
+
+ * libgcc2.c (__shtab): Remove __shtab variable.
+ * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
+ * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
+ members.
+
+2000-10-31 Jim Wilson <wilson@redhat.com>
+
+ * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
+ * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
+ * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
+ instead of ASM_OUTPUT_INTERNAL_LABEL.
+ (dwarf2out_end_block, dwarf2out_label): Likewise.
+ * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
+ * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
+
+2000-10-31 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
+ (size_of_locs): Set it.
+ (output_loc_operands): Use it to compute branch displacement.
+ (int_loc_descriptor): New.
+ (mem_loc_descriptor): Dereference memory in the proper size.
+ Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
+ (loc_descriptor_from_tree): New.
+ (rtl_for_decl_location): Break out from ...
+ (add_location_or_const_value_attribute): ... here.
+ (add_bound_info): Use loc_descriptor_from_tree.
+
+2000-10-31 Neil Booth <neilb@earthling.net>
+
+ * cpp.texi: Update for new command line assertion syntax.
+ * cpplib.c (cpp_define): Simplify a bit.
+ (cpp_assert, cpp_unassert): Use handle_assertion.
+ (handle_assertion): New function; accept new command line
+ syntax with '='.
+ * testsuite/gcc.dg/cpp/assert3.c: New tests.
+
+2000-10-31 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
+ undefined. Remove #ifdef check.
+ * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
+ Define STDC_0_IN_SYSTEM_HEADERS to 1.
+
+2000-10-31 Jan Hubicka <jh@suse.cz>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.h: Clarify CCNOmode description in comment.
+ (EXTRA_CC_MODES): Remove CCRCmode.
+ * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
+ (put_condition_code, ix86_match_ccmode): Likewise.
+ (ix86_cc_mode): Likewise. Fix comment.
+ (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
+ * config/i386/i386.md: Add unspec 12 description.
+ (adddi3 split): Use unspec 12 instead of CCRCmode.
+ (addsi3_carry_rc): Remove.
+ (addsi3_cc, addqi3_cc): New patterns.
+ (addsi_3): Swap operands, match CCZmode.
+ (addsi_4): Rewritten.
+ (addsi_5): Renamed from addsi_6.
+ (addsi_6): Removed.
+ (addhi_3): Swap operands, match CCZmode.
+ (addhi_4): Rewritten.
+ (addhi_5): Renamed from addhi_6.
+ (addhi_6): Removed.
+ (addqi_3): Swap operands, match CCZmode.
+ (addqi_4): Rewritten.
+ (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
+ (subsi3_carry_rc): Removed.
+ (iorqi_3): Use =q constraint for clobber.
+ (xorqi_cc_2): Likewise.
+ (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
+ (x86_movsicc_0_m1_rc): Removed.
+ (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
+
+2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
+ and decrement of complex types.
+
+2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_fputs): When deleting NOP calls to
+ builtin fputs, ensure we still evaluate the stream in case it
+ has side-effects.
+
+2000-10-31 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
+ to expand_shift.
+
+Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
+ (fp_extended_operand, emit_fpscr_use): Likewise.
+ * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
+ (fpul_operand): New function.
+ * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
+ fp_extended_operand. Add fpul_operand.
+ * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
+ (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
+ (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
+ (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
+ (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
+ (divdf3_i): Likewise.
+ (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
+ (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
+ (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
+ (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
+ (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
+
+2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * config/i386/i386.c (ix86_init_builtins): Correct return type
+ building v4hi_ftype_v4hi_int_int tree node.
+ (ix86_expand_builtin): Use correct operand numbers 0 and 1.
+ Copy operand 0 into a Pmode register, don't generate a MEM rtx.
+
+ * config/i386/i386.md (sse_movntdi): Use mmx register constraint
+ for operand 1.
+ (mmx__uavgv8qi3): Correct insn mnemonic.
+ (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
+ (mmx_punpckhwd): Correct insn mnemonic.
+ (mmx_punpckhdq): Likewise.
+ (mmx_punpcklwd): Likewise.
+ (mmx_punpckldq): Likewise.
+ (prefetch): Use immediare_operand and 'n' constraint for operand 1.
+ Renumber case labels to match the _mm_prefetch constants defined in
+ xmmintrin.h.
+
+ * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
+ if the splitter didn't emit new insns.
+ Make sure we call cleanup_subreg_operands even when splitting the last
+ insn in a basic block.
+
+ * invoke.texi (Debugging Options): Describe -do.
+ * toplev.c (enum_dump_file_index): New entry DFI_postreload.
+ (dump_file): Likewise.
+ (rest_of_compilation): Split .greg dump into .greg and .postreload.
+
+2000-10-30 Neil Booth <neilb@earthling.net>
+
+ * cppfiles.c (stack_include_file): Check for stacked contexts
+ here.
+ * cpphash.h (_cpp_do__Pragma): New prototype.
+ * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
+
+ * cpplex.c (skip_escaped_newlines): Only process trigraphs and
+ escaped newlines if !(buffer->from_stage3).
+ (_cpp_lex_token): Warn about missing newlines iff
+ !buffer->from_stage3.
+
+ * cpplib.c (get__Pragma_string, destringize,
+ _cpp_do__Pragma): New functions.
+ (run_directive): Set output_line for _Pragma to avoid line
+ markers in output. Set from_stage3 and prevent macro expansion
+ for _Pragma and command-line options. Check buffer exhaustion.
+ (cpp_push_buffer): Don't check for stacked macro contexts, as
+ this is perfectly legitimate for _Pragma. Move the check to
+ stack_include_file instead. Set from_stage3 iff buffer is
+ preprocessed input.
+
+ * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
+ unsigned. New boolean from_stage3.
+ (struct spec_nodes): Add n__Pragma.
+
+ * cppmacro.c (enter_macro_context): Flip sense of return value.
+ (_cpp_get_token): Handle _Pragma operator.
+
+2000-10-30 Phil Edwards <pme@sources.redhat.com>
+
+ * gcc.texi: The C++ standard isn't "draft" anymore.
+
+2000-10-30 Mark Mitchell <mark@codesourcery.com>
+
+ * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
+
+2000-10-29 Neil Booth <neilb@earthling.net>
+
+ * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
+
+2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
+ fixinc/inclhack.def: Change comments mentioning C9X to refer to
+ C99 instead.
+
+ * invoke.texi: Document that -V will only work for very similar
+ versions of driver and compiler.
+
+2000-10-29 Neil Booth <neilb@earthling.net>
+
+ * cppmacro.c (_cpp_create_definition): Optimize the case of
+ a macro defined to itself.
+
+2000-10-29 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (save_comment): Don't store new lines in C++ comments.
+
+2000-10-29 Michael Hayes <mhayes@redhat.com>
+
+ * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
+
+2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
+
+ * cpphash.c (cpp_forall_identifiers): Add context variable
+ for callback routine.
+ * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
+ change.
+ (main): Call cpp_forall_identifiers with null context.
+ * cpplib.h (cpp_forall_identifiers): Update prototype.
+
+ * cppmain.c: Make `parse_in' and `print' static.
+
+2000-10-28 Alan Modra <alan@linuxcare.com.au>
+
+ * c-decl.c (finish_function): Clear c_function_name_declared_p.
+
+2000-10-28 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (scan_rtx_address): Frob action, not class,
+ when trying to disable optimization.
+
+2000-10-28 Mark Mitchell <mark@codesourcery.com>
+
+ * c-semantics.c (make_rtl_for_local_static): Don't clobber
+ DECL_ASSEMBLER_NAME.
+
+2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in: Determine and substitute gcc_version_full.
+ * configure: Regenerate.
+ * gccbug.in: Use it to give full version. Don't allow
+ confidential PRs.
+
+2000-10-28 Richard Henderson <rth@redhat.com>
+
+ * recog.c (split_all_insns): Run cleanup_subreg_operands
+ after reload.
+
+ * regrename.c (regrename_optimize): Verify that all registers of
+ a multiple register mode are available.
+ (scan_rtx_address): Accept the mode of the address; all callers
+ changed.
+
+ * cpplib.c (run_directive): Fix prototype.
+
+2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload.c (find_reloads): Distinguish "wins" so that we know whether
+ a given operand won because of a matching constraint or not; then use
+ that information to compute goal_alternative_matched properly.
+ * reload1.c (choose_reload_regs): Never set reload_override_in for an
+ optional reload.
+
+ * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
+ accurate value for MULT.
+ * config/ia64/ia64.c (ia64_print_operand): Require probability to be
+ 2% or > 98% before using static branch prediction bits.
+
+2000-10-28 Neil Booth <neilb@earthling.net>
+
+ New macro expander.
+
+ * cpplib.c (struct answer): New.
+ (struct if_stack): Use cpp_lexer_pos rather than line and col.
+ Rename cmacro mi_cmacro.
+ (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
+ IN_I): New directive and flags.
+ (skip_rest_of_line, check_eol, run_directive, glue_header_name,
+ parse_answer, parse_assertion, find_answer): New functions.
+ (parse_ifdef, detect_if_not_defined, validate_else): Remove.
+ (lex_macro_node): New function to replace parse_ifdef and
+ get_define_node.
+
+ (_cpp_handle_directive): New function, combines _cpp_check_directive
+ and _cpp_check_linemarker.
+
+ (do_define, do_undef, parse_include, do_include, do_import,
+ do_include_next, read_line_number, do_line, do_ident, do_pragma,
+ do_pragma_once, do_pragma_poison, do_pragma_dependency):
+ Update for new token getting interface.
+
+ (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
+ : Update for new multiple-include optimisation technique.
+ (do_elif): Don't forget to invalidate controlling macros.
+
+ (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
+ (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
+ Functions to handle assertions with the new token interface.
+ (do_assert, do_unassert): Use them.
+
+ (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
+ Use run_directive.
+
+ (_cpp_init_stacks): Register directive names. Don't register special
+ nodes.
+
+ * cpperror.c (print_containing_files, _cpp_begin_message): Update to
+ new position recording regime.
+ (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
+ cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
+ cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
+ (cpp_type2name): Move to cpplex.c.
+
+ * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
+ (parse_defined): Update to handle new multiple include optimisation
+ method. Remove poisoned identifier warning.
+ (parse_assertion, TYPE_NAME): Delete.
+ (lex): Update for multiple include optimisation, removal of
+ CPP_DEFINED, to use _cpp_test_assertion for assertions and
+ cpp_token_as_text.
+ (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
+ (op_as_text): New function, to wrap cpp_token_as_text.
+
+ * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
+ Update for MI optimisation.
+ (_cpp_execute_include): Take a token rather than 3 arguments. Fix
+ segfault on diagnostic.
+ (_cpp_compare_file_date): Take a token rather than 3 args.
+ (cpp_read_file): Work correctly for zero-length files.
+
+ * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
+ _cpp_init_hashtable and _cpp_cleanup_hashtable.
+ (cpp_lookup): Place identifiers at front of identifier pool
+ for _cpp_lookup_with_hash.
+ (_cpp_lookup_with_hash): Require identifiers to be at the front of
+ the identifier pool. Commit the memory if not already in the
+ hash table.
+
+ * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
+ Initialize various members of cpp_reader, memory pools, and the
+ special nodes.
+ (cpp_printer_init): Delete.
+ (cpp_cleanup): Update.
+ (struct builtin, builtin_array, initialize_builtins): Update for new
+ hashnode definition and builtin handling.
+ (cpp_start_read, cpp_finish): Don't take or initialize a
+ printer. Update.
+
+ * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
+ PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
+ T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
+ T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
+ (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
+ struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
+ NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
+ struct toklist, struct cpp_context, struct specnodes,
+ TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
+ NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
+ enum builtin_type, cpp_can_paste): New.
+ (struct cpp_token): Delete line and col members.
+ (struct cpp_buffer): New member output_lineno.
+ (struct lexer_state): Delete indented, in_lex_line, seen_dot.
+ Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
+ (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
+ ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
+ base_context, context, directive, mi_state, mi_if_not_defined,
+ mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
+ mlstring_pos, macro_buffer, macro_buffer_len.
+ Delete members mls_line, mls_column, token_list, potential_control_macro,
+ temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
+ context_cap, cur_context, no_expand_level, paste_level, contexts, args,
+ save_parameter_spellings, need_newline, .
+ Change type of date, time and spec_nodes members.
+ Change prototypes for include and ident callbacks.
+ (struct cpp_hashnode): Change type of name. Remove union members
+ expansion and code. Add members macro, operator and builtin.
+
+ (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
+ cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
+ cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
+ cpp_stop_lookahead): New prototypes.
+ (cpp_printer_init, cpp_dump_definition): Delete prototypes.
+
+ (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
+ Move from cpphash.h.
+
+ * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
+ ufputs): Move to cpplib.h.
+ (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
+ TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
+ COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
+ struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
+ _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
+ _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
+ _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
+ _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
+ _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
+ _cpp_parse_assertion, _cpp_find_answer): Delete.
+ (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
+ POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
+ _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
+ _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
+ _cpp_handle_directive, DSC): New.
+ (struct include_file): New member defined.
+
+ (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
+ _cpp_compare_file_date): Update.
+ (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
+ (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
+ _cpp_cleanup_hashtable.
+
+ * Makefile.in: Remove cppoutput.c.
+
+ * cppoutput.c: Delete
+
+ * fixheader.c (read_scan_file): Update for new cpp_get_token
+ prototype.
+ (recognized_function): New argument LINE.
+
+ * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
+ new cpp_get_token prototype.
+
+ * scan.h (recognized_function): Update prototype.
+
+ * po/POTFILES.in: Remove cppoutput.c.
+
+2000-10-27 Mark Mitchell <mark@codesourcery.com>
+
+ * c-typeck.c (check_init_type_bitfields): Remove.
+ (constructor_incremental): Likewise.
+ (struct constructor_stack): Remove incremental bit.
+ (struct initializer_stack): Likewise.
+ (start_init): Don't play with constructor_incremental.
+ (finish_init): Likewise.
+ (really_start_incremental_init): Likewise.
+ (push_init_level): Likewise.
+ (pop_init_level): Likewise.
+ (output_init_level): Likewise.
+ (output_pending_init_elements): Likewise.
+
+2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
+
+ * c-pragma.c (handle_pragma_pack): Initialize align to -1.
+ Improve error messages. Correct parsing of
+ #pragma pack(pop [,id]). Do not check the user-supplied
+ alignment if we're popping.
+
+ * gcc.dg/pack-test-1.c: New test case.
+ * gcc.dg/pack-test-2.c: New test case.
+ * gcc.dg/pack-test-1.h: New file.
+
+2000-10-27 Neil Booth <neilb@earthling.net>
+
+ * cpp.texi: Update.
+
+2000-10-27 Kelley Cook <kelley.cook@home.com>
+
+ * invoke.texi: Document -mintel-syntax
+
+2000-10-27 Richard Henderson <rth@redhat.com>
+
+ * invoke.texi: Document -frename-registers. Add it to -O3.
+ * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
+ (enum dump_file_index, dump_file): Update order.
+ (main): Set flag_rename_registers at -O3.
+
+2000-10-27 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (enum reg_class): Add PV_REG.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
+ (REG_CLASS_FROM_LETTER): Assign it to 'c'.
+ * config/alpha/alpha.md (call_osf_1): Use it.
+ (call_value_osf_1): Likewise.
+
+ * config/ia64/ia64.c: Revert 10-23 patch.
+ (ia64_hard_regno_rename_ok): New.
+ * config/ia64/ia64-protos.h: Declare it.
+ * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
+
+2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
+ Richard Henderson <rth@redhat.com>
+
+ * regrename.c: Rewrite to handle multi-register modes and
+ cond_exec instructions.
+ * Makefile.in (regrename.o): Update dependencies.
+ * recog.h (struct operand_alternative): Add is_address.
+ * recog.c (preprocess_constraints) [case 'p']: Set it.
+
+2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * configure.in: If not NO_MINUS_C_MINUS_O, substitute
+ OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
+ top level. Kill oldstyle_subdirs. Do not include
+ $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
+ $outputs. Do not run configure.lang from config.status.
+ Rearrange warning-flag logic to correspond to what the
+ makefile wants. Put special vax stage1 options in
+ @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
+ with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
+ (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
+ switch is given, nothing otherwise.
+ * configure.lang: Delete.
+
+ * Makefile.in: Expunge all traces of extra_c_objs,
+ extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
+ @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
+ warning options via a three level scheme so that -pedantic and
+ -Wtraditional are not used for non-C front ends: LOOSE_WARN,
+ STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
+ WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
+ Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
+ Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
+ LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
+ generation rules. Wrap all rules that change the current
+ directory in parentheses; pmake doesn't spawn a new shell for
+ each command. Expunge all references to $(P). When one
+ command depends on another and they're run all at once, use &&
+ to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
+ deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
+ and beyond.
+
+ * objc/Make-lang.in: Wrap all rules that change the current
+ directory in parentheses. Expunge all references to $(P).
+ When one command depends on another and they're run all at
+ once, use && to separate them, not ;. Add OUTPUT_OPTION to
+ all object-file generation rules. Delete obsolete variables.
+ * objc/Makefile.in: Delete.
+
+2000-10-27 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (expand_call): If sibcall_failure is set during pass 1,
+ clear tail_call_insns as well.
+
+2000-10-27 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
+ prototype.
+
+2000-10-26 Richard Henderson <rth@redhat.com>
+
+ * calls.c (expand_call): Supress sibcall if we have a
+ BLKmode return in registers.
+
+2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
+ into memory.
+
+2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tree.c (make_node, case 't'): Set alignment to that of
+ char_type_node.
+ * expr.c (move_by_pieces_ninsns): Abort if some length remains.
+
+2000-10-25 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
+ * configure.in (enable-libstdcxx-v3): Arrange to have
+ HAVE_LIBSTDCXX_V3 substituted into the output files.
+
+2000-10-25 Richard Henderson <rth@redhat.com>
+
+ * recog.c (constrain_operands): Initialize which_alternative
+ before no alternatives early exit.
+
+ * cse.c (find_comparison_args): Check that we can reverse a
+ comparison if needed before accepting the substitution.
+
+ * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
+
+ * simplify-rtx.c (simplify_relational_operation): Sign extend
+ low words before sign extending to high words.
+
+2000-10-25 Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/mcore.c: Include config.h before system.h.
+
+2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
+
+ * config/mcore/mcore.md (return): Force function epilogue to
+ always be generated to work around epilogue suppression bug in
+ M*Core backend.
+
+2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): Move warning for qualified void
+ return types with -pedantic to when the function type is
+ constructed. At -W, warn in general for qualified function return
+ types, except for volatile void.
+ * invoke.texi: Document this new warning at -W.
+
+2000-10-25 Neil Booth <neilb@earthling.net>
+
+ * cpp.texi: Update with implementation-defined behavior and
+ internal limits.
+
+2000-10-25 Jakub Jelinek <jakub@redhat.com>
+
+ * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
+ incomplete type force it into alias set 0.
+
+Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
+
+ * alias.c: Include basic-block.h.
+ (loop_p): New function.
+ (mark_constant_function): Use it.
+ * Makefile.in (alias.o): Update dependencies.
+
+2000-10-24 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
+ like memory.
+
+2000-10-24 Jim Wilson <wilson@cygnus.com>
+
+ * expmed.c (store_bit_field): Move integer pun code down after
+ code that calls emit_move_insn for entire register move.
+ * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
+ Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
+
+2000-10-24 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
+ register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
+
+2000-10-24 Aldy Hernandez <aldyh@redhat.com>
+
+ * gcse.c (cprop_insn): do not propagate constants into jump_insn
+ for machines with CC0 more than once.
+
+2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
+
+ * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
+ pseudos just like memory.
+
+2000-10-24 Alexandre Oliva <aoliva@redhat.com>
+
+ * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
+ when deleting libcall sequence collapsed to a single instruction.
+
+2000-10-24 Andrew Haley <aph@cygnus.co.uk>
+
+ * expr.c (do_store_flag): Don't crash if either side of a
+ comparison is error_mark_node.
+
+2000-10-24 Jakub Jelinek <jakub@redhat.com>
+
+ * sibcall.c (purge_mem_unchanging_flag): New function.
+ (optimize_sibling_and_tail_recursive_calls): Call it.
+
+2000-10-24 Philipp Thomas <pthomas@suse.de>
+
+ * Makefile.in (check-po): New target for doing checks in the po
+ subdir if all languages configured.
+ (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
+ configure if NLS is enabled.
+ * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
+ otherwise leave empty.
+ * configure: Regenerate.
+
+2000-10-23 Diego Novillo <dnovillo@cygnus.com>
+
+ * i386.c (print_operand): Handle new 'A' formatting code.
+ 387 opcodes need suffixes even with -mintel-syntax.
+ Check for explicit size override (codes 'b', 'w' and 'k').
+ (print_operand_address): Check if register prefix is needed when
+ emitting `ds' segment override.
+ * i386.h: Add comment about new 'A' formatting code.
+ * i386.md (jump and call patterns): Emit absolute references using %A.
+
+2000-10-23 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
+ output registers as fixed.
+ (ia64_function_epilogue): Undo output fixation.
+
+2000-10-23 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.md: Add names for all unnamed insns; use
+ define_insn_and_split in some obvious places.
+ (lda): Remove.
+ (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
+ (zero_extendqisi2, zero_extendqidi2): Likewise.
+ (zero_extendhisi2, zero_extendhidi2): Likewise.
+ (abs splitters): Fix match_scratch operand number.
+ (bcc_reverse): Swap pc & label instead of non-canonical compare.
+
+2000-10-23 Jim Wilson <wilson@cygnus.com>
+
+ * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
+ CONST_INT.
+ * ia64.md (cmpsi_adjusted): Use %r3.
+ (cmpdi_adjusted): Likewise.
+
+2000-10-23 Diego Novillo <dnovillo@cygnus.com>
+
+ * config/i386/att.h (ASM_FILE_START): Define.
+
+2000-10-23 Diego Novillo <dnovillo@cygnus.com>
+
+ * config/i386/linux.h (ASM_FILE_START): Define.
+
+Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
+
+ * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
+ since this (only) drags in a crt0.o reference that the .ld files
+ also introduce.
+
+2000-10-23 Geoff Keating <geoffk@cygnus.com>
+
+ * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
+ overwrite the value in a RELOAD_FOR_INPUT and other kinds of
+ reloads just like an RELOAD_FOR_OUTPUT would.
+
+ * local-alloc.c (update_equiv_regs): Add an abort(). When
+ deleting or moving insns, update reg_equiv[regno].init_insns.
+
+2000-10-23 Mark Mitchell <mark@codesourcery.com>
+
+ * c-tree.texi: Improve documentation for IF_STMTs and related
+ conditional statements.
+
+2000-10-22 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.c (do_preexpand_calls): Remove.
+ (same_from_p): Don't use CALL_EXPR_RTL.
+ (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
+ (preexpand_calls): Remove.
+ * tree.c (first_rtl_op): Remove CALL_EXPR case.
+ (unsave_expr_1): Likewise.
+ * tree.def (CALL_EXPR): Give it only two slots.
+ * tree.h (CALL_EXPR_RTL): Remove.
+
+2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
+
+ * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
+ __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
+ New functions.
+
+2000-10-22 Alexandre Oliva <aoliva@redhat.com>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): Don't
+ adjust stack when unadjusted_alignment ends up as zero.
+
+2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * fixinc/genfixes: Remove EGCS reference.
+ * install.texi: Remove EGCS reference.
+ * INSTALL: Regenerate.
+
+2000-10-22 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
+
+2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * diagnostic.c: Remove EGCS reference in comment.
+
+Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * loop.c (strength_reduce): Fix error in last change.
+
+2000-10-20 David Edelsohn <edelsohn@gnu.org>
+
+ * Makefile.in (SHLIB_NM_FLAGS): New.
+ (libgcc.mk): Pass it.
+ * mklibgcc.in (libgcc.map): Use it.
+
+ * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
+ SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
+
+2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
+
+ * sparc.c (load_pic_register): Delete unused varaible.
+
+ * libgcc2.c (__addvsi3): Delete unused variable.
+
+ * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
+ __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
+ __negvdi2): Prototype.
+
+ * ssa.c (apply_delayed_renames): Avoid undefined operation.
+
+ * toplev.c (display_target_options): Make static to match
+ prototype. Delete empty declaration.
+
+2000-10-20 Tom Tromey <tromey@cygnus.com>
+
+ * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
+ * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
+
+Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
+ returned MEM.
+ (expand_expr_unaligned, case ARRAY_REF): Check that index is
+ a constant before comparing it; use tree_low_cst.
+ * tree.c (save_expr): Set TREE_READONLY.
+ (substitute_expr): Return inside of NON_LVALUE_EXPR.
+ (build, build1): Set TREE_READONLY if all operands are.
+ (build_index_type): If upper bound is a negative number, lower
+ bound is zero and sizetype is unsigned, use upper bound of one and
+ lower of zero.
+
+2000-10-20 David Edelsohn <edelsohn@gnu.org>
+
+ * gcc.c (process_command, main): Use "because" instead of
+ "since" in error messages.
+
+Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (compute_record_mode): Use tree_low_cst.
+ Don't use mode of field for record unless sizes are the same.
+ (layout_type, case ARRAY_TYPE): Remove special bounds handling
+ previously added for Ada; also change to using host_integerp
+ and tree_low_cst.
+
+ * loop.c (strength_reduce): Show when new register made for
+ giv is known to be a pointer and its aligment if so and known.
+ (loop_dump_aux): Show VERBOSE parameter unused.
+
+ * gcse.c (set_hash_table_size): Now unsigned.
+ * sdbout.c (template_name_p): Add "const" to avoid warnings.
+ (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
+ (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
+ (sdbout_end_epilogue): Remove variable NAME.
+ * system.h (getopt): Add default definition.
+ * config/alpha/alpha.c (print_operand): Don't continue processing
+ after issuing error.
+ (summarize_insn): Avoid use of UL in constant.
+
+ * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
+
+ * fold-const.c (force_fit_type): Unsigned values can overflow
+ if they are sizetype.
+ (int_const_binop): Don't use cache if overflows.
+
+2000-10-20 Richard Henderson <rth@cygnus.com>
+
+ * function.c (locate_and_pad_parm): Zero alignment_pad.
+
+ * regrename.c (rr_replace_reg): Rewrite to use recog_data to
+ perform substitutions, and apply_change_group to see if it worked.
+
+Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
+
+ * combine.c (struct undo): Change int to unsigned int.
+ (do_SUBST_INT): Args are unsigned int.
+ (make_extraction, force_to_mode): Use proper type when forming mask.
+ (make_field_assignment): Likewise.
+
+2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_info_recurse): Extract string constant
+ initializers from non-volatile constant arrays and check them as
+ formats.
+ * c-typeck.c (decl_constant_value): Don't check pedantic or check
+ for DECL_MODE (decl) != BLKmode.
+ (decl_constant_value_for_broken_optimization): New function which
+ includes these checks.
+ (default_conversion, convert_for_assignment, digest_init): Use
+ decl_constant_value_for_broken_optimization instead of
+ decl_constant_value.
+
+2000-10-20 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (DECL_ALIGN_UNIT): New macro.
+
+2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr-protos.h (avr_output_bld): New.
+ (out_shift_with_cnt): Add t_len argument.
+ * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
+ (output_movqi, output_movhi, output_movsisf): Optimize loading
+ any constant with exactly one bit set to NO_LD_REGS.
+ (out_shift_with_cnt): Optimize output code for size or speed,
+ depending on optimize_size. Handle small shift counts as well
+ (if not hand-optimized in ?sh??i3_out). Shifts can be done
+ with or without a scratch register, with help of __tmp_reg__
+ or __zero_reg__ if necessary. Add T_LEN argument to pass the
+ length of TEMPLATE in words, return total insn length in *LEN.
+ (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
+ out_shift_with_cnt to work with the above change.
+ (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
+ lshrsi3_out): Likewise. Optimize more known shift count cases.
+ Remove cases already well optimized in out_shift_with_cnt.
+ (avr_output_bld): New function.
+ * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
+ (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
+ * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
+ Add reload_completed to insn condition - only for peepholes.
+ (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
+ in a register or memory.
+ (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
+ Do not require a scratch register.
+ (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
+ *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
+ Optimize shifts by known count using a scratch register, but only
+ if one is still available after register allocation.
+
+2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * t-vax: New file. Don't build modules from libgcc1.c.
+
+Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
+
+ * alias.c: (mark_constant_function): Don't check pure functions.
+ Initialize and end alias analysis.
+ (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
+ Don't make a special exception for recursion. Handle
+ UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
+ unless it's volatile.
+
+ * local-alloc.c (equivalence): New structure.
+ (reg_equiv): Define.
+ (contains_replace_regs): Remove array and use
+ field in reg_equiv.
+ (memref_referenced_p): Likewise.
+ (no_equiv): Likewise.
+ (update_equiv_regs): Likewise.
+
+ (equiv_init_varies_p,
+ equiv_init_movable_p): New functions.
+ (update_equiv_regs): Use them. Use rtx_varies_p
+ instead of function_invariant_p. Process insns
+ from end to beginning. Allow a REG_EQUIV insn
+ within the same loop as a use to be moved, also
+ allow it to be moved out of a loop. Update
+ REG_DEAD notes when substituting into an insn.
+
+2000-10-19 Jim Wilson <wilson@cygnus.com>
+
+ * c-decl.c (start_decl): Check for error_mark_node type before using
+ COMPLETE_TYPE_P.
+ (finish_decl): Likewise. Don't give an error if decl type is
+ already error_mark_node.
+
+ * haifa-sched.c (compute_trg_info): Add explanatory comments.
+ New local update_blocks. Use update_blocks to remove duplicates
+ when computing update blocks. Check for bblst_table overflow.
+ (schedule_block): Add explanatory comment. Reduce bblst_size by
+ factor of 2.
+ * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
+ notes.
+
+2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
+
+ * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
+
+2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
+
+ * expmed.c: Minor corrections in comments.
+ * invoke.texi: Added desciption for the new option -ftrapv.
+
+2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
+
+ * libgcc2.c: Added the missing #endif.
+
+Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
+
+2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
+
+ * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
+ Use smulv_optab for -ftrapv.
+ (expand_mult_highpart): Use unsigned multiply.
+ (expand_divmod): Special-case division by -1.
+ For EXACT_DIV_EXPR, do right shift first, then the multiply.
+ For complex divide, use abs with unsigned result.
+ * expr.c (force_operand): Use unsigned multiply.
+ (expand_expr): Use overflow-trapping optabs for signed types if
+ flag_trapv.
+ If flag_trapv, don't generate a recursive call with EXPAND_SUM
+ if the type is signed and the original call wasn't EXPAND_SUM or
+ EXPAND_INITIALIZER.
+ * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
+ (negv_optab, absv_optab): Declare.
+ * flags.h (flag_trapv): Declare.
+ * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
+ smulv_optab, sdivv_optab, negv_optab and absv_optab.
+ (gen_insn): Interpret '$P' as requiring an integer mode,
+ including partial integer modes.
+ * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
+ (product_cheap_p): Use unsigned expand_mult.
+ * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
+ (negv_optab, absv_optab): Define.
+ (expand_binop): Use overflow-trapping optabs for signed types if
+ flag_trapv.
+ Handle negv_optab libe neg_optab.
+ (expand_abs): Take result_unsignedp argument instead of unsignedp one.
+ Use overflow-trapping optabs for signed result if flag_trapv.
+ (expand_complex_abs): Use overflow-trapping optabs for signed types if
+ flag_trapv.
+ Don't open-code complex absolute-value operation for flag_trapv.
+ (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
+ sdivv_optab, negv_optab and absv_optab.
+ * toplev.c (flag_trapv): Define.
+ (lang_independent_options f_options): Include flag_trapv.
+ * tree.h (TYPE_TRAP_SIGNED): Define.
+ * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
+ __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
+ New functions.
+ * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
+ _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
+
+2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
+ David V. Henkel-Wallace <gumby@cygnus.com>
+
+ * config/i386/t-netware: Bring in from the Red Hat tree.
+ * config/i386/netware.h: Likewise.
+ * config/netware.h: Likewise.
+ * config/rs6000/netware.h: Delete.
+ * configure.in: Add i[34567]86-*-netware.
+ * configure: Hand-edit to match configure.in change.
+
+2000-10-18 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (flag_no_builtin): Declare.
+ (flag_no_nonansi_builtin): Likewise.
+ (c_common_nodes_and_builtins): Change prototype.
+ * c-common.c (flag_no_builtin): New variable.
+ (flag_no_nonansi_builtin): Likewise.
+ (c_common_nodes_and_builtins): Remove parameters. Adjust
+ accordingly.
+ * c-decl.c (flag_no_builtin): Remove.
+ (flag_no_nonansi_builtin): Likewise.
+ (init_decl_processing): Adjust call to
+ c_common_nodes_and_builtins.
+
+2000-10-18 Marc Espie <espie@openbsd.org>
+
+ * tm.texi (LIBGCC_SPEC): Synch with reality.
+
+2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_types): Check for writing through a
+ NULL pointer argument.
+
+2000-10-18 Hans-Peter Nilsson <hp@axis.com>
+
+ * tm.texi (Exception Region Output): Document
+ DWARF_CIE_DATA_ALIGNMENT.
+ * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
+ #ifndef.
+ [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
+ DWARF_CIE_DATA_ALIGNMENT.
+
+2000-10-18 Michael Hayes <mhayes@cygnus.com>
+
+ * basic-block.h (struct loop): Delete fields pre_header_root
+ and pre_header_trace and replace with pre_header_edges
+ and num_pre_header_edges.
+ * flow.c (flow_loop_dump): Dump pre_header_edges.
+ (flow_loops_free): Free pre_header_edges.
+ (flow_loop_pre_header_scan): Calculate pre_header_edges.
+
+2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * contrib.texi: Update references to steering committee members
+ and Jeff Law's entry.
+
+2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
+ (maybe_read_dollar_number, check_format_info_main): Use them for
+ pedantic warning messages.
+
+2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_info_main): Minor cleanup: move
+ variables into inner scopes; initialize declarations where
+ appropriate; don't hardcode "scanf" name on warning for zero
+ width.
+
+2000-10-17 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (back_end_hook): New variable.
+ * c-common.h (back_end_hook): Declare it.
+ * c-lang.c (finish_file): Use it.
+
+ * emit-rtl.c (init_emit_once): Initialize the const_int_htab
+ earlier.
+
+2000-10-18 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_comparison_operator, put_condition_code,
+ ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
+ (ix86_expand_strlensi_unroll_1): Use CCRCmode.
+ * i386.h (EXTRA_CC_MODES): Add CCRCmode.
+ * i386.md (adddi and negdi splitter): Use CCRCmode.
+ (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
+ (subsi3_carry): add '*'
+ (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
+ (cmp to add peep2): Use CCRCmode; swap operands.
+
+2000-10-18 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c: Fix a comment typo.
+ (round_frame_size): New.
+ (compute_saved_regs): Likewise.
+ (push): Likewise.
+ (pop): Likewise.
+ (push_order): Remove.
+ (pop_order): Likewise.
+ (function_prologue): Rearrange code for readability.
+ (function_epilogue): Likewise.
+
+ * config/h8300/h8300.md: Remove an unnecessary sign_extend
+ expander that is used when not optimizing. Output a tab after
+ each assembly insns.
+
+ * reorg.c: Fix formatting.
+
+2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
+
+ * reload1.c (move2add_note_store): Check for simple
+ auto-inc in destination.
+
+2000-10-17 Michael Chastain <chastain@redhat.com>
+
+ * config/i386/i386-aout.h: define INT_ASM_OP.
+
+Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
+
+ * pa.c (print_operand): Handle case 'c' for .vtable_inherit
+
+Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
+
+ * i370.md: Fix spelling typo.
+
+2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * function.c (locate_and_pad_parm): Don't align stack unconditionally.
+ Fixes execute/20001017-1.c on powerpc-linux-gnu.
+
+ * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
+ * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
+ LABEL_REF.
+
+ * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
+ ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
+ here...
+ * rs6000/aix.h: ...to here.
+ * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
+
+2000-10-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
+
+ * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
+ sure linker can relax even the delay slot mov %g1,%o7, fix output
+ formating.
+
+2000-10-17 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Remove an unnecessary zero_extend
+ expander that is used when not optimizing. Output a tab after
+ each assembly insns.
+
+2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
+
+ * gcc.c: New options --target-help.
+ (process_command): Added code to parse this new option.
+ * toplev.c (display_target_options): New function to support the
+ above new option.
+ * cppinit.c (new_pending_directive) : New option OPT_target__help.
+ (cpp_handle_option): Support this new option.
+ * invoke.texi: Added notes about --target-help option.
+
+2000-10-17 Graham Stott <grahams@redhat.com>
+
+ * config/i386/i386.md (testqi_1): Add missing operand prefix
+ for operand 0.
+ * config/i386/i386-protos.h: Add missing prototype.
+
+2000-10-17 Diego Novillo <dnovillo@cygnus.com>
+
+ * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
+ _GLOBAL_OFFSET_TABLE should not have a $ prefix when
+ using -mintel-syntax.
+
+2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
+ (format_types): Use it for printf.
+ (maybe_read_dollar_number): Add parameter for the kind of format
+ involved. Warn for multiple use for arguments if this is
+ inappropriate for the kind of format involved.
+ (check_format_info_main): Update calls to maybe_read_dollar_number.
+
+2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * inclhack.def (hpux_maxint): Also apply fix to values.h.
+ * fixincl.x: Rebuilt.
+
+2000-10-17 Alexandre Oliva <aoliva@redhat.com>
+
+ * genrecog.c (write_switch): Return the first condition that needs a
+ label.
+
+2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * c-tree.h (warn_sequence_point): Move declaration to...
+ * c-common.h (warn_sequence_point): ... here.
+ * c-decl.c (warn_sequence_point): Move definition to...
+ * c-common.c (warn_sequence_point): ... here.
+ (struct reverse_tree): New.
+ (reverse_list, reverse_max_depth): New static variables.
+ (build_reverse_tree, common_ancestor, modify_ok
+ verify_sequence_points): New functions.
+ (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
+ * c-typeck.c (check_modify_expr): Delete.
+ (build_modify_expr): Don't call it.
+
+2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.h (warn_missing_format_attribute): New variable.
+ * c-decl.c (warn_missing_format_attribute): New variable.
+ (c_decode_option): Decode -Wmissing-format-attribute and
+ -Wno-missing-format-attribute.
+ * c-common.c (check_function_format): If
+ -Wmissing-format-attribute, give a warning where a vprintf or
+ vscanf function is called by a function without its own printf or
+ scanf attribute.
+ * toplev.c (documented_lang_options): Add
+ -Wmissing-format-attribute.
+ * invoke.texi: Document -Wmissing-format-attribute.
+
+2000-10-17 Marc Espie <espie@openbsd.org>
+
+ * invoke.texi (-shared): Insist on requiring code generation flags
+ to be used along with -shared, and document the subtle failure that
+ may occur otherwise.
+
+2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md (return_internal): Move `use' after `return'.
+
+2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * machmode.def: Correct comment.
+
+2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
+
+ * print-rtl.c (print_rtx_head): Constify.
+ * rtl.h (print_rtx_head): Similarly.
+
+ * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
+ Constify char * return value.
+ * config/pa/pa/pa.c
+ (output_64bit_and, output_64bit_ior): Constify char * return value.
+ (pa_can_combine_p): Make static.
+ (function_arg): Decorate unused `named' argument. Fix comment typo.
+ (function_arg_partial_nregs): Decorate unused `named' argument.
+
+2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (format_check_results): New structure.
+ (finish_dollar_format_checking): Adjust to take a
+ format_check_results * parameter.
+ (check_format_info, check_format_info_recurse,
+ check_format_info_main): Split check_format_info into three
+ functions, the main checking going in check_format_info_main.
+ Recurse when any reduction of the format string argument towards a
+ string literal is done; go down both branches of a conditional
+ expression. Don't warn for extra format arguments or empty format
+ strings if they only occur in some branches of a conditional
+ expression.
+
+2000-10-16 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c: Remove obstack. Include ggc.h.
+
+2000-10-16 Jakub Jelinek <jakub@redhat.com>
+
+ * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
+
+2000-10-15 Diego Novillo <dnovillo@cygnus.com>
+
+ * i386.md (*movsi_or): Switch operand order for intel syntax.
+
+2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * PROBLEMS: Remove.
+
+ * gcc.texi (Contributing): Update.
+
+2000-10-13 Diego Novillo <dnovillo@cygnus.com>
+
+ * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
+ appropriate assembler dialect.
+
+2000-10-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-common.c (c_expand_builtin): PARAMS-ize prototype.
+
+2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
+ constants 1 and 2 to NO_LD_REGS.
+
+2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (c-parse.c, tradcif.c): Create atomically.
+
+ * objc/Make-lang.in (objc-parse.c): Likewise.
+
+2000-10-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c: Include obstack.h
+ (minipool_obstack, minipool_startobj): Define.
+ (arm_add_gc_roots): Initialize them.
+ (create_fix_barrier): Use our new obstack.
+ (push_minipool_barrier, push_minipool_fix): Likewise.
+ (arm_reorg): Release obstack memory.
+
+2000-10-13 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
+ (prologue, exception_receiver, builtin_setjmp_receiver): New
+ patterns.
+ * config/sparc/sparc.h (FINALIZE_PIC): Remove.
+ * config/sparc/sparc-protos.h (finalize_pic): Remove.
+ (load_pic_register): New prototype.
+ * config/sparc/sparc.c (pic_setup_code): Remove.
+ (finalize_pic): Rename to...
+ (load_pic_register): ...this function.
+ Don't look for nonlocal_goto_receivers and emit pic setup code
+ directly. Don't check current_function_uses_pic_offset_table.
+
+2000-10-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * tree.h (struct obstack): Declare.
+
+2000-10-12 Mark Mitchell <mark@codesourcery.com>
+
+ Remove obstacks.
+ * Makefile.in (ggc-callbacks.o): Remove target.
+ (flow.o): Depend on GGC_H.
+ * alias.c (init_alias_analysis):
+ Remove ggc_p conditionals.
+ (end_alias_analysis): Likewise.
+ * basic-block.h (init_flow): New function.
+ (allocate_reg_life_data): Declare.
+ * bb-reorder.c (function_obstack): Replace with ...
+ (flow_obstack): ... new variable.
+ (fixup_reorder_chain): Use it.
+ * c-decl.c (ggc_p): Remove.
+ (caller-save.c): Don't call oballoc/obfree.
+ * combine.c (struct
+ undobuf): Remove storage.
+ (try_combine): Don't call oballoc.
+ (undo_all): Don't call obfree.
+ * cse.c (insert): Use xmalloc, not
+ oballoc.
+ (cse_main): Adjust accordingly.
+ * dwarf2out.c (save_rtx): Remove
+ obstack code.
+ (dwarf2out_init): Remove ggc_p conditionals.
+ * emit-rtl.c (rtl_obstack): Remove.
+ (gen_rtx_CONST_INT): Remove ggc_p conditionals.
+ (make_insn_raw): Likewise.
+ (emit_insn_before): Likewise.
+ (emit_insn_after): Likewise.
+ (emit_insn): Likewise.
+ (gen_sequence): Likewise.
+ (copy_insn_1): Remove handling of `b' RTL components.
+ (init_emit_once): Remove ggc_p conditionals.
+ * except.c (create_rethrow_ref): Don't fool with obstacks.
+ (add_partial_entry): Likewise.
+ (call_get_eh_context): Likewise.
+ (begin_protect_partials): Likewise.
+ (protect_with_terminate): Likewise.
+ * explow.c
+ (plus_constant_wide): Likewise.
+ * expr.c (init_expr_once):
+ Likewise.
+ (emit_block_move): Likewise.
+ (clear_storage): Likewise.
+ (expand_expr): Likewise.
+ * flow.c (function_obstack): Remove.
+ (flow_obstack): New variable.
+ (flow_firstobj): Likewise.
+ (create_base_block): Use the flow_obstack.
+ (split_block): Likewise.
+ (split_edge): Likewise.
+ (calculate_global_regs_live): Likewise.
+ (allocate_bb_life_data): Make it static. Likewiwse.
+ (init_flow): New function.
+ (size_int_type_wide): Remove ggc_p conditionals.
+ * function.c
+ (push_function_context_to): Don't call save_tree_status.
+ (pop_function_context_from): Or restore_tree_status.
+ (assign_stack_local_1): Don't call push_obstacks.
+ (find_fixup_replacement): Use xmalloc.
+ (fixup_var_refs_insns): Free the storage.
+ (insns_for_mem_walk): Don't mess with obstacks.
+ (instantiate_decls): Likewise.
+ (trampoline_address): Likewise.
+ (expand_function_end): Likewise.
+ * function.h (sturct function):
+ Remove obstack-related variables.
+ (save_tree_status): Don't declare.
+ (restore_tree_status): Likewise.
+ * gcse.c (compute_can_copy):
+ Don't call oballoc/obfree.
+ * genattrtab.c (operate_exp): Remove
+ ggc_p conditionals.
+ (simplify_cond): Likewise.
+ (simplify_test_exp): Don't mess with obstacks.
+ (optimize_attrs): Likewise.
+ * gengenrtl.c (gendef): Don't include
+ ggc_p conditionals.
+ * ggc-callbacks.c (ggc_p): Remove.
+ * ggc-none.c (ggc_p): Remove.
+ * ggc.h (ggc_p): Don't declare.
+ * integrate.c (save_for_inline): Don't mess with obstacks.
+ (integrate_decl_tree): Likewise.
+ (output_inline_function): Likewise.
+ * lists.c
+ (init_EXPR_INSN_LIST_cache): Likewise.
+ * loop.c (temp_obstack):
+ Remove.
+ (rtl_obstack): Likewise.
+ (init_loop): Don't mess with obstacks.
+ (reg_address_cost): Free BIVs and GIVs.
+ (check_insns_for_bivs): Use xmalloc, not oballoc.
+ (find_mem_givs): Likewise.
+ (record_biv): Likewise.
+ (general_induction_var): Likewise.
+ (product_cheap_p): Likewse.
+ * optabs.c (init_one_libfunc): Remove
+ ggc_p conditional.
+ * print-tree.c (debug_tree): Don't use
+ oballoc/obfree.
+ (print_node): Likewise.
+ * profile.c (output_func_start_profiler):
+ Remove call to temporary_allocation.
+ * reload1.c
+ (eliminate_regs_in_insn): Don't mess with obstacks.
+ * resource.c
+ (mark_target_live_regs): Use xmalloc.
+ (free_resource_info): Free the memory.
+ * rtl.c (rtl_obstack):
+ Remove.
+ (rtvec_alloc): Don't mess with obstacks.
+ (rtx_alloc): Likewise.
+ (rtx_free): Remove.
+ (copy_rtx): Don't handle `b' cases.
+ (read_rtx): Use a local rtl_obstack.
+ * rtl.h (oballoc): Remove.
+ (obfree): Likewise.
+ (pop_obstacks): Likewise.
+ (push_obstacks): Likewise.
+ (allocate_bb_life_data): Likewise.
+ (allocate_reg_life_data): Likewise.
+ (rtx_free): Likewise.
+ * sdbout.c (sdbout_queue_anonymous_type):
+ Use tree_cons, not saveable_tree_cons.
+ * simplify-rtx.c
+ (cselib_init): Don't mess with obstacks.
+ * stmt.c
+ (mark_block_nesting): Mark the label_chain.
+ (epxand_label): Use ggc_alloc, not oballoc.
+ (clear_last_expr): Don't mess with obstacks.
+ (expand_decl_cleanup): Likewise.
+ (expand_dcc_cleanup): Likewise.
+ (expand_dhc_cleanup): Likewise.
+ (expand_anon_union_decl): Likewise.
+ (add_case_node): Use xmalloc, not oballoc.
+ (free_case_nodes): New function.
+ (expand_end_case): Call it.
+ * stor-layout.c (layout_type): Don't
+ mess with obstacks.
+ (layout_type): Likewise.
+ * toplev.c (wrapup_global_declarations):
+ Likewise.
+ (compile_file): Remove ggc_p conditionals.
+ (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
+ (decode_f_option): Remove ggc_p conditionals.
+ * tree.c
+ (function_maybepermanent_obstack): Remove.
+ (maybepermanent_obstack): Likewise.
+ (function_obstack): Likewise.
+ (tmeporary_obstack): Likewise.
+ (momentary_obstack): Likewise.
+ (temp_decl_obstack): Likewise.
+ (saveable_obstack): Likewise.
+ (rtl_obstack): Likewise.
+ (current_obstack): Likewise.
+ (expression_obstack): Likewise.
+ (struct obstack_stack): Likewise.
+ (obstack_stack): Likewise.
+ (obstack_stack_obstack): Likewise.
+ (maybepermanent_firstobj): Likewise.
+ (temporary_firstobj): Likewise.
+ (momentary_firstobj): Likewise.
+ (temp_decl_firstobj): Likewise.
+ (momentary_function_firstobj): Likewise.
+ (all_types_permanent): Likewise.
+ (struct momentary_level): Likewise.
+ (momentary_stack): Likewise.
+ (init_obstacks): Remove initialization of removed obstacks.
+ (save_tree_status): Remove.
+ (restore_tree_status): Likewise.
+ (temporary_allocation): Liekwise.
+ (end_temporary_allocation): Liekwise.
+ (resume_temporary_allocation): Likewise.
+ (saveable_allocation): Likewise.
+ (push_obstacks): Likewise.
+ (push_obstacks_nochange): Likewise.
+ (pop_obstacks): Likewise.
+ (allocation_temporary_p): Likewise.
+ (permanent_allocation): Likewise.
+ (preserve_data): Likewise.
+ (preserve_initializer): Likewise.
+ (rtl_in_current_obstack): Likewise.
+ (rtl_in_saveable_obstack): Likewise.
+ (oballoc): Likewise.
+ (obfree): Likewise.
+ (savealloc): Likewise.
+ (expralloc): Likewise.
+ (print_obstack_name): Likewise.
+ (debug_obstack): Likewise.
+ (object_permanent_p): Likewise.
+ (push_momentary): Likewise.
+ (perserve_momentary): Likewise.
+ (clear_momentary): Likewise.
+ (pop_momentary): Likewise.
+ (pop_momentary_nofree): Likewise.
+ (suspend_momentary): Likewise.
+ (resume_momentary): Likewise.
+ (make_node): Don't set TREE_PERMANENT.
+ (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
+ Don't set TREE_PERMANENT.
+ (get_identifier): Remove ggc_p conditionals.
+ (build_string): Likewise.
+ (make_tree_vec): Likewise.
+ (build_decl_list): Remove.
+ (build_expr_list): Likewise.
+ (tree_cons): Remove ggc_p conditionals.
+ (decl_tree_cons): Remove.
+ (expr_tree_cons): Likewise.
+ (perm_tree_cons): Likewise.
+ (temp_tree_cons): Likewise.
+ (saveable_tree_cons): Likewise.
+ (build1): Remove ggc_p conditionals.
+ (build_parse_node): Likewise.
+ (build_type_attribute_variant): Don't mess with obstacks.
+ (build_type_copy): Likewise.
+ (type_hash_canon): Likewise.
+ (build_pointer_type): Likewise.
+ (build_reference_type): Likewise.
+ (build_index_type): Likewise.
+ (build_range_type): Likewise.
+ (dump_tree_statistics): Don't print obstack information.
+ * tree.h
+ (struct tree_common): Remove permanent_flag.
+ (TREE_PERMANENT): Remove.
+ (TREE_SET_PERMANENT): Likewise.
+ (TYPE_OBSTACK): Likewise.
+ (struct tree_type): Remove obstack.
+ (oballoc): Remove.
+ (savealloc): Likewise.
+ (build_decl_list): Likewise.
+ (build_expr_list): Likewise.
+ (perm_tree_cons): Likewise.
+ (temp_tree_cons): Likewise.
+ (saveable_tree_cons): Likewise.
+ (decl_tree_cons): Likewise.
+ (expr_tree_cons): Likewise.
+ (suspend_momentary): Likewise.
+ (allocation_temporary_p): Likewise.
+ (resume_momentary): Likewise.
+ (push_obstacks_nochange): Likewise.
+ (permanent_allocation): Likewise.
+ (push_momentary): Likewise.
+ (clear_momentary): Likewise.
+ (pop_momentary): Likewise.
+ (end_temporary_allocation): Likewise.
+ (pop_obstacks): Likewise.
+ (push_obstacks): Likewise.
+ (pop_momentary_nofree): LIkewise.
+ (preserve_momentary): Likewise.
+ (saveable_allocation): Likewise.
+ (temporary_allocation): Likewise.
+ (resume_temporary_allocation): Likewise.
+ (perserve_initializer): Likewise.
+ (debug_obstack): Likewise.
+ (rtl_in_current_obstack): Likewise.
+ (rtl_in_saveable_obstack): Likewise.
+ (obfree): Likewise.
+ * varasm.c (current_obstack): Remove.
+ (saveable_obstack): Remove.
+ (rtl_obstack): Remove.
+ (immed_double_const): Don't mess with obstacks.
+ (immed_real_cons): Likewise.
+ (output_constant_def): Likewise.
+ (init_varasm_status): Use xcalloc.
+ (mark_pool_constant): Mark the pool constant itself.
+ (free_varasm_status): Free memory.
+ (decode_rtx_const): Call bzero directly, rather than expanding it
+ inline.
+ (record_rtx_const): Don't mess with obstacks.
+ (force_const_mem): Likewise.
+ * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
+ conditionals.
+ (aof_pic_entry): Likewise.
+ * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
+ * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
+ * config/pa/pa.c (saveable_obstack): Remove.
+ (rtl_obstack): Likewise.
+ (current_obstack): Likewise.
+ (output_call): Don't mess with obstacks.
+ (hppa_encode_label): Remove ggc_p conditionals.
+ * config/romp/romp.c (get_symref): Don't mess with obstacks.
+ * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
+ (rs6000_encode_section_info): Likewise.
+ * config/sh/sh.c (get_fpscr_rtx): Likewise.
+
+Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (adddi3, subdi3 splitters): Update for new pattern.
+ (addsi3_cc, addqi3_cc, subsi3_cc): Remove
+ (addsi3_carry): Canonicalize.
+ (addqi_5): Remove '*'.
+ (sbb pattern): Canonicalize.
+
+ * i386.md (cmp to inc/add peep2): New.
+
+2000-10-12 Richard Earnshaw <rearnsha@arm.com>
+
+ * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
+ the exit block.
+
+2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
+ * README.TRAD, TESTS.FLUNK: Remove.
+
+2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (decl_attributes): Don't allow strftime formats with
+ first_arg_num nonzero.
+ (check_format_info): Set wanted_type and wanted_type_name to zero
+ before they are possibly assigned and used.
+
+2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (scanf_flag_specs): Add flags ' and I.
+ (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
+ or the ^ and # flags together.
+ (scan_char_table): Handle the ' and I flags.
+ (format_types): Add ' and I flags for scanf.
+
+2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (print_char_table): Use the unpromoted type for
+ lengths "h" and "hh" with conversions dioxXu.
+ (check_format_types): Apply the default argument promotions where
+ the wanted type is not a pointer target.
+
+2000-10-11 Michael Meeks <mmeeks@gnu.org>
+ Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (check_modify_expr): New function.
+ (build_modify_expr): Call it if warn_sequence_point.
+ * c-decl.c (warn_sequence_point): New variable.
+ (c_decode_option): Handle -Wsequence-point and
+ -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
+ * c-tree.h (warn_sequence_point): Declare.
+ * invoke.texi (-Wsequence-point): Document.
+ * toplev.c (documented_lang_options): Add -Wsequence-point and
+ -Wno-sequence-point.
+ Original work by Michael Meeks, 16 Jun 1998.
+
+Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (get_narrower): Don't look at precision of field if
+ not laid out yet.
+
+Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
+ declaration for data with "progmem" attribute.
+
+2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
+ Correct insn length if shift count is a memory operand.
+ * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
+ (*iorhi3_clobber): Change lo8 to hi8.
+ (zero_extendhisi2): Change %B0 to %A1.
+ (ashlhi3, ashrhi3): Correct insn length.
+ (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
+ from "clobber" to "set_n" in some alternatives.
+
+2000-10-10 Jakub Jelinek <jakub@redhat.com>
+
+ * reload1.c (calculate_needs_all_insns): If deleting an instruction,
+ remove its insn_chain structure as well.
+
+2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * dbxout.c (dbxout_source_line): Remove extra tab.
+
+2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
+
+2000-10-09 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (LANG_LIB2FUNCS): Remove.
+ (LIB2FUNCS): Remove _pure.
+ (LIB2ADD): Remove LANG_LIB2FUNCS.
+ (stage_a): Don't set LANG_LIB2FUNCS.
+ * libgcc2.c (__terminate): Mark noreturn.
+ (__pure_virtual): Remove.
+ * mklibgcc.in: Remove LIB2ADD .txt processing.
+
+2000-10-09 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (push_multi): Revert unintended change.
+
+2000-10-09 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c: Miscellaneous white space and comment clean-ups. No
+ functional change.
+ * arm.md: Likewise.
+
+2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
+ STRING_CST by calling combine_strings.
+
+2000-10-09 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
+ (thumb_output_move_mem_multiple): Support new insn format.
+ * arm.md (movmem12b): Use SSA compatible format.
+ (movmem8b): Likewise.
+
+2000-10-09 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (predicable): New attribute, default to "no".
+ (all patterns): Mark as predicable if appropriate.
+ (conditional execution splits): Split using predication format.
+ (define_cond_exec): Define.
+ * arm.c (arm_print_operand): handle insn predicate.
+
+2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.NS32K: Remove file.
+
+2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README-bugs: Remove file.
+
+2000-10-08 Philipp Thomas <pthomas@suse.de>
+ * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
+ for test.
+ * configure: Rebuilt.
+
+2000-10-08 Philipp Thomas <pthomas@suse.de>
+ * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
+ disable catalog building if no suitable program was found.
+ Move warning message from here
+ (AM_GNU_GETTEXT): To here.
+ * configure: Rebuilt.
+
+2000-10-08 Philipp Thomas <pthomas@suse.de>
+ * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
+ different cache variables.
+ (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
+ uses different cache variables.
+ (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
+ * configure: Regenerated.
+
+2000-10-08 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
+ * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
+ * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
+ Use SHLIB_EXT.
+
+ * config/t-linux (SHLIB_EXT): New.
+ (SHLIB_LINK): Use the entire build command, with substitutions.
+ (SHLIB_LIBS): Remove.
+ * config/alpha/t-osf4: Likewise.
+ * config/mips/t-iris6: Likewise.
+ * config/sparc/t-sol2: Likewise, but move shlib stuff...
+ * config/sparc/t-slibgcc-sld: ...here.
+ * config/sparc/t-slibgcc: New file.
+
+2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
+ * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
+ CTI_UINTMAX_TYPE.
+ (intmax_type_node, uintmax_type_node): Define.
+ * c-common.c (decl_attributes): If pedantic, warn if `mode'
+ attributes create a type wider than intmax_t.
+ (T_IM, T_UIM): Define properly.
+ * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
+ defined.
+ (init_decl_processing): Initialize intmax_type_node and
+ uintmax_type_node.
+ * c-lex.c (lex_number): When pedantic and warning for integer
+ constants that are too large, in C99 mode warn for those that have
+ a type wider than long long.
+
+2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
+ FMT_FLAG_FANCY_PERCENT_OK): Define.
+ (format_char_info): Add flag "4" to comment.
+ (format_flag_spec, format_flag_pair): New structures.
+ (format_kind_info): Add additional fields to control format
+ checking.
+ (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
+ scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
+ arrays.
+ (time_char_table): Use "4" flag to handle %Ey.
+ (format_types): Add entries for new fields.
+ (get_flag_spec): New function.
+ (check_format_info): Increase size of flag_chars[] to 256.
+ Control format checking using the new fields of a format_kind_info
+ and the new tables; remove all conditionals on printf_format_type,
+ scanf_format_type or strftime_format_type. Handle all details of
+ bad combinations of flags (including width, precision and strftime
+ modifiers) through data rather than ad hoc code. Handle all
+ details of standard versions in which flags appeared through
+ data. Use the "4" flag.
+
+2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Remove the memory alternative and correct
+ the insn lengths in the templates for sign extension and zero
+ extension.
+
+2000-10-07 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Disallow sibcalls to noreturn functions.
+ * flow.c (make_edges): Revert last change.
+
+ * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
+ TREE_THIS_VOLATILE.
+ * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
+
+2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
+
+ * config/alpha/elf.h: Standardize the formatting.
+
+2000-10-06 David O'Brien <obrien@FreeBSD.org>
+
+ * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
+ #undef.
+
+2000-10-06 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): Examine
+ current_function_return_rtx instead of the DECL_RESULT.
+ (expand_function_end): Handle reloading DECL_RESULT from memory
+ into a hard register. Query promote_mode for sign of mismatched
+ modes.
+
+2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
+
+ * haifa-sched.c (schedule_insns): Fix typo in freeing
+ forward_dependency_cache.
+
+2000-10-06 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
+ `TARGET_SH2' as a condition.
+
+2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
+
+ * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
+ forward_dependency_cache): New variables.
+ (add_dependence, remove_dependence): Use anti_dependency_cache and
+ output_dependency_cache.
+ (compute_block_forward_dependences): Use forward_dependency_cache.
+ (schedule_insns): Allocate and free memory for anti/output/forward
+ dependencies caches.
+
+2000-10-06 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
+ `! TARGET_SH1'. Reindent.
+
+2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
+ Move functions from here ...
+
+ * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
+ ... to here.
+ (c_expand_builtin): New function.
+ (init_function_format_info): Don't set `check_function_format_ptr'.
+ (c_common_nodes_and_builtins): Set built_in_class type for
+ printf/__builtin_printf to BUILT_IN_FRONTEND.
+ (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
+
+ * c-common.h (build_function_call): Declare.
+
+ * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
+ to `lang_expand_expr' rather than `expand_builtin'.
+
+ * tree.c (check_function_format_ptr): Delete.
+
+ * tree.h (check_function_format_ptr): Likewise.
+
+2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
+ DW_OP_bregx when cfa->reg > 31.
+
+ * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
+ break.
+
+2000-10-05 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c (warn_missing_noreturn): Remove.
+ (c_expand_body): Don't set or check can_reach_end.
+ * c-tree.h (warn_missing_noreturn): Move ...
+ * flags.h: ... here.
+ (can_reach_end): Remove.
+ * flow.c (check_function_return_warnings): New.
+ (make_edges): No edge to exit for noreturn sibcalls.
+ * function.c (expand_function_end): Save the return value
+ clobber instruction.
+ (mark_function_status): Mark it.
+ * function.h (struct function): Add x_clobber_return_insn.
+ * jump.c (can_reach_end): Remove.
+ (calculate_can_reach_end): Remove.
+ (jump_optimize_1): Don't call it.
+ * output.h (check_function_return_warnings): Declare.
+ * toplev.c (warn_missing_noreturn): Move from c-decl.c
+ (rest_of_compilation): Call check_function_return_warnings.
+
+2000-10-05 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (NM_FOR_TARGET): New.
+ (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
+ (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
+ * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
+ shared library build on that and EXTRA_MULTILIB_PARTS.
+ * mkmap-flat.awk: New file.
+ * mkmap-symver.awk: New file.
+ * libgcc-std.ver: New file.
+ * config/libgcc-glibc.ver: New file.
+ * config/ia64/libgcc-ia64.ver: New file.
+ * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
+ (SHLIB_LINK): Add --version-script.
+ * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
+ * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
+ * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
+ (SHLIB_LINK): Add -M.
+
+2000-10-05 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (LIB2FUNCS): Add _clz.
+ * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
+ (__clz_tab): Put in its own unit, non-static.
+ * libgcc2.h: Always include longlong.h.
+
+ * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
+ a zero instead of -1.
+ (count_trailing_zeros): Likewise.
+
+2000-10-05 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
+ when second op1 is const0_rtx. Validate op0 as a register.
+ * config/alpha/alpha.md (setcc_internal): Don't allow constants
+ in the first argument of the compare.
+ (setcc_swapped_internal): Likewise.
+ (setne_internal): Likewise.
+
+2000-10-05 Geoff Keating <geoffk@cygnus.com>
+
+ * tree.c (tree_size): New function split out of copy_node.
+ (make_node): Remove obstack handling. Use tree_size.
+ (copy_node): Use tree_size.
+ * tree.h: Prototype tree_size.
+
+2000-10-05 Richard Henderson <rth@cygnus.com>
+
+ * diagnostic.c (output_format): Add missing break.
+
+2000-10-05 Jim Wilson <wilson@cygnus.com>
+
+ * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
+ SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
+ sequence insn to INSN, and delete last sequence insn.
+
+2000-10-05 Phil Edwards <pme@gcc.gnu.org>
+
+ * gcc.c (main): Include generated configargs.h header
+ and use arguments in '-v' output.
+
+Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.c: Move data on prefixes forward in file and reorganize.
+ (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
+ Always define, but make null if no value.
+ (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
+ and "md_startfile_prefix_1".
+ (main): Check whether md_exec_prefix and the others are the
+ null string rather than whether the macro is defined.
+
+Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
+
+ * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
+ from PSImode to SImode.
+
+2000-10-05 Jakub Jelinek <jakub@redhat.com>
+
+ * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
+ from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
+ * dwarf2out.c (add_const_value_attribute): Divide by 4, not
+ sizeof(long).
+
+Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
+ negation in proper type.a
+
+2000-10-04 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (enable-shared): New.
+ * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
+ (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
+ * mklibgcc.in: Use them to link shared a libgcc.
+ * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
+ * config/alpha/t-ieee (SHLIB_MULTILIB): New.
+ * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
+ * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
+
+ * configure.in (alpha-osf*): Use t-osf and x-osf.
+ * config/alpha/t-osf: New file.
+ * config/alpha/t-osf4: New file.
+ * config/alpha/x-osf: New file.
+ * config/alpha/x-alpha: Remove file.
+
+2000-10-04 Will Cohen <wcohen@redhat.com>
+
+ * c-typeck.c (process_init_element): Added warning for zero-length
+ array.
+
+ * extend.texi (Zero Length): State that static initializers for
+ zero-length arrays are not allowed.
+
+Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
+ to come last.
+
+2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/float-c4x.h: New.
+ * configure.in (c4x-*): Set float_format to c4x.
+ * configure: Regenerate.
+
+2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
+ compilation for solaris versions 2.7 and greater.
+
+2000-10-02 Marc Espie <espie@openbsd.org>
+
+ * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
+ instead of redefining from scratch.
+
+2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
+
+ * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
+
+2000-10-01 Mark Mitchell <mark@codesourcery.com>
+
+ * config/ns32k/genix.h: Remove.
+ * config/ns32k/x-genix: Likewise.
+ * config/ns32k/xm-genix.h: Likewise.
+ * config/fx80: Remove all filee in directory.
+ * config/pyr: Likewise.
+ * config/tahoe: Likewise.
+ * config/gmicro: Likewise.
+ * config/spur: Likewise.
+ * configure.in: Remove configury bits for above targets.
+ * configure: Regenerated.
+
+ * configure.in: Don't configure chill by default.
+ * configure: Regenerated.
+
+ * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
+ (lang_mark_false_label_stack): Remove.
+ * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
+ <top level> string in GC area.
+ (mark_splay_tree_node): New function.
+ (mark_splay_tree): Likewise.
+ * except.c (mark_eh_status): Only call lang_mark_false_label_stack
+ if it exists.
+ * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
+ * ggc-common.c (lang_mark_false_label_stack): Change type.
+ * ggc.h (ggc_alloc_string): Add comment.
+ (ggc_strdup): New function.
+
+Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.h (BRANCH_COST): Define as 0.
+
+ * config/pdp11/pdp11.c: #include "tree.h" added.
+
+2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
+ ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
+ with known shift count.
+ * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
+ New alternative for shift count 2 with no scratch register.
+ (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
+ "set_n" for shift counts 1 and 2.
+
+2000-09-30 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
+ the mask value from the individual SET operations.
+ (return_internal_si): Move the USE after the RETURN.
+ (return_internal_di): Likewise.
+ (return_and_restore_fpregs_si): Likewise.
+ (return_and_restore_fpregs_di): Likewise.
+ (return_eh_si): Likewise.
+ (return_eh_di): Likewise.
+ * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
+ or check, the USE.
+ (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
+ Don't generate a PARALLEL around a single operation movsi_to_cr.
+ Generate the RETURN first in any PARALLELs.
+
+ * rtlanal.c (single_set_1): Use fatal_insn to display the
+ invalid insn. Check for more cases when a USE or CLOBBER occurs
+ before a SET.
+ * Makefile.in: Update dependencies for rtlanal.o.
+
+2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * i386.c: Move include of "config.h" to before that of <setjmp.h>.
+
+2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
+ Consistently use @email for formatting email addresses.
+
+2000-09-29 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (notreg_cost): New argument outer.
+ (COST): Pass in SET to notreg_cost
+ (COST_IN): New.
+ (fold_rtx): Use COST_IN. Prefer constants when costs
+ are the same.
+
+2000-09-29 David Edelsohn <edelsohn@gnu.org>
+
+ * fixinc/inclhack.def (broken_cabs): Generalize regex.
+ * fixinc/fixincl.x: Regenerate.
+
+2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * loop.c (check_final_value): A GIV is not replaceable if used
+ before set.
+
+Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
+
+ * version.c: Bump to gcc-2.97.
+
+Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * final.c (final_scan_insn): Remove extra extract_insn call;
+ Use caching for constrain_operands.
+ (cleanup_subreg_operands): Use caching for extract_insn.
+ * recog.c (constrain_operands_cached): New.
+ * recog.h (constrain_operands_cached): Declare.
+ * i386.c (ix86_attr_length_immediate_default,
+ ix86_attr_length_address_default, ix86_agi_dependant): Cache
+ extract_insn call.
+
+ * recog.c (asm_noperands): Tweak.
+ (extract_insn): Do not call asm_noperads for non-asm instructions.
+
+Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (recog_memoized): Rename to recog_memoized_1.
+ * recog.h (recog_memoized): Rename to recog_memoized_1.
+ (recog_memoized): New macro.
+ * rtl.h (single_set): Rename to single_set_1
+ (single_set): New macro.
+ * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
+ to be last.
+
+ * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
+ Do not use match_dup of input operands at outputs.
+ Use register_operand for memory expression.
+ (rep_movsi): Put use last, canonicalize.
+ Use register_operand for memory expression.
+ (rep_movqi): Put use last.
+ Use register_operand for memory expression.
+ (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
+ of input operands at outputs. Use register_operand for memory
+ expression.
+ (rep_stossi): Put use last; canonicalize; fix match_dup in
+ the address expression
+ (rep_stosqi): Likewise.
+ (memcmp expander): Update calls.
+ (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
+ the clobbers.
+
+ * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
+ VOIDmode.
+ (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
+
+2000-09-28 David O'Brien <obrien@FreeBSD.org>
+
+ * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
+ Contains the old contents of config/i386/freebsd.h
+ * config/i386/freebsd.h: Now the ELF rather than a.out config file.
+ Contains the old contents of config/i386/freebsd-elf.h
+ * config/i386/freebsd-elf.h: Retire this file -- contents moved to
+ config/i386/freebsd.h.
+ * configure.in: Adjust for above changes.
+ * po/POTFILES.in: Likewise.
+ * po/en_GB.po: Likewise.
+ * po/gcc.pot: Likewise.
+ * configure: Rebuilt.
+
+2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * doloop.c (doloop_modify): Prevent delete_insn() from
+ deleting too much. Prefer loop->top over loop->start as
+ target for the new JUMP insn.
+ (doloop_valid_p): Ignore loop with exit_count != 0.
+
+2000-09-28 Philipp Thomas <pthomas@suse.de>
+
+ * invoke.texi (i386 Options): Add athlon to table of possible
+ choices for -mcpu=.
+
+2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (output_clear_message_text): New function.
+ (output_message_text): New macro.
+
+ * diagnostic.c (clear_text_info): Rename to
+ output_clear_message_text.
+ (output_clear): Adjust.
+ (output_finish): Rename to output_finalize_message. Tweek.
+ (output_to_stream): Adjust.
+
+2000-09-28 Neil Booth <neilb@earthling.net>
+
+ * cpperror.c (_cpp_begin_message): Do the test for suppression
+ of warnings and pedantic warnings before the "is a warning an
+ error" tests.
+ * cppinit.c (cpp_handle_option): Remove surplus \n.
+ * cpplex.c (ON_REST_ARG): Delete.
+ (skip_block_comment): Initialize prevc.
+ (parse_args): Improve error messages.
+ (maybe_paste_with_next): Use CONTEXT_VARARGS rather
+ than ON_REST_ARG.
+ * cpplib.c (cpp_push_buffer): Fix grammar in message.
+ * cppmain.c (main): Set callbacks for #ident and #pragma
+ only if no_output option is false.
+ (do_pragma_implementation): Only call the #pragma handler
+ if it is set in the cpp_reader structure.
+
+Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
+
+ * integrate.c (copy_insn_list): if an ignored return value
+ is being clobbered, skip cloning that into the inline copy.
+
+2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
+ use @uref for formatting URLs.
+
+2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
+ name and prefix.
+
+Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
+
+ * gcc.c (cpp_options): Add spec for -ftabstop=.
+ (invoke_as): New spec that handles invoking as.
+ Update specs to handle -save-temps and -traditional.
+ * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
+ Use invoke_as.
+ * cp/lang-specs.h, objc/lang-specs.h: Update to use
+ invoke_as, and handle -save-temps and -traditional (if
+ appropriate).
+
+2000-09-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
+ op0 is a SUBREG.
+ (function_arg_slotno): Accept TImode/CTImode.
+ * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
+ to UNITS_PER_WORD.
+
+2000-09-26 Michael Hayes <mhayes@cygnus.com>
+
+ * flow.c (flow_loop_pre_header_scan): Punt if loop enters
+ from entry block.
+
+2000-09-25 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
+ (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
+ (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
+ (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
+
+Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (parse_args): Don't set VOID_REST flag.
+ (CONTEXT_VARARGS): New flag.
+ (maybe_paste_with_next): Set context earlier in loop. Use
+ it. Do varargs test with CONTEXT_VARARGS flag.
+ (push_arg_context): Set CONTEXT_VARARGS flag if we're
+ pushing an argument context for a varargs argument.
+ * cpplib.h (VOID_REST): Delete.
+ * gcc.dg/cpp/vararg1.c: Add test case.
+
+2000-09-25 Branko Cibej <branko.cibej@hermes.si>
+
+ * flags.h: Declare warning flag warn_system_headers.
+ * toplev.c: Define it.
+ (W_options): Add option -Wsystem-headers.
+ * diagnostic.c (count_error): Test warn_system_headers.
+ * invoke.texi: Add description for -Wsystem-headers.
+ * cpplib.h (cpp_options): New member warn_system_headers.
+ * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
+ CPP_IN_SYSTEM_HEADER.
+ * cpplib.c (do_import, do_pragma_once): Likewise.
+ * cpperror.c (_cpp_begin_message): Test warn_system_headers
+ and CPP_IN_SYSTEM_HEADER.
+ * cppinit.c (handle_option): Recognize -Wsystem_headers.
+ (print_help): Describe -Wsystem_headers.
+ * cpplex.c (lex_line): Reorganize condition so that warnings
+ about C++ comments in system headers can be enabled. Remove
+ label do_line_comment.
+
+Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (save_comment): Only store the initial '/'
+ now.
+ (lex_token): Combine handling of the two comment types.
+ Pass everything but the initial '/' to save_comment.
+
+Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
+
+ * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
+ _cpp_can_paste): New library-internal prototypes.
+ * cpplex.c (dump_param_spelling, output_line_command,
+ output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
+ cpp_printf, cpp_output_list): Move to cppoutput.c.
+ (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
+ * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
+ cppoutput.c.
+ * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
+ dump_param_spelling, output_line_command, cpp_scan_buffer,
+ cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
+ from elsewhere.
+ * Makefile.in: Add cppoutput.c.
+ * po/POTFILES.in: Add cppoutput.c.
+
+2000-09-25 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
+ * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
+ split until after reload.
+ (rotlsi3, rotldi3): New.
+
+2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (output_last_position): Define.
+ (set_real_maximum_length): Tweek.
+ * diagnostic.h (output_last_position): Declare.
+
+2000-09-25 Kazu Hirata <kazu@hxi.com>
+
+ * config/i386/i386.c: Fix formatting.
+
+2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
+
+ * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
+ UNITS_PER_WORD is small.
+
+2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (format_char_info): Add flags2; update comments.
+ (print_char_table, scan_char_table, time_char_table): Split some
+ flags out into flags2.
+ (check_format_info): Use flags2 for those flags, for identifying
+ the initial character of a scanf scanset, and for identifying
+ printf formats where the '0' flag is ignored with precision.
+
+2000-09-25 Hans-Peter Nilsson <hp@axis.com>
+
+ Changes below marked "here" add TABs on either or both sides,
+ covering start of line, up to any operand for all noted .*ASM.*_OP
+ definitions. All callers changed.
+ * tm.texi: Make documented *_ASM.*_OP:s include spacing
+ (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
+ ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
+ ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
+ Fix typos in description for LONG_LONG_TYPE_SIZE and
+ FINI_SECTION_ASM_OP.
+ * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
+ why these defaults don't have leading spacing.
+ * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
+ * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
+ * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
+ PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
+ * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
+ * varasm.c (ASM_STABS_OP): Here.
+ * xcoffout.h (ASM_STABS_OP): Here.
+ * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
+ SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
+ INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
+ STRING_ASM_OP): Here.
+ * config/freebsd.h (IDENT_ASM_OP): Here.
+ * config/linux-aout.h (SET_ASM_OP): Here.
+ * config/linux.h (SET_ASM_OP): Here.
+ * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
+ INT_ASM_OP): Here.
+ * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
+ * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
+ * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
+ * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
+ INT_ASM_OP): Here.
+ * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
+ SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
+ INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
+ FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
+ * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
+ * config/a29k/udi.h (INT_ASM_OP): Here.
+ * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
+ SET_ASM_OP): Here.
+ * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
+ READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
+ ASM_STABD_OP): Here.
+ * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
+ COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
+ CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
+ INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
+ SIZE_ASM_OP, STRING_ASM_OP): Here.
+ * config/alpha/vms.h (LINK_SECTION_ASM_OP,
+ READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
+ * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
+ (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
+ * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
+ Here.
+ * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
+ * config/arm/coff.h (INT_ASM_OP): Here.
+ * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
+ * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
+ * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
+ INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
+ * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
+ * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
+ STRING_ASM_OP): Here. Update documentation copy in comments.
+ * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
+ * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP): Here.
+ * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
+ Here.
+ * config/convex/convex.h (TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
+ * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP): Here.
+ * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP): Here.
+ * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
+ * config/h8300/h8300.h (ASM_WORD_OP): Here.
+ * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP): Here.
+ * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
+ * config/i386/bsd.h (ASM_BYTE_OP): Here.
+ * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
+ * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
+ * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
+ Here.
+ * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
+ * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
+ Here.
+ * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
+ * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
+ SET_ASM_OP): Here.
+ * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
+ * config/i386/netbsd.h (INT_ASM_OP): Here.
+ * config/i386/openbsd.h (INT_ASM_OP): Here.
+ * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
+ IDENT_ASM_OP): Here.
+ * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
+ ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
+ LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
+ SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
+ * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
+ SHARED_BSS_SECTION_ASM_OP): Here.
+ * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
+ * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP): Here.
+ * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ CONST_SECTION_ASM_OP): Here.
+ * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
+ * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP): Here.
+ * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
+ * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
+ * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
+ BSS_ASM_OP): Here, but use trailing spaces.
+ * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP): Here.
+ * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
+ Here.
+ * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
+ * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
+ TDESC_SECTION_ASM_OP): Here.
+ * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
+ * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Here.
+ * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
+ COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
+ FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
+ SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
+ * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
+ * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
+ * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
+ SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
+ SET_ASM_OP): Here.
+ * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
+ * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
+ * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
+ * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
+ * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
+ * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
+ * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ GLOBAL_ASM_OP): Here.
+ * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
+ BSS_SECTION_ASM_OP): Here.
+ * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
+ * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
+ SKIP_ASM_OP): Here.
+ * config/m68k/newsgas.h (SET_ASM_OP): Here.
+ * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
+ FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
+ * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
+ SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
+ SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
+ but use trailing spaces.
+ * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
+ FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
+ Here.
+ * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
+ * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
+ GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
+ BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
+ CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
+ SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
+ VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
+ ASM_BYTE_OP): Here.
+ * config/m88k/openbsd.h (SET_ASM_OP): Here.
+ * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
+ * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP): Here.
+ * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
+ * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
+ BSS_SECTION_ASM_OP): Here.
+ * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
+ * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
+ * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
+ POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
+ CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
+ * config/mips/mips.c (ABICALLS_ASM_OP): Here.
+ * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
+ Here.
+ * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
+ Here.
+ * config/mips/osfrose.h (SET_ASM_OP): Here.
+ * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
+ * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
+ * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
+ * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
+ * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
+ * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
+ * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
+ * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
+ * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/rs6000/rs6000.h (SET_ASM_OP): Here.
+ * config/rs6000/sol2.h (ASM_STABN_OP): Here.
+ * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
+ Here.
+ * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
+ * config/sparc/linux.h (COMMON_ASM_OP): Here.
+ * config/sparc/linux64.h (COMMON_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Here.
+ * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
+ * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
+ * config/sparc/pbd.h (ASM_INT_OP): Here.
+ * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
+ * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
+ * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
+ UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
+ * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
+ TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
+ CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
+ EH_FRAME_SECTION_ASM_OP): Here.
+ * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
+ * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
+ TCOMMON_ASM_OP): Here.
+ * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
+ Here.
+ * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ ASM_BYTE_OP): Here.
+
+2000-09-25 Richard Henderson <rth@cygnus.com>
+
+ * expmed.c (store_bit_field): Adjust last change to not consider
+ any word-sized field naturally aligned.
+
+2000-09-24 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
+ TFmode unordered compares properly. Revalidate integer compare
+ operands.
+ (alpha_emit_setcc): New.
+ (alpha_emit_conditional_move): Revalidate integer compare operands.
+ * config/alpha/alpha-protos.h: Update.
+ * config/alpha/alpha.md (cmpdi): Allow general operands.
+ (sne): Use alpha_emit_setcc.
+ (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
+ (sunordered, sordered): New.
+
+2000-09-24 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h: Update.
+ * config/ia64/ia64.c (call_multiple_values_operation): Remove.
+ (ia64_expand_call): New.
+ (ia64_expand_prologue): Emit an alloc if we need extra input
+ registers.
+ (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
+ instruction if true.
+ (struct reg_flags): Add is_sibcall.
+ (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
+ (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
+ for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
+ * config/ia64/ia64.h (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md (call): Use ia64_expand_call.
+ (call_value): Likewise.
+ (sibcall, sibcall_value): New.
+ (call patterns): Remove extra expanders; tidy.
+ (sibcall_epilogue): New.
+ (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
+
+2000-09-24 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
+
+ * sibcall.c (skip_pic_restore): New.
+ (identify_call_return_value): Use it.
+
+2000-09-24 Mark Mitchell <mark@codesourcery.com>
+
+ * c-tree.texi: Moved here from cp/ir.texi. Documented nested
+ functions. Generalize to handle both C and C++.
+ * Makefile.in (c-tree.info): New target.
+ (info): Add c-tree.info.
+
+Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_field): If BITSIZE is negative, use size of type.
+ (expand_expr, case COMPONENT_EXPR): Likewise.
+
+Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c: Update TODO comment.
+ * cpplib.c (do_error, do_warning): Merge common code of
+ do_error and do_warning into do_diagnostic. Use it.
+ (do_diagnostic): New function.
+ * cpplib.h: Fix comment typo.
+
+2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_info): Warn for a wide character string
+ used as a non-wide format argument.
+
+2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * builtins.def (BUILT_IN_LLABS): Add.
+ * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
+ * c-common.c (c_common_nodes_builtins): Create builtin functions
+ __builtin_llabs, and plain llabs unless no_nonansi_builtins
+ outside of C99 mode.
+ (expand_tree_builtin): Handle BUILT_IN_LLABS.
+
+Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
+ CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
+ * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
+ _cpp_free_toklist): No need to worry about extra dummy token
+ at the start of token lists any more.
+ (trigraph_ok): Only warn outside comments.
+ (skip_block_comment): Set and clear lexing_comment.
+ (skip_line_comment): Take a cpp_reader not cpp_buffer.
+ Set and clear lexing_comment.
+ (parse_number): Handle leading '.' indicated by pfile->seen_dot.
+ (check_long_token): Delete.
+ (lex_percent, lex_dot): New subroutines of lex_token to
+ handle lexing of '.' and '%' without lookback.
+ (lex_token): Use lex_dot and lex_percent.
+ (lex_line): Don't check for LIST_OFFSET.
+ (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
+ * cpplib.c (_cpp_parse_assertion): Similarly.
+ (cpp_push_buffer): Initialize extra_char.
+ * cpplib.h (LIST_OFFSET): Delete.
+ (struct cpp_buffer): New member extra_char.
+ (struct lexer_state): New members lexing_comment and seen_dot.
+
+2000-09-23 Jason Merrill <jason@redhat.com>
+
+ * config/rs6000/x-aix41 (CLIB): Define here.
+ * config/rs6000/t-aix43: Not here.
+ * config/rs6000/t-aix41: Or here. Remove.
+ * configure.in: Don't use it.
+
+2000-09-22 Jason Merrill <jason@redhat.com>
+
+ * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
+ * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
+ * config.in: Regenerate.
+
+ * configure.in: Fix checks for assembler features when using a
+ one-tree assembler that has not yet been built.
+ Fix --disable-threads.
+
+2000-09-19 Geoff Keating <geoffk@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Allow # in constraints.
+
+2000-09-22 Jason Merrill <jason@redhat.com>
+
+ * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
+
+ * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
+ function-local names.
+
+2000-09-22 Brad Lucier <lucier@math.purdue.edu>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.c (warn_disabled_optimization): Declare new warning flag.
+ * flags.h (warn_disabled_optimization): Add it here.
+ * gcse.c (gcse_main): Add warning when disabled.
+ * invoke.texi: Document -Wdisabled-optimization.
+
+2000-09-21 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
+
+ * dwarf2out.c (tree_add_const_value_attribute): New fn.
+ (gen_variable_die): Call it for non-definitions.
+
+ * dwarf2out.c (die_struct): Add die_mark field.
+ (mark_dies, unmark_dies): New fns.
+ (clear_die_sizes): Remove.
+ (print_die): Check die_symbol rather than die_offset.
+ (build_abbrev_table, output_pubnames, output_aranges): Check
+ die_mark rather than die_offset.
+ (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
+ Call mark_dies.
+
+Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
+
+ * cppfiles.c (lookup_include_file): Rename to open_file.
+ Always create a splay tree value, even on syscall failures.
+ Negative entries indicated by fd == -2.
+ Re-open files closed in the meantime.
+ (_cpp_fake_include): Create a negative splay tree entry.
+ (find_include_file, cpp_read_file): Update for function name
+ change.
+ * gcc.gd/cpp/mi4.c: Testcase.
+
+2000-09-21 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
+ ARM and THUMB modes.
+
+ * config/mcore/mcore.c: Fix compile time warnings.
+ * config/mcore/mcore-protos.h: Fix compile time warnings.
+
+2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * configure.in: Correct test of gcc_cv_glibc.
+ * configure: Rebuilt.
+ * config.in: Rebuilt.
+
+2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_fputs): Also expand when length!=1.
+ (expand_builtin): Handle BUILT_IN_FWRITE.
+
+ * builtins.def (BUILT_IN_FWRITE): New entry.
+
+ * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
+
+Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.c (modify_target): New variable and struct.
+ (process_command): Handle MODIFY_TARGET_NAME.
+ * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
+ * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
+
+ * c-decl.c (finish_decl): Add else's to avoid referencing
+ TYPE_DOMAIN of an ERROR_MARK.
+
+Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (adjust_insn_length): Adjust lengths of
+ `reload_in*' insns.
+
+2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.md (neghi2): Add alternative for input and output
+ operands in different registers, as in negsi2.
+ (*negsi2): Remove '*' from the name. Use "movw" if available.
+
+2000-09-19 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/crtbegin.asm (__dso_handle): Delete use of
+ HAVE_GAS_HIDDEN macro.
+
+Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (lex_line): Drop the EOF token for unknown
+ directives in assembler.
+
+2000-09-19 David Edelsohn <edelsohn@gnu.org>
+
+ * configure.in: Allow enable_threads_flag value of "aix". Define
+ thread_file as "aix" for AIX 4.3 and above.
+ * configure: Regenerated.
+
+ * gthr-aix.h: New file.
+
+ * rs6000/t-aix43: Replace soft-float multilib with pthread.
+ Remove 403 processor multilib match. Fix rios2 processor multilib
+ match.
+
+ * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
+ to return to appropriate csect.
+
+2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
+ functions.
+ (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
+ (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
+ BUILT_IN_PRINTF.
+
+ * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
+ New entries.
+
+ * c-common.c (init_function_format_info): Handle __builtin_printf.
+ Set `check_function_format_ptr'.
+ (c_common_nodes_and_builtins): Set `puts_ftype' and
+ `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
+ __builtin_printf and printf.
+
+ * tree.c, tree.h (check_function_format_ptr): Declare.
+
+Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
+
+ * cppfiles.c (read_include_file): Take no special action for
+ zero-length files.
+
+2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * final.c (insn_current_reference_address): Use INSN_SHUID of seq
+ rather than that of branch.
+ (shorten_branches): Don't increment insn_current_address twice.
+
+ Undo most of the Wed Jan 27 23:39:53 1999 patch:
+ * loop.h (struct induction): Delete members derived, ix and last_use.
+ (struct loop_ivs): Delete members first_increment_giv and
+ last_increment_giv.
+ * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
+ recombine_givs): Delete functions.
+ (find_and_verify_loops): Don't initialize cont_dominator.
+ (strength_reduce): Lose code to try to find bivs that can be
+ expressed as givs of another biv, and to convert biv increments
+ into givs.
+ Lose loop_scan_start variable, always use loop->scan_start.
+ Don't call recombine_givs. Don't handle derived givs.
+ (record_giv): Don't initialize derived and last_use fields.
+ (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
+ givs.
+ * unroll.c (derived_regs): Delete static variable.
+ (unroll_loop): Don't initialize it.
+ (copy_loop_body): Lose code to handle derived givs.
+ (find_splittable_givs): Don't check for givs made from biv
+ increments.
+ Don't set derived_regs.
+
+ Fix misapplied earlier patch:
+ * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
+ to fpul.
+ (floatsisf2): Generate floatsisf_ie by default.
+ (floatsisf_i4): Conditional on TARGET_SH4.
+
+ (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
+ predicate for the expanders.
+
+2000-09-19 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
+ in addition to pentium and pentiumpro symbols.
+ (CPP_CPU_DEFAULT_SPEC): Likewise.
+
+ * c-typeck.c (c_expand_asm_operands): Restore the output tree
+ after expanding.
+
+ * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
+ if the tree has side effects.
+ (warn_if_unused_value): Do not warn about void constructs.
+
+ * c-decl.c (poplevel): Invoke warn_about_unused_variables.
+
+ * unroll.c (copy_loop_body): Update LABEL_NUSES before
+ calling invert_jump.
+
+2000-09-18 Geoff Keating <geoffk@cygnus.com>
+
+ * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
+ into anything.
+
+2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (c-common.o): Depend on diagnostic.h.
+
+ * c-common.c: Include diagnostic.h.
+ (tfaff): Delete.
+ (status_warning): New function.
+ (check_format_info, maybe_read_dollar_number, check_format_types,
+ finish_dollar_format_checking, check_function_format): Accept a
+ `status' parameter. All callers changed.
+
+ * c-common.h (check_function_format): Accept a `status' parameter.
+
+ * c-typeck.c: Update call to `check_function_format'.
+
+2000-09-18 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c (c_expand_body): Call mark_varargs before
+ expand_function_start.
+
+2000-09-18 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
+ * config/rs6000/eabi-ci.asm: Likewise.
+
+2000-09-18 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
+ for BImode.
+
+2000-09-18 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
+ before passing it to fold_rtx_mult_add.
+
+ * unroll.c (final_giv_value): Pass increment through
+ extend_value_for_giv before passing it to emit_iv_add_mult.
+
+ * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
+ paradoxical subreg, then directly substitute the replacement and
+ return.
+
+Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
+
+ * cpp.texi: Update documentation, including some clarifications,
+ the treatment of various newline combinations, and space between
+ backslash and newline.
+
+Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
+
+ * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
+ Replace ASM_OUTPUT_LABELREF with assemble_name.
+
+Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
+
+ * sh.c (addsubcosts): CONST is not cheap.
+ (find_barrier): For Sh1, take alignment after jumps into account.
+
+2000-09-15 Andrew Haley <aph@redhat.com>
+
+ * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
+ remove all SETs of SUBREGs of hard registers.
+ * function.c (purge_hard_subreg_sets): New function.
+ (purge_single_hard_subreg_set): New function.
+ * rtl.h: (purge_hard_subreg_sets): New function.
+
+2000-09-18 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h: Update.
+ * config/ia64/ia64.c (signed_inequality_operator): New.
+ (ia64_expand_compare): New.
+ (ia64_register_move_cost): Handle PR_REGS moves.
+ (ia64_secondary_reload_class): Require a GR when moving to a PR.
+ (struct reg_write_state): Add written_by_and/or.
+ (struct reg_flags): Add is_and/or.
+ (rws_update): Set them.
+ (rws_access_regno): Test them to allow parallel comparisons.
+ (rtx_needs_barrier): Recognize parallel comparisons.
+ (emit_insn_group_barriers): Set prev_insn after a call stop bit.
+ Call recog_memoized; ignore pred_rel_mutex.
+ (emit_predicate_relation_info): Don't call find_basic_blocks here.
+ (ia64_reorg): Do it here instead.
+ * config/ia64/ia64.h: s/CCmode/BImode/g
+ (MODES_TIEABLE_P): Don't tie BImode.
+ (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
+ (CONST_COSTS): Pick sensible values for CONST_INT based on context.
+ (RTX_COSTS): Make multiply 4 insns.
+ (MEMORY_MOVE_COST): New.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md: s/CCmode/BImode/g
+ (movcci, movbi): New.
+ (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
+ (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
+ (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
+ (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
+ (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
+ (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
+ (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
+ (mulsi, muldi): Use xmpy not xma.
+ (cmpbi): New.
+ (movcc, movcc_internal): Remove.
+ (branch expanders): Use ia64_expand_compare.
+ (setcc expanders): Likewise.
+ (cmov insns): Use move_operand and ia64_move_ok.
+ (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
+ scheduler from moving it past a use.
+ * config/ia64/build.hacks: Remove.
+
+Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h (HASHSTEP): Take character rather than pointer
+ to character.
+ (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
+
+ * cpphash.c (cpp_loookup): Update for new HASHSTEP.
+
+ * cpplex.c (auto_expand_name_space, trigraph_replace,
+ backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
+ IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
+ BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
+ KNOWN_DIRECTIVE): Delete.
+
+ (handle_newline, check_long_token, skip_escaped_newlines,
+ unterminated): New functions.
+ (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
+
+ (parse_identifier): Was parse_name, new implementation.
+ (skip_line_comment, skip_block_comment, skip_whitespace,
+ parse_number, parse_string, trigraph_ok, save_comment,
+ adjust_column, _cpp_get_line): New implementations.
+
+ (lex_token): New function. Lexes a token at a time, looking
+ forwards. Contains most of the guts of the old lex_line.
+ (lex_line): New implementation, using lex_token to obtain
+ individual tokens.
+ (cpp_scan_buffer): Use the token's line, not the list's line.
+
+ * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
+ New implementations.
+ (do_assert): Don't bother setting the answer's list's line.
+ (cpp_push_buffer): Initialize new pfile and read_ahead members
+ of struct cpp_buffer.
+
+ * cpplib.h (cppchar_t): New typedef.
+ (struct cpp_buffer): read_ahead, pfile and col_adjust are
+ new members.
+ (struct lexer_state): New structure that determines the state
+ and behavior of the lexer.
+ (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
+ (struct cpp_reader): New member "state". Rename
+ multiline_string_line and multiline_string_column. Delete
+ col_adjust, in_lex_line members.
+ (CPP_BUF_COLUMN): Update.
+
+2000-09-18 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (simplify_comparison): Shift a NOT out of a single
+ bit test.
+
+ * combine.c (if_then_else_cond): Canonicalize BImode true to
+ STORE_FLAG_VALUE.
+ * explow.c (trunc_int_for_mode): Likewise.
+
+ * combine.c (combine_simplify_rtx): Use gen_unary to distribute
+ the NOT for De Morgan's rule.
+ * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
+ of a comparison to the reverse comparison.
+
+ * combine.c (try_combine): Allow split to create a single insn.
+
+ * machmode.def: Add BImode. Add a column for bitsize.
+ * machmode.h (DEF_MACHMODE): Adjust for extra column.
+ (GET_MODE_BITSIZE): Use it.
+ * rtl.c (DEF_MACHMODE): Adjust for extra column.
+ (mode_bitsize): New.
+ (mode_mask_array): Use bitsize.
+ * combine.c (combine_simplify_rtx): Require inner and outer
+ modes to match on nonzero_bits optimizations.
+
+2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
+ its entry in spill_reg_store.
+ * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
+ * sh.c (reg_no_subreg_operand): New function.
+ * sh-protos.h (reg_no_subreg_operand): Declare it.
+ * sh.h (PREDICATE_CODES): Add it.
+ * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
+ input operand that needs to be in fpul.
+ (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
+ * sh.c (find_barrier): Take into account that machine_dependent_reorg
+ might add new insns.
+
+2000-09-18 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
+ MAYBE_DEAD.
+ (sh_expand_epilogue): Take the PIC register into account when
+ computing the frame size.
+
+ * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
+ * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
+ LABEL_REFs with a PIC-safe unspec.
+
+2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_info): Properly save the argument
+ number and parameter for $ operand number formats in case width
+ and precision arguments are also used. Allow printf width and
+ precision arguments to have operand numbers even if none was
+ specified for the main format, since this is OK for %*.*m. Only
+ object to missing $ operand number if the format used requires an
+ argument.
+
+2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (format_char_info): Add 'W' flag to comment.
+ (print_char_table, scan_char_table): Use it.
+ (check_format_info): Use the 'W' flag to determine whether a
+ format argument is written into.
+
+2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_types): Reorganize and clean up,
+ checking earlier for ERROR_MARKs and making cur_type into its
+ TYPE_MAIN_VARIANT where convenient.
+
+2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
+
+2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
+
+ * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
+ * i386.c (struct builtin_description): New.
+ (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
+ (mmx_reg_operand): Declare MODE arg as unused.
+ (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
+ ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
+ ix86_expand_binop_builtin, ix86_expand_store_builtin,
+ ix86_init_builtins, ix86_expand_builtin): New functions.
+ * i386.h (ix86_builtins): New enumeration.
+ (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
+ * i386.md (attr length_immediate): 0 for mmx/sse types.
+ (attr prefix_0f): 1 for mmx/sse types.
+ (setcc_2): Remove "*" so we get gen_setcc_2.
+ (emms): Account for changed register numbering. Set "memory" attr
+ to unknown.
+ (sfence): Set "memory" attr to unknown.
+
+2000-09-18 Andreas Jaeger <aj@suse.de>
+
+ * configure.in: Define _GNU_SOURCE only when using the GNU C
+ Library.
+ * configure: Regenerated.
+ * config.in: Regenerated.
+
+2000-09-17 Mark Mitchell <mark@codesourcery.com>
+
+ * cppinit.c (cpp_init): Don't use ANSI prototypes.
+ * flow.c (flow_dump_loop): Likewise.
+ (flow_loops_dump): Likewise.
+
+ * c-typeck.c (c_start_case): Fix typo.
+
+2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): Don't give a warning about defaulting
+ to int for plain complex which defaults to complex double. Do
+ warn about defaulting to complex double if pedantic. Warn about
+ complex integer types if pedantic. Warn about complex types if
+ pedantic and not in C99 mode.
+ * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
+ for complex conjugation.
+
+2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * contrib.texi: Update my entry.
+
+Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.md (mcu_enhanced): New attribute.
+ (mcu_mega): Likewise.
+ (extendhisi2): Use mcu_enhanced.
+ (zero_extendhisi2): Likewise.
+ (call_insn): Use mcu_enhanced and mcu_mega.
+ (call_value_insn): Likewise.
+ (*sbrx_branch): Use mcu_mega.
+ (*sbrx_and_branchsi): Likewise.
+ (*sbrx_and_branchhi): Likewise.
+ (*tablejump_lib): Likewise.
+
+Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (true_dependence): Allow non-unchanging read to conflict
+ with unchanging write.
+
+ * expr.c (store_constructor_field): Accept ALIAS_SET arg.
+ (store_constructor): Pass alias_set to it.
+
+ * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
+ TYPE_MAIN_VARIANT of ERROR_MARK.
+ * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
+
+ * simplify-rtx.c (simplify_unary_operation): Add cases
+ FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
+
+2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * expr.h (emit_library_call, emit_library_call_value): Delete
+ declarations.
+ * rtl.h (enum libcall_type): New.
+ (emit_library_call, emit_library_call_value): Change fn_type arg to
+ be of type enum libcall_type.
+ * calls.c: Likewise for the function definitions. Several callers
+ throughout changed to use the new enumeration appropriately.
+ (emit_library_call_value_1): Likewise. Put back code to make libcall
+ blocks of equal form, but only use it for the two new higher
+ enumeration values.
+
+2000-09-16 Mark Mitchell <mark@codesourcery.com>
+
+ Convert the C front-end to use function-at-a-time mode.
+ * c-common.h: Include splay-tree.h.
+ (C_DECLARED_LABEL_FLAG): New macro.
+ (struct language_function): Add x_scope_stmt_stack and
+ x_function_name_declared_p.
+ (RECHAIN_STMTS): Move definition.
+ (lang_statement_code_p): Likewise.
+ (lang_expand_stmt): Likewise.
+ (lang_expand_decl_stmt): New variable.
+ (lang_expand_function_end): Likewise.
+ (current_scope_stmt_stack): New function.
+ (add_decl_stmt): Likewise.
+ (add_scope_stmt): Likewise.
+ (mark_stmt_tree): Likewise.
+ (struct c_lang_decl): New structure.
+ (DECL_SAVED_TREE): Define.
+ (c_mark_lang_decl): New function.
+ (c_expand_start_cond): Change prototype.
+ (c_finish_then): New function.
+ (c_finish_else): Likewise.
+ (current_function_name_declared): Remove.
+ (set_current_function_name_declared): Likewise.
+ (mark_c_language_function): Declare.
+ (case_compare): Likewise.
+ (c_add_case_label): Likewise.
+ (c_expand_expr): Likewise.
+ (c_safe_from_p): Likewise.
+ * c-common.c (lang_expand_function_end): New variable.
+ (struct if_elt): Add if_stmt.
+ (c_expand_start_cond): Add the if-statement to the statement-tree,
+ rather than generating RTL.
+ (c_finish_then): New function.
+ (c_expand_start_else): Don't generate RTL.
+ (c_finish_else): New function.
+ (c_expand_expr_stmt): Don't generate RTL.
+ (statement_code_p): Add SCOPE_STMT.
+ (case_compare): New function.
+ (c_add_case_label): Likewise.
+ (mark_stmt_tree): Likewise.
+ (c_mark_lang_decl): Likewise.
+ (mark_c_language_function): Likewise.
+ (c_expand_expr): Likewise.
+ (c_safe_from_p): Likewise.
+ * c-decl.c (c_stmt_tree): New variable
+ (c_scope_stmt_stack): Likewise.
+ (c_function_name_declared_p): Likewise.
+ (lang_expand_expr_stmt): Remove.
+ (poplevel): Don't call output_inline_function for nested
+ functions.
+ (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
+ `extern' function.
+ (redeclaration_error_message): Change means of computing whether
+ or not a function is nested.
+ (lookup_label): Don't call label_rtx.
+ (init_decl_processing): Add more GC roots.
+ (start_decl): Add DECL_STMTs to the statement-tree, rather than
+ calling rest_of_decl_compilation.
+ (finish_decl): Don't call expand_decl.
+ (store_parm_decls): Begin the statement-tree, but don't generate
+ RTL.
+ (finish_function): Tie off the statement-tree. Call c_expand_body
+ if appropriate.
+ (c_expand_body): New function.
+ (push_c_function_context): Save more information.
+ (pop_c_function_contxt): Likewise.
+ (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
+ (lang_mark_tree): Mark it.
+ (current_stmt_tree): Adjust.
+ (current_scope_stmt_stack): New function.
+ (do_case): Remove.
+ (set_current_name_declared): Likewise.
+ (c_begin_compound_stmt): Define.
+ (c_expand_decl_stmt): Likewise.
+ * c-lang.c: Include rtl.h and expr.h.
+ (lang_init): Set more language-specific hooks.
+ * c-lex.c: Include expr.h.
+ * c-parse.in: Changes throughout to add statements to the
+ statement-tree, rather than generating RTL after every statement.
+ * c-semantics.c (lang_expand_decl_stmt): Define.
+ (add_decl_stmt): New function.
+ (add_scope_stmt): Likewise.
+ (finish_stmt_tree): Tweak.
+ (genrtl_expr_stmt): Likewise.
+ (genrtl_decl_stmt): Handle local labels, and call
+ lang_expand_decl_stmt if required.
+ (genrtl_for_stmt): Fix line-number handling.
+ (genrtl_case_label): Handle cleanups.
+ (genrtl_asm_stmt): Don't call combine_strings.
+ (genrtl_compound_stmt): Simplify.
+ (expand_stmt): Handle SCOPE_STMTs.
+ * c-tree.h (struct lang_decl): New structure.
+ (C_DECLARED_LABEL_FLAG): Remove.
+ (c_begin_compound_stmt): Declare.
+ (c_expand_decl_stmt): Likewise.
+ (c_expand_start_case): Rename to c_start_case.
+ (c_finish_case): New function.
+ * c-typeck.c (start_init): Tweak setting of
+ constructor_incremental.
+ (c_expand_asm_operands): Tweak error-handling. Add to the
+ statement-tree.
+ (c_expand_return): Add to the statement-tree.
+ (c_expand_start_case): Rename to ...
+ (c_start_case): ... this.
+ (struct c_switch): New type.
+ (switch_stack): New variable.
+ (do_case): Simplify.
+ (c_finish_case): New function.
+ * dependence.c: Include expr.h.
+ (enum dependence_type): Change spelling of enumerals.
+ (check_node_dependence): Adjust.
+ * expr.h (lang_safe_from_p): Declare.
+ (safe_from_p): Likewise.
+ * expr.c (lang_safe_from_p): New variable.
+ (safe_from_p): Give it external linkage. Use lang_safe_from_p.
+ * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
+ * toplev.c (rest_of_decl_compilation): Robustify.
+ * tree.c (contains_placeholder_p): Likewise.
+ * Makefile.in: Update dependencies.
+ * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
+ * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
+ (objc_expand_function_end): New function.
+ (finish_method_def): Use it.
+ (init_objc): Initialize more language-specific hooks.
+ * objc/Make-lang.in: Update dependencies.
+
+2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
+
+ * configure.in: Define macros that affect features before
+ testing for features. Don't define _XOPEN_SOURCE.
+ * configure: Regenerated.
+ * config.in: Regenerated.
+
+Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
+
+ * rtlanal.c (rtx_varies_p): Volatile asms vary.
+ (rtx_unstable_p): Restructure code. Volatile asms
+ are unstable.
+
+Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.h (no_debugging_symbols): New field.
+ * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
+ Initialize no_debugging_symbols.
+ (output_inline_function): Save and restore write_symbols and set from
+ no_debugging_symbols.
+ * toplev.c (rest_of_compilation): Call save_for_inline.
+ * tree.h: Update comment.
+
+ * stor-layout.c (place_field): Don't do anything if field or
+ its type are ERROR_MARK.
+
+Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
+
+ * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
+ (read_include_file): Ensure inc->mmaped is initialized.
+
+2000-09-16 Richard Henderson <rth@cygnus.com>
+
+ * cppiles.c (purge_cache): Use PTR not caddr_t.
+
+2000-09-16 Hans-Peter Nilsson <hp@axis.com>
+
+ * gcc.c: In description for %{<S}, say the option removed is -S.
+ * invoke.texi (Spec Files): Ditto.
+
+2000-09-16 Andreas Jaeger <aj@suse.de>
+
+ * configure.in: Always define _GNU_SOURCE to make interfaces
+ visible that were hidden by only defining _GNU_SOURCE.
+ * configure: Regenerated.
+
+Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (push_macro_context): Set an argument's level after
+ calling parse_args. We could loop infinitely otherwise.
+
+2000-09-15 Tom Tromey <tromey@cygnus.com>
+
+ * configure, config.in: Rebuilt.
+ * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
+
+2000-09-15 Greg McGary <greg@mcgary.org>
+
+ * cppmacro.c (check_trad_stringification): Check token
+ text pointers against limit before dereferencing.
+
+2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (format_wanted_type): New structure.
+ (check_format_types): New function.
+ (check_format_info): Pass all checking of types of format
+ arguments, including width and precision arguments, to this new
+ function.
+
+2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * BUGS: Remove file.
+
+2000-09-15 Jakub Jelinek <jakub@redhat.com>
+
+ * config/alpha/alpha.c (override_options): ev6 cache latencies
+ from Richard Henderson. Don't allow -mmemory-latency=L0.
+
+ * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
+ (TARGET_OPTIONS): Add tune=.
+ (alpha_tune_string): Declare.
+ * config/alpha/alpha.c (override_options): Add cpu_table.
+ Use alpha_cpu_string first to set both alpha_cpu and target_flags
+ and then alpha_tune_string to set alpha_cpu only.
+ Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
+ * config/alpha/elf.h (ASM_FILE_START): Likewise.
+ * config/alpha/osf.h (ASM_FILE_START): Likewise.
+ * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
+
+Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (no_comparison_operator, uno_comparison_operator):
+ Remove.
+ (ix86_comparison_operator, ix86_cc_mode): Declare
+ * i386.h (CCGC, CCGCO): New modes.
+ (SELECT_CC_MODE): Move offline to ....
+ * i386.c (ix86_cc_mode): .... here; use new modes.
+ (ix86_comparison_operator): New.
+ (fcmov_comparison_operator): Ensure proper mode.
+ (put_condition_mode): More sanity checking.
+ (ix86_match_ccmode): Handle new modes.
+ (ix86_expand_fp_compare): GEU requires CCmode.
+ (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
+ doing it by hand.
+ * i386.md (cmp?i_ccz_1): Remove
+ (cmp?i_ccno_1): Use ix86_match_ccmode.
+ (cmp?i_minus_1): New.
+ (cmpsi_1): New expander.
+ (cmpqi_ext_1): Use match_ccmode
+ (cmpqi_ext_3): New expander.
+ (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
+ (cmpqi_ext_4): Use match_ccmode.
+ (add?i_?): Use match_ccmode.
+ (add?i_6): New.
+ (test?i_ccz_1): Remove
+ (test?i_1): New.
+ (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
+ (testqi_ext_0): Use ix86_match_ccmode.
+ (*xorqi_cc_ext_1): Use ix86_match_ccmode.
+ (xorqi_cc_ext_1): New expander.
+ (shift patterns): Use CCGOCmode for all shifts except for sar.
+ (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
+ (setcc_3, jcc_3, miv?icc_c): Remove.
+
+2000-09-15 Will Cohen <wcohen@redhat.com>
+
+ * dwarf2out.c (add_const_value_attribute): Changed array into a
+ xmalloced object, so it exists after function exit.
+ (free_AT): Added case for dw_val_class_float to free allocated
+ memory.
+
+2000-09-15 Kazu Hirata <kazu@hxi.com>
+
+ * config/i386/i386.md: Fix a comment typo.
+ * gcc.c: Fix formatting.
+
+2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * optabs.c (emit_libcall_block): If target is a user variable,
+ copy to a temporary first.
+ * expr.c (convert_move): When generating a libcall, make a libcall
+ block.
+ * calls.c (emit_library_call_value_1): Don't create a libcall
+ sequence here; our caller will in most cases do it.
+
+ * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
+ MACH into FPUL.
+ (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
+ * sh.md (reload_outsf): Generate recognizable patterns for
+ TARGET_SH3E.
+ (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
+ fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
+ fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
+ truncdfsf2_i4): Change not to use explicit references to fpul.
+ (floatsisf2_ie): Remove USE of fpscr.
+ (floatsisf2): Change default expansion to match this.
+ (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
+ unused patterns.
+
+2000-09-15 Richard Henderson <rth@cygnus.com>
+
+ * expmed.c (store_bit_field): Consider naturally aligned
+ memory for direct reference.
+
+2000-09-15 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
+ AND addresses into alias set 0.
+ (alpha_expand_unaligned_store): Likewise.
+ (alpha_expand_unaligned_load_words): Likewise.
+ (alpha_expand_unaligned_store_words): Likewise.
+
+2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
+ * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
+ is defined.
+ * config/mips/mips.c (mips_va_arg): Args passed by reference have a
+ rsize of UNITS_PER_WORD.
+
+Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (ON_REST_ARG): Correct the test.
+ (maybe_paste_with_next): Duplicate a token that fail pasting,
+ and clear its PASTE_LEFT flag, so that nested pasting attempts
+ do not occur.
+
+2000-09-14 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
+ * cse.c (rtx_cost): Likewise.
+ * optabls.c (expand_binop): Likewise.
+ (expand_twoval_binop, prepare_cmp_insn): Likewise.
+ * regclass.c (copy_cost): Likewise.
+ * reload1.c (reload_cse_move2add): Likewise.
+
+2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (reswords): Add _Complex.
+
+2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * gcc.1: Delete documentation for -undef preprocessor option.
+
+2000-09-14 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
+ * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
+ Remove undefine before config/elfos.h.
+ * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
+
+2000-09-14 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (H8/300 Options): Add -ms2600.
+ * config/h8300.c (h8300_init_once): Output an error when -ms2600
+ is used without -ms.
+ * config/h8300.h (TARGET_MAC): New.
+ (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
+ (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
+ machine other than H8S/2600.
+ * config/h8300.md: Accept mac instructions on the H8S/2600 instead
+ of the H8S/2000.
+
+2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload.c (find_reloads_address_1): Generate reloads for auto_inc
+ pseudos that refer to the original pseudos, not only to their
+ equivalent memory locations.
+
+Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
+ when making new MEM.
+
+ * Makefile.in (LN): Remove duplicate definition.
+
+2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
+
+ From Joern Rennecke:
+ * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
+ on an insn and function_invariant_p returns nonzero for the source,
+ add a REG_EQUAL note.
+
+Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
+
+ * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
+ conflict with frame_pointer_rtx.
+
+2000-09-13 Kazu Hirata <kazu@hxi.com>
+
+ * loop.c: Fix formatting.
+ * loop.h: Likewise.
+
+2000-09-13 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (divsf3): New.
+ (divsf3_internal_lat, divsf3_internal_thr): New.
+ (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
+ (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
+ (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
+ (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
+ (nmadddf4_alts, nmadddf4_trunc): New.
+ (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
+ (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
+ (multf3_truncsf_alts, multf3_truncdf_alts): New.
+ (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
+ (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
+ (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
+ (nmaddtf4_truncdf_alts): New.
+ (recip_approx): Don't predicate.
+
+2000-09-13 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
+
+2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * flags.h (flag_dump_rtl_in_asm): Declare.
+ * toplev.c (flag_dump_rtl_in_asm): Define.
+ (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
+ if -dP is specified.
+ * rtl.h (print_rtx_head): Declare.
+ * print-rtl.c (print_rtx_head): Define.
+ (print_rtx): Print the string pointed to by print_rtx_head
+ at beginning of each dump line.
+ (print_rtl): Likewise.
+ (print_rtl_single): Likewise.
+ * final.c (final_scan_insn): Dump the insn in the assembly
+ file for debugging.
+ * gcc.1: Document -dP option.
+ * invoke.texi (Debugging Options): Likewise.
+
+2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * md.texi (Machine Constraints): Document the 68HC11 constraints.
+ * install.texi (Configurations): Document the 68HC11&68HC12 port.
+ * invoke.texi (Option Summary, M68hc1x Options): Document the options.
+
+Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
+ * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
+ (*clrstrqi): Likewise.
+ (xorhi3,xorsi3,absqi2): Likewise.
+ (one_cmplhi2,one_cmplsi2): Likewise.
+ (addsi3): Two stupid constraint alternatives removed.
+ (extendhisi2): Use `movw' for enhanced avr cores.
+ (zero_extendhisi2): Likewise.
+
+Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
+
+ * alias.c (find_base_term): Use frame_pointer_rtx
+ when handling an ADDRESSOF.
+
+ * cse.c (canon_hash): Handle USE of BLKmode memory.
+ (cse_insn): Outgoing arguments for a libcall don't
+ affect any recorded expressions.
+
+2000-09-12 Tom Tromey <tromey@cygnus.com>
+
+ * configure, config.in: Rebuilt.
+ * configure.in: Check for iconv, nl_langinfo, langinfo.h.
+
+2000-09-12 Jakub Jelinek <jakub@redhat.com>
+
+ * c-lex.c (lex_string): Use charwidth to compute bytemask.
+ * expr.c (expand_expr): Don't optimize constant array references
+ initialized with wide string constants.
+
+2000-09-13 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (note_set_pseudo_multiple_uses): Correct.
+
+2000-09-12 Jim Wilson <wilson@cygnus.com>
+
+ * ifcvt.c (noce_process_if_block): If A and B are the same, and no
+ else block, and X has side-effects, then fail.
+
+2000-09-12 Greg McGary <greg@mcgary.org>
+
+ * config/mips/mips-protos.h
+ (trap_cmp_op, mips_gen_conditional_trap): New func decls.
+ * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
+ (PREDICATE_CODES): Add "trap_cmp_op".
+ * config/mips/mips.c
+ (trap_cmp_op, mips_gen_conditional_trap): New functions.
+ * config/mips/mips.md (trap, conditional_trap): New patterns.
+
+2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
+ pointer.
+
+2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (built_in_decls): New array.
+ (expand_builtin_fputs): New function.
+ (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
+
+ * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
+
+ * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
+
+ * tree.h (built_in_decls): New array.
+
+Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
+
+ * convex.md: Use "+" instead of "=" for outputs wrapped in a
+ STRICT_LOW_PART.
+ * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
+
+2000-09-12 Kazu Hirata <kazu@hxi.com>
+
+ * haifa-sched.c: Fix formatting.
+
+ * genattrtab.c: Fix formatting.
+
+ * unroll.c: Fix formatting.
+
+2000-09-12 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c: make a type for the fix procedure & use it,
+ remove obsolete code
+ * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
+ * fixinc/fixincl.tpl: make non-exported arrays static scope
+ * fixinc/fixincl.x: regenerate
+ * fixinc/fixlib.h: Use PARAMS, not _P_
+ * fixinc/fixtests.c: make a type for the test proc & use it
+ * fixinc/server.h: Use PARAMS, not _P_
+
+2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-typeck.c (process_init_element): Avoid union init warnings on
+ floating point zero. Don't crash on unions containing structs.
+
+2000-09-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
+ general_movsrc_operand, and remove CONST_INT from
+ general_movdst_operand.
+
+2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
+ if a reference to non-fixed hardreg is seen. Otherwise, count hard
+ regs with a higher cost.
+ (preferrable): Deal with cases where either cost or regcost is
+ MAX_COST.
+ (cse_insn): Use MAX_COST rather than 10000. Always initialize
+ regcost values.
+ (COSTS_N_INSNS): Move definition...
+ * rtl.h: ...here.
+ (MAX_COST): New macro.
+ * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
+ constant.
+
+2000-09-11 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (genrtl_clear_out_block): Remove.
+ * c-semantics.c (genrtl_clear_out_block): Remove.
+ (genrtl_while_stmt): Don't call it.
+ (genrtl_for_stmt): Likewise.
+
+2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Move all default-#defines to top of file.
+ (open_include_file): Replace by lookup_include_file.
+ (read_with_read, read_file): Merged into read_include_file.
+ (stack_include_file, purge_cache): New functions.
+ (close_cached_fd): Delete.
+ (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
+ Cache the in-memory buffer, not the file descriptor.
+
+ * cpphash.h (struct include_file): Add buffer, st, refcnt,
+ mapped fields.
+ (xcnew): New utility macro.
+ (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
+ * cpplib.h (struct cpp_buffer): Remove mapped field.
+
+2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (parse_string): Accept backslash space newline as a
+ line continuation.
+ (lex_line): Likewise.
+ (_cpp_get_token): Remove hard limit on macro nesting.
+
+2000-09-12 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
+ * configure: Rebuilt.
+
+2000-09-13 Michael Hayes <mhayes@cygnus.com>
+
+ * flow.c (split_block): Fix update of registers live at
+ end of split block.
+
+Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (add?i_3, add?i_5): New.
+ (add?i_4): Rename from add?i_3; Fix compare pattern.
+ (sub?i_3, xor?i_3, ior?i_3): New.
+
+ * genrecog.c (write_tree): Output code to clear insn_extract cache.
+ * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
+ instead of extract_insn and extract_constrain_insn_cache instead of
+ extract_insn and constrain_operands.
+ * recog.c (extract_insn_cached, extract_constrain_insn_cached):
+ New functions.
+ (extract_insn): Clear which_alternative.
+ (constrain_operands): Set which_alternative to -1 when failed.
+ * recog.h (extract_constrain_insn_cached, extract_insn_cached):
+ Declare.
+
+2000-09-11 Matthew Hiller <hiller@redhat.com>
+
+ * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
+ on operand 0 to '+'.
+ (movstricthi): Likewise.
+
+2000-09-12 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.h (LOOP_IVS): New macro.
+ (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
+ (struct loop_ivs): New.
+ (struct loop_info): Add ivs field.
+ (reg_iv_type, reg_iv_info): Delete prototype.
+ (reg_biv_class, loop_iv_list): Likewise.
+ * loop.c (record_biv, find_life_end): Pass loop argument.
+ (reg_iv_type): Remove global array and use
+ field in loop_regs structure within loop_ivs structure.
+ (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
+ (first_increment_giv, last_increment_giv): Use entry in
+ loop_ivs structure.
+ (record_initial): Pass ivs pointer.
+ * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
+
+2000-09-12 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.h (LOOP_REGS): New macro.
+ (struct loop_regs): New.
+ (struct loop_info): Add regs field.
+ * loop.c (set_in_loop): Remove global array and store
+ in loop_regs structure as part of loop_info structure.
+ (n_times_set, may_not_optimize): Likewise.
+ (reg_single_usage, moved_once): Likewise.
+ (count_one_set): Add regs argument.
+ (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
+ (set_pseudo_multiple_uses): Pass regs pointer.
+
+2000-09-12 Michael Hayes <mhayes@cygnus.com>
+
+ * unroll.c (iteration_info): Subsume into loop_iterations.
+ * loop.h (loop_info): New field iv.
+
+2000-09-12 Michael Hayes <mhayes@cygnus.com>
+
+ * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
+ (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
+ (flow_loops_update): New prototype.
+ (flow_loops_find): Add flags to prototype.
+ (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
+ * flow.c (flow_loop_pre_header_scan): New.
+ (flow_loop_dump): Dump pre-header root and trace and exit dominators.
+ (flow_loop_free): Free pre-header root and trace and exit dominators.
+ (flow_loops_find): New argument flags.
+ (flow_loops_update): New function.
+ * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
+
+2000-09-12 Michael Hayes <mhayes@cygnus.com>
+
+ * basic-block.h (split_block, update_bb_for_insn): New prototypes.
+ * flow.c (split_block, update_bb_for_insn): New functions.
+
+2000-09-11 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
+
+2000-09-11 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
+ * config/ia64/ia64.c (fr_nonimmediate_operand): New.
+ (ia64_override_options): Prevent optimizing division for both
+ latency and throughput.
+ (rtx_needs_barrier): Handle frcpa.
+ * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
+ (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
+ (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
+ (TARGET_SWITCHES): Add -minline-divide-min-latency and
+ -minline-divide-max-throughput.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md (extendsidi2): Remove * from f case.
+ (zero_extendsidi2): Likewise. Fix typo in f case insn.
+ (extendsfdf2): Add cases for gr<->fr and fr<->mem.
+ (extendsftf2): Likewise.
+ (extenddftf2): Likewise.
+ (fix_trunctfdi2_alts): New.
+ (fixuns_trunctfdi2_alts): New.
+ (madd*4): Rename from madd*3.
+ (divsi3, modsi3, udivsi3, umodsi3): New.
+ (divsi3_internal): New.
+ (divdi3, moddi3, udivdi3, umoddi3): New.
+ (divdi3_internal_lat, divdi3_internal_thr): New.
+ (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
+ (recip_approx): New.
+
+2000-09-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * print-rtl.c (debug_call_placeholder_verbose): New variable.
+ (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
+ set.
+ * integrate.c (copy_rtx_and_substitute): Don't share
+ LEAF_REG_REMAPpable registers with the inlined function. Don't
+ share the function value with calling sequences.
+
+2000-09-11 Jakub Jelinek <jakub@redhat.com>
+
+ * c-decl.c (do_case): Fix a typo.
+
+ * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
+ to a if the comparison is floating mode and not -ffast-math.
+ * simplify-rtx.c (simplify_ternary_operation): Likewise.
+
+Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
+
+ * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
+ gen_ic_invalidate_line.
+
+2000-09-11 Philip Blundell <pb@futuretv.com>
+
+ * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
+
+Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
+
+ * install.texi (LANGUAGES): Update to include new languages.
+ * INSTALL: Rebuilt.
+
+2000-09-11 DJ Delorie <dj@redhat.com>
+
+ * gcc.c (main): Don't warn about unused -B prefixes
+ (unused_prefix_warnings): remove
+
+2000-09-11 Kazu Hirata <kazu@hxi.com>
+
+ * final.c: Fix formatting.
+
+ * integrate.c: Fix formatting.
+
+2000-09-11 Geoff Keating <geoffk@cygnus.com>
+
+ * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
+
+2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * reload.c (regno_clobbered_p): Fix thinko in previous change.
+
+2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * gcc.1: Document 68hc11 specific options.
+
+2000-09-10 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
+ (TARGET_LONG_DOUBLE_128): Define.
+ (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Redefine.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
+ of __LONG_DOUBLE_128__.
+ (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
+ passed.
+ (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
+ (CPP_SYSV_DEFAULT_SPEC): Define.
+ (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
+ (INIT_TARGET_OPTABS): Define.
+
+ * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
+ (RS6000_UITRUNC): Likewise.
+ (INIT_TARGET_OPTABS): New macro.
+ * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
+ (trunc_defined): Delete.
+ (output_prolog): Don't output .extern definitions for fp->int
+ conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
+ * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
+ (trunc_defined): Delete.
+ (RS6000_ITRUNC): Moved to aix.h.
+ (RS6000_UITRUNC): Likewise.
+ * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
+ only emit a libcall.
+ (fixuns_truncdfsi2): Delete.
+ (trunc_call): Delete.
+ (trunc_call_rtl): Delete.
+
+2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * varasm.c (make_decl_rtl): Restore leading star on
+ DECL_ASSEMBLER_NAME set for decls with an asmspec.
+
+2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
+ won't give a spurious error for '#pragma pack()'. Simplify
+ control flow for readability. 'reset' action is not necessary.
+
+2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
+ SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
+ LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
+ DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
+
+ * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
+ profile.c, sdbout.c, tradcif.y, tree.c:
+ Include defaults.h if not already included.
+ Don't define the above macros.
+
+ * Makefile.in: Update dependencies.
+
+2000-09-10 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (add_stmt): Change prototype.
+ (RECHAIN_STMTS): New macro.
+ (CASE_LABEL_DECL): Likewise.
+ (genrtl_case_label): Change prototype.
+ (c_expand_start_case): Remove prototype.
+ (build_case_label): Change prototype.
+ (decl_constant_value): Declare.
+ * c-common.c (check_case_value): Handle C++'s extensions to C
+ semantics.
+ * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
+ field.
+ * c-parse.in (stmt): Adjust handling of return statements and case
+ laels.
+ * c-semantics.c (add_stmt): Return the new statement.
+ (genrtl_return_stmt): Take the RETURN_STMT as input, not the
+ returned expression. Directly generate RTL, rather than calling
+ c_expand_return.
+ (genrtl_switch_stmt): Don't call c_expand_start_case.
+ (build_case_label): Take the LABEL_DECL as input, too.
+ (genrtl_case_label): Just call add_case_node.
+ (expand_stmt): Adjust calls to genrtl_return_stmt and
+ genrtl_case_label.
+ * c-tree.h (c_expand_start_case): Declare.
+ * c-typeck.c (decl_constant_value): Give it external linkage.
+ (c_expand_return): Don't call expand_return or expand_null_return;
+ use genrtl_return_stmt instead.
+ * stmt.c (struct nesting): Remove num_ranges field.
+ (add_case_node): Give it external linkage.
+ (expand_start_case): Don't set num_ranges.
+ (expand_start_case_dummy): Don't clear it.
+ (pushcase): Rely on add_case_node to handle `default' labels.
+ (add_case_node): Handle `default' labels.
+ * tree.c (tree_int_cst_compare): New function.
+ * tree.h (tree_int_cst_compare): Declare.
+ (add_case_node): Likewise.
+
+2000-09-10 Richard Henderson <rth@cygnus.com>
+
+ * c-parse.in: Revert last change.
+ (init_reswords): Do not enter disabled keywords into the ridpointers
+ table, modulo objc weirdness.
+ (_yylex): Return the canonical spelling for a keyword.
+
+2000-09-10 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
+ * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
+
+Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
+
+ * alias.c (find_base_term): Handle ADDRESSOF.
+ (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
+
+2000-09-10 Denis Chertykov <denisc@overta.ru>
+
+ * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
+ outputting templates with many lines.
+
+2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
+ to decide whether 64-bit support must be generated.
+
+2000-09-10 Richard Henderson <rth@cygnus.com>
+
+ * c-parse.in (asm patterns): Fix volatile check.
+
+2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppmacro.c (check_trad_stringification): New function.
+ (save_expansion): If -Wtraditional, warn about stringification of
+ macro arguments.
+
+2000-09-11 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.h (struct loop_mem_info): Move from loop.c
+ (struct loop_info): Add fields store_mems, mems, mems_idx,
+ mems_allocated, unknown_address_altered,
+ unknown_constant_address_altered, num_mem_sets, and
+ first_loop_store_insn.
+
+ * loop.c (loop_store_mems): Replace with field in loop_info struct.
+ (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
+ (unknown_address_altered, unknown_constant_address_altered): Likewise.
+ (num_mem_sets): Likewise.
+ (replace_loop_mems, replace_loop_regs): New.
+ (struct loop_replace_args): New.
+ (load_mems): Use replace_loop_mems.
+ (try_copy_prop): Use replace_loop_regs.
+ (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
+
+2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * configure.in: Recognize m6811-elf and m6812-elf.
+ * configure: Regenerate.
+
+2000-09-09 Geoff Keating <geoffk@cygnus.com>
+
+ * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
+ to operand_subword.
+
+2000-09-10 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (struct movables): New.
+ (num_movables): Move into struct movables.
+ (the_movables): Change type to struct movables.
+ (ignore_some_movables): Change struct movable arg to struct movables.
+ (force_movables, combine_movables, regs_match_p): Likewise.
+ (rtx_equal_for_loop_p, move_movables): Likewise.
+ (scan_loop): Change movables to be of type struct movables.
+ Replace last_movable with field in movables structure.
+
+2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
+ (init_pragma): Avoid warning if pfile happens to be unused.
+ * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
+ define init_pragma to nothing. Always prototype
+ init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
+
+ * c-lex.c (process_directive): Always call dispatch_pragma.
+ Initialize entering_c_header to 0.
+
+2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md: New file, machine description for
+ 68HC11 & 68HC12.
+ * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
+ * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
+ * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
+ * config/m68hc11/m68hc11-protos.h: New file.
+ * config/m68hc11/m68hc11-crt0.S: New file, startup code.
+ * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
+ * config/m68hc11/xm-m68hc11.h: New file, target defs.
+ * config/m68hc11/larith.asm: New file, libgcc routines.
+
+2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
+ (FPBIT_FUNCS): Add _usi_to_sf.
+ * config/fp-bit.c (usi_to_float): New function.
+ * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
+ (usi_to_float): Add appropriate #define.
+
+2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
+ new functions.
+ * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
+ * i386.md (attr "type"): Add sse and mmx types.
+ (attr "memory"): Handle them without a crash.
+ (movsi_1, movdi_2): Allow MMX regs.
+ (movdi splits): Don't split moves involving MMX regs.
+ (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
+ (movv4sf_internal, movv4si_internal, movv8qi_internal,
+ movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
+ movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
+ sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
+ sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
+ sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
+ addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
+ divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
+ sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
+ sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
+ vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
+ smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
+ cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
+ addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
+ subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
+ mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
+ mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
+ mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
+ eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
+ smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
+ lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
+ mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
+ mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
+ mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
+ mmx_clrdi): New patterns.
+
+2000-09-08 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c: Don't include tm.h directly.
+
+Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_replace_rtx_1): Fix confusion about equality
+ testing; simplify subregs of constants and nested subregs.
+
+2000-09-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
+
+2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
+ VEC_CONCAT.
+ * rtl.texi (description of USE): Add note about possible pitfalls
+ with this rtx.
+ From Richard Henderson:
+ * reload1.c (choose_reload_regs): Compute need_mode properly.
+
+2000-09-07 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
+ (__modsi3, __umodsi3): Likewise.
+ (__udivsi3): Likewise. Normalize the TFmode values.
+
+2000-09-07 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
+ with a prototype.
+ * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
+ warning.
+
+Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
+
+ * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
+ (cmpeqdi_t): Add output pattern.
+ (cmpeqdi_t+1): Don't split when not optimizing.
+ Restore proper splitting operation.
+
+2000-09-07 Richard Henderson <rth@cygnus.com>
+
+ * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
+ do not call dispatch_pragma.
+
+2000-09-07 Jim Wilson <wilson@cygnus.com>
+
+ * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
+ to CLASS_CANNOT_CHANGE_MODE.
+ * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
+ mode classes are different.
+
+2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (struct cpp_options): Add user_label_prefix member,
+ left out of commit which removed cppulp.c.
+
+2000-09-07 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (fixup_reorder_chain): Add jump in new block
+ after switch for CASE_DROPS_THROUGH.
+
+2000-09-07 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (strength_reduce): Call check_ext_dependant_givs.
+ Properly extend the biv initial value for the giv.
+ (record_biv): Zero ext_dependant.
+ (record_giv): New argument ext_val. Update all callers.
+ (general_induction_var): Likewise.
+ (consec_sets_giv): Likewise.
+ (simplify_giv_expr): Likewise. Fill in ext_val if we find
+ a sign-extend, zero-extend, or truncate.
+ (combine_givs_p): Make sure modes are compatible.
+ (check_ext_dependant_givs): New.
+ (extend_value_for_giv): New.
+ * loop.h (struct induction): Add ext_dependant.
+ * unroll.c (iteration_info): Extend the biv initial value for the giv.
+ (find_splittable_givs): Likewise.
+ (final_giv_value): Likewise.
+
+2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
+ REGISTER_TARGET_PRAGMAS is defined. Duplicate some
+ definitions from cpplib.h.
+ * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
+ already done it.
+ * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
+ documentation for REGISTER_TARGET_PRAGMAS.
+
+ * c-lex.c: Include cpplib.h before c-pragma.h. Define a
+ default-pragma callback to implement -Wunknown-pragmas if
+ USE_CPPLIB.
+ * c-parse.in: Move all includes to top of file.
+ * c-pragma.c: Include cpplib.h before c-pragma.h. Include
+ tm_p.h.
+ (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
+ warning.
+ (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
+
+ * arm.h, arm-protos.h, arm.c,
+ c4x.h, c4x-protos.h, c4x.c,
+ h8300.h, h8300-protos.h, h8300.c,
+ i370.h, i370-protos.h, i370.c,
+ i960.h, i960-protos.h, i960.c,
+ sh.h, sh-protos.h, sh.c,
+ v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
+ pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
+
+ * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
+ multiple include guard.
+ * i370.md (untyped_call): Use GEN_CALL.
+ (umodsi3): Remove unused variable.
+ * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
+ * v850.c (output_move_single, output_move_double): Constify
+ return value.
+ (print_operand): Constify a char *.
+ * v850.h (struct small_memory_info): Constify name member.
+
+2000-09-07 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300.h: Fix comment typos.
+ * config/h8300/h8300.md: Likewise.
+ * config/h8300/lib1funcs.asm: Likewise.
+
+Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
+
+ * Makefile.in: Remove references to cppulp.{c,o}.
+ * cppinit.c (initialize_builtins, cpp_start_read,
+ cpp_handle_option): Update to use cpp_options structure.
+ * cppulp.c: Remove.
+
+2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (time_char_table): Allow %#b and %#h.
+
+2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * reorg.c (find_end_label): If the basic block reorder pass moves the
+ return insn to some other place try to locate it again and put our
+ end_of_function_label there.
+ * reorg.c (relax_delay_slots): Check if find_end_label created a
+ new label that invalidates the current optimazation.
+
+2000-09-07 Catherine Moore <clm@redhat.com>
+
+ * unroll.c (unroll_loop): Check for unconditional jumps
+ to loop continuation. Delete if n_iterations is 1.
+ (ujump_to_loop_cont): New routine.
+
+2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
+ MODE_VECTOR_FLOAT.
+ * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
+ to handle multiword modes correctly. All callers and the declaration
+ changed.
+
+2000-09-06 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (prep_stmt): Declare.
+ (lang_expand_stmt): Likewise.
+ * c-decl.c (lang_expand_stmt): Remove.
+ * c-semantics.c (lang_expand_stmt): Define.
+ (prep_stmt): New function.
+ (expand_stmt): Handle common statement types here.
+
+2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (sh-*-linux*): Added.
+ * configure: Rebuilt.
+ * config/sh/t-linux: New file.
+ * config/sh/sh.h (USERMODE_BIT): Define.
+ (TARGET_USERMODE): Likewise.
+ (TARGET_SWITCHES): New switches for the bits above.
+ (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
+ * config/sh/linux.h: New file.
+ * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
+ underscore on linux.
+ (L_sdivsi3, L_udivsi3): Define for linux.
+ (L_ic_invalidate): Define.
+ * invoke.texi (SH Options): Document -musermode.
+
+2000-09-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
+ CSE unless generating PIC.
+
+ * config/sh/sh.md (symPLT_label2reg): Force the initialization of
+ the PIC register.
+
+2000-09-06 H.J. Lu (hjl@gnu.org)
+
+ * Makefile.in (clean_s1): Depend on stage_b.
+ (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
+ stage2. They are used for "make compare".
+
+2000-09-06 Mark Mitchell <mark@codesourcery.com>
+
+ Move statement-tree facilities from C++ to C front-end.
+ * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
+ (void_zero_node): New macro.
+ (struct stmt_tree_s): New type.
+ (stmt_tree): New typedef.
+ (struct language_function): New type.
+ (last_tree): New macro.
+ (last_expr_type): Likewise.
+ (walk_tree_fn): New typedef.
+ (current_stmt_tree): New function.
+ (begin_stmt_tree): Likewise.
+ (add_stmt): Likewise.
+ (finish_stmt_tree): Likewise.
+ (statement_code_p): Likewise.
+ (lang_statement_code_p): New variable.
+ (walk_stmt_tree): New function.
+ (STMT_IS_FULL_EXPR_P): New macro.
+ * c-common.c (lang_statement_code_p): New variable.
+ (c_common_nodes_and_builtins): Initialize void_zero_node.
+ (statement_code_p): New function.
+ (walk_stmt_tree): Likewise.
+ * c-decl.c (language_function): Rename to ...
+ (c_language_function): ... this. Include language_function.
+ (push_c_function_context): Adjust accordingly.
+ (pop_c_function_context): Likewise.
+ (mark_c_function_context): Likewise.
+ (current_stmt_tree): Define.
+ * c-semantics.c (begin_stmt_tree): New function.
+ (add_stmt): Likewise.
+ (prune_unused_decls): Likewise.
+ (finish_stmt_tree): Likewise.
+
+2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
+
+2000-09-06 Kazu Hirata <kazu@hxi.com>
+
+ * calls.c: Fix formatting.
+
+2000-09-06 Graham Stott <grahams@cygnus.co.uk>
+
+ * config/i386/i386.h (ADDRESS_COST): Fix typo.
+
+2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ Integrated preprocessor.
+
+ * Makefile.in: Remove all references to c-parse.gperf,
+ c-gperf.h, and c-parse.h. Remove -d from yacc command line
+ generating c-parse.c. Update dependencies.
+ * c-parse.gperf, c-gperf.h: Delete.
+
+ * c-common.c: Don't define parse_options, cpp_token, yy_cur,
+ yy_lim, or yy_get_token. Don't define get_directive_line if
+ USE_CPPLIB.
+ * c-common.h: Add multiple include guard. Define RID values
+ for every keyword in C, C++, and Objective-C. Put all the
+ modifiers first.
+ (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
+ * c-decl.c (c_decode_option): Handle -lang-objc here.
+ (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
+ (grokdeclarator): Adjust for new RID scheme.
+ (extract_interface_info): New stub.
+ * c-lang.c: Don't declare yy_cur or parse_options.
+ (lang_init_options): Call cpp_init. Don't call
+ cpp_options_init.
+ (lang_init): Don't call check_newline if USE_CPPLIB.
+
+ * c-lex.c: Don't include c-parse.h. Do include timevar.h.
+ Elide lots of unnecessary code if USE_CPPLIB. Delete code
+ rendered unnecessary by new architecture. Move routines not
+ shared with C++ to c-parse.in. Maintain a local idea of the
+ line number. Handle C++ as well as C.
+ [USE_CPPLIB]: Declare and register callbacks for #ident and
+ for entering/leaving files.
+ (init_c_lex, c_lex): Are now the entry points to this file.
+ (check_newline): Break out directive handling to
+ process_directive.
+ (read_ucs, is_extended_char, utf8_extend_token): Moved here
+ from C++ front end.
+ (readescape, parse_float): Overhaul.
+ (lex_number, lex_string, lex_charconst): Break out of c_lex
+ (n'ee yylex).
+ (get_fileinfo, update_header_times, dump_one_header,
+ dump_time_statistics): New and/or moved here from C++.
+ Support per-file data needed by C++ and per-header timing
+ statistics (C++ only, at the moment).
+ * c-lex.h: Update prototypes. Add multiple include guard.
+ * c-tree.h (struct lang_identifier): Add rid_code field.
+ (C_IS_RESERVED_WORD, C_RID_CODE): New.
+
+ * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
+ reinit_parse_for_function and/or position_after_white_space.
+ (save_filename, save_lineno): Look ahead before saving.
+ (label -> identifier ':'): Save file and line before shifting ':'.
+ (reservedwords): No need to call get_identifier.
+ (init_parse, finish_parse, yyerror, yylex, yyprint,
+ make_pointer_declarator): Are now here for C/ObjC.
+ (rid_to_yy): Conversion table from RID constants to Yacc codes.
+
+ * c-pragma.c: Rewrite parsing logic to fit with cpplib's
+ #pragma registry. Provide dummy implementation of that
+ interface if !USE_CPPLIB.
+ * c-pragma.h: Update to match.
+
+ * flags.h: Add multiple include guard.
+ (flag_detailed_statistics): Moved here from C++.
+ * toplev.c: Define flag_detailed_statistics.
+
+ * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
+ #if USE_CPPLIB.
+ * timevar.def (TV_CPP, TV_LEX): New.
+ * timevar.h: Add multiple include guard.
+
+ * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
+ #if USE_CPPLIB.
+ * objc/objc-act.c: Don't mention yy_cur or parse_options.
+ Initialize cpplib properly. Force lineno to 0 after first
+ call to check_newline. Don't handle -lang-objc here.
+ Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
+
+2000-09-06 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md: Correct function unit definitions for cr_logical and
+ mtjmpr.
+ (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
+ and use portable method for >=0 and floating point >=. Remove
+ associated matchers.
+
+2000-09-06 Mark Mitchell <mark@codesourcery.com>
+
+ * extend.texi: Mark named return value extension as deprecated.
+
+2000-09-06 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
+ the result.
+
+2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.c (display_help): Fix thinko in documentation.
+
+ * diagnostic.h (output_buffer::indent_skip): New fields.
+ (output_indentation): New macro.
+
+ * diagnostic.c (output_indent): New function.
+ (output_set_prefix, clear_diagnostic_info): Use.
+ (output_emit_prefix): Predict future indentation.
+
+2000-09-06 DJ Delorie <dj@redhat.com>
+
+ * Makefile.in (stage_*): add more dependencies to ensure parallel
+ builds build correctly
+
+2000-09-06 Manfred Hollstein <manfredh@redhat.com>
+
+ * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
+ not bootstrap-lean_f.
+
+2000-09-06 Andreas Schwab <schwab@suse.de>
+
+ * mklibgcc.in: Emit rule for libgcc-stage-start.
+ * Makefile.in (stage1-start, stage2-start, stage3-start,
+ stage4-start): Don't handle libgcc here, use libgcc.mk instead.
+
+2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
+
+ * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
+ (update_equiv_regs): Likewise, except for the mn10200 kludge.
+ (combine_regs): Likewise.
+
+ * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
+ * cse.c: Include "basic-block.h".
+ (struct table_elt): New field REGCOST.
+ (CHEAP_REG): Delete macro.
+ (COST): Return 0 for REGs.
+ (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
+ (notreg_cost): Return 0 for appropriate SUBREGs.
+ (COSTS_N_INSNS): Return N * 2.
+ (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
+ SUBREGs.
+ (CHEAPER): Use new function preferrable.
+ (insert): Initialize REGCOST member.
+ (find_best_addr): Use approx_reg_cost for estimation of register
+ usage.
+ (cse_insn): Likewise.
+ * loop.c (iv_add_mult_cost): New function.
+ (add_cost, shift_cost, mult_cost): Delete variables.
+ (init_loop): Don't initialize add_cost; reduce copy_cost by half.
+ (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
+ Make code that detects autoinc opportunities slightly less optimistic.
+ (simplify_giv_expr): If expression contains other reg that is also a
+ giv, only increment benefit if this is the only use of that reg.
+ (consec_sets_giv): Take that change into account.
+ (combine_givs): Slightly more verbose output.
+
+ * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
+ not the cost of an equivalent shift.
+ * sh-protos.h (addsubcosts): Declare.
+ * sh.c (addsubcosts): New function.
+ * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
+ (RTX_COSTS): Tweak. Use addsubcosts.
+ (ADDRESS_COST): Return higher cost for reg+reg addressing.
+
+2000-09-06 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (validate_condition_mode): New function.
+ (branch_comparison_operator): Call validate_condition_mode to
+ abort rather than returning 0.
+ (branch_positive_comparison_operator): New function.
+ (scc_comparison_operator): Call validate_condition_mode to abort
+ rather than returning 0.
+ (ccr_bit): Call validate_condition_mode. Update for
+ new branch scheme.
+ (print_operand): Delete %C modifier. Update %E case
+ to use EQ bit not SO bit.
+ (rs6000_reverse_condition): New function.
+ (rs6000_generate_compare): New function.
+ (rs6000_emit_sCOND): New function.
+ (rs6000_emit_cbranch): New function.
+ (output_cbranch): The length of a long branch insn is
+ now only 8 bytes. Add validate_condition_mode. Use
+ rs6000_reverse_condition. Remove cror generation.
+
+ * config/rs6000/rs6000.h: Update comments.
+ (PREDICATE_CODES): Add new predicate. Update codes used
+ by branch_comparison_operator and scc_comparison_operator.
+ * config/rs6000/rs6000-protos.h: Add prototypes for
+ new external functions.
+ * config/rs6000/rs6000.md: Add new scheduling parameters
+ for cr_logical instructions. Change length of branch
+ instructions.
+ (bCOND patterns): Call rs6000_emit_cbranch.
+ (sCOND patterns): Call rs6000_emit_sCOND.
+ (branch patterns): Change lengths to 4.
+ (cr logical patterns): New.
+
+2000-09-06 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/i386.md (call_pop): Fix test for setting
+ current_function_uses_pic_offset_table.
+ (call, call_value_pop, call_value): Likewise.
+
+2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * timevar.c (timevar_add): Delete.
+ (timevar_get): Also count time since the selected timer was
+ last updated. Do not examine the timevar stack if the
+ selected timer is standalone.
+
+2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
+
+2000-09-05 Jason Merrill <jason@redhat.com>
+
+ * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
+ for 'extern' arrays.
+
+2000-09-05 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
+ Eliminate final copy from non-trapping case.
+ (__divdf3, __divsf3): Likewise.
+
+2000-09-05 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (mulhi3): Fix typo last change.
+ * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
+
+2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
+
+ * Makefile.in: Restructure bootstrap stages to allow clean
+ restart after failure.
+
+2000-09-05 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64.md (movsi and movdi patterns): Allow moves from
+ 8-bit constants to AR registers.
+
+2000-09-05 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (mulhi3): New.
+
+2000-09-05 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
+ * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
+ Optimization Guide, minimum latency alternative.
+ (__moddi3, __udivdi3, __umoddi3): Likewise.
+ (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
+
+2000-09-05 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.c (load_file): always read header files
+ with sizes that are a multiple of the page size.
+ & use libiberty's getpagesize for determining that.
+
+2000-09-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * gcse.c (hash_string_1): Add prototype.
+ * cse.c (canon_hash_string): Likewise.
+
+2000-09-04 Craig Newell <CraigN@ieee.org>
+
+ * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
+
+2000-09-04 Andreas Schwab <schwab@suse.de>
+
+ * Makefile.in (STAGESTUFF): Remove libgcc.
+ (stage1-start, stage2-start, stage3-start): Copy the contents of
+ the libgcc directory explicitly.
+ (mostlyclean): Clean libgcc.
+
+2000-09-04 Andrew Haley <aph@redhat.com>
+
+ * dwarf2out.c: (stack_adjust_offset): New prototype.
+
+Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (make_extraction): Fix rtx_cost comparison to
+ match the comment.
+
+Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
+ umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
+ Add '*' to insn pattern name.
+
+2000-09-04 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
+ use posn - 1 to index into tokens array.
+ (maybe_paste_with_next): Adjust caller.
+
+2000-09-03 Geoff Keating <geoffk@cygnus.com>
+
+ * invoke.texi: Document the -mvxworks option for rs6000 ELF.
+
+ * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
+ (REGNO_REG_CLASS): Use symbolic register
+ names.
+
+2000-09-03 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (final_prescan_insn): If the form of a jump insn isn't
+ recognized, don't try to conditionally execute it.
+
+Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.md ("*tablejump_lib"): New pattern.
+ (call_value_insn): Right length claculation.
+ (call_insn): Likewise.
+
+2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
+ gas_output_limited_string, gas_output_ascii, output_movqi,
+ output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
+ out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
+ out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
+ ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
+ lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
+ out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
+ Add "const" as needed to remove warnings.
+
+ * config/avr/avr.c (avr_override_options, avr_init_once,
+ function_prologue, function_epilogue, frame_pointer_required_p,
+ class_likely_spilled_p, order_regs_for_local_alloc,
+ avr_address_cost, avr_ret_register): Use K&R style arguments.
+ (initial_elimination_offset, gas_output_limited_string):
+ Remove ATTRIBUTE_UNUSED from the used arguments.
+ (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
+ Use local variables src, dest, base to access operands[].
+ Rename reg_dest to reg_src if that's what it is.
+ (output_movhi, output_movsisf): Optimize loading 8-bit immediate
+ constants to LD_REGS if reg_was_0.
+ (output_reload_insisf): Change arg 3 to insn length and set it.
+ (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
+ access to 16-bit I/O register pairs.
+ (avr_address_cost): Lower cost for the above case.
+ (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
+ may be clobbered, also for LD_REGS.
+ (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
+ with a CONST_INT.
+
+ * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
+
+ * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
+ macro to test_hard_reg_class function.
+ (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
+ for loading immediate constants to LD_REGS.
+ (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
+
+
+Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
+ * config/avr/libgcc.S: Lost part of the previous patch.
+
+2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
+ object before calling pthread_mutex_init.
+
+2000-09-02 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
+ config/sh/crtn.asm: New files.
+ * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
+ (crt1.o, crti.o, crtn.o): New targets.
+ * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
+ sh/t-elf.
+ * configure: Rebuilt.
+ * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
+ STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
+ * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
+ Undefine for config/elfos.h to redefine.
+ (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
+
+2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
+ legitimize_pic_address, output_pic_addr_const): Declare.
+ * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
+ (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
+ (TARGET_SWITCHES): New switch -mprefergot.
+ (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
+ (PIC_OFFSET_TABLE_REGNUM): Define.
+ (GOT_SYMBOL_TABLE): Likewise.
+ (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
+ (ENCODE_SECTION_INFO): Define.
+ (FINALIZE_PIC): New macros.
+ (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
+ (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
+ * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
+ (prepare_move_operands): Call emit_pic_move or
+ emit_pic_const_move if appropriate.
+ (output_far_jump): For PIC, use braf and output long offset.
+ (machine_dependent_reorg):
+ (sh_expand_prologue): Save and initialize the PIC register.
+ (sh_expand_epilogue): Restore it.
+ (initial_elimination_offset): Account for it.
+ (nonpic_symbol_mentioned_p): New function.
+ (legitimize_pic_address): Likewise.
+ (output_pic_addr_const): Likewise.
+ * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
+ (call, call_value): Use them.
+ (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
+ symPLT_label2reg): New expands.
+ * invoke.texi (SH Options): Document -mprefergot.
+
+2000-09-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
+ * gcse.c (hash_string_1): New function.
+ (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
+ (expr_equiv_p) <ASM_OPERANDS>: Likewise.
+ * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
+ (canon_hash_string): New function.
+ (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
+ (exp_equiv_p) <ASM_OPERANDS>: Likewise.
+ (fold_rtx): Use ASM_OPERANDS accessor macros.
+ * emit-rtl.c (copy_insn_1): Likewise.
+ * integrate.c (copy_rtx_and_substitute): Likewise.
+ * stmt.c (expand_asm_operands): Likewise. Give an
+ ASM_OPERANDS rtx the mode of the output reg being set from it.
+
+2000-09-01 Fred Fish <fnf@be.com>
+
+ * fix-header.c (write_rbrac): Add putc and getc to list of
+ functions to protect against prior definition as a macro.
+
+2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
+ (c_size_type_node): Define.
+ * c-decl.c (init_decl_processing): Initialize c_size_type_node.
+ * c-common.c (enum format_lengths, enum format_std_version,
+ format_length_info, format_type_detail, BADLEN, NOLENGTHS,
+ format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
+ T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
+ T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
+ T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
+ TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
+ format_types): Define.
+ (format_char_info, print_char_table, scan_char_table,
+ time_char_table): Rearrange for new organization of information
+ about format length modifiers and standard versions.
+ (T_ST): Redefine to use c_size_type_node.
+ (check_format_info): Obtain information about length modifiers and
+ standard versions from tables. Adjust warning message wordings.
+ Use the name from the user's program for `ll' and `hh' length
+ modifiers in warning messages. Use more informative names for
+ wanted types where available (for wchar_t, wint_t, size_t, signed
+ size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
+
+2000-09-01 Jim Wilson <wilson@cygnus.com>
+
+ * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
+ * combine.c (distribute_notes): Handle REG_NORETURN.
+ * rtl.c (reg_note_name): Add REG_NORETURN.
+ * rtl.h (enum reg_note): Likewise.
+
+ * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
+ ia64_file_start.
+ * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
+ (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
+ (emit_predicate_relation_info): Handle conditional calls with
+ REG_NORETURN.
+ * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
+ instead of ia64_file_start.
+ * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
+ * config/ia64/ia64.md (safe_across_calls_all,
+ save_across_calls_normal): New patterns.
+
+ * loop.c (check_final_value): Check for biv use before checking for
+ giv use. Check for both biv and giv uses. Always set last_giv_use
+ if there is a giv use.
+
+2000-09-01 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
+ (madddi3): Likewise.
+ (maddsi3): New.
+
+Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (clear_storage): Don't use emit_move_insn unless
+ either BLKmode or proper size.
+ (store_constructor): Don't call clear_storage if REG of wrong size.
+
+ * flow.c (init_propagate_block_info): Don't mark frame dead at end
+ of function if returns wiht stack pointer depressed.
+
+2000-09-01 Andrew Haley <aph@redhat.com>
+
+ * dwarf2out.c (stack_adjust_offset): New function.
+ (dwarf2out_stack_adjust): Break out stack adjust logic into
+ new stack_adjust_offset function. Look inside parallels and
+ sequences for stack adjustments.
+
+2000-08-31 Jeff Law <law@cygnus.com>
+
+ * arm.md: Use no_new_pseudos to determine when it is safe
+ to create new pseudo registers.
+
+ * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
+ when we can safely allocate new registers.
+
+2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Twiddle generating_concat_p
+ so that CONCATs are not generated for ASMs.
+ * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
+ not generating_concat_p.
+ * function.c (pop_function_context_from): Reset
+ generating_concat_p.
+ (prepare_function_start): Likewise.
+ * rtl.c (generating_concat_p): Define.
+ * rtl.h (generating_concat_p): Declare.
+ * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
+
+2000-08-22 Philipp Thomas <pthomas@suse.de>
+ Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
+
+ * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
+ for translation.
+
+2000-08-30 Greg McGary <greg@mcgary.org>
+
+ * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
+ * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
+ * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
+
+2000-08-30 Greg McGary <greg@mcgary.org>
+
+ * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
+ (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
+ (TREE_INT_CST): New macro.
+ * varasm.c (const_hash, compare_constant_1, record_constant_1):
+ Use new macro TREE_INT_CST.
+
+Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
+
+ * contrib.texi: Add self.
+
+2000-08-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
+ (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
+ and labels.
+
+2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * fixinc/gnu-regex.c: Don't define `const'.
+
+Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): Allow variable bounds of array type.
+ (expand_expr): Don't blow up if type is ERROR_MARK.
+ * varasm.c (output_constructor): Don't access lower bound of array
+ type unless need it if index is supplied (so it can be a variable
+ if no index is supplied).
+ Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
+ Other minor cleanups.
+
+2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
+ for compilations in stage 1 and subsequent stages, respectively.
+ * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
+ * configure: Rebuilt.
+ * x-vax, x-vax-gcc: Deleted.
+
+2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-common.c (declare_function_name): Use func_id_node,
+ function_id_node, and pretty_function_id_node. Do not make
+ __func__ visible at file scope.
+ * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
+ CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
+ (function_id_node, pretty_function_id_node, func_id_node): New
+ macros.
+ * c-decl.c (init_decl_processing): Initialize function_id_node,
+ pretty_function_id_node, and func_id_node.
+ (c_make_fname_decl): Correct comment.
+
+ * tree.h (struct tree_identifier): Constify pointer member.
+
+ * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
+ * c-pragma.h (struct weak_syms): Constify name and value members.
+ (add_weak): Constify arguments.
+
+ * calls.c (special_function_p): Constify a char *.
+ (expand_call): Remove variable which is initialized and then
+ never used.
+ * dependence.c (struct def_use, struct induction, struct subscript):
+ Constify 'variable' member.
+ (get_low_bound, have_induction_variable): Constify char * argument.
+ (find_induction_variable): Add braces to avoid dangling else.
+ (classify_dependence): Constify char * arrays.
+ * profile.c (output_func_start_profiler): Constify a char *.
+ * stor-layout.c (finalize_record_size): Constify a char *.
+ * tree.c (is_attribute_p): Constify a char *.
+ * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
+
+ * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
+ for comprehensibility. Do not call get_identifier if we did
+ not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
+ create temporary string constants, not ggc_alloc_string. No
+ need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
+ char * to hold IDENTIFIER_POINTERs.
+
+2000-08-29 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (muldi3): Use grfr_register_operand
+ for the inputs.
+
+2000-08-29 Richard Henderson <rth@cygnus.com>
+
+ * reload.c (push_secondary_reload): Allow class == reload_class
+ if we're using a reload_in/out pattern.
+
+ * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
+ the half that does not conflict with the reload register.
+ (reload_outti): Likewise.
+
+2000-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * reload.c: Fix formatting.
+
+ * stmt.c: Fix formatting.
+
+ * gcc.c: Fix formatting.
+
+2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * flags.h (time_report, mem_report): New global flags.
+ * toplev.c: Define time_report and mem_report.
+ (f_options): Add -ftime-report and -fmem-report.
+ (compile_file): Turn on time_report if quiet_flag is off.
+ Call ggc_print_statistics at very end if mem_report is on.
+ * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
+
+ * ggc-common.c (ggc_print_statistics): Rename to
+ ggc_print_common_statistics; all callers changed. Scale
+ quantities above 10K to kilobytes and above 10M to megabytes.
+ * ggc-page.c (ggc_page_print_statistics): Rename to
+ ggc_print_statistics. Report memory consumed by internal data
+ structures for each allocation bucket. Scale quantities above
+ 10K to kilobytes and above 10M to megabytes.
+ * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
+ Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
+ Define tally_leaves always.
+ (ggc_print_statistics): New function.
+ * ggc.h: Adjust for renamed functions.
+
+Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
+ output_movsisf instead of which_alternative.
+
+ * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
+
+Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr-protos.h: (avr_output_ascii) Removed.
+ (avr_progmem_p): New prototype.
+ (output_movsisf): Prototype declaration changed.
+ (output_movqi): New prototype.
+ (output_movhi): New prototype.
+ (call_insn_operand): Likewise.
+ (final_prescan_insn): Likewise.
+ (avr_simplify_comparision_p): Likewise.
+ (avr_normalize_condition): Likewise.
+ (compare_eq_p): Likewise.
+ (out_shift_with_cnt): Likewise.
+ (const_int_pow2_p): Likewise.
+ (output_reload_inhi): Prototype declaration changed.
+
+ * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
+ (ldi_reg_rtx): New. rtx for r31.
+ (avr_init_stack): Initialize as "__stack".
+ (function_prologue): Use it.
+ Replace all TARGET_ENHANCED with AVR_ENHANCED.
+ (avr_mcu_name): Initialize as "avr2".
+ (avr_enhanced_p, avr_mega_p): New variables.
+ (mcu_types, avr_override_options): Handle all known MCU types.
+ Also handle avr1 (only preprocess, assemble and link).
+ (print_operand): Using of `%K' in output template removed.
+ (out_movqi_r_mr): Optimized.
+ (out_movhi_r_mr): Likewise.
+ (output_movqi): New function.
+ (output_movhi): Likewise.
+ (out_movsi_r_mr): Optimized.
+ (output_movsisf): Compute insn length for `adjust_insn_length'
+ (out_movqi_mr_r): Optimized.
+ (out_movhi_mr_r): Optimized.
+ (adjust_insn_length): Use output_movsisf, output_movqi,
+ output_movhi for insn length adjusting.
+ (reg_unused_after): Use dead_or_set_p.
+ (preferred_reload_class): Now haven't any restriction.
+ (reg_was_0): New function.
+ (io_address_p): Likewise.
+ (const_int_pow2_p): Likewise.
+ (output_reload_inhi): Likewise.
+ (output_reload_insisf): Likewise.
+
+ * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
+ (LIB_SPEC): Use -lc for all supported devices.
+ (LIBGCC_SPEC): Use -lgcc for all supported devices.
+ (AVR_MEGA): Define as avr_mega_p.
+ (AVR_ENHANCED): New, define as avr_enhanced_p.
+ (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
+ (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
+ (CRT_BINUTILS_SPECS): Handle all known MCU types.
+ Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
+ (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
+ (ASM_SPEC): Pass -mmcu=... to the assembler.
+ Change all -DAVR_* to -D__AVR_*__.
+ (INIT_TARGET_OPTABS), config/avr/libgcc.S:
+ Rename library functions to start with two underscores.
+ (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
+ alignment.
+ (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
+ (SUPPORTS_WEAK): Likewise.
+ (LDI_REG_REGNO): New. Register r31 will be used as temporary
+ register for loading constants to r0-r14.
+
+ * config/avr/avr.md: Replace all TARGET_ENHANCED with
+ AVR_ENHANCED.
+ (*mov_r_sp): Removed. Handled by output_movhi.
+ (*mov_sp_r): Likewise.
+ (*mov_sp_r_no_interrupts): Likewise
+ (*mov_sp_r_tiny): Likewise.
+ (*movqi): Use output_movqi.
+ (*reload_inqi): New.
+ (*movhi): Use output_movhi.
+ (*reload_inhi): New.
+ (*negsi2): Optimized.
+ (*negsf2): Likewise.
+ Added peepholes (define_peephole2) for loading constants to r0-r14
+ and for using `cpse' command.
+
+ * config/avr/libgcc.S: Rename library functions to start with two
+ underscores.
+ Add support for enhanced core.
+ (_moqhi3): Fix typo, now _modqi3.
+ (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
+ (__prologue_saves__): Remove test for stack adjust by 0.
+ (__tablejump__): New.
+
+ * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
+ Add multilib support.
+
+Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
+
+ * loop.c (prescan_loop): Don't check unknown_address_altered
+ when deciding if insert_loop_mem is safe. Add BLKmode MEMs
+ to loop_store_mems as necessary.
+ (loop_invariant_p): Don't check unknown_address_altered
+ or unknown_constant_address_altered.
+
+2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
+
+2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
+ print just the filename.
+ * cpplex.c (_cpp_run_directive): Add additional argument, the
+ name to give the synthetic buffer. This defaults to
+ translated "<command line>".
+ * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
+ Adjust to match.
+ (_cpp_define_builtin): New function.
+ * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
+ * cpphash.h: Update prototypes.
+
+ * tradcpp.c (main): Process -D and -U simultaneously, in the
+ order they appeared on the command line.
+
+2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-decl.c (define_label): Call warning_with_file_and_line and
+ error_with_file_and_line instead of plain warning or error.
+
+ * c-parse.in (label): Use save_filename/save_lineno to ensure
+ correct values for calls to define_label.
+
+2000-08-29 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (expand_call): Don't create a VAR_DECL just to throw it
+ away.
+ * expr.c (expand_expr, case TARGET_EXPR): Don't call
+ mark_addressable.
+ * tree.h (get_file_function_name): Remove two duplicate
+ declarations.
+
+2000-08-28 Kazu Hirata <kazu@hxi.com>
+
+ * tree.c: Fix formatting.
+
+ * xcoffout.c: Fix formatting.
+
+2000-08-28 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
+
+2000-08-28 Daniel Berlin <dberlin@redhat.com>
+
+ * dwarf2out.c (dwarf2out_finish): Don't bother calling
+ break_out_includes if it won't do anything.
+
+2000-08-28 Richard Henderson <rth@cygnus.com>
+
+ * reload.c (push_secondary_reload): Revert 2000-08-16 change.
+ (find_reloads): Likewise.
+ * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
+ (reload_inhi): Likewise.
+
+2000-08-28 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
+ (call_insn_operand): Don't expect a surrounding mem.
+ (constant_call_address_operand): Likewise.
+ * config/i386/i386.h (PREDICATE_CODES): Update.
+ * config/i386/i386.md (call patterns): Move the match_operand
+ for the call destination inside the mem.
+
+2000-08-28 Richard Henderson <rth@cygnus.com>
+
+ * local-alloc.c (requires_inout): Don't use reserved range for
+ EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
+ * recog.c (asm_operand_ok): Likewise.
+ (preprocess_constraints, constrain_operands): Likewise.
+ * regclass.c (record_reg_classes): Likewise.
+ * reload.c (find_reloads): Likewise.
+ * reload1.c (maybe_fix_stack_asms): Likewise.
+ (reload_cse_simplify_operands): Likewise.
+ * stmt.c (expand_asm_operands): Likewise.
+
+ * md.texi: Update constraints documentation.
+ * tm.texi (EXTRA_CONSTRAINT): Update.
+
+2000-08-28 Daniel Berlin <dberlin@redhat.com>
+
+ * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
+ (print_die): If we don't know the offset of the
+ target die, try the symbol. Add a trailing newline.
+ (reverse_all_dies): New fn.
+ (dwarf2out_finish): Call it.
+ (break_out_includes): Reorganize for clarity.
+ (add_sibling_attributes): Don't call reverse_die_lists.
+ (output_comp_unit): Rename from output_comdat_comp_unit. Use for
+ primary CU, too.
+ * flags.h: Add flag_eliminate_dwarf2_dups.
+ * toplev.c (f_options): Support -feliminate-dwarf2-dups.
+
+2000-08-28 Jason Merrill <jason@redhat.com>
+
+ * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
+ * dwarf2out.c: #include "md5.h".
+ (DIE_LABEL_PREFIX): New macro.
+ (dw_val_struct): Add 'external' flag to val_die_ref.
+ (add_AT_die_ref, AT_ref): Adjust.
+ (AT_ref_external, set_AT_ref_external): New fns.
+ (build_abbrev_table): Call set_AT_ref_external.
+ (value_format): Call AT_ref_external.
+ (die_struct): Add die_symbol field.
+ (new_die): Clear it.
+ (dwarf_tag_name): Handle BINCL/EINCL.
+ (dwarf2out_start_source_file): Add BINCL DIE.
+ (dwarf2out_end_source_file): Add EINCL DIE.
+ (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
+ (loc_checksum, attr_checksum, die_checksum): New fns.
+ (is_type_die, is_comdat_die, is_symbol_die): New fns.
+ (compute_section_prefix, assign_symbol_names): New fns.
+ (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
+ (output_die): Call output_die_symbol and AT_ref_external.
+ (output_comdat_comp_unit): New fn, split out from...
+ (dwarf2out_finish): ...here. Also call add_sibling_attributes for
+ secondary CUs.
+ (output_pubnames, output_aranges): Abort if we see entries from
+ secondary CUs.
+ * toplev.h: Declare file_name_nondirectory.
+ * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
+ (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
+ (debug_start_source_file): Call dwarf2out_start_source_file
+ regardless of debug verbosity.
+ (debug_end_source_file): Similarly.
+ * tree.h: Declare clean_symbol_name.
+ * tree.c (clean_symbol_name): Split out from...
+ (get_file_function_name_long): ...here.
+
+ * dwarf2out.c (new_loc_descr): Use calloc.
+ (splice_child_die): Remove the die from the right parent.
+ (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
+
+Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (decode_g_option): Don't give warning for unknown -g
+ option; return 0 instead.
+ (main): If -g option is not recognized by front end or
+ language-independent code, give warning.
+
+2000-08-28 Greg McGary <greg@mcgary.org>
+
+ * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
+ * config/i386/i386.c (ix86_expand_compare): Remove `static'.
+ * config/i386/i386.md (trap, conditional_trap): New insn & expand.
+
+2000-08-27 Greg McGary <greg@mcgary.org>
+
+ * cpplex.c (parse_string): Don't look for backslash
+ before first char in `namebuf'.
+ * loop.c (strength_reduce): Skip NOTEs.
+
+2000-08-27 Jason Merrill <jason@redhat.com>
+
+ * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
+ DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
+ TREE_ASM_WRITTEN, either.
+ (finish_decl): Adjust.
+
+2000-08-28 Philipp Thomas <pthomas@suse.de>
+
+ * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
+ they have been incorporated into the gettext CVS. Change the text to
+ reflect the current status of NLS. Add instructions for accessing
+ the gettext CVS and add the patch from Martin v. Löwis.
+
+2000-08-27 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
+ by using gen_lowpart_common.
+ (movdi_internal64+6): Likewise.
+
+2000-08-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
+ Document.
+
+ * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
+ numbers to the ranges used by GDB.
+
+2000-08-25 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (struct machine_function): Add n_varargs.
+ * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
+ (ia64_expand_prologue): Likewise.
+ (ia64_setup_incoming_varargs): Set it. Properly skip the current
+ argument for stdargs.
+
+2000-08-25 Jason Merrill <jason@redhat.com>
+
+ * integrate.c (expand_inline_function): Pull out the original decl.
+
+2000-08-25 Jim Wilson <wilson@cygnus.com>
+
+ * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
+
+ * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
+
+2000-08-25 Greg McGary <greg@mcgary.org>
+
+ * flow.c (dump_edge_info): Use ARRAY_SIZE.
+ * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
+
+2000-08-25 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.h (STRUCT_VALUE): Define to 0, not NULL.
+
+Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.c (ix86_find_base_term): New.
+ * i386-protos.h (ix86_find_base_term): Prototype.
+ * i386.h (FIND_BASE_TERM): Define.
+ * alias.c (find_base_term): Use it.
+ * tm.texi (FIND_BASE_TERM): Document it.
+
+ * alias.c (true_dependence, write_dependence_p): Unchanging
+ memory can't conflict with non-unchanging memory.
+
+ * alias.c (memrefs_conflict_p): A BLKmode reference
+ to a symbol (or CONST_INT address) always conflicts
+ with a reference to another symbol.
+
+2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (time_char_table): Don't allow width and flags with
+ "z" format.
+
+2000-08-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
+ way as LT and LTU when the second operand has 0 in low word.
+
+2000-08-26 Michael Hayes <mhayes@cygnus.com>
+
+ * basic-block.h (struct loop): Rename `exits' field to
+ `exit_edges'. Add `entry_edges' and `num_entries' fields.
+
+ * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
+ (flow_loop_entry_edges_find): Add.
+ (flow_edge_list_print): Rename from flow_exits_print.
+ (flow_loops_find): Call flow_loop_entry_edges_find.
+ (flow_loop_dump): Dump entry_edges list.
+ (flow_loops_free): Free entry_edges.
+
+2000-08-26 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (loop_dump_aux, debug_loop): New functions.
+ (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
+
+ * flow.c (flow_loops_dump): Add callback parameter.
+ (flow_loop_dump): Add callback parameter and call it. Move
+ loop note debugging code to loop_dump_aux.
+
+ * basic-block.h (flow_loop_dump): Add callback parameter
+ (flow_loops_dump): Likewise.
+
+ * toplev.c (rest_of_compilation): Add NULL callback function pointer
+ to call to flow_loops_dump.
+
+2000-08-26 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (count_loop_regs_set): Replace start and end arguments
+ with loop argument. All callers udated.
+
+2000-08-26 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (constant_high_bytes): Delete.
+
+2000-08-26 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
+ and NOTE_INSN_LOOP_VTOP to...
+ (find_and_verify_loops) ...here.
+
+Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
+ (fini_dummy, init_dummy): Use it.
+
+Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (is_macro_disabled): Caller has already checked
+ that we're not a preprocessed file.
+
+2000-08-24 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
+ (c-iterate.o): Remove target.
+ * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
+ * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
+ (finish_decl): Don't handle iterators.
+ (grokdeclarator): Likewise.
+ * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
+ * gcc/c-gperf.h: Regenerated.
+ * gcc/c-iterate.c: Removed.
+ * gcc/c-lex.c (init_lex): Don't handle iterators.
+ * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
+ (compstmt_primary_start): Remove push_iterator_stack call.
+ (stmt): Don't allow iterator statements. Replace iterator_expand
+ with expand_expr_stmt.
+ (all_iter_stmt): Remove.
+ (all_iter_stmt_simple): Likewise.
+ (all_iter_stmt_with_decl): Likewise.
+ * gcc/c-tree.h (ITERATOR_P): Remove.
+ (ITERATOR_BOUND_P): Likewise.
+ (init_iterators): Remove declaration.
+ (iterator_expand): Likewise.
+ (iterator_for_loop_start): Likewise.
+ (iterator_for_loop_end): Likewise.
+ (iterator_for_loop_record): Likewise.
+ (push_iterator_stack): Likewise.
+ (pop_iterator_stack): Likewise.
+ * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
+ (readonly_warning): Likewise.
+ * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
+
+2000-08-24 Jim Wilson <wilson@cygnus.com>
+
+ * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
+ Copy type in a TYPE_DECL, just like pushdecl does.
+
+2000-08-24 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (main): Enable flag_reorder_blocks at -O2.
+
+2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
+
+ * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
+ asked for one page, allocate GGC_QUIRE_SIZE of them and put
+ the extras on the free list.
+ (release_pages): Clean up.
+ (ggc_set_mark): Don't adjust G.allocated here...
+ (sweep_pages): ... do it here.
+
+2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (read_include_file): Rearrange initializations.
+
+2000-08-24 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
+
+ * config/ia64/ia64-protos.h: Update.
+ * config/ia64/ia64.c (gr_register_operand): New.
+ (fr_register_operand, grfr_register_operand): New.
+ (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
+ (grfr_reg_or_8bit_operand): New.
+ (gr_reg_or_0_operand): Rename from reg_or_0_operand and
+ use gr_register_operand.
+ (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
+ (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
+ (gr_reg_or_8bit_and_adjusted_operand): Likewise.
+ (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
+ (fr_reg_or_fp01_operand): Likewise.
+ (not_postinc_memory_operand): New.
+ (ia64_split_timode): Remove unused variables.
+ (rtx_needs_barrier): Check arguments to cmpxchg.
+ (builtin_description): Remove.
+ (bdesc_2argsi, bdesc_2argdi): Remove.
+ (ia64_init_builtins): Declare all builtins directly.
+ (ia64_expand_fetch_and_op): Rewrite to be called from
+ ia64_expand_builtin directly. Use expand_binop and co.
+ (ia64_expand_op_and_fetch): Likewise.
+ (ia64_expand_compare_and_swap): Likewise.
+ (ia64_expand_binop_builtin): Remove.
+ (ia64_expand_lock_test_and_set): New.
+ (ia64_expand_lock_release): New.
+ (ia64_expand_builtin): Use them.
+ * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
+ (EXTRA_CONSTRAINT): Use it.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md (*): Use gr_register_operand and co.
+ (mf): Indicate that we set memory as well as use it.
+ (fetchadd_acq_si): Show memory being modified as well.
+ (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
+ (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
+ (lock_test_and_set_si, lock_test_and_set_di): Remove.
+ (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
+ (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
+ (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
+ (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
+ (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
+ (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
+ (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
+ (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
+ * config/ia64/ia64intrin.h (*): Cast result to the appropriate
+ return type. Pretty print definitions.
+
+2000-08-24 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
+ we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
+
+2000-08-24 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
+ AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
+ (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
+ get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
+
+2000-08-24 Greg McGary <greg@mcgary.org>
+
+ * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
+ and extendtab within their proper array boundaries.
+ * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
+ for the entire array.
+
+ * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
+ * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
+ * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
+ * config/fr30/fr30.c (fr30_print_operand): Likewise.
+ * config/i386/dgux.c (output_options): Likewise.
+ * config/i386/dgux.h (ASM_FILE_START): Likewise.
+ * config/m88k/m88k.c (output_options): Likewise.
+ * config/m88k/m88k.h (ASM_FILE_START): Likewise.
+ * config/mcore/mcore.c (mcore_output_inline_const_forced,
+ layout_mcore_frame, handle_structs_in_regs): Likewise.
+ * config/mips/mips.c (output_block_move): Likewise.
+ * config/rs6000/rs6000.c (rs6000_override_options,
+ rs6000_file_start): Likewise.
+ * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
+ * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
+ * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
+ * builtins.c (expand_builtin_setjmp): Likewise.
+ * expr.c (safe_from_p): Likewise.
+ * flow.c (life_analysis): Likewise.
+ * fold-const.c (size_int_type_wide): Likewise.
+ * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
+ * genattrtab.c (make_length_attrs): Likewise.
+ * genopinit.c (gen_insn): Likewise.
+ * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
+ * global.c (global_alloc): Likewise.
+ * local-alloc.c (find_free_reg): Likewise.
+ * mips-tdump.c (print_symbol): Likewise.
+ * mips-tfile.c (parse_def, parse_input): Likewise.
+ * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
+ * stmt.c (expand_nl_goto_receiver): Likewise.
+ * stor-layout.c (set_sizetype): Likewise.
+ * varasm.c (decode_reg_name): Likewise.
+ * toplev.c (decode_f_option, decode_W_option,
+ set_target_switch, print_switch_values): Likewise.
+ (NUM_ELEM): Remove macro.
+ (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
+
+2000-08-24 Greg McGary <greg@mcgary.org>
+
+ * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
+ (MAIN_NAME_P, main_identifier_node): New macros.
+ * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
+ * c-decl.c (start_decl, grokdeclarator, start_function,
+ store_parm_decls, finish_function): Use MAIN_NAME_P.
+ * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
+ * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
+ * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
+ * config/pdp11/pdp11.c (output_function_prologue): Likewise.
+
+2000-08-24 Greg McGary <greg@mcgary.org>
+
+ * cppfiles.c (actual_directory): Don't write beyond `dir'
+ when it contains "".
+ * real.c (asctoeg): Stay within bounds of etens[][].
+
+2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dependence.c (dependence_string, direction_string,
+ dump_one_node, dump_node_dependence): Hide unused identifiers.
+ (get_low_bound, normalize_coefficients): Match definition to
+ static prototype.
+ (get_one_coefficient): Initialize variables `value0_is_idx' and
+ `value1_is_idx'.
+ (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
+ (ziv_test): Delete variable `idx', use parameter `sub' instead.
+ (direction_merge): Avoid automatic aggregate initialization.
+ (have_dependence_p): Use `src' not `dest' to set `src_idx'.
+ Initialize variables `dest_idx' and `src_idx'.
+ (end_dependence_analysis): Avoid C89 style function definition.
+
+2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (time_char_table): Don't allow width with %F.
+ (check_format_info): Don't allow "Z" length with scanf.
+
+2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (finish_diagnostic): Define.
+ (output_do_printf): Use wrap_text instead of output_add_string.
+ (default_print_error_function): Avoid embedded '\n'.
+
+ * diagnostic.h (flush_diagnostic_buffer): Declare.
+
+2000-08-23 Alexandre Oliva <aoliva@redhat.com>
+
+ * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
+
+2000-08-23 Hans-Peter Nilsson <hp@axis.com>
+
+ * Makefile.in (GCC_PASSES): Add specs.
+
+2000-08-23 Jim Wilson <wilson@cygnus.com>
+
+ * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
+ * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
+ EHANDLER nor UHANDLER bit is set.
+ (__get_except_table): Likewise.
+
+2000-08-23 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/lib1funcs.asm: Replace upper case condition codes
+ with lower case versions.
+
+ * config/arm/arm.h (STRUCT_VALUE): Define.
+ (STRUCT_VALUE_REGNUM): Delete.
+
+2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (IN_I): New flag for directive table.
+ * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
+ #pragma with IN_I.
+ (_cpp_check_directive): If -fpreprocessed, execute directives
+ marked with IN_I. Issue no warnings in this case.
+ * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
+
+2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
+ %u.
+ (check_format_info): Support printf 'I' flag; warn about it with
+ -pedantic.
+
+2000-08-23 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
+ barrier can't be ignored by the alias analysis code.
+
+2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
+ works inside fixincl.
+
+Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
+ simplify_relational_operation() unless both operands are of
+ VOIDmode.
+ * cse.c (fold_rtx): Likewise.
+
+Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
+
+ * rtlanal.c (rtx_unstable_p): The pic register is stable
+ (within one function) and the actual rtx should be used
+ when checking the registers.
+ (rtx_addr_can_trap_p): Pic memory addresses can't trap.
+
+ * alias.c (true_dependence, write_dependence_p): Fix
+ bug in previous patch.
+
+ * i386.c (ix86_GOT_alias_set): New.
+ (legitimize_pic_address): Use it.
+
+ * rtlanal.c (rtx_unstable_p): An unchanging MEM is
+ only stable if its address is stable.
+ (rtx_varies_p): An unchanging MEM can't vary if
+ its address doesn't vary.
+
+2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
+
+2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (ASM_SPEC): Pass `-J' to assembler.
+ * x-vax-gcc: New file for bootstrapping with gcc.
+ * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
+ * configure.in: Use x-vax-gcc with gcc.
+ * configure: Rebuilt.
+
+Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * toplev.c (rest_of_compilation): Rebuild label notes after
+ post-reload splitting pass if new labels have been created.
+
+2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (output_buffer_state): New macro.
+ * diagnostic.c (diagnostic_for_decl, sorry,
+ default_print_error_function, output_do_verbatim,
+ report_diagnostic, report_problematic_module): Use it.
+ (wrap_text): Tweak.
+ (output_format): Use wrap_text instead of maybe_wrap_text.
+
+2000-08-22 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
+ Common code for ARM divide and modulus functions.
+ (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
+ ARM_DIV_MOD_BODY.
+ (FUNC_END): New macro: Common code at the end of the division and
+ modulo functions.
+ (THUMB_FUNCTION_START): New macro: Common code at the start of
+ Thumb functions.
+ (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
+
+Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
+
+ * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
+ sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
+ const0_rtx.
+
+2000-08-22 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/lib1funcs.asm (__umodsi3): Before performing any
+ restorative additions, test for bottom bits of IP being set,
+ rather than relying upon the RORs not matching.
+ (__modsi3): Ditto.
+
+2000-08-22 David Edelsohn <edelsohn@gnu.org>
+
+ * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
+ text_section() as appropriate instead of emitting text csect
+ pseudo-op directly.
+ (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
+ (UNIQUE_SECTION): Define macro.
+ (ASM_OUTPUT_SECTION_NAME): Define macro.
+ * rs6000.c (rs6000_override_options): Disable -ffunction-sections
+ on AIX if debugging and -fdata-sections always.
+
+2000-08-22 Steven King <sxking@uswest.net>
+
+ * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
+ machinery.
+ (LDBL_MAX): Same here.
+
+2000-08-22 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (tidy_fallthru_edge): Update b->end properly.
+
+2000-08-22 Stan Cox <scox@redhat.com>
+
+ * Makefile.in (OBJS): Add dependence.o.
+ * dependence.c: New file.
+
+2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
+
+ * calls.c (check_sibcall_argument_overlap_1): Adjust for
+ ARGS_GROW_DOWNWARD.
+ (check_sibcall_argument_overlap): Likewise.
+
+2000-08-22 Alexandre Oliva <aoliva@redhat.com>
+
+ * invoke.texi (SH Options): Document -m4-nofpu,
+ -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
+ -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
+
+2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (check_format_info): Give the 'some locales' warning
+ for strftime %Ey rather than the unconditional 'only last 2 digits
+ of year' one.
+
+2000-08-22 Richard Henderson <rth@cygnus.com>
+
+ * alias.c (init_alias_analysis): Do not register
+ struct_value_incoming_rtx or static_chain_rtx as pointing
+ to stack memory.
+
+Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
+
+ * protoize.c (munge_compile_params): Fix typo and formatting buglets.
+
+2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (report_problematic_module): Declare.
+ * diagnostic.c (report_problematic_module): New function.
+ (report_error_function): Tweak.
+
+Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stmt.c (expand_goto_internal, fixup_gotos): Only check
+ TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
+
+2000-08-21 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (calculate_global_regs_live): Mark frame pointer live
+ everywhere before reload.
+
+2000-08-21 Jim Wilson <wilson@cygnus.com>
+
+ * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
+ INTEL_EXTENDED_IEEE_FORMAT.
+ (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
+ clear last two bytes of output FP value.
+
+2000-08-21 Graham Stott <grahams@cygnus.co.uk>
+
+ * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
+
+2000-08-21 Jakub Jelinek <jakub@redhat.com>
+
+ * unroll.c (loop_find_equiv_value): If ret is modified between
+ insn and loop_start, ret might not be equivalent to reg.
+
+2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (init_dollar_format_checking,
+ maybe_read_dollar_number, finish_dollar_format_checking): New
+ functions.
+ (dollar_arguments_used, dollar_arguments_count,
+ dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
+ New variables.
+ (check_format_info): Support $ formats for scanf and printf width
+ and precision. Always increment format_chars to advance past the
+ '*' of precision, not just when the format parameters are
+ available to check.
+
+2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.c (block_move_loop, expand_block_move,
+ function_arg_partial_nregs, save_restore_insns, function_prologue,
+ mips_expand_prologue, RA_MASK): Avoid using the `U' integer
+ constant suffix.
+ (function_arg_advance, function_arg): Match argument to format
+ specifier `%p'.
+
+2000-08-21 Nix <nix@esperi.demon.co.uk>
+
+ * gcc.c (do_spec_1): Implement %j spec flag.
+ Remove dead comment.
+
+ * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
+ * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
+ * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
+ * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
+
+ * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
+ writable) instead of hardcoded value.
+
+ * toplev.c (compile_file): Output to a file even if -fsyntax-only.
+
+ * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
+ MKTEMP_EACH_FILE.
+
+ * gcc.c (cc1_options): Do not process -o or run the assembler if
+ -fsyntax-only.
+ * objc/lang-spec.h: Likewise.
+
+2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * fixinc/fixincl.c (fix_with_system): Pipe the output of
+ "external" fixes through `cat', to avoid truncating the input
+ file by redirection.
+
+2000-08-21 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (lea_general_1): Copy insn condition to split
+ condition.
+ (lea_general_2, lea_general_3): Likewise.
+
+2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
+ warnings to user code.
+
+ * c-lex.c (readescape, yylex): Likewise.
+
+ * c-typeck.c (store_init_value, process_init_element): Likewise
+ (c_expand_start_case): Format.
+
+2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
+
+ * mips/linux.h (LINK_SPEC): Use %(endian_spec).
+
+ * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
+ and linker_endian_spec to endian_spec.
+ (ENDIAN_SPEC): Add %{EB} and %{EL}.
+ (LINK_SPEC): Remove %{EB} and %{EL}.
+ (ASM_SPEC): Likewise. Use %(endian_spec).
+
+2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-tree.h (flag_hosted): Move declaration from here...
+ * c-common.h (flag_hosted): ... to here.
+ (flag_noniso_default_format_attributes): New declaration.
+ * c-decl.c (flag_noniso_default_format_attributes): New variable.
+ (c_decode_option): Set it appropriately for options choosing
+ language standard variant.
+ * c-common.c (init_function_format_info): Only provide default
+ format attributes if flag_hosted. Only provide the gettext
+ formats if flag_noniso_default_format_attributes. Update
+ comments.
+ (check_format_info): Disable treatment of %a as a scanf flag in
+ C99 mode.
+
+2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (scan_char_table): Add 'w' to flags for all formats
+ except 'n'.
+ (check_format_info): Set 'wide' for scanf format widths. Warn for
+ a zero scanf width. Make the check for writing into a constant
+ object at the first level of indirection; at later levels, warn if
+ any type qualifiers are encountered.
+
+Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
+
+ * reload.c (reload_inner_reg_of_subreg): New function broken out of
+ push_reload.
+ (push_reload): Use reload_inner_reg_of_subreg.
+ (combine_reloads): Do not combine reloads if the input reload
+ is a SUBREG in which the inner part will need reloading.
+
+ * global.c (global_alloc): Avoid passing dumpfile argument to
+ reload routines.
+ * toplev.c (rest_of_compilation): Likewise.
+ * reload.h (reload): Remove dumpfile argument. Callers changed.
+ (debug_reload, debug_reload_to_stream): Move prototypes here.
+ * rtl.h (reload): Remove dumpfile argument.
+ * reload.c (debug_reload): Remove prototype.
+ (debug_reload_to_stream): Likewise.
+ * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
+ instead.
+
+2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
+
+ * diagnostic.c (context_as_prefix): Export.
+ (need_error_newline): Remove.
+ (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
+ (error_module_changed, record_last_error_module,
+ error_function_changed, record_last_error_function): New functions.
+ (initialize_diagnostics): Default initialize
+ lang_diagnostic_starter, lang_diagnostic_finalizer.
+ (init_output_buffer): Tweak.
+ (file_name_as_prefix): New function.
+ (announce_function, default_print_error_function,
+ report_error_function, set_diagnostic_context): Tweak.
+
+2000-08-21 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (init_propagate_block_info): Handle SUBREG in a jump
+ condition expression.
+
+2000-08-20 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
+
+2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_init): Set global flag when called.
+ (cpp_reader_init): Bomb out if cpp_init hasn't been called.
+
+Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
+
+ * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
+ before `process_directive' so that newlines won't be missed
+ for directives.
+ (cpp_printf): Increment `print->lineno' when newline is emitted.
+
+ * cppmain.c (cb_ident): Likewise.
+ (cb_define): Likewise.
+ (cb_undef): Likewise.
+ (cb_include): Likewise.
+ (cb_def_pragma): Likewise.
+ (dump_macros_helper): Likewise.
+
+2000-08-20 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
+ assigned before a loop.
+
+ * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
+ (ashrsi3, lshrsi3): Likewise.
+
+2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * c-lang.c: #include diagnostic.h
+ (c_tree_printer): New function.
+ (lang_init): Initialize lang_printer.
+
+ * Makefile.in (c-lang.o): Depends on diagnostic.h
+
+2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
+
+ * diagnostic.c (default_diagnostic_starter,
+ default_diagnostic_finalizer): New functions.
+ (diagnostic_for_asm, diagnostic_for_decl): Tweak.
+ (pedwarn, pedwarn_with_file_and_line, error,
+ error_with_file_and_line, fatal, warning,
+ warning_with_file_and_line): Adjust call to report_diagnostic.
+ (report_diagnostic): Rework.
+ (set_diagnostic_context): New function.
+
+ * diagnostic.h (struct diagnostic_context): New data structure.
+ (diagnostic_message, diagnostic_argument_list,
+ diagnostic_file_location, diagnostic_line_location,
+ diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
+ diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
+ (set_diagnostic_context): Declare.
+ (report_diagnostic): Change prototype.
+
+Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
+
+ * fix-header.c (main): Initialize cpplib.
+
+2000-08-19 Michael Meissner <meissner@redhat.com>
+
+ * ifcvt.c (find_if_block): Do not assume that a THEN block has any
+ instructions in it before checking for indirect jumps.
+
+ * ifcvt.c (find_if_block): Do not consider a THEN block that ends
+ in an indirect jump as a potential for conditional execution.
+
+ * d30v.h (d30v_init_expanders): Don't declare here.
+ * d30v-protos.h (d30v_init_expanders): Declare here with a valid
+ prototype.
+
+Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
+
+ * cpp.texi: Add @section for assertions.
+
+Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
+
+ * loop.c (scan_loop): Use CONST_CALL_P instead of
+ checking for REG_LIBCALL / REG_RETVAL.
+
+Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload_as_needed): Accept dumpfile argument,
+ pass it to emit_reload_insns.
+ (emit_reload_insns): Add new dumpfile argument. If non-null
+ then dump the reloads for each insn into the dumpfile.
+ (reload): Pass dumpfile to reload_as_needed.
+
+ * invoke.texi: Clean up linux-gnu vs linux comments.
+
+2000-08-19 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (reg_or_5bit_operand): New.
+ (ia64_depz_field_mask): New.
+ * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md: Update commentary.
+ (depz_internal): New.
+ (ashlsi3): Implement directly.
+ (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
+ (ashldi3): Use shladd.
+ * config/ia64/ia64-protos.h: Update.
+
+2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * toplev.c (independent_decode_option): Always process -g.
+ Remove third argument, now unused. Adjust caller to match.
+
+2000-08-18 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (make_compound_operation): Break after creating
+ the extraction.
+
+2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (cpp_register_pragma_space): Just return if the
+ namespace is already registered.
+
+2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
+ constant amount. Do not generate ROTL instruction.
+
+Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/elf.h: Do not include sh/sh.h.
+ * config/sh/rtems.h: Likewise.
+ * config/sh/rtemself.h: Do not include sh/elf.h.
+ * configure.in: Get them included with `tm_file's.
+ * configure: Rebuilt.
+
+ * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
+ * config/sh/sh.c (fpscr_set_from_mem): Use them.
+
+Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (compute_record_type): Don't use mode of single
+ field as mode of record if not integer mode of same type.
+
+ * regmove.c (perhaps_ends_bb_p): New function.
+ (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
+ (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
+ (fixup_match_1): Likewise.
+ (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
+ avoid signed/unsigned warnings.
+
+ * function.c (fixup_var_refs_1, case MEM): Update CODE after
+ updating X.
+
+Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
+ (_cpp_trigraph_map): Declaration moved from cpplex.c
+
+ * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
+ instead of 256. Use consistent test for designated initializers.
+ (cpp_init): Initialize trigraph_map.
+ (initialize_standard_includes, parse_option): Use memcmp
+ instead of strncmp.
+
+ * cpplex.c (init_trigraph_map): Remove.
+ (trigraph_ok, trigraph_replace, lex_line): Refer to
+ _cpp_trigraph_map.
+
+ * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
+ (do_unassert): Remove unused "next" local.
+
+ * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
+
+2000-08-18 Emmanuel Marty <emarty@suntech.fr>
+
+ * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
+ insn.
+
+2000-08-17 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (spill_restore_mem): Handle emitting
+ the first insn in a sequence.
+
+Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
+
+ * alias.c (true_dependence, write_dependence_p): A read
+ involving a label_ref or the constant pool doesn't create
+ a dependency.
+
+ * rtl.h (unchanging): Improve documentation.
+
+2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
+
+ * cse.c (insert_regs): Remove unused `regno'.
+
+2000-08-17 Neil Booth <NeilB@earthling.net>
+
+ * (cppinit.c) merge_include_chains: Use remove_dup_dir,
+ remove_dup_dirs. If qtail == brack, remove brack not
+ qtail.
+ (remove_dup_dir, remove_dup_dirs): New functions.
+
+2000-08-17 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (cpp_cleanup): Free include dir chains.
+ * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
+ (do_unassert): Free the assert with _cpp_free_definition.
+ * cppmacro.c (_cpp_free_definition): Free memory allocated for
+ assertions. Make the node a T_VOID node.
+
+2000-08-17 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (path_include, append_include_chain):
+ Remove 2nd parameter (struct cpp_pending *).
+ (path_include, initialize_standard_includes, cpp_handle_option):
+ Update callers appropriately.
+ (cpp_handle_option): Use pend.
+
+2000-08-17 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (sort_options): Remove, put functionality in
+ cpp_init.
+ (cpp_init): New.
+ (initialize_builtins): Free memory.
+ (cpp_start_read): Move init_IStable to cpp_init.
+
+ * cpplib.h (cpp_init): New prototype.
+ * cppmain.c (main): Call cpp_init.
+
+Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
+
+ * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
+ (rtx_unstable_p, rtx_varies_p): Process vectors.
+
+2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
+ references to GLOBAL symbols. Use LOCAL where appropriate.
+
+2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
+ use t-aix41 when host == target.
+
+2000-08-16 Richard Henderson <rth@cygnus.com>
+
+ * reload.c (push_secondary_reload): Revert last change.
+ If we use a reload_in/out pattern, make the when the same
+ as the primary reload.
+ (find_reloads): Likewise.
+
+2000-08-16 Manfred Hollstein <manfredh@redhat.com>
+
+ * configure.in (libstdcxx-v3): Fix test.
+ * configure: Regenerate.
+
+Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c (calls_function_1, expand_call): Only test
+ TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
+ * function.c (thread_prologue_and_epilogue_insns): Likewise.
+
+2000-08-16 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (simplify_shift_const): Revert previous two
+ changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
+ before the main loop.
+
+2000-08-15 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (simplify_shift_const): Bound shift count when
+ combining shifts.
+
+Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c (ECF_SP_DEPRESSED): New macro.
+ (calls_function_1): Treat calling sp-depressed function as alloca.
+ (emit_call_1): Don't adjust SP if calling sp-depressed function.
+ (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
+ If sp-depressed, ensure block saves and restores SP.
+ * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
+ for INTEGER_TYPE.
+ * function.c (keep_stack_depressed): New function.
+ (thread_prologue_and_epilogue_insns): Call it.
+ * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
+ to print DECL_OFFSET_ALIGN.
+ Print no-force-blk and transparent-union flags properly.
+ * stmt.c (expand_goto_internal): Don't restore stack if last block
+ and function returns with sp depressed.
+ (fixup_gotos): Likewise.
+ (save_stack_pointer): New function, from code in expand_decl.
+ (expand_decl): Call new function.
+ * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
+ (TYPE_RETURNS_STACK_DEPRESSED): New macro.
+ (save_stack_pointer): New declaration.
+
+ * diagnostic.c (fatal_function): New variable.
+ (set_fatal_function): New function.
+ (fatal): Call it.
+ * diagnostic.h (set_fatal_function): New declaration.
+
+2000-08-15 William Cohen <wcohen@redhat.com>
+
+ * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
+ (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
+ (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
+
+2000-08-15 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
+
+2000-08-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_function_ok_for_sibcall): New function.
+ * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
+ * arm.md (call expanders): Don't check here for calls that can't
+ be sibling calls.
+
+2000-08-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (splits generating cond_exec): Disable.
+
+2000-08-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm/linux-elf.h (text_section): Delete declaration.
+
+2000-08-15 Richard Earnshaw <rearnsha@arm.com>
+
+ ARM support for unordered FP operations.
+ * arm-protos.h (arm_comparison_operator): Declare.
+ * arm.c (arm_comparison_operator): New function.
+ (arm_select_cc_mode): Add unordered comparison codes.
+ (get_arm_condition_code): Likewise.
+ (arm_final_prescan_insn): Can't handle unordered jumps that can't
+ be done in one insn.
+ * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
+ * arm.md (all uses of comparison_operator): Replace with
+ arm_comparison_operator.
+ (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
+ expands.
+ (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
+ patterns.
+
+Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * gthr-posix.h: Conditionally include <sched.h>; include
+ <config.h> from libobjc/.
+
+2000-08-14 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/i386.c (legitimize_pic_address): Use Pmode
+ for all CONSTs.
+
+2000-08-14 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (ia64-*): Set float_format for i386 long double.
+
+ * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
+ as we would for i386 XFmode.
+ (PUT_REAL): Likewise.
+ (endian, ereal_atof, real_value_truncate): Likewise.
+ (ereal_isneg, toe64, etens, make_nan): Likewise.
+ * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
+
+ * config/ia64/ia64-protos.h: Update.
+ * config/ia64/ia64.c (general_tfmode_operand): New.
+ (destination_tfmode_operand): New.
+ (tfreg_or_fp01_operand): New.
+ (ia64_split_timode): New.
+ (spill_tfmode_operand): New.
+ (ia64_expand_prologue): Use TFmode not XFmode.
+ (ia64_expand_epilogue): Likewise.
+ (ia64_function_arg): Likewise.
+ (ia64_function_arg_advance): Likewise.
+ (ia64_return_in_memory): Likewise.
+ (ia64_function_value): Likewise.
+ (ia64_print_operand): Likewise.
+ (ia64_register_move_cost): Set GR<->FR to 5.
+ (ia64_secondary_reload_class): Get GR for TImode memory op.
+ * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
+ (ROUND_TYPE_ALIGN): Remove.
+ (LONG_DOUBLE_TYPE_SIZE): Set to 128.
+ (INTEL_EXTENDED_IEEE_FORMAT): Define.
+ (HARD_REGNO_NREGS): Use TFmode, not XFmode.
+ (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
+ (MODES_TIEABLE_P): Use TFmode, not XFmode.
+ (CLASS_MAX_NREGS): Likewise.
+ (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md (movti): New.
+ (movti_internal): Use a clobber for memory alternatives.
+ (reload_inti, reload_outti): New.
+ (movsfcc_astep): Predicate properly.
+ (movdfcc_astep): Likewise.
+ (movxf): Remove.
+ (movtf): New.
+ (extendsftf2, extenddftf2): New.
+ (trunctfsf2, trunctfdf2): New.
+ (floatditf2, fix_trunctfdi2): New.
+ (floatunsditf2, fixuns_trunctfdi2): New.
+ (addtf3, subtf3, multf3, abstf2): New.
+ (negtf2, nabstf2, mintf3, maxtf3): New.
+ (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
+ (cmptf): New.
+ (fr_spill): Use TFmode, not XFmode.
+ (fr_restore): Likewise.
+ * config/ia64/lib1funcs.asm (__divtf3): New.
+ * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
+
+2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cse.c (fold_rtx): Avoid empty body in an if-statement.
+
+ * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
+ `U' integer constant suffix.
+
+ * dwarf2out.c (add_subscript_info): Avoid empty body in an
+ else-statement.
+
+ * sparc/sol2.h (__enable_execute_stack): Prototype.
+
+2000-08-14 David Edelsohn <edelsohn@gnu.org>
+
+ * collect2.c: Remove use of AIX import file.
+
+ * longlong.h: Test ARCH_PWR not ARCH_POWER.
+
+ * rs6000.c (print_operand, case 'E'): Add else.
+
+2000-08-14 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
+ (movdi_symbolic): New.
+
+2000-08-14 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
+ to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
+ * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
+ to GNU as.
+
+2000-08-14 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (emit_group_load): Don't force constants into registers.
+ Special case source already in the correct mode.
+
+2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
+ * fixinc/inclhack.def: Likewise.
+ * fixinc/mkfixinc.sh: Likewise.
+ * configure: Regenerate.
+ * fixinc/fixincl.x: Regenerate.
+ * install.texi: Document equivalence of linux and linux-gnu.
+
+Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * cse.c (insert_regs): Also in REG case: When finding an invalid
+ value, and we make a new quantity, make sure that it won't be
+ mistaken by for a valid one by mention_regs.
+
+2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
+
+ * h8300.md: Remove obsolete peepholes.
+
+2000-08-13 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (H8/300 Options): Fix typos.
+ * config/h8300.c: Fix formatting.
+ * config/h8300.h: Fix comment typos.
+ (OVERRIDE_OPTIONS): Fix formatting.
+
+ * function.c: Fix formatting.
+
+ * cse.c: Fix formatting.
+
+2000-08-13 Geoff Keating <geoffk@cygnus.com>
+
+ * flow.c (attempt_auto_inc): Remove unused variable `bb'.
+ (attempt_auto_inc): Suppress parentheses warning.
+ * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
+ * loop.c (load_mems): Remove `u' suffix in two places.
+ * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
+ hex constants.
+ * config/rs6000/rs6000.h: Likewise.
+ * config/rs6000/sol-c0.c: Prototype some functions. Remove the
+ __eabi dummy routine.
+ * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
+ variable `buf_ptr'.
+
+ * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
+ not put stuff in .sdata unnecessarily.
+ (rs6000_unique_section): New function.
+ * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
+ * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
+
+ * c-typeck.c (build_array_ref): Don't complain about non-lvalue
+ arrays in C99. Don't try to look at DECL_REGISTER of a
+ COMPONENT_REF. Don't complain twice about the same error.
+
+ * fixinc/inclhack.def (aix_pthread): New fix.
+ (aix_sysmachine): New fix.
+ * fixinc/fixincl.x: Regenerate.
+
+ * expr.c (expand_expr): Call convert_modes when turning a large
+ multiply into a small one.
+
+2000-08-12 Geoff Keating <geoffk@cygnus.com>
+
+ * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
+ the tree structure an exponent rather than an explicit alignment
+ so it doesn't overflow.
+ (SET_DECL_OFFSET_ALIGN): New macro.
+ * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
+ rather than DECL_OFFSET_ALIGN.
+ (place_field): Likewise.
+ * expmed.c (store_bit_field): Abort on align==0 to avoid
+ antisocial machine behavior.
+
+2000-08-12 Richard Henderson <rth@cygnus.com>
+
+ * sibcall.c (uses_addressof): Accept both addressof and
+ current_function_internal_arg_pointer inside a mem.
+ (optimize_sibling_and_tail_recursive_call): Fail tail recursion
+ if current_function_uses_addressof.
+ * stmt.c (expand_return): Kill tail recursion and HAVE_return
+ optimizations.
+
+2000-08-11 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (addsi3): Remove expander.
+ (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
+ (*addsi3_shladd): New.
+
+2000-08-11 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
+ (do_restore): Likewise.
+ (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
+ (ia64_expand_prologue, ia64_expand_epilogue): Use them.
+ (rtx_needs_barrier): Track actual bit manipulation for
+ ar.unat moves, gr_spill, and gr_restore.
+ (emit_insn_group_barriers): Special case gr_spill/gr_restore.
+ (process_set): Don't handle varargs spills.
+ * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
+ .mem.offset here instead of in process_set.
+ (gr_restore): Likewise.
+
+2000-08-11 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
+
+2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * gcc.texi (The Configuration File): Document
+ COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
+ UPDATE_PATH_HOST_CANONICALIZATION.
+
+2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
+ unprototyped function pointer casts on integer constants.
+
+2000-08-11 Laurynas Biveinis <lauras@softhome.net>
+
+ * fixproto: Recognize DOS paths with drive letters as absolute paths.
+
+2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
+
+ * extend.texi (Volatiles): Fix typos.
+
+2000-08-11 Kazu Hirata <kazu@hxi.com>
+
+ * flow.c: Fix formatting.
+
+2000-08-11 Richard Henderson <rth@cygnus.com>
+
+ * reload.c (push_secondary_reload): When invoking a reload_{in,out}
+ pattern, always allocate a tertiary scratch register.
+
+ * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
+ (reload_inhi): Likewise.
+
+2000-08-11 Richard Henderson <rth@cygnus.com>
+
+ * function.c (put_reg_into_stack): Allow type to be NULL.
+ (schedule_fixup_var_refs): Likewise.
+ (gen_mem_addressof): Allow decl to be NULL.
+ (put_addressof_into_stack): Likewise.
+
+ * flow.c (merge_blocks_nomove): Be more careful about
+ locating the beginning of block A.
+
+ * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
+
+Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * configure.in:
+ * configure:
+ * gthr-posix.h:
+ * config.in: Reverted the check for <sched.h>.
+
+2000-08-10 Chris Demetriou <cgd@sibyte.com>
+
+ * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
+ macros define the name of CTOR and DTOR sections.
+ (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
+ DTOR_LIST_END): Change to use attributes to specify
+ sections.
+ * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
+ (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
+ DTOR_LIST_END): Same as in mips/elf.h.
+
+2000-08-10 Drew Moseley <dmoseley@redhat.com>
+
+ * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
+ disabling just crt0.o.
+
+2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
+
+ * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
+ (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
+ (EXTRA_SPECS): Add them.
+ * arm/lib1funcs.asm: Support builds for interworking.
+ Use macros to eliminate duplicated pieces of code.
+
+2000-08-10 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c (expand_a_rotate): New.
+ (emit_a_rotate): Likewise.
+ (h8300_adjust_insn_length): Add support for the rotate insns.
+ * h8300.md (rotlqi3): New.
+ (*rotlqi3_1): Likewise.
+ (rotlhi3): Likewise.
+ (*rotlhi3_1): Likewise.
+ (rotlhi3): Likewise.
+ (*rotlhi3_1): Likewise.
+ * h8300-proto.h: Add prototypes for expand_a_rotate and
+ emit_a_rotate.
+
+ * h8300.c: Fix comment typos.
+ (dosize): Declare the variable amount as unsigned.
+ (get_shift_alg): Fix a comparison between signed and unsigned.
+ (emit_a_shift): Likewise.
+ (h8300_adjust_insn_length): Simplify the code.
+
+ * c-decl.c: Fix formatting.
+
+2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
+ warning about non-traditional numeric constant suffixes.
+
+ * cppexp.c (parse_number): Likewise.
+
+ * invoke.texi: (-Wtraditional): Document new behavior.
+
+Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * gthr-posix.h: Include auto-host.h. Conditionally include
+ <sched.h>.
+ * configure.in: Check for the <sched.h> header file.
+ * config.in: Added define for HAVE_SCHED_H.
+
+2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-typeck.c (process_init_element): For -Wtraditional, warn about
+ initialization of unions.
+
+ * invoke.texi (-Wtraditional): Document new behavior.
+
+2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
+ instead of extra_c_flags.
+ (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * cpperror.c (cpp_type2name): New function.
+ * cpplex.c (lex_line): If we issued an error for an invalid
+ preprocessing directive, discard that logical line.
+ * cpplib.c (do_line): Call a hook function if the current file
+ is renamed by #line.
+ (do_ident): Pass the contents of the string, not the entire
+ token, to the callback function.
+ * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
+ (cb.rename_file): New hook function.
+ (cb.ident): Adjust prototype.
+ (cpp_type2name): Prototype.
+ * cppmacro.c (dump_macro_args): Correct precedence lossage.
+
+ * cppmain.c (cb_ident): Update for changed interface.
+ (cb_rename_file): New function.
+ (main): Set rename callback.
+
+2000-08-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * caller-save.c (mark_referenced_regs): Mark partially-overwritten
+ multi-word registers.
+
+2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (combine_strings, check_format_info): Refer to ISO C
+ or ISO C89 instead of ANSI C.
+ * c-decl.c (grokdeclarator, xref_tag, finish_struct,
+ build_enumerator, do_case): Likewise.
+ * c-lex.c (parse_float, yylex): Likewise.
+ * c-parse.in: Likewise.
+ * c-typeck.c (common_type, build_array_ref, build_binary_op,
+ build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
+ build_c_cast, convert_for_assignment, set_init_index,
+ set_init_label, c_expand_start_case): Likewise.
+ * toplev.c (documented_lang_options, display_help): Likewise.
+
+2000-08-08 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c: Fix formatting.
+ * h8300.h: Likewise.
+ * h8300.md: Likewise.
+ (movsi_h8300hs): Fix formatting of the resulting assembly code.
+
+ * reload1.c: Fix formatting.
+
+2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
+
+ * alpha/alpha.c (alpha_emit_xfloating_libcall):
+ Use GEN_CALL_VALUE define.
+ * alpha/alpha.md (untyped_call): Use GEN_CALL define.
+ * clipper/clipper.md (untyped_call): Likewise.
+ * dsp16xx/dsp16xx.md (untyped_call): Likewise.
+ * fx80/fx80.md (untyped_call): Likewise.
+ * mips/mips.md (untyped_call): Likewise.
+ * ns32k/ns32k.md (untyped_call): Likewise.
+ * pa/pa.md (untyped_call): Likewise.
+ * romp/romp.md (untyped_call): Likewise.
+ * sparc/sparc.md (untyped_call): Likewise.
+
+2000-08-08 Jason Eckhardt <jle@cygnus.com>
+
+ * config/i860/i860.c (singlemove_string): Do not generate assembler
+ pseudo instructions that must be expanded (that is, with signed
+ constants larger than 16 bits).
+
+2000-08-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
+ PROP_AUTOINC at -O0. Don't collect alias info at -O0.
+ (init_propagate_block_info): Don't kill memory stores at -O0.
+ (mark_set_1, mark_used_regs): Likewise.
+
+2000-08-08 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (optimization_options): Decorate 'level' as
+ ATTRIBUTE_UNUSED.
+ (mask64_operand): Remove sign-extend thinko.
+ (rldic_operand): New function.
+ (load_multiple_operation): regno's are unsigned ints.
+ (store_multiple_operation): Likewise.
+ (lmw_operation): Likewise.
+ (stmw_operation): Likewise.
+ (includes_lshift_p): shift_mask is unsigned int.
+ (includes_lshift64_p): New function.
+ (addrs_ok_for_quad_peep): unsigned int reg1.
+ (print_operand): Consistently add "else" after
+ output_operand_lossage().
+ (print_operand, case 'b'): Fold in case 'W'.
+ (print_operand, case 'W'): Print rldic MB value.
+ (output_epilogue): Update Objective-C language string.
+ (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
+ * rs6000.h (PREDICATE_CODES): Add rldic_operand.
+ * rs6000.md (ashldi3): Add rldic instruction.
+ (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
+ (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
+ modifier.
+
+2000-08-08 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h: Remove duplicates. Update
+ for massive code rearrangements.
+ * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
+ (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
+ (ia64_local_regs, ia64_need_regstk): Remove.
+ (ar_ccv_reg_operand): New.
+ (ia64_gp_save_reg): New.
+ (struct ia64_frame_info): Combine most of the size elements;
+ add new gr save elements.
+ (find_gr_spill): New.
+ (next_scratch_gr_reg): New.
+ (mark_reg_gr_used_mask): New.
+ (ia64_compute_frame_size): Rewrite. Allocate special AR regs
+ to GR backing store regs when possible.
+ (ia64_initial_elimination_offset): New.
+ (ia64_rap_fp_offset): Remove.
+ (save_restore_insns): Remove.
+ (setup_spill_pointers): New.
+ (finish_spill_pointers): New.
+ (spill_restore_mem): New.
+ (do_spill, do_restore): New.
+ (ia64_expand_prologue): Rewrite to use them.
+ (ia64_expand_epilogue): Likewise.
+ (ia64_direct_return): Update for current_frame_info changes.
+ (ia64_function_prologue): Simplify .prologue emission. Emit
+ .spill when needed.
+ (ia64_setup_incoming_varargs): Don't ever emit rtl.
+ (ia64_dbx_register_number): New.
+ (ia64_initialize_trampoline): New.
+ (ia64_secondary_reload_class): Request GR_REGS for integer
+ arithmetic destined for FR_REGS.
+ (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
+ (ia64_mark_machine_status): Mark ia64_gp_save.
+ (rws_access_regno): Rename from rws_access_reg; don't treat
+ predicates specially.
+ (rws_access_reg): New. Update all callers.
+ (rtx_needs_barrier): Remove dead unspecs.
+ (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
+ (ia64_encode_section_info): Silence signed/unsigned warnings.
+ (spill_offset, sp_offset, spill_offset_emitted): Remove.
+ (tmp_reg, tmp_saved): Remove.
+ (process_set): Rewrite to expect complicated bits via
+ REG_FRAME_RELATED_EXPR.
+ (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
+ in the use of ar.ccv; never set RTX_UNCHANGING_P.
+ (ia64_expand_op_and_fetch): Likewise.
+ (ia64_expand_compare_and_swap): Likewise.
+ (ia64_expand_builtin): Likewise.
+ * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
+ (FIRST_PSEUDO_REGISTER): Update.
+ (AR_M_REGNO_P): Update.
+ (FIXED_REGS): Don't mark three local registers as used.
+ (EXTRA_CC_MODES): New.
+ (SELECT_CC_MODE): New.
+ (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
+ (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
+ (FRAME_GROWS_DOWNWARD): Unset.
+ (STARTING_FRAME_OFFSET): Zero.
+ (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
+ (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
+ (HARD_FRAME_POINTER_REGNUM): New.
+ (CAN_DEBUG_WITHOUT_FP): Define.
+ (TRAMPOLINE_TEMPLATE): Remove.
+ (TRAMPOLINE_SIZE): Lower to 32.
+ (TRAMPOLINE_ALIGNMENT): Lower to 64.
+ (INITIALIZE_TRAMPOLINE): Defer to out of line function.
+ (PREDICATE_CODES): Update.
+ (struct machine_function): Add ia64_gp_save.
+ * config/ia64/ia64.md: Purge unused unspecs.
+ (movsi patterns): Allow moves to/from AR_M_REGS.
+ (movdi patterns): Allow moves to/from p0.
+ (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
+ (gr_spill, gr_restore): Indicate ar.unat read/written.
+ (nonlocal_goto): Don't pass old frame_pointer.
+ (nonlocal_goto_receiver): Remove.
+ (exception_receiver): New.
+ (builtin_setjmp_setup): New.
+ (builtin_setjmp_receiver): New.
+ * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
+ (__ia64_nonlocal_goto): Bundle. Don't kill r7.
+ (__ia64_restore_stack_nonlocal): Likewise.
+ (__ia64_trampoline): New.
+ * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
+ function.
+ * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
+
+2000-08-08 Richard Henderson <rth@cygnus.com>
+
+ * frame.h (ia64_frame_state): Add my_psp.
+ * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
+ (__throw): Pass it in. Don't clobber r7.
+ * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
+ (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
+ and nothing to do with sp.
+ (normalize_reg_loc): Use frame->my_psp.
+ (frame_translate): Handle frame-pointer-less functions. Set
+ spill_base correctly, in absence of being told.
+ (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
+ (__ia64_backtrace_helper): New sp argument. Use
+ builtin_return_address instead of label addresses.
+ (print_record) [mem_stack_v]: No size member.
+
+2000-08-08 Richard Henderson <rth@cygnus.com>
+
+ * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
+
+2000-08-08 Richard Henderson <rth@cygnus.com>
+
+ * tm.texi (LOCAL_REGNO): Document.
+ * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
+ (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
+ * reload1.c (reload): Likewise when considering nonlocal labels.
+
+ * config/ia64/ia64.h (LOCAL_REGNO): New.
+ * config/sparc/sparc.h (LOCAL_REGNO): New.
+
+2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
+
+2000-08-07 Nick Clifton <nickc@redhat.com>
+
+ * config/mips/mips.c: Fix compile time warning messages.
+ * config/mips/mips-protos.h: Add prototype for equality_op.
+
+ * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
+
+2000-08-07 Graham Stott <grahams@cygnus.co.uk>
+
+ * mn10300.md: Use nonimmediate_operand instead of general_operand
+ on output operands.
+
+ * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
+
+2000-08-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
+ * sh.c (expand_block_move): Break long lines.
+ (expand_ashiftrt, fpscr_set_from_mem): Likewise.
+ * sh.md (mulsi3): Likewise.
+ (movdi): Adjust spacing.
+
+2000-08-07 Richard Henderson <rth@cygnus.com>
+
+ * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
+ * expr.c (emit_group_store): Don't set it.
+
+2000-08-07 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (Options for Debugging Your Program or GCC): Remove
+ duplicate entries for 'w' and 'z'.
+
+ * flow.c: Fix a comment typo.
+
+Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * c-parse.in: Changed the language string for Objective-C to "GNU
+ Objective-C".
+
+Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
+ to improve the Posix thread support for Objective-C.
+
+2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
+ CTI_UNSIGNED_PTRDIFF_TYPE.
+ (signed_size_type_node): Define.
+ (unsigned_ptrdiff_type_node): Define.
+ * c-decl.c (init_decl_processing): Create the
+ signed_size_type_node and unsigned_ptrdiff_type_node types.
+ * c-common.c (T_SC): Define.
+ (T_SST): Define.
+ (T_UPD): Define.
+ (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
+ %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
+ %s and %p.
+ (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
+ %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
+ flags for %c, %s and %[.
+ (check_format_info): Only allow leniency for signedness of targets
+ of character pointers (when pedantic) for formats flagged with
+ "c", so for strings but not for %hh formats. When pedantic, don't
+ allow character pointers to substitute for void pointers if a
+ second level of indirection is present.
+
+2000-08-06 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (Options for Debugging Your Program or GCC): Update
+ the names of dump files.
+
+ * h8300.c (dosize): Rearrange code for conciseness.
+ (split_adds_subs): Likewise.
+
+ * loop.c: Fix formatting.
+
+ * dwarf2out.c: Fix formatting.
+
+ * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
+
+ * expr.c: Fix formatting.
+
+2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rs6000.c (rs6000_maybe_dead): Prototype.
+
+2000-08-06 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
+ HAVE_nonlocal_goto as well.
+ * config/i960/i960.md (nonlocal_goto): Don't do it here.
+ * config/pj/pj.md (nonlocal_goto): Likewise.
+
+2000-08-07 Michael Hayes <mhayes@cygnus.com>
+
+ * loop.c (try_swap_copy_prop): New function.
+ (load_mems): Rename copies to load_copies and add new regset
+ store_copies. Check for sets of shadow registers and mark
+ in store_copies. Call try_swap_copy_prop for registers
+ marked in store_copies.
+
+Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * objc/objc-act.c: New command line option -fconstant-string-class
+ to allow specifying a user defined constant string class,
+ different from NXConstantString.
+
+ * toplev.c: Moved the Objective-C specific options to
+ objc/lang-options.h.
+
+ * objc/lang-options.h: Moved the Objective-C specific options from
+ toplev.c. Added -fconstant-string-class.
+
+2000-08-05 Chris Demetriou <cgd@sibyte.com>
+
+ * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
+ DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
+ __CTOR_LIST__ from func_ptr array to just func_ptr, to
+ avoid extra alignment imposed on arrays.
+ * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
+ DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
+
+ * mips.h: Clean up comments and spacing near MASKs.
+ (TARGET_UNIX_ASM): Delete.
+ (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
+ MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
+ values contiguous.
+
+2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (print_char_table): Add entries for the X/Open '
+ format flag (print decimals with locale's thousands grouping
+ character). Make %C expect wint_t.
+ (check_format_info): If pedantic, warn when the %n$ operand
+ number form is used. Allow for the ' flag; warn about it if
+ pedantic.
+
+2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
+ type is a float mode, cfun->decl's return type is not, and
+ TARGET_FLOAT_RETURNS_IN_80387.
+
+2000-08-04 Andreas Schwab <schwab@suse.de>
+
+ * cppmain.c (cb_def_pragma): Skip the first two tokens from the
+ token list, which are always `#' and `pragma'.
+
+2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tree.c (tree_expr_nonnegative_p): Move to...
+ * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
+ (rtl_expr_nonnegative_p): New.
+ * tree.h: Add prototype for rtl_expr_nonnegative_p.
+
+ * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
+ CONST_DOUBLE_CHAIN: Move to...
+ * rtl.h: ...here. Use XCINT/XCEXP.
+
+ * Makefile.in: Remove toplev.o from OBJS. Add rule to make
+ libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
+ variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
+ to VOL_FILES.
+
+ * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
+
+2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * config/c4x/c4x.md (return_indirect_internal): New.
+ * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
+
+2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (time_char_table): Mark up formats added in C99 and
+ make other corrections. %D and %g were added in C99. %Og is an
+ extension. %EX is permitted. %R, %T, %n, %r, %t were added in
+ C99. %e was added in C99. %Oj is an extension. %G and %z are in
+ C99 rather than GNU extensions, but %OG and %Oz are extensions.
+ %h was added in C99. %C was added in C99. %OY and %OC are
+ extensions. Add the C99 format %F.
+ (check_format_info): If pedantic and not in C99 mode, warn for C99
+ formats, %E and %O.
+
+Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * function.c (schedule_fixup_var_refs): New function, broken out
+ of put_reg_into_stack.
+ (put_reg_into_stack): Use it.
+ (put_var_into_stack): In CONCAT case, fixup up references for
+ components only after fixing up references to the whole concat.
+
+2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * alias.c (mark_constant_function): Use INSN_P.
+ (init_alias_analysis): Likewise.
+ * combine.c (combine_instructions): Use INSN_P.
+ (can_combine_p): Likewise.
+ (try_combine): Likewise.
+ (distribute_notes): Likewise.
+ (distribute_links): Likewise.
+ * cse.c (cse_around_loop): Use INSN_P.
+ (invalidate_skipped_block): Likewise.
+ (cse_set_around_loop): Likewise.
+ (cse_end_of_basic_block): Likewise.
+ (delete_trivially_dead_insns): Likewise.
+ * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
+ (unshare_all_rtl_1): Likewise.
+ (next_cc0_user): Likewise.
+ (try_split make_insn_raw): Likewise.
+ (remove_unnecessary_notes): Likewise.
+ * final.c (shorten_branches): Use INSN_P.
+ (leaf_renumber_regs): Likewise.
+ (leaf_renumber_regs_insn): Likewise.
+ * flow.c (find_label_refs): Use INSN_P.
+ (verify_wide_reg): Likewise.
+ (notice_stack_pointer_modification): Likewise.
+ (count_or_remove_death_notes): Likewise.
+ (verify_flow_info): Likewise.
+ (clear_log_links): Likewise.
+ * function.c (fixup_var_refs_insns): Use INSN_P.
+ (compute_insns_for_mem): Likewise.
+ * gcse.c (alloc_gcse_mem): Use INSN_P.
+ (compute_sets): Likewise.
+ (compute_hash_table): Likewise.
+ (classic_gcse): Likewise.
+ (cprop): Likewise.
+ (insert_insn_end_bb): Likewise.
+ (delete_null_pointer_checks_1): Likewise.
+ * global.c (expand_preferences): Use INSN_P.
+ (build_insn_chain): Likewise.
+ * graph.c (node_data): Use INSN_P.
+ * haifa-sched.c (priority): Use INSN_P.
+ (rm_line_notes): Likewise.
+ (rm_other_notes): Likewise.
+ (find_insn_reg_weight): Likewise.
+ (init_target_units): Likewise.
+ (schedule_block): Likewise.
+ (compute_block_forward_dependences): Likewise.
+ (debug_dependencies): Likewise.
+ (set_priorities): Likewise.
+ * integrate.c (function_cannot_inline_p): Use INSN_P.
+ (save_parm_insns): Likewise.
+ (copy_insn_list): Likewise.
+ * jump.c (mark_all_labels): Use INSN_P.
+ (never_reached_warning): Likewise.
+ * lcm.c (optimize_mode_switching): Use INSN_P.
+ * local-alloc.c (validate_equiv_mem): Use INSN_P.
+ (memref_used_between_p): Likewise.
+ (update_equiv_regs): Likewise.
+ (block_alloc): Likewise.
+ (no_conflict_p): Likewise.
+ * loop.c (scan_loop): Use INSN_P.
+ (find_and_verify_loops): Likewise.
+ (count_loop_regs_set): Likewise.
+ (loop_reg_used_before_p): Likewise.
+ (strength_reduce): Likewise.
+ (recombine_givs): Likewise.
+ (check_dbra_loop): Likewise.
+ (load_mems): Likewise.
+ (try_copy_prop): Likewise.
+ * print-rtl.c (print_rtx): Use INSN_P.
+ * recog.c (find_single_use): Use INSN_P.
+ * reg-stack.c (stack_regs_mentioned): Use INSN_P.
+ (next_flags_user): Likewise.
+ (swap_rtx_condition): Likewise.
+ * regmove.c (mark_flags_life_zones): Use INSN_P.
+ (optimize_reg_copy_1): Likewise.
+ (optimize_reg_copy_2): Likewise.
+ (optimize_reg_copy_3): Likewise.
+ (reg_is_remote_constant_p): Likewise.
+ (fixup_match_2): Likewise.
+ (regmove_optimize): Likewise.
+ (fixup_match_1): Likewise.
+ * regrename.c (build_def_use): Use INSN_P.
+ (replace_reg_in_block): Likewise.
+ (consider_use): Likewise.
+ * reload.c (find_equiv_reg): Use INSN_P.
+ * reload1.c (reload): Use INSN_P.
+ (maybe_fix_stack_asms): Likewise.
+ (calculate_needs_all_insns): Likewise.
+ (reload_as_needed): Likewise.
+ (emit_output_reload_insns): Likewise.
+ (delete_address_reloads_1): Likewise.
+ (reload_cse_regs_1): Likewise.
+ (reload_combine): Likewise.
+ (reload_cse_move2add): Likewise.
+ * reorg.c (redundant_insn): Use INSN_P.
+ (dbr_schedule): Likewise.
+ * resource.c (find_dead_or_set_registers): Use INSN_P.
+ (mark_target_live_regs): Likewise.
+ * rtlanal.c (reg_used_between_p): Use INSN_P.
+ (reg_referenced_between_p): Likewise.
+ (reg_set_between_p): Likewise.
+ (reg_set_p): Likewise.
+ (single_set): Likewise.
+ (multiple_sets): Likewise.
+ (find_last_value): Likewise.
+ (reg_set_last): Likewise.
+ (find_reg_note): Likewise.
+ (find_regno_note): Likewise.
+ * sibcall.c (sequence_uses_addressof): Use INSN_P.
+ * simplify-rtx.c (cselib_process_insn): Use INSN_P.
+ * ssa.c (find_evaluations): Use INSN_P.
+ (rename_block): Likewise.
+ (rename_equivalent_regs): Likewise.
+ * unroll.c (loop_find_equiv_value): Use INSN_P.
+ (set_dominates_use): Likewise.
+ * varasm.c (mark_constant_pool): Use INSN_P.
+ (mark_constants): Likewise.
+ * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
+ (alphaev4_next_group): Likewise.
+ (alphaev5_next_group): Likewise.
+ * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
+ (c4x_rptb_rpts_p): Likewise.
+ * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
+ * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
+ (rs6000_adjust_priority): Likewise.
+ * config/sh/sh.c (sh_loop_align): Use INSN_P.
+ (machine_dependent_reorg): Likewise.
+ (split_branches): Likewise.
+ * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
+
+Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
+
+ * combine.c (recog_for_combine): Remove the old notes
+ prior to attempting to recognize the new pattern.
+ (distribute_notes): Ignore REG_NONNEG notes.
+
+2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
+
+ * varasm.c (output_constructor): Add .align 0 for packed vars.
+
+2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * configure.in: Use default thread_file even when enable_threads is
+ yes or dce because hpux10.20 pa port uses MULTILIB implementation.
+ * configure: Rebuilt.
+
+ * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
+
+2000-08-04 Donn Terry (donnte@microsoft.com)
+
+ * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
+
+2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/x-djgpp: Delete code that conditionally modifies target_alias.
+ Delete code that conditionally modifies 'version'.
+ Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
+ * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
+ * gcc.c (main): Use it.
+ * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
+ * prefix.c (update_path): Use it.
+ * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
+ (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
+ (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
+ code.
+ (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
+ (SUBTARGET_SWITCHES): Adjust.
+ (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
+ defining.
+ (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
+
+2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.h (flag_isoc94): Declare.
+ * c-decl.c (flag_isoc94): Define.
+ (c_decode_option): Set flag_isoc94 as appropriate.
+ * c-common.c (T_PD, T_IM, T_UIM): Define.
+ (format_char_info): Add tlen and jlen.
+ (print_char_table): Add entries for %t and %j. Allow %zn. Allow
+ %F. Allow %lf.
+ (scan_char_table): Add entries for %t and %j. Allow %F. Allow
+ %l[.
+ (time_char_table): Add NULL entries for %t and %j.
+ (check_format_info): Allow for %t and %j. Warn for %F if pedantic
+ and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
+ Warn for printf %lf if pedantic and not C99. Don't warn for empty
+ precision. Allow precision argument to be unsigned int. If
+ pedantic, warn for %p passed an argument not a pointer to possibly
+ qualified void or a possibly qualified character type, and for
+ pointer targets of the wrong sign, except for character pointers.
+
+2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
+ * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
+ (wint_type_node): Define.
+ * c-decl.c (WINT_TYPE): Define.
+ (init_decl_processing): Create the wint_type_node type.
+ * c-common.c (T_WI): Define.
+ (print_char_table): Use T_WI for %lc format.
+
+2000-08-04 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/: Verified that the MSDOS patch does not break
+ the UNIX functionality and applied the next three patches
+ from July:
+
+2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
+ output file with the temporary one by appending ".X" to generate
+ the temporary fuile's name. If the output file already has an
+ extension, replace it with ".X".
+
+ * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
+ not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
+ reallocate the command buffer while copying the command-line
+ argument. Redirect the output directly to the temporary file,
+ instead of going through another temporary file.
+ (process): Close the temporary file before unlinking it.
+ (machine_matches) [__MSDOS__]: If the machine doesn't match, set
+ the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
+ (run_compiles): Pass p_fixd argument to machine_matches, as it
+ expects.
+
+ * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
+ environment, assume there are no symlinks in the include
+ directory. When cleaning up the DONE files, look for them
+ case-insensitively. Don't try to remove symlinks if they aren't
+ there.
+
+ * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
+ all callers changed. Declare pz "const char *", to avoid compiler
+ warnings.
+
+ * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
+ Change prototype of make_raw_shell_str.
+
+2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
+ (initialize) [__MSDOS__]: Use tempnam.
+ (initialize): Don't use SIGPIPE if it is not defined.
+
+ * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
+ return stdout.
+
+2000-07-25 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fix*.[ch]: substantially reworked to make it possible
+ to run this program without using fork(2) or pipe(2) (i.e. in
+ a DOS environment).
+
+2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * cppdefault.h (WINT_TYPE): Define.
+ * cppinit.c (builtin_array): Define __WINT_TYPE__.
+ * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
+ * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
+
+Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * (mips_legitimate_address_p): Don't allow register+offset
+ if the offset is large and negative, and we are compiling
+ for 64 bit registers.
+
+2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * gencodes.c (main): Define CODE_FOR_nothing as the last possible
+ insn_code_number + 1.
+
+2000-08-04 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c (function_prologue): Rearrange code for conciseness.
+ (function_epilogue): Likewise.
+ * h8300.h (OK_FOR_U): Fix formatting.
+
+ * cse.c: Fix a comment typo. Fix formatting.
+
+2000-08-03 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/i386.md (return_indirect_internal): New.
+ * config/i386/i386.c (ix86_expand_epilogue): Use it.
+
+2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
+ before the name.
+ (lex_line): Glue @ onto the beginning of identifiers and
+ string constants, in Objective-C mode.
+ (output_token, spell_token): Handle CPP_OSTRING.
+ (can_paste, maybe_paste_with_next): Handle pasting @ onto the
+ beginning of a NAME or a STRING, in objc mode.
+
+ * cpplib.c (get_define_node): Do not permit identifiers that
+ begin with @ to be #defined.
+ * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
+ * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
+
+ * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
+ * c-tree.h (build_objc_string): Delete prototype.
+ * objc/objc-tree.def: Delete OBJC_STRING_CST.
+ * c-lex.c (yylex): Use build_string for all three kinds of strings.
+
+ * c-parse.in, objc/objc-act.c: Update commentary.
+
+2000-08-03 Mark Mitchell <mark@codesourcery.com>
+
+ * extend.texi: Fix typo in last change.
+
+ * extend.texi: Add commentary on statement-expressions and their
+ interactions with C++.
+
+2000-08-03 Nick Clifton <nickc@cygnus.com>
+
+ * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
+ * dwarf.h (LANG_JAVA): Change value to 0x000b.
+
+2000-08-03 Anthony Green <green@cygnus.com>
+
+ * dwarf2out.c (gen_compile_unit_die): Add java language support.
+ (add_bound_info): Check for java language.
+ (is_java): New function.
+ * dwarfout.c (output_compile_unit_die): Ditto.
+ * dwarf.h (dwarf_source_language): Add java source language type.
+ * dwarf2.h (dwarf_source_language): Ditto.
+
+Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
+ operands.
+
+ * i386.c (ix86_expand_branch): Mode of comparison in
+ IF_THEN_ELSE is VOIDmode.
+
+Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
+
+ * gengenrtl.c, rtl.c: Avoid #elif.
+
+2000-08-03 Michael Poole <poole@troilus.org>
+
+ * tm.texi (Register Classes): Clarify order of sub-initializers
+ in REG_CLASS_CONTENTS.
+
+Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ From SAITOH Masanobu:
+ * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
+
+2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
+
+ * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
+ is not supported by tradcpp and isn't actually needed for cygwin.
+
+2000-08-03 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c: Fix a comment typo.
+ * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8S.
+
+ * jump.c: Fix formatting.
+
+ * toplev.c: Fix formatting.
+
+Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (find_auto_inc): Verify that we've got a REG before
+ peeking at its regno. Fail, don't abort if we can't find
+ the increment of the desired register.
+
+ * pa.md (shadd height reduction patterns/splitters): Remove.
+
+2000-08-02 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64-protos.h (flag_ssa): Declare.
+ * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
+
+2000-08-02 Mark Mitchell <mark@codesourcery.com>
+
+ * dce.c: Remove all uses of assert.
+ * dwarf2out.c: Likewise.
+ * dwarfout.c: Likewise.
+ * ssa.c: Likewise.
+
+2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.h (lang_specific_driver): Constify second argument.
+ * gcc.c (translate_options, process_command, main): Likewise.
+ Constify variables to match. Cast second argument to
+ pexecute.
+
+ * cppspec.c, gccspec.c: Adjust type of second argument to
+ lang_specific_driver, and update code as necessary.
+
+2000-08-02 Jakub Jelinek <jakub@redhat.com>
+
+ * loop.c (scan_loop): Ensure update_end label does not
+ go away until reg_scan_update is run.
+
+2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-common.h: Prototype min_precision and c_build_qualified_type here...
+ * c-tree.h: ... not here.
+ * errors.h: Prototype fancy_abort.
+
+ * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
+ HOST_BITS_PER_WIDE_INT == 64 ifdef block.
+ * regrename.c (regrename_optimize): Make control flow explicit.
+ (replace_reg_in_block): Initialize reg_use to 0.
+
+ * i386.c (legitimate_address_p): Rename error label to
+ report_error to avoid namespace clash.
+
+2000-08-02 Kazu Hirata <kazu@hxi.com>
+
+ * fold-const.c: Fix formatting.
+
+Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (legitimate_address_p): Accept other bases than
+ pic_offset_table_rtx for GOTOFF constructs.
+
+Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (shift to lea splitter): Use const_int_operand.
+
+2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
+ cppspec.c: Do not use 'legal' or 'illegal' in error messages
+ and comments.
+
+ * cppmain.c (cb_define, cb_undef): Don't generate any output
+ if not done_initializing.
+ * cpplex.c (maybe_paste_with_next): When the token after a ##
+ is an omitted rest argument, only delete the token before it
+ if that token is a comma. Do not warn about bogus token
+ pastes for , ## rest_arg.
+
+ * cpp.texi: Update.
+ * cpp.1: Regenerate.
+
+2000-08-02 Fred Fish <fnf@be.com>
+
+ * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
+ when user gives -p option. Add init_term_dyn.o for BeOS 5.0
+ and later.
+
+ * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
+ Be directories to search path.
+
+ Remove support for __declspec(dllimport) and __declspec(dllexport).
+ This is leftover cruft from the earlier BeOS gcc port when BeOS
+ used Microsoft's PE object file format.
+ * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
+ * config/i386/t-beos (winnt.o): Remove Makefile frag.
+ * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
+ (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
+ (REDO_SECTION_INFO_P): Remove.
+ (ASM_EXPORT_DECL): Remove.
+ (ASM_DECLARE_FUNCTION_NAME): Remove.
+ (ASM_DECLARE_OBJECT_NAME): Remove.
+ (ASM_OUTPUT_ALIGNED_COMMON): Remove.
+ (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
+ (STRIP_NAME_ENCODING): Remove.
+
+ Remove support for obsolete version of BeOS that is no longer
+ supported by Be.
+ * configure.in (i*86-*-beospe*): Remove.
+ * config/i386/beos-pe.h: Remove.
+
+2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (OBJS): Added dce.o.
+ (ssa.o): Updated target to include ssa.h.
+ (flow.o): Likewise.
+ (toplev.o): Likewise.
+ (dce.o): Created target.
+ * basic-block.h: Added comments.
+ (INVALID_BLOCK): Added definition.
+ (connect_infinite_loops_to_exit): Added declaration.
+ Moved SSA declarations to ssa.h.
+ * flow.c: Added inclusion of ssa.h.
+ (struct depth_first_search_dsS, depth_first_search_ds):
+ Added definitions.
+ (compute_immediate_postdominators): Added definition.
+ (connect_infinite_loops_to_exit): Likewise.
+ (flow_dfs_compute_reverse_init): Likewise.
+ (flow_dfs_compute_reverse_add_bb): Likewise.
+ (flow_dfs_compute_reverse_execute): Likewise.
+ (flow_dfs_compute_reverse_finish): Likewise.
+ * rtl.h (rtx/in_struct): Added use to determine insn necessity.
+ (LABEL_P): Added definition.
+ (JUMP_P): Likewise.
+ (NOTE_P): Likewise.
+ (BARRIER_P): Likewise.
+ (JUMP_TABLE_DATA_P): Likewise.
+ (INSN_DEAD_CODE_P): Likewise.
+ * ssa.c: Replaced inclusions with ssa.h inclusion.
+ (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
+ (rename_registers): Removed unnecessary variables.
+ * ssa.h: Created by moving declarations from ssa.c and
+ basic-block.h.
+ * timevar.def: Defined TV_DEAD_CODE_ELIM.
+ * toplev.c: Added ssa.h inclusion.
+ (dump_file_index): Added DFI_dce.
+ (dump_file): Added "dce" entry.
+ Defined flag_ssa.
+ (f_options): Added dce entry.
+ * invoke.texi: Document -fdce. Emphasize experimental status of
+ -fssa.
+ * dce.c: New file.
+
+2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpperror.c (v_message): Split into _cpp_begin_message and
+ v_message macro. All callers updated.
+ (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
+ checks here.
+
+ * cppfiles.c (cpp_syshdr_flags): New function.
+ (read_include_file): Don't call cpp_output_tokens. Call
+ enter_file hook.
+ * cppinit.c (dump_macros_helper): Moved to cppmain.c.
+ (cpp_reader_init): Don't initialize token_buffer. Call
+ _cpp_init_internal_pragmas.
+ (cpp_cleanup): Don't clear token_buffer.
+ (cpp_start_read): Don't worry about output from -D processing.
+ Don't call cpp_output_tokens.
+ (cpp_finish): Don't dump macros here. Don't call
+ cpp_output_tokens.
+ * cppmacro.c (_cpp_dump_definition): Rename
+ cpp_dump_definition. Write directly to a FILE *.
+ (dump_funlike_macro): Delete.
+ (dump_macro_args): New.
+
+ * cpplex.c (TOKEN_LEN): Convert to inline function.
+ (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
+ cpp_scan_line, _cpp_dump_list): Delete.
+ (cpp_printf, cpp_output_list): New.
+ (output_line_command): Don't worry about entering or leaving files.
+ (cpp_scan_buffer): Just output each token as we hit it.
+ (process_directive): Don't call cpp_output_tokens.
+ (_cpp_glue_header_name): Don't use token_buffer.
+ (output_token, dump_param_spelling): Write directly to a FILE *.
+
+ * cpplib.c (pass_thru_directive, dump_macro_name,
+ pragma_dispatch, do_pragma_gcc): Delete.
+ (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
+ do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
+ functions.
+ (do_error, do_warning, pragma_dependency): Call
+ _cpp_begin_message, then cpp_output_list.
+ (cpp_register_pragma, cpp_register_pragma_space,
+ _cpp_init_internal_pragmas): New.
+ (do_pragma): Walk the pragmas table here.
+ (do_pragma_once, do_pragma_poison, do_pragma_system_header,
+ do_pragma_dependency): Return void.
+ (do_pragma_implementation): Moved to cppmain.c.
+
+ * cpplib.h: Update prototypes.
+ (struct cpp_reader): Remove printer, token_buffer,
+ token_buffer_size, and limit. Add struct cb, and pragmas.
+ (struct cpp_printer): Remove last_id and written.
+ (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
+ CPP_ADJUST_WRITTEN): Delete.
+ * cpphash.h: Update prototypes.
+ (ufputs): New wrapper.
+
+ * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
+ cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
+ (main): Set up callbacks. Register #pragma implementation.
+ Dump macros from here.
+
+2000-08-01 Geoff Keating <geoffk@cygnus.com>
+
+ * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
+ * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
+ * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
+ insns if they have a REG_MAYBE_DEAD note attached.
+ * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
+ (rs6000_emit_load_toc_table): TOC loads may go dead.
+
+2000-08-01 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
+ type exists before using it. Use number of words as alignment
+ otherwise.
+ (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
+ ia64_va_arg): Propagate ia64_function_args changes here.
+
+2000-08-01 Richard Henderson <rth@cygnus.com>
+
+ * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
+ * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
+
+2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ From Joern Rennecke:
+ * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
+ * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
+ unless TARGET_SH3E is set.
+ * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
+
+ * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
+ (ashlsi3_std): New pattern.
+ (ashlsi3 expander): Use it for TARGET_SH3.
+ * sh.c (gen_ashift): Use it instead of ashlsi3_k.
+
+Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (canonicalize_condition): Use destination, not source to
+ determine SET's mode.
+
+2000-07-31 Mark Mitchell <mark@codesourcery.com>
+
+ * flow.c (clear_log_links): Fix typo.
+
+Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (check_dbra_loop): Make change from July 17, 2000 work
+ on targets which need more than one insn for a compare/cbranch
+ operation.
+
+2000-07-31 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
+ when computing offset.
+
+Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
+
+ * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
+
+2000-07-31 Geoff Keating <geoffk@cygnus.com>
+
+ * flow.c (clear_log_links): Nuke global_live_at_start and
+ global_live_at_end data, since if the log_links stuff is invalid
+ so is global_live_at_*.
+
+2000-07-31 Richard Henderson <rth@cygnus.com>
+
+ * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
+
+2000-07-31 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
+ (_cpp_get_token): Don't macro expand a just pasted token if it
+ was pasted at no_expand_level.
+
+2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppmacro.c (find_param, count_params, save_expansion):
+ Permit 'defined' as a macro parameter name.
+
+2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
+ xcpp to cpp throughout.
+ (native): Remove unnecessary dependency on cpp.
+
+ * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
+ tradcpp to tradcpp0.
+ (.i spec): Add missing output-file spec to cc1 command line.
+ * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
+
+2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c (mesg_implicit_function_declaration): Init to -1.
+ (implicit_decl_warning): New function.
+ (implicitly_declare): Use it.
+ * c-typeck.c (build_external_ref): Use implicit_decl_warning
+ to complain about implicit decls of builtins.
+
+ * c-lang.c (lang_init): Set mesg_implicit_function_declaration
+ based on pedantic && flag_isoc99, if not already set.
+ * c-tree.h: Declare mesg_implicit_function_declaration.
+ Prototype implicit_decl_warning.
+
+2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
+
+ * Makefile.in (ssa.o): Updated header files in dependences.
+ * basic-block.h: Added compute_immediate_postdominators declaration.
+ * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
+ definition.
+ * flow.c (compute_immediate_dominators): Updated comment.
+ (compute_immediate_postdominators): Added definition.
+ * rtl.h (HARD_REGISTER_P): Added definition.
+ * ssa.c: Include additional header files.
+ (assert): Added definition.
+ (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
+ include select hard registers.
+ (ssa_rename_to_insert): Likewise.
+ (ssa_rename_from_initialize): Likewise.
+ (ssa_rename_from_lookup): Likewise.
+ (original_register): Likewise.
+ (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
+ include select hard reigsters.
+ (ssa_rename_from_traverse): Likewise.
+ (ssa_rename_from_free): Likewise.
+ (ssa_rename_from_print): Likewise.
+ (ssa_rename_from_print_1): Likewise.
+ (ssa_rename_from_hash_function): Likewise.
+ (ssa_rename_from_equal): Likewise.
+ (ssa_rename_from_delete): Likewise.
+ (simplify_to_immediate_dominators): Removed in favor of
+ flow.c:compute_immediate_dominators.
+ (find_evaluations_1): Modified to work with hard registers.
+ (insert_phi_node): Likewise.
+ (insert_phi_nodes): Likewise.
+ (struct rename_set_data): Updated prev_reg comment.
+ (create_delayed_rename): Modified to work with hard registers.
+ (RENAME_NO_RTX): Updated comment.
+ (apply_delayed_renames): Modified to work with hard registers.
+ (rename_insn_1): Likewise and added handling of CLOBBER rtls.
+ (rename_block): Updated to use revised ssa_rename_to interface.
+ (rename_registers): Updated to use revised ssa_rename_to and
+ ssa_rename_from interface.
+ (convert_to_ssa): Revised to use compute_immediate_dominators and
+ deal with hard registers.
+ (make_regs_equivalent_over_bad_edges): Modified to work with hard
+ registers. Added check for illegal unification of hard register.
+ (make_equivalent_phi_alternatives_equivalent): Modified to work
+ with hard registers.
+ (compute_conservative_reg_partition): Likewise.
+ (coalesce_if_unconflicting): Modified to work with hard registers
+ and check for conflicting hard registers.
+ (mark_phi_and_copy_regs): Revised loop to work only on pseudo
+ registers.
+ (rename_equivalent_regs_in_insn): Modified to work with hard
+ registers.
+ (record_canonical_element_1): Added definition.
+ (check_hard_regs_in_partition): Added definition.
+ (convert_from_ssa): Added data structure deallocation and check
+ for illegal hard register unification.
+ (conflict_hard_regs_p): Added definition.
+ * toplev.c (rest_of_compilation): Added comment.
+
+2000-07-31 Anthony Green <green@redhat.com>
+
+ * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
+
+2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
+
+ * builtins.c (expand_builtin_apply): Don't defer pop during
+ argument setup.
+
+2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): Only use
+ preferred_unit_stack_boundary when it is > 1.
+
+2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (init_function_format_info): Add C99 format functions
+ in C99 mode.
+
+ * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
+ void' or 'register void' as being the special case of 'void' alone
+ in a parameter list.
+
+ * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
+ discarding qualifiers into a plain warning.
+
+2000-07-31 Kazu Hirata <kazu@hxi.com>
+
+ * combine.c: Fix formatting.
+
+ * h8300.md: Fix formatting.
+
+ * local-alloc.c: Fix formatting.
+
+ * h8300.c (get_shift_alg): Remove the variable alg.
+ (emit_a_shift): Rearrange code to improve readability.
+
+ * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
+
+ * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
+ HImode on all architectures and a combination of HImode and SImode
+ on H8/300H and H8S.
+
+ * h8300.c (split_adds_subs): Rearrange code for conciseness.
+
+Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
+ in my last checkin.
+
+Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (extract_insn): Set operand_mode according to
+ operand if match_operand is VOIDmode.
+
+Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
+
+2000-07-31 Geoff Keating <geoffk@cygnus.com>
+
+ * c-parse.in (extdefs): Call ggc_collect between external
+ definitions.
+
+2000-07-30 Michael Hayes <mhayes@cygnus.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (OBJS): Add doloop.o.
+ * doloop.c: New file.
+
+ * final.c (insn_current_reference_address): Return 0 before final.
+ * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
+ * jump.c (any_uncondjump_p): Likewise.
+ * loop.c (indirect_jump_in_function): Make static.
+ (strength_reduce): Call doloop_optimize.
+ (insert_bct, instrument_loop_bct): Remove.
+ * loop.h (doloop_optimize): Prototype.
+ * recog.c (split_all_insns): Split all INSN_P.
+ * toplev.c (flag_branch_on_count_reg): Default on.
+
+ * config/c4x/c4x.c (c4x_optimization_options): Don't set
+ flag_branch_on_count_reg.
+ * config/i386/i386.c (override_options): Likewise.
+ * config/rs6000/rs6000.c (optimization_options): Likewise.
+
+ * config/i386/i386.md (decrement_and_branch_on_count): Remove.
+ (doloop_end): New.
+ (dbra_ge): Remove, as well as all it's splitters.
+
+ * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
+ (doloop_end): New.
+
+ * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
+ (ia64_register_move_cost): Declare.
+ * config/ia64/ia64.c (ar_lc_reg_operand): New.
+ (struct ia64_frame_info): Add ar_size.
+ (ia64_compute_frame_size): Set it.
+ (save_restore_insns): Save and restore ar.lc.
+ (ia64_register_move_cost): New, moved from header file. Handle
+ application registers.
+ (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
+ (emit_insn_group_barriers): Special case doloop_end_internal.
+ (ia64_epilogue_uses): Mark ar.lc live at end.
+ * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
+ (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
+ (FIRST_PSEUDO_REGISTER): Make room.
+ (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
+ (REG_ALLOC_ORDER): Update.
+ (HARD_REGNO_MODE_OK): Update.
+ (REGISTER_NAMES): Update.
+ (enum reg_class): Add AR_M_REGS and AR_I_REGS.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
+ (REGNO_REG_CLASS): Update.
+ (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
+ (REGISTER_MOVE_COST): Move out of line.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
+ (addsi3_plus1_alt, adddi3_plus1_alt): New.
+ (shladd_elim splitter): Allow constants in the predicate.
+ (doloop_end, doloop_end_internal): New.
+
+2000-07-30 Richard Henderson <rth@cygnus.com>
+
+ * genattrtab.c (struct insn_def): Add lineno member.
+ (struct insn_ent): Likewise.
+ (struct attr_desc): Likewise.
+ (struct delay_desc): Likewise.
+ (struct function_unit_op): Likewise.
+ (struct function_unit): Likewise.
+ (check_attr_value): Use message_with_line.
+ (check_defs): Likewise.
+ (expand_units): Likewise.
+ (check_attr_test): Take a lineno argument.
+ (gen_attr): Likewise.
+ (gen_insn): Likewise.
+ (gen_delay): Likewise.
+ (gen_unit): Likewise.
+ (main): Give it to them.
+ (convert_set_attr_alternative): Take an insn_def argument
+ instead of num_alt and insn_index.
+ (convert_set_attr): Likewise.
+ (write_test_expr): Protect INSN_ADDRESSES load
+ with INSN_ADDRESSES_SET_P.
+
+2000-07-30 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (init_propagate_block_info): Use pc_set.
+
+Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (*lea_general_[123]) New insns and splits.
+ (addsi3 to lea splitter): Handle other modes too.
+ (shlsi3 to lea splitter): Likewise.
+ (addhi_1_lea, shlhi_1_lea): New patterns.
+ (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
+
+Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (general_operand, nonimmediate_operand): Accept
+ any mode for VOIDmode CONSTANT_P operands.
+
+Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
+ instead of replace_rtx.
+ * recog.c (validate_replace_rtx_subexp): New function.
+ * recog.h (validate_replace_rtx_subexp): Declare.
+
+Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (simplify_set, make_extraction, make_compound_operation
+ make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
+ as force_to_mode argument.
+
+Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (if_then_else_cond): Be sure that mode fits in
+ HOST_WIDE_INT.
+
+Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (record_promoted_value): Allow bitsize of mode
+ to be equivalent to HOST_BITS_PER_WISE_INT.
+
+Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * function.c (assign_stack_local_1, assign_stack_temp_for_type):
+ Do not call gen_mode_alignment when mode is BLKmode.
+
+Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (express_from_1): Fix call of simplify_gen_binary.
+
+Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
+ VOIDmode implies both operands to be VOIDmode.
+ (simplify_ternary_operation): Compute properly the mode of comparison.
+ * combine.c (combine_simplify_rtx): Likewise.
+
+2000-07-25 Michael Hayes <mph@paradise.net.nz>
+
+ * basic-block.h (struct loops): New field rc_order.
+ * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
+ (flow_loops_free): Free rc_order.
+ (flow_depth_first_order_compute): New parameter rc_order.
+ (flow_loops_find): Allocate rc_order and swap usage with
+ dfs_order.
+
+2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+ Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
+ (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
+ (nodb_call, return_from_epilogue): Likewise.
+ (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
+ * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
+ * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
+ (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
+ (c4x_valid_type_attribute_p): Likewise.
+ * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
+ (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
+
+2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
+ and loadhi_big_constant if applicable.
+ * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
+ and add new splitter.s
+
+2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
+
+2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
+
+2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
+
+2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/libgcc.S (divqf3): Improve accuracy.
+
+2000-07-27 Mark Mitchell <mark@codesourcery.com>
+
+ Put phi nodes after NOTE_INSN_BASIC_BLOCK.
+ * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
+ * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
+ (get_prev_bb_note): Likewise.
+ (remove_scope_notes): Likewise.
+ * flow.c (commit_one_edge_insertion): Likewise.
+ (merge_blocks_nomove): Likewise.
+ (verify_flow_info): Likewise.
+ * gcse.c (insert_insn_end_bb): Likewise.
+ * reg-stack.c (emit_swap_insn): Likewise.
+ * ssa.c (first_insn_after_basic_block_note): New function.
+ (insert_phi_node): Use it.
+ (rename_block): Likewise.
+ (eliminate_phi): Likewise.
+ (make_regs_equivalent_over_bad_edges): Likewise.
+ (make_equivalent_phi_alternatives_equivalent): Likewise.
+ (for_each_successor_phi): Likewise.
+ (convert_from_ssa): Modify phi-node deletion algorithm.
+
+2000-07-29 Andreas Jaeger <aj@suse.de>
+
+ * configure.in (mips*-*-linux*): Use mips*el to check for little
+ endian MIPS, add tmake_file.
+
+ * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
+ (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
+ Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
+
+2000-07-28 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_print_operand): Fix typos.
+ Sign extend mode size before negating.
+
+2000-07-28 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
+
+2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
+ (cse_insn): Likewise.
+ (addr_affects_sp_p): Likewise.
+ * expr.c (move_by_pieces): Likewise.
+ (clear_by_pieces): Likewise.
+ * gcse.c (oprs_unchanged_p): Likewise.
+ * haifa-sched.c (sched_analyze_2): Likewise.
+ * recog.c (offsettable_address_p): Likewise.
+ * regclass.c (record_address_regs): Likewise.
+ * reload.c (find_reusable_reload): Likewise.
+ (push_reload): Likewise.
+ (operands_match_p): Likewise.
+ (decompose): Likewise.
+ (find_reloads_address_1): Likewise.
+ (find_inc_amount): Likewise.
+ * reload1.c (elimination_effects): Likewise.
+ * resource.c (mark_set_resources): Likewise.
+ * flow.c (attempt_auto_inc): New function; mostly broken out
+ of find_auto_inc.
+ (find_auto_inc): Split into two functions and enhanced to
+ generate POST_MODIFY.
+ * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
+ * rtl.h (count_all_occurrences): Declare.
+ (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
+ defined.
+ * rtlanal.c (count_all_occurrences): New function.
+ * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
+ HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
+
+ * config/ia64/ia64-protos.h (destination_operand): Declare.
+ * config/ia64/ia64.c (destination_operand): New function.
+ (ia64_print_operand): Handle POST_MODIFY.
+ (rtx_needs_barrier): Likewise.
+ * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
+ (HAVE_POST_MODIFY_REG): Define to 1.
+ (MAX_REGS_PER_ADDRESS): Change to 2.
+ (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
+ (LEGITIMATE_ADDRESS_REG): New helper macro.
+ (LEGITIMATE_ADDRESS_DISP): Likewise.
+ (PREDICATE_CODES): Add entry for destination_operand.
+ * config/ia64/ia64.md (all mov patterns): Use destination_operand
+ predicate for operand 0.
+
+2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2out.c: Indent #error directive.
+
+ * gbl-ctors.h: Fix typo in comment.
+ (__do_global_ctors): Prototype.
+
+ * gcse.c (record_one_set, pre_delete): Remove unused variables.
+
+ * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
+ (print_operand): Initialize variable `t'.
+
+2000-07-27 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/arm/arm.md ("call_value"): removed constraints.
+ Constraints are ignored in expanders.
+ (*call_value_reg): split =rf into various constraints.
+ (*call_value_mem): same
+ (*call_value_symbol): same
+ (*sibcall_value_insn): same
+
+2000-07-28 Philipp Thomas <pthomas@suse.de>
+
+ * install.texi (--enable-nls): Change the description of the NLS
+ related configure options to match the current state.
+ (--with-included-gettext): Likewise.
+ (--enable-maintainer-mode): New description added.
+ * extend.texi (-fstrict-prototype): Add missing '.'.
+
+2000-07-27 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
+ DECL_INITIAL (decl) == NULL_TREE.
+
+2000-07-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
+ on insn-attr.h with it.
+ * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
+ * insn-addr.h: New header.
+ (insn_addresses_): Renamed from insn_addresses.
+ (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
+ INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
+ INSN_ADDRESSES_NEW): New macros.
+ * genattrtab.c (write_test_expr): Use new macros.
+ * final.c (insn_addresses, init_insn_lengths): Likewise.
+ (align_fuzz, shorten_branches): Likewise.
+ (final): Likewise. Do not reject new insns if their addresses
+ have been added to INSN_ADDRESSES.
+ * config/arm/arm.c, config/avr/avr.c: Use new macros.
+ * config/h8300/h8300.c, config/i370/i370.c: Likewise.
+ * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
+ * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
+ * config/sh/sh.c: Likewise.
+ (output_branchy_insn): Use INSN_ADDRESSES_NEW.
+
+ * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
+
+2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * gcc.c (struct prefix_list): Add member priority.
+ (enum path_prefix_priority): Declare.
+ (add_prefix): Replace ``first'' with ``priority''. Append new
+ entry but keep list in priority order.
+ (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
+ PREFIX_PRIORITY_LAST to add_prefix.
+ (process_command): Move include kludge - foo/stageN - to before
+ foo/include.
+
+2000-07-27 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (gen_typedef_die): Abort if we get identical
+ TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
+
+2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
+
+ * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
+ * tree.h (get_alias_set, lang_get_alias_set): Prototype.
+
+2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (finish_function): Don't treat 'main' specially unless
+ flag_hosted. In C99 mode, return 0 from 'main' unless
+ DEFAULT_MAIN_RETURN is otherwise defined.
+
+ * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
+ parameters defaulting to int in an old-style function definition.
+
+2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (string): For -Wtraditional, warn about string
+ concatenation only once per line.
+
+Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
+
+ * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
+ for HI-UX/WE2 systems.
+
+2000-07-24 Bruce Korb <bkorb@gnu.org>
+
+ * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
+ defining the __xxx_TYPE__ macros.
+ * fixincl/fixincl.tpl(gnu_type_map): now obsolete
+ * fixincl/fixlib.h: don't need to include "tm.h" anymore
+ * fixincl/inclhack.def(type_map): now obsolete
+
+Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * cpp.texi: Append a trailing full-stop to xrefs where needed.
+
+2000-07-26 Dave Pitts <dpitts@cozx.com>
+
+ * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
+ routine constants.
+ (mvs_hash_alias): New function.
+ (mvs_add_alias): Change argument spacing.
+ (mvs_need_alias): Change aliasing criteria. Added documentation.
+ (mvs_get_alias): Change to use hashed name. The hashed name prevents
+ CSECT name collisions.
+ (mvs_check_alias): Likewise.
+ (handle_pragma): Change documentation.
+ * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
+ mode from SImode to DImode.
+ (iorhi3): Changed LTORG size for insn.
+
+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.
+
+2000-07-26 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c (print_operand): Print ":8" when the 'R' operand is
+ suitable for 8-bit absolute.
+ * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
+ (OK_FOR_U): Add a case for the 8-bit constant address on the
+ H8/300H.
+
+Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
+ && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
+ ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
+ lack of implemented alignment.
+
+2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
+
+ * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
+ cross-compiling between 64-bit and 32-bit machines.
+
+2000-07-27 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
+ (movhicc_astep, movhi_internal_astep): New.
+ (movsicc_astep, movsi_internal_astep): New.
+ (movdicc_astep, movdi_internal_astep): New.
+ (movsfcc_astep, movsf_internal_astep): New.
+ (movdfcc_astep, movdf_internal_astep): New.
+ (movxfcc_astep, movxf_internal_astep): New.
+ (cmovdi_internal_astep, cmovsi_internal_astep): New.
+ Unify the cmov[ds]i splitters.
+
+2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * real.c (asctoeg): Rename `error' label to unexpected_char_error
+
+2000-07-26 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
+ __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
+ well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
+
+2000-07-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-decl.c (finish_enum): Convert enumerations that fit in an
+ `int' to `int'.
+ (build_enumerator): In pedantic mode, cast to `int' those that
+ don't.
+
+2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
+
+Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (cmpgtdi_t): Must be split.
+ (cmpgtdi_t+1): New splitter.
+
+2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (_cpp_check_directive): Issue -Wtraditional
+ warnings for indented directives even if we are skipping.
+
+2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
+
+ * invoke.texi (strict-prototypes): Remove.
+ * extend.texi (Deprecated Features): Add strict-prototypes.
+ (Backwards Compatibility): New node.
+
+2000-07-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (andsi_1+1): Allow HImode.
+ (andsi_1+2): Require q_regs_operand.
+
+2000-07-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (call_pop): Check operands[0],
+ not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
+ (call): Likewise.
+ (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
+ (call_value): Likewise.
+
+2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * toplev.c (pipe_closed): Delete.
+ (crash_signal): New. Generate ICE for a fatal signal.
+ (float_signal): Call crash_signal outside a float-handler
+ block, not abort.
+ (main): Install crash_signal as handler for core-dumping signals.
+
+2000-07-25 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (print_operand, case 'T'): New case.
+
+ * rs6000.md (call_indirect_aix32): Convert to expander of
+ scheduled instructions.
+ (call_indirect_aix64): Likewise.
+ (call_value_indirect_aix{32,64}): Likewise.
+ (call, call_value): Invoke expanders for AIX. Fall through to
+ matchers for SysV.
+ (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
+ (call_value_indirect_nonlocal_aix{32,64}): New patterns.
+ (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
+ only "g" constraint.
+ (call_nonlocal_aix64): Likewise.
+ (call_value_nonlocal_aix{32,64}): Likewise.
+ (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
+ operands.
+ (call_value_nonlocal_sysv): New pattern.
+ (indirect_jump{si,di}): Use new 'T' modifier.
+ (tablejump{si,di} matchers): Likewise.
+ (return_internal_{si,di}): Likewise.
+ (return_eh_{si,di}): Likewise.
+
+2000-07-24 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
+ * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
+ * config/ia64/ia64.md (movdi_internal): Use it.
+
+2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c: Warn about unary + if -Wtraditional.
+ * cpplex.c (lex_line): Always set BOL on the first token of a line.
+
+2000-07-24 Michael Meissner <meissner@redhat.com>
+
+ * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
+ unsupported macro.
+
+2000-07-24 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (emit_multi_reg_push): Generate a
+ REG_FRAME_RELEATED_NOTE that is compatible with the code in
+ dwarf2out_debug_frame_expr.
+
+2000-07-24 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
+ UNALIGNED_INT_ASM_OP.
+ (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
+ a location expression.
+ (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
+ assume indirect access if we're saving the CFA address exactly.
+
+ * Makefile.in (bootstrap): Move -BstageN/ to the end.
+
+2000-07-24 Jakub Jelinek <jakub@redhat.com>
+
+ * tradcpp.c (main): Update max_include_len for cpp_include_defaults
+ as well.
+
+2000-07-24 Michael Meissner <meissner@redhat.com>
+
+ * invoke.texi (D30V Options): Add d30v options.
+
+Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
+ needed by our gcse pass anymore.
+ (free_pre_mem): Corresponding changes.
+ (compute_pre_data): Do not call compute_transpout anymore.
+
+ * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
+ (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
+ changes.
+
+ * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
+ (compute_pre_data): Do it here instead.
+
+ * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
+ 'temp_bitmap'.
+ (pre_delete): Corresponding changes.
+
+2000-07-23 Mark Mitchell <mark@codesourcery.com>
+
+ * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
+ to figure out whether or not a variable has already been emitted.
+
+Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * config/i860/i860.md (untyped_call expander): Use GEN_CALL
+ instead of gen_call.
+
+Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
+
+ * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
+
+2000-07-23 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c: Fix formatting.
+
+2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
+ for `long' switch expression into a plain warning.
+
+ * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
+ (yylex): Don't pedwarn for "inline" in C99 mode.
+
+ * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
+ with %p.
+ * ggc-page.c (debug_print_page_list, alloc_page, free_page,
+ ggc_alloc): Likewise.
+ * bb-reorder.c (dump_scope_forest_1): Likewise.
+
+2000-07-22 Aldy Hernandez <aldyh@redhat.com>
+
+ * reload.c (find_reloads_toplev): Add new parameter
+ "address_reloaded".
+ (find_reloads): Add new parameter to find_reloads_toplev calls.
+
+2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * collect2.c (main): Typo fixed.
+ * diagnostic.c: Typo fixed.
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
+ * eh-common.h: Typo fixed.
+ * emit-rtl.c (start_sequence): Typo fixed.
+ * flow.c (find_label_refs): Typo fixed.
+ (calculate_global_regs_live): Typo fixed.
+ (mark_regno_cond_dead): Typo fixed.
+ (create_edge_list): Typos fixed.
+ (verify_edge_list): Typo fixed.
+ * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
+ * loop.c (strength_reduce): Typo in function name fixed.
+ * rtl.h: Added comments. Typo in function name fixed.
+ * rtlanal.c: Typo in function name fixed.
+ (insn_dependant_p): Rename to ...
+ (insn_dependent_p): ... this.
+ (computed_jumo_p): Typo fixed.
+
+2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (__FUNCTION__): Wrap definition in #ifndef.
+
+2000-07-21 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (SIZE_TYPE): Define.
+
+2000-07-21 Mark Mitchell <mark@codesourcery.com>
+
+ * ssa.c (rename_insn_1): Don't rename registers that are
+ CLOBBERed.
+
+2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * diagnostic.c (trim_filename, fancy_abort): Moved here from
+ rtl.c.
+ (fatal_function, set_fatal_function): Removed.
+ (fatal): Don't prepare for or call the fatal_function.
+ (diagnostic_lock, error_recursion): New.
+ (diagnostic_for_decl, report_diagnostic): Guard against
+ re-entering the error reporting routines.
+ (fancy_abort): Assume function is not NULL.
+
+ * errors.c (fancy_abort): New. Assume function is not NULL.
+ * tradcpp.c (fancy_abort): Assume function is not NULL.
+
+ * system.h: Provide default definition of __FUNCTION__.
+ * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
+ Always use __FUNCTION__ in definition of abort.
+ * tree.h: Likewise.
+ * varray.h: Likewise.
+ * toplev.h: Likewise. Don't prototype set_fatal_function.
+
+2000-07-20 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
+ in 64-bit mode.
+ * glimits.h: Don't do #if defined for ARCH_PPC.
+
+ * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
+ constants of size no larger than a pointer should go in the TOC.
+ Add 'MODE' parameter.
+ (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
+ ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
+ (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
+ * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
+ * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
+ * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
+ (rs6000_legitimize_address): Likewise.
+ (rs6000_emit_move): Likewise.
+ (rs6000_select_rtx_section): Likewise.
+ (output_toc): Deal properly with outputting small constants like
+ HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
+ * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
+ MODE parameter. Put small constants in the TOC.
+
+ * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
+ easy in SImode.
+ (rs6000_emit_move): When reload calls us with an illegitimate
+ address, exit early. Move the change_address calls to one place
+ at the end of the routine. Merge the SImode and DImode expanders.
+ When called by reload to put an integer into a FP register, force
+ it to memory.
+
+ * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
+ field.
+ (rs6000_hash_constant): Hash mode too.
+ (toc_hash_function): Allow for key_mode.
+ (toc_hash_eq): Structures are different if key_mode differs.
+ (output_toc): Add 'mode' parameter. Save key_mode.
+ * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
+ Pass 'mode' parameter.
+ * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
+
+ * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
+ for vtable references.
+
+ * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
+ choice, don't put integer values in FP regs.
+
+Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (verify_flow_info): Revamp code to verify that the
+ head and end of each basic block are in the insn chain.
+
+Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * gcse.c (record_one_set): Prepend instead of append onto
+ reg_set_table, making it O(n) instead O(n^2).
+ * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
+ Use a queue instead of a stack as worklist.
+
+2000-07-20 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c (two_insn_adds_subs_operand): Fix a typo.
+ * h8300.h (OK_FOR_T): New.
+ (EXTRA_CONSTRAINT): Support OK_FOR_T.
+ * h8300.md: Use inc/dec.[wl] for increment/decrement
+ by 1 and 2 in HI and SI modes.
+
+2000-07-20 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
+ larger than 14 bits.
+
+2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppmacro.c (CAN_PASTE_AFTER): New macro.
+ (count_params): Don't set GNU_REST_ARGS on anything.
+ (save_expansion): Set PASTE_LEFT only on tokens for which
+ CAN_PASTE_AFTER is true, or which are named operators.
+
+ * cpplex.c (parse_args): Distinguish between a rest argument
+ given one empty argument, and a rest argument given zero arguments.
+ (maybe_paste_with_next): Look for VOID_REST tag, and trigger
+ deletion of previous token based on that.
+ (get_raw_token): Flatten some control structure.
+
+ * cpplib.h (CPP_LAST_EQ): Correct.
+ (VOID_REST): New token flag.
+ (GNU_REST_ARGS): Delete.
+
+ * tradcpp.c (main): Don't munge -D options.
+ (make_definition): Bring -D handling in line with cpplib.
+ (do_define): Strip all leading whitespace from macro definitions.
+
+2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
+
+ * Makefile.in (tradcpp): Depend on intl.o and version.o.
+
+2000-07-20 Bruce Korb <bkorb@gnu.org>
+
+ * fixincl/check.tpl: strip the platform specific types before testing
+ * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
+ * fixincl/fixincl.tpl: use platform specific types
+ * fixincl/fixlib.h: include the platform specific types
+ * fixincl/inclhack.def(gnu_types): don't supply the types
+ * fixincl/fixincl.x: regen
+
+2000-07-19 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
+ GR_REGS.
+
+2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tradcpp.c (rescan): Do not recognize directives when the #
+ is indented.
+
+2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ Implement C++ named operators.
+
+ * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
+ of operators allowed in #if and having an _EQ variant. Add
+ CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
+ (cpp_token flags): Add NAMED_OP.
+ (enum node_type): Add T_OPERATOR.
+ (struct cpp_hashnode): Add code slot to value union.
+ * cpphash.h (spec_nodes): Remove n_defined.
+
+ * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
+ (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
+ (is_macro_disabled): Tweak error messages.
+
+ * cpplib.c (get_define_node): Disallow all named operators as
+ macro names. Tweak error messages.
+ (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
+
+ * cppinit.c (builtin_array): Add entries for the named operators.
+ * cppexp.c (lex): Check for CPP_DEFINED token.
+ (priority table): Add entries for CPP_MIN and CPP_MAX.
+ (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
+
+2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
+ larger than the array of cuids.
+ (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
+ cuids.
+
+2000-07-19 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.c: Convert to using a table of environment variables
+ and activate the auto-edit marker on the fixed output files.
+ * fixinc/fixlib.h: Define the environment table
+ * fixinc/fixincl.sh: export the ${INPUT} dir
+ * fixinc/check.tpl: likewise
+
+2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.c (.h spec): Fix typo.
+
+Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
+
+ * Makefile.in: Fix tradcif.c path.
+
+2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
+ macros, not five.
+
+ * cpphash.h (TOKEN_NAME): New macro.
+ (_cpp_spell_operator): Deleted.
+ (token_spellings): Now _cpp_token_spellings.
+
+ * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
+ * cpplex.c: Use OP and TK macros when expanding the
+ TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
+ store the stringification of the enumeration name (CPP_CHAR,
+ etc.) in the name slot of token_spellings.
+ Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
+ token_spellings directly.
+ * cpplib.c: Use TOKEN_SPELL.
+
+ * cpplex.c (_cpp_push_token): If the token being pushed back
+ is the previous token in this context, just subtract one from
+ context->posn.
+ * cppmacro.c (save_expansion): Clear aux field when storing a
+ placemarker.
+
+2000-07-18 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplex.c (cpp_scan_buffer): Output line command even at the stop
+ buffer, provided it is not NULL.
+
+2000-07-18 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
+ case of invalid volatile re-declaration.
+
+2000-07-18 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (store_arg): Return nonzero if sibcall_failure is desired.
+ (expand_call): Adjust caller.
+
+2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (report_diagnostic): Change prototype.
+
+ * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
+ diagnostic_for_decl): Change prototype.
+ (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
+ error, warning, error_with_file_and_line,
+ warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
+ Adjust call to report_diagnostic, diagnostic_for_decl.
+ (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
+ (output_verbatim, verbatim): Adjust call to output_do_verbatim.
+
+ * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
+ varaible argument list.
+
+2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c: Don't include hashtab.h. Most macro-handling code
+ moved to cppmacro.c.
+ (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
+ dump_hash_helper): Delete.
+ (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
+ cpp_forall_identifiers): New. Implement specialized version of
+ Vlad's expandable hash table.
+ (cpp_lookup): Use new functions.
+ (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
+ implementation.
+ * cppmacro.c: New file.
+ * cppinit.c (dump_macros_helper): New.
+ (cpp_finish): Iterate over the identifier table directly.
+ * cpplex.c (parse_name): Calculate the hash of the identifier
+ while we scan it. Use _cpp_lookup_with_hash when we can.
+
+ * cpphash.h: Update prototypes.
+ (xcnewvec, HASHSTEP): New helper macros.
+ * cpplib.h: Update prototypes.
+ * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
+ (cppmacro.o): New rule.
+ (cpphash.o): Update deps.
+
+ * cppmain.c: Do not set pfile->printer if no_output is on.
+
+2000-07-15 Neil Booth <neilb@earthling.net>
+
+ * cpplib.c: Change all directive-handler functions to return
+ void, not int.
+ * cpphash.h: Update typedefs.
+
+2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
+
+ * configure: Regenerate.
+
+ * extend.texi (Extended Asm): Mention that a memory clobber
+ does not count as a side-effect.
+
+ * unroll.c (copy_loop_body): Fix one instance of using host
+ arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
+ cross-compile.
+
+ * tlink.c (scan_linker_output): Tweak for output of AIX ld.
+
+2000-07-17 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (movdi): Split out load address code.
+ New post-reload splitter for symbolic operands.
+ (movdi_internal): Abort if we didn't split symbolic operands
+ when we should have.
+ * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
+ (ia64_reorg): Split insns when not optimizing.
+ * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
+
+Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
+ instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
+
+2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
+
+ * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
+
+2000-07-17 Jason Merrill <jason@redhat.com>
+
+ * Makefile.in (clean): Remove libgcc directory.
+
+ * configure.in (-Wno-long-long check): Use higher-level macros.
+
+2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * simplify-rtx.c (simplify_binary_operation): Recognize
+ (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
+ (simplify_ternary_operation): Do not examine MODE_BITSIZE of
+ a CONST_INT, it will always be zero.
+
+2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
+
+ * loop.c (check_dbra_loop) : Return if more than one condition is
+ present to control the loop.
+
+Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * mips.c (mips_expand_prologue): Don't calculate the last argument
+ register unless we need it. When we are calculating this, make
+ sure FUNCTION_ARG is giving us a REG.
+
+2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * flow.c (libcall_dead_p): Use single_set to verify the insn
+ has only one set and get for analysis.
+ (propagate_one_insn): Don't pass the PATTERN of the insn.
+
+2000-07-17 Mark Klein <mklein@dis.com>
+
+ * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
+
+2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
+ * configure.in (TARGET_GETGROUPS_T): Evaluate.
+ * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
+ of second argument of getgroups.
+ * configure, config.in: Rebuilt.
+
+2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
+
+ * simplify-rtx.c (simplify_relational_operation): Two signed
+ values with equal high words are less/greater than each other if
+ their low words are less/greater when considered as unsigned.
+
+Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
+
+ * configure.in (vax-*-openbsd): Change to new style configuration,
+ add collect2/float_format information.
+ * configure: Rebuilt.
+ * config/vax/openbsd1.h: New.
+ * config/vax/openbsd.h: New.
+ * config/vax/t-openbsd: New.
+
+2000-07-17 Chip Salzenberg <chip@valinux.com>
+
+ * c-common.c (shorten_compare): Quiet warnings about unsigned
+ comparisons with zero when they occur in a system header.
+
+2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
+ update to describe current practice.
+
+ * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
+
+ * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
+ references to C9X. Change references to -fstd and -flang-isoc9x
+ to refer to -std.
+
+ * c-common.c (scan_char_table): Allow "z" length modifiers on
+ diouxXn formats.
+ (check_format_info): Use TYPE_DOMAIN on the type matched against
+ for "z" formats, to retrieve the language size_t rather than the
+ internal one.
+
+ * c-common.c (check_format_info): Do not make a pedantic objection
+ to the 'L' length modifier if used with a floating point type
+ character.
+
+ * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
+ constants in C99 mode.
+
+2000-07-17 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.md: Fix the format of mac.
+ (movsi_h8300hs): Output a tab after stmac instead of a space.
+
+ * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
+ profitable adds/subs sequences.
+
+ * fold-const.c: Fix comment typos.
+
+2000-07-16 Laurynas Biveinis <lauras@softhome.net>
+
+ * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
+
+2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
+
+2000-07-16 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c: Update comments.
+ * README.Portability: Small update.
+
+2000-07-16 Neil Booth <NeilB@earthling.net>
+
+ * README.Portability: Small update.
+
+2000-07-15 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
+ * config/ia64/ia64.c (ia64_move_ok): New function.
+ * config/ia64/ia64.md (movqi, movqi_internal): Use it.
+ (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
+
+2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
+ immediately following a paste operator.
+ * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
+ (cpp_reader_init): Call it, if HOST_EBCDIC.
+ (cpp_handle_options): Do not sort option list here.
+ (handle_option): Rename to cpp_handle_option and export.
+ * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
+ _cpp_get_token directly.
+ (cpp_scan_line): Return 0 at EOF, 1 otherwise.
+ * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
+ * cpplib.h: Prototype cpp_handle_option. Update prototype of
+ cpp_scan_line.
+
+2000-07-15 Richard Henderson <rth@cygnus.com>
+
+ * fold-const.c (extract_muldiv): Don't optimize past an unsigned
+ cast around an expression. Tidy other unsigned tests.
+
+2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
+ v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
+ (v_message_with_decl): Rename to ...
+ (format_with_decl): ... this. Tweak
+ (diagnostic_for_decl): New function.
+ (fatal_io_error): Use verbatim in lieu of notice.
+ (announce_function): Use verbatim.
+ (default_print_error_function): Likewise.
+ (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
+ infratructure.
+
+2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.c (function_arg_pass_by_reference): Don't do automatic
+ aggregate initialization.
+ (machine_dependent_reorg): Initialize variable `mode'.
+
+ * mips.md (absdi2): Change variable `regno1' to unsigned int.
+ (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
+ conflicts with sys/param.h macro of the same name.
+ (reload_outdi): Likewise.
+
+2000-07-15 Michael Meissner <meissner@redhat.com>
+
+ * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
+ == CONST + INCREMENT, don't overwrite the tree node for FOO++,
+ create a new node instead.
+
+2000-07-15 Neil Booth <NeilB@earthling.net>
+
+ * README.Portability: Correct example about calling a function
+ through a pointer to function. Format wide paragraphs.
+
+2000-07-15 Michael Meissner <meissner@redhat.com>
+
+ * README.Portability: Update integer suffixes and function
+ prototype sections.
+
+2000-07-15 Neil Booth <NeilB@earthling.net>
+
+ * README.Portability: Small update.
+
+2000-07-15 Neil Booth <NeilB@earthling.net>
+
+ * README.Portability: New file.
+
+Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
+
+ * INSTALL: Give special instructions for building GCC on Irix 6.
+ * config/mips/x-iris6 (CC): Don't set it.
+ (OLDCC): Likewise.
+
+2000-07-14 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
+ register in the stack and later in another register, use the new
+ register.
+
+Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.md: (absdi2): Handle sign_extend for
+ second operand.
+
+2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpplib.c (do_pragma_dependency): Tidy warning messages.
+
+2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
+
+ * .cvsignore: Correct typo.
+
+2000-07-13 Mark Mitchell <mark@codesourcery.com>
+
+ * .cvsignore: Add generated YACC files.
+ * objc/.cvsignore: New file.
+
+2000-07-14 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (adjust_column): New function.
+ (skip_whitespace): Use it.
+ (skip_block_comment): Use it, and warn about /*/* with
+ -Wcomments.
+
+2000-07-14 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.c (struct macro_info): Add new members.
+ (_cpp_free_definition): Delete the macro directly.
+ (count_params): Return void, with first token of
+ expansion in struct macro_info on success.
+ (parse_define): Return int. Hoist syntax checking from
+ save_macro_expansion. Leave call to save_expansion to
+ _cpp_create_definition.
+ (alloc_macro): Needs just 2 arguments.
+ (free_macro): Delete.
+ (save_expansion): Don't perform syntax check.
+ (_cpp_create_definition): Call save_expansion.
+
+2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genrecog.c (write_header): Split long string.
+
+ * cpphash.c (macro_info): Don't use the `signed' keyword.
+
+ * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
+
+2000-07-13 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (stored_args_map): New variable.
+ (check_sibcall_argument_overlap_1): New.
+ (check_sibcall_argument_overlap): New.
+ (expand_call): Initialize stored_args_map.
+ Call check_sibcall_argument_overlap.
+
+2000-07-13 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
+ (emit_gnu_type): utility procedure for gnu_type_fix
+ (gnu_type_fix): implement various pre-processor guards around
+ standard types so these types can be defined over and over
+ * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
+ types alluded to above will have GNU-compliant base types
+ * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
+ * fixinc/inclhack.def: add test_text entries and utilize the new
+ "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
+ * fixinc/fixincl.x: regenerate
+
+2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
+
+ * diagnostic.c (vline_wrapper_message_with_location,
+ v_message_with_file_and_line, v_error_with_file_and_file,
+ v_error_for_asm, v_warning_for_asm, vfatal,
+ v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
+ vsorry, verror, vwarning, vpedwarn): Remove.
+ (diagnostic_for_asm): New function.
+ (pedwarn, error, warning, pedwarn_with_file_and_line,
+ error_with_file_and_line, warning_with_file_and_line, sorry,
+ error_for_asm, warning_for_asm, fatal): Reimplement.
+ (finish_diagnostic): Clear diagnostic info as well.
+
+2000-07-13 Neil Booth <NeilB@earthling.net>
+
+ * c-common.h (flag_digraphs): New.
+ * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
+ * c-lex.c (yylex): Use flag_digraphs to decide whether to
+ honor digraphs.
+
+2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.c (do_spec_1): Add new %B operator.
+ (set_input): Prepare for %B.
+
+ (link_command_spec): Move up with the other tm.h-
+ overrideable specs. Factor out the portion conditional on
+ LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
+ (struct compiler): Just have a single spec string. All users
+ updated.
+ (default_compilers): Remove unnecessary braces.
+ (static_specs): Update.
+
+ (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
+ named specs.
+ (C and assembly specs): Use the new named specs, as appropriate.
+
+ * objc/lang-specs.h: Use the new named specs.
+ Remove unnecessary braces.
+
+2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.c (execute): If a subprocess gets a fatal signal, report
+ strsignal() of the signal number, and ask for a bug report.
+ Do not do this for SIGPIPE if there's already been an error.
+
+ * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
+ Delete pipe_closed.
+
+ * tradcif.c: Remove.
+
+2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * final.c (profile_function): Do not emit profile counters in
+ the data section, if NO_PROFILE_COUNTERS is defined.
+ * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
+ FUNCTION_PROFILER.
+
+ * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
+ (FUNCTION_PROFILER): Just emit a call to mcount.
+
+2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
+
+ * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
+ cpplib.c, cpplib.h: Eradicate all traces of code dependent on
+ traditional, lang_chill, or lang_fortran.
+
+ * cppfiles.c: #undef strcmp to suppress warning about macros
+ used without arguments.
+ (_cpp_execute_include): Use f, not fname, in "No include path"
+ error.
+ (_cpp_pop_file_buffer): New function.
+ * cpplib.c: Don't include <sys/mman.h>.
+ (cpp_push_buffer): Set line_base and lineno in new buffer.
+ (cpp_pop_buffer): Use _cpp_pop_file_buffer.
+
+ * cpplex.c: Move all prototypes and structure declarations to the
+ top of the file. Properly parenthesize some macro arguments.
+ (cpp_scan_line): New function.
+ (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
+ don't need to walk up the stack counting.
+
+2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (combine_strings): Emit a pedantic warning when a
+ string length is greater than the minimum ANSI C is required
+ to support.
+
+Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
+ * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
+
+2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-decl.c (define_label): Warn about identifier conflicts with
+ labels in traditional C.
+
+ * c-parse.in (unop +): Warn about the unary plus operator for
+ traditional C.
+
+ * c-typeck.c (store_init_value): Warn about automatic aggregate
+ initialization for traditional C.
+
+ * invoke.texi (-Wtraditional): Document new warnings.
+
+2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * Makefile.in (c-errors.o): Fix thinko in dependency.
+
+2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
+ -traditional, -ftraditional, or -traditional-cpp was given.
+ Do not pass -traditional to the preprocessor.
+ (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
+ preprocessor does it automatically.
+ * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
+
+ * ch/lang-specs.h: Always use tradcpp. Do not pass
+ -traditional, -trigraphs, or -pedantic to the preprocessor.
+ * f/lang-specs.h (.F spec): Likewise. Don't bother defining
+ _LANGUAGE_FORTRAN.
+
+2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (LOGICAL): Delete macro.
+ (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
+ and && directly.
+
+ * cpphash.c (HASHSIZE): Increase to 4096.
+ (struct hashdummy): Add hash field.
+ (eq_HASHNODE): Compare unreduced hashes, then lengths, then
+ the string values using memcmp.
+ (cpp_lookup): Set dummy.hash.
+
+Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
+
+ * configure.in (m88k-openbsd): Express configuration using new fragment
+ style.
+ * configure: Rebuilt.
+ * m88k/aout-dbx.h: New.
+ * m88k/openbsd.h: New.
+ * m88k/xm-openbsd.h: New.
+
+2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
+
+2000-07-12 Richard Henderson <rth@cygnus.com>
+
+ * reload.c (push_secondary_reload): Make sure to add the new
+ reload at the end, after acquiring secondary memory.
+
+2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
+
+ * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
+ lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
+
+ * c-parse.in (stmt): Delete unused variables.
+
+ * convert.c (convert_to_vector): Likewise.
+
+ * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
+
+ * tree.c (finish_vector_type): Prototype.
+
+2000-07-12 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c: use xmalloc
+ * fixinc/fixincl.c(initialize): set program name for xmalloc
+ * fixinc/fixlib.c(must_malloc): obsolete
+ (is_cxx_header): no longer used - disabled
+ (skip_quote): inserted and disabled for future use
+ * fixinc/fixlib.h: reflects above
+ * fixinc/fixtests.c: removed dinkleberries
+
+2000-07-12 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
+ * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
+
+ * cpphash.c: (struct macro_info, alloc_macro, free_macro,
+ struct toklist_dummy): New.
+ (cpp_free_definition): Free macros with free_macro.
+ (count_params): Don't save parameter spellings. Save macro
+ information in a struct macro_info.
+ (parse_define): Don't allocate a token list.
+ (save_expansion): Allocate the macro's token list, and
+ save parameter spellings if necessary. Use TOKEN_SPELL.
+ (cpp_create_definition): Make list const.
+
+2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * c-typeck.c (pedwarn_c99): Move to
+ * c-errors.c: ... Here.
+ * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
+ * diagnostic.c (verror, vwarning, vpedwarn): Make static.
+ * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
+ (c-errors.o): List dependency.
+
+2000-07-12 Mark Mitchell <mark@codesourcery.com>
+
+ * c-parse.c: Remove.
+ * c-parse.h: Likewise.
+ * c-parse.y: Likewise.
+ * objc/objc-parse.c: Likewise.
+ * objc/objc-pasre.y: Likewise.
+
+2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * gcc.texi: Fix minor typos
+ * extend.texi: Fix minor typos
+
+2000-07-11 Marc Espie <espie@openbsd.org>
+
+ * collect2.c (main): Recognize .lo as object files.
+
+2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
+ true.
+
+ * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
+ with MAP_ANONYMOUS and MAP_ANON.
+ * configure, config.in: Rebuilt.
+
+2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (save_output_state): Remove.
+ (restore_output_state): Likewise.
+ (clear_text_info): New function.
+ (clear_diagnostic_info): Likewise.
+ (output_text_length, is_starting_newline, output_prefix,
+ line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
+ prefixing_policy, output_buffer_ptr_to_format_args): New macros
+ (set_real_maximum_length, output_set_maximum_length,
+ output_set_prefix, output_get_prefix, output_set_maximum_length,
+ output_destroy_prefix, init_output_buffer,
+ reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
+ output_add_newline, output_add_character, output_add_space,
+ output_append_r, output_append, wrap_text, output_format,
+ output_do_printf, output_printf, output_do_verbatim,
+ output_verbatim, verbatim): Use them.
+ (output_clear): Split into cleat_text_info and
+ clear_diagnostic_info.
+ (struct output_state): Move to...
+
+ * diagnostic.h: ...Here
+ (struct output_buffer): Adjust.
+
+2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (parse_name): No longer inline (premature optimization).
+ (do_pop_context): Fold into pop_context.
+ (pop_context): Returns int.
+ (lex_next): Hoist test for end of directive into pop_context.
+ (push_macro_context): Returns int; takes just reader and token.
+ Hoist test for excessive nesting to caller.
+ (push_arg_context): Returns void; takes just reader and token.
+ Do not call stringify_arg or get_raw_token.
+ (get_raw_token): Convert tail recursion through push_arg_context
+ to a loop at this level. Call stringify_arg here if appropriate.
+ (maybe_paste_with_next): Convert tail recursion to a while loop.
+ Hoist test of paste_level to caller.
+
+ (stringify_arg): Push arg context at beginning.
+ (cpp_get_token): Split out core into _cpp_get_token. Call
+ process_directive here. Throw away CPP_PLACEMARKER tokens.
+ (_cpp_get_token): Convert tail recursion through
+ push_macro_context to a loop at this level.
+ (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
+ _cpp_get_raw_token): Use _cpp_get_token.
+ (_cpp_skip_rest_of_line): Drop the context stack directly; do
+ not call pop_context.
+ (_cpp_run_directive): Call lex_next directly.
+
+ * cpphash.h: Prototype _cpp_get_token.
+ * cppexp.c (lex): Use it.
+ * cpphash.c (parse_define): Use it.
+ * cpplib.c (get_define_node, do_undef, parse_include,
+ read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
+ do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
+ parse_ifdef, validate_else): Use it.
+ (cpp_push_buffer): Tweak error message; abort if anyone tries
+ to push a buffer while macro expansions are stacked.
+
+2000-07-11 Donn Terry <donnte@microsoft.com>
+
+ * cpplex.c (free_macro_args, save_token): Cast arg of free
+ and/or xrealloc to PTR.
+ (_cpp_init_input_buffer): Clear all fields of the base context.
+
+Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * gensupport.c (process_rtx): Make rtl checking stop
+ complaining about the define_insn while it is being
+ converted from a define_insn_and_split.
+
+Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (simple_memory_operand): Access the
+ INTVAL of the address, not it's containing MEM.
+
+2000-07-11 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixtests.c(double_slash): obsolete
+ (else_endif_label): likewise
+ * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
+ (libc1_ifdefd_memx): correct initial comment
+ and omit the #if/#endif pair from the memxxx declarations
+ * fixinc/fixincl.x: regen
+
+2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
+
+2000-07-11 Neil Booth <NeilB@earthling.net>
+
+ * cpp.texi: Update.
+
+2000-07-11 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c: (cpp_reader_init): Allow digraphs by default.
+ (handle_option): Set digraphs according to standard.
+ Merge OPT_lang_c89 handler with OPT_std_c89.
+
+ * cpplex.c: (lex_line, can_paste): Honor digraphs in
+ accordance with the digraphs flag.
+
+ * cpplib.h: (struct cpp_options): New option digraphs.
+
+2000-07-10 Hans-Peter Nilsson <hp@axis.com>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
+ * fixinc/fixincl.x: Regenerate.
+ * fixinc/tests/base/testing.h: Add testcase.
+
+2000-07-10 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (got_symbolic_operand): New.
+ (symbolic_operand, move_operand): Revert 0701 change.
+ * config/ia64/ia64.h (PREDICATE_CODES): Update.
+ * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
+ * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
+ split the offset into a 14-bit low part instead of a 13-bit low part.
+ (load_fptr): Mark the mem as unchanging.
+ (load_symptr): Use got_symbolic_operand.
+
+2000-07-10 Nick Clifton <nickc@cygnus.com>
+
+ * libgcc2.c (next_stack_level): Cast result of computation to
+ (void **) so that the assignment does not generate a warning.
+
+2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
+
+ * flags.h : Add new variable flag_single_precision_constant.
+ * toplev.c (display_help) : Add -fsingle-precision-constant option.
+ (flag_single_precision_constant): New.
+ * c-lex.c (yylex): Convert floating point constant to single
+ precision constant.
+ * invoke.texi : Add documentation for this new option.
+
+2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (output_octal): Second parameter is unsigned.
+ (output_long_octal): Likewise.
+ (output_hexadecimal): Likewise.
+ (output_long_hexadecimal): Likewise.
+ (output_format): Adjust arguments extraction. Tweak.
+ (output_verbatim, verbatim): End variable argument list.
+ (report_diagnostic): Improve documentation.
+
+2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.h (build_stmt): Declare.
+ (build_continue_stmt): Likewise.
+ (build_break_stmt): Likewise.
+ (build_return_stmt): Likewise.
+
+ * c-decl.c (do_case): Rewrite to do what previously done in
+ c-parse.in.
+
+ * c-semantics.c (build_stmt): Define.
+ (build_return_stmt): Likewise.
+ (build_break_stmt): Likewise.
+ (build_continue_stmt): Likewise.
+ (build_case_label): Likewise.
+
+ * c-parse.in (BREAK): Change to build tree, then generate RTL.
+ (CONTINUE): Likewise.
+ (RETURN): Likewise.
+ (CASE): Likewise.
+ (DEFAULT): Likewise.
+
+ * c-parse.y: Regenerate.
+ * c-pasre.c: Likewise.
+
+2000-07-09 Jason Merrill <jason@redhat.com>
+
+ * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
+
+ * tree.h (STRIP_NOPS): Check for error_mark_node.
+ (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
+ (dwarf2out_*): Remove duplicate declarations.
+
+ * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
+ DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
+
+2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (wrap_text): New function.
+ (maybe_wrap_text): Likewise.
+ (output_add_string): Use it.
+ (output_format): Likewise.
+ (count_error): Use verbatim instead of notice.
+ (report_error_function): Likewise. Don't use plain fprintf.
+ (finish_diagnostic): New function.
+ (output_do_verbatim): Tweak. Commonalize functionalities in
+ output_verbatim and verbatim.
+ (output_verbatim): Adjust.
+ (verbatim): Likewise.
+ (report_diagnostic): Define.
+
+ * diagnostic.h (report_diagnostic): Prototype.
+
+2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (_cpp_parse_expr): Don't use unary plus.
+
+2000-07-09 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
+ IShspace, ISspace: Update.
+
+ * cppinit.c: ISTABLE: Update.
+ V: New.
+
+ * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
+ (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
+ (skip_block_comment, skip_line_comment, parse_string,
+ lex_line): Use is_vspace rather than IS_NEWLINE.
+ (skip_whitespace, lex_line): Clean up to use is_nvspace.
+ (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
+ gets a BOL flag.
+ (lex_next): Unconditionally stop if within a directive.
+ Treat directives within macro invocations as directives
+ (after parse_args emits error), not as the argument.
+
+2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (diagnostic_args): New macro.
+ (diagnostic_msg): Likewise.
+ (output_formatted_integer): Likewise.
+ (output_state): New data type.
+ (digit_buffer): Make global.
+ (output_add_integer): Rename to output_decimal. Squeeze
+ digit_buffer.
+ (output_long_decimal, output_unsigned_decimal,
+ output_long_unsigned_decimal, output_octal, output_long_octal,
+ output_hexadecimal, output_long_hexadecimal): New functions.
+ (output_append_r): New function.
+ (output_append): Tweak.
+ (output_flush_on): Rename to output_to_stream.
+ (output_format): Change prototype. Improve documentation. Handle
+ more format specifiers.
+ (build_location_prefix): Rename to context_as_prefix.
+ (output_notice): Rename to output_do_printf.
+ (output_printf): Tweak.
+ (line_wrapper_printf): Likewise.
+ (vline_wrapper_message_with_location): Adjust call to renamed
+ functions.
+ (v_message_with_decl): Likewise.
+ (default_print_error_function): Likewise.
+ (save_output_state): New function.
+ (restore_output_state): Likewise.
+ (output_do_verbatim): Likewise.
+ (output_verbatim): Define.
+ (verbatim): Likewise.
+
+ * diagnostic.h (printer_fn): Change return type from void to int.
+ Improve documentation.
+ (output_add_integer): Rename to output_decimal.
+ (output_flush_on, output_format): Don't export.
+ (output_verbatim, verbatim): Declare.
+
+2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
+ Check whether c divides op1 exactly if operation is not
+ multiplication.
+
+2000-07-08 Richard Henderson <rth@cygnus.com>
+
+ * final.c (final): Do not abort when reg-stack introduces
+ a new insn.
+
+2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (struct cpp_name): Now struct cpp_string.
+ (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
+ CPP_HEADER_NAME): Change to type S.
+ (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
+ field, a cpp_hashnode *. All references to val.name updated
+ to use val.str or val.node as appropriate.
+ (struct cpp_reader): Add spec_nodes field.
+ (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
+
+ * cpphash.h (struct spec_nodes): New.
+ (enum spell_type): Reorder. Only SPELL_STRING tokens use
+ val.str. All references to 'spelling > SPELL_NONE' updated to
+ match.
+
+ (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
+ pfile->buffer->inc are not NULL before dereferencing them.
+
+ * cpplex.c (parse_name): Take a pointer to the current token,
+ plus current position and limit as args; return the new
+ position; don't copy the text of a name into the string
+ buffer, instead call cpp_lookup and store the node pointer.
+ If extending a token, copy out the text of the old into a
+ scratch buffer, append the new, look that up and store the new
+ node pointer. Inline.
+ (maybe_paste_with_next): If the result of paste is a NAME,
+ then look up the pasted text and store its node pointer.
+ (lex_line): Adjust for new parse_name interface.
+ Check for L"str", L'str' using spec_nodes->n_L.
+ (spell_token): SPELL_IDENT tokens have their spelling in
+ val.node->name. Handle SPELL_STRING tokens that don't have
+ string delimiters.
+ (_cpp_expand_name_space,
+ (can_paste): Check for L ## "str" using spec_nodes->n_L.
+ (cpp_get_token, special_symbol): No need to call cpp_lookup.
+ (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
+ return 1=equal 0=not, not a tristate.
+
+ * cpphash.c (var_args_str): Delete.
+ (find_param): Compare node fields directly.
+ (is__va_args__): Use CPP_PEDANTIC. Just compare
+ token->val.node with spec_nodes->n__VA_ARGS__.
+ (dump_funlike_macro): Don't use var_args_str.
+
+ * cpplib.c (_cpp_check_directive): Just walk through
+ spec_nodes->dirs comparing pointers.
+ (get_define_node, do_pragma_poison, detect_if_not_defined,
+ parse_ifdef): The identifier has already been looked up.
+ (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
+ node.
+ (do_if): Only call detect_if_not_defined at beginning of file.
+ (_cpp_parse_assertion): Only copy string pointers for
+ SPELL_STRING tokens.
+ (pragma_dispatch): Take a node pointer and examine its name
+ field.
+ (_cpp_init_stacks): Also initialize the spec_nodes structure.
+
+ * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
+ _cpp_init_macros.
+ (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
+ reverse order from the corresponding _cpp_init_* routines.
+
+ * cppexp.c (parse_number, parse_charconst, parse_defined,
+ lex): Check val.node->type instead of calling cpp_defined.
+ Use spec_nodes entries where appropriate.
+
+ * fix-header.c, scan-decls.c: Update for interface changes.
+
+2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
+ emitting aux_truncdfsf2.
+
+2000-07-03 Donn Terry (donnte@microsoft.com)
+
+ * cppinit.c (print_help): split overlong line into ISO C89
+ maximum chunks.
+
+2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c: Update all code for new lexer interface.
+ (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
+ (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
+ * cpplex.c (token_names): Trim leading CPP_ from names; make
+ the strings unsigned.
+ (_cpp_spell_operator): New.
+ (is_macro_disabled): Disable all macros if rescanning
+ preprocessed text.
+ (_cpp_get_directive_token): Remove.
+
+ * cppinit.c: Don't set no_macro_expand.
+ * cpplib.c (read_line_number, do_line): Check only for EOF,
+ not VSPACE.
+ * cpphash.h: Update prototypes.
+ * cpplib.h (CPP_VSPACE): Remove.
+ (struct cpp_reader): Remove no_macro_expand.
+
+2000-07-08 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.c (is__va_args__): New function.
+ (count_params): Fix line reported in error messages. Use
+ is__va_args__. Don't return ')' on error. Flag GNU style
+ rest args macro definitions.
+ (parse_define): Check macro name is not __VA_ARGS__.
+ (save_expansion): Check identifier in non-varargs-macro is
+ not __VA_ARGS__. Don't flag GNU_VARARGS.
+ * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
+ (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
+ than per-token GNU_VARARGS.
+ * cpplib.h (GNU_VARARGS): Remove.
+ (GNU_REST_ARGS): New.
+
+Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (call_pop, call, call_value_pop): Do not set
+ current_function_uses_pic_offset_table for calls to static
+ functions or indirect calls.
+
+2000-07-07 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (rws_access_reg): New local write_count. If
+ is_predicate_reg, then take max write_count of register pair.
+
+2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tradcpp.c (main): Rename label `include' to `add_include' to
+ avoid conflicts with variable `include' in traditional C.
+
+2000-07-07 Jakub Jelinek <jakub@redhat.com>
+
+ * integrate.c (copy_insn_list): Remove REG_LABEL notes.
+
+2000-07-07 Jakub Jelinek <jakub@redhat.com>
+
+ * sibcall.c (uses_addressof): Add INMEM argument, check for
+ current_function_internal_arg_pointer outside of MEM rtxs in addition
+ to ADDRESSOFs.
+ (sequence_uses_addressof): Update caller.
+
+2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
+ and friends.
+
+2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (UNION_INIT_ZERO): New macro for initializing union
+ members in structs.
+
+ * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
+
+2000-07-07 Neil Booth <NeilB@earthling.net>
+
+ * cpp.texi: Update.
+
+Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
+
+ * final.c (final): Detect out of bounds array access to
+ the insn_lengths array.
+
+2000-07-07 Kazu Hirata <kazu@hxi.com>
+
+ * fold-const.c (fold): Fix a comment typo.
+
+2000-07-07 Neil Booth <NeilB@earthling.net>
+
+ * cpp.texi: Update to new lexer.
+
+2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tradcpp.c: New file.
+ * tradcif.y: New file.
+ * tradcif.c: New generated file.
+
+ * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
+ $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
+ dependencies of C. Install tradcpp from install-common, in
+ $(libsubdir).
+
+2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c: Include cppdefault.h. Refer to
+ cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
+ to GCC_INCLUDE_DIR and its length.
+ (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
+ USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
+ STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
+ cppdefault.h.
+ (include_defaults_array): Move to cppdefault.c.
+
+ * cppdefault.h: New file.
+ * cppdefault.c: New file.
+
+ * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
+ (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
+ (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
+ this file.
+
+Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload.c (push_reload): When seeing if can reuse a register,
+ check extra registers against widest of INMODE and OUTMODE.
+
+2000-07-06 Neil Booth <NeilB@earthling.net>
+
+ * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
+ based on full length of predicate.
+
+2000-07-06 Hans-Peter Nilsson <hp@axis.com>
+
+ * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
+ [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
+
+2000-07-05 Kazu Hirata <kazu@hxi.com>
+
+ * h8300-proto.h: Fix formatting.
+ * h8300.c: Likewise.
+ * h8300.h: Likewise.
+
+2000-07-05 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
+ CCmode.
+
+2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * invoke.texi: Fix minor typos
+ * md.texi: Fix minor typos
+
+2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
+
+2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c: Don't include sys/mman.h.
+ (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
+
+ * cpplib.c: Include sys/mman.h and obstack.h.
+ (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
+ obstack.
+ (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
+ (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
+ bother freeing if stack entries (they will be freed with their buffer).
+ (do_endif): Free if stack entries from the buffer obstack.
+ (push_conditional): Allocate if stack entries from the buffer obstack.
+
+ (find_answer): Rename to _cpp_find_answer.
+ (do_assert, do_unassert): Update.
+
+ * cpphash.h: Update prototypes.
+ (xobnew): New convenience macro.
+ * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
+ Update comments.
+ (struct cpp_hashnode): Remove disabled field.
+
+ * cppinit.c: Don't include hashtab.h or splay-tree.h.
+ (report_missing_guard): Moved to cppfiles.c.
+ (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
+ cpp_init_includes.
+ (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
+ cpp_cleanup_includes. Don't destroy hashtab or
+ all_include_files here.
+ (cpp_finish): Use _cpp_report_missing_guards.
+
+ * cppfiles.c (report_missing_guard): Moved from cppinit.c.
+ (_cpp_init_include_table): Rename _cpp_init_includes.
+ (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
+
+ * cppexp.c (parse_assertion): Update for new name of
+ find_answer.
+
+ * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
+
+2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_ident): s/VSPACE/EOF/
+
+2000-07-05 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c: Fix trigraph replacement within strings.
+
+2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
+
+ * xcoffout.c (assign_type_number): Constify.
+ (xcoffout_source_file): Add static prototype. Don't needlessly
+ cast away const-ness.
+
+2000-07-04 Jason Merrill <jason@redhat.com>
+
+ * frame.h (frame_state): Move base_offset to end.
+
+Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * calls.c (emit_library_call_value_1): Revert previous change.
+
+2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fix-header.c (struct partial_proto): Remove unnecessary fields.
+ (recognized_extern, recognized_function, read_scan_file):
+ Update for new scheme.
+ (check_protection): It's still a multiple include guard even
+ if it doesn't always trigger.
+ * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
+ new scheme.
+ * scan.h: Declare struct cpp_token. Update prototypes.
+
+2000-07-03 Neil Booth <neilb@earthling.net>
+ Zack Weinberg <zack@wolery.cumb.org>
+
+ Complete overhaul of the lexer and macro expander.
+
+ * cpphash.c (object_defn, funct_defn, push_macro_expansion,
+ arg, arglist, argdata, reflist, collect_objlike_expansion,
+ collect_funlike_expansion, collect_params,
+ warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
+ unsafe_chars, macarg, compare_defs, special_symbol,
+ scan_arguments, stringify, funlike_macroexpand,
+ _cpp_quote_string, monthnames): Delete.
+ (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
+ _cpp_create_definition, _cpp_dump_definition,
+ dump_hash_helper): Adjust.
+ (find_param, count_params, parse_define, var_args_str,
+ check_macro_redefinition, save_expansion): New.
+
+ * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
+ parse_string, output_line_command, trigraph_replace,
+ lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
+ cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
+ cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
+ _cpp_skip_rest_of_line): Modify.
+
+ (maybe_macroexpand, skip_comment, copy_comment, skip_string,
+ find_position, null_warning, bump_column, expand_name_space,
+ pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
+ _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
+ _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
+ _cpp_prescan): Delete.
+
+ (dump_param_spelling, process_directive, lex_next,
+ is_macro_disabled, stringify_arg, expand_context_stack,
+ output_token, make_string_token, alloc_number_token,
+ special_symbol, duplicate_token, maybe_paste_with_next,
+ can_paste, prevent_macro_expansion, restore_macro_expansion,
+ get_temp_token, release_temp_tokens, quote_string,
+ token_names, token_spellings, _cpp_expand_name_space,
+ _cpp_glue_header_name, _cpp_reserve_name_space,
+ digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
+ placemarker_token, eof_token, cpp_context, macro_args,
+ get_raw_token, parse_arg, parse_args, save_token,
+ push_arg_context, push_macro_context, pop_context,
+ do_pop_context, free_macro_args, _cpp_get_line,
+ _cpp_run_directive): New.
+
+ * cpplib.c (validate_else, parse_include, push_conditional,
+ pass_thru_directive, read_line_number, parse_ifdef,
+ detect_if_not_defined, _cpp_check_directive, do_define,
+ do_undef, do_include, do_import, do_include_next, do_error,
+ do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
+ top_pragmas, do_pragma_gcc, do_pragma_implementation,
+ do_pragma_poison, do_pragma_system_header,
+ do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
+ dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
+ do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
+ cpp_defined): Update for new scheme.
+ (strtoul_for_line, get_define_node, dump_macro_name,
+ _cpp_check_linemarker, _cpp_parse_assertion): New.
+ (_cpp_handle_directive, do_pragma_default): Delete.
+
+ * cpphash.h (struct predicate): Now struct answer.
+ (enum spell_type, struct token_spelling, struct directive,
+ directive_handler): New.
+ Update prototypes. Remove unused macros.
+ * cpplib.h: Update prototypes. Remove unused macros,
+ structure definitions, and fields.
+
+ * cpperror.c (print_containing_files, v_message): Adjust.
+ * cppexp.c (parse_assertion, lex, parse_escape,
+ _cpp_parse_expr): Adjust.
+ * cppfiles.c (open_include_file, _cpp_execute_include,
+ _cpp_compare_file_date, cpp_read_file, read_include_file):
+ Adjust.
+ * cppinit.c (dump_special_to_buffer): Delete.
+ (append_include_chain, merge_include_chains, cpp_reader_init,
+ cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
+ cpp_finish, handle_option, print_help): Adjust.
+ * cppmain.c (main): Adjust.
+
+2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppspec.c (lang_specific_driver): Use double quotes in error
+ message.
+
+Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * calls.c (emit_library_call_value_1): Use valreg instead
+ of hard_libcall_value.
+
+2000-07-03 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_move): New function.
+ * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
+ * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
+ (movhi): Likewise.
+ (movqi): Likewise.
+ (movdf): Likewise.
+ (movsf): Likewise.
+ (movdi): Likewise.
+ (movti): Likewise.
+
+ * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
+ mode instead of wider_mode is being used.
+
+2000-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
+ of 'r'. Use q_regs_operand.
+ (andsi_1+2): Use q_regs_operand.
+
+2000-07-03 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (get_memory_rtx): Always put into alias set 0.
+
+2000-07-03 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.md: Fix post increment and pre increment
+ peepholes so that they do not generate UNPREDICATBLE opcodes.
+ (ie ones where the increment clobbers the source/destination).
+
+2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
+ change too big for -mtiny-stack" a warning, if larger than 63.
+ (out_set_stack_ptr): Change the logic so -mno-interrupts is
+ always safe to use on possible future devices.
+ (function_prologue): Write SPH before SPL, for consistency.
+ If interrupt_func_p true, we know we have enabled interrupts.
+ (avr_num_arg_regs): New function. Round up to even number of
+ bytes if no -mpack-args or if calling a libgcc function.
+ (function_arg, function_arg_advance): Use it.
+ (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
+ Output "movw" if available.
+ (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
+ of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
+ (asm_output_section_name): Add blanks for consistent output.
+ (encode_section_info): Set TREE_READONLY for progmem data to
+ avoid gas warnings about changed section attributes.
+ (avr_hard_regno_mode_ok): Force non-QImode data to start in
+ even numbered registers on devices with "movw".
+ * config/avr/avr.h (MASK_*): Define bits for target_flags.
+ (TARGET_SWITCHES): Mark help strings for translation.
+ Add new -mpack-args and -menhanced switches.
+ (TARGET_OPTIONS): Mark help strings for translation.
+ (progmem_section): Add section attributes.
+ * config/avr/avr.md (*movhi, call_insn, call_value_insn):
+ Output "movw" if available.
+ (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
+ New patterns.
+ * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
+ call convention (arguments aligned on even registers).
+ (_cleanup, _exit): Make weak symbols libc can override.
+
+2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fp-bit.h: New file.
+
+ * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
+ Comment #endif statements.
+ (__thenan_sf, __thenan_df): Add missing braces around initializer.
+
+Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (compute_pre_data): Compute ae_kill using other local
+ properties instead of calling compute_ae_kill.
+
+ * alias.c (init_alias_analysis): Do not call
+ prologue_epilogue_contains until after reload has completed.
+
+2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
+ (genrtl_finish_compound_stmt): Likewise.
+ (genrtl_compound_stmt): Change to return void.
+
+ * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
+ move code from here to ...
+ (genrtl_compound_stmt): ... here.
+ (genrtl_finish_compound_stmt): Remove.
+ (expand_stmt): Add comment.
+
+2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
+ and VOID_TYPE_P.
+
+2000-07-02 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplib.h (struct cpp_reader): New field include_depth.
+ (struct cpp_printer): Rename last_bsd to last_id.
+ * cppfiles.c (read_include_file): Bump include_depth.
+ * cpplex.c (cpp_pop_buffer): Decrement include_depth.
+ (output_line_command): Output correct #line if a header
+ is including itself and is not protected against multiple inclusion.
+ Use include_depth instead of buffer_stack_depth, last_id instead of
+ last_bsd.
+ * cppinit.c (cpp_start_read): Initialize last_id instead of
+ last_bsd.
+
+2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
+
+ * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
+ (c-semantics.o): New target.
+
+ * c-common.h (TREE_LANG_FLAG_?): Added documentation.
+ (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
+ (genrtl_clear_out_block): Likewise.
+ (genrtl_goto_stmt): Likewise.
+ (genrtl_expr_stmt): Likewise.
+ (genrtl_decl_stmt): Likewise.
+ (genrtl_if_stmt): Likewise.
+ (genrtl_while_stmt): Likewise.
+ (genrtl_do_stmt): Likewise.
+ (genrtl_return_stmt): Likewise.
+ (genrtl_for_stmt): Likewise.
+ (genrtl_break_stmt): Likewise.
+ (genrtl_continue_stmt): Likewise.
+ (genrtl_scope_stmt): Likewise.
+ (genrtl_switch_stmt): Likewise.
+ (genrtl_case_label): Likewise.
+ (genrtl_begin_compound_stmt): Likewise.
+ (gerntl_finish_compound_stmt): Likewise.
+ (genrtl_compound_stmt): Likewise.
+ (genrtl_asm_stmt): Likewise.
+ (genrtl_decl_cleanup): Likewise.
+ (DECL_ANON_UNION_ELEMS): Likewise.
+ (emit_local_var): Likewise.
+ (make_rtl_for_local_static): Likewise.
+ (expand_cond): Likewise.
+ (expand_stmt): Likewise.
+ (c_expand_return): Likewise.
+ (c_expand_start_case): Likewise.
+ (do_case): Likewise.
+ (COMPOUND_STMT_NO_SCOPE): Likewise.
+ (c_expand_asm_operands): Likewise.
+ (NEW_FOR_SCOPE_P): New macro.
+ (expand_expr_stmt_fn): New type.
+
+ (set_current_function_name_declared): Likewise.
+ (current_function_name_declared): Likewise.
+ (lang_expand_stmt): Likewise.
+ (stmts_are_full_exprs_p): Likewise.
+ (anon_aggr_type_p): Likewise.
+ (lang_expand_expr_stmt): Likewise.
+ (build_case_label): Likewise.
+
+ * c-decl.c (lang_expand_expr_stmt): Initialize.
+ (stmts_are_full_exprs_p): Define.
+ (current_function_name_declared): Likewise.
+ (do_case): Likewise.
+ (lang_expand_stmt): Likewise.
+ (set_current_function_name_declared): Likewise.
+ (anon_aggr_type_p): Likewise.
+
+ * c-semantics.c: New file.
+ (expand_cond): Moved from cp/semantics.c.
+ (genrtl_do_pushlevel): Likewise.
+ (genrtl_clear_out_block): Likewise.
+ (genrtl_goto_stmt): Likewise.
+ (genrtl_expr_stmt): Likewise.
+ (genrtl_decl_stmt): Likewise.
+ (genrtl_if_stmt): Likewise.
+ (genrtl_while_stmt): Likewise.
+ (genrtl_do_stmt): Likewise.
+ (genrtl_return_stmt): Likewise.
+ (genrtl_for_stmt): Likewise.
+ (genrtl_break_stmt): Likewise.
+ (genrtl_continue_stmt): Likewise.
+ (genrtl_scope_stmt): Likewise.
+ (genrtl_switch_stmt): Likewise.
+ (genrtl_case_label): Likewise.
+ (genrtl_begin_compound_stmt): Likewise.
+ (genrtl_finish_compound_stmt): Likewise.
+ (genrtl_compound_stmt): Likewise.
+ (genrtl_asm_stmt): Likewise.
+ (genrtl_decl_cleanup): Likewise.
+ (make_rtl_for_local_static): Moved from cp/decl.c.
+ (emit_local_var): Likewise.
+ (expand_stmt): Define.
+
+ * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
+ (c_expand_return): Likewise.
+ (c_expand_start_case): Likewise.
+
+2000-07-01 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
+ with the low 13 bits set.
+ (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
+ * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
+ of the low 13 bits into a CONST plus an adddi3.
+ (load_symptr): Set RTX_UNCHANGING_P.
+
+2000-06-30 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
+ * c-common.c (ridpointers): Declare.
+ * c-common.h (enum rid): Declare.
+ (NORID): Likewise.
+ (ridpointers): Likewise.
+ * c-lex.c (ridpointers): Don't declare.
+ (init_lex): Initialize ridpointers.
+ * c-lex.h (enum rid): Don't declare.
+ (NORID): Likewise.
+ (RID_FIRST_MODIFIER): Likewise.
+ (ridpointers): Likewise.
+
+2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
+ have global scope.
+
+2000-06-30 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (-Wreturn-type): In C++, a missing return type is
+ always an error.
+
+2000-06-30 Catherine Moore <clm@cygnus.com>
+
+ * c-common.c (decl_attributes): Differentiate between
+ types and type decls for alignment.
+
+2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpp.texi: Document #pragma GCC dependency
+ * cppfiles.c (open_include_file): Set date to unknown.
+ (_cpp_compare_file_date): New function.
+ (read_include_file): Set file date.
+ * cpphash.h (struct include_file): Add date member.
+ (_cpp_compare_file_date): Prototype.
+ * cpplib.c (parse_include): Add trail parameter. Adjust.
+ (do_include): Adjust parse_include call.
+ (do_import): Likewise.
+ (do_include_next): Likewise.
+ (gcc_pragmas): Add dependency pragma.
+ (do_pragma_dependency): New pragma.
+
+2000-06-29 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (output_loc_operands): Don't abort on codes that have
+ no operands.
+
+2000-06-29 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
+ a volatile mem and FR_REGS.
+
+2000-06-29 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
+ * c-common.h (flag_const_strings): Declare.
+ (warn_format): Likewise.
+ (flag_traditional): Likewise.
+ (flag_isoc99): Likewise.
+ (warn_parentheses): Likewise.
+ (warn_conversion): Likewise.
+ (C_TYPE_OBJECT_P): Likewise.
+ (C_TYPE_INCOMPLETE_P): Likewise.
+ (C_TYPE_FUNCTION_P): Likewise.
+ (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
+ (C_EXP_ORIGINAL_CODE): Likewise.
+ (build_unary_op): Likewise.
+ (build_binary_op): Likewise.
+ (lvalue_p): Likewise.
+ (default_conversion): Likewise.
+ (common_type): Likewise.
+ * c-tree.h (C_TYPE_OBJECT_P): Remove.
+ (C_TYPE_INCOMPLETE_P): Likewise.
+ (C_TYPE_FUNCTION_P): Likewise.
+ (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
+ (C_EXP_ORIGINAL_CODE): Likewise.
+ (common_type): Likewise.
+ (default_conversion): Likewise.
+ (build_binary_op): Likewise.
+ (build_unary_op): Likewise.
+ (lvalue_p): Likewise.
+ (flag_const_strings): Likewise.
+ (warn_format): Likewise.
+ (warn_conversion): Likewise.
+ (flag_traditional): Likewise.
+ (flag_isoc99): Likewise.
+ (warn_parentheses): Likewise.
+
+2000-06-29 James E. Wilson <wilson@cygnus.com>
+
+ * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
+
+ * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
+ same. Only tie XFmode with XFmode.
+
+2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c, timevar.c, tlink.c: Include intl.h.
+ * Makefile.in: Update deps.
+
+2000-06-29 Andrew Haley <aph@cygnus.com>
+
+ * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
+ to true.
+
+2000-06-29 Andrew Haley <aph@cygnus.com>
+
+ * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
+ bytes: remove the multiply by 8.
+
+2000-06-29 Philipp Thomas <pthomas@suse.de>
+
+ * rtl.c : Revert NLS changes.
+ * gcc.c : Fix bug in display_help introced by my last changes.
+
+Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
+
+ * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
+ DECL_CONTEXT, not DECL_FIELD_CONTEXT.
+
+2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_depth_first_order_compute): Fix algorithm.
+
+2000-06-28 Philipp Thomas <pthomas@suse.de>
+
+ * c-decl.c : Mark strings for translation.
+ (parmlist_tags_warning): Use distinct messages instead
+ of conditional expressions.
+ * diagnostic.c (v_message_with_decl): Mark string for translation.
+ * gcc.c: Mark messages for translation.
+ (display_help): Combine messages into one string where necessary.
+ * mips-tfile: Add intl.h. Mark messages for translation.
+ * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
+ messages for translation.
+ * timevar.c: Mark messages for translation.
+ * tlink.c: Likewise.
+ * toplev.c: Likewise.
+
+Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
+
+ * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
+
+ * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
+ use -isystem instead of -idirafter.
+ * i386/i386-interix.h: Likewise.
+
+2000-06-28 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (output_loc_operands): Don't support >1 byte output
+ unless DWARF2_DEBUGGING_INFO is defined.
+ (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
+
+2000-06-28 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
+
+2000-06-28 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplex.c (output_line_command): Output correct #line if a header
+ is including itself and is not protected against multiple inclusion.
+
+2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (open_include_file): If open(2) returns EMFILE or
+ ENFILE, close all cached file descriptors and try again.
+ (_cpp_execute_include): Keep a count of the number of times
+ each header is included.
+ (close_cached_fd): New function.
+ * cpphash.h (struct include_file): Rename before to
+ include_count; all users updated. Make include_count and sysp
+ unsigned short.
+ * cppinit.c (cpp_finish): If -H, report headers that could use
+ reinclude guards.
+ (report_missing_guard): New function.
+
+Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (prologue_set_got): Set length_immediate field.
+ (testqi_ccno_1): Add missing '@' character.
+
+2000-06-27 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
+ DWARF_FRAME_REGNUM.
+
+2000-06-27 Andrew Macleod <amacleod@cygnus.com>
+
+ * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
+ unsigned macros available.
+
+2000-06-27 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (emit_insn_group_barriers): Special case
+ epilogue_deallocate_stack.
+
+ * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
+ completers for UNORDERED and ORDERED as well.
+ * config/ia64/ia64.md (bunordered, bordered): New.
+ (sunordered, sordered): New.
+
+Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
+ * i386.c (ix86_attr_length_default): Kill.
+ (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
+ New.
+ * i386-protos.h (ix86_attr_length_default): Kill
+ (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
+ Add prototype
+ * i386.md (attribute type): Add "test".
+ (attribute length_prefix): Kill.
+ (attribute length_opcode): Kill.
+ (attribute i387, mode, length_immediate, length_address, prefix_data16,
+ prefix_rep, prefix_0f, modrm): New.
+ (attribute length): Compute using the new attributes.
+ (attribute pent_prefix): New.
+ (attribute pent_pair): Compute using pent_prefix.
+ (all insn patterns): Set mode,modrm and immediate_length attributes where
+ needed.
+ (cmpsi patterns): Compute sizes properly for test instruction.
+ (movsi, movhi patterns): Compute sizes properly for eax shortcuts.
+ (movstricthi_xor, movstrictqi_xor): New patterns.
+ (andsi/andhi): Use splitters to generate xor instructions.
+ (xorqi_ext_1): New pattern.
+ (movstricthi->movstricthi_xor peep2): New.
+
+Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (addqi_low_1): Remove.
+
+2000-06-27 Philipp Thomas <pthomas@suse.de>
+
+ * 1750a.h: Mark help strings for options/switches for translation.
+ * a29k.h: Likewise.
+ * alpha.h: Likewise.
+ * arm.h: Likewise.
+ * pe.h: Likewise.
+ * riscix.h: Likewise.
+ * c4x.h: Likewise.
+ * clipper.h: Likewise.
+ * convex.h: Likewise.
+ * elxsi.h: Likewise.
+ * fr30.h: Likewise.
+ * fx80.h: Likewise.
+ * h8300.h: Likewise.
+ * i370.h: Likewise.
+ * cygwin.h: Likewise.
+ * dgux.h: Likewise.
+ * djgpp.h: Likewise.
+ * i386.h: Likewise.
+ * osf1elf.h: Likewise.
+ * osfrose.h: Likewise.
+ * sco5.h: Likewise.
+ * win32.h: Likewise.
+ * i860.h: Likewise.
+ * paragon.h: Likewise.
+ * i960.h: Likewise.
+ * ia64.h: Likewise.
+ * m32r.h: Likewise.
+ * mcore.h: Likewise.
+ * mips.h: Likewise.
+ * mn10300.h: Likewise.
+ * ns32k.h: Likewise.
+ * pdp11.h: Likewise.
+ * pj.h: Likewise.
+ * aix.h: Likewise.
+ * aix41.h: Likewise.
+ * aix43.h: Likewise.
+ * beos.h: Likewise.
+ * rs6000.h: Likewise.
+ * sysv4.h: Likewise.
+ * linux.h: Likewise.
+ * linux64.h: Likewise.
+ * sp64-elf.h: Likewise.
+ * sparc.h: Likewise.
+ * splet.h: Likewise.
+ * v850.h: Likewise.
+ * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
+ for translation.
+ * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
+ Properly document option and mark for translation.
+ * sp86x-elf.h: Likewise.
+
+2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ Add MMX and SSE registers to i386 machine description.
+ * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
+ ix86_local_alignment): Declare.
+
+ * i386.h (TARGET_MMX, TARGET_SSE): New.
+ (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
+ REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
+ REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
+ enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
+ (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
+ (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
+ (RETURN_IN_MEMORY): Handle MMX/SSE.
+ (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
+ also get stack space.
+ (MUST_PASS_IN_STACK): Added TImode to the default definition.
+ (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
+ (MMX_REGISTER_NAMES): New.
+ (ALIGN_MODE_128): New macro.
+ (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
+ (DATA_ALIGNMENT): Likewise.
+ (LOCAL_ALIGNMENT): Likewise.
+ (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
+ TARGET_MMX/TARGET_SSE.
+ (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
+ (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
+ (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
+ SSE/MMX regs and something else.
+ (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
+ (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
+ 3 if moving between MMX regs and something else.
+
+ * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
+ (regclass_map): Add MMX/SSE registers.
+ (print_operand): Add code to print XMMWORD as appropriate.
+ (ix86_split_movdi): Abort for MMX regs.
+ (init_cumulative_args): Also allow SSE_REGS
+ (function_arg_advance, function_arg): Likewise
+ (print_reg): Support 'm'. Add case for TImode.
+ (override_options): TARGET_SSE implies TARGET_MMX.
+ (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
+ New functions.
+
+ * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
+ FIRST_SSE_REG.
+ * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
+ memory.
+ * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
+ * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
+
+2000-06-26 Geoff Keating <geoffk@cygnus.com>
+
+ * ssa.c (struct rename_set_data): Change the name of field
+ 'set_dest' to 'old_reg'. Add comments.
+ (struct rename_context): Change the name of 'set_data' to
+ 'new_renames'. Add new field 'done_renames'.
+ (create_delayed_rename): New function.
+ (apply_delayed_renames): New function.
+ (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
+ SUBREGs and similar by emitting a move.
+ (new_registers_for_updates): Delete, functionality moved to
+ apply_delayed_renames.
+ (rename_block): Handle moves emitted by rename_insn_1 by putting
+ them into a SEQUENCE with the original insn. Add sanity checks
+ and comments.
+ (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
+ (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
+
+2000-06-26 Andrew Macleod <amacleod@cygnus.com>
+ Jason Merrill <jason@redhat.com>
+
+ * dwarf2.h (enum dwarf_call_frame_info): Add
+ DW_CFA_def_cfa_expression.
+ * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
+ dw_loc_descr_struct entry.
+ (struct cfa_loc): New structure to track a CFA location.
+ (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
+ (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
+ offset, plus handle DW_CFA_def_cfa_expression.
+ (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
+ cfa_loc record.
+ (dwarf2out_def_cfa): Entry point maintained for compatibility.
+ (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
+ (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
+ (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
+ (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
+ cfa_reg.
+ (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
+ sequences for the new DW_CFA_def_cfa_expression record.
+ (dwarf2out_frame_debug): Use new variables/fields.A
+ (output_cfi): Handle DW_CFA_def_cfa_expression.
+ (output_cfa_loc): New function to generate a CFI record for
+ DW_CFA_def_cfa_expression.
+ (get_cfa_from_loc_descr): New function to get a cfa_loc record from
+ a dw_loc_descr sequeunce.
+ (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
+ (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
+ size_of_locs, output_loc_operands, output_loc_sequence): Move into
+ unwind info section.
+ * frame.h (frame_state): Add base_offset and indirect fields.
+ * frame-dwarf2.c (decode_stack_op): New function to interpret a
+ dw_loc_descr operation.
+ (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
+ (struct frame_state): Add base offset and indirect fields.
+ * libgcc2.c (next_stack_level): Support indirect loading for CFA.
+
+2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
+ Make warnings about implicit int be pedwarns in C99. Don't warn
+ about duplicate type qualifiers in C99.
+ (start_function): Make warning about implict int return type be a
+ pedwarn in C99.
+ * c-lex.c (yylex): Don't warn about `long long' in C99.
+ * c-typeck.c (c_expand_return): In C99, always pedwarn about
+ `return' with no value in function returning non-void.
+
+2000-06-26 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (pedwarn_c99): New.
+ * diagnostic.c (verror, vwarning, vpedwarn): Export.
+ * toplev.h: Prototype them.
+
+2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * c-typeck.c (digest_init): Return error_mark_node node when
+ TREE_TYPE (init) == error_mark_node.
+
+2000-06-26 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
+ test for msgfmt without path instead.
+ * configure: Rebuilt.
+
+2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * gengenrtl.c (special_rtx): Fix typo in comment.
+
+2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * mklibgcc.in (LIB2FUNCS): Add missing space.
+
+2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.h (enum tree_index): Add vector type nodes.
+ Add accessor macros for them.
+ (TYPE_REPRESENATION_TYPE): New macro.
+ * tree.c (build_common_tree_nodes_2): Build these nodes.
+ (finish_vector_type): New function.
+ * c-common.c (type_for_mode): Handle vector modes.
+ * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
+
+ * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
+ * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
+ * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
+ (gen_type_die): Likewise.
+ * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
+ (fundamental_type_code): Likewise.
+ (type_is_fundamental): VECTOR_TYPEs aren't.
+ (output_type): Handle VECTOR_TYPEs.
+
+2000-06-25 Kazu Hirata <kazu@hxi.com>
+
+ * config/arm.c: Fix a comment typo.
+ * config/arm.h: Likewise.
+
+2000-06-25 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
+ compiler found.
+ AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
+ * configure: Rebuilt.
+
+2000-06-25 John David Anglin <dave.anglin@nrc.ca>
+
+ * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
+
+2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
+ libgcc.a.
+
+2000-06-24 Marc Espie <espie@cvs.openbsd.org>
+
+ * collect2.c (resolve_lib_name): Move '/' check out of loop.
+
+2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
+
+ * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
+
+2000-06-24 Jakub Jelinek <jakub@redhat.com>
+
+ * stmt.c (expand_decl_cleanup): Emit a dummy insn after
+ last_unconditional_cleanup.
+
+2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.def (VECTOR_TYPE): New node type.
+ * tree.h: Adjust some comments to reflect addition of vector types.
+ (TYPE_VECTOR_SUBPARTS): New macro.
+ * stor-layout.c (layout_type): Handle VECTOR_TYPE.
+ * c-convert.c (convert): Likewise.
+ * convert.c (convert_to_integer): Handle vector modes.
+ (convert_to_vector): New function.
+ * convert.h (convert_to_vector): Declare.
+ * expr.c (convert_move): Handle vector modes.
+ * expmed.c (extract_bit_field): Don't abort for vector modes.
+
+2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
+ * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
+ New functions, common code moved from function_{prologue,epilogue}
+ and extended to support the -mtiny-stack option.
+ (function_prologue, function_epilogue): Use them.
+ Use lo8/hi8 consistently for asm output readability.
+ (avr_hard_regno_mode_ok): New function.
+ * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
+ (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
+ (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
+ * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
+ Write SPH before SPL.
+ (*movqi): No need to disable interrupts for just one "out"
+ in alternative 5. Change length attribute from 4 to 1.
+ * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
+ Write SPH before SPL.
+
+2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * rtl.texi (Vector Operations): New node.
+ (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
+ (Conversions): Add ss_truncate, us_truncate.
+ * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
+ VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
+ US_TRUNCATE): New rtx codes.
+ * machmode.def: Add vector modes.
+ * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
+ MODE_VECTOR_FLOAT.
+ (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
+ (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
+ (VECTOR_MODE_P): New.
+
+2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpp.texi: Clarify #pragma GCC namespace.
+
+2000-06-24 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
+ all catalogs specified in ALL_LINGUAS.
+ * configure: Rebuilt.
+
+2000-06-23 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (reload_outdi+1): Handle
+ HOST_BITS_PER_WIDE_INT == 64 case correctly.
+ (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
+
+2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
+
+ * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
+ struct vs. scalar-ness when -fno-strict-aliasing.
+
+2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpplib.c (struct pragma_entry): New structure.
+ (pragma_dispatch): Pragma dispatcher.
+ (top_pragmas, gcc_pragmas): New static variables.
+ (do_pragma): Use pragma_dispatch.
+ (do_pragma_gcc): New pragma handler.
+ * cpp.texi: Update.
+
+2000-06-23 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (compute_argument_addresses): Force stack slots into
+ alias set 0.
+ * expr.c (emit_push_insn): Force pushes into alias set 0.
+
+2000-06-23 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
+ * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
+
+2000-06-22 Jason Merrill <jason@redhat.com>
+
+ * toplev.c (compile_file): Always call timevar_print.
+ * Makefile.in (calls.o): Depend on TIMEVAR_H.
+
+2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
+
+ * varasm.c (constant_descriptor): Make contents unsigned char.
+ (mark_const_hash_entry): Adjust.
+ (const_hash): Just hash the code of unknown nodes.
+ (compare_constant_1): Adjust for unsigned char.
+ Use language specific expander on unknown nodes.
+ (record_constant_1): Likewise.
+
+2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (cpp_make_system_header): New function.
+ * cpplib.h: Prototype it.
+ * cpplib.c (do_line, do_pragma_system_header): Use it.
+ * fix-header.c (read_scan_file): Use it.
+
+ * fix-header.c (check_macro_names): Cast second arg of
+ cpp_defined to const unsigned char *.
+ (read_scan_file): Make getchar_call const unsigned char.
+
+2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Include splay-tree.h, not hashtab.h.
+ (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
+ (destroy_include_file_node): New.
+ (_cpp_init_include_hash): Rename _cpp_init_include_table.
+ Create a splay tree, not a hash table.
+ (open_include_file): Look up the path in the include table,
+ do the multiple include optimization here, etc.
+ (cpp_included): Walk the path.
+ (find_include_file): Just walk the path calling
+ open_include_file, or call it directly for an absolute path.
+ (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
+ scheme.
+ (read_include_file): Update for new scheme. Don't close the
+ file unless reading fails.
+ (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
+
+ * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
+ (struct include_file): New.
+ (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
+ macros.
+ (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
+ Update prototypes.
+
+ * cppinit.c: Include splay-tree.h.
+ (cpp_reader_init, cpp_cleanup): Update.
+
+ * cpplib.h (struct cpp_buffer): Change ihash field to
+ 'struct include_file *inc'. Remove system_header_p.
+ (struct cpp_reader): Change all_include_files to a
+ struct splay_tree_s *.
+
+ * cpplex.c: Update all references to cpp_buffer->ihash and/or
+ cpp_buffer->system_header_p.
+ (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
+
+ * Makefile.in (SPLAY_TREE_H): New macro.
+ (cppfiles.o, cppinit.o): Update dependencies.
+
+Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
+
+ * invoke.texi (g++): "g++" is not a script anymore.
+
+2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * function.c (round_down): Delete obsolete prototype.
+
+ * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
+
+2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Use 'test a = b' not 'test a == b'.
+ * configure: Regen.
+
+ * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
+
+ * Makefile.in: Remove all references to HOST_INTLLIBS.
+
+ * cpplex.c (parse_name): Don't warn about $ in identifiers if
+ skipping.
+
+2000-06-20 Philipp Thomas <pthomas@suse.de>
+
+ * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
+ for PA 2.0.
+
+Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Take REG_INC notes into account.
+
+2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
+ (primary: IDENTIFIER): Just call build_external_ref.
+ * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+ Regenerate.
+ * c-lex.c (lastiddecl): Remove.
+ (yylex): Replace all instances of lastiddecl with local
+ variables.
+
+ * c-typeck.c (build_external_ref): New function. Treat decls
+ with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
+ Look up the decl from the id here. Call lookup_objc_ivar.
+ * c-lang.c (lookup_objc_ivar): Stub.
+ * objc/objc-act.c (lookup_objc_ivar): New function.
+
+ * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
+ * c-lex.h: Don't declare lastiddecl.
+
+2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.h (IF_COND): Added documentation.
+ (THEN_CLAUSE): Likewise.
+ (ELSE_CLAUSE): Likewise.
+ (WHILE_COND): Likewise.
+ (WHILE_BODY): Likewise.
+ (DO_COND): Likewise.
+ (DO_BODY): Likewise.
+ (RETURN_EXPR): Likewise.
+ (EXPR_STMT_EXPR): Likewise.
+ (FOR_INIT_STMT): Likewise.
+ (FOR_COND): Likewise.
+ (FOR_EXPR): Likewise.
+ (FOR_BODY): Likewise.
+ (SWITCH_COND): Likewise.
+ (SWITCH_BODY): Likewise.
+ (CASE_LOW): Likewise.
+ (CASE_HIGH): Likewise.
+ (GOTO_DESTINATION): Likewise.
+ (COMPOUND_BODY): Likewise.
+ (ASM_CV_QUAL): Likewise.
+ (ASM_STRING): Likewise.
+ (ASM_OUTPUTS): Likewise.
+ (ASM_INPUTS): Likewise.
+ (ASM_CLOBBERS): Likewise.
+ (DECL_STMT_DECL): Likewise.
+ (STMT_EXPR_STMT): Likewise.
+ (LABEL_STMT_LABEL): Likewise.
+
+ * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
+ COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
+ RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
+ LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
+
+2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (--enable-checking): Update --help doc to reflect
+ new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
+
+Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
+
+ * function.c (put_var_into_stack): Don't reference DECL_ fields
+ if input is a SAVE_EXPR.
+ Use set_mem_attributes in COMPLEX case.
+
+2000-06-18 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
+ (ia64_file_start): Declare.
+ * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
+ (GR_REGNO_P): Likewise.
+ * config/ia64/ia64.c: Many prototypes.
+ (ia64_reg_numbers): Constify.
+ (ia64_input_reg_names, ia64_local_reg_names): Likewise.
+ (ia64_section_threshold): Make unsigned.
+ (ia64_print_operand): Constify.
+ (fix_range): Constify.
+ (ia64_init_builtins): Don't compare signed vs unsigned.
+ (ia64_expand_builtin): Likewise.
+
+ * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
+ (CONSTRAINT_OK_FOR_Q): New.
+ * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
+ (movsf_internal, movdf_internal): Likewise.
+ (cmovdi_internal): Rewrite so that constraints and predicates match;
+ simplify splitters.
+ (cmovsi_internal): Likewise.
+
+ * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
+ (ASM_FILE_START): New.
+ * config/ia64/ia64.c (ia64_file_start): New.
+ (rtx_needs_barrier): Handle pred.rel.mutex.
+ (emit_predicate_relation_info): New.
+ * config/ia64/ia64.md (pred_rel_mutex): New.
+ * config/ia64/linux.h (ASM_SPEC): Define.
+ * config/ia64/sysv4.h (ASM_FILE_START): Define.
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
+ filtering global register variables.
+
+2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (add_c_tree_codes): Fix definition for traditional C.
+
+2000-06-17 Michael Meissner <meissner@redhat.com>
+
+ * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
+ not present and there is a field after a '-'.
+
+2000-06-17 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl: finish the implementation of multiple tests
+ for a single fix
+ * fixinc/inclhack.def(ctrl_quotes_def): add a second test
+ (io_quotes_def): add a second test
+ (various): reorder `files' so that "limits.h" is never first
+ * fixinc/tests/base/*: update the testing output
+
+Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.texi: Remove reference to stupid.c.
+
+2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.c (c_tree_code_type): New array.
+ (c_tree_code_length): Likewise.
+ (c_tree_code_name): Likewise.
+ (add_c_tree_codes): New function.
+
+ * c-common.h (add_c_tree_codes): Declare.
+ (enum c_tree_code): New enum.
+
+ * c-lex.c (init_parse): Added call to add_c_tree_codes.
+
+2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
+ select pattern to also match macro defs with only one argument.
+
+Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
+
+ * i386.md: Create new [right,left] rotate and right shift
+ patterns to optimize shift by 1 bit for certain ia32 processors.
+ Update patterns which perform left shifts to optimize shift by
+ 1 bit for certain ia32 processors.
+ * i386.c (const_int_1_operand): New predicate.
+ * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
+ * i386-protos.h (const_int_1_operand): Prototype.
+
+Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * mips.c (machine_dependent_reorg): Fix braces for nested if.
+
+2000-06-14 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
+ LABEL_REFs.
+
+2000-06-14 Richard Henderson <rth@cygnus.com>
+
+ * conflict.c (conflict_graph_compute): Don't look for REG_INC.
+
+ * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
+ auto-inc code.
+
+ * print-rtl.c (print_rtx): Emit space before mem alias set.
+
+2000-06-14 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (expand_block_move): Fix typo in earlier change.
+ (print_operand): Remove unused variables neg and op.
+ (toc_hash_mark_entry): Fix prototype.
+
+2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
+
+ * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
+ (THEN_CLAUSE): Likewise.
+ (ELSE_CLAUSE): Likewise.
+ (WHILE_COND): Likewise.
+ (WHILE_BODY): Likewise.
+ (DO_COND): Likewise.
+ (DO_BODY): Likewise.
+ (RETURN_EXPR): Likewise.
+ (EXPR_STMT_EXPR): Likewise.
+ (FOR_INIT_STMT): Likewise.
+ (FOR_COND): Likewise.
+ (FOR_EXPR): Likewise.
+ (FOR_BODY): Likewise.
+ (SWITCH_COND): Likewise.
+ (SWITCH_BODY): Likewise.
+ (CASE_LOW): Likewise.
+ (CASE_HIGH): Likewise.
+ (GOTO_DESTINATION): Likewise.
+ (COMPOUND_BODY): Likewise.
+ (ASM_CV_QUAL): Likewise.
+ (ASM_STRING): Likewise.
+ (ASM_OUTPUTS): Likewise.
+ (ASM_INPUTS): Likewise.
+ (ASM_CLOBBERS): Likewise.
+ (DECL_STMT_DECL): Likewise.
+ (STMT_EXPR_STMT): Likewise.
+ (LABEL_STMT_LABEL): Likewise.
+ (SCOPE_BEGIN_P): Likewise.
+ (SCOPE_END_P): Likewise.
+ (SCOPE_STMT_BLOCK): Likewise.
+ (SCOPE_NULLIFIED_P): Likewise.
+ (SCOPE_NO_CLEANUPS_P): Likewise.
+ (SCOPE_PARTIAL_P): Likewise.
+ (ASM_VOLATILE_P): Likewise.
+ (STMT_LINENO): Likewise.
+ (STMT_LINENO_FOR_FN_P): Likewise.
+
+ * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
+ ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
+ FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
+ CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
+ SCOPE_STMT, CASE_LABEL, STMT_EXPR.
+
+ * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
+
+2000-06-14 David O'Brien <obrien@FreeBSD.org>
+
+ * gcc.c (main): Quiet compiler warnings. argv is assumed to be
+ writable in parts of the GCC code.
+
+ * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
+ specification match cast.
+
+Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
+ * configure, config.in: Rebuilt.
+ * sys-protos.h: Similarly.
+
+Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
+
+ * ifcvt.c (EDGE_COMPLEX): Move definition ...
+ * basic-block.h (EDGE_COMPLEX): ... here.
+
+ * loop.c (check_dbra_loop): Specify the register when
+ generating REG_NONNEG notes and don't generate duplicates.
+
+2000-06-13 Jakub Jelinek <jakub@redhat.com>
+
+ * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
+ (struct tree_type, struct tree_decl): Add user_align member.
+ * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
+ (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
+ and DECL_USER_ALIGN 0, cap alignment to this value.
+ (place_field): Likewise.
+ (finalize_type_size): Set TYPE_USER_ALIGN.
+ (layout_type): Likewise.
+ (initialize_sizetypes): Likewise.
+ * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
+ DECL_USER_ALIGN to 1.
+ * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
+ (xfer_tag): Set TYPE_USER_ALIGN.
+ (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
+ (finish_enum): Likewise.
+ * stmt.c (expand_decl): Set DECL_USER_ALIGN.
+ (expand_anon_union_decl): Likewise.
+ * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
+ (build_index_type): Set TYPE_USER_ALIGN.
+ (build_range_type): Likewise.
+ (build_common_tree_nodes_2): Likewise.
+ * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
+
+2000-06-13 Andreas Jaeger <aj@suse.de>
+
+ * configure.in: Use --enable-checking=misc,tree,gc by default if
+ no --enable-checking option is given and for
+ --enable-checking=yes.
+ * configure: Rebuilt.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
+ (__throw): Don't pass the address of a label.
+
+ * config/ia64/ia64.c (ia64_compute_frame_size): Use
+ current_function_is_leaf.
+ (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
+ instead of reg_names[RETURN_ADDRESS_REGNUM].
+ (ia64_init_machine_status): Reset return_address_pointer_rtx.
+ * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
+ from RETURN_ADDRESS_REGNUM. Update all uses.
+ (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
+ zero instead of null on failure.
+ (ELIMINABLE_REGS): Add ra->b0 elimination.
+ (CAN_ELIMINATE): Update accordingly.
+ (INITIAL_ELIMINATION_OFFSET): Likewise.
+ (REGISTER_NAMES): Use an illegal assembler name for
+ RETURN_ADDRESS_POINTER_REGNUM.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
+ GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
+ (REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS): Likewise.
+ (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
+ (HARD_REGNO_MODE_OK): Remove references to them.
+ (REGNO_REG_CLASS): Likewise.
+ (REG_CLASS_FROM_LETTER): Likewise.
+ (CLASS_MAX_NREGS): Likewise.
+ (REGISTER_MOVE_COST): Likewise.
+ * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
+ * config/ia64/ia64.md (*): Replace "e" constraints with "f".
+ (movqi_internal): Special case moves from zero.
+ (movhi_internal, movsi_internal): Likewise.
+ (movdi_internal): Likewise. Fill out "f" constraints.
+ (movsf_internal): Fill out "r" constraints.
+ (movdf_internal): Likewise.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
+ alive before reload.
+
+ * haifa-sched.c (struct deps): Add in_post_call_group_p.
+ (add_dependence): Handle notes between SCHED_GROUP_P insns.
+ (remove_dependence): Always define.
+ (set_sched_group_p): New.
+ (sched_analyze_2): Use it.
+ (sched_analyze_insn): Don't special-case naked uses. Look for
+ and extend in_post_call_group_p.
+ (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
+ (init_deps): Clear in_post_call_group_p.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
+ CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
+ and hard-coded tests.
+ (simplify_set): Likewise.
+ (gen_lowpart_for_combine): Likewise.
+ * emit-rtl.c (gen_lowpart_common): Likewise.
+ * global.c (find_reg): Likewise.
+ * local-alloc.c (find_free_reg): Likewise.
+ * recog.c (register_operand): Likewise.
+ * regclass.c (init_reg_sets_1): Likewise.
+ (record_operand_costs, regclass): Likewise.
+ * reload.c (push_reload): Likewise.
+ * reload1.c (choose_reload_regs): Likewise.
+ * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
+ * local-alloc.c (struct qty): Rename changes_size to changes_mode.
+ Update all references.
+ * regs.h (struct reg_info_def): Likewise.
+ (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
+ * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
+ (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
+
+ * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
+ (CLASS_CANNOT_CHANGE_MODE_P): New.
+ * config/mips/mips.h: Likewise.
+ * config/pa/pa32-regs.h: Likewise.
+ * config/pa/pa64-regs.h: Likewise.
+ * config/rs6000/rs6000.h: Likewise.
+ * config/sh/sh.h: Likewise.
+ * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
+ (CLASS_CANNOT_CHANGE_MODE_P): New.
+ * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
+ * config/d30v/d30v.h: Likewise.
+
+2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * configure.in: Add AC_TYPE_GETGROUPS test.
+ * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
+ * configure: Rebuilt.
+ * config.in: Rebuilt.
+
+2000-06-13 Richard Henderson <rth@cygnus.com>
+
+ * explow.c (set_mem_attributes): Do nothing for NULL type.
+
+Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
+
+ * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
+ correctly.
+
+2000-06-13 James E. Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
+
+Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
+
+2000-06-13 Philipp Thomas <pthomas@suse.de>
+
+ * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
+ * configure: Rebuilt.
+
+2000-06-07 David O'Brien <obrien@FreeBSD.org>
+
+ * configure.in: Adjust FreeBSD bits to match changes to config.guess.
+ We now default to ELF for the i386, and a.out is the special case.
+ * configure: Rebuilt.
+
+Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * final.c (final_scan_insn): Delete notes between cc0 setter and
+ user when restarting from setter.
+
+2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
+ cast to squelch signed/unsigned warnings.
+
+2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (handle_directive): Print non-NUL-terminated string
+ with %.*s.
+
+2000-06-12 Michael Meissner <meissner@redhat.com>
+
+ * ifcvt.c (dead_or_predicable): Don't do conditional execution
+ path if the machine needs extra support to do conditional
+ execution.
+
+Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
+
+ * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
+ to print the alias set.
+ * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
+
+2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * config/float-vax.h: Add GFLOAT defines.
+
+Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
+
+ * configure.in: Update tm dependencies for MPE.
+ * configure: Rebuilt.
+
+2000-06-12 H.J. Lu <hjl@gnu.org>
+
+ * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
+
+2000-06-12 David Edelsohn <edelsohn@gnu.org>
+
+ * aix41.h (SUBTARGET_SWITCHES): Delete threads.
+ (CPP_SPEC): Change mthreads to pthread.
+ (LIB_SPEC): Likewise.
+ (STARTFILE_SPEC): Likewise.
+ * aix43.h (SUBTARGET_SWITCHES): Delete threads.
+ (CPP_SPEC): Change mthreads to pthread.
+ (LIB_SPEC): Likewise.
+ (STARTFILE_SPEC): Likewise.
+ * rs6000-protos.h (reg_or_arith_cint_operand): New.
+ * rs6000.c (reg_or_arith_cint_operand): New.
+ (num_insns_constant_wide): Decorate unsigned constant.
+ * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
+ * rs6000.md (addsi3): Use new predicate.
+ (subsi3, adddi3, subdi3): Likewise.
+
+2000-06-12 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (lang_get_alias_set): Fix typo.
+
+2000-06-12 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (mark_used_regs): Revert last change.
+ (life_analysis): Remove PROP_AUTOINC if running after reload.
+ (propagate_one_insn): PROP_AUTOINC is always off after reload.
+
+2000-06-11 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (mark_used_regs): Don't call find_auto_inc after reload
+ has run.
+
+2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bb-reorder.c (build_scope_forest): Initialize variable
+ `curr_scope'.
+
+ * calls.c (expand_call): Likewise for variables
+ `save_pending_stack_adjust' and `save_stack_pointer_delta'.
+
+ * i386.c (function_arg_advance, function_arg): Cast to avoid
+ signed/unsigned warnings.
+
+ * i386.h (MEMORY_MOVE_COST): Likewise.
+
+ * ifcvt.c (cond_exec_process_if_block): Initialize variables
+ `else_start' and `else_end'.
+
+ * libgcc2.h (__eh_alloc, __eh_free): Prototype.
+
+ * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
+
+2000-06-10 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (libintl.a): Depend on intl.all.
+
+2000-06-09 H.J. Lu (hjl@gnu.org)
+
+ * Makefile.in (c-parse.o): Also depend on output.h.
+
+2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
+
+ * mcore-protos.h: discards const warning removal.
+ * mcore.c: discards const warning removal.
+
+2000-06-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/lib1funcs.asm: Declare the machine architecture at
+ the beginning of the file.
+
+2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * real.h: Add prototype for ldexp.
+
+2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
+ it ggc_alloc, drop second argument, never clear returned memory.
+ * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
+ (ggc_alloc_cleared): New.
+ * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
+ ggc_alloc_obj. Remove ggc_alloc macro.
+ (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
+
+ * rtl.c (rtvec_alloc): Clear the vector always.
+ (rtx_alloc): Clear the first word always. Remove dirty
+ obstack tricks (this routine is no longer a bottleneck).
+ * tree.c (make_node): Clear the new node always.
+ (make_tree_vec): Likewise.
+ (tree_cons): Clear the common structure always.
+ (build1): Likewise; also, clear TREE_COMPLEXITY.
+ * gengenrtl.c: Use puts wherever possible. Remove extra
+ newlines.
+ (gendef): Clear the first word of an RTX in the generator
+ function, irrespective of ggc_p. Initialize '0' slots to
+ NULL.
+ (genlegend): Don't generate obstack_alloc_rtx routine, just a
+ thin wrapper macro around obstack_alloc.
+
+ * stmt.c (expand_fixup): Use ggc_alloc.
+ * c-typeck.c (add_pending_init): Use ggc_alloc.
+ * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
+ * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
+ const0_rtx when it is created.
+ (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
+ we are not in a function.
+
+ * tree.c (tree_class_check_failed): Make second arg an int.
+ * tree.h: Update prototype.
+
+2000-06-09 Geoff Keating <geoffk@cygnus.com>
+
+ * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
+ of an error_mark_node.
+
+Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (asm_output_section_name): bugfix.
+
+2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * timevar.def: Add TV_EXPAND.
+ * timevar.c (timevar_print): Update timing information.
+ * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
+
+ * stmt.c (expand_return): Check for error_mark_node.
+
+2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
+
+ * scan-types.sh (VALUE) Wrap use with double quotes to protect
+ variable against filename expansion when it contains "char *".
+
+ * system.h (SSIZE_MAX): Delete backup definition.
+
+ * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
+ instead of SSIZE_MAX.
+
+2000-06-09 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in: Check whether gas supports -relax.
+ * configure, config.in: Rebuilt.
+ * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
+ (EXTRA_SPECS): Add asm_relax.
+ (ASM_SPEC): Add %(asm_relax).
+ (TARGET_SWITCHES): Add -mrelax and -mno-relax.
+ * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
+ (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
+ (ASM_SPEC): Add %(asm_relax).
+ * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
+ * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
+ never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
+ instead of mov, so that gas can further optimize it.
+
+2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
+
+ * dwarf2out.c (size_of_die, case dw_val_class_const): Use
+ size_of_sleb128.
+ (value_format, case dw_val_class_const): Use sdata format.
+ (output_die): Call output_sleb128.
+
+2000-06-08 James E. Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
+ UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
+ ASM_OUTPUT_DWARF_CONST_DOUBLE.
+ (output_die, case dw_val_class_unsigned_const): Correct call to
+ ASM_OUTPUT_DWARF_DATA8.
+ (output_die, case dw_val_class_long_long): Use
+ ASM_OUTPUT_DWARF_CONST_DOUBLE.
+ * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
+ pos is zero.
+
+ * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
+ (output_function_prologue): Fix mispelling.
+ (output_function_prologue, output_function_epilogue): Reorder to
+ match ia64.c definition order.
+ * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
+ (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
+ Use r3 instead of r2 for large stack restores.
+ (ia64_output_end_prologue): New function.
+ (process_set): Emit ".restore sp" for epilogue stack restores.
+ * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
+
+2000-06-08 Jakub Jelinek <jakub@redhat.com>
+
+ * dbxout.c (dbxout_type_fields): Don't segfault on fields with
+ incomplete types.
+
+2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
+
+ * frame.c (end_fde_sort): Remove extraneous erratic array test.
+
+2000-06-08 Denis Perchine <dyp@perchine.com>
+
+ * frame.c (start_fde_sort): Don't malloc (0).
+
+2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
+ error_mark_node.
+ * print-tree.c (print_node): The transparent_union_flag means
+ different things for unions and arrays. Do not inspect it
+ with TYPE_TRANSPARENT_UNION.
+
+2000-06-06 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
+ returned NULL.
+
+Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (asm_output_section_name): output section
+ attributes.
+ * config/avr/libgcc.S (.text.libgcc): declare section attributes.
+
+2000-06-06 James E. Wilson <wilson@cygnus.com>
+
+ * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
+ fields into header field.
+ (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
+ macros to access length, flags, and version info from header field.
+ * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
+ * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
+ (__do_global_ctors_aux): Fix caller.
+ * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
+ prologue_flag to header. Pass to read_P_record.
+ (read_P_record): New argument header. Implement P4 format.
+ Multiply P7_T_SIZE by 16.
+ (execute_one_ia64_descriptor): New static local region_header. Pass to
+ get_unwind_record. Copy r to region_header if r is a header record.
+ (print_all_records): Likewise.
+ (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
+ (__get_personality, __get_except_table): Likewise.
+ * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
+
+2000-06-06 Philipp Thomas <pthomas@suse.de>
+
+ * configure.in (AC_C_INLINE): Added.
+ * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
+ * configure: Regenerate.
+
+2000-06-06 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (c_language_kind): New type.
+ (c_language): New variab.e
+ * c-common.c (lang_get_alias_set): Don't put structures in
+ nonzero alias sets in C++.
+ * c-decl.c (c_language): Define it.
+ * c-lex.c (doing_objc_thang): Remove.
+ * c-tree.h (doing_objc_thang): Make it a macro.
+ * objc/objc-act.c (lang_decode_option): Set c_language, not
+ doing_objc_thang.
+
+2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (output_maximum_width): Remove.
+ (doing_line_wrapping): Tweak.
+ (diagnostic_buffer): New object.
+ (global_output_buffer): New object.
+ (output_destroy_prefix): New function.
+ (default_initialize_buffer): Likewise.
+ (reshape_diagnostic_buffer): Likewise.
+ (initialize_diagnostics): Likewise.
+ (output_clear): Tweak.
+ (line_wrapper_printf): Adjust call to init_output_buffer.
+ (vline_wrapper_message_with_location): Likewise. Use
+ output_destroy_prefix.
+ (v_message_with_decl): Likewise.
+
+ * diagnostic.h (struct output_buffer): Constify prefix.
+ (init_output_buffer, output_get_prefix): Constify.
+ (diagnostic_message_length_per_line): Likewise.
+ (reshape_diagnostic_buffer): Declare.
+ (default_initialize_buffer): Declare.
+ (initialize_diagnostics): Declare.
+ (diagnostic_buffer): Declare new obbject.
+
+ * toplev.c: #include diagnostic.h
+ (display_help): Document diagnostic formatting options.
+ (decode_f_option): Handle diagnostic formatting options.
+ (main): Setup initialization for diagnostic messages outputter.
+
+ * toplev.h (set_message_length): Remove.
+
+ * Makefile.in (toplev.o): Depends upon diagnostic.h
+
+ * invoke.texi : Document diagnostics formatting options.
+
+Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (Make the links): Typo fix : the file that must be
+ included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
+ * configure: File rebuilt.
+
+2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
+
+ * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
+ (eh_context): Add alloc_mask and alloc_buffer emergency fallback
+ space.
+ * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
+ emergency eh_context buffer, if malloc fails.
+ (__eh_free): Moved from cp/exception.cc. Release to emergency
+ eh_context buffer, if appropriate.
+
+2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * expr.c (store_expr): Fix typo.
+
+2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k.c (legitimize_pic_address): Move prototype ...
+
+ * m68k-protos.h (legitimize_pic_address): ... here.
+
+ * m68k.md (legitimize_pic_address): Delete prototypes.
+ (untyped_call): Invoke GEN_CALL(), not gen_call().
+
+ * nextstep.c: Include system.h and toplev.h.
+ (get_directive_line): Don't prototype.
+ (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
+
+ * nextstep.h (handle_pragma): Prototype.
+ (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
+ objc_section_init ...
+ (EXTRA_SECTION_FUNCTIONS): ... here.
+
+Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sdbout.c (struct sdb_file): NAME now const.
+ (sdbout_init): input_file_name now const.
+ (sdbout_start_new_source_file): FILENAME now const.
+ * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
+
+2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * c-typeck.c (build_conditional_expr): Handle complex data types.
+
+2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * explow.c (maybe_set_unchanging): New function, broken out from...
+ (set_mem_attributes): Here.
+ * expr.h: Declare it.
+ * stmt.c (expand_decl): Call it.
+
+2000-06-05 Richard Henderson <rth@cygnus.com>
+
+ * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
+ while looking for a register to inherit from.
+
+2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * Makefile.in (libgcc.ready): Lose.
+ (libgcc.mk): Just use mv, not move-if-change.
+ (LIBGCC_DEPS): New macro.
+ (libgcc.a): Use it.
+ (stmp-multilib): Likewise.
+ * mklibgcc.in (stmp-dirs): New target. Make everything depend on
+ it rather than the directories themselves.
+ (LIB2ADD): Depend on the list file rather than 'force'.
+
+ * fold-const.c (fold, case COND_EXPR): Elide conversion between
+ cv-qualified versions of types.
+
+Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/sparc/sparc.c (short_branch): Correct error in range
+ computation.
+
+2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * fixinc/inclhack.def: New include hacks for ultrix.
+ * (nested_ultrix): Replaced by ultrix_nested_svc.
+ * (ultrix_atof_param): test_text string added.
+ * (ultrix_ifdef): Modified select string.
+
+2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * objc/objc-act.c (generate_method_descriptors): Register
+ objc_method_prototype_template as a GC root.
+ (comp_method_with_proto): Register function_type as a GC root.
+ (comp_proto_with_proto): Replace function_type1 and
+ function_type2 with a two-element array; register it as a GC root.
+
+ (generate_protocols, build_protocol_initializer,
+ generate_protocol_list, build_category_initializer,
+ build_shared_structure_initializer): Do not cache cast_type
+ and/or cast_type2.
+
+2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * function.c (assign_parms): Add missing argument to set_mem_attributes
+ call.
+
+2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tree.h (VOID_TYPE_P): New macro.
+ (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
+ * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
+ (get_parm_info): Likewise.
+ (store_parm_decls): Likewise.
+ (combine_parm_decls): Likewise.
+ (finish_function): Likewise.
+ * c-typeck.c (build_function_call): Likewise.
+ (build_binary_op): Likewise.
+ (build_conditional_expr): Likewise.
+ (internal_build_compound_expr): Likewise.
+ (convert_for_assignment): Likewise.
+ * stmt.c (expend_expr_stmt): Likewise.
+ (warn_if_unused_value): Likewise.
+ (expand_return): Likewise.
+ * c-parse.in (primary): Likewise.
+ * c-parse.y, c-parse.c, c-parse.h: Regenerate.
+ * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
+
+Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (get_alias_set): If compnent is addressable, use alias
+ set of component.
+ * c-decl.c (init_decl_processing): Don't call record_component_aliases.
+ (grokdeclarator): Likewise.
+ * c-typeck.c (common_type): Likewise.
+
+2000-06-04 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (OBJS): Remove dyn_string.o
+ (dyn-string.o): Delete rule.
+ * dyn-string.c: Delete file
+ * dyn-string.h: Likewise.
+
+2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (intl.*): Honor nonzero exit codes in the intl
+ subdir.
+
+2000-06-03 Geoff Keating <geoffk@cygnus.com>
+
+ * alias.c (record_component_aliases): Don't inspect
+ DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
+
+Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
+
+ * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
+ it with the pattern to do machine dependent work.
+ (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
+ use it to modify the true/false tests used in conditional
+ execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
+ defined, invoke them if the conversion to conditional execution
+ was successful or not.
+
+ * tm.texi (IFCVT_MODIFY_TESTS): Document.
+ (IFCVT_MODIFY_INSN): Ditto.
+ (IFCVT_MODIFY_FINAL): Ditto.
+ (IFCVT_MODIFY_CANCEL): Ditto.
+
+Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * toplev.c (main): Fix misspellings of possibility and language.
+
+2000-06-03 Richard Henderson <rth@cygnus.com>
+
+ * alias.c (record_alias_subset): Initialize has_zero_child in the
+ superset.
+
+2000-06-03 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.md (untyped_call): Use GEN_CALL macro.
+
+2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
+
+ * Makefile.in: Use $(MAKE) not "make"
+
+Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (struct alias_set_entry): New field has_zero_child.
+ (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
+ (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
+ do nothing.
+ Call record_component_aliases for aggregate types.
+ (record_alias_subset): Set has_zero_child.
+ (record_component_aliases, case ARRAY_TYPE): Do nothing if
+ TYPE_NONALIASES_COMPONENT.
+ (record_component_aliases, case RECORD_TYPE): Test
+ DECL_NONADDRESSABLE_P.
+ * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
+ of TREE_ADDRESSABLE.
+ * calls.c (initialize_argument_information): Only test
+ TYPE_TRANSPARENT_UNION for UNION_TYPE.
+ * function.c (assign_parms): Likewise.
+ * integrate.c (function_cannot_inline_p): Likewise.
+ * stor-layout.c (finish_record_layout): Don't call
+ record_component_aliases.
+ * tree.h (struct tree_int_cst): Use struct tree_common.
+ (struct tree_real_cst, struct tree_string): Likewise.
+ (struct tree_complex, struct tree_identifier): Likewise.
+ (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
+ (struct tree_block, struct tree_type, struct tree_decl): Likewise.
+ (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
+ (TYPE_NONALIASES_COMPONENT): New macro.
+ (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
+ (DECL_NONADDRESSABLE_P): New macro.
+ (struct tree_decl): Reorder bits for clarity of how many left;
+ add non_adressable.
+
+2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
+ * mklibgcc.in (force): New target.
+ Make LIB2ADD stuff depend on it.
+
+2000-06-02 Richard Henderson <rth@cygnus.com>
+
+ * alias.c (lang_get_alias_set): Remove.
+ (get_alias_set): Call it directly, not indirectly.
+ * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
+ * c-common.h (c_get_alias_set): Don't declare.
+ * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
+ * expr.h (lang_get_alias_set): Declare as function, not pointer.
+
+2000-06-02 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
+ (server_setup): define the server's master pid
+ (close_server): actually do the deed IFF we are the server's master
+
+2000-06-02 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.c (c_get_alias_set): Check whether signed_type did not
+ return its argument before calling get_alias_set on the result.
+
+2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
+
+ * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
+
+Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
+ (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
+ for TARGET_NOMACSAVE.
+ (NOMACSAVE_BIT): Define.
+ (TARGET_NOMACSAVE): Define.
+ (TARGET_SWITCHES): Add "nomacsave".
+
+2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
+
+ * sh.md (untyped_call): Remove excess parameters
+
+2000-06-01 Loren J. Rittle <ljrittle@acm.org>
+
+ * fixinc/inclhack.def (osf_namespace_a): Relax expression to
+ match that used before the conversion to c_fix style.
+ * fixinc/fixincl.x: regenerate
+
+2000-06-01 Stan Cox <scox@cygnus.com>
+
+ * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
+ macro argument typo.
+
+2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
+ error message.
+ * cpplib.c (parse_include): Remove support for VAX-C
+ "#include starlet" misfeature.
+
+2000-05-31 Laurynas Biveinis <lauras@softhome.net>
+
+ * cppfiles.c: conditionally define O_BINARY.
+ (open_include_file): pass O_BINARY to open().
+
+2000-06-01 Richard Henderson <rth@cygnus.com>
+
+ * i960.c (i960_br_predict_opcode): Remove.
+ (i960_print_operand) [+]: Emit branch prediction hints.
+ (i960_function_arg): Return early for VOIDmode.
+ (i960_round_align): Return early for incomplete types.
+ * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
+ * i960.md (all conditional branches): Add "%+".
+
+Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (get_alias_set): Don't call language-specific routine more
+ than is needed and clean up code a bit.
+ * c-common.c (c_get_alias_set): All references whose type
+ is char get alias set 0, but character types need not.
+ * varasm.c (make_function_rtl): Don't call set_mem_attributes.
+ (make_decl_rtl): Don't call it for FUNCTION_DECL.
+
+2000-06-01 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/tests/base/...: new base result files
+
+Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
+ * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
+ * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
+ will use FCOMI.
+
+2000-06-01 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
+
+ * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
+ CONSTANT_POOL_ADDRESS_P addresses for .sdata.
+ * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
+ * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
+ (ia64_print_operand) [+]: ... here. Use current_output_insn.
+ * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
+ * config/ia64/ia64.md (all branch/call patterns): Use %+.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
+ remaining edges.
+ (find_if_block): Allow THEN with no outgoing edges.
+ * flow.c (merge_blocks_nomove): Remove a barrier not following
+ a jump as well.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_block): Move initialization of mem_set_list ...
+ (init_propagate_block_info): ... here. Also track blocks with
+ no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Revert 05-18 change.
+
+2000-05-31 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi: Remove documentation for -fguiding-decls.
+
+2000-05-31 Richard Henderson <rth@cygnus.com>
+
+ * configure.in: Fix typo last change.
+
+2000-05-31 Philipp Thomas <pthomas@suse.de>
+
+ * configure.in (enable-nls): Enable if build == host, i.e. when
+ not building a canadian cross compiler.
+ (enable-maintainer-mode): Added for use with i18n.
+ * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
+ cross section of ALL_LINGUAS and LINGUAS.
+ * configure: Rebuild.
+
+2000-05-31 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl: rework to use test result tree
+ * fixinc/Makefile.in: change invocation of check script
+ * fixinc/check.diff: No longer needed
+ * fixinc/fixincl.x: regenerate
+ * fixinc/inclhack.def: add new tests
+ * fixinc/tests/base/arch/i960/archI960.h: New test result
+ * fixinc/tests/base/curses.h: modified test result
+ * fixinc/tests/base/stdio.h: ditto
+ * fixinc/tests/base/time.h: ditto
+ * fixinc/tests/base/sys/asm.h: ditto
+ * fixinc/tests/base/sys/stat.h: ditto
+ * fixinc/tests/base/sys/wait.h: ditto
+
+Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * except.c (clear_function_eh_region): Do not free NULL.
+
+Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
+ * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
+ (REG_BASE_VALUE): Remove unneeded cast to unsigned.
+ (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
+ (find_base_decl): New function, from c_find_base_decl in c-common.c.
+ (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
+ (get_alias_set): Likewise.
+ Major rework to do more things and allow language-specific code
+ to just handle special-cases.
+ (record_alias_subset): Args are HOST_WIDE_INT.
+ (record_component_alias): Local vars are HOST_WIDE_INT.
+ Don't handle COMPLEX_EXPR.
+ (get_varargs_alias_set): Moved from builtins.c.
+ (get_frame_alias_set): New function.
+ * builtins.c (expand_builtin_return_address): Use frame alias set.
+ (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
+ for setjmp buffer.
+ (get_memory_rtx): Rework to use set_mem_attributes.
+ (get_varargs_alias_set): Deleted from here.
+ * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
+ (c_find_base_decl): Deleted from here.
+ (c_get_alias_set): Remove many cases and rework to just handle
+ C-specific cases.
+ * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
+ * c-decl.c (rtl.h, expr.h): Now included.
+ (init_decl_processing): Call record_component_aliases on array types.
+ (grokdeclarator): Likewise.
+ Set TREE_ADDRESSABLE for all fields that are not bitfields.
+ * c-typeck.c (common_type): Call record_component_aliases for array.
+ * caller-save.c (setup_save_areas): Rework register loop for unsigned.
+ Set all save areas to the frame alias set.
+ * calls.c (initialie_argument_information): Call set_mem_attributes.
+ (compute_argument_addresses, expand_call): Likewise.
+ * explow.c (set_mem_attributes): New function.
+ (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
+ * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
+ LEN and OFFSET now HOST_WIDE_INT.
+ (clear_by_pieces): Similar changes.
+ (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
+ (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
+ (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
+ (clear_by_pieces_1): Likewise.
+ (emit_push_insn): Call set_mem_attributes.
+ (expand_expr, case INDIRECT_REF): Likewise.
+ (expand_expr, case VAR_DECL): Call change_address.
+ * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
+ tree_low_cst.
+ (get_varargs_alias_set, get_frame_alias_set): New decls.
+ (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
+ (new_alias_set, set_mem_attributes): Likewse.
+ * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
+ (assign_stack_temp_for_type): Likewise.
+ Can split slot even if alias set since can copy.
+ Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
+ (assign_temp): Use host_integerp and tree_low_cst.
+ (put_var_into_stack): Properly handle SAVE_EXPR.
+ (put_addressof_into_stack): Likewise.
+ (assign_parms): Call set_mem_attributes.
+ Delete #if 0 code.
+ (fix_lexical_address): Put reference to chain into frame alias set.
+ (expand_function_start): Call set_mem_attributes.
+ * integrate.c (expand_inline_function): Likewise.
+ * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
+ * regmove.c (try_apply_stack_adjustment): Likewise.
+ * reload.c (push_reload, make_memloc): Likewise.
+ * reload1.c (alter_reg): Make alias sets for spilled pseudos.
+ * rtl.def (MEM): Update comment.
+ * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
+ (move_by_pieces): Change length to HOST_WIDE_INT.
+ (record_base_value, record_alias_subset): Delete from here.
+ * stmt.c (expand_decl): Call set_mem_attributes.
+ * stor-layout.c (finish_record_layout): Call record_component_aliases.i
+ * toplev.c (compile_file): Call init_alias_once earlier.
+ * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
+ from here: now in alias.c.
+ * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
+ (struct tree_decl): Likewise.
+ (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
+ * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
+ (output_constant_def, force_const_mem): Likewise.
+
+ * flow.c (propagate_block): If block has no successors, stores to
+ frame are dead if not used.
+
+2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
+
+ * stmt (expand_end_case): Reorder conversion sequence for jump
+ table to avoid extra truncations.
+
+Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
+
+ * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
+ in the block is more than just a simple conditional branch.
+ (noce_process_if_block): Similarly.
+
+Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
+ queue.
+
+2000-05-30 Michael Meissner <meissner@redhat.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
+ instructions. Treat LO_SUM operations as loading the full integer
+ constant.
+
+2000-05-30 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
+
+2000-05-30 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
+
+2000-05-30 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/tests/*: Added expected result files for fixinc's make check
+ * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
+
+2000-05-30 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.md (*setne_internal): Use match_operator
+ instead of working down from insn.
+
+2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * invoke.texi (-Wtraditional): Update WRT function macros.
+
+Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * except.c (free_exception_table): Do not free NULL.
+
+2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_if): Don't save and restore only_seen_white here.
+ * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
+ and skipping here.
+
+2000-05-29 Richard Earnshaw (rearnsha@arm.com)
+
+ * flow.c (mark_used_reg): If a register is unconditionally live,
+ remove any conditional death information.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * final.c (current_output_insn): New.
+ (final_scan_insn): Set it.
+ * output.h: Declare it.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * stor-layout.c (finalize_record_size): Fix typo.
+
+ * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
+ if nlabel is null.
+
+2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (cpp_reader): Remove if_stack. Change
+ potential_control_macro to a cpp_hashnode *. Add skipping flag.
+ * cpphash.h (struct ihash): Change control_macro to a
+ cpp_hashnode * and shorten name to cmacro.
+ Add NEVER_REINCLUDE constant.
+
+ * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
+ Examine the cmacro node directly, no need to call cpp_defined.
+ (_cpp_execute_include, read_include_file): Set cmacro to
+ NEVER_REINCLUDE, not U"".
+ * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
+ (cpp_get_token): If pfile->skipping is true, discard text and
+ keep scanning until we hit a directive; don't expand macros.
+
+ * cpplib.c (struct if_stack): Remove if_succeeded, add
+ was_skipping. Change control_macro to a cpp_hashnode * and
+ shorten name to cmacro. Remove typedef IF_STACK.
+ (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
+ (conditional_skip, skip_if_group,
+ consider_directive_while_skipping): Delete.
+ (push_conditional): New.
+ (_cpp_handle_directive): Don't process directives other than
+ conditionals if we are skipping.
+
+ (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
+ Update to new scheme.
+ (validate_else): Skip rest of line here, unconditionally.
+ (_cpp_unwind_if_stack): The stack is per-buffer. Force
+ pfile->skipping off.
+
+ (all): Remove `scare quotes' from error messages.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * function.c (emit_return_into_block): New line_note arg; emit it.
+ (thread_prologue_and_epilogue_insns): Attempt to locate a line note
+ for the close brace to accompany HAVE_return. Move all line notes
+ following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * longlong.h [__alpha] (count_leading_zeros): New.
+ (count_trailing_zeros): New.
+ (COUNT_LEADING_ZEROS_0): New.
+
+ * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
+ (alpha_split_conditional_move): New.
+ * config/alpha/alpha-protos.h: Prototype them.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
+ * config/alpha/alpha.md: Update ffs cix commentary.
+ (*ze_and_ne): New.
+ (*nabssf2, *nabsdf2): New.
+ (*mov[qhsd]icc_internal): Use add_operand.
+ (if_then_else constant splitters): New.
+ (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
+ (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
+
+2000-05-29 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (force_to_mode) [MINUS]: Convert subtraction from
+ a constant to NEG or NOT when conditions allow.
+
+ * combine.c (combine_simplify_rtx): Don't create an if_then_else
+ unless both args are general_operand. Don't canonicalize plus
+ to ior unless it helps.
+
+ * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
+ instead track register_life_up_to_date. Toggle no_new_pseudos
+ around if_convert.
+
+2000-05-28 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
+ so output_operand doesn't see them.
+
+Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * lcm.c (make_preds_opaque): Fix comment.
+ (optimize_mode_switching): Use NORMAL_MODE instead of
+ MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
+ FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
+ Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
+ * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
+ (MODE_USES_IN_EXIT_BLOCK): Delete.
+ (MODE_AT_ENTRY) Rename to NORMAL_MODE.
+ * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
+ (MODE_AT_ENTRY): Rename to NORMAL_MODE.
+ (MODE_NEEDED): Don't look for USE.
+ (EPILOGUE_USES): Define.
+
+Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * mklibgcc.in (all): Variable initialized to `libgcc'.
+
+2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.h (skip_leading_substring): New macro.
+ * toplev.c (decode_f_option): Use skip_leading_substring instead
+ of strncmp.
+ (decode_W_option): Likewise.
+
+2000-05-28 Nick Clifton <nickc@cygnus.com>
+
+ * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
+ modify reg_names.
+
+2000-05-28 Richard Henderson <rth@cygnus.com>
+
+ * regclass.c (record_operand_costs): Protect reg_changes_size
+ with CLASS_CANNOT_CHANGE_SIZE.
+
+ * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
+
+2000-05-28 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): A pcc-style struct return
+ returns a pointer.
+
+2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Read files in, using mmap if possible, then
+ prescan them separately.
+ (read_file, read_with_read): New functions.
+ * cpplex.c: Don't define UCHAR_MAX.
+ (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
+ the file here.
+
+ * cppinit.c (handle_option): Automatically define __cplusplus,
+ __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
+ the respective -lang switch.
+
+ * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
+ prototype): Move to...
+ * cpplib.h: ... here. Rename struct hashnode to struct
+ cpp_hashnode and give it a typedef. Rename _cpp_lookup to
+ cpp_lookup. Add 'fe_value' slot, a union tree_node *.
+
+2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi): Constify 'name'.
+
+ * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
+ (class_can_change_size): New variable.
+ (reg_changes_size): New variable.
+ (init_reg_sets_1): Initialize class_can_change_size.
+ (record_operand_costs): Remove subreg_changes_size.
+ Don't pass it around. Instead update reg_changes_size.
+ (regclass): Initialize and free reg_changes_size. If a register
+ changes size, don't preference it to a class that contains
+ registers that can't change size.
+ (record_reg_classes): Don't look at subreg_changes_size.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * print-rtl.c (reg_names): Remove const.
+ * regclass.c (reg_names): Likewise.
+ * regs.h (reg_names): Likewise.
+ * hard-reg-set.h (reg_names): Likewise.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_does_function_need_gp): Test
+ TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
+ (alpha_expand_prologue): Emit prologue_mcount if needed.
+ * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
+ * config/alpha/alpha.md (prologue_mcount): New.
+ * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
+ (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
+ * config/alpha/netbsd.h: Likewise.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
+ change to config/elfos.h.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (resource.o): Depend on except.h.
+ * except.h (output_exception_table_data): Prototype.
+ * genconfig.c (gen_peephole2): Prototype.
+ * genemit.c (main): Include ggc.h.
+ * genoutput.c: Revert parts of last change: include errors.h
+ (main): Set progname.
+ * recog.c: Include hard-reg-set.h before recog.h.
+ * resource.c: Include except.h.
+
+ * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
+ with RTX_CODE.
+ (alpha_write_linkage): Protect with BUFSIZ.
+ (alpha_need_linkage): Update prototype.
+ * config/alpha/alpha.c (function_arg): Move VMS code here.
+ (alpha_links_base): Remove.
+ (alpha_links): New.
+ (mark_alpha_links_node, mark_alpha_links): New.
+ (alpha_write_one_linkage): New.
+ (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
+ (alpha_write_linkage): Use splay_tree_foreach.
+ * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
+ to get the linkage symbol.
+ (call_value_vms): Likewise.
+ * config/alpha/elf.h (output_file_directive): Remove decl.
+ (ctors_section, dtors_section): Prototype.
+ (sbss_section, sdata_section): Prototype.
+ * config/alpha/vms.h (FUNCTION_ARG): Remove.
+ (readonly_section, link_section, literals_section): Prototype.
+ (ctors_section, dtors_section): Prototype.
+ (vms_valid_decl_attribute_p): Remove decl.
+ (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
+
+2000-05-27 Geoff Keating <geoffk@cygnus.com>
+
+ * reload.c (get_secondary_mem): Don't widen floating-point modes.
+
+ * combine.c (subst): Honor CLASS_CANNOT_CHANGE_SIZE when
+ substituting the REG in a (subreg:X (reg:Y ...)).
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
+ first token of a line BOL. Update EOF code for this.
+ Remove illegal directive check - it appears in the (not
+ yet committed) caller.
+ * cpplib.h (BOL): New flag.
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_init_toklist): No comment space to initialize.
+ (_cpp_free_toklist): No comment space to free.
+ (expand_comment_space): Remove.
+ (save_comment_space): Place the comment in the current token and
+ not in a separate comment space.
+ (_cpp_lex_line): Save comments during plain code and #define
+ directives only.
+ * cpplib.h (struct _cpp_toklist): Remove comment space.
+
+2000-05-28 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (parse_assertion): Supply extra argument to
+ _cpp_init_toklist.
+ * cpplib.c (do_assert, do_unassert): Similarly.
+ * cpphash.h (_cpp_init_toklist) Update.
+ (_cpp_expand_token_space): New.
+ (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
+ * cpplex.c (_cpp_init_toklist): New argument.
+ (parse_string2): New argument multiline_ok.
+ (spell_token): Take a const cpp_token *.
+ (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
+ (SPELL_ macros): Replace with enum.
+ (expand_token_space): Replace with _cpp_expand_token_space.
+ Take COUNT argument.
+ (IS_DIRECTIVE): Update.
+ (_cpp_lex_line): Update token structure before parsing number.
+ Don't assume start at beginning of token list.
+ (save_comment): Use INIT_TOKEN_NAME.
+
+2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
+ -Wmissing-prototypes.
+ * configure: Regenerate.
+ * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
+
+ * builtins.c, calls.c: Change all instances of gen_call_* or
+ gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
+ * calls.c (struct_value_size_rtx): Separate definition from
+ initialization to avoid unused variable warning.
+
+ * genflags.c (gen_macro): New function.
+ (gen_proto): Call it for gen_call_* and gen_sibcall_*.
+ (gen_nonproto): Delete.
+ (gen_insn): Put all insns on the same obstack.
+ (main): Generate prototypes for everything unconditionally.
+
+ * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
+ out check for wchar_t.
+ * acconfig.h: Add template for ssize_t. Remove @TOP@.
+ * system.h: Add infrastructure for defining missing
+ TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
+ definitions of UCHAR_MAX and SSIZE_MAX.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
+ Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
+ headers.
+ (clean): No need to delete libgcc1.a, libgcc1-asm.a,
+ libgcc2.a, or libgcc1.null.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (recog.o): Don't depend on resource.h.
+ * recog.c: Don't include resource.h.
+ (recog_last_allowed_insn): Remove.
+ (recog_next_insn): Remove.
+ (struct peep2_insn_data): New.
+ (peep2_insn_data, peep2_current): New.
+ (peep2_next_insn): New.
+ (peep2_regno_dead_p, peep2_reg_dead_p): New.
+ (peep2_find_free_register): New.
+ (peephole2_optimize): Track life information by insn as we go.
+ * recog.h: Update declarations.
+ * resource.c (find_free_register, reg_dead_p): Remove.
+ * resource.h: Remove their declarations.
+ * toplev.c: Include hard-reg-set.h before recog.h.
+
+ * genconfig.c (max_insns_per_peep2): New.
+ (gen_peephole2): New.
+ (main): Call it.
+ * genemit.c (output_peephole2_scratches): Generate calls to
+ peep2_find_free_register; adjust surrounding code.
+ (main): Have insn-emit.c include hard-reg-set.h before recog.h.
+ * genrecog.c (change_state): Don't track last_insn.
+ (write_action): Write into *_pmatch_len before accepting.
+ (write_tree): Adjust peephole2_insns and subroutines to match.
+
+ * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
+
+ * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
+ (hard_int_register_operand): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
+ as needed; use peep2_reg_dead_p instead of dead_or_set_p.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * function.c (thread_prologue_epilogue_insns): Don't move the
+ line note at the head of the chain. Only force a lineno note
+ before the end of block 0.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * gensupport.c (collect_insn_data): Record the maximum number
+ of alternatives, not the last seen.
+
+ * genoutput.c: Don't include errors.h.
+ (struct data): Add lineno member.
+ (have_error): New.
+ (scan_operands): Use message_with_line instead of error.
+ (validate_insn_alternatives): Likewise.
+ (gen_insn): Accept and store the pattern's line number.
+ (gen_peephole, gen_expand, gen_split): Likewise.
+ (main): Don't set progname. Pass line_no to gen_foo.
+
+2000-05-27 Richard Henderson <rth@cygnus.com>
+
+ * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
+ * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
+ * config/d30v/d30v.md (attr predicable): New.
+ (all insn patterns): Mark non-predicable patterns; use %: on the rest.
+ (andsi3*): Unify into one pattern.
+ (iorsi3*, xorsi3*): Likewise.
+ (peephole2 patterns): Use peep2_reg_dead_p; verify not a
+ conditional return.
+ (old cond_exec patterns): Remove.
+ (define_cond_exec): New.
+
+Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (TREE_CODE_LENGTH): New macro.
+ * c-common.c (c_find_base_decl): Use it.
+ * expr.c (safe_from_p): Likewise.
+ * print-tree.c (print_node): Likewise.
+ * tree.c (make_node, copy_node, get_identifier): Likewie.
+ (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
+ (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
+ * fold-const.c (make_range): Likewise.
+ (fold): Likewise; also use first_rtl_op.
+ * c-iterate.c (collect_iterators): Use first_rtl_op.
+ * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
+ Use IS_EXPR_CODE_CLASS.
+ (preexpand_calls): Likewise.
+ * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
+ and TREE_CODE_LENGTH.
+ * stmt.c (warn_if_unused_value): If no operands, no unused value.
+
+2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
+ than '%1(%*)'.
+ (movdi_internal64): Likewise.
+
+ * config/rs6000/rs6000.md: Correct order of operands for DImode
+ boolean patterns.
+
+ * config/rs6000/rs6000.c (boolean_or_operator): New function.
+ * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
+ * config/rs6000/rs6000.md: Use boolean_or_operator instead of
+ boolean_operator for the boolean patterns without NOTs.
+
+ * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
+ from reg_or_u_cint_operand. Change comment and behavior.
+ (logical_operand): Clean up, add assertion.
+ (non_logical_cint_operand): Also check for
+ reg_or_logical_cint_operand.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
+ * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
+ in the expander.
+ (xorsi3): Likewise.
+ (iordi3): Likewise.
+ (xordi3): Likewise.
+
+2000-05-26 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (struct record_layout_info): Rename to (struct
+ record_layout_info_s).
+ * stor-layout.c (start_record_layout): Replace
+ `record_layout_info' with `record_layout_info_s'.
+
+2000-05-26 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (find_label_refs): New function.
+ (find_basic_blocks_1): Call it for each alternative of a call
+ placeholder.
+
+2000-05-26 Richard Earnshaw <rearnsha@arm.com>
+
+ * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
+ of get_pc.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_comparison_operator): Don't be
+ so strict about DImode.
+ (alpha_swapped_comparison_operator): Likewise.
+ * config/alpha/alpha.md (*setne_internal): Name it. Allow
+ any integer output mode.
+ (*setcc_internal): Likewise.
+ (*setcc_swapped_internal): Likewise.
+ (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
+ (*mov[qhs]icc_internal): New.
+ (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
+
+2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (reorder_block_def): Reorder elements for size.
+ Remove add_jump; add next; replace flags with visited.
+ (rbd_init): Remove.
+ (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
+ (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
+ (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
+ (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
+ (RBI): New.
+ (reorder_index, reorder_last_visited): Remove.
+ (skip_insns_after_block): Rewrite to use a switch.
+ (get_common_dest): Remove.
+ (chain_reorder_blocks): Remove.
+ (record_effective_endpoints): Split out from reorder_basic_blocks.
+ (make_reorder_chain): Likewise. Loop until all blocks are placed.
+ (make_reorder_chain_1): Renamed from old make_reorder_chain.
+ Only construct the reorder chain, do not move insns. Try harder
+ to tail recurse.
+ (label_for_bb, emit_jump_to_block_after): New.
+ (fixup_reorder_chain): Use them. Do bulk block movement. Examine
+ and adjust the jump insns appropriately. Fixup basic_block_info.
+ (verify_insn_chain): Always define.
+ (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
+ in allocation size.
+ (make_new_scope): Don't write zeros to calloc'd space.
+ (build_scope_forest): Rely on xrealloc to DTRT.
+ (reorder_basic_blocks): Don't build loop nest. Don't fail if
+ profile_arc_flag. Streamline EH test.
+
+ * flow.c (redirect_edge_succ, redirect_edge_pred): New.
+ * basic-block.h: Declare them.
+
+2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
+
+ * emit-rtl.c (reset_used_decls): New function.
+ (unshare_all_rtl_again): Call it.
+
+2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (maybe_macroexpand): Warn about function-like
+ macros used in non-function context, if -Wtraditional.
+
+2000-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * recog.c (peephole2_optimize): Use INSN_P.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (seq_contains_jump): New.
+ (noce_try_store_flag_constants): Use it to fail conversion.
+ (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
+
+2000-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * except.h (can_throw): Declare it.
+ * except.c (can_throw): Give it external linkage.
+ * resource.c (find_dead_or_set_registers): Use can_throw.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Don't record conditionally dead memory.
+
+2000-05-25 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
+ and pc_set at the place of simplejump_p and condjump_p.
+ * cse.c (record_jump_equiv): Likewise.
+ * emit-rtl.c (emit): Likewise.
+ * explow.c (find_next_ref): Likewise.
+ * flow.c (tidy_fallthru_edge): Likewise.
+ (init_propagate_block_info): Likewise.
+ * gcse.c (delete_null_pointer_checks): Likewise.
+ * ifcvt.c (cond_exec_get_condition, noce_get_condition,
+ dead_or_predicable): Likewise.
+ * integrate.c (copy_insn_list): Likewise.
+ * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
+ for_each_insn_in_loop, check_dbra_loop, get_condition,
+ insert_bct, load_mems): Likewise.
+ * resource.c (find_dead_or_set_registers): Likewise.
+ * sibcalls.c (simplejump_p): Likewise.
+ * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
+
+2000-05-25 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
+ to STRING case. Use doubleword STRING move for TARGET_POWERPC64
+ when unaligned.
+ * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
+ (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
+ (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
+ * rs6000.md: Name various internal patterns.
+
+2000-05-25 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (invert_exp_1): Remove first argument, use pc_set
+ to get the expression.
+ (redirect_exp): Make static; redirect only the pc_set expression,
+ remove first argument.
+ (invert_exp): Remove first argument, make static.
+ (jump_optimize): Use any_condjump_p, any_uncondjump_p and
+ any_onlyjump at most places where we originaly did condjump_p
+ and simplejump_p.
+ (jump_back_p, follow_jumps, thread_jumps): Likewise.
+ (delete_barrier_succesors): Use pc_set.
+ (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
+ calls of invert_exp and redirect_exp.
+ * rtl.h (redirect_exp, invert_exp): Remove.
+ * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
+
+2000-05-25 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_end_bindings): Fix thinko last change.
+
+2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
+ Andrew Haley <aph@cygnus.com>
+
+ * except.c (func_eh_entry): Add emitted field.
+ (new_eh_region_entry): Set emitted field to 0;
+ (output_exception_table_entry): Only emit previously un-emitted data,
+ and send it to the eh_data section.
+ (output_exception_table): Break out common parts. Output
+ exception table for entire compilation unit to eh_data section.
+ (output_exception_table_data): Common parts of output_exception_table.
+ Send output to eh_data section.
+ (output_function_exception_table): Output exception table data for
+ a single function to eh_data section.
+ (free_exception_table): New external to free the table.
+ * except.h (free_exception_table): Add prototype.
+ (output_function_exception_table): Add prototype.
+ * final.c (final_end_function): Output function exception table
+ for IA64_UNWIND_INFO.
+ (final_scan_insn): Emit any unwind directives for an insn.
+
+ * frame-dwarf2.c: New file containing all DWARF 2 specific code
+ from frame.c.
+ * frame.c: Remove all DWARF 2 specific code.
+ * config/ia64/frame-ia64.c: New file.
+ (gthread_stuff): Make all gthread available with
+ IA64_UNWIND_INFO.
+ (dwarf_fde): Define an IA64 struct for dwarf_fde.
+ (__register_frame_info, __register_frame): Move to common area of file.
+ (__register_frame_info_table, __register_frame_table): Move to common i
+ area.
+ (__deregister_frame_info, __deregister_frame): Move to common area.
+ (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
+ (read_uleb128): New version for ia64.
+ (get_unwind_record): Read the next IA-64 unwind record.
+ (read_R_record): Read a region header record.
+ (process_a_b_reg_code): X record helper.
+ (read_X_record): Read an X format record.
+ (read_B_record): Read a B format record.
+ (P3_record_types): List of record types matching the P3 format.
+ (P7_record_types): List of record types matching the P7 format.
+ (P8_record_types): List of record types matching the P8 format.
+ (read_P_record): Read a P format record.
+ (init_ia64_reg_loc): Set default fields for a register.
+ (init_ia64_unwind_frame): Set defaults for all register records.
+ (execute_one_ia64_descriptor): Execute one descriptor record.
+ (rse_address_add): Calculate the position of a local reg in memory.
+ (normalize_reg_loc): Turn a location descriptor into a memory address.
+ (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
+ within a specified PC offset range.
+ (get_real_reg_value): Given a register location, retrieve its value.
+ (set_real_reg_value): Change the value of a register location.
+ (copy_reg_value): Copy reg values, if needed.
+ (copy_saved_reg_state): Copy all registers that need to be copied.
+ (process_state_between): Normalize all frame register records that
+ fall within the specified PC range.
+ (frame_translate): Take a processed frame description, and turn
+ everything into addresses.
+ (build_ia64_frame_state ): Find and create frame state record for a PC.
+ (get_personality): Get the personality routine for a given frame.
+ (get_except_table): Get the exception table for a given frame.
+ (record_name): Unwind record names for debugging.
+ (print_record): Print and unwind record.
+ (print_all_records): Print an entire unwind image.
+ (__ia64_backtrace): Print a backtrace.
+ (ia64_backtrace_helper): New function.
+ (__register_frame_info_aux): New function.
+ * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
+
+ * frame.h (enum unw_record_type): New unwind record types.
+ (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
+ (struct unw_r_record, unwind_record): New unwind record structs.
+ (struct unwind_info_ptr): Unwind information layout.
+ (IA64_UNW_LOC_TYPE_*): Macros for different types for location
+ descriptors.
+ (struct ia64_reg_loc): Register location description.
+ (struct ia64_frame_state): Location of all registers in a frame.
+ (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
+ * libgcc2.c (__ia64_personality_v1): Personality routine.
+ (__calc_caller_bsp): Calculate the bsp register for the caller's
+ frame.
+ (ia64_throw_helper): Figure out who to return to and set up the
+ registers.
+ (__throw): Throw routine.
+
+ * output.h (assemble_eh_align, assemble_eh_label): New functions
+ to generate EH info where we want it.
+ (assemble_eh_integer): New function.
+ * toplev.c (compile_file): Output module level exception table for
+ non-ia64 targets.
+ (main): Set exceptions_via_longjump and flag_new_exceptions based
+ on IA64_UNWIND_INFO too.
+
+ * varasm.c (assemble_eh_label): Generate a label via
+ ASM_OUTPUT_EH_LABEL if it has been specified.
+ (assemble_eh_align): Generate an alignment directive via
+ ASM_OUTPUT_EH_ALIGN if it has been specified.
+ (assemble_eh_label): Generate an integer value via
+ ASM_OUTPUT_EH_type if they have been specified.
+ * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
+ (ia64_init_builtins): Add __builtin_ia64_bsp
+ and __builtin_ia64_flushrs.
+ (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
+ IA64_BUILTIN_FLUSHRS.
+ * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
+ IA64_BUILTIN_FLUSHRS.
+
+ * config/ia64/ia64.md (flushrs): New insn to flush the register
+ stack. Add to unspec list.
+
+ * config/ia64/crtbegin.asm (frame_object): Change size.
+ (__do_frame_setup_aux): New function.
+ * config/ia64/crtend.asm: call __do_frame_setup_aux.
+ * config/ia64/t-ia64 (LIB2ADDEH): Add.
+ * Makefile.in (LIB2ADDEH): Add.
+ (LIB2ADD): Use LIB2ADDEH.
+
+2000-05-24 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (offsettable_address_p): If mode size is zero, assume
+ BIGGEST_ALIGNMENT.
+
+2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
+
+ * configure.in: Check for -Wno-long-long option support and improve
+ handling of warning CFLAGS for stages 1 and 2.
+ * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
+ * configure: Regenerate.
+
+Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * gcc.texi: Remove contributor list. Instead include contrib.texi.
+ * contrib.texi: New file.
+
+Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (basic_induction_var): Avoid double recording of an increment.
+
+Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Back out this patch:
+ Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
+ * loop.h (struct induction): Add multi_insn_incr.
+ * loop.c (basic_induction_var): New multi_insn_incr argument.
+ Set it if we search back through previous insns for the biv.
+ (record_biv): New multi_insn_incr argument; fill in struct induction.
+ (strength_reduce): Discard an iv with multiple bivs, any of
+ which require multiple insns to increment.
+
+ * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
+
+Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtl.h (loc_mentioned_in_p): Declare.
+ * reload.c (loc_mentioned_in_p): Moved from here...
+ * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
+ Fix loop increment for 'E' handling.
+ * loop.c (strength_reduce): When doing biv->giv conversion,
+ take multi-insn biv increments into account.
+
+2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
+
+ * stmt.c (expand_end_bindings): Look through NOTEs to find a
+ BARRIER.
+
+2000-05-24 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (expand_call): Handle cleanups in tail-recursion
+ arguments analogously to cleanups in sibling calls.
+
+2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
+ All callers changed.
+
+2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
+
+ * expr.c (expand_assignment, store_expr, expand_expr,
+ expand_expr_unaligned): Set in_check_memory_usage while emitting
+ chkr_check_addr libcall.
+
+2000-05-24 Nick Clifton <nickc@cygnus.com>
+
+ * fold-const.c (extract_muldiv): When constructing a
+ multiplier/divisor, do not expect const_binop to correctly
+ determine if overflow has occurred, so check explicitly.
+
+2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
+
+ * c-decl.c (build_enumerator): Don't modify the value's type,
+ convert it.
+
+2000-05-24 Andreas Jaeger <aj@suse.de>
+
+ * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
+
+2000-05-24 Eric Christopher <echristo@cygnus.com>
+
+ * configure.in: Redefine inhibit_libc conditions.
+ * libgcc2.c: Remove inhibit_libc conditional define.
+ * configure: Regenerate.
+
+2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
+
+ * configure.in: For --enable-languages=LIST, check for empty LIST.
+ * configure: Regenerate.
+
+2000-05-24 Lars Brinkhoff <lars@nocrew.org>
+
+ * pdp11.h (STACK_BOUNDARY): Define.
+
+2000-05-24 Jakub Jelinek <jakub@redhat.com>
+
+ * ifcvt.c (if_convert): Update life info globally.
+
+2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * emit-rtl.c (unshare_all_decls): New function.
+ (unshare_all_rtl): Call it.
+
+2000-05-23 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Treat 'strongarm' as if it were 'arm' when
+ determining cpu type.
+
+ * configure: Regenerate.
+
+ * config/arm/arm.c: Change 'char *' to 'const char *' for cases
+ where constant strings are involved.
+
+ * config/arm/arm.h (arm_condition_codes): Change type to 'const
+ char *'.
+
+ * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
+ cases where constant strings are involved.
+
+Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/sh/sh.c (gen_far_branch, split_branches): Update
+ to reflect new prototypes for redirect_jump and invert_jump.
+ (sh_insn_length_adjustment): Get rid of const warnings.
+
+2000-05-23 Kazu Hirata <kazu@hxi.com>
+
+ * invoke.texi (Options for Debugging Your Program or GCC): Update
+ the names of dump files.
+
+Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
+ * configure: Regenerated.
+
+2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * simplify-rtx.c (SIGN_EXTEND): New macro.
+ (simplify_unary_operation, simplify_binary_operation,
+ simplify_relational_operation): Use SIGN_EXTEND. Make low
+ halves of (low, high) pairs unsigned if they weren't already.
+ (simplify_ternary_operation): Cast INTVAL to unsigned before
+ comparing to a MODE_BITSIZE.
+
+2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
+ rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
+
+ * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
+ gcc_AC_NEED_DECLARATIONS.
+
+ * dwarfout.c: Don't prototype time().
+
+ * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
+
+ * system.h: Likewise.
+
+ * toplev.c: Likewise.
+
+2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-decl.c (pushdecl): Invert sense of test for non-global types.
+
+Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
+
+2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
+
+ * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
+
+Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
+ (alpha_start_function): Never write ..ng label if VMS or NT.
+ (alpha_align_insns): Remove GP_IN_USE arg.
+ Alignment now unsigned.
+ (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
+ * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
+ and two define_insn's.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (simplify_comparison): Use trunc_int_for_mode.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * stor-layout.c (place_field): Change rli->size to rli->offset.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Make sure
+ existing line number notes appear after the prologue.
+
+Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/alpha.c (alpha_fnname): New static variable.
+ (print_operand, case '~'): New case.
+ (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
+ (alpha_start_function): Set alpha_fnname.
+ Write "ng" label if no ldgp; don't write ldgp insn.
+ * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
+ * config/alpha/alpha.md (prologue_ldgp): New define_insn.
+
+Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
+ on deleted labels.
+
+2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
+
+ * varasm.c (eh_frame_section): Revert change to argument list.
+
+Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
+ (gen_extend_insn, can_fix_p, can_float_p): Likewise.
+
+ * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
+ dangling "else" that causes "break" to be conditional.
+ Also remove unneeded code at start.
+
+Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
+ * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
+ * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
+
+2000-05-22 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
+ just one argument.
+
+Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (record_component_aliases): New function.
+ * tree.h: Clean up some declarations and comments.
+ (record_component_aliases): New declaration.
+ * tree.c (get_alias_set): If type and has alias set, use it.
+
+2000-05-22 Richard Henderson <rth@cygnus.com>
+
+ * simplify-rtx.c (simplify_ternary_operation): Try to simplify
+ IF_THEN_ELSE to a setcc form.
+ * jump.c (can_reverse_comparison_p): Be prepared for insn null.
+
+2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
+ (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
+
+Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
+ not a PARALLEL.
+
+2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
+ * config/mn10300/mn10300.c (print_operand): Likewise.
+
+ * final.c (split_double): Right shift of negative values is not
+ portable.
+
+ * ifcvt.c (if_convert): Scan and kill dead code.
+
+ * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
+
+2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * diagnostic.c: Eliminate implicit int.
+ * except.c, gcc.c: Add static prototypes.
+ * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
+ * gensupport.c (process_rtx): Use XVEC to initialize vector
+ slot of 'split'.
+
+ * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
+ debug_reg_names instead of static reg_names. If not, define
+ global reg_names.
+ * regclass.c: Don't define global reg_names unless
+ DEBUG_REGISTER_NAMES is defined.
+
+ * reload1.c (order_regs_for_reload): Remove unused variable.
+ * varasm.c: Include output.h after defaults.h. Define
+ eh_frame_section as function of no args, not of unspecified args.
+
+ * gcc.c: Constify argbuf; arguments to store_arg,
+ process_command, main; elements of struct command and struct
+ switchstr; local variables in execute, process_command, main.
+
+2000-05-20 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def: many applications of c_fix=format + tests
+ * fixinc/check.diff: regenerated
+ * fixinc/fixincl.x: regenerated
+
+Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c: Clarify some comments.
+ (record_base_value): REGNO is unsigned.
+ * rtl.h (record_base_value): Likewise.
+
+ * alias.c (aliases_everything_p): Don't special-case QImode here.
+ * c-common.c (c_get_alias_set): Do it here.
+ Handle BIT_FIELD_REF by getting alias info for arg.
+ Use POINTER_TYPE_P.
+
+2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
+
+ * mklibgcc.in: Restore rule to create ${dir}.
+
+Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
+
+ * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
+ GCC_FOR_TARGET used by MULTILIBS.
+ * mklibgcc.in: Make sure each .o file depends on the
+ directory it will be in.
+ Make the multilib directory depends libgcc.
+
+Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
+
+ * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
+
+Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * fold-const.c (make_range): Handle degenerated intervals.
+ Fixes c-torture/execute/991221-1.c
+
+Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
+ * reload.c (find_equiv_reg): Likewise.
+ * alias.c (init_alias_analysis): Likewise.
+ Only call prologue_epilogue_contains on insns.
+ * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
+ * bb-reorder.c (hard-reg-set.h): Include earlier.
+ * haifa-sched.c (hard-reg-set.h): Likewise.
+ * ifcvt.c (hard-reg-set.h): Likewise.
+ * local-alloc.c (hard-reg-set.h): Likewise.
+ * loop.c (hard-reg-set.h): Likewise.
+ * predict.c (hard-reg-set.h): Likewise.
+ * regrename.c (hard-reg-set.h): Likewise.
+ * flow.c (hard-reg-set.h): Likewise.
+ (reg_set_to_hard_reg_set): New function.
+ * bitmap.c (regs.h, basic-block.h): No longer include.
+ (bitmap.h): Now include.
+ * conflict.c (hard-reg-set.h): Include.
+ * profile.c (hard-reg-set.h): Likewise.
+ * print-rtl.c (hard-reg-set.h): Likewise.
+ * sbitmap.c (hard-reg-set.h): Likewise.
+ * toplev.c (hard-reg-set.h): Likewise.
+ * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
+ * hard-reg-set.h (reg_names): Now constant.
+ * regs.h (reg_names): Likewise.
+ * regclass.c (reg_names): Likewise.
+ * loop.h (basic-block.h): No longer include.
+ (bitmap.h): Now include.
+ * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
+ * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
+ (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
+
+2000-05-19 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (struct edge_def): New field "count".
+ (struct basic_block_def): Likewise.
+ * flow.c (entry_exit_blocks): Add count fileds.
+ (split_edge): Keep count information up-to-date.
+ (dump_edge_info, dump_flow_info): Dump count fields.
+
+ * final.c (count_instrumented_edges): Rename to edge from arc.
+ (end_final): Update users.
+ * profile.c: Include expr.h, basic-block.h.
+ (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
+ (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
+ (ignore_next_note, return_label_execution_count): Kill.
+ (bbg_file_name, da_file_name): Kill.
+ (edge_info, bb_info): New structures.
+ (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
+ (count_instrumented_edges, total_num_edges): Rename to edge from arc.
+ (total_num_edges_instrumented): Likewise.
+ (init_arc, expand_spanning_tree): Kill.
+ (fill_spanning_tree, tablejump_entry_p): Kill.
+ (instrument_edges): Rewrite from instrument_arcs to use
+ commit_edge_insertions infrastructure.
+ (compute_branch_probabilities): Remove arguments; rewrite for
+ CFG infrastructure; use rtl_dump_file directly.
+ (branch_prob, find_spanning_tree): Likewise.
+ (union_groups, find_group): New.
+ (init_branch_prob): Make bbg_file_name and da_file_name local.
+ (end_branch_prob): Use rtl_dump_file directly.
+ (init_edge_profiler): Rename to edge from arc.
+ (output_arc_profiler): Kill.
+ (gen_edge_profiler): New.
+ (output_func_start_profiler): Turn off profiling. Make the
+ constructor static when we can.
+ * rtl.h (branch_prob, end_branch_prob): Update prototypes.
+
+ * toplev.c (DFI_flow): Remove.
+ (DFI_cfg, DFI_life): New.
+ (dump_file): Update accordingly.
+ (compile_file): Call end_branch_prob if profile_arc_flag too.
+ (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
+ profiling after the CFG is built. Move flow1 life analysis to
+ DFI_life. Always estimate remaining probabilities.
+
+2000-05-19 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
+
+ * flow.c (make_edges): The sibling call edge to exit is abnormal.
+
+2000-05-19 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (redirect_jump): Add delete_unused argument. Don't
+ remove labels and code following when LABEL_NUSES goes to zero.
+ (invert_jump): Likewise.
+ (jump_optimize_1): Fix redirect/invert arguments.
+ (do_cross_jump, thread_jumps): Likewise.
+ * flow.c (split_edge): Likewise.
+ * reorg.c (optimize_skip): Likewise.
+ (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
+ * profile.c (instrument_arcs): Likewise.
+ * loop.c (find_and_verify_loops): Likewise. Fix indentation.
+ * rtl.h: Update prototypes.
+
+Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * ssa.c (convert_from_ssa): Tell life_analysis we need death
+ notes.
+ (make_regs_equivalent_over_bad_edges): Only look at abnormal
+ critical edges.
+
+2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (funlike_macroexpand): Make sure not to walk p1
+ past l1 when deleting whitespace and markers.
+
+ * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
+ * cpplib.c (do_unassert): Put the list to compare against on
+ the stack.
+
+2000-05-19 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/README: cleaned up old documentation
+ * fixinc/check.diff: regenerated & verified on OSR5 on ix86
+ * fixinc/check.tpl: compute the list of needed directories
+ emit "#if defined(name)" because of conflict
+ omit machine name differences from output differences
+ * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
+ (machine_name): change test text to use `sed' markers
+ * fixinc/fixincl.x: regen
+
+Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
+ a CONSTRUCTOR.
+
+2000-05-18 Chris Demetriou <cgd@sibyte.com>
+
+ * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
+ it to match the current practice.
+
+2000-05-18 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
+
+2000-05-18 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
+ * rtl.h (insn_dependant_p): Declare it.
+ * loop.c (strength_reduce): Use it.
+
+2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
+ 16-bit and 64-bit clean-up.
+
+2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * configure.in (*-pc-msdosdjgpp): Set float_format to none.
+ * configure: Rebuilt.
+
+2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * genopinit.c: Use $ for escape sequences in optab patterns.
+ Remove backslashes from optab patterns. Change $A, $B, $C to
+ expand to (int) whatever instead of just whatever; remove
+ explicit (int) from all optab patterns.
+
+ * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
+ * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
+ genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
+ genrecog.c: Remove private copies of xmalloc, xrealloc, and
+ xstrdup.
+
+2000-05-18 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Base minimum insn count during
+ find_cross_jump on BRANCH_COST.
+
+2000-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ * print-rtl.c (print_rtx): Only print note line number as string
+ if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
+ * final.c (final_scan_insn): Do nothing for note line number 0.
+
+2000-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
+ from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
+ NOTE_INSN_DELETED_LABEL.
+
+2000-05-18 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
+ uninitialized data in .rodata not .bss, and do not interpret an
+ error in the initialisation value as meaning that the variable
+ should be placed in the .bss section.
+
+Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
+ not `$ac_cv_prog_cc_cc_c_o'.
+ * configure: Regenerated.
+
+2000-05-18 Chris Demetriou <cgd@sibyte.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * c-common.h (enum c_tree_index): Add g77 type entries.
+ (g77_integer_type_node, g77_uinteger_type_node): New.
+ (g77_longint_type_node, g77_ulongint_type_node): New.
+ * c-decl.c (init_decl_processing): Initialize them.
+
+2000-05-18 Richard Henderson <rth@cygnus.com>
+
+ * config/h8300/h8300.md (subs patterns): Use %G to negate.
+
+ * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
+ (small_power_of_two): Likewise; use exact_log2.
+ (adds_subs_operand, one_insn_adds_subs_operand): Remove.
+ (output_adds_subs): Remove.
+ (two_insn_adds_subs_operand): New.
+ (split_adds_subs): New.
+ * config/h8300/h8300-protos.h: Update.
+ * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
+ (CONST_OK_FOR_L): Match strict adds operands.
+ (CONST_OK_FOR_N): Match struct subs operands.
+ * config/h8300/h8300.md (adds_subs insns): Remove.
+ (addhi patterns): Output adds/subs directly.
+ (addsi_h8300h): Likewise.
+ (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
+
+2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (parse_assertion): New.
+ (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
+ (_cpp_parse_expr): Remove case '#'. Don't set
+ parsing_if_directive.
+ * cpphash.c (collect_objlike_expansion,
+ collect_funlike_expansion, collect_params,
+ _cpp_create_definition): The list no longer has a trailing
+ VSPACE token.
+ * cpphash.h (enum node_type): Add T_ASSERTION.
+ (struct hashnode): Remove aschain, add pred.
+ (struct predicate): New.
+ Update prototypes.
+
+ * cpplex.c (expand_token_space): Handle both offset and
+ nonoffset lists.
+ (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
+ (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
+ _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
+ _cpp_equiv_toklists): New.
+ (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
+ stop at any single-character token, not just newline.
+ (_cpp_lex_token): Remove special cases for #define and #if.
+ (cpp_get_token): Expect # as a separate token type. Remove
+ DIRECTIVE case.
+ (_cpp_get_directive_token): Remove DIRECTIVE case.
+ (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
+
+ * cpplib.c (_cpp_check_directive): Set dirno and
+ SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
+ (_cpp_handle_directive): Run # <number> through the same logic
+ as normal directives.
+ (do_define): Don't set parsing_define_directive. Use
+ _cpp_scan_until. The list does not have a VSPACE at the end.
+ (do_if): Save, clear, and restore only_seen_white around
+ _cpp_parse_expr.
+ (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
+ (do_assert, do_unassert): Rewrite.
+
+ * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
+ (LIST_OFFSET): New flag.
+ (struct cpp_toklist): Replace dir_handler and dir_flags with
+ dirno and flags.
+ (struct cpp_reader): Remove parsing_if_directive and
+ parsing_define_directive.
+
+2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
+ following the cabs decl which terminate on the following line.
+ Add the corresponding test_text case.
+
+2000-05-18 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (cpp_reader_init): Initialize col_adjust and
+ default tab stop size.
+ (no_num, OPT_ftabstop): New.
+ (handle_option): Handle "ftabstop=" command-line option.
+ (print_help): Document it.
+ * cpplex.c (COLUMN): Remove.
+ (handle_newline): Reset col_adjust.
+ (skip_whitespace): Update col_adjust as tabs encountered.
+ (_cpp_lex_line): Update to use col_adjust. Call
+ skip_whitespace for all whitespace.
+ * cpplib.h (struct cpp_options): New member tabstop.
+ (struct cpp_reader): New member col_adjust.
+ (CPP_BUF_COL): Update.
+ (CPP_BUF_COLUMN): New.
+ * cpp.texi: Document "-ftabstop=" command line option.
+
+Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
+ files.
+ * configure: Rebuilt.
+
+Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
+
+ * tree.c (build_common_tree_nodes): Do not build TI nodes unless
+ HOST_BITS_PER_WIDE_INT is >= 64.
+
+2000-05-17 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Remove inactive but real insns
+ in jump-to-next-insn optimization.
+
+2000-05-17 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
+ unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
+ Don't call recompute_reg_usage if no_new_pseudos is true.
+ * lcm.c (optimize_mode_switching): Move ifdefs outside function.
+ Return true if we did work; update global life information.
+ * basic-block.h (optimize_mode_switching): Update decl.
+
+2000-05-17 Neil Booth <neilb@earthling.net>
+
+ * cpplex.c (expand_name_space): Don't use ptrdiff_t.
+
+2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c: New feature, #pragma system_header.
+ * cpp.texi: Document special treatment of system headers, and
+ the various mechanisms to get a header that special treatment.
+
+2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (offsetof): Define at the very end, to ensure we prefer
+ the platform's definition if available.
+
+2000-05-16 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
+ * fixinc/server.c: likewise
+ * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
+ + #ifdef debugging code + use #def constant for
+ sub-pattern count
+ * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
+ on C++ math namespace
+
+2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
+ Don't check the return value of sprintf. Use asprintf to avoid
+ buffer overflows.
+
+Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * flags.h (warn_unused_function, warn_unused_label,
+ warn_unused_parameter, warn_unused_variable, warn_unused_value):
+ Replace ``warn_unused''.
+ (set_Wunused): Add declaration.
+ * toplev.c (set_Wunused): New function.
+ (warn_unused_function, warn_unused_label, warn_unused_parameter,
+ warn_unused_variable, warn_unused_value): New variables.
+ (W_options): Add -Wunused-function, -Wunused-function,
+ -Wunused-label, -Wunused-parameter, -Wunused-variable and
+ -Wunused-value. Delete -Wunused. Handled in decode_W_option.
+
+ * toplev.c (decode_W_option): Update -Wunused flags by calling
+ set_Wunused.
+ * c-decl.c (c_decode_option): Ditto for -Wall.
+
+ * stmt.c (expand_expr_stmt, expand_expr_stmt,
+ warn_about_unused_variables): Replace warn_unused with more
+ explicit warn_unused_value et.al.
+ * function.c (expand_function_end): Ditto.
+ * c-typeck.c (internal_build_compound_expr,
+ internal_build_compound_expr): Ditto.
+ * c-decl.c (poplevel, pop_label_level): Ditto.
+ * toplev.c (check_global_declarations): Replace warn_unused with
+ check for either warn_unused_function or warn_unused_variable.
+
+ * gcc.1, invoke.texi (Warning Options): Document
+ -Wunused-function, -Wunused-function, -Wunused-label,
+ -Wunused-parameter, -Wunused-variable and -Wunused-value options.
+
+Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
+ $(srcdir), not in the current directory.
+
+2000-05-16 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
+ assembler supports it.
+ (.fini, .init): Use a gp-relative indirect call.
+ (__do_global_dtors_aux): Preserve the gp; rebundle.
+ (__do_frame_setup): Likewise.
+ * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
+ (.init): Use a gp-relative indirect call.
+ (__do_global_ctors_aux): Preserve the gp.
+
+2000-05-16 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (commit_one_edge_insertion): Be prepared for a return
+ insn to be inserted on the edge with a normal jump.
+ * jump.c (jump_optimize_1): Don't look to create return isns.
+
+ * flow.c (flow_delete_insn): Don't adjust reference count of notes.
+ * jump.c (jump_optimize_1): Likewise.
+ (returnjump_p): Verify the argument is a JUMP_INSN.
+ * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
+
+2000-05-16 Nick Clifton <nickc@cygnus.com>
+
+ * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
+ GET_RTX_CLASS (GET_CODE ()) == 'i'.
+ (large_insn_p): Ditto.
+ (m32r_is_insn): New function: Return true if the insn contains
+ an executable instruction.
+ (m32r_adjust_insn): Use m32r_is_insn.
+ (m32r_sched_reorder): Use m32r_is_insn.
+ (m32r_sched_variable_issue): Use m32r_is_insn.
+
+2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
+ VAR_DECL.
+
+ * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
+
+ * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
+ according to given options.
+
+Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
+ if X has VOIDmode either.
+ (LIMIT_RELOAD_CLASS): Similarly.
+
+ * mn10200.md (indirect_jump, tablejump): Use "register_operand",
+ not "general_operand" to match the processor's capabilities.
+
+2000-05-16 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/README: corrected return address
+ * fixinc/check.diff: regenerate, now that test works
+ * fixinc/fixfixes.c(format_fix,format_write): reformatted
+ (char_macro_def_fix,char_macro_use_fix): corrected and
+ rewrote to use regex to parse the text
+ * fixinc/inclhack.def: more testing
+ * fixinc/fixincl.x: regenerated
+
+ * fixinc/inclhack.def: added several "test_text" attributes
+ changed several fixes to use `c_fix = format'
+ re-alphabetized the fixes
+
+ * fixinc/check.diff: regenerate
+ * fixinc/fixincl.x: regenerate
+ * fixinc/check.tpl: added `sparc' and `netinet' to the list
+ of created dirs
+
+
+2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Run full jump pass before
+ find_basic_blocks of flow2.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * jump.c: Fix typos and clarify commentary from last change.
+ (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
+ (safe_to_remove_jump_p): Remove.
+ (condjump_label): Use pc_set.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
+ that get in the way after reload.
+ (cond_exec_process_if_block): Skip a label heading THEN block.
+
+2000-05-15 Richard Henderson <rth@cygnus.com>
+
+ * varasm.c (output_constant_pool): Abort instead of converting
+ (improperly) deleted labels to zero.
+
+2000-05-16 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (parse_string2): Update comment.
+ (cpp_lex_line): No special assertion treatment for '('.
+ * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
+ * cpplib.h (SYNTAX_ASSERT): Remove.
+
+Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (condjump_p): Mark as depreached.
+ (any_condump_p): New.
+ (any_uncondump_p): New.
+ (pc_set): New.
+ (safe_to_remove_jump_p): New.
+ * rtl.h (any_condump_p, any_uncondjump_p, pc_set
+ safe_to_remove_jump_p): Declare.
+
+Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c: Re-install both patches reverted by last patch.
+ (struct arg_data): New field tail_call_reg.
+ (initialize_argument_information): Initialize tail_call_reg
+ (load_register_parameters): New argument flags, use
+ tail_call_reg when emiting tail call sequence.
+ (expand_call): Update call of load_register_parameters;
+ copy unadjusted_args_size to adjusted_args_size.
+
+Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
+ and bct_p parameters to flags.
+ * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
+ * rtl.h (loop_optimize): Update prototype.
+ * toplev.c (rest_of_compilation): Update call of loop_optimize.
+
+2000-05-15 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (expand_call): Move expand_start_target_temps call after
+ start_sequence().
+
+2000-05-15 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.c (trad_stringify, warn_trad_stringify,
+ collect_params): Make some pointers pointers to const.
+ * cpplex.c (auto_expand_name_space) Guaranteed to always
+ expand by at least one character.
+ (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
+ (struct token_spelling): Use const U_CHAR * rather than PTR.
+ (expand_name_space): Fix up token pointers if name space
+ is moved when expanding.
+ (INIT_NAME, cpp_scan_line, parse_name, parse_number,
+ parse_string2, save_comment, spell_token, cpp_output_list):
+ Update so the routines handle tokens with a direct pointer to
+ their text, rather than an offset into the token's list's namebuf.
+ (_cpp_lex_line): Rearrange for clarity.
+
+ * cpplib.c (_cpp_check_directive): Similarly.
+ (do_define): Make SYM a pointer to const.
+ * cpplib.h (struct cpp_name): Replace offset with direct pointer.
+ (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
+ (TOK_OFFSET): Delete.
+ (TOK_NAME): Update.
+
+2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
+ 64-bit ABI.
+
+ * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
+ into account.
+ (logical_u_operand): Delete.
+ (non_logical_cint_operand): Rewrite to take MODE into account.
+ (non_logical_u_cint_operand): Delete.
+ (boolean_operator): New function.
+ (print_operand): Add new %q operand.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
+ remove logical_u_operand and non_logical_u_cint_operand,
+ update logical_operand and non_logical_cint_operand.
+ * config/rs6000/rs6000.md: Rewrite the patterns for performing
+ logical operations to use %q.
+
+ * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
+ (movdi): Make similar to movsi.
+ * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
+ is no such thing as a DImode CONST_DOUBLE.
+ * config/rs6000/rs6000.c (output_toc): Likewise.
+
+ * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
+ codes when old mnemonics are in use. Print register names
+ for cc registers when requested.
+
+ * optabs.c (expand_float): Don't allow mode widening that causes
+ double rounding.
+
+ * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
+ flags to their current names -maix64 and -maix32.
+
+2000-05-14 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
+ and/or after current text of file
+ * fixinc/fixlib.c(must_malloc):
+ * fixinc/fixlib.h(must_malloc): + reformatting
+ * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
+ with usages of ``c_fix = wrap;''
+ Add several tests and use the ``c_fix = format'' fixer more.
+ * fixinc/fixincl.x: regen
+ * fixinc/check.diff: regen
+ * fixinc/check.tpl: emit the associated header with the missing
+ test message
+
+Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
+ variables $src and $dst.
+
+2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
+ (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
+ (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
+ (struct output_buffer: emitted_prefix_p, prefixing_rule): New
+ fields.
+ (set_message_prefixing_rule): Declare.
+
+ * diagnostic.c: (current_prefixing_rule): New variable.
+ (set_message_prefixing_rule): Define.
+ (output_set_prefix): Adjust buffer->emitted_prefix_p.
+ (init_output_buffer): Adjust Initialization.
+ (output_emit_prefix): Rewrite. Take prefixing rules into account.
+
+Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * ifcvt.c (if_convert): Do not free NULL.
+
+2000-05-12 H.J. Lu (hjl@gnu.org)
+
+ * gthr-dce.h: Add support for libobjc.
+ * gthr-posix.h: Likewise.
+ * gthr-solaris.h: Likewise.
+ * gthr-vxworks.h: Likewise.
+ * gthr-single.h: Likewise.
+ * gthr-win32.h: Likewise.
+
+2000-05-12 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.c (fr30_move_double): New function: Emit code
+ to move a double word value.
+ (di_operand): New function: Return true if the operand is suitbale
+ for a double word move operation.
+ (nonimmediate_di_operand): New function: Return true if the
+ operand is a DImode register or MEM.
+
+ * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
+ nonimmediate_di_operand.
+
+ * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
+ nonimmediate_di_operand.
+
+ * config/fr30/fr30.md (movdi): New pattern. Required because
+ other patterns generate DImode results.
+ (movdi_insn): New pattern.
+
+2000-05-12 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (struct shadow_summary): Define
+ bitfields as type unsigned int.
+
+Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/t-avr: Added definition of FLOAT while generates
+ fp-bit.c
+
+ * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
+ peepholes for tst+jump = sbrs/sbrc optimization.
+
+Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (emit_push_insn): Do not adjust stack pointer when
+ preallocating.
+
+Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
+ * system.h (offsetof): ... to here.
+
+2000-05-12 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
+ * final.c (final_end_function): Use app_disable. Rearrange note
+ handling into a switch. Emit deleted labels.
+ (output_asm_label): Generate label strings for deleted labels.
+ * flow.c (tail_recursion_label_list): New.
+ (find_basic_blocks_1): Set label_value_list directly. Collect list
+ of tail recursion labels from call_placeholders. Don't add deleted
+ labels to the label value list.
+ (cleanup_cfg): Use free_EXPR_LIST_list.
+ (flow_delete_insn_chain): Turn non-removable labels into notes.
+ (flow_delete_block): Don't disable deleting the block because of
+ a non-removable label.
+ (tail_recursion_label_p): New.
+ (merge_blocks_move_predecessor_nojumps): Don't disable the merge
+ because of a label.
+ (merge_blocks_move_successor_nojumps): Likewise. Also move a
+ jump table.
+ (merge_blocks): Disable a merge because of tail recursion labels.
+ * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
+ Use a more accurate measure of not merging the join block.
+ (find_if_block): Don't disable conversion because of a label.
+ (find_if_case_1, find_if_case_2): Likewise.
+ * jump.c (duplicate_loop_exit_test): Preserve the kind of list
+ element when copying.
+ (squeeze_notes): Also leave EH notes.
+ (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
+ REG_LABEL notes.
+ (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
+ deleting a label.
+ * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
+ NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
+ referring to a deleted label. Convert tail handling to a switch.
+ * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
+ for NOTE_INSN_DELETED_LABEL.
+ (NOTE): Fix commentary.
+ * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
+ (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
+ (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
+ (LABEL_NUSES, LABEL_REFS): Likewise.
+ * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
+
+2000-05-12 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c(format_write): buglet & relaxed rules
+ * fixinc/check.diff: updated
+ * fixinc/inclhack.def: corrected & added some test_text-s
+ * fixinc/genfixes: removed unneeded options to autogen invocation
+ * fixinc/fixincl.tpl: Specified the output file
+ * fixinc/fixfixes.c: visual appearance
+ * fixinc/fixincl.x: regenerate
+
+2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
+ CTRL_defn_fix): Delete.
+ (fix_char_macro_defines, fix_char_macro_uses): Rename to
+ char_macro_def_fix and char_macro_use_fix, respectively. Put
+ them into the FIXUP_TABLE. Get the string to search for from
+ a c_fix_arg.
+
+ (format_write): New function.
+ (format_fix): Use it.
+
+ (FIX_PROC_HEAD): Constify text parameter.
+ (machine_name_fix): Constify all char *s.
+ * fixtests.c (skip_quote): Remove double static.
+
+ * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
+ ctrl_use_quotes): Update for new scheme.
+ * fixincl.x: Regenerate.
+
+2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
+ DWARF2_DEBUG.
+ (DWARF2_ASM_LINE_DEBUG_INFO): Define.
+ (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
+
+2000-05-11 Robert Lipe <robertlipe@usa.net>
+
+ * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
+ * fixincl.x: Regenerate.
+
+2000-05-11 Richard Henderson <rth@cygnus.com>
+
+ * calls.c: Revert both 05-09 patches.
+
+2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (print_operand): Print FP constants in
+ hexadecimal.
+ * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
+ for FP values.
+
+ * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
+ and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
+
+2000-05-11 Jason Merrill <jason@casey.cygnus.com>
+
+ * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
+
+2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
+
+Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
+ * config/avr/avr.c (jump_over_one_insn_p): New function.
+ * config/avr/avr.md: New peepholes added. Output test and
+ conditional jump to "sbrc" or "sbrs" command.
+
+2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * cppmain.c (main): Use IS_DIR_SEPARATOR.
+
+2000-05-11 Jakub Jelinek <jakub@redhat.com>
+
+ * except.c (find_exception_handler_labels_1): New function.
+ (find_exception_handler_labels): Split into two functions, dive
+ into CALL_PLACEHOLDERs when looking for exception handler labels.
+
+2000-05-11 Stan Cox <scox@cygnus.com>
+
+ * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
+ * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
+ * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
+
+2000-05-11 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixfixes.c (double_slash_fix): obsolete
+ (else_endif_label_fix): obsolete
+ (format_fix): new, unused as yet
+ (main): obsolete
+ * fixinc/fixlib.h: added fix description struct for use by format_fix
+ * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
+ * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
+ modules. Removed the vestiges of the script version.
+ Added support for "make check".
+ * fixinc/check.diff: base diff file (needs work!!)
+ * fixinc/check.tpl: quiet the fixup output
+ * fixinc/fixtests.c (main): obsolete
+ * fixinc/fixincl.sh: don't bother copying fixincl to ..
+ * fixinc/fixincl.tpl: provide for arguments to c_fix routines
+
+Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Remove dead code after
+ combine.
+
+2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_funlike_expansion): Make "# is not
+ followed by a macro argument name" a pedwarn, not an error.
+ Preserve the # in the output. Suppress the warning if lang_asm.
+
+Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
+ * configure: Rebuilt.
+
+2000-05-10 Laurynas Biveinis <lauras@softhome.net>
+
+ * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
+
+2000-05-10 Kazu Hirata <kazu@hxi.com>
+
+ * combine.c (try_combine): Fix a typo.
+
+Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (insv): Add comment.
+
+2000-05-10 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
+ * mklibgcc.in: Rewrite to not use functions. Don't shortcut
+ dependencies on FPBIT and DPBIT.
+
+2000-05-10 Nick Clifton <nickc@redhat.com>
+
+ * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
+ when optimising for size.
+ (mark_used_regs:) Ditto.
+ (try_pre_increment_1): Ditto.
+
+2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
+ Make error message friendlier.
+
+ * cpphash.h (struct hashnode): Use struct hack for name
+ member.
+ * cpphash.c (struct hashdummy): New.
+ (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
+ (make_HASHNODE): No need to set ->name pointer. Correct
+ setting of p.
+ (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
+
+2000-05-10 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks_1): Remove any spare bb_note
+ after completion.
+
+2000-05-10 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
+
+2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
+
+ * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
+ after we enter .debug.
+
+2000-05-10 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
+ abstract instance of a nested inline function.
+
+ * stor-layout.c (finish_record_layout): finalize_type_size
+ before laying out the pending_statics.
+
+Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (spell_token): New function.
+ (spell_string, spell_comment, spell_name): fold into
+ spell_token.
+ (I, S): Add macros.
+ (E, H): Remove macros.
+ (save_comment): Save comment opening characters too.
+ (_cpp_lex_file): Update to use spell_token. Tidy up comment
+ handling.
+ * cpplib.h (I, S): Add macros.
+ (E, H): Remove macros.
+ (TTYPE_TABLE): Update entries for new speller.
+ (SYNTAX_ASSERT): Remove.
+
+Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
+ when removing escaped newlines. Reverse sense of test for
+ escaped newline.
+
+2000-05-09 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks_1): Do not delete the first
+ bb_note we run across.
+ (create_basic_block): Use reorder_insns to move an existing
+ bb_note to the correct place.
+
+2000-05-09 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Increment currently_expanding_call
+ before calling optimize_tail_recursion.
+
+Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload1.c (reload_combine): Fix errors in last change.
+
+2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * gcc.c (used_arg): Skip over a semicolon at the end of the
+ split-up loop; don't break out of it.
+
+ * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
+ (tree.o): Depend on output.h.
+
+ * c-decl.c (pending_invalid_xref_file,
+ current_function_prototype_file): Constify.
+ (pushdecl): Constify a local char *.
+ (define_label): Constify filename parameter.
+ * c-lex.c (init_parse): Constify parameter and return value.
+ * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
+ * c-tree.h: Update prototypes.
+ * c-parse.in: Constify filename member of %union, and if_stmt_file.
+ * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
+ objc/objc-parse.c: Regenerate.
+
+ * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
+ * dwarfout.h: Update prototypes.
+ * expr.c (expand_expr): Constify a local char *.
+ * flags.h: Constify main_input_filename.
+ * function.c (expand_function_end): Constify filename parameter.
+ * genrecog.c (make_insn_sequence): Use a character array for
+ c_test_pos.
+ (main): Remove unused variables.
+ * input.h: Constify input_filename, main_input_filename, and
+ file_stack.name. Update prototypes.
+ * output.h: Declare first_global_object_name and
+ weak_global_object_name here, as const char *.
+ * stmt.c (expand_asm_operands): Constify filename parameter.
+ * toplev.c (compile_file, push_srcloc, debug_start_source_file):
+ Constify filename parameter.
+ (input_filename, main_input_filename): Constify.
+ * toplev.h: Update prototypes.
+ * tree.c: Include output.h. Don't declare
+ first_global_object_name or weak_global_object_name. Clean up string
+ bashing in get_file_function_name_long.
+ * tree.h (struct tree_decl): Constify filename member.
+ (input_filename): Constify.
+ Update prototypes.
+ * varasm.c (first_global_object_name, weak_global_object_name):
+ Constify.
+ (assemble_start_function, assemble_variable): Clean up string bashing.
+
+ * gcc.c: Constify all spec-related strings initialized,
+ transitively, from string constants. Constify all strings
+ and string variables related to multilibs.
+ (set_spec, read_specs): Cast argument to free to PTR.
+ (used_arg): Do not modify multilib_matches. Use strncmp plus
+ length comparison to compare multilib switches.
+ * genmultilib: Constify everything declared in multilib.h.
+
+Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
+
+ * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
+ as deleted.
+
+Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.h (extra_constraint): change a type of
+ second argument from char to int to avoid warnings.
+ (asm_output_byte): Likewise.
+
+ * config/avr/avr.c (MAX_LD_OFFSET) New macro.
+ (initial_elimination_offset): Handle elimination from
+ FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
+ (legitimate_address_p): Use MAX_LD_OFFSET.
+ (legitimize_address): Likewise.
+ (out_movqi_r_mr): Likewise.
+ (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
+ (out_movsi_r_mr): Use MAX_LD_OFFSET.
+ (out_movsi_mr_r): Likewise.
+ (out_movqi_mr_r): Likewise.
+ (out_movhi_mr_r): Likewise.
+ (notice_update_cc): Correct CC for the ashrqi3 with the shift
+ count as CONST_INT != 6.
+ (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
+ shift count is a CONSTANT_P, but not a CONST_INT.
+ (ashlhi3_out): Coding style modifications.
+ (ashlsi3_out): Likewise.
+ (ashrhi3_out): Likewise.
+ (ashrsi3_out): Likewise.
+ (lshrhi3_out): Likewise.
+ (lshrsi3_out): Likewise.
+ (ashrqi3_out): Generate shift for any known constant count without
+ scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
+ but not a CONST_INT.
+ (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
+ shift count is a CONSTANT_P, but not a CONST_INT.
+ (extra_constraint): change a type of
+ second argument from char to int to avoid warnings.
+ (asm_output_byte): Likewise.
+ (asm_file_end): Output size generated commands count as a hex
+ number too.
+
+ * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
+
+ * config/avr/avr.md (addhi3): Fragment commented by &&0 is
+ removed.
+ (ashlqi3): Values of "length" attribute changed. Shift count
+ uses constraints 'n' instead of 'i'.
+ (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
+ shifts without clobber register.
+ (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
+ (call_insn): Correct test for which_alternative == 1 (was 0).
+ (call_value_insn): Likewise.
+
+ * config/avr/t-avr: Remove definition of FLOAT while generates
+ fp-bit.c
+
+2000-05-09 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl: Template for checking fixes
+ * fixinc/inclhack.def: Added 'test_text' for many fixes
+ disable hpux8_bogus_inlines on SCO
+ * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
+
+Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Reorganize somewhat in order
+ to avoid unnecesary recalculation inside loop and make
+ tail call failure code cleaner.
+
+Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (nonlocal_reference_p): Minor reformatting.
+ * reload.c (find_equiv_reg): Simplify logic for
+ CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
+ some some reformatting.
+ * reload1.c (reload_combine): Don't assume everything in
+ CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * final.c (current_insn_predicate): New.
+ (final_scan_insn): Set it.
+ * output.h (current_insn_predicate): Declare.
+
+ * ifcvt.c (cond_exec_process_insns): New argument prob_val.
+ Attach it to call insns.
+ (cond_exec_process_if_block): Track probability for true and
+ false branches.
+ (dead_or_predicable): Likewise.
+
+ * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
+ (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
+ (PROB_VERY_LIKELY, PROB_ALWAYS): New.
+ (estimate_probability, expected_value_to_br_prob): Use them.
+
+ * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
+ * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
+ (ia64_expand_prediction): New.
+ (emit_insn_group_barriers): Don't look at notes. Emit barriers
+ as needed after calls.
+ (ia64_epilogue_uses): Mark b0 used.
+ * config/ia64/ia64.md (beq_true, beq_false): Remove.
+ (bne_true, bne_false): Remove.
+ (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
+ (br_true, br_false): New. Use predicate_operator and
+ ia64_expand_prediction.
+ (return_true, return_false): Likewise.
+ (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
+ (call_internal1, call_value_internal): Likewise.
+ (call_value_internal1, call_multiple_values_internal1): Likewise.
+
+ * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
+
+ * config/ia64/ia64.md (extendsfdf2): Split only after reload.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (may_trap_p): Consider old-style and volatile
+ asms to trap.
+
+Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.h (predicate_operator): Declare.
+
+ * config/ia64/ia64.md (extendsfdf2): Split the nop case out
+ of existence.
+
+ * gensupport.c (process_rtx): Copy and post-process each member
+ of the define_insn rtvec individually.
+
+Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (spell_token): New function.
+ (TOKEN_LEN): Add 1 for whitespace.
+ (_cpp_lex_file): Update to use spell_token.
+ * cpplib.h (E): Remove.
+ (TTYPE_TABLE): Update CPP_VSPACE entry.
+
+2000-05-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (init_propagate_block_info): Watch out for conditional
+ branch to next instruction, and thus one outgoing edge.
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Exit early
+ for global register variables; don't special case __[CD]TOR_LIST__;
+ mind ggc_p for string allocation.
+
+2000-05-08 Nick Clifton <nickc@cygnus.com>
+
+ * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
+
+2000-05-08 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/mkfixinc.sh: fixinc.sco is no longer used
+ i?86-*-msdosdjgpp* no longer uses fixincludes
+ * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
+ * fixinc/inclhack.sh: deleted
+ * fixinc/hackshell.tpl: deleted
+ * fixinc/inclhack.tpl: deleted
+ * fixinc/Makefile.in: Remove dependencies on above
+ * fixinc/fixincl.sh: "DO NOT EDIT" text modified
+
+2000-05-08 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
+ support.
+
+2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
+ substitutions.
+
+Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c: Move new lexer definitions and prototypes
+ to top. Conditional include these and the code if
+ NEW_LEXER is defined. Rename functions whose names
+ clash if this code included.
+
+Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
+
+ * rtl.def (COND_EXEC): Clarify.
+
+ * i386.md (extendsidi2): Clobber (reg:CC 17) in the
+ same fashion as zero_extendsidi2.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * config/ia64/ia64.c (predicate_operator): New.
+ (ia64_print_operand): Handle 'J'.
+ (rtx_needs_barrier): Handle COND_EXEC.
+ * config/ia64/ia64.h (BRANCH_COST): Define.
+ (PREDICATE_CODES): Update.
+ * config/ia64/ia64.md: Document used unspec values.
+ (attr predicable): New.
+ (movxf, movxf_internal): New.
+ (extendsfdf2): Don't comment out nop.
+ (floatdidf2): Remove.
+ (truncxfsf2, truncxfdf2, floatdixf2): New.
+ (abssi2, absdi2): Put the neg in the "true" slot.
+ (conditional branch instructions): Mark not predicable.
+ (cmov*_internal): Use predicate_operator. Split to cond_exec.
+ (abs*_internal): Likewise.
+ (alloc, set_bsp): Mark not predicable.
+ (barrier, insn_group_barrier, flush_cache): Likewise.
+ (define_cond_exec): New.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c: Include "tm_p.h".
+
+ * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
+ (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
+ (ia64_expand_op_and_fetch): Declare.
+ * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
+ (setjmp_operand): Constify variables for XSTR.
+ (ia64_encode_section_info): Likewise.
+ (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
+ values to int.
+ (ia64_asm_output_external): Constify name.
+ (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
+ (process_for_unwind_directive): Provide switch default.
+ (ia64_expand_compare_and_swap): Remove unused variables.
+ (ia64_expand_builtin): Likewise.
+ * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
+ for printing.
+
+ * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
+ (symbolic_operand, function_operand, setjmp_operand): Likewise.
+ (shift_count_operand, shift_32bit_count_operand): Likewise.
+ (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
+ (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
+ (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
+ (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
+ (ia64_expand_builtin): Likewise.
+ (call_multiple_values_operation): Make dest_regno unsigned.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def (DEFINE_COND_EXEC): New.
+ * md.texi: Document it.
+
+ * gensupport.c (input_file): Remove.
+ (struct queue_elem): Add lineno.
+ (rtx_ready_queue): Remove.
+ (errors): New.
+ (predicable_default): New.
+ (predicable_true, predicable_false): New.
+ (define_attr_queue, define_attr_tail): New.
+ (define_insn_queue, define_insn_tail): New.
+ (define_cond_exec_queue, define_cond_exec_tail): New.
+ (other_queue, other_tail): New.
+ (queue_pattern): New.
+ (process_rtx): Add patterns to the appropriate queues.
+ (is_predicable, identify_predicable_attribute): New.
+ (n_alternatives, collect_insn_data): New.
+ (alter_predicate_for_insn, alter_test_for_insn): New.
+ (shift_output_template, alter_output_for_insn): New.
+ (process_one_cond_exec, process_define_cond_exec): New.
+ (init_md_reader): Read the entire file. Process define_cond_exec.
+ (read_md_rtx): Return elements from the queues.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Don't update conditional life info
+ if the register is not_dead.
+
+2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
+ (mostlyclean): Also delete fixincl, fixinc.sh, and
+ specs.ready, and make clean in the fixinc subdir.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (gensupport.o): Compile for the host.
+ (host-prefix gensuuprt.o): Remove.
+ (genflags.o): Depend on gensupport.h and OBSTACK_H.
+ (genattrtab.o): Likewise.
+ (gencodes.o): Depend on gensupport.h.
+ (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
+ (genpeep.o, genattr.o, genoutput.o): Likewise.
+
+ * gensupport.c (obstack, rtl_obstack): New.
+ (init_md_reader): Initialize rtl_obstack.
+ * gensupport.h (rtl_obstack): Declare.
+ (message_with_line): Declare.
+
+ * genattr.c: Remove all traces of obstack manipulation.
+ * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
+ * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
+
+ * genattrtab.c (obstack, rtl_obstack): Remove.
+ (main): Don't init rtl_obstack.
+ * genflags.c: Likewise.
+
+ * genrecog.c (message_with_line): Move ...
+ * gensupport.c: ... here.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (build_c_cast): Remove dead code.
+
+2000-05-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (split_edge): Don't allocate global_live_at_start for
+ the new block unless the old blocks had them as well.
+
+ * flow.c (mark_set_1): Respect not_dead when updating reg_live.
+
+ * ifcvt.c (noce_process_if_block): Don't use an insn_b from
+ test_bb if a or b uses x.
+
+2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h: Remove conditional #define of __extension__.
+ * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
+ RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
+ (ENABLE_RTL_CHECKING only).
+ * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
+ CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
+ (ENABLE_TREE_CHECKING only).
+ * varray.h: Add __extension__ to VARRAY_CHECK macro
+ (ENABLE_CHECKING only).
+
+2000-05-06 Richard Earnshaw (reanrsha@arm.com)
+
+ Use new tail-calling mechanism on ARM.
+ * arm.md (sibcall, sibcall_value): New expands.
+ (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
+ (tailcalling peepholes): Delete.
+ (push_multi): Simplify.
+ * arm.c (lr_save_eliminated): Delete definition.
+ (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
+ (output_return_instruction): Remove checks on lr_save_eliminated.
+ (output_arm_prologue): Remove old tail-calling code.
+ (arm_output_epilogue): New parameter, really_return. All callers
+ changed. Handle tail-calling epilogues.
+ * arm.h (lr_save_eliminated): Delete declaration.
+ (frame_pointer_needed): Delete declaration.
+ * arm-protos.h (arm_output_epilogue): Adjust prototype.
+
+ * arm.md (is_thumb): Examine symbol thumb_code, not expression
+ TARGET_ARM.
+ * arm.c (thumb_code): Define it.
+ (arm_override_options): Set it.
+ * arm.h (thumb_code): Declare it.
+
+2000-05-06 Richard Earnshaw (reanrsha@arm.com)
+
+ * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
+
+2000-05-06 Richard Earnshaw (reanrsha@arm.com)
+
+ * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
+ bogus clobber to insns.
+ (load_multiple_operation, store_mulitple_operation): Don't check
+ for it.
+ * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
+
+ * arm.md (and_scc, ior_scc): Add missing mode.
+
+ * arm.md (call_value_symbol): Remove predicate from op2.
+
+ * arm.h (SPECIAL_MODE_PREDICATES): Define.
+
+Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (get_subtarget): New function.
+ (force_operand, expand_expr, do_store_flag): Use it.
+
+ * toplev.c (compile_file): Don't take strlen of NAME if null.
+
+2000-05-06 David Edelsohn <edelsohn@gnu.org>
+
+ * xcoffout.c (xcoff_current_include_file,
+ xcoff_current_function_file, xcoff_lastfile): Constify char *.
+ (xcoffout_source_file, xcoffout_source_line): Make filename 'const
+ char *'.
+ (xcoffout_declare_function): Make name 'const char *'.
+ (xcoffout_end_epilogue): Make fname 'const char *'
+ * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
+ xcoffout_declare_function, xcoffout_source_line): Match above.
+
+ * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
+ -maix64 is error.
+ * rs6000.c (print_operand): Fix lossage typo.
+ (output_cbranch): Remove "cr" decoration for now.
+ * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
+
+Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
+ constant count.
+
+2000-05-05 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/genfixes: Improve the matching for make target names
+
+2000-05-05 Catherine Moore <clm@cygnus.com>
+
+ * c-common.c (decl_attributes): For TYPE_DECLs attach the
+ attribute to the decl.
+ * c-decl.c (pushdecl): Propagate the USED attribute to the
+ type copy.
+
+2000-05-05 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
+ same way emit_group_load does.
+
+2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
+
+ * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
+ (main): Likewise.
+
+2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
+
+ * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
+
+Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
+
+ * config/openbsd.h (LINK_SPEC): pass correct flags to ld
+ to support -shared, on platforms with dynamic libraries.
+
+Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * system.h (S_ISBLK): Provide fallback definition.
+
+2000-05-05 Geoff Berry <geoffb@bops.com>
+
+ * extend.texi (Extended Asm): Document inability to give asm
+ statements access to condition codes.
+
+2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * varasm.c (asm_emit_uninitialised): Use 0, not NULL
+ as arg 2 of UNIQUE_SECTION.
+
+Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
+
+ * predict.c: Remove May 4 change.
+ * bb-reorder.c (make_reorder_chain): Do not perform block movement
+ if we have predicted the branch at 50-50 probability.
+
+2000-05-05 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (init_propagate_block_info): Fix merge error
+ in HAVE_conditional_execution code.
+
+Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
+ shift cycle for unknown shift count. Also generates dec + brpl.
+ (ashlqi3_out): Don't generate dec + brpl which now generates by
+ `out_shift_with_cnt'.
+ (ashlhi3_out): Likewise.
+ (ashlsi3_out): Likewise.
+ (ashrqi3_out): Likewise.
+ (ashrhi3_out): Likewise.
+ (ashrsi3_out): Likewise.
+ (lshrqi3_out): Likewise.
+ (lshrhi3_out): Likewise.
+ (lshrsi3_out): Likewise.
+
+2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * gcc.c (free_split_directories): Correct typo in explanation
+ of make_relative_prefix.
+
+2000-05-04 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
+ comparison codes to branch_comparison_operator.
+
+2000-05-04 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
+
+2000-05-04 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
+ (DPBIT_FUNCS): Remove _sf_to_usi.
+ (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
+
+ * ifcvt.c (noce_process_if_block): Fail if A or B modified
+ between condition and jump.
+
+ * libgcc2.c (near eh_context_specific): Comment #endif string.
+ * longlong.h: Don't use strings with embedded newlines.
+
+2000-05-04 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000-protos.h: Add output_cbranch.
+ * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
+ (print_operand): Delete %t and %T codes.
+ (output_cbranch): New function. Support branch prediction.
+ * config/rs6000/rs6000.md: Use output_cbranch for
+ conditional branches and returns.
+
+2000-05-04 Jason Merrill <jason@casey.cygnus.com>
+
+ * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
+ * stor-layout.c (place_field): Likewise.
+ * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
+ * expr.c (store_expr): Make align unsigned.
+ * explow.c (plus_constant_wide): Make low words unsigned.
+ * expmed.c (choose_multiplier): Likewise.
+ * fold-const.c (fold): Likewise.
+ * tree.h (build_int_2): Likewise.
+ * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
+ * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
+ (init_emit): Change cast to unsigned char*.
+ * varasm.c (compare_constant_1): Add cast to char*.
+ * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
+ * reload1.c (reload): Likewise.
+
+ * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
+
+Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
+
+ * predict.c (estimate_probability): If no prediction was found, then
+ predict the successor that is the next physical block (if such a
+ successor exists).
+
+2000-05-04 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
+
+2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
+
+2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
+ attribute macros from here ...
+ (CPP_SPEC): to here.
+ * i386/mingw32.h (CPP_PREDEFINES): Likewise.
+ (CPP_SPEC): Likewise.
+ * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
+
+ * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
+ (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
+
+2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
+
+ * diagnostic (vbuild_message_string, build_message_string,
+ build_location_prefix, output_get_prefix, init_output_buffer,
+ output_notice, vline_wrapper_message_with_location,
+ v_message_with_decl, default_print_error_function): De-constify.
+ (set_real_maximum_length): Prototype.
+
+ * diagnostic.h (struct output_buffer, init_output_buffer,
+ output_get_prefix, output_set_prefix): De-constify.
+
+ * function.c (init_function_start): Constify.
+
+ * gensupport.c (remove_constraints, process_rtx): Prototype.
+
+ * gthr-posix.h: Indent uses of #pragma.
+
+ * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
+ Prototype.
+
+ * predict.c (find_expected_value): Delete prototype.
+ (expected_value_to_br_prob): Initialize variable `ev_reg'.
+
+ * sbitmap.h (debug_sbitmap): Prototype.
+
+ * ssa.c (compute_coalesced_reg_partition): Prototype.
+
+ * stor-layout.c (debug_rli): Prototype.
+
+ * tree.h (round_down): Prototype.
+ (init_function_start): Constify.
+
+2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
+ (overly conservative). Change extern inline wrappers to
+ static inline, define them always, use PARAMS properly.
+ * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
+ whitespace warnings for \f and \v at the beginning of a line.
+
+Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (schedule_insns): Free the flow edge list when it
+ is no longer needed
+
+2000-05-04 Bruce Korb <bkorb@gnu.org>
+
+ * fixincl/inclhack.def: added broken_cabs -
+ Remove `extern double cabs' declarations from math.h
+ * fixincl/inclhack.sh: regen
+ * fixincl/fixincl.x: regen
+ * fixincl/fixincl.c: Remove BOGOSITY code
+ * fixincl/mkfixinc.sh: Remove code for installing "shell" version
+
+Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
+ MEM_ALIAS_SET.
+ * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
+ when calling MEM_COPY_ATTRIBUTES.
+ * emit-rtl.c (operand_subword, change_address): Likewise.
+ * explow.c (stabilize): Likewise.
+ * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
+ * integrate.c (copy_rtx_and_substitute): Likewise.
+ * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
+ when calling MEM_COPY_ATTRIBUTES.
+ (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
+ Likewise.
+ * cse.c (gen_lowpart_if_possible): Likewise.
+ * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
+ * optabs.c (gen_move_insn): Likewise.
+ * recog.c (validate_replace_rtx_1): Likewise.
+ * simplify-rtx.c (add_mem_for_addr): Likewise.
+ * stmt.c (expand_anon_union_decl): Likewise.
+ * config/arm/arm.md: Likewise.
+ * config/h8300/h7300.c (fix_bit_operand): Likewise.
+ * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
+ (block_move_no_loop, block_move_sequence): Likewise.
+ * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
+ * config/alpha/alpha.c (get_aligned_mem): Likewise.
+ Clear MEM_ALIAS_SET.
+ * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
+ MEM_COPY_ATTRIBUTES.
+
+2000-05-03 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
+ to suppress libgcc1.
+ (i[34567]86-*-sco3.2v5*) Likewise.
+ (i[34567]86-*-sco3.2v4*) Likewise.
+ (i[34567]86-*-sco) Likewise.
+ (i[34567]86-*-solaris2) Likewise.
+ (i[34567]86-*-sysv5*) Likewise.
+ (i[34567]86-*-sysv4*) Likewise.
+ (i[34567]86-*-udk*) Likewise.
+ (i[34567]86-*-sysv*) Likewise.
+
+2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (U): New define, to correct type of string constants.
+ (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
+ routines, to do casts when passing unsigned strings to libc.
+ * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
+
+ * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
+ * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
+ * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
+ * cpplex.c (parse_ifdef, parse_include, validate_else): Make
+ second argument an U_CHAR *.
+
+ * cppinit.c (builtin_array): Make name and value U_CHAR *, add
+ length field, clean up initializer.
+ (ISTABLE): Add __extension__ to designated-
+ initializers version.
+ * cpplex.c (CHARTAB): Likewise.
+
+ * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
+ case so the file won't be empty.
+
+Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (struct reorder_block_def): Member succ removed.
+ (REORDER_BLOCK_SUCC): Removed.
+ (enum reorder_skip_type): Removed.
+ (skip_insns_between_block): Renamed to skip_insns_after_block.
+ Removed second argument. Removed dead code and cleaned up.
+ (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
+ (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
+ second parameter to skip_insns_after_block.
+
+Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (staticp, case LABEL_DECL): New case.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (start.encap): Do not depend on LIBGCC1.
+
+ * mklibgcc1.in: Fix typo last change.
+
+2000-05-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
+ (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
+ (GCC_CFLAGS): Use it.
+ (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
+ * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
+ objc/Make-lang.in: Use it.
+
+2000-05-03 Jason R Thorpe <thorpej@zembu.com>
+
+ * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
+ LIBGCC1 empty with libgcc1.null.
+
+Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
+
+ * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
+ change.
+
+2000-05-03 Greg McGary <gkm@gnu.org>
+
+ * tree.h (tree_common): Add bounded_flag member. Remove
+ inaccurate comment about number of remaining bits.
+ (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
+ BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
+ MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
+ TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
+ TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
+ (TYPE_QUAL_BOUNDED): New constant.
+ (TYPE_QUALS): Handle bounded qualifier.
+ (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
+ (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
+ TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
+ TYPE_AMBIENT_BOUNDEDNESS): New macros.
+ (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
+ (tree_type): Add pointer_depth member. Remove
+ inaccurate comment about number of remaining bits.
+ (DECL_POINTER_DEPTH): Add macro.
+ (tree_decl): Add pointer_depth member.
+
+Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.h (test_hard_reg_class): Declared.
+ * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
+ (lshrhi3_out): Likewise.
+ (ashrsi3_out): bugfix in shift by 8.
+ (test_hard_reg_class): New function.
+ * config/avr/avr.md: Bugfix inside conditions in peepholes.
+ (ashlhi3): removed define_expand of this pattern.
+ (*ashlhi3_insn): renamed to ashlhi3.
+ (ashlsi3): removed define_expand of this pattern.
+ (*ashlsi3_insn): renamed to ashlsi3.
+ (ashrqi3): removed define_expand of this pattern.
+ (*ashrqi3_insn): renamed to ashrqi3.
+ (ashrhi3): removed define_expand of this pattern.
+ (*ashrhi3_insn): renamed to ashrhi3.
+ (ashrsi3): removed define_expand of this pattern.
+ (*ashrsi3_insn): renamed to ashrsi3.
+ (lshrhi3): removed define_expand of this pattern.
+ (*lshrhi3_insn): renamed to lshrhi3.
+ (lshrsi3): removed define_expand of this pattern.
+ (*lshrsi3_insn): renamed to lshrsi3.
+
+2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
+ inclusion of "system.h".
+
+Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Add check for
+ TREE_ASM_WRITTEN.
+
+2000-05-03 David Mosberger <davidm@hpl.hp.com>
+
+ * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
+ if -mauto-pic is on.
+ (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
+ -mconstant-gp is in effect and function-descriptors are being used
+ to make indirect calls.
+ * config/ia64/ia64.h (MASK_CONST_GP): New macro.
+ (MASK_AUTO_PIC): Ditto.
+ (TARGET_CONST_GP): Ditto.
+ (TARGET_AUTO_PIC): Ditto.
+ (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
+ (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
+ -mno-pic is in effect.
+ (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
+ * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
+ -mauto-pic is in effect.
+ (gprel64_offset): New pattern.
+ (load_gprel64): Ditto.
+ (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
+ -mconstant-gp is in effect, no need to preserve gp around direct
+ calls.
+ (call_value): Ditto.
+ * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
+ (FUNCTION_PROFILER): Define.
+ * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
+ @fptr() directive when -mno-pic or -mauto-pic is in effect.
+ (ASM_OUTPUT_DESTRUCTOR): Ditto.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
+ (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
+ (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
+ (mklibgcc, libgcc.mk): New targets.
+ (libgcc.a): Use libgcc.mk.
+ (stmp-multilib): Likewise.
+ (stmp-multilib-sub): Remove.
+ (mostlyclean): Don't delete libgcc2 temp files.
+ * configure.in (AC_PROG_CC_C_O): Add.
+ (NO_MINUS_C_MINUS_O): Substitute it.
+ (all_outputs): Add mklibgcc.
+ * mklibgcc.in: New file.
+
+2000-05-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * cppexp.c (op_t): Make an int.
+
+ * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
+
+ * varasm.c (initializer_constant_valid_p): Fix parenthesis.
+
+ * gensupport.c (process_rtx): Fix macros used.
+
+2000-05-03 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
+ call-clobbered registers of a call.
+
+Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * gensupport.c: New file.
+ * gensupport.h: New file.
+ * Makefile.in (HOST_RTL): Depend on gensupport.
+ (gensupport.o) New rule.
+ * genattr.c: Use gensupport for reading .md files.
+ * genattrtab.c: Ditto.
+ * gencodes.c: Ditto.
+ * genconfig.c: Ditto.
+ * genemit.c: Ditto.
+ * genextract.c: Ditto.
+ * genflags.c: Ditto.
+ * genopinit.c: Ditto.
+ * genoutput.c: Ditto.
+ * genpeep.c: Ditto.
+ * genrecog.c: Ditto.
+ * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
+ * md.texi (Insn Splitting): Document define_insn_and_split.
+
+Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c (verify_flow_info): Added two more sanity checks. The
+ first checks that the blocks are numbered consecutively. The second
+ checks that n_basic_blocks is actually equal to the number of
+ basic blocks in the insn chain.
+
+2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h: Add accessor macros for token lists.
+ * cpplib.c, cpphash.c, cpplex.c: Use them.
+
+Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
+ memory usage if not in a function.
+ * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
+ return address if static.
+
+Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
+ whether address may trap.
+
+Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder (chain_reorder_blocks): Changed code to test for
+ EDGE_FALLTHRU rather than making erroneous assumption that the
+ first outgoing edge is the fall-through edge.
+
+Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
+
+ * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
+ ABI for varargs, across all MIPS. This is incompatible because the
+ va_list (__builtin_va_list) structure is different, so a compilation
+ unit passing a va_list and a compilation unit being passed one, should
+ both be compiled with the same ABI. (The old structure had two
+ pointers, now it has three.)
+
+Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (struct reorder_block_def): Remove members end,
+ block_begin, and block_end.
+ (REORDER_BLOCK_OLD_END): Delete.
+ (REORDER_BLOCK_BEGIN): Delete.
+ (REORDER_BLOCK_END): Delete.
+ (chain_reorder_blocks): Remove dead code.
+
+Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (remove_scope_notes): Check for both types of scope
+ notes as the end of a basic block before deleting.
+
+2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * final.c (final_start_function): Fix spelling of "necessary".
+
+2000-05-02 Jason Merrill <jason@casey.cygnus.com>
+
+ * toplev.c (debug_ignore_block): Return int.
+ * dwarf2out.c (dwarf2out_ignore_block): Likewise.
+ * toplev.h, dwarf2out.h: Adjust.
+ * emit-rtl.c (remove_unnecessary_notes): Test return value.
+
+ * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
+ * toplev.c, final.c, rtl.h: Adjust.
+
+2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
+ * configure.in: Look for makeinfo in the unified tree, then
+ for a system makeinfo which is sufficiently new.
+ * Makefile.in: If configure says makeinfo is too old, don't
+ build or install Info documentation.
+
+2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_params): Fix off-by-one error.
+ (dump_hash_helper): Dump all four macro nodetypes.
+
+2000-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ * cpphash.c (trad_stringify): Adjust p after stringification as
+ well.
+
+2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
+ (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
+
+ * cppfiles.c (file_cleanup): Delete.
+ * cpphash.c (macro_cleanup): Delete.
+ (collect_objlike_expansion, collect_funlike_expansion,
+ macarg, scan_arguments): Remove CPP_POP case.
+
+ * cpplex.c (null_cleanup): Delete.
+ (cpp_pop_buffer): Do the work that was done in the cleanups
+ here. Call _cpp_unwind_if_stack from here.
+ (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
+ cpp_scan_buffer): Run until we see CPP_EOF and the top of
+ stack is the buffer _below_ the one we stacked.
+ (cpp_get_token): Always pop an exhausted buffer. Return
+ CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
+ * cpplib.c (skip_if_group): Don't call cpp_get_token to
+ increment the line number.
+ (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
+
+ * fix-header.c (read_scan_file) [parsing getchar()]: Run until
+ we see CPP_EOF and the top of stack is the buffer _below_ the
+ one we stacked.
+ * scan-decls.c: Likewise.
+
+2000-05-02 Andrew Haley <aph@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
+ where this function is called for the second time on a decl that
+ has had its section info changed in such a way as to move it out
+ of small data/bss.
+ * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
+
+2000-05-01 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
+ the sequence we're moving, not to merge_bb->head.
+
+2000-05-01 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
+ reference to alpha/t-linux.
+ (alpha*-*-linux-gnu*): Likewise.
+ * configure: Rebuild.
+
+ * calls.c (expand_call): Don't emit reg notes for a sibcall.
+
+ * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
+ if not in SSA form.
+
+ * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
+
+2000-05-01 Jason Merrill <jason@casey.cygnus.com>
+
+ * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
+ TREE_THIS_VOLATILE.
+
+2000-05-01 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (noce_emit_cmove): Conditionally compile call to
+ emit_conditional_move.
+
+2000-05-01 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
+ as the dynamic linker.
+
+2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (open_include_file): Open file in blocking mode.
+ (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
+ Only exclude block devices and directories.
+
+ * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
+ static. Allocate the hashnode and its string in the same
+ block of memory.
+ (del_HASHNODE): Don't free h->name.
+ (_cpp_lookup): If there is no entry for this string, create
+ one, of type T_VOID.
+ (_cpp_lookup_slot): Delete.
+ * cpphash.h: Update prototypes.
+
+ * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
+ not hp == NULL.
+ * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
+ do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
+ node here, just fill in the value field properly. "Delete"
+ entries by setting the value field to T_VOID. Check for
+ hp->type == T_VOID, not hp == NULL.
+
+ * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
+ * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
+ hashtab.h.
+
+2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (print_operand_address): Do not add
+ zero to SP.
+
+ * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
+ adjusted by less than 256 bytes, use ret regardless of having any
+ callee-saved register to restore.
+
+2000-05-01 Laurynas Biveinis <lauras@softhome.net>
+
+ * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
+
+2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (INT_ASM_OP): Define.
+ (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
+ (ASM_WEAKEN_LABEL): Define.
+ (MASK_BNU210): Define.
+ (SUBTARGET_SWITCHES): Define.
+ (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
+ (MAKE_DECL_ONE_ONLY): Define.
+ (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
+
+2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (INT_ASM_OP): Define.
+
+Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (address_cost): renamed to avr_address_cost.
+ * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
+
+Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
+ __tmp_reg__ and __zero_reg__ initialization.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
+
+ * ifcvt.c (noce_process_if_block): Fail the conversion if X is
+ referenced bewteen the condition and the jump. Don't delete
+ anything but the jump.
+
+Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (scope_def): New struct.
+ (scope_forest_info): New struct.
+ (struct reorder_block_def): New member "scope".
+ (REORDER_BLOCK_SCOPE): New macro.
+ (relate_bbs_with_scopes): New function and prototype.
+ (make_new_scope): Likewise.
+ (build_scope_forest): Likewise.
+ (remove_scope_notes): Likewise.
+ (insert_intra_1): Likewise.
+ (insert_intra_bb_scope_notes): Likewise.
+ (insert_inter_bb_scope_notes): Likewise.
+ (rebuild_scope_notes): Likewise.
+ (free_scope_forest_1): Likewise.
+ (free_scope_forest): Likewise.
+ (dump_scope_forest): Likewise.
+ (dump_scope_forest_1): Likewise.
+ (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
+ Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
+ block.
+ (reorder_basic_blocks): Added calls to build_scope_scope_forest
+ and remove_scope_notes before reordering is done. Added calls to
+ rebuild_scope_notes, free_scope_forest, and reorder_blocks after
+ after reordering is done.
+
+2000-40-30 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def: Added definitions needed by OSR5,
+ removed two stale entries (defined away with OLD_CPP).
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
+ from the last insn in the sequence.
+
+2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (cpp_idcmp): New function.
+ * cpplib.h: Prototype it.
+ * scan_decls.c (scan_decls): Use it to inspect token names.
+ * fix-header.c (read_scan_file): Likewise. Set system_header_p on
+ the file being run through the preprocessor.
+ (check_macro_names): Provide length of token to cpp_defined.
+
+ * Makefile.in: Remove stale warning message.
+
+ * cppfiles.c (redundant_include_p): Provide length of token to
+ cpp_defined.
+ * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
+ values are unsigned int.
+ (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
+ (_cpp_lookup_slot): Do not calculate the hash, either.
+ * cpphash.h: Update prototypes.
+ * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
+ Hashes are unsigned int. Calculate hash here, pass by value
+ to _cpp_lookup_slot.
+
+2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * simplify-rtx.c (check_value_useless): Delete function.
+ (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
+ by hand.
+ (cselib_invalidate_regno): Likewise.
+ (cselib_invalidate_mem_1): Likewise.
+ (references_value_p): Recognize useless values by the fact that they
+ have no locations.
+ (discard_useless_values): Likewise.
+ (cselib_record_set): This may turn a useless value
+ into a useful one.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * config/d30v: New port.
+
+ * configure.in (d30v-*): Set fp format.
+ * configure: Rebuild.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * ifcvt.c: New file.
+ * Makefile.in (OBJS): Add it.
+ (ifcvt.o): New target.
+ * jump.c (jump_optimize_1): Remove all code related to if-conversion,
+ and conditional arithmetic.
+ (find_insert_position): Remove.
+ * timevar.def (TV_IFCVT, TV_IFCVT2): New.
+ * toplev.c (DFI_ce, DFI_ce2): New.
+ (dump_file): Add ce and ce2 dumps.
+ (rest_of_compilation): Run if_convert a couple o times. Set
+ cse_not_expected after cse2. Don't set no_new_pseudos until
+ after sched1 or recompute_reg_usage.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
+ (crtend.o, crtbeginS.o, crtendS.o): Likewise.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (struct reg_cond_life_info): New.
+ (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
+ (init_propagate_block_info): Initialize them.
+ (free_propagate_block_info): Destruct them.
+ (mark_set_1): Consider conditional life before killing a register.
+ (mark_regno_cond_dead): New.
+ (free_reg_cond_life_info): New.
+ (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
+ (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
+ (mark_used_reg): Record conditional life.
+
+ * haifa-sched.c (schedule_insns): Disable death counting
+ sanity check for HAVE_conditional_execution.
+
+2000-04-30 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (TIMEVAR_H): New.
+ (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
+ (timevar.h): Remove rule.
+
+2000-04-29 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/crtend.asm: Use C comments instead of #.
+ * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
+
+ * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
+
+2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (enum node_type: Take out T_MCONST.
+ (union hashval): Move into struct hashnode.
+ (struct hashnode): Pack tighter. Remove file, line, col
+ members.
+ * cpphash.c: Constify most of the macro-definition structures.
+ (struct definition): Replace by struct object_defn
+ and struct funct_defn. Put file, line, column information
+ here. All users updated to match.
+ (_cpp_create_definition, _cpp_macroexpand): Remove special
+ case for #define WORD OTHERWORD.
+ * cpplib.c (do_undef): Remove T_MCONST case.
+
+ * cpphash.h: Move struct reflist, struct definition, and the
+ DEFINITION typedef to cpphash.c. Use 'struct definition *' in
+ union hashval. _cpp_free_definition takes a HASHNODE pointer.
+ * cpphash.c (_cpp_free_definition): Free data pointed to by
+ MCONST, XCONST, MACRO, and FMACRO nodes properly.
+ (_cpp_create_definition, del_HASHNODE): Just call
+ _cpp_free_definition to clear out a hashnode.
+ * cpplib.c (do_pragma_poison): Likewise.
+
+Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
+ LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
+ FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
+ (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
+ (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
+ REGNO_AM33_P): Redefine in terms of the new macros.
+ (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
+ (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
+ STRUCT_VALUE): Likewise.
+ (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
+ ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
+
+Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * regmove.c (struct record_stack_memrefs_data): New.
+ (record_stack_memrefs): New function.
+ (combine_stack_adjustments_for_block): Use it.
+
+Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (calls_function_1): Properly handle TREE_LIST expressions;
+ use special_function_p to detect alloca.
+
+Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
+
+ * gcc.texi: Fixes for makeinfo 4.0 --html.
+
+2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * pcp.h: Delete file.
+
+2000-04-28 Kazu Hirata <kazu@hxi.com>
+
+ * h8300.c (function_epilogue): Clean up flags when the last insn
+ in a function is a barrier.
+
+2000-04-28 Chris Demetriou <cgd@sibyte.com>
+
+ * configure.in (sparc-hal-solaris2*): protect [] glob from
+ my expansion.
+ (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
+ rather than hard-coded constants in target_cpu_default2.
+ * configure: Regenerate.
+
+2000-04-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * tree.c (get_callee_fndecl): Extract the initial value from
+ a readonly decl.
+
+2000-04-28 Richard Henderson <rth@cygnus.com>
+
+ * varasm.c (record_constant_1): Record the CODE_LABEL when
+ taking the address of a LABEL_REF.
+
+2000-04-28 Richard Henderson <rth@cygnus.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): Return the
+ adjustment; don't do the stack adjust.
+ (expand_call): Call compute_argument_block_size right before
+ allocating the block; update comment; don't do alignment sanity
+ checking for sibling call; use args_size instead of
+ unadjusted_args_size before args_size is adjusted. Use
+ combine_pending_stack_adjustment_and_call to compute stack adjust
+ for must_preallocate case.
+
+ * expr.c (push_block): Remove shadow `temp' in inner scope.
+
+2000-04-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * toplev.c (rest_of_compilation): Call
+ note_deferral_of_defined_inline_function even if the function
+ can't be inlined.
+
+2000-04-28 Scott Bambrough <scottb@netwinder.org>
+
+ * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
+
+2000-04-28 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
+
+2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * timevar.c (init_timevar): DeANSIfy function definition.
+
+2000-04-27 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (timevar.o): Depend on flags.h.
+ * timevar.c (unused_stack_instances): New variable.
+ (timevar_push): Take a timevar_stack_def from
+ unused_stack_instances if available.
+ (timevar_pop): Push the popped timevar_stack_def onto
+ unused_stack_instances.
+ (TIMEVAR_ENABLE): New macro.
+ (timevar_def): Make standalone a 1-bit field. Add field used.
+ (get_time): Rename parameter to now. Return after clearing it if
+ not TIMEVAR_ENABLE.
+ (init_timevar): Do nothing if not TIMEVAR_ENABLE.
+ (timevar_pop): Likewise.
+ (timevar_stop): Likewise.
+ (timevar_push): Likewise. Mark the timing variable as used.
+ (timevar_start): Likewise.
+ (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
+ timevars that were never used.
+
+2000-04-27 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
+ always TREE_READONLY.
+
+2000-04-27 Ulrich Drepper <drepper@cygnus.com>
+
+ * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
+ for call instruction with mode QImode.
+
+2000-04-27 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (OBJS): Add timevar.o.
+ (toplev.o): Depend on timevar.h.
+ (ggc-simple.o): Likewise.
+ (ggc-page.o): Likewise.
+ (timevar.o): New rule.
+ (timevar.h): New rule.
+
+ * timevar.h: New file.
+ * timevar.c: Likewise.
+ * timevar.def: Likewise.
+
+ * toplev.h (gc_time, parse_time, varconst_time): Remove.
+ * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
+ throughout.
+ (TIMEVAR): Remove macro.
+ (gc_time, parse_time, varconst_time, integration_time, jump_time,
+ cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
+ flow_time, combine_time, regmove_time, sched_time,
+ local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
+ sched2_time, dbr_sched_time, reorder_blocks_time,
+ rename_registers_time, shorten_branch_time, stack_reg_time,
+ to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
+ all_time): Remove.
+ (compile_file): Don't initialize time variables. Call
+ init_timevar and start TV_TOTAL timer. Call timevar_print instead
+ of many calls to print_time.
+ (rest_of_compilation): Add timing for reload_cse_regs.
+ (get_run_time): Removed to timevar.c.
+ (print_time): Likewise.
+ (get_run_time): Implement using TV_TOTAL time variable.
+ (print_time): Get total run time from get_run_time.
+ * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
+ computing elapsed time explicitly.
+ * ggc-simple.c (ggc_collect): Likewise.
+ (gc_time): Remove declaration.
+
+2000-04-27 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (combine_pending_stack_adjustment_and_call): New function.
+ (expand_call): Use it.
+
+2000-04-27 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
+ fields.
+
+Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
+ registers.
+
+Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * function.c (epilogue_done): Pass whole insn to record_insns.
+
+Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (CSE_ADDRESS_COST): Remove.
+ (find_best_addr): Add new parameter "MODE", use address_cost instead
+ of CSE_ADDRESS_COST
+ (address_cost): New.
+ (fold_rtx): Update call of find_best_addr.
+ * rtl.h (address_cost): Declare.
+ * loop.c (general_induction_var): Add new parameter "MODE", use
+ address_cost instead of ADDRESS_COST
+ (init_loop): Use address_cost instead of ADDRESS_COST.
+ (check_insn_for_givs): Update call of general_induction_var.
+ (find_mem_givs): Likewise.
+ (consec_sets_giv): Likewise.
+ * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
+ * i386.c (ix86_address_cost): New.
+ * i386-protos.h (ix86_address_cost): Declare.
+
+Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
+ registers.
+
+Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (store_expr): Use clear_storage instead of direct memset
+ libcall.
+
+Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.c (mn10300_address_cost): Test
+ ASHIFT, AND and LABEL_REF.
+
+Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * invoke.texi (-foptimize-sibling-calls): Fix.
+
+Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (load_mems) Don't use hard registers for the hoisting.
+
+ * unroll.c (unroll_loop): Avoid overflow in the n_iterations
+ calculation; rename const_equiv array in the preconditioning code
+ from loop_unroll to loop_unroll_precondition
+
+2000-04-27 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (struct propagate_block_info): Remove new_dead, new_live;
+ add new_set.
+ (propagate_one_insn): Clear it. Don't update reg_live here.
+ (init_propagate_block_info): Update for pbi member changes.
+ (free_propagate_block_info): Likewise.
+ (mark_set_1): Know that zero_extract, sign_extract, and
+ strict_low_part don't kill their argument. Alter hard subregs.
+ Update new_set for non-CLOBBER sets. Update reg_live.
+ (find_auto_inc): Update reg_live, not new_dead.
+ (mark_used_reg): Update reg_live, not new_live. Examine new_set
+ to determine if the reg in question was set this insn. Only update
+ reg info with PROP_REG_INFO.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (allocate_reg_life_data): Set max_regno here ...
+ (life_analysis): ... not here.
+
+ * flow.c (calculate_global_regs_live): Force stack pointer
+ live at end.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
+ commit change group changes.
+ (invert_exp_1): Similarly.
+ (redirect_exp, invert_exp): Use them.
+ (redirect_jump_1): New.
+ (invert_jump_1): New.
+ (jump_optimize_1): Remove code subsumed by condexec.c.
+ * rtl.h (invert_jump_1, redirect_jump_1): Declare.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
+
+ * genconfig.c (main): Set all HAVE_foo to 1.
+
+ * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
+
+2000-04-26 Alex Samuel <samuel@codesourcery.com>
+
+ * invoke.texi: Document -fssa flag.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (count_reg_sets_1): Remove.
+ (count_reg_sets, count_reg_references): Remove.
+ (recompute_reg_usage): Implement with update_life_info.
+ Reallocate life data.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (update_life_info): Consider blocks null to mean the
+ universal set.
+ (calculate_global_regs_live): Likewise.
+ (life_analysis): Do that instead of collecting all_blocks.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
+ a still-valid conditional jump.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
+
+ * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
+ * flow.c (calculate_loop_depth): Remove.
+ * output.h (calculate_loop_depth): Don't declare.
+ * toplev.c (rest_of_compilation): Expand calculate_loop_depth
+ inline; run estimate_probability at the same time.
+
+2000-04-26 Neil Booth <NeilB@earthling.net>
+
+ * cpplib.h: "~=" is not a single pp-token.
+ * cpplex.c: Correct commentary.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): New arguments code and flags; update all
+ callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
+ test in one place. Tidy flags tests. Don't bias REG_N_REFS by
+ loop_depth when optimizing for size. Do new_dead update after
+ emitting REG_UNUSED notes. Merge mark_set_reg code.
+ (mark_set_reg): Remove.
+ (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
+ arrange to not emit REG_UNUSED notes.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
+ * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_one_insn): Break out from propagate_block.
+ (init_propagate_block_info): Likewise.
+ (free_propagate_block_info): Likewise.
+ (propagate_block): Use them. Export.
+ * basic-block.h: Declare them all.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (life_analysis): Declare here ...
+ * output.h: ... not here.
+ * flow.c (life_analysis): Remove nregs parameter; replace
+ remove_dead_code with flags. Remove ssa dead code check.
+ Only init alias analysis if we'll use it.
+ * reg-stack.c (reg_to_stack): Update life_analysis arguments.
+ * ssa.c (convert_to_ssa): Likewise.
+ (convert_from_ssa): Likewise.
+ * toplev.c (rest_of_compilation): Likewise.
+
+2000-04-26 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (flow_delete_block): Rename from delete_block. Export.
+ * basic-block.h (flow_delete_block): Declare.
+
+2000-04-26 David S. Miller <davem@redhat.com>
+
+ * optabs.c (emit_libcall_block): Verify insns with INSN_P before
+ taking a PATTERN of it.
+
+2000-04-26 <NeilB@earthling.net>
+
+ * cpplex.c (spell_other, spell_char): Remove.
+ (SPELL_CHAR): New.
+ (token_spelling, trigraph_map): Use unsigned chars.
+ (_cpp_lex_line): Tidy up the switch statement.
+ * cpplib.h: Implement spell_char with spell_string.
+ (C): New.
+
+2000-04-26 <RodneyBrown@pmsc.com>
+
+ * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
+ * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
+
+2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
+ reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
+ dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
+ dwarf2out_return_save, dwarf2out_return_reg,
+ dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
+ add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
+ gen_compile_unit_die, dwarf2out_init): Constify a char*.
+
+ * dwarf2out.h (dwarf2out_init): Likewise.
+
+ * dwarfout.c (filename_entry, primary_filename, last_filename,
+ type_tag, output_compile_unit_die, dwarfout_init): Likewise.
+
+ * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
+ dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
+ dwarf2out_return_reg): Likewise.
+
+2000-04-26 Andreas Jaeger <aj@suse.de>
+
+ * extend.texi (Function Attributes): Fix description of pure
+ attribute.
+
+2000-04-26 Jason Merrill <jason@casey.cygnus.com>
+
+ * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
+ before calling rest_of_compilation.
+
+2000-04-26 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
+ last patch.
+
+2000-04-25 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (cse_insn): Emit barrier after unconditional jump.
+
+ * calls.c (expand_call): Disable tail call generation once
+ rtx_equal_function_value_matters is false.
+
+ * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
+ like EDGE_EH edges.
+
+2000-04-25 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
+
+ * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
+
+ * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
+ is the primary DIE for a member function.
+ (gen_decl_die): Call set_decl_origin_self here.
+ * dwarfout.c (output_decl): And here.
+ * integrate.c (output_inline_function): Not here.
+ Don't clear DECL_INLINE until after calling rest_of_compilation.
+ (set_decl_origin_self): No longer static.
+ * tree.h: Add prototype.
+ * toplev.c (note_deferral_of_defined_inline_function): Only write
+ out abstract instance for actual inlines.
+
+2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
+ EXTENDED_REGS only if TARGET_AM33.
+ * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
+ SP_REGS to register allocation and reloading unless absolutely
+ necessary.
+ (movsi3): Remove special-case of adding non-constants to SP.
+
+2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
+ INCLUDES to search and does not provide any of its own. Also it
+ now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
+ parameters. Also it does not call AC_DEFINE.
+ (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
+ AC_DEFINE and provides for automatic entries for autoheader.
+ (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
+
+ * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
+ so we can pass -I flags and include gansidecl.h/system.h in this
+ test.
+
+ * acconfig.h: Delete all NEED_DECLARATION_* entries.
+
+2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
+ ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
+ ENABLE_GC_ALWAYS_COLLECT): Delete entries.
+
+ * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
+ ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
+ ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
+ for these macros. Clean up spacing and linewraps.
+
+2000-04-26 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (expand_call): Use get_callee_fndecl.
+
+ * print-tree.c (print_node): Print the chain of an _EXPR.
+
+Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
+ Jim Wilson <wilson@cygnus.com>
+ Andrew Haley <aph@cygnus.com>
+
+ * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
+ and gp save/restore problems.
+ * config/ia64/crtend.asm: Add IA-64 unwind support.
+ * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
+ in fr_pad_size calculation.
+ (save_restore_insns): Move PR save area. Correct uses of
+ RTX_FRAME_RELATED_P.
+ (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
+ (ia64_expand_epilogue): Add eh_epilogue support.
+ (ia64_function_prologue): Emit .prologue directive.
+ (ia64_init_machine_status, ia64_mark_machine_status): New functions.
+ (ia64_override_options): Set init_machine_status and
+ mark_machine_status.
+ (rtx_needs_barrier): Handle bsp reads and writes.
+ (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
+ New static variables.
+ (process_set, process_for_unwind_directive): New functions.
+ * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
+ ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
+ ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
+ macros.
+ (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
+ (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
+ (struct machine_function): Define.
+ * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
+
+2000-04-25 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/Makefile.in: make the removal of old programs more
+ robust
+ * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
+ install-bin and install-sh
+
+2000-04-25 Nick Clifton <nickc@cygnus.com>
+
+ * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
+ defined, define to return zero.
+ (function_cannot_inline_p): If a function has any target
+ specific attributes, then use the macro
+ FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
+ whether it can be inlined. If it cannot, issue a suitable
+ explanation.
+
+ * tm.texi: Add a new node 'Inlining' to document the new macro
+ FUNCTION_ATTRIBUTE_INLINABLE_P.
+
+2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
+ commentary.
+
+2000-04-25 Neil Booth <NeilB@earthling.net>
+
+ Restore previous patch, plus the following fixes:
+
+ * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
+ flags, not CPP_OPEN_PAREN.
+ * cpplex.c (expand_token_space, init_token_list,
+ cpp_free_token_list): Put the dummy token at list->tokens[-1].
+ (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
+
+Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/i386/freebsd.h (INT_ASM_OP): Define.
+
+Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (strength_reduce): Fix typo in the last checkin.
+
+Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (finalize_record_size): Simplify to use existing
+ functions.
+ (compute_record_mode): No longer static.
+ * tree.h (compute_record_mode): New declaration.
+
+2000-04-25 Neil Booth <NeilB@earthling.net>
+
+ * Revert my patch below until cause of build failures
+ determined.
+
+2000-04-25 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (combine_instructions): Add missing argument
+ to try_combine.
+
+ * toplev.c (rest_of_compilation): Delay sibcall optimization
+ until after emit_eh_context.
+
+2000-04-24 Nick Clifton <nickc@redhat.com>
+
+ * combine.c (combine_instructions): Do not try to combine a
+ sequence of insns when the second insn has been replaced by a
+ note.
+
+Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gcc.c (load_specs): New static function.
+ (read_specs): Use it.
+
+ * gcc.c (lookup_compiler): Make multiple passes for case
+ insensitive filesystems.
+
+2000-04-24 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
+ * cpphash.h (_cpp_check_directive): new.
+ * cpplex.c (handle_newline, cpp_free_token_list,
+ init_trigraph_map, trigraph_ok, trigraph_replace,
+ backslash_start, skip_block_comment, skip_line_comment,
+ skip_whitespace, parse_name, parse_number, parse_string,
+ copy_comment, _cpp_lex_line, spell_char, spell_string,
+ spell_comment, spell_name, spell_other, _cpp_lex_file,
+ _cpp_output_list): new.
+ (expand_name_space): take length argument.
+ (init_token_list): add comment list initialisation.
+ (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
+ instead of HSPACE_BEFORE.
+
+ * cpplib.c (_cpp_check_directive): new
+ * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
+ DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
+ (HSPACE_BEFORE): delete.
+ (TTYPE_TABLE): rearrange.
+ (struct cpp_toklist): update.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
+ gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
+ argument form of AC_DEFINE.
+
+ * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
+ HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
+ WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
+ HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
+ HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
+
+ * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
+ deduced.h): Use -isystem, not -I, for including system headers.
+
+2000-04-24 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.md (addsi3): Do not use small add instruction if
+ the source register is the frame pointer or arg pointer.
+ (addsi3_small_int): Disallow if source register is the frame
+ pointer or arg pointer.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
+ call to AC_MSG_RESULT.
+
+2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi: Correct grammatical errors, document
+ -fno-gnu-keywords as identical to -fno-asm for C++.
+
+2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
+ GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
+ GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
+ AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
+ EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
+
+ * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
+ GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
+ GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
+ GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
+ new macros names.
+
+2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
+ (pop_alignment): Likewise.
+ (handle_pragma_token): Likewise.
+
+2000-04-24 Robert Lipe <robertlipe@usa.net>
+
+ * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
+
+2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
+
+ * combine.c (try_combine): Update reg_nonzero_bits of
+ newi2pat before newpat.
+
+Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (strength_reduce): Simplify test to INSN_P.
+ (record_giv): Attempt to simplify the add value, use CONSTANT_P
+ expressions instead of CONST_INT.
+ (express_from_1): Likewise.
+
+2000-04-24 Mark Mitchell <mark@codesourcery.com>
+
+ * regs.h (reg_n_max): Don't declare.
+ * flow.c (reg_n_max): Don't define.
+ * regclass.c (renumber): Don't initialize to zero.
+ (regno_allocated): Likewise.
+ (reg_n_max): Define.
+ (allocate_reg_info): Don't initialize unnecessarily.
+
+Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
+
+ * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
+ and blockage_p in the newly allocated attribute.
+
+Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (addsi): `inc4' on address
+ registers does not modify cc, but `inc' on an extended
+ register does.
+
+Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
+
+ * reload.c (find_equiv_reg): Checks all valueno regs
+ as a reload_reg_p regs.
+
+2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_objlike_expansion): Add sanity check.
+ (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
+ the buffer is the empty string, return. Mark __DATE__ and
+ __TIME__ as XCONST nodes, not MCONST.
+ (_cpp_macroexpand): Avoid pushing an empty buffer.
+ (funlike_macroexpand): Don't pop token_buffer here.
+
+Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
+ (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
+ (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
+ (REGNO_OK_FOR_BASE_P): Define in terms of them.
+ (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
+ (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
+ (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
+
+Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (simplify_giv_expr): Be more agressive on simplifying
+ constant MULT givs.
+
+2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.h (struct definition): Move file, line, col members...
+ (struct hashnode): ... here. Also add 'disabled' flag.
+ (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
+ T_IDENTITY. Remove T_DISABLED.
+ Update prototypes.
+
+ * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
+ (collect_expansion): Split into collect_objlike_expansion and
+ collect_funlike_expansion.
+ (_cpp_macroexpand): Split out scan_arguments, stringify, and
+ funlike_macroexpand.
+ (_cpp_compare_defs): Rename compare_defs, make static.
+ (_cpp_make_hashnode): Initialize hp->disabled.
+ (macro_cleanup): Adjust for new token types. Clear
+ m->disabled.
+ (_cpp_create_definition): Move code here to determine what
+ sort of macro it is, and code to check for redefinitions, from
+ do_define. Implement a few simple cases without creating a
+ full DEFINITION.
+ (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
+ Handle the simple cases.
+ (push_macro_expansion): Set buf->has_escapes and hp->disabled
+ here.
+
+ * cppinit.c (builtin_array): Change MCONST to XCONST
+ everywhere.
+ * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
+ fix check for disabled and function-like macros.
+ * cpplib.c (do_define): Move most logic to
+ _cpp_create_definition.
+ (do_undef): Handle new special token types.
+
+Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
+ of CONSTANT_P for mult_val; always use validate_change to update insn.
+
+2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (trad_stringify, add_pat): New functions.
+ (collect_expansion): Restore support for -traditional syntax.
+ Use trad_stringify and add_pat.
+ (_cpp_macroexpand): Restore support for -traditional semantics.
+ * cpplex.c (_cpp_scan_line): Don't change space_before if we
+ get a COMMENT token.
+ (_cpp_lex_token): Provide COMMENT tokens to caller if
+ traditional and parsing_define_directive.
+ (skip_comment): Warn about // comments if -Wtraditional.
+ * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
+ proper node type.
+ (do_undef): Don't warn about undefining EMPTY nodes.
+
+Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (strength_reduce): Fix biv removal code.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * predict.c (estimate_probability): Examine both sides of
+ a branch for no exits. Use 90% not 50% for predict taken.
+ Reorg for one copy of note generation code.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * diagnostic.c (init_output_buffer): Don't initialize format_args.
+ (output_clear): Likewise.
+ (output_printf): Use va_copy.
+ (vline_wrapper_message_with_location): Likewise.
+ (v_message_with_decl): Likewise.
+ (line_wrapper_printf): VA_START infor buffer.format_args directly.
+ * system.h (va_copy): Provide default implementation.
+
+2000-04-22 Richard Henderson <rth@cygnus.com>
+
+ * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
+ the collected condition is not a constant.
+
+2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h: New file.
+
+ * Makefile.in (diagnostic.o): Depends on diagnostic.h
+
+ * diagnostic.c: Tweak. Rationalize the output logic. Adjust
+ various function prototypes.
+ (diagnostic.h): #include.
+ (struct output_buffer): Move into diagnostic.h.
+ (get_output_prefix): Rename to output_get_prefix. Export.
+ (init_output_buffer): Export. Break out. Adjust initialization.
+ (output_space_left, output_append): Export.
+ (output_newline): Rename to output_add_newline. Export.
+ (output_clear): Nullify additional output_buffer fields.
+ (output_puts): Rename to output_add_string. Export.
+ (dump_output): Rename to output_flush_on. Export.
+ (build_location_prefix): Constify return-type.
+ (emit_output_prefix): Rename to output_emit_prefix. Export.
+ (set_real_maximum_length): New function.
+ (output_set_maximum_length): Ditto
+ (output_clear): Ditto.
+ (output_add_character): Ditto.
+ (output_add_integer): Ditto.
+ (output_add_space): Ditto.
+ (output_format): Ditto.
+ (output_printf): Adjust buffer initialization.
+ (vline_wrapper_message_with_location): Ditto.
+ (v_message_with_decl): Ditto. Adjust call to output_puts
+ and get_output_prefix.
+ (default_print_error_function): Adjust buffer initialization.
+
+Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
+ of VOID_TYPE.
+
+Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
+ of explicit 0.
+
+Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
+ accurate data about SP moves.
+
+Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
+ aliases to AM33 registers.
+
+Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
+ to all EXTENDED bitmaps.
+
+Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
+ * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
+ * config/mn10300/mn10300.c (mn10300_address_cost): New function.
+
+Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
+
+ * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
+ the operand is not constant.
+
+Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
+
+ * reload.c (find_equiv_reg): Checks all valueno and regno regs
+ as a call-clobbered regs.
+
+Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
+ * rtl.h: Likewise.
+ * rtl.def: Update comment.
+ * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
+ * integrate.c (expand_inline_function): Likewise.
+ * profile.c (branch_prob): Likewise.
+ * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
+ * print-rtl.c (print_rtx): Likewise.
+ * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
+ (reemit_notes): Likewise; also use enum insn_note.
+
+ * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
+ (place_field): Properly compute know and actual alignment.
+
+ * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
+ in proper format.
+
+ * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
+ note for REG1.
+
+2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (struct arg, struct arglist): Const-ify strings.
+ (warn_trad_stringify, duplicate_arg_p): New helper functions.
+ (collect_expansion): Rewrite to scan over a token list.
+ Remove -traditional support.
+ (collect_formal_parameters): Rename to collect_params; rewrite
+ to scan over a token list.
+ (_cpp_create_definition): Adjust to scan a token list.
+ (_cpp_macroexpand): Remove -traditional support.
+ (_cpp_compare_defs): Whitespace is now canonicalized.
+ (comp_def_part): Delete function.
+
+ * cpphash.h: Update prototypes.
+ * cpplex.c (init_token_list): Don't set lineno if there is no
+ buffer.
+ (pedantic_whitespace): New function.
+ (_cpp_scan_line): Mark tokens that had hspace before. Don't
+ consume a newline. Use pedantic_whitespace.
+ (_cpp_lex_token): Remove support for -traditional macros.
+ (_cpp_get_define_token): Delete.
+ (_cpp_get_directive_token): Do the real work here. Use
+ pedantic_whitespace.
+ (_cpp_init_input_buffer): Initialize pfile->directbuf.
+
+ * cpplib.c (get_macro_name): Delete.
+ (do_define): Read the entire line into pfile->directbuf, then
+ feed the token list to _cpp_create_definition.
+ * cpplib.h (HSPACE_BEFORE): new define.
+ (struct cpp_reader): Add a toklist member, "directbuf".
+
+ * predict.c (estimate_probability): New heuristic: if a jump
+ branches around a block with no successors, predict it taken.
+ Disentangle control flow.
+
+2000-04-20 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (emit_iv_add_mult): Revert last change.
+
+2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (enum cpp_ttype): Add token types for all
+ punctuators. Distinguish pp-numbers from valid C numbers.
+ Give some tokens better names. Initialize from macro.
+ (struct cpp_name, cpp_token, cpp_toklist): New data
+ structures.
+ Update prototypes.
+ * cpplex.c (bump_column, expand_name_space,
+ expand_token_space, init_token_list, cpp_output_list,
+ _cpp_scan_line): New functions.
+ (output_line_command): Add third argument, new line number.
+ * cpphash.h: Update prototypes.
+ * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
+ token names.
+
+2000-04-20 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
+
+2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
+ object pointed to.
+
+Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (emit_iv_add_mult): Simplify it's input and emit
+ REG_EQUAL note explaining the calculated value.
+
+ * calls.c (expand_call): Avoid unnecesary precalculation
+ and outgoing parameters space guarding for sibling calls.
+ (store_one_arg): Likewise.
+
+Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
+ (rest_of_compilation): Write sibling dump file and account
+ for time as jump time.
+ * invoke.texi: Update documentation on dump flags.
+
+2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
+
+2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (special_symbol): Represent an empty macro with
+ "\r \r " not just "\r ".
+ (_cpp_macroexpand): Correct condition for the foo ( ) special
+ case.
+ (unsafe_chars): Handle EOF as second argument.
+ (push_macro_expansion): Simplify test for removing escape at
+ end. Do not trim both escapes if there is no text in between.
+
+2000-04-19 Jim Blandy <jimb@redhat.com>
+
+ * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
+ of PTR_SIZE, when appropriate.
+
+2000-04-19 Mark Mitchell <mark@codesourcery.com>
+
+ * system.h (ONLY_INT_FIELDS): Make sure it is defined.
+ (USE_ENUM_BITFIELDS): Fix typo.
+
+Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (place_field): Set rli->offset_align properly.
+
+2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
+ INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
+ PARM_BOUNDARY): Remove unnecessary casts.
+
+Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (precompute_arguments): Remove must_preallocate and
+ args_size calls.
+ (expand_call): Update call of precompute_arguments.
+
+ * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
+ check_insn_for_givs): Break out from ...
+ (strength_reduce) ... here; use for_every_insn_in_loop to call
+ check_insn_for_givs.
+ * loop.h (for_every_insn_in_loop): Declare.
+ (loop_insn_callback): New type.
+
+2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_pragma_poison): Strings in the token buffer are
+ not nul-terminated.
+
+Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
+ flag_pic and RELOC.
+
+2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
+
+ * configure.in: Delete --disable-cpplib option and all
+ references to cpp_main.
+ * configure: Regenerate.
+ * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
+ @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
+ cccp.o, cccp, or cppmain. Link cppmain.o straight to
+ cpp$(exeext). Add --no-headers to makeinfo command line when
+ generating INSTALL. Install and uninstall cpp.1 manpage, not
+ cccp.1.
+ * install.texi: Delete all references to cexp.y/cexp.c.
+ Delete ancient instructions for compiling GCC on 3b1.
+ * INSTALL: Regenerate.
+
+ * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
+ mips/t-elf, mips/t-r3900: Remove references to cccp.c.
+ * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
+ cexp.c/cexp.y.
+ * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
+ which is no longer tested anywhere.
+
+ * cppinit.c (handle_option): Don't run error message through
+ gettext twice.
+
+Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
+ * cpperror.c (hashtab.h): Now include.
+ * cppexp.c (hashtab.h): Likewise.
+ * cpplex.c (hashtab.h): Likewise.
+ * cppfiles.c (hashtab.h): Likewise.
+ (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
+ to htab_find_slot_with_hash.
+ * cpphash.c (hashtab.h): Now include.
+ (_cpp_lookup_slot): INSERT is now enum insert_option.
+ * cpphash.h (_cpp_lookup_slot): Likewise.
+ * cppinit.c (hashtab.h): Include earlier.
+ (initialize_builtins): Pass enum to htab_find_slot.
+ * cpplib.c (hashtab.h): Now include.
+ (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
+ (do_pragma_poison, do_assert): Likewise.
+ * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
+ htab_find_slot_with_hash.
+ * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
+ * tree.c (type_hash_add): Likewise.
+ (build1): Minor cleanup.
+
+ * ggc-common.c: Add missing blanks.
+ * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
+ * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
+
+ * stmt.c (mark_case_node): New function.
+ (mark_case_nesting): Call it.
+
+ * expmed.c (emit_store_flag): If comparing two-word integer
+ with zero, can optimize NE, EQ, GE, and LT.
+
+ * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
+ * conflict.c: Minor cleanups.
+ * optabs.c: Add blank line
+ * simplify-rtx.c: Minor cleanups.
+
+2000-04-18 Stan Cox <scox@cygnus.com>
+
+ * gengenrtl.c (genlegend): Fix misspelling.
+
+2000-04-18 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
+ bitfields of the host compiler are not signed quantities.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * system.h (USE_ENUM_BITFIELDS): Added.
+ (ENUM_BITFIELDS): Added.
+ * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
+ (SHORT_ENUM_BUG): Deleted.
+ * tree.h (tree_common): Members `code', `mode', `built_in_class',
+ now ENUM_BITFIELD.
+ * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
+ (CODE_FIELD_BUG): Likewise.
+ * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
+ (OLD_CC): Likewise.
+ * config/m68k/x-ccur (X_CFLAGS): Likewise.
+
+2000-04-18 Mark Mitchell <mark@codesourcery.com>
+
+ * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
+ mark is active.
+
+2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c (lex): Don't assume tokens are NUL terminated.
+ * cpplib.c (do_include, do_import, do_include_next,
+ read_line_number, detect_if_not_defined): Likewise.
+ * cpphash.c (collect_expansion): Likewise.
+ (special_symbol, _cpp_macroexpand): Check return from
+ cpp_file_buffer.
+ * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
+ macros. Delete all uses.
+
+ * gcc.dg/cpp-mi.c: Add two more test cases.
+ * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
+
+2000-04-17 Richard Henderson <rth@cygnus.com>
+
+ * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
+ (reorder_basic_blocks): If no epilogue in rtl, force last block last.
+
+2000-04-17 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (expand_function_start): Use hard_function_value to
+ compute the RTL to use for DECL_RESULT.
+
+Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
+ (x86_integer_DFmode_moves, x86_partial_reg_dependency,
+ x86_memory_mismatch_stall): New global variables.
+ (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
+ alloved; fix load penalties for Athlon.
+ * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
+ x86_memory_mismatch_stall): Declare.
+ (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
+ TARGET_MEMORY_MISMATCH_STALL): New.
+ * i386.md (athlon scheduling parameters): Fix latencies according to
+ Athlon Optimization Manual.
+ (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
+ vector.
+ (fsqrt instruction patterns): Set athlon_decode to direct.
+ (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
+ PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
+ (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
+ and TARGET_PARTIAL_REGISTER_STALL machines.
+ (pushdf_nointeger): New pattern.
+ (pushdf_integer): Rename from pushdf.
+ (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
+ (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
+
+2000-04-17 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (canonicalize_condition): Add WANT_REG argument.
+ Stop the search if we match it.
+ * expr.h (canonicalize_condition): Update decl.
+ * predict.c (expected_value_to_br_prob): Use it. Track last
+ expected value note.
+ (find_expected_value): Remove.
+
+ * reorg.c (mostly_true_jump): Always use BR_PROB if present.
+
+2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
+ (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
+ a plain file.
+ * configure.in: Call AC_FUNC_MMAP_FILE.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
+ * fixinc/fixincl.c: Likewise.
+
+2000-04-17 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_expect): New.
+ (expand_builtin): Call it.
+ * builtins.def (BUILT_IN_EXPECT): New.
+ * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
+ * extend.texi: Document it.
+
+ * predict.c (expected_value_to_br_prob): New.
+ (find_expected_value): New.
+ * basic-block.h (expected_value_to_br_prob): Declare.
+ * toplev.c (rest_of_compilation): Invoke it.
+
+ * rtl.h (NOTE_EXPECTED_VALUE): New.
+ (NOTE_INSN_EXPECTED_VALUE): New.
+ * rtl.c (note_insn_name): Update.
+ * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
+ cases; handle NOTE_INSN_EXPECTED_VALUE.
+
+2000-04-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
+ leaf sibcall delay slot if flag_pic.
+ (output_sibcall): Always emit call for leaf sibcall if flag_pic.
+
+2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
+
+ * fixproto: If fix-header fails, exit with an error.
+
+Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (struct check_dependence_data): New.
+ (check_dependence): New function.
+ (invalidate): Use check_depdenence.
+
+2000-04-16 Mark Mitchell <mark@codesourcery.com>
+
+ * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
+ UNITS_PER_WORD is unsigned.
+
+ * tree.h (struct tree_common): Remove misleading comment.
+
+2000-04-16 Dave Pitts <dpitts@cozx.com>
+
+ * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
+ message in quotes. Otherwise, IBM's make program treats the '#' as the
+ start of a comment and ignores the remainder of the line.
+
+ * c-lex.c (yylex): Change for EBCDIC, lower case characters precede
+ upper case.
+ * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
+ * cexp.y (initialize_random_junk): Likewise.
+ * cppfiles.c (find_include_file): Cast alloca return value.
+ * cppinit.c (initialize_standard_includes): Likewise.
+ * cpplib.c (cpp_define, cpp_undef): Likewise.
+ * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
+ * final.c (output_asm_insn): Allow for holes in EBCDIC.
+ * fold-const.c (CHARMASK): New.
+ (real_hex_to_f): Use it.
+ * real.c (CHARMASK): New.
+ (etoasc, asctoeg): Use it.
+ (asctoeg): EBCDIC lower case characters precede upper case.
+
+ * i370.c (mvs_add_label): Change spacing for coding conventions.
+ * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
+ outputting case vectors.
+ (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
+ (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
+ since vector in in the data CSECT.
+ (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
+ * i370.md (Many patterns): Put the length in the XL directives.
+ (movdi): Put back STM and MVC in definition.
+ (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
+ pattern using the TCA.
+ * oe.h (CPP_SPEC): Added to allow trigraphs.
+ * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
+ not support the "long long" type.
+
+2000-04-16 Mark Mitchell <mark@codesourcery.com>
+
+ * config/mips/mips-protos.h (mips_legitimate_address_p): New
+ function.
+ (mips_reg_mode_ok_for_base_p): Likewise.
+ * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
+ (REG_OK_FOR_INDEX_P): Define unconditionally.
+ (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
+ (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
+ * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
+ that GET_MODE_SIZE is unsigned.
+ (mips_reg_mode_ok_for_base_p): Define.
+ (mips_legitimate_address_p): Likewise. Adjust now
+ that GET_MODE_SIZE is unsigned.
+ (block_move_loop): Make the number of bytes unsigned.
+ (expand_block_move): Likewise.
+ (function_arg): Make the loop counter unsigned to match the
+ boundary condition.
+
+2000-04-16 Richard Henderson <rth@cygnus.com>
+
+ * rtl.h (enum insn_note): New enumeration. Subsume
+ NOTE_INSN_DELETED and friends.
+ (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
+ * rtl.c (note_insn_name): Tweak string order.
+
+2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
+ to offset * 2.
+
+ * cpplex.c (output_line_command): Remove debugging prints.
+ (cpp_output_tokens): Don't write out a zero-length buffer or
+ try to see if it has a newline in it.
+ (_cpp_expand_to_buffer): Copy the source buffer before pushing.
+ (_cpp_read_and_prescan): Move shift-down of pushback bytes to
+ the end of the loop. Use memmove. Don't read past the end of
+ the buffer. Remove trailing newlines from error messages.
+
+2004-04-16 Neil Booth <NeilB@earthling.net>
+
+ * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
+ * cpplib.c: Add new syntax flags to directive table, and
+ supporting macros.
+
+2000-04-15 Ulrich Drepper <drepper@redhat.com>
+
+ * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
+ using ret $N.
+
+2000-04-15 David Edelsohn <edelsohn@gnu.org>
+
+ * toplev.c (display_help): Prefix "f" to "sched-verbose=".
+ * haifa-sched.c: Update -fsched-verbose comments to use "=".
+
+Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (ggc-page.o): Now includes toplev.h.
+ * ggc-page.c (toplev.h): Now included.
+ (gc_time): Remove declaration.
+ (ggc_collect): TIME now long.
+ * toplev.c (parse_time, varasm_time, gc_time): Still global; all
+ others static.
+ * toplev.h (gc_time, parse_time, gc_time): New declarations.
+
+ * toplev.c: Make *_time variable long to reduce chance of overflow.
+ (TIMEVAR): Likewise for `otime'.
+ (print_time): Arg is now long; compute percentage in FP and round.
+ * toplev.h (print_time): Arg is long.
+
+ * tree.c: Minor whitespace changes.
+
+ * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
+ * configure: Rebuilt.
+ * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
+ (__fixunsxfDI): Renamed from __fixunsxfdi.
+ (__fixunsdfDI): Renamed from __fixunsdfdi.
+ (__fixunssfDI): Renamed from __fixunssfdi.
+ (__floatdisf): Use proper type in REP_BIT macro.
+ (__fixunsxfSI): Renamed from __fixunsxfsi.
+ (__fixunsdfSI): Renamed from __fixunsdfsi.
+ (__fixunssfSI): Renamed from __fixunssfsi.
+ * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
+ Change location of macros and upper-case some names as above.
+ * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
+ * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
+
+ * varasm.c (assemble_variable): Add cast to remove warning.
+ (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
+
+ * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
+ * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
+ region number to -1.
+
+2000-04-15 Richard Earnshaw (rearnsah@arm.com)
+
+ * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
+ call unshare_all_rtl.
+
+ * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
+
+Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
+ Use .s1 not .s0 for all FP instructions.
+
+2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
+ interfaces.
+ (safe_fwrite, output_line_command): New static functions.
+ (cpp_expand_to_buffer): Now private to cpplib.
+ (cpp_scan_buffer): Take a printer.
+
+ * cpphash.h: Update prototypes.
+ * cpplib.h: Update prototypes.
+ (cpp_printer): New.
+ (cpp_buffer): Remove last_nominal_fname.
+ (cpp_reader): Remove lineno.
+
+ * cppmain.c: Use a cpp_printer.
+ * fix-header.c: No need to inhibit line commands. Call
+ cpp_start_read with no printer.
+
+ * cpperror.c (cpp_notice_from_errno): Provide default name.
+ * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
+ (find_include_file, cpp_read_file): Use make_IHASH.
+ (file_cleanup): Set control_macro and clear
+ input_stack_listing_current here.
+ (_cpp_execute_include): Don't output entering-file marker.
+ * cpphash.c (special_symbol): Look for the line number in the
+ buffer, not the reader.
+ (_cpp_macroexpand): No need to disable line commands.
+ (_cpp_dump_definition): No need to generate line commands.
+ (dump_hash_helper): Remove excess newline from output.
+ * cppinit.c (dump_special_to_buffer): No need to generate line
+ commands.
+ (cpp_printer_init): New.
+ (cpp_start_read): Take a printer, and start it up if it's not
+ NULL. No need to generate line commands.
+ (cpp_finish): Expect no buffers stacked at all. Take a
+ printer argument, and flush the output buffer if it's not
+ NULL.
+ * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
+ Don't put two hashes at the beginning of an assertion.
+ (cpp_get_token): Don't increment pfile->lineno or emit line
+ commands here. Return EOF if there's no buffer when we get
+ EOF.
+ * cpplib.c (do_define, skip_if_group):
+ No need to disable line commands.
+ (_cpp_output_line_command): Delete function.
+ (do_line): Don't emit line commands here, but set things up so
+ they will be emitted if necessary. Use _cpp_fake_ihash to
+ make unique nominal_fnames if necessary.
+ (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
+ with 0 for column, not -1.
+ (_cpp_handle_eof): Don't set the control macro here. Don't
+ clear input_stack_listing_current here. Don't emit line
+ commands.
+
+2000-04-14 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
+ always, use the default SVR4 start address.
+
+ * config/rs6000/linux.h (LINK_SPEC): Don't define.
+ (LINK_SHLIB_SPEC): Define.
+ (LINK_START_DEFAULT_SPEC): Define.
+ (LINK_OS_DEFAULT_SPEC): Define.
+
+ * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
+
+ * config/rs6000/eabi.asm (__eabi): Call __init rather than
+ __do_global_ctors to handle constructors.
+ * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
+ (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
+ (STARTFILE_MVME_SPEC): Likewise.
+ (STARTFILE_SIM_SPEC): Likewise.
+ (ENDFILE_ADS_SPEC): Use crtend.
+ (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
+ (ENDFILE_MVME_SPEC): Likewise.
+ (ENDFILE_SIM_SPEC): Likewise.
+ (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
+ (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
+ (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
+ (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
+ * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
+ (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
+ (CRTSTUFF_T_CFLAGS_S): Define.
+ * config/rs6000/eabi-ctors.c: Delete.
+
+ * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
+ boundary.
+ (__fini): Likewise.
+ * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
+ boundary.
+ (__fini): Likewise.
+
+Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
+
+ * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
+ plus mask size is smaller or equal to the mode size.
+
+Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
+ not yet set.
+
+ * expr.c (reload.h): Now included.
+ (emit_block_move): Set volatile_ok when checking for movstr.
+ (emit_move_1): Check for replacements in addresses in multi-word case.
+ * Makefile.in (expr.o): Now includes reload.h.
+
+ * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
+ Never have a LIBCALL end a basic block.
+ (find_basic_blocks_1): Likewise.
+ Reorganize CALL_INSN cases.
+
+ * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
+
+Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
+ completers from mov.ret instruction.
+
+2000-04-14 Richard Henderson <rth@cygnus.com>
+
+ * fold-const.c (extract_muldiv): Don't distribute and widen
+ multiply across plus for non-sizetype unsigned types.
+
+2000-04-14 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_auto_inc): Don't autoinc eliminable registers.
+ If the original source is dead in the incr insn, it's dead now.
+
+Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
+ see if DECL_BIT_FIELD needs to still be set.
+
+ * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
+
+ * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
+ print_int_cst_octal with something that's not an INTEGER_CST.
+
+ * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
+ and not a SUBREG to a FLOAT rtl.
+
+Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
+
+ * emit-rtl.c (try_split): Avoid infinite loop if the split
+ results in a sequence that contains the original insn.
+
+2000-04-13 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/mips.c (expand_block_move): Pass alignment
+ argument to move_by_pieces in bits, not bytes.
+
+ * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
+ __pic__ for little endian.
+
+2000-04-13 Andreas Jaeger <aj@suse.de>
+
+ * config/i386/i386-protos.h: Add prototype for
+ uno_comparison_operator.
+
+Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
+ * calls.c (ECF_PURE): New flag.
+ (emit_call_1): Handle ECF_PURE calls.
+ (initialize_argument_information): Unset ECF_PURE flag too.
+ (precompute_arguments): Precompute for ECF_PURE too.
+ (expand_call): Handle ECF_PURE calls too.
+ (emit_library_call_value_1): Rename no_queue argument to fn_type,
+ accept value of 2 as pure function.
+ (emit_library_call_value, emit_library_call): Rename no_queue argument
+ to fn_type.
+ * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
+
+ * tree.h (DECL_IS_PURE): New macro.
+ (struct tree_decl): Add pure_flag.
+ * c-common.c (enum attrs): Add attribute "pure".
+ (init_attributes): Initialize attribute "pure"
+ (decl_attributes): Handle attribute "pure".
+ * extend.texi (Attribute "pure"): Document.
+ * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
+ in pure function.
+ (flags_from_decl_or_type): Support attribute "pure".
+
+2000-04-13 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
+ the token except for numbers and identifiers.
+
+Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.c (ix86_expand_binary_operator,
+ ix86_expand_unary_operator): Check no_new_pseudos
+ instead of reload_in_progress and reload_completed.
+ (ix86_split_ashldi, ix86_split_ashrdi,
+ ix86_split_lshrdi): Check no_new_pseudos instead
+ of reload_completed.
+
+2000-04-12 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (purge_addressof): Unshare any shared rtl created by
+ purge_addressof and its children.
+
+2000-04-12 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (aggregate_value_p): VOID_TYPE nodes are never
+ aggregates.
+
+2000-04-05 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
+ not compiling PIC code, add flags for mabi=64.
+ (SUBTARGET_CPP_SIZE_SPEC): New.
+ (SUBTARGET_CPP_SPEC): New.
+ (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
+ for MIPS/Linux and lots of code needs these defines.
+
+Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * reorg.c (fill_slots_from_thread): Check side_effects_p when
+ trying the "opposite arithmetic" approach.
+
+Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
+ (struct sh_args): Add new field force_mem.
+ (INIT_CUMULATIVE_ARGS): Initialize it.
+ (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
+
+Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Do not reverse args in "equal from" field.
+ (emit_library_call_value_1): Emit_libcall_block for const and pure
+ function.
+
+Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine): Don't enable optimization for fixed
+ registers when encountering a BARRIER.
+
+Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_memcmp): Do expansion even with
+ !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
+
+ * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
+ stack is properly aligned; add sanity checking for aligned
+ stack pointer.
+ (expand_library_call_value_1): Add sanity checking for aligned
+ stack pointer.
+
+Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
+
+ * calls.c (emit_library_call_value_1): Change 3rd arg to
+ locate_and_pad_parm to disregard the setting of partial.
+
+Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
+
+ * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
+ CALL_INSN from the normal case.
+
+Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
+ New global variables.
+ (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
+ adjustment.
+ * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
+ Declare,
+ (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
+ TARGET_ADD_ESP_8): New macros.
+ * i386.md: Add peep2s to convert esp adjustments to push and pop
+ instructions.
+ (pushsi_prologue, popsi_epilogue): New patterns.
+
+2000-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ * real.c (toe64): Remove stale #endif from the last change.
+
+2000-04-12 Stephen L Moshier <moshier@mediaone.net>
+
+ * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
+ * real.c (toe64): Revert previous change.
+
+2000-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ * objc/objc-act.c: Include ggc.h.
+ (objc_tree_index, objc_global_trees): Convert most of the
+ static tree variables into a static array with previous names
+ as defines.
+ (objc_ellipsis_node): New variable.
+ (lang_init): Call objc_act_parse_init and c_parse_init.
+ Create objc_ellipsis_node.
+ (build_selector_translation_table): Use objc_ellipsis_node instead
+ of (tree)1.
+ (hack_method_prototype): Likewise.
+ (get_arg_type_list): Likewise.
+ (start_method_def): Likewise.
+ (continue_method_def): Likewise.
+ (gen_method_decl): Likewise.
+ (ggc_mark_imp_list): New function.
+ (ggc_mark_hash_table): New function.
+ (objc_act_parse_init): New function.
+ * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
+ * c-parse.in (c_parse_init): For objc add roots of objc specific
+ local tree variables.
+ * objc/objc-parse.y: Rebuilt.
+ * objc/objc-parse.c: Rebuilt.
+ (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
+
+Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
+
+ * cse.c (delete_trivially_dead_insns): Also delete insns
+ that copy a register to itself where the destination is
+ a strict_low_part.
+
+2000-04-11 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (struct propagate_block_info): Add new_dead, new_live.
+ (propagate_block): Initialize them. Use them in parallel instead
+ of one tmp variable, ie revert much of the 0408 and 0407 functional
+ changes, but keep the structural changes.
+ (mark_set_regs): Take new_dead from propagate_block_info instead.
+ (mark_set_1, mark_set_reg): Likewise.
+ (mark_used_regs): Likewise with new_live.
+ (mark_used_reg): Likewise. Revert 0408 change.
+
+2000-04-11 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
+ restriction.
+ (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
+
+2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
+ const section to output a CONSTRUCTOR based on the same conditions
+ used for VAR_DECLs.
+
+Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
+ * pa/pa-protos.h (output_call): Add additional argument indicating
+ if the call is a sibling/tail call.
+ (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
+ (compute_64bit_ior, cmpib_comparison_operator): Likewise.
+ (function_arg, function_arg_partial_nregs): Likewise
+ * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
+ (emit_move_sequence): Zero extend certain constants as needed
+ for TARGET_64BIT.
+ (compute_zdepdi_operands, output_64bit_and): New functions.
+ (output_64bit_ior, function_arg): Likewise.
+ (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
+ (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
+ (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
+ (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
+ (output_bvb): Likewise.
+ (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
+ (output_call): New argument 'sibcall'. Generate sibcall sequences
+ as needed.
+ (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
+ (ouput_arg_descriptor): Do not emit argument descriptors for
+ TARGET_64BIT.
+ * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
+ defined.
+ (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
+ (FUNCTION_OK_FOR_SIBALL): Define.
+ (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
+ (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
+ (CPP_SPEC): Use new spec infrastructure.
+ (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
+ (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
+ (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
+ (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
+ (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
+ (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
+ (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
+ (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
+ (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
+ (FUNCTION_ARG); Call out to C code.
+ (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
+ (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
+ (MIN_UNITS_PER_WORD): Likewise.
+ * pa/pa.md (cmpdi): New expander.
+ (scc patterns, movstrsi): Not available for TARGET_64BIT.
+ (64bit conditional arithmetic): New patterns.
+ (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
+ (movsicc): Not available if modes on all the operands to not match.
+ (movdicc): New expander and associated patterns.
+ (64bit branches): New patterns.
+ (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
+ (pre_ldd, post_std): New patterns.
+ (64bit addil, load low part): New patterns.
+ (special movsf constant): Not available for TARGET_64BIT.
+ (movsf, movdf expanders): Force constants into memory.
+ (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
+ (64bit movdf/movdi patterns): New patterns.
+ (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
+ for TARGET_64BIT.
+ (extendqidi2, extendhidi2, extendsidi2): Similarly.
+ (adddi3 expander): Allow "arith_operand" for second input.
+ (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
+ (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
+ (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
+ (muldi3): New expander for TARGET_64BIT.
+ (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
+ for TARGET_64BIT.
+ (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
+ patterns for TARGET_64BIT.
+ (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
+ patterns for TARGET_64BIT.
+ (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
+ (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
+ (sibcall_epilogue): New expander.
+ (casesi): Tweak for TARGET_64BIT.
+ (call expanders): Set & use the outgoing argument pointer. Use the
+ 64bit call patterns as needed. Add additional arg to output_call.
+ (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
+ (sibcall, sibcall_internal_symref): New expanders.
+ (sibcall_value, sibcall_value_internal_symref
+ (interspace_jump): Turn into an expander + matching patterns.
+ (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
+ * pa/pa64-regs.h: Eliminate trigraph sequences.
+ * pa/pa64-start.h (TARGET_PA_20): Fix typo.
+
+2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
+ cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
+ cpp_token with cpp_ttype everywhere.
+ * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
+ Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
+ CPP_BUF_COL. Line and column numbers are unsigned int, not
+ long.
+ * cpplex.c (cpp_buf_line_and_col): Delete.
+ * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
+ 'long lineno' to 'unsigned int lineno'.
+ (CPP_BUF_LINE, CPP_BUF_COL): New macros.
+
+2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * extend.texi: ISO C99 is not a draft anymore.
+ * invoke.texi: ISO C++ is not a draft anymore.
+ * cpp.texi: __cplusplus is required by the ISO standard.
+
+ * extend.texi (-fthis-is-variable): Undocument.
+ * flags.h (warn_template_debugging): Remove declaration.
+ * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
+ -Wenum-clash, -Wtemplate-debugging): Undocument.
+
+2000-04-10 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
+ integer.
+ (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
+ integer.
+ (ARM_SIGN_EXTEND): Use HOST_UINT.
+ (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
+ (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
+ (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
+ (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
+
+ * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
+ (arm_gen_constant): Use HOST_UINT.
+ (arm_canonicalize_constant): Use HOST_UINT.
+ (arm_reload_in_hi): Use HOST_UINT.
+ (arm_reload_out_hi): Use HOST_UINT.
+ (output_multi_immediate): Use HOST_UINT.
+ (int_log2): Use HOST_UINT.
+ (arm_poke_function_name): Use HOST_UINT.
+ (arm_output_epilogue): Use arm_volatile_func().
+ (output_thumb_prologue): Use arm_strip_name_encoding().
+
+Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
+ of sequence point problems.
+
+2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
+
+ * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
+ Recomment.
+ * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
+
+Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sbitmap.h: Whitespace changes and use upper-case macro args.
+ (struct simple_bitmap_def): All sizes now unsigned.
+ (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
+ * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
+ (sbitmap_vector_alloc): Parms and local vars now unsigned.
+ (sbitmap_zero): Cast bzero arg to PTR.
+ (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
+ (sbitmap_union_of_diffs): Change loop index to unsigned and rework
+ loop to make structure clearer.
+ (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
+ (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
+ (sbitmap_a_and_b_or_c): Likewise.
+ (sbitmap_intersection_of_succs): Minor cleanups.
+ (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
+ (sbitmap_union_of_preds): Likewise.
+ (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
+ (debug_sbitmap): New function.
+
+ * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
+ * c-typeck.c (convert_for_assignment): Likewise.
+
+ * expmed.c (init_expmed): Don't free objects we make.
+ * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
+
+ * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
+ (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
+
+ * gcse.c (expr_hash_table_size): Now unsigned.
+ (compute_ae_gen): Local variable `i' now unsigned.
+ (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
+ (compute_transout, hoist_code): Likewise.
+ (compute_local_properties): Likewise, also hash_table_size.
+ (alloc_expr_hash_table): N_INSNS now unsigned.
+ (delete_null_pointer_checks): Mark arg F as unused.
+
+ * regrename.c: Minor cleanups, including chang some variables
+ to unsigned int.
+
+2000-04-10 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (skip_block_comment): Use pointer arithmetic rather
+ than GETC ().
+ * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
+
+2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
+ __classof__, and __headof__ from the list of gnu keywords.
+ (-ansi): Remove -foperator-names from list of implied options.
+ Do not call it ANSI C++.
+ (-foperator-names): Document as -fno-operator-names.
+
+2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (timestamp): Delete.
+ (del_HASHNODE): If type is T_MCONST, free value.cpval.
+ (special_symbol): Remove unnecessary braces. Remove
+ T_VERSION. Treat T_STDC like T_CONST unless
+ STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
+ when one is encountered, then convert them into T_MCONST
+ nodes.
+ * cppinit.c (builtin_array): version_string is T_MCONST.
+ __STDC__ has a "1" in its cpval. Don't have a terminator
+ entry. Clean up which entries are dumped.
+ (initialize_builtins): Only __STDC__ gets the special
+ -traditional treatment. Count the length of builtin_array.
+ Render version_string here.
+ * cpphash.h: Remove T_VERSION. Add T_MCONST.
+ * cpplib.h (struct cpp_reader): Remove timebuf.
+
+2000-04-09 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (pred): Update comparison_operator for the unordered
+ operators.
+
+ * config/i386/i386.c (no_comparison_operator): Disallow unordered
+ operators.
+ (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
+ (uno_comparison_operator): New.
+ (put_condition_code): Handle UNORDERED/ORDERED.
+ (unsigned_comparison): Likewise.
+ (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
+ (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
+ (ix86_expand_fp_compare): Use them. Take scratch as argument,
+ update all callers. Handle all 8 unordered operators.
+ (ix86_expand_setcc): Lose the unordered argument, update all callers.
+ (ix86_expand_branch): Likewise. Don't fully expand fp branches.
+ * config/i386/i386.h (PREDICATE_CODES): Update.
+ * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
+ (ix86_expand_branch, ix86_expand_setcc): Update.
+ * config/i386/i386.md (sunordered, sordered): New.
+ (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
+ (bunordered, bordered): New.
+ (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
+ (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
+ (*fp_jcc_5, *fp_jcc_6, and splitters): New.
+
+2000-04-09 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
+
+Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.md (fix_truncsfhi2, fix_truncdfhi2,
+ fix_truncxfhi2): New patterns.
+ * i386.c (output_fix_trunc): Handle converting to HImode.
+
+2000-04-08 Alex Samuel <samuel@codesourcery.com>
+
+ * ssa.c (convert_to_ssa): Eliminate dead code when calling
+ life_analysis.
+ (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
+ (for_each_successor_phi): Change parameter to basic_block.
+ (coalesce_regs_in_successor_phi_nodes): Likewise.
+ (coalesce_regs_in_copies): Likewise.
+ (compute_coalesced_reg_partition): Use basic_block instead of index.
+ * rtl.h (convert_to_ssa): Delete.
+ (convert_from_ssa): Likewise.
+ (successor_phi_fn): Likewise.
+ (for_each_successor_phi): Likewise.
+ (in_ssa_form): Likewise.
+ * basic-block.h (convert_to_ssa): Moved from rtl.h.
+ (convert_from_ssa): Likewise.
+ (successor_phi_fn): Likewise.
+ (in_ssa_form): Likewise.
+ (for_each_successor_phi): Likewise. Change parameter to basic_block.
+ * flow.c (calculate_global_regs_live): Pass a basic_block to
+ for_each_successor_phi.
+
+2000-04-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_used_reg): Use reg_set_p to determine if a register
+ was modified in the current insn.
+
+2000-04-08 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm/thumb.md: Delete.
+ * arm/thumb-protos.h: Delete.
+
+2000-04-08 Richard Earnshaw (rearnsha@arm.com)
+
+ Merge changes from merged-arm-thumb-backend-branch onto trunk.
+
+ 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
+
+ * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
+ into branch.
+
+ * arm.md (nop): Use the standard RTL expression. Don't code as a
+ define_expand.
+ (*arm_nop, *thumb_nop): Delete.
+
+ * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
+ constants. Use casts instead.
+ (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
+ output_multi_immediate, arm_poke_function_name): Likewise.
+ * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
+ MASK_RETURN_ADDDR): Likewise.
+
+ 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
+
+ * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
+ into branch.
+
+ * arm.md (eh_epilogue): New function.
+ * arm.h (struct machine_function): Move to here ...
+ * arm.c: ... from here.
+ (arm_output_epilogue): Support epilogues for __builtin_eh_return.
+ (thumb_exit): Extra parameter eh_ofs. All callers changed.
+ Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
+
+ 2000-03-30 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/semi.h (ASM_SPEC): Restore definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
+
+ * config/arm/elf.h (ASM_SPEC): Restore definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
+
+ * config/arm/arm.h (ASM_SPEC): Remove definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
+
+ 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.c: Disable -fschedule-insns for Thumb.
+
+ 2000-03-24 Nick Clifton <nickc@cygnus.com>
+
+ Various formating tidyups, elimination of compile time
+ warnings and synchronisation with internal sources:
+
+ * config/arm/arm-protos.h (assemble_align): Add prototype.
+ (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
+ (gen_comapre_reg): Rename to arm_gen_compare_reg.
+ (arm_return_addr_rtx): Rename to arm_return_addr.
+
+ * config/arm/arm.c: Include except.h.
+ Define shorter typenames for strict minipool_node and struct
+ minipool_fix.
+ (arm_return_in_memory): For WinCE return all structures <= 32 bits
+ in memory.
+ (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
+ (gen_comapre_reg): Rename to arm_gen_compare_reg.
+
+ * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
+ already defined.
+ (ASM_SPEC): Define if not already defined.
+ (ASM_OUTPUT_DEF_FROM_DECLS): Define.
+
+ * config/arm/arm.md: Rename references to gen_rotated_half_load to
+ arm_gen_rotated_half_load, and references to gen_comapre_reg to
+ arm_gen_compare_reg.
+ (indirect_jump): Only accept register operands.
+ (load_indirect_jump): Keep this pattern since combine can generate
+ it.
+
+ * config/arm/coff.h: Include aout.h.
+ (MULTILIB_DEFAULTS): Only define if not already defined.
+
+ * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
+ into arm.h (so that COFF ports can support thumb based aliases).
+ (ASM_SPEC): Move definition into arm.h
+
+ * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
+ redundant apcs spec.
+ (ASM_SPEC): Move definition to arm.h
+
+ * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
+
+ * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
+ for entries in the .bss section
+
+ 2000-03-23 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
+ to thumb_far_jump_used_p.
+
+ * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
+ single integer parameter.
+
+ * config/arm/arm.c (struct machine_function): Add two new
+ fields, 'far_jump_used' and 'arg_pointer_live'.
+ (thumb_far_jump_used_p): Once the decision has been made that
+ far jumps might be used, always return true.
+ If being called from the initial elimination offset macro then
+ do not bother to perform the test if the arg pointer is not
+ being used.
+ (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
+ (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
+
+ 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.c (output_return_instruction): Handle more cases where we can
+ return from a function with an ldr instruction.
+ (arm_output_epilogue): Likewise.
+
+ * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
+ if we need to push a large stack frame and there are no callee-saved
+ registers.
+
+ * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
+ in ARM code if the frame pointer has been eliminated.
+
+ * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
+ unspec_volatile arguments to avoid duplicates.
+ (consttable_1, consttable_2): Fixes for big-endian mode.
+
+ * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
+ as appropriate.
+
+ Re-write constant pool code.
+ * arm.c (minipool_node, minipool_fix): New types.
+ (minifix): Delete type.
+ (arm_add_minipool_constant): Delete.
+ (arm_compute_minipool_offsets, arm_find_barrier,
+ arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
+ (get_jump_table_size): Now returns HOST_WIDE_INT.
+ (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
+ functions.
+ (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
+ (assign_minipool_offsets, arm_print_value): Likewise.
+ (dump_minipool): Rewrite.
+ (arm_barrier_cost): New function.
+ (create_fix_barrier): New function.
+ (push_minipool_barrier): New function.
+ (push_minipool_fix): Record additional information about the fixup
+ required.
+ (note_invalid_constants): Remove push for (UNSPEC 3). Don't
+ check the mode of what needs fixing.
+ (arm_reorg): Rewrite.
+
+ 2000-03-08 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.md (indirect_jump): Force constant addresses into
+ a register.
+
+ 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
+
+ 2000-02-24 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
+ adjust is word aligned.
+ (thumb_expand_epilogue): Make sure that stack adjust is word
+ aligned.
+
+ * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
+
+ 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
+
+ * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
+ pointer relative addresses.
+
+ 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (find_barrier): Find the last barrier within the allowed
+ range.
+
+ 2000-02-09 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm-protos.h: Replace PROTO with PARAMS.
+
+ 2000-02-09 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
+ ARM_FUNCTION_PROFILER.
+
+ * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
+ ARM_FUNCTION_PROFILER.
+
+ * config/arm/linux-oldld.h: Imported from mainline sources.
+
+ 2000-02-07 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/lib1funcs.asm: Merge in thumb functions from
+ lib1thumb.asm.
+
+ * config/arm/lib1thumb.asm: Delete.
+
+ 2000-02-04 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Sychronised with current Red hat local
+ sources.
+ * config/arm/arm.h: Ditto.
+ * config/arm/arm-protos.h: Ditto.
+
+ 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
+
+ * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
+ byte stores.
+
+ 2000-02-02 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
+
+ * config/arm/arm.md (epilogue): Fix rtl checking abort because
+ (return) was emited using an emit_insn() call.
+
+ 2000-01-31 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (output_thumb_prologue): Fix bug generating
+ thumb stack frame.
+ (thumb_exit): Move frame pointer back into hard frame pointer
+ register if backtracing is being used.
+
+ 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
+
+ * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
+ into branch.
+
+ 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.md (neg_pool_offset): Provide default for new
+ attribute.
+ (arm_movsi_insn): Add neg_pool_offset attribute.
+ * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
+ rtx for the insn that starts the scan and an unsigned long for its
+ address. Add MIN_OFFSET and PINSERTED args. All callers changed.
+ Change scan to ignore insns before MIN_OFFSET. Store size of inserted
+ instructions in *PINSERTED.
+ (struct minipool_fixup): Add MIN_ADDRESS elt.
+ (sort_fixups): Compute it.
+ (arm_reorg): Changes to support inserting pools before the insn to be
+ fixed up.
+
+ 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
+ * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
+ * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
+
+ Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/semi.h (TARGET_VERSION): Do not define if already
+ defined.
+ (TARGET_DEFAULT): Do not define if already defined.
+
+ Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.md (anddi3): Allow disjoint source operands.
+ (iordi3): Allow disjoint source operands.
+ (xordi3): Allow disjoint source operands.
+ (negdi2): Permit construction for ARM and Thumb.
+ (arm_negdi2): Renamed version of old negdi2 pattern.
+ (thumb_negdi2): New pattern: Only permit non-overlapping
+ source and destination.
+
+ Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
+ scratch low register so that it will not be deleted.
+
+ Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/pe.h (ARM_PE): Define.
+
+ * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
+ interfacearm attribute if this is a PE toolchain.
+ (output_return_instruction): Do not emit anything if the function
+ has the naked attribute set.
+ (is_called_in_ARM_mode): If the function has the interfacearm
+ attribute then return true.
+ (thumb_expand_prologue): Do not generate a prologue for naked
+ functions.
+ (thumb_expand_epilogue): Do not generate an epilogie for a naked
+ function.
+ (output_thumb_prologue): Do not bother if the function is naked.
+ Strip PE encoding from function name before emitting.
+
+ Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (pic_load_addr): Fix constraints.
+
+ * arm.md (casesi_insn): Fix mis-applied patch.
+
+ * arm.md ("core" function unit): Add rules for single- and
+ multi-cycle insns.
+ (All TARGET_THUMB patterns): Add "type" attribute information
+ where needed.
+ * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
+ the following insn is a CALL.
+
+ * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
+ pointer.
+ * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
+ ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
+ (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
+
+ Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/linux-gas.h: oops - this file was missed out when the
+ branch was created...
+
+ Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * thumb.c: Deleted. Move contents to ...
+ * arm.c: ... here.
+ * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
+ rule for thumb.o
+ * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
+ * configure: Regen.
+
+ * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
+ declare a prototype for asm_output_align();
+
+ * arm.c (thumb_condition_code): Delete.
+ (arm_print_operand): Always use arm_condition_code array.
+
+ * arm.c (thumb_return_addr_rtx): Delete.
+ (arm_save_machine_status, arm_restore_machine_status): Delete.
+ (arm_init_machine_status, arm_mark_machine_status): New functions.
+ (arm_init_expanders): Update accordingly.
+ (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
+ (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
+ * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
+
+ Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in : Fix arm-*-aout target to use new t-arm-aout
+ script.
+ * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
+ targets.
+
+ Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
+ stack backtrace structure.
+
+ * config/arm/arm-protos.h: Add prototypes for functions defined in
+ arm/pe.h.
+
+ * config/arm/arm.c (arm_override_options): Fix selection of
+ attributes of default processor.
+
+ * config/arm/coff.h: Delete needless #include.
+
+ * config/arm/pe.c: Delete unused code.
+
+ * config/arm/pe.h (CPP_DEFINES): Delete
+ (SUBTARGET_CPP_SPEC): Define.
+ (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
+
+ * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
+
+ Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
+ updated.
+ (CAN_DEBUG_WITHOUT_FP): Define.
+ (FIXED_REGISTERS): Make r11 call-saved.
+ (CALL_USED_REGISTERS): Likewise.
+ (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
+ (FRAME_POINTER_REQUIRED): Correct logic for determining when a
+ frame-pointer is required.
+ (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
+ * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
+ if the target normally needs a stack frame in non-leaf functions.
+ (use_return_insn): Correct logic for determining when a return
+ instruction can be used.
+ (output_return_instruction): Handle the frame-pointer register as
+ a normal register when not TARGET_APCS_FRAME.
+ (arm_output_prologue): Likewise.
+ (arm_output_epilogue): Likewise.
+ (output_func_epilogue): Likewise.
+ (arm_expand_prologue): Likewise.
+ * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
+
+ * arm.c (use_return_insn): No need to check floating point regs if
+ TARGET_SOFT_FLOAT.
+ (arm_find_minipool_constant): Correct typo; use GET_CODE to get
+ the code of value stored in the minipool array.
+ (arm_add_minipool_constant): Likewise.
+
+2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * basic-block.h (conflict_graph_enum_fn): K&R fix.
+
+2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree.c (tree_expr_nonnegative_p): New function.
+
+ * tree.h (tree_expr_nonnegative_p): Declare.
+
+ * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
+ elide some sign_compare warnings.
+ (build_conditional_expr): Likewise.
+
+Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
+
+ * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
+
+ * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
+ * i386.c (print_operand): Use the proper suffix for a 387 HImode
+ operand. Abort if a 387 operand has an unsupported size.
+
+2000-04-08 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (parse_charconst): Null does not end character
+ constants.
+ * cppinit.c (ISTABLE): Null character handled as whitespace.
+ * cpplex.c (null_warning): new function.
+ (skip_string): Emit warning if nulls encountered.
+ (_cpp_skip_hspace): Emit warning if nulls encountered.
+ (_cpp_lex_token): Emit warning if nulls encountered. Drop
+ them.
+ * cpp.texi: Update.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (loop_depth): Remove.
+ (reg_next_use, cc0_live, mem_set_list): Replace with ...
+ (struct propagate_block_info): New.
+ (life_analysis): Don't allocate reg_next_use.
+ (propagate_block_delete_insn): Break out of propagate_block.
+ Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
+ (propagate_block_delete_libcall): Likewise.
+ (propagate_block): Create a propagate_block_info struct to pass
+ to subroutines. Allocate one not two temporary regsets. Don't
+ clobber memory for const calls. Look for clobbers in
+ CALL_INSN_FUNCTION_USAGE.
+ (mark_set_regs): Recognize COND_EXEC.
+ (mark_set_reg): Break out of mark_set_1.
+ (mark_used_reg): Break out of mark_used_regs.
+ (mark_used_regs): Recognize COND_EXEC.
+ (insn_dead_p): Use propagate_block_info struct.
+ (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
+ (find_auto_inc, try_pre_increment_1): Likewise.
+ (print_rtl_with_bb): Dump regs live at end too.
+ (count_reg_sets_1): Pass in loop_depth.
+ (count_reg_sets, count_reg_references): Likewise.
+ (recompute_reg_usage): Provide it.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
+ not the raw files.
+
+2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_elif): Skip the rest of the line if we're
+ not going to bother evaluating it.
+ (skip_if_group): Clear pfile->only_seen_white. Reorder loop
+ to avoid pointless calls to the lexer.
+
+Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
+
+2000-04-07 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (expand_call): emit_queue if we're trying a sibcall.
+
+2000-04-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
+
+2000-04-06 Geoff Keating <geoffk@cygnus.com>
+
+ * Makefile.in: Build crtbeginS and crtendS like crtbegin and
+ crtend so they can be multilibbed.
+ (STAGESTUFF): Remove s-crt and s-crtS.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
+ if we discover we need a pseudo and no_new_pseudos is true.
+ * config/alpha/alpha.md (ne:DI insn): New.
+ (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
+
+2000-04-07 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def (COND_EXEC): New.
+ * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
+ * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
+
+ * genconfig.c (have_cond_arith_flag): Remove.
+ (have_cond_exec_flag): New.
+ (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
+ (main): Print HAVE_conditional_execution.
+
+ * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
+ (sched_analyze_insn, print_pattern): Likewise.
+ * reload.c (find_equiv_reg): Likewise.
+ * rtlanal.c (reg_referenced_p): Likewise.
+ (note_stores, dead_or_set_regno_p): Likewise.
+ (reg_overlap_mentioned_p): Rewrite to use a switch.
+
+ * ggc.h (struct rtx_def): Forward declare.
+
+ * print-rtl.c (debug_rtx_range): New.
+ * rtl.h (debug_rtx_range): Declare.
+
+ * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
+
+ * gcse.c (gcse_main): Don't rebuild the CFG here.
+ (delete_null_pointer_checks): Likewise.
+ * ssa.c (convert_to_ssa): Likewise.
+ * toplev.c (rest_of_compilation): Do it here instead. Combine
+ sequential calls to TIMEVAR. Consistently use `insns' instead of
+ `get_insns()'. Always split insns after reload when optimizing.
+
+ * basic-block.h (merge_blocks_nomove): Declare.
+ (tidy_fallthru_edge): Declare.
+ * flow.c (merge_blocks_nomove): Document as merging into previous
+ blocks. Remove cruft from between blocks; remove all edges out of A.
+ (tidy_fallthru_edge): Export.
+
+2000-04-06 Alex Samuel <samuel@codesourcery.com>
+
+ * ssa.c (compute_conservative_reg_partition): Declare with
+ void arguments.
+ * toplev.c (clean_dump_file): Remove previously-deleted function
+ inadvertantly merged back in.
+ * conflict.c (conflict_graph_add): Use a single call to
+ htab_find_slot to look up and insert.
+
+2000-04-06 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (*): Rename _last_insn to last_insn.
+ (make_insn_sequence): Set the position of the peephole2 C test
+ to be at the last insn.
+
+2000-04-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (compute_flow_dominators): Free worklist.
+
+2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
+
+ * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
+
+2000-04-06 Alex Samuel <samuel@codesourcery.com>
+
+ * rtl.h (INSN_P): New macro.
+ (successor_phi_fn): New typedef.
+ (for_each_successor_phi): New prototype.
+ (in_ssa_form): New variable.
+ (PHI_NODE_P): Likewise.
+ * flow.c (calculate_global_regs_live): Add to new_live_at_end from
+ phi nodes in successors.
+ (mark_used_regs): Add PHI case.
+ (set_phi_alternative_reg): New function.
+ (life_analysis): Assert that dead code elimination is not selected
+ when in SSA form.
+ * toplev.c (to_ssa_time): New variable.
+ (from_ssa_time): Likewise.
+ (compile_file): Zero to_ssa_time and from_ssa_time.
+ Print time to convert to and from SSA.
+ (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
+ (print_time): Compute percent fraction as integer.
+ * ssa.c (PHI_NODE_P): Moved to rtl.h.
+ (convert_to_ssa): Check if we're already in SSA.
+ Don't eliminate dead code in life_analysis.
+ Rerun flow and life analysis at bottom.
+ (eliminate_phi): Use canonical regnos when adding nodes.
+ (mark_reg_in_phi): New function.
+ (mark_phi_and_copy_regs): Likewise.
+ (convert_from_ssa): Rerun life analysis at top.
+ Use coalesced partition.
+ Check for removing a phi node at the end of the block.
+ (compute_coalesced_reg_partition): New function.
+ (coalesce_regs_in_copies): Likewise.
+ (coalesce_reg_in_phi): Likewise.
+ (coalesce_regs_in_successor_phi_nodes): Likewise.
+ (for_each_successor_phi): Likewise.
+ (rename_context): New struct.
+ (rename_block): Use a rename_context with rename_insn_1. When
+ renaming sets of a subreg, emit a copy of the entire reg first.
+ (rename_insn_1): Treat data as a rename_context *. Save current
+ insn in set_data.
+ (rename_set_data): Add field set_insn.
+ * Makefile.in (HASHTAB_H): Move up in file.
+ (OBSTACK_H): New macro.
+ (collect2.o): Use OBSTACK_H in dependencies.
+ (sdbout.o): Likewise.
+ (emit-rtl.o): Likewise.
+ (simplify-rtx.o): Likewise.
+ (fix-header.o): Likewise.
+ (OBJS): Add conflict.o.
+ (conflict.o): New rule.
+ * basic-block.h: Include partition.h.
+ (conflict_graph): New typedef.
+ (conflict_graph_enum_fn): Likewise.
+ (conflict_graph_new): New prototype.
+ (conflict_graph_delete): Likewise.
+ (conflict_graph_add): Likewise.
+ (conflict_graph_conflict_p): Likewise.
+ (conflict_graph_enum): Likewise.
+ (conflict_graph_merge_regs): Likewise.
+ (conflict_graph_print): Likewise.
+ (conflict_graph_compute): Likewise.
+ * conflict.c: New file.
+
+2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
+
+ * tlink.c (read_repo_files): Don't look for .rpo info for
+ linker flags.
+
+Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
+
+Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * config/sh/lib1funcs.asm (___udivsi3_i4):
+ ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
+ only depends on FMOVD_WORKS.
+
+Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
+ make double constant 8-byte aligned.
+
+2000-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
+ movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
+ movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
+ (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
+ Accept storing GENERAL_REGS into offsetable memory.
+ * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
+ building a TFmode constant other than 0.0L into GENERAL_REGS.
+
+2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
+
+ * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
+
+2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
+ (macro_cleanup): No need to cast pbuf->macro.
+ (collect_expansion): Use _cpp_get_define_token. Goto done if
+ it returns VSPACE. Remove check for trailing space after
+ CPP_COMMENT.
+ (_cpp_create_definition): Don't diddle flags here. Return
+ directly on error.
+ (unsafe_chars): Handle c1 being EOF.
+ (push_macro_expansion): Use unsafe_chars for both accidental-paste
+ checks. Don't push the buffer till after we're done with
+ them.
+ * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
+ (PEEKN, FORWARD, GETC, PEEKC): Use them.
+ (cpp_push_buffer): Don't set new->alimit. Set new->mark
+ appropriately.
+ (_cpp_parse_assertion): Don't NUL terminate.
+ (_cpp_lex_token): Fix -traditional macro handling. Don't skip
+ hspace before calling _cpp_parse_assertion. Remove all sets
+ of only_seen_white. Treat '\f' as hspace. Don't do anything
+ special with '\n' here.
+ (maybe_macroexpand): Handle T_EMPTY hash entries without
+ pushing a buffer at all.
+ (cpp_get_token): Handle clearing only_seen_white here. Handle
+ incrementing the line number here. Clear
+ potential_control_macro as well as only_seen_white, if
+ appropriate.
+ (cpp_get_non_space_token): Don't eat CPP_POP tokens.
+ (_cpp_get_define_token): New function, basically like
+ _cpp_get_directive_token was but doesn't eat horizontal space.
+ Don't do anything with only_seen_white here.
+ (_cpp_get_directive_token): Just call _cpp_get_define_token
+ repeatedly till it returns non-hspace.
+
+ * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
+ (conditional_skip, skip_if_group): Return int.
+ (DIRECTIVE_TABLE): Change origin of all conditional directives
+ to "COND".
+ (TRAD_DIRECT_P): New macro.
+ (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
+ an error for a bogus directive, unless -lang-asm. Use
+ TRAD_DIRECT_P. Loop calling handler functions till one returns
+ zero.
+ (get_macro_name): Don't diddle flags here.
+ (do_define): Diddle flags here. Use _cpp_get_directive_token.
+ Create T_EMPTY nodes for #define macro /* nothing */.
+ (do_undef): Don't copy the name. Use _cpp_get_directive_token.
+ Use hp->name when calling pass_thru_directive.
+ (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
+ Return the result of conditional_skip and/or skip_if_group.
+ Don't call _cpp_output_line_command.
+ (consider_directive_while_skipping): Use _cpp_get_directive_token.
+ Issue -Wtraditional warnings as appropriate. Don't complain
+ about unrecognized directives. If we are to stop skipping,
+ return the number of the directive that ended the skip.
+ (skip_if_group): Use _cpp_get_directive_token. Turn off macro
+ expansion and line commands while skipping. Return the result
+ of consider_directive_while_skipping, if nonzero.
+ (do_endif): Just set potential_control_macro here.
+ (validate_else): Use _cpp_get_directive_token.
+ (do_assert, do_unassert): Don't save pointers into the
+ token_buffer across calls to the lexer. Use
+ _cpp_get_directive_token.
+
+ * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
+ pointer, not an offset. Replace 'data', which was a generic
+ pointer, with 'macro', which points to a struct hashnode.
+ (cpp_reader): Add 'potential_control_macro' pointer.
+ * cpphash.h (T_UNUSED): Replace with T_EMPTY.
+ (CPP_BUF_GET, CPP_FORWARD): Delete.
+ (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
+ (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
+ ACTIVE_MARK_P): Update.
+ (_cpp_get_define_token): New internal function.
+ * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
+
+2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
+
+ * configure.in: And here.
+ * configure: Regenerate.
+ * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
+ --enable-libstdcxx-v3 is passed at configure time.
+ * config.h.in: Regenerate.
+
+2000-04-05 Mark Mitchell <mark@codesourcery.com>
+
+ * final.c (final): Use xcalloc to allocate line_note_exists.
+ * function.c (free_after_compilation): Free the temp_slots.
+ (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
+ (combine_temp_slot): Free temp_slots when they get combined.
+ (purge_addressof): Fix typo in comment.
+ * stmt.c (mark_goto_fixup): Mark the fixup itself.
+ (expand_fixup): Allocate the fixup with ggc_alloc_obj.
+
+ * ggc.h: Include varray.h.
+ (ggc_pending_trees): Declare.
+ (ggc_mark_tree_children): Remove declaration.
+ (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
+ * ggc-common.c (ggc_pending_trees): New variable.
+ (ggc_mark_roots): Call ggc_mark_trees.
+ (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
+ the ggc_pending_trees.
+ * Makefile.in (GGC_H): New variable. Use it throughout in place
+ of ggc.h.
+
+Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accommodate an unsigned
+ GET_MODE_SIZE.
+
+Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (sh_insn_length_adjustment): New function.
+ * sh-protos.h (sh_insn_length_adjustment): Declare.
+ * sh.h (ADJUST_INSN_LENGTH): Use it.
+
+Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
+ from the insn where REG_RETVAL is added.
+ (emit_no_conflict_block): Ditto.
+
+ * md.texi (Standard Names): Clarify when movX is needed.
+
+ * combine.c (simplify_comparison) [MINUS]: Do not replace
+ all (op (minus A B) 0) with (op A B).
+
+Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
+ J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (block_lump_real_i4): Add missing clobber of T_REG
+ (block_lump_real): Likewise.
+
+2000-04-05 Chris Demetriou <cgd@netbsd.org>
+
+ * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
+ remaining nonzero debugging masks.
+
+Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
+
+ * basic-block.h (verify_flow_info): Declare.
+ (flow_loop_outside_edge_p): Declare.
+ * flow.c (verify_flow_info): Remove declaration.
+ (clear_log_links, flow_loop_outside_edge_p): Likewise.
+
+Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
+
+ * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
+ not C++ comments.
+
+2000-04-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
+ snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
+ seqdi_zero_trunc+1): Allow splits only if registers are
+ different.
+
+2000-04-04 Ulrich Drepper <drepper@cygnus.com>
+
+ * acconfig.h: Add HAVE_GAS_HIDDEN.
+ * config.in: Regenerated.
+ * configure.in: Add test for .hidden pseudo-op in gas.
+ * configure: Regenerated.
+ * crtstuff.c: Include auto-host.h.
+ Emit additional .hidden pseudo-op for __dso_handle if the
+ assembler knows about it.
+
+2000-04-04 Philippe De Muyter <phdm@macqel.be>
+
+ * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
+ before freeing argnames.
+ * cpplib.c (do_ifndef): Cast return value of xstrdup.
+
+2000-04-05 Michael Meissner <meissner@redhat.com>
+
+ * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
+ Walton <jonboy@gordian.com> to make memory references with update
+ work wtih -mregnames.
+
+2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
+ (regrename_optimize): Rename variables `def_uses' and
+ `ext_basic_blocks' to avoid conflicts with similarly named
+ typedefs in traditional C.
+
+ * calls.c (initialize_argument_information): Fix typo in previous
+ change.
+
+2000-04-04 Richard Henderson <rth@cygnus.com>
+
+ * regrename.c (consider_available): Test fixed_regs not
+ PIC_OFFSET_TABLE_REGNUM.
+
+2000-04-04 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
+ crtend.
+ (CRTSTUFF_T_CFLAGS_S): Delete definition.
+ * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
+ (ENDFILE_LINUX_SPEC): Always use crtend.
+ * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
+ (powerpc-*-linux-gnu): Likewise.
+ * configure: Regenerate.
+
+ * config/rs6000/eabi.h: Don't include sysv4.h.
+ (MULTILIB_DEFAULTS): Don't define.
+ * config/rs6000/eabiaix.h: Don't include eabi.h.
+ * config/rs6000/eabile.h: Delete.
+ * config/rs6000/eabilesim.h: Delete.
+ * config/rs6000/eabisim.h: Don't include eabi.h.
+ * config/rs6000/linux.h: Don't include sysv4.h.
+ (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
+ (MULTILIB_DEFAULTS): Don't redefine.
+ * config/rs6000/rtems.h: Don't include eabi.h.
+ * config/rs6000/sol2.h: Don't include sysv4le.h.
+ * config/rs6000/sysv4le.h: Don't include sysv4.h.
+ * config/rs6000/t-ppc: Delete.
+ * config/rs6000/t-ppcgas: Correct comment.
+ * config/rs6000/t-ppcos: Correct comment. Don't build
+ multilibs for -fPIC, rather use -fPIC -mstrict-align
+ as default.
+ * config/rs6000/t-ppc: Delete.
+ * config/rs6000/vxppc.h: Don't include sysv4.h.
+ * config/rs6000/vxppcle.h: Delete.
+ * configure.in: Use multiple header files for p2pc ELF targets
+ powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
+ powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
+ powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
+ powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
+ always available for these platforms.
+
+2000-04-04 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
+
+2000-04-04 Stan Cox <scox@cygnus.com>
+
+ * Makefile.in: Add rules for regrename.o
+ * regrename.c: New file.
+ * rtl.h (regrename_optimize): Add prototype.
+ * toplev.c (rename_registers_dump, flag_rename_registers): New variables
+ (compile_file, decode_d_option): Add support for -frename-registers.
+ (rest_of_compilation): Call regrename_optimize.
+ * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
+ New macros.
+
+2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * Makefile (gccbug): New target.
+ (doc): Depend on it.
+ * gcc.texi (Bugs): Link subnodes.
+ (gccbug): New node.
+ * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
+ Document severities, priorities, and classes in bug form.
+
+2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplex.c (trigraph_map, speccase): Combine into single
+ table, chartab.
+ (NORMAL, NONTRI): New macros.
+ (_cpp_read_and_prescan): Change to use unified table. Use
+ is_hspace to test for whitespace.
+
+ * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
+ definition that doesn't provoke the "empty body in an
+ if-statement" warning.
+
+2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Force the source to
+ be a memory address.
+
+2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
+
+Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
+ ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
+ (ECF_IS_CONST): Rename to ECF_CONST.
+ (special_function_p): Make static, change interface.
+ (flags_from_decl_or_type, try_to_integrate): Break out from ...
+ (expand_call) ... here; convert number of variables to flags.
+ (emit_library_call_vlue_1): Likewise.
+ (setjmp_call_p): New function.
+ (initialize_argument_information): Accepts flags as argument;
+ return flags.
+ (precompute_arguments): Likewise.
+ * tree.h (special_function_p): Remove.
+ (setjmp_call_p): Add prototype.
+
+2000-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
+ so that addresses are offsetable by up to 16 bytes.
+ (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
+ non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
+ offsetable.
+
+ * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
+ (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
+ (movsf): Don't force any constant to memory if target is integer
+ hard register.
+ Move fp_zero_operand check below the const0_rtx check.
+ (movtf): Likewise. Also allow fp_zero_operand for stores into
+ memory.
+ (movdf): Likewise. Also allow fp_zero_operand for stores into
+ memory and into integer hard registers.
+ (clear_df, clear_dfp, movdf_const_intreg_sp32,
+ movdf_const_intreg_sp64): Remove.
+ (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
+ conditions.
+ (movdf_no_e_insn_v9_sp32): New pattern.
+ (movdf_insn_v9only): Remove.
+ (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
+ (movdf_insn_sp64): Remove.
+ (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
+ (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
+ (following splits): Rewrite conditions. Add two new splits
+ for storing 0.0 into memory and registers.
+ (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
+ (movtf_insn_sp32): Redo constraints and conditions.
+ (movtf_insn_vis_sp32): New pattern.
+ (movtf_no_e_insn_sp32): Redo constraints and conditions.
+ (movtf_insn_hq_sp64): Likewise.
+ (movtf_insn_hq_vis_sp64): New pattern.
+ (movtf_insn_sp64): Redo constraints and conditions.
+ (movtf_insn_vis_sp64): New pattern.
+ (movtf_no_e_insn_sp64): Redo constraints and conditions.
+ (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
+ or memory.
+ * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
+ -mvis or -m64 to take down the number of various reload patterns.
+
+Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/pa-64.h: New file.
+ * pa/pa64-regs.h: New file.
+ * pa/pa64-start.h: New file.
+ * pa/t-pa64: New file.
+ * pa/xm-pa64hpux.h: New file.
+
+2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.c (output_restore_regs): Prototype.
+ (sparc_emit_float_lib_cmp): Constification.
+
+ * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
+
+ * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
+ Prototype.
+
+ * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
+ (get_value_hash, hash_rtx): Likewise.
+
+ * ssa.c (compute_conservative_reg_partition): Prototype.
+
+ * tree.c (mark_hash_entry): Prototype.
+
+2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
+ * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
+ * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
+
+ * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
+ * objc/lang-specs.h: Likewise.
+
+2000-04-03 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
+ and SYNTAX_ERROR2. Replace `' in messages with ''.
+ (op_to_str): Make re-entrant.
+ (_cpp_parse_expr): Implement new error macros. Use | rather
+ than || to logically or 2 boolean integers. Simply expression
+ checking we have a left operand iff needed.
+
+2000-04-03 Nick Clifton <nickc@cygnus.com>
+
+ * Makefile.in (diagnostic.o): Depend upon diagnostic.c
+
+2000-04-03 Philip Blundell <philb@gnu.org>
+
+ * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
+
+2000-04-03 Felix Lee <flee@cygnus.com>
+
+ * fixinc/server.c (find_shell): New function. Avoid $SHELL.
+ (run_shell): Use it.
+
+2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
+
+ * Makefile.in (stmp-int-hdrs): Make include subdir here...
+ (stmp-fixproto): ...rather than here.
+
+Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * pa.c (print_operand): Compute 'base' only inside the code paths
+ that use it.
+
+2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
+
+ * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
+ CEIL_DIV_EXPR.
+
+2000-04-03 Philipp Thomas <pthomas@suse.de>
+
+ * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
+
+Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in (alias.o): Depend on $(TREE_H).
+
+2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_start_read): Turn off -Wtraditional if
+ processing C++.
+ * cpplib.c (_cpp_handle_directive): Improve warnings for
+ traditional C and indented directives.
+
+ * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
+ fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
+ fixinc/inclhack.def: Indent the # of #include_next one space.
+ * cp/rtti.c: Un-indent #if and #endif.
+
+ * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
+ syntax error, but an error has already been printed.
+ * cpplex.c (_cpp_parse_assertion): Give a more specific error
+ message when called with nothing remaining on the line.
+ (_cpp_lex_token): If _cpp_parse_assertion fails, return an
+ OTHER token, not an ASSERTION.
+ * cpplib.c (do_assert): When we create a 'base' node, clear
+ its aschain pointer.
+
+2000-04-02 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: New typedef op_t. struct operation and struct
+ token updated to use it.
+ (op_to_str): New function.
+ (_cpp_parse_expr): Error messages modified to use op_to_str.
+
+2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
+ before checking MUST_PASS_IN_STACK.
+
+2000-04-02 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: New FINISHED dummy token. Combine operator initial
+ flags and initial priority into a single constant. New
+ EQUALITY macro. New operator flag SHORT_CIRCUIT.
+ (_parse_cpp_expr): Implement new constants. Take left operand
+ checks out of reduction loop. Handle SHORT_CIRCUIT. End of
+ parse indicated by reducing FINISHED token. Remove new lines
+ from cpp_error messages.
+
+2000-04-01 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
+ permanent obstack.
+
+2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c: Include symcat.h. Add 'origin' field to struct
+ directive. Add origin values to DIRECTIVE_TABLE. Generate
+ the strings and function names on the fly. Take the #sccs
+ entry out of the table if SCCS_DIRECTIVE is not defined.
+ (_cpp_handle_directive): Decide if the # was at the beginning
+ of the line here. Issue -pedantic warnings for extended
+ directives here. Warn about K+R directives with the #
+ indented, and C89/extended directives with the # not indented,
+ here.
+ (do_import, do_include_next, do_warning, do_ident, do_sccs,
+ do_assert, do_unassert): Don't issue pedantic warning here.
+
+ * cpphash.h: Add CPP_WTRADITIONAL macro.
+ * cpplib.h (struct cpp_options): Rename warn_stringify to
+ warn_traditional; update comments.
+ * cppinit.c (handle_option): Set warn_traditional not
+ warn_stringify.
+ * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
+ CPP_WTRADITIONAL (pfile).
+ * cpplex.c (_cpp_lex_token): Don't decide if directives should
+ be ignored in -traditional mode here.
+
+ * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
+ to initialize speccase[] and trigraph_map[]. Delete all
+ references to pfile->input_speccase. Always treat '?' as a
+ special character. Remove table-initialization code from
+ _cpp_init_input_buffer.
+
+ * cpplib.h (struct cpp_reader): Remove input_speccase field.
+ * cppinit.c (cpp_cleanup): Don't free input_speccase.
+
+2000-04-01 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
+ (mostlyclean): Likewise.
+
+ * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
+ (struct dump_file_info, enum dump_file_index, dump_file): New.
+ (open_dump_file): Take a dump_file_index not a suffix, and a decl
+ not a string. Clean out file if we haven't yet done so. Do nothing
+ if the dump isn't enabled.
+ (close_dump_file): Do nothing if the dump isn't open. Dump
+ graph data if requested.
+ (dump_rtl, clean_dump_file): Remove.
+ (compile_file): Don't clean the dump files. Only finalize .bp dump
+ if flag_test_coverage or flag_branch_probabilities. Only finalize
+ .combine dump if optimizing. Iterate over dump_file to finalize the
+ graph dumps.
+ (rest_of_compilation): Update for open_dump_file/close_dump_file.
+ Convert all uses of dump_rtl.
+ (decode_d_option): Iterate over dump_file to implement 'a' and to
+ locate pass-specific dumps.
+
+2000-04-01 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: Redefine priority constants.
+ (_cpp_parse_expr): Replace left and right priority scheme with
+ single priority logic. Move LOGICAL to same place as COMPARE.
+ Remove bogus check for multiple unary +/- operators.
+
+2000-04-01 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
+ within the switch statement. Binary operations break out of
+ the switch naturally. '(' tokens handled by forcing
+ immediate shift. ')' handled by forcing immediate reduce to
+ the previous '('. New error messages.
+
+2000-03-31 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
+ part', it's already in use. Use %K instead. Add a return at the
+ end of what is now %K.
+ * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
+
+Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_apply): Pass proper parameters to
+ allocate_dynamic_stack_space.
+ * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
+ update stack_pointer_delta; do not update arg_size_so_far.
+ (compute_argument_block_size): Use stack_delta instead of
+ stack_pointer_pending and arg_size_so_far.
+ (expand_call): Add sanity checking for stack_pointer_delta;
+ save and restore stack_pointer_delta for SIB, use
+ stack_pointer_delta for alignment; do not update arg_space_so_far.
+ (emit_library_call_value): Use stack_pointer_delta for alignment.
+ (store_one_arg): Do not update arg_space_so_far.
+ * explow.c (adjust_stack, anti_adjust_stack): Update
+ stack_pointer_delta.
+ (allocate_dynamic_stack_space): Add sanity checking for
+ stack_pointer_delta.
+ * expr.c (init_expr, clear_pending_stack_adjust): Clear
+ stack_pointer_delta.
+ (emit_push_insn): Update stack_pointer_delta.
+ * function.h (struct expr_status): Add x_stack_pointer_delta;
+ remove x_arg_space_so_far.
+ (arg_space_so_far): Remove.
+ (stack_pointer_delta): New macro.
+
+2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h: Merge struct cpp_options into struct cpp_reader.
+ Reorder struct cpp_options and struct cpp_reader for better
+ packing. Replace CPP_OPTIONS macro with CPP_OPTION which
+ takes two args. Change all 'char' flags to 'unsigned char'.
+ Move show_column flag into struct cpp_options. Don't
+ prototype cpp_options_init.
+ * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
+ cppinit.c, cpplex.c, cpplib.c:
+ Replace CPP_OPTIONS (pfile)->whatever with
+ CPP_OPTION (pfile, whatever), and likewise for
+ opts = CPP_OPTIONS (pfile); ... opts->whatever;
+
+ * cppinit.c (merge_include_chains): Take a cpp_reader *.
+ Extract CPP_OPTION (pfile, pending) and work with that
+ directly.
+ (cpp_options_init): Delete.
+ (cpp_reader_init): Turn on on-by-default options here.
+ Allocate the pending structure here.
+ (cl_options, enum opt_code): Define these from the same table,
+ kept in a large macro. Add -fshow-column and -fno-show-column
+ options.
+
+ * cpperror.c (v_message): If show_column is off, don't print
+ the column number.
+
+ * cppmain.c: Update for new interface.
+ * fix-header.c: Likewise.
+
+2000-03-30 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
+ definition.
+ * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
+ are passed to any invocation of AR_FOR_TARGET.
+ (AR_CREATE_FOR_TARGET): New macro.
+ (AR_EXTRACT_FOR_TARGET): New macro.
+ (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
+ AR_EXTRACT_FOR_TARGET.
+ (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
+ in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
+ `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
+ AR_EXTRACT_FOR_TARGET to sub-makes.
+
+2000-03-31 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c: Delete SKIP_OPERAND. Correct priority
+ PAREN_INNER_PRIO.
+ (_cpp_parse_expr): Check for multiple unary +/- operators.
+ Correct priorities of ':' and '?'. Treat ')' as having a
+ value. Ensure conditional expression is not void.
+
+2000-03-31 Mark Mitchell <mark@codesourcery.com>
+
+ * alias.c (canon_rtx): Make it global.
+ (rtx_equal_for_memref_p): CONST_INT equality is now pointer
+ equality.
+ * cse.c (struct table_elt): Add canon_exp.
+ (insert): Clear it.
+ (invalidate): Canonicalize expressions only once.
+ * rtl.h (canon_rtx): Declare.
+
+2000-03-30 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
+ * alias.c (reg_known_value): Add comments.
+ (init_alias_analysis): Likewise.
+ * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
+ address.
+ (cse_basic_block): Fix typo in comment.
+ * emit-rtl.c: Include hashtab.h.
+ (const_int_htab): New variable.
+ (const_int_htab_hash): New function.
+ (const_int_htab_eq): Likewise.
+ (rtx_htab_mark_1): Likewise.
+ (rtx_htab_mark): Likewise.
+ (gen_rtx_CONST_INT): Cache all CONST_INTs.
+ (unshare_all_rtx): Fix formatting.
+ (init_emit_once): Initialize const_int_htab.
+ * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
+ address.
+ * rtl.texi: Document the fact that all CONST_INTs with the same
+ value are shared.
+
+2000-03-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
+
+2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Comment out --enable-c-cpplib stanza.
+ * configure: Regenerate.
+
+Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): Properly compute displacement and
+ alignment when offset is variable.
+
+ * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
+ cases of alignment in bytes.
+
+Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
+
+ * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
+ since it is used to generate c-parse.y.
+ * objc-parse.c, objc-parse.y: Regenerated.
+
+ * function.c (expand_function_end): Pass alignment argument to
+ emit_block_move in bits, not bytes.
+
+Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (move_by_pieces_ninsns): Fix one more missing align
+ correction.
+
+ * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
+
+ * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
+ * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
+ * function.c (assign_parms): Likewise.
+ * integrate.c (expand_inline_function): Likewise.
+ * stmt.c (expand_decl): Likewise.
+ (copy_rtx_and_substitute): Likewise.
+ * expr.c (expand_expr, expand_expr_unaligned): Likewise.
+ (clear_by_pieces): Fix error in last change.
+ * emit-rtl.c (init_emit): Set known registers alignment in bits.
+ * function.h (regno_pointer_align): Now unsigned.
+ * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
+ is in bits.
+ * config/i386/i386.c (aligned_operand): Likewise.
+ * config/sparc/sparc.c (mem_min_alignment): Likewise.
+ * config/alpha/alpha.c (aligned_memory_operand): Likewise.
+ (unaligned_memory_operand): Likewise.
+ (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
+ Also make alignments and sizes unsigned and some whitespace cleanup.
+ (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
+
+ * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
+ (expand_builtin_apply): Pass alignment to emit_block_move in bits.
+ (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
+ (expand_builtin_memset): Likewise, but to clear_storage.
+ * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
+ (restore_fixed_argument_area): Likewise.
+ (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
+ (load_register_parameters): Likewise, to emit_group_load.
+ (expand_call): Likewise, to emit_group_store and emit_block_move.
+ (emit_library_call_value_1): Likewise, to emit_block_move.
+ (store_one_arg): Likewise, and to emit_push_insn.
+ * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
+ (extract_fixed_bit_field, extract_split_bit_field): Likewise.
+ * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
+ (emit_block_move, emit_group_load, emit_group_store): Likewise.
+ (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
+ (expand_assigment, store_expr, store_constructor_field): Likewise.
+ (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
+ (store_constructor, store_field, get_inner_reference): Likewise.
+ Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
+ (expand_expr, case COMPONENT_REF): Likewise.
+ (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
+ and positions; reindent code.
+ * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
+ * function.c (purge_addressof_1): Pass bit align to store_bit_field.
+ (assign_parms): Likewise to emit_group_store.
+ * optabs.c (prepare_cmp_insn): Alignment is in bits.
+ (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
+ * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
+ (expand_return): Likewise to {extract,store}_bit_field.
+ * stor-layout.c (get_mode_alignment): Minor cleanup.
+ * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
+ * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
+
+2000-03-29 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h: Undo effects of previous delta:
+ (ASM_SPEC): Do not define.
+ (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
+
+ * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
+ typo.
+
+2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_start_read): Call initialize_dependency_output
+ only after reading in the primary source file.
+
+2000-03-29 Geoff Keating <geoffk@cygnus.com>
+
+ * c-common.c (c_common_nodes_and_builtins): The first parameter to
+ __builtin_va_start and __builtin_va_copy is now either a 'va_list'
+ or a reference to a va_list.
+ * builtins.c (stabilize_va_list): Simplify now we don't have to
+ work around C array address decay.
+ * c-typeck.c (convert_for_assignment): Handle assignment to
+ a reference parameter by taking the address of the RHS.
+ * ginclude/stdarg.h (va_start): Don't take address of first parameter.
+ (va_copy): Likewise.
+ (__va_copy): Likewise.
+ * ginclude/varargs.h (va_start): Likewise.
+ (__va_copy): Likewise.
+
+Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * i386/djgpp.h: Remove extraneous "+".
+
+ * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
+
+ * calls.c (expand_call): Fix typo in last change.
+
+2000-03-29 Jason Merrill <jason@casey.cygnus.com>
+
+ * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
+ been expanded.
+
+Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
+ (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
+ (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
+ * tree.c (bit_position, byte_position): Likewise.
+ * tree.h: Declare new functions.
+
+2000-03-29 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Minor formatting changes/
+ * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
+ already defined.
+ (ASM_SPEC): Define if not already defined.
+
+2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (cpp_read_file): Don't pass zero-length string to
+ _cpp_calc_hash.
+
+2000-03-29 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
+ value, don't output it as unsigned.
+
+Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
+
+ * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
+
+2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (c_common_nodes_and_builtins): Don't special case
+ cplus_mode when declaring builtin bzero/bcmp, always avoid
+ prototype arguments.
+
+2000-03-29 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
+ to a non-file
+
+Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ Convert ACCUMULATE_OUTGOING_ARGS to an expression.
+ * calls.c (PUSH_ARGS_REVERSED) Change to expression.
+ (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
+ (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
+ (save_fixed_argument_area, restore_fixed_argument_area):
+ conditionize by #ifdef REG_PARM_STACK_SPACE only.
+ (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
+ to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
+ (precompute_register_parameters): Avoid #ifdefs on
+ ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
+ (stire_one_args): Likewise.
+ (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
+ (emit_library_call_value_1): Likewise.
+ (compute_argument_block_size): Align to STACK_BOUNDARY only for
+ ACCUMULATE_OUTGOING_ARGS.
+ * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
+ value.
+ (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
+ (use_crosses_set_p): Likewise.
+ * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
+ #define ACCUMULATE_OUTGOING_ARGS 1.
+ * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
+ frames.
+ * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
+ constants.
+ (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
+ (TARGET_SWITCHES): Add push-args, no-push-args,
+ accumulate-outgoing-args and no-accumulate-outgoing-args.
+ (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
+ * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
+ (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
+ and PUSH_ROUNDING.
+ (emit_push_insn): Likewise.
+ * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
+ (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
+ * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
+ (STACK_DYNAMIC_OFFSET): Define correctly for both
+ ACCUMULATE_OUTGOING_ARGS and normal mode.
+ * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
+ * tm.texi (PUSH_ARGS): Document.
+ (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
+
+Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
+
+ * flags.h (flag_optimize_sibling_calls): Declare.
+ * calls.c (expand_call): Fail sibcall when
+ !flag_optimize_sibling_calls
+ * invoke.texi (flag_optimize_sibling_calls): Document.
+ * toplev.c (flag_optimize_sibling_calls): New global variable.
+ (f_options): Add flag_optimize_sibling_calls.
+ (rest_of_compilation): Conditionize
+ optimize_sibling_and_tail_recursive_calls by
+ flag_optimize_sibling_calls.
+ (main): Set flag_optimize_sibling_calls for -O2.
+ * stmt.c (expand_return): Conditionize tail recursion by
+ flag_optimize_sibling_calls.
+
+2000-03-29 Richard Henderson <rth@cygnus.com>
+
+ * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
+ (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
+
+2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
+
+ * except.c (add_eh_table_entry): Mark type_info's as referenced.
+
+2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
+ is given.
+ * config/rs6000/aix43.h (CPP_SPEC): Likewise.
+ * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
+ * config/rs6000/aix.h: then modified likewise.
+
+2000-03-28 Richard Henderson <rth@cygnus.com>
+
+ * rtl.h: Redistribute enum reg_note documentation.
+ Kill trailing whitespace.
+ * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
+ Kill trailing whitespace.
+
+2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (hash_IHASH): Just return i->hash.
+ (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
+ htab_find_with_hash.
+ (cpp_read_file): Likewise.
+ (find_include_file): Likewise. Properly initialize
+ ih->nshort. Share ih->name and ih->nshort if possible.
+ * cpphash.c (_cpp_calc_hash): New function.
+ (hash_HASHNODE): Just return h->hash.
+ (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
+ htab_find_with_hash.
+ * cpphash.h: Prototype _cpp_calc_hash.
+ * cppinit.c (initialize_builtins): Provide a valid hash
+ to _cpp_make_hashnode, using _cpp_calc_hash.
+
+ * cpphash.c (collect_expansion): # is not a special character
+ in object-like macros. In -traditional mode, /**/ is not
+ token paste at the beginning or end of the line.
+ * cpplib.c (do_include, do_import, do_include_next): If
+ parse_include fails, return immediately.
+
+2000-03-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * config/arm/arm.md (return peepholes): Update to reflect the new
+ call insn patterns.
+ * config/arm/arm.c (arm_volatile_func): Also check
+ current_function_nothrow.
+ (output_return_instruction, output_func_prologue): Use it.
+ (arm_output_epilogue, arm_expand_prologue): Likewise.
+
+2000-03-27 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (handle_braces): In {x*...} case, break out of loop if
+ switch is found.
+
+Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): SIZE now signed.
+ For EXPR_SIZE, don't evaluate size; just needed if constant.
+ * fold-const.c (fold): Fix a number of cases when folded tree is
+ wrong type.
+ * function.c (flush_addressof): Reenable.
+ * tree.h (flush_addressof): Likewise.
+ * toplev.c (independent_decode_option): Look at strings_processed.
+ * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
+
+Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
+
+ * sibcall.c (identify_call_return_value): Find last call in the chain;
+ Allow stack adjustment after function call.
+
+ * regmove.c (struct csa_memlist): Make mem field rtx *.
+ (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
+ (try_apply_stack_adjustment): Replace whole MEM rtx.
+ (combine_stack_adjustments_for_block): Update calls
+ to record_one_stack_ref.
+
+2000-03-28 Neil Booth <NeilB@earthling.net>
+
+ * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
+ '\\' rather than a null character, so nulls are not special. Fix
+ "\\\n" handling in end-of-buffer conditions. Use trigraph map to
+ speed trigraph conversion.
+ (_cpp_init_input_buffer): Initialize trigraph map.
+
+2000-03-27 Alan Modra <alan@linuxcare.com.au>
+
+ * config/i386/i386.c (output_387_binary_op): Correct intel
+ mode assembly output, and add spaces after commas in AT&T
+ output. Correct Unixware assembler comment. Document input
+ constraints. Comment fp operations. Reduce profligate buffer
+ size. Remove extraneous abort. Localize temp var.
+ (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
+ (output_fix_trunc): Add spaces after commas in assembly output.
+
+2000-03-27 Richard Henderson <rth@cygnus.com>
+
+ * i386-protos.h (ix86_match_ccmode): Declare.
+ * i386.c (ix86_match_ccmode): New.
+ (ix86_expand_fp_compare): Update for pattern renames.
+ (ix86_expand_strlensi_unroll_1): Likewise.
+ * i386.h (EXTRA_CC_MODES): Add CCZ.
+ (SELECT_CC_MODE): Use it for EQ/NE zero.
+ * i386.md (cmpsi_ccz_1): New.
+ (cmpqi_ccz_1): New.
+ (*testsi_ccz_1): New.
+ (testqi_ccz_1): New.
+ (cmpsi_ccno_1): Rename from cmpsi_0.
+ (testsi_ccno_1): Rename from testsi_1.
+ (testqi_ccno_1): Rename from testqi_1.
+ (*testqi_ext_ccz_0): Rename from testqi_ext_0.
+ (testqi_ext_ccno_0): Rename from *testqi_ext_1.
+ (*cmphi_0): Use ix86_match_ccmode.
+ (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
+ (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
+ (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
+ (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
+ (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
+ (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
+ (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
+ (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
+ (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
+ (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
+ (appropriate peepholes): Likewise.
+ (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
+ (*subsi_3, *subhi_3, *subqi_3): Remove.
+ (*negdi2_1+1 splitter): Use CCZ for neg patterns.
+ (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
+ (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
+ (*neghi2_cmpz, *negqi2_cmpz): Similarly.
+ (x86_shift_adj_1): Use CCZ.
+ (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
+
+2000-03-27 Stan Cox <scox@cygnus.com>
+
+ * resource.h (mark_resource_type): New.
+ * resource.c (find_dead_or_set_registers, mark_target_live_regs,
+ find_free_register): Use mark_resource_type.
+ (mark_set_resources): Change include_delayed_effects
+ to mark_resource_type.
+ * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
+ redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
+ Use mark_resource_type.
+
+2000-03-27 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (call_pop_0, call_value_pop_0): New.
+ (call_pop_1): Remove constraint from unused arg. Support sibcalls.
+ (call_value_pop_1): Likewise.
+ (call_0, call_value_0): New.
+ (call_1, call_value_1): Remove constraint from unused arg.
+
+2000-03-27 Nick Clifton <nickc@cygnus.com>
+
+ * invoke.texi (Spec Files): Document new spec % command created by
+ Tom Tromey's recent patch.
+
+2000-03-27 Jakub Jelinek <jakub@redhat.com>
+
+ * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
+ if not defined.
+
+Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_assignment): Fix typo in last change.
+
+ * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
+
+Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-convert.c (convert): Return if output or input type is ERROR_MARK.
+ * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
+ and DECL_INLINE if FUNCTION_DECL.
+ (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
+ (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
+ Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
+ (combine_parm_decls): Likewise.
+ * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
+ * print-tree.c (print_node): Likewise.
+ Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
+ DECL_TRANSPARENT_UNION on proper decl types.
+ Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
+ * stor-layout.c (layout_decl): Only check DECL_PACKED and
+ DECL_BIT_FIELD of FIELD_DECL.
+ * tree.h (DECL_RESULT_FLD): New macro.
+
+ * expr.c (expand_assignment): Add code to handle variable-sized
+ BLKmode case.
+
+2000-03-26 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Pass parms not original exp to
+ optimize_tail_recursion. Mind return value instead of looking
+ for a barrier.
+ * stmt.c (optimize_tail_recursion): Take parameter list, not entire
+ call_expr. Move checks for call_expr and current_function_decl ...
+ (expand_return): ... here.
+
+2000-03-26 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (handle_braces): Recognize `%{<S}' construct.
+ (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
+ defines.
+ (process_command): Use them.
+ (check_live_switch): Likewise.
+ (give_switch): Skip ignored switches.
+
+2000-03-26 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (jump_optimize_1): Fix typo in elide optimizations
+ for minimal jump pass test.
+
+2000-03-26 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (function_cannot_inline_p): Do inline functions that
+ return `void'.
+
+Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (layout_type, set_sizetype): early_type_list is
+ now a list of TREE_LIST entries, not types.
+ * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
+
+ * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
+ * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
+ int_bit_position.
+ * config/mips/mips.c (function_arg): Likewise; also remove cast
+ and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
+ (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
+ * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
+ * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
+ (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
+ (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
+ (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
+ (struct mips_arg): arg_number, arg_words, fp_arg_words, and
+ num_adjusts now unsigned.
+ (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
+ * config/sparc/sparc.c (struct function_arg_record_value_parms):
+ NREGS now unsigned.
+ (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
+ as is BITPOS variable; use host_integerp and int_bit_position.
+ (function_arg_record_value_2): Likewise.
+ (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
+ Variable REGNO now unsigned.
+ (function_arg_record_value): NREGS now unsigned.
+
+2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
+
+Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Rework fields used to describe positions of bitfields and
+ modify sizes to be unsigned and use HOST_WIDE_INT.
+ * alias.c (reg_known_value_size): Now unsigned.
+ * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
+ (really_start_incremental_init): Use bitsize_zero_node.
+ (push_init_level, pop_init_level, output_init_element): Likewise.
+ Use bitsize_unit_node and bitsize_one_node.
+ (output_pending_init_elements, process_init_element): Likewise.
+ * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
+ (make_extraction): Position and length HOST_WIDE_INT and unsigned
+ HOST_WIDE_INT, respectively.
+ (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
+ (num_sign_bit_copies): Returns unsigned.
+ BITWIDTH now unsigned; rework arithmetic.
+ Remove recursive call from arg to MAX.
+ (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
+ (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
+ REGNO now unsigned.
+ (set_nonzero_bit_and_sign_copies): NUM now unsigned.
+ (find_split_point, expand_compound_operation, make_extraction): LEN
+ now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
+ (make_field_assignment): Likewise.
+ (combine_simplify_rtx): Add cast.
+ (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
+ (force_to_mode): WIDTH now unsigned; add cast.
+ (if_then_else_cond): SIZE now unsigned.
+ (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
+ (extended_count): Now returns unsigned.
+ (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
+ Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
+ (simplify_comparison): MODE_WIDTH now unsigned.
+ (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
+ (mark_used_regs_combine): Likewise; rework arithmetic.
+ (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
+ (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
+ (record_promoted_value): REGNO now unsigned.
+ (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
+ (get_last_value): REGNO now unsigned.
+ (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
+ (reg_dead_regno, reg_dead_endregno): Now unsigned.
+ (remove_death): Arg REGNO now unsigned.
+ (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
+ (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
+ now unsigned.
+ * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
+ * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
+ (struct cse_reg_info): REGNO now unsigned.
+ (cached_regno): Now unsigned.
+ (REGNO_QTY_VALID_P): Add cast.
+ (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
+ (remove_invalid_regs): Likewise.
+ (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
+ as are variables END and I.
+ (get_cse_reg_info, insert): Likewise.
+ (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
+ (canon_hash): Likewise.
+ (insert_regs, lookup_for_remove): REGNO now unsigned.
+ (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
+ New variable RN.
+ * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
+ * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
+ * emit-rtl.c (subreg_realpart_p): Add cast.
+ (operand_subword): Arg I is now unsigned as is var PARTWORDS.
+ (operand_subword_force): Arg I is now unsigned.
+ * except.c (eh_regs): Variable I is now unsigned.
+ * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
+ * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
+ length is unsigned HOST_WIDE_INT; likewise for internal variables.
+ (store_split_bit_field, extract_fixed_bit_field): Likewise.
+ (extract_split_bit_field, store_bit_field, extract_bit_field):
+ Likewise.
+ * expr.c (store_constructor_fields, store_constructor, store_field):
+ Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
+ (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
+ (do_jump): Likewise.
+ (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
+ MAX_SIZE is now unsigned.
+ (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
+ (emit_group_store): Likewise.
+ (emit_move_insn): I now unsigned.
+ (store_constructor): Use host_integerp, tree_low_cst, and
+ bitsize_unit_node.
+ (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
+ Rework all calculations to use trees and new fields.
+ * expr.h (promoted_input_arg): Regno now unsigned.
+ (store_bit_field, extract_bit_field): Adjust types of pos and size.
+ (mark_seen_cases): Arg is HOST_WIDE_INT.
+ * flow.c (verify_wide_reg_1): REGNO now unsigned.
+ * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
+ precisions and alignments are unsigned.
+ (optimize_bit_field_compare, fold_truthop): Likewise.
+ (int_const_binop): Adjust threshold for size_int_type_wide call.
+ (fold_convert): Likewise.
+ (size_int_type_wide): Make table larger and fix thinko that only
+ had half of table used.
+ (all_ones_mask_p, fold): Precisions are unsigned.
+ * function.c (put_reg_info_stack): REGNO is unsigned.
+ (instantiate_decl): Size is HOST_WIDE_INT.
+ (instantiate_virtual_regs): I is unsigned.
+ (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
+ (promoted_input_arg): REGNO is unsigned.
+ * function.h (struct function): x_max_parm_reg is now unsigned.
+ * gcse.c (max_gcse_regno): Now unsigned.
+ (struct null_pointer_info): min_reg and max_reg now unsigned.
+ (lookup_set, next_set): REGNO arg now unsigned.
+ (compute_hash_table): REGNO and I now unsigned.
+ (handle_avail_expr): regnum_for_replacing now unsigned.
+ (cprop_insn): REGNO now unsigned.
+ (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
+ * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
+ * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
+ * hard-reg-set.h (reg_class_size): Now unsigned.
+ * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
+ * jump.c (mark_modified_reg): I now unsigned; add cast.
+ (rtx_equal_for_thread_p): Add cast.
+ * loop.c (max_reg_before_loop): Now unsigned.
+ (struct_movable): REGNO now unsigned.
+ (try_copy_prop): REGNO arg unsigned.
+ (regs_match_p): XN and YN now unsigned.
+ (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
+ (strength_reduce): Likewise; NREGS also unsigned.
+ (first_increment_giv, last_increment_giv unsigned): Now unsigned.
+ * loop.h (struct iv_class): REGNO now unsigned.
+ (max_reg_before_loop, first_increment_giv, last_increment_giv):
+ Now unsigned.
+ * machmode.h (mode_size, mode_unit_size): Now unsigned.
+ (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
+ * optabs.c (expand_binop): I and NWORDS now unsigned.
+ (expand_unop): I now unsigned.
+ * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
+ print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
+ * real.c (significand_size): Now returns unsigned.
+ * real.h (significand_size): Likewise.
+ * regclass.c (reg_class_size): Now unsigned.
+ (choose_hard_reg_mode): Both operands now unsigned.
+ (record_reg_classes): REGNO and NR now unsigned.
+ (reg_scan): NREGS now unsigned.
+ (reg_scan_update): old_max_regno now unsigned.
+ (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
+ * reload.c (find_valid_class): BEST_SIZE now unsigned.
+ (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
+ (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
+ Likewise for variable R.
+ (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
+ as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
+ (find_equiv_reg): Add casts.
+ (regno_clobbered_p): Arg REGNO now unsigned.
+ * reload.h (struct reload): NREGS now unsigned.
+ (refers_to_regno_for_reload_p): Regno args are unsigned.
+ (regno_clobbered_p): Likewise.
+ * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
+ (compute_use_by_pseudos): REGNO now unsigned.
+ (find_reg): I and J now unsigned, new variable K, and change loop
+ variables accordingly; THIS_NREGS now unsigned.
+ (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
+ (spill_hard_reg): REGNO arg now unsigned; add casts.
+ (forget_old_reloads_1): REGNO, NR, and I now unsigned.
+ (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
+ (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
+ END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
+ (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
+ (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
+ (emit_reload_insns): REGNO now unsigned.
+ (reload_cse_move2add): Add cast.
+ (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
+ and rework loop.
+ * resource.c (mark_referenced_resources, mark_set_resources): New
+ variable R; REGNO and LAST_REGNO now unsigned.
+ (mark_target_live_regs): J and REGNO now unsigned.
+ * rtl.c (mode_size, mode_unit_size): Now unsigned.
+ * rtl.h (union rtunion_def): New field rtuint.
+ (XCUINT): New macro.
+ (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
+ (operand_subword, operand_subword_force): Word number is unsigned.
+ (choose_hard_reg_mode): Operands are unsigned.
+ (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
+ (find_regno_note, find_regno_fusage, replace_regs): Likewise.
+ (regno_use_in, combine_instructions, remove_death): Likewise.
+ (reg_scan, reg_scan_update): Likewise.
+ (extended_count): Return is unsigned.
+ * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
+ INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
+ (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
+ (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
+ (reg_reg_last_1): FIRS and LAST now unsigned.
+ (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
+ (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
+ now unsigned.
+ (find_regno_note, regno_use_in): Arg REGNO now unsigned.
+ (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
+ (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
+ (replace_regs): Arg NREGS now unsigned.
+ * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
+ * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
+ (simplify_binary_operation): Likewise.
+ (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
+ THIS_LAST now unsigned.
+ (cselib_record_set): Add cast.
+ * ssa.c (ssa_max_reg_num): Now unsigned.
+ (rename_block): REGNO now unsigned.
+ * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
+ sizes now unsigned.
+ (all_cases_count): Just return -1 not -2.
+ COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
+ Rework tests to use trees whenever possible.
+ Use host_integerp and tree_low_cst.
+ (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
+ Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
+ (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
+ * stor-layout.c (mode_for_size): SIZE arg now unsigned.
+ (smallest_mode_for_size): Likewise.
+ (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
+ KNOWN_ALIGN is now an alignment, so simplify code.
+ Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
+ (start_record_layout): Renamed from new_record_layout_info.
+ Update to new fields.
+ (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
+ New functions.
+ (place_union_field): Renamed from layout_union_field.
+ Update to use new fields in rli.
+ (place_field): Renamed from layout_field.
+ Major rewrite to use new fields in rli; pass alignment to layout_decl.
+ (finalize_record_size): Rework to use new fields in rli and handle
+ union.
+ (compute_record_mode): Rework to simplify and to use new DECL fields.
+ (finalize_type_size): Make rounding more consistent.
+ (finish_union_layout): Deleted.
+ (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
+ (layout_type, case RECORD_TYPE): Call new function names.
+ (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
+ (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
+ (get_best_mode): UNIT is now unsigned; remove casts.
+ * tree.c (bit_position): Compute from new fields.
+ (byte_position, int_byte_position): New functions.
+ (print_type_hash_statistics): Cast to remove warning.
+ (build_range_type): Use host_integerp and tree_low_cst to try to hash.
+ (build_index_type): Likewise; make subtype of sizetype.
+ (build_index_2_type): Pass sizetype to build_range_type.
+ (build_common_tree_nodes): Use size_int and bitsize_int to
+ initialize nodes; add bitsize_{zero,one,unit}_node.
+ * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
+ (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
+ (DECL_PACKED, DECL_BIT_FIELD): Likewise.
+ (DECL_FIELD_BITPOS): Deleted.
+ (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
+ (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
+ (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
+ (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
+ (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
+ (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
+ (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
+ (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
+ (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
+ (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
+ (DECL_ALIGN): Adjust to new field in union.
+ (DECL_OFFSET_ALIGN): New field.
+ (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
+ (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
+ (union tree_decl): Add struct for both aligns.
+ (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
+ (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
+ (struct record_layout_info): Rework fields to have offset
+ alignment and byte and bit position.
+ (start_record_layout, place_field): Renamed from old names.
+ (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
+ (byte_position, int_byte_position): Likewise.
+ (get_inner_reference): Change types of position and length.
+ * unroll.c (unroll_loop): New variable R; use for some loops.
+ MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
+ (calculate_giv_inc): Arg REGNO now unsigned.
+ (copy_loop_body): REGNO and SRC_REGNO now unsigned.
+ * varasm.c (assemble_variable): Clean up handling of size using
+ host_integerp and tree_low_cst.
+ (decode_addr_const): Use byte, not bit, position.
+ (output_constructor): bitpos and offsets are HOST_WIDE_INT;
+ use tree_low_cst and int_bit_position.
+ * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
+
+Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
+ (reorder_block_def): New members eff_head and eff_end.
+ (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
+ (verify_insn_chain): New function.
+ (skip_insns_between_block): Add code to skip deleted insns.
+ Check for note before using.
+ (chain_reorder_blocks): Replace calls to skip_insns_between_block
+ with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
+ Check for note before using.
+ (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
+ (fixup_reorder_chain): Restructure, clean up, defect removal.
+ (reorder_basic_blocks): Remove last_insn and references to it.
+ Moved insn chain verification code into a new function (see above).
+ Delete defective code that sets last insn.
+ Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
+ all blocks.
+
+2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
+
+2000-03-24 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (lang_safe_for_unsave): Remove.
+ (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
+ allowing for two levels of unsafeness. Remove lang hook.
+ * tree.h: Update declarations.
+ * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
+ Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
+ Always fail sibcalls when there are pending cleanups.
+
+2000-03-24 Geoff Keating <geoffk@cygnus.com>
+
+ * flow.c (propagate_block): When we delete an ADDR_VEC,
+ also delete the BARRIER following it if there is one.
+
+2000-03-24 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_bzero): Convert `length' argument
+ to sizetype.
+
+2000-03-24 Jakub Jelinek <jakub@redhat.com>
+
+ * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
+ comparison if regno's are equal.
+ * calls.c (initialize_argument_informat): Add ecf_flags argument.
+ Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
+ (expand_call): Update caller.
+ Avoid making a sibling call if argument size of the callee is larger
+ than argument size of the caller.
+ Call hard_function_value with outgoing set if in sibcall pass.
+ Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
+
+ * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
+ Change LEAF_REGISTERS from an array initializer to actual array
+ identifier. Move static global variable into the function.
+ (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
+ sequences for leaf functions.
+ * global.c (global_alloc): Likewise.
+ * tm.texi (LEAF_REGISTERS): Update documentation.
+
+ * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
+ TARGET_FLAT leaf disabling hack.
+ (LEAF_REGISTERS): Changed from an array initializer to actual array
+ identifier to avoid duplication and remove the above hack.
+ (FUNCTION_OK_FOR_SIBCALL): Define.
+ * config/sparc/sparc.md (sibcall): New attr type. Use it almost
+ always like call attribute.
+ (eligible_for_sibcall_delay): New attribute.
+ (sibcall): New delay type.
+ (sibcall, sibcall_value, sibcall_epilogue): New expands.
+ (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
+ sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
+ * config/sparc/sparc.c (sparc_leaf_regs): New array.
+ (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
+ New functions.
+ (output_function_epilogue): Move part of the code into
+ output_restore_regs.
+ (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
+ TYPE_SIBCALL.
+ * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
+ prototypes.
+
+ * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
+ until infrastructure is finished.
+
+Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
+
+ * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
+ (save_parm_insns): Not here.
+
+2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_bzero): New function.
+ (expand_builtin): Handle bzero.
+
+ * builtins.def: Add BUILT_IN_BZERO.
+
+ * c-common.c (c_common_nodes_and_builtins): Provide builtin
+ prototype & function for bzero.
+
+2000-03-23 Michael Meissner <meissner@redhat.com>
+
+ * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
+ change adding TARGET_FP to the TF floating point insns, except for
+ trunctfsf2, which generates direct calls to truncdfsf2.
+
+2000-03-23 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
+ try to protect against middle-end changes that break binary
+ compatibility.
+ (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
+
+2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
+
+Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c (expand_call): If TARGET is passed by reference and
+ is readonly, write a CLOBBER.
+
+2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin): Handle bcmp.
+
+ * builtins.def: Add BUILT_IN_BCMP.
+
+ * c-common.c (c_common_nodes_and_builtins): Provide builtin
+ prototype & function for bcmp.
+
+Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
+ (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
+ * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
+
+Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
+ alternative when using -fp64 -gp32.
+
+2000-03-22 Jason Merrill <jason@casey.cygnus.com>
+
+ * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
+ * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
+ * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
+
+ * frame.h (frame_state): Revert last change.
+ * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
+ * libgcc2.c (throw_helper): Revert last change.
+
+2000-03-22 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Don't promote the temporary.
+
+2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
+ * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
+ c_get_alias_set): Likewise.
+ * c-decl.c (duplicate_decls): Likewise.
+ * c-typeck.c (default_conversion,build_unary_op): Likewise.
+ * calls.c (initialize_argument_information): Likewise.
+ * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
+ Likewise.
+ * dwarfout.c (decl_class_context,output_type): Likewise.
+ * expr.c (get_inner_reference): Likewise.
+ * fold-const.c (simple_operand_p,fold): Likewise.
+ * function.c (aggregate_value_p): Likewise.
+ * stmt.c (expand_asm_operands): Likewise.
+ * varasm.c (named_section): Likewise.
+
+2000-03-22 Jason Merrill <jason@casey.cygnus.com>
+
+ Implement dwarf2 exception handling for the ARM.
+ * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
+ (DWARF_FRAME_RETURN_COLUMN): Define.
+ * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
+ REG_FRAME_RELATED_EXPR note.
+ (emit_sfm): Likewise.
+ (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
+ * dwarf2out.c (reg_save): Handle saving a register to itself.
+ (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
+ * except.c (eh_regs): Don't use the static chain reg if it's
+ callee-saved.
+ * frame.h (frame_state): Add cfa_saved field.
+ * frame.c (execute_cfa_insn): Set it.
+ * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
+ the epilogue.
+ * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
+ Now takes a parm.
+ (instantiate_virtual_regs): Adjust.
+ * tm.texi: Adjust.
+ * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
+ * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
+ * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
+
+ * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
+ (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
+
+2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.def: New file.
+
+ * Makefile.in (TREE_H): Depend on builtins.def.
+
+ * builtins.c (built_in_names): Use builtins.def.
+
+ * tree.h (built_in_function): Likewise.
+
+2000-03-22 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (size_in_bytes): Return size_zero_node, not
+ integer_zero_node.
+
+2000-03-22 Geoff Keating <geoffk@cygnus.com>
+
+ * config/fp-bit.c (pack_d): Correct the case when a denormal
+ is rounded up and stops being denormal.
+
+2000-03-21 Richard Henderson <rth@cygnus.com>
+
+ * config/alpha/alpha.c (function_arg): Check for void_type_node
+ before using MUST_PASS_IN_STACK.
+
+2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
+
+ * regmove.c (combine_stack_adjustments_for_block): Check that
+ the stack pointer is a valid memory address.
+
+Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c: re-install Mar 16 emit_library_call merge.
+
+2000-03-21 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
+ we cannot be sure that if reload_completed base register will
+ be properly aligned.
+
+2000-03-21 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (delete_block): Fix typo last change.
+
+2000-03-21 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
+ not COMPLETE_TYPE_P, to check the type of the expression.
+
+2000-03-21 Michael Meissner <meissner@redhat.com>
+
+ * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
+ all floating point insns that just tested the macro
+ TARGET_HAS_XFLOATING_LIBS.
+ (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
+ used to only use the gprs.
+
+2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tree.h (COMPLETE_TYPE_P): New macro.
+ (COMPLETE_OR_VOID_TYPE_P): New macro.
+ (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
+ * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
+ * c-aux-info.c (gen_type): Use them.
+ * c-common.c (c_expand_expr_stmt): Likewise.
+ * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
+ grokdeclarator, grokparms, finish_struct, start_function,
+ store_parm_decls, combine_parm_decls): Likewise.
+ * c-parse.y (cast_expr): Likewise.
+ * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
+ c_size_in_bytes, c_alignof, build_component_ref,
+ build_indirect_ref, build_array_ref, convert_arguments,
+ build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
+ * calls.c (initialize_argument_information): Likewise.
+ * convert.c (convert_to_integer): Likewise.
+ * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
+ * dwarfout.c (location_or_const_value_attribute,
+ output_enumeration_type_die, output_structure_type_die,
+ output_union_type_die, output_type): Likewise.
+ * expr.c (safe_from_p, expand_expr): Likewise.
+ * function.c (assign_parms): Likewise.
+ * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
+ * tree.c (build_array_type, build_function_type,
+ build_method_type, build_offset_type, build_complex_type): Likewise.
+ * c-parse.c, c-parse.h: Regenerated.
+
+2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/rtems.h: Include config/rtems.h.
+
+Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
+ decl is a FUNCTION_DECL
+
+Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
+ function uses output registers. Don't save RP for leaf functions.
+ Do save RP even if no epilogue.
+ * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
+ (CALL_USED_REGISTERS): Unmark in registers.
+ (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
+ to near the middle.
+
+2000-03-20 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (bunordered): New expander.
+ (bordered): New expander.
+ (buneq): New expander.
+ (bunge): New expander.
+ (bungt): New expander.
+ (bunle): New expander.
+ (bunlt): New expander.
+ (bltgt): New expander.
+
+ * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
+ (ccr_bit_negated_p): New function.
+ (print_operand): For %C, generate appropriate cror for UNEQ,
+ UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
+
+2000-03-20 Andreas Jaeger <aj@suse.de>
+
+ * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
+ warning.
+
+ * tree.h (safe_for_unsave): Prototype.
+
+2000-03-20 Richard Henderson <rth@cygnus.com>
+
+ * regmove.c (stack_memref_p): Fix typo, reorg for readability.
+ (combine_stack_adjustments_for_block): Don't allow sp references
+ in the side of a set we're not fixing up.
+ * toplev.c (rest_of_compilation): Run combine_stack_adjustments
+ after life_analysis.
+
+2000-03-20 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (expand_call): Don't bother generating tail call
+ sequences if there are pending cleanups. Use
+ expand_start_target_temps/expand_end_target_temps to elide
+ cleanups created during sibcall expansion.
+
+2000-03-20 Geoff Keating <geoffk@cygnus.com>
+
+ * configure.in: Set $IFS to a value if it doesn't already have one
+ in the --enable-checking handling.
+ * configure: Regenerate.
+
+2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
+ * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+ Regenerated.
+
+Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (delete_noop_moves): Remove code attempting to
+ combine stack adjustments.
+
+2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
+ * except.c (emit_cleanup_handler): Use them.
+ (expand_end_all_catch): Likewise.
+ * function.c (fixup_var_refs): Likewise.
+ (expand_function_end): Clear catch_clauses_last.
+ * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
+ * except.h (struct eh_status): New field x_catch_clauses_last.
+ (catch_clauses_last): New define.
+
+ * Makefile.in (tree.o): Depend on HASHTAB_H.
+ * tree.c: Include hashtab.h.
+ (struct type_hash): Remove next field.
+ (TYPE_HASH_SIZE): Remove.
+ (TYPE_HASH_INITIAL_SIZE): New define.
+ (type_hash_table): Change type to htab_t.
+ (type_hash_eq, type_hash_hash, print_type_hash_statistics,
+ mark_hash_entry): New functions.
+ (init_obstacks): Allocate type hash.
+ (type_hash_lookup): Use htab functions.
+ (type_hash_add, mark_type_hash): Likewise.
+ (dump_tree_statistics): Call print_type_hash_statistics.
+
+2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rs6000/t-aix41: New file.
+
+ * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
+
+Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * tm.texi (Driver): Fix typos and tweak entry for
+ INCLUDE_DEFAULTS.
+ Move misplaced STRUCT_FORCE_BLK entry ...
+ (Storage Layout): ... to here.
+ (Run-time Target): Recommend having TARGET_MASK_... helper macros.
+
+2000-03-19 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (delete_block): Delete the addr_vec along with the block.
+ (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
+ reference labels.
+
+ * fold-const.c (extract_muldiv): Apply type check for defined
+ overflow to multiply as well as divide.
+
+ * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
+
+2000-03-18 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (remove_unnecessary_notes): Check that all
+ NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
+ associated NOTE_BLOCK.
+ * function.h (identify_blocks): Update comments.
+ (reorder_blocks): Declare.
+ * function.c (identify_blocks): Don't take paramters.
+ (reorder_blocks): Don't take parameters.
+ * loop.h (find_loop_tree_blocks): Remove.
+ (unroll_block_trees): Likewise.
+ * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
+ reorder_blocks instead of unroll_block_trees.h
+ * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
+ * stmt.c (find_loop_tree_blocks): Remove.
+ (unroll_block_trees): Likewise.
+ * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
+ in whole-function mode.
+ * tree.h (reorder_blocks): Remove declaration.
+
+ * expr.c: Include intl.h.
+ * Makefile.in (expr.o): Depend on intl.h.
+
+2000-03-18 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (emit_move_insn_1): Clarify cannot_inline message.
+
+2000-03-18 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (tree_index): Remove enumerals for integer types.
+ (integer_type_kind): New type.
+ (integer_types): New variable.
+ (char_type_node): Adjust.
+ (signed_char_type_node): Likewise.
+ (unsigned_char_type_node): Likewise.
+ (short_integer_type_node): Likewise.
+ (short_unsigned_type_node): Likewise.
+ (integer_type_node): Likewise.
+ (unsigned_type_node): Likewise.
+ (long_integer_type_node): Likewise.
+ (long_unsigned_type_node): Likewise.
+ (long_long_integer_type_node): Likewise.
+ (long_long_unsigned_type_node): Likewise.
+ * tree.c (integer_types): New variable.
+ (init_obstacks): Register it as a root.
+
+Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
+ NEXT_INSN. Update last insn in chain.
+
+2000-03-17 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
+ with TYPE_DECL_SUPPRESS_DEBUG set.
+
+2000-03-18 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
+
+2000-03-18 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (call_insn_operand): Always allow SYMBOL_REF,
+ care for HALF_PIC_P.
+ (expander_call_insn_operand): Remove.
+ (ix86_expand_epilogue): New arg `emit_return' to control return insn.
+ * i386.h (PREDICATE_CODES): Update.
+ * i386.md (all call expanders): Remove predicates, remove special
+ handling for half-pic.
+ (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
+ (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
+ (sibcall_epilogue): New.
+
+2000-03-17 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (single_set): Reject if the parallel has anything
+ except SET or USE or CLOBBER.
+
+2000-03-17 Jeff Law <law@cygnus.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (OBJS): Add sibcall.o.
+ (sibcall.o): New.
+ * sibcall.c: New file.
+ * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
+ (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
+ (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
+ Emit sibcall patterns when requested. Update all callers.
+ (expand_call): Generate CALL_PLACEHOLDER insns when tail call
+ elimination seems feasable.
+ * final.c (leaf_function_p): Sibling calls don't discount being
+ a leaf function.
+ * flow.c (HAVE_sibcall_epilogue): Provide default.
+ (find_basic_blocks_1): Sibling calls don't throw.
+ (make_edges): Make edge from sibling call to EXIT.
+ (propagate_block): Don't remove sibcall_epilogue insns.
+ * function.c (prologue, epilogue): Turn into varrays. Update all uses.
+ (sibcall_epilogue): New.
+ (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
+ (identify_blocks_1): Likewise. Break out from ...
+ (identify_blocks): ... here.
+ (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
+ (reorder_blocks): ... here.
+ (init_function_for_compilation): Zap prologue/epilogue as varrays.
+ (record_insns): Extend a varray instead of mallocing new memory.
+ (contains): Read a varray not array of ints.
+ (sibcall_epilogue_contains): New.
+ (thread_prologue_and_epilogue_insns): Emit and record
+ sibcall_epilogue patterns.
+ (init_function_once): Allocate prologue/epilogue varrays.
+ * genflags.c (gen_insn): Treat sibcall patterns as calls.
+ * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
+ Broken out from ...
+ (save_for_inline_nocopy): ... here.
+ (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
+ Broken out from ...
+ (expand_inline_function): ... here.
+ (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
+ (subst_constants): Handle 'n' formats.
+ * jump.c (jump_optimize_minimal): New.
+ (jump_optimize_1): New arg `minimal'; update callers. Elide most
+ optimizations if it's set.
+ * rtl.c (copy_rtx): Do copy jump & call for insns.
+ * rtl.h (struct rtx_def): Document use of jump and call for insns.
+ (SIBLING_CALL_P): New.
+ (sibcall_use_t): New.
+ * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
+ Invoke optimize_sibling_and_tail_recursive_calls.
+ * tree.c (lang_safe_for_unsave): New.
+ (safe_for_unsave): New.
+ * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
+
+ * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
+ * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
+ (*sibcall_osf_1, *sibcall_value_osf_1): New.
+
+2000-03-17 Mark Mitchell <mark@codesourcery.com>
+
+ * objc/objc-act.c (encode_method_prototype): Pass types, not
+ PARM_DECLs, to int_size_in_bytes.
+
+Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
+
+ * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
+ config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
+
+Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Clean up usages of TREE_INT_CST_LOW.
+ * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
+ * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+ Regenerated.
+ * c-tree.h (min_precision): Move declaration to here.
+ * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
+ (build_unary_op, add_pending_init): Use bit_position.
+ (pending_init_member, process_init_element): Likewise.
+ (really_start_incremental_init, push_init_level, pop_init_level):
+ Don't make copies of nodes or modify them in place, use consistent
+ types when tracking positions, and use tree routines computations.
+ (set_init_index, output_init_element): Likewise.
+ (output_pending_init_elements, process_init_element): Likewise.
+ * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
+ tree_low_cst and int_bit_position; also minor cleanup.
+ (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
+ (print_cst_octal): Precision is unsigned.
+ (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
+ * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
+ (simple_type_align_in_bits): Result is unsigned int.
+ Use tree_int_low_cst and host_integerp.
+ (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
+ (field_byte_offset): Result is HOST_WIDE_INT.
+ Change types of internal variables so alignments are unsigned int,
+ offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
+ Use host_integerp, tree_low_cst, and int_bit_position.
+ (add_bit_offset_attribute): Likewise.
+ (add_data_member_location_attribute): Use tree_cst_low.
+ (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
+ (add_bit_size_attribute): Use tree_low_cst.
+ (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
+ * dwarfout.c: Similar changes to dwarf2out.c.
+ * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
+ * genoutput.c (n_occurrences): Return -1 for null string.
+ (strip_whitespace): Accept null string and make into function.
+ (scan_operands): Reflect above changes.
+ * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
+ (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
+ * ssa.c (rename_registers): Add missing cast of arg to bzero.
+ * tree.c (int_size_in_bytes): Check for too big to represent.
+ (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
+ * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
+ New declarations.
+ (min_precision): Delete from here.
+ * varasm.c (decode_addr_const): Use host_integerp, bit_position,
+ and int_bit_position.
+ * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
+ (encode_method_def): Likewise.
+ (build_ivar_list_initializer): Use int_bit_position.
+ (generate_shared_structures): Convert size.
+ (encode_type, encode_complete_bitfield): Use integer_zerop.
+ (encode_bitfield): Use tree_low_cst and int_bit_position.
+
+2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CPP_SPEC): Fix typo.
+
+2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * call.c (special_function_p): It is only malloc if it returns
+ Pmode.
+
+2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
+ (C33_FLAG, TARGET_C3X): Add macros.
+ (TARGET_SWITCHES): Add -m33 option.
+ * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
+
+2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
+ (PARALLEL_PACK_FLAG): Delete.
+ (TARGET_SWITCHES): Update.
+ (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
+
+Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (fold): Fix a few cases when the returned result
+ is not of the same type as the input.
+
+2000-03-16 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
+ warning.
+
+2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * libgcc2.h: Move prototypes above macros with the same name.
+ Wrap some function prototypes in the conditional which indicates
+ whether they are supported, i.e. "BITS_PER_UNIT == 8".
+
+2000-03-16 Richard Henderson <rth@cygnus.com>
+
+ * calls.c: Revert last two changes.
+
+2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
+ has exponent 0 is a zero.
+
+ * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
+ HASH may already be nonzero. Add code/mode into hash value
+ immediately after repeat label.
+ (cselib_lookup): Don't leave the hash table in an inconsistent
+ state before a hash lookup operation.
+
+Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (all HI and QI mode non-move patterns): Conditionize
+ by TARGET_[HQ]IMODE_MATH.
+ * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
+ x86_promote_qi_regs): Declare.
+ (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
+ TARGET_PROMOTE_QI_REGS): New macros.
+ (PROMOTE_MODE): New macro.
+ * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
+ x86_promote_qi_regs): New global variables.
+
+Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (emit_library_call_value_1): Break out from ...; handle
+ VOIDmode function calls too.
+ (emit_library_call_value): ... here.
+ (emit_library_call): Implement by calling emit_library_call_value_1.
+
+Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Do sanity checking on arg_space_so_far.
+ Update arg_space_so_far on stack adjustments.
+ (emit_library_call, emit_library_call_value): Likewise; take into
+ account arg_space_so_far and pending_stack_adjust when calculcating
+ the boundary.
+
+Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c: Move all basic block reordering code into its own file.
+ (create_basic_block): Externalize.
+ * bb-reorder.c: New file. Copy all basic block reordering code from
+ flow.c to this file.
+ (reorder_basic_blocks): Fix fencepost error in for-loop.
+ (reorder_basic_blocks): Remove braces from single statement for-loops.
+ * basic-block.h: Add declaration for create_basic_block.
+ * Makefile.in: Add rules for bb-reorder.o.
+
+2000-03-16 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (handle_option): Implement #unassert directive
+ as -A- command line option.
+ (print_help): Update.
+ * cpptexi.c: Update.
+
+Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * md.texi (Standard Names): Document `jump'.
+
+2000-03-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (emit_call_1): Nothrow functions can still have nonlocal
+ gotos.
+
+2000-03-15 Geoff Keating <geoffk@cygnus.com>
+
+ Merge changes from newppc-branch onto trunk.
+
+ 2000-03-15 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (toc_hash_table): Update for new hash table functions.
+ (toc_hash_function): Likewise.
+ (toc_hash_eq): Likewise.
+ (toc_hash_mark_entry): Likewise.
+ (toc_hash_mark_table): Likewise.
+ (output_toc): Likewise.
+ (rs6000_add_gc_roots): Likewise.
+
+ 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
+ (AR_FLAGS_FOR_TARGET): here. New macro.
+
+ 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
+ fpmem_operand) Delete.
+ (xer_operand) New.
+ (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
+ (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
+ (rs6000_save_machine_status, rs6000_restore_machine_status,
+ rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
+ references to above variables.
+ (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
+ * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
+ DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
+ (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
+ (XER_REGNO_P, XER_REGNO): New.
+ (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
+ (PREDICATE_CODES): Change fpmem_operand to xer_operand.
+ (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
+ XER_REGNO_P.
+ (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
+ REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
+ (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
+
+ 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
+ TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
+ * rs6000.h: from here.
+
+ * rs6000-protos.h (rs6000_select_section): Provide prototype.
+ (rs6000_select_rtx_section): Likewise.
+ (rs6000_encode_section_info): Likewise.
+ (sdata_section): Likewise.
+ (sdata2_section): Likewise.
+ (sbss_section): Likewise.
+ * sysv4.h (rs6000_select_section): Delete prototype.
+ (rs6000_select_rtx_section): Likewise.
+ (rs6000_encode_section_info): Likewise.
+ (sdata_section): Likewise.
+ (sdata2_section): Likewise.
+ (sbss_section): Likewise.
+ (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
+
+ * sysv4.h: Delete various unnecessary #undef's and put a comment
+ on the remaining ones.
+ Change various comments according to coding standard.
+
+ 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
+ CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
+ (CR0_REGNO_P) Remove.
+ * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
+ setup_incoming_varargs, mtcrf_operation, print_operand,
+ rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
+ Use the above macros.
+
+ 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000.md: Added a new alternative for each
+ pattern that had a 'x' alternative but no 'y' alternative.
+ Added a new split for each of the above patterns.
+
+ 2000-02-18 Geoff Keating <geoffk@cygnus.com>
+
+ * aix41.h (ASM_CPU_SPEC): Delete.
+ (CPP_CPU_SPEC): Delete.
+
+ * aix.h (RS6000_OUTPUT_BASENAME): Define.
+ (ASM_OUTPUT_LABEL): Define.
+ (ASM_GLOBALIZE_LABEL): Define.
+ (STRIP_NAME_ENCODING): Define.
+ * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
+ (STRIP_NAME_ENCODING): Don't define.
+ (ASM_OUTPUT_LABEL): Don't define.
+ (ASM_GLOBALIZE_LABEL): Don't define.
+ * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
+ names, and ASM_OUTPUT_LABEL to output labels, rather than
+ asm_fprintf.
+ (ASM_OUTPUT_LABEL): Define.
+ (ASM_OUTPUT_INT): Use assemble_name.
+ (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
+ (STRIP_NAME_ENCODING): Don't undefine first.
+ (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
+ ELF.
+ (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
+ specified with 'asm' even with -fleading-underscore.
+ * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
+ (output_epilog): Likewise.
+ (output_toc): Likewise.
+ * tramp.asm: Handle -fleading-underscore correctly.
+
+ * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
+ -mminimal-toc.
+ (nonlocal_goto_receiver): Delete.
+ * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
+
+ * rs6000.h (ASM_OUTPUT_DEF): Don't define.
+ (SET_ASM_OP): Define.
+ * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
+
+ * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
+ (ASM_LONG): Define.
+
+ * rs6000.c (rs6000_dll_import_ref): Delete, not used.
+ * rs6000-protos.h (rs6000_dll_import_ref): Delete.
+
+ * rs6000.h: Add 'u' to more constants.
+
+ 2000-02-18 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (mfcr+shift): Delete PowerPC64 version.
+
+ 2000-02-15 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (reg_or_u_cint_operand): New function.
+ (logical_operand): Handle 64-bit hosts.
+ (logical_u_operand): New function.
+ (non_logical_cint_operand): Handle 64-bit hosts.
+ (non_logical_u_cint_operand): New function.
+ * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
+ (PREDICATE_CODES): Define new functions.
+ * rs6000-protos.h: Declare new functions.
+ * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
+ (movdi_64): Bracket code intended for 64-bit hosts. Create
+ CONST_DOUBLE for 32-bit values.
+ (scc insns): Generate DImode compares.
+ (mfcr insns): Create DImode versions.
+ (sge matchers): New patterns.
+
+ 2000-02-15 Gabriel Paubert <paubert@iram.es>
+
+ * rs6000.md: Correct instructions length attributes and
+ constraints on unsigned compare instructions.
+ (*ne0): Disable for PowerPC64.
+
+ 2000-02-11 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (output_function_profiler): Use .long for a 32-bit
+ quantity, fix profile1.C test failure under -fPIC.
+
+ * rs6000.c: Add 'u' to many constants to suppress warnings.
+ (constant_pool_expr_1): Make static.
+ (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
+ * rs6000.h: Add 'u' to many constants to suppress warnings.
+
+ * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
+ for the start of the TOC, instead of LCTOC..0.
+ * aix.h (toc_section): Use LCTOC..1 under AIX for the start
+ of the TOC.
+ * rs6000.md (load_toc_aix_si): Use LCTOC..1.
+ (load_toc_aix_di): Use LCTOC..1.
+
+ * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
+ * rs6000.c (rs6000_legitimize_address): New function from
+ LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
+ symbols in the constant pool that really are TOC references.
+ (print_operand_address): For ELF, write TOC offsets under
+ -fPIC as subtractions in the insn.
+ (output_toc): For ELF, define symbols in TOC as normal labels,
+ to match RTL.
+ (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
+ * rs6000-protos.h (rs6000_legitimize_address): Prototype.
+ (create_TOC_reference): Prototype only when RTX_CODE is defined.
+ * rs6000.md (movsi): Only use create_TOC_reference on
+ symbols in the constant pool that really are TOC references.
+
+ * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
+ * rs6000.c (rs6000_reorg): Delete.
+ * rs6000-protos.h (rs6000_reorg): Delete.
+
+ 2000-02-09 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
+
+ * aix.h (SETUP_FRAME_ADDRESSES): Define.
+ * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
+ [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
+ [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
+ * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
+ rs6000_aix_emit_builtin_unwind_init.
+ * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
+ rs6000_emit_eh_toc_restore on AIX.
+ (return_eh_si): Use r2.
+ (return_eh_di): Use r2.
+
+ * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
+ since we're breaking binary compatibility anyway.
+
+ 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
+ constant_pool_expr_p): Declare them.
+ (constant_pool_expr_p): Declare it.
+ * config/rs6000/rs6000.c (toc_label_name): Define.
+ (rs6000_override_options): Set toc_label_name.
+ (input_operand): Allow any TOC_RELATIVE_EXPR_P.
+ (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
+ uses_TOC): New functions.
+ (print_operand): Delete old '*' case.
+ (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
+ and strip off rtl for TOC before calling output_addr_const.
+ (rs6000_emit_load_toc_table): Use toc_label_name.
+ * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
+ the default.
+ (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
+ (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
+ (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
+ (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
+ into explicit TOC_REGISTER offsets.
+ (TOC_REGISTER): New macro.
+ * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
+ TARGET_TOC to reference TOC_REGISTER.
+ (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
+ * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
+ uses_TOC before emitting label references.
+
+ 2000-02-05 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (stack_tie): Fix warning.
+
+ * eabi-ctors.c: Use 'asm' names for the start/end variables,
+ to handle -fleading-underscore.
+ * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
+ (USER_LABEL_PREFIX): New macro.
+ (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
+ (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
+ * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
+ call-linux can use the same multilibs.
+ * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
+ and call-linux multilibs. Do multilib with -fleading-underscore.
+ (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
+ (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
+ to call-aix.
+
+ * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
+ have MASK_SOFT_FLOAT set.
+ (CPP_FLOAT_DEFAULT_SPEC): New macro.
+ (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
+ CPP_FLOAT_DEFAULT_SPEC.
+
+ * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
+ * rs6000.md: Whitespace change.
+ * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
+ * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
+
+ 2000-02-05 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (eh_epilogue): New expander.
+ (eh_reg_restore): New expand/split/insn combination.
+ (return_eh_si): New insn.
+ (return_eh_di): New insn.
+
+ * eabi-ci.asm: Put a label at the start of the .eh_frame section.
+ * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
+ * eabi-ctors.c (__do_global_ctors): Register this object's
+ frame. Clean up. Call atexit() after the constructors.
+ (__do_global_dtors): Deregister this object's frame. Clean up.
+ Allow for recursive calls to exit().
+ * rs6000.c (fixuplabelno): New variable.
+ * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
+ TARGET_RELOCATABLE, it slows down exec() under linux.
+ (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
+
+ * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
+ (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
+ (ASM_OUTPUT_DWARF_DELTA2): New macro.
+ (ASM_OUTPUT_DWARF_DELTA4): New macro.
+ (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
+ (ASM_OUTPUT_DWARF_ADDR): New macro.
+ (ASM_OUTPUT_DWARF_DATA4): New macro.
+ (ASM_OUTPUT_DWARF_DATA2): New macro.
+ (ASM_OUTPUT_DWARF_OFFSET4): New macro.
+ (ASM_OUTPUT_DWARF_OFFSET): New macro.
+ (UNALIGNED_INT_ASM_OP): New macro, fake definition.
+
+ 2000-02-03 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_sr_alias_set): New variable.
+ (rs6000_override_options): Initialize rs6000_sr_alias_set.
+ (rs6000_emit_stack_tie): New function.
+ (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
+ in a way that dwarf2out can understand.
+ (rs6000_frame_related): New function.
+ (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
+ RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
+ Use rs6000_emit_stack_tie when needed.
+ (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
+ RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
+ * rs6000.md (stack_tie): New insn.
+ (return_internal_si): Allow return value to be in the count
+ register.
+ (return_internal_di): Likewise.
+
+ * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
+
+ 2000-02-03 Geoff Keating <geoffk@cygnus.com>
+
+ * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
+
+ 2000-01-31 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
+
+ * rs6000.md (stmw): Use the right POWER opcode.
+ (lmw): Likewise.
+
+ 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rs6000-protos.h: New file.
+
+ * rs6000.c: Include tm_p.h. Fix compile time warnings.
+
+ * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
+ warnings.
+
+ * sysv4.h: Likewise.
+
+ 2000-01-28 Geoff Keating <geoffk@cygnus.com>
+
+ * ../../configure.in: Delete powerpcle-*-winnt*
+ and powerpcle-*-pe|powerpcle-*-cygwin*.
+ * ../../configure: Regenerated.
+ * cygwin.h: Delete.
+ * rs6000.h (OBJECT_WINDOWS_NT): Delete.
+ (TARGET_WINDOWS_NT): Delete.
+ (ABI_NT): Delete.
+ (CALL_NT_DLLIMPORT): Delete.
+ Delete NT-specific code.
+ * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
+ * win-nt.h: Delete.
+ * t-winnt: Delete.
+ * nt-ci.asm: Delete.
+ * nt-cn.asm: Delete.
+ * ntstack.asm: Delete.
+
+ 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
+ (ASM_FILE_START): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ (ASM_OUTPUT_LABELREF): Likewise.
+ (ASM_OUTPUT_SKIP): Likewise.
+ (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
+ (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ (ASM_OUTPUT_CASE_LABEL): Likewise.
+ (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
+ (ASM_OUTPUT_ASCII): Likewise.
+
+ 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
+
+ * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
+ reload_toc_labelno for non-prologue TOC reloads. Also, don't
+ increment rs6000_pic_labelno here.
+ (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
+ and increment rs6000_pic_labelno here.
+
+ 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
+
+ * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
+ rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
+ allocation knows (reg) is dead before the insn.
+
+ 2000-01-21 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (movsi_to_cr): Correct typo in output template.
+
+ 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_pic_labelno): Always define.
+ (rs6000_pic_func_labelno): Delete.
+ (lmw_operation): Check for a zero base register,
+ which doesn't mean what we want.
+ (stmw_operation): New function.
+ (print_operand): Define new 'l' modifier.
+ (rs6000_stack_info): We must save all 64 bits of the registers
+ if TARGET_POWERPC64.
+ (rs6000_output_load_toc_table): Delete.
+ (rs6000_emit_load_toc_table): New function.
+ (rs6000_allocate_stack_space): Delete.
+ (rs6000_emit_allocate_stack): New function.
+ (rs6000_emit_prologue): New function.
+ (output_prolog): Use rs6000_emit_prologue.
+ (rs6000_emit_epilogue): Change a few variable names to be
+ more accurate. Restore all 64 bits of the registers if
+ TARGET_POWERPC64. Only restore the FP registers which were used
+ if they are being saved/restored one-at-a-time.
+ (output_mi_thunk): Delete inefficient code generation.
+ (output_function_profiler): Don't use rs6000_output_load_toc_table.
+ * rs6000.h: Declare rs6000_emit_load_toc_table,
+ rs6000_allocate_stack_space, stmw_operation. Don't declare
+ rs6000_output_load_toc_table.
+ * rs6000.md (elf_high): Allow register 0, but discourage it
+ heavily.
+ (elf_low): Support loading into register 0.
+ (load_toc_aix_si): New pattern.
+ (load_toc_aix_di): New pattern.
+ (load_toc_v4_pic_si): New pattern.
+ (load_toc_v4_pic_di): New pattern.
+ (load_toc_v4_PIC_1): New pattern.
+ (load_toc_v4_PIC_1b): New pattern.
+ (load_toc_v4_PIC_2): New pattern.
+ (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
+ (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
+ (prologue): New expander.
+ (movesi_from_cr): New pattern.
+ (stmw): New pattern.
+ (save_fpregs_si): New pattern.
+ (save_fpregs_di): New pattern.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
+ (movdi): Likewise.
+ (movhi): Likewise.
+ (movqi): Likewise.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
+ at present.
+ (movsi_got_internal): Likewise.
+ (movsi_got_internal+1): Likewise.
+ (set_sp): 'unspec 7' does a SImode clobber.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md (floatsidf2): Don't use the fpmem "register", just
+ allocate a stack temporary.
+ (floatsidf2_internal): Likewise.
+ (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
+ with unspec.
+ (floatunssidf2): Don't use the fpmem "register", just
+ allocate a stack temporary.
+ (floatunssidf2_internal): Likewise.
+ (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
+ with unspec.
+ (floatsidf2_loadaddr): Delete.
+ (floatsidf2_store1): Delete.
+ (floatsidf2_store2): Delete.
+ (floatsidf2_load): Delete.
+ (fix_truncdfsi2): Don't use the fpmem "register", just
+ allocate a stack temporary.
+ (fix_truncdfsi2_internal_si): Delete.
+ (fix_truncdfsi2_internal_di): Delete.
+ (fix_truncdfsi2_internal): New insn.
+ (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
+ (fix_truncdfsi2_store): Delete.
+ (fix_truncdfsi2_load): Delete.
+ (fctiwz): Produce gen_fctiwz.
+
+ 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
+
+ * eabi.h (INVOKE__main): Define.
+ * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
+ specially.
+ (rs6000_emit_prologue): Likewise.
+ * rs6000.h (struct rs6000_stack): Don't keep track of whether
+ this is the main program.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_va_arg): Delete some unused variables.
+
+ 2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
+ goes after the argument.
+
+ 2000-01-12 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.md: Document 'unspec' values used.
+ (epilogue): New expander.
+ (movesi_to_cr_one): New expander.
+ (movesi_to_cr and following): New pattern.
+ (lmw): New pattern.
+ (return_internal_si): New pattern.
+ (return_internal_di): New pattern.
+ (return_and_restore_fpregs_si): New pattern.
+ (return_and_restore_fpregs_di): New pattern.
+ * rs6000.h: Declare new functions.
+ * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
+ rather than rs6000_calls_p.
+ (rs6000_makes_calls): Delete.
+ (lmw_operation): New function.
+ (mtcrf_operation): New function.
+ (rs6000_emit_epilogue): New function.
+ (output_epilog): Call rs6000_emit_epilogue and final if
+ !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
+
+ 2000-01-12 Geoff Keating <geoffk@cygnus.com>
+
+ * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
+ * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
+ * aix.h (SUBTARGET_SWITCHES): Document switches.
+ * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
+ sched-prolog and sched-epilog the same. Document all the
+ switches.
+ (TARGET_OPTIONS): No longer allow -mdebug-.
+
+ 2000-01-12 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.h (ASM_FILE_END): Move to aix.h.
+ (EXTRA_SECTIONS): Move to aix.h.
+ (READONLY_DATA_SECTION): Move to aix.h.
+ (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
+ (SELECT_SECTION): Move to aix.h.
+ (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
+ (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
+ (LINK_REGISTER_REGNUM): New definition.
+ (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
+ (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
+ AIX and SVR4.
+ * sysv4.h: Delete the code between the inclusion of rs6000.h
+ and svr4.h.
+ (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
+ (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
+ (RS6000_REG_SAVE): Move generic definition to rs6000.h.
+ (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
+ * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
+ (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
+ (fix_truncdfsi2_internal_di): New pattern.
+ (fix_truncdfsi2_store): The second arg here is Pmode too.
+ (fix_truncdfsi2_load): The second arg here is Pmode too.
+ (tablejumpdi): Now that switch tables hold only SImode values,
+ gcc needs to know how to add them to the pc which is DImode.
+ * rs6000.c (rs6000_stack_info): Use symbolic name for
+ LINK_REGISTER_REGNUM.
+ (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
+ (output_toc): Delete unused variables s1 and s2.
+ (output_ascii): Use fputs not fprintf on a variable string.
+
+ 2000-01-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (processor_target_table): Add power3 as alias for 630.
+ * aix43.h: Revert Aug 2 change.
+ (HAS_INIT_SECTION): Define, not visible yet.
+ (LD_INIT_SWITCH): Define, not visible yet.
+ * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
+
+ 2000-01-04 Joel Sherrill (joel@OARcorp.com>
+
+ * config/rs6000/rtems.h: Include config/rtems.h.
+
+ 2000-01-04 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (HANDLE_PRAGMA_PACK): Define.
+ (SLOW_UNALIGNED_ACCESS): Define.
+ (CASE_VECTOR_MODE): Always use 32-bit offsets.
+ (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
+ (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
+ (toc_section): Likewise and .toc pseudo-op.
+ (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
+ 64-bit mode.
+ (TEXT_SECTION_ASM_OP): Likewise.
+ (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
+ 32-bit offsets.
+
+ 1999-12-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
+ UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
+ compiling libgcc2.
+
+ 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h: Move more stuff from here...
+ * aix.h: to here.
+ * sysv4.h: Cleanup accordingly.
+ * netware.h: Likewise
+
+ 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h: Continue cleanup.
+ * aix.h: Likewise.
+ * lynx.h: Likewise.
+ * netware.h: Likewise.
+ * sol2.h: Likewise.
+ * sysv4.h: Likewise.
+ * win-nt.h: Likewise.
+
+ * rs6000.h (TARGET_SWITCHES): Add descriptions.
+ (TARGET_OPTIONS): Likewise.
+
+ * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
+ (SUBTARGET_OPTIONS): Likewise.
+
+ * rs6000.md: Fix compile time warnings.
+
+ 2000-01-04 Geoff Keating <geoffk@cygnus.com>
+
+ vxworks patches from the Cygnus tree originally by
+ Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
+ <vmakarov@cygnus.com>.
+ * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
+ (ENDFILE_SPEC): Likewise.
+ (LIB_VXWORKS_SPEC): New macro.
+ (STARTFILE_VXWORKS_SPEC): New macro.
+ (ENDFILE_VXWORKS_SPEC): New macro.
+ (LINK_START_VXWORKS_SPEC): New macro.
+ (LINK_OS_VXWORKS_SPEC): New macro.
+ (CPP_OS_VXWORKS_SPEC): New macro.
+ (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
+ * vxppc.h: Rewrite to use proper configuration method.
+ * vxppcle.h: New file.
+ * ../../configure.in: Add powerpcle-wrs-vxworks*.
+ * ../../configure: Rebuilt.
+
+ 2000-01-04 Geoff Keating <geoffk@cygnus.com>
+
+ Lots of changes to rs6000.h, sysv4.h, aix.h,
+ aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
+ with the aim that rs6000.h is the first header
+ included and the others override it.
+ * aix.h: New file.
+
+ * x-aix41-gld: Remove.
+ * x-aix43: Remove.
+ * x-aix41: Remove target-specific switches, and don't specify
+ -Wl,-bbigtoc as we don't need it any more.
+ * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
+ Use t-aix43 for AIX 4.3 and above.
+ * ../../configure: Regenerated.
+
+ * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
+ options, that don't do anything yet.
+ (MASK_SCHED_PROLOG): New macro.
+ (MASK_SCHED_EPILOG): New macro.
+ (TARGET_SCHED_PROLOG): New macro.
+ (TARGET_SCHED_EPILOG): New macro.
+
+ 2000-01-04 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c: Correct comment, the `minimal' TOCs are actually
+ one per translation unit, not one per function.
+ (output_toc): Also do duplicate constant elimination
+ for per-translation-unit TOCs.
+
+ * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
+ a comment explaining _exactly_ when this pattern gets used.
+ (builtin_setjmp_receiver): New pattern for better clarity.
+ (init_v4_pic): Move it into a section dealing with TOC registers.
+
+ 1999-12-30 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (toc_hash_table): New variable.
+ (rs6000_hash_constant): New function.
+ (toc_hash_function): New function.
+ (toc_hash_eq): New function.
+ (toc_hash_mark_entry): New function.
+ (toc_hash_mark_table): New function.
+ (output_toc): Don't output duplicate TOC entries in
+ a single file.
+ (rs6000_add_gc_roots): Add the hash table as a GC root.
+ * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
+ where they clearly shouldn't be. This may need to be fixed
+ later when there is a GNU ar for AIX.
+ * x-aix43: Don't define CLIB or AR_FOR_TARGET.
+ Don't define BOOT_LDFLAGS as it is now not necessary.
+
+ 1999-12-29 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
+ for va_list on AIX. Use unsigned_char_type_node rather than
+ constructing our own version on svr4.
+
+ 1999-12-17 Geoff Keating <geoffk@cygnus.com>
+
+ * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
+ since patently it's not.
+
+ 1999-12-08 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
+ define_expand/define_insn pair, and handle restore of the
+ SVR4 -fpic register.
+
+Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
+
+ * acconfig.h (HAVE_GAS_WEAK): New define.
+ * configure.in (assembler weak support): Check for .weak support.
+ * config.in, configure: Rebuilt.
+ * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
+ HAVE_GAS_WEAK is defined.
+
+2000-03-15 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
+ asm_fprintf().
+
+2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (open_include_file): New function.
+ (find_include_file, cpp_read_file): Use it.
+
+2000-03-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpphash.c (dump_hash_helper): Take the slot, not the element.
+
+Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c (verify_flow_info): Check for unconditional return.
+
+Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.md (restore_stack_nonlocal): New.
+ * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
+ (__ia64_restore_stack_nonlocal): New.
+ * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
+
+2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpphash.c (collect_formal_parameters): Do not complain about
+ parameter names that just start with `__VA_ARGS__'.
+
+Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
+ movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
+ * i386.c (pentiumpro_cost): Set mul cost to 4.
+ (x86_use_movx): Set for PPro.
+
+Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (ix86_compute_frame_size): stack_alignment_needed is
+ STACK_BOUNDARY for empty frames now.
+
+2000-03-14 Mark Mitchell <mark@codesourcery.com>
+
+ * stor-layout.c (layout_union): Remove.
+ (layout_union_field): New function, split out from layout_union.
+ (finish_union_layout): Likewise.
+ (layout_field): Handle unions by calling layout_union_field.
+ (finish_record_layout): Handle unions.
+ (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
+ QUAL_UNION_TYPE handling.
+
+Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
+ end of basic block is jump_insn, not barrier; use create_basic_block
+ instead of creating basic block by hand.
+
+2000-03-14 Jason Eckhardt <jle@cygnus.com>
+
+ * flow.c (reorder_basic_blocks): Account for barriers when writing
+ over NEXT_INSN (last_bb->end).
+ (verify_flow_info): Add check for missing barriers.
+
+2000-03-14 Greg McGary <gkm@gnu.org>
+
+ * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
+ * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
+ * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
+ __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
+ __unbounded, __unbounded__): New keywords.
+ * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
+ * c-parse.y, c-parse.c, c-parse.h: Regenerate.
+ * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
+
+2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cselib.h: New file.
+ * alias.c: Include "cselib.h".
+ (fixed_scalar_and_varying_struct_p): Accept the addresses of the
+ MEMs as two new arguments.
+ (get_addr): New static function.
+ (find_base_term): Handle VALUEs.
+ (memrefs_conflict_p): Likewise.
+ (true_dependence): Call get_addr on the addresses.
+ Call fixed_scalar_and_varying_struct_p with addresses that have been
+ passed through get_addr and canon_rtx.
+ (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
+ with true_dependence.
+ Call get_addr on the addresses; don't call canon_rtx on the MEMs.
+ * loop.c: Include "cselib.h".
+ (load_mems): Process extended basic block that enters the loop with
+ cselib. Use that information to change initialization of the shadow
+ register so that a constant equivalence is seen by later passes.
+ * reload1.c: Include "cselib.h".
+ (reload_cse_invalidate_regno): Delete function.
+ (reload_cse_mem_conflict_p): Likewise.
+ (reload_cse_invalidate_mem): Likewise.
+ (reload_cse_invalidate_rtx): Likewise.
+ (reload_cse_regno_equal_p): Likewise.
+ (reload_cse_check_clobber): Likewise.
+ (reload_cse_record_set): Likewise.
+ (reg_values): Delete static variable.
+ (invalidate_regno_rtx): Likewise.
+ (reload_cse_delete_noop_set): New static function.
+ (reload_cse_simplify): New static function, broken out of
+ reload_cse_regs_1.
+ (reload_cse_noop_set_p): Delete unused argument INSN.
+ Just call rtx_equal_for_cselib_p on set source and destination.
+ (reload_cse_regs_1): Break out some code into reload_cse_simplify and
+ reload_cse_delete_noop_set. Delete code to keep track of values; use
+ cselib functions instead. Delete code to push/pop obstacks.
+ (reload_cse_simplify_set): Use cselib to find equivalent values.
+ Delete code to push/pop obstacks.
+ (reload_cse_simplify_operands): Likewise.
+ * rtl.def (VALUE): New rtx code.
+ * rtl.h (union rtunion_def): New elt rt_cselib.
+ (X0CSELIB, CSELIB_VAL_PTR): New macros.
+ * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
+ (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
+ unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
+ discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
+ hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
+ cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
+ cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
+ cselib_record_set, cselib_record_sets): New static functions.
+ (cselib_lookup, cselib_update_varray_sizes, cselib_init,
+ cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
+ references_value_p): New functions.
+ (MAX_USELESS_VALUES, REG_VALUES): New macros.
+ (table, cselib_current_insn, next_unknown_value, cselib_nregs,
+ n_useless_values, reg_values, callmem, cselib_obstack,
+ cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
+ New static variables.
+ * varray.h (union varray_data_tag): New elt te.
+ (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
+ * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
+ dependencies.
+
+2000-03-14 Nick Clifton <nickc@cygnus.com>
+
+ * gcc.c (do_spec_1): Catch the case where %* is used in a
+ substitution pattern, but it has not been initialized.
+ Issue a meaningful error message if an unrecognized operator
+ is encountered in a spec string.
+
+2000-03-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * function.c (prepare_function_start): Correctly initialize
+ cfun->stack_alignment_needed.
+
+2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (find_include_file): Don't assume nshort is a
+ substring of name.
+
+Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa configurations): Add pa32-regs.h to the
+ list of tm files as appropriate.
+ * configure: Rebuilt.
+ * pa.c (compute_frame_size): Remove explicit knowledge about FP
+ register numbering.
+ (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
+ (fmpyaddoperands, fmpysuboperands): Likewise.
+ * pa.h: Remove various definitions which depend on knowing
+ how registers are numbered.
+ * pa32-regs.h: New file with PA32 register numbering specific
+ definitions.
+
+2000-03-14 Richard Henderson <rth@cygnus.com>
+
+ * regmove.c (combine_stack_adjustments): New.
+ (stack_memref_p, single_set_for_csa): New.
+ (free_csa_memlist, record_one_stack_memref): New.
+ (try_apply_stack_adjustment): New.
+ (combine_stack_adjustments_for_block): New.
+ * rtl.h (combine_stack_adjustments): Declare.
+ * toplev.c (rest_of_compilation): Call it.
+
+ * i386.md: Revert 2000-01-16 change.
+
+2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * gccbug.in: Add web category, gcc specific classes.
+
+2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
+
+ * stor-layout.c (finalize_record_size): Fix typo.
+
+2000-03-14 Stan Shebs <shebs@apple.com>
+
+ * c-typeck.c (c_alignof): Error on incomplete types.
+ * extend.texi (Alignment): Document this.
+
+2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c: Include mkdeps.h.
+ (find_include_file, read_include_file): Remove _cpp_ prefix
+ from name, make static.
+ (_cpp_execute_include): New function, broken out of
+ do_include.
+
+ * cpplib.c: Don't include mkdeps.h.
+ (struct directive): Remove type field. Reorder entries. The
+ function takes only one argument.
+ (struct if_stack): Make type field an int.
+ (directive_table): Rename to dtable. Generate it, the
+ prototypes of the directive handlers, and the enum for the
+ directive numbers, from a template macro.
+ (do_ifndef, do_include_next, do_import): New functions.
+ (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
+ do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
+ do_ident, do_assert, do_unassert, do_sccs): Take only one
+ argument.
+ (do_sccs): Define always, but alter behavior based on
+ SCCS_DIRECTIVE.
+ (_cpp_handle_directive, consider_directive_while_skipping):
+ Restructure for new directive table layout.
+
+ (pass_thru_directive): Take a directive number, not a pointer
+ to a struct directive.
+ (parse_include): New function, broken out of do_include.
+ (do_include, do_import, do_include_next): Use parse_include
+ and _cpp_execute_include.
+ (do_elif, do_else): Test for T_ELSE specifically when checking
+ for #elif/#else after #else.
+ (parse_ifdef): New function, broken out of do_ifdef.
+ (validate_else): Expect a name arg without a leading #.
+ (if_directive_name): Delete.
+ (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
+ directive handlers with only one argument.
+
+ * cpphash.h: Update prototypes.
+ (enum node_type): Remove entries for directives.
+ * Makefile.in: Update dependencies.
+
+ * cpphash.c (dump_hash_helper): Only dump nodes of type
+ T_MACRO. Emit a newline after each definition.
+
+2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * gccbug.in: New file.
+ * configure.in (all_outputs): Add gccbug.
+ * Makefile.in (install-common): Install gccbug.
+ (GCCBUG_INSTALL_NAME): New variable.
+ * configure: Rebuilt.
+
+2000-03-13 Jason Merrill <jason@casey.cygnus.com>
+
+ * function.c (put_var_into_stack): Use type_for_mode to calculate
+ part_type. Use MEM_SET_IN_STRUCT_P.
+ * expr.c (store_field): Handle CONCAT.
+ (store_constructor): Use fields_length.
+ * tree.c (fields_length): New fn.
+ * tree.h: Declare it.
+
+2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
+ (cpplex.o): New target.
+ * po/POTFILES.in: Add cpplex.c.
+
+ * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
+ cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
+ cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
+ skip_block_comment, skip_line_comment, skip_comment,
+ copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
+ _cpp_parse_name, skip_string, parse_string,
+ _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
+ _cpp_get_directive_token, find_position,
+ _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
+ (maybe_macroexpand, _cpp_lex_token): New functions.
+
+ * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
+ parse_goto_mark): Delete.
+ (_cpp_handle_eof): New function.
+ (_cpp_handle_directive): Rename from handle_directive.
+ (_cpp_output_line_command): Rename from output_line_command.
+ (do_if, do_elif): Call _cpp_parse_expr directly.
+ * cppfiles.c (_cpp_read_include_file): Don't call
+ init_input_buffer here.
+ * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
+ * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
+ here; pop the token_buffer and skip the rest of the line here.
+ * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
+ here.
+
+ * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
+ Define here.
+ (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
+ CPP_GOTO_MARK): New macros.
+ (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
+ _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
+ _cpp_read_and_prescan, _cpp_init_input_buffer,
+ _cpp_grow_token_buffer, _cpp_get_directive_token,
+ _cpp_handle_directive, _cpp_handle_eof,
+ _cpp_output_line_command): Prototype them here.
+ * cpplib.h (enum cpp_token): Add CPP_MACRO.
+ (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
+ quote_string, output_line_command): Remove.
+
+2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * stmt.c (expand_end_case): RANGE may be signed, and when checking
+ whether it is too large we must also verify that it isn't negative.
+
+2000-03-13 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
+ (movsi_zero_liveg0): Remove.
+ (movsf_insn_novis_liveg0): Remove.
+ (negsi2): Remove.
+ (negsi2_not_liveg0): Rename to negsi2.
+ (one_cmplsi2): Remove.
+ (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
+ (one_cmplsi2_liveg0): Remove.
+ * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
+ MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
+ (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
+ (PREDICATE_CODES): Remove zero_operand.
+ * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
+ TARGET_BROKEN_SAVERESTORE.
+ (zero_operand): Remove.
+ * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
+ -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
+ options.
+ (SUBTARGET_OVERRIDE_OPTIONS): Remove.
+ * config/sparc/linux-aout.h (TARGET_LIVE_G0,
+ TARGET_BROKEN_SAVERESTORE): Remove.
+ * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+ Remove.
+ * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+ Remove.
+ * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+ Remove.
+
+ * config/sparc/sparc.md (return_df_no_fpu): New pattern.
+
+2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_pragma_implementation): Fix off-by-one error
+ truncating a string. Don't assume tokens are nul terminated.
+ Problem noted by Andreas Jaeger <aj@suse.de>
+
+2000-03-13 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_name_and_src_coords_attributes): Only add
+ DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
+ (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
+
+2000-03-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
+ STRUCTURE_SIZE_BOUNDARY.
+
+2000-03-13 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (record_layout_info_s): New structure.
+ (record_layout_info): New type.
+ (new_record_layout_info): New function.
+ (layout_field): Likewise.
+ (finish_record_layout): Likewise.
+ * stor-layout.c (layout_record): Remove.
+ (new_record_layout_info): New function.
+ (layout_field): New function, broken out from layout_record.
+ (finalize_record_size): Likewise.
+ (compute_record_mode): Likewise.
+ (finalize_type_size): New function, broken out from layout_type.
+ (finish_record_layout): Likewise.
+ (layout_type): Use them.
+
+2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c: Don't include version.h.
+ (special_symbol) [case T_VERSION]: Look for the string in
+ hp->value.cpval; don't use version_string.
+ * cppinit.c (initialize_builtins): Set hp->value.cpval for
+ __VERSION__ to version_string.
+ * Makefile.in (cpphash.o): Update deps.
+
+2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
+
+ Convert cpplib to use libiberty/hashtab.c.
+
+ * cpplib.h (struct cpp_reader): Make hashtab and
+ all_include_files of type 'struct htab *'. Delete HASHSIZE
+ and ALL_INCLUDE_HASHSIZE macros.
+
+ * cpphash.h: Update prototypes.
+ (struct hashnode): Remove next, prev, and bucket_hdr members.
+ Make length a size_t. Add hash member.
+ (struct ihash): Remove next member. Add hash member. Make
+ name a flexible array member.
+
+ * cppfiles.c: Include hashtab.h.
+ (include_hash): Delete.
+ (IHASHSIZE): New macro.
+ (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
+ (cpp_included): Do the hash lookup here.
+ (_cpp_find_include_file): Rewrite.
+ (cpp_read_file): Put the "fake" hash entry into the hash
+ table. Honor the control_macro, if it turns out we've seen
+ the file before. Don't push the buffer here.
+ (_cpp_read_include_file): Push the buffer here.
+ (OMODES): New macro. Use it whenever we call open(2).
+
+ * cpphash.c: Include hashtab.h.
+ (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
+ _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
+ _cpp_lookup_slot): New functions.
+ (HASHSIZE): new macro.
+ (hashf, _cpp_install, _cpp_delete_macro): Delete.
+ (_cpp_lookup): Use hashtab.h routines.
+
+ * cppinit.c: Include hashtab.h.
+ (cpp_reader_init): Call _cpp_init_macro_hash and
+ _cpp_init_include_hash. Don't allocate hashtab directly.
+ (cpp_cleanup): Just call htab_delete on pfile->hashtab and
+ pfile->all_include_files.
+ (initialize_builtins): Use _cpp_make_hashnode and
+ htab_find_slot to add hash entries.
+ (cpp_finish): Just call _cpp_dump_macro_hash.
+ * cpplib.c: Include hashtab.h.
+ (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
+ create hash entries.
+ (do_pragma_poison, do_assert): Likewise.
+ (do_include): Don't push the buffer here. Don't increment
+ system_include_depth unless _cpp_read_include_file succeeds.
+ (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
+ or htab_remove_elt.
+ (do_pragma_implementation): Use alloca to create copy.
+
+ * Makefile.in: Update dependencies.
+
+2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c (cl_directive_handler): More K&R fixing.
+
+Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
+ STACK_BOUNDARY.
+ * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
+
+2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
+ Change from char[] to macros.
+
+2000-03-12 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (cpp_start_read): Update indirect function
+ call to K&R C.
+
+Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
+ entry.
+
+ * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
+ config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
+
+2000-03-11 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (struct pending option): Replace undef with a
+ pointer to a directive handling routine.
+ (struct cpp_pending): Replace separate assert_ and define_
+ lists with one directive_ list.
+ (new_pending_define): Rename new_pending_directive. Extra
+ argument is the directive's handling routine.
+ (handle_option): Update to use new_pending_directive.
+
+2000-03-11 Neil Booth <NeilB@earthling.net>
+
+ * cppfiles.c (file_cleanup, _cpp_find_include_file,
+ remap_filename, _cpp_read_include_file, actual_directory,
+ hack_vms_include_specification): Replace bcopy(), index() etc
+ calls. Add casts to some allocations. Make some variables
+ pointers to const [unsigned] char.
+ * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
+ collect_formal_parameters): Similarly.
+ * cppinit.c (struct pending_option, append_include_chain,
+ cpp_options_init, cpp_reader_init, initialize_standard_includes,
+ cpp_start_read, new_pending_define, handle_option): Similarly.
+ * cpplib.c (cpp_define, copy_comment, do_define, do_include,
+ do_undef, do_error, do_warning, do_pragma, do_pragma_once,
+ do_pragma_implementation, detect_if_not_defined,
+ do_ifdef, skip_if_group, cpp_get_token, parse_string,
+ do_assert, do_unassert): Similarly.
+ * cpplib.h (cpp_buffer, cpp_options): Update types. Update
+ function prototypes.
+ * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
+
+2000-03-10 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Revert last change.
+ Use emit_insn_before if we're at the beginning of a sequence.
+
+2000-03-10 Jason Merrill <jason@casey.cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Make sure that we have something
+ at the beginning of the sequence.
+
+ * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
+ deferred inlines.
+
+ * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
+
+2000-03-10 Richard Henderson <rth@cygnus.com>
+
+ * except.c (can_throw): Use INTVAL on a CONST_INT.
+ (reachable_handlers): Likewise.
+ * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
+
+2000-03-10 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
+ MD_STARTFILE_PREFIX since those are not needed on linux.
+ (ASM_FILE_START): New, from mips/gnu.h.
+
+2000-03-09 Richard Henderson <rth@cygnus.com>
+ Alex Samuel <samuel@codesourcery.com> and others
+
+ * Makefile.in (ssa.o): New rule.
+ (OBJS): Add ssa.o.
+ (STAGESTUFF): Add *.ssa and *.ussa.
+ (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
+ * rtl.def (PHI): New RTL expression.
+ * rtl.h (clear_log_links): New declaration.
+ (convert_to_ssa): Likewise.
+ (convert_from_ssa): Likewise.
+ * flow.c (split_edge): If the entry node falls through to the
+ split edge's source block, split the entry edge.
+ (clear_log_links): New function.
+ * toplev.c (ssa_dump): New variable.
+ (flag_ssa): Likewise.
+ (f_options): Add "ssa".
+ (compile_file): Create SSA dump files.
+ (rest_of_compilation): Go to and from SSA if enabled.
+ (decide_d_option): Handle -de for SSA dump files.
+ * ssa.c: New file.
+
+Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
+ same as VAR_DECL.
+
+2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
+
+ * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
+
+Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
+ (MD_STARTFILE_PREFIX_1): New macro.
+
+2000-03-09 Robert Lipe <robertl@sco.com>
+
+ * config/ia64/ia64.c: Include system.h.
+
+2000-03-09 Jason Merrill <jason@casey.cygnus.com>
+
+ * except.c (nothrow_function_p): If -fno-exceptions, just return.
+ (init_eh_nesting_info): Likewise.
+
+ * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
+ (TREE_NOTHROW): Rename from TREE_RAISES.
+ * toplev.c (rest_of_compilation): Set it.
+ * print-tree.c (print_node): Adjust.
+ * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
+ (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
+ * calls.c (emit_call_1): Add 'nothrow' parm. Add
+ REG_EH_REGION note as appropriate.
+ (libfunc_nothrow): New fn.
+ (emit_library_call, emit_library_call_value): Use it.
+ (expand_call): Check TREE_NOTHROW.
+
+ * varasm.c (make_decl_rtl): Skip initial '*' when setting
+ DECL_ASSEMBLER_NAME.
+
+2000-03-09 Andreas Jaeger <aj@suse.de>
+
+ * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
+ (TARGET_MEM_FUNCTIONS): Define.
+
+2000-03-09 Jason Merrill <jason@casey.cygnus.com>
+
+ * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
+
+ * except.c (can_throw): See through a SEQUENCE.
+ (nothrow_function_p): New fn.
+ * except.h: Declare it.
+ * function.c (current_function_nothrow): New var.
+ (prepare_function_start): Initialize it.
+ * output.h: Declare it.
+ * toplev.c (rest_of_compilation): Set it.
+ * dwarf2out.c (dwarf2out_begin_prologue): Use it.
+
+2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_formal_parameters): strncmp returns 0 for
+ match. (cpp_compare_defs): Count the nul separator when
+ advancing over argument names.
+
+2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * recog.c (preprocess_constraints): Matching constraints affect
+ same alternative/different operand, not same operand/different
+ alternative.
+
+ * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
+ register and a constant specially.
+
+2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * libgcc2.h: New file.
+ * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
+
+Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
+
+ * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
+ * configure: Regenerate.
+ * config/ia64: New.
+
+2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (LIBCPP_DEPS): New macro.
+ (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
+ it to declare deps.
+ * cpperror.c: Include cpphash.h.
+ * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
+ dingleberry.
+ (lex): Don't use CPP_WARN_UNDEF.
+ (_cpp_parse_expr): Return an int, the truth value.
+ * cppfiles.c: Include cpphash.h.
+ (_cpp_merge_include_chains): Move to cppinit.c and make static.
+ * cppinit.c (include_defaults_array): Disentangle.
+ (cpp_cleanup): Don't free the if stack here.
+ (cpp_finish): Pop off all buffers, not just one.
+ * cpplib.c (eval_if_expr): Return int.
+ (do_xifdef): Rename do_ifdef.
+ (handle_directive): Don't use CPP_PREPROCESSED.
+ (cpp_get_token): Don't use CPP_C89.
+ * fix-header.c: Don't use CPP_OPTIONS.
+
+ * cpplib.h: Move U_CHAR, enum node_type, struct
+ file_name_list, struct ihash, is_idchar, is_idstart,
+ is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
+ CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
+ CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
+ CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
+ CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
+ of _cpp_simplify_pathname, _cpp_find_include_file,
+ _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
+ Move struct if_stack to cpplib.c. Move struct cpp_pending to
+ cppinit.c.
+ Change all uses of U_CHAR to be unsigned char instead.
+ Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
+
+2000-03-08 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
+ (dwarf2out_begin_prologue): Set it.
+ (output_call_frame_info): Don't emit EH unwind info for leaves.
+
+ * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
+ can occur outside of an EH region.
+ * except.c: Correct comments about rethrow behavior.
+ (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
+
+2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
+
+ * flow.c (make_edges): Always call make_eh_edge for calls.
+
+2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
+ (struct cpp_buffer): Remove fname and underflow fields.
+ (struct cpp_reader): Remove get_token field.
+ (struct include_hash): Rename to struct ihash. Add typedef to
+ IHASH.
+ (struct if_stack): Remove fname field.
+ (IF_STACK_FRAME): Rename to IF_STACK.
+
+ * cpperror.c (print_containing_files): Trust that there are no
+ macro buffers below the top file buffer.
+ * cppfiles.c: Replace all references to 'struct include_hash'
+ with 'IHASH'. Rename initialize_input_buffer to
+ init_input_buffer. Don't set or reference cpp_buffer->fname,
+ use buffer->ihash->name instead.
+ * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
+ not CPP_NULL_BUFFER.
+ * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
+ IF_STACK_FRAME, IHASH not struct include_hash.
+ * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
+ null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
+ struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
+ references to cpp_buffer->fname (delete entirely, or use
+ ->ihash->name instead) and IF_STACK->fname.
+ (cpp_push_buffer): Don't set new->underflow.
+ (do_include): Use cpp_file_buffer.
+
+ * cpphash.c (collect_formal_parameters): Remove duplicate
+ increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
+ used as a macro argument name. Don't append "..." to namebuf
+ for varargs macros. After we're done scanning, go through
+ namebuf and make it NUL separated, not comma separated.
+ (_cpp_compare_defs): Remove register tag from variables.
+ Expect defn->argnames to be NUL separated.
+ (_cpp_dump_definition): Expect defn->argnames to be NUL
+ separated and in forward order.
+ * cpphash.h: Update documentation of argnames field.
+
+2000-03-08 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_strlen): Be prepared for strlensi
+ to fail. Don't pre-expand the source operand.
+
+ * i386.md (strlensi): Initialize eoschar and align before use.
+
+2000-03-08 Jason Merrill <jason@casey.cygnus.com>
+
+ * expr.c (expand_expr, case ARRAY_REF): Still check for missing
+ CONSTRUCTOR element.
+
+2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
+
+ * mips.c (mips_expand_prologue): If the last
+ named argument is the vararg marker "va_list", treat it as
+ an unnamed argument.
+
+2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
+
+ * dbxout.c (dbxout_parms): When correcting for promoted
+ big-endian parameters, use the mode of the DECL_RTL rather
+ than UNITS_PER_WORD.
+
+2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-common.h (make_fname_decl): Declare.
+ * c-common.c (make_fname_decl): Define.
+ (declare_hidden_char_array): Remove.
+ (declare_function_name): Use make_fname_decl.
+ * c-decl.c (c_make_fname_decl): New function.
+ (init_decl_processing): Set make_fname_decl.
+
+Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
+
+ * cccp.c (handle_directive): Initialize backslash_newlines_p.
+
+2000-03-07 Philipp Thomas <pthomas@suse.de>
+
+ * po/POTFILES.in: Remove cppalloc.c from file list.
+
+2000-03-07 Steve Chamberlain <sac@pobox.com>
+
+ * pj.c (pj_expand_prologue): current_function->args_info is
+ now current_function_args_info.
+
+ * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
+ LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
+ ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
+
+2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
+ output as hexadecimal rather than the default octal.
+
+2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (special_symbol): Fix thinko in previous commit.
+
+2000-03-07 Neil Booth <NeilB@earthling.net>
+
+ * cppexp.c (struct operation, left_shift, right_shift,
+ cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
+ "int"s to "unsigned int"s.
+ * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
+ Similarly.
+ * cpplib.h: Update for above.
+ * mkdeps.c (deps_init, deps_calc_target): Cast pointers
+ returned from allocations.
+
+ * cppinit.c (opt_comp, parse_options): New functions.
+ (handle_option): Use parse_option to parse a single command
+ line option, that possibly takes an argument.
+ (cpp_handle_options): Sort the array of command line options on
+ first invocation (non-ASCII hosts only).
+ (print_help): Update.
+
+2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
+ backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
+
+ * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
+ initialized.
+ * cppinit.c (cpp_cleanup): Free imp->nshort also.
+
+ * cpperror.c (cpp_print_containing_files,
+ cpp_print_file_and_line, v_cpp_message): Rename to
+ print_containing_files, print_file_and_line, and v_message.
+ * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
+ to _cpp_parse_expr, parse_escape, and lex.
+ (parse_charconst): Remove broken multibyte support.
+ * cppfiles.c (include_hash): Make static.
+ (cpp_included): New function.
+ (merge_include_chains, find_include_file, finclude,
+ simplify_pathname): Rename to _cpp_merge_include_chains,
+ _cpp_find_include_file, _cpp_read_include_file, and
+ _cpp_simplify_pathname.
+ * cpphash.c (cpp_lookup, free_definition, delete_macro,
+ cpp_install, create_definition, macroexpand, compare_defs,
+ dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
+ _cpp_delete_macro, _cpp_install, _cpp_create_definition,
+ _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
+ * cppinit.c (cpp_handle_option): Rename to handle_option, make
+ static.
+ * cpplib.c: Remove extern prototype of cpp_parse_expr.
+
+ * cpphash.h: Update prototypes.
+ * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
+
+2000-03-07 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
+ PTRDIFF_TYPE should be based solely on Pmode.
+ (SIZE_TYPE): ditto.
+
+2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.h (rtunion_def): Constify member `rtstr'.
+ (emit_line_note_after, emit_line_note, emit_line_note_force,
+ emit_note, decode_asm_operands): Constify.
+
+ * cse.c (canon_hash): Likewise.
+
+ * dbxout.c (dbxout_block): Likewise.
+
+ * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
+ v_warning_for_asm): Likewise.
+
+ * dwarfout.c (function_start_label): Likewise.
+
+ * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
+ emit_line_note_force): Likewise.
+
+ * final.c (last_filename, asm_insn_count, final_scan_insn,
+ output_source_line): Likewise.
+
+ * function.h (struct emit_status): Likewise.
+
+ * gcse.c (hash_expr_1): Likewise.
+
+ * genattr.c (gen_attr, main): Likewise.
+
+ * genattrtab.c (struct function_unit, current_alternative_string,
+ write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
+ attr_numeral, check_attr_test, check_attr_value,
+ convert_set_attr_alternative, convert_set_attr,
+ compute_alternative_mask, simplify_by_exploding, gen_attr,
+ gen_unit): Likewise.
+
+ * genflags.c (gen_insn): Likewise.
+
+ * gengenrtl.c (type_from_format): Likewise.
+
+ * genopinit.c (gen_insn): Likewise.
+
+ * genoutput.c (n_occurrences, process_template, process_template):
+ Likewise.
+
+ * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
+ Likewise.
+
+ * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
+ Likewise.
+
+ * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
+ ggc_set_mark, ggc_get_size): Likewise.
+
+ * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
+
+ * optabs.c (init_one_libfunc): Likewise.
+
+ * output.h (assemble_start_function): Likewise.
+
+ * recog.c (decode_asm_operands): Likewise.
+
+ * toplev.c (rest_of_compilation): Likewise.
+
+ * tree.h (emit_line_note_after, emit_line_note,
+ emit_line_note_force): Likewise.
+
+ * varasm.c (asm_output_bss, asm_output_aligned_bss,
+ asm_emit_uninitialised, assemble_start_function,
+ assemble_variable, const_hash, compare_constant_1,
+ find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
+
+ * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
+
+ * alpha/alpha.md (call_vms, call_value_vms): Likewise.
+
+ * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
+ arm_dllimport_name_p): Likewise.
+
+ * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
+ Likewise.
+
+ * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+ * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
+ arm_mark_dllexport, arm_mark_dllimport,
+ arm_pe_encode_section_info): Likewise.
+
+ * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
+ ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * arm/thumb.c (thumb_function_prologue): Likewise.
+
+ * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
+ ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * i386/i386-protos.h (asm_output_function_prefix): Likewise.
+
+ * i386/i386.c (asm_output_function_prefix): Likewise.
+
+ * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
+ ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
+ ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * m32r/m32r.c (m32r_encode_section_info): Likewise.
+
+ * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mcore/mcore.c (mcore_encode_section_info): Likewise.
+
+ * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
+
+ * mips/mips.md (movdi, movsi): Likewise.
+
+ * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
+ ASM_OUTPUT_ASCII): Likewise.
+
+ * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
+ output_mi_thunk, output_toc): Likewise.
+
+ * rs6000/rs6000.md (movsi): Likewise.
+
+ * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * v850/v850.c (print_operand, print_operand_address,
+ v850_encode_data_area): Likewise.
+
+2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.md (zero_extendsidi2): Always force operand
+ one to memory for mips16.
+
+Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
+ (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
+ (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
+ (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
+ (min_precision): Result is unsigned.
+ (add_double, neg_double, mul_double): Low word is unsigned.
+ (lshift_double, rshift_double, lrotate_double): Likewise.
+ (rrotate_double, div_and_round_double): Likewise.
+ (tree_floor_log2, compare_tree_int): New functions.
+ (preserve_rtl_expr_temps): New declaration.
+ * c-common.c (declare_hidden_char_array): Use compare_tree_int.
+ (decl_attributes): Use tree_log2 to find alignment.
+ Check for TREE_INT_CST_HIGH for format args.
+ (min_precision): Now unsigned.
+ Use tree_floor_log2.
+ (truthvalue_conversion): Delete long-disabled code.
+ * c-decl.c (finish_struct): Clean up tests on field width.
+ (finish_function): Use compare_tree_int.
+ * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
+ * c-typeck.c (comptypes): Use tree_int_cst_equal.
+ (default_conversion, digest_init): Use compare_tree_int.
+ (build_binary_op): Use integer_all_onesp and compare_tree_int.
+ Fix type errors in forming masks.
+ * calls.c (initialize_argument_information): Use compare_tree_int.
+ * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
+ * except.c (expand_eh_region_start_tree): Use compare_tree_int.
+ * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
+ (store_field): Use compare_tree_int.
+ (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
+ (expand_expr, case ARRAY_REF): Use compare_tree_int.
+ (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
+ (do_store_flag): Use compare_tree_int.
+ * fold-const.c (encode, decode): Low part is always unsigned.
+ (force_fit_type, add_double, neg_double, mul_double): Likewise.
+ (lshift_double, rshift_double, lrotate_double): Likewise.
+ (rrotate_double, div_and_round_double, int_const_binop): Likewise.
+ (fold_convert): Use compare_tree_int.
+ (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
+ (invert_truthvalue, case INTEGER_CST): Likewise.
+ (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
+ * mkdeps.c (deps_dummy_targets): Make I unsigned.
+ * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
+ (lshift_double, rshift_double, lrotate_double, rrotate_double):
+ Likewise.
+ * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
+ (expand_end_case): Use compare_tree_int.
+ (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
+ * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
+ (layout_decl): Likewise.
+ (layout_record, layout_union): Make sizes unsigned.
+ (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
+ (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
+ * tree.c (struct type_hash): hashcode is unsigned.
+ (build_type_attribute_variant, type_hash_list): Likewise.
+ (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
+ (attribute_hash_list, build_array_type, build_method_type): Likewise.
+ (build_complex_type): Likewise.
+ (real_value_from_int_cst): Remove unneeded casts.
+ (integer_all_onesp): Add casts.
+ (tree_floor_log2, compare_tree_int): New functions.
+ (build_index_type): Use tree_int_cst_sgn.
+ * varasm.c (assemble_variable): Use compare_tree_int.
+
+2000-03-06 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpphash.c (collect_expansion): Also catch ## at start of macro.
+
+ * varasm.c (make_decl_rtl): Don't add a number to members of
+ local classes.
+ (make_function_rtl): Likewise.
+
+2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
+ patch from 2000-01-28.
+
+2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/sh/sh.c: (barrier_align): Handle a delay slot that is
+ filled with an insn from the jump target.
+
+2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
+ (c4x_external_ref): Likewise.
+ * config/c4x/c4x.c (struct name_list): Likewise.
+
+1999-12-16 Ben Collins <bcollins@debian.org>
+
+ * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
+ argument to genmultilib.
+ * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
+ the contents into the multilib.h header.
+ * gcc.c: Declare multilib_exclusions for the specs file.
+ (set_multilib_dir): Use it.
+ (print_multilib_info): Likewise.
+ * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
+ to pass to genmultilib.
+
+2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (built_in_class_names, built_in_names): Constify a
+ char*.
+
+ * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
+ int.
+ (_mcleanup): Ensure value matches format specifier in sprintf.
+
+ * cpphash.c (special_symbol): Don't needlessly cast away
+ const-ness.
+
+ * cppinit.c (base_name): Delete unused prototype.
+
+ * mkdeps.c (deps_init): Make definition K&R safe.
+
+ * tree.h (built_in_class_names, built_in_names): Constify a
+ char*.
+
+2000-03-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
+ floating point instructions for epilogue delay.
+
+ * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
+ to gas if it supports .register pseudo.
+
+ * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
+ LONG_DOUBLE_TYPE_SIZE if not defined.
+ Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
+ LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
+ * real.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * print-rtl.c: Likewise.
+ * rtl.c: Likewise.
+ * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
+ MASK_LONG_DOUBLE_128.
+ * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
+ * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
+ * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
+ (SUBTARGET_SWITCHES): Define.
+ (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
+ with -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+ (CC1_SPEC): Include -mlong-double-{64,128} as needed.
+ * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
+ (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
+ with -mlong-double-128.
+ (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+ * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
+ TARGET_LONG_DOUBLE_128): Define.
+ * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
+ * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
+ long double on TARGET_ARCH64.
+
+2000-03-06 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (free_temps_for_rtl_expr): Don't free slots
+ that have been pushed into a higher level.
+
+ Revert this patch:
+ 2000-03-05 Mark Mitchell <mark@codesourcery.com>
+
+2000-03-05 Mark Mitchell <mark@codesourcery.com>
+
+ * basic-block.h (ALLOCA_REG_SET): Remove.
+ (INITIALIZE_REG_SET): New macro.
+ * flow.c (update_life_info): Use it.
+ (calculate_global_regs_live): Likewise.
+ (propagate_block): Likewise.
+ * global.c (build_insn_chain): Likewise.
+ * haifa-sched.c (schedule_region): Likewise.
+
+2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
+
+ * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
+ (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
+ (DWARF_ARANGES_PAD_SIZE): New define.
+ (output_aranges): Use it to pad the address range header.
+ (DWARF_ROUND): Fix for non power of 2 rounding.
+
+2000-03-05 Jason Merrill <jason@casey.cygnus.com>
+
+ * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
+
+2000-03-05 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.def (RTL_EXPR): Update documentation.
+ * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
+ * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
+ * function.c (preserve_rtl_expr_temp): New function.
+ (preserve_rtl_expr_temps): Likewise.
+ (preserve_rtl_expr_result): Use it.
+
+ Revert this patch:
+ 2000-03-04 Mark Mitchell <mark@codesourcery.com>
+
+2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
+
+ * regmove.c (copy_src_to_dest) Do not create src->dest move
+ for unchanging destination.
+
+2000-03-04 Mark Mitchell <mark@codesourcery.com>
+
+ * function.h (struct sequence_stack): Remove rtl_expr.
+ (struct emit_staus): Likewise.
+ (seq_rtl_expr): Remove.
+ * tree.h (free_temps_for_rtl_expr): Don't declare.
+ (start_sequence_for_rtl_expr): Likewise.
+ * rtl.h (preserve_rtl_expr_result): Likewise.
+ * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
+ (start_sequence_for_rtl_expr): Remove.
+ (push_topmost_sequence): Don't save sequence_rtl_expr.
+ (pop_topmost_sequence): Remove comment about not restoring it.
+ (end_sequence): Don't set seq_rtl_expr.
+ (init_emit): Don't initialize it.
+ (mark_sequence_stack): Don't mark it.
+ (mark_emit_status): Likewise.
+ * except.c (protect_with_terminate): Use
+ start_sequence_for_rtl_expr, not start_sequence.
+ * expr.c (expand_expr, case RTL_EXPR): Don't call
+ preserve_rtl_expr_result or free_temps_for_rtl_expr.
+ * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
+ (preserve_rtl_expr_result): Remove.
+ (free_temps_for_rtl_expr): Likewise.
+ (pop_temp_slots): Likewise.
+ (mark_temp_slot): Don't mark the rtl_expr.
+ * stmt.c (expand_start_stmt_expr): Use start_sequence, not
+ start_sequence_for_rtl_expr.
+
+2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * mkdeps.c, mkdeps.h: New files.
+ * po/POTFILES.in: Add them.
+ * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
+ (cpplib.o, cppinit.o): Depend on mkdeps.h.
+ (mkdeps.o): New target.
+
+ * cppfiles.c: Delete deps_output.
+ * cppinit.c: Include mkdeps.h. Delete known_suffixes,
+ OBJECT_SUFFIX, and base_name.
+ (cpp_cleanup): Use deps_free. Free ihash->name when clearing
+ the include hash.
+ (initialize_dependency_output): Use deps_init,
+ deps_add_target, deps_calc_target, and deps_add_dep. Remove
+ all the unnecessary string bashing.
+ (cpp_finish): Use deps_write. Remove an unnecessary nesting
+ level.
+ * cpplib.c (do_include): Use deps_add_dep.
+ * cpplib.h (struct cpp_reader): Replace deps_buffer,
+ deps_allocated_size, deps_size, deps_column members with
+ single pointer to a struct deps. Delete prototype of
+ deps_output.
+
+ * cppinit.c: Fix thinko in previous patch.
+
+Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
+ * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
+ (mode_for_size_tree): New function.
+ (layout_decl, layout_type): Call it and clean up BLKmode checks.
+ * tree.h (mode_for_size_tree): New declaration.
+
+ * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
+
+2000-03-04 Jason Merrill <jason@casey.cygnus.com>
+
+ * stmt.c (is_body_block): Move...
+ * dwarfout.c, dwarf2out.c: ...from here.
+ * tree.h: Declare it.
+ * emit-rtl.c (remove_unnecessary_notes): Don't remove the body block.
+ * final.c (final_start_function): Do call remove_unnecessary_notes
+ when scheduling.
+
+2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
+
+ * cpplib.h (_dollar_ok): New macro.
+ (is_idchar, is_idstart): Use it.
+ (IStable): Rename to _cpp_IStable. Declare it const if
+ gcc >=2.7 or C99. Delete all references to FAKE_CONST.
+ (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
+ is_space): Update for renamed IStable.
+
+ * cppinit.c: Delete all references to FAKE_CONST and CAT
+ macros. Define init_IStable as empty macro if gcc >=2.7 or
+ C99. Change TABLE() to ISTABLE and hardcode name of table.
+ (cpp_start_read): Don't change the IStable based on
+ dollars_in_ident.
+
+ * cpphash.c (unsafe_chars): Add pfile argument. All callers
+ changed. Handle '$' for char1 correctly.
+ * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
+
+ * cppexp.c (tokentab2): Make const.
+ (cpp_lex): Make toktab const.
+ * cppinit.c (include_defaults_array): Make const.
+ (initialize_standard_includes): Make default_include const.
+
+2000-03-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
+ (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
+ (gen_decl_die): Likewise.
+ * dwarfout.c (dwarfout_file_scope_decl): Likewise.
+ (output_decl): Likewise.
+
+ * varasm.c (make_function_rtl): If we change the name used in the
+ rtl, update DECL_ASSEMBLER_NAME accordingly.
+ (make_decl_rtl): Likewise.
+
+ * toplev.c (rest_of_compilation): Tweak formatting.
+
+ * toplev.c (rest_of_compilation): find_loop_tree_blocks before
+ remove_unnecessary_notes.
+ (debug_ignore_block): New fn.
+ * toplev.h: Declare it.
+ * emit-rtl.c (remove_unnecessary_notes): Call it.
+ * dwarf2out.c (dwarf2out_ignore_block): New fn.
+ * dwarf2out.h: Declare it.
+ * final.c (final_start_function): Don't call remove_unnecessary_notes
+ if we did insn scheduling.
+
+2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
+ * cpplib.h: Delete SET_CPP_PEDANTIC.
+
+Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
+ result is a RECORD_TYPE.
+
+2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
+
+2000-03-03 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
+ addition over compliments over shifts.
+
+Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine_note_use): Handle return register USEs.
+ REG case: Handle multi-hard-register hard regs.
+
+Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * md.texi: Document use of '*' in insn pattern name.
+
+2000-03-03 Jason Merrill <jason@casey.cygnus.com>
+
+ * calls.c (special_function_p): operator new may not be malloc-like.
+
+ * gcse.c (dump_hash_table): Really fix error in last change.
+
+2000-03-02 Denis Chertykov <denisc@overta.ru>
+
+ * avr.c (print_operand): Use print_operand_address instead of
+ output_addr_const.
+ * avr/libgcc.S: Cleanup code.
+
+2000-03-02 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
+
+2000-03-02 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (TYPE_ALIGN_UNIT): New macro.
+
+2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
+
+ * i386.c: (constant_call_address_operand): Reject CONST_INT.
+
+2000-03-02 Jason Merrill <jason@casey.cygnus.com>
+
+ * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
+ for the buffer.
+ (SET_CPP_PEDANTIC): New macro.
+ * cpplib.c (do_include): Don't bother checking system_header_p.
+ (do_warning, do_ident, do_assert, do_unassert): Likewise.
+ * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
+
+ * function.h (struct expr_status): Add x_arg_space_so_far.
+ (arg_space_so_far): New macro.
+ * expr.c (init_expr): Initialize it.
+ * calls.c (emit_call_1): Reset it.
+ (compute_argument_block_size, expand_call): Use it.
+ (expand_call, store_one_arg): Increment it.
+
+Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * varasm.c (output_constant): Strip off a CONVERT_EXPR to
+ a UNION_TYPE.
+
+2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (cpp_read_file): New function.
+
+ * cpphash.c (collect_expansion): Make sure to reset last_token
+ to NORM when we hit a string. Handle trailing whitespace
+ properly when the expansion is empty.
+ (create_definition): Disable line commands while parsing the
+ directive line.
+ (dump_definition): If pfile->lineno == 0, output a line
+ command ahead of the dump, and add a trailing newline.
+
+ * cppinit.c (append_include_chain): Add fifth argument, which
+ indicates whether or not system headers are C++ aware.
+ (initialize_standard_includes): New function,
+ broken out of read_and_prescan. Pass 'cxx_aware' value from
+ the include_defaults_array on to append_include_chain.
+ (dump_special_to_buffer): Const-ify char array.
+ (builtin_array): Don't dump __BASE_FILE__.
+ (cpp_start_read): Use cpp_read_file. Reorder code for
+ clarity. Don't output line commands here for -D/-A/-U
+ switches. Don't call deps_output for files included with
+ -include or -imacros.
+
+ * cpplib.c (do_define): Don't pay any attention to the second
+ argument.
+ (cpp_expand_to_buffer): Disable line commands while scanning.
+ (output_line_command): Work in the file buffer.
+ * cpplib.h: Remove no_record_file flag from struct cpp_reader.
+ Fix formatting of comments. Prototype cpp_read_file.
+
+Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
+ reference the language-equivalent of sizetype.
+ * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
+ * fold-const.c (size_binop, size_diffop): Put back checks.
+ * gcse.c (dump_hash_table): Fix minor error in last change.
+ * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
+ Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
+ all sizetypes.
+
+Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call) Do not attempt to combine stack adjustments
+ with inhibit_defer_pop set.
+
+2000-03-01 Mark Mitchell <mark@codesourcery.com>
+
+ * stor-layout.c (layout_decl): Allow front-ends to explicitly set
+ the DECL_SIZE for a FIELD_DECL.
+
+2000-03-01 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.tpl: remove unused symlinks
+ * fixinc/README: GCC Maintainer info
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.sh: regen
+
+2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_expansion): Trim trailing white space
+ from macro definitions, but don't go past the last insertion
+ point.
+
+Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (mulqi3): New pattern.
+
+2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
+ token types.
+ (struct cpp_reader): Add parsing_if_directive and
+ parsing_define_directive flags.
+ (struct cpp_options): Remove output_conditionals flag.
+ (check_macro_name): Delete prototype.
+
+ * cpphash.h (struct macrodef): Delete.
+ (struct reflist): Separate from struct definition.
+ (struct definition): Remove unused fields. Add column number.
+ (create_definition): Returns a DEFINITION *. Takes a
+ cpp_reader * and an int.
+
+ * cpphash.c (SKIP_WHITE_SPACE): Delete.
+ (PEEKC): Copy defn from cpplib.c.
+ (rest_extension, REST_EXTENSION_LENGTH): Delete.
+ (struct arg): New.
+ (struct arglist): Simplify.
+ (collect_expansion): Rewrite. Get tokens by calling
+ cpp_get_token. Add more error checking.
+ (collect_formal_parameters): New function, broken out of
+ create_definition and reworked to use get_directive_token.
+ (create_definition): All real work is now in collect_expansion
+ and collect_formal_parameters. do_define handles finding the
+ macro name. Return a DEFINITION, not a MACRODEF.
+ (macroexpand): Replace bcopy with memcpy throughout. Replace
+ character-at-a-time copy loop with memcpy and pointer increments.
+ (compare-defs): d1->argnames / d2->argnames might be null.
+
+ * cpplib.c (copy_rest_of_line): Delete function.
+ (skip_rest_of_line): Do all the work ourselves.
+ (skip_string): New function.
+ (parse_string): Use skip_string.
+ (get_macro_name): New function.
+ (check_macro_name): Delete.
+ (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
+ (cpp_skip_hspace): Use CPP_BUMP_LINE.
+ (handle_directive): ICE if we're called on a macro buffer.
+ (do_define): Determine macro name and type (funlike/objlike)
+ here. Expunge all uses of MACRODEF.
+ (cpp_push_buffer): Set line_base to NULL.
+ (do_undef, read_line_number): Don't worry about getting a POP token.
+ (eval_if_expression): Set/reset parsing_if_directive around
+ cpp_parse_expr. Don't clear only_seen_white.
+ (skip_if_group): Remove output_conditionals logic. Use
+ skip_rest_of_line.
+ (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
+ tokens under appropriate conditions.
+ (cpp_unassert): Call do_unassert not do_assert. Oops.
+
+ * cppexp.c (parse_defined): New function, break out of
+ cpp_lex.
+ (cpp_lex): We now get CPP_ASSERTION tokens and can check them
+ ourselves, with cpp_defined.
+ * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
+
+ * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
+ * gcc.dg/strpaste-2.c: New.
+
+2000-02-29 Mark Mitchell <mark@codesourcery.com>
+
+ * fold-const.c (size_binop): Don't asert inputs are the same and
+ have TYPE_IS_SIZETYPE set.
+ (size_diffop): Likewise.
+
+2000-02-29 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarfout.c (output_block): Output abstract blocks even if they
+ don't have TREE_ASM_WRITTEN set.
+
+ * calls.c (emit_library_call): Check for null REG.
+
+2000-03-01 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * c-decl.c (current_function_decl): Move to toplev.c.
+ (init_decl_processing): Don't add current_function_decl as a ggc
+ root here.
+ * dbxout.c (dbxout_symbol): Change return type to int.
+ (dbxout_symbol_location, dbxout_syms): Likewise.
+ (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
+ any locals. Use current_function_func_begin_label if set.
+ * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
+ * dwarf2out.c (dwarf2out_begin_prologue): Set
+ current_function_func_begin_label.
+ * final.c (final_start_function): Reset it.
+ * toplev.c (current_function_decl): Define it here.
+ (current_function_func_begin_label): New variable.
+ (main): Add both as ggc roots.
+ * tree.h (current_function_func_begin_label): Declare.
+
+Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c: Cleanups throughout: mostly white-space, but also
+ some minor rearrangement of code.
+
+Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
+
+ * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
+ returns a PARALLEL. Use emit_group_load and use_group_regs
+ as needed.
+ (emit_library_call_value): Similarly.
+
+ * pa/t-pa: Use quadlib.c instead of quadlib.asm.
+ * pa/quadlib.asm: Remove.
+ * pa/quadlib.c: New file.
+
+ * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
+ * configure: Rebuilt.
+
+2000-02-29 Philip Blundell <pb@futuretv.com>
+
+ * config/arm/conix-elf.h: New file.
+ * configure.in (arm*-*-conix*): New configuration.
+ * configure: Regenerate.
+
+2000-02-28 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (gen_block_die): Output abstract blocks even if they
+ don't have TREE_ASM_WRITTEN set.
+
+Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Eliminate DECL_FIELD_SIZE.
+ * builtins.c (built_in_class_names, built_in_names): New variables.
+ * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
+ * expr.c (expand_expr, case COMPONENT_REF): Get field size from
+ DECL_SIZE, not DECL_FIELD_SIZE.
+ * print-tree.c (print_node): Remove code that prints extra blank
+ lines in some cases.
+ Properly handle inline and builtin function cases.
+ * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
+ * tree.h (built_in_class_named, built_in_names): New declarations.
+ (union tree_decl): Rename internal unions to u1 and u2 and change
+ some of their components.
+ Add new field built_in_class.
+ (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
+ Reflect above changes.
+ (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
+ (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
+ * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
+ (encode_field_decl): Likewise; also remove obsolete test for bitfield.
+
+2000-02-28 Dmitri Makarov <dim@windriver.com>
+
+ * extend.texi: Document ARM's support for long/short calls.
+
+ * invoke.texi: Document ARM's -mlong-calls command line switch.
+
+ * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
+ (arm_encode_call_attribute): Add prototype.
+ (arm_set_default_type_attribute): Add prototype.
+ (arm_strip_name_encoding): Add prototype.
+
+ * config/arm/arm.c (arm_init_cumulative_args): replace
+ initialisation og 'long_calls' field with initialisation of
+ 'call_cookie' field.
+ (enum arm_pragma_enum): New enum.
+ (arm_pragma_long_calls): New static variable.
+ (arm_process_pragma): Also process "#pragma long_calls_off".
+ (arm_valid_type_attribute_p): Accept short_call attribute.
+ (arm_comp_type_attributes): Check long/short call attributes.
+ (arm_encode_call_attribute): New function: Encode long_call
+ or short_call attribute in function name.
+ (arm_set_default_type_attributes): New function: Assign
+ default attributes to newly defined type.
+ (current_file_function_operand): New function: Return true if
+ the symbol is a function which has already been compiled.
+ (arm_is_longcall_p): New function: Return true if the
+ indicated function should be called via a long call.
+ (arm_get_strip_length): New function. Returns number of
+ prefix characters to be stripped from a function's name.
+ (arm_strip_name_encoding): New function. Strip prefix characters
+ from a function's name.
+
+ * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
+ with 'call_cookie'.
+ (SHORT_CALL_FAG_CHAR): Define.
+ (LONG_CALL_FAG_CHAR): Define.
+ (ENCODED_SHORT_CALL_ATTR_P): Define.
+ (ENCODED_LONG_CALL_ATTR_P): Define.
+ (ARM_NAME_ENCODING_LENGTHS): Define.
+ (STRIP_NAME_ENCODING): Define.
+ (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
+ (ARM_ENCODE_CALL_TYPE): Define.
+ (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
+ (ARM_DECLARE_FUNCTION_SIZE): Define.
+ (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
+
+ * config/arm/arm.md (call): Call arm_is_longcall_p to decide
+ if a long call is needed.
+ (call_value): Ditto.
+ (call_symbol): Ditto.
+
+ * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
+ ARM_DECLARE_FUNCTION_SIZE.
+
+ * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
+ (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
+ (ARM_STRIP_NAME_ENCODING): Undefine.
+ (STRIP_NAME_ENCODING): Undefine.
+ (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
+ (ASM_DECLARE_FUNCTION_NAME): Ditto.
+ (ASM_OUTPUT_COMMON): Ditto.
+ (ASM_DECLARE_OBJECT_NAME): Ditto.
+
+ * config/arm/pe.c (arm_dllexport_name_p): Check for
+ ARM_PE_FLAG_CHAR.
+ (arm_dllimport_name_p): Ditto.
+ (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
+ (arm_mark_dllimport): Ditto.
+
+Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
+
+2000-02-28 Mark Mitchell <mark@codesourcery.com>
+
+ * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
+
+2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
+ * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
+ NO_BUILTIN_WCHAR_TYPE is not defined.
+ (CPP_WCHAR_TYPE): Delete.
+ * cccp.c (main): Don't change wchar_type if cplusplus.
+ (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
+
+2000-02-28 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
+
+Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
+
+ * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
+ (ASM_WEAKEN_LABEL): Define.
+
+Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (store_constructor): Do not emit USE.
+ * rtl.h (stupid_life_analysis): Remove.
+
+Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (number_blocks): Reset next_block_index based on
+ what debugging format is used, not what is defined.
+
+ * lcm.c: Minor reformatting throughout.
+ (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
+
+ * toplev.c (rest_of_compilation): Account for time in
+ optimize_mode_switching.
+
+ * jump.c (jump_optimize_1): Don't call delete_barrier_successors
+ if only marking labels.
+
+Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Attempt to combine stack adjustments with
+ pending stack adjustments.
+
+Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (reg_in_basic_block_p): Don't abort when falling through
+ to the end of the function.
+
+2000-02-27 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (remove_unnecessary_notes): Remove notes for empty
+ blocks.
+ * final.c (next_block_index): Remove.
+ (max_block_depth): Likewise.
+ (pending_blocks): Likewise.
+ (init_final): Don't initialize them.
+ (final_start_function): Don't set next_block_index. Set up
+ BLOCK_NUMBER.
+ (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
+ * function.h (number_blocks): New function.
+ * function.c (get_block_vector): New function.
+ (identify_blocks): Use it.
+ (reorder_blocks): Set NOTE_BLOCK.
+ (number_blocks): New function.
+ * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
+ * tree.h (BLOCK_NUMBER): New macro.
+ (tree_block): Add block_num field.
+ * dbxout.c (next_block_number): Remove.
+ (dbxout_init): Don't set it.
+ (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
+ set. Use BLOCK_NUMBER, rather than next_block_num, to determine
+ block numbers.
+ * toplev.c (rest_of_compilation): Always call
+ find_loop_tree_blocks. Fix indentation.
+ * dwarf2out.c (next_block_number): Remove.
+ (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
+ to determine block numbers.
+ (gen_inlined_subroutine_die): Likewise.
+ (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
+ (decls_for_scope): Don't increment next_block_number.
+ * dwarfout.c (next_block_number): Remove.
+ (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
+ to determine block numbers.
+ (output_inlined_subroutine_die): Likewise.
+ (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
+ (output_decls_for_scope): Don't increment next_block_number.
+ * sdbout.c (next_block_number): Remove.
+ (sdbout_block): Use BLOCK_NUMBER.
+ (sdbout_begin_block): Simplify.
+ * xcoffout.c (next_block_number): Remove.
+ (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
+ (xcoffout_begin_block): Don't set next_block_number.
+ (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
+ next_block_number.
+
+Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
+ (expand_builtin_strcpy): Pass correct type to size_binop.
+ (expand_builtin_strcmp): Likewise.
+ Clean up conditional structure.
+ * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
+ (complete_array_type): Don't use size_binop for MAXINDEX.
+ * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
+ (c_sizeof_nowarn, c_size_in_bytes): Likewise.
+ (c_alignof): Use size_one_node.
+ (build_unary_op): Pass arg of proper type to size_binop.
+ (really_start_incremental_init, push_init_level): Use sizetype for
+ constructor{,_bit,_unfilled}_index.
+ (pop_init_label, output_init_element): Likewise.
+ (output_pending_init_elements, process_init_element): Likewise.
+ * calls.c (compute_argument_block_size): Field VAR is ssizetype.
+ * expr.c (store_expr): Use size_int.
+ (store_constructor): Use proper types for size_binop args.
+ (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
+ (expand_expr_unaligned): Likewise.
+ (string_contant): Return object of sizetype.
+ * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
+ (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
+ (ARGS_SIZE_TREE): Pass proper types to size_binop.
+ * fold-const.c (int_const_binop): Refine when size_int is called.
+ (fold_convert): Likewise.
+ (size_int_wide): Rework to take KIND as arg, only take low order
+ bits, handle new sizetype_tab datatype, and chain entries in
+ size_table.
+ (size_int_type_wide): New function.
+ (size_binop): Validate types of arguments.
+ (ssize_binop): Deleted.
+ (size_diffop): New function.
+ (extract_muldiv): Only fold division into multiplication for sizetypes.
+ * function.c (assign_parms): Use size_diffop and make sure
+ VAR field is of ssizetype; also pass proper type to size_binop.
+ (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
+ (round_down): Deleted from here.
+ * store-layout.c (sizetype_tab): Now an array.
+ (sizetype_set, early_root_list): New variables.
+ (variable_size): Use size_one_node.
+ (round_up): Pass proper type to size_binop.
+ (round_down): Moved to here and corrected as above.
+ (layout_record): Pass proper arg types to size_binop.
+ (layout_type): Likewise.
+ If sizetype_set is zero, record the type just laid out.
+ (make_unsigned_type): Don't call set_sizetype;
+ (make_signed_type): Likewise; also, call fixup_signed_type.
+ (initialize_sizetypes): New function.
+ (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
+ set name of bitsizetype to "bit_size_type".
+ Fix up type of sizes of all types made before call.
+ * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
+ * tree.c (fix_sizetype): Deleted.
+ (build_common_tree_nodes): Call initialize_sizetypes.
+ (build_common_tree_nodes_2): Don't call fix_sizetype.
+ * tree.h (TYPE_IS_SIZETYPE): New macro.
+ (initialize_sizetype): New declaration.
+ (enum size_type_kind): New type.
+ (struct sizetype_tab): Deleted.
+ (sizetype_tab): Now array; adjust sizetype macros.
+ (size_diffop, size_int_type_wide): New functions.
+ (size_int_wide): Change number of args and type; access macros changed.
+ (ssize_int, sbitsize_int): New macros.
+ * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
+ (ROUND_TYPE_SIZE_UNIT): New macro.
+
+2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
+
+Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
+ Mark as possibly unused.
+
+ * cse.c (cse_insn): Delete dead code involving tablejump.
+ Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
+
+ * Makefile.in (libcpp.a): Start by deleting it.
+
+2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpplib.h (enum file_change_code): Added rename_file.
+ * cpplib.c (do_line): If a filename is given, set file_change to
+ rename_file.
+ (output_line_command): If file_change is rename_file, always
+ output a # directive with the file name.
+
+ * cpplib.c (do_pragma): Accept #pragma without consecutive token.
+
+2000-02-26 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
+ when copying a PARM_DECL or RESULT_DECL.
+
+2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fix-header.c (recognized_function): Also fix prototypes for
+ functions taking "void".
+
+2000-02-26 Geoff Keating <geoffk@cygnus.com>
+
+ * reload1.c (do_output_reload): Check reg_reloaded_valid before
+ looking at reg_reloaded_contents.
+
+2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (STMP_FIXINC): New toggle.
+ (LIBGCC2_DEPS): Delete all references.
+ (stmp-headers): Delete target. All references either deleted
+ or changed to stmp-int-headers.
+ (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
+ (LIBCPP_OBJS): Take out cppalloc.o.
+ (cppalloc.o): Delete target.
+ (stmp-int-hdrs): Depend on $(STMP_FIXINC).
+ (gen-protos, fix-header): Link with libiberty.a.
+ * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
+ to empty.
+
+ * configure.in: Remove refs to strerror.
+ * acconfig.h: Take out NEED_DECLARATION_STRERROR.
+ * system.h: Take out strerror stanza.
+
+ * cpperror.c (my_strerror): Delete function.
+ (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
+ * cppmain.c (main): Call xmalloc_set_program_name first thing.
+ * cppalloc.c: Delete file.
+ * gen-protos.c: Don't provide xrealloc.
+
+ * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
+ xstrerror throughout.
+
+2000-02-26 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
+ match for DOS headers, too.
+ * fixinc/inclhack.sh,fixincl.x: Regenerate.
+
+2000-02-26 Geoff Keating <geoffk@cygnus.com>
+
+ * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
+ is right for most ELF targets.
+ * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
+ Let the default file use %U properly.
+ * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
+ default.
+
+ * config/fp-bit.c (pack_d): Properly handle rounding of denormal
+ numbers.
+
+Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (documented_lang_options): Correct spelling error.
+ (decode_d_option, decode_f_option, main): Likewise.
+
+ * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
+
+ * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
+ to tell assembler it is permitted to expand large constants.
+
+2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * protoize.c: (AUX_INFO_SUFFIX): New macro.
+ (aux_info_suffix): Use.
+ (SAVE_SUFFIX): New macro.
+ (save_suffix): Use.
+ (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
+ (gen_aux_info_file): Use aux_info_suffix instead of ".X".
+ (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
+
+ * invoke.texi (Running Protoize): Update documentation.
+
+2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
+
+2000-02-25 John Wehle (john@feith.com)
+
+ * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
+
+2000-02-25 Anthony Green <green@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Rebuild jump labels if
+ combine_instructions has created a new direct jump.
+ * combine.c (try_combine): Add new_direct_jump_p argument. Set it
+ when appropriate.
+ (combine_instructions): Call try_combine with new argument.
+ Return non-null value when new direct jump instruction is created.
+ * rtl.h: combine_instructions returns an int.
+
+Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_insn): Replace the PATTERN of the insn with an new
+ jump when changing a computed jump into a jump to a known
+ target.
+
+Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
+
+ * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
+ to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
+
+ * i386.md (define_expand "clrstrsi"): Fix typo.
+
+Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
+
+ * rtl.texi: Fix typo.
+
+Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
+ UNITS_PER_WORD. Change caller initial_elimination_offset.
+ (rounded_frame_size): Take into account that argument pushed has
+ changed. Fix TARGET_ALIGN_DOUBLE problem.
+
+2000-02-25 Geoff Keating <geoffk@cygnus.com>
+
+ * haifa-sched.c (schedule_block): Explain the real reason
+ we delete REG_SAVE_NOTEs on the first insn of a block.
+ Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
+
+2000-02-24 Mark Mitchell <mark@codesourcery.com>
+
+ * input.h (push_srcloc): New function.
+ (pop_srcloc): Likewise.
+ * toplev.c (push_srcloc): Define it.
+ (pop_srcloc): Likewise.
+
+2000-02-24 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (life_analysis): When collecting reg info, clear
+ regs_ever_live.
+
+Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ Fix bug exposed by reload.c no longer rounding the frame
+ size to BIGGEST_ALIGNMENT:
+ * sh.c (rounded_frame_size): New function.
+ (sh_expand_prologue, sh_expand_epilogue): Use it.
+ (initial_elimination_offset): Likewise.
+
+Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
+ * sh-protos.h (sh_need_epilogue): Declare.
+ * sh.c (sh_need_epilogue_known): New static variable.
+ (sh_need_epilogue): New function.
+ (function_epilogue): Clear need_epilogue_known.
+ * sh.md (return): Split into expander / insn pattern.
+ Make the expander conditional on ! sh_need_epilogue ().
+
+2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * machmode.h (get_mode_alignment): Declare.
+ (GET_MODE_ALIGNMENT): Call it.
+ * stor-layout.c (get_mode_alignment): New function. Make
+ sure alignment is always power of 2.
+
+2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386.h: Remove useless definition of "I386" and misleading
+ comment above it.
+
+2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
+ under which TREE_PERMANENT will be set.
+ * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
+ build1): Use TREE_SET_PERMANENT.
+ * print-tree.c (print_node): Don't report value of
+ TREE_PERMANENT if ggc_p is true.
+
+ * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
+ decide whether to give a type a new alias set.
+ * objc/objc-act.c (build_objc_string_object): Never copy the string.
+ * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
+ of value of 'obstack'.
+
+
+2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
+
+2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
+ * cpplib.c (cpp_get_token): Produce them.
+ * cppexp.c (cpp_lex): Handle them.
+
+2000-02-23 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_comp_type_attributes): Simply and
+ comment tests on type attributes.
+
+Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * final.c (shorten_branches): Make value passed to LOOP_ALIGN
+ conform to documentation.
+ * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
+ to check for special cases.
+ * sh-protos.h (sh_loop_align): Declare.
+ * sh.c (sh_loop_align): Define.
+
+2000-02-22 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
+ (SIZE_TYPE): Is 32 bits when using -mgp32.
+ (PTRDIFF_TYPE): Ditto.
+
+Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
+
+2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
+ BIGGEST_FIELD_ALIGNMENT a constant.
+
+2000-02-21 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (output_line_info): Put the marker for the end of
+ the line number info at the actual end.
+ (gen_struct_or_union_type_die): Use decl_function_context
+ to check for local classes.
+ * dwarfout.c (output_type): Likewise.
+
+Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
+ for arguments with a mode, but no type.
+ (FUNCTION_ARG_CALLEE_COPIES): Similarly.
+ * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
+ * pa/long_double.h: New file.
+ * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
+ both have 128bit wide long doubles.
+ * configure: Rebuilt.
+
+2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
+
+ * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
+ fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
+ (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
+
+ * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
+
+ * integrate.c (compare_blocks, find_block): Likewise.
+
+ * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
+
+ * rtl.h (set_file_and_line_for_stmt): Constify a char*.
+
+ * stmt.c (stmt_status, set_file_and_line_for_stmt,
+ expand_asm_operands): Likewise.
+
+Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * predict.c (estimate_probability): Added the pointer heuristic to
+ the collection of static branch predictors.
+
+2000-02-21 Catherine Moore <clm@cygnus.com>
+
+ * config/mips/mips.h (ASM_SPEC): Add -mfix700.
+ * invoke.texi (-mfix7000): Document.
+
+2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (init_output_buffer): Make it possible to output at
+ least 32 characters if we're given a too long prefix.
+
+2000-02-20 Mark Mitchell <mark@codesourcery.com>
+
+ * varasm.c (initializer_constant_valid_p): Call
+ lang_expand_constant to simplify the constant.
+
+2000-02-20 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def(stdio_va_list):
+ typedef needs to be disabled.
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+2000-02-20 Geoff Keating <geoffk@cygnus.com>
+
+ * print-rtl.c (print_rtx): Don't print addresses when
+ flag_dump_unnumbered.
+
+2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.c (sparc_output_scratch_registers): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (sparc_va_arg, sparc_flat_output_function_prologue,
+ sparc_flat_output_function_epilogue): Cast value to unsigned in
+ comparison.
+ (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
+
+ * sparc.md: Add default case in switch.
+
+2000-02-19 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (add_pending_init): Don't abort for multiple
+ fields at the same offset.
+ (pending_init_member): Test the correct member.
+
+2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
+ instead of SImode.
+ (start_catch_handler) : Same.
+
+2000-02-19 Brad Lucier (lucier@math.purdue.edu)
+
+ * Makefile.in: Have flow.o depend on $(EXPR_H)
+
+Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
+ * c-decl.c (duplicate_decls, finish_enum): Likewise.
+ (finish_decl): Remove -Wlarger-than code from here.
+ * flags.h (id_clash_len): Now int.
+ (larger_than_size): Now HOST_WIDE_INT.
+ * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
+ Clean up checking to see if in table.
+ (make_bit_field_ref): Remove extra parm to bitsize_int.
+ * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
+ * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
+ * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
+ and for computing size of decl.
+ * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
+ Move -Wlarger-than code to here.
+ (layout_record): Remove extra arg to bitsize_int.
+ Set TYPE_BINFO_SIZE_UNIT.
+ (layout_union): Remove extra arg to bitsize_int.
+ Use proper type for size of QUAL_UNION.
+ (layout_type): Remove extra arg to bitsize_int.
+ * toplev.c (id_clash_len): Now int.
+ (larger_than_size): Now HOST_WIDE_INT.
+ (decode_W_option): Clean up id-clash and larger-than- cases.
+ * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
+ (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
+ * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
+ (struct tree_decl): New field size_unit.
+ (size_int_wide): No HIGH operand; NUMBER is now signed.
+ (size_int_2): Deleted.
+ (size_int, bitsize_int): Don't use it and rework args.
+ * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
+
+Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
+
+2000-02-18 Geoff Keating <geoffk@cygnus.com>
+
+ * invoke.texi (Warning Options): Add an explanation of why
+ you might want the -Wfloat-equal flag.
+
+Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
+ * cppinit.c (new_pending_define): Add cast to avoid warning.
+ * expmed.c (extract_bit_field): Likewise.
+ * flow.c (enum reorder_skip_type): New type.
+ (skip_insns_between_blcok): New it.
+ Rework to avoid warning about possibly undefined variable.
+ * function.c (assign_parms): Make thisparm_boundary unsigned.
+ * genrecog.c (write_switch): Cast XWINT result to int.
+ * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
+ * mips-tfile.c (init_file): Make two versions of FDR initializer:
+ one for MIPS and one for Alpha.
+ (get_tag, copy_object): Add casts to avoid warnings.
+ * optabs.c (init_one_libfunc): Cast NAME to (char *).
+ * reload.c (find_reloads): Make TYPE enum reload_type.
+ * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
+ * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
+ * varasm.c (compare_constant_1): Add cast to avoid warning.
+ * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
+ to (char *).
+ (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
+ Cast switch operand of size to int.
+ (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
+ * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
+ in unhandled case.
+
+2000-02-18 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
+ anything for an alignment of zero.
+
+ * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
+ anything for an alignment of zero.
+
+2000-02-18 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * gcc.texi (Bug Reporting): Refer to bugs.html.
+ (Bug Lists): Likewise.
+ * system.h (GCCBUGURL): New preprocessor define.
+ * rtl.c (fancy_abort): Use it.
+ * gcc.c (main): Likewise.
+
+2000-02-18 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
+ (life_analysis_1): Subsume into ...
+ (life_analysis): ... here. Force PROP_REG_INFO off after reload.
+ Use update_life_info for the relaxation.
+ (update_life_info): Update REG_BASIC_BLOCK for registers live on
+ entry and regs_live_at_setjmp.
+ (set_noop_p): Simplify.
+ (notice_stack_pointer_modification_1): Renamed from s/_1//.
+ (record_volatile_insns): Split into ...
+ (delete_noop_moves): ... here,
+ (notice_stack_pointer_modification): ... here,
+ (insn_dead_p): ... and here.
+ (propagate_block): Don't query INSN_VOLATILE.
+ (mark_used_regs): Mind !PROP_REG_INFO.
+ * toplev.c (rest_of_compilation): Call mark_constant_function here,
+ not in life_analysis.
+
+Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
+
+ * loop.c (canonicalize_condition): New function,
+ broken out of get_condition.
+ (get_condition): Use it.
+ * expr.h (canonicalize_condition): Prototype it.
+
+ * tree.h (tree_int_cst_msb): Declare.
+ * tree.c (tree_int_cst_msb): New function.
+
+2000-02-17 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
+ isn't set.
+
+ * invoke.texi (-fmessage-length=n): Document.
+
+2000-02-17 Jason Merrill <jason@casey.cygnus.com>
+
+ * bitmap.c (bitmap_operation): Don't leak bitmap elements.
+
+2000-02-17 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Put a line note
+ after the prologue.
+
+2000-02-17 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c: Replace includes of system headers with
+ #include "system.h".
+
+2000-02-16 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
+ Add crtbeginS.o and crtendS.o.
+ * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
+ (ENDFILE_SPEC): Use crtendS.o.
+ * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
+
+ * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
+ (__do_global_dtors_aux): ... here. Call __cxa_finalize if
+ shared and present.
+ (__dso_handle): New variable.
+ * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
+ bias to __CTOR_END__.
+
+2000-02-16 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
+
+Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * longlong.h (__clz_tab): Declare as static to match definition.
+
+2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
+ (XREF_FILE_NAME): Define.
+
+ * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
+ (EH_FRAME_SECTION_ASM_OP): Define.
+ (IDENT_ASM_OP): Define.
+ (TEXT_SECTION_ASM_OP): Define.
+ (CPP_SPEC): Define.
+ (CTORS_SECTION_ASM_OP): Define.
+ (CTOR_SECTION_FUNCTION): Use it.
+ (DTORS_SECTION_ASM_OP): Define.
+ (DTOR_SECTION_FUNCTION): Use it.
+
+2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
+
+ * reg-stack.c (emit_swap_insn): Do not put a new insn before a
+ NOTE_BASIC_BLOCK.
+
+ * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
+ debug_bb_n): New functions.
+ (dump_flow_info, print_rtl_with_bb): Use dump_regset.
+ * basic-block.h: Prototype new functions.
+
+Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
+
+ * configure.in: Add support for avr target.
+ * configure: Rebuilt.
+
+ * invoke.texi: Add AVR invocation docs.
+ * install.texi: Add information about AVR.
+ * md.texi: Add AVR constraint letters description.
+ * extend.texi: Add description for AVR specific attributes.
+
+2000-02-16 Jason Merrill <jason@casey.cygnus.com>
+
+ * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
+
+2000-02-16 Nick Clifton <nickc@cygnus.com>
+
+ * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
+ (make_insn_raw): Move RTL check here.
+
+2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * version.c: Include gansidecl.h and version.h.
+
+ * version.h: Wrap entire file in macro __GCC_VERSION_H__.
+
+ * configure.in (gcc_version): When setting, narrow search to
+ lines containing `version_string'.
+
+ * Makefile.in (mainversion): Likewise.
+ (GCC_H): New variable.
+ (gcc.h): Delete target.
+ (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
+ (version.o): Depend on version.h.
+ (dbxout.o): Don't depend on gcc.h.
+
+Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
+ Michael Meissner <meissner@cygnus.com>
+
+ * md.texi (Simple Constraints): Add item about whitespace.
+ * genoutput.c (strip_whitespace): New.
+ (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
+ strip_whitespace for constraints.
+ Test pointer using NULL, not 0.
+
+2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cpplib.c (do_line): Pedwarn for #line > 32767.
+
+ * c-lex.c (readescape): Warn about '\x', but do not reject it.
+
+2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
+
+ * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
+ to default cpp spec.
+ (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
+ * cpp.texi: Document __GNUC_PATCHLEVEL__.
+ * cpp.1: Likewise.
+
+ * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
+ default spec.
+
+2000-02-15 Denis Chertykov <denisc@overta.ru>
+
+ * configure.in: Add support for avr target.
+
+Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
+ (sh_addr_diff_vec_mode): Don't declare.
+ * sh.c (sh_addr_diff_vec_mode): Delete.
+
+Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
+
+Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
+ (smulsi3_highpart_i): Name.
+ (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
+ (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
+ (smulsi3_highpart, umulsi3_highpart): Likewise.
+
+ (mulsidi3_i, umulsidi3_i): Make rtl describe operation
+ correctly independent of endianness.
+ (mulsidi3, umulsidi3): Now define_insn. Hide details that
+ confuse the optimizers.
+ (mulsidi3+1, umulsidi3+1): New define_split.
+
+Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
+
+ * config/sh/sh.md: Guard insn splits against illegal registers.
+ * config/sh/sh.h: Correct comment about macros.
+
+Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+ Andrew MacLeod <amacleod@cygnus.com>
+
+ * Makefile.in (lcm.o): Depend on insn-attr.h.
+ * basic-block.h (optimize_mode_switching): Declare.
+ * lcm.c (tm_p.h, insn-attr.h): #include.
+ (seginfo, bb_info): New structs.
+ (antic, transp, comp, delete, insert) : New file-scope static variables.
+ (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
+ (reg_becomes_live, optimize_mode_switching): Likewise.
+ * tm.texi: Add description of mode switching macros.
+ * toplev.c (rest_of_compilation): Call optimize_mode_switching.
+
+ * sh-protos.h (remove_dead_before_cse): Remove prototype.
+ (fldi_ok, fpscr_set_from_mem): New prototypes.
+ * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
+ (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
+ Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
+ (sh_flag_remove_dead_before_cse): Remove declaration.
+ (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
+ (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
+ (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
+ * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
+ (barrier_align): Allow for JUMP_INSNS containing a parallel.
+ (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
+ (fldi_ok): New function.
+ (get_fpscr_rtx): Add fpscr_rtx as GC root.
+ (emit_sf_insn): Only generate fpu switches when optimize < 1.
+ (emit_df_insn): Likewise.
+ (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
+ (sh_flag_remove_dead_before_cse): Delete.
+ (get_free_reg, fpscr_set_from_mem): New functions.
+ * sh.md (movdf, movsf): Remove no_new_pseudos code.
+ (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
+
+2000-02-15 Loren Rittle <ljrittle@acm.org>
+
+ * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
+
+2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
+ cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
+
+ * cccp.c: Include version.h and/or don't declare `version_string'.
+ * collect2.c: Likewise.
+ * alpha.c: Likewise.
+ * arm/aof.h: Likewise.
+ * arm/coff.h: Likewise.
+ * arm/elf.h: Likewise.
+ * arm/pe.h: Likewise.
+ * arm/tcoff.h: Likewise.
+ * arm/telf.h: Likewise.
+ * arm/tpe.h: Likewise.
+ * arm/vxarm.h: Likewise.
+ * convex/convex.c: Likewise.
+ * i386/dgux.c: Likewise.
+ * i386/sun386.h: Likewise.
+ * m88k/m88k.c: Likewise.
+ * mcore/mcore-pe.h: Likewise.
+ * mips/mips.h: Likewise.
+ * romp/romp.h: Likewise.
+ * sh/sh.c: Likewise.
+ * cpphash.c: Likewise.
+ * cppinit.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarfout.c: Likewise.
+ * gcc.c: Likewise.
+ * gcc.h: Likewise.
+ * mips-tfile.c: Likewise.
+ * protoize.c: Likewise.
+ * toplev.c: Likewise.
+ * tree.h: Likewise.
+
+ * version.c (version_string): Constify a char*.
+
+ * version.h: New file.
+
+2000-02-14 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add mcore-elf and mcore-pe targets.
+ * configure: Regenerate.
+
+ * NEWS: Add note that MCore port has been contributed.
+
+ * invoke.texi: Document command line switches for MCore port.
+ * install.texi: Add MCore to list of supported targets.
+
+2000-02-14 Geoff Keating <geoffk@cygnus.com>
+
+ * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
+ then we will need to import the frame handling functions.
+ (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
+ to import the frames themselves.
+
+Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
+ Jason Eckhardt <jle@cygnus.com>
+
+ * basic_block.h: Added prototype for reorder_basic_blocks.
+ * toplev.c: Changes to add -freorder-blocks and graph dump after
+ block reordering is done.
+ * flow.c (reorder_block_def): New structure for use during block
+ reordering.
+ (REORDER_BLOCK_*): New macros to access members of above structure.
+ (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
+ make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
+ functions for block reordering.
+
+Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * gcc.texi (Passes): Fix typo.
+ * md.texi (Standard Names): Ditto.
+ * tm.texi (Storage Layout): Ditto.
+
+2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (do_define): Only free the old definition if it
+ actually had one.
+
+2000-02-13 Neil Booth <NeilB@earthling.net>
+
+ * cppfiles.c (read_and_prescan): When emitting deferred
+ newlines, test speccase[] again instead of checking each
+ possible whitespace character in turn. When we encounter \r,
+ look behind for \n first, then ahead.
+
+2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cse.c (cse_altered): New internal flag.
+ (cse_insn): Set it if we changed an insn.
+ (cse_main): Clear cse_altered before each basic block.
+ Only garbage collect if cse_altered is true afterward.
+
+Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
+
+Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (simplify_comparison): Fix typo.
+
+Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
+
+ * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
+ consistently.
+
+2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
+ previously inserted node instead of root node. Caller changed.
+
+2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
+
+2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
+ __dereg_frame_dtor): Add prototype argument.
+
+ * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
+
+ * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
+
+ * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
+
+ * gthr-vxworks.h (__gthread_once): Likewise.
+
+ * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
+
+Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
+ (ix86_expand_epilogue): ... here. Use mov instead of add to restore
+ stack pointer in functions w/o saved registers, output LEAVE more often
+ on TARGET_USE_LEAVE machines.
+
+2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
+
+ * config/arm/arm.c (arm_init_cumulative_args); New function:
+ Initlaise the CUMULATIE_ARGS strcuture for a function
+ definition.
+ (arm_function_arg): New function: Determine where to place a
+ function's argument. Also handles deciding the function's
+ call cookie.
+ (current_file_function_operand): New function: Return true if
+ the symbol is a function which has already been compiled.
+ (arm_is_long_call_p): New function: Return true if the
+ indicated function should be called via a long call.
+ (arm_valid_type_attribute_p): New function: Return true if the
+ attribute is a valid, arm specific, attribute.
+ (arm_comp_type_attribute): New function: Return true if the
+ two types have compatible, arm specific, attributes.
+
+ * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
+ structure.
+ (FUNCTION_ARG): Redefine to call arm_function_arg.
+ (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
+ structure field.
+ (INIT_CUMULATIVE_ARGS): Redefine to call
+ arm_init_cumulative_args.
+ (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
+ field.
+ (SETUP_INCOMING_VARARGS): Redefine to use correct structure
+ field.
+ (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
+ functions.
+ (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
+ (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
+ (COMP_TYPE_ATTRIBUTES): Define.
+
+ * config/arm/arm.md (call): Call arm_is_long_call_p to decide
+ if a long call is needed.
+ (call_value): Call arm_is_long_call_p to decide if a long call
+ is needed.
+ (call_symbol): Call arm_is_long_call_p to decide if a long call
+ is needed.
+
+ * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
+
+2000-02-11 Denis Chertykov <denisc@overta.ru>
+
+ * README.AVR: New file with information about the avr ports.
+ * config/avr: New directory with avr port files.
+
+2000-02-11 Andreas Jaeger <aj@suse.de>
+
+ * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
+
+2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c: Fix formatting, update commentary.
+ (dump_definition): Take three separate arguments instead of a
+ MACRODEF structure argument.
+ * cpphash.h: Update prototype of dump_definition.
+ * cppinit.c (cpp_finish): Update call of dump_definition.
+
+ * cpplib.c (do_define): Always create new hash entry with
+ T_MACRO type. Remove redundant check for redefinition of
+ poisoned identifier. Update call of dump_definition.
+ (do_undef): Don't call check_macro_name. Rename sym_length to
+ len.
+ (do_error, do_warning): Don't use copy_rest_of_line or
+ SKIP_WHITE_SPACE.
+ (do_warning): Don't use pedwarn for the actual warning,
+ only the notice about its not being in the standard. (Fixes
+ bug with #warning in system headers.)
+ (do_ident): Stricter argument checking - accept only a single
+ string after #ident. Also, macro-expand the line.
+ (do_xifdef): Use cpp_defined. De-obfuscate.
+
+ (do_pragma): Split out specific pragma handling to separate
+ functions. Use get_directive_token. Update commentary. Do
+ not pass on #pragma once or #pragma poison to the front end.
+ (do_pragma_once, do_pragma_implementation, do_pragma_poison,
+ do_pragma_default): New.
+
+Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (jump_optimize_1): The first operand in a relational
+ can be a CONST_INT.
+ * optabs.c (emit_conditional_move): Handle relationals which
+ have a known true/false result.
+
+2000-02-11 Geoff Keating <geoffk@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't insert
+ a RETURN insn into a block which already ends with a jump.
+
+2000-02-11 Geoff Keating <geoffk@cygnus.com>
+
+ * haifa-sched.c (BUF_LEN): Increase a lot.
+
+2000-02-11 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add tm_p_file specification for thumb targets.
+ * configure: Regenerate.
+
+ * config/arm/thumb-protos.h: New file: Prototypes for exported
+ functions defined in thumb.c.
+
+2000-02-11 Robert Lipe <robertl@sco.com>
+
+ * Makefile.in (bootstrap-lean): Remove additional files.
+ (bootstrap2-lean): Likewise.
+ (VOL_FILES): List of files for above.
+
+2000-02-11 Nathan Sidwell <nathan@acm.org>
+
+ * cpphash.c (special_symbol): Remove spurious argument to
+ cpp_lookup.
+
+2000-02-11 Joel Sherrill (joel@OARcorp.com>
+
+ * configure.in: (i*86-*-rtems*): Swapped elf and coff
+ stanzas.
+ * configure: Rebuilt.
+
+2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
+
+Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c, pa.h: Remove trigraph sequences within comments.
+
+Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
+
+ * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
+
+Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
+
+ * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
+
+2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
+
+2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
+ (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
+ (ASM_FILE_END): Use c4x_file_end.
+ * config/c4x/c4x.c (c4x_global_label): New function.
+ (c4x_external_ref, c4x_file_end): Likewise.
+
+ * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
+ (c4x_external_ref, c4x_end_file): Likewise.
+
+2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppexp.c: Don't include cpphash.h.
+ (parse_charconst, cpp_lex): Use cpp_defined.
+ (cpp_lex): Use get_directive_token throughout. Remove
+ unnecessary cases from switch. Move assertion-handling code
+ down to OTHER case.
+ (cpp_parse_expr): If we see '+' or '-', check the context to
+ determine if they are unary or binary operators. Streamline
+ the jumps a bit. Do not call skip_rest_of_line.
+
+ * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
+ static. Export get_directive_token. Update commentary.
+ (cpp_defined): New function.
+ (do_define): Remove reference to T_PCSTRING. Call
+ free_definition to release memory for old definition, when
+ redefining a macro.
+ (eval_if_expression): Set only_seen_white to 0 before calling
+ cpp_parse_expr. Call skip_rest_of_line after it returns.
+ (cpp_read_check_assertion): Don't preserve a pointer into the
+ token buffer across a call to cpp_get_token.
+
+ * Makefile.in (cppexp.o): Don't depend on cpphash.h.
+ * cppfiles.c (redundant_include_p): Use cpp_defined.
+ * cpphash.c (free_definition): New function.
+ (delete_macro): Use it. Update commentary.
+ * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
+ free_definition.
+ * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
+ from enum node_type. Prototype cpp_defined and get_directive_token.
+ Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
+
+ * fix-header.c (check_macro_names): Use cpp_defined.
+ (read_scan_file): Set inhibit_warnings and inhibit_errors in
+ the options structure.
+
+2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
+
+2000-02-10 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
+ rather than die->die_tag.
+
+Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (make_extraction, force_to_mode): Avoid warning on
+ mixed-signedness conditionals.
+ (make_field_assignment, nonzero_bits): Likewise.
+ * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
+ (store_split_bit_field, extract_split_bit_field): Likewise.
+ (extract_fixed_bit_field, store_bit_field,
+ * expr.c: Change alignment to be unsigned everywhere.
+ (move_by_pieces, store_constructor_field, store_constructor):
+ Alignment parm is unsigned.
+ (emit_block_move, emit_group_load, emit_group_store): Likewise.
+ (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
+ (do_compare_rtx_and_jump): Likewise.
+ (move_by_pieces_ninsns, clear_by_pieces): Likewise.
+ Compare align with GET_MODE_ALIGNMENT.
+ (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
+ (get_inner_reference): Likewise.
+ (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
+ (expand_assignment): Local vars for alignment now unsigned.
+ (store_constructor, store_field, expand_expr, do_jump): Likewise.
+ (do_compare_and_jump): Likewise.
+ (store_field): Call new function expr_align.
+ * expr.h (emit_block_move, emit_group_load, emit_group_store):
+ Alignment arg now unsigned.
+ (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
+ (do_compare_rtx_and_jump, store_bit_field): Likewise.
+ (extract_bit_field): Likewise.
+ * fold-const.c (add_double): Add cast to eliminate signedness warning.
+ * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
+ (get_best_mode): Alignment arg is unsigned.
+ * rtl.h (move_by_pieces): Likewise.
+ * store-layout.c (maximum_field_alignment, set_alignment):
+ Now unsigned.
+ (layout_decl): Alignment arg is now unsigned.
+ Remove unneeded casts.
+ (layout_record, layout_union, layout_type): Remove unneeded casts.
+ Local alignment variables now unsigned.
+ (get_best_mode): Alignment arg now unsigned.
+ * tree.c (expr_align): New function.
+ * tree.h (expr_align): Likewise.
+ (maximum_field_alignment, set_alignment): Now unsigned.
+ (get_inner_reference): Alignment argument is now pointer to unsigned.
+ * varasm.c (assemble_variable): Add cast to eliminate warning.
+
+Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
+
+ * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
+ then store directly into op0.
+
+ * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
+ the CALL_INSN, and emit the note immediately after it.
+
+2000-02-10 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.md (epilogue): Include a (return) in the
+ generated insn, and emit it using emit_jump_insn not
+ emit_insn.
+
+Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * function.c (assign_temp): Change zero-sized arrays to size 1.
+ * integrate.c (expand_inline_function): Do not update
+ stack_alignment_needed
+ * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
+ add some sanity checking, remove optimization for function with
+ zero frame size.
+
+2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * flow.c (mark_regs_live_at_end): Delete unused variables.
+
+ * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
+
+ * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
+ in macro FRAME_GROWS_DOWNWARD.
+
+ * stmt.c (expand_end_bindings): Delete unused variable.
+
+ * unroll.c (iteration_info): Mark parameter `loop' with
+ ATTRIBUTE_UNUSED.
+
+2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * fixinc/server.c (load_data): Return NULL if the marker line is
+ not found.
+ (run_shell): If load_data returns NULL, retry the command once, in
+ a new shell.
+
+ * configure: Rebuilt.
+
+2000-02-09 Bruce Korb <bkorb@gnu.org>
+
+ * gcc/fixincludes: ** DELETED **
+ * gcc/fixcpp: ** DELETED **
+ * gcc/fixinc-nt.sed: ** DELETED **
+ * gcc/just-fixinc: ** DELETED **
+ * gcc/Makefile.in: Removed out-dated commentary
+ * gcc/configure.in: Removed fast-fixincludes disablement.
+ * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
+
+2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
+ * function.c (thread_prologue_and_epilogue_insns): Uncomment
+ last change.
+
+2000-02-09 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (delete_insn): Don't delete user labels at -O0.
+
+2000-02-09 Robert Lipe <robertl@sco.com>
+
+ * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
+ Don't link with HOST_LIBS.
+
+2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Correct --help text for --with-dwarf2.
+ Put tm-dwarf2.h after other tm files, if it's requested.
+ * configure: Regenerate.
+ * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
+ defining it.
+
+2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h: Provide HASHNODE typedef and forward decl of
+ struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
+ DEFINITION, struct hashnode, struct macrodef, struct
+ definition, scan_decls prototype, default defn of
+ INCLUDE_LEN_FUDGE moved elsewhere.
+
+ * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
+ definition, and struct hashnode moved here. Remove the unused
+ 'predefined' field from struct definition. Replace the 'args'
+ union with its sole member. All users updated (cpphash.c).
+ Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
+ multiple include guard.
+
+ * cpphash.c (hashf): Make static; use better algorithm; drop
+ HASHSIZE parameter; return an unsigned int.
+ (cpp_lookup): Drop HASH parameter. PFILE parameter is
+ used. Calculate HASHSIZE modulus here.
+ (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
+ here.
+ (create_definition): Drop PREDEFINITION parameter.
+ * cpplib.c (do_define): Don't calculate a hash value here.
+ Don't pass (keyword == NULL) to create_definition.
+
+ * scan.h: Prototype scan_decls here.
+ * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
+ * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
+ callers of cpp_lookup and cpp_install updated.
+
+ * cpphash.c (macarg): Hoist all the flag diddling out of the
+ function...
+ (macroexpand): ... and out of the loop that calls macarg.
+ Skip over the initial paren before macro arguments with
+ cpp_get_non_space_token; point may be some distance before
+ that paren. Abort if it's not there.
+
+ * cpplib.c (parse_clear_mark): Delete function.
+ (parse_set_mark, parse_goto_mark): Make static.
+ (ACTIVE_MARK_P): New macro.
+ (skip_block_comment, skip_line_comment): Do not bump the line
+ if ACTIVE_MARK_P is true.
+ (cpp_pop_buffer): The buffer to be popped may not have an
+ active mark.
+ (cpp_get_token): When looking for the initial paren before
+ macro arguments, only set a mark in a file buffer, Always
+ return to that mark before proceeding to call macroexpand or
+ return a NAME token.
+
+ * cpplib.h: Remove prototypes of parse_set_mark,
+ parse_clear_mark, parse_goto_mark.
+ (struct cpp_options): Rename 'put_out_comments' to
+ 'discard_comments' and invert its sense.
+ * cppinit.c, cpphash.c, cpplib.c: All users of
+ put_out_comments changed to use discard_comments, with
+ opposite sense.
+
+2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't delete
+ the edge from a block that both jumps and falls through to the
+ fallthru block.
+
+2000-02-09 Scott Bambrough <scottb@netwinder.org>
+
+ * config/arm/arm.md (movsi): In PIC mode, make sure that a
+ constant source address is legitimate.
+
+2000-02-09 Philip Blundell <pb@futuretv.com>
+
+ * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
+ correctly.
+
+ * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
+ generating PIC.
+ (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
+
+2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
+ ends with a newline and a NUL. Don't be so clever manipulating
+ strings.
+
+Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
+ not to BIGGEST_ALIGNMENT.
+
+2000-02-08 Geoff Keating <geoffk@cygnus.com>
+
+ * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
+ * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
+ (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
+ (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
+ * frame.c (execute_cfa_insn): Handle
+ DW_CFA_GNU_negative_offset_extended.
+
+2000-02-08 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (tidy_fallthru_edges): Split out from ...
+ (delete_unreachable_blocks): ... here.
+ (find_basic_blocks): Use it.
+
+Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
+
+2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
+ (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
+ (fix-header.o): Don't depend on cpphash.h.
+
+ * scan.c (hashstr): New function.
+ * scan.h: Prototype it.
+ * fix-header.c: Don't include cpphash.h. Use hashstr.
+ * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
+ hashstr. Report hash table statistics. Add private
+ definition of xrealloc.
+
+2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i386.h (TARGET_SWITCHES): Fix typo in option name.
+
+2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
+
+ * function.c (thread_prologue_and_epilogue_insns): Don't replace
+ jumps with returns unless they are jumps to the fallthru block.
+
+Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (addqi3_cc): Fix constraints.
+
+Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
+
+2000-02-07 Mark Mitchell <mark@codesourcery.com>
+
+ * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
+ carriage return after a macro name.
+
+2000-02-07 Fred Fish <fnf@be.com>
+
+ * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
+ so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
+
+2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (deps_output): Count spacers in deps_column.
+
+2000-02-07 Neil Booth <NeilB@earthling.net>
+
+ * cppinit.c (initialize_dependency_output): If there is no
+ suffix, don't try to look for known suffixes. Use strrchr.
+ (cpp_start_read): Remove duplicate initialization.
+
+Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (compute_argument_block_size): New argument
+ preferred_stack_boundary.
+ (expand_call): update cfun->preferred_stack_boundary, update call of
+ compute_argument_block_size
+ (emit_library_call): Increate cfun->preferred_stack_boundary
+ to PREFERRED_STACK_BOUNDARY
+ (emit_library_call_value): Likewise.
+ * explow.c (allocate_dynamic_stack_spave): Likewise.
+ * function.c (prepare_function_start): Set
+ cfun->preferred_stack_boundary
+ * function.h (struct function): Add preferred_stack_boundary field.
+ * integrate.c (expand_inline_function): Update
+ cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
+ (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
+ * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
+
+2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
+ cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
+ cpp_pedwarn, cpp_pedwarn_with_line,
+ cpp_pedwarn_with_file_and_line): Move to cpperror.c.
+ (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
+ v_cpp_error_with_line, v_cpp_warning_with_line,
+ cpp_message_from_errno, cpp_perror_with_name): Delete.
+
+ * cpperror.c (cpp_print_containing_files): Take starting
+ buffer as argument.
+ (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
+ (v_cpp_message): Now called directly by all entry points.
+ Remove -1 case.
+ (cpp_pfatal_with_name, cpp_message): Delete.
+ (cpp_notice_from_errno, cpp_ice): New functions.
+ (cpp_notice): Is now for reporting error conditions, just
+ without an associated file.
+ (cpp_error, cpp_error_with_line): Don't do anything if
+ opts->inhibit_errors is on.
+ (cpp_pedwarn_with_file_and_line): Take column argument also.
+
+ * cpplib.h: Update prototypes of exported functions.
+ (struct cpp_options): Add inhibit_errors.
+
+ * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
+ non-error messages. Include intl.h.
+
+ * cppinit.c, cppmain.c: Likewise. Also, use
+ cpp_notice_from_errno instead of cpp_perror_with_name or
+ cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
+
+ * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
+ report internal errors.
+
+ * cpplib.c (do_define): Switch bcopy to memcpy.
+ Give cpp_pedwarn_with_file_and_line a dummy column argument.
+
+ * cpplib.c (copy_rest_of_line): Revert previous change: don't
+ bail out early if we hit a line comment.
+
+2000-02-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
+ * basic-block.h: Declare them.
+ * emit-rtl.h (active_insn_p): New.
+ (next_active_insn, prev_active_insn): Use it.
+ * rtl.h: Declare it.
+ * function.c (emit_return_into_block): New.
+ (thread_prologue_and_epilogue_insns): Insert return insns instead
+ of epilogues when possible.
+ * jump.c (jump_optimize_1): Remove code to insert a return insn
+ on the fallthru to the exit block.
+
+ * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
+ and for non-empty stack frames.
+ * i386.md (return): Expand to return-pop as needed.
+
+2000-02-06 Richard Henderson <rth@cygnus.com>
+
+ * simplify-rtx.c (simplify_relational_operation): Canonicalize
+ constant to op1 for testing.
+
+2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
+ (fixuns_truncqfqi2): Use it.
+
+2000-02-06 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
+ as a TYPE_LEA insn.
+
+ * i386.md (widening and peepholes): Mask the constant instead of
+ using gen_lowpart.
+
+2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
+ input pointer before possibly branching off to the backslash
+ code.
+ * cpphash.c (macroexpand): Correctly delete \r escapes when
+ stringifying parameters.
+ * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
+ if we can; bail out early if we hit a line comment.
+ (handle_directive): Treat '# 123' in an .S file just like
+ '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
+ Return 1 for '# not_a_directive'.
+ (get_directive_token): Pop macro buffers here, so that
+ cpp_get_token can't sneakily move past a newline.
+ Add sanity checks.
+ (cpp_get_token): goto randomchar if handle_directive returns 0.
+
+ * cppalloc.c: Update copyright.
+ * cpplib.c: Merge all the static function prototypes into one
+ block.
+ * cpplib.h: Remove #if 0 block.
+
+ * cpperror.c: Remove #ifdef EMACS block.
+ * cppmain.c: Likewise.
+ * cpphash.c: Remove #if 0 blocks.
+ * cppinit.c: Remove #if 0 blocks, and the -lint option.
+ * cpplib.c: Remove #if 0 blocks and code referencing
+ pcp_inside_if or for_lint. Remove duplicate error message.
+ Fix error messages for #else after #else or #elif. Reformat.
+ Remove archaic TODO list.
+ * cpplib.h: Remove pcp_inside_if and for_lint flags.
+
+2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386/osf1elf.h: Add missing backslash to multiline string.
+
+2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
+
+2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (c-common.o): Depend on $(EXPR_H).
+
+ * c-common.c: Include expr.h.
+
+ * c-pragma.c (mark_align_stack): Add prototype.
+
+ * caller-save.c (add_stored_regs): Likewise.
+
+ * combine.c (record_promoted_value): Likewise.
+
+ * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
+ Likewise.
+
+ * cppinit.c (new_pending_define): Likewise.
+
+ * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
+
+ * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
+ AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
+ AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
+ class_scope_p): Likewise.
+
+ * dwarf2out.h (dwarf2out_set_demangle_name_func,
+ dwarf2out_add_library_unit_info): Likewise.
+
+ * ggc.h (ggc_page_print_statistics): Likewise.
+
+ * haifa-sched.c (propagate_deps): Likewise.
+
+ * reg-stack.c (next_flags_user, record_label_references): Likewise.
+
+ * rtl.h (set_stack_check_libfunc): Likewise.
+
+ * toplev.h (set_fatal_function): Likewise.
+
+ * toplev.c (set_fatal_function): Delete prototype.
+
+ * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
+
+2000-02-05 Geoff Keating <geoffk@cygnus.com>
+
+ * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
+ (FUNC_END): Likewise.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * caller-save.c: Include tm_p.h.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
+
+2000-02-04 Neil Booth <NeilB@earthling.net>
+
+ * cccp.c (main): Check 'dir' for a NULL pointer before passing
+ it to strcmp.
+
+2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
+
+ * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
+ * genflags.c: Use the max_operand_1 logic from genemit.c to
+ calculate how many arguments gen_insn prototypes have. Remove
+ NO_MD_PROTOTYPES ifdefs from the generated file.
+ * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
+ file. Cast gen_insn initializers to insn_gen_fn.
+ * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
+ * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
+
+2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/Makefile.in (HDR): Add machname.h.
+ (clean): Likewise.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
+ (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
+ (c4x_cpu_version): Ditto.
+ * config/c4x/c4x-protos.h: ... here.
+
+2000-02-04 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Don't call
+ gen_abstract_function on our context if we're a nested function.
+
+2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
+ * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
+
+2000-02-04 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/genfixes(machname.h):
+ Move the functionality from gen-machine.h into this file.
+ UNdef MN_NAME_PAT if there are no names to change.
+ Also, be a little kinder when AutoGen is not present.
+
+ * fixinc/Makefile.in(machname.h):
+ Change the generation rule to use genfixes.
+
+ * fixinc/fixfixes.c(machine_name):
+ machine_name_fix's functionality now dependent upon whether
+ MN_NAME_PAT is defined.
+
+ * fixinc/fixtests.c(machine_name):
+ ditto.
+
+ * fixinc/fixlib.c(mn_get_regexps): conditional on definition
+ of MN_NAME_PAT.
+
+ * fixinc/fixlib.h(mn_get_regexps):
+ ditto
+
+ * fixinc/gen-machine.h: DELETED
+
+2000-02-04 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * i386.c (SAVE_REGS_FIRST): Remove.
+ (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
+ (ix86_compute_frame_size): Likewise.
+ (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
+ (ix86_emit_restore_regs): Remove.
+ (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
+ when a frame pointer is in use.
+ (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
+ instead of pop to restore a register when profitable; emit leave
+ when profitable.
+ (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
+ as a TYPE_LEA insn.
+ (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
+ * i386.md (prologue_allocate_stack): Remove.
+ (epilogue_deallocate_stack): Remove.
+ (pro_epilogue_adjust_stack): New.
+
+2000-02-04 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): Rework to use a callback function.
+ Use current_function_return_rtx if it's been set up.
+ (do_clobber_return_reg, clobber_return_register): New.
+ (do_use_return_reg, use_return_register): New.
+ (expand_function_end): Use them.
+ * stmt.c (expand_null_return): Likewise.
+ * function.h: Declare them.
+ * flow.c (mark_regs_live_at_end): Use diddle_return_value.
+ (mark_reg): Change arguments as appropriate for callback.
+ * integrate.c (expand_inline_function): Revert 19 Jan change.
+
+Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * tm.texi (Values in Registers): Fix typo: "fo" "for".
+ (Misc): Say the scheduler, not the Haifa scheduler.
+
+2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
+
+ * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
+ when in_mem is set. Update all callers.
+
+2000-02-04 Richard Henderson <rth@cygnus.com>
+
+ * i386/openbsd.h (INT_ASM_OP): Define.
+
+Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * tm.texi: Fix various typos.
+
+Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
+
+ * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
+ (MD_STARTFILE_PREFIX_1): New macro.
+
+Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
+ destination when needed.
+ (strmovsi, strsetsi): New expander.
+ (strmovsi_1, strsetsi_1): New pattern.
+ * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
+ TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
+ (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
+ * invoke.texi (align-stringops, inline-all-stringops): Document.
+
+Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
+
+ * i386/netbsd.h (INT_ASM_OP): Define.
+
+2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (cpp_reader): Add new flag, no_directives.
+ * cpphash.c (macarg): Set it.
+ * cpplib.c (handle_directive): If no_directives is on and we
+ find a directive, issue an error and discard the line.
+
+Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
+
+ * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
+ FP constants. Add ! TARGET_FPU check for FP constants.
+
+2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
+
+ * flow.c (find_basic_blocks): Don't kill label_value_list
+ here.
+ (cleanup_cfg): Kill it here.
+
+Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_field): Ensure ALIGN is no stricter than the
+ alignment of EXP.
+
+2000-02-02 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (delete_insn): Partially revert 19 Jan change;
+ don't convert unused code labels to notes at -O0.
+
+2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
+ split_all_insns to recreate REG_LABEL notes for flow2 pass.
+
+2000-02-01 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (general_no_elim_operand): New.
+ (nonmemory_no_elim_operand): New.
+ (ix86_expand_move): Copy eliminable operands before a push.
+ * i386-protos.h: Declare new functions.
+ * i386.h (CAN_ELIMINATE): Simplify.
+ (PREDICATE_CODES): Update.
+ * i386.md (push insns): Don't allow eliminable register operands.
+
+2000-02-01 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_regs_live_at_end): Follow expand_function_end and
+ replace BLKmode with DECL_RTL's mode.
+
+2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
+
+ * frame.c (find_fde): Convert for loop to do-while so compiler
+ sees it's always executed at least once.
+ * libgcc2.c (BBINBUFSIZE): Kill.
+ (__bb_init_prg): Use fgets.
+ (__bb_exit_trace_func): Don't paste strings.
+ * unroll.c (unroll_loop): Initialize unroll_type, not
+ unroll_number, and tweak logic to match.
+
+ * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
+ all failure paths.
+ (ix86_flags_dependant): Likewise. Disentangle control flow.
+ (ix86_sched_reorder): Break guts out to
+ ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
+ (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
+ any possible use.
+
+ * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
+ use string concatenation. Don't save and restore esi.
+
+ * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
+ (machname.h): Remove script to separate file. Use two-step
+ sequence so target is not created if script fails.
+ * fixinc/gen-machname.h: New file. Handle case where no non-reserved
+ identifiers are defined.
+ * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
+ an empty string, machine_name doesn't need to do anything at
+ all.
+ (is_cxx_header): Add more cases to regexp.
+ * fixinc/fixlib.h: Update prototype.
+ * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
+ mn_get_regexps.
+ * fixinc/fixincl.c: Define NO_BOGOSITY.
+
+ * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
+ (hp_sysfile): Add missing comma.
+ (math_exception): Put the wrapper ifdefs at the beginning and
+ the end of the file.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
+
+2000-02-01 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (fp_zero_operand): Turn into a normal predicate.
+ Use CONST0_RTX. Update all callers.
+ * sparc.h, sparc-protos.h: Update accordingly.
+ * sparc.md (fp mov insns): Use fp_zero_operand directly
+ where applicable.
+
+Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
+ example.
+
+2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (specs.ready): New target.
+ (fixinc.sh): Depend on `specs.ready' instead of `specs'.
+
+2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc.irix: Use unique filenames for writing into /tmp,
+ * fixinc.ptx: Likewise.
+ * fixinc.sco: Likewise.
+ * fixinc.svr4: Likewise.
+ * fixinc.winnt: Likewise.
+
+2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tsystem.h: New file.
+
+ * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
+ s-crtS): Depend on tsystem.h.
+
+ * crtstuff.c: Include tsystem.h.
+ * frame.c: Likewise.
+ * libgcc2.c: Likewise.
+
+Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
+
+ * builtins.c (expand_builtin_memset): Expand for variable sized
+ lengths too.
+
+2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
+
+ * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
+ on ABI.
+
+Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
+
+ * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
+
+2000-01-31 Chandra Chavva <cchavva@cygnus.com>
+
+ * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
+ case 3->2 combining (combining with splitting) in which 2 is CC0
+ setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
+ checked at the begining of the function with the aid of calling
+ function 'can_combine_p'.
+
+2000-01-31 Dave Brolley <brolley@redhat.com>
+
+ * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
+
+2000-01-31 Jason Merrill <jason@casey.cygnus.com>
+
+ * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
+ new label.
+
+2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
+
+ * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
+ PROTO -> PARAMS.
+
+2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
+ i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
+ i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
+ i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
+ i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
+ i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
+ i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
+ i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
+ i386/vxi386.h, i386/win-nt.h, i386/win32.h:
+ Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
+
+ * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
+ Add %(cpp_cpu) to CPP_SPEC.
+
+ * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
+ Add %(cc1_cpu) to CC1_SPEC.
+
+2000-01-28 Ulrich Drepper <drepper@redhat.com>
+
+ * c-decl.c (c_decode_option): Accept optional numeric argument to
+ -Wformat and set warn_format.
+ * c-common.c: Don't emit warning about non-constant printf format
+ string unless warn_format > 1.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (return_internal): Allow after reload only.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (ix86_compute_frame_size): Omit padding1 if the
+ local frame size is zero.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
+ * alpha.h (EPILOGUE_USES): New. Mark $26 live.
+ * alpha.md (return): Turn into an expander.
+ (return_internal): Don't use $26.
+ (epilogue): Emit the return insn.
+
+2000-01-30 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (negtf2, abstf2): Fix word order thinko.
+ (extendsftf2): New.
+ (trunctfsf2): Avoid intermediate rounding errors.
+
+2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppfiles.c (find_position): Drop 'colp' argument, return the
+ new line base.
+ (read_and_prescan): Adjust to match. Don't ever manipulate
+ line or line_base except via find_position.
+
+2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-parse.in: Apply Ulrich's changes from c-parse.y.
+ * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
+ Regenerate.
+
+2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
+ just print "<command line>". If 'filename' is null or an
+ empty string, print "<stdin>" for the filename.
+ * cpplib.c (do_define): Don't print the 'location of the
+ previous definition' message if we're still parsing the
+ command line.
+ (cpp_pedwarn_with_file_and_line): Always call
+ cpp_file_line_for_message.
+
+2000-01-29 Mark Mitchell <mark@codesourcery.com>
+
+ * flow.c (mark_regs_live_at_end): Fix typo.
+
+2000-01-28 Ulrich Drepper <drepper@redhat.com>
+
+ * c-common.c: Adjust variable names, comments, help strings to c99.
+ * c-lex.c: Likewise.
+ * c-parse.y: Likewise.
+ * c-tree.h: Likewise.
+ * cccp.c: Likewise.
+ * cpplib.h: Likewise.
+ * c-decl.c: Likewise. Recognize options with names "*99" as well.
+ * cppinit.c: Likewise.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
+ * c4x.c: Define the optab rtx values.
+ (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
+ (c4x_emit_libcall): Use new optab rtx values.
+ (c4x_emit_libcall3): Likewise.
+ (c4x_emit_libcall_mulhi): Likewise.
+ * c4x-protos.h: Add prototypes for optab rtx values and change
+ prototypes for above c4x_emit_libcall functions.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (c4x_output_ascii): Restrict line length of output when TI
+ syntax is used.
+ (c4x_function_prologue): Use regnames intead of float_reg_names when
+ TI syntax is used.
+ (c4x_function_epilogue): Likewise.
+ (c4x_print_operand): Likewise.
+ * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
+ * c4x.md (set_high): Disable for TARGET_TI.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
+ of framepointer + constant to ADDR_REGS class.
+ * c4x.md (addqi3, addqi3_noclobber_reload): Update.
+ * c4x.c (std_or_reg_operand): New function.
+ * c4x-protos.h (std_or_reg_operand): Prototype it.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
+ object names as libgcc2.c.
+ * libgcc.S: Use newly defined names.
+
+Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
+ * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
+ function.
+ * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
+ * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
+ (FLOW_LOOP_LAST_BLOCK): Likewise.
+
+2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * basic-block.h (struct loop): New fields 'first' and 'last'.
+ * flow.c (flow_loops_find): Compute loop->first and loop->last.
+ (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
+ and loop->last to check for NOTE_INSN_LOOP_END.
+
+Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
+
+ * predict.c (estimate_probability): Use the new FIRST and LAST fields
+ of the loop descriptor rather than HEADER and LATCH. Also added
+ missing break statements as well making some coding style modifications
+ as suggested by Michael Hayes.
+
+2000-01-28 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks): Remove do_cleanup argument.
+ Break out that code ...
+ (cleanup_cfg): ... here.
+ (commit_one_edge_insertion): Detect a return instruction being
+ emitted to an edge. Emit a barrier following; clear fallthru.
+ (commit_edge_insertions): Verify CFG consistency.
+ * function.c (expand_function_start): Kill unused variable.
+ (expand_function_end): Likewise.
+ (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
+ to insert the epilogue.
+
+ * gcse.c (gcse_main): Adjust for find_basic_blocks change.
+ (delete_null_pointer_checks): Likewise.
+ * output.h: Likewise.
+ * reg-stack.c (reg_to_stack): Likewise.
+ * toplev.c (rest_of_compilation): Likewise. Run
+ thread_prologue_and_epilogue_insns after rebuilding the CFG.
+
+2000-01-28 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (flow.o): Revert 24 Jan change.
+ * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
+ FUNCTION_VALUE result to DECL_RESULT's mode.
+
+ * haifa-sched.c (schedule_insns): Don't recompute reg info
+ after reload.
+
+2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
+
+ * configure.in: Make --enable-cpplib the default.
+ * configure: Regenerate.
+ * gcc.dg/990119-1.c: No longer expected to fail.
+
+2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * jump.c (jump_optimize_1): Delete an optimization that is also done
+ by merge_blocks in flow.
+
+2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * diagnostic.c (build_message_string, output_printf,
+ line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
+ (build_location_prefix): Fix non-literal format string.
+
+2000-01-27 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (trunctfsf2): New.
+
+2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
+
+ * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
+
+2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c (cpp_handle_option): Recognize C++ comments under
+ -std=gnu89.
+ * cpplib.c (skip_block_comment, skip_line_comment): Split code
+ out of...
+ (skip_comment) ... here. Permit C++ comments in system
+ headers always. Warn about C++ comments in user code under
+ -std=gnu89 -pedantic.
+ (copy_comment): Use skip_comment.
+ (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
+ return EOF.
+ (consider_directive_while_skipping, do_else, do_endif): Call
+ validate_else unconditionally.
+ (validate_else): Check CPP_PEDANTIC here. Accept non-comment
+ text after the conditional in a system header.
+ * cpplib.h (struct cpp_buffer): Add flag
+ warned_cplusplus_comments.
+
+2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
+ Use unshare_all_rtl_1.
+ (unshare_all_rtl_again): New function.
+ (unshare_all_rtl_1): New function split out of unshare_all_rtl.
+
+ * function.c (purge_addressof_1): Use unshare_all_rtl_again
+ rather than resetting the 'used' flags ourself.
+
+ * toplev.c (rest_of_compilation): Add current_function_decl
+ to the unshare_all_rtl call.
+ * tree.h: Prototype unshare_all_rtl.
+ * rtl.h: Prototype unshare_all_rtl_again here.
+
+2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
+
+ * genoutput.c (output_prologue): Include ggc.h in generated
+ files.
+ * Makefile.in (insn-output.o): Depends on ggc.h.
+
+2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
+ Hans-Peter Nilsson <hp@bitrange.com>
+
+ * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
+ Remove redundant include of xm-ns32k.h.
+ * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
+ Remove redundant include of xm-ns32k.h.
+ * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
+ Remove redundant include of xm-ns32k.h.
+ * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
+
+ * ns32k/ns32k.h: Update comment on multiply-add instructions.
+ (TARGET_SWITCHES): Add documentation strings.
+ (DWARF_FRAME_REGNUM): Override default definition.
+ (REG_CLASS_CONTENTS): Add comments.
+ (SUBSET_P): Format to reduce line length.
+ (SMALL_REGISTER_CLASSES): Make a run time option.
+ (GO_IF_NONINDEXED_ADDRESS): Reformat.
+ (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
+ dereferencing it. Braces to avoid "ambiguous else" were misplaced.
+ (regclass_map): fix typo in comment.
+ * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
+ Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
+ (trace, reg_or_mem_operand): Delete, unused function.
+ (calc_address_cost): Small offsets are cheaper than large ones.
+ (expand_block_move): Generate more efficient code when bytes is a
+ known at compile time.
+ * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
+ (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
+ instead of reg_or_mem_operand.
+
+ * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
+ not general_operand. Similarly use "=rm" or stricter, not "=g".
+ For input operands, use stricter constraints than "g" if not
+ general_operand. Similarly use stricter predicate than
+ "general_operand" when stricter constraints than "g" are present,
+ except for matching constraints.
+ (movstrsi): Use "memory_operand" for operands 0 and 1.
+ (truncsiqi2, truncsihi2, trunchiqi2): Remove.
+ (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
+ not reg_or_mem_operand.
+ (udivmoddisi4): Ditto.
+ Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
+ Use nonimmediate_operand for operand 3, not register_operand.
+ (udivmoddiqi4_internal): Use register_operand for operand 1, not
+ reg_or_mem_operand.
+
+2000-01-27 Fred Fish <fnf@be.com>
+
+ * gthr-posix.h: Fix typo; compatibily -> compatibility.
+ * gthr-single.h: Likewise.
+ * gthr-solaris.h: Likewise.
+ * gthr-vxworks.h: Likewise.
+ * gthr-win32.h: Likewise.
+ * gthr.h: Likewise.
+
+2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cppinit.c: Add " (cpplib)" to end of string printed by
+ -v / --version.
+
+2000-01-27 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
+ testing for a signed comparison.
+ (alpha_emit_floatuns): New.
+ * alpha-protos.h: Declare it.
+ * alpha.md (floatunsdisf2, floatunsdidf2): New.
+ (extendsfdf2): Tidy.
+
+2000-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
+ no -g option specifying debugging format, default to -gstabs+.
+
+Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * calls.c (special_function_p): New argument fork_or_exec.
+ (expand_call): When profile_arc_flag is set and the function
+ is in the fork_or_exec group, call __bb_fork_func first.
+ * libgcc2.c, _bb module (__bb_fork_func): New function.
+ (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
+ output file.
+ * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
+ * tree.h (special_function_p): Update prototype.
+
+2000-01-26 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_split_tfmode_pair): New.
+ * alpha-protos.h: Declare it.
+ * alpha.md (abstf2, negtf2): New.
+ (movtf insn): Add input G constraint.
+ (movtf splitter): Use alpha_split_tfmode_pair.
+
+2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i386/cygwin.h: PROTO -> PARAMS.
+
+2000-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
+ TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
+ using _Qp_cmp/_Q_cmp and testing the return value.
+ (print_operand): Call reverse_condition_maybe_unordered if
+ we are handling CCFPmode or CCFPEmode.
+ Handle ORDERED, UN* and LTGT comparisons.
+ * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
+ if not TARGET_HARD_QUAD.
+ (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
+ bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
+ Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
+ Adjust gen_b* calls so that they reflect return comparison of
+ sparc_emit_float_lib_cmp.
+
+2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
+ incoming operands array is large enough for one more operand.
+ (alpha_emit_xfloating_arith): Likewise.
+
+2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
+ file with one line and no trailing newline.
+ Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
+ * fixinc/fixtests.c (machine_name_test): Fix fencepost error
+ checking if the match is on the line.
+ * fixinc/gnu-regex.c: Provide regerror not __regerror.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (output_cbranch): Fix accidental squashing of the
+ fp branch pre-delay nop.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * tree.def (UNNE_EXPR): Remove.
+ * c-typeck.c (build_binary_op): Don't handle it.
+ * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
+
+ * rtl.def (UNNE): Remove.
+ (LTGT): Add.
+ * jump.c (reverse_condition): Update accordingly.
+ (swap_condition): Likewise.
+ (comparison_dominates_p): Handle unordered comparisons.
+ (reverse_condition_maybe_unordered): New.
+ * rtl.h (reverse_condition_maybe_unordered): Declare.
+
+ * sparc.c (select_cc_mode): Update for UNNE/LTGT.
+ (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
+ * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
+ * sparc.md (bltgt): New.
+
+2000-01-25 Nick Clifton <nickc@redhat.com>
+
+ * emit-rtl.c (emit_insn): Only check machine class insns for
+ improper emission of a RETURN.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (flow.o): Depend on $(EXPR_H).
+ * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
+ duplicate the structure of diddle_return_value for keeping regs live.
+
+2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (current_loop_info): Delete.
+ (consec_sets_invariant_p): Add loop argument, update callers.
+ (get_condition_for_loop): Likewise.
+ (count_nonfixed_reads, update_giv_derive): Likewise.
+ (simplify_giv_expr, general_induction_var): Likewise.
+ (consec_sets_giv, recombine_givs): Likewise.
+ (move_movables): Delete loop_start and loop_end arguments,
+ add loop argument, and update callers.
+ (find_mem_givs, check_final_value): Likewise.
+ (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
+ (loop_invariant_p): Rename from invariant_p, add loop argument, and
+ update callers.
+ (basic_induction_var): Add loop argument, delete loop_level argument,
+ and update callers.
+ * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
+ add loop argument, and update callers.
+ (find_splittable_regs, find_splittable_givs): Likewise.
+ (reg_dead_after_loop, loop_find_equiv_value): Likewise.
+ (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
+ (biv_total_increment): Delete loop_start and loop_end arguments;
+ update callers.
+ (precondition_loop_p): Delete loop_start and loop_info arguments;
+ update callers.
+ * loop.h (get_condition_for_loop): Add loop argument.
+ (biv_total_increment): Delete loop_start and loop_end arguments.
+ (precondition_loop_p): Delete loop_start and loop_info arguments;
+ add loop argument.
+ (final_biv_value): Delete loop_start and loop_end arguments;
+ add loop argument.
+ (final_giv_value, back_branch_in_range_p): Likewise.
+
+2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
+
+2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * Makefile.in (c-gperf.h) : Change the "See" pointer to
+ point to the new "generated_files" doc.
+
+2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/fp-bit.c (_unord_f2): Fix typo.
+
+2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
+ c-typeck.c, objc/objc-act.c: Remove all references to obstack
+ functions obsoleted by GC, such as push_obstacks_nochange,
+ end_temporary_allocation, savealloc, saveable_tree_cons, etc.
+ and code which existed only to decide whether or not to call
+ them. Remove now-unused NESTED argument from start_function;
+ all callers changed. Do not change behavior based on ggc_p.
+ The use of the ixp_obstack in c-iterate.c and the util_obstack
+ in objc/objc-act.c remain; these are not obsoleted by garbage
+ collection.
+ * c-tree.h: Update prototype for start_function.
+
+ * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
+
+2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.md (zero_extendsidi2_internal): Disable for
+ mips16.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * sparc-protos.h (select_cc_mode): Declare.
+ * sparc.c (select_cc_mode): New. Handle unordered compares.
+ (output_cbranch): Always reverse via code change. Handle
+ unordered compares. Factor tests and string updates.
+ * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
+ (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
+ * sparc.md (bunordered, bordered): New.
+ (bungt, bunlt, buneq, bunge, bunle): New.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
+ * ggc-common.c (ggc_add_rtx_varray_root): New.
+ (ggc_mark_rtx_varray): New.
+ (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
+ functions down below ggc_mark_foo.
+ * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
+
+2000-01-25 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (secondary_reload_class): Don't allocate a secondary
+ for integral mode memories into FLOAT_REGS. Rearrange the more
+ complicated memory expression inward.
+
+2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
+
+ * inclhack.def: Fixes to play nicer with FreeBSD, and
+ corrections to comments.
+ (cxx_unready): Add select expression.
+ (irix_sockaddr): Add bypass expression.
+ (machine_ansi_h_va_list): New fix.
+ (stdio_va_list): No need to edit _BSD_VA_LIST_.
+ Split out addition of "#include <stdarg.h>" to...
+ (stdio_stdarg_h): ... here.
+ (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
+ to stdlib.h also. Do not munge _BSD_SIZE_T_.
+ (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
+ size_t.
+ (ultrix_ifdef): Tighten up select expression.
+
+ * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
+ re_ct and max_mach to avoid use of shell. Make printed names
+ match names in inclhack.def. Use static copyright date.
+ Don't count c_test and test expressions as requiring regex_t
+ slots. Add some commentary.
+ * inclhack.tpl: Do not include the 'This script contains N
+ fixup scripts' line if PROGRAM is defined. Use static
+ copyright date.
+
+2000-01-24 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c: include "varray.h", not dyn-string.h.
+ (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
+ (addr_const_to_string, addr_to_string): Lose.
+ (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
+ (struct dw_val_struct): val_addr is now an rtx.
+ (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
+ (used_rtx_varray): New varray.
+ (dwarf2out_init): Initialize it.
+ (save_rtx): New fn.
+ (mem_loc_descriptor, add_const_value_attribute): Call it instead of
+ addr_to_string.
+ * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
+ sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
+ * Makefile.in (dwarf2out.o): Update dependencies.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (i386_dwarf_output_addr_const): New.
+ * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
+
+ * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
+ if defined.
+ * dwarfout.c (output_mem_loc_descriptor): Likewise.
+ * i386.c (i386_simplify_dwarf_addr): New.
+ * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
+
+Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
+ TYPE_STUB_DECL is NULL.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_tree_builtin): Move ...
+ * c-common.c (expand_tree_builtin): ... here.
+
+2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.h (LOOP_INFO): New accessor macro.
+ * basic-block.h (struct loop): Rename field `info' to `aux'.
+ * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
+ (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
+ * unroll.c (loop_iterations, unroll_loop): Likewise.
+
+2000-01-24 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/t-cygwin: Accommodate new winsup directory layout
+ when searching for include files.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def: Add unordered fp comparisons.
+ * tree.def: Likewise.
+ * tree.h: Add ISO C 9x unordered fp comparison builtins.
+
+ * builtins.c (expand_tree_builtin): New function.
+ * c-typeck.c (build_function_call): Use it.
+ (build_binary_op): Support unordered compares.
+ * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
+
+ * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
+ (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
+ * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
+ (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
+ * jump.c (reverse_condition): Don't abort for UNLE etc, but
+ return UNKNOWN.
+ (swap_condition): Handle unordered compares.
+ (thread_jumps): Check can_reverse before reversing.
+ * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
+ reversed for FP.
+
+ * optabs.c (can_compare_p): New argument CODE. Verify branch or
+ setcc is present before acking for cmp_optab. Update all callers.
+ (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
+ * expmed.c (do_cmp_and_jump): Update for can_compare_p.
+ * expr.c (expand_expr): Likewise. Support unordered compares.
+ (do_jump, do_store_flag): Likewise.
+ * expr.h (enum libfunc_index): Add unordered compares.
+
+ * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
+ (DPBIT_FUNCS): Add _unord_df.
+ * config/fp-bit.c (_unord_f2): New.
+ * fp-test.c (main): Try unordered compare builtins.
+
+ * alpha-protos.h (alpha_fp_comparison_operator): Declare.
+ * alpha.c (alpha_comparison_operator): Check mode properly.
+ (alpha_swapped_comparison_operator): Likewise.
+ (signed_comparison_operator): Likewise.
+ (alpha_fp_comparison_operator): New.
+ (alpha_emit_conditional_branch): Handle unordered compares.
+ * alpha.h (PREDICATE_CODES): Update.
+ * alpha.md (fp compares): Use alpha_fp_comparison_operator.
+ (bunordered, bordered): New.
+
+2000-01-24 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
+ * alpha.md (movtf): New expander, insn, and splitter.
+
+Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
+ dead registers.
+
+Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS,
+ REG_ALLOC_ORDER): Add frame pointer
+ (FRAME_POINTER_REGNUM): Set to 20
+ (HARD_FRAME_POINTER_REGNUM): New macro.
+ (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
+ to HARD_FRAME_POINTER.
+ (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
+ (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
+ (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
+ (HI_REGISTER_NAMES): Add "frame".
+ (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
+ (debug_reg): Handle FRAME_POINTER_REGNUM.
+ (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
+ GENERAL_REGS and INDEX_REGS.
+ * i386.c (SAVED_REGS_FIRST): new macro.
+ (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
+ (ix86_decompose_address, memory_address_length): Likewise.
+ (regclass_map): Add frame pointer.
+ (call_insn_operand): Handle frame_pointer_rtx.
+ (reg_no_sp_operand): Likewise.
+ (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
+ (print_operand, legitimize_pic_address): Fix formating.
+ (ix86_compute_frame_size): Make static, update prototype, new
+ parameters padding1, padding2, use ix86_nsaved_regs, use
+ stack_alignment_needed.
+ (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
+ to HARD_FRAME_POINTER_REGNUM conversions.
+ (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
+ (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
+ (print_reg): Abort on FRAME_POINTER_REGNUM
+
+Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (PREDICATE_CODES): Add aligned_operand.
+ * i386.c (aligned_operand): New function.
+ (ix86_aligned_p): Kill.
+ * i386.md (movhi_1): Emit mov for aligned operands.
+ (promoting peep2s): Use aligned_operand.
+
+2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
+ expression to allow underscores in macro names.
+ (fix_char_macro_defines): Increment scanning pointer.
+
+2000-01-23 Richard Henderson <rth@cygnus.com>
+
+ * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
+ * alpha/osf5.h: New file.
+ * configure.in (alpha-*-osf5): Add it to tm_file.
+
+ * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
+
+ * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
+ (alpha_emit_xfloating_cvt, function_arg): Declare.
+ * alpha.c (alpha_emit_conditional_branch): Call
+ alpha_emit_xfloating_compare for TFmode compares.
+ (alpha_lookup_xfloating_lib_func): New.
+ (alpha_compute_xfloating_mode_arg): New.
+ (alpha_emit_xfloating_libcall): New.
+ (alpha_emit_xfloating_arith): New.
+ (alpha_emit_xfloating_compare): New.
+ (alpha_emit_xfloating_cvt): New.
+ (print_operand): Add default abort case.
+ (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
+ * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
+ (BIGGEST_ALIGNMENT): Increase to 128 bits.
+ (RETURN_IN_MEMORY): True for TF/TCmode.
+ (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
+ (FUNCTION_ARG): Move to function_arg.
+ (FUNCTION_ARG_PASS_BY_REFERENCE): New.
+ (ASM_OUTPUT_LONG_DOUBLE): New.
+ (ASM_OUTPUT_DOUBLE): Always output bits.
+ * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
+ (fix_trunctfdi2, floatditf2, floatunsditf2): New.
+ (extenddftf2, trunctfdf2): New.
+
+2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
+ * config/sparc/sol2.h: ... here.
+
+2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * basic-block.h (struct loops): New field `levels'.
+ * flow.c (flow_loops_level_compute): Traverse all outer loops.
+ (flow_loop_level_compute): Initialize level to 1.
+ (flow_loops_find): Set loops->levels.
+ (flow_loops_dump): Print loops->levels.
+
+2000-01-23 Richard Henderson <rth@cygnus.com>
+
+ * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
+ (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
+
+2000-01-23 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (dbx_register_map, svr4_dbx_register_map): New.
+ * i386.h (DBX_REGISTER_NUMBER): Use them.
+ * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
+ * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
+ * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
+ * i386/sequent.h: Kill incorrect comment.
+
+2000-01-23 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc-page.c (struct page_entry): Make `context_depth' an
+ `unsigned short'.
+ (struct globals): Likewise.
+
+2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
+
+ * loop.c (check_dbra_loop): When checking a loop for
+ reversability, check the source of any stores to ensure
+ they don't depend on an initial value.
+
+2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
+
+2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixincl.c: Move declarations of 'pz_fname' and
+ 'pz_scan' into scope of entire function. Only affects
+ compiles with -DDEBUG.
+
+2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
+
+ * config/elfos.h (UNIQUE_SECTION): Restore uninitialized data
+ section naming to that prior to 2000-01-07 patch.
+ * config/mips/elf.h (UNIQUE_SECTION): Ditto.
+ * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
+ * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
+ * config/i386/interix.c (UNIQUE_SECTION): Ditto.
+ * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
+
+2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
+ constant.
+
+2000-01-21 Jim Wilson <wilson@cygnus.com>
+
+ * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
+ * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
+
+2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (change_newlines): Delete function.
+ (struct argdata): Delete 'newlines' and 'use_count' fields.
+ (macroexpand): Remove code referencing those fields.
+
+2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (loops_info): New variable.
+ (loop_optimize): Allocate loops->array and free it on exit.
+ Allocate memory for loops_info and assign to each loop,
+ replacing alloca.
+ (find_and_verify_loops): Do not allocate loops->array.
+
+2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
+
+2000-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
+ pseudos if expanded after first flow.
+ (movdi_pic_label_ref): Likewise.
+
+2000-01-20 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
+
+2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (fixinc.sh): Depend on specs.
+ * fixinc/Makefile.in: Add rule to create machname.h.
+ (fixlib.o): Depend on machname.h.
+ * fixinc/fixtests.c (machine_name): New test.
+ * fixinc/fixfixes.c (machine_name): New fix.
+ * fixinc/fixlib.c (mn_get_regexps): New helper function for
+ the machine_name test and fix.
+ * fixinc/fixlib.h: Prototype it.
+ * fixinc/inclhack.def (machine_name): Use the C test and fix.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
+
+ * gcc.c (do_spec_1) [case P]: Take care not to create
+ identifiers with three leading or trailing underscores.
+
+ * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
+ (fixincl): Don't specify libraries twice on link line.
+ (gnu-regex.o): Remove special rule.
+ * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
+ defined by config.h. Do not define _REGEX_RE_COMP.
+ (regcomp): Allocate and initialize a fastmap.
+ * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
+
+2000-01-20 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
+
+2000-01-19 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_block): Replace FIRST, LAST and BNUM
+ arguments with BB. Update all callers. Tidy line wrapping.
+
+2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
+
+ * emit-rtl.c (try_split): Return last_insn if we split the
+ last_insn.
+
+Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (ix86_compute_frame_size): Remove prototype.
+ (ix86_initial_elimination_offset): Declare.
+ * i386.c (ix86_nsaved_regs): Break out from ...
+ (ix86_can_use_return_insn_p): ... here.
+ (ix86_emit_save_regs): Break out from ...
+ (ix86_expand_prologue): ... here.
+ (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
+ out from ...
+ (ix86_expand_epilogue): ... here.
+ (ix86_compute_frame_size): Make static, add prototype.
+ (ix86_initial_elimination_offset): Break out from ...
+ * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * recog.h (OUT_FCN): Delete.
+
+ * vax.md: Call `get_insn_template' instead of OUT_FCN.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppalloc.c: PROTO -> PARAMS.
+ * cpperror.c: Likewise.
+ * cppfiles.c: Likewise.
+ * cpplib.c: Likewise.
+ * cpplib.h: Likewise.
+
+ * config/arm/arm-protos.h: PROTO -> PARAMS.
+ * config/arm/arm.c: Likewise.
+ * config/c4x/c4x.c: Likewise.
+ * config/fr30/fr30-protos.h: Likewise.
+ * config/nextstep.c: Likewise.
+ * config/pa/pa.c: Likewise.
+ * config/pj/pj.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/v850/v850-protos.h: Likewise.
+ * config/v850/v850.c: Likewise.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i370-protos.h: New file.
+
+ * i370.c: Include tm_p.h. Fix compile time warnings.
+
+ * i370.h: Move prototypes to i370-protos.h. Fix compile time
+ warnings.
+
+ * i370.md: Likewise.
+
+2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
+ (target_isinf, target_isnan, eisnan): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (eiisinf): Wrap in INFINITY.
+ (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
+ (ibmtoe): Remove unused variable `rndsav'.
+
+Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
+ (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
+
+2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
+ * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
+ (fix_char_macro_defines, fix_char_macro_uses): New functions.
+
+ * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
+ Recognize Emacs mode markers also.
+ * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
+ C++ comments in C++ headers. Call is_cxx_header only if
+ necessary.
+
+ * fixinc/inclhack.def (avoid_bool): Add select for the problem and
+ bypass for ncurses.
+ (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
+ (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
+ ... these, which use the new C fixes.
+ (math_exception): Escape literal '+' in bypass expression.
+
+ * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
+ Regenerate.
+
+2000-01-19 Geoff Keating <geoffk@cygnus.com>
+
+ * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
+ inside the MEM.
+
+2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (loop_optimize): Allocate loop_info structure for each loop
+ prior to calling scan_loop.
+
+Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (find_barrier, gen_block_redirect): Fix indentation.
+ (split_branches, calc_live_regs): Likewise.
+
+Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (fpu_single, fp_mode): New attributes.
+
+2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (current_loop_info): Renamed from loop_info_data
+ and changed to a pointer.
+ (loop_optimize): Allocate loop_info structure for each loop
+ and initialize to zero.
+ (scan_loop): Set current_loop_info.
+
+ * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
+ on iteration_var.
+
+2000-01-19 Richard Henderson <rth@cygnus.com>
+
+ * stupid.c: Die die die.
+ * Makefile.in (OBJS): Remove stupid.o.
+ (stupid.o): Likewise.
+
+ * except.c (emit_eh_context): Don't emit USEs for stupid.
+ * explow.c (probe_stack_range): Likewise.
+ * flags.h (obey_regdecls): Remove.
+ * flow.c (find_basic_blocks): Don't run try_merge_blocks
+ when not optimizing.
+ (life_analysis): Limit data collection when not optimizing.
+ (mark_regs_live_at_end): Always mark the return value registers.
+ (mark_used_regs): Remove dummy RETURN case.
+ (print_rtl_with_bb): Don't consult obey_regdecls.
+ * function.c (use_variable, use_variable_after): Remove.
+ (assign_parms): Consult optimize not obey_regdecls.
+ (expand_function_start): Don't emit USEs for stupid.
+ (expand_function_end): Likewise.
+ * global.c (build_insn_chain): Export.
+ * integrate.c (expand_inline_function): Kill return-value USE
+ handling code.
+ * jump.c (jump_optimize_1): Do simple jump optimizations and
+ dead code elimination.
+ (calculate_can_reach_end): Remove check_deleted argument.
+ (delete_insn): Patch out insns even when not optimizing.
+ * local-alloc.c (block_alloc): Don't do tying when not optimizing.
+ * rtl.h (use_variable, use_variable_after): Remove declarations.
+ (build_insn_chain): Declare.
+ * stmt.c (expand_value_return): Don't emit USEs for stupid.
+ (expand_end_bindings): Likewise.
+ (expand_decl): Likewise. Consult optimize not obey_regdecls.
+ * toplev.c (obey_regdecls): Remove.
+ (rest_of_compilation): Don't set it. Kill stupid in favor of
+ flow1, local-alloc, and reload.
+ (main): Don't set obey_regdecls.
+
+ * config/nextstep.c (handle_pragma): Likewise.
+
+ * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
+
+ * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha-protos.h: PROTO -> PARAMS.
+ * alpha.c: Likewise.
+ * elf.h: Likewise.
+ * h8300.c: Likewise.
+ * i386-protos.h: Likewise.
+ * i386.c: Likewise.
+ * m32r-protos.h: Likewise.
+ * m32r.c: Likewise.
+ * mips.c: Likewise.
+ * mips.md: Likewise.
+ * gmon-sol2.c: Likewise.
+ * sparc.c: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * ns32k-protos.h: New file.
+
+ * ns32k.c: Fix compile time warnings.
+
+ * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
+ warnings.
+
+ * ns32k.md: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * vax-protos.h: New file.
+
+ * vax.c: Fix compile time warnings.
+
+ * vax.h: Move prototypes to vax-protos.h. Fix compile time
+ warnings.
+
+ * vax.md: Likewise.
+
+ * vaxv.md: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * romp-protos.h: New file.
+
+ * romp.c: Fix compile time warnings.
+
+ * romp.h: Move prototypes to romp-protos.h. Fix compile time
+ warnings.
+
+ * romp.md: Likewise.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * we32k-protos.h: New file.
+
+ * we32k.c: Fix compile time warnings.
+
+ * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
+ warnings.
+
+2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * except.c (eh_regs): Likewise.
+
+ * final.c (output_operand): Likewise.
+
+ * fold-const.c (target_isinf, target_isnan): Likewise.
+
+Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.h (BIGGEST_ALIGNMENT): Set to 128.
+ (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
+
+ * i386.md (memstr): Do not use rep stosb for counts divisible by 4
+ when optimize_size.
+ (clrstrsi): Rewrite.
+ (strsethi, strsetqi): New expanders.
+ (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
+ (cmpstrsi): Emit compare insn before cmpstrsi_1
+ (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
+ (strlensi_1): Likewise.
+ (cmpstrsi_1): Likewise; do not output compare.
+ (strlen expander): Do not unroll when optimizing for size.
+ (*subsi3_carry): Rename to subsi3_carry
+ (addqi3_cc): New pattern.
+ * i386.h (processor_costs): Add move_ratio field.
+ (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
+ * i386.c (*_cost): Set move_ratio.
+ (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
+ (x86_expand_strlensi_1): Rewrite the main loop.
+
+2000-01-17 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
+ * cse.c (find_comparison_args, fold_rtx): Likewise.
+ * integrate.c (subst_constants): Likewise.
+ * loop.c (get_condition): Likewise.
+
+ * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
+
+ * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
+
+2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
+ (RESTORE_WARN_FLAGS): Unpack it.
+ Change semantic type of extension to ttype.
+ * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
+ * c-parse.y, c-parse.c, objc/objc-parse.y,
+ objc/objc-parse.c: Regenerate.
+
+2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
+
+ * fixinc/fixlib.c: Add copyright notice.
+ (compile_re): New function.
+ * fixinc/fixlib.h: Prototype compile_re.
+
+ * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
+ Use compile_re to compile regular expressions.
+
+ * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
+ where the pattern matched.
+
+ * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
+ use 'replace'.
+ (ultrix_ansi_compat): Likewise.
+ (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
+ add egrep test.
+ (interactv_add2, interactv_add3): Delete.
+ (x11_sprintf): Don't use filename glob.
+ * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
+ Regenerate.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * print-rtl.c: PROTO -> PARAMS.
+ * real.c: Likewise.
+ * reg-stack.c: Likewise.
+ * resource.c: Likewise.
+ * sdbout.h: Likewise.
+ * simplify-rtx.c: Likewise.
+ * stor-layout.c: Likewise.
+ * stupid.c: Likewise.
+ * xcoffout.c: Likewise.
+ * xcoffout.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.c: PROTO -> PARAMS.
+ * toplev.h: Likewise.
+ * tree.c: Likewise.
+ * tree.h: Likewise.
+ * unroll.c: Likewise.
+ * varasm.c: Likewise.
+ * varray.c: Likewise.
+ * varray.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * reload.c: PROTO -> PARAMS.
+ * reload.h: Likewise.
+ * reload1.c: Likewise.
+ * reorg.c: Likewise.
+ * resource.h: Likewise.
+ * rtl.c: Likewise.
+ * rtl.h: Likewise.
+ * rtlanal.c: Likewise.
+ * sbitmap.h: Likewise.
+ * sdbout.c: Likewise.
+ * stack.h: Likewise.
+ * stmt.c: Likewise.
+ * system.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * machmode.h: PROTO -> PARAMS.
+ * mbchar.h: Likewise.
+ * mips-tdump.c: Likewise.
+ * mips-tfile.c: Likewise.
+ * optabs.c: Likewise.
+ * output.h: Likewise.
+ * prefix.c: Likewise.
+ * profile.c: Likewise.
+ * protoize.c: Likewise.
+ * real.h: Likewise.
+ * recog.c: Likewise.
+ * recog.h: Likewise.
+ * regclass.c: Likewise.
+ * regmove.c: Likewise.
+ * regs.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * ggc-common.c: PROTO -> PARAMS.
+ * ggc-page.c: Likewise.
+ * ggc-simple.c: Likewise.
+ * ggc.h: Likewise.
+ * global.c: Likewise.
+ * graph.c: Likewise.
+ * gthr-win32.h: Likewise.
+ * haifa-sched.c: Likewise.
+ * halfpic.h: Likewise.
+ * integrate.c: Likewise.
+ * integrate.h: Likewise.
+ * jump.c: Likewise.
+ * lcm.c: Likewise.
+ * local-alloc.c: Likewise.
+ * loop.c: Likewise.
+ * loop.h: Likewise.
+
+2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattr.c: PROTO -> PARAMS.
+ * genattrtab.c: Likewise.
+ * gencheck.c: Likewise.
+ * gencodes.c: Likewise.
+ * genconfig.c: Likewise.
+ * genemit.c: Likewise.
+ * genextract.c: Likewise.
+ * genflags.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * genopinit.c: Likewise.
+ * genoutput.c: Likewise.
+ * genpeep.c: Likewise.
+ * genrecog.c: Likewise.
+
+2000-01-16 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (BINFO_VPTR_FIELD): Augment documentation.
+
+2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
+ * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
+ * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
+ * configure, config.in: Rebuilt.
+
+2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
+
+ * config/i386/i386.md: Add peephole to merge successive stack
+ adjusts.
+
+Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
+
+ * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
+ instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
+ when walking backwards to find all the parameter loads when
+ the basic block ends in a call.
+
+2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (this_loop_info): Delete.
+ (uid_loop): Add in place of uid_loop_num. All uses updated.
+ (loop_number_exit_count): Delete and replace with entry in loop
+ structure. All uses updated.
+ (loop_number_loop_starts, loop_number_loop_ends): Likewise.
+ (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
+ (loop_outer_loop): Likewise.
+ (loop_invalid, loop_number_exit_labels): Likewise.
+ (loop_used_count_register): Delete and replace with entry in
+ loop_info structure.
+ (find_and_verify_loops): Add loops argument.
+ (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
+ loop_end, etc. arguments with loop structure pointer. All callers
+ changed.
+ (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
+ (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
+ (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
+ (insert_bct): Likewise.
+ (basic_induction_var): New argument level.
+ * loop.h (struct loop_info): Delete fields num, loops_enclosed,
+ vtop, and cont. Add used_count_register.
+ (uid_loop): Delete declaration.
+ (loop_number_exit_count): Likewise.
+ (loop_number_loop_starts, loop_number_loop_ends): Likewise.
+ (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
+ (loop_outer_loop, loop_used_count_register): Likewise.
+ (loop_invalid, loop_number_exit_labels): Likewise.
+ (unroll_loop): Replace loop_start and loop_end arguments
+ with loop structure pointer.
+ (loop_precondition_p, loop_iterations): Likewise.
+ Include basic-block.h.
+ * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
+ with loop structure pointer.
+ (loop_precondition_p, loop_iterations): Likewise.
+ * basic-block.h (struct loop): New entries vtop, cont,
+ cont_dominator, start, end, top, scan_start, exit_labels,
+ exit_count.
+ * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
+
+2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
+
+2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
+
+ * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * pdp11-protos.h: New file.
+
+ * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
+ warnings.
+
+ * pdp11.md: Likewise.
+
+ * 2bsd.h: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mn10300-protos.h: New file.
+
+ * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
+ warnings.
+
+ * mn10300.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mn10200-protos.h: New file.
+
+ * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
+ warnings.
+
+ * mn10200.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * h8300-protos.h: New file.
+
+ * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
+ warnings.
+
+ * h8300.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
+ (asm_emit_uninitialised): Likewise.
+
+2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
+ * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (override_options): Don't turn on extra
+ alignment for mips16.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
+ eabi, and make sure queued POSTINCREMENT rtl is emitted at
+ the right point.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * builtins.c (PAD_VARARGS_DOWN): Define.
+ (std_expand_builtin_va_arg): Use the above macro.
+ * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
+ * tm.texi (Register Arguments): Document the above macro.
+
+2000-01-14 Nick Clifton <nickc@cygnus.com>
+
+ * emit-rtl.c (emit_insn): If checking is enabled, make sure
+ that this function has not been used to emit a jump
+ instruction.
+
+ * jump.c (return_jump_1): Cope with being passed a null rtx.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * eh-common.h: PROTO -> PARAMS.
+ * emit-rtl.c: Likewise.
+ * errors.c: Likewise.
+ * errors.h: Likewise.
+ * except.c: Likewise.
+ * except.h: Likewise.
+ * explow.c: Likewise.
+ * expmed.c: Likewise.
+ * expr.c: Likewise.
+ * expr.h: Likewise.
+ * final.c: Likewise.
+ * fix-header.c: Likewise.
+ * flow.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * function.h: Likewise.
+ * gcc.c: Likewise.
+ * gcov-io.h: Likewise.
+ * gcov.c: Likewise.
+ * gcse.c: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sh-protos.h: New file.
+
+ * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
+ Add static prototypes. Fix compile time warnings.
+
+ * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
+ * sh.md: Likewise.
+ * elf.h: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * arc-protos.h: New file.
+
+ * arc.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * arc.h: Move prototypes to arc-protos.h. Fix compile time
+ warnings.
+
+ * arc.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dsp16xx-protos.h: New file.
+
+ * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
+ warnings.
+
+ * dsp16xx.md: Likewise.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * convex-protos.h: New file.
+
+ * convex.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * convex.h: Move prototypes to convex-protos.h. Fix compile time
+ warnings.
+
+2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * elxsi-protos.h: New file.
+
+ * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
+ warnings.
+
+ * elxsi.md: Likewise.
+
+2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
+ case for moving from HI/LO/HI_LO_REG. This makes the behavior
+ match the comment for MIPS16.
+
+Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (split_edge): Do not call set_block_for_insn if we
+ do not have a basic_block_for_insn structure.
+
+ * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
+ and destination functions are 32bit aligned within the trampoline.
+ (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
+ (TRAMPOLINE_ALIGNMENT): Define.
+
+ * cse.c (cse_insn): When changing (set (pc) (reg)) to
+ (set (pc) (label_ref)), verify the change creates a valid insn.
+
+ * fr30.c (call_operand): Tighten and rework to match rules for
+ call RTL expressions.
+ * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
+ * fr30.md (call patterns): Improve constraints.
+
+Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
+
+ * fr30.c (fr30_expand_epilogue): Revert last change.
+ Use emit_jump_insn for the return insn.
+
+Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
+ Stan Cox <scox@cygnus.com>
+
+ * predict.c: New file. Preliminary infrastructure work for static
+ branch prediction and basic block reordering.
+ * basic-block.h: Add prototype for estimate_probability.
+ * Makefile.in: Add rules for predict.o.
+
+2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
+
+ * fixincludes (va_list): Use __not_va_list__ for the dummy.
+ * fixinc/*: Likewise.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c: PROTO -> PARAMS.
+ * cexp.y: Likewise.
+ * collect2.c: Likewise.
+ * combine.c: Likewise.
+ * convert.h: Likewise.
+ * cse.c: Likewise.
+ * dbxout.c: Likewise.
+ * dbxout.h: Likewise.
+ * diagnostic.c: Likewise.
+ * doprint.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarf2out.h: Likewise.
+ * dwarfout.c: Likewise.
+ * dwarfout.h: Likewise.
+ * dyn-string.h: Likewise.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
+ macro conditionals guarding use.
+
+ * dwarf2out.c: Include "tm_p.h".
+
+ * function.c (locate_and_pad_parm): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (expand_function_end): Likewise for variable `context'.
+
+ * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
+
+2000-01-13 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
+ register to prevent compile time warnings.
+
+2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
+
+ * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
+ to avoid -Wtraditional warning.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * 1750a-protos.h: New file.
+
+ * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
+ warnings.
+
+ * 1750a.md: Likewise.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * a29k-protos.h: New file.
+
+ * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
+ warnings.
+
+2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * clipper-protos.h: New file.
+
+ * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
+ warnings.
+
+Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
+
+2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
+
+ * configure.in (--enable-new-gxx-abi): New option.
+ * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
+ * Makefile.in (GXX_ABI_FLAG): New variable.
+ * configure: Regenerate.
+
+2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
+ * tm.texi (FORCE_STRUCT_BLK): Document.
+ * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
+
+Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/ns32k/ns32k.md: Revert Jan 9 change.
+
+ * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
+ to a mode-test, if the predicate is address_operand.
+
+Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (if_then_else_cond): Be careful about what kinds
+ of RTL expressions are passed to operand_subword.
+
+ * flow.c (split_edge): If we have to insert a new jump, make
+ sure to associate it with a basic block.
+
+ * flow.c (commit_one_edge_insertion): A block with one successor
+ can end in a JUMP_INSN that is not a simplejump.
+
+2000-01-12 Robert Lipe <robertl@sco.com>
+
+ * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
+ (BUILD_VA_LIST_TYPE): Define.
+ (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
+ with crtstuff.c.
+
+2000-01-12 Jason Merrill <jason@casey.cygnus.com>
+
+ * cccp.c (do_pragma): Add cast to (char *).
+
+2000-01-12 Richard Henderson <rth@cygnus.com>
+ Fred Fish <fnf@be.com>
+ Jason Merrill <jason@cygnus.com>
+
+ * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
+ * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
+ * i386/beos-elf.h, i386/beos-pe.h: New files.
+
+ * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
+ * cross-make (SYSTEM_HEADER_DIR): Define using
+ CROSS_SYSTEM_HEADER_DIR.
+
+ * gcc.c (LIBRARY_PATH_ENV): Provide default.
+ (process_command): Use it.
+ (main): Likewise. Kill trailing = from env vars.
+ (build_search_list): Put it back.
+ * collect2.c (main): Use LIBRARY_PATH_ENV.
+
+ * configure.in (GCC_NEED_DECLARATIONS): Add environ.
+ * toplev.c: Use NEED_DECLARATION_ENVIRON.
+
+ * tm.texi (Frame Layout): Document SMALL_STACK.
+ * c-common.c (c_common_nodes_and_builtins): Check it.
+
+ * system.h: Undef alloca after including glibc's <stdlib.h>,
+ if USE_C_ALLOCA is defined.
+
+ * gcc.c (set_input): New fn.
+ (main): After all input files are compiled, reset the input file
+ info to the first.
+
+ * aclocal.m4 (rindex, index): If already defined, don't attempt
+ to redefine.
+
+ * ginclude/varargs.h: (__va_list__): Define ifndef.
+ * ginclude/stdarg.h: Likewise.
+
+ * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
+ instead of unsigned char.
+
+ * hash.h (true, false, boolean): Undef before enum.
+
+ * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
+ proper type of "HOST_WIDE_INT *", rather than their natural type of
+ "unsigned HOST_WIDE_INT *".
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
+
+ * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * regclass.c (choose_hard_reg_mode): Likewise.
+
+ * reload.c (find_valid_class, strict_memory_address_p): Likewise.
+
+ * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c: PROTO -> PARAMS.
+ * c-common.h: Likewise.
+ * c-decl.c: Likewise.
+ * c-iterate.c: Likewise.
+ * c-lang.c: Likewise.
+ * c-lex.c: Likewise.
+ * c-lex.h: Likewise.
+ * c-parse.in: Likewise.
+ * c-pragma.c: Likewise.
+ * c-pragma.h: Likewise.
+ * c-tree.h: Likewise.
+ * c-typeck.c: Likewise.
+ * objc/objc-act.c: Likewise.
+ * objc/objc-act.h: Likewise.
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m88k-protos.h: New file.
+
+ * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
+
+ * m88k.md: Likewise.
+
+ * tekXD88.h: Likewise.
+
+2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k-protos.h: New file.
+
+ * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
+
+ * mot3300.h: Likewise.
+
+2000-01-12 Richard Earnshaw <rearnsha@arm.com>
+
+ * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
+ extract_bitlst.
+ (extract_bitlist): Declare bitlen.
+
+2000-01-12 Zack Weinberg <zack@wolery.cumb.org
+
+ * cccp.c: Accept and ignore -lang-fortran.
+
+ * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
+ qualifiers don't match at any level of pointerness.
+
+2000-01-12 Robert Lipe <robertl@sco.com>
+
+ * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
+
+2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (reload_reg_unavailable): New static variable.
+ (reload_reg_free_p): Test it.
+ (reload_reg_free_for_value_p): Test it instead of
+ reload_reg_used.
+ (choose_reload_regs_init): Compute it.
+
+Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
+
+ * reorg.c (fill_slots_from_thread): Check modified_in_p
+ before replacing.
+
+Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
+
+ * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
+ these nodes even if INTERNALS is not set.
+
+Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
+
+ * gcse.c (delete_null_pointer_checks_1): Cope when
+ get_condition cannot determine the condition.
+
+2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.h (set_message_length): Declare.
+
+ * diagnostic.c (obstack_chunk_alloc): Define macro.
+ (obstack_chunk_free): Likewise.
+ (struct output_buffer): New data structure.
+ (vmessage): Remove.
+ (output_maximum_width): New variable.
+ (doing_line_wrapping, set_message_length, init_output_buffer,
+ get_output_prefix, output_space_left, emit_output_prefix,
+ output_newline, output_append, output_puts, dump_output,
+ vbuild_message_string, build_message_string, build_location_prefix,
+ voutput_notice, output_printf, line_wrapper_printf,
+ vline_wrapper_message_with_location): New functions. Implement
+ automatic line wrapping.
+ (v_message_with_decl): Make it handle automatic line wrapping.
+ (v_error_with_file_and_line): Likewise.
+ (v_warning_with_file_and_line): Likewise.
+ (announce_function): Likewise.
+ (default_print_error_function): Likewise.
+
+2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpplib.h (struct cpp_options): Change lang_asm to char.
+ Add lang_fortran.
+ * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
+ done in cpp_handle_option now.
+ (initialize_builtins): Take out special case code used only by
+ __STDC_VERSION__.
+ (cpp_handle_option): Turn off trigraphs and trigraph warnings
+ if -traditional. Recognize -lang-fortran and set
+ lang_fortran, also turn off cplusplus_comments.
+ (print_help): Document -lang-fortran.
+ * cpplib.c (handle_directive): Ignore `# 123 "file"' if
+ lang_asm. Ignore all directives other than `# 123 "file"' if
+ CPP_PREPROCESSED.
+ (cpp_get_token): If -traditional, don't recognize directives
+ unless the # is in column 1.
+ (parse_string): If lang_fortran or lang_asm, silently
+ terminate strings ('' or "") at end of line.
+ Remove unnecessary braces.
+
+2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+ Richard Henderson <rth@cygnus.com>
+
+ * resource.c (mark_referenced_resources): Mark a set strict_low_part
+ as used.
+ * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
+ strict_low_part when possible.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c: PROTO -> PARAMS.
+ * basic-block.h: Likewise.
+ * bitmap.c: Likewise.
+ * bitmap.h: Likewise.
+ * builtins.c: Likewise.
+ * c-aux-info.c: Likewise.
+ * caller-save.c: Likewise.
+ * calls.c: Likewise.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (toplev.o): Depend on regs.h.
+
+ * output.h (tdesc_section): Prototype.
+
+ * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
+
+ * sdbout.c: Include "tm_p.h".
+
+ * toplev.c: Include "regs.h".
+
+Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
+
+ * unroll.c (unroll_loop): Add EH support.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * pa-protos.h: New file.
+
+ * pa.c: Include recog.h and tm_p.h.
+ (compute_zdepwi_operands, compute_movstrsi_length,
+ remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
+ find_addr_reg, import_milli): Add static prototypes.
+ (pa_cpu_string, pa_arch_string): Constify a char*.
+ (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
+ (read_only_operand): Add argument `mode'.
+ (singlemove_string, output_move_double, output_fp_move_double,
+ output_block_move, output_and, output_ior, output_ascii,
+ remove_useless_addtr_insns, milli_names, output_mul_insn,
+ output_div_insn, output_mod_insn, output_arg_descriptor,
+ output_cbranch, output_bb, output_bvb, output_dbra, ,
+ output_millicode_call, output_call, hppa_encode_label,
+ output_parallel_movb, output_parallel_addb): Constify a char*.
+ (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
+ (output_parallel_addb): Remove extra arg to `constrain_operands'
+
+ * pa.h: Move all prototypes to pa-protos.h.
+ (pa_cpu_string, pa_arch_string): Constify a char*.
+ (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
+
+ * pa.md: Call `function_label_operand' with mode argument.
+ Likewise for `read_only_operand'.
+ Fix nesting of parens in call to `symbolic_operand'.
+
+2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i860-protos.h: New file.
+
+ * i860.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
+
+ * i860.md: Likewise.
+
+Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movstrsi expander): Rewrite.
+ (movstrsi_1 insn): Deleted.
+ (strmovhi, strmovqi expander): New expanders.
+ (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
+ * i386.c (x86_single_stringop): New global variable.
+ * i386.h (x86_single_stringop): Declare.
+ (TARGET_SINGLE_STRINGOP): New macro.
+
+2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
+ integer vararg POSTINCREMENT before the destination of the jump
+ for the hard fp case.
+ (function_arg_pass_by_reference): Pass a copy of CUM to
+ FUNCTION_ARG.
+
+ * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
+ for CONSTANT_ADDRESS_P above while loop for subreg.
+
+2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
+
+ * flow.c (propagate_block): When a prologue/epilogue insn
+ is marked dead, unconditionally clear libcall_is_dead and
+ insn_is_dead, and only dump rtl if warnings aren't being
+ suppressed.
+
+Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
+ * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
+ (FIXED_REGISTERS): Set dirflag as fixed.
+ (CALL_USED_REGISTERS): Set dirflag as used.
+ (REG_ALLOC_ORDER): Set dirflag as last one.
+ (DIRFLAG_REG): New macro.
+ (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
+ (HI_REGISTER_NAMES): Add dirflag.
+ (DEBUF_PRINT_REG): Handle dirflag.
+ * i386.md (type attribute): New cld and str types.
+ (length_opcode attribute): Set cld and str to 1.
+ (memory attribute): Set str to unknown - it is not clear from the
+ patterns.
+ (pent_np function unit): Prefixed string operations takes 12 cycles
+ minimally; cld takes 2 cycles.
+ (ppro_uops attribute): Str is "many" and cld is "few".
+ (ppro_p0 unit): Handle cld here.
+ (k6_alux unit): Handle cld and str types.
+ (k6_load unit): It is ocupied by str opcodes.
+ (k6_store unit): It is ocupied by str opcodes.
+ (athlon_decode): Str is vector decoded.
+ (athlon_ieu): Handle str and cld.
+ (cld pattern): New.
+ (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
+ (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
+ cmpstrsi_nz_1 insn): Do not output cld instruction
+
+Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
+
+ * gcc.texi (G++ and GCC): Add Java and Chill.
+ (Bug Critera): Don't list languages.
+
+ * gcc.texi (Incompatibilities): No longer claim most C compilers
+ are K&R.
+
+ * gcc.texi (G++ and GCC): Update other front-ends list.
+
+Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
+
+ * i386.c (ix86_expand_setcc): Fix typo.
+ (ix86_expand_movcc): Similarly.
+
+ * Band-aid until haifa's bitset implementation is nuked.
+ * haifa-sched.c (extract_bitlst): New parameter for size of the
+ bitset in bits. All callers changed. Avoid looking at undefined
+ bits in the bitset.
+ (edgeset_bitsize): New variable.
+ (schedule_region): Initialize edgeset_bitsize.
+
+2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (optabs.o): Depend on real.h
+ (resource.o): Depend on insn-attr.h
+
+ * builtins.c (result_vector): Wrap prototype in macro conditions
+ governing definition and use.
+
+ * c-common.c: Include tm_p.h.
+
+ * c-lex.c: Likewise.
+
+ * elfos.h: Constify a char*.
+
+ * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
+ (get_attr_length, shorten_branches, profile_after_prologue): Mark
+ parameter with ATTRIBUTE_UNUSED.
+
+ * fold-const.c (exact_real_inverse): Wrap variable `i' in
+ CHECK_FLOAT_VALUE.
+
+ * haifa-sched.c (schedule_insns): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+ * optabs.c: Include real.h.
+
+ * real.h (ereal_atof): Add prototype arguments.
+
+ * resource.c: Include insn-attr.h.
+
+ * sdbout.c (sdbout_queue_anonymous_type,
+ sdbout_dequeue_anonymous_types): Wrap in macro
+ SDB_ALLOW_FORWARD_REFERENCES.
+ (sdbout_init, sdbout_start_new_source_file): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+ * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
+
+ * stupid.c: Include tm_p.h.
+
+ * tree.c (real_value_from_int_cst): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i960-protos.h: New file.
+
+ * i960.c: Include tm_p.h. Add static prototypes. Fix compile
+ time warnings.
+
+ * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
+
+2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * combine.c (expand_field_assignment): Do not discard SUBREGs
+ while computing nonzero_bits.
+
+2000-01-09 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Fix compile time warnings about signed vs
+ unsigned constants.
+ * config/arm/arm.h: Fix compile time warnings about signed vs
+ unsigned constants.
+
+2000-01-09 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (output_return_instruction): Use `ldr' rather
+ than `ldm' with only one register.
+ * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
+ only one register.
+
+ * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
+ clobbered.
+
+Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/ns32k/ns32k.md (load or push effective address): Operand 1
+ must have SImode.
+
+2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
+ assignment used as truth value.
+
+ * function.c (assign_temp): Mark parameter `dont_promote' with
+ ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
+ PROMOTE_FOR_CALL_ONLY.
+
+ * genrecog.c (write_subroutine): Mark variable `operands' with
+ ATTRIBUTE_UNUSED.
+
+ * optabs.c (prepare_cmp_insn): Mark parameter `align' with
+ ATTRIBUTE_UNUSED.
+
+ * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
+ (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
+
+ * toplev.c (note_deferral_of_defined_inline_function): Likewise
+ for `decl'.
+
+2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x.h: Tidy up comments.
+ * config/c4x.c: Likewise.
+
+Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
+
+ * fold-const.c (lshift_double, rshift_double): Handle
+ shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
+
+2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * toplev.c (rest_of_compilation): Initialize cse_not_expected as
+ in prepare_function_start().
+
+Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850.c (expand_epilogue): Interrupt functions no
+ longer allocate extra stack for function calls.
+
+2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*subqf3_set): Fix typo.
+
+2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
+
+2000-01-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (processor_target_table): Add power3 as alias for 630.
+ * aix43.h: Revert Aug 2 change.
+ (HAS_INIT_SECTION): Define, not visible yet.
+ (LD_INIT_SWITCH): Define, not visible yet.
+ * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
+
+ * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
+
+ * collect2.c (main): Expand ld2 size further.
+ (export_object_lst): Cast assignment to avoid warning.
+ (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
+ (scan_prog_file, COFF): Do not collect initialization or
+ finalization functions generated for entire shared object if
+ init/fini support present.
+
+2000-01-07 Nick Clifton <nickc@cygnus.com>
+
+ * config/elfos.h: Tidy up formatting of marcos. Make sure
+ that .section directives are always prefixed by a tab.
+
+ * config/svr4.h: Add #include "elfos.h" and remove duplicate
+ definitions.
+
+2000-01-07 Matt Austern <austern@sgi.com>
+
+ * fold-const.c (real_hex_to_f): Remove duplicate declaration of
+ expon.
+
+Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
+ crtstuff.c.
+ (crtbegin.o, s-crtS): Likewise.
+
+2000-01-06 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (adddi_2+1): Limit offset such that it will be
+ loadable with a single ldah+lda pair.
+ (adddi_2+2): Explicitly fail split if we can't make it work.
+
+2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * protoize.c: Conditionally include unistd.h.
+ (IS_SAME_PATH_CHAR): New macro.
+ (IS_SAME_PATH): New macro.
+ (CPLUS_FILE_SUFFIX): New macro.
+ (cplus_suffix): New static variable.
+ (is_abspath): New static function.
+ (in_system_include_dir): Handle DOS style pathnames.
+ (file_could_be_converted): Likewise.
+ (file_normally_convertible): Likewise.
+ (directory_specified_p): Likewise.
+ (file_excluded_p): Likewise.
+ (abspath): Likewise.
+ (shortpath): Likewise.
+ (referenced_file_is_newer): Likewise.
+ (save_def_or_dec): Likewise.
+ (do_processing): Likewise.
+ (main): Likewise.
+ (edit_file): Likewise. Use rename instead of link.
+ (rename_c_file): Likewise. Don't rename syscalls file.
+ (munge_compile_params): Define null device for DOS based systems.
+ (process_aux_info_file): Use binary mode if appliable.
+ (edit_file): Likewise.
+ * invoke.texi (Running Protoize): Document C++ suffixes used.
+
+ * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
+ IS_DIR_SEPARATOR macros.
+ * collect2.c: Likewise.
+ * cppinit.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * gcc.c: Likewise.
+ * gcov.c: Likewise.
+ * prefix.c: Likewise.
+ * rtl.c: Likewise.
+ * toplev.c: Likewise.
+ * system.h: And move to here.
+
+ * prefix.c (update_path): Fix typo in variable name.
+
+2000-01-06 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
+ (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
+ (count_reg_sets_1, count_reg_references): Likewise.
+ (flow_loops_level_compute): Start counting actual loop depth at 1.
+ (flow_loops_find): Likewise.
+ * local-alloc.c (update_equiv_regs): Likewise.
+ * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
+
+2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
+
+ * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
+ FIRST_PSEUDO_REGISTER
+ * dwarf2out.c: Don't include frame.h
+ * dwarfout.c: Likewise
+ * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
+ frame.h
+
+Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
+ dead registers.
+
+ * i386.c (movsf splitter): Fix typo in my last checkin.
+
+2000-01-05 Nick Clifton <nickc@cygnus.com>
+
+ * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
+ own definition of this macro.
+ (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
+ flag_data_sections or UNIQUE_SECTION_P are true.
+
+ * tm.texi (UNIQUE_SECTION): Document that it can be called for
+ uninitialized data decls.
+
+ * config/i386/winnt.c (i386_pe_unique_section): Cope with
+ being called for uninitialized data.
+
+ * config/i386/interix.c (i386_pe_unique_section): Cope with
+ being called for uninitialized data.
+
+ * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
+ for uninitialized data.
+
+ * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
+ for uninitialized data.
+
+ * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
+ for uninitialized data.
+
+ * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
+ (UNIQUE_SECTION_P): Always generate a unique section if
+ flag_data_sections is true.
+ (UNIQUE_SECTION): Also generate unique sections for
+ uninitialized data.
+ (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
+ (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
+ named_section().
+
+2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
+ SI, or DI.
+
+2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (udivqi3, divqi3): Delete.
+ (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
+ (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
+ (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
+ (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
+
+ * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
+
+2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * c-decl.c (finish_enum): Simplify code to determine minimum and
+ maximum values of the enum, and calculate the type. Remove check
+ for FUNCTION_DECLs in the values list, which cannot happen. Replace
+ the DECL_INITIAL of each enumeration constant with a copy converted
+ to the enumeration type. When updating variant types, don't bother
+ updating the type itself.
+
+ * c-typeck.c (build_binary_op): Simplify conditional expressions
+ when weeding out spurious signed-unsigned warnings. Add new
+ spurious warning category: if the unsigned quantity is an enum
+ and its maximum value fits in signed_type(result_type). Update
+ commentary.
+ (build_conditional_expr): Warn here if one alternative is signed
+ and the other is unsigned.
+
+2000-01-05 Nick Clifton <nickc@cygnus.com>
+
+ * config/fr30/fr30.h: Remove extraneous comments.
+
+2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (choose_reload_regs): When disabling a reload, also
+ set reload_spill_index to -1.
+
+2000-01-04 Joel Sherrill (joel@OARcorp.com>
+
+ * configure.in (m68*-*-rtemscoff*): New target, formal name for
+ old m68*-*-rtems*.
+ (m68*-*-rtemself*): New target.
+ (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
+ (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
+ (sparc*-*-rtemself*): New target.
+ (sparc*-*-rtems*): Now elf not a.out.
+ * config/i386/rtems.h: Include config/rtems.h.
+ * config/i386/rtemself.h: Include config/rtems.h.
+ * config/i960/rtems.h: Include config/rtems.h.
+ * config/m68k/rtems.h: Include config/rtems.h.
+ * config/m68k/rtemself.h: Include config/rtems.h.
+ * config/mips/rtems64.h: Include config/rtems.h.
+ * config/pa/rtems.h: Include config/rtems.h.
+ * config/rs6000/rtems.h: Include config/rtems.h.
+ * config/sh/rtems.h: Include config/rtems.h.
+ * config/sh/rtemself.h: Include config/rtems.h.
+ * config/sparc/rtems.h: Include config/rtems.h.
+ * config/sparc/rtemself.h: Include config/rtems.h
+
+Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
+
+ * final.c (shorten_branches): Correctly compute length of
+ asms without operands.
+
+Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
+
+ * configure.in: Add pj target.
+ * configure: Regenerate.
+ * config/pj: New directory.
+ * config/pj/lib1funcs.S: New file.
+ * config/pj/linux.h: New file.
+ * config/pj/pj.c: New file.
+ * config/pj/pj.md: New file.
+ * config/pj/pjl.h: New file.
+ * config/pj/t-pj: New file.
+ * config/pj/xm-pj.h: New file
+
+Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
+
+ * toplev.c (rest_of_compilation): Run shorten-branches before
+ reg-stack for now.
+
+2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behavior of
+ macros so that they're consistent with their names.
+ * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
+ * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
+
+2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
+ modified inadvertently.
+
+2000-01-04 Joel Sherrill <joel@OARcorp.com>
+
+ * configure.in (v850*-*-rtems*): New target.
+ * configure: Regenerate.
+ * config/v850/rtems.h: New file.
+
+2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
+ (__gthread_key_create): Likewise.
+ (__gthread_key_dtor): Likewise.
+ (__gthread_once): Fix logic.
+ (__gthread_key_delete): Cast away constness.
+
+ * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
+ * invoke.texi: Document.
+ * i386/mingw32.h (CPP_SPEC): Use.
+ (LIBGCC_SPEC): Likewise.
+ * i386/crtdll.h (LIBGCC_SPEC): Likewise.
+
+2000-01-04 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
+ (HANDLE_PRAGMA_PACK): Undefine.
+ (SLOW_UNALIGNED_ACCESS): Define.
+
+2000-01-04 David Edelsohn <edelsohn@gnu.org>
+
+ * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
+ to default definition.
+ (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
+ (store_fixed_bit_field): Call macro with word_mode and alignment.
+ (extract_bit_field): Call macro with relevant mode and alignment.
+ * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
+ to default definition.
+ (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
+ and alignment.
+ (move_by_pieces_ninsns): Likewise.
+ (clear_by_pieces): Likewise.
+ (emit_push_insn): Likewise.
+ (store_field): Call macro with relevant mode and alignment.
+ (expand_expr): Likewise.
+ (expand_expr_unaligned): Likewise.
+
+ * rs6000.h (HANDLE_PRAGMA_PACK): Define.
+ (SLOW_UNALIGNED_ACCESS): Define.
+ (CASE_VECTOR_MODE): Always use 32-bit offsets.
+ (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
+ (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
+ (toc_section): Likewise and .toc pseudo-op.
+ (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
+ 64-bit mode.
+ (TEXT_SECTION_ASM_OP): Likewise.
+ (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
+ 32-bit offsets.
+
+ * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
+ * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
+ * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
+ * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
+ * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
+
+Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
+
+ * regclass.c: Revert my Jan 4 change to loop cost computation.
+
+Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
+ compilation.
+
+2000-01-04 Stan Cox <scox@cygnus.com>
+
+ * haifa-sched.c (build_control_flow): Change unreachable simple
+ loop test to check if current block has only one predecessor.
+ (find_rgns): Initialize degree. Use dest as degree index, not src.
+
+2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
+
+ * calls.c (expand_call): Likewise for
+ `old_stack_arg_under_construction'.
+
+ * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
+
+ * function.c (pad_to_arg_alignment): Likewise for `save_var' and
+ `save_constant'.
+
+ * gcc.c (execute): Likewise for `ut' and `st'.
+
+ * genattrtab.c (attr_rtx): Likewise for `rt_val'.
+
+ * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
+
+ * jump.c (jump_optimize_1): Likewise for `temp2'.
+
+ * local-alloc.c (block_alloc): Likewise for `r1'.
+
+ * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
+
+ * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
+ (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
+
+ * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
+ and `set2'.
+
+ * reload.c (find_reloads): Likewise for `goal_alternative_number'
+ and `goal_earlyclobber'.
+
+ * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
+
+ * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
+
+ * stupid.c (stupid_life_analysis): Likewise for `chain'.
+
+ * unroll.c (copy_loop_body): Likewise for `copy'.
+
+ * varasm.c (output_constructor): Likewise for `byte'.
+
+Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
+ all FP constants for constant->reg moves.
+ (ix86_split_to_parts): Try to convert memory address into immediate
+ when available in the constant pool.
+ * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
+ moves.
+ (LEGITIMATE_CONSTANT_P): Return 1.
+ * i386.md (pushsf): New splitter to convert constant pool memory
+ reference to immediate.
+ (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
+ reload.
+
+2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
+ (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
+ ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
+ (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
+ rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
+
+2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * ginclude/stdbool.h: Support compilation as C++.
+
+Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * fold-const.c (make_range): Don't try to reverse an unbounded range.
+
+Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
+
+ * regclass.c (regclass): Properly compute loop_cost. Adjust
+ comments.
+
+ * regclass.c: Fix minor whitespace problems.
+
+2000-01-03 Anthony Green <green@cygnus.com>
+
+ * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
+ Restore the pic register if required.
+
+2000-01-03 Ulrich Drepper <drepper@cygnus.com>
+
+ * c-common.c (format_char_info): Update comment.
+ (check_format_info): Recognize 'z' modifier in the same way 'Z'
+ was recognized. Emit warning for formats new in ISO C99 only
+ if flag_isoc9x is not set.
+
+Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
+
+ * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
+
+Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
+
+ * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
+ SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
+ (make_compound_operation): Choose cheaper alternative between
+ ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
+
+ * regclass.c (op_costs): Remove global variable.
+ (record_reg_classes): New parameter "op_costs" and "reg_pref".
+ (record_operand_costs): Break out from ...
+ (scan_one_insn): ... here.
+ (dump_regclass): Make dumps nicer.
+ (regclass): Dump preferrences choosed and changes done during passes.
+
+2000-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
+
+2000-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (gen_df_reg): New function.
+ * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
+ * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
+ movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
+ movtf_cc_reg_sp64+1): Use it.
+
+2000-01-02 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
+ copied LABEL_DECLs.
+
+Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/i386/i386.c (ix86_expand_unary_operator): Function
+ definition made void.
+ (ix86_expand_binary_operator): Update outdated preceding comment.
+ * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
+ prototype.
+
+ * config/i386/i386.c (override_options): Fix option-name typo.
+
+2000-01-02 Mark Mitchell <mark@codesourcery.com>
+
+ * system.h (CEIL): Define.
+ * builtins.c (CEIL): Remove.
+ * expmed.c (CEIL): Likewise.
+ * expr.c (CEIL): Likewise.
+ * stor-layout.c (CEIL): Likewise.
+
+2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * expr.c (store_constructor_field): Fix typo introduced with last
+ gcc2 merge.
+
+2000-01-01 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (BINFO_N_BASETYPES): New macro.
+
+2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * expmed.c (emit_store_flag): Prevent losing a pending stack
+ adjust the same way we prevent losing queued increments.
projects / msp430-gcc.git / blobdiff