--- /dev/null
+Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (update_temp_slot_address): Handle case where sum of
+ temporary address plus offset in register is a valid address.
+
+1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * genrecog.c (change_state) Corrected typo.
+
+1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
+ getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
+ strerror, getrlimit, setrlimit, abort): Add prototype arguments.
+
+1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
+ case, expand GT comparisons correctly. Fix a comment before this
+ part of the code.
+
+1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
+
+ * dwarfout.c: Include "frame.h"
+ * dwarf2out.c: Likewise.
+ * Makefile.in (dwarfout.o): Depend on frame.h
+ (dwarf2out.o): Likewise.
+
+1999-12-29 "Martin v. Löwis" <martin@loewis.home.cs.tu-berlin.de>
+
+ Restore i386 binary compatibility in Dwarf EH info.
+ * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
+ value of FIRST_PSEUDO_REGISTER.
+ * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
+ (struct frame_state): Use DWARF_FRAME_REGISTERS.
+ * dwarfout.c (output_reg_number): Ditto.
+ * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
+ (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
+
+1999-12-29 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
+ * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
+ (<hack>_RE_CT): not needed
+ * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
+ rewritten to scan the file text once only
+ "template<..." test added
+ * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
+ (is_cxx_header): declaration added
+ * fixinc/fixtests.c(is_cxx_header): removed
+ (apply_fix_p_t): removed
+ (double_slash_test): is_cxx_header is only called once now
+ * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
+ * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
+ within the templates.
+ The borken spelling of "broken" was fixed.
+ * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
+ The default level depends on FIXINC_DEBUG.
+
+1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
+ Otherwise provide a declaration for atexit.
+ (init_dummy): Make sure dummy call to atexit is nevertheless
+ called with correct number of args.
+
+ * frame.c: Update comments referring to other files.
+
+ * libgcc2.c: Likewise.
+
+1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cse.c (free_element, get_element): Remove unused prototypes.
+
+ * fold-const.c (extract_muldiv): Initialize variables `op0' and
+ `op1'.
+
+ * jump.c (invert_exp): Add explicit braces to avoid ambiguous
+ `else' clauses.
+
+Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
+
+ * configure.in,configure: case arm for mn10200-*-* now sets
+ float_format=i32 so that float.h will correctly claim "double"
+ to be 32 bits. Ran autoconf to generate configure from .in file.
+
+Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (conditional zero): If op1 is a register, force it into
+ the same register as op0.
+
+1999-12-28 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (BINFO_BASETYPES): Improve documentation.
+
+1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (--enable-checking): Use a more portable `for'
+ loop syntax.
+
+1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
+ arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
+
+ * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
+ Delete files.
+
+ * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
+ Delete descriptions.
+
+ * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
+ m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
+ m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
+ pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
+ xm-svr4.h: Remove all instances of sys_siglist handling.
+
+1999-12-27 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (cmp_zero_qi,
+ cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
+ cmp_zero_extendqidi2_andcc_set): New patterns.
+
+1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
+
+ * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
+ (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
+ (fpgnulib.c, xfgnulib.c): Add rules.
+ * m68k/t-mot3300-gas: Likewise.
+
+1999-12-27 Ian Lance Taylor <ian@zembu.com>
+
+ * configure.in: Avoid [[ by using test and changequote. Add
+ changequote required by 1999-12-14 change.
+ * configure: Rebuild.
+
+1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
+
+1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
+
+ * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
+ * flow.c (find_use_as_address): Likewise.
+ * function.c (fixup_var_refs_1): Likewise.
+ (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
+ * jump.c (invert_exp, redirect_exp): Likewise.
+ * loop.c (replace_call_address): Likewise.
+ (count_nonfixed_reads): Likewise.
+ * rtlanal.c (modified_between_p): Likewise.
+ (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
+ (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
+ * unroll.c (remap_split_bivs): Likewise.
+
+1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * diagnostic.c (v_message_with_decl): Use .* format specifier
+ instead of building the format specifier width manually.
+
+ * system.h (strsignal): Don't check HAVE_STRSIGNAL when
+ determining whether to provide a prototype. Remove the
+ sys_siglist clause in the conditional.
+
+1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * fold-const.c (operand_equal_p): Use memcmp to compare string
+ constants.
+ Suggested by D. J. Bernstein
+
+1999-12-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
+ UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
+ compiling libgcc2.
+ * config/mips/mips.h (TARGET_64BIT): Likewise.
+ * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
+ * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
+ of {SI,DI}type and DIunion. Define these types to QI/HI modes on
+ dsps. Give routines proper names if SI/DI modes are not used.
+ * longlong.h: Use DWunion instead of DIunion.
+
+1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
+
+ * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
+ GC_CHECKING, GC_ALWAYS_COLLECT.
+ * configure.in: Allow --enable-checking with an argument
+ listing check modes to enable.
+ * config.in, configure: Rebuilt.
+ * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
+ GGC_ALWAYS_VERIFY for ggc-simple.c) only if
+ ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
+ ENABLE_GC_ALWAYS_COLLECT.
+ * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
+ throughout.
+ * tree.h, tree.c: Change ENABLE_CHECKING to
+ ENABLE_TREE_CHECKING throughout.
+
+Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (fold_truthop): Properly check for FP RHS.
+
+1999-12-24 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.h (note_deferall_of_defined_inline_function): Declare.
+ * toplev.c (note_deferral_of_defined_inline_function): New
+ function, split out from ...
+ (rest_of_compilation): ... here. Use it.
+
+Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): Don't call clear_storage if size is
+ variable.
+
+1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (toplev.o): Depend on loop.h.
+
+ * dwarfout.c: Include tm_p.h.
+
+ * emit-rtl.c (restore_emit_status): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+ * final.c (final_scan_insn): Likewise.
+
+ * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
+ flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
+ flow_depth_first_order_compute, flow_loop_pre_header_find,
+ flow_loop_tree_node_add, flow_loops_tree_build,
+ flow_loop_level_compute, flow_loops_level_compute,
+ flow_loop_outside_edge_p): Add prototypes.
+ (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
+
+ * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
+ Mark with ATTRIBUTE_NORETURN.
+
+ * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * local-alloc.c (no_conflict_p): Likewise.
+
+ * loop.c (insert_bct): Hide definitions of variables with hidden
+ usage.
+ (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * regclass.c (memory_move_secondary_cost): Mark variable `mem'
+ with ATTRIBUTE_UNUSED.
+ (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
+ (reg_scan): Likewise.
+
+ * reload.c (find_reloads): Remove unused variables `changed'.
+
+ * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
+ away const-ness.
+ (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
+ Remove unused variable `insn'.
+
+ * toplev.c: Include loop.h.
+ (report_file_and_line): Remove unnecessary prototype.
+
+ * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
+
+ * unroll.c (biv_total_increment): Likewise.
+
+Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (emit_input_reload_insns): Restore old behavior
+ wrt. 'special' reloads.
+
+1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
+
+ * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
+ hash.h. (cse.c): Don't depend on hashtab.h.
+
+ * cse.c: Don't include hashtab.h.
+ (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
+ of dead functions.
+ * ggc-simple.c: Don't include hash.h.
+
+1999-12-22 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Call
+ gen_abstract_function on our function context.
+
+Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
+
+1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_address_cost): Add statement to default
+ case in switch.
+
+1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
+ constraints to "a!r".
+
+1999-12-21 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (calls.o): Depend on function.h.
+ (alias.o): Likewise.
+
+1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (emit_reload_insns): Break out code and variables into...
+ (input_reload_insns, other_input_address_reload_insns,
+ other_input_reload_insns, input_address_reload_insns,
+ inpaddr_address_reload_insns, output_reload_insns,
+ output_address_reload_insns, outaddr_address_reload_insns,
+ operand_reload_insns, other_operand_reload_insns,
+ other_output_reload_insns): ... new static variables, and...
+ (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
+ do_output_reload): ... new functions.
+
+Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
+
+1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * md.texi: Add c4x constraints documentation.
+
+1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * config/i386/dgux.c (struct option): Rename to
+ lang_independent_option.
+ (struct m_options): Add description field.
+ (output_options): Rename option type, add sep declaration, output
+ ix86_cpu_string and ix86_arch_string only if set.
+ (output_file_start): Rename option type.
+
+Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
+
+ * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
+ stmp-int-hdrs.
+ (libgcc2.a): Similarly.
+
+Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
+ with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
+ for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
+
+Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
+ Remove redundant initialization of "frexpon" and "expon".
+
+Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
+
+ * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
+ (store_constructor_field, expand_expr): Pass new arg.
+
+1999-12-20 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (explow.o): Depend on function.h.
+
+ * stor-layout.c (set_sizetype): Fix typo.
+
+1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * function.c (cfun): Renamed from current_function. All users
+ changed.
+ * function.h (cfun): Rename declaration as well.
+
+ * reload.h (struct insn_chain): Change live_throughout and dead_or_set
+ to be of type regset_head, not regset. All users changed by adding
+ address operator.
+ * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
+
+1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/rtems.h: New file.
+
+1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (spill_failure): Take class of failed reload as argument
+ and print it. Caller changed.
+
+Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rs6000.h (SUBTARGET_DEFAULT): New macro.
+ (TARGET_SWITCHES): Allow subtargets to default switches.
+ * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
+
+1999-12-18 Mark Mitchell <mark@codesourcery.com>
+
+ * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
+ in a main program.
+
+Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
+
+ * cccp.c (main): Define __STDC_VERSION__ as necessary.
+ * cppinit.c (cpp_handle_option): Likewise.
+
+ * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
+ determine when to define.
+
+Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
+ cmove with mismatched test and data modes.
+
+Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (c_expand_start_case): Don't warn for long switch
+ in system headers.
+
+Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c: Minor reformatting.
+ * flow.c: Likewise.
+ * regs.h: Likewise.
+ * stor-layout.c: Likewise.
+ * fold-const.c: Likewise.
+ (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
+ (struct cb_args, const_binop_1, const_binop): Pass type of arg,
+ not arg itself.
+ (size_int_wide): Cache nodes even if garbage collecting.
+ (twoval_comparison_p): Reenable SAVE_EXPR case if operand
+ of SAVE_EXPR has no side effects.
+ * cse.c: Move a comment.
+ * tree.c: Minor reformatting.
+ (int_size_in_bytes): Return -1 if constant overflows.
+
+Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
+
+1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
+
+ * objc/objc-parse.c: Regenerate. This file must be rebuilt
+ after any change to c-parse.in, even if objc-parse.y didn't
+ change. Oops.
+
+1999-12-18 David S. Miller <davem@redhat.com>
+
+ * toplev.c (rest_of_compilation): Restore BLOCK tree
+ reconstruction and branch shortening changes lost in
+ December 18th change.
+
+Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
+
+ * config/arm/linux-elf.h: Change all instances of
+ ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
+ * config/arm/uclinux-elf.h: Likewise.
+
+1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.c (notice, vmessage, v_message_with_file_and_line,
+ v_message_with_decl, file_and_line_for_asm,
+ v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
+ verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
+ v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
+ v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
+ pfatal_with_name, fatal_io_error, need_error_newline,
+ last_error_function, last_error_tick, announce_function,
+ default_print_error_function, print_error_function,
+ report_error_function, fnotice, error_with_file_and_line,
+ error_with_decl, error_for_asm, error, set_fatal_function, fatal,
+ _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
+ warning_with_decl, warning_for_asm, warning, pedwarn,
+ pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
+ diagnostic.c
+ (compile_file): Use fnotice instead of notice. Adjust call.
+
+ * diagnostic.c: New file.
+
+ * Makefile.in (OBJS): Include diagnostic.o
+ (diagnostic.o): Define dependence.
+
+1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
+ Tweak formatting.
+
+1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
+
+1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * fixtests.c (is_cxx_header): New fn, split out of
+ double_slash_test.
+ (else_endif_label): Allow "#endif // comment" in C++ headers,
+ as determined by is_cxx_header.
+ * fixfixes.c (else_endif_label_fix): Update comment.
+ * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
+ a tty.
+ * genfixes: Correct double thinko in commandline parsing.
+ * hackshell.tpl: Generate correct sh syntax for bypass
+ entries.
+
+ * inclhack.def (all): Whenever an inserted preprocessor
+ conditional is split over multiple lines, use double
+ backslashes in this file so the fixed header will be readable.
+
+ (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
+ and add bypass entry for correct version of this header.
+ (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
+ (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
+
+ (hpux8_bogus_inlines): New fix, split from...
+ (ultrix_atof_param) ... here.
+ (math_expression): Add bypass entry keyed to glibc comment
+ indicating the problem has been dealt with; disable
+ unnecessary sed operations; update commentary.
+ (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
+ add select and bypass entries, simplify shell operation.
+ (math_huge_val_ifndef): Split from math_gcc_ifndefs.
+
+ (ip_missing_semi, rs6000_param, tinfo_cplusplus,
+ ultrix_atof_param): Add select entry.
+ (stdio_va_list, sunos_mather_decl): Add bypass entry.
+ (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
+ comments with the fixes they describe.
+
+ * c-parse.in (string action): Do not warn about ANSI string
+ concatenation in system headers. Affects C parser only.
+ * c-parse.y, c-parse.c, c-parse.h: Rebuild.
+
+1999-12-16 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
+ compiling libgcc2 the macro depends always on arch cpp defines.
+
+Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * loop.c (insert_loop_mem): Don't record MEMs from inside
+ EXPR_LISTs.
+
+Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
+
+ * regclass.c (regclass): Do not use flowgraph when not optimizing.
+
+ * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
+ notes too, create one when replacement failed, attempt to simplify
+ resulting notes.
+ (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
+ or REG_EQUIV notes.
+
+1999-12-16 Mark Mitchell <mark@codesourcery.com>
+
+ * crtstuff.c (__dso_handle): Declare.
+ (__cxa_finalize): Likewise.
+ (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
+ non-NULL.
+
+ * invoke.texi: Document -fuse-cxa-atexit.
+
+ * tree.h (ptr_type_node): Document.
+ (const_ptr_type_node): Likewise.
+
+Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
+ (optimize_reg_copy_2): Likewise.
+ (optimize_reg_copy_3): Likewise.
+ (fixup_match_2): Likewise.
+ (regmove_optimize): Likewise.
+ (fixup_match_1): Liekwise.
+
+ * i386.md (HI to SImode promoting splitters): Rewrite.
+ (pushsf mem peep2): New.
+ (testhi to andhi peep2): Remove.
+ * i386.h (x86_promote_QImode): New.
+ (TARGET_PROMOTE_QImode): New.
+ (PREDICATE_CODES): Add promotable_binary_operator.
+ * i386.c (x86_promote_QImode0: New.
+ (promotable_binary_operator): New.
+ * i386-protos.h (promotable_binary_operator): New.
+
+ * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
+ condition.
+ (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
+
+1999-12-16 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
+ * function.c (insert_block_after_note): Remove.
+ (retrofit_block): Likewise.
+ (identify_blocks): Fix indentation.
+ (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
+ NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
+ * function.h (insert_block_after_note): Remove prototype.
+ (retrofit_block): Likewise.
+ * integrate.c (expand_inline_function): Don't call
+ find_loop_tree_blocks. Use expand_start_bindings_and_block, not
+ just expand_start_bindings. Use the block_map to remap old
+ NOTE_BLOCKs to new ones.
+ (integrate_decl_tree): Keep track of remapped blocks.
+ * integrate.h (struct inline_remap): Add block_map.
+ * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
+ NOTE_BLOCK on the notes.
+ (expand_start_bindings): Rename to ...
+ (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
+ (expand_end_bindings): Set NOTE_BLOCK.
+ * toplev.c (rest_of_compilation): In function-at-a-time-mode,
+ reconstruct the BLOCK tree.
+ * tree.h (expand_start_bindings): Macroize. Call ...
+ (expand_start_bindings_and_block): New function.
+
+1999-12-16 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (print_operand): Cast fprintf arguments
+ to match the format.
+
+1999-12-16 David S. Miller <davem@redhat.com>
+
+ * expr.c (emit_move_insn_1): Only emit clobbers if one of
+ the outputs is a SUBREG.
+ * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
+ change.
+
+ * config/sparc/sparc.c (epilogue_renumber): Add default case
+ to switch stmt.
+
+Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * toplev.c (rest_of_compilation): Run branch shortening after
+ reg-stack.
+
+ * regclass.c (loop_depth): Remove
+ (scan_one_insn): Do not handle LOOP_NOTE insns.
+ (regclass): Go through basic blocks and set loop_cost
+
+Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
+
+ * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
+
+Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (movqi): Use "nonimmediate_operand" for output operand.
+ (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
+ (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
+
+Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
+
+ * loop.c (insert_loop_mem): Ignore memory clobbers.
+
+ * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
+ to (OP A B).
+
+Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
+
+ * profile.c: Remove redundant #include "output.h".
+
+ * h8300.md (HImode preinc peephole): Fix typo.
+
+1999-12-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * function.c (retrofit_block): Abort if we don't find a suitable insn.
+ (insert_block_after_note): Abort if we don't have a previous block.
+ Remove FN parameter.
+ * function.h: Adjust.
+
+1999-12-15 Mark Mitchell <mark@codesourcery.com>
+
+ * builtins.c (expand_builtin_mathfn): Make sure not to expand the
+ argument more than once.
+
+1999-12-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * stmt.c (expand_decl): Expand upper bound of a dynamic array.
+
+1999-12-15 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
+
+Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
+ (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
+ update stack_alignment_needed.
+ (prepare_function_start): Initialize stack_alignment_needed
+ * function.h (struct function): Add field stack_alignment_needed.
+
+Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * caller-save.c (insert_one_insn): Returns struct insn_chain *.
+ Handle live_throughout / dead_or_set instead of live_before /
+ live_after.
+ (save_call_clobbered_regs): Get register livenessinformation from
+ chain->live_throughout.
+ (add_stored_regs): New function.
+ (insert_restore, insert_save): Add restored / saved registers to
+ dead_or_set.
+ * global.c (reg_dies): New parameter chain.
+ (reg_becomes_live): Third parameter is regs_set now.
+ Changed all callers.
+ (reg_dies): New parameter chain. Changed all callers.
+ (build_insn_chain): Set live_throughout instead of
+ live_before / live_after.
+ * reload.h (struct insn_chain): Replace members live_before /
+ live_after with live_throughout / dead_or_set.
+ * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
+ instead of live_before / live_after.
+ (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
+ (order_regs_for_reload, find_reg, finish_spills): Likewise.
+ (choose_reload_regs_init): Likewise.
+ * stupid.c (current_chain, find_clobbered_regs): Delete.
+ (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
+ instead of chain->live_before / chain->live_after.
+ (mark_hard_ref): New function.
+ (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
+
+1999-12-15 David S. Miller <davem@redhat.com>
+
+ * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
+
+Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * flow.c (calculate_loop_depth): Make global, remove prototype,
+ rewrite to use new loop infrastructure.
+ (find_basic_block): Remove calculate_loop_depth call.
+ * toplev.c (rest_of_compilation): Call find_basic_block.
+ * output.h (calculate_loop_depth): Declare.
+
+ * flow.c (dump_flow_info): Dump loop_depth.
+ (flow_loops_nodes_find): Increase loop_depth for basic block in the
+ body.
+ (flow_loops_find): Initialize the loop_depth for each basic block.
+
+1999-12-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * tree.c (decl_function_context): Handle virtual functions.
+
+ * tlink.c (scan_linker_output): Don't look in demangled name when
+ looking for linker output keywords.
+
+ * dwarfout.c (output_type): We can defer namespace-scope classes.
+
+Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
+
+ * regclass.c (record_reg_classes): Update comment for merging
+ register class preferences in reg->reg copies. Tighten conditions
+ for merging register class preferences in reg->reg copies.
+
+Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
+
+1999-12-14 Geoff Keating <geoffk@cygnus.com>
+
+ * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
+ (INIT_SECTION_ASM_OP): Delete.
+ (FINI_SECTION_ASM_OP): Delete.
+ (STARTFILE_SPEC): Define to hold just crtbegin.o.
+
+1999-12-14 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
+ the abstract origin wasn't emitted.
+
+ * dwarf2out.c (class_scope_p): New fn.
+ (gen_subprogram_die): Use it.
+ (gen_variable_die): Use it. Tweak logic.
+ (gen_struct_or_union_type_die): Check context_die to determine
+ if we're function-local.
+ (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
+
+1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (check_dbra_loop): Can't reverse a biv that has
+ maybe_multiple set.
+
+1999-12-14 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Add support for -mcpu=arm720 command line
+ switch.
+
+Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Fix sign of giv lifetime calculation
+ for givs made from biv increments.
+
+Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
+ * alpha.c (override_options): Recognize -mcpu=ev67.
+ * alpha.h (CPP_CPU_EV67_SPEC): New.
+ (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
+ (EXTRA_SPECS): Update.
+
+Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
+
+ * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
+ appropriate for -lang-c89 and -std=*.
+ * cppinit.c (cpp_handle_option): Likewise.
+ (new_pending_define): New, split out from cpp_handle_option.
+ * gcc.c (default_compilers): Don't define __STRICT_ANSI__
+ or enable trigraphs for -ansi/-std=*.
+
+ * ginclude/stdarg.h (__va_copy): New.
+ (va_copy): Don't define for C89.
+
+Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
+ for long long multiply-accumulate.
+
+Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regclass.c (scan_one_insn): Set loop_cost to 1 when
+ optimizing for size.
+
+1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
+ if something changed. Back out that part of yesterday's changes.
+
+ * loop.c (loop_max_reg): New static variable.
+ (loop_optimize): Initialize it. Eliminate one unnecessary call to
+ max_reg_num.
+ (scan_loop): Call reg_scan_update whenever we may have added new
+ registers, and update loop_max_reg.
+
+Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regclass.c (record_reg_classes): Do not do the copying preferrencing
+ when source does not die.
+
+ * regclass.c (record_reg_classes): Handle INOUT operands properly.
+
+1999-12-14 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/linux64.h (TARGET_LIVE_G0,
+ TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
+ variants on Linux.
+ * config/sparc/linux.h (TARGET_LIVE_G0,
+ TARGET_BROKEN_SAVERESTORE): Likewise.
+ * config/sparc/linux-aout.h (TARGET_LIVE_G0,
+ TARGET_BROKEN_SAVERESTORE): Likewise.
+
+ * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
+ (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
+ not %g2.
+ (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
+ as sparc64 block profiling register.
+ * config/sparc/sparc.c (sparc_override_options): Allow block
+ profiling with -m32.
+ (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
+ profiling register.
+ * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
+ macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
+ * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
+
+ * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
+ for sparc64.
+ * config/sparc/sparc.h: Likewise.
+ * config/sparc/xm-sysv4-64.h: Likewise.
+ * config/float-sparc.h: Likewise.
+ * glimits.h: Likewise.
+ * longlong.h: Likewise.
+
+ * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
+ (ASM_IDENTIFY_GCC): Remove.
+
+1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * combine.c (combine_simplify_rtx): Don't make shared rtl.
+ (simplify_logical): Likewise.
+
+1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
+ * cppfiles.c (INO_T_EQ): Likewise.
+
+1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
+ * i386/mingw32.h (LIB_SPEC): Likewise.
+ (STARTFILE_SPEC): Likewise.
+ * i386/uwin.h (LIB_SPEC): Likewise.
+ (STARTFILE_SPEC): Likewise.
+
+ * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
+ * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
+
+Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (combine_simplify_rtx): Fix order of checks for
+ (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
+
+1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
+ 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
+
+1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
+ defined.
+ * regclass.c (inv_reg_alloc_order): New array.
+ (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
+
+ * reload.h (struct insn_chain): Delete fields group_size, group_mode,
+ counted_for_groups, counted_for_nongroups. Add fields rld and
+ n_reloads.
+ * reload.c (push_secondary_reload): Don't set nongroup field of
+ new reloads.
+ (push_reload): Likewise.
+ (find_reloads): Delete code to compute nongroup fields.
+ * reload1.c (reload_insn_firstobj): New static variable.
+ (pseudos_counted, spilled_pseudos): Now of type regset_head. All
+ users changed.
+ (calculate_needs, find_tworeg_group, find_group, possible_group_p,
+ count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
+ dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
+ functions.
+ (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
+ functions.
+ (struct hard_reg_n_uses): Deleted.
+ (potential_reload_regs): Deleted.
+ (init_reload): Initialize spilled_pseudos and pseudos_counted.
+ (reload): Don't try to allocate reload registers if we already know
+ we have to make another pass. Call select_reload_regs. Free memory
+ starting with reload_firstobj when starting another pass.
+ Don't allocate spilled_pseudos.
+ (calculate_needs_all_insns): Call copy_reloads for an insn that
+ needs reloads; don't call calculate_needs.
+ (spill_cost): New static array.
+ (used_spill_regs_local): New static variable.
+ (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
+ to compute potential_reload_regs.
+ (find_reload_regs): Completely rewritten to use find_reg.
+ (allocate_reload_reg): Don't test counted_for_groups or
+ counted_for_nongroups. Lose NOERROR arg and code to give an error;
+ all cllers changed.
+ (choose_reload_regs): Add fallback code that uses the existing
+ register allocation from find_reload_regs.
+
+Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * flow.c (create_edge_list): Cast xmalloc return value.
+
+Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
+
+ * doprnt.c: Remove incorrect comment closure.
+
+ * cse.c: Fix a few minor whitespace goofs.
+
+1999-12-13 Don Bowman <don@pixstream.com>
+
+ * mips/vxworks.h: Fix problem with comment termination.
+ (EXTRA_SECTIONS): Add in_sbss.
+ (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
+
+1999-12-12 David S. Miller <davem@redhat.com>
+
+ * cse.c (struct cse_reg_info): Add hash_next member,
+ reorder rest of struct for better packing on 64-bit
+ hosts.
+ (cse_reg_info_tree): Kill.
+ (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
+ REGHASH_FN): New custom pow2 hash mechanism.
+ (NBUCKETS): Kill.
+ (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
+ use a pow2 hash table.
+ (get_cse_reg_info): Rework to use new REGHASH.
+ (new_basic_block): Likewise, use HASH_SIZE, and inline
+ free_element call.
+ (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
+ and inline free_element call.
+ (lookup_as_function, insert, flush_hash_table, invalidate,
+ remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
+ invalidate_for_call, use_related_value, find_comparison_args,
+ fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
+ (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
+ get_element): Kill.
+
+Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_basic_block): Free qty_table consistently.
+
+1999-12-12 David S. Miller <davem@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movtf reg/reg split): Don't generate
+ SUBREGs by hand, gen the appropriate hard reg directly.
+ (movtf reg/mem split): Likewise and alter_subreg on destination
+ if necessary.
+ (movtf mem/reg split): Similarly.
+ (movdf_cc_sp64): Rename from hidden pattern.
+ (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
+ (movtf_cc_sp64, following split): New pattern and splitter.
+ (movdf_cc_reg_sp64): Rename from hidden pattern.
+ (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
+ TARGET_HARD_QUAD.
+ (movtf_cc_reg_sp64, following split): New pattern and splitter.
+
+1999-12-12 Stephen L Moshier <moshier@mediaone.net>
+
+ * loop.c (load_mems): Don't hoist written floating point mem
+ if -ffloat-store.
+
+1999-12-12 Mark Mitchell <mark@codesourcery.com>
+
+ * except.h (struct eh_queue): Add `next' pointer.
+ (struct eh_status): Make x_ehqueue a pointer.
+ (push_ehqueue): Declare.
+ (pop_ehqueue): Likewise.
+ * except.c (expand_eh_region_end): Adjust now that ehqueue is a
+ pointer.
+ (expand_fixup_region_end): Likewise.
+ (expand_leftover_cleanups): Likewise.
+ (push_ehqueue): Define.
+ (pop_ehqueue): Likewise.
+ (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
+ than doing it inline.
+ (expand_start_all_catch): Adjust now that ehqueue is a
+ pointer.
+ (mark_eh_queue): Mark all level of the queue.
+ (mark_eh_status): Adjust now that ehqueue is a
+ pointer.
+ (init_eh_for_function): Allocate ehqueue.
+ (free_eh_status): Free it.
+ * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
+ expansion for a fixup.
+
+1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gthr-single.h (__gthread_active_p): Add prototype arguments.
+
+ * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
+ (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
+ __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
+ function_ptr, getpagesize, __enable_execute_stack,
+ __enable_execute_stack, __clear_insn_cache,
+ __enable_execute_stack, __do_global_dtors, __do_global_ctors,
+ _cleanup, _exit, __default_terminate, __terminate_func,
+ __terminate, __empty, __throw, new_eh_context,
+ eh_context_initialize, eh_context_static, eh_context_specific,
+ get_eh_context, __get_eh_context, __get_eh_info,
+ init_reg_size_table, eh_threads_initialize,
+ __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
+ __unwinding_cleanup, throw_helper, __throw, __rethrow,
+ __pure_virtual): Add prototype arguments.
+ (__bb_exit_func): Cast a sizeof to long when comparing against one.
+ Cast a signed value to unsigned long when comparing against one.
+ (new_eh_context): Wrap in _GTHREADS macro.
+ (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
+ declaration.
+ (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
+ (throw_helper): Initialize variables `handler_p' and `pc_p'.
+
+1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * combine.c (record_promoted_value): Remove unused variable
+ `links2'.
+
+ * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
+
+ * global.c (record_conflicts): Likewise for `j'.
+
+ * genoutput.c (output_insn_data): Don't unnecessarily cast away
+ const-ness.
+
+1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i386-protos.h (output_387_binary_op, output_fix_trunc,
+ output_fp_compare): Constify a char*.
+
+ * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
+ static prototypes.
+ (override_options, ix86_comp_type_attributes, print_operand,
+ output_387_binary_op, output_fix_trunc, output_fp_compare):
+ Constify a char*.
+ (ix86_sched_reorder): Mark parameter `clock_var' with
+ ATTRIBUTE_UNUSED.
+
+ * i386.h (DEBUG_PRINT_REG): Constify a char*.
+
+Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
+
+ * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
+ operand, for use in the Java front-end.
+
+1999-12-10 Ben Collins <bcollins@debian.org>
+
+ * configure.in: Fix typo for "-64" in 64bit as check.
+ * configure: Rebuilt.
+
+1999-12-10 Jakub Jelinek <jakub@redhat.com>
+
+ * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
+ appropriate.
+
+1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (string): With -Wtraditional, warn if ANSI string
+ concatenation is utilized.
+
+ * invoke.texi (-Wtraditional): Document it.
+
+1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
+ Cast a ptrdiff_t to long and pass it to printf with %ld.
+
+1999-12-10 Geoff Keating <geoffk@cygnus.com>
+
+ * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
+ 68881, we have no 68881 registers at all.
+ (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
+ value in a 68881 register if it is available.
+
+1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
+
+ * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
+ for long long multiply-accumulate.
+
+1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (insert_loop_mem): Undo last change.
+
+1999-12-10 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
+ New functions.
+ * config/sparc/sparc-protos.h: Add them.
+ * config/sparc/sparc.h: Add them to PREDICATE_CODES.
+ (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
+ constraints which use those helpers.
+ (EXTRA_CONSTRAINT): Use this new macro.
+ * md.texi: Update sparc target constraints documentation.
+ * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
+ movsf_const_high, movsf_const_lo, movsf_insn): Delete.
+ (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
+ movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
+ (movsf high/lo_sum split): Rework for new patterns.
+ (movsf expander): Allow storing fp_zero to memory if ! live_g0.
+
+1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
+
+ * c-common.c (c_common_nodes_and_builtins):
+ Create __builtin_ptrdiff_t and __builtin_size_t.
+
+Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
+
+Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * regclass.c (globalize_reg): Re-instate test that allows
+ fixed registers to be declared as a variable even after functions
+ are defined.
+
+Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (cpu attribute): Add "athlon".
+ (athlon_decode): New attribute.
+ (Athlon scheduling units definitions): New.
+ (fcmp and shld patterns): Set athlon_decode to "vector".
+ * i386.c (athlon_cost): New.
+ (m_ATHLON): New.
+ (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
+ x86_use_sahf): Set for Athlon.
+ (x86_use_fiop): Unset for Athlon.
+ (override_options): Define Athlon alignments and "athlon" name.
+ (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
+ * i386.h (TARGET_ATHLON): New.
+ (enum processor_type): Add PROCESSOR_ATHLON.
+ (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
+ for CPU_DEFAULT==5
+ (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
+
+1999-12-09 Andreas Jaeger <aj@suse.de>
+
+ * loop.c (record_biv): Declare parameter as int.
+
+ * config/i386/i386-protos.h: Declare long_memory_operand.
+
+1999-12-09 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
+ EXPR_WITH_FILE_LOCATION.
+
+Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
+ in expander.
+
+ * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
+
+ * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
+ updating code.
+
+1999-12-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
+ default on linux64 again.
+ * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
+ models for multilibing.
+ * genmultilib: Accept | as alternative separator within a set in
+ MULTILIB_OPTIONS.
+
+ * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
+
+ * calls.c (precompute_arguments): Make sure initial_value contains
+ value pseudo which CSE expects.
+ * cse.c (struct set): New entry orig_src.
+ (cse_insn): Set it early on entry, use it for libcall EQUIV note
+ replacement.
+
+Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
+
+1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
+
+1999-12-08 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (ultra_cmove_results_ready_p,
+ ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
+
+ * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
+ if TARGET_ARCH32.
+
+ * longlong.h: Merge in changes from glibc.
+ Also don't clobber %g2 register in 32bit SPARC assembly, so that
+ -mno-app-regs libgcc can be compiled.
+ * libgcc2.c: Add defines so that the updated longlong.h
+ can be used in libgcc2.a. Also, make sure on most architectures
+ (at least on all which have optimized code in longlong.h defined
+ for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
+
+1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
+ `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
+ * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
+ is GNU ld.
+ * configure: Rebuilt.
+
+Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (secondary_reload_class): For !BWX, sub-simode
+ outputs require a register.
+
+1999-12-08 Brendan Kehoe <brendan@cygnus.com>
+
+ * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
+ _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
+ functions like dptoul will be resolved.
+ (libgcc2.a): Make sure that the object files from DPBIT are named
+ differently (prefix `_dp') from those that would be coming from
+ FPBIT.
+
+1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in: When target is sparc* and tm_file contains 64,
+ test for 64bit support in assembler. If not supported, remove
+ sparc/t-sol2-64 from target-dependent Makefile fragments.
+ (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
+ (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
+ (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
+ * acconfig.h (AS_SPARC64_FLAG): Added.
+ * configure, config.in: Rebuilt.
+ * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
+ support. Use AS_SPARC64_FLAG.
+
+1999-12-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
+ suitable for holding OFmode values so that gcc works with complex
+ quad long doubles.
+ (hard_64bit_mode_classes): Likewise.
+
+ * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
+ so that it is actually matched.
+ (sethi_di_medlow): Likewise.
+
+ * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
+ as legitimate constant if -mvis.
+ * config/sparc/sparc.md (movtf): Likewise.
+ (clear_sf): Use const_double_operand.
+ (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
+
+ * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
+ * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
+ * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
+ routines, _Qp_* cannot be handled like that now.
+ (INIT_TARGET_OPTABS): Likewise.
+ * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
+ (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
+ sparc_emit_float_lib_cmp if ARCH64 and soft float.
+ (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
+ floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
+ divtf3, sqrttf3): New expanders.
+ (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
+ floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
+ addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
+ non-_hq patterns.
+
+ * configure.in (sparc64-*-linux*): Use posix threads if enabled.
+ * configure: Rebuilt.
+ * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
+ -mcpu is given and we're doing 64bit compiles.
+
+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.
+
+1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
+ documentation.
+
+1999-12-06 David S. Miller <davem@redhat.com>
+
+ * combine.c (check_promoted_subreg): Do not conditionalize this upon
+ PROMOTE_FUNCTION_RETURN.
+
+Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
+
+ * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
+ and handle REG_UNUSED note on insn.
+
+ * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
+ inner_mask instead of mask.
+
+1999-12-06 Brendan Kehoe <brendan@cygnus.com>
+
+ * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
+ zero if there was an error.
+
+1999-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (return_losum_di): Fix typo in asm
+ output string.
+
+ * longlong.h: Fix clobbers in SPARC asm statements.
+
+ * config/sparc/sparc.c (input_operand): Allow HImode and QImode
+ valid sethi operations when TARGET_ARCH64.
+
+ * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
+ always use move_by_pieces to avoid infinite recursion.
+ (restore_fixed_argument_area): Likewise.
+
+ * combine.c (check_promoted_subreg, record_promoted_value): New
+ functions.
+ (combine_instructions): Use them to retain nonzero and sign bit
+ information after SUBREGs are eliminated by optimizations in
+ this pass if PROMOTE_FUNCTION_RETURN.
+
+ * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
+ .register declaration. Don't use variables with __ prefixes.
+
+Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (optimize_bit_field_compare): Only use one mode
+ for both RHS and LHS in non-constant case.
+
+1999-12-06 Nathan Sidwell <nathan@acm.org>
+
+ * frame.c (start_fde_sort): Only allocate erratic array, if
+ linear one was allocated. Return allocated flag.
+ (fde_insert): Only insert, if there's a valid array.
+ (fde_end_sort): Split, sort and merge if linear and erratic
+ arrays exist, else just sort linear one.
+ (search_fdes): New function. Linear search through original fde
+ structure.
+ (frame_init): Permit multiple initializations. Cope with
+ memory shortages.
+ (find_fde): Fallback on linear search, if failed to sort array.
+ (__deregister_frame_info): Only free sorted array, if we
+ allocated it.
+
+1999-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
+
+1999-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
+
+1999-12-05 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (special_function_p): Declare.
+ * calls.c (special_function_p): Make it global. Don't take `name'
+ as a parameter. Fix typo in 1999-11-28 change.
+ (expand_cal): Adjust.
+
+1999-12-04 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
+ * tree.h (EXPR_WFL_FILENAME): Define in terms of
+ EXPR_WFL_FILENAME_NODE.
+ (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
+ the TREE_CHAIN.
+ * print-tree.c (print_note): Print TREE_PRIVATE and
+ TREE_PROTECTED.
+
+ * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
+ the original die cannot be found.
+
+ * varray.h (varray_head_tag): Add elements_used.
+ (VARRAY_PUSH): New macro.
+ (VARRAY_POP): Likewise.
+ (VARRAY_TOP): Likewise.
+ Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
+ types.
+ * varray.c (varray_init): Initialize elements_used.
+ * Makefile.in (BASIC_BLOCK_H): Add varray.h.
+ (INTEGRATE_H): New variable.
+ (integrate.o): Depend on INTEGRATE_H.
+ (unroll.o): Likewise.
+
+ * function.h (insert_block_after_note): Declare.
+ * function.c (insert_block_after_note): Split out from ...
+ (retrofit_block): ... here.
+
+ * stmt.c (expand_fixup): Fix typo in comment.
+
+Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
+ (optimize_reg_copy_1): Remove REG_N_REFS updating code.
+ (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
+ (regmove_optimize, fixup_match_1): Likewise.
+
+1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_loops_dump): Add missing argument when calling
+ flow_loop_nested_p.
+
+1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
+ Greg McGary <gkm@gnu.org>
+
+ * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
+ (init_attributes): Add A_NO_LIMIT_STACK.
+ (decl_attributes): Handle A_NO_LIMIT_STACK.
+ * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
+ * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
+ Handle stack bounds checking.
+ * flags.h (flag_stack_check): Use the word 'probe' rather than
+ 'check', because the flag doesn't actually cause any checking to
+ be done.
+ * function.c (expand_function_start): Set
+ current_function_limit_stack.
+ * function.h (struct function): Add limit_stack.
+ (current_function_limit_stack): Define.
+ * invoke.texi (Code Gen Options): Document new options.
+ * rtl.h: Declare stack_limit_rtx.
+ * toplev.c (stack_limit_rtx): New variable.
+ (decode_f_option): Handle new options -fstack-limit-register=REG,
+ -fstack-limit-symbol=IDENT, -fno-stack-limit.
+ (main): Add stack_limit_rtx as GC root.
+ * tree.h (DECL_NO_LIMIT_STACK): New macro.
+ (struct tree_decl): New member no_limit_stack.
+
+ * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
+ stack_limit_rtx.
+ * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
+ (conditional_trap+1): Get new mnemonic correct.
+ (conditional_trap+2): New pattern for DImode traps.
+
+ * config/m68k/m68k.c (output_function_prologue): Handle
+ stack_limit_rtx.
+ * config/m68k/m68k.md (trap): New insn.
+ (conditional_trap): New insn.
+ * md.texi (Standard Names): Document `trap' and
+ `conditional_trap'.
+ * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
+ so a cc0 setter doesn't get emitted at some random place in the
+ function.
+
+ * config/i960/i960.md (trap): New insn.
+ (conditional_trap): New expander.
+ (conditional_trap+1, conditional_trap+2): New insns for signed
+ and unsigned cases.
+ * config/i960/i960.c (i960_function_prologue): Use
+ STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
+
+Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
+ Geoffrey Keating <geoffk@cygnus.com>
+
+ * flags.h (warn_padded, warn_packed): Add global var decls.
+ * toplev.c (warn_padded, warn_packed): Add global var defns.
+ (W_options): Add warnings `-Wpacked' and `-Wpadded'.
+ * stor-layout.c (layout_record): Add local variable `type'
+ to hold often-used TREE_TYPE (field). Add local variable
+ `unpacked_align' to hold alignment that would be in force
+ if no `packed' attribute were present. Warn if `packed' attribute
+ is unnecessary, or even harmful. Warn when gcc inserts padding
+ to satisfy alignment requirements of members. Use NULL_TREE
+ when checking whether var_size is set.
+ * invoke.texi: Document new flags.
+
+1999-12-03 Nathan Sidwell <nathan@acm.org>
+
+ * frame.c (fde_split): Reimplement to avoid variable sized array.
+
+Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * combine.c (try_combine): Before fixing up LOG_LINKS for the
+ i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
+
+1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * invoke.texi: Document the mips option -mno-crt0
+
+1999-12-02 Mike Karr <mkarr@mathworks.com>
+
+ * cccp.c (argdata): Added free_ptr member.
+ (macroexpand): Initialize free_ptr of each argument. When an
+ argument's buffers are freed, if the argument's free_ptr corresponds
+ to a buffer on the input stack, then return the free_ptr to that stack
+ frame, otherwise, free it.
+ (macarg): If an argument begins and ends on the same input stack level,
+ then transfer the free_ptr of that buffer to the argument in case
+ the stack is popped during the processing of a subsequent argument.
+
+1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (note_reg_stored): New function.
+ (struct note_reg_stored_arg): New structure.
+ (try_copy_prop): Change to be more conservative; only replace within
+ one extended basic block and stop replacing if a store to the
+ replacement reg is seen.
+
+1999-12-02 Nick Clifton <nickc@cygnus.com>
+
+ * config/fp-bit.c: Initialize all fields of the NAN
+ constants.
+
+ * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
+ to HANDLE_PRAGMA.
+
+Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (extend?f?f2): Force the input into a register, not
+ the output.
+
+1999-12-01 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
+ regclass' sake.
+ (movdf_const_intreg_sp32): Likewise. Prefer the memory load
+ alternative because setting up 64bit constant is usually costly,
+ especially when reload is in progress or completed.
+ (movdf_const_intreg_sp64): Likewise.
+ (movdf_const_intreg split): Fix building up constants when
+ HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
+
+Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (if_then_else_cond): Use const_true_rtx instead of
+ const1_rtx for return values in EQ/NE comparison against (const_int 0)
+ case.
+
+ * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
+ (asm_file_start): Emit .am33 into assembly file when compiling for
+ the AM33.
+ (print_operand_address): Handle POST_INC addresses.
+ (can_use_return_insn, initial_offset): Check AM33 registers too.
+ (expand_prologue): Check & save AM33 registers too.
+ (expand_epilogue): Similarly.
+ (secondary_reload_class): Handle AM33 specific secondary reloads.
+ (output_tst): Emit efficient code for the AM33 too.
+ * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
+ (TARGET_SWITCHES): Add -mam33 switch.
+ (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
+ (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
+ (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
+ (enum reg_class, REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
+ (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
+ (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
+ (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
+ (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
+ (HAVE_POST_INCREMENT): Define.
+ (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
+ (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
+ * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
+ (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
+ (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
+ (zero_extend to SI from QI/HI): Likewise.
+ (sign_extend to SI from QI/HI): Likewise.
+ (mulsidi3, umulsidi3): New patterns for the AM33.
+ (tstsi with zero extension from QI/HI): Add AM33 variants.
+ (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
+ (return_internal_regs, store_movm): Handle new AM33 registers.
+ * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
+ (LIBGCC, INSTALL_LIBGCC): Likewise.
+ * invoke.texi: Document new flags.
+
+Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
+ (addsi3_carry): Likewise.
+ (sbbsi3_cc): Add "binary_operator_ok" to the condition.
+ (sbbsi3_carry): Likewise.
+ (mulsi3): Rewrite to expander, ensure that only one operand is memory.
+ (mulhi3): Likewise.
+ (test?i_1): Ensure that only one operand is memory.
+ (conditional move patterns): likewise.
+ (shift and rotate patterns): Rewrite to expander, add
+ "binary_operator_ok" to the condition.
+
+ * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
+ * i386.h (procesor_costs): Add movzbl_load field.
+ (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
+ non-Q registers, accept DImode registers anywhere.
+ (Q_CLASS_P): New.
+ (MEMORY_MOVE_COST): Calculate QImode moves correctly.
+ * i386.c (*_cost): Set value for movxbl_load field.
+
+ * (addsi): New add to lea splitter.
+ (ashlsi): Likewise.
+ (lea to add/shift peep2): New.
+
+1999-12-01 Mark Salter <msalter@cygnus.com>
+
+ * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
+ * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
+ * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
+
+Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (ix86_expand_move): Never add clobbers to move patterns.
+ * i386.md (movsi_xor): New.
+ (movsi_or): New.
+ (movsi_1, movhi_1, movqi_1): Remove.
+ (movsi_2): Rename to movsi_1.
+ (movhi_2): Rename to movhi_1.
+ (movqi_2): Rename to movqi_1.
+ (movdi_1): Remove; remove splitter.
+ (movdi_2): Rename to movdi_1.
+ (divmodsi4 splitter): Do not emit clobbers for move patterns.
+ (long move peep2): Do not create QI or HI mode mov0s
+ (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
+
+ * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
+ rewrite splitters.
+
+ * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
+ (abs?f2_if): Likewise.
+
+1999-11-30 Alex Samuel <samuel@codesourcery.com>
+
+ * ggc.h (ggc_test_and_set_mark): New macro.
+ (ggc_mark_rtx): Use ggc_test_and_set_mark.
+ (ggc_mark_tree): Likewise.
+ (ggc_mark_rtvec): Likewise.
+ * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
+
+1999-11-30 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (scope_die_for): Only handle types. Only search for
+ containing types.
+ (decl_scope_table): Just an array of trees now.
+ (push_decl_scope): Simplify.
+ (dwarf2out_init): Adjust.
+ (local_scope_p): New fn.
+ (gen_inlined_enumeration_type_die): Don't call scope_die_for.
+ (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
+ (gen_typedef_die): Likewise.
+ (gen_lexical_block_die): Don't call push/pop_decl_scope.
+ (gen_inlined_subroutine_die): Likewise.
+ (gen_abstract_function): Set current_function_decl temporarily.
+ (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
+ Handle block extern declarations. Don't call push/pop_decl_scope.
+ (gen_decl_die): Fix logic for block externs.
+
+1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (special_function_p): Remove `realloc' and add `strdup'
+ to the list of functions which have attribute malloc by default.
+
+1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
+ integer constant does not match the traditional type, limit the
+ warnings to cases where the base of the type is ten.
+
+ * invoke.texi (-Wtraditional): Document it.
+
+Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
+ * rs6000.md: Only access a CONST_INT with INTVAL
+
+Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
+
+ * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
+ (compute_nearerout): Likewise.
+ * ggc-page.c (ggc_page_print_statistics): Explicitly cast
+ size_t to unsigned long for formatting.
+
+1999-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
+ Allow the user to override call-used/fixed state of %g2-5
+ registers from the command line (with the exception of %g4 for
+ embedded model).
+ (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
+ there is a higher chance of having a leaf function.
+ (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
+ for ARCH64 which has %ccr register.
+ * config/sparc/sparc.md (return_losum_si, return_losum_di): New
+ patterns.
+ * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
+ insn accept into delay slot any insn which does not use %[ol]
+ registers. Accept some LO_SUM and shift left by 1 for the normal
+ restore case.
+ (output_function_epilogue): Likewise.
+ (epilogue_renumber): Added argument which inhibits any renumbering
+ and just tests if the rtx does not use any %[ol] registers.
+ (output_return): Reflect above change.
+
+1999-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
+ aggregate passing for sizes <= 16 bytes.
+
+1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
+ * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
+ * reload.c (find_dummy_reload): Likewise.
+ (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
+ * reload1.c (reload_as_needed): Likewise.
+ * stupid.c (stupid_find_reg): Likewise.
+ * tm.texi (Obsolete Register Macros): Delete section.
+ * gmicro.h: Remove all traces of the two macros.
+ * i386.h: Likewise.
+ * m88k.h: Likewise.
+ * mips.h: Likewise.
+
+1999-11-30 Brendan Kehoe <brendan@cygnus.com>
+
+ * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
+ (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
+ (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
+ * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
+ units for the sparclite86x chip.
+ (flush): Revert October 14th change; add SImode specifically.
+ (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
+ * invoke.texi: Document it.
+
+Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/mn10200/mn10200.h (PREDICATE_CODES): Add
+ psimode_truncation_operand.
+
+ * config/mn10200/mn10200.c (psimode_truncation_operand): New
+ function. Return true if the operand is either a MEM valid
+ for a PSImode address or not a MEM at all.
+
+ * config/mn10200/mn10200.md (truncsipsi2): Use
+ psimode_truncation_operand.
+
+1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
+ (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
+ (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
+ (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
+ (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
+ (flow_loop_level_compute, low_loops_level_compute): Likewise.
+ (flow_loops_find, flow_loop_outside_edge_p): Likewise.
+ * basic-block.h: Protect from multiple inclusion.
+ (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
+ (struct loops, struct loop): Define structures.
+ * sbitmap.c (sbitmap_a_subset_b_p): New function.
+ * sbitmap.h: Protect from multiple inclusion.
+ (sbitmap_a_subset_b_p): Add prototype.
+ * Makefile.in (LOOP_H): New macro.
+ (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
+
+Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * cppinit.c (CAT): The argument list of this macro may not contain
+ spaces !
+
+1999-11-29 David S. Miller <davem@redhat.com>
+
+ Move quantity tables and register equivalence chains into
+ per-qty and per-register structure arrays respectively.
+ * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
+ qty_const_insn, qty_comparison_code, qty_comparison_const,
+ qty_comparison_qty): Delete, replace with...
+ (qty_table): this structure table.
+ (reg_next_eqv, reg_prev_eqv): Delete, replace with...
+ (reg_eqv_table): this structure table.
+ (make_new_qty): Add argument MODE. Caller updated.
+ Update to use qty_table and reg_eqv_table.
+ (make_regs_eqv, delete_reg_equiv, insert_regs,
+ insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
+ fold_rtx, equiv_constant, record_jump_cond, cse_insn,
+ cse_process_notes, cse_main, cse_basic_block): Likewise.
+
+Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
+ operation if C is negative.
+ (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
+ (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
+ law for some divisions if constant is negative and change other
+ divisions to the opposite rounding.
+
+ * expr.c (store_constructor_field): If bit position is not multiple
+ of alignment of TARGET's mode, use BLKmode.
+
+ * expr.c (expand_expr_unaligned): Add more code from full case
+ that is needed when OP0 is in a register.
+
+Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * dwarfout.c (field_byte_offset): Size can be zero if there was
+ an error.
+
+1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
+ (associate_trees): Delete unused var TEM.
+ (extract_muldiv): Delete unused var CANCEL_P.
+
+ * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
+ (target_isinf, target_isnan, target_negative): Add return types to
+ function definitions.
+
+1999-11-29 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/fixincl.c(process): don't skip GLIBC files any more.
+ * fixinc/hackshell.tpl: ditto
+ * fixinc/fixtests.c(double_slash_test): more C++ header testing
+ * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
+
+1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload.c (push_reload): When looking for a register to put into
+ reg_rtx, make sure all hard regs in a multi-reg register are in the
+ right class and nonfixed.
+
+ * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
+ pending_read_insns, pending_write_insns, pending_read_mems,
+ pending_write_mems, pending_list_length, last_pending_memory_flush,
+ last_function_call, sched_before_next_call): Move static variables
+ into a structure.
+ (bb_ prefixed versions): Replace with single array bb_deps.
+ (struct deps): New structure.
+ (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
+ sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
+ argument of type "struct deps *"; use that instead of global
+ variables. All callers changed.
+ (init_rgn_data_dependencies): Delete function.
+ (init_rtx_vector): Delete function.
+ (init_deps): New function.
+
+ (free_pending_lists): Simplify, we always use the bb_deps array even
+ if only one basic block.
+ (compute_block_backward_dependences): Likewise.
+ (schedule_region): Likewise.
+
+ (propagate_deps): New function, broken out of
+ compute_block_backward_dependences.
+ (compute_block_backward_dependences): Use it.
+
+ * alpha.md: Delete useless patterns that tried to work around
+ register elimination problems.
+
+ * unroll.c (loop_iterations): Don't abort if iteration variable
+ was made by loop.
+
+ From Joern Rennecke:
+ * reload1.c (reloads_conflict): Reverse test comparing operand
+ numbers when testing for conflict between output/outaddr reloads.
+
+1999-11-29 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.c (init_cumulative_args): Fix type of third
+ arg.
+ * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
+
+1999-11-28 Robert Lipe <robertl@cygnus.com>
+
+ * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
+ table from .fini into .dtor.
+
+1999-11-28 Anthony Green <green@cygnus.com>
+
+ * tree.h (struct tree_decl): Add malloc_flag.
+ (DECL_IS_MALLOC): Define.
+ * c-common.c (attrs): Add A_MALLOC attribute.
+ (init_attributes): Add this attribute to the table.
+ (decl_attributes): Handle malloc attribute.
+ * calls.c (special_function_p): Check for the malloc attribute.
+ * extend.texi (Function Attributes): Document malloc attribute.
+
+Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (reload shift-add patterns): Remove.
+
+1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * reorg.c (dbr_schedule) Print more statistics. Corrected
+ problem when printing info when 3 delay slots are filled.
+
+1999-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * combine.c (setup_incoming_promotions): Pass an outgoing
+ regno to FUNCTION_ARG_REGNO_P which it expects.
+
+1999-11-28 Andreas Jaeger <aj@suse.de>
+
+ * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
+
+Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * cccp.c (do_include): Avoid initialization of automatic variable.
+
+ * integrate.c (mark_stores): Function definition made void, to match
+ previous declaration.
+ * regclass.c (dump_regclass): Ditto.
+ * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
+
+Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
+ known to be multiple of divisor.
+
+ * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
+
+ * combine.c (try_combine): Add code to try to merge a set of a
+ two-word pseudo to a constant with a setting of one of those words
+ to a constant.
+
+ * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
+ (split_tree): Completely rework to make more general.
+ (make_range, fold): Call negate_expr.
+ (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
+ (fold, associate): Call new split_tree and associate_trees.
+ (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
+
+1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (try_copy_prop): Avoid GNU C extension.
+
+1999-11-25 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (init_eh_for_function): Still zero eh_return_context,
+ eh_return_stack_adjust, and eh_return_handler.
+
+ * except.h (eh_status): Adjust documentation for x_protect_list.
+ (begin_protect_partials): New function.
+ * except.c (enqueue_eh_entry): Fix formatting.
+ (get_first_handler): Add consistency check.
+ (add_partial_entry): Adjust usage of protect_list.
+ (emit_cleanup_handler): Save and restore ehqueue.
+ (expand_start_all_catch): Add comment.
+ (begin_protect_partials): New function.
+ (end_protect_partials): Adjust usage of protect_list.
+ (init_eh_for_function): Use xcalloc.
+
+1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (check_format_info): Don't call a variadic function
+ with a non-literal format string.
+
+ * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
+
+ * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
+ pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
+ Likewise.
+
+ * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
+ Likewise.
+
+ * collect2.c (collect_wait): Likewise.
+
+ * dbxout.c (dbxout_type): Likewise.
+
+ * gcc.c (do_spec_1): Likewise.
+
+ * genemit.c (gen_insn, gen_expand): Likewise.
+
+ * genrecog.c (write_switch, write_subroutine): Likewise.
+
+ * mips-tfile.c (catch_signal, botch): Likewise.
+
+ * print-rtl.c (print_rtx): Likewise.
+
+ * toplev.c (default_print_error_function, report_error_function,
+ _fatal_insn): Likewise.
+
+1999-11-25 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (unsave_expr_now): Handle NULL_TREE as input.
+
+Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
+ operations when needed.
+ * i386.md (fop_?f_comm): New.
+ (fop_?f_1): Do not accept commutative operands.
+
+1999-11-25 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/mips.md (casesi_internal): Add missing brace.
+
+1999-11-25 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
+ (splice_child_die): Handle moving a child DIE from the declaration
+ DIE of a class to its specification.
+ (gen_struct_or_union_type_die): Use 'complete' consistently.
+ (gen_decl_die): Generate the virtual context DIE first.
+ Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
+
+1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.md (call_value_multiple_interanal1): New.
+
+1999-11-24 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (free_AT, free_die): New fns.
+ (remove_children): Call them.
+ (output_line_info): Disable removal of duplicate notes.
+
+ Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
+ * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
+ means pretend the type isn't defined.
+ Don't defer emitting types.
+ (gen_type_die_for_member): New fn.
+ (gen_decl_die): Call it.
+ (splice_child_die): New fn.
+ (gen_member_die): Call it rather than generate duplicate dies.
+
+ Defer emitting information for the abstract instance of an inline
+ until we either inline it or emit an out-of-line copy.
+ * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
+ from output_inline_function if DECL_ABSTRACT is also set.
+ (block_ultimate_origin): Likewise.
+ (gen_abstract_function): New fn.
+ (gen_decl_die, gen_inlined_subroutine_die): Call it.
+ (gen_subprogram_die): An abstract instance is not a declaration
+ just because it doesn't match current_function_decl. Don't abort
+ because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
+ has an abstract origin.
+ * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
+ abstract instance here.
+
+Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
+ where we need to reload fpul from a system register.
+
+1999-11-24 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h (CPP_PREDEFINES): Added.
+ (LINK_SPEC): Remove -Y since this is only needed on sparc.
+
+1999-11-24 Andreas Jaeger <aj@suse.de>
+
+ * config/mips/linux.h (TARGET_VERSION): Added.
+ (HANDLE_SYSV_PRAGMA): Added.
+ (DEFAULT_VTABLE_THUNKS): Added.
+
+Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * local-alloc.c (qty): New structure and static variable.
+ (qty_phys_reg): Remove, all references changed to qty.
+ (qty_n_refs): Likewise.
+ (qty_min_class): Likewise.
+ (qty_birth): Likewise.
+ (qty_death): Likewise.
+ (qty_size): Likewise.
+ (qty_mode): Likewise.
+ (qty_n_calls_crossed): Likewise.
+ (qty_alternate_class): Likewise.
+ (qty_changes_size): Likewise.
+ (qty_first_reg): Likewise.
+ (alloc_qty): Rename variable QTY to QTYNO.
+ (finf_free_reg): Likewise.
+ (local_alloc): Allocate qty, do not allocate the removed variables.
+
+Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
+ when -membedded-pic is passed.
+
+ * config/mips/mips.md (casesi): Handle 64-bit case too.
+ (casesi_internal_di): New insn.
+
+ * config/mips/mips.c (embedded_pic_offset): Always make the
+ embedded-pic subtractions relative to the name of the current
+ function by use of the magic string "..CURRENT_FUNCTION".
+ * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
+
+1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
+ of (const_int 0), when what we really care about is
+ whether it's a zero constant anyway.
+ (div_trap_mips16): Likewise.
+
+1999-11-23 Mark Mitchell <mark@codesourcery.com>
+
+ * loop.c (loop_optimize): Always find_loop_tree_blocks and
+ unroll_block_trees when generating debuggable code.
+
+ * tree.h (unsave_expr_1): New function.
+ (lang_unsave): New variable.
+ (get_callee_fndecl): New function.
+ * tree.c (unsave_expr_now_r): New function.
+ (lang_unsave): Define.
+ (unsave_expr_1): Likewise.
+ (unsave_expr_now_r): Split out from unsave_expr_now.
+ (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
+ call unsave_expr_now_r.
+ (get_callee_fndecl): Define.
+
+ * Makefile.in (gencheck): Don't depend on lang_tree_files.
+ (gencheck.o): Do depend on lang_tree_files.
+
+ * integrate.h (copy_decl_for_inlining): New declaration.
+ * integrate.c (copy_and_set_decl_abstract_origin): Remove.
+ (copy_decl_for_inlining): New function.
+ (integrate_parm_decls): Use it.
+ (integrate_decl_tree): Likewise.
+
+1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
+ the second two from the first.
+ (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
+ * config/mips/mips.md (movcc,reload_incc,reload_outcc,
+ conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
+ ISA_HAS_FP4.
+ * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
+ override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
+ ISA_HAS_FP4.
+
+Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (call_internal_symref, call_value_internal_symref): No mode
+ needed on the address operand.
+ * pa.c (call_operand_address): Check for the correct mode.
+
+1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c: Include "basic-block.h".
+ (try_copy_prop, replace_loop_reg): New functions.
+ (load_mems): Detect registers that just hold copies of the hoisted
+ mem, and call try_copy_prop to eliminate them.
+ * Makefile.in (loop.o): Update dependencies.
+
+Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
+
+ * Makefile.in (gencheck.o): Depend on gencheck.h.
+ (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
+ (insn-peep.o): Depend on except.h and function.h.
+ (insn-attrtab.o): Depend on RECOG_H.
+ (insn-output.o): Depend on toplev.h and flags.h.
+ (gengenrtl.o): Depend on real.h.
+ (gen-protos.o): Depend on cpplib.h and cpphash.h.
+ Unify all dependencies to be on RECOG_H rather than recog.h.
+
+Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
+ * configure.in: Try building a bi-arch 32/64-bit compiler on
+ sparc-*-solaris2.7 and higher.
+ * configure: Rebuild.
+
+Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * config/freebsd.h: New, FreeBSD architecture independent file.
+ * config/i386/freebsd-elf.h: removed FreeBSD architecturally
+ independent pieces.
+ * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
+ directly by i386/freebsd.h.
+ * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
+ independent configuration file.
+ (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
+ directly by i386/freebsd.h.
+ * configure: Rebuilt.
+
+ * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
+ which is in the user's namespace.
+ * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
+ `i386' which is not in our namespace.
+
+Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
+
+ * invoke.texi (ARM Options): Add in -mno-alignment-traps
+
+1999-11-22 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
+ (add_dwarf_attr, add_child_die): Just push onto the front.
+ (reverse_die_lists): New fn.
+ (add_sibling_attributes): Use it.
+ (push_decl_scope): Reorganize.
+ (add_name_and_src_coords_attributes): Don't set file and line for
+ an artificial decl.
+ (gen_subprogram_die): An artificial function doesn't need to match
+ file and line.
+ (gen_compile_unit_die): Return the generated die. Only add
+ AT_comp_dir if the filename is relative.
+ (remove_AT): Simplify loop. Also free string values.
+ (output_die): A DIE ref can't be null.
+ (output_value_format, value_format): Take a dw_attr_ref.
+ (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
+ (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
+ AT_addr, AT_lbl): New fns.
+ (various): Use them.
+ (various): Constify.
+
+Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * combine.c (combine_simplify_rtx): When handling a SUBREG,
+ take SUBREG_WORD into account.
+ (if_then_else_cond): Likewise.
+
+1999-11-22 Jason Merrill <jason@casey.cygnus.com>
+
+ * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
+ clause from BSD license, pursuant with
+
+ ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
+
+1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (load_mems): Reformat slightly.
+ * basic-block.h (regset_head): New typedef.
+ (INIT_REG_SET): New macro.
+
+1999-11-22 Bruce Korb <autogen@linuxbox.com
+
+ * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
+ (mips-dec-bsd*): non-functional code
+ (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
+
+ * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
+ added three replacement fixes
+ (no_double_slash): removed comments that are not (any longer) pertinent
+ (bad_lval): this fix currently runs against many files.
+ The comment seems to indicate that we should select for files
+ containing 'pragma extern_prefix'.
+
+ * fixinc/fixinc.x86-linux-gnu: deleted
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+ * fixinc/fixincl.sh: regen
+
+Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
+
+ * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
+ its code is INSN and it has no notes.
+
+1999-11-22 Andrew Haley <aph@cygnus.com>
+
+ * varasm.c (function_defined): Remove.
+ (make_function_rtl): Don't set function_defined.
+ (make_decl_rtl): Remove global register warning.
+ * regclass.c (no_global_reg_vars): New variable.
+ (globalize_reg): Warn if function has already been defined.
+ (regclass_init): Set no_global_reg_vars.
+
+Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regclass.c (reg_pref): New structure and static variable
+ (prefclass): Delete.
+ (altclass): Delete.
+ (all uses of prefclass and altclass): Use reg_pref instead.
+
+1999-11-21 Nick Clifton <nickc@cygnus.com>
+
+ * invoke.texi (ARM Options): Replace -mshort-load-bytes with
+ -malignment-traps.
+ (arm.h): Replace -mshort-load-bytes with -malignment-traps.
+ (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
+ (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
+
+Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * varasm.c (output_constructor): Solve problem with long long
+ bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
+
+Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * global.c (allocno): New structure and static variable.
+ (allocno_reg): Remove, all references replaced by allocno.
+ (allocno_size): Likewise.
+ (hard_reg_conflicts): Likewise.
+ (hard_reg_preferences): Likewise.
+ (hard_reg_copy_preferences): Likewise.
+ (hard_reg_full_preferences): Likewise.
+ (regs_someone_prefers): Likewise.
+ (allocno_calls_crossed): Likewise.
+ (allocno_n_refs): Likewise.
+ (allocno_live_length): Likewise.
+ (find_reg): Rename ALLOCNO to NUM.
+
+ * regclass.c (may_move_in_cost): Rename from may_move_cost, all
+ references updated.
+ (may_move_out_cost): New variable.
+ (init_reg_sets_1): Initialize may_move_out_cost.
+ (record_reg_classes): Use may_move_out_cost.
+
+ * regclass.c (dump_regclass): New function.
+ (regclass): New parameter DUMP, call DUMP_REGCLASS.
+ * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
+ pass rtl_dump_file to regclass.
+ * rtl.h (regclass): Update prototype.
+
+Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (neg, not and abs patterns): Revmap to use
+ ix86_expand_unary_operator and ix86_unary_operator_ok.
+ (add?f and sub?f expanders): Force operand 1 to register.
+ * i386.c (ix86_expand_unary_operator): Rewrite.
+ (ix86_unary_operator_ok): Ensure that memory operands
+ match real opcode.
+ (ix86_binary_operator_ok): Do not allow operand 1 to
+ come into memory and operand 0 not.
+ (ix86_expand_binary_operator): Ensure that
+ src1 is not non-matching memory.
+
+ * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
+ to support integer registers and memory.
+ (abss?2_integer): Likewise.
+
+ * i386.h (enum reg_class): Add FLOAT_INT_REGS.
+ (REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
+ and GENERAL_REGS.
+ * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
+ (movsf): Likewise; unify 4th and 5th alternative.
+ (pushdf): Likewise.
+ (movdf_1): Likewise; rename to movdf_integer.
+ (pushxf): Likewise; rename to pushxf_integer; fix output template;
+ remove redundant splitter.
+ (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
+ (movdf_nointeger): New.
+ (movxf_nointeger): New.
+ (pushxf_nointeger): New.
+
+ * i386.md (extend?f?f): Split to expander and pattern, refuse two
+ memory operands in patterns.
+ (fop*): Refuse two memory operands.
+
+ * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
+ on !TARGET_USE_CLTD CPUs.
+
+Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
+
+ * extend.texi: Document C++ restricted pointers and references.
+
+1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
+ (invalidate_skipped_set): Call it unconditionally.
+ (cse_set_around_loop): Likewise.
+
+Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
+
+ * rtl.texi (mem): Add documentation for alias-set argument
+ to RTX `mem'.
+
+Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.h (struct_processor_costs): New fields int_load, int_store,
+ fp_move, fp_load and fp_store
+ (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
+ fp->int moves
+ (MEMORY_MOVE_COST): New macro.
+ * i386.c (386_cost): Define new fields.
+ (i486_cost): Likewise.
+ (pentium_cost): Likewise.
+ (pentiumpro_cost): Likewise.
+ (k6_cost): Likewise.
+
+Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
+ Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
+
+ * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
+ MASK_ALIGN_INT.
+
+ * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
+ (TARGET_STRICT_ALIGNMENT): New macro.
+ (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
+ (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
+ * invoke.texi (M680x0 Options): Document -mstrict-align.
+
+Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * i386-protos.h (split_xf, ix86_split_movdi): Remove.
+ (ix86_split_long_move): Declare.
+ * i386.c (split_xf, ix86_split_movdi): Remove.
+ (ix86_split_to_parts, ix86_split_long_move): New.
+ * i386.md (dimode move splitters): Use ix86_split_long_move.
+ (dfmode move splitters): Likewise.
+ (xfmode move splitters): Likewise.
+ (movsf_1): Allow F->r.
+ (movdf_1, movxf_1): Allow F->ro.
+
+1999-11-17 Mark Mitchell <mark@codesourcery.com>
+
+ * except.h (struct eh_entry): Add goto_entry_p.
+ (eh_region_from_symbol): Remove prototype.
+ * except.c (find_func_region_from_symbol): New function.
+ (emit_cleanup_handler): Likewise.
+ (eh_region_from_symbol): Make it static.
+ (add_new_handler): Verify the argument.
+ (find_func_region): Update comment.
+ (expand_eh_region_end): Expand handlers here, rater than waiting
+ until expand_leftover_cleanups or start_all_catch.
+ (expand_leftover_cleanups): Don't expand here.
+ (expand_start_all_catch): Or here.
+ (expand_rethrow): Check the return value from find_func_region.
+ * function.c (expand_function_end): Emit the catch_clauses.
+
+1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * integrate.c (expand_inline_function): Add necessary check for NULL.
+
+1999-11-18 Nick Clifton <nickc@cygnus.com>
+
+ * toplev.c (main): Correctly detect an unrecognized option.
+
+ * cppinit.c (cpp_handle_option): Do not claim to have consumed
+ a -f option if it has not been recognized.
+
+Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
+
+ * basic-block.h (update_life_extent): Remove trailing comma on
+ enumeration type list.
+
+1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * varasm.c (output_constructor) Solved problem with long long
+ bitfields. Corrected calculating this_time and shift. Also
+ corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
+
+Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (split_edge): Take looping structure into account when
+ determining where to put the new block note.
+
+Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
+
+ * Makefile.in (ggc-none.o): Provide host specific version if
+ needed.
+
+Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (delete_trivially_dead_insns): Identify no-op insns
+ containing subregs too.
+
+Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
+
+ * invoke.texi: Add documentation for -muninit-const-in-rodata.
+ * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
+ (TARGET_UNINIT_CONST_IN_RODATA): Define.
+ (text_section): Add switches -munint-const-in-rodata and
+ -mno-uninit-const-in-rodata.
+ (ASM_OUTPUT_COMMON): Remove.
+ (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
+ const objects should be placed in read-only data. Otherwise declare
+ them in common.
+
+Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Revert last change.
+
+Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
+ test if optimizing for size.
+
+1999-11-17 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (toplev.o): Depend on except.h.
+ (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
+
+Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (divmodsi4): Rewrite to expander.
+ (*divmodsi4_nocltd): New.
+ (*divmodsi4_cltd): New.
+ (divmodsi4 splitter): Handle the case when input comes in edx.
+ (udivmodhi4): Do not use constraints in exander.
+ (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
+
+1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
+ for the common case.
+
+1999-11-16 Jakub Jelinek <jakub@redhat.com>
+
+ * explow.c (hard_function_value): Add outgoing argument.
+ * expr.h (hard_function_value): Declare it.
+ * calls.c (expand_call, emit_library_call_value): Update callers.
+ * function.c (aggregate_value_p): Ditto.
+ (diddle_return_value): Must look at the outgoing registers
+ on archs with register windows.
+
+Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_build_va_list): Use make_lang_type and
+ initialize TYPE_NAME for the va_list record.
+
+ * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
+
+ * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
+ for printing.
+ * ggc.h (struct ggc_statistics): Rearrange elements for better
+ packing on 64-bit hosts.
+ * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
+ (compute_nearerout): Likewise.
+
+Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (first_reg_to_save): Save
+ PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
+
+1999-11-15 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
+ notion of nesting to find the DIE for a type or function.
+ DIEs can go in limbo even if we got a context_die.
+ (push_decl_scope): Our context doesn't need to be in decl_scope_table.
+ (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
+ for local type.
+ (gen_decl_die): Ignore NAMESPACE_DECLs for now.
+ (gen_type_die): Writing out the context doesn't cause member class
+ template instantiations to be written out as well.
+
+Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.h (ASM_OUTPUT_DEF): New.
+ Based on proposed addition from David Edelsohn.
+
+1999-11-15 Robert Lipe <RobertLipe@usa.net>
+ Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/inclhack.def
+ (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
+ (unixware7_byteorder_fix): added. Removes conflicts for new defs
+ in net/inet.h.
+ (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
+ (svr4_endian): enabled with SVR5
+ (svr4_mkdev): simplified syntax and enabled with SVR5
+
+Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
+ * configure: Rebuilt.
+ * config/t-freebsd-thread: New file.
+
+Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.c (ix86_decompose_address): Verify the base is a REG
+ before trying to examine its register number.
+
+ * basic-block.h: Remove all #defines and prototypes related to
+ integer lists.
+ (free_bb_mem, compute_preds_succs): Remove prototype.
+ * rtl.h (free_bb_mem): Remove prototype.
+ * flow.c (alloc_int_list_node); Remove function.
+ (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
+ (compute_preds_succs, free_bb_mem): Likewise.
+ * gcse.c (gcse_main): Do not call free_bb_mem anymore.
+ * toplev.c (rest_of_compilation): Likewise.
+ * haifa-sched.c (build_control_flow): Use flow generated edge
+ list to build the haifa specific edge list.
+ (find_rgns): Use new CFG data structures instead of pred/succ lists.
+ (schedule_insns): Do not build pred/succ lists anymore. Instead
+ build the edge table.
+
+ * basic-block.h (dump_bb_data): Remove declaration.
+ * flow.c (dump_bb_data): Remove function.
+ * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
+ (sbitmap_union_of_predsucc): Likewise.
+
+ * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
+ argument. All callers changed.
+ (delete_null_pointer_checks_1): No longer need to compute the
+ pred/succ lists.
+
+ * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
+ All callers changed.
+ (pre_expr_reaches_here_p_work): Likewise.
+ (pre_edge_insert): No longer call pre_expr_reaches_here_p.
+ * lcm.c (compute_laterin): Fix initialization of LATER.
+ (compute_nearerout): Similarly for NEARER.
+
+Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (set_nonvarying_address_components): Delete unused function.
+ (refers_to_p): Likewise.
+
+Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
+ needed.
+
+Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
+ definition in do while (0).
+
+Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
+
+ * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
+
+Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
+
+ * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
+
+Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
+ (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
+ (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
+ (INITIAL_FRAME_POINTER_OFFSET): Remove it.
+
+ * i960.c (i960_function_prologue): Don't allocate space for g8-g11
+ saved on the stack. Output more accurate stack frame statistics
+ into assembler file.
+
+1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
+
+ * genextract.c (record_insn_name): New function.
+ (get_insn_name): No longer a stub.
+ (main): Call record_insn_name for each insn. After each label
+ written, print the insn name in a comment.
+
+Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (const_section, init_section, fini_section): Add
+ prototypes.
+
+ * alpha/elf.h (const_section): Delete declaration.
+
+ * svr4.h (const_section): Likewise.
+
+Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
+ * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
+ (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
+ expressions.
+ * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
+ variable-sized array bounds.
+
+Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
+
+ * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
+ ASM_OUTPUT_LABEL.
+
+Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
+ addresses the same way GO_IF_LEGITIMATE_INDEX does.
+
+Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (hash_arg_in_struct): Delete.
+ (struct table_elt): Delete elt in_struct.
+ (struct set): Delete elt src_in_struct.
+ (merge_equiv_classes): Don't set either hash_arg_in_struct or
+ the corresponding in_struct elts.
+ (canon_hash): Likewise.
+ (safe_hash): Likewise.
+ (find_best_addr): Likewise.
+ (record_jump_cond): Likewise.
+ (cse_insn): Likewise.
+
+Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
+
+ * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
+
+ * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
+ unsigned types.
+
+Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (diddle_return_value): Put back check that the DECL_RTL
+ for the function is a register.
+
+ * function.c (diddle_return_value): Use hard_function_value to
+ get an rtx suitable for use in the USE/CLOBBER insn.
+
+ * global.c (global_conflicts): Update comments.
+ (record_conflicts): No need to record conflicts between pseudos here.
+
+1999-11-11 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/fixincl.c: Added verbose levels for status messages
+
+Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
+ operand as argument to expand_and or expand_binop.
+
+Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
+
+ * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
+ gcc_add_string_root.
+
+Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
+
+ * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
+
+Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (compute_flow_dominators): Initially put all blocks on
+ the worklist.
+ * lcm.c (compute_antinout_edge, compute_available): Similarly.
+ * gcse.c (compute_cprop_avinout): Remove.
+ (compute_cprop_data): Use compute_available.
+ (delete_null_pointer_checks_1): Use compute_available.
+
+ * basic-block.h (compute_available): Returns a void now.
+ * gcse.c (one_classic_gcse_pass): Do not expect compute_available
+ to return a value anymore.
+ * lcm.c (compute_available, compute_antinout_edge): Revamp to use
+ worklists. Fix boundary cases. Compute maximal solutions.
+ (compute_laterin, compute_nearerout): Similarly.
+
+ * dwarf2out.c (add_AT_location_description): Allow
+ (mem (plus (pseudo) (...)) too.
+
+Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (do_spec_1): Support text between `%u' and `%O'.
+
+Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
+ Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
+
+ * gansidecl.h: Likewise.
+
+ * rtl.c: Likewise.
+
+ * rtl.h: Likewise.
+
+ * toplev.h: Likewise.
+
+ * tree.c: Likewise.
+
+ * tree.h: Likewise.
+
+ * varray.c: Likewise.
+
+ * varray.h: Likewise.
+
+Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
+
+ * gcov.c (struct arcdata): Add hits and total, remove prob.
+ (output_branch_counts): New.
+ (process_args): Set output_branch_counts if -c.
+ (calculate_branch_probs): Store hits and total instead of
+ percentage.
+ (output_data): Emit counts if output_branch_counts is true.
+ * gcov.texi (Invoking Gcov): Document -c switch..
+
+Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
+ `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
+
+Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
+
+ * invoke.texi (C Dialect Options): Add missing builtins from
+ c-common.c to list.
+ * extend.texi (Other Builtins): Copy to this list.
+
+Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
+ (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
+ redundant bitmap.h.
+
+Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (compute_flow_dominators): No longer treat basic block 0
+ or (n_basic_blocks - 1) specially. Clear the AUX field before
+ starting computation of doms/pdoms. Fix initial state for pdoms.
+
+Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
+ match rtl.o's: added ggc.h and toplev.h
+ ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
+ ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
+ ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
+
+Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
+
+ * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
+ from HAVE_DOS_BASED_FILESYSTEM.
+ * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
+ HAVE_DOS_BASED_FILESYSTEM.
+ (main): Likewise.
+ (split_directories): Only special-case DOS file names if
+ HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
+ instead of explicit tests. Conditionalize on !VMS.
+ (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
+ tests. Conditionalize on !VMS.
+ (process_command): Only use make_relative_prefix if !VMS.
+ (free_split_directories): Conditionalize on !VMS.
+ (DIR_UP): Conditionalize on !VMS.
+
+Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
+
+Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
+ case.
+
+Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
+
+ * invoke.texi (Environment Variables): Document relative path
+ lookup.
+ * gcc.c (DIR_UP): If not defined, define as "..".
+ (standard_bindir_prefix): New static, holds target location to
+ install binaries.
+ (split_directories): New function to split a filename into
+ component directories.
+ (free_split_directories): New function, release memory allocated
+ by split_directories.
+ (make_relative_prefix): New function, make a relative pathname if
+ the compiler is not in the expected location.
+ (process_command): If GCC_EXEC_PREFIX was not specified, see if we
+ can figure out an appropriate prefix from argv[0].
+ * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
+ STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
+ STANDARD_BINDIR_PREFIX.
+
+Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
+ in c4x.c.
+ * config/c4x/c4x.h: Moved prototypes to c4x.h.
+ * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
+ c4x_secondary_memory_needed) Delete.
+ (fp_zero_operand): Add mode argument.
+
+Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
+
+ * reload1.c (reload_reg_free_for_value_p): Don't use a register
+ that is in reload_reg_used.
+
+Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm-protos.h: New file: Prototypes for functions
+ defined in arm.c and pe.c.
+ * config/arm/arm.h: Fix compile time warnings.
+ * config/arm/arm.c: Fix compile time warnings.
+ * config/arm/pe.h: Fix compile time warnings.
+ * config/arm/aout.h: Fix compile time warnings.
+
+Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/m32r/m32r-protos.h: New file: Prototypes for functions
+ defined in m32r.c
+
+ * config/m32r/m32r.h: Move prototypes to m32r-protos.h
+ Add support for subtargets.
+ Add prototypes for new predicates.
+ Add scheduling macros.
+
+ * config/m32r/m32r.c: Fix compile time warnings.
+ (int8_operand): New predicate function.
+ (reg_or_cmp_int16_operand): New predicate function.
+ (extend_operand): New predicate function.
+ (m32r_adjust_code): New scheduling function.
+ (m32r_adjust_priority): New scheduling function.
+ (m32r_sched_init): New scheduling function.
+ (m32r_sched_reorder): New scheduling function.
+ (m32r_sched_variable_issue): New scheduling function.
+ (direct_return): New codegen function.
+ (m32r_not_same_reg): New rtl testsing function.
+
+ * config/m32r/m32r.md: Fix compile time warnings.
+ Add support for pre decrement and post increment memory
+ references.
+ Add S<cc> patterns.
+ Add fabs patterns.
+
+Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * global.c (EXECUTE_IF_CONFLICT): Don't define.
+ (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
+ (find_reg): Likewise.
+
+Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
+
+ * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
+ to avoid assembler errors.
+
+Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850-protos.h: New file: Prototypes for functions
+ defined in v850.c
+ * config/v850/v850.h: Move prototypes to v850-protos.h
+ * config/v850/v850.c: Move prototypes to v850-protos.h
+ * config/v850/v850.md: Fix compile time warnings.
+
+ * config/fr30/fr30-protos.h: New file: Prototypes for functions
+ defined in fr30.c
+ * config/fr30/fr30.h: Move prototypes to fr30-protos.h
+ * config/fr30/fr30.c: Fix compile time warnings.
+ * config/fr30/fr30.md: Fix compile time warnings.
+
+Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (get_containing_scope): Declare it.
+ * tree.c (get_containing_scope): New fucntion.
+ (decl_function_context): Use it.
+ * toplev.c (rest_of_compilation): Use get_containing_scope.
+
+aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * Makefile.in (rtl.o): Depend on toplev.h.
+
+Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * cse.c (delete_trivially_dead_insns): Replace alloca with
+ xmalloc/xcalloc.
+ * except.c (update_rethrow_references): Likewise.
+ (init_eh_nesting_info): Likewise.
+ * function.c (identify_blocks): Likewise.
+ * gcse.c (dump_hash_table): Likewise.
+ * graph.c (print_rtl_graph_with_bb): Likewise.
+ * loop.c (combine_movables): Likewise.
+ (move_movables): Likewise.
+ (count_loop_regs_set): Likewise.
+ (strength_reduce): Likewise.
+ * profile.c (compute_branch_probabilities): New function, split
+ out from ...
+ (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
+ * regclass.c (regclass): Likewise.
+ * regmove.c (regmove_optimize): Likewise.
+ * toplev.c (compile_file): Likewise.
+ (main): Don't mess with the stack rlimit.
+
+Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
+ (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
+
+Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
+
+Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
+ (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
+ macro expansion.
+
+Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
+
+ * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
+
+Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (post_dominators): Kill.
+ (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
+ (compute_code_hoist_data): Use compute_flow_dominators. Do not
+ pass in a pdom array since we do not need pdoms.
+ * haifa-sched.c (schedule_insns): Similarly.
+ * flow.c (compute_dominators): Remove dead function.
+ (compute_flow_dominators): Do not compute doms or pdoms if the
+ caller does not request them. Split up loop to build doms and
+ pdoms. Use a worklist to compute doms and pdoms.
+ * basic-block.h (compute_dominators): Remove prototype.
+
+Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
+ (insn_luid, insn_priority, insn_costs, insn_units): Remove.
+ (insn_reg_weight, insn_depend, insn_dep_count): Remove.
+ (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
+ (cant_move, fed_by_spec_load, is_load_insn): Remove.
+ (schedule_region): Remove unused variable.
+ (schedule_insns): Allocate h_i_d, and not all the separate arrays.
+
+Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
+ (update_equiv_regs): Likewise.
+ (block_alloc): Likewise.
+ * reg-stack.c (reg_to_stack): Likewise.
+ (convert_regs_2): Likewise.
+ * reload1.c (reload_as_needed): Likewise.
+
+Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (dbxout.o): Depend on ggc.h.
+ (dwarf2out.o): Likewise.
+ (xcoffout.o): Likewise.
+ * dbxout.c: Include ggc.h.
+ (dbxout_init): Register lastfile as a root.
+ * dwarf2out.c: Include ggc.h.
+ (dwarf2out_line): Register lastfile as a root.
+ * xcoffout.c: Include ggc.h.
+ (xcoffout_source_line): Register xcoff_lastfile as a root.
+
+Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
+
+Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
+ defined.
+ (ASM_DECLARE_FUNCTION_SIZE): Likewise.
+
+Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
+ (EXECUTE_IF_CONFLICT): Likewise.
+ (ALLOCNO_LIVE_P): Avoid signed division.
+ (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
+ (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
+ (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
+
+Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (schedule_block): Don't crash if there's no
+ next insn for an interblock movement.
+ (add_branch_dependences): Don't allow clobber insns to move either.
+
+Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (split_xf): New.
+ * i386-protos.h: Declare it.
+ * i386.md (movxf_1): Add general regs alternatives.
+ (movxf_1+1): New splitter for same.
+
+Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
+
+ * function.c (purge_addressof_1): Add missing return values.
+
+Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
+
+ * function.c (is_addressof): New function. Returns true if
+ the given piece of RTL is an ADDRESSOF.
+ (purge_addressof_1): Make boolean. Return false if the
+ ADDRESSOFs could not be purged.
+ (purge_addressof): If ADDRESSOFs could not be purged from the
+ notes attached to an insn, remove the offending note(s),
+ unless they are attached to a libcall.
+
+1999-11-05 Andreas Jaeger <aj@suse.de>
+
+ * genoutput.c (null_operand =): Initialize all fields.
+
+ * errors.h: Add extern to prototypes.
+
+Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
+ * configure: Rebuilt.
+
+Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
+ (mirror_conflicts): New function.
+ (global_alloc): Call it.
+ (expand_preferences): Remove redundant CONFLICTP test.
+ (find_reg, dump_conflicts): Likewise.
+ (prune_preferences): Process conflicts one word at a time.
+
+Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
+
+ * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
+ instead of an explicit loop.
+
+Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
+
+ * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
+ if REG_RETVAL check succeeds, then put classp in src_elt.
+
+Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (pad_to_arg_alignment): Only update argument_pad
+ if the argument's alignment is greater than STACK_BOUNDARY.
+
+Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
+
+ * bitmap.h (BITMAP_XFREE): New.
+ * flow.c (life_analysis): Use it.
+ (life_analysis_1): Free blocks.
+
+ * combine.c (undo_commit): New.
+ (try_combine): Use it. Don't zap undobuf.undos.
+ (combine_instructions): Don't zap undobuf.undos; free the
+ undobuf.frees list.
+
+ * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
+
+ * stmt.c (cost_table_): New.
+ (estimate_case_costs): Use it instead of xmalloc.
+
+ * toplev.c (compile_file): Reuse dumpname memory instead
+ of strdup'ing it.
+
+Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
+
+ * reg-stack.c (convert_regs_1): Initialize target_stack->top
+ after verifying an EH edge.
+
+ * haifa-sched.c (init_rgn_data_dependences): Correctly
+ size bb_pending_lists_length when zeroing.
+
+Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
+
+ * function.c (diddle_return_value): New.
+ (expand_function_end): Use it.
+ * stmt.c (expand_null_return): Likewise.
+ (expand_value_return): Likewise.
+
+ * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
+
+ * reload1.c (reload): Don't remove return value clobbers.
+
+Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
+
+Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (cse_main): Use xmalloc, not alloca.
+ (cse_basic_block): Likewise.
+ * local-alloc.c (local_alloc): Likewise.
+
+Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
+ Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * rtl.c: Include toplev.h.
+ (fatal): Remove declaration.
+
+Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (schedule_block): Fix thinko.
+
+1999-11-03 James McKelvey <mckelvey@fafnir.com>
+
+ * fixinc/fixincl.c(create_file): Allow for systems that do not have
+ S_IR* defined values
+
+1999-11-03 Philippe De Muyter <phdm@macqel.be>
+
+ * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
+ call `malloc' instead.
+
+Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * flags.h (flag_renumber_insns): Declare.
+ * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
+ renumbering table.
+ * rtl.h (renumber_insns): Change prototype.
+ * toplev.c (flag_renumber_insns): Define.
+ (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
+
+Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
+ and fpsqrtd. Use them and create fdiv function unit to more
+ accurately represent fpu sqrt pipeline semantics on UltraSPARC.
+ * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
+
+Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
+
+ * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
+ 3 on UltraSPARC.
+ * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
+ insn into ready list, do not use just a raw swap.
+
+Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * rtl.h (renumber_insns): New function.
+ (remove_unnecessary_notes): Likewise.
+ * emit-rtl.c (renumber_insns): Define.
+ (remove_unnecessary_notes): Likewise.
+ * toplev.c (rest_of_compilation): Remove dead code.
+ Use renumber_insns and remove_unnecessary_notes.
+
+ * gcse.c (struct null_pointer_info): New type.
+ (get_bitmap_width): New function.
+ (current_block): Remove.
+ (nonnull_local): Likewise.
+ (nonnull_killed): Likewise.
+ (invalidate_nonnull_info): Take a null_pointer_info as input.
+ (delete_null_pointer_checks_1): New function.
+ (delete_null_pointer_checks): Use it.
+
+ * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
+ (split_edges): Likewise.
+ (schedule_block): Likewise.
+ (compute_block_backward_dependencies): Likewise.
+ (schedule_region): Likewise.
+ (schedule_insns): Likewise.
+
+Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
+
+ * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
+ * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
+ * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
+ * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
+ * jump.c (delete_unreferenced_labels): Don't delete if
+ LABEL_ALTERNATE_NAME is set.
+ * print-rtl.c (print_rtx): Dump alternate name.
+ * rtl.def (CODE_LABEL): Change format to "iuuis00s".
+ * rtl.h (LABEL_ALTERNATE_NAME): Define.
+ * rtl.texi (LABEL_ALTERNATE_NAME): Document.
+ * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
+
+Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fix-header.c (recognized_extern, recognized_function): Constify
+ a char*.
+
+ * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
+ (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
+ (compute_available): Remove unused variable `last'.
+ (compute_nearerout): Remove unused variable `temp_bitmap'.
+ (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
+ Remove unused variable `x'.
+
+ * scan.h (recognized_function, recognized_extern): Constify a
+ char*.
+
+ * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
+
+Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * varasm.c (decode_rtx_const): Use XSTR to access the string
+ of a SYMBOL_REF.
+
+Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c (duplicate_decls): Copy DECL_MODE too.
+
+Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
+
+Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (ireg_operand): New function.
+ * pa.h (PREDICATE_CODES): Handle ireg_operand.
+ * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
+ Fix out of date comment.
+
+ * pa.md (negdi2): Turn into expander + anonymous pattern.
+
+ * reload.c (find_reloads): Fix typos in recent change.
+
+ * dwarf2out.c: Do not include ctype.h.
+
+Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * regclass.c (record_reg_classes): Always use may_move_cost when
+ seeing how operand fits with various register classes.
+
+Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
+ * toplev.c: Revert Nov 1 13:22 change.
+
+Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
+
+ * config/pa/pa.md (height reduction patterns): Add checks for
+ overlapping operands to avoid semantic-destroying splits for
+ height reduction patterns.
+
+Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
+ have been an hyphen, fixed.
+ * configure: Rebuilt.
+
+Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/tpe.h: Add prototypes for exported functions.
+ * config/arm/pe.c: Fix compile time warnings.
+ * config/arm/semi.h: Fix compile time warnings.
+ * config/arm/arm.c: Fix compile time warnings.
+ * config/arm/arm.h: Fix compile time warnings.
+ * config/arm/arm.md: Fix compile time warnings.
+ * config/arm/thumb.c: Fix compile time warnings.
+ * config/arm/thumb.h: Fix compile time warnings.
+ * config/arm/thumb.md: Fix compile time warnings.
+
+Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
+ detection code
+
+ * unroll.c (unroll_loop): Remove LOOP notes when loop is
+ completely unrolled.
+
+Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
+
+Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
+
+ * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
+ * rtl.h (rtx_equal_p): Move prototype.
+ * rtl.c (rtx_equal_function_value_matters): Move from
+ rtlanal.c
+ (rtx_equal_p): Likewise.
+ * rtlanal.c (rtx_equal_function_value_matters): Delete.
+ (rtx_equal_p): Likewise.
+
+Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
+ ! HAS_INIT_SECTION.
+
+Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcc.1 (PA options): Remove obsolete -mshared-libs options.
+
+ * pa.h (ADDR_VEC_ALIGN): Define.
+
+ * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
+ notes when presented with "if (foo) break; end_of_loop" and
+ the break sequence gets moved out of the loop.
+
+ * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
+ Remove explicit zero initializations of entries within MAP.
+
+Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
+
+ * reg-stack.c (convert_regs_1): Handle EH edges specially.
+
+Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * bitmap.h (BITMAP_XMALLOC): New macro.
+ * flow.c (CLEAN_ALLOCA): Remove.
+ (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
+ (life_analysis): Likewise.
+ (update_life_info): Don't use CLEAN_ALLOCA.
+ (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
+ (calculate_global_regs_live): Likewise.
+ (print_rtl_with_bb): Likewise.
+ (verify_flow_info): Likewise.
+ * global.c (global_alloc): Likewise.
+ (global_conflicts): Likewise.
+ * integrate.c (save_for_inline_nocopy): Likewise.
+ (expand_inline_function): Likewise.
+ * jump.c (jump_optimize_1): Likewise.
+ (duplicate_loop_exit_test): Likewise.
+ (thread_jumps): Likewise.
+ * loop.c (loop_optimize): Likewise.
+ (combine_givs): Likewise.
+ (recombine_givs): Likewise.
+ * reorg.c (dbr_schedule): Likewise.
+ * unroll.c (unroll_loop): Likewise.
+
+ * combine.c (combine_instructions): Use xmalloc instead of alloca.
+
+Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Don't optimize the CFG
+ when rebuilding, just before dbr.
+
+Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (assemble_end_function, assemble_destructor,
+ assemble_constructor, assemble_gc_entry, assemble_global,
+ assemble_label, output_constant_pool) Constify a char*.
+
+ * varasm.c (assemble_destructor, assemble_constructor,
+ assemble_gc_entry, assemble_end_function, assemble_global,
+ assemble_label, output_constant_pool): Likewise.
+
+Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/thumb.c (thumb_expand_prologue): Add comments
+ explaining what is goin on in this function.
+
+Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * regclass.c (record_reg_classes): In matching case, recompute
+ costs since the direction of movement is different.
+
+Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
+
+ * resource.c (mark_target_live_regs): For unconditional branches,
+ the resources found at the branch target should be added to the
+ resources found so far, not intersected.
+
+Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
+ old cpp's.
+ * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
+ (sys/mman.h): Include this file only if #HAVE_MMAP.
+ (run_compiles): Initialize `esac_fmt' with one old KR string, not
+ with automatically concatenated ANSI strings.
+
+Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc-page.c (struct page_entry): Remove save_num_free_objects.
+ (DIV_ROUND_UP): Robustify.
+ (ggc_recalculate_in_use_p): New function.
+ (release_pages): Don't inline it.
+ (ggc_alloc_obj): Don't refuse to allocate objects on pages for
+ outer contexts.
+ (ggc_pop_context): Use ggc_recalculate_in_use_p.
+ (clear_marks): Always save in_use_p.
+ (sweep_pages): Use ggc_recalculate_in_use_p.
+ (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
+ Release pages before counting statistics.
+
+Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.c (rest_of_compilation): Fix thinko in this change:
+
+ Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
+
+ (rest_of_compilation): If inside an inlined external function,
+ pretend we are just being declared.
+
+Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (calculate_global_regs_live): Fix thinko.
+
+ * integrate.c (expand_inline_function): Fix bugs in previous
+ change from Oct 28, 1999.
+
+Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_value_return): Fix typo in this change:
+
+ Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+ (expand_value_return): Correctly convert VAL when promoting function
+ return; support RETURN_REG being a PARALLEL.
+
+Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
+
+Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * hard-reg-set.h (reg_names): Constify a char*.
+
+ * regclass.c (reg_names): Likewise.
+
+ * regs.h (reg_names): Likewise
+
+ * a29k/a29k.c (reg_names): Delete declaration.
+
+ * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
+
+ * arc/arc.c (arc_save_restore, arc_output_function_prologue,
+ arc_output_function_epilogue): Likewise.
+
+ * elxsi/elxsi.c (reg_names): Likewise.
+
+ * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
+
+ * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
+ Likewise.
+
+ * m88k/m88k.c (output_function_profiler): Likewise.
+
+ * sparc/sparc.c (sparc_flat_output_function_prologue,
+ sparc_flat_output_function_epilogue): Likewise.
+
+Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
+
+ * toplev.c (rest_of_compilation): Separate the setjmp/vfork clobber
+ warning from -Wuninitialized and put it under -W.
+ * function.c (uninitialized_vars_warning): Warn only when the
+ corresponding flag is set.
+
+Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
+ is nonzero and the single set does not have an elt, then assign
+ it an elt.
+
+ * simplify-rtx.c: New file.
+ * Makefile.in (OBJS): Add simplify-rtx.o
+ (simplify-rtx.o): Add dependencies.
+ * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
+ * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
+ (cse_gen_binary, simplify_unary_operation): Delete.
+ (simplify_binary_operation, simplify_plus_minus): Likewise.
+ (check_fold_consts, simplify_relation_operation): Likewise.
+ (simplify_ternary_operation): Likewise.
+ (delete_trivially_dead_insns): Simplify the contents of the
+ REG_EQUAL note before trying to substitute it into the source
+ of the reg-reg copy at the end of a libcall sequence.
+
+ * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
+ references/callers changed.
+
+ * mn10200.c (mn10200_va_arg): Force the return value into a
+ register.
+
+ * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
+
+ * cccp.c (macroexpand): Avoid out of range accesses for omitted
+ arguments.
+
+Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
+
+ * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
+
+Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fold-const.c (fold): Fix thinko when optimizing comparisons
+ against -0.0.
+
+Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
+
+ * gcc.texi (Passes): Update front-end files to their current
+ location.
+
+Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
+ (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
+ (PREDICATE_CODES): Add addition_operation.
+ * alpha-protos.h (addition_operation): Declare.
+ (secondary_reload_class): Likewise.
+ * alpha.c (addition_operation): New.
+ (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
+ * alpha.md (adddi3): Turn into expander.
+ (*lda, *adddi_2): New.
+ (movsf, movdf patterns): Don't preference integer regs.
+ (movsi, movdi patterns): Don't preference fp regs.
+
+Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (write_switch): Check for duplicate CODE cases.
+
+Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-common.c: Update pre-function commentary.
+ * ggc-page.c: Likewise.
+ (poison): Remove.
+ (poison_pages): Use memset directly.
+ (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
+ (ggc_collect): Poison before sweeping.
+ * ggc-simple.c: Update pre-function commentary.
+ (ggc_alloc_obj): Poison nonzeroed memory.
+
+Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
+ match format string, even on 64-bit hosts.
+ * gcc-page.c (ggc_page_print_statistics): Likewise.
+
+Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/i386/i386.c (ix86_cpu): Revert last patch.
+ * config/i386/i386.h (ix86_cpu): Ditto.
+
+Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
+
+ * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
+ TYPE_SIZE, convert type of result to sizetype.
+
+Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (count_or_remove_death_notes): Equate NULL with the
+ universal set.
+
+ * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
+ * toplev.c (rest_of_compilation): Rebuild CFG immediately before
+ dbr_schedule.
+
+ * i386.c (pic_label_no): Delete.
+ (ix86_attr_length_default): Don't use single_set to peek
+ inside a parallel.
+
+ * recog.c (peephole2_optimize): Allow recog_next_insn to index
+ the first insn after bb->end.
+ * i386.md (push mem peeps): Scratch is live after evaluation
+ of the memory.
+ (cmp mem peep): Similarly.
+
+Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
+
+ * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
+ * function.c (pad_to_arg_alignment): Add missing braces.
+
+Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha/alpha-protos.h (literal_section): Add prototype.
+ (alpha_need_linkage, alpha_start_function,alpha_end_function):
+ Constify a char*.
+
+ * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
+ prototype.
+ (alpha_start_function, alpha_end_function, float_strings,
+ alpha_need_linkage): Constify a char*
+
+ * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
+
+ * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+ * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+ * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
+
+Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * flow.c (debug_flow_info): Add prototype.
+
+ * gcc.c (main): Likewise.
+
+ * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
+ Likewise.
+
+ * reload1.c (failed_reload, set_reload_reg): Likewise.
+
+ * mips-tfile.c (main): Likewise.
+ (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
+ with ATTRIBUTE_NORETURN.
+
+Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
+ DECL is not a memory ref.
+
+Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/i386/i386.h (ix86_cpu): Remove extern attribute.
+ * config/i386/i386.c (ix86_cpu): Add extern attribute.
+
+Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
+ * config/mips/elf64.h: ditto.
+
+Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
+
+ * expr.c (emit_push_insn): New argument alignment_pad.
+ Update all callers. Adjust stack pointer based on alignment pad.
+ * function.c (pad_to_arg_alignment): New argument alignment_pad.
+ Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
+ (locate_and_pad_parm): New argument alignment_pad. Update all
+ callers.
+ * expr.h (emit_push_insn): Update prototype.
+ (locate_and_pad_parm): Update prototype.
+ * calls.c (arg_data): Add new field alignment_pad.
+ (initialize_argument_information): Initialize alignment_pad.
+
+Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (free_eh_nesting_info): Free the info itself.
+ * function.c (free_after_compilation): Don't free NULL.
+ * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
+ (pre_edge_insert): Free inserted.
+ * stmt.c (free_stmt_status): Don't free NULL.
+
+Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
+
+ * gcov.c (DIR_SEPARATOR): Provide default.
+ (output_data): Add test for MS-DOS format absolute filename.
+ (fancy_abort): Correct program name.
+ (open_files): Open all files in binary mode.
+ * libgcc2.c (__bb_exit_func): Likewise.
+
+ * profile.c (init_branch_prob): Specify binary when opening files.
+
+ * flags.h (flag_unwind_tables): New decl.
+ * toplev.c (flag_unwind_table): New definition.
+ (f_options): Add -funwind-tables.
+ (decode_g_option): Clarify warning when unknown -g option is given.
+ (rest_of_compilation): If inside an inlined external function,
+ pretend we are just being declared.
+
+ * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
+ (dwarf2out_frame_finish): Likewise.
+
+Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
+
+ * fold-const.c (merge_ranges): If not in0, but in1, handle
+ upper bounds equal like subset case.
+
+Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
+
+ * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
+ passed in a register but moved to the stack.
+
+Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
+
+ * gcc.c (pass_exit_codes, greatest_status): New variables.
+ (struct option_map): Add entry for "--pass-exit-codes".
+ (execute): Update greatest_status if error.
+ (display_help): Add documentation for -pass-exit-codes.
+ (process_command): Handle -pass-exit-codes.
+ (main): Look at pass_exit_codes and greatest_status on call to exit.
+
+Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload.c (find_reloads): Refine test for no input reload
+ case to not includes reloads emitted after insn.
+
+ * function.c (find_temp_slots_from_address): Handle sum involving
+ a register that points to a temp slot.
+ (update_temp_slot_address): Make recursive call if both old and
+ new are PLUS with a common operand.
+ * calls.c (expand_call): Mark temp slot for result as having
+ address taken.
+
+ * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
+
+ * gcc.c (process_command): Add standard_exec_prefix with "GCC"
+ component as well as "BINUTILS".
+
+ * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
+ * integrate.c (copy_rtx_and_substitute): Likewise.
+ (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
+ All callers changed.
+ * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
+
+ * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
+ gdb extensions, write size of type; also be more consistent
+ in using references when this is a subtype.
+
+ * pa.md (extv, extzv, insv): Use define_expand to reject constant
+ that is out of range.
+
+ * loop.c (unknown_constant_address_altered): New variable.
+ (prescan_loop): Initialize it.
+ (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
+ (invariant_p, case MEM): Remove handling for volatile and readonly;
+ check new variable if readonly.
+ (check_dbra_loop): Chdeck unknown_constant_address_altered.
+
+ * cse.c (canon_hash, case MEM): Do not record if BLKmode.
+ (addr_affects_sp_p): Removed from note_mem_written and only
+ define #ifdef AUTO_INC_DEC.
+
+ * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
+
+ * regclass.c (record_reg_classes): Properly handle register move
+ directions.
+
+ * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
+ Don't think valid if both operands are invalid.
+ (struct constant_descriptor): New field RTL.
+ (mark_const_hash_entry): Mark it.
+ (record_constant{,_rtx}): Initialize it.
+ (output_constant_def): Allocate RTL in permanent obstack and
+ save in table.
+ ({record,compare}_constant_1): Modes must match for
+ CONSTRUCTOR of ARRAY_TYPE.
+
+ * c-common.h (initializer_constant_valid_p): Delete decl from here.
+ * output.h (initializer_constant_valid_p): Move decl to here.
+ * c-common.c (initializer_constant_valid_p): Delete function from here.
+ * varasm.c (initializer_constant_valid_p): Move function to here.
+
+ * tree.h (STRIP_SIGN_NOPS): New macro.
+ * fold-const.c (optimize_minmax_comparison): New function.
+ (invert_truthvalue, case WITH_RECORD_EXPR): New case.
+ (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
+ (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
+ cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
+ widening conversions.
+ (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
+ to look at size of mode, not precision of type; also add missing cases.
+ (optimize_bit_field_compare, decode_field_reference): Don't try to
+ optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
+
+ * dwarf2out.c (ctype.h): Include.
+ (dwarf2out_set_demangle_name_func): New function.
+ (size_of_line_info): Deleted.
+ (output_line_info): Compute size of line info table from difference
+ of labels.
+ (base_type_die, add_name_attribute): Call demangle function, if any.
+ (field_byte_offset): Use bits per word for variable length fields.
+ (gen_array_type_die): Add array name.
+ (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
+ (dwarf2out_add_library_unit_info): New function.
+
+ * explow.c (set_stack_check_libfunc): New function.
+ (stack_check_libfunc): New static variable.
+ (probe_stack_range): Allow front-end to set up a libfunc to call.
+
+ * combine.c (simplify_comparison): When making comparison in wider
+ mode, check for having commuted an AND and a SUBREG.
+ (contains_muldiv): New function.
+ (try_combine): Call it when dividing a PARALLEL.
+ (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
+ (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
+ a PLUS.
+ (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
+ use one of the CLOBBERs instead.
+ (if_then_else_cond): If comparing against zero, just return thing
+ being compared.
+
+ * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
+ Don't generate shifts and subtract if have conditional arithmetic.
+
+ * rtl.h (delete_barrier): New declaration.
+ * jump.c (jump_optimize): Set up to handle conditional call.
+ In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
+ (delete_barrier): New function.
+
+ * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
+
+ * recog.c (nonmemory_operand): Accept ADDRESSOF.
+
+ * tree.c (build_type_attribute_variant): Push to obstack of
+ ttype around type_hash_canon call.
+
+ * expr.c (placeholder_list): Move decl to file scope.
+ (expand_expr): Don't force access to volatile just because its
+ address is taken.
+ If ignoring reference operations, just expand the operands.
+ (expand_expr, case COMPONENT_REF): Propagate
+ EXPAND_CONST_ADDRESS to recursive call when expanding inner.
+ Refine test for using bitfield operations vs pointer punning.
+ (expand_expr, case CONVERT_EXPR): If converting to
+ BLKmode UNION_TYPE from BLKmode, just return inner object.
+ Use proper mode in store_field call.
+ Properly set sizes of object to store and total size in store_field
+ call for convert to union.
+ (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
+ memory (like for ADDR_EXPR). Also, don't put constant in register if
+ we'll want it in memory.
+ (readonly_fields_p): New function.
+ (expand_expr, case INDIRECT_REF): Call it if LHS.
+ (expand_assignment): Handle a RESULT_DECL where
+ DECL_RTL is a PARALLEL.
+ (do_jump, case WITH_RECORD_EXPR): New case.
+ (get_inner_reference): Always go inside a CONVERT_EXPR
+ and NOP_EXPR if both modes are the same.
+ (store_field): Use bitfield operations if size of bitsize is not same
+ as size of RHS's type.
+ Check for bitpos not a multiple of alignment in BLKmode case.
+ Do block move in largest possible alignment.
+ (store_constructor): Set BITSIZE to -1 for variable size and properly
+ in case of array of BLKmode.
+ (expand_expr_unaligned): New function.
+ (do_compare_and_jump): Call it.
+
+ * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
+ * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
+ does not include 'o'.
+
+ * function.c (instantiate_virtual_regs_1, case SET): Handle case where
+ both SET_DEST and SET_SRC reference a virtual register.
+ (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
+
+ * integrate.c (expand_inline_function): Handle case of setting
+ virtual stack vars register (from built in setjmp); when parameter
+ lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
+ (subst_constant): Add new parm, MEMONLY.
+ (expand_inline_function, integrate_parm_decls): Pass new parm.
+ (integrate_decl_tree): Likewise.
+ (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
+ (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
+ (copy_rtx_and_substitute, case SET): Add explicit calls to
+ copy_rtx_and_substitute for both sides.
+
+ * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
+ constraints.
+ (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
+ within INDEX_TYPE, instead of before.
+ (fixup_gotos): Use f->target_rtl, not the next insn,
+ since latter may be from a later fixup.
+ (expand_value_return): Correctly convert VAL when promoting function
+ return; support RETURN_REG being a PARALLEL.
+ (expand_return): When checking for result in regs and having
+ cleanup, consider PARALLEL in DECL_RTL as being in regs.
+
+1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * cpplib.h (struct cpp_buffer: fname, nominal_fname,
+ last_nominal_fname): Mark const.
+ (struct include_hash: name, nshort, control_macro): Mark
+ const.
+ (struct macrodef: symnam): Mark const.
+ (struct if_stack: fname): Mark const.
+ (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
+ (IStable): New character-syntax array which encompasses all
+ the old is_foo arrays.
+ (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
+ is_space): New macros for interrogating IStable.
+ (check_macro_name): Kill last argument. All callers changed.
+
+ * cppinit.c (initialize_char_syntax): Delete.
+ (is_idchar, is_idstart, is_hor_space, is_space,
+ trigraph_table): Delete.
+ (IStable): New. Initialize with clever macros to avoid
+ information duplication.
+ (builtin_array): Table of builtins to get rid of explicit list
+ in initialize_builtins.
+ (initialize_builtins): Use builtins_array.
+ (cpp_start_read): Call init_IStable, and set IStable['$'] if
+ opts->dollars_in_ident.
+
+ * cppexp.c: Change all refs to is_xyz[] arrays to use new
+ is_xyz() macros.
+ (cpp_parse_expr): Avoid 'format string is not constant'
+ warning. Use ISGRAPH to identify printable chars.
+ * cppfiles.c: Change all refs to is_xyz[] arrays to use new
+ is_xyz() macros.
+ (read_and_prescan): Map trigraphs to chars with open-coded
+ if-else-if-... sequence, not a lookup table.
+ * cpphash.c: Change all refs to is_xyz[] arrays to use new
+ is_xyz() macros.
+ * cpplib.c: Change all refs to is_xyz[] arrays to use new
+ is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
+ (check_macro_name): Remove ability to report an invalid
+ assertion name, which is never used.
+ (do_line): Constify a couple of char *'s.
+ * cppmain.c (main): Call cpp_cleanup before returning.
+
+Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc.h (struct ggc_statistics): New type.
+ (ggc_get_size): New function.
+ (ggc_print_statistics): Likewise.
+ * ggc-common.c (ggc_stats): New variable.
+ (ggc_mark_rtx_children): Keep statistics.
+ (ggc_mark_tree_children): Likewise.
+ (ggc_print_statistics): New function.
+ * ggc-page.c (struct globals): Add bytes_mapped field.
+ (alloc_anon): Update it.
+ (release_pages): Likewise.
+ (ggc_get_size): New function.
+ (ggc_page_print_statistics): New function.
+ * ggc-simple.c (ggc_get_size): New function.
+
+Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * flow.c (propagate_block): When the last reference to a label
+ before an ADDR_VEC is deleted because the reference is a dead
+ store, delete the ADDR_VEC.
+
+Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * resource.c (find_free_register): Don't use the frame pointer
+ if frame_pointer_needed.
+
+Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
+ (function_arg_pass_by_reference): Check for a NULL pointer in cum.
+
+ * config/i960/i960.c (i960_va_start): New locals base, num.
+ Use INDIRECT_REF instead of ARRAY_REF on valist.
+ (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
+
+Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
+
+Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
+
+ * tree.def (PLACEHOLDER_EXPR): Update comments.
+
+Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (check_format_info): Avoid non-literal format string
+ warnings when `first_arg_num' is zero.
+
+Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
+
+Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (casesi_insn): Add a clobber of the condition code
+ register.
+
+Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
+
+ * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
+ used by both cc1 and cc1plus.
+
+Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Initialize arm_structure_size_boundary to
+ DEFAULT_STRUCTURE_SIZE_BOUNDARY.
+ * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
+ to the value 32 if it has not already been defined.
+ * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
+ Override definition in arm.h with a value of 8.
+
+Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
+
+ * c-pragma.c (push_alignment): Don't check the return value
+ of xmalloc.
+
+Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
+
+ * sparc.h (ADJUST_COST): Fix thinko.
+
+Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
+
+ * cccp.c (rescan): Fixed obp pointer handling around call to
+ check_expand subroutine.
+
+Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (delete_null_pointer_checks): Only record non-null info
+ for pseudos when examining stores.
+
+ * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
+ splitters for these patterns. Use "#" for output templates.
+ (addsi3_carryin_shift): New pattern.
+
+Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
+ of the function return register into a plain REG until
+ after function inlining is done.
+
+Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): If we did cross-jumping, and
+ the data will matter, rebuild the CFG.
+ * reg-stack.c (reg_to_stack): Only (re)build the CFG if
+ not optimizing. Don't run shorten_branches.
+ * toplev.c (rest_of_compilation): Run shorten_branches after
+ reg_to_stack.
+
+Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * rtl.h (note_stores): Add additional parameter.
+ * rtlanal.c (reg_set_p_1): Take additional parameter.
+ (reg_set_last_1): Likewise.
+ (reg_set_p): Adjust call to note_stores.
+ (reg_set_last): Likewise.
+ (note_stores): Pass data parameter to worker function.
+ * alias.c (record_set): Take additional parameter.
+ (init_alias_analysis): Pass it.
+ * caller-save.c (mark_set_regs): Take additional parameter.
+ (save_call_clobbered_regs): Pass NULL to note_stores.
+ * combine.c (set_nonzero_bits_and_sign_copies): Take additional
+ parameter.
+ (record_dead_and_set_regs_1): Likewise.
+ (reg_dead_at_p_1): Likewise.
+ (combine_instructions): Adjust calls to note_stores.
+ (try_combine): Likewise.
+ (record_dead_insn): Remove.
+ (record_dead_and_set_regs): Adjust calls to note_stores.
+ (reg_dead_at_p): Likewise.
+ * cse.c (invalidate_skipped_set): Take additional parameter.
+ (cse_check_loop_start): Likewise.
+ (cse_check_loop_start_value): Remove.
+ (cse_set_around_loop): Adjust calls to note_stores.
+ * flow.c (notice_stack_pointer_modification): Take additional
+ parameter. Remove duplicate declaration.
+ (record_volatile_insns): Adjust calls to note_stores.
+ * gcse.c (record_set_info): Take additional parameter.
+ (record_last_set_info): Likewise.
+ (invalidate_nonnull_info): Likewise.
+ (record_set_insn): Remove.
+ (compute_sets): Adjust calls to note_stores.
+ (last_set_insn): Remove.
+ (compute_hash_table): Adjust calls to note_stores.
+ (insert_insn_end_bb): Likewise.
+ (delete_null_pointer_checks): Likewise.
+ * global.c (mark_reg_store): Take additional parameter.
+ (mark_reg_clobber): Likewise.
+ (reg_becomes_live): Likewise.
+ (global_conflicts): Adjust calls to note_stores.
+ (build_insn_chain): Likewise.
+ * integrate.c (note_modified_parmregs): Take additional parameter.
+ (mark_stores): Likewise. Make it static.
+ (save_for_inline_nocopy): Adjust calls to note_stores.
+ (try_constants): Likewise.
+ * integrate.h (mark_stores): Remove declaration.
+ * jump.c (mark_modified_reg): Take additional parameter.
+ (thread_jumps): Adjust calls to note_stores.
+ * local-alloc.c (validate_equiv_mem_from_store): Take additional
+ parameter.
+ (no_equiv): Likewise.
+ (reg_is_set): Likewise.
+ (validate_equiv_mem): Adjust calls to note_stores.
+ (update_equiv_regs): Likewise.
+ (block_alloc): Likewise.
+ * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
+ (note_addr_stored): Take additional parameter.
+ (note_set_pseudo_multiple_uses): Likewise.
+ (record_initial): Likewise.
+ (prescan_loop): Adjust calls to note_stores.
+ (strength_reduce): Likewise.
+ (check_dbra_loop): Likewise.
+ * regmove.c (flags_set_1): Take additional parameter.
+ (mark_flags_life_zones): Adjust calls to note_stores.
+ * reload1.c (mark_not_eliminable): Take additional parameter.
+ (forget_old_reloads_1): Likewise.
+ (reload_cse_invalidate_rtx): Likewise.
+ (reload_cse_check_clobber): Likewise.
+ (reload_combine_note_store): Likewise.
+ (move2add_note_store): Likewise.
+ (reload): Adjust calls to note_stores.
+ (reload_as_needed): Likewise.
+ (emit_reload_insns): Likewise.
+ (reload_cse_regs_1): Likewise.
+ (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
+ (reload_combine): Adjust calls to note_stores.
+ * resource.c (update_live_status): Take additional parameter.
+ (mark_target_live_regs): Adjust calls to note_stores.
+ * stupid.c (find_clobbered_regs): Take additional parameter.
+ (stupid_life_analysis): Adjust calls to note_stores.
+
+Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
+ definition.
+
+ * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
+ definition.
+
+ * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
+ of the variable arm_structure_size_boundary.
+
+Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * alias.c (init_alias_analysis): Allocate reg_known_value and
+ reg_known_equiv_p on the heap. Likewise for new_reg_base_value
+ and reg_seen.
+ (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
+ * cse.c (cse_main): Call end_alias_analysis.
+ * haifa-sched.c (schedule_insns): Likewise.
+ * local-alloc. (update_equiv_regs): Likewise.
+ * reload1.c (reload_cse_regs): Likewise.
+
+Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
+ * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
+ mapping from MASK_FPU.
+
+Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
+
+ * sparc.md (call): Don't bound structure return size to 0xfff.
+
+Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
+
+ * resource.c (mark_target_live_regs): Check that the target
+ insn wasn't created after compute_bb_for_insn.
+
+Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc-page.c (poison_pages): Don't be overzealous.
+
+Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
+
+ * alias.c: Update comments for ADDRESS.
+ (nonlocal_reference_p): Look inside the ADDRESS to determine if
+ it is a local memory reference.
+
+ * c-typeck.c (build_function_call): Check that the built-in
+ function is of class BUILT_IN_NORMAL before trying to recongize
+ it as BUILT_IN_ABS.
+ * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
+ * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
+
+Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
+
+ * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
+ of alloca.
+ (pre_gcse): Likewise.
+ (hoist_expr_reaches_here_p): Likewise.
+ (hoist_code): Likewise.
+ (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
+ code to ...
+ (pre_expr_reaches_here_p_work): ... here.
+ (expr_reaches_here_p): Replace alloca with xcalloc. Move core
+ code to ...
+ (expr_reaches_here_p_work): ... here.
+
+Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
+
+ * resource.c (find_basic_block): Delete.
+ (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
+ (init_resource_info): Call compute_bb_for_insn.
+
+Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (merge_blocks_move_predecessor_nojumps): Cope
+ with already adjacent blocks, but no fallthru.
+ (merge_blocks_move_successor_nojumps): Simplify.
+ (debug_flow_info): New.
+
+ * toplev.c (rest_of_compilation): Open jump1 dump file before
+ jump and close after, as opposed to just using dump_rtl.
+
+Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload.h (earlyclobber_operand_p): Declare.
+ * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
+ * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
+ an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
+ case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
+
+Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (emit_block_insn_before): New.
+ (emit_block_insn_after): New.
+ * basic-block.h: Declare them.
+
+ * bitmap.h: Protect from multiple inclusion.
+
+ * recog.c (scratch_operand): Handle VOIDmode correctly.
+
+ * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
+
+ * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
+ * function.c (assign_parms): Likewise.
+ * global.c (global_conflicts): Clarify STACK_REGS commentary.
+
+ * reg-stack.c (max_uid): Remove.
+ (blocks, block_begin, block_end, block_drops_in): Remove.
+ (block_stack_in, block_out_reg_set, block_number): Remove.
+ (struct block_info_def, BLOCK_INFO): New.
+ (enum emit_where): New.
+ (current_block): New.
+ (BLOCK_NUM): Remove.
+ (mark_regs_pat, record_label_references): Remove.
+ (record_reg_life_pat, record_reg_life, find_blocks): Remove.
+ (nan): New.
+ (goto_block_pat, print_blocks, dump_stack_info): Remove.
+ (reg_to_stack): Simplified test for existence of fp code. Use
+ flow.c code. Call shorten_branches after cross-jump opt.
+ (check_asm_stack_operands): Renamed from record_asm_reg_life.
+ Return false if the asm doesn't use stack regs. Don't do life
+ analysis on the asm.
+ (emit_pop_insn): Replace function pointer arg `when' with
+ enum `where'. Update all callers.
+ (change_stack): Likewise. Update basic block end.
+ (emit_swap_insn): Use current_block->head to limit reverse search
+ for start of block. Use emit_block_insn_after.
+ (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
+ (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
+ structure assignment instead of bcopy.
+ (print_stack): New.
+ (convert_regs_entry, convert_regs_exit): New.
+ (convert_regs_1, convert_regs_2): Split out from convert_regs.
+ Work on basic blocks and the CFG.
+ (convert_regs): Use them.
+
+ * i386.c (output_fix_trunc): Remove code for DImode input operand
+ not at top-of-stack.
+ * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
+ appropriate mode.
+ (fix_truncdi_1): Allow any mode scratch.
+
+Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
+ * linux.h, netbsd.h, vms.h: Not here.
+
+1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
+ ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
+ (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
+ CONDITIONAL_REGISTER_USEAGE): Use them.
+ * config/mips/mips.c (mips_move_1word,mips_move_2words,
+ gen_conditional_branch,override_options) : Use them.
+ * config/mips/mips.md : Use them.
+
+Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (zero_extendqihi2): Use SImode register name with andl.
+
+Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
+
+ * integrate.c (function_cannot_inline_p): Don't allow inlining
+ if setjmp is used.
+
+Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (cast_expr): Constify.
+
+ * cccp.c (special_symbol): Likewise.
+
+ * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
+
+ * dwarf2out.c (base_type_die): Likewise.
+
+ * global.c (allocno_compare): Likewise.
+
+ * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
+
+ * regclass.c (fix_register): Likewise.
+
+ * rtl.h (fix_register): Likewise.
+
+ * stupid.c (stupid_reg_compare): Likewise.
+
+ * toplev.c (decode_f_option): Likewise.
+
+ * tree.c (build_complex_type): Likewise.
+
+Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
+
+Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload.c (find_reloads): Compute mode and nregs fields of all
+ reloads.
+ * reload1.c (calculate_needs_all_insns): Simplify a bit.
+ (calculate_needs): Use precomputed mode/nregs values.
+ (allocate_reload_reg): Likewise.
+ Break out two...
+ (failed_reload, set_reload_reg): ... new functions.
+ (choose_reload_regs_init): New function, mostly broken out from...
+ (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
+ Also lose one #if 0 block.
+
+Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
+ substitution.
+
+Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (BLOCK_TYPE_TAGS): Remove.
+ (BLOCK_END_NOTE): Likewise.
+ (BLOCK_LIVE_RANGE_FLAG): Likewise.
+ (BLOCK_LIVE_RANGE_START): Likewise.
+ (BLOCK_LIVE_RANGE_END): Likewise.
+ (tree_block): Remove live_range_flag, live_range_var_flag, and
+ type_tags. Remove end_note, live_range_start, and live_range_end.
+ (remember_end_note): Remove prototype.
+ * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
+ * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
+ remember_end_note.
+ * ggc-common.c (ggc_mark_tree_children): Don't mark
+ BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
+ * integrate.c (adjust_copied_decl_tree): Remove.
+ * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
+ * stmt.c (last_block_end_note): Remove.
+ (init_stmt): Don't add a GC root for it.
+ (expand_fixup): Don't set it.
+ (remember_end_note): Remove.
+ (expand_end_bindings): Don't set last_block_end_note.
+
+Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (reload_reg_free_for_value_p): Show
+ RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
+ reloads.
+
+Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
+
+ * expmed.c (extract_bit_field): Allow for the case of non-integer
+ objects that are smaller than a word (like SFmode on a 64-bit
+ machine).
+
+ * loop.c (basic_induction_var): A non-integer variable which is
+ being set by a paradoxical subreg is probably not a biv.
+
+1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * prefix.c (translate_name) Check for empty prefix string.
+
+Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
+
+ * Makefile.in (CPP_CROSS_NAME): New variable.
+ (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
+ xcpp.
+ (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
+ names of the files to be uninstalled.
+
+Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
+
+ * collect2.c (IS_DIR_SEPARATOR): Define.
+ (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
+
+ * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
+ functions too.
+
+ * haifa-sched.c (add_dependence): Update the true dependency
+ cache the first time we add a true dependence to the LOG_LINKS chain.
+
+Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
+
+ * fold-const.c (fold): Fix comment.
+
+Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dbxout.c (lastfile, cwd, dbxout_type_method_1,
+ dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
+ dbxout_start_new_source_file, dbxout_source_file,
+ dbxout_source_line, dbxout_finish, dbxout_type_fields,
+ dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
+ Constify a char*.
+ (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
+ (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
+ (dbxout_block): Initialize variable `blocknum'.
+
+ * dbxout.h (dbxout_init, dbxout_finish,
+ dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
+ dbxout_args, dbxout_source_line): Constify a char*.
+
+ * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
+ dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
+ dwarf_fund_type_name, name_attribute, stmt_list_attribute,
+ low_pc_attribute, high_pc_attribute, body_begin_attribute,
+ body_end_attribute, comp_dir_attribute, sf_names_attribute,
+ src_info_attribute, mac_info_attribute, producer_attribute,
+ lookup_filename, generate_macinfo_entry, fundamental_type_code,
+ dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
+ dwarfout_undef): Constify a char*.
+ (add_incomplete_type, retry_incomplete_types): Add prototypes.
+
+ * dwarfout.h (dwarfout_define, dwarfout_undef,
+ dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
+
+1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
+ (MULTILIB_ISA_DEFAULT): New.
+ (MULTILIB_DEFAULTS): Use it.
+ * config/mips/mips.c (): Remove the now unnecessary definition
+ of MIPS_ISA_DEFAULT.
+ * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
+ unnecessary definition.
+
+Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.md (pic_load_addr): Add constraints to operand 1.
+
+1999-10-25 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/genfixes: Provide a means for specifying -D options to
+ AutoGen
+
+Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * arm.c (arm_override_options): Correct initialization of
+ arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
+ arm_is_strong, and arm_is_6_or_7.
+
+ * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
+ (note_set_pseudo_multiple_uses): New function.
+ (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
+ if a pseudo set in the loop exit is used elsewhere.
+
+Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
+
+Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
+ a single load-address pattern.
+
+Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
+ depending on whether or not line-number notes are present.
+
+Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c (progname, file_buf, default_include, include_file,
+ macrodef, definition, hashval, wchar_type, user_label_prefix,
+ directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
+ expand_to_temp_buffer, is_system_include, base_name,
+ absolute_filename, read_name_map, open_include_file,
+ record_control_macro, check_precompiled, check_preconditions,
+ pcfinclude, pass_thru_directive, create_definition,
+ check_macro_name, comp_def_part, collect_expansion,
+ check_assertion, read_token_list, assertion_install,
+ assertion_lookup, eval_if_expression, conditional_skip,
+ validate_else, skip_quoted_string, quote_string, macarg1,
+ error_from_errno, install, lookup, hashf, dump_defn_1,
+ perror_with_name, pfatal_with_name, main, trigraph_pcp,
+ check_white_space, rescan, handle_directive, monthnames,
+ special_symbol, do_include, remap_include_file, write_output,
+ arglist, do_assert, do_unassert, do_line, do_error, do_once,
+ do_ident, do_sccs, do_xifdef, skip_if_group,
+ output_line_directive, macroexpand, macarg, change_newlines,
+ initialize_builtins, make_definition): Constify a char*.
+
+ * pcp.h (stringdef): Likewise.
+
+Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
+
+ * unroll.c (copy_loop_body): Examine SET_DEST of single_set
+ not of pattern.
+
+Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
+ Richard Henderson <rth@cygnus.com>
+
+ * alias.c: Include ggc.h.
+ (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
+ (record_set): Verify enough room in reg_base_value.
+ (init_alias_analysis): Allocate reg_base_value with xcalloc.
+ Register it as a GC root.
+ (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
+ * Makefile.in (alias.o): Depend on ggc.h.
+
+ * unroll.c (unroll_loop): Verify the insn before a barrier
+ is a JUMP_INSN before checking JUMP_LABEL.
+
+Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
+ * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
+
+Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (ctors_section, dtors_section, bss_section): Prototype.
+
+ * alpha/alpha-interix.h (text_section): Delete prototype.
+ * alpha/elf.h (text_section): Likewise.
+ * arm/linux-elf.h (text_section): Likewise.
+ * arm/linux-telf.h (text_section): Likewise.
+ * c4x/c4x.h (text_section): Likewise.
+ * dsp16xx/dsp16xx.h (bss_section): Likewise.
+ * elfos.h (text_section): Likewise.
+ * i386/aix386ng.h (text_section): Likewise.
+ * i386/i386-interix.h (text_section): Likewise.
+ * i386/sco5.h (text_section): Likewise.
+ * i386/svr3gas.h (text_section): Likewise.
+ * nextstep.h (text_section): Likewise.
+ * psos.h (text_section): Likewise.
+ * ptx4.h (text_section): Likewise.
+ * svr3.h (text_section): Likewise.
+ * svr4.h (text_section, ctors_section, dtors_section): Likewise.
+
+Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * final.c (peephole): Delete prototype.
+
+ * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
+ (pre_insert_copies): Remove unused variable `bb'.
+
+ * genrecog.c (debug_decision_0, debug_decision_list, main): Add
+ prototypes.
+
+ * output.h (peephole): Add prototype.
+
+Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
+ -O0.
+
+Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
+ for inlined declarations.
+
+Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
+
+ * arm.c (logical_binary_operator): New fucntion.
+ * arm.h (logical_binary_operator): Declare it.
+ (PREDICATE_CODES): Handle logical_binary_operator.
+ * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
+ output constraints. Add appropriate splitters.
+ (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
+ (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
+ (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
+
+Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * genoutput.c (struct operand_data): New elt eliminable.
+ (output_operand_data): Write it.
+ (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
+ (compare_operands): Take it into account.
+ * recog.h (struct insn_operand_data): New elt eliminable.
+ * reload1.c (check_eliminable_occurrences, elimination_effects): New
+ functions.
+ (old_asm_operands_vec, new_asm_operands_vec): Delete.
+ (eliminate_regs): Move code that detects changes to elimination
+ target regs into new function elimination_effects.
+ Delete one #if 0 block.
+ Abort for USE, CLOBBER, ASM_OPERANDS and SET.
+ (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
+ ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
+ Only call eliminate_regs for real operands of the insn, not for parts
+ of its structure or parts matched by things like match_operator.
+ Use elimination_effects and check_eliminable_occurrences. Use
+ copy_insn to duplicate the pattern when not in the final pass.
+
+Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
+ and fld.
+
+1999-10-22 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/README: document the "mach" machine matching test
+ * fixinc/fixfixes.c: Implement the #else/#endif label fix
+ * fixinc/fixtests.c: Implement the #else/#endif label test
+ * fixinc/inclhack.def: utilize these tests and fixes
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+ * fixinc/fixincl.sh: regen
+
+Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
+ depend on ggc.h.
+
+Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
+
+ * gcc.1: Document exit codes.
+
+Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c: Include tm_p.h later, so everything we need is defined.
+ * expr.c: Likewise.
+ * function.c: Likewise.
+
+ * except.c: Include tm_p.h.
+
+ * sparc.c: Likewise.
+ (dwarf2out_cfi_label): Don't prototype.
+ (check_return_regs, epilogue_renumber,
+ ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
+ ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
+ ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
+ ultra_schedule_insn): Add static prototype.
+ (data_segment_operand, text_segment_operand): Call itself with the
+ proper number of arguments.
+ (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
+
+ * sparc.h: Move all declarations to sparc-protos.h.
+ (SELECT_RTX_SECTION): Pass a missing MODE argument to
+ symbolic_operand.
+
+ * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
+
+ * config/svr4.h (text_section, ctors_section, dtors_section): Add
+ Prototypes.
+ (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
+ ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
+ ASM_OUTPUT_ASCII): Constify a char*.
+
+ * sparc-protos.h: New file for sparc prototypes.
+
+Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * function.c (record_insns, contains): Always declare and define.
+ (record_insns): Mark with ATTRIBUTE_UNUSED.
+
+Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
+ to .section when outputting a .bss section to deal with multiple
+ .bss input sections (as happens with -fdata-sections)
+ Also output %progbits, not @progbits so the assembler doesn't treat as
+ a comment.
+ * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
+
+ * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
+ thumb parts even when building with non-thumb CPUs, by forcing
+ thumb mode.
+
+Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
+
+ * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
+ (movdf_const_intreg_sp64): Similarly.
+
+ * local-alloc.c (update_equiv_regs): Check the correct insn
+ for pre-existing REG_EQUIV notes.
+
+Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * cse.c (cse_end_of_basic_block): Don't return the end of a basic
+ block reached by a branch if we're not going to actually process
+ this block.
+
+Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
+
+ * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
+ a local extern function declaration.
+
+Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (ix86_expand_prologue): Properly wrap USE around
+ reg for CALL_INSN_FUNCTION_USAGE.
+
+Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.md (movdf_internal1a): Allow floating-point
+ move between GP_REGs.
+
+Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
+ the mode size when finding out if an offset is legal.
+
+Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (PROP_*): Move constants from ...
+ * flow.c: ... here.
+ (compute_bb_for_insn): Free the array before reallocating.
+ (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
+ (allocate_reg_life_data): Reset all reg variables collected by
+ propagate_block.
+ (get_block_head_tail): Don't convert from bb to block.
+ (get_bb_head_tail): New. Update all callers of get_block_head_tail.
+ (find_insn_reg_weight): Take block not bb.
+ (schedule_block): Don't set block num for moved insns.
+ (schedule_region): Don't update_life_info or find_insn_reg_weight.
+ (schedule_insns): Do it here instead.
+ * combine.c (combine_instructions): Invoke compute_bb_for_insn
+ before update_life_info.
+ * recog.c (split_all_insns, peephole2_optimize): Update for
+ new arg to update_life_info.
+ * rtlanal.c (remove_note): Cope with NULL note.
+ * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
+ if we did sched1.
+
+Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * jump.c (jump_optimize_1): More accurately detect casesi insns.
+
+ * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
+ block records so that merge_blocks_nomove will clean up correctly.
+ (split_edge): Handle casesi insns.
+
+ * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
+
+Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (call, call_value): Do not emit a blockage after restoring
+ the PIC register.
+
+Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * c-typeck.c (c_expand_asm_operands): Fix typo.
+
+Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * arm.c (fpu_rhs_operand): Verify modes.
+ (fpu_add_operand): Likewise.
+ (di_operand): Likewise.
+ (soft_df_operand): Likewise.
+
+Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.c (arm_return_in_memory): APCS rules state that the elements
+ of a structure returned in a register must be 'integer-like'.
+
+1999-10-19 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/Makefile.in: Change the generation rules to run `genfixes'
+ in the source tree when the generated targets are out of date
+ * fixinc/genfixes: Alter it to run individual fixes for make.
+ * fixinc/README: rewrite
+ * fixinc/inclhack.def: moved initial comments to README
+
+Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
+
+ * toplev.c (main): Do not generate an error message if an
+ unrecognized command line switch is recognizable by another
+ language. If extra_warnings are enabled, then generate a
+ warning message instead.
+
+Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
+ (insert_pack_attributes): Delete prototype.
+
+ * c-pragma.c (default_alignment): New static variable.
+ (push_alignment): Initialize to current effective alignment.
+ (pop_alignment): Use to set new alignment.
+ (insert_pack_attributes): Delete function.
+ (handle_pragma_token): Set default_alignment as well each time
+ a #pragma pack(<n>) is encountered.
+
+Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
+
+ * reg-stack.c (stack_result): Aggregates are not returned in
+ stack registers.
+
+Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
+
+ * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
+
+Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (set_block_num): Declare.
+ * flow.c (update_life_info): Don't call compute_bb_for_insn
+ or free_basic_block_vars.
+ * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
+ (insn_orig_block): Remove.
+ (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
+ (schedule_block): Keep BLOCK_NUM up-to-date.
+ (schedule_insns): Use compute_bb_for_insn.
+ * recog.c (split_all_insns): Likewise.
+ (peephole2_optimize): Likewise.
+
+Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
+ if the pic register is used.
+
+Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
+ (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
+ if that tests TREE_PERMANENT.
+
+Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (invalidate_for_call): Do not remove memory references from
+ the table here. It's handled elsewhere.
+
+ * haifa-sched.c (add_dependence): Protect references to the
+ true dependency cache with #ifdef INSN_SCHEDULING.
+ (remove_dependence): Similarly.
+
+ * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
+ to the cfg code that this is a return instruction.
+ * mn10300.md (return_internal): Similarly.
+
+ * combine.c (get_last_value): If the last set of a register
+ is after subst_low_cuid, then we can not use it to determine
+ the register's last value.
+
+Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in: Back out previous change.
+
+Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
+
+ * haifa-sched.c (add_dependence): Only check/update the cache
+ if it exists.
+ (remove_dependence): Likewise.
+ (schedule_insns): Only create the true_dependency_cache if the
+ average number of instructions in a basic block is very large.
+
+Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (ggc-common.o): Depend on genrtl.h.
+ (ggc-simple.o): Likewise.
+ (ggc-page.o): Likewise.
+
+Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
+ Prototype for exported functions.
+ (pre_lcm, pre_rev_lcm): Remove prototypes.
+ * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
+ (compute_available): Move to lcm.c, and change parameter order.
+ (one_classic_gcse_pass): Call compute_ae_kill with parameters.
+ (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
+ (gcse_main): No longer call compute_preds_succs. Rebuild the
+ set table after reach pre pass.
+ (pre_insert_map, pre_delete_map, edge_list): New.
+ (alloc_pre_mem): Allocate edge vectors.
+ (free_pre_mem): Delete edge vectors.
+ (compute_pre_data): Call new edge based lcm routines.
+ (process_insert_insn): New function.
+ (insert_insn_end_bb): Use it.
+ (pre_edge_insert): New function.
+ (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
+ needed.
+ (pre_insert_copies): Revamp using new edge based lcm outputs.
+ (pre_delete): Likewise.
+ (one_pre_gcse_pass): Insert & remove fake edges to the exit
+ block.
+ (compute_code_hoist_vbeinout): New new edge based routines.
+ * lcm.c: Remove all the old LCM functions. Replace with new ones
+ that work with the new cfg datastructures and work with edges
+ instead of blocks.
+
+Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload.h (struct reload): Add new fields "mode" and "nregs".
+ * reload1.c: Change all occurrences of reload_mode and reload_nregs
+ to reference the "mode" and "nregs" field within struct reload.
+
+Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (true_dependency_cache): New.
+ (add_dependence): Use the true dependency cache to avoid expensive
+ walks down the LOG_LINKS dependency list. Add entries to the
+ cache as necessary.
+ (remove_dependence): Remove entries from the true dependency cache
+ as needed.
+ (schedule_insns): Allocate and initialize and free the true
+ dependency cache.
+
+ * haifa-sched.c (schedule_insns): Do not remove inter-block
+ dependencies anymore.
+
+Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
+ * i386/t-winnt: Likewise.
+
+Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
+
+1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
+
+ * Makefile.in (LANGUAGES): Omit "proto".
+ (clean): Remove stale comment about removing unprotoize.c.
+
+Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * protoize.c (safe_read, safe_write): Avoid the gcc extension of
+ using arithmetic on void pointers.
+
+Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (compute_block_forward_dependencies): Only check
+ for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
+
+Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
+
+ * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
+ (expr_equiv_p): Reject memories with different alias sets.
+
+Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
+
+ * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
+ * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
+ (f_options): Add "bounded-pointers" and "bounds-check" entries.
+ * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
+ (lang_init): Set default for flag_bounds_check if still "unspecified".
+
+Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (HF mode patterns): Add missing modes.
+
+Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (movstrqi_small): Utilize parallel move
+ instructions.
+
+Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*db_noclobber,
+ *decrement_and_branch_until_zero_noclobber): New patterns and
+ associated splitters.
+
+Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (parallel instruction patterns): Rework
+ constraints to keep reload happy.
+
+Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
+ *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
+ *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
+ Add new patterns and associated post-reload splitters.
+
+Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
+
+Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
+ if appropriate.
+ * config/c4x/c4x.md (rpts_top): New pattern and splitter.
+
+Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
+ memory mode.
+
+Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (move_operand): Rely on memory_address_p to determine the
+ validity of non-indexed memory addresses.
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
+ operand in DFmode and SFmode when generating PA2.0 code.
+
+Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
+
+ * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
+
+Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
+
+ * mips.c (function_prologue): Fix argument types.
+ * mips.md (casesi): Use emit_jump_insn for casesi_internal.
+ (casesi_internal): Write to the scratch register.
+
+1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * cppexp.c (cpp_parse_escape): Make static. Change second arg
+ to U_CHAR **.
+ (parse_charconst): Delete unnecessary cast when calling
+ cpp_parse_escape.
+ (cpplib.h): Kill prototype of cpp_parse_escape.
+
+Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
+
+ Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
+ * unroll.c (unroll_loop): Cast return value of alloca.
+ * i370/i370.c: Include function.h and toplev.h.
+ (i370_label_scan): Remove c++ commented abort.
+ * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
+ (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
+ * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
+ * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
+
+Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
+
+ * config/t-freebsd: Do not override USER_H.
+ * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
+
+Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
+ Mumit Khan <khan@xraylith.wisc.edu>
+
+ * c-parse.in (component_decl): Support anonymous struct/union.
+ (%expect): Update.
+ * c-parse.y: Regenerate.
+ * c-parse.c: Likewise.
+ * objc/objc-parse.y: Likewise.
+ * objc/objc-parse.c: Likewise.
+ * c-decl.c (finish_struct): Don't sort the fields.
+ (field_decl_cmp): Delete unused function.
+
+Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.md (movsf_const_intreg): Revert last constraint change.
+ (movdf_const_intreg_sp32): Likewise.
+
+Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
+
+ * cse.c: Include hashtab.h instead of splay-tree.h
+ (struct cse_reg_info): No longer use variant union. Add new
+ field "regno". All references changed to avoid union.
+ (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
+ (free_cse_reg_info): Remove.
+ (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
+ (get_cse_reg_info): Revamp to use expandable hash tables instead
+ of splay trees. Initialize new fields in cse_reg_info structure.
+ (new_basic_block): Similarly.
+
+Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (message_with_line): Prototype.
+ (validate_pattern): Pass along the set for the dest, not a flag.
+ Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
+ Check for PC/CC0 as sources.
+ (nodes_identical): Check for children position match before
+ allowing the combination.
+
+ * rtl.c (read_rtx): Track line number across \\\n.
+
+Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
+
+ * mips.h (SPECIAL_MODE_PREDICATES): New.
+ * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
+ (movdi+1, movsi+1): Add output reload constraint.
+ (casesi_internal): Likewise. Fix commentary.
+ (return_internal): Use pmode_register_operand.
+
+Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * 1750a.md (movstrqi): Add missing output reload constraint.
+ (call_value): Likewise.
+ * a29k.md (cpxxx patterns): Add missing match_operator mode.
+ (jmpfdec): Add missing inout reload constraint.
+ * elxsi.md (addsi patterns): Add missing output reload constraint.
+ (move from sp): Use @ alternates.
+ (call_value): No constraint on output.
+ * fr30.md (movsi_pop): Add missing output reload constraint.
+ (movsf_constant_store): Likewise.
+ (splits): Remove constraints.
+ (subsi3): Add missing mode.
+ * i370.md (cmpstrsi+1): Add missing output reload constraint.
+ (call_value): Likewise.
+ * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
+ * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
+ * m32r.md (movsicc_internal): Add output reload constraint.
+ (movstrsi_internal): Add inout reload constraints.
+ * m88k.h (reg_names): Don't declare.
+ (SPECIAL_MODE_PREDICATES): New.
+ * m88k.md (*): Use register_operand not reg_or_0_operand
+ on destinations.
+ * mn10200.h (PREDICATE_CODES): New.
+ * ns32k.md (ffs pattern): Add output reload constraint.
+ * pdp11.md (sob pattern): Add inout reload constraint.
+ * sh.md (splits): Remove constraints.
+ (indirect_jump_scratch, fpu_switch): Add output reload constraint.
+ * v850.md (pattern_is_ok_for_epilogue): Likewise.
+ * vax.md (jgequ pattern): Add inout reload constraint.
+
+Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (djgpp): Revert previous patch.
+ * configure: Rebuit.
+ * config/i386/djgpp.h: Revert previous patch.
+
+Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
+
+ * fixinc/inclhack.def: Restore patch lost during last merge of
+ "no_bogosity" branch.
+ * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
+
+Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * fixincludes: Add a HPUX 11 fix for inttypes.h.
+ * fixinc/inclhack.def: Same.
+ * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
+
+Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
+ as the base of a PLUS.
+
+Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md: Define mode for remaining unspec operators.
+ * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
+
+Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
+
+ * pa.md (post_stw+1): Use pmode_register_operand.
+ (dcacheflush, icacheflush): Likewise.
+
+ * i386.md (movstricthi_1): Allow r/r.
+
+Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * fold-const.c (fold): Convert (or (not arg0) (not arg1))
+ to (not (and (arg0) (arg1))). Similary for and.
+
+ * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
+ fallthrough to associate code.
+ Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
+ bits in common.
+
+ * combine.c (simplify_logical): Convert XOR to IOR if operands have
+ no bits in common; remove XOR to ROTATE conversion.
+
+Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
+
+Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (dst_operand): New.
+ (PREDICATE_CODES): Update.
+ * config/c4x/c4x.h (dst_operand): Declare it.
+ * config/c4x/c4x.md: Define mode for each unspec usage.
+ (move patterns): Use dst_operand predicate instead of src_operand.
+ (movqi_update, movqf_update): Delete.
+
+Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (pmode_register_operand): New.
+ * recog.h: Declare it.
+ * genrecog.c (pred_codes): Likewise.
+ (special_mode_pred_table): Likewise.
+ (validate_pattern): Don't warn no mode for address_operand.
+
+ * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
+ if the operand is not insn-like.
+
+Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
+ Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
+
+ * fold-const.c (fold): Handle more simplifications allowed by IEEE.
+
+Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
+ instead of general_operand in a SET_DEST. Use const_double_operand
+ instead of an explicit test against CONST_DOUBLE.
+ (movsf_const_lo): Add missing register mode.
+ (goto_handler_and_restore): Add auxiliary test for Pmode.
+ (flush): Adjust to use address_operand.
+ (return_sf_no_fpu): Add missing output constraint.
+
+Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
+ for call return value.
+ (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
+
+Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (main): Only warn about options for other languages.
+ * collect2.c (main): Pass -w to sub-gcc.
+
+Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_block): Add call-clobbered registers to
+ significant too.
+
+ * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
+ zapping mem_set_list.
+ (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
+ (mark_set_1, mark_used_regs): Likewise.
+
+Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
+
+ * m68k.md (zero_extendsidi2): Add missing output reload constraint.
+
+Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
+ -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
+ options. Also add a new item "C-only Warning Options" to the
+ option summary.
+
+1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
+ from multiple calls.
+
+Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (call value patterns): Move to the end of the file.
+ (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
+
+1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * configure.in (djgpp configuration): Define extra_objects..
+ * configure: Rebuilt.
+ * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
+ (DTORS_SECTION_ASM_OP): Define.
+ (INIT_SECTION_ASM_OP): Define.
+ (FINI_SECTION_ASM_OP): Define.
+ (DATA_SECTION_ASM_OP): Define.
+ (TEXT_SECTION_ASM_OP): Define.
+ (EH_FRAME_SECTION_ASM_OP): Define.
+ (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
+ (STARTFILE_SPEC): Add crtbegin.o.
+ (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
+ to here from LINK_COMMAND_SPEC.
+ (DO_GLOBAL_CTORS_BODY): Define.
+ (CRTSTUFF_USE_FINI_SECTION): Define
+ (HAS_INIT_SECTION): Delete.
+
+Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
+
+ * Makefile.in (all.cross): Depend on xcpp$(exeext).
+
+Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * pa.h (PREDICATE_CODES): New.
+
+ * genrecog.c (validate_pattern): Condense the destination
+ non-lvalue message.
+
+Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (call-1): Supply missing mode for operator.
+ (*): Add missing output reload constraints. Remove constraints
+ from define_splits.
+
+ * i386.h (SPECIAL_MODE_PREDICATES): New.
+ * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
+ (movqi_1, movdi_1, movdi_2, some splits): Likewise.
+ (addsi_lea_3): Add missing mode for op 3.
+ (prologue_set_got, prologue_get_pc): Add missing modes.
+ (*) Add missing output reload constraints.
+
+Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
+
+ * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
+ check for member bit-size overflow and use var_size if it occurs.
+ (layout_record): Use bitsize_int() to define the type size in bits.
+ Likewise for computation and assignment to DECL_FIELD_BITPOS.
+ (layout_decl): Likewise when assigning to DECL_SIZE.
+
+Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (validate_pattern): Typo last change. Verify
+ that output operands have output reloads.
+
+Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (special_mode_pred_table): New.
+ (NUM_SPECIAL_MODE_PREDS): New.
+ (find_operand): New.
+ (validate_pattern): New argument `insn'. Warn for assignment to
+ any predicate accepting non-lvalues. Conditionally warn for
+ match_operand without a mode. Try much harder to match source
+ and destination modes on a set.
+ * tm.texi (SPECIAL_MODE_PREDICATES): Document.
+
+Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
+
+Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * combine.c (simplify_logical): Recognize xor pattern that encodes
+ rotation.
+
+Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
+ alignment.
+
+Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-page.c (MAP_FAILED): Provide default.
+
+Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
+ * sparc.h (PREDICATE_CODES): Update.
+
+Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (some_ni_operand): New.
+ * alpha-protos.h: Declare it.
+ * alpha.h (PREDICATE_CODES): Update.
+ * alpha.md (sXaddq reload insns): Use some_ni_operand
+ for SET_DEST instead of some_operand.
+
+Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
+ Jim Wilson <wilson@cygnus.com>
+
+ * genrecog.c (maybe_both_true_2): Don't compare modes of
+ two DT_pred tests.
+ (process_tree): Elide peephole2_insns. Invoke simplify_tests
+ after find_afterward.
+ (debug_decision_1): Dump next and afterward codes.
+
+Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * rtl.c (dump_and_abort): Remove.
+ (fatal_with_file_and_line): New.
+ (fatal_expected_char): New.
+ (read_rtx_lineno, read_rtx_filename): New.
+ (read_skip_spaces): Track line number.
+ (read_name): Use fatal_with_file_and_line.
+ (read_rtx): Use fatal_expected_char. Track line number.
+ * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
+
+ * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
+ if it isn't a CODE_LABEL.
+
+ * genattr.c (main): Set read_rtx_filename.
+ * genattrtab.c (main): Likewise.
+ * gencodes.c (main): Likewise.
+ * genconfig.c (main): Likewise.
+ * genemit.c (main): Likewise.
+ * genextract.c (main): Likewise.
+ * genflags.c (main): Likewise.
+ * genopinit.c (main): Likewise.
+ * genoutput.c (main): Likewise.
+ * genpeep.c (main): Likewise.
+
+ * genrecog.c (decision_test.u.insn): Add `lineno'.
+ (pattern_lineno, error_count): New variables.
+ (message_with_line): New.
+ (add_to_sequence): Break out checking code to ...
+ (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
+ (merge_insn): Use message_with_line.
+ (make_insn_sequence): Use validate_pattern. Record insn lineno.
+ (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
+
+Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * expr.c (store_constructor): Clear union if constructor is empty.
+
+Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
+ Add !endian checks. Change %{...} to %(...).
+
+Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (*addsi3_cc): Renamed from addcsi3.
+ (*addsi3_carry): Renamed from addxsi3.
+ (*subsi3_cc): Renamed from subcsi3.
+ (*subsi3_carry): Renamed from subxsi3.
+ (*xorqi_cc_1): Renamed from xorcqi_1.
+ (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
+ * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
+
+Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
+ (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
+
+1999-10-13 Brendan Kehoe <brendan@cygnus.com>
+
+ * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
+ climb up the chain of insns.
+
+Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (write_subroutine): Careful for null trees.
+ (process_tree): Don't elide empty functions.
+
+Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (genrtl.o): Depend on ggc.h.
+ * configure.in (valloc): Probe for it.
+ (with-gc): Use ggc-page if valloc present.
+ * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
+ (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
+ (ggc_alloc_string): Moved from ggc-page.c.
+ * ggc-none.c (ggc_alloc_obj): New.
+ (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
+ * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
+ (struct globals): Likewise for dev_zero_fd.
+ (init_ggc): Likewise for it's initialization.
+ (ggc_allocated_p): Move careful dereference from ...
+ (ggc_lookup_page_table): ... here. Delete.
+ (lookup_page_table_entry): Don't use ggc_lookup_page_table.
+ (alloc_anon): Use valloc if no mmap.
+ (release_pages): Use free if using valloc.
+ (ggc_alloc_obj): Renamed from alloc_obj.
+ (ggc_set_mark): Renamed from mark_obj.
+ (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
+ (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
+ (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
+ (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
+ (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
+ (ggc_collect): Use fp printing instead of our own rounding.
+ * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
+ (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
+ (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
+ (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
+ (struct ggc_string, struct ggc_any): Delete.
+ (offsetof): Provide default definition.
+ (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
+ (PTR_KEY): New.
+ (struct ggc_mem): New, from corpse of ggc_any.
+ (struct ggc_status): Delete.
+ (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
+ (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
+ (n_strings_collected, n_anys_collected): Delete.
+ (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
+ (ggc_alloc_string, ggc_alloc): Delete.
+ (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
+ (ggc_free_string, ggc_free_any): Delete.
+ (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
+ (ggc_compare_addresses, ggc_mark_string): Delete.
+ (ggc_mark_string_if_gcable, ggc_mark): Delete.
+ (search_data): Delete.
+ (struct globals): New.
+ (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
+ (tree_insert, tree_lookup): New.
+ (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
+ (clear_marks, sweep_objs): New.
+ (ggc_collect): Gut. Use clear_marks, sweep_objs.
+ (init_ggc): Set allocated_last_gc.
+ (ggc_push_context): Gut. Use G.context.
+ (ggc_pop_context): Likewise.
+ (ggc_pop_context_1): New.
+ (debug_ggc_tree): New.
+ (debug_ggc_balance, tally_leaves): New.
+ * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
+ (ggc_mark_string_if_gcable): Remove decl.
+ (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
+ (ggc_mark_rtvec_children): New.
+ (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
+ (ggc_mark_if_gcable): New decl.
+ (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
+ (ggc_alloc_tree, ggc_alloc): Likewise.
+ (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
+ (ggc_alloc_obj): New decl.
+ (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
+ (ggc_alloc_tree, ggc_alloc): Likewise.
+ (ggc_set_mark): New decl.
+ * rtl.h (struct rtx_def): Remove gc_mark.
+ (struct rtvec_def): Likewise.
+ * tree.h (struct tree_common): Likewise.
+
+Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
+
+ * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
+ float_format and thread_file definitions.
+ * configure: Rebuilt.
+
+Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
+
+ * extend.texi (Function Names): Document types of function names.
+
+Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
+ an earlyclobbered output conflict with RELOAD_INPUT reloads.
+
+Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
+
+Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
+
+Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * collect2.c (main): Do prelimnary link on AIX if rflag.
+
+Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
+ __CTOR_LIST__ in opposite order, which is the correct order for sorted
+ constructors.
+ (__do_global_dtors): similarly for __DTOR_LIST__.
+
+Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+ Diego Novillo <dnovillo@cygnus.com>
+
+ * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
+ FPUL_REGS.
+
+Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
+
+ * fixincl/*: Merged "no_bogosity" branch
+ * fixincl/fixlib.h: protect against doubly defining t_bool
+ * fixincl/server.h: protect against doubly defining t_bool
+
+Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
+
+ * genoutput.c: Include toplev.h.
+
+Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
+ Undef.
+ * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
+ * configure: Regenerate.
+
+Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
+
+ * gcse.c (delete_null_pointer_checks): Returns void.
+
+Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
+ * emit-rtl.c (copy_insn_1): Likewise.
+
+Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/mips/mips.c (mips_build_va_list): Correct
+ TREE_CHAIN setting when hard-float.
+ (mips_va_start): Use corrected setting.
+ (mips_va_arg): Likewise. Also pass a tree to build of
+ POSTINCREMENT_EXPR rather than a naked 'int'.
+
+Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc.h (ggc_push_context): Fix comment.
+ (ggc_pop_context): Likewise.
+ (mark_string_if_gcable): Likewise.
+ * ggc-common.c (ggc_mark_rtx_children): Use
+ ggc_mark_string_if_gcable.
+ * ggc-page.c (ggc_lookup_page_table): New function.
+ (ggc_allocated_p): Likewise.
+ (mark_obj): Fix formatting.
+ (ggc_mark_string_if_gcable): New function.
+ * ggc-simple.c (ggc_allocated_strings): New variable.
+ (ggc_strings_used): Likewise.
+ (ggc_compare_addresses): New function.
+ (ggc_pop_context): Pop the `any' memory too.
+ (ggc_mark_string_if_gcable): New function.
+ (ggc_collect): Initialize and tear down ggc_allocated_strings.
+
+Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
+ (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
+ * rs6000.c (expand_block_move): Match movstrsi_?reg register
+ changes.
+
+Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
+ (sched_reg_live_length, sched_reg_basic_block): Delete.
+ (current_block_num, bb_live_regs, old_live_regs): Delete.
+ (dead_notes, struct sometimes): Delete.
+ (sched_note_set, birthing_insn_p): Delete.
+ (adjust_priority): Gut useless reg lifetime code.
+ (create_reg_dead_note, attach_deaths): Delete.
+ (attach_deaths_insn, new_sometimes_live): Delete.
+ (finish_sometimes_live): Delete.
+ (find_pre_sched_live, find_post_sched_live): Delete.
+ (update_reg_usage): Delete.
+ (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
+ (schedule_insns): Delete reg lifetime code.
+ (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
+ (unlink_other_notes): Adjust REG_NOTE commentary.
+ (reemit_notes): Use REG_SAVE_NOTE.
+ (schedule_block): Likewise.
+ (schedule_region): Allocate bitmap of blocks in region. Use
+ count_or_remove_death_notes. Use update_life_info.
+
+ * rtl.h (REG_SAVE_NOTE): New.
+ * rtl.c (reg_note_name): Update.
+
+Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (refresh_blocks, need_refresh): New.
+ (combine_instructions): Allocate refresh_blocks. Invoke
+ update_life_info if needed.
+ (distribute_notes): Mark refresh_blocks instead of installing
+ USE insns.
+ * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
+ * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
+
+ * Makefile.in (recog.o): Depend on basic-block.h.
+
+Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (add_to_sequence): Thinko last change: delete
+ shadowing allow_const_int variable.
+
+Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
+ __GNUC__ and __GNUC_MINOR__.
+
+ * gansidecl.h: Likewise.
+
+ * rtl.c: Likewise.
+
+ * rtl.h: Likewise.
+
+ * toplev.h: Likewise.
+
+ * tree.c: Likewise.
+
+ * tree.h: Likewise.
+
+ * varray.c: Likewise.
+
+ * varray.h: Likewise.
+
+Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
+ use one before a jump table.
+
+ * rtl.def (ADDRESS): Change documentation to match reality.
+ * md.texi: Don't document it.
+ * gmicro.md (load address pattern): Use 'p' constraint, delete use
+ of ADDRESS rtx.
+
+ * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
+
+Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (add_to_sequence): Move allow_const_int test outside
+ known predicate block; default allow_const_int true.
+ (debug_decision_list): New.
+
+Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
+
+Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (gcse_main): Avoid global optimizations if we have a
+ large number of basic blocks and the ratio of edges to blocks
+ is high.
+ (delete_null_pointer_checks): Likewise.
+
+Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
+
+ * c-common.c (check_format_info): Warn if format string isn't a
+ string literal.
+
+Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * configure.in (arm*-*-*): Don't let autoconf remove brackets
+ * configure: regenerate
+
+Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
+ If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
+ (peepholes): Re-enable.
+
+Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (flow.o): Depend on TREE_H.
+ * basic-block.h (REG_SET_EQUAL_P): New.
+ (XOR_REG_SET): New.
+ (n_edges): Declare.
+ (free_regset_vector): Remove declaration.
+ (flow_delete_insn_chain): Declare.
+ (enum update_life_extent): New.
+ (update_life_info, count_or_remove_death_notes): Declare.
+ * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
+ Verify register live at bb->global_live_at_start before adding USE.
+ * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
+ (CLEAN_ALLOCA): New.
+ (n_edges): New.
+ (PROP_*): New flags.
+ (find_basic_blocks_1): Use alloc_EXPR_LIST.
+ (clear_edges): Zero n_edges.
+ (make_edge): Increment n_edges.
+ (split_edge): Don't allocate bb->local_set. Increment n_edges.
+ (flow_delete_insn_chain): Export.
+ (delete_block): Decrement n_edges.
+ (merge_blocks_nomove): Likewise.
+ (life_analysis): Give life_analysis_1 PROP flags.
+ (verify_wide_reg_1, verify_wide_reg): New.
+ (verify_local_live_at_start): New.
+ (update_life_info): Rewrite to call into propagate_block.
+ (mark_reg): New.
+ (mark_regs_live_at_end): After reload, if epilogue as rtl,
+ always mark stack pointer. Conditionally mark PIC register.
+ After reload, mark call-saved registers, return regsiters.
+ (life_analysis_1): Accept PROP flags not remove_dead_code.
+ Call mark_regs_live_at_end before zeroing regs_ever_live.
+ Use calculate_global_regs_live. Copy global_live_at_end before
+ calling final propagate_block. Zero reg_next_use on exit.
+ (calculate_global_regs_live): New.
+ (allocate_bb_life_data): Don't allocate bb->local_set.
+ (init_regset_vector, free_regset_vector): Remove.
+ (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
+ Test flags before every operation. Warn if prologue/epilogue insn
+ would have been deleted.
+ (mark_set_regs, mark_set_1): Accept and use FLAGS.
+ Use alloc_EXPR_LIST.
+ (mark_used_regs): Accept and use FLAGS, not FINAL.
+ Remove special handling for RETURN.
+ (try_pre_increment): Use alloc_EXPR_LIST.
+ (dump_flow_info): Dump n_edges.
+ (unlink_insn_chain, split_hard_reg_notes): Remove.
+ (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
+ (find_insn_with_note, new_insn_dead_notes): Remove.
+ (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
+ (maybe_remove_dead_notes, prepend_reg_notes): Remove.
+ (replace_insns): Remove.
+ (count_or_remove_death_notes): New.
+ (verify_flow_info): Abort on error after all checks.
+ (remove_edge): Decrement n_edges.
+ (remove_fake_edges): Tweak format.
+ * haifa-sched.c (schedule_insns): Use split_all_insns.
+ * output.h (update_life_info): Remove declaration.
+ * recog.c (split_all_insns): From the corpse of split_block_insns,
+ do the whole function block by block. Use update_life_info.
+ (recog_last_allowed_insn): New.
+ (recog_next_insn): Mind it.
+ (peephole2_optimize): Set it. Walk backwards through blocks.
+ Use update_life_info.
+ * rtl.h (update_flow_info, replace_insns): Remove declarations.
+ (split_all_insns): Declare.
+ * toplev.c (rest_of_compilation): Thread prologue before flow2.
+ Use split_all_insns.
+
+ * i386.md (or -1 peep2s): Disable.
+
+Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
+
+ * config/mips/mips.md (movstrsi+[123]) : Combine these into
+ a single pattern. Scrap the 'd' versions as unnecessary.
+
+ * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
+ tablejump_mips162,tablejump_internal4): The operands to a
+ label_ref must be VOIDmode.
+
+Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
+
+Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
+
+Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
+ cache every function if ggc_p.
+
+Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
+ instead of copy_rtx. Accept sequences that contain asm statements.
+ * emit-rtl.c (copy_insn_1, copy_insn): New functions.
+ (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
+ orig_asm_operands_vector, copy_asm_operands_vector,
+ orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
+ variables.
+ * rtl.h (copy_insn, copy_insn_1): Declare.
+
+Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
+
+ * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
+ arguments to `current_file_function_operand'.
+
+ * genrecog.c: Include hard-reg-set.h and resource.h in the
+ generated output file.
+
+ * real.c: Include tm_p.h.
+
+Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * i386.md (prologue_allocate_stack): Add '=' constraint letter on
+ output operand.
+
+Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
+ before the fctiwz insn.
+
+Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (make_lang_type_fn): New function pointer.
+ (make_lang_type): Call it.
+ * tree.h (make_lang_type): Declare.
+ (make_lang_type_fn): Likewise.
+ * rs6000.c (rs6000_build_va_list): Use make_lang_type.
+
+Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
+
+ * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
+ make sure that HIGH instructions are copied into BASE_REGS.
+
+Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
+
+Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
+
+ * c-decl.c (finish_struct): Use simpler method of
+ removing elements of a singly-linked list.
+
+Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
+
+ * alpha.md (peephole2's): Comment out peephole2's that generate
+ buggy code.
+
+Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (add_to_sequence): Disable mode check for
+ wildcard matches.
+
+Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * ggc-simple.c (init_ggc): Set empty_string.
+
+Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * configure.in: Detect mmap. Add --with-gc=foo to select
+ garbage collector; default to page if mmap available.
+ * Makefile.in (GGC): Substitute.
+
+Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c (ggc_p): Enable.
+
+Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * flow.c (verify_flow_info): Make it extern & unconditionally define.
+
+1999-10-06 Brendan Kehoe <brendan@cygnus.com>
+
+ * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
+ string for little-endian-data.
+
+Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
+
+ * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
+ case somebody tries to compile --enable-checking code with gcc
+ 1.34 or such.
+
+Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (add_to_sequence): Verify operand to label_ref is
+ VOIDmode.
+
+Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * genconfig.c (main): Disable HAVE_conditional_arithmetic.
+ * jump.c (jump_optimize_1): Document why.
+
+Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (scan_prog_file, scan_libraries): Prototype function
+ pointers and casts for `int_handler' and `quit_handler'.
+
+ * flow.c (verify_flow_info, split_hard_reg_notes,
+ find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
+ remove_edge, remove_fake_successors): Add static prototypes.
+ (verify_flow_info): Wrap with macro ENABLE_CHECKING.
+ (mark_set_1): Initialize variable `regno'.
+ (unlink_insn_chain): Likewise for variable `curr'.
+ (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
+
+ * loop.c (strength_reduce): Initialize variable
+ `unrolled_insn_copies'.
+ (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
+ prototypes. Change these functions to take const PTR parameters
+ to avoid prototype conflict when used as the comparson argument
+ for qsort.
+ (check_dbra_loop): Initialize variable `comparison_val'.
+
+ * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
+ (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
+ (find_valid_class): Initialize variable `best_class'.
+ (find_reloads): Call memcpy, not bcopy.
+
+ * reload1.c (gen_mode_int, dump_needs): Add prototypes.
+ (hard_reg_use_compare): Don't needlessly cast away const.
+ (reload_reg_class_lower): Likewise.
+ (choose_reload_regs): Initialize variable `regno'.
+
+Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
+
+ * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
+
+Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
+
+ * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
+ ({,d}discard): Add forward declarations. Declare parameter as
+ unused.
+ (main_without_main): Explicitly declare return type to be int.
+ (memcpy): Properly declare.
+
+ * libgcc2.c (toplevel): If inhibit_libc is defined and not
+ building the trampoline support, declare malloc, free, and
+ atexit.
+ (__clear_cache): Mark arguments as potentially unused.
+
+ * frame.c (toplevel): If inhibit_libc is defined, declare
+ malloc and free.
+
+Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (make_edge): Accept an optional 2D bitmap in which
+ to cache edge existence. Update all callers.
+ (make_label_edge, make_eh_edge): Pass through the edge cache.
+ (make_edges): Provide the cache.
+
+Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
+ a char*.
+ (local_mbtowc): Change the type of variable `i' from int to size_t.
+
+ * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
+ (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
+
+Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
+
+ * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
+ after other includes that define the appropriate types. Include
+ tm_p.h for getting user prototypes.
+ * ggc-callbacks.c (toplevel): Ditto.
+ * ggc-none.c (toplevel): Ditto.
+ * gcc-page.c (toplevel): Ditto.
+ * ggc-simple.c (toplevel): Ditto.
+
+Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
+ Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * config/mips/mips.c (mips_move_2words): Split doubles if
+ ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
+
+Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
+
+ * genrecog.c (struct decision_test): New.
+ (struct decision): Remove test-related members, sort the rest by size.
+ (IS_SPLIT): Simplify.
+ (new_decision, new_decision_test): New.
+ (add_to_sequence): Use them. No special handling for args of
+ non-MATCH codes.
+ (maybe_both_true): Renamed from not_both_true; return sense changed.
+ (maybe_both_true_1, maybe_both_true_2): New. Broken out
+ of maybe_both_true and adjusted for decision_test.
+ (position_merit): Remove.
+ (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
+ (merge_accept_insn): New, broken out of merge_trees.
+ (merge_trees): Use them. No special case for c_test; no node
+ splitting; use test type instead of position_merit.
+ (factor_tests): New.
+ (simplify_tests): New.
+ (break_out_subroutines): Don't write code now.
+ (find_afterward): New.
+ (write_afterward, write_switch, write_cond): New.
+ (write_action, is_unconditional): New.
+ (write_node): New. Use them.
+ (write_tree_1): Rewrite. Use the new functions above.
+ (write_tree): Remove afterward processing.
+ (write_subroutine): Simplify function variant emission.
+ (write_subroutines): New.
+ (same_codes, clear_codes): Remove.
+ (same_modes, clear_modes): Remove.
+ (write_header): New, broken out of main.
+ (make_insn_sequence): Use new_decision and new_decision_test.
+ (process_tree): New, broken out of main.
+ (main): Adjust for merge_trees interface change.
+ Don't #define operands in the output file.
+ (record_insn_name): New, broken out of make_insn_sequence.
+ (debug_decision_2, debug_decision_1, debug_decision_0): New.
+ (debug_decision): New.
+
+1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * resource.c (find_free_register): Mark class_str argument const.
+ * resource.h: Update prototype to match.
+
+ * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
+ * i386.md: Give all anonymous insns names.
+
+Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
+ blocks.
+
+Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (dbr_sched_time): Unconditional.
+ (peephole2_time): New.
+ (compile_file): Add pass numbers to all of the dump file suffixes.
+ Dump peephole2_time. Don't dump times for non-applicable passes.
+ (rest_of_compilation): Add pass numbers to dump file suffixes.
+ Conditionalize calls to the scheduler.
+ * invoke.texi: Update.
+
+Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
+
+ * flow.c (make_edges): Fix insn iteration.
+ (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
+ (find_basic_blocks_1): Fix spelling mistake.
+
+Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
+ always have side-effects. Use memset not bzero.
+ (make_node): Likewise.
+
+Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_anon_union_decl): When any of the elements of the
+ union is addressable, so is the entire union.
+
+Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
+
+ * sbitmap.c (sbitmap_ones): Don't set too many bits.
+
+ * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
+ * bitmap.c (bitmap_operation): Return true iff TO changed.
+ (bitmap_equal_p): New.
+ (bitmap_bit_p): Tidy arithmetic.
+ (debug_bitmap_file): Likewise.
+
+Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Turn on cse_not_expected
+ before cse2 instead of after.
+
+Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
+
+ * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
+ register offsets.
+
+Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * cppinit.c (is_idchar initializer): Loosen tests to accept
+ gcc 2.>6 and >2.
+
+Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * mips.md: Define conditional move patterns for floating point
+ operands and DI mode conditions.
+
+Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
+ always have side-effects.
+
+Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.c (asm_file_start): Fix typo.
+
+ * cppinit.c (is_idchar initializer): Tighten tests for when
+ to put the table into initialized memory.
+
+ * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
+ not an array of rtunion.
+ * gcc-page.c (ggc_alloc_rtvec): Similarly.
+ * gcc-simple (ggc_free_rtvec): Similarly.
+
+ * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
+ of rtunions.
+
+ * mbchar.h: Add missing #endif.
+
+ * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
+ (FPBIT, DPBIT): Define.
+
+Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * print-tree.c (print_node, indent_to): Remove redundant prototypes.
+
+ * profile.c (instrument_arcs, output_gcov_string,
+ tablejump_entry_p): Add static prototypes.
+ (output_gcov_string): Constify a char*.
+
+ * regmove.c (replacement_quality, fixup_match_2): Add static
+ prototypes.
+
+ * resource.h (reg_dead_p): Add extern prototype.
+
+ * rtl.c (trim_filename): Add static prototype.
+
+ * scan-decls.c (skip_to_closing_brace): Likewise.
+
+ * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
+ (expand_end_case): Initialize variable `range'.
+ (emit_case_nodes): Remove unused prototype `rtx_fn'.
+
+ * varasm.c (asm_emit_uninitialised): Add static prototype.
+ (asm_emit_uninitialised, assemble_variable): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpplib.c (if_directive_nameo): Add static prototype.
+
+ * cse.c (cse_insn): Remove unused variable `p'.
+
+ * except.c (create_rethrow_ref, push_entry,
+ receive_exception_label, new_eh_region_entry, find_func_region,
+ clear_function_eh_region, process_nestinfo): Add static prototypes.
+ (get_reg_for_handler): Hide definition.
+ (process_nestinfo): Initialize variable `extra_handlers'.
+
+ * expr.h (expand_builtin_longjmp): Add extern prototype.
+
+ * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
+
+ * function.c (prepare_function_start): Likewise.
+ (pop_function_context_from): Mark parameter `context' with
+ ATTRIBUTE_UNUSED.
+ (push_temp_slots_for_block, flush_addressof): Hide definition.
+
+ * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
+ solve_program_flow_graph, calculate_branch_probs,
+ function_summary, main, fancy_abort): Add prototypes.
+
+ * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
+ (add_hash): Constify a char*.
+
+ * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
+ ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
+ ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
+
+ * integrate.c (expand_inline_function_eh_labelmap): Likewise.
+
+ * lists.c (free_list, zap_lists): Likewise.
+
+Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (nonlocal_reference_p): Add static prototype.
+
+ * bitmap.c (bitmap_element_allocate): Prototype args in function
+ pointer cast.
+
+ * builtins.c (stabilize_va_list): Add static prototype.
+ (expand_builtin_va_arg): Constify a char*.
+
+ * c-lex.c (getch, put_back, extend_token_buffer_to,
+ read_line_number, token_getch, token_put_back): Add static
+ prototypes.
+
+ * c-parse.gperf (hash, is_reserved_word): Likewise.
+
+ * cccp.c (is_dir_separator): Likewise.
+
+Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * graph.h: New file to prototype functions exported by graph.c.
+
+ * Makefile.in (graph.o, toplev.o): Depend on graph.h.
+
+ * graph.c: Include graph.h.
+
+ * toplev.c: Likewise. Remove redundant prototypes.
+
+Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
+
+ * invoke.texi: Removed duplicated description for -Q.
+
+Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
+
+ * extend.texi: Grammar fix in __extension__ text.
+
+Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
+
+ * md.texi (define_peephole2): New section.
+
+Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
+ (mov $-1 to or peepholer): Enable for pentium when optimizing for
+ speed.
+
+Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
+
+Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (ffs expander): Emit Pentium friendly code for
+ TARGET_PENTIUM.
+
+Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
+ for non-trees.
+ (build1): Likewise.
+
+Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
+
+Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.c (use_return_insn): Return false if the pic
+ register is in use.
+
+Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * md.texi (No Constraints): Delete section.
+ * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
+ * final.c (final_scan_insn): We always have register constraints.
+ * genattrtab.c: Don't include "insn-config.h".
+ (write_attr_case): We always have register constraints.
+ * genconfig.c (register_constraint_flag): Delete.
+ (walk_insn_part): Don't check whether we have register constraints.
+ (main): Don't write out "#define REGISTER_CONSTRAINTS".
+ * genoutput.c (have_constraints): Delete.
+ (main): Don't set it.
+ (output_operand_data): We always have constraints.
+ (scan_operands): Likewise.
+ (compare_operands): Likewise.
+ * local-alloc.c (block_alloc): We always have constraints.
+ (requires_inout): Always compile this function.
+ * recog.c (extract_insn): We always have constraints.
+ (constrain_operands, reg_fits_class_p): Always compile these
+ functions.
+ * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
+ fields.
+ (struct insn_operand_data): Likewise.
+ * regclass.c (regclass): We always have constraints.
+ (record_reg_classes, copy_cost, record_address_regs,
+ auto_inc_dec_reg_p): Always compile these functions.
+ * regmove.c (regmove_optimize): We always have constraints.
+ * reload.c (find_reloads): Likewise.
+ * reload1.c (reload): Likewise.
+ (reload_cse_simplify_operands): Likewise.
+ * i860.c (output_delay_insn): Likewise.
+
+Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * iris6.h (BUILD_VA_LIST_TYPE): Define.
+
+Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
+ for the va_list record.
+
+Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
+ prologues.
+
+Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * alias.c: Include insn-flags.h.
+ * Makefile.in (alias.o): Update.
+
+Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
+ to LTU and GEU. Handle more cases using sbb.
+
+Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (truncatexfdf splitters): Do not use subreg.
+ (fop XFmode patterns): Fix mode in operand testing.
+
+Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Amend last change to test only the
+ form of the operand, not the insn.
+
+ * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
+ not register_operand to determine when B may need preloading.
+
+Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
+ (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
+ (call-value patterns): Move to end of file.
+ (*): Remove mode from label_ref in (pc) context.
+ (movstrqi): Use memory not general_operand for BLKmode operands.
+ (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
+ to register_operand operands.
+ (peep2 patterns): Convert from commented-out peephole patterns.
+
+Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
+ to BUILT_IN_INIT_DWARF_REG_SIZES.
+ * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
+ Renamed from BUILT_IN_DWARF_REG_SIZE; call
+ expand_builtin_init_dwarf_reg_sizes.
+ * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
+ with __builtin_init_dwarf_reg_size_table.
+ * dwarf2out.c (struct reg_size_range): Delete.
+ (expand_builtin_init_dwarf_reg_sizes): New function.
+ (expand_builtin_dwarf_reg_size): Delete.
+ * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
+ (expand_builtin_dwarf_reg_size): Don't declare.
+ * libgcc2.c (dwarf_reg_size_table_initialized): New.
+ (dwarf_reg_size_table): New.
+ (init_reg_size_table): New function.
+ (copy_reg): Use dwarf_reg_size_table.
+ (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
+ before use.
+
+Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
+ Correctly build argument list to constructor and destructor functions.
+
+Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
+
+ * c-tree.h (warn_float_equal): Declare.
+ * c-decl.c (warn_float_equal): Define.
+ (c_decode_option): Recognize -W[no-]float-equal.
+ * c-typeck.c (build_binary_op): Conditionally warn
+ about equality tests of floating point types.
+ * toplev.c (documented_lan_options): Add -W[no-]float-equal.
+ * invoke.texi: Add docs for -Wfloat-equal warning.
+
+Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
+ generating RTL directly.
+ * mips.h (INIT_TARGET_OPTABS): Likewise.
+ * mn10200.h (INIT_TARGET_OPTABS): Likewise.
+
+ * expr.h (init_mov_optab): Delete declaration
+
+ * h8300.c (WORD_REG_USED): Update to avoid useless register
+ saves in interrupt functions and functions which never return.
+
+ * cse.c (struct set): Delete inner_dest_loc field.
+ (cse_insn): Remove assignments to inner_dest_loc field.
+
+Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-page.c: Don't include <unistd.h> etc taken care of
+ by "system.h". Include <sys/mman.h> afterward.
+
+Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.c (rs6000_encode_section_info): If ggc_p, use
+ ggc_alloc_string.
+
+Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * xcoffout.c (xcoffout_declare_function): Add documentation.
+ * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
+ TARGET_64BIT. Compare constant to -1, not bit pattern.
+ (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
+ (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
+ gen_movsi typos.
+
+Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
+
+ * dwarf2out.c (add_abstract_origin_attribute): Abort if
+ origin_die is NULL.
+ (gen_inlined_enumeration_type_die): Do not abort if the type has
+ not been writeen out.
+ (gen_inlined_structure_type_die): Do not abort if the type has
+ not been writeen out.
+ (gen_inlined_union_type_die): Do not abort if the type has
+ not been writeen out.
+ (gen_tagged_type_instantiation_die): Do not abort if the type
+ has not been written out.
+
+Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
+ call it.
+ * reg-stack.c (straighten_stack): Copy hard reg set with
+ COPY_HARD_REG_SET.
+
+Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (stabilize_va_list): Stabilize array type va_list
+ to a pointer type, not the base record type.
+ (expand_builtin_va_copy): Dereference the pointers explicitly;
+ use the correct size for the copy.
+
+ * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
+ (rs6000_va_arg): Likewise.
+
+Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
+
+ * rtl.h (struct rtx_def): Move gc_mark to align mode field.
+
+Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (struct tree_decl): Use `bclass', not `class', in name of
+ field.
+ (DECL_BUILT_IN_CLASS): Adjust accordingly.
+
+Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
+ (init_ggc): Use it instead of a constant.
+ (ggc_collect): Bound allocated_last_gc by it.
+
+Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
+ with va_list.
+
+Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
+ (mips*-*-openbsd*): Let big endian configuration be a fragment.
+ * configure: Regen.
+ * config/mips/openbsd.h: New, OpenBSD little endian target.
+ * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
+ * config/mips/xm-openbsd.h: New, OpenBSD host.
+
+Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.c (output_function_prologue,
+ output_function_epilogue): Use
+ current_function_uses_pic_offset_table instead of regs_ever_live
+ to decide whether to save/restore pic register.
+ (legitimize_pic_address): Don't modify regs_ever_live any more.
+
+Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * function.h (struct function): Add x_dont_save_pending_sizes_p.
+ * stor-layout.c (variable_size): Don't add sizes to the pending
+ sizes list if x_dont_save_pending_sizes_p is set.
+
+Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
+
+ * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
+ for symbolic_operand().
+ * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
+
+Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * combine.c (gen_rtx_combine): Add missing call to va_end().
+
+ * final.c (asm_fprintf): Likewise.
+
+ * genattrtab.c (attr_rtx): Likewise.
+
+Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c: Update comments.
+ (cse_insn): When converting a conditional/computed jump into
+ an unconditional jump, always make sure a BARRIER immediately
+ follows the converted jump. Do not delete unreachable code.
+ (cse_basic_block): Do not delete unreachable code.
+ * toplev.c (rest_of_compilation): Move call to
+ delete_trivially_dead_insns after the conditional call to
+ jump_optimize.
+
+Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (make_temp_file): Don't prototype.
+
+ * gcc.c (make_temp_file): Likewise.
+
+ * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
+
+Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
+
+ * varasm.c (asm_emit_uninitialised): New function: Generate
+ the assembler statements necessary to declare an uninitialized
+ variable.
+ (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialized
+ variable.
+ (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
+ (ASM_EMIT_COMMON): New macro: Emit an entry in the common
+ section.
+ (assemble_variable): Use asm_emit_uninitialised to emit an
+ uninitialized variable.
+
+Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
+
+ * combine.c (simplify_comparison): Cope with downshifting a 32 bit
+ constant on a 64 bit host. Patch supplied by Geoffrey Keating
+ <geoffk@cygnus.com>.
+
+Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
+ * c-common.h (builtin_function): Don't declare.
+
+ * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
+ DECL_BUILT_IN.
+ (pushdecl): Likewise.
+ (finish_decl): Likewise.
+ (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
+ int. All callers changed.
+ Set the builtin's DECL_BUILT_IN_CLASS.
+ * tree.h (enum built_in_class): New.
+ (enum built_in_function): Delete NOT_BUILT_IN.
+ (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
+ in a union.
+ (DECL_SET_FUNCTION_CODE): Likewise.
+ (DECL_BUILT_IN_CLASS): New macro.
+ (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
+ (struct tree_decl): Split builtin function code field into a
+ struct.
+ (builtin_function): Declare.
+
+Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * optabs.c (init_traps): Fix typo in last change.
+
+Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.c (rest_of_decl_compilation): Update comment.
+
+Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
+ in .sbss if appropriate.
+ (EXTRA_SECTION_FUNCTIONS): Add sbss.
+ (SBSS_SECTION_ASM_OP): New macro.
+ * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
+ (EXTRA_SECTIONS): Add in_sbss.
+ * config/mips/mips.h: Prototype sbss_section.
+
+Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_start_bindings): Don't allow cleanup instructions
+ to disappear.
+
+Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * optabs.c (init_traps): Register trap_rtx as a GC root.
+
+Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/mips/mips.c (function_arg_pass_by_reference): Define
+ unconditionally, since it's called unconditionally.
+
+Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (documented_lang_options): Add -fshort-wchar.
+ * c-decl.c (c_decode_option): Likewise.
+ (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
+ for wchar_t.
+ * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
+ * gcc.c (default_compilers): If -fshort-wchar,
+ override __WCHAR_TYPE__.
+ * tm.texi (C Dialect Options): Add -fshort-wchar.
+
+ * dwarf2out.c (output_aranges): Use DW_AT_location to find the
+ symbol for a variable.
+
+ * cpplib.h (CPP_PREPROCESSED): New macro.
+ * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
+ we're seeing this input for a second time.
+
+Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
+
+ * emit-rtl.c (init_emit_once): Initialize modes first.
+
+Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
+
+ * config/i386/i386.c (pic_label_name): Change to char pointer.
+ (global_offset_table): New variable.
+ (load_pic_register): Fill global_offset_table if it hasn't
+ already been done. Allocate pic_label_name dynamically.
+ * ggc.h (empty_string): New variable.
+ * ggc-simple.c (empty_string): Likewise.
+ (init_ggc): Allocate empty_string and add as root.
+ * stmt.c (digit_strings): New variable.
+ (init_stmt): Add last_block_end_note as root. Allocate and
+ initialize digit_strings.
+ (expand_asm_operands): Use empty_string instead of string
+ constant. Use digit_strings instead of string constants.
+ * profile.c (init_arc_profiler): Allocate string with
+ ggc_alloc_string instead of xmalloc.
+ (output_func_start_profiler): Likewise.
+ * c-typeck.c (digest_init): Check if init is error_mark_node.
+
+Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * ggc-page.c: New file.
+ * Makefile.in (ggc-page.o): New.
+
+Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
+
+ * invoke.texi: Document -fdelete-null-pointer-checks
+ * toplev.c (flag_delete_null_pointer_checks): New.
+ (f_options): Add entry for -fdelete-null-pointer-checks.
+ (rest_of_compilation): Conditionalize null pointer check
+ elimination on flag_delete_null_pointer_checks.
+ (main): If -O2 or greater, enable -fdelete-null-pointer-checks
+
+1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
+ copyright notice and special exception to GPL.
+
+Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * abi64.h (mips_function_value): Add prototype arguments.
+
+ * mips-protos.h: New file with mips prototypes.
+
+ * mips.c: Include "tm_p.h".
+ (mktemp, lookup_name): Add prototype arguments.
+ (extern_list, string_constant, mips_fill_delay_slot,
+ mips_output_external, mips_output_external_libcall,
+ mips_output_filename, mips_declare_object, function_prologue,
+ mips_expand_prologue, function_epilogue, mips16_constant,
+ build_mips16_function_stub, mips_output_conditional_branch):
+ Constify a char*.
+ (mips_va_start): Remove unused variable `u'.
+ (mips_va_arg): Cast value to unsigned when comparing against one.
+ (trace): Delete.
+ (save_restore_insns, mips_expand_prologue): Add missing arg in
+ call to `large_int'.
+
+ * mips.h: Move prototypes to mips-protos.h.
+ (data_section, memory_address_p, rdata_section,
+ readonly_data_section, simple_epilogue_p, text_section): Delete
+ prototypes delcared elsewhere.
+ (mips_epilogue_delay_slots, print_options): Delete unused decls.
+ (trace): Delete.
+ (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
+
+ * mips.md: Delete extra args in call to `mips_move_2words'.
+
+ * xm-iris6.h (alloca): Add prototype argument.
+
+ * genpeep.c: Include "tm_p.h" in generated output file.
+
+Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * basic-block.h (find_edge_index): Change parameters.
+ * flow.c (verify_edge_list): Pass basic_block parameters to
+ find_edge_index instead of integers.
+
+Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
+
+ * combine.c (simplify_comparison): Use an unsigned shift to adjust
+ the constant.
+
+Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
+
+ * gcc.1: Fix a formatting error.
+
+Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * install.texi (Configurations): Remove pyramid. Add fr30, i686,
+ i786, mn10200, mn10300, pdp11, v850.
+
+Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * libgcc2.c (num_digits): Add prototype with
+ __attribute__((const)).
+ (__terminate): Add prototype.
+
+Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
+
+ * alpha/alpha.c (print_operand): Fix type of `code'.
+ (alpha_output_filename): Constify.
+ * alpha/alpha.h: Move all function declarations ...
+ * alpha/alpha-protos.h: ... here. New file.
+ * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
+ (SECTION_FUNCTION_TEMPLATE): Likewise.
+
+Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
+ * expr.c (expand_expr): Likewise.
+ (do_jump): Likewise.
+ (do_store_flag): Pass ccp_store_flag to can_compare_p.
+ * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
+ accessor macros.
+ (enum can_compare_purpose): New.
+ (can_compare_p): Adjust prototype.
+ (prepare_cmp_insn, prepare_operand): Declare.
+ * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
+ * optabs.c (cmp_available_p): Deleted.
+ (expand_abs): Pass ccp_jump to can_compare_p.
+ (can_compare_p): New arg PURPOSE. Check for combined optabs.
+ (prepare_cmp_insn): No longer static. Add arg PURPOSE.
+ Call can_compare_p rather than cmp_available_p.
+ (prepare_operand): No longer static.
+ (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
+ (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
+ (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
+ sequence to use emit_cmp_and_jump_insns.
+ (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
+
+Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
+
+ * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
+ register offsets; let LEGITIMIZE_ADDRESS load it into a register.
+ (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
+ (plus (reg) (const_int 0))
+ * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
+
+Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (expand_block_move): DImode loads and stores require
+ word-aligned displacements. Increment address registers with
+ adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
+
+Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
+
+ * dwarf2out.c (base_type_die): Use the name __unknown__ if there
+ is no name for the base type, rather than segfault. If we are
+ writing out a complex integer type, use DW_ATE_lo_user.
+
+ * expr.c (emit_move_insn_1): If we are copying a complex that fits
+ in one word or less (complex char, complex short, or on 64 bit
+ systems complex float) to/from a hard register, copy it through
+ memory instead of dying in gen_{real,imag}part. If we have a
+ short complex type, prevent inlining since it allocates stack
+ memory.
+
+ * tree.c (build_complex_type): If we are writing dwarf2 output,
+ generate a name for complex integer types.
+
+Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
+ * flow.c (remove_edge): Remove extra whitespace.
+ (remove_fake_edges): Fix comment.
+ (add_noreturn_fake_exit_edges): Use the correct name.
+
+Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
+
+ * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
+ (mostlyclean): Depend on INTL_MOSTLYCLEAN.
+ (clean): Depend on INTL_CLEAN.
+ (maintainer-clean): Adjust.
+
+Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (AC_PREREQ): Bump to 2.13.
+ (AC_C_STRINGIZE): Call this instead of using a custom macro.
+
+ * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
+
+ * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
+
+ * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
+
+ * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
+ (HAVE_STRINGIZE): Define.
+
+Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
+
+ * c-parse.in: save and restore warn_pointer_arith on __extension__
+ along with pedantic.
+ (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
+ Set the type of extension to itype rather than $<itype>1 kludge.
+ * extend.texi (Alternate Keywords): Adjust documentation.
+ * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
+
+Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c, pa.h, pa.md: Support multiple assembler dialects in
+ most assembler templates.
+
+ * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
+ FP loads and stores.
+ (following_call): Always return zero for the PA8000.
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
+ FP loads and stores.
+ (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
+
+ * pa.h (BRANCH_COST): Define.
+
+ * pa.md (return, return_internal): Use bve for PA2.0.
+
+ * pa.md (fused multiply): Add variants which reduce height for the
+ fused multiply, but which still generate 2 insns.
+ (fnegabs): Similarly.
+
+ * pa.md (subsi3): Turn into an expander. Create two anonymous
+ patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
+ * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
+
+ * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
+ for TARGET_PA_20.
+ (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
+ code generation.
+ (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
+ (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
+
+ * regclass.c (init_regs): Add "top_of_stack" as a garbage
+ collection root.
+
+ * flow.c (record_active_eh_regions): Terminate loop after finding
+ the last insn in the last basic block.
+
+Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md: Delete parallel instruction peepholes.
+
+Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
+
+Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
+ splitting to not use output template.
+
+Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
+ * config/c4x/c4x.c (c4x_va_start): New function.
+
+Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * genrecog.c (not_both_true): Handle correctly cases when called for
+ tests with different positions in the insn.
+
+Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * machmode.h (HOST_PTR_PRINTF): Move from here ...
+
+ * system.h (HOST_PTR_PRINTF): ... to here.
+
+ * mips-tfile.c: Don't include machmode.h.
+
+ * Makefile.in (MACHMODE_H): New variable. Update to use it.
+ (mips-tfile.o): Don't depend on machmode.h.
+
+Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * haifa-sched.c (sched_analyze): Rename local variable `region' to
+ avoid conflicts with typedef struct `region' at the top level scope.
+
+Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (basic_block): Add eh_beg, eh_end.
+ * flow.c (entry_exit_blocks): Update.
+ (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
+ Call new functions.
+ (find_basic_blocks_1): Don't record eh_list at each bb. Use
+ lists.c functions to allocate insn lists.
+ (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
+ edge creation ...
+ (make_eh_edge): ... here. New.
+ (move_stray_eh_region_notes): New.
+ (record_active_eh_regions): New.
+ (delete_unreachable_blocks): Split out block merging ...
+ (try_merge_blocks): ... here. New.
+ (merge_blocks_move_predecessor_nojumps): Remove edge arg.
+ Dump debugging data.
+ (merge_blocks_move_successor_nojumps): Likewise.
+ (merge_blocks): Use eh_beg+eh_end to validate block movement.
+
+Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * extend.texi (Bound member functions): Document unbound pmf
+ conversion.
+
+Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * flow.c (split_edge): Handle insertion on a fallthrough edge which
+ has the EXIT_BLOCK as a dest.
+
+Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * flow.c (remove_edge): New function to remove an edge from the
+ flow graph.
+ (remove_fake_successors): New function to remove fake successor edges.
+ (remove_fake_edges): New function to remove all fake edges from the
+ flow graph.
+ (add_fake_exit_edges): New function to add fake edges from all blocks
+ with no successors to the exit block.
+ * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
+ prototypes for new functions.
+
+Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
+ Use Pmode to determine whether to output .dword or .word.
+
+Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
+
+ * tree.c (built_in_filename): New variable.
+ (BUILT_IN_FILENAME): New macro.
+ (init_tree_codes): Allocate built_in_filename.
+ (make_node): Use built_in_filename instead of string constant.
+
+Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add fr30 target.
+ * configure: Regenerate.
+ * config/fr30: New directory.
+ * config/fr30/crti.asm: New file.
+ * config/fr30/fr30.c: New file.
+ * config/fr30/crtn.asm: New file.
+ * config/fr30/fr30.h: New file.
+ * config/fr30/fr30.md: New file.
+ * config/fr30/lib1funcs.asm: New file.
+ * config/fr30/t-fr30: New file.
+ * config/fr30/xm-fr30.h: New file.
+
+Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (merge_blocks_move_successor_nojumps): Delete the
+ BARRIER at the end of the successor, not the BARRIER before
+ the successor.
+
+ * pa.c (pa_add_gc_roots): Fix thinko in last change.
+
+Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * stmt.c (any_pending_cleanups): Don't crash when
+ current_function->stmt is unset.
+
+Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
+ other initializations that may use it for relative offsets.
+
+Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
+ (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
+ * config/i386/sol2dbg.h: Removed.
+ * config/i386/sol2gas.h: New file, to enable gas work-around.
+ * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
+ Don't use sol2dbg.h.
+ * configure: Rebuilt.
+
+Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi (-fthis-is-variable): Remove documentation.
+
+Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (compute_bb_for_insn): Declare.
+ * flow.c (compute_bb_for_insn): Export. Don't accept the varray
+ to use; set size of basic_block_for_insn directly.
+ (find_basic_blocks): Update.
+
+Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
+
+Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * crtstuff.c (ON_EXIT): Delete empty macro definition.
+ (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
+
+Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
+
+ * c-decl.c (c_decode_option): Extend comment.
+
+Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
+
+ * toplev.c (progname): Make 'const char *'
+ (flag_print_mem): Move out of main.
+ (version_flag): Move out of main.
+ (filename): Move out of main.
+ (debug_args): Remove g prefix from options.
+ (documented_lang_options): Remove cpplib specific options.
+ (display_help): Add g prefix to debug options.
+ (check_lang_option): Delete this function.
+ (decode_d_option): New function: Decode -d... option.
+ (decode_f_option): New function: Decode -f... option.
+ (decode_W_option): New function: Decode -W... option.
+ (decode_g_option): New function: Decode -g... option.
+ (independent_decode_option): New function: Decode a language
+ independent command line option.
+ (main): Invoke lang_decode_option and then
+ independent_decode_option on each command line option in
+ turn.
+
+Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
+
+ Revert this change. Gavin's patch to operand_equal_p is a better fix.
+ * fold-const.c (fold_range_test): Do not try to fold the range
+ test if the rhs or lhs has side effects.
+
+ * basic-block.h (compute_flow_dominators): Declare.
+
+ * gcse.c (alloc_code_hoist_mem): New function.
+ (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
+ (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
+ (hoist_code, one_code_hoisting_pass): Likewise.
+ (gcse_main): If optimizing for size, then hoist expressions
+ computed in multiple dominated basic blocks.
+
+ * gcse.c (invalid_nonnull_info): New function.
+ (delete_null_pointer_checks): Likewise.
+ * rtl.h (delete_null_pointer_checks): Declare.
+ * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
+
+ * flow.c (merge_blocks_move_predecessor_nojumps): New function.
+ (merge-blocks_move_successor_nojumps): Likewise.
+ (merge_blocks): Allow merging of some blocks, even if it requires
+ physical movement of the blocks, but not if it requires new jumps.
+
+ * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
+ Callers and prototype changed.
+ * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
+
+Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
+ -YP when both -p and -pg are present. From i386/sol2.h.
+
+Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * Makefile.in (distclean): Delete tm_p.h.
+ * configure.in: Create a new file, "tm_p.h", from a list in
+ "tm_p_file". For ix86 systems, set up "tm_p_file" to include
+ "i386/i386-protos.h".
+
+ * alias.c: Include "tm_p.h".
+ * c-typeck.c: Likewise.
+ * calls.c: Likewise.
+ * cse.c: Likewise.
+ * emit-rtl.c: Likewise.
+ * explow.c: Likewise.
+ * expmed.c: Likewise.
+ * expr.c: Likewise.
+ * final.c: Likewise.
+ * flow.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * gcse.c: Likewise.
+ * global.c: Likewise.
+ * haifa-sched.c: Likewise.
+ * integrate.c: Likewise.
+ * jump.c: Likewise.
+ * local-alloc.c: Likewise.
+ * loop.c: Likewise.
+ * optabs.c: Likewise.
+ * recog.c: Likewise.
+ * reg-stack.c: Likewise.
+ * regclass.c: Likewise.
+ * regmove.c: Likewise.
+ * reload.c: Likewise.
+ * reload1.c: Likewise.
+ * reorg.c: Likewise.
+ * resource.c: Likewise.
+ * stmt.c: Likewise.
+ * stor-layout.c: Likewise.
+ * toplev.c: Likewise.
+ * tree.c: Likewise.
+ * unroll.c: Likewise.
+ * genattrtab.c (main): Make generated file include "tm_p.h".
+ * genemit.c (main): Likewise.
+ * genoutput.c (main): Likewise.
+ * genrecog.c (main): Likewise.
+
+ * i386.h: Delete all prototypes.
+ * i386.c: Include "tm_p.h".
+ (ix86_attr_length_default): Call constant_call_address_operand
+ with correct number of arguments.
+ * i386-protos.h: New file.
+ * i386.md (unnamed patterns): Call constant_call_address_operand
+ with correct number of arguments.
+ (exception_receiver): Call load_pic_register with correct number
+ of arguments.
+
+Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-pragma.c (mark_align_stack): Dereference the void* properly.
+
+Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * rtl.h (insns_safe_to_move_p): New function.
+ * loop.c (find_and_verify_loops): Use it.
+ * rtlanal.c (insns_safe_to_move_p): Define it.
+
+Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-pragma.c: Include ggc.h.
+ * Makefile.in (c-pragma.o): Update.
+
+Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
+ (LIB_SPEC): Likewise.
+ (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
+ Reindent -YP/-p/-pg.
+ Copied from config/sparc/sol2.h.
+
+Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-pragma.c (mark_align_stack): New.
+ (init_pragma): New.
+ * c-pragma.h (init_pragma): Declare it.
+ * c-lex.c (init_parse): Call it.
+
+Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * configure.in: Pick up thread library on Solaris/x86 just
+ like on Solaris/sparc.
+ * configure: Rebuilt.
+
+Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
+
+ * rtl.h (global_rtx_index): New enum.
+ (global_rtl): Change to array of rtx.
+ (pc_rtx, cc0_rtx): Redefine accordingly.
+ (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
+ (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
+ (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
+ (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
+ (const_int_rtx): Change to array of rtx.
+ (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
+ accordingly.
+ * emit-rtl.c (global_rtl): Change to array of rtx.
+ (const_int_rtx): Change to aray of rtx.
+ (gen_rtx_CONST_INT): Redefine accordingly.
+ (init_emit_once): Allocate and initialize global_rtl. Likewise
+ for const_int_rtx. Add both as GC roots.
+ * genattrtab.c (global_rtl): Update declaration.
+
+1999-09-17 Ulrich Drepper <drepper@cygnus.com>
+
+ * Makefile (USER_H): Add iso646.h back.
+
+Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
+ zapping the LOG_LINKS of sched_before_next_call.
+
+ * pa.h (INSN_SETS_ARE_DELAYED): Delete.
+ * pa.c (insn_refs_are_delayed): Renamed from
+ insn_sets_and_refs_are_delayed.
+
+Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * functiion.h (struct function): Add x_whole_function_mode_p.
+ (retrofit_block): Declare.
+ * function.c (retrofit_block): New function.
+ (identify_blocks): Add assertions. Allow an incomplete set of
+ block notes if we're still generating code for the function.
+ * integrate.c: Include loop.h.
+ (expand_inline_function): Call find_loop_tree_blocks to map block
+ notes to blocks when in whole-function mode. Use retrofit_block
+ to insert new BLOCKs for the inlined function, rather than
+ insert_block.
+ * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
+ * Makefile.in (integrate.o): Depend on loop.h.
+
+Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (warn_about_unused_variables): Declare.
+ * stmt.c (warn_about_unused_variables): New function, split out
+ from ...
+ (expand_end_bindings): Here.
+
+Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (preserve_subexpressions_p): Don't crash when
+ current_function->stmt is unset.
+
+Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_start_bindings): Allow callers to pass a flag
+ indicating that no NOTE_INSN_BLOCK_BEG note is required.
+ (expand_start_target_temps): Use it.
+ * except.c (expand_eh_region_start_for_decl): Likewise.
+ * expr.c (expand_expr): Likewise.
+
+Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * fold-const.c (operand_equal_p): Pay attention to side effects.
+
+Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
+ * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
+
+ * tlink.c (scan_linker_output): Look for keywords before accepting
+ a mangled name in quotes.
+
+Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
+ * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
+
+Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md: Revert Thu Nov 26 change that came in through the
+ last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
+ Avoid earlyclobber when possible.
+
+Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * libgcc2.c (__do_global_ctors): Call atexit with one arg.
+
+ * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
+ Define HAVE_ON_EXIT.
+
+Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
+ CTYPE_CONV in all ctype macros.
+
+ * cccp.c (initialize_char_syntax): Use uppercase ctype macro
+ from system.h.
+
+ * cexp.y (initialize_random_junk): Likewise.
+
+ * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
+
+ * i370.c (handle_pragma): Likewise.
+
+ * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
+
+ * v850.c (override_options): Likewise.
+
+ * doprint.c (_doprnt): Likewise.
+
+ * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
+ Likewise.
+
+ * fixinc/server.c (load_data): Likewise.
+
+ * fold-const.c (real_hex_to_f): Likewise.
+
+ * genattr.c (write_upcase, gen_attr): Likewise.
+
+ * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
+ write_upcase): Likewise.
+
+ * genemit.c (print_code): Likewise.
+
+ * genopinit.c (gen_insn): Likewise.
+
+ * genpeep.c (print_code): Likewise.
+
+ * genrecog.c (print_code): Likewise.
+
+ * optabs.c (init_libfuncs): Likewise.
+
+Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * haifa-sched.c (sched_analyze): Keep the list of notes organized
+ in pairs.
+ (reemit_notes): Likewise.
+
+Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
+
+ * ggc.h (ggc_root): Move to ggc-common.c.
+ (roots): Remove.
+ (ggc_mark_rtx, ggc_mark_tree): Change to macro.
+ (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
+ (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
+ (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
+ * ggc-common.c (ggc_root): Move from ggc.h.
+ (roots): Declare, static.
+ (ggc_mark_rtx, ggc_mark_tree): Renamed to...
+ (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
+ null or check/set mark bit.
+ (ggc_mark_roots): New.
+ * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
+
+Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * m32r.c: Include toplev.h.
+ (*): Add ATTRIBUTE_UNUSED as needed to arguments.
+ (gen_compare): Rename swap_p to must_swap to match uses.
+ Add default abort case.
+ (m32r_output_function_epilogue): Remove unused variables.
+ (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
+ * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
+ define to empty parameter list. Update all uses.
+ (predicate decls): Use enum machine_mode not int.
+ * m32r.md (movsi): Call abort, not fatal_insn.
+ (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
+
+1999-09-14 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
+ use $0 instead of 0.
+
+Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
+ computation out of loop over hard regs.
+
+Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c (identify_blocks): Don't shadow a variable in an
+ outer scope.
+ * integrate.c (integrate_decl_tree): Don't use pushlevel,
+ pushdecl, or poplevel to build up the new BLOCK tree.
+ (expand_inline_function): Likewise.
+ (integrate_parm_decls): Likewise.
+
+Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * c-typeck.c (qualify_type): Merge qualifiers from both types.
+
+1999-09-15 Brad Lucier <lucier@math.purdue.edu>
+
+ * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
+ * invoke.texi: Document this change.
+
+Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
+ Free the struct.
+ (mark_emit_status): Renamed from mark_emit_state.
+ * except.c (mark_eh_status): Renamed from mark_eh_state.
+ Check not null before marking.
+ (free_eh_status): New.
+ * expr.c (mark_expr_status, free_expr_status): New.
+ * function.c (free_machine_status): New.
+ (free_after_parsing): New.
+ (free_after_compilation): Move bits to free_after_parsing; call
+ free_eh_status, free_expr_status; zero the marked members of the
+ function state.
+ (prepare_function_start): No can_garbage_collect.
+ Call init_eh_for_function.
+ (expand_dummy_function_end): Free up current_function state.
+ (mark_function_status): Renamed from mark_function_state.
+ (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
+ * function.h (struct function): No can_garbage_collect.
+ (free_machine_status, free_after_parsing): Declare.
+ (free_eh_status, free_expr_status): Declare.
+ * ggc.h (mark_expr_status): Declare.
+ * stmt.c (free_stmt_status): Free the struct.
+ (mark_stmt_status): Renamed from mark_stmt_state.
+ (init_stmt): Don't call init_eh.
+ (init_stmt_for_function): Don't call init_eh_for_function.
+ * toplev.c (compile_file): Call init_eh.
+ (rest_of_compilation): Free basic block info before ggc_collect.
+ Call free_after_parsing; conditionally call free_after_compilation.
+ * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
+ Check not null before marking.
+ (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
+
+Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-lex.c (yylex): Initialize warn.
+
+Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (emit_move_sequence): Properly set the mode of the scratch
+ register when performing secondary reloads for the SAR register.
+
+Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
+ (NOTE_BLOCK): New macro.
+ (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
+ * function.h (identify_blocks): Change prototype.
+ * function.c (identify_blocks): Simplify.
+ (reorder_blocks): Likewise.
+ * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
+ NOTE_INSN_BLOCK_{BEG,END}.
+ * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
+ the list of saved notes if the note isn't a
+ NOTE_INSN_BLOCK_{BEG,END}.
+ (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
+ NOTE_BLOCK_NUMBER.
+ (reemit_notes): Adjust recreation of notes to reflect new saved
+ note structure.
+ * print-rtl.c (print_rtx): Print the address of the BLOCK when
+ printing a block note.
+ * stmt.c (block_vector): Remove.
+ (find_loop_tree_blocks): Simplify.
+ (unroll_block_trees): Likewise.
+ * tree.h (reorder_block): Change prototype.
+
+Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
+ * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
+ (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
+ (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
+ (atexit, exit): Simplify.
+ * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
+ * config/lots: Remove defns of HAVE_ATEXIT.
+
+Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * calls.c (precompute_arguments): Fix typo in comment.
+ * expr.c (preexpand_calls): Don't preexpand the cleanup in a
+ TARGET_EXPR.
+
+Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * dsp16xx.c (override_options): Fix typos in GC root registration.
+
+Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
+ from config/svr4.h.
+ (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
+ (FUNCTION_PROFILER): Redefine appropriately for Linux.
+ (CC1_SPEC): Likewise.
+
+Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattr.c (main): Add extern prototype. Call return, not exit.
+ * genattrtab.c (main): Likewise.
+ * gencheck.c (main): Likewise.
+ * gencodes.c (main): Likewise.
+ * genconfig.c (main): Likewise.
+ * genemit.c (main): Likewise.
+ * genextract.c (main): Likewise.
+ * genflags.c (main): Likewise.
+ * gengenrtl.c (main): Likewise.
+ * genopinit.c (main): Likewise.
+ * genoutput.c (main): Likewise.
+ * genpeep.c (main): Likewise.
+ * genrecog.c (main): Likewise.
+
+ * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
+ * genattrtab.c (get_insn_name): Likewise.
+ * gencodes.c (get_insn_name): Likewise.
+ * genconfig.c (get_insn_name): Likewise.
+ * genemit.c (get_insn_name): Likewise.
+ * genextract.c (get_insn_name): Likewise.
+ * genflags.c (get_insn_name): Likewise.
+ * genopinit.c (get_insn_name): Likewise.
+ * genpeep.c (get_insn_name): Likewise.
+
+ * gencheck.c (usage): Add static prototype.
+ * genextract.c (print_path): Constify a char*.
+ * genopinit.c (optabs): Likewise.
+ * genoutput.c (operand_data, data, output_predicate_decls,
+ compare_operands): Likewise.
+ * genrecog.c (write_tree): Add default case in switch.
+
+Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
+
+ * print-rtl.c (get_insn_name): Remove prototype.
+
+ * toplev.h (progname): Declare const.
+
+ * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
+ init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
+ dump_sched_info, dump_local_alloc, regset_release_memory,
+ print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
+ error_with_file_and_line, error_with_decl, error_for_asm, error,
+ fatal, warning_with_file_and_line, warning_with_decl, warning,
+ pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
+ Remove redundant prototypes.
+
+ (notice, check_lang_option, report_file_and_line, vnotice,
+ mark_file_stack): Add static prototype.
+ (set_fatal_function): Add prototype.
+ (vnotice, report_file_and_line, set_fatal_function,
+ check_lang_option): Constify a char*.
+ (main): Prototype. Call return, not exit.
+
+Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
+
+ * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
+
+ * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
+
+ * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
+
+Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
+ behave as if it's zero in all cases.
+ (expand_function_start): Adjust call to assign_parms.
+ * tree.h (assign_parms): Adjust prototype.
+ * objc/objc-act.c (hack_method_prototype): Adjust call to
+ assign_parms.
+
+Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
+ arg_pointer_rtx fixed if the argument pointer register is
+ not fixed.
+ (NONZERO_BASE_PLUS_P): Likewise.
+
+Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * rtl.def (match_insn, match_insn2): Remove match_insn; rename
+ match_insn2 to match_insn.
+ * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
+
+Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (USER_H): Remove va-foo.h.
+
+ * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
+ va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
+ va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
+ va-spur.h,va-v850.h}: Remove.
+
+Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc/sparc.md (eligible_for_return_delay): New attribute.
+ (in_return_delay): Use it instead of match_insn.
+
+Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * config/alpha/va_list.h (va-alpha.h): Do not include.
+ (__gnuc_va_list): Typedef as in varargs.h.
+
+Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
+ DECL_LIVE_RANGE_RTL.
+
+Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
+ not NOTE_BLOCK_NUMBER.
+ (expand_eh_region_end): Likewise.
+ (find_exception_handler_labels): Likewise.
+ (scan_region): Likewise.
+ (exception_optimize): Likewise.
+ (update_rethrow_references): Likewise.
+ (set_insn_eh_region): Likewise.
+ * final.c (final_scan_insn): Likewise.
+ * flow.c (make_edges): Likewise.
+ * integrate.c (expand_inline_function): Likewise.
+ * print-rtl.c (print_rtx): Likewise.
+
+Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * ginclude/stdarg.h, ginclude/varargs.h: Implement in
+ terms of builtin functions and types.
+
+ * mips.c (mips_build_va_list): New.
+ (mips_va_start, mips_va_arg): New.
+ * mips.h (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
+
+ * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
+ (sh_build_va_list, sh_va_start, sh_va_arg): New.
+ * sh.h (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
+
+Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.h (struct recog_data): Make dup_num, operand_address_p,
+ n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
+ (struct insn_data): Likewise with n_operands, n_dups,
+ n_alternatives, output_format.
+ * regclass.c (scan_one_insn): Cast n_operands to int before
+ arithmetic inside comparison.
+
+Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (compile_function): Unconditionally emit nop.
+
+Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * haifa-sched.c (actual_hazard): Move declaration of variable
+ `this_cost' into the scope where it is used.
+
+Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-pragma.c (handle_pragma_token): Wrap variables `name' and
+ `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
+ HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
+
+ * genrecog.c (make_insn_sequence): Call memset, not bzero.
+
+ * jump.c (find_insert_position): Don't declare or define unless
+ !HAVE_conditional_arithmetic.
+ (returnjump_p_1, delete_prior_computation): Add static prototypes.
+
+ * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
+
+ * recog.c (offsettable_address_p): Prototype function pointer.
+ (preprocess_constraints): Call memset, not bzero.
+
+ * tree.c (tree_node_kind_names): Constify a char*. Make static.
+ (gcc_obstack_init): Don't declare.
+ (fix_sizetype): Add static prototype.
+ (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
+ (tree_cons): Call memset, not bzero.
+
+ * varasm.c (remove_from_pending_weak_list): Wrap declaration and
+ definition in macro ASM_WEAKEN_LABEL.
+ (mark_const_hash_entry): Add static prototype.
+
+Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
+
+ * unroll.c (find_common_reg_term, subtract_reg_term,
+ loop_find_equiv_value): Add static prototypes.
+ (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
+ (copy_loop_body): Remove unreachable break statement.
+
+ * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
+
+ * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
+
+Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ Undo some changes from the gcc2 merge:
+ * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
+ * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
+ pointers.
+
+ Undo this change:
+ Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
+ * emit-rtl.c (gen_lowpart_common): Disable optimization of
+ initialized float-int union if the value is a NaN.
+
+Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * gthr-win32.h: New file.
+
+ * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
+ shared as a valid attribute.
+ * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
+ * extend.texi: Document `shared' variable attribute.
+
+Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
+
+ * configure.in: Handle --enable-threads on FreeBSD.
+ * configure: Rebuit.
+
+Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
+ thread support.
+ * configure: Rebuilt.
+
+Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
+ Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
+ Rosimildo DaSilva <rdasilva@connecttel.com>
+
+ * configure.in (m68k-*-rtemscoff*): Added.
+ * configure.in (mips64orion-*-rtems*): Converted to ELF.
+ * configure.in (sparc-*-rtemsaout*): Added as alias for old
+ sparc-rtems configuration.
+ * configure.in (sparc-*-rtemself*): Added.
+ * configure.in (sparc-*-rtems*): Now ELF not a.out.
+ * config/i386/rtems.h: Added comment.
+ * config/sparc/rtemself.h: New file.
+
+ * configure.in (m68k-rtemself): Added.
+ * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
+ and DWARF_DEBUGGING_INFO.
+ * config/m68k/crti.s: New file.
+ * config/m68k/crtn.s: New file.
+ * config/m68k/t-crtstuff: New file.
+ * config/m68k/rtemself.h: New file.
+
+ * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
+ global ctor/dtor and C++ exception handling.
+ * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
+ for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
+ ENDFILE_SPEC.
+ * config/i386/t-rtems-i386: New File.
+
+Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
+
+ * stmt.c (expand_end_case): Return right away if the case stack is
+ empty.
+
+Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (version.c): Remove rule incorrectly brought in from
+ the gcc2 merge.
+
+Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * Makefile.in: Prepend $(SHELL) to move-if-change calls.
+ * msdos/top.sed: Take into account a prepended $(SHELL) to
+ move-if-change.
+ * winnt/config-nt.sed: Likewise. Kill bogus substitution.
+
+ * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
+
+Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * regmove.c (fixup_match_1): Don't change an unchanging register.
+ (stable_but_for_p): Renamed to:
+ (stable_and_no_regs_but_for_p). Reject unchanging registers too.
+ Changed all callers.
+
+Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
+
+ * loop.c (strength_reduce): Don't call reg_used_between_p if the
+ insn from BL2 is after the insn from BL.
+
+Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.h (INSN_OUTPUT_FORMAT_*): New.
+ (struct insn_data): Merge `template' and `outfun' into `output'.
+ Add `output_format'.
+ * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
+ (struct data): Remove `outfun'; add `output_format'.
+ (name_for_index): Remove declaration.
+ (output_insn_data): Handle output formats.
+ (process_template): Emit the bare array for @.
+ (gen_expand, gen_split): Set output_format to NONE.
+ * output.h (get_insn_template): Declare.
+ * final.c (get_insn_template): New.
+ (final_scan_insn): Use it.
+ * toplev.c (compile_file): Likewise.
+
+ * c4x/c4x.c (c4x_process_after_reload): Likewise.
+ * i860/i860.c (output_delayed_branch): Likewise.
+ (output_delay_insn): Likewise.
+
+1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * rtl.c (obstack_alloc_rtx): Removed.
+
+1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
+
+Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (call_insn_operand): Reject const_int.
+ (expander_call_insn_operand): Use call_insn_operand.
+
+Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (getrusage): Wrap prototype arguments in PROTO().
+
+1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
+ Use DImode operation.
+
+1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * gcc.c: Include sys/resource.h.
+ (report_times): New flag.
+ (execute): If report_times is set, calculate and report the
+ CPU time consumed by each subprocess.
+
+ (rus, prus): New globals.
+ (option_map): Add --time.
+ (display_help): Document -time.
+ (process_command): Set report_times if -time is given.
+ Turn off -pipe if -time is given.
+
+ * invoke.texi: Document new option -time.
+
+ * configure.in: Check for getrusage. Check if we have to
+ prototype getrusage.
+ * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
+
+ * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
+ fields.
+
+Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
+ appropriate) if FINE_GRAINED_LIBRARIES is not defined.
+ (nan): Return _thenan_sf or _thenan_df as appropriate.
+ (L_thenan_sf): Define _thenan_sf.
+ (L_thenan_df): Define _thenan_df.
+
+ * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
+ (DPBIT_FUNCS): Add _thenan_df.
+
+Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
+
+ * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
+ TYPE_SIZE_UNIT.
+
+Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
+
+ * gcc.h: New file.
+ (lang_specific_driver): Don't take a function pointer parameter.
+ All callers changed.
+
+ * gcc.c: Include gcc.h.
+ (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
+ lang_specific_extra_outfiles, fatal): Don't declare.
+ (multilib_defaults_raw): Constify.
+ (read_specs): Call memset, rather than bzero.
+ (main): Call return, not exit.
+ (lookup_compiler): Call memcpy, not bcopy.
+ (fatal): Make extern.
+
+ * cppspec.c: Include gcc.h.
+ (lang_specific_driver): Initialize variable `quote'. Constify a
+ char*. All calls to the function pointer parameter now
+ explicitly call `fatal'.
+
+ * gccspec.c (lang_specific_driver): Include gcc.h.
+
+Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (note_invalid_constants): Use recog_data.operand_type
+ for recog_op_type.
+
+Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
+ Declare.
+
+ * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
+ reload_reg_class, reload_inmode, reload_outmode, reload_optional,
+ reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
+ reload_secondary_in_reload, reload_secondary_out_reload,
+ reload_secondary_in_icode, reload_secondary_out_icode,
+ reload_reg_rtx, reload_when_needed): Delete declarations.
+ (struct reload): New structure.
+ (rld): Declare new array.
+ * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
+ reload_reg_class, reload_inmode, reload_outmode, reload_optional,
+ reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
+ reload_secondary_in_reload, reload_secondary_out_reload,
+ reload_secondary_in_icode, reload_secondary_out_icode,
+ reload_reg_rtx, reload_when_needed): Delete definitions.
+ (rld): New array.
+ (whole file): Replace uses of the deleted arrays with uses of rld.
+ * reload1.c (whole file): Replace uses of the deleted arrays with
+ uses of rld.
+ (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
+ explicit loops, not with bcopy.
+
+Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
+ insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
+ insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
+ insn_name): Delete and consolidate into new structures.
+ (insn_operand_predicate_fn): New.
+ (insn_output_fn): New.
+ (insn_gen_fn): New.
+ (struct insn_operand_data): New.
+ (struct insn_data): New.
+ (insn_data): New.
+ (OUT_FCN): Update for insn_data change.
+ * builtins.c (expand_builtin_strlen): Likewise.
+ (expand_builtin_memcmp): Likewise.
+ * combine.c (make_extraction, simplify_comparison): Likewise.
+ * cse.c (canon_reg, cse_insn): Likewise.
+ * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
+ * expmed.c (store_bit_field, extract_bit_field): Likewise.
+ (emit_store_flag): Likewise.
+ * expr.c (convert_move, emit_block_move): Likewise.
+ (clear_storage, emit_push_insn, expand_increment): Likewise.
+ (do_store_flag): Likewise.
+ * expr.h (GEN_FCN): Likewise.
+ (insn_gen_function): Die.
+ * final.c (final_scan_insn): Update for insn_data change.
+ (output_asm_name): Likewise.
+ * function.c (fixup_var_refs_1): Likewise.
+ * loop.c (check_dbra_loop): Likewise.
+ * optabs.c (expand_binop, expand_twoval_binop): Likewise.
+ (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
+ (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
+ (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
+ * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
+ * regmove.c (gen_add3_insn): Likewise.
+ * reload.c (push_secondary_reload, combine_reloads): Likewise.
+ (find_reloads, find_reloads_address_1): Likewise.
+ (debug_reload_to_stream): Likewise.
+ * reload1.c (emit_reload_insns, gen_reload): Likewise.
+ * stmt.c (expand_end_case): Likewise.
+ * toplev.c (compile_file): Likewise.
+
+ * c4x/c4x.c (c4x_process_after_reload): Likewise.
+ * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
+
+ * print-rtl.c (insn_name_ptr): Remove declaration.
+ (get_insn_name): Declare.
+ (print_rtx): Use it.
+ * genoutput.c (insn_name_ptr): Remove.
+ (next_operand_number): New.
+ (struct operand_data): New.
+ (null_operand, odata, odata_end): New.
+ (struct data): Use struct operand_data.
+ (idata, idata_end): Renamed from insn_data and end_of_insn_data.
+ (get_insn_name): Renamed from name_for_index.
+ (output_prologue): Define NO_MD_PROTOTYPES.
+ (output_predicate_decls): Break out from output_epilogue.
+ Iterate over the operands list.
+ (output_operand_data): Break out from output_epilogue. Emit
+ just the operands list.
+ (output_insn_data): Break out from output_epilogue. Emit just
+ the insn data.
+ (output_epilogue): Remove.
+ (output_get_insn_name): New.
+ (constraints, op_n_alternatives, predicates, address_p): Die.
+ (modes, strict_low, seen): Die.
+ (scan_operands): Take new param `d' instead of writing to
+ seven global variables.
+ (compare_operands): New.
+ (place_operands): New.
+ (validate_insn_alternatives): Update for struct data change.
+ (gen_insn): Don't zero or copy 7 global arrays. Update for
+ scan_operands; call place_operands.
+ (gen_peephole, gen_expand, gen_split): Likewise.
+ (main): Update for new output routines.
+
+ * genattr.c (insn_name_ptr): Remove.
+ (get_insn_name): New function.
+ * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
+ * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
+ * genrecog.c: Likewise.
+
+ * alpha.md (adddi3): Make `pattern' array static.
+
+Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (c4x_rpts_cycles_string,
+ c4x_cpu_version_string): Constify char *.
+ * config/c4x/c4x.c (c4x_rpts_cycles_string,
+ c4x_cpu_version_string): Likewise.
+
+Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (save_tree_status): Revert 10 Sep change.
+ (restore_tree_status): Likewise. Call obstack_free with NULL
+ before freeing the obstack proper.
+
+Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
+
+ * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
+ surrounding context.
+
+Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (type_hash_canon): Put all types in the hash-table, when
+ GC'ing.
+
+Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.h (struct recog_data, recog_data): New.
+ (recog_foo variables): Kill.
+ * recog.c (recog_operand, recog_operand_loc): Kill.
+ (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
+ (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
+ (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
+ (recog_data): Define.
+ (extract_insn): Update all recog_foo references to use recog_data.
+ (preprocess_constraints, constrain_operands): Likewise.
+ * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
+ * genattrtab.c (main): Likewise.
+ * genextract.c (main): Likewise.
+ * genoutput.c: Likewise.
+ * genrecog.c (write_subroutine, main): Likewise.
+ * local-alloc.c (block_alloc): Likewise.
+ * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
+ * regclass.c (scan_one_insn, record_reg_classes): Likewise.
+ * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
+ * reload.c (find_reloads, find_reloads_toplev): Likewise.
+ * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
+ (reload_cse_simplify_operands): Likewise.
+
+ * arc/arc.c (arc_final_prescan_insn): Likewise.
+ * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
+ * h8300/h8300.c (notice_update_cc): Likewise.
+ * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
+ * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
+ * mn10200/mn10200.c (notice_update_cc): Likewise.
+ * mn10300/mn10300.c (notice_update_cc): Likewise.
+ * romp/romp.c (update_cc): Likewise.
+ * sparc/sparc.c (check_pic): Likewise.
+ * v850/v850.c (notice_update_cc): Likewise.
+
+ * genemit.c (main): Don't declare recog_operand.
+
+Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
+
+ * ggc.h (rtvec_def): Forward declare.
+ (tree_node): Likewise.
+ (ggc_root): Define.
+ (roots): Declare.
+ (ggc_set_mark_rtx): Add prototype.
+ (ggc_set_mark_rtvec): Likewise.
+ (ggc_set_mark_tree): Likewise.
+ * ggc-simple.c (ggc_root): Don't define.
+ (roots): Don't declare.
+ (ggc_mark_rtx): Remove.
+ (ggc_mark_rtvec): Likewise.
+ (ggc_mark_tree): Likewise.
+ (ggc_mark_varray): Likewise.
+ (ggc_mark_tree_hash_table_entry): Likewise.
+ (ggc_mark_tree_hash_table): Likewise.
+ (ggc_set_mart_rtx): New function.
+ (ggc_set_mark_rtvec): Likewise.
+ (ggc_set_mark_tree): Likewise.
+ (ggc_add_root): Remove.
+ (ggc_add_rtx_root): Likewise.
+ (ggc_remove_tree_root): Likewise.
+ (ggc_add_string_root): Likewise.
+ (ggc_add_tree_varray_root): Likewise.
+ (ggc_add_tree_hash_table_root): Likewise.
+ (ggc_del_root): Likewise.
+ (ggc_mark_rtx_ptr): Likewise.
+ (ggc_mark_tree_ptr): Likewise.
+ (ggc_mark_string_ptr): Likewise.
+ (ggc_mark_tree_varray_ptr): Likewise.
+ (ggc_mark_tree_hash_table_ptr): Likewise.
+ * ggc-common.c: New file.
+ * Makefile.in (OBJS): Add ggc-common.o.
+ (ggc-common.o): List dependencies.
+
+1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * cppalloc.c (xstrdup): Use memcpy.
+ * cpperror.c (cpp_print_containing_files): Don't use
+ cpp_notice.
+ * cpplib.c (conditional_skip): Set temp->lineno.
+ (do_endif): Make error message less obscure.
+ (if_directive_name): New function.
+ (cpp_get_token [case EOF]): Unwind the if stack and generate
+ error messages for each unterminated conditional in this file.
+ (parse_string): Do not behave differently if -traditional.
+
+Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_va_arg): Cope with an array-type
+ va_list decomposing to pointer-type.
+ * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
+ (rs6000_va_arg): Likewise.
+
+Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
+
+ * except.c (start_dynamic_handler): Compute size using
+ STACK_SAVEAREA_MODE.
+
+Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
+ include directory headers. Don't define strrchr. Don't provide
+ my_* replacement functions. Prefer PTR over `pointer_type'.
+ Don't prototype system functions. Don't redefine getopt.
+
+ (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
+ safe_read, safe_write, save_pointers, restore_pointers,
+ is_id_char, in_system_include_dir, directory_specified_p,
+ file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
+ find_corresponding_lparen, referenced_file_is_newer,
+ save_def_or_dec, munge_compile_params, gen_aux_info_file,
+ process_aux_info_file, identify_lineno, check_source,
+ seek_to_line, forward_to_next_token_char, output_bytes,
+ output_string, output_up_to, other_variable_style_function,
+ find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
+ do_processing, is_syscalls_file, rename_c_file, find_extern_def,
+ find_static_definition, connect_defs_and_decs, add_local_decl,
+ add_global_decls, needs_to_be_converted, visit_each_hash_node,
+ add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
+ edit_fn_declaration, edit_formals_lists, edit_fn_definition,
+ scan_for_missed_items, edit_file, string_list_cons): Add static
+ prototypes.
+ (standard_exec_prefix, target_machine, target_version,
+ default_syscalls_dir, string_list, string_list_cons, find_file,
+ do_cleaning): Constify a char*.
+ (safe_read, safe_write): Use PTR, not a char*.
+ (is_id_char): Take an int, not a char.
+ (main): Add prototype. Call return, not exit.
+
+Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
+
+ * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
+ when comparing types.
+
+Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
+ (strength_reduce): Release the varrays from the no-bivs early exit.
+
+ * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
+ the loop over the registers.
+
+ * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
+ for a new obstack.
+ (restore_tree_status): Check that instead when freeing the obstack.
+
+Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
+
+ * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
+ as pointers.
+
+Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
+ operand size modifiers.
+
+Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-common.c (c_common_nodes_and_builtins): Don't build
+ va_list_type_node.
+ * c-common.h (enum c_tree_index and related accesor macros): Remove
+ everything now declared in tree.h.
+ * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
+ LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
+ DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
+ (error_mark_node, void_type_node, char_type_node, integer_type_node,
+ unsigned_type_node, ptr_type_node, va_list_type_node,
+ integer_zero_node, null_pointer_node, integer_one_node): Delete.
+ (init_decl_processing): Call build_common_tree_nodes and
+ build_common_tree_nodes_2 instead of building their nodes here.
+ Don't add roots for these nodes.
+ * stor-layout.c (size_zero_node, size_one_node): Delete.
+ (set_sizetype): Make a new node for bitsizetype each time.
+ * tree.c (global_trees): New variable.
+ (init_obstacks): Add a gc root for it.
+ (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
+ LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
+ DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
+ (build_common_tree_nodes): New function.
+ (fix_sizetype): New function.
+ (build_common_tree_nodes_2): New function.
+ * tree.h (enum tree_index): New.
+ (global_trees): Declare.
+ Add accessor macros for all nodes now moved to global_trees.
+ Delete their declarations.
+
+Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-decl.c (finish_function): When processing a nested function,
+ push and pop GC context around rest_of_compilation.
+
+Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
+ Default ix86_arch to PROCESSOR_I386.
+ * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
+ (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
+ (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
+ (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
+ __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
+ (EXTRA_SPECS): Remove deleted specs.
+
+Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * function.c (assign_stack_local_1): Allocate from
+ function->x_frame_offset, not frame_offset.
+
+Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc.h (lang_cleanup_tree): Remove.
+ * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
+ * ggc-callbacks.c (lang_cleanup_tree): Remove.
+
+ * c-decl.c (finish_struct): Use ggc_alloc to allocate
+ TYPE_LANG_SPECIFIC when garbage collecting.
+ (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
+ (lang_cleanup_tree): Remove.
+
+Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
+ * crtstuff.c: Not here.
+ * dwarf2out.c: Or here.
+ * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
+ info.
+
+Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * function.h (free_after_compilation): Remove decl parameter.
+ (free_varasm_status0: Likewise.
+ (free_emit_status): Likewise.
+ (free_stmt_status): Likewise.
+ (free_after_compilation): Likewise.
+ (init_lang_status): New variable.
+ (free_lang_status): Likewise.
+ * emit-rtl.c (free_emit_status): Make decl parameter implicit.
+ * function.c (init_lang_status): New variable.
+ (free_lang_status): Likewise.
+ (push_function_context_to): Don't set function::decl here.
+ (free_after_copmilation): Make decl parameter implicit. Call
+ free_lang_status if defined.
+ (prepare_function_start): Call init_lang_status if defined.
+ (init_function_start): Set function::decl here.
+ * profile.c (output_func_start_profiler): Don't call pushdecl
+ until we've actually started the function.
+ * stmt.c (free_stmt_status): Make decl parameter implicit.
+ * toplev.c (rest_of_compilation): Don't pass decl to
+ free_after_compilation.
+ * varasm.c (free_varasm_status): Likewise.
+
+Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * except.c (call_get_eh_context): Add root when allocating static
+ tree variable.
+
+Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c: Include "ggc.h".
+ (arm_add_gc_roots): New function.
+ (arm_override_options): Call it.
+ (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
+
+ * arm.md (define_asm_attributes): Add a pool_range attribute.
+
+Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
+
+ * extend.texi (Volatiles): New node.
+
+Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
+ (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
+ (struct ggc_any): Replace `mark' with `magic_mark'.
+ (ggc_alloc_string): Use memcpy, not bcopy.
+ (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
+ (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
+ (ggc_free_any): New.
+ (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
+ (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
+ (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
+ Use IS_MARKED. Use ggc_free_any.
+
+1999-09-09 Scott Bambrough <scottb@netwinder.org>
+
+ * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
+
+Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (main): Always init_ggc.
+
+Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
+
+ * except.c (find_all_handler_type_matches): Free the list if
+ we found no matches.
+
+ * combine.c (SUBST): Break out to a real function do_SUBST.
+ (SUBST_INT): Likewise.
+ * gcse.c (free_pre_mem): Free `temp_bitmap'.
+ (pre_insert): Free `inserted'.
+ * loop.c (basic_induction_var): Always set `location'.
+
+ * function.c (expand_function_end): Add initial_trampoline as a root.
+ * rtl.h (init_varasm_once): Declare.
+ * toplev.c (compile_file): Call it.
+ * ggc-simple.c (ggc_mark_string_ptr): New.
+ (ggc_add_string_root): New.
+ (ggc_collect): Disable collection avoidance temporarily.
+ * ggc.h (ggc_add_string_root): Declare.
+ * except.c (create_rethrow_ref): Use ggc_alloc_string.
+ * optabs.c (init_libfuncs): Likewise.
+ * varasm.c (named_section): Use ggc_alloc_string.
+ (make_function_rtl): Likewise.
+ (make_decl_rtl): Likewise.
+ (assemble_static_space): Likewise.
+ (assemble_trampoline_template): Likewise.
+ (output_constant_def): Likewise.
+ (force_const_mem): Likewise.
+ (mark_const_hash_entry): New.
+ (mark_pool_sym_hash_table): New.
+ (mark_varasm_state): Use it.
+ (init_varasm_once): New.
+
+ * expr.h (init_one_libfunc): Declare.
+ * optabs.c (init_one_libfunc): New.
+ (init_optabs): Use it.
+ * config/gofast.h: Likewise.
+ * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
+ * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
+
+Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * Makefile.in (cppexp.o): Depend on cpphash.h.
+ * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
+ Include cpphash.h.
+ * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
+ * cpplib.c (do_define): Generalize to handle poisoned definitions,
+ redefining poisoned identifiers, etc.
+ (do_undef): Don't allow poisoned identifiers to be undefined.
+ (do_pragma): Add #pragma poison.
+ (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
+
+ * cccp.c: Add T_POISON node type.
+ (special_symbol): Handle `defined(xxx)' and plain `xxx' for
+ poisoned xxx.
+ (do_define): Generalize to handle poisoned definitions,
+ redefining poisoned identifiers, etc.
+ (do_undef): Don't allow poisoned identifiers to be undefined.
+ (do_pragma): Add #pragma poison.
+ (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
+
+ * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
+ * c-pragma.h: Add ps_poison state. We now always have generic
+ pragmas.
+
+Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc.h (ggc_alloc): New function.
+ (ggc_mark): Likewise.
+ * ggc-simple.c (ggc_any): New structure.
+ (ggc_status): Add anys.
+ (n_anys_collected): New variable.
+ (ggc_alloc): Define.
+ (ggc_mark): Likewise.
+ (ggc_collect): Collect the anys.
+
+Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-decl.c (mark_binding_level): Make static to match prototype.
+
+Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
+
+Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
+ will use into account. Expand the max width to 5.
+ * rtl.c: Likewise.
+
+Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-simple.c (ggc_free_rtx): Poison the correct amount
+ for the rtx length.
+
+Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (call value patterns): Remove the result predicates.
+
+Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
+ last change.
+
+Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
+ changed from extern char *, to extern PTR. Also fix typo in
+ NEED_DECLARATION_REALLOC test.
+
+ * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
+
+Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
+ ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
+ ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
+ ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
+
+ * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
+
+ * cccp.c (pcfinclude): Likewise.
+
+ * global.c (allocno_compare): Likewise.
+
+ * haifa-sched.c (rank_for_schedule): Likewise.
+
+ * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
+
+ * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
+
+ * stupid.c (stupid_reg_compare): Likewise.
+
+ * tree.c (_obstack_allocated_p): Likewise.
+
+ * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
+
+1999-09-08 Bruce Korb autogen@linuxbox.com
+
+ * Makefile.in: Give the hapless gperf user a hint about
+ why "gperf -F" fails.
+
+Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
+
+ * lists.c: Include ggc.h.
+ (zap_lists): New.
+ (init_EXPR_INSN_LIST_cache): Install it.
+
+ * ggc-simple.c (init_ggc): Absorb the old init.
+ (ggc_push_context): Use xcalloc.
+ (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
+ (ggc_collect): Add [rvts] tags to the collection stats.
+
+Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
+
+ * cccp.c (main): Fix handling of -include and -imacros options.
+
+Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cpplib.c (cpp_push_buffer): Fix order of arguments.
+
+Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * rtl.h (obstack_alloc_rtx): Removed, it's now static in
+ genrtl.c.
+
+Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
+
+ * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
+ * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
+ and SET_DEST. Update comment.
+
+Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c: Include ggc.h.
+ (c4x_add_gc_roots): New function.
+ (c4x_override_options): Call c4x_add_gc_roots.
+
+Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * defaults.h (TARGET_ESC): Move ...
+ * system.h: ... here, where Linas had it in the first place. Silly me.
+
+Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
+
+ * c-common.c: Use ISGRAPH, ISLOWER, toupper.
+ * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
+ genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
+ * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
+ * defaults.h (TARGET_ESC): Add default.
+
+Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
+
+ * configure.in: add i370-*-openedition, i370-*-mvs and
+ i370-*-linux targets
+
+Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * dsp16xxx.c: Include ggc.h
+ (override_options): Mark GC roots.
+ * mn10200.c: Include ggc.h.
+ (asm_file_start): Mark GC roots.
+ * tahoe.c: Include ggc.h.
+ (extensible_operand): Mark GC roots.
+
+Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
+
+ * README: Add section discussing status of ELF ABI.
+ * i370.c: Fix misc spelling mistakes.
+ (i370_label_scan): Updated notes, exception handling.
+ (i370_function_prolog): Simplify ELF stack handling.
+ * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
+ (STACK_GROWS_DOWNWARD): ELF stack grows down.
+ (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
+ * i370.md: (movdi): Add notes.
+ (floatsidf2): Use stack not rtca for scratch float area.
+ (iorsi3): Correct operand constraints.
+ * x-oe: Restore TAROUTOPTS which are used by pax.
+
+Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * rs6000.c: Include ggc.h.
+ (rs6000_add_gc_roots): New function.
+ (override_options): Call it.
+
+Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (alpha_compare): New.
+ (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
+ * alpha.c: Likewise for the definitions.
+ (alpha_emit_conditional_branch): Update for alpha_compare.
+ (alpha_emit_conditional_move): Likewise.
+ * alpha.md (cmpdf, cmpdi): Likewise.
+ (setcc patterns): Likewise. Zero alpha_compare after use.
+ (sne): Optimize (x != 0) into (0U < x).
+
+Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
+ (struct machine_function): Declare; add eh_epilogue_sp_ofs.
+ (INIT_EXPANDERS): Remove.
+ * alpha.c: Include ggc.h.
+ (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
+ (alpha_init_machine_status, alpha_mark_machine_status): New.
+ (override_options): Install them.
+ (struct machine_function): Moved to alpha.h.
+ (alpha_save_machine_status, alpha_restore_machine_status): Remove.
+ (alpha_init_expanders): Remove.
+ (alpha_return_addr): Adjust to use current_function->machine.
+ (alpha_ra_ever_killed): Likewise.
+ (alpha_expand_epilogue): Likewise.
+ * alpha.md (eh_epilogue): Likewise.
+
+Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
+ Melissa O'Neill <oneill@cs.sfu.ca>
+ Geoffrey Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
+ call-used registers (call-saved registers must still be contiguous
+ and end with r31, of course).
+
+Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
+ (self_promoting_type_p): Delete.
+ (self_promoting_args_p): Move ...
+ * c-common.c: ... here.
+ (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
+ (simple_type_promotes_to): New.
+ * builtins.c (lang_type_promotes_to): New.
+ (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
+ * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
+ * c-common.h: ... here.
+ (self_promoting_args_p, simple_type_promotes_to): Declare.
+ * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
+ (grokdeclarator): Likewise.
+ * tree.h (lang_type_promotes_to): Declare.
+
+Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
+
+ Add some machine-dependent GC roots.
+ * sparc.c: Include ggc.h.
+ (sparc_add_gc_roots): New function.
+ (mark_ultrasparc_pipeline_state): Likewise.
+ (override_options): Call sparc_add_gc_roots.
+ * pa.c: Include ggc.h.
+ (pa_add_gc_roots): New function.
+ (mark_deferred_plabels): Likewise.
+ (override_options): Call pa_add_gc_roots.
+ * mips.c: Include ggc.h.
+ (mips_add_gc_roots): New function.
+ (override_options): Use it.
+
+Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpperror.c (cpp_file_line_for_message): Constify a char*.
+
+ * cppexp.c (parse_number, parse_charconst, cpp_lex,
+ cpp_parse_expr): Add static prototypes.
+ (parse_charconst): Don't cast away const-ness.
+ (token): Constify a char*.
+
+ * cppfiles.c (file_name_list, include_hash, find_include_file,
+ finclude, initialize_input_buffer): Constify a char*.
+ (file_cleanup, find_position): Add static prototypes.
+
+ * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
+ collect_expansion): Add static prototypes.
+ (cpp_install, create_definition, monthnames): Constify a char*.
+
+ * cpphash.h (cpp_install): Likewise.
+
+ * cppinit.c (known_suffixes, default_include,
+ dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
+ (base_name, dump_special_to_buffer, initialize_dependency_output):
+ Add static prototypes.
+
+ * cpplib.c (my_strerror): Constify a char*.
+ (null_underflow, null_cleanup, skip_comment, copy_comment,
+ copy_rest_of_line, handle_directive, pass_thru_directive,
+ get_directive_token, read_line_number, cpp_print_file_and_line,
+ v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
+ v_cpp_warning_with_line, detect_if_not_defined,
+ consider_directive_while_skipping): Add static prototypes.
+ (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
+ cpp_pedwarn_with_file_and_line): Constify a char*.
+
+ * cpplib.h (cpp_options, include_hash, progname, definition,
+ cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
+ check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
+ find_include_file, deps_output, include_hash): Constify a char*.
+
+ * cppmain.c (progname): Constify.
+ (main): Add prototype. Use return, not exit.
+
+ * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
+ recognized_macro, check_macro_names, read_scan_file, write_rbrac,
+ inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
+ check_protection): Add static prototype.
+ (xfree): Remove.
+ (progname, recognized_macrom, recognized_extern): Constify a char*.
+ (main): Add prototype.
+
+ * gen-protos.c (progname): Constify a char*.
+
+Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (free_emit_status): Take decl as a parameter.
+ (init_emit_once): Add more GC roots.
+ * except.c (mark_func_eh_entry): New function.
+ (mark_eh_node): Mark false_label and rethrow_label.
+ (init_eh): Add more GC roots.
+ * function.c (free_after_compilation): Take decl as a parameter.
+ Call free_stmt_status.
+ (mark_function_state): Don't assume x_parm_reg_stack_loc is
+ non-NULL.
+ * function.h (free_after_compilation): Change prototype.
+ (free_varasm_status): Likewise.
+ (free_emit_status): Likewise.
+ (free_stmt_status): New function.
+ * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
+ Remove, replacing with ...
+ (ggc_status): New structure.
+ (ggc_chain): New variable.
+ (init_gcc): Define.
+ (ggc_push_context): New function.
+ (ggc_pop_context): Likewise.
+ (ggc_alloc_rtx): Adjust for use of ggc_chain.
+ (ggc_alloc_rtvec): Likewise.
+ (ggc_alloc_tree): Likewise.
+ (ggc_alloc_string): Likewise.
+ (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
+ (ggc_mark_tree): Give language-dependent code a chance to mark
+ `x' nodes.
+ (ggc_mark_tree_varray): Handle empty arrays.
+ (ggc_collect): Adjust for use of ggc_chain. Clear
+ bytes_alloced_since_last_gc.
+ * ggc.h (ggc_pop_context): New function.
+ (ggc_push_context): Likewise.
+ * print-tree.c (print_node): Don't print obstacks when GC'ing.
+ * stmt.c (free_stmt_status): New function.
+ (init_stmt_for_function): Clear last_expr_value.
+ * toplev.c (rest_of_compilation): Always call free_after_compilation.
+ Conditionalize call to ggc_collect.
+ (main): Call init_ggc.
+ * tree.c (push_obstacks): Do the push, even when GC'ing.
+ (push_obstacks_nochange): Likewise.
+ (pop_obstacks): Liekwise.
+ * varasm.c (free_varasm_status): Take decl as a parameter.
+
+Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
+ (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
+ * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
+ * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
+
+Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
+
+ * pa/x-pa-mpeix: New file for the MPE port.
+
+ * pa/quadlib.asm: New file for long double support.
+
+ * configure.in: Add hppa1.0-*-mpeix for MPE port.
+ * configure: Rebuilt.
+
+Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
+
+ * final.c (shorten_branches): Fix last change.
+
+Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
+
+Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
+ details.
+
+Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-aux-info.c (concat): Don't define.
+
+ * cccp.c (my_strerror): Likewise. All callers changed to use
+ xstrerror instead.
+ (do_include): Call xstrdup, not xmalloc/strcpy.
+ (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
+ (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
+
+ * collect2.c (my_strsignal): Likewise. All callers changed to use
+ strsignal instead.
+ (locatelib): Call xstrdup, not xmalloc/strcpy.
+
+ * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
+
+ * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
+
+ * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
+
+ * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
+
+ * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
+
+ * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
+
+ * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
+ malloc/realloc.
+ (find_all_handler_type_matches): Likewise. Don't check return
+ value.
+ (get_new_handler, init_insn_eh_region, process_nestinfo): Call
+ xmalloc, not malloc.
+ (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
+
+ * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
+ (init_spec): Call xcalloc, not xmalloc/bzero.
+ (set_spec): Call xstrdup, not save_string.
+ (record_temp_file): Call xstrdup, not xmalloc/strcpy.
+ (find_a_file): Call xstrdup, not xmalloc/strcpy.
+ (process_command): Call xstrdup, not save_string.
+ (main): Call xcalloc, not xmalloc/bzero.
+
+ * gcov.c (xmalloc): Don't define.
+ (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
+ (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
+ (output_data): Call xcalloc, not xmalloc/bzero.
+
+ * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
+
+ * mips-tdump.c (xmalloc): Don't define.
+ (print_symbol): Call xmalloc, not malloc.
+ (read_tfile): Call xcalloc, not calloc.
+
+ * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
+ Don't define. All callers of xfree/my_strsignal changed to use
+ free/strsignal instead.
+ (allocate_cluster): Call xcalloc, not calloc.
+
+ * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
+ Fix memory leak, free allocated memory.
+
+ * prefix.c (translate_name): Call xstrdup, not save_string.
+ (update_path): Likewise.
+
+ * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
+
+ * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
+ Don't define. Callers of xfree/savestring2 changed to use
+ free/concat instead.
+
+ * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
+ (init_elim_table): Likewise.
+
+ * resource.c (init_resource_info): Likewise.
+
+ * stupid.c (stupid_life_analysis): Likewise.
+
+ * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
+ (open_dump_file): Call concat, not xmalloc/strcpy/...
+ (clean_dump_file): Likewise.
+ (compile_file): Call xstrdup, not xmalloc/strcpy.
+
+Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * v850.h (EXPAND_BUILTIN_VA_ARG): New.
+ * v850.c (v850_va_arg): New.
+
+Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * haifa-sched.c: Tidy comments.
+
+Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
+ (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
+ $(out_object_file)): Depend on ggc.h.
+ * c-common.c: Include "ggc.h".
+ (combine_strings): If doing GC, use ggc_alloc_string.
+ * c-decl.c: Include "ggc.h".
+ (ggc_p): Define with value 0.
+ (mark_binding_level): New function.
+ (init_decl_processing): Add GC roots.
+ (mark_c_function_context): New function.
+ (lang_mark_false_label_stack): New function.
+ (lang_mark_tree): New function.
+ (lang_cleanup_tree): New function.
+ * c-lang.c: Include "ggc.h".
+ (lang_init): Call c_parse_init.
+ * c-lex.c: Include "ggc.h".
+ (check_linenum): If doing GC, don't copy filenames to permanent
+ obstack.
+ * c-parse.in: Include "ggc.h".
+ (c_parse_init): New function.
+ * c-tree.h (c_parse_init, mark_c_function_context): Declare.
+ * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
+
+ * except.c (mark_eh_state): Mark more state.
+ * function.c (mark_function_state): Likewise.
+ * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
+ (ggc_alloc_string) [GGC_DUMP]: Fix typo.
+ * toplev.c (mark_file_stack): New function.
+ (compile_file): If doing GC, use ggc_alloc_string on input filename.
+ (main): Add root for input_file_stack.
+
+ * i386.c: Include "ggc.h".
+ (ix86_mark_machine_status): New function.
+ (override_options): Set mark_machine_status.
+
+Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.c (copy_node): Copy node contents also if doing GC.
+
+Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * collect2.c (scan_libraries): Fix double-thinko :-).
+
+Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
+
+ * collect2.c (scan_libraries): Fix thinko.
+
+ * cse.c (delete_trivially_dead_insns): Do not skip the last
+ insn if it is a real insn.
+
+Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (ggc-simple.o): Depend on hash.h.
+ * ggc.h (ggc_add_tree_hash_table_root): Declare.
+ (ggc_mark_tree_varray): Likewise.
+ (ggc_mark_tree_hash_table): Likewise.
+ * ggc-simple.c: Include hash.h.
+ (ggc_mark_tree_hash_table_ptr): New function.
+ (ggc_mark_tree_hash_table_entry): Likewise.
+ (ggc_mark_tree_hash_table): Likewise.
+ (ggc_add_tree_hash_table_root): Likewise.
+ * varray.h (const_equiv_data): Use struct rtx_def *, rather than
+ rtx, when defining fields.
+
+Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * profile.c (output_func_start_profiler): Remove apparently
+ nonsensical call to start_sequence.
+
+Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
+
+ * clipper/clipper.c (clipper_va_start): Fix typos.
+
+ * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
+ * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
+ (spur_va_arg): New stub.
+
+ * configure.in: Comment out pyramid.
+
+Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
+
+ * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
+ don't conflict with the bits that win32, cygwin, and dgux
+ defines.
+
+Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
+ Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * integrate.c (function_cannot_inline_p): Do not inline
+ functions with forced labels.
+
+Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
+ Bernd Schmidt <bernds@cygnus.co.uk>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (ggc-simple.o): Depend on varray.h.
+ (rtl.o): Depend on ggc.h.
+ (genattrtab.o): Depend on ggc.h.
+ (print-tree.o): Likewise.
+ (fold-const.o): Likewise.
+ * emit-rtl.c (sequence_element_free_list): Remove, and all references.
+ (make_insn_raw): Don't cache insns when GC'ing.
+ (emit_insn_before): Likewise.
+ (emit_insn_after): Likewise.
+ (emit_insn): Likewise.
+ (start_sequence): Use xmalloc to allocate the sequence_stack.
+ (end_sequence): Add free to free it.
+ (gen_sequence): Don't cache insns when GC'ing.
+ (clear_emit_caches): Don't use sequence_element_free_list.
+ (init_emit): Use xcalloc, not xmalloc+bzero.
+ * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
+ * function.c (pop_function_context_from): Use free to free the
+ fixup_var_refs_queue.
+ (put_reg_into_stack): Allocate it with xmalloc.
+ * genattrtab.c: Include ggc.h.
+ (operate_exp): Don't use obstack_free when GC'ing.
+ (simplify_cond): Likewise.
+ (simplify_text_exp): Likewise.
+ (optimize_attrs): Likewise.
+ * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
+ GC'ing.
+ (gencode): Generate a #include for ggc.h.
+ * ggc-callbacks.c (ggc_p): Define it to zero.
+ * ggc-none.c (ggc_p): Likewise.
+ * ggc-simple.c: Include varray.h.
+ (ggc_mark_tree_varray): New function.
+ (ggc_add_tree_varray_root): Likewise.
+ (ggc_mark_tree_varray_ptr): Likewise.
+ * ggc.h (ggc_p): Declare.
+ (varray_head_tag): Likewise.
+ (ggc_add_tree_varray_root): Declare.
+ * print-tree.c (print_node): Don't check for TREE_PERMANENT
+ inconsistencies when GC'ing.
+ * rtl.c: Include ggc.h.
+ (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
+ (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
+ (rtx_free): Don't call obstack_free when GC'ing.
+ * toplev.c (rest_of_compilation): Call ggc_collect after every
+ pass, if GC'ing.
+ * tree.c (push_obstacks): Do nothing, if GC'ing.
+ (pop_obstacks_nochange): Likewise.
+ (pop_obstacks): Likewise.
+ (make_node): Use ggc_alloc_tree when GC'ing.
+ (copy_node): Likewise.
+ (get_identifier): Use ggc_alloc_string when GC'ing.
+ (build_string): Likewise.
+ (make_tree_vec): Use ggc_alloc_tree when GC'ing.
+ (tree_cons): Likewise.
+ (build1): Likewise.
+ (type_hash_canon): Don't call obstack_free when GC'ing.
+
+Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
+ of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
+
+Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
+ Bernd Schmidt <bernds@cygnus.co.uk>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (stor-layout.o): Depend on ggc.h.
+ (expr.o): Depend on ggc.h.
+ (profile.o): Depend on ggc.h.
+ (stor-layout.o): Depend on ggc.h.
+ * emit-rtl.c (init_emit_once): Add gc roots.
+ * expr.c: Include ggc.h.
+ (emit_block_move): Add gc roots.
+ (clear_storage): Likewise.
+ * expr.h (init_stor_layout_once): New function.
+ * profile.c: Include ggc.h.
+ (init_arc_profiler): profiler_label is a root.
+ * scan.c (make_sstring_space): Trust xrealloc to function
+ correctly with first parameter NULL.
+ * stor-layout.c: Include ggc.h.
+ (set_sizetype): Add gc root.
+ (init_stor_layout_once): New function.
+ * toplev.c (compile_file): Call it.
+
+Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
+ Bernd Schmidt <bernds@cygnus.co.uk>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (tree.o): Depend on ggc.h.
+ (varasm.o): Likewise.
+ (function.o): Likewise.
+ (stmt.o): Likewise.
+ (except.o): Likewise.
+ (optabs.o): Likewise.
+ (emit-rtl.o): Likewise.
+ * emit-rtl.c: Include ggc.h.
+ (sequence_element_free_list): Remove, and all references.
+ (mark_sequence): New functions.
+ (mark_emit_state): New function.
+ * except.c: Include ggc.h.
+ (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
+ (mark_tree_label_node): New functions.
+ (mark_eh_state): New function.
+ * function.c: Include ggc.h.
+ (mark_temp_slot, mark_function_chain): New functions.
+ (mark_function_state): New function.
+ (init_function_once): New function.
+ * function.h (init_function_once): New function.
+ * ggc-callbacks.c (lang_mark_false_label_stack): New function.
+ * ggc.h (label_node): Declare.
+ (eh_status, emit_status, stmt_status, varasm_status): Likewise.
+ (lang_mark_false_label_stack): New function.
+ (mark_temp_slot): Remove declaration.
+ (mark_function_chain): Likewise.
+ (mark_eh_state): Adjust prototype.
+ (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
+ Likewise.
+ * optabs.c: Include ggc.h.
+ (mark_optab): New function.
+ (init_optabs): Add gc roots.
+ * stmt.c: Include ggc.h.
+ (mark_cond_nesting, mark_loop_nesting): New functions.
+ (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
+ (mark_stmt_state): New function.
+ * toplev.c (compile_file): Call init_function_once.
+ * tree.c: Include ggc.h.
+ (type_hash): Move declaration earlier in file.
+ (TYPE_HASH_SIZE, type_hash_table): Likewise.
+ (init_obstacks): Add gc roots.
+ (mark_type_hash): New function.
+ * varasm.c: Include ggc.h.
+ (mark_pool_constant): New function.
+ (mark_varasm_state): New function.
+
+Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
+
+Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-decl.c (struct language_function): Renamed from struct c_function.
+ Delete elt NEXT.
+ (c_function_chain): Delete.
+ (push_c_function_context): New arg F. Don't warn about nested
+ functions here. Fill LANGUAGE elt of F. Delete code to update
+ c_function_chain. Don't call push_function_context.
+ (pop_c_function_context): New arg F. Restore from there instead of
+ from c_function_chain. Don't call pop_function_context. Clear out
+ LANGUAGE field of F when done.
+ * c-lang.c: Include "function.h"
+ (lang_init): Initialize save_lang_status and restore_lang_status.
+ * c-parse.in (nested_function, nested_function_notype): Warn about
+ nested functions. Call push_function_context/pop_function_context
+ instead of the _c_ variants.
+ * c-tree.h (push_c_function_context, pop_c_function_context): Update
+ prototype.
+ * Makefile.in (c-lang.o): Update dependencies.
+
+ * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
+ regno_pointer_flag, regno_pointer_align.
+ (gen_reg_rtx): Use xrealloc to enlarge them.
+ (free_emit_status): New function.
+ * function.c (mark_machine_status, mark_lang_status): New variables.
+ (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
+ in some bits from assign_stack_local. All callers changed to use new
+ name.
+ (assign_stack_local): Just call assign_stack_local_1.
+ (free_after_compilation): New function.
+ (put_reg_into_stack): Simplify to always call assign_stack_local_1.
+ (trampoline_address): Likewise.
+ (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
+ (prepare_function_start): Explicitly clear some more variables.
+ * function.h (struct function): New elt can_garbage_collect.
+ (mark_machine_status, mark_lang_status): Declare variables.
+ (free_after_compilation, free_emit_status, free_varasm_status,
+ init_varasm_status): Declare functions.
+ * toplev.c (rest_of_compilation): Call free_after_compilation when
+ done with the current function.
+ * varasm.c (free_varasm_status): New function.
+
+Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.h (EXPAND_BUILTIN_VA_START): Define.
+ (EXPAND_BUILTIN_VA_ARG): Define.
+ * sparc.c (sparc_va_start): New.
+ (sparc_va_arg): New.
+
+Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
+
+Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
+
+Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
+ (OBJS): Add $(GGC).
+ (ggc-callbacks.o): New target.
+ * ggc-callbacks.c: New file.
+
+Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * expr.h: Collapse individual optab and libfunc vars to arrays.
+ (optab_index, libfunc_index): New enumerations.
+ (optab_table, libfunc_table): New arrays.
+ Add accessor macros for both.
+
+ * optabs.c (optab_table, libfunc_table): New.
+ Delete declarations for individual optab and libfunc vars.
+
+Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
+
+Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (GGC, GGC_LIB): New.
+ (HOST_RTL): Include ggc-none.o.
+ (ggc-simple.o): New target.
+ (ggc-none.o): Likewise.
+ * tree.h (tree_common): Add gc_mark.
+ * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
+ (struct rtvec_def): Add gc_mark.
+ * emit-rtl.c (global_rtl): Update static initializers to contain
+ enough initializers.
+ * ggc.h, ggc-none.c, ggc-simple.c: New files.
+ * toplev.c (gc_time): New variable.
+ (all_time): New variable.
+ (compile_file): Print gc time.
+ (print_time): Calculate percentage of the whole.
+
+Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ Change obstack memory management and varasm constant pool handling so
+ that nested functions are treated like any other functions.
+ * function.c (init_machine_status): New variable.
+ (push_function_context_to): Set contains_functions for the outer
+ function. Don't call save_varasm_status.
+ (pop_function_context_from): Don't call restore_varasm_status. Don't
+ set current_function_contains_functions.
+ (prepare_function_start): Call init_varasm_status rather than
+ init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
+ is non-null.
+ * function.h (struct function) Add field varasm. Delete fields
+ inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
+ last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
+ (init_machine_status): Declare.
+ (save_varasm_status, restore_varasm_status): Delete declarations.
+ (save_tree_status, restore_tree_status): Delete last argument.
+ * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
+ code. All callers changed.
+ (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
+ save_constants_in_decl_trees, restore_constants, save_constants,
+ save_for_inline_eh_labelmap, save_for_inline_copying): Delete
+ functions.
+ (inlining): New variable.
+ (reg_map, label_map, insn_map, orig_asm_operands_vector,
+ copy_asm_operands_vector, copy_asm_constraints_vector): Delete
+ variables.
+ (save_for_inline_nocopy): Don't save constants.
+ Don't set inl_emit field in current_function.
+ (expand_inline_function): Use emit field, not inl_emit, of the inlined
+ function. Set new variable inlining before
+ calling copy_rtx_and_substitute.
+ (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
+ constant pool references if inlining is nonzero.
+ Delete ADDRESS and (most of the) CONST cases.
+ (output_inline_function): Save and restore current_function/
+ current_function_decl. Delete restore_constants code. Don't call
+ init_const_rtx_hash_table.
+ * output.h (init_const_rtx_hash_table): Don't declare.
+ * rtl.h (struct function): Declare.
+ (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
+ * toplev.c (rest_of_compilation): Don't treat nested functions or
+ functions containing them specially. Delete all code to deal with
+ save_for_inline_copying.
+ * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
+ inline_obstacks): Delete variables.
+ (save_tree_status): Lose arg CONTEXT. All callers changed.
+ Simply allocate a new function_maybepermanent_obstack for the new
+ function, delete all the special cases.
+ Don't save inline_obstacks.
+ (restore_tree_status): Lose arg CONTEXT. All callers changed.
+ Delete special handling for function_maybepermanent_obstack; simply
+ free it if empty.
+ Don't restore inline_obstacks.
+ (permanent_allocation): Delete code that frees inline_obstacks.
+ (print_inline_obstack_statistics): Delete function.
+ (dump_tree_statistics): Don't call it.
+ * varasm.c (struct varasm_status): New.
+ (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
+ last_pool, pool_offset, const_double_chain): Delete global
+ variables, replace with accessor macros.
+ (immed_double_const): Don't walk const_double_chain outside a
+ function, but don't treat nested functions specially anymore.
+ (immed_real_const_1): Likewise.
+ (clear_const_double_mem): Don't treat nested functions specially.
+ (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
+ (save_varasm_status, restore_varasm_status): Delete functions.
+ (init_varasm_status): New function.
+ (force_const_mem): Don't treat nested functions specially.
+ (find_pool_constant): Accept new arg F, search for constants in
+ that function's pool rather than the current one. All callers
+ changed.
+ (get_pool_constant_for_function, get_pool_mode_for_function): New
+ functions.
+
+ * i386.c (init_386_machine_status): New function, mostly from
+ clear_386_stack_locals.
+ (struct machine_functions): Rename element names to avoid name
+ clashes.
+ (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
+ macros, replacing global variables.
+ (clear_386_stack_locals, save_386_machine_status,
+ restore_386_machine_status): Delete functions.
+ (override_options): Initialize init_machine_status.
+ * i386.h (INIT_EXPANDERS): Delete macro.
+ (save_386_machine_status, restore_386_machine_status,
+ clear_386_stack_locals): Delete declarations.
+
+Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
+ (doloop_begin): Simplify pattern and use emit_jump_insn.
+ (doloop_end): Simplify pattern, switch operand order,
+ and use emit_jump_insn.
+
+Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * function.h (struct function): Add new element LANGUAGE.
+ (save_lang_status): Declare new variable.
+ (restore_lang_status): Likewise.
+ * function.c (save_lang_status): Define.
+ (restore_lang_status): Likewise.
+ (push_function_context_to): Call language-specific save function.
+ (pop_function_context_from): Call language-specific restore function.
+
+Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
+
+ * i386.md (movsf_1): Check REG_P before use of REGNO.
+ (movdf_1): Likewise.
+ (movxf_1): Likewise.
+ (extendsfdf2): Likewise.
+ (extendsfxf2): Likewise.
+ (extenddfxf2): Likewise.
+
+Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
+ constants into memory.
+ (c4x_shiftable_constant): New function.
+ * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
+ (c4x_shiftable_constant): Declare.
+ * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
+ ashlqi3_noclobber): Add new patterns and associated splitters.
+
+Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
+ * dwarf2out.c (dwarf2out_frame_init): Likewise.
+ * final.c (shorten_branches): Likewise.
+ * global.c (global_alloc): Likewise.
+ * haifa-sched.c (build_control_flow): Likewise.
+ * stmt.c (check_for_full_enumeration_handling): Likewise.
+ (estimate_case_costs): Likewise.
+
+Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * rtl.h (RTL_CHECKC2): Fix typo in last change.
+
+Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
+ (recompute_reg_usage): Likewise.
+ * rtlanal.c (find_regno_fusage): Likewise.
+
+ * rtl.c (rtl_check_failed_code1): New function.
+ (rtl_check_failed_code2): New.
+ * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
+ (RTL_CHECKC1, RTL_CHECKC2): New.
+ (XC*): New accessor macros.
+ (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
+ (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
+ (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
+ (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
+ (TRAP_*, RANGE_INFO_*): Likewise.
+
+Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (tlink.o): Don't depend on toplev.h.
+
+ * collect2.c (c_file, o_file, export_file, import_file, ldout,
+ output_file, nm_file_name, ldd_file_name, strip_file_name,
+ c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
+ add_prefix, prefix_from_env, prefix_from_string, do_wait,
+ fork_execute, maybe_unlink, add_to_list,
+ extract_init_priority, write_list, dump_list,
+ dump_prefix_list, write_list_with_asm, write_c_file,
+ write_c_file_stat, write_c_file_glob, scan_prog_file,
+ scan_libraries, is_in_list, resolve_lib_name, use_import_list,
+ ignore_library, extract_string, notice, dump_file, target_machine,
+ collect_wait, collect_execute, libname, locatelib, aix_std_libs,
+ read_file, print_load_command): Constify a char*.
+ (fdopen, error, fatal, fatal_perror): Don't prototype.
+ (my_strerror): Remove. All callers use xstrerror instead.
+ (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
+ (main): Add prototype. Constify lots of char* ptrs. Change calls
+ to xcalloc/strcpy/strcat/... to one call to concat.
+ (main, scan_prog_file, scan_libraries): Use an intermediate
+ `const char **' to build an argv array.
+ (mapfile, libselect, libcompare, locatelib): Add prototypes.
+
+ * collect2.h (collect_execute, collect_wait, dump_file,
+ file_exists): Constify a char*.
+ (ldout, c_file_name, temporary_obstack, permanent_obstack,
+ temporary_firstobj, vflag, debug): Add extern declarations.
+ (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
+
+ * tlink.c: Don't include toplev.h.
+ (vflag, debug, ldout, c_file_name, temporary_obstack,
+ permanent_obstack, temporary_firstobj): Don't declare.
+ (tlink_execute, frob_extension, symbol_hash_lookup,
+ file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
+ recompile_files, read_repo_files, demangle_new_symbols,
+ scan_linker_output): Constify a char*.
+ (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
+ do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
+
+Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
+ (relative) rather than jsr (absolute) subroutine call insns.
+ * config/m68k/m68k-coff.h: Ditto.
+
+Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (note_invalid_constants): No need to ignore ASMs, we can
+ now rework these too.
+ (arm_reorg): If an insn can't reach the end of the current pool,
+ ensure that we emit that pool before the insn.
+
+Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
+
+ * tlink.c (scan_linker_output): Skip the initial underscore in
+ a mangled name if appropriate.
+
+Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
+ objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
+ error_with_ivar, gen_declarator, create_builtin_decl,
+ my_build_string, generate_descriptor_table, generate_ivars_list,
+ generate_dispatch_table, check_protocols, TAG_GETCLASS,
+ TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
+ dump_base_name, lang_decode_option, build_encode_expr,
+ start_class, finish_class, encode_pointer, really_start_method,
+ gen_declaration, dump_interface, handle_class_ref, handle_impent):
+ Constify.
+ (objc_demangle, objc_printable_name, generate_struct_by_value_array):
+ Add static prototypes.
+ (build_objc_string_decl, build_selector_reference_decl,
+ encode_bitfield, build_class_reference_decl): Remove unused
+ parameter, all callers changed.
+ (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
+ (objc_printable_name): Likewise. Change second parameter to type int.
+ (init_objc): Use memcpy, not bcopy, to avoid casts.
+
+Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
+ reg notes on a deleted insn.
+ * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
+
+Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
+
+Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * stmt.c (expand_asm_operands): Fix index into inout_mode when
+ reading it.
+
+Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
+ * tm.texi (MD_ASM_CLOBBERS): Document it.
+
+Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
+ * except.c (expand_rethrow): Remove unused variable.
+ * expr.c (do_jump_by_parts_greater_rtx): Likewise.
+ * flow.c (replace_insns): Likewise.
+ (create_edge_list, verify_edge_list): Likewise.
+ * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
+
+ * genemit.c (gen_expand): Only emit `operands[N]' decl if there
+ is special code to run.
+ (main): Don't define operands to emit_operand.
+ * genrecog.c (main): Don't emit an empty peephole2_insn function.
+
+ * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
+
+ * alpha/alpha.h (normal_memory_operand): Declare.
+ (reg_no_subreg_operand): Declare.
+ * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
+
+Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-parse.in (compstmt_primary_start): New, broken out of first
+ part of compstmt handling in primary.
+ (primary): Use it. Add an error clause.
+ (compstmt_nostart): Renamed from compstmt; remove all
+ initial invocations of compstmt_start.
+ (compstmt): New.
+
+Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
+ needed.
+
+Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
+
+ * combine.c (simplify_shift_const): Remove extra semicolon.
+ * dwarf2out.c (remove_AT): Likewise.
+ * expmed.c (expand_mult): Likewise.
+ * gcov.c (create_program_flow_graph): Likewise.
+ * reorg.c (mostly_true_jump): Likewise.
+
+Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fold-const.c (fold_range_test): Do not try to fold the range
+ test if the rhs or lhs has side effects.
+
+ * combine.c (simplify_rtx): Recognize another case of a synthesized
+ sign extension.
+
+ * varasm.c (mark_constant_pool): When marking indirect references,
+ only look at SYMBOL_REFs.
+
+ * except.c (expand_fixup_region_end): Do not peek at
+ INSN_UID (node->entry->outer_context) for flag_new_exceptions.
+
+Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * flags.h: New variables align_loops, align_loops_log,
+ align_jumps, align_jumps_log, align_labels, align_labels_log,
+ align_functions, align_functions_log.
+ * toplev.c: Define them.
+ (f_options): Handle -falign-* when they have no argument.
+ (main): Add logic to set variables for -falign-functions,
+ -falign-jumps, -falign-labels, -falign-loops.
+ Make it -fsched-verbose=<n> and -finline-limit=<n>.
+ (display_help): Change help to match options.
+ * final.c (LABEL_ALIGN): Default to align_labels_log.
+ (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
+ (LOOP_ALIGN): Default to align_loops_log.
+ (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
+ (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
+ (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
+ * varasm.c (assemble_start_function): Handle align_functions.
+
+ * config/sparc/sparc.h: Don't declare sparc_align_*.
+ Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
+ (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
+ sparc.c.
+ (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
+ it's a promise.
+ * config/sparc/sparc.c: Delete sparc_align_loops,
+ sparc_align_jumps, sparc_align_funcs and the corresponding string
+ variables.
+ (sparc_override_options): Default align_functions on ultrasparc.
+ Delete -malign-* handling.
+
+ * config/mips/mips.c (override_options): On 64-bit targets,
+ try to align code to 64-bit boundaries.
+ (print_operand): New substitution, %~,
+ which aligns labels to align_labels_log.
+ * config/mips/mips.md (div_trap_normal): Use %~.
+ (div_trap_mips16): Likewise.
+ (abssi): Likewise.
+ (absdi2): Likewise.
+ (ffssi2): Likewise.
+ (ffsdi2): Likewise.
+ (ashldi3_internal): Likewise.
+ (ashrdi3_internal): Likewise.
+ (lshrdi3_internal): Likewise.
+ (casesi_internal): Likewise.
+
+Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
+
+ Merge new ia32 backend from the branch!
+
+ * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
+ See ChangeLog.P2 on new_ia32_branch for details.
+
+ * rtl.h (stack_regs_mentioned_p): Delete prototype.
+ * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
+ * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
+ * i386/gas.h (ASM_FILE_START): Define.
+ * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
+ for name change of ix86_valid_decl_attribute_p.
+ (i386_pe_valid_type_attribute_p): Similarly.
+
+Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
+ to step through CC modes.
+
+Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * regmove.c (fixup_match_1): Don't move INSN in front of P if
+ it would end up in the shadow of a live flags regsiter.
+
+Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c: Fix many indentation problems.
+ * reload.c: Likewise.
+
+Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * alias.c (non_local_reference_p): Constify fmt.
+
+Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
+
+ * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
+
+Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (delete_trivially_dead_insns): Do not delete stores to
+ the internal_arg_pointer.
+
+Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
+
+ Merge peephole2 from new_ia32_branch:
+ * Makefile.in (STAGESTUFF): Add *.peephole2.
+ (mostlyclean): Likewise.
+ (recog.o): Depend on resource.h.
+
+ * final.c (peephole): Conditionalize decl on HAVE_peephole.
+ (final_scan_insn): Likewise for the invocation of peephole.
+ * genconfig.c (main): Look for peephole and peephole2 patterns.
+ Emit HAVE_peephole* accordingly.
+ * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
+ * flags.h (flag_peephole2): Declare.
+ * toplev.c: New pass peephole2. New flag -fpeephole2.
+
+ * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
+ * gencodes.c (main): Likewise.
+ * genextract.c (main): Likewise.
+ * genoutput.c (main): Likewise.
+ * genemit.c (max_operand_1): Look for the max scratch operand.
+ (gen_rtx_scratch): New.
+ (gen_exp): Use it, and pass on new arg subroutine_type.
+ (gen_expand): Take max scratch into account.
+ (gen_split): Emit peephole2 functions.
+ (output_peephole2_scratch): New.
+ (main): Include hard-reg-set.h and resource.h. Handle peephole2.
+ * genrecog.c (routine_type): Add PEEPHOLE2.
+ (IS_SPLIT): New.
+ (make_insn_sequence): Match outer parallel for peep2. Discard
+ top level scratches and dups.
+ (add_to_sequence): New args insn_type and top. Update all callers.
+ Handle toplevel peep2 matching insns.
+ (write_subroutine): Handle peep2.
+ (write_tree_1): Likewise.
+ (write_tree): Likewise.
+ (main): Likewise.
+ (change_state): New arg afterward. Update all callers.
+ Handle matching separate insns.
+ * recog.c (recog_next_insn): New.
+ (peephole2_optimize): New.
+ * rtl.def (DEFINE_PEEPHOLE2): New.
+ * resource.c (find_free_register): New argument last_insn. Use it
+ to find a register available through the entire span.
+ * resource.h (find_free_register): Update prototype.
+
+Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
+
+ * i386.c (output_strlen_unroll): Don't write xops[7]
+ label if it wasn't set.
+
+1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * cpplib.c (struct directive): Const-ify name pointer and
+ function pointer prototype.
+ (validate_else, do_define, do_line, do_include, do_undef,
+ do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
+ do_elif, do_endif, do_sccs, do_assert, do_unassert,
+ do_warning): Const-ify second arg.
+ (directive_table): Mark const. Reorder entries by frequency
+ of usage, record statistics.
+
+1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
+ bounds- check RTL accesses if --enable-checking.
+ (RTVEC_ELT): Bounds check if --enable-checking.
+ (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
+ XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
+ (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
+ GET_NUM_ELEM.
+ (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
+ X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
+
+ (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
+ (NOTE_SOURCE_FILE): Use X0STR.
+ (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
+ MEM_ALIAS_SET): Use X0INT.
+ (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
+ JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
+ Use X0EXP.
+ * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
+ * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
+ (rtl_check_failed_bounds, rtl_check_failed_type1,
+ rtl_check_failed_type2, rtvec_check_failed_bounds): New
+ functions.
+ (fancy_abort): Fix comment.
+
+ * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
+ (cse_insn): Decrement LABEL_NUSES for jump target before
+ deleting jump insn.
+ * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
+ * final.c (alter_subreg): Compute regno before changing x to
+ REG; set REGNO(x) after changing it.
+ * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
+ notes containing CONST_INTs.
+ (delete_eh_regions): Use NOTE_EH_HANDLER.
+ * function.c (put_reg_into_stack): Make reg a MEM before
+ initializing it.
+ (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
+ delete insn.
+ (gen_mem_addressof): Make reg a MEM before initializing it.
+ * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
+ X0WINT.
+ * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
+ deleting an insn, not after.
+ (block_alloc): Only look at PATTERN(insn) if we have to, and
+ only if it's format class 'i'.
+ * loop.c (check_dbra_loop): Check bl->biv->add_val is a
+ CONST_INT before using its INTVAL.
+ * print-rtl.c (print_rtx): Use X0STR.
+ * regmove.c (fixup_match_1): Don't look at PATTERN of
+ non-class-'i' insn chain elements.
+ * reload.c (loc_mentioned_in_p): Take address of
+ in->fld[1].rtx directly.
+ * reload1.c (reload): Change reg to a MEM before initializing
+ it.
+ * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
+ have no names.
+ * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
+
+Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
+
+ * config/mips/mips.c (machine_dependent_reorg): Force a
+ barrier to output the local constant pool if a barrier hasn't
+ been found at a natural point in the instruction stream.
+
+Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (language_string): Constify.
+
+ * dwarf2out.c (language_string): Remove declaration.
+
+ * dwarfout.c (language_string): Likewise.
+
+ * toplev.c (language_string, init_parse, finish_parse): Likewise.
+
+ * tree.h (language_string, init_parse, finish_parse): Declare.
+
+ * i386/sun386.h (language_string): Remove declaration.
+
+ * mips.h (language_string): Likewise.
+
+ * nextstep.h (language_string): Likewise.
+
+ * nextstep21.h (language_string): Likewise.
+
+ * rs6000.c (language_string): Likewise.
+
+Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
+ (getpwd.o): Remove target.
+
+ * getpwd.c: Delete file. Its in libiberty now.
+
+ * dbxout.c (getpwd): Don't prototype.
+ * dwarf2out.c (getpwd): Likewise
+ * dwarfout.c (getpwd): Likewise
+ * final.c (getpwd): Likewise.
+ * protoize.c (getpwd): Likewise.
+
+Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
+
+Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
+ mark_set_resources.
+
+Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
+
+ * fixinc/Makefile.in (subdir): New.
+ (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
+ (Makefile): New.
+
+Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
+
+ * emit-rtl.c (copy_rtx_if_shared): A MEM which references
+ virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
+ be shared.
+
+ * invoke.texi: Fix typo.
+
+ * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
+ changed. Handle autoincrement addressing modes.
+
+ * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
+ just like we would the virtual incoming args register when
+ integrating.
+
+Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (ASM_FILE_START): Specify complete filename, including
+ path, in .file directive.
+
+Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
+
+ * gcc.texi (External Bugs): Remove obsolete note about Perl on
+ SunOS.
+
+1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * stdbool.h: Make the typedef name _Bool, with bool a #defined
+ alias.
+
+Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree.c (tree_code_name): Constify a char*.
+
+ * tree.h (tree_code_name, decl_printable_name): Likewise.
+
+ * function.h (struct function): Likewise.
+
+ * toplev.c (decl_name, decl_printable_name): Likewise.
+
+ * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
+
+ * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
+ (init_objc): Remove function pointer cast.
+
+Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md (interspace_jump): New pattern.
+ (builtin_longjmp): New expander.
+
+1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
+ _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
+ sf_to_df, df_to_sf): Fix potential problem with alias analysis.
+
+Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
+
+ * jump.c (delete_prior_computation): Also check calls
+ to constant functions. Don't bother checking for a
+ REG_UNUSED note before adding it.
+ (delete_computation): Handle multi-word hard registers
+ when synthesizing missing REG_DEAD notes for a register
+ which is both set and used by an insn.
+
+1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (this_loop_info): New variable.
+ (loop_has_call, loop_has_volatile, loop_has_tablejump,
+ loop_continue, loops_enclosed): Replace with fields in this_loop_info.
+ All uses updated.
+ (prescan_loop, strength_reduce): New argument loop_info. All callers
+ updated.
+ (scan_loop): New variable loop_info, initialize to address of
+ this_loop_info.
+ (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
+ Delete variable loop_has_multiple_exit targets and replace with
+ field in this_loop_info.
+ (find_and_verify_loops): Rename this_loop to this_loop_num.
+ (strength_reduce): Delete loop_iteration_info. Replace variable
+ loop_info with function argument of same name.
+ (insert_bct): Rework test for loop being completely unrolled.
+
+ * loop.h (struct loop_info): New fields num, loops_enclosed,
+ has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
+ has_indirect_jump, and cont. Redefine use of unroll_number.
+ (loop_unroll_number): Delete.
+
+ * unroll.c (unroll_loop): Store loop unroll count in unroll_number
+ field of loop_info.
+ (loop_iterations): Delete variable vtop and instead use
+ loop_info->vtop computed in prescan_loop.
+
+Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
+
+ * fix-header.c (main): Do not pass a null pointer to strcmp.
+
+Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
+
+ * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
+ filenames.
+ * configure: Rebuilt.
+
+Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (jump_optimize_1): Do not delete assignments to
+ internal_arg_pointer.
+ * cse.c (delete_trivially_dead_insns): Always consider a set of
+ the internal_arg_pointer live.
+
+Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
+ (update_life_info) [REG_WAS_0]: Search the original insns rather
+ than the new insns for the note. Fix typos finding note_dest.
+ If no dest found, discard the note rather than abort.
+ [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
+ (replace_insns): Remove the old insn list after update_life_info
+ not before.
+
+Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
+ sched_analyze_insn.
+ (sched_analyze_1): Let add_dependence care for not adding dups.
+ (sched_analyze_2): Likewise.
+ (add_branch_dependences): Likewise.
+
+Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/winnt.c (export_list): New type.
+ (exports_head): Rename to
+ (export_head): this.
+ (i386_pe_record_exported_symbol): Add is_data flag.
+ (i386_pe_asm_file_end): Emit directive for exported variables.
+ * i386/cygwin.h (i386_pe_record_exported_symbol): Update
+ prototype.
+ * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
+ (ASM_DECLARE_OBJECT_NAME): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
+
+Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
+
+ * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
+ operand.
+
+Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * config/openbsd.h: Define SET_ASM_OP.
+ * tm.texi: cross-reference SET_ASM_OP in the index.
+
+1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
+ for a CONST_DOUBLE, at compile time. Initialize rtx_length
+ and class_narrowest_mode at compile time. Kill init_rtl.
+ Mark rtx_length, mode_class, mode_size, mode_unit_size,
+ mode_wider_mode, mode_mask_array, class_narrowest_mode, and
+ rtx_format as const. Kill all references to EXTRA_CC_MODES or
+ EXTRA_CC_NAMES.
+ * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
+ format.
+ * rtl.h: Declare rtx_length and rtx_format as const.
+ * machmode.def: Define CC(). Use CC() to define CCmode. If
+ EXTRA_CC_MODES is defined, expand it here.
+ * machmode.h: Declare mode_class, mode_size, mode_unit_size,
+ mode_wider_mode, mode_mask_array, and class_narrowest_mode as
+ const. Kill all references to EXTRA_CC_MODES.
+
+ * toplev.c: Don't prototype or call init_rtl.
+ * optabs.c: Don't call init_mov_optab.
+ * genemit.c: Don't generate init_mov_optab. Don't call
+ init_rtl.
+ * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
+ here.
+ * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
+ genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
+ genrecog.c: Don't call init_rtl.
+
+ * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
+ rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
+ definition of EXTRA_CC_MODES.
+
+ * md.texi: Kill ref to EXTRA_CC_NAMES.
+ * tm.texi: Document new way to define EXTRA_CC_MODES.
+
+ * genrecog.c: Do not look up the name of a define_split.
+ (Unrelated bugfix.)
+
+Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850.md: Fix typo introduced by previous delta.
+
+Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (fatal): Make definition static to match prototype.
+
+Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * combine.c (get_last_value): Don't look for earlier sets if the last
+ known set is somewhere in between the insns being combined.
+
+Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
+
+ * configure.in: Don't use shell ! to negate exit codes
+ * configure: Regenerate
+
+Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
+
+ * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
+ the fact that ALIGN is measured in bits, not bytes.
+
+1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * errors.c: New file; defines functions error, warning, and
+ fatal, variables have_error and progname.
+ * errors.h: New file; prototypes and decls for stuff in errors.c.
+
+ * Makefile: Add rules to build errors.o and
+ $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
+ genopinit, genrecog, genextract, genpeep, genattr, and
+ genoutput with errors.o. Add errors.h to deps of genconfig.o,
+ gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
+ genpeep.o, genattr.o, and genoutput.o.
+
+ * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
+ genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
+ define or prototype fatal. Set progname at beginning of main.
+ * genoutput.c: Likewise, and don't define or prototype error
+ either.
+
+ * c-typeck.c (c_expand_start_case): Return immediately if exp
+ is an ERROR_MARK.
+ * fold-const.c (operand_equal_p): Return immediately if arg1
+ or arg0 are ERROR_MARKs.
+ * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
+ fields of type ERROR_MARK when calculating if the record can
+ go in a register.
+
+Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
+ with much help from Jeffrey A Law and Richard Henderson
+
+ * i386.md: In the 6 insns which call output_fix_trunc,
+ earlyclobber operands[0].
+
+Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
+ creating new registers.
+
+1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * i386.h: Declare ix86_cpu_string, ix86_arch_string,
+ i386_reg_alloc_order, i386_regparm_string,
+ i386_align_loops_string, i386_align_jumps_string,
+ i386_align_funcs_string, i386_preferred_stack_boundary_string,
+ and i386_branch_cost_string as type "const char *".
+ * i386.c: Define all above strings as type "const char *".
+
+Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
+ when emitting alignment padding. Emit padding byte of 0 instead of 4.
+
+Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (array_type_nelts): Don't create RTL_EXPRs from
+ SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
+
+Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
+ (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
+ (dwarf2out_line, dwarf2out_finish): Likewise.
+ * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documentation.
+
+Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * tree.c (lang_unsave_expr_now) : Correct return type.
+ * tree.h (lang_unsave_expr_now) : Same.
+
+Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
+ instead of duplicating code.
+
+Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
+
+1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * tree.h: fancy_abort always takes three args.
+ * resource.c: Move include of system.h before toplev.h.
+
+Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
+
+ * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
+ as SYMBOL_REFs.
+
+1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * system.h: Don't redefine abort or trim_filename.
+ * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
+ or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
+ whether or not __FUNCTION__ is available.
+ * tree.h: Duplicate rtl.h's definition of abort, for files
+ that don't include rtl.h. Delete all code to perform type
+ checking with a compiler other than GCC.
+ * varray.h: Delete all code to perform type checking with a
+ compiler other than GCC. Make VARRAY_CHECK() always evaluate
+ its arguments exactly once, using a statement expression.
+ Adjust the VARRAY_<type> accessor macros to match.
+ * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
+ (_fatal_insn, _fatal_insn_not_found): New fns, take info on
+ caller's location. Define fatal_insn and fatal_insn_not_found
+ as macros that use _fatal_insn and _fatal_insn_not_found.
+ (fancy_abort, trim_filename): Kill prototypes.
+
+ * rtl.c (trim_filename): Move here from toplev.c.
+ (fancy_abort): New function.
+ (DIR_SEPARATOR): Provide default definition.
+ * tree.c (tree_check_failed, tree_class_check_failed): Go
+ through fancy_abort.
+ (tree_check, tree_class_check, cst_or_constructor_check,
+ expr_check): Delete.
+ * varray.c (varray_check_failed): New function.
+ * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
+ _fatal_insn and _fatal_insn_not_found. Go through
+ fancy_abort.
+ (trim_filename, fancy_abort): Delete.
+
+ * builtins.c (expand_builtin_args_info): Report ICE with abort.
+ * except.c (start_catch_handler): Report ICE with error/abort
+ combo.
+ * final.c (output_operand_lossage): Likewise.
+ * flow.c (verify_flow_info): Likewise.
+
+ * gcc.c: Prototype fatal.
+ * gengenrtl.c: Undef abort after including rtl.h not system.h.
+ * genattr.c, genattrtab.c, genemit.c, genextract.c,
+ genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
+ Don't define fancy_abort.
+
+Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
+
+ * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
+ canonization.
+
+Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * m88k.h (VERSION_INFO2): Kill.
+ (VERSION_STRING): Kill.
+ (TM_RCS_ID): Kill.
+ (VERSION_INFO1): Tidy.
+ (TARGET_VERSION): Update.
+ * m88k/dgux.h (VERSION_INFO2): Kill.
+ (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
+ * m88k/luna.h (VERSION_INFO1): Tidy.
+ * m88k/sysv4.h (VERSION_INFO1): Likewise.
+ * m88k.c (out_rcs_id, tm_rcs_id): Kill.
+ (output_file_start): Adjust for death of VERSION_STRING.
+
+1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
+
+ * cpplib.c (detect_if_not_defined): New function.
+ (do_if): Use it to detect potential once-only headers.
+
+Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-common.c (combine_strings): Always set TREE_CONSTANT.
+
+Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * combine.c (nonzero_bits) : Allow single-ly set registers to be
+ anywere in the function only if they are pseudos and set before
+ being used (not live at the start of the function).
+ (num_sign_bit_copies) : Same.
+ (get_last_value_validate) : Same.
+ (get_last_value) : Same.
+
+Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (express_from): Try harder to unify (* c N) and (* c M)
+ where N and M are constant and N is an integer multiple of M.
+
+Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
+ (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
+ sbitmap_union_of_preds): Add prototypes.
+ * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
+ the intersection of successors with the new flow graph structures.
+ (sbitmap_intersection_of_preds): New function to compute the
+ intersection of predecessors with the new flow graph structures.
+ (sbitmap_union_of_succs): New function to compute the union of
+ successors with the new flow graph structures.
+ (sbitmap_union_of_preds): New function to compute the union of
+ predecessors with the new flow graph structures.
+ * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
+ (expr_reaches_here_p): Use edge and basic_block structures instead
+ of s_preds and s_succs.
+ (compute_cprop_avinout): Use new sbitmap routines.
+ (pre_expr_reaches_here_p): Use edge and basic_block structures instead
+ of s_preds and s_succs.
+ * flow.c (compute_flow_dominators): Compute dominators using
+ edges and basic blocks instead of s_preds and s_succs.
+
+Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * lists.c (unused_insn_list, unused_expr_list): New file for
+ maintaining various types of lists. New statics for maintaining a
+ cache of available INSN_LIST and EXPR_LIST nodes.
+ (free_list): Static function for freeing a list of INSN/EXPR nodes.
+ (alloc_INSN_LIST): Function to get a free INSN_LIST node.
+ (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
+ (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
+ (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
+ (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
+ (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
+ (free_INSN_LIST_node): Free an individual INSN_LIST node.
+ * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
+ (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
+ (remove_dependence, free_pending_lists): Use new global routines.
+ (flush_pending_lists, sched_analyze_insn): Use new global routines.
+ (sched_analyze, compute_block_backward_dependences): Use new routines.
+ (sched_analyze_1, sched_analyze_2): Use new routines.
+ (schedule_insns): Use new global routines.
+ * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
+ prototypes.
+ (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
+ (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
+ prototypes.
+ * toplev.c (rest_of_compilation): Initialize node cache.
+ * Makefile.in (OBJS): Add lists.o to list of object files.
+ (lists.o): Add dependencies.
+
+Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850.md: Fix compile time warning messages.
+ * config/v850/v850.c: Fix compile time warning messages.
+ * config/v850/v850.h: Fix compile time warning messages.
+
+Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
+ Remove unused prototype for `init_lengths'.
+
+Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_call_1): Mark parameter `stack_size' with
+ ATTRIBUTE_UNUSED.
+ (expand_call): Initialize variable `insn'.
+ (emit_library_call): Likewise for variable `high_to_save'.
+ (emit_library_call_value): Likewise.
+ (store_one_arg): Likewise for variables `lower_bound' and
+ `upper_bound'.
+
+ * combine.c (try_combine): Likewise for variables `i2_code_number'
+ and `other_code_number'.
+ (find_split_point): Likewise for variables `pos', `unsignedp' and
+ `inner'.
+ (simplify_if_then_else): Likewise for variables `op' and `c1'.
+ (simplify_and_const_int): Remove unused variable `width'.
+ (merge_outer_ops): Likewise.
+
+ * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
+ HOST_WIDE_INT' when comparing against one.
+ (simplify_relational_operation): Likewise.
+ (cse_insn): Initialize variables `src_eqv_volatile',
+ `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
+
+ * final.c (init_final): Constify parameter `filename'.
+ (final_start_function): Mark parameter `optimize' with
+ ATTRIBUTE_UNUSED.
+ (profile_function): Likewise for parameters `first' and `optimize'.
+ (output_source_line): Likewise for parameter `file'.
+
+ * integrate.c (subst_constants): Cast a value to `size_t' when
+ comparing against one.
+ (mark_stores): Initialize variable `mode'. Cast a value to
+ `size_t' when comparing against one.
+
+ * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
+
+ * loop.c (move_movables): Initialize variable `first'.
+ (strength_reduce): Likewise for variable `increment'.
+ (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
+ value to `size_t' when comparing against one.
+ (load_mems): Initialize variable `end_label'.
+
+ * output.h (init_final): Constify parameter.
+
+ * reload.c (decompose): Initialize variable `base'.
+
+ * reload1.c (reload): Likewise for variable `is_scalar'.
+ (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
+ (choose_reload_regs): Initialize variable `mode'.
+ (emit_reload_insns): Likewise for variable `store_insn'.
+ (reload_cse_noop_set_p): Mark parameter `insn' with
+ ATTRIBUTE_UNUSED.
+ (reload_combine): Initialize variable `set'.
+
+ * unroll.c (unroll_loop): Likewise for variable `local_label'.
+ (copy_loop_body): Cast a value to `size_t' when comparing against
+ one.
+
+ * varasm.c (assemble_variable): Initialize variable `size_tree'.
+ (const_hash): Add an `else abort()' in an if-else-if-else sequence.
+ (remove_from_pending_weak_list): Mark parameter `name' with
+ ATTRIBUTE_UNUSED.
+
+Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * toplev.c (rest_of_compilation): Use decl_printable_name when opening
+ gcse dump file.
+
+Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
+ (ASM_DECLARE_FUNCTION_NAME): Define.
+ (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
+ ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
+ ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
+ not already defined.
+
+Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
+ of n_popped when call/call_value are not defined.
+
+Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
+
+ * tm.texi: GNU CC -> GCC conversion.
+ (CC1_SPEC): Indicate it is used for all language front ends.
+
+Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
+ NOTE_INSN_EH_REGION_END correctly.
+
+Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
+ Jeff Law <law@cygnus.com>
+
+ * loop.c (strength_reduce): Automatically unroll loops if the
+ unrolled loop size is smaller than the rolled loop size.
+
+ * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
+ and delete comment that code should be rewritten.
+
+Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * haifa-sched.c (find_rgns): Mark a block found during the DFS search
+ as reachable.
+
+ * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
+
+Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * fixinc/mkfixinc.sh: Don't fix uwin headers.
+ * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
+ (LINK_SPEC): Add -u _main when building executables.
+ (ASM_DECLARE_FUNCTION): Update from Cygwin.
+ (ASM_FILE_END): Use the default for ix86-pe.
+ * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
+
+Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
+
+ * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
+ and ASM_CLOSE_PAREN are empty strings.
+
+Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
+ Geoffrey Keating <geoffk@cygnus.com>
+
+ * Makefile.in (PREPROCESSOR_DEFINES): New macro.
+ (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
+ (unprotoize.o): Ditto.
+ (test-protoize-simple): Don't define STD_PROTO_DIR.
+ * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
+ changes to make 'test-protoize-simple' pass.
+ (STD_PROTO_DIR): Remove define.
+ (STANDARD_EXEC_PREFIX): Supply default define.
+ (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
+ (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
+ (target_version): New variable, init to DEFAULT_TARGET_VERSION.
+ (GET_ENV_PATH_LIST): New macro.
+ (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
+ (do_processing): Initialize default_syscalls_dir using new
+ macros. Use it to initialize syscalls_absolute_filename.
+
+Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
+ B into a register before emit_conditional_move.
+
+Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
+
+ * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
+ as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
+ multiplicand out of (+ (* a b) (* c d)).
+
+Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (split_hard_reg_notes): Move to flow.c
+ (new_insn_dead_notes): Likewise.
+ (update_n_sets): Likewise.
+ (update_flow_info): Move to flow.c, renamed to update_life_info;
+ extend to handle multiple source insns.
+ * flow.c: Include resource.h
+ (unlink_insn_chain): New.
+ (split_hard_reg_notes): New.
+ (maybe_add_dead_note): New.
+ (maybe_add_dead_note_use): New.
+ (find_insn_with_note): New.
+ (new_insn_dead_notes): New.
+ (update_n_sets): New.
+ (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
+ (maybe_remove_dead_notes): New.
+ (update_life_info): New.
+ (prepend_reg_notes): New.
+ (replace_insns): New.
+ * output.h (update_life_info): Declare.
+ * recog.c (split_block_insns): Use update_life_info.
+ * resource.c (find_free_register): Use reg_alloc_order, don't use
+ fixed regs, make sure the mode is supported, don't use new regs.
+ (reg_dead_p): New.
+ * rtl.h (replace_insns): Declare.
+
+Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
+
+ * expr.c (expand_expr): Cope with COND_EXPRs with one
+ non-returning branch.
+
+Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.c (store_expr): Always pass down the target, even when not
+ doing CSE.
+
+1999-08-24 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Define target_cpu_default for v850 targets.
+ * configure: Regenerate
+
+ * config/v850/v850.h (TARGET_CPU_generic): Define.
+ (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
+ addresses are 4 byte aligned.
+
+ * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
+ addresses.
+
+Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattr.c (function_unit_desc): Constify a char*. Add prototype.
+ (main): Add prototypes.
+
+ * genattrtab.c (substitute_address, write_const_num_delay_slots,
+ attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
+ (write_attr_get): Emit prototypes along with function definition.
+ (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
+ (write_complex_function): Emit static prototype along with
+ function definition.
+
+ * genemit.c (gen_split): Emit prototypes along with function
+ definition.
+
+ * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
+ Likewise for predicates and `insn_operand_predicate'.
+ (process_template): Emit static prototype along with function
+ definition.
+
+ * genrecog.c (make_insn_sequence): Constify a char*. Add
+ prototypes for get_split_*().
+ (write_subroutine): Emit prototypes along with function
+ definition.
+
+Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * gcse.c (find_avail_set): Follow chains of register-register copies.
+ Use oprs_not_set_p to guarantee that the returned value can be
+ substituted.
+ (cprop_insn): Don't verify the return value of find_avail_set with
+ oprs_not_set_p.
+
+ * gcse.c (cprop_jump): New function, broken out of cprop_insn.
+ (cprop_cc0_jump): New function.
+ (cprop_insn): Break out new function cprop_jump and use it.
+ Also use cprop_cc0_jump for machines with CC0.
+ (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
+
+ * tree.h (current_function_calls_setjmp,
+ current_function_calls_longjmp): Delete declarations.
+ * dsp16xx.c: Include "function.h".
+ * elxsi.c: Likewise.
+ * gmicro.c: Likewise.
+ * h8300.c: Likewise.
+ * i370.c: Likewise.
+ * m32r.c: Likewise.
+ * mn10200.c: Likewise.
+ * mn10300.c: Likewise.
+ * ns32k.c: Likewise.
+ * spur.c: Likewise.
+ * v850.c: Likewise.
+
+ * rtl.h (rtx_equal_function_value_matters): Declare.
+ * toplev.c (rtx_equal_function_value_matters): Don't declare.
+ * cse.c: Likewise.
+ * function.c: Likewise.
+ * emit-rtl.c: Likewise.
+
+Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
+ call.
+
+1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
+ exactly.
+
+Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
+
+ * cpp.texi: Add a node documenting macro varargs (copied
+ from extend.texi).
+
+1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * cppspec.c: Put a null pointer at the end of the new argv.
+
+Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in: Remove code to select/de-select the haifa
+ scheduler. Every scheduled port gets haifa now.
+ * configure: Rebuilt.
+ * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
+ * sched.c Deleted.
+ * Makefile.in: Corresponding changes.
+
+Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
+ All callers changed.
+ (prepare_float_lib_cmp): Likewise.
+ Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
+ * expr.h (emit_float_lib_cmp): Delete declaration.
+ * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
+ * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
+ * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
+ specially.
+ (cmptf): Now conditional on TARGET_HARD_QUAD.
+
+Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
+
+ * resource.c (mark_target_live_regs): Use
+ PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
+
+Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
+
+ * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
+
+ * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
+
+Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.h (rtx_format): Constify a char*.
+
+ * rtl.c (rtx_format): Likewise.
+ (copy_rtx, copy_most_rtx, read_rtx): Likewise.
+ (init_rtl): Use accessor macro, not `rtx_format'.
+
+ * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
+ char*.
+
+ * caller-save.c (mark_referenced_regs): Likewise.
+
+ * combine.c (subst, make_compound_operation, known_cond,
+ gen_rtx_combine, update_table_tick, get_last_value_validate,
+ use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
+
+ * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
+ refers_to_p, canon_reg, fold_rtx, cse_process_notes,
+ count_reg_usage): Likewise.
+
+ * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
+ Likewise.
+
+ * final.c (leaf_renumber_regs_insn): Likewise.
+
+ * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
+ dump_edge_info, count_reg_references): Likewise.
+
+ * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
+ fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
+ Likewise.
+
+ * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
+ oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
+ add_label_notes): Likewise.
+
+ * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
+ clear_struct_flag, count_sub_rtxs, count_alternatives,
+ compares_alternatives_p, contained_in_p, walk_attr_value,
+ write_expr_attr_cache): Likewise.
+
+ * genconfig.c (walk_insn_part): Likewise.
+
+ * genemit.c (max_operand_1, gen_exp): Likewise.
+
+ * genextract.c (walk_rtx): Likewise.
+
+ * genflags.c (num_operands): Likewise.
+
+ * genoutput.c (scan_operands): Likewise.
+
+ * genpeep.c (match_rtx): Likewise.
+
+ * genrecog.c (add_to_sequence): Likewise.
+
+ * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
+ Likewise.
+
+ * integrate.c (save_constants, copy_for_inline,
+ copy_rtx_and_substitute, subst_constants, restore_constants):
+ Likewise.
+
+ * jump.c (mark_jump_label, invert_exp, redirect_exp,
+ rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
+
+ * local-alloc.c (contains_replace_regs, memref_referenced_p):
+ Likewise.
+
+ * loop.c (record_excess_regs, rtx_equal_for_loop_p,
+ add_label_notes, replace_call_address, count_nonfixed_reads,
+ invariant_p, find_single_use_in_loop, find_mem_givs,
+ find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
+ Likewise.
+
+ * print-rtl.c (reg_names, print_rtx): Likewise.
+
+ * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
+
+ * reg-stack.c (stack_regs_mentioned_p, record_label_references,
+ record_reg_life_pat, swap_rtx_condition, goto_block_pat,
+ print_blocks): Likewise.
+
+ * regclass.c (fix_register, record_address_regs,
+ reg_scan_mark_refs): Likewise.
+
+ * regmove.c (stable_but_for_p): Likewise.
+
+ * reload.c (loc_mentioned_in_p, operands_match_p,
+ find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
+ copy_replacements, refers_to_regno_for_reload_p,
+ refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
+ reload_when_needed_name, reg_class_names, debug_reload_to_stream):
+ Likewise.
+
+ * reload1.c (eliminate_regs, scan_paradoxical_subregs,
+ delete_address_reloads_1, count_occurrences,
+ reload_cse_mem_conflict_p, reload_combine_note_use,
+ add_auto_inc_notes): Likewise.
+
+ * resource.c (mark_referenced_resources, mark_set_resources):
+ Likewise.
+
+ * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
+ reg_mentioned_p, regs_set_between_p, modified_between_p,
+ modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
+ rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
+ may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
+ jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
+
+ * sched.c (sched_analyze_2, attach_deaths): Likewise.
+
+ * stupid.c (stupid_mark_refs): Likewise.
+
+ * unroll.c (remap_split_bivs): Likewise.
+
+ * varasm.c (mark_constants): Likewise.
+
+ * a29k/a29k.c (uses_local_reg_p): Likewise.
+
+ * alpha/alpha.c (summarize_insn): Likewise.
+
+ * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
+ eliminate_lr2ip): Likewise.
+
+ * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
+
+ * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
+ reg_mentioned_in_mem): Likewise.
+
+ * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
+ symbolic_reference_mentioned_p): Likewise.
+
+ * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
+
+ * sh/sh.c (regs_used, mark_use): Likewise.
+
+ * vax/vax.c (vax_rtx_cost): Likewise.
+
+Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * machmode.h (mode_name): Constify a char*.
+
+ * rtl.c (mode_name): Likewise.
+
+ * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
+
+ * optabs.c (init_libfuncs): Constify a char*.
+
+ * print-tree.c (mode_name): Remove redundant declaration.
+ (print_node): Use accessor macro, not `mode_name'.
+
+ * reload1.c (dump_needs): Constify a char*. Use accessor macro,
+ not `mode_name'.
+ (new_spill_reg): Constify a char*.
+
+ * tree.c (mode_name): Remove redundant declaration.
+
+Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.c (rtx_name): Constify a char*.
+
+ * rtl.h (rtx_name, fix_sched_param): Likewise.
+
+ * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
+ (mypr): Use accessor macro, not `rtx_name'.
+
+ * genemit.c (print_code): Constify a char*.
+
+ * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
+
+ * genpeep.c (print_code): Constify a char*.
+
+ * genrecog.c (print_code): Likewise.
+
+ * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
+ end_bb): Add static prototype.
+ (draw_edge): Constify a char*.
+ (end_bb): Remove unused parameter.
+
+ * haifa-sched.c (fix_sched_param, safe_concat, print_exp
+ print_block_visualization): Constify a char*.
+
+Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (c_get_alias_set): Update comment.
+
+1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * linux.h (LIB_SPEC): Added.
+
+Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
+
+1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * tree.c (expr_check): Fix typo in last change.
+
+1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
+
+ * rtl.def (NOTE): Change format to "iuu0n".
+ (ADDR_DIFF_VEC): Change format to "eEee0".
+ (ADDRESSOF): Change format to "eit".
+
+ * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
+ (RTVEC_ELT): Change to match.
+ (XVECEXP): Use XVEC and RTVEC_ELT.
+ (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
+ ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
+ (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
+ CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
+ TRAP_CONDITION, TRAP_CODE): Use XEXP.
+ (INTVAL): Use XWINT.
+ (ADDRESSOF_DECL): Use XTREE.
+ (SET_ADDRESSOF_DECL): Delete.
+ (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
+ NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
+ ifdefed out since 2.6 at least.
+ (gen_rtvec_vv): Delete prototype.
+
+ * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
+ not rtunion.
+ (copy_most_rtx): Handle 't' format letter.
+ * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
+ (gen_rtvec_vv): Delete function. All callers changed to use
+ gen_rtvec_v instead.
+ * print-rtl.c (print_rtx): Move special casing of NOTEs to
+ the '0' format letter.
+
+ * function.c (gen_mem_addressof): Don't use
+ SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
+ instead.
+ * integrate.c (copy_rtx_and_substitute): Likewise.
+ Copy 't' slots with XTREE.
+ (subst_constants): Treat 't' slots like '[swi]' slots.
+ * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
+ * jump.c (rtx_equal_for_thread_p): Likewise.
+ * rtlanal.c (rtx_equal_p): Likewise.
+ * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
+ only four arguments.
+ * gengenrtl.c (type_from_format): Provide correct types for
+ 'b' and 't' slots.
+
+
+ * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
+ If a recent gcc is in use (always in stage2 and beyond), use
+ statement expressions, so we don't make a function call unless
+ the check fails. Evaluate arguments exactly once.
+ (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
+ TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
+ Delete.
+ (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
+ they evaluate their arguments exactly once, irrespective of
+ the compiler in use.
+
+ * tree.c [ENABLE_CHECKING]: Define whichever set of functions
+ is used by the currently-enabled check macros. This is:
+ (tree_check_failed, tree_class_check_failed): For gcc.
+ (tree_check, tree_class_check, cst_or_constructor_check,
+ expr_check): For other compilers.
+
+ * gencheck.c: Do not define any *_CHECK1 macros.
+
+Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
+ Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.c (c_get_alias_set): Fix support for pointers and
+ references.
+
+Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
+
+ * alias.c: Include tree.h.
+ (nonlocal_reference_p, mark_constant_function): New functions.
+ * flow.c (life_analysis): Call mark_constant_function.
+ * rtl.h (mark_constant_function): Declare it.
+
+Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
+ unrecognizable switches.
+
+Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (recombine_givs): Set ix field after sorting.
+ (recombine_givs): Remove bogus index / giv lockstep looping.
+
+Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
+ on CODE.
+ (emit_store_flag_force): Use do_compare_rtx_and_jump.
+ (do_cmp_and_jump): Formatting fixes.
+ * expr.c (do_compare_and_jump): Renamed from compare; changed to call
+ do_compare_rtx_and_jump instead of compare_from_rtx.
+ (do_compare_rtx_and_jump): New function; mostly copied from
+ compare_from_rtx.
+ (do_jump_for_compare): Delete.
+ (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
+ MIN_EXPR.
+ (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
+ of compare/do_jump_for_compare pairs.
+ (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
+ (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
+ compare_from_rtx/do_jump_for_compare pairs.
+ (do_jump_by_parts_equality): Likewise.
+ (do_jump_by_parts_equality_rtx): Likewise.
+ * expr.h (do_compare_rtx_and_jump): Declare.
+ * optabs.c (prepare_cmp_insn): New function, contains most of the code
+ that used to be in emit_cmp_insn.
+ (cmp_available_p): New function.
+ (prepare_operand): New function.
+ (emit_cmp_and_jump_insn_1): New function, contains some code that used
+ to be in emit_cmp_insn.
+ (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
+ parameters to be pointers; don't emit final compare but modify some of
+ the values pointed to by the args so the caller can perform the
+ correct comparison.
+ (expand_binop): Call emit_store_flag_force with signed forms of
+ comparison code.
+ (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
+ emit_jump_insn pair.
+ (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
+ emit_cmp_and_jump_insn_1. Call emit_queue.
+ (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
+ arg.
+ * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
+ jump sets cc0 before deleting it.
+ * integrate.c (expand_inline_function): Likewise.
+ * unroll.c (unroll_loop): Similar changes in several places.
+ (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
+ before deleting it.
+
+Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * Makefile.in (insn-recog.o): Update dependencies.
+ * genrecog.c (main): Make generated file include "function.h".
+
+Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * cse.c (cse_insn): Call never_reached_warning when a jump is
+ changed to be unconditional.
+ * flags.h: Declare warn_notreached.
+ * flow.c (delete_block): Call never_reached_warning when
+ a block is deleted.
+ * jump.c (delete_barrier_successors): Call never_reached_warning
+ when we delete everything after a BARRIER.
+ (never_reached_warning): New function.
+ * rtl.h: Declare never_reached_warning.
+ * toplev.c (warn_notreached): New variable.
+ (lang_independent_options): Set warn_notreached
+ when -Wunreachable-code.
+ (compile_file): We need line numbers for -Wunreachable-code.
+
+Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * haifa-sched.c (insn_unit): Fix typo on out of range test.
+ * sched.c (insn_unit): Likewise.
+
+Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
+
+ * combine.c (distribute_notes): Handle REG_EH_RETHROW.
+
+Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * flow.c (create_edge_list): Use xmalloc, not malloc.
+
+Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
+
+ * fixinc/inclhack.def (no_double_slash): Do not trash single-line
+ C-style comments. Do not lose the character before double slash.
+
+Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * basic-block.h (struct edge_list): Stucture to maintain a vector
+ of edges.
+ (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
+ INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
+ (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
+ New function prototypes.
+ * flow.c (create_edge_list): Function to create an edge list.
+ (free_edge_list): Discards memory used by an edge list.
+ (print_edge_list): Debug output showing an edge list.
+ (verify_edge_list): Internal consistency check for an edge list.
+ (find_edge_index): Function to find an edge index for a pred and succ.
+
+Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (type_hash_add): Use permalloc to allocate nodes in the
+ hashtable.
+
+Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
+
+ * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
+
+Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
+
+Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
+
+ * toplev.c (rest_of_compilation): Allow machine dependent
+ reorganization pass to place information into the RTL dump
+ file if it so wishes.
+
+Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
+
+ * explow.c (hard_function_value): Use VOIDmode instead of
+ MAX_MACHINE_MODE.
+ * stmt.c (expand_return): Likewise.
+ * stor-layout.c (get_best_mode): Likewise.
+
+ * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
+ emit call instead of emit_insn call.
+
+Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * configure.in: Handle --disable/enable-win32-registry.
+ * install.texi: Document --disable/enable-win32-registry.
+ * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
+ (WIN32_REGISTRY_KEY): New macro.
+ * prefix.c: Use to enable/disable win32-specific code.
+ (lookup_key): Use versioned key.
+ * configure: Regenerate.
+ * config.in: Likewise.
+
+Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * cpplib.c (read_line_number): New fn, split out of...
+ (do_line): Here.
+
+Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ tree.c (lang_unsave_expr_now) : New.
+ (unsave_expr_now): Call lang_unsave_expr_now.
+ tree.h (lang_unsave_expr_now) : New.
+
+Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (flag_new_exceptions): On by default.
+
+1999-08-13 Michael Meissner <meissner@cygnus.com>
+
+ * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
+
+Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * dwarfout.c (fundamental_type_code): Return FT_boolean for
+ INTEGER_TYPE with precision==1, it's __java_boolean.
+
+Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * global.c (prune_preferences): Move some invariants out of the
+ inner loop.
+
+Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
+
+ * configure.in (alpha*-dec-osf*): Add osf5.
+
+Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
+
+ * configure.in: Rework handling of ARM GNU/Linux slightly.
+ (arm*-*-linux-gnuoldld): New target.
+ * configure: Regenerate.
+ * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
+ arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
+ * config/arm/linux-oldld.h: New file.
+ * config/arm/linux-elf26.h: Don't include linux-elf.h.
+ (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
+ Don't define.
+ * config/arm/linux-elf.h (ASM_SPEC): Define.
+ (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
+ SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
+ for 26-bit APCS and old linker.
+ (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
+ `arm_elf'.
+ (FP_DEFAULT): Define to FP_SOFT3 for all machines.
+ * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
+ don't define `arm' or `arm_elf'.
+ * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
+ MULTILIB_DIRNAMES): Define. Fix typo in comment.
+
+Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
+
+ * rtl.texi: Fix typo.
+
+Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * invoke.texi (C++ Dialect Options): Add -fms-extensions.
+
+Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * extend.texi (C++ Signatures): Remove node.
+ * invoke.texi: Remove discussion of -fhandle-signatures,
+ signature, sigof, __signature__, and __sigof__.
+
+Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (JAVAGC): Removed.
+
+Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
+
+1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
+
+1999-08-11 Richard Earnshaw (rearnsha@arm.com)
+
+ * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
+ a register that is already known to be a pointer.
+
+1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/inclhack.tpl: Only install assert.h conditionally.
+ * fixinc/inclhack.sh: Regenerated.
+ * fixinc/fixincl.sh: Regenerated.
+
+Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
+
+ * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
+ Fix documentation of -ansi flag to describe its C++ behavior.
+ Remove bogus reference to GCC 2.9.
+
+Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
+ note if it is non-NULL.
+
+Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * except.h (eh_nesting_info): Add new structure definition.
+ (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
+ (reachable_handlers, update_rethrow_references): Add function
+ prototypes.
+ * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
+ a rethrow symbol instead of an integer exception region number.
+ * flow.c (Make_edges): Use new exception nesting routines to determine
+ which handlers are reachable from a CALL or asynchronous insn.
+ Don't add an edge for calls with a REG_EH_REGION of -1 to non-local
+ goto receivers.
+ (delete_eh_regions): Update rethrow labels, and don't delete
+ regions which are the target of a rethrow.
+ * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
+ avoid overloading the SYMBOL_REF_USED flag.
+ (rethrow_symbol_map): Use new rethrow_ref field.
+ (rethrow_used): Use new rethrow_ref field.
+ (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
+ of an integer. Fix formatting.
+ (output_exception_table_entry): Use new rethrow_ref field.
+ (can_throw): Check for EH_REGION_NOTE before deciding
+ whether a CALL can throw or not.
+ (scan_region): Call rethrow_used() instead of accessing data structure.
+ (update_rethrow_references): New function to make sure only regions
+ which are still targets of a rethrow are flagged as such.
+ (process_nestinfo): New static function to initialize a handler
+ list for a specific region.
+ (init_eh_nesting_info): New function to allocate and initialize
+ the list of all EH handlers reachable from all regions.
+ (reachable_handlers): New function to retrieve the list of handlers
+ reachable from a specific region and insn.
+ (free_eh_nesting_info): New function to dispose of a list of
+ reachable handlers.
+
+Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * flow.c (split_edge): Set JUMP_LABEL field.
+ (commit_one_edge_insertion): Set head correctly for insert_before.
+ When inserting insns, update insn block numbers if allocated.
+
+Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
+ retry_incomplete_types): Add static prototype.
+ (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
+ dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
+ dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
+ dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
+ dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
+ Constify a char*.
+
+ * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
+ dwarf2out_start_source_file, dwarf2out_line): Likewise.
+
+Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (assemble_name): Constify a char*.
+
+ * varasm.c (UNIQUE_SECTION, assemble_start_function,
+ assemble_variable, assemble_name): Likewise.
+
+ * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
+
+ * arm/pe.c (arm_pe_unique_section): Likewise.
+
+ * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
+
+ * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
+
+ * i386/interix.c (i386_pe_unique_section): Likewise.
+
+ * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
+
+ * i386/winnt.c (i386_pe_unique_section): Likewise.
+
+ * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
+
+ * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
+
+ * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
+
+ * pa/pa.c (output_call): Likewise.
+
+ * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+ * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
+
+ * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
+ Likewise.
+
+ * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
+ Likewise.
+
+ * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+
+ * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
+ STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
+
+ * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
+
+Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
+
+Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree.h (lang_identify): Constify a char*.
+ (print_error_function): Add extern prototype. Constify a char*.
+
+ * c-lang.c (lang_identify): Constify a char*.
+
+ * objc/objc-act.c (lang_identify): Constify a char*.
+
+Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * genpeep.c (main): Make generated file include "function.h".
+ * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
+
+Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * Makefile.in: Update dependencies.
+ * alias.c: Include "function.h"
+ * c-decl.c: Likewise.
+ * caller-save.c: Likewise.
+ * calls.c: Likewise.
+ * combine.c: Likewise.
+ * cse.c: Likewise.
+ * explow.c: Likewise.
+ * final.c: Likewise.
+ * global.c: Likewise.
+ * graph.c: Likewise.
+ * local-alloc.c: Likewise.
+ * loop.c: Likewise.
+ * optabs.c: Likewise.
+ * profile.c: Likewise.
+ * recog.c: Likewise.
+ * regclass.c: Likewise.
+ * regmove.c: Likewise.
+ * reload.c: Likewise.
+ * reorg.c: Likewise.
+ * resource.c: Likewise.
+ * sched.c: Likewise.
+ * stupid.c: Likewise.
+ * config/1750a/1750a.c: Likewise.
+ * config/a29k/a29k.c: Likewise.
+ * config/arc/arc.c: Likewise.
+ * config/arm/arm.c: Likewise.
+ * config/arm/thumb.c: Likewise.
+ * config/c4x/c4x.c: Likewise.
+ * config/clipper/clipper.c: Likewise.
+ * config/convex/convex.c: Likewise.
+ * config/fx80/fx80.c: Likewise.
+ * config/i860/i860.c: Likewise.
+ * config/m68k/m68k.c: Likewise.
+ * config/m88k/m88k.c: Likewise.
+ * config/mips/mips.c: Likewise.
+ * config/pdp11/pdp11.c: Likewise.
+ * config/pyr/pyr.c: Likewise.
+ * config/romp/romp.c: Likewise.
+ * config/sh/sh.c: Likewise.
+ * config/tahoe/tahoe.c: Likewise.
+ * config/vax/vax.c: Likewise.
+ * config/we32k/we32k.c: Likewise.
+ * config/sparc/sparc.c: Include "function.h".
+ (mem_min_alignment): Test current_function rather than
+ regno_pointer_align.
+ * config/pa/pa.c: Likewise.
+ (compute_frame_size): Delete declaration of
+ current_function_outgoing_args_size.
+ * config/arc/arc.h (current_function_varargs): Delete declaration.
+ * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
+ declaration.
+ * config/i370/i370.h (current_function_outgoing_args_size): Delete
+ declaration.
+ * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
+ current_function_uses_pic_offset_table.
+ * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
+ of current_function_returns_pointer.
+ * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
+ * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
+ * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
+ * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
+ * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
+ * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
+ * config/m88k/m88k.c: Include "function.h"
+ (call_used_regs, current_function_pretend_args_size,
+ current_function_outgoing_args_size, frame_pointer_needed): Delete
+ declarations.
+ * config/m88k/m88k.h (current_function_pretend_args_size): Delete
+ declaration.
+ * config/mips/mips.h (current_function_calls_alloca): Delete
+ declaration.
+ * config/mn10200/mn10200.h (current_function_needs_context,
+ rtx_equal_function_value_matters): Delete declarations.
+ * config/ns32k/ns32k (current_function_uses_pic_offset_table,
+ flag_pic): Delete declarations.
+ * config/pa/pa.h (current_function_pretend_args_size,
+ current_function_decl): Delete declarations.
+ * config/pa/som.h (current_function_varargs): Delete declaration.
+ * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
+ declaration.
+ * config/pyr/pyr.h (current_function_pretend_args_size,
+ current_function_args_size, current_function_calls_alloca): Delete
+ declarations.
+ * config/sh/sh.h (current_function_varargs): Delete declaration.
+ * config/sparc/sparc.h (current_function_outgoing_args_size,
+ current_function_calls_alloca, current_function_decl): Delete
+ declarations.
+ * config/spur/spur.h (current_function_pretend_args_size,
+ current_function_calls_alloca): Delete declarations.
+ * config/v850/v850.c (current_function_outgoing_args_size): Delete
+ declaration.
+ * config/vax/vms.h (current_function_name): Delete declaration.
+ * gcse.c: Include "function.h".
+ (current_function_name, current_function_calls_setjmp): Delete
+ declarations.
+ * haifa-sched.c: Include "function.h".
+ (forced_labels): Delete declaration.
+ * jump.c: Likewise.
+ * reg-stack.c: Likewise.
+ * reload1.c: Likewise.
+ * genemit.c (main): Make generated file include function.h.
+ * genoutput.c (output_prologue): Likewise.
+
+ * builtins.c (saveregs_value, apply_args_value): Delete variables.
+ * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
+ sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
+ regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
+ regno_reg_rtx, sequence_stack): Delete variables. Add accessor
+ macros for some of them.
+ (emit_filename, emit_lineno): Delete declarations.
+ (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
+ regno_pointer_* variables through current_function.
+ (gen_inline_header_rtx): Delete function.
+ (save_emit_status): Delete function.
+ (set_new_last_label_num): New function.
+ (clear_emit_caches): New function.
+ (restore_emit_status): Just clear last_labelnum and call
+ clear_emit_caches.
+ (get_last_insn_anywhere): Variable sequence_stack is now accessed
+ through macro seq_stack.
+ (add_insn_after): Likewise.
+ (add_insn_before): Likewise.
+ (remove_insn): Likewise.
+ (pop_topmost_sequence): Likewise.
+ (in_sequence_p): Likewise.
+ (start_sequence_for_rtl_expr): Likewise.
+ (start_sequence): Likewise, and likewise for
+ sequence_rtl_expr/seq_rtl_expr.
+ (push_topmost_sequence): Likewise.
+ (end_sequence): Likewise.
+ (init_virtual_regs): Now takes a "struct emit_status *" argument.
+ All callers changed. Store into that pointer instead of globals.
+ (init_emit): Allocate emit elt of current_function.
+ Changes for sequence_rtl_expr/sequence_stack renaming.
+ Call clear_emit_caches instead of doing it in-line.
+ Access regno_pointer_* variables through current_function.
+ (init_emit_once) Don't clear sequence_stack.
+
+ * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
+ Delete variables.
+ (arg_pointer_save_area): Delete declaration.
+ (finish_expr_for_function): Renamed from init_queue; no longer static.
+ (init_expr): Don't call init_queue.
+ (save_expr_status, restore_expr_status): Delete functions.
+ (expand_expr): Changes to reflect new layout of struct function.
+ Don't access current_function_check_memory_usage when current_function
+ is 0.
+ * expr.h (forced_labels, save_expr_regs, saveregs_value,
+ apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
+ current_function_outgoing_args_size, current_function_arg_offset_rtx,
+ current_function_uses_const_pool, function_call_count,
+ current_function_uses_pic_offset_table, nonlocal_labels,
+ current_function_internal_arg_pointer, nonlocal_goto_stack_level,
+ current_function_check_memory_usage, nonlocal_goto_handler_slots,
+ pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
+ declarations.
+ (finish_expr_for_function): Declare.
+ * flags.h (current_function_has_nonlocal_label,
+ current_function_has_nonlocal_goto, current_function_is_thunk,
+ current_function_has_computed_jump): Delete declarations.
+ * flow.c (forced_labels): Delete declaration.
+ * function.c (current_function_pops_args,
+ current_function_returns_struct, current_function_returns_pcc_struct,
+ current_function_needs_context, current_function_calls_setjmp,
+ current_function_calls_longjmp, current_function_has_nonlocal_label,
+ current_function_has_nonlocal_goto, current_function_is_thunk,
+ current_function_has_computed_jump, current_function_calls_alloca,
+ current_function_contains_functions, current_function_returns_pointer,
+ current_function_epilogue_delay_list, current_function_args_size,
+ current_function_pretend_args_size, current_function_arg_offset_rtx,
+ current_function_outgoing_args_size, current_function_varargs,
+ current_function_stdarg, current_function_args_info, cleanup_label,
+ current_function_name, current_function_uses_const_pool,
+ current_function_instrument_entry_exit, current_function_return_rtx,
+ current_function_uses_pic_offset_table, nonlocal_labels,
+ current_function_internal_arg_pointer, current_function_cannot_inline,
+ current_function_check_memory_usage, function_call_count,
+ nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
+ nonlocal_goto_stack_level, return_label, save_expr_regs,
+ stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
+ tail_recursion_reentry, arg_pointer_save_area, frame_offset,
+ context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
+ last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
+ temp_slot_level, var_temp_slot_level, target_temp_slot_level):
+ Delete variables.
+ (push_function_context_to): Don't save them. Don't call
+ save_storage_status, save_emit_status or save_expr_status.
+ (pop_function_context_from): Don't restore them. Don't call
+ restore_storage_status or restore_expr_status.
+ (get_func_frame_size): New function.
+ (get_frame_size): Use it.
+ (assign_outer_stack_local): Reflect some member name changes in struct
+ function.
+ (put_reg_into_stack): Likewise.
+ (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
+ seq_rtl_expr.
+ (fixup_var_refs): Likewise.
+ (fix_lexical_addr): Likewise.
+ (trampoline_address): Likewise.
+ (prepare_function_start): Clear field inlinable of current_function.
+ (init_function_for_compilation): New function.
+ (expand_dummy_function_end): New function.
+ (expand_function_end): Call finish_expr_for_function.
+ * function.h (struct emit_status): New; fields moved here from struct
+ function and from global variables. Add accessor macros for some of
+ the fields.
+ (struct expr_status): Likewise.
+ (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
+ (struct function): Add fields expr and emit, inlinable, inl_emit,
+ original_arg_vector, original_decl_initial, inl_last_parm_insn,
+ inl_max_label_num. Add many comments.
+ Add accessor macros for all elts of struct function that no longer
+ have a global variable.
+ (cleanup_label, return_label, frame_offset, tail_recursion_label,
+ tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
+ stack_slot_list): Delete declarations.
+ (get_func_frame_size): Declare.
+ (save_expr_status, restore_expr_status, save_emit_status,
+ save_storage_status, restore_storage_status): Delete declarations.
+ (init_virtual_regs): Declare.
+ * output.h (current_function_pops_args,
+ current_function_returns_struct, current_function_returns_pcc_struct,
+ current_function_needs_context, current_function_calls_setjmp,
+ current_function_calls_longjmp, current_function_calls_alloca,
+ current_function_has_nonlocal_label, current_function_varargs,
+ current_function_has_computed_jump, current_function_returns_pointer,
+ current_function_contains_functions, current_function_args_size,
+ current_function_pretend_args_size, current_function_stdarg,
+ current_function_outgoing_args_size, current_function_args_info,
+ current_function_name, current_function_return_rtx,
+ current_function_epilogue_delay_list,
+ current_function_uses_const_pool, current_function_cannot_inline):
+ Delete declarations.
+ * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
+ regno_reg_rtx): Delete declaration.
+ (REGNO_POINTER_FLAG): Delete macro.
+ * stmt.c (expand_goto): Changes to reflect that some fields in struct
+ function were renamed.
+ * stor-layout.c (save_storage_status, restore_storage_status): Delete
+ functions.
+ * toplev.c: Include "function.h".
+ (current_function_decl): Delete declaration.
+ (compile_file): Call init_dummy_function_start and
+ expand_dummy_function_end around some initializations that need to
+ emit rtl.
+ (rest_of_compilation): Use DECL_SAVED_INSNS properly.
+ Call init_function_for_compilation.
+ * unroll.c: Include "function.h"
+ (unroll_loop): Access regno_pointer_* variables through
+ current_function.
+
+ * tree.h (struct tree_decl): Add elt f to saved_insns member.
+ (DECL_SAVED_INSNS): use it.
+ (expand_dummy_function_end): Declare.
+ (init_function_for_compilation): Declare.
+ * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
+ that it's no longer an INLINE_HEADER.
+ (expand_call): Likewise.
+ * integrate.c (finish_inline): Delete function.
+ (max_parm_reg, parm_reg_stack_loc): Delete declarations.
+ (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
+ args. Don't generate an INLINE_HEADER rtx, just return the arg
+ vector. All callers changed.
+ (save_for_inline_copying): Create a duplicate struct emit_status to
+ hold the emit state for compiling the current function. Use this and
+ the other new fields in struct function that are for integration
+ instead of an INLINE_HEADER.
+ Use memcpy instead of bcopy.
+ Store the current struct function in DECL_SAVED_INSNS of fndecl.
+ (save_for_inline_nocopy): Similar changes, except no new emit_status
+ is needed here.
+ (expand_inline_function): Get information from function structure,
+ not from an inline header rtx.
+ (output_inline_function): Lose code to extract the necessary
+ information from an inline header; simply put back the function
+ structure into current_function. Clear its inlinable elt.
+ * rtl.def (INLINE_HEADER): Delete.
+ * rtl.h: Delete all accessors for an INLINE_HEADER.
+ (gen_inline_header_rtx): Delete declaration.
+ (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
+ Delete declarations.
+ (REGNO_POINTER_ALIGN): Delete.
+ (clear_emit_caches): Declare.
+ (set_new_last_label_num): Declare.
+
+Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * print-tree.c (print_node): Print base for OFFSET_TYPEs.
+
+ * except.c (expand_eh_region_start_for_decl): Always start a new block.
+ * stmt.c (is_eh_region): Make sure current_function is present, too.
+
+Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
+ for 64bit PA targets.
+
+ * pa.h (SELECT_SECTION): Define.
+ * som.h (SELECT_SECTION): Delete.
+
+Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alias.c (init_alias_analysis): Wrap call to
+ `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
+
+1999-08-07 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
+ <sys/asm.h> contains an asm comment with an apostrophe
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
+
+ * function.c (init_function_start): Clear prologue & epilogue.
+ (prologue_epilogue_contains): New function.
+ * alias.c (init_alias_analysis): Use it.
+ * rtl.h (prologue_epilogue_contains): Declare it.
+
+Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (onlyjump_p): New function.
+ * rtl.h: Declare it.
+ * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
+ of condjump_p in calling tidy_fallthru_edge and merge_blocks.
+
+Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
+
+ * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
+ to invert loops. Simplify block scanning.
+
+Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
+ (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
+
+1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
+
+ * config/sparc/liteelf.h: New file to support sparclite-elf target
+ * config/sparc/t-sp86x: New file to support sparc86x targets
+ * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
+ * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
+ * configure.in: Support above target triplets
+ * configure: Regenerated
+
+Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * fixinc/server.c (server_setup): Do not prefix function used as
+ parameter with `&'.
+
+Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
+ Remove fp reg alternatives.
+
+Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefiin (TAROUTOPTS): Kill.
+ (install-headers-tar): Use "xpf" for tar headerfile extraction
+ * i370/x-oe (TAROUTOPTS): Delete.
+ * m68k/x-apollo68 (TAROUTOPTS): Delete.
+ * m68k/x-hp320 (TAROUTOPTS): Delete.
+ * m68k/x-hp320g (TAROUTOPTS): Delete.
+ * gcc.texi: Update bug reporting text.
+
+1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * reg-stack.c (change_stack) Fixed problem with negative array index.
+
+Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * extend.texi, install.texi: Fix spelling mistakes.
+
+ * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
+ (s-attrtab); No longer try to use pre-made insn-attrtab file.
+ * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
+ PREMADE_ATTRTAB_MD.
+ * mips/t-ecoff: Likewise.
+ * mips/t-elf: Likewise.
+ * mips/t-mips: Likewise.
+ * mips/t-osfrose: Likewise.
+ * mips/t-r3900: Likewise.
+ * mips/t-svr3: Likewise.
+ * mips/t-svr4: Likewise.
+ * mips/t-ultrix: Likewise.
+
+ * gcc.texi: Document recommend means to provide software floating
+ point libraries in libgcc.a
+
+1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-lex.c (yylex): We can have a number with no digits.
+
+Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
+
+ * jump.c (delete_prior_computation): New function, broken
+ out of delete_computation. Check for side effects with
+ side_effects_p instead of FIND_REG_INC_NOTE. Handle
+ multi-word hard registers.
+ (delete_computation): Use it. Check for side effects with
+ side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
+ missing REG_DEAD note for a register which is both set and
+ used by an insn.
+
+Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
+
+ * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
+ (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
+ (ASM_FILE_START): Import _mcount with the right type.
+ (ASM_DECLARE_FUNCTION_NAME): Define.
+ (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
+ * pa.c (output_function_prologue): Always emit the function's label
+ here.
+ * pa.h (TEXT_SPACE_P): Define.
+ (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
+ (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
+ * som.h (TEXT_SPACE_P): Delete.
+ (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
+ (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
+
+Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (emit_group_load): Allow src to be a CONCAT.
+
+Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
+ (___mulsi3): Use '!' comment character.
+
+Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
+
+Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcc.c: Update URLs and mail addresses.
+ * gcc.texi: Likewise.
+
+Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
+
+ * rs6000.c (current_file_function_operand): Return zero for
+ weak functions.
+ (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
+ weak symbols.
+ * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
+ for weak symbols.
+
+Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
+
+ * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
+ allocate space in the stack frame for the PIC register.
+
+Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
+
+ * m68k.md (xordi3, anddi3): These patterns are not available on
+ the coldfire.
+
+Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
+ (PUT_REAL): Likewise.
+
+Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * final.c (shorten_branches): Don't add an alignment for loops
+ that have no label inside.
+
+Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
+ prototypes in macro HAVE_cmpstrsi.
+
+ * cpplib.c (cpp_get_token): Remove unused label `op3'.
+
+ * emit-rtl.c (operand_subword): Remove unused variable
+ `bits_per_word'.
+
+ * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
+
+ * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
+
+Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
+
+ * cpphash.c (macroexpand): Delete leading whitespace when arg
+ is concatenated before.
+ (unsafe_chars): Correct test for whether + and - can extend a
+ token.
+
+ * cppinit.c (cpp_start_read): Do dependencies for
+ -include/-imacros files also.
+
+ * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
+ tokenizing non-directive lines.
+ (cpp_expand_to_buffer): Temporarily disable no-output mode.
+ * cppmain.c: In no-output mode, just call cpp_scan_buffer for
+ the input file.
+
+Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
+
+ * c-lex.c: Sync with C++ frontend.
+ (linemode): New variable.
+ (parse_float): imag, conversion_errno, and type are output only.
+ (yylex): Adjust. Move initial '.' case into main switch.
+ Use linemode.
+ (handle_generic_pragma): Just deal with tokens.
+ (readescape): Use ISXDIGIT and ISGRAPH.
+ * c-parse.in: Add END_OF_LINE token.
+
+ * c-lex.c (lang_init): Generalize.
+ (nextchar): Remove. Replace uses with UNGETC.
+ (skip_white_space): Handle linemode here. Optimize for cpplib.
+ (skip_white_space_on_line): Remove.
+ (extend_token_buffer_to): New fn.
+ (extend_token_buffer): Use it.
+ (read_line_number, check_newline): Just deal with tokens.
+ (token_getch, token_put_back): New fns.
+ (yylex): Use them. More cpplib optimizations. Simplify.
+
+Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
+ Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
+ (consume_string): Make this smart about USE_CPPLIB.
+ (check_newline): Rewrite to be intelligent about USE_CPPLIB.
+ (yylex): Rewrite to be intelligent about USE_CPPLIB.
+ Also, clean up cases where we redundantly set token_buffer[0].
+ (read_line_number): New fn.
+ (ignore_escape_flag): New variable.
+
+Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
+
+ * a29k/t-a29kbare: Fix some comments.
+ (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
+ (FPBIT, DPBIT): Define.
+ * a29k/t-vx29k: Likewise.
+ * arc/t-arc: Likewise.
+ * arm/t-arm-elf: Likewise.
+ * arm/t-bare: Likewise.
+ * arm/t-pe: Likewise.
+ * arm/t-pe-thumb: Likewise.
+ * arm/t-semi: Likewise.
+ * arm/t-thumb: Likewise.
+ * arm/t-thumb-elf: Likewise.
+ * arm/t-thumb-linux: Likewise.
+ * h8300/t-h8300: Likewise.
+ * i960/t-i960: Likewise.
+ * i960/t-vxworks960: Likewise.
+ * m32r/t-m32r: Likewise.
+ * mips/t-ecoff: Likewise.
+ * mips/t-elf: Likewise.
+ * mips/t-r3900: Likewise.
+ * pa/t-pro: Likewise.
+ * rs6000/t-aix43: Likewise.
+ * rs6000/t-beos: Likewise.
+ * rs6000/t-newas: Likewise.
+ * rs6000/t-ppccomm: Likewise.
+ * rs6000/t-rs6000: Likewise.
+ * rs6000/t-winnt: Likewise.
+ * rs6000/t-xnewas: Likewise.
+ * rs6000/t-xrs6000: Likewise.
+ * sh/t-sh: Likewise.
+ * sparc/t-elf: Likewise.
+ * sparc/t-sparcbare: Likewise.
+ * sparc/t-sparclite: Likewise.
+ * sparc/t-splet: Likewise.
+ * v850/t-v850: Likewise.
+ * mn10200/t-mn10200: Fix comments.
+ * mn10300/t-mn10300: Likewise.
+
+ * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
+ dummy operand. Allocate a new pseudo for the dummy operand.
+ (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
+
+ * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
+
+Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
+
+ * configure: Rebuilt.
+ * configure.in: Removed --enable-java-gc option and JAVAGC subst.
+
+Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * recog.c (preproces_constraints): Zero recog_op_alt before
+ processing the constraints.
+
+ * arm.c (typedef minipool_node): Renamed from pool_node.
+ (minipool_vector, minipool_size, minipool_vector_label): Similarly.
+ (add_minipool_constant): New function.
+ (dump_minipool): New function.
+ (find_barrier): Remove special case for getting the insn size of
+ an insn that references the constant pool.
+ (minipool_fixup): New structure.
+ (push_minipool_barrier): New function.
+ (push_minipool_fix): New function.
+ (note_invalid_constants): New function.
+ (add_pool_constant, dump_table, fixit, broken_move): Delete.
+ (arm_reorg): Rewrite code to fix up the constant pool into a
+ series of mini-pools embedded in the insn stream.
+ (arm_output_epilogue): New function, made mainly from the body
+ of output_func_epilogue.
+ (output_func_epilogue): Move insn generation part of epilogue code
+ to arm_output_epilogue.
+ * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
+ * arm.md (pool_range): New attribute.
+ (zero_extendqidi2): Add attribute pool_range.
+ (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
+ extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
+ pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
+ movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
+ movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
+ (epilogue): New expand.
+ (epilogue_insn): New insn. Call arm_output_epilogue.
+
+ * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
+ * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
+
+Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
+
+1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
+
+Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
+
+Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
+
+ * global.c: Fix comment.
+
+Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
+
+ * gcc.c (access_check): New static function.
+ (find_a_file): Use it when searching a directory list.
+ * collect2.c (find_a_file): Don't accept directories found when
+ searching a directory list.
+
+Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * tlink.c (symbol_hash_lookup): Do not prefix functions used as
+ function parameters with `&'.
+ (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
+
+Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (delete_unreachable_blocks): Do not call merge_blocks
+ or tidy_fallthru_edge if the last insn in the block is not
+ an unconditional jump or a simple conditional jump.
+
+Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Makefile.in (c-decl.o): Depends on defaults.h.
+
+Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
+ PA1.1 and above.
+ (CLASS_MAX_NREGS): Likewise.
+
+Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_insn): Fix dumb thinko in last change.
+
+Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
+ "const char *".
+
+Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * dwarf2out.c (add_location_or_const_value_attribute): Correct
+ test for sizes of passed and declared parameter types.
+
+Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixincludes: Fix the return type of bsearch, char* -> void*.
+
+ * fixinc/inclhack.def: Likewise.
+
+Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi (-fdump-translation-unit): New option.
+
+Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
+
+ * expr.h (PROMOTE_PROTOTYPES): Move ...
+ * defaults.h: ... to here.
+ * c-decl.c: Include defaults.h instead of expr.h.
+ * c-typeck.c: Include defaults.h.
+
+Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.h (errorcount): Declare.
+ (warningcount): Likewise.
+ (sorrycount): Likewise.
+ * c-lex.c (errorcount): Don't declare.
+ * dwarf2out.c (errorcount): Don't declare.
+
+Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * config/libgloss.h: Add a note discouraging use with ELF.
+ * configure.in: Don't use libgloss.h for ELF targets.
+ Always use_collect2 on a.out targets.
+
+Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
+
+ * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
+ (force_to_mode, case ASHIFTRT): Add shiftrt label.
+
+Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): When doing biv->giv conversion, update
+ reg note of NEXT->insn.
+
+1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
+
+1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
+ PROMOTE_PROTOTYPES, so that it tests it as a C expression.
+ Ensure expr.h is included.
+ * c-typecheck.c (convert_arguments): Ditto.
+
+ * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
+
+ * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
+ * config/convex/convex.h: Ditto.
+ * config/dsp16xx/dsp16xx.h: Ditto.
+ * config/fx80/fx80.h: Ditto.
+ * config/gmicro/gmicro.h: Ditto.
+ * config/i370/i370.h: Ditto.
+ * config/i386/i386.h: Ditto.
+ * config/m32r/m32r.h: Ditto.
+ * config/m68k/m68k.h: Ditto.
+ * config/m88k/m88k.h: Ditto.
+ * config/mips/mips.h: Ditto.
+ * config/pa/pa.h: Ditto.
+ * config/pyr/pyr.h: Ditto.
+ * config/tahoe/tahoe.h: Ditto.
+ * config/we32k/we32k.h: Ditto.
+
+ * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
+ based on arch size.
+
+ * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
+
+ * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
+ from comment.
+
+ * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
+
+1999-08-02 Richard Henderson <rth@cygnus.com>
+
+ * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
+ for the register spill block.
+ (m32r_va_arg): New.
+ * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
+ (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
+
+ * m32r.h (INT8_P): Don't short-cut test with (unsigned).
+ (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
+ (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
+
+1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
+ MAX_WCHAR_TYPE defined in sparc.h.
+ * config/sparc/linuxaout.h: Likewise.
+ * config/sparc/linux64.h: Likewise.
+ Also default to -mvis if CPU is UltraSPARC.
+
+1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
+ (RTX_OK_FOR_OLO10): Likewise.
+ (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
+ %lo(), allow it in addresses...
+ (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
+ * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
+ does not make sense.
+ * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
+ (sparc_output_scratch_registers): New function.
+ (output_function_prologue, sparc_flat_output_function_prologue): Use
+ it.
+ * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
+ defined.
+ * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
+ * configure.in: Add check for .register pseudo-op support in as and
+ check for offsetable %lo().
+ * acconfig.h: Add templates for the above checks.
+ * configure: Regenerate.
+
+1999-08-02 Richard Henderson <rth@cygnus.com>
+
+ * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
+ * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
+ * sparc/sol2.h (TARGET_DEFAULT): Likewise.
+
+Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): When doing biv->giv conversion, fix up
+ reg_biv_class.
+
+1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * config/float-sparc.h: New file.
+ * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
+ sparc-*-linux-gnu and sparc64-*-linux*.
+
+1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.c (rs6000_va_list): Type is an array.
+ (rs6000_va_start): Don't doubly adjust for varargs.
+ (rs6000_va_arg): Evaluate long long GPR adjustment.
+
+Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
+ -maix64 and -maix32.
+ (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
+ LINK_SPEC): Change appropriately.
+ * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
+ (u_short_cint_operand): Likewise.
+ * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
+ for 64-bit hosts.
+ * rs6000/t-aix43 (MULTILIB): Change to -m64.
+
+ * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
+
+Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
+
+ * rs6000/rs6000.c (num_insns_constant_wide): Correct
+ for type promotion.
+ (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
+ (non_add_cint_operand): Likewise.
+ (logical_operand): Likewise.
+ (non_logical_cint_operand): Likewise.
+ (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
+ (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
+ (rs6000_select_rtx_section): Suppress warning.
+ (small_data_operand): Suppress warning.
+ (rs6000_got_register): Suppress warning.
+ * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
+ type, so `J' is generally the wrong constraint for a SImode value;
+ use `L' instead.
+ (andsi3_internal2): Likewise.
+ (andsi3_internal3): Likewise.
+ (iorsi3_internal1): Likewise.
+ (xorsi3_internal1): Likewise.
+ (movsi): Likewise.
+ (movsf_softfloat): Likewise.
+ (scc insns): Likewise.
+ (movsi+2): Preserve sign bits of SImode constant.
+ (floatsidf2_internal+1): Sign-extend SImode constant correctly.
+ (movdf+1): Sign-extend properly.
+ (movdi_32+1): Sign-extend properly.
+ (scc insns): Sign-extend properly.
+
+ * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
+ K, L, and T.
+
+1999-08-02 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
+ -mcpu parsing code.
+ (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
+ * alpha.md (all fp insns): Likewise.
+
+1999-08-02 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
+ already defined.
+
+Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (legitimize_pic_address): Clarify comments. Do not call the
+ pic_load_label generator directly.
+ * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
+ No longer a named pattern.
+
+Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
+
+ * explow.c (force_reg): Call force_operand if X does not
+ satisfy general_operand.
+
+Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fix-header.c (main): When testing for CONTINUED, use string
+ equality, not pointer equality.
+
+Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
+
+Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_insn): Fix loop which deletes insns after a jump
+ that has become an unconditional jump.
+
+ * m68k.c (output_function_prologue): Fix typo in CPU32 case.
+ (output_function_epilogue): Similarly.
+
+Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * tree.h (init_dummy_function_start): Declare.
+
+Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
+ last_expr_type, last_expr_value, block_start_count, block_stack,
+ stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
+ nesting_depth, goto_fixup_chain): Delete global vars; now allocated
+ dynamically in stmt elt of struct function for each function.
+ (struct nesting): Rename function_call_count elt to n_function_calls,
+ target_temp_slot_level to block_target_temp_slot_level. All users
+ changed.
+ (struct stmt_status): New structure definition.
+ Add many accessor macros for stmt_status elements which previously
+ were global variables.
+ (init_stmt_for_function): Allocate stmt elt for current_function.
+ Reflect that block_start_count was renamed to
+ current_block_start_count.
+ (save_stmt_status, restore_stmt_status): Delete functions.
+ (preserve_subexpressions_p): Don't access loop_stack when outside
+ a function.
+ (expand_start_bindings): Reflect that block_start_count was renamed to
+ current_block_start_count.
+ (expand_fixup): Likewise.
+ (expand_decl): Don't access block_stack when outside a function.
+ (expand_decl_cleanup): Likewise.
+ (expand_dcc_cleanup): Likewise.
+ (expand_dhc_cleanup): Likewise.
+ (expand_anon_union_decl): Likewise.
+ (set_file_and_line_for_stmt): New function.
+ (in_control_zone_p): New function.
+
+ * function.h (struct function): Add new elt stmt.
+ Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
+ case_stack, nesting_stack, nesting_depth, block_start_count,
+ last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
+ emit_lineno, goto_fixup_chain.
+ (save_eh_status, restore_eh_status, save_stmt_status,
+ restore_stmt_status): Delete declarations.
+ * function.c (push_function_context_to): Don't call save_stmt_status.
+ (pop_function_context_to): Don't call restore_stmt_status.
+ * tree.h (in_control_zone_p): Declare.
+ * rtl.h (set_file_and_line_for_stmt): Declare.
+
+ * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
+ call set_file_and_line_for_stmt.
+
+Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
+
+ * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
+ Also update copyright.
+
+Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-pragma.c: Don't include "except.h".
+ * emit-rtl.c: Likewise.
+ * stor-layout.c: Likewise.
+ * tree.c: Likewise.
+ * varasm.c: Likewise.
+
+ * flow.c: Include "function.h".
+ * tree.h (init_dummy_function_start): Declare new function.
+
+ * except.h (struct eh_status): New structure.
+ (struct label_node, struct eh_entry): Declare even if tree.h hasn't
+ been included.
+ (eh_return_stub_label, ehstack, catchstack, ehqueue,
+ catch_clauses, false_label_stack, caught_return_label_stack,
+ protect_list, current_function_ehc): Add accessor macros for the
+ corresponding fields in current_function->eh; delete declarations
+ for all items that used to be declared here.
+ * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
+ catch_clauses, false_label_stack, caught_return_label_stack,
+ protect_list, current_function_ehc): Delete variables.
+ (init_eh_for_function): Allocate current_function->eh.
+ (save_eh_status, restore_eh_status): Delete functions.
+
+ * function.h (struct function): Add fields next_global and eh.
+ Delete all exception handling related fields.
+ * function.c (current_function): New variable.
+ (all_functions): New variable.
+ (push_function_context_to): Don't allocate a struct function,
+ use current_function instead. Call init_dummy_function_start when
+ outside a function. Clear current_function before returning.
+ (pop_function_context_from): Restore current_function.
+ Don't free the restored struct function.
+ (prepare_function_start): New function.
+ (init_dummy_function_start): New function.
+ (init_function_start): Break out some code into prepare_function_start
+ and call it here.
+
+ * stmt.c (save_stmt_status): Don't call save_eh_status.
+ (restore_stmt_status): Don't call restore_eh_status.
+
+ * Makefile.in: Update dependencies.
+
+Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
+ of depending on a magic constant value. Update comments.
+ (hppa_expand_prologue): Similarly.
+
+ * pa.md (reload_indi, reload_outdi): Allow any register for the
+ original reload register.
+
+Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
+
+ * cccp.c (print_help): Change marcos to macros.
+
+1999-07-30 Richard Henderson <rth@cygnus.com>
+
+ * c-typeck.c (initializer_constant_valid_p): Move ...
+ * c-common.c (initializer_constant_valid_p): ... here. Use
+ FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
+ of label addresses.
+ * c-common.h (initializer_constant_valid_p): Declare.
+ * c-tree.h (initializer_constant_valid_p): Remove.
+
+Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
+
+ * config/i386/sol2-c1.asm: Align the stack.
+ * config/i386/sol2-gc1.asm: Likewise.
+
+1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
+
+ * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
+ -Asparclite for sparc86x.
+ (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
+ sparc86x.
+ (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
+
+Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
+ the user if using the non-default arch size in BI_ARCH configuration.
+ * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
+
+ * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
+ Fix patterns so that they actually match.
+ (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
+ (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
+ (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
+ TARGET_HARD_MUL32.
+ (mulsidi3): Reflect this in the expand.
+ (smulsi3_highpart): Only on TARGET_ARCH32.
+ (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
+ (const_umulsidi3_sp32): Renamed from const_umulsidi3.
+ (umulsidi3): Reflect this in the expand.
+ (umulsi3_highpart): Only on TARGET_ARCH32.
+ (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
+ don't require g0 to be zero.
+ (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
+ ({,u}divsi3): New expands.
+ ({,u}divsi3_sp64): New patterns.
+ (after lshrdi3_v8plus): Four new patterns to help combiner
+ optimizing nested mixed mode shifts.
+
+ * config/sparc/sparc.c (sparc_override_options): Use deprecated
+ v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
+ speed things up. Don't use them by default on plain v9 in 64bit
+ mode, according to what SPAMv9 sais.
+
+ * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
+ top 32 bits of %[og][0-7] in signal handlers.
+ Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
+
+Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (zvdep_imm32): Renamed from zvdep_imm.
+ (ashlsi3): Corresponding changes.
+
+ * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
+
+Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
+
+Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * arm.h (Hint): Delete macro.
+ Substitute HOST_WIDE_INT for Hint in some prototypes.
+ * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
+
+Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
+
+ * builtins.c (expand_builtin_setjmp): Use force_operand to
+ make sure that the buffer address is in a suitable form to be
+ passed to force_reg.
+
+Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
+
+ * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
+ them here.
+
+Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (indirect_jump): Remove mode from match_operand. Verify
+ proper mode in the condition string.
+ (icacheflush, dcacheflush): Remove modes from match_operands.
+
+ * pa.c (emit_move_sequence): Always convert scratch_reg to the
+ proper mode before using it.
+
+ * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
+ pair.
+
+ * pa.c (store_reg): Do not call add_high_const generator directly.
+ (load_reg, set_reg_plus_d): Likewise.
+ * pa.md (add_high_const): No longer a named pattern.
+
+ * pa.c (legitimize_address): Consistently use Pmode rather than
+ SImode. Do not call gen_pic2_highpart directly anymore.
+ * pa.md (pic2_highpart): No longer a named pattern.
+ (pic2_lo_sum): Similarly. Reformat to make more readable.
+
+ * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
+ needed.
+
+ * README: Update.
+
+Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
+
+Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
+
+ * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
+ and tag the spill mems.
+ (hppa_va_start): New.
+ (hppa_va_arg): New.
+ * pa.h (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+
+Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
+
+ * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
+ and tag the spill mems.
+ (mn10300_va_start): New.
+ (mn10300_va_arg): New.
+ * mn10300.h (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+
+Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
+
+ * mn10200.c (mn10200_va_arg): New.
+ * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
+
+Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
+ rather than play with TREE_INT_CST_LOW.
+
+1999-07-27 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/telf.h: Include dbxelf.h.
+ (CPP_PREDEFINES): Only define if not already defined.
+ (ASM_IDENTIFY_GCC): Likewise.
+ (SUBTARGET_EXTRA_SECTIONS): Likewise.
+ (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
+ * config/arm/thumb.h (LINK_SPEC): Only define if not already
+ defined.
+ (DBX_DEBUGGING_INFO): Don't define.
+ * config/arm/linux-telf.h: New file.
+ * config/arm/linux-tgas.h: New file.
+ * config/arm/t-thumb-linux: New file.
+ * config/arm/uclinux-elf.h: New file.
+ * config/arm/uclinux-telf.h: New file.
+ * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
+ thumb-*-uclinux): New targets.
+ * configure: Regenerate.
+
+Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (post_store, pre_load): New expanders.
+ (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
+ (post_ldwm, pre_stwm): Make these unnamed patterns since we never
+ need to directly generate RTL for them.
+ * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
+ changes.
+
+Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
+ * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
+ (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
+ (secndary_reload_class): Make TARGET_ELF conditional compile.
+ (print_operand_address): Similar.
+ (output_toc): Print all values as hex.
+ (get_issue_rate): Rearrange and add RS64A and PPC630.
+ * rs6000.h (processor_type): Add RS64A and PPC630.
+ (PROCESSOR_POWERPC64): New.
+ (PROMOTE_MODE): Use word_mode.
+ (RTX_COSTS): Add RS64A and PPC630.
+ * rs6000.md (scheduling information): Add lmul and ldiv
+ representing 64-bit integer multiply and divide. Add rs64a and
+ PPC630 information.
+ (ashldi3): Add support for "rldic" instruction.
+ * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
+
+Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
+
+ * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
+ instead of V8 for sparclite86x in cpu_table.
+
+Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
+ output_file_directive.
+
+Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
+ tree for op1, not the rtl.
+
+Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * m88k.c (m88k_builtin_saveregs): Break out the constructor code
+ to m88k_va_start, leaving only the register spill.
+ (m88k_build_va_list): New.
+ (m88k_va_start): New.
+ (m88k_va_arg): New.
+ * m88k.h (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+
+Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
+
+ * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
+ Rename from expand_builtin_saveregs.
+ * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
+
+Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
+
+ * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
+ for the register spill block.
+ (i960_build_va_list): New.
+ (i960_va_start): New.
+ (i960_va_arg): New.
+ * i960.h (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+ * i960.md (store_multiple): Use change_address on individual mems.
+
+Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
+ an ARRAY_TYPE.
+ (std_expand_builtin_va_start): Back out one word if !stdarg_p.
+ (expand_builtin_va_end): Evaluate arg for side effects.
+ * c-common.c (c_common_nodes_and_builtins): Construct a
+ va_list_arg_type_node to handle array decomposition to pointer.
+
+Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
+
+ * except.c (st_dynamic_cleanup): Use force_operand on the
+ buffer's address.
+
+Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
+
+ * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
+ * c4x.c (c4x_va_arg): New.
+
+Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
+ has manual_pop set.
+
+1999-07-26 Nathan Sidwell <nathan@acm.org>
+
+ * eh-common.h (__eh_matcher): Prototype correctly.
+
+Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
+ (TARGET_SINGLE_PIC_BASE): Likewise.
+ (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
+ definitions.
+ (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
+ (TARGET_SWITCHES): Add -m{no-}single-pic-base.
+ (TARGET_OPTIONS): Add -mpic-register=N.
+ (OUTPUT_INT_ADDR_CONST): New macro.
+ (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
+ LEGITIMATE_PIC_OPERAND_P): Likewise.
+ (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
+ (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
+ output_addr_const directly.
+ (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
+ ARM port.
+ (thumb_pic_register, thumb_pic_register_string): Declare.
+
+ * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
+ from arm.c.
+ (label_mentioned_p): New function: Imported from arm.c.
+ (legitimize_pic_address): New function: Imported from arm.c.
+ (is_pic):New function: Imported from arm.c.
+ (thumb_finalize_pic):New function: Imported from arm.c.
+ (add_constant): Cope with PIC constants.
+ (fixit): Cope with PIC constants.
+ (output_return): Do not treat the PIC register as live if
+ TARGET_SINGLE_PIC_BASE is true.
+ (thumb_function_prologue): Do not treat the PIC register as live if
+ TARGET_SINGLE_PIC_BASE is true.
+ (thumb_expand_prologue): Do not treat the PIC register as live if
+ TARGET_SINGLE_PIC_BASE is true.
+ (thumb_unexpand_epilogue): Do not treat the PIC register as live if
+ TARGET_SINGLE_PIC_BASE is true.
+ (thumb_print_operand): Accept '|'.
+ (thumb_override_options): Process PIC options.
+
+ * config/arm/thumb.md (movsi): Support PIC.
+ (call_insn): Change "i" constraint to "X".
+ (call_value_insn): Likewise.
+ (consttable_4, consttable_8, consttable_end): Set and clear
+ "making_const_table" as appropriate.
+ (pic_load_addr, pic_add_dot_plus_four): New insns.
+
+ * invoke.texi (Thumb Options): Fix spelling. Document new
+ options -msingle-pic-base and -mpic-register=.
+
+1999-07-26 Andrew Haley <aph@cygnus.com>
+
+ * config/m32r/initfini.c (__init): Use a full word immediate for
+ __fini: this allows it to be placed in any memory region.
+
+ * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
+ -mmodel=medium. This is OK for all memory models.
+
+Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
+ * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
+
+Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
+
+ * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
+ defined.
+
+ * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
+
+Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
+
+ * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
+ (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+ * i860.c (output_delayed_branch): Disable.
+ (output_delay_insn): Likewise.
+ (i860_saveregs): New.
+ (i860_build_va_list): New.
+ (i860_va_start): New.
+ (i860_va_arg): New.
+ * i860.md: Disable all peepholes using output_delayed_branch.
+ * i860/sysv4.h (I860_SVR4_VA_LIST): New.
+
+Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
+
+ * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
+ (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+ * clipper.c (clipper_builtin_saveregs): Only dump registers.
+ Return the address of the save area.
+ (clipper_build_va_list): New.
+ (clipper_va_start): New.
+ (clipper_va_arg): New.
+
+Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
+
+ * arc.h (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+ * arc.c (arc_setup_incoming_varargs): Set alias set of
+ varargs save area.
+ (arc_va_start): New.
+ (arc_va_arg): New.
+
+Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
+ (BUILD_VA_LIST_TYPE): New.
+ (EXPAND_BUILTIN_VA_START): New.
+ (EXPAND_BUILTIN_VA_ARG): New.
+ * alpha.c (alpha_builtin_saveregs): Delete.
+ (alpha_build_va_list): New.
+ (alpha_va_start): New.
+ (alpha_va_arg): New.
+
+Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
+
+ * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
+ column zero.
+ (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
+ (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * gcc.texi: More changes related to list conversion.
+ * invoke.texi: Likewise.
+
+Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * builtins.c (expand_builtin_saveregs): Remove static, remove exp
+ and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
+ (expand_builtin_next_arg): Accept ARGLIST not EXP.
+ (stabilize_va_list): New function.
+ (std_expand_builtin_va_start): New function.
+ (expand_builtin_va_start): New function.
+ (get_varargs_alias_set): New function.
+ (std_expand_builtin_va_arg): New function.
+ (expand_builtin_va_arg): New function.
+ (expand_builtin_va_end): New function.
+ (expand_builtin_va_copy): New function.
+ (expand_builtin): Call them.
+ * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
+ __builtin_{varargs_start,stdarg_start,end,copy}.
+ (build_va_arg): New function.
+ * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
+ (build_va_arg): Declare.
+ * c-decl.c (ptr_type_node, va_list_type_node): New.
+ * c-parse.gperf (__builtin_va_arg): New.
+ * c-parse.in (VA_ARG): New token.
+ (unary_expr): Recognize it.
+ * expr.c (expand_expr): Expand VA_ARG_EXPR.
+ * expr.h (std_expand_builtin_va_start): Declare.
+ (std_expand_builtin_va_arg): Declare.
+ (expand_builtin_va_arg): Declare.
+ (get_varargs_alias_set): Declare.
+ * tree.def (VA_ARG_EXPR): New.
+ * tree.h (BUILT_IN_VARARGS_START): New.
+ (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
+ (ptr_type_node, va_list_type_node): Declare.
+ * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
+ * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
+ * m88k.h, m88k.c: Likewise.
+ * mn10300.h, mn10300.c: Likewise.
+ * pa.h, pa.c: Likewise.
+ * rs6000.h, rs6000.c: Likewise.
+ * sh.h, sh.c: Likewise.
+ * sparc.h, sparc.c: Likewise.
+
+ * emit-rtl.c (operand_subword): Copy alias set.
+ (change_address): Likewise.
+
+Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (compute_frame_size): Scan all the used callee saved registers,
+ not just the first one.
+
+Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/arm.h (TARGET_SWITCHES): Add
+ -m{no-}single-pic-base. Correct help string for -mshort-load-words.
+ (TARGET_OPTIONS): Add -mpic-register=.
+ (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
+ (arm_pic_register_string): Declare.
+ (NEED_PLT_GOT): Delete, replace with ...
+ (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
+ (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
+ (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
+ * config/arm/arm.c (arm_override_options): Add new option
+ -mpic-register=N.
+ (arm_pic_register_string): New variable.
+ (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
+ (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
+ register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
+ (output_return_instruction): Likewise.
+ * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
+ (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
+ * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
+
+ * invoke.texi (ARM Options): Fix spelling. Remove duplicate
+ mention of -msched-prolog. Document new options -msingle-pic-base
+ and -mpic-register=.
+
+Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (reemit_notes): Tidy.
+ * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
+ haifa's routine.
+
+Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
+
+ * explow.c (trunc_int_for_mode): New function.
+ (plus_constant_wide): Use it.
+ * combine.c (simplify_and_const_int): Likewise.
+ (merge_outer_ops): Likewise.
+ (simplify_shift_const): Likewise.
+ * cse.c (simplify_unary_operation): Likewise.
+ (simplify_binary_operation): Likewise.
+ * emit-rtl.c (operand_subword): Likewise.
+ * rtl.h: Declare it.
+
+Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
+ (use NUM_REGS instead of NUM_INTS).
+
+Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * builtins.c: New file.
+ * expr.c (saveregs_value, apply_args_value): Delete definition,
+ moved into builtins.c.
+ (string_constant): No longer static.
+ (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
+ apply_args_size, apply_result_size, result_vector,
+ expand_builtin_apply_args, expand_builtin_apply,
+ expand_builtin_return): Delete functions, moved into builtins.c.
+ (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
+ * expr.h (saveregs_value, apply_args_value): Declare variables.
+ (expand_builtin, string_constant): Declare functions.
+ * Makefile.in: Update to build builtin.o.
+
+Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
+ * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
+ * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
+ start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
+ false.
+ * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
+ Define to zero.
+
+1999-07-21 Michael Meissner <meissner@cygnus.com>
+
+ * print-rtl.c (print_rtx): Print the names of the virtual
+ registers.
+
+Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
+ introduced in previous delta.
+
+Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
+ to avoid name clash.
+
+Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * c-lex.c (yylex) : Correct the test for overflow when lexing
+ integer literals.
+
+Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
+ (adjust_priority): Always call ADJUST_PRIORITY.
+ (schedule_insn): Only put insns into the ready at cost 0.
+ (schedule_block): Remove redundant initial sort. Give clock_var
+ and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
+ is not 0.
+ * tm.texi (MD_SCHED_REORDER): Update docs.
+
+ * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
+ * sparc.c (ultra_reorder_called_this_block): Delete.
+ (ultrasparc_sched_init): Don't set it.
+ (ultrasparc_sched_reorder): Don't check it.
+
+Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.h (struct rs6000_args): Add sysv_gregno.
+ * rs6000.c (init_cumulative_args): Init sysv_gregno.
+ (function_arg_boundary): Align DFmode.
+ (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
+ to get fp reg and stack overflow correct.
+ (function_arg): Likewise.
+ (function_arg_pass_by_reference): True for TFmode for ABI_V4.
+ (setup_incoming_varargs): Restructure for ABI_V4; use
+ function_arg_advance to skip final named argument.
+ (expand_builtin_saveregs): Properly unskip the last integer arg
+ when doing varargs. Adjust overflow location calculation.
+
+ * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
+ explicitly unsigned.
+ (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
+ (__VA_GP_REGSAVE): Similarly.
+ (__va_longlong_p): Delete.
+ (__va_arg_type_violation): New declaration.
+ (va_arg): Restructure. Flag promotion errors. Align double.
+ TFmode passed by reference.
+
+ * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
+ in the HOST_BITS_PER_WIDE_INT > 32 case.
+
+Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * dwarf2out.c (output_abbrev_section): Terminate with a zero.
+
+Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
+ * toplev.c (documented_lang_options): Add -fpreprocessed.
+ * cpplib.h (struct cpp_buffer): Add preprocessed.
+ * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
+ (cpp_start_read): Don't expand macros or emit an initial #line
+ directive if -fpreprocessed.
+
+Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
+
+ * cpplib.h (struct cpp_buffer): Added manual_pop for
+ better C++ tokenization.
+ * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
+ Also, support C++ tokenization for ->*, .*, <?, and >? operators.
+ * c-common.c (cpp_token): Make non-static.
+
+Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * c-common.h: New file.
+ * c-common.c (permanent_obstack): Delete unused declaration.
+ (c_global_trees): New array.
+ (c_common_nodes_and_builtins): New function; split off common code
+ from init_decl_processing in both c-decl.c and cp/decl.c.
+ * c-tree.h: Delete lots of declarations of tree nodes; replaced by
+ c_global_trees and accessor macros defined in c-common.h.
+ Include c-common.h.
+ * c-decl.c: Delete definitions for tree nodes that were replaced by
+ c_global_trees.
+ (init_decl_processing): Build void_list_node.
+ Call c_common_nodes_and_builtins; delete code to generate the common
+ builtins here.
+ * objc/objc-act.c (build_module_descriptor): Rename variable
+ void_list_node to avoid clash with c-common.h.
+
+ * Makefile.in: Update dependencies.
+ * objc/Make-lang.in: Likewise.
+
+Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
+ (UNIQUE_SECTION_P): Likewise.
+ (UNIQUE_SECTION): Likewise.
+
+1999-07-19 Linas Vepstas <linas@linas.org>
+
+ * config/i370/README: New file.
+ * config/i370/linux.h: New file.
+ * config/i370/mvs.h: New file.
+ * config/i370/oe.h: New file.
+ * config/i370/t-linux: New file.
+ * config/i370/t-mvs: New file.
+ * config/i370/t-oe: New file.
+ * config/i370/x-oe: New file.
+ * config/i370/xm-linux.h: New file.
+ * config/i370/xm-mvs.h: New file.
+ * config/i370/xm-oe.h: New file.
+
+ * i370.c (label_node_t): Add first_ref_page, label_addr,
+ label_first_ref, label_last_ref members.
+ (mvs_need_base_reload): Renamed from mvs_label_emitted.
+ (MAX_MVS_LABEL_SIZE): Define.
+ (MAX_LONG_LABEL_SIZE): Define.
+ (alias_node_t, alias_anchor, alias_number): New.
+ (mvs_function_table): Reorder for EBCDIC.
+ (ascebc, ebcasc): Unconditionally define.
+ (i370_branch_dest, i370_branch_length): New functions.
+ (i370_short_branch, i370_label_scan): New functions.
+ (mvs_get_label): Renamed from mvs_add_label. Search for
+ an existing label before creating a new one.
+ (mvs_add_label): New function.
+ (mvs_get_label_page): New function.
+ (mvs_free_label_list): Renamed from mvs_free_label. Iterate
+ over the entire list.
+ (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
+ (mvs_check_page) [TARGET_ELF_ABI]: New function.
+ (mvs_add_alias, mvs_need_alias): New functions.
+ (mvs_get_alias, mvs_check_alias): New functions.
+ (handle_pragma): New function.
+ (mvs_function_check): New function.
+ (unsigned_jump_follows_p): Search harder.
+ (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
+ (i370_function_prolog) [TARGET_ELF_ABI]: New function.
+ * i370.h (TARGET_VERSION): Delete.
+ (CPP_SPEC, CPP_PREDEFINES): Delete.
+ (mvs_label_emitted): Delete.
+ (TARGET_EBCDIC): Delete.
+ (MAP_CHARACTER): Define only if TARGET_EBCDIC.
+ (HANDLE_PRAGMA): Define.
+ (HARD_REGNO_NREGS): Handle complex modes.
+ (HARD_REGNO_MODE_OK): Likewise.
+ (CLASS_MAX_NREGS): Likewise.
+ (RET_REG): Likewise.
+ (EXTRA_CONSTRAINT): Define.
+ (RETURN_IN_MEMORY): True for DImode.
+ (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
+ (FUNCTION_PROFILER): Delete.
+ (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
+ (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
+ (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
+ (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
+ (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
+ (ASM_FILE_START): Add "RMODE ANY".
+ (ASM_OUTPUT_EXTERNAL): Check for aliases.
+ (ASM_GLOBALIZE_LABEL): Likewise.
+ (ASM_OUTPUT_LABELREF): Likewise.
+ (ASM_OUTPUT_COMMON): Likewise.
+ (PRINT_OPERAND): Handle 'K', 'W', default.
+ (PRINT_OPERAND_ADDRESS): New.
+ (Lots of defines): Add support for TARGET_ELF_ABI.
+ * i370.md (attr length): New. Define for all patterns.
+ (*): Lots of tweeks to assembly output and constraints.
+
+Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
+ Disable patterns performing SImode comparisons with SImode values
+ if TARGET_POWERPC64 and instruction does not sign-extend or does
+ not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
+ differ for signed quantities.
+ (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
+ (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
+ (decrement_and_branch_on_count): Add 64-bit variant.
+
+Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * final.c (output_asm_insn): When searching for the matching string
+ for a given dialect, don't run past the end of the list of
+ alternatives if there are fewer alternatives in the template than
+ dialects.
+
+1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
+ Removed paragraph about compression of files and size limitation,
+ duplicated in the FAQ. Use gcc-patches for posting patches.
+ * gcc.c (main): Updated URL with bug reporting instructions to
+ gcc.gnu.org. Removed e-mail address.
+ * system.h (abort): Likewise.
+
+1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (stmp-multilib-sub): Make the files extracted
+ from $(LIBGCC1) writable.
+
+Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/aout.h: Reformat for improved readability.
+
+ * config/arm/arm.h: Reformat for improved readability.
+ Replace uses of fprintf with asm_fprintf where appropriate.
+ (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
+ function declaration assembler actions.
+ (NUM_INTS): New macro: Convert from bytes to words.
+ (NUM_REGS): New macro: Compute number of registers required to
+ hold a quanitity of tyep MODE.
+ (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
+ types.
+ (NUM_ARG_REGS): New macro: The number of argument registers
+ available.
+ (ARG_REGISTER): New macro: Compute the register number of the Nth
+ argument register.
+ (LAST_ARG_REGNUM): New macro: The number of the last argument
+ register.
+ (SP_REGNUM): New macro: Register number of the stack pointer.
+ (FP_REGNUM): New macro: Register number of the frame pointer.
+ (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
+ FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
+ CUMULATIVE_ARGS so that it counts registers not bytes.
+
+ * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
+ TARGET_INTERWORK.
+ Replace uses of fprintf with asm_fprintf where appropriate.
+ (output_ascii_pseudo_op): Replace with version from thumb.c
+
+ * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
+
+ * config/arm/elf.h (CPP_PREDEFINES): Replace with
+ SUBTARGET_CPP_SPEC.
+ (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
+ (ASM_FILE_START): Emit ASM_APP_OFF.
+
+Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (compute_frame_size): Round frame according to
+ STACK_BOUNDARY rather than a hardwired value.
+
+ * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
+
+ * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
+ of "1".
+ * configure: Rebuilt.
+
+ * configure.in (hppa*-*-linux*): New configuration.
+ * configure: Rebuilt.
+ * pa.h (MAX_OFILE_ALIGNMENT): Delete.
+ * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
+ * pa/pa-linux.h: New file.
+ * pa/t-linux: New file.
+ * pa/xm-linux.h: New file.
+
+ * pa.c (hppa_legitimize_address): Change references from SImode to
+ either Pmode or word_mode as appropriate.
+ (emit_move_sequence, store_reg, load_reg): Likewise.
+ (set_reg_plus_d, hppa_expand_prologue): Likewise.
+ (output_mul_insn): Likewise.
+ * pa.h (PROMOTE_MODE): Likewise.
+ (INITIALZE_TRAMPOLINE): Likewise.
+ (Pmode): Define to word_mode.
+
+ * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
+ value of 4. Allocate 8 bytes for each FP register save.
+ (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
+ value of 4.
+ (hppa_expand_prologue): Likewise.
+ * pa.h (PROMOTE_MODE): Likewise.
+ (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
+ (FUNCTION_ARG_BOUNDARY): Likewise.
+
+ * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
+
+ * pa.c (out_of_line_prologue_epilogue): Delete.
+ (override_options): Remove -mspace related code.
+ (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
+ (compute_frame_size): Only allocate space for register that
+ actually need to be saved.
+ * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
+ (TARGET_SWITCHES): Remove -mspace, -mno-space
+ * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
+ * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
+ * pa/ee.asm, pa/ee_fp.asm: Delete.
+
+ * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
+
+ * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
+ directive in column zero.
+
+Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
+
+ * m68k.c (output_function_prologue): Fix computation of save mask
+ when generating PIC code.
+
+Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
+
+ * tree.c (build_type_attribute_variant): Move current_obstack restore
+ after build_qualified_type call.
+
+1999-07-15 Mark Mitchell <mark@codesourcery.com>
+
+ * configure.in: Use t-iris6, even with GNU LD.
+ * config/mips/iris6gld.h: Fix typo in linker spec.
+ * config/mips/t-iris6gld: Remove.
+
+Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (insv, extzv): Remove SImode dependence in named
+ patterns. Explicitly generate DImode RTL if PowerPC64 and
+ operand is DImode.
+ (insvdi): Reverse start and size in instruction template.
+
+1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Typo fixes.
+
+Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
+
+ * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
+ handle at this time instead of silently generating incorrect code.
+ (gen_imagpart): Likewise.
+
+ * reload.c (find_reloads): Emit a USE for a pseudo register without
+ a hard register if we could not create an optional reload for the
+ pseudo.
+
+Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * c-typeck.c (output_init_element, process_init_element):
+ When advancing constructor_unfilled_fields for a RECORD_TYPE,
+ check for nameless bit fields.
+
+Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * regclass.c (scan_one_insn): Notice subregs that change the
+ size of their operand.
+ (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
+
+Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (alpha*-*-*): Include alpha/t-ieee.
+ * configure: Rebuilt.
+ * alpha/t-ieee: New file.
+
+Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
+
+ * rs6000.c (find_addr_reg): Do not select r0 as an address
+ register.
+
+Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
+
+Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
+
+ * rs6000.md (movsf): Do not force easy FP constants into memory.
+
+ * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
+ immed_double_const to ensure they are properly truncated then
+ sign extended.
+
+Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
+ always unless NO_DEBUG is used. Compile this code
+ unconditionally.
+ (replace_symbols_in_block): Compile it unconditionally.
+
+Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (i?86-*-elf*): New target.
+ * configure: Rebuilt.
+ * i386/i386elf.h, i386/t-i386elf: New files.
+
+Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (main): Don't complain about saying -gdwarf.
+ (rest_of_compilation): Remove redundant code.
+
+Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
+
+Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
+
+ * config/i960/i960.c (ret_label): Change asm label from "LR:" to
+ "Li960R:", to avoid name clash.
+
+Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (check_dbra_loop): When reversing a loop, delete all
+ REG_EQUAL notes referencing the reversed biv except those which are
+ for a giv based on it.
+
+Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
+
+ * version.c: Drop "gcc-" prefix from version #.
+
+Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_line): Emit a line number comment after
+ the label if we're being verbose.
+
+Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * m68k.c (output_function_prologue): Add pic register to mask
+ if live and flag_pic.
+ (output_function_epilogue): Likewise.
+
+Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
+
+ * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
+ directives in column zero.
+
+ * pa/elf.h (ASM_FILE_START): Define.
+ * pa/som.h (ASM_FILE_START): Include .level directives.
+ * pa/hpux10.h (ASM_FILE_START): Delete.
+ * pa/hpux11.h (ASM_FILE_START): Delete.
+
+ * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
+
+Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (choose_reload_regs): Never call remove_address_replacements
+ when reload_out equals reload_in.
+
+Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
+
+ * invoke.texi (Spec Files): New node: Describe the contents of
+ spec files.
+
+Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
+
+ * invoke.texi (DEC Alpha Options): Put @end table at
+ beginning of line, to avoid confusing texi2html.
+
+Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
+ introduced in previous delta.
+
+Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * reload1.c (gen_reload): When synthesizing a 3 operand add
+ sequence, improve test for when to reload OP1 into the reload
+ register instead of OP0.
+
+Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
+
+1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
+
+ * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
+ string literal.
+
+Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
+
+ * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
+ (va_dcl): Use __builtin_va_alist_t.
+
+Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
+ on the permanent_obstack.
+ * dwarfout.c (output_type): Likewise.
+
+Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
+ Merged from c-typeck.c and cp/typeck.c.
+ * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
+ Merged into c-common.
+
+Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
+
+ * c-lex.c (errorcount): Declare it.
+ (finish_parse): Update errorcount when using CPPLIB.
+
+1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/inclhack.def(end_else_label): Double the backslash so
+ sed gets a chance to see it.
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
+
+ Add framework to support armv5 architecture when it becomes
+ available:
+
+ * config/arm/arm.c (FL_ARCH5): New processor capability flag.
+ (arm_arch5): New variable.
+ (all_architectures): Add armv5 line.
+ * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
+ -march=armv5 is specified on the command line.
+ (arm_arch5): Export this variable.
+ * invoke.texi: Document new string accepted by -march= switch for
+ ARM ports.
+
+ * config/arm/arm.h: Replace use of constant 12 as a register
+ number with IP_REGNUM. Similarly 14 and LR_REGNUM.
+ * config/arm/arm.c: Replace use of constant 12 as a register
+ number with IP_REGNUM. Similarly 14 and LR_REGNUM.
+
+ * config/arm/elf.h: Tidy up.
+ * config/arm/coff.h: Tidy up.
+
+Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
+
+ * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
+ * gcc/config/mips/t-iris6gld: New file.
+ * gcc/config/mips/iris6gld.h: Likewise.
+
+Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * c-decl.c (widest_integer_literal_type_node,
+ widest_unsigned_literal_type) : New.
+ (init_decl_processing): Handle/use the two new types.
+ * c-common.c (type_for_size,type_for_mode) : Same.
+ * c-lex.c (yylex) : Same.
+ * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
+ Same.
+ * c-tree.h (widest_integer_literal_type_node,
+ widest_unsigned_literal_type) : New.
+
+Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * dwarfout.c (field_byte_offset): Correctly compute the object's
+ byte offset for the first bit of a field which crosses an alignment
+ boundary on a !BYTES_BIG_ENDIAN target.
+
+Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
+
+ * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
+ ntohs.
+
+Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
+ Jeff Law <law@cygnus.com>
+
+ * ginclude/varargs.h (va_dcl): Use word_mode for type of
+ __builtin_va_list.
+
+ * except.c: Include intl.h.
+ (expand_eh_return): Set current_function_cannot_inline.
+ (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
+ * function.h (struct function): Add eh_return_stub_label.
+ * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
+ * Makefile.in (except.o): Depend on intl.h.
+
+Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
+ same as offsettable in cases 1 and 2.
+
+Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
+ (extlh, extwh): Likewise.
+
+Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * c-lex.c (yylex): Improve 'integer constant out of range' messages.
+
+Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add arm-pe and thumb-pe targets.
+ * configure: Regenerate.
+
+ * thumb.c (arm_naked_function_p): New function: Determines if
+ a function is naked (has no gcc generated prologue/epilogue).
+ (is_called_in_ARM_mode): Return true if the func has the
+ interfacearm attribute.
+ (output_return): Do not generate a return for naked functions.
+ (thumb_function_prologue): Do not generate a prologue for
+ naked functions.
+ (thumb_expand_prologue): Do not generate a prologue for naked
+ functions.
+ (thumb_expand_epilogue): Do not generate an epilogue for naked
+ functions.
+ (arm_valid_machine_decl_attribute): New function, copied from
+ arm.c: Permit naked and interfacearm attributes.
+
+ * config/arm/pe.c: New file: Support code for arm-pe target.
+ * config/arm/pe.h: New file: Header file for arm-pe target.
+ * config/arm/tpe.h: New file: Header file for thumb-pe target.
+ * config/arm/t-thumb-pe: New file: Makefile fragment for
+ thumb-pe target.
+
+1999-07-01 Mark Kettenis <kettenis@gnu.org>
+
+ * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
+ -fPIC or -fpic is specified.
+
+Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
+
+ * expr.c (emit_block_move): Use copy_to_mode_reg for
+ !TARGET_MEM_FUNCTIONS case too.
+
+ * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
+ appropriate.
+ * configure: Rebuilt.
+ (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
+ * pa.h: Include dbxelf.h. Delete various dbx/stabs related
+ definitions made redundant by dbxelf.h inclusion. Delete
+ lots of definitions related to assembly output that are
+ specific to the SOM object format.
+ * pa.c (output_function_prologue): Do not emit the function's
+ name for OBJ_ELF.
+ * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
+ * pa-pro.h: Deleted.
+ * som.h: New file with SOM specific definitions.
+ * elf.h: New file with ELF specific definitions.
+
+ * elfos.h (const_section): Output a tab before assembler directives.
+ (ctors_section, dtors_section): Likewise.
+ (ASM_OUTPUT_SECTION_NAME): Likewise.
+
+ * pa/pa1.h: Delete unused file.
+
+Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa*-hp-hpux11*): New configuration.
+ * configure: Rebuilt.
+ * pa/pa-hpux11.h: New file.
+ * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
+ command line.
+
+ * mips.md (leasi, leadi): New patterns.
+
+ * expr.c (emit_block_move): Properly handle case where one of the
+ block move arguments has a queued increment or decrement.
+ (clear_storage): Similarly. Fix formatting goof.
+
+1999-06-28 "David O'Brien" <obrien@NUXI.com>
+
+ * fixinc/inclhack.def(stdio_va_list): This patch Removes a
+ semicolon from the BSD VA_LIST replacement expression.
+
+ * fixinc/inclhack.sh: regen
+ * fixinc/fixincl.x: regen
+
+ * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
+ now use the fixincl program.
+
+Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
+
+ * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
+ case. Also make the PIC register call_used.
+
+ * m68k.h (FINALIZE_PIC): Delete.
+ * m68k.c (finalize_pic): Delete.
+
+Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
+
+ * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
+ to memory.
+
+Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
+
+Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
+
+Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
+
+Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
+
+Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (output_toc): Always use hex values for floating-point
+ constants. Store single-precision values in upper-half of TOC
+ entry in 64-bit mode.
+ * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
+ to final constraints.
+ (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
+ (fctiwz): Improve accuracy of RTL for pattern.
+
+Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * expr.c (expand_expr): Allow RTL_EXPR's through the
+ MAX_INTEGER_COMPUTATION_MODE checks.
+
+Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
+ such that MASK_SUPPORT_ARCH is not negative.
+
+Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (verify_dominator): Properly handle ADDR_VEC and
+ ADDR_DIFF_VEC insns that appear inside loops.
+
+Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
+ Jeff Law <law@cygnus.com>
+
+ * rs6000.md (movdf_hardfloat32): Revert previous patch.
+ Handle LO_SUM the same as offsettable in cases 1 and 2.
+ * rs6000.c (find_addr_reg): Revert previous patch.
+
+Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * system.h (strstr): New external function declaration.
+ * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
+ * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
+ * config.in, configure: Rebuilt.
+
+1999-06-24 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (main): Read user-specified specs files after computing
+ additional startfile_prefixes.
+
+Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
+
+ Revert these two patches:
+
+ Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+ * loop.c (strength_reduce): When doing biv->giv conversion, update
+ reg note of NEXT->insn.
+
+ Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+ * loop.c (strength_reduce): When doing biv->giv conversion, fix up
+ reg_biv_class.
+ (recombine_givs): Set ix field after sorting.
+
+Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
+ for the parts of an UNSPEC / UNSPEC_VOLATILE.
+
+1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ *fixinc/inclhack.def: Add fix development commentary
+ (read_ret_type): reactivate and add selection clause
+ (zzz_*): tweak output file name to match what is used in hackshell.tpl
+ *fixinc/{fixincl.x|inclhack.sh}: regen
+
+Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * expr.c (expand_expr): STRIP_NOPS before checking against
+ MAX_INTEGER_COMPUTATION_MODE
+ (check_max_integer_computation_mode): Likewise.
+
+Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
+
+ * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
+
+1999-06-22 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (store_expr): When target is a promoted subreg, return a
+ promoted subreg as a result.
+
+Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
+ coding standards.
+ (dwarf2out_define): Mark unused parameters appropriately.
+ (gen_unspecified_parameters_die): Ditto.
+ (gen_subprogram_die): Fix signed/unsigned warnings.
+ (gen_variable_die): Ditto.
+
+1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/inclhack.def(end_else_label): combined else_label
+ and endif_label and fixed the sed expression.
+ *fixinc/{fixincl.x|inclhack.sh}: regen
+
+Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
+
+ * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
+ 'x' when handling non-offsettable addresses
+
+Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * final.c (shorten_branches): Don't try to split an insn that has
+ been deleted.
+
+Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * config/mips/mips.c (symbolic_expression_p): New function.
+ (mips_select_rtx_section): Put symbolic expressions in the
+ data section, not the read-only data section.
+
+Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
+
+ * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
+
+Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
+
+ * collect2.c (main): Log frame table count.
+ (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
+ (scan_prog_file) [COFF]: Handle frame tables.
+
+ * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
+ (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
+ * alpha/elf.h: Undef them again.
+ * alpha/vms.h: Remove their definitions.
+
+Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
+ remove the clobber of r0 and change the REG_UNUSED note to
+ REG_INC.
+
+1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
+ * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
+ fits in HOST_WIDE_INT and one uses union to access a long constant
+ as double.
+
+Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (sparc_override_options): Don't allow profiling for
+ code models other than medlow.
+ (sparc_function_profiler): New function from old FUNCTION_PROFILER
+ macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
+ (sparc_function_block_profiler): Likewise. Use user_label_prefix.
+ (sparc_block_profiler): Likewise.
+ (sparc_function_block_profiler_exit): Likewise.
+ * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
+ (FUNCTION_BLOCK_PROFILER): Likewise.
+ (BLOCK_PROFILER): Likewise.
+ (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
+ (MCOUNT_FUNCTION): New.
+ * sparc/pbd.h (FUNCTION_PROFILER): Delete.
+ (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
+ * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
+ (MCOUNT_FUNCTION): New.
+ * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
+ (BLOCK_PROFILER): Delete.
+ (MCOUNT_FUNCTION): New.
+
+Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
+
+Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Add the macros.
+
+ * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Ditto.
+
+ * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Ditto.
+
+ * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
+ Ditto.
+
+Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
+ types.
+
+Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * i386/djgpp.h (LIB_SPEC): New.
+ (STARTFILE_SPEC): New.
+
+ * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
+
+Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
+ compiler flags.
+
+ * system.h (WSTOPSIG): New macro.
+
+Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * c-pragma.c (push_alignment): Don't ignore alignments greater than
+ 4 bytes.
+ (insert_pack_attributes): Take into account member natural
+ alignment.
+
+ * i386/winnt.c (exports_head): New static variable.
+ (i386_pe_record_exported_symbol): New function.
+ (i386_pe_asm_file_end): Use.
+ * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
+ symbols to be emitted at end of assembly.
+ (ASM_DECLARE_OBJECT_NAME): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+
+ * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
+ -iwithprefix.
+
+Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
+
+ * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
+ in last change.
+
+Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (sched_analyze_1): Use free_list instead of
+ zapping reg_last_uses directly.
+ (sched_analyze_2, sched_analyze_insn): Likewise.
+ (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
+
+Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (movdf_hardfloat32): Use worst case insn length
+ attributes for cases 1 and 2.
+
+Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
+ instead of set.
+
+Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
+
+Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
+ PIC_OFFSET_TABLE_REGNUM for general alloaction.
+ (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
+ must be stacked if it is used for PIC accesses.
+ * arm.c (use_return_insn): Handle PIC register specially.
+ (output_return_instruction): Likewise.
+ (output_func_{prologue,epilogue}): Likewise.
+ (output_expand_prologue): Likewise.
+
+ * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
+ (*strsi_predec): Renamed from *strqi_predec.
+ (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
+ (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
+
+ * arm.c (arm_override_options): Remove warning about PIC code
+ not being supported.
+
+Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (find_addr_reg): New function.
+ * rs6000.h (find_addr_reg): Declare.
+ (offsettable_addr_operand): Delete.
+ * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
+ from and stores to GPRs.
+
+Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_expand_block_move): Use get_insns rather than
+ gen_sequence as argument to emit_no_conflict_block.
+
+Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
+ * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
+ *fixinc/fixincl.x: regen
+ *fixinc/inclhack.sh: regen
+
+Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
+
+ * added support for -mpcrel (PC relative addressing for m68k)
+ based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
+ * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
+ * m68k.c (print_operand_address): Handle 32-bit PIC case.
+ (comments for general_src_operand): Add some explanation
+ about EXTRA_CONSTRAINTS.
+ (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
+ * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
+ (LEGITIMATE_PIC_OPERAND_P): Fix typo.
+ (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
+ * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
+ (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
+ (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
+ if not already set.
+ (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
+ * m68k.h (TARGET_PCREL): New target flag.
+ (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
+ (OVERRIDE_OPTIONS): Add checks for -mpcrel.
+ (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
+ contains a SYMBOL_REF. Relax this constraint during reload, since
+ we want to use the predicates, not reload's built-in concept of a
+ valid memory address, to control what insns need reloading.
+ (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
+ operands (essentially 'g', 'm', and 's' under normal circumstances).
+ * m68k.c (print_operand): Cause printing of pc-relative addresses
+ to include pc register.
+ (print_operand_address): Ditto.
+ (general_src_operand): Accept operands that are not only
+ general_operands, but are also valid when used as a pc-relative
+ source.
+ (nonimmediate_src_operand): Similar, for nonimmediate_operands.
+ (memory_src_operand): Similar, for memory_operands.
+ (pcrel_address): New predicate to accept the special case of a
+ pc-relative address.
+ * m68k.md (many patterns): Rewrite common SImode, HImode, and
+ QImode insns to accept *_src_operand instead of *_operand where
+ pc-relative operands can fit. For example, a pc-relative operand
+ can be used as a memory source operand for addsi3, but not as a
+ memory destination.
+ * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
+
+Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
+ .thumb_set pseudo op to mark aliases of thumb functions.
+
+Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
+
+ * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
+ preference to ASM_OUTPUT_DEF, if it is defined.
+
+ * tm.texi: Document new, optional target macro
+ ASM_OUTPUT_DEF_FROM_DECLS.
+
+Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixincludes: ISCNTL patch
+ * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
+ (dgux_int_varargs): new for DG/UX
+ * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
+
+Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
+
+ * invoke.texi (ia32 options): Fix typo.
+
+Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): When doing biv->giv conversion, update
+ reg note of NEXT->insn.
+
+Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (move_movables): Note issues with replacing REGs with
+ SUBREGs.
+ * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
+
+Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
+
+ * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
+ the reference to `mcount' was not correct for the ELF on FreeBSD.
+
+Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): When doing biv->giv conversion, fix up
+ reg_biv_class.
+
+ (recombine_givs): Set ix field after sorting.
+
+Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
+
+ * emit-rtl.c (operand_subword): Tighten checks for when it is safe
+ to safe to extract a subword out of a REG.
+
+Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (mulsi3): Don't add a no-op move at the end.
+
+Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * cse.c (cse_insn): Don't put hard register source into tables for
+ the last insn of a libcall.
+
+Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Insert sets of derived givs at every
+ biv increment, even if it's the only one.
+
+Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarfout.c (add_incomplete_type): New fn.
+ (output_type): Call it.
+ (retry_incomplete_types): New fn.
+ (dwarfout_finish): Call it.
+
+ From Eric Raskin <ehr@listworks.com>:
+ (output_type): Output types for bases.
+
+Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * mips.c (mips_output_conditional_branch): Add `break'
+ between `default' label and `close braces'.
+
+Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
+ specifications and make it realistic.
+ (LIB_SPEC): Likewise.
+
+Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/mips/mips.c (mips_secondary_reload_class): Check for
+ (PLUS (SP) (REG)) and return appropriate register class.
+ * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
+ Handle (PLUS (SP) (REG)).
+ (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
+ (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
+ of emit_insn for tablejump.
+
+Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
+ asm_fprintf format string by itself.
+ (output_function_profiler): Likewise.
+
+Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
+
+ * combine.c (simplify_logical, case AND): Only call
+ simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
+ or the constant is positive.
+
+Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Fix typo in rs6000-ibm-aix4 case.
+ * configure: Regenerate.
+
+Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
+ require a sub-version #.
+ * configure: Rebuilt.
+
+1999-06-14 Robert Lipe (robertlipe@usa.net)
+
+ * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
+
+Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
+
+ * c-typeck.c (process_init_element): Detect excess elements in
+ char array initializer.
+
+1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
+
+Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * invoke.texi (Option Summary): Add -fpermissive flag.
+
+Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
+ that require PIC code sequences.
+
+Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in: Add new target: thumb-elf.
+ * configure: Regenerate.
+ * config/arm/t-thumb-elf: New file: Makefile fragment for
+ thumb-elf build.
+ * config/arm/telf.h: New file: Header file for thumb-elf
+ build.
+
+Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
+ * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
+ initializers is some circumstances.
+
+ * fixinc/inclhack.def (endif_label): Add additional selector for
+ more bogus stuff after #endif statements.
+ * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
+
+Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (SET_ASM_OP): Define.
+
+Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
+
+Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
+ latter.
+
+ * sh.md (ic_invalidate_line_i): Remove second alternative.
+
+Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ *fixinc/inclhack.def(sun_auth_proto): We do not know how to
+ test for the presence of valid prototypes. Delete bypass expr.
+ (ioctl_fix_ctrl): Correct the selection expression.
+ (no_double_slash): Correct quoting rules
+ *fixinc/fixincl.x: regen
+ *fixinc/inclhack.sh: regen
+
+Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
+
+Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.md (movsi_got_internal_mem): Delete.
+ * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
+ (GOT_TOC_REGNUM): Delete.
+ (PIC_OFFSET_TABLE_REGNUM): Define.
+ (FINALIZE_PIC): Disable.
+ * rs6000.c (rs6000_got_register): New code for fixed pic register.
+ (rs6000_replace_regno): Delete.
+ (rs6000_finalize_pic): Likewise.
+ (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
+
+Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (loop_insn_first_p): Don't compare LUIDs when P
+ is a note; use <= for the compare; advance P while it is
+ a NOTE.
+
+Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
+ * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
+
+ * varasm.c (remove_from_pending_weak_list): Verify t->name
+ is non-NULL before passing it to strcmp.
+
+Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
+ the typed arguments are not part of a comment
+ (ioctl_fix_ctrl): Added a purpose comment
+ *fixinc/fixincl.x: regenerate
+ *fixinc/inclhack.sh: regenerate
+
+Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * invoke.texi: Add C4x invocation docs.
+
+Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
+ Define new macros.
+ * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
+ TARGET_EXPOSE_LDP.
+ (c4x_legitimize_reload_address): New function.
+ * config/c4x/c4x.md: Update docs.
+
+Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixincludes: Avoid removing '.'.
+ * fixinc/fixinc.svr4: Likewise.
+ * fixinc/fixinc.winnt: Likewise.
+ * fixinc/inclhack.tpl: Likewise.
+ * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
+
+1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
+ pattern.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
+
+Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
+ correctly.
+
+Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
+
+ * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
+ * configure: Regenerate.
+
+Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
+ values.
+
+Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/inclhack.def (avoid_bool): Also catch
+ "typedef [unsigned] int bool".
+ * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
+
+ * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
+ * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
+ * configure: Rebuilt.
+
+Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
+
+ * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
+ such that we can override its definitions if necessary.
+ (CPP_SPEC): New define. Support processor specific predefines via
+ %(cpp_cpu).
+ (CC1_SPEC): New define. Support processor specific compiler
+ options via %(cc1_cpu).
+ (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
+ -static.
+
+1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
+ between sed's -e flag, and the open-quote following it.
+ * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
+
+Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
+ Jeffrey A Law (law@cygnus.com)
+
+ * varasm.c (assemble_start_function): Remove the function
+ from the pending weak decls list when we define a function.
+ (assemble_variable): Similarly for variables.
+ (weak_finish): Ignore items on the list with a NULL name.
+ (remove_from_ending_weak_list); New function to "remove" an item
+ from the pending weak declarations list.
+
+Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
+
+Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
+
+ * c-lex.c (GETC): Redefine to call getch.
+ (UNGETC): Redefine to call put_back.
+ (putback_buffer): New structure type.
+ (putback): New static structure.
+ (getch): New function.
+ (put_back): New function.
+ (yylex): Replace unused bytes from bad multibyte character.
+
+Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
+
+ * cpplib.c (do_define): Cast `alloca' return value.
+ (do_include, do_undef, do_pragma): Likewise.
+ * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
+ values.
+ * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
+ * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
+
+Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * sparc.md (abstf2): This should be an expand.
+ (split after abstf2_notv9): Fix mode.
+ (abstf2_hq_v9): New pattern.
+ (abstf2_v9): Only use when no hard quad.
+ (absdf2_v9): Fix if target is not the same as source.
+ (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
+ Add correct output constraints.
+
+Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
+
+ From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
+ * invoke.texi: Clarify text vis-a-vis Intel CPUs.
+
+Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * mips.h (mips_output_conditional_branch): New function.
+ (mips_adjust_insn_length): Likewise.
+ (ASSEMBLER_SCRATCH_REGNUM): New macro.
+ (ADJUST_INSN_LENGTH): Likewise.
+ * mips.c (print_operand): Add `F' and `W' for floating-point
+ comparison opcodes.
+ (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
+ are now in bytes.
+ (mips_adjust_insn_length): New function.
+ (mips_output_conditional_branch): New function.
+ * mips.md (length): Adjust attribute definition to handle
+ conditional branches. Change lengths to bytes, rather than
+ instructions throughout. Remove length attribute from
+ instructions whose length is four bytes, and rely on the default
+ instead.
+ (dslot): Fix typo in comment.
+ Reword conditional branch patterns to use
+ mips_output_conditional_branch.
+
+Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
+ (LIB_SPEC): Likewise.
+ Link with -lprof1_r for -g/-pg.
+
+1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * loop.c (check_dbra_loop): Fix change of Jan 19.
+
+Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
+ (STARTFILE_SPEC): Define, override the svr4.h version.
+ (ENDFILE_SPEC): Likewise.
+
+Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
+ * fixinc/fixincl.x: Regenerated.
+ * fixinc/inclhack.sh: Regenerated.
+
+Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (barrier_align): Don't return early for normal branch/barrier
+ when optimizing for SH2.
+
+Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
+
+ * i386/udk.h (LINK_SPEC): Correct linker search path for
+ system libraries.
+
+Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
+ (braf_label_ref_operand): Delete.
+ * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
+ * sh.md (casesi_jump_2): Operand1 is now the inside of a
+ label_ref, and has no predicate.
+ The pattern has a predicate to guard against invalid substitutions.
+ (dummy_jump): Delete.
+ (casesi): Update use of casesi_jump_2.
+
+Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
+ *fixinc/fixincl.x: regenerate
+ *fixinc/inclhack.sh: regenerate
+
+Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (add_incomplete_type): New fn.
+ (gen_struct_or_union_type_die): Call it.
+ (retry_incomplete_types): New fn.
+ (dwarf2out_finish): Call it.
+
+Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (insert_insn_end_bb): Correct placement of insns when the
+ current block starts with a CODE_LABEL and ends with a CALL and
+ we can not find all the argument setup instructions for the CALL.
+
+Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
+
+ Revert this change:
+ * fold-const.c (fold): STRIP_NOPS when deciding whether or not
+ something is a candidate for optimize_bit_field_compare.
+
+Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
+
+Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (override_options): Thinko in last patch.
+
+ * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
+ (LIB_SPEC): Recognize -pthread.
+
+Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronize with
+ definition in config/arm/coff.h
+ * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
+
+Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
+ fixes that need "file=xxx\n" prepended before invocation
+ (start_fixer - new): starting the fixer process is complex enough
+ to warrent its own routine. It prepends the "file=xxx\n" stuff.
+ (process): uses the new routine; omit usage of putenv()
+ * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
+ * fixinc/fixincl.x: regenerate
+
+Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
+
+ * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
+ and version #s (1.1 -> 2.96) as needed.
+ * README.g77: Kill way out of date file in the toplevel directory.
+
+Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
+ i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
+ * configure: Rebuilt.
+ * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
+ (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
+ (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
+ (SWITCH_TAKES_ARG): Likewise.
+ * i386/freebsd.h: Remove FREEBSD_NATIVE support.
+ * config/t-freebsd: Moved from config/i386/ so it can used for all
+ FreeBSD targets.
+
+Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
+
+Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in (i[34567]86-*-udk*): Install headers with cpio.
+ * configure: Rebuilt.
+
+Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
+ * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
+ * rs6000/rs6000.c (rs6000_file_start): Use putc.
+ (rs6000_output_load_toc_table): Same.
+ (output_prolog, output_mi_thunk): Same.
+ * rs6000/rs6000.h (SELECT_SECTION): Formatting.
+ (ASM_GLOBALIZE_LABEL): Use putc.
+
+Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (reload_*_help): New patterns and splitters.
+ (reload_*): Use them.
+ (mov[qh]i): Likewise.
+
+Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * cccp.c (handle_directive): Handle backslash-newlines in quoted
+ strings correctly.
+
+Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
+
+ * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
+
+Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
+
+ * flow.c (mark_regs_live_at_end, insn_dead_p,
+ mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
+ and HARD_FRAME_POINTER_REGNUM special treatment if reload
+ hasn't run or the frame pointer is needed.
+ * haifa-sched.c (attach_deaths): Likewise.
+ * sched.c (attach_deaths): Likewise.
+
+Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (jump_optimize_1): Only set CAN_REACH_END if
+ calculate_can_reach_end returns nonzero.
+
+ * configure.in (native gas tests): Search for an assembler in the
+ same manner that the installed compiler will.
+ * configure: Rebuilt.
+ * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
+
+ * alias.c (find_base_term): Improve handling of addresses
+ constructed from binary operations.
+
+Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
+
+ * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
+
+Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
+
+ * function.h (cleanup_label, frame_offset): Declare.
+ (tail_recursion_label, tail_recursion_reentry): Likewise.
+ (arg_pointer_save_area, rtl_expr_chain): Likewise.
+ * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
+ (tail_recursion_label, tail_recursion_reentry): Likewise.
+ (arg_pointer_save_area, rtl_expr_chain): Likewise.
+
+Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
+
+ * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
+ defined.
+ * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
+ (MAX_OFILE_ALIGNMENT): Define.
+
+Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
+
+ * fixincl.c: Replace local include scheme with #includes of
+ gansidecl.h and system.h.
+ * procopen.c: Likewise.
+ * server.c: Likewise.
+
+Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
+
+ * i386/t-dgux (EXTRA_PARTS): Add crti.o
+ (crti.o): Add build rule and dependencies.
+ * fixinc/fixinc.dgux: Use modified _int_varargs.h
+
+Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
+ (LIB_LINUX_SPEC): Likewise.
+ (LIB_LINUX_SPEC): Add support for -pthread
+ (CPP_OS_LINUX_SPEC): Likewise.
+ (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
+ specified.
+
+Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
+
+ * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
+ conditional move.
+ (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
+ (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
+ for IEEE math and CC_FCOMI.
+ (put_jump_code): No IEEE if CC_FCOMI is set.
+
+1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * fold-const.c (fold_truthop): Make the field reference unsigned
+ when converting a single bit compare.
+
+Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
+
+Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
+
+ * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
+ * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
+ version did.
+
+ * reload.c (push_reload): Do not call remove_address_replacements
+ when presented with identical optional reloads.
+
+Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (MASK_FIX, TARGET_FIX): New.
+ (MASK_*): Reorganize constants.
+ (CPP_AM_FIX_SPEC): New.
+ (TARGET_SWITCHES): Add FIX.
+ (EXTRA_SPECS): Likewise.
+ (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
+ (SECONDARY_MEMORY_NEEDED): Likewise.
+ (REGISTER_MOVE_COST): Likewise.
+ * alpha.c (override_options): Add FIX support. Always use
+ ALPHA_TP_PROG for ev6.
+ * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
+ * alpha/elf.h (ASM_FILE_START): Look at FIX too.
+ * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
+
+Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * fold-const.c (fold): STRIP_NOPS when deciding whether or not
+ something is a candidate for optimize_bit_field_compare.
+
+Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * gcc.texi (Passes): Document branch-shortening.
+ * invoke.texi (Debugging Options): Document the fact that `-dp'
+ outputs length information for instructions.
+
+Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
+
+ * flow.c: Revert previous delta.
+
+Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
+
+ * flow.c (insn_dead_p): Check against frame_pointer_rtx not
+ FRAME_POINTER_REGNUM.
+ (mark_set_1): Ditto.
+ (mark_used_regs): Ditto.
+
+Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * arm.h (NEED_PLT_GOT): Fix mistake in last change.
+ (GOT_PCREL): New macro. Define to 1 if not already defined.
+ * arm/elf.h (GOT_PCREL): Define to 0.
+ * arm.c (arm_finalize_pic): Take into account the setting of
+ GOT_PCREL.
+
+Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
+
+ * output.h (STRIP_NAME_ENCODING): Provide default definition.
+ * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
+
+ * flow.c (mark_set_1): Do not record BLKmode stores as dead
+ store elimination candidates.
+
+Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
+ TARGET_GAS.
+
+Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
+
+ * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
+ Add use of x-aix41-gld.
+
+Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
+
+ * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
+ (ASM_OUTPUT_DESTRUCTOR): Define.
+
+Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
+ last CODE_LABEL in a loop if we have previously passed a jump
+ to the top of the loop.
+
+Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
+ applying Philip's patch.
+
+Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_end_bindings): Ignore any elements of VARS that
+ are not VAR_DECLs.
+
+Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (strength_reduce): Grow reg_single_usage as needed.
+
+Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
+ Also remove a useless comment.
+
+Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
+
+Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * collect2.c (main): Only generate import or export file and add
+ to link arguments if non-empty. Use xmalloc not alloca.
+ (write_{export,import}_file): Delete.
+ (write_aix_file): New function.
+ (locatelib): Use xmalloc not malloc.
+ (GCC_OK_SYMBOL): Do not check type if aix64.
+
+Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
+
+ Based on patch by Scott Bambrough and Pat Beirne:
+ * config/arm/arm.c (making_const_table): New variable.
+ * config/arm/arm.h (making_const_table): Declare.
+ (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
+ appropriate.
+ * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
+ Keep track of when we are building the constant table.
+
+Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/arm.c (arm_override_options): Fix erroneous warning
+ message.
+
+Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
+ defined.
+
+Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
+
+ * tm.texi (FUNCTION_ARG): Correct description of a stack element
+ in a PARALLEL.
+
+Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
+
+Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.c (output_mi_thunk): Enable full support again.
+
+Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (BRANCH_COST): Define.
+
+Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
+
+ * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
+
+Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * function.c (assign_stack_local): Align stack slot properly.
+ (assign_outer_stack_local): Likewise.
+
+Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.h (lang_expand_constant): Declare.
+ * toplev.c (lang_expand_constant): Define it.
+ * varasm.c (output_constant): Use it.
+
+Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
+ Change function definitions to K&R style.
+
+Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/fixincl.c: We must not ignore SIGCLD now.
+
+Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
+
+ * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
+ * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
+ (several places): omit static initialization
+ (process): use single fd, since only the read fd is used
+ * fixinc/gnu-regex.c: define 'const' away, if not supported
+ * fixinc/procopen.c(several places): omit static initialization
+ * fixinc/server.c: define 'volitile' away, if not supported
+
+1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
+ asm_fprintf and %L to generate the label name.
+ * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
+ (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
+
+Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (can_reverse_comparison_p): Do not abort if the comparison
+ insn for a conditional jump can not be found.
+
+Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
+ on variables in specific sections other than .sbss and .sdata.
+
+Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_return): Call start_cleanup_deferral and
+ end_cleanup_deferral around conditional code.
+
+Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
+ filename lists. Utilizes new "krstr" AutoGen function.
+ * fixinc/fixincl.x: Rebuilt.
+
+Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
+
+ * i386.c (output_float_compare): Avoid GNU-C extensions.
+
+Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
+
+ * version.c: Bump to distinguish mainline tree from the
+ gcc-2.95 branch.
+
+Tue May 18 03:53:37 1999 Craig Burley <craig@jcb-sc.com>
+
+ Improve open-coding of complex divide:
+ * flags.h: Declare new front-end-malleable flag.
+ * toplev.c: Define new flag.
+ * optabs.c (expand_cmplxdiv_straight): New function to do original
+ open-coding.
+ (expand_cmplxdiv_wide): New function to do new open-coding,
+ from Toon Moene, with changes (call to emit_barrier, dropping
+ of spurious `ok = 1;', plus the obvious `break;' -> `return 0;').
+ (expand_binop): A bit of spacing fixing, while at it.
+ Use new functions instead of inlining the open-coding code.
+
+Tue May 18 00:51:46 1999 Krister Walfridsson <cato@df.lth.se>
+
+ * configure.in (arm*-*-netbsd*): Use collect2.
+ (i[34567]86-*-netbsd*): Likewise.
+ (m68k*-*-netbsd*): Likewise.
+ (ns32k-*-netbsd*): Likewise.
+ (sparc-*-netbsd*): Likewise.
+ (vax-*-netbsd*): Likewise.
+ * configure: Rebuilt.
+
+Tue May 18 00:21:34 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cppspec.c: Insert -no-gcc into command line unless -gcc was
+ given by user.
+ * gcc.c (default_compilers): Define __GNUC__ and
+ __GNUC_MINOR__ only if -no-gcc was not given.
+ * objc/lang-specs.h: Likewise.
+ * cpp.texi: Document -x and -std options; explain that -lang
+ is no longer supported. Minor related corrections.
+
+Mon May 17 23:56:39 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * Makefile.in (stmp-fixproto): Pass location of mkinstalldirs to
+ fixproto.
+ * fixproto: Avoid unportable constructs such as `basename' and
+ `mkdir -p'. Use mkinstalldirs from the environment if `mkdir -p'
+ fails.
+
+ * fixinc/fixincl.c: Remove #error, it is not portable.
+
+Mon May 17 23:50:41 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * collect2.c (main): Fix typo in COLLECT2_HOST_INITIALIZATION.
+
+Mon May 17 19:45:41 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/fixincl.c (process): Wait for children from chain_open()
+ to avoid creating zombies.
+
+ * fixinc/inclhack.tpl: Removed no-op pipe.
+
+ * fixinc/inclhack.sh fixinc/fixincl.sh: regenerate
+
+Mon May 17 07:23:34 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.def (TYPE_NONCOPIED_PARTS): Revise documentation to match
+ reality.
+ * expr.c (init_noncopied_parts): Don't generate initializers for
+ parts that don't need them.
+
+Mon May 17 02:56:35 PDT 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Oct 31 05:08:34 CET 1998 Jan Hubicka (hubicka@freesoft.cz)
+
+ * reg-stack.c: Do not emit pop insns after cc0 setter.
+ (emit_pop_insn): Do not emit insn in case WHEN is NULL.
+ (compare_for_stack_reg): Update REG_DEAD note and
+ do not emit push insn.
+
+ * i386.c: (output_float_compare): Handle new REG_DEAD notes.
+
+Mon May 17 01:57:37 1999 David Daney <daney@ibw.com.ni>
+
+ * i386/sol2.h (LINK_SPEC): Do not pass "-z text" to the linker
+ if -mimpure-text.
+
+1999-05-17 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * m68k.c (standard_68881_constant_p): Don't accept -0.0 as valid
+ 68881 constant.
+
+ * fold-const.c (fold_truthop): When converting a one-bit
+ comparison don't sign extend the constant.
+
+ * cse.c (cse_insn): Copy SRC_CONST before putting it in the
+ REG_EQUAL note.
+
+1999-05-17 Mike Stump <mrs@wrs.com>
+
+ * rs6000/vxppc.h (CPP_SPEC): Fix support for vararg functions.
+
+Sat May 15 14:22:40 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/hackshell.tpl: Fix mis-applied patch.
+ * fixinc/inclhack.sh: Regenerated.
+
+Thu May 13 21:05:55 1999 Mark Kettenis <kettenis@gnu.org>
+
+ * fixinc/mkfixinc.sh: Add the Hurd (*-*-gnu*) to the list of
+ targets that do not need any fixes.
+
+Sat May 15 14:12:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (set_lo_sum+2): New splitter to load large
+ const_ints.
+
+Sat May 15 14:09:08 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (decrement_and_branch_on_count): Disabled.
+ (doloop_begin, doloop_end): New patterns.
+ (*rptb_init): Added extra operands.
+
+Fri May 14 21:31:36 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*umulqi3_highpart_clobber): Fix operand 2
+ constraints order.
+
+1999-05-14 Ulrich Drepper <drepper@cygnus.com>
+
+ * fixinc/fixinc.x86-linux-gnu (FD_ZERO): Fix operand numbers in
+ asm input operands.
+
+Thu May 13 15:34:18 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (mask_constant): Delete.
+ (mask_operand): Move mask_constant() body to here.
+ * rs6000.h (mask_constant): Delete declaration.
+ * rs6000.md (nabsdi2): Reverse subtraction in splitter.
+
+Thu May 13 02:25:01 1999 Jeffrey A Law (law@cygnus.com)
+
+ * cpp.texi: Fix some typos.
+
+Thu May 13 01:49:55 1999 Graham Stott <GrahamS@RCP.co.uk>
+
+ * loop.c (maybe_eliminate_biv): Check regno against
+ max_reg_before_loop.
+
+ * i386.c (memory_address_info): Correct the scale
+ factor test.
+
+Thu May 13 01:31:19 1999 Nick Burrett <nick.burrett@btinternet.com>
+
+ * arm.md (nop): Backout Apr 27 change. Ensure REGISTER_PREFIX is
+ applied to each register.
+ * aof.h (ASM_FILE_START): Define register `r0'.
+
+1999-05-12 20:22 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * configure.in: Make --enable-cpp and --with-cpp-install-dir
+ documented options. Enable the cpp driver by default.
+ * configure: Rebuilt.
+
+Wed May 12 18:08:48 1999 David Edelsohn <edelsohn@gnu.org>
+ Richard Henderson <rth@cygnus.com>
+
+ * rs6000.c (print_operand) [w]: Calculate signed constant more clearly.
+ (rs6000_allocate_stack_space): Print as hexadecimal value.
+ * rs6000.h (CONST_OK_FOR_LETTER_P): 'L' checks for a signed,
+ 16-bit shifted constant. Fix typo for 'P'.
+ (EXTRA_CONSTARINT): 'T' checks for a 32-bit mask operand.
+ * rs6000.md (movsi, addsi3_internal1, movdi, adddi3_internal1):
+ Use 'L' for shifted constant.
+ (anddi3_internal3): Fix typo.
+ (32-bit mask patterns): Use 'T'.
+
+Wed May 12 07:30:31 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/fixincl.c(quoted_file_exists): new procedure to ensure that
+ a file exists before trying to copy it into the destination
+ (extract_quoted_files): use that routine.
+
+Wed May 12 07:27:31 1999 Craig Burley <craig@jcb-sc.com>
+
+ Allow front end (like g77's) to override maintenance of errno:
+ * expr.c (expand_builtin): Bother with errno only if
+ flag_errno_math.
+ * flags.h: Declare flag_errno_math.
+ * toplev.c: Define flag_errno_math.
+
+Tue May 11 23:55:49 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixproto: Change "mkdir" calls to "mkdir -p"
+
+ * fixinc/inclhack.def (io_def_quotes): Consistently allow multiple
+ whitespace characters between the "define" and the name of the macro.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
+
+Tue May 11 20:46:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_expand_block_move): Handle TImode registers
+ used with ADDRESSOF.
+ (alpha_expand_block_clear): Handle ADDRESSOF specially.
+
+1999-05-11 Ulrich Drepper <drepper@cygnus.com>
+
+ * fixinc/fixinc.x86-linux-gnu (FD_ZERO): Remove unneccessary
+ memory output operand which irritates gcc.
+
+Tue May 11 11:45:16 1999 Dave Brolley <brolley@cygnus.com>
+
+ * toplev.c (documented_lang_options): Add -MD, -MMD, -M and -MM for
+ cpplib-enabled compilers.
+
+Tue May 11 11:34:56 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Add parentheses
+ around &&.
+
+Mon May 10 13:51:24 1999 Nick Clifton <nickc@cygnus.com>
+
+ * tm.texi (FUNCTION_ARG): Stack element of PARALLEL must come
+ first.
+
+Tue May 11 01:32:01 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/inclhack.def (sun_auth_proto): Apply to all targets.
+ (sysz_stdlib_for_sun): Similarly.
+ * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
+
+Mon May 10 20:34:10 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/mips/elf.h (UNIQUE_SECTION_P): Undef.
+ * config/mips/elf64.h (UNIQUE_SECTION_P): Undef.
+ * config/mips/mips.h (UNIQUE_SECTION_P): Define to 0.
+
+1999-05-10 18:21 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppfiles.c (initialize_input_buffer): New function.
+ (finclude): Call it, if pfile->input_buffer is NULL. Accept
+ any character device as an input file.
+ (read_and_prescan): Use pfile->input_buffer and
+ pfile->input_speccase.
+ * cppinit.c (cpp_cleanup): Free pfile->input_buffer and
+ pfile->input_speccase.
+ * cpplib.h (cpp_reader): Add input_buffer, input_speccase, and
+ input_buffer_len members. Use memcpy in CPP_PUTS_Q.
+
+ * cppmain.c: Buffer output in the token_buffer; throttle
+ number of calls to fwrite; check for errors from fwrite.
+
+1999-05-10 18:21 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cppspec.c: Treat two non-option arguments as input and
+ output file. Three or more non-option args is an error.
+ Clean up.
+ * gcc.c (default_compilers): Pass -$ to the preprocessor.
+ * objc/lang-specs.h: Likewise.
+
+Mon May 10 12:59:20 1999 Jeffrey A Law (law@cygnus.com)
+
+ * optabs.c (emit_cmp_and_jump_insns): Handle the case where both
+ operands to the comparison are constants.
+
+Mon May 10 07:28:10 1999 Bruce Korb <autogen@autogen.freeservers.com>
+
+ * fixinc/inclhack.def(arm_norcroft_hint): check before fixing
+ (no_double_slash): portability
+ (math_exception): added reminder comment
+
+Mon May 10 01:28:10 1999 Craig Burley <craig@jcb-sc.com>
+
+ From Fri May 7 9:31:41 1999 Donn Terry (donn@interix.com):
+ * varasm.c (mark_constant_pool): Add some transitive closure.
+
+Sun May 9 22:51:04 1999 Craig Burley <craig@jcb-sc.com>
+
+ Fix gcc.dg/990506-0.c:
+ * c-typeck.c (require_complete_type): Handle ERROR_MARK input.
+
+Sun May 9 13:19:12 1999 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (cprop_insn): Do not try to simplify a simple jump.
+
+Sun May 9 11:12:19 1999 Philip Blundell <bp@nexus.co.uk>
+
+ * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Add (PLT) to branch if
+ necessary. Reported by jim@federated.com.
+
+Sat May 8 23:05:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (PRINT_OPERAND_ADDRESS): Output "%r0", not "r0" for the
+ base register in an absolute memory address.
+ * pa.md (conditional moves): Avoid using immediate zero for
+ register zero.
+
+Sat May 8 06:23:21 1999 Philip Blundell <pb@nexus.co.uk>
+
+ Based on patch by Scott Bambrough:
+ * config/arm/arm.h (NEED_PLT_GOT): New macro. Set to 0 if not
+ already defined.
+ * config/arm/elf.h (NEED_PLT_GOT): Define to flag_pic.
+ * config/arm/arm.md (call_symbol, call_value_symbol et al.): If
+ NEED_PLT_GOT is true, add explicit "(PLT)" to generated branches.
+ * config/arm/arm.c (output_func_epilogue,
+ output_return_instruction): Likewise for calls to abort.
+
+Sat May 8 01:57:58 1999 Donn Terry (donn@interix.com)
+
+ * calls.c (rtx_for_function_call): Extend function pointer being
+ passed to chkr_check_exec_libfunc, if needed.
+
+Sat May 8 01:51:50 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * ginclude/stdarg.h (__va_rounded_size): Use long type for
+ rounding on AIX.
+ * ginclude/varargs.h: Likewise.
+
+Sat May 8 01:47:20 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * invoke.texi: Remove duplicates in the description of -d
+ letters. Fix use of @item vs. @itemx.
+
+Sat May 8 01:43:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h (RS6000_VARARGS_OFFSET): Die die die.
+ (CUMULATIVE_ARGS): Remove varargs_offset; update commentary.
+ * rs6000.c (setup_incoming_varargs): Fix typo last change.
+ (init_cumulative_args): Remove varargs_offset references.
+
+ * rs6000/linux.h (NO_IMPLICIT_EXTERN_C): Define.
+ (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Undefine.
+
+Sat May 8 01:34:19 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * reload1.c (gen_mode_int): New function.
+ (reload_cse_move2add): Use it to generate the new constants.
+
+Sat May 8 01:25:09 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * varasm.c (output_constant): Do nothing if -fsyntax-only.
+
+Fri May 7 19:10:15 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * sparc.h (GO_IF_LEGITIMATE_ADDRESS): Prohibit REG+REG addressing
+ for TFmode when there are no instructions which accept REG+REG
+ instructions.
+
+Fri May 7 12:38:54 1999 Jim Wilson <wilson@cygnus.com>
+
+ * mips/elf64.h (MAKE_DECL_ONE_ONLY, UNIQUE_SECTION_P): Define.
+ * mips/mips.c (mips_select_rtx_section): When TARGET_MIPS16, use
+ function_section instead of text_section.
+ * mips/mips.h (ENCODE_SECTION_INFO): Add check for UNIQUE_SECTION_P
+ in TARGET_MIPS16 STRING_CST handling.
+
+Fri May 7 09:54:11 1999 Nick Clifton <nickc@cygnus.com>
+
+ Patch from: Nick Burrett <nick.burrett@btinternet.com>
+
+ * arm.c (arm_poke_function_name): New function to implement
+ -mpoke-function-name.
+ * aof.h (ASM_DECLARE_FUNCTION_NAME): Call it.
+ * aout.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ * elf.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ * arm.h: Prototype it.
+ (TARGET_SWITCHES): Add `no-poke-function-name'.
+
+Fri May 7 14:19:31 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/server.c (load_data): Cast text_size to long, adapt
+ format.
+ * fixinc/server.c (read_pipe_timeout): Declare volatile, modified
+ in signal handler.
+ (sig_handler): Add debug code.
+ * fixinc/server.c (run_shell): Don't \-escape cd, it breaks the
+ Ultrix V4.3 /bin/sh.
+ * fixinc/server.c (def_args): Use static instead of STATIC to
+ avoid redefinition error from linker iff DEBUG.
+
+ * fixinc/hackshell.tpl: Don't strip trailing directory from
+ DESTDIR - that is already done
+
+ * fixinc/fixincl.c (run_compiles): fix memory leak
+
+Thu May 6 20:34:00 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * resource.c (mark_referenced_resources): Make volatil
+ monotonically increasing.
+ (mark_set_resources): Likewise.
+
+Thu May 6 20:02:33 1999 Fred Fish <fnf@be.com>
+
+ * rs6000/xm-beos.h (HAVE_VPRINTF): Don't redefine if already defined.
+ (HAVE_PUTENV, HAVE_ATEXIT, HAVE_RENAME): Likewise.
+
+Wed May 5 20:28:32 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * install.texi (Header Dirs): s/GPLUS/GPLUSPLUS/.
+
+Wed May 5 23:44:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * unroll.c (copy_loop_body): Don't copy VTOP notes from copy_notes_from.
+
+Wed May 5 16:26:13 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * function.c (purge_addressof_replacements): Rename into
+ purge_bitfield_addressof_replacements.
+ (purge_addressof_replacements): New variable.
+ (purge_addressof_1): Add code for changing addressof in notes for
+ field values which are extracted by usage MEM with narrower mode.
+ (purge_addressof): Initialize purge_bitfield_addressof_replacements.
+
+Wed May 5 07:40:02 1999 Nick Clifton <nickc@cygnus.com>
+
+ Patch from: Nick Burrett <nick.burrett@btinternet.com>
+ * config/arm/arm.h (ARM_MCOUNT_NAME): Define.
+ (FUNCTION_PROFILER): Remove assembler dialect dependency and use
+ ARM_MCOUNT_NAME.
+ (TRAMPOLINE_TEMPLATE): Remove assembler dialect dependency.
+
+ * config/arm/aof.h (ARM_MCOUNT_NAME): Define.
+
+1999-05-05 09:58 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * gcc.c (default_compilers): Fix brace nesting bug.
+ * objc/lang-specs.h: Use %i, not %g.mi, for the input file
+ when processing an .mi file.
+
+Tue May 4 13:17:55 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * resource.c (mark_set_resources): Handle UNSPEC_VOLATILE,
+ ASM_INPUT, TRAP_IF, and ASM_OPERANDS just like in
+ mark_referenced_resources.
+
+Mon May 3 22:38:41 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Change non-PowerPC
+ and AIX64 combination to warning. Add warning for disabling
+ PowerPC64 support when using 64-bit mode.
+ (LIB_SPEC): Do not link with libg.a in 64-bit mode.
+ (LINK_SPEC): Do not export libg.exp symbols in 64-bit mode.
+ * rs6000/rs6000.h (MY_ISCOFF): Treat import/export files as valid
+ XCOFF files.
+ (read_only_data_section, private_data_section,
+ read_only_private_data_section): Always align CSECTs to doubleword
+ boundary regardless of mode.
+ (TEXT_SECTION_ASM_OP): Align text CSECT on doubleword boundary in
+ 64-bit mode.
+ (DATA_SECTION_ASM_OP): Always align CSECT to doubleword boundary.
+ (ASM_OUTPUT_LOCAL): Use rounded size in 64-bit mode to
+ maintain doublword alignment.
+
+Mon May 3 14:45:23 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.md (btst insns): btst does not leave cc0 in a usable
+ state for redundant tst eliminatino.
+ * mn10300.md (btst insns): Likewise.
+
+Mon May 3 16:14:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.h (Pmode): Revert Oct 14th change which added a cast.
+
+Sun May 2 14:02:21 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (struct tree_decl): Add comdat_flag.
+ (DECL_COMDAT): Define it.
+ * toplev.c (wrapup_global_declarations): Don't output a
+ DECL_COMDAT function just because it's public.
+
+Sun May 2 15:16:42 1999 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * pdp11.h (TARGET_SWITCHES): Fix error in previous change.
+ (ASSEMBLER_DIALECT): Define.
+ (CONDITIONAL_REGISTER_USAGE): Rename floating point registers if
+ required for the UNIX assembler.
+ (ASM_OUTPUT_INT): Remove. The compiler will synthesize it.
+ (ASM_OUTPUT_ADDR_VEC_PROLOGUE): Remove.
+ (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Change to "[" and "]".
+ (TRAMPOLINE_TEMPLATE): Use ASM_OUTPUT_SHORT.
+ * pdp11.c (output_addr_const_pdp11): Copy of output_addr_const
+ adapted to output constants in octal.
+ * pdp11.c, pdp11.h, pdp11.md: Use output_addr_const_pdp11 instead
+ of output_addr_const. Output constants in octal. Use assembler
+ dialect alternatives where DEC and UNIX assemblers use different
+ instruction names.
+
+Sun May 2 01:15:06 PDT 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Fri Apr 30 13:55:43 1999 Richard Henderson <rth@cygnus.com>
+
+ * va-ppc.h (__va_start_common): Let __builtin_saveregs do the work.
+ * rs6000.c (expand_builtin_saveregs): For V4, initialize a private
+ va_list struct, and return a pointer to it.
+ (setup_incoming_varargs): V4 save area based off virtual_stack_vars
+ instead of frame_pointer.
+
+Thu Apr 29 23:02:22 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * emit-rtl.c (start_sequence): Expand comments.
+ (start_sequence_for_rtl_expr): Likewise.
+ (push_to_sequence): Likewise.
+ (end_sequence): Likewise.
+ * expr.c (inhibit_defer_pop): Likewise.
+ * expr.h (inhibit_defer_pop): Likewise.
+ (NO_DEFER_POP): Likewise.
+ (OK_DEFER_POP): Likewise.
+
+Thu Apr 29 22:13:46 1999 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in (i?86-UnixWare7*-sysv): Set thread_file to 'posix'
+ --enable-threads[={yes,pthreads,posix}] is passed as a command
+ line parameter to configure.
+ * config/i386/sysv5.h (LIB_SPEC): Add support for '-pthread'.
+ (CPP_SPEC): Likewise.
+
+Thu Apr 29 17:23:59 1999 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (operand_subword): Religiously mask and sign-extend
+ from 32-bits to HOST_WIDE_INT.
+
+Thu Apr 29 15:58:52 1999 Robert Lipe <robertlipe@usa.net>
+
+ * fixinc/regex.c, fixinc/regex.h: Removed. Replace with...
+ * fixinc/gnu-regex.c, fixinc/gnu-regex.h: Imported from GDB 4.18.
+ * fixinc/Makefile.in (OBJ, HDR): Handle name changes from above.
+ (gnu-regex.o): Define REGEX_MALLOC to avoid memory leak.
+ * fixinc/fixincl.c: new regex.h header name
+ * Makefile.in: new regex.[ch] file names
+
+Thu Apr 29 12:53:33 1999 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (emit_call_1): Pass rounded_stack_size to emit_call
+ instead of the unrounded size.
+
+1999-04-28 14:40 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/mkfixinc.sh: Makesure the result shell script is writable
+
+Wed Apr 28 10:36:39 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * config/m68k/m68k.md (cmpsi+1): Use cmp.w when comparing a 16 bit
+ constant with an address register.
+
+Wed Apr 28 00:14:41 PDT 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Tue Apr 27 19:50:25 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * rtl.h (REG_EH_REGION): Update comment to indicate a value of -1
+ indicates no throw and no nonlocal gotos.
+ * optabs.c (emit_libcall_block): Emit REG_EH_REGION with a value
+ of -1 instead of 0 to indicate a nonlocal goto won't happen either.
+ * flow.c (count_basic_blocks, find_basic_blocks_1): Ignore libcall
+ blocks, look for REG_EH_REGION note exclusively.
+ (make_edges): Check for REG_EH_REGION > 0 for specified handlers.
+
+Tue Apr 27 15:33:42 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (read_only_data_section, private_data_section,
+ read_only_private_data_section, toc_section): Align CSECT on
+ doubleword boundary for 64-bit target.
+ (DATA_SECTION_ASM_OP): Likewise.
+ * rs6000.c (rs6000_stack_info): Leaf procedure stack limit is 288.
+
+Tue Apr 27 20:19:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (insv): Use copy_addr_to_reg.
+
+ * final.c (insn_lengths_max_uid): New variable.
+ (init_insn_lengths, shorten_branches): Set it.
+ (get_attr_lengths): Test insn uid against insn_lengths_max_uid.
+
+1999-04-27 08:32 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
+ (compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.
+
+Tue Apr 27 01:33:43 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (ORDINARY_FLAGS_TO_PASS): Renmaed from FLAGS_TO_PASS.
+ Remove "CC".
+ (FLAGS_TO_PASS): New variable.
+
+Tue Apr 27 00:36:44 1999 Nick Burrett <nick.burrett@btinternet.com>
+
+ * arm.md (nop): Output instruction using output_asm_insn to fix
+ assembler dialect problems.
+
+Mon Apr 26 23:55:50 1999 Robert Lipe <robertlipe@usa.net>
+
+ * Makefile.in (fixinc.sh): Fix dependencies.
+
+ * fixinc/inclhack.def (avoid_bool): Enable match if typedefs are
+ prepended by spaces.
+ (sco5_stat_wrappers): New fix. Make sys/stat.h C++ safe.
+ * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
+
+Mon Apr 26 23:28:54 1999 Mumit Khan <khan@xraylith.wisc.edu>
+ Donn Terry <donn@interix.com>
+
+ * function.c (put_var_into_stack): Change ptr_mode to Pmode
+ in setup for chkr_set_right_libfunc calls.
+ (assign_params): Likewise.
+ * expr.c (emit_push_insn): Change ptr_mode to Pmode in
+ setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
+ (expand_assignment): Change ptr_mode to Pmode in
+ setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
+ (store_expr): Change ptr_mode to Pmode in
+ setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
+ (expand_expr): Change ptr_mode to Pmode in
+ setup for chkr_check_addr_libfunc.
+ (expand_builtin): Change ptr_mode to Pmode in
+ setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
+ chkr_check_addr_libfunc.
+ * calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
+ setup for chkr_check_exec_libfunc.
+ (expand_call): Change ptr_mode to Pmode in
+ setup for chkr_set_right_libfunc.
+ (expand_call): Change ptr_mode to Pmode in
+ setup for chkr_set_right_libfunc.
+ (store_one_arg): Change ptr_mode to Pmode in
+ setup for chkr_set_right_libfunc.
+
+ * c-parse.in (absdcl1): Allow attributes in explicit typespecs.
+ (%expect): Update.
+ * c-parse.y: Regenerate.
+ * c-parse.c: Likewise.
+ * objc/objc-parse.c: Likewise.
+ * objc/objc-parse.y: Likewise.
+
+Mon Apr 26 21:17:41 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-pragma.c (push_alignment): Don't ignore alignments greater than
+ 4 bytes.
+ (handle_pragma_token): Likewise.
+
+ * c-pragma.c: Support for #pragma pack (push, <id>, <n>).
+ (struct align_stack): Add id field.
+ (push_alignment, pop_alignment): Take id parameter.
+ (handle_pragma_token): Add necessary states.
+ * c-pragma.h (enum pragma_state): Add necessary states.
+
+Tue Apr 27 13:58:23 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*cmpqf, *cmpqf_noov, *cmpqi_test,
+ *cmpqi_test_noov): Remove ? modifier from constraints list.
+ (*smulqi3_highpart_clobber, *umulqi3_highpart_clobber): Swap
+ output strings to match new constraint ordering.
+
+1999-04-26 19:16 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpphash.c (dump_definition): New function.
+ * cpphash.h: Prototype it.
+
+ * cpplib.c (handle_directive): Don't output anything here.
+ Streamline.
+ (pass_thru_directive): Take a length, not a pointer to the
+ end. All callers changed.
+ (do_define): Handle -dD, -dN, -g3 entirely here. Streamline.
+ (do_include): Handle -dI here.
+ (do_ident): Correct to match cccp.
+ (do_pragma): Copy the pragma through here.
+ (do_assert, do_unassert): Tidy.
+
+ * cppinit.c (cpp_finish): If -dM was specified, walk the macro
+ hash table and call dump_definition on all the entries.
+ * cppmain.c: cpp_finish may produce output.
+
+Mon Apr 26 15:27:33 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.c (compile_file): Move call to check_global_declarations
+ after output_exception_table to restore behavior as it was before
+ 1999-04-22 change.
+
+1999-04-26 10:50 -0700 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/fixincl.c: Improve the handling of child process exits
+ * fixinc/server.[ch]: Export the interface for shutting down
+ the server process
+ * fixinc/inclhack.tpl: Remove unnecessary character quote
+ * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate
+
+Mon Apr 26 10:41:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * alpha.md (builtin_setjmp_receiver): Use a label_ref instead of
+ a code label.
+
+1999-04-26 09:47 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * rtl.texi: Document the rtl classes and their relation to
+ formats.
+
+Mon Apr 26 01:02:38 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (fix_trunc patterns): Use reg_no_subreg_operand on op0
+ for less work in reload.
+ (movsf and movdf patterns): Put fp reg alternatives first.
+
+Mon Apr 26 01:55:56 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * configure.in (openbsd): Factorize xmake_file.
+ (ix86 openbsd): Trim obsolete comment.
+ (vax openbsd): Fix typo.
+ * configure: Rebuilt.
+
+Mon Apr 26 01:30:59 1999 Donn Terry <donn@interix.com>
+
+ * expr.c (expand_assignment): Improve test for pointer type.
+
+Mon Apr 26 00:26:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (print_operand_address): Account for the subreg word.
+
+Mon Apr 26 01:08:36 1999 Toshiyasu Morita (tm@netcom.com)
+
+ * fold-const.c (make_range): Always initialize arg0 and arg1.
+ (fold): Similarly for alt0 and alt1.
+ * function.c (fixup_var_refs_insns): Initialize insn_list.
+ (instantiate_virtual_regs_1): Initialize offset.
+ * optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
+ and op1_xhigh.
+ * stmt.c (expand_end_case): Initialize minval and maxval.
+
+Mon Apr 26 01:02:34 1999 Nathan Sidwell <nathan@acm.org>
+
+ * toplev.c (report_error_function): Reorder file stack and
+ function name printing. Ignore FILE parameter.
+
+Mon Apr 26 00:58:54 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * pa.h (architecture_type): New enum.
+ (pa_arch_string, pa_arch): Declare.
+ (MASK_PA_10, MASK_PA_20): New flags.
+ (TARGET_SWITCHES): Add pa-risc-2-0. Update docs for PA1.0 codegen.
+ (TARGET_OPTIONS): Add -march= option.
+ * pa.c (pa_arch, pa_arch_string): Define.
+ (override_options): Set them.
+ * pa/pa-hpux10.h (ASM_FILE_START): Output LEVEL 2.0 asm directive for
+ 2.0 architecture.
+ * invoke.texi (Option Summary, HPPA Options): Document new
+ architecture flags.
+
+ * pa/pa-hpux.h, pa/pa-hpux10.h, pa/pa-hpux9.h, pa/pa-osf.h, pa.h,
+ pa.c, pa.md, configure.in, configure: Replace TARGET_SNAKE by
+ TARGET_PA_11 and MASK_SNAKE by MASK_PA_11.
+
+Mon Apr 26 00:28:25 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * flags.h (inline_max_insns): Declare.
+ * integrate.c (inline_max_insns): New variable.
+ (function_cannot_inline_p): Use it.
+ * toplev.c (main): Add the flag -finline-limit-n.
+ (display_help): Document -finline-limit-n.
+ * invoke.texi: Document -finline-limit-n
+
+Sun Apr 25 23:03:32 1999 Richard Henderson <rth@cygnus.com>
+
+ * stmt.c (expand_asm_operands): Reload in-out reg-only memory operands.
+
+Sun Apr 25 13:06:13 1999 Richard Henderson <rth@cygnus.com>
+
+ * function.c (assign_parms/STACK_BYTES): Revert last change,
+ and that of 19 Nov.
+
+Sun Apr 25 12:30:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * calls.c (emit_call_1): New arg rounded_stack_size; update callers.
+ Update pending_stack_adjust based on this value.
+ (compute_argument_block_size): Include pending_stack_adjust in
+ PREFERRED_STACK_BOUNDARY alignment.
+ * function.c (assign_parms): Don't round to PREFERRED_STACK_BOUNDARY.
+
+Sun Apr 25 14:38:10 EDT 1999 John Wehle (john@feith.com)
+
+ * stupid.c (stupid_mark_refs): Generate a REG_UNUSED note
+ for a register which is clobbered even if the register
+ was used by an earlier instruction.
+
+ * i386.md (fix_truncsfdi2, fix_truncdfdi2,
+ fix_truncxfdi2): Don't bother with the gen_reg_RTX.
+ (fix_truncsfsi2, fix_truncsfdi2, fix_truncdfsi2,
+ fix_truncdfdi2, fix_truncxfsi2, fix_truncxfdi2): Update
+ operand constraints and modes.
+ * i386.c (output_fix_trunc): Use HImode register to avoid
+ memory stalls. Call output_move_double instead of output_to_reg.
+ (output_to_reg): Remove.
+ * i386.h: Likewise.
+
+ * i386.md (negsf2, negdf2, negxf2): Set the type
+ attribute to fpop.
+
+Sat Apr 24 23:15:57 1999 Donn Terry (donn@interix.com)
+
+ * alpha.md (call_value_nt): Correct subscripts.
+
+Sat Apr 24 20:49:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (PRINT_OPERAND_ADDRESS): Break out to ...
+ * alpha.c (print_operand_address): here. Handle subregs.
+
+Fri Apr 23 22:35:41 EDT 1999 John Wehle (john@feith.com)
+
+ * acconfig.h (HAVE_GAS_FILDS_FISTS): Add.
+ * configure.in: Check assembler instructions.
+ * configure: Rebuild.
+ * config.in: Likewise.
+ * 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.
+
+Fri Apr 23 16:57:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_write_verstamp): Mark `file' unused.
+ * alpha.h (FUNCTION_VALUE): Use gen_rtx_REG not gen_rtx.
+ (LIBCALL_VALUE): Likewise.
+ (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Handle normal subregs.
+
+Fri Apr 23 14:57:33 1999 Donn Terry <donn@interix.com>
+
+ * alpha32.h (INITIALIZE_TRAMPOLINE): Get offsets right.
+
+ * alpha.c (alpha_initialize_trampoline): Add covert_memory_address
+ calls as needed.
+
+Fri Apr 23 14:36:47 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_expand_prologue): Don't negate frame size
+ for use with subq.
+
+Fri Apr 23 09:43:18 1999 Nick Clifton <nickc@cygnus.com>
+
+ * print-rtl.c (print_rtx): Display LABEL_NUSES for labels.
+
+Thu Apr 22 23:08:37 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.h (wrapup_global_declarations): Declare.
+ (check_global_declarations): Likewise.
+ * toplev.c (wrapup_global_declarations): New function, split out
+ from ...
+ (check_global_declarations): Likewise...
+ (compile_file): Here.
+
+Thu Apr 22 22:34:41 1999 Richard Henderson <rth@cygnus.com>
+
+ * c-parse.in (expr_no_commas): Verify we've an expr before
+ calling C_SET_EXP_ORIGINAL_CODE.
+
+Thu Apr 22 22:22:15 EDT 1999 John Wehle (john@feith.com)
+
+ * toplev.c (rest_of_compilation): Always set
+ current_function_uses_only_leaf_regs appropriately.
+
+Thu Apr 22 14:39:43 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/xm-cygwin.h (HAVE_BCOPY): Delete unneeded macro.
+ (HAVE_BZERO): Likewise.
+ (HAVE_BCMP): Likewise.
+ (HAVE_RINDEX): Likewise.
+ (HAVE_INDEX): Likewise.
+ (DIR_SEPARATOR_2): Define.
+ (GET_ENV_PATH_LIST): Turn path lists into POSIX.
+ (PATH_SEPARATOR): Use ':'.
+
+1999-04-22 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * configure.in: enable disabling of fast fixincludes
+ * configure: regenerate
+
+1999-04-21 14:55 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * gen-protos.c: #undef abort after including system.h.
+ Delete defns of fancy_abort and fatal.
+ * fix-header.c: Delete defn of fancy_abort.
+
+Wed Apr 21 12:09:38 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * cccp.c (simplify_filename): Always preserve leading double slash.
+
+Wed Apr 21 18:15:55 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md: Add new peepholes to remove redundant loads.
+
+Wed Apr 21 17:41:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (binary patterns): Reorder alternatives
+ so that two operand instructions are chosen before three operand
+ instructions.
+
+Tue Apr 20 23:38:58 1999 Nathan Sidwell <nathan@acm.org>
+
+ * objc/Make-lang.in (objc-parse.c): Put BISON parameters in correct
+ order.
+
+ * Makefile.in (c-parse.c): Put BISON parameters in correct
+ order.
+
+Tue Apr 20 16:38:11 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (nt_lda): New pattern.
+ * alpha.c (alpha_expand_prologue): Use it for large frames
+ under windows nt.
+
+Tue Apr 20 17:57:14 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/arm/arm.md (movhi): Add check for odd offset.
+
+Tue Apr 20 13:14:58 EDT 1999 John Wehle (john@feith.com)
+
+ * i386.c (output_move_double): Abort if a non-offsettable
+ memory operand is encountered. Delete unused code.
+ (find_addr_reg): Remove.
+
+Mon Apr 19 21:13:02 1999 Craig Burley <craig@jcb-sc.com>
+
+ * tree.def (BLOCK): Fix typo in comment.
+
+1999-04-19 14:51 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpplib.c (output_line_command): Drop CONDITIONAL argument.
+ We can omit unnecessary line commands if file_change ==
+ same_file and pfile->lineno != 0. All callers changed.
+ (cpp_get_token [case '\n']): Don't bump pfile->lineno if
+ CPP_OPTIONS (pfile)->no_line_commands is set.
+ * cpplib.h: Fix prototype of output_line_command.
+
+1999-04-18 17:46 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppfiles.c (find_position, read_and_prescan): Use `unsigned
+ long' variables consistently to count line and column numbers.
+
+Sun Apr 18 15:50:33 EDT 1999 John Wehle (john@feith.com)
+
+ * output.h (current_function_is_leaf,
+ current_function_uses_only_leaf_regs): Declare.
+ * function.c (current_function_is_leaf,
+ current_function_uses_only_leaf_regs): Define.
+ (init_function_start): Initialize current_function_is_leaf
+ and current_function_uses_only_leaf_regs.
+ * final.c (leaf_function): Don't define.
+ (final_start_function): Replace uses of leaf_function with
+ current_function_uses_only_leaf_regs.
+ * toplev.c (rest_of_compilation): Set current_function_is_leaf
+ prior to invoking local register allocation.
+ (rest_of_compilation): Replace uses of leaf_function with
+ current_function_uses_only_leaf_regs.
+ * dbxout.c (dbxout_symbol, dbxout_parms): Likewise.
+ * dwarf2out.c (add_location_or_const_vaule_attribute): Likewise.
+ * dwarfout.c (add_location_or_const_value_attribute): Likewise.
+ * sdbout.c (sdbout_symbol): Likewise.
+ * sparc.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
+ * sparc.c (eligible_for_epilogue_delay, output_return,
+ sparc_return_peephole_ok): Likewise.
+ * sparc.md (leaf_function attribute, untyped_return): Likewise.
+ * i386.c (ix86_compute_frame_size): Don't align the stack
+ for leaf functions which don't allocate any stack slots.
+ * tm.texi: Update documentation.
+
+Sun Apr 18 02:15:09 PDT 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Apr 18 00:08:45 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Correct last change --
+ make sure FP_BASE_P registers are only used with an integer.
+
+Sat Apr 17 22:54:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (REG_OK_FP_BASE_P): New macro.
+ (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Use it.
+ * alpha.md (adddi3+1): New insn to handle large constants off
+ the soft frame pointer.
+ (adddi3+2): Don't split soft frame pointer or arg pointer additions.
+
+Sun Apr 18 17:24:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (legitimize_operands): Use rtx_cost
+ to determine if it is worthwhile forcing a constant into a register.
+ * config/c4x/c4x.h (CONST_COSTS): An integer value of 255 or 65535
+ used with a logical and or an integer value of 16 or 24 used with
+ a right shift has zero cost on the C40.
+
+Sat Apr 17 21:30:11 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * gcse.c (compute_local_properties): If setp is nonzero, clear
+ TRANSP instead of setting it to all ones.
+
+Sat Apr 17 21:10:10 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (i386_preferred_stack_boundary_string): New global variable.
+ (i386_preferred_stack_boundary): New global variable.
+ (override_functions): Set it. Tidy option setting code.
+ * i386.h (TARGET_OPTIONS): New command line option.
+ (i386_preferred_stack_boundary_string): Declare it.
+ (i386_preferred_stack_boundary): Likewise.
+ (PREFERRED_STACK_BOUNDARY): Use i386_preferred_stack_boundary.
+
+Sat Apr 17 19:22:38 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (k6_cost): Take into account the decoding time.
+
+Sat Apr 17 19:13:22 1999 Donn Terry <donn@interix.com>
+
+ * i386.h (PRINT_OPERAND_PUNCT_VALID_P): Allow _.
+ * i386.c (print_operand): New %_ operator.
+ (load_pic_register): Proper number of leading _ in GOT literal.
+ * i386.md (prologue_get_pc_and_set_got): Likewise.
+ * i386/unix.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+Sat Apr 17 19:13:07 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (alpha_expand_prologue): Use gen_adddi3 instead of
+ emit_move_insn+plus_constant. For NT, don't use the stack probe
+ loop pointer to allocate stack space.
+ * alpha.md (adddi3): Always use lda to set the stack pointer.
+
+1999-04-17 20:11 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * c-aux-info.c, emit-rtl.c, explow.c, expmed.c, gcse.c,
+ haifa-sched.c, optabs.c, reorg.c, resource.c, sched.c: Include
+ toplev.h for real declaration of trim_filename.
+ * Makefile.in: Update dependencies.
+
+Sat Apr 17 14:36:19 1999 Craig Burley <craig@jcb-sc.com>
+
+ * tree.c (chainon): Check for circularity only if
+ ENABLE_CHECKING is defined.
+
+1999-04-17 10:15 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cccp.c: Make fatal non-static.
+
+Sat Apr 17 23:47:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*andqi3_255_clobber,*andqi3_65535_clobber):
+ New logical and patterns using C40 bit-field insert instructions.
+ (*lshrqi3_24_clobber,*ashrqi3_24_clobber,*lshrqi3_16_clobber,
+ *ashrqi3_16_clobber): New shift patterns using C40 bit-field insert
+ instructions.
+
+1999-04-16 22:44 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * system.h: Always prototype abort. Prototype fatal. Define
+ abort to call fatal, not fprintf/exit. Define a stub macro
+ for trim_filename.
+ * toplev.c: Define DIR_SEPARATOR. (trim_filename): New
+ function.
+ * toplev.h: Prototype trim_filename, and #undef system.h's stub.
+
+ * gcc.c, genattr.c, genattrtab.c, gencodes.c, genconfig.c,
+ genemit.c, genextract.c, genflags.c, genopinit.c, genoutput.c,
+ genpeep.c, genrecog.c: Make fatal non-static.
+ * gcov.c, gengenrtl.c, protoize.c: #undef abort after
+ including system.h.
+
+ * config/i386/dgux.h, config/m68k/xm-amix.h: Remove stale code
+ relating to abort.
+
+Sat Apr 17 11:25:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (mulqf3_clrqf_clobber, mulqi3_clrqi_clobber):
+ New patterns to support parallel multiply and load of zero.
+
+Fri Apr 16 01:23:47 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * tree.c (valid_machine_attribute): If we're modifying the
+ FUNCTION_TYPE within a POINTER_TYPE and we don't get a decl,
+ update the POINTER_TYPE.
+
+Fri Apr 16 00:19:31 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (x86_adjust_cost): Move break statement to correct place.
+
+Thu Apr 15 23:17:33 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * pa.h (HAVE_PRE_INCREMENT, HAVE_POST_INCREMENT,
+ HAVE_PRE_DECREMENT, HAVE_POST_DECREMENT): Fix pa_cpu value from
+ 8000 to PROCESSOR_8000.
+
+Thu Apr 15 20:46:57 1999 Donn Terry (donn@interix.com)
+
+ * expr.c (expand_assignment): Force pointers to proper mode if
+ POINTERS_EXTEND_UNSIGNED is defined.
+
+ * xm-alpha.h (alloca.h): Add Interix to list of special machines
+ that don't like alloca.h, pending using autoconf results.
+
+ * except.c (start_catch_hadler): Be sure rtime_address is Pmode
+ if POINTERS_EXTEND_UNSIGNED.
+
+ * except.c (expand_eh_return): Force pointers to proper mode if
+ POINTERS_EXTEND_UNSIGNED.
+
+Thu Apr 15 23:13:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h: Tweaked comment formatting.
+ * config/c4x/c4x.c: Likewise.
+
+Thu Apr 15 02:45:19 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * aclocal.m4 (GCC_FUNC_MKDIR_TAKES_ONE_ARG): Define.
+ * configure.in: Use.
+ * configure: Rebuilt.
+ * acconfig.h (MKDIR_TAKES_ONE_ARG): Add.
+ * config.in: Rebuilt.
+ * system.h: Use.
+
+Thu Apr 15 01:03:21 1999 Jan Hubicka <hubicka@freesoft.cz>
+ Jeff Law <law@cygnus.com>
+
+ * i386.md (QImode add pattern): Support lea instruction.
+ (HImode add pattern): Likewise.
+
+ * i386.md (ashlsi patterns): Call output_ashl instead of output_ashlsi3.
+ (ashlqi): Use expander, separate LEA and SAL / ADD patterns; call
+ output_ashl.
+ (ashlhi): Likewise.
+ * i386.h (output_ashl): Renamed from output_ashlsi3.
+ * i386.c (output_ashl): Likewise; support HImode and QImode operands
+ as well.
+
+ * i386.md (notsi, nothi, xorsi, xorhi, and xorqi patterns): Call
+ memory_address_displacement_length instead of memory_address_length.
+ * i386.c (memory_address_info): Renamed from memory_address_length.
+ Accept new argument DISP_LENGTH. All callers changed. If DISP_LENGTH,
+ then return the displacement length. Else return length of the
+ entire memory address. Handle MULT case correctly.
+ * i386.h (memory_address_info): Update declaration.
+
+ * i386.md (memory_bit_test): Fix paren error.
+
+Wed Apr 14 21:29:18 1999 Andrew Haley <aph@cygnus.com>
+
+ * flow.c: (make_edges): Always make edges from a basic block
+ to its exception handlers, even if the block ends with a jump.
+
+1999-04-14 23:26 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * graph.c (node_data): Return void. Ignore result of
+ print_rtl_single. Change caller to match.
+ * integrate.c (subst_constants): Initialize op0_mode to an
+ invalid mode, and abort before use if it's still invalid.
+ (Can only happen if the RTX_CLASS, RTX_FORMAT tables are corrupted.)
+ * objc/objc-act.c (get_objc_string_decl,
+ build_selector_translation_table, generate_protocol_list,
+ synth_id_with_class_suffix, build_keyword_selector,
+ build_selector_expr, gen_declarator): Abort when the tree
+ structure is corrupted.
+
+Wed Apr 14 19:57:49 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (alpha interix): Use symbolic names to set
+ target_cpu_default.
+ * configure: Rebuilt.
+
+ * explow.c (allocate_dynamic_stack_space): Undo last change. Use
+ convert_memory_address instead.
+
+Wed Apr 14 19:42:02 1999 Donn Terry (donn@interix.com)
+
+ * alpha/lib1funcs.asm: New file.
+ * alpha/t-interix (lib1funcs.asm): Add to build.
+
+ * explow.c (allocate_dynamic_stack_space): Correctly convert TARGET
+ to Pmode.
+
+Wed Apr 14 14:26:36 1999 John Wehle (john@feith.com)
+
+ * i386.md (truncxfdf): Output the template supplied
+ by output_move_double with the correct operands.
+
+ * i386.md (extendsfdf, extendsfxf, extenddfxf): Use
+ output_float_extend instead specifying '#' as the template.
+ * i386.c (output_float_extend): Define.
+ * i386.h (output_float_extend): Declare.
+
+Wed Apr 14 10:48:03 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/mips/elf.h, config/mips/elf64.h
+ (CTORS_SECTION_ASM_OP): Define.
+ (DTORS_SECTION_ASM_OP): Define.
+ (EXTRA_SECTIONS): Define.
+ (INVOKE__main): Define.
+ (NAME__MAIN): Define.
+ (SYMBOL__MAIN): Define.
+ (EXTRA_SECTIONS_FUNCTIONS): Define.
+ (SECTION_FUNCTION_TEMPLATE): Define.
+ (ASM_OUTPUT_CONSTRUCTOR): Define.
+ (ASM_OUTPUT_DESTRUCTOR): Define.
+ (CTOR_LIST_BEGIN): Define.
+ (CTOR_LIST_END): Define.
+ (DTOR_LIST_BEGIN): Define.
+ (DTOR_LIST_END): Define.
+ (LIB_SPEC): Define.
+ (STARTFILE_SPEC): Define.
+ (ENDFILE_SPEC): Define.
+ * config/mips/linux.h: Undefine all of the above.
+ * config/mips/rtems64.h: Likewise.
+ * config/mips/t-r3900: Likewise.
+ * config/mips/t-elf: New file.
+ * config/mips/vxworks.h: New file.
+ * configure.in (mips-wrs-vxworks): Use mips/vxworks.h.
+ (mips*-*-*elf*): Use t-elf instead of t-ecoff.
+ * configure: Regenerate.
+
+Wed Apr 14 09:59:38 1999 Richard Henderson <rth@cygnus.com>
+
+ * reload1.c (emit_reload_insns): Also find equivalent mems
+ for subregs of pseudos.
+
+ * alpha.c (aligned_memory_operand): Recognize the output of
+ LEGITIMIZE_RELOAD_ADDRESS. Examine reg_equiv_memory_loc in
+ the event of a pseudo.
+ (unaligned_memory_operand): Likewise. Don't otherwise accept
+ completely illegal addresses.
+ (normal_memory_operand): Likewise. Handle subregs of pseudos.
+ (get_aligned_mem): Revert previous change. Abort if we don't have a
+ mem. During reload, call find_replacement on all illegal memories.
+ (get_unaligned_address): Likewise.
+ * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Use !aligned_memory_operand
+ instead of unaligned_memory_operand.
+ * alpha.md: Revert extra argument to get_aligned_mem.
+ (reload_inqi): Use any_memory_operand in constraints. Abort if
+ we're not given some sort of mem.
+ (reload_inhi): Likewise.
+ (reload_outqi, reload_outhi): Likewise.
+
+Wed Apr 14 09:39:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (neghi): Use the whole register when widening the op.
+
+1999-04-14 12:37 -0400 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpperror.c, cppexp.c, cpplib.c: Never call abort.
+ * cpphash.c: Only call abort when we detect corruption of the
+ malloc arena.
+ * cppmain.c: Don't define fatal or fancy_abort.
+
+Wed Apr 14 09:19:39 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (x86_adjust_cost): Agi stall takes 1 cycle on Pentium, fst
+ requires value to be ready one extra cycle.
+
+Wed Apr 14 11:28:34 1999 Dave Brolley <brolley@cygnus.com>
+
+ * config/i386/i386.c (memory_address_length): Add missing parenthesis.
+
+Wed Apr 14 13:59:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * extend.texi (Deprecated Features): New node.
+ * invoke.texi (-Wdeprecated): Document.
+
+Wed Apr 14 00:18:22 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (SImode logical compare): Avoid outputting non-pariable testw
+ and testl on Pentium.
+ (register and memory bit tests): Likewise.
+ (setcc, normal and reversed conditional branches): Use shorter
+ sequence for testing flags stored in EAX.
+
+ * i386.md (xorsi3): Do not output NOT instrctions on Pentium.
+ (xorqi3): Likewise.
+ (xorhi3): Likewise.
+ (notsi2): Likewise.
+ (notqi2): Likewise.
+ (nothi2): Likewise; do not output prefixed opcodes when possible.
+
+ * i386.md (neghi2): Do not output prefixed opcode when possible.
+ (ashlhi3): Likewise.
+
+Wed Apr 14 00:08:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (memory_address_length): New function.
+ * i386.h (memory_address_length): Declare it.
+
+Tue Apr 13 22:52:04 1999 Donn Terry (donn@interix.com)
+ Martin Heller (Ing.-Buero_Heller@t-online.de)
+
+ * configure.in (interix Alpha): Add.
+ (winnt Alpha): Use alpha32.h
+ (interix i386): Parallel Alpha32.
+ * configure: Rebuilt.
+
+ * config/interix.h: Move common elements from i386-interix.h.
+ * config/i386/i386-interix.h: Delete same.
+ * config/alpha/alpha-interix.h: New file.
+
+ * config/alpha/alpha32.h: New file, part fron win-nt.h.
+ * config/alpha/win-nt.h: Deletions (-> alpha32.h).
+ * config/alpha/interix.h: New file
+
+ * config/alpha/alpha.md (interix): Comment.
+
+ * config/alpha/xm-alpha-interix.h: New file.
+
+ * config/alpha/t-interix: New file.
+
+ * fixinc/mkfixinc.sh (interix/Alpha): Add.
+
+1999-04-13 Mike Stump <mrs@wrs.com>
+
+ * i386/vxi386.h (CPP_CPU_SPEC): Define appropriately for vxworks.
+ (CPP_PREDEFINES, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): likewise.
+
+Tue Apr 13 21:01:36 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-common.c (default_valid_lang_attribute): New fn.
+ (valid_lang_attribute): New callback ptr.
+ (decl_attributes): Call it. Move init_priority support into
+ C++ frontend.
+
+Tue Apr 13 17:47:14 1999 John Wehle (john@feith.com)
+
+ * i386.md (movdi): Add splitter.
+
+Wed Apr 14 10:04:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (storeqf_int, storeqf_int_clobber, loadqf_int,
+ loadqf_int_clobber): Add new patterns with corresponding splitters
+ to handle moves of floating point values into and out of intager
+ registers by using memory.
+
+ * config/c4x/c4x.c (c4x_check_legit_addr): Disallow PRE_INC for modes
+ other than QFmode and QImode.
+ (mixed_subreg_operand): New function.
+ (c4x_emit_move_sequence): If moving a floating point value into or
+ out of an integer register, use the new patterns storeqf_int_clobber
+ or loadqf_int_clobber.
+ (reg_imm_operand, *_reg_operand): Call reg_operand instead of
+ register_operand.
+ (reg_operand, src_operand): Disallow operand if it satisifes
+ mixed_subreg_operand.
+
+ * config/c4x/c4x.h (mixed_subreg_operand): Add prototype.
+
+Tue Apr 13 14:49:13 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (agi_dependent): Handle push operation more correctly.
+
+Tue Apr 13 14:45:17 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (anddi3): Add % constraint.
+ (iordi3, xordi3): Likewise.
+
+Tue Apr 13 14:29:58 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (extendhisi2): Output mov instead of cw instruction for K6
+ to improve decoding bandwidth.
+ * i386.md (extendhiqi2): Likewise.
+
+Tue Apr 13 14:26:31 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (movsf_push): Handle memory to memory case too, new splitter.
+ (movdf_push, movxf_push): Likewise.
+ (movsf_push_memory, movdf_push_memory, movxf_push_memory): Remove.
+
+Tue Apr 13 14:14:06 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md: Do not output mov %0,reg on AMD K6.
+
+Tue Apr 13 12:14:07 1999 Dave Brolley <brolley@cygnus.com>
+
+ * cppinit.c (cpp_start_read): Fix buffer overwrite.
+ * Makefile.in (cppinit.o): Typo in dependencies.
+
+Tue Apr 13 05:04:59 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.h (function prototypes for arm.c): Ifdef these out if
+ HAVE_CONFIG_H is not defined.
+
+Tue Apr 13 02:11:11 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c: Avoid Using immediate zero for register zero.
+ * pa.md: Likewise.
+
+ * pa.c (print_operand, case 'f'): New case for FP register or 0.0.
+ (print_operand, case 'r'): Use %r0 for zero value.
+ * pa.md (move patterns, fcmp patterns): Use new %f output arg.
+
+ * pa.c: Use a register name, not a raw immediate in branch,
+ compare/clear, sub, subb, uaddcm and vshd instructions.
+ * pa.md: Likewise.
+
+ * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
+
+ * pa.c: Use a register name, not a raw immediate in "bv" instructions.
+ * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
+
+ * pa.c: Remove space register specification in memory addresses,
+ except where it is actually needed.
+ * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
+
+Mon Apr 12 23:34:35 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Mon Apr 12 14:58:30 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * reg-stack.c (check_stack_regs_mentioned): Remove variable SIZE.
+
+Mon Apr 12 19:15:17 1999 Daniel Jacobowitz <dan@debian.org>
+
+ * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Add missing backslash.
+
+Mon Apr 12 19:11:38 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mconsole; fix
+ -mno-nop-fun-dllimport and minor doc fixes.
+ (STARTFILE_SPEC): Cygwin DLLs don't have dllcrt0.
+ (LINK_SPEC): Add -mconsole support.
+ * i386/mingw32.h (LIB_SPEC): Make libraries consistent with
+ Cygwin.
+ (LINK_SPEC): Remove. Use Cygwin's version.
+ (MATH_LIBRARY): Make it null.
+ * i386/crtdll.h (MATH_LIBRARY): Likewise.
+
+Fri Apr 12 15:00:52 1999 Stan Cox <scox@cygnus.com>
+
+ * c-decl.c (c_decode_option, start_decl, start_function,
+ finish_function) : Recognize -Wno-main so we can avoid warnings.
+
+1999-04-12 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpphash.c (collect_expansion, macroexpand,
+ push_macro_expansion): Make the escape character in macro
+ buffers '\r', not '@'. Remove code to protect literal
+ occurrences of the escape character; '\r' cannot appear
+ in a macro buffer unless we put it there.
+ * cpplib.c (skip_comment, copy_comment, cpp_skip_hspace,
+ copy_rest_of_line, cpp_get_token, parse_string,
+ parse_assertion): '\r' might be a backslash-newline marker, or
+ it might be a macro escape marker, depending on
+ CPP_BUFFER (pfile)->has_escapes. '@' is not a special
+ character.
+ * cpplib.h: Update commentary.
+
+Mon Apr 12 09:30:03 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.h (target_fp_name, structure_size_string, arm_cpu_select):
+ Const-ify.
+ * arm.c (target_fp_name, structure_size_string): Const-ify.
+
+ * arm.md (reload_inhi, reload_outhi): Make the scratch DImode.
+ * arm.c (arm_reload_in_hi): Handle cases when the input is still
+ a pseudo, make use of scratch registers for reloading the address
+ as appropriate.
+ (arm_reload_outhi): Similarly for when the output is still a pseudo.
+
+ * riscix.h (SUBTARGET_SWITCHES): Document.
+
+1999-04-12 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixincludes:
+ make fixincludes behave like the scripts in fixinc/
+
+ * Makefile.in( stmp-fixinc ):
+ ensure the SHELL value is that of the make
+
+ * fixincl/inclhack.tpl:
+ the file name lists ought to be restricted to "*.h" anyway
+ C++ files may be named .../[a-z]++/... also
+ Adding copyright year and attribution to output
+
+ * fixincl/inclhack.def:
+ fixed broken expression
+ Clarify a some comments
+
+ * fixincl/fixincl.tpl:
+ Clarify a some comments
+ Remove dead template text
+ Correct the counting of regular expressions
+
+Mon Apr 12 03:07:44 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (aligned_memory_operand): Handle out of range stack slots.
+ Take a new SCRATCH argument for the occasion. Update all callers.
+ (get_unaligned_address): Abort on out of range stack slots.
+ * alpha.md (adddi3 splitter): Check s_p_rtx not REGNO.
+ (reload_inqi): Check for aligned mems before unaligned.
+ (reload_inhi): Likewise.
+
+Mon Apr 12 03:11:30 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove
+ it from the nonlocal_goto_handler_labels list.
+ * jump.c (delete_insn): Likewise.
+ (jump_optimize_1): Also recompute LABEL_NUSES when we are just
+ marking labels.
+ * rtl.h (remove_node_from_expr_list): Declare.
+ * rtlanal.c (remove_node_from_expr_list): New function.
+
+Mon Apr 12 02:37:02 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * reg-stack.c: Update comment, include varray.h.
+ (stack_regs_mentioned_data): New global variable.
+ (check_stack_regs_mentioned): New function.
+ (stack_regs_mentioned): New function.
+ (reg_to_stack): Initialize and free stack_regs_mentioned_data,
+ use stack_regs_mentioned.
+ (record_asm_reg_life): Change insn type cache for changed insn.
+ (record_reg_life): Do not change the insn mode.
+ (emit_pop_insn): Likewise.
+ (emit_swap_insn): Likewise.
+ (move_for_stack_reg): Likewise.
+ (stack_reg_life_analysis): Use stack_regs_mentioned.
+ (emit_swap_insn): Likewise.
+ (subst_stack_regs): Likewise.
+ (convert_regs): Likewise.
+ * jump.c (find_cross_jump): Use stack_regs_mentioned.
+ * rtl.h (stack_regs_mentioned): Declare.
+
+Mon Apr 12 00:57:10 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * integrate.c (INTEGRATE_THRESHOLD): Sync it with the comment.
+
+Sun Apr 11 10:24:18 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * rtl.h (rtx_def): Update documentation for jump and call.
+
+Sun Apr 11 07:43:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * jump.c (jump_optimize_1): Make the definition static to match
+ the prototype.
+
+Sat Apr 10 22:51:53 1999 Jan Hubicka <hubicka@limax.paru.cas.cz>
+
+ * flow.c (life_analysis): New parameter remove_dead_code.
+ (life_analysis_1): Likewise.
+ (propagate_block): Likewise; use it.
+ * output.h: Update prototype.
+ * toplev.c: Update calls to life_analysis.
+
+Sat Apr 10 22:12:12 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * recog.c (constrain_operands): Ignore unary operators when
+ matching operands. Recognize '5'..'9' as well.
+
+Sat Apr 10 21:53:02 1999 Philipp Thomas (kthomas@gwdg.de)
+ Richard Henderson <rth@cygnus.com>
+
+ * configure.in: Set target_cpu_default2 for target_alias k6.
+ * i386.h (TARGET_SWITCHES): Remove no-<cpu> entries.
+ (CC1_CPU_SPEC): Likewise.
+ (CPP_CPU_DEFAULT_SPEC): Streamline definition. Add K6 version.
+ (CPP_K6_SPEC): New.
+ (CPP_CPU_SPEC): Add K6 variant.
+ (EXTRA_SPECS): Likewise.
+
+Fri Apr 9 11:29:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (merge_blocks_nomove): Rewrite to properly handle two
+ blocks that vanish entirely during merging.
+
+Sat Apr 10 20:09:55 1999 John Wehle (john@feith.com)
+
+ * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
+ floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
+ movxfcc, movdicc): Remove unused register constraints from
+ the splitters.
+
+ * i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
+ fixuns_truncxfsi2): Delete.
+
+ * reg-stack.c (delete_insn_for_stacker): Ensure that
+ the only side effects of a PARALLEL are clobbers.
+ (subst_stack_regs): Handle subst_stack_regs_pat deleting
+ a PARALLEL.
+ * i386.md (extendsfdf2, extenddfxf2,
+ extendsfxf2): Rewrite using a splitter.
+ * i386.c (output_op_from_reg): Remove.
+ * i386.h: Likewise.
+
+Sat Apr 10 13:09:18 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (di_operand): Allow SUBREGs as well.
+ (soft_df_operand): Allow SUBREGs as well.
+
+Sat Apr 10 06:14:31 1999 Jan Hubicka <hubicka@paru.cas.cz>
+
+ * extend.texi (Assembler Instructions with C Expression Operands):
+ Document the i386 floating point operands.
+
+1999-04-10 Mike Stump <mrs@wrs.com>
+
+ * configure.in (*-*-vxworks): Add vxWorks thread support for all
+ vxWorks targets.
+ * configure.in (thumb-wrs-xvworks): Add vxWorks support for thumb.
+ * configure: Rebuilt.
+
+Sat Apr 10 06:04:50 1999 Donn Terry (donn@interix.com)
+
+ * i386/t-interix: Use mostly system headers unchanged.
+ Use system assert.h
+ * fixinc/fixinc.interix: Ditto (make almost no-op).
+ * config/x-interix.h (_ALL_SOURCE): add -D
+ * config/x-interix.h (crti.o): Delete dependency.
+ * config/xm-interix.h (ONLY_INT_FIELDS): Define only when bootstrapping.
+ * i386/xm-i386-interix.h: New file.
+ * i386/interix.h (ASM_OUTPUT_LIMITED_STRING): Fix warnings.
+ * i386/i386-interix.h: Renamed from interix.h.
+ * configure.in (interix): Use new files.
+ * configure: Rebuilt.
+
+Sat Apr 10 05:25:28 1999 Daniel Jacobowitz <dan@debian.org>
+
+ * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Fix conditions
+ for -Dunix and -Dlinux, and remove duplicate definition.
+ Change -Asystem(linux) to -Asystem(posix).
+ (CPP_OS_SOLARIS_SPEC): Fix conditions for -Dunix, -Dsun,
+ -DSVR4, -D__EXTENSIONS__.
+
+ * rs6000/linux.h (CPP_PREDEFINES): Remove -Dunix,
+ -Dlinux, -Asystem(linux), and -Asystem(unix).
+
+Sat Apr 10 05:14:50 1999 Mark Elbrecht <snowball3@usa.net>
+
+ * i386/djgpp.h (SET_ASM_OP): Define.
+
+ * cccp.c (DIR_SEPARATOR): Move to the top of the file.
+ (is_dir_separator): New function.
+ (simplify_filename): Use it.
+ * collect2.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM in place
+ of the DIR_SEPARATOR test.
+ Consider any file starting with a drivename to be absolute.
+ If the absolute filename test fails and EXECUTABLE_SUFFIX is
+ defined, append EXECUTABLE_SUFFIX to the file and try again.
+ * cppinit.c (base_name): Use HAVE_DOS_BASED_FILE_SYSTEM
+ in place of __MSDOS__ and _WIN32.
+ * cppfiles.c (simplify_pathname): Likewise.
+ * gcc.c (IS_DIR_SEPARATOR): Define new macro. Returns true if a
+ character is a directory separator.
+ (find_a_file): Use it.
+ (convert_filename): Likewise.
+ (process_command): Likewise.
+ (do_spec_1): Likewise.
+ (is_directory): Likewise.
+ (main): Likewise.
+ * prefix.c (IS_DIR_SEPARATOR): Define. Tests whether a character is
+ a directory separator.
+ (translate_name): Use it.
+ (update_path): Change DIR_SEPARATOR_2 to DIR_SEPARATOR. Fix
+ warning in block where '/' is changed to DIR_SEPARATOR.
+ * i386/xm-djgpp.h (DIR_SEPARATOR): Set to '/'.
+ (DIR_SEPARATOR_2): New macro. Set to '\'.
+ (HAVE_DOS_BASED_FILESYS): Define.
+ * i386/xm-mingw32.h: Updated copyright. Set
+ DIR_SEPARATOR_2 to '/'. Define HAVE_DOS_BASED_FILE_SYSTEM.
+ * i386/xm-os2.h: Likewise.
+ * winnt/xm-winnt.h: Likewise.
+ * i386/xm-dos.h: Likewise. Add copyright.
+
+1999-04-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * pdp11.h (TARGET_SWITCHES): Add option to vary assembler syntax.
+ (TARGET_DEFAULT): Possibly use UNIX syntax.
+ (TARGET_UNIX_ASM, TARGET_UNIX_ASM_DEFAULT): New macros.
+ (REGISTER_NAMES): Use "r5" instead of "fp".
+ (ASM_OUTPUT_ALIGN): Use ".even" directive, and abort for any
+ greater alignment.
+ * 2bsd.h (TARGET_UNIX_ASM_DEFAULT): Default to UNIX assembler
+ syntax for 2BSD.
+ * pdp11.c (output_ascii): Use working syntax for ".byte".
+ (print_operand_address): Use "*" instead of "@" when using UNIX
+ assembler syntax.
+
+Sat Apr 10 03:50:12 1999 Jeffrey A Law (law@cygnus.com)
+
+ * rtl.h (rebuild_jump_labels): Declare.
+ * jump.c (jump_optimize_1): Renamed from jump_optimize. Make static.
+ Add new argument MARK_LABELS_ONLY. Quit after mark_all_labels if
+ requested.
+ (jump_optimize, rebuild_jump_labels): New wrapper functions for
+ jump_optimize_1.
+ * toplev.c (rest_of_compilation): Use rebuild_jump_labels instead of
+ running the entire jump optimizer.
+
+ * rtl.h (local_alloc): Returns an integer now.
+ * local-alloc.c (recorded_label_ref): New file scoped variable.
+ (local_alloc): Initialize recorded_label_ref to zero. Return its
+ value when local allocation has completed.
+ (update_equiv_regs); If we create an equivalence for a LABEL_REF,
+ set recorded_label_ref.
+ * toplev.c (rest_of_compilation): Run the jump optimizer after
+ register allocation and reloading if needed.
+
+Fri Apr 9 21:02:57 1999 Krister Walfridsson (cato@df.lth.se)
+
+ * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Fix typo.
+ * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+
+1999-04-09 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpphash.c (special_symbol): When expanding __LINE__, use the
+ top file buffer, not the top buffer.
+
+Fri Apr 9 13:41:04 1999 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
+ cd .. to TCL_LIBRARY command.
+
+Fri Apr 9 13:04:52 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Only define if
+ not already specified.
+
+Fri Apr 9 11:18:55 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
+ of classes, too.
+
+Fri Apr 9 10:40:10 1999 Kaveh R. Ghazi <ghazi@snafu.rutgers.edu>
+
+ * rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
+ rs6000_float_const, rs6000_replace_regno, debug_stack_info,
+ rs6000_output_load_toc_table, output_prolog, output_epilog):
+ Const-ify a char*.
+ (output_mi_thunk): Likewise. Mark parameter `thunk_fndecl' with
+ ATTRIBUTE_UNUSED. Hide unused variables `r0', `sp', `toc',
+ `schain', `r12', `buf' and `labelno'.
+ (output_ascii): Const-ify a char*.
+ (rs6000_gen_section_name): Initialize variable `last_period'.
+ (rs6000_adjust_priority): Mark parameter `insn' with
+ ATTRIBUTE_UNUSED.
+ (rs6000_trampoline_template, rs6000_dll_import_ref,
+ rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.
+
+ * rs6000.h (offsettable_mem_operand, optimization_options): Add
+ prototypes.
+
+ * rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
+ when comparing against one.
+
+Thu Apr 8 19:20:18 1999 Jeffrey A Law (law@cygnus.com)
+
+ * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
+ Do not try to optimize an aggregate address which has VOIDmode.
+ Mirrors March 23 change to expand_assignment.
+
+ * flow.c (delete_unreachable_blocks): Do not require EDGE_FALLTHRU
+ for an edge when tidying an edge which connects consecutive basic
+ blocks.
+
+ * flow.c (can_delete_label_p): Do not convert a label into a
+ deleted label here.
+
+ * cse.c (flush_hash_table): New function.
+ (cse_insn): Flush the hash table when we encounter a volatile asm.
+ (cse_basic_block): Use flush_hash_table instead of doing it
+ inline.
+
+ * reload1.c (reload_cse_regs_1): Flush known register values if
+ we encounter a volatile asm.
+
+ * loop.c (strength_reduce): Re-enable Joern's loop improvements.
+
+Thu Apr 8 09:37:40 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_print_operand): Undo previous change -
+ always print large constants in decimal.
+
+Thu Apr 8 10:22:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (host_xm_file, build_xm_file): Include hwint.h.
+ Use case statements instead of "if test -a ... -a ... -a ..."
+
+ * machmode.h: Don't define HOST_WIDE_INT, etc. Wrap use of
+ HOST_WIDE_INT in #ifdef.
+
+ * mips.h: Include hwint.h instead of providing definitions for
+ HOST_WIDE_INT, etc. Wrap uses of HOST_WIDE_INT in #ifdef.
+
+Thu Apr 8 06:16:14 1999 John Wehle (john@feith.com)
+
+ * i386.md (truncdfsf2, truncxfsf2,
+ truncxfdf2): Rewrite using a splitter.
+
+Thu Apr 8 01:26:05 1999 Arg Haas (ahaas@neosoft.com)
+ Jeffrey A Law (law@cygnus.com)
+
+ * freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Avoid ambiguous
+ else statement.
+ * gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+ * linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+ * openbsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
+
+Wed Apr 7 22:40:19 1999 Jim Wilson <wilson@cygnus.com>
+
+ * i960/i960.c (i960_function_prologue): Don't save static chain
+ pointer.
+ * i960/i960.h (STACK_CHAIN_REGNUM): Change from r3 to g12.
+ (TRAMPOLINE_TEMPLATE): Likewise.
+ (FRAME_POINTER_REQUIRED): Check current_function_has_nonlocal_goto.
+ * i960/i960.md (nonlocal_goto): Rewrite.
+
+Tue Apr 6 17:49:49 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/lib1funcs.asm: Test for __ELF__ not __elf__.
+
+Wed Apr 7 14:07:34 1999 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.c (h8300_adjust_insn_length): Also avoid recognizing
+ ADDR_VEC and ADDR_DIFF_VEC insns.
+
+ * h8300.c (h8300_adjust_insn_length): Avoid trying to recognize
+ USE, CLOBBER or SEQUENCE insns.
+
+ * unroll.c (unroll_loop): For HAVE_cc0 machines, adjust copy_end_luid
+ to account for the uncopied insn that sets cc0 at the end of the loop.
+
+ * unroll.c (copy_loop_body): Always ensure at least two insns
+ are in the copied loop.
+
+Wed Apr 7 14:52:18 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define.
+ (UNIQUE_SECTION_P): Define.
+
+1999-04-07 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/inclhack.tpl & fixincl.tpl:
+ Remove dynamic content from generated files
+
+Wed Apr 7 13:16:22 1999 John Wehle (john@feith.com)
+
+ * i386.c (output_move_memory): Remove.
+ * i386.h: Likewise.
+
+ * i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
+ movsf, movdf, movxf, movdi): Check no_new_pseudos instead
+ of (reload_in_progress | reload_completed).
+
+Wed Apr 7 03:16:45 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (reg_no_subreg_operand): New function.
+ * alpha.h (PREDICATE_CODES): Add it.
+ * alpha.md (floatdi?f patterns): Use it for op1.
+
+ * alpha.c (alpha_end_function): Don't flag weak functions.
+
+Wed Apr 7 02:11:55 1999 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
+ copy_to_mode_reg; don't force constants into a register.
+
+Tue Apr 6 22:55:25 1999 Richard Henderson <rth@cygnus.com>
+
+ * toplev.c (compile_file): Typo flow_dump -> flow2_dump.
+
+1999-04-06 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * pdp11.c (simple_memory_operand): Add default case in switch.
+ * pdp11.h (TARGET_SWITCHES): Add help strings.
+ (NOTICE_UPDATE_CC): Don't include excess argument to format.
+ (ASM_OUTPUT_DOUBLE_INT): Remove.
+
+Tue Apr 6 22:09:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (expand_builtin_setjmp): Put setjmp return label on
+ nonlocal_goto_handler_labels for flow.
+
+Tue Apr 6 22:05:21 1999 Jan Hubicka <hubicka@paru.cas.cz>
+ Richard Henderson <rth@cygnus.com>
+
+ * flow.c (verify_flow_info): New function.
+ (find_basic_blocks): Call it if ENABLE_CHECKING.
+ (merge_blocks): Don't merge if there are non-deletable labels.
+ * toplev.c (fatal_insn): Allow a printf-style arg list.
+ * toplev.h (fatal_insn): Update prototype.
+
+Tue Apr 6 16:18:58 1999 Jan Hubicka <hubicka@paru.cas.cz>
+
+ * flow.c (split_edge) update correctly flow graph, disable
+ EDGE_CRITICAL flag on the split edge, update NUSES for new label.
+
+Tue Apr 6 15:47:51 1999 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use XWINT not XINT.
+ Clear third and following slots, if they exist.
+
+Tue Apr 6 15:45:28 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (create_basic_block): Make sure the bb note is in the block.
+ (can_delete_note_p): Rename from delete_note_p.
+ (delete_insn_chain): Preserve undeleteable labels too.
+ (tidy_fallthru_edge): Use next_real_insn instead of confusing
+ inline code.
+
+1999-04-06 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppexp.c (parse_charconst): Initialize c.
+ (cpp_parse_expr): Initialize rprio.
+ * cppfiles.c (merge_include_chains): Initialize prev.
+ (finclude): Set fp->line_base to fp->buf before returning.
+ * cpphash.c (macroexpand): Initialize token.
+ * cppspec.c (lang_specific_driver): Change suff to
+ const char *const *.
+
+1999-04-06 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppinit.c (install_predefs): Delete function.
+ (cpp_start_read): Don't call install_predefs.
+ (cpp_handle_option): Remove case 'u' and all refs to
+ opts->inhibit_predefs.
+ (print_help): Don't mention -undef.
+ (initialize_builtins): Define __HAVE_BUILTIN_SETJMP__, to
+ match cccp.
+ * cpplib.h (struct cpp_options): Remove inhibit_predefs
+ member.
+
+ * cccp.c (predefs): Delete variable.
+ (main): Remove case 'u' in argument parse loop,
+ 'inhibit_predefs' variable, and the code block that would
+ process CPP_PREDEFINES.
+ (initialize_builtins): Don't define __OBJC__, the driver will
+ do that.
+
+ * gcc.c (default_compilers): Remove -undef from all specs that
+ invoke a C preprocessor.
+ * ch/lang-specs.h: Likewise.
+ * cp/lang-specs.h: Likewise.
+ * f/lang-specs.h: Likewise.
+ * objc/lang-specs.h: Likewise.
+
+Mon Apr 5 11:55:31 1999 Donn Terry (donn@interix.com)
+
+ * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix misapplied patch.
+
+Mon Apr 5 11:51:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * m68k.md (movdf): Hide GPR sources & destinations from regclass.
+
+Mon Apr 5 09:54:42 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Mon Apr 5 05:55:15 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixincl.tpl: Separate "-e" from its argument, a la
+ the Sat Apr 3 17:05:13 1999 fix.
+ * genfixes: Ensure that the server shell is _NOT_ csh.
+
+Mon Apr 5 03:52:30 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Mon Apr 5 04:47:14 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.c (x86_double_with_add): Turn off for Pentium and PPro.
+ (small_shift_operand, output_ashlsi3): New functions.
+ * i386.h (small_shift_operand, output_ashlsi3): Declare.
+ * i386.md (ashlsi3): Simplify ahlsi3 patterns. Remove splitters
+ that are no longer needed.
+
+Sun Apr 4 04:05:04 1999 Jeffrey A Law (law@cygnus.com)
+
+ * stmt.c (expand_loop_end): When copying the loop exit test,
+ do not walk into a nested loop.
+
+Sun Apr 4 00:14:54 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/hackshell.tpl: Skip links to directories, to avoid
+ removing them.
+ * fixinc/inclhack.tpl: Likewise.
+ * fixinc/fixinc.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
+
+Sat Apr 3 23:46:13 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (addsi3, iorsi3, xorsi3, adddi3, iordi3, xordi3,
+ movsi_got, movsi, movsf): Use no_new_pseudos.
+ * rs6000.c (rs6000_got_register): Likewise.
+ (offsettable_mem_opereand): Use || not |.
+
+Sat Apr 3 22:02:56 1999 Jeffrey A Law (law@cygnus.com)
+
+ * acconfig.h (ENABLE_CHECKING): Remove redundant #undef.
+ * config.in: Rebuilt.
+
+Sat Apr 3 16:22:59 1999 Toshiyasu Morita (tm@netcom.com)
+
+ * gcc.texi: Add info on regmove pass.
+
+ * regmove.c (fixup_match_1): Consistently evaluate
+ HAVE_POST_INCREMENT and HAVE_POST_DECREMENT.
+
+Sat Apr 3 19:21:05 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER): Use grep
+ instead of test and sed to check whether they're GNU programs.
+ * configure: Rebuilt.
+
+Sat Apr 3 17:57:35 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * Makefile.in (install-headers-tar, install-headers-cpio): Avoid
+ problems with CDPATH.
+ Reported by Ralf Canis <canis@bigfoot.com>
+
+Sat Apr 3 13:50:16 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc.x86-linux-gnu: Deleted.
+
+Sat Apr 3 17:05:13 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * inclhack.tpl: Insert spaces between `sed -e' and '...'.
+ Reported by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+ * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Regen.
+
+Sat Apr 3 14:54:46 1999 Craig Burley <craig@jcb-sc.com>
+
+ * tree.def (BLOCK): Fix typo in comment.
+
+Sat Apr 3 00:53:29 1999 John Wehle (john@feith.com)
+
+ * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
+ floatsixf2, floatdixf2): Rewrite using a splitter.
+
+Fri Apr 2 17:36:10 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_print_operand): Print large constants in
+ hex rather than decimal.
+
+Fri Apr 2 17:23:58 1999 Nick Clifton <nickc@cygnus.com>
+
+ * print-rtl.c (print_rtx): Use both HOST_WIDE_INT_PRINT_DEC
+ and HOST_WIDE_INT_PRINT_HEX to display constants.
+
+1999-04-02 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * config/i386/i386.h: Document all TARGET_SWITCHES or add
+ explicit null initializer.
+
+ * config/i386/cygwin.h: Document all SUBTARGET_SWITCHES.
+ * config/i386/dgux.h: Likewise.
+ * config/i386/osf1elf.h: Likewise.
+ * config/i386/win32.h: Likewise.
+ * config/i386/osfrose.h: Likewise. Drop obsolete -mno-ident option.
+
+Fri Apr 2 17:49:44 1999 Toshiyasu Morita <tm@netcom.com>
+
+ * regmove.c (fixup_match_1): Remove now useless if (0).
+
+Sat Apr 3 11:37:20 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
+ USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
+ (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
+ USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
+
+ * rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
+ USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
+ USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
+ USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
+ definition.
+
+ * expr.c (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
+ USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
+ definition.
+
+Fri Apr 2 16:03:05 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
+ * fixinc.sco, fixinc.svr4, fixinc.winnt, fixinc.wrap: Likewise.
+
+Fri Apr 2 15:46:25 1999 Donn Terry (donn@interix.com)
+
+ * configure.in: Set and substitute quoted_cc_set_by_configure.
+ * configure: Rebuilt.
+ * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix quoting problem with ``.
+
+Fri Apr 2 14:35:45 1999 Stan Cox <scox@cygnus.com>
+
+ * config/i386/cygwin.h (CPP_SPEC): Use mingw_include_path instead
+ of a hardcoded path for -mno-cygwin.
+ (mingw_include_path): New.
+
+1999-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * pdp11.c: Include "recog.h".
+ (output_function_prologue): Remove unused variables `nregs', `i',
+ `offset'.
+ (output_function_epilogue): Remove unused variables
+ `may_call_alloca', `nregs', `regno', `adjust_fp'.
+ (output_ascii): Mark as returning void.
+ (print_operand_address: Likewise.
+ (simple_memory_operand): Remove unused variables `plus0', `plus1',
+ `offset'.
+ * pdp11.h: Declare functions `arith_operand',
+ `const_immediate_operand', `expand_shift_operand',
+ `legitimate_address_p', `notice_update_cc_on_set', `output_ascii',
+ `output_function_epilogue', `output_function_prologue',
+ `print_operand_address', `register_move_cost',
+ `simple_memory_operand'.
+ (HARD_REGNO_MODE_OK): Parenthesize `REGNO' arg.
+ (REGNO_REG_CLASS): Likewise.
+ * pdp11.md: Add explicit `int' to `static count' (in two places).
+ (addhi3): Add explicit braces to avoid ambiguous else.
+ (addqi3): Likewise.
+ (ashlhi3): Likewise.
+
+Fri Apr 2 14:17:10 1999 Jerry James <jerry@cs.ucsb.edu>
+
+ * gcc/invoke.texi: Add documentation for additional supported
+ MIPS CPU types, options -mips16 and -mentry, and ABI and ISA
+ defaults.
+
+Fri Apr 2 14:12:06 1999 John Wehle (john@feith.com)
+
+ * i386.md: Delete floating point compare, add, subtract,
+ multiply, and divide patterns which allowed integer
+ operands.
+ * i386.c (output_387_binary_op): Delete unused code.
+ (output_float_compare): Likewise.
+
+Fri Apr 2 11:53:37 1999 John Wehle (john@feith.com)
+
+ * i386.md (movsf+1, movdf+1, movxf+1): Update constraints
+ so that SECONDARY_MEMORY_RELOAD is used. Remove dead code.
+
+1999-04-02 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/mkfixinc.sh: Added support for x86-interix.
+ * fixinc/fixinc.interix: Fixincludes script, slight changes
+ from ./fixinc.interix. Untested (needs interix box).
+ * fixinc/inclhack.def:
+ Complete the change to the 'fixinc.tmp' file.
+ Fixed regex for finding C++ headers.
+ * fixincl.x, fixincl.sh, inclhack.sh: Regenerate.
+
+Fri Apr 2 11:36:12 1999 Jan Hubicka (hubicka@paru.cas.cz)
+
+ * i386.c (print_operand_address, case REG): Do not use ESI addressing
+ mode for the K6.
+
+ * i386.c (print_operand_address, case MULT): Use more efficient
+ encoding (mult (reg) (const_int 2)).
+
+Thu Apr 1 17:01:50 1999 Richard Henderson <rth@cygnus.com>
+
+ Move over patch from Bernd Schmidt from GC branch:
+ * emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
+ (gen_rtx): Call it. Tidy cases.
+ * rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
+ * gengenrtl.c: Add commentary.
+ (special_rtx): Also match CONST_DOUBLE.
+ (gencode): Emit call to memset instead of bzero.
+
+Fri Apr 2 12:58:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (ashlhi3, lshrhi3, ashrhi3): Force operand 1
+ into a register if shift count not constant.
+ (ashlhi3_reg, lshrhi3_reg, ashrhi3_reg): Ensure that operand 1
+ is a register.
+
+Fri Apr 2 12:19:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*db): Enable pattern if TARGET_LOOP_UNSIGNED
+ is nonzero.
+ (movstrqi_small, movstrqi_large, *cmpstrqi): Add + modifier to address
+ register constraints.
+ (*movhi_clobber+1): Modify splitter pattern to handle destination
+ register that is used in the source address.
+ (*xorhi3_clobber): Replace AND with XOR in call to legitimize_operands.
+
+Fri Apr 2 12:16:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h: Added more comments.
+
+Fri Apr 2 11:58:22 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_emit_move_sequence): Force invalid QImode
+ constants into memory if we get called directly from gen_move_insn
+ rather than emit_move_insn.
+ (c4x_legitimize_address): Fix up LABEL_REF addresses.
+
+Thu Apr 1 12:04:05 1999 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (store_field): When check direct_store, assume all complex
+ modes can be directly stored.
+
+1999-04-01 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * fixinc/genfixes: New shell script that runs autogen
+ to create the generated files.
+
+1999-04-01 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * Makefile.in (cppmain$(exeext)): Depend on intl.o. Link in intl.o.
+
+Thu Apr 1 03:48:34 1999 H.J. Lu (hjl@gnu.org)
+
+ * i386.c (output_fp_conditional_move): Abort for LT, LE, GE, and GT
+ signed integer comparisons.
+
+ * i386.c (output_int_conditional_move): Use "enum rtx_code" for code
+ type.
+
+ * i386.c (notice_update_cc): No need to check the INT mode for
+ conditional moves since FLOAT conditional moves don't affect cc0.
+
+Thu Apr 1 02:17:18 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/inclhack.def (zzz_ki_syscalls, zzz_time): Fix trigger
+ string to only match on hpux11.
+ * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
+
+Thu Apr 1 01:09:27 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * fixinc/hackshell.tpl: Complete transition to fixinc.tmp.
+ * fixinc/inclhack.sh: Rebuilt.
+
+ * fixinc/inclhack.def: Fix typos in c_asm.h fix.
+ * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
+
+Wed Mar 31 17:20:11 1999 Jeffrey A Law (law@cygnus.com)
+
+ * toplev.c (rest_of_compilation): Allow dbr_schedule to write to
+ the dump file too.
+
+Wed Mar 31 12:32:43 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (find_basic_blocks): New argument `do_cleanup'.
+ Conditionally call delete_unreachable_blocks.
+ (free_basic_block_vars): Zero ENTRY/EXIT data.
+ (allocate_for_life_analysis): Kill. Split into...
+ (allocate_bb_life_data, allocate_reg_life_data): ... new functions.
+ (life_analysis_1): Update.
+ * gcse.c (gcse_main): Update find_basic_blocks call.
+ * toplev.c (rest_of_compilation): Likewise.
+ * stupid.c (stupid_life_analysis): Update life data calls.
+ * rtl.h, output.h: Update prototypes.
+
+Wed Mar 31 12:10:00 1999 Bruce Korb <ddsinc09@ix.netcom.com>
+
+ * inclhack.def (several): Added spaces in tests to ensure
+ correct shell syntax. Added c_asm.h fix from fixincludes.
+ Also corrected the corrected fix to C++ comments :-}
+
+ * inclhack.tpl: Changed method of traversing symlink trees
+ so that file name matching will work correctly.
+
+ * fixincl.c, hackshell.tpl: Fallout from above.
+ * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
+
+Tue Mar 30 10:43:49 1999 Philip Blundell <pb@nexus.co.uk>
+
+ * config/arm/aout.h (DBX_DEBUGGING_INFO): Avoid redefinition if
+ dbxelf.h was previously included.
+ (CPP_APCS_PC_DEFAULT_SPEC): No need to undefine.
+
+ * config/arm/linux-elf.h (FP_DEFAULT): Correctly override the
+ definition from arm.h.
+
+Wed Mar 31 10:33:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (c-gperf.h): Generate using gperf language 'C', not
+ 'KR-C', so gperf uses the `const' keyword on strings.
+
+ * c-parse.gperf (resword): Const-ify a char*.
+
+Wed Mar 31 01:49:31 1999 Ian Lance Taylor <ian@zembu.com>
+
+ * t-rtems (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
+
+Wed Mar 31 00:50:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * system.h (STDERR_FILENO): Fix typo.
+
+ * inclhack.def (bool): Also fix bogus bool in curses_colr/curses.h.
+ * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
+
+Tue Mar 30 20:51:40 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * alias.c (alias_set_compare): Remove.
+ (record_alias_subset): Use splay_tree_compare_ints instead of
+ alias_set_compare.
+ (init_alias_once): Likewise.
+ * cse.c: Include splay-tree.h.
+ (reg_qty): Remove.
+ (reg_tick): Likewise.
+ (reg_table): Likewise.
+ (cse_reg_info): New structure.
+ (cse_reg_info_free_list): New variable.
+ (cse_reg_info_tree): Likewise.
+ (cached_regno): Likewise.
+ (cached_cse_reg_info): Likewise.
+ (all_minus_one): Remove.
+ (consec_ints): Likewise.
+ (GET_CSE_REG_INFO): New macro.
+ (REG_TICK): Likewise. Use throughout instead of reg_tick.
+ (REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table.
+ (REG_QTY): Likewise. Use throughout instead of reg_qty.
+ (get_cse_reg_info): New function.
+ (free_cse_reg_info): Likewise.
+ (new_basic_block): Reinitialize cse_reg_info_tree instead of
+ reg_tick, all_minus_one, and consec_ints.
+ * Makefile.in (cse.o): Depend on splay-tree.h
+
+Tue Mar 30 13:19:36 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * libgcc2.c (throw_helper): Just return the SP offset, rather than
+ a whole udata. Include args_size in the offset.
+ (__throw, __rethrow): Adjust.
+
+Tue Mar 30 11:39:27 1999 Craig Burley <craig@jcb-sc.com>
+
+ * extend.texi (Extended Asm): Delete spurious `b' before
+ `@end example', which was confusing texi2html.
+
+Tue Mar 30 00:26:34 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (output_line_info): Don't emit redundant info.
+ Do start a new row if the file changes and the line # doesn't.
+
+Mon Mar 29 15:48:39 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * invoke.texi (Invoking G++, C++ Dialect Options): Update.
+
+Mon Mar 29 15:05:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * except.c (start_dynamic_handler): Force jmp_buf address to
+ and operand before moving to memory.
+
+Mon Mar 29 15:11:10 1999 Craig Burley <craig@jcb-sc.com>
+
+ * invoke.texi (Code Gen Options): Attempt to clarify
+ -fcheck-memory-usage. Minor edits to -fprefix-function-name.
+
+Mon Mar 29 20:52:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (maybe_eliminate_biv): For libcalls that set a giv, skip to
+ end of libcall.
+
+Mon Mar 29 20:35:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (mulsi3): Tag an extra REG_EQUAL note to the middle insn.
+
+Mon Mar 29 11:50:34 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * pa.h (HAVE_PRE_INCREMENT): Disable when optimizing for a PA8000
+ class machine.
+ (HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
+ (HAVE_POST_DECREMENT): Likewise.
+
+Mon Mar 29 08:24:43 1999 Bruce Korb <korb@datadesign.com>
+
+ * fixinc/mkfixinc.sh: Fix portability problems with old shells.
+
+ * fixinc/README: Updated for release announcement
+
+Sun Mar 28 20:26:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * recog.h (insn_outfun, insn_operand_predicate): Add prototype
+ arguments.
+
+ * rtl.h (note_stores): Likewise.
+
+ * rtlanal.c (note_stores): Likewise.
+
+Sun Mar 28 15:34:28 1999 Richard Henderson <rth@cygnus.com>
+
+ * varasm.c (output_constant_pool): Always mark the constant pool.
+
+Sun Mar 28 16:09:01 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+
+ * pa.md (pa7100LCshiftmem, pa7100LCalu): Change simultaneity. Use
+ shift/mem ops in pa7100LCalu.
+
+ * pa.c (pa_adjust_cost): Don't do cost adjustments on pa8000.
+ (pa_reorg): Don't call pa_combine_instructions on pa8000.
+
+Sun Mar 28 15:27:26 1999 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload): Remove accidental code duplication.
+
+Sun Mar 28 12:22:12 1999 Robert Lipe (robertlipe@usa.net)
+
+ * i386/sysv5.h: New file to describe UnixWare7/SVR5.
+ * configure.in (i?86-UnixWare7*-sysv): Use it.
+ * i386/udk.h: Use sysv5.h. Now uses Dwarf-2.
+
+Sun Mar 28 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Mar 28 00:44:27 1999 Jeffrey A Law (law@cygnus.com)
+
+ * sdbout.c (sdbout_symbol): Do not call build_pointer_type, build
+ one on the fly and do not cache the result.
+
+ * gcc.cps, cpp.cps: Delete unwanted files.
+
+Sat Mar 27 23:37:40 1999 John Wehle (john@feith.com)
+
+ * i386.md (movdicc+3, movdicc+4): Rewrite using split_di.
+ * i386.c (output_int_conditional_move): Delete unused code.
+
+Sat Mar 27 21:17:36 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/{aix41.h,aix43.h} (ASM_CPU_SPEC): Add 604e.
+
+Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (mark_used_regs): Improve handling of ASMs.
+
+1999-03-26 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * Makefile.in (xcpp, cppspec.o): New targets.
+ (CPP_INSTALL_NAME): New macro.
+ (install-cpp): Install xcpp. Use CPP_INSTALL_NAME.
+ (all.build, start.encap): Build xcpp.
+
+ * cppspec.c: New file, implements argument filtering for a
+ user-visible C preprocessor.
+ * cpp.sh: Removed.
+
+Fri Mar 26 20:41:46 1999 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir.
+
+Fri Mar 26 16:02:37 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in (arm-*-vxworks*): Just include arm/vxarm.h.
+ * configure: Regenerate.
+ * config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before
+ including arm/coff.h
+
+1999-02-16 Scott Bambrough <scottb@corelcomputer.com>
+
+ * configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if
+ --enable-threads[={yes,pthreads,posix}] is passed as a command
+ line parameter to configure.
+
+ * configure: Regenerate.
+
+ * gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC.
+
+Fri Mar 26 19:42:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (combine_givs): Fix index into can_combine when doing
+ benefit adjustment for remaining givs when having combined a giv.
+
+Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define.
+
+Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/linux-elf.h: Include dbxelf.h
+
+Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/svr4.h: Include new header file dbxelf.h.
+ (DBX_DEBUGGING_INFO): Remove definition.
+ (DBX_USE_BINCL): Remove definition.
+ (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
+ (ASM_IDENTIFY_GCC): Remove definition.
+ (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
+ (ASM_OUTPUT_SOURCE_LINE): Remove definition.
+ (DBX_FUNCTION_FIRST): Remove definition.
+ (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
+
+ * config/elfos.h: Include new header file dbxelf.h.
+ (DBX_DEBUGGING_INFO): Remove definition.
+ (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
+ (ASM_IDENTIFY_GCC): Remove definition.
+ (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
+ (ASM_OUTPUT_SOURCE_LINE): Remove definition.
+ (DBX_FUNCTION_FIRST): Remove definition.
+
+ * config/dbxelf.h: New header file.
+ (DBX_DEBUGGING_INFO): Define.
+ (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
+ (DBX_FUNCTION_FIRST): Define.
+ (DBX_USE_BINCL): Define.
+ (DBX_CONTIN_LENGTH): Define.
+ (ASM_IDENTIFY_GCC): Define.
+ (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
+ (ASM_OUTPUT_SOURCE_LINE): Define.
+ (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
+
+Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
+
+ * fold-const.c (fold_truthop): Optimize bitfield references with
+ different masks as long as their size and bit position are the same.
+
+ * fold-const.c (fold_truthop): Build a type for both the lhs and
+ rhs and use it appropriately.
+
+ * fold-const.c (fold_truthop): Mask the lhs and rhs after merging
+ adjacent bitfield references.
+
+ * fold-const.c (fold_truthop): Verify that the lhs and rhs are
+ in the same bit position when optimizing bitfield references
+ which have the same mask.
+
+Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * gcc.texi (Copy Assignment): New node.
+
+1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * gcc.c: Compile unconditionally all code formerly dependent
+ on #ifdef LANG_SPECIFIC_DRIVER.
+ * gccspec.c: New file with stub lang_specific_driver,
+ lang_specific_pre_link.
+ * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
+
+Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * gcc.texi (Temporaries): Update.
+
+Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
+
+ * combine.c (distribute_notes): Place REG_LABEL also where
+ REG_EQUAL indicates.
+
+Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
+
+ * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
+ * i960/i960.h (TARGET_SWITCHES): Add doc strings.
+ * invoke.texi (a29k): Add documentation for -mno-multm option.
+
+Thu Mar 25 14:04:54 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
+ * rtl.h (struct rtx_def): Update comment for frame_related field.
+ (set_unique_reg_note): Declare prototype.
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
+ 'dwarf2out_frame_debug' to handle only expressions, and process
+ component parts of a PARALLEL expression.
+ (dwarf2out_frame_debug): Process insns only, and call
+ new function 'dwarf2out_frame_debug_expr' for patterns.
+ * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
+ but if there is an existing one, delete it first.
+ * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
+ * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
+ (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
+ (expand_fix): Use set_unique_reg_note.
+
+Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
+
+ * tlink.c (symbol_hash_newfunc): Remove redundant call to
+ hash_newfunc.
+ (file_hash_newfunc, demangled_hash_newfunc): Likewise.
+
+Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
+
+1999-03-25 Philip Blundell <pb@nexus.co.uk>
+
+ Based on patch from Jim Studt <jim@federated.com>:
+ * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
+ definitions from config/linux.h.
+ (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
+
+Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
+
+ * loop.c (strength_reduce): Correct a comment.
+
+ * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
+
+Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
+
+ * Makefile.in (RANLIB_TEST): Improve test.
+
+Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
+
+ * combine.c (force_to_mode, case PLUS): Use sign extended mask
+ when masking the low bits out of a constant.
+
+Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
+ Jeff Law <law@cygnus.com>
+
+ * fold-const.c (make_range): If orig_type is unset, set it as soon
+ as we know the type. Remove now unnecessary set of orig_type for
+ conversions.
+
+Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
+ Jeff Law <law@cygnus.com>
+
+ * system.h (STDIN_FILENO): Provide default definition if one is not
+ provided by the system header files.
+ (STDOUT_FILENO, STDERR_FILENO): Likewise.
+
+ * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
+ * collect2.c (main): Use it.
+ (pexecute_pid): New variable. Holds return value from call to pexecute.
+ (collect2_execute): Rework to use pexecute instead of fork.
+ (collect2_wait): Use pwait() instead of wait().
+
+ * i386/djgpp.h: Fix typo.
+
+Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
+
+ * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
+ cygwin32.
+
+Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
+ versions of attribute names and values.
+ (m32r_valid_machine_decl_attribute): Likewise.
+ (m32r_encode_section_info): Likewise.
+
+Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (choose_reload_regs): If output-reloading for a
+ simple move insn, try to inherit an equivalence for the input.
+
+1999-02-24 Mike Stump <mrs@wrs.com>
+
+ * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
+
+1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
+
+ * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
+ platforms.
+
+Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
+
+ * fold-const.c (fold): Recognize a rotate by an unsigned amount.
+
+Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (rotlsi3): New expander. Synthesize a variable rotate
+ left using a variable rotate right. Provide anonymous pattern for
+ rotate left by a constant value.
+
+ * expr.c (expand_assignment): Do not try to optimize an aggregate
+ address which has VOIDmode.
+
+Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
+ Donn Terry <donn@interix.com>
+
+ * protoize.c (abspath): Preserve multiple leading slashes for
+ _WIN32 and Interix.
+
+1999-01-23 Mike Stump <mrs@wrs.com>
+
+ * arm/vxarm.h: Split out vxWorks support into separate headerfile
+ and vxify.
+ * arm/arm.c (cpu_defaults): Allow arm710 as default.
+
+ * configure.in: Split out vxWorks support for Arm.
+ * configure: Rebuilt.
+
+Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
+
+ * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
+
+Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
+ * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
+
+Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
+
+ * function.c: Include hash.h.
+ (insns_for_mem_entry): New struct.
+ (put_reg_into_stack): Take an optional hash-table mapping MEMs to
+ the INSNs that use them.
+ (fixup_var_refs): Likewise.
+ (put_addressof_into_stack): Likewise.
+ (purge_addressof_1): Likewise. Keep the hash-table up to date if
+ we add new instructions.
+ (fixup_var_refs_insns): Use it to avoid searching the entire
+ instruction chain.
+ (insns_for_mem_newfunc): New function.
+ (insns_for_mem_comp): Likewise.
+ (insns_for_mem_walk): Likewise.
+ (compute_insns_for_mem): Likewise.
+ (pop_function_context_from): Pass NULL for the hash-table.
+ (put_var_into_stack): Likewise.
+ (gen_mem_addressof): Likewise.
+ (flush_addressof): Likewise.
+ (purge_addressof): Call compute_insns_for_mem to pre-compute the
+ hash table.
+ * Makefile.in (OBJS): Include hash.o.
+ (function.o): Depend on hash.h.
+
+Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
+ numbers.
+ * i386/netbsd.h, i386/freebsd.h: Likewise.
+
+ * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
+ problems.
+
+ * i386/openbsd.h (TARGET_DEFAULT): Define.
+ * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
+ configurations.
+ * configure: Rebuilt.
+
+Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
+
+ * i386/freebsd.h (TARGET_DEFAULT): Define instead
+ of TARGET_CPU_DEFAULT.
+ * i386/netbsd.h (TARGET_DEFAULT): Likewise.
+
+Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
+ Donn Terry <donn@interix.com>
+
+ * sdbout.c (syms.h): Don't include on Interix.
+ * toplev.c (main): No sbrk on Interix.
+
+ * configure.in: Add i386-pc-interix support.
+ * configure: Regenerate.
+ * fixinc.interix: New file.
+ * config/interix.h: New file.
+ * config/x-interix: New file.
+ * config/xm-interix.h: New file.
+ * i386/interix.h: New file.
+ * i386/interix.c: New file.
+ * i386/t-interix: New file.
+
+Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.h (PREFERRED_STACK_BOUNDARY): Define.
+
+Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
+
+ * i386.c (ix86_compute_frame_size): New function.
+ (ix86_prologue, ix86_epilogue): Use it.
+ * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
+ * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
+
+Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
+
+ * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
+ strings.
+ * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
+
+Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
+ passing ATTRIBUTES to arm_valid_machine_decl_attribute.
+
+ * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
+ passing ATTRIBUTES to arm_valid_machine_decl_attribute.
+
+ * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
+ OUTER_CODE to arm_rtx_costs - it is not used.
+ (arm_compare_fp): Delete declaration.
+ (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
+ arm_final_prescan_insn - they are not used.
+ (const_ok_for_op): Remove prototype.
+ (arm_rtx_costs): Fix prototype.
+ (arm_valid_machine_decl_attribute): Fix prototype.
+ (final_prescan_insn): Fix prototype.
+
+ * config/arm/arm.md: Remove references to arm_compare_fp.
+
+ * config/arm/arm.c (arm_compare_fp): Delete.
+ (const_ok_for_op): Make function static. Add prototype. Remove
+ mode parameter - it is unused.
+ (arm_rtx_costs): Remove outer_code parameter.
+ (reload_memory_operand): Declare mode parameter unused.
+ (power_of_two_operand): Declare mode parameter unused.
+ (equality_operator): Declare mode parameter unused.
+ (load_multiple_operation): Declare mode parameter unused.
+ (store_multiple_operation): Declare mode parameter unused.
+ (multi_register_push): Declare mode parameter unused.
+ (arm_valid_machine_decl_attribute): Remove attributes parameter -
+ it is unused.
+ (select_dominance_cc_mode): Remove op parameter - it is unused.
+ (gen_compare_reg): Remove fp parameter - it is unused.
+ (final_prescan_insn): Remove opvec and noperands parameters - they
+ are unused.
+
+Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
+
+ * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
+
+Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_as_needed): Set reload_is_output_reload /
+ reload_has_output_reload for auto_inc expressions that could be
+ reloaded. Call forget_old_reloads for REG_INC notes.
+
+Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * cse.c (cse_insn): Don't change the result register of a libcall.
+
+Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtl.h (shallow_copy_rtx): Declare.
+ * rtl.c (shallow_copy_rtx): New function.
+ * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
+ copy_rtx.
+
+Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
+
+ * config/h8300/h8300.md (adjust_length): New attribute.
+ (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
+ default value of attribute "adjust_length" onto "no".
+
+ * config/h8300/h8300.c (h8300_adjust_insn_length): Adjust
+ length only if the attribute "adjust_length" value is "yes".
+ Use 0 if the shift is negative.
+
+ * final.c (shorten_branches): Check insn length after its
+ adjusting.
+
+Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i860.h (TARGET_SWITCHES): Add documentation for default case.
+ * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
+ * i370.h (TARGET_SWITCHES): Add documentation for default case.
+ * fx80.h (TARGET_SWITCHES): Add documentation for default case.
+ * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
+ * clipper.h (TARGET_SWITCHES): Add documentation for default case.
+ * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
+ * pa.h (TARGET_SWITCHES): Add documentation for default case.
+ (TARGET_OPTIONS): Likewise for default case.
+ * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
+ * h8300.h (TARGET_SWITCHES): Add documentation for default case.
+
+ * gcse.c (dump_hash_table): Fix whitespace in declaration.
+ (compute_transpout): Renamed from pre_compute_transpout.
+ (compute_pre_*): Deleted.
+ (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
+ callers changed.
+ (insert_insn_end_bb): Renamed from pre_insert_insn.
+ (pre_*): Delete unused variables. Only leave local properties and
+ global redundant/optimal computation points.
+ (alloc_pre_mem, free_pre_mem): Corresponding changes.
+ (compute_pre_data): Simplify and call pre_lcm to run the lazy
+ code motion dataflow analysis.
+ (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
+ based redundant and optimal computation points.
+
+ * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
+
+ * toplev.c (main): A debug option without a level defaults to
+ level 2.
+
+Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
+
+ * flow.c (can_delete_label_p): Do not allow user specified
+ labels to be deleted.
+ * dwarf2out.c (gen_label_die): Generate addresses for deleted
+ (programmer specified) labels.
+ * dwarfout.c (output_label_die): Generate addresses for deleted
+ (programmer specified) labels.
+
+1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
+ linked with.
+
+Sun Mar 21 01:15:03 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.h (TARGET_SWITCHES): Add null description to default case.
+
+Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c (yylex): Remove unused variable `bytes'.
+
+ * flow.c (print_rtl_with_bb): Cast the return value of alloca.
+
+ * function.c (assign_parms): Wrap variable `varargs_setup' in
+ macro SETUP_INCOMING_VARARGS.
+ (thread_prologue_and_epilogue_insns): Mark parameter `f' with
+ ATTRIBUTE_UNUSED.
+
+ * local-alloc.c (no_equiv): Likewise for parameter `store'.
+
+ * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
+
+ * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
+ file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
+ demangled_hash_lookup, symbol_push, symbol_pop, file_push,
+ file_pop, tlink_init, tlink_execute, frob_extension,
+ obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
+ maybe_tweak, recompile_files, read_repo_files,
+ demangle_new_symbols, scan_linker_output): Add static prototype.
+
+ (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
+ Make the third argument a `hash_table_key'.
+
+ * toplev.c (debug_start_source_file): Mark parameter `filename'
+ with ATTRIBUTE_UNUSED.
+
+Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * tm.texi (Varargs): Don't split argument of @item across lines.
+
+ * invoke.texi: Fix use of @item vs @itemx.
+
+Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
+ default case.
+
+Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (check_dbra_loop): Fix debug message.
+
+Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
+ pattern instead of decrement_and_branch_until_zero pattern.
+
+Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
+ * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
+
+Fri Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
+
+ * expr.c (expand_expr): Handle ERROR_MARK much earlier.
+
+Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
+
+ * cppfiles.c (read_and_prescan): Likewise.
+ Start a #define in column 0.
+
+ * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
+ (cpp_push_buffer): Likewise for cpp_buffer*.
+ (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
+ (do_endif): Cast to char* when assigning to one.
+ (do_assert): Likewise.
+ (do_unassert): Likewise.
+ (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
+ Don't do unnecessary cast to char* anymore.
+
+ * genrecog.c (make_insn_sequence): Cast to char** when assigning
+ to one. Cast the first argument of bzero to PTR.
+
+ * loop.c (strength_reduce): Remove unused variable `note'.
+
+ * reload1.c (new_insn_chain): Cast to struct insn_chain* when
+ assigning to one.
+
+ * rtl.c (copy_rtx): Use memcpy instead of bcopy.
+
+Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (initialize_argument_information): Mark parameters
+ `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
+
+ * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
+ `filename'.
+ (dbxout_finish): Likewise for parameters `file' and `filename'.
+ (dbxout_prepare_symbol): Likewise for parameter `decl'.
+ (dbxout_begin_function): Likewise.
+
+ * explow.c (hard_function_value): Likewise for parameter `func'.
+
+ * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
+
+ * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
+ * expr.c (expand_expr): Likewise.
+ * expr.h (expand_abs): Delete unused argument from prototype.
+ * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
+
+ * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
+ (sdbout_end_block): Likewise for parameter `n'.
+
+ * toplev.c (debug_define): Likewise for parameters `lineno' and
+ `buffer'.
+ (debug_undef): Likewise.
+
+ * varasm.c (named_section): Likewise for parameter 'reloc'.
+ (assemble_external): Likewise for parameter `decl'.
+ (assemble_alias): Likewise for parameter `target'.
+
+Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * toplev.c (read_integral_parameter): Constify. Better control of
+ error messages.
+ (main): Use read_integral_parameter to set optimize, id_clash_len,
+ larger_than_size, and the debugging level.
+ * toplev.h (read_integral_parameter): Update prototype.
+
+Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * system.h: Use putc_unlocked, fputc_unlocked, and
+ fputs_unlocked only if putc_unlocked has a prototype already.
+ Prototype fputs_unlocked if necessary.
+ * configure.in: Check for prototypes of putc_unlocked and
+ fputs_unlocked.
+ * acconfig.h: Updated.
+ * config.in, configure: Rebuilt.
+
+Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * Makefile.in (INTL_TARGETS): New macro.
+ ($(INTL_TARGETS)): Depend on generated sources; drop dependencies
+ on cp/parse.c and objc/objc-parse.c.
+ ($(srcdir)/cp/parse.c): Move to cp/Make-lang.in.
+ * objc/Make-lang.in ($(INTL_TARGETS)): Depend on objc/objc-parse.c.
+
+Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i860.h (TARGET_SWITCHES): Add documentation.
+ * i860/paragon.h (TARGET_SWITCHES): Add documentation.
+ * i370.h (TARGET_SWITCHES): Add documentation.
+ * fx80.h (TARGET_SWITCHES): Add documentation.
+ * elxsi.h (TARGET_SWITCHES): Add documentation.
+ * clipper.h (TARGET_SWITCHES): Add documentation.
+ * 1750a.h (TARGET_SWITCHES): Add documentation.
+ * pa.h (TARGET_SWITCHES): Add documentation.
+ (TARGET_OPTIONS): Likewise.
+ * mn10300.h (TARGET_SWITCHES): Add documentation.
+ * h8300.h (TARGET_SWITCHES): Add documentation.
+
+Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
+
+ * loop.c (strength_reduce): Do not perform pseudo replacements
+ if the loop contains volatile memory references.
+
+Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload.c (find_reloads_toplev): When processing X recursively,
+ don't alter it destructively except by filling in constants.
+
+Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c (default_include): Initialize structure members.
+ (pass_thru_directive): Change the type of 'keyword_length' to int.
+ (main): Cast `bindtextdomain' and `textdomain' to (void).
+
+ * collect2.c (main): Likewise.
+
+ * cppmain.c (main): Likewise.
+
+ * gcc.c (main): Likewise.
+
+ * gcov.c (main): Likewise.
+
+ * protoize.c (main): Likewise.
+
+ * toplev.c (main): Likewise.
+
+1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.c (mips_explicit_type_size_string): Correct
+ its type.
+
+Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in: Use "exit 1", not "exit (1)".
+ * configure: Rebuilt.
+
+Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
+
+ * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
+ `/include' in order to find the system's limits.h.
+
+Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
+
+ * fixinc/fixincl.c: Include auto-host.h instead of config.h.
+ * fixinc/procopen.c: Likewise.
+ * fixinc/regex.c: Likewise.
+ * fixinc/server.c: Likewise.
+
+Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
+
+ * config/i386/go32.h: Delete.
+ * config/i386/djgpp.h: New. Renamed from go32.h.
+ Added -DDJGPP=2 to CPP_PREDEFINES.
+ * config/i386/go32-rtems.h: Delete.
+ * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
+ Added -DDJGPP=2 to CPP_PREDEFINES.
+ * config/i386/xm-go32.h: Delete.
+ * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
+ * config/i386/x-go32: Delete.
+ * config/i386/x-djgpp: New. Renamed from x-go32.
+ * config/i386/t-go32: Delete.
+ * config/i386/t-djgpp: New. Renamed from t-go32.
+ * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
+ Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
+ Set xmake_file to i386/x-djgpp.
+ (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
+ is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
+ used instead.
+ * configure: Rebuilt.
+
+ * gcc.c (process_command): Dump link_command_spec too.
+
+Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+ Jeff Law <law@cygnus.com>
+
+ * pa.md: Add real PA8000 scheduling information.
+
+ * pa.h (processor_type): Add PROCESSOR_8000 symbol.
+ (ISSUE_RATE): Revamp, including PA8000 support.
+ * pa.c (override_options): Add 8000 as -mschedule= option.
+ Do not call strcmp if pa_cpu_string is null.
+ * pa.md (attr cpu): Add 8000.
+ * invoke.texi: Add documentation for PA8000 scheduling.
+
+Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
+ Add descriptions.
+ * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
+ * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
+
+Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (compute_immediate_dominators): New function.
+ * basic-block.h (compute_immediate_dominators): Declare it.
+
+ * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
+ in FP regs.
+ (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
+
+Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
+ time warning.
+ * config/arm/arm.md: Fix various compile time warnings.
+ * config/arm/arm.h: Fix various compile time warnings. Add
+ function prototypes.
+ * config/arm/arm.c: Fix various compile time warnings.
+ (arm_override_options): Reorganize to separate tuning from
+ targetting.
+ (bit_count): New function: Return a count of the number of bits
+ set in a word.
+
+Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
+ things that were eliminated.
+
+Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
+
+ * function.c (fixup_var_refs_1): First try moving the expression
+ directly into a register. Don't separate cc0 setter and user.
+
+Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
+
+ * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
+
+Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c: Don't include setjmp.h.
+ (parse_float): New static function.
+ (pf_args): New struct.
+ (yylex): Use them in call to `do_float_handler'.
+
+1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * cexp.y (yyerror): Call verror to get a useful error message.
+ * cexp.c: Rebuilt.
+
+ * .gdbinit: Move command to put breakpoint at abort to end of file
+ so that gdb does not bail out early.
+
+Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
+
+ * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
+
+Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
+
+Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
+
+ * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
+ Delete emit_library_call_value declaration.
+
+1999-03-16 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
+ (which cannot otherwise appear in the processed buffer) and
+ move it out of tokens that it appears in the middle of.
+ Improve performance.
+ (find_position): New function.
+
+ * cpplib.c: \r (one character) indicates backslash
+ newline, not \\\n (two characters). It cannot appear in the
+ middle of a token. Call CPP_BUMP_LINE (pfile) whenever
+ parsing moves past \n or \r. Increment pfile->lineno whenever
+ a \n is placed into token_buffer. Only one mark can exist at
+ a time, and CPP_BUMP_LINE must not be used while it is
+ active. It is automatically cleared by cpp_pop_buffer and
+ parse_goto_mark. \r is not in is_hor_space or is_space.
+
+ (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
+ update_position, count_newlines, parse_move_mark): Removed.
+ (parse_string, copy_comment): New functions.
+ (parse_name): Returns void.
+ (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
+ one argument, a cpp_reader *. Change for new marking scheme.
+ (skip_comment): Handle CHILL line comments too. Second
+ argument is now first character of comment marker; all callers
+ changed. Issue error for unterminated block comment here.
+ (cpp_skip_hspace): Recognize CHILL comments.
+ (copy_rest_of_line): Likewise. Call skip_comment and
+ parse_string directly, don't go through cpp_get_token. Emit
+ "/**/" for block comments if -traditional (create_definition
+ needs this).
+ (do_define): Don't play with put_out_comments.
+ (cpp_push_buffer): Initialize ->mark to -1.
+ (cpp_buf_line_and_col): Just read out the values in the buffer
+ structure.
+ (output_line_command): Use cpp_buf_line_and_col. Fix
+ formatting. Remove stale code.
+ (cpp_get_token): Break out string parsing code to
+ parse_string. Use skip_comment for CHILL comments too. Use
+ copy_comment for put_out_comments instead of dinking with
+ marks. Remove stale code. Don't call output_line_command
+ unless it's necessary.
+
+ * cpplib.h (parse_marker): Removed.
+ (struct cpp_buffer): Line_base is now an unsigned char *; add
+ `mark' [long], remove `marks' [struct parse_marker *].
+ (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
+ prototypes.
+ (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
+ * cppinit.c (is_hor_space, is_space): '\r' is not considered
+ whitespace.
+ * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
+ SKIP_WHITE_SPACE.
+ * cpphash.c (macarg): Disable line commands while expanding.
+
+Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * c-lex.c (yylex) : Remove warning for integer literals being
+ larger than the largest target int. Add warning for integer
+ literal being larger than than its chosen type.
+
+Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * invoke.texi: Add -mlong32 documentation.
+ * config/mips/mips.h (mips_explicit_type_size_string): New.
+ (TARGET_SWITCHES): Add 'long32'.
+ (TARGET_OPTIONS): Add 'explicit-type-size'.
+ (CC1_SPECS): Set -mexplicit-type-size.
+ (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
+ * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
+ * config/mips/mips.c (mips_explicit_type_size_string): New.
+ (override_options): Use it.
+ * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
+
+ * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
+ Pointer size now depends on both size longs and size of GP
+ registers.
+
+Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
+ dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
+ * config/mips/mips.c (override_options): Allow -mlong64 and
+ -mint64 with -mips2 or less.
+ * config/mips/mips.h (MASK_LONG64): Fix comment.
+ (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
+ (Pmode): Make Pmode the smaller of longs or gp registers.
+ * invoke.texi: Note the new size for pointers.
+
+Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
+ bit-pattern directly.
+ (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
+ * rs6000.c (first_reg_to_save): If profiling and context needed,
+ allocate a reg to save static chain for all ABIs. For AIX
+ profiling, calculate parameter registers to save based on need.
+ (output_function_profiler): Save and restore static chain around
+ profile call for all ABIs.
+
+1999-03-15 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppinit.c: Instead of one pending list, keep separate lists
+ for each category of pending option: -D/-U, -A, -include,
+ -imacros. Move the four partial include-path lists into the
+ pending block. Use head and tail pointers so we don't ever
+ have to reverse the lists.
+
+ (cpp_start_read): Break out blocks of code to their own
+ functions: install_predefs and initialize_dependency_output.
+ Use path_include for C_INCLUDE_PATH and friends as well as
+ CPATH. Remove include_defaults gunk. Warn about the
+ combination of -lang-chill and -trigraphs. Optimize string
+ bashing. Walk each pending list once, deallocating as we go.
+
+ (append_include_chain): Brought over from cppfiles.c. Mark
+ dirs as system include dirs if and only if appending to
+ system include path. If opts->verbose, print a notice when a
+ dir is dropped from the include path because it doesn't
+ exist. Fix memory leak: this function is not supposed to copy
+ its DIR argument.
+
+ (nreverse_pending, push_pending): Removed.
+ (APPEND): New macro for adding to pending lists.
+ (path_include): Can now add to any partial include path.
+ (base_name): Bring over from cccp.c.
+ (cpp_options_init): Allocate the pending block.
+ (cpp_handle_option): Add --version. Exit after --help. Fix
+ formatting. Order -ifoo options by frequency of usage.
+ (install_predefs): New function, simplified version of code
+ that was in cpp_start_read.
+ (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
+
+ * cppfiles.c (simplify_pathname): Export.
+ (merge_include_chains): Don't nreverse the lists. If
+ opts->verbose, print a notice when a duplicate dir is detected
+ and dropped from the include path.
+ (finclude): Fix excessive cleverness in setting
+ fp->system_header_p.
+ (actual_directory): Set x->sysp from
+ CPP_BUFFER (pfile)->system_header_p so that one system header
+ may include another with "".
+ (deps_output): Fix double adjustment of deps_size which would
+ cause all dependencies after the first two lines to be lost.
+
+ * cpplib.c (cpp_unassert): New function.
+ * cpplib.h: Lay out struct cpp_pending here. Adjust
+ prototypes. Add include_prefix_len to struct cpp_options.
+
+Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
+ from HI/LO/HILO/MD into general registers the same as for one
+ of moving general registers to HI/LO/HILO/MD.
+
+Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/m32r/m32r.c (init_idents): New function. Initialize
+ static tree nodes for m32r specific attribute identifiers. Remove
+ leading and trailing double underscores from the attribute names.
+ (m32r_valid_machine_decl_attribute): Call init_idents.
+ (m32r_encode_section_info): Call init_idents.
+
+Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
+ LABEL_REF for something else.
+
+Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (exact_real_inverse): Move variable `float_error'
+ into the scope where it is used.
+ (const_binop_1): New static function.
+ (cb_args): New struct.
+ (const_binop): Use them in call to `do_float_handler'.
+ (fold_convert_1): New static function.
+ (fc_args): New struct.
+ (fold_convert): Use them in call to `do_float_handler'.
+
+Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * rtlanal.c (auto_inc_p): New function.
+ * rtl.h (auto_inc_p): Prototype it.
+ * reload1.c (add_auto_inc_notes): New function.
+ (reload): Strip REG_INC notes and call add_auto_inc_notes
+ for each insn to restore them correctly.
+
+1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * fixinc/Makefile.in (procopen.o): List the actual
+ dependencies.
+
+Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cse.c (check_fold_consts): New static function.
+ (cfc_args): New struct.
+ (simplify_relational_operation): Use them in call to
+ `do_float_handler'.
+
+ * toplev.c (do_float_handler): New function to wrap calls to
+ setjmp/set_float_handler.
+
+ * toplev.h (do_float_handler): Add extern prototype.
+
+ * tree.c (build_real_from_int_cst_1): New static function.
+ (brfic_args): New struct.
+ (build_real_from_int_cst): Use them in call to
+ `do_float_handler'.
+
+Sun Mar 14 01:15:06 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
+
+Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.c (arm_split_constant): Don't try to force a constant to
+ memory after arm_reorg has run.
+ (after_arm_reorg): New static variable.
+ (arm_reorg): Set it.
+ (output_func_epilogue): Clear it.
+
+Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
+ * configure: Rebuilt.
+
+Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * unroll.c (loop_iterations): Don't return a final value for EQ
+ comparison loops.
+
+Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
+
+ * reload1.c (calculate_needs_all_insns): When ignore equivalence
+ setting insn, clear need_elim, need_reload, and need_operand_change.
+
+Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
+
+ * fixinc/fixinc.*: Some changes from the fixincl-branch
+ were not applied (??!!). Corrected.
+
+ * fixinc/Makefile.in: Same thing.
+
+Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
+
+ * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
+ MAX_INTEGER_COMPUTATION_MODE.
+
+Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
+ (MODES_TIEABLE_P): Update.
+
+ * alpha.md (ev5_e0): Conflict loads and stores.
+
+Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * machmode.h (smallest_mode_for_size): Prototype.
+ * stor-layout.c (smallest_mode_for_size): Remove static.
+
+Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
+ conversion if we don't know the lifetime.
+
+Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload.1c (delete_address_reloads_1): Check for reloads of
+ CURRENT_INSN even if it sets DST.
+
+Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
+ (print_die, size_of_die, value_format, output_die): Adjust.
+
+Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
+
+ * dwarf2out.c (TEXT_SECTION_LABEL, DEBUG_LINE_SECTION_LABEL,
+ DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
+ text_section_label, debug_line_section_label,
+ debug_info_section_label, abbrev_section_label): New.
+ (output_compilation_unit_header): Emit label associated
+ with section instead of section name itself.
+ (out_pubnames, output_aranges, output_line_info,
+ dwarf2out_finish): Likewise.
+ (dwarf2out_init): Build internal label names for sections
+ from static labels.
+
+Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (mulsi3): End mul.l sequence with a no-op move.
+
+Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
+
+ * Makefile.in: Activated fixinc/mkfixinc.sh.
+ * configure.in: Activated fixinc/mkfixinc.sh.
+
+Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * cppfiles.c (INO_T_EQ): Handle UWIN.
+
+ * c-common.c (decl_attributes): Flag unrecognized attribute
+ functions as warnings instead of as errors.
+
+ Support for i386-pc-uwin.
+ * i386/uwin.h: New file.
+ * i386/xm-uwin.h: New file.
+ * i386/t-uwin: New file.
+ * i386/uwin.asm: New file.
+ * configure.in (i[3456]86-*-uwin*): Define.
+ Add Workaround for vfork bug when hosted on uwin.
+ * configure: Regenerate.
+
+ * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
+ (absolute_filename): UWIN uses POSIX pathnames only.
+ * libgcc2.c (getpagesize): Do not define for UWIN.
+ (mprotect): Likewise.
+ * protoize.c (dirent.h): Conditionally include.
+ (fputc): Prototype only if it's not a macro.
+
+Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * configure.in: Remove init_priority stuff.
+
+1999-03-11 Colin Smith <colin@wrs.com>
+
+ * sdbout.c (plain_type_1): Make boolean types work better with sdb.
+
+Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * gcc.texi: Update bug reporting instructions to match
+ current ezmlm list reality.
+
+Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (print_file_name, print_prog_name, spec_machine,
+ read_specs, set_spec, lookup_compiler, build_search_list,
+ putenv_from_prefixes, find_a_file, record_temp_file,
+ delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
+ is_directory, validate_switches, used_arg, default_arg,
+ pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
+ notice, add_preprocessor_option, add_assembler_option,
+ add_linker_option, process_command, execute,
+ unused_prefix_warnings, clear_args, fatal_error,
+ lang_specific_driver, user_specs, compiler, link_command_spec,
+ option_map, translate_options, make_temp_file, temp_name,
+ programname, path_prefix, machine_suffix, just_machine_suffix,
+ gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
+ md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
+ standard_startfile_prefix, standard_startfile_prefix_1,
+ standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
+ multilib_dir, temp_filename, temp_file, command, switchstr,
+ infile, outfiles, input_filename, input_basename, input_suffix,
+ check_live_switch, main): Qualify a char* with the `const' keyword.
+
+Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
+
+ * lcm.c: New file.
+ * Makefile.in (OBJS): Add lcm.o.
+ (lcm.o): Add dependencies.
+
+ * gcse.c (compute_pre_local_properties): Delete.
+ (compute_pre_data): Use compute_local_properties instead of
+ compute_pre_local_properties.
+
+ * gcse.c: More comments, whitespace and similar fixes.
+ (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
+ (dump_pre_data, compute_cprop_local_properties): Likewise.
+ (one_classic_gcse_pass): Lose unused argument. All callers changed.
+ (compute_hash_table, compute_expr_hash_table): Likewise.
+ (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
+ (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
+ All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
+ Lose unused argument.
+ (gcse_main): Always run a cprop pass after finishing global cse.
+ (compute_local_properties): New function.
+ (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
+ (compute_cprop_data): Use compute_local_properties.
+
+ * gcse.c: Update various comments.
+ (current_function_calls_longjmp): Delete declaration.
+
+ * gcse.c (run_jump_opt_after_gcse): New variable.
+ (gcse_main): Returns an integer.
+ (hash_scan_set): Record initializations from CONST_DOUBLEs too.
+ (try_replace_reg): Update some comments.
+ (cprop_insn): Allow propagation into some JUMP_INSNs too.
+ * rtl.h (gcse_main): Update prototype.
+ * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
+ then run a jump optimization pass.
+ * jump.c (delete_barrier_successors): Delete nop jumps too.
+
+Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
+ for FP arithmetic. Changed caller.
+ * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
+
+Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (choose_reload_regs): When inheriting from the frame
+ pointer, don't clobber it.
+
+Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
+
+ * fixinc/fixinc.*: Resync-ed with the files in this
+ directory.
+
+ * fixinc/mkfixinc.sh: The machine case elements were
+ out-of-order. (the ix86-*-linux-gnu* entry needed to
+ be earlier).
+
+Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (reload_combine_note_store): Fix calculation of number
+ of affected registers.
+
+Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (tidy_fallthru_edge): Be more careful finding the last
+ BARRIER of a list. Delete the cc0 setter as well as a cond jump.
+
+Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * i386.md (ashlsi3 splitter): Fix typo in last change.
+
+Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
+ instead of an explicit test for RETURN.
+
+Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
+
+ * toplev.c: Include basic-block.h.
+
+Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
+
+ * calls.c (load_register_parameters): New function.
+ (expand_call): Use it.
+
+ * calls.c (expand_call): Slightly reorganize code.
+
+ * calls.c (compute_argument_addresses): New function.
+ (rtx_for_function_call): New function.
+ (expand_call): Use them.
+
+ * i386.md (zero_extendhisi2): Split into an expander and anonymous
+ pattern. Add new anonymous pattern for use when optimizing for
+ size or for the PPro.
+ (zero_extendqihi2, zero_extendqisi2): Likewise.
+
+Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
+ dependencies to sets in the non-hard-reg case too.
+
+Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
+
+Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
+
+ * local-alloc.c (combine_regs): Don't combine if we have a hard reg
+ for which CLASS_LIKELY_SPILLED_P is true.
+
+ * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
+ have a REG or SUBREG.
+
+Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.md (ashlsi3): Revise comments. Provide new anonymous
+ pattern for Pentium and PPro/PII. Reverse constraints in
+ generic ashlsi3 anonymous pattern.
+
+ * calls.c (initialize_argument_info): Accept a pointer to
+ CUMULATIVE_ARGS.
+ (expand_call): Pass the address of CUMULATIVE_ARGS.
+
+ * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
+
+ * mn10300.h (CASE_DROPS_THROUGH): Delete.
+ * mn10200.h (CASE_DROPS_THROUGH): Delete.
+ * h8300.h (CASE_DROPS_THROUGH): Delete.
+
+ * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
+ to also delete the cc0 setter when deleting a conditional branch
+ to the next block.
+
+Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * regmove.c (copy_src_to_dest): New argument max_old_uid.
+
+Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
+
+ * ChangeLog: Merged entries from fixincl-branch.
+
+Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
+ (print_exp): Special case addition of a constant.
+ (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
+
+Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * haifa-sched.c (reg_last_clobbers): New.
+ (reg_pending_clobbers, bb_reg_last_clobbers): New.
+ (compute_block_backward_dependences): Allocate memory for them.
+ (schedule_region): Likewise.
+ (sched_analyze_1): Clobbers don't interfere with one another.
+ They do interfere with sets ...
+ (sched_analyze_2): ... and uses.
+ (sched_analyze): Likewise.
+ (sched_analyze_insn): Update reg_last_clobbers appropriately.
+
+Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gmon-sol2.c: Include config.h and system.h. Don't redundantly
+ include system header files.
+ (sccsid): Remove.
+ (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
+ (_mcleanup): Add the `const' keyword to a char*.
+ (internal_mcount): Declare `etext' as a char[] not a function.
+ Cast `etext' to char* when calling `monstartup'.
+
+ * sparc.c (frame_base_name, save_regs, restore_regs,
+ build_big_number, sparc_cmodel_string, sparc_align_loops_string,
+ sparc_align_jumps_string, sparc_align_funcs_string, code_model,
+ cpu_default, cpu_table, output_function_prologue,
+ output_function_epilogue, output_return,
+ sparc_flat_output_function_prologue, ultra_code_names,
+ sparc_flat_output_function_epilogue): Constify a char*.
+ (hypersparc_adjust_cost): Add a default case in a switch.
+
+ * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
+ sparc_cpu_select, sparc_align_loops_string,
+ sparc_align_jumps_string, sparc_align_funcs_string,
+ output_return): Constify a char*.
+
+ * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
+ so that we check "== 32", instead of "!= 64". Cast a value to
+ HOST_WIDE_INT when comparing against one. Hide the declaration
+ for variable `chain'.
+
+Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (const, inline): Move the stage2 handling of these
+ keywords-as-macros from here...
+
+ * gansidecl.h (const, inline): ...to here.
+
+Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
+
+Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (canon_hash): Never reject hard regs in CCmode.
+
+Sun Mar 7 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
+ Richard Henderson <rth@cygnus.com>
+
+ * flow.c (make_edges): Handle casesi that jump to default branch.
+ If CASE_DROPS_THROUGH, force fallthru to block after casesi.
+
+Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-aux-info.c (data_type, affix_data_type, gen_decl,
+ gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
+ Qualify a char* with the `const' keyword.
+
+ * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
+ declare_function_name, decl_attributes, format_char_info,
+ check_format_info, binary_op_error): Likewise.
+
+ * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
+
+ * gcse.c (dump_hash_table): Likewise.
+
+ * integrate.c (function_cannot_inline_p): Likewise.
+
+ * optabs.c: Include insn-config.h earlier.
+ (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
+ Qualify a char* with the `const' keyword.
+
+ * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
+ asctoeg, mtherr, ereal_atof): Likewise.
+
+ * real.h (ereal_atof): Likewise.
+
+ * sbitmap.c (dump_sbitmap_vector): Likewise.
+
+ * sbitmap.h (dump_sbitmap_vector): Likewise.
+
+ * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
+
+ * toplev.c (rest_of_compilation): Likewise.
+
+ * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
+
+Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
+ not overwrite AIX link register save area.
+
+Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload.c (find_reloads_subreg_address): Actually create the USE
+ for the register, not the new memory location.
+
+Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (emit_reload_insns): If pseudo that can't be replaced
+ with its equivalent constant, fall back to reload_in.
+
+Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in: Delete .flow2 debugging files.
+
+Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (arm_override_options): Change default target
+ cpu selection so that enabling TARGET_APCS_32 does not override
+ default target CPU.
+
+Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (SLOW_BYTE_ACCESS): Define to 1.
+ (BOOL_TYPE_SIZE): Define.
+
+Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
+
+ * function.c (assign_stack_temp_for_type): Abort
+ if mode == Blkmode and align is less than
+ BIGGEST_ALIGNMENT / BITS_PER_UNIT.
+ (assign_stack_temp_for_type): Round the size parameter
+ passed to assign_stack_local instead of size itself.
+
+Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (delete_unreachable_blocks): Mark blocks as they
+ are put on to the worklist, not as they are taken off.
+
+Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (current_function_has_computed_jump): Remove duplicate
+ definition.
+
+Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
+
+ * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
+ (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
+
+ * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
+ MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
+ (INIT_SUBTARGET_OPTABS): Define to empty.
+
+Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (force_into): New function.
+ (expand_block_move): Use it.
+
+Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
+
+ * cccp.c (struct default_include): Add 'included' field.
+ (main): Set 'included' field when a default include directory
+ is added to the chain. If -v is specified list all default
+ include directories which do not get appended to the chain.
+
+Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
+
+ * configure.in (gxx_include_dir): Rename to
+ gcc_gxx_include_dir in order to prevent it being overridden by
+ a top level Makefile.
+ (gcc_tooldir): If $exec_prefix != $prefix then use the
+ difference between the two as the basis for gcc_tooldir.
+
+ * configure: Rebuild.
+
+ * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
+
+Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * unroll.c (copy_loop_body): Don't make extra copies of
+ NOTE_INSN_LOOP_CONT notes.
+
+Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * tree.c (save_tree_status): Don't treat functions with no context
+ as nested.
+
+Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
+
+ * Makefile.in (MAKEINFO): Use makeinfo built from sibling
+ tree when available.
+
+Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
+ alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
+ current_function_file): Add the `const' keyword.
+ (normal_memory_operand): Mark parameter `mode' with
+ ATTRIBUTE_UNUSED.
+ (alpha_expand_unaligned_load): Add a default case to a switch.
+
+ * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
+ alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
+ (normal_memory_operand): Add prototype.
+
+ * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
+ comparing against one.
+
+Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.c (abort_with_insn): Make function static, add a prototype,
+ constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
+ (current_function_file, mips_cpu_string, mips_isa_string,
+ mips_abi_string, mips_no_mips16_string, mips_entry_string,
+ mips_move_1word, mips_move_2words, output_block_move, load_store,
+ override_options, make_temp_file, mips16_fp_args): Qualify a char*
+ with the `const' keyword.
+
+ * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
+ mips_abi_string, mips_entry_string, mips_no_mips16_string,
+ mips_move_1word, mips_move_2words, output_block_move): Likewise.
+ (abort_with_insn): Remove extern prototype.
+
+ * mips.md: Qualify a char* with the `const' keyword.
+ Remove many unused variables named `label'.
+
+Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
+
+ * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
+ variables.
+ (install-cpp, uninstall-cpp): New targets.
+ (install-normal): Depend on $(INSTALL_CPP).
+ (uninstall): Depend on $(UNINSTALL_CPP).
+ * configure.in (cpp_install_dir): New, substitute.
+ (tmake_file): Added t-install-cpp for --enable-cpp.
+ * configure: Rebuilt.
+ * cpp.sh: New cpp script.
+ * config/t-install-cpp: New target fragment.
+
+Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+ Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
+ case.
+ (cse_insn): Avoid creating a bogus REG_EQUAL note for
+ (const (minus (label) (label)))
+ (record_jump_cond): Fix mismatched paren in comment.
+
+Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
+
+ * final.c (end_final): There are 11 words in the "main header"
+ structure, not 10.
+
+Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * extend.texi: Reference __extension__ in the index.
+
+Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (CROSS_FLOAT_H): Delete.
+ (FLOAT_H): Use float_h_file.
+ (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
+ (gfloat.h): Delete.
+ (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
+ (mostlyclean): Delete gloat.h reference.
+ (install-cross-rest, install-float-h-cross, stmp-headers): Update
+ comments.
+ * configure.in (sparcv9-*-solaris2*): Set float_format to none.
+ (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
+ (float_h_file): Set from float_format. Substitute into Makefile.in.
+ (float_format): No longer substitute into Makefile.in.
+ * cross-make (FLOAT_H): Delete.
+ * config/mips/t-cross64 (FLOAT_H): Delete.
+ * configure: Rebuilt.
+
+Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
+ insn to be an INSN before looking at its pattern.
+
+Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
+
+ * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
+ * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
+ HImode reg when TARGET_5200.
+
+Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ From Toshiyasu Morita:
+ * sh.h (CACHE_LOG): SH2 has cache, too.
+
+Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
+
+ * toplev.c (compile_file): Disable -ffunction-sections and
+ debugging warning if the object format is elf.
+
+Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * config/h8300/h8300.c (print_operand): Use 16 bit addressing
+ when the data in 8-bit area and can not be addressed by 8-bit.
+
+Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
+
+ * flow.c (create_basic_block): Disregard integrated bb notes.
+
+Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
+
+Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
+
+ * config/i386/t-sco5gas (crti.o): New target.
+
+Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
+ *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
+ movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
+ load_multiple, allocate_stack, call_indirect_aix32,
+ call_indirect_aix64, call_value_indirect_aix32,
+ call_value_indirect_aix64, call_indirect_nt,
+ call_value_indirect_nt): Use gpc_reg_operand instead of
+ register_operand.
+
+Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
+ *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
+ other than cr0.
+ * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
+ allow andi. or andis. which always set cr0.
+
+Sun Feb 28 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * invoke.texi: Update information for PA scheduling.
+
+Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
+ Mike Stump <mrs@wrs.com>
+
+ * pa.c (override_options): Change default to 7100LC.
+
+ * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
+ float regs before right half of float regs.
+
+Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
+ Jeffrey A Law (law@cygnus.com)
+
+ * frame.h: Update some comments.
+ * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
+ * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
+ using TARGET_WEAK_ATTRIBUTE.
+ (__do_global_dtors_aux): Check if __deregister_frame_info is
+ zero before calling it.
+ (__do_global_dtors): Likewise.
+ (frame_dummy): Check if __register_frame_info is zero before
+ calling it.
+ (__frame_dummy): Likewise.
+
+Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * SERVICE: Update from the FSF.
+
+Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
+
+ * config/i386/t-sco5 (crti.o): New target.
+ * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
+ linking -shared.
+ * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
+
+Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
+
+ * md.texi (prologue,epilogue): Document named patterns.
+
+Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
+
+ * md.texi, invoke.texi: Fix unterminated @xrefs.
+
+Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
+
+ * genattrtab.c (simplify_knowing): Fix uninitialized read
+ in Feb 21 change.
+
+ * genextract.c (main): Clear recog_operands before extracting.
+
+Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
+
+ * c-pragma.c (add_weak); Delete. Moved into...
+ * varasm.c (add_weak): New external function.
+ (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
+ the list of weak functions.
+ * c-pragma (add_weak): Declare.
+
+Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
+
+ Flow rewrite to use basic block structures and edge lists:
+
+ * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
+ (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
+ (struct edge_def): New.
+ (struct basic_block_def): New.
+ (basic_block_info): New.
+ (BLOCK_HEAD, BLOCK_END): Update.
+ (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
+ (uid_block_number): Kill.
+ (basic_block_for_insn, BLOCK_FOR_INSN): New.
+ (BLOCK_NUM): Update.
+ * flow.c (XNMALLOC): Kill.
+ (max_uid_for_flow): Kill.
+ (uid_block_number): Kill.
+ (uid_volatile): Turn into a bitmap.
+ (SET_INSN_VOLATILE): New.
+ (basic_block_info): New.
+ (entry_exit_blocks): New.
+ (x_basic_block_head, x_basic_block_end): Kill.
+ (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
+ (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
+ (basic_block_loop_depth): Kill.
+ (basic_block_for_insn): New.
+ (find_basic_blocks): Split out initial block counting into
+ count_basic_blocks. Call functions split out of find_basic_blocks_1.
+ (count_basic_blocks): New.
+ (find_basic_blocks_1): Split out edge recognition, unreachable
+ block deletion.
+ (create_basic_block): New.
+ (compute_bb_for_insn): New.
+ (clear_edges): New.
+ (free_bb_memory): Kill.
+ (add_edge, add_edge_to_label): Kill.
+ (mark_label_ref): Kill.
+ (make_edges): Rewrite to use edge lists.
+ (make_edge, make_label_edge): New.
+ (mark_critical_edges): New.
+ (split_edge, insert_insn_on_edge): New.
+ (commit_one_edge_insertion, commit_edge_insertions): New.
+ (delete_unreachable_blocks): Rewrite to use edge lists.
+ Split out EH region manipulation into delete_eh_regions.
+ Call tidy_fallthru_edge and merge_blocks.
+ (delete_eh_regions): New.
+ (delete_note_p): New.
+ (delete_insn_chain): New.
+ (delete_block): Split out code into delete_insn_chain and
+ tidy_fallthru_edge. Update edge lists.
+ (expunge_block): New.
+ (flow_delete_insn): New?
+ (can_delete_label_p): New?
+ (merge_blocks_nomove, merge_blocks): New.
+ (tidy_fallthru_edge): New.
+ (calculate_loop_depth): New.
+ (life_analysis): Allocate and free uid_volatile.
+ (free_basic_block_vars): Update for new structures.
+ (record_volatile_insns): Use SET_INSN_VOLATILE.
+ (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
+ (mark_used_regs): Likewise.
+ (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
+ local_set regsets. Use bb->aux to store new_live_at_end. Begin
+ life propagation from EXIT_BLOCK rather than last block. Clear
+ regs_ever_live after mark_regs_live_at_end.
+ (allocate_for_life_analysis): Update for new structures.
+ (propagate_block): Split out loop depth calculation to
+ calculate_loop_depth.
+ (regno_uninitialized): Use bb->global_live_at_start.
+ (regno_clobbered_at_setjmp): Likewise.
+ (dump_bb_data): Likewise.
+ (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
+ (dump_flow_info): Update for new structures.
+ (dump_edge_info): New.
+ (print_rtl_with_bb): Update for new structures.
+ (compute_preds_succs): Do no work -- convert edge lists.
+ (set_block_for_insn): From corpse of old set_block_num.
+ (set_block_num): Call it.
+
+ * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
+ * rtl.h (rtunion_def): Add bb entry.
+ (NOTE_BASIC_BLOCK): New.
+ (NOTE_INSN_BASIC_BLOCK): New.
+
+ * varray.h (varray_data_tag): Add bb entry.
+ (VARRAY_BB_INIT, VARRAY_BB): New.
+
+ * emit-rtl.c (emit_label_before): New.
+
+ * except.c (expand_rethrow): Delete insns following the call to
+ rethrow. Put the REG_EH_RETHROW on the call.
+
+ * jump.c (returnjump_p, returnjump_p_1): New.
+
+ * expr.h (nonlocal_goto_handler_labels): New declaration.
+ * function.c (nonlocal_goto_handler_labels): Define it.
+ (push_function_context_to): Save it.
+ (pop_function_context_from): Restore it.
+ (init_function_start): Clear it.
+ (nonlocal_label_rtx_list): Kill.
+ * function.h (struct function): Add storage space for it.
+ * stmt.c (expand_nl_handler_label): Return the new label.
+ (expand_nl_goto_receivers): Collect a list of them in
+ nonlocal_goto_handler_labels.
+
+ * Makefile.in (print-rtl.o): Depend on basic-block.h.
+ (flow.o): Depend on insn-flags.h.
+
+ * function.c (thread_prologue_and_epilogue_insns): Do not
+ half-heartedly update bb structures.
+
+ * toplev.c: Add flow2 dump as -dw.
+ (rest_of_compilation): Finish .greg before flow2.
+
+ * graph.c (draw_edge): Handle class 3.
+ (print_rtl_graph_with_bb): Make abnormal edges red class 2,
+ change non-fall-thru but adjacent to green class 3. Update
+ to use new structures.
+
+ * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
+
+ * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
+ block_number is -1.
+ (reg_to_stack): Initialize block_num to -1.
+
+ * combine.c (set_nonzero_bits_and_sign_copies): Update reference
+ to basic_block_live_at_start to bb->global_live_at_start.
+ (try_combine): Likewise.
+ (reg_dead_at_p): Likewise.
+ * global.c (global_conflicts): Likewise.
+ Handle stack regs on all abnormal edges, not just computed jumps.
+ (mark_elimination): Update reference to basic_block_live_at_start.
+ (build_insn_chain): Likewise.
+ * haifa-sched.c (haifa_edge): Rename from edge for conflict.
+ (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
+ of nonlocal_label_rtx_list.
+ (check_live_1): Update reference to basic_block_live_at_start.
+ (update_live_1): Likewise.
+ (find_pre_sched_live): Likewise.
+ (find_post_sched_live): Likewise.
+ * local-alloc.c (update_equiv_regs): Likewise.
+ (block_alloc): Likewise.
+ * reload1.c (reload, reload_combine): Likewise.
+ * regmove.c (mark_flags_life_zones): Likewise.
+ * resource.c (mark_target_live_regs): Likewise.
+ * sched.c (schedule_block): Likewise.
+
+ * regclass.c (regset_release_memory): Don't free
+ basic_block_live_at_start.
+
+ * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
+
+Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * fixinc.wrap: Also handle struct queue in sys/stream.h.
+ * fixinc.svr4: Likewise.
+
+ * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
+ rather than asserting it.
+
+Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
+ cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
+ HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
+
+ * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
+ cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
+ scan-decls.o): Don't depend on machmode.h.
+
+ * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
+ Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
+
+ * cppfiles.c: Likewise.
+
+ * cpplib.c: Likewise.
+
+ * cpplib.h: Likewise. Also don't include machmode.h anymore.
+
+Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
+
+ * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
+ * objc/lang-specs.h: Likewise.
+
+Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (call patterns): Lose unused argument to output_call.
+
+ * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
+
+1999-02-25 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpphash.c (install): Rename to cpp_install, add cpp_reader*
+ first argument. All callers changed.
+ (hashtab): Removed.
+ (cpp_lookup, cpp_install): Change all refs to hashtab to
+ pfile->hashtab.
+ (cpp_hash_cleanup): Removed.
+ * cpphash.h: Adjust prototypes.
+ * cpplib.h (struct cpp_reader): Add hashtab pointer.
+ * cppinit.c (cpp_reader_init): Also allocate space for the
+ hashtab.
+ (cpp_cleanup): Delete all macros and free the hashtab.
+
+Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
+ in registers.
+
+ * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
+ * function.c (assign_parms): Honor PRETEND_OUTGOING_VARARGS_NAMED.
+ * calls.c (expand_call): Likewise.
+
+ * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
+ stdarg arguments.
+ * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
+ (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
+ arguments in registers.
+ (PRETEND_OUTGOING_VARARGS_NAMED): Define.
+ * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
+ flavor varargs.
+
+Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cse.c (dump_class): Revert last change and make the prototype
+ extern.
+
+Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtl.h (insn_first_p): Don't declare.
+ * rtlanal.c (insn_first_p): Delete.
+ * loop.c (loop_insn_first_p): Faster implementation.
+
+Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
+ (TARGET_3, TARGET_6): Delete.
+ (ARM_FLAG_ARM[36]): Delete.
+ (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
+ (CC1_SPEC): Don't expand -m[236] into new equivalents.
+ (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
+ * arm.c (arm_override_options): Delete warnings about deprecated
+ options -m[236].
+
+ * arm.c (arm_finalize_pic): Build the label into the special pic
+ adjustment insn instead of issuing it separately.
+ * arm.md (pic_add_dot_plus_eight): Rework to contain the label
+ that is needed.
+
+ * arm.md (*zeroextractqi_compare0_scratch): Delete.
+ (*ne_zeroextractsi): New pattern.
+
+Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * stmt.c (expand_end_loop): Grok code emitted by
+ expand_exit_loop_if_false.
+
+Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.c (return_in_memory): Float fields in unions
+ force a return in memory.
+ (load_multiple_sequence): Add comment explaining why two LDR
+ instructions can be better than an LDMIA instruction.
+
+ * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
+ describing the real meaning of this option.
+ (FIXED_REGISTERS): Default r10 to not-fixed.
+ (CALL_USED_REGISTERS): Default r10 to not-call-used.
+ (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
+ as empty.
+ (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
+ true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
+ performing other checks.
+
+ * config/arm/arm.md (zero_extendhisi2): Undo previous change.
+ (extendhisi2): Undo previous change.
+ Also add comments describing why TARGET_SHORT_BY_BYTES can be
+ ignored for armv4(t) architectures.
+
+ * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
+ Define to fix r10.
+
+ * config/arm/riscix1-1.h
+ (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
+
+Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cse.c (dump_class): Make the function definition static to match
+ the prototype.
+
+Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
+
+ * dbxout.c (gstab.h): Use if CROSS_COMPILE.
+
+ * dwarf2out.c (add_location_or_const_value_attribute): Add big
+ endian correction for parms passed in regs but living on the stack.
+
+Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
+
+ * calls.c (initialize_argument_information): New function extracted
+ from expand_call.
+ (expand_call): Use initialize_argument_information. Remove variables
+ which are no longer used due to cleanups.
+
+ * calls.c (compute_argument_block_size): New function, extracted from
+ expand_calls.
+ (expand_calls): Use compute_argument_block_size. Delete
+ original_args_size, use unadjusted_args_size instead.
+
+ * calls.c (precompute_arguments): New function, extracted from
+ expand_call.
+ (expand_call): Use precompute_arguments.
+
+ * calls.c (finalize_must_preallocate): New function, extracted from
+ expand_call.
+ (expand_call): Use finalize_must_preallocate.
+
+ * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
+
+ * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
+ An alternative always fails if it needs a pseudo and no suitable
+ register class can be found.
+
+Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.h (loop_insn_first_p): Declare.
+ * loop.c (loop_insn_first_p): No longer static.
+ * unroll.c (iteration_info): Fix comparison to
+ reg_iv_type->num_elements.
+ Before accessing reg_biv_class, check index against
+ max_reg_before_loop.
+ Fix and enable code for giv iterators.
+ (loop_iterations): Compare with reg_iv_type->num_elements instead
+ of with max_reg_before_loop.
+
+Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
+
+Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
+ PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
+
+Tue Feb 23 16:24:19 1999 Marc Lehmann <pcg@goof.com>
+
+ * config/i386/i386.md: Fix typo.
+
+Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
+ frame_pointer_needed adjust frame size.
+ (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
+ in .frame pseudo-op.
+ Frm Jim Wilson <wilson@cygnus.com>:
+ * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
+ when TARGET_MIPS16 && frame_pointer_needed.
+
+1999-02-22 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
+ Add -mno-sched command line switch to disable scheduling of
+ instructions into the function's prologue.
+ (enum processor_type): Remove.
+ (TARGET_OPTIONS): Add "fpe=" option to match documentation.
+ (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
+ fields with 'processors' field.
+ (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
+ checking is not enabled.
+ (RETURN_IN_MEMORY): Always call arm_return_in_memory.
+
+ * config/arm/arm.c (arm_cpu): Remove.
+ (tune_flags): Remove.
+ (arm_is_strong): New variable: true iff the target processor is a
+ StrongARM.
+ (arm_is_6_or_7): New variable: true iff the target processor is an
+ ARM6 or and ARM7.
+ (arm_select): Fields reorganized.
+ (struct processors): processor_type field removed.
+ (all_procs): Remove.
+ (all_cores): New array: Definitions of all known ARM cpu cores.
+ (all_architectures): New array: Definitions of all known ARM
+ architectures.
+ (streq): New macro.
+ (FL_SCHED): New processor flag: processor required load
+ scheduling.
+ (FL_STRONG): New processor flag: processor is a StrongARM.
+ (arm_override_options): Reorganized to make code clearer.
+ (use_return_insn): Test for "not (TARGET_APCS and
+ frame_pointer_needed)".
+ (arm_return_in_memory): Improve handling of structures.
+
+ * config/arm/arm.md: Remove "cpu" attribute. Replace with
+ "is_strongarm" and "is_arm_6_or_7" attributes.
+ (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
+ arm_arch4.
+ (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
+
+ * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
+
+1999-02-22 Philip Blundell <philb@gnu.org>
+
+ * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
+ definition with one including cache synchronization.
+ (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
+ Move definition of inhibit_libc to...
+ * config/arm/xm-linux.h: ... here.
+
+ * config/arm/t-linux: Disable multilib configurations since the
+ only effect for most people is to cause builds to fail.
+
+ * config/arm/elf.h (ASM_FILE_START): Add .file directive.
+ (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
+
+ * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
+ (HANDLE_SYSV_PRAGMA): Likewise.
+ (LIB_SPEC): Copy definition from generic Linux files.
+ (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
+ (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
+ (DWARF2_DEBUGGING_INFO): Define.
+ (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
+
+Mon Feb 22 16:54:18 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * loop.c (libcall_other_regs): Make extern.
+ * rtl.h (find_last_value): Add parameter to prototype.
+ (libcall_other_reg): Add extern declaration.
+ * rtlanal.c (find_last_value): Add another parameter to allow
+ a definition using a hardware register to be found as well.
+
+Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * cse.c (dump_class): New function.
+ (invalidate_memory): Fix typo in comment.
+ * function.c (temp_slot): Add an alias set field.
+ (assign_stack_temp): Only reuse slots if they will have the
+ same alias set as before.
+ (combine_temp_slots): Don't combine if -fstrict-aliasing;
+ that's unsafe.
+ * rtl.c (copy_rtx): Copy all the flags (in particular,
+ MEM_SCALAR_P).
+
+Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * configure.in (i[34567]86-*-linux-gnu*,
+ i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
+ i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
+ fixincludes.
+
+ * configure: Rebuilt.
+
+ * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
+ on x86 linux.
+
+ * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
+
+ * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
+ i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
+ i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
+ fixincludes.
+
+Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * objc/objc-act.c (encode_type): Temporary revert to the old
+ behavior of encoding types as the new one seems to break the
+ encoding of bitfields.
+
+Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
+Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
+
+ * Makefile.in (all.internal, all.cross): Depend on `doc'
+ target, to ensure docs get made before installation.
+
+ Decrease spurious warnings from -fsyntax-only:
+ * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
+
+Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * c-lex.c (yylex): Replace warning about integer constants being
+ larger than long-longs, with a warning about integer constants
+ being larger than the largest target integer.
+
+Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
+
+ Fix -fsyntax-only ICEs:
+ * varasm.c (assemble_zeros, assemble_variable,
+ output_constant_def): Do nothing when -fsyntax-only.
+
+Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
+
+ * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
+ * configure: Rebuilt.
+
+Sun Feb 21 20:34:44 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
+
+ * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
+ (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
+ * tm.texi: Update docs for constructors and destructors.
+
+Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * genattrtab.c (check_attr_value): Allow negative const_int if
+ negative_ok. Accept integral arithmetic operators. Accept
+ direct references to other attributes. Accept symbol_ref in
+ non-constant attributes.
+ (max_attr_value): Add new argument `unknownp'. Update all callers.
+ (or_attr_value): Likewise.
+ (simplify_knowing): Don't optimize if max_attr_value unknown.
+ (write_length_unit_log): Likewise with or_attr_value.
+ (find_and_mark_used_attributes): Don't fallthru case.
+ (write_attr_set): Pass thru all non-cond expressions.
+ (write_attr_value): Handle symbol_ref, attr, and arithmetic.
+
+Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
+
+Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * regmove.c (discover_flags_reg): Remove cc0 code.
+ (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
+ a potential flags register was identified.
+
+Sat Feb 20 16:16:07 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.md (scc plus ltu): Fix typo in last change.
+
+Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
+
+Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * regmove.c (discover_flags_reg): New function.
+ (flags_set_1, mark_flags_life_zones): New functions.
+ (regmove_optimize): Call them.
+ (fixup_match_1): Use insn modes rather than sets_cc0_p.
+
+Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtlanal.c (insn_first_p): Fix return value for insn == reference.
+
+ * loop.c (strength_reduce, check_final_value, check_dbra_loop):
+ Use loop_insn_first_p.
+
+Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
+ David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (scc plus eq): Fix output template.
+ (scc plus ltu): Fix output template and collapse variants
+ correcting early clobbers.
+ (scc plus geu): Fix output template.
+ (scc plus gt): Fix output template.
+ (scc plus gtu): Fix output template and collapse variants.
+
+Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppinit.c (print_help): Remove unescaped newline in string.
+
+Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Check for intervening jumps when
+ converting biv increment to giv.
+
+Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
+
+ * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
+ * expr.c (expand_expr): Support new tree nodes.
+
+Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * config/m68k/m68k.c (m68k_align_loops_string,
+ m68k_align_jumps_string, m68k_align_funcs_string): Add const.
+ * config/m68k/m68k.h (m68k_align_loops_string,
+ m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
+
+Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
+
+ * bitmap.h (bitmap_print): Likewise.
+
+ * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
+
+ * c-lang.c (build_objc_string): Likewise.
+
+ * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
+ limits.h or ctype.h. Remove unused variable `p'.
+
+ * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
+
+ * c-pragma.c (handle_pragma_token): Likewise.
+
+ * c-pragma.h (handle_pragma_token): Likewise.
+
+ * c-tree.h (build_objc_string, builtin_function, grokfield,
+ build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
+ pedwarn_init): Likewise.
+
+ * c-typeck.c (convert_for_assignment, warn_for_assignment,
+ push_string, warning_init, incomplete_type_error,
+ build_indirect_ref, lvalue_or_else, readonly_warning,
+ build_c_cast, spelling, push_member_name, print_spelling,
+ error_init, pedwarn_init, start_init): Likewise.
+
+ * objc/objc-act.c (build_objc_string): Likewise.
+
+ * print-tree.c (print_node_brief, print_node): Likewise.
+
+ * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
+
+Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
+
+Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * configure.in :Handle OpenBSD platforms.
+ * configure: Rebuilt.
+ * config/openbsd.h: New file.
+ * config/xm-openbsd.h: New file.
+ * config/t-openbsd: New file.
+ * config/t-openbsd-thread: New file.
+
+Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (assign_stack_temp_for_type): Round SIZE before calling
+ assign_stack_local for BLKmode slots.
+
+Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): For derived givs, replace the
+ giv this was derived from with its new_reg.
+ (recombine_givs): Don't set new_reg for derived giv.
+ And don't print it, print SUM instead.
+
+Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
+
+ * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
+
+1999-02-18 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
+ or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
+ macro_cleanup.
+ (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
+ predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
+ CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
+ cpp_pending, version_string, struct default_include,
+ include_defaults_array, path_include, cpp_options_init,
+ dump_special_to_buffer, initialize_builtins, cpp_start_read,
+ cpp_reader_init, nreverse_pending, push_pending, print_help,
+ cpp_handle_option, cpp_handle_options, cpp_finish,
+ cpp_cleanup): Move to cppinit.c.
+ (macro_cleanup, struct arglist, collect_expansion,
+ create_definition, compare_defs, comp_def_part, ARG_BASE,
+ struct argdata, macarg, change_newlines, timestamp,
+ monthnames, special_symbol, unsafe_chars, macroexpand,
+ push_macro_expansion): Move to cpphash.c.
+ (quote_string, check_macro_name, cpp_expand_to_buffer,
+ output_line_command, cpp_undef): Export.
+ (null_underflow, null_cleanup, handle_directive): Make static.
+
+ * cpplib.h: Prototype now-exported functions. Adjust decls of
+ syntax tables so we can include cpplib.h in cppinit.c.
+ * cpphash.h: Prototype all functions exported by cpphash.c.
+ * cppinit.c: Make syntax tables initialized data if possible
+ (uses GCC designated-initializer extension).
+ * cppexp.c: Make cpp_lex static.
+ * Makefile.in: Move -D switches for the various include dirs
+ from cpplib.o rule to cppinit.o rule. Adjust dependencies.
+
+Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
+
+ * alpha/openbsd.h: New file.
+ * alpha/xm-openbsd.h: New file.
+ * sparc/openbsd.h: New file.
+ * sparc/xm-openbsd.h: New file.
+ * m68k/openbsd.h: New file.
+ * m68k/xm-openbsd.h: New file.
+ * i386/openbsd.h: New file, originally from netbsd.
+ * i386/xm-openbsd.h: New file.
+
+1999-02-17 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * Makefile.in: Correct dependencies for cpplib object files.
+
+Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
+ than cr0.
+
+Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Don't move giv insn for biv turned giv
+ below scan_start.
+
+Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree.c (tree_node_kind_names, print_obstack_name,
+ get_identifier, maybe_get_identifier, build_string,
+ build_expr_wfl, is_attribute_p, lookup_attribute,
+ print_obstack_statistics, get_file_function_name_long, tree_check,
+ tree_class_check, expr_check): Qualify a char* with the `const'
+ keyword.
+
+ * tree.h (get_identifier, maybe_get_identifier, build_string,
+ build_expr_wfl, is_attribute_p, lookup_attribute,
+ print_obstack_statistics, print_obstack_name, tree_check,
+ tree_class_check, expr_check): Likewise.
+
+Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
+ errors.
+
+ * calls.c (store_one_arg): Mark any slots used for the argument
+ as in-use immediately after we're done saving any slots which
+ will be overwritten by this argument.
+
+Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
+
+ * rs6000.md (call_value): Fix typo.
+
+Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Calculate maybe_dead before
+ calling recombine_givs.
+
+Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Dump biv increment -> giv conversions.
+
+Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
+
+ * objc/objc-act.c (encode_type): Encode the type instead of
+ encoding the mode of the type (patch from Richard Frith-Macdonald
+ <richard@brainstorm.co.uk>).
+
+Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
+ instruction killed in previous change. Simplify mask generation.
+ (*zeroextractsi_compare0_scratch): Simplify mask generation.
+
+Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
+ bitfield does not overflow a byte boundary.
+
+Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
+
+ * c-common.c (shorten_compare): Get the min/max value from the
+ underlying type of an enumeration, not the enumerated type itself.
+
+Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c: Include insn-attr.h.
+ (delete_computation): If reload has completed and insn scheduling
+ after reload is enabled, then do not depend on REG_DEAD notes.
+ * Makefile.in (jump.o): Depend on insn-attr.h.
+
+Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.md (addsi3): Allow lea for any constant_p.
+
+1999-02-15 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * toplev.c (documented_lang_options): Remove -fident and
+ -fnoident, which are now handled by the language independent
+ option parser.
+
+1999-02-15 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
+ * c-lex.c: Likewise.
+ * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
+ list in malloced memory for the buffer stack.
+ (cpp_get_token): Don't pop the last buffer off the stack.
+ Calls after CPP_EOF has been returned produce CPP_EOF with no
+ state change.
+ (cpp_finish): Pop last buffer here.
+ (do_line): Don't free ip->last_nominal_fname if it is equal to
+ ip->fname.
+ (special_symbol): If a T_CONST is the empty string, push a
+ single `@ ' escape instead.
+ (macroexpand): Special symbol buffers have escapes too.
+ * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
+ buffer pointer.
+ (struct cpp_reader): Remove buffer_stack. Add
+ buffer_stack_depth.
+ (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
+ linked list.
+
+Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
+ WIDE_INT with WIDEST_INT.
+
+ * cexp.y: Likewise.
+ Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
+ HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
+ style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
+ occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
+ definition of variable `c89' when compiling a test binary and set it.
+
+ * system.h: Don't define the PRINTF_PROTO_* macros.
+
+Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
+ we do not understand, mark the loop and containing loops as invalid.
+
+Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * alias.c (init_alias_analysis): Avoid self-referential value
+ when setting reg_known_value from REG_EQUAL notes.
+
+Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (legitimate_address_p): Verify modes of base and index.
+
+Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386.c (legitimate_pic_address_disp_p): Remove static.
+ * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
+ open-coding cases.
+
+Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
+
+ * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
+ * explow.c (probe_stack_range): Likewise.
+ * expmed.c (do_cmp_and_jump): Likewise.
+ * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
+ (do_tablejump): Likewise.
+ * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
+ (do_jump_if_equal, emit_case_nodes): Likewise.
+ * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
+ then convert comparison to an unsigned code before emitting the jump.
+ (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
+
+Sun Feb 14 02:24:15 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Feb 14 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c: Disable recent loop changes. Temporary as Joern
+ continues to fix problems.
+
+Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (combine_givs_used_by_other): Delete.
+ (combine_givs_benefit_from): Delete.
+ (combine_givs): Deny combination of givs only used once. Simplify
+ code with the death of combine_givs_benefit_from.
+
+Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (scan_loop): Call reg_in_basic_block_p before
+ loop_reg_used_before_p.
+
+Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
+ * arm.h: Likewise.
+ * arm.c: Likewise.
+
+ * arm.h (TARGET_OPTIONS): Reformat for clarity.
+ (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
+ in the constant pool aren't valid.
+ (LEGITIMATE_PIC_OPERAND_P): Likewise.
+
+ * arm.c: Include "system.h", not stdio.h and string.h.
+
+Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
+
+ * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
+ (optimize_tail_recursion): Change return type from void to int.
+ Add return statements.
+ * tree.h (optimize_tail_recursion): Change prototype to match.
+
+Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload.c (find_reloads_subreg_address): New function, broken out of
+ find_reloads_toplev.
+ (find_reloads_toplev, find_reloads_address_1): Use it.
+
+Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
+ extending a CONST_INT.
+
+ * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
+
+Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
+ New functions.
+ (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
+
+Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (load_mems): Don't guess how to do a load / store, use
+ emit_move_insn.
+
+Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Provide a definition for HOST_WIDEST_INT, etc.
+
+Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
+
+Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
+
+ * reload.c (find_reloads_address_1): Fix handling of an autoincremented
+ pseudo which is homed in the stack.
+
+ * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
+ (compute_frame_size): Change loop over FP regs to be consistent
+ with the loop in save_restore_insns.
+
+Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
+
+ * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
+ (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
+
+Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.md (bset); Re-enable.
+
+Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (is_sfunc): New attribute.
+ * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
+
+Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
+
+ * fold-const.c (range_binop): Take account of the bounded nature
+ of fixed length arithmetic when comparing unbounded ranges.
+
+Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
+
+ * function.c (assign_stack_temp_for_type): Clear best_p
+ when an exact match is found.
+
+ * i386.h (LOCAL_ALIGNMENT): Define.
+ * function.c (assign_stack_local, assign_outer_stack_local): Use it.
+ (assign_stack_temp_for_type): New function based on assign_stack_temp.
+ (assign_stack_temp): Call it.
+ (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
+ * stmt.c: Use assign_temp, not assign_stack_temp.
+ * tm.texi: Document LOCAL_ALIGNMENT.
+
+Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
+
+ * reorg.c: Finish deleting half-deleted comment.
+
+Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
+
+ * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
+ result.
+ * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
+ result.
+ * real.c (endian): Delete sign extension code.
+ * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
+ replaced with operand_subword call.
+
+Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (cmov compound patterns): Delete. Jump can now
+ create the correct constructs in the first place.
+
+Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
+
+ * configure.in (alphaev6*): Fix typo in target_cpu_default2.
+
+Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
+
+ * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
+
+Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
+
+ * tmp-emsgids.c: Delete.
+
+Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
+ coding standards.
+
+Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
+
+ * reload1.c (reload_combine_note_store): Second argument is no
+ longer unused/ignored. Handle multi-register hard regs.
+ (move2add_note_store): Simplify.
+
+Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * collect2.c (collect_execute): Remove cygwin-specific code.
+
+Tue Feb 9 17:27:29 1999 Nathan Sidwell <nathan@acm.org>
+
+ * system.h (_, N_): Remove dummy i18n macros.
+ * protoize.c: Move inclusion of intl.h to after system.h.
+ * cexp.y: Include intl.h.
+ * cexp.c: Rebuilt.
+
+Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
+
+ * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
+ fpic/fPIC for windows32 targets.
+ * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
+ paths with '/'.
+ * i386/mingw32.h (CPP_SPEC): Define.
+ (CPP_PREDEFINES): Add MINGW32 version id.
+ * i386/crtdll.h (CPP_PREDEFINES): Likewise.
+
+ * Makefile.in (collect2$(exeext)): Delete redundant dependency and
+ add missing exeext to target.
+
+ * gcc.c (convert_filename): Handle null filename argument.
+
+Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
+ m constraint instead of QT.
+
+1999-02-09 Brendan Kehoe <brendan@cygnus.com>
+
+ * cpplib.c (special_symbol): Move IP to be declared in function
+ scope, rather than individual case statements.
+
+1999-02-09 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppfiles.c (finclude): Handle pipes properly under old BSD
+ derivatives.
+
+1999-02-09 Melissa O'Neill <oneill@cs.sfu.ca>
+
+ * system.h: Provide fallback definitions for S_ISCHR,
+ S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
+
+1999-02-09 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpplib.c (do_define): Allow redefining __STDC__ with -D.
+
+1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
+
+ * configure.in: For PowerPC configurations, accept "401", "ec603e",
+ "740", and "750" as valid arguments to --with-cpu.
+ * configure: Rebuilt.
+
+Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
+
+ * configure.in (i[34567]86-*gnu*): Set float_format to i386.
+ * configure: Rebuilt.
+
+Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
+
+ * rs6000.md: Revert "alternate use of crs if cr0 not available"
+ patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
+
+Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
+
+ * output.h (current_function_has_computed_jump): Rename from
+ current_function_addresses_labels.
+ * function.h (struct function): Likewise for addresses_labels member.
+ * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
+ * function.c (current_function_has_computed_jump): Likewise.
+ Update all references.
+ * integrate.c (function_cannot_inline_p):
+ Test current_function_has_computed_jump instead of addresses_labels.
+ (initialize_for_inline): Likewise save.
+ (output_inline_function): Likewise restore.
+
+ * expr.c (expand_expr): Don't reference addresses_labels variables.
+ * stmt.c (expand_computed_goto): Set has_computed_jump.
+
+1999-02-08 Michael Meissner <meissner@cygnus.com>
+
+ This is being installed only to get it into the repository to help
+ with the revert, resubmit & review process for the massive rs6000.md
+ changes.
+ * rs6000.md (andsi3_internal1 splitter): Don't split if using the
+ rlwinm instruction.
+ (anddi3_internal1): Likewise.
+ (andsi3_internal{2,3}): Correct some insn lengths.
+ (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
+ mnemonics.
+
+Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (reg_single_usage): New file-scope variable ...
+ (scan_loop): ... moved out of here. Always initialize.
+ Test loop_has_call instead of reg_single_usage not zero.
+ Free reg_single_usage after strength reduction.
+ (count_loop_regs_set): Assume single_usage nonzero.
+ (combine_givs_used_by_other): Test reg_single_usage.
+ (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
+ as a parameter. Assume nonzero.
+
+1999-02-08 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
+
+ * cpplib.c (special_symbol): Rewrite. Don't copy things
+ multiple times. Handle __STDC__ specially. T_CONST
+ indicates a constant /string/. Don't handle T_*_TYPE and
+ T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
+ adjust_position. Determine the file buffer only if needed.
+ (initialize_builtins): Handle __SIZE_TYPE__,
+ __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
+ __REGISTER_PREFIX__ with T_CONST special hashtab entries.
+ Don't provide __OBJC__; the driver does that. Provide
+ __STDC_VERSION__, using T_CONST. Use T_STDC for
+ __STDC__. Give install the length of all symbols defined.
+ (eval_if_expression): Drop code to insert and remove the
+ "defined" special symbol.
+
+ * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
+ T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
+
+ * cpphash.c (install): Drop the `ivalue' parameter. Constify
+ the `value' parameter. All callers changed.
+ * cpphash.h (install): Change prototype to match.
+ (union hashval): Remove `ival' member.
+ * cppexp.c (cpp_lex): Handle `defined' here.
+
+Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (EXTRA_CONSTRAINT): Fix comment.
+
+Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * c-typeck.c (check_init_type_bitfields): Use nonincremental
+ initialization of unions whose first member is a bitfield.
+ Remove unnecessary code for checking the declaration mode
+ after DECL_C_BIT_FIELD.
+
+ * varasm.c (output_constructor): Additional comment about the
+ constructor of bitfield union initialization.
+
+Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (*movhi_stik): New pattern.
+ (movhi): Allow some immediate constants to be directly
+ stored in memory.
+
+Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
+ (call, call_value): Force address into a register if not valid
+ for a call instruction.
+ (load_immed_address): Emit a USE of the SYMBOL_REF that is
+ forced into memory.
+ * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
+
+Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
+ Rename from call_operand and symbolic_operand respectively. All
+ callers changed.
+ * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
+ Likewise.
+ * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
+ Likewise.
+ (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
+
+Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
+ LO_SUM address for HImode or HFmode but instead force address into
+ a register so that it is offsettable.
+ (c4x_emit_move_sequence): Handle LO_SUM immediate address.
+
+Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
+ REG+REG addressing if strength reduction enabled.
+
+Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
+ (TARGET_LIBGCC2_CFLAGS): Define.
+
+1999-02-08 Nick Clifton <nickc@cygnus.com>
+
+ * config/v850/v850.md: Replace \\n\\t with \\;
+
+ * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
+ * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
+ Enforce TARGET_LONG_CALLS option.
+
+Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
+
+ * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
+
+Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
+
+ * m88k/t-luna-gas: Remove bash dependency.
+
+Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
+
+ * collect2.c (xrealloc): Fix typo in last change.
+
+Mon Feb 8 09:13:38 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
+
+ * tree.h (TYPE_CHECK): Make it clear to the preprocessor
+ that we do not want macro replacement within a character constant.
+ (TYPE_CHECK1): Likewise.
+
+Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * tree.h (DECL_P): New macro.
+
+Sun Feb 7 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (reload_insi): Do not earlyclobber the output operand.
+
+ * README.g77, gcc.c, gcc.texi: Update email addresses.
+ * invoke.texi system.h: Likewise.
+
+Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (find_splittable_givs): After express_from, call replace_rtx
+ to convert dest_reg to new_reg.
+
+Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload_combine_note_store): Be more careful with
+ STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
+ (move2add_note_store): Likewise.
+
+Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
+ U_CHAR* when assigning to one. Ensure the values of a ?: operator
+ have the same type.
+
+ * cppinit.c (initialize_char_syntax): Use K&R function definition.
+
+Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
+
+ Support for ARM9
+ * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
+ * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
+ (TARGET_CPU_DEFAULT): Rework to support ARM9.
+ (CPP_CPU_ARCH_SPEC): Likewise.
+ (enum processor_type): Likewise.
+ * config/arm/arm.md (attr cpu): Add arm9.
+
+ General scheduling changes
+ * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
+ (max_insns_skipped): New variable.
+ (arm_override_options): If generating hard floating point code for
+ the FPA, emit code for version 3.
+ When optimizing for space, don't synthesize constants.
+ Reword several flags based on the requested processor and optimization
+ level.
+ (use_return_insn): New argument iscond, all callers changed. Don't
+ use a return insn if it will be conditional and that would be
+ expensive; eg on StrongARM.
+ (arm_adjust_cost): Anti- and output- dependencies normally have no
+ cost.
+ (load_multiple_sequence): Newer ARMs don't benefit from ldm if
+ the sequence is short.
+ (final_prescan_insn): Use max_insns_skipped instead of
+ MAX_INSNS_SKIPPED. Note whether we will make a return instruction
+ conditional, and aviod this if it would be expensive.
+ * config/arm/arm.md (scheduling attributes and function units):
+ Rewrite to better describe ARM8, 9 and StrongARM.
+
+ * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
+ s_register_operand.
+ (*ifcompare_plus_move): Use arm_rhs_operand in place of
+ arm_rhsm_operand. Rework constraints.
+ (*if_plus_move): Likewise.
+ (*ifcompare_move_plus): Likewise.
+ (*if_move_plus): Likewise.
+ (*ifcompre_arith_move): Likewise.
+ (*if_arith_move): Likewise.
+ (*ifcompare_move_arith): Likewise.
+ (*if_move_arith): Likewise.
+
+ * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
+
+1999-02-05 Michael Meissner <meissner@cygnus.com>
+
+ * loop.c (check_dbra_loop): A store using an address giv for which
+ we have no life information is not reversible.
+
+Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
+
+ * function.c (fixup_var_refs): Scan catch_clauses too.
+
+Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
+
+ * c-common.c (decl_attributes): Fix reserved space for init_priority.
+ * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
+
+Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (strength_reduce): Clear not_every_iteration when
+ passing the NOTE_INSN_LOOP_CONT note.
+
+ * haifa-sched.c (add_dependence): Do not add a dependency on a
+ note.
+
+Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
+
+ * recog.c (split_block_insns): Only call update_flow_info if
+ instruction scheduling is enabled.
+
+1999-02-05 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * Makefile.in (gen-protos): Use libcpp.a like everyone else.
+
+Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (first_loop_store_insn): New file-scope variable.
+ (prescan_loop): Set it.
+ (check_dbra_loop): Check if a store depends on a register
+ that is set after the store.
+
+Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * unroll.c (entire file): Remove tabs / spaces at end of lines.
+ Replace spaces with tabs where appropriate.
+
+Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (scan_loop): New argument loop_cont. Changed caller.
+ (strength_reduce): New argument loop_cont. Changed caller.
+ Before clearing not_every_iteration after a label, check if
+ we are not already past LOOP_CONT.
+
+1999-02-04 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cpperror.c (cpp_print_containing_files): Fix formatting
+ bug induced by merge.
+
+1999-02-04 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cpplib.c (initialize_char_syntax): Move to cppinit.c.
+ (cpp_define): Remove redundant syntax checks.
+ (make_assertion): Rename cpp_assert, remove redundant syntax
+ checks, export.
+ (cpp_options_init): Don't init things to zero twice.
+ (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
+ (do_include): Kill excessively verbose #import warning that
+ snuck back in in the gcc2 merge.
+ (convert_string): Removed.
+ (do_line): Rewrite with simple last-name-used cache instead of
+ private hashtable.
+ (cpp_start_read): Call initialize_char_syntax here, not...
+ (cpp_reader_init): ...here.
+ (cpp_handle_options): Support the -std switch.
+ * cpplib.h (cpp_buffer): Add last_nominal_fname member.
+ (cpp_options): Add c9x flag.
+ Declare all the is_* tables and trigraph table here, as const.
+ Prototype cpp_assert and initialize_char_syntax.
+ * cppinit.c: New file.
+ * cppfiles.c (read_and_prescan): Optimize.
+ * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
+
+Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
+ [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
+ before calling gen_div_trap.
+
+Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
+ than numeric value for target_cpu_default..
+ * configure: Rebuilt.
+
+Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
+
+ * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
+ mkstemp. Get them from libiberty.
+ (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
+ (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
+ (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
+ (mkstemp.o, getopt1.o, getopt.o): Likewise.
+
+ * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
+ values.
+ * pa-hpux.h (LINK_SPEC): Likewise.
+ * pa-hpux10.h (LINK_SPEC): Likewise.
+ * pa-hpux9.h (LINK_SPEC): Likewise.
+ * pa-osf.h (LINK_SPEC): Likewise.
+ * pa-pro.h (TARGET_DEFAULT): Likewise.
+ * pa1.h (TARGET_DEFAULT): Likewise.
+ * pa.h (MASK_*): New defines.
+ (TARGET_*): Use symbolic values rather than numeric values.
+ (TARGET_SWITCHES): Likewise.
+ (TARGET_DEFAULT): Likewise.
+ (CPP_SPEC): Likewise.
+
+Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
+ * reload.c (find_reusable_reload): New function, broken out of
+ push_reload. Add code to verify that none of the involved
+ outputs are subject to earlyclobbers.
+ (push_reload): Break out new function find_reusable_reload.
+ Delete "register" keyword for IN, OUT args.
+
+Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.c (true_reg_or_0_operand) : New function.
+ * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
+ * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
+ Use true_reg_or_0_operand for div_trap.
+
+Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.h (express_from): Declare.
+ (struct induction): Replace derived flag with derived_from pointer.
+ * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
+ (express_from): No longer static.
+ * unroll.c (find_splittable_givs): Replace derived with derived_from.
+ When processing an address giv with which another giv has been
+ combined that has also been derived from a third giv, handle like
+ having combined with the third giv.
+ Set splittable_regs_updates appropriately for derived givs.
+
+Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
+
+Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (insn_sets_and_refs_are_delayed): New function.
+ * pa.h (INSN_SETS_ARE_DELAYED): Use it.
+ (INSN_REFERENCES_ARE_DELAYED): Likewise.
+
+Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
+
+ * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
+ * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
+ (TARGET_LIBGCC2_CFLAGS): Define.
+ (LIBGCC2_DEBUG_CFLAGS): Define.
+ * config/arm/t-netbsd: Likewise.
+ * config/arm/t-semi: Likewise.
+ * config/arm/t-semiaof: Likewise.
+ * config/arm/t-riscix: Likewise.
+
+Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * config/m68k/m68k.c (print_operand_address): When printing a
+ SYMBOL_REF that ends in `.<letter>' put parentheses around it.
+
+Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
+
+ * i386/freebsd*.h now allows '$' in label names and does not use the
+ PCC struct return method.
+
+Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
+ of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
+ (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
+ names if host == target.
+ (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
+ (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
+ (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
+ setting them to *_FOR_TARGET.
+ * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
+ Delete.
+
+Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * toplev.h (read_integral_parameter): Declare.
+ * toplev.c (read_integral_parameter): New function.
+
+Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
+
+ * resource.c, resource.h: New files.
+ * Makefile.in (OBJS): Add it.
+
+ * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
+ (split_block_insns): Moved to recog.c.
+ (update_flow_info): Make public.
+ * rtl.h: Declare them.
+
+ * reorg.c: Moved the functions dealing with computing resource
+ usage to resource.c.
+
+ * sched.c (regno_use_in): Moved to rtlanal.c.
+ (update_flow_info): Make public.
+ (schedule_insns): Use split_block_insns.
+
+ * recog.c (split_block_insns): New function.
+
+Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
+ (LINK_OS_DEFAULT_SPEC): Delete, unused.
+
+Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
+
+ * configure.in (arm-*-oabi): Support.
+ * configure: Regenerate.
+ * config/arm/unknown-elf-oabi.h: New file.
+
+Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
+ Make the anonymous pattern match when ! optimize_size.
+ (ashlsi3 size optimizer): New pattern.
+
+ * intl/Makefile.in (uninstall): Add missing "; \".
+
+Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
+
+ * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
+ synonym.
+
+Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
+ to after find_and_verify_loops call.
+
+Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * (recombine_givs): Don't use a giv that's likely to be dead to
+ derive others.
+
+ * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
+ wrap around when deriving givs.
+
+Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (check_asm_operands): Treat indeterminate operand ok
+ results as success. Try harder to resolve a matching constraint.
+ * stmt.c (expand_asm_operands): Recognize when an output operand's
+ constraint does not allow memory. Treat indeterminate operand ok
+ results as failure. Try harder to resolve a matching constraint.
+
+Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
+
+ Use varrays for constant-equivalence data:
+
+ * varray.h (struct const_equiv_data): New type.
+ (union varray_data_tag): New element const_equiv.
+ (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
+ (VARRAY_SIZE): New macro, returns number of elements.
+ * integrate.h: Include varray.h.
+ (struct inline_remap): Replace const_equiv_map, const_age_map and
+ const_equiv_map_size with a const_equiv_varray element.
+ (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
+ needed.
+ (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
+ simultaneously, growing the varray if needed.
+
+ * integrate.c (global_const_equiv_map,
+ global_const_equiv_map_size): Deleted, replaced by....
+ (global_const_equiv_varray): New variable.
+ (expand_inline_function): References changed.
+ * integrate.h: Update declarations.
+
+ * integrate.c (process_reg_parm, expand_inline_function,
+ copy_rtx_and_substitute, try_constants, subst_constants,
+ mark_stores): Use varray allocation and accessor macros, new
+ integrate.h macros, and global_const_equiv_varray. Don't
+ conditionalize non-NULL stores on array size; instead, expand the
+ array as needed.
+ * unroll.c (unroll_loop): Likewise.
+
+ * unroll.c (unroll_loop): Initialize const_equiv_varray element to
+ zero. After allocating varray, always exit through bottom of
+ function, where it can be deallocated if needed. Don't explicitly
+ reallocate const_equiv_map storage; instead, just ensure the
+ varray has been initialized, and update the global reference.
+
+Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (inline, const): Handle these for stage2 (and later) gcc.
+
+ * dwarf2out.c (inline): Don't define.
+
+ * dwarfout.c (inline): Likewise.
+
+Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.c (recombine_givs): Dump recombination and derivation data.
+
+Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * flags.h: Declare flag_no_ident.
+ * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
+ * c-tree.h: Don't declare flag_no_ident.
+ * c-decl.c: Don't define flag_no_ident. Don't process
+ -f(no-)ident switches here.
+
+ * config/elfos.h (ASM_FILE_END): Output final .ident directive
+ only if !flag_no_ident.
+ * config/ptx4.h: Likewise.
+ * config/svr4.h: Likewise.
+ * config/alpha/elf.h: Likewise.
+ * config/arm/linux-elf.h: Likewise.
+ * config/i386/sco5.h: Likewise.
+ * config/i860/fx2800.h: Likewise.
+ * config/mips/gnu.h: Likewise.
+ * config/i386/osfrose.h: Likewise.
+
+ * gcc.c (C specs): Map -Qn to -fno-ident.
+ * objc/lang-specs.h: Likewise.
+
+Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * configure.in: Don't remove loop.o and unroll.o when
+ enable-haifa is selected.
+ * configure: Rebuilt.
+
+Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
+
+ * i386.md (movsicc, movhicc, movsfcc, movdfcc,
+ movxfcc, movdicc): Delete unconstrained alternatives.
+ * i386.c (output_fp_conditional_move,
+ output_int_conditional_move): Delete unused case.
+
+Sun Jan 31 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
+ instead of bis and cpys. Combine alternatives where possible.
+
+Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcov.c (fnotice): Add missing FILE* parameter.
+ (function_summary): Fix format specifiers in calls to `fnotice'.
+ (output_data): Likewise.
+
+ * toplev.c (fnotice): Constify char* parameter.
+
+ * toplev.h (fnotice): Add prototype.
+ Wrap prototype with BUFSIZ to protect FILE* usage.
+
+Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
+
+Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (distribute_notes): Handle REG_EH_REGION notes.
+
+ * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
+ function definition.
+ (aliases_everything_p, write_dependence_p):Likewise.
+
+ * install.texi: Fix merge lossages.
+
+ * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
+ is defined.
+ * collect2.c (main): Likewise.
+ * cppmain.c (main): Likewise.
+ * gcc.c (main): Likewise.
+ * gcov.c (main): Likewise.
+ * protoize.c (main): Likewise.
+ * toplev.c (main): Likewise.
+
+ * pa.md (parallel shift and shiftadd): Mark output of shift as an
+ earlyclobber.
+
+ * loop.c: Disable recent loop changes. Temporary as Joern
+ continues to fix problems.
+
+Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
+
+Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
+
+ * emit-rtl.c (remove_insn): New function.
+ * rtl.h (remove_insn): Add prototype.
+ * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
+
+Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (recombine_givs): Don't try to derive givs that have combined.
+
+Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
+ when declaring arguments and calling va_arg() to initialize them.
+
+ * collect2.c (notice): Likewise.
+
+ * loop.c (find_life_end): Use PROTO() macro in the prototype.
+
+Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (error): Fix typo in declaration.
+
+ * cpperror.c (cpp_message): Likewise.
+
+ * cpplib.c (cpp_warning): Likewise.
+
+ * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
+ ATTRIBUTE_PRINTF_1.
+
+ * toplev.c (error): Fix typo in declaration.
+
+Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
+ forward from cont dominator.
+
+Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c (eprint_string): Constify a char*.
+ (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
+ (vnotice): Constify a char*.
+ (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
+ (verror): Constify a char*.
+ (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
+ (vwarning): Constify a char*.
+ (error_with_line): Likewise. Use PVPROTO not VPROTO, add
+ ATTRIBUTE_PRINTF_2.
+ (verror_with_line): Constify a char*.
+ (vwarning_with_line): Likewise.
+ (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
+ ATTRIBUTE_PRINTF_2.
+ (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
+ ATTRIBUTE_PRINTF_1.
+ (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
+ (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
+ Also correct typo in parameter name declaration.
+ (make_assertion): Constify a char*.
+ (quote_string_for_make): Likewise.
+ (deps_output): Likewise.
+ (fatal): Likewise. Use PVPROTO not VPROTO, add
+ ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
+ "__attribute__ ((noreturn))".
+ (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
+ (pfatal_with_name): Likewise.
+ (pipe_closed): Likewise.
+ (memory_full): Likewise.
+
+Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
+ may_not_optimize to proper size when converting biv increments
+ into givs.
+ If necessary, reallocate reg_iv_type / reg_iv_info before calling
+ recombine_givs.
+
+Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (recombine_givs): New parameter unroll_p. If set, don't
+ generate complex adds. Changed caller.
+ Don't generate adds that cost more than the original one.
+ (strength_reduce): Warning fixes.
+
+Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
+ * configure: Rebuilt.
+
+Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * rtl.h (insn_first_p, no_jumps_between_p): Declare.
+ * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
+ * loop.h (varray.h): Include.
+ (struct induction): Change combined_with to unsigned.
+ New members derived, ix and last_use.
+ (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
+ (REG_IV_TYPE, REG_IV_INFO): Define.
+ (first_increment_giv, last_increment_giv): Declare.
+ * loop.c (loop_number_loop_cont): New static variable.
+ (loop_number_cont_dominator): Likewise.
+ (reg_iv_type, reg_iv_info): Now varray_type.
+ (first_increment_giv, last_increment_giv): New variables.
+ (compute_luids, verify_dominator, find_life_end): New functions.
+ (cmp_recombine_givs_stats, recombine_givs): Likewise.
+ (loop_optimize): Allocate loop_number_loop_cont and
+ loop_number_cont_dominator. Use compute_luids.
+ (find_and_verify_loops): Initialize loop_number_loop_cont and
+ loop_number_cont_dominator.
+ (strength_reduce): Try to find bivs that can be expressed as givs
+ of another biv, and to convert biv increments into givs.
+ Call recombine_givs. Handle derived givs.
+ (record_biv): New argument location. All callers changed.
+ (record_giv): Initialize derived and last_use fields.
+ (basic_induction_var): New argument location. All callers changed.
+ (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
+ Increment combined_with instead of setting to 1.
+ * unroll.c (derived_regs): New static variable.
+ (unroll_loop): Initialize it.
+ Allocate local_regno according to max_reg_num.
+ (copy_loop_body): Cope with derived givs.
+ (find_splittable_givs): Check for Givs made from biv increments.
+ Set derived_regs for givs.
+ * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
+
+Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * function.c (purge_addressof_1): Handle case when a register
+ has been used in a wider mode.
+
+1999-01-27 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/fixincl.c, fixinc/server.[ch]:
+ Removed the last of the capitalized variable and proc names.
+
+ * fixinc/server.c: Removed the process open code.
+ * fixinc/procopen.c: New file containing the proc open code.
+ * fixinc/inclhack.tpl: Added code to bypass a readability test
+ when a file is not present. A problem on some systems.
+ * fixinc/inclhack.sh, fixinc/fixincl.sh: Regenerated.
+
+Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
+
+ * cpplib.h (cpp_notice): Add prototype.
+
+Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Merge gcc2 snapshot 19980929.
+
+ * cccp.c (PRINTF_PROTO): Remove.
+ (PRINTF_PROTO_{1,2,3,4}: Likewise.
+ * cexp.y: Likewise.
+ * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
+
+ * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
+ (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
+ (cpp_fatal, cpp-Pfatal_with_name): Likewise.
+
+ * gen-protos.c (hashf): Delete in cpphash.o.
+ * gen-protos.c (hashf): Delete in cpphash.o.
+
+ * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
+ * expmed.c: Likewise.
+ * rs6000.md: Likewise.
+
+ * rs6000.c, rs6000.md: Do not merge formatting changes yet.
+
+Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
+ * rs6000.md (movsi, movdi): Likewise.
+
+Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
+
+ * function.c (expand_function_end): Pass arg_pointer_save_area to
+ validize_mem before using it. Emit code into a sequence.
+
+Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (doz + set cr and or + set cr patterns): Add missing
+ '#' to split patterns. Correct indentation of some new patterns.
+
+1999-01-26 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
+
+ * cppfiles.c (safe_read): Deleted.
+ (read_and_prescan): New function, replaces safe_read, converts
+ and/or warns about trigraphs, silently converts odd line
+ terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
+ (finclude): Use read_and_prescan; turn off nonblocking mode on
+ the input descriptor; remove file-size-examination and
+ no-newline-at-EOF gunk which is longer necessary; be more
+ careful about checking that we've been handed a legitimate
+ file to read (only real files, pipes, and ttys are acceptable).
+ * cpplib.h (cpp_options): Rename no_trigraphs flag to
+ `trigraphs' and invert its sense.
+ (trigraph_table): Declare.
+ (cpp_warning_with_line): Prototype.
+ * cpplib.c: Remove all references to trigraph_pcp. Define
+ trigraph_table; initialize it in initialize_char_syntax. Open
+ files in nonblocking mode. s/no_trigraphs/trigraphs/
+ throughout, and invert sense. Put cpp_warning_with_line back
+ in and export it.
+
+Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (COUNTER_REGS): New register class.
+ * config/c4x/c4x.md (*rptb_init): Change constraints.
+ (rptb_end): Emit alternate looping instructions if
+ RC register not allocated for loop counter.
+ (decrement_and_branch_on_count): Allow other registers
+ for loop counter.
+
+1999-01-25 Zack Weinberg <zack@rabi.columbia.edu>
+
+ * cppexp.c (struct arglist): Removed.
+ (parse_number): Use HOST_WIDE_INT for the accumulator.
+ Allow two `l' suffixes unless C89. Clean up. Make static.
+ (parse_charconst): New function broken out of cpp_lex.
+ Code cleaned up drastically. Don't use a token_buffer.
+ (token_buffer): Removed.
+ (cpp_lex): Don't call parse_number on a constant string.
+ Use parse_charconst.
+ (cpp_parse_expr): Properly handle an ERROR op returned by
+ cpp_lex.
+
+1999-01-25 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cpplib.c: Don't include signal.h, sys/times.h, or
+ sys/resource.h. Don't declare localtime.
+ (macroexpand): Handle special symbols here.
+ (push_macro_expansion): Chop off the trailing '@ ' if possible
+ here.
+ (cpp_get_token): Don't do either of the above two things here.
+ Move `string' label just after case '"' so that wide strings
+ don't crash the preprocessor.
+
+Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (left shift + set cr patterns): Add missing '#' to
+ split patterns.
+ (move register + set cr pattern): Likewise.
+ (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
+ inadvertently deleted.
+
+Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
+
+ * stmt.c (stmt_loop_nest_empty): New function.
+ * tree.h (stmt_loop_nest_empty): Declare it.
+ * rtl.def (CALL_PLACEHOLDER): New rtx code.
+
+Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
+ New functions.
+ (c4x_check_legit_addr): Remove USE and PLUS, allow
+ LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
+ (c4x_legitimize_address): Penalize SYMBOL_REF, LABEL_REF, and
+ CONST cases. Add LO_SUM.
+ (c4x_print_operand): Modified 'C' and 'R' cases for calls.
+ Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
+ (c4x_print_operand_address): Handle LO_SUM.
+ (c4x_scan_for_ldp): Delete. Hooray!
+ (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
+ Split all insns.
+ (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
+ changed.
+ (c4x_immed_float_constant): Renamed from c4x_float_constant. All
+ callers changed.
+ (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
+ and CONST.
+ (c4x_U_constraint, symbolic_operand): New functions.
+ (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
+ disable SYMBOL_REF, LABEL_REF, and CONST.
+ (lsrc_operand, tsrc_operand): Call src_operand instead of
+ general_operand.
+ (c4x_operand_subword): Update comments.
+
+ * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
+ (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
+ plus HIGH and LO_SUM for the C40.
+ (ENCODE_SECTION_INFO): Define macro.
+ (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
+ prototypes.
+ (PREDICATE_CODES): Add symbolic_operand.
+
+ * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
+ c4x_emit_move_sequence.
+ (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
+ to avoid symbol references.
+ (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
+ (set_high): Renamed from set_high_use.
+ (set_lo_sum): Renamed from set_ior_lo_use.
+ (all call patterns): Make MEM explicit in call address operands.
+ Modified output templates to use 'U' modifier.
+
+Sun Jan 24 01:15:05 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * final.c (bb_str): Qualify a char* with the keyword `const'.
+ (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
+
+ * fix-header.c (read_scan_file): Likewise.
+
+ * genoutput.c (output_epilogue, process_template): Likewise.
+
+ * local-alloc.c (requires_inout, block_alloc): Likewise.
+
+ * output.h (output_asm_insn, assemble_string): Likewise.
+
+ * recog.c (recog_constraints, check_asm_operands,
+ decode_asm_operands, extract_insn, preprocess_constraints,
+ constrain_operands): Likewise.
+
+ * recog.h (operand_alternative, recog_constraints, insn_template,
+ insn_outfun, insn_operand_constraint, insn_name): Likewise.
+
+ * regclass.c (record_reg_classes, scan_one_insn): Likewise.
+
+ * regmove.c (find_matches): Likewise.
+
+ * reload.c (alternative_allows_memconst): Likewise.
+
+ * reload1.c (constraint_accepts_reg_p,
+ reload_cse_simplify_operands): Likewise.
+
+ * rtl.h (decode_asm_operands): Likewise.
+
+ * scan.h (fn_decl): Likewise.
+
+ * varasm.c (assemble_string): Likewise.
+
+Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (gcc_tooldir): Handle case where exec_prefix has
+ not been explicitly set.
+ * configure: Rebuilt.
+
+ * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
+ unused.
+
+ * bitmap.h (bitmap_head_def): Make indx field unsigned.
+
+ * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
+ use $exec_prefix/$target_alias for gcc_tooldir.
+ * configure: Rebuilt.
+
+Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
+
+ * cppp.c (xrealloc): Fix typo last change.
+ * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
+ * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
+ * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
+
+1999-01-22 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
+ (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
+ (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
+ (cc_reg_not_cr0_operand): Add declaration.
+
+ * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
+ pseudo register, or a control register that is not CR0.
+
+ * rs6000.md (all combiner patterns building . instructions): For
+ all `.' instructions that do something and set cr0, add an
+ alternative that does the operation, and then sets a different
+ flag, in order to avoid using the costly mcrf instruction and also
+ allow cr0 to be clobbered in asm statements. Also fix a few
+ patterns that used the wrong register.
+
+ * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
+ (rs6000_debug_name): Make const char *, not char *.
+
+ * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
+
+ * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
+ (rs6000_select): Use const char * in casts.
+
+Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (gcc_tooldir): Move before first reference.
+ Let autoconf substitute in a value.
+ * configure.in (gcc_tooldir): Only use a relative path to the
+ tool directory if $exec_prefix == $prefix.
+ * configure: Rebuilt.
+
+ * Makefile.in (tooldir): Replace with gcc_tooldir.
+
+Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
+
+ * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indentation.
+ (ashldi3 expander): Similarly. Update comments.
+ (ashrdi_const, lshrdi_const): Fix indentation.
+ (ashrdi3, lshrdi3): Fix indentation. Update comments.
+
+Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
+
+ * emit-rtl.c (try_split): Don't try to split non-instructions.
+
+Thu Jan 21 23:47:30 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * expr.c (emit_push_insn): Fix dumb typo.
+
+Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
+ transformations that we have performed earlier.
+ * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
+
+ * alpha.md (prologue_stack_probe_loop): Don't do our own label
+ handling, call gen_label_rtx instead.
+
+Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
+
+ * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
+
+ * cccp.c (xrealloc): Call malloc given a NULL old pointer.
+ * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
+ * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
+ * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
+ * genrecog.c, mips-tfile.c, protoize.c: Likewise.
+
+Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
+
+ * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
+ --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
+ adding -Wl,-bbigtoc to BOOT_LDFLAGS.
+ * configure: Regenerate.
+
+ * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
+
+Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
+
+ * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
+
+Thu Jan 21 14:18:04 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
+ move_by_pieces.
+ (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
+ (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
+ (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
+ (move_by_pieces): Use new macros.
+ (emit_block_move): Use new macros.
+ (clear_by_pieces): Use new macros.
+ (clear_storage): Use new macros.
+ (emit_push_insn): Use new macros.
+ (expand_expr): Use new macros.
+ * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
+ Define.
+ (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
+ (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
+ (MOVE_MAX_PIECES): Move 8 bytes on SH4.
+ * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
+ USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
+ USE_STORE_PRE_DECREMENT): Describe new macros.
+
+Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * varasm.c (output_constant_pool): Use floor_log2 instead of
+ exact_log2 for ASM_OUTPUT_ALIGN.
+
+ * stor-layout.c (layout_type): Do machine-dependent extra alignment.
+
+ * emit-rtl.c (operand_subword): Handle case when a subword outside
+ the operand.
+
+ * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
+ the macros.
+
+Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (fold_rtx): Revert 29 Dec change.
+ (cse_insn): Revert 12 Jan change.
+ * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
+ * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
+ * rtl.def: Likewise.
+ * rtl.h (CONSTANT_P): Likewise.
+
+ * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
+ to memory.
+ * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
+ * alpha.c (input_operand): Likewise.
+ * c4x.c (const_operand): Likewise.
+
+ * explow.c (allocate_dynamic_stack_space): Use register_operand
+ instead of arith_operand, which does not exist.
+
+ * 1750a.h: Fix comment closure.
+ * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
+ * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
+ * arm.h (TARGET_SWITCHES): Fix typo.
+ * i370.md (anon mult and div patterns): Fix set mode mismatch.
+ * i860.c (output_delayed_branch): Fix operands to constrain_operands.
+ (output_delay_insn): Likewise.
+ * m88k.md (anon rotate insns): Fix set mode mismatch.
+ (anon BLKmode moves): Commonize and fix set mode mismatches.
+ * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
+ * romp.md (movdf): Fix typo.
+
+Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
+
+ * Makefile.in (install-common): Remove extraneous chmod for gcov
+ install.
+
+Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
+
+ * function.c (assign_parms): Save and restore setting of
+ TREE_USED (parm).
+
+Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
+ Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
+
+Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
+
+ * recog.c (pop_operand): New function.
+ * recog.h (pop_operand): Declare it.
+ * genrecog.c (preds): Define it.
+
+ * expr.c (do_jump_for_compare): Handle conditional branch expanders
+ emitting multiple jump instructions.
+ * jump.c (condjump_label): New function.
+ * rtl.h (condjump_label): Declare it.
+
+Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
+ clobber during or after reload.
+
+Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
+
+ * genoutput.c (name_for_index): New function.
+ (scan_operands, validate_insn_alternatives): Use it.
+ * genrecog.c (insn_name_ptr_size): New variable.
+ (make_insn_sequence): Fill in insn_name_ptr.
+ (merge_trees): Use it.
+
+Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
+
+ * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
+ * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
+ * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
+
+Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (NUM_STORES): Delete.
+ (loop_store_mems): Turn into an EXPR_LIST of MEMs.
+ (prescan_loop): Properly initialize loop_mems_idx.
+ (note_addr_stored): Simplify using list structure instead of
+ fixed sized array.
+ (invariant_p, check_dbra_loop, load_mems): Similarly.
+
+ * flow.c (invalidate_from_autoinc): New function.
+ (mark_set_1, mark_used_regs): Use it.
+
+ * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
+
+1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * invoke.texi (-mlong-double-64): New option description.
+
+1999-01-19 Jim Wilson <wilson@cygnus.com>
+
+ * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
+ LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
+ if not defined.
+ * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
+ (CPP_SPECS): Add -mlong-double-64 support.
+ (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
+ (TARGET_SWITCHES): Add -mlong-double-64 support.
+ (LONG_DOUBLE_TYPE_SIZE): Likewise.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
+ * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
+ (CPP_SPECS): Add -mlong-double-64 support.
+ * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
+ (MULTILIB_DIRNAMES): Add ld64.
+ * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
+
+Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
+ invisible reference.
+
+Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (offsettable_addr_operand): Delete.
+ (offsettable_mem_operand): New function.
+ * rs6000.h (PREDICATE_CODES): Reflect function change.
+ (RS6000_SAVE_TOC): Represent address as MEM.
+ * win-nt.h (RS6000_SAVE_TOC): Same.
+ * rs6000.md (indirect calls): Change offsettable address parameter
+ to offsettable memory parameter.
+
+Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * rtl.h (rtx_def): Update documentation.
+ (MEM_IN_STRUCT_P): Likewise.
+ (MEM_SCALAR_P): New macro.
+ (MEM_COPY_ATTRIBUTES): Likewise.
+ (MEM_SET_IN_STRUCT_P): Likewise.
+ * rtl.texi (MEM_SCALAR_P): Document.
+ * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
+ (fixed_scalar_and_varying_struct_p): New function. Use
+ MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
+ (aliases_everything_p): Likewise.
+ (true_dependence): Use them.
+ (write_dependence_p): New function, containing code common to
+ anti_dependence and output_dependence.
+ (anti_dependence): Use it.
+ (output_dependence): Likewise.
+ * calls.c (save_fixed_argument_area): Don't clear
+ MEM_IN_STRUCT_P.
+ (expand_call): Use MEM_SET_IN_STRUCT_P.
+ (emit_library_call): Don't clear MEM_IN_STRUCT_P.
+ (emit_library_call_value): Likewise.
+ (store_one_arg): Use MEM_SET_IN_STRUCT_P.
+ * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
+ (make_extraction): Likewise.
+ (simplify_shift_const): Likewise.
+ (gen_lowpart_for_combine): Likewise.
+ * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
+ * emit-rtl.c (operand_subword): Likewise.
+ (change_address): Likewise.
+ * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
+ * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
+ (emit_group_store): Use MEM_SET_IN_STRUCT_P.
+ (copy_blkmode_from_reg): Likewise.
+ (store_field): Likewise.
+ (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
+ heuristically. Use MEM_SET_IN_STRUCT_P.
+ (get_memory_rtx): Likewise.
+ * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
+ * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
+ MEM_ALIAS_SET on newly returned MEMs.
+ (assign_temp): Use MEM_SET_IN_STRUCT_P.
+ (put_reg_into_stack): Likewise.
+ (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
+ (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
+ (assign_parms): Likewise.
+ (expand_function): Likewise.
+ * integrate.c (expand_inline_function): Likewise.
+ (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
+ * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
+ * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
+ * print-rtl.c (print_rtx): Print /f for frame_related.
+ * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
+ * reload1.c (reload): Copy MEM_SCALAR_P as well.
+ * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
+ (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
+ * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
+ (output_constant_def): Likewise.
+ * a29k.c (a29k_set_memflags_1): Take scalar_p.
+ Set MEM_SCALAR_P.
+ (a29k_set_memflags): Use it.
+ * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
+ * c4x.c (c4x_scan_for_ld): Likewise.
+ * h8300.c (fix_bit_operand): Likewise.
+ * m88k.c (legitimize_address): Likewise.
+ (block_move_loop): Likewise.
+ (block_move_no_loop): Likewise.
+ (block_move_sequence): Likewise.
+ (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
+ * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
+ * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
+ * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
+ * arm.h (arm_gen_load_multiple): Take scalar_p.
+ (arm_store_load_multiple): Likewise.
+ * arm.c (arm_gen_load_multiple): Likewise.
+ (arm_gen_store_multiple): Likewise.
+ (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
+
+Tue Jan 19 12:30:37 1999 Andrew MacLeod <amacleod@cygnus.com>
+
+ * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
+ calls within a libcall block to indicate no throws are possible.
+ * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
+ libcall blocks. Don't add edges to exception handlers if we see
+ a REG_EH_REGION note with a value of 0.
+ (make_edges): Override active_eh_region vector if the call has a note
+ indicating the call does not throw.
+
+1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
+
+Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
+
+Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * invoke.texi (C++ Dialect Options): Document -fno-rtti.
+
+1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * invoke.texi (-mcpu=740, -mcpu=750): New options.
+ (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
+ PPC750.
+
+1999-01-18 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
+ supported with -mcpu=xxx.
+ (processor_type): Add PROCESSOR_PPC750.
+ (ADJUST_PRIORITY): Call rs6000_adjust_priority.
+ (RTX_COSTS): Supply costs for 750 multiply/divide operations.
+ (rs6000_adjust_priority): Add declaration.
+
+ * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
+ processor type as 750, not 603. Allow -mmultiple and -mstring on
+ little endian 750 systems.
+ (rs6000_adjust_priority): Stub for now.
+ (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
+
+ * rs6000.md (function/cpu attributes): Add initial ppc750 support.
+
+ * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
+ little endian.
+ (CC1_SPEC): Pass -mstrict-align if little endian, and not
+ overridden.
+ (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
+ (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
+
+ * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
+ little endian.
+
+ * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
+
+Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/mips.md (div_trap): Split div_trap_mips16
+ from div_trap.
+ (div_trap_normal,div_trap_mips16): Correct the length attributes.
+
+Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
+ Instead of writing to const char *buf directly, use a non-const
+ variable `wbuf' to allocate and write a string, then set buf = wbuf.
+
+ * cppulp.c (user_label_prefix): Qualify a char* with the `const'
+ keyword.
+
+ * dyn-string.c (dyn_string_append): Likewise.
+
+ * dyn-string.h (dyn_string_append): Likewise.
+
+ * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
+
+ * output.h (end_final, output_operand_lossage, asm_fprintf,
+ named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
+ Likewise.
+
+ * profile.c (init_branch_prob): Likewise.
+
+ * toplev.c (set_target_switch, vmessage,
+ v_message_with_file_and_line, v_message_with_decl,
+ v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
+ verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
+ v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
+ v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
+ open_dump_file, dump_rtl, clean_dump_file,
+ print_version, print_single_switch, print_switch_values,
+ dump_base_name, debug_args, lang_independent_options,
+ user_label_prefix, documented_lang_options, target_switches,
+ target_options, print_time, pfatal_with_name, fatal_io_error,
+ fatal_insn, default_print_error_function, print_error_function,
+ report_error_function, error_with_file_and_line, error_with_decl,
+ error_for_asm, error, fatal, warning_with_file_and_line,
+ warning_with_decl, warning_for_asm, warning, pedwarn,
+ pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
+ really_sorry, botch, output_quoted_string, output_file_directive,
+ open_dump_file, rest_of_decl_compilation, display_help, main):
+ Likewise.
+
+ * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
+ fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
+ warning_with_file_and_line, error_with_file_and_line, sorry,
+ really_sorry, default_print_error_function, report_error_function,
+ rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
+ error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
+ output_file_directive, botch): Likewise.
+
+ * tree.h (make_decl_rtl): Likewise.
+
+ * varasm.c (strip_reg_name, named_section, decode_reg_name,
+ make_decl_rtl): Likewise.
+
+Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
+ directory logically rather than physically.
+
+Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * loop.c (insert_bct): Hide the definition of variables
+ `increment_direction', `compare_direction', `add_iteration' and
+ `loop_var_mode'.
+
+ * recog.c (mode_dependent_address_p): Mark parameter `addr' with
+ ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
+ (mode_independent_operand): Mark label `lose' with
+ ATTRIBUTE_UNUSED_LABEL.
+
+ * regclass.c (n_occurrences): Remove prototype and definition.
+
+ * reload.c (find_reloads_address_1): Mark variable `tem' with
+ ATTRIBUTE_UNUSED.
+
+ * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
+
+ * sbitmap.c (sbitmap_copy): Likewise.
+
+ * scan-decls.c (scan_decls): Hide label `handle_comma'.
+
+ * toplev.c (output_lang_identify): Mark prototype with
+ ATTRIBUTE_UNUSED.
+
+ * tree.c (make_node): Cast the first argument of `bzero' to PTR.
+ (make_tree_vec): Likewise.
+ (build1): Likewise.
+
+ * varasm.c (assemble_static_space): Mark variable `tem' with
+ ATTRIBUTE_UNUSED.
+
+Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
+
+ * Makefile.in (GCOV_INSTALL_NAME): New macro.
+ (install-common): Use it.
+ (uninstall): Use it.
+ (uninstall): Use correct names for protoize and unprotoize.
+
+Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
+ Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (last_mem_set): Delete variable. References removed.
+ (mem_set_list): New variable.
+ (life_analysis): Initialize and finalize alias analysis.
+ (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
+ (insn_dead_p): For a store to memory, search the entire mem_set_list
+ for a match.
+ (mark_set_1): Kill entries on the mem_set_list for aliased writes or
+ changes to their addresses. Add new entries to the mem_set_list for
+ memory writes writes.
+ (mark_used_regs): Kill entries on the mem_set_list which may be
+ referenced by a load operation.
+
+Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
+
+ * alias.c (base_alias_check): Add missing return for differing
+ symbols case.
+
+Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * mips-tdump.c (print_file_desc): Handle unknown filenames and
+ missing local symbols.
+
+Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
+
+ * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
+
+ * system.h (bcopy): Implement with memmove not memcpy.
+
+Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (cppulp.o): Add dependencies.
+
+ * i386.md (integer conditional moves): Add missing earlyclobbers.
+
+ * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
+ REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
+ where a register is live.
+
+Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
+
+ * reg-stack.c (subst_stack_regs_pat): Abort if the destination
+ of a FP conditional move is not on the FP register stack.
+
+Sun Jan 17 01:15:04 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload_cse_regs_1): Do not call
+ reload_cse_simplify_operands for an insn with asm operands.
+
+ * cccp.c (print_help): Fix typos.
+ * cpplib.c (print_help): Fix typos.
+ * toplev.c (f_optiosn): Fix typos.
+ (documented_lang_options): Fix typos.
+
+Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
+
+ * gcc.c (do_spec_1): Fix obvious typo.
+
+Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-decl.c (duplicate_decls): If `warn_traditional', warn when
+ a non-static function declaration follows a static one.
+
+ * invoke.texi (-Wtraditional): Document the extra check now done
+ by this flag.
+
+Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (shadd): Create shadd insns, even if the result of the shift is
+ needed without the addition.
+
+Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
+
+Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
+
+Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
+ * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
+ non_add_cint_operand, non_logical_cint_operand): Likewise.
+ (get_issue_rate): Add CPU_PPC604E case.
+ * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
+
+Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (queued_subexp_p): Make public.
+ * expr.h (queued_subexp_p): Declare it.
+ * recog.c (asm_operand_ok): New function.
+ (check_asm_operands): Use it. After reload, use constrain_operands
+ instead.
+ * recog.h (asm_operand_ok): Declare it.
+ * stmt.c (expand_asm_operands): Use it to try harder to make
+ asms initially satisfy their constraints.
+
+Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
+
+ * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
+ (mem (lo_sum (...)) for TFmode unless TARGET_V9.
+
+Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
+ in delay slot of RPTBD.
+
+Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
+ divide and modulo sign problem.
+
+Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * unroll.c (loop_iterations): Return 0 if the last loop insn
+ is not a jump insn or if the loop has multiple back edges.
+
+1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
+ it's working properly now. Remove comment saying "see m68k-motorola-sysv
+ as an example".
+ * configure: Regenerate using autoconf.
+
+ * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
+
+Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
+
+ * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
+ a register with another DEST_ADDR giv if the address is not valid.
+
+ * pa.c (hppa_expand_epilogue): Save and restore the static chain
+ around the call to mcount.
+
+ * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
+
+ * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
+ generating non-canonical rtl.
+
+1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * config/i960/i960.c (i960_output_move_double_zero,
+ i960_output_move_quad_zero): New functions for moving zeros.
+ (i960_output_move_double, i960_output_move_quad): Additional code
+ for situation when moving unaligned register group.
+
+ * config/i960/i960.h (i960_output_move_double_zero,
+ i960_output_move_quad_zero): The function definitions.
+
+ * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
+
+1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
+
+ * config/i960/i960.c (i960_function_prologue): New code (optimal
+ solution) for saving global registers in local registers.
+ (form_reg_groups, reg_group_compare, split_reg_group): New
+ functions used by the code.
+ (reg_group): New structure definition for the new code.
+
+1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * fixinc/fixincl.c (create_file): Pass file creation mask as
+ third parameter to "open". Use O_TRUNC flag to open instead of
+ explicitly unlink'ing the file.
+ (process): and forget about the "chmod" stuff.
+
+Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * integrate.c (expand_inline_function): Recognize (mem (addressof))
+ and substitute. Copy the return value from there into a new pseudo.
+
+Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
+ before generating a call to abort for volatile functions.
+ * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
+ (TARGET_ABORT_NORETURN): Define.
+ (abort-on-noreturn): New option.
+
+Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
+ and binarycc operations in 3rd annulled delay slot!
+
+Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
+
+ * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
+ before generating a call to abort for volatile functions.
+ * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
+ (TARGET_ABORT_NORETURN): Define.
+ (abort-on-noreturn): New option.
+
+Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
+ Remove prototype which we get from libiberty.h.
+
+ * collect2.c (xstrdup): Likewise.
+
+ * genextract.c (xstrdup): Likewise for `copystr'.
+ (mybzero): Remove it and use `memset' instead.
+
+ * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
+ to use `memcpy' and `memset' instead.
+
+ * genrecog.c (xstrdup): Renamed from `copystr'. All callers
+ changed. Remove prototype.
+ (mybcopy, mybzero): Remove these and use memcpy/memset.
+
+Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
+
+ * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
+ generating code for TARGET_64BIT.
+
+Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
+ HOST_WIDE_INT word-size.
+ (rs6000_stack_info): Remove redundant alignment of fpmem.
+
+Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
+
+ * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
+ (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
+ (input_operand): Adjust CONSTANT_P_RTX handling.
+ * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
+ * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
+ (movhi, movqi): Remove CONSTANT_P_RTX handling.
+ (movdi): Adjust CONSTANT_P_RTX handling.
+
+1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * configure: Regenerate using autoconf.
+
+ * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
+ * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
+ (process): "fchmod" isn't available on all systems, use "chmod"
+ instead.
+ * fixinc/server.c: Add #include <sys/types.h>.
+ (STDIN_FILENO): Add default definition if no include file defines
+ it already.
+ (STDOUT_FILENO): Likewise.
+
+Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
+
+ * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
+
+1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
+ ensure all prototypes necessary for building libio will be available.
+ * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
+ definitions here as they are not host specific.
+ * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
+
+Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
+
+ * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
+
+Tue Jan 12 02:36:10 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
+
+ * rtl.c (rtx_alloc): Use memset instead of inline loop.
+
+ * recog.h (recog_op_alt): Declare extern.
+
+Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
+
+ * function.c (purge_addressof_1): If the note accesses a mem+addressof
+ in a wider mode than any replacement, adjust the cached replacement.
+ Cache trivial substitutions as well.
+
+Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
+
+ * Makefile.in (OBJECTS): Add sbitmap.o.
+ (BASIC_BLOCK_H): Add sbitmap.h.
+ * basic-block.h: Move simple bitmap code to sbitmap.h.
+ * flow.c: Move simple bitmap code to sbitmap.c.
+ * sbitmap.h, sbitmap.c: New files.
+
+Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
+
+ * alpha.h (TARGET_SWITCHES): Document switches.
+ (TARGET_OPTIONS): Likewise.
+
+ * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
+
+Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
+
+Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
+
+ * basic-block.h (basic_block_head): Rename to x_basic_block_head.
+ (basic_block_end): Rename to x_basic_block_end.
+ (BLOCK_HEAD, BLOCK_END): Update.
+
+ * caller-save.c: Change basic_block_head/end references to
+ BLOCK_HEAD/END.
+ * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
+ * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
+ * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
+
+Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (xstrerror): Renamed from my_strerror. All callers
+ changed. Remove prototype since we get that from libiberty.h.
+
+ * protoize.c (xstrerror): Likewise.
+
+Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (read_specs): Ensure format specifiers match their arguments.
+
+Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (copy_node): Oops. That would be copy not zero
+ in that last change.
+
+Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c: Include system.h.
+ (c4x_caller_save_map): Disable caller save for RC.
+ (c4x_optimization_options): Disable scheduling before reload.
+ (valid_parallel_load_store) : Define return type as int.
+ Remove unused variable regs.
+ * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
+ class.
+ * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
+ handle rotations.
+ (*db, decrement_and_branch_until_zero): Fix up constraints
+ to keep reload happy.
+
+Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
+
+ * tree.c (make_node): Call bzero instead of inline clear.
+ (copy_node, make_tree_vec, build1): Likewise.
+ (get_identifier): Call strlen instead of inline count.
+ (maybe_get_identifier): Likewise.
+
+Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (in_annul_slot_3): Allow unarycc and binarycc
+ operations in 3rd annulled delay slot.
+ (*lshrqi3_const_set): Disallow c constraint for operand0.
+ (modhi3+1, modhi3+2): Set attribute type to multi.
+ * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
+ != operator.
+
+Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gansidecl.h: Allow attribute unused on labels only when we are
+ version 2.93 or higher. Not all versions of 2.92 have this feature.
+
+ * version.c: Bump minor number to 93.
+
+Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * config/m68k/m68k.h: Declare output_function_epilogue.
+ * recog.h: Declare next_insn_tests_no_inequality.
+
+Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
+
+ * stmt.c (optimize_tail_recursion): New function, extracted from ...
+ (expand_return): Use optimize_tail_recursion.
+ * tree.h (optimize_tail_recursion): Declare.
+
+ * toplev.c (compile_file): Move call to output_func_start_profiler
+ to after the loop to emit deferred functions.
+
+Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * system.h (abort): Supply more detailed information on how to
+ report an Internal Compiler Error.
+
+Thu Jan 7 09:25:58 1999 Bruce Korb (korb@datadesign.com)
+
+ * fixinc/fixincl.c (*): More decapitalization of variables
+ plus some explanatory comments.
+
+ * fixinc/Makefile.in fixinc/mkfixinc.sh:
+ When the fixincl program does not work for a certain system,
+ we substitute a shell script. Added user commentary when
+ this happens.
+
+Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
+
+ * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
+ allocate memory that will live beyond this function.
+ (expand_call): Free it here.
+
+Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
+
+ * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
+ integer data not destined for fp regs.
+ (LEGITIMIZE_RELOAD_ADDRESS): New.
+
+Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
+ Richard Henderson <rth@cygnus.com>
+
+ Support for HyperSPARC and SPARClite86x:
+ * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
+ (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
+ (ASM_CPU32_DEFAULT_SPEC): Likewise.
+ (TARGET_CPU_DEFAULT): Likewise.
+ (enum processor_type): Likewise.
+ (CPP_ENDIAN_SPEC): Handle little endian data.
+ (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
+ (ADJUST_COST): Call sparc_adjust_cost.
+ * sparc.c (sparc_override_options): Fix up for the new targets.
+ (supersparc_adjust_cost): Make static.
+ (hypersparc_adjust_cost): New.
+ (ultrasparc_adjust_cost): Make static.
+ (sparc_adjust_cost): New.
+ * sparc.md (attr cpu): Add hypersparc and sparclite86x.
+ (function_unit): Add hypersparc scheduling rules.
+
+ * configure.in (with_cpu handler): Recognize hypersparc.
+
+Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c: Added space after negation operator.
+ * config/c4x/c4x.h: Likewise.
+ * config/c4x/c4x.md: Likewise.
+
+Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
+
+Thu Jan 7 00:29:25 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
+ when a test can't be performed due to limited width of
+ HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
+ Fix UDIV case for cases where the first operand has the highest bit
+ set.
+
+Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
+
+ * pa.h (reg_class): Add FPUPPER_REGS.
+ (REG_CLASS_NAMES): Similarly.
+ (REG_CLASS_CONTENTS): Similarly.
+ (REGNO_REG_CLASS): Handle FPUPPER_REGS.
+ (FP_REG_CLASS_P): Likewise.
+ (REG_CLASS_FROM_LETTER): Similarly.
+ (CLASS_MAX_NREGS): Similarly.
+
+1999-01-06 Brendan Kehoe <brendan@cygnus.com>
+
+ * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
+ for a typedef of bool. Make sure to have a copy of the file is
+ in place before we look to fix it. Fix typo in variable name to
+ FILE.
+
+Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
+
+ * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
+ value_mode for the return mode.
+
+Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
+
+ * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
+ debugging as default.
+
+ * config/tm-dwarf2.h: New file.
+
+Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.h (ASM_OUTPUT_LABELREF): Define.
+
+ * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
+ * local-alloc.c (update_equiv_regs): Corresponding changes.
+ * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
+
+ * calls.c (special_function_p): Push alloca test inside the large
+ conditional which excludes functions not at file scope or not
+ extern.
+
+ * calls.c (special_function_p): New function broken out of
+ expand_call.
+ (precompute_register_parameters): Likewise.
+ (store_one_arg): Likewise.
+ (store_unaligned_argumetns_into_pseudos): Likewise.
+ (save_fixed_argument_area): Likewise.
+ (restore_fixed_argument_area): Likewise.
+ (expand_call): Corresponding changes.
+
+Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (addqi3): If the destination operand is
+ a hard register other than an extended precision register,
+ emit addqi3_noclobber.
+ (*addqi3_noclobber_reload): New pattern added so that reload
+ will recognize a store of a pseudo, equivalent to the sum
+ of the frame pointer and a constant, as an add insn.
+
+1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * fixinc/fixincl.c: Re-indent according to the GNU standards.
+ fixinc/server.c: Likewise.
+ fixinc/server.h: Likewise.
+
+Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
+
+ * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
+ handling.
+ (const_sint32_operand): Likewise.
+
+Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
+ is a macro when deciding if we can use `jmp_buf' in prototypes.
+
+Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
+
+ * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
+ * configure: Rebuilt.
+ * i386/xm-go32.h: Define LIBSTDCXX.
+ * i386/x-go32: New.
+ * i386/go32.h (MD_EXEC_PREFIX): Define.
+ (FILE_NAME_ABSOLUTE_P): Define.
+ (LINK_COMMAND_SPEC): Define.
+
+Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
+
+ * expr.c (store_expr): If the lhs is a memory location pointed
+ to be a postincremented (or postdecremented) pointer, always
+ force the rhs to be evaluated into a pseudo.
+
+Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
+
+ * real.c (mtherr): Print more reasonable warning messages.
+
+Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
+
+ * cccp.c: Include prefix.h, don't prototype prefix.c functions.
+ (new_include_prefix): Constify char* parameters.
+
+ * cppfiles.c (read_name_map): Likewise.
+ (append_include_chain): Likewise. Also, use a writable char* copy
+ of parameter `dir' which we then modify, rather than using the
+ parameter itself to store the new writable string.
+ (remap_filename): Constify some variables. Also, use a writable
+ char* to store an allocated string which we will be modifying.
+
+ * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
+ (cpp_start_read): Constify variable `str'.
+
+ * cpplib.h (append_include_chain): Constify a char* parameter.
+
+ * gcc.c Include prefix.h, don't prototype prefix.c functions.
+ (add_prefix, save_string): Constify char* parameters.
+ (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
+
+ * prefix.c: Include prefix.h.
+ (get_key_value, translate_name, save_string, update_path,
+ set_std_prefix): Constify various char* parameters and variables.
+ (save_string): Use xmalloc, not malloc.
+ (translate_name): Use a writable temporary variable to create and
+ modify a string before setting it to a const char*.
+
+ * prefix.h: New file to prototype functions exported from prefix.c.
+
+Tue Jan 5 08:52:18 1999 Bruce Korb (korb@datadesign.com)
+
+ * fixinc/fixincl.c (various): Added debug code so
+ Manfred can trace the processing.
+
+ * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
+ struct utsname on Ultrix V4.[35].
+
+ * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : Regenerated.
+
+Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cpplib.c (skip_if_group): Split out the logic that handles
+ directive recognition to its own function. Don't use
+ parse markers; use a bare pointer into the buffer. Use
+ copy/skip_rest_of_line instead of doing it by hand. Remove
+ `return on any directive' mode which was never used, and take
+ only one argument.
+ (consider_directive_while_skipping): New function, subroutine
+ of skip_if_group. Logic streamlined a bit.
+ (conditional_skip, do_elif, do_else): Call skip_if_group with
+ only one argument.
+
+Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
+ error.
+
+Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
+
+ * extend.texi (Bound member functions): Document.
+
+Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
+ lang_to_string, type_to_string): Make return type const char*.
+ (print_symbol): Apply `const' keyword to a char*.
+ (print_file_desc): Cast structure member `crfd' to ulong when
+ comparing against one.
+
+ * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
+ (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
+ (progname, input_name): Apply `const' keyword to a char*.
+ Don't redundantly include sys/stat.h.
+ (alloc_info): Apply `const' keyword to a char*.
+ (st_to_string, sc_to_string): Likewise.
+ (hash_string): Cast variable `hash_string' to a symint_t when
+ comparing against one.
+ (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
+ Likewise cast it to long when comparing against one.
+ (add_local_symbol): Apply `const' keyword to a char*.
+ (add_ext_symbol): Likewise.
+ (add_unknown_tag): Likewise.
+ (add_procedure): Cast a printf-style field width to an int.
+ (add_file): Cast PAGE_USIZE to long when comparing against one.
+ (parse_begin): Cast a printf-style field width to an int.
+ (parse_bend): Likewise.
+ (parse_def): Likewise.
+ (parse_end): Likewise.
+ (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
+ (parse_stabs_common): Fix format specifier.
+ (parse_input): Change type of variable `i' to Size_t.
+ (write_object): Fix arguments to match format specifiers.
+ Cast variable `num_write' to long when comparing against one.
+ (read_seek): Cast variable `sys_read' to symint_t when comparing
+ against one. Fix arguments to match format specifiers. Cast
+ variable `size' to long when comparing against one.
+ (copy_object): Cast result of `sizeof' to int when comparing
+ against one. Fix arguments to match format specifiers. Cast
+ variable `ifd' to long when comparing against a signed value.
+ Likewise, likewise.
+
+Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (decl_attributes): Allow applying attribute `unused'
+ on a LABEL_DECL.
+
+ * c-parse.in (label): Parse attributes after a label, and call
+ `decl_attributes' to handle them.
+
+ * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
+
+ * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
+ generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
+
+ * invoke.texi: Note that labels can be marked `unused'.
+
+Sun Jan 3 23:32:18 1999 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
+
+ * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
+ RTL for a compare/jump sequence.
+
+Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
+ for a target with HAVE_cc0 defined.
+ (emit_cmp_and_jump_insns): New function.
+ * expr.h (emit_cmp_and_jump_insns): Prototype it.
+ * loop.c (check_dbra_loop): Use it to replace calls
+ to emit_cmp_insn and emit_jump_insn and to canonicalize
+ the comparison if necessary.
+ * unroll.c (unroll_loop): Likewise.
+
+Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixincludes (sys/utsname.h): Provide forward declaration of
+ struct utsname on Ultrix V4.[35].
+
+ * mips.md (div_trap): Use local labels instead of dot-relative
+ branches.
+
+Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (branch, negated branch): Handle (const_int 0) as first
+ source operand.
+ * pa.c (output_cbranch): Likewise.
+
+Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (rs6000_stack_info): Undo spurious part of last
+ change.
+
+1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * extend.texi (__builtin_constant_p): Add missing @smallexample.
+
+Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
+
+ * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
projects / msp430-gcc.git / blobdiff