1 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3 * mkconfig.sh: Use a subshell with redirected stdout,
4 instead of closing stdout and confusing commands that run
5 afterward. Throw away output of cmp.
7 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
9 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
11 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
13 * i386.md (zero_extendsidi2_32): Break out from ...
14 (zero_extendsidi2): ... here ; turn to expander.
15 (zero_extendsidi2_rex64): New.
16 (extendsidi2_32): Break out from ...
17 (extendsidi2): ... here ; turn to expander.
18 (extendsidi2_rex64): New.
19 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
20 (trunc?f?f splitters): Add 64bit versions.
22 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
24 * i386.md (pushsi, pushsi2_prologue): Disable.
26 (movabs?i_1_rex64, movabs?i_2_rex64): New.
27 (movqi_ext_1): Disable for 64bit.
28 (movqi_ext_1_rex64): New.
29 (pushdi2_rex64): New pattern, peep2s and splitter.
30 (pushdi2_prologue_rex64): New pattern.
31 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
33 (movdi splitters): Disable for 64bit.
34 (movdi_1_rex64): New pattern, peep2s and splitters.
35 (swapdi): New pattern.
36 (pushsf): Disable for 64bit.
37 (pushsf_rex64): New pattern and splitter.
38 (pushdf_nointeger): Disable for 64bit.
39 (pushdf_integer): Handle the 64bit case.
40 (pushtf): Likewise; update splitters.
42 2001-03-22 Richard Henderson <rth@redhat.com>
44 * mkconfig.sh: Include insn-flags.h.
45 * Makefile.in (CONFIG_H): Include insn-flags.h.
46 (lots of objects): Remove insn-codes.h and insn-flags.h.
48 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
49 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
50 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
51 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
52 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
53 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
54 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
55 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
56 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
57 v850/v850.c, vax/vax.c:
58 Don't include insn-flags.h.
60 * diagnostic.c, expr.h, reload.c, toplev.c:
61 Don't include insn-codes.h.
63 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
64 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
65 c4x/c4x.c, i960/i960.c, mips/mips.c:
66 Don't include insn-codes.h or insn-flags.h.
68 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
69 or insn-flags.h in the generated code.
70 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
71 (main): Forward declare struct rtx_def.
73 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
75 * invoke.texi (-ffast-math): Remove duplicate line about
78 * gcc.texi: Remove more obsolete documentation of bugs and
79 installation problems.
81 2001-03-21 Kazu Hirata <kazu@hxi.com>
83 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
86 2001-03-20 Jason Merrill <jason@redhat.com>
88 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
90 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
91 * varasm.c (CHKR_PREFIX): Likewise.
93 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
95 * gcse.c (hash_scan_set): An expression is not anticipatible if it
96 is part of a multi-SET insn.
98 * cse.c (find_comparison_args): Remove previous change.
99 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
102 * config/i386/i386.md (conditional_trap): Remove warning.
104 * recog.c (push_operand): Fix error in last change that caused
105 undefined symbol on many targets.
107 * sdbout.c: #include ggc.h.
108 (sdbout_init): Move to end of file.
109 Call ggc_add_tree_root for anonymous_types.
110 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
111 (sdbout_one_type): Use DECL_NAME for field name.
112 * Makefile.in (sdbout.o): Show includes ggc.h.
114 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
116 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
117 (override_options): Use properlimits for preferred_stack_boundary.
118 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
120 (ext_register_operand): Accept DImode.
121 (load_pic_register): Abort on 64bit.
122 (gen_push): Use Pmode instead of SImode.
123 (ix86_save_reg): Pic reg is never used on 64bit.
124 (ix86_expand_prologue): Likewise.
125 (ix86_emit_save_regs): Use Pmode instead of SImode.
126 (legitimate_address_p): Check displacement for 64bit.
127 (print_operand): Avoid outputting of (%rip) on 64bit.
128 (print_operand_address): Output (%rip) where possible.
129 (split_di): Abort on 64bit registers.
130 (ix86_expand_branch): DImode comparison is simple for x86_64.
131 (memory_address_length): Recognize memory addresses formed using
133 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
135 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
137 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
139 * recog.c (push_operand): Recognize new format of push instructions.
141 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
143 * i386.md (pushqi1): New.
144 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
145 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
146 x86_64_immediate_operand, x86_64_immediate_operand,
147 x86_64_zext_immediate_operand): Declare.
148 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
149 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
150 x86_64_immediate_operand, x86_64_immediate_operand,
151 x86_64_zext_immediate_operand): define.
152 * i386.h (PREDICATE_CODES): Add new predicates.
154 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
156 * i386.md (pophi1, popqi1, pushqi1): Remove.
158 * expr.c (emit_single_push_insn): New function.
159 (move_by_pieces): Accept NULL as destination for push instructions.
160 (gen_push_operand): Kill.
161 (emit_push_insn): Pass NULL when pushing; avoid updating of
163 * expr.h (gen_push_operand): Kill.
165 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
167 * rtl.texi (COMPARE): Clarify documentation and reference section
170 2001-03-20 Stan Shebs <shebs@apple.com>
172 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
173 (get_object_reference): Ditto.
174 (error_with_ivar): Use error_with_file_and_line.
175 (warn_with_method): Use warning_with_file_and_line.
177 2001-03-20 Tom Tromey <tromey@redhat.com>
179 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
181 2001-03-20 Mark Mitchell <mark@codesourcery.com>
183 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
184 variables that are TREE_PUBLIC, even if not TREE_STATIC.
186 2001-03-20 DJ Delorie <dj@redhat.com>
188 * Makefile.in (install-libgcc): Pass complete list of variables.
189 (install-multilib): Ditto.
191 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
193 * config/i386/cygwin.h: Declare ctor_section, dtor_section
194 drectve_section, switch_to_section.
196 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
197 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
198 i386_pe_mark_dllimport.
200 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
202 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
205 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
206 i386_pe_* functions with char * arguments.
208 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
210 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
212 (movsi_ie): Introduce fpul store.
214 2001-03-20 Alan Modra <alan@linuxcare.com.au>
216 * Makefile.in (OBJS): Remove hashtab.o.
218 2001-03-19 Stan Shebs <shebs@apple.com>
220 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
221 * c-lang.c (maybe_objc_method_name): Ditto.
222 * c-tree.h (maybe_objc_method_name): Remove decl.
224 2001-03-19 Tom Tromey <tromey@redhat.com>
226 * gcc.c (init_gcc_specs): Fix comment.
228 2001-03-19 Mark Mitchell <mark@codesourcery.com>
230 Compute DECL_ASSEMBLER_NAME lazily.
231 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
232 (DECL_ASSEMBLER_NAME_SET_P): New macro.
233 (SET_DECL_ASSEMBLER_NAME): Likewise.
234 (COPY_DECL_ASSEMBLER_NAME): Likewise.
235 (set_decl_assembler_name): Declare.
236 (lang_set_decl_assembler_name): Likewise.
237 * tree.c (lang_set_decl_assembler_name): New variab.e
238 (set_decl_assembler_name): New function.
239 (init_obstacks): Set lang_set_decl_assembler_name.
240 (build_decl): Don't set DECL_ASSEMBLER_NAME.
241 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
242 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
243 where it's not necessary.
244 (builtin_function): Likewise.
245 (finish_decl): Likewise.
246 * dbxout.c (dbxout_type_methods): Likewise.
247 * ggc-common.c (ggc_mark_trees): Likewise.
248 * profile.c (output_func_start_profiler): Likewise.
249 * varasm.c (make_decl_rtl): Likewise.
251 * cse.c (find_comparison_args): Update documentation. Fix
252 mishandling of COMPARE operations.
254 * tree.def (ABS_EXPR): Add documentation.
255 * fold-const.c (fold): Improve folding of ABS_EXPRs.
257 2001-03-19 Zack Weinberg <zackw@stanford.edu>
259 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
261 2001-03-19 Jakub Jelinek <jakub@redhat.com>
263 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
264 Remove ia32 linux PIC kludge and move it...
265 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
267 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
269 * i386.md (absdf2 expander): Fix 64bit case.
271 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
273 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
275 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
277 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
279 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
281 * README.X11: Remove obsolete file.
283 2001-03-18 Anthony Green <green@redhat.com>
285 * config/pj/pj.h: Remove some trailing commas.
286 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
288 2001-03-18 Richard Henderson <rth@redhat.com>
290 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
292 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
293 defaults for them here.
295 2001-03-17 Anthony Green <green@redhat.com>
297 * config/pj/lib1funcs.S: Fix broken comment.
298 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
301 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
303 * gcc.texi: Remove obsolete information relating to build and
304 installation problems with enquire or the Pyramid C compiler.
306 2001-03-17 Richard Henderson <rth@redhat.com>
308 * dwarf2out.c (queue_reg_save): New.
309 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
310 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
312 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
313 (cfa, cfa_store, cfa_temp): Make static.
314 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
316 2001-03-17 Richard Henderson <rth@redhat.com>
318 * integrate.h (struct inline_remap): Add local_return_label.
319 * integrate.c (expand_inline_function): Initialize it and emit
320 it after copy_insn_notes.
321 (copy_insn_list): Don't store local_return_label here.
322 (copy_insn_notes): New function split out from copy_insn_list.
324 2001-03-17 Richard Henderson <rth@redhat.com>
326 * dwarf2out.c (lookup_filename): Emit .file if the assembler
327 is generating .debug_line.
328 (dwarf2out_init): Add main_input_filename to the file table first.
329 * configure.in (as_dwarf2_debug_line): Test with file number 1
330 instead of file number 0.
332 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
334 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
335 (gen_rtx_combine): Deleted; all references changed as appropriate.
336 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
338 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
340 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
342 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
345 2001-03-16 Jim Wilson <wilson@redhat.com>
347 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
348 then set it to LOC_REG (79) instead of aborting.
350 2001-03-16 Phil Edwards <pme@sources.redhat.com>
352 * gccbug.in: Remove high priority.
354 2001-03-16 Richard Henerson <rth@redhat.com>
356 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
357 output with a space instead of deleting it.
358 * configure: Regenerate.
360 2001-03-16 Zack Weinberg <zackw@stanford.edu>
362 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
363 handles the gory details of converting an object file into
364 something that's safe to grep.
365 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
366 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
367 newlines at either end of the string we're looking for.
368 Make 'checking ...' message less stilted.
369 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
370 ARM in-memory layout and its hypothetical converse. Don't
371 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
372 HOST_WORDS_BIG_ENDIAN.
374 * configure.in: Adjust for renamed macro. Move
375 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
376 * configure, config.in: Regenerate.
378 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
380 * fixinc/Makefile.in: Set SHELL.
382 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
384 * fixinc/fixincl.c (fix_with_system): Quote file names before
385 passing them to shell.
387 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
389 * Makefile.in: Use fix-header$(build_exeext) instead
392 2001-03-16 Richard Henderson <rth@redhat.com>
394 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
395 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
396 (size_of_line_prolog): Remove.
397 (output_line_info): Compute prologue size via label difference.
398 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
400 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
401 assembler error when redefining file numbers.
402 * config.in, configure: Rebuild.
404 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
405 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
406 (dw2_asm_output_delta_uleb128): Likewise.
407 (dw2_asm_output_delta_sleb128): Similarly.
408 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
410 2001-03-16 Michael Meissner <meissner@redhat.com>
412 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
414 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
416 (BITMASK_LOWER16): Replacement for 0x0000ffff.
418 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
419 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
420 being unsigned in ISO C and signed in traditional.
421 (expand_prologue): Ditto.
422 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
424 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
426 (divsi3,divdi3): Ditto.
427 (modsi3,moddi3): Ditto.
428 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
429 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
430 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
433 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
435 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
436 SSE based conditional moves on LTGT/UNEQ conditions;
437 Canonicalize EQ to NE.
438 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
439 (sse_mov?fcc_ne): New.
441 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
443 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
445 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
446 register may be dead.
448 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
450 * Makefile.in (hash.o): Depend on CONFIG_H.
452 2001-03-15 Mark Mitchell <mark@codesourcery.com>
454 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
456 2001-03-15 Richard Henderson <rth@redhat.com>
458 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
459 (ASM_OUTPUT_DWARF_PCREL): New.
460 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
462 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
464 * cppfiles.c (stack_include_file): Use MAX of sysp.
466 2001-03-15 Steve Ellcey <sje@cup.hp.com>
468 * config.gcc (ia64*-*-hpux*): New case.
469 * config/ia64/hpux.h: New file for HP-UX support.
470 * config/ia64/t-hpux: New file for HP-UX support.
472 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
474 * fixinc/inclhack.def (irix_stdio_va_list): New.
475 * fixinc/fixincl.x: Rebuilt.
477 2001-03-15 Richard Henderson <rth@redhat.com>
479 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
480 if provided by the target.
481 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
482 (dw2_asm_output_addr): New.
483 * dwarf2asm.h (dw2_asm_output_addr): Declare.
484 * dwarf2out.c (output_cfi): Use it for program addresses.
485 (output_call_frame_info, output_die): Likewise.
486 (output_aranges, output_line_info): Likewise.
488 2001-03-15 Bruce Korb <bkorb@gnu.org>
490 * gcc.c(main): make more rigorous
491 * collect2.c(main): guard against ignoring SIGCHLD
492 * protoize.c(main): ditto
493 * gcc/fixinc/fixincl.c(initialize): ditto
495 2001-03-15 Mark Mitchell <mark@codesourcery.com>
497 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
498 (sdbout_parms): Likewise.
500 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
502 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
503 "widen" a destination that is already wider than a word. Also do
504 not widen if LOAD_EXTEND_OP is NIL for the given mode.
506 2001-03-15 Bernd Schmidt <bernds@redhat.com>
508 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
510 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
512 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
514 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
516 * i960.h (i960_maxbitalignment,
517 i960_last_maxbitalignment): Declare.
518 * i960.c (i960_maxbitalignment,
519 i960_last_maxbitalignment): Make global.
520 (process_pragma): Delete.
521 (i960_pr_align, i960_pr_noalign): Move from here ...
522 * i960-c.c: ... to this new file.
523 * t-960bare (i960-c.o): New rule.
524 * t-vxworks960 (i960-c.o): Likewise.
525 * config.gcc (i960-*-*): Define c_target_objs and
528 2001-03-15 Bernd Schmidt <bernds@redhat.com>
530 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
531 without adding in rtx code and mode.
533 * alias.c (init_alias_analysis): Don't use any rtx whose value
534 varies as a known value.
535 Delete a superfluous test.
537 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
539 (ia64_sched_reorder): Call maybe_rotate; also rotate after
540 scheduling a stop bit.
541 (ia64_emit_nops): Correctly handle ASMs.
543 2001-03-15 Mark Mitchell <mark@codesourcery.com>
545 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
547 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
549 * cpp.texi: Update documentation for -include and -imacros.
550 * cppfiles.c (struct include_file): Remove "defined" memeber.
551 (find_or_create_entry): Make a copy of the file name, and
553 (open_file): Update to ensure we use the simplified filename.
554 (stack_include_file): Don't set search_from.
555 (cpp_included): Don't simplify the path name here.
556 (find_include_file): New prototype. Call search_from to
557 get the start of the "" include chain. Don't simplify the
559 (_cpp_execute_include): New prototype. Move diagnostics to
560 do_include_common. Update.
561 (_cpp_pop_file_buffer): Don't set defined.
562 (search_from): New prototype. Use the preprocessor's cwd
563 for files included from the command line.
564 (read_name_map): Don't simplify the pathname here.
565 * cpphash.h (enum include_type): New.
566 (struct buffer): Delete search from. New search_cached.
567 (_cpp_execute_include): Update prototype.
568 * cppinit.c (do_includes): Use _cpp_execute_include.
569 * cpplib.c (do_include_common): New function.
570 (do_include, do_include_next, do_import): Use it.
572 2001-03-14 Mark Mitchell <mark@codesourcery.com>
574 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
575 contents of the RTL, to determine the name of the object.
577 2001-03-14 Mark Mitchell <mark@codesourcery.com>
579 * tree.h (DECL_RTL): Allocate RTL lazily.
580 (SET_DECL_RTL): New macro.
581 (DECL_RTL_SET_P): Likewise.
582 (COPY_DECL_RTL): Likewise.
583 (DECL_RTL_IF_SET): Likewise.
584 * varasm.c (make_decl_rtl): Add assertions about the kind of
585 declaration we are processing.
586 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
587 (start_decl): Likewise.
588 (finish_decl): Likewise.
589 * c-semantics.c (emit_local_var): Likewise.
590 * calls.c (expand_call): Likewise.
591 * dbxout.c (dbxout_symbol): Likewise.
592 * emit-rtl.c (unshare_all_rtl): Likewise.
593 (unshare_all_decls): Likewise.
594 (reset_used_decls): Likewise.
595 * expr.c (store_constructor): Likewise.
596 (safe_from_p): Likewise.
597 (expand_expr): Likewise.
598 * function.c (put_var_into_stack): Likewise.
599 (instantiate_decls_1): Likewise.
600 (assign_parms): Likewise.
601 (expand_function_start): Likewise.
602 (expand_function_end): Likewise.
603 * ggc-common.c (gcc_mark_trees): Likewise.
604 * integrate.c (function_cannot_inline_p): Likewise.
605 (copy_decl_for_inlining): Likewise.
606 (expand_inline_function): Likewise.
607 (integrate_parm_decls): Likewise.
608 (integrate_decl_tree): Likewise.
609 * print-tree.c (print_node): Likewise.
610 * reg-stack.c (stack_result): Likewise.
611 * stmt.c (label_rtx): Likewise.
612 (expand_return): Likewise.
613 (expand_decl): Likewise.
614 (expand_decl_cleanup): Likewise.
615 (expand_anon_union_decl): Likewise.
616 * toplev.c (check_global_declarations): Likewise.
617 (rest_of_decl_compilation): Likewise.
618 * tree.c (simple_cst_equal): Likewise.
619 * objc/objc-act.c (generate_static_references): Likewise.
621 2001-03-14 Zack Weinberg <zackw@stanford.edu>
623 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
624 gcc_AC_C_FLOAT_FORMAT): New macros.
625 * configure.in: Add AC_PROG_CPP after CC tests;
626 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
627 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
628 * configure, config.in: Regenerate.
630 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
631 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
632 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
633 config/i370/xm-linux.h, config/i370/xm-oe.h,
634 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
635 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
636 config/pa/xm-linux.h, config/pa/xm-pa.h,
637 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
638 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
639 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
640 config/we32k/xm-we32k.h: Delete.
642 * config/i370/xm-mvs.h, config/m88k/m88k.h,
643 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
644 config/vax/xm-vms.h: Don't define any of:
645 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
647 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
649 * config.gcc: Remove references to deleted files.
650 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
651 FATAL_EXIT_CODE, which is the same between oe and mvs).
653 2001-03-14 DJ Delorie <dj@redhat.com>
654 Vladimir Makarov <vmakarov@redhat.com>
656 * config/i960/i960.c (i960_function_prologue): Compute size of
657 frame according to number of registers actually saved there.
659 2001-03-14 Richard Henderson <rth@redhat.com>
661 * expr.c (emit_move_insn_1): Fix else if around #endif.
663 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
666 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
669 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
671 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
672 (override_options): Parse cmodel string.
673 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
674 * i386.h (TARGET_OPTIONS): Add "cmodel".
675 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
677 (ix86_cmodel_string, ix86_cmodel): Declare.
679 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
682 * i386.h (GENERAL_REG_P): Add missing REG_P.
684 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
686 * configure.in: Use $gcc_cv_as instead of $as.
687 * configure: Regenerated.
689 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
691 * cppfiles.c (stack_include_file): Only increase the include
692 count if we actually process the file properly, as opposed
693 to treating it as length zero. Only call read_include_file
694 if not DO_NOT_REREAD. Handle the -H include file output
696 (read_include_file): Remove now redundant DO_NOT_REREAD check.
697 (cpp_included, find_include_file): Simplify pathnames after
698 remapping them. If remapping, don't use the remapped file
699 name's buffer as our scratch buffer.
700 (cpp_pop_file_buffer): Replace the multiple include macro
701 only if it isn't yet set.
702 (read_name_map): Simplify remapped names when reading in.
703 (remap_filename): Move code to code path that uses it.
704 (_cpp_simplify_pathname): Return the input pointer.
705 * cpphash.h (_cpp_simplify_pathname): Update prototype.
707 2001-03-14 Mark Mitchell <mark@codesourcery.com>
709 * expr.c (expand_expr): Revove bogus conditional.
711 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
713 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
715 2001-03-14 Jakub Jelinek <jakub@redhat.com>
717 * reg-stack.c (stack_result): Unconditionally use
718 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
720 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
722 * expr.c (emit_move_insn_1): Split push of complex value when
723 no suitable push instruction exist.
725 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
728 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
730 * alias.c (handled_component_p, can_address_p): New functions.
731 (get_alias_set): Use them.
733 2001-03-13 Jim Wilson <wilson@redhat.com>
735 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
736 from 80 in try_locals code.
737 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
739 2001-03-13 Zack Weinberg <zackw@stanford.edu>
741 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
742 gcc_AC_C_LONG_LONG): New.
743 * configure.in: Use them. Probe the size of short, int, long,
744 and long long/__int64 if we have them. Move all the AC_C_*
745 checks together, except gcc_AC_C_CHAR_BIT which has to go
746 after AC_CHECK_HEADERS(limits.h).
747 Take hwint.h out of host_xm_file and build_xm_file.
749 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
750 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
751 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
752 Move the HOST_WIDEST_INT setup logic here from system.h.
753 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
755 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
756 is now handled by hwint.h.
758 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
759 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
760 config/ia64/xm-ia64.h: Don't define any of:
761 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
762 HOST_BITS_PER_LONGLONG.
764 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
765 config/h8300/xm-h8300.h, config/mips/iris6.h,
766 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
767 config/sparc/xm-sp64.h: Delete.
768 * config.gcc: Remove references to deleted files.
770 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
771 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
772 * config/i370/xm-linux.h: Clarify floating-point situation in
775 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
777 * cppfiles.c (NO_INCLUDE_PATH): New macro.
778 (find_include_file): Decide here which part of the include
779 chain to start the search. Complain about an empty include
780 chain in all cases apart from an abolsute file name.
781 (_cpp_execute_include): Don't choose the search chain here.
782 Don't call handle_missing_include in the case of an empty
784 (_cpp_compare_file_date): Don't choose the search chain here.
785 * cpplib.c (do_include_next): Move the in-main-file diagnostic
786 here from _cpp_execute_include. Behave like #include if
787 we're in the main file.
789 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
791 * system.h (malloc, realloc, calloc, strdup): Only poison these
792 tokens when IN_GCC is defined.
794 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
796 * i386.md (abs?f expander): Support SSE case.
797 (abd?f_if): Add new "USE"; add splitters.
799 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
801 * cpp.texi (poison): Explain the macro expansion exception.
803 2001-03-13 Jakub Jelinek <jakub@redhat.com>
805 * expr.c (store_expr): Add dont_store_target. If temp is already in
806 target before copying to reg, don't store it into target again.
808 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
810 * cppinternals.texi: Update for file handling.
812 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
814 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
815 2001-02-24 which broke building the Java library.
816 * function.c (identify_blocks): Likewise.
817 (all_blocks): Likewise.
818 * integrate.c (integrate_decl_tree): Likewise.
819 * print-tree.c (print_node): Likewise.
820 * tree.h (BLOCK_NUMBER): Likewise.
821 (struct tree_block): Likewise.
823 2001-03-12 David Edelsohn <edelsohn@gnu.org>
825 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
826 __WCHAR_TYPE__ definition.
827 (WCHAR_TYPE_SIZE): #undef before #define.
829 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
831 * cppfiles.c: Update comments.
832 (destroy_include_file_node): Rename destroy_node.
833 (find_or_create_entry): New function.
834 (open_file, _cpp_fake_include): Use it.
835 (handle_missing_header): New function, broken out of
836 _cpp_execute include. Don't segfault if there is no
837 system or quoted path.
838 (_cpp_execute_include): Use handle_missing_header.
840 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
842 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
843 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
845 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
847 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
848 unless anti_dependence says they are.
849 * alias.c (objects_must_conflict): If neither has a type specified,
852 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
853 David Billinghurst <David.Billinghurst@riotinto.com>
855 * config/mips/iris5.h: Change WCHAR_TYPE to int.
857 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
859 * i386.md (trunctfdf2_2): Rename missnamed pattern.
860 (*_one_bit): Remove type on the match_operand in attributes.
862 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
864 * i386.c: Commit forgotten hunk in previous patch.
865 (regclass_map): Add extended registers.
866 (dbx_register_map): Add missing frame register.
868 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
870 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
872 * i386.md (x86_sahf_1): Disable for 64bit.
873 (popsi*, pophi*): Likewise.
874 (pushqi, pushhi): Likewise.
875 (movdi, pushdi): Likewise.
876 (zero extend DImode splitter): Likewise.
877 (adddi, minusdi splitter): Likewise.
878 (umulsidi): Likewise.
880 (mulsidi): Disable for 64bit
881 (lshift:DI/ashift:DI): Disable for 64bit.
882 (loop patterns): Likewise.
883 (call_pop, call_value_pop expanders and patterns): Likewise.
884 (prologue_get_pc): Likewise.
886 (fcmovDI pattern and splitter): Likewise.
887 (movdfcc_1_rex64): New.
889 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
891 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
892 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
893 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
894 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
895 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
896 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
897 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
898 (PUSH_ROUNDING): x86_64 rounds to 64bits.
899 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
900 (REGPARM_MAX): Set to 6 for x86_64.
901 (SSE_REGPARM_MAX): Set to 16 for x86_64.
902 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
905 * (patterns that does use upper halves): Update constraints
906 'q' to 'Q' and 'r' to 'R'.
907 (cmpqi_ext_1): Disable for 64bit.
908 (cmpqi_ext_3_insn): Likewise.
909 (movqi_extzv_1): Likewsie.
910 (addqi_ext_1): Liekwsie
911 (testqi_ext_1): Liekwsie
912 (andqi_ext_1): Liekwsie
913 (xorqi_ext_1): Liekwsie
914 (cmpqi_ext_1_rex64): New.
915 (cmpqi_ext_3_insn_rex64): Likewise.
916 (movqi_extzv_1_rex64): Likewsie.
917 (addqi_ext_1_rex64): Liekwsie
918 (testqi_ext_1_rex64): Liekwsie
919 (andqi_ext_1_rex64): Liekwsie
920 (xorqi_ext_1_rex64): Liekwsie
922 2001-03-11 Zack Weinberg <zackw@stanford.edu>
924 * configure.in: Move check for unsigned enumerated bitfields
925 to macro in aclocal.m4. Disable it for now.
926 * configure, config.in: Regenerate.
927 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
928 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
929 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
930 kind above its first use.
932 * config/xm-interix.h, config/alpha/xm-alpha.h,
933 config/i370/xm-linux.h, config/i386/xm-beos.h,
934 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
935 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
936 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
937 Don't define ONLY_INT_FIELDS under any circumstances.
939 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
941 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
942 config/sparc/xm-sysv4.h: Delete - now identical with some
944 * config.gcc (hppa targets): Replace xm-pahpux.h and
945 xm-papro.h with implicit xm-pa.h.
946 (sparc targets): Replace xm-sysv4.h with implicit or explicit
949 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
951 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
952 before reload_cse_noop_set_p.
954 2001-03-11 Zack Weinberg <zackw@stanford.edu>
956 * config.gcc: Where xm-host.h used to include another
957 xm-host.h, list the nested header directly in xm_file. Remove
958 references to deleted files. Can now use sparc/xm-sp64.h for
961 * config/xm-linux.h, config/arm/xm-linux.h,
962 config/i386/xm-dos.h, config/i386/xm-gnu.h,
963 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
964 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
965 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
966 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
969 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
970 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
971 bother to wrap #undef in #ifdef.
972 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
973 Don't include xm-linux.h.
974 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
976 * configure.in: Wrap regexps using [] in changequote block.
977 Use expr : not echo | grep. Simplify regexps.
978 * configure: Regenerate.
980 56 xm-files remain, 22 xm-arch.
982 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
984 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
985 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
986 (local_index, local_rindex): Delete, use strchr/strrchr instead.
987 (copy_object): Fix format specifier vs argument mismatch.
989 * mips-tdump.c: Make local functions static.
990 (rindex): Don't #undef.
991 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
992 (fatal, fancy_abort): Delete.
993 (read_seek): Avoid signed/unsigned compare.
995 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
997 * combine.c (try_combine): Fix error in change to try original
999 (gen_rtx_combine): Do same as gen_rtx for now.
1001 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1003 * configure.in: AC_SUBST xm_defines.
1004 * configure: Regenerate.
1005 * Makefile.in: Set DEFINES=$(xm_defines) when building
1008 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1010 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1011 (cpp_included, find_include_file): Update.
1012 (_cpp_compare_file_date): Make else unconditional.
1014 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1016 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1018 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1020 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1021 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1023 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1025 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1026 if it's a record type.
1028 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1030 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1031 mingw includes slightly.
1033 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1035 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1036 #undef token before poisoning it.
1038 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1040 * alpha.c (check_float_value): Use memcpy, not bcopy.
1042 * m32r.c (m32r_sched_reorder): Likewise.
1044 * vax.c (check_float_value): Likewise.
1046 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1048 * toplev.c (file_name_nondirectory): Remove.
1049 * toplev.h: Similarly.
1050 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1051 of file_name_nondirectory.
1053 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1055 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1056 * mips-tfile.c: Don't #undef rindex; not used.
1058 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1060 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1061 (dbx64_register_map): Declare.
1062 (RETURN_ADDR_RTX): Fix for 64bit.
1063 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1064 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1065 * i386.c (dbx64_register_map): New global array.
1066 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1067 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1070 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1072 * cppfiles.c (search_from): Use lbasename.
1073 * mkdeps.c (deps_add_default_target): Use lbasename.
1075 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1077 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1078 xcalloc in lieu of malloc, realloc & calloc.
1080 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1082 * gengenrtl.c (xmalloc): Likewise.
1084 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1085 really_call_* memory allocation routines.
1087 * stmt.c (check_for_full_enumeration_handling): Use
1088 really_call_calloc, not calloc.
1090 * system.h (really_call_malloc, really_call_calloc,
1091 really_call_realloc): Define.
1092 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1094 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1096 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1098 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1100 * configure: Rebuilt.
1101 * configure.in: Only use `lang_requires' for languages athat are
1104 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1106 * invoke.texi: Fix typo.
1107 * gcc.1: Regenerate.
1109 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1111 * configure.in: Prune nonexistent files from build_xm_file,
1112 xm_file, and host_xm_file lists. Warn unless they're
1114 Don't generate *config.h here.
1115 AC_SUBST all variables needed to generate *config.h.
1116 * configure: Regenerate.
1117 * mkconfig.sh: New helper script, from code removed from
1119 * Makefile.in: Zap all MALLOC variables - no longer used
1120 anywhere, and malloc.c doesn't exist.
1121 Substitute in variables needed to generate *config.h.
1122 Stop lying about the dependencies contained in CONFIG_H and
1124 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1125 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1126 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1127 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1128 $(TM_P_H), etc. as appropriate.
1130 * config.gcc: Zap references to deleted files.
1131 * ggc-none.c: Don't include rtl.h or tm_p.h.
1133 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1134 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1135 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1136 config/i386/xm-linux.h, config/i386/xm-linux.h,
1137 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1138 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1139 Don't include i386/xm-i386.h.
1141 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1142 config/i386/xm-i386.h, config/i860/xm-i860.h,
1143 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1144 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1145 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1146 Delete (empty except comments, #includes of other deleted
1147 files, and macros used nowhere).
1149 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1151 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1152 independent on TARGET_FLAGS.
1154 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1156 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1158 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1160 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1162 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1163 LAST_REX_SSE_REG): define.
1164 (enum reg_class): Add 'LEGACY_REGS'
1165 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1166 (SSE_REGNO_P): Recognize extended registers.
1167 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1168 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1169 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1170 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1171 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1172 REG_OK_FOR_STRREG_P): Remove.
1173 (HI_REGISTER_NAMES): Add extended registers.
1174 (ADDITIONAL_REGISTER_NAMES): Likewise.
1175 (QI_REGISTER_NAMES): Add 8bit extended registers.
1176 (DEBUG_REG): Support extended registers.
1177 * i386.c (regclass_map): Add extended registers.
1178 (dbx_register-map): Likewise.
1179 (svr4_dbx_register_map): Likewise.
1180 (print_reg): Support extended registers.
1181 (print_operand): Support 64bit operands.
1183 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1185 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1186 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1187 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1188 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1189 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1190 STACK_BOUNDARY): Set properly for 64bits.
1191 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1192 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1193 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1194 (MOVE_MAX): Set to 16.
1195 (MOVE_MAX_PIECES): 8 for 64bit.
1196 (Pmode): Set to SImode.
1198 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1200 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1202 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1204 * i386.h (mask_64bit): New constant.
1205 (target_64bit): New macro.
1206 (target_options): Add '64'/'32'
1207 (target_default): Define.
1208 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1209 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1210 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1212 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1214 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1216 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1218 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1219 LO_SUM unless for_alias is set.
1221 2001-03-08 Stan Shebs <shebs@apple.com>
1223 * objc/objc-act.c: Fix old typos in comments, add comments for
1225 (hash_init): Fix file name in error message.
1226 (hash_enter): Ditto.
1227 (hash_add_attr): Ditto.
1228 (continue_class): Ditto.
1230 2001-03-08 Bruce Korb <bkorb@gnu.org>
1232 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1233 wait4() can receive the signal.
1235 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1237 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1239 * fixinc/fixincl.x: Regenerate.
1241 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1243 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1245 * fixinc/fixincl.x: Regenerate.
1247 2001-03-08 Richard Henderson <rth@redhat.com>
1249 * configure.in (HAVE_AS_LEB128): New assembler check.
1250 * configure, config.in: Rebuilt.
1252 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1254 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1257 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1259 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1260 references to the MAXPATHLEN macro.
1262 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1263 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1266 * config/i386/xm-gnu.h, config/xm-gnu.h,
1267 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1268 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1269 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1270 and/or unused files.
1272 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1273 doing so in various xm-*.h files.
1275 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1277 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1279 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1281 * configure.in (enable_shared): Support per-package shared-library
1283 * configure: Rebuilt.
1285 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1287 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1288 for crnot. Set operands[5] in splitter.
1290 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1292 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1293 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1294 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1295 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1296 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1297 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1298 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1301 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1302 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1303 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1304 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1305 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1306 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1307 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1308 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1309 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1310 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1311 Delete unused and/or empty files.
1313 * config.gcc: Define USG in xm_defines as appropriate. Define
1314 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1315 macro. Remove deleted xm-* files from $xm_files variable.
1317 2001-03-07 Tom Tromey <tromey@redhat.com>
1319 * configure: Rebuilt.
1320 * configure.in: Allow config-lang.in to set `lang_requires' to list
1321 of other required languages.
1323 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1325 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1327 (output_prologue): Use xmalloc not oballoc.
1328 (output_epilog): Free a29k_first_epilogue_insn when finished.
1329 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1331 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1333 * builtins.c (expand_builtin_mathfn): Check
1334 flag_unsafe_math_optimizations, not flag_fast_math.
1335 (expand_builtin): Likewise
1336 * combine.c (combine_simplify_rtx): Likewise.
1337 (simplify_if_then_else): Likewise.
1338 * cse.c (fold_rtx): Likewise.
1339 * flags.h: Remove flag_fast_math. Add
1340 flag_unsafe_math_optimizations and flag_trapping_math.
1341 * fold-const.c (negate_expr): Check
1342 flag_unsafe_math_optimizations, not flag_fast_math.
1343 (invert_truthvalue): Likewise.
1344 (fold): Likewise. Before associating operands, check that
1345 code == MULT_EXPR, not code != MULT_EXPR.
1346 * ifcvt.c (noce_try_minmax): Check
1347 flag_unsafe_math_optimizations, not flag_fast_math.
1348 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1349 * invoke.texi: Document -funsafe-math-optimizations and
1350 -fno-trapping-math. Change documentation for -ffast-math.
1351 * jump.c (reversed_comparison_code_parts): Likewise.
1352 (rtx_equal_for_thread_p): Likewise.
1353 * optabs.c (emit_conditional_move): Likewise.
1354 * simplify-rtx.c (simplify_binary_operation): Likewise.
1355 (simplify_relational_operation): Likewise.
1356 (simplify_ternary_operation): Likewise.
1357 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1358 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1359 Add trapping-math and unsafe-math-optimizations entries to f_options.
1360 (set_fast_math_flags): New, sets flags for -ffast-math.
1361 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1362 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1363 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1365 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1366 (alpha_emit_conditional_move): Initialize local_fast_math to
1367 flag_unsafe_math_optimizations, not flat_fast_math.
1368 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1369 instead of setting flag_fast_math to 1.
1370 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1372 * config/i386/i386.c (override_options): Likewise
1373 * config/i386/i386.md: Likewise.
1374 * config/m68k/m68k.md: Likewise.
1375 * config/mips/mips.md: Likewise.
1376 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1377 (rs6000_generate_compare): Likewise.
1379 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1381 * Makefile.in: Set RANLIB to @RANLIB@.
1384 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1386 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1387 * fixinc/fixincl.x: Regenerated.
1389 2001-03-07 Richard Henderson <rth@redhat.com>
1391 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1393 2001-03-07 Richard Henderson <rth@redhat.com>
1395 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1396 of block notes and exception handling notes.
1398 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1399 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1400 (compile_file): ... here.
1402 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1404 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1406 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1407 config.h now. Include libiberty.h to handle alloca.
1409 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1411 * c-parse.in (yylexname): New function, split out of _yylex.
1412 (objc_rid_sans_at): New table.
1413 (init_reswords): Initialize it.
1414 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1415 retrieving the next token and checking it for significance as
1416 an ObjC keyword or string constant.
1418 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1419 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1421 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1424 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1426 * config/m68k/m68k.c (const_uint32_operand): Accept any
1427 const_int on a 32-bit host.
1429 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1431 * objc/objc-act.c (init_objc): Set save_lang_status,
1432 restore_lang_status, and mark_lang_status.
1434 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1436 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1438 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1440 * cppinternals.texi: Update.
1442 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1444 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1445 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1446 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1447 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1448 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1449 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1450 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1451 config/i386/xm-i386.h, config/i860/xm-i860.h,
1452 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1453 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1454 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1455 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1456 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1457 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1458 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1459 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1460 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1461 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1462 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1463 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1464 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1465 match the defaults provided in hwint.h.
1467 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1468 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1470 * config.gcc (xm_file): Don't set to files which are deleted.
1472 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1473 guard this file against these macros being undefined.
1475 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1477 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1478 and DECL_DEFER_OUTPUT on the decl we create, before calling
1479 rest_of_decl_compilation.
1481 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1483 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1485 * configure, config.in: Regenerate.
1486 * config.gcc: Remove references to deleted files.
1488 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1489 genrecog.c, rtl.c: Do not use alloca anywhere.
1491 * Makefile.in, build-make, system.h, config/x-interix,
1492 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1493 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1494 config/arc/xm-arc.h, config/arm/xm-arm.h,
1495 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1496 config/h8300/xm-h8300.h, config/i370/x-oe,
1497 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1498 config/i386/x-ncr3000, config/i386/x-sco5,
1499 config/i386/xm-dgux.h, config/i860/x-sysv4,
1500 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1501 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1502 config/m68k/x-hp320g, config/m69k/x-mot3300,
1503 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1504 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1505 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1506 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1507 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1508 config/mips/x-iris, config/mips/x-iris3,
1509 config/mips/x-sni-svr4, config/mips/x-sysv,
1510 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1511 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1512 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1513 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1514 config/pa/xm-papro.h, config/romp/xm-romp.h,
1515 config/rs6000/x-aix31, config/rs6000/x-aix41,
1516 config/rs6000/x-beos, config/rs6000/x-lynx,
1517 config/rs6000/x-mach, config/rs6000/x-rs6000,
1518 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1519 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1520 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1521 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1522 config/vax/xm-vms.h: Eradicate all references to alloca and
1525 * config/xm-alloca.h, config/clipper/x-clix,
1526 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1527 config/i860/x-sysv3, config/m88k/x-sysv3,
1528 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1529 (contained only alloca related hacks).
1531 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1534 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1536 * invoke.texi: Document __FAST_MATH__.
1538 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1540 * crtstuff.c: Restore include of auto-host.h.
1542 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1544 Put main() in a separate file, so that the language
1545 front-end can use a different main().
1548 * toplev.c: (main): Rename as toplev_main.
1549 * toplev.h: Declare toplev_main.
1550 * Makefile.in (OBJS): add toplev.o.
1551 (BACKEND): remove toplev.o, add main.o.
1553 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1555 * cppfiles.c (search_from): Special case the empty string.
1557 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1560 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1561 strlen or strcpy; we already know the length.
1562 (_cpp_compare_file_date): Similarly.
1563 * cpphash.h (struct cpp_reader): Delete done_initialising.
1564 (CPP_PREV_BUFFER): Delete.
1565 * cppinit.c (cpp_start_read): Don't set done_initialising.
1566 * cpplex.c (parse_string): Guarantee null-termination.
1567 (_cpp_equiv_toklists): Remove.
1568 * cpplib.c (glue_header_name): Null-terminate.
1569 (do_line): Don't leak memory.
1570 * cpplib.h (BT_WEAK): Delete.
1571 * cppmain.c (cb_ident): Strings are now null-terminated.
1573 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1575 * gcc.c (convert_filename): Append executable suffix
1576 if NO_AUTO_EXE_SUFFIX is not defined.
1577 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1578 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1580 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1582 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1583 * c-parse.gperf, c-gperf.h: Delete.
1584 (c-gperf.h was accidently re-added to the CVS repo in the rev
1585 1.16 commit by tromey)
1587 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1589 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1590 macro arguments when looking for the '('.
1591 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1592 2 when really parsing arguments; 1 when looking for '('.
1593 Always restore the lexer position.
1595 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1597 * longlong.h (umul_ppmm): Don't use a multiline string.
1599 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1601 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1602 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1603 t_bool in declaration because pcc can't combine volatile with typedef
1606 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1608 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1609 until when it is really needed.
1610 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1611 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1612 * i386.md (float?i?f splitter): Don't force source operand to memory
1614 (sse_movdfcc): Fix constraint.
1615 (sse_movdfcc splitter): Handle properly the second alternative.
1617 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1619 * cpplex.c (parse_string): Unconditionally pedwarn.
1621 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1624 * cppexp.c (parse_number): Update.
1625 * cpplex.c (parse_string): Pedwarn if multiline string does not
1626 result from a system header's macro.
1627 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1628 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1629 for function-like macros too.
1630 * c-lex.c (lex_number): Update.
1632 2001-03-03 Richard Henderson <rth@redhat.com>
1634 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1636 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1638 * combine.c (try_combine): If split with mode-changed scratch
1639 register didn't work, try the original mode.
1641 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1643 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1644 * config/c4x/c4x.h: Likewise.
1645 * stor-layout.c (compute_record_mode): Likewise.
1646 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1648 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1650 * configure.in: Kill tm.h. Include the files in the $tm_file
1651 list in all three of config.h, hconfig.h, tconfig.h, after the
1652 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1653 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1654 * configure: Regenerate.
1655 * Makefile.in (clean): Don't delete tm.h.
1657 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1658 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1659 those are not defined, set SEC and FEC to 0 and 1.
1660 * gcc.texi: Update to match.
1662 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1663 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1664 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1665 Include tconfig.h, not tm.h.
1667 * config/xm-lynx.h, config/xm-std32.h,
1668 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1669 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1670 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1671 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1672 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1673 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1674 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1675 config/i386/xm-i386.h, config/i860/xm-i860.h,
1676 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1677 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1678 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1679 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1680 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1681 config/pa/xm-linux.h, config/pa/xm-pa.h,
1682 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1683 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1684 config/pj/xm-pj.h, config/romp/xm-romp.h,
1685 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1686 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1687 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1688 config/v850/xm-v850.h, config/vax/xm-vax.h,
1689 config/we32k/xm-we32k.h:
1691 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1693 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1694 config/i370/xm-oe.h: Don't include tm.h. Don't define
1696 * config/vax/xm-vms.h: Don't include tm.h.
1698 * config/xm-lynx.h, config/avr/xm-avr.h,
1699 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1700 Delete; made empty by above changes.
1701 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1702 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1703 Don't include config/xm-lynx.h or tm.h.
1705 * config/xm-gnu.h: Don't include fcntl.h.
1706 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1708 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1710 2001-03-02 Richard Henderson <rth@redhat.com>
1712 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1713 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1715 2001-03-02 Richard Henderson <rth@redhat.com>
1717 * Makefile.in (OBJS): Add dwarf2asm.o.
1718 * dwarf2asm.c, dwarf2asm.h: New files.
1719 * dwarf2out.c (*): Use them.
1720 (size_of_uleb128, size_of_sleb128): Remove.
1721 (output_uleb128, output_sleb128): Remove.
1722 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1723 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1724 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1725 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1726 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1727 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1728 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1729 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1730 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1731 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1732 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1733 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1734 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1735 (dwarf2out_frame_debug): Remove unused variables.
1736 (output_loc_operands): Don't abort on 8 byte constants if
1737 host integers are wide enough.
1738 (output_symbolic_ref): Remove.
1739 (size_of_die): Don't assume 4 byte host integers.
1740 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1742 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1743 something stupid with HOST_WIDE_INT to long truncation.
1744 [CONST_DOUBLE]: Likewise.
1746 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1747 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1748 * config/arm/unknown-elf.h: Likewise.
1749 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1750 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1751 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1752 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1753 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1754 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1755 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1756 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1757 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1758 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1759 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1760 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1762 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1764 * cselib.c (hash_rtx): Cast enums to unsigned int.
1766 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1768 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1769 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1771 * c-format.c (C_STD_VER): Cast to int for comparisons.
1772 (check_function_format): Cast various enums to int for &.
1773 (maybe_read_dollar_number): Likewise.
1774 (check_format_info): Likewise.
1775 (check_format_info_main): Likewise.
1776 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1777 (safe_from_p): Likewise.
1778 * varasm.c (const_hash): Cast enum to int for %.
1779 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1780 pcc enum problems with < and ++ operators.
1781 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1782 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1783 (regclass_init): Change enum class to int to iterate over reg_classes.
1784 * genrecog.c (merge_trees): Cast enums for comparison.
1785 * rtl.h (GET_CODE): Cast to enum rtx_code.
1786 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1787 (GET_MODE): Cast to enum machine_mode.
1788 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1789 (GET_NOTE_INSN_NAME): Cast enum to int.
1790 * tree.h (TREE_CODE): Cast to enum tree_code.
1791 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1792 * timevar.c (timevar_print): Change loop variable id from enum to
1794 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1795 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1796 * toplev.c (compile_file): Cast enum DFI to int.
1797 (decode_d_option): Likewise.
1799 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1801 * cppinit.c (append_include_chain): Mark "after" include file name list
1802 as a system directory.
1803 * cpp.texi: Document new behavior.
1805 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1807 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1809 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1811 * cppfiles.c (struct include_file): Update.
1812 (stack_include_file): Use search_from.
1813 (cpp_included, find_include_file): Update.
1814 (cpp_execute_include): Update. ptr->name may not be
1815 null terminated. Use the new search_from member variable
1817 (_cpp_compare_file_date): Similarly.
1818 (search_from): New function, similiar to actual_directory.
1819 (actual_directory): Delete.
1820 (remap_filename): Update. loc->name may not be null terminated.
1821 (struct file_name_list): Rename search_path. Update.
1822 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1823 search_from and dir.
1824 (struct cpp_reader): Remove actual_dirs.
1825 * cppinit.c (struct cpp_pending): Update for renamed objects.
1826 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1827 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1828 * cpplib.h (struct cpp_options): Similarly.
1830 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1832 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1833 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1834 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1835 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1836 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1837 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1838 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1839 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1840 config/i370/xm-oe.h, config/i386/xm-aix.h,
1841 config/i386/xm-i386.h, config/i386/xm-osf.h,
1842 config/i860/xm-i860.h, config/i960/xm-i960.h,
1843 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1844 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1845 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1846 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1847 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1848 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1849 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1850 config/pj/xm-pj.h, config/romp/xm-romp.h,
1851 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1852 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1853 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1854 config/v850/xm-v850.h, config/vax/xm-vax.h,
1855 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1856 Do not define TRUE or FALSE.
1858 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1859 empty by above change.
1860 * config.gcc: Remove references to these files.
1862 * configure.in: Detect stdbool.h.
1863 * configure, config.in: Regenerate.
1864 * system.h: Include stddef.h here if available.
1865 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1866 Then set up a sensible boolean type at the very end.
1868 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1869 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1871 * hash.h: Delete 'boolean' typedef and related #undefs.
1873 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1874 all uses of 'boolean' with 'bool'.
1876 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1878 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1879 * cppexp.c (lex): Cast enums for comparison.
1880 * cppinit.c (parse_option): Cast enum for comparison.
1881 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1882 (cpp_output_token): Likewise.
1883 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1884 (cpp_avoid_paste): Cast enums for minus and comparison.
1886 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1888 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1889 field to all array elements.
1891 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1893 * cpphash.h (struct cpp_reader): Add print_version field.
1894 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1895 just set print_version and other flags as appropriate.
1896 (cpp_post_options): Print version here if print_version is set.
1898 * toplev.c (exit_after_options): New flag.
1899 (independent_decode_option): Don't exit here; just set
1901 (main): Exit after calling lang_hooks.post_options if
1902 exit_after_options is true.
1904 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1905 (merge_include_chains): Adjust comment to match code.
1907 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1909 * stringpool.c (set_identifier): New function.
1910 * tree.h: Prototype it.
1912 * c-parse.in: Kill D_YES. If compiled for objc, call
1913 save_and_forget_protocol_qualifiers from init_reswords.
1914 * objc/objc-act.c (remember_protocol_qualifiers,
1915 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1916 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1918 (save_and_forget_protocol_qualifiers): New function.
1919 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1921 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1923 * c-semantics.c (prune_unused_decls): Return error_mark_node
1924 instead of (tree) 1 to stop traversing the tree chain.
1926 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1928 Fix a problem introduced by Kenner's Feb 18 change.
1929 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1930 flag_cse_skip_blocks only temporarily, not for ever.
1932 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1934 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1935 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1937 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1938 before determining its register class.
1940 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1942 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1943 from reg 4 if current_function_calls_setjmp.
1944 (gen_nop_type): New function.
1945 (ia64_emit_nops): New function.
1946 (ia64_reorg): Call it.
1947 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1949 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1950 code not to try to optimize adds with anything but a REG destination.
1952 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1953 (INSN_PRIORITY_KNOWN): New accessor macro.
1954 * haifa-sched.c (priority): Use it instead of testing priority against
1957 2001-02-28 DJ Delorie <dj@redhat.com>
1959 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1960 since that doesn't work the way gcc wants on a generic m68k.
1962 2001-02-28 Richard Henderson <rth@redhat.com>
1964 * caller-save.c (save_call_clobbered_regs): Fix typo in
1965 comparison last change.
1967 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1969 * i386.c (pentium4_cost): New.
1970 (m_PENT4): New macro.
1971 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1972 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1973 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1974 x86_memory_mismatch_stall): Add Pentium4
1975 (x86_use_q_reg, x86_use_any_reg): Kill.
1976 (override_options): Add pentium4.
1977 (incdec_operand): Return 0 for pentium4.
1978 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1979 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1980 (TARGET_PENTIUM4): Define.
1981 (enum processor_type): Add PROCESSOR_PENTIUM4.
1982 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1983 * i386.md (attribute "cpu"): Add pentium4.
1984 * invoke.texi (march): Add pentium4.
1986 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1988 * i386.md (sse_mov?fcc*): New patterns and splitters.
1989 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1990 the SSE based conditional moves.
1992 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1994 * i386.md (attribute mode): Add "TI".
1995 (movsf_1): Add pxor support; remove constant propagation splitter.
1996 (movdf_integer): Likewise.
1997 (movdf_nointeger): Likewise.
1998 (movxf constant prop splitter): Handle all modes; update for SSE.
1999 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2000 * i386.c (standard_80387_constant_p): Rewrite.
2001 (standard_sse_constant_p): New.
2002 * i386-protos.h (standard_sse_constant_p): New.
2004 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2006 * i386.md (sse_setccsf, sse_setccdf): New.
2007 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2009 * i386.c (sse_comparison_operator): Accept the supported unordered
2010 comparses; be ready for fast_math.
2011 (print_operand): Support 'D'.
2013 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2015 * jump.c (reversed_comparison_code): Kill.
2017 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2019 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2022 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2024 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2025 add missing '%' in constraints.
2027 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2029 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2030 for HOST_BITS_PER_WIDE_INT == 32 too.
2032 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2034 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2036 (insert_save, insert_restore): New parameter save_mode.
2037 (init_caller_save): Update initialization of reg_save_code
2038 and reg_restore_code.
2039 (save_call_clobbered_regs): Compute save_modes and update calls to
2040 reg_save_code and reg_restore_code.
2041 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2042 of spill; update use of reg_restore_code.
2043 (insert_save): Likewise.
2044 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2045 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2046 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2048 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2050 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2051 noce_try_store_flag_inc, noce_try_store_flag_mask,
2052 noce_try_cmove_arith):
2053 Use reversed_comparison_code instead of reverse_comparison and
2054 can_reverse_comparison_p.
2056 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2058 * jump.c (reversed_comparison_code_parts): Allow reversal of
2059 unordered compares in -ffast-math mode; reverse ordered compares
2060 for FP even w/o -ffast-math.
2062 2001-02-27 Richard Henderson <rth@redhat.com>
2064 * print-rtl.c (print_rtx) [i]: Don't print field five on
2065 NOTEs other than NOTE_INSN_DELETED_LABEL.
2067 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2069 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2070 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2072 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2074 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2075 even if walk_subtrees is 0.
2076 * c-semantics.c (prune_unused_decls): Return a non-null value to
2077 stop traversing the tree chain.
2079 2001-02-27 DJ Delorie <dj@redhat.com>
2081 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2082 register, *then* define it as the new CFA.
2084 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2086 * pa.c (override_options): Promote -fpic to -fPIC.
2087 (legitimize_pic_address): Simplify due to removal of
2088 small PIC as a code generation option.
2089 (secondary_reload_class): Similarly.
2090 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2091 (PRINT_OPERAND_ADDRESS): Similarly.
2092 * pa.md (various patterns): Similarly.
2093 (small pic lo_sum pattern): Remove.
2095 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2098 * md.texi (min, max): Document
2100 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2102 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2103 TARGET_PARTIAL_REG_DEPENDENCY.
2104 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2106 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2108 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2110 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2112 * mips.c (mips_make_temp_file): Fix thinko in last change.
2114 2001-02-26 Jason Eckhardt <jle@redhat.com>
2116 * combine.c (known_cond): Do not reverse the condition when
2117 SMAX/UMAX is being considered and the condition is for equality
2120 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2122 2001-02-26 Philip Blundell <philb@gnu.org>
2124 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2126 * config/arm/linux-elf.h: Remove historical relics related to
2127 above configurations.
2128 * config/arm/linux-oldld.h: Delete.
2129 * config/arm/linux-elf26.h: Delete.
2131 2001-02-26 Jason Merrill <jason@redhat.com>
2133 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2135 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2136 recognize a tentative definition. Lose obsolete code.
2138 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2139 variables unless necessary, either.
2141 2001-02-25 Richard Henderson <rth@redhat.com>
2143 * ifcvt.c (struct noce_if_info): Add test_bb.
2144 (noce_get_alt_condition): New.
2145 (noce_try_minmax, noce_try_abs): New.
2146 (noce_operand_ok): New.
2147 (noce_process_if_block): Use them.
2148 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2150 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2152 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2155 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2157 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2158 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2160 (mips_asm_file_end): Free temp_filename here.
2162 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2164 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2165 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2167 * config/i386/i386.md (movstrsi): Handle FAIL case.
2169 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2171 * cppinit.c (builtin_array): Update.
2172 (init_builtins): Flag builtins to warn if redefined or
2173 undefined. Define __GXX_WEAK as a normal macro.
2174 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2175 * cpplib.h (NODE_WARN): New flag.
2176 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2177 Handle __STDC__ as a builtin only on Solaris.
2178 (warn_of_redefinition): Renamed from check_macro_definition.
2179 Reverse sense of test. Always warn if NODE_WARN.
2180 (_cpp_create_definition): Use warn_of_redefinition. Flag
2181 any macro beginning with "__STDC_" to require a mandatory
2182 warning if redefined or undefined.
2184 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2186 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2187 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2188 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2189 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2190 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2191 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2192 Don't define any of:
2193 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2194 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2195 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2196 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2197 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2199 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2200 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2203 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2204 Delete now-empty file.
2206 * alpha/vms.h: Define NEED_ATEXIT here...
2207 * alpha/xm-vms.h: ...not here.
2209 * i386/cygwin.h: Don't define PARAMS.
2210 * mips/mips.c: Don't prototype mktemp. Don't define
2211 P_tmpdir. Use make_temp_file to create temporary files.
2212 Don't be clever and delete temporary files early.
2213 * config.gcc: Drop references to deleted files. Don't define
2215 * gcc.texi: Don't mention USE_PROTOTYPES.
2217 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2219 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2220 (ix86_set_move_mem_attrs_1): Likewise.
2221 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2222 * config/i386/i386.md (movstrsi): Call it.
2224 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2226 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2227 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2228 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2229 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2231 (i750a-*-*): Error here if hosting on i750a.
2232 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2234 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2235 Remove (empty modulo comments).
2237 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2238 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2239 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2240 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2241 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2242 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2244 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2245 Remove reference to winnt.h in comment.
2246 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2248 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2250 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2251 used to set another biv.
2253 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2255 * tree.h (BLOCK_DEAD): New macro.
2256 (struct tree_block): New flag, dead_flag.
2257 * print-tree.c (print_node, case 'b'): Print missing fields.
2258 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2259 * function.c (identify_blocks): Enable test for misplaced notes.
2260 (all_blocks): Skip BLOCK_DEAD blocks.
2261 * integrate.c (integrate_decl_tree): Likewise.
2263 * errors.c (internal_error, trim_filename): New functions.
2264 (fancy_abort): Call internal_error.
2265 * errors.h (internal_error, trim_filename): New declarations.
2267 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2269 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2271 (EXTRA_CONSTRAINT): Formatting changes.
2273 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2275 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2277 2001-02-23 Per Bothner <per@bothner.com>
2279 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2280 so they can be called from java/jvspec.c.
2281 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2283 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2285 * i386.c (ix86_frame): New structure.
2286 (ix86_compute_frame_size): Kill.
2287 (ix86_compute_frame_layout): New.
2288 (ix86_save_reg): New.
2289 (ix86_can_use_return_insn_p): Use frame layout stuff.
2290 (ix86_expand_prologue): Likewise.
2291 (ix86_expand_epilogue): Likewise.
2292 (ix86_initial_elimination_offset): Likewise.
2293 (ix86_nsaved_regs): Use ix86_save_reg.
2294 (ix86_emit_save_regs): Likewise.
2296 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2298 * flow.c (find_sub_basic_blocks): New function.
2299 (split_block): Be ready for basic block introduced by CODE_LABEL.
2300 (commit_one_edge_insertion): Call find_sub_basic_block.
2302 * flow.c (make_edges): Add edge from entry for blocks starting with
2303 label having ALTERNATE_NAME
2305 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2307 * function.c (epilogue_done): Be ready for first basic block not
2308 containing PROLOGUE_END note.
2309 (reposition_prologue_and_epilogue_notes): Avoid placing
2310 PROLOGUE_END note between BASIC_BLOCK.
2312 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2314 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2316 2001-02-21 DJ Delorie <dj@redhat.com>
2318 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2319 check for current_function_has_nonlocal_goto from 1999-11-12.
2321 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2323 * diagnostic.c (trim_filename): No longer static.
2324 * toplev.h (trim_filename): Declare.
2325 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2326 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2327 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2328 (rtvec_check_failed_bounds): Likewise.
2329 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2331 * convert.c (convert_to_integer): Don't do unsigned unless result or
2332 both inputs are unsigned.
2334 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2337 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2339 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2341 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2343 * Makefile.in (resource.o): Add params.h dependence.
2344 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2345 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2346 * resource.c: Add dependence on params.h.
2347 (current_live_regs): Fix explanatory comment.
2348 (find_basic_block): Add new parameter to permit limiting search
2350 (mark_target_live_regs): Add new argument to find_basic_block call.
2351 (incr_ticks_for_insn): Likewise.
2353 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2355 * diagnostic.c (output_to_stream): Rename to
2356 output_buffer_to_stream. Loses the stream parameter.
2357 (init_output_buffer): Set diagnosic_buffer's stream.
2358 (flush_diagnostic_buffer): Adjust.
2359 (default_print_error_function): Likewise.
2360 (finish_diagnostic): Likewise.
2361 (verbatim): Likewise.
2363 * diagnostic.h (struct output_buffer): Add `stream' field.
2364 (output_buffer_attached_stream): New macro.
2366 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2368 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2369 check if either operand is divisible by C.
2370 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2371 If type is signed, consider negative numbers as well.
2373 2001-02-22 Richard Henderson <rth@redhat.com>
2375 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2376 reach .text instead of gp-relative relocs.
2377 * config/ia64/crtend.asm (.init): Likewise.
2379 2001-02-22 Andreas Jaeger <aj@suse.de>
2381 * extend.texi (C++ Attributes): Fix typo.
2383 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2385 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2386 functions, drop current_function_args_info.words test.
2387 (ia64_compute_frame_size): Mark syscall_linkage functions as
2388 using eight input registers.
2390 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2391 Bruce Korb <bkorb@gnu.org>
2393 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2394 * fixinc/README: Document how to convert sed substitutions
2395 to format style c_fix-es.
2396 * fixinc/fixincl.x: regen
2398 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2400 * gcc.c: Add comment explaining how to add a command-line option.
2401 Add title to specs language comment.
2403 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2405 * gcc.c (cc1_options): Add "-param".
2406 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2407 (option_map): Likewise.
2408 * toplev.c (display_help): Add entry for "--param".
2409 (independent_decode_option): Fix typographical error.
2411 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2412 Bernd Schmidt <bernds@redhat.com>
2413 Jan Hubicka <jh@suse.cz>
2415 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2416 (function_arg): Likewise.
2418 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2420 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2422 2001-02-21 Kazu Hirata <kazu@hxi.com>
2424 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2428 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2430 * flow.c (init_propagate_block_info): Canon address and use single_set
2431 for killing dead memory stores.
2433 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2435 * Makefile.in (reorg.o): Add params.h dependence.
2436 * params.def: Fix typographical error in comment.
2437 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2438 * params.h: Modify introductory comment.
2439 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2440 * reorg.c: Add dependence on params.h.
2441 (redundant_insn): Add parameterized throttle for search.
2442 (fill_simple_delay_slots): Add a comment explaining a variable.
2443 Move conditional out of loop, simplifying code.
2444 (fill_eager_delay_slots): Fix typographical error in comment.
2446 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2448 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2450 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2451 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2453 2001-02-21 Jason Merrill <jason@redhat.com>
2455 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2456 (struct tree_decl): Add uninlinable bitfield.
2457 * c-decl.c (duplicate_decls): Set it.
2458 * integrate.c (function_cannot_inline_p): Check it.
2460 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2461 DW_AT_MIPS_linkage_name to abstract methods.
2462 (dwarf2out_abstract_function): Emit class context before calling
2463 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2464 (gen_subprogram_die): Remove obsolete code.
2465 (gen_member_die): Don't include clones in the member list.
2466 (gen_decl_die): Emit abstract info for clone origin.
2467 * dwarfout.c (output_type): Don't include clones in the member list.
2468 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2469 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2470 DECL_ABSTRACT on a function that already has it set.
2472 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2473 (get_subprogram_die): Pass it in.
2475 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2477 * flow.c (mark_set_1): Make not_dead unsigned long. For
2478 non-pseudos, use it as a bitmask of the hard regs that
2481 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2483 * cppfiles.c: Update comments.
2484 (_cpp_read_file): Don't check for NULL filenames any more.
2485 * cppinit.c (cpp_start_read): Don't do canonicalization of
2486 in_fname and out_fname. Use the passed file name exclusively.
2487 (_cpp_handle_options): Don't treat "-" as a command line option,
2488 but as a normal filename.
2489 (_cpp_post_options): Canonicalize in_fname and out_fname.
2490 * cppmain.c (printer_init): Don't check out_fname for NULL.
2491 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2492 (init_c_lex): Update, and use "" to represent stdin to CPP.
2495 2001-02-20 Will Cohen <wcohen@redhat.com>
2497 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2498 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2499 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2502 2001-02-20 Stan Shebs <shebs@apple.com>
2504 * config/rs6000/rs6000.c (output_cbranch): Output branches
2505 on separate lines instead of using ';' to separate.
2507 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2509 * cppinit.c (set_lang): Move builtin handling to...
2510 (init_builtins): ...here.
2511 (_cpp_create_reader): Move call to set_lang.
2513 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2515 * stmt.c (expand_return): If an attempt is made to return the
2516 error_mar_node, treat the return like a return without a value.
2518 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2520 * sibcall.c (skip_copy_to_return_value): Call
2521 identify_call_return_value here, and return orig_insn if it
2522 returns zero. Hardret and softret arguments now unnecessary.
2523 (call_ends_block_p): Don't call identify_call_return_value here.
2525 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2527 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2528 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2530 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2532 * pa.c (move_operand): Accept code to load the address of a
2533 symbol out of the DLT as a valid move operand.
2534 (print_operand, case 'A'): New to handle generating a DLT
2535 reference for a LO_SUM expression.
2536 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2537 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2539 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2541 * README, cpp.texi, gcc.texi, version.c: Update version number to
2543 * cpp.1, gcov.1, gcc.1: Regenerate.
2545 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2547 * cppfiles.c (stack_include_file): Generate dependencies
2548 here, and manage include_count here too.
2549 (PRINT_THIS_DEP): Delete.
2550 (_cpp_execute_include): Do not generate dependencies here,
2551 apart from the case of a missing header. Do not manage
2553 (_cpp_read_file): Leave dependency generation to
2556 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2558 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2559 target_cpu_default. Remove dead assignment to
2562 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2564 * regclass.c (contains_reg_of_mode): Make global.
2565 (init_reg_sets): Remove contains_reg_of_mode; take into account
2566 CLASS_MAX_NREGS when looking for the proper mode.
2567 (dump_regclass): Dump only classes considered for the pseudo.
2568 (regclass): Use contains_reg_of_mode.
2570 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2572 * gcc.c (do_spec_1): 'n' for printing notices.
2573 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2575 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2577 * reg-stack.c (next_flags_user): Use current_block->end
2578 (swap_rtx_condition): Look for next user if flags don't die;
2579 give up on CALL_INSNs; use current_block->end.
2581 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2583 * sibcall.c (call_ends_block_p): New function.
2584 (optimize_sibling_and_tail_recursive_call): Use it.
2586 2001-02-18 Kazu Hirata <kazu@hxi.com>
2588 * config/h8300/h8300.md: Update copyright.
2589 (andsi3): Do not output an extra newline character.
2591 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2593 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2594 FNDECL may be unused.
2596 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2597 follow jumps after first run.
2598 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2599 it doesn't change any jumps.
2601 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2603 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2604 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2605 (mostlyclean): Corresponding changes.
2606 * rtlanal.c (hard-reg-set.h): Include.
2607 (rtx_unstable_p): Do not treat the argument pointer specially
2608 if it is not a fixed register.
2609 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2611 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2613 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2614 against last real insn in basic block.
2615 Rework to avoid gotos.
2617 * Makefile.in (gcse.o): Now includes ggc.h.
2618 * gcse.c: Include ggc.h.
2619 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2620 (try_replace_reg): Remove warning of uninitialize variable.
2621 (process_insert_insn): Call invalid_insn_p to validate insn.
2622 * recog.c (insn_invalid_p): Now global.
2623 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2624 * recog.h (insn_invalid_p): New declaration.
2626 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2628 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2629 assignments from FP constants since 'Y' output code can't handle it.
2630 (eligible_for_sibcall_delay): Likewise.
2632 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2633 Call fancy_abort directly, passing args.
2634 (print_rtl_and_abort): Now a macro, like fancy_abort.
2636 * final.c (output_operand_lossage): Use internal_error, not error.
2638 2001-02-18 Shane Nay <shane@agendacomputing.com>
2640 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2641 structure shift insns.
2643 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2645 * invoke.texi (-fsquangle): Remove documentation.
2646 (-fname-mangling-version): Likewise.
2648 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2650 * optabs.c (expand_abs): Remove reference to
2651 HAVE_contitional_arithmetic.
2652 * combine.c (simplify_set): Likewise.
2654 2001-02-18 Richard Henderson <rth@redhat.com>
2656 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2659 2001-02-18 Richard Henderson <rth@redhat.com>
2661 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2663 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2665 * reload1.c (reload_cse_simplify_set): Fix typo.
2667 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2669 * diagnostic.c (_fatal_insn): Decrement errorcount.
2671 * invoke.texi (-I): Add note avoiding use for system header files.
2673 * rtl.h (add_clobbers): Remove duplicate declaration.
2674 * recog.h (added_clobbers_hard_reg_p): New declaration.
2675 * genemit.c (struct clobber_pat): New field has_hard_reg.
2676 (gen_insn): Record if added clobbers clobber hard reg.
2677 (gen_split): Avoid unused warning if number of operands is 0.
2678 (output_added_clobbers_hard_reg_p): New function.
2681 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2683 * pa.c (hppa_expand_prologue): Simplify code storing return
2684 pointer. For large (>=8k) frames with a post_store, adjust stack
2685 pointer by 8k-64 first rather than by 64. When testing with
2686 VAL_14_BITS_P, always use the actual value rather than the value
2687 negated. Add blockage to prevent scheduling of spills before
2688 stack frame has been created.
2689 (hppa_expand_epilogue): Simplify code loading return pointer.
2690 Allow a slightly larger range for merge_sp_adjust_with_load case.
2691 When testing with VAL_14_BITS_P, always use the actual value.
2693 * pa.c (pa_adjust_insn_length): Check that block move
2694 pattern is a set before looking at operands.
2696 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2698 * fold-const.c (fold_binary_op_with_conditional_arg): New
2699 function, split out from ...
2701 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2702 conditional arms that throw exceptions.
2704 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2707 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2709 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2710 define HAVE_DECL_* to 1 to mask potential backup declarations.
2711 * configure: Regenerated.
2713 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2715 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2717 2001-02-17 Richard Henderson <rth@redhat.com>
2719 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2720 when replacing a memory load with a register.
2722 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2723 Jan Hubicka <jh@suse.cz>
2725 * recog.c (validate_replace_src_1): New.
2726 (validate_replace_src_data): Likewise.
2727 (validate_replace_src): Use note_uses.
2728 * rtl.h (note_uses): Declare.
2729 * rtlanal.c (note_uses): New.
2731 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2733 * reg-stack.c (stack_def): Make field reg unsigned.
2734 (remove_regno_note): Unsignetize parameter.
2736 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2738 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2739 shladd_operand() call.
2741 2001-02-16 Bruce Korb <bkorb@gnu.org>
2742 Rodney Brown <RodneyBrown@mynd.com>
2744 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2745 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2746 machine restrictions
2747 * fixinc/fixincl.x: regen
2749 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2751 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2753 (hash_scan_insn): Clean up calls to hash_scan_set.
2754 (compute_kill_rd): REGNO now unsigned.
2755 (try_replace_reg): Rework to use simplify_replace_rtx.
2756 (cprop_jump, cprop_cc0_jump): Likewise.
2757 (cprop_insn): Call find_reg_equal_equiv_note.
2758 Reflect changes to cprop_jump and cprop_cc0_jump.
2760 * recog.c (validate_replace_src): Replace in operands of
2761 ZERO_EXTRACT in SET_DEST.
2763 * cse.c (new_label_ref): New variable.
2764 (insert): Set it instead of recorded_label_ref.
2765 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2766 CODE_LABEL for this function, and not already in REG_LABEL note.
2768 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2770 * resource.c (mark_referenced_resources): Fix typo in introductory
2772 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2775 2001-02-16 Jason Merrill <jason@redhat.com>
2777 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2779 (gen_subprogram_die): Don't abort on seeing a second definition if
2780 the previous one was abstract. Don't replace an abstract instance
2781 in the lookup table.
2783 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2784 gen_abstract_function.
2785 * dwarf2out.h: Declare it.
2786 * toplev.c (note_outlining_of_inline_function): New fn.
2787 * toplev.h: Declare it.
2788 * integrate.c (output_inline_function): Call it.
2789 * c-decl.c (duplicate_decls): Call it when redefining an extern
2790 inline. Don't inline the new defn.
2792 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2794 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2796 * .gdbinit: Rename to gdbinit.in.
2797 * gdbinit.in: New file,
2798 * configure.in: Generate .gdbinit from gdbinit.in.
2799 * configure: Regenerated.
2800 * Makefile.in (distclean): Always remove .gdbinit.
2802 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2804 * objc/objc-act.c (start_class): Register implemented_classes with
2807 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2809 * cppfiles.c (_cpp_make_system_header): Generate a file
2812 2001-02-15 Jim Meyering <meyering@lucent.com>
2814 * Makefile.in (install-common): Don't depend on installdirs here.
2815 Instead, make each of the lang.install-common targets (e.g.,
2816 c++.install-common in cp/Make-lang.in) depend on it.
2817 (install-driver): Depend on installdirs.
2819 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2821 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2823 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2826 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2828 * invoke.texi (--param): Document.
2830 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2832 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2834 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2836 * i386.md (extendsfdf2_2): Fix constraints.
2838 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2840 * i386.md (fop_df_3 splitter): Fix operand number.
2842 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2844 * invoke.texi (-mreg-alloc): Nuke.
2845 * i386.c (ix86_reg_alloc_order, regs_allocated,
2846 order_regs_for_local_alloc): Nuke.
2847 (override_options): Kill reg_alloc code.
2848 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2849 (REG_ALLOC_ORDER): SSE goes before I387.
2850 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2851 (ix86_reg_alloc_order): Likewise.
2852 * i386-protos.h (ix86_reg_alloc_order): Kill.
2854 2001-02-14 Richard Henderson <rth@redhat.com>
2856 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2858 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2860 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2862 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2864 * i386-protos.h (ix86_memory_move_cost): Move offline.
2865 * i386.c (ix86_register_move_cost): Compute properly cost of
2866 SSE, MMX and i387 instructions.
2867 (*_cost): Add costs of SSE/MMX moves.
2868 (ix86_memory_move_cost): Move offline from ....; Likewise.
2869 * i386.h (MEMORY_MOVE_COST): .... here;
2870 (struct processor costs): Add new fields to represent costs
2873 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2875 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2876 move_cost together with Matt Kraai's fix.
2878 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2880 * Makefile.in (OBJS): Add params.o.
2882 2001-02-14 Richard Henderson <rth@redhat.com>
2883 DJ Delorie <dj@redhat.com>
2885 * jump.c (jump_optimize_1): When we delete a conditional jump
2886 preceeding a non-conditional jump to effectively the same place,
2887 make sure that the combined jump skips any clobber insns between
2890 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2892 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2894 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2896 * Makefile.in (toplev.o): Depend on params.h.
2897 (intergate.o): Likewise.
2898 (params.o): New target.
2899 * flags.h (inline_max_insns): Remove.
2900 * integrate.c: Include params.h.
2901 Use MAX_INLINE_INSNS instead of inline_max_insns.
2902 * params.c: New file.
2903 * params.h: Likewise.
2904 * params.def: Likewise.
2905 * toplev.c: Include params.h.
2906 (lang_independent_params): New variable.
2907 (decode_f_option): Use the param machinery instead of setting
2909 (independent_decode_option): Handle "--param name=value".
2910 (main): Register language-independent parameters.
2912 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2914 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2916 2001-02-14 Richard Henderson <rth@redhat.com>
2918 * regclass.c (init_reg_sets_1): Revert last two changes.
2920 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2922 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2923 (variable_size): Call put_pending_size.
2924 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2925 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2926 sizes list, put newly created SAVE_EXPR there as well.
2928 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2930 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2931 (errata_find_address_regs): load_group has only 2 entries.
2932 (errata_emit_nops): Likewise. shladd is not problematic.
2933 Clear last_group if nop was emitted.
2934 (fixup_errata): load_group has only 2 entries.
2937 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2939 * c-lex.c (lex_number): Only warn traditionally for U suffix
2940 outside system macros.
2941 * cppexp.c (parse_number): Similarly.
2942 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2943 * cppmacro.c (struct cpp_macro): New member node.
2944 (parse_args): Only warn about missing rest args if not
2946 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2947 (cpp_sys_objmacro_p): New.
2948 (_cpp_create_definition): Store the node with the macro defn.
2949 Remember if the macro is defined in a system header.
2951 2001-02-13 DJ Delorie <dj@redhat.com>
2953 * configure.in (check_languages): determine languages to check
2954 * Makefile.in (check-c++): alias for check-g++
2955 (check-f77): alias for check-g77
2956 (CHECK_TARGETS): depend on configured languages
2958 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2960 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2961 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2962 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2963 (sqrtextendsfdf2): Disable for SSE2.
2965 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2967 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2968 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2969 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2970 (sqrtextendsfdf2): Disable for SSE2.
2972 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2974 * i386.md (movsfcc_1): Support integer cmove instruction.
2975 (movdfcc_1): Likewise; new splitter.
2977 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2979 * i386.c (output_fp_compare): Support SSE.
2980 (prepare_fp_compare_args): SSE comparisons always support memory.
2981 * i386.h (TARGET_CMOVE): SSE imply cmove.
2982 * i386.md (cmp?f2): Enable for SSE too.
2983 (cmpfp_i*): Support SSE.
2985 (cmpfp_i_sse_only): New.
2986 (s*, b* fp expanters): Enable for SSE too.
2987 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2990 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2992 * regclass.c (init_reg_sets_1): Silence warning.
2994 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2996 * i386.md (sqrt?f2): Change to expander.
2997 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2999 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3001 * rtlanal.c (find_reg_equal_equiv_note): New function.
3002 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3003 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3004 * rtl.h: Add declarations for above functions.
3006 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3008 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3010 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3011 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3012 * flow.c (mark_regs_live_at_end): Likewise.
3013 (calculate_global_regs_live): Likewise.
3014 * gcse.c (compute_hash_table): Likewise.
3015 (compute_kill_rd): Likewise.
3016 * resource.c (mark_target_live_regs): Likewise.
3017 * rtl.h (INVALID_REGNUM): New macro.
3019 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3021 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3023 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3025 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3028 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3030 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3032 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3033 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3034 (fop_sf_1_sse, fop_df_1_sse): New patterns
3035 (fop_*): Disable float_extend and float patterns for SSE compilation.
3036 * i386.c (output_387_binary_op): Support SSE.
3038 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3040 * i386.md (dummy_extendsfdf2): Support SSE2
3041 (extendsfdf2): Enable if 80387 or SSE2.
3042 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3043 and no MIX_I387_SSE2
3044 (extendsfdf2_1_sse_only): New pattern.
3045 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3047 (truncdfsf2_1): Support SSE.
3048 (truncdfsf2_2): Support SSE.
3049 (truncdfsf2_2_1_sse): New pattern.
3050 (fixtruncsfsi2): Always use SSE if available.
3051 (fix_truncsfsi_sse): New pattern.
3052 (fix_truncdfsi_sse): New pattern.
3053 (floatsis?f2): Support SSE.
3054 (floatsidf2_i387): New pattern.
3055 (floatsidf2_sse): Likewise.
3057 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3059 * configure.in: Use "have_gnat" variable, not "gnat".
3060 * configure: Regenerated.
3062 * config/sparc/sparc.c (function_value): Treat all non-record
3063 aggregate types like used to treat UNION_TYPE.
3065 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3067 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3068 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3070 (MASK_MIX_SSE_I387): New.
3071 (TARGET_SSE): SSE2 imply SSE.
3072 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3073 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3074 (enum reg_class): Add new classes.
3075 (REG_CLASS_NAMES): Likewise.
3076 (REG_CLASS_CONTENTS): Likewise.
3077 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3078 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3079 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3080 (CLASS_MAX_NREGS): Use new macros.
3081 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3082 * i386.md (pushsf, movsf): Support SSE.
3083 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3084 splitters to use ANY_FP_REGNO_P.
3085 (movdf_nointeger, movdf_integer): Likewise.
3087 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3089 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3090 (try_combine): Use it.
3092 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3094 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3095 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3096 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3097 (REGISTER_MOVE_COST): Likewise.
3098 * i386-protos.h (ix86_secondary_memory_needed,
3099 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3100 * i386.c (ix86_secondary_memory_needed,
3101 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3103 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3105 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3106 (HARD_REGNO_MODE_OK): Move offline to ....
3107 * i386.c (ix86_hard_regno_mode_ok) ... here;
3108 refuse all incorrect modes.
3109 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3111 2001-02-13 Richard Henderson <rth@redhat.com>
3113 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3114 entire operator; replicate that and match_dup the operands.
3115 (cmp_ccx_arith_op_set): Likewise.
3116 (cmp_cc_arith_op_not_set): Likewise.
3117 (cmp_ccx_arith_op_not_set): Likewise.
3119 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3121 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3123 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3125 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3126 (TARGET_NO_BITFIELD_WORD): New macro.
3127 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3128 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3130 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3132 * cselib.c: New file, from simplify-rtx.c.
3133 * simplify-rtx.c: Remove cselib parts.
3134 * Makefile.in: Add cselib.o.
3136 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3138 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3139 (setup_incoming_varargs): Remove warning.
3141 * config/rs6000/rs6000.c (validate_condition_mode): When
3142 flag_fast_math, allow floating-point conditionals to be reversed.
3143 (rs6000_generate_compare): When flag_fast_math, don't generate
3144 cror operations for FP conditionals.
3146 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3148 (ASM_SPEC): Likewise.
3149 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3150 (CC1_SPEC): Likewise.
3151 (LINK_TARGET_SPEC): Likewise.
3152 (CPP_ENDIAN_SPEC): Likewise.
3153 * Makefile.in (check-consistency): New target.
3155 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3157 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3158 "return type defaults" warning for functions with return type
3160 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3161 function declarations by default rather than only when pedantic.
3163 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3165 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3168 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3170 * extend.texi (Deprecated): Deprecate new initializer lists.
3172 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3174 * mkdeps.c (deps_add_default_target): Robustify. Add
3175 basename component only.
3176 * cpp.texi (-M): Describe how default target is generated.
3177 * invoke.texi (-M): Likewise.
3179 2001-02-12 Kazu Hirata <kazu@hxi.com>
3181 * toplev.c (push_float_handler): Remove.
3182 (pop_float_handler): Remove.
3183 * toplev.h: Remove prototypes for the above functions.
3185 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3187 * c-common.c (constant_fits_type_p): New function.
3188 (convert_and_check): Use it.
3190 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3192 * Makefile.in (GXX_ABI_FLAG): Don't define.
3193 * configure.in (--enable-new-gxx-abi): Remove option.
3194 * config.in: Regenerated.
3195 * configure: Likewise.
3197 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3199 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3201 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3202 regular basic block, and arrange for all edges into it to switch
3205 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3207 * Makefile.in (distclean): Do not remove .gdbinit.
3209 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3211 * Makefile.in (gcc.o): Fix typos.
3212 (protize.o): Likewise.
3213 (unprotoize.o): Likewise.
3215 2001-02-11 Richard Henderson <rth@redhat.com>
3217 * tree.c (build1): Check for null operand in last change.
3219 2001-02-11 Richard Henderson <rth@redhat.com>
3221 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3222 (fold): Don't assume a constant isn't foldable.
3223 * tree.c (build): Set TREE_CONSTANT for an expression with no
3224 side-effects and constant operands.
3227 2001-02-10 Richard Henderson <rth@redhat.com>
3229 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3231 2001-02-10 Anthony Green <green@redhat.com>
3233 * cpp.texi (Standard Predefined): Add documentation for
3236 * c-common.c (combine_strings): Improve warning message.
3238 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3240 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3242 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3244 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3246 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3249 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3251 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3254 2001-02-09 Nick Clifton <nickc@redhat.com>
3256 * config/arm/arm.md: Change output contraint on post inc
3257 load/store multiple patterns to be a read/write contraint.
3259 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3261 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3262 .o files when using the -M options.
3264 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3265 David Edelsohn <edelsohn@gnu.org>
3267 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3268 handle DImode constants. Use one TOC entry for SImode and smaller
3269 constants, aligned properly.
3271 2001-02-08 Jason Merrill <jason@redhat.com>
3273 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3274 about the SP adjustment for saving the static chain pointer.
3275 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3276 offset when setting a temporary CFA register.
3278 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3280 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3281 powerpc-*-chorusos* .
3282 * config/rs6000/chorus.h : New file.
3283 * config/i386/chorus.h : New file.
3284 * config/sparc/chorus.h : New file.
3285 * config/sparc/t-chorus-elf : New file.
3287 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3289 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3290 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3291 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3292 (__WCHAR_TYPE__): Correct macro name.
3294 2001-02-08 Richard Henderson <rth@redhat.com>
3296 * config/i386/i386.c (ix86_frame_pointer_required): New.
3297 (ix86_setup_frame_addresses): New.
3298 (struct machine_funciton): Add accesses_prev_frame.
3299 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3300 ix86_frame_pointer_required.
3301 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3302 (SETUP_FRAME_ADDRESSES): New.
3303 * config/i386/i386-protos.h: Update.
3304 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3305 from FRAME_POINTER_REQUIRED.
3306 * config/i386/svr3gas.h: Likewise.
3307 * config/i386/sysv3.h: Likewise.
3308 * config/i386/v3gas.h: Likewise.
3310 2001-02-08 Richard Henderson <rth@redhat.com>
3312 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3313 calculation of the number of integer registers required.
3314 (function_arg_record_value): Likewise.
3316 2001-02-08 Jason Merrill <jason@redhat.com>
3318 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3319 two. Print file and line with "confused" message.
3321 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3323 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3325 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3327 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3329 * final.c (cleanup_subreg_operands): The address of a MEM can
3332 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3335 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3337 * gcc.texi (Incompatibilities): Update documentation of
3338 preprocessing numbers.
3340 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3342 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3344 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3346 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3348 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3349 * gcc.c (struct compiler): Add cpp_spec field.
3350 (input_file_compiler): New variable.
3351 (do_spec_1): Allow a particular compiler to handle `%C'
3353 (main): Store the current compiler in input_file_compiler.
3354 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3356 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3358 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3359 * cppinit.c (cpp_create_reader): Initialize them.
3360 (append_include_chain): cxx_aware arg might be unused.
3361 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3362 keywords and give them their phase 7 meaning. Pedwarn about
3363 this unless '__bool_true_false_are_defined' is defined.
3365 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3367 * lcm.c (optimize_mode_switching): Emit mode_set before the
3368 JUMP_INSN of an abnormal edge.
3370 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3372 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3373 a scheduling barrier at the end.
3375 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3377 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3379 * config/sh/sh.md (reload_outsf): Removed.
3380 (movsf_ie): Introduce constraints for FPUL loads and stores.
3381 (reload_insf): Broaden the output constraint.
3383 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3385 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3386 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3388 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3390 * final.c: Revert my previous changes.
3391 * output.h: Make profile_label_no extern.
3392 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3393 for generating label.
3395 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3397 * config/i386/djgpp.h: Add comments about standard paths.
3398 (MD_EXEC_PREFIX): Undefine before defining.
3399 (MD_STARTFILE_PREFIX): New.
3401 2001-01-30 Bruce Korb <bkorb@gnu.org>
3403 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3404 (load_file): do not rely on load_file_data() to close file pointer
3405 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3406 fixinc/inclhack.def(irix_limits_const): add test_text
3408 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3410 * cppexp.c (parse_defined): Improve diagnostics for invalid
3413 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3415 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3417 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3419 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3420 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3421 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3422 (rs6000_output_symbol_ref): New function.
3423 (output_toc): Use VTABLE_NAME_P.
3425 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3427 * print-tree.c (print_node, case PARM_DECL):
3428 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3430 * stor-layout.c (reference_types_internal): New variable.
3431 (internal_reference_types): New function.
3432 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3433 * tree.h (internal_reference_types): New declaration.
3435 * cse.c (find_best_addr): Fix typo in computing cost.
3437 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3439 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3440 and this is the sum of a pointer and a constant, we know the result
3442 (num_sign_bit_copies, case PLUS): Likewise.
3443 * explow.c (convert_memory_address): Remove opposite SUBREG.
3444 * function.c (instantiate_new_reg): New function (from common code).
3445 (instantiate_virtual_regs_1): Call it.
3446 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3447 if pointers sign- or zero-extend.
3448 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3449 If pointers extend unsigned, use inside of SUBREG.
3450 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3452 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3454 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3455 subdir of gcc_gxx_include_dir.
3456 (gcc_gxx_target_include_dir): Remove.
3458 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3460 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3461 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3462 a high-level description.
3464 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3466 * final.c: Move the declaration of profile_label_no to ...
3467 * output.h: ... here.
3468 * function.c (expand_function_start): Call PROFILE_HOOK.
3469 * config/rs6000/aix.h: Define PROFILE_HOOK.
3470 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3471 * config/rs6000/rs6000.c (output_profile_hook): Define.
3472 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3473 output_profile_hook.
3474 tm.texi : Explain new macro PROFILE_HOOK.
3476 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3478 * extend.texi (Extended Asm): Do not say that semicolon is always
3479 a valid line-breaking character for GNU assemblers. Use
3480 newline-tab as the most commonly supported syntax. Use
3481 newline-tab rather than semicolon in multi-insn examples.
3483 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3485 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3487 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3488 David Edelsohn <edelsohn@gnu.org>
3490 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3491 code for AIX, even without flag_pic.
3493 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3495 * c-typeck.c (common_type): push and pop binding level around
3496 calling common_type on function parameters.
3498 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3500 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3502 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3504 * config/mips/mips.c (override_options): Fix typo in last change.
3505 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3506 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3508 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3510 * invoke.texi (-fdump-class-layout): Document.
3511 (-fdump-translation-unit): Use `=' as filename separator.
3513 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3515 * Makefile.in (s-mlib): Don't build multilibs if
3517 (DRIVER_DEFINES): Adjust accordingly.
3519 (protoize.o): Likewise.
3520 (unprotoize.o): Likewise.
3521 * configure.in: Recognize --enable-multilib.
3523 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3525 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3527 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3528 * configure.in: Remove --enable-libstdcxx_v3 support.
3529 * configure: Regenerated.
3531 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3533 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3534 Call abort instead of fatal.
3535 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3536 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3537 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3538 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3539 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3540 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3542 * diagnostic.h (set_internal_error_function): Renamed.
3543 * toplev.h (internal_error): Renamed from fatal.
3544 (pfatal_with_name): Deleted.
3545 (fatal_io_error): Now has printf-style arguments.
3546 * diagnostic.c (pfatal_with_name): Deleted.
3547 (fatal_io_error): Rework to have args in printf-style.
3548 (set_internal_error_function): Renamed from set_fatal_function.
3549 (internal_error): Renamed from fatal.
3550 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3551 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3552 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3553 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3554 * flow.c (verify_flow_info): Likewise.
3555 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3556 * config/mips/mips.c (save_restore_insns): Likewise.
3558 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3559 * flow.c (verify_flow_info): Likewise.
3560 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3561 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3562 (avr_normalize_condition): Likewise.
3563 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3564 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3565 (limit_reload_class, double_reg_to_memory): Likewise.
3566 (print_operand_address, emit_1600_code_shift): Likewise.
3567 (gen_tst_reg, gen_compare_reg): Likewise.
3568 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3569 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3571 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3573 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3574 * objc/objc-act.c (build_ivar_chain): Likewise.
3575 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3577 * graph.c (clean_graph_dump_file): Likewise.
3578 * profile.c (init_branch_prob): Likewise.
3579 * objc/objc-act.c (objc_init): Likewise.
3581 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3582 * config/avr/avr.c (avr_override_options): Likewise.
3583 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3584 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3585 * config/h8300/h8300.c (h8300_init_once): Likewise.
3586 * config/mips/mips.c (override_options): Likewise.
3587 * config/i386/i386.c (override_options): Likewise, rework.
3588 * config/m68k/m68k.c (override_options): Likewise.
3590 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3592 * config/mips/mips.c (print_operand): Likewise.
3593 * hash.c (hash_allocate): Don't check for failure returns from
3594 obstack functions that can't fail.
3595 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3596 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3597 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3598 (get_object_reference): Likewise.
3600 2001-02-04 Nick Clifton <nickc@redhat.com>
3602 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3603 StrongARM1110, 10TDMI, and 1020T.
3605 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3607 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3609 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3611 * config/sh/sh.md (movdf load split): Pass register number to
3612 FP_OR_XD_REGISTER_P.
3614 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3616 * cppinit.c (BC): New macro.
3617 (builtin_array): Add __GXX_WEAK__.
3618 * cpplib.h (builtin_type): Add BT_WEAK.
3619 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3620 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3621 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3623 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3625 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3627 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3629 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3630 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3632 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3634 * cpphash.h: Rename ALIGN _ALIGN.
3635 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3637 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3639 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3640 compilation environment.
3641 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3642 control over location of cygwin includes and libs.
3644 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3646 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3648 2001-02-02 lars brinkhoff <lars@nocrew.org>
3650 * md.texi (Standard Names): remove reference to spur.md.
3652 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3654 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3655 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3656 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3657 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3658 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3660 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3662 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3663 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3664 number before reload.
3665 (c4x_adjust_cost): Return zero before reload.
3666 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3667 split before reload.
3669 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3671 * c4x.c (c4x_hard_regno_rename_ok): New.
3672 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3673 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3675 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3677 * diagnostic.h: Add missing "extern" in all declarations.
3679 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3681 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3682 as for gcc_gxx_include_dir.
3684 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3686 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3688 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3690 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3691 label before alignment to be used as the braf base address.
3692 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3694 (casesi_jump_2): Require at least TARGET_SH2.
3696 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3697 truncation to 32-bit doubles on -m3e and -m4-single-only.
3699 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3701 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3702 the default when building a shared object.
3703 (init_spec): Use it.
3704 * testsuite/lib/g++.exp: Include the directory where libgcc
3705 is located to the LD_LIBRARY_PATH list.
3706 * invoke.texi (-shared-libgcc): Document the cases in which
3707 GCC defaults to using the shared libgcc.
3709 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3711 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3712 unsigned is wide enough.
3714 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3715 (si_to_float): Likewise.
3716 (float_to_si, float_to_usi): Use BITS_PER_SI.
3718 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3720 * dwarf2out.c: Added explanation of abbreviations.
3721 (def_cfa_1): Added comments listing DWARF2 instructions.
3722 (cfa_temp_reg): Removed in favor of cfa_temp.
3723 (cfa_temp_value): Removed in favor of cfa_temp.
3724 (cfa_temp): New global variable.
3725 (dwarf2out_frame_debug_expr): Added extensive introductory
3726 comments explaining the function's transformations. Revised to
3727 use cfa_temp. Added some rtx checking. Generalize IOR case.
3728 (dwarf2out_frame_debug): Revised to use cfa_temp.
3729 (output_aranges): Cast as "unsigned" to avoid warning.
3730 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3731 explain which instructions must be marked.
3733 2001-02-01 Richard Henderson <rth@redhat.com>
3735 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3738 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3740 * config/sh/crt1.asm (main_k): Modified so that start calls
3741 ___setup_argv_and_call_main.
3743 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3745 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3746 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3747 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3748 * cppmacro.c (builtin_macro): Set builtin flags here.
3749 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3750 (replace_args): Clarify intent.
3751 (cpp_get_token): Macro expansion tokens get the saved flags.
3753 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3756 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3758 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3761 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3763 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3764 returns Pmode pseudo, but we need ptr_mode.
3765 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3766 Remove bogus conversions; use HOST_WIDE_INT for size.
3767 Don't use TARGET if wrong mode.
3769 * config/i386/i386.c (ix86_compute_frame_size): Allow
3770 stack_alignment_needed to be non-default even if size is zero.
3772 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3774 * (hppa_init_pic_save): Emit the pic offset table
3775 reg save after last_parm_insn.
3776 * pa.c (hppa_init_pic_save): New function.
3777 * pa.h (hppa_init_pic_save): Declare.
3778 * pa.md (call, call_value, sibcall, sibcall_value): Use
3779 the above instead of duplicated code.
3781 * pa.c (hppa_encode_label): Correct size of alloca buffer
3782 so we don't overrun it. Correct leading `*' case.
3783 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3784 need to handle `*@'.
3785 (FUNCTION_NAME_P): Likewise.
3787 2001-01-31 Richard Henderson <rth@redhat.com>
3789 * config.gcc (alpha-osf5): Use float-i128.h.
3791 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3792 * config/float-i32.h: Likewise.
3793 * config/float-i64.h: Likewise.
3794 * config/float-sh.h: Likewise.
3795 * config/float-sparc.h: Likewise.
3797 2001-01-31 DJ Delorie <dj@redhat.com>
3799 * expmed.c (extract_bit_field): allow non-integral modes if we
3800 want to extract a whole register from itself.
3802 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3804 * c-typeck.c (set_init_index): If first is equal to last, assume as
3805 if it was not a range at all.
3807 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3809 * config/fp-bit.c: Include tm.h.
3810 (float_to_si): Don't assume SImode is 32-bits wide.
3811 (float_to_usi): Likewise.
3813 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3815 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3817 (typename): Call pending_xref_error after parsing typed_typespecs.
3818 * c-decl.c (lookup_tag): Give error immediately rather than
3819 leaving it pending if the tag of the wrong type is in the same
3821 (xref_tag): Don't pedwarn for forward declarations of enum types
3823 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3826 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3828 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3830 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3832 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3833 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3835 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3837 * cpphash.h (struct cpp_reader): New saved_flags.
3838 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3839 to avoid a paste after a pasted token.
3841 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3843 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3844 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3845 Wtype_MIN instead of LONG_MIN.
3847 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3849 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3851 * fixinc/fixincl.x: Regenerated.
3852 * fixinc/inclhack.def (irix_limits_const): New definition to
3853 convert "const" to "__const" in limits.h.
3855 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3857 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3859 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3861 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3862 when register dies in the insn.
3864 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3866 * diagnostic.c (fatal): Fix word wrap.
3868 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3870 * combine.c (try_combine): Fix SUBREG setting for
3871 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3873 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3875 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3878 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3880 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3882 * toplev.c (decode_W_option): Update warn_larger_than
3883 unconditionally for each processed switch.
3885 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3887 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3889 (hppa_expand_prologue): Delete code to save pic offset table register
3890 in the function prologue.
3891 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3892 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3893 table register at the beginning of the function after the prologue.
3895 2001-01-29 lars brinkhoff <lars@nocrew.org>
3897 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3899 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3900 Jeff Law <law@redhat.com>
3902 * pa.md (return): Revise comment for trivial return.
3903 (return_internal): Non-trivial return pattern for non-PIC code.
3904 (return_internal_pic): Non-trivial return pattern for PIC code.
3905 It uses the PIC register to ensure it is restored after
3907 (epilogue): Generate appropriate return for PIC and non-PIC code.
3909 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3911 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3913 2001-01-29 DJ Delorie <dj@redhat.com>
3915 * combine.c (if_then_else_cond): Pass the correct mode to
3916 operand_subword() for constants.
3918 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3920 * config/i386/cygwin.h: Add w32api to include search. Search different
3921 directories in a cross-build environment.
3923 2001-11-29 Tim Josling <tej@melbpc.org.au>
3925 * tree.h (TYPE_STUB_DECL): Add documentation.
3927 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3929 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3930 (sdbout_field_types): Likwise. Fix use of host_integerp.
3932 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3934 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3937 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3939 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3940 to use flag_gnu_linker.
3942 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3944 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3945 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3947 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3949 * tree.c, tree.h (build_parse_node): Remove; was identical to
3951 * c-lang.c (start_cdtor), objc/objc-act.c
3952 (build_module_descriptor): Use build_nt instead of
3955 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3957 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3958 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3959 not have any upper bits set.
3961 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3963 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3965 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3967 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3969 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3971 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3972 (integer_minus_one_node): Define.
3974 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3976 * Makefile.in (bootstrap2-lean): Fix typo.
3978 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3980 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3981 : Don't set fe_value.
3982 * cpplib.h (AVOID_LPASTE): New flag.
3983 (struct cpp_hashnode): Remove fe_value.
3984 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3985 * cppmacro.c (builtin_macro): Don't set flags here.
3986 (replace_args): Set AVOID_LPASTE flag on first token of an
3987 argument, and the token following it.
3988 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3989 macro expansion, and on the token following it. Do it for
3991 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3993 2001-01-27 Richard Henderson <rth@redhat.com>
3995 * config/alpha/t-ieee: Remove multilibbing.
3996 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3998 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4000 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4002 * Makefile.in: Remove all dependencies on defaults.h.
4003 * builtins.c: Don't include defaults.h.
4004 * c-common.c: Likewise.
4005 * c-decl.c: Likewise.
4006 * c-pragma.c: Likewise.
4007 * c-typeck.c: Likewise.
4008 * combine.c: Likewise.
4010 * frame-ia64.c: Likewise.
4011 * cppexp.c: Likewise.
4012 * crtstuff.c: Likewise.
4013 * dbxout.c: Likewise.
4014 * dwarf2out.c: Likewise.
4015 * dwarfout.c: Likewise.
4016 * emit-rtl.c: Likewise.
4017 * except.c: Likewise.
4019 * final.c: Likewise.
4020 * frame-dwarf2.c: Likewise.
4021 * libgcc2.c: Likewise.
4022 * optabs.c: Likewise.
4023 * profile.c: Likewise.
4024 * sdbout.c: Likewise.
4025 * toplev.c: Likewise.
4026 * tradcif.y: Likewise.
4028 * varasm.c: Likewise.
4030 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4032 * builtins.c (expand_builtin_fputs): Use size_one_node when
4033 transforming into fwrite.
4035 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4037 * extend.texi (Attribute Syntax): New section.
4039 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4041 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4042 they didn't need fixing.
4044 2001-01-27 Janis Johnson <janis@us.ibm.com>
4046 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4048 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4049 to remove macro definitions that are duplicated from elfos.h.
4051 2001-01-27 Richard Henderson <rth@redhat.com>
4053 * config/i386/sco5gas.h: Move ...
4054 * config/usegas.h: ... here.
4055 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4057 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4059 * c-typeck.c (struct constructor_stack): Add range_stack member.
4060 (really_start_incremental_init): Clear it.
4061 (push_init_level): Save constructor_range_stack and clear it if
4062 pushing explicit braces.
4063 (pop_init_level): abort if constructor_range_stack is non-zero at
4064 explicit closing brace. Restore saved constructor_range_stack if
4067 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4069 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4070 into register was forced into memory.
4072 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4074 * Makefile.in: Remove uses of + before $(MAKE).
4076 2001-01-26 Richard Henderson <rth@redhat.com>
4078 * stmt.c (cost_table): Remove.
4079 (COST_TABLE, cost_table_initialized): New.
4080 (estimate_case_costs): Use the later instead of the former.
4081 (balance_case_nodes): Likewise.
4083 2001-01-26 Richard Henderson <rth@redhat.com>
4085 * alias.c (objects_must_conflict_p): Read-only slots may not
4086 conflict despite having the same type.
4088 2001-01-27 Michael Hayes <mhayes@redhat.com>
4090 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4092 (check_ext_dependant_givs): Initialise u_start_val and
4094 (load_mems): Make last_max_reg unsigned.
4095 (try_swap_copy_prop): Use INSN_P and initialise set.
4097 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4099 * README.AVR : Removed.
4101 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4103 * pa-64.h (text_section): Remove declaration.
4105 * pa.md (return_internal): Remove mode on PIC register use.
4107 2001-01-25 lars brinkhoff <lars@nocrew.org>
4109 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4110 ASM_CLOSE_PAREN): fix typos.
4112 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4114 * acconfig.h: Define `const' to the empty string if neither
4115 __STDC__ nor __cplusplus is defined.
4116 * config.in: Regenerated.
4118 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4120 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4121 * collect2.c (main): Delete importf. Add ".obj" file extension.
4122 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4123 (aix_std_libs): Add additional AIX libraries to skip.
4124 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4125 * config/rs6000/aix51.h: New file.
4127 2001-01-25 Michael Hayes <mhayes@redhat.com>
4129 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4130 (loop_insn_emit_before): No longer static.
4131 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4132 (loop_givs_rescan, load_mems): Likewise.
4133 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4134 (maybe_eliminate_biv_1):
4135 (move_movables): Replace emit_call_insn_before with
4136 loop_call_insn_hoist.
4137 * loop.h (loop_insn_emit_before): Add.
4138 * unroll.c (copy_loop_body): Replace emit_insn_before with
4139 loop_insn_emit_before.
4141 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4143 * diagnostic.c (fatal): Request preprocessed source.
4145 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4147 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4148 olddecl has argument types and newdecl has none, use the argument
4151 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4153 * dwarf2out.c (prefix_of): New function. Determine longest common
4154 prefix of the two arguments. The units are whole path components.
4155 (output_file_names): When adding a new directory find the one entry
4156 with the longest common prefix already in the list. Artificially
4157 generate entry if there is none for this prefix.
4158 Fix test to check whether the zeroth directory entry is used.
4160 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4162 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4163 Changed all callers. Take it into account when deciding if a
4164 previously loaded value matches.
4166 2001-01-24 Richard Henderson <rth@redhat.com>
4168 * reload.c (find_reloads_subreg_address): Fail the substitution
4169 if the resulting address is insufficiently aligned.
4171 2001-01-24 DJ Delorie <dj@redhat.com>
4173 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4174 check the original operand's mode also.
4175 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4177 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4179 * c-parse.in (cast_expr): Move compound literals from here ...
4180 (primary): ... to here. Use standard terminology "compound
4181 literal" instead of "constructor expression".
4183 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4185 * gcc.1, cpp.1: Regenerate.
4187 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4189 * calls.c (emit_library_call_value_1): Memory slot for
4190 pass-by-reference argument should have the mode of the argument,
4191 not of the pointer to it.
4193 2001-01-24 Tom Tromey <tromey@redhat.com>
4195 * gcc.texi (G++ and GCC): Mention gcj manual.
4196 (Standards): Link to section of manual mentioning gcj/Java
4199 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4201 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4202 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4203 * tradcpp.c (main): Add -imacros or -include'd dependencies
4205 * cpp.texi (-M, -MM): Document -M -include behaviour.
4207 2001-01-24 Roger Collins <roger@ProProject.com>
4209 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4211 2001-01-24 Will Cohen <wcohen@redhat.com>
4213 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4214 whether registers are 32 bits or 64 bits in size.
4216 2001-01-24 Ben Elliston <bje@redhat.com>
4218 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4220 2001-01-24 Richard Henderson <rth@redhat.com>
4222 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4223 (builtin_longjmp): Use it instead of emit_indirect_jump.
4225 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4227 * bb-reorder.c (make_reorder_chain_1): Handle case where
4228 jump edge goes to the same block as the fallthru edge.
4230 2001-01-23 Jim Wilson <wilson@redhat.com>
4232 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4233 * frame.h (__ia64_personality_v1): Add prototype.
4234 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4235 prototype form. Add void * cast to first argument to personality
4237 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4238 (asctoe113): Likewise.
4239 * config/ia64/frame-ia64.c: Include eh-common.h.
4240 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4242 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4244 (itanium_split_issue): Add prototype.
4245 (gen_nop_type): Ifdef out.
4246 (find_best_packet): Initialize best_packet.
4247 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4249 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4250 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4251 (flushrs): Add explicit stop bit at end.
4252 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4255 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4257 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4259 * libgcc2.c (__terminate_func): Make variable static.
4260 (__terminate_set_func): New function to set __terminate_func.
4261 * libgcc2.h (__terminate_func_ptr): New typedef.
4262 (__terminate_set_func): New function.
4264 2001-01-23 Richard Henderson <rth@redhat.com>
4266 * flow.c (init_propagate_block_info): Don't consider unchanging
4267 memories for dead frame store elimination.
4269 2001-01-23 Richard Henderson <rth@redhat.com>
4271 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4272 * defaults.h: ... here.
4274 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4276 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4278 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4280 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4282 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4284 * rs6000.h (rs6000_return_addr): Move prototype from here...
4285 * rs6000-protos.h (rs6000_return_addr): ...to here.
4286 (rs6000_init_expanders): Delete prototype.
4288 2001-01-23 Nick Clifton <nickc@redhat.com>
4290 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4291 (Spec Files): Document %B and %j and %. and %v3 and %M and
4292 %{S*&T} spec switches.
4294 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4296 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4298 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4299 Neil Booth <neil@daikokuya.demon.co.uk>
4301 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4302 Have -Werror make pedantic warnings errors, like the
4305 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4307 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4309 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4311 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4312 * integrate.c (expand_inline_function): Initialize them.
4313 (subst_constants): If changing COMPARE so that both its arguments
4314 will be VOIDmode and the comparison mode will be lost, note
4315 compare_mode. Use the recorded compare_mode to optimize
4318 2001-01-23 Jason Merrill <jason@redhat.com>
4320 * dwarf2out.c (new_die): Use xcalloc.
4321 (output_die): Abort rather than emit a local reference to offset 0.
4323 2001-01-17 Andrew Haley <aph@redhat.com>
4325 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4326 of a saved register; return NULL instead.
4327 (copy_reg): Take a pointer to a source register rather than a
4329 (next_stack_level): Remember the address in the stack frame of all
4331 Use the saved register pointer array as the source of the CFA.
4332 (throw_helper): Rewrite. Unwind once rather than twice and keep
4333 track of saved registers as we go.
4335 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4337 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4338 * c4x.c (c4x_legitimize_reload_address): Remove.
4339 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4340 reload address for ldp(k) insn.
4342 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4344 * pa.md (return_internal): Add a USE of the PIC register to ensure
4345 it is restored after each call.
4346 (return expander): Corresponding changes.
4348 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4350 * rs6000.h (INIT_EXPANDERS): Delete.
4351 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4352 * rs6000.c (rs6000_override_options): Call *_machine_status from
4354 (rs6000_init_expanders): ...instead of here. Delete.
4355 (rs6000_mark_machine_status): New function.
4356 (rs6000_init_machine_status): Use xcalloc.
4357 (rs6000_return_addr): Generate RTX for the return address.
4358 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4359 (rs6000_stack_info): Use it.
4361 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4363 * gthr-win32.h: Include errno.h to get a declaration for
4364 EINVAL and _mingw.h if the target is mingw32.
4366 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4368 * cpp.texi: Correct typos.
4370 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4372 * explow.c (probe_stack_range): Ensure value passed to
4373 stack_check_libfunc is ptr_mode, not Pmode.
4375 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4377 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4378 case, don't use operand_subword to calculate a SUBREG that is
4381 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4383 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4385 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4386 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4387 valid. If not replace it by equivalent insns.
4389 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4391 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4392 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4393 (c4x_U_constraint, symbolic_address_operand): Likewise.
4394 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4396 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4397 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4398 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4399 anulling slot because of silicon bug.
4400 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4402 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4404 * cppexp.c (parse_charconst): Change `mask' type to agree
4407 2001-01-21 Richard Henderson <rth@redhat.com>
4409 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4410 pic_label_name in a linkonce section.
4412 2001-01-17 Philipp Thomas <pthomas@suse.de>
4414 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4416 * configure: Regenerate.
4418 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4420 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4421 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4423 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4425 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4426 If REVERSE nonzero then condition code in X must be reversed.
4427 (encode_section_info): Optimise if/else.
4428 (avr_function_value): Fix formatting.
4430 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4431 (difficult_branch): Likewise.
4432 (rvbranch): Likewise.
4433 (difficult_rvbranch): Likewise.
4435 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4437 * config/avr/libgcc.S: Fix comment.
4439 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4441 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4443 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4445 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4447 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4449 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4450 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4451 * configure, config.in: Regenerate.
4452 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4453 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4454 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4455 (doprint.o): New rule.
4457 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4459 * c-typeck.c (digest_init): Handle boolean types as scalars.
4461 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4463 * stmt.c (expand_return): Don't return anything if size is zero.
4464 Delete redundant assignment to BYTES.
4465 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4467 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4469 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4470 the same as the default library function names.
4471 * config/avr/avr.md: Document special characters after '%'.
4472 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4473 knowing which of the call-used registers are really clobbered.
4474 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4475 New. Both quotient and remainder from one libgcc.S call.
4476 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4477 clobber as few registers as possible.
4478 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4480 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4482 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4483 context of the top of the stack.
4485 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4487 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4488 (fixup_var_refs_insns): ...here.
4490 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4492 * function.c (fixup_var_refs_insns): Break up into
4493 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4494 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4495 [loop over hash table entries].
4496 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4497 fixup_var_refs_insns_with_hash, to match above changes.
4499 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4501 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4502 (libgcc.a): Likewise.
4503 (stmp-multilib): Likewise.
4504 (STAGE2_FLAGS_TO_PASS): Likewise.
4506 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4508 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4509 temporary if no_new_pseudos.
4511 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4513 * cppinternals.texi: Update.
4515 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4517 * arm.c (arm_init_builtins): Re-enable builtins.
4519 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4521 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4522 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4523 element to be null, and always expect an EXPR_LIST.
4524 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4525 * sched-deps.c (sched_analyze_1): Likewise.
4526 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4528 * regclass.c (max_set_parallel): New variable.
4529 (reg_scan): Take it into account in computation of max_parallel.
4530 (reg_scan_mark_refs, case SET): Compute it.
4532 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4534 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4535 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4537 2001-01-19 Jason Merrill <jason@redhat.com>
4539 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4540 for the abstract instance of an inline function.
4542 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4543 J"orn Rennecke <amylaar@redhat.com>
4545 * reload1.c (move2add_note_store): Treat all registers directly or
4546 indirectly derived from a base register as members of the same set
4548 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4549 of base register into account.
4551 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4553 * alias.c (find_base_value): Recognize TRUNCATE.
4554 (record_set): In PLUS case, invalidate if other summand is also a
4557 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4559 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4560 entry to be EXPR_LIST.
4561 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4562 be an EXPR_LIST (but not null, which other code doesn't allow).
4563 (note_stores): Properly handle PARALLEL in SET.
4564 Recursively call for top-level PARALLEL.
4565 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4566 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4568 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4570 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4572 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4573 not pfile->skipping (== 0).
4575 2001-01-17 Nick Clifton <nickc@redhat.com>
4577 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4580 2001-01-17 Jim Wilson <wilson@redhat.com>
4582 * invoke.texi (IA-64 options): Improve.
4584 2001-01-17 Tom Tromey <tromey@redhat.com>
4586 * invoke.texi (Optimize Options): Use `{}' to around @samp
4589 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4591 * invoke.texi (-fno-guess-branch-probability): New option.
4593 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4595 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4596 case of making new double-word constant.
4597 Revert last change: instead just test i3_subst_into_i2.
4599 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4601 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4602 Use q constraints instead of r.
4604 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4606 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4607 (machine_function): Define.
4608 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4609 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4610 pa_free_machine_status): New functions.
4611 (override_options): Set {init,mark,free}_machine_status to above.
4612 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4613 PIC_OFFSET_TABLE_REGNUM_SAVED.
4614 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4615 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4616 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4617 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4618 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4620 2001-01-15 DJ Delorie <dj@redhat.com>
4622 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4626 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4628 * flow.c (propagate_on_insn): Make trying to delete a prologue
4629 or epilogue insn an ICE, not a warning. Allow doing this if
4630 the current function returns with stack pointer depressed.
4632 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4633 I3 having more than one SET.
4635 2001-01-16 Jim Wilson <wilson@redhat.com>
4637 * invoke.texi: Document IA-64 options.
4639 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4640 (fixup_errata): Delete TARGET_A_STEP use.
4641 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4642 (TARGET_SWITCHES): Delete -ma-step option.
4643 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4644 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4645 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4646 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4647 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4648 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4650 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4651 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4652 cmovsi_internal): Delete ! TARGET_A_STEP check.
4654 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4656 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4657 possibility to report bugs via postal mail. Change a URL and
4658 merge in a nearly duplicate statement...
4659 (Bug Reporting): ...from here.
4660 (Service): Refer to the Bug Reporting section instead of
4662 (Contributing): Remove trivial explanations concerning snapshots.
4664 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4666 * cppmain.c (general_init): Don't use ANSI prototype.
4668 2001-01-16 Tom Tromey <tromey@redhat.com>
4670 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4672 2001-01-16 Richard Henderson <rth@redhat.com>
4674 * config/i386/i386.h: Fix comment typo.
4675 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4676 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4678 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4680 * gcc.c: Revert previous -fsyntax-only-related change; move
4683 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4685 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4686 inmode after checking GET_CODE (op).
4688 2001-01-16 Richard Henderson <rth@redhat.com>
4690 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4691 (MAX_MEM_SET_LIST_LEN): New.
4692 (propagate_one_insn): Update mem_set_list_len.
4693 (invalidate_mems_from_autoinc): Likewise.
4694 (invalidate_mems_from_set): Likewise.
4695 (mark_used_regs): Likewise.
4696 (init_propagate_block_info): Likewise. Stop collecting memories
4697 when we reach MAX_MEM_SET_LIST_LEN.
4698 (mark_set_1): Likewise.
4700 2001-01-16 Richard Henderson <rth@redhat.com>
4702 * unroll.c (precondition_loop_p): Fail if no iteration
4705 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4707 * gcc.c: When -fsyntax-only is given, do not complain about
4710 2001-01-15 Richard Henderson <rth@redhat.com>
4712 * config/i386/i386.c (asm_output_function_prefix): Remove.
4713 (ix86_asm_file_end): New.
4714 (load_pic_register): Generate pic_label_name into a
4715 staticly allocated buffer.
4716 * config/i386/i386-protos.h: Update.
4717 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4718 (ASM_FILE_END): New.
4719 * config/i386/i386afe.h: New file.
4720 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4721 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4722 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4723 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4724 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4725 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4726 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4728 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4730 * Makefile.in (install-man): Remove explicit dependency on
4733 * configure.in, configure: Revert previous patch requiring perl
4736 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4738 * toplev.c (flag_guess_branch_prob): New.
4739 (f_options): Add guess-branch-probability option.
4740 (rest_of_decl_compilation): Only estimate branch probability if
4742 (main): set flag_guess_branch_prob.
4744 * flags.h (flag_guess_branch_prob): New.
4746 2001-01-15 DJ Delorie <dj@redhat.com>
4748 * gcc.texi (Makefile): Add documentation for Makefile targets.
4750 2001-01-15 Philip Blundell <philb@gnu.org>
4752 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4754 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4755 (is_pic): Delete declaration.
4756 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4757 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4758 * config/arm/arm.md (builtin_setjmp_receiver): New.
4760 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4762 * arm.c (use_return_insn): Don't try to determine the function type
4763 until after reload has completed.
4764 (arm_output_epilogue): Don't adjust the sp value recovered from the
4766 (emit_multi_reg_push): Don't record dwarf information for the pc.
4767 * arm.md (eh_epilogue): The function type may have changed, so it
4768 needs to be recalculated.
4769 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4770 unwind tables on arm/netbsd.
4772 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4774 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4775 (negated_cbranchsi4): Likewise.
4777 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4779 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4780 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4781 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4782 pass -mapcs-* options to assembler.
4783 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4784 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4785 (ASM_SPEC): Call subtarget_extra_asm_spec.
4787 2001-01-15 Andreas Jaeger <aj@suse.de>
4789 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4791 (ix86_expand_builtin): Likewise.
4793 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4794 warning about comparison between signed and unsigned.
4796 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4798 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4800 2001-01-14 Ralf Baechle <ralf@gnu.org>
4802 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4803 SUBTARGET_CPP_SPEC apropriatly.
4805 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4807 * varasm.c (make_decl_rtl): Fix typo in last change.
4809 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4811 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4812 linker supports the init_priority C++ attribute.
4813 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4814 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4815 linker does not support init_priority C++ attribute.
4817 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4819 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4821 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4823 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4824 * cp/lex.c (finish_parse): Similarly.
4825 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4826 Return the number of errors encountered.
4827 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4828 * cppmain.c (main): Don't call cpp_destroy.
4830 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4832 * configure.in: Require at least perl 5.6.0 to regenerate
4834 * configure: Regenerate.
4836 2001-01-14 Richard Henderson <rth@redhat.com>
4838 * genrecog.c (DT_veclen_ge): New.
4839 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4840 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4841 (nodes_identical_1): Handle DT_veclen_ge.
4842 (write_cond, debug_decision_2): Likewise.
4844 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4846 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4848 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4850 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4852 * cppmain.c (do_preprocessing): New function; most of the old
4854 (main): Call it to do most of the work.
4855 (cb): Move from global scope to set_callbacks ().
4856 (setup_callbacks): Get the callback pointer.
4857 (general_init, printer_init): Clean up code and comments.
4859 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4861 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4864 2001-01-14 Kazu Hirata <kazu@hxi.com>
4866 * config/h8300/h8300.c (get_shift_alg): Update comments.
4868 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4870 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4871 (alloc_page, ggc_alloc): Add casts to remove warnings.
4873 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4875 * combine.c (simplify_comparison): Don't change `code' when
4876 can't reverse comparison.
4878 2001-01-14 Richard Henderson <rth@redhat.com>
4880 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4881 update all call sites. Return true for all non-label constants.
4883 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4885 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4887 (ix86_expand_branch): Update.
4888 (ix86_expand_setcc): Update to handle multiple test conditions.
4889 (expand_int_movcc): Likewise.
4890 (expand_fp_movcc): Likewise.
4891 * i386-protos.h (ix86_expand_compare): New.
4892 * i386.md (andqi_?_slp, orqi_?_slp): New.
4893 (conditional trap expander): Update call to ix86_expand_compare.
4895 2001-01-14 Richard Henderson <rth@redhat.com>
4897 * config/vax/vax.md: Use nonimmediate_operand instead of
4898 general_operand in destinations.
4900 * config/vax/vax.md (indirect_jump): Use register_operand.
4902 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4903 * config/vax/vax.md (call_pop): Turn into an expander.
4904 (call_value_pop): Likewise.
4905 (call, call_value): New.
4907 2001-01-14 Andreas Jaeger <aj@suse.de>
4909 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4911 (ix86_fp_compare_mode): Add unused attribute.
4912 (ix86_expand_fp_movcc): Remove unused variable.
4913 (ix86_expand_builtin): Make fcode unsigned.
4915 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4916 (expand_expr): Add cast to avoid signed warning.
4917 (store_field): Likewise.
4918 (store_constructor_field): Likewise.
4919 (store_constructor): Likewise.
4920 (store_expr): Likewise.
4921 (clear_storage): Likewise.
4922 (emit_group_store): Likewise.
4923 (emit_group_load): Likewise.
4925 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4927 * c-common.c: Move format checking code to ...
4928 * c-format.c: ... here. New file. Reorder some functions and
4930 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4932 * c-common.h (decl_handle_format_attribute,
4933 decl_handle_format_arg_attribute): Declare.
4934 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4935 (c-common.o): Adjust dependencies.
4936 (c-format.o): New list of dependencies.
4938 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4940 * unroll.c (loop_iterations): If we cannot prove iteration variable
4941 is set once in each iteration, punt.
4943 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4945 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4946 (*strlenhi): Remove clobber (which was buggy) of output address.
4948 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4950 * Makefile.in (generated-manpages): Add gcc.1
4951 ($(srcdir)/gcc.1): New target.
4952 (maintainer-clean): Delete $(srcdir)/gcc.1.
4953 * gcc.texi: Add macros @gccoptlist and @gol.
4954 * invoke.texi: Include option summary in manpage. Mark up option
4955 summary with @gccoptlist and @gol. Use @r in one place where
4957 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4958 * gcc.1: Generate from invoke.texi.
4960 2001-01-13 Richard Henderson <rth@redhat.com>
4962 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4963 (struct page_entry): Add group member.
4964 (struct page_group): New.
4965 (struct globals): Add page_groups member.
4966 (alloc_anon): Only define for using mmap; remove valloc call.
4967 (page_group_index): New.
4968 (set_page_group_in_use): New.
4969 (clear_page_group_in_use): New.
4970 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4971 (free_page, release_pages): Likewise.
4972 * configure.in (with-gc): Default to ggc-page always.
4974 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4976 * reload1.c (replace_pseudos_in_call_usage): Use
4977 reg_equiv_constant and reg_equiv_address, and don't try
4978 regno_reg_rtx first.
4980 2001-01-13 Richard Henderson <rth@redhat.com>
4982 * ggc-page.c (alloc_page): Round up allocation size to one page.
4983 Set e->order on extra pages.
4985 2001-01-13 Richard Henderson <rth@redhat.com>
4987 * genrecog.c (nodes_identical): Expand commentary.
4988 (write_switch): Watch out for identical nodes.
4990 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4992 * cppfiles.c (_cpp_fake_include): New function.
4993 * cpphash.h (_cpp_fake_include): New.
4994 * cpplib.c (do_line): Call _cpp_fake_include when entering
4995 header files in preprocessed input.
4996 * cppmain.c (cb_pragma_implementation): Remove handling.
4997 (setup_callbacks): Don't register pragmas.
4999 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5001 * extend.texi: Udate for CPP.
5003 2001-01-13 Andreas Jaeger <aj@suse.de>
5005 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5007 * regmove.c: Add prototype for replace_in_call_usage.
5009 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5011 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5012 struct cpp_chunk, struct htab, struct toklist,
5013 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5014 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5015 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5016 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5017 (struct macro_args): Delete.
5018 * cpphash.h: See above.
5020 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5022 * cppmain.c (struct printer): Remove no_line_dirs.
5024 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5025 : Use options rather than CPP_OPTION.
5026 (setup_callbacks): Use cb rather than pfile->cb.
5027 (main): No need to check for a buffer. Use cpp_errors.
5028 (printer_init): Don't set no_line_dirs.
5029 (maybe_print_line): Use options not no_line_dirs.
5030 (cb_file_change): Don't call print_line if -P.
5032 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5034 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5036 * c-parse.in (finish_parse): Use cpp_errors.
5037 (__yylex): Use return value of cpp_pop_buffer.
5038 * cp/lex.c (finish_parse): Use cpp_errors.
5039 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5041 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5043 * README.AVR: URLs corrected.
5045 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5047 * c-decl.c (start_function): Don't warn if old prototype is builtin
5048 that's not in C's namespace.
5049 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5050 (_bb): Add prototype for ctime.
5051 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5053 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5055 * i386.c (ix86_fp_comparison_arithmetics_cost,
5056 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5057 ix86_fp_comparison_cost): New functions.
5058 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5059 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5060 two-branch sequences; make static.
5061 (ix86_use_fcomi_compare): Do decision according to the costs.
5062 (split_fp_branch): New.
5063 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5064 * i386-protos.h (ix86_expand_fp_compare): Remove
5065 (ix86_split_fp_branch): Declare.
5067 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5068 and ix86_comparison_operator.
5070 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5073 * i386.c (put_condition_code): Output properly the unordered/ordered
5074 compares in fp case.
5075 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5077 * tm.texi (REVERSE_CONDITION): Document.
5078 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5079 in -ffast-math mode.
5080 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5082 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5084 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5086 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5089 * config/sh/sh.c (mova_p): Fix test for mova_const.
5091 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5093 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5094 cpp_get_options rather than dereferencing pfile and using
5096 * scan-decls.c (scan_decls): Use return value of
5097 cpp_pop_buffer rather than CPP_BUFFER.
5099 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5101 * cppinit.c (cpp_handle_option): help_only is now part of the
5102 cpp_options structure.
5103 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5104 cpp_set_callbacks): New functions.
5105 * cpplib.h (cpp_callbacks): Break out as a named structure.
5106 (cpp_options): Move help_only here from cpp_reader.
5107 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5108 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5109 cpp_set_callbacks): New prototypes.
5110 * cppmain.c (main): Update for help_only.
5112 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5114 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5115 Also build and remove and install and uninstall c-tree.info and
5117 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5118 ($(srcdir)/cppinternals.info): New target.
5119 * c-tree.texi: Change file name used when makeinfo used without -o
5120 from ir.info to c-tree.info. Add info directory entry.
5121 * cppinternals.texi: Add info directory entry.
5122 * .cvsignore: Update.
5124 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5126 * c-typeck.c (store_init_value): Don't require constant initializer
5127 elements with -pedantic -std=c99.
5128 (digest_init): Change error about non-constant initializer elements
5130 (constructor_range_end): Remove.
5131 (constructor_incremental, designator_depth,
5132 designator_errorneous): New variables.
5133 (struct constructor_stack): Remove range_end, add incremental.
5134 (struct constructor_range_stack, constructor_range_stack): New.
5135 (struct initializer_stack): Add constructor_range_stack.
5136 (finish_init): Set it.
5137 (start_init): Likewise. require_constant_elements for non-static
5138 trees only if not flag_isoc99.
5139 (really_start_incremental_init): Remove constructor_range_end, add
5140 constructor_incremental.
5141 (pop_init_level): Likewise.
5142 (push_init_level): Likewise. If implicit and the subobject had some
5143 value set already, preinitialize the level with it.
5144 Warn about missing braces only if not pushing due to designators.
5145 (set_designator, push_range_stack): New functions.
5146 (set_init_label): Use them.
5147 (set_init_index): Likewise. Remove constructor_range_end.
5148 Error if designator index is outside of array bounds.
5149 (add_pending_init): Compare values of purpose index trees, not the
5150 trees themselves. Allow overwriting of already initialized element.
5151 Issue a warning if it had side-effects.
5152 (set_nonincremental_init, set_nonincremental_init_from_string): New
5154 (pending_init_member): Rename to...
5155 (find_init_member): ...this function. Call set_nonincremental_init
5156 if necessary. Compare values of purpose index trees, not the trees
5157 themselves. Return the actual value, not just non-zero if something
5159 (output_init_element): Remove checks for duplicates.
5160 If field has zero size, only check the initializer for correctness.
5161 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5162 if constructor_incremental is zero. Change error about initializers
5163 not computable at load time into pedwarn.
5164 (output_pending_init_elements): Compare bit positions, not
5165 FIELD_DECLs to take into account zero-sized fields.
5166 (process_init_element): Use constructor_range_stack to fill all
5167 ranges in the designator lists from current level up.
5168 * extend.texi: Update documentation for labeled elements.
5170 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5172 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5173 to function usage for arguments passed by reference. Optimize
5174 callee-copied arguments.
5175 * regmove.c (replace_in_call_usage): New function.
5176 (fixup_match_1): Call it.
5177 * cse.c (cse_insn): Canonicalize registers in function usage.
5178 * reload1.c (replace_pseudos_in_call_usage): New function.
5181 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5184 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5186 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5189 2001-01-12 DJ Delorie <dj@redhat.com>
5191 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5192 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5195 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5197 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5198 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5199 -std options alongside references to -ansi. Update some
5200 documentation for C99.
5201 * cpp.1: Regenerate.
5203 2001-01-12 Andreas Jaeger <aj@suse.de>
5205 * haifa-sched.c (restore_line_notes): Remove argument block B
5207 * sched-ebb.c (schedule_ebb): Change caller.
5208 * sched-rgn.c (schedule_region): Likewise.
5209 * sched-int.h (restore_line_notes): Adjust prototype.
5211 * loop.h: Remove wrong declaration of doloop_condition_get.
5213 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5215 * extend.texi: Move C++-extension-related node from the C section
5216 into the C++ section.
5218 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5220 * extend.texi: Refer to an array of pointers to functions instead
5221 of one of functions.
5223 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5224 Jan Hubicka <jh@suse.cz>
5226 * combine.c (reversed_comparison): Fix typo in last patch.
5228 (combine_reversed_comparison_code): Make static to follow
5229 prototype declaration.
5231 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5233 * install.texi: Remove misplaced duplicate entry.
5235 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5237 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5239 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5241 * final.c: (leaf_function_p): Fix typo.
5243 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5245 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5246 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5248 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5249 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5250 mmap_anon, and valloc is available.
5251 * ggc-page.c: Restructure ifdef logic to match new autoconf
5252 spec. Don't throw away the test page in init_ggc.
5254 * configure, config.in: Regenerate.
5256 2001-01-12 Michael Hayes <mhayes@redhat.com>
5258 * loop.h (total_biv_increment): Constify iv_class pointer.
5259 (struct induction): Replace `mem_mode' with `mem' rtx.
5260 * unroll.c (total_biv_increment): Constify iv_class pointer.
5261 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5262 (find_mem_givs, combine_givs_p): Likewise.
5263 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5265 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5267 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5269 (__gthread_getspecific): Ditto.
5271 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5273 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5274 put_condition_code): Convert fp comparison codes to integer
5276 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5279 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5280 * i386-protos.h (no_comparison_operator): Kill.
5282 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5284 * combine.c (REVERSIBLE_CC_MODE): Remove.
5285 (reversible_comparison_p): Remove.
5286 (combine_reversed_comparison_code): New.
5287 (reversed_comparison): New.
5288 (combine_simplify_rtx): Use
5289 combine_reversed_comparison_code/reversed_comparison instead
5290 of reversible_comparison_p.
5291 (simplify_if_then_else): Likewise.
5292 (simplify_set): Likewise.
5293 (simplify_logical): Likewise.
5294 (if_then_else_cond): Likewise.
5295 (known_cond): Likewise.
5296 (simplify_comparison): Likewise.
5298 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5300 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5301 sizeof (int) is larger than sizeof(__word__).
5303 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5305 * cppinit.c (do_includes): Fix typo.
5307 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5309 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5310 in S_REGS does not occur because not all sources are possible
5311 when a S_REGS is a destination (sometimes needs a clobber).
5312 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5313 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5314 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5315 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5316 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5317 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5318 (lshrdi_const1, lshrsi3_const16): Likewise.
5319 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5320 (*movhi_68hc12, *movqi_68hc12): Likewise.
5321 (movstrictqi): Make sure reloading in D_REGS as a destination
5324 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5326 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5328 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5330 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5331 -D, -U and -A, and don't initialize the builtins.
5332 (do_includes): Error if -include or -imacros with -fpreprocessed.
5333 * cppmain.c (cb_define, cb_undef): Unconditionally process
5335 * tradcpp.c (main): Fix typo.
5337 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5339 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5340 (read_name_map): Use IS_ABSOLUTE_PATH.
5341 * tradcpp.c (get_filename): Likewise.
5343 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5345 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5346 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5347 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5348 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5349 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5350 (cmphi_z_used): Don't use '@' for the output.
5351 (tstqi_z_used): Likewise.
5352 (cmpqi_z_used): Likewise.
5353 (one_cmplsi2): Likewise.
5355 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5357 * config/sh/sh.c (barrier_align): Recognize branch around far
5358 branch and redundant insn.
5360 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5362 * invoke.texi: Restore documentation of the drivers' switches -MD
5365 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5367 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5369 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5370 check-objc//%): Support parallel testing of multilibs.
5371 (TESTSUITEDIR): Set to testsuite by default, but override for
5373 (check-gcc, check-g++, check-g77, check-objc): Enter
5376 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5378 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5379 * sched-deps.c (deps_may_trap_p): Likewise.
5380 * basic-block.h: Remove a comment.
5381 * flow.c (PROP_POSTRELOAD): Remove.
5382 (update_life_info): Don't add it to prop_flags.
5383 (mark_set_1): Lose the code that was enabled by it.
5385 2001-01-11 Michael Hayes <mhayes@redhat.com>
5387 * flow.c (flow_call_edges_add): New.
5388 * basic_block.h (flow_call_edges_add): New.
5390 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5392 * reload1.c (move2add_note_store): Update reg_set_luid even if
5393 base reg remains the same.
5395 2001-01-10 Nick Clifton <nickc@redhat.com>
5397 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5398 machine_function structure to zero.
5399 Add prototypes for machine_status functions.
5401 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5403 * c-common.h (CTI_VOID_LIST): Remove.
5404 (void_list_node): Likewise.
5405 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5406 (void_list_node): New macro.
5407 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5408 * config/i386/i386.c (ix86_init_builtins): Likewise.
5409 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5411 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5413 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5414 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5416 * tradcpp.c: Include mkdeps.h.
5417 (deps, print_deps_phony_targets, deps_append, output_deps,
5418 init_dependency_output, output_deps): New.
5419 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5420 deps_output): Delete.
5421 (print_deps_missing_files): Rename deps_missing_files.
5422 (inhibit_output): Make global.
5423 (main): Delete inhibit_output, deps_stream, deps_target.
5424 Use mkdeps functionality in the same way as cpplib. Remove
5425 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5426 -M and -MM. Remove old handling of deps via deps_out, and
5427 old reading of environment variables.
5428 (get_filename): Update to use deps_add_dep.
5430 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5432 * output.h (make_function_rtl): Remove prototype.
5433 (make_decl_rtl): Likewise.
5434 * varasm.c (make_function_rtl): Remove.
5435 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5436 than from a third parameter.
5437 * tree.h (make_decl_rtl): Remove last parameter.
5438 * c-decl.c (builtin_function): Remove last argument in call to
5439 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5440 (start_function): Likewise.
5441 * except.c (call_get_eh_context): Likewise.
5442 * expr.c (emit_block_move): Likewise.
5443 (clear_storage): Likewise.
5444 * profile.c (output_func_start_profiler): Likewise.
5445 * toplev.c (rest_of_decl_compilation): Likewise.
5446 * objc/objc-act.c (create_builtin_decl): Likewise.
5447 (synth_module_prologue): Likewise.
5448 (generate_static_reference): Likewise.
5449 (build_selector_reference_decl): Likewise.
5450 (build_class_reference_decl): Likewise.
5451 (build_objc_string_decl): Likewise.
5452 (build_protocol_reference): Likewise.
5454 2001-01-10 Richard Henderson <rth@redhat.com>
5456 * hwint.h: Revert yesterday's change.
5458 2001-01-10 Nick Clifton <nickc@redhat.com>
5460 * function.h (save_machine_status): Delete.
5461 (restore_machine_status): Delete.
5462 Amend comment describing {init|mark|free}_machine_status.
5464 * function.c (save_machine_status): Delete.
5465 (restore_machine_status): Delete.
5466 Amend comment describing {init|mark|free}_machine_status.
5467 (push_function_context_to): Remove invocation of
5468 save_machine_status.
5469 (pop_function_context_from): Remove invocation of
5470 restore_machine_status.
5472 * emit-rtl.c (init_emit_once): Amend comment describing
5473 {init|mark|free}_machine_status.
5475 * tm.texi (Per-Function Data): New node. Describe the
5476 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5479 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5481 * cppinit.c (OPT_g): Remove.
5482 (cpp_handle_option): Update for removed -g3.
5483 (print_help): Update.
5484 * cpplib.h (struct cpp_options): Remove debug_output.
5485 * cppmain.c (setup_callbacks, cb_define): Update.
5486 * gcc.c (cpp_options): Translate -g3 to -dD.
5488 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5490 * config/i960/i960.md: Change modifier to + on the zero_extract
5491 pattern after the (rotate -2 reg) canonicalization pattern.
5493 2001-01-10 Richard Henderson <rth@redhat.com>
5495 * config/alpha/alpha.c (alpha_free_machine_status): New.
5496 (override_options): Install it.
5497 (alpha_mark_machine_status): Verify machine non-null.
5498 * config/i386/i386.c (ix86_free_machine_status): New.
5499 (override_options): Install it.
5500 (ix86_init_machine_status): Use xcalloc.
5501 (ix86_mark_machine_status): Verify machine non-null.
5502 * config/ia64/ia64.c (ia64_free_machine_status): New.
5503 (ia64_override_options): Install it.
5504 (ia64_mark_machine_status): Verify machine non-null.
5506 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5508 * function.c (instantiate_virtual_regs): Instantiate virtual
5509 registers found in CALL_INSN_FUNCTION_USAGE.
5511 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5513 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5514 equivalent to -ansi in disabling -Di386.
5516 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5518 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5520 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5522 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5524 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5526 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5528 * invoke.texi: Document that -fcond-mismatch isn't supported for
5531 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5533 * gcc.texi: Define macro gcctabopt.
5534 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5535 @command, @env and @option in some places where appropriate. Use
5536 @gcctabopt where appropriate. Put URLs and email addresses inside
5539 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5541 * gcc.c (cpp_options): Set MD file name from output
5542 filename, if specified.
5543 (suffix_subst): New static variable.
5544 (do_spec): Clear it.
5545 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5547 (give_switch): Handle suffix_subst.
5549 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5551 * invoke.texi: Fix another typo.
5553 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5555 * invoke.texi: Fix typo.
5557 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5559 * c-lang.c (lang_hooks): Update.
5560 (lang_decode_option): Remove.
5561 (lang_init_options): Rename c_init_options.
5562 * toplev.c (main): Use lang_hooks for lang_init_options
5563 and lang_decode_option.
5564 * toplev.h (lang_hooks): Add 2 new hooks.
5565 * tree.h: Remove lang_init_options and lang_decode_option.
5566 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5567 * cp/decl2.c: Similarly.
5568 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5569 (lang_hooks): Update.
5570 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5572 (lang_init_options): Rename ffe_init_options.
5573 (lang_hooks): Update.
5574 (lang_decode_option): Remove.
5575 * java/lang.c (lang_init_options): Rename java_init_options.
5576 (lang_decode_option): Rename java_decode_option.
5577 (lang_hooks): Update.
5578 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5579 (lang_decode_option): Rename objc_decode_option.
5580 (lang_hooks): Update.
5582 2001-01-09 Nick Clifton <nickc@redhat.com>
5584 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5585 (d30v_return_addr_rtx): Delete.
5586 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5587 cfun->machine structure.
5588 (struct machine_function): Move to d30v.h
5589 (d30v_save_machine_status): Delete.
5590 (d30v_restore_machine_status): Delete.
5591 (d30v_init_machine_status): New Function.
5592 (d30v_mark_machine_status): New Function.
5593 (d30v_free_machine_status): New Function.
5594 (d30v_init_expanders): Use new functions.
5595 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5596 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5597 d30v_return_addr_rtx.
5599 * config/d30v/d30v.h (struct_machine): Move here.
5600 Add eh_epilogue_sp_ofs field.
5602 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5603 field in cfun->machine structure.
5605 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5607 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5608 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5609 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5611 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5613 * objc/lang-options.h: Remove bogus reference to
5616 2001-01-09 Kazu Hirata <kazu@hxi.com>
5618 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5621 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5623 * reload.c (find_reloads_address): Check for eliminable registers
5624 when substituting a constant expression for a pseudo.
5626 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5628 * c-common.c (enum format_type): Add format_type_error.
5629 (decode_format_type): New function.
5630 (decl_attributes): Use it.
5631 (format_kind_info): Adjust comment.
5633 2001-01-09 David O'Brien <obrien@BSDi.com>
5635 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5636 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5638 * config/i386/gnu.h: Don't include required platform specific .h files,
5639 tm.h will do it instead.
5640 * config/i386/i386elf.h: Likewise.
5641 * config/i386/linux.h: Likewise.
5642 * config/i386/moss.h: Likewise.
5643 * config/mips/gnu.h: Likewise.
5645 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5647 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5648 (rs6000-ibm-aix3.[01]*): Likewise.
5649 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5650 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5651 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5652 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5653 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5654 (powerpc-*-eabiaix*): Likewise.
5655 (powerpc-*-eabisim*): Likewise.
5656 (powerpc-*-elf*): Likewise.
5657 (powerpc-*-eabi*): Likewise.
5658 (powerpc-*-rtems*): Likewise.
5659 (powerpc-*-linux*libc1): Likewise.
5660 (powerpc-*-linux*): Likewise.
5661 (powerpc-wrs-vxworks*): Likewise.
5662 (powerpcle-wrs-vxworks*): Likewise.
5663 (powerpcle-*-sysv*): Likewise.
5664 (powerpcle-*-elf*): Likewise.
5665 (powerpcle-*-eabisim*): Likewise.
5666 (powerpcle-*-eabi*): Likewise.
5667 (powerpcle-*-solaris2*): Likewise.
5668 * config/rs6000/aix31.h: Delete includes.
5669 * config/rs6000/aix3newas.h: Likewise.
5670 * config/rs6000/aix41.h: Likewise.
5671 * config/rs6000/aix43.h: Likewise.
5672 * config/rs6000/beos.h: Likewise.
5673 * config/rs6000/rtems.h: Likewise.
5674 * config/rs6000/sysv4.h: Likewise.
5676 2001-01-09 Kazu Hirata <kazu@hxi.com>
5678 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5679 Change an argument mode of machine_mode to shift_mode of
5680 shift_mode. Remove an extra error check.
5681 (emit_a_shift): Adopt to the new calling prototype of
5683 (function_prologue): Fix code for a monitor
5684 function. Support H8/S.
5685 (function_epilogue): Do not output pop for a monitor function.
5687 2001-01-09 Nick Clifton <nickc@redhat.com>
5689 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5690 (setup_incoming_varargs): Use sysv_varargs_p field of the
5691 cfun->machine structure.
5692 (struct machine_function): Move to rs6000.h
5693 (rs6000_save_machine_status): Delete.
5694 (rs6000_restore_machine_status): Delete.
5695 (rs6000_init_machine_status): New Function.
5696 (rs6000_free_machine_status): New Function.
5697 (rs6000_init_expanders): Use new functions.
5699 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5701 (struct machine_function): Move here.
5703 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5704 sysv_varargs_p field of the cfun->machine structure.
5706 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5708 (rs6000_restore_machine_status): Remove prototype.
5710 2001-01-09 Richard Henderson <rth@redhat.com>
5712 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5713 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5714 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5715 (sched_analyze_2, sched_analyze_insn): Likewise.
5716 (sched_analyze, init_deps): Likewise.
5717 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5718 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5719 (compute_block_backward_dependences): Update propagate_deps call.
5721 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5723 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5725 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5727 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5728 (cpp_handle_option): Handle them.
5729 (cpp_post_options): Ensure one of -M or -MM is specified with
5730 any other -M? option.
5731 (init_dependency_output): Suppress output with -MG.
5733 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5736 * invoke.texi: Update.
5738 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5740 * sh.md (reload_outsf): Generate recognizable patterns for
5743 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5745 * c-lang.c (lang_hooks): Update.
5746 (lang_init): Rename c_init.
5747 (lang_finish): Remove.
5748 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5750 * toplev.h (lang_hooks): Add init () and finish ().
5751 * tree.h (lang_init, lang_finish): Remove.
5752 * cp/tree.h (lang_init, lang_finish): Remove.
5753 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5754 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5756 (lang_init, lang_finish): Remove.
5757 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5758 (lang_hooks): Update.
5759 * java/lang.c (lang_init): Rename java_init.
5760 (lang_finish): Remove.
5761 (lang_hooks): Update.
5762 * objc/objc-act.c (lang_init): Rename objc_init.
5763 (lang_finish): Remove.
5764 (lang_hoooks): Update.
5766 20001-01-09 Graham Stott <grahams@redhat.com>
5768 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5769 after `ptr` is initialised.
5771 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5773 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5774 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5775 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5776 stack adjusts, instead of r3.
5778 2001-01-09 Michael Hayes <mhayes@redhat.com>
5780 * flow.c (flow_loop_scan): Break out of ...
5781 (flow_loops_find) ... here.
5782 * basic-block.h (flow_loop_scan): New.
5783 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5784 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5786 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5788 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5790 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5791 realloc()ing macro_buffer.
5793 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5794 if it's wider than long and the target's long is wider than the
5797 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5799 Remove support for using UWIN as a host machine.
5800 * configure.in: Issue an error message.
5801 * configure: Regenerated.
5802 * config.gcc: Remove xm_* UWIN configury.
5803 * config/i386/xm-uwin.h: Remove.
5805 2001-01-08 Nick Clifton <nickc@redhat.com>
5807 * config/v850/v850.c (ra_rtx): Delete.
5808 (v850_save_machine_status): Delete.
5809 (v850_restore_machine_status): Delete.
5810 (v850_init_machine_status): New function.
5811 (v850_mark_machine_status): New function.
5812 (v850_free_machine_status): New function.
5813 (v850_return_addr): Use ra_rtx field in machine structure.
5814 (v850_init_expanders): Use new functions.
5816 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5817 * config/v850/v850.c: Change arguments to v850_output+* functions
5818 to take a const char *, to avoid compile time warning.
5819 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5820 (USER_LABEL_PREFIX): Redefine.
5822 2000-01-08 Jim Wilson <wilson@redhat.com>
5824 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5825 1 to unsigned HOST_WIDE_INT before left shift.
5827 2001-01-08 Nick Clifton <nickc@redhat.com>
5829 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5830 the machine structure has been allocated.
5831 (arm_free_machine_status): New function: Free the machine
5832 specific function structure.
5834 2001-01-08 Richard Henderson <rth@redhat.com>
5836 * jump.c (simplejump_p): Revert last change.
5838 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5840 * cppinit.c (init): Rename init_library.
5841 (cpp_create_reader): Update.
5842 * gcc.c (cpp_options): If -o given, use it as the target of
5845 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5847 * arm.c (arm_arch5e): New variable.
5848 (all_cores): XScale is a 5TE device.
5849 (arm_override_options): Set arm_arch5e.
5850 (arm_init_builtins): __builtin_prefetch is in arch5e.
5851 * arm.h (arm_arch5e): Declare it.
5853 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5855 * arm.md (define_constants): Add defines for UNSPEC and
5856 UNSPEC_VOLATILE insns. Update all users.
5857 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5858 * arm.c (multi_register_push, note_invalid_constants)
5859 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5860 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5861 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5863 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5865 * jump.c (jump_optimize_1): Use reversed_comparison_code
5866 instead of can_reverse_comparison_p.
5867 (jump_back_p): Likewise.
5868 (invert_exp_1): Likewise.
5869 (thread_jumps): Likewise.
5870 * simplify-rtx.c (simplify_unary_operation): Likewise.
5871 (simplify_ternary_operation): Likewise.
5872 * cse.c (find_comparison_args): Convert to use
5873 can_reverse_comparison_p.
5874 (record_jump_equiv): Likewise.
5876 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5878 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5879 (EPILOGUE_USES): Define.
5880 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5881 automatically stack the LR if it isn't live.
5883 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5885 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5888 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5890 * ggc-page.c (max_alignment): New structure.
5891 (MAX_ALIGNMENT): New macro.
5892 (init_ggc): Use it to round up the sizes in the
5893 extra_order_size_table.
5895 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5897 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5900 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5902 * builtins.def (BUILT_IN_FPRINTF): New entry.
5904 * c-common.c (c_expand_builtin_fprintf): New function.
5905 (init_function_format_info): Handle __builtin_fprintf.
5906 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5907 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5909 * c-decl.c (duplicate_decls): Adjust comment.
5911 * extend.texi (fprintf): Document new builtin.
5913 2001-01-07 Richard Henderson <rth@redhat.com>
5915 * jump.c (simplejump_p): Recognize any single_set jump
5918 2001-01-07 Richard Henderson <rth@redhat.com>
5920 * configure.in (slibdir): Accept an --with-slibdir option.
5921 Use "test" not "[" in configure. Default to $(libdir).
5923 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5925 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5926 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5927 (SHLIB_LINK): Create links for the soname.
5928 * config/mips/t-iris6: Likewise.
5929 * config/sparc/t-slibgcc: Likewise.
5930 * config/sparc/t-slibgcc-sld: Likewise.
5932 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5934 * config/i386/i386.c (constant_call_address_operand): Accept
5935 (const (plus (symbol_ref) (const_int))).
5936 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5937 constant_call_address_operand.
5939 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5941 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5942 and LONG_LONG_TYPE_SIZE > 32.
5944 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5946 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5947 the previous change.
5949 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5951 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5953 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5954 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5955 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5958 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5960 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5962 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5964 * c-lang.c (c_post_options): Call cpp_post_options.
5965 * objc/objc-act.c (objc_post_options): Similarly.
5966 * cppmain.c (main): Similarly.
5967 * fix-header.c (read_scan_file): Similarly.
5968 * cppinit.c (cpp_start_read): Move option consistency checks
5969 to cpp_post_options. Don't call init_dependency_output.
5970 If needed, add default target and main file dependency.
5971 (OPT_MD, OPT_MMD): Remove.
5973 (cpp_handle_option): Update for OPT_* changes.
5974 (cpp_post_options): New.
5975 (init_dependency_output): Command line -MF overrides environment
5976 variables. Don't set default target etc. Suppress output
5977 if dependencies are going to stdout.
5978 (print_help): Update.
5979 * cpplib.h (cpp_post_options): New.
5980 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5982 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5984 * jump.c (comparison_dominates_p): Support unordered compares.
5986 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5988 * simplify-rtx.c (simplify_relational_operation): Always simplify
5989 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5992 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5994 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5995 (nonzero_bits): Likewise.
5996 (simplify_comparison): Likewise.
5997 (num_sign_bit_copies): Likewise; return more sane value depending
5998 on STORE_FLAG_VALUE.
5999 (known_cond): Do not assume EQ to be always true for equivalent
6002 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6004 * cse.c (fold_rtx): Handle unordered comparisons.
6006 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6008 * rtlanal.c (set_of_1): New static function.
6009 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6010 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6011 reg_set_last_last_regno): Remove.
6012 (set_of): New global function.
6013 (set_of_data): New structure.
6014 (reg_set_p, reg_set_last): Revamp for set_of.
6015 * rtl.h (set_of): New.
6017 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6019 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6020 * extend.texi: Document _Exit builtin.
6022 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6024 * (initialize, initialize_builtins,
6025 initialize_dependency_output, initialize_standard_includes):
6026 Rename s/initialize/init. Update.
6027 (init_dependency_output): Move to after
6028 cpp_handle_options, the correct location temporally at least.
6029 (opt_comp): Move next to init (), its caller. Fix prototype.
6030 (init): Make "initialized" local scope.
6031 (cpp_create_reader): Always call init ().
6032 (cpp_start_read): Update.
6033 (output_deps): New function, broken out of cpp_finish.
6034 (cpp_finish): Break out output_deps.
6036 2001-01-07 Richard Henderson <rth@redhat.com>
6038 * collect2.c (COFF specific stuff): Revert 12-06 patch
6039 to prototype system functions.
6041 2001-01-07 Michael Hayes <mhayes@redhat.com>
6043 * hard-reg-set.h: Add multiple include guard.
6044 * basic-block.h (struct loop): Add `sink' field.
6045 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6046 (emit_iv_add_mult): Delete.
6047 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6048 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6049 (unroll_loop): Remove end_insert_before argument.
6050 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6051 (maybe_eliminate_biv_1): Likewise.
6052 (emit_iv_add_mult): Delete.
6053 (gen_add_mult, loop_regs_update): New.
6054 (loop_insn_emit_after, loop_insn_emit_before): New.
6055 (loop_insn_sink, loop_insn_sink_or_swim): New.
6056 (emit_iv_add_mult): Delete.
6057 (scan_loop): Set loop->sink.
6058 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6059 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6060 (maybe_eliminate_biv_1): Likewise.
6061 (maybe_eliminate_biv_1): Add basic block argument.
6062 * unroll.c (unroll_loop): Remove end_insert_before argument.
6063 (find_splittable_regs): Likewise.
6064 (find_splittable_regs): Use loop_insn_sink and its ilk.
6065 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6067 2001-01-07 Michael Hayes <mhayes@redhat.com>
6069 * loop.h (loop_insn_hoist): New prototype.
6070 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6071 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6072 (check_dbra_loop, load_mems): Likewise.
6073 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6074 (find_splittable_givs): Likewise.
6076 2001-01-07 Michael Hayes <mhayes@redhat.com>
6078 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6080 2001-01-07 Richard Henderson <rth@redhat.com>
6082 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6084 2001-01-07 Richard Henderson <rth@redhat.com>
6086 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6087 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6088 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6089 variant that handles a shared libgcc.
6090 (process_command): Always validate -{static,shared}-libgcc.
6091 (do_spec_1): New 'M' case.
6092 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6094 2001-01-07 Richard Henderson <rth@redhat.com>
6096 * Makefile.in (slibdir): New variable.
6097 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6098 (installdirs): Create slibdir.
6099 (install-libgcc, install-multilib): Defer to libgcc.mk.
6100 * configure.in (slibdir): Substitute.
6101 * mklibgcc.in (install): New target.
6103 * config/t-linux (SHLIB_LINK): Create links for the soname.
6104 (SHLIB_INSTALL): New.
6105 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6106 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6107 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6108 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6109 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6111 2001-01-07 Richard Henderson <rth@redhat.com>
6113 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6114 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6115 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6117 2001-01-07 Michael Hayes <mhayes@redhat.com>
6119 * loop.c (count_loop_regs_set): Delete.
6120 (load_mems_and_recount_loop_regs_set): Delete.
6121 (loop_regs_scan): Merge common code from count_loop_regs_set,
6122 scan_loop, and load_mems_and_recount_loop_regs_set.
6123 (scan_loop): Call load_mems directly and loop_regs_scan
6124 again if new registers created.
6126 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6128 * toplev.c (main): Call the front-end specific post_options
6129 hook if one is given.
6130 * toplev.h (struct_lang_hooks, lang_hooks): New.
6131 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6132 for the C front end.
6133 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6134 lang_hooks for the C++ front end.
6135 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6136 lang_hooks for the ObjC front end.
6137 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6138 * java/lang.c (lang_hooks): Hooks for the Java front end.
6140 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6142 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6143 for verbose DWARF[2] debugging.
6144 (cb_define, cb_undef): The new callbacks.
6145 * toplev.h (debug_define, debug_undef): Make const correct.
6146 * toplev.c (debug_define, debug_undef): Similarly. Do not
6147 perform the verbosity tests here anymore.
6149 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6151 * reload.c (subst_reloads): Take INSN argument. When
6152 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6153 * reload.h (subst_reloads): Adjust prototype.
6154 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6155 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6156 present in JUMP_INSNs and copy them to JUMP_LABEL.
6157 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6158 JUMP_INSNs and insns with REG_LABELs that are followed by
6159 JUMP_INSNs with the same REG_LABEL.
6160 * sched-rgn.c (is_cfg_nonregular): Likewise.
6161 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6163 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6165 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6167 2001-01-06 Richard Henderson <rth@redhat.com>
6169 * loop.c (scan_loop): Use xcalloc for the regs array.
6170 (load_mems_and_recount_loop_regs_set): Zero the new memory
6171 received from xrealloc.
6173 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6175 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6177 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6179 * integrate.c (copy_rtx_and_substitute): When copying
6180 an ignored return value, strip REG_FUNCTION_VALUE_P.
6182 2001-01-06 Michael Hayes <mhayes@redhat.com>
6184 * loop.c (debug_biv, debug_giv): New.
6185 (loop_biv_dump): Break out from ...
6186 (record_biv): ... here.
6187 (loop_giv_dump): Break out from ...
6188 (record_giv): ... here.
6189 (loop_bivs_check): Use print_simple_rtl.
6190 * unroll.c (loop_iterations): Use print_simple_rtl.
6192 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6194 * pa.md (return, return_internal): Modify patterns to prevent regrename
6195 mucking with the return pointer.
6197 2001-01-05 Richard Henderson <rth@redhat.com>
6199 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6201 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6203 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6204 version supplied by Matteo Frigo.
6206 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6208 * cpp.texi: Update for -MQ.
6209 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6210 (cpp_cleanup): Always free pfile->deps.
6211 (initialize_dependency_output): Don't create pfile->deps.
6212 (cpp_handle_option): Similarly.
6214 * gcc.c (cpp_options): Handle -MQ.
6215 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6216 * mkdeps.c (base_name): Remove.
6217 (deps_init): Don't allocate vector space until it's needed.
6218 (deps_free): Only free vectors if allocated.
6219 (deps_add_target, deps_add_dep): Update for initial allocation.
6220 (deps_add_default_target): Don't strip to the base_name.
6222 2001-01-05 DJ Delorie <dj@redhat.com>
6224 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6225 (INIT_EXPANDERS): Define.
6227 * config/v850/v850.c (struct machine_function): Define.
6228 (v850_save_machine_status): New function.
6229 (v850_restore_machine_status): New function.
6230 (v850_return_addr): New function.
6231 (v850_init_expanders): New function.
6233 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6234 and v850_init_expanders.
6236 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6238 * cpplib.h (struct cpp_reader): Add help_only field.
6239 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6240 (cpp_handle_option): Set pfile->help_only if we see -h,
6241 --help, -target-help, or --version. Print version string but
6242 do not set help_only if we see -v or -version. Make text
6243 printed by -v match that printed by (-)-version.
6245 * cppmain.c (main): Exit after option parsing if
6246 pfile->help_only is true.
6248 * toplev.c (independent_decode_option): Call print_version,
6249 then exit, if we see --version (but not -version).
6250 (print_version): Split lengthy message into two lines.
6252 2001-01-05 Nick Clifton <nickc@redhat.com>
6254 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6255 temporary string for initialisation before calling ggc_alloc_string.
6257 2001-01-06 Michael Hayes <mhayes@redhat.com>
6259 * rtl.h (print_simple_rtl): New.
6260 * print-rtl.c (print_simple_rtl): New.
6262 (print_rtx): Disable printing of flags and modes, etc.,
6263 if `flag_simple` nonzero.
6265 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6267 * function.c (fixup_var_refs): Use push_to_full_sequence where
6270 2001-01-05 Michael Meissner <meissner@redhat.com>
6272 * flags.h (flag_reorder_blocks): Add declaration.
6273 (flag_rename_block): Ditto.
6275 2001-01-05 DJ Delorie <dj@redhat.com>
6277 * function.c (reorder_blocks): Make sure the flags are all reset
6278 before using them to mark blocks, else a second invocation will
6279 corrupt the block chain.
6280 (reorder_blocks_0): New, resets the flags.
6282 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6284 * cse.c (find_comparison_args): Stop if the argument is known to
6287 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6289 * config/sh/sh.md (movdf): When splitting load into pair of
6290 registers, don't clobber the register used in the address too
6293 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6295 * varasm.c (mark_constant_pool): Improve initial comments.
6296 (mark_constants): Move marking of constants to mark_constant.
6297 (mark_constant): New function to recursively mark all constants
6298 referred to by a constant.
6300 2001-01-05 Catherine Moore <clm@redhat.com>
6302 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6304 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6306 * cp/lang-options.h: Bring comment in line with reality.
6307 * f/lang-options.h: Likewise.
6308 * java/lang-options.h: Likewise.
6309 * objc/lang-options.h: Likewise.
6310 * ch/lang-options.h: Likewise.
6311 * f/g77.texi: And update the manual.
6313 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6314 Denis Chertykov <denisc@overta.ru>
6316 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6317 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6318 * config/avr/avr.md (all peepholes that request a scratch register):
6319 Call it, FAIL the peephole if not safe (in interrupt functions).
6321 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6323 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6325 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6327 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6329 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6330 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6331 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6332 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6333 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6335 * extend.texi: Document these builtins.
6337 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6339 * c-common.c (lang_get_alias_set): Say we know nothing of
6340 VECTOR_TYPE aliasing.
6342 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6344 2001-01-05 Bruce Korb <bkorb@gnu.org>
6346 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6347 their x* equivalent versions for atexit-less systems
6348 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6349 systems (or any other system any more).
6351 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6353 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6354 output operands. Use arm_hard_register_operand for operand 4.
6355 (stmsi_postinc): Similarly.
6356 (ldmsi): Use arm_hard_register_operand for opernand 2.
6358 * arm.c (arm_hard_register_operand): New function.
6359 * arm-protos.h (arm_hard_register_operand): Prototype it.
6361 * arm.h (HARD_REGNO_RENAME_OK): Define.
6363 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6365 * simplify-rtx.c (cfc_args): add "unordered" field.
6366 (check_fold_consts): Set unordered field.
6367 (simplify_relational_operation): Simplify the unordered
6370 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6373 * emit-rtl.c (try_split): Fix code to mark labels.
6374 * jump.c (mark_jump_label): Make global.
6375 * rtl.h (mark_jump_label): Declare.
6377 * predict.c (estimate_probability): Handle unordred comparisons.
6379 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6381 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6382 * cppinit.c (initialize_dependency_output): Update.
6383 (cpp_finish): Output dummy targets for -MP.
6385 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6386 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6387 * gcc.c (cpp_options): Update to handle -MP.
6388 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6389 to quote only the default target.
6390 (deps_phony_targets): Insert a preceding newline. Rename from
6391 deps_dummy_targets for consistency.
6394 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6396 * calls.c (emit_library_call_value_1): Support
6397 INIT_CUMULATIVE_LIBCALL_ARGS.
6398 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6400 2001-01-04 Richard Henderson <rth@redhat.com>
6402 * c-decl.c (finish_struct): Detect flexible array members
6403 used in an inappropriate context.
6404 * c-typeck.c (really_start_incremental_init): Special case
6405 constructor_max_index for zero length arrays.
6406 (pop_init_level): Allow initialization of flexible array
6407 members. Deprecate initialization of zero length arrays.
6408 Don't issue missing initializer warning for flexible array
6409 members or zero length arrays.
6410 (process_init_element): Don't dereference null DECL_SIZE.
6411 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6412 Don't abort for empty constructors. Use size_binop
6413 (output_constructor): Add commentary regarding zero length
6414 array futures. Abort if we try to initialize an array of
6415 unspecified length with a non-empty constructor in the middle
6418 * extend.texi (Zero Length): Update and clarify documentation
6419 on static initialization.
6421 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6423 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6424 with more than 32767 words of local storage.
6426 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6428 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6429 for 'abs', 'labs', and 'fabs'.
6430 (c4x_expand_builtin): Likewise.
6431 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6433 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6435 * config/sh/sh.md (prget, prset): New insn types.
6436 (return delay slot): Dont' allow prset.
6437 (call, sfunc delay slot): Don't allow prget.
6438 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6439 for prset and prget.
6441 2001-01-05 Michael Hayes <mhayes@redhat.com>
6443 * loop.h (struct loop_reg): New.
6444 (struct loop_regs): Change to use array of `struct loop_reg'.
6445 * loop.c: Replace assortment of varrays with single regs array.
6446 (count_one_set): Delete may_not_move array argument
6447 and use regs array instead. All caller's changed.
6448 (count_loop_regs_set): Delete may_not_move and single_usage
6449 arguments and use regs array instead. All caller's changed.
6450 (find_single_use_in_loop): Replace usage array argument with pointer
6451 to regs structure. All caller's changed.
6452 (loop_optimize): Delete `moved_once' array.
6454 2001-01-05 Michael Hayes <mhayes@redhat.com>
6456 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6457 Use it instead of loop_info->has_call for scanning loop mems.
6458 (check_dbra_loop): Replace loop_info->has_call test with
6459 loop_info->has_nonconst_call.
6461 2000-01-04 Matthew Hiller <hiller@redhat.com>
6463 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6466 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6468 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6469 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6471 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6473 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6474 (flag_short_double, flag_short_wchar): Define.
6475 (c_common_nodes_and_builtins): Create many tree nodes shared
6476 between C and C++ here instead of in cp/decl.c and ...
6477 * c-decl.c (init_decl_processing): ... here.
6478 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6479 (flag_short_double, flag_short_wchar): Don't define.
6480 (record_builtin_type): New function.
6481 (build_void_list_node): New function.
6482 * c-common.h (flag_short_double, flag_short_wchar,
6483 record_builtin_type, build_void_list_node): Declare.
6485 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6487 * integrate.c (expand_inline_function): Don't put a virtual
6488 register into the reg map.
6490 * function.c (fixup_var_refs_1): If force_operand didn't put
6491 the address into the target, move it there.
6493 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6495 Special-case tree_decl/tree_list allocations.
6496 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6497 (OBJECT_SIZE): New macro.
6498 (NUM_EXTRA_ORDER): Likewise.
6499 (extra_order_size_table): New variable.
6500 (NUM_ORDERS): New macro.
6501 (objects_per_page_table): New variable.
6502 (object_size_table): New variable.
6503 (G.pages): Use NUM_ORDERS to bound the array.
6504 (G.page_tails): Likewise.
6505 (DIV_ROUND_UP): Remove.
6506 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6507 (alloc_page): Use OBJECT_SIZE.
6508 (size_lookup): Don't make it const.
6509 (ggc_alloc): Use OBJECT_SIZE.
6510 (ggc_set_mark): Likewise.
6511 (ggc_get_size): Likewise.
6512 (init_ggc): Set up the object_size_table, objects_per_page_table,
6513 and adjust size_lookup.
6514 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6515 (ggc_pop_context): Use NUM_ORDERS.
6516 (clear_marks): Likewise.
6517 (sweep_pages): Likewise.
6518 (poison_pages): Likewise.
6519 (ggc_print_statistics): Use OBJECT_SIZE.
6521 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6523 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6524 Only call array_size_for_constructor if last field and array type
6525 with no upper bound.
6527 2001-01-04 Philip Blundell <philb@gnu.org>
6529 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6530 from bit 31 downwards, if this requires no more insns.
6531 (count_insns_for_constant): New helper function for above.
6533 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6535 * gencodes.c (output_predicate_decls): Remove empty initializer.
6537 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6539 * tree.c (copy_node): Remove documentation about obstacks.
6540 (buidl1): Check that nobody tries to build 2-argument nodes this
6543 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6545 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6548 * gencodes.c (output_predicate_decls): Fill empty initializer
6551 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6553 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6554 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6556 (do_include): Handle missing headers like cpp0.
6557 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6558 paths with first include pathname. Don't strcat to uninitialized
6561 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6563 * regrename.c (regrename_optimize): Don't rename from frame pointer
6564 if frame_pointer_needed.
6565 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6566 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6567 (ia64_reorg): Use it instead of scheduling if ! optimize.
6568 (errata_emit_nops): Properly call asm_noperands.
6569 (ia64_sched_reorder): Finish cycle if we see an asm.
6570 (ia64_variable_issue): Clear scheduling state after asms.
6572 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6574 * cpp.texi: Update for -MT.
6575 * cppinit.c (initialize_dependency_output): Add a default
6576 target if none has been given already.
6577 (no_tgt, OPT_MT): New.
6578 (cpp_handle_option): Handle -MT. Update -M etc.
6579 * cpplib.h (struct cpp_options): Remove deps_target.
6580 * gcc.c (cpp_options): Handle -MT.
6581 * mkdeps.c (struct deps): Move from mkdeps.h.
6582 (deps_calc_target): Rename deps_add_default_target. Add a
6583 default target if none has been specified already.
6584 * mkdeps.h (struct deps): Move to mkdeps.c.
6585 (deps_calc_target): Rename deps_add_default_target.
6587 2000-01-03 Richard Henderson <rth@redhat.com>
6589 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6591 * c-typeck.c (push_init_level): Move checks for flexible array
6592 members and zero length arrays ...
6593 (pop_init_level): ... here. Silently discard empty initializations.
6595 * varasm.c (output_constructor): Update for sizeof change to
6598 * extend.texi (Zero Length): Clarify semantics.
6600 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6602 * configure.in (tm.h): Include isns-codes.h last.
6603 * configure: Rebuilt.
6605 2001-01-03 Richard Henderson <rth@redhat.com>
6607 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6608 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6610 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6612 * tradcpp.c (main): Make sure finclude() is called with a valid
6613 indepth value while handling -include.
6615 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6617 * gencodes.c (output_predicate_decls): New function.
6619 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6620 even if it is not the first time machmode.h is #included.
6621 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6622 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6623 * gcc.texi (Copyright): Added 2001.
6625 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6627 * c-common.c (c_common_lang_init): New function. Warn if format
6628 warning options which only have effects when used with -Wformat
6629 are used without -Wformat.
6630 * c-common.h (c_common_lang_init): Declare.
6631 * c-lang.c (lang_init): Call c_common_lang_init.
6632 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6634 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6636 * configure.in: Check for the mktemp command.
6637 * configure: Regenerate.
6638 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6639 $TEMP. Create temporary files with mktemp, if available at
6640 configure time; otherwise use set -C. Remove temporary files
6643 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6645 * configure.in: Require at least texinfo 4.0. Check for whether
6646 Pod::Man is sufficiently recent to regenerate GCC manpages.
6647 * configure: Regenerate.
6648 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6650 (GENERATED_MANPAGES): Define.
6651 (generated-manpages): New target. Depend on cpp.1 as well as
6653 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6654 configure to generated-manpages or empty) rather than on the
6655 manpages directly. Remove execute permission from installed
6656 gcov.1 as well as cpp.1.
6657 * cpp.1, gcov.1: Regenerate.
6659 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6661 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6662 tree_low_cst. Allow using cmpstrsi in more cases.
6664 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6666 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6669 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6671 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6672 * Makefile.in (HOST_CFLAGS): Mention build-make.
6674 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6676 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6679 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6681 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6684 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6687 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6688 reg_base_value and reg_known_value arrays.
6689 (init_alias_analysis): Add more cases to detect known values.
6690 * sched-deps.c (deps_may_trap_p): New function.
6691 (sched_analyze_2): Use it.
6693 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6695 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6696 don't discard an ASHIFTRT if we're shifting in a wider mode.
6698 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6700 * toplev.c (rest_of_compilation): Don't print basic block information
6701 when CFG isn't up to date.
6703 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6705 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6706 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6707 (UNALIGNED_SHORT_ASM_OP): Define.
6708 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6710 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6712 * fold-const.c (fold_convert): Fix typo.
6714 2001-01-02 Richard Henderson <rth@redhat.com>
6716 * c-common.h (ASM_INPUT_P): New.
6717 * c-parse.in (asm): Set it when needed.
6718 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6719 existance of an operand.
6721 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6723 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6724 (dwarf2out_frame_debug_expr): Likewise.
6725 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6727 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6729 * i386.c (ix86_split_to_parts): Return number of part required;
6731 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6733 (ix86_split_long_move): Use number of part returned
6734 by ix86_split_to_parts
6735 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6737 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6738 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6739 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6740 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6741 (ALIGN_MODE_128): Add TFmode.
6742 (IS_STACK_MODE): Likewise.
6743 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6744 (HARD_REGNO_OK): Support TFmodes.
6745 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6746 * i386.md (scheduler definitions): Use memory operand to determine
6747 fst/fld instructions; use mode attribute to determine real mode of
6749 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6750 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6752 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6754 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6756 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6758 * expr.c (store_constructor_field): Update ALIGN before calling
6761 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6763 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6766 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6768 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6771 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6773 * c-decl.c (start_function): Don't warn on third parameter to main.
6775 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6777 * tsystem.h: Define HAVE_DECL_GETOPT.
6779 2001-01-02 Philip Blundell <pb@futuretv.com>
6781 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6784 2001-01-02 Richard Henderson <rth@redhat.com>
6786 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6788 2001-01-02 Andreas Jaeger <aj@suse.de>
6790 * c-decl.c (c_decode_option): Remove support of
6793 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6794 (W_options): Add -Wmissing-noreturn here.
6796 * flow.c: Define lang_missing_noreturn_ok_p.
6797 (check_function_return_warnings): Use it.
6799 * c-common.h: Declare lang_missing_noreturn_ok_p.
6801 * c-lang.c (c_missing_noreturn_ok_p): New function.
6802 (lang_init): Set lang_missing_noreturn_ok_p.
6804 * invoke.texi (Warning Options): Document this.
6806 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6808 * extend.texi (C++ Extensions): New node for C++ attributes;
6809 describe init_priority and com_interface.
6810 * invoke.texi: Remove -finit-priority as it now has zero effect.
6811 * install.texi: Fix xref syntax.
6812 * md.texi: Likewise.
6814 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6816 * config.gcc (sparc64-wrs-vxworks*): New case.
6817 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6819 * config/sparc/sparc.c (sparc_override_options): Do support different
6820 pointer and architecture size.
6821 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6822 (POINTERS_EXTEND_UNSIGNED): Define.
6823 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6824 (FUNCTION_MODE): Define to be Pmode.
6825 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6827 * function.c (expand_function_end): Properly handle DECL_RESULT
6828 and copy when ptr_mode != Pmode.
6829 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6831 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6833 * c-common.c (c_common_nodes_and_builtins): Set prototype
6834 parameters for __builtin_fputs, __builtin_fputc and
6835 __builtin_fwrite. Don't declare plain fputc as a builtin.
6837 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6839 * loop.c (add_label_notes): Increment the label usage count when
6840 a note is added to an insn which refers to a CODE_LABEL.
6841 * gcse.c (add_label_notes): Likewise.
6843 2001-01-01 Andreas Jaeger <aj@suse.de>
6845 * loop.c (scan_loop): Use xmalloc to allocate movables.
6847 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6849 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6850 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6851 * reload1.c (REGISTER_MOVE_COST): Likewise.
6852 * regclass.c (REGISTER_MOVE_COST): Likewise.
6853 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6854 dimension. Adjust all users.
6855 (init_reg_sets_1): Iterate on all modes.
6856 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6857 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6858 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6859 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6860 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6861 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6862 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6863 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6864 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6865 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6866 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6867 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6868 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6869 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6870 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6871 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6872 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6873 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6874 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6875 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6876 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6877 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6878 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6879 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6880 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6881 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6882 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6884 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6886 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6887 arg VARIES_P. Call it with extra arg.
6888 (true_dependence): Likewise.
6889 * rtl.h (rtx_addr_can_trap_p): Declare.
6890 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6892 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6893 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6894 pic offset table register if it's zero. All callers changed.
6895 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6897 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6899 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6900 STRING_POOL_ADDRESS_P.
6902 * config/sparc/sparc.c (input_operand): Properly test for short op.
6904 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6905 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6906 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6907 * config/sparc/elf.h: No longer include sol2.h.
6908 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6909 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6911 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6913 2001-01-01 Michael Hayes <mhayes@redhat.com>
6915 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6916 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6917 (record_initial): Likewise.
6918 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6919 (remap_split_bivs): Likewise.
6921 2001-01-01 Michael Hayes <mhayes@redhat.com>
6923 * loop.c (loop_ivs_free): New function.
6924 (strength_reduce): Break out from...
6926 2001-01-01 Michael Hayes <mhayes@redhat.com>
6928 * loop.h (struct iv): New.
6929 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6930 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6931 'reg_biv_class' fields with 'regs' and 'n_regs'.
6932 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6933 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6934 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6936 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6938 * resource.c (mark_referenced_resources): Abort() before
6939 attempting to mark a pseudo register.
6940 (mark_set_resources): Likewise.
6942 2001-01-01 Michael Hayes <mhayes@redhat.com>
6944 * loop.h (REG_IV_CLASS): New accessor macro.
6945 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6946 * unroll.c (REG_IV_CLASS): Likewise.
6948 See ChangeLog.4 for earlier changes.