1 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * combine.c (try_combine): Use memcpy, not bcopy.
5 * genattrtab.c (expand_units): Likewise.
7 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
9 * i386.md (push mem DI peep2): New.
10 (mov 0, mov -1 peep2): Handle 64bit.
11 (lea to arithmetics peep2): Handle 64bit leas.
12 (rsp arithmetics to push/pop peep2s): New.
14 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
16 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
18 * i386.c (struct machine_function): Add save_varrargs_registers.
19 (ix86_save_varrargs_registers): New macro.
20 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
21 (ix86_expand_prologue): Likewise.
22 (ix86_emit_epilogue_esp_adjustement): Likewise.
23 (ix86_expand_epilogue): Likewise.
24 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
25 (pro_epilogue_adjust_stack_1): New insn.
26 (pro_epilogue_adjust_stack_rex64): Likewise.
27 * i386.h (MASK_NO_RED_ZONE): New constant.
28 (TARGET_RED_ZONE): New macro.
29 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
30 (RED_ZONE_SIZE): New constant.
31 (RED_ZONE_RESERVE): New constant.
33 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * toplev.c (set_float_handler): Use memcpy, not bcopy.
37 2001-03-25 Kazu Hirata <kazu@hxi.com>
39 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
45 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
47 * mkconfig.sh (DEFINES): Handle entries with '='.
49 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
50 Set xm_defines to MACRO=value instead.
52 * i370/xm-mvs.h: Delete.
54 * ns32k/xm-pc532-min.h: Likewise.
56 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
58 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
60 use ix86_expand_binary_operator
61 (?sh??i_?): Disable for 64bit.
62 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
63 * i386.c (shiftdi_operand): New predicate.
65 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
66 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
67 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
68 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
69 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
70 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
71 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
72 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
73 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
74 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
75 (rotldi3, rotrdi3): New expanders.
77 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
79 * i386.md (movstrsi): Move offline.
81 (strmovdi_rex64): New.
82 (strmov?i): Accept 64bit.
83 (strmov?i_rex64): New.
84 (strmov?i_rex_1): New.
85 (strmov?i_1): Disable for 64bit.
86 (rep_mov?i_rex64): New.
87 (rep_mov?i): Disable for 64bit.
88 (clrstrsi): Move offline.
89 (strset?i_rex64): New.
90 (strset?i: Accept 64bit.
91 (rep_stos?i): Disable for 64bit.
92 (rep_stos?i_rex64): New.
93 (strset?i_rex_1): New.
94 (strset?i_1): Disable for 64bit.
95 (cmpstrsi): Accept 64bit.
96 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
97 (cmpstrqi_nz_rex_1): New.
98 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
99 (strlensi): Move offline.
101 (strlenqi_1): Disable for 64bit; fix constraints.
102 (strlenqi_rex_1): New.
103 * i386.c (ix86_adjust_counter): New static function.
104 (ix86_zero_extend_to_Pmode): Likewise.
105 (ix86_expand_aligntest): Likweise.
106 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
107 (ix86_expand_movstr): New global function.
108 (ix86_expand_clrstr): New global function.
109 (ix86_expand_strlen): New global function.
110 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
111 ix86_expand_strlen): Declare.
112 (ix86_expand_strlensi_unroll_1): Delete.
114 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
116 * i386.md (cmpdi): Fix operand predicates.
117 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
118 cmpdi_1_insn_rex64): New patterns.
119 (adddi3): Turn to expander.
120 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
121 (addsi3_carry_zext): New pattern.
122 (adddi_?_rex64): New patterns and splitters.
123 (addsi_?_zext): New patterns.
124 (subsi3_carry_zext): New pattern.
125 (subdi_?_rex64): New patterns and splitters.
126 (iorsi_?_zext): New patterns.
127 (iordi_?_rex64): New patterns and splitters.
128 (iorsi_?_zext): New patterns.
129 (iorsi_?_zext_imm): New patterns.
130 (xorsi_?_zext): New patterns.
131 (xordi_?_rex64): New patterns and splitters.
132 (xorsi_?_zext): New patterns.
133 (negdi*): New patterns.
134 (one_cmpldi*): Likewise.
135 (one_cmplsi*_zext, negsi*_zext): Likewise.
136 (testqi_ext_3_rex64): New pattern.
138 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
140 * i386-protos.h (ix86_split_long_move): Return void.
141 * i386.c (ix86_split_to_parts): Handle 64bit target.
142 (ix86_split_long_move): Likewise.
143 * i386.md (all calls to ix86_split_long_move): Update.
145 2001-03-23 Richard Henderson <rth@redhat.com>
147 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
148 to avoid shadowing arguments.
150 2001-03-23 Jakub Jelinek <jakub@redhat.com>
152 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
153 to variable names where DECL_NAME is different from
156 2001-03-23 Jim Wilson <wilson@redhat.com>
158 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
159 (assemble_alias): Call make_decl_rtl.
161 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
163 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
165 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
167 * extend.texi: Document the "java_interface" attribute.
169 2001-03-22 Zack Weinberg <zackw@stanford.edu>
171 * mkconfig.sh: Use a subshell with redirected stdout,
172 instead of closing stdout and confusing commands that run
173 afterward. Throw away output of cmp.
175 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
177 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
179 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
181 * i386.md (zero_extendsidi2_32): Break out from ...
182 (zero_extendsidi2): ... here ; turn to expander.
183 (zero_extendsidi2_rex64): New.
184 (extendsidi2_32): Break out from ...
185 (extendsidi2): ... here ; turn to expander.
186 (extendsidi2_rex64): New.
187 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
188 (trunc?f?f splitters): Add 64bit versions.
190 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
192 * i386.md (pushsi, pushsi2_prologue): Disable.
193 (pushsi2_rex64): New.
194 (movabs?i_1_rex64, movabs?i_2_rex64): New.
195 (movqi_ext_1): Disable for 64bit.
196 (movqi_ext_1_rex64): New.
197 (pushdi2_rex64): New pattern, peep2s and splitter.
198 (pushdi2_prologue_rex64): New pattern.
199 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
201 (movdi splitters): Disable for 64bit.
202 (movdi_1_rex64): New pattern, peep2s and splitters.
203 (swapdi): New pattern.
204 (pushsf): Disable for 64bit.
205 (pushsf_rex64): New pattern and splitter.
206 (pushdf_nointeger): Disable for 64bit.
207 (pushdf_integer): Handle the 64bit case.
208 (pushtf): Likewise; update splitters.
210 2001-03-22 Richard Henderson <rth@redhat.com>
212 * mkconfig.sh: Include insn-flags.h.
213 * Makefile.in (CONFIG_H): Include insn-flags.h.
214 (lots of objects): Remove insn-codes.h and insn-flags.h.
216 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
217 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
218 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
219 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
220 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
221 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
222 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
223 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
224 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
225 v850/v850.c, vax/vax.c:
226 Don't include insn-flags.h.
228 * diagnostic.c, expr.h, reload.c, toplev.c:
229 Don't include insn-codes.h.
231 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
232 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
233 c4x/c4x.c, i960/i960.c, mips/mips.c:
234 Don't include insn-codes.h or insn-flags.h.
236 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
237 or insn-flags.h in the generated code.
238 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
239 (main): Forward declare struct rtx_def.
241 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
243 * invoke.texi (-ffast-math): Remove duplicate line about
246 * gcc.texi: Remove more obsolete documentation of bugs and
247 installation problems.
249 2001-03-21 Kazu Hirata <kazu@hxi.com>
251 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
254 2001-03-20 Jason Merrill <jason@redhat.com>
256 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
258 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
259 * varasm.c (CHKR_PREFIX): Likewise.
261 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
263 * gcse.c (hash_scan_set): An expression is not anticipatible if it
264 is part of a multi-SET insn.
266 * cse.c (find_comparison_args): Remove previous change.
267 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
270 * config/i386/i386.md (conditional_trap): Remove warning.
272 * recog.c (push_operand): Fix error in last change that caused
273 undefined symbol on many targets.
275 * sdbout.c: #include ggc.h.
276 (sdbout_init): Move to end of file.
277 Call ggc_add_tree_root for anonymous_types.
278 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
279 (sdbout_one_type): Use DECL_NAME for field name.
280 * Makefile.in (sdbout.o): Show includes ggc.h.
282 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
284 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
285 (override_options): Use properlimits for preferred_stack_boundary.
286 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
288 (ext_register_operand): Accept DImode.
289 (load_pic_register): Abort on 64bit.
290 (gen_push): Use Pmode instead of SImode.
291 (ix86_save_reg): Pic reg is never used on 64bit.
292 (ix86_expand_prologue): Likewise.
293 (ix86_emit_save_regs): Use Pmode instead of SImode.
294 (legitimate_address_p): Check displacement for 64bit.
295 (print_operand): Avoid outputting of (%rip) on 64bit.
296 (print_operand_address): Output (%rip) where possible.
297 (split_di): Abort on 64bit registers.
298 (ix86_expand_branch): DImode comparison is simple for x86_64.
299 (memory_address_length): Recognize memory addresses formed using
301 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
303 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
305 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
307 * recog.c (push_operand): Recognize new format of push instructions.
309 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
311 * i386.md (pushqi1): New.
312 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
313 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
314 x86_64_immediate_operand, x86_64_immediate_operand,
315 x86_64_zext_immediate_operand): Declare.
316 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
317 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
318 x86_64_immediate_operand, x86_64_immediate_operand,
319 x86_64_zext_immediate_operand): define.
320 * i386.h (PREDICATE_CODES): Add new predicates.
322 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
324 * i386.md (pophi1, popqi1, pushqi1): Remove.
326 * expr.c (emit_single_push_insn): New function.
327 (move_by_pieces): Accept NULL as destination for push instructions.
328 (gen_push_operand): Kill.
329 (emit_push_insn): Pass NULL when pushing; avoid updating of
331 * expr.h (gen_push_operand): Kill.
333 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
335 * rtl.texi (COMPARE): Clarify documentation and reference section
338 2001-03-20 Stan Shebs <shebs@apple.com>
340 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
341 (get_object_reference): Ditto.
342 (error_with_ivar): Use error_with_file_and_line.
343 (warn_with_method): Use warning_with_file_and_line.
345 2001-03-20 Tom Tromey <tromey@redhat.com>
347 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
349 2001-03-20 Mark Mitchell <mark@codesourcery.com>
351 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
352 variables that are TREE_PUBLIC, even if not TREE_STATIC.
354 2001-03-20 DJ Delorie <dj@redhat.com>
356 * Makefile.in (install-libgcc): Pass complete list of variables.
357 (install-multilib): Ditto.
359 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
361 * config/i386/cygwin.h: Declare ctor_section, dtor_section
362 drectve_section, switch_to_section.
364 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
365 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
366 i386_pe_mark_dllimport.
368 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
370 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
373 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
374 i386_pe_* functions with char * arguments.
376 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
378 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
380 (movsi_ie): Introduce fpul store.
382 2001-03-20 Alan Modra <alan@linuxcare.com.au>
384 * Makefile.in (OBJS): Remove hashtab.o.
386 2001-03-19 Stan Shebs <shebs@apple.com>
388 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
389 * c-lang.c (maybe_objc_method_name): Ditto.
390 * c-tree.h (maybe_objc_method_name): Remove decl.
392 2001-03-19 Tom Tromey <tromey@redhat.com>
394 * gcc.c (init_gcc_specs): Fix comment.
396 2001-03-19 Mark Mitchell <mark@codesourcery.com>
398 Compute DECL_ASSEMBLER_NAME lazily.
399 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
400 (DECL_ASSEMBLER_NAME_SET_P): New macro.
401 (SET_DECL_ASSEMBLER_NAME): Likewise.
402 (COPY_DECL_ASSEMBLER_NAME): Likewise.
403 (set_decl_assembler_name): Declare.
404 (lang_set_decl_assembler_name): Likewise.
405 * tree.c (lang_set_decl_assembler_name): New variab.e
406 (set_decl_assembler_name): New function.
407 (init_obstacks): Set lang_set_decl_assembler_name.
408 (build_decl): Don't set DECL_ASSEMBLER_NAME.
409 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
410 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
411 where it's not necessary.
412 (builtin_function): Likewise.
413 (finish_decl): Likewise.
414 * dbxout.c (dbxout_type_methods): Likewise.
415 * ggc-common.c (ggc_mark_trees): Likewise.
416 * profile.c (output_func_start_profiler): Likewise.
417 * varasm.c (make_decl_rtl): Likewise.
419 * cse.c (find_comparison_args): Update documentation. Fix
420 mishandling of COMPARE operations.
422 * tree.def (ABS_EXPR): Add documentation.
423 * fold-const.c (fold): Improve folding of ABS_EXPRs.
425 2001-03-19 Zack Weinberg <zackw@stanford.edu>
427 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
429 2001-03-19 Jakub Jelinek <jakub@redhat.com>
431 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
432 Remove ia32 linux PIC kludge and move it...
433 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
435 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
437 * i386.md (absdf2 expander): Fix 64bit case.
439 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
441 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
443 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
445 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
447 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
449 * README.X11: Remove obsolete file.
451 2001-03-18 Anthony Green <green@redhat.com>
453 * config/pj/pj.h: Remove some trailing commas.
454 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
456 2001-03-18 Richard Henderson <rth@redhat.com>
458 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
460 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
461 defaults for them here.
463 2001-03-17 Anthony Green <green@redhat.com>
465 * config/pj/lib1funcs.S: Fix broken comment.
466 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
469 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
471 * gcc.texi: Remove obsolete information relating to build and
472 installation problems with enquire or the Pyramid C compiler.
474 2001-03-17 Richard Henderson <rth@redhat.com>
476 * dwarf2out.c (queue_reg_save): New.
477 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
478 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
480 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
481 (cfa, cfa_store, cfa_temp): Make static.
482 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
484 2001-03-17 Richard Henderson <rth@redhat.com>
486 * integrate.h (struct inline_remap): Add local_return_label.
487 * integrate.c (expand_inline_function): Initialize it and emit
488 it after copy_insn_notes.
489 (copy_insn_list): Don't store local_return_label here.
490 (copy_insn_notes): New function split out from copy_insn_list.
492 2001-03-17 Richard Henderson <rth@redhat.com>
494 * dwarf2out.c (lookup_filename): Emit .file if the assembler
495 is generating .debug_line.
496 (dwarf2out_init): Add main_input_filename to the file table first.
497 * configure.in (as_dwarf2_debug_line): Test with file number 1
498 instead of file number 0.
500 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
502 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
503 (gen_rtx_combine): Deleted; all references changed as appropriate.
504 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
506 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
508 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
510 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
513 2001-03-16 Jim Wilson <wilson@redhat.com>
515 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
516 then set it to LOC_REG (79) instead of aborting.
518 2001-03-16 Phil Edwards <pme@sources.redhat.com>
520 * gccbug.in: Remove high priority.
522 2001-03-16 Richard Henerson <rth@redhat.com>
524 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
525 output with a space instead of deleting it.
526 * configure: Regenerate.
528 2001-03-16 Zack Weinberg <zackw@stanford.edu>
530 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
531 handles the gory details of converting an object file into
532 something that's safe to grep.
533 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
534 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
535 newlines at either end of the string we're looking for.
536 Make 'checking ...' message less stilted.
537 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
538 ARM in-memory layout and its hypothetical converse. Don't
539 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
540 HOST_WORDS_BIG_ENDIAN.
542 * configure.in: Adjust for renamed macro. Move
543 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
544 * configure, config.in: Regenerate.
546 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
548 * fixinc/Makefile.in: Set SHELL.
550 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
552 * fixinc/fixincl.c (fix_with_system): Quote file names before
553 passing them to shell.
555 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
557 * Makefile.in: Use fix-header$(build_exeext) instead
560 2001-03-16 Richard Henderson <rth@redhat.com>
562 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
563 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
564 (size_of_line_prolog): Remove.
565 (output_line_info): Compute prologue size via label difference.
566 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
568 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
569 assembler error when redefining file numbers.
570 * config.in, configure: Rebuild.
572 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
573 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
574 (dw2_asm_output_delta_uleb128): Likewise.
575 (dw2_asm_output_delta_sleb128): Similarly.
576 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
578 2001-03-16 Michael Meissner <meissner@redhat.com>
580 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
582 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
584 (BITMASK_LOWER16): Replacement for 0x0000ffff.
586 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
587 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
588 being unsigned in ISO C and signed in traditional.
589 (expand_prologue): Ditto.
590 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
592 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
594 (divsi3,divdi3): Ditto.
595 (modsi3,moddi3): Ditto.
596 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
597 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
598 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
601 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
603 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
604 SSE based conditional moves on LTGT/UNEQ conditions;
605 Canonicalize EQ to NE.
606 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
607 (sse_mov?fcc_ne): New.
609 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
611 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
613 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
614 register may be dead.
616 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
618 * Makefile.in (hash.o): Depend on CONFIG_H.
620 2001-03-15 Mark Mitchell <mark@codesourcery.com>
622 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
624 2001-03-15 Richard Henderson <rth@redhat.com>
626 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
627 (ASM_OUTPUT_DWARF_PCREL): New.
628 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
630 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
632 * cppfiles.c (stack_include_file): Use MAX of sysp.
634 2001-03-15 Steve Ellcey <sje@cup.hp.com>
636 * config.gcc (ia64*-*-hpux*): New case.
637 * config/ia64/hpux.h: New file for HP-UX support.
638 * config/ia64/t-hpux: New file for HP-UX support.
640 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
642 * fixinc/inclhack.def (irix_stdio_va_list): New.
643 * fixinc/fixincl.x: Rebuilt.
645 2001-03-15 Richard Henderson <rth@redhat.com>
647 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
648 if provided by the target.
649 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
650 (dw2_asm_output_addr): New.
651 * dwarf2asm.h (dw2_asm_output_addr): Declare.
652 * dwarf2out.c (output_cfi): Use it for program addresses.
653 (output_call_frame_info, output_die): Likewise.
654 (output_aranges, output_line_info): Likewise.
656 2001-03-15 Bruce Korb <bkorb@gnu.org>
658 * gcc.c(main): make more rigorous
659 * collect2.c(main): guard against ignoring SIGCHLD
660 * protoize.c(main): ditto
661 * gcc/fixinc/fixincl.c(initialize): ditto
663 2001-03-15 Mark Mitchell <mark@codesourcery.com>
665 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
666 (sdbout_parms): Likewise.
668 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
670 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
671 "widen" a destination that is already wider than a word. Also do
672 not widen if LOAD_EXTEND_OP is NIL for the given mode.
674 2001-03-15 Bernd Schmidt <bernds@redhat.com>
676 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
678 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
680 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
682 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
684 * i960.h (i960_maxbitalignment,
685 i960_last_maxbitalignment): Declare.
686 * i960.c (i960_maxbitalignment,
687 i960_last_maxbitalignment): Make global.
688 (process_pragma): Delete.
689 (i960_pr_align, i960_pr_noalign): Move from here ...
690 * i960-c.c: ... to this new file.
691 * t-960bare (i960-c.o): New rule.
692 * t-vxworks960 (i960-c.o): Likewise.
693 * config.gcc (i960-*-*): Define c_target_objs and
696 2001-03-15 Bernd Schmidt <bernds@redhat.com>
698 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
699 without adding in rtx code and mode.
701 * alias.c (init_alias_analysis): Don't use any rtx whose value
702 varies as a known value.
703 Delete a superfluous test.
705 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
707 (ia64_sched_reorder): Call maybe_rotate; also rotate after
708 scheduling a stop bit.
709 (ia64_emit_nops): Correctly handle ASMs.
711 2001-03-15 Mark Mitchell <mark@codesourcery.com>
713 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
715 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
717 * cpp.texi: Update documentation for -include and -imacros.
718 * cppfiles.c (struct include_file): Remove "defined" memeber.
719 (find_or_create_entry): Make a copy of the file name, and
721 (open_file): Update to ensure we use the simplified filename.
722 (stack_include_file): Don't set search_from.
723 (cpp_included): Don't simplify the path name here.
724 (find_include_file): New prototype. Call search_from to
725 get the start of the "" include chain. Don't simplify the
727 (_cpp_execute_include): New prototype. Move diagnostics to
728 do_include_common. Update.
729 (_cpp_pop_file_buffer): Don't set defined.
730 (search_from): New prototype. Use the preprocessor's cwd
731 for files included from the command line.
732 (read_name_map): Don't simplify the pathname here.
733 * cpphash.h (enum include_type): New.
734 (struct buffer): Delete search from. New search_cached.
735 (_cpp_execute_include): Update prototype.
736 * cppinit.c (do_includes): Use _cpp_execute_include.
737 * cpplib.c (do_include_common): New function.
738 (do_include, do_include_next, do_import): Use it.
740 2001-03-14 Mark Mitchell <mark@codesourcery.com>
742 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
743 contents of the RTL, to determine the name of the object.
745 2001-03-14 Mark Mitchell <mark@codesourcery.com>
747 * tree.h (DECL_RTL): Allocate RTL lazily.
748 (SET_DECL_RTL): New macro.
749 (DECL_RTL_SET_P): Likewise.
750 (COPY_DECL_RTL): Likewise.
751 (DECL_RTL_IF_SET): Likewise.
752 * varasm.c (make_decl_rtl): Add assertions about the kind of
753 declaration we are processing.
754 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
755 (start_decl): Likewise.
756 (finish_decl): Likewise.
757 * c-semantics.c (emit_local_var): Likewise.
758 * calls.c (expand_call): Likewise.
759 * dbxout.c (dbxout_symbol): Likewise.
760 * emit-rtl.c (unshare_all_rtl): Likewise.
761 (unshare_all_decls): Likewise.
762 (reset_used_decls): Likewise.
763 * expr.c (store_constructor): Likewise.
764 (safe_from_p): Likewise.
765 (expand_expr): Likewise.
766 * function.c (put_var_into_stack): Likewise.
767 (instantiate_decls_1): Likewise.
768 (assign_parms): Likewise.
769 (expand_function_start): Likewise.
770 (expand_function_end): Likewise.
771 * ggc-common.c (gcc_mark_trees): Likewise.
772 * integrate.c (function_cannot_inline_p): Likewise.
773 (copy_decl_for_inlining): Likewise.
774 (expand_inline_function): Likewise.
775 (integrate_parm_decls): Likewise.
776 (integrate_decl_tree): Likewise.
777 * print-tree.c (print_node): Likewise.
778 * reg-stack.c (stack_result): Likewise.
779 * stmt.c (label_rtx): Likewise.
780 (expand_return): Likewise.
781 (expand_decl): Likewise.
782 (expand_decl_cleanup): Likewise.
783 (expand_anon_union_decl): Likewise.
784 * toplev.c (check_global_declarations): Likewise.
785 (rest_of_decl_compilation): Likewise.
786 * tree.c (simple_cst_equal): Likewise.
787 * objc/objc-act.c (generate_static_references): Likewise.
789 2001-03-14 Zack Weinberg <zackw@stanford.edu>
791 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
792 gcc_AC_C_FLOAT_FORMAT): New macros.
793 * configure.in: Add AC_PROG_CPP after CC tests;
794 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
795 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
796 * configure, config.in: Regenerate.
798 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
799 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
800 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
801 config/i370/xm-linux.h, config/i370/xm-oe.h,
802 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
803 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
804 config/pa/xm-linux.h, config/pa/xm-pa.h,
805 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
806 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
807 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
808 config/we32k/xm-we32k.h: Delete.
810 * config/i370/xm-mvs.h, config/m88k/m88k.h,
811 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
812 config/vax/xm-vms.h: Don't define any of:
813 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
815 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
817 * config.gcc: Remove references to deleted files.
818 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
819 FATAL_EXIT_CODE, which is the same between oe and mvs).
821 2001-03-14 DJ Delorie <dj@redhat.com>
822 Vladimir Makarov <vmakarov@redhat.com>
824 * config/i960/i960.c (i960_function_prologue): Compute size of
825 frame according to number of registers actually saved there.
827 2001-03-14 Richard Henderson <rth@redhat.com>
829 * expr.c (emit_move_insn_1): Fix else if around #endif.
831 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
834 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
837 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
839 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
840 (override_options): Parse cmodel string.
841 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
842 * i386.h (TARGET_OPTIONS): Add "cmodel".
843 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
845 (ix86_cmodel_string, ix86_cmodel): Declare.
847 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
850 * i386.h (GENERAL_REG_P): Add missing REG_P.
852 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
854 * configure.in: Use $gcc_cv_as instead of $as.
855 * configure: Regenerated.
857 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
859 * cppfiles.c (stack_include_file): Only increase the include
860 count if we actually process the file properly, as opposed
861 to treating it as length zero. Only call read_include_file
862 if not DO_NOT_REREAD. Handle the -H include file output
864 (read_include_file): Remove now redundant DO_NOT_REREAD check.
865 (cpp_included, find_include_file): Simplify pathnames after
866 remapping them. If remapping, don't use the remapped file
867 name's buffer as our scratch buffer.
868 (cpp_pop_file_buffer): Replace the multiple include macro
869 only if it isn't yet set.
870 (read_name_map): Simplify remapped names when reading in.
871 (remap_filename): Move code to code path that uses it.
872 (_cpp_simplify_pathname): Return the input pointer.
873 * cpphash.h (_cpp_simplify_pathname): Update prototype.
875 2001-03-14 Mark Mitchell <mark@codesourcery.com>
877 * expr.c (expand_expr): Revove bogus conditional.
879 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
881 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
883 2001-03-14 Jakub Jelinek <jakub@redhat.com>
885 * reg-stack.c (stack_result): Unconditionally use
886 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
888 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
890 * expr.c (emit_move_insn_1): Split push of complex value when
891 no suitable push instruction exist.
893 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
896 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
898 * alias.c (handled_component_p, can_address_p): New functions.
899 (get_alias_set): Use them.
901 2001-03-13 Jim Wilson <wilson@redhat.com>
903 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
904 from 80 in try_locals code.
905 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
907 2001-03-13 Zack Weinberg <zackw@stanford.edu>
909 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
910 gcc_AC_C_LONG_LONG): New.
911 * configure.in: Use them. Probe the size of short, int, long,
912 and long long/__int64 if we have them. Move all the AC_C_*
913 checks together, except gcc_AC_C_CHAR_BIT which has to go
914 after AC_CHECK_HEADERS(limits.h).
915 Take hwint.h out of host_xm_file and build_xm_file.
917 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
918 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
919 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
920 Move the HOST_WIDEST_INT setup logic here from system.h.
921 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
923 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
924 is now handled by hwint.h.
926 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
927 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
928 config/ia64/xm-ia64.h: Don't define any of:
929 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
930 HOST_BITS_PER_LONGLONG.
932 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
933 config/h8300/xm-h8300.h, config/mips/iris6.h,
934 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
935 config/sparc/xm-sp64.h: Delete.
936 * config.gcc: Remove references to deleted files.
938 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
939 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
940 * config/i370/xm-linux.h: Clarify floating-point situation in
943 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
945 * cppfiles.c (NO_INCLUDE_PATH): New macro.
946 (find_include_file): Decide here which part of the include
947 chain to start the search. Complain about an empty include
948 chain in all cases apart from an abolsute file name.
949 (_cpp_execute_include): Don't choose the search chain here.
950 Don't call handle_missing_include in the case of an empty
952 (_cpp_compare_file_date): Don't choose the search chain here.
953 * cpplib.c (do_include_next): Move the in-main-file diagnostic
954 here from _cpp_execute_include. Behave like #include if
955 we're in the main file.
957 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
959 * system.h (malloc, realloc, calloc, strdup): Only poison these
960 tokens when IN_GCC is defined.
962 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
964 * i386.md (abs?f expander): Support SSE case.
965 (abd?f_if): Add new "USE"; add splitters.
967 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
969 * cpp.texi (poison): Explain the macro expansion exception.
971 2001-03-13 Jakub Jelinek <jakub@redhat.com>
973 * expr.c (store_expr): Add dont_store_target. If temp is already in
974 target before copying to reg, don't store it into target again.
976 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
978 * cppinternals.texi: Update for file handling.
980 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
982 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
983 2001-02-24 which broke building the Java library.
984 * function.c (identify_blocks): Likewise.
985 (all_blocks): Likewise.
986 * integrate.c (integrate_decl_tree): Likewise.
987 * print-tree.c (print_node): Likewise.
988 * tree.h (BLOCK_NUMBER): Likewise.
989 (struct tree_block): Likewise.
991 2001-03-12 David Edelsohn <edelsohn@gnu.org>
993 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
994 __WCHAR_TYPE__ definition.
995 (WCHAR_TYPE_SIZE): #undef before #define.
997 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
999 * cppfiles.c: Update comments.
1000 (destroy_include_file_node): Rename destroy_node.
1001 (find_or_create_entry): New function.
1002 (open_file, _cpp_fake_include): Use it.
1003 (handle_missing_header): New function, broken out of
1004 _cpp_execute include. Don't segfault if there is no
1005 system or quoted path.
1006 (_cpp_execute_include): Use handle_missing_header.
1008 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1010 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1011 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1013 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1015 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1016 unless anti_dependence says they are.
1017 * alias.c (objects_must_conflict): If neither has a type specified,
1020 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1021 David Billinghurst <David.Billinghurst@riotinto.com>
1023 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1025 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1027 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1028 (*_one_bit): Remove type on the match_operand in attributes.
1030 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1032 * i386.c: Commit forgotten hunk in previous patch.
1033 (regclass_map): Add extended registers.
1034 (dbx_register_map): Add missing frame register.
1036 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1038 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1040 * i386.md (x86_sahf_1): Disable for 64bit.
1041 (popsi*, pophi*): Likewise.
1042 (pushqi, pushhi): Likewise.
1043 (movdi, pushdi): Likewise.
1044 (zero extend DImode splitter): Likewise.
1045 (adddi, minusdi splitter): Likewise.
1046 (umulsidi): Likewise.
1048 (mulsidi): Disable for 64bit
1049 (lshift:DI/ashift:DI): Disable for 64bit.
1050 (loop patterns): Likewise.
1051 (call_pop, call_value_pop expanders and patterns): Likewise.
1052 (prologue_get_pc): Likewise.
1054 (fcmovDI pattern and splitter): Likewise.
1055 (movdfcc_1_rex64): New.
1057 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1059 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1060 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1061 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1062 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1063 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1064 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1065 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1066 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1067 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1068 (REGPARM_MAX): Set to 6 for x86_64.
1069 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1070 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1073 * (patterns that does use upper halves): Update constraints
1074 'q' to 'Q' and 'r' to 'R'.
1075 (cmpqi_ext_1): Disable for 64bit.
1076 (cmpqi_ext_3_insn): Likewise.
1077 (movqi_extzv_1): Likewsie.
1078 (addqi_ext_1): Liekwsie
1079 (testqi_ext_1): Liekwsie
1080 (andqi_ext_1): Liekwsie
1081 (xorqi_ext_1): Liekwsie
1082 (cmpqi_ext_1_rex64): New.
1083 (cmpqi_ext_3_insn_rex64): Likewise.
1084 (movqi_extzv_1_rex64): Likewsie.
1085 (addqi_ext_1_rex64): Liekwsie
1086 (testqi_ext_1_rex64): Liekwsie
1087 (andqi_ext_1_rex64): Liekwsie
1088 (xorqi_ext_1_rex64): Liekwsie
1090 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1092 * configure.in: Move check for unsigned enumerated bitfields
1093 to macro in aclocal.m4. Disable it for now.
1094 * configure, config.in: Regenerate.
1095 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1096 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1097 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1098 kind above its first use.
1100 * config/xm-interix.h, config/alpha/xm-alpha.h,
1101 config/i370/xm-linux.h, config/i386/xm-beos.h,
1102 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1103 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1104 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1105 Don't define ONLY_INT_FIELDS under any circumstances.
1107 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1109 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1110 config/sparc/xm-sysv4.h: Delete - now identical with some
1112 * config.gcc (hppa targets): Replace xm-pahpux.h and
1113 xm-papro.h with implicit xm-pa.h.
1114 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1117 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1119 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1120 before reload_cse_noop_set_p.
1122 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1124 * config.gcc: Where xm-host.h used to include another
1125 xm-host.h, list the nested header directly in xm_file. Remove
1126 references to deleted files. Can now use sparc/xm-sp64.h for
1129 * config/xm-linux.h, config/arm/xm-linux.h,
1130 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1131 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1132 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1133 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1134 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1137 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1138 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1139 bother to wrap #undef in #ifdef.
1140 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1141 Don't include xm-linux.h.
1142 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1144 * configure.in: Wrap regexps using [] in changequote block.
1145 Use expr : not echo | grep. Simplify regexps.
1146 * configure: Regenerate.
1148 56 xm-files remain, 22 xm-arch.
1150 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1152 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1153 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1154 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1155 (copy_object): Fix format specifier vs argument mismatch.
1157 * mips-tdump.c: Make local functions static.
1158 (rindex): Don't #undef.
1159 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1160 (fatal, fancy_abort): Delete.
1161 (read_seek): Avoid signed/unsigned compare.
1163 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1165 * combine.c (try_combine): Fix error in change to try original
1167 (gen_rtx_combine): Do same as gen_rtx for now.
1169 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1171 * configure.in: AC_SUBST xm_defines.
1172 * configure: Regenerate.
1173 * Makefile.in: Set DEFINES=$(xm_defines) when building
1176 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1178 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1179 (cpp_included, find_include_file): Update.
1180 (_cpp_compare_file_date): Make else unconditional.
1182 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1184 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1186 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1188 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1189 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1191 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1193 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1194 if it's a record type.
1196 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1198 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1199 mingw includes slightly.
1201 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1203 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1204 #undef token before poisoning it.
1206 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1208 * alpha.c (check_float_value): Use memcpy, not bcopy.
1210 * m32r.c (m32r_sched_reorder): Likewise.
1212 * vax.c (check_float_value): Likewise.
1214 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1216 * toplev.c (file_name_nondirectory): Remove.
1217 * toplev.h: Similarly.
1218 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1219 of file_name_nondirectory.
1221 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1223 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1224 * mips-tfile.c: Don't #undef rindex; not used.
1226 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1228 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1229 (dbx64_register_map): Declare.
1230 (RETURN_ADDR_RTX): Fix for 64bit.
1231 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1232 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1233 * i386.c (dbx64_register_map): New global array.
1234 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1235 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1238 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1240 * cppfiles.c (search_from): Use lbasename.
1241 * mkdeps.c (deps_add_default_target): Use lbasename.
1243 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1245 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1246 xcalloc in lieu of malloc, realloc & calloc.
1248 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1250 * gengenrtl.c (xmalloc): Likewise.
1252 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1253 really_call_* memory allocation routines.
1255 * stmt.c (check_for_full_enumeration_handling): Use
1256 really_call_calloc, not calloc.
1258 * system.h (really_call_malloc, really_call_calloc,
1259 really_call_realloc): Define.
1260 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1262 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1264 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1266 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1268 * configure: Rebuilt.
1269 * configure.in: Only use `lang_requires' for languages athat are
1272 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1274 * invoke.texi: Fix typo.
1275 * gcc.1: Regenerate.
1277 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1279 * configure.in: Prune nonexistent files from build_xm_file,
1280 xm_file, and host_xm_file lists. Warn unless they're
1282 Don't generate *config.h here.
1283 AC_SUBST all variables needed to generate *config.h.
1284 * configure: Regenerate.
1285 * mkconfig.sh: New helper script, from code removed from
1287 * Makefile.in: Zap all MALLOC variables - no longer used
1288 anywhere, and malloc.c doesn't exist.
1289 Substitute in variables needed to generate *config.h.
1290 Stop lying about the dependencies contained in CONFIG_H and
1292 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1293 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1294 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1295 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1296 $(TM_P_H), etc. as appropriate.
1298 * config.gcc: Zap references to deleted files.
1299 * ggc-none.c: Don't include rtl.h or tm_p.h.
1301 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1302 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1303 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1304 config/i386/xm-linux.h, config/i386/xm-linux.h,
1305 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1306 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1307 Don't include i386/xm-i386.h.
1309 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1310 config/i386/xm-i386.h, config/i860/xm-i860.h,
1311 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1312 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1313 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1314 Delete (empty except comments, #includes of other deleted
1315 files, and macros used nowhere).
1317 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1319 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1320 independent on TARGET_FLAGS.
1322 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1324 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1326 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1328 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1330 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1331 LAST_REX_SSE_REG): define.
1332 (enum reg_class): Add 'LEGACY_REGS'
1333 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1334 (SSE_REGNO_P): Recognize extended registers.
1335 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1336 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1337 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1338 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1339 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1340 REG_OK_FOR_STRREG_P): Remove.
1341 (HI_REGISTER_NAMES): Add extended registers.
1342 (ADDITIONAL_REGISTER_NAMES): Likewise.
1343 (QI_REGISTER_NAMES): Add 8bit extended registers.
1344 (DEBUG_REG): Support extended registers.
1345 * i386.c (regclass_map): Add extended registers.
1346 (dbx_register-map): Likewise.
1347 (svr4_dbx_register_map): Likewise.
1348 (print_reg): Support extended registers.
1349 (print_operand): Support 64bit operands.
1351 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1353 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1354 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1355 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1356 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1357 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1358 STACK_BOUNDARY): Set properly for 64bits.
1359 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1360 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1361 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1362 (MOVE_MAX): Set to 16.
1363 (MOVE_MAX_PIECES): 8 for 64bit.
1364 (Pmode): Set to SImode.
1366 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1368 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1370 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1372 * i386.h (mask_64bit): New constant.
1373 (target_64bit): New macro.
1374 (target_options): Add '64'/'32'
1375 (target_default): Define.
1376 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1377 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1378 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1380 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1382 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1384 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1386 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1387 LO_SUM unless for_alias is set.
1389 2001-03-08 Stan Shebs <shebs@apple.com>
1391 * objc/objc-act.c: Fix old typos in comments, add comments for
1393 (hash_init): Fix file name in error message.
1394 (hash_enter): Ditto.
1395 (hash_add_attr): Ditto.
1396 (continue_class): Ditto.
1398 2001-03-08 Bruce Korb <bkorb@gnu.org>
1400 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1401 wait4() can receive the signal.
1403 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1405 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1407 * fixinc/fixincl.x: Regenerate.
1409 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1411 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1413 * fixinc/fixincl.x: Regenerate.
1415 2001-03-08 Richard Henderson <rth@redhat.com>
1417 * configure.in (HAVE_AS_LEB128): New assembler check.
1418 * configure, config.in: Rebuilt.
1420 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1422 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1425 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1427 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1428 references to the MAXPATHLEN macro.
1430 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1431 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1434 * config/i386/xm-gnu.h, config/xm-gnu.h,
1435 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1436 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1437 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1438 and/or unused files.
1440 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1441 doing so in various xm-*.h files.
1443 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1447 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1449 * configure.in (enable_shared): Support per-package shared-library
1451 * configure: Rebuilt.
1453 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1455 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1456 for crnot. Set operands[5] in splitter.
1458 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1460 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1461 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1462 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1463 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1464 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1465 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1466 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1469 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1470 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1471 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1472 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1473 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1474 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1475 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1476 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1477 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1478 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1479 Delete unused and/or empty files.
1481 * config.gcc: Define USG in xm_defines as appropriate. Define
1482 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1483 macro. Remove deleted xm-* files from $xm_files variable.
1485 2001-03-07 Tom Tromey <tromey@redhat.com>
1487 * configure: Rebuilt.
1488 * configure.in: Allow config-lang.in to set `lang_requires' to list
1489 of other required languages.
1491 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1493 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1495 (output_prologue): Use xmalloc not oballoc.
1496 (output_epilog): Free a29k_first_epilogue_insn when finished.
1497 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1499 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1501 * builtins.c (expand_builtin_mathfn): Check
1502 flag_unsafe_math_optimizations, not flag_fast_math.
1503 (expand_builtin): Likewise
1504 * combine.c (combine_simplify_rtx): Likewise.
1505 (simplify_if_then_else): Likewise.
1506 * cse.c (fold_rtx): Likewise.
1507 * flags.h: Remove flag_fast_math. Add
1508 flag_unsafe_math_optimizations and flag_trapping_math.
1509 * fold-const.c (negate_expr): Check
1510 flag_unsafe_math_optimizations, not flag_fast_math.
1511 (invert_truthvalue): Likewise.
1512 (fold): Likewise. Before associating operands, check that
1513 code == MULT_EXPR, not code != MULT_EXPR.
1514 * ifcvt.c (noce_try_minmax): Check
1515 flag_unsafe_math_optimizations, not flag_fast_math.
1516 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1517 * invoke.texi: Document -funsafe-math-optimizations and
1518 -fno-trapping-math. Change documentation for -ffast-math.
1519 * jump.c (reversed_comparison_code_parts): Likewise.
1520 (rtx_equal_for_thread_p): Likewise.
1521 * optabs.c (emit_conditional_move): Likewise.
1522 * simplify-rtx.c (simplify_binary_operation): Likewise.
1523 (simplify_relational_operation): Likewise.
1524 (simplify_ternary_operation): Likewise.
1525 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1526 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1527 Add trapping-math and unsafe-math-optimizations entries to f_options.
1528 (set_fast_math_flags): New, sets flags for -ffast-math.
1529 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1530 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1531 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1533 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1534 (alpha_emit_conditional_move): Initialize local_fast_math to
1535 flag_unsafe_math_optimizations, not flat_fast_math.
1536 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1537 instead of setting flag_fast_math to 1.
1538 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1540 * config/i386/i386.c (override_options): Likewise
1541 * config/i386/i386.md: Likewise.
1542 * config/m68k/m68k.md: Likewise.
1543 * config/mips/mips.md: Likewise.
1544 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1545 (rs6000_generate_compare): Likewise.
1547 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1549 * Makefile.in: Set RANLIB to @RANLIB@.
1552 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1554 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1555 * fixinc/fixincl.x: Regenerated.
1557 2001-03-07 Richard Henderson <rth@redhat.com>
1559 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1561 2001-03-07 Richard Henderson <rth@redhat.com>
1563 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1564 of block notes and exception handling notes.
1566 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1567 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1568 (compile_file): ... here.
1570 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1574 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1575 config.h now. Include libiberty.h to handle alloca.
1577 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1579 * c-parse.in (yylexname): New function, split out of _yylex.
1580 (objc_rid_sans_at): New table.
1581 (init_reswords): Initialize it.
1582 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1583 retrieving the next token and checking it for significance as
1584 an ObjC keyword or string constant.
1586 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1587 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1589 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1592 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1594 * config/m68k/m68k.c (const_uint32_operand): Accept any
1595 const_int on a 32-bit host.
1597 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1599 * objc/objc-act.c (init_objc): Set save_lang_status,
1600 restore_lang_status, and mark_lang_status.
1602 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1604 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1606 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1608 * cppinternals.texi: Update.
1610 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1612 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1613 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1614 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1615 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1616 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1617 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1618 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1619 config/i386/xm-i386.h, config/i860/xm-i860.h,
1620 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1621 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1622 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1623 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1624 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1625 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1626 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1627 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1628 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1629 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1630 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1631 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1632 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1633 match the defaults provided in hwint.h.
1635 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1636 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1638 * config.gcc (xm_file): Don't set to files which are deleted.
1640 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1641 guard this file against these macros being undefined.
1643 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1645 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1646 and DECL_DEFER_OUTPUT on the decl we create, before calling
1647 rest_of_decl_compilation.
1649 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1651 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1653 * configure, config.in: Regenerate.
1654 * config.gcc: Remove references to deleted files.
1656 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1657 genrecog.c, rtl.c: Do not use alloca anywhere.
1659 * Makefile.in, build-make, system.h, config/x-interix,
1660 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1661 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1662 config/arc/xm-arc.h, config/arm/xm-arm.h,
1663 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1664 config/h8300/xm-h8300.h, config/i370/x-oe,
1665 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1666 config/i386/x-ncr3000, config/i386/x-sco5,
1667 config/i386/xm-dgux.h, config/i860/x-sysv4,
1668 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1669 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1670 config/m68k/x-hp320g, config/m69k/x-mot3300,
1671 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1672 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1673 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1674 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1675 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1676 config/mips/x-iris, config/mips/x-iris3,
1677 config/mips/x-sni-svr4, config/mips/x-sysv,
1678 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1679 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1680 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1681 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1682 config/pa/xm-papro.h, config/romp/xm-romp.h,
1683 config/rs6000/x-aix31, config/rs6000/x-aix41,
1684 config/rs6000/x-beos, config/rs6000/x-lynx,
1685 config/rs6000/x-mach, config/rs6000/x-rs6000,
1686 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1687 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1688 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1689 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1690 config/vax/xm-vms.h: Eradicate all references to alloca and
1693 * config/xm-alloca.h, config/clipper/x-clix,
1694 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1695 config/i860/x-sysv3, config/m88k/x-sysv3,
1696 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1697 (contained only alloca related hacks).
1699 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1702 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1704 * invoke.texi: Document __FAST_MATH__.
1706 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1708 * crtstuff.c: Restore include of auto-host.h.
1710 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1712 Put main() in a separate file, so that the language
1713 front-end can use a different main().
1716 * toplev.c: (main): Rename as toplev_main.
1717 * toplev.h: Declare toplev_main.
1718 * Makefile.in (OBJS): add toplev.o.
1719 (BACKEND): remove toplev.o, add main.o.
1721 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1723 * cppfiles.c (search_from): Special case the empty string.
1725 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1727 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1728 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1729 strlen or strcpy; we already know the length.
1730 (_cpp_compare_file_date): Similarly.
1731 * cpphash.h (struct cpp_reader): Delete done_initialising.
1732 (CPP_PREV_BUFFER): Delete.
1733 * cppinit.c (cpp_start_read): Don't set done_initialising.
1734 * cpplex.c (parse_string): Guarantee null-termination.
1735 (_cpp_equiv_toklists): Remove.
1736 * cpplib.c (glue_header_name): Null-terminate.
1737 (do_line): Don't leak memory.
1738 * cpplib.h (BT_WEAK): Delete.
1739 * cppmain.c (cb_ident): Strings are now null-terminated.
1741 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1743 * gcc.c (convert_filename): Append executable suffix
1744 if NO_AUTO_EXE_SUFFIX is not defined.
1745 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1746 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1748 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1750 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1751 * c-parse.gperf, c-gperf.h: Delete.
1752 (c-gperf.h was accidently re-added to the CVS repo in the rev
1753 1.16 commit by tromey)
1755 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1757 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1758 macro arguments when looking for the '('.
1759 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1760 2 when really parsing arguments; 1 when looking for '('.
1761 Always restore the lexer position.
1763 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1765 * longlong.h (umul_ppmm): Don't use a multiline string.
1767 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1769 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1770 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1771 t_bool in declaration because pcc can't combine volatile with typedef
1774 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1776 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1777 until when it is really needed.
1778 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1779 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1780 * i386.md (float?i?f splitter): Don't force source operand to memory
1782 (sse_movdfcc): Fix constraint.
1783 (sse_movdfcc splitter): Handle properly the second alternative.
1785 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1787 * cpplex.c (parse_string): Unconditionally pedwarn.
1789 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1792 * cppexp.c (parse_number): Update.
1793 * cpplex.c (parse_string): Pedwarn if multiline string does not
1794 result from a system header's macro.
1795 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1796 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1797 for function-like macros too.
1798 * c-lex.c (lex_number): Update.
1800 2001-03-03 Richard Henderson <rth@redhat.com>
1802 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1804 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1806 * combine.c (try_combine): If split with mode-changed scratch
1807 register didn't work, try the original mode.
1809 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1811 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1812 * config/c4x/c4x.h: Likewise.
1813 * stor-layout.c (compute_record_mode): Likewise.
1814 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1816 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1818 * configure.in: Kill tm.h. Include the files in the $tm_file
1819 list in all three of config.h, hconfig.h, tconfig.h, after the
1820 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1821 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1822 * configure: Regenerate.
1823 * Makefile.in (clean): Don't delete tm.h.
1825 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1826 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1827 those are not defined, set SEC and FEC to 0 and 1.
1828 * gcc.texi: Update to match.
1830 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1831 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1832 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1833 Include tconfig.h, not tm.h.
1835 * config/xm-lynx.h, config/xm-std32.h,
1836 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1837 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1838 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1839 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1840 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1841 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1842 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1843 config/i386/xm-i386.h, config/i860/xm-i860.h,
1844 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1845 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1846 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1847 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1848 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1849 config/pa/xm-linux.h, config/pa/xm-pa.h,
1850 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1851 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1852 config/pj/xm-pj.h, config/romp/xm-romp.h,
1853 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1854 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1855 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1856 config/v850/xm-v850.h, config/vax/xm-vax.h,
1857 config/we32k/xm-we32k.h:
1859 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1861 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1862 config/i370/xm-oe.h: Don't include tm.h. Don't define
1864 * config/vax/xm-vms.h: Don't include tm.h.
1866 * config/xm-lynx.h, config/avr/xm-avr.h,
1867 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1868 Delete; made empty by above changes.
1869 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1870 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1871 Don't include config/xm-lynx.h or tm.h.
1873 * config/xm-gnu.h: Don't include fcntl.h.
1874 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1876 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1878 2001-03-02 Richard Henderson <rth@redhat.com>
1880 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1881 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1883 2001-03-02 Richard Henderson <rth@redhat.com>
1885 * Makefile.in (OBJS): Add dwarf2asm.o.
1886 * dwarf2asm.c, dwarf2asm.h: New files.
1887 * dwarf2out.c (*): Use them.
1888 (size_of_uleb128, size_of_sleb128): Remove.
1889 (output_uleb128, output_sleb128): Remove.
1890 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1891 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1892 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1893 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1894 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1895 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1896 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1897 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1898 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1899 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1900 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1901 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1902 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1903 (dwarf2out_frame_debug): Remove unused variables.
1904 (output_loc_operands): Don't abort on 8 byte constants if
1905 host integers are wide enough.
1906 (output_symbolic_ref): Remove.
1907 (size_of_die): Don't assume 4 byte host integers.
1908 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1910 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1911 something stupid with HOST_WIDE_INT to long truncation.
1912 [CONST_DOUBLE]: Likewise.
1914 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1915 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1916 * config/arm/unknown-elf.h: Likewise.
1917 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1918 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1919 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1920 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1921 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1922 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1923 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1924 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1925 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1926 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1927 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1928 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1930 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1932 * cselib.c (hash_rtx): Cast enums to unsigned int.
1934 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1936 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1937 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1939 * c-format.c (C_STD_VER): Cast to int for comparisons.
1940 (check_function_format): Cast various enums to int for &.
1941 (maybe_read_dollar_number): Likewise.
1942 (check_format_info): Likewise.
1943 (check_format_info_main): Likewise.
1944 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1945 (safe_from_p): Likewise.
1946 * varasm.c (const_hash): Cast enum to int for %.
1947 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1948 pcc enum problems with < and ++ operators.
1949 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1950 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1951 (regclass_init): Change enum class to int to iterate over reg_classes.
1952 * genrecog.c (merge_trees): Cast enums for comparison.
1953 * rtl.h (GET_CODE): Cast to enum rtx_code.
1954 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1955 (GET_MODE): Cast to enum machine_mode.
1956 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1957 (GET_NOTE_INSN_NAME): Cast enum to int.
1958 * tree.h (TREE_CODE): Cast to enum tree_code.
1959 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1960 * timevar.c (timevar_print): Change loop variable id from enum to
1962 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1963 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1964 * toplev.c (compile_file): Cast enum DFI to int.
1965 (decode_d_option): Likewise.
1967 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1969 * cppinit.c (append_include_chain): Mark "after" include file name list
1970 as a system directory.
1971 * cpp.texi: Document new behavior.
1973 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1975 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1977 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1979 * cppfiles.c (struct include_file): Update.
1980 (stack_include_file): Use search_from.
1981 (cpp_included, find_include_file): Update.
1982 (cpp_execute_include): Update. ptr->name may not be
1983 null terminated. Use the new search_from member variable
1985 (_cpp_compare_file_date): Similarly.
1986 (search_from): New function, similiar to actual_directory.
1987 (actual_directory): Delete.
1988 (remap_filename): Update. loc->name may not be null terminated.
1989 (struct file_name_list): Rename search_path. Update.
1990 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1991 search_from and dir.
1992 (struct cpp_reader): Remove actual_dirs.
1993 * cppinit.c (struct cpp_pending): Update for renamed objects.
1994 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1995 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1996 * cpplib.h (struct cpp_options): Similarly.
1998 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2000 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2001 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2002 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2003 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2004 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2005 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2006 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2007 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2008 config/i370/xm-oe.h, config/i386/xm-aix.h,
2009 config/i386/xm-i386.h, config/i386/xm-osf.h,
2010 config/i860/xm-i860.h, config/i960/xm-i960.h,
2011 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2012 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2013 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2014 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2015 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2016 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2017 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2018 config/pj/xm-pj.h, config/romp/xm-romp.h,
2019 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2020 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2021 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2022 config/v850/xm-v850.h, config/vax/xm-vax.h,
2023 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2024 Do not define TRUE or FALSE.
2026 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2027 empty by above change.
2028 * config.gcc: Remove references to these files.
2030 * configure.in: Detect stdbool.h.
2031 * configure, config.in: Regenerate.
2032 * system.h: Include stddef.h here if available.
2033 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2034 Then set up a sensible boolean type at the very end.
2036 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2037 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2039 * hash.h: Delete 'boolean' typedef and related #undefs.
2041 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2042 all uses of 'boolean' with 'bool'.
2044 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2046 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2047 * cppexp.c (lex): Cast enums for comparison.
2048 * cppinit.c (parse_option): Cast enum for comparison.
2049 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2050 (cpp_output_token): Likewise.
2051 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2052 (cpp_avoid_paste): Cast enums for minus and comparison.
2054 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2056 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2057 field to all array elements.
2059 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2061 * cpphash.h (struct cpp_reader): Add print_version field.
2062 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2063 just set print_version and other flags as appropriate.
2064 (cpp_post_options): Print version here if print_version is set.
2066 * toplev.c (exit_after_options): New flag.
2067 (independent_decode_option): Don't exit here; just set
2069 (main): Exit after calling lang_hooks.post_options if
2070 exit_after_options is true.
2072 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2073 (merge_include_chains): Adjust comment to match code.
2075 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2077 * stringpool.c (set_identifier): New function.
2078 * tree.h: Prototype it.
2080 * c-parse.in: Kill D_YES. If compiled for objc, call
2081 save_and_forget_protocol_qualifiers from init_reswords.
2082 * objc/objc-act.c (remember_protocol_qualifiers,
2083 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2084 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2086 (save_and_forget_protocol_qualifiers): New function.
2087 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2089 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2091 * c-semantics.c (prune_unused_decls): Return error_mark_node
2092 instead of (tree) 1 to stop traversing the tree chain.
2094 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2096 Fix a problem introduced by Kenner's Feb 18 change.
2097 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2098 flag_cse_skip_blocks only temporarily, not for ever.
2100 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2102 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2103 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2105 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2106 before determining its register class.
2108 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2110 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2111 from reg 4 if current_function_calls_setjmp.
2112 (gen_nop_type): New function.
2113 (ia64_emit_nops): New function.
2114 (ia64_reorg): Call it.
2115 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2117 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2118 code not to try to optimize adds with anything but a REG destination.
2120 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2121 (INSN_PRIORITY_KNOWN): New accessor macro.
2122 * haifa-sched.c (priority): Use it instead of testing priority against
2125 2001-02-28 DJ Delorie <dj@redhat.com>
2127 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2128 since that doesn't work the way gcc wants on a generic m68k.
2130 2001-02-28 Richard Henderson <rth@redhat.com>
2132 * caller-save.c (save_call_clobbered_regs): Fix typo in
2133 comparison last change.
2135 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2137 * i386.c (pentium4_cost): New.
2138 (m_PENT4): New macro.
2139 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2140 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2141 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2142 x86_memory_mismatch_stall): Add Pentium4
2143 (x86_use_q_reg, x86_use_any_reg): Kill.
2144 (override_options): Add pentium4.
2145 (incdec_operand): Return 0 for pentium4.
2146 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2147 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2148 (TARGET_PENTIUM4): Define.
2149 (enum processor_type): Add PROCESSOR_PENTIUM4.
2150 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2151 * i386.md (attribute "cpu"): Add pentium4.
2152 * invoke.texi (march): Add pentium4.
2154 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2156 * i386.md (sse_mov?fcc*): New patterns and splitters.
2157 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2158 the SSE based conditional moves.
2160 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2162 * i386.md (attribute mode): Add "TI".
2163 (movsf_1): Add pxor support; remove constant propagation splitter.
2164 (movdf_integer): Likewise.
2165 (movdf_nointeger): Likewise.
2166 (movxf constant prop splitter): Handle all modes; update for SSE.
2167 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2168 * i386.c (standard_80387_constant_p): Rewrite.
2169 (standard_sse_constant_p): New.
2170 * i386-protos.h (standard_sse_constant_p): New.
2172 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2174 * i386.md (sse_setccsf, sse_setccdf): New.
2175 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2177 * i386.c (sse_comparison_operator): Accept the supported unordered
2178 comparses; be ready for fast_math.
2179 (print_operand): Support 'D'.
2181 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2183 * jump.c (reversed_comparison_code): Kill.
2185 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2187 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2190 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2192 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2193 add missing '%' in constraints.
2195 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2197 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2198 for HOST_BITS_PER_WIDE_INT == 32 too.
2200 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2202 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2204 (insert_save, insert_restore): New parameter save_mode.
2205 (init_caller_save): Update initialization of reg_save_code
2206 and reg_restore_code.
2207 (save_call_clobbered_regs): Compute save_modes and update calls to
2208 reg_save_code and reg_restore_code.
2209 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2210 of spill; update use of reg_restore_code.
2211 (insert_save): Likewise.
2212 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2213 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2214 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2216 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2218 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2219 noce_try_store_flag_inc, noce_try_store_flag_mask,
2220 noce_try_cmove_arith):
2221 Use reversed_comparison_code instead of reverse_comparison and
2222 can_reverse_comparison_p.
2224 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2226 * jump.c (reversed_comparison_code_parts): Allow reversal of
2227 unordered compares in -ffast-math mode; reverse ordered compares
2228 for FP even w/o -ffast-math.
2230 2001-02-27 Richard Henderson <rth@redhat.com>
2232 * print-rtl.c (print_rtx) [i]: Don't print field five on
2233 NOTEs other than NOTE_INSN_DELETED_LABEL.
2235 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2237 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2238 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2240 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2242 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2243 even if walk_subtrees is 0.
2244 * c-semantics.c (prune_unused_decls): Return a non-null value to
2245 stop traversing the tree chain.
2247 2001-02-27 DJ Delorie <dj@redhat.com>
2249 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2250 register, *then* define it as the new CFA.
2252 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2254 * pa.c (override_options): Promote -fpic to -fPIC.
2255 (legitimize_pic_address): Simplify due to removal of
2256 small PIC as a code generation option.
2257 (secondary_reload_class): Similarly.
2258 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2259 (PRINT_OPERAND_ADDRESS): Similarly.
2260 * pa.md (various patterns): Similarly.
2261 (small pic lo_sum pattern): Remove.
2263 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2266 * md.texi (min, max): Document
2268 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2270 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2271 TARGET_PARTIAL_REG_DEPENDENCY.
2272 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2274 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2276 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2278 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2280 * mips.c (mips_make_temp_file): Fix thinko in last change.
2282 2001-02-26 Jason Eckhardt <jle@redhat.com>
2284 * combine.c (known_cond): Do not reverse the condition when
2285 SMAX/UMAX is being considered and the condition is for equality
2288 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2290 2001-02-26 Philip Blundell <philb@gnu.org>
2292 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2294 * config/arm/linux-elf.h: Remove historical relics related to
2295 above configurations.
2296 * config/arm/linux-oldld.h: Delete.
2297 * config/arm/linux-elf26.h: Delete.
2299 2001-02-26 Jason Merrill <jason@redhat.com>
2301 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2303 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2304 recognize a tentative definition. Lose obsolete code.
2306 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2307 variables unless necessary, either.
2309 2001-02-25 Richard Henderson <rth@redhat.com>
2311 * ifcvt.c (struct noce_if_info): Add test_bb.
2312 (noce_get_alt_condition): New.
2313 (noce_try_minmax, noce_try_abs): New.
2314 (noce_operand_ok): New.
2315 (noce_process_if_block): Use them.
2316 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2318 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2320 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2323 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2325 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2326 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2328 (mips_asm_file_end): Free temp_filename here.
2330 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2333 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2335 * config/i386/i386.md (movstrsi): Handle FAIL case.
2337 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2339 * cppinit.c (builtin_array): Update.
2340 (init_builtins): Flag builtins to warn if redefined or
2341 undefined. Define __GXX_WEAK as a normal macro.
2342 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2343 * cpplib.h (NODE_WARN): New flag.
2344 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2345 Handle __STDC__ as a builtin only on Solaris.
2346 (warn_of_redefinition): Renamed from check_macro_definition.
2347 Reverse sense of test. Always warn if NODE_WARN.
2348 (_cpp_create_definition): Use warn_of_redefinition. Flag
2349 any macro beginning with "__STDC_" to require a mandatory
2350 warning if redefined or undefined.
2352 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2354 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2355 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2356 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2357 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2358 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2359 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2360 Don't define any of:
2361 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2362 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2363 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2364 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2365 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2367 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2368 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2371 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2372 Delete now-empty file.
2374 * alpha/vms.h: Define NEED_ATEXIT here...
2375 * alpha/xm-vms.h: ...not here.
2377 * i386/cygwin.h: Don't define PARAMS.
2378 * mips/mips.c: Don't prototype mktemp. Don't define
2379 P_tmpdir. Use make_temp_file to create temporary files.
2380 Don't be clever and delete temporary files early.
2381 * config.gcc: Drop references to deleted files. Don't define
2383 * gcc.texi: Don't mention USE_PROTOTYPES.
2385 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2387 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2388 (ix86_set_move_mem_attrs_1): Likewise.
2389 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2390 * config/i386/i386.md (movstrsi): Call it.
2392 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2394 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2395 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2396 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2397 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2399 (i750a-*-*): Error here if hosting on i750a.
2400 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2402 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2403 Remove (empty modulo comments).
2405 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2406 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2407 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2408 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2409 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2410 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2412 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2413 Remove reference to winnt.h in comment.
2414 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2416 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2418 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2419 used to set another biv.
2421 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2423 * tree.h (BLOCK_DEAD): New macro.
2424 (struct tree_block): New flag, dead_flag.
2425 * print-tree.c (print_node, case 'b'): Print missing fields.
2426 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2427 * function.c (identify_blocks): Enable test for misplaced notes.
2428 (all_blocks): Skip BLOCK_DEAD blocks.
2429 * integrate.c (integrate_decl_tree): Likewise.
2431 * errors.c (internal_error, trim_filename): New functions.
2432 (fancy_abort): Call internal_error.
2433 * errors.h (internal_error, trim_filename): New declarations.
2435 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2437 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2439 (EXTRA_CONSTRAINT): Formatting changes.
2441 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2443 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2445 2001-02-23 Per Bothner <per@bothner.com>
2447 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2448 so they can be called from java/jvspec.c.
2449 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2451 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2453 * i386.c (ix86_frame): New structure.
2454 (ix86_compute_frame_size): Kill.
2455 (ix86_compute_frame_layout): New.
2456 (ix86_save_reg): New.
2457 (ix86_can_use_return_insn_p): Use frame layout stuff.
2458 (ix86_expand_prologue): Likewise.
2459 (ix86_expand_epilogue): Likewise.
2460 (ix86_initial_elimination_offset): Likewise.
2461 (ix86_nsaved_regs): Use ix86_save_reg.
2462 (ix86_emit_save_regs): Likewise.
2464 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2466 * flow.c (find_sub_basic_blocks): New function.
2467 (split_block): Be ready for basic block introduced by CODE_LABEL.
2468 (commit_one_edge_insertion): Call find_sub_basic_block.
2470 * flow.c (make_edges): Add edge from entry for blocks starting with
2471 label having ALTERNATE_NAME
2473 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2475 * function.c (epilogue_done): Be ready for first basic block not
2476 containing PROLOGUE_END note.
2477 (reposition_prologue_and_epilogue_notes): Avoid placing
2478 PROLOGUE_END note between BASIC_BLOCK.
2480 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2482 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2484 2001-02-21 DJ Delorie <dj@redhat.com>
2486 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2487 check for current_function_has_nonlocal_goto from 1999-11-12.
2489 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2491 * diagnostic.c (trim_filename): No longer static.
2492 * toplev.h (trim_filename): Declare.
2493 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2494 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2495 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2496 (rtvec_check_failed_bounds): Likewise.
2497 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2499 * convert.c (convert_to_integer): Don't do unsigned unless result or
2500 both inputs are unsigned.
2502 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2505 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2507 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2509 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2511 * Makefile.in (resource.o): Add params.h dependence.
2512 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2513 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2514 * resource.c: Add dependence on params.h.
2515 (current_live_regs): Fix explanatory comment.
2516 (find_basic_block): Add new parameter to permit limiting search
2518 (mark_target_live_regs): Add new argument to find_basic_block call.
2519 (incr_ticks_for_insn): Likewise.
2521 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2523 * diagnostic.c (output_to_stream): Rename to
2524 output_buffer_to_stream. Loses the stream parameter.
2525 (init_output_buffer): Set diagnosic_buffer's stream.
2526 (flush_diagnostic_buffer): Adjust.
2527 (default_print_error_function): Likewise.
2528 (finish_diagnostic): Likewise.
2529 (verbatim): Likewise.
2531 * diagnostic.h (struct output_buffer): Add `stream' field.
2532 (output_buffer_attached_stream): New macro.
2534 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2536 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2537 check if either operand is divisible by C.
2538 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2539 If type is signed, consider negative numbers as well.
2541 2001-02-22 Richard Henderson <rth@redhat.com>
2543 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2544 reach .text instead of gp-relative relocs.
2545 * config/ia64/crtend.asm (.init): Likewise.
2547 2001-02-22 Andreas Jaeger <aj@suse.de>
2549 * extend.texi (C++ Attributes): Fix typo.
2551 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2553 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2554 functions, drop current_function_args_info.words test.
2555 (ia64_compute_frame_size): Mark syscall_linkage functions as
2556 using eight input registers.
2558 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2559 Bruce Korb <bkorb@gnu.org>
2561 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2562 * fixinc/README: Document how to convert sed substitutions
2563 to format style c_fix-es.
2564 * fixinc/fixincl.x: regen
2566 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2568 * gcc.c: Add comment explaining how to add a command-line option.
2569 Add title to specs language comment.
2571 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2573 * gcc.c (cc1_options): Add "-param".
2574 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2575 (option_map): Likewise.
2576 * toplev.c (display_help): Add entry for "--param".
2577 (independent_decode_option): Fix typographical error.
2579 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2580 Bernd Schmidt <bernds@redhat.com>
2581 Jan Hubicka <jh@suse.cz>
2583 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2584 (function_arg): Likewise.
2586 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2588 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2590 2001-02-21 Kazu Hirata <kazu@hxi.com>
2592 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2596 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2598 * flow.c (init_propagate_block_info): Canon address and use single_set
2599 for killing dead memory stores.
2601 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2603 * Makefile.in (reorg.o): Add params.h dependence.
2604 * params.def: Fix typographical error in comment.
2605 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2606 * params.h: Modify introductory comment.
2607 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2608 * reorg.c: Add dependence on params.h.
2609 (redundant_insn): Add parameterized throttle for search.
2610 (fill_simple_delay_slots): Add a comment explaining a variable.
2611 Move conditional out of loop, simplifying code.
2612 (fill_eager_delay_slots): Fix typographical error in comment.
2614 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2616 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2618 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2619 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2621 2001-02-21 Jason Merrill <jason@redhat.com>
2623 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2624 (struct tree_decl): Add uninlinable bitfield.
2625 * c-decl.c (duplicate_decls): Set it.
2626 * integrate.c (function_cannot_inline_p): Check it.
2628 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2629 DW_AT_MIPS_linkage_name to abstract methods.
2630 (dwarf2out_abstract_function): Emit class context before calling
2631 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2632 (gen_subprogram_die): Remove obsolete code.
2633 (gen_member_die): Don't include clones in the member list.
2634 (gen_decl_die): Emit abstract info for clone origin.
2635 * dwarfout.c (output_type): Don't include clones in the member list.
2636 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2637 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2638 DECL_ABSTRACT on a function that already has it set.
2640 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2641 (get_subprogram_die): Pass it in.
2643 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2645 * flow.c (mark_set_1): Make not_dead unsigned long. For
2646 non-pseudos, use it as a bitmask of the hard regs that
2649 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2651 * cppfiles.c: Update comments.
2652 (_cpp_read_file): Don't check for NULL filenames any more.
2653 * cppinit.c (cpp_start_read): Don't do canonicalization of
2654 in_fname and out_fname. Use the passed file name exclusively.
2655 (_cpp_handle_options): Don't treat "-" as a command line option,
2656 but as a normal filename.
2657 (_cpp_post_options): Canonicalize in_fname and out_fname.
2658 * cppmain.c (printer_init): Don't check out_fname for NULL.
2659 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2660 (init_c_lex): Update, and use "" to represent stdin to CPP.
2663 2001-02-20 Will Cohen <wcohen@redhat.com>
2665 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2666 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2667 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2670 2001-02-20 Stan Shebs <shebs@apple.com>
2672 * config/rs6000/rs6000.c (output_cbranch): Output branches
2673 on separate lines instead of using ';' to separate.
2675 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2677 * cppinit.c (set_lang): Move builtin handling to...
2678 (init_builtins): ...here.
2679 (_cpp_create_reader): Move call to set_lang.
2681 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2683 * stmt.c (expand_return): If an attempt is made to return the
2684 error_mar_node, treat the return like a return without a value.
2686 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2688 * sibcall.c (skip_copy_to_return_value): Call
2689 identify_call_return_value here, and return orig_insn if it
2690 returns zero. Hardret and softret arguments now unnecessary.
2691 (call_ends_block_p): Don't call identify_call_return_value here.
2693 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2695 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2696 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2698 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2700 * pa.c (move_operand): Accept code to load the address of a
2701 symbol out of the DLT as a valid move operand.
2702 (print_operand, case 'A'): New to handle generating a DLT
2703 reference for a LO_SUM expression.
2704 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2705 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2707 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2709 * README, cpp.texi, gcc.texi, version.c: Update version number to
2711 * cpp.1, gcov.1, gcc.1: Regenerate.
2713 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * cppfiles.c (stack_include_file): Generate dependencies
2716 here, and manage include_count here too.
2717 (PRINT_THIS_DEP): Delete.
2718 (_cpp_execute_include): Do not generate dependencies here,
2719 apart from the case of a missing header. Do not manage
2721 (_cpp_read_file): Leave dependency generation to
2724 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2726 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2727 target_cpu_default. Remove dead assignment to
2730 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2732 * regclass.c (contains_reg_of_mode): Make global.
2733 (init_reg_sets): Remove contains_reg_of_mode; take into account
2734 CLASS_MAX_NREGS when looking for the proper mode.
2735 (dump_regclass): Dump only classes considered for the pseudo.
2736 (regclass): Use contains_reg_of_mode.
2738 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2740 * gcc.c (do_spec_1): 'n' for printing notices.
2741 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2743 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2745 * reg-stack.c (next_flags_user): Use current_block->end
2746 (swap_rtx_condition): Look for next user if flags don't die;
2747 give up on CALL_INSNs; use current_block->end.
2749 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2751 * sibcall.c (call_ends_block_p): New function.
2752 (optimize_sibling_and_tail_recursive_call): Use it.
2754 2001-02-18 Kazu Hirata <kazu@hxi.com>
2756 * config/h8300/h8300.md: Update copyright.
2757 (andsi3): Do not output an extra newline character.
2759 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2761 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2762 FNDECL may be unused.
2764 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2765 follow jumps after first run.
2766 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2767 it doesn't change any jumps.
2769 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2771 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2772 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2773 (mostlyclean): Corresponding changes.
2774 * rtlanal.c (hard-reg-set.h): Include.
2775 (rtx_unstable_p): Do not treat the argument pointer specially
2776 if it is not a fixed register.
2777 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2779 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2781 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2782 against last real insn in basic block.
2783 Rework to avoid gotos.
2785 * Makefile.in (gcse.o): Now includes ggc.h.
2786 * gcse.c: Include ggc.h.
2787 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2788 (try_replace_reg): Remove warning of uninitialize variable.
2789 (process_insert_insn): Call invalid_insn_p to validate insn.
2790 * recog.c (insn_invalid_p): Now global.
2791 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2792 * recog.h (insn_invalid_p): New declaration.
2794 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2796 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2797 assignments from FP constants since 'Y' output code can't handle it.
2798 (eligible_for_sibcall_delay): Likewise.
2800 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2801 Call fancy_abort directly, passing args.
2802 (print_rtl_and_abort): Now a macro, like fancy_abort.
2804 * final.c (output_operand_lossage): Use internal_error, not error.
2806 2001-02-18 Shane Nay <shane@agendacomputing.com>
2808 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2809 structure shift insns.
2811 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2813 * invoke.texi (-fsquangle): Remove documentation.
2814 (-fname-mangling-version): Likewise.
2816 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2818 * optabs.c (expand_abs): Remove reference to
2819 HAVE_contitional_arithmetic.
2820 * combine.c (simplify_set): Likewise.
2822 2001-02-18 Richard Henderson <rth@redhat.com>
2824 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2827 2001-02-18 Richard Henderson <rth@redhat.com>
2829 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2831 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2833 * reload1.c (reload_cse_simplify_set): Fix typo.
2835 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2837 * diagnostic.c (_fatal_insn): Decrement errorcount.
2839 * invoke.texi (-I): Add note avoiding use for system header files.
2841 * rtl.h (add_clobbers): Remove duplicate declaration.
2842 * recog.h (added_clobbers_hard_reg_p): New declaration.
2843 * genemit.c (struct clobber_pat): New field has_hard_reg.
2844 (gen_insn): Record if added clobbers clobber hard reg.
2845 (gen_split): Avoid unused warning if number of operands is 0.
2846 (output_added_clobbers_hard_reg_p): New function.
2849 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2851 * pa.c (hppa_expand_prologue): Simplify code storing return
2852 pointer. For large (>=8k) frames with a post_store, adjust stack
2853 pointer by 8k-64 first rather than by 64. When testing with
2854 VAL_14_BITS_P, always use the actual value rather than the value
2855 negated. Add blockage to prevent scheduling of spills before
2856 stack frame has been created.
2857 (hppa_expand_epilogue): Simplify code loading return pointer.
2858 Allow a slightly larger range for merge_sp_adjust_with_load case.
2859 When testing with VAL_14_BITS_P, always use the actual value.
2861 * pa.c (pa_adjust_insn_length): Check that block move
2862 pattern is a set before looking at operands.
2864 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2866 * fold-const.c (fold_binary_op_with_conditional_arg): New
2867 function, split out from ...
2869 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2870 conditional arms that throw exceptions.
2872 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2875 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2877 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2878 define HAVE_DECL_* to 1 to mask potential backup declarations.
2879 * configure: Regenerated.
2881 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2883 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2885 2001-02-17 Richard Henderson <rth@redhat.com>
2887 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2888 when replacing a memory load with a register.
2890 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2891 Jan Hubicka <jh@suse.cz>
2893 * recog.c (validate_replace_src_1): New.
2894 (validate_replace_src_data): Likewise.
2895 (validate_replace_src): Use note_uses.
2896 * rtl.h (note_uses): Declare.
2897 * rtlanal.c (note_uses): New.
2899 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2901 * reg-stack.c (stack_def): Make field reg unsigned.
2902 (remove_regno_note): Unsignetize parameter.
2904 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2906 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2907 shladd_operand() call.
2909 2001-02-16 Bruce Korb <bkorb@gnu.org>
2910 Rodney Brown <RodneyBrown@mynd.com>
2912 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2913 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2914 machine restrictions
2915 * fixinc/fixincl.x: regen
2917 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2919 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2921 (hash_scan_insn): Clean up calls to hash_scan_set.
2922 (compute_kill_rd): REGNO now unsigned.
2923 (try_replace_reg): Rework to use simplify_replace_rtx.
2924 (cprop_jump, cprop_cc0_jump): Likewise.
2925 (cprop_insn): Call find_reg_equal_equiv_note.
2926 Reflect changes to cprop_jump and cprop_cc0_jump.
2928 * recog.c (validate_replace_src): Replace in operands of
2929 ZERO_EXTRACT in SET_DEST.
2931 * cse.c (new_label_ref): New variable.
2932 (insert): Set it instead of recorded_label_ref.
2933 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2934 CODE_LABEL for this function, and not already in REG_LABEL note.
2936 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2938 * resource.c (mark_referenced_resources): Fix typo in introductory
2940 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2943 2001-02-16 Jason Merrill <jason@redhat.com>
2945 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2947 (gen_subprogram_die): Don't abort on seeing a second definition if
2948 the previous one was abstract. Don't replace an abstract instance
2949 in the lookup table.
2951 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2952 gen_abstract_function.
2953 * dwarf2out.h: Declare it.
2954 * toplev.c (note_outlining_of_inline_function): New fn.
2955 * toplev.h: Declare it.
2956 * integrate.c (output_inline_function): Call it.
2957 * c-decl.c (duplicate_decls): Call it when redefining an extern
2958 inline. Don't inline the new defn.
2960 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2962 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2964 * .gdbinit: Rename to gdbinit.in.
2965 * gdbinit.in: New file,
2966 * configure.in: Generate .gdbinit from gdbinit.in.
2967 * configure: Regenerated.
2968 * Makefile.in (distclean): Always remove .gdbinit.
2970 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2972 * objc/objc-act.c (start_class): Register implemented_classes with
2975 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2977 * cppfiles.c (_cpp_make_system_header): Generate a file
2980 2001-02-15 Jim Meyering <meyering@lucent.com>
2982 * Makefile.in (install-common): Don't depend on installdirs here.
2983 Instead, make each of the lang.install-common targets (e.g.,
2984 c++.install-common in cp/Make-lang.in) depend on it.
2985 (install-driver): Depend on installdirs.
2987 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2989 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2991 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2994 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2996 * invoke.texi (--param): Document.
2998 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3000 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3002 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3004 * i386.md (extendsfdf2_2): Fix constraints.
3006 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3008 * i386.md (fop_df_3 splitter): Fix operand number.
3010 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3012 * invoke.texi (-mreg-alloc): Nuke.
3013 * i386.c (ix86_reg_alloc_order, regs_allocated,
3014 order_regs_for_local_alloc): Nuke.
3015 (override_options): Kill reg_alloc code.
3016 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3017 (REG_ALLOC_ORDER): SSE goes before I387.
3018 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3019 (ix86_reg_alloc_order): Likewise.
3020 * i386-protos.h (ix86_reg_alloc_order): Kill.
3022 2001-02-14 Richard Henderson <rth@redhat.com>
3024 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3026 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3028 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3030 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3032 * i386-protos.h (ix86_memory_move_cost): Move offline.
3033 * i386.c (ix86_register_move_cost): Compute properly cost of
3034 SSE, MMX and i387 instructions.
3035 (*_cost): Add costs of SSE/MMX moves.
3036 (ix86_memory_move_cost): Move offline from ....; Likewise.
3037 * i386.h (MEMORY_MOVE_COST): .... here;
3038 (struct processor costs): Add new fields to represent costs
3041 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3043 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3044 move_cost together with Matt Kraai's fix.
3046 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3048 * Makefile.in (OBJS): Add params.o.
3050 2001-02-14 Richard Henderson <rth@redhat.com>
3051 DJ Delorie <dj@redhat.com>
3053 * jump.c (jump_optimize_1): When we delete a conditional jump
3054 preceeding a non-conditional jump to effectively the same place,
3055 make sure that the combined jump skips any clobber insns between
3058 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3060 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3062 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3064 * Makefile.in (toplev.o): Depend on params.h.
3065 (intergate.o): Likewise.
3066 (params.o): New target.
3067 * flags.h (inline_max_insns): Remove.
3068 * integrate.c: Include params.h.
3069 Use MAX_INLINE_INSNS instead of inline_max_insns.
3070 * params.c: New file.
3071 * params.h: Likewise.
3072 * params.def: Likewise.
3073 * toplev.c: Include params.h.
3074 (lang_independent_params): New variable.
3075 (decode_f_option): Use the param machinery instead of setting
3077 (independent_decode_option): Handle "--param name=value".
3078 (main): Register language-independent parameters.
3080 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3082 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3084 2001-02-14 Richard Henderson <rth@redhat.com>
3086 * regclass.c (init_reg_sets_1): Revert last two changes.
3088 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3090 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3091 (variable_size): Call put_pending_size.
3092 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3093 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3094 sizes list, put newly created SAVE_EXPR there as well.
3096 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3098 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3099 (errata_find_address_regs): load_group has only 2 entries.
3100 (errata_emit_nops): Likewise. shladd is not problematic.
3101 Clear last_group if nop was emitted.
3102 (fixup_errata): load_group has only 2 entries.
3105 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3107 * c-lex.c (lex_number): Only warn traditionally for U suffix
3108 outside system macros.
3109 * cppexp.c (parse_number): Similarly.
3110 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3111 * cppmacro.c (struct cpp_macro): New member node.
3112 (parse_args): Only warn about missing rest args if not
3114 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3115 (cpp_sys_objmacro_p): New.
3116 (_cpp_create_definition): Store the node with the macro defn.
3117 Remember if the macro is defined in a system header.
3119 2001-02-13 DJ Delorie <dj@redhat.com>
3121 * configure.in (check_languages): determine languages to check
3122 * Makefile.in (check-c++): alias for check-g++
3123 (check-f77): alias for check-g77
3124 (CHECK_TARGETS): depend on configured languages
3126 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3128 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3129 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3130 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3131 (sqrtextendsfdf2): Disable for SSE2.
3133 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3135 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3136 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3137 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3138 (sqrtextendsfdf2): Disable for SSE2.
3140 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3142 * i386.md (movsfcc_1): Support integer cmove instruction.
3143 (movdfcc_1): Likewise; new splitter.
3145 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3147 * i386.c (output_fp_compare): Support SSE.
3148 (prepare_fp_compare_args): SSE comparisons always support memory.
3149 * i386.h (TARGET_CMOVE): SSE imply cmove.
3150 * i386.md (cmp?f2): Enable for SSE too.
3151 (cmpfp_i*): Support SSE.
3153 (cmpfp_i_sse_only): New.
3154 (s*, b* fp expanters): Enable for SSE too.
3155 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3158 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3160 * regclass.c (init_reg_sets_1): Silence warning.
3162 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3164 * i386.md (sqrt?f2): Change to expander.
3165 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3167 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3169 * rtlanal.c (find_reg_equal_equiv_note): New function.
3170 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3171 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3172 * rtl.h: Add declarations for above functions.
3174 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3176 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3178 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3179 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3180 * flow.c (mark_regs_live_at_end): Likewise.
3181 (calculate_global_regs_live): Likewise.
3182 * gcse.c (compute_hash_table): Likewise.
3183 (compute_kill_rd): Likewise.
3184 * resource.c (mark_target_live_regs): Likewise.
3185 * rtl.h (INVALID_REGNUM): New macro.
3187 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3189 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3191 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3193 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3196 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3198 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3200 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3201 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3202 (fop_sf_1_sse, fop_df_1_sse): New patterns
3203 (fop_*): Disable float_extend and float patterns for SSE compilation.
3204 * i386.c (output_387_binary_op): Support SSE.
3206 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3208 * i386.md (dummy_extendsfdf2): Support SSE2
3209 (extendsfdf2): Enable if 80387 or SSE2.
3210 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3211 and no MIX_I387_SSE2
3212 (extendsfdf2_1_sse_only): New pattern.
3213 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3215 (truncdfsf2_1): Support SSE.
3216 (truncdfsf2_2): Support SSE.
3217 (truncdfsf2_2_1_sse): New pattern.
3218 (fixtruncsfsi2): Always use SSE if available.
3219 (fix_truncsfsi_sse): New pattern.
3220 (fix_truncdfsi_sse): New pattern.
3221 (floatsis?f2): Support SSE.
3222 (floatsidf2_i387): New pattern.
3223 (floatsidf2_sse): Likewise.
3225 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3227 * configure.in: Use "have_gnat" variable, not "gnat".
3228 * configure: Regenerated.
3230 * config/sparc/sparc.c (function_value): Treat all non-record
3231 aggregate types like used to treat UNION_TYPE.
3233 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3235 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3236 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3238 (MASK_MIX_SSE_I387): New.
3239 (TARGET_SSE): SSE2 imply SSE.
3240 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3241 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3242 (enum reg_class): Add new classes.
3243 (REG_CLASS_NAMES): Likewise.
3244 (REG_CLASS_CONTENTS): Likewise.
3245 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3246 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3247 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3248 (CLASS_MAX_NREGS): Use new macros.
3249 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3250 * i386.md (pushsf, movsf): Support SSE.
3251 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3252 splitters to use ANY_FP_REGNO_P.
3253 (movdf_nointeger, movdf_integer): Likewise.
3255 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3257 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3258 (try_combine): Use it.
3260 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3262 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3263 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3264 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3265 (REGISTER_MOVE_COST): Likewise.
3266 * i386-protos.h (ix86_secondary_memory_needed,
3267 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3268 * i386.c (ix86_secondary_memory_needed,
3269 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3271 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3273 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3274 (HARD_REGNO_MODE_OK): Move offline to ....
3275 * i386.c (ix86_hard_regno_mode_ok) ... here;
3276 refuse all incorrect modes.
3277 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3279 2001-02-13 Richard Henderson <rth@redhat.com>
3281 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3282 entire operator; replicate that and match_dup the operands.
3283 (cmp_ccx_arith_op_set): Likewise.
3284 (cmp_cc_arith_op_not_set): Likewise.
3285 (cmp_ccx_arith_op_not_set): Likewise.
3287 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3289 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3291 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3293 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3294 (TARGET_NO_BITFIELD_WORD): New macro.
3295 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3296 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3298 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3300 * cselib.c: New file, from simplify-rtx.c.
3301 * simplify-rtx.c: Remove cselib parts.
3302 * Makefile.in: Add cselib.o.
3304 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3306 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3307 (setup_incoming_varargs): Remove warning.
3309 * config/rs6000/rs6000.c (validate_condition_mode): When
3310 flag_fast_math, allow floating-point conditionals to be reversed.
3311 (rs6000_generate_compare): When flag_fast_math, don't generate
3312 cror operations for FP conditionals.
3314 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3316 (ASM_SPEC): Likewise.
3317 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3318 (CC1_SPEC): Likewise.
3319 (LINK_TARGET_SPEC): Likewise.
3320 (CPP_ENDIAN_SPEC): Likewise.
3321 * Makefile.in (check-consistency): New target.
3323 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3325 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3326 "return type defaults" warning for functions with return type
3328 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3329 function declarations by default rather than only when pedantic.
3331 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3333 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3336 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3338 * extend.texi (Deprecated): Deprecate new initializer lists.
3340 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3342 * mkdeps.c (deps_add_default_target): Robustify. Add
3343 basename component only.
3344 * cpp.texi (-M): Describe how default target is generated.
3345 * invoke.texi (-M): Likewise.
3347 2001-02-12 Kazu Hirata <kazu@hxi.com>
3349 * toplev.c (push_float_handler): Remove.
3350 (pop_float_handler): Remove.
3351 * toplev.h: Remove prototypes for the above functions.
3353 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3355 * c-common.c (constant_fits_type_p): New function.
3356 (convert_and_check): Use it.
3358 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3360 * Makefile.in (GXX_ABI_FLAG): Don't define.
3361 * configure.in (--enable-new-gxx-abi): Remove option.
3362 * config.in: Regenerated.
3363 * configure: Likewise.
3365 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3367 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3369 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3370 regular basic block, and arrange for all edges into it to switch
3373 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3375 * Makefile.in (distclean): Do not remove .gdbinit.
3377 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3379 * Makefile.in (gcc.o): Fix typos.
3380 (protize.o): Likewise.
3381 (unprotoize.o): Likewise.
3383 2001-02-11 Richard Henderson <rth@redhat.com>
3385 * tree.c (build1): Check for null operand in last change.
3387 2001-02-11 Richard Henderson <rth@redhat.com>
3389 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3390 (fold): Don't assume a constant isn't foldable.
3391 * tree.c (build): Set TREE_CONSTANT for an expression with no
3392 side-effects and constant operands.
3395 2001-02-10 Richard Henderson <rth@redhat.com>
3397 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3399 2001-02-10 Anthony Green <green@redhat.com>
3401 * cpp.texi (Standard Predefined): Add documentation for
3404 * c-common.c (combine_strings): Improve warning message.
3406 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3408 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3410 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3412 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3414 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3417 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3419 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3422 2001-02-09 Nick Clifton <nickc@redhat.com>
3424 * config/arm/arm.md: Change output contraint on post inc
3425 load/store multiple patterns to be a read/write contraint.
3427 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3429 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3430 .o files when using the -M options.
3432 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3433 David Edelsohn <edelsohn@gnu.org>
3435 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3436 handle DImode constants. Use one TOC entry for SImode and smaller
3437 constants, aligned properly.
3439 2001-02-08 Jason Merrill <jason@redhat.com>
3441 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3442 about the SP adjustment for saving the static chain pointer.
3443 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3444 offset when setting a temporary CFA register.
3446 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3448 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3449 powerpc-*-chorusos* .
3450 * config/rs6000/chorus.h : New file.
3451 * config/i386/chorus.h : New file.
3452 * config/sparc/chorus.h : New file.
3453 * config/sparc/t-chorus-elf : New file.
3455 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3457 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3458 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3459 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3460 (__WCHAR_TYPE__): Correct macro name.
3462 2001-02-08 Richard Henderson <rth@redhat.com>
3464 * config/i386/i386.c (ix86_frame_pointer_required): New.
3465 (ix86_setup_frame_addresses): New.
3466 (struct machine_funciton): Add accesses_prev_frame.
3467 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3468 ix86_frame_pointer_required.
3469 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3470 (SETUP_FRAME_ADDRESSES): New.
3471 * config/i386/i386-protos.h: Update.
3472 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3473 from FRAME_POINTER_REQUIRED.
3474 * config/i386/svr3gas.h: Likewise.
3475 * config/i386/sysv3.h: Likewise.
3476 * config/i386/v3gas.h: Likewise.
3478 2001-02-08 Richard Henderson <rth@redhat.com>
3480 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3481 calculation of the number of integer registers required.
3482 (function_arg_record_value): Likewise.
3484 2001-02-08 Jason Merrill <jason@redhat.com>
3486 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3487 two. Print file and line with "confused" message.
3489 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3491 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3493 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3495 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3497 * final.c (cleanup_subreg_operands): The address of a MEM can
3500 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3503 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3505 * gcc.texi (Incompatibilities): Update documentation of
3506 preprocessing numbers.
3508 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3510 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3512 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3514 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3516 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3517 * gcc.c (struct compiler): Add cpp_spec field.
3518 (input_file_compiler): New variable.
3519 (do_spec_1): Allow a particular compiler to handle `%C'
3521 (main): Store the current compiler in input_file_compiler.
3522 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3524 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3526 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3527 * cppinit.c (cpp_create_reader): Initialize them.
3528 (append_include_chain): cxx_aware arg might be unused.
3529 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3530 keywords and give them their phase 7 meaning. Pedwarn about
3531 this unless '__bool_true_false_are_defined' is defined.
3533 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3535 * lcm.c (optimize_mode_switching): Emit mode_set before the
3536 JUMP_INSN of an abnormal edge.
3538 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3540 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3541 a scheduling barrier at the end.
3543 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3545 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3547 * config/sh/sh.md (reload_outsf): Removed.
3548 (movsf_ie): Introduce constraints for FPUL loads and stores.
3549 (reload_insf): Broaden the output constraint.
3551 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3553 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3554 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3556 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3558 * final.c: Revert my previous changes.
3559 * output.h: Make profile_label_no extern.
3560 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3561 for generating label.
3563 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3565 * config/i386/djgpp.h: Add comments about standard paths.
3566 (MD_EXEC_PREFIX): Undefine before defining.
3567 (MD_STARTFILE_PREFIX): New.
3569 2001-01-30 Bruce Korb <bkorb@gnu.org>
3571 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3572 (load_file): do not rely on load_file_data() to close file pointer
3573 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3574 fixinc/inclhack.def(irix_limits_const): add test_text
3576 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3578 * cppexp.c (parse_defined): Improve diagnostics for invalid
3581 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3583 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3585 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3587 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3588 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3589 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3590 (rs6000_output_symbol_ref): New function.
3591 (output_toc): Use VTABLE_NAME_P.
3593 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3595 * print-tree.c (print_node, case PARM_DECL):
3596 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3598 * stor-layout.c (reference_types_internal): New variable.
3599 (internal_reference_types): New function.
3600 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3601 * tree.h (internal_reference_types): New declaration.
3603 * cse.c (find_best_addr): Fix typo in computing cost.
3605 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3607 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3608 and this is the sum of a pointer and a constant, we know the result
3610 (num_sign_bit_copies, case PLUS): Likewise.
3611 * explow.c (convert_memory_address): Remove opposite SUBREG.
3612 * function.c (instantiate_new_reg): New function (from common code).
3613 (instantiate_virtual_regs_1): Call it.
3614 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3615 if pointers sign- or zero-extend.
3616 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3617 If pointers extend unsigned, use inside of SUBREG.
3618 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3620 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3622 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3623 subdir of gcc_gxx_include_dir.
3624 (gcc_gxx_target_include_dir): Remove.
3626 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3628 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3629 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3630 a high-level description.
3632 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3634 * final.c: Move the declaration of profile_label_no to ...
3635 * output.h: ... here.
3636 * function.c (expand_function_start): Call PROFILE_HOOK.
3637 * config/rs6000/aix.h: Define PROFILE_HOOK.
3638 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3639 * config/rs6000/rs6000.c (output_profile_hook): Define.
3640 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3641 output_profile_hook.
3642 tm.texi : Explain new macro PROFILE_HOOK.
3644 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3646 * extend.texi (Extended Asm): Do not say that semicolon is always
3647 a valid line-breaking character for GNU assemblers. Use
3648 newline-tab as the most commonly supported syntax. Use
3649 newline-tab rather than semicolon in multi-insn examples.
3651 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3653 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3655 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3656 David Edelsohn <edelsohn@gnu.org>
3658 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3659 code for AIX, even without flag_pic.
3661 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3663 * c-typeck.c (common_type): push and pop binding level around
3664 calling common_type on function parameters.
3666 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3668 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3670 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3672 * config/mips/mips.c (override_options): Fix typo in last change.
3673 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3674 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3676 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3678 * invoke.texi (-fdump-class-layout): Document.
3679 (-fdump-translation-unit): Use `=' as filename separator.
3681 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3683 * Makefile.in (s-mlib): Don't build multilibs if
3685 (DRIVER_DEFINES): Adjust accordingly.
3687 (protoize.o): Likewise.
3688 (unprotoize.o): Likewise.
3689 * configure.in: Recognize --enable-multilib.
3691 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3693 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3695 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3696 * configure.in: Remove --enable-libstdcxx_v3 support.
3697 * configure: Regenerated.
3699 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3701 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3702 Call abort instead of fatal.
3703 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3704 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3705 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3706 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3707 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3708 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3710 * diagnostic.h (set_internal_error_function): Renamed.
3711 * toplev.h (internal_error): Renamed from fatal.
3712 (pfatal_with_name): Deleted.
3713 (fatal_io_error): Now has printf-style arguments.
3714 * diagnostic.c (pfatal_with_name): Deleted.
3715 (fatal_io_error): Rework to have args in printf-style.
3716 (set_internal_error_function): Renamed from set_fatal_function.
3717 (internal_error): Renamed from fatal.
3718 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3719 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3720 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3721 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3722 * flow.c (verify_flow_info): Likewise.
3723 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3724 * config/mips/mips.c (save_restore_insns): Likewise.
3726 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3727 * flow.c (verify_flow_info): Likewise.
3728 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3729 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3730 (avr_normalize_condition): Likewise.
3731 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3732 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3733 (limit_reload_class, double_reg_to_memory): Likewise.
3734 (print_operand_address, emit_1600_code_shift): Likewise.
3735 (gen_tst_reg, gen_compare_reg): Likewise.
3736 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3737 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3739 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3741 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3742 * objc/objc-act.c (build_ivar_chain): Likewise.
3743 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3745 * graph.c (clean_graph_dump_file): Likewise.
3746 * profile.c (init_branch_prob): Likewise.
3747 * objc/objc-act.c (objc_init): Likewise.
3749 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3750 * config/avr/avr.c (avr_override_options): Likewise.
3751 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3752 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3753 * config/h8300/h8300.c (h8300_init_once): Likewise.
3754 * config/mips/mips.c (override_options): Likewise.
3755 * config/i386/i386.c (override_options): Likewise, rework.
3756 * config/m68k/m68k.c (override_options): Likewise.
3758 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3760 * config/mips/mips.c (print_operand): Likewise.
3761 * hash.c (hash_allocate): Don't check for failure returns from
3762 obstack functions that can't fail.
3763 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3764 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3765 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3766 (get_object_reference): Likewise.
3768 2001-02-04 Nick Clifton <nickc@redhat.com>
3770 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3771 StrongARM1110, 10TDMI, and 1020T.
3773 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3775 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3777 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3779 * config/sh/sh.md (movdf load split): Pass register number to
3780 FP_OR_XD_REGISTER_P.
3782 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3784 * cppinit.c (BC): New macro.
3785 (builtin_array): Add __GXX_WEAK__.
3786 * cpplib.h (builtin_type): Add BT_WEAK.
3787 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3788 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3789 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3791 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3793 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3795 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3797 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3798 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3800 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3802 * cpphash.h: Rename ALIGN _ALIGN.
3803 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3805 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3807 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3808 compilation environment.
3809 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3810 control over location of cygwin includes and libs.
3812 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3814 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3816 2001-02-02 lars brinkhoff <lars@nocrew.org>
3818 * md.texi (Standard Names): remove reference to spur.md.
3820 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3822 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3823 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3824 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3825 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3826 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3828 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3830 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3831 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3832 number before reload.
3833 (c4x_adjust_cost): Return zero before reload.
3834 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3835 split before reload.
3837 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3839 * c4x.c (c4x_hard_regno_rename_ok): New.
3840 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3841 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3843 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3845 * diagnostic.h: Add missing "extern" in all declarations.
3847 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3849 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3850 as for gcc_gxx_include_dir.
3852 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3854 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3856 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3858 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3859 label before alignment to be used as the braf base address.
3860 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3862 (casesi_jump_2): Require at least TARGET_SH2.
3864 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3865 truncation to 32-bit doubles on -m3e and -m4-single-only.
3867 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3869 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3870 the default when building a shared object.
3871 (init_spec): Use it.
3872 * testsuite/lib/g++.exp: Include the directory where libgcc
3873 is located to the LD_LIBRARY_PATH list.
3874 * invoke.texi (-shared-libgcc): Document the cases in which
3875 GCC defaults to using the shared libgcc.
3877 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3879 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3880 unsigned is wide enough.
3882 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3883 (si_to_float): Likewise.
3884 (float_to_si, float_to_usi): Use BITS_PER_SI.
3886 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3888 * dwarf2out.c: Added explanation of abbreviations.
3889 (def_cfa_1): Added comments listing DWARF2 instructions.
3890 (cfa_temp_reg): Removed in favor of cfa_temp.
3891 (cfa_temp_value): Removed in favor of cfa_temp.
3892 (cfa_temp): New global variable.
3893 (dwarf2out_frame_debug_expr): Added extensive introductory
3894 comments explaining the function's transformations. Revised to
3895 use cfa_temp. Added some rtx checking. Generalize IOR case.
3896 (dwarf2out_frame_debug): Revised to use cfa_temp.
3897 (output_aranges): Cast as "unsigned" to avoid warning.
3898 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3899 explain which instructions must be marked.
3901 2001-02-01 Richard Henderson <rth@redhat.com>
3903 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3906 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3908 * config/sh/crt1.asm (main_k): Modified so that start calls
3909 ___setup_argv_and_call_main.
3911 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3913 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3914 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3915 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3916 * cppmacro.c (builtin_macro): Set builtin flags here.
3917 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3918 (replace_args): Clarify intent.
3919 (cpp_get_token): Macro expansion tokens get the saved flags.
3921 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3924 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3926 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3929 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3931 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3932 returns Pmode pseudo, but we need ptr_mode.
3933 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3934 Remove bogus conversions; use HOST_WIDE_INT for size.
3935 Don't use TARGET if wrong mode.
3937 * config/i386/i386.c (ix86_compute_frame_size): Allow
3938 stack_alignment_needed to be non-default even if size is zero.
3940 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3942 * (hppa_init_pic_save): Emit the pic offset table
3943 reg save after last_parm_insn.
3944 * pa.c (hppa_init_pic_save): New function.
3945 * pa.h (hppa_init_pic_save): Declare.
3946 * pa.md (call, call_value, sibcall, sibcall_value): Use
3947 the above instead of duplicated code.
3949 * pa.c (hppa_encode_label): Correct size of alloca buffer
3950 so we don't overrun it. Correct leading `*' case.
3951 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3952 need to handle `*@'.
3953 (FUNCTION_NAME_P): Likewise.
3955 2001-01-31 Richard Henderson <rth@redhat.com>
3957 * config.gcc (alpha-osf5): Use float-i128.h.
3959 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3960 * config/float-i32.h: Likewise.
3961 * config/float-i64.h: Likewise.
3962 * config/float-sh.h: Likewise.
3963 * config/float-sparc.h: Likewise.
3965 2001-01-31 DJ Delorie <dj@redhat.com>
3967 * expmed.c (extract_bit_field): allow non-integral modes if we
3968 want to extract a whole register from itself.
3970 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3972 * c-typeck.c (set_init_index): If first is equal to last, assume as
3973 if it was not a range at all.
3975 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3977 * config/fp-bit.c: Include tm.h.
3978 (float_to_si): Don't assume SImode is 32-bits wide.
3979 (float_to_usi): Likewise.
3981 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3983 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3985 (typename): Call pending_xref_error after parsing typed_typespecs.
3986 * c-decl.c (lookup_tag): Give error immediately rather than
3987 leaving it pending if the tag of the wrong type is in the same
3989 (xref_tag): Don't pedwarn for forward declarations of enum types
3991 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3994 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3996 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3998 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4000 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4001 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4003 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4005 * cpphash.h (struct cpp_reader): New saved_flags.
4006 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4007 to avoid a paste after a pasted token.
4009 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4011 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4012 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4013 Wtype_MIN instead of LONG_MIN.
4015 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4017 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4019 * fixinc/fixincl.x: Regenerated.
4020 * fixinc/inclhack.def (irix_limits_const): New definition to
4021 convert "const" to "__const" in limits.h.
4023 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4025 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4027 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4029 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4030 when register dies in the insn.
4032 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4034 * diagnostic.c (fatal): Fix word wrap.
4036 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4038 * combine.c (try_combine): Fix SUBREG setting for
4039 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4041 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4043 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4046 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4048 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4050 * toplev.c (decode_W_option): Update warn_larger_than
4051 unconditionally for each processed switch.
4053 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4055 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4057 (hppa_expand_prologue): Delete code to save pic offset table register
4058 in the function prologue.
4059 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4060 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4061 table register at the beginning of the function after the prologue.
4063 2001-01-29 lars brinkhoff <lars@nocrew.org>
4065 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4067 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4068 Jeff Law <law@redhat.com>
4070 * pa.md (return): Revise comment for trivial return.
4071 (return_internal): Non-trivial return pattern for non-PIC code.
4072 (return_internal_pic): Non-trivial return pattern for PIC code.
4073 It uses the PIC register to ensure it is restored after
4075 (epilogue): Generate appropriate return for PIC and non-PIC code.
4077 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4079 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4081 2001-01-29 DJ Delorie <dj@redhat.com>
4083 * combine.c (if_then_else_cond): Pass the correct mode to
4084 operand_subword() for constants.
4086 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4088 * config/i386/cygwin.h: Add w32api to include search. Search different
4089 directories in a cross-build environment.
4091 2001-11-29 Tim Josling <tej@melbpc.org.au>
4093 * tree.h (TYPE_STUB_DECL): Add documentation.
4095 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4097 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4098 (sdbout_field_types): Likwise. Fix use of host_integerp.
4100 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4102 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4105 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4107 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4108 to use flag_gnu_linker.
4110 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4112 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4113 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4115 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4117 * tree.c, tree.h (build_parse_node): Remove; was identical to
4119 * c-lang.c (start_cdtor), objc/objc-act.c
4120 (build_module_descriptor): Use build_nt instead of
4123 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4125 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4126 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4127 not have any upper bits set.
4129 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4131 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4133 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4135 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4137 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4139 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4140 (integer_minus_one_node): Define.
4142 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4144 * Makefile.in (bootstrap2-lean): Fix typo.
4146 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4148 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4149 : Don't set fe_value.
4150 * cpplib.h (AVOID_LPASTE): New flag.
4151 (struct cpp_hashnode): Remove fe_value.
4152 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4153 * cppmacro.c (builtin_macro): Don't set flags here.
4154 (replace_args): Set AVOID_LPASTE flag on first token of an
4155 argument, and the token following it.
4156 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4157 macro expansion, and on the token following it. Do it for
4159 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4161 2001-01-27 Richard Henderson <rth@redhat.com>
4163 * config/alpha/t-ieee: Remove multilibbing.
4164 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4166 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4168 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4170 * Makefile.in: Remove all dependencies on defaults.h.
4171 * builtins.c: Don't include defaults.h.
4172 * c-common.c: Likewise.
4173 * c-decl.c: Likewise.
4174 * c-pragma.c: Likewise.
4175 * c-typeck.c: Likewise.
4176 * combine.c: Likewise.
4178 * frame-ia64.c: Likewise.
4179 * cppexp.c: Likewise.
4180 * crtstuff.c: Likewise.
4181 * dbxout.c: Likewise.
4182 * dwarf2out.c: Likewise.
4183 * dwarfout.c: Likewise.
4184 * emit-rtl.c: Likewise.
4185 * except.c: Likewise.
4187 * final.c: Likewise.
4188 * frame-dwarf2.c: Likewise.
4189 * libgcc2.c: Likewise.
4190 * optabs.c: Likewise.
4191 * profile.c: Likewise.
4192 * sdbout.c: Likewise.
4193 * toplev.c: Likewise.
4194 * tradcif.y: Likewise.
4196 * varasm.c: Likewise.
4198 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4200 * builtins.c (expand_builtin_fputs): Use size_one_node when
4201 transforming into fwrite.
4203 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4205 * extend.texi (Attribute Syntax): New section.
4207 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4209 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4210 they didn't need fixing.
4212 2001-01-27 Janis Johnson <janis@us.ibm.com>
4214 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4216 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4217 to remove macro definitions that are duplicated from elfos.h.
4219 2001-01-27 Richard Henderson <rth@redhat.com>
4221 * config/i386/sco5gas.h: Move ...
4222 * config/usegas.h: ... here.
4223 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4225 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4227 * c-typeck.c (struct constructor_stack): Add range_stack member.
4228 (really_start_incremental_init): Clear it.
4229 (push_init_level): Save constructor_range_stack and clear it if
4230 pushing explicit braces.
4231 (pop_init_level): abort if constructor_range_stack is non-zero at
4232 explicit closing brace. Restore saved constructor_range_stack if
4235 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4237 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4238 into register was forced into memory.
4240 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4242 * Makefile.in: Remove uses of + before $(MAKE).
4244 2001-01-26 Richard Henderson <rth@redhat.com>
4246 * stmt.c (cost_table): Remove.
4247 (COST_TABLE, cost_table_initialized): New.
4248 (estimate_case_costs): Use the later instead of the former.
4249 (balance_case_nodes): Likewise.
4251 2001-01-26 Richard Henderson <rth@redhat.com>
4253 * alias.c (objects_must_conflict_p): Read-only slots may not
4254 conflict despite having the same type.
4256 2001-01-27 Michael Hayes <mhayes@redhat.com>
4258 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4260 (check_ext_dependant_givs): Initialise u_start_val and
4262 (load_mems): Make last_max_reg unsigned.
4263 (try_swap_copy_prop): Use INSN_P and initialise set.
4265 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4267 * README.AVR : Removed.
4269 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4271 * pa-64.h (text_section): Remove declaration.
4273 * pa.md (return_internal): Remove mode on PIC register use.
4275 2001-01-25 lars brinkhoff <lars@nocrew.org>
4277 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4278 ASM_CLOSE_PAREN): fix typos.
4280 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4282 * acconfig.h: Define `const' to the empty string if neither
4283 __STDC__ nor __cplusplus is defined.
4284 * config.in: Regenerated.
4286 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4288 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4289 * collect2.c (main): Delete importf. Add ".obj" file extension.
4290 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4291 (aix_std_libs): Add additional AIX libraries to skip.
4292 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4293 * config/rs6000/aix51.h: New file.
4295 2001-01-25 Michael Hayes <mhayes@redhat.com>
4297 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4298 (loop_insn_emit_before): No longer static.
4299 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4300 (loop_givs_rescan, load_mems): Likewise.
4301 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4302 (maybe_eliminate_biv_1):
4303 (move_movables): Replace emit_call_insn_before with
4304 loop_call_insn_hoist.
4305 * loop.h (loop_insn_emit_before): Add.
4306 * unroll.c (copy_loop_body): Replace emit_insn_before with
4307 loop_insn_emit_before.
4309 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4311 * diagnostic.c (fatal): Request preprocessed source.
4313 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4315 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4316 olddecl has argument types and newdecl has none, use the argument
4319 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4321 * dwarf2out.c (prefix_of): New function. Determine longest common
4322 prefix of the two arguments. The units are whole path components.
4323 (output_file_names): When adding a new directory find the one entry
4324 with the longest common prefix already in the list. Artificially
4325 generate entry if there is none for this prefix.
4326 Fix test to check whether the zeroth directory entry is used.
4328 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4330 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4331 Changed all callers. Take it into account when deciding if a
4332 previously loaded value matches.
4334 2001-01-24 Richard Henderson <rth@redhat.com>
4336 * reload.c (find_reloads_subreg_address): Fail the substitution
4337 if the resulting address is insufficiently aligned.
4339 2001-01-24 DJ Delorie <dj@redhat.com>
4341 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4342 check the original operand's mode also.
4343 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4345 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4347 * c-parse.in (cast_expr): Move compound literals from here ...
4348 (primary): ... to here. Use standard terminology "compound
4349 literal" instead of "constructor expression".
4351 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4353 * gcc.1, cpp.1: Regenerate.
4355 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4357 * calls.c (emit_library_call_value_1): Memory slot for
4358 pass-by-reference argument should have the mode of the argument,
4359 not of the pointer to it.
4361 2001-01-24 Tom Tromey <tromey@redhat.com>
4363 * gcc.texi (G++ and GCC): Mention gcj manual.
4364 (Standards): Link to section of manual mentioning gcj/Java
4367 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4369 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4370 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4371 * tradcpp.c (main): Add -imacros or -include'd dependencies
4373 * cpp.texi (-M, -MM): Document -M -include behaviour.
4375 2001-01-24 Roger Collins <roger@ProProject.com>
4377 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4379 2001-01-24 Will Cohen <wcohen@redhat.com>
4381 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4382 whether registers are 32 bits or 64 bits in size.
4384 2001-01-24 Ben Elliston <bje@redhat.com>
4386 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4388 2001-01-24 Richard Henderson <rth@redhat.com>
4390 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4391 (builtin_longjmp): Use it instead of emit_indirect_jump.
4393 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4395 * bb-reorder.c (make_reorder_chain_1): Handle case where
4396 jump edge goes to the same block as the fallthru edge.
4398 2001-01-23 Jim Wilson <wilson@redhat.com>
4400 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4401 * frame.h (__ia64_personality_v1): Add prototype.
4402 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4403 prototype form. Add void * cast to first argument to personality
4405 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4406 (asctoe113): Likewise.
4407 * config/ia64/frame-ia64.c: Include eh-common.h.
4408 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4410 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4412 (itanium_split_issue): Add prototype.
4413 (gen_nop_type): Ifdef out.
4414 (find_best_packet): Initialize best_packet.
4415 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4417 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4418 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4419 (flushrs): Add explicit stop bit at end.
4420 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4423 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4425 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4427 * libgcc2.c (__terminate_func): Make variable static.
4428 (__terminate_set_func): New function to set __terminate_func.
4429 * libgcc2.h (__terminate_func_ptr): New typedef.
4430 (__terminate_set_func): New function.
4432 2001-01-23 Richard Henderson <rth@redhat.com>
4434 * flow.c (init_propagate_block_info): Don't consider unchanging
4435 memories for dead frame store elimination.
4437 2001-01-23 Richard Henderson <rth@redhat.com>
4439 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4440 * defaults.h: ... here.
4442 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4444 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4446 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4448 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4450 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4452 * rs6000.h (rs6000_return_addr): Move prototype from here...
4453 * rs6000-protos.h (rs6000_return_addr): ...to here.
4454 (rs6000_init_expanders): Delete prototype.
4456 2001-01-23 Nick Clifton <nickc@redhat.com>
4458 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4459 (Spec Files): Document %B and %j and %. and %v3 and %M and
4460 %{S*&T} spec switches.
4462 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4464 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4466 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4467 Neil Booth <neil@daikokuya.demon.co.uk>
4469 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4470 Have -Werror make pedantic warnings errors, like the
4473 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4475 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4477 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4479 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4480 * integrate.c (expand_inline_function): Initialize them.
4481 (subst_constants): If changing COMPARE so that both its arguments
4482 will be VOIDmode and the comparison mode will be lost, note
4483 compare_mode. Use the recorded compare_mode to optimize
4486 2001-01-23 Jason Merrill <jason@redhat.com>
4488 * dwarf2out.c (new_die): Use xcalloc.
4489 (output_die): Abort rather than emit a local reference to offset 0.
4491 2001-01-17 Andrew Haley <aph@redhat.com>
4493 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4494 of a saved register; return NULL instead.
4495 (copy_reg): Take a pointer to a source register rather than a
4497 (next_stack_level): Remember the address in the stack frame of all
4499 Use the saved register pointer array as the source of the CFA.
4500 (throw_helper): Rewrite. Unwind once rather than twice and keep
4501 track of saved registers as we go.
4503 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4505 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4506 * c4x.c (c4x_legitimize_reload_address): Remove.
4507 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4508 reload address for ldp(k) insn.
4510 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4512 * pa.md (return_internal): Add a USE of the PIC register to ensure
4513 it is restored after each call.
4514 (return expander): Corresponding changes.
4516 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4518 * rs6000.h (INIT_EXPANDERS): Delete.
4519 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4520 * rs6000.c (rs6000_override_options): Call *_machine_status from
4522 (rs6000_init_expanders): ...instead of here. Delete.
4523 (rs6000_mark_machine_status): New function.
4524 (rs6000_init_machine_status): Use xcalloc.
4525 (rs6000_return_addr): Generate RTX for the return address.
4526 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4527 (rs6000_stack_info): Use it.
4529 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4531 * gthr-win32.h: Include errno.h to get a declaration for
4532 EINVAL and _mingw.h if the target is mingw32.
4534 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4536 * cpp.texi: Correct typos.
4538 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4540 * explow.c (probe_stack_range): Ensure value passed to
4541 stack_check_libfunc is ptr_mode, not Pmode.
4543 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4545 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4546 case, don't use operand_subword to calculate a SUBREG that is
4549 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4551 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4553 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4554 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4555 valid. If not replace it by equivalent insns.
4557 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4559 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4560 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4561 (c4x_U_constraint, symbolic_address_operand): Likewise.
4562 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4564 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4565 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4566 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4567 anulling slot because of silicon bug.
4568 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4570 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4572 * cppexp.c (parse_charconst): Change `mask' type to agree
4575 2001-01-21 Richard Henderson <rth@redhat.com>
4577 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4578 pic_label_name in a linkonce section.
4580 2001-01-17 Philipp Thomas <pthomas@suse.de>
4582 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4584 * configure: Regenerate.
4586 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4588 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4589 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4591 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4593 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4594 If REVERSE nonzero then condition code in X must be reversed.
4595 (encode_section_info): Optimise if/else.
4596 (avr_function_value): Fix formatting.
4598 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4599 (difficult_branch): Likewise.
4600 (rvbranch): Likewise.
4601 (difficult_rvbranch): Likewise.
4603 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4605 * config/avr/libgcc.S: Fix comment.
4607 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4609 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4611 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4613 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4615 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4617 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4618 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4619 * configure, config.in: Regenerate.
4620 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4621 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4622 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4623 (doprint.o): New rule.
4625 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4627 * c-typeck.c (digest_init): Handle boolean types as scalars.
4629 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4631 * stmt.c (expand_return): Don't return anything if size is zero.
4632 Delete redundant assignment to BYTES.
4633 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4635 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4637 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4638 the same as the default library function names.
4639 * config/avr/avr.md: Document special characters after '%'.
4640 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4641 knowing which of the call-used registers are really clobbered.
4642 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4643 New. Both quotient and remainder from one libgcc.S call.
4644 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4645 clobber as few registers as possible.
4646 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4648 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4650 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4651 context of the top of the stack.
4653 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4655 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4656 (fixup_var_refs_insns): ...here.
4658 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4660 * function.c (fixup_var_refs_insns): Break up into
4661 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4662 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4663 [loop over hash table entries].
4664 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4665 fixup_var_refs_insns_with_hash, to match above changes.
4667 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4669 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4670 (libgcc.a): Likewise.
4671 (stmp-multilib): Likewise.
4672 (STAGE2_FLAGS_TO_PASS): Likewise.
4674 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4676 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4677 temporary if no_new_pseudos.
4679 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4681 * cppinternals.texi: Update.
4683 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4685 * arm.c (arm_init_builtins): Re-enable builtins.
4687 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4689 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4690 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4691 element to be null, and always expect an EXPR_LIST.
4692 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4693 * sched-deps.c (sched_analyze_1): Likewise.
4694 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4696 * regclass.c (max_set_parallel): New variable.
4697 (reg_scan): Take it into account in computation of max_parallel.
4698 (reg_scan_mark_refs, case SET): Compute it.
4700 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4702 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4703 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4705 2001-01-19 Jason Merrill <jason@redhat.com>
4707 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4708 for the abstract instance of an inline function.
4710 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4711 J"orn Rennecke <amylaar@redhat.com>
4713 * reload1.c (move2add_note_store): Treat all registers directly or
4714 indirectly derived from a base register as members of the same set
4716 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4717 of base register into account.
4719 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4721 * alias.c (find_base_value): Recognize TRUNCATE.
4722 (record_set): In PLUS case, invalidate if other summand is also a
4725 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4727 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4728 entry to be EXPR_LIST.
4729 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4730 be an EXPR_LIST (but not null, which other code doesn't allow).
4731 (note_stores): Properly handle PARALLEL in SET.
4732 Recursively call for top-level PARALLEL.
4733 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4734 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4736 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4738 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4740 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4741 not pfile->skipping (== 0).
4743 2001-01-17 Nick Clifton <nickc@redhat.com>
4745 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4748 2001-01-17 Jim Wilson <wilson@redhat.com>
4750 * invoke.texi (IA-64 options): Improve.
4752 2001-01-17 Tom Tromey <tromey@redhat.com>
4754 * invoke.texi (Optimize Options): Use `{}' to around @samp
4757 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4759 * invoke.texi (-fno-guess-branch-probability): New option.
4761 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4763 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4764 case of making new double-word constant.
4765 Revert last change: instead just test i3_subst_into_i2.
4767 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4769 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4770 Use q constraints instead of r.
4772 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4774 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4775 (machine_function): Define.
4776 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4777 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4778 pa_free_machine_status): New functions.
4779 (override_options): Set {init,mark,free}_machine_status to above.
4780 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4781 PIC_OFFSET_TABLE_REGNUM_SAVED.
4782 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4783 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4784 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4785 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4786 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4788 2001-01-15 DJ Delorie <dj@redhat.com>
4790 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4794 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4796 * flow.c (propagate_on_insn): Make trying to delete a prologue
4797 or epilogue insn an ICE, not a warning. Allow doing this if
4798 the current function returns with stack pointer depressed.
4800 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4801 I3 having more than one SET.
4803 2001-01-16 Jim Wilson <wilson@redhat.com>
4805 * invoke.texi: Document IA-64 options.
4807 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4808 (fixup_errata): Delete TARGET_A_STEP use.
4809 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4810 (TARGET_SWITCHES): Delete -ma-step option.
4811 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4812 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4813 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4814 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4815 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4816 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4818 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4819 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4820 cmovsi_internal): Delete ! TARGET_A_STEP check.
4822 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4824 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4825 possibility to report bugs via postal mail. Change a URL and
4826 merge in a nearly duplicate statement...
4827 (Bug Reporting): ...from here.
4828 (Service): Refer to the Bug Reporting section instead of
4830 (Contributing): Remove trivial explanations concerning snapshots.
4832 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4834 * cppmain.c (general_init): Don't use ANSI prototype.
4836 2001-01-16 Tom Tromey <tromey@redhat.com>
4838 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4840 2001-01-16 Richard Henderson <rth@redhat.com>
4842 * config/i386/i386.h: Fix comment typo.
4843 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4844 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4846 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4848 * gcc.c: Revert previous -fsyntax-only-related change; move
4851 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4853 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4854 inmode after checking GET_CODE (op).
4856 2001-01-16 Richard Henderson <rth@redhat.com>
4858 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4859 (MAX_MEM_SET_LIST_LEN): New.
4860 (propagate_one_insn): Update mem_set_list_len.
4861 (invalidate_mems_from_autoinc): Likewise.
4862 (invalidate_mems_from_set): Likewise.
4863 (mark_used_regs): Likewise.
4864 (init_propagate_block_info): Likewise. Stop collecting memories
4865 when we reach MAX_MEM_SET_LIST_LEN.
4866 (mark_set_1): Likewise.
4868 2001-01-16 Richard Henderson <rth@redhat.com>
4870 * unroll.c (precondition_loop_p): Fail if no iteration
4873 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4875 * gcc.c: When -fsyntax-only is given, do not complain about
4878 2001-01-15 Richard Henderson <rth@redhat.com>
4880 * config/i386/i386.c (asm_output_function_prefix): Remove.
4881 (ix86_asm_file_end): New.
4882 (load_pic_register): Generate pic_label_name into a
4883 staticly allocated buffer.
4884 * config/i386/i386-protos.h: Update.
4885 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4886 (ASM_FILE_END): New.
4887 * config/i386/i386afe.h: New file.
4888 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4889 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4890 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4891 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4892 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4893 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4894 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4896 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4898 * Makefile.in (install-man): Remove explicit dependency on
4901 * configure.in, configure: Revert previous patch requiring perl
4904 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4906 * toplev.c (flag_guess_branch_prob): New.
4907 (f_options): Add guess-branch-probability option.
4908 (rest_of_decl_compilation): Only estimate branch probability if
4910 (main): set flag_guess_branch_prob.
4912 * flags.h (flag_guess_branch_prob): New.
4914 2001-01-15 DJ Delorie <dj@redhat.com>
4916 * gcc.texi (Makefile): Add documentation for Makefile targets.
4918 2001-01-15 Philip Blundell <philb@gnu.org>
4920 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4922 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4923 (is_pic): Delete declaration.
4924 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4925 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4926 * config/arm/arm.md (builtin_setjmp_receiver): New.
4928 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4930 * arm.c (use_return_insn): Don't try to determine the function type
4931 until after reload has completed.
4932 (arm_output_epilogue): Don't adjust the sp value recovered from the
4934 (emit_multi_reg_push): Don't record dwarf information for the pc.
4935 * arm.md (eh_epilogue): The function type may have changed, so it
4936 needs to be recalculated.
4937 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4938 unwind tables on arm/netbsd.
4940 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4942 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4943 (negated_cbranchsi4): Likewise.
4945 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4947 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4948 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4949 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4950 pass -mapcs-* options to assembler.
4951 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4952 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4953 (ASM_SPEC): Call subtarget_extra_asm_spec.
4955 2001-01-15 Andreas Jaeger <aj@suse.de>
4957 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4959 (ix86_expand_builtin): Likewise.
4961 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4962 warning about comparison between signed and unsigned.
4964 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4966 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4968 2001-01-14 Ralf Baechle <ralf@gnu.org>
4970 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4971 SUBTARGET_CPP_SPEC apropriatly.
4973 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4975 * varasm.c (make_decl_rtl): Fix typo in last change.
4977 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4979 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4980 linker supports the init_priority C++ attribute.
4981 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4982 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4983 linker does not support init_priority C++ attribute.
4985 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4987 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4989 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4991 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4992 * cp/lex.c (finish_parse): Similarly.
4993 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4994 Return the number of errors encountered.
4995 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4996 * cppmain.c (main): Don't call cpp_destroy.
4998 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5000 * configure.in: Require at least perl 5.6.0 to regenerate
5002 * configure: Regenerate.
5004 2001-01-14 Richard Henderson <rth@redhat.com>
5006 * genrecog.c (DT_veclen_ge): New.
5007 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5008 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5009 (nodes_identical_1): Handle DT_veclen_ge.
5010 (write_cond, debug_decision_2): Likewise.
5012 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5014 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5016 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5018 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5020 * cppmain.c (do_preprocessing): New function; most of the old
5022 (main): Call it to do most of the work.
5023 (cb): Move from global scope to set_callbacks ().
5024 (setup_callbacks): Get the callback pointer.
5025 (general_init, printer_init): Clean up code and comments.
5027 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5029 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5032 2001-01-14 Kazu Hirata <kazu@hxi.com>
5034 * config/h8300/h8300.c (get_shift_alg): Update comments.
5036 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5038 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5039 (alloc_page, ggc_alloc): Add casts to remove warnings.
5041 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5043 * combine.c (simplify_comparison): Don't change `code' when
5044 can't reverse comparison.
5046 2001-01-14 Richard Henderson <rth@redhat.com>
5048 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5049 update all call sites. Return true for all non-label constants.
5051 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5053 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5055 (ix86_expand_branch): Update.
5056 (ix86_expand_setcc): Update to handle multiple test conditions.
5057 (expand_int_movcc): Likewise.
5058 (expand_fp_movcc): Likewise.
5059 * i386-protos.h (ix86_expand_compare): New.
5060 * i386.md (andqi_?_slp, orqi_?_slp): New.
5061 (conditional trap expander): Update call to ix86_expand_compare.
5063 2001-01-14 Richard Henderson <rth@redhat.com>
5065 * config/vax/vax.md: Use nonimmediate_operand instead of
5066 general_operand in destinations.
5068 * config/vax/vax.md (indirect_jump): Use register_operand.
5070 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5071 * config/vax/vax.md (call_pop): Turn into an expander.
5072 (call_value_pop): Likewise.
5073 (call, call_value): New.
5075 2001-01-14 Andreas Jaeger <aj@suse.de>
5077 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5079 (ix86_fp_compare_mode): Add unused attribute.
5080 (ix86_expand_fp_movcc): Remove unused variable.
5081 (ix86_expand_builtin): Make fcode unsigned.
5083 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5084 (expand_expr): Add cast to avoid signed warning.
5085 (store_field): Likewise.
5086 (store_constructor_field): Likewise.
5087 (store_constructor): Likewise.
5088 (store_expr): Likewise.
5089 (clear_storage): Likewise.
5090 (emit_group_store): Likewise.
5091 (emit_group_load): Likewise.
5093 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5095 * c-common.c: Move format checking code to ...
5096 * c-format.c: ... here. New file. Reorder some functions and
5098 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5100 * c-common.h (decl_handle_format_attribute,
5101 decl_handle_format_arg_attribute): Declare.
5102 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5103 (c-common.o): Adjust dependencies.
5104 (c-format.o): New list of dependencies.
5106 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5108 * unroll.c (loop_iterations): If we cannot prove iteration variable
5109 is set once in each iteration, punt.
5111 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5113 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5114 (*strlenhi): Remove clobber (which was buggy) of output address.
5116 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5118 * Makefile.in (generated-manpages): Add gcc.1
5119 ($(srcdir)/gcc.1): New target.
5120 (maintainer-clean): Delete $(srcdir)/gcc.1.
5121 * gcc.texi: Add macros @gccoptlist and @gol.
5122 * invoke.texi: Include option summary in manpage. Mark up option
5123 summary with @gccoptlist and @gol. Use @r in one place where
5125 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5126 * gcc.1: Generate from invoke.texi.
5128 2001-01-13 Richard Henderson <rth@redhat.com>
5130 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5131 (struct page_entry): Add group member.
5132 (struct page_group): New.
5133 (struct globals): Add page_groups member.
5134 (alloc_anon): Only define for using mmap; remove valloc call.
5135 (page_group_index): New.
5136 (set_page_group_in_use): New.
5137 (clear_page_group_in_use): New.
5138 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5139 (free_page, release_pages): Likewise.
5140 * configure.in (with-gc): Default to ggc-page always.
5142 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5144 * reload1.c (replace_pseudos_in_call_usage): Use
5145 reg_equiv_constant and reg_equiv_address, and don't try
5146 regno_reg_rtx first.
5148 2001-01-13 Richard Henderson <rth@redhat.com>
5150 * ggc-page.c (alloc_page): Round up allocation size to one page.
5151 Set e->order on extra pages.
5153 2001-01-13 Richard Henderson <rth@redhat.com>
5155 * genrecog.c (nodes_identical): Expand commentary.
5156 (write_switch): Watch out for identical nodes.
5158 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5160 * cppfiles.c (_cpp_fake_include): New function.
5161 * cpphash.h (_cpp_fake_include): New.
5162 * cpplib.c (do_line): Call _cpp_fake_include when entering
5163 header files in preprocessed input.
5164 * cppmain.c (cb_pragma_implementation): Remove handling.
5165 (setup_callbacks): Don't register pragmas.
5167 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5169 * extend.texi: Udate for CPP.
5171 2001-01-13 Andreas Jaeger <aj@suse.de>
5173 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5175 * regmove.c: Add prototype for replace_in_call_usage.
5177 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5179 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5180 struct cpp_chunk, struct htab, struct toklist,
5181 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5182 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5183 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5184 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5185 (struct macro_args): Delete.
5186 * cpphash.h: See above.
5188 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5190 * cppmain.c (struct printer): Remove no_line_dirs.
5192 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5193 : Use options rather than CPP_OPTION.
5194 (setup_callbacks): Use cb rather than pfile->cb.
5195 (main): No need to check for a buffer. Use cpp_errors.
5196 (printer_init): Don't set no_line_dirs.
5197 (maybe_print_line): Use options not no_line_dirs.
5198 (cb_file_change): Don't call print_line if -P.
5200 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5202 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5204 * c-parse.in (finish_parse): Use cpp_errors.
5205 (__yylex): Use return value of cpp_pop_buffer.
5206 * cp/lex.c (finish_parse): Use cpp_errors.
5207 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5209 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5211 * README.AVR: URLs corrected.
5213 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5215 * c-decl.c (start_function): Don't warn if old prototype is builtin
5216 that's not in C's namespace.
5217 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5218 (_bb): Add prototype for ctime.
5219 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5221 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5223 * i386.c (ix86_fp_comparison_arithmetics_cost,
5224 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5225 ix86_fp_comparison_cost): New functions.
5226 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5227 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5228 two-branch sequences; make static.
5229 (ix86_use_fcomi_compare): Do decision according to the costs.
5230 (split_fp_branch): New.
5231 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5232 * i386-protos.h (ix86_expand_fp_compare): Remove
5233 (ix86_split_fp_branch): Declare.
5235 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5236 and ix86_comparison_operator.
5238 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5241 * i386.c (put_condition_code): Output properly the unordered/ordered
5242 compares in fp case.
5243 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5245 * tm.texi (REVERSE_CONDITION): Document.
5246 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5247 in -ffast-math mode.
5248 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5250 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5252 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5254 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5257 * config/sh/sh.c (mova_p): Fix test for mova_const.
5259 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5261 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5262 cpp_get_options rather than dereferencing pfile and using
5264 * scan-decls.c (scan_decls): Use return value of
5265 cpp_pop_buffer rather than CPP_BUFFER.
5267 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5269 * cppinit.c (cpp_handle_option): help_only is now part of the
5270 cpp_options structure.
5271 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5272 cpp_set_callbacks): New functions.
5273 * cpplib.h (cpp_callbacks): Break out as a named structure.
5274 (cpp_options): Move help_only here from cpp_reader.
5275 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5276 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5277 cpp_set_callbacks): New prototypes.
5278 * cppmain.c (main): Update for help_only.
5280 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5282 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5283 Also build and remove and install and uninstall c-tree.info and
5285 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5286 ($(srcdir)/cppinternals.info): New target.
5287 * c-tree.texi: Change file name used when makeinfo used without -o
5288 from ir.info to c-tree.info. Add info directory entry.
5289 * cppinternals.texi: Add info directory entry.
5290 * .cvsignore: Update.
5292 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5294 * c-typeck.c (store_init_value): Don't require constant initializer
5295 elements with -pedantic -std=c99.
5296 (digest_init): Change error about non-constant initializer elements
5298 (constructor_range_end): Remove.
5299 (constructor_incremental, designator_depth,
5300 designator_errorneous): New variables.
5301 (struct constructor_stack): Remove range_end, add incremental.
5302 (struct constructor_range_stack, constructor_range_stack): New.
5303 (struct initializer_stack): Add constructor_range_stack.
5304 (finish_init): Set it.
5305 (start_init): Likewise. require_constant_elements for non-static
5306 trees only if not flag_isoc99.
5307 (really_start_incremental_init): Remove constructor_range_end, add
5308 constructor_incremental.
5309 (pop_init_level): Likewise.
5310 (push_init_level): Likewise. If implicit and the subobject had some
5311 value set already, preinitialize the level with it.
5312 Warn about missing braces only if not pushing due to designators.
5313 (set_designator, push_range_stack): New functions.
5314 (set_init_label): Use them.
5315 (set_init_index): Likewise. Remove constructor_range_end.
5316 Error if designator index is outside of array bounds.
5317 (add_pending_init): Compare values of purpose index trees, not the
5318 trees themselves. Allow overwriting of already initialized element.
5319 Issue a warning if it had side-effects.
5320 (set_nonincremental_init, set_nonincremental_init_from_string): New
5322 (pending_init_member): Rename to...
5323 (find_init_member): ...this function. Call set_nonincremental_init
5324 if necessary. Compare values of purpose index trees, not the trees
5325 themselves. Return the actual value, not just non-zero if something
5327 (output_init_element): Remove checks for duplicates.
5328 If field has zero size, only check the initializer for correctness.
5329 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5330 if constructor_incremental is zero. Change error about initializers
5331 not computable at load time into pedwarn.
5332 (output_pending_init_elements): Compare bit positions, not
5333 FIELD_DECLs to take into account zero-sized fields.
5334 (process_init_element): Use constructor_range_stack to fill all
5335 ranges in the designator lists from current level up.
5336 * extend.texi: Update documentation for labeled elements.
5338 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5340 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5341 to function usage for arguments passed by reference. Optimize
5342 callee-copied arguments.
5343 * regmove.c (replace_in_call_usage): New function.
5344 (fixup_match_1): Call it.
5345 * cse.c (cse_insn): Canonicalize registers in function usage.
5346 * reload1.c (replace_pseudos_in_call_usage): New function.
5349 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5352 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5354 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5357 2001-01-12 DJ Delorie <dj@redhat.com>
5359 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5360 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5363 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5365 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5366 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5367 -std options alongside references to -ansi. Update some
5368 documentation for C99.
5369 * cpp.1: Regenerate.
5371 2001-01-12 Andreas Jaeger <aj@suse.de>
5373 * haifa-sched.c (restore_line_notes): Remove argument block B
5375 * sched-ebb.c (schedule_ebb): Change caller.
5376 * sched-rgn.c (schedule_region): Likewise.
5377 * sched-int.h (restore_line_notes): Adjust prototype.
5379 * loop.h: Remove wrong declaration of doloop_condition_get.
5381 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5383 * extend.texi: Move C++-extension-related node from the C section
5384 into the C++ section.
5386 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5388 * extend.texi: Refer to an array of pointers to functions instead
5389 of one of functions.
5391 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5392 Jan Hubicka <jh@suse.cz>
5394 * combine.c (reversed_comparison): Fix typo in last patch.
5396 (combine_reversed_comparison_code): Make static to follow
5397 prototype declaration.
5399 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5401 * install.texi: Remove misplaced duplicate entry.
5403 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5405 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5407 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5409 * final.c: (leaf_function_p): Fix typo.
5411 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5413 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5414 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5416 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5417 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5418 mmap_anon, and valloc is available.
5419 * ggc-page.c: Restructure ifdef logic to match new autoconf
5420 spec. Don't throw away the test page in init_ggc.
5422 * configure, config.in: Regenerate.
5424 2001-01-12 Michael Hayes <mhayes@redhat.com>
5426 * loop.h (total_biv_increment): Constify iv_class pointer.
5427 (struct induction): Replace `mem_mode' with `mem' rtx.
5428 * unroll.c (total_biv_increment): Constify iv_class pointer.
5429 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5430 (find_mem_givs, combine_givs_p): Likewise.
5431 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5433 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5435 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5437 (__gthread_getspecific): Ditto.
5439 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5441 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5442 put_condition_code): Convert fp comparison codes to integer
5444 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5447 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5448 * i386-protos.h (no_comparison_operator): Kill.
5450 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5452 * combine.c (REVERSIBLE_CC_MODE): Remove.
5453 (reversible_comparison_p): Remove.
5454 (combine_reversed_comparison_code): New.
5455 (reversed_comparison): New.
5456 (combine_simplify_rtx): Use
5457 combine_reversed_comparison_code/reversed_comparison instead
5458 of reversible_comparison_p.
5459 (simplify_if_then_else): Likewise.
5460 (simplify_set): Likewise.
5461 (simplify_logical): Likewise.
5462 (if_then_else_cond): Likewise.
5463 (known_cond): Likewise.
5464 (simplify_comparison): Likewise.
5466 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5468 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5469 sizeof (int) is larger than sizeof(__word__).
5471 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5473 * cppinit.c (do_includes): Fix typo.
5475 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5477 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5478 in S_REGS does not occur because not all sources are possible
5479 when a S_REGS is a destination (sometimes needs a clobber).
5480 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5481 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5482 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5483 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5484 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5485 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5486 (lshrdi_const1, lshrsi3_const16): Likewise.
5487 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5488 (*movhi_68hc12, *movqi_68hc12): Likewise.
5489 (movstrictqi): Make sure reloading in D_REGS as a destination
5492 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5494 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5496 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5498 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5499 -D, -U and -A, and don't initialize the builtins.
5500 (do_includes): Error if -include or -imacros with -fpreprocessed.
5501 * cppmain.c (cb_define, cb_undef): Unconditionally process
5503 * tradcpp.c (main): Fix typo.
5505 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5507 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5508 (read_name_map): Use IS_ABSOLUTE_PATH.
5509 * tradcpp.c (get_filename): Likewise.
5511 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5513 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5514 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5515 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5516 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5517 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5518 (cmphi_z_used): Don't use '@' for the output.
5519 (tstqi_z_used): Likewise.
5520 (cmpqi_z_used): Likewise.
5521 (one_cmplsi2): Likewise.
5523 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5525 * config/sh/sh.c (barrier_align): Recognize branch around far
5526 branch and redundant insn.
5528 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5530 * invoke.texi: Restore documentation of the drivers' switches -MD
5533 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5535 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5537 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5538 check-objc//%): Support parallel testing of multilibs.
5539 (TESTSUITEDIR): Set to testsuite by default, but override for
5541 (check-gcc, check-g++, check-g77, check-objc): Enter
5544 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5546 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5547 * sched-deps.c (deps_may_trap_p): Likewise.
5548 * basic-block.h: Remove a comment.
5549 * flow.c (PROP_POSTRELOAD): Remove.
5550 (update_life_info): Don't add it to prop_flags.
5551 (mark_set_1): Lose the code that was enabled by it.
5553 2001-01-11 Michael Hayes <mhayes@redhat.com>
5555 * flow.c (flow_call_edges_add): New.
5556 * basic_block.h (flow_call_edges_add): New.
5558 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5560 * reload1.c (move2add_note_store): Update reg_set_luid even if
5561 base reg remains the same.
5563 2001-01-10 Nick Clifton <nickc@redhat.com>
5565 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5566 machine_function structure to zero.
5567 Add prototypes for machine_status functions.
5569 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5571 * c-common.h (CTI_VOID_LIST): Remove.
5572 (void_list_node): Likewise.
5573 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5574 (void_list_node): New macro.
5575 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5576 * config/i386/i386.c (ix86_init_builtins): Likewise.
5577 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5579 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5581 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5582 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5584 * tradcpp.c: Include mkdeps.h.
5585 (deps, print_deps_phony_targets, deps_append, output_deps,
5586 init_dependency_output, output_deps): New.
5587 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5588 deps_output): Delete.
5589 (print_deps_missing_files): Rename deps_missing_files.
5590 (inhibit_output): Make global.
5591 (main): Delete inhibit_output, deps_stream, deps_target.
5592 Use mkdeps functionality in the same way as cpplib. Remove
5593 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5594 -M and -MM. Remove old handling of deps via deps_out, and
5595 old reading of environment variables.
5596 (get_filename): Update to use deps_add_dep.
5598 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5600 * output.h (make_function_rtl): Remove prototype.
5601 (make_decl_rtl): Likewise.
5602 * varasm.c (make_function_rtl): Remove.
5603 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5604 than from a third parameter.
5605 * tree.h (make_decl_rtl): Remove last parameter.
5606 * c-decl.c (builtin_function): Remove last argument in call to
5607 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5608 (start_function): Likewise.
5609 * except.c (call_get_eh_context): Likewise.
5610 * expr.c (emit_block_move): Likewise.
5611 (clear_storage): Likewise.
5612 * profile.c (output_func_start_profiler): Likewise.
5613 * toplev.c (rest_of_decl_compilation): Likewise.
5614 * objc/objc-act.c (create_builtin_decl): Likewise.
5615 (synth_module_prologue): Likewise.
5616 (generate_static_reference): Likewise.
5617 (build_selector_reference_decl): Likewise.
5618 (build_class_reference_decl): Likewise.
5619 (build_objc_string_decl): Likewise.
5620 (build_protocol_reference): Likewise.
5622 2001-01-10 Richard Henderson <rth@redhat.com>
5624 * hwint.h: Revert yesterday's change.
5626 2001-01-10 Nick Clifton <nickc@redhat.com>
5628 * function.h (save_machine_status): Delete.
5629 (restore_machine_status): Delete.
5630 Amend comment describing {init|mark|free}_machine_status.
5632 * function.c (save_machine_status): Delete.
5633 (restore_machine_status): Delete.
5634 Amend comment describing {init|mark|free}_machine_status.
5635 (push_function_context_to): Remove invocation of
5636 save_machine_status.
5637 (pop_function_context_from): Remove invocation of
5638 restore_machine_status.
5640 * emit-rtl.c (init_emit_once): Amend comment describing
5641 {init|mark|free}_machine_status.
5643 * tm.texi (Per-Function Data): New node. Describe the
5644 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5647 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5649 * cppinit.c (OPT_g): Remove.
5650 (cpp_handle_option): Update for removed -g3.
5651 (print_help): Update.
5652 * cpplib.h (struct cpp_options): Remove debug_output.
5653 * cppmain.c (setup_callbacks, cb_define): Update.
5654 * gcc.c (cpp_options): Translate -g3 to -dD.
5656 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5658 * config/i960/i960.md: Change modifier to + on the zero_extract
5659 pattern after the (rotate -2 reg) canonicalization pattern.
5661 2001-01-10 Richard Henderson <rth@redhat.com>
5663 * config/alpha/alpha.c (alpha_free_machine_status): New.
5664 (override_options): Install it.
5665 (alpha_mark_machine_status): Verify machine non-null.
5666 * config/i386/i386.c (ix86_free_machine_status): New.
5667 (override_options): Install it.
5668 (ix86_init_machine_status): Use xcalloc.
5669 (ix86_mark_machine_status): Verify machine non-null.
5670 * config/ia64/ia64.c (ia64_free_machine_status): New.
5671 (ia64_override_options): Install it.
5672 (ia64_mark_machine_status): Verify machine non-null.
5674 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5676 * function.c (instantiate_virtual_regs): Instantiate virtual
5677 registers found in CALL_INSN_FUNCTION_USAGE.
5679 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5681 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5682 equivalent to -ansi in disabling -Di386.
5684 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5686 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5688 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5690 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5692 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5694 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5696 * invoke.texi: Document that -fcond-mismatch isn't supported for
5699 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5701 * gcc.texi: Define macro gcctabopt.
5702 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5703 @command, @env and @option in some places where appropriate. Use
5704 @gcctabopt where appropriate. Put URLs and email addresses inside
5707 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5709 * gcc.c (cpp_options): Set MD file name from output
5710 filename, if specified.
5711 (suffix_subst): New static variable.
5712 (do_spec): Clear it.
5713 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5715 (give_switch): Handle suffix_subst.
5717 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5719 * invoke.texi: Fix another typo.
5721 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5723 * invoke.texi: Fix typo.
5725 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5727 * c-lang.c (lang_hooks): Update.
5728 (lang_decode_option): Remove.
5729 (lang_init_options): Rename c_init_options.
5730 * toplev.c (main): Use lang_hooks for lang_init_options
5731 and lang_decode_option.
5732 * toplev.h (lang_hooks): Add 2 new hooks.
5733 * tree.h: Remove lang_init_options and lang_decode_option.
5734 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5735 * cp/decl2.c: Similarly.
5736 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5737 (lang_hooks): Update.
5738 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5740 (lang_init_options): Rename ffe_init_options.
5741 (lang_hooks): Update.
5742 (lang_decode_option): Remove.
5743 * java/lang.c (lang_init_options): Rename java_init_options.
5744 (lang_decode_option): Rename java_decode_option.
5745 (lang_hooks): Update.
5746 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5747 (lang_decode_option): Rename objc_decode_option.
5748 (lang_hooks): Update.
5750 2001-01-09 Nick Clifton <nickc@redhat.com>
5752 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5753 (d30v_return_addr_rtx): Delete.
5754 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5755 cfun->machine structure.
5756 (struct machine_function): Move to d30v.h
5757 (d30v_save_machine_status): Delete.
5758 (d30v_restore_machine_status): Delete.
5759 (d30v_init_machine_status): New Function.
5760 (d30v_mark_machine_status): New Function.
5761 (d30v_free_machine_status): New Function.
5762 (d30v_init_expanders): Use new functions.
5763 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5764 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5765 d30v_return_addr_rtx.
5767 * config/d30v/d30v.h (struct_machine): Move here.
5768 Add eh_epilogue_sp_ofs field.
5770 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5771 field in cfun->machine structure.
5773 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5775 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5776 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5777 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5779 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5781 * objc/lang-options.h: Remove bogus reference to
5784 2001-01-09 Kazu Hirata <kazu@hxi.com>
5786 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5789 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5791 * reload.c (find_reloads_address): Check for eliminable registers
5792 when substituting a constant expression for a pseudo.
5794 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5796 * c-common.c (enum format_type): Add format_type_error.
5797 (decode_format_type): New function.
5798 (decl_attributes): Use it.
5799 (format_kind_info): Adjust comment.
5801 2001-01-09 David O'Brien <obrien@BSDi.com>
5803 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5804 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5806 * config/i386/gnu.h: Don't include required platform specific .h files,
5807 tm.h will do it instead.
5808 * config/i386/i386elf.h: Likewise.
5809 * config/i386/linux.h: Likewise.
5810 * config/i386/moss.h: Likewise.
5811 * config/mips/gnu.h: Likewise.
5813 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5815 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5816 (rs6000-ibm-aix3.[01]*): Likewise.
5817 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5818 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5819 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5820 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5821 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5822 (powerpc-*-eabiaix*): Likewise.
5823 (powerpc-*-eabisim*): Likewise.
5824 (powerpc-*-elf*): Likewise.
5825 (powerpc-*-eabi*): Likewise.
5826 (powerpc-*-rtems*): Likewise.
5827 (powerpc-*-linux*libc1): Likewise.
5828 (powerpc-*-linux*): Likewise.
5829 (powerpc-wrs-vxworks*): Likewise.
5830 (powerpcle-wrs-vxworks*): Likewise.
5831 (powerpcle-*-sysv*): Likewise.
5832 (powerpcle-*-elf*): Likewise.
5833 (powerpcle-*-eabisim*): Likewise.
5834 (powerpcle-*-eabi*): Likewise.
5835 (powerpcle-*-solaris2*): Likewise.
5836 * config/rs6000/aix31.h: Delete includes.
5837 * config/rs6000/aix3newas.h: Likewise.
5838 * config/rs6000/aix41.h: Likewise.
5839 * config/rs6000/aix43.h: Likewise.
5840 * config/rs6000/beos.h: Likewise.
5841 * config/rs6000/rtems.h: Likewise.
5842 * config/rs6000/sysv4.h: Likewise.
5844 2001-01-09 Kazu Hirata <kazu@hxi.com>
5846 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5847 Change an argument mode of machine_mode to shift_mode of
5848 shift_mode. Remove an extra error check.
5849 (emit_a_shift): Adopt to the new calling prototype of
5851 (function_prologue): Fix code for a monitor
5852 function. Support H8/S.
5853 (function_epilogue): Do not output pop for a monitor function.
5855 2001-01-09 Nick Clifton <nickc@redhat.com>
5857 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5858 (setup_incoming_varargs): Use sysv_varargs_p field of the
5859 cfun->machine structure.
5860 (struct machine_function): Move to rs6000.h
5861 (rs6000_save_machine_status): Delete.
5862 (rs6000_restore_machine_status): Delete.
5863 (rs6000_init_machine_status): New Function.
5864 (rs6000_free_machine_status): New Function.
5865 (rs6000_init_expanders): Use new functions.
5867 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5869 (struct machine_function): Move here.
5871 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5872 sysv_varargs_p field of the cfun->machine structure.
5874 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5876 (rs6000_restore_machine_status): Remove prototype.
5878 2001-01-09 Richard Henderson <rth@redhat.com>
5880 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5881 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5882 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5883 (sched_analyze_2, sched_analyze_insn): Likewise.
5884 (sched_analyze, init_deps): Likewise.
5885 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5886 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5887 (compute_block_backward_dependences): Update propagate_deps call.
5889 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5891 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5893 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5895 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5896 (cpp_handle_option): Handle them.
5897 (cpp_post_options): Ensure one of -M or -MM is specified with
5898 any other -M? option.
5899 (init_dependency_output): Suppress output with -MG.
5901 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5904 * invoke.texi: Update.
5906 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5908 * sh.md (reload_outsf): Generate recognizable patterns for
5911 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5913 * c-lang.c (lang_hooks): Update.
5914 (lang_init): Rename c_init.
5915 (lang_finish): Remove.
5916 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5918 * toplev.h (lang_hooks): Add init () and finish ().
5919 * tree.h (lang_init, lang_finish): Remove.
5920 * cp/tree.h (lang_init, lang_finish): Remove.
5921 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5922 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5924 (lang_init, lang_finish): Remove.
5925 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5926 (lang_hooks): Update.
5927 * java/lang.c (lang_init): Rename java_init.
5928 (lang_finish): Remove.
5929 (lang_hooks): Update.
5930 * objc/objc-act.c (lang_init): Rename objc_init.
5931 (lang_finish): Remove.
5932 (lang_hoooks): Update.
5934 20001-01-09 Graham Stott <grahams@redhat.com>
5936 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5937 after `ptr` is initialised.
5939 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5941 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5942 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5943 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5944 stack adjusts, instead of r3.
5946 2001-01-09 Michael Hayes <mhayes@redhat.com>
5948 * flow.c (flow_loop_scan): Break out of ...
5949 (flow_loops_find) ... here.
5950 * basic-block.h (flow_loop_scan): New.
5951 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5952 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5954 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5956 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5958 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5959 realloc()ing macro_buffer.
5961 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5962 if it's wider than long and the target's long is wider than the
5965 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5967 Remove support for using UWIN as a host machine.
5968 * configure.in: Issue an error message.
5969 * configure: Regenerated.
5970 * config.gcc: Remove xm_* UWIN configury.
5971 * config/i386/xm-uwin.h: Remove.
5973 2001-01-08 Nick Clifton <nickc@redhat.com>
5975 * config/v850/v850.c (ra_rtx): Delete.
5976 (v850_save_machine_status): Delete.
5977 (v850_restore_machine_status): Delete.
5978 (v850_init_machine_status): New function.
5979 (v850_mark_machine_status): New function.
5980 (v850_free_machine_status): New function.
5981 (v850_return_addr): Use ra_rtx field in machine structure.
5982 (v850_init_expanders): Use new functions.
5984 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5985 * config/v850/v850.c: Change arguments to v850_output+* functions
5986 to take a const char *, to avoid compile time warning.
5987 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5988 (USER_LABEL_PREFIX): Redefine.
5990 2000-01-08 Jim Wilson <wilson@redhat.com>
5992 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5993 1 to unsigned HOST_WIDE_INT before left shift.
5995 2001-01-08 Nick Clifton <nickc@redhat.com>
5997 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5998 the machine structure has been allocated.
5999 (arm_free_machine_status): New function: Free the machine
6000 specific function structure.
6002 2001-01-08 Richard Henderson <rth@redhat.com>
6004 * jump.c (simplejump_p): Revert last change.
6006 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6008 * cppinit.c (init): Rename init_library.
6009 (cpp_create_reader): Update.
6010 * gcc.c (cpp_options): If -o given, use it as the target of
6013 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6015 * arm.c (arm_arch5e): New variable.
6016 (all_cores): XScale is a 5TE device.
6017 (arm_override_options): Set arm_arch5e.
6018 (arm_init_builtins): __builtin_prefetch is in arch5e.
6019 * arm.h (arm_arch5e): Declare it.
6021 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6023 * arm.md (define_constants): Add defines for UNSPEC and
6024 UNSPEC_VOLATILE insns. Update all users.
6025 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6026 * arm.c (multi_register_push, note_invalid_constants)
6027 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6028 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6029 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6031 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6033 * jump.c (jump_optimize_1): Use reversed_comparison_code
6034 instead of can_reverse_comparison_p.
6035 (jump_back_p): Likewise.
6036 (invert_exp_1): Likewise.
6037 (thread_jumps): Likewise.
6038 * simplify-rtx.c (simplify_unary_operation): Likewise.
6039 (simplify_ternary_operation): Likewise.
6040 * cse.c (find_comparison_args): Convert to use
6041 can_reverse_comparison_p.
6042 (record_jump_equiv): Likewise.
6044 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6046 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6047 (EPILOGUE_USES): Define.
6048 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6049 automatically stack the LR if it isn't live.
6051 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6053 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6056 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6058 * ggc-page.c (max_alignment): New structure.
6059 (MAX_ALIGNMENT): New macro.
6060 (init_ggc): Use it to round up the sizes in the
6061 extra_order_size_table.
6063 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6065 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6068 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6070 * builtins.def (BUILT_IN_FPRINTF): New entry.
6072 * c-common.c (c_expand_builtin_fprintf): New function.
6073 (init_function_format_info): Handle __builtin_fprintf.
6074 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6075 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6077 * c-decl.c (duplicate_decls): Adjust comment.
6079 * extend.texi (fprintf): Document new builtin.
6081 2001-01-07 Richard Henderson <rth@redhat.com>
6083 * jump.c (simplejump_p): Recognize any single_set jump
6086 2001-01-07 Richard Henderson <rth@redhat.com>
6088 * configure.in (slibdir): Accept an --with-slibdir option.
6089 Use "test" not "[" in configure. Default to $(libdir).
6091 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6093 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6094 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6095 (SHLIB_LINK): Create links for the soname.
6096 * config/mips/t-iris6: Likewise.
6097 * config/sparc/t-slibgcc: Likewise.
6098 * config/sparc/t-slibgcc-sld: Likewise.
6100 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6102 * config/i386/i386.c (constant_call_address_operand): Accept
6103 (const (plus (symbol_ref) (const_int))).
6104 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6105 constant_call_address_operand.
6107 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6109 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6110 and LONG_LONG_TYPE_SIZE > 32.
6112 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6114 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6115 the previous change.
6117 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6119 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6121 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6122 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6123 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6126 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6128 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6130 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6132 * c-lang.c (c_post_options): Call cpp_post_options.
6133 * objc/objc-act.c (objc_post_options): Similarly.
6134 * cppmain.c (main): Similarly.
6135 * fix-header.c (read_scan_file): Similarly.
6136 * cppinit.c (cpp_start_read): Move option consistency checks
6137 to cpp_post_options. Don't call init_dependency_output.
6138 If needed, add default target and main file dependency.
6139 (OPT_MD, OPT_MMD): Remove.
6141 (cpp_handle_option): Update for OPT_* changes.
6142 (cpp_post_options): New.
6143 (init_dependency_output): Command line -MF overrides environment
6144 variables. Don't set default target etc. Suppress output
6145 if dependencies are going to stdout.
6146 (print_help): Update.
6147 * cpplib.h (cpp_post_options): New.
6148 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6150 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6152 * jump.c (comparison_dominates_p): Support unordered compares.
6154 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6156 * simplify-rtx.c (simplify_relational_operation): Always simplify
6157 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6160 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6162 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6163 (nonzero_bits): Likewise.
6164 (simplify_comparison): Likewise.
6165 (num_sign_bit_copies): Likewise; return more sane value depending
6166 on STORE_FLAG_VALUE.
6167 (known_cond): Do not assume EQ to be always true for equivalent
6170 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6172 * cse.c (fold_rtx): Handle unordered comparisons.
6174 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6176 * rtlanal.c (set_of_1): New static function.
6177 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6178 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6179 reg_set_last_last_regno): Remove.
6180 (set_of): New global function.
6181 (set_of_data): New structure.
6182 (reg_set_p, reg_set_last): Revamp for set_of.
6183 * rtl.h (set_of): New.
6185 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6187 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6188 * extend.texi: Document _Exit builtin.
6190 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6192 * (initialize, initialize_builtins,
6193 initialize_dependency_output, initialize_standard_includes):
6194 Rename s/initialize/init. Update.
6195 (init_dependency_output): Move to after
6196 cpp_handle_options, the correct location temporally at least.
6197 (opt_comp): Move next to init (), its caller. Fix prototype.
6198 (init): Make "initialized" local scope.
6199 (cpp_create_reader): Always call init ().
6200 (cpp_start_read): Update.
6201 (output_deps): New function, broken out of cpp_finish.
6202 (cpp_finish): Break out output_deps.
6204 2001-01-07 Richard Henderson <rth@redhat.com>
6206 * collect2.c (COFF specific stuff): Revert 12-06 patch
6207 to prototype system functions.
6209 2001-01-07 Michael Hayes <mhayes@redhat.com>
6211 * hard-reg-set.h: Add multiple include guard.
6212 * basic-block.h (struct loop): Add `sink' field.
6213 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6214 (emit_iv_add_mult): Delete.
6215 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6216 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6217 (unroll_loop): Remove end_insert_before argument.
6218 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6219 (maybe_eliminate_biv_1): Likewise.
6220 (emit_iv_add_mult): Delete.
6221 (gen_add_mult, loop_regs_update): New.
6222 (loop_insn_emit_after, loop_insn_emit_before): New.
6223 (loop_insn_sink, loop_insn_sink_or_swim): New.
6224 (emit_iv_add_mult): Delete.
6225 (scan_loop): Set loop->sink.
6226 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6227 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6228 (maybe_eliminate_biv_1): Likewise.
6229 (maybe_eliminate_biv_1): Add basic block argument.
6230 * unroll.c (unroll_loop): Remove end_insert_before argument.
6231 (find_splittable_regs): Likewise.
6232 (find_splittable_regs): Use loop_insn_sink and its ilk.
6233 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6235 2001-01-07 Michael Hayes <mhayes@redhat.com>
6237 * loop.h (loop_insn_hoist): New prototype.
6238 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6239 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6240 (check_dbra_loop, load_mems): Likewise.
6241 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6242 (find_splittable_givs): Likewise.
6244 2001-01-07 Michael Hayes <mhayes@redhat.com>
6246 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6248 2001-01-07 Richard Henderson <rth@redhat.com>
6250 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6252 2001-01-07 Richard Henderson <rth@redhat.com>
6254 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6255 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6256 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6257 variant that handles a shared libgcc.
6258 (process_command): Always validate -{static,shared}-libgcc.
6259 (do_spec_1): New 'M' case.
6260 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6262 2001-01-07 Richard Henderson <rth@redhat.com>
6264 * Makefile.in (slibdir): New variable.
6265 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6266 (installdirs): Create slibdir.
6267 (install-libgcc, install-multilib): Defer to libgcc.mk.
6268 * configure.in (slibdir): Substitute.
6269 * mklibgcc.in (install): New target.
6271 * config/t-linux (SHLIB_LINK): Create links for the soname.
6272 (SHLIB_INSTALL): New.
6273 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6274 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6275 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6276 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6277 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6279 2001-01-07 Richard Henderson <rth@redhat.com>
6281 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6282 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6283 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6285 2001-01-07 Michael Hayes <mhayes@redhat.com>
6287 * loop.c (count_loop_regs_set): Delete.
6288 (load_mems_and_recount_loop_regs_set): Delete.
6289 (loop_regs_scan): Merge common code from count_loop_regs_set,
6290 scan_loop, and load_mems_and_recount_loop_regs_set.
6291 (scan_loop): Call load_mems directly and loop_regs_scan
6292 again if new registers created.
6294 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6296 * toplev.c (main): Call the front-end specific post_options
6297 hook if one is given.
6298 * toplev.h (struct_lang_hooks, lang_hooks): New.
6299 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6300 for the C front end.
6301 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6302 lang_hooks for the C++ front end.
6303 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6304 lang_hooks for the ObjC front end.
6305 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6306 * java/lang.c (lang_hooks): Hooks for the Java front end.
6308 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6310 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6311 for verbose DWARF[2] debugging.
6312 (cb_define, cb_undef): The new callbacks.
6313 * toplev.h (debug_define, debug_undef): Make const correct.
6314 * toplev.c (debug_define, debug_undef): Similarly. Do not
6315 perform the verbosity tests here anymore.
6317 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6319 * reload.c (subst_reloads): Take INSN argument. When
6320 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6321 * reload.h (subst_reloads): Adjust prototype.
6322 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6323 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6324 present in JUMP_INSNs and copy them to JUMP_LABEL.
6325 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6326 JUMP_INSNs and insns with REG_LABELs that are followed by
6327 JUMP_INSNs with the same REG_LABEL.
6328 * sched-rgn.c (is_cfg_nonregular): Likewise.
6329 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6331 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6333 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6335 2001-01-06 Richard Henderson <rth@redhat.com>
6337 * loop.c (scan_loop): Use xcalloc for the regs array.
6338 (load_mems_and_recount_loop_regs_set): Zero the new memory
6339 received from xrealloc.
6341 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6343 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6345 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6347 * integrate.c (copy_rtx_and_substitute): When copying
6348 an ignored return value, strip REG_FUNCTION_VALUE_P.
6350 2001-01-06 Michael Hayes <mhayes@redhat.com>
6352 * loop.c (debug_biv, debug_giv): New.
6353 (loop_biv_dump): Break out from ...
6354 (record_biv): ... here.
6355 (loop_giv_dump): Break out from ...
6356 (record_giv): ... here.
6357 (loop_bivs_check): Use print_simple_rtl.
6358 * unroll.c (loop_iterations): Use print_simple_rtl.
6360 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6362 * pa.md (return, return_internal): Modify patterns to prevent regrename
6363 mucking with the return pointer.
6365 2001-01-05 Richard Henderson <rth@redhat.com>
6367 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6369 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6371 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6372 version supplied by Matteo Frigo.
6374 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6376 * cpp.texi: Update for -MQ.
6377 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6378 (cpp_cleanup): Always free pfile->deps.
6379 (initialize_dependency_output): Don't create pfile->deps.
6380 (cpp_handle_option): Similarly.
6382 * gcc.c (cpp_options): Handle -MQ.
6383 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6384 * mkdeps.c (base_name): Remove.
6385 (deps_init): Don't allocate vector space until it's needed.
6386 (deps_free): Only free vectors if allocated.
6387 (deps_add_target, deps_add_dep): Update for initial allocation.
6388 (deps_add_default_target): Don't strip to the base_name.
6390 2001-01-05 DJ Delorie <dj@redhat.com>
6392 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6393 (INIT_EXPANDERS): Define.
6395 * config/v850/v850.c (struct machine_function): Define.
6396 (v850_save_machine_status): New function.
6397 (v850_restore_machine_status): New function.
6398 (v850_return_addr): New function.
6399 (v850_init_expanders): New function.
6401 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6402 and v850_init_expanders.
6404 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6406 * cpplib.h (struct cpp_reader): Add help_only field.
6407 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6408 (cpp_handle_option): Set pfile->help_only if we see -h,
6409 --help, -target-help, or --version. Print version string but
6410 do not set help_only if we see -v or -version. Make text
6411 printed by -v match that printed by (-)-version.
6413 * cppmain.c (main): Exit after option parsing if
6414 pfile->help_only is true.
6416 * toplev.c (independent_decode_option): Call print_version,
6417 then exit, if we see --version (but not -version).
6418 (print_version): Split lengthy message into two lines.
6420 2001-01-05 Nick Clifton <nickc@redhat.com>
6422 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6423 temporary string for initialisation before calling ggc_alloc_string.
6425 2001-01-06 Michael Hayes <mhayes@redhat.com>
6427 * rtl.h (print_simple_rtl): New.
6428 * print-rtl.c (print_simple_rtl): New.
6430 (print_rtx): Disable printing of flags and modes, etc.,
6431 if `flag_simple` nonzero.
6433 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6435 * function.c (fixup_var_refs): Use push_to_full_sequence where
6438 2001-01-05 Michael Meissner <meissner@redhat.com>
6440 * flags.h (flag_reorder_blocks): Add declaration.
6441 (flag_rename_block): Ditto.
6443 2001-01-05 DJ Delorie <dj@redhat.com>
6445 * function.c (reorder_blocks): Make sure the flags are all reset
6446 before using them to mark blocks, else a second invocation will
6447 corrupt the block chain.
6448 (reorder_blocks_0): New, resets the flags.
6450 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6452 * cse.c (find_comparison_args): Stop if the argument is known to
6455 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6457 * config/sh/sh.md (movdf): When splitting load into pair of
6458 registers, don't clobber the register used in the address too
6461 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6463 * varasm.c (mark_constant_pool): Improve initial comments.
6464 (mark_constants): Move marking of constants to mark_constant.
6465 (mark_constant): New function to recursively mark all constants
6466 referred to by a constant.
6468 2001-01-05 Catherine Moore <clm@redhat.com>
6470 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6472 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6474 * cp/lang-options.h: Bring comment in line with reality.
6475 * f/lang-options.h: Likewise.
6476 * java/lang-options.h: Likewise.
6477 * objc/lang-options.h: Likewise.
6478 * ch/lang-options.h: Likewise.
6479 * f/g77.texi: And update the manual.
6481 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6482 Denis Chertykov <denisc@overta.ru>
6484 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6485 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6486 * config/avr/avr.md (all peepholes that request a scratch register):
6487 Call it, FAIL the peephole if not safe (in interrupt functions).
6489 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6491 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6493 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6495 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6497 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6498 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6499 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6500 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6501 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6503 * extend.texi: Document these builtins.
6505 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6507 * c-common.c (lang_get_alias_set): Say we know nothing of
6508 VECTOR_TYPE aliasing.
6510 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6512 2001-01-05 Bruce Korb <bkorb@gnu.org>
6514 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6515 their x* equivalent versions for atexit-less systems
6516 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6517 systems (or any other system any more).
6519 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6521 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6522 output operands. Use arm_hard_register_operand for operand 4.
6523 (stmsi_postinc): Similarly.
6524 (ldmsi): Use arm_hard_register_operand for opernand 2.
6526 * arm.c (arm_hard_register_operand): New function.
6527 * arm-protos.h (arm_hard_register_operand): Prototype it.
6529 * arm.h (HARD_REGNO_RENAME_OK): Define.
6531 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6533 * simplify-rtx.c (cfc_args): add "unordered" field.
6534 (check_fold_consts): Set unordered field.
6535 (simplify_relational_operation): Simplify the unordered
6538 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6541 * emit-rtl.c (try_split): Fix code to mark labels.
6542 * jump.c (mark_jump_label): Make global.
6543 * rtl.h (mark_jump_label): Declare.
6545 * predict.c (estimate_probability): Handle unordred comparisons.
6547 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6549 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6550 * cppinit.c (initialize_dependency_output): Update.
6551 (cpp_finish): Output dummy targets for -MP.
6553 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6554 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6555 * gcc.c (cpp_options): Update to handle -MP.
6556 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6557 to quote only the default target.
6558 (deps_phony_targets): Insert a preceding newline. Rename from
6559 deps_dummy_targets for consistency.
6562 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6564 * calls.c (emit_library_call_value_1): Support
6565 INIT_CUMULATIVE_LIBCALL_ARGS.
6566 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6568 2001-01-04 Richard Henderson <rth@redhat.com>
6570 * c-decl.c (finish_struct): Detect flexible array members
6571 used in an inappropriate context.
6572 * c-typeck.c (really_start_incremental_init): Special case
6573 constructor_max_index for zero length arrays.
6574 (pop_init_level): Allow initialization of flexible array
6575 members. Deprecate initialization of zero length arrays.
6576 Don't issue missing initializer warning for flexible array
6577 members or zero length arrays.
6578 (process_init_element): Don't dereference null DECL_SIZE.
6579 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6580 Don't abort for empty constructors. Use size_binop
6581 (output_constructor): Add commentary regarding zero length
6582 array futures. Abort if we try to initialize an array of
6583 unspecified length with a non-empty constructor in the middle
6586 * extend.texi (Zero Length): Update and clarify documentation
6587 on static initialization.
6589 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6591 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6592 with more than 32767 words of local storage.
6594 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6596 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6597 for 'abs', 'labs', and 'fabs'.
6598 (c4x_expand_builtin): Likewise.
6599 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6601 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6603 * config/sh/sh.md (prget, prset): New insn types.
6604 (return delay slot): Dont' allow prset.
6605 (call, sfunc delay slot): Don't allow prget.
6606 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6607 for prset and prget.
6609 2001-01-05 Michael Hayes <mhayes@redhat.com>
6611 * loop.h (struct loop_reg): New.
6612 (struct loop_regs): Change to use array of `struct loop_reg'.
6613 * loop.c: Replace assortment of varrays with single regs array.
6614 (count_one_set): Delete may_not_move array argument
6615 and use regs array instead. All caller's changed.
6616 (count_loop_regs_set): Delete may_not_move and single_usage
6617 arguments and use regs array instead. All caller's changed.
6618 (find_single_use_in_loop): Replace usage array argument with pointer
6619 to regs structure. All caller's changed.
6620 (loop_optimize): Delete `moved_once' array.
6622 2001-01-05 Michael Hayes <mhayes@redhat.com>
6624 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6625 Use it instead of loop_info->has_call for scanning loop mems.
6626 (check_dbra_loop): Replace loop_info->has_call test with
6627 loop_info->has_nonconst_call.
6629 2000-01-04 Matthew Hiller <hiller@redhat.com>
6631 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6634 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6636 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6637 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6639 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6641 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6642 (flag_short_double, flag_short_wchar): Define.
6643 (c_common_nodes_and_builtins): Create many tree nodes shared
6644 between C and C++ here instead of in cp/decl.c and ...
6645 * c-decl.c (init_decl_processing): ... here.
6646 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6647 (flag_short_double, flag_short_wchar): Don't define.
6648 (record_builtin_type): New function.
6649 (build_void_list_node): New function.
6650 * c-common.h (flag_short_double, flag_short_wchar,
6651 record_builtin_type, build_void_list_node): Declare.
6653 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6655 * integrate.c (expand_inline_function): Don't put a virtual
6656 register into the reg map.
6658 * function.c (fixup_var_refs_1): If force_operand didn't put
6659 the address into the target, move it there.
6661 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6663 Special-case tree_decl/tree_list allocations.
6664 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6665 (OBJECT_SIZE): New macro.
6666 (NUM_EXTRA_ORDER): Likewise.
6667 (extra_order_size_table): New variable.
6668 (NUM_ORDERS): New macro.
6669 (objects_per_page_table): New variable.
6670 (object_size_table): New variable.
6671 (G.pages): Use NUM_ORDERS to bound the array.
6672 (G.page_tails): Likewise.
6673 (DIV_ROUND_UP): Remove.
6674 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6675 (alloc_page): Use OBJECT_SIZE.
6676 (size_lookup): Don't make it const.
6677 (ggc_alloc): Use OBJECT_SIZE.
6678 (ggc_set_mark): Likewise.
6679 (ggc_get_size): Likewise.
6680 (init_ggc): Set up the object_size_table, objects_per_page_table,
6681 and adjust size_lookup.
6682 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6683 (ggc_pop_context): Use NUM_ORDERS.
6684 (clear_marks): Likewise.
6685 (sweep_pages): Likewise.
6686 (poison_pages): Likewise.
6687 (ggc_print_statistics): Use OBJECT_SIZE.
6689 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6691 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6692 Only call array_size_for_constructor if last field and array type
6693 with no upper bound.
6695 2001-01-04 Philip Blundell <philb@gnu.org>
6697 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6698 from bit 31 downwards, if this requires no more insns.
6699 (count_insns_for_constant): New helper function for above.
6701 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6703 * gencodes.c (output_predicate_decls): Remove empty initializer.
6705 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6707 * tree.c (copy_node): Remove documentation about obstacks.
6708 (buidl1): Check that nobody tries to build 2-argument nodes this
6711 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6716 * gencodes.c (output_predicate_decls): Fill empty initializer
6719 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6721 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6722 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6724 (do_include): Handle missing headers like cpp0.
6725 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6726 paths with first include pathname. Don't strcat to uninitialized
6729 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6731 * regrename.c (regrename_optimize): Don't rename from frame pointer
6732 if frame_pointer_needed.
6733 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6734 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6735 (ia64_reorg): Use it instead of scheduling if ! optimize.
6736 (errata_emit_nops): Properly call asm_noperands.
6737 (ia64_sched_reorder): Finish cycle if we see an asm.
6738 (ia64_variable_issue): Clear scheduling state after asms.
6740 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6742 * cpp.texi: Update for -MT.
6743 * cppinit.c (initialize_dependency_output): Add a default
6744 target if none has been given already.
6745 (no_tgt, OPT_MT): New.
6746 (cpp_handle_option): Handle -MT. Update -M etc.
6747 * cpplib.h (struct cpp_options): Remove deps_target.
6748 * gcc.c (cpp_options): Handle -MT.
6749 * mkdeps.c (struct deps): Move from mkdeps.h.
6750 (deps_calc_target): Rename deps_add_default_target. Add a
6751 default target if none has been specified already.
6752 * mkdeps.h (struct deps): Move to mkdeps.c.
6753 (deps_calc_target): Rename deps_add_default_target.
6755 2000-01-03 Richard Henderson <rth@redhat.com>
6757 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6759 * c-typeck.c (push_init_level): Move checks for flexible array
6760 members and zero length arrays ...
6761 (pop_init_level): ... here. Silently discard empty initializations.
6763 * varasm.c (output_constructor): Update for sizeof change to
6766 * extend.texi (Zero Length): Clarify semantics.
6768 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6770 * configure.in (tm.h): Include isns-codes.h last.
6771 * configure: Rebuilt.
6773 2001-01-03 Richard Henderson <rth@redhat.com>
6775 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6776 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6778 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6780 * tradcpp.c (main): Make sure finclude() is called with a valid
6781 indepth value while handling -include.
6783 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6785 * gencodes.c (output_predicate_decls): New function.
6787 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6788 even if it is not the first time machmode.h is #included.
6789 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6790 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6791 * gcc.texi (Copyright): Added 2001.
6793 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6795 * c-common.c (c_common_lang_init): New function. Warn if format
6796 warning options which only have effects when used with -Wformat
6797 are used without -Wformat.
6798 * c-common.h (c_common_lang_init): Declare.
6799 * c-lang.c (lang_init): Call c_common_lang_init.
6800 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6802 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6804 * configure.in: Check for the mktemp command.
6805 * configure: Regenerate.
6806 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6807 $TEMP. Create temporary files with mktemp, if available at
6808 configure time; otherwise use set -C. Remove temporary files
6811 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6813 * configure.in: Require at least texinfo 4.0. Check for whether
6814 Pod::Man is sufficiently recent to regenerate GCC manpages.
6815 * configure: Regenerate.
6816 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6818 (GENERATED_MANPAGES): Define.
6819 (generated-manpages): New target. Depend on cpp.1 as well as
6821 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6822 configure to generated-manpages or empty) rather than on the
6823 manpages directly. Remove execute permission from installed
6824 gcov.1 as well as cpp.1.
6825 * cpp.1, gcov.1: Regenerate.
6827 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6829 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6830 tree_low_cst. Allow using cmpstrsi in more cases.
6832 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6834 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6837 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6839 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6840 * Makefile.in (HOST_CFLAGS): Mention build-make.
6842 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6844 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6847 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6849 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6852 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6855 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6856 reg_base_value and reg_known_value arrays.
6857 (init_alias_analysis): Add more cases to detect known values.
6858 * sched-deps.c (deps_may_trap_p): New function.
6859 (sched_analyze_2): Use it.
6861 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6863 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6864 don't discard an ASHIFTRT if we're shifting in a wider mode.
6866 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6868 * toplev.c (rest_of_compilation): Don't print basic block information
6869 when CFG isn't up to date.
6871 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6873 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6874 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6875 (UNALIGNED_SHORT_ASM_OP): Define.
6876 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6878 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6880 * fold-const.c (fold_convert): Fix typo.
6882 2001-01-02 Richard Henderson <rth@redhat.com>
6884 * c-common.h (ASM_INPUT_P): New.
6885 * c-parse.in (asm): Set it when needed.
6886 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6887 existance of an operand.
6889 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6891 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6892 (dwarf2out_frame_debug_expr): Likewise.
6893 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6895 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6897 * i386.c (ix86_split_to_parts): Return number of part required;
6899 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6901 (ix86_split_long_move): Use number of part returned
6902 by ix86_split_to_parts
6903 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6905 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6906 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6907 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6908 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6909 (ALIGN_MODE_128): Add TFmode.
6910 (IS_STACK_MODE): Likewise.
6911 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6912 (HARD_REGNO_OK): Support TFmodes.
6913 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6914 * i386.md (scheduler definitions): Use memory operand to determine
6915 fst/fld instructions; use mode attribute to determine real mode of
6917 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6918 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6920 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6922 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6924 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6926 * expr.c (store_constructor_field): Update ALIGN before calling
6929 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6931 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6934 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6936 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6939 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6941 * c-decl.c (start_function): Don't warn on third parameter to main.
6943 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6945 * tsystem.h: Define HAVE_DECL_GETOPT.
6947 2001-01-02 Philip Blundell <pb@futuretv.com>
6949 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6952 2001-01-02 Richard Henderson <rth@redhat.com>
6954 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6956 2001-01-02 Andreas Jaeger <aj@suse.de>
6958 * c-decl.c (c_decode_option): Remove support of
6961 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6962 (W_options): Add -Wmissing-noreturn here.
6964 * flow.c: Define lang_missing_noreturn_ok_p.
6965 (check_function_return_warnings): Use it.
6967 * c-common.h: Declare lang_missing_noreturn_ok_p.
6969 * c-lang.c (c_missing_noreturn_ok_p): New function.
6970 (lang_init): Set lang_missing_noreturn_ok_p.
6972 * invoke.texi (Warning Options): Document this.
6974 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6976 * extend.texi (C++ Extensions): New node for C++ attributes;
6977 describe init_priority and com_interface.
6978 * invoke.texi: Remove -finit-priority as it now has zero effect.
6979 * install.texi: Fix xref syntax.
6980 * md.texi: Likewise.
6982 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6984 * config.gcc (sparc64-wrs-vxworks*): New case.
6985 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6987 * config/sparc/sparc.c (sparc_override_options): Do support different
6988 pointer and architecture size.
6989 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6990 (POINTERS_EXTEND_UNSIGNED): Define.
6991 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6992 (FUNCTION_MODE): Define to be Pmode.
6993 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6995 * function.c (expand_function_end): Properly handle DECL_RESULT
6996 and copy when ptr_mode != Pmode.
6997 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6999 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7001 * c-common.c (c_common_nodes_and_builtins): Set prototype
7002 parameters for __builtin_fputs, __builtin_fputc and
7003 __builtin_fwrite. Don't declare plain fputc as a builtin.
7005 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7007 * loop.c (add_label_notes): Increment the label usage count when
7008 a note is added to an insn which refers to a CODE_LABEL.
7009 * gcse.c (add_label_notes): Likewise.
7011 2001-01-01 Andreas Jaeger <aj@suse.de>
7013 * loop.c (scan_loop): Use xmalloc to allocate movables.
7015 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7017 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7018 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7019 * reload1.c (REGISTER_MOVE_COST): Likewise.
7020 * regclass.c (REGISTER_MOVE_COST): Likewise.
7021 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7022 dimension. Adjust all users.
7023 (init_reg_sets_1): Iterate on all modes.
7024 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7025 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7026 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7027 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7028 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7029 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7030 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7031 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7032 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7033 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7034 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7035 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7036 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7037 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7038 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7039 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7040 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7041 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7042 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7043 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7044 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7045 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7046 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7047 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7048 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7049 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7050 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7052 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7054 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7055 arg VARIES_P. Call it with extra arg.
7056 (true_dependence): Likewise.
7057 * rtl.h (rtx_addr_can_trap_p): Declare.
7058 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7060 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7061 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7062 pic offset table register if it's zero. All callers changed.
7063 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7065 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7067 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7068 STRING_POOL_ADDRESS_P.
7070 * config/sparc/sparc.c (input_operand): Properly test for short op.
7072 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7073 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7074 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7075 * config/sparc/elf.h: No longer include sol2.h.
7076 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7077 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7079 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7081 2001-01-01 Michael Hayes <mhayes@redhat.com>
7083 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7084 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7085 (record_initial): Likewise.
7086 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7087 (remap_split_bivs): Likewise.
7089 2001-01-01 Michael Hayes <mhayes@redhat.com>
7091 * loop.c (loop_ivs_free): New function.
7092 (strength_reduce): Break out from...
7094 2001-01-01 Michael Hayes <mhayes@redhat.com>
7096 * loop.h (struct iv): New.
7097 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7098 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7099 'reg_biv_class' fields with 'regs' and 'n_regs'.
7100 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7101 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7102 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7104 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7106 * resource.c (mark_referenced_resources): Abort() before
7107 attempting to mark a pseudo register.
7108 (mark_set_resources): Likewise.
7110 2001-01-01 Michael Hayes <mhayes@redhat.com>
7112 * loop.h (REG_IV_CLASS): New accessor macro.
7113 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7114 * unroll.c (REG_IV_CLASS): Likewise.
7116 See ChangeLog.4 for earlier changes.