1 2001-03-27 Stan Shebs <shebs@apple.com>
3 * objc/objc-act.c (objc_init): Use dump_base_name.
4 (gen_declaration): Clear the buffer arg.
5 (gen_declaration_1): New function, body of gen_declaration.
6 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
7 (gen_method_decl): Ditto, plus always clear buffer arg.
8 (error_with_ivar): Simplify.
9 (warn_with_method): Ditto.
10 (build_message_expr): Don't clear buffers.
11 (dump_interface): Ditto.
13 (build_keyword_selector): Clear the buffer by only zeroing
15 (objc_implementation_context): Declare.
16 (start_class): Warn about missing @end.
19 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
21 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
23 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25 * Makefile.in (SYSTEM_H): Define.
26 Depend on $(SYSTEM_H), not system.h.
28 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
30 2001-03-27 Jim Wilson <wilson@redhat.com>
32 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
34 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
35 (process_epilogue): New static function.
36 (process_set): Call process_epilogue instead of emitting .restore
38 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
40 * flow.c (struct reg_cond_life_info): New fields orig_condition
42 (init_propagate_block_info): Set new fields.
43 (mark_regno_cond_dead): Set and use new fields.
44 (flush_reg_cond_reg_1): Likewise.
45 (and_reg_cond, case AND): Check for redundant AND conditions.
46 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
49 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
51 * cppmacro.c (stringify_arg): Null terminate strings.
53 2001-03-27 Zack Weinberg <zackw@stanford.edu>
55 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
56 inclusion style. xm-m68hc11.h no longer exists.
57 * config/m68hc11/xm-m68hc11.h: Delete file.
58 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
60 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
61 Don't define GCC_VERSION, N_, or PARAMS; don't include
62 gansidecl.h or stdio.h. Define inhibit_libc here.
63 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
64 Delete code conditioned on #if GCC_VERSION == 2095.
66 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
67 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
68 Delete code conditioned on #if GCC_VERSION == 2095.
70 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
72 * system.h: Include symcat.h.
73 (STRINGIFY): Don't define.
75 * configure.in: Adjust comment.
77 * builtins.c: Use STRINGX, not STRINGIFY.
78 * gencheck.c: Likewise.
79 * gengenrtl.c: Likewise.
80 * protoize.c: Likewise.
82 * cpplex.c: Don't include symcat.h.
85 * gansidecl.h (HAVE_STRINGIZE): Don't define.
87 2001-03-27 Alan Modra <alan@linuxcare.com.au>
89 * c-typeck.c (digest_init): Fold init expression.
91 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
93 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
95 2001-03-27 Alan Modra <alan@linuxcare.com.au>
97 * except.c (eh_regs): Save results of build_pointer_type to a temp
98 as FUNCTION_VALUE macro may evaluate its args multiple times.
100 2001-03-26 Mark Mitchell <mark@codesourcery.com>
102 * c-common.h (DECL_NUM_STMTS): New macro.
103 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
105 (pushdecl): Likewise.
106 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
107 * integrate.c (expand_inline_function): Don't check
109 * print-tree.c (print_node): Don't print it.
110 * toplev.c (rest_of_compilation): Don't try to inline when
111 flag_no_inline is on.
112 * tree.h (DECL_FRAME_SIZE): Remove.
113 (tree_decl): Adjust accordingly.
115 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
117 * combine.c (try_combine): Use memcpy, not bcopy.
119 * genattrtab.c (expand_units): Likewise.
121 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
123 * i386.md (push mem DI peep2): New.
124 (mov 0, mov -1 peep2): Handle 64bit.
125 (lea to arithmetics peep2): Handle 64bit leas.
126 (rsp arithmetics to push/pop peep2s): New.
128 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
130 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
132 * i386.c (struct machine_function): Add save_varrargs_registers.
133 (ix86_save_varrargs_registers): New macro.
134 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
135 (ix86_expand_prologue): Likewise.
136 (ix86_emit_epilogue_esp_adjustement): Likewise.
137 (ix86_expand_epilogue): Likewise.
138 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
139 (pro_epilogue_adjust_stack_1): New insn.
140 (pro_epilogue_adjust_stack_rex64): Likewise.
141 * i386.h (MASK_NO_RED_ZONE): New constant.
142 (TARGET_RED_ZONE): New macro.
143 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
144 (RED_ZONE_SIZE): New constant.
145 (RED_ZONE_RESERVE): New constant.
147 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
149 * toplev.c (set_float_handler): Use memcpy, not bcopy.
151 2001-03-25 Kazu Hirata <kazu@hxi.com>
153 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
159 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
161 * mkconfig.sh (DEFINES): Handle entries with '='.
163 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
164 Set xm_defines to MACRO=value instead.
166 * i370/xm-mvs.h: Delete.
168 * ns32k/xm-pc532-min.h: Likewise.
170 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
172 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
174 use ix86_expand_binary_operator
175 (?sh??i_?): Disable for 64bit.
176 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
177 * i386.c (shiftdi_operand): New predicate.
179 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
180 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
181 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
182 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
183 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
184 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
185 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
186 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
187 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
188 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
189 (rotldi3, rotrdi3): New expanders.
191 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
193 * i386.md (movstrsi): Move offline.
195 (strmovdi_rex64): New.
196 (strmov?i): Accept 64bit.
197 (strmov?i_rex64): New.
198 (strmov?i_rex_1): New.
199 (strmov?i_1): Disable for 64bit.
200 (rep_mov?i_rex64): New.
201 (rep_mov?i): Disable for 64bit.
202 (clrstrsi): Move offline.
203 (strset?i_rex64): New.
204 (strset?i: Accept 64bit.
205 (rep_stos?i): Disable for 64bit.
206 (rep_stos?i_rex64): New.
207 (strset?i_rex_1): New.
208 (strset?i_1): Disable for 64bit.
209 (cmpstrsi): Accept 64bit.
210 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
211 (cmpstrqi_nz_rex_1): New.
212 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
213 (strlensi): Move offline.
215 (strlenqi_1): Disable for 64bit; fix constraints.
216 (strlenqi_rex_1): New.
217 * i386.c (ix86_adjust_counter): New static function.
218 (ix86_zero_extend_to_Pmode): Likewise.
219 (ix86_expand_aligntest): Likweise.
220 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
221 (ix86_expand_movstr): New global function.
222 (ix86_expand_clrstr): New global function.
223 (ix86_expand_strlen): New global function.
224 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
225 ix86_expand_strlen): Declare.
226 (ix86_expand_strlensi_unroll_1): Delete.
228 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
230 * i386.md (cmpdi): Fix operand predicates.
231 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
232 cmpdi_1_insn_rex64): New patterns.
233 (adddi3): Turn to expander.
234 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
235 (addsi3_carry_zext): New pattern.
236 (adddi_?_rex64): New patterns and splitters.
237 (addsi_?_zext): New patterns.
238 (subsi3_carry_zext): New pattern.
239 (subdi_?_rex64): New patterns and splitters.
240 (iorsi_?_zext): New patterns.
241 (iordi_?_rex64): New patterns and splitters.
242 (iorsi_?_zext): New patterns.
243 (iorsi_?_zext_imm): New patterns.
244 (xorsi_?_zext): New patterns.
245 (xordi_?_rex64): New patterns and splitters.
246 (xorsi_?_zext): New patterns.
247 (negdi*): New patterns.
248 (one_cmpldi*): Likewise.
249 (one_cmplsi*_zext, negsi*_zext): Likewise.
250 (testqi_ext_3_rex64): New pattern.
252 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
254 * i386-protos.h (ix86_split_long_move): Return void.
255 * i386.c (ix86_split_to_parts): Handle 64bit target.
256 (ix86_split_long_move): Likewise.
257 * i386.md (all calls to ix86_split_long_move): Update.
259 2001-03-23 Richard Henderson <rth@redhat.com>
261 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
262 to avoid shadowing arguments.
264 2001-03-23 Jakub Jelinek <jakub@redhat.com>
266 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
267 to variable names where DECL_NAME is different from
270 2001-03-23 Jim Wilson <wilson@redhat.com>
272 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
273 (assemble_alias): Call make_decl_rtl.
275 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
277 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
279 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
281 * extend.texi: Document the "java_interface" attribute.
283 2001-03-22 Zack Weinberg <zackw@stanford.edu>
285 * mkconfig.sh: Use a subshell with redirected stdout,
286 instead of closing stdout and confusing commands that run
287 afterward. Throw away output of cmp.
289 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
291 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
293 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
295 * i386.md (zero_extendsidi2_32): Break out from ...
296 (zero_extendsidi2): ... here ; turn to expander.
297 (zero_extendsidi2_rex64): New.
298 (extendsidi2_32): Break out from ...
299 (extendsidi2): ... here ; turn to expander.
300 (extendsidi2_rex64): New.
301 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
302 (trunc?f?f splitters): Add 64bit versions.
304 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
306 * i386.md (pushsi, pushsi2_prologue): Disable.
307 (pushsi2_rex64): New.
308 (movabs?i_1_rex64, movabs?i_2_rex64): New.
309 (movqi_ext_1): Disable for 64bit.
310 (movqi_ext_1_rex64): New.
311 (pushdi2_rex64): New pattern, peep2s and splitter.
312 (pushdi2_prologue_rex64): New pattern.
313 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
315 (movdi splitters): Disable for 64bit.
316 (movdi_1_rex64): New pattern, peep2s and splitters.
317 (swapdi): New pattern.
318 (pushsf): Disable for 64bit.
319 (pushsf_rex64): New pattern and splitter.
320 (pushdf_nointeger): Disable for 64bit.
321 (pushdf_integer): Handle the 64bit case.
322 (pushtf): Likewise; update splitters.
324 2001-03-22 Richard Henderson <rth@redhat.com>
326 * mkconfig.sh: Include insn-flags.h.
327 * Makefile.in (CONFIG_H): Include insn-flags.h.
328 (lots of objects): Remove insn-codes.h and insn-flags.h.
330 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
331 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
332 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
333 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
334 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
335 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
336 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
337 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
338 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
339 v850/v850.c, vax/vax.c:
340 Don't include insn-flags.h.
342 * diagnostic.c, expr.h, reload.c, toplev.c:
343 Don't include insn-codes.h.
345 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
346 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
347 c4x/c4x.c, i960/i960.c, mips/mips.c:
348 Don't include insn-codes.h or insn-flags.h.
350 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
351 or insn-flags.h in the generated code.
352 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
353 (main): Forward declare struct rtx_def.
355 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
357 * invoke.texi (-ffast-math): Remove duplicate line about
360 * gcc.texi: Remove more obsolete documentation of bugs and
361 installation problems.
363 2001-03-21 Kazu Hirata <kazu@hxi.com>
365 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
368 2001-03-20 Jason Merrill <jason@redhat.com>
370 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
372 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
373 * varasm.c (CHKR_PREFIX): Likewise.
375 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
377 * gcse.c (hash_scan_set): An expression is not anticipatible if it
378 is part of a multi-SET insn.
380 * cse.c (find_comparison_args): Remove previous change.
381 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
384 * config/i386/i386.md (conditional_trap): Remove warning.
386 * recog.c (push_operand): Fix error in last change that caused
387 undefined symbol on many targets.
389 * sdbout.c: #include ggc.h.
390 (sdbout_init): Move to end of file.
391 Call ggc_add_tree_root for anonymous_types.
392 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
393 (sdbout_one_type): Use DECL_NAME for field name.
394 * Makefile.in (sdbout.o): Show includes ggc.h.
396 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
398 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
399 (override_options): Use properlimits for preferred_stack_boundary.
400 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
402 (ext_register_operand): Accept DImode.
403 (load_pic_register): Abort on 64bit.
404 (gen_push): Use Pmode instead of SImode.
405 (ix86_save_reg): Pic reg is never used on 64bit.
406 (ix86_expand_prologue): Likewise.
407 (ix86_emit_save_regs): Use Pmode instead of SImode.
408 (legitimate_address_p): Check displacement for 64bit.
409 (print_operand): Avoid outputting of (%rip) on 64bit.
410 (print_operand_address): Output (%rip) where possible.
411 (split_di): Abort on 64bit registers.
412 (ix86_expand_branch): DImode comparison is simple for x86_64.
413 (memory_address_length): Recognize memory addresses formed using
415 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
417 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
419 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
421 * recog.c (push_operand): Recognize new format of push instructions.
423 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
425 * i386.md (pushqi1): New.
426 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
427 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
428 x86_64_immediate_operand, x86_64_immediate_operand,
429 x86_64_zext_immediate_operand): Declare.
430 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
431 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
432 x86_64_immediate_operand, x86_64_immediate_operand,
433 x86_64_zext_immediate_operand): define.
434 * i386.h (PREDICATE_CODES): Add new predicates.
436 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
438 * i386.md (pophi1, popqi1, pushqi1): Remove.
440 * expr.c (emit_single_push_insn): New function.
441 (move_by_pieces): Accept NULL as destination for push instructions.
442 (gen_push_operand): Kill.
443 (emit_push_insn): Pass NULL when pushing; avoid updating of
445 * expr.h (gen_push_operand): Kill.
447 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
449 * rtl.texi (COMPARE): Clarify documentation and reference section
452 2001-03-20 Stan Shebs <shebs@apple.com>
454 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
455 (get_object_reference): Ditto.
456 (error_with_ivar): Use error_with_file_and_line.
457 (warn_with_method): Use warning_with_file_and_line.
459 2001-03-20 Tom Tromey <tromey@redhat.com>
461 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
463 2001-03-20 Mark Mitchell <mark@codesourcery.com>
465 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
466 variables that are TREE_PUBLIC, even if not TREE_STATIC.
468 2001-03-20 DJ Delorie <dj@redhat.com>
470 * Makefile.in (install-libgcc): Pass complete list of variables.
471 (install-multilib): Ditto.
473 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
475 * config/i386/cygwin.h: Declare ctor_section, dtor_section
476 drectve_section, switch_to_section.
478 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
479 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
480 i386_pe_mark_dllimport.
482 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
484 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
487 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
488 i386_pe_* functions with char * arguments.
490 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
492 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
494 (movsi_ie): Introduce fpul store.
496 2001-03-20 Alan Modra <alan@linuxcare.com.au>
498 * Makefile.in (OBJS): Remove hashtab.o.
500 2001-03-19 Stan Shebs <shebs@apple.com>
502 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
503 * c-lang.c (maybe_objc_method_name): Ditto.
504 * c-tree.h (maybe_objc_method_name): Remove decl.
506 2001-03-19 Tom Tromey <tromey@redhat.com>
508 * gcc.c (init_gcc_specs): Fix comment.
510 2001-03-19 Mark Mitchell <mark@codesourcery.com>
512 Compute DECL_ASSEMBLER_NAME lazily.
513 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
514 (DECL_ASSEMBLER_NAME_SET_P): New macro.
515 (SET_DECL_ASSEMBLER_NAME): Likewise.
516 (COPY_DECL_ASSEMBLER_NAME): Likewise.
517 (set_decl_assembler_name): Declare.
518 (lang_set_decl_assembler_name): Likewise.
519 * tree.c (lang_set_decl_assembler_name): New variab.e
520 (set_decl_assembler_name): New function.
521 (init_obstacks): Set lang_set_decl_assembler_name.
522 (build_decl): Don't set DECL_ASSEMBLER_NAME.
523 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
524 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
525 where it's not necessary.
526 (builtin_function): Likewise.
527 (finish_decl): Likewise.
528 * dbxout.c (dbxout_type_methods): Likewise.
529 * ggc-common.c (ggc_mark_trees): Likewise.
530 * profile.c (output_func_start_profiler): Likewise.
531 * varasm.c (make_decl_rtl): Likewise.
533 * cse.c (find_comparison_args): Update documentation. Fix
534 mishandling of COMPARE operations.
536 * tree.def (ABS_EXPR): Add documentation.
537 * fold-const.c (fold): Improve folding of ABS_EXPRs.
539 2001-03-19 Zack Weinberg <zackw@stanford.edu>
541 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
543 2001-03-19 Jakub Jelinek <jakub@redhat.com>
545 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
546 Remove ia32 linux PIC kludge and move it...
547 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
549 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
551 * i386.md (absdf2 expander): Fix 64bit case.
553 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
555 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
557 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
559 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
561 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
563 * README.X11: Remove obsolete file.
565 2001-03-18 Anthony Green <green@redhat.com>
567 * config/pj/pj.h: Remove some trailing commas.
568 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
570 2001-03-18 Richard Henderson <rth@redhat.com>
572 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
574 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
575 defaults for them here.
577 2001-03-17 Anthony Green <green@redhat.com>
579 * config/pj/lib1funcs.S: Fix broken comment.
580 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
583 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
585 * gcc.texi: Remove obsolete information relating to build and
586 installation problems with enquire or the Pyramid C compiler.
588 2001-03-17 Richard Henderson <rth@redhat.com>
590 * dwarf2out.c (queue_reg_save): New.
591 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
592 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
594 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
595 (cfa, cfa_store, cfa_temp): Make static.
596 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
598 2001-03-17 Richard Henderson <rth@redhat.com>
600 * integrate.h (struct inline_remap): Add local_return_label.
601 * integrate.c (expand_inline_function): Initialize it and emit
602 it after copy_insn_notes.
603 (copy_insn_list): Don't store local_return_label here.
604 (copy_insn_notes): New function split out from copy_insn_list.
606 2001-03-17 Richard Henderson <rth@redhat.com>
608 * dwarf2out.c (lookup_filename): Emit .file if the assembler
609 is generating .debug_line.
610 (dwarf2out_init): Add main_input_filename to the file table first.
611 * configure.in (as_dwarf2_debug_line): Test with file number 1
612 instead of file number 0.
614 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
616 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
617 (gen_rtx_combine): Deleted; all references changed as appropriate.
618 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
620 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
622 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
624 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
627 2001-03-16 Jim Wilson <wilson@redhat.com>
629 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
630 then set it to LOC_REG (79) instead of aborting.
632 2001-03-16 Phil Edwards <pme@sources.redhat.com>
634 * gccbug.in: Remove high priority.
636 2001-03-16 Richard Henerson <rth@redhat.com>
638 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
639 output with a space instead of deleting it.
640 * configure: Regenerate.
642 2001-03-16 Zack Weinberg <zackw@stanford.edu>
644 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
645 handles the gory details of converting an object file into
646 something that's safe to grep.
647 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
648 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
649 newlines at either end of the string we're looking for.
650 Make 'checking ...' message less stilted.
651 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
652 ARM in-memory layout and its hypothetical converse. Don't
653 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
654 HOST_WORDS_BIG_ENDIAN.
656 * configure.in: Adjust for renamed macro. Move
657 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
658 * configure, config.in: Regenerate.
660 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
662 * fixinc/Makefile.in: Set SHELL.
664 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
666 * fixinc/fixincl.c (fix_with_system): Quote file names before
667 passing them to shell.
669 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
671 * Makefile.in: Use fix-header$(build_exeext) instead
674 2001-03-16 Richard Henderson <rth@redhat.com>
676 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
677 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
678 (size_of_line_prolog): Remove.
679 (output_line_info): Compute prologue size via label difference.
680 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
682 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
683 assembler error when redefining file numbers.
684 * config.in, configure: Rebuild.
686 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
687 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
688 (dw2_asm_output_delta_uleb128): Likewise.
689 (dw2_asm_output_delta_sleb128): Similarly.
690 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
692 2001-03-16 Michael Meissner <meissner@redhat.com>
694 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
696 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
698 (BITMASK_LOWER16): Replacement for 0x0000ffff.
700 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
701 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
702 being unsigned in ISO C and signed in traditional.
703 (expand_prologue): Ditto.
704 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
706 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
708 (divsi3,divdi3): Ditto.
709 (modsi3,moddi3): Ditto.
710 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
711 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
712 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
715 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
717 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
718 SSE based conditional moves on LTGT/UNEQ conditions;
719 Canonicalize EQ to NE.
720 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
721 (sse_mov?fcc_ne): New.
723 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
725 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
727 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
728 register may be dead.
730 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
732 * Makefile.in (hash.o): Depend on CONFIG_H.
734 2001-03-15 Mark Mitchell <mark@codesourcery.com>
736 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
738 2001-03-15 Richard Henderson <rth@redhat.com>
740 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
741 (ASM_OUTPUT_DWARF_PCREL): New.
742 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
744 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
746 * cppfiles.c (stack_include_file): Use MAX of sysp.
748 2001-03-15 Steve Ellcey <sje@cup.hp.com>
750 * config.gcc (ia64*-*-hpux*): New case.
751 * config/ia64/hpux.h: New file for HP-UX support.
752 * config/ia64/t-hpux: New file for HP-UX support.
754 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
756 * fixinc/inclhack.def (irix_stdio_va_list): New.
757 * fixinc/fixincl.x: Rebuilt.
759 2001-03-15 Richard Henderson <rth@redhat.com>
761 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
762 if provided by the target.
763 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
764 (dw2_asm_output_addr): New.
765 * dwarf2asm.h (dw2_asm_output_addr): Declare.
766 * dwarf2out.c (output_cfi): Use it for program addresses.
767 (output_call_frame_info, output_die): Likewise.
768 (output_aranges, output_line_info): Likewise.
770 2001-03-15 Bruce Korb <bkorb@gnu.org>
772 * gcc.c(main): make more rigorous
773 * collect2.c(main): guard against ignoring SIGCHLD
774 * protoize.c(main): ditto
775 * gcc/fixinc/fixincl.c(initialize): ditto
777 2001-03-15 Mark Mitchell <mark@codesourcery.com>
779 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
780 (sdbout_parms): Likewise.
782 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
784 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
785 "widen" a destination that is already wider than a word. Also do
786 not widen if LOAD_EXTEND_OP is NIL for the given mode.
788 2001-03-15 Bernd Schmidt <bernds@redhat.com>
790 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
792 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
794 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
796 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
798 * i960.h (i960_maxbitalignment,
799 i960_last_maxbitalignment): Declare.
800 * i960.c (i960_maxbitalignment,
801 i960_last_maxbitalignment): Make global.
802 (process_pragma): Delete.
803 (i960_pr_align, i960_pr_noalign): Move from here ...
804 * i960-c.c: ... to this new file.
805 * t-960bare (i960-c.o): New rule.
806 * t-vxworks960 (i960-c.o): Likewise.
807 * config.gcc (i960-*-*): Define c_target_objs and
810 2001-03-15 Bernd Schmidt <bernds@redhat.com>
812 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
813 without adding in rtx code and mode.
815 * alias.c (init_alias_analysis): Don't use any rtx whose value
816 varies as a known value.
817 Delete a superfluous test.
819 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
821 (ia64_sched_reorder): Call maybe_rotate; also rotate after
822 scheduling a stop bit.
823 (ia64_emit_nops): Correctly handle ASMs.
825 2001-03-15 Mark Mitchell <mark@codesourcery.com>
827 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
829 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
831 * cpp.texi: Update documentation for -include and -imacros.
832 * cppfiles.c (struct include_file): Remove "defined" memeber.
833 (find_or_create_entry): Make a copy of the file name, and
835 (open_file): Update to ensure we use the simplified filename.
836 (stack_include_file): Don't set search_from.
837 (cpp_included): Don't simplify the path name here.
838 (find_include_file): New prototype. Call search_from to
839 get the start of the "" include chain. Don't simplify the
841 (_cpp_execute_include): New prototype. Move diagnostics to
842 do_include_common. Update.
843 (_cpp_pop_file_buffer): Don't set defined.
844 (search_from): New prototype. Use the preprocessor's cwd
845 for files included from the command line.
846 (read_name_map): Don't simplify the pathname here.
847 * cpphash.h (enum include_type): New.
848 (struct buffer): Delete search from. New search_cached.
849 (_cpp_execute_include): Update prototype.
850 * cppinit.c (do_includes): Use _cpp_execute_include.
851 * cpplib.c (do_include_common): New function.
852 (do_include, do_include_next, do_import): Use it.
854 2001-03-14 Mark Mitchell <mark@codesourcery.com>
856 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
857 contents of the RTL, to determine the name of the object.
859 2001-03-14 Mark Mitchell <mark@codesourcery.com>
861 * tree.h (DECL_RTL): Allocate RTL lazily.
862 (SET_DECL_RTL): New macro.
863 (DECL_RTL_SET_P): Likewise.
864 (COPY_DECL_RTL): Likewise.
865 (DECL_RTL_IF_SET): Likewise.
866 * varasm.c (make_decl_rtl): Add assertions about the kind of
867 declaration we are processing.
868 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
869 (start_decl): Likewise.
870 (finish_decl): Likewise.
871 * c-semantics.c (emit_local_var): Likewise.
872 * calls.c (expand_call): Likewise.
873 * dbxout.c (dbxout_symbol): Likewise.
874 * emit-rtl.c (unshare_all_rtl): Likewise.
875 (unshare_all_decls): Likewise.
876 (reset_used_decls): Likewise.
877 * expr.c (store_constructor): Likewise.
878 (safe_from_p): Likewise.
879 (expand_expr): Likewise.
880 * function.c (put_var_into_stack): Likewise.
881 (instantiate_decls_1): Likewise.
882 (assign_parms): Likewise.
883 (expand_function_start): Likewise.
884 (expand_function_end): Likewise.
885 * ggc-common.c (gcc_mark_trees): Likewise.
886 * integrate.c (function_cannot_inline_p): Likewise.
887 (copy_decl_for_inlining): Likewise.
888 (expand_inline_function): Likewise.
889 (integrate_parm_decls): Likewise.
890 (integrate_decl_tree): Likewise.
891 * print-tree.c (print_node): Likewise.
892 * reg-stack.c (stack_result): Likewise.
893 * stmt.c (label_rtx): Likewise.
894 (expand_return): Likewise.
895 (expand_decl): Likewise.
896 (expand_decl_cleanup): Likewise.
897 (expand_anon_union_decl): Likewise.
898 * toplev.c (check_global_declarations): Likewise.
899 (rest_of_decl_compilation): Likewise.
900 * tree.c (simple_cst_equal): Likewise.
901 * objc/objc-act.c (generate_static_references): Likewise.
903 2001-03-14 Zack Weinberg <zackw@stanford.edu>
905 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
906 gcc_AC_C_FLOAT_FORMAT): New macros.
907 * configure.in: Add AC_PROG_CPP after CC tests;
908 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
909 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
910 * configure, config.in: Regenerate.
912 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
913 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
914 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
915 config/i370/xm-linux.h, config/i370/xm-oe.h,
916 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
917 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
918 config/pa/xm-linux.h, config/pa/xm-pa.h,
919 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
920 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
921 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
922 config/we32k/xm-we32k.h: Delete.
924 * config/i370/xm-mvs.h, config/m88k/m88k.h,
925 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
926 config/vax/xm-vms.h: Don't define any of:
927 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
929 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
931 * config.gcc: Remove references to deleted files.
932 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
933 FATAL_EXIT_CODE, which is the same between oe and mvs).
935 2001-03-14 DJ Delorie <dj@redhat.com>
936 Vladimir Makarov <vmakarov@redhat.com>
938 * config/i960/i960.c (i960_function_prologue): Compute size of
939 frame according to number of registers actually saved there.
941 2001-03-14 Richard Henderson <rth@redhat.com>
943 * expr.c (emit_move_insn_1): Fix else if around #endif.
945 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
948 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
951 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
953 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
954 (override_options): Parse cmodel string.
955 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
956 * i386.h (TARGET_OPTIONS): Add "cmodel".
957 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
959 (ix86_cmodel_string, ix86_cmodel): Declare.
961 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
964 * i386.h (GENERAL_REG_P): Add missing REG_P.
966 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
968 * configure.in: Use $gcc_cv_as instead of $as.
969 * configure: Regenerated.
971 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
973 * cppfiles.c (stack_include_file): Only increase the include
974 count if we actually process the file properly, as opposed
975 to treating it as length zero. Only call read_include_file
976 if not DO_NOT_REREAD. Handle the -H include file output
978 (read_include_file): Remove now redundant DO_NOT_REREAD check.
979 (cpp_included, find_include_file): Simplify pathnames after
980 remapping them. If remapping, don't use the remapped file
981 name's buffer as our scratch buffer.
982 (cpp_pop_file_buffer): Replace the multiple include macro
983 only if it isn't yet set.
984 (read_name_map): Simplify remapped names when reading in.
985 (remap_filename): Move code to code path that uses it.
986 (_cpp_simplify_pathname): Return the input pointer.
987 * cpphash.h (_cpp_simplify_pathname): Update prototype.
989 2001-03-14 Mark Mitchell <mark@codesourcery.com>
991 * expr.c (expand_expr): Revove bogus conditional.
993 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
995 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
997 2001-03-14 Jakub Jelinek <jakub@redhat.com>
999 * reg-stack.c (stack_result): Unconditionally use
1000 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1002 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1004 * expr.c (emit_move_insn_1): Split push of complex value when
1005 no suitable push instruction exist.
1007 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1008 instead of QI_REG_P.
1010 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1012 * alias.c (handled_component_p, can_address_p): New functions.
1013 (get_alias_set): Use them.
1015 2001-03-13 Jim Wilson <wilson@redhat.com>
1017 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1018 from 80 in try_locals code.
1019 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1021 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1023 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1024 gcc_AC_C_LONG_LONG): New.
1025 * configure.in: Use them. Probe the size of short, int, long,
1026 and long long/__int64 if we have them. Move all the AC_C_*
1027 checks together, except gcc_AC_C_CHAR_BIT which has to go
1028 after AC_CHECK_HEADERS(limits.h).
1029 Take hwint.h out of host_xm_file and build_xm_file.
1031 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1032 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1033 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1034 Move the HOST_WIDEST_INT setup logic here from system.h.
1035 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1037 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1038 is now handled by hwint.h.
1040 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1041 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1042 config/ia64/xm-ia64.h: Don't define any of:
1043 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1044 HOST_BITS_PER_LONGLONG.
1046 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1047 config/h8300/xm-h8300.h, config/mips/iris6.h,
1048 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1049 config/sparc/xm-sp64.h: Delete.
1050 * config.gcc: Remove references to deleted files.
1052 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1053 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1054 * config/i370/xm-linux.h: Clarify floating-point situation in
1057 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1059 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1060 (find_include_file): Decide here which part of the include
1061 chain to start the search. Complain about an empty include
1062 chain in all cases apart from an abolsute file name.
1063 (_cpp_execute_include): Don't choose the search chain here.
1064 Don't call handle_missing_include in the case of an empty
1066 (_cpp_compare_file_date): Don't choose the search chain here.
1067 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1068 here from _cpp_execute_include. Behave like #include if
1069 we're in the main file.
1071 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1073 * system.h (malloc, realloc, calloc, strdup): Only poison these
1074 tokens when IN_GCC is defined.
1076 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1078 * i386.md (abs?f expander): Support SSE case.
1079 (abd?f_if): Add new "USE"; add splitters.
1081 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1083 * cpp.texi (poison): Explain the macro expansion exception.
1085 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1087 * expr.c (store_expr): Add dont_store_target. If temp is already in
1088 target before copying to reg, don't store it into target again.
1090 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1092 * cppinternals.texi: Update for file handling.
1094 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1096 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1097 2001-02-24 which broke building the Java library.
1098 * function.c (identify_blocks): Likewise.
1099 (all_blocks): Likewise.
1100 * integrate.c (integrate_decl_tree): Likewise.
1101 * print-tree.c (print_node): Likewise.
1102 * tree.h (BLOCK_NUMBER): Likewise.
1103 (struct tree_block): Likewise.
1105 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1107 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1108 __WCHAR_TYPE__ definition.
1109 (WCHAR_TYPE_SIZE): #undef before #define.
1111 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1113 * cppfiles.c: Update comments.
1114 (destroy_include_file_node): Rename destroy_node.
1115 (find_or_create_entry): New function.
1116 (open_file, _cpp_fake_include): Use it.
1117 (handle_missing_header): New function, broken out of
1118 _cpp_execute include. Don't segfault if there is no
1119 system or quoted path.
1120 (_cpp_execute_include): Use handle_missing_header.
1122 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1124 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1125 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1127 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1129 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1130 unless anti_dependence says they are.
1131 * alias.c (objects_must_conflict): If neither has a type specified,
1134 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1135 David Billinghurst <David.Billinghurst@riotinto.com>
1137 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1139 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1141 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1142 (*_one_bit): Remove type on the match_operand in attributes.
1144 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1146 * i386.c: Commit forgotten hunk in previous patch.
1147 (regclass_map): Add extended registers.
1148 (dbx_register_map): Add missing frame register.
1150 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1152 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1154 * i386.md (x86_sahf_1): Disable for 64bit.
1155 (popsi*, pophi*): Likewise.
1156 (pushqi, pushhi): Likewise.
1157 (movdi, pushdi): Likewise.
1158 (zero extend DImode splitter): Likewise.
1159 (adddi, minusdi splitter): Likewise.
1160 (umulsidi): Likewise.
1162 (mulsidi): Disable for 64bit
1163 (lshift:DI/ashift:DI): Disable for 64bit.
1164 (loop patterns): Likewise.
1165 (call_pop, call_value_pop expanders and patterns): Likewise.
1166 (prologue_get_pc): Likewise.
1168 (fcmovDI pattern and splitter): Likewise.
1169 (movdfcc_1_rex64): New.
1171 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1173 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1174 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1175 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1176 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1177 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1178 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1179 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1180 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1181 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1182 (REGPARM_MAX): Set to 6 for x86_64.
1183 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1184 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1187 * (patterns that does use upper halves): Update constraints
1188 'q' to 'Q' and 'r' to 'R'.
1189 (cmpqi_ext_1): Disable for 64bit.
1190 (cmpqi_ext_3_insn): Likewise.
1191 (movqi_extzv_1): Likewsie.
1192 (addqi_ext_1): Liekwsie
1193 (testqi_ext_1): Liekwsie
1194 (andqi_ext_1): Liekwsie
1195 (xorqi_ext_1): Liekwsie
1196 (cmpqi_ext_1_rex64): New.
1197 (cmpqi_ext_3_insn_rex64): Likewise.
1198 (movqi_extzv_1_rex64): Likewsie.
1199 (addqi_ext_1_rex64): Liekwsie
1200 (testqi_ext_1_rex64): Liekwsie
1201 (andqi_ext_1_rex64): Liekwsie
1202 (xorqi_ext_1_rex64): Liekwsie
1204 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1206 * configure.in: Move check for unsigned enumerated bitfields
1207 to macro in aclocal.m4. Disable it for now.
1208 * configure, config.in: Regenerate.
1209 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1210 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1211 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1212 kind above its first use.
1214 * config/xm-interix.h, config/alpha/xm-alpha.h,
1215 config/i370/xm-linux.h, config/i386/xm-beos.h,
1216 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1217 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1218 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1219 Don't define ONLY_INT_FIELDS under any circumstances.
1221 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1223 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1224 config/sparc/xm-sysv4.h: Delete - now identical with some
1226 * config.gcc (hppa targets): Replace xm-pahpux.h and
1227 xm-papro.h with implicit xm-pa.h.
1228 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1231 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1233 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1234 before reload_cse_noop_set_p.
1236 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1238 * config.gcc: Where xm-host.h used to include another
1239 xm-host.h, list the nested header directly in xm_file. Remove
1240 references to deleted files. Can now use sparc/xm-sp64.h for
1243 * config/xm-linux.h, config/arm/xm-linux.h,
1244 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1245 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1246 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1247 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1248 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1251 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1252 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1253 bother to wrap #undef in #ifdef.
1254 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1255 Don't include xm-linux.h.
1256 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1258 * configure.in: Wrap regexps using [] in changequote block.
1259 Use expr : not echo | grep. Simplify regexps.
1260 * configure: Regenerate.
1262 56 xm-files remain, 22 xm-arch.
1264 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1266 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1267 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1268 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1269 (copy_object): Fix format specifier vs argument mismatch.
1271 * mips-tdump.c: Make local functions static.
1272 (rindex): Don't #undef.
1273 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1274 (fatal, fancy_abort): Delete.
1275 (read_seek): Avoid signed/unsigned compare.
1277 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1279 * combine.c (try_combine): Fix error in change to try original
1281 (gen_rtx_combine): Do same as gen_rtx for now.
1283 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1285 * configure.in: AC_SUBST xm_defines.
1286 * configure: Regenerate.
1287 * Makefile.in: Set DEFINES=$(xm_defines) when building
1290 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1292 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1293 (cpp_included, find_include_file): Update.
1294 (_cpp_compare_file_date): Make else unconditional.
1296 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1298 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1300 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1302 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1303 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1305 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1307 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1308 if it's a record type.
1310 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1312 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1313 mingw includes slightly.
1315 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1317 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1318 #undef token before poisoning it.
1320 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1322 * alpha.c (check_float_value): Use memcpy, not bcopy.
1324 * m32r.c (m32r_sched_reorder): Likewise.
1326 * vax.c (check_float_value): Likewise.
1328 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1330 * toplev.c (file_name_nondirectory): Remove.
1331 * toplev.h: Similarly.
1332 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1333 of file_name_nondirectory.
1335 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1337 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1338 * mips-tfile.c: Don't #undef rindex; not used.
1340 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1342 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1343 (dbx64_register_map): Declare.
1344 (RETURN_ADDR_RTX): Fix for 64bit.
1345 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1346 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1347 * i386.c (dbx64_register_map): New global array.
1348 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1349 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1352 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1354 * cppfiles.c (search_from): Use lbasename.
1355 * mkdeps.c (deps_add_default_target): Use lbasename.
1357 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1360 xcalloc in lieu of malloc, realloc & calloc.
1362 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1364 * gengenrtl.c (xmalloc): Likewise.
1366 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1367 really_call_* memory allocation routines.
1369 * stmt.c (check_for_full_enumeration_handling): Use
1370 really_call_calloc, not calloc.
1372 * system.h (really_call_malloc, really_call_calloc,
1373 really_call_realloc): Define.
1374 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1376 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1378 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1380 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1382 * configure: Rebuilt.
1383 * configure.in: Only use `lang_requires' for languages athat are
1386 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1388 * invoke.texi: Fix typo.
1389 * gcc.1: Regenerate.
1391 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1393 * configure.in: Prune nonexistent files from build_xm_file,
1394 xm_file, and host_xm_file lists. Warn unless they're
1396 Don't generate *config.h here.
1397 AC_SUBST all variables needed to generate *config.h.
1398 * configure: Regenerate.
1399 * mkconfig.sh: New helper script, from code removed from
1401 * Makefile.in: Zap all MALLOC variables - no longer used
1402 anywhere, and malloc.c doesn't exist.
1403 Substitute in variables needed to generate *config.h.
1404 Stop lying about the dependencies contained in CONFIG_H and
1406 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1407 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1408 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1409 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1410 $(TM_P_H), etc. as appropriate.
1412 * config.gcc: Zap references to deleted files.
1413 * ggc-none.c: Don't include rtl.h or tm_p.h.
1415 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1416 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1417 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1418 config/i386/xm-linux.h, config/i386/xm-linux.h,
1419 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1420 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1421 Don't include i386/xm-i386.h.
1423 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1424 config/i386/xm-i386.h, config/i860/xm-i860.h,
1425 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1426 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1427 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1428 Delete (empty except comments, #includes of other deleted
1429 files, and macros used nowhere).
1431 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1433 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1434 independent on TARGET_FLAGS.
1436 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1438 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1440 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1442 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1444 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1445 LAST_REX_SSE_REG): define.
1446 (enum reg_class): Add 'LEGACY_REGS'
1447 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1448 (SSE_REGNO_P): Recognize extended registers.
1449 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1450 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1451 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1452 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1453 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1454 REG_OK_FOR_STRREG_P): Remove.
1455 (HI_REGISTER_NAMES): Add extended registers.
1456 (ADDITIONAL_REGISTER_NAMES): Likewise.
1457 (QI_REGISTER_NAMES): Add 8bit extended registers.
1458 (DEBUG_REG): Support extended registers.
1459 * i386.c (regclass_map): Add extended registers.
1460 (dbx_register-map): Likewise.
1461 (svr4_dbx_register_map): Likewise.
1462 (print_reg): Support extended registers.
1463 (print_operand): Support 64bit operands.
1465 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1467 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1468 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1469 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1470 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1471 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1472 STACK_BOUNDARY): Set properly for 64bits.
1473 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1474 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1475 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1476 (MOVE_MAX): Set to 16.
1477 (MOVE_MAX_PIECES): 8 for 64bit.
1478 (Pmode): Set to SImode.
1480 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1482 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1484 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1486 * i386.h (mask_64bit): New constant.
1487 (target_64bit): New macro.
1488 (target_options): Add '64'/'32'
1489 (target_default): Define.
1490 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1491 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1492 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1494 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1496 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1498 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1500 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1501 LO_SUM unless for_alias is set.
1503 2001-03-08 Stan Shebs <shebs@apple.com>
1505 * objc/objc-act.c: Fix old typos in comments, add comments for
1507 (hash_init): Fix file name in error message.
1508 (hash_enter): Ditto.
1509 (hash_add_attr): Ditto.
1510 (continue_class): Ditto.
1512 2001-03-08 Bruce Korb <bkorb@gnu.org>
1514 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1515 wait4() can receive the signal.
1517 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1519 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1521 * fixinc/fixincl.x: Regenerate.
1523 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1525 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1527 * fixinc/fixincl.x: Regenerate.
1529 2001-03-08 Richard Henderson <rth@redhat.com>
1531 * configure.in (HAVE_AS_LEB128): New assembler check.
1532 * configure, config.in: Rebuilt.
1534 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1536 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1539 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1542 references to the MAXPATHLEN macro.
1544 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1545 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1548 * config/i386/xm-gnu.h, config/xm-gnu.h,
1549 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1550 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1551 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1552 and/or unused files.
1554 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1555 doing so in various xm-*.h files.
1557 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1559 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1561 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1563 * configure.in (enable_shared): Support per-package shared-library
1565 * configure: Rebuilt.
1567 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1569 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1570 for crnot. Set operands[5] in splitter.
1572 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1574 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1575 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1576 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1577 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1578 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1579 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1580 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1583 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1584 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1585 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1586 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1587 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1588 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1589 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1590 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1591 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1592 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1593 Delete unused and/or empty files.
1595 * config.gcc: Define USG in xm_defines as appropriate. Define
1596 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1597 macro. Remove deleted xm-* files from $xm_files variable.
1599 2001-03-07 Tom Tromey <tromey@redhat.com>
1601 * configure: Rebuilt.
1602 * configure.in: Allow config-lang.in to set `lang_requires' to list
1603 of other required languages.
1605 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1607 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1609 (output_prologue): Use xmalloc not oballoc.
1610 (output_epilog): Free a29k_first_epilogue_insn when finished.
1611 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1613 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1615 * builtins.c (expand_builtin_mathfn): Check
1616 flag_unsafe_math_optimizations, not flag_fast_math.
1617 (expand_builtin): Likewise
1618 * combine.c (combine_simplify_rtx): Likewise.
1619 (simplify_if_then_else): Likewise.
1620 * cse.c (fold_rtx): Likewise.
1621 * flags.h: Remove flag_fast_math. Add
1622 flag_unsafe_math_optimizations and flag_trapping_math.
1623 * fold-const.c (negate_expr): Check
1624 flag_unsafe_math_optimizations, not flag_fast_math.
1625 (invert_truthvalue): Likewise.
1626 (fold): Likewise. Before associating operands, check that
1627 code == MULT_EXPR, not code != MULT_EXPR.
1628 * ifcvt.c (noce_try_minmax): Check
1629 flag_unsafe_math_optimizations, not flag_fast_math.
1630 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1631 * invoke.texi: Document -funsafe-math-optimizations and
1632 -fno-trapping-math. Change documentation for -ffast-math.
1633 * jump.c (reversed_comparison_code_parts): Likewise.
1634 (rtx_equal_for_thread_p): Likewise.
1635 * optabs.c (emit_conditional_move): Likewise.
1636 * simplify-rtx.c (simplify_binary_operation): Likewise.
1637 (simplify_relational_operation): Likewise.
1638 (simplify_ternary_operation): Likewise.
1639 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1640 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1641 Add trapping-math and unsafe-math-optimizations entries to f_options.
1642 (set_fast_math_flags): New, sets flags for -ffast-math.
1643 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1644 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1645 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1647 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1648 (alpha_emit_conditional_move): Initialize local_fast_math to
1649 flag_unsafe_math_optimizations, not flat_fast_math.
1650 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1651 instead of setting flag_fast_math to 1.
1652 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1654 * config/i386/i386.c (override_options): Likewise
1655 * config/i386/i386.md: Likewise.
1656 * config/m68k/m68k.md: Likewise.
1657 * config/mips/mips.md: Likewise.
1658 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1659 (rs6000_generate_compare): Likewise.
1661 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1663 * Makefile.in: Set RANLIB to @RANLIB@.
1666 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1668 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1669 * fixinc/fixincl.x: Regenerated.
1671 2001-03-07 Richard Henderson <rth@redhat.com>
1673 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1675 2001-03-07 Richard Henderson <rth@redhat.com>
1677 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1678 of block notes and exception handling notes.
1680 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1681 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1682 (compile_file): ... here.
1684 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1686 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1688 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1689 config.h now. Include libiberty.h to handle alloca.
1691 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1693 * c-parse.in (yylexname): New function, split out of _yylex.
1694 (objc_rid_sans_at): New table.
1695 (init_reswords): Initialize it.
1696 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1697 retrieving the next token and checking it for significance as
1698 an ObjC keyword or string constant.
1700 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1701 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1703 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1706 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1708 * config/m68k/m68k.c (const_uint32_operand): Accept any
1709 const_int on a 32-bit host.
1711 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1713 * objc/objc-act.c (init_objc): Set save_lang_status,
1714 restore_lang_status, and mark_lang_status.
1716 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1718 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1720 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1722 * cppinternals.texi: Update.
1724 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1726 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1727 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1728 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1729 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1730 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1731 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1732 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1733 config/i386/xm-i386.h, config/i860/xm-i860.h,
1734 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1735 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1736 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1737 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1738 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1739 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1740 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1741 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1742 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1743 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1744 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1745 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1746 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1747 match the defaults provided in hwint.h.
1749 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1750 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1752 * config.gcc (xm_file): Don't set to files which are deleted.
1754 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1755 guard this file against these macros being undefined.
1757 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1759 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1760 and DECL_DEFER_OUTPUT on the decl we create, before calling
1761 rest_of_decl_compilation.
1763 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1765 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1767 * configure, config.in: Regenerate.
1768 * config.gcc: Remove references to deleted files.
1770 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1771 genrecog.c, rtl.c: Do not use alloca anywhere.
1773 * Makefile.in, build-make, system.h, config/x-interix,
1774 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1775 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1776 config/arc/xm-arc.h, config/arm/xm-arm.h,
1777 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1778 config/h8300/xm-h8300.h, config/i370/x-oe,
1779 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1780 config/i386/x-ncr3000, config/i386/x-sco5,
1781 config/i386/xm-dgux.h, config/i860/x-sysv4,
1782 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1783 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1784 config/m68k/x-hp320g, config/m69k/x-mot3300,
1785 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1786 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1787 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1788 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1789 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1790 config/mips/x-iris, config/mips/x-iris3,
1791 config/mips/x-sni-svr4, config/mips/x-sysv,
1792 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1793 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1794 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1795 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1796 config/pa/xm-papro.h, config/romp/xm-romp.h,
1797 config/rs6000/x-aix31, config/rs6000/x-aix41,
1798 config/rs6000/x-beos, config/rs6000/x-lynx,
1799 config/rs6000/x-mach, config/rs6000/x-rs6000,
1800 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1801 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1802 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1803 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1804 config/vax/xm-vms.h: Eradicate all references to alloca and
1807 * config/xm-alloca.h, config/clipper/x-clix,
1808 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1809 config/i860/x-sysv3, config/m88k/x-sysv3,
1810 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1811 (contained only alloca related hacks).
1813 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1816 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1818 * invoke.texi: Document __FAST_MATH__.
1820 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1822 * crtstuff.c: Restore include of auto-host.h.
1824 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1826 Put main() in a separate file, so that the language
1827 front-end can use a different main().
1830 * toplev.c: (main): Rename as toplev_main.
1831 * toplev.h: Declare toplev_main.
1832 * Makefile.in (OBJS): add toplev.o.
1833 (BACKEND): remove toplev.o, add main.o.
1835 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1837 * cppfiles.c (search_from): Special case the empty string.
1839 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1841 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1842 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1843 strlen or strcpy; we already know the length.
1844 (_cpp_compare_file_date): Similarly.
1845 * cpphash.h (struct cpp_reader): Delete done_initialising.
1846 (CPP_PREV_BUFFER): Delete.
1847 * cppinit.c (cpp_start_read): Don't set done_initialising.
1848 * cpplex.c (parse_string): Guarantee null-termination.
1849 (_cpp_equiv_toklists): Remove.
1850 * cpplib.c (glue_header_name): Null-terminate.
1851 (do_line): Don't leak memory.
1852 * cpplib.h (BT_WEAK): Delete.
1853 * cppmain.c (cb_ident): Strings are now null-terminated.
1855 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1857 * gcc.c (convert_filename): Append executable suffix
1858 if NO_AUTO_EXE_SUFFIX is not defined.
1859 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1860 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1862 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1864 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1865 * c-parse.gperf, c-gperf.h: Delete.
1866 (c-gperf.h was accidently re-added to the CVS repo in the rev
1867 1.16 commit by tromey)
1869 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1871 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1872 macro arguments when looking for the '('.
1873 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1874 2 when really parsing arguments; 1 when looking for '('.
1875 Always restore the lexer position.
1877 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1879 * longlong.h (umul_ppmm): Don't use a multiline string.
1881 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1883 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1884 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1885 t_bool in declaration because pcc can't combine volatile with typedef
1888 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1890 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1891 until when it is really needed.
1892 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1893 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1894 * i386.md (float?i?f splitter): Don't force source operand to memory
1896 (sse_movdfcc): Fix constraint.
1897 (sse_movdfcc splitter): Handle properly the second alternative.
1899 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1901 * cpplex.c (parse_string): Unconditionally pedwarn.
1903 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1906 * cppexp.c (parse_number): Update.
1907 * cpplex.c (parse_string): Pedwarn if multiline string does not
1908 result from a system header's macro.
1909 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1910 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1911 for function-like macros too.
1912 * c-lex.c (lex_number): Update.
1914 2001-03-03 Richard Henderson <rth@redhat.com>
1916 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1918 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1920 * combine.c (try_combine): If split with mode-changed scratch
1921 register didn't work, try the original mode.
1923 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1925 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1926 * config/c4x/c4x.h: Likewise.
1927 * stor-layout.c (compute_record_mode): Likewise.
1928 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1930 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1932 * configure.in: Kill tm.h. Include the files in the $tm_file
1933 list in all three of config.h, hconfig.h, tconfig.h, after the
1934 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1935 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1936 * configure: Regenerate.
1937 * Makefile.in (clean): Don't delete tm.h.
1939 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1940 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1941 those are not defined, set SEC and FEC to 0 and 1.
1942 * gcc.texi: Update to match.
1944 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1945 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1946 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1947 Include tconfig.h, not tm.h.
1949 * config/xm-lynx.h, config/xm-std32.h,
1950 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1951 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1952 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1953 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1954 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1955 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1956 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1957 config/i386/xm-i386.h, config/i860/xm-i860.h,
1958 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1959 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1960 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1961 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1962 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1963 config/pa/xm-linux.h, config/pa/xm-pa.h,
1964 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1965 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1966 config/pj/xm-pj.h, config/romp/xm-romp.h,
1967 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1968 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1969 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1970 config/v850/xm-v850.h, config/vax/xm-vax.h,
1971 config/we32k/xm-we32k.h:
1973 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1975 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1976 config/i370/xm-oe.h: Don't include tm.h. Don't define
1978 * config/vax/xm-vms.h: Don't include tm.h.
1980 * config/xm-lynx.h, config/avr/xm-avr.h,
1981 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1982 Delete; made empty by above changes.
1983 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1984 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1985 Don't include config/xm-lynx.h or tm.h.
1987 * config/xm-gnu.h: Don't include fcntl.h.
1988 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1990 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1992 2001-03-02 Richard Henderson <rth@redhat.com>
1994 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1995 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1997 2001-03-02 Richard Henderson <rth@redhat.com>
1999 * Makefile.in (OBJS): Add dwarf2asm.o.
2000 * dwarf2asm.c, dwarf2asm.h: New files.
2001 * dwarf2out.c (*): Use them.
2002 (size_of_uleb128, size_of_sleb128): Remove.
2003 (output_uleb128, output_sleb128): Remove.
2004 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2005 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2006 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2007 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2008 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2009 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2010 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2011 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2012 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2013 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2014 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2015 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2016 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2017 (dwarf2out_frame_debug): Remove unused variables.
2018 (output_loc_operands): Don't abort on 8 byte constants if
2019 host integers are wide enough.
2020 (output_symbolic_ref): Remove.
2021 (size_of_die): Don't assume 4 byte host integers.
2022 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2024 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2025 something stupid with HOST_WIDE_INT to long truncation.
2026 [CONST_DOUBLE]: Likewise.
2028 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2029 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2030 * config/arm/unknown-elf.h: Likewise.
2031 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2032 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2033 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2034 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2035 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2036 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2037 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2038 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2039 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2040 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2041 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2042 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2044 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2046 * cselib.c (hash_rtx): Cast enums to unsigned int.
2048 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2050 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2051 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2053 * c-format.c (C_STD_VER): Cast to int for comparisons.
2054 (check_function_format): Cast various enums to int for &.
2055 (maybe_read_dollar_number): Likewise.
2056 (check_format_info): Likewise.
2057 (check_format_info_main): Likewise.
2058 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2059 (safe_from_p): Likewise.
2060 * varasm.c (const_hash): Cast enum to int for %.
2061 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2062 pcc enum problems with < and ++ operators.
2063 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2064 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2065 (regclass_init): Change enum class to int to iterate over reg_classes.
2066 * genrecog.c (merge_trees): Cast enums for comparison.
2067 * rtl.h (GET_CODE): Cast to enum rtx_code.
2068 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2069 (GET_MODE): Cast to enum machine_mode.
2070 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2071 (GET_NOTE_INSN_NAME): Cast enum to int.
2072 * tree.h (TREE_CODE): Cast to enum tree_code.
2073 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2074 * timevar.c (timevar_print): Change loop variable id from enum to
2076 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2077 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2078 * toplev.c (compile_file): Cast enum DFI to int.
2079 (decode_d_option): Likewise.
2081 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2083 * cppinit.c (append_include_chain): Mark "after" include file name list
2084 as a system directory.
2085 * cpp.texi: Document new behavior.
2087 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2089 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2091 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2093 * cppfiles.c (struct include_file): Update.
2094 (stack_include_file): Use search_from.
2095 (cpp_included, find_include_file): Update.
2096 (cpp_execute_include): Update. ptr->name may not be
2097 null terminated. Use the new search_from member variable
2099 (_cpp_compare_file_date): Similarly.
2100 (search_from): New function, similiar to actual_directory.
2101 (actual_directory): Delete.
2102 (remap_filename): Update. loc->name may not be null terminated.
2103 (struct file_name_list): Rename search_path. Update.
2104 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2105 search_from and dir.
2106 (struct cpp_reader): Remove actual_dirs.
2107 * cppinit.c (struct cpp_pending): Update for renamed objects.
2108 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2109 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2110 * cpplib.h (struct cpp_options): Similarly.
2112 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2114 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2115 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2116 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2117 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2118 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2119 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2120 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2121 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2122 config/i370/xm-oe.h, config/i386/xm-aix.h,
2123 config/i386/xm-i386.h, config/i386/xm-osf.h,
2124 config/i860/xm-i860.h, config/i960/xm-i960.h,
2125 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2126 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2127 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2128 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2129 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2130 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2131 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2132 config/pj/xm-pj.h, config/romp/xm-romp.h,
2133 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2134 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2135 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2136 config/v850/xm-v850.h, config/vax/xm-vax.h,
2137 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2138 Do not define TRUE or FALSE.
2140 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2141 empty by above change.
2142 * config.gcc: Remove references to these files.
2144 * configure.in: Detect stdbool.h.
2145 * configure, config.in: Regenerate.
2146 * system.h: Include stddef.h here if available.
2147 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2148 Then set up a sensible boolean type at the very end.
2150 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2151 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2153 * hash.h: Delete 'boolean' typedef and related #undefs.
2155 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2156 all uses of 'boolean' with 'bool'.
2158 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2160 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2161 * cppexp.c (lex): Cast enums for comparison.
2162 * cppinit.c (parse_option): Cast enum for comparison.
2163 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2164 (cpp_output_token): Likewise.
2165 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2166 (cpp_avoid_paste): Cast enums for minus and comparison.
2168 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2170 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2171 field to all array elements.
2173 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2175 * cpphash.h (struct cpp_reader): Add print_version field.
2176 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2177 just set print_version and other flags as appropriate.
2178 (cpp_post_options): Print version here if print_version is set.
2180 * toplev.c (exit_after_options): New flag.
2181 (independent_decode_option): Don't exit here; just set
2183 (main): Exit after calling lang_hooks.post_options if
2184 exit_after_options is true.
2186 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2187 (merge_include_chains): Adjust comment to match code.
2189 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2191 * stringpool.c (set_identifier): New function.
2192 * tree.h: Prototype it.
2194 * c-parse.in: Kill D_YES. If compiled for objc, call
2195 save_and_forget_protocol_qualifiers from init_reswords.
2196 * objc/objc-act.c (remember_protocol_qualifiers,
2197 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2198 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2200 (save_and_forget_protocol_qualifiers): New function.
2201 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2203 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2205 * c-semantics.c (prune_unused_decls): Return error_mark_node
2206 instead of (tree) 1 to stop traversing the tree chain.
2208 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2210 Fix a problem introduced by Kenner's Feb 18 change.
2211 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2212 flag_cse_skip_blocks only temporarily, not for ever.
2214 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2216 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2217 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2219 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2220 before determining its register class.
2222 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2224 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2225 from reg 4 if current_function_calls_setjmp.
2226 (gen_nop_type): New function.
2227 (ia64_emit_nops): New function.
2228 (ia64_reorg): Call it.
2229 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2231 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2232 code not to try to optimize adds with anything but a REG destination.
2234 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2235 (INSN_PRIORITY_KNOWN): New accessor macro.
2236 * haifa-sched.c (priority): Use it instead of testing priority against
2239 2001-02-28 DJ Delorie <dj@redhat.com>
2241 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2242 since that doesn't work the way gcc wants on a generic m68k.
2244 2001-02-28 Richard Henderson <rth@redhat.com>
2246 * caller-save.c (save_call_clobbered_regs): Fix typo in
2247 comparison last change.
2249 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2251 * i386.c (pentium4_cost): New.
2252 (m_PENT4): New macro.
2253 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2254 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2255 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2256 x86_memory_mismatch_stall): Add Pentium4
2257 (x86_use_q_reg, x86_use_any_reg): Kill.
2258 (override_options): Add pentium4.
2259 (incdec_operand): Return 0 for pentium4.
2260 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2261 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2262 (TARGET_PENTIUM4): Define.
2263 (enum processor_type): Add PROCESSOR_PENTIUM4.
2264 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2265 * i386.md (attribute "cpu"): Add pentium4.
2266 * invoke.texi (march): Add pentium4.
2268 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2270 * i386.md (sse_mov?fcc*): New patterns and splitters.
2271 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2272 the SSE based conditional moves.
2274 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2276 * i386.md (attribute mode): Add "TI".
2277 (movsf_1): Add pxor support; remove constant propagation splitter.
2278 (movdf_integer): Likewise.
2279 (movdf_nointeger): Likewise.
2280 (movxf constant prop splitter): Handle all modes; update for SSE.
2281 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2282 * i386.c (standard_80387_constant_p): Rewrite.
2283 (standard_sse_constant_p): New.
2284 * i386-protos.h (standard_sse_constant_p): New.
2286 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2288 * i386.md (sse_setccsf, sse_setccdf): New.
2289 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2291 * i386.c (sse_comparison_operator): Accept the supported unordered
2292 comparses; be ready for fast_math.
2293 (print_operand): Support 'D'.
2295 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2297 * jump.c (reversed_comparison_code): Kill.
2299 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2301 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2304 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2306 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2307 add missing '%' in constraints.
2309 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2311 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2312 for HOST_BITS_PER_WIDE_INT == 32 too.
2314 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2316 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2318 (insert_save, insert_restore): New parameter save_mode.
2319 (init_caller_save): Update initialization of reg_save_code
2320 and reg_restore_code.
2321 (save_call_clobbered_regs): Compute save_modes and update calls to
2322 reg_save_code and reg_restore_code.
2323 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2324 of spill; update use of reg_restore_code.
2325 (insert_save): Likewise.
2326 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2327 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2328 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2330 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2332 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2333 noce_try_store_flag_inc, noce_try_store_flag_mask,
2334 noce_try_cmove_arith):
2335 Use reversed_comparison_code instead of reverse_comparison and
2336 can_reverse_comparison_p.
2338 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2340 * jump.c (reversed_comparison_code_parts): Allow reversal of
2341 unordered compares in -ffast-math mode; reverse ordered compares
2342 for FP even w/o -ffast-math.
2344 2001-02-27 Richard Henderson <rth@redhat.com>
2346 * print-rtl.c (print_rtx) [i]: Don't print field five on
2347 NOTEs other than NOTE_INSN_DELETED_LABEL.
2349 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2351 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2352 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2354 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2356 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2357 even if walk_subtrees is 0.
2358 * c-semantics.c (prune_unused_decls): Return a non-null value to
2359 stop traversing the tree chain.
2361 2001-02-27 DJ Delorie <dj@redhat.com>
2363 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2364 register, *then* define it as the new CFA.
2366 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2368 * pa.c (override_options): Promote -fpic to -fPIC.
2369 (legitimize_pic_address): Simplify due to removal of
2370 small PIC as a code generation option.
2371 (secondary_reload_class): Similarly.
2372 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2373 (PRINT_OPERAND_ADDRESS): Similarly.
2374 * pa.md (various patterns): Similarly.
2375 (small pic lo_sum pattern): Remove.
2377 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2380 * md.texi (min, max): Document
2382 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2384 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2385 TARGET_PARTIAL_REG_DEPENDENCY.
2386 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2388 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2390 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2392 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2394 * mips.c (mips_make_temp_file): Fix thinko in last change.
2396 2001-02-26 Jason Eckhardt <jle@redhat.com>
2398 * combine.c (known_cond): Do not reverse the condition when
2399 SMAX/UMAX is being considered and the condition is for equality
2402 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2404 2001-02-26 Philip Blundell <philb@gnu.org>
2406 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2408 * config/arm/linux-elf.h: Remove historical relics related to
2409 above configurations.
2410 * config/arm/linux-oldld.h: Delete.
2411 * config/arm/linux-elf26.h: Delete.
2413 2001-02-26 Jason Merrill <jason@redhat.com>
2415 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2417 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2418 recognize a tentative definition. Lose obsolete code.
2420 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2421 variables unless necessary, either.
2423 2001-02-25 Richard Henderson <rth@redhat.com>
2425 * ifcvt.c (struct noce_if_info): Add test_bb.
2426 (noce_get_alt_condition): New.
2427 (noce_try_minmax, noce_try_abs): New.
2428 (noce_operand_ok): New.
2429 (noce_process_if_block): Use them.
2430 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2432 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2434 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2437 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2439 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2440 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2442 (mips_asm_file_end): Free temp_filename here.
2444 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2446 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2447 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2449 * config/i386/i386.md (movstrsi): Handle FAIL case.
2451 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2453 * cppinit.c (builtin_array): Update.
2454 (init_builtins): Flag builtins to warn if redefined or
2455 undefined. Define __GXX_WEAK as a normal macro.
2456 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2457 * cpplib.h (NODE_WARN): New flag.
2458 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2459 Handle __STDC__ as a builtin only on Solaris.
2460 (warn_of_redefinition): Renamed from check_macro_definition.
2461 Reverse sense of test. Always warn if NODE_WARN.
2462 (_cpp_create_definition): Use warn_of_redefinition. Flag
2463 any macro beginning with "__STDC_" to require a mandatory
2464 warning if redefined or undefined.
2466 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2468 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2469 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2470 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2471 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2472 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2473 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2474 Don't define any of:
2475 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2476 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2477 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2478 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2479 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2481 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2482 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2485 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2486 Delete now-empty file.
2488 * alpha/vms.h: Define NEED_ATEXIT here...
2489 * alpha/xm-vms.h: ...not here.
2491 * i386/cygwin.h: Don't define PARAMS.
2492 * mips/mips.c: Don't prototype mktemp. Don't define
2493 P_tmpdir. Use make_temp_file to create temporary files.
2494 Don't be clever and delete temporary files early.
2495 * config.gcc: Drop references to deleted files. Don't define
2497 * gcc.texi: Don't mention USE_PROTOTYPES.
2499 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2501 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2502 (ix86_set_move_mem_attrs_1): Likewise.
2503 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2504 * config/i386/i386.md (movstrsi): Call it.
2506 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2508 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2509 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2510 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2511 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2513 (i750a-*-*): Error here if hosting on i750a.
2514 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2516 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2517 Remove (empty modulo comments).
2519 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2520 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2521 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2522 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2523 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2524 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2526 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2527 Remove reference to winnt.h in comment.
2528 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2530 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2532 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2533 used to set another biv.
2535 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2537 * tree.h (BLOCK_DEAD): New macro.
2538 (struct tree_block): New flag, dead_flag.
2539 * print-tree.c (print_node, case 'b'): Print missing fields.
2540 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2541 * function.c (identify_blocks): Enable test for misplaced notes.
2542 (all_blocks): Skip BLOCK_DEAD blocks.
2543 * integrate.c (integrate_decl_tree): Likewise.
2545 * errors.c (internal_error, trim_filename): New functions.
2546 (fancy_abort): Call internal_error.
2547 * errors.h (internal_error, trim_filename): New declarations.
2549 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2551 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2553 (EXTRA_CONSTRAINT): Formatting changes.
2555 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2557 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2559 2001-02-23 Per Bothner <per@bothner.com>
2561 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2562 so they can be called from java/jvspec.c.
2563 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2565 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2567 * i386.c (ix86_frame): New structure.
2568 (ix86_compute_frame_size): Kill.
2569 (ix86_compute_frame_layout): New.
2570 (ix86_save_reg): New.
2571 (ix86_can_use_return_insn_p): Use frame layout stuff.
2572 (ix86_expand_prologue): Likewise.
2573 (ix86_expand_epilogue): Likewise.
2574 (ix86_initial_elimination_offset): Likewise.
2575 (ix86_nsaved_regs): Use ix86_save_reg.
2576 (ix86_emit_save_regs): Likewise.
2578 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2580 * flow.c (find_sub_basic_blocks): New function.
2581 (split_block): Be ready for basic block introduced by CODE_LABEL.
2582 (commit_one_edge_insertion): Call find_sub_basic_block.
2584 * flow.c (make_edges): Add edge from entry for blocks starting with
2585 label having ALTERNATE_NAME
2587 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2589 * function.c (epilogue_done): Be ready for first basic block not
2590 containing PROLOGUE_END note.
2591 (reposition_prologue_and_epilogue_notes): Avoid placing
2592 PROLOGUE_END note between BASIC_BLOCK.
2594 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2596 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2598 2001-02-21 DJ Delorie <dj@redhat.com>
2600 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2601 check for current_function_has_nonlocal_goto from 1999-11-12.
2603 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2605 * diagnostic.c (trim_filename): No longer static.
2606 * toplev.h (trim_filename): Declare.
2607 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2608 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2609 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2610 (rtvec_check_failed_bounds): Likewise.
2611 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2613 * convert.c (convert_to_integer): Don't do unsigned unless result or
2614 both inputs are unsigned.
2616 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2619 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2621 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2623 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2625 * Makefile.in (resource.o): Add params.h dependence.
2626 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2627 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2628 * resource.c: Add dependence on params.h.
2629 (current_live_regs): Fix explanatory comment.
2630 (find_basic_block): Add new parameter to permit limiting search
2632 (mark_target_live_regs): Add new argument to find_basic_block call.
2633 (incr_ticks_for_insn): Likewise.
2635 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2637 * diagnostic.c (output_to_stream): Rename to
2638 output_buffer_to_stream. Loses the stream parameter.
2639 (init_output_buffer): Set diagnosic_buffer's stream.
2640 (flush_diagnostic_buffer): Adjust.
2641 (default_print_error_function): Likewise.
2642 (finish_diagnostic): Likewise.
2643 (verbatim): Likewise.
2645 * diagnostic.h (struct output_buffer): Add `stream' field.
2646 (output_buffer_attached_stream): New macro.
2648 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2650 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2651 check if either operand is divisible by C.
2652 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2653 If type is signed, consider negative numbers as well.
2655 2001-02-22 Richard Henderson <rth@redhat.com>
2657 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2658 reach .text instead of gp-relative relocs.
2659 * config/ia64/crtend.asm (.init): Likewise.
2661 2001-02-22 Andreas Jaeger <aj@suse.de>
2663 * extend.texi (C++ Attributes): Fix typo.
2665 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2667 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2668 functions, drop current_function_args_info.words test.
2669 (ia64_compute_frame_size): Mark syscall_linkage functions as
2670 using eight input registers.
2672 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2673 Bruce Korb <bkorb@gnu.org>
2675 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2676 * fixinc/README: Document how to convert sed substitutions
2677 to format style c_fix-es.
2678 * fixinc/fixincl.x: regen
2680 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2682 * gcc.c: Add comment explaining how to add a command-line option.
2683 Add title to specs language comment.
2685 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2687 * gcc.c (cc1_options): Add "-param".
2688 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2689 (option_map): Likewise.
2690 * toplev.c (display_help): Add entry for "--param".
2691 (independent_decode_option): Fix typographical error.
2693 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2694 Bernd Schmidt <bernds@redhat.com>
2695 Jan Hubicka <jh@suse.cz>
2697 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2698 (function_arg): Likewise.
2700 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2702 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2704 2001-02-21 Kazu Hirata <kazu@hxi.com>
2706 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2710 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2712 * flow.c (init_propagate_block_info): Canon address and use single_set
2713 for killing dead memory stores.
2715 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2717 * Makefile.in (reorg.o): Add params.h dependence.
2718 * params.def: Fix typographical error in comment.
2719 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2720 * params.h: Modify introductory comment.
2721 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2722 * reorg.c: Add dependence on params.h.
2723 (redundant_insn): Add parameterized throttle for search.
2724 (fill_simple_delay_slots): Add a comment explaining a variable.
2725 Move conditional out of loop, simplifying code.
2726 (fill_eager_delay_slots): Fix typographical error in comment.
2728 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2730 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2732 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2733 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2735 2001-02-21 Jason Merrill <jason@redhat.com>
2737 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2738 (struct tree_decl): Add uninlinable bitfield.
2739 * c-decl.c (duplicate_decls): Set it.
2740 * integrate.c (function_cannot_inline_p): Check it.
2742 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2743 DW_AT_MIPS_linkage_name to abstract methods.
2744 (dwarf2out_abstract_function): Emit class context before calling
2745 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2746 (gen_subprogram_die): Remove obsolete code.
2747 (gen_member_die): Don't include clones in the member list.
2748 (gen_decl_die): Emit abstract info for clone origin.
2749 * dwarfout.c (output_type): Don't include clones in the member list.
2750 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2751 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2752 DECL_ABSTRACT on a function that already has it set.
2754 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2755 (get_subprogram_die): Pass it in.
2757 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2759 * flow.c (mark_set_1): Make not_dead unsigned long. For
2760 non-pseudos, use it as a bitmask of the hard regs that
2763 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2765 * cppfiles.c: Update comments.
2766 (_cpp_read_file): Don't check for NULL filenames any more.
2767 * cppinit.c (cpp_start_read): Don't do canonicalization of
2768 in_fname and out_fname. Use the passed file name exclusively.
2769 (_cpp_handle_options): Don't treat "-" as a command line option,
2770 but as a normal filename.
2771 (_cpp_post_options): Canonicalize in_fname and out_fname.
2772 * cppmain.c (printer_init): Don't check out_fname for NULL.
2773 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2774 (init_c_lex): Update, and use "" to represent stdin to CPP.
2777 2001-02-20 Will Cohen <wcohen@redhat.com>
2779 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2780 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2781 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2784 2001-02-20 Stan Shebs <shebs@apple.com>
2786 * config/rs6000/rs6000.c (output_cbranch): Output branches
2787 on separate lines instead of using ';' to separate.
2789 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2791 * cppinit.c (set_lang): Move builtin handling to...
2792 (init_builtins): ...here.
2793 (_cpp_create_reader): Move call to set_lang.
2795 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2797 * stmt.c (expand_return): If an attempt is made to return the
2798 error_mar_node, treat the return like a return without a value.
2800 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2802 * sibcall.c (skip_copy_to_return_value): Call
2803 identify_call_return_value here, and return orig_insn if it
2804 returns zero. Hardret and softret arguments now unnecessary.
2805 (call_ends_block_p): Don't call identify_call_return_value here.
2807 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2809 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2810 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2812 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2814 * pa.c (move_operand): Accept code to load the address of a
2815 symbol out of the DLT as a valid move operand.
2816 (print_operand, case 'A'): New to handle generating a DLT
2817 reference for a LO_SUM expression.
2818 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2819 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2821 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2823 * README, cpp.texi, gcc.texi, version.c: Update version number to
2825 * cpp.1, gcov.1, gcc.1: Regenerate.
2827 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2829 * cppfiles.c (stack_include_file): Generate dependencies
2830 here, and manage include_count here too.
2831 (PRINT_THIS_DEP): Delete.
2832 (_cpp_execute_include): Do not generate dependencies here,
2833 apart from the case of a missing header. Do not manage
2835 (_cpp_read_file): Leave dependency generation to
2838 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2840 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2841 target_cpu_default. Remove dead assignment to
2844 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2846 * regclass.c (contains_reg_of_mode): Make global.
2847 (init_reg_sets): Remove contains_reg_of_mode; take into account
2848 CLASS_MAX_NREGS when looking for the proper mode.
2849 (dump_regclass): Dump only classes considered for the pseudo.
2850 (regclass): Use contains_reg_of_mode.
2852 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2854 * gcc.c (do_spec_1): 'n' for printing notices.
2855 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2857 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2859 * reg-stack.c (next_flags_user): Use current_block->end
2860 (swap_rtx_condition): Look for next user if flags don't die;
2861 give up on CALL_INSNs; use current_block->end.
2863 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2865 * sibcall.c (call_ends_block_p): New function.
2866 (optimize_sibling_and_tail_recursive_call): Use it.
2868 2001-02-18 Kazu Hirata <kazu@hxi.com>
2870 * config/h8300/h8300.md: Update copyright.
2871 (andsi3): Do not output an extra newline character.
2873 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2875 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2876 FNDECL may be unused.
2878 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2879 follow jumps after first run.
2880 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2881 it doesn't change any jumps.
2883 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2885 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2886 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2887 (mostlyclean): Corresponding changes.
2888 * rtlanal.c (hard-reg-set.h): Include.
2889 (rtx_unstable_p): Do not treat the argument pointer specially
2890 if it is not a fixed register.
2891 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2893 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2895 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2896 against last real insn in basic block.
2897 Rework to avoid gotos.
2899 * Makefile.in (gcse.o): Now includes ggc.h.
2900 * gcse.c: Include ggc.h.
2901 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2902 (try_replace_reg): Remove warning of uninitialize variable.
2903 (process_insert_insn): Call invalid_insn_p to validate insn.
2904 * recog.c (insn_invalid_p): Now global.
2905 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2906 * recog.h (insn_invalid_p): New declaration.
2908 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2910 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2911 assignments from FP constants since 'Y' output code can't handle it.
2912 (eligible_for_sibcall_delay): Likewise.
2914 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2915 Call fancy_abort directly, passing args.
2916 (print_rtl_and_abort): Now a macro, like fancy_abort.
2918 * final.c (output_operand_lossage): Use internal_error, not error.
2920 2001-02-18 Shane Nay <shane@agendacomputing.com>
2922 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2923 structure shift insns.
2925 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2927 * invoke.texi (-fsquangle): Remove documentation.
2928 (-fname-mangling-version): Likewise.
2930 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2932 * optabs.c (expand_abs): Remove reference to
2933 HAVE_contitional_arithmetic.
2934 * combine.c (simplify_set): Likewise.
2936 2001-02-18 Richard Henderson <rth@redhat.com>
2938 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2941 2001-02-18 Richard Henderson <rth@redhat.com>
2943 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2945 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2947 * reload1.c (reload_cse_simplify_set): Fix typo.
2949 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2951 * diagnostic.c (_fatal_insn): Decrement errorcount.
2953 * invoke.texi (-I): Add note avoiding use for system header files.
2955 * rtl.h (add_clobbers): Remove duplicate declaration.
2956 * recog.h (added_clobbers_hard_reg_p): New declaration.
2957 * genemit.c (struct clobber_pat): New field has_hard_reg.
2958 (gen_insn): Record if added clobbers clobber hard reg.
2959 (gen_split): Avoid unused warning if number of operands is 0.
2960 (output_added_clobbers_hard_reg_p): New function.
2963 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2965 * pa.c (hppa_expand_prologue): Simplify code storing return
2966 pointer. For large (>=8k) frames with a post_store, adjust stack
2967 pointer by 8k-64 first rather than by 64. When testing with
2968 VAL_14_BITS_P, always use the actual value rather than the value
2969 negated. Add blockage to prevent scheduling of spills before
2970 stack frame has been created.
2971 (hppa_expand_epilogue): Simplify code loading return pointer.
2972 Allow a slightly larger range for merge_sp_adjust_with_load case.
2973 When testing with VAL_14_BITS_P, always use the actual value.
2975 * pa.c (pa_adjust_insn_length): Check that block move
2976 pattern is a set before looking at operands.
2978 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2980 * fold-const.c (fold_binary_op_with_conditional_arg): New
2981 function, split out from ...
2983 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2984 conditional arms that throw exceptions.
2986 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2989 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2992 define HAVE_DECL_* to 1 to mask potential backup declarations.
2993 * configure: Regenerated.
2995 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2997 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2999 2001-02-17 Richard Henderson <rth@redhat.com>
3001 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3002 when replacing a memory load with a register.
3004 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3005 Jan Hubicka <jh@suse.cz>
3007 * recog.c (validate_replace_src_1): New.
3008 (validate_replace_src_data): Likewise.
3009 (validate_replace_src): Use note_uses.
3010 * rtl.h (note_uses): Declare.
3011 * rtlanal.c (note_uses): New.
3013 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3015 * reg-stack.c (stack_def): Make field reg unsigned.
3016 (remove_regno_note): Unsignetize parameter.
3018 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3020 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3021 shladd_operand() call.
3023 2001-02-16 Bruce Korb <bkorb@gnu.org>
3024 Rodney Brown <RodneyBrown@mynd.com>
3026 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3027 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3028 machine restrictions
3029 * fixinc/fixincl.x: regen
3031 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3033 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3035 (hash_scan_insn): Clean up calls to hash_scan_set.
3036 (compute_kill_rd): REGNO now unsigned.
3037 (try_replace_reg): Rework to use simplify_replace_rtx.
3038 (cprop_jump, cprop_cc0_jump): Likewise.
3039 (cprop_insn): Call find_reg_equal_equiv_note.
3040 Reflect changes to cprop_jump and cprop_cc0_jump.
3042 * recog.c (validate_replace_src): Replace in operands of
3043 ZERO_EXTRACT in SET_DEST.
3045 * cse.c (new_label_ref): New variable.
3046 (insert): Set it instead of recorded_label_ref.
3047 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3048 CODE_LABEL for this function, and not already in REG_LABEL note.
3050 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3052 * resource.c (mark_referenced_resources): Fix typo in introductory
3054 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3057 2001-02-16 Jason Merrill <jason@redhat.com>
3059 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3061 (gen_subprogram_die): Don't abort on seeing a second definition if
3062 the previous one was abstract. Don't replace an abstract instance
3063 in the lookup table.
3065 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3066 gen_abstract_function.
3067 * dwarf2out.h: Declare it.
3068 * toplev.c (note_outlining_of_inline_function): New fn.
3069 * toplev.h: Declare it.
3070 * integrate.c (output_inline_function): Call it.
3071 * c-decl.c (duplicate_decls): Call it when redefining an extern
3072 inline. Don't inline the new defn.
3074 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3076 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3078 * .gdbinit: Rename to gdbinit.in.
3079 * gdbinit.in: New file,
3080 * configure.in: Generate .gdbinit from gdbinit.in.
3081 * configure: Regenerated.
3082 * Makefile.in (distclean): Always remove .gdbinit.
3084 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3086 * objc/objc-act.c (start_class): Register implemented_classes with
3089 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3091 * cppfiles.c (_cpp_make_system_header): Generate a file
3094 2001-02-15 Jim Meyering <meyering@lucent.com>
3096 * Makefile.in (install-common): Don't depend on installdirs here.
3097 Instead, make each of the lang.install-common targets (e.g.,
3098 c++.install-common in cp/Make-lang.in) depend on it.
3099 (install-driver): Depend on installdirs.
3101 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3103 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3105 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3108 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3110 * invoke.texi (--param): Document.
3112 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3114 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3116 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3118 * i386.md (extendsfdf2_2): Fix constraints.
3120 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3122 * i386.md (fop_df_3 splitter): Fix operand number.
3124 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3126 * invoke.texi (-mreg-alloc): Nuke.
3127 * i386.c (ix86_reg_alloc_order, regs_allocated,
3128 order_regs_for_local_alloc): Nuke.
3129 (override_options): Kill reg_alloc code.
3130 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3131 (REG_ALLOC_ORDER): SSE goes before I387.
3132 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3133 (ix86_reg_alloc_order): Likewise.
3134 * i386-protos.h (ix86_reg_alloc_order): Kill.
3136 2001-02-14 Richard Henderson <rth@redhat.com>
3138 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3140 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3142 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3144 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3146 * i386-protos.h (ix86_memory_move_cost): Move offline.
3147 * i386.c (ix86_register_move_cost): Compute properly cost of
3148 SSE, MMX and i387 instructions.
3149 (*_cost): Add costs of SSE/MMX moves.
3150 (ix86_memory_move_cost): Move offline from ....; Likewise.
3151 * i386.h (MEMORY_MOVE_COST): .... here;
3152 (struct processor costs): Add new fields to represent costs
3155 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3157 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3158 move_cost together with Matt Kraai's fix.
3160 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3162 * Makefile.in (OBJS): Add params.o.
3164 2001-02-14 Richard Henderson <rth@redhat.com>
3165 DJ Delorie <dj@redhat.com>
3167 * jump.c (jump_optimize_1): When we delete a conditional jump
3168 preceeding a non-conditional jump to effectively the same place,
3169 make sure that the combined jump skips any clobber insns between
3172 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3174 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3176 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3178 * Makefile.in (toplev.o): Depend on params.h.
3179 (intergate.o): Likewise.
3180 (params.o): New target.
3181 * flags.h (inline_max_insns): Remove.
3182 * integrate.c: Include params.h.
3183 Use MAX_INLINE_INSNS instead of inline_max_insns.
3184 * params.c: New file.
3185 * params.h: Likewise.
3186 * params.def: Likewise.
3187 * toplev.c: Include params.h.
3188 (lang_independent_params): New variable.
3189 (decode_f_option): Use the param machinery instead of setting
3191 (independent_decode_option): Handle "--param name=value".
3192 (main): Register language-independent parameters.
3194 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3196 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3198 2001-02-14 Richard Henderson <rth@redhat.com>
3200 * regclass.c (init_reg_sets_1): Revert last two changes.
3202 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3204 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3205 (variable_size): Call put_pending_size.
3206 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3207 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3208 sizes list, put newly created SAVE_EXPR there as well.
3210 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3212 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3213 (errata_find_address_regs): load_group has only 2 entries.
3214 (errata_emit_nops): Likewise. shladd is not problematic.
3215 Clear last_group if nop was emitted.
3216 (fixup_errata): load_group has only 2 entries.
3219 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3221 * c-lex.c (lex_number): Only warn traditionally for U suffix
3222 outside system macros.
3223 * cppexp.c (parse_number): Similarly.
3224 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3225 * cppmacro.c (struct cpp_macro): New member node.
3226 (parse_args): Only warn about missing rest args if not
3228 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3229 (cpp_sys_objmacro_p): New.
3230 (_cpp_create_definition): Store the node with the macro defn.
3231 Remember if the macro is defined in a system header.
3233 2001-02-13 DJ Delorie <dj@redhat.com>
3235 * configure.in (check_languages): determine languages to check
3236 * Makefile.in (check-c++): alias for check-g++
3237 (check-f77): alias for check-g77
3238 (CHECK_TARGETS): depend on configured languages
3240 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3242 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3243 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3244 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3245 (sqrtextendsfdf2): Disable for SSE2.
3247 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3249 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3250 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3251 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3252 (sqrtextendsfdf2): Disable for SSE2.
3254 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3256 * i386.md (movsfcc_1): Support integer cmove instruction.
3257 (movdfcc_1): Likewise; new splitter.
3259 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3261 * i386.c (output_fp_compare): Support SSE.
3262 (prepare_fp_compare_args): SSE comparisons always support memory.
3263 * i386.h (TARGET_CMOVE): SSE imply cmove.
3264 * i386.md (cmp?f2): Enable for SSE too.
3265 (cmpfp_i*): Support SSE.
3267 (cmpfp_i_sse_only): New.
3268 (s*, b* fp expanters): Enable for SSE too.
3269 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3272 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3274 * regclass.c (init_reg_sets_1): Silence warning.
3276 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3278 * i386.md (sqrt?f2): Change to expander.
3279 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3281 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3283 * rtlanal.c (find_reg_equal_equiv_note): New function.
3284 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3285 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3286 * rtl.h: Add declarations for above functions.
3288 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3290 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3292 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3293 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3294 * flow.c (mark_regs_live_at_end): Likewise.
3295 (calculate_global_regs_live): Likewise.
3296 * gcse.c (compute_hash_table): Likewise.
3297 (compute_kill_rd): Likewise.
3298 * resource.c (mark_target_live_regs): Likewise.
3299 * rtl.h (INVALID_REGNUM): New macro.
3301 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3303 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3305 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3307 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3310 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3312 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3314 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3315 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3316 (fop_sf_1_sse, fop_df_1_sse): New patterns
3317 (fop_*): Disable float_extend and float patterns for SSE compilation.
3318 * i386.c (output_387_binary_op): Support SSE.
3320 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3322 * i386.md (dummy_extendsfdf2): Support SSE2
3323 (extendsfdf2): Enable if 80387 or SSE2.
3324 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3325 and no MIX_I387_SSE2
3326 (extendsfdf2_1_sse_only): New pattern.
3327 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3329 (truncdfsf2_1): Support SSE.
3330 (truncdfsf2_2): Support SSE.
3331 (truncdfsf2_2_1_sse): New pattern.
3332 (fixtruncsfsi2): Always use SSE if available.
3333 (fix_truncsfsi_sse): New pattern.
3334 (fix_truncdfsi_sse): New pattern.
3335 (floatsis?f2): Support SSE.
3336 (floatsidf2_i387): New pattern.
3337 (floatsidf2_sse): Likewise.
3339 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3341 * configure.in: Use "have_gnat" variable, not "gnat".
3342 * configure: Regenerated.
3344 * config/sparc/sparc.c (function_value): Treat all non-record
3345 aggregate types like used to treat UNION_TYPE.
3347 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3349 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3350 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3352 (MASK_MIX_SSE_I387): New.
3353 (TARGET_SSE): SSE2 imply SSE.
3354 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3355 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3356 (enum reg_class): Add new classes.
3357 (REG_CLASS_NAMES): Likewise.
3358 (REG_CLASS_CONTENTS): Likewise.
3359 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3360 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3361 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3362 (CLASS_MAX_NREGS): Use new macros.
3363 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3364 * i386.md (pushsf, movsf): Support SSE.
3365 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3366 splitters to use ANY_FP_REGNO_P.
3367 (movdf_nointeger, movdf_integer): Likewise.
3369 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3371 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3372 (try_combine): Use it.
3374 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3376 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3377 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3378 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3379 (REGISTER_MOVE_COST): Likewise.
3380 * i386-protos.h (ix86_secondary_memory_needed,
3381 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3382 * i386.c (ix86_secondary_memory_needed,
3383 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3385 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3387 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3388 (HARD_REGNO_MODE_OK): Move offline to ....
3389 * i386.c (ix86_hard_regno_mode_ok) ... here;
3390 refuse all incorrect modes.
3391 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3393 2001-02-13 Richard Henderson <rth@redhat.com>
3395 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3396 entire operator; replicate that and match_dup the operands.
3397 (cmp_ccx_arith_op_set): Likewise.
3398 (cmp_cc_arith_op_not_set): Likewise.
3399 (cmp_ccx_arith_op_not_set): Likewise.
3401 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3403 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3405 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3407 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3408 (TARGET_NO_BITFIELD_WORD): New macro.
3409 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3410 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3412 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3414 * cselib.c: New file, from simplify-rtx.c.
3415 * simplify-rtx.c: Remove cselib parts.
3416 * Makefile.in: Add cselib.o.
3418 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3420 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3421 (setup_incoming_varargs): Remove warning.
3423 * config/rs6000/rs6000.c (validate_condition_mode): When
3424 flag_fast_math, allow floating-point conditionals to be reversed.
3425 (rs6000_generate_compare): When flag_fast_math, don't generate
3426 cror operations for FP conditionals.
3428 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3430 (ASM_SPEC): Likewise.
3431 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3432 (CC1_SPEC): Likewise.
3433 (LINK_TARGET_SPEC): Likewise.
3434 (CPP_ENDIAN_SPEC): Likewise.
3435 * Makefile.in (check-consistency): New target.
3437 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3439 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3440 "return type defaults" warning for functions with return type
3442 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3443 function declarations by default rather than only when pedantic.
3445 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3447 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3450 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3452 * extend.texi (Deprecated): Deprecate new initializer lists.
3454 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3456 * mkdeps.c (deps_add_default_target): Robustify. Add
3457 basename component only.
3458 * cpp.texi (-M): Describe how default target is generated.
3459 * invoke.texi (-M): Likewise.
3461 2001-02-12 Kazu Hirata <kazu@hxi.com>
3463 * toplev.c (push_float_handler): Remove.
3464 (pop_float_handler): Remove.
3465 * toplev.h: Remove prototypes for the above functions.
3467 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3469 * c-common.c (constant_fits_type_p): New function.
3470 (convert_and_check): Use it.
3472 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3474 * Makefile.in (GXX_ABI_FLAG): Don't define.
3475 * configure.in (--enable-new-gxx-abi): Remove option.
3476 * config.in: Regenerated.
3477 * configure: Likewise.
3479 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3481 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3483 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3484 regular basic block, and arrange for all edges into it to switch
3487 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3489 * Makefile.in (distclean): Do not remove .gdbinit.
3491 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3493 * Makefile.in (gcc.o): Fix typos.
3494 (protize.o): Likewise.
3495 (unprotoize.o): Likewise.
3497 2001-02-11 Richard Henderson <rth@redhat.com>
3499 * tree.c (build1): Check for null operand in last change.
3501 2001-02-11 Richard Henderson <rth@redhat.com>
3503 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3504 (fold): Don't assume a constant isn't foldable.
3505 * tree.c (build): Set TREE_CONSTANT for an expression with no
3506 side-effects and constant operands.
3509 2001-02-10 Richard Henderson <rth@redhat.com>
3511 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3513 2001-02-10 Anthony Green <green@redhat.com>
3515 * cpp.texi (Standard Predefined): Add documentation for
3518 * c-common.c (combine_strings): Improve warning message.
3520 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3522 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3524 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3526 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3528 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3531 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3533 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3536 2001-02-09 Nick Clifton <nickc@redhat.com>
3538 * config/arm/arm.md: Change output contraint on post inc
3539 load/store multiple patterns to be a read/write contraint.
3541 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3543 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3544 .o files when using the -M options.
3546 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3547 David Edelsohn <edelsohn@gnu.org>
3549 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3550 handle DImode constants. Use one TOC entry for SImode and smaller
3551 constants, aligned properly.
3553 2001-02-08 Jason Merrill <jason@redhat.com>
3555 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3556 about the SP adjustment for saving the static chain pointer.
3557 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3558 offset when setting a temporary CFA register.
3560 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3562 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3563 powerpc-*-chorusos* .
3564 * config/rs6000/chorus.h : New file.
3565 * config/i386/chorus.h : New file.
3566 * config/sparc/chorus.h : New file.
3567 * config/sparc/t-chorus-elf : New file.
3569 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3571 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3572 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3573 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3574 (__WCHAR_TYPE__): Correct macro name.
3576 2001-02-08 Richard Henderson <rth@redhat.com>
3578 * config/i386/i386.c (ix86_frame_pointer_required): New.
3579 (ix86_setup_frame_addresses): New.
3580 (struct machine_funciton): Add accesses_prev_frame.
3581 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3582 ix86_frame_pointer_required.
3583 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3584 (SETUP_FRAME_ADDRESSES): New.
3585 * config/i386/i386-protos.h: Update.
3586 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3587 from FRAME_POINTER_REQUIRED.
3588 * config/i386/svr3gas.h: Likewise.
3589 * config/i386/sysv3.h: Likewise.
3590 * config/i386/v3gas.h: Likewise.
3592 2001-02-08 Richard Henderson <rth@redhat.com>
3594 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3595 calculation of the number of integer registers required.
3596 (function_arg_record_value): Likewise.
3598 2001-02-08 Jason Merrill <jason@redhat.com>
3600 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3601 two. Print file and line with "confused" message.
3603 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3605 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3607 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3609 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3611 * final.c (cleanup_subreg_operands): The address of a MEM can
3614 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3617 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3619 * gcc.texi (Incompatibilities): Update documentation of
3620 preprocessing numbers.
3622 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3624 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3626 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3628 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3630 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3631 * gcc.c (struct compiler): Add cpp_spec field.
3632 (input_file_compiler): New variable.
3633 (do_spec_1): Allow a particular compiler to handle `%C'
3635 (main): Store the current compiler in input_file_compiler.
3636 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3638 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3640 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3641 * cppinit.c (cpp_create_reader): Initialize them.
3642 (append_include_chain): cxx_aware arg might be unused.
3643 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3644 keywords and give them their phase 7 meaning. Pedwarn about
3645 this unless '__bool_true_false_are_defined' is defined.
3647 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3649 * lcm.c (optimize_mode_switching): Emit mode_set before the
3650 JUMP_INSN of an abnormal edge.
3652 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3654 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3655 a scheduling barrier at the end.
3657 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3659 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3661 * config/sh/sh.md (reload_outsf): Removed.
3662 (movsf_ie): Introduce constraints for FPUL loads and stores.
3663 (reload_insf): Broaden the output constraint.
3665 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3667 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3668 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3670 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3672 * final.c: Revert my previous changes.
3673 * output.h: Make profile_label_no extern.
3674 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3675 for generating label.
3677 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3679 * config/i386/djgpp.h: Add comments about standard paths.
3680 (MD_EXEC_PREFIX): Undefine before defining.
3681 (MD_STARTFILE_PREFIX): New.
3683 2001-01-30 Bruce Korb <bkorb@gnu.org>
3685 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3686 (load_file): do not rely on load_file_data() to close file pointer
3687 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3688 fixinc/inclhack.def(irix_limits_const): add test_text
3690 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3692 * cppexp.c (parse_defined): Improve diagnostics for invalid
3695 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3697 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3699 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3701 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3702 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3703 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3704 (rs6000_output_symbol_ref): New function.
3705 (output_toc): Use VTABLE_NAME_P.
3707 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3709 * print-tree.c (print_node, case PARM_DECL):
3710 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3712 * stor-layout.c (reference_types_internal): New variable.
3713 (internal_reference_types): New function.
3714 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3715 * tree.h (internal_reference_types): New declaration.
3717 * cse.c (find_best_addr): Fix typo in computing cost.
3719 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3721 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3722 and this is the sum of a pointer and a constant, we know the result
3724 (num_sign_bit_copies, case PLUS): Likewise.
3725 * explow.c (convert_memory_address): Remove opposite SUBREG.
3726 * function.c (instantiate_new_reg): New function (from common code).
3727 (instantiate_virtual_regs_1): Call it.
3728 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3729 if pointers sign- or zero-extend.
3730 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3731 If pointers extend unsigned, use inside of SUBREG.
3732 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3734 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3736 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3737 subdir of gcc_gxx_include_dir.
3738 (gcc_gxx_target_include_dir): Remove.
3740 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3742 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3743 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3744 a high-level description.
3746 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3748 * final.c: Move the declaration of profile_label_no to ...
3749 * output.h: ... here.
3750 * function.c (expand_function_start): Call PROFILE_HOOK.
3751 * config/rs6000/aix.h: Define PROFILE_HOOK.
3752 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3753 * config/rs6000/rs6000.c (output_profile_hook): Define.
3754 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3755 output_profile_hook.
3756 tm.texi : Explain new macro PROFILE_HOOK.
3758 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3760 * extend.texi (Extended Asm): Do not say that semicolon is always
3761 a valid line-breaking character for GNU assemblers. Use
3762 newline-tab as the most commonly supported syntax. Use
3763 newline-tab rather than semicolon in multi-insn examples.
3765 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3767 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3769 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3770 David Edelsohn <edelsohn@gnu.org>
3772 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3773 code for AIX, even without flag_pic.
3775 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3777 * c-typeck.c (common_type): push and pop binding level around
3778 calling common_type on function parameters.
3780 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3782 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3784 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3786 * config/mips/mips.c (override_options): Fix typo in last change.
3787 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3788 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3790 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3792 * invoke.texi (-fdump-class-layout): Document.
3793 (-fdump-translation-unit): Use `=' as filename separator.
3795 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3797 * Makefile.in (s-mlib): Don't build multilibs if
3799 (DRIVER_DEFINES): Adjust accordingly.
3801 (protoize.o): Likewise.
3802 (unprotoize.o): Likewise.
3803 * configure.in: Recognize --enable-multilib.
3805 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3807 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3809 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3810 * configure.in: Remove --enable-libstdcxx_v3 support.
3811 * configure: Regenerated.
3813 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3815 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3816 Call abort instead of fatal.
3817 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3818 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3819 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3820 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3821 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3822 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3824 * diagnostic.h (set_internal_error_function): Renamed.
3825 * toplev.h (internal_error): Renamed from fatal.
3826 (pfatal_with_name): Deleted.
3827 (fatal_io_error): Now has printf-style arguments.
3828 * diagnostic.c (pfatal_with_name): Deleted.
3829 (fatal_io_error): Rework to have args in printf-style.
3830 (set_internal_error_function): Renamed from set_fatal_function.
3831 (internal_error): Renamed from fatal.
3832 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3833 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3834 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3835 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3836 * flow.c (verify_flow_info): Likewise.
3837 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3838 * config/mips/mips.c (save_restore_insns): Likewise.
3840 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3841 * flow.c (verify_flow_info): Likewise.
3842 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3843 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3844 (avr_normalize_condition): Likewise.
3845 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3846 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3847 (limit_reload_class, double_reg_to_memory): Likewise.
3848 (print_operand_address, emit_1600_code_shift): Likewise.
3849 (gen_tst_reg, gen_compare_reg): Likewise.
3850 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3851 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3853 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3855 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3856 * objc/objc-act.c (build_ivar_chain): Likewise.
3857 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3859 * graph.c (clean_graph_dump_file): Likewise.
3860 * profile.c (init_branch_prob): Likewise.
3861 * objc/objc-act.c (objc_init): Likewise.
3863 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3864 * config/avr/avr.c (avr_override_options): Likewise.
3865 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3866 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3867 * config/h8300/h8300.c (h8300_init_once): Likewise.
3868 * config/mips/mips.c (override_options): Likewise.
3869 * config/i386/i386.c (override_options): Likewise, rework.
3870 * config/m68k/m68k.c (override_options): Likewise.
3872 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3874 * config/mips/mips.c (print_operand): Likewise.
3875 * hash.c (hash_allocate): Don't check for failure returns from
3876 obstack functions that can't fail.
3877 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3878 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3879 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3880 (get_object_reference): Likewise.
3882 2001-02-04 Nick Clifton <nickc@redhat.com>
3884 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3885 StrongARM1110, 10TDMI, and 1020T.
3887 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3889 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3891 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3893 * config/sh/sh.md (movdf load split): Pass register number to
3894 FP_OR_XD_REGISTER_P.
3896 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3898 * cppinit.c (BC): New macro.
3899 (builtin_array): Add __GXX_WEAK__.
3900 * cpplib.h (builtin_type): Add BT_WEAK.
3901 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3902 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3903 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3905 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3907 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3909 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3911 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3912 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3914 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3916 * cpphash.h: Rename ALIGN _ALIGN.
3917 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3919 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3921 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3922 compilation environment.
3923 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3924 control over location of cygwin includes and libs.
3926 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3928 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3930 2001-02-02 lars brinkhoff <lars@nocrew.org>
3932 * md.texi (Standard Names): remove reference to spur.md.
3934 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3936 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3937 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3938 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3939 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3940 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3942 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3944 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3945 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3946 number before reload.
3947 (c4x_adjust_cost): Return zero before reload.
3948 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3949 split before reload.
3951 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3953 * c4x.c (c4x_hard_regno_rename_ok): New.
3954 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3955 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3957 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3959 * diagnostic.h: Add missing "extern" in all declarations.
3961 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3963 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3964 as for gcc_gxx_include_dir.
3966 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3968 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3970 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3972 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3973 label before alignment to be used as the braf base address.
3974 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3976 (casesi_jump_2): Require at least TARGET_SH2.
3978 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3979 truncation to 32-bit doubles on -m3e and -m4-single-only.
3981 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3983 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3984 the default when building a shared object.
3985 (init_spec): Use it.
3986 * testsuite/lib/g++.exp: Include the directory where libgcc
3987 is located to the LD_LIBRARY_PATH list.
3988 * invoke.texi (-shared-libgcc): Document the cases in which
3989 GCC defaults to using the shared libgcc.
3991 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3993 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3994 unsigned is wide enough.
3996 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3997 (si_to_float): Likewise.
3998 (float_to_si, float_to_usi): Use BITS_PER_SI.
4000 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4002 * dwarf2out.c: Added explanation of abbreviations.
4003 (def_cfa_1): Added comments listing DWARF2 instructions.
4004 (cfa_temp_reg): Removed in favor of cfa_temp.
4005 (cfa_temp_value): Removed in favor of cfa_temp.
4006 (cfa_temp): New global variable.
4007 (dwarf2out_frame_debug_expr): Added extensive introductory
4008 comments explaining the function's transformations. Revised to
4009 use cfa_temp. Added some rtx checking. Generalize IOR case.
4010 (dwarf2out_frame_debug): Revised to use cfa_temp.
4011 (output_aranges): Cast as "unsigned" to avoid warning.
4012 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4013 explain which instructions must be marked.
4015 2001-02-01 Richard Henderson <rth@redhat.com>
4017 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4020 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4022 * config/sh/crt1.asm (main_k): Modified so that start calls
4023 ___setup_argv_and_call_main.
4025 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4027 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4028 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4029 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4030 * cppmacro.c (builtin_macro): Set builtin flags here.
4031 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4032 (replace_args): Clarify intent.
4033 (cpp_get_token): Macro expansion tokens get the saved flags.
4035 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4038 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4040 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4043 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4045 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4046 returns Pmode pseudo, but we need ptr_mode.
4047 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4048 Remove bogus conversions; use HOST_WIDE_INT for size.
4049 Don't use TARGET if wrong mode.
4051 * config/i386/i386.c (ix86_compute_frame_size): Allow
4052 stack_alignment_needed to be non-default even if size is zero.
4054 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4056 * (hppa_init_pic_save): Emit the pic offset table
4057 reg save after last_parm_insn.
4058 * pa.c (hppa_init_pic_save): New function.
4059 * pa.h (hppa_init_pic_save): Declare.
4060 * pa.md (call, call_value, sibcall, sibcall_value): Use
4061 the above instead of duplicated code.
4063 * pa.c (hppa_encode_label): Correct size of alloca buffer
4064 so we don't overrun it. Correct leading `*' case.
4065 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4066 need to handle `*@'.
4067 (FUNCTION_NAME_P): Likewise.
4069 2001-01-31 Richard Henderson <rth@redhat.com>
4071 * config.gcc (alpha-osf5): Use float-i128.h.
4073 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4074 * config/float-i32.h: Likewise.
4075 * config/float-i64.h: Likewise.
4076 * config/float-sh.h: Likewise.
4077 * config/float-sparc.h: Likewise.
4079 2001-01-31 DJ Delorie <dj@redhat.com>
4081 * expmed.c (extract_bit_field): allow non-integral modes if we
4082 want to extract a whole register from itself.
4084 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4086 * c-typeck.c (set_init_index): If first is equal to last, assume as
4087 if it was not a range at all.
4089 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4091 * config/fp-bit.c: Include tm.h.
4092 (float_to_si): Don't assume SImode is 32-bits wide.
4093 (float_to_usi): Likewise.
4095 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4097 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4099 (typename): Call pending_xref_error after parsing typed_typespecs.
4100 * c-decl.c (lookup_tag): Give error immediately rather than
4101 leaving it pending if the tag of the wrong type is in the same
4103 (xref_tag): Don't pedwarn for forward declarations of enum types
4105 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4108 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4110 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4112 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4114 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4115 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4117 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4119 * cpphash.h (struct cpp_reader): New saved_flags.
4120 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4121 to avoid a paste after a pasted token.
4123 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4125 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4126 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4127 Wtype_MIN instead of LONG_MIN.
4129 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4131 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4133 * fixinc/fixincl.x: Regenerated.
4134 * fixinc/inclhack.def (irix_limits_const): New definition to
4135 convert "const" to "__const" in limits.h.
4137 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4139 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4141 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4143 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4144 when register dies in the insn.
4146 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4148 * diagnostic.c (fatal): Fix word wrap.
4150 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4152 * combine.c (try_combine): Fix SUBREG setting for
4153 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4155 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4157 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4160 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4162 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4164 * toplev.c (decode_W_option): Update warn_larger_than
4165 unconditionally for each processed switch.
4167 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4169 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4171 (hppa_expand_prologue): Delete code to save pic offset table register
4172 in the function prologue.
4173 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4174 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4175 table register at the beginning of the function after the prologue.
4177 2001-01-29 lars brinkhoff <lars@nocrew.org>
4179 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4181 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4182 Jeff Law <law@redhat.com>
4184 * pa.md (return): Revise comment for trivial return.
4185 (return_internal): Non-trivial return pattern for non-PIC code.
4186 (return_internal_pic): Non-trivial return pattern for PIC code.
4187 It uses the PIC register to ensure it is restored after
4189 (epilogue): Generate appropriate return for PIC and non-PIC code.
4191 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4193 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4195 2001-01-29 DJ Delorie <dj@redhat.com>
4197 * combine.c (if_then_else_cond): Pass the correct mode to
4198 operand_subword() for constants.
4200 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4202 * config/i386/cygwin.h: Add w32api to include search. Search different
4203 directories in a cross-build environment.
4205 2001-11-29 Tim Josling <tej@melbpc.org.au>
4207 * tree.h (TYPE_STUB_DECL): Add documentation.
4209 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4211 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4212 (sdbout_field_types): Likwise. Fix use of host_integerp.
4214 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4216 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4219 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4221 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4222 to use flag_gnu_linker.
4224 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4226 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4227 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4229 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4231 * tree.c, tree.h (build_parse_node): Remove; was identical to
4233 * c-lang.c (start_cdtor), objc/objc-act.c
4234 (build_module_descriptor): Use build_nt instead of
4237 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4239 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4240 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4241 not have any upper bits set.
4243 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4245 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4247 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4249 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4251 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4253 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4254 (integer_minus_one_node): Define.
4256 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4258 * Makefile.in (bootstrap2-lean): Fix typo.
4260 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4262 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4263 : Don't set fe_value.
4264 * cpplib.h (AVOID_LPASTE): New flag.
4265 (struct cpp_hashnode): Remove fe_value.
4266 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4267 * cppmacro.c (builtin_macro): Don't set flags here.
4268 (replace_args): Set AVOID_LPASTE flag on first token of an
4269 argument, and the token following it.
4270 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4271 macro expansion, and on the token following it. Do it for
4273 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4275 2001-01-27 Richard Henderson <rth@redhat.com>
4277 * config/alpha/t-ieee: Remove multilibbing.
4278 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4280 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4284 * Makefile.in: Remove all dependencies on defaults.h.
4285 * builtins.c: Don't include defaults.h.
4286 * c-common.c: Likewise.
4287 * c-decl.c: Likewise.
4288 * c-pragma.c: Likewise.
4289 * c-typeck.c: Likewise.
4290 * combine.c: Likewise.
4292 * frame-ia64.c: Likewise.
4293 * cppexp.c: Likewise.
4294 * crtstuff.c: Likewise.
4295 * dbxout.c: Likewise.
4296 * dwarf2out.c: Likewise.
4297 * dwarfout.c: Likewise.
4298 * emit-rtl.c: Likewise.
4299 * except.c: Likewise.
4301 * final.c: Likewise.
4302 * frame-dwarf2.c: Likewise.
4303 * libgcc2.c: Likewise.
4304 * optabs.c: Likewise.
4305 * profile.c: Likewise.
4306 * sdbout.c: Likewise.
4307 * toplev.c: Likewise.
4308 * tradcif.y: Likewise.
4310 * varasm.c: Likewise.
4312 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4314 * builtins.c (expand_builtin_fputs): Use size_one_node when
4315 transforming into fwrite.
4317 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4319 * extend.texi (Attribute Syntax): New section.
4321 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4323 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4324 they didn't need fixing.
4326 2001-01-27 Janis Johnson <janis@us.ibm.com>
4328 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4330 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4331 to remove macro definitions that are duplicated from elfos.h.
4333 2001-01-27 Richard Henderson <rth@redhat.com>
4335 * config/i386/sco5gas.h: Move ...
4336 * config/usegas.h: ... here.
4337 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4339 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4341 * c-typeck.c (struct constructor_stack): Add range_stack member.
4342 (really_start_incremental_init): Clear it.
4343 (push_init_level): Save constructor_range_stack and clear it if
4344 pushing explicit braces.
4345 (pop_init_level): abort if constructor_range_stack is non-zero at
4346 explicit closing brace. Restore saved constructor_range_stack if
4349 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4351 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4352 into register was forced into memory.
4354 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4356 * Makefile.in: Remove uses of + before $(MAKE).
4358 2001-01-26 Richard Henderson <rth@redhat.com>
4360 * stmt.c (cost_table): Remove.
4361 (COST_TABLE, cost_table_initialized): New.
4362 (estimate_case_costs): Use the later instead of the former.
4363 (balance_case_nodes): Likewise.
4365 2001-01-26 Richard Henderson <rth@redhat.com>
4367 * alias.c (objects_must_conflict_p): Read-only slots may not
4368 conflict despite having the same type.
4370 2001-01-27 Michael Hayes <mhayes@redhat.com>
4372 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4374 (check_ext_dependant_givs): Initialise u_start_val and
4376 (load_mems): Make last_max_reg unsigned.
4377 (try_swap_copy_prop): Use INSN_P and initialise set.
4379 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4381 * README.AVR : Removed.
4383 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4385 * pa-64.h (text_section): Remove declaration.
4387 * pa.md (return_internal): Remove mode on PIC register use.
4389 2001-01-25 lars brinkhoff <lars@nocrew.org>
4391 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4392 ASM_CLOSE_PAREN): fix typos.
4394 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4396 * acconfig.h: Define `const' to the empty string if neither
4397 __STDC__ nor __cplusplus is defined.
4398 * config.in: Regenerated.
4400 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4402 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4403 * collect2.c (main): Delete importf. Add ".obj" file extension.
4404 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4405 (aix_std_libs): Add additional AIX libraries to skip.
4406 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4407 * config/rs6000/aix51.h: New file.
4409 2001-01-25 Michael Hayes <mhayes@redhat.com>
4411 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4412 (loop_insn_emit_before): No longer static.
4413 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4414 (loop_givs_rescan, load_mems): Likewise.
4415 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4416 (maybe_eliminate_biv_1):
4417 (move_movables): Replace emit_call_insn_before with
4418 loop_call_insn_hoist.
4419 * loop.h (loop_insn_emit_before): Add.
4420 * unroll.c (copy_loop_body): Replace emit_insn_before with
4421 loop_insn_emit_before.
4423 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4425 * diagnostic.c (fatal): Request preprocessed source.
4427 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4429 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4430 olddecl has argument types and newdecl has none, use the argument
4433 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4435 * dwarf2out.c (prefix_of): New function. Determine longest common
4436 prefix of the two arguments. The units are whole path components.
4437 (output_file_names): When adding a new directory find the one entry
4438 with the longest common prefix already in the list. Artificially
4439 generate entry if there is none for this prefix.
4440 Fix test to check whether the zeroth directory entry is used.
4442 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4444 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4445 Changed all callers. Take it into account when deciding if a
4446 previously loaded value matches.
4448 2001-01-24 Richard Henderson <rth@redhat.com>
4450 * reload.c (find_reloads_subreg_address): Fail the substitution
4451 if the resulting address is insufficiently aligned.
4453 2001-01-24 DJ Delorie <dj@redhat.com>
4455 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4456 check the original operand's mode also.
4457 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4459 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4461 * c-parse.in (cast_expr): Move compound literals from here ...
4462 (primary): ... to here. Use standard terminology "compound
4463 literal" instead of "constructor expression".
4465 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4467 * gcc.1, cpp.1: Regenerate.
4469 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4471 * calls.c (emit_library_call_value_1): Memory slot for
4472 pass-by-reference argument should have the mode of the argument,
4473 not of the pointer to it.
4475 2001-01-24 Tom Tromey <tromey@redhat.com>
4477 * gcc.texi (G++ and GCC): Mention gcj manual.
4478 (Standards): Link to section of manual mentioning gcj/Java
4481 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4483 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4484 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4485 * tradcpp.c (main): Add -imacros or -include'd dependencies
4487 * cpp.texi (-M, -MM): Document -M -include behaviour.
4489 2001-01-24 Roger Collins <roger@ProProject.com>
4491 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4493 2001-01-24 Will Cohen <wcohen@redhat.com>
4495 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4496 whether registers are 32 bits or 64 bits in size.
4498 2001-01-24 Ben Elliston <bje@redhat.com>
4500 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4502 2001-01-24 Richard Henderson <rth@redhat.com>
4504 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4505 (builtin_longjmp): Use it instead of emit_indirect_jump.
4507 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4509 * bb-reorder.c (make_reorder_chain_1): Handle case where
4510 jump edge goes to the same block as the fallthru edge.
4512 2001-01-23 Jim Wilson <wilson@redhat.com>
4514 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4515 * frame.h (__ia64_personality_v1): Add prototype.
4516 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4517 prototype form. Add void * cast to first argument to personality
4519 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4520 (asctoe113): Likewise.
4521 * config/ia64/frame-ia64.c: Include eh-common.h.
4522 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4524 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4526 (itanium_split_issue): Add prototype.
4527 (gen_nop_type): Ifdef out.
4528 (find_best_packet): Initialize best_packet.
4529 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4531 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4532 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4533 (flushrs): Add explicit stop bit at end.
4534 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4537 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4539 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4541 * libgcc2.c (__terminate_func): Make variable static.
4542 (__terminate_set_func): New function to set __terminate_func.
4543 * libgcc2.h (__terminate_func_ptr): New typedef.
4544 (__terminate_set_func): New function.
4546 2001-01-23 Richard Henderson <rth@redhat.com>
4548 * flow.c (init_propagate_block_info): Don't consider unchanging
4549 memories for dead frame store elimination.
4551 2001-01-23 Richard Henderson <rth@redhat.com>
4553 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4554 * defaults.h: ... here.
4556 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4558 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4560 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4562 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4564 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4566 * rs6000.h (rs6000_return_addr): Move prototype from here...
4567 * rs6000-protos.h (rs6000_return_addr): ...to here.
4568 (rs6000_init_expanders): Delete prototype.
4570 2001-01-23 Nick Clifton <nickc@redhat.com>
4572 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4573 (Spec Files): Document %B and %j and %. and %v3 and %M and
4574 %{S*&T} spec switches.
4576 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4578 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4580 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4581 Neil Booth <neil@daikokuya.demon.co.uk>
4583 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4584 Have -Werror make pedantic warnings errors, like the
4587 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4589 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4591 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4593 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4594 * integrate.c (expand_inline_function): Initialize them.
4595 (subst_constants): If changing COMPARE so that both its arguments
4596 will be VOIDmode and the comparison mode will be lost, note
4597 compare_mode. Use the recorded compare_mode to optimize
4600 2001-01-23 Jason Merrill <jason@redhat.com>
4602 * dwarf2out.c (new_die): Use xcalloc.
4603 (output_die): Abort rather than emit a local reference to offset 0.
4605 2001-01-17 Andrew Haley <aph@redhat.com>
4607 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4608 of a saved register; return NULL instead.
4609 (copy_reg): Take a pointer to a source register rather than a
4611 (next_stack_level): Remember the address in the stack frame of all
4613 Use the saved register pointer array as the source of the CFA.
4614 (throw_helper): Rewrite. Unwind once rather than twice and keep
4615 track of saved registers as we go.
4617 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4619 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4620 * c4x.c (c4x_legitimize_reload_address): Remove.
4621 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4622 reload address for ldp(k) insn.
4624 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4626 * pa.md (return_internal): Add a USE of the PIC register to ensure
4627 it is restored after each call.
4628 (return expander): Corresponding changes.
4630 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4632 * rs6000.h (INIT_EXPANDERS): Delete.
4633 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4634 * rs6000.c (rs6000_override_options): Call *_machine_status from
4636 (rs6000_init_expanders): ...instead of here. Delete.
4637 (rs6000_mark_machine_status): New function.
4638 (rs6000_init_machine_status): Use xcalloc.
4639 (rs6000_return_addr): Generate RTX for the return address.
4640 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4641 (rs6000_stack_info): Use it.
4643 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4645 * gthr-win32.h: Include errno.h to get a declaration for
4646 EINVAL and _mingw.h if the target is mingw32.
4648 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4650 * cpp.texi: Correct typos.
4652 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4654 * explow.c (probe_stack_range): Ensure value passed to
4655 stack_check_libfunc is ptr_mode, not Pmode.
4657 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4659 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4660 case, don't use operand_subword to calculate a SUBREG that is
4663 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4665 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4667 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4668 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4669 valid. If not replace it by equivalent insns.
4671 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4673 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4674 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4675 (c4x_U_constraint, symbolic_address_operand): Likewise.
4676 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4678 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4679 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4680 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4681 anulling slot because of silicon bug.
4682 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4684 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4686 * cppexp.c (parse_charconst): Change `mask' type to agree
4689 2001-01-21 Richard Henderson <rth@redhat.com>
4691 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4692 pic_label_name in a linkonce section.
4694 2001-01-17 Philipp Thomas <pthomas@suse.de>
4696 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4698 * configure: Regenerate.
4700 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4702 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4703 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4705 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4707 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4708 If REVERSE nonzero then condition code in X must be reversed.
4709 (encode_section_info): Optimise if/else.
4710 (avr_function_value): Fix formatting.
4712 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4713 (difficult_branch): Likewise.
4714 (rvbranch): Likewise.
4715 (difficult_rvbranch): Likewise.
4717 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4719 * config/avr/libgcc.S: Fix comment.
4721 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4723 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4725 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4727 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4729 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4731 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4732 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4733 * configure, config.in: Regenerate.
4734 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4735 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4736 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4737 (doprint.o): New rule.
4739 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4741 * c-typeck.c (digest_init): Handle boolean types as scalars.
4743 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4745 * stmt.c (expand_return): Don't return anything if size is zero.
4746 Delete redundant assignment to BYTES.
4747 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4749 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4751 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4752 the same as the default library function names.
4753 * config/avr/avr.md: Document special characters after '%'.
4754 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4755 knowing which of the call-used registers are really clobbered.
4756 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4757 New. Both quotient and remainder from one libgcc.S call.
4758 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4759 clobber as few registers as possible.
4760 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4762 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4764 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4765 context of the top of the stack.
4767 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4769 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4770 (fixup_var_refs_insns): ...here.
4772 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4774 * function.c (fixup_var_refs_insns): Break up into
4775 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4776 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4777 [loop over hash table entries].
4778 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4779 fixup_var_refs_insns_with_hash, to match above changes.
4781 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4783 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4784 (libgcc.a): Likewise.
4785 (stmp-multilib): Likewise.
4786 (STAGE2_FLAGS_TO_PASS): Likewise.
4788 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4790 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4791 temporary if no_new_pseudos.
4793 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4795 * cppinternals.texi: Update.
4797 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4799 * arm.c (arm_init_builtins): Re-enable builtins.
4801 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4803 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4804 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4805 element to be null, and always expect an EXPR_LIST.
4806 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4807 * sched-deps.c (sched_analyze_1): Likewise.
4808 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4810 * regclass.c (max_set_parallel): New variable.
4811 (reg_scan): Take it into account in computation of max_parallel.
4812 (reg_scan_mark_refs, case SET): Compute it.
4814 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4816 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4817 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4819 2001-01-19 Jason Merrill <jason@redhat.com>
4821 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4822 for the abstract instance of an inline function.
4824 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4825 J"orn Rennecke <amylaar@redhat.com>
4827 * reload1.c (move2add_note_store): Treat all registers directly or
4828 indirectly derived from a base register as members of the same set
4830 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4831 of base register into account.
4833 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4835 * alias.c (find_base_value): Recognize TRUNCATE.
4836 (record_set): In PLUS case, invalidate if other summand is also a
4839 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4841 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4842 entry to be EXPR_LIST.
4843 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4844 be an EXPR_LIST (but not null, which other code doesn't allow).
4845 (note_stores): Properly handle PARALLEL in SET.
4846 Recursively call for top-level PARALLEL.
4847 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4848 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4850 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4852 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4854 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4855 not pfile->skipping (== 0).
4857 2001-01-17 Nick Clifton <nickc@redhat.com>
4859 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4862 2001-01-17 Jim Wilson <wilson@redhat.com>
4864 * invoke.texi (IA-64 options): Improve.
4866 2001-01-17 Tom Tromey <tromey@redhat.com>
4868 * invoke.texi (Optimize Options): Use `{}' to around @samp
4871 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4873 * invoke.texi (-fno-guess-branch-probability): New option.
4875 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4877 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4878 case of making new double-word constant.
4879 Revert last change: instead just test i3_subst_into_i2.
4881 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4883 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4884 Use q constraints instead of r.
4886 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4888 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4889 (machine_function): Define.
4890 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4891 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4892 pa_free_machine_status): New functions.
4893 (override_options): Set {init,mark,free}_machine_status to above.
4894 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4895 PIC_OFFSET_TABLE_REGNUM_SAVED.
4896 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4897 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4898 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4899 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4900 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4902 2001-01-15 DJ Delorie <dj@redhat.com>
4904 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4908 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4910 * flow.c (propagate_on_insn): Make trying to delete a prologue
4911 or epilogue insn an ICE, not a warning. Allow doing this if
4912 the current function returns with stack pointer depressed.
4914 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4915 I3 having more than one SET.
4917 2001-01-16 Jim Wilson <wilson@redhat.com>
4919 * invoke.texi: Document IA-64 options.
4921 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4922 (fixup_errata): Delete TARGET_A_STEP use.
4923 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4924 (TARGET_SWITCHES): Delete -ma-step option.
4925 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4926 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4927 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4928 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4929 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4930 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4932 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4933 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4934 cmovsi_internal): Delete ! TARGET_A_STEP check.
4936 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4938 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4939 possibility to report bugs via postal mail. Change a URL and
4940 merge in a nearly duplicate statement...
4941 (Bug Reporting): ...from here.
4942 (Service): Refer to the Bug Reporting section instead of
4944 (Contributing): Remove trivial explanations concerning snapshots.
4946 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4948 * cppmain.c (general_init): Don't use ANSI prototype.
4950 2001-01-16 Tom Tromey <tromey@redhat.com>
4952 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4954 2001-01-16 Richard Henderson <rth@redhat.com>
4956 * config/i386/i386.h: Fix comment typo.
4957 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4958 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4960 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4962 * gcc.c: Revert previous -fsyntax-only-related change; move
4965 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4967 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4968 inmode after checking GET_CODE (op).
4970 2001-01-16 Richard Henderson <rth@redhat.com>
4972 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4973 (MAX_MEM_SET_LIST_LEN): New.
4974 (propagate_one_insn): Update mem_set_list_len.
4975 (invalidate_mems_from_autoinc): Likewise.
4976 (invalidate_mems_from_set): Likewise.
4977 (mark_used_regs): Likewise.
4978 (init_propagate_block_info): Likewise. Stop collecting memories
4979 when we reach MAX_MEM_SET_LIST_LEN.
4980 (mark_set_1): Likewise.
4982 2001-01-16 Richard Henderson <rth@redhat.com>
4984 * unroll.c (precondition_loop_p): Fail if no iteration
4987 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4989 * gcc.c: When -fsyntax-only is given, do not complain about
4992 2001-01-15 Richard Henderson <rth@redhat.com>
4994 * config/i386/i386.c (asm_output_function_prefix): Remove.
4995 (ix86_asm_file_end): New.
4996 (load_pic_register): Generate pic_label_name into a
4997 staticly allocated buffer.
4998 * config/i386/i386-protos.h: Update.
4999 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5000 (ASM_FILE_END): New.
5001 * config/i386/i386afe.h: New file.
5002 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5003 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5004 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5005 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5006 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5007 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5008 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5010 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5012 * Makefile.in (install-man): Remove explicit dependency on
5015 * configure.in, configure: Revert previous patch requiring perl
5018 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5020 * toplev.c (flag_guess_branch_prob): New.
5021 (f_options): Add guess-branch-probability option.
5022 (rest_of_decl_compilation): Only estimate branch probability if
5024 (main): set flag_guess_branch_prob.
5026 * flags.h (flag_guess_branch_prob): New.
5028 2001-01-15 DJ Delorie <dj@redhat.com>
5030 * gcc.texi (Makefile): Add documentation for Makefile targets.
5032 2001-01-15 Philip Blundell <philb@gnu.org>
5034 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5036 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5037 (is_pic): Delete declaration.
5038 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5039 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5040 * config/arm/arm.md (builtin_setjmp_receiver): New.
5042 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5044 * arm.c (use_return_insn): Don't try to determine the function type
5045 until after reload has completed.
5046 (arm_output_epilogue): Don't adjust the sp value recovered from the
5048 (emit_multi_reg_push): Don't record dwarf information for the pc.
5049 * arm.md (eh_epilogue): The function type may have changed, so it
5050 needs to be recalculated.
5051 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5052 unwind tables on arm/netbsd.
5054 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5056 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5057 (negated_cbranchsi4): Likewise.
5059 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5061 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5062 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5063 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5064 pass -mapcs-* options to assembler.
5065 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5066 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5067 (ASM_SPEC): Call subtarget_extra_asm_spec.
5069 2001-01-15 Andreas Jaeger <aj@suse.de>
5071 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5073 (ix86_expand_builtin): Likewise.
5075 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5076 warning about comparison between signed and unsigned.
5078 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5080 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5082 2001-01-14 Ralf Baechle <ralf@gnu.org>
5084 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5085 SUBTARGET_CPP_SPEC apropriatly.
5087 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5089 * varasm.c (make_decl_rtl): Fix typo in last change.
5091 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5093 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5094 linker supports the init_priority C++ attribute.
5095 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5096 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5097 linker does not support init_priority C++ attribute.
5099 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5101 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5103 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5105 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5106 * cp/lex.c (finish_parse): Similarly.
5107 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5108 Return the number of errors encountered.
5109 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5110 * cppmain.c (main): Don't call cpp_destroy.
5112 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5114 * configure.in: Require at least perl 5.6.0 to regenerate
5116 * configure: Regenerate.
5118 2001-01-14 Richard Henderson <rth@redhat.com>
5120 * genrecog.c (DT_veclen_ge): New.
5121 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5122 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5123 (nodes_identical_1): Handle DT_veclen_ge.
5124 (write_cond, debug_decision_2): Likewise.
5126 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5128 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5130 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5132 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5134 * cppmain.c (do_preprocessing): New function; most of the old
5136 (main): Call it to do most of the work.
5137 (cb): Move from global scope to set_callbacks ().
5138 (setup_callbacks): Get the callback pointer.
5139 (general_init, printer_init): Clean up code and comments.
5141 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5143 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5146 2001-01-14 Kazu Hirata <kazu@hxi.com>
5148 * config/h8300/h8300.c (get_shift_alg): Update comments.
5150 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5152 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5153 (alloc_page, ggc_alloc): Add casts to remove warnings.
5155 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5157 * combine.c (simplify_comparison): Don't change `code' when
5158 can't reverse comparison.
5160 2001-01-14 Richard Henderson <rth@redhat.com>
5162 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5163 update all call sites. Return true for all non-label constants.
5165 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5167 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5169 (ix86_expand_branch): Update.
5170 (ix86_expand_setcc): Update to handle multiple test conditions.
5171 (expand_int_movcc): Likewise.
5172 (expand_fp_movcc): Likewise.
5173 * i386-protos.h (ix86_expand_compare): New.
5174 * i386.md (andqi_?_slp, orqi_?_slp): New.
5175 (conditional trap expander): Update call to ix86_expand_compare.
5177 2001-01-14 Richard Henderson <rth@redhat.com>
5179 * config/vax/vax.md: Use nonimmediate_operand instead of
5180 general_operand in destinations.
5182 * config/vax/vax.md (indirect_jump): Use register_operand.
5184 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5185 * config/vax/vax.md (call_pop): Turn into an expander.
5186 (call_value_pop): Likewise.
5187 (call, call_value): New.
5189 2001-01-14 Andreas Jaeger <aj@suse.de>
5191 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5193 (ix86_fp_compare_mode): Add unused attribute.
5194 (ix86_expand_fp_movcc): Remove unused variable.
5195 (ix86_expand_builtin): Make fcode unsigned.
5197 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5198 (expand_expr): Add cast to avoid signed warning.
5199 (store_field): Likewise.
5200 (store_constructor_field): Likewise.
5201 (store_constructor): Likewise.
5202 (store_expr): Likewise.
5203 (clear_storage): Likewise.
5204 (emit_group_store): Likewise.
5205 (emit_group_load): Likewise.
5207 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5209 * c-common.c: Move format checking code to ...
5210 * c-format.c: ... here. New file. Reorder some functions and
5212 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5214 * c-common.h (decl_handle_format_attribute,
5215 decl_handle_format_arg_attribute): Declare.
5216 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5217 (c-common.o): Adjust dependencies.
5218 (c-format.o): New list of dependencies.
5220 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5222 * unroll.c (loop_iterations): If we cannot prove iteration variable
5223 is set once in each iteration, punt.
5225 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5227 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5228 (*strlenhi): Remove clobber (which was buggy) of output address.
5230 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5232 * Makefile.in (generated-manpages): Add gcc.1
5233 ($(srcdir)/gcc.1): New target.
5234 (maintainer-clean): Delete $(srcdir)/gcc.1.
5235 * gcc.texi: Add macros @gccoptlist and @gol.
5236 * invoke.texi: Include option summary in manpage. Mark up option
5237 summary with @gccoptlist and @gol. Use @r in one place where
5239 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5240 * gcc.1: Generate from invoke.texi.
5242 2001-01-13 Richard Henderson <rth@redhat.com>
5244 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5245 (struct page_entry): Add group member.
5246 (struct page_group): New.
5247 (struct globals): Add page_groups member.
5248 (alloc_anon): Only define for using mmap; remove valloc call.
5249 (page_group_index): New.
5250 (set_page_group_in_use): New.
5251 (clear_page_group_in_use): New.
5252 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5253 (free_page, release_pages): Likewise.
5254 * configure.in (with-gc): Default to ggc-page always.
5256 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5258 * reload1.c (replace_pseudos_in_call_usage): Use
5259 reg_equiv_constant and reg_equiv_address, and don't try
5260 regno_reg_rtx first.
5262 2001-01-13 Richard Henderson <rth@redhat.com>
5264 * ggc-page.c (alloc_page): Round up allocation size to one page.
5265 Set e->order on extra pages.
5267 2001-01-13 Richard Henderson <rth@redhat.com>
5269 * genrecog.c (nodes_identical): Expand commentary.
5270 (write_switch): Watch out for identical nodes.
5272 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5274 * cppfiles.c (_cpp_fake_include): New function.
5275 * cpphash.h (_cpp_fake_include): New.
5276 * cpplib.c (do_line): Call _cpp_fake_include when entering
5277 header files in preprocessed input.
5278 * cppmain.c (cb_pragma_implementation): Remove handling.
5279 (setup_callbacks): Don't register pragmas.
5281 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5283 * extend.texi: Udate for CPP.
5285 2001-01-13 Andreas Jaeger <aj@suse.de>
5287 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5289 * regmove.c: Add prototype for replace_in_call_usage.
5291 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5293 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5294 struct cpp_chunk, struct htab, struct toklist,
5295 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5296 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5297 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5298 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5299 (struct macro_args): Delete.
5300 * cpphash.h: See above.
5302 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5304 * cppmain.c (struct printer): Remove no_line_dirs.
5306 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5307 : Use options rather than CPP_OPTION.
5308 (setup_callbacks): Use cb rather than pfile->cb.
5309 (main): No need to check for a buffer. Use cpp_errors.
5310 (printer_init): Don't set no_line_dirs.
5311 (maybe_print_line): Use options not no_line_dirs.
5312 (cb_file_change): Don't call print_line if -P.
5314 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5316 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5318 * c-parse.in (finish_parse): Use cpp_errors.
5319 (__yylex): Use return value of cpp_pop_buffer.
5320 * cp/lex.c (finish_parse): Use cpp_errors.
5321 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5323 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5325 * README.AVR: URLs corrected.
5327 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5329 * c-decl.c (start_function): Don't warn if old prototype is builtin
5330 that's not in C's namespace.
5331 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5332 (_bb): Add prototype for ctime.
5333 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5335 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5337 * i386.c (ix86_fp_comparison_arithmetics_cost,
5338 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5339 ix86_fp_comparison_cost): New functions.
5340 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5341 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5342 two-branch sequences; make static.
5343 (ix86_use_fcomi_compare): Do decision according to the costs.
5344 (split_fp_branch): New.
5345 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5346 * i386-protos.h (ix86_expand_fp_compare): Remove
5347 (ix86_split_fp_branch): Declare.
5349 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5350 and ix86_comparison_operator.
5352 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5355 * i386.c (put_condition_code): Output properly the unordered/ordered
5356 compares in fp case.
5357 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5359 * tm.texi (REVERSE_CONDITION): Document.
5360 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5361 in -ffast-math mode.
5362 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5364 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5366 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5368 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5371 * config/sh/sh.c (mova_p): Fix test for mova_const.
5373 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5375 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5376 cpp_get_options rather than dereferencing pfile and using
5378 * scan-decls.c (scan_decls): Use return value of
5379 cpp_pop_buffer rather than CPP_BUFFER.
5381 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5383 * cppinit.c (cpp_handle_option): help_only is now part of the
5384 cpp_options structure.
5385 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5386 cpp_set_callbacks): New functions.
5387 * cpplib.h (cpp_callbacks): Break out as a named structure.
5388 (cpp_options): Move help_only here from cpp_reader.
5389 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5390 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5391 cpp_set_callbacks): New prototypes.
5392 * cppmain.c (main): Update for help_only.
5394 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5396 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5397 Also build and remove and install and uninstall c-tree.info and
5399 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5400 ($(srcdir)/cppinternals.info): New target.
5401 * c-tree.texi: Change file name used when makeinfo used without -o
5402 from ir.info to c-tree.info. Add info directory entry.
5403 * cppinternals.texi: Add info directory entry.
5404 * .cvsignore: Update.
5406 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5408 * c-typeck.c (store_init_value): Don't require constant initializer
5409 elements with -pedantic -std=c99.
5410 (digest_init): Change error about non-constant initializer elements
5412 (constructor_range_end): Remove.
5413 (constructor_incremental, designator_depth,
5414 designator_errorneous): New variables.
5415 (struct constructor_stack): Remove range_end, add incremental.
5416 (struct constructor_range_stack, constructor_range_stack): New.
5417 (struct initializer_stack): Add constructor_range_stack.
5418 (finish_init): Set it.
5419 (start_init): Likewise. require_constant_elements for non-static
5420 trees only if not flag_isoc99.
5421 (really_start_incremental_init): Remove constructor_range_end, add
5422 constructor_incremental.
5423 (pop_init_level): Likewise.
5424 (push_init_level): Likewise. If implicit and the subobject had some
5425 value set already, preinitialize the level with it.
5426 Warn about missing braces only if not pushing due to designators.
5427 (set_designator, push_range_stack): New functions.
5428 (set_init_label): Use them.
5429 (set_init_index): Likewise. Remove constructor_range_end.
5430 Error if designator index is outside of array bounds.
5431 (add_pending_init): Compare values of purpose index trees, not the
5432 trees themselves. Allow overwriting of already initialized element.
5433 Issue a warning if it had side-effects.
5434 (set_nonincremental_init, set_nonincremental_init_from_string): New
5436 (pending_init_member): Rename to...
5437 (find_init_member): ...this function. Call set_nonincremental_init
5438 if necessary. Compare values of purpose index trees, not the trees
5439 themselves. Return the actual value, not just non-zero if something
5441 (output_init_element): Remove checks for duplicates.
5442 If field has zero size, only check the initializer for correctness.
5443 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5444 if constructor_incremental is zero. Change error about initializers
5445 not computable at load time into pedwarn.
5446 (output_pending_init_elements): Compare bit positions, not
5447 FIELD_DECLs to take into account zero-sized fields.
5448 (process_init_element): Use constructor_range_stack to fill all
5449 ranges in the designator lists from current level up.
5450 * extend.texi: Update documentation for labeled elements.
5452 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5454 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5455 to function usage for arguments passed by reference. Optimize
5456 callee-copied arguments.
5457 * regmove.c (replace_in_call_usage): New function.
5458 (fixup_match_1): Call it.
5459 * cse.c (cse_insn): Canonicalize registers in function usage.
5460 * reload1.c (replace_pseudos_in_call_usage): New function.
5463 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5466 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5468 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5471 2001-01-12 DJ Delorie <dj@redhat.com>
5473 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5474 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5477 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5479 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5480 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5481 -std options alongside references to -ansi. Update some
5482 documentation for C99.
5483 * cpp.1: Regenerate.
5485 2001-01-12 Andreas Jaeger <aj@suse.de>
5487 * haifa-sched.c (restore_line_notes): Remove argument block B
5489 * sched-ebb.c (schedule_ebb): Change caller.
5490 * sched-rgn.c (schedule_region): Likewise.
5491 * sched-int.h (restore_line_notes): Adjust prototype.
5493 * loop.h: Remove wrong declaration of doloop_condition_get.
5495 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5497 * extend.texi: Move C++-extension-related node from the C section
5498 into the C++ section.
5500 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5502 * extend.texi: Refer to an array of pointers to functions instead
5503 of one of functions.
5505 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5506 Jan Hubicka <jh@suse.cz>
5508 * combine.c (reversed_comparison): Fix typo in last patch.
5510 (combine_reversed_comparison_code): Make static to follow
5511 prototype declaration.
5513 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5515 * install.texi: Remove misplaced duplicate entry.
5517 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5519 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5521 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5523 * final.c: (leaf_function_p): Fix typo.
5525 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5527 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5528 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5530 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5531 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5532 mmap_anon, and valloc is available.
5533 * ggc-page.c: Restructure ifdef logic to match new autoconf
5534 spec. Don't throw away the test page in init_ggc.
5536 * configure, config.in: Regenerate.
5538 2001-01-12 Michael Hayes <mhayes@redhat.com>
5540 * loop.h (total_biv_increment): Constify iv_class pointer.
5541 (struct induction): Replace `mem_mode' with `mem' rtx.
5542 * unroll.c (total_biv_increment): Constify iv_class pointer.
5543 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5544 (find_mem_givs, combine_givs_p): Likewise.
5545 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5547 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5549 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5551 (__gthread_getspecific): Ditto.
5553 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5555 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5556 put_condition_code): Convert fp comparison codes to integer
5558 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5561 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5562 * i386-protos.h (no_comparison_operator): Kill.
5564 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5566 * combine.c (REVERSIBLE_CC_MODE): Remove.
5567 (reversible_comparison_p): Remove.
5568 (combine_reversed_comparison_code): New.
5569 (reversed_comparison): New.
5570 (combine_simplify_rtx): Use
5571 combine_reversed_comparison_code/reversed_comparison instead
5572 of reversible_comparison_p.
5573 (simplify_if_then_else): Likewise.
5574 (simplify_set): Likewise.
5575 (simplify_logical): Likewise.
5576 (if_then_else_cond): Likewise.
5577 (known_cond): Likewise.
5578 (simplify_comparison): Likewise.
5580 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5582 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5583 sizeof (int) is larger than sizeof(__word__).
5585 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5587 * cppinit.c (do_includes): Fix typo.
5589 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5591 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5592 in S_REGS does not occur because not all sources are possible
5593 when a S_REGS is a destination (sometimes needs a clobber).
5594 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5595 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5596 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5597 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5598 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5599 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5600 (lshrdi_const1, lshrsi3_const16): Likewise.
5601 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5602 (*movhi_68hc12, *movqi_68hc12): Likewise.
5603 (movstrictqi): Make sure reloading in D_REGS as a destination
5606 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5608 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5610 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5612 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5613 -D, -U and -A, and don't initialize the builtins.
5614 (do_includes): Error if -include or -imacros with -fpreprocessed.
5615 * cppmain.c (cb_define, cb_undef): Unconditionally process
5617 * tradcpp.c (main): Fix typo.
5619 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5621 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5622 (read_name_map): Use IS_ABSOLUTE_PATH.
5623 * tradcpp.c (get_filename): Likewise.
5625 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5627 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5628 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5629 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5630 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5631 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5632 (cmphi_z_used): Don't use '@' for the output.
5633 (tstqi_z_used): Likewise.
5634 (cmpqi_z_used): Likewise.
5635 (one_cmplsi2): Likewise.
5637 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5639 * config/sh/sh.c (barrier_align): Recognize branch around far
5640 branch and redundant insn.
5642 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5644 * invoke.texi: Restore documentation of the drivers' switches -MD
5647 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5649 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5651 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5652 check-objc//%): Support parallel testing of multilibs.
5653 (TESTSUITEDIR): Set to testsuite by default, but override for
5655 (check-gcc, check-g++, check-g77, check-objc): Enter
5658 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5660 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5661 * sched-deps.c (deps_may_trap_p): Likewise.
5662 * basic-block.h: Remove a comment.
5663 * flow.c (PROP_POSTRELOAD): Remove.
5664 (update_life_info): Don't add it to prop_flags.
5665 (mark_set_1): Lose the code that was enabled by it.
5667 2001-01-11 Michael Hayes <mhayes@redhat.com>
5669 * flow.c (flow_call_edges_add): New.
5670 * basic_block.h (flow_call_edges_add): New.
5672 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5674 * reload1.c (move2add_note_store): Update reg_set_luid even if
5675 base reg remains the same.
5677 2001-01-10 Nick Clifton <nickc@redhat.com>
5679 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5680 machine_function structure to zero.
5681 Add prototypes for machine_status functions.
5683 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5685 * c-common.h (CTI_VOID_LIST): Remove.
5686 (void_list_node): Likewise.
5687 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5688 (void_list_node): New macro.
5689 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5690 * config/i386/i386.c (ix86_init_builtins): Likewise.
5691 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5693 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5695 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5696 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5698 * tradcpp.c: Include mkdeps.h.
5699 (deps, print_deps_phony_targets, deps_append, output_deps,
5700 init_dependency_output, output_deps): New.
5701 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5702 deps_output): Delete.
5703 (print_deps_missing_files): Rename deps_missing_files.
5704 (inhibit_output): Make global.
5705 (main): Delete inhibit_output, deps_stream, deps_target.
5706 Use mkdeps functionality in the same way as cpplib. Remove
5707 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5708 -M and -MM. Remove old handling of deps via deps_out, and
5709 old reading of environment variables.
5710 (get_filename): Update to use deps_add_dep.
5712 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5714 * output.h (make_function_rtl): Remove prototype.
5715 (make_decl_rtl): Likewise.
5716 * varasm.c (make_function_rtl): Remove.
5717 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5718 than from a third parameter.
5719 * tree.h (make_decl_rtl): Remove last parameter.
5720 * c-decl.c (builtin_function): Remove last argument in call to
5721 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5722 (start_function): Likewise.
5723 * except.c (call_get_eh_context): Likewise.
5724 * expr.c (emit_block_move): Likewise.
5725 (clear_storage): Likewise.
5726 * profile.c (output_func_start_profiler): Likewise.
5727 * toplev.c (rest_of_decl_compilation): Likewise.
5728 * objc/objc-act.c (create_builtin_decl): Likewise.
5729 (synth_module_prologue): Likewise.
5730 (generate_static_reference): Likewise.
5731 (build_selector_reference_decl): Likewise.
5732 (build_class_reference_decl): Likewise.
5733 (build_objc_string_decl): Likewise.
5734 (build_protocol_reference): Likewise.
5736 2001-01-10 Richard Henderson <rth@redhat.com>
5738 * hwint.h: Revert yesterday's change.
5740 2001-01-10 Nick Clifton <nickc@redhat.com>
5742 * function.h (save_machine_status): Delete.
5743 (restore_machine_status): Delete.
5744 Amend comment describing {init|mark|free}_machine_status.
5746 * function.c (save_machine_status): Delete.
5747 (restore_machine_status): Delete.
5748 Amend comment describing {init|mark|free}_machine_status.
5749 (push_function_context_to): Remove invocation of
5750 save_machine_status.
5751 (pop_function_context_from): Remove invocation of
5752 restore_machine_status.
5754 * emit-rtl.c (init_emit_once): Amend comment describing
5755 {init|mark|free}_machine_status.
5757 * tm.texi (Per-Function Data): New node. Describe the
5758 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5761 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5763 * cppinit.c (OPT_g): Remove.
5764 (cpp_handle_option): Update for removed -g3.
5765 (print_help): Update.
5766 * cpplib.h (struct cpp_options): Remove debug_output.
5767 * cppmain.c (setup_callbacks, cb_define): Update.
5768 * gcc.c (cpp_options): Translate -g3 to -dD.
5770 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5772 * config/i960/i960.md: Change modifier to + on the zero_extract
5773 pattern after the (rotate -2 reg) canonicalization pattern.
5775 2001-01-10 Richard Henderson <rth@redhat.com>
5777 * config/alpha/alpha.c (alpha_free_machine_status): New.
5778 (override_options): Install it.
5779 (alpha_mark_machine_status): Verify machine non-null.
5780 * config/i386/i386.c (ix86_free_machine_status): New.
5781 (override_options): Install it.
5782 (ix86_init_machine_status): Use xcalloc.
5783 (ix86_mark_machine_status): Verify machine non-null.
5784 * config/ia64/ia64.c (ia64_free_machine_status): New.
5785 (ia64_override_options): Install it.
5786 (ia64_mark_machine_status): Verify machine non-null.
5788 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5790 * function.c (instantiate_virtual_regs): Instantiate virtual
5791 registers found in CALL_INSN_FUNCTION_USAGE.
5793 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5795 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5796 equivalent to -ansi in disabling -Di386.
5798 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5800 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5802 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5804 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5806 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5808 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5810 * invoke.texi: Document that -fcond-mismatch isn't supported for
5813 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5815 * gcc.texi: Define macro gcctabopt.
5816 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5817 @command, @env and @option in some places where appropriate. Use
5818 @gcctabopt where appropriate. Put URLs and email addresses inside
5821 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5823 * gcc.c (cpp_options): Set MD file name from output
5824 filename, if specified.
5825 (suffix_subst): New static variable.
5826 (do_spec): Clear it.
5827 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5829 (give_switch): Handle suffix_subst.
5831 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5833 * invoke.texi: Fix another typo.
5835 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5837 * invoke.texi: Fix typo.
5839 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5841 * c-lang.c (lang_hooks): Update.
5842 (lang_decode_option): Remove.
5843 (lang_init_options): Rename c_init_options.
5844 * toplev.c (main): Use lang_hooks for lang_init_options
5845 and lang_decode_option.
5846 * toplev.h (lang_hooks): Add 2 new hooks.
5847 * tree.h: Remove lang_init_options and lang_decode_option.
5848 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5849 * cp/decl2.c: Similarly.
5850 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5851 (lang_hooks): Update.
5852 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5854 (lang_init_options): Rename ffe_init_options.
5855 (lang_hooks): Update.
5856 (lang_decode_option): Remove.
5857 * java/lang.c (lang_init_options): Rename java_init_options.
5858 (lang_decode_option): Rename java_decode_option.
5859 (lang_hooks): Update.
5860 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5861 (lang_decode_option): Rename objc_decode_option.
5862 (lang_hooks): Update.
5864 2001-01-09 Nick Clifton <nickc@redhat.com>
5866 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5867 (d30v_return_addr_rtx): Delete.
5868 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5869 cfun->machine structure.
5870 (struct machine_function): Move to d30v.h
5871 (d30v_save_machine_status): Delete.
5872 (d30v_restore_machine_status): Delete.
5873 (d30v_init_machine_status): New Function.
5874 (d30v_mark_machine_status): New Function.
5875 (d30v_free_machine_status): New Function.
5876 (d30v_init_expanders): Use new functions.
5877 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5878 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5879 d30v_return_addr_rtx.
5881 * config/d30v/d30v.h (struct_machine): Move here.
5882 Add eh_epilogue_sp_ofs field.
5884 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5885 field in cfun->machine structure.
5887 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5889 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5890 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5891 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5893 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5895 * objc/lang-options.h: Remove bogus reference to
5898 2001-01-09 Kazu Hirata <kazu@hxi.com>
5900 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5903 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5905 * reload.c (find_reloads_address): Check for eliminable registers
5906 when substituting a constant expression for a pseudo.
5908 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5910 * c-common.c (enum format_type): Add format_type_error.
5911 (decode_format_type): New function.
5912 (decl_attributes): Use it.
5913 (format_kind_info): Adjust comment.
5915 2001-01-09 David O'Brien <obrien@BSDi.com>
5917 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5918 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5920 * config/i386/gnu.h: Don't include required platform specific .h files,
5921 tm.h will do it instead.
5922 * config/i386/i386elf.h: Likewise.
5923 * config/i386/linux.h: Likewise.
5924 * config/i386/moss.h: Likewise.
5925 * config/mips/gnu.h: Likewise.
5927 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5929 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5930 (rs6000-ibm-aix3.[01]*): Likewise.
5931 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5932 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5933 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5934 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5935 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5936 (powerpc-*-eabiaix*): Likewise.
5937 (powerpc-*-eabisim*): Likewise.
5938 (powerpc-*-elf*): Likewise.
5939 (powerpc-*-eabi*): Likewise.
5940 (powerpc-*-rtems*): Likewise.
5941 (powerpc-*-linux*libc1): Likewise.
5942 (powerpc-*-linux*): Likewise.
5943 (powerpc-wrs-vxworks*): Likewise.
5944 (powerpcle-wrs-vxworks*): Likewise.
5945 (powerpcle-*-sysv*): Likewise.
5946 (powerpcle-*-elf*): Likewise.
5947 (powerpcle-*-eabisim*): Likewise.
5948 (powerpcle-*-eabi*): Likewise.
5949 (powerpcle-*-solaris2*): Likewise.
5950 * config/rs6000/aix31.h: Delete includes.
5951 * config/rs6000/aix3newas.h: Likewise.
5952 * config/rs6000/aix41.h: Likewise.
5953 * config/rs6000/aix43.h: Likewise.
5954 * config/rs6000/beos.h: Likewise.
5955 * config/rs6000/rtems.h: Likewise.
5956 * config/rs6000/sysv4.h: Likewise.
5958 2001-01-09 Kazu Hirata <kazu@hxi.com>
5960 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5961 Change an argument mode of machine_mode to shift_mode of
5962 shift_mode. Remove an extra error check.
5963 (emit_a_shift): Adopt to the new calling prototype of
5965 (function_prologue): Fix code for a monitor
5966 function. Support H8/S.
5967 (function_epilogue): Do not output pop for a monitor function.
5969 2001-01-09 Nick Clifton <nickc@redhat.com>
5971 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5972 (setup_incoming_varargs): Use sysv_varargs_p field of the
5973 cfun->machine structure.
5974 (struct machine_function): Move to rs6000.h
5975 (rs6000_save_machine_status): Delete.
5976 (rs6000_restore_machine_status): Delete.
5977 (rs6000_init_machine_status): New Function.
5978 (rs6000_free_machine_status): New Function.
5979 (rs6000_init_expanders): Use new functions.
5981 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5983 (struct machine_function): Move here.
5985 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5986 sysv_varargs_p field of the cfun->machine structure.
5988 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5990 (rs6000_restore_machine_status): Remove prototype.
5992 2001-01-09 Richard Henderson <rth@redhat.com>
5994 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5995 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5996 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5997 (sched_analyze_2, sched_analyze_insn): Likewise.
5998 (sched_analyze, init_deps): Likewise.
5999 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6000 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6001 (compute_block_backward_dependences): Update propagate_deps call.
6003 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6005 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6007 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6009 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6010 (cpp_handle_option): Handle them.
6011 (cpp_post_options): Ensure one of -M or -MM is specified with
6012 any other -M? option.
6013 (init_dependency_output): Suppress output with -MG.
6015 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6018 * invoke.texi: Update.
6020 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6022 * sh.md (reload_outsf): Generate recognizable patterns for
6025 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6027 * c-lang.c (lang_hooks): Update.
6028 (lang_init): Rename c_init.
6029 (lang_finish): Remove.
6030 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6032 * toplev.h (lang_hooks): Add init () and finish ().
6033 * tree.h (lang_init, lang_finish): Remove.
6034 * cp/tree.h (lang_init, lang_finish): Remove.
6035 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6036 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6038 (lang_init, lang_finish): Remove.
6039 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6040 (lang_hooks): Update.
6041 * java/lang.c (lang_init): Rename java_init.
6042 (lang_finish): Remove.
6043 (lang_hooks): Update.
6044 * objc/objc-act.c (lang_init): Rename objc_init.
6045 (lang_finish): Remove.
6046 (lang_hoooks): Update.
6048 20001-01-09 Graham Stott <grahams@redhat.com>
6050 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6051 after `ptr` is initialised.
6053 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6055 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6056 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6057 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6058 stack adjusts, instead of r3.
6060 2001-01-09 Michael Hayes <mhayes@redhat.com>
6062 * flow.c (flow_loop_scan): Break out of ...
6063 (flow_loops_find) ... here.
6064 * basic-block.h (flow_loop_scan): New.
6065 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6066 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6068 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6070 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6072 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6073 realloc()ing macro_buffer.
6075 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6076 if it's wider than long and the target's long is wider than the
6079 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6081 Remove support for using UWIN as a host machine.
6082 * configure.in: Issue an error message.
6083 * configure: Regenerated.
6084 * config.gcc: Remove xm_* UWIN configury.
6085 * config/i386/xm-uwin.h: Remove.
6087 2001-01-08 Nick Clifton <nickc@redhat.com>
6089 * config/v850/v850.c (ra_rtx): Delete.
6090 (v850_save_machine_status): Delete.
6091 (v850_restore_machine_status): Delete.
6092 (v850_init_machine_status): New function.
6093 (v850_mark_machine_status): New function.
6094 (v850_free_machine_status): New function.
6095 (v850_return_addr): Use ra_rtx field in machine structure.
6096 (v850_init_expanders): Use new functions.
6098 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6099 * config/v850/v850.c: Change arguments to v850_output+* functions
6100 to take a const char *, to avoid compile time warning.
6101 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6102 (USER_LABEL_PREFIX): Redefine.
6104 2000-01-08 Jim Wilson <wilson@redhat.com>
6106 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6107 1 to unsigned HOST_WIDE_INT before left shift.
6109 2001-01-08 Nick Clifton <nickc@redhat.com>
6111 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6112 the machine structure has been allocated.
6113 (arm_free_machine_status): New function: Free the machine
6114 specific function structure.
6116 2001-01-08 Richard Henderson <rth@redhat.com>
6118 * jump.c (simplejump_p): Revert last change.
6120 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6122 * cppinit.c (init): Rename init_library.
6123 (cpp_create_reader): Update.
6124 * gcc.c (cpp_options): If -o given, use it as the target of
6127 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6129 * arm.c (arm_arch5e): New variable.
6130 (all_cores): XScale is a 5TE device.
6131 (arm_override_options): Set arm_arch5e.
6132 (arm_init_builtins): __builtin_prefetch is in arch5e.
6133 * arm.h (arm_arch5e): Declare it.
6135 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6137 * arm.md (define_constants): Add defines for UNSPEC and
6138 UNSPEC_VOLATILE insns. Update all users.
6139 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6140 * arm.c (multi_register_push, note_invalid_constants)
6141 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6142 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6143 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6145 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6147 * jump.c (jump_optimize_1): Use reversed_comparison_code
6148 instead of can_reverse_comparison_p.
6149 (jump_back_p): Likewise.
6150 (invert_exp_1): Likewise.
6151 (thread_jumps): Likewise.
6152 * simplify-rtx.c (simplify_unary_operation): Likewise.
6153 (simplify_ternary_operation): Likewise.
6154 * cse.c (find_comparison_args): Convert to use
6155 can_reverse_comparison_p.
6156 (record_jump_equiv): Likewise.
6158 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6160 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6161 (EPILOGUE_USES): Define.
6162 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6163 automatically stack the LR if it isn't live.
6165 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6167 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6170 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6172 * ggc-page.c (max_alignment): New structure.
6173 (MAX_ALIGNMENT): New macro.
6174 (init_ggc): Use it to round up the sizes in the
6175 extra_order_size_table.
6177 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6179 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6182 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * builtins.def (BUILT_IN_FPRINTF): New entry.
6186 * c-common.c (c_expand_builtin_fprintf): New function.
6187 (init_function_format_info): Handle __builtin_fprintf.
6188 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6189 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6191 * c-decl.c (duplicate_decls): Adjust comment.
6193 * extend.texi (fprintf): Document new builtin.
6195 2001-01-07 Richard Henderson <rth@redhat.com>
6197 * jump.c (simplejump_p): Recognize any single_set jump
6200 2001-01-07 Richard Henderson <rth@redhat.com>
6202 * configure.in (slibdir): Accept an --with-slibdir option.
6203 Use "test" not "[" in configure. Default to $(libdir).
6205 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6207 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6208 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6209 (SHLIB_LINK): Create links for the soname.
6210 * config/mips/t-iris6: Likewise.
6211 * config/sparc/t-slibgcc: Likewise.
6212 * config/sparc/t-slibgcc-sld: Likewise.
6214 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6216 * config/i386/i386.c (constant_call_address_operand): Accept
6217 (const (plus (symbol_ref) (const_int))).
6218 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6219 constant_call_address_operand.
6221 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6223 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6224 and LONG_LONG_TYPE_SIZE > 32.
6226 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6228 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6229 the previous change.
6231 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6233 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6235 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6236 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6237 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6240 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6242 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6244 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6246 * c-lang.c (c_post_options): Call cpp_post_options.
6247 * objc/objc-act.c (objc_post_options): Similarly.
6248 * cppmain.c (main): Similarly.
6249 * fix-header.c (read_scan_file): Similarly.
6250 * cppinit.c (cpp_start_read): Move option consistency checks
6251 to cpp_post_options. Don't call init_dependency_output.
6252 If needed, add default target and main file dependency.
6253 (OPT_MD, OPT_MMD): Remove.
6255 (cpp_handle_option): Update for OPT_* changes.
6256 (cpp_post_options): New.
6257 (init_dependency_output): Command line -MF overrides environment
6258 variables. Don't set default target etc. Suppress output
6259 if dependencies are going to stdout.
6260 (print_help): Update.
6261 * cpplib.h (cpp_post_options): New.
6262 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6264 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6266 * jump.c (comparison_dominates_p): Support unordered compares.
6268 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6270 * simplify-rtx.c (simplify_relational_operation): Always simplify
6271 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6274 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6276 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6277 (nonzero_bits): Likewise.
6278 (simplify_comparison): Likewise.
6279 (num_sign_bit_copies): Likewise; return more sane value depending
6280 on STORE_FLAG_VALUE.
6281 (known_cond): Do not assume EQ to be always true for equivalent
6284 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6286 * cse.c (fold_rtx): Handle unordered comparisons.
6288 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6290 * rtlanal.c (set_of_1): New static function.
6291 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6292 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6293 reg_set_last_last_regno): Remove.
6294 (set_of): New global function.
6295 (set_of_data): New structure.
6296 (reg_set_p, reg_set_last): Revamp for set_of.
6297 * rtl.h (set_of): New.
6299 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6301 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6302 * extend.texi: Document _Exit builtin.
6304 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6306 * (initialize, initialize_builtins,
6307 initialize_dependency_output, initialize_standard_includes):
6308 Rename s/initialize/init. Update.
6309 (init_dependency_output): Move to after
6310 cpp_handle_options, the correct location temporally at least.
6311 (opt_comp): Move next to init (), its caller. Fix prototype.
6312 (init): Make "initialized" local scope.
6313 (cpp_create_reader): Always call init ().
6314 (cpp_start_read): Update.
6315 (output_deps): New function, broken out of cpp_finish.
6316 (cpp_finish): Break out output_deps.
6318 2001-01-07 Richard Henderson <rth@redhat.com>
6320 * collect2.c (COFF specific stuff): Revert 12-06 patch
6321 to prototype system functions.
6323 2001-01-07 Michael Hayes <mhayes@redhat.com>
6325 * hard-reg-set.h: Add multiple include guard.
6326 * basic-block.h (struct loop): Add `sink' field.
6327 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6328 (emit_iv_add_mult): Delete.
6329 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6330 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6331 (unroll_loop): Remove end_insert_before argument.
6332 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6333 (maybe_eliminate_biv_1): Likewise.
6334 (emit_iv_add_mult): Delete.
6335 (gen_add_mult, loop_regs_update): New.
6336 (loop_insn_emit_after, loop_insn_emit_before): New.
6337 (loop_insn_sink, loop_insn_sink_or_swim): New.
6338 (emit_iv_add_mult): Delete.
6339 (scan_loop): Set loop->sink.
6340 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6341 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6342 (maybe_eliminate_biv_1): Likewise.
6343 (maybe_eliminate_biv_1): Add basic block argument.
6344 * unroll.c (unroll_loop): Remove end_insert_before argument.
6345 (find_splittable_regs): Likewise.
6346 (find_splittable_regs): Use loop_insn_sink and its ilk.
6347 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6349 2001-01-07 Michael Hayes <mhayes@redhat.com>
6351 * loop.h (loop_insn_hoist): New prototype.
6352 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6353 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6354 (check_dbra_loop, load_mems): Likewise.
6355 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6356 (find_splittable_givs): Likewise.
6358 2001-01-07 Michael Hayes <mhayes@redhat.com>
6360 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6362 2001-01-07 Richard Henderson <rth@redhat.com>
6364 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6366 2001-01-07 Richard Henderson <rth@redhat.com>
6368 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6369 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6370 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6371 variant that handles a shared libgcc.
6372 (process_command): Always validate -{static,shared}-libgcc.
6373 (do_spec_1): New 'M' case.
6374 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6376 2001-01-07 Richard Henderson <rth@redhat.com>
6378 * Makefile.in (slibdir): New variable.
6379 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6380 (installdirs): Create slibdir.
6381 (install-libgcc, install-multilib): Defer to libgcc.mk.
6382 * configure.in (slibdir): Substitute.
6383 * mklibgcc.in (install): New target.
6385 * config/t-linux (SHLIB_LINK): Create links for the soname.
6386 (SHLIB_INSTALL): New.
6387 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6388 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6389 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6390 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6391 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6393 2001-01-07 Richard Henderson <rth@redhat.com>
6395 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6396 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6397 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6399 2001-01-07 Michael Hayes <mhayes@redhat.com>
6401 * loop.c (count_loop_regs_set): Delete.
6402 (load_mems_and_recount_loop_regs_set): Delete.
6403 (loop_regs_scan): Merge common code from count_loop_regs_set,
6404 scan_loop, and load_mems_and_recount_loop_regs_set.
6405 (scan_loop): Call load_mems directly and loop_regs_scan
6406 again if new registers created.
6408 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6410 * toplev.c (main): Call the front-end specific post_options
6411 hook if one is given.
6412 * toplev.h (struct_lang_hooks, lang_hooks): New.
6413 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6414 for the C front end.
6415 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6416 lang_hooks for the C++ front end.
6417 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6418 lang_hooks for the ObjC front end.
6419 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6420 * java/lang.c (lang_hooks): Hooks for the Java front end.
6422 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6424 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6425 for verbose DWARF[2] debugging.
6426 (cb_define, cb_undef): The new callbacks.
6427 * toplev.h (debug_define, debug_undef): Make const correct.
6428 * toplev.c (debug_define, debug_undef): Similarly. Do not
6429 perform the verbosity tests here anymore.
6431 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6433 * reload.c (subst_reloads): Take INSN argument. When
6434 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6435 * reload.h (subst_reloads): Adjust prototype.
6436 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6437 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6438 present in JUMP_INSNs and copy them to JUMP_LABEL.
6439 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6440 JUMP_INSNs and insns with REG_LABELs that are followed by
6441 JUMP_INSNs with the same REG_LABEL.
6442 * sched-rgn.c (is_cfg_nonregular): Likewise.
6443 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6445 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6447 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6449 2001-01-06 Richard Henderson <rth@redhat.com>
6451 * loop.c (scan_loop): Use xcalloc for the regs array.
6452 (load_mems_and_recount_loop_regs_set): Zero the new memory
6453 received from xrealloc.
6455 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6457 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6459 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6461 * integrate.c (copy_rtx_and_substitute): When copying
6462 an ignored return value, strip REG_FUNCTION_VALUE_P.
6464 2001-01-06 Michael Hayes <mhayes@redhat.com>
6466 * loop.c (debug_biv, debug_giv): New.
6467 (loop_biv_dump): Break out from ...
6468 (record_biv): ... here.
6469 (loop_giv_dump): Break out from ...
6470 (record_giv): ... here.
6471 (loop_bivs_check): Use print_simple_rtl.
6472 * unroll.c (loop_iterations): Use print_simple_rtl.
6474 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6476 * pa.md (return, return_internal): Modify patterns to prevent regrename
6477 mucking with the return pointer.
6479 2001-01-05 Richard Henderson <rth@redhat.com>
6481 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6483 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6485 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6486 version supplied by Matteo Frigo.
6488 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6490 * cpp.texi: Update for -MQ.
6491 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6492 (cpp_cleanup): Always free pfile->deps.
6493 (initialize_dependency_output): Don't create pfile->deps.
6494 (cpp_handle_option): Similarly.
6496 * gcc.c (cpp_options): Handle -MQ.
6497 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6498 * mkdeps.c (base_name): Remove.
6499 (deps_init): Don't allocate vector space until it's needed.
6500 (deps_free): Only free vectors if allocated.
6501 (deps_add_target, deps_add_dep): Update for initial allocation.
6502 (deps_add_default_target): Don't strip to the base_name.
6504 2001-01-05 DJ Delorie <dj@redhat.com>
6506 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6507 (INIT_EXPANDERS): Define.
6509 * config/v850/v850.c (struct machine_function): Define.
6510 (v850_save_machine_status): New function.
6511 (v850_restore_machine_status): New function.
6512 (v850_return_addr): New function.
6513 (v850_init_expanders): New function.
6515 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6516 and v850_init_expanders.
6518 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6520 * cpplib.h (struct cpp_reader): Add help_only field.
6521 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6522 (cpp_handle_option): Set pfile->help_only if we see -h,
6523 --help, -target-help, or --version. Print version string but
6524 do not set help_only if we see -v or -version. Make text
6525 printed by -v match that printed by (-)-version.
6527 * cppmain.c (main): Exit after option parsing if
6528 pfile->help_only is true.
6530 * toplev.c (independent_decode_option): Call print_version,
6531 then exit, if we see --version (but not -version).
6532 (print_version): Split lengthy message into two lines.
6534 2001-01-05 Nick Clifton <nickc@redhat.com>
6536 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6537 temporary string for initialisation before calling ggc_alloc_string.
6539 2001-01-06 Michael Hayes <mhayes@redhat.com>
6541 * rtl.h (print_simple_rtl): New.
6542 * print-rtl.c (print_simple_rtl): New.
6544 (print_rtx): Disable printing of flags and modes, etc.,
6545 if `flag_simple` nonzero.
6547 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6549 * function.c (fixup_var_refs): Use push_to_full_sequence where
6552 2001-01-05 Michael Meissner <meissner@redhat.com>
6554 * flags.h (flag_reorder_blocks): Add declaration.
6555 (flag_rename_block): Ditto.
6557 2001-01-05 DJ Delorie <dj@redhat.com>
6559 * function.c (reorder_blocks): Make sure the flags are all reset
6560 before using them to mark blocks, else a second invocation will
6561 corrupt the block chain.
6562 (reorder_blocks_0): New, resets the flags.
6564 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6566 * cse.c (find_comparison_args): Stop if the argument is known to
6569 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6571 * config/sh/sh.md (movdf): When splitting load into pair of
6572 registers, don't clobber the register used in the address too
6575 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6577 * varasm.c (mark_constant_pool): Improve initial comments.
6578 (mark_constants): Move marking of constants to mark_constant.
6579 (mark_constant): New function to recursively mark all constants
6580 referred to by a constant.
6582 2001-01-05 Catherine Moore <clm@redhat.com>
6584 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6586 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6588 * cp/lang-options.h: Bring comment in line with reality.
6589 * f/lang-options.h: Likewise.
6590 * java/lang-options.h: Likewise.
6591 * objc/lang-options.h: Likewise.
6592 * ch/lang-options.h: Likewise.
6593 * f/g77.texi: And update the manual.
6595 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6596 Denis Chertykov <denisc@overta.ru>
6598 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6599 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6600 * config/avr/avr.md (all peepholes that request a scratch register):
6601 Call it, FAIL the peephole if not safe (in interrupt functions).
6603 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6605 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6607 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6609 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6611 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6612 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6613 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6614 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6615 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6617 * extend.texi: Document these builtins.
6619 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6621 * c-common.c (lang_get_alias_set): Say we know nothing of
6622 VECTOR_TYPE aliasing.
6624 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6626 2001-01-05 Bruce Korb <bkorb@gnu.org>
6628 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6629 their x* equivalent versions for atexit-less systems
6630 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6631 systems (or any other system any more).
6633 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6635 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6636 output operands. Use arm_hard_register_operand for operand 4.
6637 (stmsi_postinc): Similarly.
6638 (ldmsi): Use arm_hard_register_operand for opernand 2.
6640 * arm.c (arm_hard_register_operand): New function.
6641 * arm-protos.h (arm_hard_register_operand): Prototype it.
6643 * arm.h (HARD_REGNO_RENAME_OK): Define.
6645 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6647 * simplify-rtx.c (cfc_args): add "unordered" field.
6648 (check_fold_consts): Set unordered field.
6649 (simplify_relational_operation): Simplify the unordered
6652 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6655 * emit-rtl.c (try_split): Fix code to mark labels.
6656 * jump.c (mark_jump_label): Make global.
6657 * rtl.h (mark_jump_label): Declare.
6659 * predict.c (estimate_probability): Handle unordred comparisons.
6661 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6663 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6664 * cppinit.c (initialize_dependency_output): Update.
6665 (cpp_finish): Output dummy targets for -MP.
6667 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6668 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6669 * gcc.c (cpp_options): Update to handle -MP.
6670 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6671 to quote only the default target.
6672 (deps_phony_targets): Insert a preceding newline. Rename from
6673 deps_dummy_targets for consistency.
6676 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6678 * calls.c (emit_library_call_value_1): Support
6679 INIT_CUMULATIVE_LIBCALL_ARGS.
6680 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6682 2001-01-04 Richard Henderson <rth@redhat.com>
6684 * c-decl.c (finish_struct): Detect flexible array members
6685 used in an inappropriate context.
6686 * c-typeck.c (really_start_incremental_init): Special case
6687 constructor_max_index for zero length arrays.
6688 (pop_init_level): Allow initialization of flexible array
6689 members. Deprecate initialization of zero length arrays.
6690 Don't issue missing initializer warning for flexible array
6691 members or zero length arrays.
6692 (process_init_element): Don't dereference null DECL_SIZE.
6693 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6694 Don't abort for empty constructors. Use size_binop
6695 (output_constructor): Add commentary regarding zero length
6696 array futures. Abort if we try to initialize an array of
6697 unspecified length with a non-empty constructor in the middle
6700 * extend.texi (Zero Length): Update and clarify documentation
6701 on static initialization.
6703 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6705 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6706 with more than 32767 words of local storage.
6708 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6710 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6711 for 'abs', 'labs', and 'fabs'.
6712 (c4x_expand_builtin): Likewise.
6713 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6715 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6717 * config/sh/sh.md (prget, prset): New insn types.
6718 (return delay slot): Dont' allow prset.
6719 (call, sfunc delay slot): Don't allow prget.
6720 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6721 for prset and prget.
6723 2001-01-05 Michael Hayes <mhayes@redhat.com>
6725 * loop.h (struct loop_reg): New.
6726 (struct loop_regs): Change to use array of `struct loop_reg'.
6727 * loop.c: Replace assortment of varrays with single regs array.
6728 (count_one_set): Delete may_not_move array argument
6729 and use regs array instead. All caller's changed.
6730 (count_loop_regs_set): Delete may_not_move and single_usage
6731 arguments and use regs array instead. All caller's changed.
6732 (find_single_use_in_loop): Replace usage array argument with pointer
6733 to regs structure. All caller's changed.
6734 (loop_optimize): Delete `moved_once' array.
6736 2001-01-05 Michael Hayes <mhayes@redhat.com>
6738 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6739 Use it instead of loop_info->has_call for scanning loop mems.
6740 (check_dbra_loop): Replace loop_info->has_call test with
6741 loop_info->has_nonconst_call.
6743 2000-01-04 Matthew Hiller <hiller@redhat.com>
6745 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6748 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6750 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6751 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6753 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6755 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6756 (flag_short_double, flag_short_wchar): Define.
6757 (c_common_nodes_and_builtins): Create many tree nodes shared
6758 between C and C++ here instead of in cp/decl.c and ...
6759 * c-decl.c (init_decl_processing): ... here.
6760 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6761 (flag_short_double, flag_short_wchar): Don't define.
6762 (record_builtin_type): New function.
6763 (build_void_list_node): New function.
6764 * c-common.h (flag_short_double, flag_short_wchar,
6765 record_builtin_type, build_void_list_node): Declare.
6767 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6769 * integrate.c (expand_inline_function): Don't put a virtual
6770 register into the reg map.
6772 * function.c (fixup_var_refs_1): If force_operand didn't put
6773 the address into the target, move it there.
6775 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6777 Special-case tree_decl/tree_list allocations.
6778 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6779 (OBJECT_SIZE): New macro.
6780 (NUM_EXTRA_ORDER): Likewise.
6781 (extra_order_size_table): New variable.
6782 (NUM_ORDERS): New macro.
6783 (objects_per_page_table): New variable.
6784 (object_size_table): New variable.
6785 (G.pages): Use NUM_ORDERS to bound the array.
6786 (G.page_tails): Likewise.
6787 (DIV_ROUND_UP): Remove.
6788 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6789 (alloc_page): Use OBJECT_SIZE.
6790 (size_lookup): Don't make it const.
6791 (ggc_alloc): Use OBJECT_SIZE.
6792 (ggc_set_mark): Likewise.
6793 (ggc_get_size): Likewise.
6794 (init_ggc): Set up the object_size_table, objects_per_page_table,
6795 and adjust size_lookup.
6796 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6797 (ggc_pop_context): Use NUM_ORDERS.
6798 (clear_marks): Likewise.
6799 (sweep_pages): Likewise.
6800 (poison_pages): Likewise.
6801 (ggc_print_statistics): Use OBJECT_SIZE.
6803 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6805 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6806 Only call array_size_for_constructor if last field and array type
6807 with no upper bound.
6809 2001-01-04 Philip Blundell <philb@gnu.org>
6811 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6812 from bit 31 downwards, if this requires no more insns.
6813 (count_insns_for_constant): New helper function for above.
6815 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6817 * gencodes.c (output_predicate_decls): Remove empty initializer.
6819 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6821 * tree.c (copy_node): Remove documentation about obstacks.
6822 (buidl1): Check that nobody tries to build 2-argument nodes this
6825 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6827 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6830 * gencodes.c (output_predicate_decls): Fill empty initializer
6833 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6835 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6836 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6838 (do_include): Handle missing headers like cpp0.
6839 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6840 paths with first include pathname. Don't strcat to uninitialized
6843 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6845 * regrename.c (regrename_optimize): Don't rename from frame pointer
6846 if frame_pointer_needed.
6847 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6848 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6849 (ia64_reorg): Use it instead of scheduling if ! optimize.
6850 (errata_emit_nops): Properly call asm_noperands.
6851 (ia64_sched_reorder): Finish cycle if we see an asm.
6852 (ia64_variable_issue): Clear scheduling state after asms.
6854 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6856 * cpp.texi: Update for -MT.
6857 * cppinit.c (initialize_dependency_output): Add a default
6858 target if none has been given already.
6859 (no_tgt, OPT_MT): New.
6860 (cpp_handle_option): Handle -MT. Update -M etc.
6861 * cpplib.h (struct cpp_options): Remove deps_target.
6862 * gcc.c (cpp_options): Handle -MT.
6863 * mkdeps.c (struct deps): Move from mkdeps.h.
6864 (deps_calc_target): Rename deps_add_default_target. Add a
6865 default target if none has been specified already.
6866 * mkdeps.h (struct deps): Move to mkdeps.c.
6867 (deps_calc_target): Rename deps_add_default_target.
6869 2000-01-03 Richard Henderson <rth@redhat.com>
6871 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6873 * c-typeck.c (push_init_level): Move checks for flexible array
6874 members and zero length arrays ...
6875 (pop_init_level): ... here. Silently discard empty initializations.
6877 * varasm.c (output_constructor): Update for sizeof change to
6880 * extend.texi (Zero Length): Clarify semantics.
6882 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6884 * configure.in (tm.h): Include isns-codes.h last.
6885 * configure: Rebuilt.
6887 2001-01-03 Richard Henderson <rth@redhat.com>
6889 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6890 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6892 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6894 * tradcpp.c (main): Make sure finclude() is called with a valid
6895 indepth value while handling -include.
6897 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6899 * gencodes.c (output_predicate_decls): New function.
6901 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6902 even if it is not the first time machmode.h is #included.
6903 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6904 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6905 * gcc.texi (Copyright): Added 2001.
6907 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6909 * c-common.c (c_common_lang_init): New function. Warn if format
6910 warning options which only have effects when used with -Wformat
6911 are used without -Wformat.
6912 * c-common.h (c_common_lang_init): Declare.
6913 * c-lang.c (lang_init): Call c_common_lang_init.
6914 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6916 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6918 * configure.in: Check for the mktemp command.
6919 * configure: Regenerate.
6920 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6921 $TEMP. Create temporary files with mktemp, if available at
6922 configure time; otherwise use set -C. Remove temporary files
6925 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6927 * configure.in: Require at least texinfo 4.0. Check for whether
6928 Pod::Man is sufficiently recent to regenerate GCC manpages.
6929 * configure: Regenerate.
6930 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6932 (GENERATED_MANPAGES): Define.
6933 (generated-manpages): New target. Depend on cpp.1 as well as
6935 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6936 configure to generated-manpages or empty) rather than on the
6937 manpages directly. Remove execute permission from installed
6938 gcov.1 as well as cpp.1.
6939 * cpp.1, gcov.1: Regenerate.
6941 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6943 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6944 tree_low_cst. Allow using cmpstrsi in more cases.
6946 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6948 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6951 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6953 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6954 * Makefile.in (HOST_CFLAGS): Mention build-make.
6956 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6958 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6961 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6963 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6966 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6969 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6970 reg_base_value and reg_known_value arrays.
6971 (init_alias_analysis): Add more cases to detect known values.
6972 * sched-deps.c (deps_may_trap_p): New function.
6973 (sched_analyze_2): Use it.
6975 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6977 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6978 don't discard an ASHIFTRT if we're shifting in a wider mode.
6980 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6982 * toplev.c (rest_of_compilation): Don't print basic block information
6983 when CFG isn't up to date.
6985 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6987 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6988 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6989 (UNALIGNED_SHORT_ASM_OP): Define.
6990 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6992 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6994 * fold-const.c (fold_convert): Fix typo.
6996 2001-01-02 Richard Henderson <rth@redhat.com>
6998 * c-common.h (ASM_INPUT_P): New.
6999 * c-parse.in (asm): Set it when needed.
7000 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7001 existance of an operand.
7003 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7005 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7006 (dwarf2out_frame_debug_expr): Likewise.
7007 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7009 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7011 * i386.c (ix86_split_to_parts): Return number of part required;
7013 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7015 (ix86_split_long_move): Use number of part returned
7016 by ix86_split_to_parts
7017 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7019 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7020 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7021 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7022 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7023 (ALIGN_MODE_128): Add TFmode.
7024 (IS_STACK_MODE): Likewise.
7025 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7026 (HARD_REGNO_OK): Support TFmodes.
7027 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7028 * i386.md (scheduler definitions): Use memory operand to determine
7029 fst/fld instructions; use mode attribute to determine real mode of
7031 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7032 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7034 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7036 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7038 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7040 * expr.c (store_constructor_field): Update ALIGN before calling
7043 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7045 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7048 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7050 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7053 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7055 * c-decl.c (start_function): Don't warn on third parameter to main.
7057 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7059 * tsystem.h: Define HAVE_DECL_GETOPT.
7061 2001-01-02 Philip Blundell <pb@futuretv.com>
7063 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7066 2001-01-02 Richard Henderson <rth@redhat.com>
7068 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7070 2001-01-02 Andreas Jaeger <aj@suse.de>
7072 * c-decl.c (c_decode_option): Remove support of
7075 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7076 (W_options): Add -Wmissing-noreturn here.
7078 * flow.c: Define lang_missing_noreturn_ok_p.
7079 (check_function_return_warnings): Use it.
7081 * c-common.h: Declare lang_missing_noreturn_ok_p.
7083 * c-lang.c (c_missing_noreturn_ok_p): New function.
7084 (lang_init): Set lang_missing_noreturn_ok_p.
7086 * invoke.texi (Warning Options): Document this.
7088 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7090 * extend.texi (C++ Extensions): New node for C++ attributes;
7091 describe init_priority and com_interface.
7092 * invoke.texi: Remove -finit-priority as it now has zero effect.
7093 * install.texi: Fix xref syntax.
7094 * md.texi: Likewise.
7096 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7098 * config.gcc (sparc64-wrs-vxworks*): New case.
7099 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7101 * config/sparc/sparc.c (sparc_override_options): Do support different
7102 pointer and architecture size.
7103 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7104 (POINTERS_EXTEND_UNSIGNED): Define.
7105 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7106 (FUNCTION_MODE): Define to be Pmode.
7107 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7109 * function.c (expand_function_end): Properly handle DECL_RESULT
7110 and copy when ptr_mode != Pmode.
7111 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7113 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7115 * c-common.c (c_common_nodes_and_builtins): Set prototype
7116 parameters for __builtin_fputs, __builtin_fputc and
7117 __builtin_fwrite. Don't declare plain fputc as a builtin.
7119 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7121 * loop.c (add_label_notes): Increment the label usage count when
7122 a note is added to an insn which refers to a CODE_LABEL.
7123 * gcse.c (add_label_notes): Likewise.
7125 2001-01-01 Andreas Jaeger <aj@suse.de>
7127 * loop.c (scan_loop): Use xmalloc to allocate movables.
7129 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7131 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7132 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7133 * reload1.c (REGISTER_MOVE_COST): Likewise.
7134 * regclass.c (REGISTER_MOVE_COST): Likewise.
7135 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7136 dimension. Adjust all users.
7137 (init_reg_sets_1): Iterate on all modes.
7138 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7139 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7140 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7141 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7142 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7143 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7144 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7145 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7146 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7147 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7148 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7149 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7150 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7151 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7152 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7153 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7154 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7155 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7156 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7157 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7158 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7159 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7160 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7161 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7162 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7163 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7164 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7166 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7168 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7169 arg VARIES_P. Call it with extra arg.
7170 (true_dependence): Likewise.
7171 * rtl.h (rtx_addr_can_trap_p): Declare.
7172 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7174 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7175 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7176 pic offset table register if it's zero. All callers changed.
7177 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7179 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7181 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7182 STRING_POOL_ADDRESS_P.
7184 * config/sparc/sparc.c (input_operand): Properly test for short op.
7186 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7187 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7188 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7189 * config/sparc/elf.h: No longer include sol2.h.
7190 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7191 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7193 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7195 2001-01-01 Michael Hayes <mhayes@redhat.com>
7197 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7198 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7199 (record_initial): Likewise.
7200 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7201 (remap_split_bivs): Likewise.
7203 2001-01-01 Michael Hayes <mhayes@redhat.com>
7205 * loop.c (loop_ivs_free): New function.
7206 (strength_reduce): Break out from...
7208 2001-01-01 Michael Hayes <mhayes@redhat.com>
7210 * loop.h (struct iv): New.
7211 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7212 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7213 'reg_biv_class' fields with 'regs' and 'n_regs'.
7214 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7215 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7216 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7218 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7220 * resource.c (mark_referenced_resources): Abort() before
7221 attempting to mark a pseudo register.
7222 (mark_set_resources): Likewise.
7224 2001-01-01 Michael Hayes <mhayes@redhat.com>
7226 * loop.h (REG_IV_CLASS): New accessor macro.
7227 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7228 * unroll.c (REG_IV_CLASS): Likewise.
7230 See ChangeLog.4 for earlier changes.