]> git.ipfire.org Git - thirdparty/gcc.git/blob - gcc/ChangeLog
libcpp/
[thirdparty/gcc.git] / gcc / ChangeLog
1 2005-10-04 Ian Lance Taylor <ian@airs.com>
2
3 PR preprocessor/13726
4 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5 any comments passed in.
6
7 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
8
9 * tree.c (annotate_with_file_line): Fix typo.
10
11 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
12
13 PR ada/19382
14 * builtins.c (fold_builtin_memcmp): When constructing the pointer
15 type used to access data in the inlined length == 1 case, use
16 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
17 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
18
19 2005-10-04 Uros Bizjak <uros@kss-loka.si>
20
21 * config/i386/i386.h (TARGET_FISTTP): Enable also for
22 TARGET_SSE3 and only for TARGET_80387.
23 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
24 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
25 Do not depend on TARGET_80387.
26
27 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
28
29 * tree.c (last_annotated_node): Change type to location_t*.
30 (annotate_with_file_line): Reflect the change of
31 last_annotated_node type.
32
33 2005-10-04 Richard Guenther <rguenther@suse.de>
34
35 PR c/23576
36 * c-decl.c (grokdeclarator): Don't write to fields
37 of error_mark_node.
38
39 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
40
41 PR middle-end/23125
42 * c-decl.c (finish_decl): Use set_user_assembler_name even for
43 register variables.
44 * varasm.c (make_decl_rtl): If a register variable does not
45 have a set user assmbler name, error out.
46 Decode the asmspec is now name+1 bypassing '*'.
47
48 2005-10-04 Steven Bosscher <stevenb@suse.de>
49
50 PR tree-optimization/23049
51 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
52 of a COND_EXPR is folded before calling fold on the whole rhs of a
53 conditional assignment.
54 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
55 document that a COND_EXPR may appear there.
56
57 2005-10-03 Diego Novillo <dnovillo@redhat.com>
58
59 PR 23445
60 * tree-vrp.c (extract_range_from_assert): If the new numeric
61 range created out of the assertion contradicts the existing
62 numeric range of the ASSERT_EXPR variable, make the new range
63 varying.
64
65 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
66
67 * config/sh/sh.c (sh_register_move_cost): Add case for moving
68 from T_REGS to FP register class.
69
70 2005-10-03 Richard Henderson <rth@redhat.com>
71
72 PR 24135
73 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
74 before creating a new one.
75
76 2005-10-03 David Edelsohn <edelsohn@gnu.org>
77
78 * config/rs6000/t-aix43 (LDFLAGS): New.
79 * config/rs6000/t-aix52 (LDFLAGS): New.
80
81 2005-10-03 Ian Lance Taylor <ian@airs.com>
82
83 * gimplify.c (find_single_pointer_decl_1): New static function.
84 (find_single_pointer_decl): New static function.
85 (internal_get_tmp_var): For a formal variable, set restrict base
86 information if appropriate.
87 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
88 return it.
89 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
90 (DECL_GET_RESTRICT_BASE): Define.
91 (SET_DECL_RESTRICT_BASE): Define.
92 (decl_restrict_base_lookup): Declare.
93 (decl_restrict_base_insert): Declare.
94 (struct tree_decl_with_vis): Add based_on_restrict_p field.
95 * tree.c (restrict_base_for_decl): New static variable.
96 (init_ttree): Initialize restrict_base_for_decl.
97 (copy_node_stat): Copy restrict base information.
98 (decl_restrict_base_lookup): New function.
99 (decl_restrict_base_insert): New function.
100 (print_restrict_base_statistics): New static function.
101 (dump_tree_statistics): Call print_restrict_base_statistics.
102
103 2005-10-02 Diego Novillo <dnovillo@redhat.com>
104
105 PR 24142
106 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
107 case of anti-ranges.
108
109 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
110
111 PR c/18851
112 * c-typeck.c (tagged_tu_seen): Rename to ...
113 (tagged_tu_seen_cache): this and add val field.
114 (comptypes): Move functional to comptypes_internal
115 and free tagged_tu_seen.
116 (comptypes_internal): New function and call comptypes_internal
117 instead of comptypes. Speed up by sibcalling
118 tagged_types_tu_compatible_p.
119 (alloc_tagged_tu_seen): New function
120 (free_all_tagged_tu_seen_up_to): New function.
121 (tagged_types_tu_compatible_p): Return the val of the seen two
122 types.
123 Add that the two types are the same to tagged_tu_seen_base
124 if they are and call comptypes_internal instead of comptypes.
125 <case UNION_TYPE>: Speed up common type where the fields are
126 in the same order.
127 (function_types_compatible_p): Call comptypes_internal instead of
128 comptypes.
129 (type_lists_compatible_p): Likewise.
130 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
131
132 2005-10-02 Matthias Klose <doko@debian.org>
133
134 * doc/invoke.texi: Fix typo and speling error.
135
136 2005-10-01 Richard Henderson <rth@redhat.com>
137
138 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
139
140 2005-10-01 Mark Mitchell <mark@codesourcery.com>
141
142 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
143 using --start-group and --end-group.
144
145 2005-10-01 Diego Novillo <dnovillo@redhat.com>
146
147 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
148 FIXME note regarding quirky semantics.
149
150 2005-10-01 Diego Novillo <dnovillo@redhat.com>
151
152 PR 24141
153 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
154 non-null range as a last resort.
155
156 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
157 Diego Novillo <dnovillo@redhat.com>
158
159 PR 23604
160 * tree-vrp.c (extract_range_from_assert): For !=
161 assertions, only build an anti-range if LIMIT is a
162 single-valued range.
163
164 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
165
166 * arm.md (movqi): On thumb when optimizing, handle loading from
167 memory by describing this as taking a subreg of a zero-extended load
168 into an SImode register.
169 (movhi): Likewise.
170
171 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
172
173 * reload1.c (merge_assigned_reloads): Do not change any
174 RELOAD_FOR_OUTPUT_ADDRESS reloads.
175
176 2005-09-30 Geoffrey Keating <geoffk@apple.com>
177
178 * Makefile.in (LIPO_FOR_TARGET): Define.
179 (STRIP_FOR_TARGET): Define.
180
181 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
182 before creating new ones. Do symlinks before creating the actual
183 targets.
184
185 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
186 to work out which multilibs are actually being built.
187
188 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
189
190 * tree-vect-transform.c, config/ms1/ms1.md,
191 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
192 Follow spelling conventions.
193 * doc/invoke.texi, doc/md.texi: Fix typos.
194
195 2005-09-30 Andrew Macleod <amacleod@redat.com>
196
197 PR tree-optimization/21430
198 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
199 use operands, and set stmt pointer if need be.
200 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
201 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
202 present.
203
204 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
205
206 PR middle-end/24053
207 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
208
209 2005-09-29 Mark Mitchell <mark@codesourcery.com>
210
211 * optabs.c (expand_binop): Initialize first_pass_p.
212
213 2005-09-29 Jakub Jelinek <jakub@redhat.com>
214
215 PR middle-end/24109
216 * c-decl.c (c_write_global_declarations_1): If any
217 wrapup_global_declaration_2 call returned true, restart the loop.
218
219 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
220
221 Fix PR tree-optimization/24117
222 * tree-ssa-structalias.c (find_func_aliases): Strip nops
223 before considering whether to use anyoffset.
224
225 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
226
227 Revert this patch:
228
229 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
230
231 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
232 to order operands.
233 (swap_commutative_operands_with_target): New.
234
235 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
236
237 PR c/21419
238 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
239 read-only.
240
241 2005-09-29 Steven Bosscher <stevenb@suse.de>
242
243 PR tree-optimization/23911
244 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
245 and IMAGPART_EXPR too.
246
247 2005-09-28 Mark Mitchell <mark@codesourcery.com>
248
249 PR 17886
250 * expmed.c (expand_shift): Move logic to reverse rotation
251 direction when rotating by constants ...
252 * optabs.c (expand_binop): ... here.
253 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
254 (ix86_rotrdi3): New pattern.
255 (rotldi3): Handle 32-bit mode.
256 (ix86_rotldi3): New pattern.
257
258 2005-09-29 Alan Modra <amodra@bigpond.net.au>
259
260 PR target/24102
261 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
262 check for numbers that need no bit twiddle.
263
264 2005-09-28 Geoffrey Keating <geoffk@apple.com>
265
266 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
267 multilib to be built.
268
269 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
270 (stage1-start): Delete old libgcc and libunwind before moving
271 anything into the stage directory.
272 (stage2-start): Likewise.
273 (stage3-start): Likewise.
274 (stage4-start): Likewise.
275 (stageprofile-start): Likewise.
276 (stagefeedback-start): Likewise.
277 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
278 header in tm_file and CPU-specific t-darwin in tmake_file.
279 (i[34567]86-*-darwin*): Don't change tm_file.
280 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
281 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
282 shared library stub for target OS version.
283 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
284 (SHLIB_LINK): Don't make SHLIB_SOLINK.
285 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
286 (libgcc_s.%.dylib): New.
287 (LIBGCC): Define.
288 (install-darwin-libgcc-stubs): New.
289 (INSTALL_LIBGCC): New append.
290 * config/i386/darwin-libgcc.10.4.ver: New.
291 * config/i386/darwin-libgcc.10.5.ver: New.
292 * config/i386/t-darwin: New.
293 * config/rs6000/darwin-libgcc.10.4.ver: New.
294 * config/rs6000/darwin-libgcc.10.5.ver: New.
295 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
296 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
297
298 2005-09-28 Paul Brook <paul@codesourcery.com>
299
300 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
301 denormals.
302
303 2005-09-28 Richard Guenther <rguenther@suse.de>
304
305 PR tree-optimization/23853
306 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
307 host_integerp to verify misalignment value.
308
309 2005-09-28 Richard Henderson <rth@redhat.com>
310
311 * builtins.c (get_builtin_sync_mode): New.
312 (expand_builtin_sync_operation): Pass in mode argument.
313 (expand_builtin_compare_and_swap): Likewise.
314 (expand_builtin_lock_test_and_set): Likewise.
315 (expand_builtin_lock_release): Likewise.
316 (expand_builtin): Update to match.
317
318 2005-09-28 Nick Clifton <nickc@redhat.com>
319
320 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
321 formatting. Add check to PLUS case to ensure that the offset is
322 within an acceptable range.
323
324 * config/v850/v850.md (casesi): Disable the generation of the
325 switch pattern as it is not being handled properly at the moment.
326
327 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
328 for when the high words are identical.
329
330 2005-09-27 Richard Henderson <rth@redhat.com>
331
332 * pretty-print.c (pp_base_format): Fix typo for %>.
333
334 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
335 Devang Patel <dpatel@apple.com>
336
337 PR tree-optimization/23625
338 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
339 LABEL_EXPR, assertion check.
340
341 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
342
343 * optabs.c (no_conflict_move_test): Check if a result of a
344 to-be-moved insn would be clobbered by an originally
345 preceding insn.
346
347 2005-09-27 Jeff Law <law@redhat.com>
348
349 * passes.c (init_optimization_passes): Replace copy propagation
350 passes immediately after DOM with phi-only copy propagation
351 pases. Add phi-only copy propagation pass after first DOM pass.
352 * tree-pass.h (pass_phi_only_copy_prop): Declare.
353 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
354 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
355 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
356 to init_copy_prop. Callers updated.
357 (do_phi_only_copy_prop): New function.
358 (pass_phi_only_copy_prop): New pass descriptor.
359
360 2005-09-27 Nick Clifton <nickc@redhat.com>
361
362 * libgcc2.c (__popcount_tab): Remove redundant prototype.
363
364 2005-09-26 Jason Merrill <jason@redhat.com>
365
366 PR c++/13764
367 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
368
369 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
370
371 2005-09-26 James E Wilson <wilson@specifix.com>
372
373 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
374 copyright. Add gcc copyright plus libgcc exception.
375 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
376 copyright.
377 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
378
379 2005-09-26 Jeff Law <law@redhat.com>
380
381 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
382 about when to iterate.
383
384 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
385
386 PR target/23847
387 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
388 for __complex__ double in -mcpu=G5 mode.
389
390 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
391
392 PR tree-optimization/23942
393 * Makefile.in (SCEV_H): Depends on PARAMS_H.
394 * tree-scalar-evolution.c: Include params.h.
395 (t_bool): New enum.
396 (follow_ssa_edge, follow_ssa_edge_in_rhs,
397 follow_ssa_edge_in_condition_phi_branch,
398 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
399 Change return type to t_bool. Use a parameter to limit the size of
400 trees that are walked before stopping
401 (analyze_evolution_in_loop): Initialize the limit to 0.
402 (follow_ssa_edge): Give up by returning t_dont_know if the limit
403 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
404
405 2005-09-26 Uros Bizjak <uros@kss-loka.si>
406
407 PR middle-end/23831
408 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
409 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
410
411 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
412
413 * combine.c (make_extraction): Check for valid use of subreg.
414
415 2005-09-26 Uros Bizjak <uros@kss-loka.si>
416
417 PR target/24055
418 * config/i386/i386.md ("*fistdi2_1"): New pattern.
419 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
420 ("fist<mode>2_with_temp"): Use only register operands.
421
422 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
423
424 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
425 CALL_INSN_FUNCTION_USAGE.
426
427 2005-09-26 Richard Guenther <rguenther@suse.de>
428
429 PR middle-end/15855
430 * gcse.c: Include hashtab.h, define ldst entry hashtable.
431 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
432 (ldst_entry): Use the hashtable instead of list-walking.
433 (find_rtx_in_ldst): Likewise.
434 (free_ldst_entry): Free the hashtable.
435 (compute_ld_motion_mems): Create the hashtable.
436 (trim_ld_motion_mems): Remove entry from hashtable if
437 removing it from list.
438 (compute_store_table): Likewise^2.
439 (store_motion): Free hashtable in case we did not see
440 any stores.
441
442 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
443
444 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
445 and arg1 if we are passing them to fold_build2.
446
447 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
448
449 PR 23828
450 * config/i386/i386.c (ix86_function_regparm): Fix the test for
451 a nested function.
452
453 2005-09-25 Richard Henderson <rth@redhat.com>
454
455 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
456 SYMBOL_REF_TLS_MODEL to be correct.
457
458 2005-09-24 Richard Henderson <rth@redhat.com>
459
460 * ipa-type-escape.c (discover_unique_type): Remove dead code at
461 end of function. Reindent.
462
463 2005-09-24 Ian Lance Taylor <ian@airs.com>
464
465 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
466 NEGATE_EXPR/BIT_NOT_EXPR case.
467
468 2005-09-24 Richard Henderson <rth@redhat.com>
469
470 * c-common.c (handle_mode_attribute): When not modifying in place,
471 create subtypes for enumerations.
472 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
473 * gimplify.c (create_tmp_from_val): Likewise.
474
475 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
476
477 * config/i386/i386.md (*tls_global_dynamic_64,
478 *tls_local_dynamic_base_64): Add missing mode to call.
479 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
480
481 2005-09-24 Jan Hubicka <jh@suse.cz>
482
483 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
484 (cgraph_clone_node): Likewise.
485 * cgraph.h (cgraph_clone_edge): Update prototype.
486 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
487 duplicated prototypes; add updating argument.
488 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
489 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
490 updating profile.
491 (cgraph_mark_inline_edge): Likewise.
492 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
493 (cgraph_flatten_node): Likewise.
494 (cgraph_decide_recursive_inlining): Likewise.
495 (cgraph_decide_inlining_of_small_function): Likewise.
496 * tree-optimize.c (tree_rest_of_compilation): Likewise.
497
498 2005-09-23 David Edelsohn <edelsohn@gnu.org>
499 Pete Steinmetz <steinmtz@us.ibm.com>
500
501 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
502 (rldic.): Set type to "compare".
503 (rldicr.): Same.
504 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
505 mfjmpr for MFCTR/MFLR.
506 (movdf_hardfloat64): Same.
507 (movdf_softfloat64): Same. Correct order of store and move types.
508 (movti_string): Set type to store_ux/load_ux.
509 (load_multiple): Set type to load_ux.
510 (store_multiple): Set type to store_ux.
511 (movmemsi): Set type to store_ux.
512 (output_cbranch direct_return): Set type to jmpreg.
513 (stmw): Set type to store_ux.
514 (lmw): Set type to load_ux.
515 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
516 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
517 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
518 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
519 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
520 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
521 (rios1-fpstore): Increase latency to 3.
522 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
523 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
524
525 2005-09-23 David Edelsohn <edelsohn@gnu.org>
526 Andrew Pinski <pinskia@physics.uc.edu>
527
528 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
529 operand2 constraint to "b".
530 (sync_<fetchop_name>di_internal): Same.
531 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
532 to "b".
533 (sync_old_<fetchop_name>di_internal): Same.
534 (sync_new_<fetchop_name>si_internal): Same.
535 (sync_new_<fetchop_name>di_internal): Same.
536
537 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
538
539 PR middle-end/23991
540 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
541 case, define as macros.
542
543 PR rtl-optimization/23837
544 * optabs.c (no_conflict_move_test): Don't set must_stay for a
545 clobber / clobber match between dest and p->first.
546
547 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
548 (no_conflict_move_test): Update comments.
549
550 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
551
552 * doc/install.texi: Update URL for Jacks.
553 * doc/sourcebuild.texi: Likewise.
554
555 2005-09-22 David Edelsohn <edelsohn@gnu.org>
556
557 PR target/24007
558 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
559 registers when choosing register preferences.
560 (movdf_hardfloat64): Same.
561
562 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
563
564 * expmed.c (expand_shift): Don't use the target of the rotate as
565 target for the first expanded shift insn.
566 * testsuite/gcc.dg/20050922-1.c: Testcase added.
567
568 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
569
570 PR tree-optimization/22438
571 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
572 preserved iv rhs rewriting specially.
573
574 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
575
576 * tree-data-ref.c (analyze_array_indexes): Only estimate when
577 estimate_only is true.
578 * tree-flow.h (ref_contains_indirect_ref): New prototype.
579 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
580 tree-ssa-structalias.c
581 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
582 ref_contains_indirect_ref.
583 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
584
585 2005-09-21 DJ Delorie <dj@redhat.com>
586
587 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
588 MASK_PTR_A0D0.
589 (mn10300_return_in_memory): Support variable size types also.
590 (mn10300_pass_by_reference): Likewise.
591 (mn10300_function_value): New.
592 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
593 (FUNCTION_OUTGOING_VALUE): Likewise.
594 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
595 * doc/invoke.texi: Document it.
596
597 2005-09-21 Uros Bizjak <uros@kss-loka.si>
598
599 PR target/22585
600 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
601 force integer op1 into register for XFmode compares.
602
603 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
604
605 PR middle-end/23971
606 * expmed.c (alg_code): Add alg_impossible.
607 (alg_hash_entry): Add cost.
608 (synth_mult): Record alg_impossible in the hash table if
609 multiplication by a given integer is impossble within the
610 limit. Speed up using alg_impossible.
611
612 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
613
614 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
615 argument. Allow and set any offset if needs_anyoffset is passed
616 in.
617 (get_constraint_for): Add argument here too.
618 Pass it down.
619 (do_structure_copy): Pass NULL to get_constraint_for.
620 (handle_ptr_arith): Ditto.
621 (find_func_aliases): Ditto.
622
623 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
624
625 PR rtl-optimization/23898
626 * output.h (get_attr_min_length): Declare.
627 * final.c (get_attr_length_1): New function, broken out of:
628 (get_attr_length).
629 (get_attr_min_length): New function.
630 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
631 (duplicate_computed_gotos): Likewise.
632 * genattr.c (insn_min_length): Generate declaration.
633 * genattrtab.c (min_fn, min_attr_value): New functions.
634 (make_length_attrs): Generate insn_min_length.
635
636 2005-09-20 Steve Ellcey <sje@cup.hp.com>
637
638 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
639
640 2005-09-20 Richard Henderson <rth@redhat.com>
641
642 PR tree-optimization/24059
643 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
644 EXPAND_STACK_PARM.
645
646 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
647
648 * c.opt (fextended-identifiers): New.
649 * c-opts.c (c_common_handle_option): Handle
650 -fextended-identifiers.
651 * doc/cpp.texi: Update documentation of extended identifiers.
652 * doc/cppopts.texi (-fextended-identifiers): Document.
653
654 2005-09-20 Jakub Jelinek <jakub@redhat.com>
655
656 PR tree-optimization/23929
657 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
658 if expr is NULL.
659
660 PR tree-optimization/23818
661 * tree-stdarg.c (execute_optimize_stdarg): Call
662 calculate_dominance_info.
663
664 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
665
666 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
667 (analyze_siv_subscript_cst_affine): Add weak SIV test.
668 (compute_overlap_steps_for_affine_1_2): Use
669 get_number_of_iters_for_loop.
670 (analyze_subscript_affine_affine): Check whether difference is
671 zero first.
672 Use get_number_of_iters_for_loop.
673 Check whether overlap occurs outside of bounds.
674 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
675
676 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
677
678 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
679 base register if possible.
680
681 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
682
683 PR tree-optimization/18463
684 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
685 converting it directly is not possible.
686 (chrec_convert_aggressive): New function.
687 * tree-chrec.h (chrec_convert_aggressive): Declare.
688 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
689 Fold chrec conversions aggressively if asked to.
690 (instantiate_parameters): Modified because of changes in
691 instantiate_parameters_1.
692
693 2005-09-19 Richard Henderson <rth@redhat.com>
694
695 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
696 (reduc_splus_v2df): New.
697
698 2005-09-19 Richard Sandiford <richard@codesourcery.com>
699
700 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
701 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
702
703 2005-09-19 Richard Henderson <rth@redhat.com>
704
705 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
706 vcondu<SSEMODE12>.
707
708 2005-09-19 Richard Henderson <rth@redhat.com>
709
710 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
711 (ia64_expand_dot_prod_v8qi): New.
712 * config/ia64/ia64-protos.h: Update.
713 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
714 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
715 sdot_prodv8qi, sdot_prodv4hi): New.
716 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
717
718 2005-09-19 Richard Henderson <rth@redhat.com>
719
720 PR 23941
721 * real.c (exact_real_truncate): Return false if the format cannot
722 represent the number as a normal.
723
724 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
725 for a memory source.
726
727 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
728
729 * tree-ssa-operands.c (swap_tree_operands): Export.
730 * tree.h (swap_tree_operands): Declare.
731 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
732 Call swap_tree_operands.
733
734 2005-09-19 Richard Henderson <rth@redhat.com>
735
736 * tree-flow.h (merge_alias_info): Declare.
737 * tree-ssa-copy.c (merge_alias_info): Export.
738 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
739 (vect_create_data_ref_ptr): Use create_iv directly.
740 (vectorizable_load): Use correct types for integer constants.
741 (vect_generate_tmps_on_preheader): Likewise.
742 (vect_gen_niters_for_prolog_loop): Likewise.
743
744 2005-09-19 Steven Bosscher <stevenb@suse.de>
745
746 PR rtl-optimization/23943
747 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
748
749 2005-09-18 Jan Hubicka <jh@suse.cz>
750
751 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
752
753 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
754
755 * varasm.c (output_constant): Do not abort on conversions to union
756 types between different sizes.
757
758 2005-09-18 Richard Guenther <rguenther@suse.de>
759
760 PR middle-end/23944
761 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
762 fallback.
763
764 2005-09-18 Paul Brook <paul@codesourcery.com>
765
766 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
767
768 2005-09-17 Richard Henderson <rth@redhat.com>
769
770 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
771 * tree-ssa-loop.c (pass_vect_dce): Remove.
772 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
773 of pass_vectorize.
774
775 2005-09-17 Richard Henderson <rth@redhat.com>
776
777 * tree-pass.h (pass_vect_dce): Declare.
778 * passes.c (init_optimization_passes): Add it.
779 * tree-flow.h (tree_ssa_dce): Declare.
780 * tree-ssa-dce.c (tree_ssa_dce): Export.
781 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
782 (gate_tree_vectorize): ... here.
783 (pass_vect_dce): New.
784
785 2005-09-17 Jan Hubicka <jh@suse.cz>
786
787 * except.c (struct eh_status): Turn region_array into vec.
788 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
789 convert_from_eh_region_ranges, find_exception_handler_labels,
790 current_function_has_exception_handlers, assign_filter_values,
791 build_post_landing_pads, dw2_build_landing_pads,
792 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
793 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
794 foreach_reachable_handler, can_throw_internal_1,
795 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
796 region_array.
797 (duplicate_eh_region_1): Update region_array.
798 (duplicate_eh_regions): Resize region_array and avoid recomputing.
799
800 2005-09-17 David Edelsohn <edelsohn@gnu.org>
801
802 PR middle-end/22067
803 * expmed.c (expand_mult): Substitute simple register for op0 when
804 computing max_cost.
805
806 2005-09-17 Richard Henderson <rth@redhat.com>
807
808 * expr.c (emit_move_via_integer): Add force argument, pass it on
809 to emit_move_change_mode. Update callers.
810 (emit_move_complex): Pass true to new force argument.
811 * function.c (expand_function_end): Move expand_eh_return call
812 earlier. Merge sub-word complex values into a pseudo before
813 copying to the return hard register.
814
815 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
816
817 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
818 between different sizes.
819
820 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
821
822 PR 23903
823
824 * passes.c (init_optimization_passes): Register dump files for
825 IPA passes first.
826
827 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
828
829 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
830 * config/s390/s390.c (s390_overlap_p): New function.
831 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
832 peephole2, "*xc" peephole2): Added overlap check to the peephole2
833 condition.
834
835 2005-09-16 Richard Guenther <rguenther@suse.de>
836
837 * ipa-pure-const.c (static_execute): Free auxiliar information.
838 * ipa-type-escape.c (discover_unique_type): Free temporary key.
839 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
840
841 2005-09-15 DJ Delorie <dj@redhat.com>
842
843 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
844
845 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
846
847 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
848 to order operands.
849 (swap_commutative_operands_with_target): New.
850
851 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
852
853 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
854 parameter.
855 Update callers.
856 (estimate_iters_using_array): New function.
857 * tree-data-ref.h (estimate_iters_using_array): Prototype
858 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
859 Use estimate_iters_using_array instead of analyze_array.
860
861 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
862
863 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
864 as addressable.
865
866 2005-09-15 Michael Matz <matz@suse.de>
867
868 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
869
870 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
871
872 PR tree-optimization/23835
873 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
874 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
875
876 2005-09-14 Richard Henderson <rth@redhat.com>
877
878 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
879 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
880
881 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
882
883 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
884 in the ARRAY_TYPE case.
885
886 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
887
888 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
889
890 2005-09-14 Uros Bizjak <uros@kss-loka.si>
891
892 PR middle-end/22480
893 * tree-vect-transform.c (vectorizable_operation): Return false for
894 scalar shift operations and for vector shift operations with
895 non-invariant shift arguments. Use scalar tree operand op1 as
896 a shift operand when vector shift insn pattern uses scalar shift
897 operand.
898 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
899
900 2005-09-14 Olivier Hainque <hainque@adacore.com>
901
902 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
903 value if it has side-effects.
904
905 2005-09-14 David Edelsohn <edelsohn@gnu.org>
906
907 PR target/22068
908 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
909
910 2005-09-14 Alan Modra <amodra@bigpond.net.au>
911
912 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
913 passed as NAME as if it were label at start of function code.
914
915 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
916
917 * config/sh/sh.md (*movv4sf_i): Add general register cases to
918 the constraints.
919
920 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
921
922 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
923 as early clobber. Rewrite so the PIC register is not implicitly used.
924
925 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
926
927 * tree.c (annotate_with_file_line): Compare line numbers before
928 file names.
929
930 2005-09-13 Uros Bizjak <uros@kss-loka.si>
931
932 PR target/23816
933 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
934 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
935
936 2005-09-13 Ian Lance Taylor <ian@airs.com>
937
938 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
939 than a HOST_WIDEST_INT to gen_doloop_begin.
940
941 2005-09-13 Diego Novillo <dnovillo@redhat.com>
942
943 * tree-dfa.c (dump_variable): Guard against NULL annotations.
944
945 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
946
947 PR tree-optimize/23817
948 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
949
950 2005-09-13 Alan Modra <amodra@bigpond.net.au>
951
952 PR target/23774
953 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
954 word before changing the stack pointer. Use gen_frame_mem for MEMs.
955 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
956 (restore_stack_nonlocal): Likewise.
957 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
958
959 2005-09-12 Ian Lance Taylor <ian@airs.com>
960
961 PR g++/7874
962 * c.opt (ffriend-injection): New C++ option.
963 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
964 (C++ Dialect Options): Document -ffriend-injection.
965
966 2005-09-12 Josh Conner <jconner@apple.com>
967
968 PR middle-end/23237
969 * ipa-reference.c (static_execute): Don't mark variables in
970 named sections TREE_READONLY.
971
972 2005-09-12 Alan Modra <amodra@bigpond.net.au>
973
974 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
975 stack_tie.
976
977 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
978
979 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
980 V_MUST_DEF instead of just the first_use_p.
981 Don't mark the virtual variables for renaming on the statement which
982 is being removed.
983 (pass_dse): Remove TODO_update_ssa.
984
985 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
986
987 PR middle-end/23290
988 * stor-layout.c (compute_record_mode): For records with a single
989 field, actually check the field's mode size against the type size.
990
991 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
992 registers for TARGET_SHMEDIA.
993 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
994 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
995 of GENERAL_REGS and FP_REGS.
996
997 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
998
999 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1000
1001 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1002
1003 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1004 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1005 are omitted. Exclude stack_tie insn too.
1006
1007 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1008
1009 PR rtl-optimization/23098
1010 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1011 0.0f is easy.
1012 * config/rs6000/rs6000.md (movdf splitter): Use
1013 const_double_operand predicate for TARGET_POWERPC64.
1014 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1015 SYMBOL_REF method to ABI_V4.
1016
1017 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1018 replace_equiv_address.
1019 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1020 rs6000_sr_alias_set and MEM_NOTRAP.
1021 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1022
1023 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1024
1025 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1026 handle CALL_EXPR again.
1027
1028 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1029
1030 * arm/predicates.md (alignable_memory_operand): Delete.
1031
1032 2005-09-10 Richard Henderson <rth@redhat.com>
1033
1034 PR debug/23806
1035 * dbxout.c (dbxout_expand_expr): New.
1036 (dbxout_symbol): Use it.
1037
1038 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1039
1040 * arm.c (arm_gen_rotated_half_load): Delete.
1041 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1042 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1043 (thumb_set_return_address): Likewise.
1044 (thumb_load_double_from_address): Use adjust_address.
1045 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1046 (extendhsisi2_mem, movhi_bytes): Use change_address.
1047 (movhi): Use widen_memory_access.
1048 (reload_out_df): Use replace_equiv_address.
1049 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1050
1051 2005-09-09 Richard Henderson <rth@redhat.com>
1052
1053 PR debug/20998
1054 * dbxout.c: Include expr.h.
1055 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1056 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1057 * Makefile.in (dbxout.o): Add EXPR_H.
1058
1059 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1060
1061 PR tree-optimization/23509
1062 * tree-cfg.c (replace_uses_by): Use replace_exp.
1063 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1064 pointers have name_mem_tag or type_mem_tag set.
1065
1066 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1067
1068 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1069 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1070 of wrongly accessing operands.
1071
1072 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1073
1074 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1075 * tree-chrec.c: Include tree-scalar-evolution.h.
1076 (chrec_convert): Instantiate the base and step before calling
1077 scev_probably_wraps_p that would fail on parametric evolutions.
1078 Collect all the fails into a single section failed_to_convert,
1079 print a diagnostic, and return chrec_dont_know instead of calling
1080 fold_convert.
1081 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1082 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1083 phi nodes.
1084 (scev_const_prop): Don't replace the definition of a loop closed ssa
1085 phi node by itself, or by another loop closed ssa phi node.
1086 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1087 that base and step are defined.
1088
1089 2005-09-09 Richard Guenther <rguenther@suse.de>
1090
1091 PR c++/23624
1092 * fold-const.c (fold_ternary): Check truth_value_p before
1093 calling invert_truthvalue.
1094
1095 2005-09-09 Nick Clifton <nickc@redhat.com>
1096
1097 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1098 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1099 dimension of these arrays.
1100 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1101 these arrays.
1102 * longlong.h: Only provide a prototype for the __clz_tab[] array
1103 if this header has not been included from libgcc2.h.
1104 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1105 defining own types.
1106 Provide prototypes for exported functions.
1107 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1108 libgcc2.c.
1109
1110 2005-09-08 Josh Conner <jconner@apple.com>
1111
1112 PR c++/21135
1113 PR c++/23180
1114 * expr.c (expand_expr_addr_expr_1): Don't invoke
1115 expand_simple_binop for EXPAND_INITIALIZER.
1116
1117 2005-09-08 Richard Henderson <rth@redhat.com>
1118
1119 PR debug/23190
1120 * toplev.c (wrapup_global_declaration_1): Split out ...
1121 (wrapup_global_declaration_2): ... from ...
1122 (wrapup_global_declarations): ... here. Return bool.
1123 (check_global_declaration_1): Split out ...
1124 (check_global_declarations): from here.
1125 (emit_debug_global_declarations): New.
1126 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1127 check_global_declaration_1, emit_debug_global_declarations): Declare.
1128 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1129 of decls. Call wrapup_global_declaration_1,
1130 wrapup_global_declaration_2, check_global_declaration_1 directly.
1131 (c_write_global_declarations_2): New.
1132 (ext_block): New.
1133 (c_write_global_declarations): Call c_write_global_declarations_2.
1134 * langhooks.c (write_global_declarations): Call
1135 emit_debug_global_declarations.
1136
1137 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1138 remove decls that have DECL_RTL_SET_P.
1139 * passes.c (rest_of_decl_compilation): Invoke
1140 cgraph_varpool_finalize_decl for all but functions.
1141
1142 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1143
1144 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1145 the result of a conversion if the new min and max cannot be compared.
1146
1147 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1148
1149 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1150 (override_options): Setting s390_sr_alias_set removed.
1151 (save_fpr, save_gprs): Set alias set to vararg or frame.
1152 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1153 s390_sr_alias_set with get_frame_alias_set ().
1154 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1155 get_varargs_alias_set ().
1156
1157 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1158
1159 PR objc/20574
1160 PR objc/19324
1161 * c-parser.c (c_parser_objc_method_definition): If the next
1162 token is not "{", error out and don't start the function.
1163
1164 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1165
1166 * tree-vrp.c (extract_range_from_expr): Move the check for non
1167 nullness after the check for gimple invariant.
1168
1169 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1170
1171 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1172
1173 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1174
1175 PR target/23747
1176 * config/m32r.md (movmemsi_internal): Canonicalize order of
1177 operands in PLUS component of template.
1178
1179 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1180
1181 * reload1.c (fixup_eh_region_note): Remove assertion.
1182 (fixup_abnormal_edges): Reverted removal of call to
1183 find_many_sub_basic_blocks made on 2005-08-31.
1184
1185 2005-09-07 Richard Henderson <rth@redhat.com>
1186
1187 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1188 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1189 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1190 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1191 rearrange for better packing.
1192 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1193 (lookup_cfa_1): Remove inline marker.
1194 (cfa_equal_p): Split out of ...
1195 (def_cfa_1): ... here. Use INVALID_REGNUM.
1196 (build_cfa_loc): Handle !cfa->indirect.
1197 (frame_pointer_cfa_offset): New.
1198 (dbx_reg_number): Assert register elimination performed; do
1199 leaf register remapping.
1200 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1201 (eliminate_reg_to_offset): New.
1202 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1203 for verifiably local stack frame addresses; re-base to CFA.
1204 (mem_loc_descriptor): Remove can_use_fbreg argument.
1205 (concat_loc_descriptor, loc_descriptor): Likewise.
1206 (containing_function_has_frame_base): Remove.
1207 (rtl_for_decl_location): Don't do register elimination or
1208 leaf register remapping here.
1209 (secname_for_decl): Split out from ..
1210 (add_location_or_const_value_attribute): ... here.
1211 (convert_cfa_to_loc_list): New.
1212 (compute_frame_pointer_to_cfa_displacement): New.
1213 (gen_subprogram_die): Use them.
1214 * tree.h (frame_base_decl): Remove.
1215 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1216 (prologue_stack_adjust): Remove.
1217 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1218 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1219 (set_frame_base_location): Remove.
1220 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1221 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1222 (vt_add_function_parameters): Don't eliminate_regs.
1223 (vt_initialize): Don't create frame_base_decl.
1224
1225 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1226
1227 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1228 version of GNU binutils for 4.x and later.
1229
1230 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1231
1232 * ggc-page.c (ggc_push_context): Remove.
1233 (ggc_pop_context): Likewise.
1234 * ggc.h (ggc_push_context): Remove.
1235 (ggc_pop_context): Likewise.
1236
1237 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1238
1239 PR target/8973
1240 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1241 returning from an interrupt handler.
1242
1243 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1244
1245 PR target/8972
1246 * config/arc/arc.c (output_shift): Add check for loop count when
1247 optimizing.
1248
1249 2005-09-06 Steven Bosscher <stevenb@suse.de>
1250
1251 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1252 form manually.
1253 (abs_replacement): Likewise.
1254 (pass_phiopt): Remove TODO_update_ssa.
1255
1256 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1257
1258 PR c/23075
1259 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1260 if "return with no value, in function returning non-void" warning
1261 has been issued.
1262 * tree-cfg.c (execute_warn_function_return): Don't look at
1263 RETURN_EXPRs with TREE_NO_WARNING set.
1264
1265 PR target/22362
1266 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1267 for internal functions doesn't use registers used by global registers
1268 variables. Use fewer register parameters if there are global register
1269 variables.
1270
1271 2005-09-06 Olivier Hainque <hainque@adacore.com>
1272 Eric Botcazou <ebotcazou@adacore.com>
1273
1274 PR middle-end/14997
1275 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1276 when we would be extracting outside its bit span (bitpos+bitsize
1277 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1278 Ada unchecked conversions.
1279
1280 2005-09-06 Steven Bosscher <stevenb@suse.de>
1281
1282 * tree-ssa-pre.c (try_look_through_load): New function.
1283 (compute_avail): Use it to try to look through loads for some
1284 more useful expressions.
1285
1286 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1287
1288 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1289 condition for detecting cases like (a&a) and (a^a).
1290
1291 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1292
1293 * common.opt: Add option ftree-vect-loop-version.
1294 * params.def: Add --param vect-max-version-checks.
1295 * doc/invoke.texi: Document ftree-vect-loop-version and
1296 --param vect-max-version-checks.
1297 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1298 may_misalign_stmts and defines for accessors.
1299 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1300 LOOP_VINFO_MAY_MISALIGN_STMTS.
1301 (destroy_loop_vec_info): VEC_free for
1302 LOOP_VINFO_MAY_MISALIGN_STMTS.
1303 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1304 Update documentation.
1305 (vect_update_misalignment_for_peel): New.
1306 (vect_enhance_data_refs_alignment): Update to choose loop
1307 peeling or loop versioning if appropriate for the (potentially)
1308 unaligned data references in the loop.
1309 (vect_analyze_data_refs_alignment): Remove call to
1310 vect_enhance_data_refs_alignment so the checks can be done
1311 earlier.
1312 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1313 and move up call to vect_analyze_data_refs_alignment.
1314 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1315 (vect_transform_loop): Add call to loop_version.
1316
1317 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1318
1319 PR rtl-optimization/23098
1320 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1321 * simplify-rtx.c (constant_pool_reference_p): New function.
1322 * rtl.h (constant_pool_reference_p): New prototype.
1323 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1324 constant_pool_reference_p in condition and
1325 avoid_constant_pool_reference in preparation statements.
1326
1327 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1328
1329 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1330 STRICT_LOW_PART SETs.
1331
1332 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1333
1334 PR middle-end/21460
1335 * except.c (sjlj_emit_function_enter): Find the function begin
1336 note even when it's not in first basic block.
1337
1338 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1339
1340 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1341 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1342 * aclocal.m4: Regenerate.
1343
1344 2005-09-05 DJ Delorie <dj@redhat.com>
1345
1346 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1347 of macro.
1348
1349 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1350
1351 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1352 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1353 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1354 Follow spelling conventions.
1355 * doc/invoke.texi: Follow spelling conventions.
1356
1357 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1358
1359 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1360 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1361 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1362
1363 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1364
1365 PR target/23683
1366 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1367 (output_stack_adjust): Use gen_tmp_stack_mem.
1368 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1369 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1370 (sh_get_pr_initial_val): Likewise.
1371 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1372 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1373 * sh.md (divsi_inv_m0): Use gen_const_mem.
1374 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1375 (movdf_i4+1): Use gen_tmp_stack_mem.
1376 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1377 (fpu_switch+2): Likewise.
1378 (movv4sf_i, movv16sf_i): Use adjust_address.
1379 (symGOT_load): Set MEM_NOTRAP_P bit.
1380
1381 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1382
1383 PR target/23721
1384 * pa.c (emit_move_sequence): Fix typo in last change.
1385
1386 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1387
1388 PR rtl-optimization/23454
1389 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1390 is true.
1391
1392 2005-09-03 Richard Henderson <rth@redhat.com>
1393 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1394
1395 PR middle-end/23671
1396 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1397 gen_rtx_MEM.
1398
1399 2005-09-02 Nicolas Pitre <nico@cam.org>
1400
1401 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1402 to bit_count to 32 bits.
1403
1404 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1405
1406 PR c++/23167
1407 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1408 generating synthetic loads from volatile lvalues.
1409
1410 005-09-02 Nick Clifton <nickc@redhat.com>
1411
1412 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1413 __ctzhi2, __clzhi2): New functions.
1414
1415 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1416
1417 PR middle-end/23547
1418 * tree-nested.c (struct var_map_elt): Mark with GTY.
1419 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1420 var_map_elt.
1421 (lookup_field_for_decl): Allocate new element in GC memory.
1422 (lookup_tramp_for_decl): Likewise.
1423 (convert_nl_goto_reference): Likewise
1424 (create_nesting_tree): Allocate info in GC memory. Likewise for
1425 info->var_map.
1426 (free_nesting_tree): Free with ggc_free instead of free.
1427 (root): New static variable.
1428 (lower_nested_functions): Remove root as local variable. And zero out
1429 root at the end of the function.
1430
1431 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1432
1433 PR rtl-optimization/20365
1434 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1435 to short. New member ix.
1436 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1437 (simplify_plus_minus): Initialize ix members before calling qsort.
1438
1439 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1440
1441 PR tree-optimization/23626
1442 * tree-cfg.c (replace_uses_by): Clean up eh info.
1443
1444 2005-09-01 DJ Delorie <dj@redhat.com>
1445
1446 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1447 fprintf.
1448
1449 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1450
1451 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1452 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1453 gen_rtx_MEM.
1454
1455 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1456
1457 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1458 do not issue warning for a variable definition following
1459 a declaration.
1460
1461 2005-09-01 Richard Henderson <rth@redhat.com>
1462
1463 PR 23668
1464 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1465 conversion to CONST_VECTOR.
1466
1467 2005-09-01 Richard Henderson <rth@redhat.com>
1468
1469 PR 23676
1470 * reload1.c (reload_as_needed): Check !CALL_P before calling
1471 fixup_eh_region_note.
1472 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1473
1474 2005-09-01 DJ Delorie <dj@redhat.com>
1475
1476 * varasm.c (output_constant): Let the target resolve
1477 conversions of addresses to non-default pointer sizes.
1478
1479 2005-09-01 Nicolas Pitre <nico@cam.org>
1480
1481 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1482 to alow matching ARM pre-indexed addressing mode.
1483 (arm_override_options): Remove now irrelevant comment.
1484
1485 2005-09-01 Phil Edwards <phil@codesourcery.com>
1486
1487 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1488 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1489 * config/i386/vxworks.h: Likewise.
1490 * config/i386/t-vxworksae: New file, for VxWorks AE.
1491 * config/i386/vxworksae.h: Likewise.
1492
1493 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1494
1495 PR tree-optimization/23410
1496 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1497 sequence is not wrapping during the first step.
1498
1499 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1500
1501 PR debug/7241
1502 * dwarf2out.c (base_type_die): Compare char_type_node with
1503 TYPE_MAIN_VARIANT (type), not type.
1504
1505 2005-09-01 Richard Guenther <rguenther@suse.de>
1506
1507 PR tree-optimization/15366
1508 * common.opt: Add -finline-functions-called-once.
1509 Put -fearly-inlining in alphabetically ordered place.
1510 * doc/invoke.texi: Document new option.
1511 * ipa-inline.c (cgraph_decide_inlining): Honour
1512 flag_inline_functions_called_once.
1513
1514 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1515
1516 PR rtl-optimization/23478
1517 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1518 (alloc_qty): Initialize it.
1519 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1520 (combine_regs): Combine also n_throwing_calls_crossed fields.
1521 (find_free_reg): Don't attempt to caller-save pseudos crossing
1522 calls that might throw.
1523 * global.c (struct allocno): Add throwing_calls_crossed field.
1524 (global_alloc): Revert 2005-08-22 change. Initialize
1525 throwing_calls_crossed.
1526 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1527 might throw.
1528
1529 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1530
1531 PR target/23649
1532 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1533 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1534 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1535 (and64_2_operand): Tweak to use predicate.
1536 (and_operand): Adjust for mask_operand changes.
1537 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1538 (print_operand): Likewise.
1539 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1540 (mask64_1or2_operand): Delete.
1541 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1542 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1543 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1544 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1545 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1546 (rotldi3_internal4): Likewise.
1547 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1548 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1549 (ashldi3_internal7): Likewise.
1550 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1551 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1552 (anddi3 split): Don't match mask64_operand.
1553 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1554 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1555 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1556 't' splitter predicate.
1557 (movdi_internal64 + 2): Revert 2005-06-11 change.
1558
1559 2005-08-31 DJ Delorie <dj@redhat.com>
1560
1561 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1562 (m32c_asm_integer): Add support for 32 bit pointers.
1563
1564 2005-08-31 Richard Henderson <rth@redhat.com>
1565
1566 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1567 component-like references for setting MEM_NOTRAP_P.
1568
1569 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1570 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1571
1572 2005-08-31 Richard Henderson <rth@redhat.com>
1573
1574 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1575 into a pseudo before applying gen_lowpart.
1576
1577 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1578
1579 * doc/install.texi (Specific): Update cctools version required
1580 for full functionality.
1581 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1582 linkers as -macosx_version_min.
1583
1584 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1585
1586 PR target/21255
1587 * sh.c (print_operand, %R and %S): Add handling of floating point
1588 registers, memory, constants and invalid operands.
1589
1590 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1591
1592 * ipa-pure-const.c: Change dump name.
1593
1594 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1595
1596 PR target/23570
1597 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1598 to "reg_or_0_operand".
1599 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1600
1601 2005-08-31 Dale Johannesen <dalej@apple.com>
1602
1603 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1604 loops that count down.
1605
1606 2005-08-31 Richard Henderson <rth@redhat.com>
1607
1608 PR rtl-opt/23601
1609 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1610 (fixup_eh_region_note): New.
1611 (reload_as_needed): Call it.
1612 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1613 don't call find_many_sub_basic_blocks; call verify_flow_info.
1614 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1615 (keep_stack_depressed): Likewise.
1616 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1617
1618 2005-08-31 Richard Henderson <rth@redhat.com>
1619
1620 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1621 fp return matching.
1622
1623 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1624
1625 * expr.c (expand_expr_real_1): Compare size of address
1626 mode to target's address mode size in deciding expansion of
1627 the constant address.
1628
1629 2005-08-31 Richard Guenther <rguenther@suse.de>
1630
1631 PR middle-end/23477
1632 * expr.c (all_zeros_p): New function.
1633 (expand_expr_real_1): Handle the case of an all-zero
1634 non-addressable constructor separately.
1635
1636 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1637
1638 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1639 arguments, adjust all callers.
1640 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1641
1642 2005-08-30 Richard Henderson <rth@redhat.com>
1643
1644 PR target/23630
1645 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1646 whenever the mode sizes match.
1647
1648 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1649
1650 * calls.c (load_register_parameters): Fix comment typo.
1651 * expr.c (emit_push_insn): Comment formatting.
1652
1653 2005-08-30 Ian Lance Taylor <ian@airs.com>
1654
1655 * config/i386/x-cygwin (host-cygwin): Change dependency from
1656 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1657
1658 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1659
1660 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1661 parts of 'vals'.
1662
1663 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1664
1665 PR middle-end/23408
1666 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1667 call to ggc_collect.
1668
1669 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1670
1671 PR bootstrap/21268
1672 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1673 beginning. Remove $(INCLUDES) from all the rules, if following
1674 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1675
1676 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1677
1678 PR middle-end/23484
1679 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1680 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1681 not constant, but maxlen is, don't set len to maxlen, rather
1682 set maxlen to len if len is a constant.
1683
1684 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1685
1686 PR tree-optimization/23475
1687 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1688 and counts.
1689
1690 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1691
1692 Fix PR middle-end/22455
1693
1694 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1695 Checksum only the parts of the tree that exist for the tree code.
1696
1697 2005-08-28 Dale Johannesen <dalej@apple.com>
1698
1699 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1700
1701 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1702
1703 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1704
1705 2005-08-28 Richard Henderson <rth@redhat.com>
1706
1707 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1708 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1709 of char_type_node.
1710
1711 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1712
1713 PR ada/23593
1714 * builtins.c (get_memory_rtx): Don't strip nops
1715 in between COMPONENT_REFs.
1716
1717 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1718
1719 PR middle-end/23463
1720 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1721 types.
1722 (gimplify_modify_expr): Check for zero sized types and gimplify the
1723 rhs and lhs as statements.
1724
1725 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1726
1727 PR libgcj/23508
1728 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1729 state for return address column of signal frames.
1730
1731 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1732
1733 PR target/23539
1734 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1735 bytes >= 2 not bytes == 2.
1736 (expand_block_move): Same.
1737
1738 2005-08-27 Richard Guenther <rguenther@suse.de>
1739
1740 PR target/23575
1741 * config/i386/sse.md (sse2_movsd): Add missing closing
1742 braces.
1743
1744 2005-08-27 Paul Brook <paul@codesourcery.com>
1745
1746 * genrecog.c (enum decision_type): Add DT_num_insns.
1747 (struct decision_test): Add u.num_insns.
1748 (add_to_sequence): Add DT_num_insns test.
1749 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1750 (write_cond, debug_decision_2): Ditto.
1751 (change_state): Assume peep2_next_insn never fails.
1752 Remove "afterward" argument.
1753 (write afterward, write_tree): Update to match.
1754 * recog.c (peep2_current_count): New variable.
1755 (peep2_next_insn): Check it.
1756 (peephole2_optimize): Set peep2_current_count.
1757 * recog.h (peep2_current_count): Declare.
1758
1759 2005-08-26 Josh Conner <jconner@apple.com>
1760
1761 PR middle-end/23584
1762 * ipa-pure-const.c (check_tree): Check for volatile-ness
1763 when considering a dereference.
1764
1765 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1766
1767 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1768
1769 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1770
1771 PR rtl-optimization/23561
1772 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1773 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1774 at most LEN bytes long memory fits into the field.
1775 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1776 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1777 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1778
1779 2005-08-26 Richard Henderson <rth@redhat.com>
1780
1781 PR rtl-opt/23560
1782 * loop.c (biased_biv_may_wrap_p): New.
1783 (maybe_eliminate_biv_1): Use it to suppress non-equality
1784 comparison transformations. Delete disabled code.
1785
1786 2005-08-26 Ian Lance Taylor <ian@airs.com>
1787
1788 * combine.c (make_extraction): Avoid reference outside object.
1789
1790 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1791
1792 * stor-layout.c (finalize_type_size): Restore behaviour for
1793 non-aggregate types to the status quo ante of the patch for
1794 pr 23467. Document why it matters.
1795
1796 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1797
1798 PR c/23506
1799 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1800 array by one element, initialize the BT_LAST element with NULL.
1801
1802 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1803
1804 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1805 optimizing for size.
1806 (plus_eqsi): Same.
1807 (compare_plus_eqsi): Same.
1808 (plus_eqsi_compare): Same.
1809 (neg_eq0<mode>): Same.
1810 (neg_eq<mode>): Same.
1811
1812 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1813 PROCESSOR_POWER4.
1814
1815 2005-08-26 Nick Clifton <nickc@redhat.com>
1816
1817 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1818 TARGET_EP is not defined.
1819 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1820 TARGET_EP is enabled.
1821 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1822 * config/v850/v850.md (save_all_interrupt): Only use the EP
1823 register if TARGET_EP is defined.
1824 (restore_all_interrupt): Likewise.
1825 * config/v850/lib1funcs.asm: Update functions so that the EP
1826 register is only used if __EP__ is defined.
1827
1828 2005-08-26 David Ung <davidu@mips.com>
1829
1830 * config/mips/mips.c (mips_expand_prologue): Handle case when
1831 generating for MIPS16 and the outgoing argument area is more than
1832 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1833 add instruction.
1834
1835 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1836
1837 * config/crx/crx.md: Make doloop_end pattern usage controllable
1838 via mloop-nesting=<max-nesting> command line switch. Make sure
1839 the combiner cannot use doloop_end_<mode> in an illegal way.
1840 * config/crx/crx.c: Use regs up to r6 for argument passing.
1841 Refine crx_address_cost (non cst4 displacements are expensive).
1842 * config/crx/crx.opt: Add switch for mloop-nesting=.
1843
1844 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1845
1846 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1847 (UNSPEC_MVST): New constant.
1848
1849 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1850
1851 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1852 Reject operands containing eliminable registers.
1853 * testsuite/gcc.dg/20050825-1.c: New testcase.
1854
1855 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1856 Jan Hubicka <jh@suse.cz>
1857
1858 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1859
1860 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1861
1862 PR tree-optimization/23546
1863 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1864 and REAL_CST nodes.
1865
1866 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1867
1868 * params.def (PARAM_MIN_SPEC_PROB): New.
1869 * sched-rgn.c (MIN_PROBABILITY): Delete.
1870 (compute_trg_info): Convert to PARAM_VALUE.
1871 * doc/invoke.texi (param): Document min-spec-prob.
1872
1873 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1874
1875 * config/darwin.h: define __PIC__
1876 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1877 TARGET_OS_CPP_BUILTINS macro.
1878
1879 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1880
1881 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1882 yesterday.
1883
1884 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1885
1886 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1887 to duplicate_block.
1888 * cfghooks.c (duplicate_block): Added position where to place
1889 new block as argument.
1890 * cfghooks.h (duplicate_block): Declaration changed.
1891 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1892 duplicate_block.
1893 * cfglayout.h (copy_bbs): Declaration changed.
1894 * cfgloop.h (loop_version): Declaration changed.
1895 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1896 position to copy_bbs.
1897 (loop_version): Pass position to duplicate_loop_to_header_edge.
1898 Add place_after argument and position new blocks according to
1899 it.
1900 * modulo-sched.c (sms_schedule): Pass place_after argument
1901 to loop_version.
1902 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1903 * tree-cfg.c (split_edge_bb_loc): New function.
1904 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1905 to determine position of new blocks.
1906 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1907 to loop_version.
1908 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1909 argument to duplicate_block.
1910 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1911 Pass position to copy_bbs.
1912
1913 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1914
1915 * fold-const.c (ptr_difference_const): Use
1916 cst_and_fits_in_hwi instead of host_integerp.
1917
1918 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1919
1920 * config/darwin.c (gen_pic_offset): New.
1921 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1922 Use it.
1923
1924 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1925
1926 PR tree-optimization/23486
1927 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1928
1929 2005-08-23 Phil Edwards <phil@codesourcery.com>
1930
1931 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1932 remove use_collect2.
1933 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1934
1935 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1936 configuration files to override the default value.
1937
1938 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1939 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1940 * config/vx-common.h: New file, split out from...
1941 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1942 * config/vxworksae.h: New file, for VxWorks AE.
1943 * config/vxworks.opt: New file.
1944 * config/vxlib.c: Update for VxWorks 6.
1945
1946 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1947 other MULTILIB_* variables appropriately.
1948 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1949 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1950 * config/rs6000/vxworks.h: Update for VxWorks 6.
1951 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1952
1953 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1954
1955 PR target/20799
1956 * config/darwin.c (machopic_select_section): Remove the hack to
1957 mark "::operator new" and "::operator delete" for coalescing
1958 even though they are not weak.
1959
1960 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1961
1962 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1963 * configure: Regenerate.
1964
1965 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1966
1967 PR middle-end/23517
1968 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1969 between vectors.
1970 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1971 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1972 Likewise.
1973
1974 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1975
1976 * config/rs6000/predicates.md (equality_operator): New.
1977 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1978 comparison with a large constant.
1979
1980 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1981
1982 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1983
1984 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1985
1986 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1987 registers is even, and we have a hardware double precision fp,
1988 align the buffer.
1989 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1990 size of current argument when checking if argument was passed in
1991 registers.
1992
1993 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1994
1995 PR middle-end/23467
1996 * stor-layout.c (finalize_type_size): Dont override
1997 existing alignment with a smaller alignment from the mode.
1998
1999 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2000
2001 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2002 * lambda.h (lambda_vector_lexico_pos): ... here.
2003 * tree-data-ref.c (build_classic_dist_vector): Return false when
2004 the distance vector is lexicographically negative.
2005
2006 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2007
2008 PR tree-optimization/23511
2009 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2010 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2011
2012 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2013
2014 PR tree-optimization/22043
2015 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2016 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2017 If ALLOW_FLEXARR, handle types ending with flexible array member.
2018 Pass false as second argument to recursive count_type_elements calls.
2019 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2020 argument to count_type_elements call.
2021 * tree-sra.c (decide_block_copy): Likewise.
2022 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2023 for a constant-sized object, set cleared as well. Pass true as
2024 second argument to count_type_elements call.
2025
2026 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2027
2028 PR target/21571
2029 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2030 from legitimate_small_data_p, and make global. Update use.
2031 Remove forward declaration.
2032 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2033 Declare.
2034 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2035
2036 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2037
2038 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2039 of scratch intermediates.
2040 (eq<mode>_compare): Same.
2041 (neg_eq0<mode>): New.
2042 (neg_eq<mode>): Convert to define_insn_and_split.
2043
2044 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2045
2046 PR target/23070
2047 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2048 stdarg functions, set/clear the fp marker even when no variable
2049 args are passed.
2050 * config/rs6000/sysv4.opt (mprototype): Describe.
2051
2052 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2053
2054 PR rtl-optimization/23478
2055 * regs.h (reg_info): Add throw_calls_crossed.
2056 (REG_N_THROWING_CALLS_CROSSED): Define.
2057 * flow.c (allocate_reg_life_data): Initialize
2058 REG_N_THROWING_CALLS_CROSSED.
2059 (propagate_one_insn, attempt_auto_inc): Update
2060 REG_N_THROWING_CALLS_CROSSED.
2061 * global.c (global_alloc): Don't allocate pseudos across
2062 calls that may throw.
2063
2064 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2065
2066 PR c/18715
2067 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2068 value is inbetween the range if we did not find an exact match.
2069
2070 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2071
2072 * doc/invoke.texi (Option Summary): Add ms1 options.
2073 * doc/extend.texi: Document interrupt handler attribute for ms1.
2074 * doc/md.texi: Document ms1 constraints.
2075 * config.gcc: Add ms1-*-elf.
2076 * config/ms1/ms1.h: New.
2077 * config/ms1/ms1.c: New.
2078 * config/ms1/ms1.md: New.
2079 * config/ms1/ms1-protos.h: New.
2080 * config/ms1/ABI.txt: New.
2081 * config/ms1/crti.asm: New.
2082 * config/ms1/crtn.asm: New.
2083 * config/ms1/lib2extra-funcs.c: New.
2084 * config/ms1/t-ms1: New.
2085 * config/ms1/ms1.opt: New.
2086
2087 2005-08-22 Ira Rosen <irar@il.ibm.com>
2088
2089 * config/rs6000/altivec.md (xorv4sf3): New.
2090 (negv4sf2, neg<mode>2): Likewise.
2091
2092 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2093
2094 PR target/23485
2095 * config/ia64/ia64.md (divsi3): Check divide by zero.
2096 (udivsi3): Likewise.
2097 (divdi3): Likewise.
2098 (udivdi3): Likewise.
2099
2100 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2101
2102 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2103 up to elem_bitsize bits, not max_bitsize.
2104
2105 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2106
2107 PR tree-optimization/23433
2108 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2109 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2110
2111 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2112
2113 PR tree-optimization/23434
2114 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2115 the iteration bound is not an INTEGER_CST.
2116
2117 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2118
2119 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2120 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2121 NULL if need_epilog_adjust is false.
2122 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2123 Case 3 always peels first itration, not just for PLUS case, and no need
2124 to use scalar_initial_def here. Create an epilog adjustment only if
2125 scalar_initial_def is not NULL.
2126
2127 (vectorizable_reduction): Remove assert.
2128
2129 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2130
2131 PR target/23485
2132 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2133 (__moddi3): Likewise.
2134 (__udivdi3): Likewise.
2135 (__umoddi3): Likewise.
2136 (__divsi3): Likewise.
2137 (__modsi3): Likewise.
2138 (__udivsi3): Likewise.
2139 (__umodsi3): Likewise.
2140
2141 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2142
2143 * tree-pass.h (TDF_GRAPH): Define.
2144 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2145 * passes.c (finish_optimization_passes): Only call
2146 finish_graph_dump_file if TDF_GRAPH is set.
2147 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2148 NULL. Set TDF_GRAPH bit.
2149 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2150
2151 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2152
2153 * arm.h (arm_stack_offsets): Add locals_base field.
2154 * arm.c (arm_get_frame_offsets): Compute it.
2155 (thumb_compute_initial_elimination offset): Make the Thumb frame
2156 pointer point to the base of the local variables.
2157 (thumb_expand_prologue): Update accordingly.
2158 (thumb_expand_epilogue): Likewise.
2159
2160 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2161 mode of clobbered scratch to DImode. Handle a case that's known to
2162 need this.
2163
2164 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2165
2166 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2167 (gt0<mode>_compare): Delete.
2168 (neg_gt0<mode>): Delete.
2169
2170 2005-08-19 Eric Christopher <echristo@apple.com>
2171
2172 * optabs.h: Change CTI_ to COI_.
2173 * optabs.c: Ditto.
2174
2175 2005-08-19 James E Wilson <wilson@specifix.com>
2176
2177 * builtins.c (expand_builtin_return_addr): Set
2178 current_function_accesses_prior_frames when count != 0. Use
2179 frame_pointer_rtx when count == 0.
2180 * function.h (struct function): Add accesses_prior_frames field.
2181 (current_function_accesses_prior_frames): Define.
2182 * reload1.c (init_elim_table): Check
2183 current_function_accesses_prior_frames.
2184 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2185
2186 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2187
2188 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2189 indicator. Return true if the flowgraph changed during
2190 cleanup.
2191
2192 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2193
2194 PR 23476
2195 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2196 conditional expression before testing its value.
2197
2198 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2199
2200 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2201
2202 2005-08-19 Devang Patel <dpatel@apple.com>
2203
2204 PR tree-optimization/23048
2205 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2206 third parameter. Check whether latch is dominated by exit
2207 block or not.
2208 (if_convertible_loop_p): Supply exit block itself to
2209 if_convertible_bb_p.
2210
2211 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2212
2213 PR target/23473
2214 * arm.md (arm_load_pic_register): Change argument to the mask of
2215 saved registers. Call thumb_find_work_register if we need a
2216 scratch register on Thumb.
2217 (arm_expand_prologue): Pass empty register set to
2218 arm_load_pic_register.
2219 (thumb_expand_prologue): Pass live_regs_mask directly to
2220 arm_load_pic_register.
2221 * arm-protos.h (arm_load_pic_register): Update prototype.
2222
2223 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2224
2225 * sh.c (find_sole_member): New function.
2226 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2227 if the record's alignment is larger than the size of its only member.
2228
2229 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2230
2231 PR target/23436
2232 * arm.c (thumb_legitimize_reload_address): New function.
2233 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2234 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2235
2236 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2237
2238 * config/crx/crx.c: Implement crx_decompose_address. Reject
2239 symbolic displacements since CRX register relative adressing
2240 mode can't handle unsigned 32-bit values as displacements.
2241 * config/crx/crx.h: Simplify definitions, remove redundant
2242 parenthesis and obsolete macros.
2243 * config/crx/crx.opt: Add new switch for debugging addresses.
2244 * config/crx/crx-protos.h: Add new declarations for above.
2245
2246 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2247
2248 PR middle-end/20624
2249 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2250 looking past it.
2251
2252 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2253
2254 * collect2.c (dup2): Delete.
2255 * configure.ac: Don't check for dup2.
2256
2257 * config.in, configure: Regenerate.
2258
2259 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2260
2261 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2262 record with the type of its only member.
2263
2264 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2265
2266 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2267 define_insn_and_split.
2268 (plus_ltu<mode>_compare): Same.
2269 (gtu<mode>_compare): Same.
2270 (plus_gtu<mode>_compare): Same.
2271
2272 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2273
2274 PR tree-optimization/22228
2275 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2276 todo_flags_start.
2277 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2278 are recorded in vect_vnames_to_rename for renaming.
2279 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2280 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2281 in vect_vnames_to_rename.
2282 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2283 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2284
2285 2005-08-18 Jan Hubicka <jh@suse.cz>
2286
2287 PR c++/22034
2288 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2289 info only for local statics, not for member variables.
2290
2291 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2292
2293 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2294
2295 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2296
2297 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2298
2299 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2300
2301 PR middle-end/16045
2302 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2303
2304 2005-08-17 James E Wilson <wilson@specifix.com>
2305
2306 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2307 array size check.
2308
2309 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2310
2311 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2312 (leu<mode>_compare): Same.
2313 (plus_leu<mode>): Same.
2314 (neg_leu<mode>): Same.
2315 (and_neg_leu<mode): Same.
2316 (ltu<mode>_compare): Same.
2317 (plus_ltu<mode>): Same.
2318 (geu<mode>): Same.
2319 (geu<mode>_compare): Same.
2320 (plus_geu<mode>): Same.
2321 (neg_geu<mode>): Same.
2322 (and_neg_geu<mode>): Same.
2323 (plus_gt<mode>): Same.
2324 (gtu<mode>_compare): Same.
2325 (plus_gtu<mode>): Same.
2326
2327 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2328
2329 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2330 Move call_table_data to end. Delete spurious .text.
2331 (callt_save_all_interrupt): Fix comment typo.
2332
2333 2005-08-17 James E Wilson <wilson@specifix.com>
2334 Kevin Winchester <winchester@amirix.com>
2335
2336 PR target/21684
2337 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2338
2339 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2340
2341 PR target/23268
2342 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2343 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2344
2345 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2346
2347 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2348 record with the type of its only member if the modes don't match.
2349
2350 * varasm.c (decode_reg_name): Skip empty additional register names.
2351
2352 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2353
2354 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2355 lsm_tmp_name_length): New.
2356 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2357 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2358
2359 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2360 Andreas Krebbel <krebbel1@de.ibm.com>
2361
2362 * config.gcc: Added z9-109 switch.
2363 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2364 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2365 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2366 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2367 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2368 for "z9_109" cpu attribute.
2369 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2370 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2371 (s390_handle_arch_option): Added z9-109 switch.
2372 (override_options): Set respective cost function for z9-109.
2373 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2374 (legitimate_reload_constant_p): Accept extended immediates.
2375 (print_operand): Three new output modifiers added: k, m and o.
2376 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2377 (s390_output_mi_thunk): Use extended immediate when possible.
2378 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2379 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2380 (CONSTRAINT_LEN): Added length of O constraint.
2381 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2382 * config/s390/s390.md ("cpu"): New value z9_109 added.
2383 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2384 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2385 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2386 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2387 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2388 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2389 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2390 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2391 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2392 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2393 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2394 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2395 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2396 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2397 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2398 immediates.
2399 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2400 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2401 insns for TARGET_EXTIMM.
2402
2403 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2404
2405 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2406
2407 2005-08-17 Nick Clifton <nickc@redhat.com>
2408
2409 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2410 Call default_encode_section_info.
2411
2412 2005-08-17 Steven Bosscher <stevenb@suse.de>
2413
2414 PR tree-optimization/21574
2415 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2416 constant, return CONSTANT.
2417 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2418 (ccp_fold, visit_assignment): Likewise.
2419 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2420
2421 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2422
2423 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2424 fold_buildN instead of buildN then fold_initializer or fold.
2425 (build_unary_op): Likewise.
2426 (build_binary_op): Likewise.
2427 * fold-const.c (fold_initializer): Remove.
2428 (fold_build1_initializer): New function.
2429 (fold_build2_initializer): New function.
2430 (fold_build3_initializer): New function.
2431 * tree.h (fold_initializer): Remove.
2432 (fold_build1_initializer): New function.
2433 (fold_build2_initializer): New function.
2434 (fold_build3_initializer): New function.
2435
2436 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2437
2438 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2439 (try_move_mult_to_index): Call fold_build2 instead of build2.
2440 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2441 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2442 fold_binary_to_constant.
2443 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2444 fold (build.
2445 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2446 check if A == gcd (A, B). Remove TYPE argument.
2447 (analyze_offset) Use fold_build2 instead of fold (build.
2448 (create_data_ref): Likewise.
2449 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2450 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2451 then fold.
2452
2453 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2454
2455 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2456 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2457
2458 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2459
2460 PR tree-opt/23402
2461 * gimplify.c (zero_sized_type): New function.
2462 (gimplify_modify_expr_rhs): If we have a zero sized type,
2463 replace the statement with an empty statement.
2464
2465 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2466
2467 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2468 fxsave.
2469
2470 2005-08-16 Ian Lance Taylor <ian@airs.com>
2471
2472 * doc/tm.texi (Label Output): Correct typo.
2473
2474 2005-08-16 Steven Bosscher <stevenb@suse.de>
2475
2476 PR target/23376
2477 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2478 force_operand will work later on using have_insn_for.
2479
2480 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2481
2482 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2483
2484 2005-08-16 Ian Lance Taylor <ian@airs.com>
2485
2486 PR c++/23337
2487 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2488 vector type, don't try to construct it element by element. Add an
2489 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2490
2491 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2492
2493 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2494
2495 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2496
2497 * doc/invoke.texi (Precompiled Headers): Document some more options
2498 which are known to be safe.
2499
2500 2005-08-16 James E Wilson <wilson@specifix.com>
2501
2502 PR tree-optimization/21105
2503 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2504 TREE_OVERFLOW check.
2505
2506 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2507
2508 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2509 (neg_ltu<mode>): Same.
2510 (gtu<mode>): Same.
2511 (neg_gtu<mode>): Same.
2512
2513 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2514
2515 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2516 (fold_builtin_isdigit): Use fold_buildN.
2517 (build_function_call_expr): Likewise.
2518 * c-typeck.c (c_finish_loop): Likewise.
2519
2520 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2521 Richard Shann <rshann@superh.com>
2522
2523 PR middle-end/20396:
2524 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2525
2526 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2527
2528 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2529
2530 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2531
2532 PR target/23355
2533 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2534 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2535 must be saved.
2536
2537 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2538
2539 PR middle-end/23369
2540 * fold-const.c (build_range_check): Disable optimization for function
2541 pointer expressions on targets that require function pointer
2542 canonicalization.
2543
2544 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2545
2546 * simplify-rtx.c (simplify_const_relational_operation): When
2547 extracting arguments of a COMPARE, recompute the mode as well.
2548
2549 2005-08-15 Ian Lance Taylor <ian@airs.com>
2550
2551 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2552
2553 2005-08-15 DJ Delorie <dj@redhat.com>
2554
2555 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2556 the stack.
2557 (movsi_splittable): Allow, but split, moves to the stack.
2558 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2559 stack.
2560
2561 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562
2563 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2564 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2565 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2566
2567 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2568 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2569 Delete HOST_PTR_PRINTF.
2570
2571 * configure, config.in: Regenerate.
2572
2573 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2574
2575 * config/rs6000/rs6000.md (QHSI): New mode macro.
2576 (wd): Extend mode attr for QImode and HImode
2577 (dbits): New mode attr.
2578 (zero_extend<mode>di2): Convert to mode macro.
2579
2580 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2581
2582 PR target/21841
2583 * doc/invoke.texi (-mgnu-ld): Update description.
2584 (-mhp-ld): Ditto.
2585
2586 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2587
2588 PR 23391
2589 * Makefile.in (tree-chrec.o): Depends on real.h.
2590 * tree-chrec.c: Include real.h.
2591 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2592 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2593 * tree-scalar-evolution.c (add_to_evolution_1,
2594 interpret_rhs_modify_expr): Ditto.
2595
2596 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2597
2598 PR 23386
2599 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2600 step is negative compute the estimation from init downwards to zero.
2601
2602 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2603
2604 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2605
2606 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2607
2608 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2609 constraint.
2610 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2611 Accept double-word constants that can be split.
2612 * config/s390/s390.md ("movti"): Use 'P' constraint.
2613 ("*movdi_31", "*movdf_31"): Likewise.
2614
2615 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2616
2617 Fix PR tree-optimization/22615
2618
2619 * tree-ssa-structalias.c (solution_set_add): Handle
2620 first_vi_for_offset returning NULL.
2621 (do_da_constraint): Ditto.
2622 (do_sd_constraint): Ditto.
2623 (do_ds_constraint): Ditto
2624 (find_func_aliases): Ditto.
2625 (build_constraint_graph): RHS is allowed be ANYTHING.
2626 (first_vi_for_offset): Return NULL if we couldn't find anything at
2627 the offset.
2628
2629 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2630
2631 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2632 over memory as first operand.
2633
2634 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2635
2636 PR target/23360
2637 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2638 available for setting it.
2639
2640 2005-08-14 Ira Rosen <irar@il.ibm.com>
2641
2642 PR tree-optimization/23320
2643 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2644 data-refs' types instead of base object nullness. Add check for
2645 pointer type data-refs before first location comparison. Remove
2646 assert.
2647
2648 2005-08-14 Andreas Schwab <schwab@suse.de>
2649
2650 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2651
2652 2005-08-13 James E Wilson <wilson@specifix.com>
2653
2654 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2655 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2656 -fstack-protector-all, --param ssp-buffer-size): Document.
2657 (-Wvariadic-macros): Alphabetize.
2658 (-fsched-stalled-insns-dep): Add missing 'f'.
2659
2660 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2661 macros.
2662
2663 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2664
2665 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2666 or indirect address operand.
2667 (EXTRA_ADDRESS_CONSTRAINT): New.
2668 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2669
2670 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2671
2672 PR tree-optimization/22236
2673 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2674 successors and predecessors.
2675 * tree-chrec.c (chrec_convert): Before converting, check that
2676 sequences don't wrap.
2677 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2678 (analyze_array): Extern.
2679 (find_data_references_in_loop): Remove call to
2680 compute_estimated_nb_iterations.
2681 * tree-data-ref.h (analyze_array): Declared.
2682 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2683 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2684 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2685 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2686 condition.
2687 * tree-ssa-loop-ivcanon.c: Fix documentation.
2688 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2689 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2690 (infer_loop_bounds_from_undefined): New.
2691 (estimate_numbers_of_iterations_loop): Use
2692 infer_loop_bounds_from_undefined.
2693 (used_in_pointer_arithmetic_p): New.
2694 (scev_probably_wraps_p): Pass an extra parameter. Call
2695 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2696 (convert_step): Fix documentation.
2697 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2698 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2699 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2700 scev_probably_wraps_p.
2701
2702 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2703
2704 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2705 (s390_register_info): Ignore clobbered_regs information for fixed
2706 registers, and only fixed registers.
2707 (s390_init_frame_layout): Remove redundant call.
2708
2709 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2710
2711 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2712 description of -Wold-style-casts.
2713
2714 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2715 Jakub Jelinek <jakub@redhat.com>
2716
2717 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2718 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2719 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2720 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2721 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2722 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2723 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2724 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2725 ("stack_protect_set", "stack_protect_test"): New expanders.
2726 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2727 "stack_protect_testdi"): New insn definitions.
2728
2729 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2730
2731 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2732
2733 2005-08-12 Paul Brook <paul@codesourcery.com>
2734
2735 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2736
2737 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2738
2739 * config/s390/predicates.md (setmem_operand): New predicate.
2740 (shift_count_operand): Accept ANDs with special constants as
2741 operand.
2742 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2743 with special constants.
2744 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2745 shift_count_operand with setmem_operand.
2746
2747 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2748
2749 * config/s390/s390.c (s390_extract_part, s390_single_part):
2750 Type cast added.
2751 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2752 (s390_output_mi_thunk): Don't use lg on 31 bit.
2753 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2754 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2755
2756 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2757
2758 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2759 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2760 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2761 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2762 with one of the new macros.
2763
2764 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2765
2766 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2767 Don't set save_return_addr_p.
2768 (s390_register_info): Make clobbered_regs not depending on
2769 save_return_addr_p.
2770
2771 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2772
2773 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2774 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2775
2776 2005-08-11 James E. Wilson <wilson@specifix.com>
2777
2778 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2779
2780 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2781
2782 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2783 locations gathered by var-tracking in single entry loc_list
2784 over loc_descriptor_from_tree.
2785
2786 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2787 pass it down to loc_descriptor.
2788 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2789 (containing_function_has_frame_base): Move earlier in the file.
2790 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2791 instead of always assuming fbreg can't be used.
2792
2793 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2794
2795 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2796 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2797 Accept address wrapped in AND for Altivec.
2798 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2799 Strip AND wrapping offset address for Altivec.
2800
2801 2005-08-11 Richard Henderson <rth@redhat.com>
2802
2803 PR middle-end/23312
2804 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2805 before using TYPE_IS_SIZETYPE.
2806
2807 2005-08-11 Richard Henderson <rth@redhat.com>
2808
2809 PR target/22225
2810 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2811 insn types not present on ev4.
2812 (alphaev5_insn_pipe): Similarly.
2813
2814 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2815
2816 PR target/23250
2817 * arm.c (arm_override_options): If the user has selected callee-super-
2818 interworking, then enable normal interworking.
2819
2820 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2821
2822 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2823 redefinition.
2824
2825 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2826
2827 * doc/rtl.texi: Fix two typos.
2828
2829 2005-08-11 Richard Guenther <rguenther@suse.de>
2830
2831 PR target/23289
2832 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2833 cases where we call to/from functions returning void.
2834
2835 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2836
2837 PR c++/23225
2838 * tree.c (build_pointer_type_for_mode): Robustify.
2839
2840 2005-08-10 James E Wilson <wilson@specifix.com>
2841
2842 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2843 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2844
2845 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2846 "cum->".
2847
2848 2005-08-10 Eric Christopher <echristo@apple.com>
2849
2850 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2851 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2852 V2DFmode.
2853
2854 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2855
2856 PR target/21887
2857 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2858 for the high part when generating dynamic-no-pic code.
2859
2860 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2861
2862 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2863 (x86_64-*-linux*): Likewise.
2864
2865 * config/i386/crtfastmath.c: New file.
2866 * config/i386/t-crtfm: Likewise.
2867
2868 * config/i386/linux.h (ENDFILE_SPEC): New.
2869 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2870
2871 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2872 crtfastmath.o.
2873
2874 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2875
2876 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2877 (vec_shl, vec_shr): Document new operations.
2878 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2879
2880 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2881
2882 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2883 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2884 change predicate to indexed_or_indirect_address.
2885
2886 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2887
2888 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2889 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2890 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2891 and __aeabi_uwrite8.
2892 * config/arm/unaligned-funcs.c: New file.
2893 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2894
2895 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2896
2897 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2898 Add dump.
2899 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2900 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2901 Add dump.
2902 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2903 * final.c (pass_shorten_branches): Add dump.
2904 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2905 (pass_life): Rename dump.
2906 (rest_of_handle_flow2): Remove initial verify_flow_info.
2907 * function.c (pass_instantiate_virtual_regs): Add dump.
2908 * integrate.c (pass_initial_value_sets): Add dump.
2909 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2910 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2911 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2912 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2913 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2914 gate_rtl_unrool_and_peel_loops): New.
2915 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2916 rtl_doloop): Do not look at flags.
2917 * mode-switching.c (pass_mode_switching): Add dump.
2918 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2919 pass_split_before_regstack): Add dump.
2920 * regmove.c (pass_stack_adjustments): Add dump.
2921 * tree-optimize.c (pass_fixup_cfg): Add dump.
2922
2923 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2924
2925 PR 23309
2926 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2927 deciding which instruction sequence to use.
2928
2929 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2930
2931 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2932 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2933
2934 2005-08-09 Richard Guenther <rguenther@suse.de>
2935
2936 * c-common.c (builtin_function_2): Remove.
2937 (def_builtin_1): New function.
2938 (c_common_nodes_and_builtins): Use def_builtin_1 to
2939 build builtin functions.
2940
2941 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2942
2943 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2944 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2945 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2946 Visual DSP.
2947
2948 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2949
2950 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2951 fold_binary instead of fold_build2 since we don't care about the
2952 resulting tree.
2953 (loop_niter_by_eval): Likewise.
2954 (compare_trees): Likewise.
2955 (proved_non_wrapping_p): Likewise.
2956
2957 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2958
2959 PR c/23161
2960 PR c/23165
2961 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2962 if the if is really empty.
2963
2964 2005-08-09 Steven Bosscher <stevenb@suse.de>
2965
2966 PR tree-optimization/23234
2967 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2968 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2969 argument of the new enum.
2970 (execute_cse_reciprocals): Add reciprocals for function arguments
2971 on the unique successor edge of the entry block. Update other calls
2972 to execute_cse_reciprocals_1.
2973
2974 2005-08-08 Richard Henderson <rth@redhat.com>
2975
2976 PR 22439
2977 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2978
2979 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2980
2981 * expr.c (write_complex_part): Return after handling MEM.
2982
2983 2005-08-08 Josh Conner <jconner@apple.com>
2984
2985 PR rtl-optimization/23241
2986 * combine.c (simplify_comparison): Fix error in determining
2987 whether to lift a subreg from comparison.
2988
2989 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2990
2991 PR target/18506
2992 * config/rs6000/altivec.md (vec_init<mode>): New.
2993 (vec_set<mode>): New.
2994 (vec_extract<mode>): New.
2995 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2996 (rs6000_expand_vector_set): New.
2997 (rs6000_expand_vector_extract): New.
2998 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2999 for Altivec modes before reload.
3000 (altivec_expand_vec_init_builtin): New.
3001 (get_element_number): New.
3002 (altivec_expand_vec_set_builtin): New.
3003 (altivec_expand_vec_ext_builtin): New.
3004 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3005 builtins.
3006 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3007 builtins.
3008 * config/rs6000/rs6000.h (rs6000_builtins): Add
3009 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3010 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3011 * config/rs6000/rs6000-protos.h: Declare new functions.
3012
3013 2005-08-08 Jan Hubicka <jh@suse.cz>
3014
3015 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3016 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3017 * i386.md (movdi*): Use pic_32bit_operand.
3018 * predicates.md (pic_32bit_operand): New.
3019
3020 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3021
3022 PR c++/21166
3023 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3024
3025 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3026
3027 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3028 (test_for_singularity): Use fold_build2.
3029
3030 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3031
3032 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3033
3034 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3035
3036 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3037 (COMMON_ASM_OP) Define.
3038 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3039 (ix86_encode_section_info): Likewise.
3040 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3041 SUBTARGET_ENCODE_SECTION_INFO.
3042
3043 2005-08-06 Richard Henderson <rth@redhat.com>
3044
3045 PR 21894
3046 * tree-nested.c (convert_local_reference): Save and restore val_only
3047 around component_ref and friends. Clear walk_subtrees by default.
3048
3049 2005-08-06 Peter O'Gorman <peter@pogma.com>
3050
3051 PR 21366
3052 * gcc.c (process_command): Check the argument to -b has a dash.
3053 * doc/invoke.texi: Update -b and -V docs.
3054
3055 2005-08-06 James E Wilson <wilson@specifix.com>
3056
3057 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3058
3059 2005-08-06 Michael Matz <matz@suse.de>
3060
3061 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3062 member only if only one insn is associated with the value.
3063
3064 2005-08-06 Nick Clifton <nickc@redhat.com>
3065
3066 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3067 New define.
3068 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3069 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3070 Check symbol flags instead of symbol name mangling.
3071 (xstormy16_asm_output_aligned_common): Likewise. Also
3072 simplify code since the bss100_section cass is the only case
3073 where the below100 code will be triggered.
3074 (xstormy16_encode_section_info): Encode below100 attribute
3075 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3076 the name.
3077 (xstormy16_strip_name_encoding): Delete - this function is no
3078 longer needed.
3079 (TARGET_STRIP_NAME_ENCODING): Undefine.
3080 * config/stormy16/stormy16-protos.h: Delete prototype for
3081 xstormy16_strip_name_encoding.
3082
3083 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3084
3085 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3086 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3087 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3088 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3089 config/alpha/predicates.md, config/arc/arc.h,
3090 config/arm/arm.h, config/arm/ieee754-df.S,
3091 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3092 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3093 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3094 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3095 config/m68hc11/m68hc11.h, config/mips/mips.c,
3096 config/mips/mips.h, config/mips/openbsd.h,
3097 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3098 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3099 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3100 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3101 config/sparc/linux.h, config/sparc/linux64.h,
3102 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3103 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3104 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3105 typos. Follow spelling conventions.
3106
3107 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3108
3109 PR c/23113
3110 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3111 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3112 specially. Check for side effects only for COND_EXPR.
3113 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3114 return with TREE_NO_WARNING.
3115
3116 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3117
3118 PR rtl-optimization/23233
3119 * loop.c (combine_movables): Require the modes to be the same.
3120 (move_movables): Remove handling of cases where the replacement
3121 had a different mode to the original.
3122
3123 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3124
3125 PR tree-optimization/23128
3126 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3127 subtraction wrap, and set TREE_OVERFLOW if they do.
3128
3129 2005-08-05 Richard Henderson <rth@redhat.com>
3130
3131 PR 21728
3132 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3133 FORCED_LABEL labels.
3134
3135 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3136
3137 PR middle-end/23135
3138 * reload.c (find_reloads_subreg_address): Pass down TYPE
3139 unchanged. Change all callers except find_reloads_toplev.
3140
3141 2005-08-05 Michael Matz <matz@suse.de>
3142
3143 * genattrtab.c (current_alternative_string): Remove.
3144 (SIMPLIFY_ALTERNATIVE): Ditto.
3145 (attr_alt_bit_p): Ditto.
3146 (alternative_name): Make const char *.
3147 (evaluate_eq_attr): Remove use of above things.
3148 (simplify_test_exp): Ditto.
3149 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3150 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3151
3152 2005-08-04 James E Wilson <wilson@specifix.com>
3153
3154 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3155 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3156 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3157 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3158 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3159
3160 2005-08-04 Richard Henderson <rth@redhat.com>
3161
3162 PR 21529
3163 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3164 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3165 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3166 if we'd have to instantiate too many members.
3167
3168 2005-08-04 Richard Henderson <rth@redhat.com>
3169
3170 PR 21291
3171 * tree-outof-ssa.c (coalesce_asm_operands): New.
3172 (coalesce_ssa_name): Use it. Split out ...
3173 (coalesce_phi_operands, coalesce_result_decls): ... these.
3174
3175 2005-08-04 Paul Brook <paul@codesourcery.com>
3176
3177 * read-rtl.c (read_quoted_string): Break if EOF.
3178
3179 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3180
3181 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3182 (fold_build2): Likewise.
3183 (fold_build3): Likewise.
3184 (fold_build1_stat): New function prototype.
3185 (fold_build2_stat): Likewise.
3186 (fold_build3_stat): Likewise.
3187 * fold-const.c (fold_build1): Rename to ..
3188 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3189 through to build1_stat.
3190 (fold_build2): Rename to ..
3191 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3192 through to build2_stat.
3193 (fold_build3): Rename to ..
3194 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3195 through to build3_stat.
3196
3197 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3198 Ian Lance Taylor <ian@airs.com>
3199
3200 * function.c (assign_stack_local_1): Do not correct stack slot
3201 address if allocation size is smaller than mode size.
3202
3203 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3204
3205 PR 22037
3206 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3207 (tree_merge_blocks): Propagate anything allowed by
3208 may_propagate_copy.
3209 Clarify documentation.
3210 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3211 SSA form, schedule an update if necessary.
3212
3213 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3214
3215 * doc/install.texi (Binaries): Remove broken link to
3216 Sinix/Reliant Unix binaries.
3217
3218 2005-08-03 Richard Henderson <rth@redhat.com>
3219
3220 PR 23221
3221 * function.c (stack_protect_epilogue): Export.
3222 * tree.h (stack_protect_epilogue): Declare.
3223 * calls.c (expand_call): Call it.
3224
3225 2005-08-03 Eric Christopher <echristo@apple.com>
3226
3227 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3228 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3229 spec.
3230
3231 2005-08-04 Jan Hubicka <jh@suse.cz>
3232
3233 * profile.c (branch_prob): Split edges with goto locus on them
3234 to get proper line counts.
3235 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3236
3237 2005-08-03 Paul Brook <paul@codesourcery.com>
3238
3239 * function.c (assign_parms): Round current_function_args_size
3240 to PARM_BOUNDARY, not STACK_BOUNDARY.
3241
3242 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3243
3244 * config/i386/i386.c (x86_elf_aligned_common)
3245 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3246
3247 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3248
3249 PR tree-optimization/23157
3250 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3251 before emitting them.
3252
3253 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3254
3255 PR tree-optimization/19899
3256 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3257 * tree-scalar-evolution.c: Include real.h.
3258 (add_to_evolution): Build constant -1 of correct type.
3259
3260 2005-08-03 Jan Hubicka <jh@suse.cz>
3261
3262 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3263 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3264 profile updating for complette unrolling.
3265 * loop-unroll.c (peel_loop_completely): Use it.
3266 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3267 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3268 loops.
3269
3270 2005-08-03 Paul Brook <paul@codesourcery.com>
3271
3272 * combine.c (can_change_dest_mode): New function.
3273 (try_combine, simplify_set): Use it.
3274
3275 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3276
3277 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3278 TFmode to BLKmode.
3279
3280 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3281
3282 * doc/install.texi (Specific): Adjust link to openavr.org.
3283 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3284 (Binaries): Adjust HP-UX Porting Center link.
3285 (Binaries): Adjust Free Software Foundation ordering link.
3286
3287 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3288
3289 * convert.c (convert_to_integer): Use fold_build1 instead of
3290 build1 when converting an integer to an integer.
3291
3292 2005-08-02 Richard Henderson <rth@redhat.com>
3293
3294 * combine.c (combine_instructions): Don't use reg_equal/equiv
3295 results if the mode doesn't match.
3296
3297 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3298
3299 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3300 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3301
3302 2005-08-02 Richard Henderson <rth@redhat.com>
3303
3304 PR 23196
3305 * explow.c (memory_address): Remove special-case for
3306 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3307
3308 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3309
3310 PR 23164
3311 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3312 number of calls to cleanup_tree_cfg_1.
3313
3314 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3315
3316 * doc/invoke.texi: document file extensions .F90 and .F95
3317
3318 2005-08-02 Richard Guenther <rguenther@suse.de>
3319
3320 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3321 positive if its first argument is positive.
3322
3323 2005-08-02 Richard Guenther <rguenther@suse.de>
3324
3325 PR tree-optimization/23177
3326 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3327 on TMR_TAG.
3328
3329 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3330
3331 PR tree-optimization/23129
3332 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3333 varying for divisions with anti-ranges.
3334
3335 2005-08-02 Jan Hubicka <jh@suse.cz>
3336
3337 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3338 * tree-ssa-threadupdate.c (thread_block): Add it here.
3339
3340 2005-08-01 James E Wilson <wilson@specifix.com>
3341
3342 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3343 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3344 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3345 New.
3346 * config/mips/predicates.md (const_call_insn_operand): Add check for
3347 SYMBOL_REF_LONG_CALL_P.
3348 * doc/extend.texi (long_call): Document the new attribute.
3349
3350 2005-08-01 Ian Lance Taylor <ian@airs.com>
3351 Richard Henderson <rth@redhat.com>
3352
3353 * Makefile.in (RTL_BASE_H): Add real.h.
3354 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3355 instead of memcpy.
3356 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3357 directly.
3358 * rtl.c (rtl_check_failed_code_mode): New.
3359 * rtl.h (struct rtx_def): Add u.rv.
3360 (XCMWINT, XCNMPRV): New.
3361 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3362 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3363
3364 2005-08-01 Richard Henderson <rth@redhat.com>
3365
3366 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3367 with auto-inc codes.
3368
3369 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3370
3371 2005-08-01 Jan Hubicka <jh@suse.cz>
3372
3373 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3374 * i386.c: Include dwarf2.h
3375 (asm_preferred_eh_data_format): New.
3376 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3377
3378 2005-08-01 Ian Lance Taylor <ian@airs.com>
3379
3380 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3381 randomize_va_space for virtual address randomization control.
3382
3383 2005-08-01 Steven Bosscher <stevenb@suse.de>
3384
3385 * common.opt (flag_ipa_cp): Put in right place to maintain
3386 alphabetic sort.
3387
3388 2005-08-01 Jan Hubicka <jh@suse.cz>
3389
3390 * profile.c (compute_value_histograms): Fix thinko.
3391 * value-prof.c: Include toplev.h
3392 (check_counter): New function.
3393 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3394 tree_mod_subtract_transform): Add sanity check.
3395
3396 2005-08-01 Richard Guenther <rguenther@suse.de>
3397
3398 PR tree-optimization/23133
3399 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3400 current functions parameter decls to find defs to cse
3401 reciprocals of.
3402
3403 2005-08-01 Richard Guenther <rguenther@suse.de>
3404
3405 PR tree-optimization/23109
3406 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3407 If trapping math is in effect, use post-dominator information
3408 to check if we'd in any case reach a trapping point before
3409 doing the reciprocal insertion.
3410 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3411 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3412 expressions are invariant only if trapping math is not in effect.
3413
3414 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3415
3416 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3417 cgraph_function_versioning): New declarations.
3418 * cgraphunit.c: Add include to ipa-prop.h.
3419 (update_call_expr, cgraph_copy_node_for_versioning,
3420 cgraph_function_versioning): New functions.
3421 * integrate.c (copy_decl_for_inlining): Remove.
3422 * ipa-prop.h (ipa_replace_map): New struct.
3423 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3424 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3425 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3426 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3427 ipcp_iterate_stage, ipcp_method_scale_print,
3428 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3429 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3430 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3431 ipcp_update_bb_counts, ipcp_update_profiling,
3432 ipcp_update_edges_counts): New functions.
3433 (ipcp_method_cval_init): Remove restriction regarding local methods.
3434 (ipcp_init_stage): Add ipcp_method_compute_scale.
3435 (ipcp_insert_stage): Add versioning.
3436 (ipcp_structures_print): Add ipcp_method_scale_print.
3437 (ipcp_driver): Dump profiling info.
3438 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3439 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3440 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3441 (struct inline_data): Add versioning_p, ipa_info, new fields.
3442 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3443 declare_return_variable): Replace calls to copy_decl_for_inlining with
3444 copy_decl_for_dup.
3445 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3446 versioning support.
3447 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3448 Add argument VERSIONING.
3449 (copy_arguments_for_versioning, copy_static_chain,
3450 function_versionable_p, tree_versionable_function_p,
3451 tree_function_versioning, replace_ref_tree): New functions.
3452 * tree-inline.h: Include varray.h.
3453 (tree_versionable_function_p, tree_function_versioning,
3454 tree copy_decl_for_dup): New declarations.
3455
3456 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3457
3458 * ipa-cp.c: New file. Contains IPCP specific functionality.
3459 * ipa-prop.h: New file. Contains structures/definitions that can be
3460 used by several interprocedural data flow optimizations (and also IPCP).
3461 * ipa-prop.c: New file.
3462 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3463 * common.opt: Add ipa-cp flag.
3464 * timevar.def: Add IPCP optimization.
3465 * tree-optimize.c (init_tree_optimization_passes): Schedule
3466 pass_ipa_cp.
3467 * tree-pass.h (pass_ipa_cp): Declare.
3468
3469 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3470
3471 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3472 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3473 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3474 config/i386/i386.c, config/mips/mips.h,
3475 config/rs6000/rs6000.h, config/sh/sh.c,
3476 config/stormy16/stormy16.c: Fix comment typos.
3477
3478 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3479
3480 PR c/22311
3481 * c-typeck.c (build_binary_op): Use common_type wrapper on
3482 shortened types.
3483 (common_type): Update comment.
3484
3485 2005-07-31 Steven Bosscher <stevenb@suse.de>
3486
3487 PR target/23095
3488 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3489 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3490 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3491
3492 2005-07-31 Jan Hubicka <jh@suse.cz>
3493
3494 * pretty-print.h (pp_widest_integer): New macro.
3495 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3496 counts.
3497
3498 2005-07-31 Jan Hubicka <jh@suse.cz>
3499
3500 * output.h (enum section_category): Export from varasm.c
3501 (categorize_decl_for_section): Likewise.
3502 * varasm.c (enum section_category): Kill.
3503 (categorize_decl_for_section): Make global.
3504 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3505 Declare.
3506 * i386.c (ix86_section_threshold): New static variable.
3507 (ix86_in_large_data_p, ix86_encode_section_info,
3508 x86_64_elf_unique_section,
3509 x86_64_elf_select_section): New functions.
3510 (TARGET_ENCODE_SECTION_INFO): Define
3511 (override_options): Enable medium model for PIC.
3512 (ix86_expand_prologue): Expand gen_set_got_rex64.
3513 (legitimate_constant_p): Handle new UNSPECs.
3514 (legitimate_pic_address_disp_p): Likewise.
3515 (legitimize_pic_address): Lower MEDIUM model addressing.
3516 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3517 (enum cmodel): Add MEDIUM_PIC.
3518 (SYMBOL_REF_FAR_ADDR_P): New macro.
3519 (SYMBOL_FLAG_FAR_ADDR): New flag.
3520 * i386.md (movdi): Support medium model.
3521 (set_got_rex64): New pattern.
3522 * i386.opt (mlarge-data-threshold): New flag.
3523 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3524 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3525 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3526 TARGET_ASM_UNIQUE_SECTION): New.
3527
3528 * invoke.texi (-mlarge_data_threshold): Document
3529
3530 2005-07-31 Jan Hubicka <jh@suse.cz>
3531
3532 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3533 (coalesce_vars): Likewise.
3534 * tree-ssa-live.c (coalesce_cost): New.
3535 (build_tree_conflict_graph): Use coalesce_cost.
3536 * tree-ssa-live.h (coalesce_cost): Declare.
3537
3538 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3539
3540 * arm.md (all peepholes for post-increment operations): Delete.
3541 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3542 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3543 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3544 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3545 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3546
3547 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3548
3549 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3550 non-integral types.
3551
3552 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3553
3554 PR target/22582
3555 * doc/invoke.texi: Document -rdynamic.
3556
3557 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3558
3559 PR c/23143
3560 * c-parser.c (c_parser_parms_list_declarator): Call
3561 mark_forward_parm_decls.
3562 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3563 decls with visibility structure.
3564
3565 2005-07-30 Paul Brook <paul@codesourcery.com>
3566
3567 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3568
3569 2005-07-30 Paul Brook <paul@codesourcery.com>
3570
3571 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3572 prototype.
3573 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3574 value for mode.
3575 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3576
3577 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3578
3579 PR c/529
3580 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3581 nested function declarators.
3582 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3583 (grokparms): Call warn_if_shadowing for parameters used within the
3584 parameter list.
3585 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3586 not used within the parameter list.
3587 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3588
3589 2005-07-30 Jan Hubicka <jh@suse.cz>
3590
3591 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3592 * i386.c (ix86_fixup_binary_operands): Likewise.
3593 (ix86_expand_unary_operator): Likewise.
3594 (ix86_expand_fp_absneg_operator): Likewise.
3595 * optabs.c (expand_vec_cond_expr): Validate dest.
3596
3597 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3598
3599 PR c/21720
3600 * real.c (real_from_string): Also set last bit if there is a
3601 nonzero hex digit beyond GCC's internal precision after ".".
3602
3603 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3604
3605 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3606 define_constants. Change duplicate values to unassigned numbers.
3607 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3608 (*altivec_vspltsf): New.
3609 (altivec_vperm_v4sf): Delete.
3610 (altivec_vperm_<mode>): Use mode macro V.
3611 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3612 (altivec_predicate_v4sf): Delete.
3613 (altivec_predicate_<mode>): Use mode macro V.
3614 (*altivec_lvesfx): New.
3615 (*altivec_stvesfx): New.
3616 (vec_realign_load_v4sf): Delete.
3617 (vec_realign_load_<mode>): Use mode macro V.
3618 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3619 UNSPECV_SET_VRSAVE.
3620
3621 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3622
3623 PR bootstrap/23131
3624 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3625 string.
3626 * configure: Regenerated.
3627
3628 2005-07-29 Paul Brook <paul@codesourcery.com>
3629
3630 * doc/install.texi: Add link to GFortran binaries wiki page.
3631
3632 2005-07-29 David Ung <davidu@mips.com>
3633
3634 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3635 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3636 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3637 * config/mips/mips.md (cpu): Add 5kf name.
3638 (includes): Includes 5k.md.
3639 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3640 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3641 -march flag.
3642
3643 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3644
3645 PR 22550
3646 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3647 (cleanup_tree_cfg): ... here.
3648 Call cleanup_tree_cfg_1 until there are no more cleanups to
3649 do.
3650
3651 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3652
3653 * tree-vrp.c (compare_range_with_value): Return true or false
3654 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3655 EQ_EXPR respectively.
3656
3657 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3658
3659 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3660 Fix comment typos.
3661
3662 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3663
3664 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3665 (tree_ssa_dominator_optimize): Increment it.
3666 (dump_dominator_optimization_stats): Print it.
3667
3668 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3669 Steven Bosscher <stevenb@suse.de>
3670
3671 PR rtl-optimization/23117
3672 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3673 when head == tail. Tidy comment.
3674
3675 2005-07-28 Richard Henderson <rth@redhat.com>
3676
3677 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3678 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3679 * jump.c (rtx_renumbered_equal_p): Likewise.
3680 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3681 CONST_INT and CONST_DOUBLE.
3682 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3683 * reload.c (operands_match_p): Special case CONST_INT and
3684 CONST_DOUBLE; check mode earlier.
3685
3686 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3687
3688 PR c/22240
3689 * c-typeck.c (convert_for_assignment): Do not check
3690 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3691
3692 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3693
3694 PR c/22192
3695 * c-typeck.c (composite_type): Prefer constant size arrays to
3696 VLAs.
3697
3698 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3699
3700 PR c/21720
3701 * real.c (real_from_string): Set last bit if there is a nonzero
3702 hex digit beyond GCC's internal precision.
3703
3704 2005-07-28 Richard Henderson <rth@redhat.com>
3705
3706 PR rtl-opt/22619
3707 * cfgcleanup.c (try_forward_edges): Watch out for end of
3708 insn chain.
3709
3710 2005-07-28 James E Wilson <wilson@specifixinc.com>
3711
3712 PR c/23106
3713 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3714
3715 2005-07-28 Jan Hubicka <jh@suse.cz>
3716
3717 * Makefile.in (rtl-profile.o): Kill all traces of it.
3718 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3719 * coverage.h (rtl_coverage_counter_ref): Kill.
3720 * opts.c (flag_speculative_prefetching_set): Kill.
3721 (flag_loop_optimize_set): New.
3722 (common_handle_option): Disable loop optimizer when profiling;
3723 do not handle speculative prefetching.
3724 * passes.c (init_optimization_passes): Replace pass_profiling combo
3725 by branch_prob pass.
3726 * profile.c (compute_value_histograms): Update for simplified value
3727 profiles.
3728 (rtl_register_profile_hooks): Kill.
3729 (pass_profiling): Kill.
3730 (rest_of_handle_branch_prob): Do not profile.
3731 * toplev.c (process_options): Remove speculative prefetching.
3732 * toplev.h (flag_tree_based_profiling): Kill.
3733 * tree-profile.c (prepare_instrumented_value,
3734 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3735 tree_gen_one_value_profiler, do_tree_profiling): Update for
3736 simplified datastructures.
3737 * value-prof.c: Add comment that speculative prefetching was dropped;
3738 update rest of file for simplified datastructures.
3739 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3740 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3741 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3742 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3743 rtl_mod_subtract, gen_speculative_prefetch,
3744 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3745 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3746 (gate_handle_value_profile_transformations,
3747 rest_of_handle_value_profile_transformations,
3748 pass_value_profile_transformations): Kill.
3749 * value-prof.h (histogram_value_t): Remove IL based unions.
3750 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3751 rtl_profile_hooks): Remove hooks.
3752
3753 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3754
3755 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3756 (cgraph_clone_node): Likewise.
3757 * cgraph.h (cgraph_clone_edge): Update prototype.
3758 (cgraph_clone_node): Likewise.
3759 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3760 cgraph_clone_node.
3761 (lookup_recursive_calls): Consider profile.
3762 (cgraph_decide_recursive_inlining): Fix updating; use new
3763 probability argument; use profile.
3764 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3765 * tree-inline.c (copy_bb): Update clal of clone_edge.
3766 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3767
3768 * invoke.texi (min-inline-recursive-probability): Document.
3769
3770 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3771
3772 * doc/install.texi (Configuration): Update Valgrind homepage.
3773
3774 2005-07-28 Richard Henderson <rth@redhat.com>
3775
3776 PR middle-end/21362
3777 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3778 labels we want to delete.
3779 (cfg_layout_merge_blocks): Likewise.
3780
3781 2005-07-28 Richard Henderson <rth@redhat.com>
3782
3783 PR target/17692
3784 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3785 when expanding to nothing.
3786
3787 2005-07-28 Josh Conner <jconner@apple.com>
3788
3789 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3790 (cgraph_decide_inlining_of_small_functions): Likewise.
3791
3792 2005-07-28 Josh Conner <jconner@apple.com>
3793
3794 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3795 direction of badness if negative.
3796 (cgraph_default_inline_p): Add reason to parameters, and assign it
3797 a value.
3798 (cgraph_decide_inlining_of_small_functions): New parameter in call
3799 to cgraph_default_inline_p.
3800 (cgraph_decide_inlining_incrementally): Likewise.
3801 * cgraphunit.c (decide_is_function_needed): Likewise.
3802 * cgraph.h (cgraph_default_inline_p): Likewise.
3803
3804 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3805
3806 * builtins.c: Fix comment typo(s).
3807 * genautomata.c: Likewise.
3808 * gimplify.c: Likewise.
3809 * tree-dfa.c: Likewise.
3810 * tree-flow-inline.h: Likewise.
3811 * tree-into-ssa.c: Likewise.
3812 * tree-ssa-alias.c: Likewise.
3813 * tree-ssa-ccp.c: Likewise.
3814 * tree-ssa-copy.c: Likewise.
3815 * tree-ssa-dce.c: Likewise.
3816 * tree-ssa-dom.c: Likewise.
3817 * tree-ssa-operands.c: Likewise.
3818 * tree-tailcall.c: Likewise.
3819 * tree-vectorizer.c: Likewise.
3820 * tree-vrp.c: Likewise.
3821 * tree.c: Likewise.
3822
3823 2005-07-28 Jeff Law <law@redhat.com>
3824
3825 * tree-vrp.c (test_for_singularity): Extracted from ...
3826 (simplify_cond_using_ranges): Attempt to simplify a relational
3827 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3828
3829 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3830
3831 PR tree-optimization/22506
3832 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3833 phis whose argument is constant.
3834
3835 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3836
3837 PR rtl-optimization/18992
3838 Back out this patch:
3839 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3840 PR optimization/12142
3841 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3842 uses of the register in the SET_SRC. Remove unnecessary argument.
3843
3844 Replace it with this:
3845 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3846 if flag_non_call_exceptions is set and the insn may trap, pass
3847 pc_rtx as dest for recursion.
3848 In SET_SRC part of SET case, if dest is already set, pass it down
3849 unchanged.
3850
3851 2005-07-28 Jan Hubicka <jh@suse.cz>
3852
3853 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3854 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3855 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3856 roundoff errors.
3857 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3858 profile when available.
3859
3860 2005-07-28 Jan Beulich <jbeulich@novell.com>
3861
3862 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3863 (ia64_print_operand): Describe and handle 'X'.
3864 (ia64_register_move_cost): Also handle FP_REGS.
3865 (ia64_preferred_reload_class): Likewise.
3866 (ia64_secondary_reload_class): Likewise.
3867 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3868 it. Also check for ITANIUM_CLASS_FLDP.
3869 * config/ia64/ia64.h (FP_REGNO_P): New.
3870 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3871 (reg_class): Add FP_REGS.
3872 (REG_CLASS_NAMES): Adjust for it.
3873 (REG_CLASS_CONTENTS): Likewise.
3874 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3875 (REG_CLASS_FROM_LETTER): Handle 'x'.
3876 (CLASS_MAX_NREGS): Handle FP_REGS.
3877 (MEMORY_MOVE_COST): Likewise.
3878 * config/ia64/ia64.md (itanium_class): Add fldp.
3879 (type): Handle fldp.
3880 (movti_internal): More allowable operand combinations. Use ldfp8 when
3881 splitting unnecessary. Remove predicable attribute. Adjust
3882 itanium_class attribute.
3883 (smuldi3_highpart): Remove outdated comment.
3884 (mulditi3, umulditi3, rotlti3): New expanders.
3885 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3886 (absti2): Disabled new insn for future reference.
3887 Respective new splitters.
3888 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3889 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3890 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3891
3892 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3893
3894 PR rtl-optimization/23047
3895 * simplify-rtx.c (simplify_const_relational_operation): Respect
3896 flag_wrapv for comparisons with ABS.
3897
3898 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3899
3900 PR tree-optimization/22493
3901 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3902 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3903
3904 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3905
3906 * config/frv/frv.opt (moptimize-membar): New.
3907
3908 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3909
3910 * config/frv/frv.h: Remove machine_function definition.
3911
3912 * config/frv/frv.c (struct frv_io): New.
3913 (struct machine_function): Moved from frv.h. Add has_membar_p.
3914 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3915 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3916 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3917 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3918 (frv_reorg): Call frv_optimize_membar when appropriate.
3919 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3920 (frv_expand_builtin): Adjust calls accordingly.
3921 (frv_io_address_cookie): New function.
3922 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3923 load or store rather than a special insn. Add ccnstant address and
3924 io-type operands to the membar.
3925 (frv_ifcvt_modify_tests): Unsign regno.
3926 (frv_ifcvt_modify_tests): Same.
3927
3928 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3929 UNSPEC_OPTIONAL_MEMBAR constant.
3930 (builtin_read_<mode>): Delete.
3931 (builtin_write_<mode>): Delete.
3932 ("optional_membar_<mode>"): Add operand.
3933
3934 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3935 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3936 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3937 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3938 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3939 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3940 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3941 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3942 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3943
3944 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3945
3946 * df.c (df_uses_record): Handle SCRATCH.
3947
3948 2005-07-28 Steven Bosscher <stevenb@suse.de>
3949
3950 PR debug/20161
3951 * passes.c (rest_of_decl_compilation): If decl is a type and
3952 we have encountered errors, don't emit debug information.
3953
3954 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3955
3956 * params.def: Fixed comment.
3957
3958 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3959
3960 PR target/19885
3961 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3962 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3963 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3964
3965 2005-07-27 Steven Bosscher <stevenb@suse.de>
3966
3967 PR c++/22003
3968 * varasm.c (assemble_start_function): Don't do anything that may
3969 require a CFG if the current function is a thunk.
3970
3971 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3972
3973 * doc/install.texi (Prerequisites): Mention that perl is needed
3974 to do export control in libstdc++ targetting Darwin.
3975
3976 2005-07-27 Steven Bosscher <stevenb@suse.de>
3977
3978 PR rtl-optimization/17808
3979 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3980 (sched_insns_conditions_mutex_p): Split out from...
3981 (add_dependence): ...here. But don't call it from here.
3982 (add_dependence_list): Check sched_insns_conditions_mutex_p
3983 before calling add_dependence.
3984 (add_dependence_list_and_free): Likewise.
3985 (fixup_sched_groups): Likewise.
3986 (sched_analyze_1): Likewise.
3987 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3988 (sched_analyze): Likewise.
3989 (sched_analyze_insn): Likewise.
3990 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3991 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3992 dependencies on all COND_EXEC insns to jumps ending basic blocks
3993 when doing intrablock scheduling.
3994 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3995
3996 2005-07-27 Jeff Law <law@redhat.com>
3997
3998 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3999 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4000 equivalency sets, correctly handle the case were vr0 has an
4001 equivalency set, but vr1 does not.
4002
4003 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4004
4005 PR tree-optimization/23073
4006 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4007 vect_print_dump_info before fprintf.
4008
4009 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4010
4011 PR tree-optimize/22348
4012 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4013 Fold the partial computation.
4014
4015 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4016
4017 PR tree-optimization/22325
4018 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4019 Declare.
4020 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4021 value replacement.
4022 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4023 (force_var_cost): ... this function.
4024 (compute_phi_arg_on_exit): Export.
4025
4026 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4027
4028 PR tree-optimization/20773
4029 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4030 edge.
4031
4032 2005-07-27 Richard Guenther <rguenther@suse.de>
4033
4034 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4035 Avoid pushing again if current struct contains only
4036 fields we decomposed.
4037
4038 2005-07-27 Jan Hubicka <jh@suse.cz>
4039
4040 PR tree-optimization/22574
4041 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4042 not available.
4043
4044 * tree-tailcall.c (decrease_profile): New function.
4045 (eliminate_tail_call): Use it.
4046
4047 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4048 visibility flags correctly in whole program mode.
4049
4050 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4051
4052 PR rtl-optimization/22472
4053 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4054
4055 2005-07-26 Steven Bosscher <stevenb@suse.de>
4056
4057 PR tree-optimization/22504
4058 * tree-complex.c (expand_complex_addition): Use 'code' instead
4059 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4060
4061 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4062
4063 * config.gcc (cpu_type): Add frv case.
4064 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4065 (supported_defaults): Add fr550 case.
4066
4067 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4068
4069 PR 22591
4070 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4071 whether a pointer of type T * may point to objects of type T *.
4072
4073 2005-07-26 DJ Delorie <dj@redhat.com>
4074
4075 * configure: Regenerate.
4076
4077 2005-07-26 Dale Johannesen <dalej@apple.com>
4078
4079 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4080
4081 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4082
4083 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4084 Clarify use of "build" in name.
4085
4086 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4087
4088 * doc/extend.texi (Raw read/write Functions): New section.
4089 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4090 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4091 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4092 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4093 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4094 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4095 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4096 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4097 * config/frv/frv.c: Add bdesc_loads global.
4098 Add bdesc_stores global.
4099 (frv_init_builtins): Add support for __builtin_{read/write}*.
4100 (frv_volatile_memref): New.
4101 (frv_expand_load_builtin): New.
4102 (frv_expand_store_builtin): New.
4103 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4104 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4105 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4106 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4107 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4108 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4109 (builtin_read_<mode>): New.
4110 (builtin_write_<mode>): New.
4111 (builtin_write64): New.
4112 (optional_membar_<mode>): New.
4113
4114 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4115
4116 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4117 (rather than units) against HOST_BITS_PER_WIDE_INT.
4118
4119 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4120
4121 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4122 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4123 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4124 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4125 FSF address.
4126
4127 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4128 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4129 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4130 comment typos.
4131 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4132
4133 2005-07-26 Richard Guenther <rguenther@suse.de>
4134
4135 PR tree-optimization/22486
4136 * fold-const.c (fold_unary): Fold away useless component
4137 references of the form (T *)&T.x, if the address
4138 doesn't change.
4139
4140 2005-07-25 James E Wilson <wilson@specifixinc.com>
4141
4142 * dwarf2out.c (add_call_src_coords_attributes): New.
4143 (gen_inlined_subroutine_die): Call it.
4144 (maybe_emit_file, init_file_table): Add comments.
4145 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4146 maybe_emit_file.
4147 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4148 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4149 * tree.h (BLOCK_SOURCE_LOCATION): New.
4150 (struct tree_block): New field locus.
4151
4152 2005-07-26 Andreas Schwab <schwab@suse.de>
4153
4154 PR rtl-optimization/23043
4155 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4156 when allocating a struct unoccr.
4157
4158 2005-07-25 Richard Henderson <rth@redhat.com>
4159
4160 PR 22626
4161 * tree-complex.c (gate_no_optimization): True if errors.
4162 * Makefile.in (tree-complex.o): Update dependencies.
4163
4164 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4165
4166 * config/frv/predicates.md (integer_register_operand): Use
4167 GPR_AP_OR_PSEUDO_P.
4168
4169 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4170
4171 PR tree-opt/22484
4172 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4173 after fold.
4174 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4175
4176 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4177
4178 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4179 types when flag_unsafe_math_optimizations is true.
4180
4181 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4182
4183 * gcc.c (option_map): Add --sysroot.
4184 (process_command): Handle --sysroot.
4185 (display_help): Document it.
4186 * doc/cppopts.tex (-isysroot): Document.
4187 * doc/invoke.texi (--sysroot): Document.
4188 * doc/install.texi (--with-build-sysroot): Document.
4189
4190 * Makefile.in (inhibit_libc): New variable.
4191 (INHIBIT_LIBC_CFLAGS): Likewise.
4192 (LIBGCC2_CFLAGS): Include
4193 $(INHIBIT_LIBC_CFLAGS).
4194 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4195 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4196 ($(T)crtend.o): Likewise.
4197 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4198 ($(T)crtendS.o): Likewise.
4199 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4200 ($(T)crtendT.o): Likewise.
4201 (stmp-fixinc): Do not complain about missing headers if
4202 inhibit_libc.
4203 * configure.ac (inhibit_libc): Set it to true/false.
4204 (--with-build-sysroot): New option. Use it to set
4205 SYSTEM_HEADER_DIR.
4206 * configure: Regenerated.
4207
4208 2005-07-25 Manfred Hollstein <mh@suse.com>
4209
4210 * calls.c (store_one_arg): Fix unsigned comparison warning.
4211
4212 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4213
4214 PR other/22337
4215 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4216 (ggc_print_statistics): Initialize variable before use.
4217
4218 2005-07-25 Richard Guenther <rguenther@suse.de>
4219
4220 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4221 calling with a PHI_NODE argument.
4222
4223 * tree-flow-inline.h (overlap_subvar): Protect against
4224 possible overflow.
4225
4226 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4227
4228 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4229 * configure: Regenerate.
4230
4231 2005-07-25 Ira Rosen <irar@il.ibm.com>
4232
4233 * expr.c (highest_pow2_factor): Make extern.
4234 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4235 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4236 record_array_differ_p, array_ptr_differ_p): Likewise.
4237 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4238 additional cases. Call the above functions.
4239 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4240 base_object_differ_p when there are two base objects. Otherwise, compare
4241 base address and offset. Call may_alias_p.
4242 (dump_data_reference): Use a correct field name.
4243 (analyze_array): Make static. Initialize new data-ref fields.
4244 (analyze_indirect_ref): New function.
4245 (init_data_ref): Initialize new data-ref fields.
4246 (strip_conversion): Moved from tree-vect-analyze.c.
4247 (analyze_offset_expr, get_ptr_offset, address_analysis,
4248 object_analysis): Likewise.
4249 (analyze_offset): New function.
4250 (create_data_ref): Likewise.
4251 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4252 dimensions for ARRAY_REFs only.
4253 (build_classic_dist_vector): Make static.
4254 (access_functions_are_affine_or_constant_p): Call macro to get the
4255 address of access functions.
4256 (compute_all_dependences): Add new parameter
4257 compute_self_and_read_read_dependences. Compute self and read-read
4258 dependences if it is true.
4259 (find_data_references_in_loop): Call create_data_ref. Initialize new
4260 data-ref fields.
4261 (compute_data_dependences_for_loop): Add new parameter
4262 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4263 compute nb_loops. Call compute_all_dependences,
4264 build_classic_dist_vector and build_classic_dir_vector with correct
4265 parameters.
4266 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4267 with correct parameters. Compare dimensions for ARRAY_REFs only.
4268 (free_data_refs): Call macro to free access functions.
4269 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4270 fields from stmt_vinfo.
4271 (struct base_object_info): New structure.
4272 (struct data_reference): Move fields to base_object_info. Add fields
4273 first_location and object_info for above structures. Move fields from
4274 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4275 aligned_to. Add macros to access the new fields.
4276 Update functions declarations.
4277 * tree-flow.h (is_aliased_with): Declare.
4278 * tree-loop-linear.c (linear_transform_loops): Call
4279 compute_data_dependences_for_loop with correct parameters.
4280 * tree-ssa-alias.c (is_aliased_with): New function.
4281 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4282 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4283 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4284 vect_base_addr_differ_p, compute_subscript_distance and
4285 build_classic_dist_vector. Add printings. Check absolute value of
4286 distance.
4287 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4288 data-refs.
4289 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4290 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4291 to bytes. Add printing.
4292 (vect_compute_data_refs_alignment): Go through loads and stores in one
4293 loop.
4294 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4295 vect_analyze_data_ref_access): Likewise.
4296 (vect_analyze_pointer_ref_access): Remove.
4297 (vect_address_analysis, vect_object_analysis): Likewise.
4298 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4299 and analyze data-refs in the loop.
4300 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4301 fields of data-ref instead of stmt. Add init to the offset from the
4302 base.
4303 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4304 (vect_update_init_of_dr): Likewise.
4305 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4306 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4307 removed fields.
4308 (new_loop_vec_info): Initialize new fields.
4309 (destroy_loop_vec_info): Free new fields.
4310 (vect_strip_conversion): Remove.
4311 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4312 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4313 datarefs. Add new field ddrs.
4314 Add macros for the new fields access.
4315 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4316 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4317 Remove their macros.
4318 * tree.h (highest_pow2_factor): Declare.
4319
4320 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4321
4322 * calls.c (store_one_arg): Check for sibling call MEM arguments
4323 from already clobbered incoming argument area.
4324
4325 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4326
4327 * c-common.c (check_missing_format_attribute): New.
4328 * c-common.h (check_missing_format_attribute): Likewise.
4329 * c-typeck.c (convert_for_assignment): Use it.
4330
4331 2005-07-24 Andreas Schwab <schwab@suse.de>
4332
4333 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4334 register use a word move. Correct operand of ext.w in 68000 code.
4335
4336 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4337
4338 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4339 variables as declarations, rather than definitions.
4340
4341 2005-07-24 Ira Rosen <irar@il.ibm.com>
4342
4343 PR tree-optimization/22526
4344 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4345 of the zero node.
4346
4347 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4348
4349 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4350 that C99 reserve for future use. Use it to define clog10,
4351 clog10f and clog10l.
4352
4353 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4354
4355 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4356 * configure.ac: Check for -Wmissing-format-attribute.
4357
4358 * configure: Regenerate.
4359
4360 2005-07-23 Richard Henderson <rth@redhat.com>
4361
4362 PR tree-optimization/22623
4363 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4364
4365 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4366
4367 PR target/22577
4368 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4369
4370 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4371
4372 * Makefile.in (C_TREE_H): Update dependencies.
4373 * c-tree.h: Include toplev.h.
4374 * diagnostic.h (diagnostic_set_info): Add format attribute.
4375 * rtl-error.c (diagnostic_for_asm): Likewise.
4376
4377 2005-07-23 Chao-ying Fu <fu@mips.com>
4378
4379 * config/mips/mips-dsp.md: New file.
4380 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4381 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4382 functions.
4383 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4384 MIPS_BUILTIN_BPOSGE32.
4385 (mips_expand_builtin_direct): Add one parameter to indicate that
4386 builtin functions need to return a value.
4387 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4388 functions.
4389 (mips_regno_to_class): Add classes for 12 new DSP registers.
4390 (mips_subword): Change to check four HI registers.
4391 (mips_output_move): Output move to and from 6 new DSP accumulators.
4392 (override_options): Make sure -mdsp and -mips16 are not used together.
4393 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4394 for machine modes.
4395 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4396 when !TARGET_DSP.
4397 (print_operand): Add 'q' for printing DSP accumulators.
4398 (mips_cannot_change_mode_class): Check ACC_REGS.
4399 (mips_secondary_reload_class): Check ACC_REGS.
4400 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4401 (mips_register_move_cost): Check ACC_REGS.
4402 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4403 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4404 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4405 (dsp_bdesc): New array.
4406 (bdesc_arrays): Add DSP builtin function table.
4407 (mips_prepare_builtin_arg): Check predicate again after
4408 copy_to_mode_reg.
4409 (mips_expand_builtin): Add one more parameter to
4410 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4411 MIPS_BUILTIN_BPOSGE32.
4412 (mips_init_builtins): Initialize new function types.
4413 (mips_expand_builtin_direct): Check if builtin functions need to
4414 return a value and pass operands properly.
4415 (mips_expand_builtin_bposge): New function.
4416 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4417 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4418 (FIRST_PSEUDO_REGISTER): Increase to 188.
4419 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4420 Update for 12 new DSP registers.
4421 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4422 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4423 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4424 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4425 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4426 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4427 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4428 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4429 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4430 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4431 (REGISTER_NAMES): Add names for 12 new DSP registers.
4432 * config/mips/mips.md: Include mips-dsp.md.
4433 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4434 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4435 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4436 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4437 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4438 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4439 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4440 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4441 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4442 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4443 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4444 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4445 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4446 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4447 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4448 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4449 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4450 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4451 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4452 (UNSPEC_RDDSP): New constants.
4453 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4454 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4455 A<-d alternative.
4456 * config/mips/mips.opt (-mdsp): New option.
4457 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4458 (reg_imm10_operand): New predicates.
4459 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4460 * doc/invoke.texi (-mdsp): Document new option.
4461
4462 2005-07-22 DJ Delorie <dj@redhat.com>
4463
4464 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4465 to warning calls.
4466 * tree-inline.c (inlinable_function_p): Likewise.
4467
4468 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4469
4470 PR debug/21828
4471 * toplev.c (check_global_declarations): Do not mark undefined
4472 variables as DECL_IGNORED_P.
4473 * varasm.c (first_global_object_name): GTY it.
4474 (weak_global_object_name): Likewise.
4475 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4476 a string to go into {weak,first}_global_object_name.
4477
4478 2005-07-22 DJ Delorie <dj@redhat.com>
4479
4480 * c-format.c (check_function_format): Change warning control
4481 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4482
4483 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4484
4485 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4486 &PTR->FLD a dereference of PTR.
4487 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4488 a potential dereference of PTR.
4489
4490 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4491
4492 PR rtl-optimization/20370
4493 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4494 call allocate_reg_info if necessary.
4495
4496 PR rtl-optimization/21848
4497 * calls.c (emit_library_call_value_1): For const functions, add
4498 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4499
4500 PR rtl-optimization/22445
4501 * cselib.c (target.h): Include.
4502 (rtx_equal_for_cselib_p): Allow commutative matches.
4503 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4504 Remove MODE parameter. Changed all callers.
4505
4506 PR rtl-optimization/22258
4507 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4508 New functions.
4509 (try_combine): Use likely_spilled_retval_p.
4510
4511 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4512
4513 * config.gcc: Add crx-elf support.
4514
4515 * doc/contrib.texi: Mention crx.
4516 * doc/extend.texi: Document crx extensions.
4517 * doc/install.texi: Document crx install.
4518 * doc/invoke.texi: Document crx options.
4519 * doc/md.texi: Document crx constraints.
4520
4521 * config/crx/crx-protos.h: New file.
4522 * config/crx/crx.c: New file.
4523 * config/crx/crx.h: New file.
4524 * config/crx/crx.md: New file.
4525 * config/crx/crx.opt: New file.
4526 * config/crx/t-crx: New file.
4527
4528 2005-07-22 Manfred Hollstein <mh@suse.com>
4529
4530 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4531 warnings.
4532 (int_add_graph_edge): Likewise.
4533 (collapse_nodes): Likewise.
4534 (process_unification_queue): Likewise.
4535
4536 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4537 Laurent GUERBY <laurent@guerby.net>
4538
4539 PR tree-optimization/22336
4540 * function.c (record_block_change): Check for
4541 cfun->ib_boundaries_block.
4542
4543 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4544
4545 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4546 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4547
4548 2005-07-21 DJ Delorie <dj@redhat.com>
4549
4550 * toplev.c (warn_deprecated_use): Add warning control to warning
4551 call.
4552 * c-typeck.c (parser_build_binary_op): Likewise.
4553 (c_finish_if_stmt): Likewise.
4554 * c-common.c (check_function_sentinel): Likewise.
4555 (check_nonnull_arg): Likewise.
4556
4557 2005-07-21 Richard Henderson <rth@redhat.com>
4558
4559 PR tree-opt/22504
4560 * tree-complex.c (complex_ssa_name_components): New.
4561 (cvc_lookup): Allow entry not found.
4562 (create_components): Remove.
4563 (create_one_component_var, get_component_var): New.
4564 (get_component_ssa_name, set_component_ssa_name): New.
4565 (extract_component): Use get_component_ssa_name.
4566 (update_complex_components): Use set_component_ssa_name.
4567 (update_complex_components_on_edge): Likewise.
4568 (update_phi_components): Create new PHI nodes directly, instead
4569 of adding insns to edges.
4570 (tree_lower_complex): Allocate and free complex_variable_components
4571 and complex_ssa_name_components here.
4572
4573 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4574
4575 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4576 revert to returning false.
4577
4578 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4579
4580 PR target/21149
4581 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4582
4583 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4584
4585 PR target/22576
4586 * config/i386/i386.md (cmpxf): Change operand constraints
4587 to "nonmemory_operand".
4588
4589 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4590
4591 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4592
4593 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4594
4595 PR middle-end/21180
4596 * fold-const.c (fold_build1): Add checksum for the operands.
4597 (fold_build2): Likewise.
4598 (fold_build3): Likewise.
4599
4600 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4601
4602 PR middle-end/19055
4603 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4604
4605 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4606
4607 * common.opt (-fforward-propagate): Committed by mistake,
4608 removed.
4609
4610 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4611
4612 * reg-stack.c: Fix comment typo(s).
4613 * tree-ssa-operands.c: Likewise.
4614 * tree-vectorizer: Likewise.
4615
4616 2005-07-21 Nick Clifton <nickc@redhat.com>
4617
4618 * config/sh/symbian.c: Replace C++ style line comments with C
4619 style line comments.
4620 (symbian_add_attribute): Do not use a ? operator on the LHS of
4621 an assignment.
4622 (sh_symbian_handle_dll_attribute): Change the type of the
4623 method vector to "VEC(tree,gc)*" and use vector accessor
4624 macros to walk over the elements.
4625 (symbian_export_vtable_and_rtti_p): Likewise.
4626 (symbian_class_needs_attribute_p): Likewise.
4627
4628 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4629
4630 PR target/22085
4631 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4632 initialize targetm.resolve_overloaded_builtin here.
4633 (altivec_expand_overloaded_builtin): Make it non-static.
4634 * config/rs6000/rs6000-protos.h
4635 (altivec_expand_overloaded_builtin): New prototype.
4636 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4637 targetm.resolve_overloaded_builtin here.
4638 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4639
4640 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4641 Zdenek Dvorak <dvorakz@suse.cz>
4642
4643 PR tree-optimization/19210
4644 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4645 New.
4646 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4647 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4648 rely on unproven assumptions.
4649 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4650 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4651 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4652 to number_of_iterations_exit.
4653 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4654 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4655 * tree-ssa-loop-niter.c (find_loop_niter,
4656 estimate_numbers_of_iterations_loop): Likewise.
4657 (number_of_iterations_exit): Honor the new options.
4658 * doc/invoke.texi (Wunsafe-loop-optimizations,
4659 funsafe-loop-optimizations): Document them.
4660
4661 2005-07-21 Richard Sandiford <richard@codesourcery.com>
4662
4663 PR rtl-optimization/22167
4664 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4665
4666 2005-07-20 Adam Nemet <anemet@lnxw.com>
4667
4668 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4669 __do_global_dtors_aux longcall.
4670
4671 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4672
4673 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4674 (old_special_pred_table): Don't reference
4675 SPECIAL_MODE_PREDICATES.
4676 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4677 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4678 * config/sh/predicates.h: Don't mention
4679 SPECIAL_MODE_PREDICATES.
4680 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4681 Remove.
4682
4683 2005-07-20 DJ Delorie <dj@redhat.com>
4684
4685 * config.gcc: Add m32c-elf support.
4686
4687 * doc/contrib.texi: Mention m32c.
4688 * doc/extend.texi: Document m32c extensions.
4689 * doc/install.texi: Mention m32c.
4690 * doc/invoke.texi: Document m32c options.
4691 * doc/md.texi: Document m32c constraints.
4692
4693 * config/m32c/addsub.md: New file.
4694 * config/m32c/bitops.md: New file.
4695 * config/m32c/cond.md: New file.
4696 * config/m32c/jump.md: New file.
4697 * config/m32c/m32c-lib1.S: New file.
4698 * config/m32c/m32c-lib2.c: New file.
4699 * config/m32c/m32c-modes.def: New file.
4700 * config/m32c/m32c-pragma.c: New file.
4701 * config/m32c/m32c-protos.h: New file.
4702 * config/m32c/m32c.abi: New file.
4703 * config/m32c/m32c.c: New file.
4704 * config/m32c/m32c.h: New file.
4705 * config/m32c/m32c.md: New file.
4706 * config/m32c/m32c.opt: New file.
4707 * config/m32c/minmax.md: New file.
4708 * config/m32c/mov.md: New file.
4709 * config/m32c/muldiv.md: New file.
4710 * config/m32c/predicates.md: New file.
4711 * config/m32c/prologue.md: New file.
4712 * config/m32c/shift.md: New file.
4713 * config/m32c/t-m32c: New file.
4714
4715 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4716
4717 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4718 (stack_protect_set, stack_protect_test): New expanders.
4719 (stack_protect_set_si, stack_protect_set_si_media,
4720 stack_protect_set_di_media, stack_protect_test_si,
4721 stack_protect_test_si_media, stack_protect_test_di_media):
4722 New insns.
4723
4724 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4725
4726 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4727
4728 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
4729
4730 * tree.h (tree_expr_nonzero_p): Export.
4731 * fold-const.c (tree_expr_nonzero_p): Likewise.
4732 Return true for CALL_EXPRs that are alloca calls.
4733 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4734 against zero.
4735 * tree-flow.h (expr_computes_nonzero): Remove.
4736 * tree-vrp.c (expr_computes_nonzero): Remove.
4737 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4738 (extract_range_from_unary_expr): Likewise.
4739 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4740 tree_expr_nonzero_p.
4741
4742 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4743
4744 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4745 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4746 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4747 All callers changed.
4748 (frame_related_constant_load): New arg "related" which controls
4749 setting of RTX_FRAME_RELATED_P. All callers changed.
4750 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4751 (bfin_expand_prologue): Add stack limit checking.
4752 * config/bfin/bfin.md (trapifcc): New pattern.
4753
4754 * config/bfin/bfin.c: Include "langhooks.h".
4755 (def_builtin): Go through lang_hooks to call builtin_function.
4756
4757 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4758 * config/bfin/predicates.md (symbol_ref_operand): New.
4759 (call_insn_operand): Delete. All callers changed to use
4760 register_no_elim_operand.
4761 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4762 call_cookie field.
4763 (function_arg): Use it to generate the call's operand 2.
4764 (bfin_longcall_p): New function.
4765 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4766 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4767 determine if the address needs to be in a REG.
4768 (bfin_handle_longcall_attribute): New function.
4769 (bfin_attribute_table): Add "longcall" and "shortcall".
4770 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4771 (CUMULATIVE_ARGS): New member call_cookie.
4772 (PREDICATE_CODES): Add symbol_ref_operand.
4773 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4774 extra USE to the pattern.
4775 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4776 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4777 sibcall_value_insn; now the new patterns handle direct calls and the
4778 old ones indirect calls.
4779 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4780
4781 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4782
4783 * doc/trouble.texi: Update section on handling of empty loops.
4784
4785 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
4786
4787 * config.gcc: Remove support for sparc-*-openbsd*,
4788 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4789 ns32k-*-netbsd*.
4790 * config.host: Remove support for i860-*-sysv4* as a host.
4791 * config/i860/*, config/ip2k/*, config/ns32k/*,
4792 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4793 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4794 mention obsolete ports.
4795
4796 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4797
4798 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4799 soft frame pointer.
4800 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4801 of frame_pointer_rtx.
4802 (sh_expand_epilogue): Likewise.
4803 (sh_set_return_address): Likewise.
4804 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4805 instead of FRAME_POINTER_REGNUM if needed. Add elimination
4806 offsets from FRAME_POINTER_REGNUM.
4807 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4808 (sh_register_names): Add initializer for sfp.
4809 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4810 (VALID_REGISTER_P): Likewise.
4811 (FIRST_PSEUDO_REGISTER): Update.
4812 (DWARF_FRAME_REGISTERS): Define.
4813 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4814 (HARD_FRAME_POINTER_REGNUM): Define.
4815 (FRAME_POINTER_REGNUM): Redefine.
4816 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4817 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
4818 from FRAME_POINTER_REGNUM.
4819 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4820 FRAME_POINTER_REGNUM.
4821 (REG_CLASS_CONTENTS): Add sfp.
4822 (REG_ALLOC_ORDER): Likewise.
4823 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
4824 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4825 of frame_pointer_rtx.
4826 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4827
4828 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
4829
4830 * fold-const.c (tree_expr_nonnegative_p): Only return true for
4831 ABS_EXPR when flag_wrapv is false because of INT_MIN.
4832 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4833 of an ABS_EXPR.
4834 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4835 ABS_EXPR<x>.
4836
4837 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
4838
4839 Make CONSTRUCTOR use VEC to store initializers.
4840 * c-common.c (complete_array_type): Update to cope with VEC in
4841 CONSTRUCTOR_ELTS.
4842 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4843 (pp_c_constructor_elts): New function.
4844 * c-pretty-print.h (pp_c_constructor_elts): Declare.
4845 * c-typeck.c (build_function_call, build_c_cast, digest_init,
4846 struct constructor_stack, struct initializer_stack,
4847 constructor_elements, push_init_level, pop_init_level,
4848 add_pending_init, find_init_member, output_init_element): Update to
4849 cope with VEC in CONSTRUCTOR_ELTS.
4850 * coverage.c (build_fn_info_value, build_ctr_info_value,
4851 build_gcov_info): Likewise.
4852 * expr.c (categorize_ctor_elements_1, store_constructor,
4853 expand_expr_real_1): Likewise.
4854 * fold-const.c (fold_ternary): Likewise.
4855 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4856 gimplify_init_constructor, gimplify_expr): Likewise.
4857 * tree-dump.c (dequeue_and_dump): Likewise.
4858 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4859 node.
4860 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4861 CONSTRUCTOR_ELTS.
4862 * tree-sra.c (generate_element_init_1): Likewise.
4863 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4864 * tree-ssa-operands.c (get_expr_operands): Likewise.
4865 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4866 * tree-vect-transform.c (vect_get_vec_def_for_operand):
4867 (get_initial_def_for_reduction): Likewise.
4868 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4869 value handle in annotations.
4870 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4871 tree_node_structure): Add support for constr_kind.
4872 (build_vector_from_ctor, build_constructor_single,
4873 build_constructor_from_list): New functions.
4874 (build_constructor): Update to take a VEC instead of a TREE_LIST.
4875 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4876 Update to cope with VEC in CONSTRUCTOR_ELTS.
4877 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4878 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4879 CONSTRUCTOR_APPEND_ELT): New macros.
4880 (struct constructor_elt, struct tree_constructor): New data types.
4881 (union tree_node): Add tree_constructor field.
4882 * treestruct.def: Define TS_CONSTRUCTOR.
4883 * varasm.c (const_hash_1, compare_constant, copy_constant,
4884 compute_reloc_for_constant, output_addressed_constants,
4885 initializer_constant_valid_p, output_constant,
4886 array_size_for_constructor, output_constructor): Update to cope with
4887 VEC in CONSTRUCTOR_ELTS.
4888 * vec.h (VEC_empty, VEC_copy): New macros.
4889
4890 2005-07-19 Devang Patel <dpatel@apple.com>
4891
4892 * dbxout.c (dbxout_type): Check Objective-C++ lang.
4893
4894 2005-07-19 Richard Henderson <rth@redhat.com>
4895
4896 PR tree-opt/22278
4897 * gimplify.c (gimplify_expr): Use main variant type for the temp
4898 destination for a discarded volatile read.
4899 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4900 casts between non-void types that change volatility.
4901
4902 2005-07-15 DJ Delorie <dj@redhat.com>
4903
4904 * toplev.h: Add comment about the first parameter for warning().
4905 * errors.h: Likewise.
4906
4907 * c.opt (Wpragmas): New.
4908 * doc/invoke.texi: Document it.
4909
4910 * function.c (do_warn_unused_parameter): Add warning control to
4911 warning call.
4912 * c-decl.c (warn_if_shadowing): Likewise.
4913 * c-lex.c (cb_def_pragma): Likewise.
4914 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4915 (pop_alignment): Likewise.
4916 (handle_pragma_pack): Likewise.
4917 (apply_pragma_weak): Likewise.
4918 (handle_pragma_weak): Likewise.
4919 (handle_pragma_redefine_extname): Likewise.
4920 (add_to_renaming_pragma_list): Likewise.
4921 (handle_pragma_extern_prefix): Likewise.
4922 (maybe_apply_renaming_pragma): Likewise.
4923 (handle_pragma_visibility): Likewise.
4924
4925 * config/c4x/c4x-c.c (BAD): Likewise.
4926 (c4x_parse_pragma): Likewise.
4927 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4928 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4929 (rs6000_pragma_longcall): Likewise.
4930 * config/v850/v850-c.c (pop_data_area): Likewise.
4931 (ghs_pragma_section): Likewise.
4932 (ghs_pragma_section): Likewise.
4933 (ghs_pragma_interrupt): Likewise.
4934 (ghs_pragma_starttda): Likewise.
4935 (ghs_pragma_startsda): Likewise.
4936 (ghs_pragma_startzda): Likewise.
4937 (ghs_pragma_endtda): Likewise.
4938 (ghs_pragma_endsda): Likewise.
4939 (ghs_pragma_endzda): Likewise.
4940
4941 2005-07-19 Danny Berlin <dberlin@dberlin.org>
4942 Kenneth Zadeck <zadeck@naturalbridge.com>
4943
4944 * Makefile.in: Removed tree-promote-statics.c
4945 * tree-promote-statics.c: Removed.
4946 * common.opt: Removed flag-promote-statics.
4947 * opts.c: Ditto.
4948 * passes.c: Removed tree-promote-statics pass.
4949 * tree-pass.h: Ditto.
4950 * timevar.def: Removed TV_PROMOTE_STATICS.
4951
4952
4953 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
4954
4955 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4956 and *-*-freebsd9.
4957 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4958
4959 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4960
4961 PR c/22476
4962 * c-common.c (check_function_arguments): Call
4963 'check_function_format' if either -Wformat or
4964 -Wmissing-format-attribute are specified.
4965 * c-format.c (check_function_format): Check -Wformat before
4966 calling 'check_format_info'.
4967 * c-opts.c (c_common_post_options): Don't warn for
4968 -Wmissing-format-attribute without -Wformat.
4969 * c-typeck.c (convert_for_assignment): Detect additional cases for
4970 -Wmissing-format-attribute.
4971 * doc/invoke.texi (-Wmissing-format-attribute): Document new
4972 behavior.
4973
4974 2005-07-19 Richard Guenther <rguenther@suse.de>
4975
4976 * config/i386/i386.md (lrint<mode>2): Use temporary
4977 instead of clobbering non-existent memory.
4978
4979 2005-07-19 Nick Clifton <nickc@redhat.com>
4980
4981 * config/avr/avr.c (legitimate_address_p): Fix debugging print
4982 statement to avoid displaying ASCII control characters.
4983
4984 2005-07-19 Ben Elliston <bje@au.ibm.com>
4985
4986 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4987 * cfganal.c (find_edge_index): Ditto.
4988 * combine.c (combine_instructions): Ditto.
4989 * ddg.c (create_scc): Ditto.
4990 (find_successors): Ditto.
4991 (find_predecessors): Ditto.
4992 (find_nodes_on_paths): Ditto.
4993 (longest_simple_path): Ditto.
4994 * flow.c (update_life_info): Ditto.
4995 (count_or_remove_death_notes): Ditto.
4996 (clear_log_links): Ditto.
4997 * modulo-sched.c (generate_reg_moves): Ditto.
4998 (find_max_asap): Ditto.
4999 (find_max_hv_min_mob): Ditto.
5000 (find_max_dv_min_mob): Ditto.
5001 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5002 * sched-rgn.c (extract_edgelst): Ditto.
5003 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5004 (dump_update_ssa): Ditto.
5005 (ssa_names_to_replace) Ditto.
5006 (switch_virtuals_to_full_rewrite): Ditto.
5007 (update_ssa): Ditto.
5008 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5009
5010 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5011
5012 Fix PR tree-optimization/22483
5013
5014 * tree-complex.c (create_components): Use
5015 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5016 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5017 * tree-flow.h (safe_referenced_var_iterator): New structure.
5018 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5019 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5020 safe_referenced_var iterator.
5021 (add_type_alias): Ditto.
5022
5023 2005-07-19 Steven Bosscher <stevenb@suse.de>
5024
5025 * loop-init.c (rest_of_handle_loop2): Remove.
5026 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5027 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5028 (pass_rtl_loop_init, pass_rtl_loop_done,
5029 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5030 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5031 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5032 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5033 pass_tree_loop_done, and pass_tree_unswitch.
5034 (gate_loop): Rename to gate_tree_loop.
5035 * passes.c (init_optimization_passes): Update for renamed tree
5036 loop passes. Add the new loop2 passes as subpasses of loop2.
5037 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5038 Update for the renamed tree loop passes.
5039
5040 2005-07-18 Ian Lance Taylor <ian@airs.com>
5041
5042 PR middle-end/22057
5043 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5044 blocks when optimizing.
5045
5046 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5047
5048 * common.opt (frename-registers): Initialize to 2.
5049 (fweb): Ditto.
5050 (fgcse-after-reload): Ditto.
5051 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5052 (process_options): Only change flag_web, flag_rename_registers,
5053 and flag_rerun_cse_after_loop if not explicitly set by user.
5054
5055 2005-07-18 Jan Beulich <jbeulich@novell.com>
5056
5057 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5058 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5059 in 64-bit mode the same as DImode in 32-bit mode.
5060 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5061 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5062 mode. Add new mode parameter.
5063 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5064 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5065 x86_64_shift_adj): New expanders.
5066 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5067 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5068 insns.
5069 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5070 DImode shift splitters.
5071 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5072 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5073 mode parameter.
5074
5075 2005-07-18 Jan Beulich <jbeulich@novell.com>
5076
5077 * i386.md (movdi_extzv_1): New.
5078 (zero_extendhidi2): Combine alternatives and never force use of
5079 REX64 prefix.
5080 (zero_extendqidi2): Likewise. Don't restrict input selection.
5081
5082 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5083
5084 Fix PR tree-optimization/22531
5085 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5086 moment.
5087
5088 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5089
5090 * tree-promote-statics.c (pass_promote_statics): Change dump file
5091 name.
5092
5093 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5094
5095 * tree-optimize.c (init_tree_optimization_passes): Add
5096 pass_eliminate_useless_stores pass.
5097 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5098 * tree-ssa-pre.c (is_copy_stmt): New function.
5099 (follow_copies_till_vuse): Ditto.
5100 (do_eustores): Ditto.
5101 (gate_eustores): Ditto.
5102
5103 2005-07-16 Richard Henderson <rth@redhat.com>
5104
5105 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5106
5107 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5108 Kenneth Zadeck <zadeck@naturalbridge.com>
5109
5110 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5111 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5112 ipa-type-escape.h, tree-promote-statics.c
5113 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5114 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5115 tree-promote-statics.c: new files.
5116 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5117 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5118 int nonlocal_set_p, mark_constant_function): Deleted.
5119 (rest_of_handle_cfg): Removed call to mark_constant_function.
5120 (nonoverlapping_component_refs_p): Added calls to support
5121 type based aliasing.
5122 * tree-ssa-alias.c (may_alias_p,
5123 compute_flow_insensitive_aliasing): Ditto.
5124 * calls.c (flags_from_decl_or_type): Removed reference to
5125 cgraph_rtl_info.
5126 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5127 too many arguments. This is necessary for Spec 2000.
5128 * cgraph.h (const_function, pure_function): Removed.
5129 * common.opt: Added "fipa-pure-const", "fipa-reference",
5130 "fipa-type-escape", and "ftree-promote-static".
5131 * opts.c: Ditto.
5132 * passes.c: Added ipa and tree-promote-statics passes.
5133 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5134 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5135 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5136 * tree-flow.h: Added exposed sra calls and addition of
5137 reference_vars_info field for FUNCTION_DECLS.
5138 * tree-pass.h: Added passes.
5139 * tree-sra.c: (sra_init_cache): New function.
5140 (sra_insert_before, sra_insert_after) Made public.
5141 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5142 and made public.
5143 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5144 aliasing. (may_alias_p): Added code to use type escape analysis to
5145 improve alias sets.
5146 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5147 code to prune clobbers of static variables based on information
5148 produced in ipa-reference pass. Changed call clobbering so that
5149 statics are not marked as clobbered if the call does not clobber
5150 them.
5151
5152 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5153
5154 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5155 too.
5156
5157 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5158
5159 * doc/install.texi (*-*-solaris2*): Document recommended version
5160 of GNU binutils and mention GNU linker problem on Solaris 10.
5161
5162 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5163
5164 PR c/22421
5165 * c-decl.c (c_build_bitfield_integer_type): New function.
5166 (finish_struct): Call it.
5167 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5168
5169 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5170
5171 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5172 before returning.
5173
5174 2005-07-16 Jan Hubicka <jh@suse.cz>
5175
5176 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5177 (scale_bbs_frequencies_int): Watch roundoff errors.
5178 * predict.c (return_prediction): Initialize return_stmt.
5179
5180 2005-07-16 Jan Hubicka <jh@suse.cz>
5181
5182 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5183 after RTL profiling.
5184
5185 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5186
5187 PR middle-end/22398
5188 * fold-const.c (build_range_check): Convert high/low to etype
5189 if we are only comparing against exp.
5190
5191 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5192
5193 Fix PR tree-optimization/22376
5194 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5195 special var here.
5196 (need_to_solve): New function.
5197 (compute_points_to_sets): Use it.
5198
5199 2005-07-15 Jan Hubicka <jh@suse.cz>
5200
5201 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5202 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5203
5204 2005-07-15 Richard Guenther <rguenther@suse.de>
5205
5206 * c-common.c (handle_flatten_attribute): New function.
5207 Add flatten function attribute.
5208 * doc/extend.texi: Document flatten function attribute.
5209 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5210 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5211 New functions.
5212 (cgraph_decide_inlining): Handle functions with flatten
5213 attribute.
5214
5215 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5216
5217 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5218 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5219 UNSPEC_XCHG, UNSPEC_AND): New.
5220 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5221 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5222 * config/rs6000/sync.md (FETCHOP): New code macro.
5223 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5224 New code attrs.
5225 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5226 (sync_compare_and_swap<mode>): Same.
5227 (sync_lock_test_and_set<mode>): Same.
5228 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5229 for QImode and HImode, and not PPC405.
5230 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5231 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5232 (sync_<fetchop>{si,di}_internal): New.
5233 (sync_nand{si,di}_internal): New.
5234 (sync_old_<fetchop>{si,di}_internal): New.
5235 (sync_old_nand{si,di}_internal): New
5236 (sync_new_<fetchop>{si,di}_internal): New.
5237 (sync_new_nand{si,di}_internal): New.
5238 (atomic_and{si,di}): New.
5239 (sync_new_nand{si,di}_internal): New.
5240 (atomic_and{si,di}): New.
5241 (sync_add<mode>_internal): Delete.
5242 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5243 (sync_sub<mode>_internal): Delte.
5244 (sync_subshort_internal): New.
5245 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5246 (sync_anddi_internal): Delete.
5247 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5248 (sync_booldi_internal): Delete.
5249 (sync_boolc<mode>_internal): Delete.
5250 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5251 (sync_boolc<mode>_internal2): Delete.
5252 (sync_boolcc<mode>_internal): Delete.
5253 (isync, lwsync): Use unspec instead of unspec_volatile.
5254 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5255 Revert UNSPEC_VOLATILE.
5256 (rs6000_split_atomic_op): New.
5257 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5258
5259 2005-07-14 Eric Christopher <echristo@redhat.com>
5260
5261 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5262 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5263
5264 2005-07-14 Eric Christopher <echristo@redhat.com>
5265
5266 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5267
5268 2005-07-14 Steven Bosscher <stevenb@suse.de>
5269
5270 PR tree-optimization/22230
5271 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5272 the computation of the four cross productions for "range op range".
5273
5274 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5275 Ulrich Weigand <uweigand@de.ibm.com>
5276
5277 PR target/20126
5278 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5279 in some insn.
5280
5281 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5282
5283 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5284
5285 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5286
5287 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5288
5289 2005-07-14 Richard Guenther <rguenther@suse.de>
5290
5291 PR middle-end/22347
5292 * config/i386/i386-protos.h (ix86_function_value): Change
5293 prototype to match new target hook.
5294 * config/i386/i386.c (ix86_value_regno): Change prototype
5295 to take extra type argument.
5296 (TARGET_FUNCTION_VALUE): Define.
5297 (ix86_function_ok_for_sibcall): Pass extra argument to
5298 ix86_value_regno, check return slot rtx for exact match.
5299 (ix86_function_value): Take extra parameter. Dispatch to
5300 ix86_value_regno with fndecl/fntype as provided.
5301 (ix86_value_regno): Handle extra type argument.
5302 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5303
5304 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5305 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5306 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5307 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5308 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5309
5310 2005-07-14 Richard Guenther <rguenther@suse.de>
5311
5312 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5313 * calls.c (expand_call): Pass fntype to hard_function_value.
5314 (emit_library_call_value_1): Likewise.
5315 * explow.c: Include target.h.
5316 (hard_function_value): Take extra argument, the fntype.
5317 Use new target hook for function_value.
5318 * expr.h (hard_function_value): Change prototype.
5319 * function.c (aggregate_value_p): Pass 0 as fntype to
5320 hard_function_value.
5321 (assign_parms): Use new target hook for function_value.
5322 Pass 0 as fntype to hard_function_value.
5323 (expand_function_end): Likewise.
5324 * reg-stack.c: Include target.h.
5325 (stack_result): Use new target hook for function_value.
5326 * target-def.h: New target hook function_value.
5327 * target.h: Likewise.
5328 * targhooks.c (default_function_value): New function.
5329 * targhooks.h (default_function_value): Declare.
5330
5331 2005-07-13 Ian Lance Taylor <ian@airs.com>
5332
5333 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5334
5335 2005-07-14 Jan Hubicka <jh@suse.cz>
5336
5337 * tree-dfa.c (dump_variable): Use default_def function.
5338 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5339 * tree-ssa.c (verify_use): Likewise.
5340 * tree-ssanames.c (release_ssa_name): Likewise.
5341 * tree-tailcall.c (eliminate_tail_call): Likewise.
5342 (tree_optimize_tail_calls_1): Likewise.
5343 * tree-vrp.c (get_value_range): Likewise.
5344
5345 2005-07-14 Ben Elliston <bje@au.ibm.com>
5346
5347 * gcc.c (main): Compare language[0] with '*' when iterating over
5348 the infiles.
5349
5350 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5351
5352 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5353 "s390_emit_compare". Add handling of CCZ1mode.
5354 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5355 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5356 checking.
5357 (s390_branch_condition_mask): Add CCZ1mode handling.
5358 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5359 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5360 Use CCZ1mode instead of CCZmode.
5361 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5362
5363 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5364
5365 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5366 pattern.
5367 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5368
5369 2005-07-13 Eric Christopher <echristo@redhat.com>
5370
5371 * config/mips/mips.c (mips_canonicalize_comparison): New.
5372 (mips_emit_int_relational): Use.
5373
5374 2005-07-13 Eric Christopher <echristo@redhat.com>
5375
5376 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5377 static extra parts.
5378 * config/s390/s390.md: Include tpf.md. Move tpf specific
5379 patterns...
5380 * config/s390/tpf.md: To here.
5381 * config/s390/s390.opt: Move tpf specific options...
5382 * config/s390/tpf.opt: to here. Add mmain option.
5383 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5384 * config/s390/tpf.h: Rewrite.
5385
5386 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5387
5388 * doc/tm.texi: Remove @xref{Cross-profiling}.
5389
5390 2005-07-13 Jeff Law <law@redhat.com>
5391
5392 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5393 expressions, test their _DECL operands for pointer equality rather
5394 than using operand_equal_p.
5395
5396 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5397
5398 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5399 (TARGET_POSIX_IO): This.
5400 * config/darwin.h: Likewise.
5401 * config/freebsd.h: Likewise.
5402 * config/linux.h: Likewise.
5403 * config/lynx.h: Likewise.
5404 * config/netbsd.h: Likewise.
5405 * config/rs6000/linux64.h: Likewise.
5406 * config/rs6000/linux.h: Likewise.
5407 * config/s390/tpf.h: Likewise.
5408 * config/sh/embed-elf.h: Likewise.
5409 * config/sparc/linux64.h: Likewise.
5410 * config/sparc/linux.h: Likewise.
5411 * config/svr4.h: Likewise.
5412 * gcov-io.h: Likewise.
5413
5414 * doc/tm.texi: Updated.
5415
5416 * libgcov.c (create_file_directory): Defined only if
5417 TARGET_POSIX_IO is defined.
5418 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5419 is defined.
5420
5421 2005-07-13 Jan Hubicka <jh@suse.cz>
5422
5423 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5424
5425 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5426
5427 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5428 structure as argument.
5429
5430 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5431
5432 PR tree-optimization/21921
5433 * tree-iterator.c (tsi_link_before): Support the case when
5434 tsi_end_p (tsi) == true.
5435
5436 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5437
5438 PR tree-optimization/22442
5439 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5440 correctly.
5441
5442 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5443
5444 PR rtl-optimization/20376
5445 * toplev.c (process_options): Enable -fweb and -frename-registers when
5446 unrolling.
5447 * doc/invoke.texi: Update the information about when -fweb and
5448 -frename-registers are enabled.
5449
5450 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5451
5452 PR tree-opt/21840
5453 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5454 if *rhs_p is not a SSA_NAME.
5455
5456 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5457
5458 Fix PR tree-optimization/22422
5459 * tree-ssa-structalias.c (struct variable_info): Add flag for
5460 special vars.
5461 (get_varinfo): Now a static function.
5462 (new_varinfo): init has_union and is_special_var to false.
5463 (solution_set_add): Check has_union.
5464 (do_da_constraint): Move temporary variable so it gets reset
5465 properly.
5466 Also check for special variable.
5467 (do_ds_constraint): Ditto.
5468 (do_sd_constraint): Ditto.
5469 (do_structure_copy): Check for special variable.
5470 (find_func_aliases): Ditto.
5471 (init_base_vars): Set special vars properly.
5472
5473 2005-07-13 Jan Hubicka <jh@suse.cz>
5474
5475 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5476 do unit-at-a-time.
5477
5478 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5479 (get_expr_operands): Fix thinko wrt flags and subvars.
5480
5481 PR tree-optimize/22379
5482 * tree-inline.c (expand_call_inline): Do not output sorry in early
5483 inlining.
5484
5485 2005-07-12 Dale Johannesen <dalej@apple.com>
5486
5487 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5488
5489 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5490
5491 PR bootstrap/21704
5492 * host-linux.h: Include limits.h.
5493
5494 2005-07-12 Dale Johannesen <dalej@apple.com>
5495
5496 * expr.c (compress_float_constant): Add cost check.
5497 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5498
5499 2005-07-12 Dale Johannesen <dalej@apple.com>
5500
5501 * gcc.target/i386/compress-float-sse.c: New.
5502 * gcc.target/i386/compress-float-sse-pic.c: New.
5503 * gcc.target/i386/compress-float-387.c: New.
5504 * gcc.target/i386/compress-float-387-pic.c: New.
5505 * gcc.dg/compress-float-ppc.c: New.
5506 * gcc.dg/compress-float-ppc-pic.c: New.
5507
5508 2005-07-12 Eric Christopher <echristo@redhat.com>
5509
5510 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5511 static extra parts.
5512 * config/s390/s390.md: Include tpf.md. Move tpf specific
5513 patterns...
5514 * config/s390/tpf.md: To here.
5515 * config/s390/s390.opt: Move tpf specific options...
5516 * config/s390/tpf.opt: to here. Add mmain option.
5517 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5518 * config/s390/tpf.h: Rewrite.
5519
5520 2005-07-12 Eric Christopher <echristo@redhat.com>
5521
5522 * gcc.c (struct infile): Update comment for language.
5523 (main): Rewrite input file resetting code.
5524
5525 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5526
5527 PR tree-opt/22335
5528 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5529 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5530 (lookup_avail_expr): Use constant_boolean_node instead
5531 of boolean_false_node/boolean_true_node.
5532
5533 2005-07-12 Ben Elliston <bje@au.ibm.com>
5534
5535 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5536 and use it when printing num_edges.
5537
5538 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5539
5540 * doc/extend.texi (Blackfin Built-in Functions): New section.
5541 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5542 @opindex.
5543
5544 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5545
5546 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5547 s/cmpstrsi/cmpstrnsi
5548 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5549 'cmpstrnsi'.
5550 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5551 (init_optabs): Initialize cmpstrn_optab.
5552 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5553 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5554 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5555 * config/i386/i386.md: s/cmpstr/cmpstrn
5556 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5557 * doc/md.texi: Update documentation.
5558
5559 2005-07-11 Richard Henderson <rth@redhat.com>
5560
5561 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5562 build_va_arg_indirect_ref.
5563 (alpha_gimplify_va_arg): Likewise.
5564 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5565 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5566 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5567 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5568 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5569 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5570 Likewise.
5571 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5572
5573 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5574
5575 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5576 * passes.c (init_optimization_passes): Add pass_empty_loop.
5577 * tree-pass.h (pass_empty_loop): Declare.
5578 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5579 try_remove_empty_loop, remove_empty_loops): New functions.
5580 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5581 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5582
5583 2005-07-12 Peter Barada <peter@the-baradas.com>
5584
5585 PR middle-end/16719
5586 PR middle-end/18421
5587 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5588 in address registers.
5589 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5590 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5591 alternative of addsi3_5200.
5592
5593 2005-07-11 Ian Lance Taylor <ian@airs.com>
5594
5595 * config/mips/mips.md (ffs<mode>2): Remove.
5596
5597 2005-07-11 Ian Lance Taylor <ian@airs.com>
5598
5599 * doc/tree-ssa.texi (Cleanups): Improve description of
5600 TRY_FINALLY_EXPR.
5601 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5602
5603 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5604
5605 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5606 * tree.h (DECL_ARGUMENT_FLD): New macro.
5607
5608 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5609
5610 Fix PR tree-optimization/22404
5611
5612 * tree-ssa-structalias.c (create_variable_info_for): Use
5613 correct offset.
5614
5615 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5616
5617 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5618 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5619 for second comparison operand.
5620 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5621
5622 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5623 (define_insn_reservation "alu"): Likewise.
5624 (csync, ssync): Now of type sync.
5625 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5626 -mcsync-anomaly -mspecld-anomaly.
5627 * config/bfin/bfin.opt (mcsync): Remove.
5628 (mcsync-anomaly, mspecld-anomaly): Add.
5629 * config/bfin/bfin.c: Include "insn-codes.h".
5630 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5631 (TARGET_DEFAULT_TARGET_FLAGS): New.
5632 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5633
5634 2005-07-11 Steven Bosscher <stevenb@suse.de>
5635
5636 * basic-block.h: Give the BB flags enum a name, bb_flags.
5637 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5638 * cfgcleanup.c (enum bb_flags): Remove here.
5639 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5640 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5641 (update_forwarder_flag): Likewise.
5642 (thread_jump): Likewise.
5643 (try_forward_edges): Likewise.
5644 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
5645 forwarder flags. Don't clear bb->aux for all basic blocks. Only
5646 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5647
5648 2005-07-11 Richard Guenther <rguenther@suse.de>
5649
5650 * config/i386/i386.opt: New target option -msseregparm.
5651 * config/i386/i386.c (override_options): Error out for
5652 -msseregparm but no SSE support.
5653 (ix86_function_sseregparm): Check for global sseregparm.
5654 * doc/invoke.texi: Document -msseregparm.
5655
5656 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5657
5658 * config.gcc (m32r-*-linux*): Use the default extra_parts.
5659 (m32rle-*-linux*): Ditto.
5660
5661 2005-07-11 Jakub Jelinek <jakub@redhat.com>
5662
5663 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5664 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5665 bytes.
5666
5667 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5668
5669 PR middle-end/22239
5670 PR target/20126
5671 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5672 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5673
5674 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
5675
5676 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5677 (varmap): Heapify varmap.
5678 (constraints): Heapify constraints.
5679 (struct constraint_graph): Heapify succs and preds.
5680 (constraint_vec_find): Update for heapification.
5681 (constraint_set_union): Ditto.
5682 (insert_into_complex): Ditto.
5683 (constraint_edge_vec_find): Ditto.
5684 (erase_graph_self_edge): Ditto.
5685 (add_graph_edge): Ditto.
5686 (get_graph_weights): Ditto.
5687 (merge_graph_nodes): Ditto.
5688 (build_constraint_graph): Ditto.
5689 (topo_visit): Ditto.
5690 (solve_graph): Ditto.
5691 (create_variable_info_for): Ditto.
5692 (init_base_vars): Ditto.
5693 (delete_points_to_sets): Free graph, varmap, and complex constraints.
5694 (condese_varmap_nodes): Free complex vector.
5695 (clear_edges_for_node): Clear succs and preds vector.
5696
5697 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5698
5699 * tree-ssa-structalias.c (update_alias_info): Change counting of
5700 references to not include vdefs.
5701
5702 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5703
5704 * tree-ssa-alias.c (free_used_part_map): Add missing free.
5705 (up_insert): Ditto.
5706
5707 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5708
5709 * pa.c (pa_commutative_p): Make PLUS commutative when
5710 TARGET_NO_SPACE_REGS is true.
5711
5712 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5713
5714 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5715 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5716 * tree-dfa.c (dump_subvars_for): New.
5717 (debug_subvars_for): New.
5718 (dump_variable): Show subvariables if VAR has them.
5719 * tree-flow-inline.h (get_subvar_at): New.
5720 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5721 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5722 Update all users.
5723 (struct subvar): Change fields offset and size to unsigned
5724 HOST_WIDE_INT.
5725 (dump_subvars_for): Declare.
5726 (debug_subvars_for): Declare.
5727 (get_subvar_at): Declare.
5728 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5729 to unsigned HOST_WIDE_INT *.
5730 (overlap_subvar): Likewise.
5731 * tree-gimple.c (is_gimple_reg): Always return false for
5732 SFTs and memory tags.
5733 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5734 Update all callers.
5735 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5736 (compute_may_aliases): Call compute_points_to_sets.
5737 (collect_points_to_info_for): Remove.
5738 (compute_points_to_and_addr_escape): Remove.
5739 (delete_alias_info): Call delete_points_to_sets.
5740 (compute_flow_sensitive_aliasing): If the call to
5741 find_what_p_points_to returns false, call set_pt_anything.
5742 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5743 (set_pt_anything): Clear pi->pt_vars.
5744 (set_pt_malloc): Remove.
5745 (merge_pointed_to_info): Remove.
5746 (add_pointed_to_expr): Remove.
5747 (add_pointed_to_var): Remove.
5748 (collect_points_to_info_r): Remove.
5749 (is_escape_site): Make extern.
5750 (create_sft): New.
5751 (create_overlap_variables_for): Call it.
5752 * tree-ssa-copy.c (merge_alias_info): Never merge
5753 flow-sensitive alias information.
5754 * tree-ssa-operands.c (get_expr_operands): Adjust variables
5755 offset and size to be unsigned HOST_WIDE_INT.
5756 (add_to_addressable_set): Rename from note_addressable.
5757 Set TREE_ADDRESSABLE as the variables are added to the set.
5758 Update all users.
5759 (add_stmt_operand): Do not try to micro-optimize unmodifiable
5760 operands into VUSEs when adding V_MAY_DEFs for members in an
5761 alias set.
5762 * tree-ssa-operands.h (add_to_addressable_set): Declare.
5763 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5764 (struct variable_info): Add bitfield is_heap_var.
5765 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5766 (new_var_info): Initialize is_heap_var.
5767 (get_constraint_for): Add HEAP variables to the symbol table.
5768 Mark them with is_heap_var.
5769 (update_alias_info): New. Taken mostly from the old
5770 compute_points_to_and_addr_escape.
5771 (handle_ptr_arith): New.
5772 (find_func_aliases): Call update_alias_info.
5773 Call handle_ptr_info for tcc_binary expressions.
5774 Call mark_stmt_modified.
5775 (create_variable_info_for): If DECL has subvars, do not create
5776 variables for its subvars. Always add all the fields.
5777 (set_uids_in_ptset): If the solution includes ANYOFFSET and
5778 SFTs, then add all the SFTs of the structure.
5779 If VI->DECL is an aggregate with subvariables, add the SFT at
5780 VI->OFFSET.
5781 (find_what_p_points_to): If VI is an artificial variable,
5782 translate to bitfields in SSA_NAME_PTR_INFO.
5783 If the solution is empty, set pi->pt_vars to NULL
5784 (init_base_vars): Create ANYOFFSET.
5785 (compute_points_to_sets): Rename from create_alias_vars.
5786 Make extern.
5787 (pass_build_pta): Remove.
5788 (delete_points_to_sets): Rename from delete_alias_vars.
5789 (pass_del_pta): Remove.
5790 * tree-ssa-structalias.h (struct alias_info): Move from
5791 tree-ssa-alias.h.
5792 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5793 NUM_REFERENCES_SET): Likewise.
5794 (compute_points_to_sets, delete_points_to_sets): Declare.
5795
5796 2005-07-09 Richard Henderson <rth@redhat.com>
5797
5798 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5799 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5800 alpha_split_lock_test_and_set_12): New functions.
5801 * config/alpha/alpha-protos.h: Update.
5802 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5803 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5804 * config/alpha/sync.md (I12MODE): New.
5805 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5806 (sync_<fetchop_name><I48MODE>): Likewise.
5807 (sync_nand<I48MODE>): Likewise.
5808 (sync_old_<fetchop_name><I48MODE>): Likewise.
5809 (sync_new_<fetchop_name><I48MODE>): Likewise.
5810 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5811 (sync_compare_and_swap<I48MODE>): Likewise.
5812 (sync_lock_test_and_set<I48MODE>): Likewise.
5813 (sync_compare_and_swap<I12MODE>): New.
5814 (sync_compare_and_swap<I12MODE>_1): New.
5815 (sync_lock_test_and_set<I12MODE>): New.
5816 (sync_lock_test_and_set<I12MODE>_1): New.
5817
5818 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5819
5820 PR 21356
5821 PR 22332
5822 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5823
5824 2005-07-09 Jakub Jelinek <jakub@redhat.com>
5825
5826 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5827 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5828
5829 2005-07-09 Richard SAndiford <richard@codesourcery.com>
5830
5831 PR target/21656
5832 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5833
5834 2005-07-08 David Edelsohn <edelsohn@gnu.org>
5835
5836 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5837 memory_operand constraint.
5838 (store_conditional_<mode>): Same.
5839 (sync_compare_and_swap<mode>): Same.
5840 (sync_lock_test_and_set<mode>): Same.
5841
5842 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
5843
5844 Rewrite PIC support to more closely model actual instructions.
5845 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5846 (cris_symbol): Remove prototypes for removed functions.
5847 (cris_pic_symbol_type_of, cris_valid_pic_const)
5848 (cris_expand_pic_call_address): Prototypes for new functions.
5849 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5850 variable.
5851 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5852 modifiers.
5853 <case ':'>: Add case for new punctuation character.
5854 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5855 emitting (extra) PIC modifier.
5856 <case UNSPEC>: Do not assert for PLT.
5857 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5858 (cris_expand_prologue, cris_expand_epilogue): Check
5859 for pic_offset_table_rtx usage instead of taking
5860 current_function_uses_pic_offset_table as the final word.
5861 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5862 Remove flag_pic difference.
5863 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5864 the moral equivalents of...
5865 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5866 functions.
5867 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5868 (cris_handle_option): Mark ARG as unused.
5869 (cris_expand_pic_call_address): New worker function for "call",
5870 "call_value".
5871 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5872 output PIC constructs here.
5873 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5874 as symbol-specific modifers, not whole or part of operands.
5875 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5876 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5877 constants and flag_pic.
5878 (CONSTANT_INDEX_P): Adjust for new functions.
5879 (enum cris_pic_symbol_type): New helper type.
5880 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5881 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5882 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5883 define_constants.
5884 ("movsi"): Emit actual instructions for GOT and relative access.
5885 ("*movsi_got_load"): New pattern to set up the register holding
5886 the GOT pointer.
5887 ("*movsi_internal"): Operand 1 is not a plain general_operand.
5888 Adjust FIXME for 'S'.
5889 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5890 Use "movs" for -fpic cases.
5891 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5892 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5893 ("call", "call_value"): Just call cris_expand_pic_call_address for
5894 PIC addresses.
5895 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5896 Remove special pattern.
5897 ("*expanded_call_side", "*expanded_call_value_side"): New
5898 patterns.
5899 (gotplt-to-plt, gotplt-to-plt-side-call)
5900 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5901 peephole2:s.
5902 * config/cris/cris/predicates.md
5903 ("cris_general_operand_or_gotless_symbol"): Remove unused
5904 predicate.
5905 ("cris_general_operand_or_symbol"): Adjust for new functions.
5906
5907 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5908
5909 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5910
5911 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
5912
5913 * Makefile.in (TREE_H): Add treestruct.def.
5914 (c-decl.o): Add pointer-set.h
5915 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5916 visibility on regular DECL's.
5917 (merge_decls): Fix the copying of decl nodes of various types for
5918 the new structures. Don't update RTL, section name, weak status,
5919 etc, on DECL's without RTL.
5920 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5921 Don't check volatile on non-variable types.
5922 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5923 to check whether we have seen arguments.
5924 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5925 flag is checked before field (flag is common, field is not).
5926 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
5927 TS_DECL_COMMON could have an origin.
5928 (add_location_or_const_value_attribute): Don't check section name
5929 on non-var/function decls.
5930 (dwarf2out_var_location): Reverse order of tests.
5931 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5932 with DECL_WRTL_CHECK.
5933 * expmed.c (make_tree): rtl is now in decl_with_rtl.
5934 * fold-const.c (fold_binary): Don't check weakness on
5935 non-var/function decls.
5936 (tree_expr_nonzero_p): Ditto.
5937 (fold_checksum_tree): Use tree_decl_extra as sizeof
5938 buffer.
5939 * ggc-page.c (extra_order_size_table): Add sizes for
5940 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
5941 tree_field_decl.
5942 * gimplify.c (gimplify_bind_expr): Only set
5943 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5944 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5945 without RTL.
5946 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5947 * langhooks.h (init_ts). New langhook.
5948 * passes.c (rest_of_decl_compilation): Reverse order of tests.
5949 * print-tree.c (print_node): Update to only print fields that
5950 exist in the structures the passed decl has.
5951 * toplev.c (wrapup_global_declarations): Don't reset
5952 DECL_DEFER_OUTPUT on DECL's that don't contain it.
5953 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5954 * tree-inline.c (remap_decl): Ditto.
5955 * tree-outof-ssa.c (create_temp): Reverse order of tests.
5956 * tree-pretty-print.c (print_declaration): Don't print
5957 DECL_REGISTER on things that don't contain it.
5958 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5959 non-var/function decls.
5960 * tree.c (tree_contains_struct): New structure.
5961 (init_priority_for_decl): New hashtable.
5962 (tree_int_map): New structure.
5963 (tree_int_map_eq): New function.
5964 (tree_int_map_marked_p): Ditto.
5965 (tree_int_map_hash): Ditto.
5966 (tree_map): Move to tree.h.
5967 (tree_map_eq): Externalize.
5968 (tree_map_hash): Ditto.
5969 (tree_map_marked_p): Ditto.
5970 (init_ttree): Set up tree_contains_struct and call langhook.
5971 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5972 (tree_code_size): Update for new structures.
5973 (tree_node_structure): Update for new structures.
5974 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5975 without the field.
5976 (copy_node_stat): Copy init priority.
5977 (build_decl_stat): Ditto for visibility.
5978 (ts_enum_names): New.
5979 (tree_contains_struct_check_failed): New function.
5980 (decl_init_priority_lookup): Ditto.
5981 (decl_init_priority_insert): Ditto.
5982 * treestruct.def: New file.
5983 * tree.h (CODE_CONTAINS_STRUCT): New macro.
5984 (CONTAINS_STRUCT_CHECK): Ditto.
5985 (tree_contains_struct_check_failed): New prototype.
5986 (DECL_CHECK): Removed.
5987 (DECL_MINIMAL_CHECK): New.
5988 (DECL_COMMON_CHECK): Ditto.
5989 (DECL_WRTL_CHECK): Ditto.
5990 (DECL_NON_COMMON_CHECK): Ditto.
5991 (DECL_WITH_VIS_CHECK): Ditto.
5992 (VAR_OR_FUNCTION_DECL_P): Ditto
5993 (struct tree_decl_minimal): New structure.
5994 (struct tree_decl_common): Ditto.
5995 (struct tree_decl_with_rtl): Ditto.
5996 (struct tree_decl_with_vis): Ditto.
5997 (struct tree_decl_non_common): Ditto.
5998 (struct tree_field_decl): Ditto.
5999 (struct tree_parm_decl): Ditto.
6000 (struct tree_var_decl): Ditto.
6001 (struct tree_function_decl): Ditto.
6002 (struct tree_const_decl): Ditto.
6003 (struct tree_result_decl): Ditto.
6004 (union tree_node): Add new structures.
6005 * var-tracking.c (track_expr_p): Reverse order of tests.
6006
6007 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6008
6009 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6010
6011 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6012 * system.h: Poison FINALIZE_PIC.
6013 * doc/tm.texi (FINALIZE_PIC): Remove.
6014
6015 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6016
6017 PR tree-opt/22329
6018 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6019 to the correct type if we have a MODIFY_EXPR.
6020
6021 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6022
6023 PR tree-optimization/22360
6024 * tree.c (upper_bound_in_type): Fix calculations for casting
6025 to a non-wider signed type and casting a signed value to a
6026 wider unsigned type.
6027 (lower_bound_in_type): Fix calculations for casting to a
6028 non-wider signed type.
6029
6030 PR tree-optimization/20139
6031 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6032 release_defs.
6033 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6034 fold_cond_expr_cond.
6035 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6036 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6037
6038 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6039
6040 PR tree-opt/22356
6041 * tree-complex.c (expand_complex_libcall): Produce
6042 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6043
6044 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6045
6046 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6047 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6048 b" assert and inserted fastpath code for this case.
6049 (bitmap_ior): Removed "a != b" assert.
6050
6051 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6052
6053 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6054 (ENDFILE_SPEC): Likewise.
6055 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6056
6057 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6058 a large stack frame at epilogue.
6059
6060 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6061
6062 * final.c: Include sdbout.h when required.
6063
6064 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6065
6066 * config.gcc (*-*-darwin*): Only one target-specific header file
6067 for generic darwin.
6068 (powerpc-*-darwin*): Add version-specific header files.
6069 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6070 * config.in: Regenerate.
6071 * configure: Regenerate.
6072 * gcc.c: Include xregex.h.
6073 (version_compare_spec_function): New.
6074 (spec_function): Add version-compare.
6075 (replace_outfile_spec_function): Reformat comment.
6076 (compare_version_strings): New.
6077 * config/darwin-c.c (version_as_macro): New.
6078 (builtin_define): New.
6079 (darwin_cpp_builtins): New.
6080 * config/darwin-protos.h (darwin_cpp_builtins): New.
6081 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6082 (LIB_SPEC): Make unconditional, update comment.
6083 (TARGET_C99_FUNCTIONS): Define.
6084 * config/darwin.opt: Sort.
6085 (mmacosx-version-min=): New.
6086 * config/darwin7.h: Delete.
6087 * config/darwin8.h: Delete.
6088 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6089 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6090 (TARGET_C99_FUNCTIONS): Define.
6091 * config/rs6000/darwin7.h: New.
6092 * config/rs6000/darwin8.h: New.
6093 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6094 (-mmacosx-version-min): Document.
6095
6096 2005-07-07 Ian Lance Taylor <ian@airs.com>
6097
6098 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6099
6100 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6101
6102 PR middle-end/22239
6103 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6104
6105 2005-07-07 Khem Raj <kraj@mvista.com>
6106
6107 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6108 in bytes, not words.
6109
6110 2005-07-07 Paul Brook <paul@codesourcery.com>
6111
6112 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6113 DEFAULT_FUNCTION_ARG_PADDING to upward.
6114
6115 2005-07-07 Richard Henderson <rth@redhat.com>
6116
6117 * function.c (locate_and_pad_parm): Record parameter alignment in
6118 stack_alignment_needed.
6119
6120 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6121
6122 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6123 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6124 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6125 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6126 (define_attr "type"): Add isync, sync, load_l, store_c.
6127 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6128 Create scratch volatile MEM.
6129 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6130 sync.
6131 (load_locked_<mode>): New.
6132 (store_conditional_<mode>): New.
6133 (sync_compare_and_swap<mode>): Replace with splitter.
6134 (sync_lock_test_and_set<mode>): Replace with splitter.
6135 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6136 and UNSPECV_ISYNC.
6137 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6138 is ics. Attribute isync.
6139 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6140 lwsync.
6141 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6142 and UNSPECV_SYNC_OP.
6143 (emit_unlikely_jump): New.
6144 (emit_load_locked): New.
6145 (emit_store_conditional): New.
6146 (rs6000_split_compare_and_swap): New.
6147 (rs6000_split_lock_test_and_set): New.
6148 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6149 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6150 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6151 rs6000_split_lock_test_and_set): Declare.
6152 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6153 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6154 store_c, isync, sync.
6155
6156 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6157
6158 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6159 filenames to gtyp-gen.h.
6160 (s-typ-gen): Use it in place of for loops.
6161
6162 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6163
6164 * hooks.c (hook_bool_rtx_int_false): New function.
6165 * hooks.h (hook_bool_rtx_int_false): Declare.
6166 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6167 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6168 * target.h (struct gcc_target): Add commutative_p member.
6169 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6170 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6171 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6172 (pa_commutative_p): New function.
6173 * jump.c (target.h): Include.
6174 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6175 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6176
6177 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6178
6179 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6180 (s390_expand_setmem): New.
6181 * config/s390/s390.c: Likewise.
6182 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6183 Adapt comments.
6184 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6185 general_operand. Call new function "s390_expand_setmem".
6186 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6187 ("setmem_long", "*setmem_long"): ... this.
6188
6189 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6190
6191 * config/s390/s390.c: (optimization_options): Enable
6192 TARGET_MVCLE at -Os.
6193 * doc/invoke.texi: Document changes in default behaviour.
6194 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6195
6196 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6197
6198 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6199 defined by back-end.
6200
6201 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6202
6203 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6204 all sets in the pattern.
6205 * config/rs6000/rs6000.md (stack_protect_testsi,
6206 stack_protect_testdi): Likewise.
6207
6208 2005-07-06 Jeff Law <law@redhat.com>
6209
6210 * tree-vrp.c (simplify_using_ranges): Kill.
6211 (vrp_finalize): Remove call to simplify_using_ranges.
6212 (simplify_stmt_using_ranges): New function extracted from
6213 simplify_using_ranges.
6214 (simplify_div_or_mod_using_ranges): Likewise.
6215 (simplify_abs_using_ranges): Likewise.
6216 (simplify_cond_using_ranges): New function.
6217 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6218 * tree-ssa-propagate.c (substitute_and_fold): Call
6219 simplify_stmt_using_ranges if we have range information.
6220
6221 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6222
6223 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6224 ia64_flag_schedule_isns2.
6225
6226 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6227 reading/writing general registers.
6228 (ia64_function_arg): Revert 2005-06-18 change.
6229
6230 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6231
6232 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6233 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6234
6235 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6236
6237 * function.c (expand_function_end): Revert part of 2005-06-27
6238 patch. Do sjlj_emit_function_exit_after after return_label.
6239
6240 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6241
6242 * doc/install.texi (--disable-libssp): New.
6243
6244 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6245
6246 * doc/invoke.texi: Update -fforce-mem documentation.
6247 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6248 code for -fforce-mem.
6249 * expmed.c: (store_bit_field,store_fixed_bit_field,
6250 extract_bit_field): Ditto.
6251 * expr.c: (convert_move): Ditto.
6252 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6253 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6254 emit_conditional_add,expand_float,expand_fix): Ditto.
6255 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6256 (common_handle_option): Issue warning when -fforce-mem specified.
6257
6258 2005-07-06 Paul Brook <paul@codesourcery.com>
6259
6260 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6261 argument is empty.
6262 * configure: Regenerate.
6263
6264 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6265
6266 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6267
6268 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6269
6270 Fix PR tree-optimization/22319
6271 Fix PR tree-optimization/22140
6272 Fix PR tree-optimization/22310
6273
6274 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6275 variable sized types.
6276 Use correct type for intermediate structure on *a = *b structure
6277 copies.
6278
6279 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6280
6281 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6282 Remove.
6283 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6284 (machine_function): Move typedef to...
6285 * config/rs6000/rs6000.c (machine_function): ... here. Add
6286 varargs_save_offset field.
6287 (rs6000_stack_t): Remove varargs_size field.
6288 (setup_incoming_varargs): Allocate varargs save area using
6289 assign_stack_local, try to make it as small as possible.
6290 Save offset from virtual_stack_vars_rtx to the save area
6291 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6292 instead of magic 8 when fp word byte size is used.
6293 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6294 instead of -RS6000_VARARGS_SIZE.
6295 (rs6000_stack_info, debug_stack_info,
6296 rs6000_initial_elimination_offset): Remove all traces of
6297 varargs_size.
6298 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6299 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6300 RS6000_VARARGS_AREA.
6301
6302 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6303
6304 PR tree-optimization/21963
6305 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6306 constant_multiple_of in the same way get_computation_cost_at does.
6307
6308 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6309
6310 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6311 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6312 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6313 and return its previous value.
6314 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6315 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6316 constants.
6317 (stack_protect_set, stack_protect_test): New expanders.
6318 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6319 stack_protect_testdi): New insns.
6320 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6321 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6322
6323 2005-07-06 Jeff Law <law@redhat.com>
6324
6325 * tree-ssa-dce.c (cfg_altered): New global.
6326 (tree_dce_init): Initialize cfg_altered.
6327 (remove_dead_stmt): If we remove an edge in the CFG, then set
6328 CFG_ALTERED.
6329 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6330 the dominators.
6331
6332 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6333
6334 * Makefile.in (stamp-collect-ld): Use
6335 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6336 ./collect-ld if it already exists.
6337 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6338 Don't remove ./nm if it already exists.
6339
6340 2005-07-05 Devang Patel <dpatel@apple.com>
6341
6342 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6343 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6344 * tree-vectorizer.c (vect_loop_location): New.
6345 (vect_print_dump_info): Use vect_loop_location.
6346 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6347 (vectorize_loops): Set vect_loop_location.
6348 * tree-vect-analyze.c (vect_analyze_offset_expr,
6349 vect_determin_vectorization_factor, vect_analyze_operations,
6350 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6351 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6352 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6353 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6354 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6355 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6356 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6357 vect_analyze_loop): Adjust vect_print_dump_info API.
6358 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6359 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6360 vect_finish_stmt_generation, vectorizable_assignment,
6361 vectorizable_operation, vectorizable_store, vectorizable_load,
6362 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6363 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6364 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6365 vect_transform_loop): Same.
6366 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6367 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6368 Same.
6369
6370 2005-07-05 Randolph Chung <tausq@debian.org>
6371
6372 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6373 * configure: Regenerate.
6374 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6375 (pa_tls_referenced_p): Declare.
6376 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6377 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6378 (legitimize_tls_address): New.
6379 (hppa_legitimize_address): Handle TLS addresses.
6380 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6381 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6382 (emit_move_sequence): Handle TLS addresses.
6383 (pa_encode_section_info): Call default handler to handle common
6384 sections.
6385 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6386 (CONSTANT_ADDRESS_P): Reject TLS operands.
6387 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6388 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6389 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6390 (UNSPEC_TLSLE): Define new constants.
6391 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6392 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6393 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6394 (tie_symbolic_operand, tle_symbolic_operand): New
6395
6396 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6397
6398 * aclocal.m4: Update macros for autoconf 2.59 style.
6399 * configure.ac: Likewise.
6400
6401 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6402
6403 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6404 (function_arg): Pass small aggregates in general registers on 32-bit
6405 targets.
6406 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6407
6408 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6409
6410 * Makefile.in (final.o): Fix dependencies.
6411
6412 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6413
6414 PR c/22013
6415 PR c/22098
6416 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6417 * langhooks.c (lhd_expr_to_decl): New.
6418 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6419 New.
6420 (LANG_HOOKS_INITIALIZER): Update.
6421 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6422 expr_to_decl langhook.
6423 * c-tree.h (c_expr_to_decl): Declare.
6424 * c-typeck.c (c_expr_to_decl): New.
6425 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6426 specially.
6427 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6428
6429 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6430
6431 PR c/22308
6432 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6433 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6434
6435 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6436
6437 * Makefile.in: Adjust dependencies.
6438 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6439 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6440 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6441 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6442 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6443 rest_of_compilation.
6444
6445 * bb-reorder.c (gate_duplicate_computed_gotos,
6446 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6447 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6448 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6449 pass_partition_blocks): New.
6450 * bt-load.c (gate_handle_branch_target_load_optimize,
6451 rest_of_handle_branch_target_load_optimize,
6452 pass_branch_target_load_optimize): New.
6453 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6454 pass_jump2): New.
6455 * cfglayout.c (pass_insn_locators_initialize): New.
6456 * cfgrtl.c (pass_free_cfg): New.
6457 * combine.c (gate_handle_combine, rest_of_handle_combine,
6458 pass_combine): New.
6459 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6460 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6461 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6462 * except.c (pass_set_nothrow_function_flags,
6463 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6464 pass_rtl_eh): New.
6465 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6466 rest_of_handle_shorten_branches, pass_shorten_branches,
6467 rest_of_clean_state, pass_clean_state): New.
6468 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6469 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6470 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6471 pass_flow2): New.
6472 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6473 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6474 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6475 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6476 pass_gcse): New.
6477 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6478 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6479 pass_rtl_ifcvt, gate_handle_if_after_combine,
6480 rest_of_handle_if_after_combine, pass_if_after_combine,
6481 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6482 pass_if_after_reload): New.
6483 * integrate.c (pass_initial_value_sets): New.
6484 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6485 pass_purge_lineno_notes): New.
6486 * mode-switching.c (rest_of_handle_mode_switching,
6487 pass_mode_switching): New.
6488 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6489 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6490 pass_loop2): New.
6491 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6492 pass_loop_optimize): New.
6493 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6494 pass_sms): New.
6495 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6496 pass_gcse2): New.
6497 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6498 pass_postreload_cse): New.
6499 * profile.c (gate_handle_profiling, pass_profiling,
6500 rest_of_handle_branch_prob, pass_branch_prob): New.
6501 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6502 pass_split_before_regstack, gate_handle_split_before_regstack,
6503 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6504 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6505 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6506 pass_stack_regs): New.
6507 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6508 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6509 pass_stack_adjustments): New.
6510 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6511 pass_regrename): New.
6512 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6513 pass_delay_slots, gate_handle_machine_reorg,
6514 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6515 * rtl.h (extern void purge_line_number_notes): New.
6516 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6517 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6518 pass_sched2): New.
6519 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6520 pass_tracer): New.
6521 * value-prof.c (gate_handle_value_profile_transformations,
6522 rest_of_handle_value_profile_transformations,
6523 pass_value_profile_transformations): New.
6524 * var-tracking.c (gate_handle_var_tracking,
6525 pass_variable_tracking): New.
6526 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6527
6528 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6529 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6530 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6531 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6532 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6533 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6534 rest_of_handle_gcse2, rest_of_handle_regmove,
6535 rest_of_handle_tracer, rest_of_handle_if_conversion,
6536 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6537 rest_of_handle_web, rest_of_handle_branch_prob,
6538 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6539 rest_of_handle_jump_bypass, rest_of_handle_combine,
6540 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6541 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6542 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6543 rest_of_handle_mode_switching, rest_of_handle_jump,
6544 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6545 rest_of_handle_flow2, rest_of_handle_jump2,
6546 rest_of_handle_peephole2, rest_of_handle_postreload,
6547 rest_of_handle_shorten_branches, rest_of_clean_state,
6548 rest_of_compilation): Remove.
6549
6550 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6551 * passes.c (dump_flags, in_gimple_form, all_passes,
6552 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6553 register_dump_files, next_pass_1, last_verified, execute_todo,
6554 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6555 from tree-optimize.c.
6556 (init_optimization_passes): Moved from tree-optimize.c,
6557 adding the RTL optimizations.
6558 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6559 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6560 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6561 register_dump_files, next_pass_1, last_verified, execute_todo,
6562 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6563 init_tree_optimization_passes, ipa_passes): Delete.
6564 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6565 the RTL dumps.
6566 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6567 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6568 from tree.h.
6569 (ipa_passes): Remove.
6570 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6571 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6572 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6573 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6574 (dump_info_p, dump_flag): Moved to tree-dump.h.
6575
6576 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6577 cgraph.c, opts.c.
6578 * passes.c (finish_optimization_passes): Use dump_begin
6579 and dump_end, TDI_end.
6580 (gate_rest_of_compilation): New.
6581 (pass_rest_of_compilation): Use it.
6582 (gate_postreload, pass_postreload): New.
6583 * toplev.c (general_init): Rename init_tree_optimization_passes.
6584 * toplev.h (init_tree_optimization_passes): Rename to
6585 init_optimizations_passes.
6586 * tree-dump.c (dump_flag): Make static.
6587 (dump_files): Remove RTL dumps.
6588 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6589 pass_cleanup_cfg, pass_free_cfg_annotations,
6590 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6591 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6592 * tree-pretty-print.c: Include tree-pass.h.
6593 * cgraph.c: Include tree-dump.h.
6594
6595 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6596
6597 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6598 Only fall back to saying it points to readonly memory if
6599 we can't do better.
6600
6601 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6602
6603 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6604 * config/m32r/m32r.c (m32r_compute_frame_size,
6605 m32r_expand_prologue): Take current_function_profile into
6606 account whenever we reference
6607 current_function_uses_pic_offset_table.
6608 (m32r_finalize_pic): Remove.
6609 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6610
6611 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6612
6613 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6614 instead of $<. Don't remove ./as if it already exists.
6615
6616 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6617
6618 PR target/21723
6619 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6620 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6621 for complex modes when generating code for PA 1.0.
6622 (VALID_FP_MODE_P): New macro.
6623 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6624 sets for all general and floating point modes. Align wide floating
6625 point modes to even register boundaries to comply with architectural
6626 requirements.
6627 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6628 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6629 (VALID_FP_MODE_P): New macro.
6630 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6631 sets for all general and floating point modes. Align wide floating
6632 point modes to even register boundaries to comply with architectural
6633 requirements.
6634
6635 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6636
6637 * tree-dump.c (dump_files): Initialize dump number for .cgraph
6638 to 0.
6639
6640 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6641
6642 * tree-ssa-structalias.c: Don't include expr.h.
6643
6644 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6645
6646 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6647 comments.
6648
6649 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6650
6651 Fix PR tree-optimization/22279
6652
6653 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6654 correct operator.
6655
6656 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
6657
6658 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6659
6660 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6661
6662 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6663 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6664 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6665 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6666 config/stormy16/stormy16.c, config/v850/v850.c,
6667 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6668 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6669 Avoid "." or "\n" at end of diagnostics and capital letters at
6670 start of diagnostics.
6671 * combine.c, cse.c: Don't translate dump file output.
6672 * toplev.c (print_version): Only translate output if going to
6673 stderr.
6674
6675 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6676
6677 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6678 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6679 typos.
6680
6681 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6682
6683 * pa.c (fix_range): Fix typo in comment.
6684
6685 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6686
6687 * tree-vrp.c (extract_range_from_assert): Replace
6688 fold (build (...)) with fold_build2.
6689
6690 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6691
6692 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6693 gcc_gfc_char_table, init_dynamic_gfc_info): New.
6694 (format_types_orig, handle_format_attribute): Add support for
6695 format "gcc_gfc".
6696
6697 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
6698
6699 * varasm.c (assemble_variable): Fix format specifier thinko.
6700
6701 2005-07-03 Ira Rosen <irar@il.ibm.com>
6702
6703 PR tree-optimization/22029 (and 22135)
6704 * tree-pretty-print.c (dump_generic_node): Check that the node is not
6705 a phi node before calling dump_vops.
6706
6707 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6708
6709 * tree-dump.h (dump_string_field): Declare.
6710 * tree-dump.c: Use it instead of dump_string.
6711 (dump_string_field): Make non-static.
6712
6713 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
6714
6715 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6716 up the minimal CFG stuff always when optimize > 0. Call
6717 split_all_insns_noflow in PIC case if needed.
6718
6719 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6720 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6721
6722 PR c++/18279
6723 * c-decl.c (c_write_global_declarations): Dump contents of
6724 external scope to.
6725 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6726 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6727 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6728 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6729 is enabled.
6730
6731 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6732
6733 * c-common.h (GCC_DIAG_STYLE): Define.
6734 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
6735 version for format checking to 4.1.
6736 * c-format.c: Include toplev.h after c-common.h.
6737 (enum format_type): Add gcc_tdiag_format_type.
6738 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6739 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6740 (format_types_orig): Add gcc_tdiag.
6741 (init_dynamic_diag_info): Support gcc_tdiag formats.
6742 (handle_format_attribute): Likewise.
6743 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6744 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
6745 version for format checking to 4.1.
6746 (warning0, warning, error, pedwarn, sorry): Use
6747 ATTRIBUTE_GCC_DIAG.
6748 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6749 (finish_aliases_1): Do not use %qE.
6750 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6751 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6752 Correct format bugs.
6753 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6754 parameter to unsigned HOST_WIDE_INT.
6755 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6756
6757 2005-07-02 David Edelsohn <edelsohn@gnu.org>
6758
6759 PR middle-end/21742
6760 * expr.c (write_complex_part): Use adjust_address for MEM.
6761 (read_complex_part): Same.
6762
6763 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
6764
6765 Fix PR tree-optimization/22280
6766
6767 * tree-sra.c (generate_element_init): Remove useless loop.
6768
6769 2005-07-02 Richard Henderson <rth@redhat.com>
6770
6771 * config/alpha/alpha.c (alpha_legitimize_address): Check for
6772 TLS_MODEL_NONE.
6773 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6774
6775 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
6776
6777 PR middle-end/14490
6778 * fold-const.c (fold_binary): Handle the return value of
6779 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6780 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6781
6782 2005-07-02 Jeff Law <law@redhat.com>
6783
6784 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6785 a eliminate type conversion which feeds an equality comparison
6786 if the original type or either operand in the comparison is a
6787 function pointer.
6788
6789 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
6790
6791 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6792 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6793 texts.
6794 * config/avr/avr.c: Do not use '`' as left quote.
6795 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6796 Remove "." from end of diagnostics. Make diagnostics start with
6797 lowercase letter.
6798
6799 2005-07-02 Zack Weinberg <zack@codesourcery.com>
6800 Joseph S. Myers <joseph@codesourcery.com>
6801
6802 * toplev.c (default_tree_printer): Handle setting location with
6803 '+' flag.
6804 * c-objc.common.c (c_tree_printer): Likewise.
6805 * c-format.c (gcc_diag_flag_specs): Add '+'.
6806 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6807 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6808 formats.
6809 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6810 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6811 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6812 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6813 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6814 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
6815 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
6816 format arguments where %J is used without %D.
6817
6818 2005-07-02 Jakub Jelinek <jakub@redhat.com>
6819
6820 * gcc.c (LINK_SSP_SPEC): Define.
6821 (link_ssp_spec): New variable.
6822 (LINK_COMMAND_SPEC): Add %(link_ssp).
6823 (static_specs): Add link_ssp_spec.
6824 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6825 * configure: Rebuilt.
6826 * config.in: Rebuilt.
6827
6828 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6829 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6830 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6831 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6832 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6833 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6834 -0x7008(2) instead of reading __stack_chk_guard variable.
6835 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6836 number.
6837 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6838 (stack_protect_set, stack_protect_test): Use *_tls* patterns
6839 if TARGET_THREAD_SSP_OFFSET is defined.
6840 (stack_tls_protect_set_si, stack_tls_protect_set_di,
6841 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6842
6843 Revert:
6844 2005-06-27 Richard Henderson <rth@redhat.com>
6845 * libgcc-std.ver (GCC_4.1.0): New.
6846 * libgcc.h (__stack_chk_guard): Declare.
6847 (__stack_chk_fail, __stack_chk_fail_local): Declare.
6848 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6849 * mklibgcc.in (lib2funcs): Add them.
6850
6851 2005-07-01 Richard Henderson <rth@redhat.com>
6852
6853 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6854 void * before struct sigcontext *.
6855 (x86_fallback_frame_state): Likewise.
6856
6857 2005-07-01 James E. Wilson <wilson@specifixinc.com>
6858
6859 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6860
6861 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
6862
6863 PR tree-opt/22269
6864 * tree-ssa-reassoc.c (should_transpose): Fix which operand
6865 we check for SSA_NAME for.
6866
6867 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
6868
6869 Fix PR tree-optimization/22071
6870
6871 * tree-ssa-structalias.c (offset_overlaps_with_access): New
6872 function.
6873 (get_constraint_for_component_ref): Use it.
6874
6875 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
6876
6877 PR other/22264
6878 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6879 print out the last new line.
6880
6881 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
6882
6883 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6884 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6885 * config/cris/cris.c (cris_conditional_register_usage): Adjust
6886 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6887 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6888 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6889 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6890 (enum reg_class): New member CC0_REGS.
6891 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6892 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6893 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6894 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6895 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6896 Adjust for register now described.
6897
6898 2005-07-01 Jakub Jelinek <jakub@redhat.com>
6899
6900 PR target/22262
6901 * config/i386/i386.md (stack_protect_test_si,
6902 stack_protect_test_di): Add earlyclobber for scratch 3.
6903 * config/rs6000/rs6000.md (stack_protect_testsi,
6904 stack_protect_testdi): Add earlyclobber for scratch 3,
6905 remove earlyclobber from scratch 4.
6906
6907 Older entries for 2005 can be found in ChangeLog-2005.