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PR rtl-optimization/23837
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2
3         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4         case, define as macros.
5
6         PR rtl-optimization/23837
7         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
8         clobber / clobber match between dest and p->first.
9
10 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
11
12         * doc/install.texi: Update URL for Jacks.
13         * doc/sourcebuild.texi: Likewise.
14
15 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
16
17         PR target/24007
18         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
19         registers when choosing register preferences.
20         (movdf_hardfloat64): Same.
21
22 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
23
24         * expmed.c (expand_shift): Don't use the target of the rotate as
25         target for the first expanded shift insn.
26         * testsuite/gcc.dg/20050922-1.c: Testcase added.
27
28 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
29
30         PR tree-optimization/22438
31         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
32         preserved iv rhs rewriting specially.
33
34 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
35
36         * tree-data-ref.c (analyze_array_indexes): Only estimate when
37         estimate_only  is true.
38         * tree-flow.h (ref_contains_indirect_ref): New prototype.
39         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
40         tree-ssa-structalias.c 
41         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
42         ref_contains_indirect_ref.
43         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
44
45 2005-09-21  DJ Delorie  <dj@redhat.com>
46
47         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
48         MASK_PTR_A0D0.
49         (mn10300_return_in_memory): Support variable size types also.
50         (mn10300_pass_by_reference): Likewise.
51         (mn10300_function_value): New.
52         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
53         (FUNCTION_OUTGOING_VALUE): Likewise.
54         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
55         * doc/invoke.texi: Document it.
56
57 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
58
59         PR target/22585
60         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
61         force integer op1 into register for XFmode compares.
62
63 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
64
65         PR middle-end/23971
66         * expmed.c (alg_code): Add alg_impossible.
67         (alg_hash_entry): Add cost.
68         (synth_mult): Record alg_impossible in the hash table if
69         multiplication by a given integer is impossble within the
70         limit.  Speed up using alg_impossible.
71
72 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
73
74         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
75         argument.  Allow and set any offset if needs_anyoffset is passed
76         in.
77         (get_constraint_for): Add argument here too.
78         Pass it down.
79         (do_structure_copy): Pass NULL to get_constraint_for.
80         (handle_ptr_arith): Ditto.
81         (find_func_aliases): Ditto.
82
83 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
84
85         PR rtl-optimization/23898
86         * output.h (get_attr_min_length): Declare.
87         * final.c (get_attr_length_1): New function, broken out of:
88         (get_attr_length).
89         (get_attr_min_length): New function.
90         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
91         (duplicate_computed_gotos): Likewise.
92         * genattr.c (insn_min_length): Generate declaration.
93         * genattrtab.c (min_fn, min_attr_value): New functions.
94         (make_length_attrs): Generate insn_min_length.
95
96 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
97
98         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
99
100 2005-09-20  Richard Henderson  <rth@redhat.com>
101
102         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
103         EXPAND_STACK_PARM.
104
105 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
106
107         * c.opt (fextended-identifiers): New.
108         * c-opts.c (c_common_handle_option): Handle
109         -fextended-identifiers.
110         * doc/cpp.texi: Update documentation of extended identifiers.
111         * doc/cppopts.texi (-fextended-identifiers): Document.
112
113 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
114
115         PR tree-optimization/23929
116         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
117         if expr is NULL.
118
119         PR tree-optimization/23818
120         * tree-stdarg.c (execute_optimize_stdarg): Call
121         calculate_dominance_info.
122
123 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
124
125         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
126         (analyze_siv_subscript_cst_affine): Add weak SIV test.
127         (compute_overlap_steps_for_affine_1_2): Use
128         get_number_of_iters_for_loop.
129         (analyze_subscript_affine_affine): Check whether difference is
130         zero first.
131         Use get_number_of_iters_for_loop.
132         Check whether overlap occurs outside of bounds.
133         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
134
135 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
136
137         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
138         base register if possible.
139
140 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
141
142         PR tree-optimization/18463
143         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
144         converting it directly is not possible.
145         (chrec_convert_aggressive): New function.
146         * tree-chrec.h (chrec_convert_aggressive): Declare.
147         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
148         Fold chrec conversions aggressively if asked to.
149         (instantiate_parameters): Modified because of changes in
150         instantiate_parameters_1.
151
152 2005-09-19  Richard Henderson  <rth@redhat.com>
153
154         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
155         (reduc_splus_v2df): New.
156
157 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
158
159         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
160         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
161
162 2005-09-19  Richard Henderson  <rth@redhat.com>
163
164         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
165         vcondu<SSEMODE12>.
166
167 2005-09-19  Richard Henderson  <rth@redhat.com>
168
169         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
170         (ia64_expand_dot_prod_v8qi): New.
171         * config/ia64/ia64-protos.h: Update.
172         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
173         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
174         sdot_prodv8qi, sdot_prodv4hi): New.
175         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
176
177 2005-09-19  Richard Henderson  <rth@redhat.com>
178
179         PR 23941
180         * real.c (exact_real_truncate): Return false if the format cannot
181         represent the number as a normal.
182
183         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
184         for a memory source.
185
186 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
187
188         * tree-ssa-operands.c (swap_tree_operands): Export.
189         * tree.h (swap_tree_operands): Declare.
190         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
191         Call swap_tree_operands.
192         
193 2005-09-19  Richard Henderson  <rth@redhat.com>
194
195         * tree-flow.h (merge_alias_info): Declare.
196         * tree-ssa-copy.c (merge_alias_info): Export.
197         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
198         (vect_create_data_ref_ptr): Use create_iv directly.
199         (vectorizable_load): Use correct types for integer constants.
200         (vect_generate_tmps_on_preheader): Likewise.
201         (vect_gen_niters_for_prolog_loop): Likewise.
202
203 2005-09-19  Steven Bosscher  <stevenb@suse.de>
204
205         PR rtl-optimization/23943
206         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
207
208 2005-09-18  Jan Hubicka  <jh@suse.cz>
209
210         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
211
212 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
213
214         * varasm.c (output_constant): Do not abort on conversions to union
215         types between different sizes.
216
217 2005-09-18  Richard Guenther  <rguenther@suse.de>
218
219         PR middle-end/23944
220         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
221         fallback.
222
223 2005-09-18  Paul Brook  <paul@codesourcery.com>
224
225         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
226
227 2005-09-17  Richard Henderson  <rth@redhat.com>
228
229         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
230         * tree-ssa-loop.c (pass_vect_dce): Remove.
231         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
232         of pass_vectorize.
233
234 2005-09-17  Richard Henderson  <rth@redhat.com>
235
236         * tree-pass.h (pass_vect_dce): Declare.
237         * passes.c (init_optimization_passes): Add it.
238         * tree-flow.h (tree_ssa_dce): Declare.
239         * tree-ssa-dce.c (tree_ssa_dce): Export.
240         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
241         (gate_tree_vectorize): ... here.
242         (pass_vect_dce): New.
243
244 2005-09-17  Jan Hubicka  <jh@suse.cz>
245
246         * except.c (struct eh_status): Turn region_array into vec.
247         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
248         convert_from_eh_region_ranges, find_exception_handler_labels, 
249         current_function_has_exception_handlers, assign_filter_values, 
250         build_post_landing_pads, dw2_build_landing_pads,
251         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
252         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
253         foreach_reachable_handler, can_throw_internal_1,
254         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
255         region_array.
256         (duplicate_eh_region_1): Update region_array.
257         (duplicate_eh_regions): Resize region_array and avoid recomputing.
258
259 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
260
261         PR middle-end/22067
262         * expmed.c (expand_mult): Substitute simple register for op0 when
263         computing max_cost.
264
265 2005-09-17  Richard Henderson  <rth@redhat.com>
266
267         * expr.c (emit_move_via_integer): Add force argument, pass it on
268         to emit_move_change_mode.  Update callers.
269         (emit_move_complex): Pass true to new force argument.
270         * function.c (expand_function_end): Move expand_eh_return call
271         earlier.  Merge sub-word complex values into a pseudo before
272         copying to the return hard register.
273
274 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
275
276         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
277         between different sizes.
278
279 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
280
281         PR 23903
282
283         * passes.c (init_optimization_passes): Register dump files for
284         IPA passes first.
285
286 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
287
288         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
289         * config/s390/s390.c (s390_overlap_p): New function.
290         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
291         peephole2, "*xc" peephole2): Added overlap check to the peephole2
292         condition.
293
294 2005-09-16  Richard Guenther  <rguenther@suse.de>
295
296         * ipa-pure-const.c (static_execute): Free auxiliar information.
297         * ipa-type-escape.c (discover_unique_type): Free temporary key.
298         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
299
300 2005-09-15  DJ Delorie  <dj@redhat.com>
301
302         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
303
304 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
305
306         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
307         to order operands.
308         (swap_commutative_operands_with_target): New.
309
310 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
311
312         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
313         parameter.
314         Update callers.
315         (estimate_iters_using_array): New function.
316         * tree-data-ref.h (estimate_iters_using_array): Prototype
317         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
318         Use estimate_iters_using_array instead of analyze_array.
319         
320 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
321
322         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
323         as addressable.
324
325 2005-09-15  Michael Matz  <matz@suse.de>
326
327         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
328
329 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
330
331         PR tree-optimization/23835
332         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
333         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
334
335 2005-09-14  Richard Henderson  <rth@redhat.com>
336
337         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
338         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
339
340 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
341
342         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
343         in the ARRAY_TYPE case.
344
345 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
346
347         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
348
349 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
350
351         PR middle-end/22480
352         * tree-vect-transform.c (vectorizable_operation): Return false for
353         scalar shift operations and for vector shift operations with
354         non-invariant shift arguments.  Use scalar tree operand op1 as
355         a shift operand when vector shift insn pattern uses scalar shift
356         operand.
357         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
358
359 2005-09-14  Olivier Hainque  <hainque@adacore.com>
360
361         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
362         value if it has side-effects.
363
364 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
365
366         PR target/22068
367         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
368
369 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
370
371         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
372         passed as NAME as if it were label at start of function code.
373
374 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
375
376         * config/sh/sh.md (*movv4sf_i): Add general register cases to
377         the constraints.
378
379 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
380
381         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
382         as early clobber.  Rewrite so the PIC register is not implicitly used.
383
384 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
385
386         * tree.c (annotate_with_file_line): Compare line numbers before
387         file names.
388
389 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
390
391         PR target/23816
392         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
393         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
394
395 2005-09-13  Ian Lance Taylor  <ian@airs.com>
396
397         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
398         than a HOST_WIDEST_INT to gen_doloop_begin.
399
400 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
401
402         * tree-dfa.c (dump_variable): Guard against NULL annotations.
403
404 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
405
406         PR tree-optimize/23817
407         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
408
409 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
410
411         PR target/23774
412         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
413         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
414         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
415         (restore_stack_nonlocal): Likewise.
416         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
417
418 2005-09-12  Ian Lance Taylor  <ian@airs.com>
419
420         PR g++/7874
421         * c.opt (ffriend-injection): New C++ option.
422         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
423         (C++ Dialect Options): Document -ffriend-injection.
424
425 2005-09-12  Josh Conner  <jconner@apple.com>
426
427         PR middle-end/23237
428         * ipa-reference.c (static_execute): Don't mark variables in
429         named sections TREE_READONLY.
430
431 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
432
433         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
434         stack_tie.
435
436 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
437
438         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and 
439         V_MUST_DEF instead of just the first_use_p.
440         Don't mark the virtual variables for renaming on the statement which 
441         is being removed.
442         (pass_dse): Remove TODO_update_ssa.
443
444 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
445
446         PR middle-end/23290
447         * stor-layout.c (compute_record_mode): For records with a single
448         field, actually check the field's mode size against the type size.
449
450         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
451         registers for TARGET_SHMEDIA.
452         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
453         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
454         of GENERAL_REGS and FP_REGS.
455
456 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
457
458         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
459
460 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
461
462         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
463         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
464         are omitted.  Exclude stack_tie insn too.
465
466 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
467
468         PR rtl-optimization/23098
469         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
470         0.0f is easy.
471         * config/rs6000/rs6000.md (movdf splitter): Use
472         const_double_operand predicate for TARGET_POWERPC64.
473         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
474         SYMBOL_REF method to ABI_V4.
475
476         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
477         replace_equiv_address.
478         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
479         rs6000_sr_alias_set and MEM_NOTRAP.
480         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
481
482 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
483
484         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
485         handle CALL_EXPR again.
486
487 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
488
489         * arm/predicates.md (alignable_memory_operand): Delete.
490
491 2005-09-10  Richard Henderson  <rth@redhat.com>
492
493         PR debug/23806
494         * dbxout.c (dbxout_expand_expr): New.
495         (dbxout_symbol): Use it.
496
497 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
498
499         * arm.c (arm_gen_rotated_half_load): Delete.
500         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
501         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
502         (thumb_set_return_address): Likewise.
503         (thumb_load_double_from_address): Use adjust_address.
504         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
505         (extendhsisi2_mem, movhi_bytes): Use change_address.
506         (movhi): Use widen_memory_access.
507         (reload_out_df): Use replace_equiv_address.
508         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
509
510 2005-09-09  Richard Henderson  <rth@redhat.com>
511
512         PR debug/20998
513         * dbxout.c: Include expr.h.
514         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
515         (dbxout_symbol): Handle DECL_VALUE_EXPR.
516         * Makefile.in (dbxout.o): Add EXPR_H.
517
518 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
519
520         PR tree-optimization/23509
521         * tree-cfg.c (replace_uses_by): Use replace_exp.
522         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
523         pointers have name_mem_tag or type_mem_tag set.
524
525 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
526
527         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
528         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
529         of wrongly accessing operands.
530
531 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
532
533         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
534         * tree-chrec.c: Include tree-scalar-evolution.h.
535         (chrec_convert): Instantiate the base and step before calling
536         scev_probably_wraps_p that would fail on parametric evolutions.
537         Collect all the fails into a single section failed_to_convert,
538         print a diagnostic, and return chrec_dont_know instead of calling
539         fold_convert.
540         * tree-scalar-evolution.c (loop_closed_phi_def): New.
541         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
542         phi nodes.
543         (scev_const_prop): Don't replace the definition of a loop closed ssa
544         phi node by itself, or by another loop closed ssa phi node.
545         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
546         that base and step are defined.
547
548 2005-09-09  Richard Guenther  <rguenther@suse.de>
549
550         PR c++/23624
551         * fold-const.c (fold_ternary): Check truth_value_p before
552         calling invert_truthvalue.
553
554 2005-09-09  Nick Clifton  <nickc@redhat.com>
555
556         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
557         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
558         dimension of these arrays.
559         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
560         these arrays.
561         * longlong.h: Only provide a prototype for the __clz_tab[] array
562         if this header has not been included from libgcc2.h.
563         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
564         defining own types.
565         Provide prototypes for exported functions.
566         Use the __clz_tab[] and __popcount_tab[] arrays provided by
567         libgcc2.c.
568
569 2005-09-08  Josh Conner  <jconner@apple.com>
570
571         PR c++/21135
572         PR c++/23180
573         * expr.c (expand_expr_addr_expr_1): Don't invoke
574         expand_simple_binop for EXPAND_INITIALIZER.
575
576 2005-09-08  Richard Henderson  <rth@redhat.com>
577
578         PR debug/23190
579         * toplev.c (wrapup_global_declaration_1): Split out ...
580         (wrapup_global_declaration_2): ... from ...
581         (wrapup_global_declarations): ... here.  Return bool.
582         (check_global_declaration_1): Split out ...
583         (check_global_declarations): from here.
584         (emit_debug_global_declarations): New.
585         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
586         check_global_declaration_1, emit_debug_global_declarations): Declare.
587         * c-decl.c (c_write_global_declarations_1): Don't create a vector
588         of decls.  Call wrapup_global_declaration_1,
589         wrapup_global_declaration_2, check_global_declaration_1 directly.
590         (c_write_global_declarations_2): New.
591         (ext_block): New.
592         (c_write_global_declarations): Call c_write_global_declarations_2.
593         * langhooks.c (write_global_declarations): Call
594         emit_debug_global_declarations.
595
596         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
597         remove decls that have DECL_RTL_SET_P.
598         * passes.c (rest_of_decl_compilation): Invoke
599         cgraph_varpool_finalize_decl for all but functions.
600
601 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
602
603         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
604         the result of a conversion if the new min and max cannot be compared.
605
606 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
607
608         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
609         (override_options): Setting s390_sr_alias_set removed.
610         (save_fpr, save_gprs): Set alias set to vararg or frame.
611         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
612         s390_sr_alias_set with get_frame_alias_set ().
613         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
614         get_varargs_alias_set ().
615
616 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
617
618         PR objc/20574
619         PR objc/19324
620         * c-parser.c (c_parser_objc_method_definition): If the next
621         token is not "{", error out and don't start the function.
622
623 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
624
625         * tree-vrp.c (extract_range_from_expr): Move the check for non
626         nullness after the check for gimple invariant.
627
628 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
629
630         * tree.c (host_integerp, tree_low_cst): Correct function comment.
631
632 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
633
634         PR target/23747
635         * config/m32r.md (movmemsi_internal): Canonicalize order of
636         operands in PLUS component of template.
637
638 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
639
640         * reload1.c (fixup_eh_region_note): Remove assertion.
641         (fixup_abnormal_edges): Reverted removal of call to 
642         find_many_sub_basic_blocks made on 2005-08-31.
643
644 2005-09-07  Richard Henderson  <rth@redhat.com>
645
646         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
647         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
648         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
649         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
650         rearrange for better packing.
651         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
652         (lookup_cfa_1): Remove inline marker.
653         (cfa_equal_p): Split out of ...
654         (def_cfa_1): ... here.  Use INVALID_REGNUM.
655         (build_cfa_loc): Handle !cfa->indirect.
656         (frame_pointer_cfa_offset): New.
657         (dbx_reg_number): Assert register elimination performed; do
658         leaf register remapping.
659         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
660         (eliminate_reg_to_offset): New.
661         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
662         for verifiably local stack frame addresses; re-base to CFA.
663         (mem_loc_descriptor): Remove can_use_fbreg argument.
664         (concat_loc_descriptor, loc_descriptor): Likewise.
665         (containing_function_has_frame_base): Remove.
666         (rtl_for_decl_location): Don't do register elimination or
667         leaf register remapping here.
668         (secname_for_decl): Split out from ..
669         (add_location_or_const_value_attribute): ... here.
670         (convert_cfa_to_loc_list): New.
671         (compute_frame_pointer_to_cfa_displacement): New.
672         (gen_subprogram_die): Use them.
673         * tree.h (frame_base_decl): Remove.
674         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
675         (prologue_stack_adjust): Remove.
676         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
677         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
678         (set_frame_base_location): Remove.
679         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
680         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
681         (vt_add_function_parameters): Don't eliminate_regs.
682         (vt_initialize): Don't create frame_base_decl.
683
684 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
685
686         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
687         version of GNU binutils for 4.x and later.
688
689 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
690
691         * ggc-page.c (ggc_push_context): Remove.
692         (ggc_pop_context): Likewise.
693         * ggc.h (ggc_push_context): Remove.
694         (ggc_pop_context): Likewise.
695
696 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
697
698         PR target/8973
699         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
700         returning from an interrupt handler.
701
702 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
703
704         PR target/8972
705         * config/arc/arc.c (output_shift): Add check for loop count when
706         optimizing.
707
708 2005-09-06  Steven Bosscher  <stevenb@suse.de>
709
710         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
711         form manually.
712         (abs_replacement): Likewise.
713         (pass_phiopt): Remove TODO_update_ssa.
714
715 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
716
717         PR c/23075
718         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
719         if "return with no value, in function returning non-void" warning
720         has been issued.
721         * tree-cfg.c (execute_warn_function_return): Don't look at
722         RETURN_EXPRs with TREE_NO_WARNING set.
723
724         PR target/22362
725         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
726         for internal functions doesn't use registers used by global registers
727         variables.  Use fewer register parameters if there are global register
728         variables.
729
730 2005-09-06  Olivier Hainque  <hainque@adacore.com>
731             Eric Botcazou  <ebotcazou@adacore.com>
732
733         PR middle-end/14997
734         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
735         when we would be extracting outside its bit span (bitpos+bitsize
736         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
737         Ada unchecked conversions.
738
739 2005-09-06  Steven Bosscher  <stevenb@suse.de>
740
741         * tree-ssa-pre.c (try_look_through_load): New function.
742         (compute_avail): Use it to try to look through loads for some
743         more useful expressions.
744
745 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
746
747         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
748         condition for detecting cases like (a&a) and (a^a).
749
750 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
751
752         * common.opt: Add option ftree-vect-loop-version.
753         * params.def: Add --param vect-max-version-checks.
754         * doc/invoke.texi: Document ftree-vect-loop-version and
755         --param vect-max-version-checks.
756         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
757         may_misalign_stmts and defines for accessors.
758         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
759         LOOP_VINFO_MAY_MISALIGN_STMTS.
760         (destroy_loop_vec_info): VEC_free for
761         LOOP_VINFO_MAY_MISALIGN_STMTS.
762         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
763         Update documentation.
764         (vect_update_misalignment_for_peel): New.
765         (vect_enhance_data_refs_alignment): Update to choose loop
766         peeling or loop versioning if appropriate for the (potentially)
767         unaligned data references in the loop.
768         (vect_analyze_data_refs_alignment): Remove call to
769         vect_enhance_data_refs_alignment so the checks can be done
770         earlier.
771         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
772         and move up call to vect_analyze_data_refs_alignment.
773         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
774         (vect_transform_loop): Add call to loop_version.
775
776 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
777
778         PR rtl-optimization/23098
779         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
780         * simplify-rtx.c (constant_pool_reference_p): New function.
781         * rtl.h (constant_pool_reference_p): New prototype.
782         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
783         constant_pool_reference_p in condition and
784         avoid_constant_pool_reference in preparation statements.
785
786 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
787
788         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
789         STRICT_LOW_PART SETs.
790
791 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
792
793         PR middle-end/21460
794         * except.c (sjlj_emit_function_enter): Find the function begin
795         note even when it's not in first basic block.
796
797 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
798
799         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
800         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
801         * aclocal.m4: Regenerate.
802
803 2005-09-05  DJ Delorie  <dj@redhat.com>
804
805         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
806         of macro.
807
808 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
809
810         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
811         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
812         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
813         Follow spelling conventions.
814         * doc/invoke.texi: Follow spelling conventions.
815
816 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
817
818         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
819         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
820         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
821
822 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
823
824         PR target/23683
825         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
826         (output_stack_adjust): Use gen_tmp_stack_mem.
827         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
828         (sh_set_return_address, sh_allocate_initial_value): Likewise.
829         (sh_get_pr_initial_val): Likewise.
830         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
831         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
832         * sh.md (divsi_inv_m0): Use gen_const_mem.
833         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
834         (movdf_i4+1): Use gen_tmp_stack_mem.
835         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
836         (fpu_switch+2): Likewise.
837         (movv4sf_i, movv16sf_i): Use adjust_address.
838         (symGOT_load): Set MEM_NOTRAP_P bit.
839
840 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
841
842         PR target/23721
843         * pa.c (emit_move_sequence): Fix typo in last change.
844
845 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
846
847         PR rtl-optimization/23454
848         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
849         is true.
850
851 2005-09-03  Richard Henderson  <rth@redhat.com>
852             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
853
854         PR middle-end/23671
855         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
856         gen_rtx_MEM.
857
858 2005-09-02  Nicolas Pitre <nico@cam.org>
859
860         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
861         to bit_count to 32 bits.
862
863 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
864
865         PR c++/23167
866         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
867         generating synthetic loads from volatile lvalues.
868
869 005-09-02  Nick Clifton  <nickc@redhat.com>
870
871         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
872         __ctzhi2, __clzhi2): New functions.
873
874 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
875
876         PR middle-end/23547
877         * tree-nested.c (struct var_map_elt): Mark with GTY.
878         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
879         var_map_elt.
880         (lookup_field_for_decl): Allocate new element in GC memory.
881         (lookup_tramp_for_decl): Likewise.
882         (convert_nl_goto_reference): Likewise
883         (create_nesting_tree): Allocate info in GC memory. Likewise for
884         info->var_map.
885         (free_nesting_tree): Free with ggc_free instead of free.
886         (root): New static variable.
887         (lower_nested_functions): Remove root as local variable.  And zero out
888         root at the end of the function.
889
890 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
891
892         PR rtl-optimization/20365
893         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
894         to short.  New member ix.
895         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
896         (simplify_plus_minus): Initialize ix members before calling qsort.
897
898 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
899
900         PR tree-optimization/23626
901         * tree-cfg.c (replace_uses_by): Clean up eh info.
902
903 2005-09-01  DJ Delorie  <dj@redhat.com>
904
905         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
906         fprintf.
907
908 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
909
910         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
911         (rs6000_split_multireg_move): Use replace_equiv_address instead of
912         gen_rtx_MEM.
913
914 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
915
916         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
917         do not issue warning for a variable definition following
918         a declaration.
919
920 2005-09-01  Richard Henderson  <rth@redhat.com>
921
922         PR 23668
923         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
924         conversion to CONST_VECTOR.
925
926 2005-09-01  Richard Henderson  <rth@redhat.com>
927
928         PR 23676
929         * reload1.c (reload_as_needed): Check !CALL_P before calling
930         fixup_eh_region_note.
931         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
932
933 2005-09-01  DJ Delorie  <dj@redhat.com>
934
935         * varasm.c (output_constant): Let the target resolve
936         conversions of addresses to non-default pointer sizes.
937
938 2005-09-01  Nicolas Pitre <nico@cam.org>
939
940         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
941         to alow matching ARM pre-indexed addressing mode.
942         (arm_override_options): Remove now irrelevant comment.
943
944 2005-09-01  Phil Edwards  <phil@codesourcery.com>
945
946         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
947         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
948         * config/i386/vxworks.h:  Likewise.
949         * config/i386/t-vxworksae:  New file, for VxWorks AE.
950         * config/i386/vxworksae.h:  Likewise.
951
952 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
953
954         PR tree-optimization/23410
955         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
956         sequence is not wrapping during the first step.
957
958 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
959
960         PR debug/7241
961         * dwarf2out.c (base_type_die): Compare char_type_node with
962         TYPE_MAIN_VARIANT (type), not type.
963
964 2005-09-01  Richard Guenther  <rguenther@suse.de>
965
966         PR tree-optimization/15366
967         * common.opt: Add -finline-functions-called-once.
968         Put -fearly-inlining in alphabetically ordered place.
969         * doc/invoke.texi: Document new option.
970         * ipa-inline.c (cgraph_decide_inlining): Honour
971         flag_inline_functions_called_once.
972
973 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
974
975         PR rtl-optimization/23478
976         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
977         (alloc_qty): Initialize it.
978         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
979         (combine_regs): Combine also n_throwing_calls_crossed fields.
980         (find_free_reg): Don't attempt to caller-save pseudos crossing
981         calls that might throw.
982         * global.c (struct allocno): Add throwing_calls_crossed field.
983         (global_alloc): Revert 2005-08-22 change.  Initialize
984         throwing_calls_crossed.
985         (find_reg): Don't attempt to caller-save pseudos crossing calls that
986         might throw.
987
988 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
989
990         PR target/23649
991         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
992         (mask64_operand): Reinstate code prior to 2005-06-11 change.
993         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
994         (and64_2_operand): Tweak to use predicate.
995         (and_operand): Adjust for mask_operand changes.
996         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
997         (print_operand): Likewise.
998         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
999         (mask64_1or2_operand): Delete.
1000         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1001         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1002         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1003         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1004         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1005         (rotldi3_internal4): Likewise.
1006         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1007         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1008         (ashldi3_internal7): Likewise.
1009         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1010         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1011         (anddi3 split): Don't match mask64_operand.
1012         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1013         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1014         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1015         't' splitter predicate.
1016         (movdi_internal64 + 2): Revert 2005-06-11 change.
1017
1018 2005-08-31  DJ Delorie  <dj@redhat.com>
1019
1020         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1021         (m32c_asm_integer): Add support for 32 bit pointers.
1022
1023 2005-08-31  Richard Henderson  <rth@redhat.com>
1024
1025         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1026         component-like references for setting MEM_NOTRAP_P.
1027
1028         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1029         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1030
1031 2005-08-31  Richard Henderson  <rth@redhat.com>
1032
1033         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1034         into a pseudo before applying gen_lowpart.
1035
1036 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1037
1038         * doc/install.texi (Specific): Update cctools version required
1039         for full functionality.
1040         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1041         linkers as -macosx_version_min.
1042
1043 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1044
1045         PR target/21255
1046         * sh.c (print_operand, %R and %S): Add handling of floating point
1047         registers, memory, constants and invalid operands.
1048
1049 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1050
1051         * ipa-pure-const.c: Change dump name.
1052
1053 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1054
1055         PR target/23570
1056         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1057         to "reg_or_0_operand".
1058         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1059
1060 2005-08-31  Dale Johannesen  <dalej@apple.com>
1061
1062         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1063         loops that count down.
1064
1065 2005-08-31  Richard Henderson  <rth@redhat.com>
1066
1067         PR rtl-opt/23601
1068         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1069         (fixup_eh_region_note): New.
1070         (reload_as_needed): Call it.
1071         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1072         don't call find_many_sub_basic_blocks; call verify_flow_info.
1073         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1074         (keep_stack_depressed): Likewise.
1075         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1076
1077 2005-08-31  Richard Henderson  <rth@redhat.com>
1078
1079         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1080         fp return matching.
1081
1082 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1083
1084         * expr.c (expand_expr_real_1): Compare size of address 
1085         mode to target's address mode size in deciding expansion of 
1086         the constant address.
1087
1088 2005-08-31  Richard Guenther  <rguenther@suse.de>
1089
1090         PR middle-end/23477
1091         * expr.c (all_zeros_p): New function.
1092         (expand_expr_real_1): Handle the case of an all-zero
1093         non-addressable constructor separately.
1094
1095 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1096
1097         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1098         arguments, adjust all callers.
1099         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1100
1101 2005-08-30  Richard Henderson  <rth@redhat.com>
1102
1103         PR target/23630
1104         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1105         whenever the mode sizes match.
1106
1107 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1108
1109         * calls.c (load_register_parameters): Fix comment typo.
1110         * expr.c (emit_push_insn): Comment formatting.
1111
1112 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1113
1114         * config/i386/x-cygwin (host-cygwin): Change dependency from
1115         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1116
1117 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1118
1119         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1120         parts of 'vals'.
1121
1122 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1123
1124         PR middle-end/23408
1125         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1126         call to ggc_collect.
1127
1128 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1129
1130         PR bootstrap/21268
1131         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1132         beginning.  Remove $(INCLUDES) from all the rules, if following
1133         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1134
1135 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1136
1137         PR middle-end/23484
1138         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1139         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1140         not constant, but maxlen is, don't set len to maxlen, rather
1141         set maxlen to len if len is a constant.
1142
1143 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1144
1145         PR tree-optimization/23475
1146         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1147         and counts.
1148
1149 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1150
1151         Fix PR middle-end/22455
1152
1153         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1154         Checksum only the parts of the tree that exist for the tree code.
1155
1156 2005-08-28  Dale Johannesen  <dalej@apple.com>
1157
1158         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1159
1160 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1161
1162         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1163
1164 2005-08-28  Richard Henderson  <rth@redhat.com>
1165
1166         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1167         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1168         of char_type_node.
1169
1170 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1171
1172         PR ada/23593
1173         * builtins.c (get_memory_rtx): Don't strip nops
1174         in between COMPONENT_REFs.
1175
1176 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1177
1178         PR middle-end/23463
1179         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1180         types.
1181         (gimplify_modify_expr): Check for zero sized types and gimplify the
1182         rhs and lhs as statements.
1183
1184 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1185
1186         PR libgcj/23508
1187         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1188         state for return address column of signal frames.
1189
1190 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1191
1192         PR target/23539
1193         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1194         bytes >= 2 not bytes == 2.
1195         (expand_block_move): Same.
1196
1197 2005-08-27  Richard Guenther  <rguenther@suse.de>
1198
1199         PR target/23575
1200         * config/i386/sse.md (sse2_movsd): Add missing closing
1201         braces.
1202
1203 2005-08-27  Paul Brook  <paul@codesourcery.com>
1204
1205         * genrecog.c (enum decision_type): Add DT_num_insns.
1206         (struct decision_test): Add u.num_insns.
1207         (add_to_sequence): Add DT_num_insns test.
1208         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1209         (write_cond, debug_decision_2): Ditto.
1210         (change_state): Assume peep2_next_insn never fails.
1211         Remove "afterward" argument.
1212         (write afterward, write_tree): Update to match.
1213         * recog.c (peep2_current_count): New variable.
1214         (peep2_next_insn): Check it.
1215         (peephole2_optimize): Set peep2_current_count.
1216         * recog.h (peep2_current_count): Declare.
1217
1218 2005-08-26  Josh Conner  <jconner@apple.com>
1219
1220         PR middle-end/23584
1221         * ipa-pure-const.c (check_tree): Check for volatile-ness
1222         when considering a dereference.
1223
1224 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1225
1226         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1227
1228 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1229
1230         PR rtl-optimization/23561
1231         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1232         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1233         at most LEN bytes long memory fits into the field.
1234         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1235         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1236         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1237
1238 2005-08-26  Richard Henderson  <rth@redhat.com>
1239
1240         PR rtl-opt/23560
1241         * loop.c (biased_biv_may_wrap_p): New.
1242         (maybe_eliminate_biv_1): Use it to suppress non-equality
1243         comparison transformations.  Delete disabled code.
1244
1245 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1246
1247         * combine.c (make_extraction): Avoid reference outside object.
1248
1249 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1250
1251         * stor-layout.c (finalize_type_size): Restore behaviour for
1252         non-aggregate types to the status quo ante of the patch for
1253         pr 23467.  Document why it matters.
1254
1255 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR c/23506
1258         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1259         array by one element, initialize the BT_LAST element with NULL.
1260
1261 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1262
1263         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1264         optimizing for size.
1265         (plus_eqsi): Same.
1266         (compare_plus_eqsi): Same.
1267         (plus_eqsi_compare): Same.
1268         (neg_eq0<mode>): Same.
1269         (neg_eq<mode>): Same.
1270
1271         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1272         PROCESSOR_POWER4.
1273
1274 2005-08-26  Nick Clifton  <nickc@redhat.com>
1275
1276         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1277         TARGET_EP is not defined.
1278         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1279         TARGET_EP is enabled.
1280         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1281         * config/v850/v850.md (save_all_interrupt): Only use the EP
1282         register if TARGET_EP is defined.
1283         (restore_all_interrupt): Likewise.
1284         * config/v850/lib1funcs.asm: Update functions so that the EP
1285         register is only used if __EP__ is defined.
1286
1287 2005-08-26  David Ung  <davidu@mips.com>
1288
1289         * config/mips/mips.c (mips_expand_prologue): Handle case when
1290         generating for MIPS16 and the outgoing argument area is more than
1291         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1292         add instruction.
1293
1294 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1295
1296         * config/crx/crx.md: Make doloop_end pattern usage controllable
1297         via mloop-nesting=<max-nesting> command line switch. Make sure
1298         the combiner cannot use doloop_end_<mode> in an illegal way.
1299         * config/crx/crx.c: Use regs up to r6 for argument passing.
1300         Refine crx_address_cost (non cst4 displacements are expensive).
1301         * config/crx/crx.opt: Add switch for mloop-nesting=.
1302
1303 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1304
1305         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1306         (UNSPEC_MVST): New constant.
1307
1308 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1309
1310         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1311         Reject operands containing eliminable registers.
1312         * testsuite/gcc.dg/20050825-1.c: New testcase.
1313
1314 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1315             Jan Hubicka  <jh@suse.cz>
1316
1317         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1318
1319 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1320
1321         PR tree-optimization/23546
1322         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1323         and REAL_CST nodes.
1324
1325 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1326
1327         * params.def (PARAM_MIN_SPEC_PROB): New.
1328         * sched-rgn.c (MIN_PROBABILITY): Delete.
1329         (compute_trg_info): Convert to PARAM_VALUE.
1330         * doc/invoke.texi (param): Document min-spec-prob.
1331
1332 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1333
1334         * config/darwin.h: define __PIC__
1335         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1336         TARGET_OS_CPP_BUILTINS macro.
1337
1338 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1339
1340         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1341         yesterday.
1342
1343 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1344
1345         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1346         to duplicate_block.
1347         * cfghooks.c (duplicate_block): Added position where to place
1348         new block as argument.
1349         * cfghooks.h (duplicate_block): Declaration changed.
1350         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1351         duplicate_block.
1352         * cfglayout.h (copy_bbs): Declaration changed.
1353         * cfgloop.h (loop_version): Declaration changed.
1354         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1355         position to copy_bbs.
1356         (loop_version): Pass position to duplicate_loop_to_header_edge.
1357         Add place_after argument and position new blocks according to
1358         it.
1359         * modulo-sched.c (sms_schedule): Pass place_after argument
1360         to loop_version.
1361         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1362         * tree-cfg.c (split_edge_bb_loc): New function.
1363         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1364         to determine position of new blocks.
1365         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1366         to loop_version.
1367         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1368         argument to duplicate_block.
1369         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1370         Pass position to copy_bbs.
1371
1372 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1373
1374         * fold-const.c (ptr_difference_const): Use
1375         cst_and_fits_in_hwi instead of host_integerp.
1376
1377 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1378
1379         * config/darwin.c (gen_pic_offset): New.
1380         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1381         Use it.
1382
1383 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1384
1385         PR tree-optimization/23486
1386         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1387
1388 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1389
1390         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1391         remove use_collect2.
1392         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1393
1394         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1395         configuration files to override the default value.
1396
1397         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1398         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1399         * config/vx-common.h:  New file, split out from...
1400         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1401         * config/vxworksae.h:  New file, for VxWorks AE.
1402         * config/vxworks.opt:  New file.
1403         * config/vxlib.c:  Update for VxWorks 6.
1404
1405         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1406         other MULTILIB_* variables appropriately.
1407         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1408         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1409         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1410         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1411
1412 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1413
1414         PR target/20799
1415         * config/darwin.c (machopic_select_section): Remove the hack to
1416         mark "::operator new" and "::operator delete" for coalescing
1417         even though they are not weak.
1418
1419 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1420
1421         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1422         * configure: Regenerate.
1423
1424 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1425
1426         PR middle-end/23517
1427         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1428         between vectors.
1429         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1430         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1431         Likewise.
1432
1433 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1434
1435         * config/rs6000/predicates.md (equality_operator): New.
1436         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1437         comparison with a large constant.
1438
1439 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1440
1441         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1442
1443 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1444
1445         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1446         registers is even, and we have a hardware double precision fp,
1447         align the buffer.
1448         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1449         size of current argument when checking if argument was passed in
1450         registers.
1451
1452         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1453
1454         PR middle-end/23467
1455         * stor-layout.c (finalize_type_size): Dont override
1456         existing alignment with a smaller alignment from the mode.
1457
1458 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1459
1460         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1461         * lambda.h (lambda_vector_lexico_pos): ... here.
1462         * tree-data-ref.c (build_classic_dist_vector): Return false when
1463         the distance vector is lexicographically negative.
1464
1465 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1466
1467         PR tree-optimization/23511
1468         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1469         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1470
1471 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1472
1473         PR tree-optimization/22043
1474         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1475         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1476         If ALLOW_FLEXARR, handle types ending with flexible array member.
1477         Pass false as second argument to recursive count_type_elements calls.
1478         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1479         argument to count_type_elements call.
1480         * tree-sra.c (decide_block_copy): Likewise.
1481         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1482         for a constant-sized object, set cleared as well.  Pass true as
1483         second argument to count_type_elements call.
1484
1485 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1486
1487         PR target/21571
1488         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1489         from legitimate_small_data_p, and make global.  Update use.
1490         Remove forward declaration.
1491         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1492         Declare.
1493         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1494
1495 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1496
1497         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1498         of scratch intermediates.
1499         (eq<mode>_compare): Same.
1500         (neg_eq0<mode>): New.
1501         (neg_eq<mode>): Convert to define_insn_and_split.
1502
1503 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1504
1505         PR target/23070
1506         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1507         stdarg functions, set/clear the fp marker even when no variable
1508         args are passed.
1509         * config/rs6000/sysv4.opt (mprototype): Describe.
1510
1511 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1512
1513         PR rtl-optimization/23478
1514         * regs.h (reg_info): Add throw_calls_crossed.
1515         (REG_N_THROWING_CALLS_CROSSED): Define.
1516         * flow.c (allocate_reg_life_data): Initialize
1517         REG_N_THROWING_CALLS_CROSSED.
1518         (propagate_one_insn, attempt_auto_inc): Update
1519         REG_N_THROWING_CALLS_CROSSED.
1520         * global.c (global_alloc): Don't allocate pseudos across
1521         calls that may throw.
1522
1523 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1524
1525         PR c/18715
1526         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1527         value is inbetween the range if we did not find an exact match.
1528
1529 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1530
1531         * doc/invoke.texi (Option Summary): Add ms1 options.
1532         * doc/extend.texi: Document interrupt handler attribute for ms1.
1533         * doc/md.texi: Document ms1 constraints.
1534         * config.gcc: Add ms1-*-elf.
1535         * config/ms1/ms1.h: New.
1536         * config/ms1/ms1.c: New.
1537         * config/ms1/ms1.md: New.
1538         * config/ms1/ms1-protos.h: New.
1539         * config/ms1/ABI.txt: New.
1540         * config/ms1/crti.asm: New.
1541         * config/ms1/crtn.asm: New.
1542         * config/ms1/lib2extra-funcs.c: New.
1543         * config/ms1/t-ms1: New.
1544         * config/ms1/ms1.opt: New.
1545
1546 2005-08-22 Ira Rosen <irar@il.ibm.com>
1547
1548         * config/rs6000/altivec.md (xorv4sf3): New.
1549         (negv4sf2, neg<mode>2): Likewise.
1550
1551 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1552
1553         PR target/23485
1554         * config/ia64/ia64.md (divsi3): Check divide by zero.
1555         (udivsi3): Likewise.
1556         (divdi3): Likewise.
1557         (udivdi3): Likewise.
1558
1559 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1560
1561         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1562         up to elem_bitsize bits, not max_bitsize.
1563
1564 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1565
1566         PR tree-optimization/23433
1567         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1568         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1569
1570 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1571
1572         PR tree-optimization/23434
1573         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1574         the iteration bound is not an INTEGER_CST.
1575
1576 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1577
1578         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1579         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1580         NULL if need_epilog_adjust is false.
1581         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1582         Case 3 always peels first itration, not just for PLUS case, and no need
1583         to use scalar_initial_def here. Create an epilog adjustment only if
1584         scalar_initial_def is not NULL.
1585
1586         (vectorizable_reduction): Remove assert. 
1587
1588 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1589
1590         PR target/23485
1591         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1592         (__moddi3): Likewise.
1593         (__udivdi3): Likewise.
1594         (__umoddi3): Likewise.
1595         (__divsi3): Likewise.
1596         (__modsi3): Likewise.
1597         (__udivsi3): Likewise.
1598         (__umodsi3): Likewise.
1599
1600 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1601
1602         * tree-pass.h (TDF_GRAPH): Define.
1603         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1604         * passes.c (finish_optimization_passes): Only call
1605         finish_graph_dump_file if TDF_GRAPH is set.
1606         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1607         NULL.  Set TDF_GRAPH bit.
1608         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1609
1610 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1611
1612         * arm.h (arm_stack_offsets): Add locals_base field.
1613         * arm.c (arm_get_frame_offsets): Compute it.
1614         (thumb_compute_initial_elimination offset): Make the Thumb frame
1615         pointer point to the base of the local variables.
1616         (thumb_expand_prologue): Update accordingly.
1617         (thumb_expand_epilogue): Likewise.
1618
1619         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1620         mode of clobbered scratch to DImode.  Handle a case that's known to
1621         need this.
1622
1623 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1624
1625         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1626         (gt0<mode>_compare): Delete.
1627         (neg_gt0<mode>): Delete.
1628
1629 2005-08-19  Eric Christopher  <echristo@apple.com>
1630
1631         * optabs.h: Change CTI_ to COI_.
1632         * optabs.c: Ditto.
1633
1634 2005-08-19  James E Wilson  <wilson@specifix.com>
1635
1636         * builtins.c (expand_builtin_return_addr): Set
1637         current_function_accesses_prior_frames when count != 0.  Use
1638         frame_pointer_rtx when count == 0.
1639         * function.h (struct function): Add accesses_prior_frames field.
1640         (current_function_accesses_prior_frames): Define.
1641         * reload1.c (init_elim_table): Check
1642         current_function_accesses_prior_frames.
1643         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1644
1645 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1646
1647         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1648         indicator.  Return true if the flowgraph changed during
1649         cleanup.
1650
1651 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1652
1653         PR 23476
1654         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1655         conditional expression before testing its value.
1656
1657 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1658
1659         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1660
1661 2005-08-19  Devang Patel  <dpatel@apple.com>
1662
1663         PR tree-optimization/23048
1664         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1665         third parameter. Check whether latch is dominated by exit
1666         block or not.
1667         (if_convertible_loop_p): Supply exit block itself to
1668         if_convertible_bb_p.
1669
1670 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1671
1672         PR target/23473
1673         * arm.md (arm_load_pic_register): Change argument to the mask of
1674         saved registers.  Call thumb_find_work_register if we need a
1675         scratch register on Thumb.
1676         (arm_expand_prologue): Pass empty register set to
1677         arm_load_pic_register.
1678         (thumb_expand_prologue): Pass live_regs_mask directly to
1679         arm_load_pic_register.
1680         * arm-protos.h (arm_load_pic_register): Update prototype.
1681
1682 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1683
1684         * sh.c (find_sole_member): New function.
1685         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1686         if the record's alignment is larger than the size of its only member.
1687
1688 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1689
1690         PR target/23436
1691         * arm.c (thumb_legitimize_reload_address): New function.
1692         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1693         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1694
1695 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1696
1697         * config/crx/crx.c: Implement crx_decompose_address. Reject
1698         symbolic displacements since CRX register relative adressing
1699         mode can't handle unsigned 32-bit values as displacements.
1700         * config/crx/crx.h: Simplify definitions, remove redundant
1701         parenthesis and obsolete macros.
1702         * config/crx/crx.opt: Add new switch for debugging addresses.
1703         * config/crx/crx-protos.h: Add new declarations for above.
1704
1705 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1706
1707         PR middle-end/20624
1708         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1709         looking past it.
1710
1711 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1712
1713         * collect2.c (dup2): Delete.
1714         * configure.ac: Don't check for dup2.
1715
1716         * config.in, configure: Regenerate.
1717
1718 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1719
1720         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1721         record with the type of its only member.
1722
1723 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1724
1725         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1726         define_insn_and_split.
1727         (plus_ltu<mode>_compare): Same.
1728         (gtu<mode>_compare): Same.
1729         (plus_gtu<mode>_compare): Same.
1730
1731 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1732
1733         PR tree-optimization/22228
1734         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1735         todo_flags_start.
1736         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1737         are recorded in vect_vnames_to_rename for renaming.
1738         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1739         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1740         in vect_vnames_to_rename.
1741         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1742         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1743
1744 2005-08-18  Jan Hubicka  <jh@suse.cz>
1745
1746         PR c++/22034
1747         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1748         info only for local statics, not for member variables.
1749
1750 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1751
1752         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1753
1754 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1755
1756         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1757
1758 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1759
1760         PR middle-end/16045
1761         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1762
1763 2005-08-17  James E Wilson  <wilson@specifix.com>
1764
1765         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1766         array size check.
1767
1768 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1769
1770         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1771         (leu<mode>_compare): Same.
1772         (plus_leu<mode>): Same.
1773         (neg_leu<mode>): Same.
1774         (and_neg_leu<mode): Same.
1775         (ltu<mode>_compare): Same.
1776         (plus_ltu<mode>): Same.
1777         (geu<mode>): Same.
1778         (geu<mode>_compare): Same.
1779         (plus_geu<mode>): Same.
1780         (neg_geu<mode>): Same.
1781         (and_neg_geu<mode>): Same.
1782         (plus_gt<mode>): Same.
1783         (gtu<mode>_compare): Same.
1784         (plus_gtu<mode>): Same.
1785
1786 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1787
1788         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1789         Move call_table_data to end.  Delete spurious .text.
1790         (callt_save_all_interrupt): Fix comment typo.
1791
1792 2005-08-17  James E Wilson  <wilson@specifix.com>
1793             Kevin Winchester  <winchester@amirix.com>
1794
1795         PR target/21684
1796         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1797
1798 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1799
1800         PR target/23268
1801         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1802         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1803
1804 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1805
1806         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1807         record with the type of its only member if the modes don't match.
1808
1809         * varasm.c (decode_reg_name): Skip empty additional register names.
1810
1811 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1812
1813         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1814         lsm_tmp_name_length): New.
1815         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1816         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1817
1818 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1819             Andreas Krebbel  <krebbel1@de.ibm.com>
1820
1821         * config.gcc: Added z9-109 switch.
1822         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1823         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1824         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1825         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1826         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1827         for "z9_109" cpu attribute.
1828         * config/s390/s390.c (z9_109_cost): New processor cost structure.
1829         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1830         (s390_handle_arch_option): Added z9-109 switch.
1831         (override_options): Set respective cost function for z9-109.
1832         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1833         (legitimate_reload_constant_p): Accept extended immediates.
1834         (print_operand): Three new output modifiers added: k, m and o.
1835         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1836         (s390_output_mi_thunk): Use extended immediate when possible.
1837         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1838         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1839         (CONSTRAINT_LEN): Added length of O constraint.
1840         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1841         * config/s390/s390.md ("cpu"): New value z9_109 added.
1842         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1843         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1844         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1845         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1846         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1847         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1848         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1849         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1850         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1851         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1852         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1853         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1854         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1855         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1856         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1857         immediates.
1858         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1859         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1860         insns for TARGET_EXTIMM.
1861
1862 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1863
1864         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1865
1866 2005-08-17  Nick Clifton  <nickc@redhat.com>
1867
1868         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1869         Call default_encode_section_info.
1870
1871 2005-08-17  Steven Bosscher  <stevenb@suse.de>
1872
1873         PR tree-optimization/21574
1874         * tree-ssa-ccp.c (likely_value): If the right hand side is a
1875         constant, return CONSTANT.
1876         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1877         (ccp_fold, visit_assignment): Likewise.
1878         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1879
1880 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1881
1882         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1883         fold_buildN instead of buildN then fold_initializer or fold.
1884         (build_unary_op): Likewise.
1885         (build_binary_op): Likewise.
1886         * fold-const.c (fold_initializer): Remove.
1887         (fold_build1_initializer): New function.
1888         (fold_build2_initializer): New function.
1889         (fold_build3_initializer): New function.
1890         * tree.h (fold_initializer): Remove.
1891         (fold_build1_initializer): New function.
1892         (fold_build2_initializer): New function.
1893         (fold_build3_initializer): New function.
1894
1895 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1896
1897         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1898         (try_move_mult_to_index): Call fold_build2 instead of build2.
1899         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1900         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1901         fold_binary_to_constant.
1902         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1903         fold (build.
1904         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1905         check if A == gcd (A, B).  Remove TYPE argument.
1906         (analyze_offset) Use fold_build2 instead of fold (build.
1907         (create_data_ref): Likewise.
1908         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1909         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1910         then fold.
1911
1912 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
1913
1914         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1915         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1916
1917 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
1918
1919         PR tree-opt/23402
1920         * gimplify.c (zero_sized_type): New function.
1921         (gimplify_modify_expr_rhs): If we have a zero sized type,
1922         replace the statement with an empty statement.
1923
1924 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1927         fxsave.
1928
1929 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1930
1931         * doc/tm.texi (Label Output): Correct typo.
1932
1933 2005-08-16  Steven Bosscher  <stevenb@suse.de>
1934
1935         PR target/23376
1936         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1937         force_operand will work later on using have_insn_for.
1938
1939 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1940
1941         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1942
1943 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1944
1945         PR c++/23337
1946         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1947         vector type, don't try to construct it element by element.  Add an
1948         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1949
1950 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1951
1952         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1953
1954 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
1955
1956         * doc/invoke.texi (Precompiled Headers): Document some more options
1957         which are known to be safe.
1958
1959 2005-08-16  James E Wilson  <wilson@specifix.com>
1960
1961         PR tree-optimization/21105
1962         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1963         TREE_OVERFLOW check.
1964
1965 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
1966
1967         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1968         (neg_ltu<mode>): Same.
1969         (gtu<mode>): Same.
1970         (neg_gtu<mode>): Same.
1971
1972 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1973
1974         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1975         (fold_builtin_isdigit): Use fold_buildN.
1976         (build_function_call_expr): Likewise.
1977         * c-typeck.c (c_finish_loop): Likewise.
1978
1979 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
1980             Richard Shann <rshann@superh.com>
1981
1982         PR middle-end/20396:
1983         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1984
1985 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
1986
1987         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1988
1989 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1990
1991         PR target/23355
1992         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1993         arm_compure_save_reg0_reg12_mask to determine when the PIC register
1994         must be saved.
1995
1996 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1997
1998         PR middle-end/23369
1999         * fold-const.c (build_range_check): Disable optimization for function
2000         pointer expressions on targets that require function pointer
2001         canonicalization.
2002
2003 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2004
2005         * simplify-rtx.c (simplify_const_relational_operation): When
2006         extracting arguments of a COMPARE, recompute the mode as well.
2007
2008 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2009
2010         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2011
2012 2005-08-15  DJ Delorie  <dj@redhat.com>
2013
2014         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2015         the stack.
2016         (movsi_splittable): Allow, but split, moves to the stack.
2017         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2018         stack.
2019
2020 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2021
2022         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2023         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2024         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2025
2026         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2027         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2028         Delete HOST_PTR_PRINTF.
2029
2030         * configure, config.in: Regenerate.
2031
2032 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2033
2034         * config/rs6000/rs6000.md (QHSI): New mode macro.
2035         (wd): Extend mode attr for QImode and HImode
2036         (dbits): New mode attr.
2037         (zero_extend<mode>di2): Convert to mode macro.
2038
2039 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2040
2041         PR target/21841
2042         * doc/invoke.texi (-mgnu-ld): Update description.
2043         (-mhp-ld): Ditto.
2044
2045 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2046
2047         PR 23391
2048         * Makefile.in (tree-chrec.o): Depends on real.h.
2049         * tree-chrec.c: Include real.h.
2050         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2051         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2052         * tree-scalar-evolution.c (add_to_evolution_1,
2053         interpret_rhs_modify_expr): Ditto.
2054
2055 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2056
2057         PR 23386
2058         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2059         step is negative compute the estimation from init downwards to zero.
2060
2061 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2062
2063         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2064
2065 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2066
2067         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2068         constraint.
2069         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2070         Accept double-word constants that can be split.
2071         * config/s390/s390.md ("movti"): Use 'P' constraint.
2072         ("*movdi_31", "*movdf_31"): Likewise.
2073
2074 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2075
2076         Fix PR tree-optimization/22615
2077
2078         * tree-ssa-structalias.c (solution_set_add): Handle
2079         first_vi_for_offset returning NULL.
2080         (do_da_constraint): Ditto.
2081         (do_sd_constraint): Ditto.
2082         (do_ds_constraint): Ditto
2083         (find_func_aliases): Ditto.
2084         (build_constraint_graph): RHS is allowed be ANYTHING.
2085         (first_vi_for_offset): Return NULL if we couldn't find anything at
2086         the offset.
2087
2088 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2089
2090         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2091         over memory as first operand.
2092
2093 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2094
2095         PR target/23360
2096         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2097         available for setting it.
2098
2099 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2100
2101         PR tree-optimization/23320
2102         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2103         data-refs' types instead of base object nullness. Add check for
2104         pointer type data-refs before first location comparison. Remove
2105         assert.
2106
2107 2005-08-14  Andreas Schwab  <schwab@suse.de>
2108
2109         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2110
2111 2005-08-13  James E Wilson  <wilson@specifix.com>
2112
2113         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2114         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2115         -fstack-protector-all, --param ssp-buffer-size): Document.
2116         (-Wvariadic-macros): Alphabetize.
2117         (-fsched-stalled-insns-dep): Add missing 'f'.
2118
2119         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2120         macros.
2121
2122 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2123
2124         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2125         or indirect address operand.
2126         (EXTRA_ADDRESS_CONSTRAINT): New.
2127         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2128
2129 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2130
2131         PR tree-optimization/22236
2132         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2133         successors and predecessors.
2134         * tree-chrec.c (chrec_convert): Before converting, check that
2135         sequences don't wrap.
2136         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2137         (analyze_array): Extern.
2138         (find_data_references_in_loop): Remove call to
2139         compute_estimated_nb_iterations.
2140         * tree-data-ref.h (analyze_array): Declared.
2141         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2142         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2143         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2144         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2145         condition.
2146         * tree-ssa-loop-ivcanon.c: Fix documentation.
2147         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2148         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2149         (infer_loop_bounds_from_undefined): New.
2150         (estimate_numbers_of_iterations_loop): Use
2151         infer_loop_bounds_from_undefined.
2152         (used_in_pointer_arithmetic_p): New.
2153         (scev_probably_wraps_p): Pass an extra parameter.  Call
2154         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2155         (convert_step): Fix documentation.
2156         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2157         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2158         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2159         scev_probably_wraps_p.
2160
2161 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2162
2163         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2164         (s390_register_info): Ignore clobbered_regs information for fixed
2165         registers, and only fixed registers.
2166         (s390_init_frame_layout): Remove redundant call.
2167
2168 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2169
2170         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2171         description of -Wold-style-casts.
2172
2173 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2174             Jakub Jelinek  <jakub@redhat.com>
2175
2176         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2177         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2178         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2179         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2180         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2181         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2182         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2183         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2184         ("stack_protect_set", "stack_protect_test"): New expanders.
2185         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2186         "stack_protect_testdi"): New insn definitions.
2187
2188 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2189
2190         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2191
2192 2005-08-12  Paul Brook  <paul@codesourcery.com>
2193
2194         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2195
2196 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2197
2198         * config/s390/predicates.md (setmem_operand): New predicate.
2199         (shift_count_operand): Accept ANDs with special constants as
2200         operand.
2201         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2202         with special constants.
2203         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2204         shift_count_operand with setmem_operand.
2205
2206 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2207
2208         * config/s390/s390.c (s390_extract_part, s390_single_part):
2209         Type cast added.
2210         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2211         (s390_output_mi_thunk): Don't use lg on 31 bit.
2212         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2213         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2214
2215 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2216
2217         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2218         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2219         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2220         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2221         with one of the new macros.
2222
2223 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2224
2225         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2226         Don't set save_return_addr_p.
2227         (s390_register_info): Make clobbered_regs not depending on
2228         save_return_addr_p.
2229
2230 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2231
2232         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2233         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2234
2235 2005-08-11  James E. Wilson  <wilson@specifix.com>
2236
2237         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2238
2239 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2240
2241         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2242         locations gathered by var-tracking in single entry loc_list
2243         over loc_descriptor_from_tree.
2244
2245         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2246         pass it down to loc_descriptor.
2247         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2248         (containing_function_has_frame_base): Move earlier in the file.
2249         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2250         instead of always assuming fbreg can't be used.
2251
2252 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2253
2254         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2255         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2256         Accept address wrapped in AND for Altivec.
2257         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2258         Strip AND wrapping offset address for Altivec.
2259
2260 2005-08-11  Richard Henderson  <rth@redhat.com>
2261
2262         PR middle-end/23312
2263         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2264         before using TYPE_IS_SIZETYPE.
2265
2266 2005-08-11  Richard Henderson  <rth@redhat.com>
2267
2268         PR target/22225
2269         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2270         insn types not present on ev4.
2271         (alphaev5_insn_pipe): Similarly.
2272
2273 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2274
2275         PR target/23250
2276         * arm.c (arm_override_options): If the user has selected callee-super-
2277         interworking, then enable normal interworking.
2278
2279 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2280
2281         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2282         redefinition.
2283
2284 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2285
2286         * doc/rtl.texi: Fix two typos.
2287
2288 2005-08-11  Richard Guenther  <rguenther@suse.de>
2289
2290         PR target/23289
2291         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2292         cases where we call to/from functions returning void.
2293
2294 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2295
2296         PR c++/23225
2297         * tree.c (build_pointer_type_for_mode): Robustify.
2298
2299 2005-08-10  James E Wilson  <wilson@specifix.com>
2300
2301         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2302         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2303
2304         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2305         "cum->".
2306
2307 2005-08-10  Eric Christopher  <echristo@apple.com>
2308
2309         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2310         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2311         V2DFmode.
2312
2313 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2314
2315         PR target/21887
2316         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2317         for the high part when generating dynamic-no-pic code.
2318
2319 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2320
2321         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2322         (x86_64-*-linux*): Likewise.
2323
2324         * config/i386/crtfastmath.c: New file.
2325         * config/i386/t-crtfm: Likewise.
2326
2327         * config/i386/linux.h (ENDFILE_SPEC): New.
2328         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2329
2330         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2331         crtfastmath.o.
2332
2333 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2334
2335         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2336         (vec_shl, vec_shr): Document new operations.
2337         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2338
2339 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2340
2341         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2342         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2343         change predicate to indexed_or_indirect_address.
2344
2345 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2346
2347         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2348         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2349         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2350         and __aeabi_uwrite8.
2351         * config/arm/unaligned-funcs.c: New file.
2352         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2353
2354 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2355
2356         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2357         Add dump.
2358         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2359         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2360         Add dump.
2361         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2362         * final.c (pass_shorten_branches): Add dump.
2363         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2364         (pass_life): Rename dump.
2365         (rest_of_handle_flow2): Remove initial verify_flow_info.
2366         * function.c (pass_instantiate_virtual_regs): Add dump.
2367         * integrate.c (pass_initial_value_sets): Add dump.
2368         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2369         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2370         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2371         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2372         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2373         gate_rtl_unrool_and_peel_loops): New.
2374         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2375         rtl_doloop): Do not look at flags.
2376         * mode-switching.c (pass_mode_switching): Add dump.
2377         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2378         pass_split_before_regstack): Add dump.
2379         * regmove.c (pass_stack_adjustments): Add dump.
2380         * tree-optimize.c (pass_fixup_cfg): Add dump.
2381
2382 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2383
2384         PR 23309
2385         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2386         deciding which instruction sequence to use.
2387
2388 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2389
2390         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2391         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2392
2393 2005-08-09  Richard Guenther  <rguenther@suse.de>
2394
2395         * c-common.c (builtin_function_2): Remove.
2396         (def_builtin_1): New function.
2397         (c_common_nodes_and_builtins): Use def_builtin_1 to
2398         build builtin functions.
2399
2400 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2401
2402         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2403         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2404         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2405         Visual DSP.
2406
2407 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2408
2409         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2410         fold_binary instead of fold_build2 since we don't care about the
2411         resulting tree.
2412         (loop_niter_by_eval): Likewise.
2413         (compare_trees): Likewise.
2414         (proved_non_wrapping_p): Likewise.
2415
2416 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2417
2418         PR c/23161
2419         PR c/23165
2420         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2421         if the if is really empty.
2422
2423 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2424
2425         PR tree-optimization/23234
2426         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2427         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2428         argument of the new enum.
2429         (execute_cse_reciprocals): Add reciprocals for function arguments
2430         on the unique successor edge of the entry block.  Update other calls
2431         to execute_cse_reciprocals_1.
2432
2433 2005-08-08  Richard Henderson  <rth@redhat.com>
2434
2435         PR 22439
2436         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2437
2438 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2439
2440         * expr.c (write_complex_part): Return after handling MEM.
2441
2442 2005-08-08  Josh Conner  <jconner@apple.com>
2443
2444         PR rtl-optimization/23241
2445         * combine.c (simplify_comparison): Fix error in determining
2446         whether to lift a subreg from comparison.
2447
2448 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2449
2450         PR target/18506
2451         * config/rs6000/altivec.md (vec_init<mode>): New.
2452         (vec_set<mode>): New.
2453         (vec_extract<mode>): New.
2454         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2455         (rs6000_expand_vector_set): New.
2456         (rs6000_expand_vector_extract): New.
2457         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2458         for Altivec modes before reload.
2459         (altivec_expand_vec_init_builtin): New.
2460         (get_element_number): New.
2461         (altivec_expand_vec_set_builtin): New.
2462         (altivec_expand_vec_ext_builtin): New.
2463         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2464         builtins.
2465         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2466         builtins.
2467         * config/rs6000/rs6000.h (rs6000_builtins): Add
2468         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2469         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2470         * config/rs6000/rs6000-protos.h: Declare new functions.
2471
2472 2005-08-08  Jan Hubicka  <jh@suse.cz>
2473
2474         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2475         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2476         * i386.md (movdi*): Use pic_32bit_operand.
2477         * predicates.md (pic_32bit_operand): New.
2478
2479 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2480
2481         PR c++/21166
2482         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2483
2484 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2485
2486         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2487         (test_for_singularity): Use fold_build2.
2488
2489 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2490
2491         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2492
2493 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2494
2495         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2496         (COMMON_ASM_OP) Define.
2497         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2498         (ix86_encode_section_info): Likewise.
2499         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2500         SUBTARGET_ENCODE_SECTION_INFO.
2501
2502 2005-08-06  Richard Henderson  <rth@redhat.com>
2503
2504         PR 21894
2505         * tree-nested.c (convert_local_reference): Save and restore val_only
2506         around component_ref and friends.  Clear walk_subtrees by default.
2507
2508 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2509
2510         PR 21366
2511         * gcc.c (process_command): Check the argument to -b has a dash.
2512         * doc/invoke.texi: Update -b and -V docs.
2513
2514 2005-08-06  James E Wilson  <wilson@specifix.com>
2515
2516         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2517
2518 2005-08-06  Michael Matz  <matz@suse.de>
2519
2520         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2521         member only if only one insn is associated with the value.
2522
2523 2005-08-06  Nick Clifton  <nickc@redhat.com>
2524
2525         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2526         New define.
2527         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2528         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2529         Check symbol flags instead of symbol name mangling.
2530         (xstormy16_asm_output_aligned_common): Likewise.  Also
2531         simplify code since the bss100_section cass is the only case
2532         where the below100 code will be triggered.
2533         (xstormy16_encode_section_info): Encode below100 attribute
2534         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2535         the name.
2536         (xstormy16_strip_name_encoding): Delete - this function is no
2537         longer needed.
2538         (TARGET_STRIP_NAME_ENCODING): Undefine.
2539         * config/stormy16/stormy16-protos.h: Delete prototype for
2540         xstormy16_strip_name_encoding.
2541
2542 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2543
2544         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2545         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2546         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2547         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2548         config/alpha/predicates.md, config/arc/arc.h,
2549         config/arm/arm.h, config/arm/ieee754-df.S,
2550         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2551         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2552         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2553         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2554         config/m68hc11/m68hc11.h, config/mips/mips.c,
2555         config/mips/mips.h, config/mips/openbsd.h,
2556         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2557         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2558         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2559         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2560         config/sparc/linux.h, config/sparc/linux64.h,
2561         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2562         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2563         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2564         typos.  Follow spelling conventions.
2565
2566 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2567
2568         PR c/23113
2569         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2570         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2571         specially.  Check for side effects only for COND_EXPR.
2572         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2573         return with TREE_NO_WARNING.
2574
2575 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2576
2577         PR rtl-optimization/23233
2578         * loop.c (combine_movables): Require the modes to be the same.
2579         (move_movables): Remove handling of cases where the replacement
2580         had a different mode to the original.
2581
2582 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2583
2584         PR tree-optimization/23128
2585         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2586         subtraction wrap, and set TREE_OVERFLOW if they do.
2587
2588 2005-08-05  Richard Henderson  <rth@redhat.com>
2589
2590         PR 21728
2591         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2592         FORCED_LABEL labels.
2593
2594 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2595
2596         PR middle-end/23135
2597         * reload.c (find_reloads_subreg_address): Pass down TYPE
2598         unchanged.  Change all callers except find_reloads_toplev.
2599
2600 2005-08-05  Michael Matz  <matz@suse.de>
2601
2602         * genattrtab.c (current_alternative_string): Remove.
2603         (SIMPLIFY_ALTERNATIVE): Ditto.
2604         (attr_alt_bit_p): Ditto.
2605         (alternative_name): Make const char *.
2606         (evaluate_eq_attr): Remove use of above things.
2607         (simplify_test_exp): Ditto.
2608         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2609         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2610
2611 2005-08-04  James E Wilson  <wilson@specifix.com>
2612
2613         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2614         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2615         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2616         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2617         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2618
2619 2005-08-04  Richard Henderson  <rth@redhat.com>
2620
2621         PR 21529
2622         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2623         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2624         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2625         if we'd have to instantiate too many members.
2626
2627 2005-08-04  Richard Henderson  <rth@redhat.com>
2628
2629         PR 21291
2630         * tree-outof-ssa.c (coalesce_asm_operands): New.
2631         (coalesce_ssa_name): Use it.  Split out ...
2632         (coalesce_phi_operands, coalesce_result_decls): ... these.
2633
2634 2005-08-04  Paul Brook  <paul@codesourcery.com>
2635
2636         * read-rtl.c (read_quoted_string): Break if EOF.
2637
2638 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2639
2640         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2641         (fold_build2): Likewise.
2642         (fold_build3): Likewise.
2643         (fold_build1_stat): New function prototype.
2644         (fold_build2_stat): Likewise.
2645         (fold_build3_stat): Likewise.
2646         * fold-const.c (fold_build1): Rename to ..
2647         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2648         through to build1_stat.
2649         (fold_build2): Rename to ..
2650         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2651         through to build2_stat.
2652         (fold_build3): Rename to ..
2653         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2654         through to build3_stat.
2655
2656 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2657             Ian Lance Taylor  <ian@airs.com>
2658
2659         * function.c (assign_stack_local_1): Do not correct stack slot
2660         address if allocation size is smaller than mode size.
2661
2662 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2663
2664         PR 22037
2665         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2666         (tree_merge_blocks): Propagate anything allowed by
2667         may_propagate_copy.
2668         Clarify documentation.
2669         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2670         SSA form, schedule an update if necessary.
2671
2672 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2673
2674         * doc/install.texi (Binaries): Remove broken link to
2675         Sinix/Reliant Unix binaries.
2676
2677 2005-08-03  Richard Henderson  <rth@redhat.com>
2678
2679         PR 23221
2680         * function.c (stack_protect_epilogue): Export.
2681         * tree.h (stack_protect_epilogue): Declare.
2682         * calls.c (expand_call): Call it.
2683
2684 2005-08-03  Eric Christopher  <echristo@apple.com>
2685
2686         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2687         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2688         spec.
2689
2690 2005-08-04  Jan Hubicka  <jh@suse.cz>
2691
2692         * profile.c (branch_prob): Split edges with goto locus on them
2693         to get proper line counts.
2694         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2695
2696 2005-08-03  Paul Brook  <paul@codesourcery.com>
2697
2698         * function.c (assign_parms): Round current_function_args_size
2699         to PARM_BOUNDARY, not STACK_BOUNDARY.
2700
2701 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2702
2703         * config/i386/i386.c (x86_elf_aligned_common)
2704         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2705
2706 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2707
2708         PR tree-optimization/23157
2709         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2710         before emitting them.
2711
2712 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2713
2714         PR tree-optimization/19899
2715         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2716         * tree-scalar-evolution.c: Include real.h.
2717         (add_to_evolution): Build constant -1 of correct type.
2718
2719 2005-08-03  Jan Hubicka  <jh@suse.cz>
2720
2721         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2722         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2723         profile updating for complette unrolling.
2724         * loop-unroll.c (peel_loop_completely): Use it.
2725         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2726         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2727         loops.
2728
2729 2005-08-03  Paul Brook  <paul@codesourcery.com>
2730
2731         * combine.c (can_change_dest_mode): New function.
2732         (try_combine, simplify_set): Use it.
2733
2734 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2735
2736         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2737         TFmode to BLKmode.
2738
2739 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2740
2741         * doc/install.texi (Specific): Adjust link to openavr.org.
2742         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2743         (Binaries): Adjust HP-UX Porting Center link.
2744         (Binaries): Adjust Free Software Foundation ordering link.
2745
2746 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2747
2748         * convert.c (convert_to_integer): Use fold_build1 instead of
2749         build1 when converting an integer to an integer.
2750
2751 2005-08-02  Richard Henderson  <rth@redhat.com>
2752
2753         * combine.c (combine_instructions): Don't use reg_equal/equiv
2754         results if the mode doesn't match.
2755
2756 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2757
2758         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2759         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2760
2761 2005-08-02  Richard Henderson  <rth@redhat.com>
2762
2763         PR 23196
2764         * explow.c (memory_address): Remove special-case for
2765         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2766
2767 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2768
2769         PR 23164
2770         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2771         number of calls to cleanup_tree_cfg_1.
2772
2773 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2774
2775         * doc/invoke.texi: document file extensions .F90 and .F95
2776
2777 2005-08-02  Richard Guenther  <rguenther@suse.de>
2778
2779         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2780         positive if its first argument is positive.
2781
2782 2005-08-02  Richard Guenther  <rguenther@suse.de>
2783
2784         PR tree-optimization/23177
2785         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2786         on TMR_TAG.
2787
2788 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2789
2790         PR tree-optimization/23129
2791         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2792         varying for divisions with anti-ranges.
2793
2794 2005-08-02  Jan Hubicka  <jh@suse.cz>
2795
2796         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2797         * tree-ssa-threadupdate.c (thread_block): Add it here.
2798
2799 2005-08-01  James E Wilson  <wilson@specifix.com>
2800
2801         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2802         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2803         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2804         New.
2805         * config/mips/predicates.md (const_call_insn_operand): Add check for
2806         SYMBOL_REF_LONG_CALL_P.
2807         * doc/extend.texi (long_call): Document the new attribute.
2808
2809 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2810             Richard Henderson  <rth@redhat.com>
2811
2812         * Makefile.in (RTL_BASE_H): Add real.h.
2813         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2814         instead of memcpy.
2815         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2816         directly.
2817         * rtl.c (rtl_check_failed_code_mode): New.
2818         * rtl.h (struct rtx_def): Add u.rv.
2819         (XCMWINT, XCNMPRV): New.
2820         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2821         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2822
2823 2005-08-01  Richard Henderson  <rth@redhat.com>
2824
2825         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2826         with auto-inc codes.
2827
2828         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2829
2830 2005-08-01  Jan Hubicka  <jh@suse.cz>
2831
2832         * i386-protos.h (asm_preferred_eh_data_format): Declare.
2833         * i386.c: Include dwarf2.h
2834         (asm_preferred_eh_data_format): New.
2835         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2836
2837 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2838
2839         * config/host-linux.c (linux_gt_pch_get_address): Add new name
2840         randomize_va_space for virtual address randomization control.
2841
2842 2005-08-01  Steven Bosscher  <stevenb@suse.de>
2843
2844         * common.opt (flag_ipa_cp): Put in right place to maintain
2845         alphabetic sort.
2846
2847 2005-08-01  Jan Hubicka  <jh@suse.cz>
2848
2849         * profile.c (compute_value_histograms): Fix thinko.
2850         * value-prof.c: Include toplev.h
2851         (check_counter): New function.
2852         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2853         tree_mod_subtract_transform): Add sanity check.
2854
2855 2005-08-01  Richard Guenther  <rguenther@suse.de>
2856
2857         PR tree-optimization/23133
2858         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2859         current functions parameter decls to find defs to cse
2860         reciprocals of.
2861
2862 2005-08-01  Richard Guenther  <rguenther@suse.de>
2863
2864         PR tree-optimization/23109
2865         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2866         If trapping math is in effect, use post-dominator information
2867         to check if we'd in any case reach a trapping point before
2868         doing the reciprocal insertion.
2869         (execute_cse_reciprocals): Compute post-dominators, if necessary.
2870         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2871         expressions are invariant only if trapping math is not in effect.
2872
2873 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2874
2875         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2876         cgraph_function_versioning): New declarations.
2877         * cgraphunit.c: Add include to ipa-prop.h.
2878         (update_call_expr, cgraph_copy_node_for_versioning,
2879         cgraph_function_versioning): New functions.
2880         * integrate.c (copy_decl_for_inlining): Remove.
2881         * ipa-prop.h (ipa_replace_map): New struct.
2882         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2883         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2884         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2885         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2886         ipcp_iterate_stage, ipcp_method_scale_print,
2887         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2888         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2889         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2890         ipcp_update_bb_counts, ipcp_update_profiling,
2891         ipcp_update_edges_counts): New functions.
2892         (ipcp_method_cval_init): Remove restriction regarding local methods.
2893         (ipcp_init_stage): Add ipcp_method_compute_scale.
2894         (ipcp_insert_stage): Add versioning.
2895         (ipcp_structures_print): Add ipcp_method_scale_print.
2896         (ipcp_driver): Dump profiling info.
2897         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2898         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2899         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2900         (struct inline_data): Add versioning_p, ipa_info, new fields.
2901         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2902         declare_return_variable): Replace calls to copy_decl_for_inlining with
2903         copy_decl_for_dup.
2904         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2905         versioning support.
2906         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2907         Add argument VERSIONING.
2908         (copy_arguments_for_versioning, copy_static_chain,
2909         function_versionable_p, tree_versionable_function_p,
2910         tree_function_versioning, replace_ref_tree): New functions.
2911         * tree-inline.h: Include varray.h.
2912         (tree_versionable_function_p,  tree_function_versioning,
2913         tree copy_decl_for_dup): New declarations.
2914
2915 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2916
2917         * ipa-cp.c: New file. Contains IPCP specific functionality.
2918         * ipa-prop.h: New file. Contains structures/definitions that can be
2919         used by several interprocedural data flow optimizations (and also IPCP).
2920         * ipa-prop.c: New file.
2921         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2922         * common.opt: Add ipa-cp flag.
2923         * timevar.def: Add IPCP optimization.
2924         * tree-optimize.c (init_tree_optimization_passes): Schedule
2925         pass_ipa_cp.
2926         * tree-pass.h (pass_ipa_cp): Declare.
2927
2928 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
2929
2930         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2931         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2932         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2933         config/i386/i386.c, config/mips/mips.h,
2934         config/rs6000/rs6000.h, config/sh/sh.c,
2935         config/stormy16/stormy16.c: Fix comment typos.
2936
2937 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
2938
2939         PR c/22311
2940         * c-typeck.c (build_binary_op): Use common_type wrapper on
2941         shortened types.
2942         (common_type): Update comment.
2943
2944 2005-07-31  Steven Bosscher  <stevenb@suse.de>
2945
2946         PR target/23095
2947         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2948         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2949         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2950
2951 2005-07-31  Jan Hubicka  <jh@suse.cz>
2952
2953         * pretty-print.h (pp_widest_integer): New macro.
2954         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2955         counts.
2956
2957 2005-07-31  Jan Hubicka  <jh@suse.cz>
2958
2959         * output.h (enum section_category): Export from varasm.c
2960         (categorize_decl_for_section): Likewise.
2961         * varasm.c (enum section_category): Kill.
2962         (categorize_decl_for_section): Make global.
2963         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2964         Declare.
2965         * i386.c (ix86_section_threshold): New static variable.
2966         (ix86_in_large_data_p, ix86_encode_section_info,
2967         x86_64_elf_unique_section,
2968         x86_64_elf_select_section): New functions.
2969         (TARGET_ENCODE_SECTION_INFO): Define
2970         (override_options): Enable medium model for PIC.
2971         (ix86_expand_prologue): Expand gen_set_got_rex64.
2972         (legitimate_constant_p): Handle new UNSPECs.
2973         (legitimate_pic_address_disp_p): Likewise.
2974         (legitimize_pic_address): Lower MEDIUM model addressing.
2975         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2976         (enum cmodel): Add MEDIUM_PIC.
2977         (SYMBOL_REF_FAR_ADDR_P): New macro.
2978         (SYMBOL_FLAG_FAR_ADDR): New flag.
2979         * i386.md (movdi): Support medium model.
2980         (set_got_rex64): New pattern.
2981         * i386.opt (mlarge-data-threshold): New flag.
2982         * predicates.md (zext_operand/sext_operand): Deal with medium model.
2983         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2984         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2985         TARGET_ASM_UNIQUE_SECTION): New.
2986
2987         * invoke.texi (-mlarge_data_threshold): Document
2988
2989 2005-07-31  Jan Hubicka  <jh@suse.cz>
2990
2991         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2992         (coalesce_vars): Likewise.
2993         * tree-ssa-live.c (coalesce_cost): New.
2994         (build_tree_conflict_graph): Use coalesce_cost.
2995         * tree-ssa-live.h (coalesce_cost): Declare.
2996
2997 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2998
2999         * arm.md (all peepholes for post-increment operations): Delete.
3000         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3001         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3002         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3003         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3004         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3005
3006 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3007
3008         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3009         non-integral types.
3010
3011 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3012
3013         PR target/22582
3014         * doc/invoke.texi: Document -rdynamic.
3015
3016 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3017
3018         PR c/23143
3019         * c-parser.c (c_parser_parms_list_declarator): Call
3020         mark_forward_parm_decls.
3021         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3022         decls with visibility structure.
3023
3024 2005-07-30  Paul Brook  <paul@codesourcery.com>
3025
3026         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3027
3028 2005-07-30  Paul Brook  <paul@codesourcery.com>
3029
3030         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3031         prototype.
3032         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3033         value for mode.
3034         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3035
3036 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3037
3038         PR c/529
3039         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3040         nested function declarators.
3041         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3042         (grokparms): Call warn_if_shadowing for parameters used within the
3043         parameter list.
3044         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3045         not used within the parameter list.
3046         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3047
3048 2005-07-30  Jan Hubicka  <jh@suse.cz>
3049
3050         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3051         * i386.c (ix86_fixup_binary_operands): Likewise.
3052         (ix86_expand_unary_operator): Likewise.
3053         (ix86_expand_fp_absneg_operator): Likewise.
3054         * optabs.c (expand_vec_cond_expr): Validate dest.
3055
3056 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3057
3058         PR c/21720
3059         * real.c (real_from_string): Also set last bit if there is a
3060         nonzero hex digit beyond GCC's internal precision after ".".
3061
3062 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3063
3064         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3065         define_constants.  Change duplicate values to unassigned numbers.
3066         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3067         (*altivec_vspltsf): New.
3068         (altivec_vperm_v4sf): Delete.
3069         (altivec_vperm_<mode>): Use mode macro V.
3070         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3071         (altivec_predicate_v4sf): Delete.
3072         (altivec_predicate_<mode>): Use mode macro V.
3073         (*altivec_lvesfx): New.
3074         (*altivec_stvesfx): New.
3075         (vec_realign_load_v4sf): Delete.
3076         (vec_realign_load_<mode>): Use mode macro V.
3077         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3078         UNSPECV_SET_VRSAVE.
3079
3080 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3081
3082         PR bootstrap/23131
3083         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3084         string.
3085         * configure: Regenerated.
3086
3087 2005-07-29  Paul Brook  <paul@codesourcery.com>
3088
3089         * doc/install.texi: Add link to GFortran binaries wiki page.
3090
3091 2005-07-29  David Ung  <davidu@mips.com>
3092
3093         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3094         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3095         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3096         * config/mips/mips.md (cpu): Add 5kf name.
3097         (includes): Includes 5k.md.
3098         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3099         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3100         -march flag.
3101
3102 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3103
3104         PR 22550
3105         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3106         (cleanup_tree_cfg): ... here.
3107         Call cleanup_tree_cfg_1 until there are no more cleanups to
3108         do.
3109
3110 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3111
3112         * tree-vrp.c (compare_range_with_value): Return true or false
3113         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3114         EQ_EXPR respectively.
3115
3116 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3117
3118         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3119         Fix comment typos.
3120
3121 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3122
3123         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3124         (tree_ssa_dominator_optimize): Increment it.
3125         (dump_dominator_optimization_stats): Print it.
3126
3127 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3128             Steven Bosscher  <stevenb@suse.de>
3129
3130         PR rtl-optimization/23117
3131         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3132         when head == tail.  Tidy comment.
3133
3134 2005-07-28  Richard Henderson  <rth@redhat.com>
3135
3136         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3137         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3138         * jump.c (rtx_renumbered_equal_p): Likewise.
3139         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3140         CONST_INT and CONST_DOUBLE.
3141         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3142         * reload.c (operands_match_p): Special case CONST_INT and
3143         CONST_DOUBLE; check mode earlier.
3144
3145 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3146
3147         PR c/22240
3148         * c-typeck.c (convert_for_assignment): Do not check
3149         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3150
3151 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3152
3153         PR c/22192
3154         * c-typeck.c (composite_type): Prefer constant size arrays to
3155         VLAs.
3156
3157 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3158
3159         PR c/21720
3160         * real.c (real_from_string): Set last bit if there is a nonzero
3161         hex digit beyond GCC's internal precision.
3162
3163 2005-07-28  Richard Henderson  <rth@redhat.com>
3164
3165         PR rtl-opt/22619
3166         * cfgcleanup.c (try_forward_edges): Watch out for end of
3167         insn chain.
3168
3169 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3170
3171         PR c/23106
3172         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3173
3174 2005-07-28  Jan Hubicka  <jh@suse.cz>
3175
3176         * Makefile.in (rtl-profile.o): Kill all traces of it.
3177         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3178         * coverage.h (rtl_coverage_counter_ref): Kill.
3179         * opts.c (flag_speculative_prefetching_set): Kill.
3180         (flag_loop_optimize_set): New.
3181         (common_handle_option): Disable loop optimizer when profiling;
3182         do not handle speculative prefetching.
3183         * passes.c (init_optimization_passes): Replace pass_profiling combo
3184         by branch_prob pass.
3185         * profile.c (compute_value_histograms): Update for simplified value
3186         profiles.
3187         (rtl_register_profile_hooks): Kill.
3188         (pass_profiling): Kill.
3189         (rest_of_handle_branch_prob): Do not profile.
3190         * toplev.c (process_options): Remove speculative prefetching.
3191         * toplev.h (flag_tree_based_profiling): Kill.
3192         * tree-profile.c (prepare_instrumented_value,
3193         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3194         tree_gen_one_value_profiler, do_tree_profiling): Update for
3195         simplified datastructures.
3196         * value-prof.c: Add comment that speculative prefetching was dropped;
3197         update rest of file for simplified datastructures.
3198         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3199         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3200         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3201         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3202         rtl_mod_subtract, gen_speculative_prefetch,
3203         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3204         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3205         (gate_handle_value_profile_transformations,
3206         rest_of_handle_value_profile_transformations,
3207         pass_value_profile_transformations): Kill.
3208         * value-prof.h (histogram_value_t): Remove IL based unions.
3209         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3210         rtl_profile_hooks): Remove hooks.
3211
3212         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3213
3214         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3215         (cgraph_clone_node): Likewise.
3216         * cgraph.h (cgraph_clone_edge): Update prototype.
3217         (cgraph_clone_node): Likewise.
3218         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3219         cgraph_clone_node.
3220         (lookup_recursive_calls): Consider profile.
3221         (cgraph_decide_recursive_inlining): Fix updating; use new
3222         probability argument; use profile.
3223         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3224         * tree-inline.c (copy_bb): Update clal of clone_edge.
3225         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3226
3227         * invoke.texi (min-inline-recursive-probability): Document.
3228
3229 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3230
3231         * doc/install.texi (Configuration): Update Valgrind homepage.
3232
3233 2005-07-28  Richard Henderson  <rth@redhat.com>
3234
3235         PR middle-end/21362
3236         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3237         labels we want to delete.
3238         (cfg_layout_merge_blocks): Likewise.
3239
3240 2005-07-28  Richard Henderson  <rth@redhat.com>
3241
3242         PR target/17692
3243         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3244         when expanding to nothing.
3245
3246 2005-07-28  Josh Conner  <jconner@apple.com>
3247
3248         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3249         (cgraph_decide_inlining_of_small_functions): Likewise.
3250
3251 2005-07-28  Josh Conner  <jconner@apple.com>
3252
3253         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3254         direction of badness if negative.
3255         (cgraph_default_inline_p): Add reason to parameters, and assign it
3256         a value.
3257         (cgraph_decide_inlining_of_small_functions): New parameter in call
3258         to cgraph_default_inline_p.
3259         (cgraph_decide_inlining_incrementally): Likewise.
3260         * cgraphunit.c (decide_is_function_needed): Likewise.
3261         * cgraph.h (cgraph_default_inline_p): Likewise.
3262
3263 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3264
3265         * builtins.c: Fix comment typo(s).
3266         * genautomata.c: Likewise.
3267         * gimplify.c: Likewise.
3268         * tree-dfa.c: Likewise.
3269         * tree-flow-inline.h: Likewise.
3270         * tree-into-ssa.c: Likewise.
3271         * tree-ssa-alias.c: Likewise.
3272         * tree-ssa-ccp.c: Likewise.
3273         * tree-ssa-copy.c: Likewise.
3274         * tree-ssa-dce.c: Likewise.
3275         * tree-ssa-dom.c: Likewise.
3276         * tree-ssa-operands.c: Likewise.
3277         * tree-tailcall.c: Likewise.
3278         * tree-vectorizer.c: Likewise.
3279         * tree-vrp.c: Likewise.
3280         * tree.c: Likewise.
3281
3282 2005-07-28  Jeff Law  <law@redhat.com>
3283
3284         * tree-vrp.c (test_for_singularity): Extracted from  ...
3285         (simplify_cond_using_ranges): Attempt to simplify a relational
3286         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3287
3288 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3289
3290         PR tree-optimization/22506
3291         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3292         phis whose argument is constant.
3293
3294 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3295
3296         PR rtl-optimization/18992
3297         Back out this patch:
3298           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3299           PR optimization/12142
3300           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3301           uses of the register in the SET_SRC.  Remove unnecessary argument.
3302
3303         Replace it with this:
3304         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3305         if flag_non_call_exceptions is set and the insn may trap, pass
3306         pc_rtx as dest for recursion.
3307         In SET_SRC part of SET case, if dest is already set, pass it down
3308         unchanged.
3309
3310 2005-07-28  Jan Hubicka  <jh@suse.cz>
3311
3312         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3313         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3314         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3315         roundoff errors.
3316         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3317         profile when available.
3318
3319 2005-07-28  Jan Beulich <jbeulich@novell.com>
3320
3321         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3322         (ia64_print_operand): Describe and handle 'X'.
3323         (ia64_register_move_cost): Also handle FP_REGS.
3324         (ia64_preferred_reload_class): Likewise.
3325         (ia64_secondary_reload_class): Likewise.
3326         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3327         it. Also check for ITANIUM_CLASS_FLDP.
3328         * config/ia64/ia64.h (FP_REGNO_P): New.
3329         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3330         (reg_class): Add FP_REGS.
3331         (REG_CLASS_NAMES): Adjust for it.
3332         (REG_CLASS_CONTENTS): Likewise.
3333         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3334         (REG_CLASS_FROM_LETTER): Handle 'x'.
3335         (CLASS_MAX_NREGS): Handle FP_REGS.
3336         (MEMORY_MOVE_COST): Likewise.
3337         * config/ia64/ia64.md (itanium_class): Add fldp.
3338         (type): Handle fldp.
3339         (movti_internal): More allowable operand combinations. Use ldfp8 when
3340         splitting unnecessary. Remove predicable attribute. Adjust
3341         itanium_class attribute.
3342         (smuldi3_highpart): Remove outdated comment.
3343         (mulditi3, umulditi3, rotlti3): New expanders.
3344         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3345         (absti2): Disabled new insn for future reference.
3346         Respective new splitters.
3347         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3348         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3349         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3350
3351 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3352
3353         PR rtl-optimization/23047
3354         * simplify-rtx.c (simplify_const_relational_operation): Respect
3355         flag_wrapv for comparisons with ABS.
3356
3357 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3358
3359         PR tree-optimization/22493
3360         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3361         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3362
3363 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3364
3365         * config/frv/frv.opt (moptimize-membar): New.
3366
3367         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3368
3369         * config/frv/frv.h: Remove machine_function definition.
3370
3371         * config/frv/frv.c (struct frv_io): New.
3372         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3373         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3374         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3375         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3376         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3377         (frv_reorg): Call frv_optimize_membar when appropriate.
3378         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3379         (frv_expand_builtin): Adjust calls accordingly.
3380         (frv_io_address_cookie): New function.
3381         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3382         load or store rather than a special insn.  Add ccnstant address and
3383         io-type operands to the membar.
3384         (frv_ifcvt_modify_tests): Unsign regno.
3385         (frv_ifcvt_modify_tests): Same.
3386
3387         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3388         UNSPEC_OPTIONAL_MEMBAR constant.
3389         (builtin_read_<mode>): Delete.
3390         (builtin_write_<mode>): Delete.
3391         ("optional_membar_<mode>"): Add operand.
3392
3393         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3394         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3395         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3396         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3397         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3398         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3399         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3400         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3401         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3402
3403 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3404
3405         * df.c (df_uses_record): Handle SCRATCH.
3406
3407 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3408
3409         PR debug/20161
3410         * passes.c (rest_of_decl_compilation): If decl is a type and
3411         we have encountered errors, don't emit debug information.
3412
3413 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3414
3415         * params.def: Fixed comment.
3416
3417 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3418
3419         PR target/19885
3420         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3421         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3422         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3423
3424 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3425
3426         PR c++/22003
3427         * varasm.c (assemble_start_function): Don't do anything that may
3428         require a CFG if the current function is a thunk.
3429
3430 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3431
3432         * doc/install.texi (Prerequisites): Mention that perl is needed
3433         to do export control in libstdc++ targetting Darwin.
3434
3435 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3436
3437         PR rtl-optimization/17808
3438         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3439         (sched_insns_conditions_mutex_p): Split out from...
3440         (add_dependence): ...here.  But don't call it from here.
3441         (add_dependence_list): Check sched_insns_conditions_mutex_p
3442         before calling add_dependence.
3443         (add_dependence_list_and_free): Likewise.
3444         (fixup_sched_groups): Likewise.
3445         (sched_analyze_1): Likewise.
3446         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3447         (sched_analyze): Likewise.
3448         (sched_analyze_insn): Likewise.
3449         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3450         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3451         dependencies on all COND_EXEC insns to jumps ending basic blocks
3452         when doing intrablock scheduling.
3453         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3454
3455 2005-07-27  Jeff Law  <law@redhat.com>
3456
3457         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3458         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3459         equivalency sets, correctly handle the case were vr0 has an
3460         equivalency set, but vr1 does not.
3461
3462 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3463
3464         PR tree-optimization/23073
3465         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3466         vect_print_dump_info before fprintf.
3467
3468 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3469
3470         PR tree-optimize/22348
3471         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3472         Fold the partial computation.
3473
3474 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3475
3476         PR tree-optimization/22325
3477         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3478         Declare.
3479         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3480         value replacement.
3481         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3482         (force_var_cost): ... this function.
3483         (compute_phi_arg_on_exit): Export.
3484
3485 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3486
3487         PR tree-optimization/20773
3488         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3489         edge.
3490
3491 2005-07-27  Richard Guenther  <rguenther@suse.de>
3492
3493         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3494         Avoid pushing again if current struct contains only
3495         fields we decomposed.
3496
3497 2005-07-27  Jan Hubicka  <jh@suse.cz>
3498
3499         PR tree-optimization/22574
3500         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3501         not available.
3502
3503         * tree-tailcall.c (decrease_profile): New function.
3504         (eliminate_tail_call): Use it.
3505
3506         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3507         visibility flags correctly in whole program mode.
3508
3509 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3510
3511         PR rtl-optimization/22472
3512         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3513
3514 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3515
3516         PR tree-optimization/22504
3517         * tree-complex.c (expand_complex_addition): Use 'code' instead
3518         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3519
3520 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3521
3522         * config.gcc (cpu_type): Add frv case.
3523         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3524         (supported_defaults): Add fr550 case.
3525
3526 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3527
3528         PR 22591
3529         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3530         whether a pointer of type T * may point to objects of type T *.
3531
3532 2005-07-26  DJ Delorie  <dj@redhat.com>
3533
3534         * configure: Regenerate.
3535
3536 2005-07-26  Dale Johannesen  <dalej@apple.com>
3537
3538         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3539
3540 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3541
3542         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3543         Clarify use of "build" in name.
3544
3545 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3546
3547         * doc/extend.texi (Raw read/write Functions): New section.
3548         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3549         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3550         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3551         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3552         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3553         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3554         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3555         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3556         * config/frv/frv.c: Add bdesc_loads global.
3557         Add bdesc_stores global.
3558         (frv_init_builtins): Add support for __builtin_{read/write}*.
3559         (frv_volatile_memref): New.
3560         (frv_expand_load_builtin): New.
3561         (frv_expand_store_builtin): New.
3562         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3563         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3564         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3565         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3566         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3567         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3568         (builtin_read_<mode>): New.
3569         (builtin_write_<mode>): New.
3570         (builtin_write64): New.
3571         (optional_membar_<mode>): New.
3572
3573 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3574
3575         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3576         (rather than units) against HOST_BITS_PER_WIDE_INT.
3577
3578 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3579
3580         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3581         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3582         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3583         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3584         FSF address.
3585
3586         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3587         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3588         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3589         comment typos.
3590         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3591
3592 2005-07-26  Richard Guenther  <rguenther@suse.de>
3593
3594         PR tree-optimization/22486
3595         * fold-const.c (fold_unary): Fold away useless component
3596         references of the form (T *)&T.x, if the address
3597         doesn't change.
3598
3599 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3600
3601         * dwarf2out.c (add_call_src_coords_attributes): New.
3602         (gen_inlined_subroutine_die): Call it.
3603         (maybe_emit_file, init_file_table): Add comments.
3604         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3605         maybe_emit_file.
3606         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3607         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3608         * tree.h (BLOCK_SOURCE_LOCATION): New.
3609         (struct tree_block): New field locus.
3610
3611 2005-07-26  Andreas Schwab  <schwab@suse.de>
3612
3613         PR rtl-optimization/23043
3614         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3615         when allocating a struct unoccr.
3616
3617 2005-07-25  Richard Henderson  <rth@redhat.com>
3618
3619         PR 22626
3620         * tree-complex.c (gate_no_optimization): True if errors.
3621         * Makefile.in (tree-complex.o): Update dependencies.
3622
3623 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3624
3625         * config/frv/predicates.md (integer_register_operand): Use
3626         GPR_AP_OR_PSEUDO_P.
3627
3628 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3629
3630         PR tree-opt/22484
3631         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3632         after fold.
3633         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3634
3635 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3636
3637         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3638         types when flag_unsafe_math_optimizations is true.
3639
3640 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3641
3642         * gcc.c (option_map): Add --sysroot.
3643         (process_command): Handle --sysroot.
3644         (display_help): Document it.
3645         * doc/cppopts.tex (-isysroot): Document.
3646         * doc/invoke.texi (--sysroot): Document.
3647         * doc/install.texi (--with-build-sysroot): Document.
3648
3649         * Makefile.in (inhibit_libc): New variable.
3650         (INHIBIT_LIBC_CFLAGS): Likewise.
3651         (LIBGCC2_CFLAGS): Include
3652         $(INHIBIT_LIBC_CFLAGS).
3653         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3654         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3655         ($(T)crtend.o): Likewise.
3656         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3657         ($(T)crtendS.o): Likewise.
3658         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3659         ($(T)crtendT.o): Likewise.
3660         (stmp-fixinc): Do not complain about missing headers if
3661         inhibit_libc.
3662         * configure.ac (inhibit_libc): Set it to true/false.
3663         (--with-build-sysroot): New option.  Use it to set
3664         SYSTEM_HEADER_DIR.
3665         * configure: Regenerated.
3666
3667 2005-07-25  Manfred Hollstein  <mh@suse.com>
3668
3669         * calls.c (store_one_arg): Fix unsigned comparison warning.
3670
3671 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3672
3673         PR other/22337
3674         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3675         (ggc_print_statistics): Initialize variable before use.
3676
3677 2005-07-25  Richard Guenther  <rguenther@suse.de>
3678
3679         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3680         calling with a PHI_NODE argument.
3681
3682         * tree-flow-inline.h (overlap_subvar): Protect against
3683         possible overflow.
3684
3685 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3686
3687         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3688         * configure: Regenerate.
3689
3690 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3691
3692         * expr.c (highest_pow2_factor): Make extern.
3693         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3694         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3695         record_array_differ_p, array_ptr_differ_p): Likewise.
3696         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3697         additional cases. Call the above functions.
3698         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3699         base_object_differ_p when there are two base objects. Otherwise, compare
3700         base address and offset. Call may_alias_p.
3701         (dump_data_reference): Use a correct field name.
3702         (analyze_array): Make static. Initialize new data-ref fields.
3703         (analyze_indirect_ref): New function.
3704         (init_data_ref): Initialize new data-ref fields.
3705         (strip_conversion): Moved from tree-vect-analyze.c.
3706         (analyze_offset_expr, get_ptr_offset, address_analysis,
3707         object_analysis): Likewise.
3708         (analyze_offset): New function.
3709         (create_data_ref): Likewise.
3710         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3711         dimensions for ARRAY_REFs only.
3712         (build_classic_dist_vector): Make static.
3713         (access_functions_are_affine_or_constant_p): Call macro to get the
3714         address of access functions.
3715         (compute_all_dependences): Add new parameter
3716         compute_self_and_read_read_dependences. Compute self and read-read
3717         dependences if it is true.
3718         (find_data_references_in_loop): Call create_data_ref. Initialize new
3719         data-ref fields.
3720         (compute_data_dependences_for_loop): Add new parameter
3721         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3722         compute nb_loops. Call compute_all_dependences,
3723         build_classic_dist_vector and build_classic_dir_vector with correct
3724         parameters.
3725         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3726         with correct parameters. Compare dimensions for ARRAY_REFs only.
3727         (free_data_refs): Call macro to free access functions.
3728         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3729         fields from stmt_vinfo.
3730         (struct base_object_info): New structure.
3731         (struct data_reference): Move fields to base_object_info. Add fields
3732         first_location and object_info for above structures. Move fields from
3733         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3734         aligned_to.  Add macros to access the new fields.
3735         Update functions declarations.
3736         * tree-flow.h (is_aliased_with): Declare.
3737         * tree-loop-linear.c (linear_transform_loops): Call
3738         compute_data_dependences_for_loop with correct parameters.
3739         * tree-ssa-alias.c (is_aliased_with): New function.
3740         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3741         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3742         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3743         vect_base_addr_differ_p, compute_subscript_distance and
3744         build_classic_dist_vector. Add printings. Check absolute value of
3745         distance.
3746         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3747         data-refs.
3748         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3749         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3750         to bytes. Add printing.
3751         (vect_compute_data_refs_alignment): Go through loads and stores in one
3752         loop.
3753         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3754         vect_analyze_data_ref_access): Likewise.
3755         (vect_analyze_pointer_ref_access): Remove.
3756         (vect_address_analysis, vect_object_analysis): Likewise.
3757         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3758         and analyze data-refs in the loop.
3759         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3760         fields of data-ref instead of stmt. Add init to the offset from the
3761         base.
3762         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3763         (vect_update_init_of_dr): Likewise.
3764         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3765         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3766         removed fields.
3767         (new_loop_vec_info): Initialize new fields.
3768         (destroy_loop_vec_info): Free new fields.
3769         (vect_strip_conversion): Remove.
3770         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3771         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3772         datarefs. Add new field ddrs.
3773         Add macros for the new fields access.
3774         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3775         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3776         Remove their macros.
3777         * tree.h (highest_pow2_factor): Declare.
3778
3779 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3780
3781         * calls.c (store_one_arg): Check for sibling call MEM arguments
3782         from already clobbered incoming argument area.
3783
3784 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3785
3786         * c-common.c (check_missing_format_attribute): New.
3787         * c-common.h (check_missing_format_attribute): Likewise.
3788         * c-typeck.c (convert_for_assignment): Use it.
3789
3790 2005-07-24  Andreas Schwab  <schwab@suse.de>
3791
3792         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3793         register use a word move.  Correct operand of ext.w in 68000 code.
3794
3795 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3796
3797         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3798         variables as declarations, rather than definitions.
3799
3800 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3801
3802         PR tree-optimization/22526
3803         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3804         of the zero node.
3805
3806 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3807
3808         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3809         that C99 reserve for future use. Use it to define clog10,
3810         clog10f and clog10l.
3811
3812 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3813
3814         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3815         * configure.ac: Check for -Wmissing-format-attribute.
3816
3817         * configure: Regenerate.
3818
3819 2005-07-23  Richard Henderson  <rth@redhat.com>
3820
3821         PR tree-optimization/22623
3822         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3823
3824 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
3825
3826         PR target/22577
3827         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3828
3829 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3830
3831         * Makefile.in (C_TREE_H): Update dependencies.
3832         * c-tree.h: Include toplev.h.
3833         * diagnostic.h (diagnostic_set_info): Add format attribute.
3834         * rtl-error.c (diagnostic_for_asm): Likewise.
3835
3836 2005-07-23  Chao-ying Fu  <fu@mips.com>
3837
3838         * config/mips/mips-dsp.md: New file.
3839         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3840         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3841         functions.
3842         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3843         MIPS_BUILTIN_BPOSGE32.
3844         (mips_expand_builtin_direct): Add one parameter to indicate that
3845         builtin functions need to return a value.
3846         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3847         functions.
3848         (mips_regno_to_class): Add classes for 12 new DSP registers.
3849         (mips_subword): Change to check four HI registers.
3850         (mips_output_move): Output move to and from 6 new DSP accumulators.
3851         (override_options): Make sure -mdsp and -mips16 are not used together.
3852         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
3853         for machine modes.
3854         (mips_conditional_register_usage): Disable 6 new DSP accumulators
3855         when !TARGET_DSP.
3856         (print_operand): Add 'q' for printing DSP accumulators.
3857         (mips_cannot_change_mode_class): Check ACC_REGS.
3858         (mips_secondary_reload_class): Check ACC_REGS.
3859         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3860         (mips_register_move_cost): Check ACC_REGS.
3861         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3862         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3863         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3864         (dsp_bdesc): New array.
3865         (bdesc_arrays): Add DSP builtin function table.
3866         (mips_prepare_builtin_arg): Check predicate again after
3867         copy_to_mode_reg.
3868         (mips_expand_builtin): Add one more parameter to
3869         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3870         MIPS_BUILTIN_BPOSGE32.
3871         (mips_init_builtins): Initialize new function types.
3872         (mips_expand_builtin_direct): Check if builtin functions need to
3873         return a value and pass operands properly.
3874         (mips_expand_builtin_bposge): New function.
3875         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3876         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3877         (FIRST_PSEUDO_REGISTER): Increase to 188.
3878         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3879         Update for 12 new DSP registers.
3880         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3881         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3882         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3883         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3884         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3885         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3886         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3887         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3888         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3889         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3890         (REGISTER_NAMES): Add names for 12 new DSP registers.
3891         * config/mips/mips.md: Include mips-dsp.md.
3892         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3893         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3894         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3895         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3896         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3897         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3898         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3899         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3900         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3901         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3902         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3903         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3904         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3905         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3906         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3907         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3908         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3909         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3910         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3911         (UNSPEC_RDDSP): New constants.
3912         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3913         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
3914         A<-d alternative.
3915         * config/mips/mips.opt (-mdsp): New option.
3916         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3917         (reg_imm10_operand): New predicates.
3918         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3919         * doc/invoke.texi (-mdsp): Document new option.
3920
3921 2005-07-22  DJ Delorie  <dj@redhat.com>
3922
3923         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3924         to warning calls.
3925         * tree-inline.c (inlinable_function_p): Likewise.
3926
3927 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
3928
3929         PR debug/21828
3930         * toplev.c (check_global_declarations): Do not mark undefined
3931         variables as DECL_IGNORED_P.
3932         * varasm.c (first_global_object_name): GTY it.
3933         (weak_global_object_name): Likewise.
3934         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3935         a string to go into {weak,first}_global_object_name.
3936
3937 2005-07-22  DJ Delorie  <dj@redhat.com>
3938
3939         * c-format.c (check_function_format): Change warning control
3940         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3941
3942 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
3943
3944         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3945         &PTR->FLD a dereference of PTR.
3946         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3947         a potential dereference of PTR.
3948
3949 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
3950
3951         PR rtl-optimization/20370
3952         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3953         call allocate_reg_info if necessary.
3954
3955         PR rtl-optimization/21848
3956         * calls.c (emit_library_call_value_1): For const functions, add
3957         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3958
3959         PR rtl-optimization/22445
3960         * cselib.c (target.h): Include.
3961         (rtx_equal_for_cselib_p): Allow commutative matches.
3962         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3963         Remove MODE parameter.  Changed all callers.
3964
3965         PR rtl-optimization/22258
3966         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3967         New functions.
3968         (try_combine): Use likely_spilled_retval_p.
3969
3970 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
3971
3972         * config.gcc: Add crx-elf support.
3973
3974         * doc/contrib.texi: Mention crx.
3975         * doc/extend.texi: Document crx extensions.
3976         * doc/install.texi: Document crx install.
3977         * doc/invoke.texi: Document crx options.
3978         * doc/md.texi: Document crx constraints.
3979
3980         * config/crx/crx-protos.h: New file.
3981         * config/crx/crx.c: New file.
3982         * config/crx/crx.h: New file.
3983         * config/crx/crx.md: New file.
3984         * config/crx/crx.opt: New file.
3985         * config/crx/t-crx: New file.
3986
3987 2005-07-22  Manfred Hollstein  <mh@suse.com>
3988
3989         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3990         warnings.
3991         (int_add_graph_edge): Likewise.
3992         (collapse_nodes): Likewise.
3993         (process_unification_queue): Likewise.
3994
3995 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3996             Laurent GUERBY  <laurent@guerby.net>
3997
3998         PR tree-optimization/22336
3999         * function.c (record_block_change): Check for
4000         cfun->ib_boundaries_block.
4001
4002 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4003
4004         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4005         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4006
4007 2005-07-21  DJ Delorie  <dj@redhat.com>
4008
4009         * toplev.c (warn_deprecated_use): Add warning control to warning
4010         call.
4011         * c-typeck.c (parser_build_binary_op): Likewise.
4012         (c_finish_if_stmt): Likewise.
4013         * c-common.c (check_function_sentinel): Likewise.
4014         (check_nonnull_arg): Likewise.
4015
4016 2005-07-21  Richard Henderson  <rth@redhat.com>
4017
4018         PR tree-opt/22504
4019         * tree-complex.c (complex_ssa_name_components): New.
4020         (cvc_lookup): Allow entry not found.
4021         (create_components): Remove.
4022         (create_one_component_var, get_component_var): New.
4023         (get_component_ssa_name, set_component_ssa_name): New.
4024         (extract_component): Use get_component_ssa_name.
4025         (update_complex_components): Use set_component_ssa_name.
4026         (update_complex_components_on_edge): Likewise.
4027         (update_phi_components): Create new PHI nodes directly, instead
4028         of adding insns to edges.
4029         (tree_lower_complex): Allocate and free complex_variable_components
4030         and complex_ssa_name_components here.
4031
4032 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4033
4034         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4035         revert to returning false.
4036
4037 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4038
4039         PR target/21149
4040         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4041
4042 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4043
4044         PR target/22576
4045         * config/i386/i386.md (cmpxf): Change operand constraints
4046         to "nonmemory_operand".
4047
4048 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4049
4050         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4051
4052 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4053
4054         PR middle-end/21180
4055         * fold-const.c (fold_build1): Add checksum for the operands.
4056         (fold_build2): Likewise.
4057         (fold_build3): Likewise.
4058
4059 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4060
4061         PR middle-end/19055
4062         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4063
4064 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4065
4066         * common.opt (-fforward-propagate): Committed by mistake,
4067         removed.
4068
4069 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4070
4071         * reg-stack.c: Fix comment typo(s).
4072         * tree-ssa-operands.c: Likewise.
4073         * tree-vectorizer: Likewise.
4074
4075 2005-07-21  Nick Clifton  <nickc@redhat.com>
4076
4077         * config/sh/symbian.c: Replace C++ style line comments with C
4078         style line comments.
4079         (symbian_add_attribute): Do not use a ? operator on the LHS of
4080         an assignment.
4081         (sh_symbian_handle_dll_attribute): Change the type of the
4082         method vector to "VEC(tree,gc)*" and use vector accessor
4083         macros to walk over the elements.
4084         (symbian_export_vtable_and_rtti_p): Likewise.
4085         (symbian_class_needs_attribute_p): Likewise.
4086
4087 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4088
4089         PR target/22085
4090         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4091         initialize targetm.resolve_overloaded_builtin here.
4092         (altivec_expand_overloaded_builtin): Make it non-static.
4093         * config/rs6000/rs6000-protos.h
4094         (altivec_expand_overloaded_builtin): New prototype.
4095         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4096         targetm.resolve_overloaded_builtin here.
4097         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4098
4099 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4100             Zdenek Dvorak  <dvorakz@suse.cz>
4101
4102         PR tree-optimization/19210
4103         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4104         New.
4105         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4106         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4107         rely on unproven assumptions.
4108         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4109         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4110         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4111         to number_of_iterations_exit.
4112         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4113         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4114         * tree-ssa-loop-niter.c (find_loop_niter,
4115         estimate_numbers_of_iterations_loop): Likewise.
4116         (number_of_iterations_exit): Honor the new options.
4117         * doc/invoke.texi (Wunsafe-loop-optimizations,
4118         funsafe-loop-optimizations): Document them.
4119
4120 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4121
4122         PR rtl-optimization/22167
4123         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4124
4125 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4126
4127         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4128         __do_global_dtors_aux longcall.
4129
4130 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4131
4132         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4133         (old_special_pred_table): Don't reference
4134         SPECIAL_MODE_PREDICATES.
4135         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4136         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4137         * config/sh/predicates.h: Don't mention
4138         SPECIAL_MODE_PREDICATES.
4139         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4140         Remove.
4141
4142 2005-07-20  DJ Delorie  <dj@redhat.com>
4143
4144         * config.gcc: Add m32c-elf support.
4145
4146         * doc/contrib.texi: Mention m32c.
4147         * doc/extend.texi: Document m32c extensions.
4148         * doc/install.texi: Mention m32c.
4149         * doc/invoke.texi: Document m32c options.
4150         * doc/md.texi: Document m32c constraints.
4151
4152         * config/m32c/addsub.md: New file.
4153         * config/m32c/bitops.md: New file.
4154         * config/m32c/cond.md: New file.
4155         * config/m32c/jump.md: New file.
4156         * config/m32c/m32c-lib1.S: New file.
4157         * config/m32c/m32c-lib2.c: New file.
4158         * config/m32c/m32c-modes.def: New file.
4159         * config/m32c/m32c-pragma.c: New file.
4160         * config/m32c/m32c-protos.h: New file.
4161         * config/m32c/m32c.abi: New file.
4162         * config/m32c/m32c.c: New file.
4163         * config/m32c/m32c.h: New file.
4164         * config/m32c/m32c.md: New file.
4165         * config/m32c/m32c.opt: New file.
4166         * config/m32c/minmax.md: New file.
4167         * config/m32c/mov.md: New file.
4168         * config/m32c/muldiv.md: New file.
4169         * config/m32c/predicates.md: New file.
4170         * config/m32c/prologue.md: New file.
4171         * config/m32c/shift.md: New file.
4172         * config/m32c/t-m32c: New file.
4173
4174 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4175
4176         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4177         (stack_protect_set, stack_protect_test): New expanders.
4178         (stack_protect_set_si, stack_protect_set_si_media,
4179         stack_protect_set_di_media, stack_protect_test_si,
4180         stack_protect_test_si_media, stack_protect_test_di_media):
4181         New insns.
4182
4183 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4184
4185         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4186
4187 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4188
4189         * tree.h (tree_expr_nonzero_p): Export.
4190         * fold-const.c (tree_expr_nonzero_p): Likewise.
4191         Return true for CALL_EXPRs that are alloca calls.
4192         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4193         against zero.
4194         * tree-flow.h (expr_computes_nonzero): Remove.
4195         * tree-vrp.c (expr_computes_nonzero): Remove.
4196         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4197         (extract_range_from_unary_expr): Likewise.
4198         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4199         tree_expr_nonzero_p.
4200
4201 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4202
4203         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4204         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4205         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4206         All callers changed.
4207         (frame_related_constant_load): New arg "related" which controls
4208         setting of RTX_FRAME_RELATED_P.  All callers changed.
4209         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4210         (bfin_expand_prologue): Add stack limit checking.
4211         * config/bfin/bfin.md (trapifcc): New pattern.
4212
4213         * config/bfin/bfin.c: Include "langhooks.h".
4214         (def_builtin): Go through lang_hooks to call builtin_function.
4215
4216         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4217         * config/bfin/predicates.md (symbol_ref_operand): New.
4218         (call_insn_operand): Delete.  All callers changed to use
4219         register_no_elim_operand.
4220         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4221         call_cookie field.
4222         (function_arg): Use it to generate the call's operand 2.
4223         (bfin_longcall_p): New function.
4224         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4225         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4226         determine if the address needs to be in a REG.
4227         (bfin_handle_longcall_attribute): New function.
4228         (bfin_attribute_table): Add "longcall" and "shortcall".
4229         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4230         (CUMULATIVE_ARGS): New member call_cookie.
4231         (PREDICATE_CODES): Add symbol_ref_operand.
4232         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4233         extra USE to the pattern.
4234         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4235         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4236         sibcall_value_insn; now the new patterns handle direct calls and the
4237         old ones indirect calls.
4238         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4239
4240 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4241
4242         * doc/trouble.texi: Update section on handling of empty loops.
4243
4244 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4245
4246         * config.gcc: Remove support for sparc-*-openbsd*,
4247         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4248         ns32k-*-netbsd*.
4249         * config.host: Remove support for i860-*-sysv4* as a host.
4250         * config/i860/*, config/ip2k/*, config/ns32k/*,
4251         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4252         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4253         mention obsolete ports.
4254
4255 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4256
4257         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4258         soft frame pointer.
4259         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4260         of frame_pointer_rtx.
4261         (sh_expand_epilogue): Likewise.
4262         (sh_set_return_address): Likewise.
4263         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4264         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4265         offsets from FRAME_POINTER_REGNUM.
4266         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4267         (sh_register_names): Add initializer for sfp.
4268         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4269         (VALID_REGISTER_P): Likewise.
4270         (FIRST_PSEUDO_REGISTER): Update.
4271         (DWARF_FRAME_REGISTERS): Define.
4272         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4273         (HARD_FRAME_POINTER_REGNUM): Define.
4274         (FRAME_POINTER_REGNUM): Redefine.
4275         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4276         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4277         from FRAME_POINTER_REGNUM.
4278         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4279         FRAME_POINTER_REGNUM.
4280         (REG_CLASS_CONTENTS): Add sfp.
4281         (REG_ALLOC_ORDER): Likewise.
4282         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4283         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4284         of frame_pointer_rtx.
4285         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4286
4287 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4288
4289         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4290         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4291         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4292         of an ABS_EXPR.
4293         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4294         ABS_EXPR<x>.
4295
4296 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4297
4298         Make CONSTRUCTOR use VEC to store initializers.
4299         * c-common.c (complete_array_type): Update to cope with VEC in
4300         CONSTRUCTOR_ELTS.
4301         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4302         (pp_c_constructor_elts): New function.
4303         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4304         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4305         struct constructor_stack, struct initializer_stack,
4306         constructor_elements, push_init_level, pop_init_level,
4307         add_pending_init, find_init_member, output_init_element): Update to
4308         cope with VEC in CONSTRUCTOR_ELTS.
4309         * coverage.c (build_fn_info_value, build_ctr_info_value,
4310         build_gcov_info): Likewise.
4311         * expr.c (categorize_ctor_elements_1, store_constructor,
4312         expand_expr_real_1): Likewise.
4313         * fold-const.c (fold_ternary): Likewise.
4314         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4315         gimplify_init_constructor, gimplify_expr): Likewise.
4316         * tree-dump.c (dequeue_and_dump): Likewise.
4317         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4318         node.
4319         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4320         CONSTRUCTOR_ELTS.
4321         * tree-sra.c (generate_element_init_1): Likewise.
4322         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4323         * tree-ssa-operands.c (get_expr_operands): Likewise.
4324         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4325         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4326         (get_initial_def_for_reduction): Likewise.
4327         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4328         value handle in annotations.
4329         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4330         tree_node_structure): Add support for constr_kind.
4331         (build_vector_from_ctor, build_constructor_single,
4332         build_constructor_from_list): New functions.
4333         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4334         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4335         Update to cope with VEC in CONSTRUCTOR_ELTS.
4336         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4337         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4338         CONSTRUCTOR_APPEND_ELT): New macros.
4339         (struct constructor_elt, struct tree_constructor): New data types.
4340         (union tree_node): Add tree_constructor field.
4341         * treestruct.def: Define TS_CONSTRUCTOR.
4342         * varasm.c (const_hash_1, compare_constant, copy_constant,
4343         compute_reloc_for_constant, output_addressed_constants,
4344         initializer_constant_valid_p, output_constant,
4345         array_size_for_constructor, output_constructor): Update to cope with
4346         VEC in CONSTRUCTOR_ELTS.
4347         * vec.h (VEC_empty, VEC_copy): New macros.
4348
4349 2005-07-19  Devang Patel  <dpatel@apple.com>
4350
4351         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4352
4353 2005-07-19  Richard Henderson  <rth@redhat.com>
4354
4355         PR tree-opt/22278
4356         * gimplify.c (gimplify_expr): Use main variant type for the temp
4357         destination for a discarded volatile read.
4358         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4359         casts between non-void types that change volatility.
4360
4361 2005-07-15  DJ Delorie  <dj@redhat.com>
4362
4363         * toplev.h: Add comment about the first parameter for warning().
4364         * errors.h: Likewise.
4365
4366         * c.opt (Wpragmas): New.
4367         * doc/invoke.texi: Document it.
4368
4369         * function.c (do_warn_unused_parameter): Add warning control to
4370         warning call.
4371         * c-decl.c (warn_if_shadowing): Likewise.
4372         * c-lex.c (cb_def_pragma): Likewise.
4373         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4374         (pop_alignment): Likewise.
4375         (handle_pragma_pack): Likewise.
4376         (apply_pragma_weak): Likewise.
4377         (handle_pragma_weak): Likewise.
4378         (handle_pragma_redefine_extname): Likewise.
4379         (add_to_renaming_pragma_list): Likewise.
4380         (handle_pragma_extern_prefix): Likewise.
4381         (maybe_apply_renaming_pragma): Likewise.
4382         (handle_pragma_visibility): Likewise.
4383
4384         * config/c4x/c4x-c.c (BAD): Likewise.
4385         (c4x_parse_pragma): Likewise.
4386         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4387         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4388         (rs6000_pragma_longcall): Likewise.
4389         * config/v850/v850-c.c (pop_data_area): Likewise.
4390         (ghs_pragma_section): Likewise.
4391         (ghs_pragma_section): Likewise.
4392         (ghs_pragma_interrupt): Likewise.
4393         (ghs_pragma_starttda): Likewise.
4394         (ghs_pragma_startsda): Likewise.
4395         (ghs_pragma_startzda): Likewise.
4396         (ghs_pragma_endtda): Likewise.
4397         (ghs_pragma_endsda): Likewise.
4398         (ghs_pragma_endzda): Likewise.
4399
4400 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4401             Kenneth Zadeck <zadeck@naturalbridge.com>
4402
4403         * Makefile.in: Removed tree-promote-statics.c
4404         * tree-promote-statics.c: Removed.
4405         * common.opt: Removed flag-promote-statics.
4406         * opts.c: Ditto.
4407         * passes.c: Removed tree-promote-statics pass.
4408         * tree-pass.h: Ditto.
4409         * timevar.def: Removed TV_PROMOTE_STATICS.
4410
4411
4412 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4413
4414         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4415         and *-*-freebsd9.
4416         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4417
4418 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4419
4420         PR c/22476
4421         * c-common.c (check_function_arguments): Call
4422         'check_function_format' if either -Wformat or
4423         -Wmissing-format-attribute are specified.
4424         * c-format.c (check_function_format): Check -Wformat before
4425         calling 'check_format_info'.
4426         * c-opts.c (c_common_post_options): Don't warn for
4427         -Wmissing-format-attribute without -Wformat.
4428         * c-typeck.c (convert_for_assignment): Detect additional cases for
4429         -Wmissing-format-attribute.
4430         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4431         behavior.
4432
4433 2005-07-19  Richard Guenther  <rguenther@suse.de>
4434
4435         * config/i386/i386.md (lrint<mode>2): Use temporary
4436         instead of clobbering non-existent memory.
4437
4438 2005-07-19  Nick Clifton  <nickc@redhat.com>
4439
4440         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4441         statement to avoid displaying ASCII control characters.
4442
4443 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4444
4445         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4446         * cfganal.c (find_edge_index): Ditto.
4447         * combine.c (combine_instructions): Ditto.
4448         * ddg.c (create_scc): Ditto.
4449         (find_successors): Ditto.
4450         (find_predecessors): Ditto.
4451         (find_nodes_on_paths): Ditto.
4452         (longest_simple_path): Ditto.
4453         * flow.c (update_life_info): Ditto.
4454         (count_or_remove_death_notes): Ditto.
4455         (clear_log_links): Ditto.
4456         * modulo-sched.c (generate_reg_moves): Ditto.
4457         (find_max_asap): Ditto.
4458         (find_max_hv_min_mob): Ditto.
4459         (find_max_dv_min_mob): Ditto.
4460         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4461         * sched-rgn.c (extract_edgelst): Ditto.
4462         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4463         (dump_update_ssa): Ditto.
4464         (ssa_names_to_replace) Ditto.
4465         (switch_virtuals_to_full_rewrite): Ditto.
4466         (update_ssa): Ditto.
4467         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4468
4469 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4470
4471         Fix PR tree-optimization/22483
4472
4473         * tree-complex.c (create_components): Use
4474         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4475         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4476         * tree-flow.h (safe_referenced_var_iterator): New structure.
4477         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4478         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4479         safe_referenced_var iterator.
4480         (add_type_alias): Ditto.
4481
4482 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4483
4484         * loop-init.c (rest_of_handle_loop2): Remove.
4485         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4486         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4487         (pass_rtl_loop_init, pass_rtl_loop_done,
4488         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4489         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4490         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4491         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4492         pass_tree_loop_done, and pass_tree_unswitch.
4493         (gate_loop): Rename to gate_tree_loop.
4494         * passes.c (init_optimization_passes): Update for renamed tree
4495         loop passes.  Add the new loop2 passes as subpasses of loop2.
4496         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4497         Update for the renamed tree loop passes.
4498
4499 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4500
4501         PR middle-end/22057
4502         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4503         blocks when optimizing.
4504
4505 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4506
4507         * common.opt (frename-registers): Initialize to 2.
4508         (fweb): Ditto.
4509         (fgcse-after-reload): Ditto.
4510         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4511         (process_options): Only change flag_web, flag_rename_registers,
4512         and flag_rerun_cse_after_loop if not explicitly set by user.
4513
4514 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4515
4516         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4517         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4518         in 64-bit mode the same as DImode in 32-bit mode.
4519         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4520         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4521         mode. Add new mode parameter.
4522         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4523         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4524         x86_64_shift_adj): New expanders.
4525         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4526         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4527         insns.
4528         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4529         DImode shift splitters.
4530         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4531         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4532         mode parameter.
4533
4534 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4535
4536         * i386.md (movdi_extzv_1): New.
4537         (zero_extendhidi2): Combine alternatives and never force use of
4538         REX64 prefix.
4539         (zero_extendqidi2): Likewise. Don't restrict input selection.
4540
4541 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4542
4543         Fix PR tree-optimization/22531
4544         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4545          moment.
4546
4547 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4548
4549         * tree-promote-statics.c (pass_promote_statics): Change dump file
4550          name.
4551
4552 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4553
4554         * tree-optimize.c (init_tree_optimization_passes): Add
4555         pass_eliminate_useless_stores pass.
4556         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4557         * tree-ssa-pre.c (is_copy_stmt): New function.
4558         (follow_copies_till_vuse): Ditto.
4559         (do_eustores): Ditto.
4560         (gate_eustores): Ditto.
4561
4562 2005-07-16  Richard Henderson  <rth@redhat.com>
4563
4564         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4565
4566 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4567            Kenneth Zadeck <zadeck@naturalbridge.com>
4568
4569         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4570         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4571         ipa-type-escape.h, tree-promote-statics.c
4572         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4573         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4574         tree-promote-statics.c: new files.
4575         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4576         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4577         int nonlocal_set_p, mark_constant_function): Deleted.
4578         (rest_of_handle_cfg): Removed call to mark_constant_function.
4579         (nonoverlapping_component_refs_p): Added calls to support
4580         type based aliasing.
4581         * tree-ssa-alias.c (may_alias_p,
4582         compute_flow_insensitive_aliasing): Ditto.
4583         * calls.c (flags_from_decl_or_type): Removed reference to
4584         cgraph_rtl_info.
4585         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4586         too many arguments.  This is necessary for Spec 2000.
4587         * cgraph.h (const_function, pure_function): Removed.
4588         * common.opt: Added "fipa-pure-const", "fipa-reference",
4589         "fipa-type-escape", and "ftree-promote-static".
4590         * opts.c: Ditto.
4591         * passes.c: Added ipa and tree-promote-statics passes.
4592         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4593         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4594         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4595         * tree-flow.h: Added exposed sra calls and addition of
4596         reference_vars_info field for FUNCTION_DECLS.
4597         * tree-pass.h: Added passes.
4598         * tree-sra.c: (sra_init_cache): New function.
4599         (sra_insert_before, sra_insert_after) Made public.
4600         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4601         and made public.
4602         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4603         aliasing. (may_alias_p): Added code to use type escape analysis to
4604         improve alias sets.
4605         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4606         code to prune clobbers of static variables based on information
4607         produced in ipa-reference pass.  Changed call clobbering so that
4608         statics are not marked as clobbered if the call does not clobber
4609         them.
4610
4611 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4612
4613         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4614         too.
4615
4616 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4617
4618         * doc/install.texi (*-*-solaris2*): Document recommended version
4619         of GNU binutils and mention GNU linker problem on Solaris 10.
4620
4621 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4622
4623         PR c/22421
4624         * c-decl.c (c_build_bitfield_integer_type): New function.
4625         (finish_struct): Call it.
4626         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4627
4628 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4629
4630         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4631         before returning.
4632
4633 2005-07-16  Jan Hubicka  <jh@suse.cz>
4634
4635         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4636         (scale_bbs_frequencies_int): Watch roundoff errors.
4637         * predict.c (return_prediction): Initialize return_stmt.
4638
4639 2005-07-16  Jan Hubicka  <jh@suse.cz>
4640
4641         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4642         after RTL profiling.
4643
4644 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4645
4646         PR middle-end/22398
4647         * fold-const.c (build_range_check): Convert high/low to etype
4648         if we are only comparing against exp.
4649
4650 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4651
4652         Fix PR tree-optimization/22376
4653         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4654         special var here.
4655         (need_to_solve): New function.
4656         (compute_points_to_sets): Use it.
4657
4658 2005-07-15  Jan Hubicka  <jh@suse.cz>
4659
4660         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4661         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4662
4663 2005-07-15  Richard Guenther  <rguenther@suse.de>
4664
4665         * c-common.c (handle_flatten_attribute): New function.
4666         Add flatten function attribute.
4667         * doc/extend.texi: Document flatten function attribute.
4668         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4669         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4670         New functions.
4671         (cgraph_decide_inlining): Handle functions with flatten
4672         attribute.
4673
4674 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4675
4676         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4677         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4678         UNSPEC_XCHG, UNSPEC_AND): New.
4679         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4680         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4681         * config/rs6000/sync.md (FETCHOP): New code macro.
4682         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4683         New code attrs.
4684         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4685         (sync_compare_and_swap<mode>): Same.
4686         (sync_lock_test_and_set<mode>): Same.
4687         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4688         for QImode and HImode, and not PPC405.
4689         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4690         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4691         (sync_<fetchop>{si,di}_internal): New.
4692         (sync_nand{si,di}_internal): New.
4693         (sync_old_<fetchop>{si,di}_internal): New.
4694         (sync_old_nand{si,di}_internal): New
4695         (sync_new_<fetchop>{si,di}_internal): New.
4696         (sync_new_nand{si,di}_internal): New.
4697         (atomic_and{si,di}): New.
4698         (sync_new_nand{si,di}_internal): New.
4699         (atomic_and{si,di}): New.
4700         (sync_add<mode>_internal): Delete.
4701         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4702         (sync_sub<mode>_internal): Delte.
4703         (sync_subshort_internal): New.
4704         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4705         (sync_anddi_internal): Delete.
4706         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4707         (sync_booldi_internal): Delete.
4708         (sync_boolc<mode>_internal): Delete.
4709         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4710         (sync_boolc<mode>_internal2): Delete.
4711         (sync_boolcc<mode>_internal): Delete.
4712         (isync, lwsync): Use unspec instead of unspec_volatile.
4713         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4714         Revert UNSPEC_VOLATILE.
4715         (rs6000_split_atomic_op): New.
4716         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4717
4718 2005-07-14  Eric Christopher  <echristo@redhat.com>
4719
4720         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4721         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4722
4723 2005-07-14  Eric Christopher  <echristo@redhat.com>
4724
4725         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4726
4727 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4728
4729         PR tree-optimization/22230
4730         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4731         the computation of the four cross productions for "range op range".
4732
4733 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4734             Ulrich Weigand  <uweigand@de.ibm.com>
4735
4736         PR target/20126
4737         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4738         in some insn.
4739
4740 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4741
4742         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4743
4744 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4745
4746         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4747
4748 2005-07-14  Richard Guenther  <rguenther@suse.de>
4749
4750         PR middle-end/22347
4751         * config/i386/i386-protos.h (ix86_function_value): Change
4752         prototype to match new target hook.
4753         * config/i386/i386.c (ix86_value_regno): Change prototype
4754         to take extra type argument.
4755         (TARGET_FUNCTION_VALUE): Define.
4756         (ix86_function_ok_for_sibcall): Pass extra argument to
4757         ix86_value_regno, check return slot rtx for exact match.
4758         (ix86_function_value): Take extra parameter.  Dispatch to
4759         ix86_value_regno with fndecl/fntype as provided.
4760         (ix86_value_regno): Handle extra type argument.
4761         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4762
4763         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4764         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4765         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4766         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4767         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4768
4769 2005-07-14  Richard Guenther  <rguenther@suse.de>
4770
4771         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4772         * calls.c (expand_call): Pass fntype to hard_function_value.
4773         (emit_library_call_value_1): Likewise.
4774         * explow.c: Include target.h.
4775         (hard_function_value): Take extra argument, the fntype.
4776         Use new target hook for function_value.
4777         * expr.h (hard_function_value): Change prototype.
4778         * function.c (aggregate_value_p): Pass 0 as fntype to
4779         hard_function_value.
4780         (assign_parms): Use new target hook for function_value.
4781         Pass 0 as fntype to hard_function_value.
4782         (expand_function_end): Likewise.
4783         * reg-stack.c: Include target.h.
4784         (stack_result): Use new target hook for function_value.
4785         * target-def.h: New target hook function_value.
4786         * target.h: Likewise.
4787         * targhooks.c (default_function_value): New function.
4788         * targhooks.h (default_function_value): Declare.
4789
4790 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4791
4792         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4793
4794 2005-07-14  Jan Hubicka  <jh@suse.cz>
4795
4796         * tree-dfa.c (dump_variable): Use default_def function.
4797         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4798         * tree-ssa.c (verify_use): Likewise.
4799         * tree-ssanames.c (release_ssa_name): Likewise.
4800         * tree-tailcall.c (eliminate_tail_call): Likewise.
4801         (tree_optimize_tail_calls_1): Likewise.
4802         * tree-vrp.c (get_value_range): Likewise.
4803
4804 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4805
4806         * gcc.c (main): Compare language[0] with '*' when iterating over
4807         the infiles.
4808
4809 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4810
4811         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4812         "s390_emit_compare".  Add handling of CCZ1mode.
4813         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4814         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4815         checking.
4816         (s390_branch_condition_mask): Add CCZ1mode handling.
4817         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4818         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4819         Use CCZ1mode instead of CCZmode.
4820         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
4821
4822 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4823
4824         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4825         pattern.
4826         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4827
4828 2005-07-13  Eric Christopher  <echristo@redhat.com>
4829
4830         * config/mips/mips.c (mips_canonicalize_comparison): New.
4831         (mips_emit_int_relational): Use.
4832
4833 2005-07-13  Eric Christopher  <echristo@redhat.com>
4834
4835         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4836         static extra parts.
4837         * config/s390/s390.md: Include tpf.md. Move tpf specific
4838         patterns...
4839         * config/s390/tpf.md: To here.
4840         * config/s390/s390.opt: Move tpf specific options...
4841         * config/s390/tpf.opt: to here. Add mmain option.
4842         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4843         * config/s390/tpf.h: Rewrite.
4844
4845 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4846
4847         * doc/tm.texi: Remove @xref{Cross-profiling}.
4848
4849 2005-07-13  Jeff Law  <law@redhat.com>
4850
4851         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4852         expressions, test their _DECL operands for pointer equality rather
4853         than using operand_equal_p.
4854
4855 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4856
4857         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4858         (TARGET_POSIX_IO): This.
4859         * config/darwin.h: Likewise.
4860         * config/freebsd.h: Likewise.
4861         * config/linux.h: Likewise.
4862         * config/lynx.h: Likewise.
4863         * config/netbsd.h: Likewise.
4864         * config/rs6000/linux64.h: Likewise.
4865         * config/rs6000/linux.h: Likewise.
4866         * config/s390/tpf.h: Likewise.
4867         * config/sh/embed-elf.h: Likewise.
4868         * config/sparc/linux64.h: Likewise.
4869         * config/sparc/linux.h: Likewise.
4870         * config/svr4.h: Likewise.
4871         * gcov-io.h: Likewise.
4872
4873         * doc/tm.texi: Updated.
4874
4875         * libgcov.c (create_file_directory): Defined only if
4876         TARGET_POSIX_IO is defined.
4877         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4878         is defined.
4879
4880 2005-07-13  Jan Hubicka  <jh@suse.cz>
4881
4882         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4883
4884 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
4885
4886         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4887         structure as argument.
4888
4889 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
4890
4891         PR tree-optimization/21921
4892         * tree-iterator.c (tsi_link_before): Support the case when
4893         tsi_end_p (tsi) == true.
4894
4895 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4896
4897         PR tree-optimization/22442
4898         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4899         correctly.
4900
4901 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4902
4903         PR rtl-optimization/20376
4904         * toplev.c (process_options): Enable -fweb and -frename-registers when
4905         unrolling.
4906         * doc/invoke.texi: Update the information about when -fweb and
4907         -frename-registers are enabled.
4908
4909 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4910
4911         PR tree-opt/21840
4912         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4913         if *rhs_p is not a SSA_NAME.
4914
4915 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
4916
4917         Fix PR tree-optimization/22422
4918         * tree-ssa-structalias.c (struct variable_info): Add flag for
4919         special vars.
4920         (get_varinfo): Now a static function.
4921         (new_varinfo): init has_union and is_special_var to false.
4922         (solution_set_add): Check has_union.
4923         (do_da_constraint): Move temporary variable so it gets reset
4924         properly.
4925         Also check for special variable.
4926         (do_ds_constraint): Ditto.
4927         (do_sd_constraint): Ditto.
4928         (do_structure_copy): Check for special variable.
4929         (find_func_aliases): Ditto.
4930         (init_base_vars): Set special vars properly.
4931
4932 2005-07-13  Jan Hubicka  <jh@suse.cz>
4933
4934         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4935         do unit-at-a-time.
4936
4937         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4938         (get_expr_operands): Fix thinko wrt flags and subvars.
4939
4940         PR tree-optimize/22379
4941         * tree-inline.c (expand_call_inline): Do not output sorry in early
4942         inlining.
4943
4944 2005-07-12  Dale Johannesen  <dalej@apple.com>
4945
4946         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
4947
4948 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4949
4950         PR bootstrap/21704
4951         * host-linux.h: Include limits.h.
4952
4953 2005-07-12  Dale Johannesen  <dalej@apple.com>
4954
4955         * expr.c (compress_float_constant):  Add cost check.
4956         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
4957
4958 2005-07-12  Dale Johannesen  <dalej@apple.com>
4959
4960         * gcc.target/i386/compress-float-sse.c:  New.
4961         * gcc.target/i386/compress-float-sse-pic.c:  New.
4962         * gcc.target/i386/compress-float-387.c:  New.
4963         * gcc.target/i386/compress-float-387-pic.c:  New.
4964         * gcc.dg/compress-float-ppc.c:  New.
4965         * gcc.dg/compress-float-ppc-pic.c:  New.
4966
4967 2005-07-12  Eric Christopher  <echristo@redhat.com>
4968
4969         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4970         static extra parts.
4971         * config/s390/s390.md: Include tpf.md. Move tpf specific
4972         patterns...
4973         * config/s390/tpf.md: To here.
4974         * config/s390/s390.opt: Move tpf specific options...
4975         * config/s390/tpf.opt: to here. Add mmain option.
4976         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4977         * config/s390/tpf.h: Rewrite.
4978
4979 2005-07-12  Eric Christopher  <echristo@redhat.com>
4980
4981         * gcc.c (struct infile): Update comment for language.
4982         (main): Rewrite input file resetting code.
4983
4984 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4985
4986         PR tree-opt/22335
4987         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4988         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
4989         (lookup_avail_expr): Use constant_boolean_node instead
4990         of boolean_false_node/boolean_true_node.
4991
4992 2005-07-12  Ben Elliston  <bje@au.ibm.com>
4993
4994         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4995         and use it when printing num_edges.
4996
4997 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4998
4999         * doc/extend.texi (Blackfin Built-in Functions): New section.
5000         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5001         @opindex.
5002
5003 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5004
5005         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5006         s/cmpstrsi/cmpstrnsi
5007         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5008         'cmpstrnsi'.
5009         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5010         (init_optabs): Initialize cmpstrn_optab.
5011         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5012         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5013         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5014         * config/i386/i386.md: s/cmpstr/cmpstrn
5015         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5016         * doc/md.texi: Update documentation.
5017
5018 2005-07-11  Richard Henderson  <rth@redhat.com>
5019
5020         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5021         build_va_arg_indirect_ref.
5022         (alpha_gimplify_va_arg): Likewise.
5023         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5024         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5025         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5026         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5027         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5028         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5029         Likewise.
5030         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5031
5032 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5033
5034         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5035         * passes.c (init_optimization_passes): Add pass_empty_loop.
5036         * tree-pass.h (pass_empty_loop): Declare.
5037         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5038         try_remove_empty_loop, remove_empty_loops): New functions.
5039         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5040         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5041
5042 2005-07-12  Peter Barada  <peter@the-baradas.com>
5043
5044         PR middle-end/16719
5045         PR middle-end/18421
5046         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5047         in address registers.
5048         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5049         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5050         alternative of addsi3_5200.
5051
5052 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5053
5054         * config/mips/mips.md (ffs<mode>2): Remove.
5055
5056 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5057
5058         * doc/tree-ssa.texi (Cleanups): Improve description of
5059         TRY_FINALLY_EXPR.
5060         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5061
5062 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5063
5064         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5065         * tree.h (DECL_ARGUMENT_FLD): New macro.
5066
5067 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5068
5069         Fix PR tree-optimization/22404
5070
5071         * tree-ssa-structalias.c (create_variable_info_for): Use
5072         correct offset.
5073
5074 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5075
5076         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5077         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5078         for second comparison operand.
5079         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5080
5081         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5082         (define_insn_reservation "alu"): Likewise.
5083         (csync, ssync): Now of type sync.
5084         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5085         -mcsync-anomaly -mspecld-anomaly.
5086         * config/bfin/bfin.opt (mcsync): Remove.
5087         (mcsync-anomaly, mspecld-anomaly): Add.
5088         * config/bfin/bfin.c: Include "insn-codes.h".
5089         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5090         (TARGET_DEFAULT_TARGET_FLAGS): New.
5091         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5092
5093 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5094
5095         * basic-block.h: Give the BB flags enum a name, bb_flags.
5096         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5097         * cfgcleanup.c (enum bb_flags): Remove here.
5098         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5099         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5100         (update_forwarder_flag): Likewise.
5101         (thread_jump): Likewise.
5102         (try_forward_edges): Likewise.
5103         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5104         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5105         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5106
5107 2005-07-11  Richard Guenther  <rguenther@suse.de>
5108
5109         * config/i386/i386.opt: New target option -msseregparm.
5110         * config/i386/i386.c (override_options): Error out for
5111         -msseregparm but no SSE support.
5112         (ix86_function_sseregparm): Check for global sseregparm.
5113         * doc/invoke.texi: Document -msseregparm.
5114
5115 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5116
5117         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5118         (m32rle-*-linux*): Ditto.
5119
5120 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5121
5122         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5123         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5124         bytes.
5125
5126 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5127
5128         PR middle-end/22239
5129         PR target/20126
5130         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5131         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5132
5133 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5134
5135         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5136         (varmap): Heapify varmap.
5137         (constraints): Heapify constraints.
5138         (struct constraint_graph): Heapify succs and preds.
5139         (constraint_vec_find): Update for heapification.
5140         (constraint_set_union): Ditto.
5141         (insert_into_complex): Ditto.
5142         (constraint_edge_vec_find): Ditto.
5143         (erase_graph_self_edge): Ditto.
5144         (add_graph_edge): Ditto.
5145         (get_graph_weights): Ditto.
5146         (merge_graph_nodes): Ditto.
5147         (build_constraint_graph): Ditto.
5148         (topo_visit): Ditto.
5149         (solve_graph): Ditto.
5150         (create_variable_info_for): Ditto.
5151         (init_base_vars): Ditto.
5152         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5153         (condese_varmap_nodes): Free complex vector.
5154         (clear_edges_for_node): Clear succs and preds vector.
5155
5156 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5157
5158         * tree-ssa-structalias.c (update_alias_info): Change counting of
5159         references to not include vdefs.
5160
5161 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5162
5163         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5164         (up_insert): Ditto.
5165
5166 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5167
5168         * pa.c (pa_commutative_p): Make PLUS commutative when
5169         TARGET_NO_SPACE_REGS is true.
5170
5171 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5172
5173         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5174         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5175         * tree-dfa.c (dump_subvars_for): New.
5176         (debug_subvars_for): New.
5177         (dump_variable): Show subvariables if VAR has them.
5178         * tree-flow-inline.h (get_subvar_at): New.
5179         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5180         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5181         Update all users.
5182         (struct subvar): Change fields offset and size to unsigned
5183         HOST_WIDE_INT.
5184         (dump_subvars_for): Declare.
5185         (debug_subvars_for): Declare.
5186         (get_subvar_at): Declare.
5187         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5188         to unsigned HOST_WIDE_INT *.
5189         (overlap_subvar): Likewise.
5190         * tree-gimple.c (is_gimple_reg): Always return false for
5191         SFTs and memory tags.
5192         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5193         Update all callers.
5194         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5195         (compute_may_aliases): Call compute_points_to_sets.
5196         (collect_points_to_info_for): Remove.
5197         (compute_points_to_and_addr_escape): Remove.
5198         (delete_alias_info): Call delete_points_to_sets.
5199         (compute_flow_sensitive_aliasing): If the call to
5200         find_what_p_points_to returns false, call set_pt_anything.
5201         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5202         (set_pt_anything): Clear pi->pt_vars.
5203         (set_pt_malloc): Remove.
5204         (merge_pointed_to_info): Remove.
5205         (add_pointed_to_expr): Remove.
5206         (add_pointed_to_var): Remove.
5207         (collect_points_to_info_r): Remove.
5208         (is_escape_site): Make extern.
5209         (create_sft): New.
5210         (create_overlap_variables_for): Call it.
5211         * tree-ssa-copy.c (merge_alias_info): Never merge
5212         flow-sensitive alias information.
5213         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5214         offset and size to be unsigned HOST_WIDE_INT.
5215         (add_to_addressable_set): Rename from note_addressable.
5216         Set TREE_ADDRESSABLE as the variables are added to the set.
5217         Update all users.
5218         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5219         operands into VUSEs when adding V_MAY_DEFs for members in an
5220         alias set.
5221         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5222         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5223         (struct variable_info): Add bitfield is_heap_var.
5224         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5225         (new_var_info): Initialize is_heap_var.
5226         (get_constraint_for): Add HEAP variables to the symbol table.
5227         Mark them with is_heap_var.
5228         (update_alias_info): New.  Taken mostly from the old
5229         compute_points_to_and_addr_escape.
5230         (handle_ptr_arith): New.
5231         (find_func_aliases): Call update_alias_info.
5232         Call handle_ptr_info for tcc_binary expressions.
5233         Call mark_stmt_modified.
5234         (create_variable_info_for): If DECL has subvars, do not create
5235         variables for its subvars.  Always add all the fields.
5236         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5237         SFTs, then add all the SFTs of the structure.
5238         If VI->DECL is an aggregate with subvariables, add the SFT at
5239         VI->OFFSET.
5240         (find_what_p_points_to): If VI is an artificial variable,
5241         translate to bitfields in SSA_NAME_PTR_INFO.
5242         If the solution is empty, set pi->pt_vars to NULL
5243         (init_base_vars): Create ANYOFFSET.
5244         (compute_points_to_sets): Rename from create_alias_vars.
5245         Make extern.
5246         (pass_build_pta): Remove.
5247         (delete_points_to_sets): Rename from delete_alias_vars.
5248         (pass_del_pta): Remove.
5249         * tree-ssa-structalias.h (struct alias_info): Move from
5250         tree-ssa-alias.h.
5251         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5252         NUM_REFERENCES_SET): Likewise.
5253         (compute_points_to_sets, delete_points_to_sets): Declare.
5254
5255 2005-07-09  Richard Henderson  <rth@redhat.com>
5256
5257         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5258         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5259         alpha_split_lock_test_and_set_12): New functions.
5260         * config/alpha/alpha-protos.h: Update.
5261         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5262         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5263         * config/alpha/sync.md (I12MODE): New.
5264         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5265         (sync_<fetchop_name><I48MODE>): Likewise.
5266         (sync_nand<I48MODE>): Likewise.
5267         (sync_old_<fetchop_name><I48MODE>): Likewise.
5268         (sync_new_<fetchop_name><I48MODE>): Likewise.
5269         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5270         (sync_compare_and_swap<I48MODE>): Likewise.
5271         (sync_lock_test_and_set<I48MODE>): Likewise.
5272         (sync_compare_and_swap<I12MODE>): New.
5273         (sync_compare_and_swap<I12MODE>_1): New.
5274         (sync_lock_test_and_set<I12MODE>): New.
5275         (sync_lock_test_and_set<I12MODE>_1): New.
5276
5277 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5278
5279         PR 21356
5280         PR 22332
5281         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5282
5283 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5284
5285         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5286         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5287
5288 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5289
5290         PR target/21656
5291         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5292
5293 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5294
5295         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5296         memory_operand constraint.
5297         (store_conditional_<mode>): Same.
5298         (sync_compare_and_swap<mode>): Same.
5299         (sync_lock_test_and_set<mode>): Same.
5300
5301 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5302
5303         Rewrite PIC support to more closely model actual instructions.
5304         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5305         (cris_symbol): Remove prototypes for removed functions.
5306         (cris_pic_symbol_type_of, cris_valid_pic_const)
5307         (cris_expand_pic_call_address): Prototypes for new functions.
5308         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5309         variable.
5310         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5311         modifiers.
5312         <case ':'>: Add case for new punctuation character.
5313         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5314         emitting (extra) PIC modifier.
5315         <case UNSPEC>: Do not assert for PLT.
5316         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5317         (cris_expand_prologue, cris_expand_epilogue): Check
5318         for pic_offset_table_rtx usage instead of taking
5319         current_function_uses_pic_offset_table as the final word.
5320         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5321         Remove flag_pic difference.
5322         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5323         the moral equivalents of...
5324         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5325         functions.
5326         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5327         (cris_handle_option): Mark ARG as unused.
5328         (cris_expand_pic_call_address): New worker function for "call",
5329         "call_value".
5330         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5331         output PIC constructs here.
5332         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5333         as symbol-specific modifers, not whole or part of operands.
5334         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5335         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5336         constants and flag_pic.
5337         (CONSTANT_INDEX_P): Adjust for new functions.
5338         (enum cris_pic_symbol_type): New helper type.
5339         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5340         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5341         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5342         define_constants.
5343         ("movsi"): Emit actual instructions for GOT and relative access.
5344         ("*movsi_got_load"): New pattern to set up the register holding
5345         the GOT pointer.
5346         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5347         Adjust FIXME for 'S'.
5348         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5349         Use "movs" for -fpic cases.
5350         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5351         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5352         ("call", "call_value"): Just call cris_expand_pic_call_address for
5353         PIC addresses.
5354         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5355         Remove special pattern.
5356         ("*expanded_call_side", "*expanded_call_value_side"): New
5357         patterns.
5358         (gotplt-to-plt, gotplt-to-plt-side-call)
5359         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5360         peephole2:s.
5361         * config/cris/cris/predicates.md
5362         ("cris_general_operand_or_gotless_symbol"): Remove unused
5363         predicate.
5364         ("cris_general_operand_or_symbol"): Adjust for new functions.
5365
5366 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5367
5368         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5369
5370 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5371
5372         * Makefile.in (TREE_H): Add treestruct.def.
5373         (c-decl.o): Add pointer-set.h
5374         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5375         visibility on regular DECL's.
5376         (merge_decls): Fix the copying of decl nodes of various types for
5377         the new structures.  Don't update RTL, section name, weak status,
5378         etc, on DECL's without RTL.
5379         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5380         Don't check volatile on non-variable types.
5381         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5382         to check whether we have seen arguments.
5383         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5384         flag is checked before field (flag is common, field is not).
5385         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5386         TS_DECL_COMMON could have an origin.
5387         (add_location_or_const_value_attribute): Don't check section name
5388         on non-var/function decls.
5389         (dwarf2out_var_location): Reverse order of tests.
5390         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5391         with DECL_WRTL_CHECK.
5392         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5393         * fold-const.c (fold_binary): Don't check weakness on
5394         non-var/function decls.
5395         (tree_expr_nonzero_p): Ditto.
5396         (fold_checksum_tree): Use tree_decl_extra as sizeof
5397         buffer.
5398         * ggc-page.c (extra_order_size_table): Add sizes for
5399         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5400         tree_field_decl.
5401         * gimplify.c (gimplify_bind_expr): Only set
5402         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5403         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5404         without RTL.
5405         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5406         * langhooks.h (init_ts). New langhook.
5407         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5408         * print-tree.c (print_node): Update to only print fields that
5409         exist in the structures the passed decl has.
5410         * toplev.c (wrapup_global_declarations): Don't reset
5411         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5412         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5413         * tree-inline.c (remap_decl): Ditto.
5414         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5415         * tree-pretty-print.c (print_declaration): Don't print
5416         DECL_REGISTER on things that don't contain it.
5417         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5418         non-var/function decls.
5419         * tree.c (tree_contains_struct): New structure.
5420         (init_priority_for_decl): New hashtable.
5421         (tree_int_map): New structure.
5422         (tree_int_map_eq): New function.
5423         (tree_int_map_marked_p): Ditto.
5424         (tree_int_map_hash): Ditto.
5425         (tree_map): Move to tree.h.
5426         (tree_map_eq): Externalize.
5427         (tree_map_hash): Ditto.
5428         (tree_map_marked_p): Ditto.
5429         (init_ttree): Set up tree_contains_struct and call langhook.
5430         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5431         (tree_code_size): Update for new structures.
5432         (tree_node_structure): Update for new structures.
5433         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5434         without the field.
5435         (copy_node_stat):  Copy init priority.
5436         (build_decl_stat): Ditto for visibility.
5437         (ts_enum_names): New.
5438         (tree_contains_struct_check_failed): New function.
5439         (decl_init_priority_lookup): Ditto.
5440         (decl_init_priority_insert): Ditto.
5441         * treestruct.def: New file.
5442         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5443         (CONTAINS_STRUCT_CHECK): Ditto.
5444         (tree_contains_struct_check_failed): New prototype.
5445         (DECL_CHECK): Removed.
5446         (DECL_MINIMAL_CHECK): New.
5447         (DECL_COMMON_CHECK): Ditto.
5448         (DECL_WRTL_CHECK): Ditto.
5449         (DECL_NON_COMMON_CHECK): Ditto.
5450         (DECL_WITH_VIS_CHECK): Ditto.
5451         (VAR_OR_FUNCTION_DECL_P): Ditto
5452         (struct tree_decl_minimal): New structure.
5453         (struct tree_decl_common): Ditto.
5454         (struct tree_decl_with_rtl): Ditto.
5455         (struct tree_decl_with_vis): Ditto.
5456         (struct tree_decl_non_common): Ditto.
5457         (struct tree_field_decl): Ditto.
5458         (struct tree_parm_decl): Ditto.
5459         (struct tree_var_decl): Ditto.
5460         (struct tree_function_decl): Ditto.
5461         (struct tree_const_decl): Ditto.
5462         (struct tree_result_decl): Ditto.
5463         (union tree_node): Add new structures.
5464         * var-tracking.c (track_expr_p): Reverse order of tests.
5465
5466         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5467
5468 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5469
5470         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5471         * system.h: Poison FINALIZE_PIC.
5472         * doc/tm.texi (FINALIZE_PIC): Remove.
5473
5474 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5475
5476         PR tree-opt/22329
5477         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5478         to the correct type if we have a MODIFY_EXPR.
5479
5480 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5481
5482         PR tree-optimization/22360
5483         * tree.c (upper_bound_in_type): Fix calculations for casting
5484         to a non-wider signed type and casting a signed value to a
5485         wider unsigned type.
5486         (lower_bound_in_type): Fix calculations for casting to a
5487         non-wider signed type.
5488
5489         PR tree-optimization/20139
5490         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5491         release_defs.
5492         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5493         fold_cond_expr_cond.
5494         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5495         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5496
5497 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5498
5499         PR tree-opt/22356
5500         * tree-complex.c (expand_complex_libcall): Produce
5501         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5502
5503 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5504
5505         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5506         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5507         b" assert and inserted fastpath code for this case.
5508         (bitmap_ior): Removed "a != b" assert.
5509
5510 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5511
5512         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5513         (ENDFILE_SPEC): Likewise.
5514         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5515
5516         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5517         a large stack frame at epilogue.
5518
5519 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5520
5521         * final.c: Include sdbout.h when required.
5522
5523 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5524
5525         * config.gcc (*-*-darwin*): Only one target-specific header file
5526         for generic darwin.
5527         (powerpc-*-darwin*): Add version-specific header files.
5528         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5529         * config.in: Regenerate.
5530         * configure: Regenerate.
5531         * gcc.c: Include xregex.h.
5532         (version_compare_spec_function): New.
5533         (spec_function): Add version-compare.
5534         (replace_outfile_spec_function): Reformat comment.
5535         (compare_version_strings): New.
5536         * config/darwin-c.c (version_as_macro): New.
5537         (builtin_define): New.
5538         (darwin_cpp_builtins): New.
5539         * config/darwin-protos.h (darwin_cpp_builtins): New.
5540         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5541         (LIB_SPEC): Make unconditional, update comment.
5542         (TARGET_C99_FUNCTIONS): Define.
5543         * config/darwin.opt: Sort.
5544         (mmacosx-version-min=): New.
5545         * config/darwin7.h: Delete.
5546         * config/darwin8.h: Delete.
5547         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5548         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5549         (TARGET_C99_FUNCTIONS): Define.
5550         * config/rs6000/darwin7.h: New.
5551         * config/rs6000/darwin8.h: New.
5552         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5553         (-mmacosx-version-min): Document.
5554
5555 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5556
5557         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5558
5559 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5560
5561         PR middle-end/22239
5562         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5563
5564 2005-07-07  Khem Raj  <kraj@mvista.com>
5565
5566         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5567         in bytes, not words.
5568
5569 2005-07-07  Paul Brook  <paul@codesourcery.com>
5570
5571         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5572         DEFAULT_FUNCTION_ARG_PADDING to upward.
5573
5574 2005-07-07  Richard Henderson  <rth@redhat.com>
5575
5576         * function.c (locate_and_pad_parm): Record parameter alignment in
5577         stack_alignment_needed.
5578
5579 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5580
5581         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5582         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5583         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5584         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5585         (define_attr "type"): Add isync, sync, load_l, store_c.
5586         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5587         Create scratch volatile MEM.
5588         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5589         sync.
5590         (load_locked_<mode>): New.
5591         (store_conditional_<mode>): New.
5592         (sync_compare_and_swap<mode>): Replace with splitter.
5593         (sync_lock_test_and_set<mode>): Replace with splitter.
5594         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5595         and UNSPECV_ISYNC.
5596         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5597         is ics.  Attribute isync.
5598         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5599         lwsync.
5600         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5601         and UNSPECV_SYNC_OP.
5602         (emit_unlikely_jump): New.
5603         (emit_load_locked): New.
5604         (emit_store_conditional): New.
5605         (rs6000_split_compare_and_swap): New.
5606         (rs6000_split_lock_test_and_set): New.
5607         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5608         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5609         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5610         rs6000_split_lock_test_and_set): Declare.
5611         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5612         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5613         store_c, isync, sync.
5614
5615 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5616
5617         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5618         filenames to gtyp-gen.h.
5619         (s-typ-gen): Use it in place of for loops.
5620
5621 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5622
5623         * hooks.c (hook_bool_rtx_int_false): New function.
5624         * hooks.h (hook_bool_rtx_int_false): Declare.
5625         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5626         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5627         * target.h (struct gcc_target): Add commutative_p member.
5628         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5629         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5630         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5631         (pa_commutative_p): New function.
5632         * jump.c (target.h): Include.
5633         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5634         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5635
5636 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5637
5638         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5639         (s390_expand_setmem): New.
5640         * config/s390/s390.c: Likewise.
5641         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5642         Adapt comments.
5643         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5644         general_operand.  Call new function "s390_expand_setmem".
5645         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5646         ("setmem_long", "*setmem_long"): ... this.
5647
5648 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5649
5650         * config/s390/s390.c: (optimization_options): Enable
5651         TARGET_MVCLE at -Os.
5652         * doc/invoke.texi: Document changes in default behaviour.
5653         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5654
5655 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5656
5657         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5658         defined by back-end.
5659
5660 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5661
5662         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5663         all sets in the pattern.
5664         * config/rs6000/rs6000.md (stack_protect_testsi,
5665         stack_protect_testdi): Likewise.
5666
5667 2005-07-06  Jeff Law  <law@redhat.com>
5668
5669         * tree-vrp.c (simplify_using_ranges): Kill.
5670         (vrp_finalize): Remove call to simplify_using_ranges.
5671         (simplify_stmt_using_ranges): New function extracted from
5672         simplify_using_ranges.
5673         (simplify_div_or_mod_using_ranges): Likewise.
5674         (simplify_abs_using_ranges): Likewise.
5675         (simplify_cond_using_ranges): New function.
5676         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5677         * tree-ssa-propagate.c (substitute_and_fold): Call
5678         simplify_stmt_using_ranges if we have range information.
5679
5680 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5681
5682         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5683         ia64_flag_schedule_isns2.
5684
5685         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5686         reading/writing general registers.
5687         (ia64_function_arg): Revert 2005-06-18 change.
5688
5689 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5690
5691         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5692         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5693
5694 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5695
5696         * function.c (expand_function_end): Revert part of 2005-06-27
5697         patch.  Do sjlj_emit_function_exit_after after return_label.
5698
5699 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5700
5701         * doc/install.texi (--disable-libssp): New.
5702
5703 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5704
5705         * doc/invoke.texi: Update -fforce-mem documentation.
5706         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5707         code for -fforce-mem.
5708         * expmed.c: (store_bit_field,store_fixed_bit_field,
5709         extract_bit_field): Ditto.
5710         * expr.c: (convert_move): Ditto.
5711         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5712         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5713         emit_conditional_add,expand_float,expand_fix): Ditto.
5714         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5715         (common_handle_option): Issue warning when -fforce-mem specified.
5716
5717 2005-07-06  Paul Brook  <paul@codesourcery.com>
5718
5719         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5720         argument is empty.
5721         * configure: Regenerate.
5722
5723 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5724
5725         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5726
5727 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5728
5729         Fix PR tree-optimization/22319
5730         Fix PR tree-optimization/22140
5731         Fix PR tree-optimization/22310
5732
5733         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5734         variable sized types.
5735         Use correct type for intermediate structure on *a = *b structure
5736         copies.
5737
5738 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5739
5740         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5741         Remove.
5742         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5743         (machine_function): Move typedef to...
5744         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5745         varargs_save_offset field.
5746         (rs6000_stack_t): Remove varargs_size field.
5747         (setup_incoming_varargs): Allocate varargs save area using
5748         assign_stack_local, try to make it as small as possible.
5749         Save offset from virtual_stack_vars_rtx to the save area
5750         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5751         instead of magic 8 when fp word byte size is used.
5752         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5753         instead of -RS6000_VARARGS_SIZE.
5754         (rs6000_stack_info, debug_stack_info,
5755         rs6000_initial_elimination_offset): Remove all traces of
5756         varargs_size.
5757         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5758         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5759         RS6000_VARARGS_AREA.
5760
5761 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5762
5763         PR tree-optimization/21963
5764         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5765         constant_multiple_of in the same way get_computation_cost_at does.
5766
5767 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5768
5769         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5770         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5771         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5772         and return its previous value.
5773         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5774         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5775         constants.
5776         (stack_protect_set, stack_protect_test): New expanders.
5777         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5778         stack_protect_testdi): New insns.
5779         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5780         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5781
5782 2005-07-06  Jeff Law  <law@redhat.com>
5783
5784         * tree-ssa-dce.c (cfg_altered): New global.
5785         (tree_dce_init): Initialize cfg_altered.
5786         (remove_dead_stmt): If we remove an edge in the CFG, then set
5787         CFG_ALTERED.
5788         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5789         the dominators.
5790
5791 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5792
5793         * Makefile.in (stamp-collect-ld): Use
5794         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5795         ./collect-ld if it already exists.
5796         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5797         Don't remove ./nm if it already exists.
5798
5799 2005-07-05  Devang Patel  <dpatel@apple.com>
5800
5801         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5802         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5803         * tree-vectorizer.c (vect_loop_location): New.
5804         (vect_print_dump_info): Use vect_loop_location.
5805         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5806         (vectorize_loops): Set vect_loop_location.
5807         * tree-vect-analyze.c (vect_analyze_offset_expr,
5808         vect_determin_vectorization_factor, vect_analyze_operations,
5809         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5810         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5811         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5812         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5813         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5814         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5815         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5816         vect_analyze_loop): Adjust vect_print_dump_info API.
5817         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5818         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5819         vect_finish_stmt_generation, vectorizable_assignment,
5820         vectorizable_operation, vectorizable_store, vectorizable_load,
5821         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5822         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5823         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5824         vect_transform_loop): Same.
5825         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5826         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5827         Same.
5828
5829 2005-07-05  Randolph Chung  <tausq@debian.org>
5830
5831         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5832         * configure: Regenerate.
5833         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5834         (pa_tls_referenced_p): Declare.
5835         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5836         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5837         (legitimize_tls_address): New.
5838         (hppa_legitimize_address): Handle TLS addresses.
5839         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5840         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5841         (emit_move_sequence): Handle TLS addresses.
5842         (pa_encode_section_info): Call default handler to handle common
5843         sections.
5844         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5845         (CONSTANT_ADDRESS_P): Reject TLS operands.
5846         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5847         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5848         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5849         (UNSPEC_TLSLE): Define new constants.
5850         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5851         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5852         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5853         (tie_symbolic_operand, tle_symbolic_operand): New
5854
5855 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
5856
5857         * aclocal.m4: Update macros for autoconf 2.59 style.
5858         * configure.ac: Likewise.
5859
5860 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5861
5862         * pa.c (function_value): Handle small aggregates on 32-bit targets.
5863         (function_arg): Pass small aggregates in general registers on 32-bit
5864         targets.
5865         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5866
5867 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
5868
5869         * Makefile.in (final.o): Fix dependencies.
5870
5871 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5872
5873         PR c/22013
5874         PR c/22098
5875         * langhooks.h (struct lang_hooks): Add expr_to_decl.
5876         * langhooks.c (lhd_expr_to_decl): New.
5877         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5878         New.
5879         (LANG_HOOKS_INITIALIZER): Update.
5880         * tree.c (recompute_tree_invarant_for_addr_expr): Call
5881         expr_to_decl langhook.
5882         * c-tree.h (c_expr_to_decl): Declare.
5883         * c-typeck.c (c_expr_to_decl): New.
5884         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5885         specially.
5886         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5887
5888 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5889
5890         PR c/22308
5891         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5892         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5893
5894 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
5895
5896         * Makefile.in: Adjust dependencies.
5897         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5898         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5899         * alias.c (rest_of_handle_cfg, pass_cfg): New.
5900         * bb-reorder.c (duplicate_computed_gotos): Make it static.
5901         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5902         rest_of_compilation.
5903
5904         * bb-reorder.c (gate_duplicate_computed_gotos,
5905         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5906         rest_of_handle_reorder_blocks, pass_reorder_blocks,
5907         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5908         pass_partition_blocks): New.
5909         * bt-load.c (gate_handle_branch_target_load_optimize,
5910         rest_of_handle_branch_target_load_optimize,
5911         pass_branch_target_load_optimize): New.
5912         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5913         pass_jump2): New.
5914         * cfglayout.c (pass_insn_locators_initialize): New.
5915         * cfgrtl.c (pass_free_cfg): New.
5916         * combine.c (gate_handle_combine, rest_of_handle_combine,
5917         pass_combine): New.
5918         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5919         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5920         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5921         * except.c (pass_set_nothrow_function_flags,
5922         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5923         pass_rtl_eh): New.
5924         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5925         rest_of_handle_shorten_branches, pass_shorten_branches,
5926         rest_of_clean_state, pass_clean_state): New.
5927         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5928         rest_of_handle_remove_death_notes, pass_remove_death_notes,
5929         rest_of_handle_life, pass_life, rest_of_handle_flow2,
5930         pass_flow2): New.
5931         * function.c (pass_instantiate_virtual_regs, pass_init_function,
5932         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5933         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5934         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5935         pass_gcse): New.
5936         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5937         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5938         pass_rtl_ifcvt, gate_handle_if_after_combine,
5939         rest_of_handle_if_after_combine, pass_if_after_combine,
5940         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5941         pass_if_after_reload): New.
5942         * integrate.c (pass_initial_value_sets): New.
5943         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5944         pass_purge_lineno_notes): New.
5945         * mode-switching.c (rest_of_handle_mode_switching,
5946         pass_mode_switching): New.
5947         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5948         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5949         pass_loop2): New.
5950         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5951         pass_loop_optimize): New.
5952         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5953         pass_sms): New.
5954         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5955         pass_gcse2): New.
5956         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5957         pass_postreload_cse): New.
5958         * profile.c (gate_handle_profiling, pass_profiling,
5959         rest_of_handle_branch_prob, pass_branch_prob): New.
5960         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5961         pass_split_before_regstack, gate_handle_split_before_regstack,
5962         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5963         rest_of_handle_split_all_insns, pass_split_all_insns): New.
5964         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5965         pass_stack_regs): New.
5966         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5967         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5968         pass_stack_adjustments): New.
5969         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5970         pass_regrename): New.
5971         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5972         pass_delay_slots, gate_handle_machine_reorg,
5973         rest_of_handle_machine_reorg, pass_machine_reorg): New.
5974         * rtl.h (extern void purge_line_number_notes): New.
5975         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5976         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5977         pass_sched2): New.
5978         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5979         pass_tracer): New.
5980         * value-prof.c (gate_handle_value_profile_transformations,
5981         rest_of_handle_value_profile_transformations,
5982         pass_value_profile_transformations): New.
5983         * var-tracking.c (gate_handle_var_tracking,
5984         pass_variable_tracking): New.
5985         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5986
5987         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5988         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5989         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5990         rest_of_handle_old_regalloc, rest_of_handle_regrename,
5991         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5992         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5993         rest_of_handle_gcse2, rest_of_handle_regmove,
5994         rest_of_handle_tracer, rest_of_handle_if_conversion,
5995         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5996         rest_of_handle_web, rest_of_handle_branch_prob,
5997         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5998         rest_of_handle_jump_bypass, rest_of_handle_combine,
5999         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6000         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6001         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6002         rest_of_handle_mode_switching, rest_of_handle_jump,
6003         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6004         rest_of_handle_flow2, rest_of_handle_jump2,
6005         rest_of_handle_peephole2, rest_of_handle_postreload,
6006         rest_of_handle_shorten_branches, rest_of_clean_state,
6007         rest_of_compilation): Remove.
6008
6009         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6010         * passes.c (dump_flags, in_gimple_form, all_passes,
6011         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6012         register_dump_files, next_pass_1, last_verified, execute_todo,
6013         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6014         from tree-optimize.c.
6015         (init_optimization_passes): Moved from tree-optimize.c,
6016         adding the RTL optimizations.
6017         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6018         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6019         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6020         register_dump_files, next_pass_1, last_verified, execute_todo,
6021         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6022         init_tree_optimization_passes, ipa_passes): Delete.
6023         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6024         the RTL dumps.
6025         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6026         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6027         from tree.h.
6028         (ipa_passes): Remove.
6029         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6030         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6031         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6032         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6033         (dump_info_p, dump_flag): Moved to tree-dump.h.
6034
6035         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6036         cgraph.c, opts.c.
6037         * passes.c (finish_optimization_passes): Use dump_begin
6038         and dump_end, TDI_end.
6039         (gate_rest_of_compilation): New.
6040         (pass_rest_of_compilation): Use it.
6041         (gate_postreload, pass_postreload): New.
6042         * toplev.c (general_init): Rename init_tree_optimization_passes.
6043         * toplev.h (init_tree_optimization_passes): Rename to
6044         init_optimizations_passes.
6045         * tree-dump.c (dump_flag): Make static.
6046         (dump_files): Remove RTL dumps.
6047         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6048         pass_cleanup_cfg, pass_free_cfg_annotations,
6049         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6050         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6051         * tree-pretty-print.c: Include tree-pass.h.
6052         * cgraph.c: Include tree-dump.h.
6053
6054 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6055
6056         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6057         Only fall back to saying it points to readonly memory if
6058         we can't do better.
6059
6060 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6061
6062         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6063         * config/m32r/m32r.c (m32r_compute_frame_size,
6064         m32r_expand_prologue): Take current_function_profile into
6065         account whenever we reference
6066         current_function_uses_pic_offset_table.
6067         (m32r_finalize_pic): Remove.
6068         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6069
6070 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6071
6072         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6073         instead of $<.  Don't remove ./as if it already exists.
6074
6075 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6076
6077         PR target/21723
6078         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6079         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6080         for complex modes when generating code for PA 1.0.
6081         (VALID_FP_MODE_P): New macro.
6082         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6083         sets for all general and floating point modes.  Align wide floating
6084         point modes to even register boundaries to comply with architectural
6085         requirements.
6086         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6087         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6088         (VALID_FP_MODE_P): New macro.
6089         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6090         sets for all general and floating point modes.  Align wide floating
6091         point modes to even register boundaries to comply with architectural
6092         requirements.
6093
6094 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6095
6096         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6097         to 0.
6098
6099 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6100
6101         * tree-ssa-structalias.c: Don't include expr.h.
6102
6103 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6104
6105         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6106         comments.
6107
6108 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6109
6110         Fix PR tree-optimization/22279
6111
6112         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6113         correct operator.
6114
6115 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6116
6117         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6118
6119 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6120
6121         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6122         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6123         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6124         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6125         config/stormy16/stormy16.c, config/v850/v850.c,
6126         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6127         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6128         Avoid "." or "\n" at end of diagnostics and capital letters at
6129         start of diagnostics.
6130         * combine.c, cse.c: Don't translate dump file output.
6131         * toplev.c (print_version): Only translate output if going to
6132         stderr.
6133
6134 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6135
6136         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6137         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6138         typos.
6139
6140 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6141
6142         * pa.c (fix_range): Fix typo in comment.
6143
6144 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6145
6146         * tree-vrp.c (extract_range_from_assert): Replace
6147         fold (build (...)) with fold_build2.
6148
6149 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6150
6151         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6152         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6153         (format_types_orig, handle_format_attribute): Add support for
6154         format "gcc_gfc".
6155
6156 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6157
6158         * varasm.c (assemble_variable): Fix format specifier thinko.
6159
6160 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6161
6162         PR tree-optimization/22029 (and 22135)
6163         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6164         a phi node before calling dump_vops.
6165
6166 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6167
6168         * tree-dump.h (dump_string_field): Declare.
6169         * tree-dump.c: Use it instead of dump_string.
6170         (dump_string_field): Make non-static.
6171
6172 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6173
6174         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6175         up the minimal CFG stuff always when optimize > 0.  Call
6176         split_all_insns_noflow in PIC case if needed.
6177
6178 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6179             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6180
6181         PR c++/18279
6182         * c-decl.c (c_write_global_declarations): Dump contents of
6183         external scope to.
6184         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6185         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6186         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6187         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6188         is enabled.
6189
6190 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6191
6192         * c-common.h (GCC_DIAG_STYLE): Define.
6193         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6194         version for format checking to 4.1.
6195         * c-format.c: Include toplev.h after c-common.h.
6196         (enum format_type): Add gcc_tdiag_format_type.
6197         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6198         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6199         (format_types_orig): Add gcc_tdiag.
6200         (init_dynamic_diag_info): Support gcc_tdiag formats.
6201         (handle_format_attribute): Likewise.
6202         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6203         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6204         version for format checking to 4.1.
6205         (warning0, warning, error, pedwarn, sorry): Use
6206         ATTRIBUTE_GCC_DIAG.
6207         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6208         (finish_aliases_1): Do not use %qE.
6209         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6210         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6211         Correct format bugs.
6212         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6213         parameter to unsigned HOST_WIDE_INT.
6214         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6215
6216 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6217
6218         PR middle-end/21742
6219         * expr.c (write_complex_part): Use adjust_address for MEM.
6220         (read_complex_part): Same.
6221
6222 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6223
6224         Fix PR tree-optimization/22280
6225
6226         * tree-sra.c (generate_element_init): Remove useless loop.
6227
6228 2005-07-02  Richard Henderson  <rth@redhat.com>
6229
6230         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6231         TLS_MODEL_NONE.
6232         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6233
6234 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6235
6236         PR middle-end/14490
6237         * fold-const.c (fold_binary): Handle the return value of
6238         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6239         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6240
6241 2005-07-02  Jeff Law  <law@redhat.com>
6242
6243         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6244         a eliminate type conversion which feeds an equality comparison
6245         if the original type or either operand in the comparison is a
6246         function pointer.
6247
6248 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6249
6250         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6251         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6252         texts.
6253         * config/avr/avr.c: Do not use '`' as left quote.
6254         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6255         Remove "." from end of diagnostics.  Make diagnostics start with
6256         lowercase letter.
6257
6258 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6259             Joseph S. Myers  <joseph@codesourcery.com>
6260
6261         * toplev.c (default_tree_printer): Handle setting location with
6262         '+' flag.
6263         * c-objc.common.c (c_tree_printer): Likewise.
6264         * c-format.c (gcc_diag_flag_specs): Add '+'.
6265         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6266         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6267         formats.
6268         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6269         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6270         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6271         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6272         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6273         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6274         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6275         format arguments where %J is used without %D.
6276
6277 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6278
6279         * gcc.c (LINK_SSP_SPEC): Define.
6280         (link_ssp_spec): New variable.
6281         (LINK_COMMAND_SPEC): Add %(link_ssp).
6282         (static_specs): Add link_ssp_spec.
6283         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6284         * configure: Rebuilt.
6285         * config.in: Rebuilt.
6286
6287         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6288         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6289         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6290         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6291         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6292         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6293         -0x7008(2) instead of reading __stack_chk_guard variable.
6294         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6295         number.
6296         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6297         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6298         if TARGET_THREAD_SSP_OFFSET is defined.
6299         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6300         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6301
6302         Revert:
6303         2005-06-27  Richard Henderson  <rth@redhat.com>
6304         * libgcc-std.ver (GCC_4.1.0): New.
6305         * libgcc.h (__stack_chk_guard): Declare.
6306         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6307         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6308         * mklibgcc.in (lib2funcs): Add them.
6309
6310 2005-07-01  Richard Henderson  <rth@redhat.com>
6311
6312         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6313         void * before struct sigcontext *.
6314         (x86_fallback_frame_state): Likewise.
6315
6316 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6317
6318         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6319
6320 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6321
6322         PR tree-opt/22269
6323         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6324         we check for SSA_NAME for.
6325
6326 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6327
6328         Fix PR tree-optimization/22071
6329
6330         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6331         function.
6332         (get_constraint_for_component_ref): Use it.
6333
6334 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6335
6336         PR other/22264
6337         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6338         print out the last new line.
6339
6340 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6341
6342         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6343         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6344         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6345         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6346         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6347         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6348         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6349         (enum reg_class): New member CC0_REGS.
6350         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6351         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6352         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6353         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6354         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6355         Adjust for register now described.
6356
6357 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6358
6359         PR target/22262
6360         * config/i386/i386.md (stack_protect_test_si,
6361         stack_protect_test_di): Add earlyclobber for scratch 3.
6362         * config/rs6000/rs6000.md (stack_protect_testsi,
6363         stack_protect_testdi): Add earlyclobber for scratch 3,
6364         remove earlyclobber from scratch 4.
6365
6366 Older entries for 2005 can be found in ChangeLog-2005.