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