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