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