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* libgcc2.c (__popcount_tab): Remove redundant prototype.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-27  Nick Clifton  <nickc@redhat.com>
2
3         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4
5 2005-09-26  Jason Merrill  <jason@redhat.com>
6
7         PR c++/13764
8         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
9
10         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
11
12 2005-09-26  James E Wilson  <wilson@specifix.com>
13
14         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
15         copyright.  Add gcc copyright plus libgcc exception.
16         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
17         copyright.
18         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
19
20 2005-09-26  Jeff Law  <law@redhat.com>
21
22         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
23         about when to iterate.
24
25 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
26
27         PR target/23847
28         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
29         for __complex__ double in -mcpu=G5 mode.
30
31 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
32
33         PR tree-optimization/23942
34         * Makefile.in (SCEV_H): Depends on PARAMS_H.
35         * tree-scalar-evolution.c: Include params.h.
36         (t_bool): New enum.
37         (follow_ssa_edge, follow_ssa_edge_in_rhs,
38         follow_ssa_edge_in_condition_phi_branch,
39         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi): 
40         Change return type to t_bool.  Use a parameter to limit the size of
41         trees that are walked before stopping 
42         (analyze_evolution_in_loop): Initialize the limit to 0.
43         (follow_ssa_edge): Give up by returning t_dont_know if the limit 
44         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
45
46 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
47
48         PR middle-end/23831
49         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
50         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
51
52 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
53
54         * combine.c (make_extraction): Check for valid use of subreg.
55
56 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
57
58         PR target/24055
59         * config/i386/i386.md ("*fistdi2_1"): New pattern.
60         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
61         ("fist<mode>2_with_temp"): Use only register operands.
62
63 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
64
65         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
66         CALL_INSN_FUNCTION_USAGE.
67
68 2005-09-26  Richard Guenther  <rguenther@suse.de>
69
70         PR middle-end/15855
71         * gcse.c: Include hashtab.h, define ldst entry hashtable.
72         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
73         (ldst_entry): Use the hashtable instead of list-walking.
74         (find_rtx_in_ldst): Likewise.
75         (free_ldst_entry): Free the hashtable.
76         (compute_ld_motion_mems): Create the hashtable.
77         (trim_ld_motion_mems): Remove entry from hashtable if
78         removing it from list.
79         (compute_store_table): Likewise^2.
80         (store_motion): Free hashtable in case we did not see
81         any stores.
82
83 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
84
85         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
86         and arg1 if we are passing them to fold_build2.
87
88 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
89
90         PR 23828
91         * config/i386/i386.c (ix86_function_regparm): Fix the test for
92         a nested function.
93
94 2005-09-25  Richard Henderson  <rth@redhat.com>
95
96         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
97         SYMBOL_REF_TLS_MODEL to be correct.
98
99 2005-09-24  Richard Henderson  <rth@redhat.com>
100
101         * ipa-type-escape.c (discover_unique_type): Remove dead code at
102         end of function.  Reindent.
103
104 2005-09-24  Ian Lance Taylor  <ian@airs.com>
105
106         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
107         NEGATE_EXPR/BIT_NOT_EXPR case.
108
109 2005-09-24  Richard Henderson  <rth@redhat.com>
110
111         * c-common.c (handle_mode_attribute): When not modifying in place,
112         create subtypes for enumerations.
113         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
114         * gimplify.c (create_tmp_from_val): Likewise.
115
116 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
117
118         * config/i386/i386.md (*tls_global_dynamic_64,
119         *tls_local_dynamic_base_64): Add missing mode to call.
120         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
121
122 2005-09-24  Jan Hubicka  <jh@suse.cz>
123
124         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
125         (cgraph_clone_node): Likewise.
126         * cgraph.h (cgraph_clone_edge): Update prototype.
127         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
128         duplicated prototypes; add updating argument.
129         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
130         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
131         updating profile.
132         (cgraph_mark_inline_edge): Likewise.
133         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
134         (cgraph_flatten_node): Likewise.
135         (cgraph_decide_recursive_inlining): Likewise.
136         (cgraph_decide_inlining_of_small_function): Likewise.
137         * tree-optimize.c (tree_rest_of_compilation): Likewise.
138
139 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
140             Pete Steinmetz <steinmtz@us.ibm.com>
141
142         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
143         (rldic.): Set type to "compare".
144         (rldicr.): Same.
145         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
146         mfjmpr for MFCTR/MFLR.
147         (movdf_hardfloat64): Same.
148         (movdf_softfloat64): Same.  Correct order of store and move types.
149         (movti_string): Set type to store_ux/load_ux.
150         (load_multiple): Set type to load_ux.
151         (store_multiple): Set type to store_ux.
152         (movmemsi): Set type to store_ux.
153         (output_cbranch direct_return): Set type to jmpreg.
154         (stmw): Set type to store_ux.
155         (lmw): Set type to load_ux.
156         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
157         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
158         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
159         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
160         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
161         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
162         (rios1-fpstore): Increase latency to 3.
163         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
164         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
165
166 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
167             Andrew Pinski  <pinskia@physics.uc.edu>
168
169         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
170         operand2 constraint to "b".
171         (sync_<fetchop_name>di_internal): Same.
172         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
173         to "b".
174         (sync_old_<fetchop_name>di_internal): Same.
175         (sync_new_<fetchop_name>si_internal): Same.
176         (sync_new_<fetchop_name>di_internal): Same.
177
178 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
179
180         PR middle-end/23991
181         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
182         case, define as macros.
183
184         PR rtl-optimization/23837
185         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
186         clobber / clobber match between dest and p->first.
187
188         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
189         (no_conflict_move_test): Update comments.
190
191 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
192
193         * doc/install.texi: Update URL for Jacks.
194         * doc/sourcebuild.texi: Likewise.
195
196 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
197
198         PR target/24007
199         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
200         registers when choosing register preferences.
201         (movdf_hardfloat64): Same.
202
203 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
204
205         * expmed.c (expand_shift): Don't use the target of the rotate as
206         target for the first expanded shift insn.
207         * testsuite/gcc.dg/20050922-1.c: Testcase added.
208
209 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
210
211         PR tree-optimization/22438
212         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
213         preserved iv rhs rewriting specially.
214
215 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
216
217         * tree-data-ref.c (analyze_array_indexes): Only estimate when
218         estimate_only  is true.
219         * tree-flow.h (ref_contains_indirect_ref): New prototype.
220         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
221         tree-ssa-structalias.c 
222         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
223         ref_contains_indirect_ref.
224         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
225
226 2005-09-21  DJ Delorie  <dj@redhat.com>
227
228         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
229         MASK_PTR_A0D0.
230         (mn10300_return_in_memory): Support variable size types also.
231         (mn10300_pass_by_reference): Likewise.
232         (mn10300_function_value): New.
233         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
234         (FUNCTION_OUTGOING_VALUE): Likewise.
235         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
236         * doc/invoke.texi: Document it.
237
238 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
239
240         PR target/22585
241         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
242         force integer op1 into register for XFmode compares.
243
244 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
245
246         PR middle-end/23971
247         * expmed.c (alg_code): Add alg_impossible.
248         (alg_hash_entry): Add cost.
249         (synth_mult): Record alg_impossible in the hash table if
250         multiplication by a given integer is impossble within the
251         limit.  Speed up using alg_impossible.
252
253 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
254
255         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
256         argument.  Allow and set any offset if needs_anyoffset is passed
257         in.
258         (get_constraint_for): Add argument here too.
259         Pass it down.
260         (do_structure_copy): Pass NULL to get_constraint_for.
261         (handle_ptr_arith): Ditto.
262         (find_func_aliases): Ditto.
263
264 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
265
266         PR rtl-optimization/23898
267         * output.h (get_attr_min_length): Declare.
268         * final.c (get_attr_length_1): New function, broken out of:
269         (get_attr_length).
270         (get_attr_min_length): New function.
271         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
272         (duplicate_computed_gotos): Likewise.
273         * genattr.c (insn_min_length): Generate declaration.
274         * genattrtab.c (min_fn, min_attr_value): New functions.
275         (make_length_attrs): Generate insn_min_length.
276
277 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
278
279         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
280
281 2005-09-20  Richard Henderson  <rth@redhat.com>
282
283         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
284         EXPAND_STACK_PARM.
285
286 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
287
288         * c.opt (fextended-identifiers): New.
289         * c-opts.c (c_common_handle_option): Handle
290         -fextended-identifiers.
291         * doc/cpp.texi: Update documentation of extended identifiers.
292         * doc/cppopts.texi (-fextended-identifiers): Document.
293
294 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
295
296         PR tree-optimization/23929
297         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
298         if expr is NULL.
299
300         PR tree-optimization/23818
301         * tree-stdarg.c (execute_optimize_stdarg): Call
302         calculate_dominance_info.
303
304 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
305
306         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
307         (analyze_siv_subscript_cst_affine): Add weak SIV test.
308         (compute_overlap_steps_for_affine_1_2): Use
309         get_number_of_iters_for_loop.
310         (analyze_subscript_affine_affine): Check whether difference is
311         zero first.
312         Use get_number_of_iters_for_loop.
313         Check whether overlap occurs outside of bounds.
314         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
315
316 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
317
318         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
319         base register if possible.
320
321 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
322
323         PR tree-optimization/18463
324         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
325         converting it directly is not possible.
326         (chrec_convert_aggressive): New function.
327         * tree-chrec.h (chrec_convert_aggressive): Declare.
328         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
329         Fold chrec conversions aggressively if asked to.
330         (instantiate_parameters): Modified because of changes in
331         instantiate_parameters_1.
332
333 2005-09-19  Richard Henderson  <rth@redhat.com>
334
335         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
336         (reduc_splus_v2df): New.
337
338 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
339
340         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
341         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
342
343 2005-09-19  Richard Henderson  <rth@redhat.com>
344
345         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
346         vcondu<SSEMODE12>.
347
348 2005-09-19  Richard Henderson  <rth@redhat.com>
349
350         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
351         (ia64_expand_dot_prod_v8qi): New.
352         * config/ia64/ia64-protos.h: Update.
353         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
354         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
355         sdot_prodv8qi, sdot_prodv4hi): New.
356         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
357
358 2005-09-19  Richard Henderson  <rth@redhat.com>
359
360         PR 23941
361         * real.c (exact_real_truncate): Return false if the format cannot
362         represent the number as a normal.
363
364         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
365         for a memory source.
366
367 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
368
369         * tree-ssa-operands.c (swap_tree_operands): Export.
370         * tree.h (swap_tree_operands): Declare.
371         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
372         Call swap_tree_operands.
373         
374 2005-09-19  Richard Henderson  <rth@redhat.com>
375
376         * tree-flow.h (merge_alias_info): Declare.
377         * tree-ssa-copy.c (merge_alias_info): Export.
378         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
379         (vect_create_data_ref_ptr): Use create_iv directly.
380         (vectorizable_load): Use correct types for integer constants.
381         (vect_generate_tmps_on_preheader): Likewise.
382         (vect_gen_niters_for_prolog_loop): Likewise.
383
384 2005-09-19  Steven Bosscher  <stevenb@suse.de>
385
386         PR rtl-optimization/23943
387         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
388
389 2005-09-18  Jan Hubicka  <jh@suse.cz>
390
391         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
392
393 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
394
395         * varasm.c (output_constant): Do not abort on conversions to union
396         types between different sizes.
397
398 2005-09-18  Richard Guenther  <rguenther@suse.de>
399
400         PR middle-end/23944
401         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
402         fallback.
403
404 2005-09-18  Paul Brook  <paul@codesourcery.com>
405
406         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
407
408 2005-09-17  Richard Henderson  <rth@redhat.com>
409
410         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
411         * tree-ssa-loop.c (pass_vect_dce): Remove.
412         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
413         of pass_vectorize.
414
415 2005-09-17  Richard Henderson  <rth@redhat.com>
416
417         * tree-pass.h (pass_vect_dce): Declare.
418         * passes.c (init_optimization_passes): Add it.
419         * tree-flow.h (tree_ssa_dce): Declare.
420         * tree-ssa-dce.c (tree_ssa_dce): Export.
421         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
422         (gate_tree_vectorize): ... here.
423         (pass_vect_dce): New.
424
425 2005-09-17  Jan Hubicka  <jh@suse.cz>
426
427         * except.c (struct eh_status): Turn region_array into vec.
428         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
429         convert_from_eh_region_ranges, find_exception_handler_labels, 
430         current_function_has_exception_handlers, assign_filter_values, 
431         build_post_landing_pads, dw2_build_landing_pads,
432         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
433         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
434         foreach_reachable_handler, can_throw_internal_1,
435         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
436         region_array.
437         (duplicate_eh_region_1): Update region_array.
438         (duplicate_eh_regions): Resize region_array and avoid recomputing.
439
440 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
441
442         PR middle-end/22067
443         * expmed.c (expand_mult): Substitute simple register for op0 when
444         computing max_cost.
445
446 2005-09-17  Richard Henderson  <rth@redhat.com>
447
448         * expr.c (emit_move_via_integer): Add force argument, pass it on
449         to emit_move_change_mode.  Update callers.
450         (emit_move_complex): Pass true to new force argument.
451         * function.c (expand_function_end): Move expand_eh_return call
452         earlier.  Merge sub-word complex values into a pseudo before
453         copying to the return hard register.
454
455 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
456
457         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
458         between different sizes.
459
460 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
461
462         PR 23903
463
464         * passes.c (init_optimization_passes): Register dump files for
465         IPA passes first.
466
467 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
468
469         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
470         * config/s390/s390.c (s390_overlap_p): New function.
471         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
472         peephole2, "*xc" peephole2): Added overlap check to the peephole2
473         condition.
474
475 2005-09-16  Richard Guenther  <rguenther@suse.de>
476
477         * ipa-pure-const.c (static_execute): Free auxiliar information.
478         * ipa-type-escape.c (discover_unique_type): Free temporary key.
479         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
480
481 2005-09-15  DJ Delorie  <dj@redhat.com>
482
483         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
484
485 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
486
487         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
488         to order operands.
489         (swap_commutative_operands_with_target): New.
490
491 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
492
493         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
494         parameter.
495         Update callers.
496         (estimate_iters_using_array): New function.
497         * tree-data-ref.h (estimate_iters_using_array): Prototype
498         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
499         Use estimate_iters_using_array instead of analyze_array.
500         
501 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
502
503         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
504         as addressable.
505
506 2005-09-15  Michael Matz  <matz@suse.de>
507
508         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
509
510 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
511
512         PR tree-optimization/23835
513         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
514         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
515
516 2005-09-14  Richard Henderson  <rth@redhat.com>
517
518         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
519         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
520
521 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
522
523         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
524         in the ARRAY_TYPE case.
525
526 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
527
528         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
529
530 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
531
532         PR middle-end/22480
533         * tree-vect-transform.c (vectorizable_operation): Return false for
534         scalar shift operations and for vector shift operations with
535         non-invariant shift arguments.  Use scalar tree operand op1 as
536         a shift operand when vector shift insn pattern uses scalar shift
537         operand.
538         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
539
540 2005-09-14  Olivier Hainque  <hainque@adacore.com>
541
542         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
543         value if it has side-effects.
544
545 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
546
547         PR target/22068
548         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
549
550 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
551
552         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
553         passed as NAME as if it were label at start of function code.
554
555 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
556
557         * config/sh/sh.md (*movv4sf_i): Add general register cases to
558         the constraints.
559
560 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
561
562         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
563         as early clobber.  Rewrite so the PIC register is not implicitly used.
564
565 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
566
567         * tree.c (annotate_with_file_line): Compare line numbers before
568         file names.
569
570 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
571
572         PR target/23816
573         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
574         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
575
576 2005-09-13  Ian Lance Taylor  <ian@airs.com>
577
578         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
579         than a HOST_WIDEST_INT to gen_doloop_begin.
580
581 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
582
583         * tree-dfa.c (dump_variable): Guard against NULL annotations.
584
585 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
586
587         PR tree-optimize/23817
588         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
589
590 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
591
592         PR target/23774
593         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
594         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
595         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
596         (restore_stack_nonlocal): Likewise.
597         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
598
599 2005-09-12  Ian Lance Taylor  <ian@airs.com>
600
601         PR g++/7874
602         * c.opt (ffriend-injection): New C++ option.
603         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
604         (C++ Dialect Options): Document -ffriend-injection.
605
606 2005-09-12  Josh Conner  <jconner@apple.com>
607
608         PR middle-end/23237
609         * ipa-reference.c (static_execute): Don't mark variables in
610         named sections TREE_READONLY.
611
612 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
613
614         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
615         stack_tie.
616
617 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
618
619         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and 
620         V_MUST_DEF instead of just the first_use_p.
621         Don't mark the virtual variables for renaming on the statement which 
622         is being removed.
623         (pass_dse): Remove TODO_update_ssa.
624
625 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
626
627         PR middle-end/23290
628         * stor-layout.c (compute_record_mode): For records with a single
629         field, actually check the field's mode size against the type size.
630
631         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
632         registers for TARGET_SHMEDIA.
633         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
634         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
635         of GENERAL_REGS and FP_REGS.
636
637 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
638
639         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
640
641 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
642
643         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
644         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
645         are omitted.  Exclude stack_tie insn too.
646
647 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
648
649         PR rtl-optimization/23098
650         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
651         0.0f is easy.
652         * config/rs6000/rs6000.md (movdf splitter): Use
653         const_double_operand predicate for TARGET_POWERPC64.
654         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
655         SYMBOL_REF method to ABI_V4.
656
657         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
658         replace_equiv_address.
659         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
660         rs6000_sr_alias_set and MEM_NOTRAP.
661         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
662
663 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
664
665         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
666         handle CALL_EXPR again.
667
668 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
669
670         * arm/predicates.md (alignable_memory_operand): Delete.
671
672 2005-09-10  Richard Henderson  <rth@redhat.com>
673
674         PR debug/23806
675         * dbxout.c (dbxout_expand_expr): New.
676         (dbxout_symbol): Use it.
677
678 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
679
680         * arm.c (arm_gen_rotated_half_load): Delete.
681         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
682         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
683         (thumb_set_return_address): Likewise.
684         (thumb_load_double_from_address): Use adjust_address.
685         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
686         (extendhsisi2_mem, movhi_bytes): Use change_address.
687         (movhi): Use widen_memory_access.
688         (reload_out_df): Use replace_equiv_address.
689         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
690
691 2005-09-09  Richard Henderson  <rth@redhat.com>
692
693         PR debug/20998
694         * dbxout.c: Include expr.h.
695         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
696         (dbxout_symbol): Handle DECL_VALUE_EXPR.
697         * Makefile.in (dbxout.o): Add EXPR_H.
698
699 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
700
701         PR tree-optimization/23509
702         * tree-cfg.c (replace_uses_by): Use replace_exp.
703         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
704         pointers have name_mem_tag or type_mem_tag set.
705
706 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
707
708         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
709         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
710         of wrongly accessing operands.
711
712 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
713
714         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
715         * tree-chrec.c: Include tree-scalar-evolution.h.
716         (chrec_convert): Instantiate the base and step before calling
717         scev_probably_wraps_p that would fail on parametric evolutions.
718         Collect all the fails into a single section failed_to_convert,
719         print a diagnostic, and return chrec_dont_know instead of calling
720         fold_convert.
721         * tree-scalar-evolution.c (loop_closed_phi_def): New.
722         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
723         phi nodes.
724         (scev_const_prop): Don't replace the definition of a loop closed ssa
725         phi node by itself, or by another loop closed ssa phi node.
726         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
727         that base and step are defined.
728
729 2005-09-09  Richard Guenther  <rguenther@suse.de>
730
731         PR c++/23624
732         * fold-const.c (fold_ternary): Check truth_value_p before
733         calling invert_truthvalue.
734
735 2005-09-09  Nick Clifton  <nickc@redhat.com>
736
737         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
738         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
739         dimension of these arrays.
740         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
741         these arrays.
742         * longlong.h: Only provide a prototype for the __clz_tab[] array
743         if this header has not been included from libgcc2.h.
744         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
745         defining own types.
746         Provide prototypes for exported functions.
747         Use the __clz_tab[] and __popcount_tab[] arrays provided by
748         libgcc2.c.
749
750 2005-09-08  Josh Conner  <jconner@apple.com>
751
752         PR c++/21135
753         PR c++/23180
754         * expr.c (expand_expr_addr_expr_1): Don't invoke
755         expand_simple_binop for EXPAND_INITIALIZER.
756
757 2005-09-08  Richard Henderson  <rth@redhat.com>
758
759         PR debug/23190
760         * toplev.c (wrapup_global_declaration_1): Split out ...
761         (wrapup_global_declaration_2): ... from ...
762         (wrapup_global_declarations): ... here.  Return bool.
763         (check_global_declaration_1): Split out ...
764         (check_global_declarations): from here.
765         (emit_debug_global_declarations): New.
766         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
767         check_global_declaration_1, emit_debug_global_declarations): Declare.
768         * c-decl.c (c_write_global_declarations_1): Don't create a vector
769         of decls.  Call wrapup_global_declaration_1,
770         wrapup_global_declaration_2, check_global_declaration_1 directly.
771         (c_write_global_declarations_2): New.
772         (ext_block): New.
773         (c_write_global_declarations): Call c_write_global_declarations_2.
774         * langhooks.c (write_global_declarations): Call
775         emit_debug_global_declarations.
776
777         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
778         remove decls that have DECL_RTL_SET_P.
779         * passes.c (rest_of_decl_compilation): Invoke
780         cgraph_varpool_finalize_decl for all but functions.
781
782 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
783
784         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
785         the result of a conversion if the new min and max cannot be compared.
786
787 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
788
789         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
790         (override_options): Setting s390_sr_alias_set removed.
791         (save_fpr, save_gprs): Set alias set to vararg or frame.
792         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
793         s390_sr_alias_set with get_frame_alias_set ().
794         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
795         get_varargs_alias_set ().
796
797 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
798
799         PR objc/20574
800         PR objc/19324
801         * c-parser.c (c_parser_objc_method_definition): If the next
802         token is not "{", error out and don't start the function.
803
804 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
805
806         * tree-vrp.c (extract_range_from_expr): Move the check for non
807         nullness after the check for gimple invariant.
808
809 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
810
811         * tree.c (host_integerp, tree_low_cst): Correct function comment.
812
813 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
814
815         PR target/23747
816         * config/m32r.md (movmemsi_internal): Canonicalize order of
817         operands in PLUS component of template.
818
819 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
820
821         * reload1.c (fixup_eh_region_note): Remove assertion.
822         (fixup_abnormal_edges): Reverted removal of call to 
823         find_many_sub_basic_blocks made on 2005-08-31.
824
825 2005-09-07  Richard Henderson  <rth@redhat.com>
826
827         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
828         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
829         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
830         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
831         rearrange for better packing.
832         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
833         (lookup_cfa_1): Remove inline marker.
834         (cfa_equal_p): Split out of ...
835         (def_cfa_1): ... here.  Use INVALID_REGNUM.
836         (build_cfa_loc): Handle !cfa->indirect.
837         (frame_pointer_cfa_offset): New.
838         (dbx_reg_number): Assert register elimination performed; do
839         leaf register remapping.
840         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
841         (eliminate_reg_to_offset): New.
842         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
843         for verifiably local stack frame addresses; re-base to CFA.
844         (mem_loc_descriptor): Remove can_use_fbreg argument.
845         (concat_loc_descriptor, loc_descriptor): Likewise.
846         (containing_function_has_frame_base): Remove.
847         (rtl_for_decl_location): Don't do register elimination or
848         leaf register remapping here.
849         (secname_for_decl): Split out from ..
850         (add_location_or_const_value_attribute): ... here.
851         (convert_cfa_to_loc_list): New.
852         (compute_frame_pointer_to_cfa_displacement): New.
853         (gen_subprogram_die): Use them.
854         * tree.h (frame_base_decl): Remove.
855         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
856         (prologue_stack_adjust): Remove.
857         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
858         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
859         (set_frame_base_location): Remove.
860         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
861         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
862         (vt_add_function_parameters): Don't eliminate_regs.
863         (vt_initialize): Don't create frame_base_decl.
864
865 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
866
867         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
868         version of GNU binutils for 4.x and later.
869
870 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
871
872         * ggc-page.c (ggc_push_context): Remove.
873         (ggc_pop_context): Likewise.
874         * ggc.h (ggc_push_context): Remove.
875         (ggc_pop_context): Likewise.
876
877 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
878
879         PR target/8973
880         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
881         returning from an interrupt handler.
882
883 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
884
885         PR target/8972
886         * config/arc/arc.c (output_shift): Add check for loop count when
887         optimizing.
888
889 2005-09-06  Steven Bosscher  <stevenb@suse.de>
890
891         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
892         form manually.
893         (abs_replacement): Likewise.
894         (pass_phiopt): Remove TODO_update_ssa.
895
896 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
897
898         PR c/23075
899         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
900         if "return with no value, in function returning non-void" warning
901         has been issued.
902         * tree-cfg.c (execute_warn_function_return): Don't look at
903         RETURN_EXPRs with TREE_NO_WARNING set.
904
905         PR target/22362
906         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
907         for internal functions doesn't use registers used by global registers
908         variables.  Use fewer register parameters if there are global register
909         variables.
910
911 2005-09-06  Olivier Hainque  <hainque@adacore.com>
912             Eric Botcazou  <ebotcazou@adacore.com>
913
914         PR middle-end/14997
915         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
916         when we would be extracting outside its bit span (bitpos+bitsize
917         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
918         Ada unchecked conversions.
919
920 2005-09-06  Steven Bosscher  <stevenb@suse.de>
921
922         * tree-ssa-pre.c (try_look_through_load): New function.
923         (compute_avail): Use it to try to look through loads for some
924         more useful expressions.
925
926 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
927
928         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
929         condition for detecting cases like (a&a) and (a^a).
930
931 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
932
933         * common.opt: Add option ftree-vect-loop-version.
934         * params.def: Add --param vect-max-version-checks.
935         * doc/invoke.texi: Document ftree-vect-loop-version and
936         --param vect-max-version-checks.
937         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
938         may_misalign_stmts and defines for accessors.
939         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
940         LOOP_VINFO_MAY_MISALIGN_STMTS.
941         (destroy_loop_vec_info): VEC_free for
942         LOOP_VINFO_MAY_MISALIGN_STMTS.
943         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
944         Update documentation.
945         (vect_update_misalignment_for_peel): New.
946         (vect_enhance_data_refs_alignment): Update to choose loop
947         peeling or loop versioning if appropriate for the (potentially)
948         unaligned data references in the loop.
949         (vect_analyze_data_refs_alignment): Remove call to
950         vect_enhance_data_refs_alignment so the checks can be done
951         earlier.
952         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
953         and move up call to vect_analyze_data_refs_alignment.
954         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
955         (vect_transform_loop): Add call to loop_version.
956
957 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
958
959         PR rtl-optimization/23098
960         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
961         * simplify-rtx.c (constant_pool_reference_p): New function.
962         * rtl.h (constant_pool_reference_p): New prototype.
963         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
964         constant_pool_reference_p in condition and
965         avoid_constant_pool_reference in preparation statements.
966
967 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
968
969         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
970         STRICT_LOW_PART SETs.
971
972 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
973
974         PR middle-end/21460
975         * except.c (sjlj_emit_function_enter): Find the function begin
976         note even when it's not in first basic block.
977
978 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
979
980         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
981         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
982         * aclocal.m4: Regenerate.
983
984 2005-09-05  DJ Delorie  <dj@redhat.com>
985
986         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
987         of macro.
988
989 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
990
991         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
992         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
993         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
994         Follow spelling conventions.
995         * doc/invoke.texi: Follow spelling conventions.
996
997 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
998
999         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1000         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1001         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1002
1003 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1004
1005         PR target/23683
1006         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1007         (output_stack_adjust): Use gen_tmp_stack_mem.
1008         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1009         (sh_set_return_address, sh_allocate_initial_value): Likewise.
1010         (sh_get_pr_initial_val): Likewise.
1011         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1012         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
1013         * sh.md (divsi_inv_m0): Use gen_const_mem.
1014         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1015         (movdf_i4+1): Use gen_tmp_stack_mem.
1016         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1017         (fpu_switch+2): Likewise.
1018         (movv4sf_i, movv16sf_i): Use adjust_address.
1019         (symGOT_load): Set MEM_NOTRAP_P bit.
1020
1021 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1022
1023         PR target/23721
1024         * pa.c (emit_move_sequence): Fix typo in last change.
1025
1026 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
1027
1028         PR rtl-optimization/23454
1029         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1030         is true.
1031
1032 2005-09-03  Richard Henderson  <rth@redhat.com>
1033             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1034
1035         PR middle-end/23671
1036         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1037         gen_rtx_MEM.
1038
1039 2005-09-02  Nicolas Pitre <nico@cam.org>
1040
1041         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1042         to bit_count to 32 bits.
1043
1044 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
1045
1046         PR c++/23167
1047         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1048         generating synthetic loads from volatile lvalues.
1049
1050 005-09-02  Nick Clifton  <nickc@redhat.com>
1051
1052         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1053         __ctzhi2, __clzhi2): New functions.
1054
1055 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
1056
1057         PR middle-end/23547
1058         * tree-nested.c (struct var_map_elt): Mark with GTY.
1059         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
1060         var_map_elt.
1061         (lookup_field_for_decl): Allocate new element in GC memory.
1062         (lookup_tramp_for_decl): Likewise.
1063         (convert_nl_goto_reference): Likewise
1064         (create_nesting_tree): Allocate info in GC memory. Likewise for
1065         info->var_map.
1066         (free_nesting_tree): Free with ggc_free instead of free.
1067         (root): New static variable.
1068         (lower_nested_functions): Remove root as local variable.  And zero out
1069         root at the end of the function.
1070
1071 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
1072
1073         PR rtl-optimization/20365
1074         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1075         to short.  New member ix.
1076         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1077         (simplify_plus_minus): Initialize ix members before calling qsort.
1078
1079 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
1080
1081         PR tree-optimization/23626
1082         * tree-cfg.c (replace_uses_by): Clean up eh info.
1083
1084 2005-09-01  DJ Delorie  <dj@redhat.com>
1085
1086         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1087         fprintf.
1088
1089 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
1090
1091         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1092         (rs6000_split_multireg_move): Use replace_equiv_address instead of
1093         gen_rtx_MEM.
1094
1095 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1096
1097         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
1098         do not issue warning for a variable definition following
1099         a declaration.
1100
1101 2005-09-01  Richard Henderson  <rth@redhat.com>
1102
1103         PR 23668
1104         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1105         conversion to CONST_VECTOR.
1106
1107 2005-09-01  Richard Henderson  <rth@redhat.com>
1108
1109         PR 23676
1110         * reload1.c (reload_as_needed): Check !CALL_P before calling
1111         fixup_eh_region_note.
1112         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1113
1114 2005-09-01  DJ Delorie  <dj@redhat.com>
1115
1116         * varasm.c (output_constant): Let the target resolve
1117         conversions of addresses to non-default pointer sizes.
1118
1119 2005-09-01  Nicolas Pitre <nico@cam.org>
1120
1121         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1122         to alow matching ARM pre-indexed addressing mode.
1123         (arm_override_options): Remove now irrelevant comment.
1124
1125 2005-09-01  Phil Edwards  <phil@codesourcery.com>
1126
1127         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
1128         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
1129         * config/i386/vxworks.h:  Likewise.
1130         * config/i386/t-vxworksae:  New file, for VxWorks AE.
1131         * config/i386/vxworksae.h:  Likewise.
1132
1133 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
1134
1135         PR tree-optimization/23410
1136         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1137         sequence is not wrapping during the first step.
1138
1139 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1140
1141         PR debug/7241
1142         * dwarf2out.c (base_type_die): Compare char_type_node with
1143         TYPE_MAIN_VARIANT (type), not type.
1144
1145 2005-09-01  Richard Guenther  <rguenther@suse.de>
1146
1147         PR tree-optimization/15366
1148         * common.opt: Add -finline-functions-called-once.
1149         Put -fearly-inlining in alphabetically ordered place.
1150         * doc/invoke.texi: Document new option.
1151         * ipa-inline.c (cgraph_decide_inlining): Honour
1152         flag_inline_functions_called_once.
1153
1154 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1155
1156         PR rtl-optimization/23478
1157         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1158         (alloc_qty): Initialize it.
1159         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1160         (combine_regs): Combine also n_throwing_calls_crossed fields.
1161         (find_free_reg): Don't attempt to caller-save pseudos crossing
1162         calls that might throw.
1163         * global.c (struct allocno): Add throwing_calls_crossed field.
1164         (global_alloc): Revert 2005-08-22 change.  Initialize
1165         throwing_calls_crossed.
1166         (find_reg): Don't attempt to caller-save pseudos crossing calls that
1167         might throw.
1168
1169 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
1170
1171         PR target/23649
1172         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1173         (mask64_operand): Reinstate code prior to 2005-06-11 change.
1174         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1175         (and64_2_operand): Tweak to use predicate.
1176         (and_operand): Adjust for mask_operand changes.
1177         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1178         (print_operand): Likewise.
1179         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1180         (mask64_1or2_operand): Delete.
1181         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1182         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1183         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1184         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1185         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1186         (rotldi3_internal4): Likewise.
1187         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1188         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1189         (ashldi3_internal7): Likewise.
1190         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1191         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1192         (anddi3 split): Don't match mask64_operand.
1193         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1194         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1195         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1196         't' splitter predicate.
1197         (movdi_internal64 + 2): Revert 2005-06-11 change.
1198
1199 2005-08-31  DJ Delorie  <dj@redhat.com>
1200
1201         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1202         (m32c_asm_integer): Add support for 32 bit pointers.
1203
1204 2005-08-31  Richard Henderson  <rth@redhat.com>
1205
1206         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1207         component-like references for setting MEM_NOTRAP_P.
1208
1209         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1210         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1211
1212 2005-08-31  Richard Henderson  <rth@redhat.com>
1213
1214         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1215         into a pseudo before applying gen_lowpart.
1216
1217 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1218
1219         * doc/install.texi (Specific): Update cctools version required
1220         for full functionality.
1221         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1222         linkers as -macosx_version_min.
1223
1224 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1225
1226         PR target/21255
1227         * sh.c (print_operand, %R and %S): Add handling of floating point
1228         registers, memory, constants and invalid operands.
1229
1230 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1231
1232         * ipa-pure-const.c: Change dump name.
1233
1234 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1235
1236         PR target/23570
1237         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1238         to "reg_or_0_operand".
1239         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1240
1241 2005-08-31  Dale Johannesen  <dalej@apple.com>
1242
1243         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1244         loops that count down.
1245
1246 2005-08-31  Richard Henderson  <rth@redhat.com>
1247
1248         PR rtl-opt/23601
1249         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1250         (fixup_eh_region_note): New.
1251         (reload_as_needed): Call it.
1252         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1253         don't call find_many_sub_basic_blocks; call verify_flow_info.
1254         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1255         (keep_stack_depressed): Likewise.
1256         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1257
1258 2005-08-31  Richard Henderson  <rth@redhat.com>
1259
1260         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1261         fp return matching.
1262
1263 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1264
1265         * expr.c (expand_expr_real_1): Compare size of address 
1266         mode to target's address mode size in deciding expansion of 
1267         the constant address.
1268
1269 2005-08-31  Richard Guenther  <rguenther@suse.de>
1270
1271         PR middle-end/23477
1272         * expr.c (all_zeros_p): New function.
1273         (expand_expr_real_1): Handle the case of an all-zero
1274         non-addressable constructor separately.
1275
1276 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1277
1278         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1279         arguments, adjust all callers.
1280         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1281
1282 2005-08-30  Richard Henderson  <rth@redhat.com>
1283
1284         PR target/23630
1285         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1286         whenever the mode sizes match.
1287
1288 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1289
1290         * calls.c (load_register_parameters): Fix comment typo.
1291         * expr.c (emit_push_insn): Comment formatting.
1292
1293 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1294
1295         * config/i386/x-cygwin (host-cygwin): Change dependency from
1296         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1297
1298 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1299
1300         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1301         parts of 'vals'.
1302
1303 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1304
1305         PR middle-end/23408
1306         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1307         call to ggc_collect.
1308
1309 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1310
1311         PR bootstrap/21268
1312         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1313         beginning.  Remove $(INCLUDES) from all the rules, if following
1314         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1315
1316 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1317
1318         PR middle-end/23484
1319         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1320         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1321         not constant, but maxlen is, don't set len to maxlen, rather
1322         set maxlen to len if len is a constant.
1323
1324 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1325
1326         PR tree-optimization/23475
1327         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1328         and counts.
1329
1330 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1331
1332         Fix PR middle-end/22455
1333
1334         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1335         Checksum only the parts of the tree that exist for the tree code.
1336
1337 2005-08-28  Dale Johannesen  <dalej@apple.com>
1338
1339         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1340
1341 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1342
1343         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1344
1345 2005-08-28  Richard Henderson  <rth@redhat.com>
1346
1347         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1348         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1349         of char_type_node.
1350
1351 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1352
1353         PR ada/23593
1354         * builtins.c (get_memory_rtx): Don't strip nops
1355         in between COMPONENT_REFs.
1356
1357 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1358
1359         PR middle-end/23463
1360         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1361         types.
1362         (gimplify_modify_expr): Check for zero sized types and gimplify the
1363         rhs and lhs as statements.
1364
1365 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1366
1367         PR libgcj/23508
1368         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1369         state for return address column of signal frames.
1370
1371 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1372
1373         PR target/23539
1374         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1375         bytes >= 2 not bytes == 2.
1376         (expand_block_move): Same.
1377
1378 2005-08-27  Richard Guenther  <rguenther@suse.de>
1379
1380         PR target/23575
1381         * config/i386/sse.md (sse2_movsd): Add missing closing
1382         braces.
1383
1384 2005-08-27  Paul Brook  <paul@codesourcery.com>
1385
1386         * genrecog.c (enum decision_type): Add DT_num_insns.
1387         (struct decision_test): Add u.num_insns.
1388         (add_to_sequence): Add DT_num_insns test.
1389         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1390         (write_cond, debug_decision_2): Ditto.
1391         (change_state): Assume peep2_next_insn never fails.
1392         Remove "afterward" argument.
1393         (write afterward, write_tree): Update to match.
1394         * recog.c (peep2_current_count): New variable.
1395         (peep2_next_insn): Check it.
1396         (peephole2_optimize): Set peep2_current_count.
1397         * recog.h (peep2_current_count): Declare.
1398
1399 2005-08-26  Josh Conner  <jconner@apple.com>
1400
1401         PR middle-end/23584
1402         * ipa-pure-const.c (check_tree): Check for volatile-ness
1403         when considering a dereference.
1404
1405 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1406
1407         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1408
1409 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1410
1411         PR rtl-optimization/23561
1412         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1413         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1414         at most LEN bytes long memory fits into the field.
1415         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1416         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1417         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1418
1419 2005-08-26  Richard Henderson  <rth@redhat.com>
1420
1421         PR rtl-opt/23560
1422         * loop.c (biased_biv_may_wrap_p): New.
1423         (maybe_eliminate_biv_1): Use it to suppress non-equality
1424         comparison transformations.  Delete disabled code.
1425
1426 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1427
1428         * combine.c (make_extraction): Avoid reference outside object.
1429
1430 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1431
1432         * stor-layout.c (finalize_type_size): Restore behaviour for
1433         non-aggregate types to the status quo ante of the patch for
1434         pr 23467.  Document why it matters.
1435
1436 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR c/23506
1439         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1440         array by one element, initialize the BT_LAST element with NULL.
1441
1442 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1443
1444         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1445         optimizing for size.
1446         (plus_eqsi): Same.
1447         (compare_plus_eqsi): Same.
1448         (plus_eqsi_compare): Same.
1449         (neg_eq0<mode>): Same.
1450         (neg_eq<mode>): Same.
1451
1452         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1453         PROCESSOR_POWER4.
1454
1455 2005-08-26  Nick Clifton  <nickc@redhat.com>
1456
1457         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1458         TARGET_EP is not defined.
1459         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1460         TARGET_EP is enabled.
1461         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1462         * config/v850/v850.md (save_all_interrupt): Only use the EP
1463         register if TARGET_EP is defined.
1464         (restore_all_interrupt): Likewise.
1465         * config/v850/lib1funcs.asm: Update functions so that the EP
1466         register is only used if __EP__ is defined.
1467
1468 2005-08-26  David Ung  <davidu@mips.com>
1469
1470         * config/mips/mips.c (mips_expand_prologue): Handle case when
1471         generating for MIPS16 and the outgoing argument area is more than
1472         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1473         add instruction.
1474
1475 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1476
1477         * config/crx/crx.md: Make doloop_end pattern usage controllable
1478         via mloop-nesting=<max-nesting> command line switch. Make sure
1479         the combiner cannot use doloop_end_<mode> in an illegal way.
1480         * config/crx/crx.c: Use regs up to r6 for argument passing.
1481         Refine crx_address_cost (non cst4 displacements are expensive).
1482         * config/crx/crx.opt: Add switch for mloop-nesting=.
1483
1484 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1485
1486         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1487         (UNSPEC_MVST): New constant.
1488
1489 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1490
1491         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1492         Reject operands containing eliminable registers.
1493         * testsuite/gcc.dg/20050825-1.c: New testcase.
1494
1495 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1496             Jan Hubicka  <jh@suse.cz>
1497
1498         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1499
1500 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1501
1502         PR tree-optimization/23546
1503         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1504         and REAL_CST nodes.
1505
1506 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1507
1508         * params.def (PARAM_MIN_SPEC_PROB): New.
1509         * sched-rgn.c (MIN_PROBABILITY): Delete.
1510         (compute_trg_info): Convert to PARAM_VALUE.
1511         * doc/invoke.texi (param): Document min-spec-prob.
1512
1513 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1514
1515         * config/darwin.h: define __PIC__
1516         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1517         TARGET_OS_CPP_BUILTINS macro.
1518
1519 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1520
1521         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1522         yesterday.
1523
1524 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1525
1526         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1527         to duplicate_block.
1528         * cfghooks.c (duplicate_block): Added position where to place
1529         new block as argument.
1530         * cfghooks.h (duplicate_block): Declaration changed.
1531         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1532         duplicate_block.
1533         * cfglayout.h (copy_bbs): Declaration changed.
1534         * cfgloop.h (loop_version): Declaration changed.
1535         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1536         position to copy_bbs.
1537         (loop_version): Pass position to duplicate_loop_to_header_edge.
1538         Add place_after argument and position new blocks according to
1539         it.
1540         * modulo-sched.c (sms_schedule): Pass place_after argument
1541         to loop_version.
1542         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1543         * tree-cfg.c (split_edge_bb_loc): New function.
1544         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1545         to determine position of new blocks.
1546         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1547         to loop_version.
1548         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1549         argument to duplicate_block.
1550         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1551         Pass position to copy_bbs.
1552
1553 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1554
1555         * fold-const.c (ptr_difference_const): Use
1556         cst_and_fits_in_hwi instead of host_integerp.
1557
1558 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1559
1560         * config/darwin.c (gen_pic_offset): New.
1561         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1562         Use it.
1563
1564 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1565
1566         PR tree-optimization/23486
1567         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1568
1569 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1570
1571         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1572         remove use_collect2.
1573         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1574
1575         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1576         configuration files to override the default value.
1577
1578         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1579         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1580         * config/vx-common.h:  New file, split out from...
1581         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1582         * config/vxworksae.h:  New file, for VxWorks AE.
1583         * config/vxworks.opt:  New file.
1584         * config/vxlib.c:  Update for VxWorks 6.
1585
1586         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1587         other MULTILIB_* variables appropriately.
1588         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1589         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1590         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1591         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1592
1593 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1594
1595         PR target/20799
1596         * config/darwin.c (machopic_select_section): Remove the hack to
1597         mark "::operator new" and "::operator delete" for coalescing
1598         even though they are not weak.
1599
1600 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1601
1602         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1603         * configure: Regenerate.
1604
1605 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1606
1607         PR middle-end/23517
1608         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1609         between vectors.
1610         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1611         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1612         Likewise.
1613
1614 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1615
1616         * config/rs6000/predicates.md (equality_operator): New.
1617         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1618         comparison with a large constant.
1619
1620 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1621
1622         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1623
1624 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1625
1626         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1627         registers is even, and we have a hardware double precision fp,
1628         align the buffer.
1629         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1630         size of current argument when checking if argument was passed in
1631         registers.
1632
1633         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1634
1635         PR middle-end/23467
1636         * stor-layout.c (finalize_type_size): Dont override
1637         existing alignment with a smaller alignment from the mode.
1638
1639 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1640
1641         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1642         * lambda.h (lambda_vector_lexico_pos): ... here.
1643         * tree-data-ref.c (build_classic_dist_vector): Return false when
1644         the distance vector is lexicographically negative.
1645
1646 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1647
1648         PR tree-optimization/23511
1649         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1650         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1651
1652 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR tree-optimization/22043
1655         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1656         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1657         If ALLOW_FLEXARR, handle types ending with flexible array member.
1658         Pass false as second argument to recursive count_type_elements calls.
1659         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1660         argument to count_type_elements call.
1661         * tree-sra.c (decide_block_copy): Likewise.
1662         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1663         for a constant-sized object, set cleared as well.  Pass true as
1664         second argument to count_type_elements call.
1665
1666 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1667
1668         PR target/21571
1669         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1670         from legitimate_small_data_p, and make global.  Update use.
1671         Remove forward declaration.
1672         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1673         Declare.
1674         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1675
1676 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1677
1678         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1679         of scratch intermediates.
1680         (eq<mode>_compare): Same.
1681         (neg_eq0<mode>): New.
1682         (neg_eq<mode>): Convert to define_insn_and_split.
1683
1684 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1685
1686         PR target/23070
1687         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1688         stdarg functions, set/clear the fp marker even when no variable
1689         args are passed.
1690         * config/rs6000/sysv4.opt (mprototype): Describe.
1691
1692 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1693
1694         PR rtl-optimization/23478
1695         * regs.h (reg_info): Add throw_calls_crossed.
1696         (REG_N_THROWING_CALLS_CROSSED): Define.
1697         * flow.c (allocate_reg_life_data): Initialize
1698         REG_N_THROWING_CALLS_CROSSED.
1699         (propagate_one_insn, attempt_auto_inc): Update
1700         REG_N_THROWING_CALLS_CROSSED.
1701         * global.c (global_alloc): Don't allocate pseudos across
1702         calls that may throw.
1703
1704 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1705
1706         PR c/18715
1707         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1708         value is inbetween the range if we did not find an exact match.
1709
1710 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1711
1712         * doc/invoke.texi (Option Summary): Add ms1 options.
1713         * doc/extend.texi: Document interrupt handler attribute for ms1.
1714         * doc/md.texi: Document ms1 constraints.
1715         * config.gcc: Add ms1-*-elf.
1716         * config/ms1/ms1.h: New.
1717         * config/ms1/ms1.c: New.
1718         * config/ms1/ms1.md: New.
1719         * config/ms1/ms1-protos.h: New.
1720         * config/ms1/ABI.txt: New.
1721         * config/ms1/crti.asm: New.
1722         * config/ms1/crtn.asm: New.
1723         * config/ms1/lib2extra-funcs.c: New.
1724         * config/ms1/t-ms1: New.
1725         * config/ms1/ms1.opt: New.
1726
1727 2005-08-22 Ira Rosen <irar@il.ibm.com>
1728
1729         * config/rs6000/altivec.md (xorv4sf3): New.
1730         (negv4sf2, neg<mode>2): Likewise.
1731
1732 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1733
1734         PR target/23485
1735         * config/ia64/ia64.md (divsi3): Check divide by zero.
1736         (udivsi3): Likewise.
1737         (divdi3): Likewise.
1738         (udivdi3): Likewise.
1739
1740 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1741
1742         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1743         up to elem_bitsize bits, not max_bitsize.
1744
1745 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1746
1747         PR tree-optimization/23433
1748         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1749         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1750
1751 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1752
1753         PR tree-optimization/23434
1754         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1755         the iteration bound is not an INTEGER_CST.
1756
1757 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1758
1759         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1760         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1761         NULL if need_epilog_adjust is false.
1762         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1763         Case 3 always peels first itration, not just for PLUS case, and no need
1764         to use scalar_initial_def here. Create an epilog adjustment only if
1765         scalar_initial_def is not NULL.
1766
1767         (vectorizable_reduction): Remove assert. 
1768
1769 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1770
1771         PR target/23485
1772         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1773         (__moddi3): Likewise.
1774         (__udivdi3): Likewise.
1775         (__umoddi3): Likewise.
1776         (__divsi3): Likewise.
1777         (__modsi3): Likewise.
1778         (__udivsi3): Likewise.
1779         (__umodsi3): Likewise.
1780
1781 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1782
1783         * tree-pass.h (TDF_GRAPH): Define.
1784         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1785         * passes.c (finish_optimization_passes): Only call
1786         finish_graph_dump_file if TDF_GRAPH is set.
1787         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1788         NULL.  Set TDF_GRAPH bit.
1789         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1790
1791 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1792
1793         * arm.h (arm_stack_offsets): Add locals_base field.
1794         * arm.c (arm_get_frame_offsets): Compute it.
1795         (thumb_compute_initial_elimination offset): Make the Thumb frame
1796         pointer point to the base of the local variables.
1797         (thumb_expand_prologue): Update accordingly.
1798         (thumb_expand_epilogue): Likewise.
1799
1800         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1801         mode of clobbered scratch to DImode.  Handle a case that's known to
1802         need this.
1803
1804 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1805
1806         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1807         (gt0<mode>_compare): Delete.
1808         (neg_gt0<mode>): Delete.
1809
1810 2005-08-19  Eric Christopher  <echristo@apple.com>
1811
1812         * optabs.h: Change CTI_ to COI_.
1813         * optabs.c: Ditto.
1814
1815 2005-08-19  James E Wilson  <wilson@specifix.com>
1816
1817         * builtins.c (expand_builtin_return_addr): Set
1818         current_function_accesses_prior_frames when count != 0.  Use
1819         frame_pointer_rtx when count == 0.
1820         * function.h (struct function): Add accesses_prior_frames field.
1821         (current_function_accesses_prior_frames): Define.
1822         * reload1.c (init_elim_table): Check
1823         current_function_accesses_prior_frames.
1824         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1825
1826 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1827
1828         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1829         indicator.  Return true if the flowgraph changed during
1830         cleanup.
1831
1832 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1833
1834         PR 23476
1835         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1836         conditional expression before testing its value.
1837
1838 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1839
1840         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1841
1842 2005-08-19  Devang Patel  <dpatel@apple.com>
1843
1844         PR tree-optimization/23048
1845         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1846         third parameter. Check whether latch is dominated by exit
1847         block or not.
1848         (if_convertible_loop_p): Supply exit block itself to
1849         if_convertible_bb_p.
1850
1851 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1852
1853         PR target/23473
1854         * arm.md (arm_load_pic_register): Change argument to the mask of
1855         saved registers.  Call thumb_find_work_register if we need a
1856         scratch register on Thumb.
1857         (arm_expand_prologue): Pass empty register set to
1858         arm_load_pic_register.
1859         (thumb_expand_prologue): Pass live_regs_mask directly to
1860         arm_load_pic_register.
1861         * arm-protos.h (arm_load_pic_register): Update prototype.
1862
1863 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1864
1865         * sh.c (find_sole_member): New function.
1866         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1867         if the record's alignment is larger than the size of its only member.
1868
1869 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1870
1871         PR target/23436
1872         * arm.c (thumb_legitimize_reload_address): New function.
1873         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1874         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1875
1876 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1877
1878         * config/crx/crx.c: Implement crx_decompose_address. Reject
1879         symbolic displacements since CRX register relative adressing
1880         mode can't handle unsigned 32-bit values as displacements.
1881         * config/crx/crx.h: Simplify definitions, remove redundant
1882         parenthesis and obsolete macros.
1883         * config/crx/crx.opt: Add new switch for debugging addresses.
1884         * config/crx/crx-protos.h: Add new declarations for above.
1885
1886 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1887
1888         PR middle-end/20624
1889         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1890         looking past it.
1891
1892 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1893
1894         * collect2.c (dup2): Delete.
1895         * configure.ac: Don't check for dup2.
1896
1897         * config.in, configure: Regenerate.
1898
1899 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1900
1901         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1902         record with the type of its only member.
1903
1904 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1905
1906         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1907         define_insn_and_split.
1908         (plus_ltu<mode>_compare): Same.
1909         (gtu<mode>_compare): Same.
1910         (plus_gtu<mode>_compare): Same.
1911
1912 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1913
1914         PR tree-optimization/22228
1915         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1916         todo_flags_start.
1917         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1918         are recorded in vect_vnames_to_rename for renaming.
1919         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1920         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1921         in vect_vnames_to_rename.
1922         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1923         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1924
1925 2005-08-18  Jan Hubicka  <jh@suse.cz>
1926
1927         PR c++/22034
1928         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1929         info only for local statics, not for member variables.
1930
1931 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1932
1933         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1934
1935 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1936
1937         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1938
1939 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1940
1941         PR middle-end/16045
1942         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1943
1944 2005-08-17  James E Wilson  <wilson@specifix.com>
1945
1946         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1947         array size check.
1948
1949 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1950
1951         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1952         (leu<mode>_compare): Same.
1953         (plus_leu<mode>): Same.
1954         (neg_leu<mode>): Same.
1955         (and_neg_leu<mode): Same.
1956         (ltu<mode>_compare): Same.
1957         (plus_ltu<mode>): Same.
1958         (geu<mode>): Same.
1959         (geu<mode>_compare): Same.
1960         (plus_geu<mode>): Same.
1961         (neg_geu<mode>): Same.
1962         (and_neg_geu<mode>): Same.
1963         (plus_gt<mode>): Same.
1964         (gtu<mode>_compare): Same.
1965         (plus_gtu<mode>): Same.
1966
1967 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1968
1969         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1970         Move call_table_data to end.  Delete spurious .text.
1971         (callt_save_all_interrupt): Fix comment typo.
1972
1973 2005-08-17  James E Wilson  <wilson@specifix.com>
1974             Kevin Winchester  <winchester@amirix.com>
1975
1976         PR target/21684
1977         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1978
1979 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1980
1981         PR target/23268
1982         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1983         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1984
1985 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1986
1987         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1988         record with the type of its only member if the modes don't match.
1989
1990         * varasm.c (decode_reg_name): Skip empty additional register names.
1991
1992 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1993
1994         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1995         lsm_tmp_name_length): New.
1996         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1997         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1998
1999 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2000             Andreas Krebbel  <krebbel1@de.ibm.com>
2001
2002         * config.gcc: Added z9-109 switch.
2003         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2004         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2005         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2006         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2007         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2008         for "z9_109" cpu attribute.
2009         * config/s390/s390.c (z9_109_cost): New processor cost structure.
2010         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2011         (s390_handle_arch_option): Added z9-109 switch.
2012         (override_options): Set respective cost function for z9-109.
2013         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2014         (legitimate_reload_constant_p): Accept extended immediates.
2015         (print_operand): Three new output modifiers added: k, m and o.
2016         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2017         (s390_output_mi_thunk): Use extended immediate when possible.
2018         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2019         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2020         (CONSTRAINT_LEN): Added length of O constraint.
2021         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2022         * config/s390/s390.md ("cpu"): New value z9_109 added.
2023         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2024         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2025         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2026         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2027         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2028         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2029         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2030         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2031         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2032         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2033         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2034         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2035         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2036         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2037         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2038         immediates.
2039         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2040         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2041         insns for TARGET_EXTIMM.
2042
2043 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2044
2045         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2046
2047 2005-08-17  Nick Clifton  <nickc@redhat.com>
2048
2049         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2050         Call default_encode_section_info.
2051
2052 2005-08-17  Steven Bosscher  <stevenb@suse.de>
2053
2054         PR tree-optimization/21574
2055         * tree-ssa-ccp.c (likely_value): If the right hand side is a
2056         constant, return CONSTANT.
2057         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2058         (ccp_fold, visit_assignment): Likewise.
2059         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2060
2061 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2062
2063         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2064         fold_buildN instead of buildN then fold_initializer or fold.
2065         (build_unary_op): Likewise.
2066         (build_binary_op): Likewise.
2067         * fold-const.c (fold_initializer): Remove.
2068         (fold_build1_initializer): New function.
2069         (fold_build2_initializer): New function.
2070         (fold_build3_initializer): New function.
2071         * tree.h (fold_initializer): Remove.
2072         (fold_build1_initializer): New function.
2073         (fold_build2_initializer): New function.
2074         (fold_build3_initializer): New function.
2075
2076 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2077
2078         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2079         (try_move_mult_to_index): Call fold_build2 instead of build2.
2080         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2081         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2082         fold_binary_to_constant.
2083         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2084         fold (build.
2085         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2086         check if A == gcd (A, B).  Remove TYPE argument.
2087         (analyze_offset) Use fold_build2 instead of fold (build.
2088         (create_data_ref): Likewise.
2089         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2090         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2091         then fold.
2092
2093 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
2094
2095         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2096         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2097
2098 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
2099
2100         PR tree-opt/23402
2101         * gimplify.c (zero_sized_type): New function.
2102         (gimplify_modify_expr_rhs): If we have a zero sized type,
2103         replace the statement with an empty statement.
2104
2105 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
2106
2107         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2108         fxsave.
2109
2110 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2111
2112         * doc/tm.texi (Label Output): Correct typo.
2113
2114 2005-08-16  Steven Bosscher  <stevenb@suse.de>
2115
2116         PR target/23376
2117         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2118         force_operand will work later on using have_insn_for.
2119
2120 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2121
2122         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2123
2124 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2125
2126         PR c++/23337
2127         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2128         vector type, don't try to construct it element by element.  Add an
2129         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2130
2131 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2132
2133         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2134
2135 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
2136
2137         * doc/invoke.texi (Precompiled Headers): Document some more options
2138         which are known to be safe.
2139
2140 2005-08-16  James E Wilson  <wilson@specifix.com>
2141
2142         PR tree-optimization/21105
2143         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2144         TREE_OVERFLOW check.
2145
2146 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
2147
2148         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2149         (neg_ltu<mode>): Same.
2150         (gtu<mode>): Same.
2151         (neg_gtu<mode>): Same.
2152
2153 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2154
2155         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2156         (fold_builtin_isdigit): Use fold_buildN.
2157         (build_function_call_expr): Likewise.
2158         * c-typeck.c (c_finish_loop): Likewise.
2159
2160 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
2161             Richard Shann <rshann@superh.com>
2162
2163         PR middle-end/20396:
2164         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2165
2166 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
2167
2168         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2169
2170 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2171
2172         PR target/23355
2173         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2174         arm_compure_save_reg0_reg12_mask to determine when the PIC register
2175         must be saved.
2176
2177 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2178
2179         PR middle-end/23369
2180         * fold-const.c (build_range_check): Disable optimization for function
2181         pointer expressions on targets that require function pointer
2182         canonicalization.
2183
2184 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2185
2186         * simplify-rtx.c (simplify_const_relational_operation): When
2187         extracting arguments of a COMPARE, recompute the mode as well.
2188
2189 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2190
2191         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2192
2193 2005-08-15  DJ Delorie  <dj@redhat.com>
2194
2195         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2196         the stack.
2197         (movsi_splittable): Allow, but split, moves to the stack.
2198         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2199         stack.
2200
2201 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2202
2203         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2204         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2205         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2206
2207         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2208         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2209         Delete HOST_PTR_PRINTF.
2210
2211         * configure, config.in: Regenerate.
2212
2213 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2214
2215         * config/rs6000/rs6000.md (QHSI): New mode macro.
2216         (wd): Extend mode attr for QImode and HImode
2217         (dbits): New mode attr.
2218         (zero_extend<mode>di2): Convert to mode macro.
2219
2220 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2221
2222         PR target/21841
2223         * doc/invoke.texi (-mgnu-ld): Update description.
2224         (-mhp-ld): Ditto.
2225
2226 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2227
2228         PR 23391
2229         * Makefile.in (tree-chrec.o): Depends on real.h.
2230         * tree-chrec.c: Include real.h.
2231         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2232         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2233         * tree-scalar-evolution.c (add_to_evolution_1,
2234         interpret_rhs_modify_expr): Ditto.
2235
2236 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2237
2238         PR 23386
2239         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2240         step is negative compute the estimation from init downwards to zero.
2241
2242 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2243
2244         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2245
2246 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2247
2248         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2249         constraint.
2250         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2251         Accept double-word constants that can be split.
2252         * config/s390/s390.md ("movti"): Use 'P' constraint.
2253         ("*movdi_31", "*movdf_31"): Likewise.
2254
2255 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2256
2257         Fix PR tree-optimization/22615
2258
2259         * tree-ssa-structalias.c (solution_set_add): Handle
2260         first_vi_for_offset returning NULL.
2261         (do_da_constraint): Ditto.
2262         (do_sd_constraint): Ditto.
2263         (do_ds_constraint): Ditto
2264         (find_func_aliases): Ditto.
2265         (build_constraint_graph): RHS is allowed be ANYTHING.
2266         (first_vi_for_offset): Return NULL if we couldn't find anything at
2267         the offset.
2268
2269 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2270
2271         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2272         over memory as first operand.
2273
2274 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2275
2276         PR target/23360
2277         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2278         available for setting it.
2279
2280 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2281
2282         PR tree-optimization/23320
2283         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2284         data-refs' types instead of base object nullness. Add check for
2285         pointer type data-refs before first location comparison. Remove
2286         assert.
2287
2288 2005-08-14  Andreas Schwab  <schwab@suse.de>
2289
2290         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2291
2292 2005-08-13  James E Wilson  <wilson@specifix.com>
2293
2294         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2295         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2296         -fstack-protector-all, --param ssp-buffer-size): Document.
2297         (-Wvariadic-macros): Alphabetize.
2298         (-fsched-stalled-insns-dep): Add missing 'f'.
2299
2300         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2301         macros.
2302
2303 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2304
2305         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2306         or indirect address operand.
2307         (EXTRA_ADDRESS_CONSTRAINT): New.
2308         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2309
2310 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2311
2312         PR tree-optimization/22236
2313         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2314         successors and predecessors.
2315         * tree-chrec.c (chrec_convert): Before converting, check that
2316         sequences don't wrap.
2317         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2318         (analyze_array): Extern.
2319         (find_data_references_in_loop): Remove call to
2320         compute_estimated_nb_iterations.
2321         * tree-data-ref.h (analyze_array): Declared.
2322         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2323         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2324         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2325         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2326         condition.
2327         * tree-ssa-loop-ivcanon.c: Fix documentation.
2328         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2329         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2330         (infer_loop_bounds_from_undefined): New.
2331         (estimate_numbers_of_iterations_loop): Use
2332         infer_loop_bounds_from_undefined.
2333         (used_in_pointer_arithmetic_p): New.
2334         (scev_probably_wraps_p): Pass an extra parameter.  Call
2335         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2336         (convert_step): Fix documentation.
2337         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2338         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2339         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2340         scev_probably_wraps_p.
2341
2342 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2343
2344         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2345         (s390_register_info): Ignore clobbered_regs information for fixed
2346         registers, and only fixed registers.
2347         (s390_init_frame_layout): Remove redundant call.
2348
2349 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2350
2351         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2352         description of -Wold-style-casts.
2353
2354 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2355             Jakub Jelinek  <jakub@redhat.com>
2356
2357         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2358         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2359         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2360         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2361         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2362         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2363         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2364         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2365         ("stack_protect_set", "stack_protect_test"): New expanders.
2366         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2367         "stack_protect_testdi"): New insn definitions.
2368
2369 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2370
2371         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2372
2373 2005-08-12  Paul Brook  <paul@codesourcery.com>
2374
2375         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2376
2377 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2378
2379         * config/s390/predicates.md (setmem_operand): New predicate.
2380         (shift_count_operand): Accept ANDs with special constants as
2381         operand.
2382         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2383         with special constants.
2384         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2385         shift_count_operand with setmem_operand.
2386
2387 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2388
2389         * config/s390/s390.c (s390_extract_part, s390_single_part):
2390         Type cast added.
2391         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2392         (s390_output_mi_thunk): Don't use lg on 31 bit.
2393         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2394         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2395
2396 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2397
2398         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2399         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2400         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2401         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2402         with one of the new macros.
2403
2404 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2405
2406         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2407         Don't set save_return_addr_p.
2408         (s390_register_info): Make clobbered_regs not depending on
2409         save_return_addr_p.
2410
2411 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2412
2413         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2414         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2415
2416 2005-08-11  James E. Wilson  <wilson@specifix.com>
2417
2418         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2419
2420 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2421
2422         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2423         locations gathered by var-tracking in single entry loc_list
2424         over loc_descriptor_from_tree.
2425
2426         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2427         pass it down to loc_descriptor.
2428         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2429         (containing_function_has_frame_base): Move earlier in the file.
2430         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2431         instead of always assuming fbreg can't be used.
2432
2433 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2434
2435         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2436         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2437         Accept address wrapped in AND for Altivec.
2438         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2439         Strip AND wrapping offset address for Altivec.
2440
2441 2005-08-11  Richard Henderson  <rth@redhat.com>
2442
2443         PR middle-end/23312
2444         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2445         before using TYPE_IS_SIZETYPE.
2446
2447 2005-08-11  Richard Henderson  <rth@redhat.com>
2448
2449         PR target/22225
2450         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2451         insn types not present on ev4.
2452         (alphaev5_insn_pipe): Similarly.
2453
2454 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2455
2456         PR target/23250
2457         * arm.c (arm_override_options): If the user has selected callee-super-
2458         interworking, then enable normal interworking.
2459
2460 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2461
2462         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2463         redefinition.
2464
2465 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2466
2467         * doc/rtl.texi: Fix two typos.
2468
2469 2005-08-11  Richard Guenther  <rguenther@suse.de>
2470
2471         PR target/23289
2472         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2473         cases where we call to/from functions returning void.
2474
2475 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2476
2477         PR c++/23225
2478         * tree.c (build_pointer_type_for_mode): Robustify.
2479
2480 2005-08-10  James E Wilson  <wilson@specifix.com>
2481
2482         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2483         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2484
2485         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2486         "cum->".
2487
2488 2005-08-10  Eric Christopher  <echristo@apple.com>
2489
2490         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2491         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2492         V2DFmode.
2493
2494 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2495
2496         PR target/21887
2497         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2498         for the high part when generating dynamic-no-pic code.
2499
2500 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2501
2502         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2503         (x86_64-*-linux*): Likewise.
2504
2505         * config/i386/crtfastmath.c: New file.
2506         * config/i386/t-crtfm: Likewise.
2507
2508         * config/i386/linux.h (ENDFILE_SPEC): New.
2509         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2510
2511         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2512         crtfastmath.o.
2513
2514 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2515
2516         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2517         (vec_shl, vec_shr): Document new operations.
2518         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2519
2520 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2521
2522         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2523         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2524         change predicate to indexed_or_indirect_address.
2525
2526 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2527
2528         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2529         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2530         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2531         and __aeabi_uwrite8.
2532         * config/arm/unaligned-funcs.c: New file.
2533         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2534
2535 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2536
2537         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2538         Add dump.
2539         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2540         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2541         Add dump.
2542         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2543         * final.c (pass_shorten_branches): Add dump.
2544         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2545         (pass_life): Rename dump.
2546         (rest_of_handle_flow2): Remove initial verify_flow_info.
2547         * function.c (pass_instantiate_virtual_regs): Add dump.
2548         * integrate.c (pass_initial_value_sets): Add dump.
2549         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2550         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2551         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2552         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2553         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2554         gate_rtl_unrool_and_peel_loops): New.
2555         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2556         rtl_doloop): Do not look at flags.
2557         * mode-switching.c (pass_mode_switching): Add dump.
2558         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2559         pass_split_before_regstack): Add dump.
2560         * regmove.c (pass_stack_adjustments): Add dump.
2561         * tree-optimize.c (pass_fixup_cfg): Add dump.
2562
2563 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2564
2565         PR 23309
2566         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2567         deciding which instruction sequence to use.
2568
2569 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2570
2571         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2572         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2573
2574 2005-08-09  Richard Guenther  <rguenther@suse.de>
2575
2576         * c-common.c (builtin_function_2): Remove.
2577         (def_builtin_1): New function.
2578         (c_common_nodes_and_builtins): Use def_builtin_1 to
2579         build builtin functions.
2580
2581 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2582
2583         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2584         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2585         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2586         Visual DSP.
2587
2588 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2589
2590         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2591         fold_binary instead of fold_build2 since we don't care about the
2592         resulting tree.
2593         (loop_niter_by_eval): Likewise.
2594         (compare_trees): Likewise.
2595         (proved_non_wrapping_p): Likewise.
2596
2597 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2598
2599         PR c/23161
2600         PR c/23165
2601         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2602         if the if is really empty.
2603
2604 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2605
2606         PR tree-optimization/23234
2607         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2608         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2609         argument of the new enum.
2610         (execute_cse_reciprocals): Add reciprocals for function arguments
2611         on the unique successor edge of the entry block.  Update other calls
2612         to execute_cse_reciprocals_1.
2613
2614 2005-08-08  Richard Henderson  <rth@redhat.com>
2615
2616         PR 22439
2617         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2618
2619 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2620
2621         * expr.c (write_complex_part): Return after handling MEM.
2622
2623 2005-08-08  Josh Conner  <jconner@apple.com>
2624
2625         PR rtl-optimization/23241
2626         * combine.c (simplify_comparison): Fix error in determining
2627         whether to lift a subreg from comparison.
2628
2629 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2630
2631         PR target/18506
2632         * config/rs6000/altivec.md (vec_init<mode>): New.
2633         (vec_set<mode>): New.
2634         (vec_extract<mode>): New.
2635         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2636         (rs6000_expand_vector_set): New.
2637         (rs6000_expand_vector_extract): New.
2638         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2639         for Altivec modes before reload.
2640         (altivec_expand_vec_init_builtin): New.
2641         (get_element_number): New.
2642         (altivec_expand_vec_set_builtin): New.
2643         (altivec_expand_vec_ext_builtin): New.
2644         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2645         builtins.
2646         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2647         builtins.
2648         * config/rs6000/rs6000.h (rs6000_builtins): Add
2649         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2650         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2651         * config/rs6000/rs6000-protos.h: Declare new functions.
2652
2653 2005-08-08  Jan Hubicka  <jh@suse.cz>
2654
2655         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2656         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2657         * i386.md (movdi*): Use pic_32bit_operand.
2658         * predicates.md (pic_32bit_operand): New.
2659
2660 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2661
2662         PR c++/21166
2663         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2664
2665 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2666
2667         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2668         (test_for_singularity): Use fold_build2.
2669
2670 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2671
2672         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2673
2674 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2675
2676         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2677         (COMMON_ASM_OP) Define.
2678         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2679         (ix86_encode_section_info): Likewise.
2680         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2681         SUBTARGET_ENCODE_SECTION_INFO.
2682
2683 2005-08-06  Richard Henderson  <rth@redhat.com>
2684
2685         PR 21894
2686         * tree-nested.c (convert_local_reference): Save and restore val_only
2687         around component_ref and friends.  Clear walk_subtrees by default.
2688
2689 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2690
2691         PR 21366
2692         * gcc.c (process_command): Check the argument to -b has a dash.
2693         * doc/invoke.texi: Update -b and -V docs.
2694
2695 2005-08-06  James E Wilson  <wilson@specifix.com>
2696
2697         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2698
2699 2005-08-06  Michael Matz  <matz@suse.de>
2700
2701         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2702         member only if only one insn is associated with the value.
2703
2704 2005-08-06  Nick Clifton  <nickc@redhat.com>
2705
2706         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2707         New define.
2708         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2709         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2710         Check symbol flags instead of symbol name mangling.
2711         (xstormy16_asm_output_aligned_common): Likewise.  Also
2712         simplify code since the bss100_section cass is the only case
2713         where the below100 code will be triggered.
2714         (xstormy16_encode_section_info): Encode below100 attribute
2715         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2716         the name.
2717         (xstormy16_strip_name_encoding): Delete - this function is no
2718         longer needed.
2719         (TARGET_STRIP_NAME_ENCODING): Undefine.
2720         * config/stormy16/stormy16-protos.h: Delete prototype for
2721         xstormy16_strip_name_encoding.
2722
2723 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2724
2725         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2726         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2727         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2728         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2729         config/alpha/predicates.md, config/arc/arc.h,
2730         config/arm/arm.h, config/arm/ieee754-df.S,
2731         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2732         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2733         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2734         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2735         config/m68hc11/m68hc11.h, config/mips/mips.c,
2736         config/mips/mips.h, config/mips/openbsd.h,
2737         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2738         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2739         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2740         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2741         config/sparc/linux.h, config/sparc/linux64.h,
2742         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2743         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2744         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2745         typos.  Follow spelling conventions.
2746
2747 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2748
2749         PR c/23113
2750         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2751         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2752         specially.  Check for side effects only for COND_EXPR.
2753         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2754         return with TREE_NO_WARNING.
2755
2756 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2757
2758         PR rtl-optimization/23233
2759         * loop.c (combine_movables): Require the modes to be the same.
2760         (move_movables): Remove handling of cases where the replacement
2761         had a different mode to the original.
2762
2763 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2764
2765         PR tree-optimization/23128
2766         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2767         subtraction wrap, and set TREE_OVERFLOW if they do.
2768
2769 2005-08-05  Richard Henderson  <rth@redhat.com>
2770
2771         PR 21728
2772         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2773         FORCED_LABEL labels.
2774
2775 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2776
2777         PR middle-end/23135
2778         * reload.c (find_reloads_subreg_address): Pass down TYPE
2779         unchanged.  Change all callers except find_reloads_toplev.
2780
2781 2005-08-05  Michael Matz  <matz@suse.de>
2782
2783         * genattrtab.c (current_alternative_string): Remove.
2784         (SIMPLIFY_ALTERNATIVE): Ditto.
2785         (attr_alt_bit_p): Ditto.
2786         (alternative_name): Make const char *.
2787         (evaluate_eq_attr): Remove use of above things.
2788         (simplify_test_exp): Ditto.
2789         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2790         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2791
2792 2005-08-04  James E Wilson  <wilson@specifix.com>
2793
2794         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2795         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2796         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2797         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2798         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2799
2800 2005-08-04  Richard Henderson  <rth@redhat.com>
2801
2802         PR 21529
2803         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2804         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2805         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2806         if we'd have to instantiate too many members.
2807
2808 2005-08-04  Richard Henderson  <rth@redhat.com>
2809
2810         PR 21291
2811         * tree-outof-ssa.c (coalesce_asm_operands): New.
2812         (coalesce_ssa_name): Use it.  Split out ...
2813         (coalesce_phi_operands, coalesce_result_decls): ... these.
2814
2815 2005-08-04  Paul Brook  <paul@codesourcery.com>
2816
2817         * read-rtl.c (read_quoted_string): Break if EOF.
2818
2819 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2820
2821         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2822         (fold_build2): Likewise.
2823         (fold_build3): Likewise.
2824         (fold_build1_stat): New function prototype.
2825         (fold_build2_stat): Likewise.
2826         (fold_build3_stat): Likewise.
2827         * fold-const.c (fold_build1): Rename to ..
2828         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2829         through to build1_stat.
2830         (fold_build2): Rename to ..
2831         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2832         through to build2_stat.
2833         (fold_build3): Rename to ..
2834         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2835         through to build3_stat.
2836
2837 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2838             Ian Lance Taylor  <ian@airs.com>
2839
2840         * function.c (assign_stack_local_1): Do not correct stack slot
2841         address if allocation size is smaller than mode size.
2842
2843 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2844
2845         PR 22037
2846         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2847         (tree_merge_blocks): Propagate anything allowed by
2848         may_propagate_copy.
2849         Clarify documentation.
2850         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2851         SSA form, schedule an update if necessary.
2852
2853 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2854
2855         * doc/install.texi (Binaries): Remove broken link to
2856         Sinix/Reliant Unix binaries.
2857
2858 2005-08-03  Richard Henderson  <rth@redhat.com>
2859
2860         PR 23221
2861         * function.c (stack_protect_epilogue): Export.
2862         * tree.h (stack_protect_epilogue): Declare.
2863         * calls.c (expand_call): Call it.
2864
2865 2005-08-03  Eric Christopher  <echristo@apple.com>
2866
2867         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2868         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2869         spec.
2870
2871 2005-08-04  Jan Hubicka  <jh@suse.cz>
2872
2873         * profile.c (branch_prob): Split edges with goto locus on them
2874         to get proper line counts.
2875         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2876
2877 2005-08-03  Paul Brook  <paul@codesourcery.com>
2878
2879         * function.c (assign_parms): Round current_function_args_size
2880         to PARM_BOUNDARY, not STACK_BOUNDARY.
2881
2882 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2883
2884         * config/i386/i386.c (x86_elf_aligned_common)
2885         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2886
2887 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2888
2889         PR tree-optimization/23157
2890         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2891         before emitting them.
2892
2893 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2894
2895         PR tree-optimization/19899
2896         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2897         * tree-scalar-evolution.c: Include real.h.
2898         (add_to_evolution): Build constant -1 of correct type.
2899
2900 2005-08-03  Jan Hubicka  <jh@suse.cz>
2901
2902         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2903         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2904         profile updating for complette unrolling.
2905         * loop-unroll.c (peel_loop_completely): Use it.
2906         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2907         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2908         loops.
2909
2910 2005-08-03  Paul Brook  <paul@codesourcery.com>
2911
2912         * combine.c (can_change_dest_mode): New function.
2913         (try_combine, simplify_set): Use it.
2914
2915 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2916
2917         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2918         TFmode to BLKmode.
2919
2920 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2921
2922         * doc/install.texi (Specific): Adjust link to openavr.org.
2923         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2924         (Binaries): Adjust HP-UX Porting Center link.
2925         (Binaries): Adjust Free Software Foundation ordering link.
2926
2927 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2928
2929         * convert.c (convert_to_integer): Use fold_build1 instead of
2930         build1 when converting an integer to an integer.
2931
2932 2005-08-02  Richard Henderson  <rth@redhat.com>
2933
2934         * combine.c (combine_instructions): Don't use reg_equal/equiv
2935         results if the mode doesn't match.
2936
2937 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2938
2939         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2940         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2941
2942 2005-08-02  Richard Henderson  <rth@redhat.com>
2943
2944         PR 23196
2945         * explow.c (memory_address): Remove special-case for
2946         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2947
2948 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2949
2950         PR 23164
2951         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2952         number of calls to cleanup_tree_cfg_1.
2953
2954 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2955
2956         * doc/invoke.texi: document file extensions .F90 and .F95
2957
2958 2005-08-02  Richard Guenther  <rguenther@suse.de>
2959
2960         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2961         positive if its first argument is positive.
2962
2963 2005-08-02  Richard Guenther  <rguenther@suse.de>
2964
2965         PR tree-optimization/23177
2966         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2967         on TMR_TAG.
2968
2969 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2970
2971         PR tree-optimization/23129
2972         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2973         varying for divisions with anti-ranges.
2974
2975 2005-08-02  Jan Hubicka  <jh@suse.cz>
2976
2977         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2978         * tree-ssa-threadupdate.c (thread_block): Add it here.
2979
2980 2005-08-01  James E Wilson  <wilson@specifix.com>
2981
2982         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2983         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2984         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2985         New.
2986         * config/mips/predicates.md (const_call_insn_operand): Add check for
2987         SYMBOL_REF_LONG_CALL_P.
2988         * doc/extend.texi (long_call): Document the new attribute.
2989
2990 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2991             Richard Henderson  <rth@redhat.com>
2992
2993         * Makefile.in (RTL_BASE_H): Add real.h.
2994         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2995         instead of memcpy.
2996         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2997         directly.
2998         * rtl.c (rtl_check_failed_code_mode): New.
2999         * rtl.h (struct rtx_def): Add u.rv.
3000         (XCMWINT, XCNMPRV): New.
3001         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3002         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3003
3004 2005-08-01  Richard Henderson  <rth@redhat.com>
3005
3006         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3007         with auto-inc codes.
3008
3009         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3010
3011 2005-08-01  Jan Hubicka  <jh@suse.cz>
3012
3013         * i386-protos.h (asm_preferred_eh_data_format): Declare.
3014         * i386.c: Include dwarf2.h
3015         (asm_preferred_eh_data_format): New.
3016         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3017
3018 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3019
3020         * config/host-linux.c (linux_gt_pch_get_address): Add new name
3021         randomize_va_space for virtual address randomization control.
3022
3023 2005-08-01  Steven Bosscher  <stevenb@suse.de>
3024
3025         * common.opt (flag_ipa_cp): Put in right place to maintain
3026         alphabetic sort.
3027
3028 2005-08-01  Jan Hubicka  <jh@suse.cz>
3029
3030         * profile.c (compute_value_histograms): Fix thinko.
3031         * value-prof.c: Include toplev.h
3032         (check_counter): New function.
3033         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3034         tree_mod_subtract_transform): Add sanity check.
3035
3036 2005-08-01  Richard Guenther  <rguenther@suse.de>
3037
3038         PR tree-optimization/23133
3039         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3040         current functions parameter decls to find defs to cse
3041         reciprocals of.
3042
3043 2005-08-01  Richard Guenther  <rguenther@suse.de>
3044
3045         PR tree-optimization/23109
3046         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3047         If trapping math is in effect, use post-dominator information
3048         to check if we'd in any case reach a trapping point before
3049         doing the reciprocal insertion.
3050         (execute_cse_reciprocals): Compute post-dominators, if necessary.
3051         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3052         expressions are invariant only if trapping math is not in effect.
3053
3054 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3055
3056         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3057         cgraph_function_versioning): New declarations.
3058         * cgraphunit.c: Add include to ipa-prop.h.
3059         (update_call_expr, cgraph_copy_node_for_versioning,
3060         cgraph_function_versioning): New functions.
3061         * integrate.c (copy_decl_for_inlining): Remove.
3062         * ipa-prop.h (ipa_replace_map): New struct.
3063         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3064         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3065         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3066         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3067         ipcp_iterate_stage, ipcp_method_scale_print,
3068         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3069         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3070         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3071         ipcp_update_bb_counts, ipcp_update_profiling,
3072         ipcp_update_edges_counts): New functions.
3073         (ipcp_method_cval_init): Remove restriction regarding local methods.
3074         (ipcp_init_stage): Add ipcp_method_compute_scale.
3075         (ipcp_insert_stage): Add versioning.
3076         (ipcp_structures_print): Add ipcp_method_scale_print.
3077         (ipcp_driver): Dump profiling info.
3078         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3079         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3080         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3081         (struct inline_data): Add versioning_p, ipa_info, new fields.
3082         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3083         declare_return_variable): Replace calls to copy_decl_for_inlining with
3084         copy_decl_for_dup.
3085         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3086         versioning support.
3087         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3088         Add argument VERSIONING.
3089         (copy_arguments_for_versioning, copy_static_chain,
3090         function_versionable_p, tree_versionable_function_p,
3091         tree_function_versioning, replace_ref_tree): New functions.
3092         * tree-inline.h: Include varray.h.
3093         (tree_versionable_function_p,  tree_function_versioning,
3094         tree copy_decl_for_dup): New declarations.
3095
3096 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3097
3098         * ipa-cp.c: New file. Contains IPCP specific functionality.
3099         * ipa-prop.h: New file. Contains structures/definitions that can be
3100         used by several interprocedural data flow optimizations (and also IPCP).
3101         * ipa-prop.c: New file.
3102         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3103         * common.opt: Add ipa-cp flag.
3104         * timevar.def: Add IPCP optimization.
3105         * tree-optimize.c (init_tree_optimization_passes): Schedule
3106         pass_ipa_cp.
3107         * tree-pass.h (pass_ipa_cp): Declare.
3108
3109 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
3110
3111         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3112         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3113         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3114         config/i386/i386.c, config/mips/mips.h,
3115         config/rs6000/rs6000.h, config/sh/sh.c,
3116         config/stormy16/stormy16.c: Fix comment typos.
3117
3118 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
3119
3120         PR c/22311
3121         * c-typeck.c (build_binary_op): Use common_type wrapper on
3122         shortened types.
3123         (common_type): Update comment.
3124
3125 2005-07-31  Steven Bosscher  <stevenb@suse.de>
3126
3127         PR target/23095
3128         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3129         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3130         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3131
3132 2005-07-31  Jan Hubicka  <jh@suse.cz>
3133
3134         * pretty-print.h (pp_widest_integer): New macro.
3135         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3136         counts.
3137
3138 2005-07-31  Jan Hubicka  <jh@suse.cz>
3139
3140         * output.h (enum section_category): Export from varasm.c
3141         (categorize_decl_for_section): Likewise.
3142         * varasm.c (enum section_category): Kill.
3143         (categorize_decl_for_section): Make global.
3144         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3145         Declare.
3146         * i386.c (ix86_section_threshold): New static variable.
3147         (ix86_in_large_data_p, ix86_encode_section_info,
3148         x86_64_elf_unique_section,
3149         x86_64_elf_select_section): New functions.
3150         (TARGET_ENCODE_SECTION_INFO): Define
3151         (override_options): Enable medium model for PIC.
3152         (ix86_expand_prologue): Expand gen_set_got_rex64.
3153         (legitimate_constant_p): Handle new UNSPECs.
3154         (legitimate_pic_address_disp_p): Likewise.
3155         (legitimize_pic_address): Lower MEDIUM model addressing.
3156         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3157         (enum cmodel): Add MEDIUM_PIC.
3158         (SYMBOL_REF_FAR_ADDR_P): New macro.
3159         (SYMBOL_FLAG_FAR_ADDR): New flag.
3160         * i386.md (movdi): Support medium model.
3161         (set_got_rex64): New pattern.
3162         * i386.opt (mlarge-data-threshold): New flag.
3163         * predicates.md (zext_operand/sext_operand): Deal with medium model.
3164         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3165         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3166         TARGET_ASM_UNIQUE_SECTION): New.
3167
3168         * invoke.texi (-mlarge_data_threshold): Document
3169
3170 2005-07-31  Jan Hubicka  <jh@suse.cz>
3171
3172         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3173         (coalesce_vars): Likewise.
3174         * tree-ssa-live.c (coalesce_cost): New.
3175         (build_tree_conflict_graph): Use coalesce_cost.
3176         * tree-ssa-live.h (coalesce_cost): Declare.
3177
3178 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3179
3180         * arm.md (all peepholes for post-increment operations): Delete.
3181         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3182         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3183         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3184         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3185         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3186
3187 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3188
3189         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3190         non-integral types.
3191
3192 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3193
3194         PR target/22582
3195         * doc/invoke.texi: Document -rdynamic.
3196
3197 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3198
3199         PR c/23143
3200         * c-parser.c (c_parser_parms_list_declarator): Call
3201         mark_forward_parm_decls.
3202         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3203         decls with visibility structure.
3204
3205 2005-07-30  Paul Brook  <paul@codesourcery.com>
3206
3207         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3208
3209 2005-07-30  Paul Brook  <paul@codesourcery.com>
3210
3211         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3212         prototype.
3213         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3214         value for mode.
3215         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3216
3217 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3218
3219         PR c/529
3220         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3221         nested function declarators.
3222         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3223         (grokparms): Call warn_if_shadowing for parameters used within the
3224         parameter list.
3225         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3226         not used within the parameter list.
3227         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3228
3229 2005-07-30  Jan Hubicka  <jh@suse.cz>
3230
3231         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3232         * i386.c (ix86_fixup_binary_operands): Likewise.
3233         (ix86_expand_unary_operator): Likewise.
3234         (ix86_expand_fp_absneg_operator): Likewise.
3235         * optabs.c (expand_vec_cond_expr): Validate dest.
3236
3237 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3238
3239         PR c/21720
3240         * real.c (real_from_string): Also set last bit if there is a
3241         nonzero hex digit beyond GCC's internal precision after ".".
3242
3243 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3244
3245         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3246         define_constants.  Change duplicate values to unassigned numbers.
3247         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3248         (*altivec_vspltsf): New.
3249         (altivec_vperm_v4sf): Delete.
3250         (altivec_vperm_<mode>): Use mode macro V.
3251         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3252         (altivec_predicate_v4sf): Delete.
3253         (altivec_predicate_<mode>): Use mode macro V.
3254         (*altivec_lvesfx): New.
3255         (*altivec_stvesfx): New.
3256         (vec_realign_load_v4sf): Delete.
3257         (vec_realign_load_<mode>): Use mode macro V.
3258         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3259         UNSPECV_SET_VRSAVE.
3260
3261 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3262
3263         PR bootstrap/23131
3264         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3265         string.
3266         * configure: Regenerated.
3267
3268 2005-07-29  Paul Brook  <paul@codesourcery.com>
3269
3270         * doc/install.texi: Add link to GFortran binaries wiki page.
3271
3272 2005-07-29  David Ung  <davidu@mips.com>
3273
3274         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3275         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3276         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3277         * config/mips/mips.md (cpu): Add 5kf name.
3278         (includes): Includes 5k.md.
3279         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3280         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3281         -march flag.
3282
3283 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3284
3285         PR 22550
3286         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3287         (cleanup_tree_cfg): ... here.
3288         Call cleanup_tree_cfg_1 until there are no more cleanups to
3289         do.
3290
3291 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3292
3293         * tree-vrp.c (compare_range_with_value): Return true or false
3294         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3295         EQ_EXPR respectively.
3296
3297 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3298
3299         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3300         Fix comment typos.
3301
3302 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3303
3304         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3305         (tree_ssa_dominator_optimize): Increment it.
3306         (dump_dominator_optimization_stats): Print it.
3307
3308 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3309             Steven Bosscher  <stevenb@suse.de>
3310
3311         PR rtl-optimization/23117
3312         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3313         when head == tail.  Tidy comment.
3314
3315 2005-07-28  Richard Henderson  <rth@redhat.com>
3316
3317         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3318         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3319         * jump.c (rtx_renumbered_equal_p): Likewise.
3320         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3321         CONST_INT and CONST_DOUBLE.
3322         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3323         * reload.c (operands_match_p): Special case CONST_INT and
3324         CONST_DOUBLE; check mode earlier.
3325
3326 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3327
3328         PR c/22240
3329         * c-typeck.c (convert_for_assignment): Do not check
3330         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3331
3332 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3333
3334         PR c/22192
3335         * c-typeck.c (composite_type): Prefer constant size arrays to
3336         VLAs.
3337
3338 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3339
3340         PR c/21720
3341         * real.c (real_from_string): Set last bit if there is a nonzero
3342         hex digit beyond GCC's internal precision.
3343
3344 2005-07-28  Richard Henderson  <rth@redhat.com>
3345
3346         PR rtl-opt/22619
3347         * cfgcleanup.c (try_forward_edges): Watch out for end of
3348         insn chain.
3349
3350 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3351
3352         PR c/23106
3353         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3354
3355 2005-07-28  Jan Hubicka  <jh@suse.cz>
3356
3357         * Makefile.in (rtl-profile.o): Kill all traces of it.
3358         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3359         * coverage.h (rtl_coverage_counter_ref): Kill.
3360         * opts.c (flag_speculative_prefetching_set): Kill.
3361         (flag_loop_optimize_set): New.
3362         (common_handle_option): Disable loop optimizer when profiling;
3363         do not handle speculative prefetching.
3364         * passes.c (init_optimization_passes): Replace pass_profiling combo
3365         by branch_prob pass.
3366         * profile.c (compute_value_histograms): Update for simplified value
3367         profiles.
3368         (rtl_register_profile_hooks): Kill.
3369         (pass_profiling): Kill.
3370         (rest_of_handle_branch_prob): Do not profile.
3371         * toplev.c (process_options): Remove speculative prefetching.
3372         * toplev.h (flag_tree_based_profiling): Kill.
3373         * tree-profile.c (prepare_instrumented_value,
3374         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3375         tree_gen_one_value_profiler, do_tree_profiling): Update for
3376         simplified datastructures.
3377         * value-prof.c: Add comment that speculative prefetching was dropped;
3378         update rest of file for simplified datastructures.
3379         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3380         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3381         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3382         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3383         rtl_mod_subtract, gen_speculative_prefetch,
3384         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3385         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3386         (gate_handle_value_profile_transformations,
3387         rest_of_handle_value_profile_transformations,
3388         pass_value_profile_transformations): Kill.
3389         * value-prof.h (histogram_value_t): Remove IL based unions.
3390         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3391         rtl_profile_hooks): Remove hooks.
3392
3393         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3394
3395         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3396         (cgraph_clone_node): Likewise.
3397         * cgraph.h (cgraph_clone_edge): Update prototype.
3398         (cgraph_clone_node): Likewise.
3399         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3400         cgraph_clone_node.
3401         (lookup_recursive_calls): Consider profile.
3402         (cgraph_decide_recursive_inlining): Fix updating; use new
3403         probability argument; use profile.
3404         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3405         * tree-inline.c (copy_bb): Update clal of clone_edge.
3406         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3407
3408         * invoke.texi (min-inline-recursive-probability): Document.
3409
3410 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3411
3412         * doc/install.texi (Configuration): Update Valgrind homepage.
3413
3414 2005-07-28  Richard Henderson  <rth@redhat.com>
3415
3416         PR middle-end/21362
3417         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3418         labels we want to delete.
3419         (cfg_layout_merge_blocks): Likewise.
3420
3421 2005-07-28  Richard Henderson  <rth@redhat.com>
3422
3423         PR target/17692
3424         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3425         when expanding to nothing.
3426
3427 2005-07-28  Josh Conner  <jconner@apple.com>
3428
3429         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3430         (cgraph_decide_inlining_of_small_functions): Likewise.
3431
3432 2005-07-28  Josh Conner  <jconner@apple.com>
3433
3434         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3435         direction of badness if negative.
3436         (cgraph_default_inline_p): Add reason to parameters, and assign it
3437         a value.
3438         (cgraph_decide_inlining_of_small_functions): New parameter in call
3439         to cgraph_default_inline_p.
3440         (cgraph_decide_inlining_incrementally): Likewise.
3441         * cgraphunit.c (decide_is_function_needed): Likewise.
3442         * cgraph.h (cgraph_default_inline_p): Likewise.
3443
3444 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3445
3446         * builtins.c: Fix comment typo(s).
3447         * genautomata.c: Likewise.
3448         * gimplify.c: Likewise.
3449         * tree-dfa.c: Likewise.
3450         * tree-flow-inline.h: Likewise.
3451         * tree-into-ssa.c: Likewise.
3452         * tree-ssa-alias.c: Likewise.
3453         * tree-ssa-ccp.c: Likewise.
3454         * tree-ssa-copy.c: Likewise.
3455         * tree-ssa-dce.c: Likewise.
3456         * tree-ssa-dom.c: Likewise.
3457         * tree-ssa-operands.c: Likewise.
3458         * tree-tailcall.c: Likewise.
3459         * tree-vectorizer.c: Likewise.
3460         * tree-vrp.c: Likewise.
3461         * tree.c: Likewise.
3462
3463 2005-07-28  Jeff Law  <law@redhat.com>
3464
3465         * tree-vrp.c (test_for_singularity): Extracted from  ...
3466         (simplify_cond_using_ranges): Attempt to simplify a relational
3467         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3468
3469 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3470
3471         PR tree-optimization/22506
3472         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3473         phis whose argument is constant.
3474
3475 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3476
3477         PR rtl-optimization/18992
3478         Back out this patch:
3479           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3480           PR optimization/12142
3481           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3482           uses of the register in the SET_SRC.  Remove unnecessary argument.
3483
3484         Replace it with this:
3485         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3486         if flag_non_call_exceptions is set and the insn may trap, pass
3487         pc_rtx as dest for recursion.
3488         In SET_SRC part of SET case, if dest is already set, pass it down
3489         unchanged.
3490
3491 2005-07-28  Jan Hubicka  <jh@suse.cz>
3492
3493         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3494         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3495         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3496         roundoff errors.
3497         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3498         profile when available.
3499
3500 2005-07-28  Jan Beulich <jbeulich@novell.com>
3501
3502         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3503         (ia64_print_operand): Describe and handle 'X'.
3504         (ia64_register_move_cost): Also handle FP_REGS.
3505         (ia64_preferred_reload_class): Likewise.
3506         (ia64_secondary_reload_class): Likewise.
3507         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3508         it. Also check for ITANIUM_CLASS_FLDP.
3509         * config/ia64/ia64.h (FP_REGNO_P): New.
3510         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3511         (reg_class): Add FP_REGS.
3512         (REG_CLASS_NAMES): Adjust for it.
3513         (REG_CLASS_CONTENTS): Likewise.
3514         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3515         (REG_CLASS_FROM_LETTER): Handle 'x'.
3516         (CLASS_MAX_NREGS): Handle FP_REGS.
3517         (MEMORY_MOVE_COST): Likewise.
3518         * config/ia64/ia64.md (itanium_class): Add fldp.
3519         (type): Handle fldp.
3520         (movti_internal): More allowable operand combinations. Use ldfp8 when
3521         splitting unnecessary. Remove predicable attribute. Adjust
3522         itanium_class attribute.
3523         (smuldi3_highpart): Remove outdated comment.
3524         (mulditi3, umulditi3, rotlti3): New expanders.
3525         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3526         (absti2): Disabled new insn for future reference.
3527         Respective new splitters.
3528         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3529         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3530         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3531
3532 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3533
3534         PR rtl-optimization/23047
3535         * simplify-rtx.c (simplify_const_relational_operation): Respect
3536         flag_wrapv for comparisons with ABS.
3537
3538 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3539
3540         PR tree-optimization/22493
3541         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3542         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3543
3544 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3545
3546         * config/frv/frv.opt (moptimize-membar): New.
3547
3548         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3549
3550         * config/frv/frv.h: Remove machine_function definition.
3551
3552         * config/frv/frv.c (struct frv_io): New.
3553         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3554         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3555         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3556         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3557         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3558         (frv_reorg): Call frv_optimize_membar when appropriate.
3559         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3560         (frv_expand_builtin): Adjust calls accordingly.
3561         (frv_io_address_cookie): New function.
3562         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3563         load or store rather than a special insn.  Add ccnstant address and
3564         io-type operands to the membar.
3565         (frv_ifcvt_modify_tests): Unsign regno.
3566         (frv_ifcvt_modify_tests): Same.
3567
3568         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3569         UNSPEC_OPTIONAL_MEMBAR constant.
3570         (builtin_read_<mode>): Delete.
3571         (builtin_write_<mode>): Delete.
3572         ("optional_membar_<mode>"): Add operand.
3573
3574         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3575         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3576         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3577         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3578         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3579         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3580         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3581         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3582         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3583
3584 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3585
3586         * df.c (df_uses_record): Handle SCRATCH.
3587
3588 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3589
3590         PR debug/20161
3591         * passes.c (rest_of_decl_compilation): If decl is a type and
3592         we have encountered errors, don't emit debug information.
3593
3594 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3595
3596         * params.def: Fixed comment.
3597
3598 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3599
3600         PR target/19885
3601         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3602         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3603         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3604
3605 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3606
3607         PR c++/22003
3608         * varasm.c (assemble_start_function): Don't do anything that may
3609         require a CFG if the current function is a thunk.
3610
3611 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3612
3613         * doc/install.texi (Prerequisites): Mention that perl is needed
3614         to do export control in libstdc++ targetting Darwin.
3615
3616 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3617
3618         PR rtl-optimization/17808
3619         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3620         (sched_insns_conditions_mutex_p): Split out from...
3621         (add_dependence): ...here.  But don't call it from here.
3622         (add_dependence_list): Check sched_insns_conditions_mutex_p
3623         before calling add_dependence.
3624         (add_dependence_list_and_free): Likewise.
3625         (fixup_sched_groups): Likewise.
3626         (sched_analyze_1): Likewise.
3627         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3628         (sched_analyze): Likewise.
3629         (sched_analyze_insn): Likewise.
3630         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3631         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3632         dependencies on all COND_EXEC insns to jumps ending basic blocks
3633         when doing intrablock scheduling.
3634         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3635
3636 2005-07-27  Jeff Law  <law@redhat.com>
3637
3638         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3639         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3640         equivalency sets, correctly handle the case were vr0 has an
3641         equivalency set, but vr1 does not.
3642
3643 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3644
3645         PR tree-optimization/23073
3646         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3647         vect_print_dump_info before fprintf.
3648
3649 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3650
3651         PR tree-optimize/22348
3652         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3653         Fold the partial computation.
3654
3655 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3656
3657         PR tree-optimization/22325
3658         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3659         Declare.
3660         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3661         value replacement.
3662         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3663         (force_var_cost): ... this function.
3664         (compute_phi_arg_on_exit): Export.
3665
3666 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3667
3668         PR tree-optimization/20773
3669         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3670         edge.
3671
3672 2005-07-27  Richard Guenther  <rguenther@suse.de>
3673
3674         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3675         Avoid pushing again if current struct contains only
3676         fields we decomposed.
3677
3678 2005-07-27  Jan Hubicka  <jh@suse.cz>
3679
3680         PR tree-optimization/22574
3681         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3682         not available.
3683
3684         * tree-tailcall.c (decrease_profile): New function.
3685         (eliminate_tail_call): Use it.
3686
3687         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3688         visibility flags correctly in whole program mode.
3689
3690 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3691
3692         PR rtl-optimization/22472
3693         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3694
3695 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3696
3697         PR tree-optimization/22504
3698         * tree-complex.c (expand_complex_addition): Use 'code' instead
3699         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3700
3701 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3702
3703         * config.gcc (cpu_type): Add frv case.
3704         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3705         (supported_defaults): Add fr550 case.
3706
3707 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3708
3709         PR 22591
3710         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3711         whether a pointer of type T * may point to objects of type T *.
3712
3713 2005-07-26  DJ Delorie  <dj@redhat.com>
3714
3715         * configure: Regenerate.
3716
3717 2005-07-26  Dale Johannesen  <dalej@apple.com>
3718
3719         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3720
3721 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3722
3723         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3724         Clarify use of "build" in name.
3725
3726 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3727
3728         * doc/extend.texi (Raw read/write Functions): New section.
3729         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3730         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3731         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3732         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3733         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3734         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3735         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3736         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3737         * config/frv/frv.c: Add bdesc_loads global.
3738         Add bdesc_stores global.
3739         (frv_init_builtins): Add support for __builtin_{read/write}*.
3740         (frv_volatile_memref): New.
3741         (frv_expand_load_builtin): New.
3742         (frv_expand_store_builtin): New.
3743         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3744         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3745         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3746         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3747         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3748         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3749         (builtin_read_<mode>): New.
3750         (builtin_write_<mode>): New.
3751         (builtin_write64): New.
3752         (optional_membar_<mode>): New.
3753
3754 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3755
3756         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3757         (rather than units) against HOST_BITS_PER_WIDE_INT.
3758
3759 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3760
3761         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3762         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3763         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3764         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3765         FSF address.
3766
3767         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3768         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3769         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3770         comment typos.
3771         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3772
3773 2005-07-26  Richard Guenther  <rguenther@suse.de>
3774
3775         PR tree-optimization/22486
3776         * fold-const.c (fold_unary): Fold away useless component
3777         references of the form (T *)&T.x, if the address
3778         doesn't change.
3779
3780 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3781
3782         * dwarf2out.c (add_call_src_coords_attributes): New.
3783         (gen_inlined_subroutine_die): Call it.
3784         (maybe_emit_file, init_file_table): Add comments.
3785         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3786         maybe_emit_file.
3787         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3788         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3789         * tree.h (BLOCK_SOURCE_LOCATION): New.
3790         (struct tree_block): New field locus.
3791
3792 2005-07-26  Andreas Schwab  <schwab@suse.de>
3793
3794         PR rtl-optimization/23043
3795         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3796         when allocating a struct unoccr.
3797
3798 2005-07-25  Richard Henderson  <rth@redhat.com>
3799
3800         PR 22626
3801         * tree-complex.c (gate_no_optimization): True if errors.
3802         * Makefile.in (tree-complex.o): Update dependencies.
3803
3804 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3805
3806         * config/frv/predicates.md (integer_register_operand): Use
3807         GPR_AP_OR_PSEUDO_P.
3808
3809 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3810
3811         PR tree-opt/22484
3812         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3813         after fold.
3814         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3815
3816 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3817
3818         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3819         types when flag_unsafe_math_optimizations is true.
3820
3821 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3822
3823         * gcc.c (option_map): Add --sysroot.
3824         (process_command): Handle --sysroot.
3825         (display_help): Document it.
3826         * doc/cppopts.tex (-isysroot): Document.
3827         * doc/invoke.texi (--sysroot): Document.
3828         * doc/install.texi (--with-build-sysroot): Document.
3829
3830         * Makefile.in (inhibit_libc): New variable.
3831         (INHIBIT_LIBC_CFLAGS): Likewise.
3832         (LIBGCC2_CFLAGS): Include
3833         $(INHIBIT_LIBC_CFLAGS).
3834         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3835         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3836         ($(T)crtend.o): Likewise.
3837         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3838         ($(T)crtendS.o): Likewise.
3839         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3840         ($(T)crtendT.o): Likewise.
3841         (stmp-fixinc): Do not complain about missing headers if
3842         inhibit_libc.
3843         * configure.ac (inhibit_libc): Set it to true/false.
3844         (--with-build-sysroot): New option.  Use it to set
3845         SYSTEM_HEADER_DIR.
3846         * configure: Regenerated.
3847
3848 2005-07-25  Manfred Hollstein  <mh@suse.com>
3849
3850         * calls.c (store_one_arg): Fix unsigned comparison warning.
3851
3852 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3853
3854         PR other/22337
3855         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3856         (ggc_print_statistics): Initialize variable before use.
3857
3858 2005-07-25  Richard Guenther  <rguenther@suse.de>
3859
3860         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3861         calling with a PHI_NODE argument.
3862
3863         * tree-flow-inline.h (overlap_subvar): Protect against
3864         possible overflow.
3865
3866 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3867
3868         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3869         * configure: Regenerate.
3870
3871 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3872
3873         * expr.c (highest_pow2_factor): Make extern.
3874         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3875         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3876         record_array_differ_p, array_ptr_differ_p): Likewise.
3877         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3878         additional cases. Call the above functions.
3879         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3880         base_object_differ_p when there are two base objects. Otherwise, compare
3881         base address and offset. Call may_alias_p.
3882         (dump_data_reference): Use a correct field name.
3883         (analyze_array): Make static. Initialize new data-ref fields.
3884         (analyze_indirect_ref): New function.
3885         (init_data_ref): Initialize new data-ref fields.
3886         (strip_conversion): Moved from tree-vect-analyze.c.
3887         (analyze_offset_expr, get_ptr_offset, address_analysis,
3888         object_analysis): Likewise.
3889         (analyze_offset): New function.
3890         (create_data_ref): Likewise.
3891         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3892         dimensions for ARRAY_REFs only.
3893         (build_classic_dist_vector): Make static.
3894         (access_functions_are_affine_or_constant_p): Call macro to get the
3895         address of access functions.
3896         (compute_all_dependences): Add new parameter
3897         compute_self_and_read_read_dependences. Compute self and read-read
3898         dependences if it is true.
3899         (find_data_references_in_loop): Call create_data_ref. Initialize new
3900         data-ref fields.
3901         (compute_data_dependences_for_loop): Add new parameter
3902         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3903         compute nb_loops. Call compute_all_dependences,
3904         build_classic_dist_vector and build_classic_dir_vector with correct
3905         parameters.
3906         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3907         with correct parameters. Compare dimensions for ARRAY_REFs only.
3908         (free_data_refs): Call macro to free access functions.
3909         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3910         fields from stmt_vinfo.
3911         (struct base_object_info): New structure.
3912         (struct data_reference): Move fields to base_object_info. Add fields
3913         first_location and object_info for above structures. Move fields from
3914         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3915         aligned_to.  Add macros to access the new fields.
3916         Update functions declarations.
3917         * tree-flow.h (is_aliased_with): Declare.
3918         * tree-loop-linear.c (linear_transform_loops): Call
3919         compute_data_dependences_for_loop with correct parameters.
3920         * tree-ssa-alias.c (is_aliased_with): New function.
3921         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3922         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3923         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3924         vect_base_addr_differ_p, compute_subscript_distance and
3925         build_classic_dist_vector. Add printings. Check absolute value of
3926         distance.
3927         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3928         data-refs.
3929         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3930         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3931         to bytes. Add printing.
3932         (vect_compute_data_refs_alignment): Go through loads and stores in one
3933         loop.
3934         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3935         vect_analyze_data_ref_access): Likewise.
3936         (vect_analyze_pointer_ref_access): Remove.
3937         (vect_address_analysis, vect_object_analysis): Likewise.
3938         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3939         and analyze data-refs in the loop.
3940         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3941         fields of data-ref instead of stmt. Add init to the offset from the
3942         base.
3943         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3944         (vect_update_init_of_dr): Likewise.
3945         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3946         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3947         removed fields.
3948         (new_loop_vec_info): Initialize new fields.
3949         (destroy_loop_vec_info): Free new fields.
3950         (vect_strip_conversion): Remove.
3951         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3952         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3953         datarefs. Add new field ddrs.
3954         Add macros for the new fields access.
3955         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3956         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3957         Remove their macros.
3958         * tree.h (highest_pow2_factor): Declare.
3959
3960 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3961
3962         * calls.c (store_one_arg): Check for sibling call MEM arguments
3963         from already clobbered incoming argument area.
3964
3965 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3966
3967         * c-common.c (check_missing_format_attribute): New.
3968         * c-common.h (check_missing_format_attribute): Likewise.
3969         * c-typeck.c (convert_for_assignment): Use it.
3970
3971 2005-07-24  Andreas Schwab  <schwab@suse.de>
3972
3973         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3974         register use a word move.  Correct operand of ext.w in 68000 code.
3975
3976 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3977
3978         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3979         variables as declarations, rather than definitions.
3980
3981 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3982
3983         PR tree-optimization/22526
3984         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3985         of the zero node.
3986
3987 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3988
3989         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3990         that C99 reserve for future use. Use it to define clog10,
3991         clog10f and clog10l.
3992
3993 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3994
3995         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3996         * configure.ac: Check for -Wmissing-format-attribute.
3997
3998         * configure: Regenerate.
3999
4000 2005-07-23  Richard Henderson  <rth@redhat.com>
4001
4002         PR tree-optimization/22623
4003         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4004
4005 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
4006
4007         PR target/22577
4008         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4009
4010 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4011
4012         * Makefile.in (C_TREE_H): Update dependencies.
4013         * c-tree.h: Include toplev.h.
4014         * diagnostic.h (diagnostic_set_info): Add format attribute.
4015         * rtl-error.c (diagnostic_for_asm): Likewise.
4016
4017 2005-07-23  Chao-ying Fu  <fu@mips.com>
4018
4019         * config/mips/mips-dsp.md: New file.
4020         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4021         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4022         functions.
4023         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4024         MIPS_BUILTIN_BPOSGE32.
4025         (mips_expand_builtin_direct): Add one parameter to indicate that
4026         builtin functions need to return a value.
4027         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4028         functions.
4029         (mips_regno_to_class): Add classes for 12 new DSP registers.
4030         (mips_subword): Change to check four HI registers.
4031         (mips_output_move): Output move to and from 6 new DSP accumulators.
4032         (override_options): Make sure -mdsp and -mips16 are not used together.
4033         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
4034         for machine modes.
4035         (mips_conditional_register_usage): Disable 6 new DSP accumulators
4036         when !TARGET_DSP.
4037         (print_operand): Add 'q' for printing DSP accumulators.
4038         (mips_cannot_change_mode_class): Check ACC_REGS.
4039         (mips_secondary_reload_class): Check ACC_REGS.
4040         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4041         (mips_register_move_cost): Check ACC_REGS.
4042         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4043         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4044         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4045         (dsp_bdesc): New array.
4046         (bdesc_arrays): Add DSP builtin function table.
4047         (mips_prepare_builtin_arg): Check predicate again after
4048         copy_to_mode_reg.
4049         (mips_expand_builtin): Add one more parameter to
4050         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4051         MIPS_BUILTIN_BPOSGE32.
4052         (mips_init_builtins): Initialize new function types.
4053         (mips_expand_builtin_direct): Check if builtin functions need to
4054         return a value and pass operands properly.
4055         (mips_expand_builtin_bposge): New function.
4056         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4057         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4058         (FIRST_PSEUDO_REGISTER): Increase to 188.
4059         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4060         Update for 12 new DSP registers.
4061         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4062         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4063         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4064         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4065         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4066         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4067         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4068         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4069         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4070         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4071         (REGISTER_NAMES): Add names for 12 new DSP registers.
4072         * config/mips/mips.md: Include mips-dsp.md.
4073         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4074         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4075         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4076         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4077         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4078         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4079         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4080         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4081         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4082         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4083         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4084         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4085         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4086         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4087         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4088         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4089         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4090         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4091         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4092         (UNSPEC_RDDSP): New constants.
4093         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4094         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
4095         A<-d alternative.
4096         * config/mips/mips.opt (-mdsp): New option.
4097         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4098         (reg_imm10_operand): New predicates.
4099         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4100         * doc/invoke.texi (-mdsp): Document new option.
4101
4102 2005-07-22  DJ Delorie  <dj@redhat.com>
4103
4104         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4105         to warning calls.
4106         * tree-inline.c (inlinable_function_p): Likewise.
4107
4108 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
4109
4110         PR debug/21828
4111         * toplev.c (check_global_declarations): Do not mark undefined
4112         variables as DECL_IGNORED_P.
4113         * varasm.c (first_global_object_name): GTY it.
4114         (weak_global_object_name): Likewise.
4115         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4116         a string to go into {weak,first}_global_object_name.
4117
4118 2005-07-22  DJ Delorie  <dj@redhat.com>
4119
4120         * c-format.c (check_function_format): Change warning control
4121         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4122
4123 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
4124
4125         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4126         &PTR->FLD a dereference of PTR.
4127         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4128         a potential dereference of PTR.
4129
4130 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
4131
4132         PR rtl-optimization/20370
4133         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4134         call allocate_reg_info if necessary.
4135
4136         PR rtl-optimization/21848
4137         * calls.c (emit_library_call_value_1): For const functions, add
4138         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4139
4140         PR rtl-optimization/22445
4141         * cselib.c (target.h): Include.
4142         (rtx_equal_for_cselib_p): Allow commutative matches.
4143         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4144         Remove MODE parameter.  Changed all callers.
4145
4146         PR rtl-optimization/22258
4147         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4148         New functions.
4149         (try_combine): Use likely_spilled_retval_p.
4150
4151 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
4152
4153         * config.gcc: Add crx-elf support.
4154
4155         * doc/contrib.texi: Mention crx.
4156         * doc/extend.texi: Document crx extensions.
4157         * doc/install.texi: Document crx install.
4158         * doc/invoke.texi: Document crx options.
4159         * doc/md.texi: Document crx constraints.
4160
4161         * config/crx/crx-protos.h: New file.
4162         * config/crx/crx.c: New file.
4163         * config/crx/crx.h: New file.
4164         * config/crx/crx.md: New file.
4165         * config/crx/crx.opt: New file.
4166         * config/crx/t-crx: New file.
4167
4168 2005-07-22  Manfred Hollstein  <mh@suse.com>
4169
4170         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4171         warnings.
4172         (int_add_graph_edge): Likewise.
4173         (collapse_nodes): Likewise.
4174         (process_unification_queue): Likewise.
4175
4176 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4177             Laurent GUERBY  <laurent@guerby.net>
4178
4179         PR tree-optimization/22336
4180         * function.c (record_block_change): Check for
4181         cfun->ib_boundaries_block.
4182
4183 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4184
4185         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4186         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4187
4188 2005-07-21  DJ Delorie  <dj@redhat.com>
4189
4190         * toplev.c (warn_deprecated_use): Add warning control to warning
4191         call.
4192         * c-typeck.c (parser_build_binary_op): Likewise.
4193         (c_finish_if_stmt): Likewise.
4194         * c-common.c (check_function_sentinel): Likewise.
4195         (check_nonnull_arg): Likewise.
4196
4197 2005-07-21  Richard Henderson  <rth@redhat.com>
4198
4199         PR tree-opt/22504
4200         * tree-complex.c (complex_ssa_name_components): New.
4201         (cvc_lookup): Allow entry not found.
4202         (create_components): Remove.
4203         (create_one_component_var, get_component_var): New.
4204         (get_component_ssa_name, set_component_ssa_name): New.
4205         (extract_component): Use get_component_ssa_name.
4206         (update_complex_components): Use set_component_ssa_name.
4207         (update_complex_components_on_edge): Likewise.
4208         (update_phi_components): Create new PHI nodes directly, instead
4209         of adding insns to edges.
4210         (tree_lower_complex): Allocate and free complex_variable_components
4211         and complex_ssa_name_components here.
4212
4213 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4214
4215         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4216         revert to returning false.
4217
4218 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4219
4220         PR target/21149
4221         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4222
4223 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4224
4225         PR target/22576
4226         * config/i386/i386.md (cmpxf): Change operand constraints
4227         to "nonmemory_operand".
4228
4229 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4230
4231         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4232
4233 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4234
4235         PR middle-end/21180
4236         * fold-const.c (fold_build1): Add checksum for the operands.
4237         (fold_build2): Likewise.
4238         (fold_build3): Likewise.
4239
4240 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4241
4242         PR middle-end/19055
4243         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4244
4245 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4246
4247         * common.opt (-fforward-propagate): Committed by mistake,
4248         removed.
4249
4250 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4251
4252         * reg-stack.c: Fix comment typo(s).
4253         * tree-ssa-operands.c: Likewise.
4254         * tree-vectorizer: Likewise.
4255
4256 2005-07-21  Nick Clifton  <nickc@redhat.com>
4257
4258         * config/sh/symbian.c: Replace C++ style line comments with C
4259         style line comments.
4260         (symbian_add_attribute): Do not use a ? operator on the LHS of
4261         an assignment.
4262         (sh_symbian_handle_dll_attribute): Change the type of the
4263         method vector to "VEC(tree,gc)*" and use vector accessor
4264         macros to walk over the elements.
4265         (symbian_export_vtable_and_rtti_p): Likewise.
4266         (symbian_class_needs_attribute_p): Likewise.
4267
4268 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4269
4270         PR target/22085
4271         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4272         initialize targetm.resolve_overloaded_builtin here.
4273         (altivec_expand_overloaded_builtin): Make it non-static.
4274         * config/rs6000/rs6000-protos.h
4275         (altivec_expand_overloaded_builtin): New prototype.
4276         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4277         targetm.resolve_overloaded_builtin here.
4278         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4279
4280 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4281             Zdenek Dvorak  <dvorakz@suse.cz>
4282
4283         PR tree-optimization/19210
4284         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4285         New.
4286         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4287         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4288         rely on unproven assumptions.
4289         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4290         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4291         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4292         to number_of_iterations_exit.
4293         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4294         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4295         * tree-ssa-loop-niter.c (find_loop_niter,
4296         estimate_numbers_of_iterations_loop): Likewise.
4297         (number_of_iterations_exit): Honor the new options.
4298         * doc/invoke.texi (Wunsafe-loop-optimizations,
4299         funsafe-loop-optimizations): Document them.
4300
4301 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4302
4303         PR rtl-optimization/22167
4304         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4305
4306 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4307
4308         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4309         __do_global_dtors_aux longcall.
4310
4311 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4312
4313         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4314         (old_special_pred_table): Don't reference
4315         SPECIAL_MODE_PREDICATES.
4316         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4317         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4318         * config/sh/predicates.h: Don't mention
4319         SPECIAL_MODE_PREDICATES.
4320         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4321         Remove.
4322
4323 2005-07-20  DJ Delorie  <dj@redhat.com>
4324
4325         * config.gcc: Add m32c-elf support.
4326
4327         * doc/contrib.texi: Mention m32c.
4328         * doc/extend.texi: Document m32c extensions.
4329         * doc/install.texi: Mention m32c.
4330         * doc/invoke.texi: Document m32c options.
4331         * doc/md.texi: Document m32c constraints.
4332
4333         * config/m32c/addsub.md: New file.
4334         * config/m32c/bitops.md: New file.
4335         * config/m32c/cond.md: New file.
4336         * config/m32c/jump.md: New file.
4337         * config/m32c/m32c-lib1.S: New file.
4338         * config/m32c/m32c-lib2.c: New file.
4339         * config/m32c/m32c-modes.def: New file.
4340         * config/m32c/m32c-pragma.c: New file.
4341         * config/m32c/m32c-protos.h: New file.
4342         * config/m32c/m32c.abi: New file.
4343         * config/m32c/m32c.c: New file.
4344         * config/m32c/m32c.h: New file.
4345         * config/m32c/m32c.md: New file.
4346         * config/m32c/m32c.opt: New file.
4347         * config/m32c/minmax.md: New file.
4348         * config/m32c/mov.md: New file.
4349         * config/m32c/muldiv.md: New file.
4350         * config/m32c/predicates.md: New file.
4351         * config/m32c/prologue.md: New file.
4352         * config/m32c/shift.md: New file.
4353         * config/m32c/t-m32c: New file.
4354
4355 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4356
4357         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4358         (stack_protect_set, stack_protect_test): New expanders.
4359         (stack_protect_set_si, stack_protect_set_si_media,
4360         stack_protect_set_di_media, stack_protect_test_si,
4361         stack_protect_test_si_media, stack_protect_test_di_media):
4362         New insns.
4363
4364 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4365
4366         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4367
4368 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4369
4370         * tree.h (tree_expr_nonzero_p): Export.
4371         * fold-const.c (tree_expr_nonzero_p): Likewise.
4372         Return true for CALL_EXPRs that are alloca calls.
4373         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4374         against zero.
4375         * tree-flow.h (expr_computes_nonzero): Remove.
4376         * tree-vrp.c (expr_computes_nonzero): Remove.
4377         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4378         (extract_range_from_unary_expr): Likewise.
4379         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4380         tree_expr_nonzero_p.
4381
4382 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4383
4384         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4385         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4386         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4387         All callers changed.
4388         (frame_related_constant_load): New arg "related" which controls
4389         setting of RTX_FRAME_RELATED_P.  All callers changed.
4390         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4391         (bfin_expand_prologue): Add stack limit checking.
4392         * config/bfin/bfin.md (trapifcc): New pattern.
4393
4394         * config/bfin/bfin.c: Include "langhooks.h".
4395         (def_builtin): Go through lang_hooks to call builtin_function.
4396
4397         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4398         * config/bfin/predicates.md (symbol_ref_operand): New.
4399         (call_insn_operand): Delete.  All callers changed to use
4400         register_no_elim_operand.
4401         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4402         call_cookie field.
4403         (function_arg): Use it to generate the call's operand 2.
4404         (bfin_longcall_p): New function.
4405         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4406         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4407         determine if the address needs to be in a REG.
4408         (bfin_handle_longcall_attribute): New function.
4409         (bfin_attribute_table): Add "longcall" and "shortcall".
4410         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4411         (CUMULATIVE_ARGS): New member call_cookie.
4412         (PREDICATE_CODES): Add symbol_ref_operand.
4413         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4414         extra USE to the pattern.
4415         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4416         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4417         sibcall_value_insn; now the new patterns handle direct calls and the
4418         old ones indirect calls.
4419         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4420
4421 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4422
4423         * doc/trouble.texi: Update section on handling of empty loops.
4424
4425 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4426
4427         * config.gcc: Remove support for sparc-*-openbsd*,
4428         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4429         ns32k-*-netbsd*.
4430         * config.host: Remove support for i860-*-sysv4* as a host.
4431         * config/i860/*, config/ip2k/*, config/ns32k/*,
4432         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4433         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4434         mention obsolete ports.
4435
4436 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4437
4438         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4439         soft frame pointer.
4440         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4441         of frame_pointer_rtx.
4442         (sh_expand_epilogue): Likewise.
4443         (sh_set_return_address): Likewise.
4444         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4445         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4446         offsets from FRAME_POINTER_REGNUM.
4447         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4448         (sh_register_names): Add initializer for sfp.
4449         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4450         (VALID_REGISTER_P): Likewise.
4451         (FIRST_PSEUDO_REGISTER): Update.
4452         (DWARF_FRAME_REGISTERS): Define.
4453         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4454         (HARD_FRAME_POINTER_REGNUM): Define.
4455         (FRAME_POINTER_REGNUM): Redefine.
4456         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4457         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4458         from FRAME_POINTER_REGNUM.
4459         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4460         FRAME_POINTER_REGNUM.
4461         (REG_CLASS_CONTENTS): Add sfp.
4462         (REG_ALLOC_ORDER): Likewise.
4463         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4464         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4465         of frame_pointer_rtx.
4466         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4467
4468 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4469
4470         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4471         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4472         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4473         of an ABS_EXPR.
4474         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4475         ABS_EXPR<x>.
4476
4477 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4478
4479         Make CONSTRUCTOR use VEC to store initializers.
4480         * c-common.c (complete_array_type): Update to cope with VEC in
4481         CONSTRUCTOR_ELTS.
4482         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4483         (pp_c_constructor_elts): New function.
4484         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4485         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4486         struct constructor_stack, struct initializer_stack,
4487         constructor_elements, push_init_level, pop_init_level,
4488         add_pending_init, find_init_member, output_init_element): Update to
4489         cope with VEC in CONSTRUCTOR_ELTS.
4490         * coverage.c (build_fn_info_value, build_ctr_info_value,
4491         build_gcov_info): Likewise.
4492         * expr.c (categorize_ctor_elements_1, store_constructor,
4493         expand_expr_real_1): Likewise.
4494         * fold-const.c (fold_ternary): Likewise.
4495         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4496         gimplify_init_constructor, gimplify_expr): Likewise.
4497         * tree-dump.c (dequeue_and_dump): Likewise.
4498         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4499         node.
4500         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4501         CONSTRUCTOR_ELTS.
4502         * tree-sra.c (generate_element_init_1): Likewise.
4503         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4504         * tree-ssa-operands.c (get_expr_operands): Likewise.
4505         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4506         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4507         (get_initial_def_for_reduction): Likewise.
4508         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4509         value handle in annotations.
4510         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4511         tree_node_structure): Add support for constr_kind.
4512         (build_vector_from_ctor, build_constructor_single,
4513         build_constructor_from_list): New functions.
4514         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4515         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4516         Update to cope with VEC in CONSTRUCTOR_ELTS.
4517         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4518         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4519         CONSTRUCTOR_APPEND_ELT): New macros.
4520         (struct constructor_elt, struct tree_constructor): New data types.
4521         (union tree_node): Add tree_constructor field.
4522         * treestruct.def: Define TS_CONSTRUCTOR.
4523         * varasm.c (const_hash_1, compare_constant, copy_constant,
4524         compute_reloc_for_constant, output_addressed_constants,
4525         initializer_constant_valid_p, output_constant,
4526         array_size_for_constructor, output_constructor): Update to cope with
4527         VEC in CONSTRUCTOR_ELTS.
4528         * vec.h (VEC_empty, VEC_copy): New macros.
4529
4530 2005-07-19  Devang Patel  <dpatel@apple.com>
4531
4532         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4533
4534 2005-07-19  Richard Henderson  <rth@redhat.com>
4535
4536         PR tree-opt/22278
4537         * gimplify.c (gimplify_expr): Use main variant type for the temp
4538         destination for a discarded volatile read.
4539         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4540         casts between non-void types that change volatility.
4541
4542 2005-07-15  DJ Delorie  <dj@redhat.com>
4543
4544         * toplev.h: Add comment about the first parameter for warning().
4545         * errors.h: Likewise.
4546
4547         * c.opt (Wpragmas): New.
4548         * doc/invoke.texi: Document it.
4549
4550         * function.c (do_warn_unused_parameter): Add warning control to
4551         warning call.
4552         * c-decl.c (warn_if_shadowing): Likewise.
4553         * c-lex.c (cb_def_pragma): Likewise.
4554         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4555         (pop_alignment): Likewise.
4556         (handle_pragma_pack): Likewise.
4557         (apply_pragma_weak): Likewise.
4558         (handle_pragma_weak): Likewise.
4559         (handle_pragma_redefine_extname): Likewise.
4560         (add_to_renaming_pragma_list): Likewise.
4561         (handle_pragma_extern_prefix): Likewise.
4562         (maybe_apply_renaming_pragma): Likewise.
4563         (handle_pragma_visibility): Likewise.
4564
4565         * config/c4x/c4x-c.c (BAD): Likewise.
4566         (c4x_parse_pragma): Likewise.
4567         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4568         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4569         (rs6000_pragma_longcall): Likewise.
4570         * config/v850/v850-c.c (pop_data_area): Likewise.
4571         (ghs_pragma_section): Likewise.
4572         (ghs_pragma_section): Likewise.
4573         (ghs_pragma_interrupt): Likewise.
4574         (ghs_pragma_starttda): Likewise.
4575         (ghs_pragma_startsda): Likewise.
4576         (ghs_pragma_startzda): Likewise.
4577         (ghs_pragma_endtda): Likewise.
4578         (ghs_pragma_endsda): Likewise.
4579         (ghs_pragma_endzda): Likewise.
4580
4581 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4582             Kenneth Zadeck <zadeck@naturalbridge.com>
4583
4584         * Makefile.in: Removed tree-promote-statics.c
4585         * tree-promote-statics.c: Removed.
4586         * common.opt: Removed flag-promote-statics.
4587         * opts.c: Ditto.
4588         * passes.c: Removed tree-promote-statics pass.
4589         * tree-pass.h: Ditto.
4590         * timevar.def: Removed TV_PROMOTE_STATICS.
4591
4592
4593 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4594
4595         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4596         and *-*-freebsd9.
4597         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4598
4599 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4600
4601         PR c/22476
4602         * c-common.c (check_function_arguments): Call
4603         'check_function_format' if either -Wformat or
4604         -Wmissing-format-attribute are specified.
4605         * c-format.c (check_function_format): Check -Wformat before
4606         calling 'check_format_info'.
4607         * c-opts.c (c_common_post_options): Don't warn for
4608         -Wmissing-format-attribute without -Wformat.
4609         * c-typeck.c (convert_for_assignment): Detect additional cases for
4610         -Wmissing-format-attribute.
4611         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4612         behavior.
4613
4614 2005-07-19  Richard Guenther  <rguenther@suse.de>
4615
4616         * config/i386/i386.md (lrint<mode>2): Use temporary
4617         instead of clobbering non-existent memory.
4618
4619 2005-07-19  Nick Clifton  <nickc@redhat.com>
4620
4621         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4622         statement to avoid displaying ASCII control characters.
4623
4624 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4625
4626         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4627         * cfganal.c (find_edge_index): Ditto.
4628         * combine.c (combine_instructions): Ditto.
4629         * ddg.c (create_scc): Ditto.
4630         (find_successors): Ditto.
4631         (find_predecessors): Ditto.
4632         (find_nodes_on_paths): Ditto.
4633         (longest_simple_path): Ditto.
4634         * flow.c (update_life_info): Ditto.
4635         (count_or_remove_death_notes): Ditto.
4636         (clear_log_links): Ditto.
4637         * modulo-sched.c (generate_reg_moves): Ditto.
4638         (find_max_asap): Ditto.
4639         (find_max_hv_min_mob): Ditto.
4640         (find_max_dv_min_mob): Ditto.
4641         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4642         * sched-rgn.c (extract_edgelst): Ditto.
4643         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4644         (dump_update_ssa): Ditto.
4645         (ssa_names_to_replace) Ditto.
4646         (switch_virtuals_to_full_rewrite): Ditto.
4647         (update_ssa): Ditto.
4648         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4649
4650 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4651
4652         Fix PR tree-optimization/22483
4653
4654         * tree-complex.c (create_components): Use
4655         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4656         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4657         * tree-flow.h (safe_referenced_var_iterator): New structure.
4658         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4659         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4660         safe_referenced_var iterator.
4661         (add_type_alias): Ditto.
4662
4663 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4664
4665         * loop-init.c (rest_of_handle_loop2): Remove.
4666         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4667         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4668         (pass_rtl_loop_init, pass_rtl_loop_done,
4669         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4670         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4671         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4672         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4673         pass_tree_loop_done, and pass_tree_unswitch.
4674         (gate_loop): Rename to gate_tree_loop.
4675         * passes.c (init_optimization_passes): Update for renamed tree
4676         loop passes.  Add the new loop2 passes as subpasses of loop2.
4677         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4678         Update for the renamed tree loop passes.
4679
4680 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4681
4682         PR middle-end/22057
4683         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4684         blocks when optimizing.
4685
4686 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4687
4688         * common.opt (frename-registers): Initialize to 2.
4689         (fweb): Ditto.
4690         (fgcse-after-reload): Ditto.
4691         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4692         (process_options): Only change flag_web, flag_rename_registers,
4693         and flag_rerun_cse_after_loop if not explicitly set by user.
4694
4695 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4696
4697         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4698         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4699         in 64-bit mode the same as DImode in 32-bit mode.
4700         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4701         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4702         mode. Add new mode parameter.
4703         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4704         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4705         x86_64_shift_adj): New expanders.
4706         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4707         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4708         insns.
4709         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4710         DImode shift splitters.
4711         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4712         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4713         mode parameter.
4714
4715 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4716
4717         * i386.md (movdi_extzv_1): New.
4718         (zero_extendhidi2): Combine alternatives and never force use of
4719         REX64 prefix.
4720         (zero_extendqidi2): Likewise. Don't restrict input selection.
4721
4722 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4723
4724         Fix PR tree-optimization/22531
4725         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4726          moment.
4727
4728 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4729
4730         * tree-promote-statics.c (pass_promote_statics): Change dump file
4731          name.
4732
4733 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4734
4735         * tree-optimize.c (init_tree_optimization_passes): Add
4736         pass_eliminate_useless_stores pass.
4737         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4738         * tree-ssa-pre.c (is_copy_stmt): New function.
4739         (follow_copies_till_vuse): Ditto.
4740         (do_eustores): Ditto.
4741         (gate_eustores): Ditto.
4742
4743 2005-07-16  Richard Henderson  <rth@redhat.com>
4744
4745         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4746
4747 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4748            Kenneth Zadeck <zadeck@naturalbridge.com>
4749
4750         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4751         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4752         ipa-type-escape.h, tree-promote-statics.c
4753         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4754         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4755         tree-promote-statics.c: new files.
4756         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4757         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4758         int nonlocal_set_p, mark_constant_function): Deleted.
4759         (rest_of_handle_cfg): Removed call to mark_constant_function.
4760         (nonoverlapping_component_refs_p): Added calls to support
4761         type based aliasing.
4762         * tree-ssa-alias.c (may_alias_p,
4763         compute_flow_insensitive_aliasing): Ditto.
4764         * calls.c (flags_from_decl_or_type): Removed reference to
4765         cgraph_rtl_info.
4766         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4767         too many arguments.  This is necessary for Spec 2000.
4768         * cgraph.h (const_function, pure_function): Removed.
4769         * common.opt: Added "fipa-pure-const", "fipa-reference",
4770         "fipa-type-escape", and "ftree-promote-static".
4771         * opts.c: Ditto.
4772         * passes.c: Added ipa and tree-promote-statics passes.
4773         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4774         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4775         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4776         * tree-flow.h: Added exposed sra calls and addition of
4777         reference_vars_info field for FUNCTION_DECLS.
4778         * tree-pass.h: Added passes.
4779         * tree-sra.c: (sra_init_cache): New function.
4780         (sra_insert_before, sra_insert_after) Made public.
4781         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4782         and made public.
4783         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4784         aliasing. (may_alias_p): Added code to use type escape analysis to
4785         improve alias sets.
4786         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4787         code to prune clobbers of static variables based on information
4788         produced in ipa-reference pass.  Changed call clobbering so that
4789         statics are not marked as clobbered if the call does not clobber
4790         them.
4791
4792 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4793
4794         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4795         too.
4796
4797 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4798
4799         * doc/install.texi (*-*-solaris2*): Document recommended version
4800         of GNU binutils and mention GNU linker problem on Solaris 10.
4801
4802 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4803
4804         PR c/22421
4805         * c-decl.c (c_build_bitfield_integer_type): New function.
4806         (finish_struct): Call it.
4807         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4808
4809 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4810
4811         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4812         before returning.
4813
4814 2005-07-16  Jan Hubicka  <jh@suse.cz>
4815
4816         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4817         (scale_bbs_frequencies_int): Watch roundoff errors.
4818         * predict.c (return_prediction): Initialize return_stmt.
4819
4820 2005-07-16  Jan Hubicka  <jh@suse.cz>
4821
4822         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4823         after RTL profiling.
4824
4825 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4826
4827         PR middle-end/22398
4828         * fold-const.c (build_range_check): Convert high/low to etype
4829         if we are only comparing against exp.
4830
4831 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4832
4833         Fix PR tree-optimization/22376
4834         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4835         special var here.
4836         (need_to_solve): New function.
4837         (compute_points_to_sets): Use it.
4838
4839 2005-07-15  Jan Hubicka  <jh@suse.cz>
4840
4841         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4842         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4843
4844 2005-07-15  Richard Guenther  <rguenther@suse.de>
4845
4846         * c-common.c (handle_flatten_attribute): New function.
4847         Add flatten function attribute.
4848         * doc/extend.texi: Document flatten function attribute.
4849         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4850         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4851         New functions.
4852         (cgraph_decide_inlining): Handle functions with flatten
4853         attribute.
4854
4855 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4856
4857         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4858         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4859         UNSPEC_XCHG, UNSPEC_AND): New.
4860         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4861         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4862         * config/rs6000/sync.md (FETCHOP): New code macro.
4863         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4864         New code attrs.
4865         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4866         (sync_compare_and_swap<mode>): Same.
4867         (sync_lock_test_and_set<mode>): Same.
4868         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4869         for QImode and HImode, and not PPC405.
4870         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4871         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4872         (sync_<fetchop>{si,di}_internal): New.
4873         (sync_nand{si,di}_internal): New.
4874         (sync_old_<fetchop>{si,di}_internal): New.
4875         (sync_old_nand{si,di}_internal): New
4876         (sync_new_<fetchop>{si,di}_internal): New.
4877         (sync_new_nand{si,di}_internal): New.
4878         (atomic_and{si,di}): New.
4879         (sync_new_nand{si,di}_internal): New.
4880         (atomic_and{si,di}): New.
4881         (sync_add<mode>_internal): Delete.
4882         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4883         (sync_sub<mode>_internal): Delte.
4884         (sync_subshort_internal): New.
4885         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4886         (sync_anddi_internal): Delete.
4887         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4888         (sync_booldi_internal): Delete.
4889         (sync_boolc<mode>_internal): Delete.
4890         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4891         (sync_boolc<mode>_internal2): Delete.
4892         (sync_boolcc<mode>_internal): Delete.
4893         (isync, lwsync): Use unspec instead of unspec_volatile.
4894         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4895         Revert UNSPEC_VOLATILE.
4896         (rs6000_split_atomic_op): New.
4897         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4898
4899 2005-07-14  Eric Christopher  <echristo@redhat.com>
4900
4901         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4902         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4903
4904 2005-07-14  Eric Christopher  <echristo@redhat.com>
4905
4906         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4907
4908 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4909
4910         PR tree-optimization/22230
4911         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4912         the computation of the four cross productions for "range op range".
4913
4914 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4915             Ulrich Weigand  <uweigand@de.ibm.com>
4916
4917         PR target/20126
4918         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4919         in some insn.
4920
4921 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4922
4923         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4924
4925 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4926
4927         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4928
4929 2005-07-14  Richard Guenther  <rguenther@suse.de>
4930
4931         PR middle-end/22347
4932         * config/i386/i386-protos.h (ix86_function_value): Change
4933         prototype to match new target hook.
4934         * config/i386/i386.c (ix86_value_regno): Change prototype
4935         to take extra type argument.
4936         (TARGET_FUNCTION_VALUE): Define.
4937         (ix86_function_ok_for_sibcall): Pass extra argument to
4938         ix86_value_regno, check return slot rtx for exact match.
4939         (ix86_function_value): Take extra parameter.  Dispatch to
4940         ix86_value_regno with fndecl/fntype as provided.
4941         (ix86_value_regno): Handle extra type argument.
4942         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4943
4944         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4945         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4946         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4947         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4948         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4949
4950 2005-07-14  Richard Guenther  <rguenther@suse.de>
4951
4952         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4953         * calls.c (expand_call): Pass fntype to hard_function_value.
4954         (emit_library_call_value_1): Likewise.
4955         * explow.c: Include target.h.
4956         (hard_function_value): Take extra argument, the fntype.
4957         Use new target hook for function_value.
4958         * expr.h (hard_function_value): Change prototype.
4959         * function.c (aggregate_value_p): Pass 0 as fntype to
4960         hard_function_value.
4961         (assign_parms): Use new target hook for function_value.
4962         Pass 0 as fntype to hard_function_value.
4963         (expand_function_end): Likewise.
4964         * reg-stack.c: Include target.h.
4965         (stack_result): Use new target hook for function_value.
4966         * target-def.h: New target hook function_value.
4967         * target.h: Likewise.
4968         * targhooks.c (default_function_value): New function.
4969         * targhooks.h (default_function_value): Declare.
4970
4971 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4972
4973         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4974
4975 2005-07-14  Jan Hubicka  <jh@suse.cz>
4976
4977         * tree-dfa.c (dump_variable): Use default_def function.
4978         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4979         * tree-ssa.c (verify_use): Likewise.
4980         * tree-ssanames.c (release_ssa_name): Likewise.
4981         * tree-tailcall.c (eliminate_tail_call): Likewise.
4982         (tree_optimize_tail_calls_1): Likewise.
4983         * tree-vrp.c (get_value_range): Likewise.
4984
4985 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4986
4987         * gcc.c (main): Compare language[0] with '*' when iterating over
4988         the infiles.
4989
4990 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4991
4992         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4993         "s390_emit_compare".  Add handling of CCZ1mode.
4994         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4995         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4996         checking.
4997         (s390_branch_condition_mask): Add CCZ1mode handling.
4998         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4999         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5000         Use CCZ1mode instead of CCZmode.
5001         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
5002
5003 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5004
5005         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5006         pattern.
5007         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5008
5009 2005-07-13  Eric Christopher  <echristo@redhat.com>
5010
5011         * config/mips/mips.c (mips_canonicalize_comparison): New.
5012         (mips_emit_int_relational): Use.
5013
5014 2005-07-13  Eric Christopher  <echristo@redhat.com>
5015
5016         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5017         static extra parts.
5018         * config/s390/s390.md: Include tpf.md. Move tpf specific
5019         patterns...
5020         * config/s390/tpf.md: To here.
5021         * config/s390/s390.opt: Move tpf specific options...
5022         * config/s390/tpf.opt: to here. Add mmain option.
5023         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5024         * config/s390/tpf.h: Rewrite.
5025
5026 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5027
5028         * doc/tm.texi: Remove @xref{Cross-profiling}.
5029
5030 2005-07-13  Jeff Law  <law@redhat.com>
5031
5032         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5033         expressions, test their _DECL operands for pointer equality rather
5034         than using operand_equal_p.
5035
5036 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5037
5038         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5039         (TARGET_POSIX_IO): This.
5040         * config/darwin.h: Likewise.
5041         * config/freebsd.h: Likewise.
5042         * config/linux.h: Likewise.
5043         * config/lynx.h: Likewise.
5044         * config/netbsd.h: Likewise.
5045         * config/rs6000/linux64.h: Likewise.
5046         * config/rs6000/linux.h: Likewise.
5047         * config/s390/tpf.h: Likewise.
5048         * config/sh/embed-elf.h: Likewise.
5049         * config/sparc/linux64.h: Likewise.
5050         * config/sparc/linux.h: Likewise.
5051         * config/svr4.h: Likewise.
5052         * gcov-io.h: Likewise.
5053
5054         * doc/tm.texi: Updated.
5055
5056         * libgcov.c (create_file_directory): Defined only if
5057         TARGET_POSIX_IO is defined.
5058         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5059         is defined.
5060
5061 2005-07-13  Jan Hubicka  <jh@suse.cz>
5062
5063         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5064
5065 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
5066
5067         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5068         structure as argument.
5069
5070 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
5071
5072         PR tree-optimization/21921
5073         * tree-iterator.c (tsi_link_before): Support the case when
5074         tsi_end_p (tsi) == true.
5075
5076 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5077
5078         PR tree-optimization/22442
5079         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5080         correctly.
5081
5082 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5083
5084         PR rtl-optimization/20376
5085         * toplev.c (process_options): Enable -fweb and -frename-registers when
5086         unrolling.
5087         * doc/invoke.texi: Update the information about when -fweb and
5088         -frename-registers are enabled.
5089
5090 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5091
5092         PR tree-opt/21840
5093         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5094         if *rhs_p is not a SSA_NAME.
5095
5096 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
5097
5098         Fix PR tree-optimization/22422
5099         * tree-ssa-structalias.c (struct variable_info): Add flag for
5100         special vars.
5101         (get_varinfo): Now a static function.
5102         (new_varinfo): init has_union and is_special_var to false.
5103         (solution_set_add): Check has_union.
5104         (do_da_constraint): Move temporary variable so it gets reset
5105         properly.
5106         Also check for special variable.
5107         (do_ds_constraint): Ditto.
5108         (do_sd_constraint): Ditto.
5109         (do_structure_copy): Check for special variable.
5110         (find_func_aliases): Ditto.
5111         (init_base_vars): Set special vars properly.
5112
5113 2005-07-13  Jan Hubicka  <jh@suse.cz>
5114
5115         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5116         do unit-at-a-time.
5117
5118         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5119         (get_expr_operands): Fix thinko wrt flags and subvars.
5120
5121         PR tree-optimize/22379
5122         * tree-inline.c (expand_call_inline): Do not output sorry in early
5123         inlining.
5124
5125 2005-07-12  Dale Johannesen  <dalej@apple.com>
5126
5127         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
5128
5129 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5130
5131         PR bootstrap/21704
5132         * host-linux.h: Include limits.h.
5133
5134 2005-07-12  Dale Johannesen  <dalej@apple.com>
5135
5136         * expr.c (compress_float_constant):  Add cost check.
5137         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
5138
5139 2005-07-12  Dale Johannesen  <dalej@apple.com>
5140
5141         * gcc.target/i386/compress-float-sse.c:  New.
5142         * gcc.target/i386/compress-float-sse-pic.c:  New.
5143         * gcc.target/i386/compress-float-387.c:  New.
5144         * gcc.target/i386/compress-float-387-pic.c:  New.
5145         * gcc.dg/compress-float-ppc.c:  New.
5146         * gcc.dg/compress-float-ppc-pic.c:  New.
5147
5148 2005-07-12  Eric Christopher  <echristo@redhat.com>
5149
5150         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5151         static extra parts.
5152         * config/s390/s390.md: Include tpf.md. Move tpf specific
5153         patterns...
5154         * config/s390/tpf.md: To here.
5155         * config/s390/s390.opt: Move tpf specific options...
5156         * config/s390/tpf.opt: to here. Add mmain option.
5157         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5158         * config/s390/tpf.h: Rewrite.
5159
5160 2005-07-12  Eric Christopher  <echristo@redhat.com>
5161
5162         * gcc.c (struct infile): Update comment for language.
5163         (main): Rewrite input file resetting code.
5164
5165 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5166
5167         PR tree-opt/22335
5168         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5169         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
5170         (lookup_avail_expr): Use constant_boolean_node instead
5171         of boolean_false_node/boolean_true_node.
5172
5173 2005-07-12  Ben Elliston  <bje@au.ibm.com>
5174
5175         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5176         and use it when printing num_edges.
5177
5178 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5179
5180         * doc/extend.texi (Blackfin Built-in Functions): New section.
5181         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5182         @opindex.
5183
5184 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5185
5186         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5187         s/cmpstrsi/cmpstrnsi
5188         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5189         'cmpstrnsi'.
5190         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5191         (init_optabs): Initialize cmpstrn_optab.
5192         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5193         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5194         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5195         * config/i386/i386.md: s/cmpstr/cmpstrn
5196         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5197         * doc/md.texi: Update documentation.
5198
5199 2005-07-11  Richard Henderson  <rth@redhat.com>
5200
5201         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5202         build_va_arg_indirect_ref.
5203         (alpha_gimplify_va_arg): Likewise.
5204         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5205         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5206         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5207         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5208         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5209         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5210         Likewise.
5211         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5212
5213 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5214
5215         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5216         * passes.c (init_optimization_passes): Add pass_empty_loop.
5217         * tree-pass.h (pass_empty_loop): Declare.
5218         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5219         try_remove_empty_loop, remove_empty_loops): New functions.
5220         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5221         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5222
5223 2005-07-12  Peter Barada  <peter@the-baradas.com>
5224
5225         PR middle-end/16719
5226         PR middle-end/18421
5227         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5228         in address registers.
5229         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5230         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5231         alternative of addsi3_5200.
5232
5233 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5234
5235         * config/mips/mips.md (ffs<mode>2): Remove.
5236
5237 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5238
5239         * doc/tree-ssa.texi (Cleanups): Improve description of
5240         TRY_FINALLY_EXPR.
5241         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5242
5243 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5244
5245         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5246         * tree.h (DECL_ARGUMENT_FLD): New macro.
5247
5248 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5249
5250         Fix PR tree-optimization/22404
5251
5252         * tree-ssa-structalias.c (create_variable_info_for): Use
5253         correct offset.
5254
5255 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5256
5257         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5258         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5259         for second comparison operand.
5260         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5261
5262         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5263         (define_insn_reservation "alu"): Likewise.
5264         (csync, ssync): Now of type sync.
5265         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5266         -mcsync-anomaly -mspecld-anomaly.
5267         * config/bfin/bfin.opt (mcsync): Remove.
5268         (mcsync-anomaly, mspecld-anomaly): Add.
5269         * config/bfin/bfin.c: Include "insn-codes.h".
5270         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5271         (TARGET_DEFAULT_TARGET_FLAGS): New.
5272         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5273
5274 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5275
5276         * basic-block.h: Give the BB flags enum a name, bb_flags.
5277         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5278         * cfgcleanup.c (enum bb_flags): Remove here.
5279         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5280         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5281         (update_forwarder_flag): Likewise.
5282         (thread_jump): Likewise.
5283         (try_forward_edges): Likewise.
5284         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5285         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5286         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5287
5288 2005-07-11  Richard Guenther  <rguenther@suse.de>
5289
5290         * config/i386/i386.opt: New target option -msseregparm.
5291         * config/i386/i386.c (override_options): Error out for
5292         -msseregparm but no SSE support.
5293         (ix86_function_sseregparm): Check for global sseregparm.
5294         * doc/invoke.texi: Document -msseregparm.
5295
5296 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5297
5298         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5299         (m32rle-*-linux*): Ditto.
5300
5301 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5302
5303         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5304         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5305         bytes.
5306
5307 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5308
5309         PR middle-end/22239
5310         PR target/20126
5311         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5312         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5313
5314 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5315
5316         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5317         (varmap): Heapify varmap.
5318         (constraints): Heapify constraints.
5319         (struct constraint_graph): Heapify succs and preds.
5320         (constraint_vec_find): Update for heapification.
5321         (constraint_set_union): Ditto.
5322         (insert_into_complex): Ditto.
5323         (constraint_edge_vec_find): Ditto.
5324         (erase_graph_self_edge): Ditto.
5325         (add_graph_edge): Ditto.
5326         (get_graph_weights): Ditto.
5327         (merge_graph_nodes): Ditto.
5328         (build_constraint_graph): Ditto.
5329         (topo_visit): Ditto.
5330         (solve_graph): Ditto.
5331         (create_variable_info_for): Ditto.
5332         (init_base_vars): Ditto.
5333         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5334         (condese_varmap_nodes): Free complex vector.
5335         (clear_edges_for_node): Clear succs and preds vector.
5336
5337 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5338
5339         * tree-ssa-structalias.c (update_alias_info): Change counting of
5340         references to not include vdefs.
5341
5342 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5343
5344         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5345         (up_insert): Ditto.
5346
5347 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5348
5349         * pa.c (pa_commutative_p): Make PLUS commutative when
5350         TARGET_NO_SPACE_REGS is true.
5351
5352 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5353
5354         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5355         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5356         * tree-dfa.c (dump_subvars_for): New.
5357         (debug_subvars_for): New.
5358         (dump_variable): Show subvariables if VAR has them.
5359         * tree-flow-inline.h (get_subvar_at): New.
5360         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5361         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5362         Update all users.
5363         (struct subvar): Change fields offset and size to unsigned
5364         HOST_WIDE_INT.
5365         (dump_subvars_for): Declare.
5366         (debug_subvars_for): Declare.
5367         (get_subvar_at): Declare.
5368         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5369         to unsigned HOST_WIDE_INT *.
5370         (overlap_subvar): Likewise.
5371         * tree-gimple.c (is_gimple_reg): Always return false for
5372         SFTs and memory tags.
5373         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5374         Update all callers.
5375         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5376         (compute_may_aliases): Call compute_points_to_sets.
5377         (collect_points_to_info_for): Remove.
5378         (compute_points_to_and_addr_escape): Remove.
5379         (delete_alias_info): Call delete_points_to_sets.
5380         (compute_flow_sensitive_aliasing): If the call to
5381         find_what_p_points_to returns false, call set_pt_anything.
5382         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5383         (set_pt_anything): Clear pi->pt_vars.
5384         (set_pt_malloc): Remove.
5385         (merge_pointed_to_info): Remove.
5386         (add_pointed_to_expr): Remove.
5387         (add_pointed_to_var): Remove.
5388         (collect_points_to_info_r): Remove.
5389         (is_escape_site): Make extern.
5390         (create_sft): New.
5391         (create_overlap_variables_for): Call it.
5392         * tree-ssa-copy.c (merge_alias_info): Never merge
5393         flow-sensitive alias information.
5394         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5395         offset and size to be unsigned HOST_WIDE_INT.
5396         (add_to_addressable_set): Rename from note_addressable.
5397         Set TREE_ADDRESSABLE as the variables are added to the set.
5398         Update all users.
5399         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5400         operands into VUSEs when adding V_MAY_DEFs for members in an
5401         alias set.
5402         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5403         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5404         (struct variable_info): Add bitfield is_heap_var.
5405         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5406         (new_var_info): Initialize is_heap_var.
5407         (get_constraint_for): Add HEAP variables to the symbol table.
5408         Mark them with is_heap_var.
5409         (update_alias_info): New.  Taken mostly from the old
5410         compute_points_to_and_addr_escape.
5411         (handle_ptr_arith): New.
5412         (find_func_aliases): Call update_alias_info.
5413         Call handle_ptr_info for tcc_binary expressions.
5414         Call mark_stmt_modified.
5415         (create_variable_info_for): If DECL has subvars, do not create
5416         variables for its subvars.  Always add all the fields.
5417         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5418         SFTs, then add all the SFTs of the structure.
5419         If VI->DECL is an aggregate with subvariables, add the SFT at
5420         VI->OFFSET.
5421         (find_what_p_points_to): If VI is an artificial variable,
5422         translate to bitfields in SSA_NAME_PTR_INFO.
5423         If the solution is empty, set pi->pt_vars to NULL
5424         (init_base_vars): Create ANYOFFSET.
5425         (compute_points_to_sets): Rename from create_alias_vars.
5426         Make extern.
5427         (pass_build_pta): Remove.
5428         (delete_points_to_sets): Rename from delete_alias_vars.
5429         (pass_del_pta): Remove.
5430         * tree-ssa-structalias.h (struct alias_info): Move from
5431         tree-ssa-alias.h.
5432         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5433         NUM_REFERENCES_SET): Likewise.
5434         (compute_points_to_sets, delete_points_to_sets): Declare.
5435
5436 2005-07-09  Richard Henderson  <rth@redhat.com>
5437
5438         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5439         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5440         alpha_split_lock_test_and_set_12): New functions.
5441         * config/alpha/alpha-protos.h: Update.
5442         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5443         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5444         * config/alpha/sync.md (I12MODE): New.
5445         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5446         (sync_<fetchop_name><I48MODE>): Likewise.
5447         (sync_nand<I48MODE>): Likewise.
5448         (sync_old_<fetchop_name><I48MODE>): Likewise.
5449         (sync_new_<fetchop_name><I48MODE>): Likewise.
5450         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5451         (sync_compare_and_swap<I48MODE>): Likewise.
5452         (sync_lock_test_and_set<I48MODE>): Likewise.
5453         (sync_compare_and_swap<I12MODE>): New.
5454         (sync_compare_and_swap<I12MODE>_1): New.
5455         (sync_lock_test_and_set<I12MODE>): New.
5456         (sync_lock_test_and_set<I12MODE>_1): New.
5457
5458 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5459
5460         PR 21356
5461         PR 22332
5462         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5463
5464 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5465
5466         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5467         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5468
5469 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5470
5471         PR target/21656
5472         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5473
5474 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5475
5476         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5477         memory_operand constraint.
5478         (store_conditional_<mode>): Same.
5479         (sync_compare_and_swap<mode>): Same.
5480         (sync_lock_test_and_set<mode>): Same.
5481
5482 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5483
5484         Rewrite PIC support to more closely model actual instructions.
5485         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5486         (cris_symbol): Remove prototypes for removed functions.
5487         (cris_pic_symbol_type_of, cris_valid_pic_const)
5488         (cris_expand_pic_call_address): Prototypes for new functions.
5489         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5490         variable.
5491         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5492         modifiers.
5493         <case ':'>: Add case for new punctuation character.
5494         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5495         emitting (extra) PIC modifier.
5496         <case UNSPEC>: Do not assert for PLT.
5497         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5498         (cris_expand_prologue, cris_expand_epilogue): Check
5499         for pic_offset_table_rtx usage instead of taking
5500         current_function_uses_pic_offset_table as the final word.
5501         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5502         Remove flag_pic difference.
5503         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5504         the moral equivalents of...
5505         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5506         functions.
5507         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5508         (cris_handle_option): Mark ARG as unused.
5509         (cris_expand_pic_call_address): New worker function for "call",
5510         "call_value".
5511         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5512         output PIC constructs here.
5513         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5514         as symbol-specific modifers, not whole or part of operands.
5515         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5516         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5517         constants and flag_pic.
5518         (CONSTANT_INDEX_P): Adjust for new functions.
5519         (enum cris_pic_symbol_type): New helper type.
5520         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5521         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5522         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5523         define_constants.
5524         ("movsi"): Emit actual instructions for GOT and relative access.
5525         ("*movsi_got_load"): New pattern to set up the register holding
5526         the GOT pointer.
5527         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5528         Adjust FIXME for 'S'.
5529         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5530         Use "movs" for -fpic cases.
5531         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5532         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5533         ("call", "call_value"): Just call cris_expand_pic_call_address for
5534         PIC addresses.
5535         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5536         Remove special pattern.
5537         ("*expanded_call_side", "*expanded_call_value_side"): New
5538         patterns.
5539         (gotplt-to-plt, gotplt-to-plt-side-call)
5540         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5541         peephole2:s.
5542         * config/cris/cris/predicates.md
5543         ("cris_general_operand_or_gotless_symbol"): Remove unused
5544         predicate.
5545         ("cris_general_operand_or_symbol"): Adjust for new functions.
5546
5547 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5548
5549         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5550
5551 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5552
5553         * Makefile.in (TREE_H): Add treestruct.def.
5554         (c-decl.o): Add pointer-set.h
5555         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5556         visibility on regular DECL's.
5557         (merge_decls): Fix the copying of decl nodes of various types for
5558         the new structures.  Don't update RTL, section name, weak status,
5559         etc, on DECL's without RTL.
5560         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5561         Don't check volatile on non-variable types.
5562         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5563         to check whether we have seen arguments.
5564         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5565         flag is checked before field (flag is common, field is not).
5566         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5567         TS_DECL_COMMON could have an origin.
5568         (add_location_or_const_value_attribute): Don't check section name
5569         on non-var/function decls.
5570         (dwarf2out_var_location): Reverse order of tests.
5571         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5572         with DECL_WRTL_CHECK.
5573         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5574         * fold-const.c (fold_binary): Don't check weakness on
5575         non-var/function decls.
5576         (tree_expr_nonzero_p): Ditto.
5577         (fold_checksum_tree): Use tree_decl_extra as sizeof
5578         buffer.
5579         * ggc-page.c (extra_order_size_table): Add sizes for
5580         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5581         tree_field_decl.
5582         * gimplify.c (gimplify_bind_expr): Only set
5583         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5584         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5585         without RTL.
5586         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5587         * langhooks.h (init_ts). New langhook.
5588         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5589         * print-tree.c (print_node): Update to only print fields that
5590         exist in the structures the passed decl has.
5591         * toplev.c (wrapup_global_declarations): Don't reset
5592         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5593         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5594         * tree-inline.c (remap_decl): Ditto.
5595         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5596         * tree-pretty-print.c (print_declaration): Don't print
5597         DECL_REGISTER on things that don't contain it.
5598         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5599         non-var/function decls.
5600         * tree.c (tree_contains_struct): New structure.
5601         (init_priority_for_decl): New hashtable.
5602         (tree_int_map): New structure.
5603         (tree_int_map_eq): New function.
5604         (tree_int_map_marked_p): Ditto.
5605         (tree_int_map_hash): Ditto.
5606         (tree_map): Move to tree.h.
5607         (tree_map_eq): Externalize.
5608         (tree_map_hash): Ditto.
5609         (tree_map_marked_p): Ditto.
5610         (init_ttree): Set up tree_contains_struct and call langhook.
5611         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5612         (tree_code_size): Update for new structures.
5613         (tree_node_structure): Update for new structures.
5614         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5615         without the field.
5616         (copy_node_stat):  Copy init priority.
5617         (build_decl_stat): Ditto for visibility.
5618         (ts_enum_names): New.
5619         (tree_contains_struct_check_failed): New function.
5620         (decl_init_priority_lookup): Ditto.
5621         (decl_init_priority_insert): Ditto.
5622         * treestruct.def: New file.
5623         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5624         (CONTAINS_STRUCT_CHECK): Ditto.
5625         (tree_contains_struct_check_failed): New prototype.
5626         (DECL_CHECK): Removed.
5627         (DECL_MINIMAL_CHECK): New.
5628         (DECL_COMMON_CHECK): Ditto.
5629         (DECL_WRTL_CHECK): Ditto.
5630         (DECL_NON_COMMON_CHECK): Ditto.
5631         (DECL_WITH_VIS_CHECK): Ditto.
5632         (VAR_OR_FUNCTION_DECL_P): Ditto
5633         (struct tree_decl_minimal): New structure.
5634         (struct tree_decl_common): Ditto.
5635         (struct tree_decl_with_rtl): Ditto.
5636         (struct tree_decl_with_vis): Ditto.
5637         (struct tree_decl_non_common): Ditto.
5638         (struct tree_field_decl): Ditto.
5639         (struct tree_parm_decl): Ditto.
5640         (struct tree_var_decl): Ditto.
5641         (struct tree_function_decl): Ditto.
5642         (struct tree_const_decl): Ditto.
5643         (struct tree_result_decl): Ditto.
5644         (union tree_node): Add new structures.
5645         * var-tracking.c (track_expr_p): Reverse order of tests.
5646
5647         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5648
5649 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5650
5651         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5652         * system.h: Poison FINALIZE_PIC.
5653         * doc/tm.texi (FINALIZE_PIC): Remove.
5654
5655 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5656
5657         PR tree-opt/22329
5658         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5659         to the correct type if we have a MODIFY_EXPR.
5660
5661 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5662
5663         PR tree-optimization/22360
5664         * tree.c (upper_bound_in_type): Fix calculations for casting
5665         to a non-wider signed type and casting a signed value to a
5666         wider unsigned type.
5667         (lower_bound_in_type): Fix calculations for casting to a
5668         non-wider signed type.
5669
5670         PR tree-optimization/20139
5671         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5672         release_defs.
5673         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5674         fold_cond_expr_cond.
5675         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5676         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5677
5678 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5679
5680         PR tree-opt/22356
5681         * tree-complex.c (expand_complex_libcall): Produce
5682         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5683
5684 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5685
5686         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5687         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5688         b" assert and inserted fastpath code for this case.
5689         (bitmap_ior): Removed "a != b" assert.
5690
5691 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5692
5693         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5694         (ENDFILE_SPEC): Likewise.
5695         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5696
5697         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5698         a large stack frame at epilogue.
5699
5700 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5701
5702         * final.c: Include sdbout.h when required.
5703
5704 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5705
5706         * config.gcc (*-*-darwin*): Only one target-specific header file
5707         for generic darwin.
5708         (powerpc-*-darwin*): Add version-specific header files.
5709         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5710         * config.in: Regenerate.
5711         * configure: Regenerate.
5712         * gcc.c: Include xregex.h.
5713         (version_compare_spec_function): New.
5714         (spec_function): Add version-compare.
5715         (replace_outfile_spec_function): Reformat comment.
5716         (compare_version_strings): New.
5717         * config/darwin-c.c (version_as_macro): New.
5718         (builtin_define): New.
5719         (darwin_cpp_builtins): New.
5720         * config/darwin-protos.h (darwin_cpp_builtins): New.
5721         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5722         (LIB_SPEC): Make unconditional, update comment.
5723         (TARGET_C99_FUNCTIONS): Define.
5724         * config/darwin.opt: Sort.
5725         (mmacosx-version-min=): New.
5726         * config/darwin7.h: Delete.
5727         * config/darwin8.h: Delete.
5728         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5729         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5730         (TARGET_C99_FUNCTIONS): Define.
5731         * config/rs6000/darwin7.h: New.
5732         * config/rs6000/darwin8.h: New.
5733         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5734         (-mmacosx-version-min): Document.
5735
5736 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5737
5738         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5739
5740 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5741
5742         PR middle-end/22239
5743         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5744
5745 2005-07-07  Khem Raj  <kraj@mvista.com>
5746
5747         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5748         in bytes, not words.
5749
5750 2005-07-07  Paul Brook  <paul@codesourcery.com>
5751
5752         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5753         DEFAULT_FUNCTION_ARG_PADDING to upward.
5754
5755 2005-07-07  Richard Henderson  <rth@redhat.com>
5756
5757         * function.c (locate_and_pad_parm): Record parameter alignment in
5758         stack_alignment_needed.
5759
5760 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5761
5762         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5763         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5764         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5765         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5766         (define_attr "type"): Add isync, sync, load_l, store_c.
5767         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5768         Create scratch volatile MEM.
5769         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5770         sync.
5771         (load_locked_<mode>): New.
5772         (store_conditional_<mode>): New.
5773         (sync_compare_and_swap<mode>): Replace with splitter.
5774         (sync_lock_test_and_set<mode>): Replace with splitter.
5775         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5776         and UNSPECV_ISYNC.
5777         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5778         is ics.  Attribute isync.
5779         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5780         lwsync.
5781         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5782         and UNSPECV_SYNC_OP.
5783         (emit_unlikely_jump): New.
5784         (emit_load_locked): New.
5785         (emit_store_conditional): New.
5786         (rs6000_split_compare_and_swap): New.
5787         (rs6000_split_lock_test_and_set): New.
5788         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5789         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5790         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5791         rs6000_split_lock_test_and_set): Declare.
5792         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5793         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5794         store_c, isync, sync.
5795
5796 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5797
5798         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5799         filenames to gtyp-gen.h.
5800         (s-typ-gen): Use it in place of for loops.
5801
5802 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5803
5804         * hooks.c (hook_bool_rtx_int_false): New function.
5805         * hooks.h (hook_bool_rtx_int_false): Declare.
5806         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5807         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5808         * target.h (struct gcc_target): Add commutative_p member.
5809         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5810         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5811         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5812         (pa_commutative_p): New function.
5813         * jump.c (target.h): Include.
5814         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5815         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5816
5817 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5818
5819         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5820         (s390_expand_setmem): New.
5821         * config/s390/s390.c: Likewise.
5822         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5823         Adapt comments.
5824         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5825         general_operand.  Call new function "s390_expand_setmem".
5826         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5827         ("setmem_long", "*setmem_long"): ... this.
5828
5829 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5830
5831         * config/s390/s390.c: (optimization_options): Enable
5832         TARGET_MVCLE at -Os.
5833         * doc/invoke.texi: Document changes in default behaviour.
5834         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5835
5836 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5837
5838         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5839         defined by back-end.
5840
5841 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5842
5843         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5844         all sets in the pattern.
5845         * config/rs6000/rs6000.md (stack_protect_testsi,
5846         stack_protect_testdi): Likewise.
5847
5848 2005-07-06  Jeff Law  <law@redhat.com>
5849
5850         * tree-vrp.c (simplify_using_ranges): Kill.
5851         (vrp_finalize): Remove call to simplify_using_ranges.
5852         (simplify_stmt_using_ranges): New function extracted from
5853         simplify_using_ranges.
5854         (simplify_div_or_mod_using_ranges): Likewise.
5855         (simplify_abs_using_ranges): Likewise.
5856         (simplify_cond_using_ranges): New function.
5857         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5858         * tree-ssa-propagate.c (substitute_and_fold): Call
5859         simplify_stmt_using_ranges if we have range information.
5860
5861 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5862
5863         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5864         ia64_flag_schedule_isns2.
5865
5866         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5867         reading/writing general registers.
5868         (ia64_function_arg): Revert 2005-06-18 change.
5869
5870 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5871
5872         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5873         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5874
5875 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5876
5877         * function.c (expand_function_end): Revert part of 2005-06-27
5878         patch.  Do sjlj_emit_function_exit_after after return_label.
5879
5880 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5881
5882         * doc/install.texi (--disable-libssp): New.
5883
5884 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5885
5886         * doc/invoke.texi: Update -fforce-mem documentation.
5887         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5888         code for -fforce-mem.
5889         * expmed.c: (store_bit_field,store_fixed_bit_field,
5890         extract_bit_field): Ditto.
5891         * expr.c: (convert_move): Ditto.
5892         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5893         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5894         emit_conditional_add,expand_float,expand_fix): Ditto.
5895         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5896         (common_handle_option): Issue warning when -fforce-mem specified.
5897
5898 2005-07-06  Paul Brook  <paul@codesourcery.com>
5899
5900         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5901         argument is empty.
5902         * configure: Regenerate.
5903
5904 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5905
5906         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5907
5908 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5909
5910         Fix PR tree-optimization/22319
5911         Fix PR tree-optimization/22140
5912         Fix PR tree-optimization/22310
5913
5914         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5915         variable sized types.
5916         Use correct type for intermediate structure on *a = *b structure
5917         copies.
5918
5919 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5920
5921         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5922         Remove.
5923         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5924         (machine_function): Move typedef to...
5925         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5926         varargs_save_offset field.
5927         (rs6000_stack_t): Remove varargs_size field.
5928         (setup_incoming_varargs): Allocate varargs save area using
5929         assign_stack_local, try to make it as small as possible.
5930         Save offset from virtual_stack_vars_rtx to the save area
5931         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5932         instead of magic 8 when fp word byte size is used.
5933         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5934         instead of -RS6000_VARARGS_SIZE.
5935         (rs6000_stack_info, debug_stack_info,
5936         rs6000_initial_elimination_offset): Remove all traces of
5937         varargs_size.
5938         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5939         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5940         RS6000_VARARGS_AREA.
5941
5942 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5943
5944         PR tree-optimization/21963
5945         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5946         constant_multiple_of in the same way get_computation_cost_at does.
5947
5948 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5949
5950         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5951         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5952         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5953         and return its previous value.
5954         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5955         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5956         constants.
5957         (stack_protect_set, stack_protect_test): New expanders.
5958         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5959         stack_protect_testdi): New insns.
5960         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5961         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5962
5963 2005-07-06  Jeff Law  <law@redhat.com>
5964
5965         * tree-ssa-dce.c (cfg_altered): New global.
5966         (tree_dce_init): Initialize cfg_altered.
5967         (remove_dead_stmt): If we remove an edge in the CFG, then set
5968         CFG_ALTERED.
5969         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5970         the dominators.
5971
5972 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5973
5974         * Makefile.in (stamp-collect-ld): Use
5975         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5976         ./collect-ld if it already exists.
5977         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5978         Don't remove ./nm if it already exists.
5979
5980 2005-07-05  Devang Patel  <dpatel@apple.com>
5981
5982         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5983         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5984         * tree-vectorizer.c (vect_loop_location): New.
5985         (vect_print_dump_info): Use vect_loop_location.
5986         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5987         (vectorize_loops): Set vect_loop_location.
5988         * tree-vect-analyze.c (vect_analyze_offset_expr,
5989         vect_determin_vectorization_factor, vect_analyze_operations,
5990         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5991         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5992         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5993         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5994         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5995         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5996         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5997         vect_analyze_loop): Adjust vect_print_dump_info API.
5998         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5999         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6000         vect_finish_stmt_generation, vectorizable_assignment,
6001         vectorizable_operation, vectorizable_store, vectorizable_load,
6002         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6003         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6004         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6005         vect_transform_loop): Same.
6006         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6007         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6008         Same.
6009
6010 2005-07-05  Randolph Chung  <tausq@debian.org>
6011
6012         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6013         * configure: Regenerate.
6014         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6015         (pa_tls_referenced_p): Declare.
6016         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6017         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6018         (legitimize_tls_address): New.
6019         (hppa_legitimize_address): Handle TLS addresses.
6020         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6021         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6022         (emit_move_sequence): Handle TLS addresses.
6023         (pa_encode_section_info): Call default handler to handle common
6024         sections.
6025         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6026         (CONSTANT_ADDRESS_P): Reject TLS operands.
6027         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6028         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6029         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6030         (UNSPEC_TLSLE): Define new constants.
6031         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6032         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6033         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6034         (tie_symbolic_operand, tle_symbolic_operand): New
6035
6036 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
6037
6038         * aclocal.m4: Update macros for autoconf 2.59 style.
6039         * configure.ac: Likewise.
6040
6041 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6042
6043         * pa.c (function_value): Handle small aggregates on 32-bit targets.
6044         (function_arg): Pass small aggregates in general registers on 32-bit
6045         targets.
6046         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6047
6048 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
6049
6050         * Makefile.in (final.o): Fix dependencies.
6051
6052 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6053
6054         PR c/22013
6055         PR c/22098
6056         * langhooks.h (struct lang_hooks): Add expr_to_decl.
6057         * langhooks.c (lhd_expr_to_decl): New.
6058         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6059         New.
6060         (LANG_HOOKS_INITIALIZER): Update.
6061         * tree.c (recompute_tree_invarant_for_addr_expr): Call
6062         expr_to_decl langhook.
6063         * c-tree.h (c_expr_to_decl): Declare.
6064         * c-typeck.c (c_expr_to_decl): New.
6065         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6066         specially.
6067         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6068
6069 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6070
6071         PR c/22308
6072         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6073         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6074
6075 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
6076
6077         * Makefile.in: Adjust dependencies.
6078         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6079         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6080         * alias.c (rest_of_handle_cfg, pass_cfg): New.
6081         * bb-reorder.c (duplicate_computed_gotos): Make it static.
6082         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6083         rest_of_compilation.
6084
6085         * bb-reorder.c (gate_duplicate_computed_gotos,
6086         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6087         rest_of_handle_reorder_blocks, pass_reorder_blocks,
6088         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6089         pass_partition_blocks): New.
6090         * bt-load.c (gate_handle_branch_target_load_optimize,
6091         rest_of_handle_branch_target_load_optimize,
6092         pass_branch_target_load_optimize): New.
6093         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6094         pass_jump2): New.
6095         * cfglayout.c (pass_insn_locators_initialize): New.
6096         * cfgrtl.c (pass_free_cfg): New.
6097         * combine.c (gate_handle_combine, rest_of_handle_combine,
6098         pass_combine): New.
6099         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6100         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6101         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6102         * except.c (pass_set_nothrow_function_flags,
6103         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6104         pass_rtl_eh): New.
6105         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6106         rest_of_handle_shorten_branches, pass_shorten_branches,
6107         rest_of_clean_state, pass_clean_state): New.
6108         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6109         rest_of_handle_remove_death_notes, pass_remove_death_notes,
6110         rest_of_handle_life, pass_life, rest_of_handle_flow2,
6111         pass_flow2): New.
6112         * function.c (pass_instantiate_virtual_regs, pass_init_function,
6113         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6114         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6115         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6116         pass_gcse): New.
6117         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6118         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6119         pass_rtl_ifcvt, gate_handle_if_after_combine,
6120         rest_of_handle_if_after_combine, pass_if_after_combine,
6121         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6122         pass_if_after_reload): New.
6123         * integrate.c (pass_initial_value_sets): New.
6124         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6125         pass_purge_lineno_notes): New.
6126         * mode-switching.c (rest_of_handle_mode_switching,
6127         pass_mode_switching): New.
6128         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6129         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6130         pass_loop2): New.
6131         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6132         pass_loop_optimize): New.
6133         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6134         pass_sms): New.
6135         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6136         pass_gcse2): New.
6137         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6138         pass_postreload_cse): New.
6139         * profile.c (gate_handle_profiling, pass_profiling,
6140         rest_of_handle_branch_prob, pass_branch_prob): New.
6141         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6142         pass_split_before_regstack, gate_handle_split_before_regstack,
6143         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6144         rest_of_handle_split_all_insns, pass_split_all_insns): New.
6145         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6146         pass_stack_regs): New.
6147         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6148         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6149         pass_stack_adjustments): New.
6150         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6151         pass_regrename): New.
6152         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6153         pass_delay_slots, gate_handle_machine_reorg,
6154         rest_of_handle_machine_reorg, pass_machine_reorg): New.
6155         * rtl.h (extern void purge_line_number_notes): New.
6156         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6157         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6158         pass_sched2): New.
6159         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6160         pass_tracer): New.
6161         * value-prof.c (gate_handle_value_profile_transformations,
6162         rest_of_handle_value_profile_transformations,
6163         pass_value_profile_transformations): New.
6164         * var-tracking.c (gate_handle_var_tracking,
6165         pass_variable_tracking): New.
6166         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6167
6168         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6169         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6170         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6171         rest_of_handle_old_regalloc, rest_of_handle_regrename,
6172         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6173         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6174         rest_of_handle_gcse2, rest_of_handle_regmove,
6175         rest_of_handle_tracer, rest_of_handle_if_conversion,
6176         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6177         rest_of_handle_web, rest_of_handle_branch_prob,
6178         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6179         rest_of_handle_jump_bypass, rest_of_handle_combine,
6180         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6181         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6182         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6183         rest_of_handle_mode_switching, rest_of_handle_jump,
6184         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6185         rest_of_handle_flow2, rest_of_handle_jump2,
6186         rest_of_handle_peephole2, rest_of_handle_postreload,
6187         rest_of_handle_shorten_branches, rest_of_clean_state,
6188         rest_of_compilation): Remove.
6189
6190         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6191         * passes.c (dump_flags, in_gimple_form, all_passes,
6192         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6193         register_dump_files, next_pass_1, last_verified, execute_todo,
6194         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6195         from tree-optimize.c.
6196         (init_optimization_passes): Moved from tree-optimize.c,
6197         adding the RTL optimizations.
6198         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6199         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6200         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6201         register_dump_files, next_pass_1, last_verified, execute_todo,
6202         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6203         init_tree_optimization_passes, ipa_passes): Delete.
6204         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6205         the RTL dumps.
6206         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6207         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6208         from tree.h.
6209         (ipa_passes): Remove.
6210         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6211         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6212         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6213         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6214         (dump_info_p, dump_flag): Moved to tree-dump.h.
6215
6216         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6217         cgraph.c, opts.c.
6218         * passes.c (finish_optimization_passes): Use dump_begin
6219         and dump_end, TDI_end.
6220         (gate_rest_of_compilation): New.
6221         (pass_rest_of_compilation): Use it.
6222         (gate_postreload, pass_postreload): New.
6223         * toplev.c (general_init): Rename init_tree_optimization_passes.
6224         * toplev.h (init_tree_optimization_passes): Rename to
6225         init_optimizations_passes.
6226         * tree-dump.c (dump_flag): Make static.
6227         (dump_files): Remove RTL dumps.
6228         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6229         pass_cleanup_cfg, pass_free_cfg_annotations,
6230         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6231         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6232         * tree-pretty-print.c: Include tree-pass.h.
6233         * cgraph.c: Include tree-dump.h.
6234
6235 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6236
6237         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6238         Only fall back to saying it points to readonly memory if
6239         we can't do better.
6240
6241 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6242
6243         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6244         * config/m32r/m32r.c (m32r_compute_frame_size,
6245         m32r_expand_prologue): Take current_function_profile into
6246         account whenever we reference
6247         current_function_uses_pic_offset_table.
6248         (m32r_finalize_pic): Remove.
6249         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6250
6251 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6252
6253         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6254         instead of $<.  Don't remove ./as if it already exists.
6255
6256 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6257
6258         PR target/21723
6259         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6260         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6261         for complex modes when generating code for PA 1.0.
6262         (VALID_FP_MODE_P): New macro.
6263         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6264         sets for all general and floating point modes.  Align wide floating
6265         point modes to even register boundaries to comply with architectural
6266         requirements.
6267         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6268         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6269         (VALID_FP_MODE_P): New macro.
6270         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6271         sets for all general and floating point modes.  Align wide floating
6272         point modes to even register boundaries to comply with architectural
6273         requirements.
6274
6275 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6276
6277         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6278         to 0.
6279
6280 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6281
6282         * tree-ssa-structalias.c: Don't include expr.h.
6283
6284 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6285
6286         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6287         comments.
6288
6289 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6290
6291         Fix PR tree-optimization/22279
6292
6293         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6294         correct operator.
6295
6296 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6297
6298         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6299
6300 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6301
6302         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6303         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6304         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6305         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6306         config/stormy16/stormy16.c, config/v850/v850.c,
6307         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6308         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6309         Avoid "." or "\n" at end of diagnostics and capital letters at
6310         start of diagnostics.
6311         * combine.c, cse.c: Don't translate dump file output.
6312         * toplev.c (print_version): Only translate output if going to
6313         stderr.
6314
6315 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6316
6317         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6318         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6319         typos.
6320
6321 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6322
6323         * pa.c (fix_range): Fix typo in comment.
6324
6325 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6326
6327         * tree-vrp.c (extract_range_from_assert): Replace
6328         fold (build (...)) with fold_build2.
6329
6330 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6331
6332         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6333         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6334         (format_types_orig, handle_format_attribute): Add support for
6335         format "gcc_gfc".
6336
6337 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6338
6339         * varasm.c (assemble_variable): Fix format specifier thinko.
6340
6341 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6342
6343         PR tree-optimization/22029 (and 22135)
6344         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6345         a phi node before calling dump_vops.
6346
6347 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6348
6349         * tree-dump.h (dump_string_field): Declare.
6350         * tree-dump.c: Use it instead of dump_string.
6351         (dump_string_field): Make non-static.
6352
6353 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6354
6355         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6356         up the minimal CFG stuff always when optimize > 0.  Call
6357         split_all_insns_noflow in PIC case if needed.
6358
6359 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6360             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6361
6362         PR c++/18279
6363         * c-decl.c (c_write_global_declarations): Dump contents of
6364         external scope to.
6365         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6366         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6367         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6368         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6369         is enabled.
6370
6371 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6372
6373         * c-common.h (GCC_DIAG_STYLE): Define.
6374         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6375         version for format checking to 4.1.
6376         * c-format.c: Include toplev.h after c-common.h.
6377         (enum format_type): Add gcc_tdiag_format_type.
6378         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6379         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6380         (format_types_orig): Add gcc_tdiag.
6381         (init_dynamic_diag_info): Support gcc_tdiag formats.
6382         (handle_format_attribute): Likewise.
6383         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6384         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6385         version for format checking to 4.1.
6386         (warning0, warning, error, pedwarn, sorry): Use
6387         ATTRIBUTE_GCC_DIAG.
6388         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6389         (finish_aliases_1): Do not use %qE.
6390         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6391         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6392         Correct format bugs.
6393         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6394         parameter to unsigned HOST_WIDE_INT.
6395         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6396
6397 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6398
6399         PR middle-end/21742
6400         * expr.c (write_complex_part): Use adjust_address for MEM.
6401         (read_complex_part): Same.
6402
6403 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6404
6405         Fix PR tree-optimization/22280
6406
6407         * tree-sra.c (generate_element_init): Remove useless loop.
6408
6409 2005-07-02  Richard Henderson  <rth@redhat.com>
6410
6411         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6412         TLS_MODEL_NONE.
6413         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6414
6415 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6416
6417         PR middle-end/14490
6418         * fold-const.c (fold_binary): Handle the return value of
6419         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6420         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6421
6422 2005-07-02  Jeff Law  <law@redhat.com>
6423
6424         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6425         a eliminate type conversion which feeds an equality comparison
6426         if the original type or either operand in the comparison is a
6427         function pointer.
6428
6429 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6430
6431         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6432         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6433         texts.
6434         * config/avr/avr.c: Do not use '`' as left quote.
6435         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6436         Remove "." from end of diagnostics.  Make diagnostics start with
6437         lowercase letter.
6438
6439 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6440             Joseph S. Myers  <joseph@codesourcery.com>
6441
6442         * toplev.c (default_tree_printer): Handle setting location with
6443         '+' flag.
6444         * c-objc.common.c (c_tree_printer): Likewise.
6445         * c-format.c (gcc_diag_flag_specs): Add '+'.
6446         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6447         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6448         formats.
6449         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6450         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6451         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6452         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6453         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6454         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6455         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6456         format arguments where %J is used without %D.
6457
6458 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6459
6460         * gcc.c (LINK_SSP_SPEC): Define.
6461         (link_ssp_spec): New variable.
6462         (LINK_COMMAND_SPEC): Add %(link_ssp).
6463         (static_specs): Add link_ssp_spec.
6464         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6465         * configure: Rebuilt.
6466         * config.in: Rebuilt.
6467
6468         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6469         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6470         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6471         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6472         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6473         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6474         -0x7008(2) instead of reading __stack_chk_guard variable.
6475         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6476         number.
6477         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6478         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6479         if TARGET_THREAD_SSP_OFFSET is defined.
6480         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6481         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6482
6483         Revert:
6484         2005-06-27  Richard Henderson  <rth@redhat.com>
6485         * libgcc-std.ver (GCC_4.1.0): New.
6486         * libgcc.h (__stack_chk_guard): Declare.
6487         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6488         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6489         * mklibgcc.in (lib2funcs): Add them.
6490
6491 2005-07-01  Richard Henderson  <rth@redhat.com>
6492
6493         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6494         void * before struct sigcontext *.
6495         (x86_fallback_frame_state): Likewise.
6496
6497 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6498
6499         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6500
6501 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6502
6503         PR tree-opt/22269
6504         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6505         we check for SSA_NAME for.
6506
6507 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6508
6509         Fix PR tree-optimization/22071
6510
6511         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6512         function.
6513         (get_constraint_for_component_ref): Use it.
6514
6515 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6516
6517         PR other/22264
6518         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6519         print out the last new line.
6520
6521 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6522
6523         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6524         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6525         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6526         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6527         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6528         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6529         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6530         (enum reg_class): New member CC0_REGS.
6531         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6532         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6533         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6534         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6535         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6536         Adjust for register now described.
6537
6538 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6539
6540         PR target/22262
6541         * config/i386/i386.md (stack_protect_test_si,
6542         stack_protect_test_di): Add earlyclobber for scratch 3.
6543         * config/rs6000/rs6000.md (stack_protect_testsi,
6544         stack_protect_testdi): Add earlyclobber for scratch 3,
6545         remove earlyclobber from scratch 4.
6546
6547 Older entries for 2005 can be found in ChangeLog-2005.