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1 2010-05-14  Alan Modra  <amodra@gmail.com>
2
3         PR target/44075
4         * config/rs6000/rs6000.c (struct machine_function): Reorder
5         fields for better packing.  Add lr_save_state.
6         (rs6000_ra_ever_killed): Return lr_save_state if set.
7         (rs6000_emit_eh_reg_restore): Set lr_save_state.
8
9 2010-05-13  Jan Hubicka  <jh@suse.cz>
10
11         * varpool.c (decide_is_variable_needed): Drop code checking
12         TREE_SYMBOL_REFERENCED.
13
14 2010-05-13  Jan Hubicka  <jh@suse.cz>
15
16         * final.c (output_addr_const): Do not call mark_decl_referenced.
17         * cgraphunit.c (process_function_and_variable_attributes): Use
18         mark_needed_node dirrectly.
19         (assemble_thunk): Do not call mark_decl_referenced.
20
21 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
22
23         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
24
25 2010-05-13  Jeff Law  <law@redhat.com>
26
27         * ira-conflicts.c (print_allocno_conflicts): New function broken out
28         from...
29         (print_conflicts): Call print_allocno_conflicts.
30
31 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
32
33         PR debug/44104
34         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
35         if it is NULL.
36
37 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
38
39         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
40         t-mingw-w64 or t-mingw-w32 for multilib configuration.
41         * config/i386/t-mingw-w32: New.
42         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
43         
44 2010-05-13  Martin Jambor  <mjambor@suse.cz>
45
46         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
47         gimple-fold.c).
48         * gimple-fold.c (get_base_binfo_for_type): New function.
49         (gimple_get_relevant_ref_binfo): Likewise.
50         (gimple_fold_obj_type_ref_known_binfo): Likewise.
51         (gimple_fold_obj_type_ref): Likewise.
52         (fold_gimple_call): Simplify condition for folding virtual calls
53         and call gimple_fold_obj_type_ref.
54         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
55         (gimple_fold_obj_type_ref_known_binfo): Likewise.
56
57 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
58
59         * config/rs6000/rs6000-protos.h
60         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
61         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
62         (rs6000_debug_mode_dependent_address)
63         (rs6000_mode_dependent_address_ptr): Likewise.
64
65 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
66
67         PR debug/43983
68         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
69         by SRA.
70         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
71         * tree-sra.c (create_access_replacement): Call unshare_expr before
72         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
73         it.
74         * dwarf2out.c: Include tree-flow.h.
75         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
76         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
77         Handle DW_OP_bit_piece.
78         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
79         construct_piece_list, adjust_piece_list): New functions.
80         (add_var_loc_to_decl): Handle SRA optimized variables.
81         Adjust for var_loc_note to loc field renaming.
82         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
83         in VAR_LOCATION note.
84         (new_loc_descr_op_bit_piece): New function.
85         (dw_sra_loc_expr): New function.
86         (dw_loc_list): Use it.  Don't handle the last range after the
87         loop, handle it inside of the loop.  Adjust for var_loc_note
88         to loc field renaming.
89         (add_location_or_const_value_attribute): Only special case
90         single entry loc lists if loc is NOTE_P.  Adjust for
91         var_loc_note to loc field renaming.
92         (dwarf2out_var_location): Don't set newloc->var_loc_note
93         and newloc->next here.
94
95 2010-05-12  Jan Hubicka  <jh@suse.cz>
96
97         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
98         * cgraph.h (cgraph_only_called_directly_p,
99         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
100         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
101         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
102         (assemble
103         * ipa.c (cgraph_remove_unreachable_nodes): Use
104         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
105         * tree-inline.c (copy_bb): Check address_taken flag.
106         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
107         externally_visible flag.
108
109 2010-05-12  Jason Merrill  <jason@redhat.com>
110
111         PR bootstrap/44048
112         PR target/44099
113         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
114         * sdbout.c (plain_type_1): Likewise.
115         * dwarf2out.c (is_base_type): Likewise.
116         (gen_type_die_with_usage): Likewise.  Generate
117         DW_TAG_unspecified_type for any LANG_TYPE.
118
119 2010-05-12  Jan Hubicka  <jh@suse.cz>
120
121         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
122         indrect edges too.
123         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
124         (cgraph_clone_edge): Update.
125         (cgraph_node_remove_callees): Remove indirect calls too.
126         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
127         (cgraph_create_indirect_edge): Update prototype.
128         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
129         is_proper_for_analysis.
130         (add_new_function, visited_nodes, function_insertion_hook_holder,
131         get_local_reference_vars_info, mark_address_taken, mark_address,
132         mark_load, mark_store, check_asm_memory_clobber, check_call,
133         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
134         (ipa_init): Do not initialize visited_nodes;
135         function_insertion_hook_holder.
136         (analyze_variable): Rewrite.
137         (analyze_function): Rewrite.
138         (copy_local_bitmap): Remove.
139         (duplicate_node_dat): Do not duplicate local info.
140         (generate_summary): Simplify to only walk cgraph.
141         (write_node_summary_p, ipa_reference_write_summary,
142         ipa_reference_read_summary): Remove.
143         (propagate): Do not remove function insertion;
144         generate summary.
145         (pass_ipa_reference): NULLify summary handling fields.
146         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
147         (input_edge): Input ecf_flags.
148         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
149         (update_indirect_edges_after_inlining): Ignore edges with unknown
150         param.
151
152 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
153
154         * implicit-zee.c: New file.
155         * tree-pass.h (pass_implicit_zee): Declare.
156         * passes.c (init_optimization_passes): Add zee pass.
157         * common.opt (fzee): New flag.
158         * timevar.def (TV_ZEE): Define.
159         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
160         and beyond.
161         * Makefile.in (implicit-zee.o): Add new build file.
162
163 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
164             Nathan Froyd  <froydnj@codesourcery.com>
165
166         * c-common.c (sync_resolve_params): Remove write-only variable.
167
168 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
169
170         * target.h (struct gcc_target): Add mode_dependent_address_p field.
171         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
172         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
173         * targhooks.c (default_mode_dependent_address_p): New function.
174         * targhooks.h (default_mode_dependent_address_p): Declare function.
175         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
176         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
177         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
178         target hook. Change return type to bool.
179         * recog.h: (mode_dependent_address_p): Change return type to bool.
180
181 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
182             Nathan Froyd  <froydnj@codesourcery.com>
183
184         * tree-mudflap.c (build_function_type_0, build_function_type_1,
185         build_function_type_2, build_function_type_3): Remove.
186         (mudflap_init): Use build_function_type_list.
187
188 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
189             Nathan Froyd  <froydnj@codesourcery.com>
190
191         * coverage.c (build_fn_info_value): Call build_constructor instead of
192         build_constructor_from_list.
193         (build_ctr_info_value): Likewise.
194         (build_gcov_info): Likewise.
195
196 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
197
198         * tree.c (build_constructor): Compute TREE_CONSTANT for the
199         resultant constructor.
200         (build_constructor_single): Don't set TREE_CONSTANT.
201         (build_constructor_from_list): Don't compute TREE_CONSTANT.
202
203 2010-05-12  Jan Hubicka  <jh@suse.cz>
204
205         * cgraph.h (struct varpool_node): Add aux.
206         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
207         * varpool.c (varpool_remove_node): Do not remove initializer.
208         (varpool_reset_queue): Export.
209         (varpool_finalize_decl): Volatile vars are forced to be output.
210         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
211         replaced decl.
212         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
213         process_references, varpool_can_remove_if_no_refs): New functions.
214         (cgraph_remove_unreachable_nodes): Handle variables too.
215
216 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
217
218         PR target/44088
219         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
220
221 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
222
223         PR middle-end/44085
224         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
225         change value of ORT_TASK.
226         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
227         (omp_notice_threadprivate_variable): New function.
228         (omp_notice_variable): Call it for threadprivate variables.
229         If enclosing ctx is a task, print enclosing task rather than
230         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
231         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
232         if task has untied clause.
233
234         PR debug/42278
235         * dwarf2out.c (base_type_die): Don't add name attribute here.
236         (modified_type_die): Instead of sizetype use
237         its underlying original type.  If a DW_TAG_base_type doesn't
238         have name added, add __unknown__.
239         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
240         always call force_type_die instead.
241
242 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
243
244         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
245         for __stack_chk_guard.
246
247 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
248
249         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
250         don't call start_source_file debug hook here...
251         (finish_options): ... but here, after outputting predefined and
252         command line defines and undefs.
253
254         PR middle-end/44071
255         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
256         no fallthru edge.
257         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
258         optimizing away empty bb with no successors, move over its
259         footer chain to fallthru predecessor.
260         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
261         (rtl_split_edge): For asm goto call patch_jump_insn even if
262         splitting fallthru edge.
263
264         PR c++/44059
265         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
266         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
267         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
268         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
269         on DW.ref.* decls.
270
271         PR c++/44062
272         * c-parser.c (c_parser_expression): Mark LHS of a comma
273         expression as read if it is a decl, handled component or
274         COMPOUND_EXPR with that on the RHS.
275         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
276         if it is a decl or handled component.
277
278 2010-05-11  Jan Hubicka  <jh@suse.cz>
279
280         * lto-symtab.c (lto_symtab_free): New function.
281         * lto-streamer.h (lto_symtab_free): Declare.
282
283 2010-05-11  Jan Hubicka  <jh@suse.cz>
284
285         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
286         that if function is needed it is reachable.
287         (lto_output_node): See if it the function is reachable or referenced.
288         (output_cgraph): Update call of lto_output_node.
289         * lto-streamer.h (reachable_from_other_partition_p): Declare.
290
291 2010-05-11  Jan Hubicka  <jh@suse.cz>
292
293         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
294         Mark as used.
295
296 2010-05-11  Jan Hubicka  <jh@suse.cz>
297
298         PR tree-optimize/44063
299         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
300         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
301         limits.
302         (estimate_function_body_sizes): Compute sizes even when disregarding.
303
304 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
305
306         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
307
308 2010-05-11  Jan Hubicka  <jh@suse.cz>
309
310         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
311         into every boundary.
312
313 2010-05-11  Jan Hubicka  <jh@suse.cz>
314
315         * matrix-reorg.c (matrix_reorg): Rebuild edges.
316
317 2010-05-11  Jan Hubicka  <jh@suse.cz>
318
319         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
320         lto_streamer_cache_delete): Put nodes into heap.
321         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
322         heap.
323
324 2010-05-11  Jan Hubicka  <jh@suse.cz>
325
326         * cgraphbuild.c (cgraph_rebuild_references): New.
327         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
328         out extern inlines.
329         * cgraph.h (cgraph_rebuild_references): Declare.
330         * tree-inline.c (tree_function_versioning): Use it.
331         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
332
333 2010-05-11  Jan Hubicka  <jh@suse.cz>
334
335         * cgraph.c: Include ipa-utils.h
336         (cgraph_create_virtual_clone): Update references.
337         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
338
339 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
340
341         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
342         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
343         cache size.
344
345 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
346
347         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
348
349 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
350
351         * gcc.c (execute): For -### don't quote arguments that
352         contain just alphanumerics and _/-. characters.
353         * doc/invoke.texi: Document that change for -###.
354
355         PR debug/44023
356         * df-problems.c (struct dead_debug): Add to_rescan field.
357         (dead_debug_init): Clear to_rescan field.
358         (dead_debug_finish): Rescan all debug insns in to_rescan
359         bitmap and free the bitmap.
360         (dead_debug_insert_before): Instead of rescanning debug insns
361         immediately queue their rescanning until dead_debug_finish.
362         (df_note_bb_compute): After dead_debug_add do continue instead
363         of break.
364
365 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
366
367         PR debug/44028
368         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
369         clear also INSN_REG_USE_LIST.
370
371 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
372
373         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
374
375 2010-05-10  Jan Hubicka  <jh@suse.cz>
376
377         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
378
379 2010-05-10  Jan Hubicka  <jh@suse.cz>
380
381         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
382         encoders.
383         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
384         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
385         (lto_streamer_cache_create): Init alloc pool.
386         (lto_streamer_cache_delete): Free alloc pool.
387         * lto-streamer.h: Include alloc pool.
388         (lto_streamer_cache_d): Use alloc pool.
389         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
390
391 2010-05-10  Jan Hubicka  <jh@suse.cz>
392
393         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
394         * cgraphbuild.c: Include except.h
395         (record_type_list, record_eh_tables): New function.
396         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
397
398 2010-05-10  Jan Hubicka  <jh@suse.cz>
399
400         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
401         __frame_dummy_init_array_entry, force_to_data): Attribute as used
402         rather than unused.
403
404 2010-05-10  Michael Matz  <matz@suse.de>
405
406         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
407         (can_reassociate_p): Use FLOAT_TYPE_P.
408         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
409         (vect_force_simple_reduction): ... this.
410         * tree-parloops.c (gather_scalar_reductions): Use
411         vect_force_simple_reduction.
412         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
413         vect_is_simple_reduction, add modify argument, if true rewrite
414         "a-b" into "a+(-b)".
415         (vect_is_simple_reduction, vect_force_simple_reduction): New
416         functions.
417         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
418
419 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
420             Vladimir Makarov  <vmakarov@redhat.com>
421
422         PR rtl-optimization/44012
423         * ira-build.c (remove_unnecessary_allocnos): Nullify
424         regno_allocno_map of the removed allocno.
425
426 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
427
428         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
429         to /dev/null.
430         * configure: Regenerate.
431
432 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
433
434         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
435         unused.
436         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
437         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
438         support in Sun ld.
439         * configure: Regenerate.
440
441 2010-05-10  Richard Guenther  <rguenther@suse.de>
442
443         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
444         marked if the entry identifier is marked.
445
446 2010-05-10  Richard Guenther  <rguenther@suse.de>
447
448         * c-common.c (struct c_common_attributes): Add fnspec attribute.
449         (handle_fnspec_attribute): New function.
450         * gimple.h (gimple_call_return_flags): Declare.
451         (gimple_call_arg_flags): Likewise.
452         * gimple.c (gimple_call_arg_flags): New function.
453         (gimple_call_return_flags): Likewise.
454         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
455         New argument flags.
456         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
457         return value flags.
458         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
459         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
460         main work to ...
461         (make_heapvar_for): ... this new function.
462         (handle_rhs_call): Handle fnspec attribute argument specifiers.
463         (handle_lhs_call): Likewise.
464         (find_func_aliases): Adjust.
465
466 2010-05-10  Richard Guenther  <rguenther@suse.de>
467
468         PR tree-optimization/44050
469         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
470
471 2010-05-10  Wei Guozhi  <carrot@google.com>
472
473         PR target/42879
474         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
475
476 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
477
478         PR c/10676
479         * c-typeck.c (lookup_field): Take a type directly.  Update
480         recursive calls.
481         (build_component_ref): Update call to lookup_field.
482         (set_init_label): Use lookup_field to find initialized field.
483         Handle returned list of fields like a sequence of designators.
484
485 2010-05-09  Richard Guenther  <rguenther@suse.de>
486
487         PR middle-end/44024
488         * fold-const.c (tree_single_nonzero_warnv_p): Properly
489         handle &FUNCTION_DECL.
490
491 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
492
493         PR c/4784
494         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
495         structures and unions recursively.
496         (detect_field_duplicates): Move duplicate detection with a hash to
497         detect_field_duplicates_hash.  Always use a hash if anonymous
498         structures or unions are present.
499         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
500         give errors.
501
502 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
503
504         PR target/44046
505         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
506         detect Atom, Core 2 and Core i7.
507
508 2010-05-09  Richard Guenther  <rguenther@suse.de>
509
510         * gcc.c (store_arg): Handle temporary file deletion for
511         joined arguments.
512
513 2010-05-09  Richard Guenther  <rguenther@suse.de>
514
515         PR middle-end/44043
516         * ipa-inline.c (estimate_function_body_sizes): Return after
517         disregarding inline limits.
518
519 2010-05-09  Richard Guenther  <rguenther@suse.de>
520
521         * gcc.c (store_arg): Revert last change.
522
523 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
524
525         PR middle-end/28685
526         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
527         (optimize_ops_list): Call it.
528
529 2010-05-08  Richard Guenther  <rguenther@suse.de>
530
531         PR tree-optimization/44030
532         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
533         NECESSARY flag if we propagate from a inserted expression.
534
535 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
536
537         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
538         domain types as equal if they are both PLACEHOLDER_EXPRs.
539
540 2010-05-08  Richard Guenther  <rguenther@suse.de>
541
542         * lto-wrapper.c (run_gcc): Remove linker output from
543         command line for LTRANS invocation.
544
545 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
546
547         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
548         lto-macho as lto_binary_reader.
549         * target.h (struct gcc_target): New hooks lto_start and lto_end.
550         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
551         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
552         in lto_start and lto_end calls.
553         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
554         magic numbers.
555         (scan_prog_file): Update is_elf_or_coff call.
556         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
557
558         * collect2.c (main): Fix enum comparison.
559
560         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
561         Add prototypes.
562         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
563         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
564         and TARGET_ASM_LTO_END.
565         * darwin.c: Include obstack.h and lto-streamer.h.
566         (lto_section_names_offset, lto_section_names_obstack,
567         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
568         global variables.
569         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
570         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
571         to a temporary file.
572         (darwin_asm_lto_end): New function.  Restore asm_out_file.
573         (darwin_asm_named_section): For LTO sections, replace the name with
574         the offset of the section name in a string table, and build this
575         table.
576         (darwin_file_start): Initialize global vars for LTO support.
577         (darwin_file_end): If output to asm_out_file was redirected, append it
578         to the proper asm_out_file here.  Add the section names section.
579
580 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
581
582         * c-pragma.c (pending_weak_d, pending_weak): New.
583         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
584         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
585         handle_pragma_weak): Update the uses of pending_weaks.
586
587 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
588
589         PR documentation/44016
590         * doc/standards.texi (Standards): Link to unversioned
591         cxx0x_status.html page.
592
593 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
594
595         PR target/43708
596         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
597         in addition to TREE_USED, to avoid "set but unused" warnings.
598
599 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
600
601         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
602         (is_loop_prefetching_profitable): Do not insert prefetches
603         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
604         times the prefetch ahead distance.
605
606 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
607
608         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
609         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
610         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
611         the unroll_factor.
612
613 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
614
615         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
616         a diagnostic info when the insn-to-mem ratio is too small.
617
618 2010-05-07  Richard Guenther <rguenther@suse.de>
619
620         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
621         the linker plugin.
622         (store_arg): Queue temp_filename for deletion instead of
623         the whole argument.
624
625 2010-05-07  Richard Guenther  <rguenther@suse.de>
626
627         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
628         (run_gcc): Handle LTRANS phase invocation.
629         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
630
631 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
632
633         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
634         this is also meaningful on PARM_DECLs and RESULT_DECLs.
635
636 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
637
638         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
639
640 2010-05-07  Richard Guenther  <rguenther@suse.de>
641
642         PR tree-optimization/44020
643         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
644         code when PRE is not yet initialized.
645
646 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
647
648         * config/mips/dbxmdebug.h: Remove.
649         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
650
651 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
652
653         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
654         with null pointer and also warn about ordered comparison of zero with
655         pointer if -Wextra.
656
657 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
658
659         * graphite-blocking.c
660         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
661         * graphite-clast-to-gimple.c
662         (clast_to_gcc_expression): Same.
663         (precision_for_value): Same.
664         (precision_for_interval): Same.
665         (gcc_type_for_interval): Same.
666         (graphite_create_new_guard): Same.
667         (compute_bounds_for_level): Same.
668         (graphite_create_new_loop_guard): Same.
669         * graphite-interchange.c
670         (build_linearized_memory_access): Same.
671         (pdr_stride_in_loop): Same.
672         (memory_strides_in_loop_1): Same.
673         (memory_strides_in_loop): Same.
674         (extend_scattering): Same.
675         (psct_scattering_dim_for_loop_depth): Same.
676         (pbb_number_of_iterations): Same.
677         * graphite-poly.h
678         (debug_iteration_domains): Same.
679         * graphite-ppl.c
680         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
681         (ppl_set_inhomogeneous_gmp): Same.
682         (ppl_strip_loop): Same.
683         (ppl_lexico_compare_linear_expressions): Same.
684         (ppl_read_polyhedron_matrix): Same.
685         (ppl_max_for_le_pointset): Same.
686         * graphite-ppl.h
687         (ppl_read_polyhedron_matrix): Same.
688         (tree_int_to_gmp): Same.
689         (gmp_cst_to_tree): Same.
690         (ppl_set_inhomogeneous): Same.
691         (ppl_set_inhomogeneous_tree): Same.
692         (ppl_set_coef): Same.
693         (ppl_set_coef_tree): Same.
694         * graphite-sese-to-poly.c
695         (build_pbb_scattering_polyhedrons): Same.
696         (build_scop_scattering): Same.
697         (scan_tree_for_params_right_scev): Same.
698         (scan_tree_for_params): Same.
699         (find_params_in_bb): Same.
700         (find_scop_parameters): Same.
701         (add_upper_bounds_from_estimated_nit): Same.
702         (build_loop_iteration_domains): Same.
703         (add_condition_to_domain): Same.
704         (pdr_add_memory_accesses): Same.
705
706 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
707
708         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
709         CLooG's value_* macros to their respective mpz_* counterparts.
710         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
711         (graphite_create_new_loop_guard): Same.
712         * graphite-interchange.c (build_linearized_memory_access): Same.
713         (pdr_stride_in_loop): Same.
714         (memory_strides_in_loop_1): Same.
715         (1st_interchange_profitable_p): Same.
716         * graphite-poly.c (extend_scattering): Same.
717         (psct_scattering_dim_for_loop_depth): Same.
718         (pbb_number_of_iterations): Same.
719         (pbb_number_of_iterations_at_time): Same.
720         * graphite-poly.h (new_1st_loop): Same.
721         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
722         (oppose_constraint): Same.
723         (insert_constraint_into_matrix): Same.
724         (ppl_set_inhomogeneous_gmp): Same.
725         (ppl_set_coef_gmp): Same.
726         (ppl_strip_loop): Same.
727         (ppl_lexico_compare_linear_expressions): Same.
728         (ppl_max_for_le_pointset): Same.
729         (ppl_min_for_le_pointset): Same.
730         (ppl_build_realtion): Same.
731         * graphite-ppl.h (gmp_cst_to_tree): Same.
732         (ppl_set_inhomogeneous): Same.
733         (ppl_set_inhomogeneous_tree): Same.
734         (ppl_set_coef): Same.
735         (ppl_set_coef_tree): Same.
736         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
737         (build_scop_scattering): Same.
738         (add_value_to_dim): Same.
739         (scan_tree_for_params_right_scev): Same.
740         (scan_tree_for_params_int): Same.
741         (scan_tree_for_params): Same.
742         (find_params_in_bb): Same.
743         (find_scop_parameters): Same.
744         (add_upper_bounds_from_estimated_nit): Same.
745         (build_loop_iteration_domains): Same.
746         (create_linear_expr_from_tree): Same.
747         (add_condition_to_domain): Same.
748         (pdr_add_memory_accesses): Same.
749
750 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
751             Jason Merrill  <jason@redhat.com>
752
753         * c-common.c (c_common_reswords): Add nullptr.
754         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
755         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
756         (gen_type_die_with_usage): Likewise.
757         * dbxout.c (dbxout_type): Likewise.
758         * sdbout.c (plain_type_1): Likewise.
759
760 2010-05-06  Jason Merrill  <jason@redhat.com>
761
762         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
763         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
764         ret appropriately.
765         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
766
767         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
768         stripping WITH_SIZE_EXPR.
769         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
770         change.
771
772 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
773
774         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
775         list of obsolete configurations.
776         Disabled check for obsolete configurations.
777         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
778         Removed support for previous versions.
779         * config/mips/iris.h: Removed.
780         * config/mips/iris5.h: Removed.
781         * config/mips/iris6.h: Merged old iris.h contents.
782         (TARGET_IRIX): Removed.
783         (DRIVER_SELF_SPECS): Removed mabi=32.
784         (IDENT_ASM_OP): Removed undef.
785         (STARTFILE_SPEC): Removed mabi=32.
786         (ENDFILE_SPEC): Likewise.
787         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
788         (MACHINE_TYPE): Update for IRIX 6.5.
789         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
790         TARGET_IRIX by TARGET_IRIX6.
791         (mips_file_start): Likewise.
792         (mips_output_external): Remove IRIX 5/6 O32 support.
793         (mips_output_function_prologue): Likewise.
794         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
795         TARGET_IRIX6.
796         (TARGET_CPU_CPP_BUILTINS): Likewise.
797         (TARGET_IRIX): Removed.
798         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
799         (MULTILIB_DIRNAMES): Removed 32.
800         (MULTILIB_OSDIRNAMES): Removed ../lib.
801         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
802         (Specific, mips-sgi-irix5): Document removal.
803         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
804         Remove references to older IRIX 6 releases and the O32 ABI.
805
806 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
807
808         PR bootstrap/43994
809         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
810         instead of DF_REF_REAL_REG.
811
812 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
813
814         PR target/43888
815         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
816         handling to still return true for x64 targets.
817
818 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
819
820         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
821
822 2010-05-06  Jan Hubicka  <jh@suse.cz>
823
824         PR tree-optimization/43791
825         * ipa-inline.c (update_caller_keys): Remove bogus
826         disregard_inline_limits check.
827
828 2010-05-06  Michael Matz  <matz@suse.de>
829
830         PR tree-optimization/43984
831         * tree-ssa-pre.c (inserted_phi_names): Remove.
832         (inserted_exprs): Change to bitmap.
833         (create_expression_by_pieces): Set bits, don't append to vector.
834         (insert_into_preds_of_block): Don't handle inserted_phi_names.
835         (eliminate): Don't look at inserted_phi_names, remove deleted
836         insns from inserted_exprs.
837         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
838         (init_pre, fini_pre): Allocate and free bitmaps.
839         (execute_pre): Insert insns on edges before elimination.
840
841 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
842
843         * tree.c (initializer_zerop): Handle STRING_CST.
844
845 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
846
847         PR 40989
848         * doc/invoke.texi (Wimplicit): Document as C only.
849         * opts.c (common_handle_option): Add argument kind.
850         (handle_option): Rename as read_cmdline_option. Factor out code to...
851         (handle_option): ... here. New.
852         (handle_options): Rename as read_cmdline_options.
853         (decode_options): Update call.
854         (set_option): Use option index instead of option pointer. Classify
855         diagnostics correctly.
856         (enable_warning_as_error): Call handle_option.
857         * opts.h (set_option): Update declaration.
858         (handle_option): Declare.
859         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
860         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
861         * c-opts.c (set_Wimplicit): Delete.
862         (c_family_lang_mask): New static constant.
863         (c_common_handle_option): Add argument kind. Use handle_option
864         instead of set_Wimplicit.
865         (c_common_post_options): warn_implicit and warn_implicit_int
866         are disabled by default.
867         * c-common.c (warn_implicit): Do not define here.
868         * c-common.h (warn_implicit): Do not declare here.
869         (c_common_handle_option): Update declaration.
870         * lto-opts.c (lto_reissue_options): Update call to set_option.
871
872 2010-05-06  Richard Guenther  <rguenther@suse.de>
873
874         PR tree-optimization/43571
875         * domwalk.c (walk_dominator_tree): Walk the dominator
876         sons in more optimal order.
877
878 2010-05-06  Richard Guenther  <rguenther@suse.de>
879
880         PR tree-optimization/43934
881         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
882         (stmt_cost): Likewise.
883         (extract_true_false_args_from_phi): New helper.
884         (determine_max_movement): For PHI nodes verify we can hoist them
885         and compute their cost.
886         (determine_invariantness_stmt): Handle PHI nodes.
887         (move_computations_stmt): Likewise.  Hoist PHI nodes in
888         if-converted form using COND_EXPRs.
889         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
890         (tree_ssa_lim): Likewise.
891         * tree-flow.h (tree_ssa_lim): Adjust prototype.
892         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
893
894 2010-05-06  Richard Guenther  <rguenther@suse.de>
895
896         PR tree-optimization/43987
897         * tree-ssa-structalias.c (could_have_pointers): For possibly
898         address-taken variables force pointers to be recorded.
899         (create_variable_info_for_1): Likewise.
900         (push_fields_onto_fieldstack): Pass in wheter all fields
901         must have pointers.
902         (find_func_aliases): Query types instead of vars whether
903         they contain pointers where appropriate.
904
905 2010-05-06  Jan Hubicka  <jh@suse.cz>
906
907         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
908         (record_reference, mark_address, mark_load, mark_store): Record
909         references.
910         (record_references_in_initializer): Update call of record_references.
911         (rebuild_cgraph_edges): Remove all references before rebuiding.
912         * cgraph.c (cgraph_create_node): Clear ref list.
913         (cgraph_remove_node): Remove references.
914         (dump_cgraph_node): Dump references.
915         (cgraph_clone_node): Clone references.
916         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
917         (struct cgraph_node, varpool_node): Add ref_lst.
918         * ipa-ref.c: New file.
919         * ipa-ref.h: New file.
920         * ipa-ref-inline.h: New file.
921         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
922         (referenced_from_other_partition_p): New function.
923         (lto_output_varpool_node): Take set arugment; call
924         referenced_from_other_partition.
925         (lto_output_ref): New.
926         (add_references): New.
927         (output_refs): New.
928         (output_cgraph): Compute boundary based on references; output refs.
929         (output_varpool): Accept cgraph_node_set argument.
930         (input_ref): New.
931         (input_refs): New.
932         (input_cgraph): Call input_refs.
933         * lto-section-in.c (lto_section_name): Add refs.
934         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
935         (ipa-ref.o): New file.
936         * varpool.c (varpool_node): Clear ipa ref list.
937         (varpool_remove_node): Remove references.
938         (dump_varpool_node): Dump references.
939         (varpool_assemble_decl): Only compile finalized ones.
940         (varpool_extra_name_alias): Initialize ref list.
941         * lto-streamer.c (lto-get_section_name): Add .refs section.
942         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
943         (referenced_from_other_partition_p): Declared.
944
945 2010-05-06  Ira Rosen  <irar@il.ibm.com>
946
947         PR tree-optimization/43901
948         * tree-vect-stmts.c (vectorizable_call): Assert that vector
949         type is not NULL if it's transformation phase, and return
950         FALSE if it's analysis.
951         (vectorizable_conversion, vectorizable_operation,
952         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
953
954 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
955
956         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
957         Delete.
958         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
959         New define.
960         * config/mips/mips-protos.h
961         (mips_small_register_classes_for_mode_p): Delete prototype.
962
963 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
964
965         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
966         * config/arm/arm.c (multiple_operation_profitable_p,
967         compute_offset_order): New static functions.
968         (load_multiple_sequence, store_multiple_sequence): Use them.
969         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
970         memory offsets, not register numbers.
971         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
972
973 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
974
975         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
976         (get_pending_sizes, put_pending_size, put_pending_sizes):
977         Update the uses of pending_sizes.
978         * c-decl.c (store_parm_decls): Likewise.
979         * c-tree.h (struct c_arg_info): Likewise.
980         * tree.h: Update the prototype for get_pending_sizes and
981         put_pending_sizes.
982
983 2010-05-05  Jason Merrill  <jason@redhat.com>
984
985         PR debug/43370
986         * c-common.c (handle_aligned_attribute): Respect
987         ATTR_FLAG_TYPE_IN_PLACE.
988
989         PR testsuite/43758
990         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
991         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
992         (TARGET_INITIALIZER): Use it.
993         * c-common.c (attribute_takes_identifier_p): Call it.
994         * c-common.h: Update prototype.
995         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
996         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
997
998 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
999
1000         PR debug/43950
1001         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1002         DW_ID_down_case for Fortran compilation units.
1003
1004 2010-05-05  Jan Hubicka  <jh@suse.cz>
1005
1006         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1007         handle aliases.
1008
1009 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1010
1011         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1012         a variable-sized RESULT_DECL.
1013
1014 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1015
1016         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1017
1018 2010-05-05  Jason Merrill  <jason@redhat.com>
1019
1020         PR c++/43787
1021         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1022         returns GS_OK.
1023         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1024
1025 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1026             Jakub Jelinek  <jakub@redhat.com>
1027
1028         PR debug/43478
1029         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1030         (dead_debug_init, dead_debug_finish): New functions.
1031         (dead_debug_add, dead_debug_insert_before): Likewise.
1032         (df_note_bb_compute): Initialize a dead_debug object, add dead
1033         debug uses to it, insert debug bind insns before death insns,
1034         reset debug insns that refer to pending uses at the end.
1035         * rtl.h (make_debug_expr_from_rtl): New prototype.
1036         * varasm.c (make_debug_expr_from_rtl): New function.
1037
1038 2010-05-05  Jan Hubicka  <jh@suse.cz>
1039
1040         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1041         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1042         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1043         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1044         lto_varpool_encoder_encode_initializer_p,
1045         lto_set_varpool_encoder_encode_initializer): New functions.
1046         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1047         call output_varpool.
1048         (input_varpool_node): Do not always set analyzed.
1049         (input_cgraph_1): Return vector of cgraph nodes.
1050         (input_varpool_1): Return vector of varpools.
1051         (input_cgraph): Free the vectors.
1052         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1053         output only initializers needed.
1054         (lto_output): Only call output_cgraph.
1055         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1056         * lto-section-out.c (lto_new_out_decl_state): Initialize
1057         state->varpool_node_encoder.
1058         * lto-streamer.h (lto_varpool_encoder_d): New.
1059         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1060         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1061         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1062         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1063         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1064         Declare.
1065         (output_varpool, input_varpool): Remove declarations.
1066
1067 2010-05-05  Jan Hubicka  <jh@suse.cz>
1068
1069         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1070         with body can prevail.
1071
1072 2010-05-05  Jan Hubicka  <jh@suse.cz>
1073
1074         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1075         size.
1076
1077 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1078
1079         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1080
1081         * gengtype.h (erro_at_line): Constify pos argument.
1082
1083         * gengtype.c: Include hashtab.h.
1084         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1085         (error_at_line): Constify pos argument.
1086         (do_typedef): Initialize p->opt field.
1087         (get_file_gtfilename): Fix comment typo.
1088         (struct walk_type_data): Constify line field.
1089         (get_output_file_for_structure): New function.
1090         (write_local_func_for_structure): Constify orig_s argument.
1091         Use get_output_file_for_structure.
1092         (write_func_for_structure): Use get_output_file_for_structure.
1093         (INDENT): New define.
1094         (dump_pair, dump_type, dump_type_list, dump_typekind)
1095         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1096         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1097         functions.
1098         (seen_types): New variable.
1099         (main): New variable do_dump.  Process "-d" command line option.
1100         Call dump_everything if dump requested.
1101
1102 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1103
1104         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1105         in a temporary instead of invoking the macro multiple times.
1106         (track_expr_p): Likewise.
1107
1108 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1109
1110         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1111         per new semantics.
1112         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1113         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1114         conditions for printing notes.
1115         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1116         true, update documentation.
1117         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1118
1119 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1120
1121         PR c/43981
1122         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1123         on dimen.
1124
1125 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1126
1127         PR target/43799
1128         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1129         (*sse_prologue_save_insn1): Likewise.
1130         (SSE prologue save splitter): Likewise.
1131
1132 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1133
1134         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1135         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1136         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1137         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1138         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1139         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1140         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1141
1142 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1143
1144         * tree-sra.c (build_access_from_expr_1): The first parameter type
1145         changed to simple tree.
1146         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1147         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1148         renamed as well.
1149         (build_accesses_from_assign): Removed all parameters except for a
1150         simple gimple statement.  Now returns a simple bool.
1151         (scan_function): All non-analysis parts moved to separate functions
1152         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1153         parameters and updated both callers.
1154         (sra_modify_expr): Removed parameter data.
1155         (sra_modify_function_body): New function.
1156         (perform_intra_sra): Call sra_modify_function_body to modify the
1157         function body.
1158         (replace_removed_params_ssa_names): Parameter data changed into
1159         adjustments vector.
1160         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1161         changed the parameter dont_convert to convert with the opposite
1162         meaning.
1163         (sra_ipa_modify_assign): Parameter data changed into adjustments
1164         vector, return value changed to bool.
1165         (ipa_sra_modify_function_body): New function.
1166         (sra_ipa_reset_debug_stmts): Updated a comment.
1167         (modify_function): Use ipa_sra_modify_function_body to modify function
1168         body.
1169
1170 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1171
1172         PR middle-end/43671
1173         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1174         (canon_true_dependence): Likewise.
1175         (write_dependence_p): Likewise.
1176
1177 2010-05-04  Jan Hubicka  <jh@suse.cz>
1178
1179         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1180         * cgraphbuild.c: Include ipa-utils.h
1181         (record_reference_ctx): New struct.
1182         (record_reference): Simplify to work on initializers; not statements.
1183         (mark_address, mark_load, mark_store): New.
1184         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1185         walk PHI nodes too.
1186         (record_references_in_initializer): Update use of record_reference.
1187         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1188         walk PHI nodes too.
1189
1190 2010-05-04  Jan Hubicka  <jh@suse.cz>
1191
1192         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1193         node will be removed anyway.
1194         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1195         relink aliases of node into prevailing node.
1196         * varpool.c (varpool_remove_node): Remove aliases properly;
1197         when removing node, remove all its aliases too; remove DECL_INITIAL
1198         of removed node; ggc_free the varpool node.
1199
1200 2010-05-04  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/43879
1203         * tree-ssa-structalias.c (alias_get_name): Use
1204         DECL_ASSEMBLER_NAME if available.
1205         (create_function_info_for): Return the varinfo node.
1206         (ipa_pta_execute): Associate same-body aliases and extra names
1207         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1208
1209 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1210
1211         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1212
1213 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1214
1215         PR bootstrap/43964
1216         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1217         only if HONOR_REG_ALLOC_ORDER is not defined.
1218
1219 2010-05-04  Richard Guenther  <rguenther@suse.de>
1220
1221         PR tree-optimization/43949
1222         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1223         TRUNC_MOD_EXPR.
1224
1225 2010-04-26  Jason Merrill  <jason@redhat.com>
1226
1227         * c.opt (-fstrict-enums): New.
1228         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1229
1230 2010-05-03  David Ung <davidu@mips.com>
1231             James E. Wilson  <wilson@codesourcery.com>
1232
1233         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1234         emit the trap instruction before the divide for TUNE_74K.
1235
1236 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1237
1238         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1239         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1240         based on the above, for new target hook.
1241
1242         * hooks.c (hook_bool_mode_true): New generic hook.
1243         * hooks.h (hook_bool_mode_true): Add prototype.
1244
1245         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1246         target hook.
1247         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1248         target hook, set to hook_bool_mode_false.
1249         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1250         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1251         with targetm.small_register_classes_for_mode_p.
1252         (find_reusable_reload): Likewise.
1253         (combine_reloads): Likewise.
1254         * reload1.c (reload_as_needed): Likewise.
1255         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1256         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1257         dead_or_predicable): Likewise.
1258         * regmove.c (optimize_reg_copy_1): Likewise.
1259         * calls.c (prepare_call_address): Likewise.
1260         (precompute_register_parameters): Likewise.
1261
1262         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1263         hook definition.
1264         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1265         implementation of the hook that considers all register classes
1266         small except for SH64.
1267         (sh_override_options): Use the new hook.
1268         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1269         Add prototype.
1270
1271         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1272         hook definition.
1273         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1274         implementation of the hook that considers all register classes
1275         small for THUMB1.
1276         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1277         Add prototype.
1278
1279         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1280         hook definition.
1281         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1282         implementation of the hook that considers all register classes
1283         small for MIPS16.
1284         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1285         Add prototype.
1286
1287         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1288         hook definition.
1289         * config/m32c/m32c.h: Likewise.
1290         * config/pdp11/pdp11.h: Likewise.
1291         * config/avr/avr.h: Likewise.
1292         * config/xtensa/xtensa.h: Likewise.
1293         * config/m68hc11/m68hc11.h: Likewise.
1294         * config/mn10300/mn10300.h: Likewise.
1295         * config/mcore/mcore.h: Likewise.
1296         * config/h8300/h8300.h: Likewise.
1297         * config/bfin/bfin.h: Likewise.
1298
1299         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1300         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1301
1302 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1303
1304         * double-int.h (tree_to_double_int): Remove macro.
1305         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1306         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1307         (tree_to_double_int): New function.
1308         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1309         Move ...
1310         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1311
1312 2010-05-03  Richard Guenther  <rguenther@suse.de>
1313
1314         PR tree-optimization/43971
1315         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1316         constraints in the !flag_delete_null_pointer_checks case.
1317
1318 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1319
1320         PR debug/43972
1321         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1322         result mode matches original rtl mode.
1323
1324 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1325
1326         PR target/43888
1327         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1328
1329 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1330
1331         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1332         when processing flag options.
1333
1334 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1335
1336         * gcov-iov.c (main): Change format string placeholder
1337         from %#08x to 0x%08x.
1338         * genchecksum.c (dosum): Change format string placeholder
1339         from %#02x to 0x%02x.
1340
1341 2010-05-02  Richard Guenther  <rguenther@suse.de>
1342
1343         PR tree-optimization/43879
1344         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1345
1346 2010-05-02  Bruno Haible  <bruno@clisp.org>
1347
1348         * doc/extend.texi (Function Attributes): Fix a typo.
1349
1350 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         Revert:
1353         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1354         placeholder from 0x%x to %#x.
1355         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1356         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1357         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1358         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1359         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1360         * config/i386/i386.c (ix86_target_string): Ditto.
1361         * config/i386/i386.c (output_pic_addr_const): Ditto.
1362         (print_operand): Ditto.
1363
1364 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1365
1366         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1367         placeholder from 0x%x to %#x.
1368         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1369         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1370         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1371         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1372         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1373         * optc-gen.awk: Ditto.
1374         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1375         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1376         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1377         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1378
1379 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1380
1381         * target.h (struct calls): Add function_value_regno_p field.
1382         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1383         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1384         * targhooks.c (default_function_value_regno_p): New function.
1385         * targhooks.h (default_function_value_regno_p): Declare function.
1386         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1387         * builtins.c. (apply_result_size): (Ditto.).
1388         * combine.c. (likely_spilled_retval_p): (Ditto.).
1389         * mode-switching.c. Include 'target.h'.
1390         (create_pre_exit): Use function_value_regno_p hook.
1391         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1392         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1393         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1394
1395         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1396         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1397         (ix86_function_value_regno_p): Declare as static, change argument
1398         type to const unsigned int.
1399         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1400
1401 2010-05-01  Richard Guenther  <rguenther@suse.de>
1402
1403         PR tree-optimization/43949
1404         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1405         types.
1406         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1407
1408 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1409
1410         * rtl.h (CONST_DOUBLE_P): Define.
1411         (rtx_to_double_int): Declare.
1412         * emit-rtl.c (rtx_to_double_int): New function.
1413         * dwarf2out.c (insert_double): New function.
1414         (loc_descriptor, add_const_value_attribute): Clean up, use
1415         rtx_to_double_int and insert_double functions.
1416
1417 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1418
1419         * doc/extend.texi (Inline): Add missing return keyword to examples.
1420         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1421         "command-line".
1422
1423 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1424
1425         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1426         the variable part of the offset as well.  Use highest_pow2_factor for
1427         all alignment checks.
1428
1429 2010-04-30  Richard Guenther  <rguenther@suse.de>
1430
1431         PR tree-optimization/43879
1432         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1433         can have pointers.
1434
1435 2010-04-30  Jan Hubicka  <jh@suse.cz>
1436
1437         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1438         varpool.
1439         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1440
1441 2010-04-30  Jan Hubicka  <jh@suse.cz>
1442
1443         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1444         New.
1445         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1446         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1447         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1448         cgraph_node_set_needs_ltrans_p): Remove.
1449
1450 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1451
1452         * sdbout.c: Include vec.h, do not include varray.h.
1453         (deferred_global_decls, sdbout_global_decl,
1454         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1455         * toplev.c: Do not include varray.h.
1456         (dump_memory_report): Do not dump VARRAY statistics.
1457         * gengtype.c (open_base_file): Ignore varray.h.
1458         * Makefile.in: Update for abovementioned changes.
1459         Remove all traces of varray.c and varray.h.
1460         * varray.c: Remove file.
1461         * varray.h: Remove file.
1462
1463 2010-04-30  Jan Hubicka  <jh@suse.cz>
1464
1465         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1466         references.
1467
1468 2010-04-30  Jan Hubicka  <jh@suse.cz>
1469
1470         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1471         needed.
1472
1473 2010-04-30  Richard Guenther  <rguenther@suse.de>
1474
1475         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1476         constraints for CONSTRUCTOR.
1477
1478 2010-04-30  Richard Guenther  <rguenther@suse.de>
1479
1480         PR lto/43946
1481         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1482         first after all lowering passes.
1483
1484 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1485
1486         * toplev.c: Include varray.h for statistics dumping.
1487         * tree.h: Do not declare varray_head_tag.
1488         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1489         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1490         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1491         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1492         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1493         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1494         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1495         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1496         include varray.h.
1497         * Makefile.in: Update for abovementioned changes.
1498
1499 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1500
1501         PR debug/43942
1502         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1503
1504 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1505
1506         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1507         Use this function to do machine-specific conversion.
1508         (picochip_legitimize_reload_address): Likewise.
1509         (picochip_legitimate_address_p): Check valid base register only if
1510         strict.
1511         (picochip_check_conditional_copy): Check for modw only if opnd is
1512         register.
1513         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1514         to call the function in c.
1515         * config/picochip/picochip-protos.h
1516         (picochip_legitimize_reload_address): Define.
1517         * config/picochip/picochip.md (supported_compare1): Define.
1518
1519 2010-04-30  Jan Hubicka  <jh@suse.cz>
1520
1521         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1522         (cgraph_global_info): Remove inlined.
1523         (LTO_cgraph_tag_names): Remove.
1524         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1525         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1526         simplify cgraph tags and document.
1527         (lto_output_node): Use only LTO_cgraph_unavail_node and
1528         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1529         for_functions_valid, global info, process and output flags.
1530         (input_overwrite_node): Initialize estimated stack size and
1531         estimated growth.  Do not read flags we no longer store.
1532         (input_node): Likewise do not read info no longer stored.
1533         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1534         flag.
1535
1536 2010-04-30  Richard Guenther  <rguenther@suse.de>
1537
1538         PR tree-optimization/43879
1539         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1540         handle non-zero initializers.
1541
1542 2010-04-30  Richard Guenther  <rguenther@suse.de>
1543
1544         * builtins.c (fold_builtin_1): Delete free (0).
1545
1546 2010-04-29  Jan Hubicka  <jh@suse.cz>
1547
1548         * gengtype.c (open_base_files): Add lto-streamer.h
1549         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1550         (pass_ipa_cp): GGC collect.
1551         * toplev. (compile_file): Do not output symbols.
1552         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1553         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1554         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1555         * lto-section-in.c: Include ggc.h
1556         (lto_new_in_decl_state): Alloc in GGC.
1557         (lto_delete_in_decl_state): Likewise.
1558         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1559         Collect.
1560
1561 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1562
1563         PR target/42895
1564         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1565         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1566         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1567         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1568         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1569         account only if HONOR_REG_ALLOC_ORDER is not defined.
1570         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1571         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1572
1573 2010-04-29  Jon Grant  <04@jguk.org>
1574
1575         * collect2.c (vflag): Change type from int to bool.
1576         (debug): Likewise.
1577         (helpflag): New global bool.
1578         (main): Set vflag and debug with boolean, not integer truth values.
1579         Accept new "--help" option and output usage text if found.
1580         * collect2.h (vflag): Update prototype.
1581         (debug): Likewise.
1582
1583 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1584
1585         PR bootstrap/43936
1586         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1587
1588 2010-04-29  Richard Guenther  <rguenther@suse.de>
1589
1590         PR bootstrap/43935
1591         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1592         with ATTRIBUTE_UNUSED.
1593
1594 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1595
1596         PR target/43921
1597         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1598         INSN_P with NONDEBUG_INSN_P.
1599         (distance_non_agu_define): Likewise.
1600         (distance_agu_use): Likewise.
1601
1602 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1603
1604         From Dominique d'Humieres <dominiq@lps.ens.fr>
1605         PR bootstrap/43858
1606         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1607         test_set.
1608
1609 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1610
1611         * plugin.h (invoke_plugin_callbacks): New inline function.
1612         * plugin.c (flag_plugin_added): New global flag.
1613         (add_new_plugin): Initialize above flag.
1614         (invoke_plugin_callbacks): Rename to ...
1615         (invoke_plugin_callbacks_full): ... this.
1616
1617 2010-04-28  Jan Hubicka  <jh@suse.cz>
1618
1619         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1620         (lto_varpool_replace_node): New.
1621         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1622         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1623         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1624         * cgraph.h (varpool_node_ptr): New type.
1625         (varpool_node_ptr): New vector.
1626         (varpool_node_set_def): New structure.
1627         (varpool_node_set): New type.
1628         (varpool_node_set): New vector.
1629         (varpool_node_set_element_def): New structure.
1630         (varpool_node_set_element, const_varpool_node_set_element): New types.
1631         (varpool_node_set_iterator): New type.
1632         (varpool_node): Add prev pointers, add used_from_other_partition,
1633         in_other_partition.
1634         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1635         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1636         varpool_get_node, varpool_remove_node): Declare.
1637         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1638         varpool_node_set_size): New inlines.
1639         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1640         * tree-pass.h (varpool_node_set_def): Forward declare.
1641         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1642         (ipa_write_optimization_summaries): Update prototype.
1643         * ipa-cp.c (ipcp_write_summary): Update.
1644         * ipa-reference.c (ipa_reference_write_summary): Update.
1645         * lto-cgraph.c (lto_output_varpool_node): New static function.
1646         (output_varpool): New function.
1647         (input_varpool_node): New static function.
1648         (input_varpool_1): New function.
1649         (input_cgraph): Input varpool.
1650         * ipa-pure-const.c (pure_const_write_summary): Update.
1651         * lto-streamer-out.c (lto_output): Update, output varpool too.
1652         (write_global_stream): Kill WPA hack.
1653         (produce_asm_for_decls): Update.
1654         (output_alias_pair_p): Handle variables.
1655         (output_unreferenced_globals): Output only needed partition of varpool.
1656         * ipa-inline.c (inline_write_summary): Update.
1657         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1658         cgraph.
1659         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1660         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1661         varpool_node_set_new, varpool_node_set_add,
1662         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1663         debug_varpool_node_set): New functions.
1664         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1665         (execute_one_pass): Process new decls too.
1666         (ipa_write_summaries_2): Pass around vsets.
1667         (ipa_write_summaries_1): Likewise.
1668         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1669         to add.
1670         (ipa_write_optimization_summaries_1): Pass around vsets.
1671         (ipa_write_optimization_summaries): Likewise.
1672         * varpool.c (varpool_get_node): New.
1673         (varpool_node): Update doubly linked lists.
1674         (varpool_remove_node): New.
1675         (dump_varpool_node): More dumping.
1676         (varpool_enqueue_needed_node): Update doubly linked lists.
1677         (decide_is_variable_needed): Kill ltrans hack.
1678         (varpool_finalize_decl): Kill lto hack.
1679         (varpool_assemble_decl): Skip decls in other partitions.
1680         (varpool_assemble_pending_decls): Update doubly linkes lists.
1681         (varpool_empty_needed_queue): Likewise.
1682         (varpool_extra_name_alias): Likewise.
1683         * lto-streamer.c (lto_get_section_name): Add vars section.
1684         * lto-streamer.h (lto_section_type): Update.
1685         (output_varpool, input_varpool): Declare.
1686
1687 2010-04-28  Mike Stump  <mikestump@comcast.net>
1688
1689         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1690
1691 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1692
1693         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1694         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1695         (lto_input_ts_type_tree_pointers): Likewise.
1696         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1697         (lto_output_ts_type_tree_pointers): Likewise.
1698
1699 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1700
1701         Uniquization of constants at the Tree level
1702         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1703         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1704         bit to the end.
1705         (tree_output_constant_def): Declare.
1706         * gimplify.c (gimplify_init_constructor): When using block copy, first
1707         uniquize the constant constructor on the RHS.
1708         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1709         DECL_IN_CONSTANT_POOL flag.
1710         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1711         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1712         constant pool.
1713         (assemble_variable): Deal with symbols belonging to the tree constant
1714         pool.
1715         (get_constant_section): Add ALIGN parameter and simplify.
1716         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1717         (assemble_constant_contents): Use the expression of the VAR_DECL.
1718         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1719         (tree_output_constant_def): New global function.
1720         (mark_constant): Use the expression of the VAR_DECL.
1721         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1722         its expression.
1723         (output_object_block): Likewise and assemble the expression.
1724
1725 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1726
1727         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1728         hash_tree, eq_tree): New tree hash table.
1729         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1730         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1731         lto_orig_address_remove): Reimplement.
1732
1733 2010-04-28  Xinliang David Li  <davidxl@google.com>
1734
1735         PR c/42643
1736         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1737         (compute_uninit_opnds_pos): New function.
1738         (is_non_loop_exit_postdominating): New function.
1739         (compute_control_dep_chain): New function.
1740         (find_pdom): New function.
1741         (convert_control_dep_chain_into_preds): New function.
1742         (find_predicates): New function.
1743         (find_control_equiv_block): New function.
1744         (collect_phi_def_edges): New function.
1745         (find_def_preds): New function.
1746         (find_dom): New function.
1747         (dump_predicates): New function.
1748         (get_cmp_code): New function.
1749         (is_value_included_in): New function.
1750         (find_matching_predicate_in_rest_chains): New function.
1751         (use_pred_not_overlap_with_undef_path_pred): New function.
1752         (is_use_properly_guarded): New function.
1753         (normalize_cond_1): New function.
1754         (is_and_or_or): New function.
1755         (normalize_cond): New function.
1756         (is_gcond_subset_of): New function.
1757         (is_subset_of_any): New function.
1758         (is_or_set_subset_of): New function.
1759         (is_and_set_subset_of): New function.
1760         (is_norm_cond_subset_of): New function.
1761         (is_pred_expr_subset_of): New function.
1762         (is_pred_chain_subset_of): New function.
1763         (is_included_in): New function.
1764         (is_superset_of): New function.
1765         (find_uninit_use): New function.
1766         (warn_uninitialized_phi): New function.
1767         (compute_possibly_undefined_names): New function.
1768         (ssa_undefined_value_p): New function.
1769         (execute_late_warn_uninitialized): New function.
1770         * tree-ssa.c (ssa_undefined_value_p): Removed.
1771         (warn_uninit): Changed to extern.
1772         (warn_uninitialized_phi): Removed.
1773         (warn_uninitialized_vars): Changed to extern.
1774         (execute_late_warn_uninitialized): Removed
1775         * tree-flow.h: Add new prototypes.
1776         * timevar.def: Add new time variable.
1777         * Makefile.in: Add new build file.
1778
1779 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1780
1781         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1782         type if available.
1783
1784 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1785
1786         PR target/22224
1787         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1788
1789 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1790
1791         * cgraph.h (struct cgraph_node): New field indirect_calls.
1792         (struct cgraph_indirect_call_info): New type.
1793         (struct cgraph_edge): Removed field indirect_call. New fields
1794         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1795         (cgraph_create_indirect_edge): Declare.
1796         (cgraph_make_edge_direct): Likewise.
1797         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1798         * ipa-prop.h (struct ipa_param_call_note): Removed.
1799         (struct ipa_node_params): Removed field param_calls.
1800         (ipa_create_all_structures_for_iinln): Declare.
1801         * cgraph.c: Described indirect edges and uids in initial comment.
1802         (cgraph_add_edge_to_call_site_hash): New function.
1803         (cgraph_edge): Search also among the indirect edges, use
1804         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1805         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1806         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1807         site hash.
1808         (initialize_inline_failed): Assign a reason to indirect edges.
1809         (cgraph_create_edge_1): New function.
1810         (cgraph_create_edge): Moved some functionality to
1811         cgraph_create_edge_1.
1812         (cgraph_create_indirect_edge): New function.
1813         (cgraph_edge_remove_callee): Add an assert checking for
1814         non-indirectness.
1815         (cgraph_edge_remove_caller): Special-case indirect edges.
1816         (cgraph_remove_edge): Likewise.
1817         (cgraph_set_edge_callee): New function.
1818         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1819         (cgraph_make_edge_direct): New function.
1820         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1821         the declaration of the call statement matches.
1822         (cgraph_node_remove_callees): Special-case indirect edges.
1823         (cgraph_clone_edge): Likewise.
1824         (cgraph_clone_node): Clone also the indirect edges.
1825         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1826         indirect_call, dump count of indirect_calls edges.
1827         * ipa-prop.c (iinlining_processed_edges): New variable.
1828         (ipa_note_param_call): Create indirect edges instead of
1829         creating notes.  New parameter node.
1830         (ipa_analyze_call_uses): New parameter node, pass it on to
1831         ipa_note_param_call.
1832         (ipa_analyze_stmt_uses): Likewise.
1833         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1834         (print_edge_addition_message): Work on edges rather than on notes.
1835         (update_call_notes_after_inlining): Likewise, renamed to
1836         update_indirect_edges_after_inlining.
1837         (ipa_create_all_structures_for_iinln): New function.
1838         (ipa_free_node_params_substructures): Do not free notes.
1839         (ipa_edge_duplication_hook): Propagate bits within
1840         iinlining_processed_edges bitmap.
1841         (ipa_node_duplication_hook): Do not duplicate notes.
1842         (free_all_ipa_structures_after_ipa_cp): Renamed to
1843         ipa_free_all_structures_after_ipa_cp.
1844         (free_all_ipa_structures_after_iinln): Renamed to
1845         ipa_free_all_structures_after_iinln.
1846         (ipa_write_param_call_note): Removed.
1847         (ipa_read_param_call_note): Removed.
1848         (ipa_write_indirect_edge_info): New function.
1849         (ipa_read_indirect_edge_info): Likewise.
1850         (ipa_write_node_info): Do not stream notes, do stream information
1851         in indirect edges.
1852         (ipa_read_node_info): Likewise.
1853         (lto_ipa_fixup_call_notes): Removed.
1854         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1855         * ipa-inline.c (pass_ipa_inline): Likewise.
1856         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1857         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1858         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1859         is_gimple_call.
1860         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1861         edges.
1862         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1863         (output_cgraph): Stream also indirect edges.
1864         (lto_output_edge): Added capability to stream indirect edges.
1865         (input_edge): Likewise.
1866         (input_cgraph_1): Likewise.
1867         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1868         of indirect edges.
1869
1870 2010-04-28  Richard Guenther  <rguenther@suse.de>
1871
1872         PR tree-optimization/43879
1873         PR tree-optimization/43909
1874         * tree-ssa-structalias.c (struct variable_info): Add
1875         only_restrict_pointers flag.
1876         (new_var_info): Initialize it.  Increment stats.total_vars here.
1877         (create_function_info_for): Do not increment stats.total_vars here.
1878         (get_function_part_constraint): Fix build with C++.
1879         (insert_into_field_list): Remove.
1880         (push_fields_onto_fieldstack): Properly merge fields.
1881         (create_variable_info_for): Split and simplify.
1882         (create_variable_info_for_1): New piece.
1883         (intra_create_variable_infos): Properly make restrict constraints
1884         from parameters.
1885
1886 2010-04-28  Richard Guenther  <rguenther@suse.de>
1887
1888         PR c++/43880
1889         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1890
1891 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1892             Jan Hubicka <hubicka@ucw.cz>
1893
1894         * doc/invoke.texi (-Wsuggest-attribute=const,
1895         -Wsuggest-attribute=pure): Document.
1896         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1897         (function_always_visible_to_compiler_p,
1898         suggest_attribute, warn_function_pure, warn_function_const):
1899         New functions.
1900         (check_call): Improve debug info.
1901         (analyze_function): Do not check availability.
1902         (add_new_function): Check availability.
1903         (propagate): Output warnings.
1904         (skip_function_for_local_pure_const): New function.
1905         (local_pure_const): Use it; output warnings.
1906         * common.opt (Wsuggest-attribute=const,
1907         Wsuggest-attribute=pure): New.
1908
1909 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1910
1911         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1912         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1913         or DW_CFA_def_cfa_offset{,_sf}.
1914
1915 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1916
1917         * tree.h: Fix truncated long macros.
1918
1919 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1920
1921         * collect2.c (TARGET_64BIT): Redefine to target's default.
1922         * tlink.c: Likewise.
1923         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1924         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1925         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1926         for underscoring __USER_LABEL_PREFIX__.
1927         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1928         (SUB_LINK_ENTRY32): New.
1929         (SUB_LINK_ENTRY64): New.
1930         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1931         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1932         (SUB_LINK_ENTRY64): New.
1933         (SUB_LINK_ENTRY): New.
1934         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1935         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1936         x64 target is choosen.
1937         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1938         * configure: Regenerated.
1939         * configure.ac (leading-mingw64-underscores): Option added.
1940
1941 2010-04-27  Jan Hubicka  <jh@suse.cz>
1942
1943         * doc/invoke.texi (-fipa-profile): Document.
1944         * opts.c (decode_options): Enable ipa-profile at -O1.
1945         * timevar.def (TV_IPA_PROFILE): Define.
1946         * common.opt (fipa-profile): Add.
1947         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1948         flag for clones.
1949         (cgraph_propagate_frequency): Handle only local ones.
1950         * tree-pass.h (pass_ipa_profile): Declare.
1951         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1952         (pass_ipa_profile): Use TV_IPA_PROFILE.
1953         * ipa.c (ipa_profile): New function.
1954         (gate_ipa_profile): Likewise.
1955         (pass_ipa_profile): New global variable.
1956         * passes.c (pass_ipa_profile): New.
1957
1958 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1959
1960         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1961
1962 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1963
1964         PR middle-end/43812
1965         * ipa.c (dissolve_same_comdat_group_list): New function.
1966         (function_and_variable_visibility): Call
1967         dissolve_same_comdat_group_list when comdat group contains external or
1968         newly local nodes.
1969         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1970         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1971
1972 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1973
1974         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1975         (const_hash_1) <VECTOR_CST>: New case.
1976         (compare_constant) <VECTOR_CST>: Likewise.
1977         <ADDR_EXPR>: Deal with LABEL_REFs.
1978         (copy_constant) <VECTOR_CST>: New case.
1979
1980 2010-04-27  Jan Hubicka  <jh@suse.cz>
1981
1982         * cgraph.c (cgraph_propagate_frequency): New function.
1983         * cgraph.h (cgraph_propagate_frequency): Declare.
1984         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1985         cgraph_propagate_frequency.
1986
1987 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1988
1989         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1990
1991 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1992
1993         PR target/40657
1994         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1995         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1996         here to determine which regs to push and how much stack to reserve.
1997
1998 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1999
2000         * doc/gimple.texi (gimple_statement_with_ops): Remove
2001         addresses_taken field.
2002         (gimple_statement_with_memory_ops): Likewise.
2003
2004 2010-04-27  Jan Hubicka  <jh@suse.cz>
2005
2006         * tree-inline.c (eni_inlining_weights): Remove.
2007         (estimate_num_insns): Special case more builtins.
2008
2009 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2010
2011         PR c/32207
2012         * c-typeck.c (build_binary_op): Move forward check for comparison
2013         pointer with null pointer constant and adjust the diagnostic message.
2014
2015 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2016
2017         PR lto/42776
2018         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2019         binutils supports extended .section directive needed by LTO, or
2020         warn if older binutils found.
2021         (LTO_BINARY_READER): New AC_SUBST'd variable.
2022         (LTO_USE_LIBELF): Likewise.
2023         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2024         variable.
2025         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2026         (LTO_USE_LIBELF): Likewise.
2027         * configure: Regenerate.
2028
2029         * collect2.c (is_elf): Rename from this ...
2030         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2031          object files in addition to ELF-formatted ones.
2032         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2033         symbol to be prefixed or not by an extra underscore.
2034
2035         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2036         * config/i386/winnt.c: Also #include lto-streamer.h
2037         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2038         LTO named sections.
2039         (i386_pe_asm_output_aligned_decl_common): Add comment.
2040         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2041
2042 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2043
2044         PR target/43889
2045         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2046         Add missing earlyclobber for second alternative.
2047
2048 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2049
2050         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2051         bits for artificial defs at the top of the block.
2052         * fwprop.c (single_def_use_enter_block): Don't call it.
2053
2054 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2055
2056         PR 43715
2057         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2058         instead of "$gcc_cv_objdump -T".
2059         Use "-undefined dynamic_lookup" on darwin.
2060         * gcc/configure: Regenerate.
2061
2062 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2063
2064         PR c/43893
2065         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2066
2067 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2068
2069         * c-parser.c (struct c_token): Move location field up.
2070         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2071         (struct c_declspecs): Convert typespec_word, storage_class, and
2072         default_int_p into bitfields.
2073         (struct c_declarator): Move loc field up.
2074
2075 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2076
2077         * cfgloop.h (struct loop): Move can_be_parallel field up.
2078         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2079         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2080         down.
2081         (struct iv_cand): Convert pos field into a bitfield.
2082         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2083         field up.
2084         (struct _stmt_vec_info): Shuffle fields for better packing.
2085
2086 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2087
2088         * varasm.c (IN_NAMED_SECTION): Remove guard.
2089         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2090         (IN_NAMED_SECTION_P): ...this.
2091         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2092         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2093
2094 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2095
2096         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2097         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2098         of shadowing it.  Fix comments.
2099
2100 2010-04-26  Jan Hubicka  <jh@suse.cz>
2101
2102         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2103         (cgraph_clone_node): Copy function frequency.
2104         * cgraph.h (node_frequency): New enum
2105         (struct cgraph_node): Add.
2106         * final.c (rest_of_clean_state): Update.
2107         * lto-cgraph.c (lto_output_node): Output node frequency.
2108         (input_overwrite_node): Input node frequency.
2109         * tre-ssa-loop-ivopts (computation_cost): Update.
2110         * lto-streamer-out.c (output_function): Do not output function
2111         frequency.
2112         * predict.c (maybe_hot_frequency_p): Update and handle functions
2113         executed once.
2114         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2115         attribute lookup.
2116         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2117         (compute_function_frequency): Set noreturn functions to be executed
2118         once.
2119         (choose_function_section): Update.
2120         * lto-streamer-in.c (input_function): Do not input function frequency.
2121         * function.c (allocate_struct_function): Do not initialize function
2122         frequency.
2123         * function.h (function_frequency): Remove.
2124         (struct function): Remove function frequency.
2125         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2126         (try_update): Update.
2127         * tree-inline.c (initialize_cfun): Do not update function frequency.
2128         * passes.c (pass_init_dump_file): Update.
2129         * i386.c (ix86_compute_frame_layout): Update.
2130         (ix86_pad_returns): Update.
2131
2132 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2133
2134         PR tree-optimization/43833
2135         * tree-vrp.c (range_int_cst_p): New.
2136         (range_int_cst_singleton_p): New.
2137         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2138         when both operands are constants.  Use range_int_cst_p in
2139         BIT_IOR_EXPR case.
2140
2141 2010-04-26  Jan Hubicka  <jh@suse.cz>
2142
2143         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2144
2145 2010-04-26  Richard Guenther  <rguenther@suse.de>
2146
2147         PR lto/43080
2148         * gimple.c (gimple_decl_printable_name): Deal gracefully
2149         with a NULL DECL_NAME.
2150
2151 2010-04-26  Richard Guenther  <rguenther@suse.de>
2152
2153         PR lto/42425
2154         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2155         if emitting debug information and it is either a function
2156         or a namespace decl.
2157
2158 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2159
2160         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2161         determine if the statement is vectorizable, and a macro to access it.
2162         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2163         Skip statements that can't be vectorized. If the analysis fails,
2164         mark the statement as unvectorizable if vectorizing basic block.
2165         (vect_compute_data_refs_alignment): Likewise.
2166         (vect_verify_datarefs_alignment): Skip statements marked as
2167         unvectorizable. Add print.
2168         (vect_analyze_group_access): Skip statements that can't be
2169         vectorized. If the analysis fails, mark the statement as
2170         unvectorizable if vectorizing basic block.
2171         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2172         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2173         generated stmts for SLP.
2174         (new_stmt_vec_info): Initialize the new field.
2175         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2176         statements marked as unvectorizable.
2177
2178 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2179
2180         * c-common.c (flag_isoc1x): New.
2181         (flag_isoc99): Update comment.
2182         * c-common.h (flag_isoc1x): New.
2183         (flag_isoc99): Update comment.
2184         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2185         __<type>_DECIMAL_DIG__.
2186         * c-opts.c (set_std_c1x): New.
2187         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2188         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2189         * c.opt (-std=c1x, -std=gnu1x): New options.
2190         * doc/cpp.texi: Mention -std=c1x.
2191         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2192         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2193         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2194         * doc/standards.texi: Mention C1X.
2195         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2196         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2197         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2198         Define for C1X.
2199
2200 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2201
2202         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2203         placeholder from 0x%x to %#x.
2204         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2205         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2206         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2207         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2208         * config/i386/i386.c (ix86_target_string): Ditto.
2209         (output_pic_addr_const): Ditto.
2210         (print_operand): Ditto.
2211
2212 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2213
2214         * combine.c (find_split_point): Add third argument.  Use it
2215         to find nested multiply-accumulate instructions.  Adjust calls.
2216         (try_combine): Adjust call to find_split_point.
2217
2218 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2219
2220         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2221
2222 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2223
2224         PR tree-optimization/41442
2225         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2226         (fold_binary_loc): Call it.
2227
2228 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2229
2230         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2231         * opts.c (common_handle_option): Allow disabling it.
2232         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2233
2234 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2235
2236         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2237         between modes if both types are integral.
2238
2239 2010-04-23  Richard Guenther  <rguenther@suse.de>
2240
2241         PR tree-optimization/43572
2242         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2243
2244 2010-04-23  Richard Guenther  <rguenther@suse.de>
2245
2246         PR lto/43455
2247         * tree-inline.c (tree_can_inline_p): Also check compatibility
2248         of return types.
2249
2250 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2251
2252         PR tree-optimization/43846
2253         * tree-sra.c (struct access): New flag grp_assignment_read.
2254         (build_accesses_from_assign): Set grp_assignment_read.
2255         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2256         (enum mark_read_status): New type.
2257         (analyze_access_subtree): Propagate grp_assignment_read, create
2258         accesses also if both direct_read and root->grp_assignment_read.
2259
2260 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2261
2262         PR middle-end/43835
2263         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2264         function does not have type attributes.
2265
2266 2010-04-23  Richard Guenther  <rguenther@suse.de>
2267
2268         PR lto/42653
2269         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2270         of FUNCTION_DECLs.
2271
2272 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2273
2274         * sese.h (create_if_region_on_edge): Remove.
2275
2276         * sese.c (create_if_region_on_edge): Make static.
2277
2278         * tree-inline.c: Do not include ggc.h.
2279
2280         * expr.c: Do not include ggc.h.
2281
2282         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2283         dependencies.
2284
2285 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2286
2287         PR target/43744
2288         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2289         in the middle of insns for casesi_worker_2.
2290
2291 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2292
2293         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2294
2295 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2296
2297         PR tree-optimization/43842
2298         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2299         loop unrolling in update of exit phis. Fix comment.
2300         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2301         least two reduction statements in the loop before starting SLP
2302         analysis.
2303
2304 2010-04-22  Nick Clifton  <nickc@redhat.com>
2305
2306         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2307
2308 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2309
2310         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2311         to simplify a + ~a.
2312
2313 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2314
2315         * tree-parloops.c (loop_parallel_p): New argument
2316         parloop_obstack.  Pass it down.
2317         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2318         pass it down, free it.
2319
2320         * tree-loop-linear.c (linear_transform_loops): Pass down
2321         lambda_obstack.
2322
2323         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2324         of type struct obstack *.
2325
2326         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2327         scratch_obstack.  Initialize it, pass down, free it.
2328
2329         * lambda.h (lambda_loop_new): Remove.
2330         (lambda_matrix_new, lambda_matrix_inverse)
2331         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2332         argument of type struct obstack *.
2333
2334         * lambda-trans.c (lambda_trans_matrix_new): New argument
2335         lambda_obstack.  Pass it down, use obstack allocation for ret.
2336         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2337         it down.
2338
2339         * lambda-mat.c (lambda_matrix_get_column)
2340         (lambda_matrix_project_to_null): Remove.
2341         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2342         allocation for mat.
2343         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2344         lambda_obstack.
2345
2346         * lambda-code.c (lambda_loop_new): New function.
2347         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2348         (lambda_compute_auxillary_space, lambda_compute_target_space)
2349         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2350         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2351         (build_access_matrix): New argument lambda_obstack.  Use obstack
2352         allocation for am.
2353         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2354         argument lambda_obstack.  Pass it down.
2355
2356 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2357
2358         * optabs.h (expand_widening_mult): Declare.
2359
2360 2010-04-22  Richard Guenther  <rguenther@suse.de>
2361
2362         PR tree-optimization/43845
2363         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2364         lookup the CALL_EXPR function and arguments.
2365
2366 2010-04-22  Nick Clifton  <nickc@redhat.com>
2367
2368         * config/stormy16/stormy16.c
2369         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2370         * config/stormy16/stormy16.h: Tidy up formatting.
2371         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2372         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2373         (ineqbranchsi): Delete pattern.
2374         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2375         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2376         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2377         stormy16-lib2-ucmpsi2.c.
2378
2379 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2380
2381         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2382         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2383         extra set merge_set_noclobber, and use it to relax the final test
2384         slightly.
2385         * df.h (df_simulate_find_noclobber_defs): Declare.
2386         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2387         conditional defs.
2388         (df_simulate_find_noclobber_defs): New function.
2389
2390 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2391
2392         * config/i386/i386.md: Use {} around multi-line preparation statements.
2393
2394 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2395
2396         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2397         (process_init_element): New argument of type struct obstack *.
2398
2399         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2400         (set_init_index, set_init_label, set_nonincremental_init)
2401         (set_nonincremental_init_from_string, find_init_member)
2402         (output_init_element, output_pending_init_elements)
2403         (process_init_element): New argument braced_init_obstack.  Pass it
2404         down.
2405         (push_range_stack, add_pending_init): New argument
2406         braced_init_obstack.  Use obstack allocation.
2407
2408         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2409         braced_init_obstack.  Pass it down.
2410         (c_parser_braced_init): New variables ret, braced_init_obstack.
2411         Initialize obstack, pass it down and finally free it.
2412
2413 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2414
2415         PR middle-end/29274
2416         * tree-pass.h (pass_optimize_widening_mul): Declare.
2417         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2418         gate_optimize_widening_mul): New static functions.
2419         (pass_optimize_widening_mul): New.
2420         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2421         <case MULT_EXPR>: Remove support for widening multiplies.
2422         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2423         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2424         simplify_gen_unary rather than directly building extensions.
2425         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2426         WIDEN_MULT_EXPR.
2427         * expmed.c (expand_widening_mult): New function.
2428         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2429
2430 2010-04-21  Jan Hubicka  <jh@suse.cz>
2431
2432         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2433         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2434         * lto-wpa-fixup.c: Remove.
2435         * Makefile.in (lto-wpa-fixup.o): Remove.
2436         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2437         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2438         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2439
2440 2010-04-21  Jan Hubicka  <jh@suse.cz>
2441
2442         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2443         add write_optimization_summary, read_optimization_summary.
2444         (ipa_write_summaries_of_cgraph_node_set): Remove.
2445         (ipa_write_optimization_summaries): Declare.
2446         (ipa_read_optimization_summaries): Declare.
2447         * ipa-cp.c (pass_ipa_cp): Update.
2448         * ipa-reference.c (pass_ipa_reference): Update.
2449         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2450         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2451         Update.
2452         * ipa-inline.c (pass_ipa_inline): Update.
2453         * ipa.c (pass_ipa_whole_program): Update.
2454         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2455         * passes.c (ipa_write_summaries_1): Do not test wpa.
2456         (ipa_write_optimization_summaries_1): New.
2457         (ipa_write_optimization_summaries): New.
2458         (ipa_read_summaries): Do not test ltrans.
2459         (ipa_read_optimization_summaries_1): New.
2460         (ipa_read_optimization_summaries): New.
2461
2462 2010-04-21  Jan Hubicka  <jh@suse.cz>
2463
2464         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2465         for boundary nodes.
2466         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2467
2468 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2469
2470         PR debug/40040
2471         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2472         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2473
2474 2010-04-21  Jan Hubicka  <jh@suse.cz>
2475
2476         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2477
2478 2010-04-21  Jan Hubicka  <jh@suse.cz>
2479
2480         * varpool.c (decide_is_variable_needed): Variable is always needed
2481         during ltrans.
2482
2483 2010-04-21  Jan Hubicka  <jh@suse.cz>
2484
2485         * opts.c (decode_options): Enable pure-const pass for whopr.
2486
2487 2010-04-21  Jan Hubicka  <jh@suse.cz>
2488
2489         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2490         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2491         at WPA dumping.
2492         (cgraph_decide_inlining): Do not expect callee to be removed in all
2493         cases.
2494
2495 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2496
2497         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2498
2499 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2500
2501         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2502         amdfam10_decode attributes.
2503
2504 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR middle-end/43570
2507         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2508         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2509         (lower_copyprivate_clauses): Use private var in outer
2510         context instead of original var.  Make sure the types
2511         are correct for VLAs.
2512
2513 2010-04-21  Richard Guenther  <rguenther@suse.de>
2514
2515         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2516         to non-pointer objects.
2517
2518 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2519
2520         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2521         last chain entry if it starts with the still current label.
2522         (add_location_or_const_value_attribute): Check that
2523         loc_list->first->next is NULL instead of comparing ->first with ->last.
2524         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2525         to add_var_loc_to_decl.
2526
2527         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2528         >= 4 add also address size and segment size fields into CIE header.
2529
2530         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2531         long as address size is the same as sizeof (void *) and
2532         segment size is 0.
2533         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2534         address size or segment size is unexpected, return DW_EH_PE_omit.
2535         (classify_object_over_fdes): If get_cie_encoding returned
2536         DW_EH_PE_omit, return -1.
2537         (init_object): If classify_object_over_fdes returned -1,
2538         pretend there were no FDEs at all.
2539
2540 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2541
2542         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2543         bswap{si,di}2 using SWI48 mode iterator.
2544         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2545         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2546         set modrm attribute of bswap insn to 0 and remove length attribute.
2547         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2548         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2549         set mode attribute to <MODE> and remove length attribute.
2550
2551 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2552
2553         PR rtl-optimization/43520
2554         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2555         zero available registers.
2556
2557 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2558
2559         * builtins.c (fold_builtin_cproj): Fold more cases.
2560
2561 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2562
2563         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2564         (fold_builtin_1): Fold builtin cproj.
2565         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2566         Use ATTR_CONST_NOTHROW_LIST.
2567
2568 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2569
2570         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2571         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2572         ffsi2_no_cmove for !TARGET_CMOVE.
2573         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2574         (ffssi2): Remove expander.
2575         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2576         mode iterator.
2577         (ctz<mode>2): Ditto from ctz{si,di}2.
2578         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2579         mode iterator.
2580         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2581         mode iterator.
2582
2583 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2584
2585         * dwarf2out.c (AT_linkage_name): Define.
2586         (clone_as_declaration): Handle DW_AT_linkage_name.
2587         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2588         of DW_AT_MIPS_linkage_name.
2589         (move_linkage_attr): Likewise.
2590         (dwarf2out_finish): Likewise.
2591
2592 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2593
2594         PR middle-end/41952
2595         * fold-const.c (fold_comparison): New folding rule.
2596
2597 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2598
2599         * double-int.h (double_int_setbit): Declare.
2600         * double-int.c (double_int_setbit): New function.
2601         * rtl.h (immed_double_int_const): Declare.
2602         * emit-rtl.c (immed_double_int_const): New function.
2603         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2604         and immed_double_int_const functions.
2605         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2606         expand_copysign_bit):  (Ditto.).
2607         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2608         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2609         * dojump.c (prefer_and_bit_test): (Ditto.).
2610         * expr.c (convert_modes, reduce_to_bit_field_precision,
2611         const_vector_from_tree): (Ditto.).
2612         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2613
2614 2010-04-20  Jan Hubicka  <jh@suse.cz>
2615
2616         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2617         (dump_cgraph_node): Dump new flags.
2618         * cgraph.h (struct cgraph_node): Add flags
2619         reachable_from_other_partition and in_other_partition.
2620         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2621         other partition can not be removed.
2622         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2623         the other partition must be output; silence sanity checking on
2624         leaking functions bodies from other paritition.
2625         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2626         (lto_output_node): Output new flags; do not sanity check that inline
2627         clones are output; drop lto_forced_extern_inline_p code; do not mock
2628         visibility flags at partition boundaries.
2629         (add_node_to): New function.
2630         (output_cgraph): Use it to sort functions so masters appear before
2631         clones.
2632         (input_overwrite_node): Input new flags.
2633         * passes.c (ipa_write_summaries): Do not call
2634         lto_new_extern_inline_states.
2635         * lto-section-out.c (forced_extern_inline,
2636         lto_new_extern_inline_states lto_delete_extern_inline_states,
2637         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2638         * lto-streamer.h (lto_new_extern_inline_states,
2639         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2640         lto_forced_extern_inline_p): Kill.
2641
2642 2010-04-20  Richard Guenther  <rguenther@suse.de>
2643
2644         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2645         from vars that can have pointers.
2646         (process_constraint): Dump useless constraints.
2647
2648 2010-04-20  Richard Guenther  <rguenther@suse.de>
2649
2650         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2651         (dump_sa_points_to_info): Remove asserts.
2652         (init_base_vars): nothing_id isn't an escape point nor does it
2653         have pointers.
2654
2655 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2656
2657         * tree.h (TYPE_REF_IS_RVALUE): Define.
2658         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2659         should_move_die_to_comdat, prune_unused_types_walk): Handle
2660         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2661         (modified_type_die, gen_reference_type_die): Emit
2662         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2663         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2664
2665 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2666
2667         PR target/43635
2668         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2669         calls for -fpic -m31 if they have been sibcall optimized.
2670
2671 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2672
2673         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2674         ar.lc fixed and call-used.
2675
2676         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2677
2678 2010-04-19  Jan Hubicka  <jh@suse.cz>
2679
2680         * opts.c (decode_options): Disable whpr incompatible passes.
2681         * lto/lto.c (lto_1_to_1_map): Skip clones.
2682         (read_cgraph_and_symbols): Do not mark everything as needed.
2683         (do_whole_program_analysis): Do map only after optimizing;
2684         set proper cgraph_state; use passmanager.
2685
2686 2010-04-19  DJ Delorie  <dj@redhat.com>
2687
2688         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2689         POINTER_PLUS_EXPR and fix them.
2690
2691 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2692
2693         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2694         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2695         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2696         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2697         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2698         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2699         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2700         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2701         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2702         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2703         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2704
2705 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2706
2707         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2708         (check_cond_move_block): Likewise.
2709         (cond_move_process_if_block): Likewise.
2710         (noce_find_if_block): Improve formatting.
2711         (find_if_header): Pass 0 to memset and tweak conditions.
2712         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2713
2714 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2715
2716         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2717         for -gdwarf-4.
2718
2719         PR middle-end/43337
2720         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2721         with non-local decl doesn't need chain.
2722
2723 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2724
2725         * ira-color.c (allocno_reload_assign): Avoid accumulating
2726         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2727
2728 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2729
2730         * gimple.h (create_tmp_reg): Declare.
2731         * gimplify.c (create_tmp_reg): New function.
2732         (gimplify_return_expr): Use create_tmp_reg.
2733         (gimplify_omp_atomic): Likewise.
2734         (gimple_regimplify_operands): Likewise.
2735         * tree-dfa.c (make_rename_temp): Likewise.
2736         * tree-predcom.c (predcom_tmp_var): Likewise.
2737         (reassociate_to_the_same_stmt): Likewise.
2738         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2739         (get_replaced_param_substitute): Likewise.
2740         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2741         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2742         * tree-ssa-pre.c (get_representative_for): Likewise.
2743         (create_expression_by_pieces): Likewise.
2744         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2745         (create_tailcall_accumulator): Likewise.
2746
2747 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2748
2749         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2750         new_stmt.
2751         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2752
2753 2010-04-19  Richard Guenther  <rguenther@suse.de>
2754
2755         PR tree-optimization/43796
2756         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2757         from SCEV in the lattice.
2758         (vrp_visit_phi_node): Dump change.
2759
2760 2010-04-19  Richard Guenther  <rguenther@suse.de>
2761
2762         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2763         * configure: Re-generated.
2764
2765 2010-04-19  Richard Guenther  <rguenther@suse.de>
2766
2767         PR tree-optimization/43783
2768         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2769         constant ARRAY_REF operands two and three if possible.
2770
2771 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2772
2773         PR target/43766
2774         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2775
2776 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2777
2778         PR target/43662
2779         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2780
2781 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2782
2783         PR tree-optimization/37027
2784         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2785         and macro to access it.
2786         (vectorizable_reduction): Add argument.
2787         (vect_get_slp_defs): Likewise.
2788         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2789         statements for possible use in SLP.
2790         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2791         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2792         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2793         add new argument.
2794         (vectorizable_reduction): Likewise.
2795         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2796         vect_get_slp_defs.
2797         (vectorizable_type_demotion, vectorizable_type_promotion,
2798         vectorizable_store): Likewise.
2799         (vect_analyze_stmt): Update call to vectorizable_reduction.
2800         (vect_transform_stmt): Likewise.
2801         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2802         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2803         from different interleaving chains in same node.
2804         (vect_slp_rearrange_stmts): New function.
2805         (vect_supported_load_permutation_p): Allow load permutations for
2806         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2807         inside SLP nodes if necessary.
2808         (vect_analyze_slp_instance): Handle reductions.
2809         (vect_analyze_slp): Try to build SLP instances originating from groups
2810         of reductions.
2811         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2812         (vect_get_constant_vectors): Create initial vectors for reductions
2813         according to reduction code. Add new argument.
2814         (vect_get_slp_defs): Add new argument, pass it to
2815         vect_get_constant_vectors.
2816         (vect_schedule_slp_instance): Remove SLP tree root statements.
2817
2818 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2819
2820         * tree.h (ENUM_IS_SCOPED): Define.
2821         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2822         for ENUM_IS_SCOPED enums.
2823
2824 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         * fold-const.c (fold_comparison): Use ssizetype.
2827         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2828         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2829         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2830         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2831
2832         * tree.h (initialize_sizetypes): Remove parameter.
2833         (build_common_tree_nodes): Remove second parameter.
2834         * stor-layout.c (initialize_sizetypes): Remove parameter.
2835         Always create an unsigned type.
2836         (set_sizetype): Assert that the passed type is unsigned and simplify.
2837         * tree.c (build_common_tree_nodes): Remove second parameter.
2838         Adjust call to initialize_sizetypes.
2839         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2840         build_common_tree_nodes.
2841
2842 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2843
2844         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2845
2846 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2847
2848         PR tree-optimization/43771
2849         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2850         load permutation doesn't have gaps.
2851
2852 2010-04-18  Jan Hubicka  <jh@suse.cz>
2853
2854         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2855         (sse_prologue_save_insn expander): Use new pattern.
2856         (sse_prologue_save_insn1): New pattern and splitter.
2857         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2858         blocks.
2859         * i386.c (setup_incoming_varargs_64): Do not compute jump
2860         destination here.
2861         (ix86_gimplify_va_arg): Update alignment needed.
2862         (ix86_local_alignment): Do not align all local arrays to 128bit.
2863
2864 2010-04-17  Jan Hubicka  <jh@suse.cz>
2865
2866         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2867
2868 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2869
2870         * arm.md (negdi2): Remove redundant code to force values into a
2871         register.
2872
2873 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2874
2875         * arm/bpabi.S: Add EABI alignment attributes to objects.
2876         * arm/bpabi-v6m.S: Likewise.
2877         * arm/crti.asm: Likewise.
2878         * arm/crtn.asm: Likewise.
2879         * arm/lib1funcs.asm: Likewise.
2880         * arm/libunwind.S: Likewise.
2881
2882 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2883
2884         * arm-protos.h (tune_params): New structure.
2885         * arm.c (current_tune): New variable.
2886         (arm_constant_limit): Delete.
2887         (struct processors): Add pointer to the tune parameters.
2888         (arm_slowmul_tune): New tuning option.
2889         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2890         (all_cores): Adjust to pick up the tuning model.
2891         (arm_constant_limit): New function.
2892         (arm_override_options): Select the appropriate tuning model.  Delete
2893         initialization of arm_const_limit.
2894         (arm_split_constant): Use the new constant-limit model.
2895         (arm_rtx_costs): Pick up the current tuning model.
2896         * arm.md (is_strongarm, is_xscale): Delete.
2897         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2898         for Xscale variant architectures.
2899         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2900
2901 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2902
2903         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2904         can_shift.
2905         (arm_rtx_costs_1): Remove unused variable extra_cost.
2906         (arm_unwind_emit_set): Use variable offset.
2907         (thumb1_output_casesi): Remove unused variable flags.
2908
2909 2010-04-16  Jeff Law  <law@redhat.com>
2910
2911         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2912         needing assignment rather than doing a two-phase assignment.  Remove
2913         unused variable 'm'.
2914
2915 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR bootstrap/43767
2918         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2919
2920 2010-04-16  Doug Kwan  <dougkwan@google.com>
2921
2922         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2923         (next_operand_entry_id): New static variable.
2924         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2925         (add_to_ops_vec): Assigned unique ID to operand entry.
2926         (struct oecount_s): New field ID.
2927         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2928         (undistribute_ops_list): Assign unique IDs to oecounts.
2929         (init_reassoc): reset next_operand_entry_id.
2930
2931 2010-04-16  Doug Kwan  <dougkwan@google.com>
2932
2933         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2934         missing left parenthesis.
2935
2936 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2937
2938         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2939         *btdi_rex64 using SWI48 mode iterator.
2940         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2941         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2942         *jcc_btdi_mask_rex64.
2943
2944 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2945
2946         * double-int.h (tree_to_double_int): Convert to macro.
2947         * double-int.c (tree_to_double_int): Remove.
2948
2949 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2950
2951         PR debug/43762
2952         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2953         with want_address 2 and in case a single element list might be
2954         possible, call it again with want_address 0.
2955
2956 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2957
2958         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2959         case 'W' print operands for HI mode.
2960         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2961         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2962         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2963         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2964
2965         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2966
2967         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2968         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2969         #xx:3 and #xx:4 mode.
2970
2971         * config/h8300/h8300.md (inverted load with HImode dest): Add
2972         support for H8300SX.
2973
2974         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2975         satisfy 'U' constraint.
2976
2977 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2978
2979         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2980         * configure: Regenerate.
2981         * config.in: Regenerate.
2982         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2983         works.
2984
2985 2010-04-16  Richard Guenther  <rguenther@suse.de>
2986
2987         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2988         (struct tree_decl_common): ... here.
2989         (DECL_PT_UID): Adjust.
2990         (SET_DECL_PT_UID): Likewise.
2991         (DECL_PT_UID_SET_P): Likewise.
2992
2993 2010-04-16  Richard Guenther  <rguenther@suse.de>
2994
2995         PR tree-optimization/43572
2996         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2997         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2998         * tree-flow.h (is_call_clobbered): Remove.
2999         * tree-flow-inline.h (is_call_clobbered): Likewise.
3000         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3001         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3002         (execute_return_slot_opt): Adjust.
3003         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3004         check for call clobbered vars here.
3005         (find_tail_calls): Move tailcall verification to the
3006         proper place.
3007
3008 2010-04-16  Diego Novillo  <dnovillo@google.com>
3009
3010         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3011
3012 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3013
3014         PR target/40603
3015         * config/arm/arm.md (cbranchqi4): New pattern.
3016         * config/arm/predicates.md (const0_operand,
3017         cbranchqi4_comparison_operator): New predicates.
3018
3019 2010-04-16  Richard Guenther  <rguenther@suse.de>
3020
3021         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3022         (dump_gimple_stmt): Likewise.
3023
3024 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3025
3026         * recog.h (struct recog_data): New field is_operator.
3027         (struct insn_operand_data): New field is_operator.
3028         * recog.c (extract_insn): Set recog_data.is_operator.
3029         * genoutput.c (output_operand_data): Emit code to set the
3030         is_operator field.
3031         * reload.c (find_reloads): Use it rather than testing for an
3032         empty constraint string.
3033
3034         PR target/41514
3035         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3036         If the previous insn is a cbranchsi4_insn with the same arguments,
3037         omit the compare instruction.
3038
3039         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3040         register, inputs must be low registers and we need a low register
3041         scratch.  Handle alternative 2 like alternative 3.
3042
3043 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3044
3045         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3046         don't call get_addr on both.  If one expression is a VALUE and
3047         the other a REG, check VALUE's locs if the REG isn't among them.
3048
3049 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3050
3051         * config/sh/sh.h (sh_frame_pointer_required): New function.
3052         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3053         (flag_omit_frame_pointer) Set.
3054         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3055         (rounded_frame_size): Adjust size with outgoing_args_size.
3056         (sh_set_return_address): Must return from stack pointer.
3057         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3058         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3059         (ACCUMULATE_OUTGOING_ARGS): Define.
3060         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3061         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3062
3063 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3064
3065         PR target/43471
3066         * config/sh/sh.c (sh_legitimize_reload_address): Use
3067         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3068         Remove a unneeded check for offset_base.
3069
3070 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3071
3072         * configure: Regenerated.
3073
3074 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3075
3076         * config/s390/s390.c (s390_call_save_register_used): Switch back
3077         to HARD_REGNO_NREGS.
3078
3079 2010-04-15  Richard Guenther  <rguenther@suse.de>
3080
3081         * alias.c (alias_set_subset_of): Handle alias-set zero
3082         child properly.
3083
3084 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3085             Julian Brown  <julian@codesourcery.com>
3086
3087         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3088         alternatives according to use of high and low regs.
3089         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3090         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3091         optimizing for size on Thumb-2.
3092
3093 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3094
3095         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3096
3097 2010-04-15  Richard Guenther  <rguenther@suse.de>
3098
3099         * tree-ssa-structalias.c (struct variable_info): Add
3100         is_fn_info flag.
3101         (new_var_info): Initialize it.
3102         (dump_constraints): Support printing last added constraints.
3103         (debug_constraints): Adjust.
3104         (dump_constraint_graph): Likewise.
3105         (make_heapvar_for): Check for NULL cfun.
3106         (get_function_part_constraint): New function.
3107         (get_fi_for_callee): Likewise.
3108         (find_func_aliases): Properly implement IPA PTA constraints.
3109         (process_ipa_clobber): New function.
3110         (find_func_clobbers): Likewise.
3111         (insert_into_field_list_sorted): Remove.
3112         (create_function_info_for): Properly allocate vars for IPA mode.
3113         Do not use insert_into_field_list_sorted.
3114         (create_variable_info_for): Properly generate constraints for
3115         global vars in IPA mode.
3116         (dump_solution_for_var): Always dump the solution.
3117         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3118         (find_what_var_points_to): Adjust.
3119         (pt_solution_set): Change.
3120         (pt_solution_ior_into): New function.
3121         (pt_solution_empty_p): Export.
3122         (pt_solution_includes_global): Adjust.
3123         (pt_solution_includes_1): Likewise.
3124         (pt_solutions_intersect_1): Likewise.
3125         (dump_sa_points_to_info): Check some invariants.
3126         (solve_constraints): Move constraint dumping ...
3127         (compute_points_to_sets): ... here.
3128         (ipa_pta_execute): ... and here.
3129         (compute_may_aliases): Do not re-compute points-to info
3130         locally if IPA info is available.
3131         (ipa_escaped_pt): New global var.
3132         (ipa_pta_execute): Properly implement IPA PTA.
3133         * tree-into-ssa.c (dump_decl_set): Support dumping
3134         decls not in referenced-vars.
3135         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3136         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3137         (dump_points_to_solution): Likewise.
3138         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3139         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3140         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3141         (copy_decl_to_var): Copy DECL_PT_UID.
3142         (copy_result_decl_to_var): Likewise.
3143         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3144         (copy_node_stat): Copy it.
3145         * tree.h (DECL_PT_UID): New macro.
3146         (SET_DECL_PT_UID): Likewise.
3147         (DECL_PT_UID_SET_P): Likewise.
3148         (struct tree_decl_minimal): Add pt_uid member.
3149         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3150         (pt_solution_empty_p): Declare.
3151         (pt_solution_set): Adjust.
3152         (ipa_escaped_pt): Declare.
3153         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3154         * gimple-pretty-print.c (pp_points_to_solution): New function.
3155         (dump_gimple_call): Dump call clobber/use information.
3156         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3157         * tree-pass.h (TDF_ALIAS): New dump option.
3158         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3159         * doc/invoke.texi (-fipa-pta): Update documentation.
3160
3161 2010-04-15  Richard Guenther  <rguenther@suse.de>
3162
3163         * Makefile.in (OBJS-common): Add gimple-fold.o.
3164         (gimple-fold.o): New rule.
3165         * tree.h (maybe_fold_offset_to_reference,
3166         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3167         prototypes ...
3168         * gimple.h: ... here.
3169         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3170         may_propagate_address_into_dereference): Move prototypes ...
3171         * gimple.h: ... here.
3172         * tree-ssa-ccp.c (get_symbol_constant_value,
3173         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3174         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3175         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3176         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3177         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3178         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3179         gimplify_and_update_call_from_tree): Move ...
3180         * gimple-fold.c: ... here.  New file.
3181         (ccp_fold_builtin): Rename to ...
3182         (gimple_fold_builtin): ... this.
3183         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3184
3185 2010-04-15  Richard Guenther  <rguenther@suse.de>
3186
3187         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3188         fit_double_type, force_fit_type_double, add_double_with_sign,
3189         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3190         lrotate_double, rrotate_double, div_and_round_double): Move ...
3191         * double-int.c: ... here.
3192         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3193         add_double, neg_double, mul_double_with_sign, mul_double,
3194         lshift_double, rshift_double, lrotate_double, rrotate_double,
3195         div_and_round_double): Move prototypes ...
3196         * double-int.h: ... here.
3197
3198 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3199
3200         PR target/43742
3201         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3202         matching constraints to ensure inputs match the output.
3203
3204 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3205
3206         PR target/43742
3207         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3208         in an input-only operand.
3209
3210 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3211
3212         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3213         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3214         (double_int_negative_p): Convert to static inline function.
3215         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3216         (double_int_negative_p): Remove.
3217         * tree.h (lshift_double, rshift_double):
3218         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3219         * fold-const.c (fold_convert_const_int_from_real,
3220         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3221         (lshift_double): Change type of arith argument to bool.
3222         (rshift_double): Change type of arith argument to bool. Correct
3223         comment.
3224         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3225
3226 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3227
3228         PR target/21803
3229         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3230         at the start and end of the then/else blocks, and omit them from the
3231         conversion.
3232         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3233         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3234         (flow_find_head_matching_sequence): New function.
3235         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3236         * basic-block.h (flow_find_cross_jump,
3237         flow_find_head_matching_sequence): Declare functions.
3238
3239 2010-04-14  Jason Merrill  <jason@redhat.com>
3240
3241         PR c++/36625
3242         * c-common.c (attribute_takes_identifier_p): New fn.
3243         * c-common.h: Declare it.
3244
3245 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3246
3247         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3248         splitter condition.
3249         (*udivmod<mode>4): Ditto.
3250
3251 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3252
3253         * config/i386/i386.md (maxmin_int): Rename code attribute from
3254         maxminiprefix and update all users.
3255         (maxmin_float): Ditto from maxminfprefix.
3256         (logic): Ditto from logicprefix.
3257         (absneg_mnemonic): Ditto from absnegprefix.
3258         * config/i386/mmx.md: Update all users of maxminiprefix,
3259         maxminfprefix and logicprefix for rename.
3260         * config/i386/sse.md: Ditto.
3261         * config/i386/sync.md (sync_<code><mode>): Update for
3262         logicprefix rename.
3263
3264 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3265
3266         PR 42966
3267         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3268         warnings converted to errors.
3269
3270 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3271
3272         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3273         used insn_type variable.
3274         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3275         to avoid set-but-not-used warning.
3276
3277 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3278
3279         * df-core.c (df_ref_debug): Change format string placeholder
3280         from 0x%x to %#x.
3281         * dwarf2asm.c (dw2_asm_output_data_raw,
3282         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3283         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3284         * dwarf2out.c (output_cfi, output_cfi_directive,
3285         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3286         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3287         Ditto.
3288         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3289         * print-rtl.c (print_rtx): Ditto.
3290
3291 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3292
3293         PR middle-end/42694
3294         * builtins.c (expand_builtin_pow_root): New function to expand pow
3295         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3296         series of sqrt and cbrt calls under -ffast-math.
3297         (expand_builtin_pow): Call it.
3298
3299 2010-04-14  Michael Matz  <matz@suse.de>
3300
3301         PR tree-optimization/42963
3302         * tree-cfg.c (touched_switch_bbs): New static variable.
3303         (group_case_labels_stmt): New function broken out from ...
3304         (group_case_labels): ... here, use the above.
3305         (start_recording_case_labels): Allocate touched_switch_bbs.
3306         (end_recording_case_labels): Deallocate it, call
3307         group_case_labels_stmt.
3308         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3309
3310 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3311
3312         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3313         from insn template.
3314
3315 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3316
3317         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3318
3319 2010-04-13  Jan Hubicka  <jh@suse.cz>
3320
3321         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3322         of optimized out static functions.
3323         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3324         cost computation.  Also sanity check for overflows.
3325         (update_caller_keys): Update cgraph_edge_badness call; properly
3326         update fibheap and sanity check that it is up to date.
3327         (add_new_edges_to_heap): Update cgraph_edge_badness.
3328         (cgraph_decide_inlining_of_small_function): Likewise;
3329         add sanity checking that badness in heap is up to date;
3330         improve dumping of reason; Update badness of calls to the
3331         offline copy of function currently inlined; dump badness
3332         of functions not inlined because of unit growth limits.
3333
3334 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3335
3336         PR middle-end/32628
3337         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3338         because of sign-extension change when converting to sizetype here...
3339         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3340
3341         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3342         the folding to constants.  Remove redundant final conversion.
3343         (fold_binary) <associate>: Do not associate if the re-association of
3344         constants alone overflows.
3345         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3346         to the end of the list.
3347         (multiple_of_p) <COND_EXPR>: New case.
3348
3349 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3350
3351         * opt-functions.awk (opt_sanitized_name): New.
3352         (opt_enum): New.
3353         * optc-gen.awk: Use it
3354         * opth-gen.awk: Use it.
3355
3356 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3357
3358         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3359         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3360         children.  Call replace_uses_with_default_def_ssa_name to handle
3361         SSA_NAES on lhs.
3362
3363 2010-04-13  Michael Matz  <matz@suse.de>
3364
3365         PR middle-end/43730
3366         * builtins.c (expand_builtin_interclass_mathfn): Also create
3367         a register if the predicate doesn't match.
3368
3369 2010-04-13  Diego Novillo  <dnovillo@google.com>
3370
3371         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3372         * c-pch.c: Include timevar.h.
3373         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3374         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3375         * ggc-common.c: Include timevar.h.
3376         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3377         * timevar.def (TV_PCH_SAVE): Define.
3378         (TV_PCH_CPP_SAVE): Define.
3379         (TV_PCH_PTR_REALLOC): Define.
3380         (TV_PCH_PTR_SORT): Define.
3381         (TV_PCH_RESTORE): Define.
3382         (TV_PCH_CPP_RESTORE): Define.
3383
3384 2010-04-13  Michael Matz  <matz@suse.de>
3385
3386         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3387         into MINUS_EXPRs.
3388         (can_reassociate_p): New function.
3389         (break_up_subtract_bb, reassociate_bb): Use it.
3390
3391 2010-04-13  Richard Guenther  <rguenther@suse.de>
3392
3393         PR bootstrap/43737
3394         * builtins.c (c_readstr): Fix assert.
3395
3396 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3399         when generating cltd insn.
3400
3401         (*ashl<mode>3_1): Remove special handling for register operand 2.
3402         (*ashlsi3_1_zext): Ditto.
3403         (*ashlhi3_1): Ditto.
3404         (*ashlhi3_1_lea): Ditto.
3405         (*ashlqi3_1): Ditto.
3406         (*ashlqi3_1_lea): Ditto.
3407         (*<shiftrt_insn><mode>3_1): Ditto.
3408         (*<shiftrt_insn>si3_1_zext): Ditto.
3409         (*<shiftrt_insn>qi3_1_slp): Ditto.
3410         (*<rotate_insn><mode>3_1): Ditto.
3411         (*<rotate_insn>si3_1_zext): Ditto.
3412         (*<rotate_insn>qi3_1_slp): Ditto.
3413
3414 2010-04-13  Richard Guenther  <rguenther@suse.de>
3415
3416         * tree-ssa-structalias.c (callused_id): Remove.
3417         (call_stmt_vars): New.
3418         (get_call_vi): Likewise.
3419         (lookup_call_use_vi): Likewise.
3420         (lookup_call_clobber_vi): Likewise.
3421         (get_call_use_vi): Likewise.
3422         (get_call_clobber_vi): Likewise.
3423         (make_transitive_closure_constraints): Likewise.
3424         (handle_const_call): Adjust to do per-call call-used handling.
3425         (handle_pure_call): Likewise.
3426         (find_what_var_points_to): Remove general callused handling.
3427         (init_base_vars): Likewise.
3428         (init_alias_vars): Initialize call_stmt_vars.
3429         (compute_points_to_sets): Process call-used and call-clobbered
3430         vars for call statements.
3431         (delete_points_to_sets): Free call_stmt_vars.
3432
3433 2010-04-13  Richard Guenther  <rguenther@suse.de>
3434
3435         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3436         Only add RW dependence for dependence distance zero.
3437         Adjust maximal vectorization factor according to dependences.
3438         Move alignment handling ...
3439         (vect_find_same_alignment_drs): ... here.  New function.
3440 &nbs