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2010-05-14 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-14  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/44124
4         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
5
6 2010-05-14  Alan Modra  <amodra@gmail.com>
7
8         PR target/44075
9         * config/rs6000/rs6000.c (struct machine_function): Reorder
10         fields for better packing.  Add lr_save_state.
11         (rs6000_ra_ever_killed): Return lr_save_state if set.
12         (rs6000_emit_eh_reg_restore): Set lr_save_state.
13
14 2010-05-13  Jan Hubicka  <jh@suse.cz>
15
16         * varpool.c (decide_is_variable_needed): Drop code checking
17         TREE_SYMBOL_REFERENCED.
18
19 2010-05-13  Jan Hubicka  <jh@suse.cz>
20
21         * final.c (output_addr_const): Do not call mark_decl_referenced.
22         * cgraphunit.c (process_function_and_variable_attributes): Use
23         mark_needed_node dirrectly.
24         (assemble_thunk): Do not call mark_decl_referenced.
25
26 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
27
28         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
29
30 2010-05-13  Jeff Law  <law@redhat.com>
31
32         * ira-conflicts.c (print_allocno_conflicts): New function broken out
33         from...
34         (print_conflicts): Call print_allocno_conflicts.
35
36 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
37
38         PR debug/44104
39         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
40         if it is NULL.
41
42 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
43
44         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
45         t-mingw-w64 or t-mingw-w32 for multilib configuration.
46         * config/i386/t-mingw-w32: New.
47         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
48         
49 2010-05-13  Martin Jambor  <mjambor@suse.cz>
50
51         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
52         gimple-fold.c).
53         * gimple-fold.c (get_base_binfo_for_type): New function.
54         (gimple_get_relevant_ref_binfo): Likewise.
55         (gimple_fold_obj_type_ref_known_binfo): Likewise.
56         (gimple_fold_obj_type_ref): Likewise.
57         (fold_gimple_call): Simplify condition for folding virtual calls
58         and call gimple_fold_obj_type_ref.
59         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
60         (gimple_fold_obj_type_ref_known_binfo): Likewise.
61
62 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
63
64         * config/rs6000/rs6000-protos.h
65         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
66         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
67         (rs6000_debug_mode_dependent_address)
68         (rs6000_mode_dependent_address_ptr): Likewise.
69
70 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
71
72         PR debug/43983
73         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
74         by SRA.
75         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
76         * tree-sra.c (create_access_replacement): Call unshare_expr before
77         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
78         it.
79         * dwarf2out.c: Include tree-flow.h.
80         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
81         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
82         Handle DW_OP_bit_piece.
83         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
84         construct_piece_list, adjust_piece_list): New functions.
85         (add_var_loc_to_decl): Handle SRA optimized variables.
86         Adjust for var_loc_note to loc field renaming.
87         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
88         in VAR_LOCATION note.
89         (new_loc_descr_op_bit_piece): New function.
90         (dw_sra_loc_expr): New function.
91         (dw_loc_list): Use it.  Don't handle the last range after the
92         loop, handle it inside of the loop.  Adjust for var_loc_note
93         to loc field renaming.
94         (add_location_or_const_value_attribute): Only special case
95         single entry loc lists if loc is NOTE_P.  Adjust for
96         var_loc_note to loc field renaming.
97         (dwarf2out_var_location): Don't set newloc->var_loc_note
98         and newloc->next here.
99
100 2010-05-12  Jan Hubicka  <jh@suse.cz>
101
102         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
103         flag.
104         * cgraph.h (cgraph_only_called_directly_p,
105         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
106         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
107         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
108         (assemble
109         * ipa.c (cgraph_remove_unreachable_nodes): Use
110         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
111         flags.
112         * tree-inline.c (copy_bb): Check address_taken flag.
113         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
114         externally_visible flag.
115
116 2010-05-12  Jason Merrill  <jason@redhat.com>
117
118         PR bootstrap/44048
119         PR target/44099
120         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
121         * sdbout.c (plain_type_1): Likewise.
122         * dwarf2out.c (is_base_type): Likewise.
123         (gen_type_die_with_usage): Likewise.  Generate
124         DW_TAG_unspecified_type for any LANG_TYPE.
125
126 2010-05-12  Jan Hubicka  <jh@suse.cz>
127
128         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
129         indrect edges too.
130         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
131         (cgraph_clone_edge): Update.
132         (cgraph_node_remove_callees): Remove indirect calls too.
133         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
134         (cgraph_create_indirect_edge): Update prototype.
135         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
136         is_proper_for_analysis.
137         (add_new_function, visited_nodes, function_insertion_hook_holder,
138         get_local_reference_vars_info, mark_address_taken, mark_address,
139         mark_load, mark_store, check_asm_memory_clobber, check_call,
140         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
141         (ipa_init): Do not initialize visited_nodes;
142         function_insertion_hook_holder.
143         (analyze_variable): Rewrite.
144         (analyze_function): Rewrite.
145         (copy_local_bitmap): Remove.
146         (duplicate_node_dat): Do not duplicate local info.
147         (generate_summary): Simplify to only walk cgraph.
148         (write_node_summary_p, ipa_reference_write_summary,
149         ipa_reference_read_summary): Remove.
150         (propagate): Do not remove function insertion;
151         generate summary.
152         (pass_ipa_reference): NULLify summary handling fields.
153         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
154         (input_edge): Input ecf_flags.
155         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
156         (update_indirect_edges_after_inlining): Ignore edges with unknown
157         param.
158
159 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
160
161         * implicit-zee.c: New file.
162         * tree-pass.h (pass_implicit_zee): Declare.
163         * passes.c (init_optimization_passes): Add zee pass.
164         * common.opt (fzee): New flag.
165         * timevar.def (TV_ZEE): Define.
166         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
167         and beyond.
168         * Makefile.in (implicit-zee.o): Add new build file.
169
170 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
171             Nathan Froyd  <froydnj@codesourcery.com>
172
173         * c-common.c (sync_resolve_params): Remove write-only variable.
174
175 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
176
177         * target.h (struct gcc_target): Add mode_dependent_address_p field.
178         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
179         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
180         * targhooks.c (default_mode_dependent_address_p): New function.
181         * targhooks.h (default_mode_dependent_address_p): Declare function.
182         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
183         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
184         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
185         target hook. Change return type to bool.
186         * recog.h: (mode_dependent_address_p): Change return type to bool.
187
188 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
189             Nathan Froyd  <froydnj@codesourcery.com>
190
191         * tree-mudflap.c (build_function_type_0, build_function_type_1,
192         build_function_type_2, build_function_type_3): Remove.
193         (mudflap_init): Use build_function_type_list.
194
195 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
196             Nathan Froyd  <froydnj@codesourcery.com>
197
198         * coverage.c (build_fn_info_value): Call build_constructor instead of
199         build_constructor_from_list.
200         (build_ctr_info_value): Likewise.
201         (build_gcov_info): Likewise.
202
203 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
204
205         * tree.c (build_constructor): Compute TREE_CONSTANT for the
206         resultant constructor.
207         (build_constructor_single): Don't set TREE_CONSTANT.
208         (build_constructor_from_list): Don't compute TREE_CONSTANT.
209
210 2010-05-12  Jan Hubicka  <jh@suse.cz>
211
212         * cgraph.h (struct varpool_node): Add aux.
213         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
214         * varpool.c (varpool_remove_node): Do not remove initializer.
215         (varpool_reset_queue): Export.
216         (varpool_finalize_decl): Volatile vars are forced to be output.
217         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
218         replaced decl.
219         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
220         process_references, varpool_can_remove_if_no_refs): New functions.
221         (cgraph_remove_unreachable_nodes): Handle variables too.
222
223 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
224
225         PR target/44088
226         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
227
228 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
229
230         PR middle-end/44085
231         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
232         change value of ORT_TASK.
233         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
234         (omp_notice_threadprivate_variable): New function.
235         (omp_notice_variable): Call it for threadprivate variables.
236         If enclosing ctx is a task, print enclosing task rather than
237         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
238         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
239         if task has untied clause.
240
241         PR debug/42278
242         * dwarf2out.c (base_type_die): Don't add name attribute here.
243         (modified_type_die): Instead of sizetype use
244         its underlying original type.  If a DW_TAG_base_type doesn't
245         have name added, add __unknown__.
246         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
247         always call force_type_die instead.
248
249 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
250
251         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
252         for __stack_chk_guard.
253
254 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
255
256         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
257         don't call start_source_file debug hook here...
258         (finish_options): ... but here, after outputting predefined and
259         command line defines and undefs.
260
261         PR middle-end/44071
262         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
263         no fallthru edge.
264         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
265         optimizing away empty bb with no successors, move over its
266         footer chain to fallthru predecessor.
267         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
268         (rtl_split_edge): For asm goto call patch_jump_insn even if
269         splitting fallthru edge.
270
271         PR c++/44059
272         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
273         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
274         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
275         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
276         on DW.ref.* decls.
277
278         PR c++/44062
279         * c-parser.c (c_parser_expression): Mark LHS of a comma
280         expression as read if it is a decl, handled component or
281         COMPOUND_EXPR with that on the RHS.
282         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
283         if it is a decl or handled component.
284
285 2010-05-11  Jan Hubicka  <jh@suse.cz>
286
287         * lto-symtab.c (lto_symtab_free): New function.
288         * lto-streamer.h (lto_symtab_free): Declare.
289
290 2010-05-11  Jan Hubicka  <jh@suse.cz>
291
292         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
293         that if function is needed it is reachable.
294         (lto_output_node): See if it the function is reachable or referenced.
295         (output_cgraph): Update call of lto_output_node.
296         * lto-streamer.h (reachable_from_other_partition_p): Declare.
297
298 2010-05-11  Jan Hubicka  <jh@suse.cz>
299
300         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
301         Mark as used.
302
303 2010-05-11  Jan Hubicka  <jh@suse.cz>
304
305         PR tree-optimize/44063
306         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
307         queue.
308         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
309         limits.
310         (estimate_function_body_sizes): Compute sizes even when disregarding.
311
312 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
313
314         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
315
316 2010-05-11  Jan Hubicka  <jh@suse.cz>
317
318         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
319         into every boundary.
320
321 2010-05-11  Jan Hubicka  <jh@suse.cz>
322
323         * matrix-reorg.c (matrix_reorg): Rebuild edges.
324
325 2010-05-11  Jan Hubicka  <jh@suse.cz>
326
327         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
328         lto_streamer_cache_delete): Put nodes into heap.
329         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
330         heap.
331
332 2010-05-11  Jan Hubicka  <jh@suse.cz>
333
334         * cgraphbuild.c (cgraph_rebuild_references): New.
335         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
336         out extern inlines.
337         * cgraph.h (cgraph_rebuild_references): Declare.
338         * tree-inline.c (tree_function_versioning): Use it.
339         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
340
341 2010-05-11  Jan Hubicka  <jh@suse.cz>
342
343         * cgraph.c: Include ipa-utils.h
344         (cgraph_create_virtual_clone): Update references.
345         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
346
347 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
348
349         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
350         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
351         cache size.
352
353 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
354
355         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
356
357 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
358
359         * gcc.c (execute): For -### don't quote arguments that
360         contain just alphanumerics and _/-. characters.
361         * doc/invoke.texi: Document that change for -###.
362
363         PR debug/44023
364         * df-problems.c (struct dead_debug): Add to_rescan field.
365         (dead_debug_init): Clear to_rescan field.
366         (dead_debug_finish): Rescan all debug insns in to_rescan
367         bitmap and free the bitmap.
368         (dead_debug_insert_before): Instead of rescanning debug insns
369         immediately queue their rescanning until dead_debug_finish.
370         (df_note_bb_compute): After dead_debug_add do continue instead
371         of break.
372
373 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
374
375         PR debug/44028
376         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
377         clear also INSN_REG_USE_LIST.
378
379 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
380
381         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
382
383 2010-05-10  Jan Hubicka  <jh@suse.cz>
384
385         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
386         commited change.
387
388 2010-05-10  Jan Hubicka  <jh@suse.cz>
389
390         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
391         Allocate encoders.
392         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
393         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
394         (lto_streamer_cache_create): Init alloc pool.
395         (lto_streamer_cache_delete): Free alloc pool.
396         * lto-streamer.h: Include alloc pool.
397         (lto_streamer_cache_d): Use alloc pool.
398         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
399
400 2010-05-10  Jan Hubicka  <jh@suse.cz>
401
402         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
403         * cgraphbuild.c: Include except.h
404         (record_type_list, record_eh_tables): New function.
405         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
406
407 2010-05-10  Jan Hubicka  <jh@suse.cz>
408
409         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
410         __frame_dummy_init_array_entry, force_to_data): Attribute as used
411         rather than unused.
412
413 2010-05-10  Michael Matz  <matz@suse.de>
414
415         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
416         (can_reassociate_p): Use FLOAT_TYPE_P.
417         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
418         (vect_force_simple_reduction): ... this.
419         * tree-parloops.c (gather_scalar_reductions): Use
420         vect_force_simple_reduction.
421         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
422         vect_is_simple_reduction, add modify argument, if true rewrite
423         "a-b" into "a+(-b)".
424         (vect_is_simple_reduction, vect_force_simple_reduction): New
425         functions.
426         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
427
428 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
429             Vladimir Makarov  <vmakarov@redhat.com>
430
431         PR rtl-optimization/44012
432         * ira-build.c (remove_unnecessary_allocnos): Nullify
433         regno_allocno_map of the removed allocno.
434
435 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
436
437         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
438         to /dev/null.
439         * configure: Regenerate.
440
441 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
442
443         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
444         unused.
445         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
446         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
447         support in Sun ld.
448         * configure: Regenerate.
449
450 2010-05-10  Richard Guenther  <rguenther@suse.de>
451
452         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
453         marked if the entry identifier is marked.
454
455 2010-05-10  Richard Guenther  <rguenther@suse.de>
456
457         * c-common.c (struct c_common_attributes): Add fnspec attribute.
458         (handle_fnspec_attribute): New function.
459         * gimple.h (gimple_call_return_flags): Declare.
460         (gimple_call_arg_flags): Likewise.
461         * gimple.c (gimple_call_arg_flags): New function.
462         (gimple_call_return_flags): Likewise.
463         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
464         New argument flags.
465         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
466         return value flags.
467         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
468         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
469         main work to ...
470         (make_heapvar_for): ... this new function.
471         (handle_rhs_call): Handle fnspec attribute argument specifiers.
472         (handle_lhs_call): Likewise.
473         (find_func_aliases): Adjust.
474
475 2010-05-10  Richard Guenther  <rguenther@suse.de>
476
477         PR tree-optimization/44050
478         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
479
480 2010-05-10  Wei Guozhi  <carrot@google.com>
481
482         PR target/42879
483         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
484
485 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
486
487         PR c/10676
488         * c-typeck.c (lookup_field): Take a type directly.  Update
489         recursive calls.
490         (build_component_ref): Update call to lookup_field.
491         (set_init_label): Use lookup_field to find initialized field.
492         Handle returned list of fields like a sequence of designators.
493
494 2010-05-09  Richard Guenther  <rguenther@suse.de>
495
496         PR middle-end/44024
497         * fold-const.c (tree_single_nonzero_warnv_p): Properly
498         handle &FUNCTION_DECL.
499
500 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
501
502         PR c/4784
503         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
504         structures and unions recursively.
505         (detect_field_duplicates): Move duplicate detection with a hash to
506         detect_field_duplicates_hash.  Always use a hash if anonymous
507         structures or unions are present.
508         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
509         give errors.
510
511 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
512
513         PR target/44046
514         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
515         detect Atom, Core 2 and Core i7.
516
517 2010-05-09  Richard Guenther  <rguenther@suse.de>
518
519         * gcc.c (store_arg): Handle temporary file deletion for
520         joined arguments.
521
522 2010-05-09  Richard Guenther  <rguenther@suse.de>
523
524         PR middle-end/44043
525         * ipa-inline.c (estimate_function_body_sizes): Return after
526         disregarding inline limits.
527
528 2010-05-09  Richard Guenther  <rguenther@suse.de>
529
530         * gcc.c (store_arg): Revert last change.
531
532 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
533
534         PR middle-end/28685
535         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
536         (optimize_ops_list): Call it.
537
538 2010-05-08  Richard Guenther  <rguenther@suse.de>
539
540         PR tree-optimization/44030
541         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
542         NECESSARY flag if we propagate from a inserted expression.
543
544 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
545
546         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
547         domain types as equal if they are both PLACEHOLDER_EXPRs.
548
549 2010-05-08  Richard Guenther  <rguenther@suse.de>
550
551         * lto-wrapper.c (run_gcc): Remove linker output from
552         command line for LTRANS invocation.
553
554 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
555
556         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
557         lto-macho as lto_binary_reader.
558         * target.h (struct gcc_target): New hooks lto_start and lto_end.
559         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
560         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
561         in lto_start and lto_end calls.
562         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
563         magic numbers.
564         (scan_prog_file): Update is_elf_or_coff call.
565         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
566
567         * collect2.c (main): Fix enum comparison.
568
569         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
570         Add prototypes.
571         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
572         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
573         and TARGET_ASM_LTO_END.
574         * darwin.c: Include obstack.h and lto-streamer.h.
575         (lto_section_names_offset, lto_section_names_obstack,
576         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
577         global variables.
578         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
579         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
580         to a temporary file.
581         (darwin_asm_lto_end): New function.  Restore asm_out_file.
582         (darwin_asm_named_section): For LTO sections, replace the name with
583         the offset of the section name in a string table, and build this
584         table.
585         (darwin_file_start): Initialize global vars for LTO support.
586         (darwin_file_end): If output to asm_out_file was redirected, append it
587         to the proper asm_out_file here.  Add the section names section.
588
589 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
590
591         * c-pragma.c (pending_weak_d, pending_weak): New.
592         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
593         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
594         handle_pragma_weak): Update the uses of pending_weaks.
595
596 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
597
598         PR documentation/44016
599         * doc/standards.texi (Standards): Link to unversioned
600         cxx0x_status.html page.
601
602 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
603
604         PR target/43708
605         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
606         in addition to TREE_USED, to avoid "set but unused" warnings.
607
608 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
609
610         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
611         (is_loop_prefetching_profitable): Do not insert prefetches
612         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
613         times the prefetch ahead distance.
614
615 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
616
617         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
618         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
619         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
620         the unroll_factor.
621
622 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
623
624         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
625         a diagnostic info when the insn-to-mem ratio is too small.
626
627 2010-05-07  Richard Guenther <rguenther@suse.de>
628
629         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
630         the linker plugin.
631         (store_arg): Queue temp_filename for deletion instead of
632         the whole argument.
633
634 2010-05-07  Richard Guenther  <rguenther@suse.de>
635
636         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
637         (run_gcc): Handle LTRANS phase invocation.
638         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
639
640 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
641
642         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
643         this is also meaningful on PARM_DECLs and RESULT_DECLs.
644
645 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
646
647         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
648
649 2010-05-07  Richard Guenther  <rguenther@suse.de>
650
651         PR tree-optimization/44020
652         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
653         code when PRE is not yet initialized.
654
655 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
656
657         * config/mips/dbxmdebug.h: Remove.
658         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
659
660 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
661
662         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
663         with null pointer and also warn about ordered comparison of zero with
664         pointer if -Wextra.
665
666 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
667
668         * graphite-blocking.c
669         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
670         * graphite-clast-to-gimple.c
671         (clast_to_gcc_expression): Same.
672         (precision_for_value): Same.
673         (precision_for_interval): Same.
674         (gcc_type_for_interval): Same.
675         (graphite_create_new_guard): Same.
676         (compute_bounds_for_level): Same.
677         (graphite_create_new_loop_guard): Same.
678         * graphite-interchange.c
679         (build_linearized_memory_access): Same.
680         (pdr_stride_in_loop): Same.
681         (memory_strides_in_loop_1): Same.
682         (memory_strides_in_loop): Same.
683         (extend_scattering): Same.
684         (psct_scattering_dim_for_loop_depth): Same.
685         (pbb_number_of_iterations): Same.
686         * graphite-poly.h
687         (debug_iteration_domains): Same.
688         * graphite-ppl.c
689         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
690         (ppl_set_inhomogeneous_gmp): Same.
691         (ppl_strip_loop): Same.
692         (ppl_lexico_compare_linear_expressions): Same.
693         (ppl_read_polyhedron_matrix): Same.
694         (ppl_max_for_le_pointset): Same.
695         * graphite-ppl.h
696         (ppl_read_polyhedron_matrix): Same.
697         (tree_int_to_gmp): Same.
698         (gmp_cst_to_tree): Same.
699         (ppl_set_inhomogeneous): Same.
700         (ppl_set_inhomogeneous_tree): Same.
701         (ppl_set_coef): Same.
702         (ppl_set_coef_tree): Same.
703         * graphite-sese-to-poly.c
704         (build_pbb_scattering_polyhedrons): Same.
705         (build_scop_scattering): Same.
706         (scan_tree_for_params_right_scev): Same.
707         (scan_tree_for_params): Same.
708         (find_params_in_bb): Same.
709         (find_scop_parameters): Same.
710         (add_upper_bounds_from_estimated_nit): Same.
711         (build_loop_iteration_domains): Same.
712         (add_condition_to_domain): Same.
713         (pdr_add_memory_accesses): Same.
714
715 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
716
717         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
718         CLooG's value_* macros to their respective mpz_* counterparts.
719         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
720         (graphite_create_new_loop_guard): Same.
721         * graphite-interchange.c (build_linearized_memory_access): Same.
722         (pdr_stride_in_loop): Same.
723         (memory_strides_in_loop_1): Same.
724         (1st_interchange_profitable_p): Same.
725         * graphite-poly.c (extend_scattering): Same.
726         (psct_scattering_dim_for_loop_depth): Same.
727         (pbb_number_of_iterations): Same.
728         (pbb_number_of_iterations_at_time): Same.
729         * graphite-poly.h (new_1st_loop): Same.
730         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
731         (oppose_constraint): Same.
732         (insert_constraint_into_matrix): Same.
733         (ppl_set_inhomogeneous_gmp): Same.
734         (ppl_set_coef_gmp): Same.
735         (ppl_strip_loop): Same.
736         (ppl_lexico_compare_linear_expressions): Same.
737         (ppl_max_for_le_pointset): Same.
738         (ppl_min_for_le_pointset): Same.
739         (ppl_build_realtion): Same.
740         * graphite-ppl.h (gmp_cst_to_tree): Same.
741         (ppl_set_inhomogeneous): Same.
742         (ppl_set_inhomogeneous_tree): Same.
743         (ppl_set_coef): Same.
744         (ppl_set_coef_tree): Same.
745         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
746         (build_scop_scattering): Same.
747         (add_value_to_dim): Same.
748         (scan_tree_for_params_right_scev): Same.
749         (scan_tree_for_params_int): Same.
750         (scan_tree_for_params): Same.
751         (find_params_in_bb): Same.
752         (find_scop_parameters): Same.
753         (add_upper_bounds_from_estimated_nit): Same.
754         (build_loop_iteration_domains): Same.
755         (create_linear_expr_from_tree): Same.
756         (add_condition_to_domain): Same.
757         (pdr_add_memory_accesses): Same.
758
759 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
760             Jason Merrill  <jason@redhat.com>
761
762         * c-common.c (c_common_reswords): Add nullptr.
763         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
764         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
765         (gen_type_die_with_usage): Likewise.
766         * dbxout.c (dbxout_type): Likewise.
767         * sdbout.c (plain_type_1): Likewise.
768
769 2010-05-06  Jason Merrill  <jason@redhat.com>
770
771         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
772         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
773         ret appropriately.
774         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
775
776         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
777         stripping WITH_SIZE_EXPR.
778         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
779         change.
780
781 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
782
783         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
784         list of obsolete configurations.
785         Disabled check for obsolete configurations.
786         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
787         Removed support for previous versions.
788         * config/mips/iris.h: Removed.
789         * config/mips/iris5.h: Removed.
790         * config/mips/iris6.h: Merged old iris.h contents.
791         (TARGET_IRIX): Removed.
792         (DRIVER_SELF_SPECS): Removed mabi=32.
793         (IDENT_ASM_OP): Removed undef.
794         (STARTFILE_SPEC): Removed mabi=32.
795         (ENDFILE_SPEC): Likewise.
796         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
797         (MACHINE_TYPE): Update for IRIX 6.5.
798         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
799         TARGET_IRIX by TARGET_IRIX6.
800         (mips_file_start): Likewise.
801         (mips_output_external): Remove IRIX 5/6 O32 support.
802         (mips_output_function_prologue): Likewise.
803         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
804         TARGET_IRIX6.
805         (TARGET_CPU_CPP_BUILTINS): Likewise.
806         (TARGET_IRIX): Removed.
807         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
808         (MULTILIB_DIRNAMES): Removed 32.
809         (MULTILIB_OSDIRNAMES): Removed ../lib.
810         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
811         (Specific, mips-sgi-irix5): Document removal.
812         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
813         Remove references to older IRIX 6 releases and the O32 ABI.
814
815 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
816
817         PR bootstrap/43994
818         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
819         instead of DF_REF_REAL_REG.
820
821 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
822
823         PR target/43888
824         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
825         handling to still return true for x64 targets.
826
827 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
828
829         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
830
831 2010-05-06  Jan Hubicka  <jh@suse.cz>
832
833         PR tree-optimization/43791
834         * ipa-inline.c (update_caller_keys): Remove bogus
835         disregard_inline_limits check.
836
837 2010-05-06  Michael Matz  <matz@suse.de>
838
839         PR tree-optimization/43984
840         * tree-ssa-pre.c (inserted_phi_names): Remove.
841         (inserted_exprs): Change to bitmap.
842         (create_expression_by_pieces): Set bits, don't append to vector.
843         (insert_into_preds_of_block): Don't handle inserted_phi_names.
844         (eliminate): Don't look at inserted_phi_names, remove deleted
845         insns from inserted_exprs.
846         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
847         (init_pre, fini_pre): Allocate and free bitmaps.
848         (execute_pre): Insert insns on edges before elimination.
849
850 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
851
852         * tree.c (initializer_zerop): Handle STRING_CST.
853
854 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
855
856         PR 40989
857         * doc/invoke.texi (Wimplicit): Document as C only.
858         * opts.c (common_handle_option): Add argument kind.
859         (handle_option): Rename as read_cmdline_option. Factor out code to...
860         (handle_option): ... here. New.
861         (handle_options): Rename as read_cmdline_options.
862         (decode_options): Update call.
863         (set_option): Use option index instead of option pointer. Classify
864         diagnostics correctly.
865         (enable_warning_as_error): Call handle_option.
866         * opts.h (set_option): Update declaration.
867         (handle_option): Declare.
868         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
869         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
870         * c-opts.c (set_Wimplicit): Delete.
871         (c_family_lang_mask): New static constant.
872         (c_common_handle_option): Add argument kind. Use handle_option
873         instead of set_Wimplicit.
874         (c_common_post_options): warn_implicit and warn_implicit_int
875         are disabled by default.
876         * c-common.c (warn_implicit): Do not define here.
877         * c-common.h (warn_implicit): Do not declare here.
878         (c_common_handle_option): Update declaration.
879         * lto-opts.c (lto_reissue_options): Update call to set_option.
880
881 2010-05-06  Richard Guenther  <rguenther@suse.de>
882
883         PR tree-optimization/43571
884         * domwalk.c (walk_dominator_tree): Walk the dominator
885         sons in more optimal order.
886
887 2010-05-06  Richard Guenther  <rguenther@suse.de>
888
889         PR tree-optimization/43934
890         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
891         (stmt_cost): Likewise.
892         (extract_true_false_args_from_phi): New helper.
893         (determine_max_movement): For PHI nodes verify we can hoist them
894         and compute their cost.
895         (determine_invariantness_stmt): Handle PHI nodes.
896         (move_computations_stmt): Likewise.  Hoist PHI nodes in
897         if-converted form using COND_EXPRs.
898         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
899         (tree_ssa_lim): Likewise.
900         * tree-flow.h (tree_ssa_lim): Adjust prototype.
901         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
902
903 2010-05-06  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/43987
906         * tree-ssa-structalias.c (could_have_pointers): For possibly
907         address-taken variables force pointers to be recorded.
908         (create_variable_info_for_1): Likewise.
909         (push_fields_onto_fieldstack): Pass in wheter all fields
910         must have pointers.
911         (find_func_aliases): Query types instead of vars whether
912         they contain pointers where appropriate.
913
914 2010-05-06  Jan Hubicka  <jh@suse.cz>
915
916         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
917         (record_reference, mark_address, mark_load, mark_store): Record
918         references.
919         (record_references_in_initializer): Update call of record_references.
920         (rebuild_cgraph_edges): Remove all references before rebuiding.
921         * cgraph.c (cgraph_create_node): Clear ref list.
922         (cgraph_remove_node): Remove references.
923         (dump_cgraph_node): Dump references.
924         (cgraph_clone_node): Clone references.
925         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
926         (struct cgraph_node, varpool_node): Add ref_lst.
927         * ipa-ref.c: New file.
928         * ipa-ref.h: New file.
929         * ipa-ref-inline.h: New file.
930         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
931         (referenced_from_other_partition_p): New function.
932         (lto_output_varpool_node): Take set arugment; call
933         referenced_from_other_partition.
934         (lto_output_ref): New.
935         (add_references): New.
936         (output_refs): New.
937         (output_cgraph): Compute boundary based on references; output refs.
938         (output_varpool): Accept cgraph_node_set argument.
939         (input_ref): New.
940         (input_refs): New.
941         (input_cgraph): Call input_refs.
942         * lto-section-in.c (lto_section_name): Add refs.
943         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
944         (ipa-ref.o): New file.
945         * varpool.c (varpool_node): Clear ipa ref list.
946         (varpool_remove_node): Remove references.
947         (dump_varpool_node): Dump references.
948         (varpool_assemble_decl): Only compile finalized ones.
949         (varpool_extra_name_alias): Initialize ref list.
950         * lto-streamer.c (lto-get_section_name): Add .refs section.
951         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
952         (referenced_from_other_partition_p): Declared.
953
954 2010-05-06  Ira Rosen  <irar@il.ibm.com>
955
956         PR tree-optimization/43901
957         * tree-vect-stmts.c (vectorizable_call): Assert that vector
958         type is not NULL if it's transformation phase, and return
959         FALSE if it's analysis.
960         (vectorizable_conversion, vectorizable_operation,
961         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
962
963 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
964
965         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
966         Delete.
967         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
968         New define.
969         * config/mips/mips-protos.h
970         (mips_small_register_classes_for_mode_p): Delete prototype.
971
972 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
973
974         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
975         * config/arm/arm.c (multiple_operation_profitable_p,
976         compute_offset_order): New static functions.
977         (load_multiple_sequence, store_multiple_sequence): Use them.
978         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
979         memory offsets, not register numbers.
980         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
981
982 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
983
984         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
985         (get_pending_sizes, put_pending_size, put_pending_sizes):
986         Update the uses of pending_sizes.
987         * c-decl.c (store_parm_decls): Likewise.
988         * c-tree.h (struct c_arg_info): Likewise.
989         * tree.h: Update the prototype for get_pending_sizes and
990         put_pending_sizes.
991
992 2010-05-05  Jason Merrill  <jason@redhat.com>
993
994         PR debug/43370
995         * c-common.c (handle_aligned_attribute): Respect
996         ATTR_FLAG_TYPE_IN_PLACE.
997
998         PR testsuite/43758
999         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1000         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1001         (TARGET_INITIALIZER): Use it.
1002         * c-common.c (attribute_takes_identifier_p): Call it.
1003         * c-common.h: Update prototype.
1004         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1005         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1006
1007 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1008
1009         PR debug/43950
1010         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1011         DW_ID_down_case for Fortran compilation units.
1012
1013 2010-05-05  Jan Hubicka  <jh@suse.cz>
1014
1015         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1016         handle aliases.
1017
1018 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1019
1020         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1021         a variable-sized RESULT_DECL.
1022
1023 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1024
1025         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1026
1027 2010-05-05  Jason Merrill  <jason@redhat.com>
1028
1029         PR c++/43787
1030         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1031         returns GS_OK.
1032         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1033
1034 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1035             Jakub Jelinek  <jakub@redhat.com>
1036
1037         PR debug/43478
1038         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1039         (dead_debug_init, dead_debug_finish): New functions.
1040         (dead_debug_add, dead_debug_insert_before): Likewise.
1041         (df_note_bb_compute): Initialize a dead_debug object, add dead
1042         debug uses to it, insert debug bind insns before death insns,
1043         reset debug insns that refer to pending uses at the end.
1044         * rtl.h (make_debug_expr_from_rtl): New prototype.
1045         * varasm.c (make_debug_expr_from_rtl): New function.
1046
1047 2010-05-05  Jan Hubicka  <jh@suse.cz>
1048
1049         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1050         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1051         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1052         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1053         lto_varpool_encoder_encode_initializer_p,
1054         lto_set_varpool_encoder_encode_initializer): New functions.
1055         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1056         call output_varpool.
1057         (input_varpool_node): Do not always set analyzed.
1058         (input_cgraph_1): Return vector of cgraph nodes.
1059         (input_varpool_1): Return vector of varpools.
1060         (input_cgraph): Free the vectors.
1061         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1062         output only initializers needed.
1063         (lto_output): Only call output_cgraph.
1064         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1065         * lto-section-out.c (lto_new_out_decl_state): Initialize
1066         state->varpool_node_encoder.
1067         * lto-streamer.h (lto_varpool_encoder_d): New.
1068         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1069         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1070         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1071         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1072         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1073         Declare.
1074         (output_varpool, input_varpool): Remove declarations.
1075
1076 2010-05-05  Jan Hubicka  <jh@suse.cz>
1077
1078         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1079         with body can prevail.
1080
1081 2010-05-05  Jan Hubicka  <jh@suse.cz>
1082
1083         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1084         size.
1085
1086 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1087
1088         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1089
1090         * gengtype.h (erro_at_line): Constify pos argument.
1091
1092         * gengtype.c: Include hashtab.h.
1093         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1094         (error_at_line): Constify pos argument.
1095         (do_typedef): Initialize p->opt field.
1096         (get_file_gtfilename): Fix comment typo.
1097         (struct walk_type_data): Constify line field.
1098         (get_output_file_for_structure): New function.
1099         (write_local_func_for_structure): Constify orig_s argument.
1100         Use get_output_file_for_structure.
1101         (write_func_for_structure): Use get_output_file_for_structure.
1102         (INDENT): New define.
1103         (dump_pair, dump_type, dump_type_list, dump_typekind)
1104         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1105         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1106         functions.
1107         (seen_types): New variable.
1108         (main): New variable do_dump.  Process "-d" command line option.
1109         Call dump_everything if dump requested.
1110
1111 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1112
1113         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1114         in a temporary instead of invoking the macro multiple times.
1115         (track_expr_p): Likewise.
1116
1117 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1118
1119         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1120         per new semantics.
1121         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1122         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1123         conditions for printing notes.
1124         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1125         true, update documentation.
1126         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1127
1128 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1129
1130         PR c/43981
1131         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1132         on dimen.
1133
1134 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1135
1136         PR target/43799
1137         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1138         (*sse_prologue_save_insn1): Likewise.
1139         (SSE prologue save splitter): Likewise.
1140
1141 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1142
1143         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1144         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1145         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1146         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1147         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1148         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1149         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1150
1151 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1152
1153         * tree-sra.c (build_access_from_expr_1): The first parameter type
1154         changed to simple tree.
1155         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1156         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1157         renamed as well.
1158         (build_accesses_from_assign): Removed all parameters except for a
1159         simple gimple statement.  Now returns a simple bool.
1160         (scan_function): All non-analysis parts moved to separate functions
1161         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1162         parameters and updated both callers.
1163         (sra_modify_expr): Removed parameter data.
1164         (sra_modify_function_body): New function.
1165         (perform_intra_sra): Call sra_modify_function_body to modify the
1166         function body.
1167         (replace_removed_params_ssa_names): Parameter data changed into
1168         adjustments vector.
1169         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1170         changed the parameter dont_convert to convert with the opposite
1171         meaning.
1172         (sra_ipa_modify_assign): Parameter data changed into adjustments
1173         vector, return value changed to bool.
1174         (ipa_sra_modify_function_body): New function.
1175         (sra_ipa_reset_debug_stmts): Updated a comment.
1176         (modify_function): Use ipa_sra_modify_function_body to modify function
1177         body.
1178
1179 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         PR middle-end/43671
1182         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1183         (canon_true_dependence): Likewise.
1184         (write_dependence_p): Likewise.
1185
1186 2010-05-04  Jan Hubicka  <jh@suse.cz>
1187
1188         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1189         * cgraphbuild.c: Include ipa-utils.h
1190         (record_reference_ctx): New struct.
1191         (record_reference): Simplify to work on initializers; not statements.
1192         (mark_address, mark_load, mark_store): New.
1193         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1194         walk PHI nodes too.
1195         (record_references_in_initializer): Update use of record_reference.
1196         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1197         walk PHI nodes too.
1198
1199 2010-05-04  Jan Hubicka  <jh@suse.cz>
1200
1201         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1202         node will be removed anyway.
1203         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1204         relink aliases of node into prevailing node.
1205         * varpool.c (varpool_remove_node): Remove aliases properly;
1206         when removing node, remove all its aliases too; remove DECL_INITIAL
1207         of removed node; ggc_free the varpool node.
1208
1209 2010-05-04  Richard Guenther  <rguenther@suse.de>
1210
1211         PR tree-optimization/43879
1212         * tree-ssa-structalias.c (alias_get_name): Use
1213         DECL_ASSEMBLER_NAME if available.
1214         (create_function_info_for): Return the varinfo node.
1215         (ipa_pta_execute): Associate same-body aliases and extra names
1216         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1217
1218 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1219
1220         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1221
1222 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1223
1224         PR bootstrap/43964
1225         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1226         only if HONOR_REG_ALLOC_ORDER is not defined.
1227
1228 2010-05-04  Richard Guenther  <rguenther@suse.de>
1229
1230         PR tree-optimization/43949
1231         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1232         TRUNC_MOD_EXPR.
1233
1234 2010-04-26  Jason Merrill  <jason@redhat.com>
1235
1236         * c.opt (-fstrict-enums): New.
1237         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1238
1239 2010-05-03  David Ung <davidu@mips.com>
1240             James E. Wilson  <wilson@codesourcery.com>
1241
1242         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1243         emit the trap instruction before the divide for TUNE_74K.
1244
1245 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1246
1247         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1248         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1249         based on the above, for new target hook.
1250
1251         * hooks.c (hook_bool_mode_true): New generic hook.
1252         * hooks.h (hook_bool_mode_true): Add prototype.
1253
1254         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1255         target hook.
1256         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1257         target hook, set to hook_bool_mode_false.
1258         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1259         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1260         with targetm.small_register_classes_for_mode_p.
1261         (find_reusable_reload): Likewise.
1262         (combine_reloads): Likewise.
1263         * reload1.c (reload_as_needed): Likewise.
1264         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1265         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1266         dead_or_predicable): Likewise.
1267         * regmove.c (optimize_reg_copy_1): Likewise.
1268         * calls.c (prepare_call_address): Likewise.
1269         (precompute_register_parameters): Likewise.
1270
1271         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1272         hook definition.
1273         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1274         implementation of the hook that considers all register classes
1275         small except for SH64.
1276         (sh_override_options): Use the new hook.
1277         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1278         Add prototype.
1279
1280         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1281         hook definition.
1282         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1283         implementation of the hook that considers all register classes
1284         small for THUMB1.
1285         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1286         Add prototype.
1287
1288         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1289         hook definition.
1290         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1291         implementation of the hook that considers all register classes
1292         small for MIPS16.
1293         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1294         Add prototype.
1295
1296         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1297         hook definition.
1298         * config/m32c/m32c.h: Likewise.
1299         * config/pdp11/pdp11.h: Likewise.
1300         * config/avr/avr.h: Likewise.
1301         * config/xtensa/xtensa.h: Likewise.
1302         * config/m68hc11/m68hc11.h: Likewise.
1303         * config/mn10300/mn10300.h: Likewise.
1304         * config/mcore/mcore.h: Likewise.
1305         * config/h8300/h8300.h: Likewise.
1306         * config/bfin/bfin.h: Likewise.
1307
1308         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1309         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1310
1311 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1312
1313         * double-int.h (tree_to_double_int): Remove macro.
1314         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1315         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1316         (tree_to_double_int): New function.
1317         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1318         Move ...
1319         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1320
1321 2010-05-03  Richard Guenther  <rguenther@suse.de>
1322
1323         PR tree-optimization/43971
1324         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1325         constraints in the !flag_delete_null_pointer_checks case.
1326
1327 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1328
1329         PR debug/43972
1330         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1331         result mode matches original rtl mode.
1332
1333 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1334
1335         PR target/43888
1336         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1337
1338 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1339
1340         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1341         when processing flag options.
1342
1343 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1344
1345         * gcov-iov.c (main): Change format string placeholder
1346         from %#08x to 0x%08x.
1347         * genchecksum.c (dosum): Change format string placeholder
1348         from %#02x to 0x%02x.
1349
1350 2010-05-02  Richard Guenther  <rguenther@suse.de>
1351
1352         PR tree-optimization/43879
1353         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1354
1355 2010-05-02  Bruno Haible  <bruno@clisp.org>
1356
1357         * doc/extend.texi (Function Attributes): Fix a typo.
1358
1359 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1360
1361         Revert:
1362         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1363         placeholder from 0x%x to %#x.
1364         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1365         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1366         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1367         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1368         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1369         * config/i386/i386.c (ix86_target_string): Ditto.
1370         * config/i386/i386.c (output_pic_addr_const): Ditto.
1371         (print_operand): Ditto.
1372
1373 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1374
1375         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1376         placeholder from 0x%x to %#x.
1377         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1378         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1379         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1380         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1381         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1382         * optc-gen.awk: Ditto.
1383         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1384         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1385         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1386         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1387
1388 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1389
1390         * target.h (struct calls): Add function_value_regno_p field.
1391         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1392         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1393         * targhooks.c (default_function_value_regno_p): New function.
1394         * targhooks.h (default_function_value_regno_p): Declare function.
1395         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1396         * builtins.c. (apply_result_size): (Ditto.).
1397         * combine.c. (likely_spilled_retval_p): (Ditto.).
1398         * mode-switching.c. Include 'target.h'.
1399         (create_pre_exit): Use function_value_regno_p hook.
1400         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1401         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1402         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1403
1404         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1405         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1406         (ix86_function_value_regno_p): Declare as static, change argument
1407         type to const unsigned int.
1408         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1409
1410 2010-05-01  Richard Guenther  <rguenther@suse.de>
1411
1412         PR tree-optimization/43949
1413         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1414         types.
1415         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1416
1417 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1418
1419         * rtl.h (CONST_DOUBLE_P): Define.
1420         (rtx_to_double_int): Declare.
1421         * emit-rtl.c (rtx_to_double_int): New function.
1422         * dwarf2out.c (insert_double): New function.
1423         (loc_descriptor, add_const_value_attribute): Clean up, use
1424         rtx_to_double_int and insert_double functions.
1425
1426 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1427
1428         * doc/extend.texi (Inline): Add missing return keyword to examples.
1429         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1430         "command-line".
1431
1432 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1433
1434         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1435         the variable part of the offset as well.  Use highest_pow2_factor for
1436         all alignment checks.
1437
1438 2010-04-30  Richard Guenther  <rguenther@suse.de>
1439
1440         PR tree-optimization/43879
1441         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1442         can have pointers.
1443
1444 2010-04-30  Jan Hubicka  <jh@suse.cz>
1445
1446         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1447         varpool.
1448         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1449
1450 2010-04-30  Jan Hubicka  <jh@suse.cz>
1451
1452         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1453         New.
1454         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1455         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1456         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1457         cgraph_node_set_needs_ltrans_p): Remove.
1458
1459 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1460
1461         * sdbout.c: Include vec.h, do not include varray.h.
1462         (deferred_global_decls, sdbout_global_decl,
1463         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1464         * toplev.c: Do not include varray.h.
1465         (dump_memory_report): Do not dump VARRAY statistics.
1466         * gengtype.c (open_base_file): Ignore varray.h.
1467         * Makefile.in: Update for abovementioned changes.
1468         Remove all traces of varray.c and varray.h.
1469         * varray.c: Remove file.
1470         * varray.h: Remove file.
1471
1472 2010-04-30  Jan Hubicka  <jh@suse.cz>
1473
1474         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1475         references.
1476
1477 2010-04-30  Jan Hubicka  <jh@suse.cz>
1478
1479         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1480         needed.
1481
1482 2010-04-30  Richard Guenther  <rguenther@suse.de>
1483
1484         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1485         constraints for CONSTRUCTOR.
1486
1487 2010-04-30  Richard Guenther  <rguenther@suse.de>
1488
1489         PR lto/43946
1490         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1491         first after all lowering passes.
1492
1493 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1494
1495         * toplev.c: Include varray.h for statistics dumping.
1496         * tree.h: Do not declare varray_head_tag.
1497         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1498         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1499         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1500         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1501         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1502         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1503         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1504         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1505         include varray.h.
1506         * Makefile.in: Update for abovementioned changes.
1507
1508 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1509
1510         PR debug/43942
1511         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1512
1513 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1514
1515         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1516         Use this function to do machine-specific conversion.
1517         (picochip_legitimize_reload_address): Likewise.
1518         (picochip_legitimate_address_p): Check valid base register only if
1519         strict.
1520         (picochip_check_conditional_copy): Check for modw only if opnd is
1521         register.
1522         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1523         to call the function in c.
1524         * config/picochip/picochip-protos.h
1525         (picochip_legitimize_reload_address): Define.
1526         * config/picochip/picochip.md (supported_compare1): Define.
1527
1528 2010-04-30  Jan Hubicka  <jh@suse.cz>
1529
1530         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1531         (cgraph_global_info): Remove inlined.
1532         (LTO_cgraph_tag_names): Remove.
1533         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1534         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1535         simplify cgraph tags and document.
1536         (lto_output_node): Use only LTO_cgraph_unavail_node and
1537         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1538         for_functions_valid, global info, process and output flags.
1539         (input_overwrite_node): Initialize estimated stack size and
1540         estimated growth.  Do not read flags we no longer store.
1541         (input_node): Likewise do not read info no longer stored.
1542         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1543         flag.
1544
1545 2010-04-30  Richard Guenther  <rguenther@suse.de>
1546
1547         PR tree-optimization/43879
1548         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1549         handle non-zero initializers.
1550
1551 2010-04-30  Richard Guenther  <rguenther@suse.de>
1552
1553         * builtins.c (fold_builtin_1): Delete free (0).
1554
1555 2010-04-29  Jan Hubicka  <jh@suse.cz>
1556
1557         * gengtype.c (open_base_files): Add lto-streamer.h
1558         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1559         (pass_ipa_cp): GGC collect.
1560         * toplev. (compile_file): Do not output symbols.
1561         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1562         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1563         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1564         * lto-section-in.c: Include ggc.h
1565         (lto_new_in_decl_state): Alloc in GGC.
1566         (lto_delete_in_decl_state): Likewise.
1567         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1568         Collect.
1569
1570 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1571
1572         PR target/42895
1573         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1574         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1575         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1576         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1577         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1578         account only if HONOR_REG_ALLOC_ORDER is not defined.
1579         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1580         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1581
1582 2010-04-29  Jon Grant  <04@jguk.org>
1583
1584         * collect2.c (vflag): Change type from int to bool.
1585         (debug): Likewise.
1586         (helpflag): New global bool.
1587         (main): Set vflag and debug with boolean, not integer truth values.
1588         Accept new "--help" option and output usage text if found.
1589         * collect2.h (vflag): Update prototype.
1590         (debug): Likewise.
1591
1592 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1593
1594         PR bootstrap/43936
1595         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1596
1597 2010-04-29  Richard Guenther  <rguenther@suse.de>
1598
1599         PR bootstrap/43935
1600         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1601         with ATTRIBUTE_UNUSED.
1602
1603 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1604
1605         PR target/43921
1606         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1607         INSN_P with NONDEBUG_INSN_P.
1608         (distance_non_agu_define): Likewise.
1609         (distance_agu_use): Likewise.
1610
1611 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1612
1613         From Dominique d'Humieres <dominiq@lps.ens.fr>
1614         PR bootstrap/43858
1615         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1616         test_set.
1617
1618 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1619
1620         * plugin.h (invoke_plugin_callbacks): New inline function.
1621         * plugin.c (flag_plugin_added): New global flag.
1622         (add_new_plugin): Initialize above flag.
1623         (invoke_plugin_callbacks): Rename to ...
1624         (invoke_plugin_callbacks_full): ... this.
1625
1626 2010-04-28  Jan Hubicka  <jh@suse.cz>
1627
1628         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1629         (lto_varpool_replace_node): New.
1630         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1631         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1632         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1633         * cgraph.h (varpool_node_ptr): New type.
1634         (varpool_node_ptr): New vector.
1635         (varpool_node_set_def): New structure.
1636         (varpool_node_set): New type.
1637         (varpool_node_set): New vector.
1638         (varpool_node_set_element_def): New structure.
1639         (varpool_node_set_element, const_varpool_node_set_element): New types.
1640         (varpool_node_set_iterator): New type.
1641         (varpool_node): Add prev pointers, add used_from_other_partition,
1642         in_other_partition.
1643         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1644         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1645         varpool_get_node, varpool_remove_node): Declare.
1646         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1647         varpool_node_set_size): New inlines.
1648         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1649         * tree-pass.h (varpool_node_set_def): Forward declare.
1650         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1651         (ipa_write_optimization_summaries): Update prototype.
1652         * ipa-cp.c (ipcp_write_summary): Update.
1653         * ipa-reference.c (ipa_reference_write_summary): Update.
1654         * lto-cgraph.c (lto_output_varpool_node): New static function.
1655         (output_varpool): New function.
1656         (input_varpool_node): New static function.
1657         (input_varpool_1): New function.
1658         (input_cgraph): Input varpool.
1659         * ipa-pure-const.c (pure_const_write_summary): Update.
1660         * lto-streamer-out.c (lto_output): Update, output varpool too.
1661         (write_global_stream): Kill WPA hack.
1662         (produce_asm_for_decls): Update.
1663         (output_alias_pair_p): Handle variables.
1664         (output_unreferenced_globals): Output only needed partition of varpool.
1665         * ipa-inline.c (inline_write_summary): Update.
1666         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1667         cgraph.
1668         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1669         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1670         varpool_node_set_new, varpool_node_set_add,
1671         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1672         debug_varpool_node_set): New functions.
1673         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1674         (execute_one_pass): Process new decls too.
1675         (ipa_write_summaries_2): Pass around vsets.
1676         (ipa_write_summaries_1): Likewise.
1677         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1678         to add.
1679         (ipa_write_optimization_summaries_1): Pass around vsets.
1680         (ipa_write_optimization_summaries): Likewise.
1681         * varpool.c (varpool_get_node): New.
1682         (varpool_node): Update doubly linked lists.
1683         (varpool_remove_node): New.
1684         (dump_varpool_node): More dumping.
1685         (varpool_enqueue_needed_node): Update doubly linked lists.
1686         (decide_is_variable_needed): Kill ltrans hack.
1687         (varpool_finalize_decl): Kill lto hack.
1688         (varpool_assemble_decl): Skip decls in other partitions.
1689         (varpool_assemble_pending_decls): Update doubly linkes lists.
1690         (varpool_empty_needed_queue): Likewise.
1691         (varpool_extra_name_alias): Likewise.
1692         * lto-streamer.c (lto_get_section_name): Add vars section.
1693         * lto-streamer.h (lto_section_type): Update.
1694         (output_varpool, input_varpool): Declare.
1695
1696 2010-04-28  Mike Stump  <mikestump@comcast.net>
1697
1698         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1699
1700 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1701
1702         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1703         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1704         (lto_input_ts_type_tree_pointers): Likewise.
1705         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1706         (lto_output_ts_type_tree_pointers): Likewise.
1707
1708 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1709
1710         Uniquization of constants at the Tree level
1711         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1712         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1713         bit to the end.
1714         (tree_output_constant_def): Declare.
1715         * gimplify.c (gimplify_init_constructor): When using block copy, first
1716         uniquize the constant constructor on the RHS.
1717         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1718         DECL_IN_CONSTANT_POOL flag.
1719         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1720         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1721         constant pool.
1722         (assemble_variable): Deal with symbols belonging to the tree constant
1723         pool.
1724         (get_constant_section): Add ALIGN parameter and simplify.
1725         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1726         (assemble_constant_contents): Use the expression of the VAR_DECL.
1727         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1728         (tree_output_constant_def): New global function.
1729         (mark_constant): Use the expression of the VAR_DECL.
1730         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1731         its expression.
1732         (output_object_block): Likewise and assemble the expression.
1733
1734 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1735
1736         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1737         hash_tree, eq_tree): New tree hash table.
1738         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1739         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1740         lto_orig_address_remove): Reimplement.
1741
1742 2010-04-28  Xinliang David Li  <davidxl@google.com>
1743
1744         PR c/42643
1745         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1746         (compute_uninit_opnds_pos): New function.
1747         (is_non_loop_exit_postdominating): New function.
1748         (compute_control_dep_chain): New function.
1749         (find_pdom): New function.
1750         (convert_control_dep_chain_into_preds): New function.
1751         (find_predicates): New function.
1752         (find_control_equiv_block): New function.
1753         (collect_phi_def_edges): New function.
1754         (find_def_preds): New function.
1755         (find_dom): New function.
1756         (dump_predicates): New function.
1757         (get_cmp_code): New function.
1758         (is_value_included_in): New function.
1759         (find_matching_predicate_in_rest_chains): New function.
1760         (use_pred_not_overlap_with_undef_path_pred): New function.
1761         (is_use_properly_guarded): New function.
1762         (normalize_cond_1): New function.
1763         (is_and_or_or): New function.
1764         (normalize_cond): New function.
1765         (is_gcond_subset_of): New function.
1766         (is_subset_of_any): New function.
1767         (is_or_set_subset_of): New function.
1768         (is_and_set_subset_of): New function.
1769         (is_norm_cond_subset_of): New function.
1770         (is_pred_expr_subset_of): New function.
1771         (is_pred_chain_subset_of): New function.
1772         (is_included_in): New function.
1773         (is_superset_of): New function.
1774         (find_uninit_use): New function.
1775         (warn_uninitialized_phi): New function.
1776         (compute_possibly_undefined_names): New function.
1777         (ssa_undefined_value_p): New function.
1778         (execute_late_warn_uninitialized): New function.
1779         * tree-ssa.c (ssa_undefined_value_p): Removed.
1780         (warn_uninit): Changed to extern.
1781         (warn_uninitialized_phi): Removed.
1782         (warn_uninitialized_vars): Changed to extern.
1783         (execute_late_warn_uninitialized): Removed
1784         * tree-flow.h: Add new prototypes.
1785         * timevar.def: Add new time variable.
1786         * Makefile.in: Add new build file.
1787
1788 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1791         type if available.
1792
1793 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1794
1795         PR target/22224
1796         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1797
1798 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1799
1800         * cgraph.h (struct cgraph_node): New field indirect_calls.
1801         (struct cgraph_indirect_call_info): New type.
1802         (struct cgraph_edge): Removed field indirect_call. New fields
1803         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1804         (cgraph_create_indirect_edge): Declare.
1805         (cgraph_make_edge_direct): Likewise.
1806         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1807         * ipa-prop.h (struct ipa_param_call_note): Removed.
1808         (struct ipa_node_params): Removed field param_calls.
1809         (ipa_create_all_structures_for_iinln): Declare.
1810         * cgraph.c: Described indirect edges and uids in initial comment.
1811         (cgraph_add_edge_to_call_site_hash): New function.
1812         (cgraph_edge): Search also among the indirect edges, use
1813         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1814         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1815         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1816         site hash.
1817         (initialize_inline_failed): Assign a reason to indirect edges.
1818         (cgraph_create_edge_1): New function.
1819         (cgraph_create_edge): Moved some functionality to
1820         cgraph_create_edge_1.
1821         (cgraph_create_indirect_edge): New function.
1822         (cgraph_edge_remove_callee): Add an assert checking for
1823         non-indirectness.
1824         (cgraph_edge_remove_caller): Special-case indirect edges.
1825         (cgraph_remove_edge): Likewise.
1826         (cgraph_set_edge_callee): New function.
1827         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1828         (cgraph_make_edge_direct): New function.
1829         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1830         the declaration of the call statement matches.
1831         (cgraph_node_remove_callees): Special-case indirect edges.
1832         (cgraph_clone_edge): Likewise.
1833         (cgraph_clone_node): Clone also the indirect edges.
1834         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1835         indirect_call, dump count of indirect_calls edges.
1836         * ipa-prop.c (iinlining_processed_edges): New variable.
1837         (ipa_note_param_call): Create indirect edges instead of
1838         creating notes.  New parameter node.
1839         (ipa_analyze_call_uses): New parameter node, pass it on to
1840         ipa_note_param_call.
1841         (ipa_analyze_stmt_uses): Likewise.
1842         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1843         (print_edge_addition_message): Work on edges rather than on notes.
1844         (update_call_notes_after_inlining): Likewise, renamed to
1845         update_indirect_edges_after_inlining.
1846         (ipa_create_all_structures_for_iinln): New function.
1847         (ipa_free_node_params_substructures): Do not free notes.
1848         (ipa_edge_duplication_hook): Propagate bits within
1849         iinlining_processed_edges bitmap.
1850         (ipa_node_duplication_hook): Do not duplicate notes.
1851         (free_all_ipa_structures_after_ipa_cp): Renamed to
1852         ipa_free_all_structures_after_ipa_cp.
1853         (free_all_ipa_structures_after_iinln): Renamed to
1854         ipa_free_all_structures_after_iinln.
1855         (ipa_write_param_call_note): Removed.
1856         (ipa_read_param_call_note): Removed.
1857         (ipa_write_indirect_edge_info): New function.
1858         (ipa_read_indirect_edge_info): Likewise.
1859         (ipa_write_node_info): Do not stream notes, do stream information
1860         in indirect edges.
1861         (ipa_read_node_info): Likewise.
1862         (lto_ipa_fixup_call_notes): Removed.
1863         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1864         * ipa-inline.c (pass_ipa_inline): Likewise.
1865         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1866         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1867         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1868         is_gimple_call.
1869         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1870         edges.
1871         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1872         (output_cgraph): Stream also indirect edges.
1873         (lto_output_edge): Added capability to stream indirect edges.
1874         (input_edge): Likewise.
1875         (input_cgraph_1): Likewise.
1876         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1877         of indirect edges.
1878
1879 2010-04-28  Richard Guenther  <rguenther@suse.de>
1880
1881         PR tree-optimization/43879
1882         PR tree-optimization/43909
1883         * tree-ssa-structalias.c (struct variable_info): Add
1884         only_restrict_pointers flag.
1885         (new_var_info): Initialize it.  Increment stats.total_vars here.
1886         (create_function_info_for): Do not increment stats.total_vars here.
1887         (get_function_part_constraint): Fix build with C++.
1888         (insert_into_field_list): Remove.
1889         (push_fields_onto_fieldstack): Properly merge fields.
1890         (create_variable_info_for): Split and simplify.
1891         (create_variable_info_for_1): New piece.
1892         (intra_create_variable_infos): Properly make restrict constraints
1893         from parameters.
1894
1895 2010-04-28  Richard Guenther  <rguenther@suse.de>
1896
1897         PR c++/43880
1898         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1899
1900 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1901             Jan Hubicka <hubicka@ucw.cz>
1902
1903         * doc/invoke.texi (-Wsuggest-attribute=const,
1904         -Wsuggest-attribute=pure): Document.
1905         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1906         (function_always_visible_to_compiler_p,
1907         suggest_attribute, warn_function_pure, warn_function_const):
1908         New functions.
1909         (check_call): Improve debug info.
1910         (analyze_function): Do not check availability.
1911         (add_new_function): Check availability.
1912         (propagate): Output warnings.
1913         (skip_function_for_local_pure_const): New function.
1914         (local_pure_const): Use it; output warnings.
1915         * common.opt (Wsuggest-attribute=const,
1916         Wsuggest-attribute=pure): New.
1917
1918 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1919
1920         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1921         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1922         or DW_CFA_def_cfa_offset{,_sf}.
1923
1924 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1925
1926         * tree.h: Fix truncated long macros.
1927
1928 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1929
1930         * collect2.c (TARGET_64BIT): Redefine to target's default.
1931         * tlink.c: Likewise.
1932         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1933         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1934         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1935         for underscoring __USER_LABEL_PREFIX__.
1936         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1937         (SUB_LINK_ENTRY32): New.
1938         (SUB_LINK_ENTRY64): New.
1939         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1940         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1941         (SUB_LINK_ENTRY64): New.
1942         (SUB_LINK_ENTRY): New.
1943         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1944         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1945         x64 target is choosen.
1946         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1947         * configure: Regenerated.
1948         * configure.ac (leading-mingw64-underscores): Option added.
1949
1950 2010-04-27  Jan Hubicka  <jh@suse.cz>
1951
1952         * doc/invoke.texi (-fipa-profile): Document.
1953         * opts.c (decode_options): Enable ipa-profile at -O1.
1954         * timevar.def (TV_IPA_PROFILE): Define.
1955         * common.opt (fipa-profile): Add.
1956         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1957         flag for clones.
1958         (cgraph_propagate_frequency): Handle only local ones.
1959         * tree-pass.h (pass_ipa_profile): Declare.
1960         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1961         (pass_ipa_profile): Use TV_IPA_PROFILE.
1962         * ipa.c (ipa_profile): New function.
1963         (gate_ipa_profile): Likewise.
1964         (pass_ipa_profile): New global variable.
1965         * passes.c (pass_ipa_profile): New.
1966
1967 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1968
1969         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1970
1971 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1972
1973         PR middle-end/43812
1974         * ipa.c (dissolve_same_comdat_group_list): New function.
1975         (function_and_variable_visibility): Call
1976         dissolve_same_comdat_group_list when comdat group contains external or
1977         newly local nodes.
1978         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1979         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1980
1981 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1982
1983         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1984         (const_hash_1) <VECTOR_CST>: New case.
1985         (compare_constant) <VECTOR_CST>: Likewise.
1986         <ADDR_EXPR>: Deal with LABEL_REFs.
1987         (copy_constant) <VECTOR_CST>: New case.
1988
1989 2010-04-27  Jan Hubicka  <jh@suse.cz>
1990
1991         * cgraph.c (cgraph_propagate_frequency): New function.
1992         * cgraph.h (cgraph_propagate_frequency): Declare.
1993         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1994         cgraph_propagate_frequency.
1995
1996 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1997
1998         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1999
2000 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2001
2002         PR target/40657
2003         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2004         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2005         here to determine which regs to push and how much stack to reserve.
2006
2007 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2008
2009         * doc/gimple.texi (gimple_statement_with_ops): Remove
2010         addresses_taken field.
2011         (gimple_statement_with_memory_ops): Likewise.
2012
2013 2010-04-27  Jan Hubicka  <jh@suse.cz>
2014
2015         * tree-inline.c (eni_inlining_weights): Remove.
2016         (estimate_num_insns): Special case more builtins.
2017
2018 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2019
2020         PR c/32207
2021         * c-typeck.c (build_binary_op): Move forward check for comparison
2022         pointer with null pointer constant and adjust the diagnostic message.
2023
2024 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2025
2026         PR lto/42776
2027         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2028         binutils supports extended .section directive needed by LTO, or
2029         warn if older binutils found.
2030         (LTO_BINARY_READER): New AC_SUBST'd variable.
2031         (LTO_USE_LIBELF): Likewise.
2032         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2033         variable.
2034         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2035         (LTO_USE_LIBELF): Likewise.
2036         * configure: Regenerate.
2037
2038         * collect2.c (is_elf): Rename from this ...
2039         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2040          object files in addition to ELF-formatted ones.
2041         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2042         symbol to be prefixed or not by an extra underscore.
2043
2044         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2045         * config/i386/winnt.c: Also #include lto-streamer.h
2046         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2047         LTO named sections.
2048         (i386_pe_asm_output_aligned_decl_common): Add comment.
2049         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2050
2051 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2052
2053         PR target/43889
2054         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2055         Add missing earlyclobber for second alternative.
2056
2057 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2058
2059         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2060         bits for artificial defs at the top of the block.
2061         * fwprop.c (single_def_use_enter_block): Don't call it.
2062
2063 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2064
2065         PR 43715
2066         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2067         instead of "$gcc_cv_objdump -T".
2068         Use "-undefined dynamic_lookup" on darwin.
2069         * gcc/configure: Regenerate.
2070
2071 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR c/43893
2074         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2075
2076 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2077
2078         * c-parser.c (struct c_token): Move location field up.
2079         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2080         (struct c_declspecs): Convert typespec_word, storage_class, and
2081         default_int_p into bitfields.
2082         (struct c_declarator): Move loc field up.
2083
2084 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2085
2086         * cfgloop.h (struct loop): Move can_be_parallel field up.
2087         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2088         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2089         down.
2090         (struct iv_cand): Convert pos field into a bitfield.
2091         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2092         field up.
2093         (struct _stmt_vec_info): Shuffle fields for better packing.
2094
2095 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2096
2097         * varasm.c (IN_NAMED_SECTION): Remove guard.
2098         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2099         (IN_NAMED_SECTION_P): ...this.
2100         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2101         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2102
2103 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2104
2105         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2106         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2107         of shadowing it.  Fix comments.
2108
2109 2010-04-26  Jan Hubicka  <jh@suse.cz>
2110
2111         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2112         (cgraph_clone_node): Copy function frequency.
2113         * cgraph.h (node_frequency): New enum
2114         (struct cgraph_node): Add.
2115         * final.c (rest_of_clean_state): Update.
2116         * lto-cgraph.c (lto_output_node): Output node frequency.
2117         (input_overwrite_node): Input node frequency.
2118         * tre-ssa-loop-ivopts (computation_cost): Update.
2119         * lto-streamer-out.c (output_function): Do not output function
2120         frequency.
2121         * predict.c (maybe_hot_frequency_p): Update and handle functions
2122         executed once.
2123         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2124         attribute lookup.
2125         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2126         (compute_function_frequency): Set noreturn functions to be executed
2127         once.
2128         (choose_function_section): Update.
2129         * lto-streamer-in.c (input_function): Do not input function frequency.
2130         * function.c (allocate_struct_function): Do not initialize function
2131         frequency.
2132         * function.h (function_frequency): Remove.
2133         (struct function): Remove function frequency.
2134         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2135         (try_update): Update.
2136         * tree-inline.c (initialize_cfun): Do not update function frequency.
2137         * passes.c (pass_init_dump_file): Update.
2138         * i386.c (ix86_compute_frame_layout): Update.
2139         (ix86_pad_returns): Update.
2140
2141 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2142
2143         PR tree-optimization/43833
2144         * tree-vrp.c (range_int_cst_p): New.
2145         (range_int_cst_singleton_p): New.
2146         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2147         when both operands are constants.  Use range_int_cst_p in
2148         BIT_IOR_EXPR case.
2149
2150 2010-04-26  Jan Hubicka  <jh@suse.cz>
2151
2152         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2153
2154 2010-04-26  Richard Guenther  <rguenther@suse.de>
2155
2156         PR lto/43080
2157         * gimple.c (gimple_decl_printable_name): Deal gracefully
2158         with a NULL DECL_NAME.
2159
2160 2010-04-26  Richard Guenther  <rguenther@suse.de>
2161
2162         PR lto/42425
2163         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2164         if emitting debug information and it is either a function
2165         or a namespace decl.
2166
2167 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2168
2169         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2170         determine if the statement is vectorizable, and a macro to access it.
2171         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2172         Skip statements that can't be vectorized. If the analysis fails,
2173         mark the statement as unvectorizable if vectorizing basic block.
2174         (vect_compute_data_refs_alignment): Likewise.
2175         (vect_verify_datarefs_alignment): Skip statements marked as
2176         unvectorizable. Add print.
2177         (vect_analyze_group_access): Skip statements that can't be
2178         vectorized. If the analysis fails, mark the statement as
2179         unvectorizable if vectorizing basic block.
2180         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2181         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2182         generated stmts for SLP.
2183         (new_stmt_vec_info): Initialize the new field.
2184         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2185         statements marked as unvectorizable.
2186
2187 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2188
2189         * c-common.c (flag_isoc1x): New.
2190         (flag_isoc99): Update comment.
2191         * c-common.h (flag_isoc1x): New.
2192         (flag_isoc99): Update comment.
2193         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2194         __<type>_DECIMAL_DIG__.
2195         * c-opts.c (set_std_c1x): New.
2196         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2197         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2198         * c.opt (-std=c1x, -std=gnu1x): New options.
2199         * doc/cpp.texi: Mention -std=c1x.
2200         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2201         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2202         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2203         * doc/standards.texi: Mention C1X.
2204         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2205         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2206         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2207         Define for C1X.
2208
2209 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2210
2211         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2212         placeholder from 0x%x to %#x.
2213         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2214         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2215         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2216         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2217         * config/i386/i386.c (ix86_target_string): Ditto.
2218         (output_pic_addr_const): Ditto.
2219         (print_operand): Ditto.
2220
2221 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2222
2223         * combine.c (find_split_point): Add third argument.  Use it
2224         to find nested multiply-accumulate instructions.  Adjust calls.
2225         (try_combine): Adjust call to find_split_point.
2226
2227 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2228
2229         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2230
2231 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2232
2233         PR tree-optimization/41442
2234         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2235         (fold_binary_loc): Call it.
2236
2237 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2238
2239         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2240         * opts.c (common_handle_option): Allow disabling it.
2241         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2242
2243 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2244
2245         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2246         between modes if both types are integral.
2247
2248 2010-04-23  Richard Guenther  <rguenther@suse.de>
2249
2250         PR tree-optimization/43572
2251         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2252
2253 2010-04-23  Richard Guenther  <rguenther@suse.de>
2254
2255         PR lto/43455
2256         * tree-inline.c (tree_can_inline_p): Also check compatibility
2257         of return types.
2258
2259 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2260
2261         PR tree-optimization/43846
2262         * tree-sra.c (struct access): New flag grp_assignment_read.
2263         (build_accesses_from_assign): Set grp_assignment_read.
2264         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2265         (enum mark_read_status): New type.
2266         (analyze_access_subtree): Propagate grp_assignment_read, create
2267         accesses also if both direct_read and root->grp_assignment_read.
2268
2269 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2270
2271         PR middle-end/43835
2272         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2273         function does not have type attributes.
2274
2275 2010-04-23  Richard Guenther  <rguenther@suse.de>
2276
2277         PR lto/42653
2278         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2279         of FUNCTION_DECLs.
2280
2281 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2282
2283         * sese.h (create_if_region_on_edge): Remove.
2284
2285         * sese.c (create_if_region_on_edge): Make static.
2286
2287         * tree-inline.c: Do not include ggc.h.
2288
2289         * expr.c: Do not include ggc.h.
2290
2291         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2292         dependencies.
2293
2294 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2295
2296         PR target/43744
2297         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2298         in the middle of insns for casesi_worker_2.
2299
2300 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2301
2302         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2303
2304 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2305
2306         PR tree-optimization/43842
2307         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2308         loop unrolling in update of exit phis. Fix comment.
2309         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2310         least two reduction statements in the loop before starting SLP
2311         analysis.
2312
2313 2010-04-22  Nick Clifton  <nickc@redhat.com>
2314
2315         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2316
2317 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2318
2319         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2320         to simplify a + ~a.
2321
2322 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2323
2324         * tree-parloops.c (loop_parallel_p): New argument
2325         parloop_obstack.  Pass it down.
2326         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2327         pass it down, free it.
2328
2329         * tree-loop-linear.c (linear_transform_loops): Pass down
2330         lambda_obstack.
2331
2332         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2333         of type struct obstack *.
2334
2335         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2336         scratch_obstack.  Initialize it, pass down, free it.
2337
2338         * lambda.h (lambda_loop_new): Remove.
2339         (lambda_matrix_new, lambda_matrix_inverse)
2340         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2341         argument of type struct obstack *.
2342
2343         * lambda-trans.c (lambda_trans_matrix_new): New argument
2344         lambda_obstack.  Pass it down, use obstack allocation for ret.
2345         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2346         it down.
2347
2348         * lambda-mat.c (lambda_matrix_get_column)
2349         (lambda_matrix_project_to_null): Remove.
2350         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2351         allocation for mat.
2352         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2353         lambda_obstack.
2354
2355         * lambda-code.c (lambda_loop_new): New function.
2356         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2357         (lambda_compute_auxillary_space, lambda_compute_target_space)
2358         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2359         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2360         (build_access_matrix): New argument lambda_obstack.  Use obstack
2361         allocation for am.
2362         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2363         argument lambda_obstack.  Pass it down.
2364
2365 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2366
2367         * optabs.h (expand_widening_mult): Declare.
2368
2369 2010-04-22  Richard Guenther  <rguenther@suse.de>
2370
2371         PR tree-optimization/43845
2372         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2373         lookup the CALL_EXPR function and arguments.
2374
2375 2010-04-22  Nick Clifton  <nickc@redhat.com>
2376
2377         * config/stormy16/stormy16.c
2378         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2379         * config/stormy16/stormy16.h: Tidy up formatting.
2380         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2381         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2382         (ineqbranchsi): Delete pattern.
2383         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2384         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2385         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2386         stormy16-lib2-ucmpsi2.c.
2387
2388 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2389
2390         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2391         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2392         extra set merge_set_noclobber, and use it to relax the final test
2393         slightly.
2394         * df.h (df_simulate_find_noclobber_defs): Declare.
2395         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2396         conditional defs.
2397         (df_simulate_find_noclobber_defs): New function.
2398
2399 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2400
2401         * config/i386/i386.md: Use {} around multi-line preparation statements.
2402
2403 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2404
2405         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2406         (process_init_element): New argument of type struct obstack *.
2407
2408         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2409         (set_init_index, set_init_label, set_nonincremental_init)
2410         (set_nonincremental_init_from_string, find_init_member)
2411         (output_init_element, output_pending_init_elements)
2412         (process_init_element): New argument braced_init_obstack.  Pass it
2413         down.
2414         (push_range_stack, add_pending_init): New argument
2415         braced_init_obstack.  Use obstack allocation.
2416
2417         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2418         braced_init_obstack.  Pass it down.
2419         (c_parser_braced_init): New variables ret, braced_init_obstack.
2420         Initialize obstack, pass it down and finally free it.
2421
2422 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2423
2424         PR middle-end/29274
2425         * tree-pass.h (pass_optimize_widening_mul): Declare.
2426         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2427         gate_optimize_widening_mul): New static functions.
2428         (pass_optimize_widening_mul): New.
2429         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2430         <case MULT_EXPR>: Remove support for widening multiplies.
2431         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2432         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2433         simplify_gen_unary rather than directly building extensions.
2434         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2435         WIDEN_MULT_EXPR.
2436         * expmed.c (expand_widening_mult): New function.
2437         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2438
2439 2010-04-21  Jan Hubicka  <jh@suse.cz>
2440
2441         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2442         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2443         * lto-wpa-fixup.c: Remove.
2444         * Makefile.in (lto-wpa-fixup.o): Remove.
2445         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2446         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2447         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2448
2449 2010-04-21  Jan Hubicka  <jh@suse.cz>
2450
2451         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2452         add write_optimization_summary, read_optimization_summary.
2453         (ipa_write_summaries_of_cgraph_node_set): Remove.
2454         (ipa_write_optimization_summaries): Declare.
2455         (ipa_read_optimization_summaries): Declare.
2456         * ipa-cp.c (pass_ipa_cp): Update.
2457         * ipa-reference.c (pass_ipa_reference): Update.
2458         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2459         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2460         Update.
2461         * ipa-inline.c (pass_ipa_inline): Update.
2462         * ipa.c (pass_ipa_whole_program): Update.
2463         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2464         * passes.c (ipa_write_summaries_1): Do not test wpa.
2465         (ipa_write_optimization_summaries_1): New.
2466         (ipa_write_optimization_summaries): New.
2467         (ipa_read_summaries): Do not test ltrans.
2468         (ipa_read_optimization_summaries_1): New.
2469         (ipa_read_optimization_summaries): New.
2470
2471 2010-04-21  Jan Hubicka  <jh@suse.cz>
2472
2473         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2474         for boundary nodes.
2475         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2476
2477 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2478
2479         PR debug/40040
2480         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2481         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2482
2483 2010-04-21  Jan Hubicka  <jh@suse.cz>
2484
2485         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2486
2487 2010-04-21  Jan Hubicka  <jh@suse.cz>
2488
2489         * varpool.c (decide_is_variable_needed): Variable is always needed
2490         during ltrans.
2491
2492 2010-04-21  Jan Hubicka  <jh@suse.cz>
2493
2494         * opts.c (decode_options): Enable pure-const pass for whopr.
2495
2496 2010-04-21  Jan Hubicka  <jh@suse.cz>
2497
2498         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2499         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2500         at WPA dumping.
2501         (cgraph_decide_inlining): Do not expect callee to be removed in all
2502         cases.
2503
2504 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2505
2506         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2507
2508 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2509
2510         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2511         amdfam10_decode attributes.
2512
2513 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2514
2515         PR middle-end/43570
2516         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2517         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2518         (lower_copyprivate_clauses): Use private var in outer
2519         context instead of original var.  Make sure the types
2520         are correct for VLAs.
2521
2522 2010-04-21  Richard Guenther  <rguenther@suse.de>
2523
2524         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2525         to non-pointer objects.
2526
2527 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2528
2529         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2530         last chain entry if it starts with the still current label.
2531         (add_location_or_const_value_attribute): Check that
2532         loc_list->first->next is NULL instead of comparing ->first with ->last.
2533         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2534         to add_var_loc_to_decl.
2535
2536         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2537         >= 4 add also address size and segment size fields into CIE header.
2538
2539         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2540         long as address size is the same as sizeof (void *) and
2541         segment size is 0.
2542         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2543         address size or segment size is unexpected, return DW_EH_PE_omit.
2544         (classify_object_over_fdes): If get_cie_encoding returned
2545         DW_EH_PE_omit, return -1.
2546         (init_object): If classify_object_over_fdes returned -1,
2547         pretend there were no FDEs at all.
2548
2549 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2550
2551         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2552         bswap{si,di}2 using SWI48 mode iterator.
2553         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2554         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2555         set modrm attribute of bswap insn to 0 and remove length attribute.
2556         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2557         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2558         set mode attribute to <MODE> and remove length attribute.
2559
2560 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2561
2562         PR rtl-optimization/43520
2563         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2564         zero available registers.
2565
2566 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2567
2568         * builtins.c (fold_builtin_cproj): Fold more cases.
2569
2570 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2571
2572         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2573         (fold_builtin_1): Fold builtin cproj.
2574         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2575         Use ATTR_CONST_NOTHROW_LIST.
2576
2577 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2578
2579         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2580         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2581         ffsi2_no_cmove for !TARGET_CMOVE.
2582         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2583         (ffssi2): Remove expander.
2584         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2585         mode iterator.
2586         (ctz<mode>2): Ditto from ctz{si,di}2.
2587         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2588         mode iterator.
2589         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2590         mode iterator.
2591
2592 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2593
2594         * dwarf2out.c (AT_linkage_name): Define.
2595         (clone_as_declaration): Handle DW_AT_linkage_name.
2596         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2597         of DW_AT_MIPS_linkage_name.
2598         (move_linkage_attr): Likewise.
2599         (dwarf2out_finish): Likewise.
2600
2601 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2602
2603         PR middle-end/41952
2604         * fold-const.c (fold_comparison): New folding rule.
2605
2606 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2607
2608         * double-int.h (double_int_setbit): Declare.
2609         * double-int.c (double_int_setbit): New function.
2610         * rtl.h (immed_double_int_const): Declare.
2611         * emit-rtl.c (immed_double_int_const): New function.
2612         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2613         and immed_double_int_const functions.
2614         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2615         expand_copysign_bit):  (Ditto.).
2616         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2617         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2618         * dojump.c (prefer_and_bit_test): (Ditto.).
2619         * expr.c (convert_modes, reduce_to_bit_field_precision,
2620         const_vector_from_tree): (Ditto.).
2621         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2622
2623 2010-04-20  Jan Hubicka  <jh@suse.cz>
2624
2625         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2626         (dump_cgraph_node): Dump new flags.
2627         * cgraph.h (struct cgraph_node): Add flags
2628         reachable_from_other_partition and in_other_partition.
2629         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2630         other partition can not be removed.
2631         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2632         the other partition must be output; silence sanity checking on
2633         leaking functions bodies from other paritition.
2634         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2635         (lto_output_node): Output new flags; do not sanity check that inline
2636         clones are output; drop lto_forced_extern_inline_p code; do not mock
2637         visibility flags at partition boundaries.
2638         (add_node_to): New function.
2639         (output_cgraph): Use it to sort functions so masters appear before
2640         clones.
2641         (input_overwrite_node): Input new flags.
2642         * passes.c (ipa_write_summaries): Do not call
2643         lto_new_extern_inline_states.
2644         * lto-section-out.c (forced_extern_inline,
2645         lto_new_extern_inline_states lto_delete_extern_inline_states,
2646         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2647         * lto-streamer.h (lto_new_extern_inline_states,
2648         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2649         lto_forced_extern_inline_p): Kill.
2650
2651 2010-04-20  Richard Guenther  <rguenther@suse.de>
2652
2653         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2654         from vars that can have pointers.
2655         (process_constraint): Dump useless constraints.
2656
2657 2010-04-20  Richard Guenther  <rguenther@suse.de>
2658
2659         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2660         (dump_sa_points_to_info): Remove asserts.
2661         (init_base_vars): nothing_id isn't an escape point nor does it
2662         have pointers.
2663
2664 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2665
2666         * tree.h (TYPE_REF_IS_RVALUE): Define.
2667         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2668         should_move_die_to_comdat, prune_unused_types_walk): Handle
2669         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2670         (modified_type_die, gen_reference_type_die): Emit
2671         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2672         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2673
2674 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2675
2676         PR target/43635
2677         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2678         calls for -fpic -m31 if they have been sibcall optimized.
2679
2680 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2681
2682         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2683         ar.lc fixed and call-used.
2684
2685         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2686
2687 2010-04-19  Jan Hubicka  <jh@suse.cz>
2688
2689         * opts.c (decode_options): Disable whpr incompatible passes.
2690         * lto/lto.c (lto_1_to_1_map): Skip clones.
2691         (read_cgraph_and_symbols): Do not mark everything as needed.
2692         (do_whole_program_analysis): Do map only after optimizing;
2693         set proper cgraph_state; use passmanager.
2694
2695 2010-04-19  DJ Delorie  <dj@redhat.com>
2696
2697         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2698         POINTER_PLUS_EXPR and fix them.
2699
2700 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2701
2702         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2703         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2704         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2705         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2706         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2707         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2708         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2709         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2710         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2711         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2712         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2713
2714 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2715
2716         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2717         (check_cond_move_block): Likewise.
2718         (cond_move_process_if_block): Likewise.
2719         (noce_find_if_block): Improve formatting.
2720         (find_if_header): Pass 0 to memset and tweak conditions.
2721         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2722
2723 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2724
2725         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2726         for -gdwarf-4.
2727
2728         PR middle-end/43337
2729         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2730         with non-local decl doesn't need chain.
2731
2732 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2733
2734         * ira-color.c (allocno_reload_assign): Avoid accumulating
2735         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2736
2737 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2738
2739         * gimple.h (create_tmp_reg): Declare.
2740         * gimplify.c (create_tmp_reg): New function.
2741         (gimplify_return_expr): Use create_tmp_reg.
2742         (gimplify_omp_atomic): Likewise.
2743         (gimple_regimplify_operands): Likewise.
2744         * tree-dfa.c (make_rename_temp): Likewise.
2745         * tree-predcom.c (predcom_tmp_var): Likewise.
2746         (reassociate_to_the_same_stmt): Likewise.
2747         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2748         (get_replaced_param_substitute): Likewise.
2749         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2750         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2751         * tree-ssa-pre.c (get_representative_for): Likewise.
2752         (create_expression_by_pieces): Likewise.
2753         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2754         (create_tailcall_accumulator): Likewise.
2755
2756 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2757
2758         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2759         new_stmt.
2760         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2761
2762 2010-04-19  Richard Guenther  <rguenther@suse.de>
2763
2764         PR tree-optimization/43796
2765         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2766         from SCEV in the lattice.
2767         (vrp_visit_phi_node): Dump change.
2768
2769 2010-04-19  Richard Guenther  <rguenther@suse.de>
2770
2771         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2772         * configure: Re-generated.
2773
2774 2010-04-19  Richard Guenther  <rguenther@suse.de>
2775
2776         PR tree-optimization/43783
2777         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2778         constant ARRAY_REF operands two and three if possible.
2779
2780 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         PR target/43766
2783         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2784
2785 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2786
2787         PR target/43662
2788         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2789
2790 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2791
2792         PR tree-optimization/37027
2793         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2794         and macro to access it.
2795         (vectorizable_reduction): Add argument.
2796         (vect_get_slp_defs): Likewise.
2797         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2798         statements for possible use in SLP.
2799         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2800         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2801         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2802         add new argument.
2803         (vectorizable_reduction): Likewise.
2804         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2805         vect_get_slp_defs.
2806         (vectorizable_type_demotion, vectorizable_type_promotion,
2807         vectorizable_store): Likewise.
2808         (vect_analyze_stmt): Update call to vectorizable_reduction.
2809         (vect_transform_stmt): Likewise.
2810         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2811         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2812         from different interleaving chains in same node.
2813         (vect_slp_rearrange_stmts): New function.
2814         (vect_supported_load_permutation_p): Allow load permutations for
2815         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2816         inside SLP nodes if necessary.
2817         (vect_analyze_slp_instance): Handle reductions.
2818         (vect_analyze_slp): Try to build SLP instances originating from groups
2819         of reductions.
2820         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2821         (vect_get_constant_vectors): Create initial vectors for reductions
2822         according to reduction code. Add new argument.
2823         (vect_get_slp_defs): Add new argument, pass it to
2824         vect_get_constant_vectors.
2825         (vect_schedule_slp_instance): Remove SLP tree root statements.
2826
2827 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2828
2829         * tree.h (ENUM_IS_SCOPED): Define.
2830         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2831         for ENUM_IS_SCOPED enums.
2832
2833 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2834
2835         * fold-const.c (fold_comparison): Use ssizetype.
2836         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2837         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2838         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2839         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2840
2841         * tree.h (initialize_sizetypes): Remove parameter.
2842         (build_common_tree_nodes): Remove second parameter.
2843         * stor-layout.c (initialize_sizetypes): Remove parameter.
2844         Always create an unsigned type.
2845         (set_sizetype): Assert that the passed type is unsigned and simplify.
2846         * tree.c (build_common_tree_nodes): Remove second parameter.
2847         Adjust call to initialize_sizetypes.
2848         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2849         build_common_tree_nodes.
2850
2851 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2852
2853         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2854
2855 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2856
2857         PR tree-optimization/43771
2858         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2859         load permutation doesn't have gaps.
2860
2861 2010-04-18  Jan Hubicka  <jh@suse.cz>
2862
2863         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2864         (sse_prologue_save_insn expander): Use new pattern.
2865         (sse_prologue_save_insn1): New pattern and splitter.
2866         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2867         blocks.
2868         * i386.c (setup_incoming_varargs_64): Do not compute jump
2869         destination here.
2870         (ix86_gimplify_va_arg): Update alignment needed.
2871         (ix86_local_alignment): Do not align all local arrays to 128bit.
2872
2873 2010-04-17  Jan Hubicka  <jh@suse.cz>
2874
2875         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2876
2877 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2878
2879         * arm.md (negdi2): Remove redundant code to force values into a
2880         register.
2881
2882 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2883
2884         * arm/bpabi.S: Add EABI alignment attributes to objects.
2885         * arm/bpabi-v6m.S: Likewise.
2886         * arm/crti.asm: Likewise.
2887         * arm/crtn.asm: Likewise.
2888         * arm/lib1funcs.asm: Likewise.
2889         * arm/libunwind.S: Likewise.
2890
2891 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2892
2893         * arm-protos.h (tune_params): New structure.
2894         * arm.c (current_tune): New variable.
2895         (arm_constant_limit): Delete.
2896         (struct processors): Add pointer to the tune parameters.
2897         (arm_slowmul_tune): New tuning option.
2898         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2899         (all_cores): Adjust to pick up the tuning model.
2900         (arm_constant_limit): New function.
2901         (arm_override_options): Select the appropriate tuning model.  Delete
2902         initialization of arm_const_limit.
2903         (arm_split_constant): Use the new constant-limit model.
2904         (arm_rtx_costs): Pick up the current tuning model.
2905         * arm.md (is_strongarm, is_xscale): Delete.
2906         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2907         for Xscale variant architectures.
2908         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2909
2910 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2911
2912         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2913         can_shift.
2914         (arm_rtx_costs_1): Remove unused variable extra_cost.
2915         (arm_unwind_emit_set): Use variable offset.
2916         (thumb1_output_casesi): Remove unused variable flags.
2917
2918 2010-04-16  Jeff Law  <law@redhat.com>
2919
2920         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2921         needing assignment rather than doing a two-phase assignment.  Remove
2922         unused variable 'm'.
2923
2924 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2925
2926         PR bootstrap/43767
2927         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2928
2929 2010-04-16  Doug Kwan  <dougkwan@google.com>
2930
2931         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2932         (next_operand_entry_id): New static variable.
2933         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2934         (add_to_ops_vec): Assigned unique ID to operand entry.
2935         (struct oecount_s): New field ID.
2936         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2937         (undistribute_ops_list): Assign unique IDs to oecounts.
2938         (init_reassoc): reset next_operand_entry_id.
2939
2940 2010-04-16  Doug Kwan  <dougkwan@google.com>
2941
2942         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2943         missing left parenthesis.
2944
2945 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2946
2947         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2948         *btdi_rex64 using SWI48 mode iterator.
2949         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2950         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2951         *jcc_btdi_mask_rex64.
2952
2953 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2954
2955         * double-int.h (tree_to_double_int): Convert to macro.
2956         * double-int.c (tree_to_double_int): Remove.
2957
2958 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2959
2960         PR debug/43762
2961         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2962         with want_address 2 and in case a single element list might be
2963         possible, call it again with want_address 0.
2964
2965 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2966
2967         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2968         case 'W' print operands for HI mode.
2969         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2970         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2971         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2972         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2973
2974         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2975
2976         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2977         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2978         #xx:3 and #xx:4 mode.
2979
2980         * config/h8300/h8300.md (inverted load with HImode dest): Add
2981         support for H8300SX.
2982
2983         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2984         satisfy 'U' constraint.
2985
2986 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2987
2988         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2989         * configure: Regenerate.
2990         * config.in: Regenerate.
2991         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2992         works.
2993
2994 2010-04-16  Richard Guenther  <rguenther@suse.de>
2995
2996         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2997         (struct tree_decl_common): ... here.
2998         (DECL_PT_UID): Adjust.
2999         (SET_DECL_PT_UID): Likewise.
3000         (DECL_PT_UID_SET_P): Likewise.
3001
3002 2010-04-16  Richard Guenther  <rguenther@suse.de>
3003
3004         PR tree-optimization/43572
3005         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3006         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3007         * tree-flow.h (is_call_clobbered): Remove.
3008         * tree-flow-inline.h (is_call_clobbered): Likewise.
3009         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3010         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3011         (execute_return_slot_opt): Adjust.
3012         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3013         check for call clobbered vars here.
3014         (find_tail_calls): Move tailcall verification to the
3015         proper place.
3016
3017 2010-04-16  Diego Novillo  <dnovillo@google.com>
3018
3019         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3020
3021 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3022
3023         PR target/40603
3024         * config/arm/arm.md (cbranchqi4): New pattern.
3025         * config/arm/predicates.md (const0_operand,
3026         cbranchqi4_comparison_operator): New predicates.
3027
3028 2010-04-16  Richard Guenther  <rguenther@suse.de>
3029
3030         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3031         (dump_gimple_stmt): Likewise.
3032
3033 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3034
3035         * recog.h (struct recog_data): New field is_operator.
3036         (struct insn_operand_data): New field is_operator.
3037         * recog.c (extract_insn): Set recog_data.is_operator.
3038         * genoutput.c (output_operand_data): Emit code to set the
3039         is_operator field.
3040         * reload.c (find_reloads): Use it rather than testing for an
3041         empty constraint string.
3042
3043         PR target/41514
3044         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3045         If the previous insn is a cbranchsi4_insn with the same arguments,
3046         omit the compare instruction.
3047
3048         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3049         register, inputs must be low registers and we need a low register
3050         scratch.  Handle alternative 2 like alternative 3.
3051
3052 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3053
3054         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3055         don't call get_addr on both.  If one expression is a VALUE and
3056         the other a REG, check VALUE's locs if the REG isn't among them.
3057
3058 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3059
3060         * config/sh/sh.h (sh_frame_pointer_required): New function.
3061         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3062         (flag_omit_frame_pointer) Set.
3063         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3064         (rounded_frame_size): Adjust size with outgoing_args_size.
3065         (sh_set_return_address): Must return from stack pointer.
3066         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3067         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3068         (ACCUMULATE_OUTGOING_ARGS): Define.
3069         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3070         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3071
3072 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3073
3074         PR target/43471
3075         * config/sh/sh.c (sh_legitimize_reload_address): Use
3076         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3077         Remove a unneeded check for offset_base.
3078
3079 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3080
3081         * configure: Regenerated.
3082
3083 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3084
3085         * config/s390/s390.c (s390_call_save_register_used): Switch back
3086         to HARD_REGNO_NREGS.
3087
3088 2010-04-15  Richard Guenther  <rguenther@suse.de>
3089
3090         * alias.c (alias_set_subset_of): Handle alias-set zero
3091         child properly.
3092
3093 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3094             Julian Brown  <julian@codesourcery.com>
3095
3096         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3097         alternatives according to use of high and low regs.
3098         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3099         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3100         optimizing for size on Thumb-2.
3101
3102 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3103
3104         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3105
3106 2010-04-15  Richard Guenther  <rguenther@suse.de>
3107
3108         * tree-ssa-structalias.c (struct variable_info): Add
3109         is_fn_info flag.
3110         (new_var_info): Initialize it.
3111         (dump_constraints): Support printing last added constraints.
3112         (debug_constraints): Adjust.
3113         (dump_constraint_graph): Likewise.
3114         (make_heapvar_for): Check for NULL cfun.
3115         (get_function_part_constraint): New function.
3116         (get_fi_for_callee): Likewise.
3117         (find_func_aliases): Properly implement IPA PTA constraints.
3118         (process_ipa_clobber): New function.
3119         (find_func_clobbers): Likewise.
3120         (insert_into_field_list_sorted): Remove.
3121         (create_function_info_for): Properly allocate vars for IPA mode.
3122         Do not use insert_into_field_list_sorted.
3123         (create_variable_info_for): Properly generate constraints for
3124         global vars in IPA mode.
3125         (dump_solution_for_var): Always dump the solution.
3126         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3127         (find_what_var_points_to): Adjust.
3128         (pt_solution_set): Change.
3129         (pt_solution_ior_into): New function.
3130         (pt_solution_empty_p): Export.
3131         (pt_solution_includes_global): Adjust.
3132         (pt_solution_includes_1): Likewise.
3133         (pt_solutions_intersect_1): Likewise.
3134         (dump_sa_points_to_info): Check some invariants.
3135         (solve_constraints): Move constraint dumping ...
3136         (compute_points_to_sets): ... here.
3137         (ipa_pta_execute): ... and here.
3138         (compute_may_aliases): Do not re-compute points-to info
3139         locally if IPA info is available.
3140         (ipa_escaped_pt): New global var.
3141         (ipa_pta_execute): Properly implement IPA PTA.
3142         * tree-into-ssa.c (dump_decl_set): Support dumping
3143         decls not in referenced-vars.
3144         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3145         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3146         (dump_points_to_solution): Likewise.
3147         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3148         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3149         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3150         (copy_decl_to_var): Copy DECL_PT_UID.
3151         (copy_result_decl_to_var): Likewise.
3152         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3153         (copy_node_stat): Copy it.
3154         * tree.h (DECL_PT_UID): New macro.
3155         (SET_DECL_PT_UID): Likewise.
3156         (DECL_PT_UID_SET_P): Likewise.
3157         (struct tree_decl_minimal): Add pt_uid member.
3158         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3159         (pt_solution_empty_p): Declare.
3160         (pt_solution_set): Adjust.
3161         (ipa_escaped_pt): Declare.
3162         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3163         * gimple-pretty-print.c (pp_points_to_solution): New function.
3164         (dump_gimple_call): Dump call clobber/use information.
3165         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3166         * tree-pass.h (TDF_ALIAS): New dump option.
3167         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3168         * doc/invoke.texi (-fipa-pta): Update documentation.
3169
3170 2010-04-15  Richard Guenther  <rguenther@suse.de>
3171
3172         * Makefile.in (OBJS-common): Add gimple-fold.o.
3173         (gimple-fold.o): New rule.
3174         * tree.h (maybe_fold_offset_to_reference,
3175         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3176         prototypes ...
3177         * gimple.h: ... here.
3178         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3179         may_propagate_address_into_dereference): Move prototypes ...
3180         * gimple.h: ... here.
3181         * tree-ssa-ccp.c (get_symbol_constant_value,
3182         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3183         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3184         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3185         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3186         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3187         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3188         gimplify_and_update_call_from_tree): Move ...
3189         * gimple-fold.c: ... here.  New file.
3190         (ccp_fold_builtin): Rename to ...
3191         (gimple_fold_builtin): ... this.
3192         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3193
3194 2010-04-15  Richard Guenther  <rguenther@suse.de>
3195
3196         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3197         fit_double_type, force_fit_type_double, add_double_with_sign,
3198         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3199         lrotate_double, rrotate_double, div_and_round_double): Move ...
3200         * double-int.c: ... here.
3201         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3202         add_double, neg_double, mul_double_with_sign, mul_double,
3203         lshift_double, rshift_double, lrotate_double, rrotate_double,
3204         div_and_round_double): Move prototypes ...
3205         * double-int.h: ... here.
3206
3207 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3208
3209         PR target/43742
3210         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3211         matching constraints to ensure inputs match the output.
3212
3213 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3214
3215         PR target/43742
3216         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3217         in an input-only operand.
3218
3219 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3220
3221         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3222         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3223         (double_int_negative_p): Convert to static inline function.
3224         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3225         (double_int_negative_p): Remove.
3226         * tree.h (lshift_double, rshift_double):
3227         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3228         * fold-const.c (fold_convert_const_int_from_real,
3229         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3230         (lshift_double): Change type of arith argument to bool.
3231         (rshift_double): Change type of arith argument to bool. Correct
3232         comment.
3233         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3234
3235 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3236
3237         PR target/21803
3238         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3239         at the start and end of the then/else blocks, and omit them from the
3240         conversion.
3241         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3242         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3243         (flow_find_head_matching_sequence): New function.
3244         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3245         * basic-block.h (flow_find_cross_jump,
3246         flow_find_head_matching_sequence): Declare functions.
3247
3248 2010-04-14  Jason Merrill  <jason@redhat.com>
3249
3250         PR c++/36625
3251         * c-common.c (attribute_takes_identifier_p): New fn.
3252         * c-common.h: Declare it.
3253
3254 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3255
3256         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3257         splitter condition.
3258         (*udivmod<mode>4): Ditto.
3259
3260 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3261
3262         * config/i386/i386.md (maxmin_int): Rename code attribute from
3263         maxminiprefix and update all users.
3264         (maxmin_float): Ditto from maxminfprefix.
3265         (logic): Ditto from logicprefix.
3266         (absneg_mnemonic): Ditto from absnegprefix.
3267         * config/i386/mmx.md: Update all users of maxminiprefix,
3268         maxminfprefix and logicprefix for rename.
3269         * config/i386/sse.md: Ditto.
3270         * config/i386/sync.md (sync_<code><mode>): Update for
3271         logicprefix rename.
3272
3273 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3274
3275         PR 42966
3276         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3277         warnings converted to errors.
3278
3279 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3280
3281         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3282         used insn_type variable.
3283         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3284         to avoid set-but-not-used warning.
3285
3286 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3287
3288         * df-core.c (df_ref_debug): Change format string placeholder
3289         from 0x%x to %#x.
3290         * dwarf2asm.c (dw2_asm_output_data_raw,
3291         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3292         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3293         * dwarf2out.c (output_cfi, output_cfi_directive,
3294         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3295         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3296         Ditto.
3297         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3298         * print-rtl.c (print_rtx): Ditto.
3299
3300 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3301
3302         PR middle-end/42694
3303         * builtins.c (expand_builtin_pow_root): New function to expand pow
3304         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3305         series of sqrt and cbrt calls under -ffast-math.
3306         (expand_builtin_pow): Call it.
3307
3308 2010-04-14  Michael Matz  <matz@suse.de>
3309
3310         PR tree-optimization/42963
3311         * tree-cfg.c (touched_switch_bbs): New static variable.
3312         (group_case_labels_stmt): New function broken out from ...
3313         (group_case_labels): ... here, use the above.
3314         (start_recording_case_labels): Allocate touched_switch_bbs.
3315         (end_recording_case_labels): Deallocate it, call
3316         group_case_labels_stmt.
3317         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3318
3319 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3320
3321         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3322         from insn template.
3323
3324 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3325
3326         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3327
3328 2010-04-13  Jan Hubicka  <jh@suse.cz>
3329
3330         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3331         of optimized out static functions.
3332         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3333         cost computation.  Also sanity check for overflows.
3334         (update_caller_keys): Update cgraph_edge_badness call; properly
3335         update fibheap and sanity check that it is up to date.
3336         (add_new_edges_to_heap): Update cgraph_edge_badness.
3337         (cgraph_decide_inlining_of_small_function): Likewise;
3338         add sanity checking that badness in heap is up to date;
3339         improve dumping of reason; Update badness of calls to the
3340         offline copy of function currently inlined; dump badness
3341         of functions not inlined because of unit growth limits.
3342
3343 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3344
3345         PR middle-end/32628
3346         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3347         because of sign-extension change when converting to sizetype here...
3348         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3349
3350         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3351         the folding to constants.  Remove redundant final conversion.
3352         (fold_binary) <associate>: Do not associate if the re-association of
3353         constants alone overflows.
3354         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3355         to the end of the list.
3356         (multiple_of_p) <COND_EXPR>: New case.
3357
3358 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3359
3360         * opt-functions.awk (opt_sanitized_name): New.
3361         (opt_enum): New.
3362         * optc-gen.awk: Use it
3363         * opth-gen.awk: Use it.
3364
3365 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3366
3367         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3368         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3369         children.  Call replace_uses_with_default_def_ssa_name to handle
3370         SSA_NAES on lhs.
3371
3372 2010-04-13  Michael Matz  <matz@suse.de>
3373
3374         PR middle-end/43730
3375         * builtins.c (expand_builtin_interclass_mathfn): Also create
3376         a register if the predicate doesn't match.
3377
3378 2010-04-13  Diego Novillo  <dnovillo@google.com>
3379
3380         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3381         * c-pch.c: Include timevar.h.
3382         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3383         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3384         * ggc-common.c: Include timevar.h.
3385         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3386         * timevar.def (TV_PCH_SAVE): Define.
3387         (TV_PCH_CPP_SAVE): Define.
3388         (TV_PCH_PTR_REALLOC): Define.
3389         (TV_PCH_PTR_SORT): Define.
3390         (TV_PCH_RESTORE): Define.
3391         (TV_PCH_CPP_RESTORE): Define.
3392
3393 2010-04-13  Michael Matz  <matz@suse.de>
3394
3395         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3396         into MINUS_EXPRs.
3397         (can_reassociate_p): New function.
3398         (break_up_subtract_bb, reassociate_bb): Use it.
3399
3400 2010-04-13  Richard Guenther  <rguenther@suse.de>
3401
3402         PR bootstrap/43737
3403         * builtins.c (c_readstr): Fix assert.
3404
3405 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3406
3407         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3408         when generating cltd insn.
3409
3410         (*ashl<mode>3_1): Remove special handling for register operand 2.
3411         (*ashlsi3_1_zext): Ditto.
3412         (*ashlhi3_1): Ditto.
3413         (*ashlhi3_1_lea): Ditto.
3414         (*ashlqi3_1): Ditto.
3415         (*ashlqi3_1_lea): Ditto.
3416         (*<shiftrt_insn><mode>3_1): Ditto.
3417         (*<shiftrt_insn>si3_1_zext): Ditto.
3418         (*<shiftrt_insn>qi3_1_slp): Ditto.
3419         (*<rotate_insn><mode>3_1): Ditto.
3420         (*<rotate_insn>si3_1_zext): Ditto.
3421         (*<rotate_insn>qi3_1_slp): Ditto.
3422
3423 2010-04-13  Richard Guenther  <rguenther@suse.de>
3424
3425         * tree-ssa-structalias.c (callused_id): Remove.
3426         (call_stmt_vars): New.
3427         (get_call_vi): Likewise.
3428         (lookup_call_use_vi): Likewise.
3429         (lookup_call_clobber_vi): Likewise.
3430         (get_call_use_vi): Likewise.
3431         (get_call_clobber_vi): Likewise.
3432         (make_transitive_closure_constraints): Likewise.
3433         (handle_const_call): Adjust to do per-call call-used handling.
3434         (handle_pure_call): Likewise.
3435         (find_what_var_points_to): Remove general callused handling.
3436         (init_base_vars): Likewise.
3437         (init_alias_vars): Initialize call_stmt_vars.