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