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2010-05-14 Martin Jambor <mjambor@suse.cz>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-14  Martin Jambor  <mjambor@suse.cz>
2
3         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
4         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
5         * langhooks.h (struct lang_hooks_for_decls): Removed field
6         fold_obj_type_ref.
7         * tree.c (free_lang_data): Remove assignment to
8         lang_hooks.fold_obj_type_ref.
9         * tree.def (OBJ_TYPE_REF): Update comment.
10
11 2010-05-14  Richard Guenther  <rguenther@suse.de>
12
13         PR tree-optimization/44124
14         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
15
16 2010-05-14  Alan Modra  <amodra@gmail.com>
17
18         PR target/44075
19         * config/rs6000/rs6000.c (struct machine_function): Reorder
20         fields for better packing.  Add lr_save_state.
21         (rs6000_ra_ever_killed): Return lr_save_state if set.
22         (rs6000_emit_eh_reg_restore): Set lr_save_state.
23
24 2010-05-13  Jan Hubicka  <jh@suse.cz>
25
26         * varpool.c (decide_is_variable_needed): Drop code checking
27         TREE_SYMBOL_REFERENCED.
28
29 2010-05-13  Jan Hubicka  <jh@suse.cz>
30
31         * final.c (output_addr_const): Do not call mark_decl_referenced.
32         * cgraphunit.c (process_function_and_variable_attributes): Use
33         mark_needed_node dirrectly.
34         (assemble_thunk): Do not call mark_decl_referenced.
35
36 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
37
38         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
39
40 2010-05-13  Jeff Law  <law@redhat.com>
41
42         * ira-conflicts.c (print_allocno_conflicts): New function broken out
43         from...
44         (print_conflicts): Call print_allocno_conflicts.
45
46 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
47
48         PR debug/44104
49         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
50         if it is NULL.
51
52 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
53
54         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
55         t-mingw-w64 or t-mingw-w32 for multilib configuration.
56         * config/i386/t-mingw-w32: New.
57         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
58         
59 2010-05-13  Martin Jambor  <mjambor@suse.cz>
60
61         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
62         gimple-fold.c).
63         * gimple-fold.c (get_base_binfo_for_type): New function.
64         (gimple_get_relevant_ref_binfo): Likewise.
65         (gimple_fold_obj_type_ref_known_binfo): Likewise.
66         (gimple_fold_obj_type_ref): Likewise.
67         (fold_gimple_call): Simplify condition for folding virtual calls
68         and call gimple_fold_obj_type_ref.
69         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
70         (gimple_fold_obj_type_ref_known_binfo): Likewise.
71
72 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
73
74         * config/rs6000/rs6000-protos.h
75         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
76         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
77         (rs6000_debug_mode_dependent_address)
78         (rs6000_mode_dependent_address_ptr): Likewise.
79
80 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
81
82         PR debug/43983
83         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
84         by SRA.
85         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
86         * tree-sra.c (create_access_replacement): Call unshare_expr before
87         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
88         it.
89         * dwarf2out.c: Include tree-flow.h.
90         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
91         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
92         Handle DW_OP_bit_piece.
93         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
94         construct_piece_list, adjust_piece_list): New functions.
95         (add_var_loc_to_decl): Handle SRA optimized variables.
96         Adjust for var_loc_note to loc field renaming.
97         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
98         in VAR_LOCATION note.
99         (new_loc_descr_op_bit_piece): New function.
100         (dw_sra_loc_expr): New function.
101         (dw_loc_list): Use it.  Don't handle the last range after the
102         loop, handle it inside of the loop.  Adjust for var_loc_note
103         to loc field renaming.
104         (add_location_or_const_value_attribute): Only special case
105         single entry loc lists if loc is NOTE_P.  Adjust for
106         var_loc_note to loc field renaming.
107         (dwarf2out_var_location): Don't set newloc->var_loc_note
108         and newloc->next here.
109
110 2010-05-12  Jan Hubicka  <jh@suse.cz>
111
112         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
113         flag.
114         * cgraph.h (cgraph_only_called_directly_p,
115         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
116         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
117         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
118         (assemble
119         * ipa.c (cgraph_remove_unreachable_nodes): Use
120         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
121         flags.
122         * tree-inline.c (copy_bb): Check address_taken flag.
123         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
124         externally_visible flag.
125
126 2010-05-12  Jason Merrill  <jason@redhat.com>
127
128         PR bootstrap/44048
129         PR target/44099
130         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
131         * sdbout.c (plain_type_1): Likewise.
132         * dwarf2out.c (is_base_type): Likewise.
133         (gen_type_die_with_usage): Likewise.  Generate
134         DW_TAG_unspecified_type for any LANG_TYPE.
135
136 2010-05-12  Jan Hubicka  <jh@suse.cz>
137
138         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
139         indrect edges too.
140         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
141         (cgraph_clone_edge): Update.
142         (cgraph_node_remove_callees): Remove indirect calls too.
143         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
144         (cgraph_create_indirect_edge): Update prototype.
145         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
146         is_proper_for_analysis.
147         (add_new_function, visited_nodes, function_insertion_hook_holder,
148         get_local_reference_vars_info, mark_address_taken, mark_address,
149         mark_load, mark_store, check_asm_memory_clobber, check_call,
150         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
151         (ipa_init): Do not initialize visited_nodes;
152         function_insertion_hook_holder.
153         (analyze_variable): Rewrite.
154         (analyze_function): Rewrite.
155         (copy_local_bitmap): Remove.
156         (duplicate_node_dat): Do not duplicate local info.
157         (generate_summary): Simplify to only walk cgraph.
158         (write_node_summary_p, ipa_reference_write_summary,
159         ipa_reference_read_summary): Remove.
160         (propagate): Do not remove function insertion;
161         generate summary.
162         (pass_ipa_reference): NULLify summary handling fields.
163         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
164         (input_edge): Input ecf_flags.
165         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
166         (update_indirect_edges_after_inlining): Ignore edges with unknown
167         param.
168
169 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
170
171         * implicit-zee.c: New file.
172         * tree-pass.h (pass_implicit_zee): Declare.
173         * passes.c (init_optimization_passes): Add zee pass.
174         * common.opt (fzee): New flag.
175         * timevar.def (TV_ZEE): Define.
176         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
177         and beyond.
178         * Makefile.in (implicit-zee.o): Add new build file.
179
180 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
181             Nathan Froyd  <froydnj@codesourcery.com>
182
183         * c-common.c (sync_resolve_params): Remove write-only variable.
184
185 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
186
187         * target.h (struct gcc_target): Add mode_dependent_address_p field.
188         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
189         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
190         * targhooks.c (default_mode_dependent_address_p): New function.
191         * targhooks.h (default_mode_dependent_address_p): Declare function.
192         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
193         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
194         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
195         target hook. Change return type to bool.
196         * recog.h: (mode_dependent_address_p): Change return type to bool.
197
198 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
199             Nathan Froyd  <froydnj@codesourcery.com>
200
201         * tree-mudflap.c (build_function_type_0, build_function_type_1,
202         build_function_type_2, build_function_type_3): Remove.
203         (mudflap_init): Use build_function_type_list.
204
205 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
206             Nathan Froyd  <froydnj@codesourcery.com>
207
208         * coverage.c (build_fn_info_value): Call build_constructor instead of
209         build_constructor_from_list.
210         (build_ctr_info_value): Likewise.
211         (build_gcov_info): Likewise.
212
213 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
214
215         * tree.c (build_constructor): Compute TREE_CONSTANT for the
216         resultant constructor.
217         (build_constructor_single): Don't set TREE_CONSTANT.
218         (build_constructor_from_list): Don't compute TREE_CONSTANT.
219
220 2010-05-12  Jan Hubicka  <jh@suse.cz>
221
222         * cgraph.h (struct varpool_node): Add aux.
223         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
224         * varpool.c (varpool_remove_node): Do not remove initializer.
225         (varpool_reset_queue): Export.
226         (varpool_finalize_decl): Volatile vars are forced to be output.
227         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
228         replaced decl.
229         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
230         process_references, varpool_can_remove_if_no_refs): New functions.
231         (cgraph_remove_unreachable_nodes): Handle variables too.
232
233 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
234
235         PR target/44088
236         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
237
238 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
239
240         PR middle-end/44085
241         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
242         change value of ORT_TASK.
243         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
244         (omp_notice_threadprivate_variable): New function.
245         (omp_notice_variable): Call it for threadprivate variables.
246         If enclosing ctx is a task, print enclosing task rather than
247         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
248         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
249         if task has untied clause.
250
251         PR debug/42278
252         * dwarf2out.c (base_type_die): Don't add name attribute here.
253         (modified_type_die): Instead of sizetype use
254         its underlying original type.  If a DW_TAG_base_type doesn't
255         have name added, add __unknown__.
256         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
257         always call force_type_die instead.
258
259 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
260
261         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
262         for __stack_chk_guard.
263
264 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
265
266         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
267         don't call start_source_file debug hook here...
268         (finish_options): ... but here, after outputting predefined and
269         command line defines and undefs.
270
271         PR middle-end/44071
272         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
273         no fallthru edge.
274         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
275         optimizing away empty bb with no successors, move over its
276         footer chain to fallthru predecessor.
277         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
278         (rtl_split_edge): For asm goto call patch_jump_insn even if
279         splitting fallthru edge.
280
281         PR c++/44059
282         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
283         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
284         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
285         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
286         on DW.ref.* decls.
287
288         PR c++/44062
289         * c-parser.c (c_parser_expression): Mark LHS of a comma
290         expression as read if it is a decl, handled component or
291         COMPOUND_EXPR with that on the RHS.
292         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
293         if it is a decl or handled component.
294
295 2010-05-11  Jan Hubicka  <jh@suse.cz>
296
297         * lto-symtab.c (lto_symtab_free): New function.
298         * lto-streamer.h (lto_symtab_free): Declare.
299
300 2010-05-11  Jan Hubicka  <jh@suse.cz>
301
302         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
303         that if function is needed it is reachable.
304         (lto_output_node): See if it the function is reachable or referenced.
305         (output_cgraph): Update call of lto_output_node.
306         * lto-streamer.h (reachable_from_other_partition_p): Declare.
307
308 2010-05-11  Jan Hubicka  <jh@suse.cz>
309
310         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
311         Mark as used.
312
313 2010-05-11  Jan Hubicka  <jh@suse.cz>
314
315         PR tree-optimize/44063
316         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
317         queue.
318         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
319         limits.
320         (estimate_function_body_sizes): Compute sizes even when disregarding.
321
322 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
323
324         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
325
326 2010-05-11  Jan Hubicka  <jh@suse.cz>
327
328         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
329         into every boundary.
330
331 2010-05-11  Jan Hubicka  <jh@suse.cz>
332
333         * matrix-reorg.c (matrix_reorg): Rebuild edges.
334
335 2010-05-11  Jan Hubicka  <jh@suse.cz>
336
337         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
338         lto_streamer_cache_delete): Put nodes into heap.
339         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
340         heap.
341
342 2010-05-11  Jan Hubicka  <jh@suse.cz>
343
344         * cgraphbuild.c (cgraph_rebuild_references): New.
345         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
346         out extern inlines.
347         * cgraph.h (cgraph_rebuild_references): Declare.
348         * tree-inline.c (tree_function_versioning): Use it.
349         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
350
351 2010-05-11  Jan Hubicka  <jh@suse.cz>
352
353         * cgraph.c: Include ipa-utils.h
354         (cgraph_create_virtual_clone): Update references.
355         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
356
357 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
358
359         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
360         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
361         cache size.
362
363 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
364
365         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
366
367 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
368
369         * gcc.c (execute): For -### don't quote arguments that
370         contain just alphanumerics and _/-. characters.
371         * doc/invoke.texi: Document that change for -###.
372
373         PR debug/44023
374         * df-problems.c (struct dead_debug): Add to_rescan field.
375         (dead_debug_init): Clear to_rescan field.
376         (dead_debug_finish): Rescan all debug insns in to_rescan
377         bitmap and free the bitmap.
378         (dead_debug_insert_before): Instead of rescanning debug insns
379         immediately queue their rescanning until dead_debug_finish.
380         (df_note_bb_compute): After dead_debug_add do continue instead
381         of break.
382
383 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
384
385         PR debug/44028
386         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
387         clear also INSN_REG_USE_LIST.
388
389 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
390
391         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
392
393 2010-05-10  Jan Hubicka  <jh@suse.cz>
394
395         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
396         commited change.
397
398 2010-05-10  Jan Hubicka  <jh@suse.cz>
399
400         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
401         Allocate encoders.
402         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
403         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
404         (lto_streamer_cache_create): Init alloc pool.
405         (lto_streamer_cache_delete): Free alloc pool.
406         * lto-streamer.h: Include alloc pool.
407         (lto_streamer_cache_d): Use alloc pool.
408         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
409
410 2010-05-10  Jan Hubicka  <jh@suse.cz>
411
412         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
413         * cgraphbuild.c: Include except.h
414         (record_type_list, record_eh_tables): New function.
415         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
416
417 2010-05-10  Jan Hubicka  <jh@suse.cz>
418
419         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
420         __frame_dummy_init_array_entry, force_to_data): Attribute as used
421         rather than unused.
422
423 2010-05-10  Michael Matz  <matz@suse.de>
424
425         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
426         (can_reassociate_p): Use FLOAT_TYPE_P.
427         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
428         (vect_force_simple_reduction): ... this.
429         * tree-parloops.c (gather_scalar_reductions): Use
430         vect_force_simple_reduction.
431         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
432         vect_is_simple_reduction, add modify argument, if true rewrite
433         "a-b" into "a+(-b)".
434         (vect_is_simple_reduction, vect_force_simple_reduction): New
435         functions.
436         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
437
438 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
439             Vladimir Makarov  <vmakarov@redhat.com>
440
441         PR rtl-optimization/44012
442         * ira-build.c (remove_unnecessary_allocnos): Nullify
443         regno_allocno_map of the removed allocno.
444
445 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
446
447         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
448         to /dev/null.
449         * configure: Regenerate.
450
451 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
452
453         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
454         unused.
455         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
456         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
457         support in Sun ld.
458         * configure: Regenerate.
459
460 2010-05-10  Richard Guenther  <rguenther@suse.de>
461
462         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
463         marked if the entry identifier is marked.
464
465 2010-05-10  Richard Guenther  <rguenther@suse.de>
466
467         * c-common.c (struct c_common_attributes): Add fnspec attribute.
468         (handle_fnspec_attribute): New function.
469         * gimple.h (gimple_call_return_flags): Declare.
470         (gimple_call_arg_flags): Likewise.
471         * gimple.c (gimple_call_arg_flags): New function.
472         (gimple_call_return_flags): Likewise.
473         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
474         New argument flags.
475         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
476         return value flags.
477         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
478         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
479         main work to ...
480         (make_heapvar_for): ... this new function.
481         (handle_rhs_call): Handle fnspec attribute argument specifiers.
482         (handle_lhs_call): Likewise.
483         (find_func_aliases): Adjust.
484
485 2010-05-10  Richard Guenther  <rguenther@suse.de>
486
487         PR tree-optimization/44050
488         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
489
490 2010-05-10  Wei Guozhi  <carrot@google.com>
491
492         PR target/42879
493         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
494
495 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
496
497         PR c/10676
498         * c-typeck.c (lookup_field): Take a type directly.  Update
499         recursive calls.
500         (build_component_ref): Update call to lookup_field.
501         (set_init_label): Use lookup_field to find initialized field.
502         Handle returned list of fields like a sequence of designators.
503
504 2010-05-09  Richard Guenther  <rguenther@suse.de>
505
506         PR middle-end/44024
507         * fold-const.c (tree_single_nonzero_warnv_p): Properly
508         handle &FUNCTION_DECL.
509
510 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
511
512         PR c/4784
513         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
514         structures and unions recursively.
515         (detect_field_duplicates): Move duplicate detection with a hash to
516         detect_field_duplicates_hash.  Always use a hash if anonymous
517         structures or unions are present.
518         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
519         give errors.
520
521 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
522
523         PR target/44046
524         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
525         detect Atom, Core 2 and Core i7.
526
527 2010-05-09  Richard Guenther  <rguenther@suse.de>
528
529         * gcc.c (store_arg): Handle temporary file deletion for
530         joined arguments.
531
532 2010-05-09  Richard Guenther  <rguenther@suse.de>
533
534         PR middle-end/44043
535         * ipa-inline.c (estimate_function_body_sizes): Return after
536         disregarding inline limits.
537
538 2010-05-09  Richard Guenther  <rguenther@suse.de>
539
540         * gcc.c (store_arg): Revert last change.
541
542 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
543
544         PR middle-end/28685
545         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
546         (optimize_ops_list): Call it.
547
548 2010-05-08  Richard Guenther  <rguenther@suse.de>
549
550         PR tree-optimization/44030
551         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
552         NECESSARY flag if we propagate from a inserted expression.
553
554 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
555
556         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
557         domain types as equal if they are both PLACEHOLDER_EXPRs.
558
559 2010-05-08  Richard Guenther  <rguenther@suse.de>
560
561         * lto-wrapper.c (run_gcc): Remove linker output from
562         command line for LTRANS invocation.
563
564 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
565
566         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
567         lto-macho as lto_binary_reader.
568         * target.h (struct gcc_target): New hooks lto_start and lto_end.
569         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
570         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
571         in lto_start and lto_end calls.
572         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
573         magic numbers.
574         (scan_prog_file): Update is_elf_or_coff call.
575         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
576
577         * collect2.c (main): Fix enum comparison.
578
579         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
580         Add prototypes.
581         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
582         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
583         and TARGET_ASM_LTO_END.
584         * darwin.c: Include obstack.h and lto-streamer.h.
585         (lto_section_names_offset, lto_section_names_obstack,
586         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
587         global variables.
588         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
589         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
590         to a temporary file.
591         (darwin_asm_lto_end): New function.  Restore asm_out_file.
592         (darwin_asm_named_section): For LTO sections, replace the name with
593         the offset of the section name in a string table, and build this
594         table.
595         (darwin_file_start): Initialize global vars for LTO support.
596         (darwin_file_end): If output to asm_out_file was redirected, append it
597         to the proper asm_out_file here.  Add the section names section.
598
599 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
600
601         * c-pragma.c (pending_weak_d, pending_weak): New.
602         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
603         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
604         handle_pragma_weak): Update the uses of pending_weaks.
605
606 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
607
608         PR documentation/44016
609         * doc/standards.texi (Standards): Link to unversioned
610         cxx0x_status.html page.
611
612 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
613
614         PR target/43708
615         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
616         in addition to TREE_USED, to avoid "set but unused" warnings.
617
618 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
619
620         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
621         (is_loop_prefetching_profitable): Do not insert prefetches
622         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
623         times the prefetch ahead distance.
624
625 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
626
627         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
628         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
629         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
630         the unroll_factor.
631
632 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
633
634         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
635         a diagnostic info when the insn-to-mem ratio is too small.
636
637 2010-05-07  Richard Guenther <rguenther@suse.de>
638
639         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
640         the linker plugin.
641         (store_arg): Queue temp_filename for deletion instead of
642         the whole argument.
643
644 2010-05-07  Richard Guenther  <rguenther@suse.de>
645
646         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
647         (run_gcc): Handle LTRANS phase invocation.
648         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
649
650 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
651
652         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
653         this is also meaningful on PARM_DECLs and RESULT_DECLs.
654
655 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
656
657         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
658
659 2010-05-07  Richard Guenther  <rguenther@suse.de>
660
661         PR tree-optimization/44020
662         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
663         code when PRE is not yet initialized.
664
665 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
666
667         * config/mips/dbxmdebug.h: Remove.
668         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
669
670 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
671
672         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
673         with null pointer and also warn about ordered comparison of zero with
674         pointer if -Wextra.
675
676 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
677
678         * graphite-blocking.c
679         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
680         * graphite-clast-to-gimple.c
681         (clast_to_gcc_expression): Same.
682         (precision_for_value): Same.
683         (precision_for_interval): Same.
684         (gcc_type_for_interval): Same.
685         (graphite_create_new_guard): Same.
686         (compute_bounds_for_level): Same.
687         (graphite_create_new_loop_guard): Same.
688         * graphite-interchange.c
689         (build_linearized_memory_access): Same.
690         (pdr_stride_in_loop): Same.
691         (memory_strides_in_loop_1): Same.
692         (memory_strides_in_loop): Same.
693         (extend_scattering): Same.
694         (psct_scattering_dim_for_loop_depth): Same.
695         (pbb_number_of_iterations): Same.
696         * graphite-poly.h
697         (debug_iteration_domains): Same.
698         * graphite-ppl.c
699         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
700         (ppl_set_inhomogeneous_gmp): Same.
701         (ppl_strip_loop): Same.
702         (ppl_lexico_compare_linear_expressions): Same.
703         (ppl_read_polyhedron_matrix): Same.
704         (ppl_max_for_le_pointset): Same.
705         * graphite-ppl.h
706         (ppl_read_polyhedron_matrix): Same.
707         (tree_int_to_gmp): Same.
708         (gmp_cst_to_tree): Same.
709         (ppl_set_inhomogeneous): Same.
710         (ppl_set_inhomogeneous_tree): Same.
711         (ppl_set_coef): Same.
712         (ppl_set_coef_tree): Same.
713         * graphite-sese-to-poly.c
714         (build_pbb_scattering_polyhedrons): Same.
715         (build_scop_scattering): Same.
716         (scan_tree_for_params_right_scev): Same.
717         (scan_tree_for_params): Same.
718         (find_params_in_bb): Same.
719         (find_scop_parameters): Same.
720         (add_upper_bounds_from_estimated_nit): Same.
721         (build_loop_iteration_domains): Same.
722         (add_condition_to_domain): Same.
723         (pdr_add_memory_accesses): Same.
724
725 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
726
727         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
728         CLooG's value_* macros to their respective mpz_* counterparts.
729         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
730         (graphite_create_new_loop_guard): Same.
731         * graphite-interchange.c (build_linearized_memory_access): Same.
732         (pdr_stride_in_loop): Same.
733         (memory_strides_in_loop_1): Same.
734         (1st_interchange_profitable_p): Same.
735         * graphite-poly.c (extend_scattering): Same.
736         (psct_scattering_dim_for_loop_depth): Same.
737         (pbb_number_of_iterations): Same.
738         (pbb_number_of_iterations_at_time): Same.
739         * graphite-poly.h (new_1st_loop): Same.
740         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
741         (oppose_constraint): Same.
742         (insert_constraint_into_matrix): Same.
743         (ppl_set_inhomogeneous_gmp): Same.
744         (ppl_set_coef_gmp): Same.
745         (ppl_strip_loop): Same.
746         (ppl_lexico_compare_linear_expressions): Same.
747         (ppl_max_for_le_pointset): Same.
748         (ppl_min_for_le_pointset): Same.
749         (ppl_build_realtion): Same.
750         * graphite-ppl.h (gmp_cst_to_tree): Same.
751         (ppl_set_inhomogeneous): Same.
752         (ppl_set_inhomogeneous_tree): Same.
753         (ppl_set_coef): Same.
754         (ppl_set_coef_tree): Same.
755         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
756         (build_scop_scattering): Same.
757         (add_value_to_dim): Same.
758         (scan_tree_for_params_right_scev): Same.
759         (scan_tree_for_params_int): Same.
760         (scan_tree_for_params): Same.
761         (find_params_in_bb): Same.
762         (find_scop_parameters): Same.
763         (add_upper_bounds_from_estimated_nit): Same.
764         (build_loop_iteration_domains): Same.
765         (create_linear_expr_from_tree): Same.
766         (add_condition_to_domain): Same.
767         (pdr_add_memory_accesses): Same.
768
769 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
770             Jason Merrill  <jason@redhat.com>
771
772         * c-common.c (c_common_reswords): Add nullptr.
773         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
774         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
775         (gen_type_die_with_usage): Likewise.
776         * dbxout.c (dbxout_type): Likewise.
777         * sdbout.c (plain_type_1): Likewise.
778
779 2010-05-06  Jason Merrill  <jason@redhat.com>
780
781         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
782         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
783         ret appropriately.
784         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
785
786         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
787         stripping WITH_SIZE_EXPR.
788         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
789         change.
790
791 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
792
793         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
794         list of obsolete configurations.
795         Disabled check for obsolete configurations.
796         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
797         Removed support for previous versions.
798         * config/mips/iris.h: Removed.
799         * config/mips/iris5.h: Removed.
800         * config/mips/iris6.h: Merged old iris.h contents.
801         (TARGET_IRIX): Removed.
802         (DRIVER_SELF_SPECS): Removed mabi=32.
803         (IDENT_ASM_OP): Removed undef.
804         (STARTFILE_SPEC): Removed mabi=32.
805         (ENDFILE_SPEC): Likewise.
806         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
807         (MACHINE_TYPE): Update for IRIX 6.5.
808         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
809         TARGET_IRIX by TARGET_IRIX6.
810         (mips_file_start): Likewise.
811         (mips_output_external): Remove IRIX 5/6 O32 support.
812         (mips_output_function_prologue): Likewise.
813         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
814         TARGET_IRIX6.
815         (TARGET_CPU_CPP_BUILTINS): Likewise.
816         (TARGET_IRIX): Removed.
817         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
818         (MULTILIB_DIRNAMES): Removed 32.
819         (MULTILIB_OSDIRNAMES): Removed ../lib.
820         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
821         (Specific, mips-sgi-irix5): Document removal.
822         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
823         Remove references to older IRIX 6 releases and the O32 ABI.
824
825 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
826
827         PR bootstrap/43994
828         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
829         instead of DF_REF_REAL_REG.
830
831 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
832
833         PR target/43888
834         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
835         handling to still return true for x64 targets.
836
837 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
838
839         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
840
841 2010-05-06  Jan Hubicka  <jh@suse.cz>
842
843         PR tree-optimization/43791
844         * ipa-inline.c (update_caller_keys): Remove bogus
845         disregard_inline_limits check.
846
847 2010-05-06  Michael Matz  <matz@suse.de>
848
849         PR tree-optimization/43984
850         * tree-ssa-pre.c (inserted_phi_names): Remove.
851         (inserted_exprs): Change to bitmap.
852         (create_expression_by_pieces): Set bits, don't append to vector.
853         (insert_into_preds_of_block): Don't handle inserted_phi_names.
854         (eliminate): Don't look at inserted_phi_names, remove deleted
855         insns from inserted_exprs.
856         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
857         (init_pre, fini_pre): Allocate and free bitmaps.
858         (execute_pre): Insert insns on edges before elimination.
859
860 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
861
862         * tree.c (initializer_zerop): Handle STRING_CST.
863
864 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
865
866         PR 40989
867         * doc/invoke.texi (Wimplicit): Document as C only.
868         * opts.c (common_handle_option): Add argument kind.
869         (handle_option): Rename as read_cmdline_option. Factor out code to...
870         (handle_option): ... here. New.
871         (handle_options): Rename as read_cmdline_options.
872         (decode_options): Update call.
873         (set_option): Use option index instead of option pointer. Classify
874         diagnostics correctly.
875         (enable_warning_as_error): Call handle_option.
876         * opts.h (set_option): Update declaration.
877         (handle_option): Declare.
878         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
879         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
880         * c-opts.c (set_Wimplicit): Delete.
881         (c_family_lang_mask): New static constant.
882         (c_common_handle_option): Add argument kind. Use handle_option
883         instead of set_Wimplicit.
884         (c_common_post_options): warn_implicit and warn_implicit_int
885         are disabled by default.
886         * c-common.c (warn_implicit): Do not define here.
887         * c-common.h (warn_implicit): Do not declare here.
888         (c_common_handle_option): Update declaration.
889         * lto-opts.c (lto_reissue_options): Update call to set_option.
890
891 2010-05-06  Richard Guenther  <rguenther@suse.de>
892
893         PR tree-optimization/43571
894         * domwalk.c (walk_dominator_tree): Walk the dominator
895         sons in more optimal order.
896
897 2010-05-06  Richard Guenther  <rguenther@suse.de>
898
899         PR tree-optimization/43934
900         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
901         (stmt_cost): Likewise.
902         (extract_true_false_args_from_phi): New helper.
903         (determine_max_movement): For PHI nodes verify we can hoist them
904         and compute their cost.
905         (determine_invariantness_stmt): Handle PHI nodes.
906         (move_computations_stmt): Likewise.  Hoist PHI nodes in
907         if-converted form using COND_EXPRs.
908         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
909         (tree_ssa_lim): Likewise.
910         * tree-flow.h (tree_ssa_lim): Adjust prototype.
911         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
912
913 2010-05-06  Richard Guenther  <rguenther@suse.de>
914
915         PR tree-optimization/43987
916         * tree-ssa-structalias.c (could_have_pointers): For possibly
917         address-taken variables force pointers to be recorded.
918         (create_variable_info_for_1): Likewise.
919         (push_fields_onto_fieldstack): Pass in wheter all fields
920         must have pointers.
921         (find_func_aliases): Query types instead of vars whether
922         they contain pointers where appropriate.
923
924 2010-05-06  Jan Hubicka  <jh@suse.cz>
925
926         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
927         (record_reference, mark_address, mark_load, mark_store): Record
928         references.
929         (record_references_in_initializer): Update call of record_references.
930         (rebuild_cgraph_edges): Remove all references before rebuiding.
931         * cgraph.c (cgraph_create_node): Clear ref list.
932         (cgraph_remove_node): Remove references.
933         (dump_cgraph_node): Dump references.
934         (cgraph_clone_node): Clone references.
935         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
936         (struct cgraph_node, varpool_node): Add ref_lst.
937         * ipa-ref.c: New file.
938         * ipa-ref.h: New file.
939         * ipa-ref-inline.h: New file.
940         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
941         (referenced_from_other_partition_p): New function.
942         (lto_output_varpool_node): Take set arugment; call
943         referenced_from_other_partition.
944         (lto_output_ref): New.
945         (add_references): New.
946         (output_refs): New.
947         (output_cgraph): Compute boundary based on references; output refs.
948         (output_varpool): Accept cgraph_node_set argument.
949         (input_ref): New.
950         (input_refs): New.
951         (input_cgraph): Call input_refs.
952         * lto-section-in.c (lto_section_name): Add refs.
953         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
954         (ipa-ref.o): New file.
955         * varpool.c (varpool_node): Clear ipa ref list.
956         (varpool_remove_node): Remove references.
957         (dump_varpool_node): Dump references.
958         (varpool_assemble_decl): Only compile finalized ones.
959         (varpool_extra_name_alias): Initialize ref list.
960         * lto-streamer.c (lto-get_section_name): Add .refs section.
961         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
962         (referenced_from_other_partition_p): Declared.
963
964 2010-05-06  Ira Rosen  <irar@il.ibm.com>
965
966         PR tree-optimization/43901
967         * tree-vect-stmts.c (vectorizable_call): Assert that vector
968         type is not NULL if it's transformation phase, and return
969         FALSE if it's analysis.
970         (vectorizable_conversion, vectorizable_operation,
971         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
972
973 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
974
975         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
976         Delete.
977         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
978         New define.
979         * config/mips/mips-protos.h
980         (mips_small_register_classes_for_mode_p): Delete prototype.
981
982 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
983
984         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
985         * config/arm/arm.c (multiple_operation_profitable_p,
986         compute_offset_order): New static functions.
987         (load_multiple_sequence, store_multiple_sequence): Use them.
988         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
989         memory offsets, not register numbers.
990         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
991
992 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
993
994         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
995         (get_pending_sizes, put_pending_size, put_pending_sizes):
996         Update the uses of pending_sizes.
997         * c-decl.c (store_parm_decls): Likewise.
998         * c-tree.h (struct c_arg_info): Likewise.
999         * tree.h: Update the prototype for get_pending_sizes and
1000         put_pending_sizes.
1001
1002 2010-05-05  Jason Merrill  <jason@redhat.com>
1003
1004         PR debug/43370
1005         * c-common.c (handle_aligned_attribute): Respect
1006         ATTR_FLAG_TYPE_IN_PLACE.
1007
1008         PR testsuite/43758
1009         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1010         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1011         (TARGET_INITIALIZER): Use it.
1012         * c-common.c (attribute_takes_identifier_p): Call it.
1013         * c-common.h: Update prototype.
1014         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1015         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1016
1017 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1018
1019         PR debug/43950
1020         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1021         DW_ID_down_case for Fortran compilation units.
1022
1023 2010-05-05  Jan Hubicka  <jh@suse.cz>
1024
1025         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1026         handle aliases.
1027
1028 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1029
1030         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1031         a variable-sized RESULT_DECL.
1032
1033 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1034
1035         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1036
1037 2010-05-05  Jason Merrill  <jason@redhat.com>
1038
1039         PR c++/43787
1040         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1041         returns GS_OK.
1042         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1043
1044 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1045             Jakub Jelinek  <jakub@redhat.com>
1046
1047         PR debug/43478
1048         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1049         (dead_debug_init, dead_debug_finish): New functions.
1050         (dead_debug_add, dead_debug_insert_before): Likewise.
1051         (df_note_bb_compute): Initialize a dead_debug object, add dead
1052         debug uses to it, insert debug bind insns before death insns,
1053         reset debug insns that refer to pending uses at the end.
1054         * rtl.h (make_debug_expr_from_rtl): New prototype.
1055         * varasm.c (make_debug_expr_from_rtl): New function.
1056
1057 2010-05-05  Jan Hubicka  <jh@suse.cz>
1058
1059         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1060         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1061         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1062         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1063         lto_varpool_encoder_encode_initializer_p,
1064         lto_set_varpool_encoder_encode_initializer): New functions.
1065         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1066         call output_varpool.
1067         (input_varpool_node): Do not always set analyzed.
1068         (input_cgraph_1): Return vector of cgraph nodes.
1069         (input_varpool_1): Return vector of varpools.
1070         (input_cgraph): Free the vectors.
1071         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1072         output only initializers needed.
1073         (lto_output): Only call output_cgraph.
1074         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1075         * lto-section-out.c (lto_new_out_decl_state): Initialize
1076         state->varpool_node_encoder.
1077         * lto-streamer.h (lto_varpool_encoder_d): New.
1078         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1079         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1080         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1081         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1082         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1083         Declare.
1084         (output_varpool, input_varpool): Remove declarations.
1085
1086 2010-05-05  Jan Hubicka  <jh@suse.cz>
1087
1088         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1089         with body can prevail.
1090
1091 2010-05-05  Jan Hubicka  <jh@suse.cz>
1092
1093         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1094         size.
1095
1096 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1097
1098         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1099
1100         * gengtype.h (erro_at_line): Constify pos argument.
1101
1102         * gengtype.c: Include hashtab.h.
1103         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1104         (error_at_line): Constify pos argument.
1105         (do_typedef): Initialize p->opt field.
1106         (get_file_gtfilename): Fix comment typo.
1107         (struct walk_type_data): Constify line field.
1108         (get_output_file_for_structure): New function.
1109         (write_local_func_for_structure): Constify orig_s argument.
1110         Use get_output_file_for_structure.
1111         (write_func_for_structure): Use get_output_file_for_structure.
1112         (INDENT): New define.
1113         (dump_pair, dump_type, dump_type_list, dump_typekind)
1114         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1115         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1116         functions.
1117         (seen_types): New variable.
1118         (main): New variable do_dump.  Process "-d" command line option.
1119         Call dump_everything if dump requested.
1120
1121 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1122
1123         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1124         in a temporary instead of invoking the macro multiple times.
1125         (track_expr_p): Likewise.
1126
1127 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1128
1129         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1130         per new semantics.
1131         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1132         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1133         conditions for printing notes.
1134         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1135         true, update documentation.
1136         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1137
1138 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1139
1140         PR c/43981
1141         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1142         on dimen.
1143
1144 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1145
1146         PR target/43799
1147         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1148         (*sse_prologue_save_insn1): Likewise.
1149         (SSE prologue save splitter): Likewise.
1150
1151 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1152
1153         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1154         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1155         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1156         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1157         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1158         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1159         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1160
1161 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1162
1163         * tree-sra.c (build_access_from_expr_1): The first parameter type
1164         changed to simple tree.
1165         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1166         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1167         renamed as well.
1168         (build_accesses_from_assign): Removed all parameters except for a
1169         simple gimple statement.  Now returns a simple bool.
1170         (scan_function): All non-analysis parts moved to separate functions
1171         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1172         parameters and updated both callers.
1173         (sra_modify_expr): Removed parameter data.
1174         (sra_modify_function_body): New function.
1175         (perform_intra_sra): Call sra_modify_function_body to modify the
1176         function body.
1177         (replace_removed_params_ssa_names): Parameter data changed into
1178         adjustments vector.
1179         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1180         changed the parameter dont_convert to convert with the opposite
1181         meaning.
1182         (sra_ipa_modify_assign): Parameter data changed into adjustments
1183         vector, return value changed to bool.
1184         (ipa_sra_modify_function_body): New function.
1185         (sra_ipa_reset_debug_stmts): Updated a comment.
1186         (modify_function): Use ipa_sra_modify_function_body to modify function
1187         body.
1188
1189 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1190
1191         PR middle-end/43671
1192         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1193         (canon_true_dependence): Likewise.
1194         (write_dependence_p): Likewise.
1195
1196 2010-05-04  Jan Hubicka  <jh@suse.cz>
1197
1198         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1199         * cgraphbuild.c: Include ipa-utils.h
1200         (record_reference_ctx): New struct.
1201         (record_reference): Simplify to work on initializers; not statements.
1202         (mark_address, mark_load, mark_store): New.
1203         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1204         walk PHI nodes too.
1205         (record_references_in_initializer): Update use of record_reference.
1206         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1207         walk PHI nodes too.
1208
1209 2010-05-04  Jan Hubicka  <jh@suse.cz>
1210
1211         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1212         node will be removed anyway.
1213         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1214         relink aliases of node into prevailing node.
1215         * varpool.c (varpool_remove_node): Remove aliases properly;
1216         when removing node, remove all its aliases too; remove DECL_INITIAL
1217         of removed node; ggc_free the varpool node.
1218
1219 2010-05-04  Richard Guenther  <rguenther@suse.de>
1220
1221         PR tree-optimization/43879
1222         * tree-ssa-structalias.c (alias_get_name): Use
1223         DECL_ASSEMBLER_NAME if available.
1224         (create_function_info_for): Return the varinfo node.
1225         (ipa_pta_execute): Associate same-body aliases and extra names
1226         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1227
1228 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1229
1230         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1231
1232 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1233
1234         PR bootstrap/43964
1235         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1236         only if HONOR_REG_ALLOC_ORDER is not defined.
1237
1238 2010-05-04  Richard Guenther  <rguenther@suse.de>
1239
1240         PR tree-optimization/43949
1241         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1242         TRUNC_MOD_EXPR.
1243
1244 2010-04-26  Jason Merrill  <jason@redhat.com>
1245
1246         * c.opt (-fstrict-enums): New.
1247         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1248
1249 2010-05-03  David Ung <davidu@mips.com>
1250             James E. Wilson  <wilson@codesourcery.com>
1251
1252         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1253         emit the trap instruction before the divide for TUNE_74K.
1254
1255 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1256
1257         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1258         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1259         based on the above, for new target hook.
1260
1261         * hooks.c (hook_bool_mode_true): New generic hook.
1262         * hooks.h (hook_bool_mode_true): Add prototype.
1263
1264         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1265         target hook.
1266         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1267         target hook, set to hook_bool_mode_false.
1268         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1269         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1270         with targetm.small_register_classes_for_mode_p.
1271         (find_reusable_reload): Likewise.
1272         (combine_reloads): Likewise.
1273         * reload1.c (reload_as_needed): Likewise.
1274         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1275         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1276         dead_or_predicable): Likewise.
1277         * regmove.c (optimize_reg_copy_1): Likewise.
1278         * calls.c (prepare_call_address): Likewise.
1279         (precompute_register_parameters): Likewise.
1280
1281         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1282         hook definition.
1283         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1284         implementation of the hook that considers all register classes
1285         small except for SH64.
1286         (sh_override_options): Use the new hook.
1287         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1288         Add prototype.
1289
1290         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1291         hook definition.
1292         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1293         implementation of the hook that considers all register classes
1294         small for THUMB1.
1295         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1296         Add prototype.
1297
1298         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1299         hook definition.
1300         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1301         implementation of the hook that considers all register classes
1302         small for MIPS16.
1303         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1304         Add prototype.
1305
1306         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1307         hook definition.
1308         * config/m32c/m32c.h: Likewise.
1309         * config/pdp11/pdp11.h: Likewise.
1310         * config/avr/avr.h: Likewise.
1311         * config/xtensa/xtensa.h: Likewise.
1312         * config/m68hc11/m68hc11.h: Likewise.
1313         * config/mn10300/mn10300.h: Likewise.
1314         * config/mcore/mcore.h: Likewise.
1315         * config/h8300/h8300.h: Likewise.
1316         * config/bfin/bfin.h: Likewise.
1317
1318         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1319         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1320
1321 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1322
1323         * double-int.h (tree_to_double_int): Remove macro.
1324         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1325         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1326         (tree_to_double_int): New function.
1327         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1328         Move ...
1329         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1330
1331 2010-05-03  Richard Guenther  <rguenther@suse.de>
1332
1333         PR tree-optimization/43971
1334         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1335         constraints in the !flag_delete_null_pointer_checks case.
1336
1337 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1338
1339         PR debug/43972
1340         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1341         result mode matches original rtl mode.
1342
1343 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1344
1345         PR target/43888
1346         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1347
1348 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1349
1350         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1351         when processing flag options.
1352
1353 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1354
1355         * gcov-iov.c (main): Change format string placeholder
1356         from %#08x to 0x%08x.
1357         * genchecksum.c (dosum): Change format string placeholder
1358         from %#02x to 0x%02x.
1359
1360 2010-05-02  Richard Guenther  <rguenther@suse.de>
1361
1362         PR tree-optimization/43879
1363         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1364
1365 2010-05-02  Bruno Haible  <bruno@clisp.org>
1366
1367         * doc/extend.texi (Function Attributes): Fix a typo.
1368
1369 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1370
1371         Revert:
1372         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1373         placeholder from 0x%x to %#x.
1374         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1375         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1376         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1377         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1378         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1379         * config/i386/i386.c (ix86_target_string): Ditto.
1380         * config/i386/i386.c (output_pic_addr_const): Ditto.
1381         (print_operand): Ditto.
1382
1383 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1384
1385         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1386         placeholder from 0x%x to %#x.
1387         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1388         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1389         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1390         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1391         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1392         * optc-gen.awk: Ditto.
1393         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1394         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1395         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1396         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1397
1398 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1399
1400         * target.h (struct calls): Add function_value_regno_p field.
1401         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1402         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1403         * targhooks.c (default_function_value_regno_p): New function.
1404         * targhooks.h (default_function_value_regno_p): Declare function.
1405         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1406         * builtins.c. (apply_result_size): (Ditto.).
1407         * combine.c. (likely_spilled_retval_p): (Ditto.).
1408         * mode-switching.c. Include 'target.h'.
1409         (create_pre_exit): Use function_value_regno_p hook.
1410         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1411         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1412         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1413
1414         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1415         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1416         (ix86_function_value_regno_p): Declare as static, change argument
1417         type to const unsigned int.
1418         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1419
1420 2010-05-01  Richard Guenther  <rguenther@suse.de>
1421
1422         PR tree-optimization/43949
1423         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1424         types.
1425         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1426
1427 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1428
1429         * rtl.h (CONST_DOUBLE_P): Define.
1430         (rtx_to_double_int): Declare.
1431         * emit-rtl.c (rtx_to_double_int): New function.
1432         * dwarf2out.c (insert_double): New function.
1433         (loc_descriptor, add_const_value_attribute): Clean up, use
1434         rtx_to_double_int and insert_double functions.
1435
1436 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1437
1438         * doc/extend.texi (Inline): Add missing return keyword to examples.
1439         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1440         "command-line".
1441
1442 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1443
1444         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1445         the variable part of the offset as well.  Use highest_pow2_factor for
1446         all alignment checks.
1447
1448 2010-04-30  Richard Guenther  <rguenther@suse.de>
1449
1450         PR tree-optimization/43879
1451         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1452         can have pointers.
1453
1454 2010-04-30  Jan Hubicka  <jh@suse.cz>
1455
1456         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1457         varpool.
1458         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1459
1460 2010-04-30  Jan Hubicka  <jh@suse.cz>
1461
1462         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1463         New.
1464         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1465         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1466         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1467         cgraph_node_set_needs_ltrans_p): Remove.
1468
1469 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1470
1471         * sdbout.c: Include vec.h, do not include varray.h.
1472         (deferred_global_decls, sdbout_global_decl,
1473         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1474         * toplev.c: Do not include varray.h.
1475         (dump_memory_report): Do not dump VARRAY statistics.
1476         * gengtype.c (open_base_file): Ignore varray.h.
1477         * Makefile.in: Update for abovementioned changes.
1478         Remove all traces of varray.c and varray.h.
1479         * varray.c: Remove file.
1480         * varray.h: Remove file.
1481
1482 2010-04-30  Jan Hubicka  <jh@suse.cz>
1483
1484         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1485         references.
1486
1487 2010-04-30  Jan Hubicka  <jh@suse.cz>
1488
1489         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1490         needed.
1491
1492 2010-04-30  Richard Guenther  <rguenther@suse.de>
1493
1494         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1495         constraints for CONSTRUCTOR.
1496
1497 2010-04-30  Richard Guenther  <rguenther@suse.de>
1498
1499         PR lto/43946
1500         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1501         first after all lowering passes.
1502
1503 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1504
1505         * toplev.c: Include varray.h for statistics dumping.
1506         * tree.h: Do not declare varray_head_tag.
1507         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1508         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1509         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1510         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1511         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1512         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1513         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1514         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1515         include varray.h.
1516         * Makefile.in: Update for abovementioned changes.
1517
1518 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1519
1520         PR debug/43942
1521         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1522
1523 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1524
1525         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1526         Use this function to do machine-specific conversion.
1527         (picochip_legitimize_reload_address): Likewise.
1528         (picochip_legitimate_address_p): Check valid base register only if
1529         strict.
1530         (picochip_check_conditional_copy): Check for modw only if opnd is
1531         register.
1532         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1533         to call the function in c.
1534         * config/picochip/picochip-protos.h
1535         (picochip_legitimize_reload_address): Define.
1536         * config/picochip/picochip.md (supported_compare1): Define.
1537
1538 2010-04-30  Jan Hubicka  <jh@suse.cz>
1539
1540         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1541         (cgraph_global_info): Remove inlined.
1542         (LTO_cgraph_tag_names): Remove.
1543         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1544         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1545         simplify cgraph tags and document.
1546         (lto_output_node): Use only LTO_cgraph_unavail_node and
1547         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1548         for_functions_valid, global info, process and output flags.
1549         (input_overwrite_node): Initialize estimated stack size and
1550         estimated growth.  Do not read flags we no longer store.
1551         (input_node): Likewise do not read info no longer stored.
1552         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1553         flag.
1554
1555 2010-04-30  Richard Guenther  <rguenther@suse.de>
1556
1557         PR tree-optimization/43879
1558         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1559         handle non-zero initializers.
1560
1561 2010-04-30  Richard Guenther  <rguenther@suse.de>
1562
1563         * builtins.c (fold_builtin_1): Delete free (0).
1564
1565 2010-04-29  Jan Hubicka  <jh@suse.cz>
1566
1567         * gengtype.c (open_base_files): Add lto-streamer.h
1568         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1569         (pass_ipa_cp): GGC collect.
1570         * toplev. (compile_file): Do not output symbols.
1571         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1572         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1573         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1574         * lto-section-in.c: Include ggc.h
1575         (lto_new_in_decl_state): Alloc in GGC.
1576         (lto_delete_in_decl_state): Likewise.
1577         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1578         Collect.
1579
1580 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1581
1582         PR target/42895
1583         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1584         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1585         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1586         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1587         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1588         account only if HONOR_REG_ALLOC_ORDER is not defined.
1589         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1590         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1591
1592 2010-04-29  Jon Grant  <04@jguk.org>
1593
1594         * collect2.c (vflag): Change type from int to bool.
1595         (debug): Likewise.
1596         (helpflag): New global bool.
1597         (main): Set vflag and debug with boolean, not integer truth values.
1598         Accept new "--help" option and output usage text if found.
1599         * collect2.h (vflag): Update prototype.
1600         (debug): Likewise.
1601
1602 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         PR bootstrap/43936
1605         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1606
1607 2010-04-29  Richard Guenther  <rguenther@suse.de>
1608
1609         PR bootstrap/43935
1610         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1611         with ATTRIBUTE_UNUSED.
1612
1613 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1614
1615         PR target/43921
1616         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1617         INSN_P with NONDEBUG_INSN_P.
1618         (distance_non_agu_define): Likewise.
1619         (distance_agu_use): Likewise.
1620
1621 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1622
1623         From Dominique d'Humieres <dominiq@lps.ens.fr>
1624         PR bootstrap/43858
1625         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1626         test_set.
1627
1628 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1629
1630         * plugin.h (invoke_plugin_callbacks): New inline function.
1631         * plugin.c (flag_plugin_added): New global flag.
1632         (add_new_plugin): Initialize above flag.
1633         (invoke_plugin_callbacks): Rename to ...
1634         (invoke_plugin_callbacks_full): ... this.
1635
1636 2010-04-28  Jan Hubicka  <jh@suse.cz>
1637
1638         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1639         (lto_varpool_replace_node): New.
1640         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1641         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1642         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1643         * cgraph.h (varpool_node_ptr): New type.
1644         (varpool_node_ptr): New vector.
1645         (varpool_node_set_def): New structure.
1646         (varpool_node_set): New type.
1647         (varpool_node_set): New vector.
1648         (varpool_node_set_element_def): New structure.
1649         (varpool_node_set_element, const_varpool_node_set_element): New types.
1650         (varpool_node_set_iterator): New type.
1651         (varpool_node): Add prev pointers, add used_from_other_partition,
1652         in_other_partition.
1653         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1654         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1655         varpool_get_node, varpool_remove_node): Declare.
1656         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1657         varpool_node_set_size): New inlines.
1658         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1659         * tree-pass.h (varpool_node_set_def): Forward declare.
1660         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1661         (ipa_write_optimization_summaries): Update prototype.
1662         * ipa-cp.c (ipcp_write_summary): Update.
1663         * ipa-reference.c (ipa_reference_write_summary): Update.
1664         * lto-cgraph.c (lto_output_varpool_node): New static function.
1665         (output_varpool): New function.
1666         (input_varpool_node): New static function.
1667         (input_varpool_1): New function.
1668         (input_cgraph): Input varpool.
1669         * ipa-pure-const.c (pure_const_write_summary): Update.
1670         * lto-streamer-out.c (lto_output): Update, output varpool too.
1671         (write_global_stream): Kill WPA hack.
1672         (produce_asm_for_decls): Update.
1673         (output_alias_pair_p): Handle variables.
1674         (output_unreferenced_globals): Output only needed partition of varpool.
1675         * ipa-inline.c (inline_write_summary): Update.
1676         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1677         cgraph.
1678         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1679         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1680         varpool_node_set_new, varpool_node_set_add,
1681         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1682         debug_varpool_node_set): New functions.
1683         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1684         (execute_one_pass): Process new decls too.
1685         (ipa_write_summaries_2): Pass around vsets.
1686         (ipa_write_summaries_1): Likewise.
1687         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1688         to add.
1689         (ipa_write_optimization_summaries_1): Pass around vsets.
1690         (ipa_write_optimization_summaries): Likewise.
1691         * varpool.c (varpool_get_node): New.
1692         (varpool_node): Update doubly linked lists.
1693         (varpool_remove_node): New.
1694         (dump_varpool_node): More dumping.
1695         (varpool_enqueue_needed_node): Update doubly linked lists.
1696         (decide_is_variable_needed): Kill ltrans hack.
1697         (varpool_finalize_decl): Kill lto hack.
1698         (varpool_assemble_decl): Skip decls in other partitions.
1699         (varpool_assemble_pending_decls): Update doubly linkes lists.
1700         (varpool_empty_needed_queue): Likewise.
1701         (varpool_extra_name_alias): Likewise.
1702         * lto-streamer.c (lto_get_section_name): Add vars section.
1703         * lto-streamer.h (lto_section_type): Update.
1704         (output_varpool, input_varpool): Declare.
1705
1706 2010-04-28  Mike Stump  <mikestump@comcast.net>
1707
1708         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1709
1710 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1711
1712         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1713         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1714         (lto_input_ts_type_tree_pointers): Likewise.
1715         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1716         (lto_output_ts_type_tree_pointers): Likewise.
1717
1718 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1719
1720         Uniquization of constants at the Tree level
1721         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1722         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1723         bit to the end.
1724         (tree_output_constant_def): Declare.
1725         * gimplify.c (gimplify_init_constructor): When using block copy, first
1726         uniquize the constant constructor on the RHS.
1727         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1728         DECL_IN_CONSTANT_POOL flag.
1729         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1730         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1731         constant pool.
1732         (assemble_variable): Deal with symbols belonging to the tree constant
1733         pool.
1734         (get_constant_section): Add ALIGN parameter and simplify.
1735         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1736         (assemble_constant_contents): Use the expression of the VAR_DECL.
1737         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1738         (tree_output_constant_def): New global function.
1739         (mark_constant): Use the expression of the VAR_DECL.
1740         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1741         its expression.
1742         (output_object_block): Likewise and assemble the expression.
1743
1744 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1745
1746         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1747         hash_tree, eq_tree): New tree hash table.
1748         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1749         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1750         lto_orig_address_remove): Reimplement.
1751
1752 2010-04-28  Xinliang David Li  <davidxl@google.com>
1753
1754         PR c/42643
1755         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1756         (compute_uninit_opnds_pos): New function.
1757         (is_non_loop_exit_postdominating): New function.
1758         (compute_control_dep_chain): New function.
1759         (find_pdom): New function.
1760         (convert_control_dep_chain_into_preds): New function.
1761         (find_predicates): New function.
1762         (find_control_equiv_block): New function.
1763         (collect_phi_def_edges): New function.
1764         (find_def_preds): New function.
1765         (find_dom): New function.
1766         (dump_predicates): New function.
1767         (get_cmp_code): New function.
1768         (is_value_included_in): New function.
1769         (find_matching_predicate_in_rest_chains): New function.
1770         (use_pred_not_overlap_with_undef_path_pred): New function.
1771         (is_use_properly_guarded): New function.
1772         (normalize_cond_1): New function.
1773         (is_and_or_or): New function.
1774         (normalize_cond): New function.
1775         (is_gcond_subset_of): New function.
1776         (is_subset_of_any): New function.
1777         (is_or_set_subset_of): New function.
1778         (is_and_set_subset_of): New function.
1779         (is_norm_cond_subset_of): New function.
1780         (is_pred_expr_subset_of): New function.
1781         (is_pred_chain_subset_of): New function.
1782         (is_included_in): New function.
1783         (is_superset_of): New function.
1784         (find_uninit_use): New function.
1785         (warn_uninitialized_phi): New function.
1786         (compute_possibly_undefined_names): New function.
1787         (ssa_undefined_value_p): New function.
1788         (execute_late_warn_uninitialized): New function.
1789         * tree-ssa.c (ssa_undefined_value_p): Removed.
1790         (warn_uninit): Changed to extern.
1791         (warn_uninitialized_phi): Removed.
1792         (warn_uninitialized_vars): Changed to extern.
1793         (execute_late_warn_uninitialized): Removed
1794         * tree-flow.h: Add new prototypes.
1795         * timevar.def: Add new time variable.
1796         * Makefile.in: Add new build file.
1797
1798 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1799
1800         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1801         type if available.
1802
1803 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1804
1805         PR target/22224
1806         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1807
1808 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1809
1810         * cgraph.h (struct cgraph_node): New field indirect_calls.
1811         (struct cgraph_indirect_call_info): New type.
1812         (struct cgraph_edge): Removed field indirect_call. New fields
1813         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1814         (cgraph_create_indirect_edge): Declare.
1815         (cgraph_make_edge_direct): Likewise.
1816         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1817         * ipa-prop.h (struct ipa_param_call_note): Removed.
1818         (struct ipa_node_params): Removed field param_calls.
1819         (ipa_create_all_structures_for_iinln): Declare.
1820         * cgraph.c: Described indirect edges and uids in initial comment.
1821         (cgraph_add_edge_to_call_site_hash): New function.
1822         (cgraph_edge): Search also among the indirect edges, use
1823         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1824         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1825         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1826         site hash.
1827         (initialize_inline_failed): Assign a reason to indirect edges.
1828         (cgraph_create_edge_1): New function.
1829         (cgraph_create_edge): Moved some functionality to
1830         cgraph_create_edge_1.
1831         (cgraph_create_indirect_edge): New function.
1832         (cgraph_edge_remove_callee): Add an assert checking for
1833         non-indirectness.
1834         (cgraph_edge_remove_caller): Special-case indirect edges.
1835         (cgraph_remove_edge): Likewise.
1836         (cgraph_set_edge_callee): New function.
1837         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1838         (cgraph_make_edge_direct): New function.
1839         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1840         the declaration of the call statement matches.
1841         (cgraph_node_remove_callees): Special-case indirect edges.
1842         (cgraph_clone_edge): Likewise.
1843         (cgraph_clone_node): Clone also the indirect edges.
1844         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1845         indirect_call, dump count of indirect_calls edges.
1846         * ipa-prop.c (iinlining_processed_edges): New variable.
1847         (ipa_note_param_call): Create indirect edges instead of
1848         creating notes.  New parameter node.
1849         (ipa_analyze_call_uses): New parameter node, pass it on to
1850         ipa_note_param_call.
1851         (ipa_analyze_stmt_uses): Likewise.
1852         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1853         (print_edge_addition_message): Work on edges rather than on notes.
1854         (update_call_notes_after_inlining): Likewise, renamed to
1855         update_indirect_edges_after_inlining.
1856         (ipa_create_all_structures_for_iinln): New function.
1857         (ipa_free_node_params_substructures): Do not free notes.
1858         (ipa_edge_duplication_hook): Propagate bits within
1859         iinlining_processed_edges bitmap.
1860         (ipa_node_duplication_hook): Do not duplicate notes.
1861         (free_all_ipa_structures_after_ipa_cp): Renamed to
1862         ipa_free_all_structures_after_ipa_cp.
1863         (free_all_ipa_structures_after_iinln): Renamed to
1864         ipa_free_all_structures_after_iinln.
1865         (ipa_write_param_call_note): Removed.
1866         (ipa_read_param_call_note): Removed.
1867         (ipa_write_indirect_edge_info): New function.
1868         (ipa_read_indirect_edge_info): Likewise.
1869         (ipa_write_node_info): Do not stream notes, do stream information
1870         in indirect edges.
1871         (ipa_read_node_info): Likewise.
1872         (lto_ipa_fixup_call_notes): Removed.
1873         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1874         * ipa-inline.c (pass_ipa_inline): Likewise.
1875         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1876         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1877         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1878         is_gimple_call.
1879         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1880         edges.
1881         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1882         (output_cgraph): Stream also indirect edges.
1883         (lto_output_edge): Added capability to stream indirect edges.
1884         (input_edge): Likewise.
1885         (input_cgraph_1): Likewise.
1886         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1887         of indirect edges.
1888
1889 2010-04-28  Richard Guenther  <rguenther@suse.de>
1890
1891         PR tree-optimization/43879
1892         PR tree-optimization/43909
1893         * tree-ssa-structalias.c (struct variable_info): Add
1894         only_restrict_pointers flag.
1895         (new_var_info): Initialize it.  Increment stats.total_vars here.
1896         (create_function_info_for): Do not increment stats.total_vars here.
1897         (get_function_part_constraint): Fix build with C++.
1898         (insert_into_field_list): Remove.
1899         (push_fields_onto_fieldstack): Properly merge fields.
1900         (create_variable_info_for): Split and simplify.
1901         (create_variable_info_for_1): New piece.
1902         (intra_create_variable_infos): Properly make restrict constraints
1903         from parameters.
1904
1905 2010-04-28  Richard Guenther  <rguenther@suse.de>
1906
1907         PR c++/43880
1908         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1909
1910 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1911             Jan Hubicka <hubicka@ucw.cz>
1912
1913         * doc/invoke.texi (-Wsuggest-attribute=const,
1914         -Wsuggest-attribute=pure): Document.
1915         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1916         (function_always_visible_to_compiler_p,
1917         suggest_attribute, warn_function_pure, warn_function_const):
1918         New functions.
1919         (check_call): Improve debug info.
1920         (analyze_function): Do not check availability.
1921         (add_new_function): Check availability.
1922         (propagate): Output warnings.
1923         (skip_function_for_local_pure_const): New function.
1924         (local_pure_const): Use it; output warnings.
1925         * common.opt (Wsuggest-attribute=const,
1926         Wsuggest-attribute=pure): New.
1927
1928 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1929
1930         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1931         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1932         or DW_CFA_def_cfa_offset{,_sf}.
1933
1934 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1935
1936         * tree.h: Fix truncated long macros.
1937
1938 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1939
1940         * collect2.c (TARGET_64BIT): Redefine to target's default.
1941         * tlink.c: Likewise.
1942         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1943         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1944         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1945         for underscoring __USER_LABEL_PREFIX__.
1946         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1947         (SUB_LINK_ENTRY32): New.
1948         (SUB_LINK_ENTRY64): New.
1949         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1950         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1951         (SUB_LINK_ENTRY64): New.
1952         (SUB_LINK_ENTRY): New.
1953         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1954         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1955         x64 target is choosen.
1956         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1957         * configure: Regenerated.
1958         * configure.ac (leading-mingw64-underscores): Option added.
1959
1960 2010-04-27  Jan Hubicka  <jh@suse.cz>
1961
1962         * doc/invoke.texi (-fipa-profile): Document.
1963         * opts.c (decode_options): Enable ipa-profile at -O1.
1964         * timevar.def (TV_IPA_PROFILE): Define.
1965         * common.opt (fipa-profile): Add.
1966         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1967         flag for clones.
1968         (cgraph_propagate_frequency): Handle only local ones.
1969         * tree-pass.h (pass_ipa_profile): Declare.
1970         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1971         (pass_ipa_profile): Use TV_IPA_PROFILE.
1972         * ipa.c (ipa_profile): New function.
1973         (gate_ipa_profile): Likewise.
1974         (pass_ipa_profile): New global variable.
1975         * passes.c (pass_ipa_profile): New.
1976
1977 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1978
1979         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1980
1981 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1982
1983         PR middle-end/43812
1984         * ipa.c (dissolve_same_comdat_group_list): New function.
1985         (function_and_variable_visibility): Call
1986         dissolve_same_comdat_group_list when comdat group contains external or
1987         newly local nodes.
1988         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1989         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1990
1991 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1992
1993         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1994         (const_hash_1) <VECTOR_CST>: New case.
1995         (compare_constant) <VECTOR_CST>: Likewise.
1996         <ADDR_EXPR>: Deal with LABEL_REFs.
1997         (copy_constant) <VECTOR_CST>: New case.
1998
1999 2010-04-27  Jan Hubicka  <jh@suse.cz>
2000
2001         * cgraph.c (cgraph_propagate_frequency): New function.
2002         * cgraph.h (cgraph_propagate_frequency): Declare.
2003         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2004         cgraph_propagate_frequency.
2005
2006 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2007
2008         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2009
2010 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2011
2012         PR target/40657
2013         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2014         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2015         here to determine which regs to push and how much stack to reserve.
2016
2017 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2018
2019         * doc/gimple.texi (gimple_statement_with_ops): Remove
2020         addresses_taken field.
2021         (gimple_statement_with_memory_ops): Likewise.
2022
2023 2010-04-27  Jan Hubicka  <jh@suse.cz>
2024
2025         * tree-inline.c (eni_inlining_weights): Remove.
2026         (estimate_num_insns): Special case more builtins.
2027
2028 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2029
2030         PR c/32207
2031         * c-typeck.c (build_binary_op): Move forward check for comparison
2032         pointer with null pointer constant and adjust the diagnostic message.
2033
2034 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2035
2036         PR lto/42776
2037         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2038         binutils supports extended .section directive needed by LTO, or
2039         warn if older binutils found.
2040         (LTO_BINARY_READER): New AC_SUBST'd variable.
2041         (LTO_USE_LIBELF): Likewise.
2042         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2043         variable.
2044         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2045         (LTO_USE_LIBELF): Likewise.
2046         * configure: Regenerate.
2047
2048         * collect2.c (is_elf): Rename from this ...
2049         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2050          object files in addition to ELF-formatted ones.
2051         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2052         symbol to be prefixed or not by an extra underscore.
2053
2054         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2055         * config/i386/winnt.c: Also #include lto-streamer.h
2056         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2057         LTO named sections.
2058         (i386_pe_asm_output_aligned_decl_common): Add comment.
2059         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2060
2061 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2062
2063         PR target/43889
2064         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2065         Add missing earlyclobber for second alternative.
2066
2067 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2068
2069         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2070         bits for artificial defs at the top of the block.
2071         * fwprop.c (single_def_use_enter_block): Don't call it.
2072
2073 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2074
2075         PR 43715
2076         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2077         instead of "$gcc_cv_objdump -T".
2078         Use "-undefined dynamic_lookup" on darwin.
2079         * gcc/configure: Regenerate.
2080
2081 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2082
2083         PR c/43893
2084         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2085
2086 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2087
2088         * c-parser.c (struct c_token): Move location field up.
2089         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2090         (struct c_declspecs): Convert typespec_word, storage_class, and
2091         default_int_p into bitfields.
2092         (struct c_declarator): Move loc field up.
2093
2094 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2095
2096         * cfgloop.h (struct loop): Move can_be_parallel field up.
2097         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2098         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2099         down.
2100         (struct iv_cand): Convert pos field into a bitfield.
2101         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2102         field up.
2103         (struct _stmt_vec_info): Shuffle fields for better packing.
2104
2105 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2106
2107         * varasm.c (IN_NAMED_SECTION): Remove guard.
2108         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2109         (IN_NAMED_SECTION_P): ...this.
2110         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2111         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2112
2113 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2114
2115         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2116         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2117         of shadowing it.  Fix comments.
2118
2119 2010-04-26  Jan Hubicka  <jh@suse.cz>
2120
2121         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2122         (cgraph_clone_node): Copy function frequency.
2123         * cgraph.h (node_frequency): New enum
2124         (struct cgraph_node): Add.
2125         * final.c (rest_of_clean_state): Update.
2126         * lto-cgraph.c (lto_output_node): Output node frequency.
2127         (input_overwrite_node): Input node frequency.
2128         * tre-ssa-loop-ivopts (computation_cost): Update.
2129         * lto-streamer-out.c (output_function): Do not output function
2130         frequency.
2131         * predict.c (maybe_hot_frequency_p): Update and handle functions
2132         executed once.
2133         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2134         attribute lookup.
2135         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2136         (compute_function_frequency): Set noreturn functions to be executed
2137         once.
2138         (choose_function_section): Update.
2139         * lto-streamer-in.c (input_function): Do not input function frequency.
2140         * function.c (allocate_struct_function): Do not initialize function
2141         frequency.
2142         * function.h (function_frequency): Remove.
2143         (struct function): Remove function frequency.
2144         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2145         (try_update): Update.
2146         * tree-inline.c (initialize_cfun): Do not update function frequency.
2147         * passes.c (pass_init_dump_file): Update.
2148         * i386.c (ix86_compute_frame_layout): Update.
2149         (ix86_pad_returns): Update.
2150
2151 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2152
2153         PR tree-optimization/43833
2154         * tree-vrp.c (range_int_cst_p): New.
2155         (range_int_cst_singleton_p): New.
2156         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2157         when both operands are constants.  Use range_int_cst_p in
2158         BIT_IOR_EXPR case.
2159
2160 2010-04-26  Jan Hubicka  <jh@suse.cz>
2161
2162         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2163
2164 2010-04-26  Richard Guenther  <rguenther@suse.de>
2165
2166         PR lto/43080
2167         * gimple.c (gimple_decl_printable_name): Deal gracefully
2168         with a NULL DECL_NAME.
2169
2170 2010-04-26  Richard Guenther  <rguenther@suse.de>
2171
2172         PR lto/42425
2173         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2174         if emitting debug information and it is either a function
2175         or a namespace decl.
2176
2177 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2178
2179         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2180         determine if the statement is vectorizable, and a macro to access it.
2181         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2182         Skip statements that can't be vectorized. If the analysis fails,
2183         mark the statement as unvectorizable if vectorizing basic block.
2184         (vect_compute_data_refs_alignment): Likewise.
2185         (vect_verify_datarefs_alignment): Skip statements marked as
2186         unvectorizable. Add print.
2187         (vect_analyze_group_access): Skip statements that can't be
2188         vectorized. If the analysis fails, mark the statement as
2189         unvectorizable if vectorizing basic block.
2190         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2191         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2192         generated stmts for SLP.
2193         (new_stmt_vec_info): Initialize the new field.
2194         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2195         statements marked as unvectorizable.
2196
2197 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2198
2199         * c-common.c (flag_isoc1x): New.
2200         (flag_isoc99): Update comment.
2201         * c-common.h (flag_isoc1x): New.
2202         (flag_isoc99): Update comment.
2203         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2204         __<type>_DECIMAL_DIG__.
2205         * c-opts.c (set_std_c1x): New.
2206         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2207         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2208         * c.opt (-std=c1x, -std=gnu1x): New options.
2209         * doc/cpp.texi: Mention -std=c1x.
2210         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2211         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2212         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2213         * doc/standards.texi: Mention C1X.
2214         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2215         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2216         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2217         Define for C1X.
2218
2219 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2220
2221         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2222         placeholder from 0x%x to %#x.
2223         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2224         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2225         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2226         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2227         * config/i386/i386.c (ix86_target_string): Ditto.
2228         (output_pic_addr_const): Ditto.
2229         (print_operand): Ditto.
2230
2231 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2232
2233         * combine.c (find_split_point): Add third argument.  Use it
2234         to find nested multiply-accumulate instructions.  Adjust calls.
2235         (try_combine): Adjust call to find_split_point.
2236
2237 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2238
2239         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2240
2241 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2242
2243         PR tree-optimization/41442
2244         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2245         (fold_binary_loc): Call it.
2246
2247 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2248
2249         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2250         * opts.c (common_handle_option): Allow disabling it.
2251         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2252
2253 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2254
2255         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2256         between modes if both types are integral.
2257
2258 2010-04-23  Richard Guenther  <rguenther@suse.de>
2259
2260         PR tree-optimization/43572
2261         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2262
2263 2010-04-23  Richard Guenther  <rguenther@suse.de>
2264
2265         PR lto/43455
2266         * tree-inline.c (tree_can_inline_p): Also check compatibility
2267         of return types.
2268
2269 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2270
2271         PR tree-optimization/43846
2272         * tree-sra.c (struct access): New flag grp_assignment_read.
2273         (build_accesses_from_assign): Set grp_assignment_read.
2274         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2275         (enum mark_read_status): New type.
2276         (analyze_access_subtree): Propagate grp_assignment_read, create
2277         accesses also if both direct_read and root->grp_assignment_read.
2278
2279 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2280
2281         PR middle-end/43835
2282         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2283         function does not have type attributes.
2284
2285 2010-04-23  Richard Guenther  <rguenther@suse.de>
2286
2287         PR lto/42653
2288         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2289         of FUNCTION_DECLs.
2290
2291 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2292
2293         * sese.h (create_if_region_on_edge): Remove.
2294
2295         * sese.c (create_if_region_on_edge): Make static.
2296
2297         * tree-inline.c: Do not include ggc.h.
2298
2299         * expr.c: Do not include ggc.h.
2300
2301         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2302         dependencies.
2303
2304 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2305
2306         PR target/43744
2307         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2308         in the middle of insns for casesi_worker_2.
2309
2310 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2311
2312         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2313
2314 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2315
2316         PR tree-optimization/43842
2317         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2318         loop unrolling in update of exit phis. Fix comment.
2319         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2320         least two reduction statements in the loop before starting SLP
2321         analysis.
2322
2323 2010-04-22  Nick Clifton  <nickc@redhat.com>
2324
2325         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2326
2327 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2328
2329         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2330         to simplify a + ~a.
2331
2332 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2333
2334         * tree-parloops.c (loop_parallel_p): New argument
2335         parloop_obstack.  Pass it down.
2336         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2337         pass it down, free it.
2338
2339         * tree-loop-linear.c (linear_transform_loops): Pass down
2340         lambda_obstack.
2341
2342         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2343         of type struct obstack *.
2344
2345         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2346         scratch_obstack.  Initialize it, pass down, free it.
2347
2348         * lambda.h (lambda_loop_new): Remove.
2349         (lambda_matrix_new, lambda_matrix_inverse)
2350         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2351         argument of type struct obstack *.
2352
2353         * lambda-trans.c (lambda_trans_matrix_new): New argument
2354         lambda_obstack.  Pass it down, use obstack allocation for ret.
2355         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2356         it down.
2357
2358         * lambda-mat.c (lambda_matrix_get_column)
2359         (lambda_matrix_project_to_null): Remove.
2360         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2361         allocation for mat.
2362         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2363         lambda_obstack.
2364
2365         * lambda-code.c (lambda_loop_new): New function.
2366         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2367         (lambda_compute_auxillary_space, lambda_compute_target_space)
2368         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2369         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2370         (build_access_matrix): New argument lambda_obstack.  Use obstack
2371         allocation for am.
2372         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2373         argument lambda_obstack.  Pass it down.
2374
2375 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2376
2377         * optabs.h (expand_widening_mult): Declare.
2378
2379 2010-04-22  Richard Guenther  <rguenther@suse.de>
2380
2381         PR tree-optimization/43845
2382         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2383         lookup the CALL_EXPR function and arguments.
2384
2385 2010-04-22  Nick Clifton  <nickc@redhat.com>
2386
2387         * config/stormy16/stormy16.c
2388         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2389         * config/stormy16/stormy16.h: Tidy up formatting.
2390         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2391         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2392         (ineqbranchsi): Delete pattern.
2393         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2394         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2395         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2396         stormy16-lib2-ucmpsi2.c.
2397
2398 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2399
2400         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2401         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2402         extra set merge_set_noclobber, and use it to relax the final test
2403         slightly.
2404         * df.h (df_simulate_find_noclobber_defs): Declare.
2405         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2406         conditional defs.
2407         (df_simulate_find_noclobber_defs): New function.
2408
2409 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2410
2411         * config/i386/i386.md: Use {} around multi-line preparation statements.
2412
2413 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2414
2415         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2416         (process_init_element): New argument of type struct obstack *.
2417
2418         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2419         (set_init_index, set_init_label, set_nonincremental_init)
2420         (set_nonincremental_init_from_string, find_init_member)
2421         (output_init_element, output_pending_init_elements)
2422         (process_init_element): New argument braced_init_obstack.  Pass it
2423         down.
2424         (push_range_stack, add_pending_init): New argument
2425         braced_init_obstack.  Use obstack allocation.
2426
2427         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2428         braced_init_obstack.  Pass it down.
2429         (c_parser_braced_init): New variables ret, braced_init_obstack.
2430         Initialize obstack, pass it down and finally free it.
2431
2432 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2433
2434         PR middle-end/29274
2435         * tree-pass.h (pass_optimize_widening_mul): Declare.
2436         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2437         gate_optimize_widening_mul): New static functions.
2438         (pass_optimize_widening_mul): New.
2439         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2440         <case MULT_EXPR>: Remove support for widening multiplies.
2441         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2442         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2443         simplify_gen_unary rather than directly building extensions.
2444         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2445         WIDEN_MULT_EXPR.
2446         * expmed.c (expand_widening_mult): New function.
2447         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2448
2449 2010-04-21  Jan Hubicka  <jh@suse.cz>
2450
2451         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2452         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2453         * lto-wpa-fixup.c: Remove.
2454         * Makefile.in (lto-wpa-fixup.o): Remove.
2455         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2456         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2457         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2458
2459 2010-04-21  Jan Hubicka  <jh@suse.cz>
2460
2461         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2462         add write_optimization_summary, read_optimization_summary.
2463         (ipa_write_summaries_of_cgraph_node_set): Remove.
2464         (ipa_write_optimization_summaries): Declare.
2465         (ipa_read_optimization_summaries): Declare.
2466         * ipa-cp.c (pass_ipa_cp): Update.
2467         * ipa-reference.c (pass_ipa_reference): Update.
2468         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2469         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2470         Update.
2471         * ipa-inline.c (pass_ipa_inline): Update.
2472         * ipa.c (pass_ipa_whole_program): Update.
2473         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2474         * passes.c (ipa_write_summaries_1): Do not test wpa.
2475         (ipa_write_optimization_summaries_1): New.
2476         (ipa_write_optimization_summaries): New.
2477         (ipa_read_summaries): Do not test ltrans.
2478         (ipa_read_optimization_summaries_1): New.
2479         (ipa_read_optimization_summaries): New.
2480
2481 2010-04-21  Jan Hubicka  <jh@suse.cz>
2482
2483         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2484         for boundary nodes.
2485         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2486
2487 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2488
2489         PR debug/40040
2490         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2491         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2492
2493 2010-04-21  Jan Hubicka  <jh@suse.cz>
2494
2495         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2496
2497 2010-04-21  Jan Hubicka  <jh@suse.cz>
2498
2499         * varpool.c (decide_is_variable_needed): Variable is always needed
2500         during ltrans.
2501
2502 2010-04-21  Jan Hubicka  <jh@suse.cz>
2503
2504         * opts.c (decode_options): Enable pure-const pass for whopr.
2505
2506 2010-04-21  Jan Hubicka  <jh@suse.cz>
2507
2508         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2509         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2510         at WPA dumping.
2511         (cgraph_decide_inlining): Do not expect callee to be removed in all
2512         cases.
2513
2514 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2515
2516         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2517
2518 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2519
2520         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2521         amdfam10_decode attributes.
2522
2523 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2524
2525         PR middle-end/43570
2526         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2527         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2528         (lower_copyprivate_clauses): Use private var in outer
2529         context instead of original var.  Make sure the types
2530         are correct for VLAs.
2531
2532 2010-04-21  Richard Guenther  <rguenther@suse.de>
2533
2534         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2535         to non-pointer objects.
2536
2537 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2538
2539         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2540         last chain entry if it starts with the still current label.
2541         (add_location_or_const_value_attribute): Check that
2542         loc_list->first->next is NULL instead of comparing ->first with ->last.
2543         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2544         to add_var_loc_to_decl.
2545
2546         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2547         >= 4 add also address size and segment size fields into CIE header.
2548
2549         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2550         long as address size is the same as sizeof (void *) and
2551         segment size is 0.
2552         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2553         address size or segment size is unexpected, return DW_EH_PE_omit.
2554         (classify_object_over_fdes): If get_cie_encoding returned
2555         DW_EH_PE_omit, return -1.
2556         (init_object): If classify_object_over_fdes returned -1,
2557         pretend there were no FDEs at all.
2558
2559 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2560
2561         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2562         bswap{si,di}2 using SWI48 mode iterator.
2563         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2564         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2565         set modrm attribute of bswap insn to 0 and remove length attribute.
2566         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2567         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2568         set mode attribute to <MODE> and remove length attribute.
2569
2570 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2571
2572         PR rtl-optimization/43520
2573         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2574         zero available registers.
2575
2576 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2577
2578         * builtins.c (fold_builtin_cproj): Fold more cases.
2579
2580 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2581
2582         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2583         (fold_builtin_1): Fold builtin cproj.
2584         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2585         Use ATTR_CONST_NOTHROW_LIST.
2586
2587 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2588
2589         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2590         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2591         ffsi2_no_cmove for !TARGET_CMOVE.
2592         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2593         (ffssi2): Remove expander.
2594         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2595         mode iterator.
2596         (ctz<mode>2): Ditto from ctz{si,di}2.
2597         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2598         mode iterator.
2599         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2600         mode iterator.
2601
2602 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2603
2604         * dwarf2out.c (AT_linkage_name): Define.
2605         (clone_as_declaration): Handle DW_AT_linkage_name.
2606         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2607         of DW_AT_MIPS_linkage_name.
2608         (move_linkage_attr): Likewise.
2609         (dwarf2out_finish): Likewise.
2610
2611 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2612
2613         PR middle-end/41952
2614         * fold-const.c (fold_comparison): New folding rule.
2615
2616 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2617
2618         * double-int.h (double_int_setbit): Declare.
2619         * double-int.c (double_int_setbit): New function.
2620         * rtl.h (immed_double_int_const): Declare.
2621         * emit-rtl.c (immed_double_int_const): New function.
2622         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2623         and immed_double_int_const functions.
2624         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2625         expand_copysign_bit):  (Ditto.).
2626         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2627         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2628         * dojump.c (prefer_and_bit_test): (Ditto.).
2629         * expr.c (convert_modes, reduce_to_bit_field_precision,
2630         const_vector_from_tree): (Ditto.).
2631         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2632
2633 2010-04-20  Jan Hubicka  <jh@suse.cz>
2634
2635         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2636         (dump_cgraph_node): Dump new flags.
2637         * cgraph.h (struct cgraph_node): Add flags
2638         reachable_from_other_partition and in_other_partition.
2639         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2640         other partition can not be removed.
2641         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2642         the other partition must be output; silence sanity checking on
2643         leaking functions bodies from other paritition.
2644         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2645         (lto_output_node): Output new flags; do not sanity check that inline
2646         clones are output; drop lto_forced_extern_inline_p code; do not mock
2647         visibility flags at partition boundaries.
2648         (add_node_to): New function.
2649         (output_cgraph): Use it to sort functions so masters appear before
2650         clones.
2651         (input_overwrite_node): Input new flags.
2652         * passes.c (ipa_write_summaries): Do not call
2653         lto_new_extern_inline_states.
2654         * lto-section-out.c (forced_extern_inline,
2655         lto_new_extern_inline_states lto_delete_extern_inline_states,
2656         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2657         * lto-streamer.h (lto_new_extern_inline_states,
2658         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2659         lto_forced_extern_inline_p): Kill.
2660
2661 2010-04-20  Richard Guenther  <rguenther@suse.de>
2662
2663         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2664         from vars that can have pointers.
2665         (process_constraint): Dump useless constraints.
2666
2667 2010-04-20  Richard Guenther  <rguenther@suse.de>
2668
2669         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2670         (dump_sa_points_to_info): Remove asserts.
2671         (init_base_vars): nothing_id isn't an escape point nor does it
2672         have pointers.
2673
2674 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2675
2676         * tree.h (TYPE_REF_IS_RVALUE): Define.
2677         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2678         should_move_die_to_comdat, prune_unused_types_walk): Handle
2679         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2680         (modified_type_die, gen_reference_type_die): Emit
2681         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2682         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2683
2684 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2685
2686         PR target/43635
2687         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2688         calls for -fpic -m31 if they have been sibcall optimized.
2689
2690 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2691
2692         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2693         ar.lc fixed and call-used.
2694
2695         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2696
2697 2010-04-19  Jan Hubicka  <jh@suse.cz>
2698
2699         * opts.c (decode_options): Disable whpr incompatible passes.
2700         * lto/lto.c (lto_1_to_1_map): Skip clones.
2701         (read_cgraph_and_symbols): Do not mark everything as needed.
2702         (do_whole_program_analysis): Do map only after optimizing;
2703         set proper cgraph_state; use passmanager.
2704
2705 2010-04-19  DJ Delorie  <dj@redhat.com>
2706
2707         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2708         POINTER_PLUS_EXPR and fix them.
2709
2710 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2711
2712         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2713         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2714         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2715         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2716         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2717         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2718         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2719         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2720         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2721         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2722         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2723
2724 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2725
2726         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2727         (check_cond_move_block): Likewise.
2728         (cond_move_process_if_block): Likewise.
2729         (noce_find_if_block): Improve formatting.
2730         (find_if_header): Pass 0 to memset and tweak conditions.
2731         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2732
2733 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2734
2735         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2736         for -gdwarf-4.
2737
2738         PR middle-end/43337
2739         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2740         with non-local decl doesn't need chain.
2741
2742 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2743
2744         * ira-color.c (allocno_reload_assign): Avoid accumulating
2745         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2746
2747 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2748
2749         * gimple.h (create_tmp_reg): Declare.
2750         * gimplify.c (create_tmp_reg): New function.
2751         (gimplify_return_expr): Use create_tmp_reg.
2752         (gimplify_omp_atomic): Likewise.
2753         (gimple_regimplify_operands): Likewise.
2754         * tree-dfa.c (make_rename_temp): Likewise.
2755         * tree-predcom.c (predcom_tmp_var): Likewise.
2756         (reassociate_to_the_same_stmt): Likewise.
2757         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2758         (get_replaced_param_substitute): Likewise.
2759         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2760         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2761         * tree-ssa-pre.c (get_representative_for): Likewise.
2762         (create_expression_by_pieces): Likewise.
2763         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2764         (create_tailcall_accumulator): Likewise.
2765
2766 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2767
2768         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2769         new_stmt.
2770         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2771
2772 2010-04-19  Richard Guenther  <rguenther@suse.de>
2773
2774         PR tree-optimization/43796
2775         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2776         from SCEV in the lattice.
2777         (vrp_visit_phi_node): Dump change.
2778
2779 2010-04-19  Richard Guenther  <rguenther@suse.de>
2780
2781         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2782         * configure: Re-generated.
2783
2784 2010-04-19  Richard Guenther  <rguenther@suse.de>
2785
2786         PR tree-optimization/43783
2787         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2788         constant ARRAY_REF operands two and three if possible.
2789
2790 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2791
2792         PR target/43766
2793         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2794
2795 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2796
2797         PR target/43662
2798         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2799
2800 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2801
2802         PR tree-optimization/37027
2803         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2804         and macro to access it.
2805         (vectorizable_reduction): Add argument.
2806         (vect_get_slp_defs): Likewise.
2807         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2808         statements for possible use in SLP.
2809         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2810         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2811         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2812         add new argument.
2813         (vectorizable_reduction): Likewise.
2814         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2815         vect_get_slp_defs.
2816         (vectorizable_type_demotion, vectorizable_type_promotion,
2817         vectorizable_store): Likewise.
2818         (vect_analyze_stmt): Update call to vectorizable_reduction.
2819         (vect_transform_stmt): Likewise.
2820         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2821         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2822         from different interleaving chains in same node.
2823         (vect_slp_rearrange_stmts): New function.
2824         (vect_supported_load_permutation_p): Allow load permutations for
2825         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2826         inside SLP nodes if necessary.
2827         (vect_analyze_slp_instance): Handle reductions.
2828         (vect_analyze_slp): Try to build SLP instances originating from groups
2829         of reductions.
2830         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2831         (vect_get_constant_vectors): Create initial vectors for reductions
2832         according to reduction code. Add new argument.
2833         (vect_get_slp_defs): Add new argument, pass it to
2834         vect_get_constant_vectors.
2835         (vect_schedule_slp_instance): Remove SLP tree root statements.
2836
2837 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2838
2839         * tree.h (ENUM_IS_SCOPED): Define.
2840         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2841         for ENUM_IS_SCOPED enums.
2842
2843 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2844
2845         * fold-const.c (fold_comparison): Use ssizetype.
2846         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2847         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2848         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2849         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2850
2851         * tree.h (initialize_sizetypes): Remove parameter.
2852         (build_common_tree_nodes): Remove second parameter.
2853         * stor-layout.c (initialize_sizetypes): Remove parameter.
2854         Always create an unsigned type.
2855         (set_sizetype): Assert that the passed type is unsigned and simplify.
2856         * tree.c (build_common_tree_nodes): Remove second parameter.
2857         Adjust call to initialize_sizetypes.
2858         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2859         build_common_tree_nodes.
2860
2861 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2862
2863         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2864
2865 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2866
2867         PR tree-optimization/43771
2868         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2869         load permutation doesn't have gaps.
2870
2871 2010-04-18  Jan Hubicka  <jh@suse.cz>
2872
2873         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2874         (sse_prologue_save_insn expander): Use new pattern.
2875         (sse_prologue_save_insn1): New pattern and splitter.
2876         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2877         blocks.
2878         * i386.c (setup_incoming_varargs_64): Do not compute jump
2879         destination here.
2880         (ix86_gimplify_va_arg): Update alignment needed.
2881         (ix86_local_alignment): Do not align all local arrays to 128bit.
2882
2883 2010-04-17  Jan Hubicka  <jh@suse.cz>
2884
2885         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2886
2887 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2888
2889         * arm.md (negdi2): Remove redundant code to force values into a
2890         register.
2891
2892 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2893
2894         * arm/bpabi.S: Add EABI alignment attributes to objects.
2895         * arm/bpabi-v6m.S: Likewise.
2896         * arm/crti.asm: Likewise.
2897         * arm/crtn.asm: Likewise.
2898         * arm/lib1funcs.asm: Likewise.
2899         * arm/libunwind.S: Likewise.
2900
2901 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2902
2903         * arm-protos.h (tune_params): New structure.
2904         * arm.c (current_tune): New variable.
2905         (arm_constant_limit): Delete.
2906         (struct processors): Add pointer to the tune parameters.
2907         (arm_slowmul_tune): New tuning option.
2908         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2909         (all_cores): Adjust to pick up the tuning model.
2910         (arm_constant_limit): New function.
2911         (arm_override_options): Select the appropriate tuning model.  Delete
2912         initialization of arm_const_limit.
2913         (arm_split_constant): Use the new constant-limit model.
2914         (arm_rtx_costs): Pick up the current tuning model.
2915         * arm.md (is_strongarm, is_xscale): Delete.
2916         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2917         for Xscale variant architectures.
2918         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2919
2920 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2921
2922         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2923         can_shift.
2924         (arm_rtx_costs_1): Remove unused variable extra_cost.
2925         (arm_unwind_emit_set): Use variable offset.
2926         (thumb1_output_casesi): Remove unused variable flags.
2927
2928 2010-04-16  Jeff Law  <law@redhat.com>
2929
2930         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2931         needing assignment rather than doing a two-phase assignment.  Remove
2932         unused variable 'm'.
2933
2934 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2935
2936         PR bootstrap/43767
2937         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2938
2939 2010-04-16  Doug Kwan  <dougkwan@google.com>
2940
2941         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2942         (next_operand_entry_id): New static variable.
2943         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2944         (add_to_ops_vec): Assigned unique ID to operand entry.
2945         (struct oecount_s): New field ID.
2946         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2947         (undistribute_ops_list): Assign unique IDs to oecounts.
2948         (init_reassoc): reset next_operand_entry_id.
2949
2950 2010-04-16  Doug Kwan  <dougkwan@google.com>
2951
2952         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2953         missing left parenthesis.
2954
2955 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2956
2957         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2958         *btdi_rex64 using SWI48 mode iterator.
2959         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2960         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2961         *jcc_btdi_mask_rex64.
2962
2963 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2964
2965         * double-int.h (tree_to_double_int): Convert to macro.
2966         * double-int.c (tree_to_double_int): Remove.
2967
2968 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2969
2970         PR debug/43762
2971         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2972         with want_address 2 and in case a single element list might be
2973         possible, call it again with want_address 0.
2974
2975 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2976
2977         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2978         case 'W' print operands for HI mode.
2979         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2980         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2981         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2982         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2983
2984         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2985
2986         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2987         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2988         #xx:3 and #xx:4 mode.
2989
2990         * config/h8300/h8300.md (inverted load with HImode dest): Add
2991         support for H8300SX.
2992
2993         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2994         satisfy 'U' constraint.
2995
2996 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2997
2998         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2999         * configure: Regenerate.
3000         * config.in: Regenerate.
3001         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3002         works.
3003
3004 2010-04-16  Richard Guenther  <rguenther@suse.de>
3005
3006         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3007         (struct tree_decl_common): ... here.
3008         (DECL_PT_UID): Adjust.
3009         (SET_DECL_PT_UID): Likewise.
3010         (DECL_PT_UID_SET_P): Likewise.
3011
3012 2010-04-16  Richard Guenther  <rguenther@suse.de>
3013
3014         PR tree-optimization/43572
3015         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3016         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3017         * tree-flow.h (is_call_clobbered): Remove.
3018         * tree-flow-inline.h (is_call_clobbered): Likewise.
3019         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3020         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3021         (execute_return_slot_opt): Adjust.
3022         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3023         check for call clobbered vars here.
3024         (find_tail_calls): Move tailcall verification to the
3025         proper place.
3026
3027 2010-04-16  Diego Novillo  <dnovillo@google.com>
3028
3029         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3030
3031 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3032
3033         PR target/40603
3034         * config/arm/arm.md (cbranchqi4): New pattern.
3035         * config/arm/predicates.md (const0_operand,
3036         cbranchqi4_comparison_operator): New predicates.
3037
3038 2010-04-16  Richard Guenther  <rguenther@suse.de>
3039
3040         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3041         (dump_gimple_stmt): Likewise.
3042
3043 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3044
3045         * recog.h (struct recog_data): New field is_operator.
3046         (struct insn_operand_data): New field is_operator.
3047         * recog.c (extract_insn): Set recog_data.is_operator.
3048         * genoutput.c (output_operand_data): Emit code to set the
3049         is_operator field.
3050         * reload.c (find_reloads): Use it rather than testing for an
3051         empty constraint string.
3052
3053         PR target/41514
3054         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3055         If the previous insn is a cbranchsi4_insn with the same arguments,
3056         omit the compare instruction.
3057
3058         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3059         register, inputs must be low registers and we need a low register
3060         scratch.  Handle alternative 2 like alternative 3.
3061
3062 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3063
3064         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3065         don't call get_addr on both.  If one expression is a VALUE and
3066         the other a REG, check VALUE's locs if the REG isn't among them.
3067
3068 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3069
3070         * config/sh/sh.h (sh_frame_pointer_required): New function.
3071         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3072         (flag_omit_frame_pointer) Set.
3073         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3074         (rounded_frame_size): Adjust size with outgoing_args_size.
3075         (sh_set_return_address): Must return from stack pointer.
3076         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3077         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3078         (ACCUMULATE_OUTGOING_ARGS): Define.
3079         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3080         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3081
3082 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3083
3084         PR target/43471
3085         * config/sh/sh.c (sh_legitimize_reload_address): Use
3086         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3087         Remove a unneeded check for offset_base.
3088
3089 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3090
3091         * configure: Regenerated.
3092
3093 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3094
3095         * config/s390/s390.c (s390_call_save_register_used): Switch back
3096         to HARD_REGNO_NREGS.
3097
3098 2010-04-15  Richard Guenther  <rguenther@suse.de>
3099
3100         * alias.c (alias_set_subset_of): Handle alias-set zero
3101         child properly.
3102
3103 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3104             Julian Brown  <julian@codesourcery.com>
3105
3106         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3107         alternatives according to use of high and low regs.
3108         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3109         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3110         optimizing for size on Thumb-2.
3111
3112 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3113
3114         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3115
3116 2010-04-15  Richard Guenther  <rguenther@suse.de>
3117
3118         * tree-ssa-structalias.c (struct variable_info): Add
3119         is_fn_info flag.
3120         (new_var_info): Initialize it.
3121         (dump_constraints): Support printing last added constraints.
3122         (debug_constraints): Adjust.
3123         (dump_constraint_graph): Likewise.
3124         (make_heapvar_for): Check for NULL cfun.
3125         (get_function_part_constraint): New function.
3126         (get_fi_for_callee): Likewise.
3127         (find_func_aliases): Properly implement IPA PTA constraints.
3128         (process_ipa_clobber): New function.
3129         (find_func_clobbers): Likewise.
3130         (insert_into_field_list_sorted): Remove.
3131         (create_function_info_for): Properly allocate vars for IPA mode.
3132         Do not use insert_into_field_list_sorted.
3133         (create_variable_info_for): Properly generate constraints for
3134         global vars in IPA mode.
3135         (dump_solution_for_var): Always dump the solution.
3136         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3137         (find_what_var_points_to): Adjust.
3138         (pt_solution_set): Change.
3139         (pt_solution_ior_into): New function.
3140         (pt_solution_empty_p): Export.
3141         (pt_solution_includes_global): Adjust.
3142         (pt_solution_includes_1): Likewise.
3143         (pt_solutions_intersect_1): Likewise.
3144         (dump_sa_points_to_info): Check some invariants.
3145         (solve_constraints): Move constraint dumping ...
3146         (compute_points_to_sets): ... here.
3147         (ipa_pta_execute): ... and here.
3148         (compute_may_aliases): Do not re-compute points-to info
3149         locally if IPA info is available.
3150         (ipa_escaped_pt): New global var.
3151         (ipa_pta_execute): Properly implement IPA PTA.
3152         * tree-into-ssa.c (dump_decl_set): Support dumping
3153         decls not in referenced-vars.
3154         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3155         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3156         (dump_points_to_solution): Likewise.
3157         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3158         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3159         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3160         (copy_decl_to_var): Copy DECL_PT_UID.
3161         (copy_result_decl_to_var): Likewise.
3162         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3163         (copy_node_stat): Copy it.
3164         * tree.h (DECL_PT_UID): New macro.
3165         (SET_DECL_PT_UID): Likewise.
3166         (DECL_PT_UID_SET_P): Likewise.
3167         (struct tree_decl_minimal): Add pt_uid member.
3168         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3169         (pt_solution_empty_p): Declare.
3170         (pt_solution_set): Adjust.
3171         (ipa_escaped_pt): Declare.
3172         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3173         * gimple-pretty-print.c (pp_points_to_solution): New function.
3174         (dump_gimple_call): Dump call clobber/use information.
3175         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3176         * tree-pass.h (TDF_ALIAS): New dump option.
3177         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3178         * doc/invoke.texi (-fipa-pta): Update documentation.
3179
3180 2010-04-15  Richard Guenther  <rguenther@suse.de>
3181
3182         * Makefile.in (OBJS-common): Add gimple-fold.o.
3183         (gimple-fold.o): New rule.
3184         * tree.h (maybe_fold_offset_to_reference,
3185         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3186         prototypes ...
3187         * gimple.h: ... here.
3188         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3189         may_propagate_address_into_dereference): Move prototypes ...
3190         * gimple.h: ... here.
3191         * tree-ssa-ccp.c (get_symbol_constant_value,
3192         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3193         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3194         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3195         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3196         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3197         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3198         gimplify_and_update_call_from_tree): Move ...
3199         * gimple-fold.c: ... here.  New file.
3200         (ccp_fold_builtin): Rename to ...
3201         (gimple_fold_builtin): ... this.
3202         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3203
3204 2010-04-15  Richard Guenther  <rguenther@suse.de>
3205
3206         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3207         fit_double_type, force_fit_type_double, add_double_with_sign,
3208         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3209         lrotate_double, rrotate_double, div_and_round_double): Move ...
3210         * double-int.c: ... here.
3211         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3212         add_double, neg_double, mul_double_with_sign, mul_double,
3213         lshift_double, rshift_double, lrotate_double, rrotate_double,
3214         div_and_round_double): Move prototypes ...
3215         * double-int.h: ... here.
3216
3217 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3218
3219         PR target/43742
3220         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3221         matching constraints to ensure inputs match the output.
3222
3223 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3224
3225         PR target/43742
3226         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3227         in an input-only operand.
3228
3229 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3230
3231         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3232         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3233         (double_int_negative_p): Convert to static inline function.
3234         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3235         (double_int_negative_p): Remove.
3236         * tree.h (lshift_double, rshift_double):
3237         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3238         * fold-const.c (fold_convert_const_int_from_real,
3239         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3240         (lshift_double): Change type of arith argument to bool.
3241         (rshift_double): Change type of arith argument to bool. Correct
3242         comment.
3243         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3244
3245 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3246
3247         PR target/21803
3248         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3249         at the start and end of the then/else blocks, and omit them from the
3250         conversion.
3251         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3252         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3253         (flow_find_head_matching_sequence): New function.
3254         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3255         * basic-block.h (flow_find_cross_jump,
3256         flow_find_head_matching_sequence): Declare functions.
3257
3258 2010-04-14  Jason Merrill  <jason@redhat.com>
3259
3260         PR c++/36625
3261         * c-common.c (attribute_takes_identifier_p): New fn.
3262         * c-common.h: Declare it.
3263
3264 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3265
3266         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3267         splitter condition.
3268         (*udivmod<mode>4): Ditto.
3269
3270 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3271
3272         * config/i386/i386.md (maxmin_int): Rename code attribute from
3273         maxminiprefix and update all users.
3274         (maxmin_float): Ditto from maxminfprefix.
3275         (logic): Ditto from logicprefix.
3276         (absneg_mnemonic): Ditto from absnegprefix.
3277         * config/i386/mmx.md: Update all users of maxminiprefix,
3278         maxminfprefix and logicprefix for rename.
3279         * config/i386/sse.md: Ditto.
3280         * config/i386/sync.md (sync_<code><mode>): Update for
3281         logicprefix rename.
3282
3283 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3284
3285         PR 42966
3286         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3287         warnings converted to errors.
3288
3289 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3290
3291         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3292         used insn_type variable.
3293         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3294         to avoid set-but-not-used warning.
3295
3296 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3297
3298         * df-core.c (df_ref_debug): Change format string placeholder
3299         from 0x%x to %#x.
3300         * dwarf2asm.c (dw2_asm_output_data_raw,
3301         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3302         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3303         * dwarf2out.c (output_cfi, output_cfi_directive,
3304         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3305         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3306         Ditto.
3307         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3308         * print-rtl.c (print_rtx): Ditto.
3309
3310 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3311
3312         PR middle-end/42694
3313         * builtins.c (expand_builtin_pow_root): New function to expand pow
3314         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3315         series of sqrt and cbrt calls under -ffast-math.
3316         (expand_builtin_pow): Call it.
3317
3318 2010-04-14  Michael Matz  <matz@suse.de>
3319
3320         PR tree-optimization/42963
3321         * tree-cfg.c (touched_switch_bbs): New static variable.
3322         (group_case_labels_stmt): New function broken out from ...
3323         (group_case_labels): ... here, use the above.
3324         (start_recording_case_labels): Allocate touched_switch_bbs.
3325         (end_recording_case_labels): Deallocate it, call
3326         group_case_labels_stmt.
3327         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3328
3329 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3330
3331         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3332         from insn template.
3333
3334 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3335
3336         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3337
3338 2010-04-13  Jan Hubicka  <jh@suse.cz>
3339
3340         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3341         of optimized out static functions.
3342         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3343         cost computation.  Also sanity check for overflows.
3344         (update_caller_keys): Update cgraph_edge_badness call; properly
3345         update fibheap and sanity check that it is up to date.
3346         (add_new_edges_to_heap): Update cgraph_edge_badness.
3347         (cgraph_decide_inlining_of_small_function): Likewise;
3348         add sanity checking that badness in heap is up to date;
3349         improve dumping of reason; Update badness of calls to the
3350         offline copy of function currently inlined; dump badness
3351         of functions not inlined because of unit growth limits.
3352
3353 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3354
3355         PR middle-end/32628
3356         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3357         because of sign-extension change when converting to sizetype here...
3358         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3359
3360         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3361         the folding to constants.  Remove redundant final conversion.
3362         (fold_binary) <associate>: Do not associate if the re-association of
3363         constants alone overflows.
3364         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3365         to the end of the list.
3366         (multiple_of_p) <COND_EXPR>: New case.
3367
3368 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3369
3370         * opt-functions.awk (opt_sanitized_name): New.
3371         (opt_enum): New.
3372         * optc-gen.awk: Use it
3373         * opth-gen.awk: Use it.
3374
3375 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3376
3377         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3378         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3379         children.  Call replace_uses_with_default_def_ssa_name to handle
3380         SSA_NAES on lhs.
3381
3382 2010-04-13  Michael Matz  <matz@suse.de>
3383
3384         PR middle-end/43730
3385         * builtins.c (expand_builtin_interclass_mathfn): Also create
3386         a register if the predicate doesn't match.
3387
3388 2010-04-13  Diego Novillo  <dnovillo@google.com>
3389
3390         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3391         * c-pch.c: Include timevar.h.
3392         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3393         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3394         * ggc-common.c: Include timevar.h.
3395         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3396         * timevar.def (TV_PCH_SAVE): Define.
3397         (TV_PCH_CPP_SAVE): Define.
3398         (TV_PCH_PTR_REALLOC): Define.
3399         (TV_PCH_PTR_SORT): Define.
3400         (TV_PCH_RESTORE): Define.
3401         (TV_PCH_CPP_RESTORE): Define.
3402
3403 2010-04-13  Michael Matz  <matz@suse.de>
3404
3405         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3406         into MINUS_EXPRs.
3407         (can_reassociate_p): New function.
3408         (break_up_subtract_bb, reassociate_bb): Use it.
3409
3410 2010-04-13  Richard Guenther  <rguenther@suse.de>
3411
3412         PR bootstrap/43737
3413         * builtins.c (c_readstr): Fix assert.
3414
3415 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3418         when generating cltd insn.
3419
3420         (*ashl<mode>3_1): Remove special handling for register operand 2.
3421         (*ashlsi3_1_zext): Ditto.
3422         (*ashlhi3_1): Ditto.
3423         (*ashlhi3_1_lea): Ditto.
3424         (*ashlqi3_1): Ditto.
3425         (*ashlqi3_1_lea): Ditto.
3426         (*<shiftrt_insn><mode>3_1): Ditto.
3427         (*<shiftrt_insn>si3_1_zext): Ditto.
3428         (*<shiftrt_insn>qi3_1_slp): Ditto.
3429         (*<rotate_insn><mode>3_1): Ditto.
3430         (*<rotate_insn>si3_1_zext): Ditto.
3431         (*<rotate_insn>qi3_1_slp): Ditto.
3432
3433 2010-04-13  Richard Guenther  <rguenther@suse.de>
3434
3435         * tree-ssa-structalias.c (callused_id): Remove.
3436         (call_stmt_vars): New.
3437         (get_call_vi): Likewise.
3438         (lookup_call_use_vi): Likewise.
3439         (lookup_call_clobber_vi): Likewise.
3440         (get_call_use_vi): Likewise.
3441         (get_call_clobber_vi): Likewise.
3442         (make_transitive_closure_constraints): Likewise.
3443         (handle_const_call): Adjust to do per-call call-used handling.
3444         (handle_pure_call): Likewise.
3445         (find_what_var_points_to): Remove general callused handling.
3446         (init_base_vars): Likewise.
3447         (init_alias_vars): Initialize call_stmt_vars.
3448         (compute_points_to_sets): Process call-used and call-clobbered
3449         vars for call statements.
3450         (delete_points_to_sets): Free call_stmt_vars.
3451
3452 2010-04-13  Richard Guenther  <rguenther@suse.de>
3453
3454         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3455         Only add RW dependence for dependence distance zero.
3456         Adjust maximal vectorization factor according to dependences.
3457         Move alignment handling ...
3458         (vect_find_same_alignment_drs): ... here.  New function.
3459         (vect_analyze_data_ref_dependences): Adjust.
3460         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3461         (vect_analyze_data_refs): Adjust minimal vectorization factor
3462         according to data references.
3463         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3464         dependences before determining the vectorization factor.
3465         Analyze alignment after determining the vectorization factor.
3466         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3467         dependences before alignment.
3468         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3469         Adjust prototype.
3470         (vect_analyze_data_refs): Likewise.
3471         (MAX_VECTORIZATION_FACTOR): New define.
3472
3473 2010-04-13  Duncan Sands  <baldrick@free.fr>
3474
3475         * except.h (lang_eh_type_covers): Remove.
3476         * except.c (lang_eh_type_covers): Likewise.
3477
3478 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3479             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3480
3481         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3482         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3483         UNITS_PER_LONG where it is ABI relevant.
3484         (s390_return_addr_rtx): Likewise.
3485         (s390_back_chain_rtx): Likewise.
3486         (s390_frame_area): Likewise.
3487         (s390_frame_info): Likewise.
3488         (s390_initial_elimination_offset): Likewise.
3489         (save_gprs): Likewise.
3490         (s390_emit_prologue): Likewise.
3491         (s390_emit_epilogue): Likewise.
3492         (s390_function_arg_advance): Likewise.
3493         (s390_function_arg): Likewise.
3494         (s390_va_start): Likewise.
3495         (s390_gimplify_va_arg): Likewise.
3496         (s390_function_profiler): Likewise.
3497         (s390_optimize_prologue): Likewise.
3498         (s390_rtx_costs): Likewise.
3499         (s390_secondary_reload): Likewise.
3500         (s390_promote_function_mode): Likewise.
3501         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3502         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3503         registers available.
3504         (s390_unwind_word_mode): New function.
3505         (s390_function_value): Split 64 bit values into register pair if
3506         used as return value.
3507         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3508         function call parameters.  Handle parallels.
3509         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3510         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3511         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3512         (s390_expand_setmem): Remove unused variable src_addr.
3513         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3514         deal with 64 bit registers.
3515         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3516         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3517         (UNITS_PER_LONG): New macro.
3518         * libjava/include/s390-signal.h: Define extended ucontext
3519         structure containing the upper halfs of the 64 bit registers.
3520
3521 2010-04-13  Simon Baldwin  <simonb@google.com>
3522
3523         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3524
3525 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3526
3527         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3528         rvalue on the RHS if the LHS is of a non-renamable type.
3529         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3530
3531 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3532
3533         * gcc.c (cc1_options): Handle -iplugindir before processing
3534         the cc1 spec. Only add -iplugindir once.
3535         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3536         found.
3537         * common.opt (iplugindir): Remove `Separate' property, initialize.
3538         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3539         option.
3540         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3541         (distclean): Remove plugin dir.
3542         * doc/invoke.texi: Document -iplugindir.
3543
3544 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3545
3546         * doc/plugins.texi (Loading Plugins): Document short
3547         -fplugin=foo option.
3548         (Plugin API): Mention default_plugin_dir_name function.
3549
3550         * gcc.c (find_file_spec_function): Add new declaration.
3551         (static_spec_func): Use it for "find-file".
3552         (find_file_spec_function): Add new function.
3553         (cc1_options): Add -iplugindir option if -fplugin* options found.
3554
3555         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3556
3557         * plugin.c (add_new_plugin): Updated comment, and handle short
3558         plugin name.
3559         (default_plugin_dir_name): Added new function.
3560
3561         * common.opt (iplugindir): New option to set the plugin directory.
3562
3563 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3564
3565         * config/i386/i386.md (any_rotate): New code iterator.
3566         (rotate_insn): New code attribute.
3567         (rotate): Ditto.
3568         (SWIM124): New mode iterator.
3569         (<rotate_insn>ti3): New expander.
3570         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3571         any_rotate code iterator.
3572         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3573         using any_rotate code iterator and SWIM124 mode iterator.
3574         (ix86_rotlti3): New insn_and_split pattern.
3575         (ix86_rotrti3): Ditto.
3576         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3577         ix86_rotl{di,ti}3 patterns.
3578         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3579         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3580         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3581         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3582         code iterator and SWI mode iterator.
3583         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3584         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3585         code iterator.
3586         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3587         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3588         (bswap rotatert splitter): Add splitter.
3589         (bswap splitter): Macroize splitter using any_rotate code iterator.
3590         Add insn predicate to split only for TARGET_USE_XCHGB or when
3591         optimizing function for size.
3592
3593 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3594
3595         * config/pa/pa.c (emit_move_sequence): Remove use of
3596         deleted variable flag_argument_noalias.
3597
3598 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3599
3600         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3601         configurations.
3602         Add to unsupported targets list.
3603         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3604         sparc*-sun-solaris2.[567]* from target lists.
3605         * configure: Regenerate.
3606         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3607         removal.
3608         Remove Solaris 7 patch references.
3609         (Specific, sparc-sun-solaris2.7): Removed.
3610         (sparc-sun-solaris2*): Update Solaris 7 example.
3611         (sparc64-*-solaris2*): Likewise.
3612
3613 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3614
3615         * config.build (alpha*-dec-osf4*): Remove.
3616         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3617         of obsolete configurations.
3618         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3619         support.
3620         * config/alpha/t-osf4: Renamed to ...
3621         * config/alpha/t-osf5: ... this.
3622         * config/alpha/osf.h: Renamed to ...
3623         * config/alpha/osf5.h: ... this.
3624         Merged old osf5.h contents.
3625         Update comments.
3626         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3627         (EXTRA_SPECS): Removed.
3628         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3629         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3630         Document that.
3631
3632 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3633
3634         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3635
3636 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3637
3638         PR/43702
3639         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3640         __thiscall convention.
3641
3642 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3643
3644         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3645         orig_base.
3646         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3647
3648 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3649
3650         * function.c (assign_parms_initialize_all): Add unused attribute
3651         to fntype.
3652
3653 2010-04-12  Richard Guenther  <rguenther@suse.de>
3654
3655         * gsstruct.def (GSS_CALL): New.
3656         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3657         * gimple.h: Include tree-ssa-alias.h.
3658         (struct gimple_statement_call): New.
3659         (union gimple_statement_struct_d): Add gimple_call member.
3660         (gimple_call_reset_alias_info): Declare.
3661         (gimple_call_use_set): New function.
3662         (gimple_call_clobber_set): Likewise.
3663         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3664         * gimple.c (gimple_call_reset_alias_info): New function.
3665         (gimple_build_call_1): Call it.
3666         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3667         * tree-inline.c (remap_gimple_stmt): Likewise.
3668         (expand_call_inline): Remove callused handling.
3669         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3670         * tree-dfa.c (dump_variable): Likewise.
3671         * tree-parloops.c (parallelize_loops): Likewise.
3672         * tree-ssa.c (init_tree_ssa): Likewise.
3673         (delete_tree_ssa): Likewise.
3674         * tree-flow-inline.h (is_call_used): Remove.
3675         * tree-flow.h (struct gimple_df): Remove callused member.
3676         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3677         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3678         (ref_maybe_used_by_call_p_1): Simplify.
3679         (call_may_clobber_ref_p_1): Likewise.
3680         * tree-ssa-structalias.c (compute_points_to_sets): Set
3681         the call stmt used and clobbered sets.
3682         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3683         (find_tail_calls): Verify the tail call.
3684
3685 2010-04-12  Richard Guenther  <rguenther@suse.de>
3686
3687         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3688         single-iteration always-inline inlining.
3689         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3690         (cgraph_decide_inlining): Do not handle always-inline specially.
3691         (try_inline): Remove always-inline cycle detection special case.
3692         Do not recurse on always-inlines.
3693         (cgraph_early_inlining): Do not iterate if not optimizing.
3694         (cgraph_gate_early_inlining): remove.
3695         (pass_early_inline): Run unconditionally.
3696         (gate_cgraph_decide_inlining): New function.
3697         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3698         not inlining or optimizing.
3699         (cgraph_decide_inlining_of_small_functions): Also consider
3700         always-inline functions.
3701         (cgraph_default_inline_p): Return true for nodes which should
3702         disregard inline limits.
3703         (estimate_function_body_sizes): Assume zero size and time for
3704         nodes which are marked as disregarding inline limits.
3705         (cgraph_decide_recursive_inlining): Do not perform recursive
3706         inlining on always-inline nodes.
3707
3708 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3709
3710         PR bootstrap/43699
3711         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3712         for exprs satisfying handled_component_p.
3713
3714 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3715
3716         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3717         non-constant aggregate elements.
3718
3719         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3720         is a real initialization.
3721
3722 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3723
3724         PR c/36774
3725         * c-decl.c (start_function): Move forward check for nested function.
3726
3727 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3728
3729         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3730         * config/sh/sh.c: Include reload.h.
3731         (sh_legitimize_reload_address): New.
3732         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3733         sh_legitimize_reload_address.
3734
3735 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3736
3737         * config/sh/sh.md (*movqi_pop): New insn pattern.
3738         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3739
3740 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3741
3742         * config/i386/i386.md (any_shiftrt): New code iterator.
3743         (shiftrt_insn): New code attribute.
3744         (shiftrt): Ditto.
3745         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3746         using any_shiftrt code iterator.
3747         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3748         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3749         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3750         pattern from corresponding peephole2 patterns.
3751         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3752         using any_shiftrt code iterator.
3753         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3754         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3755         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3756         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3757         *{ashr,lshr}<mode>3_cmp_zext.
3758         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3759
3760 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3761
3762         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3763         scratch register.
3764         (*lshr<mode>3_cconly): Ditto.
3765
3766 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3767
3768         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3769         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3770         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3771         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3772         DWI mode iterator.
3773         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3774         from corresponding peephole2 patterns.
3775         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3776         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3777         and *lshrdi3_1_rex64 using SWI mode iterator.
3778         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3779         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3780         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3781         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3782         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3783         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3784         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3785         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3786         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3787         SWI mode iterator.
3788
3789 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3790
3791         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3792         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3793         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3794         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3795         DWI mode iterator.
3796         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3797         from corresponding peephole2 patterns.
3798         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3799         (ashrsi3_cvt): Rename from ashrsi3_31.
3800         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3801         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3802         and x86_64_shift_adj_3 using SWI48 mode iterator.
3803         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3804         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3805         and *ashrdi3_1_rex64 using SWI mode iterator.
3806         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3807         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3808         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3809         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3810         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3811         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3812         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3813         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3814         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3815         SWI mode iterator.
3816         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3817         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3818         x86_shift<mode>_adj_3 expanders.
3819
3820 2010-04-10  Wei Guozhi  <carrot@google.com>
3821
3822         PR target/42601
3823         * config/arm/arm.c (arm_pic_static_addr): New function.
3824         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3825         a static symbol.
3826         (arm_output_addr_const_extra): Output expression for new pattern.
3827         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3828
3829 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3830
3831         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3832         not enabled.
3833
3834         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3835         * web.c: Include "insn-config.h" and "recog.h".
3836         (union_match_dups): New function.
3837         (web_main): Call it.
3838         (union_defs): Don't try to recognize match_dups.
3839
3840         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3841         if doing so would replace the entire pattern.
3842
3843 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3844
3845         PR target/43707
3846         PR target/43709
3847         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3848         and splitter pattern.  Change splitter operand 1 predicate to
3849         nonmemory_operand.
3850
3851 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3852
3853         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3854         lattices are addresses of CONST_DECLs with the same initial value.
3855         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3856         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3857
3858 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3859             Bernd Schmidt  <bernds@codesourcery.com>
3860
3861         * loop-invariant.c (replace_uses): New static function.
3862         (move_invariant_reg): Use it to ensure we can replace the uses.
3863
3864 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3865
3866         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3867         function template.
3868         (picochip_override_options): Enable section anchors only above -O1.
3869         (picochip_reorg): Fixed a couple of build warnings.
3870
3871 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3872
3873         * configure.ac (plugin -rdynamic test): Log result.
3874         * configure: Regenerate.
3875         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3876         (RDYNAMIC_SPEC): Define.
3877         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3878
3879 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3880
3881         * configure.ac: Determine Sun ld version numbers.
3882         (comdat_group): Restrict GNU ld version checks to gld.
3883         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3884         (enable_comdat): Support --enable-comdat.
3885         * configure: Regenerate.
3886         * doc/install.texi (Configuration): Document --enable-comdat.
3887
3888 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3889
3890         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3891         * config/sol2-gld.h: ... here.
3892         * config.gcc (sparc*-*-solaris2*): Reflect this.
3893         (i[34567]86-*-solaris2*): Use it.
3894
3895 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3896
3897         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3898         setup_clocks_p.
3899         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3900
3901 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3902
3903         PR 42965
3904         * diagnostic.c (diagnostic_initialize): Initialize
3905         some_warnings_are_errors.
3906         (diagnostic_finish): New.
3907         (diagnostic_action_after_output): Call it before exiting.
3908         (diagnostic_report_diagnostic): Do not print message here. Set
3909         some_warnings_are_errors.
3910         * diagnostic.h (diagnostic_context): Delete
3911         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3912         (diagnostic_finish): Declare.
3913         * toplev.c (toplev_main): Call it before exit.
3914
3915 2010-04-09  Jason Merrill  <jason@redhat.com>
3916
3917         PR c++/42623
3918         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3919         for incomplete type.
3920
3921         PR c++/41788
3922         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3923         based on a warning flag.
3924
3925 2010-04-09  Richard Guenther  <rguenther@suse.de>
3926
3927         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3928
3929 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3930
3931         PR bootstrap/43684
3932         * varasm.c (default_assemble_visibility): Wrap vars that are
3933         set, but unused, by targets without GAS.
3934         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3935         Remove set, but unused, vars.
3936         (rs6000_legitimize_tls_address): Likewise.
3937         (altivec_expand_dst_builtin): Likewise.
3938         * config/darwin.c (machopic_classify_symbol): Likewise.
3939         (machopic_indirection_name): Likewise.
3940
3941 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3942
3943         * config/i386/i386.md (DWI): New mode iterator.
3944         (S): New mode attribute.
3945         (shift_operand): Ditto.
3946         (shift_immediate_operand): Ditto.
3947         (ashl_input_operand): Ditto.
3948         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3949         using SDWIM mode iterator.
3950         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3951         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3952         DWI mode iterator.
3953         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3954         from corresponding peephole2 patterns.
3955         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3956         and x86_64_shift_adj_1 using SWI48 mode iterator.
3957         (x86_shift<mode>_adj_2): Ditto.
3958         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3959         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3960         using SWI48 mode iterator.
3961         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3962         *ashldi3_cmp_rex64 using SWI mode iterator.
3963         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3964         *ashldi3_cconly_rex64 using SWI mode iterator.
3965         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3966         x86_shift<mode>_adj_{1,2}.
3967         (ix86_split_ashr): Ditto.
3968         (ix86_split_lshr): Ditto.
3969
3970 2010-04-09  Richard Guenther  <rguenther@suse.de>
3971
3972         * target.h (builtin_conversion): Pass in input and output types.
3973         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3974         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3975         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3976         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3977
3978         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3979         Handle AVX modes.
3980         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3981
3982 2010-04-09  Richard Guenther  <rguenther@suse.de>
3983
3984         PR target/43152
3985         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3986
3987 2010-04-09  Richard Guenther  <rguenther@suse.de>
3988
3989         * tree-vectorizer.h (struct _stmt_vec_info): Document
3990         that vectype is the type of the LHS.
3991         (supportable_widening_operation, supportable_narrowing_operation):
3992         Get both input and output vector types as arguments.
3993         (vect_is_simple_use_1): Declare.
3994     &nbs