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