OSDN Git Service

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