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