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1 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
2
3         * config/rs6000/rs6000-protos.h
4         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
5         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
6         (rs6000_debug_mode_dependent_address)
7         (rs6000_mode_dependent_address_ptr): Likewise.
8
9 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
10
11         PR debug/43983
12         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
13         by SRA.
14         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
15         * tree-sra.c (create_access_replacement): Call unshare_expr before
16         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
17         it.
18         * dwarf2out.c: Include tree-flow.h.
19         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
20         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
21         Handle DW_OP_bit_piece.
22         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
23         construct_piece_list, adjust_piece_list): New functions.
24         (add_var_loc_to_decl): Handle SRA optimized variables.
25         Adjust for var_loc_note to loc field renaming.
26         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
27         in VAR_LOCATION note.
28         (new_loc_descr_op_bit_piece): New function.
29         (dw_sra_loc_expr): New function.
30         (dw_loc_list): Use it.  Don't handle the last range after the
31         loop, handle it inside of the loop.  Adjust for var_loc_note
32         to loc field renaming.
33         (add_location_or_const_value_attribute): Only special case
34         single entry loc lists if loc is NOTE_P.  Adjust for
35         var_loc_note to loc field renaming.
36         (dwarf2out_var_location): Don't set newloc->var_loc_note
37         and newloc->next here.
38
39 2010-05-12  Jan Hubicka  <jh@suse.cz>
40
41         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
42         * cgraph.h (cgraph_only_called_directly_p,
43         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
44         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
45         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
46         (assemble
47         * ipa.c (cgraph_remove_unreachable_nodes): Use
48         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
49         * tree-inline.c (copy_bb): Check address_taken flag.
50         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
51         externally_visible flag.
52
53 2010-05-12  Jason Merrill  <jason@redhat.com>
54
55         PR bootstrap/44048
56         PR target/44099
57         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
58         * sdbout.c (plain_type_1): Likewise.
59         * dwarf2out.c (is_base_type): Likewise.
60         (gen_type_die_with_usage): Likewise.  Generate
61         DW_TAG_unspecified_type for any LANG_TYPE.
62
63 2010-05-12  Jan Hubicka  <jh@suse.cz>
64
65         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
66         indrect edges too.
67         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
68         (cgraph_clone_edge): Update.
69         (cgraph_node_remove_callees): Remove indirect calls too.
70         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
71         (cgraph_create_indirect_edge): Update prototype.
72         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
73         is_proper_for_analysis.
74         (add_new_function, visited_nodes, function_insertion_hook_holder,
75         get_local_reference_vars_info, mark_address_taken, mark_address,
76         mark_load, mark_store, check_asm_memory_clobber, check_call,
77         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
78         (ipa_init): Do not initialize visited_nodes;
79         function_insertion_hook_holder.
80         (analyze_variable): Rewrite.
81         (analyze_function): Rewrite.
82         (copy_local_bitmap): Remove.
83         (duplicate_node_dat): Do not duplicate local info.
84         (generate_summary): Simplify to only walk cgraph.
85         (write_node_summary_p, ipa_reference_write_summary,
86         ipa_reference_read_summary): Remove.
87         (propagate): Do not remove function insertion;
88         generate summary.
89         (pass_ipa_reference): NULLify summary handling fields.
90         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
91         (input_edge): Input ecf_flags.
92         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
93         (update_indirect_edges_after_inlining): Ignore edges with unknown
94         param.
95
96 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
97
98         * implicit-zee.c: New file.
99         * tree-pass.h (pass_implicit_zee): Declare.
100         * passes.c (init_optimization_passes): Add zee pass.
101         * common.opt (fzee): New flag.
102         * timevar.def (TV_ZEE): Define.
103         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
104         and beyond.
105         * Makefile.in (implicit-zee.o): Add new build file.
106
107 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
108             Nathan Froyd  <froydnj@codesourcery.com>
109
110         * c-common.c (sync_resolve_params): Remove write-only variable.
111
112 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
113
114         * target.h (struct gcc_target): Add mode_dependent_address_p field.
115         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
116         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
117         * targhooks.c (default_mode_dependent_address_p): New function.
118         * targhooks.h (default_mode_dependent_address_p): Declare function.
119         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
120         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
121         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
122         target hook. Change return type to bool.
123         * recog.h: (mode_dependent_address_p): Change return type to bool.
124
125 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
126             Nathan Froyd  <froydnj@codesourcery.com>
127
128         * tree-mudflap.c (build_function_type_0, build_function_type_1,
129         build_function_type_2, build_function_type_3): Remove.
130         (mudflap_init): Use build_function_type_list.
131
132 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
133             Nathan Froyd  <froydnj@codesourcery.com>
134
135         * coverage.c (build_fn_info_value): Call build_constructor instead of
136         build_constructor_from_list.
137         (build_ctr_info_value): Likewise.
138         (build_gcov_info): Likewise.
139
140 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
141
142         * tree.c (build_constructor): Compute TREE_CONSTANT for the
143         resultant constructor.
144         (build_constructor_single): Don't set TREE_CONSTANT.
145         (build_constructor_from_list): Don't compute TREE_CONSTANT.
146
147 2010-05-12  Jan Hubicka  <jh@suse.cz>
148
149         * cgraph.h (struct varpool_node): Add aux.
150         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
151         * varpool.c (varpool_remove_node): Do not remove initializer.
152         (varpool_reset_queue): Export.
153         (varpool_finalize_decl): Volatile vars are forced to be output.
154         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
155         replaced decl.
156         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
157         process_references, varpool_can_remove_if_no_refs): New functions.
158         (cgraph_remove_unreachable_nodes): Handle variables too.
159
160 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
161
162         PR target/44088
163         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
164
165 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
166
167         PR middle-end/44085
168         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
169         change value of ORT_TASK.
170         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
171         (omp_notice_threadprivate_variable): New function.
172         (omp_notice_variable): Call it for threadprivate variables.
173         If enclosing ctx is a task, print enclosing task rather than
174         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
175         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
176         if task has untied clause.
177
178         PR debug/42278
179         * dwarf2out.c (base_type_die): Don't add name attribute here.
180         (modified_type_die): Instead of sizetype use
181         its underlying original type.  If a DW_TAG_base_type doesn't
182         have name added, add __unknown__.
183         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
184         always call force_type_die instead.
185
186 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
187
188         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
189         for __stack_chk_guard.
190
191 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
192
193         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
194         don't call start_source_file debug hook here...
195         (finish_options): ... but here, after outputting predefined and
196         command line defines and undefs.
197
198         PR middle-end/44071
199         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
200         no fallthru edge.
201         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
202         optimizing away empty bb with no successors, move over its
203         footer chain to fallthru predecessor.
204         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
205         (rtl_split_edge): For asm goto call patch_jump_insn even if
206         splitting fallthru edge.
207
208         PR c++/44059
209         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
210         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
211         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
212         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
213         on DW.ref.* decls.
214
215         PR c++/44062
216         * c-parser.c (c_parser_expression): Mark LHS of a comma
217         expression as read if it is a decl, handled component or
218         COMPOUND_EXPR with that on the RHS.
219         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
220         if it is a decl or handled component.
221
222 2010-05-11  Jan Hubicka  <jh@suse.cz>
223
224         * lto-symtab.c (lto_symtab_free): New function.
225         * lto-streamer.h (lto_symtab_free): Declare.
226
227 2010-05-11  Jan Hubicka  <jh@suse.cz>
228
229         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
230         that if function is needed it is reachable.
231         (lto_output_node): See if it the function is reachable or referenced.
232         (output_cgraph): Update call of lto_output_node.
233         * lto-streamer.h (reachable_from_other_partition_p): Declare.
234
235 2010-05-11  Jan Hubicka  <jh@suse.cz>
236
237         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
238         Mark as used.
239
240 2010-05-11  Jan Hubicka  <jh@suse.cz>
241
242         PR tree-optimize/44063
243         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
244         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
245         limits.
246         (estimate_function_body_sizes): Compute sizes even when disregarding.
247
248 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
249
250         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
251
252 2010-05-11  Jan Hubicka  <jh@suse.cz>
253
254         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
255         into every boundary.
256
257 2010-05-11  Jan Hubicka  <jh@suse.cz>
258
259         * matrix-reorg.c (matrix_reorg): Rebuild edges.
260
261 2010-05-11  Jan Hubicka  <jh@suse.cz>
262
263         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
264         lto_streamer_cache_delete): Put nodes into heap.
265         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
266         heap.
267
268 2010-05-11  Jan Hubicka  <jh@suse.cz>
269
270         * cgraphbuild.c (cgraph_rebuild_references): New.
271         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
272         out extern inlines.
273         * cgraph.h (cgraph_rebuild_references): Declare.
274         * tree-inline.c (tree_function_versioning): Use it.
275         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
276
277 2010-05-11  Jan Hubicka  <jh@suse.cz>
278
279         * cgraph.c: Include ipa-utils.h
280         (cgraph_create_virtual_clone): Update references.
281         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
282
283 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
284
285         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
286         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
287         cache size.
288
289 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
290
291         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
292
293 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
294
295         * gcc.c (execute): For -### don't quote arguments that
296         contain just alphanumerics and _/-. characters.
297         * doc/invoke.texi: Document that change for -###.
298
299         PR debug/44023
300         * df-problems.c (struct dead_debug): Add to_rescan field.
301         (dead_debug_init): Clear to_rescan field.
302         (dead_debug_finish): Rescan all debug insns in to_rescan
303         bitmap and free the bitmap.
304         (dead_debug_insert_before): Instead of rescanning debug insns
305         immediately queue their rescanning until dead_debug_finish.
306         (df_note_bb_compute): After dead_debug_add do continue instead
307         of break.
308
309 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
310
311         PR debug/44028
312         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
313         clear also INSN_REG_USE_LIST.
314
315 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
316
317         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
318
319 2010-05-10  Jan Hubicka  <jh@suse.cz>
320
321         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
322
323 2010-05-10  Jan Hubicka  <jh@suse.cz>
324
325         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
326         encoders.
327         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
328         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
329         (lto_streamer_cache_create): Init alloc pool.
330         (lto_streamer_cache_delete): Free alloc pool.
331         * lto-streamer.h: Include alloc pool.
332         (lto_streamer_cache_d): Use alloc pool.
333         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
334
335 2010-05-10  Jan Hubicka  <jh@suse.cz>
336
337         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
338         * cgraphbuild.c: Include except.h
339         (record_type_list, record_eh_tables): New function.
340         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
341
342 2010-05-10  Jan Hubicka  <jh@suse.cz>
343
344         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
345         __frame_dummy_init_array_entry, force_to_data): Attribute as used
346         rather than unused.
347
348 2010-05-10  Michael Matz  <matz@suse.de>
349
350         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
351         (can_reassociate_p): Use FLOAT_TYPE_P.
352         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
353         (vect_force_simple_reduction): ... this.
354         * tree-parloops.c (gather_scalar_reductions): Use
355         vect_force_simple_reduction.
356         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
357         vect_is_simple_reduction, add modify argument, if true rewrite
358         "a-b" into "a+(-b)".
359         (vect_is_simple_reduction, vect_force_simple_reduction): New
360         functions.
361         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
362
363 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
364             Vladimir Makarov  <vmakarov@redhat.com>
365
366         PR rtl-optimization/44012
367         * ira-build.c (remove_unnecessary_allocnos): Nullify
368         regno_allocno_map of the removed allocno.
369
370 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
371
372         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
373         to /dev/null.
374         * configure: Regenerate.
375
376 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
377
378         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
379         unused.
380         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
381         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
382         support in Sun ld.
383         * configure: Regenerate.
384
385 2010-05-10  Richard Guenther  <rguenther@suse.de>
386
387         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
388         marked if the entry identifier is marked.
389
390 2010-05-10  Richard Guenther  <rguenther@suse.de>
391
392         * c-common.c (struct c_common_attributes): Add fnspec attribute.
393         (handle_fnspec_attribute): New function.
394         * gimple.h (gimple_call_return_flags): Declare.
395         (gimple_call_arg_flags): Likewise.
396         * gimple.c (gimple_call_arg_flags): New function.
397         (gimple_call_return_flags): Likewise.
398         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
399         New argument flags.
400         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
401         return value flags.
402         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
403         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
404         main work to ...
405         (make_heapvar_for): ... this new function.
406         (handle_rhs_call): Handle fnspec attribute argument specifiers.
407         (handle_lhs_call): Likewise.
408         (find_func_aliases): Adjust.
409
410 2010-05-10  Richard Guenther  <rguenther@suse.de>
411
412         PR tree-optimization/44050
413         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
414
415 2010-05-10  Wei Guozhi  <carrot@google.com>
416
417         PR target/42879
418         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
419
420 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
421
422         PR c/10676
423         * c-typeck.c (lookup_field): Take a type directly.  Update
424         recursive calls.
425         (build_component_ref): Update call to lookup_field.
426         (set_init_label): Use lookup_field to find initialized field.
427         Handle returned list of fields like a sequence of designators.
428
429 2010-05-09  Richard Guenther  <rguenther@suse.de>
430
431         PR middle-end/44024
432         * fold-const.c (tree_single_nonzero_warnv_p): Properly
433         handle &FUNCTION_DECL.
434
435 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
436
437         PR c/4784
438         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
439         structures and unions recursively.
440         (detect_field_duplicates): Move duplicate detection with a hash to
441         detect_field_duplicates_hash.  Always use a hash if anonymous
442         structures or unions are present.
443         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
444         give errors.
445
446 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
447
448         PR target/44046
449         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
450         detect Atom, Core 2 and Core i7.
451
452 2010-05-09  Richard Guenther  <rguenther@suse.de>
453
454         * gcc.c (store_arg): Handle temporary file deletion for
455         joined arguments.
456
457 2010-05-09  Richard Guenther  <rguenther@suse.de>
458
459         PR middle-end/44043
460         * ipa-inline.c (estimate_function_body_sizes): Return after
461         disregarding inline limits.
462
463 2010-05-09  Richard Guenther  <rguenther@suse.de>
464
465         * gcc.c (store_arg): Revert last change.
466
467 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
468
469         PR middle-end/28685
470         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
471         (optimize_ops_list): Call it.
472
473 2010-05-08  Richard Guenther  <rguenther@suse.de>
474
475         PR tree-optimization/44030
476         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
477         NECESSARY flag if we propagate from a inserted expression.
478
479 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
480
481         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
482         domain types as equal if they are both PLACEHOLDER_EXPRs.
483
484 2010-05-08  Richard Guenther  <rguenther@suse.de>
485
486         * lto-wrapper.c (run_gcc): Remove linker output from
487         command line for LTRANS invocation.
488
489 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
490
491         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
492         lto-macho as lto_binary_reader.
493         * target.h (struct gcc_target): New hooks lto_start and lto_end.
494         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
495         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
496         in lto_start and lto_end calls.
497         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
498         magic numbers.
499         (scan_prog_file): Update is_elf_or_coff call.
500         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
501
502         * collect2.c (main): Fix enum comparison.
503
504         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
505         Add prototypes.
506         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
507         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
508         and TARGET_ASM_LTO_END.
509         * darwin.c: Include obstack.h and lto-streamer.h.
510         (lto_section_names_offset, lto_section_names_obstack,
511         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
512         global variables.
513         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
514         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
515         to a temporary file.
516         (darwin_asm_lto_end): New function.  Restore asm_out_file.
517         (darwin_asm_named_section): For LTO sections, replace the name with
518         the offset of the section name in a string table, and build this
519         table.
520         (darwin_file_start): Initialize global vars for LTO support.
521         (darwin_file_end): If output to asm_out_file was redirected, append it
522         to the proper asm_out_file here.  Add the section names section.
523
524 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
525
526         * c-pragma.c (pending_weak_d, pending_weak): New.
527         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
528         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
529         handle_pragma_weak): Update the uses of pending_weaks.
530
531 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
532
533         PR documentation/44016
534         * doc/standards.texi (Standards): Link to unversioned
535         cxx0x_status.html page.
536
537 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
538
539         PR target/43708
540         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
541         in addition to TREE_USED, to avoid "set but unused" warnings.
542
543 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
544
545         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
546         (is_loop_prefetching_profitable): Do not insert prefetches
547         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
548         times the prefetch ahead distance.
549
550 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
551
552         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
553         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
554         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
555         the unroll_factor.
556
557 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
558
559         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
560         a diagnostic info when the insn-to-mem ratio is too small.
561
562 2010-05-07  Richard Guenther <rguenther@suse.de>
563
564         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
565         the linker plugin.
566         (store_arg): Queue temp_filename for deletion instead of
567         the whole argument.
568
569 2010-05-07  Richard Guenther  <rguenther@suse.de>
570
571         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
572         (run_gcc): Handle LTRANS phase invocation.
573         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
574
575 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
576
577         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
578         this is also meaningful on PARM_DECLs and RESULT_DECLs.
579
580 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
581
582         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
583
584 2010-05-07  Richard Guenther  <rguenther@suse.de>
585
586         PR tree-optimization/44020
587         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
588         code when PRE is not yet initialized.
589
590 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
591
592         * config/mips/dbxmdebug.h: Remove.
593         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
594
595 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
596
597         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
598         with null pointer and also warn about ordered comparison of zero with
599         pointer if -Wextra.
600
601 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
602
603         * graphite-blocking.c
604         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
605         * graphite-clast-to-gimple.c
606         (clast_to_gcc_expression): Same.
607         (precision_for_value): Same.
608         (precision_for_interval): Same.
609         (gcc_type_for_interval): Same.
610         (graphite_create_new_guard): Same.
611         (compute_bounds_for_level): Same.
612         (graphite_create_new_loop_guard): Same.
613         * graphite-interchange.c
614         (build_linearized_memory_access): Same.
615         (pdr_stride_in_loop): Same.
616         (memory_strides_in_loop_1): Same.
617         (memory_strides_in_loop): Same.
618         (extend_scattering): Same.
619         (psct_scattering_dim_for_loop_depth): Same.
620         (pbb_number_of_iterations): Same.
621         * graphite-poly.h
622         (debug_iteration_domains): Same.
623         * graphite-ppl.c
624         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
625         (ppl_set_inhomogeneous_gmp): Same.
626         (ppl_strip_loop): Same.
627         (ppl_lexico_compare_linear_expressions): Same.
628         (ppl_read_polyhedron_matrix): Same.
629         (ppl_max_for_le_pointset): Same.
630         * graphite-ppl.h
631         (ppl_read_polyhedron_matrix): Same.
632         (tree_int_to_gmp): Same.
633         (gmp_cst_to_tree): Same.
634         (ppl_set_inhomogeneous): Same.
635         (ppl_set_inhomogeneous_tree): Same.
636         (ppl_set_coef): Same.
637         (ppl_set_coef_tree): Same.
638         * graphite-sese-to-poly.c
639         (build_pbb_scattering_polyhedrons): Same.
640         (build_scop_scattering): Same.
641         (scan_tree_for_params_right_scev): Same.
642         (scan_tree_for_params): Same.
643         (find_params_in_bb): Same.
644         (find_scop_parameters): Same.
645         (add_upper_bounds_from_estimated_nit): Same.
646         (build_loop_iteration_domains): Same.
647         (add_condition_to_domain): Same.
648         (pdr_add_memory_accesses): Same.
649
650 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
651
652         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
653         CLooG's value_* macros to their respective mpz_* counterparts.
654         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
655         (graphite_create_new_loop_guard): Same.
656         * graphite-interchange.c (build_linearized_memory_access): Same.
657         (pdr_stride_in_loop): Same.
658         (memory_strides_in_loop_1): Same.
659         (1st_interchange_profitable_p): Same.
660         * graphite-poly.c (extend_scattering): Same.
661         (psct_scattering_dim_for_loop_depth): Same.
662         (pbb_number_of_iterations): Same.
663         (pbb_number_of_iterations_at_time): Same.
664         * graphite-poly.h (new_1st_loop): Same.
665         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
666         (oppose_constraint): Same.
667         (insert_constraint_into_matrix): Same.
668         (ppl_set_inhomogeneous_gmp): Same.
669         (ppl_set_coef_gmp): Same.
670         (ppl_strip_loop): Same.
671         (ppl_lexico_compare_linear_expressions): Same.
672         (ppl_max_for_le_pointset): Same.
673         (ppl_min_for_le_pointset): Same.
674         (ppl_build_realtion): Same.
675         * graphite-ppl.h (gmp_cst_to_tree): Same.
676         (ppl_set_inhomogeneous): Same.
677         (ppl_set_inhomogeneous_tree): Same.
678         (ppl_set_coef): Same.
679         (ppl_set_coef_tree): Same.
680         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
681         (build_scop_scattering): Same.
682         (add_value_to_dim): Same.
683         (scan_tree_for_params_right_scev): Same.
684         (scan_tree_for_params_int): Same.
685         (scan_tree_for_params): Same.
686         (find_params_in_bb): Same.
687         (find_scop_parameters): Same.
688         (add_upper_bounds_from_estimated_nit): Same.
689         (build_loop_iteration_domains): Same.
690         (create_linear_expr_from_tree): Same.
691         (add_condition_to_domain): Same.
692         (pdr_add_memory_accesses): Same.
693
694 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
695             Jason Merrill  <jason@redhat.com>
696
697         * c-common.c (c_common_reswords): Add nullptr.
698         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
699         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
700         (gen_type_die_with_usage): Likewise.
701         * dbxout.c (dbxout_type): Likewise.
702         * sdbout.c (plain_type_1): Likewise.
703
704 2010-05-06  Jason Merrill  <jason@redhat.com>
705
706         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
707         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
708         ret appropriately.
709         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
710
711         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
712         stripping WITH_SIZE_EXPR.
713         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
714         change.
715
716 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
717
718         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
719         list of obsolete configurations.
720         Disabled check for obsolete configurations.
721         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
722         Removed support for previous versions.
723         * config/mips/iris.h: Removed.
724         * config/mips/iris5.h: Removed.
725         * config/mips/iris6.h: Merged old iris.h contents.
726         (TARGET_IRIX): Removed.
727         (DRIVER_SELF_SPECS): Removed mabi=32.
728         (IDENT_ASM_OP): Removed undef.
729         (STARTFILE_SPEC): Removed mabi=32.
730         (ENDFILE_SPEC): Likewise.
731         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
732         (MACHINE_TYPE): Update for IRIX 6.5.
733         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
734         TARGET_IRIX by TARGET_IRIX6.
735         (mips_file_start): Likewise.
736         (mips_output_external): Remove IRIX 5/6 O32 support.
737         (mips_output_function_prologue): Likewise.
738         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
739         TARGET_IRIX6.
740         (TARGET_CPU_CPP_BUILTINS): Likewise.
741         (TARGET_IRIX): Removed.
742         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
743         (MULTILIB_DIRNAMES): Removed 32.
744         (MULTILIB_OSDIRNAMES): Removed ../lib.
745         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
746         (Specific, mips-sgi-irix5): Document removal.
747         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
748         Remove references to older IRIX 6 releases and the O32 ABI.
749
750 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
751
752         PR bootstrap/43994
753         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
754         instead of DF_REF_REAL_REG.
755
756 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
757
758         PR target/43888
759         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
760         handling to still return true for x64 targets.
761
762 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
763
764         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
765
766 2010-05-06  Jan Hubicka  <jh@suse.cz>
767
768         PR tree-optimization/43791
769         * ipa-inline.c (update_caller_keys): Remove bogus
770         disregard_inline_limits check.
771
772 2010-05-06  Michael Matz  <matz@suse.de>
773
774         PR tree-optimization/43984
775         * tree-ssa-pre.c (inserted_phi_names): Remove.
776         (inserted_exprs): Change to bitmap.
777         (create_expression_by_pieces): Set bits, don't append to vector.
778         (insert_into_preds_of_block): Don't handle inserted_phi_names.
779         (eliminate): Don't look at inserted_phi_names, remove deleted
780         insns from inserted_exprs.
781         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
782         (init_pre, fini_pre): Allocate and free bitmaps.
783         (execute_pre): Insert insns on edges before elimination.
784
785 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
786
787         * tree.c (initializer_zerop): Handle STRING_CST.
788
789 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
790
791         PR 40989
792         * doc/invoke.texi (Wimplicit): Document as C only.
793         * opts.c (common_handle_option): Add argument kind.
794         (handle_option): Rename as read_cmdline_option. Factor out code to...
795         (handle_option): ... here. New.
796         (handle_options): Rename as read_cmdline_options.
797         (decode_options): Update call.
798         (set_option): Use option index instead of option pointer. Classify
799         diagnostics correctly.
800         (enable_warning_as_error): Call handle_option.
801         * opts.h (set_option): Update declaration.
802         (handle_option): Declare.
803         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
804         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
805         * c-opts.c (set_Wimplicit): Delete.
806         (c_family_lang_mask): New static constant.
807         (c_common_handle_option): Add argument kind. Use handle_option
808         instead of set_Wimplicit.
809         (c_common_post_options): warn_implicit and warn_implicit_int
810         are disabled by default.
811         * c-common.c (warn_implicit): Do not define here.
812         * c-common.h (warn_implicit): Do not declare here.
813         (c_common_handle_option): Update declaration.
814         * lto-opts.c (lto_reissue_options): Update call to set_option.
815
816 2010-05-06  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/43571
819         * domwalk.c (walk_dominator_tree): Walk the dominator
820         sons in more optimal order.
821
822 2010-05-06  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/43934
825         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
826         (stmt_cost): Likewise.
827         (extract_true_false_args_from_phi): New helper.
828         (determine_max_movement): For PHI nodes verify we can hoist them
829         and compute their cost.
830         (determine_invariantness_stmt): Handle PHI nodes.
831         (move_computations_stmt): Likewise.  Hoist PHI nodes in
832         if-converted form using COND_EXPRs.
833         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
834         (tree_ssa_lim): Likewise.
835         * tree-flow.h (tree_ssa_lim): Adjust prototype.
836         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
837
838 2010-05-06  Richard Guenther  <rguenther@suse.de>
839
840         PR tree-optimization/43987
841         * tree-ssa-structalias.c (could_have_pointers): For possibly
842         address-taken variables force pointers to be recorded.
843         (create_variable_info_for_1): Likewise.
844         (push_fields_onto_fieldstack): Pass in wheter all fields
845         must have pointers.
846         (find_func_aliases): Query types instead of vars whether
847         they contain pointers where appropriate.
848
849 2010-05-06  Jan Hubicka  <jh@suse.cz>
850
851         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
852         (record_reference, mark_address, mark_load, mark_store): Record
853         references.
854         (record_references_in_initializer): Update call of record_references.
855         (rebuild_cgraph_edges): Remove all references before rebuiding.
856         * cgraph.c (cgraph_create_node): Clear ref list.
857         (cgraph_remove_node): Remove references.
858         (dump_cgraph_node): Dump references.
859         (cgraph_clone_node): Clone references.
860         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
861         (struct cgraph_node, varpool_node): Add ref_lst.
862         * ipa-ref.c: New file.
863         * ipa-ref.h: New file.
864         * ipa-ref-inline.h: New file.
865         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
866         (referenced_from_other_partition_p): New function.
867         (lto_output_varpool_node): Take set arugment; call
868         referenced_from_other_partition.
869         (lto_output_ref): New.
870         (add_references): New.
871         (output_refs): New.
872         (output_cgraph): Compute boundary based on references; output refs.
873         (output_varpool): Accept cgraph_node_set argument.
874         (input_ref): New.
875         (input_refs): New.
876         (input_cgraph): Call input_refs.
877         * lto-section-in.c (lto_section_name): Add refs.
878         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
879         (ipa-ref.o): New file.
880         * varpool.c (varpool_node): Clear ipa ref list.
881         (varpool_remove_node): Remove references.
882         (dump_varpool_node): Dump references.
883         (varpool_assemble_decl): Only compile finalized ones.
884         (varpool_extra_name_alias): Initialize ref list.
885         * lto-streamer.c (lto-get_section_name): Add .refs section.
886         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
887         (referenced_from_other_partition_p): Declared.
888
889 2010-05-06  Ira Rosen  <irar@il.ibm.com>
890
891         PR tree-optimization/43901
892         * tree-vect-stmts.c (vectorizable_call): Assert that vector
893         type is not NULL if it's transformation phase, and return
894         FALSE if it's analysis.
895         (vectorizable_conversion, vectorizable_operation,
896         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
897
898 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
899
900         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
901         Delete.
902         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
903         New define.
904         * config/mips/mips-protos.h
905         (mips_small_register_classes_for_mode_p): Delete prototype.
906
907 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
908
909         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
910         * config/arm/arm.c (multiple_operation_profitable_p,
911         compute_offset_order): New static functions.
912         (load_multiple_sequence, store_multiple_sequence): Use them.
913         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
914         memory offsets, not register numbers.
915         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
916
917 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
918
919         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
920         (get_pending_sizes, put_pending_size, put_pending_sizes):
921         Update the uses of pending_sizes.
922         * c-decl.c (store_parm_decls): Likewise.
923         * c-tree.h (struct c_arg_info): Likewise.
924         * tree.h: Update the prototype for get_pending_sizes and
925         put_pending_sizes.
926
927 2010-05-05  Jason Merrill  <jason@redhat.com>
928
929         PR debug/43370
930         * c-common.c (handle_aligned_attribute): Respect
931         ATTR_FLAG_TYPE_IN_PLACE.
932
933         PR testsuite/43758
934         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
935         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
936         (TARGET_INITIALIZER): Use it.
937         * c-common.c (attribute_takes_identifier_p): Call it.
938         * c-common.h: Update prototype.
939         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
940         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
941
942 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
943
944         PR debug/43950
945         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
946         DW_ID_down_case for Fortran compilation units.
947
948 2010-05-05  Jan Hubicka  <jh@suse.cz>
949
950         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
951         handle aliases.
952
953 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
954
955         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
956         a variable-sized RESULT_DECL.
957
958 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
959
960         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
961
962 2010-05-05  Jason Merrill  <jason@redhat.com>
963
964         PR c++/43787
965         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
966         returns GS_OK.
967         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
968
969 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
970             Jakub Jelinek  <jakub@redhat.com>
971
972         PR debug/43478
973         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
974         (dead_debug_init, dead_debug_finish): New functions.
975         (dead_debug_add, dead_debug_insert_before): Likewise.
976         (df_note_bb_compute): Initialize a dead_debug object, add dead
977         debug uses to it, insert debug bind insns before death insns,
978         reset debug insns that refer to pending uses at the end.
979         * rtl.h (make_debug_expr_from_rtl): New prototype.
980         * varasm.c (make_debug_expr_from_rtl): New function.
981
982 2010-05-05  Jan Hubicka  <jh@suse.cz>
983
984         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
985         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
986         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
987         lto_varpool_encoder_deref, lto_varpool_encoder_size,
988         lto_varpool_encoder_encode_initializer_p,
989         lto_set_varpool_encoder_encode_initializer): New functions.
990         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
991         call output_varpool.
992         (input_varpool_node): Do not always set analyzed.
993         (input_cgraph_1): Return vector of cgraph nodes.
994         (input_varpool_1): Return vector of varpools.
995         (input_cgraph): Free the vectors.
996         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
997         output only initializers needed.
998         (lto_output): Only call output_cgraph.
999         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1000         * lto-section-out.c (lto_new_out_decl_state): Initialize
1001         state->varpool_node_encoder.
1002         * lto-streamer.h (lto_varpool_encoder_d): New.
1003         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1004         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1005         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1006         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1007         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1008         Declare.
1009         (output_varpool, input_varpool): Remove declarations.
1010
1011 2010-05-05  Jan Hubicka  <jh@suse.cz>
1012
1013         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1014         with body can prevail.
1015
1016 2010-05-05  Jan Hubicka  <jh@suse.cz>
1017
1018         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1019         size.
1020
1021 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1022
1023         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1024
1025         * gengtype.h (erro_at_line): Constify pos argument.
1026
1027         * gengtype.c: Include hashtab.h.
1028         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1029         (error_at_line): Constify pos argument.
1030         (do_typedef): Initialize p->opt field.
1031         (get_file_gtfilename): Fix comment typo.
1032         (struct walk_type_data): Constify line field.
1033         (get_output_file_for_structure): New function.
1034         (write_local_func_for_structure): Constify orig_s argument.
1035         Use get_output_file_for_structure.
1036         (write_func_for_structure): Use get_output_file_for_structure.
1037         (INDENT): New define.
1038         (dump_pair, dump_type, dump_type_list, dump_typekind)
1039         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1040         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1041         functions.
1042         (seen_types): New variable.
1043         (main): New variable do_dump.  Process "-d" command line option.
1044         Call dump_everything if dump requested.
1045
1046 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1047
1048         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1049         in a temporary instead of invoking the macro multiple times.
1050         (track_expr_p): Likewise.
1051
1052 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1053
1054         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1055         per new semantics.
1056         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1057         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1058         conditions for printing notes.
1059         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1060         true, update documentation.
1061         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1062
1063 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1064
1065         PR c/43981
1066         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1067         on dimen.
1068
1069 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1070
1071         PR target/43799
1072         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1073         (*sse_prologue_save_insn1): Likewise.
1074         (SSE prologue save splitter): Likewise.
1075
1076 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1077
1078         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1079         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1080         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1081         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1082         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1083         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1084         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1085
1086 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1087
1088         * tree-sra.c (build_access_from_expr_1): The first parameter type
1089         changed to simple tree.
1090         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1091         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1092         renamed as well.
1093         (build_accesses_from_assign): Removed all parameters except for a
1094         simple gimple statement.  Now returns a simple bool.
1095         (scan_function): All non-analysis parts moved to separate functions
1096         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1097         parameters and updated both callers.
1098         (sra_modify_expr): Removed parameter data.
1099         (sra_modify_function_body): New function.
1100         (perform_intra_sra): Call sra_modify_function_body to modify the
1101         function body.
1102         (replace_removed_params_ssa_names): Parameter data changed into
1103         adjustments vector.
1104         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1105         changed the parameter dont_convert to convert with the opposite
1106         meaning.
1107         (sra_ipa_modify_assign): Parameter data changed into adjustments
1108         vector, return value changed to bool.
1109         (ipa_sra_modify_function_body): New function.
1110         (sra_ipa_reset_debug_stmts): Updated a comment.
1111         (modify_function): Use ipa_sra_modify_function_body to modify function
1112         body.
1113
1114 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1115
1116         PR middle-end/43671
1117         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1118         (canon_true_dependence): Likewise.
1119         (write_dependence_p): Likewise.
1120
1121 2010-05-04  Jan Hubicka  <jh@suse.cz>
1122
1123         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1124         * cgraphbuild.c: Include ipa-utils.h
1125         (record_reference_ctx): New struct.
1126         (record_reference): Simplify to work on initializers; not statements.
1127         (mark_address, mark_load, mark_store): New.
1128         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1129         walk PHI nodes too.
1130         (record_references_in_initializer): Update use of record_reference.
1131         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1132         walk PHI nodes too.
1133
1134 2010-05-04  Jan Hubicka  <jh@suse.cz>
1135
1136         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1137         node will be removed anyway.
1138         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1139         relink aliases of node into prevailing node.
1140         * varpool.c (varpool_remove_node): Remove aliases properly;
1141         when removing node, remove all its aliases too; remove DECL_INITIAL
1142         of removed node; ggc_free the varpool node.
1143
1144 2010-05-04  Richard Guenther  <rguenther@suse.de>
1145
1146         PR tree-optimization/43879
1147         * tree-ssa-structalias.c (alias_get_name): Use
1148         DECL_ASSEMBLER_NAME if available.
1149         (create_function_info_for): Return the varinfo node.
1150         (ipa_pta_execute): Associate same-body aliases and extra names
1151         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1152
1153 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1154
1155         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1156
1157 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1158
1159         PR bootstrap/43964
1160         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1161         only if HONOR_REG_ALLOC_ORDER is not defined.
1162
1163 2010-05-04  Richard Guenther  <rguenther@suse.de>
1164
1165         PR tree-optimization/43949
1166         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1167         TRUNC_MOD_EXPR.
1168
1169 2010-04-26  Jason Merrill  <jason@redhat.com>
1170
1171         * c.opt (-fstrict-enums): New.
1172         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1173
1174 2010-05-03  David Ung <davidu@mips.com>
1175             James E. Wilson  <wilson@codesourcery.com>
1176
1177         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1178         emit the trap instruction before the divide for TUNE_74K.
1179
1180 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1181
1182         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1183         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1184         based on the above, for new target hook.
1185
1186         * hooks.c (hook_bool_mode_true): New generic hook.
1187         * hooks.h (hook_bool_mode_true): Add prototype.
1188
1189         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1190         target hook.
1191         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1192         target hook, set to hook_bool_mode_false.
1193         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1194         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1195         with targetm.small_register_classes_for_mode_p.
1196         (find_reusable_reload): Likewise.
1197         (combine_reloads): Likewise.
1198         * reload1.c (reload_as_needed): Likewise.
1199         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1200         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1201         dead_or_predicable): Likewise.
1202         * regmove.c (optimize_reg_copy_1): Likewise.
1203         * calls.c (prepare_call_address): Likewise.
1204         (precompute_register_parameters): Likewise.
1205
1206         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1207         hook definition.
1208         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1209         implementation of the hook that considers all register classes
1210         small except for SH64.
1211         (sh_override_options): Use the new hook.
1212         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1213         Add prototype.
1214
1215         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1216         hook definition.
1217         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1218         implementation of the hook that considers all register classes
1219         small for THUMB1.
1220         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1221         Add prototype.
1222
1223         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1224         hook definition.
1225         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1226         implementation of the hook that considers all register classes
1227         small for MIPS16.
1228         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1229         Add prototype.
1230
1231         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1232         hook definition.
1233         * config/m32c/m32c.h: Likewise.
1234         * config/pdp11/pdp11.h: Likewise.
1235         * config/avr/avr.h: Likewise.
1236         * config/xtensa/xtensa.h: Likewise.
1237         * config/m68hc11/m68hc11.h: Likewise.
1238         * config/mn10300/mn10300.h: Likewise.
1239         * config/mcore/mcore.h: Likewise.
1240         * config/h8300/h8300.h: Likewise.
1241         * config/bfin/bfin.h: Likewise.
1242
1243         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1244         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1245
1246 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1247
1248         * double-int.h (tree_to_double_int): Remove macro.
1249         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1250         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1251         (tree_to_double_int): New function.
1252         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1253         Move ...
1254         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1255
1256 2010-05-03  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/43971
1259         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1260         constraints in the !flag_delete_null_pointer_checks case.
1261
1262 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1263
1264         PR debug/43972
1265         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1266         result mode matches original rtl mode.
1267
1268 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1269
1270         PR target/43888
1271         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1272
1273 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1274
1275         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1276         when processing flag options.
1277
1278 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1279
1280         * gcov-iov.c (main): Change format string placeholder
1281         from %#08x to 0x%08x.
1282         * genchecksum.c (dosum): Change format string placeholder
1283         from %#02x to 0x%02x.
1284
1285 2010-05-02  Richard Guenther  <rguenther@suse.de>
1286
1287         PR tree-optimization/43879
1288         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1289
1290 2010-05-02  Bruno Haible  <bruno@clisp.org>
1291
1292         * doc/extend.texi (Function Attributes): Fix a typo.
1293
1294 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         Revert:
1297         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1298         placeholder from 0x%x to %#x.
1299         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1300         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1301         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1302         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1303         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1304         * config/i386/i386.c (ix86_target_string): Ditto.
1305         * config/i386/i386.c (output_pic_addr_const): Ditto.
1306         (print_operand): Ditto.
1307
1308 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1309
1310         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1311         placeholder from 0x%x to %#x.
1312         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1313         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1314         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1315         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1316         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1317         * optc-gen.awk: Ditto.
1318         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1319         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1320         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1321         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1322
1323 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1324
1325         * target.h (struct calls): Add function_value_regno_p field.
1326         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1327         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1328         * targhooks.c (default_function_value_regno_p): New function.
1329         * targhooks.h (default_function_value_regno_p): Declare function.
1330         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1331         * builtins.c. (apply_result_size): (Ditto.).
1332         * combine.c. (likely_spilled_retval_p): (Ditto.).
1333         * mode-switching.c. Include 'target.h'.
1334         (create_pre_exit): Use function_value_regno_p hook.
1335         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1336         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1337         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1338
1339         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1340         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1341         (ix86_function_value_regno_p): Declare as static, change argument
1342         type to const unsigned int.
1343         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1344
1345 2010-05-01  Richard Guenther  <rguenther@suse.de>
1346
1347         PR tree-optimization/43949
1348         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1349         types.
1350         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1351
1352 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1353
1354         * rtl.h (CONST_DOUBLE_P): Define.
1355         (rtx_to_double_int): Declare.
1356         * emit-rtl.c (rtx_to_double_int): New function.
1357         * dwarf2out.c (insert_double): New function.
1358         (loc_descriptor, add_const_value_attribute): Clean up, use
1359         rtx_to_double_int and insert_double functions.
1360
1361 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1362
1363         * doc/extend.texi (Inline): Add missing return keyword to examples.
1364         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1365         "command-line".
1366
1367 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1368
1369         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1370         the variable part of the offset as well.  Use highest_pow2_factor for
1371         all alignment checks.
1372
1373 2010-04-30  Richard Guenther  <rguenther@suse.de>
1374
1375         PR tree-optimization/43879
1376         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1377         can have pointers.
1378
1379 2010-04-30  Jan Hubicka  <jh@suse.cz>
1380
1381         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1382         varpool.
1383         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1384
1385 2010-04-30  Jan Hubicka  <jh@suse.cz>
1386
1387         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1388         New.
1389         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1390         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1391         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1392         cgraph_node_set_needs_ltrans_p): Remove.
1393
1394 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1395
1396         * sdbout.c: Include vec.h, do not include varray.h.
1397         (deferred_global_decls, sdbout_global_decl,
1398         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1399         * toplev.c: Do not include varray.h.
1400         (dump_memory_report): Do not dump VARRAY statistics.
1401         * gengtype.c (open_base_file): Ignore varray.h.
1402         * Makefile.in: Update for abovementioned changes.
1403         Remove all traces of varray.c and varray.h.
1404         * varray.c: Remove file.
1405         * varray.h: Remove file.
1406
1407 2010-04-30  Jan Hubicka  <jh@suse.cz>
1408
1409         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1410         references.
1411
1412 2010-04-30  Jan Hubicka  <jh@suse.cz>
1413
1414         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1415         needed.
1416
1417 2010-04-30  Richard Guenther  <rguenther@suse.de>
1418
1419         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1420         constraints for CONSTRUCTOR.
1421
1422 2010-04-30  Richard Guenther  <rguenther@suse.de>
1423
1424         PR lto/43946
1425         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1426         first after all lowering passes.
1427
1428 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1429
1430         * toplev.c: Include varray.h for statistics dumping.
1431         * tree.h: Do not declare varray_head_tag.
1432         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1433         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1434         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1435         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1436         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1437         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1438         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1439         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1440         include varray.h.
1441         * Makefile.in: Update for abovementioned changes.
1442
1443 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR debug/43942
1446         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1447
1448 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1449
1450         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1451         Use this function to do machine-specific conversion.
1452         (picochip_legitimize_reload_address): Likewise.
1453         (picochip_legitimate_address_p): Check valid base register only if
1454         strict.
1455         (picochip_check_conditional_copy): Check for modw only if opnd is
1456         register.
1457         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1458         to call the function in c.
1459         * config/picochip/picochip-protos.h
1460         (picochip_legitimize_reload_address): Define.
1461         * config/picochip/picochip.md (supported_compare1): Define.
1462
1463 2010-04-30  Jan Hubicka  <jh@suse.cz>
1464
1465         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1466         (cgraph_global_info): Remove inlined.
1467         (LTO_cgraph_tag_names): Remove.
1468         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1469         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1470         simplify cgraph tags and document.
1471         (lto_output_node): Use only LTO_cgraph_unavail_node and
1472         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1473         for_functions_valid, global info, process and output flags.
1474         (input_overwrite_node): Initialize estimated stack size and
1475         estimated growth.  Do not read flags we no longer store.
1476         (input_node): Likewise do not read info no longer stored.
1477         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1478         flag.
1479
1480 2010-04-30  Richard Guenther  <rguenther@suse.de>
1481
1482         PR tree-optimization/43879
1483         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1484         handle non-zero initializers.
1485
1486 2010-04-30  Richard Guenther  <rguenther@suse.de>
1487
1488         * builtins.c (fold_builtin_1): Delete free (0).
1489
1490 2010-04-29  Jan Hubicka  <jh@suse.cz>
1491
1492         * gengtype.c (open_base_files): Add lto-streamer.h
1493         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1494         (pass_ipa_cp): GGC collect.
1495         * toplev. (compile_file): Do not output symbols.
1496         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1497         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1498         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1499         * lto-section-in.c: Include ggc.h
1500         (lto_new_in_decl_state): Alloc in GGC.
1501         (lto_delete_in_decl_state): Likewise.
1502         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1503         Collect.
1504
1505 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1506
1507         PR target/42895
1508         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1509         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1510         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1511         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1512         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1513         account only if HONOR_REG_ALLOC_ORDER is not defined.
1514         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1515         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1516
1517 2010-04-29  Jon Grant  <04@jguk.org>
1518
1519         * collect2.c (vflag): Change type from int to bool.
1520         (debug): Likewise.
1521         (helpflag): New global bool.
1522         (main): Set vflag and debug with boolean, not integer truth values.
1523         Accept new "--help" option and output usage text if found.
1524         * collect2.h (vflag): Update prototype.
1525         (debug): Likewise.
1526
1527 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1528
1529         PR bootstrap/43936
1530         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1531
1532 2010-04-29  Richard Guenther  <rguenther@suse.de>
1533
1534         PR bootstrap/43935
1535         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1536         with ATTRIBUTE_UNUSED.
1537
1538 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1539
1540         PR target/43921
1541         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1542         INSN_P with NONDEBUG_INSN_P.
1543         (distance_non_agu_define): Likewise.
1544         (distance_agu_use): Likewise.
1545
1546 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1547
1548         From Dominique d'Humieres <dominiq@lps.ens.fr>
1549         PR bootstrap/43858
1550         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1551         test_set.
1552
1553 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1554
1555         * plugin.h (invoke_plugin_callbacks): New inline function.
1556         * plugin.c (flag_plugin_added): New global flag.
1557         (add_new_plugin): Initialize above flag.
1558         (invoke_plugin_callbacks): Rename to ...
1559         (invoke_plugin_callbacks_full): ... this.
1560
1561 2010-04-28  Jan Hubicka  <jh@suse.cz>
1562
1563         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1564         (lto_varpool_replace_node): New.
1565         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1566         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1567         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1568         * cgraph.h (varpool_node_ptr): New type.
1569         (varpool_node_ptr): New vector.
1570         (varpool_node_set_def): New structure.
1571         (varpool_node_set): New type.
1572         (varpool_node_set): New vector.
1573         (varpool_node_set_element_def): New structure.
1574         (varpool_node_set_element, const_varpool_node_set_element): New types.
1575         (varpool_node_set_iterator): New type.
1576         (varpool_node): Add prev pointers, add used_from_other_partition,
1577         in_other_partition.
1578         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1579         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1580         varpool_get_node, varpool_remove_node): Declare.
1581         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1582         varpool_node_set_size): New inlines.
1583         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1584         * tree-pass.h (varpool_node_set_def): Forward declare.
1585         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1586         (ipa_write_optimization_summaries): Update prototype.
1587         * ipa-cp.c (ipcp_write_summary): Update.
1588         * ipa-reference.c (ipa_reference_write_summary): Update.
1589         * lto-cgraph.c (lto_output_varpool_node): New static function.
1590         (output_varpool): New function.
1591         (input_varpool_node): New static function.
1592         (input_varpool_1): New function.
1593         (input_cgraph): Input varpool.
1594         * ipa-pure-const.c (pure_const_write_summary): Update.
1595         * lto-streamer-out.c (lto_output): Update, output varpool too.
1596         (write_global_stream): Kill WPA hack.
1597         (produce_asm_for_decls): Update.
1598         (output_alias_pair_p): Handle variables.
1599         (output_unreferenced_globals): Output only needed partition of varpool.
1600         * ipa-inline.c (inline_write_summary): Update.
1601         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1602         cgraph.
1603         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1604         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1605         varpool_node_set_new, varpool_node_set_add,
1606         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1607         debug_varpool_node_set): New functions.
1608         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1609         (execute_one_pass): Process new decls too.
1610         (ipa_write_summaries_2): Pass around vsets.
1611         (ipa_write_summaries_1): Likewise.
1612         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1613         to add.
1614         (ipa_write_optimization_summaries_1): Pass around vsets.
1615         (ipa_write_optimization_summaries): Likewise.
1616         * varpool.c (varpool_get_node): New.
1617         (varpool_node): Update doubly linked lists.
1618         (varpool_remove_node): New.
1619         (dump_varpool_node): More dumping.
1620         (varpool_enqueue_needed_node): Update doubly linked lists.
1621         (decide_is_variable_needed): Kill ltrans hack.
1622         (varpool_finalize_decl): Kill lto hack.
1623         (varpool_assemble_decl): Skip decls in other partitions.
1624         (varpool_assemble_pending_decls): Update doubly linkes lists.
1625         (varpool_empty_needed_queue): Likewise.
1626         (varpool_extra_name_alias): Likewise.
1627         * lto-streamer.c (lto_get_section_name): Add vars section.
1628         * lto-streamer.h (lto_section_type): Update.
1629         (output_varpool, input_varpool): Declare.
1630
1631 2010-04-28  Mike Stump  <mikestump@comcast.net>
1632
1633         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1634
1635 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1636
1637         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1638         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1639         (lto_input_ts_type_tree_pointers): Likewise.
1640         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1641         (lto_output_ts_type_tree_pointers): Likewise.
1642
1643 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1644
1645         Uniquization of constants at the Tree level
1646         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1647         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1648         bit to the end.
1649         (tree_output_constant_def): Declare.
1650         * gimplify.c (gimplify_init_constructor): When using block copy, first
1651         uniquize the constant constructor on the RHS.
1652         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1653         DECL_IN_CONSTANT_POOL flag.
1654         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1655         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1656         constant pool.
1657         (assemble_variable): Deal with symbols belonging to the tree constant
1658         pool.
1659         (get_constant_section): Add ALIGN parameter and simplify.
1660         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1661         (assemble_constant_contents): Use the expression of the VAR_DECL.
1662         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1663         (tree_output_constant_def): New global function.
1664         (mark_constant): Use the expression of the VAR_DECL.
1665         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1666         its expression.
1667         (output_object_block): Likewise and assemble the expression.
1668
1669 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1670
1671         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1672         hash_tree, eq_tree): New tree hash table.
1673         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1674         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1675         lto_orig_address_remove): Reimplement.
1676
1677 2010-04-28  Xinliang David Li  <davidxl@google.com>
1678
1679         PR c/42643
1680         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1681         (compute_uninit_opnds_pos): New function.
1682         (is_non_loop_exit_postdominating): New function.
1683         (compute_control_dep_chain): New function.
1684         (find_pdom): New function.
1685         (convert_control_dep_chain_into_preds): New function.
1686         (find_predicates): New function.
1687         (find_control_equiv_block): New function.
1688         (collect_phi_def_edges): New function.
1689         (find_def_preds): New function.
1690         (find_dom): New function.
1691         (dump_predicates): New function.
1692         (get_cmp_code): New function.
1693         (is_value_included_in): New function.
1694         (find_matching_predicate_in_rest_chains): New function.
1695         (use_pred_not_overlap_with_undef_path_pred): New function.
1696         (is_use_properly_guarded): New function.
1697         (normalize_cond_1): New function.
1698         (is_and_or_or): New function.
1699         (normalize_cond): New function.
1700         (is_gcond_subset_of): New function.
1701         (is_subset_of_any): New function.
1702         (is_or_set_subset_of): New function.
1703         (is_and_set_subset_of): New function.
1704         (is_norm_cond_subset_of): New function.
1705         (is_pred_expr_subset_of): New function.
1706         (is_pred_chain_subset_of): New function.
1707         (is_included_in): New function.
1708         (is_superset_of): New function.
1709         (find_uninit_use): New function.
1710         (warn_uninitialized_phi): New function.
1711         (compute_possibly_undefined_names): New function.
1712         (ssa_undefined_value_p): New function.
1713         (execute_late_warn_uninitialized): New function.
1714         * tree-ssa.c (ssa_undefined_value_p): Removed.
1715         (warn_uninit): Changed to extern.
1716         (warn_uninitialized_phi): Removed.
1717         (warn_uninitialized_vars): Changed to extern.
1718         (execute_late_warn_uninitialized): Removed
1719         * tree-flow.h: Add new prototypes.
1720         * timevar.def: Add new time variable.
1721         * Makefile.in: Add new build file.
1722
1723 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1724
1725         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1726         type if available.
1727
1728 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1729
1730         PR target/22224
1731         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1732
1733 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1734
1735         * cgraph.h (struct cgraph_node): New field indirect_calls.
1736         (struct cgraph_indirect_call_info): New type.
1737         (struct cgraph_edge): Removed field indirect_call. New fields
1738         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1739         (cgraph_create_indirect_edge): Declare.
1740         (cgraph_make_edge_direct): Likewise.
1741         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1742         * ipa-prop.h (struct ipa_param_call_note): Removed.
1743         (struct ipa_node_params): Removed field param_calls.
1744         (ipa_create_all_structures_for_iinln): Declare.
1745         * cgraph.c: Described indirect edges and uids in initial comment.
1746         (cgraph_add_edge_to_call_site_hash): New function.
1747         (cgraph_edge): Search also among the indirect edges, use
1748         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1749         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1750         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1751         site hash.
1752         (initialize_inline_failed): Assign a reason to indirect edges.
1753         (cgraph_create_edge_1): New function.
1754         (cgraph_create_edge): Moved some functionality to
1755         cgraph_create_edge_1.
1756         (cgraph_create_indirect_edge): New function.
1757         (cgraph_edge_remove_callee): Add an assert checking for
1758         non-indirectness.
1759         (cgraph_edge_remove_caller): Special-case indirect edges.
1760         (cgraph_remove_edge): Likewise.
1761         (cgraph_set_edge_callee): New function.
1762         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1763         (cgraph_make_edge_direct): New function.
1764         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1765         the declaration of the call statement matches.
1766         (cgraph_node_remove_callees): Special-case indirect edges.
1767         (cgraph_clone_edge): Likewise.
1768         (cgraph_clone_node): Clone also the indirect edges.
1769         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1770         indirect_call, dump count of indirect_calls edges.
1771         * ipa-prop.c (iinlining_processed_edges): New variable.
1772         (ipa_note_param_call): Create indirect edges instead of
1773         creating notes.  New parameter node.
1774         (ipa_analyze_call_uses): New parameter node, pass it on to
1775         ipa_note_param_call.
1776         (ipa_analyze_stmt_uses): Likewise.
1777         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1778         (print_edge_addition_message): Work on edges rather than on notes.
1779         (update_call_notes_after_inlining): Likewise, renamed to
1780         update_indirect_edges_after_inlining.
1781         (ipa_create_all_structures_for_iinln): New function.
1782         (ipa_free_node_params_substructures): Do not free notes.
1783         (ipa_edge_duplication_hook): Propagate bits within
1784         iinlining_processed_edges bitmap.
1785         (ipa_node_duplication_hook): Do not duplicate notes.
1786         (free_all_ipa_structures_after_ipa_cp): Renamed to
1787         ipa_free_all_structures_after_ipa_cp.
1788         (free_all_ipa_structures_after_iinln): Renamed to
1789         ipa_free_all_structures_after_iinln.
1790         (ipa_write_param_call_note): Removed.
1791         (ipa_read_param_call_note): Removed.
1792         (ipa_write_indirect_edge_info): New function.
1793         (ipa_read_indirect_edge_info): Likewise.
1794         (ipa_write_node_info): Do not stream notes, do stream information
1795         in indirect edges.
1796         (ipa_read_node_info): Likewise.
1797         (lto_ipa_fixup_call_notes): Removed.
1798         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1799         * ipa-inline.c (pass_ipa_inline): Likewise.
1800         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1801         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1802         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1803         is_gimple_call.
1804         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1805         edges.
1806         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1807         (output_cgraph): Stream also indirect edges.
1808         (lto_output_edge): Added capability to stream indirect edges.
1809         (input_edge): Likewise.
1810         (input_cgraph_1): Likewise.
1811         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1812         of indirect edges.
1813
1814 2010-04-28  Richard Guenther  <rguenther@suse.de>
1815
1816         PR tree-optimization/43879
1817         PR tree-optimization/43909
1818         * tree-ssa-structalias.c (struct variable_info): Add
1819         only_restrict_pointers flag.
1820         (new_var_info): Initialize it.  Increment stats.total_vars here.
1821         (create_function_info_for): Do not increment stats.total_vars here.
1822         (get_function_part_constraint): Fix build with C++.
1823         (insert_into_field_list): Remove.
1824         (push_fields_onto_fieldstack): Properly merge fields.
1825         (create_variable_info_for): Split and simplify.
1826         (create_variable_info_for_1): New piece.
1827         (intra_create_variable_infos): Properly make restrict constraints
1828         from parameters.
1829
1830 2010-04-28  Richard Guenther  <rguenther@suse.de>
1831
1832         PR c++/43880
1833         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1834
1835 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1836             Jan Hubicka <hubicka@ucw.cz>
1837
1838         * doc/invoke.texi (-Wsuggest-attribute=const,
1839         -Wsuggest-attribute=pure): Document.
1840         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1841         (function_always_visible_to_compiler_p,
1842         suggest_attribute, warn_function_pure, warn_function_const):
1843         New functions.
1844         (check_call): Improve debug info.
1845         (analyze_function): Do not check availability.
1846         (add_new_function): Check availability.
1847         (propagate): Output warnings.
1848         (skip_function_for_local_pure_const): New function.
1849         (local_pure_const): Use it; output warnings.
1850         * common.opt (Wsuggest-attribute=const,
1851         Wsuggest-attribute=pure): New.
1852
1853 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1854
1855         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1856         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1857         or DW_CFA_def_cfa_offset{,_sf}.
1858
1859 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1860
1861         * tree.h: Fix truncated long macros.
1862
1863 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1864
1865         * collect2.c (TARGET_64BIT): Redefine to target's default.
1866         * tlink.c: Likewise.
1867         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1868         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1869         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1870         for underscoring __USER_LABEL_PREFIX__.
1871         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1872         (SUB_LINK_ENTRY32): New.
1873         (SUB_LINK_ENTRY64): New.
1874         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1875         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1876         (SUB_LINK_ENTRY64): New.
1877         (SUB_LINK_ENTRY): New.
1878         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1879         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1880         x64 target is choosen.
1881         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1882         * configure: Regenerated.
1883         * configure.ac (leading-mingw64-underscores): Option added.
1884
1885 2010-04-27  Jan Hubicka  <jh@suse.cz>
1886
1887         * doc/invoke.texi (-fipa-profile): Document.
1888         * opts.c (decode_options): Enable ipa-profile at -O1.
1889         * timevar.def (TV_IPA_PROFILE): Define.
1890         * common.opt (fipa-profile): Add.
1891         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1892         flag for clones.
1893         (cgraph_propagate_frequency): Handle only local ones.
1894         * tree-pass.h (pass_ipa_profile): Declare.
1895         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1896         (pass_ipa_profile): Use TV_IPA_PROFILE.
1897         * ipa.c (ipa_profile): New function.
1898         (gate_ipa_profile): Likewise.
1899         (pass_ipa_profile): New global variable.
1900         * passes.c (pass_ipa_profile): New.
1901
1902 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1903
1904         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1905
1906 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1907
1908         PR middle-end/43812
1909         * ipa.c (dissolve_same_comdat_group_list): New function.
1910         (function_and_variable_visibility): Call
1911         dissolve_same_comdat_group_list when comdat group contains external or
1912         newly local nodes.
1913         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1914         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1915
1916 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1917
1918         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1919         (const_hash_1) <VECTOR_CST>: New case.
1920         (compare_constant) <VECTOR_CST>: Likewise.
1921         <ADDR_EXPR>: Deal with LABEL_REFs.
1922         (copy_constant) <VECTOR_CST>: New case.
1923
1924 2010-04-27  Jan Hubicka  <jh@suse.cz>
1925
1926         * cgraph.c (cgraph_propagate_frequency): New function.
1927         * cgraph.h (cgraph_propagate_frequency): Declare.
1928         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1929         cgraph_propagate_frequency.
1930
1931 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1932
1933         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1934
1935 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1936
1937         PR target/40657
1938         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1939         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1940         here to determine which regs to push and how much stack to reserve.
1941
1942 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1943
1944         * doc/gimple.texi (gimple_statement_with_ops): Remove
1945         addresses_taken field.
1946         (gimple_statement_with_memory_ops): Likewise.
1947
1948 2010-04-27  Jan Hubicka  <jh@suse.cz>
1949
1950         * tree-inline.c (eni_inlining_weights): Remove.
1951         (estimate_num_insns): Special case more builtins.
1952
1953 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1954
1955         PR c/32207
1956         * c-typeck.c (build_binary_op): Move forward check for comparison
1957         pointer with null pointer constant and adjust the diagnostic message.
1958
1959 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1960
1961         PR lto/42776
1962         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1963         binutils supports extended .section directive needed by LTO, or
1964         warn if older binutils found.
1965         (LTO_BINARY_READER): New AC_SUBST'd variable.
1966         (LTO_USE_LIBELF): Likewise.
1967         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1968         variable.
1969         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1970         (LTO_USE_LIBELF): Likewise.
1971         * configure: Regenerate.
1972
1973         * collect2.c (is_elf): Rename from this ...
1974         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1975          object files in addition to ELF-formatted ones.
1976         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1977         symbol to be prefixed or not by an extra underscore.
1978
1979         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1980         * config/i386/winnt.c: Also #include lto-streamer.h
1981         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1982         LTO named sections.
1983         (i386_pe_asm_output_aligned_decl_common): Add comment.
1984         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1985
1986 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1987
1988         PR target/43889
1989         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1990         Add missing earlyclobber for second alternative.
1991
1992 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1993
1994         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1995         bits for artificial defs at the top of the block.
1996         * fwprop.c (single_def_use_enter_block): Don't call it.
1997
1998 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1999
2000         PR 43715
2001         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2002         instead of "$gcc_cv_objdump -T".
2003         Use "-undefined dynamic_lookup" on darwin.
2004         * gcc/configure: Regenerate.
2005
2006 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2007
2008         PR c/43893
2009         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2010
2011 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2012
2013         * c-parser.c (struct c_token): Move location field up.
2014         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2015         (struct c_declspecs): Convert typespec_word, storage_class, and
2016         default_int_p into bitfields.
2017         (struct c_declarator): Move loc field up.
2018
2019 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2020
2021         * cfgloop.h (struct loop): Move can_be_parallel field up.
2022         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2023         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2024         down.
2025         (struct iv_cand): Convert pos field into a bitfield.
2026         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2027         field up.
2028         (struct _stmt_vec_info): Shuffle fields for better packing.
2029
2030 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2031
2032         * varasm.c (IN_NAMED_SECTION): Remove guard.
2033         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2034         (IN_NAMED_SECTION_P): ...this.
2035         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2036         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2037
2038 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2039
2040         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2041         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2042         of shadowing it.  Fix comments.
2043
2044 2010-04-26  Jan Hubicka  <jh@suse.cz>
2045
2046         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2047         (cgraph_clone_node): Copy function frequency.
2048         * cgraph.h (node_frequency): New enum
2049         (struct cgraph_node): Add.
2050         * final.c (rest_of_clean_state): Update.
2051         * lto-cgraph.c (lto_output_node): Output node frequency.
2052         (input_overwrite_node): Input node frequency.
2053         * tre-ssa-loop-ivopts (computation_cost): Update.
2054         * lto-streamer-out.c (output_function): Do not output function
2055         frequency.
2056         * predict.c (maybe_hot_frequency_p): Update and handle functions
2057         executed once.
2058         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2059         attribute lookup.
2060         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2061         (compute_function_frequency): Set noreturn functions to be executed
2062         once.
2063         (choose_function_section): Update.
2064         * lto-streamer-in.c (input_function): Do not input function frequency.
2065         * function.c (allocate_struct_function): Do not initialize function
2066         frequency.
2067         * function.h (function_frequency): Remove.
2068         (struct function): Remove function frequency.
2069         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2070         (try_update): Update.
2071         * tree-inline.c (initialize_cfun): Do not update function frequency.
2072         * passes.c (pass_init_dump_file): Update.
2073         * i386.c (ix86_compute_frame_layout): Update.
2074         (ix86_pad_returns): Update.
2075
2076 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2077
2078         PR tree-optimization/43833
2079         * tree-vrp.c (range_int_cst_p): New.
2080         (range_int_cst_singleton_p): New.
2081         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2082         when both operands are constants.  Use range_int_cst_p in
2083         BIT_IOR_EXPR case.
2084
2085 2010-04-26  Jan Hubicka  <jh@suse.cz>
2086
2087         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2088
2089 2010-04-26  Richard Guenther  <rguenther@suse.de>
2090
2091         PR lto/43080
2092         * gimple.c (gimple_decl_printable_name): Deal gracefully
2093         with a NULL DECL_NAME.
2094
2095 2010-04-26  Richard Guenther  <rguenther@suse.de>
2096
2097         PR lto/42425
2098         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2099         if emitting debug information and it is either a function
2100         or a namespace decl.
2101
2102 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2103
2104         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2105         determine if the statement is vectorizable, and a macro to access it.
2106         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2107         Skip statements that can't be vectorized. If the analysis fails,
2108         mark the statement as unvectorizable if vectorizing basic block.
2109         (vect_compute_data_refs_alignment): Likewise.
2110         (vect_verify_datarefs_alignment): Skip statements marked as
2111         unvectorizable. Add print.
2112         (vect_analyze_group_access): Skip statements that can't be
2113         vectorized. If the analysis fails, mark the statement as
2114         unvectorizable if vectorizing basic block.
2115         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2116         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2117         generated stmts for SLP.
2118         (new_stmt_vec_info): Initialize the new field.
2119         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2120         statements marked as unvectorizable.
2121
2122 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2123
2124         * c-common.c (flag_isoc1x): New.
2125         (flag_isoc99): Update comment.
2126         * c-common.h (flag_isoc1x): New.
2127         (flag_isoc99): Update comment.
2128         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2129         __<type>_DECIMAL_DIG__.
2130         * c-opts.c (set_std_c1x): New.
2131         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2132         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2133         * c.opt (-std=c1x, -std=gnu1x): New options.
2134         * doc/cpp.texi: Mention -std=c1x.
2135         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2136         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2137         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2138         * doc/standards.texi: Mention C1X.
2139         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2140         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2141         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2142         Define for C1X.
2143
2144 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2145
2146         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2147         placeholder from 0x%x to %#x.
2148         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2149         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2150         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2151         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2152         * config/i386/i386.c (ix86_target_string): Ditto.
2153         (output_pic_addr_const): Ditto.
2154         (print_operand): Ditto.
2155
2156 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2157
2158         * combine.c (find_split_point): Add third argument.  Use it
2159         to find nested multiply-accumulate instructions.  Adjust calls.
2160         (try_combine): Adjust call to find_split_point.
2161
2162 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2163
2164         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2165
2166 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2167
2168         PR tree-optimization/41442
2169         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2170         (fold_binary_loc): Call it.
2171
2172 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2173
2174         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2175         * opts.c (common_handle_option): Allow disabling it.
2176         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2177
2178 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2179
2180         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2181         between modes if both types are integral.
2182
2183 2010-04-23  Richard Guenther  <rguenther@suse.de>
2184
2185         PR tree-optimization/43572
2186         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2187
2188 2010-04-23  Richard Guenther  <rguenther@suse.de>
2189
2190         PR lto/43455
2191         * tree-inline.c (tree_can_inline_p): Also check compatibility
2192         of return types.
2193
2194 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2195
2196         PR tree-optimization/43846
2197         * tree-sra.c (struct access): New flag grp_assignment_read.
2198         (build_accesses_from_assign): Set grp_assignment_read.
2199         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2200         (enum mark_read_status): New type.
2201         (analyze_access_subtree): Propagate grp_assignment_read, create
2202         accesses also if both direct_read and root->grp_assignment_read.
2203
2204 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2205
2206         PR middle-end/43835
2207         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2208         function does not have type attributes.
2209
2210 2010-04-23  Richard Guenther  <rguenther@suse.de>
2211
2212         PR lto/42653
2213         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2214         of FUNCTION_DECLs.
2215
2216 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2217
2218         * sese.h (create_if_region_on_edge): Remove.
2219
2220         * sese.c (create_if_region_on_edge): Make static.
2221
2222         * tree-inline.c: Do not include ggc.h.
2223
2224         * expr.c: Do not include ggc.h.
2225
2226         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2227         dependencies.
2228
2229 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2230
2231         PR target/43744
2232         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2233         in the middle of insns for casesi_worker_2.
2234
2235 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2236
2237         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2238
2239 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2240
2241         PR tree-optimization/43842
2242         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2243         loop unrolling in update of exit phis. Fix comment.
2244         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2245         least two reduction statements in the loop before starting SLP
2246         analysis.
2247
2248 2010-04-22  Nick Clifton  <nickc@redhat.com>
2249
2250         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2251
2252 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2253
2254         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2255         to simplify a + ~a.
2256
2257 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2258
2259         * tree-parloops.c (loop_parallel_p): New argument
2260         parloop_obstack.  Pass it down.
2261         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2262         pass it down, free it.
2263
2264         * tree-loop-linear.c (linear_transform_loops): Pass down
2265         lambda_obstack.
2266
2267         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2268         of type struct obstack *.
2269
2270         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2271         scratch_obstack.  Initialize it, pass down, free it.
2272
2273         * lambda.h (lambda_loop_new): Remove.
2274         (lambda_matrix_new, lambda_matrix_inverse)
2275         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2276         argument of type struct obstack *.
2277
2278         * lambda-trans.c (lambda_trans_matrix_new): New argument
2279         lambda_obstack.  Pass it down, use obstack allocation for ret.
2280         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2281         it down.
2282
2283         * lambda-mat.c (lambda_matrix_get_column)
2284         (lambda_matrix_project_to_null): Remove.
2285         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2286         allocation for mat.
2287         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2288         lambda_obstack.
2289
2290         * lambda-code.c (lambda_loop_new): New function.
2291         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2292         (lambda_compute_auxillary_space, lambda_compute_target_space)
2293         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2294         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2295         (build_access_matrix): New argument lambda_obstack.  Use obstack
2296         allocation for am.
2297         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2298         argument lambda_obstack.  Pass it down.
2299
2300 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2301
2302         * optabs.h (expand_widening_mult): Declare.
2303
2304 2010-04-22  Richard Guenther  <rguenther@suse.de>
2305
2306         PR tree-optimization/43845
2307         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2308         lookup the CALL_EXPR function and arguments.
2309
2310 2010-04-22  Nick Clifton  <nickc@redhat.com>
2311
2312         * config/stormy16/stormy16.c
2313         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2314         * config/stormy16/stormy16.h: Tidy up formatting.
2315         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2316         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2317         (ineqbranchsi): Delete pattern.
2318         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2319         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2320         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2321         stormy16-lib2-ucmpsi2.c.
2322
2323 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2324
2325         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2326         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2327         extra set merge_set_noclobber, and use it to relax the final test
2328         slightly.
2329         * df.h (df_simulate_find_noclobber_defs): Declare.
2330         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2331         conditional defs.
2332         (df_simulate_find_noclobber_defs): New function.
2333
2334 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2335
2336         * config/i386/i386.md: Use {} around multi-line preparation statements.
2337
2338 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2339
2340         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2341         (process_init_element): New argument of type struct obstack *.
2342
2343         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2344         (set_init_index, set_init_label, set_nonincremental_init)
2345         (set_nonincremental_init_from_string, find_init_member)
2346         (output_init_element, output_pending_init_elements)
2347         (process_init_element): New argument braced_init_obstack.  Pass it
2348         down.
2349         (push_range_stack, add_pending_init): New argument
2350         braced_init_obstack.  Use obstack allocation.
2351
2352         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2353         braced_init_obstack.  Pass it down.
2354         (c_parser_braced_init): New variables ret, braced_init_obstack.
2355         Initialize obstack, pass it down and finally free it.
2356
2357 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2358
2359         PR middle-end/29274
2360         * tree-pass.h (pass_optimize_widening_mul): Declare.
2361         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2362         gate_optimize_widening_mul): New static functions.
2363         (pass_optimize_widening_mul): New.
2364         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2365         <case MULT_EXPR>: Remove support for widening multiplies.
2366         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2367         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2368         simplify_gen_unary rather than directly building extensions.
2369         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2370         WIDEN_MULT_EXPR.
2371         * expmed.c (expand_widening_mult): New function.
2372         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2373
2374 2010-04-21  Jan Hubicka  <jh@suse.cz>
2375
2376         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2377         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2378         * lto-wpa-fixup.c: Remove.
2379         * Makefile.in (lto-wpa-fixup.o): Remove.
2380         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2381         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2382         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2383
2384 2010-04-21  Jan Hubicka  <jh@suse.cz>
2385
2386         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2387         add write_optimization_summary, read_optimization_summary.
2388         (ipa_write_summaries_of_cgraph_node_set): Remove.
2389         (ipa_write_optimization_summaries): Declare.
2390         (ipa_read_optimization_summaries): Declare.
2391         * ipa-cp.c (pass_ipa_cp): Update.
2392         * ipa-reference.c (pass_ipa_reference): Update.
2393         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2394         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2395         Update.
2396         * ipa-inline.c (pass_ipa_inline): Update.
2397         * ipa.c (pass_ipa_whole_program): Update.
2398         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2399         * passes.c (ipa_write_summaries_1): Do not test wpa.
2400         (ipa_write_optimization_summaries_1): New.
2401         (ipa_write_optimization_summaries): New.
2402         (ipa_read_summaries): Do not test ltrans.
2403         (ipa_read_optimization_summaries_1): New.
2404         (ipa_read_optimization_summaries): New.
2405
2406 2010-04-21  Jan Hubicka  <jh@suse.cz>
2407
2408         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2409         for boundary nodes.
2410         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2411
2412 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2413
2414         PR debug/40040
2415         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2416         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2417
2418 2010-04-21  Jan Hubicka  <jh@suse.cz>
2419
2420         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2421
2422 2010-04-21  Jan Hubicka  <jh@suse.cz>
2423
2424         * varpool.c (decide_is_variable_needed): Variable is always needed
2425         during ltrans.
2426
2427 2010-04-21  Jan Hubicka  <jh@suse.cz>
2428
2429         * opts.c (decode_options): Enable pure-const pass for whopr.
2430
2431 2010-04-21  Jan Hubicka  <jh@suse.cz>
2432
2433         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2434         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2435         at WPA dumping.
2436         (cgraph_decide_inlining): Do not expect callee to be removed in all
2437         cases.
2438
2439 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2440
2441         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2442
2443 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2444
2445         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2446         amdfam10_decode attributes.
2447
2448 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2449
2450         PR middle-end/43570
2451         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2452         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2453         (lower_copyprivate_clauses): Use private var in outer
2454         context instead of original var.  Make sure the types
2455         are correct for VLAs.
2456
2457 2010-04-21  Richard Guenther  <rguenther@suse.de>
2458
2459         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2460         to non-pointer objects.
2461
2462 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2463
2464         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2465         last chain entry if it starts with the still current label.
2466         (add_location_or_const_value_attribute): Check that
2467         loc_list->first->next is NULL instead of comparing ->first with ->last.
2468         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2469         to add_var_loc_to_decl.
2470
2471         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2472         >= 4 add also address size and segment size fields into CIE header.
2473
2474         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2475         long as address size is the same as sizeof (void *) and
2476         segment size is 0.
2477         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2478         address size or segment size is unexpected, return DW_EH_PE_omit.
2479         (classify_object_over_fdes): If get_cie_encoding returned
2480         DW_EH_PE_omit, return -1.
2481         (init_object): If classify_object_over_fdes returned -1,
2482         pretend there were no FDEs at all.
2483
2484 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2485
2486         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2487         bswap{si,di}2 using SWI48 mode iterator.
2488         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2489         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2490         set modrm attribute of bswap insn to 0 and remove length attribute.
2491         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2492         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2493         set mode attribute to <MODE> and remove length attribute.
2494
2495 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2496
2497         PR rtl-optimization/43520
2498         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2499         zero available registers.
2500
2501 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2502
2503         * builtins.c (fold_builtin_cproj): Fold more cases.
2504
2505 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2506
2507         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2508         (fold_builtin_1): Fold builtin cproj.
2509         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2510         Use ATTR_CONST_NOTHROW_LIST.
2511
2512 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2513
2514         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2515         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2516         ffsi2_no_cmove for !TARGET_CMOVE.
2517         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2518         (ffssi2): Remove expander.
2519         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2520         mode iterator.
2521         (ctz<mode>2): Ditto from ctz{si,di}2.
2522         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2523         mode iterator.
2524         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2525         mode iterator.
2526
2527 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2528
2529         * dwarf2out.c (AT_linkage_name): Define.
2530         (clone_as_declaration): Handle DW_AT_linkage_name.
2531         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2532         of DW_AT_MIPS_linkage_name.
2533         (move_linkage_attr): Likewise.
2534         (dwarf2out_finish): Likewise.
2535
2536 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2537
2538         PR middle-end/41952
2539         * fold-const.c (fold_comparison): New folding rule.
2540
2541 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2542
2543         * double-int.h (double_int_setbit): Declare.
2544         * double-int.c (double_int_setbit): New function.
2545         * rtl.h (immed_double_int_const): Declare.
2546         * emit-rtl.c (immed_double_int_const): New function.
2547         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2548         and immed_double_int_const functions.
2549         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2550         expand_copysign_bit):  (Ditto.).
2551         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2552         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2553         * dojump.c (prefer_and_bit_test): (Ditto.).
2554         * expr.c (convert_modes, reduce_to_bit_field_precision,
2555         const_vector_from_tree): (Ditto.).
2556         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2557
2558 2010-04-20  Jan Hubicka  <jh@suse.cz>
2559
2560         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2561         (dump_cgraph_node): Dump new flags.
2562         * cgraph.h (struct cgraph_node): Add flags
2563         reachable_from_other_partition and in_other_partition.
2564         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2565         other partition can not be removed.
2566         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2567         the other partition must be output; silence sanity checking on
2568         leaking functions bodies from other paritition.
2569         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2570         (lto_output_node): Output new flags; do not sanity check that inline
2571         clones are output; drop lto_forced_extern_inline_p code; do not mock
2572         visibility flags at partition boundaries.
2573         (add_node_to): New function.
2574         (output_cgraph): Use it to sort functions so masters appear before
2575         clones.
2576         (input_overwrite_node): Input new flags.
2577         * passes.c (ipa_write_summaries): Do not call
2578         lto_new_extern_inline_states.
2579         * lto-section-out.c (forced_extern_inline,
2580         lto_new_extern_inline_states lto_delete_extern_inline_states,
2581         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2582         * lto-streamer.h (lto_new_extern_inline_states,
2583         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2584         lto_forced_extern_inline_p): Kill.
2585
2586 2010-04-20  Richard Guenther  <rguenther@suse.de>
2587
2588         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2589         from vars that can have pointers.
2590         (process_constraint): Dump useless constraints.
2591
2592 2010-04-20  Richard Guenther  <rguenther@suse.de>
2593
2594         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2595         (dump_sa_points_to_info): Remove asserts.
2596         (init_base_vars): nothing_id isn't an escape point nor does it
2597         have pointers.
2598
2599 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2600
2601         * tree.h (TYPE_REF_IS_RVALUE): Define.
2602         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2603         should_move_die_to_comdat, prune_unused_types_walk): Handle
2604         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2605         (modified_type_die, gen_reference_type_die): Emit
2606         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2607         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2608
2609 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2610
2611         PR target/43635
2612         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2613         calls for -fpic -m31 if they have been sibcall optimized.
2614
2615 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2616
2617         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2618         ar.lc fixed and call-used.
2619
2620         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2621
2622 2010-04-19  Jan Hubicka  <jh@suse.cz>
2623
2624         * opts.c (decode_options): Disable whpr incompatible passes.
2625         * lto/lto.c (lto_1_to_1_map): Skip clones.
2626         (read_cgraph_and_symbols): Do not mark everything as needed.
2627         (do_whole_program_analysis): Do map only after optimizing;
2628         set proper cgraph_state; use passmanager.
2629
2630 2010-04-19  DJ Delorie  <dj@redhat.com>
2631
2632         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2633         POINTER_PLUS_EXPR and fix them.
2634
2635 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2636
2637         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2638         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2639         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2640         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2641         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2642         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2643         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2644         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2645         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2646         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2647         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2648
2649 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2650
2651         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2652         (check_cond_move_block): Likewise.
2653         (cond_move_process_if_block): Likewise.
2654         (noce_find_if_block): Improve formatting.
2655         (find_if_header): Pass 0 to memset and tweak conditions.
2656         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2657
2658 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2659
2660         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2661         for -gdwarf-4.
2662
2663         PR middle-end/43337
2664         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2665         with non-local decl doesn't need chain.
2666
2667 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2668
2669         * ira-color.c (allocno_reload_assign): Avoid accumulating
2670         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2671
2672 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2673
2674         * gimple.h (create_tmp_reg): Declare.
2675         * gimplify.c (create_tmp_reg): New function.
2676         (gimplify_return_expr): Use create_tmp_reg.
2677         (gimplify_omp_atomic): Likewise.
2678         (gimple_regimplify_operands): Likewise.
2679         * tree-dfa.c (make_rename_temp): Likewise.
2680         * tree-predcom.c (predcom_tmp_var): Likewise.
2681         (reassociate_to_the_same_stmt): Likewise.
2682         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2683         (get_replaced_param_substitute): Likewise.
2684         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2685         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2686         * tree-ssa-pre.c (get_representative_for): Likewise.
2687         (create_expression_by_pieces): Likewise.
2688         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2689         (create_tailcall_accumulator): Likewise.
2690
2691 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2692
2693         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2694         new_stmt.
2695         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2696
2697 2010-04-19  Richard Guenther  <rguenther@suse.de>
2698
2699         PR tree-optimization/43796
2700         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2701         from SCEV in the lattice.
2702         (vrp_visit_phi_node): Dump change.
2703
2704 2010-04-19  Richard Guenther  <rguenther@suse.de>
2705
2706         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2707         * configure: Re-generated.
2708
2709 2010-04-19  Richard Guenther  <rguenther@suse.de>
2710
2711         PR tree-optimization/43783
2712         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2713         constant ARRAY_REF operands two and three if possible.
2714
2715 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2716
2717         PR target/43766
2718         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2719
2720 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2721
2722         PR target/43662
2723         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2724
2725 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2726
2727         PR tree-optimization/37027
2728         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2729         and macro to access it.
2730         (vectorizable_reduction): Add argument.
2731         (vect_get_slp_defs): Likewise.
2732         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2733         statements for possible use in SLP.
2734         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2735         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2736         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2737         add new argument.
2738         (vectorizable_reduction): Likewise.
2739         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2740         vect_get_slp_defs.
2741         (vectorizable_type_demotion, vectorizable_type_promotion,
2742         vectorizable_store): Likewise.
2743         (vect_analyze_stmt): Update call to vectorizable_reduction.
2744         (vect_transform_stmt): Likewise.
2745         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2746         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2747         from different interleaving chains in same node.
2748         (vect_slp_rearrange_stmts): New function.
2749         (vect_supported_load_permutation_p): Allow load permutations for
2750         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2751         inside SLP nodes if necessary.
2752         (vect_analyze_slp_instance): Handle reductions.
2753         (vect_analyze_slp): Try to build SLP instances originating from groups
2754         of reductions.
2755         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2756         (vect_get_constant_vectors): Create initial vectors for reductions
2757         according to reduction code. Add new argument.
2758         (vect_get_slp_defs): Add new argument, pass it to
2759         vect_get_constant_vectors.
2760         (vect_schedule_slp_instance): Remove SLP tree root statements.
2761
2762 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2763
2764         * tree.h (ENUM_IS_SCOPED): Define.
2765         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2766         for ENUM_IS_SCOPED enums.
2767
2768 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2769
2770         * fold-const.c (fold_comparison): Use ssizetype.
2771         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2772         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2773         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2774         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2775
2776         * tree.h (initialize_sizetypes): Remove parameter.
2777         (build_common_tree_nodes): Remove second parameter.
2778         * stor-layout.c (initialize_sizetypes): Remove parameter.
2779         Always create an unsigned type.
2780         (set_sizetype): Assert that the passed type is unsigned and simplify.
2781         * tree.c (build_common_tree_nodes): Remove second parameter.
2782         Adjust call to initialize_sizetypes.
2783         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2784         build_common_tree_nodes.
2785
2786 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2787
2788         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2789
2790 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2791
2792         PR tree-optimization/43771
2793         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2794         load permutation doesn't have gaps.
2795
2796 2010-04-18  Jan Hubicka  <jh@suse.cz>
2797
2798         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2799         (sse_prologue_save_insn expander): Use new pattern.
2800         (sse_prologue_save_insn1): New pattern and splitter.
2801         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2802         blocks.
2803         * i386.c (setup_incoming_varargs_64): Do not compute jump
2804         destination here.
2805         (ix86_gimplify_va_arg): Update alignment needed.
2806         (ix86_local_alignment): Do not align all local arrays to 128bit.
2807
2808 2010-04-17  Jan Hubicka  <jh@suse.cz>
2809
2810         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2811
2812 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2813
2814         * arm.md (negdi2): Remove redundant code to force values into a
2815         register.
2816
2817 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2818
2819         * arm/bpabi.S: Add EABI alignment attributes to objects.
2820         * arm/bpabi-v6m.S: Likewise.
2821         * arm/crti.asm: Likewise.
2822         * arm/crtn.asm: Likewise.
2823         * arm/lib1funcs.asm: Likewise.
2824         * arm/libunwind.S: Likewise.
2825
2826 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2827
2828         * arm-protos.h (tune_params): New structure.
2829         * arm.c (current_tune): New variable.
2830         (arm_constant_limit): Delete.
2831         (struct processors): Add pointer to the tune parameters.
2832         (arm_slowmul_tune): New tuning option.
2833         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2834         (all_cores): Adjust to pick up the tuning model.
2835         (arm_constant_limit): New function.
2836         (arm_override_options): Select the appropriate tuning model.  Delete
2837         initialization of arm_const_limit.
2838         (arm_split_constant): Use the new constant-limit model.
2839         (arm_rtx_costs): Pick up the current tuning model.
2840         * arm.md (is_strongarm, is_xscale): Delete.
2841         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2842         for Xscale variant architectures.
2843         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2844
2845 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2846
2847         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2848         can_shift.
2849         (arm_rtx_costs_1): Remove unused variable extra_cost.
2850         (arm_unwind_emit_set): Use variable offset.
2851         (thumb1_output_casesi): Remove unused variable flags.
2852
2853 2010-04-16  Jeff Law  <law@redhat.com>
2854
2855         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2856         needing assignment rather than doing a two-phase assignment.  Remove
2857         unused variable 'm'.
2858
2859 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2860
2861         PR bootstrap/43767
2862         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2863
2864 2010-04-16  Doug Kwan  <dougkwan@google.com>
2865
2866         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2867         (next_operand_entry_id): New static variable.
2868         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2869         (add_to_ops_vec): Assigned unique ID to operand entry.
2870         (struct oecount_s): New field ID.
2871         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2872         (undistribute_ops_list): Assign unique IDs to oecounts.
2873         (init_reassoc): reset next_operand_entry_id.
2874
2875 2010-04-16  Doug Kwan  <dougkwan@google.com>
2876
2877         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2878         missing left parenthesis.
2879
2880 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2881
2882         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2883         *btdi_rex64 using SWI48 mode iterator.
2884         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2885         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2886         *jcc_btdi_mask_rex64.
2887
2888 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2889
2890         * double-int.h (tree_to_double_int): Convert to macro.
2891         * double-int.c (tree_to_double_int): Remove.
2892
2893 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2894
2895         PR debug/43762
2896         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2897         with want_address 2 and in case a single element list might be
2898         possible, call it again with want_address 0.
2899
2900 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2901
2902         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2903         case 'W' print operands for HI mode.
2904         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2905         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2906         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2907         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2908
2909         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2910
2911         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2912         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2913         #xx:3 and #xx:4 mode.
2914
2915         * config/h8300/h8300.md (inverted load with HImode dest): Add
2916         support for H8300SX.
2917
2918         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2919         satisfy 'U' constraint.
2920
2921 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2922
2923         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2924         * configure: Regenerate.
2925         * config.in: Regenerate.
2926         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2927         works.
2928
2929 2010-04-16  Richard Guenther  <rguenther@suse.de>
2930
2931         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2932         (struct tree_decl_common): ... here.
2933         (DECL_PT_UID): Adjust.
2934         (SET_DECL_PT_UID): Likewise.
2935         (DECL_PT_UID_SET_P): Likewise.
2936
2937 2010-04-16  Richard Guenther  <rguenther@suse.de>
2938
2939         PR tree-optimization/43572
2940         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2941         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2942         * tree-flow.h (is_call_clobbered): Remove.
2943         * tree-flow-inline.h (is_call_clobbered): Likewise.
2944         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2945         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2946         (execute_return_slot_opt): Adjust.
2947         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2948         check for call clobbered vars here.
2949         (find_tail_calls): Move tailcall verification to the
2950         proper place.
2951
2952 2010-04-16  Diego Novillo  <dnovillo@google.com>
2953
2954         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2955
2956 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2957
2958         PR target/40603
2959         * config/arm/arm.md (cbranchqi4): New pattern.
2960         * config/arm/predicates.md (const0_operand,
2961         cbranchqi4_comparison_operator): New predicates.
2962
2963 2010-04-16  Richard Guenther  <rguenther@suse.de>
2964
2965         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2966         (dump_gimple_stmt): Likewise.
2967
2968 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2969
2970         * recog.h (struct recog_data): New field is_operator.
2971         (struct insn_operand_data): New field is_operator.
2972         * recog.c (extract_insn): Set recog_data.is_operator.
2973         * genoutput.c (output_operand_data): Emit code to set the
2974         is_operator field.
2975         * reload.c (find_reloads): Use it rather than testing for an
2976         empty constraint string.
2977
2978         PR target/41514
2979         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2980         If the previous insn is a cbranchsi4_insn with the same arguments,
2981         omit the compare instruction.
2982
2983         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2984         register, inputs must be low registers and we need a low register
2985         scratch.  Handle alternative 2 like alternative 3.
2986
2987 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2988
2989         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2990         don't call get_addr on both.  If one expression is a VALUE and
2991         the other a REG, check VALUE's locs if the REG isn't among them.
2992
2993 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2994
2995         * config/sh/sh.h (sh_frame_pointer_required): New function.
2996         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2997         (flag_omit_frame_pointer) Set.
2998         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2999         (rounded_frame_size): Adjust size with outgoing_args_size.
3000         (sh_set_return_address): Must return from stack pointer.
3001         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3002         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3003         (ACCUMULATE_OUTGOING_ARGS): Define.
3004         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3005         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3006
3007 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3008
3009         PR target/43471
3010         * config/sh/sh.c (sh_legitimize_reload_address): Use
3011         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3012         Remove a unneeded check for offset_base.
3013
3014 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3015
3016         * configure: Regenerated.
3017
3018 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3019
3020         * config/s390/s390.c (s390_call_save_register_used): Switch back
3021         to HARD_REGNO_NREGS.
3022
3023 2010-04-15  Richard Guenther  <rguenther@suse.de>
3024
3025         * alias.c (alias_set_subset_of): Handle alias-set zero
3026         child properly.
3027
3028 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3029             Julian Brown  <julian@codesourcery.com>
3030
3031         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3032         alternatives according to use of high and low regs.
3033         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3034         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3035         optimizing for size on Thumb-2.
3036
3037 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3038
3039         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3040
3041 2010-04-15  Richard Guenther  <rguenther@suse.de>
3042
3043         * tree-ssa-structalias.c (struct variable_info): Add
3044         is_fn_info flag.
3045         (new_var_info): Initialize it.
3046         (dump_constraints): Support printing last added constraints.
3047         (debug_constraints): Adjust.
3048         (dump_constraint_graph): Likewise.
3049         (make_heapvar_for): Check for NULL cfun.
3050         (get_function_part_constraint): New function.
3051         (get_fi_for_callee): Likewise.
3052         (find_func_aliases): Properly implement IPA PTA constraints.
3053         (process_ipa_clobber): New function.
3054         (find_func_clobbers): Likewise.
3055         (insert_into_field_list_sorted): Remove.
3056         (create_function_info_for): Properly allocate vars for IPA mode.
3057         Do not use insert_into_field_list_sorted.
3058         (create_variable_info_for): Properly generate constraints for
3059         global vars in IPA mode.
3060         (dump_solution_for_var): Always dump the solution.
3061         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3062         (find_what_var_points_to): Adjust.
3063         (pt_solution_set): Change.
3064         (pt_solution_ior_into): New function.
3065         (pt_solution_empty_p): Export.
3066         (pt_solution_includes_global): Adjust.
3067         (pt_solution_includes_1): Likewise.
3068         (pt_solutions_intersect_1): Likewise.
3069         (dump_sa_points_to_info): Check some invariants.
3070         (solve_constraints): Move constraint dumping ...
3071         (compute_points_to_sets): ... here.
3072         (ipa_pta_execute): ... and here.
3073         (compute_may_aliases): Do not re-compute points-to info
3074         locally if IPA info is available.
3075         (ipa_escaped_pt): New global var.
3076         (ipa_pta_execute): Properly implement IPA PTA.
3077         * tree-into-ssa.c (dump_decl_set): Support dumping
3078         decls not in referenced-vars.
3079         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3080         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3081         (dump_points_to_solution): Likewise.
3082         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3083         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3084         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3085         (copy_decl_to_var): Copy DECL_PT_UID.
3086         (copy_result_decl_to_var): Likewise.
3087         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3088         (copy_node_stat): Copy it.
3089         * tree.h (DECL_PT_UID): New macro.
3090         (SET_DECL_PT_UID): Likewise.
3091         (DECL_PT_UID_SET_P): Likewise.
3092         (struct tree_decl_minimal): Add pt_uid member.
3093         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3094         (pt_solution_empty_p): Declare.
3095         (pt_solution_set): Adjust.
3096         (ipa_escaped_pt): Declare.
3097         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3098         * gimple-pretty-print.c (pp_points_to_solution): New function.
3099         (dump_gimple_call): Dump call clobber/use information.
3100         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3101         * tree-pass.h (TDF_ALIAS): New dump option.
3102         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3103         * doc/invoke.texi (-fipa-pta): Update documentation.
3104
3105 2010-04-15  Richard Guenther  <rguenther@suse.de>
3106
3107         * Makefile.in (OBJS-common): Add gimple-fold.o.
3108         (gimple-fold.o): New rule.
3109         * tree.h (maybe_fold_offset_to_reference,
3110         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3111         prototypes ...
3112         * gimple.h: ... here.
3113         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3114         may_propagate_address_into_dereference): Move prototypes ...
3115         * gimple.h: ... here.
3116         * tree-ssa-ccp.c (get_symbol_constant_value,
3117         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3118         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3119         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3120         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3121         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3122         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3123         gimplify_and_update_call_from_tree): Move ...
3124         * gimple-fold.c: ... here.  New file.
3125         (ccp_fold_builtin): Rename to ...
3126         (gimple_fold_builtin): ... this.
3127         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3128
3129 2010-04-15  Richard Guenther  <rguenther@suse.de>
3130
3131         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3132         fit_double_type, force_fit_type_double, add_double_with_sign,
3133         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3134         lrotate_double, rrotate_double, div_and_round_double): Move ...
3135         * double-int.c: ... here.
3136         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3137         add_double, neg_double, mul_double_with_sign, mul_double,
3138         lshift_double, rshift_double, lrotate_double, rrotate_double,
3139         div_and_round_double): Move prototypes ...
3140         * double-int.h: ... here.
3141
3142 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3143
3144         PR target/43742
3145         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3146         matching constraints to ensure inputs match the output.
3147
3148 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3149
3150         PR target/43742
3151         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3152         in an input-only operand.
3153
3154 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3155
3156         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3157         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3158         (double_int_negative_p): Convert to static inline function.
3159         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3160         (double_int_negative_p): Remove.
3161         * tree.h (lshift_double, rshift_double):
3162         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3163         * fold-const.c (fold_convert_const_int_from_real,
3164         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3165         (lshift_double): Change type of arith argument to bool.
3166         (rshift_double): Change type of arith argument to bool. Correct
3167         comment.
3168         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3169
3170 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3171
3172         PR target/21803
3173         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3174         at the start and end of the then/else blocks, and omit them from the
3175         conversion.
3176         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3177         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3178         (flow_find_head_matching_sequence): New function.
3179         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3180         * basic-block.h (flow_find_cross_jump,
3181         flow_find_head_matching_sequence): Declare functions.
3182
3183 2010-04-14  Jason Merrill  <jason@redhat.com>
3184
3185         PR c++/36625
3186         * c-common.c (attribute_takes_identifier_p): New fn.
3187         * c-common.h: Declare it.
3188
3189 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3190
3191         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3192         splitter condition.
3193         (*udivmod<mode>4): Ditto.
3194
3195 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3196
3197         * config/i386/i386.md (maxmin_int): Rename code attribute from
3198         maxminiprefix and update all users.
3199         (maxmin_float): Ditto from maxminfprefix.
3200         (logic): Ditto from logicprefix.
3201         (absneg_mnemonic): Ditto from absnegprefix.
3202         * config/i386/mmx.md: Update all users of maxminiprefix,
3203         maxminfprefix and logicprefix for rename.
3204         * config/i386/sse.md: Ditto.
3205         * config/i386/sync.md (sync_<code><mode>): Update for
3206         logicprefix rename.
3207
3208 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3209
3210         PR 42966
3211         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3212         warnings converted to errors.
3213
3214 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3215
3216         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3217         used insn_type variable.
3218         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3219         to avoid set-but-not-used warning.
3220
3221 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3222
3223         * df-core.c (df_ref_debug): Change format string placeholder
3224         from 0x%x to %#x.
3225         * dwarf2asm.c (dw2_asm_output_data_raw,
3226         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3227         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3228         * dwarf2out.c (output_cfi, output_cfi_directive,
3229         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3230         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3231         Ditto.
3232         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3233         * print-rtl.c (print_rtx): Ditto.
3234
3235 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3236
3237         PR middle-end/42694
3238         * builtins.c (expand_builtin_pow_root): New function to expand pow
3239         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3240         series of sqrt and cbrt calls under -ffast-math.
3241         (expand_builtin_pow): Call it.
3242
3243 2010-04-14  Michael Matz  <matz@suse.de>
3244
3245         PR tree-optimization/42963
3246         * tree-cfg.c (touched_switch_bbs): New static variable.
3247         (group_case_labels_stmt): New function broken out from ...
3248         (group_case_labels): ... here, use the above.
3249         (start_recording_case_labels): Allocate touched_switch_bbs.
3250         (end_recording_case_labels): Deallocate it, call
3251         group_case_labels_stmt.
3252         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3253
3254 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3255
3256         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3257         from insn template.
3258
3259 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3260
3261         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3262
3263 2010-04-13  Jan Hubicka  <jh@suse.cz>
3264
3265         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3266         of optimized out static functions.
3267         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3268         cost computation.  Also sanity check for overflows.
3269         (update_caller_keys): Update cgraph_edge_badness call; properly
3270         update fibheap and sanity check that it is up to date.
3271         (add_new_edges_to_heap): Update cgraph_edge_badness.
3272         (cgraph_decide_inlining_of_small_function): Likewise;
3273         add sanity checking that badness in heap is up to date;
3274         improve dumping of reason; Update badness of calls to the
3275         offline copy of function currently inlined; dump badness
3276         of functions not inlined because of unit growth limits.
3277
3278 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3279
3280         PR middle-end/32628
3281         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3282         because of sign-extension change when converting to sizetype here...
3283         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3284
3285         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3286         the folding to constants.  Remove redundant final conversion.
3287         (fold_binary) <associate>: Do not associate if the re-association of
3288         constants alone overflows.
3289         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3290         to the end of the list.
3291         (multiple_of_p) <COND_EXPR>: New case.
3292
3293 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3294
3295         * opt-functions.awk (opt_sanitized_name): New.
3296         (opt_enum): New.
3297         * optc-gen.awk: Use it
3298         * opth-gen.awk: Use it.
3299
3300 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3301
3302         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3303         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3304         children.  Call replace_uses_with_default_def_ssa_name to handle
3305         SSA_NAES on lhs.
3306
3307 2010-04-13  Michael Matz  <matz@suse.de>
3308
3309         PR middle-end/43730
3310         * builtins.c (expand_builtin_interclass_mathfn): Also create
3311         a register if the predicate doesn't match.
3312
3313 2010-04-13  Diego Novillo  <dnovillo@google.com>
3314
3315         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3316         * c-pch.c: Include timevar.h.
3317         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3318         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3319         * ggc-common.c: Include timevar.h.
3320         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3321         * timevar.def (TV_PCH_SAVE): Define.
3322         (TV_PCH_CPP_SAVE): Define.
3323         (TV_PCH_PTR_REALLOC): Define.
3324         (TV_PCH_PTR_SORT): Define.
3325         (TV_PCH_RESTORE): Define.
3326         (TV_PCH_CPP_RESTORE): Define.
3327
3328 2010-04-13  Michael Matz  <matz@suse.de>
3329
3330         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3331         into MINUS_EXPRs.
3332         (can_reassociate_p): New function.
3333         (break_up_subtract_bb, reassociate_bb): Use it.
3334
3335 2010-04-13  Richard Guenther  <rguenther@suse.de>
3336
3337         PR bootstrap/43737
3338         * builtins.c (c_readstr): Fix assert.
3339
3340 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3341
3342         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3343         when generating cltd insn.
3344
3345         (*ashl<mode>3_1): Remove special handling for register operand 2.
3346         (*ashlsi3_1_zext): Ditto.
3347         (*ashlhi3_1): Ditto.
3348         (*ashlhi3_1_lea): Ditto.
3349         (*ashlqi3_1): Ditto.
3350         (*ashlqi3_1_lea): Ditto.
3351         (*<shiftrt_insn><mode>3_1): Ditto.
3352         (*<shiftrt_insn>si3_1_zext): Ditto.
3353         (*<shiftrt_insn>qi3_1_slp): Ditto.
3354         (*<rotate_insn><mode>3_1): Ditto.
3355         (*<rotate_insn>si3_1_zext): Ditto.
3356         (*<rotate_insn>qi3_1_slp): Ditto.
3357
3358 2010-04-13  Richard Guenther  <rguenther@suse.de>
3359
3360         * tree-ssa-structalias.c (callused_id): Remove.
3361         (call_stmt_vars): New.
3362         (get_call_vi): Likewise.
3363         (lookup_call_use_vi): Likewise.
3364         (lookup_call_clobber_vi): Likewise.
3365         (get_call_use_vi): Likewise.
3366         (get_call_clobber_vi): Likewise.
3367         (make_transitive_closure_constraints): Likewise.
3368         (handle_const_call): Adjust to do per-call call-used handling.
3369         (handle_pure_call): Likewise.
3370         (find_what_var_points_to): Remove general callused handling.
3371         (init_base_vars): Likewise.
3372         (init_alias_vars): Initialize call_stmt_vars.
3373         (compute_points_to_sets): Process call-used and call-clobbered
3374         vars for call statements.
3375         (delete_points_to_sets): Free call_stmt_vars.
3376
3377 2010-04-13  Richard Guenther  <rguenther@suse.de>
3378
3379         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3380         Only add RW dependence for dependence distance zero.
3381         Adjust maximal vectorization factor according to dependences.
3382         Move alignment handling ...
3383         (vect_find_same_alignment_drs): ... here.  New function.
3384         (vect_analyze_data_ref_dependences): Adjust.
3385         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3386         (vect_analyze_data_refs): Adjust minimal vectorization factor
3387         according to data references.
3388         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3389         dependences before determining the vectorization factor.
3390         Analyze alignment after determining the vectorization factor.
3391         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3392         dependences before alignment.
3393         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3394         Adjust prototype.
3395         (vect_analyze_data_refs): Likewise.
3396         (MAX_VECTORIZATION_FACTOR): New define.
3397
3398 2010-04-13  Duncan Sands  <baldrick@free.fr>
3399
3400         * except.h (lang_eh_type_covers): Remove.
3401         * except.c (lang_eh_type_covers): Likewise.
3402
3403 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3404             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3405
3406         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3407         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3408         UNITS_PER_LONG where it is ABI relevant.
3409         (s390_return_addr_rtx): Likewise.
3410         (s390_back_chain_rtx): Likewise.
3411         (s390_frame_area): Likewise.
3412         (s390_frame_info): Likewise.
3413         (s390_initial_elimination_offset): Likewise.
3414         (save_gprs): Likewise.
3415         (s390_emit_prologue): Likewise.
3416         (s390_emit_epilogue): Likewise.
3417         (s390_function_arg_advance): Likewise.
3418         (s390_function_arg): Likewise.
3419         (s390_va_start): Likewise.
3420         (s390_gimplify_va_arg): Likewise.
3421         (s390_function_profiler): Likewise.
3422         (s390_optimize_prologue): Likewise.
3423         (s390_rtx_costs): Likewise.
3424         (s390_secondary_reload): Likewise.
3425         (s390_promote_function_mode): Likewise.
3426         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3427         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3428         registers available.
3429         (s390_unwind_word_mode): New function.
3430         (s390_function_value): Split 64 bit values into register pair if
3431         used as return value.
3432         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3433         function call parameters.  Handle parallels.
3434         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3435         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3436         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3437         (s390_expand_setmem): Remove unused variable src_addr.
3438         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3439         deal with 64 bit registers.
3440         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3441         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3442         (UNITS_PER_LONG): New macro.
3443         * libjava/include/s390-signal.h: Define extended ucontext
3444         structure containing the upper halfs of the 64 bit registers.
3445
3446 2010-04-13  Simon Baldwin  <simonb@google.com>
3447
3448         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3449
3450 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3451
3452         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3453         rvalue on the RHS if the LHS is of a non-renamable type.
3454         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3455
3456 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3457
3458         * gcc.c (cc1_options): Handle -iplugindir before processing
3459         the cc1 spec. Only add -iplugindir once.
3460         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3461         found.
3462         * common.opt (iplugindir): Remove `Separate' property, initialize.
3463         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3464         option.
3465         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3466         (distclean): Remove plugin dir.
3467         * doc/invoke.texi: Document -iplugindir.
3468
3469 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3470
3471         * doc/plugins.texi (Loading Plugins): Document short
3472         -fplugin=foo option.
3473         (Plugin API): Mention default_plugin_dir_name function.
3474
3475         * gcc.c (find_file_spec_function): Add new declaration.
3476         (static_spec_func): Use it for "find-file".
3477         (find_file_spec_function): Add new function.
3478         (cc1_options): Add -iplugindir option if -fplugin* options found.
3479
3480         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3481
3482         * plugin.c (add_new_plugin): Updated comment, and handle short
3483         plugin name.
3484         (default_plugin_dir_name): Added new function.
3485
3486         * common.opt (iplugindir): New option to set the plugin directory.
3487
3488 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3489
3490         * config/i386/i386.md (any_rotate): New code iterator.
3491         (rotate_insn): New code attribute.
3492         (rotate): Ditto.
3493         (SWIM124): New mode iterator.
3494         (<rotate_insn>ti3): New expander.
3495         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3496         any_rotate code iterator.
3497         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3498         using any_rotate code iterator and SWIM124 mode iterator.
3499         (ix86_rotlti3): New insn_and_split pattern.
3500         (ix86_rotrti3): Ditto.
3501         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3502         ix86_rotl{di,ti}3 patterns.
3503         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3504         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3505         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3506         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3507         code iterator and SWI mode iterator.
3508         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3509         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3510         code iterator.
3511         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3512         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3513         (bswap rotatert splitter): Add splitter.
3514         (bswap splitter): Macroize splitter using any_rotate code iterator.
3515         Add insn predicate to split only for TARGET_USE_XCHGB or when
3516         optimizing function for size.
3517
3518 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3519
3520         * config/pa/pa.c (emit_move_sequence): Remove use of
3521         deleted variable flag_argument_noalias.
3522
3523 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3524
3525         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3526         configurations.
3527         Add to unsupported targets list.
3528         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3529         sparc*-sun-solaris2.[567]* from target lists.
3530         * configure: Regenerate.
3531         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3532         removal.
3533         Remove Solaris 7 patch references.
3534         (Specific, sparc-sun-solaris2.7): Removed.
3535         (sparc-sun-solaris2*): Update Solaris 7 example.
3536         (sparc64-*-solaris2*): Likewise.
3537
3538 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3539
3540         * config.build (alpha*-dec-osf4*): Remove.
3541         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3542         of obsolete configurations.
3543         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3544         support.
3545         * config/alpha/t-osf4: Renamed to ...
3546         * config/alpha/t-osf5: ... this.
3547         * config/alpha/osf.h: Renamed to ...
3548         * config/alpha/osf5.h: ... this.
3549         Merged old osf5.h contents.
3550         Update comments.
3551         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3552         (EXTRA_SPECS): Removed.
3553         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3554         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3555         Document that.
3556
3557 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3558
3559         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3560
3561 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3562
3563         PR/43702
3564         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3565         __thiscall convention.
3566
3567 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3568
3569         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3570         orig_base.
3571         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3572
3573 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3574
3575         * function.c (assign_parms_initialize_all): Add unused attribute
3576         to fntype.
3577
3578 2010-04-12  Richard Guenther  <rguenther@suse.de>
3579
3580         * gsstruct.def (GSS_CALL): New.
3581         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3582         * gimple.h: Include tree-ssa-alias.h.
3583         (struct gimple_statement_call): New.
3584         (union gimple_statement_struct_d): Add gimple_call member.
3585         (gimple_call_reset_alias_info): Declare.
3586         (gimple_call_use_set): New function.
3587         (gimple_call_clobber_set): Likewise.
3588         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3589         * gimple.c (gimple_call_reset_alias_info): New function.
3590         (gimple_build_call_1): Call it.
3591         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3592         * tree-inline.c (remap_gimple_stmt): Likewise.
3593         (expand_call_inline): Remove callused handling.
3594         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3595         * tree-dfa.c (dump_variable): Likewise.
3596         * tree-parloops.c (parallelize_loops): Likewise.
3597         * tree-ssa.c (init_tree_ssa): Likewise.
3598         (delete_tree_ssa): Likewise.
3599         * tree-flow-inline.h (is_call_used): Remove.
3600         * tree-flow.h (struct gimple_df): Remove callused member.
3601         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3602         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3603         (ref_maybe_used_by_call_p_1): Simplify.
3604         (call_may_clobber_ref_p_1): Likewise.
3605         * tree-ssa-structalias.c (compute_points_to_sets): Set
3606         the call stmt used and clobbered sets.
3607         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3608         (find_tail_calls): Verify the tail call.
3609
3610 2010-04-12  Richard Guenther  <rguenther@suse.de>
3611
3612         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3613         single-iteration always-inline inlining.
3614         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3615         (cgraph_decide_inlining): Do not handle always-inline specially.
3616         (try_inline): Remove always-inline cycle detection special case.
3617         Do not recurse on always-inlines.
3618         (cgraph_early_inlining): Do not iterate if not optimizing.
3619         (cgraph_gate_early_inlining): remove.
3620         (pass_early_inline): Run unconditionally.
3621         (gate_cgraph_decide_inlining): New function.
3622         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3623         not inlining or optimizing.
3624         (cgraph_decide_inlining_of_small_functions): Also consider
3625         always-inline functions.
3626         (cgraph_default_inline_p): Return true for nodes which should
3627         disregard inline limits.
3628         (estimate_function_body_sizes): Assume zero size and time for
3629         nodes which are marked as disregarding inline limits.
3630         (cgraph_decide_recursive_inlining): Do not perform recursive
3631         inlining on always-inline nodes.
3632
3633 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR bootstrap/43699
3636         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3637         for exprs satisfying handled_component_p.
3638
3639 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3640
3641         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3642         non-constant aggregate elements.
3643
3644         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3645         is a real initialization.
3646
3647 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3648
3649         PR c/36774
3650         * c-decl.c (start_function): Move forward check for nested function.
3651
3652 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3653
3654         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3655         * config/sh/sh.c: Include reload.h.
3656         (sh_legitimize_reload_address): New.
3657         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3658         sh_legitimize_reload_address.
3659
3660 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3661
3662         * config/sh/sh.md (*movqi_pop): New insn pattern.
3663         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3664
3665 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3666
3667         * config/i386/i386.md (any_shiftrt): New code iterator.
3668         (shiftrt_insn): New code attribute.
3669         (shiftrt): Ditto.
3670         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3671         using any_shiftrt code iterator.
3672         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3673         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3674         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3675         pattern from corresponding peephole2 patterns.
3676         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3677         using any_shiftrt code iterator.
3678         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3679         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3680         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3681         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3682         *{ashr,lshr}<mode>3_cmp_zext.
3683         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3684
3685 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3686
3687         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3688         scratch register.
3689         (*lshr<mode>3_cconly): Ditto.
3690
3691 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3692
3693         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3694         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3695         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3696         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3697         DWI mode iterator.
3698         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3699         from corresponding peephole2 patterns.
3700         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3701         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3702         and *lshrdi3_1_rex64 using SWI mode iterator.
3703         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3704         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3705         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3706         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3707         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3708         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3709         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3710         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3711         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3712         SWI mode iterator.
3713
3714 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3715
3716         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3717         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3718         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3719         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3720         DWI mode iterator.
3721         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3722         from corresponding peephole2 patterns.
3723         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3724         (ashrsi3_cvt): Rename from ashrsi3_31.
3725         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3726         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3727         and x86_64_shift_adj_3 using SWI48 mode iterator.
3728         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3729         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3730         and *ashrdi3_1_rex64 using SWI mode iterator.
3731         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3732         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3733         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3734         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3735         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3736         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3737         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3738         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3739         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3740         SWI mode iterator.
3741         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3742         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3743         x86_shift<mode>_adj_3 expanders.
3744
3745 2010-04-10  Wei Guozhi  <carrot@google.com>
3746
3747         PR target/42601
3748         * config/arm/arm.c (arm_pic_static_addr): New function.
3749         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3750         a static symbol.
3751         (arm_output_addr_const_extra): Output expression for new pattern.
3752         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3753
3754 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3755
3756         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3757         not enabled.
3758
3759         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3760         * web.c: Include "insn-config.h" and "recog.h".
3761         (union_match_dups): New function.
3762         (web_main): Call it.
3763         (union_defs): Don't try to recognize match_dups.
3764
3765         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3766         if doing so would replace the entire pattern.
3767
3768 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3769
3770         PR target/43707
3771         PR target/43709
3772         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3773         and splitter pattern.  Change splitter operand 1 predicate to
3774         nonmemory_operand.
3775
3776 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3777
3778         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3779         lattices are addresses of CONST_DECLs with the same initial value.
3780         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3781         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3782
3783 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3784             Bernd Schmidt  <bernds@codesourcery.com>
3785
3786         * loop-invariant.c (replace_uses): New static function.
3787         (move_invariant_reg): Use it to ensure we can replace the uses.
3788
3789 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3790
3791         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3792         function template.
3793         (picochip_override_options): Enable section anchors only above -O1.
3794         (picochip_reorg): Fixed a couple of build warnings.
3795
3796 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3797
3798         * configure.ac (plugin -rdynamic test): Log result.
3799         * configure: Regenerate.
3800         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3801         (RDYNAMIC_SPEC): Define.
3802         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3803
3804 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3805
3806         * configure.ac: Determine Sun ld version numbers.
3807         (comdat_group): Restrict GNU ld version checks to gld.
3808         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3809         (enable_comdat): Support --enable-comdat.
3810         * configure: Regenerate.
3811         * doc/install.texi (Configuration): Document --enable-comdat.
3812
3813 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3814
3815         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3816         * config/sol2-gld.h: ... here.
3817         * config.gcc (sparc*-*-solaris2*): Reflect this.
3818         (i[34567]86-*-solaris2*): Use it.
3819
3820 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3821
3822         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3823         setup_clocks_p.
3824         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3825
3826 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3827
3828         PR 42965
3829         * diagnostic.c (diagnostic_initialize): Initialize
3830         some_warnings_are_errors.
3831         (diagnostic_finish): New.
3832         (diagnostic_action_after_output): Call it before exiting.
3833         (diagnostic_report_diagnostic): Do not print message here. Set
3834         some_warnings_are_errors.
3835         * diagnostic.h (diagnostic_context): Delete
3836         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3837         (diagnostic_finish): Declare.
3838         * toplev.c (toplev_main): Call it before exit.
3839
3840 2010-04-09  Jason Merrill  <jason@redhat.com>
3841
3842         PR c++/42623
3843         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3844         for incomplete type.
3845
3846         PR c++/41788
3847         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3848         based on a warning flag.
3849
3850 2010-04-09  Richard Guenther  <rguenther@suse.de>
3851
3852         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3853
3854 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3855
3856         PR bootstrap/43684
3857         * varasm.c (default_assemble_visibility): Wrap vars that are
3858         set, but unused, by targets without GAS.
3859         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3860         Remove set, but unused, vars.
3861         (rs6000_legitimize_tls_address): Likewise.
3862         (altivec_expand_dst_builtin): Likewise.
3863         * config/darwin.c (machopic_classify_symbol): Likewise.
3864         (machopic_indirection_name): Likewise.
3865
3866 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3867
3868         * config/i386/i386.md (DWI): New mode iterator.
3869         (S): New mode attribute.
3870         (shift_operand): Ditto.
3871         (shift_immediate_operand): Ditto.
3872         (ashl_input_operand): Ditto.
3873         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3874         using SDWIM mode iterator.
3875         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3876         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3877         DWI mode iterator.
3878         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3879         from corresponding peephole2 patterns.
3880         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3881         and x86_64_shift_adj_1 using SWI48 mode iterator.
3882         (x86_shift<mode>_adj_2): Ditto.
3883         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3884         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3885         using SWI48 mode iterator.
3886         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3887         *ashldi3_cmp_rex64 using SWI mode iterator.
3888         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3889         *ashldi3_cconly_rex64 using SWI mode iterator.
3890         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3891         x86_shift<mode>_adj_{1,2}.
3892         (ix86_split_ashr): Ditto.
3893         (ix86_split_lshr): Ditto.
3894
3895 2010-04-09  Richard Guenther  <rguenther@suse.de>
3896
3897         * target.h (builtin_conversion): Pass in input and output types.
3898         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3899         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3900         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3901         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3902
3903         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3904         Handle AVX modes.
3905         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3906
3907 2010-04-09  Richard Guenther  <rguenther@suse.de>
3908
3909         PR target/43152
3910         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3911
3912 2010-04-09  Richard Guenther  <rguenther@suse.de>
3913
3914         * tree-vectorizer.h (struct _stmt_vec_info): Document
3915         that vectype is the type of the LHS.
3916         (supportable_widening_operation, supportable_narrowing_operation):
3917         Get both input and output vector types as arguments.
3918         (vect_is_simple_use_1): Declare.
3919         (get_same_sized_vectype): Likewise.
3920         * tree-vect-loop.c (vect_determine_vectorization_factor):
3921         Set STMT_VINFO_VECTYPE to the vector type of the def.
3922         (vectorizable_reduction): Adjust.
3923         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3924         Adjust.  Specify the output vector type.
3925         (vect_pattern_recog_1): Adjust.
3926         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3927         (vectorizable_call): Adjust.
3928         (vectorizable_conversion): Likewise.
3929         (vectorizable_operation): Likewise.
3930         (vectorizable_type_demotion): Likewise.
3931         (vectorizable_type_promotion): Likewise.
3932         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3933         the def.
3934         (vect_is_simple_use_1): New function.
3935         (supportable_widening_operation): Get both input and output
3936         vector types.
3937         (supportable_narrowing_operation): Likewise.
3938         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3939
3940 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3941
3942         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3943         __thiscall and _thiscall as predefined macros.
3944         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3945         thiscall attribute handling.
3946         (ix86_comp_type_attributes): Likewise.
3947         (ix86_function_regparm): Likewise.
3948         (ix86_return_pops_args): Likewise.
3949         (init_cumulative_args): Likewise.
3950         (find_drap_reg): Likewise.
3951         (ix86_static_chain): Likewise.
3952         (x86_this_parameter): Likewise.
3953         (x86_output_mi_thunk): Likewise.
3954         (ix86_attribute_table): Add description for thiscall attribute.
3955         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3956         * doc/extend.texi: Add documentation for thiscall.
3957
3958 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3959
3960         PR c++/28584
3961         * c.opt (Wint-to-pointer-cast): Available in C++.
3962         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3963
3964 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3965
3966         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3967         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3968         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3969         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3970         function type instead.  Reorder and simplify checks.
3971
3972         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3973
3974 2010-04-08  Jing Yu  <jingyu@google.com>
3975             Zdenek Dvorak  <ook@ucw.cz>
3976
3977         PR tree-optimization/42720
3978         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3979         loop unswitch conditions here from ...
3980         (tree_unswitch_single_loop): ... here.
3981
3982 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3983
3984         * tree-if-conv.c: Fix comments and simplify logic.
3985
3986 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3987
3988         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3989         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3990         (main_tree_if_conversion): Update call to tree_if_conversion.
3991
3992 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3993
3994         PR 42485
3995         * doc/invoke.texi (-b,-V): Delete.
3996         * doc/tm.texi: Do not mention -b.
3997         * gcc.c (display_help): Delete -b and -V.
3998         (process_command): Delete -b and -V.
3999         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4000
4001 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
4002             Wolfgang Gellerich  <gellerich@de.ibm.com>
4003
4004         Implement target hook for loop unrolling
4005         * target.h (loop_unroll_adjust): Add a new target hook function.
4006         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4007         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4008         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4009         (s390_loop_unroll_adjust): Implement the new