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