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* implicit-zee.c: New file.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
2
3         * implicit-zee.c: New file.
4         * tree-pass.h (pass_implicit_zee): Declare.
5         * passes.c (init_optimization_passes): Add zee pass.
6         * common.opt (fzee): New flag.
7         * timevar.def (TV_ZEE): Define.
8         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
9         and beyond.
10         * Makefile.in (implicit-zee.o): Add new build file.
11
12 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
13             Nathan Froyd  <froydnj@codesourcery.com>
14
15         * c-common.c (sync_resolve_params): Remove write-only variable.
16
17 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
18
19         * target.h (struct gcc_target): Add mode_dependent_address_p field.
20         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
21         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
22         * targhooks.c (default_mode_dependent_address_p): New function.
23         * targhooks.h (default_mode_dependent_address_p): Declare function.
24         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
25         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
26         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
27         target hook. Change return type to bool.
28         * recog.h: (mode_dependent_address_p): Change return type to bool.
29
30 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
31             Nathan Froyd  <froydnj@codesourcery.com>
32
33         * tree-mudflap.c (build_function_type_0, build_function_type_1,
34         build_function_type_2, build_function_type_3): Remove.
35         (mudflap_init): Use build_function_type_list.
36
37 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
38             Nathan Froyd  <froydnj@codesourcery.com>
39
40         * coverage.c (build_fn_info_value): Call build_constructor instead of
41         build_constructor_from_list.
42         (build_ctr_info_value): Likewise.
43         (build_gcov_info): Likewise.
44
45 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
46
47         * tree.c (build_constructor): Compute TREE_CONSTANT for the
48         resultant constructor.
49         (build_constructor_single): Don't set TREE_CONSTANT.
50         (build_constructor_from_list): Don't compute TREE_CONSTANT.
51
52 2010-05-12  Jan Hubicka  <jh@suse.cz>
53
54         * cgraph.h (struct varpool_node): Add aux.
55         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
56         * varpool.c (varpool_remove_node): Do not remove initializer.
57         (varpool_reset_queue): Export.
58         (varpool_finalize_decl): Volatile vars are forced to be output.
59         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
60         replaced decl.
61         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
62         process_references, varpool_can_remove_if_no_refs): New functions.
63         (cgraph_remove_unreachable_nodes): Handle variables too.
64
65 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
66
67         PR target/44088
68         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
69
70 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
71
72         PR middle-end/44085
73         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
74         change value of ORT_TASK.
75         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
76         (omp_notice_threadprivate_variable): New function.
77         (omp_notice_variable): Call it for threadprivate variables.
78         If enclosing ctx is a task, print enclosing task rather than
79         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
80         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
81         if task has untied clause.
82
83         PR debug/42278
84         * dwarf2out.c (base_type_die): Don't add name attribute here.
85         (modified_type_die): Instead of sizetype use
86         its underlying original type.  If a DW_TAG_base_type doesn't
87         have name added, add __unknown__.
88         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
89         always call force_type_die instead.
90
91 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
92
93         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
94         for __stack_chk_guard.
95
96 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
97
98         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
99         don't call start_source_file debug hook here...
100         (finish_options): ... but here, after outputting predefined and
101         command line defines and undefs.
102
103         PR middle-end/44071
104         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
105         no fallthru edge.
106         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
107         optimizing away empty bb with no successors, move over its
108         footer chain to fallthru predecessor.
109         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
110         (rtl_split_edge): For asm goto call patch_jump_insn even if
111         splitting fallthru edge.
112
113         PR c++/44059
114         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
115         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
116         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
117         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
118         on DW.ref.* decls.
119
120         PR c++/44062
121         * c-parser.c (c_parser_expression): Mark LHS of a comma
122         expression as read if it is a decl, handled component or
123         COMPOUND_EXPR with that on the RHS.
124         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
125         if it is a decl or handled component.
126
127 2010-05-11  Jan Hubicka  <jh@suse.cz>
128
129         * lto-symtab.c (lto_symtab_free): New function.
130         * lto-streamer.h (lto_symtab_free): Declare.
131
132 2010-05-11  Jan Hubicka  <jh@suse.cz>
133
134         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
135         that if function is needed it is reachable.
136         (lto_output_node): See if it the function is reachable or referenced.
137         (output_cgraph): Update call of lto_output_node.
138         * lto-streamer.h (reachable_from_other_partition_p): Declare.
139
140 2010-05-11  Jan Hubicka  <jh@suse.cz>
141
142         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
143         Mark as used.
144
145 2010-05-11  Jan Hubicka  <jh@suse.cz>
146
147         PR tree-optimize/44063
148         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
149         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
150         limits.
151         (estimate_function_body_sizes): Compute sizes even when disregarding.
152
153 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
154
155         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
156
157 2010-05-11  Jan Hubicka  <jh@suse.cz>
158
159         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
160         into every boundary.
161
162 2010-05-11  Jan Hubicka  <jh@suse.cz>
163
164         * matrix-reorg.c (matrix_reorg): Rebuild edges.
165
166 2010-05-11  Jan Hubicka  <jh@suse.cz>
167
168         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
169         lto_streamer_cache_delete): Put nodes into heap.
170         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
171         heap.
172
173 2010-05-11  Jan Hubicka  <jh@suse.cz>
174
175         * cgraphbuild.c (cgraph_rebuild_references): New.
176         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
177         out extern inlines.
178         * cgraph.h (cgraph_rebuild_references): Declare.
179         * tree-inline.c (tree_function_versioning): Use it.
180         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
181
182 2010-05-11  Jan Hubicka  <jh@suse.cz>
183
184         * cgraph.c: Include ipa-utils.h
185         (cgraph_create_virtual_clone): Update references.
186         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
187
188 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
189
190         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
191         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
192         cache size.
193
194 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
195
196         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
197
198 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
199
200         * gcc.c (execute): For -### don't quote arguments that
201         contain just alphanumerics and _/-. characters.
202         * doc/invoke.texi: Document that change for -###.
203
204         PR debug/44023
205         * df-problems.c (struct dead_debug): Add to_rescan field.
206         (dead_debug_init): Clear to_rescan field.
207         (dead_debug_finish): Rescan all debug insns in to_rescan
208         bitmap and free the bitmap.
209         (dead_debug_insert_before): Instead of rescanning debug insns
210         immediately queue their rescanning until dead_debug_finish.
211         (df_note_bb_compute): After dead_debug_add do continue instead
212         of break.
213
214 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
215
216         PR debug/44028
217         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
218         clear also INSN_REG_USE_LIST.
219
220 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
221
222         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
223
224 2010-05-10  Jan Hubicka  <jh@suse.cz>
225
226         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
227
228 2010-05-10  Jan Hubicka  <jh@suse.cz>
229
230         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
231         encoders.
232         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
233         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
234         (lto_streamer_cache_create): Init alloc pool.
235         (lto_streamer_cache_delete): Free alloc pool.
236         * lto-streamer.h: Include alloc pool.
237         (lto_streamer_cache_d): Use alloc pool.
238         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
239
240 2010-05-10  Jan Hubicka  <jh@suse.cz>
241
242         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
243         * cgraphbuild.c: Include except.h
244         (record_type_list, record_eh_tables): New function.
245         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
246
247 2010-05-10  Jan Hubicka  <jh@suse.cz>
248
249         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
250         __frame_dummy_init_array_entry, force_to_data): Attribute as used
251         rather than unused.
252
253 2010-05-10  Michael Matz  <matz@suse.de>
254
255         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
256         (can_reassociate_p): Use FLOAT_TYPE_P.
257         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
258         (vect_force_simple_reduction): ... this.
259         * tree-parloops.c (gather_scalar_reductions): Use
260         vect_force_simple_reduction.
261         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
262         vect_is_simple_reduction, add modify argument, if true rewrite
263         "a-b" into "a+(-b)".
264         (vect_is_simple_reduction, vect_force_simple_reduction): New
265         functions.
266         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
267
268 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
269             Vladimir Makarov  <vmakarov@redhat.com>
270
271         PR rtl-optimization/44012
272         * ira-build.c (remove_unnecessary_allocnos): Nullify
273         regno_allocno_map of the removed allocno.
274
275 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
276
277         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
278         to /dev/null.
279         * configure: Regenerate.
280
281 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
282
283         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
284         unused.
285         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
286         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
287         support in Sun ld.
288         * configure: Regenerate.
289
290 2010-05-10  Richard Guenther  <rguenther@suse.de>
291
292         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
293         marked if the entry identifier is marked.
294
295 2010-05-10  Richard Guenther  <rguenther@suse.de>
296
297         * c-common.c (struct c_common_attributes): Add fnspec attribute.
298         (handle_fnspec_attribute): New function.
299         * gimple.h (gimple_call_return_flags): Declare.
300         (gimple_call_arg_flags): Likewise.
301         * gimple.c (gimple_call_arg_flags): New function.
302         (gimple_call_return_flags): Likewise.
303         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
304         New argument flags.
305         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
306         return value flags.
307         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
308         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
309         main work to ...
310         (make_heapvar_for): ... this new function.
311         (handle_rhs_call): Handle fnspec attribute argument specifiers.
312         (handle_lhs_call): Likewise.
313         (find_func_aliases): Adjust.
314
315 2010-05-10  Richard Guenther  <rguenther@suse.de>
316
317         PR tree-optimization/44050
318         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
319
320 2010-05-10  Wei Guozhi  <carrot@google.com>
321
322         PR target/42879
323         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
324
325 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
326
327         PR c/10676
328         * c-typeck.c (lookup_field): Take a type directly.  Update
329         recursive calls.
330         (build_component_ref): Update call to lookup_field.
331         (set_init_label): Use lookup_field to find initialized field.
332         Handle returned list of fields like a sequence of designators.
333
334 2010-05-09  Richard Guenther  <rguenther@suse.de>
335
336         PR middle-end/44024
337         * fold-const.c (tree_single_nonzero_warnv_p): Properly
338         handle &FUNCTION_DECL.
339
340 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
341
342         PR c/4784
343         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
344         structures and unions recursively.
345         (detect_field_duplicates): Move duplicate detection with a hash to
346         detect_field_duplicates_hash.  Always use a hash if anonymous
347         structures or unions are present.
348         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
349         give errors.
350
351 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
352
353         PR target/44046
354         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
355         detect Atom, Core 2 and Core i7.
356
357 2010-05-09  Richard Guenther  <rguenther@suse.de>
358
359         * gcc.c (store_arg): Handle temporary file deletion for
360         joined arguments.
361
362 2010-05-09  Richard Guenther  <rguenther@suse.de>
363
364         PR middle-end/44043
365         * ipa-inline.c (estimate_function_body_sizes): Return after
366         disregarding inline limits.
367
368 2010-05-09  Richard Guenther  <rguenther@suse.de>
369
370         * gcc.c (store_arg): Revert last change.
371
372 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
373
374         PR middle-end/28685
375         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
376         (optimize_ops_list): Call it.
377
378 2010-05-08  Richard Guenther  <rguenther@suse.de>
379
380         PR tree-optimization/44030
381         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
382         NECESSARY flag if we propagate from a inserted expression.
383
384 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
385
386         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
387         domain types as equal if they are both PLACEHOLDER_EXPRs.
388
389 2010-05-08  Richard Guenther  <rguenther@suse.de>
390
391         * lto-wrapper.c (run_gcc): Remove linker output from
392         command line for LTRANS invocation.
393
394 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
395
396         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
397         lto-macho as lto_binary_reader.
398         * target.h (struct gcc_target): New hooks lto_start and lto_end.
399         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
400         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
401         in lto_start and lto_end calls.
402         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
403         magic numbers.
404         (scan_prog_file): Update is_elf_or_coff call.
405         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
406
407         * collect2.c (main): Fix enum comparison.
408
409         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
410         Add prototypes.
411         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
412         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
413         and TARGET_ASM_LTO_END.
414         * darwin.c: Include obstack.h and lto-streamer.h.
415         (lto_section_names_offset, lto_section_names_obstack,
416         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
417         global variables.
418         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
419         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
420         to a temporary file.
421         (darwin_asm_lto_end): New function.  Restore asm_out_file.
422         (darwin_asm_named_section): For LTO sections, replace the name with
423         the offset of the section name in a string table, and build this
424         table.
425         (darwin_file_start): Initialize global vars for LTO support.
426         (darwin_file_end): If output to asm_out_file was redirected, append it
427         to the proper asm_out_file here.  Add the section names section.
428
429 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
430
431         * c-pragma.c (pending_weak_d, pending_weak): New.
432         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
433         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
434         handle_pragma_weak): Update the uses of pending_weaks.
435
436 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
437
438         PR documentation/44016
439         * doc/standards.texi (Standards): Link to unversioned
440         cxx0x_status.html page.
441
442 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
443
444         PR target/43708
445         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
446         in addition to TREE_USED, to avoid "set but unused" warnings.
447
448 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
449
450         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
451         (is_loop_prefetching_profitable): Do not insert prefetches
452         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
453         times the prefetch ahead distance.
454
455 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
456
457         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
458         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
459         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
460         the unroll_factor.
461
462 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
463
464         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
465         a diagnostic info when the insn-to-mem ratio is too small.
466
467 2010-05-07  Richard Guenther <rguenther@suse.de>
468
469         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
470         the linker plugin.
471         (store_arg): Queue temp_filename for deletion instead of
472         the whole argument.
473
474 2010-05-07  Richard Guenther  <rguenther@suse.de>
475
476         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
477         (run_gcc): Handle LTRANS phase invocation.
478         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
479
480 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
481
482         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
483         this is also meaningful on PARM_DECLs and RESULT_DECLs.
484
485 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
486
487         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
488
489 2010-05-07  Richard Guenther  <rguenther@suse.de>
490
491         PR tree-optimization/44020
492         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
493         code when PRE is not yet initialized.
494
495 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
496
497         * config/mips/dbxmdebug.h: Remove.
498         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
499
500 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
501
502         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
503         with null pointer and also warn about ordered comparison of zero with
504         pointer if -Wextra.
505
506 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
507
508         * graphite-blocking.c
509         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
510         * graphite-clast-to-gimple.c
511         (clast_to_gcc_expression): Same.
512         (precision_for_value): Same.
513         (precision_for_interval): Same.
514         (gcc_type_for_interval): Same.
515         (graphite_create_new_guard): Same.
516         (compute_bounds_for_level): Same.
517         (graphite_create_new_loop_guard): Same.
518         * graphite-interchange.c
519         (build_linearized_memory_access): Same.
520         (pdr_stride_in_loop): Same.
521         (memory_strides_in_loop_1): Same.
522         (memory_strides_in_loop): Same.
523         (extend_scattering): Same.
524         (psct_scattering_dim_for_loop_depth): Same.
525         (pbb_number_of_iterations): Same.
526         * graphite-poly.h
527         (debug_iteration_domains): Same.
528         * graphite-ppl.c
529         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
530         (ppl_set_inhomogeneous_gmp): Same.
531         (ppl_strip_loop): Same.
532         (ppl_lexico_compare_linear_expressions): Same.
533         (ppl_read_polyhedron_matrix): Same.
534         (ppl_max_for_le_pointset): Same.
535         * graphite-ppl.h
536         (ppl_read_polyhedron_matrix): Same.
537         (tree_int_to_gmp): Same.
538         (gmp_cst_to_tree): Same.
539         (ppl_set_inhomogeneous): Same.
540         (ppl_set_inhomogeneous_tree): Same.
541         (ppl_set_coef): Same.
542         (ppl_set_coef_tree): Same.
543         * graphite-sese-to-poly.c
544         (build_pbb_scattering_polyhedrons): Same.
545         (build_scop_scattering): Same.
546         (scan_tree_for_params_right_scev): Same.
547         (scan_tree_for_params): Same.
548         (find_params_in_bb): Same.
549         (find_scop_parameters): Same.
550         (add_upper_bounds_from_estimated_nit): Same.
551         (build_loop_iteration_domains): Same.
552         (add_condition_to_domain): Same.
553         (pdr_add_memory_accesses): Same.
554
555 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
556
557         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
558         CLooG's value_* macros to their respective mpz_* counterparts.
559         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
560         (graphite_create_new_loop_guard): Same.
561         * graphite-interchange.c (build_linearized_memory_access): Same.
562         (pdr_stride_in_loop): Same.
563         (memory_strides_in_loop_1): Same.
564         (1st_interchange_profitable_p): Same.
565         * graphite-poly.c (extend_scattering): Same.
566         (psct_scattering_dim_for_loop_depth): Same.
567         (pbb_number_of_iterations): Same.
568         (pbb_number_of_iterations_at_time): Same.
569         * graphite-poly.h (new_1st_loop): Same.
570         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
571         (oppose_constraint): Same.
572         (insert_constraint_into_matrix): Same.
573         (ppl_set_inhomogeneous_gmp): Same.
574         (ppl_set_coef_gmp): Same.
575         (ppl_strip_loop): Same.
576         (ppl_lexico_compare_linear_expressions): Same.
577         (ppl_max_for_le_pointset): Same.
578         (ppl_min_for_le_pointset): Same.
579         (ppl_build_realtion): Same.
580         * graphite-ppl.h (gmp_cst_to_tree): Same.
581         (ppl_set_inhomogeneous): Same.
582         (ppl_set_inhomogeneous_tree): Same.
583         (ppl_set_coef): Same.
584         (ppl_set_coef_tree): Same.
585         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
586         (build_scop_scattering): Same.
587         (add_value_to_dim): Same.
588         (scan_tree_for_params_right_scev): Same.
589         (scan_tree_for_params_int): 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         (create_linear_expr_from_tree): Same.
596         (add_condition_to_domain): Same.
597         (pdr_add_memory_accesses): Same.
598
599 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
600             Jason Merrill  <jason@redhat.com>
601
602         * c-common.c (c_common_reswords): Add nullptr.
603         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
604         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
605         (gen_type_die_with_usage): Likewise.
606         * dbxout.c (dbxout_type): Likewise.
607         * sdbout.c (plain_type_1): Likewise.
608
609 2010-05-06  Jason Merrill  <jason@redhat.com>
610
611         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
612         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
613         ret appropriately.
614         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
615
616         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
617         stripping WITH_SIZE_EXPR.
618         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
619         change.
620
621 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
622
623         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
624         list of obsolete configurations.
625         Disabled check for obsolete configurations.
626         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
627         Removed support for previous versions.
628         * config/mips/iris.h: Removed.
629         * config/mips/iris5.h: Removed.
630         * config/mips/iris6.h: Merged old iris.h contents.
631         (TARGET_IRIX): Removed.
632         (DRIVER_SELF_SPECS): Removed mabi=32.
633         (IDENT_ASM_OP): Removed undef.
634         (STARTFILE_SPEC): Removed mabi=32.
635         (ENDFILE_SPEC): Likewise.
636         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
637         (MACHINE_TYPE): Update for IRIX 6.5.
638         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
639         TARGET_IRIX by TARGET_IRIX6.
640         (mips_file_start): Likewise.
641         (mips_output_external): Remove IRIX 5/6 O32 support.
642         (mips_output_function_prologue): Likewise.
643         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
644         TARGET_IRIX6.
645         (TARGET_CPU_CPP_BUILTINS): Likewise.
646         (TARGET_IRIX): Removed.
647         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
648         (MULTILIB_DIRNAMES): Removed 32.
649         (MULTILIB_OSDIRNAMES): Removed ../lib.
650         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
651         (Specific, mips-sgi-irix5): Document removal.
652         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
653         Remove references to older IRIX 6 releases and the O32 ABI.
654
655 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
656
657         PR bootstrap/43994
658         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
659         instead of DF_REF_REAL_REG.
660
661 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
662
663         PR target/43888
664         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
665         handling to still return true for x64 targets.
666
667 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
668
669         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
670
671 2010-05-06  Jan Hubicka  <jh@suse.cz>
672
673         PR tree-optimization/43791
674         * ipa-inline.c (update_caller_keys): Remove bogus
675         disregard_inline_limits check.
676
677 2010-05-06  Michael Matz  <matz@suse.de>
678
679         PR tree-optimization/43984
680         * tree-ssa-pre.c (inserted_phi_names): Remove.
681         (inserted_exprs): Change to bitmap.
682         (create_expression_by_pieces): Set bits, don't append to vector.
683         (insert_into_preds_of_block): Don't handle inserted_phi_names.
684         (eliminate): Don't look at inserted_phi_names, remove deleted
685         insns from inserted_exprs.
686         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
687         (init_pre, fini_pre): Allocate and free bitmaps.
688         (execute_pre): Insert insns on edges before elimination.
689
690 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
691
692         * tree.c (initializer_zerop): Handle STRING_CST.
693
694 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
695
696         PR 40989
697         * doc/invoke.texi (Wimplicit): Document as C only.
698         * opts.c (common_handle_option): Add argument kind.
699         (handle_option): Rename as read_cmdline_option. Factor out code to...
700         (handle_option): ... here. New.
701         (handle_options): Rename as read_cmdline_options.
702         (decode_options): Update call.
703         (set_option): Use option index instead of option pointer. Classify
704         diagnostics correctly.
705         (enable_warning_as_error): Call handle_option.
706         * opts.h (set_option): Update declaration.
707         (handle_option): Declare.
708         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
709         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
710         * c-opts.c (set_Wimplicit): Delete.
711         (c_family_lang_mask): New static constant.
712         (c_common_handle_option): Add argument kind. Use handle_option
713         instead of set_Wimplicit.
714         (c_common_post_options): warn_implicit and warn_implicit_int
715         are disabled by default.
716         * c-common.c (warn_implicit): Do not define here.
717         * c-common.h (warn_implicit): Do not declare here.
718         (c_common_handle_option): Update declaration.
719         * lto-opts.c (lto_reissue_options): Update call to set_option.
720
721 2010-05-06  Richard Guenther  <rguenther@suse.de>
722
723         PR tree-optimization/43571
724         * domwalk.c (walk_dominator_tree): Walk the dominator
725         sons in more optimal order.
726
727 2010-05-06  Richard Guenther  <rguenther@suse.de>
728
729         PR tree-optimization/43934
730         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
731         (stmt_cost): Likewise.
732         (extract_true_false_args_from_phi): New helper.
733         (determine_max_movement): For PHI nodes verify we can hoist them
734         and compute their cost.
735         (determine_invariantness_stmt): Handle PHI nodes.
736         (move_computations_stmt): Likewise.  Hoist PHI nodes in
737         if-converted form using COND_EXPRs.
738         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
739         (tree_ssa_lim): Likewise.
740         * tree-flow.h (tree_ssa_lim): Adjust prototype.
741         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
742
743 2010-05-06  Richard Guenther  <rguenther@suse.de>
744
745         PR tree-optimization/43987
746         * tree-ssa-structalias.c (could_have_pointers): For possibly
747         address-taken variables force pointers to be recorded.
748         (create_variable_info_for_1): Likewise.
749         (push_fields_onto_fieldstack): Pass in wheter all fields
750         must have pointers.
751         (find_func_aliases): Query types instead of vars whether
752         they contain pointers where appropriate.
753
754 2010-05-06  Jan Hubicka  <jh@suse.cz>
755
756         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
757         (record_reference, mark_address, mark_load, mark_store): Record
758         references.
759         (record_references_in_initializer): Update call of record_references.
760         (rebuild_cgraph_edges): Remove all references before rebuiding.
761         * cgraph.c (cgraph_create_node): Clear ref list.
762         (cgraph_remove_node): Remove references.
763         (dump_cgraph_node): Dump references.
764         (cgraph_clone_node): Clone references.
765         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
766         (struct cgraph_node, varpool_node): Add ref_lst.
767         * ipa-ref.c: New file.
768         * ipa-ref.h: New file.
769         * ipa-ref-inline.h: New file.
770         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
771         (referenced_from_other_partition_p): New function.
772         (lto_output_varpool_node): Take set arugment; call
773         referenced_from_other_partition.
774         (lto_output_ref): New.
775         (add_references): New.
776         (output_refs): New.
777         (output_cgraph): Compute boundary based on references; output refs.
778         (output_varpool): Accept cgraph_node_set argument.
779         (input_ref): New.
780         (input_refs): New.
781         (input_cgraph): Call input_refs.
782         * lto-section-in.c (lto_section_name): Add refs.
783         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
784         (ipa-ref.o): New file.
785         * varpool.c (varpool_node): Clear ipa ref list.
786         (varpool_remove_node): Remove references.
787         (dump_varpool_node): Dump references.
788         (varpool_assemble_decl): Only compile finalized ones.
789         (varpool_extra_name_alias): Initialize ref list.
790         * lto-streamer.c (lto-get_section_name): Add .refs section.
791         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
792         (referenced_from_other_partition_p): Declared.
793
794 2010-05-06  Ira Rosen  <irar@il.ibm.com>
795
796         PR tree-optimization/43901
797         * tree-vect-stmts.c (vectorizable_call): Assert that vector
798         type is not NULL if it's transformation phase, and return
799         FALSE if it's analysis.
800         (vectorizable_conversion, vectorizable_operation,
801         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
802
803 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
804
805         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
806         Delete.
807         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
808         New define.
809         * config/mips/mips-protos.h
810         (mips_small_register_classes_for_mode_p): Delete prototype.
811
812 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
813
814         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
815         * config/arm/arm.c (multiple_operation_profitable_p,
816         compute_offset_order): New static functions.
817         (load_multiple_sequence, store_multiple_sequence): Use them.
818         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
819         memory offsets, not register numbers.
820         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
821
822 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
823
824         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
825         (get_pending_sizes, put_pending_size, put_pending_sizes):
826         Update the uses of pending_sizes.
827         * c-decl.c (store_parm_decls): Likewise.
828         * c-tree.h (struct c_arg_info): Likewise.
829         * tree.h: Update the prototype for get_pending_sizes and
830         put_pending_sizes.
831
832 2010-05-05  Jason Merrill  <jason@redhat.com>
833
834         PR debug/43370
835         * c-common.c (handle_aligned_attribute): Respect
836         ATTR_FLAG_TYPE_IN_PLACE.
837
838         PR testsuite/43758
839         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
840         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
841         (TARGET_INITIALIZER): Use it.
842         * c-common.c (attribute_takes_identifier_p): Call it.
843         * c-common.h: Update prototype.
844         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
845         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
846
847 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
848
849         PR debug/43950
850         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
851         DW_ID_down_case for Fortran compilation units.
852
853 2010-05-05  Jan Hubicka  <jh@suse.cz>
854
855         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
856         handle aliases.
857
858 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
859
860         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
861         a variable-sized RESULT_DECL.
862
863 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
864
865         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
866
867 2010-05-05  Jason Merrill  <jason@redhat.com>
868
869         PR c++/43787
870         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
871         returns GS_OK.
872         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
873
874 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
875             Jakub Jelinek  <jakub@redhat.com>
876
877         PR debug/43478
878         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
879         (dead_debug_init, dead_debug_finish): New functions.
880         (dead_debug_add, dead_debug_insert_before): Likewise.
881         (df_note_bb_compute): Initialize a dead_debug object, add dead
882         debug uses to it, insert debug bind insns before death insns,
883         reset debug insns that refer to pending uses at the end.
884         * rtl.h (make_debug_expr_from_rtl): New prototype.
885         * varasm.c (make_debug_expr_from_rtl): New function.
886
887 2010-05-05  Jan Hubicka  <jh@suse.cz>
888
889         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
890         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
891         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
892         lto_varpool_encoder_deref, lto_varpool_encoder_size,
893         lto_varpool_encoder_encode_initializer_p,
894         lto_set_varpool_encoder_encode_initializer): New functions.
895         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
896         call output_varpool.
897         (input_varpool_node): Do not always set analyzed.
898         (input_cgraph_1): Return vector of cgraph nodes.
899         (input_varpool_1): Return vector of varpools.
900         (input_cgraph): Free the vectors.
901         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
902         output only initializers needed.
903         (lto_output): Only call output_cgraph.
904         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
905         * lto-section-out.c (lto_new_out_decl_state): Initialize
906         state->varpool_node_encoder.
907         * lto-streamer.h (lto_varpool_encoder_d): New.
908         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
909         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
910         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
911         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
912         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
913         Declare.
914         (output_varpool, input_varpool): Remove declarations.
915
916 2010-05-05  Jan Hubicka  <jh@suse.cz>
917
918         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
919         with body can prevail.
920
921 2010-05-05  Jan Hubicka  <jh@suse.cz>
922
923         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
924         size.
925
926 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
927
928         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
929
930         * gengtype.h (erro_at_line): Constify pos argument.
931
932         * gengtype.c: Include hashtab.h.
933         (enum gc_used): Document GC_MAYBE_POINTED_TO.
934         (error_at_line): Constify pos argument.
935         (do_typedef): Initialize p->opt field.
936         (get_file_gtfilename): Fix comment typo.
937         (struct walk_type_data): Constify line field.
938         (get_output_file_for_structure): New function.
939         (write_local_func_for_structure): Constify orig_s argument.
940         Use get_output_file_for_structure.
941         (write_func_for_structure): Use get_output_file_for_structure.
942         (INDENT): New define.
943         (dump_pair, dump_type, dump_type_list, dump_typekind)
944         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
945         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
946         functions.
947         (seen_types): New variable.
948         (main): New variable do_dump.  Process "-d" command line option.
949         Call dump_everything if dump requested.
950
951 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
952
953         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
954         in a temporary instead of invoking the macro multiple times.
955         (track_expr_p): Likewise.
956
957 2010-05-04  Neil Vachharajani <nvachhar@google.com>
958
959         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
960         per new semantics.
961         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
962         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
963         conditions for printing notes.
964         * common.opt (-Wcoverage-mismatch): Allow negative, default to
965         true, update documentation.
966         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
967
968 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
969
970         PR c/43981
971         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
972         on dimen.
973
974 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
975
976         PR target/43799
977         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
978         (*sse_prologue_save_insn1): Likewise.
979         (SSE prologue save splitter): Likewise.
980
981 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
982
983         * tree.c (free_lang_data_in_one_sizepos): New inline function.
984         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
985         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
986         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
987         all decls.  Call it on DECL_FIELD_OFFSET of fields.
988         (find_decls_types_r): Follow DECL_VALUE_EXPR.
989         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
990
991 2010-05-04  Martin Jambor  <mjambor@suse.cz>
992
993         * tree-sra.c (build_access_from_expr_1): The first parameter type
994         changed to simple tree.
995         (build_access_from_expr): Likewise, gsi parameter was eliminated.
996         (scan_assign_result): Renamed to assignment_mod_result, enum elements
997         renamed as well.
998         (build_accesses_from_assign): Removed all parameters except for a
999         simple gimple statement.  Now returns a simple bool.
1000         (scan_function): All non-analysis parts moved to separate functions
1001         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1002         parameters and updated both callers.
1003         (sra_modify_expr): Removed parameter data.
1004         (sra_modify_function_body): New function.
1005         (perform_intra_sra): Call sra_modify_function_body to modify the
1006         function body.
1007         (replace_removed_params_ssa_names): Parameter data changed into
1008         adjustments vector.
1009         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1010         changed the parameter dont_convert to convert with the opposite
1011         meaning.
1012         (sra_ipa_modify_assign): Parameter data changed into adjustments
1013         vector, return value changed to bool.
1014         (ipa_sra_modify_function_body): New function.
1015         (sra_ipa_reset_debug_stmts): Updated a comment.
1016         (modify_function): Use ipa_sra_modify_function_body to modify function
1017         body.
1018
1019 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1020
1021         PR middle-end/43671
1022         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1023         (canon_true_dependence): Likewise.
1024         (write_dependence_p): Likewise.
1025
1026 2010-05-04  Jan Hubicka  <jh@suse.cz>
1027
1028         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1029         * cgraphbuild.c: Include ipa-utils.h
1030         (record_reference_ctx): New struct.
1031         (record_reference): Simplify to work on initializers; not statements.
1032         (mark_address, mark_load, mark_store): New.
1033         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1034         walk PHI nodes too.
1035         (record_references_in_initializer): Update use of record_reference.
1036         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1037         walk PHI nodes too.
1038
1039 2010-05-04  Jan Hubicka  <jh@suse.cz>
1040
1041         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1042         node will be removed anyway.
1043         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1044         relink aliases of node into prevailing node.
1045         * varpool.c (varpool_remove_node): Remove aliases properly;
1046         when removing node, remove all its aliases too; remove DECL_INITIAL
1047         of removed node; ggc_free the varpool node.
1048
1049 2010-05-04  Richard Guenther  <rguenther@suse.de>
1050
1051         PR tree-optimization/43879
1052         * tree-ssa-structalias.c (alias_get_name): Use
1053         DECL_ASSEMBLER_NAME if available.
1054         (create_function_info_for): Return the varinfo node.
1055         (ipa_pta_execute): Associate same-body aliases and extra names
1056         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1057
1058 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1059
1060         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1061
1062 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1063
1064         PR bootstrap/43964
1065         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1066         only if HONOR_REG_ALLOC_ORDER is not defined.
1067
1068 2010-05-04  Richard Guenther  <rguenther@suse.de>
1069
1070         PR tree-optimization/43949
1071         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1072         TRUNC_MOD_EXPR.
1073
1074 2010-04-26  Jason Merrill  <jason@redhat.com>
1075
1076         * c.opt (-fstrict-enums): New.
1077         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1078
1079 2010-05-03  David Ung <davidu@mips.com>
1080             James E. Wilson  <wilson@codesourcery.com>
1081
1082         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1083         emit the trap instruction before the divide for TUNE_74K.
1084
1085 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1086
1087         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1088         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1089         based on the above, for new target hook.
1090
1091         * hooks.c (hook_bool_mode_true): New generic hook.
1092         * hooks.h (hook_bool_mode_true): Add prototype.
1093
1094         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1095         target hook.
1096         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1097         target hook, set to hook_bool_mode_false.
1098         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1099         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1100         with targetm.small_register_classes_for_mode_p.
1101         (find_reusable_reload): Likewise.
1102         (combine_reloads): Likewise.
1103         * reload1.c (reload_as_needed): Likewise.
1104         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1105         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1106         dead_or_predicable): Likewise.
1107         * regmove.c (optimize_reg_copy_1): Likewise.
1108         * calls.c (prepare_call_address): Likewise.
1109         (precompute_register_parameters): Likewise.
1110
1111         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1112         hook definition.
1113         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1114         implementation of the hook that considers all register classes
1115         small except for SH64.
1116         (sh_override_options): Use the new hook.
1117         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1118         Add prototype.
1119
1120         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1121         hook definition.
1122         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1123         implementation of the hook that considers all register classes
1124         small for THUMB1.
1125         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1126         Add prototype.
1127
1128         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1129         hook definition.
1130         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1131         implementation of the hook that considers all register classes
1132         small for MIPS16.
1133         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1134         Add prototype.
1135
1136         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1137         hook definition.
1138         * config/m32c/m32c.h: Likewise.
1139         * config/pdp11/pdp11.h: Likewise.
1140         * config/avr/avr.h: Likewise.
1141         * config/xtensa/xtensa.h: Likewise.
1142         * config/m68hc11/m68hc11.h: Likewise.
1143         * config/mn10300/mn10300.h: Likewise.
1144         * config/mcore/mcore.h: Likewise.
1145         * config/h8300/h8300.h: Likewise.
1146         * config/bfin/bfin.h: Likewise.
1147
1148         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1149         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1150
1151 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1152
1153         * double-int.h (tree_to_double_int): Remove macro.
1154         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1155         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1156         (tree_to_double_int): New function.
1157         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1158         Move ...
1159         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1160
1161 2010-05-03  Richard Guenther  <rguenther@suse.de>
1162
1163         PR tree-optimization/43971
1164         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1165         constraints in the !flag_delete_null_pointer_checks case.
1166
1167 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1168
1169         PR debug/43972
1170         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1171         result mode matches original rtl mode.
1172
1173 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1174
1175         PR target/43888
1176         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1177
1178 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1179
1180         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1181         when processing flag options.
1182
1183 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1184
1185         * gcov-iov.c (main): Change format string placeholder
1186         from %#08x to 0x%08x.
1187         * genchecksum.c (dosum): Change format string placeholder
1188         from %#02x to 0x%02x.
1189
1190 2010-05-02  Richard Guenther  <rguenther@suse.de>
1191
1192         PR tree-optimization/43879
1193         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1194
1195 2010-05-02  Bruno Haible  <bruno@clisp.org>
1196
1197         * doc/extend.texi (Function Attributes): Fix a typo.
1198
1199 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1200
1201         Revert:
1202         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1203         placeholder from 0x%x to %#x.
1204         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1205         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1206         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1207         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1208         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1209         * config/i386/i386.c (ix86_target_string): Ditto.
1210         * config/i386/i386.c (output_pic_addr_const): Ditto.
1211         (print_operand): Ditto.
1212
1213 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1214
1215         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1216         placeholder from 0x%x to %#x.
1217         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1218         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1219         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1220         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1221         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1222         * optc-gen.awk: Ditto.
1223         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1224         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1225         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1226         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1227
1228 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1229
1230         * target.h (struct calls): Add function_value_regno_p field.
1231         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1232         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1233         * targhooks.c (default_function_value_regno_p): New function.
1234         * targhooks.h (default_function_value_regno_p): Declare function.
1235         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1236         * builtins.c. (apply_result_size): (Ditto.).
1237         * combine.c. (likely_spilled_retval_p): (Ditto.).
1238         * mode-switching.c. Include 'target.h'.
1239         (create_pre_exit): Use function_value_regno_p hook.
1240         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1241         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1242         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1243
1244         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1245         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1246         (ix86_function_value_regno_p): Declare as static, change argument
1247         type to const unsigned int.
1248         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1249
1250 2010-05-01  Richard Guenther  <rguenther@suse.de>
1251
1252         PR tree-optimization/43949
1253         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1254         types.
1255         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1256
1257 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1258
1259         * rtl.h (CONST_DOUBLE_P): Define.
1260         (rtx_to_double_int): Declare.
1261         * emit-rtl.c (rtx_to_double_int): New function.
1262         * dwarf2out.c (insert_double): New function.
1263         (loc_descriptor, add_const_value_attribute): Clean up, use
1264         rtx_to_double_int and insert_double functions.
1265
1266 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1267
1268         * doc/extend.texi (Inline): Add missing return keyword to examples.
1269         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1270         "command-line".
1271
1272 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1273
1274         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1275         the variable part of the offset as well.  Use highest_pow2_factor for
1276         all alignment checks.
1277
1278 2010-04-30  Richard Guenther  <rguenther@suse.de>
1279
1280         PR tree-optimization/43879
1281         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1282         can have pointers.
1283
1284 2010-04-30  Jan Hubicka  <jh@suse.cz>
1285
1286         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1287         varpool.
1288         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1289
1290 2010-04-30  Jan Hubicka  <jh@suse.cz>
1291
1292         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1293         New.
1294         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1295         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1296         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1297         cgraph_node_set_needs_ltrans_p): Remove.
1298
1299 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1300
1301         * sdbout.c: Include vec.h, do not include varray.h.
1302         (deferred_global_decls, sdbout_global_decl,
1303         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1304         * toplev.c: Do not include varray.h.
1305         (dump_memory_report): Do not dump VARRAY statistics.
1306         * gengtype.c (open_base_file): Ignore varray.h.
1307         * Makefile.in: Update for abovementioned changes.
1308         Remove all traces of varray.c and varray.h.
1309         * varray.c: Remove file.
1310         * varray.h: Remove file.
1311
1312 2010-04-30  Jan Hubicka  <jh@suse.cz>
1313
1314         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1315         references.
1316
1317 2010-04-30  Jan Hubicka  <jh@suse.cz>
1318
1319         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1320         needed.
1321
1322 2010-04-30  Richard Guenther  <rguenther@suse.de>
1323
1324         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1325         constraints for CONSTRUCTOR.
1326
1327 2010-04-30  Richard Guenther  <rguenther@suse.de>
1328
1329         PR lto/43946
1330         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1331         first after all lowering passes.
1332
1333 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1334
1335         * toplev.c: Include varray.h for statistics dumping.
1336         * tree.h: Do not declare varray_head_tag.
1337         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1338         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1339         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1340         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1341         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1342         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1343         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1344         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1345         include varray.h.
1346         * Makefile.in: Update for abovementioned changes.
1347
1348 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1349
1350         PR debug/43942
1351         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1352
1353 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1354
1355         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1356         Use this function to do machine-specific conversion.
1357         (picochip_legitimize_reload_address): Likewise.
1358         (picochip_legitimate_address_p): Check valid base register only if
1359         strict.
1360         (picochip_check_conditional_copy): Check for modw only if opnd is
1361         register.
1362         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1363         to call the function in c.
1364         * config/picochip/picochip-protos.h
1365         (picochip_legitimize_reload_address): Define.
1366         * config/picochip/picochip.md (supported_compare1): Define.
1367
1368 2010-04-30  Jan Hubicka  <jh@suse.cz>
1369
1370         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1371         (cgraph_global_info): Remove inlined.
1372         (LTO_cgraph_tag_names): Remove.
1373         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1374         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1375         simplify cgraph tags and document.
1376         (lto_output_node): Use only LTO_cgraph_unavail_node and
1377         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1378         for_functions_valid, global info, process and output flags.
1379         (input_overwrite_node): Initialize estimated stack size and
1380         estimated growth.  Do not read flags we no longer store.
1381         (input_node): Likewise do not read info no longer stored.
1382         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1383         flag.
1384
1385 2010-04-30  Richard Guenther  <rguenther@suse.de>
1386
1387         PR tree-optimization/43879
1388         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1389         handle non-zero initializers.
1390
1391 2010-04-30  Richard Guenther  <rguenther@suse.de>
1392
1393         * builtins.c (fold_builtin_1): Delete free (0).
1394
1395 2010-04-29  Jan Hubicka  <jh@suse.cz>
1396
1397         * gengtype.c (open_base_files): Add lto-streamer.h
1398         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1399         (pass_ipa_cp): GGC collect.
1400         * toplev. (compile_file): Do not output symbols.
1401         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1402         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1403         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1404         * lto-section-in.c: Include ggc.h
1405         (lto_new_in_decl_state): Alloc in GGC.
1406         (lto_delete_in_decl_state): Likewise.
1407         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1408         Collect.
1409
1410 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1411
1412         PR target/42895
1413         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1414         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1415         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1416         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1417         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1418         account only if HONOR_REG_ALLOC_ORDER is not defined.
1419         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1420         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1421
1422 2010-04-29  Jon Grant  <04@jguk.org>
1423
1424         * collect2.c (vflag): Change type from int to bool.
1425         (debug): Likewise.
1426         (helpflag): New global bool.
1427         (main): Set vflag and debug with boolean, not integer truth values.
1428         Accept new "--help" option and output usage text if found.
1429         * collect2.h (vflag): Update prototype.
1430         (debug): Likewise.
1431
1432 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1433
1434         PR bootstrap/43936
1435         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1436
1437 2010-04-29  Richard Guenther  <rguenther@suse.de>
1438
1439         PR bootstrap/43935
1440         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1441         with ATTRIBUTE_UNUSED.
1442
1443 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1444
1445         PR target/43921
1446         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1447         INSN_P with NONDEBUG_INSN_P.
1448         (distance_non_agu_define): Likewise.
1449         (distance_agu_use): Likewise.
1450
1451 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1452
1453         From Dominique d'Humieres <dominiq@lps.ens.fr>
1454         PR bootstrap/43858
1455         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1456         test_set.
1457
1458 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1459
1460         * plugin.h (invoke_plugin_callbacks): New inline function.
1461         * plugin.c (flag_plugin_added): New global flag.
1462         (add_new_plugin): Initialize above flag.
1463         (invoke_plugin_callbacks): Rename to ...
1464         (invoke_plugin_callbacks_full): ... this.
1465
1466 2010-04-28  Jan Hubicka  <jh@suse.cz>
1467
1468         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1469         (lto_varpool_replace_node): New.
1470         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1471         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1472         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1473         * cgraph.h (varpool_node_ptr): New type.
1474         (varpool_node_ptr): New vector.
1475         (varpool_node_set_def): New structure.
1476         (varpool_node_set): New type.
1477         (varpool_node_set): New vector.
1478         (varpool_node_set_element_def): New structure.
1479         (varpool_node_set_element, const_varpool_node_set_element): New types.
1480         (varpool_node_set_iterator): New type.
1481         (varpool_node): Add prev pointers, add used_from_other_partition,
1482         in_other_partition.
1483         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1484         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1485         varpool_get_node, varpool_remove_node): Declare.
1486         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1487         varpool_node_set_size): New inlines.
1488         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1489         * tree-pass.h (varpool_node_set_def): Forward declare.
1490         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1491         (ipa_write_optimization_summaries): Update prototype.
1492         * ipa-cp.c (ipcp_write_summary): Update.
1493         * ipa-reference.c (ipa_reference_write_summary): Update.
1494         * lto-cgraph.c (lto_output_varpool_node): New static function.
1495         (output_varpool): New function.
1496         (input_varpool_node): New static function.
1497         (input_varpool_1): New function.
1498         (input_cgraph): Input varpool.
1499         * ipa-pure-const.c (pure_const_write_summary): Update.
1500         * lto-streamer-out.c (lto_output): Update, output varpool too.
1501         (write_global_stream): Kill WPA hack.
1502         (produce_asm_for_decls): Update.
1503         (output_alias_pair_p): Handle variables.
1504         (output_unreferenced_globals): Output only needed partition of varpool.
1505         * ipa-inline.c (inline_write_summary): Update.
1506         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1507         cgraph.
1508         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1509         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1510         varpool_node_set_new, varpool_node_set_add,
1511         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1512         debug_varpool_node_set): New functions.
1513         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1514         (execute_one_pass): Process new decls too.
1515         (ipa_write_summaries_2): Pass around vsets.
1516         (ipa_write_summaries_1): Likewise.
1517         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1518         to add.
1519         (ipa_write_optimization_summaries_1): Pass around vsets.
1520         (ipa_write_optimization_summaries): Likewise.
1521         * varpool.c (varpool_get_node): New.
1522         (varpool_node): Update doubly linked lists.
1523         (varpool_remove_node): New.
1524         (dump_varpool_node): More dumping.
1525         (varpool_enqueue_needed_node): Update doubly linked lists.
1526         (decide_is_variable_needed): Kill ltrans hack.
1527         (varpool_finalize_decl): Kill lto hack.
1528         (varpool_assemble_decl): Skip decls in other partitions.
1529         (varpool_assemble_pending_decls): Update doubly linkes lists.
1530         (varpool_empty_needed_queue): Likewise.
1531         (varpool_extra_name_alias): Likewise.
1532         * lto-streamer.c (lto_get_section_name): Add vars section.
1533         * lto-streamer.h (lto_section_type): Update.
1534         (output_varpool, input_varpool): Declare.
1535
1536 2010-04-28  Mike Stump  <mikestump@comcast.net>
1537
1538         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1539
1540 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1541
1542         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1543         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1544         (lto_input_ts_type_tree_pointers): Likewise.
1545         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1546         (lto_output_ts_type_tree_pointers): Likewise.
1547
1548 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1549
1550         Uniquization of constants at the Tree level
1551         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1552         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1553         bit to the end.
1554         (tree_output_constant_def): Declare.
1555         * gimplify.c (gimplify_init_constructor): When using block copy, first
1556         uniquize the constant constructor on the RHS.
1557         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1558         DECL_IN_CONSTANT_POOL flag.
1559         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1560         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1561         constant pool.
1562         (assemble_variable): Deal with symbols belonging to the tree constant
1563         pool.
1564         (get_constant_section): Add ALIGN parameter and simplify.
1565         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1566         (assemble_constant_contents): Use the expression of the VAR_DECL.
1567         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1568         (tree_output_constant_def): New global function.
1569         (mark_constant): Use the expression of the VAR_DECL.
1570         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1571         its expression.
1572         (output_object_block): Likewise and assemble the expression.
1573
1574 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1575
1576         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1577         hash_tree, eq_tree): New tree hash table.
1578         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1579         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1580         lto_orig_address_remove): Reimplement.
1581
1582 2010-04-28  Xinliang David Li  <davidxl@google.com>
1583
1584         PR c/42643
1585         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1586         (compute_uninit_opnds_pos): New function.
1587         (is_non_loop_exit_postdominating): New function.
1588         (compute_control_dep_chain): New function.
1589         (find_pdom): New function.
1590         (convert_control_dep_chain_into_preds): New function.
1591         (find_predicates): New function.
1592         (find_control_equiv_block): New function.
1593         (collect_phi_def_edges): New function.
1594         (find_def_preds): New function.
1595         (find_dom): New function.
1596         (dump_predicates): New function.
1597         (get_cmp_code): New function.
1598         (is_value_included_in): New function.
1599         (find_matching_predicate_in_rest_chains): New function.
1600         (use_pred_not_overlap_with_undef_path_pred): New function.
1601         (is_use_properly_guarded): New function.
1602         (normalize_cond_1): New function.
1603         (is_and_or_or): New function.
1604         (normalize_cond): New function.
1605         (is_gcond_subset_of): New function.
1606         (is_subset_of_any): New function.
1607         (is_or_set_subset_of): New function.
1608         (is_and_set_subset_of): New function.
1609         (is_norm_cond_subset_of): New function.
1610         (is_pred_expr_subset_of): New function.
1611         (is_pred_chain_subset_of): New function.
1612         (is_included_in): New function.
1613         (is_superset_of): New function.
1614         (find_uninit_use): New function.
1615         (warn_uninitialized_phi): New function.
1616         (compute_possibly_undefined_names): New function.
1617         (ssa_undefined_value_p): New function.
1618         (execute_late_warn_uninitialized): New function.
1619         * tree-ssa.c (ssa_undefined_value_p): Removed.
1620         (warn_uninit): Changed to extern.
1621         (warn_uninitialized_phi): Removed.
1622         (warn_uninitialized_vars): Changed to extern.
1623         (execute_late_warn_uninitialized): Removed
1624         * tree-flow.h: Add new prototypes.
1625         * timevar.def: Add new time variable.
1626         * Makefile.in: Add new build file.
1627
1628 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1629
1630         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1631         type if available.
1632
1633 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1634
1635         PR target/22224
1636         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1637
1638 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1639
1640         * cgraph.h (struct cgraph_node): New field indirect_calls.
1641         (struct cgraph_indirect_call_info): New type.
1642         (struct cgraph_edge): Removed field indirect_call. New fields
1643         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1644         (cgraph_create_indirect_edge): Declare.
1645         (cgraph_make_edge_direct): Likewise.
1646         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1647         * ipa-prop.h (struct ipa_param_call_note): Removed.
1648         (struct ipa_node_params): Removed field param_calls.
1649         (ipa_create_all_structures_for_iinln): Declare.
1650         * cgraph.c: Described indirect edges and uids in initial comment.
1651         (cgraph_add_edge_to_call_site_hash): New function.
1652         (cgraph_edge): Search also among the indirect edges, use
1653         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1654         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1655         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1656         site hash.
1657         (initialize_inline_failed): Assign a reason to indirect edges.
1658         (cgraph_create_edge_1): New function.
1659         (cgraph_create_edge): Moved some functionality to
1660         cgraph_create_edge_1.
1661         (cgraph_create_indirect_edge): New function.
1662         (cgraph_edge_remove_callee): Add an assert checking for
1663         non-indirectness.
1664         (cgraph_edge_remove_caller): Special-case indirect edges.
1665         (cgraph_remove_edge): Likewise.
1666         (cgraph_set_edge_callee): New function.
1667         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1668         (cgraph_make_edge_direct): New function.
1669         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1670         the declaration of the call statement matches.
1671         (cgraph_node_remove_callees): Special-case indirect edges.
1672         (cgraph_clone_edge): Likewise.
1673         (cgraph_clone_node): Clone also the indirect edges.
1674         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1675         indirect_call, dump count of indirect_calls edges.
1676         * ipa-prop.c (iinlining_processed_edges): New variable.
1677         (ipa_note_param_call): Create indirect edges instead of
1678         creating notes.  New parameter node.
1679         (ipa_analyze_call_uses): New parameter node, pass it on to
1680         ipa_note_param_call.
1681         (ipa_analyze_stmt_uses): Likewise.
1682         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1683         (print_edge_addition_message): Work on edges rather than on notes.
1684         (update_call_notes_after_inlining): Likewise, renamed to
1685         update_indirect_edges_after_inlining.
1686         (ipa_create_all_structures_for_iinln): New function.
1687         (ipa_free_node_params_substructures): Do not free notes.
1688         (ipa_edge_duplication_hook): Propagate bits within
1689         iinlining_processed_edges bitmap.
1690         (ipa_node_duplication_hook): Do not duplicate notes.
1691         (free_all_ipa_structures_after_ipa_cp): Renamed to
1692         ipa_free_all_structures_after_ipa_cp.
1693         (free_all_ipa_structures_after_iinln): Renamed to
1694         ipa_free_all_structures_after_iinln.
1695         (ipa_write_param_call_note): Removed.
1696         (ipa_read_param_call_note): Removed.
1697         (ipa_write_indirect_edge_info): New function.
1698         (ipa_read_indirect_edge_info): Likewise.
1699         (ipa_write_node_info): Do not stream notes, do stream information
1700         in indirect edges.
1701         (ipa_read_node_info): Likewise.
1702         (lto_ipa_fixup_call_notes): Removed.
1703         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1704         * ipa-inline.c (pass_ipa_inline): Likewise.
1705         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1706         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1707         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1708         is_gimple_call.
1709         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1710         edges.
1711         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1712         (output_cgraph): Stream also indirect edges.
1713         (lto_output_edge): Added capability to stream indirect edges.
1714         (input_edge): Likewise.
1715         (input_cgraph_1): Likewise.
1716         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1717         of indirect edges.
1718
1719 2010-04-28  Richard Guenther  <rguenther@suse.de>
1720
1721         PR tree-optimization/43879
1722         PR tree-optimization/43909
1723         * tree-ssa-structalias.c (struct variable_info): Add
1724         only_restrict_pointers flag.
1725         (new_var_info): Initialize it.  Increment stats.total_vars here.
1726         (create_function_info_for): Do not increment stats.total_vars here.
1727         (get_function_part_constraint): Fix build with C++.
1728         (insert_into_field_list): Remove.
1729         (push_fields_onto_fieldstack): Properly merge fields.
1730         (create_variable_info_for): Split and simplify.
1731         (create_variable_info_for_1): New piece.
1732         (intra_create_variable_infos): Properly make restrict constraints
1733         from parameters.
1734
1735 2010-04-28  Richard Guenther  <rguenther@suse.de>
1736
1737         PR c++/43880
1738         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1739
1740 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1741             Jan Hubicka <hubicka@ucw.cz>
1742
1743         * doc/invoke.texi (-Wsuggest-attribute=const,
1744         -Wsuggest-attribute=pure): Document.
1745         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1746         (function_always_visible_to_compiler_p,
1747         suggest_attribute, warn_function_pure, warn_function_const):
1748         New functions.
1749         (check_call): Improve debug info.
1750         (analyze_function): Do not check availability.
1751         (add_new_function): Check availability.
1752         (propagate): Output warnings.
1753         (skip_function_for_local_pure_const): New function.
1754         (local_pure_const): Use it; output warnings.
1755         * common.opt (Wsuggest-attribute=const,
1756         Wsuggest-attribute=pure): New.
1757
1758 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1759
1760         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1761         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1762         or DW_CFA_def_cfa_offset{,_sf}.
1763
1764 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1765
1766         * tree.h: Fix truncated long macros.
1767
1768 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1769
1770         * collect2.c (TARGET_64BIT): Redefine to target's default.
1771         * tlink.c: Likewise.
1772         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1773         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1774         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1775         for underscoring __USER_LABEL_PREFIX__.
1776         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1777         (SUB_LINK_ENTRY32): New.
1778         (SUB_LINK_ENTRY64): New.
1779         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1780         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1781         (SUB_LINK_ENTRY64): New.
1782         (SUB_LINK_ENTRY): New.
1783         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1784         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1785         x64 target is choosen.
1786         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1787         * configure: Regenerated.
1788         * configure.ac (leading-mingw64-underscores): Option added.
1789
1790 2010-04-27  Jan Hubicka  <jh@suse.cz>
1791
1792         * doc/invoke.texi (-fipa-profile): Document.
1793         * opts.c (decode_options): Enable ipa-profile at -O1.
1794         * timevar.def (TV_IPA_PROFILE): Define.
1795         * common.opt (fipa-profile): Add.
1796         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1797         flag for clones.
1798         (cgraph_propagate_frequency): Handle only local ones.
1799         * tree-pass.h (pass_ipa_profile): Declare.
1800         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1801         (pass_ipa_profile): Use TV_IPA_PROFILE.
1802         * ipa.c (ipa_profile): New function.
1803         (gate_ipa_profile): Likewise.
1804         (pass_ipa_profile): New global variable.
1805         * passes.c (pass_ipa_profile): New.
1806
1807 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1808
1809         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1810
1811 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1812
1813         PR middle-end/43812
1814         * ipa.c (dissolve_same_comdat_group_list): New function.
1815         (function_and_variable_visibility): Call
1816         dissolve_same_comdat_group_list when comdat group contains external or
1817         newly local nodes.
1818         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1819         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1820
1821 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1822
1823         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1824         (const_hash_1) <VECTOR_CST>: New case.
1825         (compare_constant) <VECTOR_CST>: Likewise.
1826         <ADDR_EXPR>: Deal with LABEL_REFs.
1827         (copy_constant) <VECTOR_CST>: New case.
1828
1829 2010-04-27  Jan Hubicka  <jh@suse.cz>
1830
1831         * cgraph.c (cgraph_propagate_frequency): New function.
1832         * cgraph.h (cgraph_propagate_frequency): Declare.
1833         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1834         cgraph_propagate_frequency.
1835
1836 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1837
1838         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1839
1840 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1841
1842         PR target/40657
1843         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1844         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1845         here to determine which regs to push and how much stack to reserve.
1846
1847 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1848
1849         * doc/gimple.texi (gimple_statement_with_ops): Remove
1850         addresses_taken field.
1851         (gimple_statement_with_memory_ops): Likewise.
1852
1853 2010-04-27  Jan Hubicka  <jh@suse.cz>
1854
1855         * tree-inline.c (eni_inlining_weights): Remove.
1856         (estimate_num_insns): Special case more builtins.
1857
1858 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1859
1860         PR c/32207
1861         * c-typeck.c (build_binary_op): Move forward check for comparison
1862         pointer with null pointer constant and adjust the diagnostic message.
1863
1864 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1865
1866         PR lto/42776
1867         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1868         binutils supports extended .section directive needed by LTO, or
1869         warn if older binutils found.
1870         (LTO_BINARY_READER): New AC_SUBST'd variable.
1871         (LTO_USE_LIBELF): Likewise.
1872         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1873         variable.
1874         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1875         (LTO_USE_LIBELF): Likewise.
1876         * configure: Regenerate.
1877
1878         * collect2.c (is_elf): Rename from this ...
1879         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1880          object files in addition to ELF-formatted ones.
1881         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1882         symbol to be prefixed or not by an extra underscore.
1883
1884         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1885         * config/i386/winnt.c: Also #include lto-streamer.h
1886         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1887         LTO named sections.
1888         (i386_pe_asm_output_aligned_decl_common): Add comment.
1889         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1890
1891 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1892
1893         PR target/43889
1894         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1895         Add missing earlyclobber for second alternative.
1896
1897 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1898
1899         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1900         bits for artificial defs at the top of the block.
1901         * fwprop.c (single_def_use_enter_block): Don't call it.
1902
1903 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1904
1905         PR 43715
1906         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1907         instead of "$gcc_cv_objdump -T".
1908         Use "-undefined dynamic_lookup" on darwin.
1909         * gcc/configure: Regenerate.
1910
1911 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR c/43893
1914         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1915
1916 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1917
1918         * c-parser.c (struct c_token): Move location field up.
1919         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1920         (struct c_declspecs): Convert typespec_word, storage_class, and
1921         default_int_p into bitfields.
1922         (struct c_declarator): Move loc field up.
1923
1924 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1925
1926         * cfgloop.h (struct loop): Move can_be_parallel field up.
1927         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1928         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1929         down.
1930         (struct iv_cand): Convert pos field into a bitfield.
1931         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1932         field up.
1933         (struct _stmt_vec_info): Shuffle fields for better packing.
1934
1935 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1936
1937         * varasm.c (IN_NAMED_SECTION): Remove guard.
1938         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1939         (IN_NAMED_SECTION_P): ...this.
1940         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1941         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1942
1943 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1944
1945         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1946         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1947         of shadowing it.  Fix comments.
1948
1949 2010-04-26  Jan Hubicka  <jh@suse.cz>
1950
1951         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1952         (cgraph_clone_node): Copy function frequency.
1953         * cgraph.h (node_frequency): New enum
1954         (struct cgraph_node): Add.
1955         * final.c (rest_of_clean_state): Update.
1956         * lto-cgraph.c (lto_output_node): Output node frequency.
1957         (input_overwrite_node): Input node frequency.
1958         * tre-ssa-loop-ivopts (computation_cost): Update.
1959         * lto-streamer-out.c (output_function): Do not output function
1960         frequency.
1961         * predict.c (maybe_hot_frequency_p): Update and handle functions
1962         executed once.
1963         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1964         attribute lookup.
1965         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1966         (compute_function_frequency): Set noreturn functions to be executed
1967         once.
1968         (choose_function_section): Update.
1969         * lto-streamer-in.c (input_function): Do not input function frequency.
1970         * function.c (allocate_struct_function): Do not initialize function
1971         frequency.
1972         * function.h (function_frequency): Remove.
1973         (struct function): Remove function frequency.
1974         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1975         (try_update): Update.
1976         * tree-inline.c (initialize_cfun): Do not update function frequency.
1977         * passes.c (pass_init_dump_file): Update.
1978         * i386.c (ix86_compute_frame_layout): Update.
1979         (ix86_pad_returns): Update.
1980
1981 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1982
1983         PR tree-optimization/43833
1984         * tree-vrp.c (range_int_cst_p): New.
1985         (range_int_cst_singleton_p): New.
1986         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1987         when both operands are constants.  Use range_int_cst_p in
1988         BIT_IOR_EXPR case.
1989
1990 2010-04-26  Jan Hubicka  <jh@suse.cz>
1991
1992         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1993
1994 2010-04-26  Richard Guenther  <rguenther@suse.de>
1995
1996         PR lto/43080
1997         * gimple.c (gimple_decl_printable_name): Deal gracefully
1998         with a NULL DECL_NAME.
1999
2000 2010-04-26  Richard Guenther  <rguenther@suse.de>
2001
2002         PR lto/42425
2003         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2004         if emitting debug information and it is either a function
2005         or a namespace decl.
2006
2007 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2008
2009         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2010         determine if the statement is vectorizable, and a macro to access it.
2011         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2012         Skip statements that can't be vectorized. If the analysis fails,
2013         mark the statement as unvectorizable if vectorizing basic block.
2014         (vect_compute_data_refs_alignment): Likewise.
2015         (vect_verify_datarefs_alignment): Skip statements marked as
2016         unvectorizable. Add print.
2017         (vect_analyze_group_access): Skip statements that can't be
2018         vectorized. If the analysis fails, mark the statement as
2019         unvectorizable if vectorizing basic block.
2020         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2021         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2022         generated stmts for SLP.
2023         (new_stmt_vec_info): Initialize the new field.
2024         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2025         statements marked as unvectorizable.
2026
2027 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2028
2029         * c-common.c (flag_isoc1x): New.
2030         (flag_isoc99): Update comment.
2031         * c-common.h (flag_isoc1x): New.
2032         (flag_isoc99): Update comment.
2033         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2034         __<type>_DECIMAL_DIG__.
2035         * c-opts.c (set_std_c1x): New.
2036         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2037         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2038         * c.opt (-std=c1x, -std=gnu1x): New options.
2039         * doc/cpp.texi: Mention -std=c1x.
2040         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2041         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2042         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2043         * doc/standards.texi: Mention C1X.
2044         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2045         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2046         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2047         Define for C1X.
2048
2049 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2052         placeholder from 0x%x to %#x.
2053         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2054         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2055         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2056         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2057         * config/i386/i386.c (ix86_target_string): Ditto.
2058         (output_pic_addr_const): Ditto.
2059         (print_operand): Ditto.
2060
2061 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2062
2063         * combine.c (find_split_point): Add third argument.  Use it
2064         to find nested multiply-accumulate instructions.  Adjust calls.
2065         (try_combine): Adjust call to find_split_point.
2066
2067 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2068
2069         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2070
2071 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2072
2073         PR tree-optimization/41442
2074         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2075         (fold_binary_loc): Call it.
2076
2077 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2078
2079         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2080         * opts.c (common_handle_option): Allow disabling it.
2081         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2082
2083 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2084
2085         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2086         between modes if both types are integral.
2087
2088 2010-04-23  Richard Guenther  <rguenther@suse.de>
2089
2090         PR tree-optimization/43572
2091         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2092
2093 2010-04-23  Richard Guenther  <rguenther@suse.de>
2094
2095         PR lto/43455
2096         * tree-inline.c (tree_can_inline_p): Also check compatibility
2097         of return types.
2098
2099 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2100
2101         PR tree-optimization/43846
2102         * tree-sra.c (struct access): New flag grp_assignment_read.
2103         (build_accesses_from_assign): Set grp_assignment_read.
2104         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2105         (enum mark_read_status): New type.
2106         (analyze_access_subtree): Propagate grp_assignment_read, create
2107         accesses also if both direct_read and root->grp_assignment_read.
2108
2109 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2110
2111         PR middle-end/43835
2112         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2113         function does not have type attributes.
2114
2115 2010-04-23  Richard Guenther  <rguenther@suse.de>
2116
2117         PR lto/42653
2118         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2119         of FUNCTION_DECLs.
2120
2121 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2122
2123         * sese.h (create_if_region_on_edge): Remove.
2124
2125         * sese.c (create_if_region_on_edge): Make static.
2126
2127         * tree-inline.c: Do not include ggc.h.
2128
2129         * expr.c: Do not include ggc.h.
2130
2131         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2132         dependencies.
2133
2134 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2135
2136         PR target/43744
2137         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2138         in the middle of insns for casesi_worker_2.
2139
2140 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2141
2142         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2143
2144 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2145
2146         PR tree-optimization/43842
2147         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2148         loop unrolling in update of exit phis. Fix comment.
2149         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2150         least two reduction statements in the loop before starting SLP
2151         analysis.
2152
2153 2010-04-22  Nick Clifton  <nickc@redhat.com>
2154
2155         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2156
2157 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2158
2159         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2160         to simplify a + ~a.
2161
2162 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2163
2164         * tree-parloops.c (loop_parallel_p): New argument
2165         parloop_obstack.  Pass it down.
2166         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2167         pass it down, free it.
2168
2169         * tree-loop-linear.c (linear_transform_loops): Pass down
2170         lambda_obstack.
2171
2172         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2173         of type struct obstack *.
2174
2175         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2176         scratch_obstack.  Initialize it, pass down, free it.
2177
2178         * lambda.h (lambda_loop_new): Remove.
2179         (lambda_matrix_new, lambda_matrix_inverse)
2180         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2181         argument of type struct obstack *.
2182
2183         * lambda-trans.c (lambda_trans_matrix_new): New argument
2184         lambda_obstack.  Pass it down, use obstack allocation for ret.
2185         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2186         it down.
2187
2188         * lambda-mat.c (lambda_matrix_get_column)
2189         (lambda_matrix_project_to_null): Remove.
2190         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2191         allocation for mat.
2192         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2193         lambda_obstack.
2194
2195         * lambda-code.c (lambda_loop_new): New function.
2196         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2197         (lambda_compute_auxillary_space, lambda_compute_target_space)
2198         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2199         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2200         (build_access_matrix): New argument lambda_obstack.  Use obstack
2201         allocation for am.
2202         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2203         argument lambda_obstack.  Pass it down.
2204
2205 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2206
2207         * optabs.h (expand_widening_mult): Declare.
2208
2209 2010-04-22  Richard Guenther  <rguenther@suse.de>
2210
2211         PR tree-optimization/43845
2212         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2213         lookup the CALL_EXPR function and arguments.
2214
2215 2010-04-22  Nick Clifton  <nickc@redhat.com>
2216
2217         * config/stormy16/stormy16.c
2218         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2219         * config/stormy16/stormy16.h: Tidy up formatting.
2220         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2221         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2222         (ineqbranchsi): Delete pattern.
2223         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2224         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2225         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2226         stormy16-lib2-ucmpsi2.c.
2227
2228 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2229
2230         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2231         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2232         extra set merge_set_noclobber, and use it to relax the final test
2233         slightly.
2234         * df.h (df_simulate_find_noclobber_defs): Declare.
2235         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2236         conditional defs.
2237         (df_simulate_find_noclobber_defs): New function.
2238
2239 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2240
2241         * config/i386/i386.md: Use {} around multi-line preparation statements.
2242
2243 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2244
2245         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2246         (process_init_element): New argument of type struct obstack *.
2247
2248         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2249         (set_init_index, set_init_label, set_nonincremental_init)
2250         (set_nonincremental_init_from_string, find_init_member)
2251         (output_init_element, output_pending_init_elements)
2252         (process_init_element): New argument braced_init_obstack.  Pass it
2253         down.
2254         (push_range_stack, add_pending_init): New argument
2255         braced_init_obstack.  Use obstack allocation.
2256
2257         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2258         braced_init_obstack.  Pass it down.
2259         (c_parser_braced_init): New variables ret, braced_init_obstack.
2260         Initialize obstack, pass it down and finally free it.
2261
2262 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2263
2264         PR middle-end/29274
2265         * tree-pass.h (pass_optimize_widening_mul): Declare.
2266         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2267         gate_optimize_widening_mul): New static functions.
2268         (pass_optimize_widening_mul): New.
2269         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2270         <case MULT_EXPR>: Remove support for widening multiplies.
2271         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2272         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2273         simplify_gen_unary rather than directly building extensions.
2274         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2275         WIDEN_MULT_EXPR.
2276         * expmed.c (expand_widening_mult): New function.
2277         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2278
2279 2010-04-21  Jan Hubicka  <jh@suse.cz>
2280
2281         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2282         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2283         * lto-wpa-fixup.c: Remove.
2284         * Makefile.in (lto-wpa-fixup.o): Remove.
2285         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2286         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2287         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2288
2289 2010-04-21  Jan Hubicka  <jh@suse.cz>
2290
2291         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2292         add write_optimization_summary, read_optimization_summary.
2293         (ipa_write_summaries_of_cgraph_node_set): Remove.
2294         (ipa_write_optimization_summaries): Declare.
2295         (ipa_read_optimization_summaries): Declare.
2296         * ipa-cp.c (pass_ipa_cp): Update.
2297         * ipa-reference.c (pass_ipa_reference): Update.
2298         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2299         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2300         Update.
2301         * ipa-inline.c (pass_ipa_inline): Update.
2302         * ipa.c (pass_ipa_whole_program): Update.
2303         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2304         * passes.c (ipa_write_summaries_1): Do not test wpa.
2305         (ipa_write_optimization_summaries_1): New.
2306         (ipa_write_optimization_summaries): New.
2307         (ipa_read_summaries): Do not test ltrans.
2308         (ipa_read_optimization_summaries_1): New.
2309         (ipa_read_optimization_summaries): New.
2310
2311 2010-04-21  Jan Hubicka  <jh@suse.cz>
2312
2313         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2314         for boundary nodes.
2315         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2316
2317 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2318
2319         PR debug/40040
2320         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2321         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2322
2323 2010-04-21  Jan Hubicka  <jh@suse.cz>
2324
2325         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2326
2327 2010-04-21  Jan Hubicka  <jh@suse.cz>
2328
2329         * varpool.c (decide_is_variable_needed): Variable is always needed
2330         during ltrans.
2331
2332 2010-04-21  Jan Hubicka  <jh@suse.cz>
2333
2334         * opts.c (decode_options): Enable pure-const pass for whopr.
2335
2336 2010-04-21  Jan Hubicka  <jh@suse.cz>
2337
2338         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2339         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2340         at WPA dumping.
2341         (cgraph_decide_inlining): Do not expect callee to be removed in all
2342         cases.
2343
2344 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2345
2346         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2347
2348 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2349
2350         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2351         amdfam10_decode attributes.
2352
2353 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2354
2355         PR middle-end/43570
2356         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2357         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2358         (lower_copyprivate_clauses): Use private var in outer
2359         context instead of original var.  Make sure the types
2360         are correct for VLAs.
2361
2362 2010-04-21  Richard Guenther  <rguenther@suse.de>
2363
2364         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2365         to non-pointer objects.
2366
2367 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2368
2369         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2370         last chain entry if it starts with the still current label.
2371         (add_location_or_const_value_attribute): Check that
2372         loc_list->first->next is NULL instead of comparing ->first with ->last.
2373         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2374         to add_var_loc_to_decl.
2375
2376         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2377         >= 4 add also address size and segment size fields into CIE header.
2378
2379         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2380         long as address size is the same as sizeof (void *) and
2381         segment size is 0.
2382         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2383         address size or segment size is unexpected, return DW_EH_PE_omit.
2384         (classify_object_over_fdes): If get_cie_encoding returned
2385         DW_EH_PE_omit, return -1.
2386         (init_object): If classify_object_over_fdes returned -1,
2387         pretend there were no FDEs at all.
2388
2389 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2390
2391         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2392         bswap{si,di}2 using SWI48 mode iterator.
2393         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2394         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2395         set modrm attribute of bswap insn to 0 and remove length attribute.
2396         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2397         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2398         set mode attribute to <MODE> and remove length attribute.
2399
2400 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2401
2402         PR rtl-optimization/43520
2403         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2404         zero available registers.
2405
2406 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2407
2408         * builtins.c (fold_builtin_cproj): Fold more cases.
2409
2410 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2411
2412         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2413         (fold_builtin_1): Fold builtin cproj.
2414         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2415         Use ATTR_CONST_NOTHROW_LIST.
2416
2417 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2418
2419         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2420         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2421         ffsi2_no_cmove for !TARGET_CMOVE.
2422         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2423         (ffssi2): Remove expander.
2424         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2425         mode iterator.
2426         (ctz<mode>2): Ditto from ctz{si,di}2.
2427         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2428         mode iterator.
2429         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2430         mode iterator.
2431
2432 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2433
2434         * dwarf2out.c (AT_linkage_name): Define.
2435         (clone_as_declaration): Handle DW_AT_linkage_name.
2436         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2437         of DW_AT_MIPS_linkage_name.
2438         (move_linkage_attr): Likewise.
2439         (dwarf2out_finish): Likewise.
2440
2441 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2442
2443         PR middle-end/41952
2444         * fold-const.c (fold_comparison): New folding rule.
2445
2446 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2447
2448         * double-int.h (double_int_setbit): Declare.
2449         * double-int.c (double_int_setbit): New function.
2450         * rtl.h (immed_double_int_const): Declare.
2451         * emit-rtl.c (immed_double_int_const): New function.
2452         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2453         and immed_double_int_const functions.
2454         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2455         expand_copysign_bit):  (Ditto.).
2456         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2457         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2458         * dojump.c (prefer_and_bit_test): (Ditto.).
2459         * expr.c (convert_modes, reduce_to_bit_field_precision,
2460         const_vector_from_tree): (Ditto.).
2461         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2462
2463 2010-04-20  Jan Hubicka  <jh@suse.cz>
2464
2465         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2466         (dump_cgraph_node): Dump new flags.
2467         * cgraph.h (struct cgraph_node): Add flags
2468         reachable_from_other_partition and in_other_partition.
2469         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2470         other partition can not be removed.
2471         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2472         the other partition must be output; silence sanity checking on
2473         leaking functions bodies from other paritition.
2474         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2475         (lto_output_node): Output new flags; do not sanity check that inline
2476         clones are output; drop lto_forced_extern_inline_p code; do not mock
2477         visibility flags at partition boundaries.
2478         (add_node_to): New function.
2479         (output_cgraph): Use it to sort functions so masters appear before
2480         clones.
2481         (input_overwrite_node): Input new flags.
2482         * passes.c (ipa_write_summaries): Do not call
2483         lto_new_extern_inline_states.
2484         * lto-section-out.c (forced_extern_inline,
2485         lto_new_extern_inline_states lto_delete_extern_inline_states,
2486         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2487         * lto-streamer.h (lto_new_extern_inline_states,
2488         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2489         lto_forced_extern_inline_p): Kill.
2490
2491 2010-04-20  Richard Guenther  <rguenther@suse.de>
2492
2493         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2494         from vars that can have pointers.
2495         (process_constraint): Dump useless constraints.
2496
2497 2010-04-20  Richard Guenther  <rguenther@suse.de>
2498
2499         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2500         (dump_sa_points_to_info): Remove asserts.
2501         (init_base_vars): nothing_id isn't an escape point nor does it
2502         have pointers.
2503
2504 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2505
2506         * tree.h (TYPE_REF_IS_RVALUE): Define.
2507         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2508         should_move_die_to_comdat, prune_unused_types_walk): Handle
2509         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2510         (modified_type_die, gen_reference_type_die): Emit
2511         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2512         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2513
2514 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2515
2516         PR target/43635
2517         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2518         calls for -fpic -m31 if they have been sibcall optimized.
2519
2520 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2521
2522         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2523         ar.lc fixed and call-used.
2524
2525         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2526
2527 2010-04-19  Jan Hubicka  <jh@suse.cz>
2528
2529         * opts.c (decode_options): Disable whpr incompatible passes.
2530         * lto/lto.c (lto_1_to_1_map): Skip clones.
2531         (read_cgraph_and_symbols): Do not mark everything as needed.
2532         (do_whole_program_analysis): Do map only after optimizing;
2533         set proper cgraph_state; use passmanager.
2534
2535 2010-04-19  DJ Delorie  <dj@redhat.com>
2536
2537         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2538         POINTER_PLUS_EXPR and fix them.
2539
2540 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2541
2542         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2543         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2544         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2545         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2546         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2547         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2548         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2549         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2550         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2551         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2552         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2553
2554 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2555
2556         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2557         (check_cond_move_block): Likewise.
2558         (cond_move_process_if_block): Likewise.
2559         (noce_find_if_block): Improve formatting.
2560         (find_if_header): Pass 0 to memset and tweak conditions.
2561         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2562
2563 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2564
2565         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2566         for -gdwarf-4.
2567
2568         PR middle-end/43337
2569         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2570         with non-local decl doesn't need chain.
2571
2572 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2573
2574         * ira-color.c (allocno_reload_assign): Avoid accumulating
2575         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2576
2577 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2578
2579         * gimple.h (create_tmp_reg): Declare.
2580         * gimplify.c (create_tmp_reg): New function.
2581         (gimplify_return_expr): Use create_tmp_reg.
2582         (gimplify_omp_atomic): Likewise.
2583         (gimple_regimplify_operands): Likewise.
2584         * tree-dfa.c (make_rename_temp): Likewise.
2585         * tree-predcom.c (predcom_tmp_var): Likewise.
2586         (reassociate_to_the_same_stmt): Likewise.
2587         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2588         (get_replaced_param_substitute): Likewise.
2589         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2590         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2591         * tree-ssa-pre.c (get_representative_for): Likewise.
2592         (create_expression_by_pieces): Likewise.
2593         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2594         (create_tailcall_accumulator): Likewise.
2595
2596 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2597
2598         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2599         new_stmt.
2600         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2601
2602 2010-04-19  Richard Guenther  <rguenther@suse.de>
2603
2604         PR tree-optimization/43796
2605         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2606         from SCEV in the lattice.
2607         (vrp_visit_phi_node): Dump change.
2608
2609 2010-04-19  Richard Guenther  <rguenther@suse.de>
2610
2611         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2612         * configure: Re-generated.
2613
2614 2010-04-19  Richard Guenther  <rguenther@suse.de>
2615
2616         PR tree-optimization/43783
2617         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2618         constant ARRAY_REF operands two and three if possible.
2619
2620 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2621
2622         PR target/43766
2623         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2624
2625 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2626
2627         PR target/43662
2628         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2629
2630 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2631
2632         PR tree-optimization/37027
2633         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2634         and macro to access it.
2635         (vectorizable_reduction): Add argument.
2636         (vect_get_slp_defs): Likewise.
2637         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2638         statements for possible use in SLP.
2639         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2640         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2641         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2642         add new argument.
2643         (vectorizable_reduction): Likewise.
2644         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2645         vect_get_slp_defs.
2646         (vectorizable_type_demotion, vectorizable_type_promotion,
2647         vectorizable_store): Likewise.
2648         (vect_analyze_stmt): Update call to vectorizable_reduction.
2649         (vect_transform_stmt): Likewise.
2650         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2651         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2652         from different interleaving chains in same node.
2653         (vect_slp_rearrange_stmts): New function.
2654         (vect_supported_load_permutation_p): Allow load permutations for
2655         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2656         inside SLP nodes if necessary.
2657         (vect_analyze_slp_instance): Handle reductions.
2658         (vect_analyze_slp): Try to build SLP instances originating from groups
2659         of reductions.
2660         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2661         (vect_get_constant_vectors): Create initial vectors for reductions
2662         according to reduction code. Add new argument.
2663         (vect_get_slp_defs): Add new argument, pass it to
2664         vect_get_constant_vectors.
2665         (vect_schedule_slp_instance): Remove SLP tree root statements.
2666
2667 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2668
2669         * tree.h (ENUM_IS_SCOPED): Define.
2670         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2671         for ENUM_IS_SCOPED enums.
2672
2673 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2674
2675         * fold-const.c (fold_comparison): Use ssizetype.
2676         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2677         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2678         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2679         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2680
2681         * tree.h (initialize_sizetypes): Remove parameter.
2682         (build_common_tree_nodes): Remove second parameter.
2683         * stor-layout.c (initialize_sizetypes): Remove parameter.
2684         Always create an unsigned type.
2685         (set_sizetype): Assert that the passed type is unsigned and simplify.
2686         * tree.c (build_common_tree_nodes): Remove second parameter.
2687         Adjust call to initialize_sizetypes.
2688         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2689         build_common_tree_nodes.
2690
2691 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2692
2693         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2694
2695 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2696
2697         PR tree-optimization/43771
2698         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2699         load permutation doesn't have gaps.
2700
2701 2010-04-18  Jan Hubicka  <jh@suse.cz>
2702
2703         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2704         (sse_prologue_save_insn expander): Use new pattern.
2705         (sse_prologue_save_insn1): New pattern and splitter.
2706         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2707         blocks.
2708         * i386.c (setup_incoming_varargs_64): Do not compute jump
2709         destination here.
2710         (ix86_gimplify_va_arg): Update alignment needed.
2711         (ix86_local_alignment): Do not align all local arrays to 128bit.
2712
2713 2010-04-17  Jan Hubicka  <jh@suse.cz>
2714
2715         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2716
2717 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2718
2719         * arm.md (negdi2): Remove redundant code to force values into a
2720         register.
2721
2722 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2723
2724         * arm/bpabi.S: Add EABI alignment attributes to objects.
2725         * arm/bpabi-v6m.S: Likewise.
2726         * arm/crti.asm: Likewise.
2727         * arm/crtn.asm: Likewise.
2728         * arm/lib1funcs.asm: Likewise.
2729         * arm/libunwind.S: Likewise.
2730
2731 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2732
2733         * arm-protos.h (tune_params): New structure.
2734         * arm.c (current_tune): New variable.
2735         (arm_constant_limit): Delete.
2736         (struct processors): Add pointer to the tune parameters.
2737         (arm_slowmul_tune): New tuning option.
2738         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2739         (all_cores): Adjust to pick up the tuning model.
2740         (arm_constant_limit): New function.
2741         (arm_override_options): Select the appropriate tuning model.  Delete
2742         initialization of arm_const_limit.
2743         (arm_split_constant): Use the new constant-limit model.
2744         (arm_rtx_costs): Pick up the current tuning model.
2745         * arm.md (is_strongarm, is_xscale): Delete.
2746         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2747         for Xscale variant architectures.
2748         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2749
2750 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2751
2752         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2753         can_shift.
2754         (arm_rtx_costs_1): Remove unused variable extra_cost.
2755         (arm_unwind_emit_set): Use variable offset.
2756         (thumb1_output_casesi): Remove unused variable flags.
2757
2758 2010-04-16  Jeff Law  <law@redhat.com>
2759
2760         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2761         needing assignment rather than doing a two-phase assignment.  Remove
2762         unused variable 'm'.
2763
2764 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2765
2766         PR bootstrap/43767
2767         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2768
2769 2010-04-16  Doug Kwan  <dougkwan@google.com>
2770
2771         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2772         (next_operand_entry_id): New static variable.
2773         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2774         (add_to_ops_vec): Assigned unique ID to operand entry.
2775         (struct oecount_s): New field ID.
2776         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2777         (undistribute_ops_list): Assign unique IDs to oecounts.
2778         (init_reassoc): reset next_operand_entry_id.
2779
2780 2010-04-16  Doug Kwan  <dougkwan@google.com>
2781
2782         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2783         missing left parenthesis.
2784
2785 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2786
2787         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2788         *btdi_rex64 using SWI48 mode iterator.
2789         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2790         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2791         *jcc_btdi_mask_rex64.
2792
2793 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2794
2795         * double-int.h (tree_to_double_int): Convert to macro.
2796         * double-int.c (tree_to_double_int): Remove.
2797
2798 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2799
2800         PR debug/43762
2801         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2802         with want_address 2 and in case a single element list might be
2803         possible, call it again with want_address 0.
2804
2805 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2806
2807         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2808         case 'W' print operands for HI mode.
2809         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2810         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2811         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2812         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2813
2814         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2815
2816         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2817         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2818         #xx:3 and #xx:4 mode.
2819
2820         * config/h8300/h8300.md (inverted load with HImode dest): Add
2821         support for H8300SX.
2822
2823         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2824         satisfy 'U' constraint.
2825
2826 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2827
2828         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2829         * configure: Regenerate.
2830         * config.in: Regenerate.
2831         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2832         works.
2833
2834 2010-04-16  Richard Guenther  <rguenther@suse.de>
2835
2836         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2837         (struct tree_decl_common): ... here.
2838         (DECL_PT_UID): Adjust.
2839         (SET_DECL_PT_UID): Likewise.
2840         (DECL_PT_UID_SET_P): Likewise.
2841
2842 2010-04-16  Richard Guenther  <rguenther@suse.de>
2843
2844         PR tree-optimization/43572
2845         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2846         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2847         * tree-flow.h (is_call_clobbered): Remove.
2848         * tree-flow-inline.h (is_call_clobbered): Likewise.
2849         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2850         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2851         (execute_return_slot_opt): Adjust.
2852         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2853         check for call clobbered vars here.
2854         (find_tail_calls): Move tailcall verification to the
2855         proper place.
2856
2857 2010-04-16  Diego Novillo  <dnovillo@google.com>
2858
2859         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2860
2861 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2862
2863         PR target/40603
2864         * config/arm/arm.md (cbranchqi4): New pattern.
2865         * config/arm/predicates.md (const0_operand,
2866         cbranchqi4_comparison_operator): New predicates.
2867
2868 2010-04-16  Richard Guenther  <rguenther@suse.de>
2869
2870         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2871         (dump_gimple_stmt): Likewise.
2872
2873 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2874
2875         * recog.h (struct recog_data): New field is_operator.
2876         (struct insn_operand_data): New field is_operator.
2877         * recog.c (extract_insn): Set recog_data.is_operator.
2878         * genoutput.c (output_operand_data): Emit code to set the
2879         is_operator field.
2880         * reload.c (find_reloads): Use it rather than testing for an
2881         empty constraint string.
2882
2883         PR target/41514
2884         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2885         If the previous insn is a cbranchsi4_insn with the same arguments,
2886         omit the compare instruction.
2887
2888         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2889         register, inputs must be low registers and we need a low register
2890         scratch.  Handle alternative 2 like alternative 3.
2891
2892 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2893
2894         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2895         don't call get_addr on both.  If one expression is a VALUE and
2896         the other a REG, check VALUE's locs if the REG isn't among them.
2897
2898 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2899
2900         * config/sh/sh.h (sh_frame_pointer_required): New function.
2901         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2902         (flag_omit_frame_pointer) Set.
2903         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2904         (rounded_frame_size): Adjust size with outgoing_args_size.
2905         (sh_set_return_address): Must return from stack pointer.
2906         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2907         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2908         (ACCUMULATE_OUTGOING_ARGS): Define.
2909         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2910         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2911
2912 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2913
2914         PR target/43471
2915         * config/sh/sh.c (sh_legitimize_reload_address): Use
2916         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2917         Remove a unneeded check for offset_base.
2918
2919 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2920
2921         * configure: Regenerated.
2922
2923 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2924
2925         * config/s390/s390.c (s390_call_save_register_used): Switch back
2926         to HARD_REGNO_NREGS.
2927
2928 2010-04-15  Richard Guenther  <rguenther@suse.de>
2929
2930         * alias.c (alias_set_subset_of): Handle alias-set zero
2931         child properly.
2932
2933 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2934             Julian Brown  <julian@codesourcery.com>
2935
2936         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2937         alternatives according to use of high and low regs.
2938         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2939         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2940         optimizing for size on Thumb-2.
2941
2942 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2943
2944         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2945
2946 2010-04-15  Richard Guenther  <rguenther@suse.de>
2947
2948         * tree-ssa-structalias.c (struct variable_info): Add
2949         is_fn_info flag.
2950         (new_var_info): Initialize it.
2951         (dump_constraints): Support printing last added constraints.
2952         (debug_constraints): Adjust.
2953         (dump_constraint_graph): Likewise.
2954         (make_heapvar_for): Check for NULL cfun.
2955         (get_function_part_constraint): New function.
2956         (get_fi_for_callee): Likewise.
2957         (find_func_aliases): Properly implement IPA PTA constraints.
2958         (process_ipa_clobber): New function.
2959         (find_func_clobbers): Likewise.
2960         (insert_into_field_list_sorted): Remove.
2961         (create_function_info_for): Properly allocate vars for IPA mode.
2962         Do not use insert_into_field_list_sorted.
2963         (create_variable_info_for): Properly generate constraints for
2964         global vars in IPA mode.
2965         (dump_solution_for_var): Always dump the solution.
2966         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2967         (find_what_var_points_to): Adjust.
2968         (pt_solution_set): Change.
2969         (pt_solution_ior_into): New function.
2970         (pt_solution_empty_p): Export.
2971         (pt_solution_includes_global): Adjust.
2972         (pt_solution_includes_1): Likewise.
2973         (pt_solutions_intersect_1): Likewise.
2974         (dump_sa_points_to_info): Check some invariants.
2975         (solve_constraints): Move constraint dumping ...
2976         (compute_points_to_sets): ... here.
2977         (ipa_pta_execute): ... and here.
2978         (compute_may_aliases): Do not re-compute points-to info
2979         locally if IPA info is available.
2980         (ipa_escaped_pt): New global var.
2981         (ipa_pta_execute): Properly implement IPA PTA.
2982         * tree-into-ssa.c (dump_decl_set): Support dumping
2983         decls not in referenced-vars.
2984         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2985         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2986         (dump_points_to_solution): Likewise.
2987         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2988         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2989         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2990         (copy_decl_to_var): Copy DECL_PT_UID.
2991         (copy_result_decl_to_var): Likewise.
2992         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2993         (copy_node_stat): Copy it.
2994         * tree.h (DECL_PT_UID): New macro.
2995         (SET_DECL_PT_UID): Likewise.
2996         (DECL_PT_UID_SET_P): Likewise.
2997         (struct tree_decl_minimal): Add pt_uid member.
2998         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2999         (pt_solution_empty_p): Declare.
3000         (pt_solution_set): Adjust.
3001         (ipa_escaped_pt): Declare.
3002         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3003         * gimple-pretty-print.c (pp_points_to_solution): New function.
3004         (dump_gimple_call): Dump call clobber/use information.
3005         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3006         * tree-pass.h (TDF_ALIAS): New dump option.
3007         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3008         * doc/invoke.texi (-fipa-pta): Update documentation.
3009
3010 2010-04-15  Richard Guenther  <rguenther@suse.de>
3011
3012         * Makefile.in (OBJS-common): Add gimple-fold.o.
3013         (gimple-fold.o): New rule.
3014         * tree.h (maybe_fold_offset_to_reference,
3015         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3016         prototypes ...
3017         * gimple.h: ... here.
3018         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3019         may_propagate_address_into_dereference): Move prototypes ...
3020         * gimple.h: ... here.
3021         * tree-ssa-ccp.c (get_symbol_constant_value,
3022         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3023         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3024         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3025         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3026         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3027         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3028         gimplify_and_update_call_from_tree): Move ...
3029         * gimple-fold.c: ... here.  New file.
3030         (ccp_fold_builtin): Rename to ...
3031         (gimple_fold_builtin): ... this.
3032         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3033
3034 2010-04-15  Richard Guenther  <rguenther@suse.de>
3035
3036         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3037         fit_double_type, force_fit_type_double, add_double_with_sign,
3038         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3039         lrotate_double, rrotate_double, div_and_round_double): Move ...
3040         * double-int.c: ... here.
3041         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3042         add_double, neg_double, mul_double_with_sign, mul_double,
3043         lshift_double, rshift_double, lrotate_double, rrotate_double,
3044         div_and_round_double): Move prototypes ...
3045         * double-int.h: ... here.
3046
3047 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3048
3049         PR target/43742
3050         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3051         matching constraints to ensure inputs match the output.
3052
3053 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3054
3055         PR target/43742
3056         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3057         in an input-only operand.
3058
3059 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3060
3061         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3062         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3063         (double_int_negative_p): Convert to static inline function.
3064         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3065         (double_int_negative_p): Remove.
3066         * tree.h (lshift_double, rshift_double):
3067         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3068         * fold-const.c (fold_convert_const_int_from_real,
3069         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3070         (lshift_double): Change type of arith argument to bool.
3071         (rshift_double): Change type of arith argument to bool. Correct
3072         comment.
3073         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3074
3075 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3076
3077         PR target/21803
3078         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3079         at the start and end of the then/else blocks, and omit them from the
3080         conversion.
3081         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3082         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3083         (flow_find_head_matching_sequence): New function.
3084         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3085         * basic-block.h (flow_find_cross_jump,
3086         flow_find_head_matching_sequence): Declare functions.
3087
3088 2010-04-14  Jason Merrill  <jason@redhat.com>
3089
3090         PR c++/36625
3091         * c-common.c (attribute_takes_identifier_p): New fn.
3092         * c-common.h: Declare it.
3093
3094 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3095
3096         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3097         splitter condition.
3098         (*udivmod<mode>4): Ditto.
3099
3100 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3101
3102         * config/i386/i386.md (maxmin_int): Rename code attribute from
3103         maxminiprefix and update all users.
3104         (maxmin_float): Ditto from maxminfprefix.
3105         (logic): Ditto from logicprefix.
3106         (absneg_mnemonic): Ditto from absnegprefix.
3107         * config/i386/mmx.md: Update all users of maxminiprefix,
3108         maxminfprefix and logicprefix for rename.
3109         * config/i386/sse.md: Ditto.
3110         * config/i386/sync.md (sync_<code><mode>): Update for
3111         logicprefix rename.
3112
3113 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3114
3115         PR 42966
3116         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3117         warnings converted to errors.
3118
3119 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3122         used insn_type variable.
3123         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3124         to avoid set-but-not-used warning.
3125
3126 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         * df-core.c (df_ref_debug): Change format string placeholder
3129         from 0x%x to %#x.
3130         * dwarf2asm.c (dw2_asm_output_data_raw,
3131         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3132         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3133         * dwarf2out.c (output_cfi, output_cfi_directive,
3134         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3135         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3136         Ditto.
3137         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3138         * print-rtl.c (print_rtx): Ditto.
3139
3140 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3141
3142         PR middle-end/42694
3143         * builtins.c (expand_builtin_pow_root): New function to expand pow
3144         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3145         series of sqrt and cbrt calls under -ffast-math.
3146         (expand_builtin_pow): Call it.
3147
3148 2010-04-14  Michael Matz  <matz@suse.de>
3149
3150         PR tree-optimization/42963
3151         * tree-cfg.c (touched_switch_bbs): New static variable.
3152         (group_case_labels_stmt): New function broken out from ...
3153         (group_case_labels): ... here, use the above.
3154         (start_recording_case_labels): Allocate touched_switch_bbs.
3155         (end_recording_case_labels): Deallocate it, call
3156         group_case_labels_stmt.
3157         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3158
3159 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3162         from insn template.
3163
3164 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3165
3166         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3167
3168 2010-04-13  Jan Hubicka  <jh@suse.cz>
3169
3170         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3171         of optimized out static functions.
3172         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3173         cost computation.  Also sanity check for overflows.
3174         (update_caller_keys): Update cgraph_edge_badness call; properly
3175         update fibheap and sanity check that it is up to date.
3176         (add_new_edges_to_heap): Update cgraph_edge_badness.
3177         (cgraph_decide_inlining_of_small_function): Likewise;
3178         add sanity checking that badness in heap is up to date;
3179         improve dumping of reason; Update badness of calls to the
3180         offline copy of function currently inlined; dump badness
3181         of functions not inlined because of unit growth limits.
3182
3183 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3184
3185         PR middle-end/32628
3186         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3187         because of sign-extension change when converting to sizetype here...
3188         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3189
3190         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3191         the folding to constants.  Remove redundant final conversion.
3192         (fold_binary) <associate>: Do not associate if the re-association of
3193         constants alone overflows.
3194         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3195         to the end of the list.
3196         (multiple_of_p) <COND_EXPR>: New case.
3197
3198 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3199
3200         * opt-functions.awk (opt_sanitized_name): New.
3201         (opt_enum): New.
3202         * optc-gen.awk: Use it
3203         * opth-gen.awk: Use it.
3204
3205 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3206
3207         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3208         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3209         children.  Call replace_uses_with_default_def_ssa_name to handle
3210         SSA_NAES on lhs.
3211
3212 2010-04-13  Michael Matz  <matz@suse.de>
3213
3214         PR middle-end/43730
3215         * builtins.c (expand_builtin_interclass_mathfn): Also create
3216         a register if the predicate doesn't match.
3217
3218 2010-04-13  Diego Novillo  <dnovillo@google.com>
3219
3220         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3221         * c-pch.c: Include timevar.h.
3222         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3223         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3224         * ggc-common.c: Include timevar.h.
3225         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3226         * timevar.def (TV_PCH_SAVE): Define.
3227         (TV_PCH_CPP_SAVE): Define.
3228         (TV_PCH_PTR_REALLOC): Define.
3229         (TV_PCH_PTR_SORT): Define.
3230         (TV_PCH_RESTORE): Define.
3231         (TV_PCH_CPP_RESTORE): Define.
3232
3233 2010-04-13  Michael Matz  <matz@suse.de>
3234
3235         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3236         into MINUS_EXPRs.
3237         (can_reassociate_p): New function.
3238         (break_up_subtract_bb, reassociate_bb): Use it.
3239
3240 2010-04-13  Richard Guenther  <rguenther@suse.de>
3241
3242         PR bootstrap/43737
3243         * builtins.c (c_readstr): Fix assert.
3244
3245 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3246
3247         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3248         when generating cltd insn.
3249
3250         (*ashl<mode>3_1): Remove special handling for register operand 2.
3251         (*ashlsi3_1_zext): Ditto.
3252         (*ashlhi3_1): Ditto.
3253         (*ashlhi3_1_lea): Ditto.
3254         (*ashlqi3_1): Ditto.
3255         (*ashlqi3_1_lea): Ditto.
3256         (*<shiftrt_insn><mode>3_1): Ditto.
3257         (*<shiftrt_insn>si3_1_zext): Ditto.
3258         (*<shiftrt_insn>qi3_1_slp): Ditto.
3259         (*<rotate_insn><mode>3_1): Ditto.
3260         (*<rotate_insn>si3_1_zext): Ditto.
3261         (*<rotate_insn>qi3_1_slp): Ditto.
3262
3263 2010-04-13  Richard Guenther  <rguenther@suse.de>
3264
3265         * tree-ssa-structalias.c (callused_id): Remove.
3266         (call_stmt_vars): New.
3267         (get_call_vi): Likewise.
3268         (lookup_call_use_vi): Likewise.
3269         (lookup_call_clobber_vi): Likewise.
3270         (get_call_use_vi): Likewise.
3271         (get_call_clobber_vi): Likewise.
3272         (make_transitive_closure_constraints): Likewise.
3273         (handle_const_call): Adjust to do per-call call-used handling.
3274         (handle_pure_call): Likewise.
3275         (find_what_var_points_to): Remove general callused handling.
3276         (init_base_vars): Likewise.
3277         (init_alias_vars): Initialize call_stmt_vars.
3278         (compute_points_to_sets): Process call-used and call-clobbered
3279         vars for call statements.
3280         (delete_points_to_sets): Free call_stmt_vars.
3281
3282 2010-04-13  Richard Guenther  <rguenther@suse.de>
3283
3284         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3285         Only add RW dependence for dependence distance zero.
3286         Adjust maximal vectorization factor according to dependences.
3287         Move alignment handling ...
3288         (vect_find_same_alignment_drs): ... here.  New function.
3289         (vect_analyze_data_ref_dependences): Adjust.
3290         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3291         (vect_analyze_data_refs): Adjust minimal vectorization factor
3292         according to data references.
3293         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3294         dependences before determining the vectorization factor.
3295         Analyze alignment after determining the vectorization factor.
3296         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3297         dependences before alignment.
3298         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3299         Adjust prototype.
3300         (vect_analyze_data_refs): Likewise.
3301         (MAX_VECTORIZATION_FACTOR): New define.
3302
3303 2010-04-13  Duncan Sands  <baldrick@free.fr>
3304
3305         * except.h (lang_eh_type_covers): Remove.
3306         * except.c (lang_eh_type_covers): Likewise.
3307
3308 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3309             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3310
3311         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3312         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3313         UNITS_PER_LONG where it is ABI relevant.
3314         (s390_return_addr_rtx): Likewise.
3315         (s390_back_chain_rtx): Likewise.
3316         (s390_frame_area): Likewise.
3317         (s390_frame_info): Likewise.
3318         (s390_initial_elimination_offset): Likewise.
3319         (save_gprs): Likewise.
3320         (s390_emit_prologue): Likewise.
3321         (s390_emit_epilogue): Likewise.
3322         (s390_function_arg_advance): Likewise.
3323         (s390_function_arg): Likewise.
3324         (s390_va_start): Likewise.
3325         (s390_gimplify_va_arg): Likewise.
3326         (s390_function_profiler): Likewise.
3327         (s390_optimize_prologue): Likewise.
3328         (s390_rtx_costs): Likewise.
3329         (s390_secondary_reload): Likewise.
3330         (s390_promote_function_mode): Likewise.
3331         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3332         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3333         registers available.
3334         (s390_unwind_word_mode): New function.
3335         (s390_function_value): Split 64 bit values into register pair if
3336         used as return value.
3337         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3338         function call parameters.  Handle parallels.
3339         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3340         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3341         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3342         (s390_expand_setmem): Remove unused variable src_addr.
3343         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3344         deal with 64 bit registers.
3345         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3346         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3347         (UNITS_PER_LONG): New macro.
3348         * libjava/include/s390-signal.h: Define extended ucontext
3349         structure containing the upper halfs of the 64 bit registers.
3350
3351 2010-04-13  Simon Baldwin  <simonb@google.com>
3352
3353         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3354
3355 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3356
3357         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3358         rvalue on the RHS if the LHS is of a non-renamable type.
3359         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3360
3361 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3362
3363         * gcc.c (cc1_options): Handle -iplugindir before processing
3364         the cc1 spec. Only add -iplugindir once.
3365         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3366         found.
3367         * common.opt (iplugindir): Remove `Separate' property, initialize.
3368         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3369         option.
3370         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3371         (distclean): Remove plugin dir.
3372         * doc/invoke.texi: Document -iplugindir.
3373
3374 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3375
3376         * doc/plugins.texi (Loading Plugins): Document short
3377         -fplugin=foo option.
3378         (Plugin API): Mention default_plugin_dir_name function.
3379
3380         * gcc.c (find_file_spec_function): Add new declaration.
3381         (static_spec_func): Use it for "find-file".
3382         (find_file_spec_function): Add new function.
3383         (cc1_options): Add -iplugindir option if -fplugin* options found.
3384
3385         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3386
3387         * plugin.c (add_new_plugin): Updated comment, and handle short
3388         plugin name.
3389         (default_plugin_dir_name): Added new function.
3390
3391         * common.opt (iplugindir): New option to set the plugin directory.
3392
3393 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3394
3395         * config/i386/i386.md (any_rotate): New code iterator.
3396         (rotate_insn): New code attribute.
3397         (rotate): Ditto.
3398         (SWIM124): New mode iterator.
3399         (<rotate_insn>ti3): New expander.
3400         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3401         any_rotate code iterator.
3402         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3403         using any_rotate code iterator and SWIM124 mode iterator.
3404         (ix86_rotlti3): New insn_and_split pattern.
3405         (ix86_rotrti3): Ditto.
3406         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3407         ix86_rotl{di,ti}3 patterns.
3408         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3409         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3410         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3411         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3412         code iterator and SWI mode iterator.
3413         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3414         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3415         code iterator.
3416         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3417         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3418         (bswap rotatert splitter): Add splitter.
3419         (bswap splitter): Macroize splitter using any_rotate code iterator.
3420         Add insn predicate to split only for TARGET_USE_XCHGB or when
3421         optimizing function for size.
3422
3423 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3424
3425         * config/pa/pa.c (emit_move_sequence): Remove use of
3426         deleted variable flag_argument_noalias.
3427
3428 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3429
3430         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3431         configurations.
3432         Add to unsupported targets list.
3433         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,