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* c-common.c (sync_resolve_params): Remove write-only variable.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2             Nathan Froyd  <froydnj@codesourcery.com>
3
4         * c-common.c (sync_resolve_params): Remove write-only variable.
5
6 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
7
8         * target.h (struct gcc_target): Add mode_dependent_address_p field.
9         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
10         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
11         * targhooks.c (default_mode_dependent_address_p): New function.
12         * targhooks.h (default_mode_dependent_address_p): Declare function.
13         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
14         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
15         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
16         target hook. Change return type to bool.
17         * recog.h: (mode_dependent_address_p): Change return type to bool.
18
19 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
20             Nathan Froyd  <froydnj@codesourcery.com>
21
22         * tree-mudflap.c (build_function_type_0, build_function_type_1,
23         build_function_type_2, build_function_type_3): Remove.
24         (mudflap_init): Use build_function_type_list.
25
26 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
27             Nathan Froyd  <froydnj@codesourcery.com>
28
29         * coverage.c (build_fn_info_value): Call build_constructor instead of
30         build_constructor_from_list.
31         (build_ctr_info_value): Likewise.
32         (build_gcov_info): Likewise.
33
34 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
35
36         * tree.c (build_constructor): Compute TREE_CONSTANT for the
37         resultant constructor.
38         (build_constructor_single): Don't set TREE_CONSTANT.
39         (build_constructor_from_list): Don't compute TREE_CONSTANT.
40
41 2010-05-12  Jan Hubicka  <jh@suse.cz>
42
43         * cgraph.h (struct varpool_node): Add aux.
44         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
45         * varpool.c (varpool_remove_node): Do not remove initializer.
46         (varpool_reset_queue): Export.
47         (varpool_finalize_decl): Volatile vars are forced to be output.
48         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
49         replaced decl.
50         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
51         process_references, varpool_can_remove_if_no_refs): New functions.
52         (cgraph_remove_unreachable_nodes): Handle variables too.
53
54 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
55
56         PR target/44088
57         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
58
59 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
60
61         PR middle-end/44085
62         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
63         change value of ORT_TASK.
64         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
65         (omp_notice_threadprivate_variable): New function.
66         (omp_notice_variable): Call it for threadprivate variables.
67         If enclosing ctx is a task, print enclosing task rather than
68         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
69         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
70         if task has untied clause.
71
72         PR debug/42278
73         * dwarf2out.c (base_type_die): Don't add name attribute here.
74         (modified_type_die): Instead of sizetype use
75         its underlying original type.  If a DW_TAG_base_type doesn't
76         have name added, add __unknown__.
77         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
78         always call force_type_die instead.
79
80 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
81
82         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
83         for __stack_chk_guard.
84
85 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
86
87         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
88         don't call start_source_file debug hook here...
89         (finish_options): ... but here, after outputting predefined and
90         command line defines and undefs.
91
92         PR middle-end/44071
93         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
94         no fallthru edge.
95         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
96         optimizing away empty bb with no successors, move over its
97         footer chain to fallthru predecessor.
98         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
99         (rtl_split_edge): For asm goto call patch_jump_insn even if
100         splitting fallthru edge.
101
102         PR c++/44059
103         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
104         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
105         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
106         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
107         on DW.ref.* decls.
108
109         PR c++/44062
110         * c-parser.c (c_parser_expression): Mark LHS of a comma
111         expression as read if it is a decl, handled component or
112         COMPOUND_EXPR with that on the RHS.
113         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
114         if it is a decl or handled component.
115
116 2010-05-11  Jan Hubicka  <jh@suse.cz>
117
118         * lto-symtab.c (lto_symtab_free): New function.
119         * lto-streamer.h (lto_symtab_free): Declare.
120
121 2010-05-11  Jan Hubicka  <jh@suse.cz>
122
123         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
124         that if function is needed it is reachable.
125         (lto_output_node): See if it the function is reachable or referenced.
126         (output_cgraph): Update call of lto_output_node.
127         * lto-streamer.h (reachable_from_other_partition_p): Declare.
128
129 2010-05-11  Jan Hubicka  <jh@suse.cz>
130
131         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
132         Mark as used.
133
134 2010-05-11  Jan Hubicka  <jh@suse.cz>
135
136         PR tree-optimize/44063
137         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
138         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
139         limits.
140         (estimate_function_body_sizes): Compute sizes even when disregarding.
141
142 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
143
144         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
145
146 2010-05-11  Jan Hubicka  <jh@suse.cz>
147
148         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
149         into every boundary.
150
151 2010-05-11  Jan Hubicka  <jh@suse.cz>
152
153         * matrix-reorg.c (matrix_reorg): Rebuild edges.
154
155 2010-05-11  Jan Hubicka  <jh@suse.cz>
156
157         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
158         lto_streamer_cache_delete): Put nodes into heap.
159         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
160         heap.
161
162 2010-05-11  Jan Hubicka  <jh@suse.cz>
163
164         * cgraphbuild.c (cgraph_rebuild_references): New.
165         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
166         out extern inlines.
167         * cgraph.h (cgraph_rebuild_references): Declare.
168         * tree-inline.c (tree_function_versioning): Use it.
169         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
170
171 2010-05-11  Jan Hubicka  <jh@suse.cz>
172
173         * cgraph.c: Include ipa-utils.h
174         (cgraph_create_virtual_clone): Update references.
175         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
176
177 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
178
179         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
180         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
181         cache size.
182
183 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
184
185         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
186
187 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
188
189         * gcc.c (execute): For -### don't quote arguments that
190         contain just alphanumerics and _/-. characters.
191         * doc/invoke.texi: Document that change for -###.
192
193         PR debug/44023
194         * df-problems.c (struct dead_debug): Add to_rescan field.
195         (dead_debug_init): Clear to_rescan field.
196         (dead_debug_finish): Rescan all debug insns in to_rescan
197         bitmap and free the bitmap.
198         (dead_debug_insert_before): Instead of rescanning debug insns
199         immediately queue their rescanning until dead_debug_finish.
200         (df_note_bb_compute): After dead_debug_add do continue instead
201         of break.
202
203 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
204
205         PR debug/44028
206         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
207         clear also INSN_REG_USE_LIST.
208
209 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
210
211         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
212
213 2010-05-10  Jan Hubicka  <jh@suse.cz>
214
215         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
216
217 2010-05-10  Jan Hubicka  <jh@suse.cz>
218
219         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
220         encoders.
221         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
222         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
223         (lto_streamer_cache_create): Init alloc pool.
224         (lto_streamer_cache_delete): Free alloc pool.
225         * lto-streamer.h: Include alloc pool.
226         (lto_streamer_cache_d): Use alloc pool.
227         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
228
229 2010-05-10  Jan Hubicka  <jh@suse.cz>
230
231         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
232         * cgraphbuild.c: Include except.h
233         (record_type_list, record_eh_tables): New function.
234         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
235
236 2010-05-10  Jan Hubicka  <jh@suse.cz>
237
238         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
239         __frame_dummy_init_array_entry, force_to_data): Attribute as used
240         rather than unused.
241
242 2010-05-10  Michael Matz  <matz@suse.de>
243
244         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
245         (can_reassociate_p): Use FLOAT_TYPE_P.
246         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
247         (vect_force_simple_reduction): ... this.
248         * tree-parloops.c (gather_scalar_reductions): Use
249         vect_force_simple_reduction.
250         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
251         vect_is_simple_reduction, add modify argument, if true rewrite
252         "a-b" into "a+(-b)".
253         (vect_is_simple_reduction, vect_force_simple_reduction): New
254         functions.
255         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
256
257 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
258             Vladimir Makarov  <vmakarov@redhat.com>
259
260         PR rtl-optimization/44012
261         * ira-build.c (remove_unnecessary_allocnos): Nullify
262         regno_allocno_map of the removed allocno.
263
264 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
265
266         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
267         to /dev/null.
268         * configure: Regenerate.
269
270 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
271
272         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
273         unused.
274         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
275         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
276         support in Sun ld.
277         * configure: Regenerate.
278
279 2010-05-10  Richard Guenther  <rguenther@suse.de>
280
281         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
282         marked if the entry identifier is marked.
283
284 2010-05-10  Richard Guenther  <rguenther@suse.de>
285
286         * c-common.c (struct c_common_attributes): Add fnspec attribute.
287         (handle_fnspec_attribute): New function.
288         * gimple.h (gimple_call_return_flags): Declare.
289         (gimple_call_arg_flags): Likewise.
290         * gimple.c (gimple_call_arg_flags): New function.
291         (gimple_call_return_flags): Likewise.
292         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
293         New argument flags.
294         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
295         return value flags.
296         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
297         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
298         main work to ...
299         (make_heapvar_for): ... this new function.
300         (handle_rhs_call): Handle fnspec attribute argument specifiers.
301         (handle_lhs_call): Likewise.
302         (find_func_aliases): Adjust.
303
304 2010-05-10  Richard Guenther  <rguenther@suse.de>
305
306         PR tree-optimization/44050
307         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
308
309 2010-05-10  Wei Guozhi  <carrot@google.com>
310
311         PR target/42879
312         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
313
314 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
315
316         PR c/10676
317         * c-typeck.c (lookup_field): Take a type directly.  Update
318         recursive calls.
319         (build_component_ref): Update call to lookup_field.
320         (set_init_label): Use lookup_field to find initialized field.
321         Handle returned list of fields like a sequence of designators.
322
323 2010-05-09  Richard Guenther  <rguenther@suse.de>
324
325         PR middle-end/44024
326         * fold-const.c (tree_single_nonzero_warnv_p): Properly
327         handle &FUNCTION_DECL.
328
329 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
330
331         PR c/4784
332         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
333         structures and unions recursively.
334         (detect_field_duplicates): Move duplicate detection with a hash to
335         detect_field_duplicates_hash.  Always use a hash if anonymous
336         structures or unions are present.
337         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
338         give errors.
339
340 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
341
342         PR target/44046
343         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
344         detect Atom, Core 2 and Core i7.
345
346 2010-05-09  Richard Guenther  <rguenther@suse.de>
347
348         * gcc.c (store_arg): Handle temporary file deletion for
349         joined arguments.
350
351 2010-05-09  Richard Guenther  <rguenther@suse.de>
352
353         PR middle-end/44043
354         * ipa-inline.c (estimate_function_body_sizes): Return after
355         disregarding inline limits.
356
357 2010-05-09  Richard Guenther  <rguenther@suse.de>
358
359         * gcc.c (store_arg): Revert last change.
360
361 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
362
363         PR middle-end/28685
364         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
365         (optimize_ops_list): Call it.
366
367 2010-05-08  Richard Guenther  <rguenther@suse.de>
368
369         PR tree-optimization/44030
370         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
371         NECESSARY flag if we propagate from a inserted expression.
372
373 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
374
375         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
376         domain types as equal if they are both PLACEHOLDER_EXPRs.
377
378 2010-05-08  Richard Guenther  <rguenther@suse.de>
379
380         * lto-wrapper.c (run_gcc): Remove linker output from
381         command line for LTRANS invocation.
382
383 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
384
385         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
386         lto-macho as lto_binary_reader.
387         * target.h (struct gcc_target): New hooks lto_start and lto_end.
388         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
389         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
390         in lto_start and lto_end calls.
391         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
392         magic numbers.
393         (scan_prog_file): Update is_elf_or_coff call.
394         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
395
396         * collect2.c (main): Fix enum comparison.
397
398         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
399         Add prototypes.
400         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
401         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
402         and TARGET_ASM_LTO_END.
403         * darwin.c: Include obstack.h and lto-streamer.h.
404         (lto_section_names_offset, lto_section_names_obstack,
405         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
406         global variables.
407         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
408         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
409         to a temporary file.
410         (darwin_asm_lto_end): New function.  Restore asm_out_file.
411         (darwin_asm_named_section): For LTO sections, replace the name with
412         the offset of the section name in a string table, and build this
413         table.
414         (darwin_file_start): Initialize global vars for LTO support.
415         (darwin_file_end): If output to asm_out_file was redirected, append it
416         to the proper asm_out_file here.  Add the section names section.
417
418 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
419
420         * c-pragma.c (pending_weak_d, pending_weak): New.
421         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
422         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
423         handle_pragma_weak): Update the uses of pending_weaks.
424
425 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
426
427         PR documentation/44016
428         * doc/standards.texi (Standards): Link to unversioned
429         cxx0x_status.html page.
430
431 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
432
433         PR target/43708
434         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
435         in addition to TREE_USED, to avoid "set but unused" warnings.
436
437 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
438
439         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
440         (is_loop_prefetching_profitable): Do not insert prefetches
441         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
442         times the prefetch ahead distance.
443
444 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
445
446         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
447         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
448         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
449         the unroll_factor.
450
451 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
452
453         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
454         a diagnostic info when the insn-to-mem ratio is too small.
455
456 2010-05-07  Richard Guenther <rguenther@suse.de>
457
458         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
459         the linker plugin.
460         (store_arg): Queue temp_filename for deletion instead of
461         the whole argument.
462
463 2010-05-07  Richard Guenther  <rguenther@suse.de>
464
465         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
466         (run_gcc): Handle LTRANS phase invocation.
467         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
468
469 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
470
471         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
472         this is also meaningful on PARM_DECLs and RESULT_DECLs.
473
474 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
475
476         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
477
478 2010-05-07  Richard Guenther  <rguenther@suse.de>
479
480         PR tree-optimization/44020
481         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
482         code when PRE is not yet initialized.
483
484 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
485
486         * config/mips/dbxmdebug.h: Remove.
487         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
488
489 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
490
491         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
492         with null pointer and also warn about ordered comparison of zero with
493         pointer if -Wextra.
494
495 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
496
497         * graphite-blocking.c
498         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
499         * graphite-clast-to-gimple.c
500         (clast_to_gcc_expression): Same.
501         (precision_for_value): Same.
502         (precision_for_interval): Same.
503         (gcc_type_for_interval): Same.
504         (graphite_create_new_guard): Same.
505         (compute_bounds_for_level): Same.
506         (graphite_create_new_loop_guard): Same.
507         * graphite-interchange.c
508         (build_linearized_memory_access): Same.
509         (pdr_stride_in_loop): Same.
510         (memory_strides_in_loop_1): Same.
511         (memory_strides_in_loop): Same.
512         (extend_scattering): Same.
513         (psct_scattering_dim_for_loop_depth): Same.
514         (pbb_number_of_iterations): Same.
515         * graphite-poly.h
516         (debug_iteration_domains): Same.
517         * graphite-ppl.c
518         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
519         (ppl_set_inhomogeneous_gmp): Same.
520         (ppl_strip_loop): Same.
521         (ppl_lexico_compare_linear_expressions): Same.
522         (ppl_read_polyhedron_matrix): Same.
523         (ppl_max_for_le_pointset): Same.
524         * graphite-ppl.h
525         (ppl_read_polyhedron_matrix): Same.
526         (tree_int_to_gmp): Same.
527         (gmp_cst_to_tree): Same.
528         (ppl_set_inhomogeneous): Same.
529         (ppl_set_inhomogeneous_tree): Same.
530         (ppl_set_coef): Same.
531         (ppl_set_coef_tree): Same.
532         * graphite-sese-to-poly.c
533         (build_pbb_scattering_polyhedrons): Same.
534         (build_scop_scattering): Same.
535         (scan_tree_for_params_right_scev): Same.
536         (scan_tree_for_params): Same.
537         (find_params_in_bb): Same.
538         (find_scop_parameters): Same.
539         (add_upper_bounds_from_estimated_nit): Same.
540         (build_loop_iteration_domains): Same.
541         (add_condition_to_domain): Same.
542         (pdr_add_memory_accesses): Same.
543
544 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
545
546         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
547         CLooG's value_* macros to their respective mpz_* counterparts.
548         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
549         (graphite_create_new_loop_guard): Same.
550         * graphite-interchange.c (build_linearized_memory_access): Same.
551         (pdr_stride_in_loop): Same.
552         (memory_strides_in_loop_1): Same.
553         (1st_interchange_profitable_p): Same.
554         * graphite-poly.c (extend_scattering): Same.
555         (psct_scattering_dim_for_loop_depth): Same.
556         (pbb_number_of_iterations): Same.
557         (pbb_number_of_iterations_at_time): Same.
558         * graphite-poly.h (new_1st_loop): Same.
559         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
560         (oppose_constraint): Same.
561         (insert_constraint_into_matrix): Same.
562         (ppl_set_inhomogeneous_gmp): Same.
563         (ppl_set_coef_gmp): Same.
564         (ppl_strip_loop): Same.
565         (ppl_lexico_compare_linear_expressions): Same.
566         (ppl_max_for_le_pointset): Same.
567         (ppl_min_for_le_pointset): Same.
568         (ppl_build_realtion): Same.
569         * graphite-ppl.h (gmp_cst_to_tree): Same.
570         (ppl_set_inhomogeneous): Same.
571         (ppl_set_inhomogeneous_tree): Same.
572         (ppl_set_coef): Same.
573         (ppl_set_coef_tree): Same.
574         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
575         (build_scop_scattering): Same.
576         (add_value_to_dim): Same.
577         (scan_tree_for_params_right_scev): Same.
578         (scan_tree_for_params_int): Same.
579         (scan_tree_for_params): Same.
580         (find_params_in_bb): Same.
581         (find_scop_parameters): Same.
582         (add_upper_bounds_from_estimated_nit): Same.
583         (build_loop_iteration_domains): Same.
584         (create_linear_expr_from_tree): Same.
585         (add_condition_to_domain): Same.
586         (pdr_add_memory_accesses): Same.
587
588 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
589             Jason Merrill  <jason@redhat.com>
590
591         * c-common.c (c_common_reswords): Add nullptr.
592         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
593         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
594         (gen_type_die_with_usage): Likewise.
595         * dbxout.c (dbxout_type): Likewise.
596         * sdbout.c (plain_type_1): Likewise.
597
598 2010-05-06  Jason Merrill  <jason@redhat.com>
599
600         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
601         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
602         ret appropriately.
603         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
604
605         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
606         stripping WITH_SIZE_EXPR.
607         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
608         change.
609
610 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
611
612         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
613         list of obsolete configurations.
614         Disabled check for obsolete configurations.
615         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
616         Removed support for previous versions.
617         * config/mips/iris.h: Removed.
618         * config/mips/iris5.h: Removed.
619         * config/mips/iris6.h: Merged old iris.h contents.
620         (TARGET_IRIX): Removed.
621         (DRIVER_SELF_SPECS): Removed mabi=32.
622         (IDENT_ASM_OP): Removed undef.
623         (STARTFILE_SPEC): Removed mabi=32.
624         (ENDFILE_SPEC): Likewise.
625         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
626         (MACHINE_TYPE): Update for IRIX 6.5.
627         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
628         TARGET_IRIX by TARGET_IRIX6.
629         (mips_file_start): Likewise.
630         (mips_output_external): Remove IRIX 5/6 O32 support.
631         (mips_output_function_prologue): Likewise.
632         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
633         TARGET_IRIX6.
634         (TARGET_CPU_CPP_BUILTINS): Likewise.
635         (TARGET_IRIX): Removed.
636         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
637         (MULTILIB_DIRNAMES): Removed 32.
638         (MULTILIB_OSDIRNAMES): Removed ../lib.
639         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
640         (Specific, mips-sgi-irix5): Document removal.
641         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
642         Remove references to older IRIX 6 releases and the O32 ABI.
643
644 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
645
646         PR bootstrap/43994
647         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
648         instead of DF_REF_REAL_REG.
649
650 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
651
652         PR target/43888
653         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
654         handling to still return true for x64 targets.
655
656 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
657
658         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
659
660 2010-05-06  Jan Hubicka  <jh@suse.cz>
661
662         PR tree-optimization/43791
663         * ipa-inline.c (update_caller_keys): Remove bogus
664         disregard_inline_limits check.
665
666 2010-05-06  Michael Matz  <matz@suse.de>
667
668         PR tree-optimization/43984
669         * tree-ssa-pre.c (inserted_phi_names): Remove.
670         (inserted_exprs): Change to bitmap.
671         (create_expression_by_pieces): Set bits, don't append to vector.
672         (insert_into_preds_of_block): Don't handle inserted_phi_names.
673         (eliminate): Don't look at inserted_phi_names, remove deleted
674         insns from inserted_exprs.
675         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
676         (init_pre, fini_pre): Allocate and free bitmaps.
677         (execute_pre): Insert insns on edges before elimination.
678
679 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
680
681         * tree.c (initializer_zerop): Handle STRING_CST.
682
683 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
684
685         PR 40989
686         * doc/invoke.texi (Wimplicit): Document as C only.
687         * opts.c (common_handle_option): Add argument kind.
688         (handle_option): Rename as read_cmdline_option. Factor out code to...
689         (handle_option): ... here. New.
690         (handle_options): Rename as read_cmdline_options.
691         (decode_options): Update call.
692         (set_option): Use option index instead of option pointer. Classify
693         diagnostics correctly.
694         (enable_warning_as_error): Call handle_option.
695         * opts.h (set_option): Update declaration.
696         (handle_option): Declare.
697         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
698         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
699         * c-opts.c (set_Wimplicit): Delete.
700         (c_family_lang_mask): New static constant.
701         (c_common_handle_option): Add argument kind. Use handle_option
702         instead of set_Wimplicit.
703         (c_common_post_options): warn_implicit and warn_implicit_int
704         are disabled by default.
705         * c-common.c (warn_implicit): Do not define here.
706         * c-common.h (warn_implicit): Do not declare here.
707         (c_common_handle_option): Update declaration.
708         * lto-opts.c (lto_reissue_options): Update call to set_option.
709
710 2010-05-06  Richard Guenther  <rguenther@suse.de>
711
712         PR tree-optimization/43571
713         * domwalk.c (walk_dominator_tree): Walk the dominator
714         sons in more optimal order.
715
716 2010-05-06  Richard Guenther  <rguenther@suse.de>
717
718         PR tree-optimization/43934
719         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
720         (stmt_cost): Likewise.
721         (extract_true_false_args_from_phi): New helper.
722         (determine_max_movement): For PHI nodes verify we can hoist them
723         and compute their cost.
724         (determine_invariantness_stmt): Handle PHI nodes.
725         (move_computations_stmt): Likewise.  Hoist PHI nodes in
726         if-converted form using COND_EXPRs.
727         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
728         (tree_ssa_lim): Likewise.
729         * tree-flow.h (tree_ssa_lim): Adjust prototype.
730         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
731
732 2010-05-06  Richard Guenther  <rguenther@suse.de>
733
734         PR tree-optimization/43987
735         * tree-ssa-structalias.c (could_have_pointers): For possibly
736         address-taken variables force pointers to be recorded.
737         (create_variable_info_for_1): Likewise.
738         (push_fields_onto_fieldstack): Pass in wheter all fields
739         must have pointers.
740         (find_func_aliases): Query types instead of vars whether
741         they contain pointers where appropriate.
742
743 2010-05-06  Jan Hubicka  <jh@suse.cz>
744
745         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
746         (record_reference, mark_address, mark_load, mark_store): Record
747         references.
748         (record_references_in_initializer): Update call of record_references.
749         (rebuild_cgraph_edges): Remove all references before rebuiding.
750         * cgraph.c (cgraph_create_node): Clear ref list.
751         (cgraph_remove_node): Remove references.
752         (dump_cgraph_node): Dump references.
753         (cgraph_clone_node): Clone references.
754         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
755         (struct cgraph_node, varpool_node): Add ref_lst.
756         * ipa-ref.c: New file.
757         * ipa-ref.h: New file.
758         * ipa-ref-inline.h: New file.
759         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
760         (referenced_from_other_partition_p): New function.
761         (lto_output_varpool_node): Take set arugment; call
762         referenced_from_other_partition.
763         (lto_output_ref): New.
764         (add_references): New.
765         (output_refs): New.
766         (output_cgraph): Compute boundary based on references; output refs.
767         (output_varpool): Accept cgraph_node_set argument.
768         (input_ref): New.
769         (input_refs): New.
770         (input_cgraph): Call input_refs.
771         * lto-section-in.c (lto_section_name): Add refs.
772         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
773         (ipa-ref.o): New file.
774         * varpool.c (varpool_node): Clear ipa ref list.
775         (varpool_remove_node): Remove references.
776         (dump_varpool_node): Dump references.
777         (varpool_assemble_decl): Only compile finalized ones.
778         (varpool_extra_name_alias): Initialize ref list.
779         * lto-streamer.c (lto-get_section_name): Add .refs section.
780         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
781         (referenced_from_other_partition_p): Declared.
782
783 2010-05-06  Ira Rosen  <irar@il.ibm.com>
784
785         PR tree-optimization/43901
786         * tree-vect-stmts.c (vectorizable_call): Assert that vector
787         type is not NULL if it's transformation phase, and return
788         FALSE if it's analysis.
789         (vectorizable_conversion, vectorizable_operation,
790         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
791
792 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
793
794         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
795         Delete.
796         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
797         New define.
798         * config/mips/mips-protos.h
799         (mips_small_register_classes_for_mode_p): Delete prototype.
800
801 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
802
803         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
804         * config/arm/arm.c (multiple_operation_profitable_p,
805         compute_offset_order): New static functions.
806         (load_multiple_sequence, store_multiple_sequence): Use them.
807         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
808         memory offsets, not register numbers.
809         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
810
811 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
812
813         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
814         (get_pending_sizes, put_pending_size, put_pending_sizes):
815         Update the uses of pending_sizes.
816         * c-decl.c (store_parm_decls): Likewise.
817         * c-tree.h (struct c_arg_info): Likewise.
818         * tree.h: Update the prototype for get_pending_sizes and
819         put_pending_sizes.
820
821 2010-05-05  Jason Merrill  <jason@redhat.com>
822
823         PR debug/43370
824         * c-common.c (handle_aligned_attribute): Respect
825         ATTR_FLAG_TYPE_IN_PLACE.
826
827         PR testsuite/43758
828         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
829         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
830         (TARGET_INITIALIZER): Use it.
831         * c-common.c (attribute_takes_identifier_p): Call it.
832         * c-common.h: Update prototype.
833         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
834         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
835
836 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
837
838         PR debug/43950
839         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
840         DW_ID_down_case for Fortran compilation units.
841
842 2010-05-05  Jan Hubicka  <jh@suse.cz>
843
844         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
845         handle aliases.
846
847 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
848
849         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
850         a variable-sized RESULT_DECL.
851
852 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
853
854         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
855
856 2010-05-05  Jason Merrill  <jason@redhat.com>
857
858         PR c++/43787
859         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
860         returns GS_OK.
861         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
862
863 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
864             Jakub Jelinek  <jakub@redhat.com>
865
866         PR debug/43478
867         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
868         (dead_debug_init, dead_debug_finish): New functions.
869         (dead_debug_add, dead_debug_insert_before): Likewise.
870         (df_note_bb_compute): Initialize a dead_debug object, add dead
871         debug uses to it, insert debug bind insns before death insns,
872         reset debug insns that refer to pending uses at the end.
873         * rtl.h (make_debug_expr_from_rtl): New prototype.
874         * varasm.c (make_debug_expr_from_rtl): New function.
875
876 2010-05-05  Jan Hubicka  <jh@suse.cz>
877
878         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
879         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
880         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
881         lto_varpool_encoder_deref, lto_varpool_encoder_size,
882         lto_varpool_encoder_encode_initializer_p,
883         lto_set_varpool_encoder_encode_initializer): New functions.
884         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
885         call output_varpool.
886         (input_varpool_node): Do not always set analyzed.
887         (input_cgraph_1): Return vector of cgraph nodes.
888         (input_varpool_1): Return vector of varpools.
889         (input_cgraph): Free the vectors.
890         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
891         output only initializers needed.
892         (lto_output): Only call output_cgraph.
893         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
894         * lto-section-out.c (lto_new_out_decl_state): Initialize
895         state->varpool_node_encoder.
896         * lto-streamer.h (lto_varpool_encoder_d): New.
897         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
898         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
899         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
900         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
901         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
902         Declare.
903         (output_varpool, input_varpool): Remove declarations.
904
905 2010-05-05  Jan Hubicka  <jh@suse.cz>
906
907         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
908         with body can prevail.
909
910 2010-05-05  Jan Hubicka  <jh@suse.cz>
911
912         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
913         size.
914
915 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
916
917         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
918
919         * gengtype.h (erro_at_line): Constify pos argument.
920
921         * gengtype.c: Include hashtab.h.
922         (enum gc_used): Document GC_MAYBE_POINTED_TO.
923         (error_at_line): Constify pos argument.
924         (do_typedef): Initialize p->opt field.
925         (get_file_gtfilename): Fix comment typo.
926         (struct walk_type_data): Constify line field.
927         (get_output_file_for_structure): New function.
928         (write_local_func_for_structure): Constify orig_s argument.
929         Use get_output_file_for_structure.
930         (write_func_for_structure): Use get_output_file_for_structure.
931         (INDENT): New define.
932         (dump_pair, dump_type, dump_type_list, dump_typekind)
933         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
934         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
935         functions.
936         (seen_types): New variable.
937         (main): New variable do_dump.  Process "-d" command line option.
938         Call dump_everything if dump requested.
939
940 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
941
942         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
943         in a temporary instead of invoking the macro multiple times.
944         (track_expr_p): Likewise.
945
946 2010-05-04  Neil Vachharajani <nvachhar@google.com>
947
948         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
949         per new semantics.
950         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
951         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
952         conditions for printing notes.
953         * common.opt (-Wcoverage-mismatch): Allow negative, default to
954         true, update documentation.
955         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
956
957 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
958
959         PR c/43981
960         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
961         on dimen.
962
963 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
964
965         PR target/43799
966         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
967         (*sse_prologue_save_insn1): Likewise.
968         (SSE prologue save splitter): Likewise.
969
970 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
971
972         * tree.c (free_lang_data_in_one_sizepos): New inline function.
973         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
974         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
975         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
976         all decls.  Call it on DECL_FIELD_OFFSET of fields.
977         (find_decls_types_r): Follow DECL_VALUE_EXPR.
978         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
979
980 2010-05-04  Martin Jambor  <mjambor@suse.cz>
981
982         * tree-sra.c (build_access_from_expr_1): The first parameter type
983         changed to simple tree.
984         (build_access_from_expr): Likewise, gsi parameter was eliminated.
985         (scan_assign_result): Renamed to assignment_mod_result, enum elements
986         renamed as well.
987         (build_accesses_from_assign): Removed all parameters except for a
988         simple gimple statement.  Now returns a simple bool.
989         (scan_function): All non-analysis parts moved to separate functions
990         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
991         parameters and updated both callers.
992         (sra_modify_expr): Removed parameter data.
993         (sra_modify_function_body): New function.
994         (perform_intra_sra): Call sra_modify_function_body to modify the
995         function body.
996         (replace_removed_params_ssa_names): Parameter data changed into
997         adjustments vector.
998         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
999         changed the parameter dont_convert to convert with the opposite
1000         meaning.
1001         (sra_ipa_modify_assign): Parameter data changed into adjustments
1002         vector, return value changed to bool.
1003         (ipa_sra_modify_function_body): New function.
1004         (sra_ipa_reset_debug_stmts): Updated a comment.
1005         (modify_function): Use ipa_sra_modify_function_body to modify function
1006         body.
1007
1008 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1009
1010         PR middle-end/43671
1011         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1012         (canon_true_dependence): Likewise.
1013         (write_dependence_p): Likewise.
1014
1015 2010-05-04  Jan Hubicka  <jh@suse.cz>
1016
1017         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1018         * cgraphbuild.c: Include ipa-utils.h
1019         (record_reference_ctx): New struct.
1020         (record_reference): Simplify to work on initializers; not statements.
1021         (mark_address, mark_load, mark_store): New.
1022         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1023         walk PHI nodes too.
1024         (record_references_in_initializer): Update use of record_reference.
1025         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1026         walk PHI nodes too.
1027
1028 2010-05-04  Jan Hubicka  <jh@suse.cz>
1029
1030         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1031         node will be removed anyway.
1032         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1033         relink aliases of node into prevailing node.
1034         * varpool.c (varpool_remove_node): Remove aliases properly;
1035         when removing node, remove all its aliases too; remove DECL_INITIAL
1036         of removed node; ggc_free the varpool node.
1037
1038 2010-05-04  Richard Guenther  <rguenther@suse.de>
1039
1040         PR tree-optimization/43879
1041         * tree-ssa-structalias.c (alias_get_name): Use
1042         DECL_ASSEMBLER_NAME if available.
1043         (create_function_info_for): Return the varinfo node.
1044         (ipa_pta_execute): Associate same-body aliases and extra names
1045         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1046
1047 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1048
1049         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1050
1051 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1052
1053         PR bootstrap/43964
1054         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1055         only if HONOR_REG_ALLOC_ORDER is not defined.
1056
1057 2010-05-04  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/43949
1060         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1061         TRUNC_MOD_EXPR.
1062
1063 2010-04-26  Jason Merrill  <jason@redhat.com>
1064
1065         * c.opt (-fstrict-enums): New.
1066         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1067
1068 2010-05-03  David Ung <davidu@mips.com>
1069             James E. Wilson  <wilson@codesourcery.com>
1070
1071         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1072         emit the trap instruction before the divide for TUNE_74K.
1073
1074 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1075
1076         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1077         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1078         based on the above, for new target hook.
1079
1080         * hooks.c (hook_bool_mode_true): New generic hook.
1081         * hooks.h (hook_bool_mode_true): Add prototype.
1082
1083         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1084         target hook.
1085         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1086         target hook, set to hook_bool_mode_false.
1087         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1088         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1089         with targetm.small_register_classes_for_mode_p.
1090         (find_reusable_reload): Likewise.
1091         (combine_reloads): Likewise.
1092         * reload1.c (reload_as_needed): Likewise.
1093         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1094         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1095         dead_or_predicable): Likewise.
1096         * regmove.c (optimize_reg_copy_1): Likewise.
1097         * calls.c (prepare_call_address): Likewise.
1098         (precompute_register_parameters): Likewise.
1099
1100         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1101         hook definition.
1102         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1103         implementation of the hook that considers all register classes
1104         small except for SH64.
1105         (sh_override_options): Use the new hook.
1106         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1107         Add prototype.
1108
1109         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1110         hook definition.
1111         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1112         implementation of the hook that considers all register classes
1113         small for THUMB1.
1114         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1115         Add prototype.
1116
1117         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1118         hook definition.
1119         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1120         implementation of the hook that considers all register classes
1121         small for MIPS16.
1122         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1123         Add prototype.
1124
1125         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1126         hook definition.
1127         * config/m32c/m32c.h: Likewise.
1128         * config/pdp11/pdp11.h: Likewise.
1129         * config/avr/avr.h: Likewise.
1130         * config/xtensa/xtensa.h: Likewise.
1131         * config/m68hc11/m68hc11.h: Likewise.
1132         * config/mn10300/mn10300.h: Likewise.
1133         * config/mcore/mcore.h: Likewise.
1134         * config/h8300/h8300.h: Likewise.
1135         * config/bfin/bfin.h: Likewise.
1136
1137         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1138         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1139
1140 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1141
1142         * double-int.h (tree_to_double_int): Remove macro.
1143         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1144         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1145         (tree_to_double_int): New function.
1146         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1147         Move ...
1148         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1149
1150 2010-05-03  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/43971
1153         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1154         constraints in the !flag_delete_null_pointer_checks case.
1155
1156 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1157
1158         PR debug/43972
1159         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1160         result mode matches original rtl mode.
1161
1162 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1163
1164         PR target/43888
1165         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1166
1167 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1170         when processing flag options.
1171
1172 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1173
1174         * gcov-iov.c (main): Change format string placeholder
1175         from %#08x to 0x%08x.
1176         * genchecksum.c (dosum): Change format string placeholder
1177         from %#02x to 0x%02x.
1178
1179 2010-05-02  Richard Guenther  <rguenther@suse.de>
1180
1181         PR tree-optimization/43879
1182         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1183
1184 2010-05-02  Bruno Haible  <bruno@clisp.org>
1185
1186         * doc/extend.texi (Function Attributes): Fix a typo.
1187
1188 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1189
1190         Revert:
1191         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1192         placeholder from 0x%x to %#x.
1193         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1194         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1195         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1196         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1197         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1198         * config/i386/i386.c (ix86_target_string): Ditto.
1199         * config/i386/i386.c (output_pic_addr_const): Ditto.
1200         (print_operand): Ditto.
1201
1202 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1203
1204         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1205         placeholder from 0x%x to %#x.
1206         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1207         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1208         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1209         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1210         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1211         * optc-gen.awk: Ditto.
1212         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1213         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1214         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1215         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1216
1217 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1218
1219         * target.h (struct calls): Add function_value_regno_p field.
1220         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1221         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1222         * targhooks.c (default_function_value_regno_p): New function.
1223         * targhooks.h (default_function_value_regno_p): Declare function.
1224         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1225         * builtins.c. (apply_result_size): (Ditto.).
1226         * combine.c. (likely_spilled_retval_p): (Ditto.).
1227         * mode-switching.c. Include 'target.h'.
1228         (create_pre_exit): Use function_value_regno_p hook.
1229         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1230         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1231         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1232
1233         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1234         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1235         (ix86_function_value_regno_p): Declare as static, change argument
1236         type to const unsigned int.
1237         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1238
1239 2010-05-01  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/43949
1242         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1243         types.
1244         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1245
1246 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1247
1248         * rtl.h (CONST_DOUBLE_P): Define.
1249         (rtx_to_double_int): Declare.
1250         * emit-rtl.c (rtx_to_double_int): New function.
1251         * dwarf2out.c (insert_double): New function.
1252         (loc_descriptor, add_const_value_attribute): Clean up, use
1253         rtx_to_double_int and insert_double functions.
1254
1255 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1256
1257         * doc/extend.texi (Inline): Add missing return keyword to examples.
1258         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1259         "command-line".
1260
1261 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1262
1263         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1264         the variable part of the offset as well.  Use highest_pow2_factor for
1265         all alignment checks.
1266
1267 2010-04-30  Richard Guenther  <rguenther@suse.de>
1268
1269         PR tree-optimization/43879
1270         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1271         can have pointers.
1272
1273 2010-04-30  Jan Hubicka  <jh@suse.cz>
1274
1275         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1276         varpool.
1277         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1278
1279 2010-04-30  Jan Hubicka  <jh@suse.cz>
1280
1281         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1282         New.
1283         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1284         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1285         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1286         cgraph_node_set_needs_ltrans_p): Remove.
1287
1288 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1289
1290         * sdbout.c: Include vec.h, do not include varray.h.
1291         (deferred_global_decls, sdbout_global_decl,
1292         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1293         * toplev.c: Do not include varray.h.
1294         (dump_memory_report): Do not dump VARRAY statistics.
1295         * gengtype.c (open_base_file): Ignore varray.h.
1296         * Makefile.in: Update for abovementioned changes.
1297         Remove all traces of varray.c and varray.h.
1298         * varray.c: Remove file.
1299         * varray.h: Remove file.
1300
1301 2010-04-30  Jan Hubicka  <jh@suse.cz>
1302
1303         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1304         references.
1305
1306 2010-04-30  Jan Hubicka  <jh@suse.cz>
1307
1308         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1309         needed.
1310
1311 2010-04-30  Richard Guenther  <rguenther@suse.de>
1312
1313         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1314         constraints for CONSTRUCTOR.
1315
1316 2010-04-30  Richard Guenther  <rguenther@suse.de>
1317
1318         PR lto/43946
1319         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1320         first after all lowering passes.
1321
1322 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1323
1324         * toplev.c: Include varray.h for statistics dumping.
1325         * tree.h: Do not declare varray_head_tag.
1326         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1327         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1328         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1329         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1330         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1331         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1332         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1333         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1334         include varray.h.
1335         * Makefile.in: Update for abovementioned changes.
1336
1337 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1338
1339         PR debug/43942
1340         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1341
1342 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1343
1344         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1345         Use this function to do machine-specific conversion.
1346         (picochip_legitimize_reload_address): Likewise.
1347         (picochip_legitimate_address_p): Check valid base register only if
1348         strict.
1349         (picochip_check_conditional_copy): Check for modw only if opnd is
1350         register.
1351         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1352         to call the function in c.
1353         * config/picochip/picochip-protos.h
1354         (picochip_legitimize_reload_address): Define.
1355         * config/picochip/picochip.md (supported_compare1): Define.
1356
1357 2010-04-30  Jan Hubicka  <jh@suse.cz>
1358
1359         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1360         (cgraph_global_info): Remove inlined.
1361         (LTO_cgraph_tag_names): Remove.
1362         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1363         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1364         simplify cgraph tags and document.
1365         (lto_output_node): Use only LTO_cgraph_unavail_node and
1366         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1367         for_functions_valid, global info, process and output flags.
1368         (input_overwrite_node): Initialize estimated stack size and
1369         estimated growth.  Do not read flags we no longer store.
1370         (input_node): Likewise do not read info no longer stored.
1371         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1372         flag.
1373
1374 2010-04-30  Richard Guenther  <rguenther@suse.de>
1375
1376         PR tree-optimization/43879
1377         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1378         handle non-zero initializers.
1379
1380 2010-04-30  Richard Guenther  <rguenther@suse.de>
1381
1382         * builtins.c (fold_builtin_1): Delete free (0).
1383
1384 2010-04-29  Jan Hubicka  <jh@suse.cz>
1385
1386         * gengtype.c (open_base_files): Add lto-streamer.h
1387         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1388         (pass_ipa_cp): GGC collect.
1389         * toplev. (compile_file): Do not output symbols.
1390         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1391         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1392         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1393         * lto-section-in.c: Include ggc.h
1394         (lto_new_in_decl_state): Alloc in GGC.
1395         (lto_delete_in_decl_state): Likewise.
1396         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1397         Collect.
1398
1399 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1400
1401         PR target/42895
1402         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1403         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1404         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1405         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1406         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1407         account only if HONOR_REG_ALLOC_ORDER is not defined.
1408         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1409         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1410
1411 2010-04-29  Jon Grant  <04@jguk.org>
1412
1413         * collect2.c (vflag): Change type from int to bool.
1414         (debug): Likewise.
1415         (helpflag): New global bool.
1416         (main): Set vflag and debug with boolean, not integer truth values.
1417         Accept new "--help" option and output usage text if found.
1418         * collect2.h (vflag): Update prototype.
1419         (debug): Likewise.
1420
1421 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1422
1423         PR bootstrap/43936
1424         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1425
1426 2010-04-29  Richard Guenther  <rguenther@suse.de>
1427
1428         PR bootstrap/43935
1429         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1430         with ATTRIBUTE_UNUSED.
1431
1432 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1433
1434         PR target/43921
1435         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1436         INSN_P with NONDEBUG_INSN_P.
1437         (distance_non_agu_define): Likewise.
1438         (distance_agu_use): Likewise.
1439
1440 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1441
1442         From Dominique d'Humieres <dominiq@lps.ens.fr>
1443         PR bootstrap/43858
1444         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1445         test_set.
1446
1447 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1448
1449         * plugin.h (invoke_plugin_callbacks): New inline function.
1450         * plugin.c (flag_plugin_added): New global flag.
1451         (add_new_plugin): Initialize above flag.
1452         (invoke_plugin_callbacks): Rename to ...
1453         (invoke_plugin_callbacks_full): ... this.
1454
1455 2010-04-28  Jan Hubicka  <jh@suse.cz>
1456
1457         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1458         (lto_varpool_replace_node): New.
1459         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1460         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1461         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1462         * cgraph.h (varpool_node_ptr): New type.
1463         (varpool_node_ptr): New vector.
1464         (varpool_node_set_def): New structure.
1465         (varpool_node_set): New type.
1466         (varpool_node_set): New vector.
1467         (varpool_node_set_element_def): New structure.
1468         (varpool_node_set_element, const_varpool_node_set_element): New types.
1469         (varpool_node_set_iterator): New type.
1470         (varpool_node): Add prev pointers, add used_from_other_partition,
1471         in_other_partition.
1472         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1473         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1474         varpool_get_node, varpool_remove_node): Declare.
1475         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1476         varpool_node_set_size): New inlines.
1477         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1478         * tree-pass.h (varpool_node_set_def): Forward declare.
1479         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1480         (ipa_write_optimization_summaries): Update prototype.
1481         * ipa-cp.c (ipcp_write_summary): Update.
1482         * ipa-reference.c (ipa_reference_write_summary): Update.
1483         * lto-cgraph.c (lto_output_varpool_node): New static function.
1484         (output_varpool): New function.
1485         (input_varpool_node): New static function.
1486         (input_varpool_1): New function.
1487         (input_cgraph): Input varpool.
1488         * ipa-pure-const.c (pure_const_write_summary): Update.
1489         * lto-streamer-out.c (lto_output): Update, output varpool too.
1490         (write_global_stream): Kill WPA hack.
1491         (produce_asm_for_decls): Update.
1492         (output_alias_pair_p): Handle variables.
1493         (output_unreferenced_globals): Output only needed partition of varpool.
1494         * ipa-inline.c (inline_write_summary): Update.
1495         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1496         cgraph.
1497         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1498         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1499         varpool_node_set_new, varpool_node_set_add,
1500         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1501         debug_varpool_node_set): New functions.
1502         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1503         (execute_one_pass): Process new decls too.
1504         (ipa_write_summaries_2): Pass around vsets.
1505         (ipa_write_summaries_1): Likewise.
1506         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1507         to add.
1508         (ipa_write_optimization_summaries_1): Pass around vsets.
1509         (ipa_write_optimization_summaries): Likewise.
1510         * varpool.c (varpool_get_node): New.
1511         (varpool_node): Update doubly linked lists.
1512         (varpool_remove_node): New.
1513         (dump_varpool_node): More dumping.
1514         (varpool_enqueue_needed_node): Update doubly linked lists.
1515         (decide_is_variable_needed): Kill ltrans hack.
1516         (varpool_finalize_decl): Kill lto hack.
1517         (varpool_assemble_decl): Skip decls in other partitions.
1518         (varpool_assemble_pending_decls): Update doubly linkes lists.
1519         (varpool_empty_needed_queue): Likewise.
1520         (varpool_extra_name_alias): Likewise.
1521         * lto-streamer.c (lto_get_section_name): Add vars section.
1522         * lto-streamer.h (lto_section_type): Update.
1523         (output_varpool, input_varpool): Declare.
1524
1525 2010-04-28  Mike Stump  <mikestump@comcast.net>
1526
1527         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1528
1529 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1530
1531         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1532         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1533         (lto_input_ts_type_tree_pointers): Likewise.
1534         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1535         (lto_output_ts_type_tree_pointers): Likewise.
1536
1537 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1538
1539         Uniquization of constants at the Tree level
1540         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1541         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1542         bit to the end.
1543         (tree_output_constant_def): Declare.
1544         * gimplify.c (gimplify_init_constructor): When using block copy, first
1545         uniquize the constant constructor on the RHS.
1546         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1547         DECL_IN_CONSTANT_POOL flag.
1548         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1549         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1550         constant pool.
1551         (assemble_variable): Deal with symbols belonging to the tree constant
1552         pool.
1553         (get_constant_section): Add ALIGN parameter and simplify.
1554         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1555         (assemble_constant_contents): Use the expression of the VAR_DECL.
1556         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1557         (tree_output_constant_def): New global function.
1558         (mark_constant): Use the expression of the VAR_DECL.
1559         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1560         its expression.
1561         (output_object_block): Likewise and assemble the expression.
1562
1563 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1564
1565         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1566         hash_tree, eq_tree): New tree hash table.
1567         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1568         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1569         lto_orig_address_remove): Reimplement.
1570
1571 2010-04-28  Xinliang David Li  <davidxl@google.com>
1572
1573         PR c/42643
1574         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1575         (compute_uninit_opnds_pos): New function.
1576         (is_non_loop_exit_postdominating): New function.
1577         (compute_control_dep_chain): New function.
1578         (find_pdom): New function.
1579         (convert_control_dep_chain_into_preds): New function.
1580         (find_predicates): New function.
1581         (find_control_equiv_block): New function.
1582         (collect_phi_def_edges): New function.
1583         (find_def_preds): New function.
1584         (find_dom): New function.
1585         (dump_predicates): New function.
1586         (get_cmp_code): New function.
1587         (is_value_included_in): New function.
1588         (find_matching_predicate_in_rest_chains): New function.
1589         (use_pred_not_overlap_with_undef_path_pred): New function.
1590         (is_use_properly_guarded): New function.
1591         (normalize_cond_1): New function.
1592         (is_and_or_or): New function.
1593         (normalize_cond): New function.
1594         (is_gcond_subset_of): New function.
1595         (is_subset_of_any): New function.
1596         (is_or_set_subset_of): New function.
1597         (is_and_set_subset_of): New function.
1598         (is_norm_cond_subset_of): New function.
1599         (is_pred_expr_subset_of): New function.
1600         (is_pred_chain_subset_of): New function.
1601         (is_included_in): New function.
1602         (is_superset_of): New function.
1603         (find_uninit_use): New function.
1604         (warn_uninitialized_phi): New function.
1605         (compute_possibly_undefined_names): New function.
1606         (ssa_undefined_value_p): New function.
1607         (execute_late_warn_uninitialized): New function.
1608         * tree-ssa.c (ssa_undefined_value_p): Removed.
1609         (warn_uninit): Changed to extern.
1610         (warn_uninitialized_phi): Removed.
1611         (warn_uninitialized_vars): Changed to extern.
1612         (execute_late_warn_uninitialized): Removed
1613         * tree-flow.h: Add new prototypes.
1614         * timevar.def: Add new time variable.
1615         * Makefile.in: Add new build file.
1616
1617 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1618
1619         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1620         type if available.
1621
1622 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1623
1624         PR target/22224
1625         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1626
1627 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1628
1629         * cgraph.h (struct cgraph_node): New field indirect_calls.
1630         (struct cgraph_indirect_call_info): New type.
1631         (struct cgraph_edge): Removed field indirect_call. New fields
1632         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1633         (cgraph_create_indirect_edge): Declare.
1634         (cgraph_make_edge_direct): Likewise.
1635         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1636         * ipa-prop.h (struct ipa_param_call_note): Removed.
1637         (struct ipa_node_params): Removed field param_calls.
1638         (ipa_create_all_structures_for_iinln): Declare.
1639         * cgraph.c: Described indirect edges and uids in initial comment.
1640         (cgraph_add_edge_to_call_site_hash): New function.
1641         (cgraph_edge): Search also among the indirect edges, use
1642         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1643         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1644         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1645         site hash.
1646         (initialize_inline_failed): Assign a reason to indirect edges.
1647         (cgraph_create_edge_1): New function.
1648         (cgraph_create_edge): Moved some functionality to
1649         cgraph_create_edge_1.
1650         (cgraph_create_indirect_edge): New function.
1651         (cgraph_edge_remove_callee): Add an assert checking for
1652         non-indirectness.
1653         (cgraph_edge_remove_caller): Special-case indirect edges.
1654         (cgraph_remove_edge): Likewise.
1655         (cgraph_set_edge_callee): New function.
1656         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1657         (cgraph_make_edge_direct): New function.
1658         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1659         the declaration of the call statement matches.
1660         (cgraph_node_remove_callees): Special-case indirect edges.
1661         (cgraph_clone_edge): Likewise.
1662         (cgraph_clone_node): Clone also the indirect edges.
1663         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1664         indirect_call, dump count of indirect_calls edges.
1665         * ipa-prop.c (iinlining_processed_edges): New variable.
1666         (ipa_note_param_call): Create indirect edges instead of
1667         creating notes.  New parameter node.
1668         (ipa_analyze_call_uses): New parameter node, pass it on to
1669         ipa_note_param_call.
1670         (ipa_analyze_stmt_uses): Likewise.
1671         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1672         (print_edge_addition_message): Work on edges rather than on notes.
1673         (update_call_notes_after_inlining): Likewise, renamed to
1674         update_indirect_edges_after_inlining.
1675         (ipa_create_all_structures_for_iinln): New function.
1676         (ipa_free_node_params_substructures): Do not free notes.
1677         (ipa_edge_duplication_hook): Propagate bits within
1678         iinlining_processed_edges bitmap.
1679         (ipa_node_duplication_hook): Do not duplicate notes.
1680         (free_all_ipa_structures_after_ipa_cp): Renamed to
1681         ipa_free_all_structures_after_ipa_cp.
1682         (free_all_ipa_structures_after_iinln): Renamed to
1683         ipa_free_all_structures_after_iinln.
1684         (ipa_write_param_call_note): Removed.
1685         (ipa_read_param_call_note): Removed.
1686         (ipa_write_indirect_edge_info): New function.
1687         (ipa_read_indirect_edge_info): Likewise.
1688         (ipa_write_node_info): Do not stream notes, do stream information
1689         in indirect edges.
1690         (ipa_read_node_info): Likewise.
1691         (lto_ipa_fixup_call_notes): Removed.
1692         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1693         * ipa-inline.c (pass_ipa_inline): Likewise.
1694         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1695         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1696         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1697         is_gimple_call.
1698         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1699         edges.
1700         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1701         (output_cgraph): Stream also indirect edges.
1702         (lto_output_edge): Added capability to stream indirect edges.
1703         (input_edge): Likewise.
1704         (input_cgraph_1): Likewise.
1705         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1706         of indirect edges.
1707
1708 2010-04-28  Richard Guenther  <rguenther@suse.de>
1709
1710         PR tree-optimization/43879
1711         PR tree-optimization/43909
1712         * tree-ssa-structalias.c (struct variable_info): Add
1713         only_restrict_pointers flag.
1714         (new_var_info): Initialize it.  Increment stats.total_vars here.
1715         (create_function_info_for): Do not increment stats.total_vars here.
1716         (get_function_part_constraint): Fix build with C++.
1717         (insert_into_field_list): Remove.
1718         (push_fields_onto_fieldstack): Properly merge fields.
1719         (create_variable_info_for): Split and simplify.
1720         (create_variable_info_for_1): New piece.
1721         (intra_create_variable_infos): Properly make restrict constraints
1722         from parameters.
1723
1724 2010-04-28  Richard Guenther  <rguenther@suse.de>
1725
1726         PR c++/43880
1727         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1728
1729 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1730             Jan Hubicka <hubicka@ucw.cz>
1731
1732         * doc/invoke.texi (-Wsuggest-attribute=const,
1733         -Wsuggest-attribute=pure): Document.
1734         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1735         (function_always_visible_to_compiler_p,
1736         suggest_attribute, warn_function_pure, warn_function_const):
1737         New functions.
1738         (check_call): Improve debug info.
1739         (analyze_function): Do not check availability.
1740         (add_new_function): Check availability.
1741         (propagate): Output warnings.
1742         (skip_function_for_local_pure_const): New function.
1743         (local_pure_const): Use it; output warnings.
1744         * common.opt (Wsuggest-attribute=const,
1745         Wsuggest-attribute=pure): New.
1746
1747 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1748
1749         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1750         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1751         or DW_CFA_def_cfa_offset{,_sf}.
1752
1753 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1754
1755         * tree.h: Fix truncated long macros.
1756
1757 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1758
1759         * collect2.c (TARGET_64BIT): Redefine to target's default.
1760         * tlink.c: Likewise.
1761         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1762         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1763         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1764         for underscoring __USER_LABEL_PREFIX__.
1765         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1766         (SUB_LINK_ENTRY32): New.
1767         (SUB_LINK_ENTRY64): New.
1768         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1769         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1770         (SUB_LINK_ENTRY64): New.
1771         (SUB_LINK_ENTRY): New.
1772         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1773         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1774         x64 target is choosen.
1775         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1776         * configure: Regenerated.
1777         * configure.ac (leading-mingw64-underscores): Option added.
1778
1779 2010-04-27  Jan Hubicka  <jh@suse.cz>
1780
1781         * doc/invoke.texi (-fipa-profile): Document.
1782         * opts.c (decode_options): Enable ipa-profile at -O1.
1783         * timevar.def (TV_IPA_PROFILE): Define.
1784         * common.opt (fipa-profile): Add.
1785         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1786         flag for clones.
1787         (cgraph_propagate_frequency): Handle only local ones.
1788         * tree-pass.h (pass_ipa_profile): Declare.
1789         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1790         (pass_ipa_profile): Use TV_IPA_PROFILE.
1791         * ipa.c (ipa_profile): New function.
1792         (gate_ipa_profile): Likewise.
1793         (pass_ipa_profile): New global variable.
1794         * passes.c (pass_ipa_profile): New.
1795
1796 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1797
1798         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1799
1800 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1801
1802         PR middle-end/43812
1803         * ipa.c (dissolve_same_comdat_group_list): New function.
1804         (function_and_variable_visibility): Call
1805         dissolve_same_comdat_group_list when comdat group contains external or
1806         newly local nodes.
1807         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1808         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1809
1810 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1811
1812         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1813         (const_hash_1) <VECTOR_CST>: New case.
1814         (compare_constant) <VECTOR_CST>: Likewise.
1815         <ADDR_EXPR>: Deal with LABEL_REFs.
1816         (copy_constant) <VECTOR_CST>: New case.
1817
1818 2010-04-27  Jan Hubicka  <jh@suse.cz>
1819
1820         * cgraph.c (cgraph_propagate_frequency): New function.
1821         * cgraph.h (cgraph_propagate_frequency): Declare.
1822         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1823         cgraph_propagate_frequency.
1824
1825 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1826
1827         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1828
1829 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1830
1831         PR target/40657
1832         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1833         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1834         here to determine which regs to push and how much stack to reserve.
1835
1836 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1837
1838         * doc/gimple.texi (gimple_statement_with_ops): Remove
1839         addresses_taken field.
1840         (gimple_statement_with_memory_ops): Likewise.
1841
1842 2010-04-27  Jan Hubicka  <jh@suse.cz>
1843
1844         * tree-inline.c (eni_inlining_weights): Remove.
1845         (estimate_num_insns): Special case more builtins.
1846
1847 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1848
1849         PR c/32207
1850         * c-typeck.c (build_binary_op): Move forward check for comparison
1851         pointer with null pointer constant and adjust the diagnostic message.
1852
1853 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1854
1855         PR lto/42776
1856         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1857         binutils supports extended .section directive needed by LTO, or
1858         warn if older binutils found.
1859         (LTO_BINARY_READER): New AC_SUBST'd variable.
1860         (LTO_USE_LIBELF): Likewise.
1861         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1862         variable.
1863         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1864         (LTO_USE_LIBELF): Likewise.
1865         * configure: Regenerate.
1866
1867         * collect2.c (is_elf): Rename from this ...
1868         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1869          object files in addition to ELF-formatted ones.
1870         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1871         symbol to be prefixed or not by an extra underscore.
1872
1873         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1874         * config/i386/winnt.c: Also #include lto-streamer.h
1875         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1876         LTO named sections.
1877         (i386_pe_asm_output_aligned_decl_common): Add comment.
1878         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1879
1880 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1881
1882         PR target/43889
1883         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1884         Add missing earlyclobber for second alternative.
1885
1886 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1887
1888         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1889         bits for artificial defs at the top of the block.
1890         * fwprop.c (single_def_use_enter_block): Don't call it.
1891
1892 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1893
1894         PR 43715
1895         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1896         instead of "$gcc_cv_objdump -T".
1897         Use "-undefined dynamic_lookup" on darwin.
1898         * gcc/configure: Regenerate.
1899
1900 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1901
1902         PR c/43893
1903         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1904
1905 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1906
1907         * c-parser.c (struct c_token): Move location field up.
1908         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1909         (struct c_declspecs): Convert typespec_word, storage_class, and
1910         default_int_p into bitfields.
1911         (struct c_declarator): Move loc field up.
1912
1913 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1914
1915         * cfgloop.h (struct loop): Move can_be_parallel field up.
1916         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1917         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1918         down.
1919         (struct iv_cand): Convert pos field into a bitfield.
1920         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1921         field up.
1922         (struct _stmt_vec_info): Shuffle fields for better packing.
1923
1924 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1925
1926         * varasm.c (IN_NAMED_SECTION): Remove guard.
1927         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1928         (IN_NAMED_SECTION_P): ...this.
1929         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1930         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1931
1932 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1933
1934         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1935         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1936         of shadowing it.  Fix comments.
1937
1938 2010-04-26  Jan Hubicka  <jh@suse.cz>
1939
1940         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1941         (cgraph_clone_node): Copy function frequency.
1942         * cgraph.h (node_frequency): New enum
1943         (struct cgraph_node): Add.
1944         * final.c (rest_of_clean_state): Update.
1945         * lto-cgraph.c (lto_output_node): Output node frequency.
1946         (input_overwrite_node): Input node frequency.
1947         * tre-ssa-loop-ivopts (computation_cost): Update.
1948         * lto-streamer-out.c (output_function): Do not output function
1949         frequency.
1950         * predict.c (maybe_hot_frequency_p): Update and handle functions
1951         executed once.
1952         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1953         attribute lookup.
1954         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1955         (compute_function_frequency): Set noreturn functions to be executed
1956         once.
1957         (choose_function_section): Update.
1958         * lto-streamer-in.c (input_function): Do not input function frequency.
1959         * function.c (allocate_struct_function): Do not initialize function
1960         frequency.
1961         * function.h (function_frequency): Remove.
1962         (struct function): Remove function frequency.
1963         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1964         (try_update): Update.
1965         * tree-inline.c (initialize_cfun): Do not update function frequency.
1966         * passes.c (pass_init_dump_file): Update.
1967         * i386.c (ix86_compute_frame_layout): Update.
1968         (ix86_pad_returns): Update.
1969
1970 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1971
1972         PR tree-optimization/43833
1973         * tree-vrp.c (range_int_cst_p): New.
1974         (range_int_cst_singleton_p): New.
1975         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1976         when both operands are constants.  Use range_int_cst_p in
1977         BIT_IOR_EXPR case.
1978
1979 2010-04-26  Jan Hubicka  <jh@suse.cz>
1980
1981         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1982
1983 2010-04-26  Richard Guenther  <rguenther@suse.de>
1984
1985         PR lto/43080
1986         * gimple.c (gimple_decl_printable_name): Deal gracefully
1987         with a NULL DECL_NAME.
1988
1989 2010-04-26  Richard Guenther  <rguenther@suse.de>
1990
1991         PR lto/42425
1992         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1993         if emitting debug information and it is either a function
1994         or a namespace decl.
1995
1996 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1997
1998         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1999         determine if the statement is vectorizable, and a macro to access it.
2000         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2001         Skip statements that can't be vectorized. If the analysis fails,
2002         mark the statement as unvectorizable if vectorizing basic block.
2003         (vect_compute_data_refs_alignment): Likewise.
2004         (vect_verify_datarefs_alignment): Skip statements marked as
2005         unvectorizable. Add print.
2006         (vect_analyze_group_access): Skip statements that can't be
2007         vectorized. If the analysis fails, mark the statement as
2008         unvectorizable if vectorizing basic block.
2009         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2010         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2011         generated stmts for SLP.
2012         (new_stmt_vec_info): Initialize the new field.
2013         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2014         statements marked as unvectorizable.
2015
2016 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2017
2018         * c-common.c (flag_isoc1x): New.
2019         (flag_isoc99): Update comment.
2020         * c-common.h (flag_isoc1x): New.
2021         (flag_isoc99): Update comment.
2022         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2023         __<type>_DECIMAL_DIG__.
2024         * c-opts.c (set_std_c1x): New.
2025         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2026         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2027         * c.opt (-std=c1x, -std=gnu1x): New options.
2028         * doc/cpp.texi: Mention -std=c1x.
2029         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2030         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2031         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2032         * doc/standards.texi: Mention C1X.
2033         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2034         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2035         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2036         Define for C1X.
2037
2038 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2039
2040         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2041         placeholder from 0x%x to %#x.
2042         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2043         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2044         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2045         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2046         * config/i386/i386.c (ix86_target_string): Ditto.
2047         (output_pic_addr_const): Ditto.
2048         (print_operand): Ditto.
2049
2050 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2051
2052         * combine.c (find_split_point): Add third argument.  Use it
2053         to find nested multiply-accumulate instructions.  Adjust calls.
2054         (try_combine): Adjust call to find_split_point.
2055
2056 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2057
2058         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2059
2060 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2061
2062         PR tree-optimization/41442
2063         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2064         (fold_binary_loc): Call it.
2065
2066 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2067
2068         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2069         * opts.c (common_handle_option): Allow disabling it.
2070         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2071
2072 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2073
2074         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2075         between modes if both types are integral.
2076
2077 2010-04-23  Richard Guenther  <rguenther@suse.de>
2078
2079         PR tree-optimization/43572
2080         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2081
2082 2010-04-23  Richard Guenther  <rguenther@suse.de>
2083
2084         PR lto/43455
2085         * tree-inline.c (tree_can_inline_p): Also check compatibility
2086         of return types.
2087
2088 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2089
2090         PR tree-optimization/43846
2091         * tree-sra.c (struct access): New flag grp_assignment_read.
2092         (build_accesses_from_assign): Set grp_assignment_read.
2093         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2094         (enum mark_read_status): New type.
2095         (analyze_access_subtree): Propagate grp_assignment_read, create
2096         accesses also if both direct_read and root->grp_assignment_read.
2097
2098 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2099
2100         PR middle-end/43835
2101         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2102         function does not have type attributes.
2103
2104 2010-04-23  Richard Guenther  <rguenther@suse.de>
2105
2106         PR lto/42653
2107         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2108         of FUNCTION_DECLs.
2109
2110 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2111
2112         * sese.h (create_if_region_on_edge): Remove.
2113
2114         * sese.c (create_if_region_on_edge): Make static.
2115
2116         * tree-inline.c: Do not include ggc.h.
2117
2118         * expr.c: Do not include ggc.h.
2119
2120         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2121         dependencies.
2122
2123 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2124
2125         PR target/43744
2126         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2127         in the middle of insns for casesi_worker_2.
2128
2129 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2130
2131         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2132
2133 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2134
2135         PR tree-optimization/43842
2136         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2137         loop unrolling in update of exit phis. Fix comment.
2138         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2139         least two reduction statements in the loop before starting SLP
2140         analysis.
2141
2142 2010-04-22  Nick Clifton  <nickc@redhat.com>
2143
2144         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2145
2146 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2147
2148         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2149         to simplify a + ~a.
2150
2151 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2152
2153         * tree-parloops.c (loop_parallel_p): New argument
2154         parloop_obstack.  Pass it down.
2155         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2156         pass it down, free it.
2157
2158         * tree-loop-linear.c (linear_transform_loops): Pass down
2159         lambda_obstack.
2160
2161         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2162         of type struct obstack *.
2163
2164         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2165         scratch_obstack.  Initialize it, pass down, free it.
2166
2167         * lambda.h (lambda_loop_new): Remove.
2168         (lambda_matrix_new, lambda_matrix_inverse)
2169         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2170         argument of type struct obstack *.
2171
2172         * lambda-trans.c (lambda_trans_matrix_new): New argument
2173         lambda_obstack.  Pass it down, use obstack allocation for ret.
2174         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2175         it down.
2176
2177         * lambda-mat.c (lambda_matrix_get_column)
2178         (lambda_matrix_project_to_null): Remove.
2179         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2180         allocation for mat.
2181         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2182         lambda_obstack.
2183
2184         * lambda-code.c (lambda_loop_new): New function.
2185         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2186         (lambda_compute_auxillary_space, lambda_compute_target_space)
2187         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2188         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2189         (build_access_matrix): New argument lambda_obstack.  Use obstack
2190         allocation for am.
2191         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2192         argument lambda_obstack.  Pass it down.
2193
2194 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2195
2196         * optabs.h (expand_widening_mult): Declare.
2197
2198 2010-04-22  Richard Guenther  <rguenther@suse.de>
2199
2200         PR tree-optimization/43845
2201         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2202         lookup the CALL_EXPR function and arguments.
2203
2204 2010-04-22  Nick Clifton  <nickc@redhat.com>
2205
2206         * config/stormy16/stormy16.c
2207         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2208         * config/stormy16/stormy16.h: Tidy up formatting.
2209         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2210         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2211         (ineqbranchsi): Delete pattern.
2212         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2213         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2214         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2215         stormy16-lib2-ucmpsi2.c.
2216
2217 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2218
2219         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2220         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2221         extra set merge_set_noclobber, and use it to relax the final test
2222         slightly.
2223         * df.h (df_simulate_find_noclobber_defs): Declare.
2224         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2225         conditional defs.
2226         (df_simulate_find_noclobber_defs): New function.
2227
2228 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2229
2230         * config/i386/i386.md: Use {} around multi-line preparation statements.
2231
2232 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2233
2234         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2235         (process_init_element): New argument of type struct obstack *.
2236
2237         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2238         (set_init_index, set_init_label, set_nonincremental_init)
2239         (set_nonincremental_init_from_string, find_init_member)
2240         (output_init_element, output_pending_init_elements)
2241         (process_init_element): New argument braced_init_obstack.  Pass it
2242         down.
2243         (push_range_stack, add_pending_init): New argument
2244         braced_init_obstack.  Use obstack allocation.
2245
2246         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2247         braced_init_obstack.  Pass it down.
2248         (c_parser_braced_init): New variables ret, braced_init_obstack.
2249         Initialize obstack, pass it down and finally free it.
2250
2251 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2252
2253         PR middle-end/29274
2254         * tree-pass.h (pass_optimize_widening_mul): Declare.
2255         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2256         gate_optimize_widening_mul): New static functions.
2257         (pass_optimize_widening_mul): New.
2258         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2259         <case MULT_EXPR>: Remove support for widening multiplies.
2260         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2261         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2262         simplify_gen_unary rather than directly building extensions.
2263         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2264         WIDEN_MULT_EXPR.
2265         * expmed.c (expand_widening_mult): New function.
2266         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2267
2268 2010-04-21  Jan Hubicka  <jh@suse.cz>
2269
2270         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2271         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2272         * lto-wpa-fixup.c: Remove.
2273         * Makefile.in (lto-wpa-fixup.o): Remove.
2274         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2275         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2276         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2277
2278 2010-04-21  Jan Hubicka  <jh@suse.cz>
2279
2280         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2281         add write_optimization_summary, read_optimization_summary.
2282         (ipa_write_summaries_of_cgraph_node_set): Remove.
2283         (ipa_write_optimization_summaries): Declare.
2284         (ipa_read_optimization_summaries): Declare.
2285         * ipa-cp.c (pass_ipa_cp): Update.
2286         * ipa-reference.c (pass_ipa_reference): Update.
2287         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2288         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2289         Update.
2290         * ipa-inline.c (pass_ipa_inline): Update.
2291         * ipa.c (pass_ipa_whole_program): Update.
2292         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2293         * passes.c (ipa_write_summaries_1): Do not test wpa.
2294         (ipa_write_optimization_summaries_1): New.
2295         (ipa_write_optimization_summaries): New.
2296         (ipa_read_summaries): Do not test ltrans.
2297         (ipa_read_optimization_summaries_1): New.
2298         (ipa_read_optimization_summaries): New.
2299
2300 2010-04-21  Jan Hubicka  <jh@suse.cz>
2301
2302         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2303         for boundary nodes.
2304         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2305
2306 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2307
2308         PR debug/40040
2309         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2310         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2311
2312 2010-04-21  Jan Hubicka  <jh@suse.cz>
2313
2314         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2315
2316 2010-04-21  Jan Hubicka  <jh@suse.cz>
2317
2318         * varpool.c (decide_is_variable_needed): Variable is always needed
2319         during ltrans.
2320
2321 2010-04-21  Jan Hubicka  <jh@suse.cz>
2322
2323         * opts.c (decode_options): Enable pure-const pass for whopr.
2324
2325 2010-04-21  Jan Hubicka  <jh@suse.cz>
2326
2327         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2328         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2329         at WPA dumping.
2330         (cgraph_decide_inlining): Do not expect callee to be removed in all
2331         cases.
2332
2333 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2334
2335         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2336
2337 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2338
2339         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2340         amdfam10_decode attributes.
2341
2342 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2343
2344         PR middle-end/43570
2345         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2346         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2347         (lower_copyprivate_clauses): Use private var in outer
2348         context instead of original var.  Make sure the types
2349         are correct for VLAs.
2350
2351 2010-04-21  Richard Guenther  <rguenther@suse.de>
2352
2353         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2354         to non-pointer objects.
2355
2356 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2357
2358         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2359         last chain entry if it starts with the still current label.
2360         (add_location_or_const_value_attribute): Check that
2361         loc_list->first->next is NULL instead of comparing ->first with ->last.
2362         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2363         to add_var_loc_to_decl.
2364
2365         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2366         >= 4 add also address size and segment size fields into CIE header.
2367
2368         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2369         long as address size is the same as sizeof (void *) and
2370         segment size is 0.
2371         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2372         address size or segment size is unexpected, return DW_EH_PE_omit.
2373         (classify_object_over_fdes): If get_cie_encoding returned
2374         DW_EH_PE_omit, return -1.
2375         (init_object): If classify_object_over_fdes returned -1,
2376         pretend there were no FDEs at all.
2377
2378 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2379
2380         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2381         bswap{si,di}2 using SWI48 mode iterator.
2382         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2383         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2384         set modrm attribute of bswap insn to 0 and remove length attribute.
2385         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2386         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2387         set mode attribute to <MODE> and remove length attribute.
2388
2389 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2390
2391         PR rtl-optimization/43520
2392         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2393         zero available registers.
2394
2395 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2396
2397         * builtins.c (fold_builtin_cproj): Fold more cases.
2398
2399 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2400
2401         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2402         (fold_builtin_1): Fold builtin cproj.
2403         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2404         Use ATTR_CONST_NOTHROW_LIST.
2405
2406 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2409         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2410         ffsi2_no_cmove for !TARGET_CMOVE.
2411         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2412         (ffssi2): Remove expander.
2413         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2414         mode iterator.
2415         (ctz<mode>2): Ditto from ctz{si,di}2.
2416         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2417         mode iterator.
2418         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2419         mode iterator.
2420
2421 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2422
2423         * dwarf2out.c (AT_linkage_name): Define.
2424         (clone_as_declaration): Handle DW_AT_linkage_name.
2425         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2426         of DW_AT_MIPS_linkage_name.
2427         (move_linkage_attr): Likewise.
2428         (dwarf2out_finish): Likewise.
2429
2430 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2431
2432         PR middle-end/41952
2433         * fold-const.c (fold_comparison): New folding rule.
2434
2435 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2436
2437         * double-int.h (double_int_setbit): Declare.
2438         * double-int.c (double_int_setbit): New function.
2439         * rtl.h (immed_double_int_const): Declare.
2440         * emit-rtl.c (immed_double_int_const): New function.
2441         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2442         and immed_double_int_const functions.
2443         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2444         expand_copysign_bit):  (Ditto.).
2445         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2446         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2447         * dojump.c (prefer_and_bit_test): (Ditto.).
2448         * expr.c (convert_modes, reduce_to_bit_field_precision,
2449         const_vector_from_tree): (Ditto.).
2450         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2451
2452 2010-04-20  Jan Hubicka  <jh@suse.cz>
2453
2454         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2455         (dump_cgraph_node): Dump new flags.
2456         * cgraph.h (struct cgraph_node): Add flags
2457         reachable_from_other_partition and in_other_partition.
2458         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2459         other partition can not be removed.
2460         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2461         the other partition must be output; silence sanity checking on
2462         leaking functions bodies from other paritition.
2463         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2464         (lto_output_node): Output new flags; do not sanity check that inline
2465         clones are output; drop lto_forced_extern_inline_p code; do not mock
2466         visibility flags at partition boundaries.
2467         (add_node_to): New function.
2468         (output_cgraph): Use it to sort functions so masters appear before
2469         clones.
2470         (input_overwrite_node): Input new flags.
2471         * passes.c (ipa_write_summaries): Do not call
2472         lto_new_extern_inline_states.
2473         * lto-section-out.c (forced_extern_inline,
2474         lto_new_extern_inline_states lto_delete_extern_inline_states,
2475         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2476         * lto-streamer.h (lto_new_extern_inline_states,
2477         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2478         lto_forced_extern_inline_p): Kill.
2479
2480 2010-04-20  Richard Guenther  <rguenther@suse.de>
2481
2482         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2483         from vars that can have pointers.
2484         (process_constraint): Dump useless constraints.
2485
2486 2010-04-20  Richard Guenther  <rguenther@suse.de>
2487
2488         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2489         (dump_sa_points_to_info): Remove asserts.
2490         (init_base_vars): nothing_id isn't an escape point nor does it
2491         have pointers.
2492
2493 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2494
2495         * tree.h (TYPE_REF_IS_RVALUE): Define.
2496         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2497         should_move_die_to_comdat, prune_unused_types_walk): Handle
2498         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2499         (modified_type_die, gen_reference_type_die): Emit
2500         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2501         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2502
2503 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2504
2505         PR target/43635
2506         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2507         calls for -fpic -m31 if they have been sibcall optimized.
2508
2509 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2510
2511         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2512         ar.lc fixed and call-used.
2513
2514         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2515
2516 2010-04-19  Jan Hubicka  <jh@suse.cz>
2517
2518         * opts.c (decode_options): Disable whpr incompatible passes.
2519         * lto/lto.c (lto_1_to_1_map): Skip clones.
2520         (read_cgraph_and_symbols): Do not mark everything as needed.
2521         (do_whole_program_analysis): Do map only after optimizing;
2522         set proper cgraph_state; use passmanager.
2523
2524 2010-04-19  DJ Delorie  <dj@redhat.com>
2525
2526         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2527         POINTER_PLUS_EXPR and fix them.
2528
2529 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2530
2531         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2532         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2533         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2534         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2535         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2536         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2537         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2538         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2539         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2540         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2541         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2542
2543 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2544
2545         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2546         (check_cond_move_block): Likewise.
2547         (cond_move_process_if_block): Likewise.
2548         (noce_find_if_block): Improve formatting.
2549         (find_if_header): Pass 0 to memset and tweak conditions.
2550         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2551
2552 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2553
2554         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2555         for -gdwarf-4.
2556
2557         PR middle-end/43337
2558         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2559         with non-local decl doesn't need chain.
2560
2561 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2562
2563         * ira-color.c (allocno_reload_assign): Avoid accumulating
2564         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2565
2566 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2567
2568         * gimple.h (create_tmp_reg): Declare.
2569         * gimplify.c (create_tmp_reg): New function.
2570         (gimplify_return_expr): Use create_tmp_reg.
2571         (gimplify_omp_atomic): Likewise.
2572         (gimple_regimplify_operands): Likewise.
2573         * tree-dfa.c (make_rename_temp): Likewise.
2574         * tree-predcom.c (predcom_tmp_var): Likewise.
2575         (reassociate_to_the_same_stmt): Likewise.
2576         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2577         (get_replaced_param_substitute): Likewise.
2578         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2579         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2580         * tree-ssa-pre.c (get_representative_for): Likewise.
2581         (create_expression_by_pieces): Likewise.
2582         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2583         (create_tailcall_accumulator): Likewise.
2584
2585 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2586
2587         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2588         new_stmt.
2589         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2590
2591 2010-04-19  Richard Guenther  <rguenther@suse.de>
2592
2593         PR tree-optimization/43796
2594         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2595         from SCEV in the lattice.
2596         (vrp_visit_phi_node): Dump change.
2597
2598 2010-04-19  Richard Guenther  <rguenther@suse.de>
2599
2600         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2601         * configure: Re-generated.
2602
2603 2010-04-19  Richard Guenther  <rguenther@suse.de>
2604
2605         PR tree-optimization/43783
2606         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2607         constant ARRAY_REF operands two and three if possible.
2608
2609 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2610
2611         PR target/43766
2612         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2613
2614 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2615
2616         PR target/43662
2617         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2618
2619 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2620
2621         PR tree-optimization/37027
2622         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2623         and macro to access it.
2624         (vectorizable_reduction): Add argument.
2625         (vect_get_slp_defs): Likewise.
2626         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2627         statements for possible use in SLP.
2628         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2629         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2630         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2631         add new argument.
2632         (vectorizable_reduction): Likewise.
2633         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2634         vect_get_slp_defs.
2635         (vectorizable_type_demotion, vectorizable_type_promotion,
2636         vectorizable_store): Likewise.
2637         (vect_analyze_stmt): Update call to vectorizable_reduction.
2638         (vect_transform_stmt): Likewise.
2639         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2640         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2641         from different interleaving chains in same node.
2642         (vect_slp_rearrange_stmts): New function.
2643         (vect_supported_load_permutation_p): Allow load permutations for
2644         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2645         inside SLP nodes if necessary.
2646         (vect_analyze_slp_instance): Handle reductions.
2647         (vect_analyze_slp): Try to build SLP instances originating from groups
2648         of reductions.
2649         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2650         (vect_get_constant_vectors): Create initial vectors for reductions
2651         according to reduction code. Add new argument.
2652         (vect_get_slp_defs): Add new argument, pass it to
2653         vect_get_constant_vectors.
2654         (vect_schedule_slp_instance): Remove SLP tree root statements.
2655
2656 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2657
2658         * tree.h (ENUM_IS_SCOPED): Define.
2659         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2660         for ENUM_IS_SCOPED enums.
2661
2662 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2663
2664         * fold-const.c (fold_comparison): Use ssizetype.
2665         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2666         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2667         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2668         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2669
2670         * tree.h (initialize_sizetypes): Remove parameter.
2671         (build_common_tree_nodes): Remove second parameter.
2672         * stor-layout.c (initialize_sizetypes): Remove parameter.
2673         Always create an unsigned type.
2674         (set_sizetype): Assert that the passed type is unsigned and simplify.
2675         * tree.c (build_common_tree_nodes): Remove second parameter.
2676         Adjust call to initialize_sizetypes.
2677         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2678         build_common_tree_nodes.
2679
2680 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2681
2682         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2683
2684 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2685
2686         PR tree-optimization/43771
2687         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2688         load permutation doesn't have gaps.
2689
2690 2010-04-18  Jan Hubicka  <jh@suse.cz>
2691
2692         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2693         (sse_prologue_save_insn expander): Use new pattern.
2694         (sse_prologue_save_insn1): New pattern and splitter.
2695         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2696         blocks.
2697         * i386.c (setup_incoming_varargs_64): Do not compute jump
2698         destination here.
2699         (ix86_gimplify_va_arg): Update alignment needed.
2700         (ix86_local_alignment): Do not align all local arrays to 128bit.
2701
2702 2010-04-17  Jan Hubicka  <jh@suse.cz>
2703
2704         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2705
2706 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2707
2708         * arm.md (negdi2): Remove redundant code to force values into a
2709         register.
2710
2711 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2712
2713         * arm/bpabi.S: Add EABI alignment attributes to objects.
2714         * arm/bpabi-v6m.S: Likewise.
2715         * arm/crti.asm: Likewise.
2716         * arm/crtn.asm: Likewise.
2717         * arm/lib1funcs.asm: Likewise.
2718         * arm/libunwind.S: Likewise.
2719
2720 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2721
2722         * arm-protos.h (tune_params): New structure.
2723         * arm.c (current_tune): New variable.
2724         (arm_constant_limit): Delete.
2725         (struct processors): Add pointer to the tune parameters.
2726         (arm_slowmul_tune): New tuning option.
2727         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2728         (all_cores): Adjust to pick up the tuning model.
2729         (arm_constant_limit): New function.
2730         (arm_override_options): Select the appropriate tuning model.  Delete
2731         initialization of arm_const_limit.
2732         (arm_split_constant): Use the new constant-limit model.
2733         (arm_rtx_costs): Pick up the current tuning model.
2734         * arm.md (is_strongarm, is_xscale): Delete.
2735         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2736         for Xscale variant architectures.
2737         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2738
2739 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2740
2741         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2742         can_shift.
2743         (arm_rtx_costs_1): Remove unused variable extra_cost.
2744         (arm_unwind_emit_set): Use variable offset.
2745         (thumb1_output_casesi): Remove unused variable flags.
2746
2747 2010-04-16  Jeff Law  <law@redhat.com>
2748
2749         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2750         needing assignment rather than doing a two-phase assignment.  Remove
2751         unused variable 'm'.
2752
2753 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2754
2755         PR bootstrap/43767
2756         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2757
2758 2010-04-16  Doug Kwan  <dougkwan@google.com>
2759
2760         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2761         (next_operand_entry_id): New static variable.
2762         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2763         (add_to_ops_vec): Assigned unique ID to operand entry.
2764         (struct oecount_s): New field ID.
2765         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2766         (undistribute_ops_list): Assign unique IDs to oecounts.
2767         (init_reassoc): reset next_operand_entry_id.
2768
2769 2010-04-16  Doug Kwan  <dougkwan@google.com>
2770
2771         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2772         missing left parenthesis.
2773
2774 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2775
2776         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2777         *btdi_rex64 using SWI48 mode iterator.
2778         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2779         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2780         *jcc_btdi_mask_rex64.
2781
2782 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2783
2784         * double-int.h (tree_to_double_int): Convert to macro.
2785         * double-int.c (tree_to_double_int): Remove.
2786
2787 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2788
2789         PR debug/43762
2790         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2791         with want_address 2 and in case a single element list might be
2792         possible, call it again with want_address 0.
2793
2794 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2795
2796         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2797         case 'W' print operands for HI mode.
2798         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2799         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2800         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2801         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2802
2803         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2804
2805         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2806         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2807         #xx:3 and #xx:4 mode.
2808
2809         * config/h8300/h8300.md (inverted load with HImode dest): Add
2810         support for H8300SX.
2811
2812         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2813         satisfy 'U' constraint.
2814
2815 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2816
2817         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2818         * configure: Regenerate.
2819         * config.in: Regenerate.
2820         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2821         works.
2822
2823 2010-04-16  Richard Guenther  <rguenther@suse.de>
2824
2825         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2826         (struct tree_decl_common): ... here.
2827         (DECL_PT_UID): Adjust.
2828         (SET_DECL_PT_UID): Likewise.
2829         (DECL_PT_UID_SET_P): Likewise.
2830
2831 2010-04-16  Richard Guenther  <rguenther@suse.de>
2832
2833         PR tree-optimization/43572
2834         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2835         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2836         * tree-flow.h (is_call_clobbered): Remove.
2837         * tree-flow-inline.h (is_call_clobbered): Likewise.
2838         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2839         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2840         (execute_return_slot_opt): Adjust.
2841         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2842         check for call clobbered vars here.
2843         (find_tail_calls): Move tailcall verification to the
2844         proper place.
2845
2846 2010-04-16  Diego Novillo  <dnovillo@google.com>
2847
2848         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2849
2850 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2851
2852         PR target/40603
2853         * config/arm/arm.md (cbranchqi4): New pattern.
2854         * config/arm/predicates.md (const0_operand,
2855         cbranchqi4_comparison_operator): New predicates.
2856
2857 2010-04-16  Richard Guenther  <rguenther@suse.de>
2858
2859         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2860         (dump_gimple_stmt): Likewise.
2861
2862 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2863
2864         * recog.h (struct recog_data): New field is_operator.
2865         (struct insn_operand_data): New field is_operator.
2866         * recog.c (extract_insn): Set recog_data.is_operator.
2867         * genoutput.c (output_operand_data): Emit code to set the
2868         is_operator field.
2869         * reload.c (find_reloads): Use it rather than testing for an
2870         empty constraint string.
2871
2872         PR target/41514
2873         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2874         If the previous insn is a cbranchsi4_insn with the same arguments,
2875         omit the compare instruction.
2876
2877         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2878         register, inputs must be low registers and we need a low register
2879         scratch.  Handle alternative 2 like alternative 3.
2880
2881 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2882
2883         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2884         don't call get_addr on both.  If one expression is a VALUE and
2885         the other a REG, check VALUE's locs if the REG isn't among them.
2886
2887 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2888
2889         * config/sh/sh.h (sh_frame_pointer_required): New function.
2890         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2891         (flag_omit_frame_pointer) Set.
2892         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2893         (rounded_frame_size): Adjust size with outgoing_args_size.
2894         (sh_set_return_address): Must return from stack pointer.
2895         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2896         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2897         (ACCUMULATE_OUTGOING_ARGS): Define.
2898         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2899         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2900
2901 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2902
2903         PR target/43471
2904         * config/sh/sh.c (sh_legitimize_reload_address): Use
2905         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2906         Remove a unneeded check for offset_base.
2907
2908 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2909
2910         * configure: Regenerated.
2911
2912 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2913
2914         * config/s390/s390.c (s390_call_save_register_used): Switch back
2915         to HARD_REGNO_NREGS.
2916
2917 2010-04-15  Richard Guenther  <rguenther@suse.de>
2918
2919         * alias.c (alias_set_subset_of): Handle alias-set zero
2920         child properly.
2921
2922 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2923             Julian Brown  <julian@codesourcery.com>
2924
2925         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2926         alternatives according to use of high and low regs.
2927         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2928         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2929         optimizing for size on Thumb-2.
2930
2931 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2932
2933         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2934
2935 2010-04-15  Richard Guenther  <rguenther@suse.de>
2936
2937         * tree-ssa-structalias.c (struct variable_info): Add
2938         is_fn_info flag.
2939         (new_var_info): Initialize it.
2940         (dump_constraints): Support printing last added constraints.
2941         (debug_constraints): Adjust.
2942         (dump_constraint_graph): Likewise.
2943         (make_heapvar_for): Check for NULL cfun.
2944         (get_function_part_constraint): New function.
2945         (get_fi_for_callee): Likewise.
2946         (find_func_aliases): Properly implement IPA PTA constraints.
2947         (process_ipa_clobber): New function.
2948         (find_func_clobbers): Likewise.
2949         (insert_into_field_list_sorted): Remove.
2950         (create_function_info_for): Properly allocate vars for IPA mode.
2951         Do not use insert_into_field_list_sorted.
2952         (create_variable_info_for): Properly generate constraints for
2953         global vars in IPA mode.
2954         (dump_solution_for_var): Always dump the solution.
2955         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2956         (find_what_var_points_to): Adjust.
2957         (pt_solution_set): Change.
2958         (pt_solution_ior_into): New function.
2959         (pt_solution_empty_p): Export.
2960         (pt_solution_includes_global): Adjust.
2961         (pt_solution_includes_1): Likewise.
2962         (pt_solutions_intersect_1): Likewise.
2963         (dump_sa_points_to_info): Check some invariants.
2964         (solve_constraints): Move constraint dumping ...
2965         (compute_points_to_sets): ... here.
2966         (ipa_pta_execute): ... and here.
2967         (compute_may_aliases): Do not re-compute points-to info
2968         locally if IPA info is available.
2969         (ipa_escaped_pt): New global var.
2970         (ipa_pta_execute): Properly implement IPA PTA.
2971         * tree-into-ssa.c (dump_decl_set): Support dumping
2972         decls not in referenced-vars.
2973         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2974         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2975         (dump_points_to_solution): Likewise.
2976         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2977         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2978         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2979         (copy_decl_to_var): Copy DECL_PT_UID.
2980         (copy_result_decl_to_var): Likewise.
2981         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2982         (copy_node_stat): Copy it.
2983         * tree.h (DECL_PT_UID): New macro.
2984         (SET_DECL_PT_UID): Likewise.
2985         (DECL_PT_UID_SET_P): Likewise.
2986         (struct tree_decl_minimal): Add pt_uid member.
2987         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2988         (pt_solution_empty_p): Declare.
2989         (pt_solution_set): Adjust.
2990         (ipa_escaped_pt): Declare.
2991         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2992         * gimple-pretty-print.c (pp_points_to_solution): New function.
2993         (dump_gimple_call): Dump call clobber/use information.
2994         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2995         * tree-pass.h (TDF_ALIAS): New dump option.
2996         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2997         * doc/invoke.texi (-fipa-pta): Update documentation.
2998
2999 2010-04-15  Richard Guenther  <rguenther@suse.de>
3000
3001         * Makefile.in (OBJS-common): Add gimple-fold.o.
3002         (gimple-fold.o): New rule.
3003         * tree.h (maybe_fold_offset_to_reference,
3004         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3005         prototypes ...
3006         * gimple.h: ... here.
3007         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3008         may_propagate_address_into_dereference): Move prototypes ...
3009         * gimple.h: ... here.
3010         * tree-ssa-ccp.c (get_symbol_constant_value,
3011         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3012         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3013         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3014         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3015         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3016         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3017         gimplify_and_update_call_from_tree): Move ...
3018         * gimple-fold.c: ... here.  New file.
3019         (ccp_fold_builtin): Rename to ...
3020         (gimple_fold_builtin): ... this.
3021         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3022
3023 2010-04-15  Richard Guenther  <rguenther@suse.de>
3024
3025         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3026         fit_double_type, force_fit_type_double, add_double_with_sign,
3027         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3028         lrotate_double, rrotate_double, div_and_round_double): Move ...
3029         * double-int.c: ... here.
3030         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3031         add_double, neg_double, mul_double_with_sign, mul_double,
3032         lshift_double, rshift_double, lrotate_double, rrotate_double,
3033         div_and_round_double): Move prototypes ...
3034         * double-int.h: ... here.
3035
3036 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3037
3038         PR target/43742
3039         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3040         matching constraints to ensure inputs match the output.
3041
3042 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3043
3044         PR target/43742
3045         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3046         in an input-only operand.
3047
3048 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3049
3050         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3051         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3052         (double_int_negative_p): Convert to static inline function.
3053         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3054         (double_int_negative_p): Remove.
3055         * tree.h (lshift_double, rshift_double):
3056         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3057         * fold-const.c (fold_convert_const_int_from_real,
3058         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3059         (lshift_double): Change type of arith argument to bool.
3060         (rshift_double): Change type of arith argument to bool. Correct
3061         comment.
3062         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3063
3064 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3065
3066         PR target/21803
3067         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3068         at the start and end of the then/else blocks, and omit them from the
3069         conversion.
3070         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3071         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3072         (flow_find_head_matching_sequence): New function.
3073         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3074         * basic-block.h (flow_find_cross_jump,
3075         flow_find_head_matching_sequence): Declare functions.
3076
3077 2010-04-14  Jason Merrill  <jason@redhat.com>
3078
3079         PR c++/36625
3080         * c-common.c (attribute_takes_identifier_p): New fn.
3081         * c-common.h: Declare it.
3082
3083 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3086         splitter condition.
3087         (*udivmod<mode>4): Ditto.
3088
3089 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3090
3091         * config/i386/i386.md (maxmin_int): Rename code attribute from
3092         maxminiprefix and update all users.
3093         (maxmin_float): Ditto from maxminfprefix.
3094         (logic): Ditto from logicprefix.
3095         (absneg_mnemonic): Ditto from absnegprefix.
3096         * config/i386/mmx.md: Update all users of maxminiprefix,
3097         maxminfprefix and logicprefix for rename.
3098         * config/i386/sse.md: Ditto.
3099         * config/i386/sync.md (sync_<code><mode>): Update for
3100         logicprefix rename.
3101
3102 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3103
3104         PR 42966
3105         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3106         warnings converted to errors.
3107
3108 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3109
3110         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3111         used insn_type variable.
3112         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3113         to avoid set-but-not-used warning.
3114
3115 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3116
3117         * df-core.c (df_ref_debug): Change format string placeholder
3118         from 0x%x to %#x.
3119         * dwarf2asm.c (dw2_asm_output_data_raw,
3120         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3121         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3122         * dwarf2out.c (output_cfi, output_cfi_directive,
3123         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3124         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3125         Ditto.
3126         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3127         * print-rtl.c (print_rtx): Ditto.
3128
3129 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3130
3131         PR middle-end/42694
3132         * builtins.c (expand_builtin_pow_root): New function to expand pow
3133         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3134         series of sqrt and cbrt calls under -ffast-math.
3135         (expand_builtin_pow): Call it.
3136
3137 2010-04-14  Michael Matz  <matz@suse.de>
3138
3139         PR tree-optimization/42963
3140         * tree-cfg.c (touched_switch_bbs): New static variable.
3141         (group_case_labels_stmt): New function broken out from ...
3142         (group_case_labels): ... here, use the above.
3143         (start_recording_case_labels): Allocate touched_switch_bbs.
3144         (end_recording_case_labels): Deallocate it, call
3145         group_case_labels_stmt.
3146         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3147
3148 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3149
3150         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3151         from insn template.
3152
3153 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3154
3155         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3156
3157 2010-04-13  Jan Hubicka  <jh@suse.cz>
3158
3159         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3160         of optimized out static functions.
3161         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3162         cost computation.  Also sanity check for overflows.
3163         (update_caller_keys): Update cgraph_edge_badness call; properly
3164         update fibheap and sanity check that it is up to date.
3165         (add_new_edges_to_heap): Update cgraph_edge_badness.
3166         (cgraph_decide_inlining_of_small_function): Likewise;
3167         add sanity checking that badness in heap is up to date;
3168         improve dumping of reason; Update badness of calls to the
3169         offline copy of function currently inlined; dump badness
3170         of functions not inlined because of unit growth limits.
3171
3172 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3173
3174         PR middle-end/32628
3175         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3176         because of sign-extension change when converting to sizetype here...
3177         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3178
3179         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3180         the folding to constants.  Remove redundant final conversion.
3181         (fold_binary) <associate>: Do not associate if the re-association of
3182         constants alone overflows.
3183         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3184         to the end of the list.
3185         (multiple_of_p) <COND_EXPR>: New case.
3186
3187 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3188
3189         * opt-functions.awk (opt_sanitized_name): New.
3190         (opt_enum): New.
3191         * optc-gen.awk: Use it
3192         * opth-gen.awk: Use it.
3193
3194 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3195
3196         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3197         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3198         children.  Call replace_uses_with_default_def_ssa_name to handle
3199         SSA_NAES on lhs.
3200
3201 2010-04-13  Michael Matz  <matz@suse.de>
3202
3203         PR middle-end/43730
3204         * builtins.c (expand_builtin_interclass_mathfn): Also create
3205         a register if the predicate doesn't match.
3206
3207 2010-04-13  Diego Novillo  <dnovillo@google.com>
3208
3209         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3210         * c-pch.c: Include timevar.h.
3211         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3212         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3213         * ggc-common.c: Include timevar.h.
3214         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3215         * timevar.def (TV_PCH_SAVE): Define.
3216         (TV_PCH_CPP_SAVE): Define.
3217         (TV_PCH_PTR_REALLOC): Define.
3218         (TV_PCH_PTR_SORT): Define.
3219         (TV_PCH_RESTORE): Define.
3220         (TV_PCH_CPP_RESTORE): Define.
3221
3222 2010-04-13  Michael Matz  <matz@suse.de>
3223
3224         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3225         into MINUS_EXPRs.
3226         (can_reassociate_p): New function.
3227         (break_up_subtract_bb, reassociate_bb): Use it.
3228
3229 2010-04-13  Richard Guenther  <rguenther@suse.de>
3230
3231         PR bootstrap/43737
3232         * builtins.c (c_readstr): Fix assert.
3233
3234 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3235
3236         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3237         when generating cltd insn.
3238
3239         (*ashl<mode>3_1): Remove special handling for register operand 2.
3240         (*ashlsi3_1_zext): Ditto.
3241         (*ashlhi3_1): Ditto.
3242         (*ashlhi3_1_lea): Ditto.
3243         (*ashlqi3_1): Ditto.
3244         (*ashlqi3_1_lea): Ditto.
3245         (*<shiftrt_insn><mode>3_1): Ditto.
3246         (*<shiftrt_insn>si3_1_zext): Ditto.
3247         (*<shiftrt_insn>qi3_1_slp): Ditto.
3248         (*<rotate_insn><mode>3_1): Ditto.
3249         (*<rotate_insn>si3_1_zext): Ditto.
3250         (*<rotate_insn>qi3_1_slp): Ditto.
3251
3252 2010-04-13  Richard Guenther  <rguenther@suse.de>
3253
3254         * tree-ssa-structalias.c (callused_id): Remove.
3255         (call_stmt_vars): New.
3256         (get_call_vi): Likewise.
3257         (lookup_call_use_vi): Likewise.
3258         (lookup_call_clobber_vi): Likewise.
3259         (get_call_use_vi): Likewise.
3260         (get_call_clobber_vi): Likewise.
3261         (make_transitive_closure_constraints): Likewise.
3262         (handle_const_call): Adjust to do per-call call-used handling.
3263         (handle_pure_call): Likewise.
3264         (find_what_var_points_to): Remove general callused handling.
3265         (init_base_vars): Likewise.
3266         (init_alias_vars): Initialize call_stmt_vars.
3267         (compute_points_to_sets): Process call-used and call-clobbered
3268         vars for call statements.
3269         (delete_points_to_sets): Free call_stmt_vars.
3270
3271 2010-04-13  Richard Guenther  <rguenther@suse.de>
3272
3273         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3274         Only add RW dependence for dependence distance zero.
3275         Adjust maximal vectorization factor according to dependences.
3276         Move alignment handling ...
3277         (vect_find_same_alignment_drs): ... here.  New function.
3278         (vect_analyze_data_ref_dependences): Adjust.
3279         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3280         (vect_analyze_data_refs): Adjust minimal vectorization factor
3281         according to data references.
3282         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3283         dependences before determining the vectorization factor.
3284         Analyze alignment after determining the vectorization factor.
3285         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3286         dependences before alignment.
3287         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3288         Adjust prototype.
3289         (vect_analyze_data_refs): Likewise.
3290         (MAX_VECTORIZATION_FACTOR): New define.
3291
3292 2010-04-13  Duncan Sands  <baldrick@free.fr>
3293
3294         * except.h (lang_eh_type_covers): Remove.
3295         * except.c (lang_eh_type_covers): Likewise.
3296
3297 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3298             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3299
3300         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3301         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3302         UNITS_PER_LONG where it is ABI relevant.
3303         (s390_return_addr_rtx): Likewise.
3304         (s390_back_chain_rtx): Likewise.
3305         (s390_frame_area): Likewise.
3306         (s390_frame_info): Likewise.
3307         (s390_initial_elimination_offset): Likewise.
3308         (save_gprs): Likewise.
3309         (s390_emit_prologue): Likewise.
3310         (s390_emit_epilogue): Likewise.
3311         (s390_function_arg_advance): Likewise.
3312         (s390_function_arg): Likewise.
3313         (s390_va_start): Likewise.
3314         (s390_gimplify_va_arg): Likewise.
3315         (s390_function_profiler): Likewise.
3316         (s390_optimize_prologue): Likewise.
3317         (s390_rtx_costs): Likewise.
3318         (s390_secondary_reload): Likewise.
3319         (s390_promote_function_mode): Likewise.
3320         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3321         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3322         registers available.
3323         (s390_unwind_word_mode): New function.
3324         (s390_function_value): Split 64 bit values into register pair if
3325         used as return value.
3326         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3327         function call parameters.  Handle parallels.
3328         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3329         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3330         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3331         (s390_expand_setmem): Remove unused variable src_addr.
3332         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3333         deal with 64 bit registers.
3334         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3335         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3336         (UNITS_PER_LONG): New macro.
3337         * libjava/include/s390-signal.h: Define extended ucontext
3338         structure containing the upper halfs of the 64 bit registers.
3339
3340 2010-04-13  Simon Baldwin  <simonb@google.com>
3341
3342         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3343
3344 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3345
3346         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3347         rvalue on the RHS if the LHS is of a non-renamable type.
3348         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3349
3350 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3351
3352         * gcc.c (cc1_options): Handle -iplugindir before processing
3353         the cc1 spec. Only add -iplugindir once.
3354         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3355         found.
3356         * common.opt (iplugindir): Remove `Separate' property, initialize.
3357         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3358         option.
3359         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3360         (distclean): Remove plugin dir.
3361         * doc/invoke.texi: Document -iplugindir.
3362
3363 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3364
3365         * doc/plugins.texi (Loading Plugins): Document short
3366         -fplugin=foo option.
3367         (Plugin API): Mention default_plugin_dir_name function.
3368
3369         * gcc.c (find_file_spec_function): Add new declaration.
3370         (static_spec_func): Use it for "find-file".
3371         (find_file_spec_function): Add new function.
3372         (cc1_options): Add -iplugindir option if -fplugin* options found.
3373
3374         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3375
3376         * plugin.c (add_new_plugin): Updated comment, and handle short
3377         plugin name.
3378         (default_plugin_dir_name): Added new function.
3379
3380         * common.opt (iplugindir): New option to set the plugin directory.
3381
3382 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3383
3384         * config/i386/i386.md (any_rotate): New code iterator.
3385         (rotate_insn): New code attribute.
3386         (rotate): Ditto.
3387         (SWIM124): New mode iterator.
3388         (<rotate_insn>ti3): New expander.
3389         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3390         any_rotate code iterator.
3391         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3392         using any_rotate code iterator and SWIM124 mode iterator.
3393         (ix86_rotlti3): New insn_and_split pattern.
3394         (ix86_rotrti3): Ditto.
3395         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3396         ix86_rotl{di,ti}3 patterns.
3397         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3398         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3399         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3400         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3401         code iterator and SWI mode iterator.
3402         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3403         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3404         code iterator.
3405         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3406         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3407         (bswap rotatert splitter): Add splitter.
3408         (bswap splitter): Macroize splitter using any_rotate code iterator.
3409         Add insn predicate to split only for TARGET_USE_XCHGB or when
3410         optimizing function for size.
3411
3412 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3413
3414         * config/pa/pa.c (emit_move_sequence): Remove use of
3415         deleted variable flag_argument_noalias.
3416
3417 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3418
3419         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3420         configurations.
3421         Add to unsupported targets list.
3422         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3423         sparc*-sun-solaris2.[567]* from target lists.
3424         * configure: Regenerate.
3425         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3426         removal.
3427         Remove Solaris 7 patch references.
3428         (Specific, sparc-sun-solaris2.7): Removed.
3429         (sparc-sun-solaris2*): Update Solaris 7 example.
3430         (sparc64-*-solaris2*): Likewise.
3431
3432 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3433