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* targhooks.c (default_stack_protect_guard): Avoid sharing RTL
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
2
3         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
4         for __stack_chk_guard.
5
6 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
7
8         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
9         don't call start_source_file debug hook here...
10         (finish_options): ... but here, after outputting predefined and
11         command line defines and undefs.
12
13         PR middle-end/44071
14         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
15         no fallthru edge.
16         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
17         optimizing away empty bb with no successors, move over its
18         footer chain to fallthru predecessor.
19         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
20         (rtl_split_edge): For asm goto call patch_jump_insn even if
21         splitting fallthru edge.
22
23         PR c++/44059
24         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
25         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
26         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
27         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
28         on DW.ref.* decls.
29
30         PR c++/44062
31         * c-parser.c (c_parser_expression): Mark LHS of a comma
32         expression as read if it is a decl, handled component or
33         COMPOUND_EXPR with that on the RHS.
34         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
35         if it is a decl or handled component.
36
37 2010-05-11  Jan Hubicka  <jh@suse.cz>
38
39         * lto-symtab.c (lto_symtab_free): New function.
40         * lto-streamer.h (lto_symtab_free): Declare.
41
42 2010-05-11  Jan Hubicka  <jh@suse.cz>
43
44         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
45         that if function is needed it is reachable.
46         (lto_output_node): See if it the function is reachable or referenced.
47         (output_cgraph): Update call of lto_output_node.
48         * lto-streamer.h (reachable_from_other_partition_p): Declare.
49
50 2010-05-11  Jan Hubicka  <jh@suse.cz>
51
52         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
53         Mark as used.
54
55 2010-05-11  Jan Hubicka  <jh@suse.cz>
56
57         PR tree-optimize/44063
58         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
59         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
60         limits.
61         (estimate_function_body_sizes): Compute sizes even when disregarding.
62
63 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
64
65         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
66
67 2010-05-11  Jan Hubicka  <jh@suse.cz>
68
69         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
70         into every boundary.
71
72 2010-05-11  Jan Hubicka  <jh@suse.cz>
73
74         * matrix-reorg.c (matrix_reorg): Rebuild edges.
75
76 2010-05-11  Jan Hubicka  <jh@suse.cz>
77
78         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
79         lto_streamer_cache_delete): Put nodes into heap.
80         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
81         heap.
82
83 2010-05-11  Jan Hubicka  <jh@suse.cz>
84
85         * cgraphbuild.c (cgraph_rebuild_references): New.
86         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
87         out extern inlines.
88         * cgraph.h (cgraph_rebuild_references): Declare.
89         * tree-inline.c (tree_function_versioning): Use it.
90         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
91
92 2010-05-11  Jan Hubicka  <jh@suse.cz>
93
94         * cgraph.c: Include ipa-utils.h
95         (cgraph_create_virtual_clone): Update references.
96         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
97
98 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
99
100         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
101         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
102         cache size.
103
104 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
105
106         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
107
108 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
109
110         * gcc.c (execute): For -### don't quote arguments that
111         contain just alphanumerics and _/-. characters.
112         * doc/invoke.texi: Document that change for -###.
113
114         PR debug/44023
115         * df-problems.c (struct dead_debug): Add to_rescan field.
116         (dead_debug_init): Clear to_rescan field.
117         (dead_debug_finish): Rescan all debug insns in to_rescan
118         bitmap and free the bitmap.
119         (dead_debug_insert_before): Instead of rescanning debug insns
120         immediately queue their rescanning until dead_debug_finish.
121         (df_note_bb_compute): After dead_debug_add do continue instead
122         of break.
123
124 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
125
126         PR debug/44028
127         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
128         clear also INSN_REG_USE_LIST.
129
130 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
131
132         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
133
134 2010-05-10  Jan Hubicka  <jh@suse.cz>
135
136         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
137
138 2010-05-10  Jan Hubicka  <jh@suse.cz>
139
140         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
141         encoders.
142         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
143         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
144         (lto_streamer_cache_create): Init alloc pool.
145         (lto_streamer_cache_delete): Free alloc pool.
146         * lto-streamer.h: Include alloc pool.
147         (lto_streamer_cache_d): Use alloc pool.
148         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
149
150 2010-05-10  Jan Hubicka  <jh@suse.cz>
151
152         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
153         * cgraphbuild.c: Include except.h
154         (record_type_list, record_eh_tables): New function.
155         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
156
157 2010-05-10  Jan Hubicka  <jh@suse.cz>
158
159         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
160         __frame_dummy_init_array_entry, force_to_data): Attribute as used
161         rather than unused.
162
163 2010-05-10  Michael Matz  <matz@suse.de>
164
165         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
166         (can_reassociate_p): Use FLOAT_TYPE_P.
167         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
168         (vect_force_simple_reduction): ... this.
169         * tree-parloops.c (gather_scalar_reductions): Use
170         vect_force_simple_reduction.
171         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
172         vect_is_simple_reduction, add modify argument, if true rewrite
173         "a-b" into "a+(-b)".
174         (vect_is_simple_reduction, vect_force_simple_reduction): New
175         functions.
176         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
177
178 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
179             Vladimir Makarov  <vmakarov@redhat.com>
180
181         PR rtl-optimization/44012
182         * ira-build.c (remove_unnecessary_allocnos): Nullify
183         regno_allocno_map of the removed allocno.
184
185 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
186
187         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
188         to /dev/null.
189         * configure: Regenerate.
190
191 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
192
193         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
194         unused.
195         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
196         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
197         support in Sun ld.
198         * configure: Regenerate.
199
200 2010-05-10  Richard Guenther  <rguenther@suse.de>
201
202         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
203         marked if the entry identifier is marked.
204
205 2010-05-10  Richard Guenther  <rguenther@suse.de>
206
207         * c-common.c (struct c_common_attributes): Add fnspec attribute.
208         (handle_fnspec_attribute): New function.
209         * gimple.h (gimple_call_return_flags): Declare.
210         (gimple_call_arg_flags): Likewise.
211         * gimple.c (gimple_call_arg_flags): New function.
212         (gimple_call_return_flags): Likewise.
213         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
214         New argument flags.
215         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
216         return value flags.
217         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
218         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
219         main work to ...
220         (make_heapvar_for): ... this new function.
221         (handle_rhs_call): Handle fnspec attribute argument specifiers.
222         (handle_lhs_call): Likewise.
223         (find_func_aliases): Adjust.
224
225 2010-05-10  Richard Guenther  <rguenther@suse.de>
226
227         PR tree-optimization/44050
228         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
229
230 2010-05-10  Wei Guozhi  <carrot@google.com>
231
232         PR target/42879
233         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
234
235 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
236
237         PR c/10676
238         * c-typeck.c (lookup_field): Take a type directly.  Update
239         recursive calls.
240         (build_component_ref): Update call to lookup_field.
241         (set_init_label): Use lookup_field to find initialized field.
242         Handle returned list of fields like a sequence of designators.
243
244 2010-05-09  Richard Guenther  <rguenther@suse.de>
245
246         PR middle-end/44024
247         * fold-const.c (tree_single_nonzero_warnv_p): Properly
248         handle &FUNCTION_DECL.
249
250 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
251
252         PR c/4784
253         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
254         structures and unions recursively.
255         (detect_field_duplicates): Move duplicate detection with a hash to
256         detect_field_duplicates_hash.  Always use a hash if anonymous
257         structures or unions are present.
258         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
259         give errors.
260
261 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
262
263         PR target/44046
264         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
265         detect Atom, Core 2 and Core i7.
266
267 2010-05-09  Richard Guenther  <rguenther@suse.de>
268
269         * gcc.c (store_arg): Handle temporary file deletion for
270         joined arguments.
271
272 2010-05-09  Richard Guenther  <rguenther@suse.de>
273
274         PR middle-end/44043
275         * ipa-inline.c (estimate_function_body_sizes): Return after
276         disregarding inline limits.
277
278 2010-05-09  Richard Guenther  <rguenther@suse.de>
279
280         * gcc.c (store_arg): Revert last change.
281
282 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
283
284         PR middle-end/28685
285         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
286         (optimize_ops_list): Call it.
287
288 2010-05-08  Richard Guenther  <rguenther@suse.de>
289
290         PR tree-optimization/44030
291         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
292         NECESSARY flag if we propagate from a inserted expression.
293
294 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
295
296         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
297         domain types as equal if they are both PLACEHOLDER_EXPRs.
298
299 2010-05-08  Richard Guenther  <rguenther@suse.de>
300
301         * lto-wrapper.c (run_gcc): Remove linker output from
302         command line for LTRANS invocation.
303
304 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
305
306         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
307         lto-macho as lto_binary_reader.
308         * target.h (struct gcc_target): New hooks lto_start and lto_end.
309         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
310         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
311         in lto_start and lto_end calls.
312         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
313         magic numbers.
314         (scan_prog_file): Update is_elf_or_coff call.
315         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
316
317         * collect2.c (main): Fix enum comparison.
318
319         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
320         Add prototypes.
321         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
322         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
323         and TARGET_ASM_LTO_END.
324         * darwin.c: Include obstack.h and lto-streamer.h.
325         (lto_section_names_offset, lto_section_names_obstack,
326         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
327         global variables.
328         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
329         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
330         to a temporary file.
331         (darwin_asm_lto_end): New function.  Restore asm_out_file.
332         (darwin_asm_named_section): For LTO sections, replace the name with
333         the offset of the section name in a string table, and build this
334         table.
335         (darwin_file_start): Initialize global vars for LTO support.
336         (darwin_file_end): If output to asm_out_file was redirected, append it
337         to the proper asm_out_file here.  Add the section names section.
338
339 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
340
341         * c-pragma.c (pending_weak_d, pending_weak): New.
342         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
343         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
344         handle_pragma_weak): Update the uses of pending_weaks.
345
346 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
347
348         PR documentation/44016
349         * doc/standards.texi (Standards): Link to unversioned
350         cxx0x_status.html page.
351
352 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
353
354         PR target/43708
355         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
356         in addition to TREE_USED, to avoid "set but unused" warnings.
357
358 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
359
360         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
361         (is_loop_prefetching_profitable): Do not insert prefetches
362         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
363         times the prefetch ahead distance.
364
365 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
366
367         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
368         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
369         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
370         the unroll_factor.
371
372 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
373
374         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
375         a diagnostic info when the insn-to-mem ratio is too small.
376
377 2010-05-07  Richard Guenther <rguenther@suse.de>
378
379         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
380         the linker plugin.
381         (store_arg): Queue temp_filename for deletion instead of
382         the whole argument.
383
384 2010-05-07  Richard Guenther  <rguenther@suse.de>
385
386         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
387         (run_gcc): Handle LTRANS phase invocation.
388         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
389
390 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
391
392         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
393         this is also meaningful on PARM_DECLs and RESULT_DECLs.
394
395 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
396
397         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
398
399 2010-05-07  Richard Guenther  <rguenther@suse.de>
400
401         PR tree-optimization/44020
402         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
403         code when PRE is not yet initialized.
404
405 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
406
407         * config/mips/dbxmdebug.h: Remove.
408         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
409
410 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
411
412         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
413         with null pointer and also warn about ordered comparison of zero with
414         pointer if -Wextra.
415
416 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
417
418         * graphite-blocking.c
419         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
420         * graphite-clast-to-gimple.c
421         (clast_to_gcc_expression): Same.
422         (precision_for_value): Same.
423         (precision_for_interval): Same.
424         (gcc_type_for_interval): Same.
425         (graphite_create_new_guard): Same.
426         (compute_bounds_for_level): Same.
427         (graphite_create_new_loop_guard): Same.
428         * graphite-interchange.c
429         (build_linearized_memory_access): Same.
430         (pdr_stride_in_loop): Same.
431         (memory_strides_in_loop_1): Same.
432         (memory_strides_in_loop): Same.
433         (extend_scattering): Same.
434         (psct_scattering_dim_for_loop_depth): Same.
435         (pbb_number_of_iterations): Same.
436         * graphite-poly.h
437         (debug_iteration_domains): Same.
438         * graphite-ppl.c
439         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
440         (ppl_set_inhomogeneous_gmp): Same.
441         (ppl_strip_loop): Same.
442         (ppl_lexico_compare_linear_expressions): Same.
443         (ppl_read_polyhedron_matrix): Same.
444         (ppl_max_for_le_pointset): Same.
445         * graphite-ppl.h
446         (ppl_read_polyhedron_matrix): Same.
447         (tree_int_to_gmp): Same.
448         (gmp_cst_to_tree): Same.
449         (ppl_set_inhomogeneous): Same.
450         (ppl_set_inhomogeneous_tree): Same.
451         (ppl_set_coef): Same.
452         (ppl_set_coef_tree): Same.
453         * graphite-sese-to-poly.c
454         (build_pbb_scattering_polyhedrons): Same.
455         (build_scop_scattering): Same.
456         (scan_tree_for_params_right_scev): Same.
457         (scan_tree_for_params): Same.
458         (find_params_in_bb): Same.
459         (find_scop_parameters): Same.
460         (add_upper_bounds_from_estimated_nit): Same.
461         (build_loop_iteration_domains): Same.
462         (add_condition_to_domain): Same.
463         (pdr_add_memory_accesses): Same.
464
465 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
466
467         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
468         CLooG's value_* macros to their respective mpz_* counterparts.
469         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
470         (graphite_create_new_loop_guard): Same.
471         * graphite-interchange.c (build_linearized_memory_access): Same.
472         (pdr_stride_in_loop): Same.
473         (memory_strides_in_loop_1): Same.
474         (1st_interchange_profitable_p): Same.
475         * graphite-poly.c (extend_scattering): Same.
476         (psct_scattering_dim_for_loop_depth): Same.
477         (pbb_number_of_iterations): Same.
478         (pbb_number_of_iterations_at_time): Same.
479         * graphite-poly.h (new_1st_loop): Same.
480         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
481         (oppose_constraint): Same.
482         (insert_constraint_into_matrix): Same.
483         (ppl_set_inhomogeneous_gmp): Same.
484         (ppl_set_coef_gmp): Same.
485         (ppl_strip_loop): Same.
486         (ppl_lexico_compare_linear_expressions): Same.
487         (ppl_max_for_le_pointset): Same.
488         (ppl_min_for_le_pointset): Same.
489         (ppl_build_realtion): Same.
490         * graphite-ppl.h (gmp_cst_to_tree): Same.
491         (ppl_set_inhomogeneous): Same.
492         (ppl_set_inhomogeneous_tree): Same.
493         (ppl_set_coef): Same.
494         (ppl_set_coef_tree): Same.
495         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
496         (build_scop_scattering): Same.
497         (add_value_to_dim): Same.
498         (scan_tree_for_params_right_scev): Same.
499         (scan_tree_for_params_int): Same.
500         (scan_tree_for_params): Same.
501         (find_params_in_bb): Same.
502         (find_scop_parameters): Same.
503         (add_upper_bounds_from_estimated_nit): Same.
504         (build_loop_iteration_domains): Same.
505         (create_linear_expr_from_tree): Same.
506         (add_condition_to_domain): Same.
507         (pdr_add_memory_accesses): Same.
508
509 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
510             Jason Merrill  <jason@redhat.com>
511
512         * c-common.c (c_common_reswords): Add nullptr.
513         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
514         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
515         (gen_type_die_with_usage): Likewise.
516         * dbxout.c (dbxout_type): Likewise.
517         * sdbout.c (plain_type_1): Likewise.
518
519 2010-05-06  Jason Merrill  <jason@redhat.com>
520
521         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
522         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
523         ret appropriately.
524         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
525
526         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
527         stripping WITH_SIZE_EXPR.
528         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
529         change.
530
531 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
532
533         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
534         list of obsolete configurations.
535         Disabled check for obsolete configurations.
536         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
537         Removed support for previous versions.
538         * config/mips/iris.h: Removed.
539         * config/mips/iris5.h: Removed.
540         * config/mips/iris6.h: Merged old iris.h contents.
541         (TARGET_IRIX): Removed.
542         (DRIVER_SELF_SPECS): Removed mabi=32.
543         (IDENT_ASM_OP): Removed undef.
544         (STARTFILE_SPEC): Removed mabi=32.
545         (ENDFILE_SPEC): Likewise.
546         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
547         (MACHINE_TYPE): Update for IRIX 6.5.
548         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
549         TARGET_IRIX by TARGET_IRIX6.
550         (mips_file_start): Likewise.
551         (mips_output_external): Remove IRIX 5/6 O32 support.
552         (mips_output_function_prologue): Likewise.
553         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
554         TARGET_IRIX6.
555         (TARGET_CPU_CPP_BUILTINS): Likewise.
556         (TARGET_IRIX): Removed.
557         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
558         (MULTILIB_DIRNAMES): Removed 32.
559         (MULTILIB_OSDIRNAMES): Removed ../lib.
560         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
561         (Specific, mips-sgi-irix5): Document removal.
562         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
563         Remove references to older IRIX 6 releases and the O32 ABI.
564
565 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
566
567         PR bootstrap/43994
568         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
569         instead of DF_REF_REAL_REG.
570
571 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
572
573         PR target/43888
574         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
575         handling to still return true for x64 targets.
576
577 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
578
579         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
580
581 2010-05-06  Jan Hubicka  <jh@suse.cz>
582
583         PR tree-optimization/43791
584         * ipa-inline.c (update_caller_keys): Remove bogus
585         disregard_inline_limits check.
586
587 2010-05-06  Michael Matz  <matz@suse.de>
588
589         PR tree-optimization/43984
590         * tree-ssa-pre.c (inserted_phi_names): Remove.
591         (inserted_exprs): Change to bitmap.
592         (create_expression_by_pieces): Set bits, don't append to vector.
593         (insert_into_preds_of_block): Don't handle inserted_phi_names.
594         (eliminate): Don't look at inserted_phi_names, remove deleted
595         insns from inserted_exprs.
596         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
597         (init_pre, fini_pre): Allocate and free bitmaps.
598         (execute_pre): Insert insns on edges before elimination.
599
600 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
601
602         * tree.c (initializer_zerop): Handle STRING_CST.
603
604 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
605
606         PR 40989
607         * doc/invoke.texi (Wimplicit): Document as C only.
608         * opts.c (common_handle_option): Add argument kind.
609         (handle_option): Rename as read_cmdline_option. Factor out code to...
610         (handle_option): ... here. New.
611         (handle_options): Rename as read_cmdline_options.
612         (decode_options): Update call.
613         (set_option): Use option index instead of option pointer. Classify
614         diagnostics correctly.
615         (enable_warning_as_error): Call handle_option.
616         * opts.h (set_option): Update declaration.
617         (handle_option): Declare.
618         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
619         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
620         * c-opts.c (set_Wimplicit): Delete.
621         (c_family_lang_mask): New static constant.
622         (c_common_handle_option): Add argument kind. Use handle_option
623         instead of set_Wimplicit.
624         (c_common_post_options): warn_implicit and warn_implicit_int
625         are disabled by default.
626         * c-common.c (warn_implicit): Do not define here.
627         * c-common.h (warn_implicit): Do not declare here.
628         (c_common_handle_option): Update declaration.
629         * lto-opts.c (lto_reissue_options): Update call to set_option.
630
631 2010-05-06  Richard Guenther  <rguenther@suse.de>
632
633         PR tree-optimization/43571
634         * domwalk.c (walk_dominator_tree): Walk the dominator
635         sons in more optimal order.
636
637 2010-05-06  Richard Guenther  <rguenther@suse.de>
638
639         PR tree-optimization/43934
640         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
641         (stmt_cost): Likewise.
642         (extract_true_false_args_from_phi): New helper.
643         (determine_max_movement): For PHI nodes verify we can hoist them
644         and compute their cost.
645         (determine_invariantness_stmt): Handle PHI nodes.
646         (move_computations_stmt): Likewise.  Hoist PHI nodes in
647         if-converted form using COND_EXPRs.
648         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
649         (tree_ssa_lim): Likewise.
650         * tree-flow.h (tree_ssa_lim): Adjust prototype.
651         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
652
653 2010-05-06  Richard Guenther  <rguenther@suse.de>
654
655         PR tree-optimization/43987
656         * tree-ssa-structalias.c (could_have_pointers): For possibly
657         address-taken variables force pointers to be recorded.
658         (create_variable_info_for_1): Likewise.
659         (push_fields_onto_fieldstack): Pass in wheter all fields
660         must have pointers.
661         (find_func_aliases): Query types instead of vars whether
662         they contain pointers where appropriate.
663
664 2010-05-06  Jan Hubicka  <jh@suse.cz>
665
666         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
667         (record_reference, mark_address, mark_load, mark_store): Record
668         references.
669         (record_references_in_initializer): Update call of record_references.
670         (rebuild_cgraph_edges): Remove all references before rebuiding.
671         * cgraph.c (cgraph_create_node): Clear ref list.
672         (cgraph_remove_node): Remove references.
673         (dump_cgraph_node): Dump references.
674         (cgraph_clone_node): Clone references.
675         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
676         (struct cgraph_node, varpool_node): Add ref_lst.
677         * ipa-ref.c: New file.
678         * ipa-ref.h: New file.
679         * ipa-ref-inline.h: New file.
680         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
681         (referenced_from_other_partition_p): New function.
682         (lto_output_varpool_node): Take set arugment; call
683         referenced_from_other_partition.
684         (lto_output_ref): New.
685         (add_references): New.
686         (output_refs): New.
687         (output_cgraph): Compute boundary based on references; output refs.
688         (output_varpool): Accept cgraph_node_set argument.
689         (input_ref): New.
690         (input_refs): New.
691         (input_cgraph): Call input_refs.
692         * lto-section-in.c (lto_section_name): Add refs.
693         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
694         (ipa-ref.o): New file.
695         * varpool.c (varpool_node): Clear ipa ref list.
696         (varpool_remove_node): Remove references.
697         (dump_varpool_node): Dump references.
698         (varpool_assemble_decl): Only compile finalized ones.
699         (varpool_extra_name_alias): Initialize ref list.
700         * lto-streamer.c (lto-get_section_name): Add .refs section.
701         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
702         (referenced_from_other_partition_p): Declared.
703
704 2010-05-06  Ira Rosen  <irar@il.ibm.com>
705
706         PR tree-optimization/43901
707         * tree-vect-stmts.c (vectorizable_call): Assert that vector
708         type is not NULL if it's transformation phase, and return
709         FALSE if it's analysis.
710         (vectorizable_conversion, vectorizable_operation,
711         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
712
713 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
714
715         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
716         Delete.
717         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
718         New define.
719         * config/mips/mips-protos.h
720         (mips_small_register_classes_for_mode_p): Delete prototype.
721
722 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
723
724         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
725         * config/arm/arm.c (multiple_operation_profitable_p,
726         compute_offset_order): New static functions.
727         (load_multiple_sequence, store_multiple_sequence): Use them.
728         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
729         memory offsets, not register numbers.
730         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
731
732 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
733
734         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
735         (get_pending_sizes, put_pending_size, put_pending_sizes):
736         Update the uses of pending_sizes.
737         * c-decl.c (store_parm_decls): Likewise.
738         * c-tree.h (struct c_arg_info): Likewise.
739         * tree.h: Update the prototype for get_pending_sizes and
740         put_pending_sizes.
741
742 2010-05-05  Jason Merrill  <jason@redhat.com>
743
744         PR debug/43370
745         * c-common.c (handle_aligned_attribute): Respect
746         ATTR_FLAG_TYPE_IN_PLACE.
747
748         PR testsuite/43758
749         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
750         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
751         (TARGET_INITIALIZER): Use it.
752         * c-common.c (attribute_takes_identifier_p): Call it.
753         * c-common.h: Update prototype.
754         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
755         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
756
757 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
758
759         PR debug/43950
760         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
761         DW_ID_down_case for Fortran compilation units.
762
763 2010-05-05  Jan Hubicka  <jh@suse.cz>
764
765         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
766         handle aliases.
767
768 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
769
770         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
771         a variable-sized RESULT_DECL.
772
773 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
774
775         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
776
777 2010-05-05  Jason Merrill  <jason@redhat.com>
778
779         PR c++/43787
780         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
781         returns GS_OK.
782         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
783
784 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
785             Jakub Jelinek  <jakub@redhat.com>
786
787         PR debug/43478
788         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
789         (dead_debug_init, dead_debug_finish): New functions.
790         (dead_debug_add, dead_debug_insert_before): Likewise.
791         (df_note_bb_compute): Initialize a dead_debug object, add dead
792         debug uses to it, insert debug bind insns before death insns,
793         reset debug insns that refer to pending uses at the end.
794         * rtl.h (make_debug_expr_from_rtl): New prototype.
795         * varasm.c (make_debug_expr_from_rtl): New function.
796
797 2010-05-05  Jan Hubicka  <jh@suse.cz>
798
799         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
800         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
801         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
802         lto_varpool_encoder_deref, lto_varpool_encoder_size,
803         lto_varpool_encoder_encode_initializer_p,
804         lto_set_varpool_encoder_encode_initializer): New functions.
805         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
806         call output_varpool.
807         (input_varpool_node): Do not always set analyzed.
808         (input_cgraph_1): Return vector of cgraph nodes.
809         (input_varpool_1): Return vector of varpools.
810         (input_cgraph): Free the vectors.
811         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
812         output only initializers needed.
813         (lto_output): Only call output_cgraph.
814         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
815         * lto-section-out.c (lto_new_out_decl_state): Initialize
816         state->varpool_node_encoder.
817         * lto-streamer.h (lto_varpool_encoder_d): New.
818         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
819         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
820         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
821         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
822         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
823         Declare.
824         (output_varpool, input_varpool): Remove declarations.
825
826 2010-05-05  Jan Hubicka  <jh@suse.cz>
827
828         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
829         with body can prevail.
830
831 2010-05-05  Jan Hubicka  <jh@suse.cz>
832
833         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
834         size.
835
836 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
837
838         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
839
840         * gengtype.h (erro_at_line): Constify pos argument.
841
842         * gengtype.c: Include hashtab.h.
843         (enum gc_used): Document GC_MAYBE_POINTED_TO.
844         (error_at_line): Constify pos argument.
845         (do_typedef): Initialize p->opt field.
846         (get_file_gtfilename): Fix comment typo.
847         (struct walk_type_data): Constify line field.
848         (get_output_file_for_structure): New function.
849         (write_local_func_for_structure): Constify orig_s argument.
850         Use get_output_file_for_structure.
851         (write_func_for_structure): Use get_output_file_for_structure.
852         (INDENT): New define.
853         (dump_pair, dump_type, dump_type_list, dump_typekind)
854         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
855         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
856         functions.
857         (seen_types): New variable.
858         (main): New variable do_dump.  Process "-d" command line option.
859         Call dump_everything if dump requested.
860
861 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
862
863         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
864         in a temporary instead of invoking the macro multiple times.
865         (track_expr_p): Likewise.
866
867 2010-05-04  Neil Vachharajani <nvachhar@google.com>
868
869         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
870         per new semantics.
871         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
872         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
873         conditions for printing notes.
874         * common.opt (-Wcoverage-mismatch): Allow negative, default to
875         true, update documentation.
876         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
877
878 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
879
880         PR c/43981
881         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
882         on dimen.
883
884 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
885
886         PR target/43799
887         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
888         (*sse_prologue_save_insn1): Likewise.
889         (SSE prologue save splitter): Likewise.
890
891 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
892
893         * tree.c (free_lang_data_in_one_sizepos): New inline function.
894         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
895         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
896         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
897         all decls.  Call it on DECL_FIELD_OFFSET of fields.
898         (find_decls_types_r): Follow DECL_VALUE_EXPR.
899         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
900
901 2010-05-04  Martin Jambor  <mjambor@suse.cz>
902
903         * tree-sra.c (build_access_from_expr_1): The first parameter type
904         changed to simple tree.
905         (build_access_from_expr): Likewise, gsi parameter was eliminated.
906         (scan_assign_result): Renamed to assignment_mod_result, enum elements
907         renamed as well.
908         (build_accesses_from_assign): Removed all parameters except for a
909         simple gimple statement.  Now returns a simple bool.
910         (scan_function): All non-analysis parts moved to separate functions
911         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
912         parameters and updated both callers.
913         (sra_modify_expr): Removed parameter data.
914         (sra_modify_function_body): New function.
915         (perform_intra_sra): Call sra_modify_function_body to modify the
916         function body.
917         (replace_removed_params_ssa_names): Parameter data changed into
918         adjustments vector.
919         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
920         changed the parameter dont_convert to convert with the opposite
921         meaning.
922         (sra_ipa_modify_assign): Parameter data changed into adjustments
923         vector, return value changed to bool.
924         (ipa_sra_modify_function_body): New function.
925         (sra_ipa_reset_debug_stmts): Updated a comment.
926         (modify_function): Use ipa_sra_modify_function_body to modify function
927         body.
928
929 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
930
931         PR middle-end/43671
932         * alias.c (true_dependence): Handle the same VALUE in x and mem.
933         (canon_true_dependence): Likewise.
934         (write_dependence_p): Likewise.
935
936 2010-05-04  Jan Hubicka  <jh@suse.cz>
937
938         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
939         * cgraphbuild.c: Include ipa-utils.h
940         (record_reference_ctx): New struct.
941         (record_reference): Simplify to work on initializers; not statements.
942         (mark_address, mark_load, mark_store): New.
943         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
944         walk PHI nodes too.
945         (record_references_in_initializer): Update use of record_reference.
946         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
947         walk PHI nodes too.
948
949 2010-05-04  Jan Hubicka  <jh@suse.cz>
950
951         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
952         node will be removed anyway.
953         (lto_varpool_replace_node): Allow also unanalyzed nodes;
954         relink aliases of node into prevailing node.
955         * varpool.c (varpool_remove_node): Remove aliases properly;
956         when removing node, remove all its aliases too; remove DECL_INITIAL
957         of removed node; ggc_free the varpool node.
958
959 2010-05-04  Richard Guenther  <rguenther@suse.de>
960
961         PR tree-optimization/43879
962         * tree-ssa-structalias.c (alias_get_name): Use
963         DECL_ASSEMBLER_NAME if available.
964         (create_function_info_for): Return the varinfo node.
965         (ipa_pta_execute): Associate same-body aliases and extra names
966         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
967
968 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
969
970         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
971
972 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
973
974         PR bootstrap/43964
975         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
976         only if HONOR_REG_ALLOC_ORDER is not defined.
977
978 2010-05-04  Richard Guenther  <rguenther@suse.de>
979
980         PR tree-optimization/43949
981         * tree-vrp.c (extract_range_from_binary_expr): Only handle
982         TRUNC_MOD_EXPR.
983
984 2010-04-26  Jason Merrill  <jason@redhat.com>
985
986         * c.opt (-fstrict-enums): New.
987         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
988
989 2010-05-03  David Ung <davidu@mips.com>
990             James E. Wilson  <wilson@codesourcery.com>
991
992         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
993         emit the trap instruction before the divide for TUNE_74K.
994
995 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
996
997         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
998         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
999         based on the above, for new target hook.
1000
1001         * hooks.c (hook_bool_mode_true): New generic hook.
1002         * hooks.h (hook_bool_mode_true): Add prototype.
1003
1004         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1005         target hook.
1006         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1007         target hook, set to hook_bool_mode_false.
1008         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1009         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1010         with targetm.small_register_classes_for_mode_p.
1011         (find_reusable_reload): Likewise.
1012         (combine_reloads): Likewise.
1013         * reload1.c (reload_as_needed): Likewise.
1014         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1015         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1016         dead_or_predicable): Likewise.
1017         * regmove.c (optimize_reg_copy_1): Likewise.
1018         * calls.c (prepare_call_address): Likewise.
1019         (precompute_register_parameters): Likewise.
1020
1021         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1022         hook definition.
1023         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1024         implementation of the hook that considers all register classes
1025         small except for SH64.
1026         (sh_override_options): Use the new hook.
1027         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1028         Add prototype.
1029
1030         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1031         hook definition.
1032         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1033         implementation of the hook that considers all register classes
1034         small for THUMB1.
1035         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1036         Add prototype.
1037
1038         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1039         hook definition.
1040         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1041         implementation of the hook that considers all register classes
1042         small for MIPS16.
1043         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1044         Add prototype.
1045
1046         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1047         hook definition.
1048         * config/m32c/m32c.h: Likewise.
1049         * config/pdp11/pdp11.h: Likewise.
1050         * config/avr/avr.h: Likewise.
1051         * config/xtensa/xtensa.h: Likewise.
1052         * config/m68hc11/m68hc11.h: Likewise.
1053         * config/mn10300/mn10300.h: Likewise.
1054         * config/mcore/mcore.h: Likewise.
1055         * config/h8300/h8300.h: Likewise.
1056         * config/bfin/bfin.h: Likewise.
1057
1058         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1059         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1060
1061 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1062
1063         * double-int.h (tree_to_double_int): Remove macro.
1064         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1065         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1066         (tree_to_double_int): New function.
1067         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1068         Move ...
1069         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1070
1071 2010-05-03  Richard Guenther  <rguenther@suse.de>
1072
1073         PR tree-optimization/43971
1074         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1075         constraints in the !flag_delete_null_pointer_checks case.
1076
1077 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1078
1079         PR debug/43972
1080         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1081         result mode matches original rtl mode.
1082
1083 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1084
1085         PR target/43888
1086         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1087
1088 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1089
1090         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1091         when processing flag options.
1092
1093 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1094
1095         * gcov-iov.c (main): Change format string placeholder
1096         from %#08x to 0x%08x.
1097         * genchecksum.c (dosum): Change format string placeholder
1098         from %#02x to 0x%02x.
1099
1100 2010-05-02  Richard Guenther  <rguenther@suse.de>
1101
1102         PR tree-optimization/43879
1103         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1104
1105 2010-05-02  Bruno Haible  <bruno@clisp.org>
1106
1107         * doc/extend.texi (Function Attributes): Fix a typo.
1108
1109 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1110
1111         Revert:
1112         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1113         placeholder from 0x%x to %#x.
1114         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1115         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1116         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1117         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1118         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1119         * config/i386/i386.c (ix86_target_string): Ditto.
1120         * config/i386/i386.c (output_pic_addr_const): Ditto.
1121         (print_operand): Ditto.
1122
1123 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1124
1125         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1126         placeholder from 0x%x to %#x.
1127         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1128         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1129         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1130         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1131         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1132         * optc-gen.awk: Ditto.
1133         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1134         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1135         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1136         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1137
1138 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1139
1140         * target.h (struct calls): Add function_value_regno_p field.
1141         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1142         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1143         * targhooks.c (default_function_value_regno_p): New function.
1144         * targhooks.h (default_function_value_regno_p): Declare function.
1145         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1146         * builtins.c. (apply_result_size): (Ditto.).
1147         * combine.c. (likely_spilled_retval_p): (Ditto.).
1148         * mode-switching.c. Include 'target.h'.
1149         (create_pre_exit): Use function_value_regno_p hook.
1150         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1151         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1152         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1153
1154         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1155         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1156         (ix86_function_value_regno_p): Declare as static, change argument
1157         type to const unsigned int.
1158         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1159
1160 2010-05-01  Richard Guenther  <rguenther@suse.de>
1161
1162         PR tree-optimization/43949
1163         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1164         types.
1165         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1166
1167 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1168
1169         * rtl.h (CONST_DOUBLE_P): Define.
1170         (rtx_to_double_int): Declare.
1171         * emit-rtl.c (rtx_to_double_int): New function.
1172         * dwarf2out.c (insert_double): New function.
1173         (loc_descriptor, add_const_value_attribute): Clean up, use
1174         rtx_to_double_int and insert_double functions.
1175
1176 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1177
1178         * doc/extend.texi (Inline): Add missing return keyword to examples.
1179         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1180         "command-line".
1181
1182 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1183
1184         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1185         the variable part of the offset as well.  Use highest_pow2_factor for
1186         all alignment checks.
1187
1188 2010-04-30  Richard Guenther  <rguenther@suse.de>
1189
1190         PR tree-optimization/43879
1191         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1192         can have pointers.
1193
1194 2010-04-30  Jan Hubicka  <jh@suse.cz>
1195
1196         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1197         varpool.
1198         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1199
1200 2010-04-30  Jan Hubicka  <jh@suse.cz>
1201
1202         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1203         New.
1204         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1205         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1206         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1207         cgraph_node_set_needs_ltrans_p): Remove.
1208
1209 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1210
1211         * sdbout.c: Include vec.h, do not include varray.h.
1212         (deferred_global_decls, sdbout_global_decl,
1213         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1214         * toplev.c: Do not include varray.h.
1215         (dump_memory_report): Do not dump VARRAY statistics.
1216         * gengtype.c (open_base_file): Ignore varray.h.
1217         * Makefile.in: Update for abovementioned changes.
1218         Remove all traces of varray.c and varray.h.
1219         * varray.c: Remove file.
1220         * varray.h: Remove file.
1221
1222 2010-04-30  Jan Hubicka  <jh@suse.cz>
1223
1224         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1225         references.
1226
1227 2010-04-30  Jan Hubicka  <jh@suse.cz>
1228
1229         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1230         needed.
1231
1232 2010-04-30  Richard Guenther  <rguenther@suse.de>
1233
1234         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1235         constraints for CONSTRUCTOR.
1236
1237 2010-04-30  Richard Guenther  <rguenther@suse.de>
1238
1239         PR lto/43946
1240         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1241         first after all lowering passes.
1242
1243 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1244
1245         * toplev.c: Include varray.h for statistics dumping.
1246         * tree.h: Do not declare varray_head_tag.
1247         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1248         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1249         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1250         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1251         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1252         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1253         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1254         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1255         include varray.h.
1256         * Makefile.in: Update for abovementioned changes.
1257
1258 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1259
1260         PR debug/43942
1261         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1262
1263 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1264
1265         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1266         Use this function to do machine-specific conversion.
1267         (picochip_legitimize_reload_address): Likewise.
1268         (picochip_legitimate_address_p): Check valid base register only if
1269         strict.
1270         (picochip_check_conditional_copy): Check for modw only if opnd is
1271         register.
1272         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1273         to call the function in c.
1274         * config/picochip/picochip-protos.h
1275         (picochip_legitimize_reload_address): Define.
1276         * config/picochip/picochip.md (supported_compare1): Define.
1277
1278 2010-04-30  Jan Hubicka  <jh@suse.cz>
1279
1280         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1281         (cgraph_global_info): Remove inlined.
1282         (LTO_cgraph_tag_names): Remove.
1283         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1284         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1285         simplify cgraph tags and document.
1286         (lto_output_node): Use only LTO_cgraph_unavail_node and
1287         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1288         for_functions_valid, global info, process and output flags.
1289         (input_overwrite_node): Initialize estimated stack size and
1290         estimated growth.  Do not read flags we no longer store.
1291         (input_node): Likewise do not read info no longer stored.
1292         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1293         flag.
1294
1295 2010-04-30  Richard Guenther  <rguenther@suse.de>
1296
1297         PR tree-optimization/43879
1298         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1299         handle non-zero initializers.
1300
1301 2010-04-30  Richard Guenther  <rguenther@suse.de>
1302
1303         * builtins.c (fold_builtin_1): Delete free (0).
1304
1305 2010-04-29  Jan Hubicka  <jh@suse.cz>
1306
1307         * gengtype.c (open_base_files): Add lto-streamer.h
1308         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1309         (pass_ipa_cp): GGC collect.
1310         * toplev. (compile_file): Do not output symbols.
1311         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1312         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1313         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1314         * lto-section-in.c: Include ggc.h
1315         (lto_new_in_decl_state): Alloc in GGC.
1316         (lto_delete_in_decl_state): Likewise.
1317         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1318         Collect.
1319
1320 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1321
1322         PR target/42895
1323         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1324         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1325         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1326         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1327         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1328         account only if HONOR_REG_ALLOC_ORDER is not defined.
1329         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1330         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1331
1332 2010-04-29  Jon Grant  <04@jguk.org>
1333
1334         * collect2.c (vflag): Change type from int to bool.
1335         (debug): Likewise.
1336         (helpflag): New global bool.
1337         (main): Set vflag and debug with boolean, not integer truth values.
1338         Accept new "--help" option and output usage text if found.
1339         * collect2.h (vflag): Update prototype.
1340         (debug): Likewise.
1341
1342 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1343
1344         PR bootstrap/43936
1345         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1346
1347 2010-04-29  Richard Guenther  <rguenther@suse.de>
1348
1349         PR bootstrap/43935
1350         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1351         with ATTRIBUTE_UNUSED.
1352
1353 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1354
1355         PR target/43921
1356         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1357         INSN_P with NONDEBUG_INSN_P.
1358         (distance_non_agu_define): Likewise.
1359         (distance_agu_use): Likewise.
1360
1361 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1362
1363         From Dominique d'Humieres <dominiq@lps.ens.fr>
1364         PR bootstrap/43858
1365         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1366         test_set.
1367
1368 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1369
1370         * plugin.h (invoke_plugin_callbacks): New inline function.
1371         * plugin.c (flag_plugin_added): New global flag.
1372         (add_new_plugin): Initialize above flag.
1373         (invoke_plugin_callbacks): Rename to ...
1374         (invoke_plugin_callbacks_full): ... this.
1375
1376 2010-04-28  Jan Hubicka  <jh@suse.cz>
1377
1378         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1379         (lto_varpool_replace_node): New.
1380         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1381         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1382         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1383         * cgraph.h (varpool_node_ptr): New type.
1384         (varpool_node_ptr): New vector.
1385         (varpool_node_set_def): New structure.
1386         (varpool_node_set): New type.
1387         (varpool_node_set): New vector.
1388         (varpool_node_set_element_def): New structure.
1389         (varpool_node_set_element, const_varpool_node_set_element): New types.
1390         (varpool_node_set_iterator): New type.
1391         (varpool_node): Add prev pointers, add used_from_other_partition,
1392         in_other_partition.
1393         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1394         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1395         varpool_get_node, varpool_remove_node): Declare.
1396         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1397         varpool_node_set_size): New inlines.
1398         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1399         * tree-pass.h (varpool_node_set_def): Forward declare.
1400         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1401         (ipa_write_optimization_summaries): Update prototype.
1402         * ipa-cp.c (ipcp_write_summary): Update.
1403         * ipa-reference.c (ipa_reference_write_summary): Update.
1404         * lto-cgraph.c (lto_output_varpool_node): New static function.
1405         (output_varpool): New function.
1406         (input_varpool_node): New static function.
1407         (input_varpool_1): New function.
1408         (input_cgraph): Input varpool.
1409         * ipa-pure-const.c (pure_const_write_summary): Update.
1410         * lto-streamer-out.c (lto_output): Update, output varpool too.
1411         (write_global_stream): Kill WPA hack.
1412         (produce_asm_for_decls): Update.
1413         (output_alias_pair_p): Handle variables.
1414         (output_unreferenced_globals): Output only needed partition of varpool.
1415         * ipa-inline.c (inline_write_summary): Update.
1416         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1417         cgraph.
1418         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1419         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1420         varpool_node_set_new, varpool_node_set_add,
1421         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1422         debug_varpool_node_set): New functions.
1423         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1424         (execute_one_pass): Process new decls too.
1425         (ipa_write_summaries_2): Pass around vsets.
1426         (ipa_write_summaries_1): Likewise.
1427         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1428         to add.
1429         (ipa_write_optimization_summaries_1): Pass around vsets.
1430         (ipa_write_optimization_summaries): Likewise.
1431         * varpool.c (varpool_get_node): New.
1432         (varpool_node): Update doubly linked lists.
1433         (varpool_remove_node): New.
1434         (dump_varpool_node): More dumping.
1435         (varpool_enqueue_needed_node): Update doubly linked lists.
1436         (decide_is_variable_needed): Kill ltrans hack.
1437         (varpool_finalize_decl): Kill lto hack.
1438         (varpool_assemble_decl): Skip decls in other partitions.
1439         (varpool_assemble_pending_decls): Update doubly linkes lists.
1440         (varpool_empty_needed_queue): Likewise.
1441         (varpool_extra_name_alias): Likewise.
1442         * lto-streamer.c (lto_get_section_name): Add vars section.
1443         * lto-streamer.h (lto_section_type): Update.
1444         (output_varpool, input_varpool): Declare.
1445
1446 2010-04-28  Mike Stump  <mikestump@comcast.net>
1447
1448         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1449
1450 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1451
1452         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1453         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1454         (lto_input_ts_type_tree_pointers): Likewise.
1455         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1456         (lto_output_ts_type_tree_pointers): Likewise.
1457
1458 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1459
1460         Uniquization of constants at the Tree level
1461         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1462         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1463         bit to the end.
1464         (tree_output_constant_def): Declare.
1465         * gimplify.c (gimplify_init_constructor): When using block copy, first
1466         uniquize the constant constructor on the RHS.
1467         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1468         DECL_IN_CONSTANT_POOL flag.
1469         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1470         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1471         constant pool.
1472         (assemble_variable): Deal with symbols belonging to the tree constant
1473         pool.
1474         (get_constant_section): Add ALIGN parameter and simplify.
1475         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1476         (assemble_constant_contents): Use the expression of the VAR_DECL.
1477         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1478         (tree_output_constant_def): New global function.
1479         (mark_constant): Use the expression of the VAR_DECL.
1480         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1481         its expression.
1482         (output_object_block): Likewise and assemble the expression.
1483
1484 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1487         hash_tree, eq_tree): New tree hash table.
1488         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1489         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1490         lto_orig_address_remove): Reimplement.
1491
1492 2010-04-28  Xinliang David Li  <davidxl@google.com>
1493
1494         PR c/42643
1495         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1496         (compute_uninit_opnds_pos): New function.
1497         (is_non_loop_exit_postdominating): New function.
1498         (compute_control_dep_chain): New function.
1499         (find_pdom): New function.
1500         (convert_control_dep_chain_into_preds): New function.
1501         (find_predicates): New function.
1502         (find_control_equiv_block): New function.
1503         (collect_phi_def_edges): New function.
1504         (find_def_preds): New function.
1505         (find_dom): New function.
1506         (dump_predicates): New function.
1507         (get_cmp_code): New function.
1508         (is_value_included_in): New function.
1509         (find_matching_predicate_in_rest_chains): New function.
1510         (use_pred_not_overlap_with_undef_path_pred): New function.
1511         (is_use_properly_guarded): New function.
1512         (normalize_cond_1): New function.
1513         (is_and_or_or): New function.
1514         (normalize_cond): New function.
1515         (is_gcond_subset_of): New function.
1516         (is_subset_of_any): New function.
1517         (is_or_set_subset_of): New function.
1518         (is_and_set_subset_of): New function.
1519         (is_norm_cond_subset_of): New function.
1520         (is_pred_expr_subset_of): New function.
1521         (is_pred_chain_subset_of): New function.
1522         (is_included_in): New function.
1523         (is_superset_of): New function.
1524         (find_uninit_use): New function.
1525         (warn_uninitialized_phi): New function.
1526         (compute_possibly_undefined_names): New function.
1527         (ssa_undefined_value_p): New function.
1528         (execute_late_warn_uninitialized): New function.
1529         * tree-ssa.c (ssa_undefined_value_p): Removed.
1530         (warn_uninit): Changed to extern.
1531         (warn_uninitialized_phi): Removed.
1532         (warn_uninitialized_vars): Changed to extern.
1533         (execute_late_warn_uninitialized): Removed
1534         * tree-flow.h: Add new prototypes.
1535         * timevar.def: Add new time variable.
1536         * Makefile.in: Add new build file.
1537
1538 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1539
1540         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1541         type if available.
1542
1543 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1544
1545         PR target/22224
1546         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1547
1548 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1549
1550         * cgraph.h (struct cgraph_node): New field indirect_calls.
1551         (struct cgraph_indirect_call_info): New type.
1552         (struct cgraph_edge): Removed field indirect_call. New fields
1553         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1554         (cgraph_create_indirect_edge): Declare.
1555         (cgraph_make_edge_direct): Likewise.
1556         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1557         * ipa-prop.h (struct ipa_param_call_note): Removed.
1558         (struct ipa_node_params): Removed field param_calls.
1559         (ipa_create_all_structures_for_iinln): Declare.
1560         * cgraph.c: Described indirect edges and uids in initial comment.
1561         (cgraph_add_edge_to_call_site_hash): New function.
1562         (cgraph_edge): Search also among the indirect edges, use
1563         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1564         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1565         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1566         site hash.
1567         (initialize_inline_failed): Assign a reason to indirect edges.
1568         (cgraph_create_edge_1): New function.
1569         (cgraph_create_edge): Moved some functionality to
1570         cgraph_create_edge_1.
1571         (cgraph_create_indirect_edge): New function.
1572         (cgraph_edge_remove_callee): Add an assert checking for
1573         non-indirectness.
1574         (cgraph_edge_remove_caller): Special-case indirect edges.
1575         (cgraph_remove_edge): Likewise.
1576         (cgraph_set_edge_callee): New function.
1577         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1578         (cgraph_make_edge_direct): New function.
1579         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1580         the declaration of the call statement matches.
1581         (cgraph_node_remove_callees): Special-case indirect edges.
1582         (cgraph_clone_edge): Likewise.
1583         (cgraph_clone_node): Clone also the indirect edges.
1584         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1585         indirect_call, dump count of indirect_calls edges.
1586         * ipa-prop.c (iinlining_processed_edges): New variable.
1587         (ipa_note_param_call): Create indirect edges instead of
1588         creating notes.  New parameter node.
1589         (ipa_analyze_call_uses): New parameter node, pass it on to
1590         ipa_note_param_call.
1591         (ipa_analyze_stmt_uses): Likewise.
1592         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1593         (print_edge_addition_message): Work on edges rather than on notes.
1594         (update_call_notes_after_inlining): Likewise, renamed to
1595         update_indirect_edges_after_inlining.
1596         (ipa_create_all_structures_for_iinln): New function.
1597         (ipa_free_node_params_substructures): Do not free notes.
1598         (ipa_edge_duplication_hook): Propagate bits within
1599         iinlining_processed_edges bitmap.
1600         (ipa_node_duplication_hook): Do not duplicate notes.
1601         (free_all_ipa_structures_after_ipa_cp): Renamed to
1602         ipa_free_all_structures_after_ipa_cp.
1603         (free_all_ipa_structures_after_iinln): Renamed to
1604         ipa_free_all_structures_after_iinln.
1605         (ipa_write_param_call_note): Removed.
1606         (ipa_read_param_call_note): Removed.
1607         (ipa_write_indirect_edge_info): New function.
1608         (ipa_read_indirect_edge_info): Likewise.
1609         (ipa_write_node_info): Do not stream notes, do stream information
1610         in indirect edges.
1611         (ipa_read_node_info): Likewise.
1612         (lto_ipa_fixup_call_notes): Removed.
1613         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1614         * ipa-inline.c (pass_ipa_inline): Likewise.
1615         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1616         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1617         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1618         is_gimple_call.
1619         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1620         edges.
1621         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1622         (output_cgraph): Stream also indirect edges.
1623         (lto_output_edge): Added capability to stream indirect edges.
1624         (input_edge): Likewise.
1625         (input_cgraph_1): Likewise.
1626         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1627         of indirect edges.
1628
1629 2010-04-28  Richard Guenther  <rguenther@suse.de>
1630
1631         PR tree-optimization/43879
1632         PR tree-optimization/43909
1633         * tree-ssa-structalias.c (struct variable_info): Add
1634         only_restrict_pointers flag.
1635         (new_var_info): Initialize it.  Increment stats.total_vars here.
1636         (create_function_info_for): Do not increment stats.total_vars here.
1637         (get_function_part_constraint): Fix build with C++.
1638         (insert_into_field_list): Remove.
1639         (push_fields_onto_fieldstack): Properly merge fields.
1640         (create_variable_info_for): Split and simplify.
1641         (create_variable_info_for_1): New piece.
1642         (intra_create_variable_infos): Properly make restrict constraints
1643         from parameters.
1644
1645 2010-04-28  Richard Guenther  <rguenther@suse.de>
1646
1647         PR c++/43880
1648         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1649
1650 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1651             Jan Hubicka <hubicka@ucw.cz>
1652
1653         * doc/invoke.texi (-Wsuggest-attribute=const,
1654         -Wsuggest-attribute=pure): Document.
1655         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1656         (function_always_visible_to_compiler_p,
1657         suggest_attribute, warn_function_pure, warn_function_const):
1658         New functions.
1659         (check_call): Improve debug info.
1660         (analyze_function): Do not check availability.
1661         (add_new_function): Check availability.
1662         (propagate): Output warnings.
1663         (skip_function_for_local_pure_const): New function.
1664         (local_pure_const): Use it; output warnings.
1665         * common.opt (Wsuggest-attribute=const,
1666         Wsuggest-attribute=pure): New.
1667
1668 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1669
1670         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1671         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1672         or DW_CFA_def_cfa_offset{,_sf}.
1673
1674 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1675
1676         * tree.h: Fix truncated long macros.
1677
1678 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1679
1680         * collect2.c (TARGET_64BIT): Redefine to target's default.
1681         * tlink.c: Likewise.
1682         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1683         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1684         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1685         for underscoring __USER_LABEL_PREFIX__.
1686         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1687         (SUB_LINK_ENTRY32): New.
1688         (SUB_LINK_ENTRY64): New.
1689         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1690         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1691         (SUB_LINK_ENTRY64): New.
1692         (SUB_LINK_ENTRY): New.
1693         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1694         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1695         x64 target is choosen.
1696         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1697         * configure: Regenerated.
1698         * configure.ac (leading-mingw64-underscores): Option added.
1699
1700 2010-04-27  Jan Hubicka  <jh@suse.cz>
1701
1702         * doc/invoke.texi (-fipa-profile): Document.
1703         * opts.c (decode_options): Enable ipa-profile at -O1.
1704         * timevar.def (TV_IPA_PROFILE): Define.
1705         * common.opt (fipa-profile): Add.
1706         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1707         flag for clones.
1708         (cgraph_propagate_frequency): Handle only local ones.
1709         * tree-pass.h (pass_ipa_profile): Declare.
1710         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1711         (pass_ipa_profile): Use TV_IPA_PROFILE.
1712         * ipa.c (ipa_profile): New function.
1713         (gate_ipa_profile): Likewise.
1714         (pass_ipa_profile): New global variable.
1715         * passes.c (pass_ipa_profile): New.
1716
1717 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1718
1719         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1720
1721 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1722
1723         PR middle-end/43812
1724         * ipa.c (dissolve_same_comdat_group_list): New function.
1725         (function_and_variable_visibility): Call
1726         dissolve_same_comdat_group_list when comdat group contains external or
1727         newly local nodes.
1728         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1729         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1730
1731 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1732
1733         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1734         (const_hash_1) <VECTOR_CST>: New case.
1735         (compare_constant) <VECTOR_CST>: Likewise.
1736         <ADDR_EXPR>: Deal with LABEL_REFs.
1737         (copy_constant) <VECTOR_CST>: New case.
1738
1739 2010-04-27  Jan Hubicka  <jh@suse.cz>
1740
1741         * cgraph.c (cgraph_propagate_frequency): New function.
1742         * cgraph.h (cgraph_propagate_frequency): Declare.
1743         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1744         cgraph_propagate_frequency.
1745
1746 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1747
1748         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1749
1750 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1751
1752         PR target/40657
1753         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1754         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1755         here to determine which regs to push and how much stack to reserve.
1756
1757 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1758
1759         * doc/gimple.texi (gimple_statement_with_ops): Remove
1760         addresses_taken field.
1761         (gimple_statement_with_memory_ops): Likewise.
1762
1763 2010-04-27  Jan Hubicka  <jh@suse.cz>
1764
1765         * tree-inline.c (eni_inlining_weights): Remove.
1766         (estimate_num_insns): Special case more builtins.
1767
1768 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1769
1770         PR c/32207
1771         * c-typeck.c (build_binary_op): Move forward check for comparison
1772         pointer with null pointer constant and adjust the diagnostic message.
1773
1774 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1775
1776         PR lto/42776
1777         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1778         binutils supports extended .section directive needed by LTO, or
1779         warn if older binutils found.
1780         (LTO_BINARY_READER): New AC_SUBST'd variable.
1781         (LTO_USE_LIBELF): Likewise.
1782         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1783         variable.
1784         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1785         (LTO_USE_LIBELF): Likewise.
1786         * configure: Regenerate.
1787
1788         * collect2.c (is_elf): Rename from this ...
1789         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1790          object files in addition to ELF-formatted ones.
1791         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1792         symbol to be prefixed or not by an extra underscore.
1793
1794         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1795         * config/i386/winnt.c: Also #include lto-streamer.h
1796         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1797         LTO named sections.
1798         (i386_pe_asm_output_aligned_decl_common): Add comment.
1799         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1800
1801 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1802
1803         PR target/43889
1804         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1805         Add missing earlyclobber for second alternative.
1806
1807 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1808
1809         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1810         bits for artificial defs at the top of the block.
1811         * fwprop.c (single_def_use_enter_block): Don't call it.
1812
1813 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1814
1815         PR 43715
1816         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1817         instead of "$gcc_cv_objdump -T".
1818         Use "-undefined dynamic_lookup" on darwin.
1819         * gcc/configure: Regenerate.
1820
1821 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1822
1823         PR c/43893
1824         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1825
1826 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1827
1828         * c-parser.c (struct c_token): Move location field up.
1829         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1830         (struct c_declspecs): Convert typespec_word, storage_class, and
1831         default_int_p into bitfields.
1832         (struct c_declarator): Move loc field up.
1833
1834 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1835
1836         * cfgloop.h (struct loop): Move can_be_parallel field up.
1837         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1838         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1839         down.
1840         (struct iv_cand): Convert pos field into a bitfield.
1841         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1842         field up.
1843         (struct _stmt_vec_info): Shuffle fields for better packing.
1844
1845 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1846
1847         * varasm.c (IN_NAMED_SECTION): Remove guard.
1848         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1849         (IN_NAMED_SECTION_P): ...this.
1850         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1851         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1852
1853 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1854
1855         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1856         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1857         of shadowing it.  Fix comments.
1858
1859 2010-04-26  Jan Hubicka  <jh@suse.cz>
1860
1861         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1862         (cgraph_clone_node): Copy function frequency.
1863         * cgraph.h (node_frequency): New enum
1864         (struct cgraph_node): Add.
1865         * final.c (rest_of_clean_state): Update.
1866         * lto-cgraph.c (lto_output_node): Output node frequency.
1867         (input_overwrite_node): Input node frequency.
1868         * tre-ssa-loop-ivopts (computation_cost): Update.
1869         * lto-streamer-out.c (output_function): Do not output function
1870         frequency.
1871         * predict.c (maybe_hot_frequency_p): Update and handle functions
1872         executed once.
1873         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1874         attribute lookup.
1875         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1876         (compute_function_frequency): Set noreturn functions to be executed
1877         once.
1878         (choose_function_section): Update.
1879         * lto-streamer-in.c (input_function): Do not input function frequency.
1880         * function.c (allocate_struct_function): Do not initialize function
1881         frequency.
1882         * function.h (function_frequency): Remove.
1883         (struct function): Remove function frequency.
1884         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1885         (try_update): Update.
1886         * tree-inline.c (initialize_cfun): Do not update function frequency.
1887         * passes.c (pass_init_dump_file): Update.
1888         * i386.c (ix86_compute_frame_layout): Update.
1889         (ix86_pad_returns): Update.
1890
1891 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1892
1893         PR tree-optimization/43833
1894         * tree-vrp.c (range_int_cst_p): New.
1895         (range_int_cst_singleton_p): New.
1896         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1897         when both operands are constants.  Use range_int_cst_p in
1898         BIT_IOR_EXPR case.
1899
1900 2010-04-26  Jan Hubicka  <jh@suse.cz>
1901
1902         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1903
1904 2010-04-26  Richard Guenther  <rguenther@suse.de>
1905
1906         PR lto/43080
1907         * gimple.c (gimple_decl_printable_name): Deal gracefully
1908         with a NULL DECL_NAME.
1909
1910 2010-04-26  Richard Guenther  <rguenther@suse.de>
1911
1912         PR lto/42425
1913         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1914         if emitting debug information and it is either a function
1915         or a namespace decl.
1916
1917 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1918
1919         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1920         determine if the statement is vectorizable, and a macro to access it.
1921         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1922         Skip statements that can't be vectorized. If the analysis fails,
1923         mark the statement as unvectorizable if vectorizing basic block.
1924         (vect_compute_data_refs_alignment): Likewise.
1925         (vect_verify_datarefs_alignment): Skip statements marked as
1926         unvectorizable. Add print.
1927         (vect_analyze_group_access): Skip statements that can't be
1928         vectorized. If the analysis fails, mark the statement as
1929         unvectorizable if vectorizing basic block.
1930         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1931         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1932         generated stmts for SLP.
1933         (new_stmt_vec_info): Initialize the new field.
1934         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1935         statements marked as unvectorizable.
1936
1937 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1938
1939         * c-common.c (flag_isoc1x): New.
1940         (flag_isoc99): Update comment.
1941         * c-common.h (flag_isoc1x): New.
1942         (flag_isoc99): Update comment.
1943         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1944         __<type>_DECIMAL_DIG__.
1945         * c-opts.c (set_std_c1x): New.
1946         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1947         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1948         * c.opt (-std=c1x, -std=gnu1x): New options.
1949         * doc/cpp.texi: Mention -std=c1x.
1950         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1951         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1952         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1953         * doc/standards.texi: Mention C1X.
1954         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1955         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1956         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1957         Define for C1X.
1958
1959 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1960
1961         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1962         placeholder from 0x%x to %#x.
1963         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1964         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1965         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1966         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1967         * config/i386/i386.c (ix86_target_string): Ditto.
1968         (output_pic_addr_const): Ditto.
1969         (print_operand): Ditto.
1970
1971 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1972
1973         * combine.c (find_split_point): Add third argument.  Use it
1974         to find nested multiply-accumulate instructions.  Adjust calls.
1975         (try_combine): Adjust call to find_split_point.
1976
1977 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1978
1979         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1980
1981 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1982
1983         PR tree-optimization/41442
1984         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1985         (fold_binary_loc): Call it.
1986
1987 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1988
1989         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1990         * opts.c (common_handle_option): Allow disabling it.
1991         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1992
1993 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1994
1995         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1996         between modes if both types are integral.
1997
1998 2010-04-23  Richard Guenther  <rguenther@suse.de>
1999
2000         PR tree-optimization/43572
2001         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2002
2003 2010-04-23  Richard Guenther  <rguenther@suse.de>
2004
2005         PR lto/43455
2006         * tree-inline.c (tree_can_inline_p): Also check compatibility
2007         of return types.
2008
2009 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2010
2011         PR tree-optimization/43846
2012         * tree-sra.c (struct access): New flag grp_assignment_read.
2013         (build_accesses_from_assign): Set grp_assignment_read.
2014         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2015         (enum mark_read_status): New type.
2016         (analyze_access_subtree): Propagate grp_assignment_read, create
2017         accesses also if both direct_read and root->grp_assignment_read.
2018
2019 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2020
2021         PR middle-end/43835
2022         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2023         function does not have type attributes.
2024
2025 2010-04-23  Richard Guenther  <rguenther@suse.de>
2026
2027         PR lto/42653
2028         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2029         of FUNCTION_DECLs.
2030
2031 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2032
2033         * sese.h (create_if_region_on_edge): Remove.
2034
2035         * sese.c (create_if_region_on_edge): Make static.
2036
2037         * tree-inline.c: Do not include ggc.h.
2038
2039         * expr.c: Do not include ggc.h.
2040
2041         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2042         dependencies.
2043
2044 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2045
2046         PR target/43744
2047         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2048         in the middle of insns for casesi_worker_2.
2049
2050 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2051
2052         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2053
2054 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2055
2056         PR tree-optimization/43842
2057         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2058         loop unrolling in update of exit phis. Fix comment.
2059         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2060         least two reduction statements in the loop before starting SLP
2061         analysis.
2062
2063 2010-04-22  Nick Clifton  <nickc@redhat.com>
2064
2065         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2066
2067 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2068
2069         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2070         to simplify a + ~a.
2071
2072 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2073
2074         * tree-parloops.c (loop_parallel_p): New argument
2075         parloop_obstack.  Pass it down.
2076         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2077         pass it down, free it.
2078
2079         * tree-loop-linear.c (linear_transform_loops): Pass down
2080         lambda_obstack.
2081
2082         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2083         of type struct obstack *.
2084
2085         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2086         scratch_obstack.  Initialize it, pass down, free it.
2087
2088         * lambda.h (lambda_loop_new): Remove.
2089         (lambda_matrix_new, lambda_matrix_inverse)
2090         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2091         argument of type struct obstack *.
2092
2093         * lambda-trans.c (lambda_trans_matrix_new): New argument
2094         lambda_obstack.  Pass it down, use obstack allocation for ret.
2095         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2096         it down.
2097
2098         * lambda-mat.c (lambda_matrix_get_column)
2099         (lambda_matrix_project_to_null): Remove.
2100         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2101         allocation for mat.
2102         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2103         lambda_obstack.
2104
2105         * lambda-code.c (lambda_loop_new): New function.
2106         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2107         (lambda_compute_auxillary_space, lambda_compute_target_space)
2108         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2109         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2110         (build_access_matrix): New argument lambda_obstack.  Use obstack
2111         allocation for am.
2112         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2113         argument lambda_obstack.  Pass it down.
2114
2115 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2116
2117         * optabs.h (expand_widening_mult): Declare.
2118
2119 2010-04-22  Richard Guenther  <rguenther@suse.de>
2120
2121         PR tree-optimization/43845
2122         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2123         lookup the CALL_EXPR function and arguments.
2124
2125 2010-04-22  Nick Clifton  <nickc@redhat.com>
2126
2127         * config/stormy16/stormy16.c
2128         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2129         * config/stormy16/stormy16.h: Tidy up formatting.
2130         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2131         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2132         (ineqbranchsi): Delete pattern.
2133         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2134         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2135         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2136         stormy16-lib2-ucmpsi2.c.
2137
2138 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2139
2140         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2141         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2142         extra set merge_set_noclobber, and use it to relax the final test
2143         slightly.
2144         * df.h (df_simulate_find_noclobber_defs): Declare.
2145         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2146         conditional defs.
2147         (df_simulate_find_noclobber_defs): New function.
2148
2149 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2150
2151         * config/i386/i386.md: Use {} around multi-line preparation statements.
2152
2153 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2154
2155         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2156         (process_init_element): New argument of type struct obstack *.
2157
2158         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2159         (set_init_index, set_init_label, set_nonincremental_init)
2160         (set_nonincremental_init_from_string, find_init_member)
2161         (output_init_element, output_pending_init_elements)
2162         (process_init_element): New argument braced_init_obstack.  Pass it
2163         down.
2164         (push_range_stack, add_pending_init): New argument
2165         braced_init_obstack.  Use obstack allocation.
2166
2167         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2168         braced_init_obstack.  Pass it down.
2169         (c_parser_braced_init): New variables ret, braced_init_obstack.
2170         Initialize obstack, pass it down and finally free it.
2171
2172 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2173
2174         PR middle-end/29274
2175         * tree-pass.h (pass_optimize_widening_mul): Declare.
2176         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2177         gate_optimize_widening_mul): New static functions.
2178         (pass_optimize_widening_mul): New.
2179         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2180         <case MULT_EXPR>: Remove support for widening multiplies.
2181         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2182         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2183         simplify_gen_unary rather than directly building extensions.
2184         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2185         WIDEN_MULT_EXPR.
2186         * expmed.c (expand_widening_mult): New function.
2187         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2188
2189 2010-04-21  Jan Hubicka  <jh@suse.cz>
2190
2191         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2192         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2193         * lto-wpa-fixup.c: Remove.
2194         * Makefile.in (lto-wpa-fixup.o): Remove.
2195         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2196         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2197         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2198
2199 2010-04-21  Jan Hubicka  <jh@suse.cz>
2200
2201         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2202         add write_optimization_summary, read_optimization_summary.
2203         (ipa_write_summaries_of_cgraph_node_set): Remove.
2204         (ipa_write_optimization_summaries): Declare.
2205         (ipa_read_optimization_summaries): Declare.
2206         * ipa-cp.c (pass_ipa_cp): Update.
2207         * ipa-reference.c (pass_ipa_reference): Update.
2208         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2209         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2210         Update.
2211         * ipa-inline.c (pass_ipa_inline): Update.
2212         * ipa.c (pass_ipa_whole_program): Update.
2213         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2214         * passes.c (ipa_write_summaries_1): Do not test wpa.
2215         (ipa_write_optimization_summaries_1): New.
2216         (ipa_write_optimization_summaries): New.
2217         (ipa_read_summaries): Do not test ltrans.
2218         (ipa_read_optimization_summaries_1): New.
2219         (ipa_read_optimization_summaries): New.
2220
2221 2010-04-21  Jan Hubicka  <jh@suse.cz>
2222
2223         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2224         for boundary nodes.
2225         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2226
2227 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2228
2229         PR debug/40040
2230         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2231         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2232
2233 2010-04-21  Jan Hubicka  <jh@suse.cz>
2234
2235         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2236
2237 2010-04-21  Jan Hubicka  <jh@suse.cz>
2238
2239         * varpool.c (decide_is_variable_needed): Variable is always needed
2240         during ltrans.
2241
2242 2010-04-21  Jan Hubicka  <jh@suse.cz>
2243
2244         * opts.c (decode_options): Enable pure-const pass for whopr.
2245
2246 2010-04-21  Jan Hubicka  <jh@suse.cz>
2247
2248         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2249         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2250         at WPA dumping.
2251         (cgraph_decide_inlining): Do not expect callee to be removed in all
2252         cases.
2253
2254 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2255
2256         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2257
2258 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2259
2260         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2261         amdfam10_decode attributes.
2262
2263 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2264
2265         PR middle-end/43570
2266         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2267         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2268         (lower_copyprivate_clauses): Use private var in outer
2269         context instead of original var.  Make sure the types
2270         are correct for VLAs.
2271
2272 2010-04-21  Richard Guenther  <rguenther@suse.de>
2273
2274         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2275         to non-pointer objects.
2276
2277 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2278
2279         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2280         last chain entry if it starts with the still current label.
2281         (add_location_or_const_value_attribute): Check that
2282         loc_list->first->next is NULL instead of comparing ->first with ->last.
2283         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2284         to add_var_loc_to_decl.
2285
2286         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2287         >= 4 add also address size and segment size fields into CIE header.
2288
2289         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2290         long as address size is the same as sizeof (void *) and
2291         segment size is 0.
2292         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2293         address size or segment size is unexpected, return DW_EH_PE_omit.
2294         (classify_object_over_fdes): If get_cie_encoding returned
2295         DW_EH_PE_omit, return -1.
2296         (init_object): If classify_object_over_fdes returned -1,
2297         pretend there were no FDEs at all.
2298
2299 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2300
2301         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2302         bswap{si,di}2 using SWI48 mode iterator.
2303         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2304         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2305         set modrm attribute of bswap insn to 0 and remove length attribute.
2306         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2307         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2308         set mode attribute to <MODE> and remove length attribute.
2309
2310 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2311
2312         PR rtl-optimization/43520
2313         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2314         zero available registers.
2315
2316 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2317
2318         * builtins.c (fold_builtin_cproj): Fold more cases.
2319
2320 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2321
2322         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2323         (fold_builtin_1): Fold builtin cproj.
2324         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2325         Use ATTR_CONST_NOTHROW_LIST.
2326
2327 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2328
2329         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2330         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2331         ffsi2_no_cmove for !TARGET_CMOVE.
2332         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2333         (ffssi2): Remove expander.
2334         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2335         mode iterator.
2336         (ctz<mode>2): Ditto from ctz{si,di}2.
2337         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2338         mode iterator.
2339         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2340         mode iterator.
2341
2342 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2343
2344         * dwarf2out.c (AT_linkage_name): Define.
2345         (clone_as_declaration): Handle DW_AT_linkage_name.
2346         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2347         of DW_AT_MIPS_linkage_name.
2348         (move_linkage_attr): Likewise.
2349         (dwarf2out_finish): Likewise.
2350
2351 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2352
2353         PR middle-end/41952
2354         * fold-const.c (fold_comparison): New folding rule.
2355
2356 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2357
2358         * double-int.h (double_int_setbit): Declare.
2359         * double-int.c (double_int_setbit): New function.
2360         * rtl.h (immed_double_int_const): Declare.
2361         * emit-rtl.c (immed_double_int_const): New function.
2362         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2363         and immed_double_int_const functions.
2364         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2365         expand_copysign_bit):  (Ditto.).
2366         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2367         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2368         * dojump.c (prefer_and_bit_test): (Ditto.).
2369         * expr.c (convert_modes, reduce_to_bit_field_precision,
2370         const_vector_from_tree): (Ditto.).
2371         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2372
2373 2010-04-20  Jan Hubicka  <jh@suse.cz>
2374
2375         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2376         (dump_cgraph_node): Dump new flags.
2377         * cgraph.h (struct cgraph_node): Add flags
2378         reachable_from_other_partition and in_other_partition.
2379         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2380         other partition can not be removed.
2381         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2382         the other partition must be output; silence sanity checking on
2383         leaking functions bodies from other paritition.
2384         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2385         (lto_output_node): Output new flags; do not sanity check that inline
2386         clones are output; drop lto_forced_extern_inline_p code; do not mock
2387         visibility flags at partition boundaries.
2388         (add_node_to): New function.
2389         (output_cgraph): Use it to sort functions so masters appear before
2390         clones.
2391         (input_overwrite_node): Input new flags.
2392         * passes.c (ipa_write_summaries): Do not call
2393         lto_new_extern_inline_states.
2394         * lto-section-out.c (forced_extern_inline,
2395         lto_new_extern_inline_states lto_delete_extern_inline_states,
2396         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2397         * lto-streamer.h (lto_new_extern_inline_states,
2398         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2399         lto_forced_extern_inline_p): Kill.
2400
2401 2010-04-20  Richard Guenther  <rguenther@suse.de>
2402
2403         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2404         from vars that can have pointers.
2405         (process_constraint): Dump useless constraints.
2406
2407 2010-04-20  Richard Guenther  <rguenther@suse.de>
2408
2409         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2410         (dump_sa_points_to_info): Remove asserts.
2411         (init_base_vars): nothing_id isn't an escape point nor does it
2412         have pointers.
2413
2414 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2415
2416         * tree.h (TYPE_REF_IS_RVALUE): Define.
2417         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2418         should_move_die_to_comdat, prune_unused_types_walk): Handle
2419         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2420         (modified_type_die, gen_reference_type_die): Emit
2421         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2422         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2423
2424 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2425
2426         PR target/43635
2427         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2428         calls for -fpic -m31 if they have been sibcall optimized.
2429
2430 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2431
2432         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2433         ar.lc fixed and call-used.
2434
2435         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2436
2437 2010-04-19  Jan Hubicka  <jh@suse.cz>
2438
2439         * opts.c (decode_options): Disable whpr incompatible passes.
2440         * lto/lto.c (lto_1_to_1_map): Skip clones.
2441         (read_cgraph_and_symbols): Do not mark everything as needed.
2442         (do_whole_program_analysis): Do map only after optimizing;
2443         set proper cgraph_state; use passmanager.
2444
2445 2010-04-19  DJ Delorie  <dj@redhat.com>
2446
2447         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2448         POINTER_PLUS_EXPR and fix them.
2449
2450 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2451
2452         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2453         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2454         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2455         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2456         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2457         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2458         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2459         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2460         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2461         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2462         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2463
2464 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2465
2466         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2467         (check_cond_move_block): Likewise.
2468         (cond_move_process_if_block): Likewise.
2469         (noce_find_if_block): Improve formatting.
2470         (find_if_header): Pass 0 to memset and tweak conditions.
2471         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2472
2473 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2474
2475         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2476         for -gdwarf-4.
2477
2478         PR middle-end/43337
2479         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2480         with non-local decl doesn't need chain.
2481
2482 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2483
2484         * ira-color.c (allocno_reload_assign): Avoid accumulating
2485         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2486
2487 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2488
2489         * gimple.h (create_tmp_reg): Declare.
2490         * gimplify.c (create_tmp_reg): New function.
2491         (gimplify_return_expr): Use create_tmp_reg.
2492         (gimplify_omp_atomic): Likewise.
2493         (gimple_regimplify_operands): Likewise.
2494         * tree-dfa.c (make_rename_temp): Likewise.
2495         * tree-predcom.c (predcom_tmp_var): Likewise.
2496         (reassociate_to_the_same_stmt): Likewise.
2497         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2498         (get_replaced_param_substitute): Likewise.
2499         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2500         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2501         * tree-ssa-pre.c (get_representative_for): Likewise.
2502         (create_expression_by_pieces): Likewise.
2503         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2504         (create_tailcall_accumulator): Likewise.
2505
2506 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2507
2508         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2509         new_stmt.
2510         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2511
2512 2010-04-19  Richard Guenther  <rguenther@suse.de>
2513
2514         PR tree-optimization/43796
2515         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2516         from SCEV in the lattice.
2517         (vrp_visit_phi_node): Dump change.
2518
2519 2010-04-19  Richard Guenther  <rguenther@suse.de>
2520
2521         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2522         * configure: Re-generated.
2523
2524 2010-04-19  Richard Guenther  <rguenther@suse.de>
2525
2526         PR tree-optimization/43783
2527         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2528         constant ARRAY_REF operands two and three if possible.
2529
2530 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2531
2532         PR target/43766
2533         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2534
2535 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2536
2537         PR target/43662
2538         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2539
2540 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2541
2542         PR tree-optimization/37027
2543         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2544         and macro to access it.
2545         (vectorizable_reduction): Add argument.
2546         (vect_get_slp_defs): Likewise.
2547         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2548         statements for possible use in SLP.
2549         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2550         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2551         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2552         add new argument.
2553         (vectorizable_reduction): Likewise.
2554         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2555         vect_get_slp_defs.
2556         (vectorizable_type_demotion, vectorizable_type_promotion,
2557         vectorizable_store): Likewise.
2558         (vect_analyze_stmt): Update call to vectorizable_reduction.
2559         (vect_transform_stmt): Likewise.
2560         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2561         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2562         from different interleaving chains in same node.
2563         (vect_slp_rearrange_stmts): New function.
2564         (vect_supported_load_permutation_p): Allow load permutations for
2565         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2566         inside SLP nodes if necessary.
2567         (vect_analyze_slp_instance): Handle reductions.
2568         (vect_analyze_slp): Try to build SLP instances originating from groups
2569         of reductions.
2570         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2571         (vect_get_constant_vectors): Create initial vectors for reductions
2572         according to reduction code. Add new argument.
2573         (vect_get_slp_defs): Add new argument, pass it to
2574         vect_get_constant_vectors.
2575         (vect_schedule_slp_instance): Remove SLP tree root statements.
2576
2577 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2578
2579         * tree.h (ENUM_IS_SCOPED): Define.
2580         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2581         for ENUM_IS_SCOPED enums.
2582
2583 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2584
2585         * fold-const.c (fold_comparison): Use ssizetype.
2586         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2587         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2588         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2589         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2590
2591         * tree.h (initialize_sizetypes): Remove parameter.
2592         (build_common_tree_nodes): Remove second parameter.
2593         * stor-layout.c (initialize_sizetypes): Remove parameter.
2594         Always create an unsigned type.
2595         (set_sizetype): Assert that the passed type is unsigned and simplify.
2596         * tree.c (build_common_tree_nodes): Remove second parameter.
2597         Adjust call to initialize_sizetypes.
2598         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2599         build_common_tree_nodes.
2600
2601 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2602
2603         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2604
2605 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2606
2607         PR tree-optimization/43771
2608         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2609         load permutation doesn't have gaps.
2610
2611 2010-04-18  Jan Hubicka  <jh@suse.cz>
2612
2613         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2614         (sse_prologue_save_insn expander): Use new pattern.
2615         (sse_prologue_save_insn1): New pattern and splitter.
2616         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2617         blocks.
2618         * i386.c (setup_incoming_varargs_64): Do not compute jump
2619         destination here.
2620         (ix86_gimplify_va_arg): Update alignment needed.
2621         (ix86_local_alignment): Do not align all local arrays to 128bit.
2622
2623 2010-04-17  Jan Hubicka  <jh@suse.cz>
2624
2625         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2626
2627 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2628
2629         * arm.md (negdi2): Remove redundant code to force values into a
2630         register.
2631
2632 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2633
2634         * arm/bpabi.S: Add EABI alignment attributes to objects.
2635         * arm/bpabi-v6m.S: Likewise.
2636         * arm/crti.asm: Likewise.
2637         * arm/crtn.asm: Likewise.
2638         * arm/lib1funcs.asm: Likewise.
2639         * arm/libunwind.S: Likewise.
2640
2641 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2642
2643         * arm-protos.h (tune_params): New structure.
2644         * arm.c (current_tune): New variable.
2645         (arm_constant_limit): Delete.
2646         (struct processors): Add pointer to the tune parameters.
2647         (arm_slowmul_tune): New tuning option.
2648         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2649         (all_cores): Adjust to pick up the tuning model.
2650         (arm_constant_limit): New function.
2651         (arm_override_options): Select the appropriate tuning model.  Delete
2652         initialization of arm_const_limit.
2653         (arm_split_constant): Use the new constant-limit model.
2654         (arm_rtx_costs): Pick up the current tuning model.
2655         * arm.md (is_strongarm, is_xscale): Delete.
2656         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2657         for Xscale variant architectures.
2658         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2659
2660 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2661
2662         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2663         can_shift.
2664         (arm_rtx_costs_1): Remove unused variable extra_cost.
2665         (arm_unwind_emit_set): Use variable offset.
2666         (thumb1_output_casesi): Remove unused variable flags.
2667
2668 2010-04-16  Jeff Law  <law@redhat.com>
2669
2670         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2671         needing assignment rather than doing a two-phase assignment.  Remove
2672         unused variable 'm'.
2673
2674 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR bootstrap/43767
2677         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2678
2679 2010-04-16  Doug Kwan  <dougkwan@google.com>
2680
2681         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2682         (next_operand_entry_id): New static variable.
2683         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2684         (add_to_ops_vec): Assigned unique ID to operand entry.
2685         (struct oecount_s): New field ID.
2686         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2687         (undistribute_ops_list): Assign unique IDs to oecounts.
2688         (init_reassoc): reset next_operand_entry_id.
2689
2690 2010-04-16  Doug Kwan  <dougkwan@google.com>
2691
2692         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2693         missing left parenthesis.
2694
2695 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2696
2697         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2698         *btdi_rex64 using SWI48 mode iterator.
2699         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2700         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2701         *jcc_btdi_mask_rex64.
2702
2703 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2704
2705         * double-int.h (tree_to_double_int): Convert to macro.
2706         * double-int.c (tree_to_double_int): Remove.
2707
2708 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR debug/43762
2711         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2712         with want_address 2 and in case a single element list might be
2713         possible, call it again with want_address 0.
2714
2715 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2716
2717         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2718         case 'W' print operands for HI mode.
2719         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2720         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2721         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2722         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2723
2724         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2725
2726         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2727         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2728         #xx:3 and #xx:4 mode.
2729
2730         * config/h8300/h8300.md (inverted load with HImode dest): Add
2731         support for H8300SX.
2732
2733         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2734         satisfy 'U' constraint.
2735
2736 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2737
2738         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2739         * configure: Regenerate.
2740         * config.in: Regenerate.
2741         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2742         works.
2743
2744 2010-04-16  Richard Guenther  <rguenther@suse.de>
2745
2746         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2747         (struct tree_decl_common): ... here.
2748         (DECL_PT_UID): Adjust.
2749         (SET_DECL_PT_UID): Likewise.
2750         (DECL_PT_UID_SET_P): Likewise.
2751
2752 2010-04-16  Richard Guenther  <rguenther@suse.de>
2753
2754         PR tree-optimization/43572
2755         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2756         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2757         * tree-flow.h (is_call_clobbered): Remove.
2758         * tree-flow-inline.h (is_call_clobbered): Likewise.
2759         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2760         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2761         (execute_return_slot_opt): Adjust.
2762         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2763         check for call clobbered vars here.
2764         (find_tail_calls): Move tailcall verification to the
2765         proper place.
2766
2767 2010-04-16  Diego Novillo  <dnovillo@google.com>
2768
2769         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2770
2771 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2772
2773         PR target/40603
2774         * config/arm/arm.md (cbranchqi4): New pattern.
2775         * config/arm/predicates.md (const0_operand,
2776         cbranchqi4_comparison_operator): New predicates.
2777
2778 2010-04-16  Richard Guenther  <rguenther@suse.de>
2779
2780         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2781         (dump_gimple_stmt): Likewise.
2782
2783 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2784
2785         * recog.h (struct recog_data): New field is_operator.
2786         (struct insn_operand_data): New field is_operator.
2787         * recog.c (extract_insn): Set recog_data.is_operator.
2788         * genoutput.c (output_operand_data): Emit code to set the
2789         is_operator field.
2790         * reload.c (find_reloads): Use it rather than testing for an
2791         empty constraint string.
2792
2793         PR target/41514
2794         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2795         If the previous insn is a cbranchsi4_insn with the same arguments,
2796         omit the compare instruction.
2797
2798         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2799         register, inputs must be low registers and we need a low register
2800         scratch.  Handle alternative 2 like alternative 3.
2801
2802 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2803
2804         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2805         don't call get_addr on both.  If one expression is a VALUE and
2806         the other a REG, check VALUE's locs if the REG isn't among them.
2807
2808 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2809
2810         * config/sh/sh.h (sh_frame_pointer_required): New function.
2811         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2812         (flag_omit_frame_pointer) Set.
2813         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2814         (rounded_frame_size): Adjust size with outgoing_args_size.
2815         (sh_set_return_address): Must return from stack pointer.
2816         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2817         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2818         (ACCUMULATE_OUTGOING_ARGS): Define.
2819         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2820         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2821
2822 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2823
2824         PR target/43471
2825         * config/sh/sh.c (sh_legitimize_reload_address): Use
2826         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2827         Remove a unneeded check for offset_base.
2828
2829 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2830
2831         * configure: Regenerated.
2832
2833 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2834
2835         * config/s390/s390.c (s390_call_save_register_used): Switch back
2836         to HARD_REGNO_NREGS.
2837
2838 2010-04-15  Richard Guenther  <rguenther@suse.de>
2839
2840         * alias.c (alias_set_subset_of): Handle alias-set zero
2841         child properly.
2842
2843 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2844             Julian Brown  <julian@codesourcery.com>
2845
2846         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2847         alternatives according to use of high and low regs.
2848         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2849         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2850         optimizing for size on Thumb-2.
2851
2852 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2853
2854         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2855
2856 2010-04-15  Richard Guenther  <rguenther@suse.de>
2857
2858         * tree-ssa-structalias.c (struct variable_info): Add
2859         is_fn_info flag.
2860         (new_var_info): Initialize it.
2861         (dump_constraints): Support printing last added constraints.
2862         (debug_constraints): Adjust.
2863         (dump_constraint_graph): Likewise.
2864         (make_heapvar_for): Check for NULL cfun.
2865         (get_function_part_constraint): New function.
2866         (get_fi_for_callee): Likewise.
2867         (find_func_aliases): Properly implement IPA PTA constraints.
2868         (process_ipa_clobber): New function.
2869         (find_func_clobbers): Likewise.
2870         (insert_into_field_list_sorted): Remove.
2871         (create_function_info_for): Properly allocate vars for IPA mode.
2872         Do not use insert_into_field_list_sorted.
2873         (create_variable_info_for): Properly generate constraints for
2874         global vars in IPA mode.
2875         (dump_solution_for_var): Always dump the solution.
2876         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2877         (find_what_var_points_to): Adjust.
2878         (pt_solution_set): Change.
2879         (pt_solution_ior_into): New function.
2880         (pt_solution_empty_p): Export.
2881         (pt_solution_includes_global): Adjust.
2882         (pt_solution_includes_1): Likewise.
2883         (pt_solutions_intersect_1): Likewise.
2884         (dump_sa_points_to_info): Check some invariants.
2885         (solve_constraints): Move constraint dumping ...
2886         (compute_points_to_sets): ... here.
2887         (ipa_pta_execute): ... and here.
2888         (compute_may_aliases): Do not re-compute points-to info
2889         locally if IPA info is available.
2890         (ipa_escaped_pt): New global var.
2891         (ipa_pta_execute): Properly implement IPA PTA.
2892         * tree-into-ssa.c (dump_decl_set): Support dumping
2893         decls not in referenced-vars.
2894         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2895         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2896         (dump_points_to_solution): Likewise.
2897         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2898         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2899         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2900         (copy_decl_to_var): Copy DECL_PT_UID.
2901         (copy_result_decl_to_var): Likewise.
2902         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2903         (copy_node_stat): Copy it.
2904         * tree.h (DECL_PT_UID): New macro.
2905         (SET_DECL_PT_UID): Likewise.
2906         (DECL_PT_UID_SET_P): Likewise.
2907         (struct tree_decl_minimal): Add pt_uid member.
2908         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2909         (pt_solution_empty_p): Declare.
2910         (pt_solution_set): Adjust.
2911         (ipa_escaped_pt): Declare.
2912         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2913         * gimple-pretty-print.c (pp_points_to_solution): New function.
2914         (dump_gimple_call): Dump call clobber/use information.
2915         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2916         * tree-pass.h (TDF_ALIAS): New dump option.
2917         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2918         * doc/invoke.texi (-fipa-pta): Update documentation.
2919
2920 2010-04-15  Richard Guenther  <rguenther@suse.de>
2921
2922         * Makefile.in (OBJS-common): Add gimple-fold.o.
2923         (gimple-fold.o): New rule.
2924         * tree.h (maybe_fold_offset_to_reference,
2925         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2926         prototypes ...
2927         * gimple.h: ... here.
2928         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2929         may_propagate_address_into_dereference): Move prototypes ...
2930         * gimple.h: ... here.
2931         * tree-ssa-ccp.c (get_symbol_constant_value,
2932         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2933         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2934         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2935         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2936         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2937         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2938         gimplify_and_update_call_from_tree): Move ...
2939         * gimple-fold.c: ... here.  New file.
2940         (ccp_fold_builtin): Rename to ...
2941         (gimple_fold_builtin): ... this.
2942         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2943
2944 2010-04-15  Richard Guenther  <rguenther@suse.de>
2945
2946         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2947         fit_double_type, force_fit_type_double, add_double_with_sign,
2948         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2949         lrotate_double, rrotate_double, div_and_round_double): Move ...
2950         * double-int.c: ... here.
2951         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2952         add_double, neg_double, mul_double_with_sign, mul_double,
2953         lshift_double, rshift_double, lrotate_double, rrotate_double,
2954         div_and_round_double): Move prototypes ...
2955         * double-int.h: ... here.
2956
2957 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2958
2959         PR target/43742
2960         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2961         matching constraints to ensure inputs match the output.
2962
2963 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2964
2965         PR target/43742
2966         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2967         in an input-only operand.
2968
2969 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2970
2971         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2972         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2973         (double_int_negative_p): Convert to static inline function.
2974         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2975         (double_int_negative_p): Remove.
2976         * tree.h (lshift_double, rshift_double):
2977         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2978         * fold-const.c (fold_convert_const_int_from_real,
2979         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2980         (lshift_double): Change type of arith argument to bool.
2981         (rshift_double): Change type of arith argument to bool. Correct
2982         comment.
2983         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2984
2985 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2986
2987         PR target/21803
2988         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2989         at the start and end of the then/else blocks, and omit them from the
2990         conversion.
2991         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2992         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2993         (flow_find_head_matching_sequence): New function.
2994         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2995         * basic-block.h (flow_find_cross_jump,
2996         flow_find_head_matching_sequence): Declare functions.
2997
2998 2010-04-14  Jason Merrill  <jason@redhat.com>
2999
3000         PR c++/36625
3001         * c-common.c (attribute_takes_identifier_p): New fn.
3002         * c-common.h: Declare it.
3003
3004 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3005
3006         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3007         splitter condition.
3008         (*udivmod<mode>4): Ditto.
3009
3010 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3011
3012         * config/i386/i386.md (maxmin_int): Rename code attribute from
3013         maxminiprefix and update all users.
3014         (maxmin_float): Ditto from maxminfprefix.
3015         (logic): Ditto from logicprefix.
3016         (absneg_mnemonic): Ditto from absnegprefix.
3017         * config/i386/mmx.md: Update all users of maxminiprefix,
3018         maxminfprefix and logicprefix for rename.
3019         * config/i386/sse.md: Ditto.
3020         * config/i386/sync.md (sync_<code><mode>): Update for
3021         logicprefix rename.
3022
3023 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3024
3025         PR 42966
3026         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3027         warnings converted to errors.
3028
3029 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3030
3031         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3032         used insn_type variable.
3033         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3034         to avoid set-but-not-used warning.
3035
3036 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3037
3038         * df-core.c (df_ref_debug): Change format string placeholder
3039         from 0x%x to %#x.
3040         * dwarf2asm.c (dw2_asm_output_data_raw,
3041         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3042         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3043         * dwarf2out.c (output_cfi, output_cfi_directive,
3044         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3045         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3046         Ditto.
3047         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3048         * print-rtl.c (print_rtx): Ditto.
3049
3050 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3051
3052         PR middle-end/42694
3053         * builtins.c (expand_builtin_pow_root): New function to expand pow
3054         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3055         series of sqrt and cbrt calls under -ffast-math.
3056         (expand_builtin_pow): Call it.
3057
3058 2010-04-14  Michael Matz  <matz@suse.de>
3059
3060         PR tree-optimization/42963
3061         * tree-cfg.c (touched_switch_bbs): New static variable.
3062         (group_case_labels_stmt): New function broken out from ...
3063         (group_case_labels): ... here, use the above.
3064         (start_recording_case_labels): Allocate touched_switch_bbs.
3065         (end_recording_case_labels): Deallocate it, call
3066         group_case_labels_stmt.
3067         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3068
3069 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3070
3071         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3072         from insn template.
3073
3074 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3075
3076         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3077
3078 2010-04-13  Jan Hubicka  <jh@suse.cz>
3079
3080         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3081         of optimized out static functions.
3082         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3083         cost computation.  Also sanity check for overflows.
3084         (update_caller_keys): Update cgraph_edge_badness call; properly
3085         update fibheap and sanity check that it is up to date.
3086         (add_new_edges_to_heap): Update cgraph_edge_badness.
3087         (cgraph_decide_inlining_of_small_function): Likewise;
3088         add sanity checking that badness in heap is up to date;
3089         improve dumping of reason; Update badness of calls to the
3090         offline copy of function currently inlined; dump badness
3091         of functions not inlined because of unit growth limits.
3092
3093 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3094
3095         PR middle-end/32628
3096         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3097         because of sign-extension change when converting to sizetype here...
3098         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3099
3100         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3101         the folding to constants.  Remove redundant final conversion.
3102         (fold_binary) <associate>: Do not associate if the re-association of
3103         constants alone overflows.
3104         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3105         to the end of the list.
3106         (multiple_of_p) <COND_EXPR>: New case.
3107
3108 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3109
3110         * opt-functions.awk (opt_sanitized_name): New.
3111         (opt_enum): New.
3112         * optc-gen.awk: Use it
3113         * opth-gen.awk: Use it.
3114
3115 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3116
3117         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3118         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3119         children.  Call replace_uses_with_default_def_ssa_name to handle
3120         SSA_NAES on lhs.
3121
3122 2010-04-13  Michael Matz  <matz@suse.de>
3123
3124         PR middle-end/43730
3125         * builtins.c (expand_builtin_interclass_mathfn): Also create
3126         a register if the predicate doesn't match.
3127
3128 2010-04-13  Diego Novillo  <dnovillo@google.com>
3129
3130         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3131         * c-pch.c: Include timevar.h.
3132         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3133         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3134         * ggc-common.c: Include timevar.h.
3135         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3136         * timevar.def (TV_PCH_SAVE): Define.
3137         (TV_PCH_CPP_SAVE): Define.
3138         (TV_PCH_PTR_REALLOC): Define.
3139         (TV_PCH_PTR_SORT): Define.
3140         (TV_PCH_RESTORE): Define.
3141         (TV_PCH_CPP_RESTORE): Define.
3142
3143 2010-04-13  Michael Matz  <matz@suse.de>
3144
3145         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3146         into MINUS_EXPRs.
3147         (can_reassociate_p): New function.
3148         (break_up_subtract_bb, reassociate_bb): Use it.
3149
3150 2010-04-13  Richard Guenther  <rguenther@suse.de>
3151
3152         PR bootstrap/43737
3153         * builtins.c (c_readstr): Fix assert.
3154
3155 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3156
3157         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3158         when generating cltd insn.
3159
3160         (*ashl<mode>3_1): Remove special handling for register operand 2.
3161         (*ashlsi3_1_zext): Ditto.
3162         (*ashlhi3_1): Ditto.
3163         (*ashlhi3_1_lea): Ditto.
3164         (*ashlqi3_1): Ditto.
3165         (*ashlqi3_1_lea): Ditto.
3166         (*<shiftrt_insn><mode>3_1): Ditto.
3167         (*<shiftrt_insn>si3_1_zext): Ditto.
3168         (*<shiftrt_insn>qi3_1_slp): Ditto.
3169         (*<rotate_insn><mode>3_1): Ditto.
3170         (*<rotate_insn>si3_1_zext): Ditto.
3171         (*<rotate_insn>qi3_1_slp): Ditto.
3172
3173 2010-04-13  Richard Guenther  <rguenther@suse.de>
3174
3175         * tree-ssa-structalias.c (callused_id): Remove.
3176         (call_stmt_vars): New.
3177         (get_call_vi): Likewise.
3178         (lookup_call_use_vi): Likewise.
3179         (lookup_call_clobber_vi): Likewise.
3180         (get_call_use_vi): Likewise.
3181         (get_call_clobber_vi): Likewise.
3182         (make_transitive_closure_constraints): Likewise.
3183         (handle_const_call): Adjust to do per-call call-used handling.
3184         (handle_pure_call): Likewise.
3185         (find_what_var_points_to): Remove general callused handling.
3186         (init_base_vars): Likewise.
3187         (init_alias_vars): Initialize call_stmt_vars.
3188         (compute_points_to_sets): Process call-used and call-clobbered
3189         vars for call statements.
3190         (delete_points_to_sets): Free call_stmt_vars.
3191
3192 2010-04-13  Richard Guenther  <rguenther@suse.de>
3193
3194         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3195         Only add RW dependence for dependence distance zero.
3196         Adjust maximal vectorization factor according to dependences.
3197         Move alignment handling ...
3198         (vect_find_same_alignment_drs): ... here.  New function.
3199         (vect_analyze_data_ref_dependences): Adjust.
3200         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3201         (vect_analyze_data_refs): Adjust minimal vectorization factor
3202         according to data references.
3203         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3204         dependences before determining the vectorization factor.
3205         Analyze alignment after determining the vectorization factor.
3206         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3207         dependences before alignment.
3208         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3209         Adjust prototype.
3210         (vect_analyze_data_refs): Likewise.
3211         (MAX_VECTORIZATION_FACTOR): New define.
3212
3213 2010-04-13  Duncan Sands  <baldrick@free.fr>
3214
3215         * except.h (lang_eh_type_covers): Remove.
3216         * except.c (lang_eh_type_covers): Likewise.
3217
3218 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3219             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3220
3221         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3222         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3223         UNITS_PER_LONG where it is ABI relevant.
3224         (s390_return_addr_rtx): Likewise.
3225         (s390_back_chain_rtx): Likewise.
3226         (s390_frame_area): Likewise.
3227         (s390_frame_info): Likewise.
3228         (s390_initial_elimination_offset): Likewise.
3229         (save_gprs): Likewise.
3230         (s390_emit_prologue): Likewise.
3231         (s390_emit_epilogue): Likewise.
3232         (s390_function_arg_advance): Likewise.
3233         (s390_function_arg): Likewise.
3234         (s390_va_start): Likewise.
3235         (s390_gimplify_va_arg): Likewise.
3236         (s390_function_profiler): Likewise.
3237         (s390_optimize_prologue): Likewise.
3238         (s390_rtx_costs): Likewise.
3239         (s390_secondary_reload): Likewise.
3240         (s390_promote_function_mode): Likewise.
3241         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3242         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3243         registers available.
3244         (s390_unwind_word_mode): New function.
3245         (s390_function_value): Split 64 bit values into register pair if
3246         used as return value.
3247         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3248         function call parameters.  Handle parallels.
3249         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3250         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3251         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3252         (s390_expand_setmem): Remove unused variable src_addr.
3253         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3254         deal with 64 bit registers.
3255         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3256         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3257         (UNITS_PER_LONG): New macro.
3258         * libjava/include/s390-signal.h: Define extended ucontext
3259         structure containing the upper halfs of the 64 bit registers.
3260
3261 2010-04-13  Simon Baldwin  <simonb@google.com>
3262
3263         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3264
3265 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3266
3267         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3268         rvalue on the RHS if the LHS is of a non-renamable type.
3269         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3270
3271 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3272
3273         * gcc.c (cc1_options): Handle -iplugindir before processing
3274         the cc1 spec. Only add -iplugindir once.
3275         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3276         found.
3277         * common.opt (iplugindir): Remove `Separate' property, initialize.
3278         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3279         option.
3280         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3281         (distclean): Remove plugin dir.
3282         * doc/invoke.texi: Document -iplugindir.
3283
3284 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3285
3286         * doc/plugins.texi (Loading Plugins): Document short
3287         -fplugin=foo option.
3288         (Plugin API): Mention default_plugin_dir_name function.
3289
3290         * gcc.c (find_file_spec_function): Add new declaration.
3291         (static_spec_func): Use it for "find-file".
3292         (find_file_spec_function): Add new function.
3293         (cc1_options): Add -iplugindir option if -fplugin* options found.
3294
3295         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3296
3297         * plugin.c (add_new_plugin): Updated comment, and handle short
3298         plugin name.
3299         (default_plugin_dir_name): Added new function.
3300
3301         * common.opt (iplugindir): New option to set the plugin directory.
3302
3303 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3304
3305         * config/i386/i386.md (any_rotate): New code iterator.
3306         (rotate_insn): New code attribute.
3307         (rotate): Ditto.
3308         (SWIM124): New mode iterator.
3309         (<rotate_insn>ti3): New expander.
3310         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3311         any_rotate code iterator.
3312         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3313         using any_rotate code iterator and SWIM124 mode iterator.
3314         (ix86_rotlti3): New insn_and_split pattern.
3315         (ix86_rotrti3): Ditto.
3316         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3317         ix86_rotl{di,ti}3 patterns.
3318         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3319         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3320         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3321         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3322         code iterator and SWI mode iterator.
3323         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3324         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3325         code iterator.
3326         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3327         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3328         (bswap rotatert splitter): Add splitter.
3329         (bswap splitter): Macroize splitter using any_rotate code iterator.
3330         Add insn predicate to split only for TARGET_USE_XCHGB or when
3331         optimizing function for size.
3332
3333 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3334
3335         * config/pa/pa.c (emit_move_sequence): Remove use of
3336         deleted variable flag_argument_noalias.
3337
3338 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3339
3340         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3341         configurations.
3342         Add to unsupported targets list.
3343         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3344         sparc*-sun-solaris2.[567]* from target lists.
3345         * configure: Regenerate.
3346         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3347         removal.
3348         Remove Solaris 7 patch references.
3349         (Specific, sparc-sun-solaris2.7): Removed.
3350         (sparc-sun-solaris2*): Update Solaris 7 example.
3351         (sparc64-*-solaris2*): Likewise.
3352
3353 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3354
3355         * config.build (alpha*-dec-osf4*): Remove.
3356         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3357         of obsolete configurations.
3358         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3359         support.
3360         * config/alpha/t-osf4: Renamed to ...
3361         * config/alpha/t-osf5: ... this.
3362         * config/alpha/osf.h: Renamed to ...
3363         * config/alpha/osf5.h: ... this.
3364         Merged old osf5.h contents.
3365         Update comments.
3366         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3367         (EXTRA_SPECS): Removed.
3368         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3369         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3370         Document that.
3371
3372 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3373
3374         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3375
3376 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3377
3378         PR/43702
3379         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3380         __thiscall convention.
3381
3382 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3383
3384         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3385         orig_base.
3386         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3387
3388 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3389
3390         * function.c (assign_parms_initialize_all): Add unused attribute
3391         to fntype.
3392
3393 2010-04-12  Richard Guenther  <rguenther@suse.de>
3394
3395         * gsstruct.def (GSS_CALL): New.
3396         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3397         * gimple.h: Include tree-ssa-alias.h.
3398         (struct gimple_statement_call): New.
3399         (union gimple_statement_struct_d): Add gimple_call member.
3400         (gimple_call_reset_alias_info): Declare.
3401         (gimple_call_use_set): New function.
3402         (gimple_call_clobber_set): Likewise.
3403         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3404         * gimple.c (gimple_call_reset_alias_info): New function.
3405         (gimple_build_call_1): Call it.
3406         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3407         * tree-inline.c (remap_gimple_stmt): Likewise.
3408         (expand_call_inline): Remove callused handling.
3409         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3410         * tree-dfa.c (dump_variable): Likewise.
3411         * tree-parloops.c (parallelize_loops): Likewise.
3412         * tree-ssa.c (init_tree_ssa): Likewise.
3413         (delete_tree_ssa): Likewise.
3414         * tree-flow-inline.h (is_call_used): Remove.
3415         * tree-flow.h (struct gimple_df): Remove callused member.
3416         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3417         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3418         (ref_maybe_used_by_call_p_1): Simplify.
3419         (call_may_clobber_ref_p_1): Likewise.
3420         * tree-ssa-structalias.c (compute_points_to_sets): Set
3421         the call stmt used and clobbered sets.
3422         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3423         (find_tail_calls): Verify the tail call.
3424
3425 2010-04-12  Richard Guenther  <rguenther@suse.de>
3426
3427         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3428         single-iteration always-inline inlining.
3429         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3430         (cgraph_decide_inlining): Do not handle always-inline specially.
3431         (try_inline): Remove always-inline cycle detection special case.
3432         Do not recurse on always-inlines.
3433         (cgraph_early_inlining): Do not iterate if not optimizing.