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