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1 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/44088
4         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
5
6 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
7
8         PR middle-end/44085
9         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
10         change value of ORT_TASK.
11         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
12         (omp_notice_threadprivate_variable): New function.
13         (omp_notice_variable): Call it for threadprivate variables.
14         If enclosing ctx is a task, print enclosing task rather than
15         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
16         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
17         if task has untied clause.
18
19         PR debug/42278
20         * dwarf2out.c (base_type_die): Don't add name attribute here.
21         (modified_type_die): Instead of sizetype use
22         its underlying original type.  If a DW_TAG_base_type doesn't
23         have name added, add __unknown__.
24         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
25         always call force_type_die instead.
26
27 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
28
29         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
30         for __stack_chk_guard.
31
32 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
33
34         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
35         don't call start_source_file debug hook here...
36         (finish_options): ... but here, after outputting predefined and
37         command line defines and undefs.
38
39         PR middle-end/44071
40         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
41         no fallthru edge.
42         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
43         optimizing away empty bb with no successors, move over its
44         footer chain to fallthru predecessor.
45         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
46         (rtl_split_edge): For asm goto call patch_jump_insn even if
47         splitting fallthru edge.
48
49         PR c++/44059
50         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
51         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
52         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
53         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
54         on DW.ref.* decls.
55
56         PR c++/44062
57         * c-parser.c (c_parser_expression): Mark LHS of a comma
58         expression as read if it is a decl, handled component or
59         COMPOUND_EXPR with that on the RHS.
60         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
61         if it is a decl or handled component.
62
63 2010-05-11  Jan Hubicka  <jh@suse.cz>
64
65         * lto-symtab.c (lto_symtab_free): New function.
66         * lto-streamer.h (lto_symtab_free): Declare.
67
68 2010-05-11  Jan Hubicka  <jh@suse.cz>
69
70         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
71         that if function is needed it is reachable.
72         (lto_output_node): See if it the function is reachable or referenced.
73         (output_cgraph): Update call of lto_output_node.
74         * lto-streamer.h (reachable_from_other_partition_p): Declare.
75
76 2010-05-11  Jan Hubicka  <jh@suse.cz>
77
78         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
79         Mark as used.
80
81 2010-05-11  Jan Hubicka  <jh@suse.cz>
82
83         PR tree-optimize/44063
84         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
85         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
86         limits.
87         (estimate_function_body_sizes): Compute sizes even when disregarding.
88
89 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
90
91         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
92
93 2010-05-11  Jan Hubicka  <jh@suse.cz>
94
95         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
96         into every boundary.
97
98 2010-05-11  Jan Hubicka  <jh@suse.cz>
99
100         * matrix-reorg.c (matrix_reorg): Rebuild edges.
101
102 2010-05-11  Jan Hubicka  <jh@suse.cz>
103
104         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
105         lto_streamer_cache_delete): Put nodes into heap.
106         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
107         heap.
108
109 2010-05-11  Jan Hubicka  <jh@suse.cz>
110
111         * cgraphbuild.c (cgraph_rebuild_references): New.
112         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
113         out extern inlines.
114         * cgraph.h (cgraph_rebuild_references): Declare.
115         * tree-inline.c (tree_function_versioning): Use it.
116         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
117
118 2010-05-11  Jan Hubicka  <jh@suse.cz>
119
120         * cgraph.c: Include ipa-utils.h
121         (cgraph_create_virtual_clone): Update references.
122         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
123
124 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
125
126         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
127         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
128         cache size.
129
130 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
131
132         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
133
134 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
135
136         * gcc.c (execute): For -### don't quote arguments that
137         contain just alphanumerics and _/-. characters.
138         * doc/invoke.texi: Document that change for -###.
139
140         PR debug/44023
141         * df-problems.c (struct dead_debug): Add to_rescan field.
142         (dead_debug_init): Clear to_rescan field.
143         (dead_debug_finish): Rescan all debug insns in to_rescan
144         bitmap and free the bitmap.
145         (dead_debug_insert_before): Instead of rescanning debug insns
146         immediately queue their rescanning until dead_debug_finish.
147         (df_note_bb_compute): After dead_debug_add do continue instead
148         of break.
149
150 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
151
152         PR debug/44028
153         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
154         clear also INSN_REG_USE_LIST.
155
156 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
157
158         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
159
160 2010-05-10  Jan Hubicka  <jh@suse.cz>
161
162         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
163
164 2010-05-10  Jan Hubicka  <jh@suse.cz>
165
166         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
167         encoders.
168         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
169         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
170         (lto_streamer_cache_create): Init alloc pool.
171         (lto_streamer_cache_delete): Free alloc pool.
172         * lto-streamer.h: Include alloc pool.
173         (lto_streamer_cache_d): Use alloc pool.
174         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
175
176 2010-05-10  Jan Hubicka  <jh@suse.cz>
177
178         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
179         * cgraphbuild.c: Include except.h
180         (record_type_list, record_eh_tables): New function.
181         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
182
183 2010-05-10  Jan Hubicka  <jh@suse.cz>
184
185         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
186         __frame_dummy_init_array_entry, force_to_data): Attribute as used
187         rather than unused.
188
189 2010-05-10  Michael Matz  <matz@suse.de>
190
191         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
192         (can_reassociate_p): Use FLOAT_TYPE_P.
193         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
194         (vect_force_simple_reduction): ... this.
195         * tree-parloops.c (gather_scalar_reductions): Use
196         vect_force_simple_reduction.
197         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
198         vect_is_simple_reduction, add modify argument, if true rewrite
199         "a-b" into "a+(-b)".
200         (vect_is_simple_reduction, vect_force_simple_reduction): New
201         functions.
202         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
203
204 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
205             Vladimir Makarov  <vmakarov@redhat.com>
206
207         PR rtl-optimization/44012
208         * ira-build.c (remove_unnecessary_allocnos): Nullify
209         regno_allocno_map of the removed allocno.
210
211 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
212
213         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
214         to /dev/null.
215         * configure: Regenerate.
216
217 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
218
219         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
220         unused.
221         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
222         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
223         support in Sun ld.
224         * configure: Regenerate.
225
226 2010-05-10  Richard Guenther  <rguenther@suse.de>
227
228         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
229         marked if the entry identifier is marked.
230
231 2010-05-10  Richard Guenther  <rguenther@suse.de>
232
233         * c-common.c (struct c_common_attributes): Add fnspec attribute.
234         (handle_fnspec_attribute): New function.
235         * gimple.h (gimple_call_return_flags): Declare.
236         (gimple_call_arg_flags): Likewise.
237         * gimple.c (gimple_call_arg_flags): New function.
238         (gimple_call_return_flags): Likewise.
239         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
240         New argument flags.
241         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
242         return value flags.
243         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
244         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
245         main work to ...
246         (make_heapvar_for): ... this new function.
247         (handle_rhs_call): Handle fnspec attribute argument specifiers.
248         (handle_lhs_call): Likewise.
249         (find_func_aliases): Adjust.
250
251 2010-05-10  Richard Guenther  <rguenther@suse.de>
252
253         PR tree-optimization/44050
254         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
255
256 2010-05-10  Wei Guozhi  <carrot@google.com>
257
258         PR target/42879
259         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
260
261 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
262
263         PR c/10676
264         * c-typeck.c (lookup_field): Take a type directly.  Update
265         recursive calls.
266         (build_component_ref): Update call to lookup_field.
267         (set_init_label): Use lookup_field to find initialized field.
268         Handle returned list of fields like a sequence of designators.
269
270 2010-05-09  Richard Guenther  <rguenther@suse.de>
271
272         PR middle-end/44024
273         * fold-const.c (tree_single_nonzero_warnv_p): Properly
274         handle &FUNCTION_DECL.
275
276 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
277
278         PR c/4784
279         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
280         structures and unions recursively.
281         (detect_field_duplicates): Move duplicate detection with a hash to
282         detect_field_duplicates_hash.  Always use a hash if anonymous
283         structures or unions are present.
284         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
285         give errors.
286
287 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
288
289         PR target/44046
290         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
291         detect Atom, Core 2 and Core i7.
292
293 2010-05-09  Richard Guenther  <rguenther@suse.de>
294
295         * gcc.c (store_arg): Handle temporary file deletion for
296         joined arguments.
297
298 2010-05-09  Richard Guenther  <rguenther@suse.de>
299
300         PR middle-end/44043
301         * ipa-inline.c (estimate_function_body_sizes): Return after
302         disregarding inline limits.
303
304 2010-05-09  Richard Guenther  <rguenther@suse.de>
305
306         * gcc.c (store_arg): Revert last change.
307
308 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
309
310         PR middle-end/28685
311         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
312         (optimize_ops_list): Call it.
313
314 2010-05-08  Richard Guenther  <rguenther@suse.de>
315
316         PR tree-optimization/44030
317         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
318         NECESSARY flag if we propagate from a inserted expression.
319
320 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
321
322         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
323         domain types as equal if they are both PLACEHOLDER_EXPRs.
324
325 2010-05-08  Richard Guenther  <rguenther@suse.de>
326
327         * lto-wrapper.c (run_gcc): Remove linker output from
328         command line for LTRANS invocation.
329
330 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
331
332         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
333         lto-macho as lto_binary_reader.
334         * target.h (struct gcc_target): New hooks lto_start and lto_end.
335         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
336         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
337         in lto_start and lto_end calls.
338         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
339         magic numbers.
340         (scan_prog_file): Update is_elf_or_coff call.
341         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
342
343         * collect2.c (main): Fix enum comparison.
344
345         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
346         Add prototypes.
347         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
348         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
349         and TARGET_ASM_LTO_END.
350         * darwin.c: Include obstack.h and lto-streamer.h.
351         (lto_section_names_offset, lto_section_names_obstack,
352         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
353         global variables.
354         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
355         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
356         to a temporary file.
357         (darwin_asm_lto_end): New function.  Restore asm_out_file.
358         (darwin_asm_named_section): For LTO sections, replace the name with
359         the offset of the section name in a string table, and build this
360         table.
361         (darwin_file_start): Initialize global vars for LTO support.
362         (darwin_file_end): If output to asm_out_file was redirected, append it
363         to the proper asm_out_file here.  Add the section names section.
364
365 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
366
367         * c-pragma.c (pending_weak_d, pending_weak): New.
368         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
369         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
370         handle_pragma_weak): Update the uses of pending_weaks.
371
372 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
373
374         PR documentation/44016
375         * doc/standards.texi (Standards): Link to unversioned
376         cxx0x_status.html page.
377
378 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
379
380         PR target/43708
381         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
382         in addition to TREE_USED, to avoid "set but unused" warnings.
383
384 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
385
386         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
387         (is_loop_prefetching_profitable): Do not insert prefetches
388         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
389         times the prefetch ahead distance.
390
391 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
392
393         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
394         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
395         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
396         the unroll_factor.
397
398 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
399
400         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
401         a diagnostic info when the insn-to-mem ratio is too small.
402
403 2010-05-07  Richard Guenther <rguenther@suse.de>
404
405         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
406         the linker plugin.
407         (store_arg): Queue temp_filename for deletion instead of
408         the whole argument.
409
410 2010-05-07  Richard Guenther  <rguenther@suse.de>
411
412         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
413         (run_gcc): Handle LTRANS phase invocation.
414         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
415
416 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
417
418         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
419         this is also meaningful on PARM_DECLs and RESULT_DECLs.
420
421 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
422
423         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
424
425 2010-05-07  Richard Guenther  <rguenther@suse.de>
426
427         PR tree-optimization/44020
428         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
429         code when PRE is not yet initialized.
430
431 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
432
433         * config/mips/dbxmdebug.h: Remove.
434         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
435
436 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
437
438         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
439         with null pointer and also warn about ordered comparison of zero with
440         pointer if -Wextra.
441
442 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
443
444         * graphite-blocking.c
445         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
446         * graphite-clast-to-gimple.c
447         (clast_to_gcc_expression): Same.
448         (precision_for_value): Same.
449         (precision_for_interval): Same.
450         (gcc_type_for_interval): Same.
451         (graphite_create_new_guard): Same.
452         (compute_bounds_for_level): Same.
453         (graphite_create_new_loop_guard): Same.
454         * graphite-interchange.c
455         (build_linearized_memory_access): Same.
456         (pdr_stride_in_loop): Same.
457         (memory_strides_in_loop_1): Same.
458         (memory_strides_in_loop): Same.
459         (extend_scattering): Same.
460         (psct_scattering_dim_for_loop_depth): Same.
461         (pbb_number_of_iterations): Same.
462         * graphite-poly.h
463         (debug_iteration_domains): Same.
464         * graphite-ppl.c
465         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
466         (ppl_set_inhomogeneous_gmp): Same.
467         (ppl_strip_loop): Same.
468         (ppl_lexico_compare_linear_expressions): Same.
469         (ppl_read_polyhedron_matrix): Same.
470         (ppl_max_for_le_pointset): Same.
471         * graphite-ppl.h
472         (ppl_read_polyhedron_matrix): Same.
473         (tree_int_to_gmp): Same.
474         (gmp_cst_to_tree): Same.
475         (ppl_set_inhomogeneous): Same.
476         (ppl_set_inhomogeneous_tree): Same.
477         (ppl_set_coef): Same.
478         (ppl_set_coef_tree): Same.
479         * graphite-sese-to-poly.c
480         (build_pbb_scattering_polyhedrons): Same.
481         (build_scop_scattering): Same.
482         (scan_tree_for_params_right_scev): Same.
483         (scan_tree_for_params): Same.
484         (find_params_in_bb): Same.
485         (find_scop_parameters): Same.
486         (add_upper_bounds_from_estimated_nit): Same.
487         (build_loop_iteration_domains): Same.
488         (add_condition_to_domain): Same.
489         (pdr_add_memory_accesses): Same.
490
491 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
492
493         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
494         CLooG's value_* macros to their respective mpz_* counterparts.
495         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
496         (graphite_create_new_loop_guard): Same.
497         * graphite-interchange.c (build_linearized_memory_access): Same.
498         (pdr_stride_in_loop): Same.
499         (memory_strides_in_loop_1): Same.
500         (1st_interchange_profitable_p): Same.
501         * graphite-poly.c (extend_scattering): Same.
502         (psct_scattering_dim_for_loop_depth): Same.
503         (pbb_number_of_iterations): Same.
504         (pbb_number_of_iterations_at_time): Same.
505         * graphite-poly.h (new_1st_loop): Same.
506         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
507         (oppose_constraint): Same.
508         (insert_constraint_into_matrix): Same.
509         (ppl_set_inhomogeneous_gmp): Same.
510         (ppl_set_coef_gmp): Same.
511         (ppl_strip_loop): Same.
512         (ppl_lexico_compare_linear_expressions): Same.
513         (ppl_max_for_le_pointset): Same.
514         (ppl_min_for_le_pointset): Same.
515         (ppl_build_realtion): Same.
516         * graphite-ppl.h (gmp_cst_to_tree): Same.
517         (ppl_set_inhomogeneous): Same.
518         (ppl_set_inhomogeneous_tree): Same.
519         (ppl_set_coef): Same.
520         (ppl_set_coef_tree): Same.
521         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
522         (build_scop_scattering): Same.
523         (add_value_to_dim): Same.
524         (scan_tree_for_params_right_scev): Same.
525         (scan_tree_for_params_int): Same.
526         (scan_tree_for_params): Same.
527         (find_params_in_bb): Same.
528         (find_scop_parameters): Same.
529         (add_upper_bounds_from_estimated_nit): Same.
530         (build_loop_iteration_domains): Same.
531         (create_linear_expr_from_tree): Same.
532         (add_condition_to_domain): Same.
533         (pdr_add_memory_accesses): Same.
534
535 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
536             Jason Merrill  <jason@redhat.com>
537
538         * c-common.c (c_common_reswords): Add nullptr.
539         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
540         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
541         (gen_type_die_with_usage): Likewise.
542         * dbxout.c (dbxout_type): Likewise.
543         * sdbout.c (plain_type_1): Likewise.
544
545 2010-05-06  Jason Merrill  <jason@redhat.com>
546
547         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
548         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
549         ret appropriately.
550         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
551
552         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
553         stripping WITH_SIZE_EXPR.
554         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
555         change.
556
557 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
558
559         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
560         list of obsolete configurations.
561         Disabled check for obsolete configurations.
562         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
563         Removed support for previous versions.
564         * config/mips/iris.h: Removed.
565         * config/mips/iris5.h: Removed.
566         * config/mips/iris6.h: Merged old iris.h contents.
567         (TARGET_IRIX): Removed.
568         (DRIVER_SELF_SPECS): Removed mabi=32.
569         (IDENT_ASM_OP): Removed undef.
570         (STARTFILE_SPEC): Removed mabi=32.
571         (ENDFILE_SPEC): Likewise.
572         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
573         (MACHINE_TYPE): Update for IRIX 6.5.
574         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
575         TARGET_IRIX by TARGET_IRIX6.
576         (mips_file_start): Likewise.
577         (mips_output_external): Remove IRIX 5/6 O32 support.
578         (mips_output_function_prologue): Likewise.
579         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
580         TARGET_IRIX6.
581         (TARGET_CPU_CPP_BUILTINS): Likewise.
582         (TARGET_IRIX): Removed.
583         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
584         (MULTILIB_DIRNAMES): Removed 32.
585         (MULTILIB_OSDIRNAMES): Removed ../lib.
586         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
587         (Specific, mips-sgi-irix5): Document removal.
588         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
589         Remove references to older IRIX 6 releases and the O32 ABI.
590
591 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
592
593         PR bootstrap/43994
594         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
595         instead of DF_REF_REAL_REG.
596
597 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
598
599         PR target/43888
600         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
601         handling to still return true for x64 targets.
602
603 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
604
605         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
606
607 2010-05-06  Jan Hubicka  <jh@suse.cz>
608
609         PR tree-optimization/43791
610         * ipa-inline.c (update_caller_keys): Remove bogus
611         disregard_inline_limits check.
612
613 2010-05-06  Michael Matz  <matz@suse.de>
614
615         PR tree-optimization/43984
616         * tree-ssa-pre.c (inserted_phi_names): Remove.
617         (inserted_exprs): Change to bitmap.
618         (create_expression_by_pieces): Set bits, don't append to vector.
619         (insert_into_preds_of_block): Don't handle inserted_phi_names.
620         (eliminate): Don't look at inserted_phi_names, remove deleted
621         insns from inserted_exprs.
622         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
623         (init_pre, fini_pre): Allocate and free bitmaps.
624         (execute_pre): Insert insns on edges before elimination.
625
626 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
627
628         * tree.c (initializer_zerop): Handle STRING_CST.
629
630 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
631
632         PR 40989
633         * doc/invoke.texi (Wimplicit): Document as C only.
634         * opts.c (common_handle_option): Add argument kind.
635         (handle_option): Rename as read_cmdline_option. Factor out code to...
636         (handle_option): ... here. New.
637         (handle_options): Rename as read_cmdline_options.
638         (decode_options): Update call.
639         (set_option): Use option index instead of option pointer. Classify
640         diagnostics correctly.
641         (enable_warning_as_error): Call handle_option.
642         * opts.h (set_option): Update declaration.
643         (handle_option): Declare.
644         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
645         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
646         * c-opts.c (set_Wimplicit): Delete.
647         (c_family_lang_mask): New static constant.
648         (c_common_handle_option): Add argument kind. Use handle_option
649         instead of set_Wimplicit.
650         (c_common_post_options): warn_implicit and warn_implicit_int
651         are disabled by default.
652         * c-common.c (warn_implicit): Do not define here.
653         * c-common.h (warn_implicit): Do not declare here.
654         (c_common_handle_option): Update declaration.
655         * lto-opts.c (lto_reissue_options): Update call to set_option.
656
657 2010-05-06  Richard Guenther  <rguenther@suse.de>
658
659         PR tree-optimization/43571
660         * domwalk.c (walk_dominator_tree): Walk the dominator
661         sons in more optimal order.
662
663 2010-05-06  Richard Guenther  <rguenther@suse.de>
664
665         PR tree-optimization/43934
666         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
667         (stmt_cost): Likewise.
668         (extract_true_false_args_from_phi): New helper.
669         (determine_max_movement): For PHI nodes verify we can hoist them
670         and compute their cost.
671         (determine_invariantness_stmt): Handle PHI nodes.
672         (move_computations_stmt): Likewise.  Hoist PHI nodes in
673         if-converted form using COND_EXPRs.
674         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
675         (tree_ssa_lim): Likewise.
676         * tree-flow.h (tree_ssa_lim): Adjust prototype.
677         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
678
679 2010-05-06  Richard Guenther  <rguenther@suse.de>
680
681         PR tree-optimization/43987
682         * tree-ssa-structalias.c (could_have_pointers): For possibly
683         address-taken variables force pointers to be recorded.
684         (create_variable_info_for_1): Likewise.
685         (push_fields_onto_fieldstack): Pass in wheter all fields
686         must have pointers.
687         (find_func_aliases): Query types instead of vars whether
688         they contain pointers where appropriate.
689
690 2010-05-06  Jan Hubicka  <jh@suse.cz>
691
692         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
693         (record_reference, mark_address, mark_load, mark_store): Record
694         references.
695         (record_references_in_initializer): Update call of record_references.
696         (rebuild_cgraph_edges): Remove all references before rebuiding.
697         * cgraph.c (cgraph_create_node): Clear ref list.
698         (cgraph_remove_node): Remove references.
699         (dump_cgraph_node): Dump references.
700         (cgraph_clone_node): Clone references.
701         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
702         (struct cgraph_node, varpool_node): Add ref_lst.
703         * ipa-ref.c: New file.
704         * ipa-ref.h: New file.
705         * ipa-ref-inline.h: New file.
706         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
707         (referenced_from_other_partition_p): New function.
708         (lto_output_varpool_node): Take set arugment; call
709         referenced_from_other_partition.
710         (lto_output_ref): New.
711         (add_references): New.
712         (output_refs): New.
713         (output_cgraph): Compute boundary based on references; output refs.
714         (output_varpool): Accept cgraph_node_set argument.
715         (input_ref): New.
716         (input_refs): New.
717         (input_cgraph): Call input_refs.
718         * lto-section-in.c (lto_section_name): Add refs.
719         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
720         (ipa-ref.o): New file.
721         * varpool.c (varpool_node): Clear ipa ref list.
722         (varpool_remove_node): Remove references.
723         (dump_varpool_node): Dump references.
724         (varpool_assemble_decl): Only compile finalized ones.
725         (varpool_extra_name_alias): Initialize ref list.
726         * lto-streamer.c (lto-get_section_name): Add .refs section.
727         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
728         (referenced_from_other_partition_p): Declared.
729
730 2010-05-06  Ira Rosen  <irar@il.ibm.com>
731
732         PR tree-optimization/43901
733         * tree-vect-stmts.c (vectorizable_call): Assert that vector
734         type is not NULL if it's transformation phase, and return
735         FALSE if it's analysis.
736         (vectorizable_conversion, vectorizable_operation,
737         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
738
739 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
740
741         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
742         Delete.
743         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
744         New define.
745         * config/mips/mips-protos.h
746         (mips_small_register_classes_for_mode_p): Delete prototype.
747
748 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
749
750         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
751         * config/arm/arm.c (multiple_operation_profitable_p,
752         compute_offset_order): New static functions.
753         (load_multiple_sequence, store_multiple_sequence): Use them.
754         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
755         memory offsets, not register numbers.
756         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
757
758 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
759
760         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
761         (get_pending_sizes, put_pending_size, put_pending_sizes):
762         Update the uses of pending_sizes.
763         * c-decl.c (store_parm_decls): Likewise.
764         * c-tree.h (struct c_arg_info): Likewise.
765         * tree.h: Update the prototype for get_pending_sizes and
766         put_pending_sizes.
767
768 2010-05-05  Jason Merrill  <jason@redhat.com>
769
770         PR debug/43370
771         * c-common.c (handle_aligned_attribute): Respect
772         ATTR_FLAG_TYPE_IN_PLACE.
773
774         PR testsuite/43758
775         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
776         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
777         (TARGET_INITIALIZER): Use it.
778         * c-common.c (attribute_takes_identifier_p): Call it.
779         * c-common.h: Update prototype.
780         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
781         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
782
783 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
784
785         PR debug/43950
786         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
787         DW_ID_down_case for Fortran compilation units.
788
789 2010-05-05  Jan Hubicka  <jh@suse.cz>
790
791         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
792         handle aliases.
793
794 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
795
796         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
797         a variable-sized RESULT_DECL.
798
799 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
800
801         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
802
803 2010-05-05  Jason Merrill  <jason@redhat.com>
804
805         PR c++/43787
806         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
807         returns GS_OK.
808         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
809
810 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
811             Jakub Jelinek  <jakub@redhat.com>
812
813         PR debug/43478
814         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
815         (dead_debug_init, dead_debug_finish): New functions.
816         (dead_debug_add, dead_debug_insert_before): Likewise.
817         (df_note_bb_compute): Initialize a dead_debug object, add dead
818         debug uses to it, insert debug bind insns before death insns,
819         reset debug insns that refer to pending uses at the end.
820         * rtl.h (make_debug_expr_from_rtl): New prototype.
821         * varasm.c (make_debug_expr_from_rtl): New function.
822
823 2010-05-05  Jan Hubicka  <jh@suse.cz>
824
825         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
826         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
827         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
828         lto_varpool_encoder_deref, lto_varpool_encoder_size,
829         lto_varpool_encoder_encode_initializer_p,
830         lto_set_varpool_encoder_encode_initializer): New functions.
831         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
832         call output_varpool.
833         (input_varpool_node): Do not always set analyzed.
834         (input_cgraph_1): Return vector of cgraph nodes.
835         (input_varpool_1): Return vector of varpools.
836         (input_cgraph): Free the vectors.
837         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
838         output only initializers needed.
839         (lto_output): Only call output_cgraph.
840         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
841         * lto-section-out.c (lto_new_out_decl_state): Initialize
842         state->varpool_node_encoder.
843         * lto-streamer.h (lto_varpool_encoder_d): New.
844         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
845         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
846         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
847         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
848         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
849         Declare.
850         (output_varpool, input_varpool): Remove declarations.
851
852 2010-05-05  Jan Hubicka  <jh@suse.cz>
853
854         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
855         with body can prevail.
856
857 2010-05-05  Jan Hubicka  <jh@suse.cz>
858
859         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
860         size.
861
862 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
863
864         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
865
866         * gengtype.h (erro_at_line): Constify pos argument.
867
868         * gengtype.c: Include hashtab.h.
869         (enum gc_used): Document GC_MAYBE_POINTED_TO.
870         (error_at_line): Constify pos argument.
871         (do_typedef): Initialize p->opt field.
872         (get_file_gtfilename): Fix comment typo.
873         (struct walk_type_data): Constify line field.
874         (get_output_file_for_structure): New function.
875         (write_local_func_for_structure): Constify orig_s argument.
876         Use get_output_file_for_structure.
877         (write_func_for_structure): Use get_output_file_for_structure.
878         (INDENT): New define.
879         (dump_pair, dump_type, dump_type_list, dump_typekind)
880         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
881         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
882         functions.
883         (seen_types): New variable.
884         (main): New variable do_dump.  Process "-d" command line option.
885         Call dump_everything if dump requested.
886
887 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
888
889         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
890         in a temporary instead of invoking the macro multiple times.
891         (track_expr_p): Likewise.
892
893 2010-05-04  Neil Vachharajani <nvachhar@google.com>
894
895         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
896         per new semantics.
897         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
898         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
899         conditions for printing notes.
900         * common.opt (-Wcoverage-mismatch): Allow negative, default to
901         true, update documentation.
902         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
903
904 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
905
906         PR c/43981
907         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
908         on dimen.
909
910 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
911
912         PR target/43799
913         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
914         (*sse_prologue_save_insn1): Likewise.
915         (SSE prologue save splitter): Likewise.
916
917 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
918
919         * tree.c (free_lang_data_in_one_sizepos): New inline function.
920         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
921         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
922         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
923         all decls.  Call it on DECL_FIELD_OFFSET of fields.
924         (find_decls_types_r): Follow DECL_VALUE_EXPR.
925         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
926
927 2010-05-04  Martin Jambor  <mjambor@suse.cz>
928
929         * tree-sra.c (build_access_from_expr_1): The first parameter type
930         changed to simple tree.
931         (build_access_from_expr): Likewise, gsi parameter was eliminated.
932         (scan_assign_result): Renamed to assignment_mod_result, enum elements
933         renamed as well.
934         (build_accesses_from_assign): Removed all parameters except for a
935         simple gimple statement.  Now returns a simple bool.
936         (scan_function): All non-analysis parts moved to separate functions
937         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
938         parameters and updated both callers.
939         (sra_modify_expr): Removed parameter data.
940         (sra_modify_function_body): New function.
941         (perform_intra_sra): Call sra_modify_function_body to modify the
942         function body.
943         (replace_removed_params_ssa_names): Parameter data changed into
944         adjustments vector.
945         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
946         changed the parameter dont_convert to convert with the opposite
947         meaning.
948         (sra_ipa_modify_assign): Parameter data changed into adjustments
949         vector, return value changed to bool.
950         (ipa_sra_modify_function_body): New function.
951         (sra_ipa_reset_debug_stmts): Updated a comment.
952         (modify_function): Use ipa_sra_modify_function_body to modify function
953         body.
954
955 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
956
957         PR middle-end/43671
958         * alias.c (true_dependence): Handle the same VALUE in x and mem.
959         (canon_true_dependence): Likewise.
960         (write_dependence_p): Likewise.
961
962 2010-05-04  Jan Hubicka  <jh@suse.cz>
963
964         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
965         * cgraphbuild.c: Include ipa-utils.h
966         (record_reference_ctx): New struct.
967         (record_reference): Simplify to work on initializers; not statements.
968         (mark_address, mark_load, mark_store): New.
969         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
970         walk PHI nodes too.
971         (record_references_in_initializer): Update use of record_reference.
972         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
973         walk PHI nodes too.
974
975 2010-05-04  Jan Hubicka  <jh@suse.cz>
976
977         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
978         node will be removed anyway.
979         (lto_varpool_replace_node): Allow also unanalyzed nodes;
980         relink aliases of node into prevailing node.
981         * varpool.c (varpool_remove_node): Remove aliases properly;
982         when removing node, remove all its aliases too; remove DECL_INITIAL
983         of removed node; ggc_free the varpool node.
984
985 2010-05-04  Richard Guenther  <rguenther@suse.de>
986
987         PR tree-optimization/43879
988         * tree-ssa-structalias.c (alias_get_name): Use
989         DECL_ASSEMBLER_NAME if available.
990         (create_function_info_for): Return the varinfo node.
991         (ipa_pta_execute): Associate same-body aliases and extra names
992         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
993
994 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
995
996         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
997
998 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
999
1000         PR bootstrap/43964
1001         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1002         only if HONOR_REG_ALLOC_ORDER is not defined.
1003
1004 2010-05-04  Richard Guenther  <rguenther@suse.de>
1005
1006         PR tree-optimization/43949
1007         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1008         TRUNC_MOD_EXPR.
1009
1010 2010-04-26  Jason Merrill  <jason@redhat.com>
1011
1012         * c.opt (-fstrict-enums): New.
1013         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1014
1015 2010-05-03  David Ung <davidu@mips.com>
1016             James E. Wilson  <wilson@codesourcery.com>
1017
1018         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1019         emit the trap instruction before the divide for TUNE_74K.
1020
1021 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1022
1023         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1024         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1025         based on the above, for new target hook.
1026
1027         * hooks.c (hook_bool_mode_true): New generic hook.
1028         * hooks.h (hook_bool_mode_true): Add prototype.
1029
1030         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1031         target hook.
1032         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1033         target hook, set to hook_bool_mode_false.
1034         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1035         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1036         with targetm.small_register_classes_for_mode_p.
1037         (find_reusable_reload): Likewise.
1038         (combine_reloads): Likewise.
1039         * reload1.c (reload_as_needed): Likewise.
1040         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1041         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1042         dead_or_predicable): Likewise.
1043         * regmove.c (optimize_reg_copy_1): Likewise.
1044         * calls.c (prepare_call_address): Likewise.
1045         (precompute_register_parameters): Likewise.
1046
1047         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1048         hook definition.
1049         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1050         implementation of the hook that considers all register classes
1051         small except for SH64.
1052         (sh_override_options): Use the new hook.
1053         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1054         Add prototype.
1055
1056         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1057         hook definition.
1058         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1059         implementation of the hook that considers all register classes
1060         small for THUMB1.
1061         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1062         Add prototype.
1063
1064         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1065         hook definition.
1066         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1067         implementation of the hook that considers all register classes
1068         small for MIPS16.
1069         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1070         Add prototype.
1071
1072         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1073         hook definition.
1074         * config/m32c/m32c.h: Likewise.
1075         * config/pdp11/pdp11.h: Likewise.
1076         * config/avr/avr.h: Likewise.
1077         * config/xtensa/xtensa.h: Likewise.
1078         * config/m68hc11/m68hc11.h: Likewise.
1079         * config/mn10300/mn10300.h: Likewise.
1080         * config/mcore/mcore.h: Likewise.
1081         * config/h8300/h8300.h: Likewise.
1082         * config/bfin/bfin.h: Likewise.
1083
1084         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1085         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1086
1087 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1088
1089         * double-int.h (tree_to_double_int): Remove macro.
1090         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1091         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1092         (tree_to_double_int): New function.
1093         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1094         Move ...
1095         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1096
1097 2010-05-03  Richard Guenther  <rguenther@suse.de>
1098
1099         PR tree-optimization/43971
1100         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1101         constraints in the !flag_delete_null_pointer_checks case.
1102
1103 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1104
1105         PR debug/43972
1106         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1107         result mode matches original rtl mode.
1108
1109 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1110
1111         PR target/43888
1112         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1113
1114 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1115
1116         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1117         when processing flag options.
1118
1119 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1120
1121         * gcov-iov.c (main): Change format string placeholder
1122         from %#08x to 0x%08x.
1123         * genchecksum.c (dosum): Change format string placeholder
1124         from %#02x to 0x%02x.
1125
1126 2010-05-02  Richard Guenther  <rguenther@suse.de>
1127
1128         PR tree-optimization/43879
1129         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1130
1131 2010-05-02  Bruno Haible  <bruno@clisp.org>
1132
1133         * doc/extend.texi (Function Attributes): Fix a typo.
1134
1135 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1136
1137         Revert:
1138         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1139         placeholder from 0x%x to %#x.
1140         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1141         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1142         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1143         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1144         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1145         * config/i386/i386.c (ix86_target_string): Ditto.
1146         * config/i386/i386.c (output_pic_addr_const): Ditto.
1147         (print_operand): Ditto.
1148
1149 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1150
1151         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1152         placeholder from 0x%x to %#x.
1153         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1154         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1155         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1156         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1157         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1158         * optc-gen.awk: Ditto.
1159         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1160         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1161         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1162         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1163
1164 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1165
1166         * target.h (struct calls): Add function_value_regno_p field.
1167         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1168         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1169         * targhooks.c (default_function_value_regno_p): New function.
1170         * targhooks.h (default_function_value_regno_p): Declare function.
1171         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1172         * builtins.c. (apply_result_size): (Ditto.).
1173         * combine.c. (likely_spilled_retval_p): (Ditto.).
1174         * mode-switching.c. Include 'target.h'.
1175         (create_pre_exit): Use function_value_regno_p hook.
1176         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1177         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1178         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1179
1180         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1181         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1182         (ix86_function_value_regno_p): Declare as static, change argument
1183         type to const unsigned int.
1184         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1185
1186 2010-05-01  Richard Guenther  <rguenther@suse.de>
1187
1188         PR tree-optimization/43949
1189         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1190         types.
1191         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1192
1193 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1194
1195         * rtl.h (CONST_DOUBLE_P): Define.
1196         (rtx_to_double_int): Declare.
1197         * emit-rtl.c (rtx_to_double_int): New function.
1198         * dwarf2out.c (insert_double): New function.
1199         (loc_descriptor, add_const_value_attribute): Clean up, use
1200         rtx_to_double_int and insert_double functions.
1201
1202 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1203
1204         * doc/extend.texi (Inline): Add missing return keyword to examples.
1205         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1206         "command-line".
1207
1208 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1209
1210         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1211         the variable part of the offset as well.  Use highest_pow2_factor for
1212         all alignment checks.
1213
1214 2010-04-30  Richard Guenther  <rguenther@suse.de>
1215
1216         PR tree-optimization/43879
1217         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1218         can have pointers.
1219
1220 2010-04-30  Jan Hubicka  <jh@suse.cz>
1221
1222         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1223         varpool.
1224         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1225
1226 2010-04-30  Jan Hubicka  <jh@suse.cz>
1227
1228         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1229         New.
1230         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1231         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1232         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1233         cgraph_node_set_needs_ltrans_p): Remove.
1234
1235 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1236
1237         * sdbout.c: Include vec.h, do not include varray.h.
1238         (deferred_global_decls, sdbout_global_decl,
1239         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1240         * toplev.c: Do not include varray.h.
1241         (dump_memory_report): Do not dump VARRAY statistics.
1242         * gengtype.c (open_base_file): Ignore varray.h.
1243         * Makefile.in: Update for abovementioned changes.
1244         Remove all traces of varray.c and varray.h.
1245         * varray.c: Remove file.
1246         * varray.h: Remove file.
1247
1248 2010-04-30  Jan Hubicka  <jh@suse.cz>
1249
1250         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1251         references.
1252
1253 2010-04-30  Jan Hubicka  <jh@suse.cz>
1254
1255         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1256         needed.
1257
1258 2010-04-30  Richard Guenther  <rguenther@suse.de>
1259
1260         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1261         constraints for CONSTRUCTOR.
1262
1263 2010-04-30  Richard Guenther  <rguenther@suse.de>
1264
1265         PR lto/43946
1266         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1267         first after all lowering passes.
1268
1269 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1270
1271         * toplev.c: Include varray.h for statistics dumping.
1272         * tree.h: Do not declare varray_head_tag.
1273         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1274         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1275         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1276         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1277         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1278         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1279         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1280         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1281         include varray.h.
1282         * Makefile.in: Update for abovementioned changes.
1283
1284 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1285
1286         PR debug/43942
1287         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1288
1289 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1290
1291         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1292         Use this function to do machine-specific conversion.
1293         (picochip_legitimize_reload_address): Likewise.
1294         (picochip_legitimate_address_p): Check valid base register only if
1295         strict.
1296         (picochip_check_conditional_copy): Check for modw only if opnd is
1297         register.
1298         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1299         to call the function in c.
1300         * config/picochip/picochip-protos.h
1301         (picochip_legitimize_reload_address): Define.
1302         * config/picochip/picochip.md (supported_compare1): Define.
1303
1304 2010-04-30  Jan Hubicka  <jh@suse.cz>
1305
1306         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1307         (cgraph_global_info): Remove inlined.
1308         (LTO_cgraph_tag_names): Remove.
1309         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1310         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1311         simplify cgraph tags and document.
1312         (lto_output_node): Use only LTO_cgraph_unavail_node and
1313         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1314         for_functions_valid, global info, process and output flags.
1315         (input_overwrite_node): Initialize estimated stack size and
1316         estimated growth.  Do not read flags we no longer store.
1317         (input_node): Likewise do not read info no longer stored.
1318         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1319         flag.
1320
1321 2010-04-30  Richard Guenther  <rguenther@suse.de>
1322
1323         PR tree-optimization/43879
1324         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1325         handle non-zero initializers.
1326
1327 2010-04-30  Richard Guenther  <rguenther@suse.de>
1328
1329         * builtins.c (fold_builtin_1): Delete free (0).
1330
1331 2010-04-29  Jan Hubicka  <jh@suse.cz>
1332
1333         * gengtype.c (open_base_files): Add lto-streamer.h
1334         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1335         (pass_ipa_cp): GGC collect.
1336         * toplev. (compile_file): Do not output symbols.
1337         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1338         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1339         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1340         * lto-section-in.c: Include ggc.h
1341         (lto_new_in_decl_state): Alloc in GGC.
1342         (lto_delete_in_decl_state): Likewise.
1343         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1344         Collect.
1345
1346 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1347
1348         PR target/42895
1349         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1350         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1351         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1352         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1353         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1354         account only if HONOR_REG_ALLOC_ORDER is not defined.
1355         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1356         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1357
1358 2010-04-29  Jon Grant  <04@jguk.org>
1359
1360         * collect2.c (vflag): Change type from int to bool.
1361         (debug): Likewise.
1362         (helpflag): New global bool.
1363         (main): Set vflag and debug with boolean, not integer truth values.
1364         Accept new "--help" option and output usage text if found.
1365         * collect2.h (vflag): Update prototype.
1366         (debug): Likewise.
1367
1368 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1369
1370         PR bootstrap/43936
1371         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1372
1373 2010-04-29  Richard Guenther  <rguenther@suse.de>
1374
1375         PR bootstrap/43935
1376         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1377         with ATTRIBUTE_UNUSED.
1378
1379 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1380
1381         PR target/43921
1382         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1383         INSN_P with NONDEBUG_INSN_P.
1384         (distance_non_agu_define): Likewise.
1385         (distance_agu_use): Likewise.
1386
1387 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1388
1389         From Dominique d'Humieres <dominiq@lps.ens.fr>
1390         PR bootstrap/43858
1391         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1392         test_set.
1393
1394 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1395
1396         * plugin.h (invoke_plugin_callbacks): New inline function.
1397         * plugin.c (flag_plugin_added): New global flag.
1398         (add_new_plugin): Initialize above flag.
1399         (invoke_plugin_callbacks): Rename to ...
1400         (invoke_plugin_callbacks_full): ... this.
1401
1402 2010-04-28  Jan Hubicka  <jh@suse.cz>
1403
1404         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1405         (lto_varpool_replace_node): New.
1406         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1407         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1408         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1409         * cgraph.h (varpool_node_ptr): New type.
1410         (varpool_node_ptr): New vector.
1411         (varpool_node_set_def): New structure.
1412         (varpool_node_set): New type.
1413         (varpool_node_set): New vector.
1414         (varpool_node_set_element_def): New structure.
1415         (varpool_node_set_element, const_varpool_node_set_element): New types.
1416         (varpool_node_set_iterator): New type.
1417         (varpool_node): Add prev pointers, add used_from_other_partition,
1418         in_other_partition.
1419         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1420         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1421         varpool_get_node, varpool_remove_node): Declare.
1422         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1423         varpool_node_set_size): New inlines.
1424         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1425         * tree-pass.h (varpool_node_set_def): Forward declare.
1426         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1427         (ipa_write_optimization_summaries): Update prototype.
1428         * ipa-cp.c (ipcp_write_summary): Update.
1429         * ipa-reference.c (ipa_reference_write_summary): Update.
1430         * lto-cgraph.c (lto_output_varpool_node): New static function.
1431         (output_varpool): New function.
1432         (input_varpool_node): New static function.
1433         (input_varpool_1): New function.
1434         (input_cgraph): Input varpool.
1435         * ipa-pure-const.c (pure_const_write_summary): Update.
1436         * lto-streamer-out.c (lto_output): Update, output varpool too.
1437         (write_global_stream): Kill WPA hack.
1438         (produce_asm_for_decls): Update.
1439         (output_alias_pair_p): Handle variables.
1440         (output_unreferenced_globals): Output only needed partition of varpool.
1441         * ipa-inline.c (inline_write_summary): Update.
1442         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1443         cgraph.
1444         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1445         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1446         varpool_node_set_new, varpool_node_set_add,
1447         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1448         debug_varpool_node_set): New functions.
1449         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1450         (execute_one_pass): Process new decls too.
1451         (ipa_write_summaries_2): Pass around vsets.
1452         (ipa_write_summaries_1): Likewise.
1453         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1454         to add.
1455         (ipa_write_optimization_summaries_1): Pass around vsets.
1456         (ipa_write_optimization_summaries): Likewise.
1457         * varpool.c (varpool_get_node): New.
1458         (varpool_node): Update doubly linked lists.
1459         (varpool_remove_node): New.
1460         (dump_varpool_node): More dumping.
1461         (varpool_enqueue_needed_node): Update doubly linked lists.
1462         (decide_is_variable_needed): Kill ltrans hack.
1463         (varpool_finalize_decl): Kill lto hack.
1464         (varpool_assemble_decl): Skip decls in other partitions.
1465         (varpool_assemble_pending_decls): Update doubly linkes lists.
1466         (varpool_empty_needed_queue): Likewise.
1467         (varpool_extra_name_alias): Likewise.
1468         * lto-streamer.c (lto_get_section_name): Add vars section.
1469         * lto-streamer.h (lto_section_type): Update.
1470         (output_varpool, input_varpool): Declare.
1471
1472 2010-04-28  Mike Stump  <mikestump@comcast.net>
1473
1474         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1475
1476 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1477
1478         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1479         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1480         (lto_input_ts_type_tree_pointers): Likewise.
1481         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1482         (lto_output_ts_type_tree_pointers): Likewise.
1483
1484 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         Uniquization of constants at the Tree level
1487         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1488         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1489         bit to the end.
1490         (tree_output_constant_def): Declare.
1491         * gimplify.c (gimplify_init_constructor): When using block copy, first
1492         uniquize the constant constructor on the RHS.
1493         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1494         DECL_IN_CONSTANT_POOL flag.
1495         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1496         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1497         constant pool.
1498         (assemble_variable): Deal with symbols belonging to the tree constant
1499         pool.
1500         (get_constant_section): Add ALIGN parameter and simplify.
1501         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1502         (assemble_constant_contents): Use the expression of the VAR_DECL.
1503         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1504         (tree_output_constant_def): New global function.
1505         (mark_constant): Use the expression of the VAR_DECL.
1506         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1507         its expression.
1508         (output_object_block): Likewise and assemble the expression.
1509
1510 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1511
1512         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1513         hash_tree, eq_tree): New tree hash table.
1514         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1515         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1516         lto_orig_address_remove): Reimplement.
1517
1518 2010-04-28  Xinliang David Li  <davidxl@google.com>
1519
1520         PR c/42643
1521         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1522         (compute_uninit_opnds_pos): New function.
1523         (is_non_loop_exit_postdominating): New function.
1524         (compute_control_dep_chain): New function.
1525         (find_pdom): New function.
1526         (convert_control_dep_chain_into_preds): New function.
1527         (find_predicates): New function.
1528         (find_control_equiv_block): New function.
1529         (collect_phi_def_edges): New function.
1530         (find_def_preds): New function.
1531         (find_dom): New function.
1532         (dump_predicates): New function.
1533         (get_cmp_code): New function.
1534         (is_value_included_in): New function.
1535         (find_matching_predicate_in_rest_chains): New function.
1536         (use_pred_not_overlap_with_undef_path_pred): New function.
1537         (is_use_properly_guarded): New function.
1538         (normalize_cond_1): New function.
1539         (is_and_or_or): New function.
1540         (normalize_cond): New function.
1541         (is_gcond_subset_of): New function.
1542         (is_subset_of_any): New function.
1543         (is_or_set_subset_of): New function.
1544         (is_and_set_subset_of): New function.
1545         (is_norm_cond_subset_of): New function.
1546         (is_pred_expr_subset_of): New function.
1547         (is_pred_chain_subset_of): New function.
1548         (is_included_in): New function.
1549         (is_superset_of): New function.
1550         (find_uninit_use): New function.
1551         (warn_uninitialized_phi): New function.
1552         (compute_possibly_undefined_names): New function.
1553         (ssa_undefined_value_p): New function.
1554         (execute_late_warn_uninitialized): New function.
1555         * tree-ssa.c (ssa_undefined_value_p): Removed.
1556         (warn_uninit): Changed to extern.
1557         (warn_uninitialized_phi): Removed.
1558         (warn_uninitialized_vars): Changed to extern.
1559         (execute_late_warn_uninitialized): Removed
1560         * tree-flow.h: Add new prototypes.
1561         * timevar.def: Add new time variable.
1562         * Makefile.in: Add new build file.
1563
1564 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1565
1566         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1567         type if available.
1568
1569 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1570
1571         PR target/22224
1572         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1573
1574 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1575
1576         * cgraph.h (struct cgraph_node): New field indirect_calls.
1577         (struct cgraph_indirect_call_info): New type.
1578         (struct cgraph_edge): Removed field indirect_call. New fields
1579         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1580         (cgraph_create_indirect_edge): Declare.
1581         (cgraph_make_edge_direct): Likewise.
1582         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1583         * ipa-prop.h (struct ipa_param_call_note): Removed.
1584         (struct ipa_node_params): Removed field param_calls.
1585         (ipa_create_all_structures_for_iinln): Declare.
1586         * cgraph.c: Described indirect edges and uids in initial comment.
1587         (cgraph_add_edge_to_call_site_hash): New function.
1588         (cgraph_edge): Search also among the indirect edges, use
1589         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1590         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1591         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1592         site hash.
1593         (initialize_inline_failed): Assign a reason to indirect edges.
1594         (cgraph_create_edge_1): New function.
1595         (cgraph_create_edge): Moved some functionality to
1596         cgraph_create_edge_1.
1597         (cgraph_create_indirect_edge): New function.
1598         (cgraph_edge_remove_callee): Add an assert checking for
1599         non-indirectness.
1600         (cgraph_edge_remove_caller): Special-case indirect edges.
1601         (cgraph_remove_edge): Likewise.
1602         (cgraph_set_edge_callee): New function.
1603         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1604         (cgraph_make_edge_direct): New function.
1605         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1606         the declaration of the call statement matches.
1607         (cgraph_node_remove_callees): Special-case indirect edges.
1608         (cgraph_clone_edge): Likewise.
1609         (cgraph_clone_node): Clone also the indirect edges.
1610         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1611         indirect_call, dump count of indirect_calls edges.
1612         * ipa-prop.c (iinlining_processed_edges): New variable.
1613         (ipa_note_param_call): Create indirect edges instead of
1614         creating notes.  New parameter node.
1615         (ipa_analyze_call_uses): New parameter node, pass it on to
1616         ipa_note_param_call.
1617         (ipa_analyze_stmt_uses): Likewise.
1618         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1619         (print_edge_addition_message): Work on edges rather than on notes.
1620         (update_call_notes_after_inlining): Likewise, renamed to
1621         update_indirect_edges_after_inlining.
1622         (ipa_create_all_structures_for_iinln): New function.
1623         (ipa_free_node_params_substructures): Do not free notes.
1624         (ipa_edge_duplication_hook): Propagate bits within
1625         iinlining_processed_edges bitmap.
1626         (ipa_node_duplication_hook): Do not duplicate notes.
1627         (free_all_ipa_structures_after_ipa_cp): Renamed to
1628         ipa_free_all_structures_after_ipa_cp.
1629         (free_all_ipa_structures_after_iinln): Renamed to
1630         ipa_free_all_structures_after_iinln.
1631         (ipa_write_param_call_note): Removed.
1632         (ipa_read_param_call_note): Removed.
1633         (ipa_write_indirect_edge_info): New function.
1634         (ipa_read_indirect_edge_info): Likewise.
1635         (ipa_write_node_info): Do not stream notes, do stream information
1636         in indirect edges.
1637         (ipa_read_node_info): Likewise.
1638         (lto_ipa_fixup_call_notes): Removed.
1639         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1640         * ipa-inline.c (pass_ipa_inline): Likewise.
1641         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1642         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1643         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1644         is_gimple_call.
1645         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1646         edges.
1647         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1648         (output_cgraph): Stream also indirect edges.
1649         (lto_output_edge): Added capability to stream indirect edges.
1650         (input_edge): Likewise.
1651         (input_cgraph_1): Likewise.
1652         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1653         of indirect edges.
1654
1655 2010-04-28  Richard Guenther  <rguenther@suse.de>
1656
1657         PR tree-optimization/43879
1658         PR tree-optimization/43909
1659         * tree-ssa-structalias.c (struct variable_info): Add
1660         only_restrict_pointers flag.
1661         (new_var_info): Initialize it.  Increment stats.total_vars here.
1662         (create_function_info_for): Do not increment stats.total_vars here.
1663         (get_function_part_constraint): Fix build with C++.
1664         (insert_into_field_list): Remove.
1665         (push_fields_onto_fieldstack): Properly merge fields.
1666         (create_variable_info_for): Split and simplify.
1667         (create_variable_info_for_1): New piece.
1668         (intra_create_variable_infos): Properly make restrict constraints
1669         from parameters.
1670
1671 2010-04-28  Richard Guenther  <rguenther@suse.de>
1672
1673         PR c++/43880
1674         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1675
1676 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1677             Jan Hubicka <hubicka@ucw.cz>
1678
1679         * doc/invoke.texi (-Wsuggest-attribute=const,
1680         -Wsuggest-attribute=pure): Document.
1681         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1682         (function_always_visible_to_compiler_p,
1683         suggest_attribute, warn_function_pure, warn_function_const):
1684         New functions.
1685         (check_call): Improve debug info.
1686         (analyze_function): Do not check availability.
1687         (add_new_function): Check availability.
1688         (propagate): Output warnings.
1689         (skip_function_for_local_pure_const): New function.
1690         (local_pure_const): Use it; output warnings.
1691         * common.opt (Wsuggest-attribute=const,
1692         Wsuggest-attribute=pure): New.
1693
1694 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1695
1696         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1697         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1698         or DW_CFA_def_cfa_offset{,_sf}.
1699
1700 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1701
1702         * tree.h: Fix truncated long macros.
1703
1704 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1705
1706         * collect2.c (TARGET_64BIT): Redefine to target's default.
1707         * tlink.c: Likewise.
1708         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1709         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1710         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1711         for underscoring __USER_LABEL_PREFIX__.
1712         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1713         (SUB_LINK_ENTRY32): New.
1714         (SUB_LINK_ENTRY64): New.
1715         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1716         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1717         (SUB_LINK_ENTRY64): New.
1718         (SUB_LINK_ENTRY): New.
1719         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1720         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1721         x64 target is choosen.
1722         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1723         * configure: Regenerated.
1724         * configure.ac (leading-mingw64-underscores): Option added.
1725
1726 2010-04-27  Jan Hubicka  <jh@suse.cz>
1727
1728         * doc/invoke.texi (-fipa-profile): Document.
1729         * opts.c (decode_options): Enable ipa-profile at -O1.
1730         * timevar.def (TV_IPA_PROFILE): Define.
1731         * common.opt (fipa-profile): Add.
1732         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1733         flag for clones.
1734         (cgraph_propagate_frequency): Handle only local ones.
1735         * tree-pass.h (pass_ipa_profile): Declare.
1736         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1737         (pass_ipa_profile): Use TV_IPA_PROFILE.
1738         * ipa.c (ipa_profile): New function.
1739         (gate_ipa_profile): Likewise.
1740         (pass_ipa_profile): New global variable.
1741         * passes.c (pass_ipa_profile): New.
1742
1743 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1744
1745         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1746
1747 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1748
1749         PR middle-end/43812
1750         * ipa.c (dissolve_same_comdat_group_list): New function.
1751         (function_and_variable_visibility): Call
1752         dissolve_same_comdat_group_list when comdat group contains external or
1753         newly local nodes.
1754         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1755         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1756
1757 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1758
1759         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1760         (const_hash_1) <VECTOR_CST>: New case.
1761         (compare_constant) <VECTOR_CST>: Likewise.
1762         <ADDR_EXPR>: Deal with LABEL_REFs.
1763         (copy_constant) <VECTOR_CST>: New case.
1764
1765 2010-04-27  Jan Hubicka  <jh@suse.cz>
1766
1767         * cgraph.c (cgraph_propagate_frequency): New function.
1768         * cgraph.h (cgraph_propagate_frequency): Declare.
1769         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1770         cgraph_propagate_frequency.
1771
1772 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1773
1774         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1775
1776 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1777
1778         PR target/40657
1779         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1780         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1781         here to determine which regs to push and how much stack to reserve.
1782
1783 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1784
1785         * doc/gimple.texi (gimple_statement_with_ops): Remove
1786         addresses_taken field.
1787         (gimple_statement_with_memory_ops): Likewise.
1788
1789 2010-04-27  Jan Hubicka  <jh@suse.cz>
1790
1791         * tree-inline.c (eni_inlining_weights): Remove.
1792         (estimate_num_insns): Special case more builtins.
1793
1794 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1795
1796         PR c/32207
1797         * c-typeck.c (build_binary_op): Move forward check for comparison
1798         pointer with null pointer constant and adjust the diagnostic message.
1799
1800 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1801
1802         PR lto/42776
1803         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1804         binutils supports extended .section directive needed by LTO, or
1805         warn if older binutils found.
1806         (LTO_BINARY_READER): New AC_SUBST'd variable.
1807         (LTO_USE_LIBELF): Likewise.
1808         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1809         variable.
1810         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1811         (LTO_USE_LIBELF): Likewise.
1812         * configure: Regenerate.
1813
1814         * collect2.c (is_elf): Rename from this ...
1815         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1816          object files in addition to ELF-formatted ones.
1817         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1818         symbol to be prefixed or not by an extra underscore.
1819
1820         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1821         * config/i386/winnt.c: Also #include lto-streamer.h
1822         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1823         LTO named sections.
1824         (i386_pe_asm_output_aligned_decl_common): Add comment.
1825         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1826
1827 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1828
1829         PR target/43889
1830         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1831         Add missing earlyclobber for second alternative.
1832
1833 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1834
1835         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1836         bits for artificial defs at the top of the block.
1837         * fwprop.c (single_def_use_enter_block): Don't call it.
1838
1839 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1840
1841         PR 43715
1842         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1843         instead of "$gcc_cv_objdump -T".
1844         Use "-undefined dynamic_lookup" on darwin.
1845         * gcc/configure: Regenerate.
1846
1847 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1848
1849         PR c/43893
1850         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1851
1852 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1853
1854         * c-parser.c (struct c_token): Move location field up.
1855         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1856         (struct c_declspecs): Convert typespec_word, storage_class, and
1857         default_int_p into bitfields.
1858         (struct c_declarator): Move loc field up.
1859
1860 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1861
1862         * cfgloop.h (struct loop): Move can_be_parallel field up.
1863         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1864         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1865         down.
1866         (struct iv_cand): Convert pos field into a bitfield.
1867         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1868         field up.
1869         (struct _stmt_vec_info): Shuffle fields for better packing.
1870
1871 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1872
1873         * varasm.c (IN_NAMED_SECTION): Remove guard.
1874         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1875         (IN_NAMED_SECTION_P): ...this.
1876         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1877         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1878
1879 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1880
1881         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1882         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1883         of shadowing it.  Fix comments.
1884
1885 2010-04-26  Jan Hubicka  <jh@suse.cz>
1886
1887         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1888         (cgraph_clone_node): Copy function frequency.
1889         * cgraph.h (node_frequency): New enum
1890         (struct cgraph_node): Add.
1891         * final.c (rest_of_clean_state): Update.
1892         * lto-cgraph.c (lto_output_node): Output node frequency.
1893         (input_overwrite_node): Input node frequency.
1894         * tre-ssa-loop-ivopts (computation_cost): Update.
1895         * lto-streamer-out.c (output_function): Do not output function
1896         frequency.
1897         * predict.c (maybe_hot_frequency_p): Update and handle functions
1898         executed once.
1899         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1900         attribute lookup.
1901         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1902         (compute_function_frequency): Set noreturn functions to be executed
1903         once.
1904         (choose_function_section): Update.
1905         * lto-streamer-in.c (input_function): Do not input function frequency.
1906         * function.c (allocate_struct_function): Do not initialize function
1907         frequency.
1908         * function.h (function_frequency): Remove.
1909         (struct function): Remove function frequency.
1910         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1911         (try_update): Update.
1912         * tree-inline.c (initialize_cfun): Do not update function frequency.
1913         * passes.c (pass_init_dump_file): Update.
1914         * i386.c (ix86_compute_frame_layout): Update.
1915         (ix86_pad_returns): Update.
1916
1917 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1918
1919         PR tree-optimization/43833
1920         * tree-vrp.c (range_int_cst_p): New.
1921         (range_int_cst_singleton_p): New.
1922         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1923         when both operands are constants.  Use range_int_cst_p in
1924         BIT_IOR_EXPR case.
1925
1926 2010-04-26  Jan Hubicka  <jh@suse.cz>
1927
1928         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1929
1930 2010-04-26  Richard Guenther  <rguenther@suse.de>
1931
1932         PR lto/43080
1933         * gimple.c (gimple_decl_printable_name): Deal gracefully
1934         with a NULL DECL_NAME.
1935
1936 2010-04-26  Richard Guenther  <rguenther@suse.de>
1937
1938         PR lto/42425
1939         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1940         if emitting debug information and it is either a function
1941         or a namespace decl.
1942
1943 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1944
1945         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1946         determine if the statement is vectorizable, and a macro to access it.
1947         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1948         Skip statements that can't be vectorized. If the analysis fails,
1949         mark the statement as unvectorizable if vectorizing basic block.
1950         (vect_compute_data_refs_alignment): Likewise.
1951         (vect_verify_datarefs_alignment): Skip statements marked as
1952         unvectorizable. Add print.
1953         (vect_analyze_group_access): Skip statements that can't be
1954         vectorized. If the analysis fails, mark the statement as
1955         unvectorizable if vectorizing basic block.
1956         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1957         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1958         generated stmts for SLP.
1959         (new_stmt_vec_info): Initialize the new field.
1960         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1961         statements marked as unvectorizable.
1962
1963 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1964
1965         * c-common.c (flag_isoc1x): New.
1966         (flag_isoc99): Update comment.
1967         * c-common.h (flag_isoc1x): New.
1968         (flag_isoc99): Update comment.
1969         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1970         __<type>_DECIMAL_DIG__.
1971         * c-opts.c (set_std_c1x): New.
1972         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1973         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1974         * c.opt (-std=c1x, -std=gnu1x): New options.
1975         * doc/cpp.texi: Mention -std=c1x.
1976         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1977         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1978         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1979         * doc/standards.texi: Mention C1X.
1980         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1981         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1982         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1983         Define for C1X.
1984
1985 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1986
1987         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1988         placeholder from 0x%x to %#x.
1989         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1990         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1991         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1992         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1993         * config/i386/i386.c (ix86_target_string): Ditto.
1994         (output_pic_addr_const): Ditto.
1995         (print_operand): Ditto.
1996
1997 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1998
1999         * combine.c (find_split_point): Add third argument.  Use it
2000         to find nested multiply-accumulate instructions.  Adjust calls.
2001         (try_combine): Adjust call to find_split_point.
2002
2003 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2004
2005         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2006
2007 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2008
2009         PR tree-optimization/41442
2010         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2011         (fold_binary_loc): Call it.
2012
2013 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2014
2015         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2016         * opts.c (common_handle_option): Allow disabling it.
2017         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2018
2019 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2020
2021         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2022         between modes if both types are integral.
2023
2024 2010-04-23  Richard Guenther  <rguenther@suse.de>
2025
2026         PR tree-optimization/43572
2027         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2028
2029 2010-04-23  Richard Guenther  <rguenther@suse.de>
2030
2031         PR lto/43455
2032         * tree-inline.c (tree_can_inline_p): Also check compatibility
2033         of return types.
2034
2035 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2036
2037         PR tree-optimization/43846
2038         * tree-sra.c (struct access): New flag grp_assignment_read.
2039         (build_accesses_from_assign): Set grp_assignment_read.
2040         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2041         (enum mark_read_status): New type.
2042         (analyze_access_subtree): Propagate grp_assignment_read, create
2043         accesses also if both direct_read and root->grp_assignment_read.
2044
2045 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2046
2047         PR middle-end/43835
2048         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2049         function does not have type attributes.
2050
2051 2010-04-23  Richard Guenther  <rguenther@suse.de>
2052
2053         PR lto/42653
2054         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2055         of FUNCTION_DECLs.
2056
2057 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2058
2059         * sese.h (create_if_region_on_edge): Remove.
2060
2061         * sese.c (create_if_region_on_edge): Make static.
2062
2063         * tree-inline.c: Do not include ggc.h.
2064
2065         * expr.c: Do not include ggc.h.
2066
2067         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2068         dependencies.
2069
2070 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2071
2072         PR target/43744
2073         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2074         in the middle of insns for casesi_worker_2.
2075
2076 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2077
2078         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2079
2080 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2081
2082         PR tree-optimization/43842
2083         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2084         loop unrolling in update of exit phis. Fix comment.
2085         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2086         least two reduction statements in the loop before starting SLP
2087         analysis.
2088
2089 2010-04-22  Nick Clifton  <nickc@redhat.com>
2090
2091         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2092
2093 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2094
2095         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2096         to simplify a + ~a.
2097
2098 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2099
2100         * tree-parloops.c (loop_parallel_p): New argument
2101         parloop_obstack.  Pass it down.
2102         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2103         pass it down, free it.
2104
2105         * tree-loop-linear.c (linear_transform_loops): Pass down
2106         lambda_obstack.
2107
2108         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2109         of type struct obstack *.
2110
2111         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2112         scratch_obstack.  Initialize it, pass down, free it.
2113
2114         * lambda.h (lambda_loop_new): Remove.
2115         (lambda_matrix_new, lambda_matrix_inverse)
2116         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2117         argument of type struct obstack *.
2118
2119         * lambda-trans.c (lambda_trans_matrix_new): New argument
2120         lambda_obstack.  Pass it down, use obstack allocation for ret.
2121         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2122         it down.
2123
2124         * lambda-mat.c (lambda_matrix_get_column)
2125         (lambda_matrix_project_to_null): Remove.
2126         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2127         allocation for mat.
2128         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2129         lambda_obstack.
2130
2131         * lambda-code.c (lambda_loop_new): New function.
2132         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2133         (lambda_compute_auxillary_space, lambda_compute_target_space)
2134         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2135         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2136         (build_access_matrix): New argument lambda_obstack.  Use obstack
2137         allocation for am.
2138         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2139         argument lambda_obstack.  Pass it down.
2140
2141 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2142
2143         * optabs.h (expand_widening_mult): Declare.
2144
2145 2010-04-22  Richard Guenther  <rguenther@suse.de>
2146
2147         PR tree-optimization/43845
2148         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2149         lookup the CALL_EXPR function and arguments.
2150
2151 2010-04-22  Nick Clifton  <nickc@redhat.com>
2152
2153         * config/stormy16/stormy16.c
2154         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2155         * config/stormy16/stormy16.h: Tidy up formatting.
2156         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2157         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2158         (ineqbranchsi): Delete pattern.
2159         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2160         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2161         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2162         stormy16-lib2-ucmpsi2.c.
2163
2164 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2165
2166         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2167         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2168         extra set merge_set_noclobber, and use it to relax the final test
2169         slightly.
2170         * df.h (df_simulate_find_noclobber_defs): Declare.
2171         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2172         conditional defs.
2173         (df_simulate_find_noclobber_defs): New function.
2174
2175 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2176
2177         * config/i386/i386.md: Use {} around multi-line preparation statements.
2178
2179 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2180
2181         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2182         (process_init_element): New argument of type struct obstack *.
2183
2184         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2185         (set_init_index, set_init_label, set_nonincremental_init)
2186         (set_nonincremental_init_from_string, find_init_member)
2187         (output_init_element, output_pending_init_elements)
2188         (process_init_element): New argument braced_init_obstack.  Pass it
2189         down.
2190         (push_range_stack, add_pending_init): New argument
2191         braced_init_obstack.  Use obstack allocation.
2192
2193         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2194         braced_init_obstack.  Pass it down.
2195         (c_parser_braced_init): New variables ret, braced_init_obstack.
2196         Initialize obstack, pass it down and finally free it.
2197
2198 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2199
2200         PR middle-end/29274
2201         * tree-pass.h (pass_optimize_widening_mul): Declare.
2202         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2203         gate_optimize_widening_mul): New static functions.
2204         (pass_optimize_widening_mul): New.
2205         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2206         <case MULT_EXPR>: Remove support for widening multiplies.
2207         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2208         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2209         simplify_gen_unary rather than directly building extensions.
2210         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2211         WIDEN_MULT_EXPR.
2212         * expmed.c (expand_widening_mult): New function.
2213         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2214
2215 2010-04-21  Jan Hubicka  <jh@suse.cz>
2216
2217         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2218         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2219         * lto-wpa-fixup.c: Remove.
2220         * Makefile.in (lto-wpa-fixup.o): Remove.
2221         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2222         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2223         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2224
2225 2010-04-21  Jan Hubicka  <jh@suse.cz>
2226
2227         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2228         add write_optimization_summary, read_optimization_summary.
2229         (ipa_write_summaries_of_cgraph_node_set): Remove.
2230         (ipa_write_optimization_summaries): Declare.
2231         (ipa_read_optimization_summaries): Declare.
2232         * ipa-cp.c (pass_ipa_cp): Update.
2233         * ipa-reference.c (pass_ipa_reference): Update.
2234         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2235         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2236         Update.
2237         * ipa-inline.c (pass_ipa_inline): Update.
2238         * ipa.c (pass_ipa_whole_program): Update.
2239         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2240         * passes.c (ipa_write_summaries_1): Do not test wpa.
2241         (ipa_write_optimization_summaries_1): New.
2242         (ipa_write_optimization_summaries): New.
2243         (ipa_read_summaries): Do not test ltrans.
2244         (ipa_read_optimization_summaries_1): New.
2245         (ipa_read_optimization_summaries): New.
2246
2247 2010-04-21  Jan Hubicka  <jh@suse.cz>
2248
2249         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2250         for boundary nodes.
2251         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2252
2253 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2254
2255         PR debug/40040
2256         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2257         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2258
2259 2010-04-21  Jan Hubicka  <jh@suse.cz>
2260
2261         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2262
2263 2010-04-21  Jan Hubicka  <jh@suse.cz>
2264
2265         * varpool.c (decide_is_variable_needed): Variable is always needed
2266         during ltrans.
2267
2268 2010-04-21  Jan Hubicka  <jh@suse.cz>
2269
2270         * opts.c (decode_options): Enable pure-const pass for whopr.
2271
2272 2010-04-21  Jan Hubicka  <jh@suse.cz>
2273
2274         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2275         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2276         at WPA dumping.
2277         (cgraph_decide_inlining): Do not expect callee to be removed in all
2278         cases.
2279
2280 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2281
2282         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2283
2284 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2285
2286         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2287         amdfam10_decode attributes.
2288
2289 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2290
2291         PR middle-end/43570
2292         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2293         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2294         (lower_copyprivate_clauses): Use private var in outer
2295         context instead of original var.  Make sure the types
2296         are correct for VLAs.
2297
2298 2010-04-21  Richard Guenther  <rguenther@suse.de>
2299
2300         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2301         to non-pointer objects.
2302
2303 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2304
2305         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2306         last chain entry if it starts with the still current label.
2307         (add_location_or_const_value_attribute): Check that
2308         loc_list->first->next is NULL instead of comparing ->first with ->last.
2309         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2310         to add_var_loc_to_decl.
2311
2312         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2313         >= 4 add also address size and segment size fields into CIE header.
2314
2315         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2316         long as address size is the same as sizeof (void *) and
2317         segment size is 0.
2318         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2319         address size or segment size is unexpected, return DW_EH_PE_omit.
2320         (classify_object_over_fdes): If get_cie_encoding returned
2321         DW_EH_PE_omit, return -1.
2322         (init_object): If classify_object_over_fdes returned -1,
2323         pretend there were no FDEs at all.
2324
2325 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2326
2327         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2328         bswap{si,di}2 using SWI48 mode iterator.
2329         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2330         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2331         set modrm attribute of bswap insn to 0 and remove length attribute.
2332         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2333         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2334         set mode attribute to <MODE> and remove length attribute.
2335
2336 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2337
2338         PR rtl-optimization/43520
2339         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2340         zero available registers.
2341
2342 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2343
2344         * builtins.c (fold_builtin_cproj): Fold more cases.
2345
2346 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2347
2348         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2349         (fold_builtin_1): Fold builtin cproj.
2350         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2351         Use ATTR_CONST_NOTHROW_LIST.
2352
2353 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2354
2355         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2356         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2357         ffsi2_no_cmove for !TARGET_CMOVE.
2358         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2359         (ffssi2): Remove expander.
2360         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2361         mode iterator.
2362         (ctz<mode>2): Ditto from ctz{si,di}2.
2363         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2364         mode iterator.
2365         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2366         mode iterator.
2367
2368 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2369
2370         * dwarf2out.c (AT_linkage_name): Define.
2371         (clone_as_declaration): Handle DW_AT_linkage_name.
2372         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2373         of DW_AT_MIPS_linkage_name.
2374         (move_linkage_attr): Likewise.
2375         (dwarf2out_finish): Likewise.
2376
2377 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2378
2379         PR middle-end/41952
2380         * fold-const.c (fold_comparison): New folding rule.
2381
2382 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2383
2384         * double-int.h (double_int_setbit): Declare.
2385         * double-int.c (double_int_setbit): New function.
2386         * rtl.h (immed_double_int_const): Declare.
2387         * emit-rtl.c (immed_double_int_const): New function.
2388         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2389         and immed_double_int_const functions.
2390         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2391         expand_copysign_bit):  (Ditto.).
2392         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2393         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2394         * dojump.c (prefer_and_bit_test): (Ditto.).
2395         * expr.c (convert_modes, reduce_to_bit_field_precision,
2396         const_vector_from_tree): (Ditto.).
2397         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2398
2399 2010-04-20  Jan Hubicka  <jh@suse.cz>
2400
2401         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2402         (dump_cgraph_node): Dump new flags.
2403         * cgraph.h (struct cgraph_node): Add flags
2404         reachable_from_other_partition and in_other_partition.
2405         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2406         other partition can not be removed.
2407         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2408         the other partition must be output; silence sanity checking on
2409         leaking functions bodies from other paritition.
2410         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2411         (lto_output_node): Output new flags; do not sanity check that inline
2412         clones are output; drop lto_forced_extern_inline_p code; do not mock
2413         visibility flags at partition boundaries.
2414         (add_node_to): New function.
2415         (output_cgraph): Use it to sort functions so masters appear before
2416         clones.
2417         (input_overwrite_node): Input new flags.
2418         * passes.c (ipa_write_summaries): Do not call
2419         lto_new_extern_inline_states.
2420         * lto-section-out.c (forced_extern_inline,
2421         lto_new_extern_inline_states lto_delete_extern_inline_states,
2422         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2423         * lto-streamer.h (lto_new_extern_inline_states,
2424         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2425         lto_forced_extern_inline_p): Kill.
2426
2427 2010-04-20  Richard Guenther  <rguenther@suse.de>
2428
2429         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2430         from vars that can have pointers.
2431         (process_constraint): Dump useless constraints.
2432
2433 2010-04-20  Richard Guenther  <rguenther@suse.de>
2434
2435         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2436         (dump_sa_points_to_info): Remove asserts.
2437         (init_base_vars): nothing_id isn't an escape point nor does it
2438         have pointers.
2439
2440 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2441
2442         * tree.h (TYPE_REF_IS_RVALUE): Define.
2443         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2444         should_move_die_to_comdat, prune_unused_types_walk): Handle
2445         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2446         (modified_type_die, gen_reference_type_die): Emit
2447         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2448         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2449
2450 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2451
2452         PR target/43635
2453         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2454         calls for -fpic -m31 if they have been sibcall optimized.
2455
2456 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2457
2458         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2459         ar.lc fixed and call-used.
2460
2461         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2462
2463 2010-04-19  Jan Hubicka  <jh@suse.cz>
2464
2465         * opts.c (decode_options): Disable whpr incompatible passes.
2466         * lto/lto.c (lto_1_to_1_map): Skip clones.
2467         (read_cgraph_and_symbols): Do not mark everything as needed.
2468         (do_whole_program_analysis): Do map only after optimizing;
2469         set proper cgraph_state; use passmanager.
2470
2471 2010-04-19  DJ Delorie  <dj@redhat.com>
2472
2473         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2474         POINTER_PLUS_EXPR and fix them.
2475
2476 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2477
2478         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2479         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2480         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2481         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2482         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2483         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2484         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2485         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2486         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2487         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2488         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2489
2490 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2491
2492         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2493         (check_cond_move_block): Likewise.
2494         (cond_move_process_if_block): Likewise.
2495         (noce_find_if_block): Improve formatting.
2496         (find_if_header): Pass 0 to memset and tweak conditions.
2497         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2498
2499 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2500
2501         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2502         for -gdwarf-4.
2503
2504         PR middle-end/43337
2505         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2506         with non-local decl doesn't need chain.
2507
2508 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2509
2510         * ira-color.c (allocno_reload_assign): Avoid accumulating
2511         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2512
2513 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2514
2515         * gimple.h (create_tmp_reg): Declare.
2516         * gimplify.c (create_tmp_reg): New function.
2517         (gimplify_return_expr): Use create_tmp_reg.
2518         (gimplify_omp_atomic): Likewise.
2519         (gimple_regimplify_operands): Likewise.
2520         * tree-dfa.c (make_rename_temp): Likewise.
2521         * tree-predcom.c (predcom_tmp_var): Likewise.
2522         (reassociate_to_the_same_stmt): Likewise.
2523         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2524         (get_replaced_param_substitute): Likewise.
2525         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2526         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2527         * tree-ssa-pre.c (get_representative_for): Likewise.
2528         (create_expression_by_pieces): Likewise.
2529         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2530         (create_tailcall_accumulator): Likewise.
2531
2532 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2533
2534         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2535         new_stmt.
2536         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2537
2538 2010-04-19  Richard Guenther  <rguenther@suse.de>
2539
2540         PR tree-optimization/43796
2541         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2542         from SCEV in the lattice.
2543         (vrp_visit_phi_node): Dump change.
2544
2545 2010-04-19  Richard Guenther  <rguenther@suse.de>
2546
2547         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2548         * configure: Re-generated.
2549
2550 2010-04-19  Richard Guenther  <rguenther@suse.de>
2551
2552         PR tree-optimization/43783
2553         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2554         constant ARRAY_REF operands two and three if possible.
2555
2556 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2557
2558         PR target/43766
2559         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2560
2561 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2562
2563         PR target/43662
2564         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2565
2566 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2567
2568         PR tree-optimization/37027
2569         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2570         and macro to access it.
2571         (vectorizable_reduction): Add argument.
2572         (vect_get_slp_defs): Likewise.
2573         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2574         statements for possible use in SLP.
2575         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2576         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2577         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2578         add new argument.
2579         (vectorizable_reduction): Likewise.
2580         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2581         vect_get_slp_defs.
2582         (vectorizable_type_demotion, vectorizable_type_promotion,
2583         vectorizable_store): Likewise.
2584         (vect_analyze_stmt): Update call to vectorizable_reduction.
2585         (vect_transform_stmt): Likewise.
2586         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2587         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2588         from different interleaving chains in same node.
2589         (vect_slp_rearrange_stmts): New function.
2590         (vect_supported_load_permutation_p): Allow load permutations for
2591         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2592         inside SLP nodes if necessary.
2593         (vect_analyze_slp_instance): Handle reductions.
2594         (vect_analyze_slp): Try to build SLP instances originating from groups
2595         of reductions.
2596         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2597         (vect_get_constant_vectors): Create initial vectors for reductions
2598         according to reduction code. Add new argument.
2599         (vect_get_slp_defs): Add new argument, pass it to
2600         vect_get_constant_vectors.
2601         (vect_schedule_slp_instance): Remove SLP tree root statements.
2602
2603 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2604
2605         * tree.h (ENUM_IS_SCOPED): Define.
2606         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2607         for ENUM_IS_SCOPED enums.
2608
2609 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2610
2611         * fold-const.c (fold_comparison): Use ssizetype.
2612         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2613         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2614         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2615         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2616
2617         * tree.h (initialize_sizetypes): Remove parameter.
2618         (build_common_tree_nodes): Remove second parameter.
2619         * stor-layout.c (initialize_sizetypes): Remove parameter.
2620         Always create an unsigned type.
2621         (set_sizetype): Assert that the passed type is unsigned and simplify.
2622         * tree.c (build_common_tree_nodes): Remove second parameter.
2623         Adjust call to initialize_sizetypes.
2624         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2625         build_common_tree_nodes.
2626
2627 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2628
2629         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2630
2631 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2632
2633         PR tree-optimization/43771
2634         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2635         load permutation doesn't have gaps.
2636
2637 2010-04-18  Jan Hubicka  <jh@suse.cz>
2638
2639         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2640         (sse_prologue_save_insn expander): Use new pattern.
2641         (sse_prologue_save_insn1): New pattern and splitter.
2642         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2643         blocks.
2644         * i386.c (setup_incoming_varargs_64): Do not compute jump
2645         destination here.
2646         (ix86_gimplify_va_arg): Update alignment needed.
2647         (ix86_local_alignment): Do not align all local arrays to 128bit.
2648
2649 2010-04-17  Jan Hubicka  <jh@suse.cz>
2650
2651         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2652
2653 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2654
2655         * arm.md (negdi2): Remove redundant code to force values into a
2656         register.
2657
2658 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2659
2660         * arm/bpabi.S: Add EABI alignment attributes to objects.
2661         * arm/bpabi-v6m.S: Likewise.
2662         * arm/crti.asm: Likewise.
2663         * arm/crtn.asm: Likewise.
2664         * arm/lib1funcs.asm: Likewise.
2665         * arm/libunwind.S: Likewise.
2666
2667 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2668
2669         * arm-protos.h (tune_params): New structure.
2670         * arm.c (current_tune): New variable.
2671         (arm_constant_limit): Delete.
2672         (struct processors): Add pointer to the tune parameters.
2673         (arm_slowmul_tune): New tuning option.
2674         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2675         (all_cores): Adjust to pick up the tuning model.
2676         (arm_constant_limit): New function.
2677         (arm_override_options): Select the appropriate tuning model.  Delete
2678         initialization of arm_const_limit.
2679         (arm_split_constant): Use the new constant-limit model.
2680         (arm_rtx_costs): Pick up the current tuning model.
2681         * arm.md (is_strongarm, is_xscale): Delete.
2682         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2683         for Xscale variant architectures.
2684         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2685
2686 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2687
2688         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2689         can_shift.
2690         (arm_rtx_costs_1): Remove unused variable extra_cost.
2691         (arm_unwind_emit_set): Use variable offset.
2692         (thumb1_output_casesi): Remove unused variable flags.
2693
2694 2010-04-16  Jeff Law  <law@redhat.com>
2695
2696         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2697         needing assignment rather than doing a two-phase assignment.  Remove
2698         unused variable 'm'.
2699
2700 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2701
2702         PR bootstrap/43767
2703         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2704
2705 2010-04-16  Doug Kwan  <dougkwan@google.com>
2706
2707         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2708         (next_operand_entry_id): New static variable.
2709         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2710         (add_to_ops_vec): Assigned unique ID to operand entry.
2711         (struct oecount_s): New field ID.
2712         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2713         (undistribute_ops_list): Assign unique IDs to oecounts.
2714         (init_reassoc): reset next_operand_entry_id.
2715
2716 2010-04-16  Doug Kwan  <dougkwan@google.com>
2717
2718         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2719         missing left parenthesis.
2720
2721 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2722
2723         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2724         *btdi_rex64 using SWI48 mode iterator.
2725         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2726         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2727         *jcc_btdi_mask_rex64.
2728
2729 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2730
2731         * double-int.h (tree_to_double_int): Convert to macro.
2732         * double-int.c (tree_to_double_int): Remove.
2733
2734 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2735
2736         PR debug/43762
2737         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2738         with want_address 2 and in case a single element list might be
2739         possible, call it again with want_address 0.
2740
2741 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2742
2743         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2744         case 'W' print operands for HI mode.
2745         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2746         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2747         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2748         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2749
2750         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2751
2752         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2753         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2754         #xx:3 and #xx:4 mode.
2755
2756         * config/h8300/h8300.md (inverted load with HImode dest): Add
2757         support for H8300SX.
2758
2759         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2760         satisfy 'U' constraint.
2761
2762 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2763
2764         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2765         * configure: Regenerate.
2766         * config.in: Regenerate.
2767         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2768         works.
2769
2770 2010-04-16  Richard Guenther  <rguenther@suse.de>
2771
2772         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2773         (struct tree_decl_common): ... here.
2774         (DECL_PT_UID): Adjust.
2775         (SET_DECL_PT_UID): Likewise.
2776         (DECL_PT_UID_SET_P): Likewise.
2777
2778 2010-04-16  Richard Guenther  <rguenther@suse.de>
2779
2780         PR tree-optimization/43572
2781         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2782         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2783         * tree-flow.h (is_call_clobbered): Remove.
2784         * tree-flow-inline.h (is_call_clobbered): Likewise.
2785         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2786         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2787         (execute_return_slot_opt): Adjust.
2788         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2789         check for call clobbered vars here.
2790         (find_tail_calls): Move tailcall verification to the
2791         proper place.
2792
2793 2010-04-16  Diego Novillo  <dnovillo@google.com>
2794
2795         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2796
2797 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2798
2799         PR target/40603
2800         * config/arm/arm.md (cbranchqi4): New pattern.
2801         * config/arm/predicates.md (const0_operand,
2802         cbranchqi4_comparison_operator): New predicates.
2803
2804 2010-04-16  Richard Guenther  <rguenther@suse.de>
2805
2806         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2807         (dump_gimple_stmt): Likewise.
2808
2809 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2810
2811         * recog.h (struct recog_data): New field is_operator.
2812         (struct insn_operand_data): New field is_operator.
2813         * recog.c (extract_insn): Set recog_data.is_operator.
2814         * genoutput.c (output_operand_data): Emit code to set the
2815         is_operator field.
2816         * reload.c (find_reloads): Use it rather than testing for an
2817         empty constraint string.
2818
2819         PR target/41514
2820         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2821         If the previous insn is a cbranchsi4_insn with the same arguments,
2822         omit the compare instruction.
2823
2824         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2825         register, inputs must be low registers and we need a low register
2826         scratch.  Handle alternative 2 like alternative 3.
2827
2828 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2829
2830         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2831         don't call get_addr on both.  If one expression is a VALUE and
2832         the other a REG, check VALUE's locs if the REG isn't among them.
2833
2834 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2835
2836         * config/sh/sh.h (sh_frame_pointer_required): New function.
2837         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2838         (flag_omit_frame_pointer) Set.
2839         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2840         (rounded_frame_size): Adjust size with outgoing_args_size.
2841         (sh_set_return_address): Must return from stack pointer.
2842         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2843         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2844         (ACCUMULATE_OUTGOING_ARGS): Define.
2845         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2846         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2847
2848 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2849
2850         PR target/43471
2851         * config/sh/sh.c (sh_legitimize_reload_address): Use
2852         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2853         Remove a unneeded check for offset_base.
2854
2855 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2856
2857         * configure: Regenerated.
2858
2859 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2860
2861         * config/s390/s390.c (s390_call_save_register_used): Switch back
2862         to HARD_REGNO_NREGS.
2863
2864 2010-04-15  Richard Guenther  <rguenther@suse.de>
2865
2866         * alias.c (alias_set_subset_of): Handle alias-set zero
2867         child properly.
2868
2869 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2870             Julian Brown  <julian@codesourcery.com>
2871
2872         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2873         alternatives according to use of high and low regs.
2874         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2875         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2876         optimizing for size on Thumb-2.
2877
2878 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2879
2880         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2881
2882 2010-04-15  Richard Guenther  <rguenther@suse.de>
2883
2884         * tree-ssa-structalias.c (struct variable_info): Add
2885         is_fn_info flag.
2886         (new_var_info): Initialize it.
2887         (dump_constraints): Support printing last added constraints.
2888         (debug_constraints): Adjust.
2889         (dump_constraint_graph): Likewise.
2890         (make_heapvar_for): Check for NULL cfun.
2891         (get_function_part_constraint): New function.
2892         (get_fi_for_callee): Likewise.
2893         (find_func_aliases): Properly implement IPA PTA constraints.
2894         (process_ipa_clobber): New function.
2895         (find_func_clobbers): Likewise.
2896         (insert_into_field_list_sorted): Remove.
2897         (create_function_info_for): Properly allocate vars for IPA mode.
2898         Do not use insert_into_field_list_sorted.
2899         (create_variable_info_for): Properly generate constraints for
2900         global vars in IPA mode.
2901         (dump_solution_for_var): Always dump the solution.
2902         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2903         (find_what_var_points_to): Adjust.
2904         (pt_solution_set): Change.
2905         (pt_solution_ior_into): New function.
2906         (pt_solution_empty_p): Export.
2907         (pt_solution_includes_global): Adjust.
2908         (pt_solution_includes_1): Likewise.
2909         (pt_solutions_intersect_1): Likewise.
2910         (dump_sa_points_to_info): Check some invariants.
2911         (solve_constraints): Move constraint dumping ...
2912         (compute_points_to_sets): ... here.
2913         (ipa_pta_execute): ... and here.
2914         (compute_may_aliases): Do not re-compute points-to info
2915         locally if IPA info is available.
2916         (ipa_escaped_pt): New global var.
2917         (ipa_pta_execute): Properly implement IPA PTA.
2918         * tree-into-ssa.c (dump_decl_set): Support dumping
2919         decls not in referenced-vars.
2920         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2921         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2922         (dump_points_to_solution): Likewise.
2923         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2924         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2925         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2926         (copy_decl_to_var): Copy DECL_PT_UID.
2927         (copy_result_decl_to_var): Likewise.
2928         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2929         (copy_node_stat): Copy it.
2930         * tree.h (DECL_PT_UID): New macro.
2931         (SET_DECL_PT_UID): Likewise.
2932         (DECL_PT_UID_SET_P): Likewise.
2933         (struct tree_decl_minimal): Add pt_uid member.
2934         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2935         (pt_solution_empty_p): Declare.
2936         (pt_solution_set): Adjust.
2937         (ipa_escaped_pt): Declare.
2938         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2939         * gimple-pretty-print.c (pp_points_to_solution): New function.
2940         (dump_gimple_call): Dump call clobber/use information.
2941         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2942         * tree-pass.h (TDF_ALIAS): New dump option.
2943         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2944         * doc/invoke.texi (-fipa-pta): Update documentation.
2945
2946 2010-04-15  Richard Guenther  <rguenther@suse.de>
2947
2948         * Makefile.in (OBJS-common): Add gimple-fold.o.
2949         (gimple-fold.o): New rule.
2950         * tree.h (maybe_fold_offset_to_reference,
2951         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2952         prototypes ...
2953         * gimple.h: ... here.
2954         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2955         may_propagate_address_into_dereference): Move prototypes ...
2956         * gimple.h: ... here.
2957         * tree-ssa-ccp.c (get_symbol_constant_value,
2958         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2959         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2960         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2961         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2962         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2963         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2964         gimplify_and_update_call_from_tree): Move ...
2965         * gimple-fold.c: ... here.  New file.
2966         (ccp_fold_builtin): Rename to ...
2967         (gimple_fold_builtin): ... this.
2968         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2969
2970 2010-04-15  Richard Guenther  <rguenther@suse.de>
2971
2972         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2973         fit_double_type, force_fit_type_double, add_double_with_sign,
2974         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2975         lrotate_double, rrotate_double, div_and_round_double): Move ...
2976         * double-int.c: ... here.
2977         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2978         add_double, neg_double, mul_double_with_sign, mul_double,
2979         lshift_double, rshift_double, lrotate_double, rrotate_double,
2980         div_and_round_double): Move prototypes ...
2981         * double-int.h: ... here.
2982
2983 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2984
2985         PR target/43742
2986         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2987         matching constraints to ensure inputs match the output.
2988
2989 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2990
2991         PR target/43742
2992         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2993         in an input-only operand.
2994
2995 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2996
2997         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2998         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2999         (double_int_negative_p): Convert to static inline function.
3000         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3001         (double_int_negative_p): Remove.
3002         * tree.h (lshift_double, rshift_double):
3003         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3004         * fold-const.c (fold_convert_const_int_from_real,
3005         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3006         (lshift_double): Change type of arith argument to bool.
3007         (rshift_double): Change type of arith argument to bool. Correct
3008         comment.
3009         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3010
3011 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3012
3013         PR target/21803
3014         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3015         at the start and end of the then/else blocks, and omit them from the
3016         conversion.
3017         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3018         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3019         (flow_find_head_matching_sequence): New function.
3020         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3021         * basic-block.h (flow_find_cross_jump,
3022         flow_find_head_matching_sequence): Declare functions.
3023
3024 2010-04-14  Jason Merrill  <jason@redhat.com>
3025
3026         PR c++/36625
3027         * c-common.c (attribute_takes_identifier_p): New fn.
3028         * c-common.h: Declare it.
3029
3030 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3031
3032         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3033         splitter condition.
3034         (*udivmod<mode>4): Ditto.
3035
3036 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3037
3038         * config/i386/i386.md (maxmin_int): Rename code attribute from
3039         maxminiprefix and update all users.
3040         (maxmin_float): Ditto from maxminfprefix.
3041         (logic): Ditto from logicprefix.
3042         (absneg_mnemonic): Ditto from absnegprefix.
3043         * config/i386/mmx.md: Update all users of maxminiprefix,
3044         maxminfprefix and logicprefix for rename.
3045         * config/i386/sse.md: Ditto.
3046         * config/i386/sync.md (sync_<code><mode>): Update for
3047         logicprefix rename.
3048
3049 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3050
3051         PR 42966
3052         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3053         warnings converted to errors.
3054
3055 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3056
3057         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3058         used insn_type variable.
3059         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3060         to avoid set-but-not-used warning.
3061
3062 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3063
3064         * df-core.c (df_ref_debug): Change format string placeholder
3065         from 0x%x to %#x.
3066         * dwarf2asm.c (dw2_asm_output_data_raw,
3067         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3068         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3069         * dwarf2out.c (output_cfi, output_cfi_directive,
3070         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3071         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3072         Ditto.
3073         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3074         * print-rtl.c (print_rtx): Ditto.
3075
3076 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3077
3078         PR middle-end/42694
3079         * builtins.c (expand_builtin_pow_root): New function to expand pow
3080         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3081         series of sqrt and cbrt calls under -ffast-math.
3082         (expand_builtin_pow): Call it.
3083
3084 2010-04-14  Michael Matz  <matz@suse.de>
3085
3086         PR tree-optimization/42963
3087         * tree-cfg.c (touched_switch_bbs): New static variable.
3088         (group_case_labels_stmt): New function broken out from ...
3089         (group_case_labels): ... here, use the above.
3090         (start_recording_case_labels): Allocate touched_switch_bbs.
3091         (end_recording_case_labels): Deallocate it, call
3092         group_case_labels_stmt.
3093         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3094
3095 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3096
3097         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3098         from insn template.
3099
3100 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3101
3102         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3103
3104 2010-04-13  Jan Hubicka  <jh@suse.cz>
3105
3106         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3107         of optimized out static functions.
3108         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3109         cost computation.  Also sanity check for overflows.
3110         (update_caller_keys): Update cgraph_edge_badness call; properly
3111         update fibheap and sanity check that it is up to date.
3112         (add_new_edges_to_heap): Update cgraph_edge_badness.
3113         (cgraph_decide_inlining_of_small_function): Likewise;
3114         add sanity checking that badness in heap is up to date;
3115         improve dumping of reason; Update badness of calls to the
3116         offline copy of function currently inlined; dump badness
3117         of functions not inlined because of unit growth limits.
3118
3119 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3120
3121         PR middle-end/32628
3122         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3123         because of sign-extension change when converting to sizetype here...
3124         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3125
3126         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3127         the folding to constants.  Remove redundant final conversion.
3128         (fold_binary) <associate>: Do not associate if the re-association of
3129         constants alone overflows.
3130         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3131         to the end of the list.
3132         (multiple_of_p) <COND_EXPR>: New case.
3133
3134 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3135
3136         * opt-functions.awk (opt_sanitized_name): New.
3137         (opt_enum): New.
3138         * optc-gen.awk: Use it
3139         * opth-gen.awk: Use it.
3140
3141 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3142
3143         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3144         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3145         children.  Call replace_uses_with_default_def_ssa_name to handle
3146         SSA_NAES on lhs.
3147
3148 2010-04-13  Michael Matz  <matz@suse.de>
3149
3150         PR middle-end/43730
3151         * builtins.c (expand_builtin_interclass_mathfn): Also create
3152         a register if the predicate doesn't match.
3153
3154 2010-04-13  Diego Novillo  <dnovillo@google.com>
3155
3156         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3157         * c-pch.c: Include timevar.h.
3158         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3159         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3160         * ggc-common.c: Include timevar.h.
3161         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3162         * timevar.def (TV_PCH_SAVE): Define.
3163         (TV_PCH_CPP_SAVE): Define.
3164         (TV_PCH_PTR_REALLOC): Define.
3165         (TV_PCH_PTR_SORT): Define.
3166         (TV_PCH_RESTORE): Define.
3167         (TV_PCH_CPP_RESTORE): Define.
3168
3169 2010-04-13  Michael Matz  <matz@suse.de>
3170
3171         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3172         into MINUS_EXPRs.
3173         (can_reassociate_p): New function.
3174         (break_up_subtract_bb, reassociate_bb): Use it.
3175
3176 2010-04-13  Richard Guenther  <rguenther@suse.de>
3177
3178         PR bootstrap/43737
3179         * builtins.c (c_readstr): Fix assert.
3180
3181 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3182
3183         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3184         when generating cltd insn.
3185
3186         (*ashl<mode>3_1): Remove special handling for register operand 2.
3187         (*ashlsi3_1_zext): Ditto.
3188         (*ashlhi3_1): Ditto.
3189         (*ashlhi3_1_lea): Ditto.
3190         (*ashlqi3_1): Ditto.
3191         (*ashlqi3_1_lea): Ditto.
3192         (*<shiftrt_insn><mode>3_1): Ditto.
3193         (*<shiftrt_insn>si3_1_zext): Ditto.
3194         (*<shiftrt_insn>qi3_1_slp): Ditto.
3195         (*<rotate_insn><mode>3_1): Ditto.
3196         (*<rotate_insn>si3_1_zext): Ditto.
3197         (*<rotate_insn>qi3_1_slp): Ditto.
3198
3199 2010-04-13  Richard Guenther  <rguenther@suse.de>
3200
3201         * tree-ssa-structalias.c (callused_id): Remove.
3202         (call_stmt_vars): New.
3203         (get_call_vi): Likewise.
3204         (lookup_call_use_vi): Likewise.
3205         (lookup_call_clobber_vi): Likewise.
3206         (get_call_use_vi): Likewise.
3207         (get_call_clobber_vi): Likewise.
3208         (make_transitive_closure_constraints): Likewise.
3209         (handle_const_call): Adjust to do per-call call-used handling.
3210         (handle_pure_call): Likewise.
3211         (find_what_var_points_to): Remove general callused handling.
3212         (init_base_vars): Likewise.
3213         (init_alias_vars): Initialize call_stmt_vars.
3214         (compute_points_to_sets): Process call-used and call-clobbered
3215         vars for call statements.
3216         (delete_points_to_sets): Free call_stmt_vars.
3217
3218 2010-04-13  Richard Guenther  <rguenther@suse.de>
3219
3220         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3221         Only add RW dependence for dependence distance zero.
3222         Adjust maximal vectorization factor according to dependences.
3223         Move alignment handling ...
3224         (vect_find_same_alignment_drs): ... here.  New function.
3225         (vect_analyze_data_ref_dependences): Adjust.
3226         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3227         (vect_analyze_data_refs): Adjust minimal vectorization factor
3228         according to data references.
3229         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3230         dependences before determining the vectorization factor.
3231         Analyze alignment after determining the vectorization factor.
3232         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3233         dependences before alignment.
3234         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3235         Adjust prototype.
3236         (vect_analyze_data_refs): Likewise.
3237         (MAX_VECTORIZATION_FACTOR): New define.
3238
3239 2010-04-13  Duncan Sands  <baldrick@free.fr>
3240
3241         * except.h (lang_eh_type_covers): Remove.
3242         * except.c (lang_eh_type_covers): Likewise.
3243
3244 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3245             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3246
3247         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3248         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3249         UNITS_PER_LONG where it is ABI relevant.
3250         (s390_return_addr_rtx): Likewise.
3251         (s390_back_chain_rtx): Likewise.
3252         (s390_frame_area): Likewise.
3253         (s390_frame_info): Likewise.
3254         (s390_initial_elimination_offset): Likewise.
3255         (save_gprs): Likewise.
3256         (s390_emit_prologue): Likewise.
3257         (s390_emit_epilogue): Likewise.
3258         (s390_function_arg_advance): Likewise.
3259         (s390_function_arg): Likewise.
3260         (s390_va_start): Likewise.
3261         (s390_gimplify_va_arg): Likewise.
3262         (s390_function_profiler): Likewise.
3263         (s390_optimize_prologue): Likewise.
3264         (s390_rtx_costs): Likewise.
3265         (s390_secondary_reload): Likewise.
3266         (s390_promote_function_mode): Likewise.
3267         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3268         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3269         registers available.
3270         (s390_unwind_word_mode): New function.
3271         (s390_function_value): Split 64 bit values into register pair if
3272         used as return value.
3273         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3274         function call parameters.  Handle parallels.
3275         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3276         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3277         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3278         (s390_expand_setmem): Remove unused variable src_addr.
3279         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3280         deal with 64 bit registers.
3281         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3282         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3283         (UNITS_PER_LONG): New macro.
3284         * libjava/include/s390-signal.h: Define extended ucontext
3285         structure containing the upper halfs of the 64 bit registers.
3286
3287 2010-04-13  Simon Baldwin  <simonb@google.com>
3288
3289         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3290
3291 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3292
3293         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3294         rvalue on the RHS if the LHS is of a non-renamable type.
3295         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3296
3297 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3298
3299         * gcc.c (cc1_options): Handle -iplugindir before processing
3300         the cc1 spec. Only add -iplugindir once.
3301         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3302         found.
3303         * common.opt (iplugindir): Remove `Separate' property, initialize.
3304         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3305         option.
3306         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3307         (distclean): Remove plugin dir.
3308         * doc/invoke.texi: Document -iplugindir.
3309
3310 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3311
3312         * doc/plugins.texi (Loading Plugins): Document short
3313         -fplugin=foo option.
3314         (Plugin API): Mention default_plugin_dir_name function.
3315
3316         * gcc.c (find_file_spec_function): Add new declaration.
3317         (static_spec_func): Use it for "find-file".
3318         (find_file_spec_function): Add new function.
3319         (cc1_options): Add -iplugindir option if -fplugin* options found.
3320
3321         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3322
3323         * plugin.c (add_new_plugin): Updated comment, and handle short
3324         plugin name.
3325         (default_plugin_dir_name): Added new function.
3326
3327         * common.opt (iplugindir): New option to set the plugin directory.
3328
3329 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3330
3331         * config/i386/i386.md (any_rotate): New code iterator.
3332         (rotate_insn): New code attribute.
3333         (rotate): Ditto.
3334         (SWIM124): New mode iterator.
3335         (<rotate_insn>ti3): New expander.
3336         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3337         any_rotate code iterator.
3338         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3339         using any_rotate code iterator and SWIM124 mode iterator.
3340         (ix86_rotlti3): New insn_and_split pattern.
3341         (ix86_rotrti3): Ditto.
3342         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3343         ix86_rotl{di,ti}3 patterns.
3344         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3345         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3346         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3347         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3348         code iterator and SWI mode iterator.
3349         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3350         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3351         code iterator.
3352         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3353         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3354         (bswap rotatert splitter): Add splitter.
3355         (bswap splitter): Macroize splitter using any_rotate code iterator.
3356         Add insn predicate to split only for TARGET_USE_XCHGB or when
3357         optimizing function for size.
3358
3359 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3360
3361         * config/pa/pa.c (emit_move_sequence): Remove use of
3362         deleted variable flag_argument_noalias.
3363
3364 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3365
3366         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3367         configurations.
3368         Add to unsupported targets list.
3369         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3370         sparc*-sun-solaris2.[567]* from target lists.
3371         * configure: Regenerate.
3372         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3373         removal.
3374         Remove Solaris 7 patch references.
3375         (Specific, sparc-sun-solaris2.7): Removed.
3376         (sparc-sun-solaris2*): Update Solaris 7 example.
3377         (sparc64-*-solaris2*): Likewise.
3378
3379 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3380
3381         * config.build (alpha*-dec-osf4*): Remove.
3382         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3383         of obsolete configurations.
3384         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3385         support.
3386         * config/alpha/t-osf4: Renamed to ...
3387         * config/alpha/t-osf5: ... this.
3388         * config/alpha/osf.h: Renamed to ...
3389         * config/alpha/osf5.h: ... this.
3390         Merged old osf5.h contents.
3391         Update comments.
3392         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3393         (EXTRA_SPECS): Removed.
3394         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3395         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3396         Document that.
3397
3398 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3399
3400         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3401
3402 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3403
3404         PR/43702
3405         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3406         __thiscall convention.
3407
3408 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3409
3410         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3411         orig_base.
3412         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3413
3414 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3415
3416         * function.c (assign_parms_initialize_all): Add unused attribute
3417         to fntype.
3418
3419 2010-04-12  Richard Guenther  <rguenther@suse.de>
3420
3421         * gsstruct.def (GSS_CALL): New.
3422         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3423         * gimple.h: Include tree-ssa-alias.h.
3424         (struct gimple_statement_call): New.
3425         (union gimple_statement_struct_d): Add gimple_call member.
3426         (gimple_call_reset_alias_info): Declare.
3427         (gimple_call_use_set): New function.
3428         (gimple_call_clobber_set): Likewise.
3429         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3430         * gimple.c (gimple_call_reset_alias_info): New function.
3431         (gimple_build_call_1): Call it.
3432         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3433         * tree-inline.c (remap_gimple_stmt): Likewise.
3434         (expand_call_inline): Remove callused handling.
3435         * cfgexpand.c