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* cgraph.h (struct varpool_node): Add aux.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-12  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.h (struct varpool_node): Add aux.
4         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
5         * varpool.c (varpool_remove_node): Do not remove initializer.
6         (varpool_reset_queue): Export.
7         (varpool_finalize_decl): Volatile vars are forced to be output.
8         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
9         replaced decl.
10         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
11         process_references, varpool_can_remove_if_no_refs): New functions.
12         (cgraph_remove_unreachable_nodes): Handle variables too.
13
14 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
15
16         PR target/44088
17         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
18
19 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
20
21         PR middle-end/44085
22         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
23         change value of ORT_TASK.
24         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
25         (omp_notice_threadprivate_variable): New function.
26         (omp_notice_variable): Call it for threadprivate variables.
27         If enclosing ctx is a task, print enclosing task rather than
28         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
29         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
30         if task has untied clause.
31
32         PR debug/42278
33         * dwarf2out.c (base_type_die): Don't add name attribute here.
34         (modified_type_die): Instead of sizetype use
35         its underlying original type.  If a DW_TAG_base_type doesn't
36         have name added, add __unknown__.
37         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
38         always call force_type_die instead.
39
40 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
41
42         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
43         for __stack_chk_guard.
44
45 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
46
47         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
48         don't call start_source_file debug hook here...
49         (finish_options): ... but here, after outputting predefined and
50         command line defines and undefs.
51
52         PR middle-end/44071
53         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
54         no fallthru edge.
55         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
56         optimizing away empty bb with no successors, move over its
57         footer chain to fallthru predecessor.
58         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
59         (rtl_split_edge): For asm goto call patch_jump_insn even if
60         splitting fallthru edge.
61
62         PR c++/44059
63         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
64         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
65         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
66         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
67         on DW.ref.* decls.
68
69         PR c++/44062
70         * c-parser.c (c_parser_expression): Mark LHS of a comma
71         expression as read if it is a decl, handled component or
72         COMPOUND_EXPR with that on the RHS.
73         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
74         if it is a decl or handled component.
75
76 2010-05-11  Jan Hubicka  <jh@suse.cz>
77
78         * lto-symtab.c (lto_symtab_free): New function.
79         * lto-streamer.h (lto_symtab_free): Declare.
80
81 2010-05-11  Jan Hubicka  <jh@suse.cz>
82
83         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
84         that if function is needed it is reachable.
85         (lto_output_node): See if it the function is reachable or referenced.
86         (output_cgraph): Update call of lto_output_node.
87         * lto-streamer.h (reachable_from_other_partition_p): Declare.
88
89 2010-05-11  Jan Hubicka  <jh@suse.cz>
90
91         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
92         Mark as used.
93
94 2010-05-11  Jan Hubicka  <jh@suse.cz>
95
96         PR tree-optimize/44063
97         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
98         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
99         limits.
100         (estimate_function_body_sizes): Compute sizes even when disregarding.
101
102 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
103
104         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
105
106 2010-05-11  Jan Hubicka  <jh@suse.cz>
107
108         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
109         into every boundary.
110
111 2010-05-11  Jan Hubicka  <jh@suse.cz>
112
113         * matrix-reorg.c (matrix_reorg): Rebuild edges.
114
115 2010-05-11  Jan Hubicka  <jh@suse.cz>
116
117         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
118         lto_streamer_cache_delete): Put nodes into heap.
119         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
120         heap.
121
122 2010-05-11  Jan Hubicka  <jh@suse.cz>
123
124         * cgraphbuild.c (cgraph_rebuild_references): New.
125         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
126         out extern inlines.
127         * cgraph.h (cgraph_rebuild_references): Declare.
128         * tree-inline.c (tree_function_versioning): Use it.
129         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
130
131 2010-05-11  Jan Hubicka  <jh@suse.cz>
132
133         * cgraph.c: Include ipa-utils.h
134         (cgraph_create_virtual_clone): Update references.
135         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
136
137 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
138
139         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
140         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
141         cache size.
142
143 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
144
145         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
146
147 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
148
149         * gcc.c (execute): For -### don't quote arguments that
150         contain just alphanumerics and _/-. characters.
151         * doc/invoke.texi: Document that change for -###.
152
153         PR debug/44023
154         * df-problems.c (struct dead_debug): Add to_rescan field.
155         (dead_debug_init): Clear to_rescan field.
156         (dead_debug_finish): Rescan all debug insns in to_rescan
157         bitmap and free the bitmap.
158         (dead_debug_insert_before): Instead of rescanning debug insns
159         immediately queue their rescanning until dead_debug_finish.
160         (df_note_bb_compute): After dead_debug_add do continue instead
161         of break.
162
163 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
164
165         PR debug/44028
166         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
167         clear also INSN_REG_USE_LIST.
168
169 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
170
171         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
172
173 2010-05-10  Jan Hubicka  <jh@suse.cz>
174
175         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
176
177 2010-05-10  Jan Hubicka  <jh@suse.cz>
178
179         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
180         encoders.
181         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
182         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
183         (lto_streamer_cache_create): Init alloc pool.
184         (lto_streamer_cache_delete): Free alloc pool.
185         * lto-streamer.h: Include alloc pool.
186         (lto_streamer_cache_d): Use alloc pool.
187         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
188
189 2010-05-10  Jan Hubicka  <jh@suse.cz>
190
191         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
192         * cgraphbuild.c: Include except.h
193         (record_type_list, record_eh_tables): New function.
194         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
195
196 2010-05-10  Jan Hubicka  <jh@suse.cz>
197
198         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
199         __frame_dummy_init_array_entry, force_to_data): Attribute as used
200         rather than unused.
201
202 2010-05-10  Michael Matz  <matz@suse.de>
203
204         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
205         (can_reassociate_p): Use FLOAT_TYPE_P.
206         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
207         (vect_force_simple_reduction): ... this.
208         * tree-parloops.c (gather_scalar_reductions): Use
209         vect_force_simple_reduction.
210         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
211         vect_is_simple_reduction, add modify argument, if true rewrite
212         "a-b" into "a+(-b)".
213         (vect_is_simple_reduction, vect_force_simple_reduction): New
214         functions.
215         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
216
217 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
218             Vladimir Makarov  <vmakarov@redhat.com>
219
220         PR rtl-optimization/44012
221         * ira-build.c (remove_unnecessary_allocnos): Nullify
222         regno_allocno_map of the removed allocno.
223
224 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
225
226         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
227         to /dev/null.
228         * configure: Regenerate.
229
230 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
231
232         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
233         unused.
234         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
235         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
236         support in Sun ld.
237         * configure: Regenerate.
238
239 2010-05-10  Richard Guenther  <rguenther@suse.de>
240
241         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
242         marked if the entry identifier is marked.
243
244 2010-05-10  Richard Guenther  <rguenther@suse.de>
245
246         * c-common.c (struct c_common_attributes): Add fnspec attribute.
247         (handle_fnspec_attribute): New function.
248         * gimple.h (gimple_call_return_flags): Declare.
249         (gimple_call_arg_flags): Likewise.
250         * gimple.c (gimple_call_arg_flags): New function.
251         (gimple_call_return_flags): Likewise.
252         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
253         New argument flags.
254         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
255         return value flags.
256         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
257         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
258         main work to ...
259         (make_heapvar_for): ... this new function.
260         (handle_rhs_call): Handle fnspec attribute argument specifiers.
261         (handle_lhs_call): Likewise.
262         (find_func_aliases): Adjust.
263
264 2010-05-10  Richard Guenther  <rguenther@suse.de>
265
266         PR tree-optimization/44050
267         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
268
269 2010-05-10  Wei Guozhi  <carrot@google.com>
270
271         PR target/42879
272         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
273
274 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
275
276         PR c/10676
277         * c-typeck.c (lookup_field): Take a type directly.  Update
278         recursive calls.
279         (build_component_ref): Update call to lookup_field.
280         (set_init_label): Use lookup_field to find initialized field.
281         Handle returned list of fields like a sequence of designators.
282
283 2010-05-09  Richard Guenther  <rguenther@suse.de>
284
285         PR middle-end/44024
286         * fold-const.c (tree_single_nonzero_warnv_p): Properly
287         handle &FUNCTION_DECL.
288
289 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
290
291         PR c/4784
292         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
293         structures and unions recursively.
294         (detect_field_duplicates): Move duplicate detection with a hash to
295         detect_field_duplicates_hash.  Always use a hash if anonymous
296         structures or unions are present.
297         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
298         give errors.
299
300 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
301
302         PR target/44046
303         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
304         detect Atom, Core 2 and Core i7.
305
306 2010-05-09  Richard Guenther  <rguenther@suse.de>
307
308         * gcc.c (store_arg): Handle temporary file deletion for
309         joined arguments.
310
311 2010-05-09  Richard Guenther  <rguenther@suse.de>
312
313         PR middle-end/44043
314         * ipa-inline.c (estimate_function_body_sizes): Return after
315         disregarding inline limits.
316
317 2010-05-09  Richard Guenther  <rguenther@suse.de>
318
319         * gcc.c (store_arg): Revert last change.
320
321 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
322
323         PR middle-end/28685
324         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
325         (optimize_ops_list): Call it.
326
327 2010-05-08  Richard Guenther  <rguenther@suse.de>
328
329         PR tree-optimization/44030
330         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
331         NECESSARY flag if we propagate from a inserted expression.
332
333 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
334
335         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
336         domain types as equal if they are both PLACEHOLDER_EXPRs.
337
338 2010-05-08  Richard Guenther  <rguenther@suse.de>
339
340         * lto-wrapper.c (run_gcc): Remove linker output from
341         command line for LTRANS invocation.
342
343 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
344
345         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
346         lto-macho as lto_binary_reader.
347         * target.h (struct gcc_target): New hooks lto_start and lto_end.
348         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
349         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
350         in lto_start and lto_end calls.
351         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
352         magic numbers.
353         (scan_prog_file): Update is_elf_or_coff call.
354         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
355
356         * collect2.c (main): Fix enum comparison.
357
358         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
359         Add prototypes.
360         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
361         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
362         and TARGET_ASM_LTO_END.
363         * darwin.c: Include obstack.h and lto-streamer.h.
364         (lto_section_names_offset, lto_section_names_obstack,
365         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
366         global variables.
367         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
368         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
369         to a temporary file.
370         (darwin_asm_lto_end): New function.  Restore asm_out_file.
371         (darwin_asm_named_section): For LTO sections, replace the name with
372         the offset of the section name in a string table, and build this
373         table.
374         (darwin_file_start): Initialize global vars for LTO support.
375         (darwin_file_end): If output to asm_out_file was redirected, append it
376         to the proper asm_out_file here.  Add the section names section.
377
378 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
379
380         * c-pragma.c (pending_weak_d, pending_weak): New.
381         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
382         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
383         handle_pragma_weak): Update the uses of pending_weaks.
384
385 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
386
387         PR documentation/44016
388         * doc/standards.texi (Standards): Link to unversioned
389         cxx0x_status.html page.
390
391 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
392
393         PR target/43708
394         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
395         in addition to TREE_USED, to avoid "set but unused" warnings.
396
397 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
398
399         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
400         (is_loop_prefetching_profitable): Do not insert prefetches
401         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
402         times the prefetch ahead distance.
403
404 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
405
406         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
407         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
408         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
409         the unroll_factor.
410
411 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
412
413         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
414         a diagnostic info when the insn-to-mem ratio is too small.
415
416 2010-05-07  Richard Guenther <rguenther@suse.de>
417
418         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
419         the linker plugin.
420         (store_arg): Queue temp_filename for deletion instead of
421         the whole argument.
422
423 2010-05-07  Richard Guenther  <rguenther@suse.de>
424
425         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
426         (run_gcc): Handle LTRANS phase invocation.
427         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
428
429 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
430
431         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
432         this is also meaningful on PARM_DECLs and RESULT_DECLs.
433
434 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
435
436         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
437
438 2010-05-07  Richard Guenther  <rguenther@suse.de>
439
440         PR tree-optimization/44020
441         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
442         code when PRE is not yet initialized.
443
444 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
445
446         * config/mips/dbxmdebug.h: Remove.
447         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
448
449 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
450
451         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
452         with null pointer and also warn about ordered comparison of zero with
453         pointer if -Wextra.
454
455 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
456
457         * graphite-blocking.c
458         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
459         * graphite-clast-to-gimple.c
460         (clast_to_gcc_expression): Same.
461         (precision_for_value): Same.
462         (precision_for_interval): Same.
463         (gcc_type_for_interval): Same.
464         (graphite_create_new_guard): Same.
465         (compute_bounds_for_level): Same.
466         (graphite_create_new_loop_guard): Same.
467         * graphite-interchange.c
468         (build_linearized_memory_access): Same.
469         (pdr_stride_in_loop): Same.
470         (memory_strides_in_loop_1): Same.
471         (memory_strides_in_loop): Same.
472         (extend_scattering): Same.
473         (psct_scattering_dim_for_loop_depth): Same.
474         (pbb_number_of_iterations): Same.
475         * graphite-poly.h
476         (debug_iteration_domains): Same.
477         * graphite-ppl.c
478         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
479         (ppl_set_inhomogeneous_gmp): Same.
480         (ppl_strip_loop): Same.
481         (ppl_lexico_compare_linear_expressions): Same.
482         (ppl_read_polyhedron_matrix): Same.
483         (ppl_max_for_le_pointset): Same.
484         * graphite-ppl.h
485         (ppl_read_polyhedron_matrix): Same.
486         (tree_int_to_gmp): Same.
487         (gmp_cst_to_tree): Same.
488         (ppl_set_inhomogeneous): Same.
489         (ppl_set_inhomogeneous_tree): Same.
490         (ppl_set_coef): Same.
491         (ppl_set_coef_tree): Same.
492         * graphite-sese-to-poly.c
493         (build_pbb_scattering_polyhedrons): Same.
494         (build_scop_scattering): Same.
495         (scan_tree_for_params_right_scev): Same.
496         (scan_tree_for_params): Same.
497         (find_params_in_bb): Same.
498         (find_scop_parameters): Same.
499         (add_upper_bounds_from_estimated_nit): Same.
500         (build_loop_iteration_domains): Same.
501         (add_condition_to_domain): Same.
502         (pdr_add_memory_accesses): Same.
503
504 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
505
506         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
507         CLooG's value_* macros to their respective mpz_* counterparts.
508         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
509         (graphite_create_new_loop_guard): Same.
510         * graphite-interchange.c (build_linearized_memory_access): Same.
511         (pdr_stride_in_loop): Same.
512         (memory_strides_in_loop_1): Same.
513         (1st_interchange_profitable_p): Same.
514         * graphite-poly.c (extend_scattering): Same.
515         (psct_scattering_dim_for_loop_depth): Same.
516         (pbb_number_of_iterations): Same.
517         (pbb_number_of_iterations_at_time): Same.
518         * graphite-poly.h (new_1st_loop): Same.
519         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
520         (oppose_constraint): Same.
521         (insert_constraint_into_matrix): Same.
522         (ppl_set_inhomogeneous_gmp): Same.
523         (ppl_set_coef_gmp): Same.
524         (ppl_strip_loop): Same.
525         (ppl_lexico_compare_linear_expressions): Same.
526         (ppl_max_for_le_pointset): Same.
527         (ppl_min_for_le_pointset): Same.
528         (ppl_build_realtion): Same.
529         * graphite-ppl.h (gmp_cst_to_tree): Same.
530         (ppl_set_inhomogeneous): Same.
531         (ppl_set_inhomogeneous_tree): Same.
532         (ppl_set_coef): Same.
533         (ppl_set_coef_tree): Same.
534         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
535         (build_scop_scattering): Same.
536         (add_value_to_dim): Same.
537         (scan_tree_for_params_right_scev): Same.
538         (scan_tree_for_params_int): Same.
539         (scan_tree_for_params): Same.
540         (find_params_in_bb): Same.
541         (find_scop_parameters): Same.
542         (add_upper_bounds_from_estimated_nit): Same.
543         (build_loop_iteration_domains): Same.
544         (create_linear_expr_from_tree): Same.
545         (add_condition_to_domain): Same.
546         (pdr_add_memory_accesses): Same.
547
548 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
549             Jason Merrill  <jason@redhat.com>
550
551         * c-common.c (c_common_reswords): Add nullptr.
552         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
553         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
554         (gen_type_die_with_usage): Likewise.
555         * dbxout.c (dbxout_type): Likewise.
556         * sdbout.c (plain_type_1): Likewise.
557
558 2010-05-06  Jason Merrill  <jason@redhat.com>
559
560         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
561         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
562         ret appropriately.
563         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
564
565         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
566         stripping WITH_SIZE_EXPR.
567         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
568         change.
569
570 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
571
572         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
573         list of obsolete configurations.
574         Disabled check for obsolete configurations.
575         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
576         Removed support for previous versions.
577         * config/mips/iris.h: Removed.
578         * config/mips/iris5.h: Removed.
579         * config/mips/iris6.h: Merged old iris.h contents.
580         (TARGET_IRIX): Removed.
581         (DRIVER_SELF_SPECS): Removed mabi=32.
582         (IDENT_ASM_OP): Removed undef.
583         (STARTFILE_SPEC): Removed mabi=32.
584         (ENDFILE_SPEC): Likewise.
585         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
586         (MACHINE_TYPE): Update for IRIX 6.5.
587         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
588         TARGET_IRIX by TARGET_IRIX6.
589         (mips_file_start): Likewise.
590         (mips_output_external): Remove IRIX 5/6 O32 support.
591         (mips_output_function_prologue): Likewise.
592         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
593         TARGET_IRIX6.
594         (TARGET_CPU_CPP_BUILTINS): Likewise.
595         (TARGET_IRIX): Removed.
596         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
597         (MULTILIB_DIRNAMES): Removed 32.
598         (MULTILIB_OSDIRNAMES): Removed ../lib.
599         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
600         (Specific, mips-sgi-irix5): Document removal.
601         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
602         Remove references to older IRIX 6 releases and the O32 ABI.
603
604 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
605
606         PR bootstrap/43994
607         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
608         instead of DF_REF_REAL_REG.
609
610 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
611
612         PR target/43888
613         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
614         handling to still return true for x64 targets.
615
616 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
617
618         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
619
620 2010-05-06  Jan Hubicka  <jh@suse.cz>
621
622         PR tree-optimization/43791
623         * ipa-inline.c (update_caller_keys): Remove bogus
624         disregard_inline_limits check.
625
626 2010-05-06  Michael Matz  <matz@suse.de>
627
628         PR tree-optimization/43984
629         * tree-ssa-pre.c (inserted_phi_names): Remove.
630         (inserted_exprs): Change to bitmap.
631         (create_expression_by_pieces): Set bits, don't append to vector.
632         (insert_into_preds_of_block): Don't handle inserted_phi_names.
633         (eliminate): Don't look at inserted_phi_names, remove deleted
634         insns from inserted_exprs.
635         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
636         (init_pre, fini_pre): Allocate and free bitmaps.
637         (execute_pre): Insert insns on edges before elimination.
638
639 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
640
641         * tree.c (initializer_zerop): Handle STRING_CST.
642
643 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
644
645         PR 40989
646         * doc/invoke.texi (Wimplicit): Document as C only.
647         * opts.c (common_handle_option): Add argument kind.
648         (handle_option): Rename as read_cmdline_option. Factor out code to...
649         (handle_option): ... here. New.
650         (handle_options): Rename as read_cmdline_options.
651         (decode_options): Update call.
652         (set_option): Use option index instead of option pointer. Classify
653         diagnostics correctly.
654         (enable_warning_as_error): Call handle_option.
655         * opts.h (set_option): Update declaration.
656         (handle_option): Declare.
657         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
658         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
659         * c-opts.c (set_Wimplicit): Delete.
660         (c_family_lang_mask): New static constant.
661         (c_common_handle_option): Add argument kind. Use handle_option
662         instead of set_Wimplicit.
663         (c_common_post_options): warn_implicit and warn_implicit_int
664         are disabled by default.
665         * c-common.c (warn_implicit): Do not define here.
666         * c-common.h (warn_implicit): Do not declare here.
667         (c_common_handle_option): Update declaration.
668         * lto-opts.c (lto_reissue_options): Update call to set_option.
669
670 2010-05-06  Richard Guenther  <rguenther@suse.de>
671
672         PR tree-optimization/43571
673         * domwalk.c (walk_dominator_tree): Walk the dominator
674         sons in more optimal order.
675
676 2010-05-06  Richard Guenther  <rguenther@suse.de>
677
678         PR tree-optimization/43934
679         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
680         (stmt_cost): Likewise.
681         (extract_true_false_args_from_phi): New helper.
682         (determine_max_movement): For PHI nodes verify we can hoist them
683         and compute their cost.
684         (determine_invariantness_stmt): Handle PHI nodes.
685         (move_computations_stmt): Likewise.  Hoist PHI nodes in
686         if-converted form using COND_EXPRs.
687         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
688         (tree_ssa_lim): Likewise.
689         * tree-flow.h (tree_ssa_lim): Adjust prototype.
690         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
691
692 2010-05-06  Richard Guenther  <rguenther@suse.de>
693
694         PR tree-optimization/43987
695         * tree-ssa-structalias.c (could_have_pointers): For possibly
696         address-taken variables force pointers to be recorded.
697         (create_variable_info_for_1): Likewise.
698         (push_fields_onto_fieldstack): Pass in wheter all fields
699         must have pointers.
700         (find_func_aliases): Query types instead of vars whether
701         they contain pointers where appropriate.
702
703 2010-05-06  Jan Hubicka  <jh@suse.cz>
704
705         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
706         (record_reference, mark_address, mark_load, mark_store): Record
707         references.
708         (record_references_in_initializer): Update call of record_references.
709         (rebuild_cgraph_edges): Remove all references before rebuiding.
710         * cgraph.c (cgraph_create_node): Clear ref list.
711         (cgraph_remove_node): Remove references.
712         (dump_cgraph_node): Dump references.
713         (cgraph_clone_node): Clone references.
714         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
715         (struct cgraph_node, varpool_node): Add ref_lst.
716         * ipa-ref.c: New file.
717         * ipa-ref.h: New file.
718         * ipa-ref-inline.h: New file.
719         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
720         (referenced_from_other_partition_p): New function.
721         (lto_output_varpool_node): Take set arugment; call
722         referenced_from_other_partition.
723         (lto_output_ref): New.
724         (add_references): New.
725         (output_refs): New.
726         (output_cgraph): Compute boundary based on references; output refs.
727         (output_varpool): Accept cgraph_node_set argument.
728         (input_ref): New.
729         (input_refs): New.
730         (input_cgraph): Call input_refs.
731         * lto-section-in.c (lto_section_name): Add refs.
732         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
733         (ipa-ref.o): New file.
734         * varpool.c (varpool_node): Clear ipa ref list.
735         (varpool_remove_node): Remove references.
736         (dump_varpool_node): Dump references.
737         (varpool_assemble_decl): Only compile finalized ones.
738         (varpool_extra_name_alias): Initialize ref list.
739         * lto-streamer.c (lto-get_section_name): Add .refs section.
740         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
741         (referenced_from_other_partition_p): Declared.
742
743 2010-05-06  Ira Rosen  <irar@il.ibm.com>
744
745         PR tree-optimization/43901
746         * tree-vect-stmts.c (vectorizable_call): Assert that vector
747         type is not NULL if it's transformation phase, and return
748         FALSE if it's analysis.
749         (vectorizable_conversion, vectorizable_operation,
750         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
751
752 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
753
754         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
755         Delete.
756         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
757         New define.
758         * config/mips/mips-protos.h
759         (mips_small_register_classes_for_mode_p): Delete prototype.
760
761 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
762
763         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
764         * config/arm/arm.c (multiple_operation_profitable_p,
765         compute_offset_order): New static functions.
766         (load_multiple_sequence, store_multiple_sequence): Use them.
767         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
768         memory offsets, not register numbers.
769         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
770
771 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
772
773         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
774         (get_pending_sizes, put_pending_size, put_pending_sizes):
775         Update the uses of pending_sizes.
776         * c-decl.c (store_parm_decls): Likewise.
777         * c-tree.h (struct c_arg_info): Likewise.
778         * tree.h: Update the prototype for get_pending_sizes and
779         put_pending_sizes.
780
781 2010-05-05  Jason Merrill  <jason@redhat.com>
782
783         PR debug/43370
784         * c-common.c (handle_aligned_attribute): Respect
785         ATTR_FLAG_TYPE_IN_PLACE.
786
787         PR testsuite/43758
788         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
789         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
790         (TARGET_INITIALIZER): Use it.
791         * c-common.c (attribute_takes_identifier_p): Call it.
792         * c-common.h: Update prototype.
793         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
794         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
795
796 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
797
798         PR debug/43950
799         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
800         DW_ID_down_case for Fortran compilation units.
801
802 2010-05-05  Jan Hubicka  <jh@suse.cz>
803
804         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
805         handle aliases.
806
807 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
808
809         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
810         a variable-sized RESULT_DECL.
811
812 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
813
814         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
815
816 2010-05-05  Jason Merrill  <jason@redhat.com>
817
818         PR c++/43787
819         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
820         returns GS_OK.
821         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
822
823 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
824             Jakub Jelinek  <jakub@redhat.com>
825
826         PR debug/43478
827         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
828         (dead_debug_init, dead_debug_finish): New functions.
829         (dead_debug_add, dead_debug_insert_before): Likewise.
830         (df_note_bb_compute): Initialize a dead_debug object, add dead
831         debug uses to it, insert debug bind insns before death insns,
832         reset debug insns that refer to pending uses at the end.
833         * rtl.h (make_debug_expr_from_rtl): New prototype.
834         * varasm.c (make_debug_expr_from_rtl): New function.
835
836 2010-05-05  Jan Hubicka  <jh@suse.cz>
837
838         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
839         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
840         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
841         lto_varpool_encoder_deref, lto_varpool_encoder_size,
842         lto_varpool_encoder_encode_initializer_p,
843         lto_set_varpool_encoder_encode_initializer): New functions.
844         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
845         call output_varpool.
846         (input_varpool_node): Do not always set analyzed.
847         (input_cgraph_1): Return vector of cgraph nodes.
848         (input_varpool_1): Return vector of varpools.
849         (input_cgraph): Free the vectors.
850         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
851         output only initializers needed.
852         (lto_output): Only call output_cgraph.
853         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
854         * lto-section-out.c (lto_new_out_decl_state): Initialize
855         state->varpool_node_encoder.
856         * lto-streamer.h (lto_varpool_encoder_d): New.
857         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
858         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
859         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
860         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
861         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
862         Declare.
863         (output_varpool, input_varpool): Remove declarations.
864
865 2010-05-05  Jan Hubicka  <jh@suse.cz>
866
867         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
868         with body can prevail.
869
870 2010-05-05  Jan Hubicka  <jh@suse.cz>
871
872         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
873         size.
874
875 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
876
877         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
878
879         * gengtype.h (erro_at_line): Constify pos argument.
880
881         * gengtype.c: Include hashtab.h.
882         (enum gc_used): Document GC_MAYBE_POINTED_TO.
883         (error_at_line): Constify pos argument.
884         (do_typedef): Initialize p->opt field.
885         (get_file_gtfilename): Fix comment typo.
886         (struct walk_type_data): Constify line field.
887         (get_output_file_for_structure): New function.
888         (write_local_func_for_structure): Constify orig_s argument.
889         Use get_output_file_for_structure.
890         (write_func_for_structure): Use get_output_file_for_structure.
891         (INDENT): New define.
892         (dump_pair, dump_type, dump_type_list, dump_typekind)
893         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
894         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
895         functions.
896         (seen_types): New variable.
897         (main): New variable do_dump.  Process "-d" command line option.
898         Call dump_everything if dump requested.
899
900 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
901
902         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
903         in a temporary instead of invoking the macro multiple times.
904         (track_expr_p): Likewise.
905
906 2010-05-04  Neil Vachharajani <nvachhar@google.com>
907
908         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
909         per new semantics.
910         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
911         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
912         conditions for printing notes.
913         * common.opt (-Wcoverage-mismatch): Allow negative, default to
914         true, update documentation.
915         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
916
917 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
918
919         PR c/43981
920         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
921         on dimen.
922
923 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
924
925         PR target/43799
926         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
927         (*sse_prologue_save_insn1): Likewise.
928         (SSE prologue save splitter): Likewise.
929
930 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
931
932         * tree.c (free_lang_data_in_one_sizepos): New inline function.
933         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
934         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
935         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
936         all decls.  Call it on DECL_FIELD_OFFSET of fields.
937         (find_decls_types_r): Follow DECL_VALUE_EXPR.
938         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
939
940 2010-05-04  Martin Jambor  <mjambor@suse.cz>
941
942         * tree-sra.c (build_access_from_expr_1): The first parameter type
943         changed to simple tree.
944         (build_access_from_expr): Likewise, gsi parameter was eliminated.
945         (scan_assign_result): Renamed to assignment_mod_result, enum elements
946         renamed as well.
947         (build_accesses_from_assign): Removed all parameters except for a
948         simple gimple statement.  Now returns a simple bool.
949         (scan_function): All non-analysis parts moved to separate functions
950         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
951         parameters and updated both callers.
952         (sra_modify_expr): Removed parameter data.
953         (sra_modify_function_body): New function.
954         (perform_intra_sra): Call sra_modify_function_body to modify the
955         function body.
956         (replace_removed_params_ssa_names): Parameter data changed into
957         adjustments vector.
958         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
959         changed the parameter dont_convert to convert with the opposite
960         meaning.
961         (sra_ipa_modify_assign): Parameter data changed into adjustments
962         vector, return value changed to bool.
963         (ipa_sra_modify_function_body): New function.
964         (sra_ipa_reset_debug_stmts): Updated a comment.
965         (modify_function): Use ipa_sra_modify_function_body to modify function
966         body.
967
968 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
969
970         PR middle-end/43671
971         * alias.c (true_dependence): Handle the same VALUE in x and mem.
972         (canon_true_dependence): Likewise.
973         (write_dependence_p): Likewise.
974
975 2010-05-04  Jan Hubicka  <jh@suse.cz>
976
977         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
978         * cgraphbuild.c: Include ipa-utils.h
979         (record_reference_ctx): New struct.
980         (record_reference): Simplify to work on initializers; not statements.
981         (mark_address, mark_load, mark_store): New.
982         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
983         walk PHI nodes too.
984         (record_references_in_initializer): Update use of record_reference.
985         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
986         walk PHI nodes too.
987
988 2010-05-04  Jan Hubicka  <jh@suse.cz>
989
990         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
991         node will be removed anyway.
992         (lto_varpool_replace_node): Allow also unanalyzed nodes;
993         relink aliases of node into prevailing node.
994         * varpool.c (varpool_remove_node): Remove aliases properly;
995         when removing node, remove all its aliases too; remove DECL_INITIAL
996         of removed node; ggc_free the varpool node.
997
998 2010-05-04  Richard Guenther  <rguenther@suse.de>
999
1000         PR tree-optimization/43879
1001         * tree-ssa-structalias.c (alias_get_name): Use
1002         DECL_ASSEMBLER_NAME if available.
1003         (create_function_info_for): Return the varinfo node.
1004         (ipa_pta_execute): Associate same-body aliases and extra names
1005         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1006
1007 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1008
1009         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1010
1011 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1012
1013         PR bootstrap/43964
1014         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1015         only if HONOR_REG_ALLOC_ORDER is not defined.
1016
1017 2010-05-04  Richard Guenther  <rguenther@suse.de>
1018
1019         PR tree-optimization/43949
1020         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1021         TRUNC_MOD_EXPR.
1022
1023 2010-04-26  Jason Merrill  <jason@redhat.com>
1024
1025         * c.opt (-fstrict-enums): New.
1026         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1027
1028 2010-05-03  David Ung <davidu@mips.com>
1029             James E. Wilson  <wilson@codesourcery.com>
1030
1031         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1032         emit the trap instruction before the divide for TUNE_74K.
1033
1034 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1035
1036         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1037         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1038         based on the above, for new target hook.
1039
1040         * hooks.c (hook_bool_mode_true): New generic hook.
1041         * hooks.h (hook_bool_mode_true): Add prototype.
1042
1043         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1044         target hook.
1045         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1046         target hook, set to hook_bool_mode_false.
1047         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1048         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1049         with targetm.small_register_classes_for_mode_p.
1050         (find_reusable_reload): Likewise.
1051         (combine_reloads): Likewise.
1052         * reload1.c (reload_as_needed): Likewise.
1053         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1054         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1055         dead_or_predicable): Likewise.
1056         * regmove.c (optimize_reg_copy_1): Likewise.
1057         * calls.c (prepare_call_address): Likewise.
1058         (precompute_register_parameters): Likewise.
1059
1060         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1061         hook definition.
1062         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1063         implementation of the hook that considers all register classes
1064         small except for SH64.
1065         (sh_override_options): Use the new hook.
1066         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1067         Add prototype.
1068
1069         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1070         hook definition.
1071         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1072         implementation of the hook that considers all register classes
1073         small for THUMB1.
1074         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1075         Add prototype.
1076
1077         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1078         hook definition.
1079         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1080         implementation of the hook that considers all register classes
1081         small for MIPS16.
1082         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1083         Add prototype.
1084
1085         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1086         hook definition.
1087         * config/m32c/m32c.h: Likewise.
1088         * config/pdp11/pdp11.h: Likewise.
1089         * config/avr/avr.h: Likewise.
1090         * config/xtensa/xtensa.h: Likewise.
1091         * config/m68hc11/m68hc11.h: Likewise.
1092         * config/mn10300/mn10300.h: Likewise.
1093         * config/mcore/mcore.h: Likewise.
1094         * config/h8300/h8300.h: Likewise.
1095         * config/bfin/bfin.h: Likewise.
1096
1097         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1098         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1099
1100 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1101
1102         * double-int.h (tree_to_double_int): Remove macro.
1103         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1104         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1105         (tree_to_double_int): New function.
1106         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1107         Move ...
1108         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1109
1110 2010-05-03  Richard Guenther  <rguenther@suse.de>
1111
1112         PR tree-optimization/43971
1113         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1114         constraints in the !flag_delete_null_pointer_checks case.
1115
1116 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1117
1118         PR debug/43972
1119         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1120         result mode matches original rtl mode.
1121
1122 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1123
1124         PR target/43888
1125         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1126
1127 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1128
1129         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1130         when processing flag options.
1131
1132 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1133
1134         * gcov-iov.c (main): Change format string placeholder
1135         from %#08x to 0x%08x.
1136         * genchecksum.c (dosum): Change format string placeholder
1137         from %#02x to 0x%02x.
1138
1139 2010-05-02  Richard Guenther  <rguenther@suse.de>
1140
1141         PR tree-optimization/43879
1142         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1143
1144 2010-05-02  Bruno Haible  <bruno@clisp.org>
1145
1146         * doc/extend.texi (Function Attributes): Fix a typo.
1147
1148 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1149
1150         Revert:
1151         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1152         placeholder from 0x%x to %#x.
1153         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1154         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1155         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1156         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1157         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1158         * config/i386/i386.c (ix86_target_string): Ditto.
1159         * config/i386/i386.c (output_pic_addr_const): Ditto.
1160         (print_operand): Ditto.
1161
1162 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1165         placeholder from 0x%x to %#x.
1166         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1167         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1168         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1169         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1170         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1171         * optc-gen.awk: Ditto.
1172         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1173         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1174         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1175         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1176
1177 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1178
1179         * target.h (struct calls): Add function_value_regno_p field.
1180         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1181         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1182         * targhooks.c (default_function_value_regno_p): New function.
1183         * targhooks.h (default_function_value_regno_p): Declare function.
1184         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1185         * builtins.c. (apply_result_size): (Ditto.).
1186         * combine.c. (likely_spilled_retval_p): (Ditto.).
1187         * mode-switching.c. Include 'target.h'.
1188         (create_pre_exit): Use function_value_regno_p hook.
1189         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1190         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1191         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1192
1193         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1194         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1195         (ix86_function_value_regno_p): Declare as static, change argument
1196         type to const unsigned int.
1197         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1198
1199 2010-05-01  Richard Guenther  <rguenther@suse.de>
1200
1201         PR tree-optimization/43949
1202         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1203         types.
1204         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1205
1206 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1207
1208         * rtl.h (CONST_DOUBLE_P): Define.
1209         (rtx_to_double_int): Declare.
1210         * emit-rtl.c (rtx_to_double_int): New function.
1211         * dwarf2out.c (insert_double): New function.
1212         (loc_descriptor, add_const_value_attribute): Clean up, use
1213         rtx_to_double_int and insert_double functions.
1214
1215 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1216
1217         * doc/extend.texi (Inline): Add missing return keyword to examples.
1218         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1219         "command-line".
1220
1221 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1222
1223         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1224         the variable part of the offset as well.  Use highest_pow2_factor for
1225         all alignment checks.
1226
1227 2010-04-30  Richard Guenther  <rguenther@suse.de>
1228
1229         PR tree-optimization/43879
1230         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1231         can have pointers.
1232
1233 2010-04-30  Jan Hubicka  <jh@suse.cz>
1234
1235         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1236         varpool.
1237         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1238
1239 2010-04-30  Jan Hubicka  <jh@suse.cz>
1240
1241         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1242         New.
1243         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1244         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1245         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1246         cgraph_node_set_needs_ltrans_p): Remove.
1247
1248 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1249
1250         * sdbout.c: Include vec.h, do not include varray.h.
1251         (deferred_global_decls, sdbout_global_decl,
1252         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1253         * toplev.c: Do not include varray.h.
1254         (dump_memory_report): Do not dump VARRAY statistics.
1255         * gengtype.c (open_base_file): Ignore varray.h.
1256         * Makefile.in: Update for abovementioned changes.
1257         Remove all traces of varray.c and varray.h.
1258         * varray.c: Remove file.
1259         * varray.h: Remove file.
1260
1261 2010-04-30  Jan Hubicka  <jh@suse.cz>
1262
1263         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1264         references.
1265
1266 2010-04-30  Jan Hubicka  <jh@suse.cz>
1267
1268         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1269         needed.
1270
1271 2010-04-30  Richard Guenther  <rguenther@suse.de>
1272
1273         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1274         constraints for CONSTRUCTOR.
1275
1276 2010-04-30  Richard Guenther  <rguenther@suse.de>
1277
1278         PR lto/43946
1279         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1280         first after all lowering passes.
1281
1282 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1283
1284         * toplev.c: Include varray.h for statistics dumping.
1285         * tree.h: Do not declare varray_head_tag.
1286         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1287         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1288         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1289         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1290         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1291         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1292         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1293         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1294         include varray.h.
1295         * Makefile.in: Update for abovementioned changes.
1296
1297 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1298
1299         PR debug/43942
1300         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1301
1302 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1303
1304         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1305         Use this function to do machine-specific conversion.
1306         (picochip_legitimize_reload_address): Likewise.
1307         (picochip_legitimate_address_p): Check valid base register only if
1308         strict.
1309         (picochip_check_conditional_copy): Check for modw only if opnd is
1310         register.
1311         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1312         to call the function in c.
1313         * config/picochip/picochip-protos.h
1314         (picochip_legitimize_reload_address): Define.
1315         * config/picochip/picochip.md (supported_compare1): Define.
1316
1317 2010-04-30  Jan Hubicka  <jh@suse.cz>
1318
1319         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1320         (cgraph_global_info): Remove inlined.
1321         (LTO_cgraph_tag_names): Remove.
1322         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1323         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1324         simplify cgraph tags and document.
1325         (lto_output_node): Use only LTO_cgraph_unavail_node and
1326         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1327         for_functions_valid, global info, process and output flags.
1328         (input_overwrite_node): Initialize estimated stack size and
1329         estimated growth.  Do not read flags we no longer store.
1330         (input_node): Likewise do not read info no longer stored.
1331         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1332         flag.
1333
1334 2010-04-30  Richard Guenther  <rguenther@suse.de>
1335
1336         PR tree-optimization/43879
1337         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1338         handle non-zero initializers.
1339
1340 2010-04-30  Richard Guenther  <rguenther@suse.de>
1341
1342         * builtins.c (fold_builtin_1): Delete free (0).
1343
1344 2010-04-29  Jan Hubicka  <jh@suse.cz>
1345
1346         * gengtype.c (open_base_files): Add lto-streamer.h
1347         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1348         (pass_ipa_cp): GGC collect.
1349         * toplev. (compile_file): Do not output symbols.
1350         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1351         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1352         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1353         * lto-section-in.c: Include ggc.h
1354         (lto_new_in_decl_state): Alloc in GGC.
1355         (lto_delete_in_decl_state): Likewise.
1356         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1357         Collect.
1358
1359 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1360
1361         PR target/42895
1362         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1363         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1364         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1365         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1366         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1367         account only if HONOR_REG_ALLOC_ORDER is not defined.
1368         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1369         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1370
1371 2010-04-29  Jon Grant  <04@jguk.org>
1372
1373         * collect2.c (vflag): Change type from int to bool.
1374         (debug): Likewise.
1375         (helpflag): New global bool.
1376         (main): Set vflag and debug with boolean, not integer truth values.
1377         Accept new "--help" option and output usage text if found.
1378         * collect2.h (vflag): Update prototype.
1379         (debug): Likewise.
1380
1381 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1382
1383         PR bootstrap/43936
1384         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1385
1386 2010-04-29  Richard Guenther  <rguenther@suse.de>
1387
1388         PR bootstrap/43935
1389         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1390         with ATTRIBUTE_UNUSED.
1391
1392 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1393
1394         PR target/43921
1395         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1396         INSN_P with NONDEBUG_INSN_P.
1397         (distance_non_agu_define): Likewise.
1398         (distance_agu_use): Likewise.
1399
1400 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1401
1402         From Dominique d'Humieres <dominiq@lps.ens.fr>
1403         PR bootstrap/43858
1404         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1405         test_set.
1406
1407 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1408
1409         * plugin.h (invoke_plugin_callbacks): New inline function.
1410         * plugin.c (flag_plugin_added): New global flag.
1411         (add_new_plugin): Initialize above flag.
1412         (invoke_plugin_callbacks): Rename to ...
1413         (invoke_plugin_callbacks_full): ... this.
1414
1415 2010-04-28  Jan Hubicka  <jh@suse.cz>
1416
1417         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1418         (lto_varpool_replace_node): New.
1419         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1420         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1421         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1422         * cgraph.h (varpool_node_ptr): New type.
1423         (varpool_node_ptr): New vector.
1424         (varpool_node_set_def): New structure.
1425         (varpool_node_set): New type.
1426         (varpool_node_set): New vector.
1427         (varpool_node_set_element_def): New structure.
1428         (varpool_node_set_element, const_varpool_node_set_element): New types.
1429         (varpool_node_set_iterator): New type.
1430         (varpool_node): Add prev pointers, add used_from_other_partition,
1431         in_other_partition.
1432         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1433         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1434         varpool_get_node, varpool_remove_node): Declare.
1435         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1436         varpool_node_set_size): New inlines.
1437         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1438         * tree-pass.h (varpool_node_set_def): Forward declare.
1439         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1440         (ipa_write_optimization_summaries): Update prototype.
1441         * ipa-cp.c (ipcp_write_summary): Update.
1442         * ipa-reference.c (ipa_reference_write_summary): Update.
1443         * lto-cgraph.c (lto_output_varpool_node): New static function.
1444         (output_varpool): New function.
1445         (input_varpool_node): New static function.
1446         (input_varpool_1): New function.
1447         (input_cgraph): Input varpool.
1448         * ipa-pure-const.c (pure_const_write_summary): Update.
1449         * lto-streamer-out.c (lto_output): Update, output varpool too.
1450         (write_global_stream): Kill WPA hack.
1451         (produce_asm_for_decls): Update.
1452         (output_alias_pair_p): Handle variables.
1453         (output_unreferenced_globals): Output only needed partition of varpool.
1454         * ipa-inline.c (inline_write_summary): Update.
1455         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1456         cgraph.
1457         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1458         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1459         varpool_node_set_new, varpool_node_set_add,
1460         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1461         debug_varpool_node_set): New functions.
1462         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1463         (execute_one_pass): Process new decls too.
1464         (ipa_write_summaries_2): Pass around vsets.
1465         (ipa_write_summaries_1): Likewise.
1466         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1467         to add.
1468         (ipa_write_optimization_summaries_1): Pass around vsets.
1469         (ipa_write_optimization_summaries): Likewise.
1470         * varpool.c (varpool_get_node): New.
1471         (varpool_node): Update doubly linked lists.
1472         (varpool_remove_node): New.
1473         (dump_varpool_node): More dumping.
1474         (varpool_enqueue_needed_node): Update doubly linked lists.
1475         (decide_is_variable_needed): Kill ltrans hack.
1476         (varpool_finalize_decl): Kill lto hack.
1477         (varpool_assemble_decl): Skip decls in other partitions.
1478         (varpool_assemble_pending_decls): Update doubly linkes lists.
1479         (varpool_empty_needed_queue): Likewise.
1480         (varpool_extra_name_alias): Likewise.
1481         * lto-streamer.c (lto_get_section_name): Add vars section.
1482         * lto-streamer.h (lto_section_type): Update.
1483         (output_varpool, input_varpool): Declare.
1484
1485 2010-04-28  Mike Stump  <mikestump@comcast.net>
1486
1487         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1488
1489 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1490
1491         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1492         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1493         (lto_input_ts_type_tree_pointers): Likewise.
1494         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1495         (lto_output_ts_type_tree_pointers): Likewise.
1496
1497 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1498
1499         Uniquization of constants at the Tree level
1500         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1501         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1502         bit to the end.
1503         (tree_output_constant_def): Declare.
1504         * gimplify.c (gimplify_init_constructor): When using block copy, first
1505         uniquize the constant constructor on the RHS.
1506         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1507         DECL_IN_CONSTANT_POOL flag.
1508         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1509         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1510         constant pool.
1511         (assemble_variable): Deal with symbols belonging to the tree constant
1512         pool.
1513         (get_constant_section): Add ALIGN parameter and simplify.
1514         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1515         (assemble_constant_contents): Use the expression of the VAR_DECL.
1516         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1517         (tree_output_constant_def): New global function.
1518         (mark_constant): Use the expression of the VAR_DECL.
1519         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1520         its expression.
1521         (output_object_block): Likewise and assemble the expression.
1522
1523 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1524
1525         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1526         hash_tree, eq_tree): New tree hash table.
1527         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1528         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1529         lto_orig_address_remove): Reimplement.
1530
1531 2010-04-28  Xinliang David Li  <davidxl@google.com>
1532
1533         PR c/42643
1534         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1535         (compute_uninit_opnds_pos): New function.
1536         (is_non_loop_exit_postdominating): New function.
1537         (compute_control_dep_chain): New function.
1538         (find_pdom): New function.
1539         (convert_control_dep_chain_into_preds): New function.
1540         (find_predicates): New function.
1541         (find_control_equiv_block): New function.
1542         (collect_phi_def_edges): New function.
1543         (find_def_preds): New function.
1544         (find_dom): New function.
1545         (dump_predicates): New function.
1546         (get_cmp_code): New function.
1547         (is_value_included_in): New function.
1548         (find_matching_predicate_in_rest_chains): New function.
1549         (use_pred_not_overlap_with_undef_path_pred): New function.
1550         (is_use_properly_guarded): New function.
1551         (normalize_cond_1): New function.
1552         (is_and_or_or): New function.
1553         (normalize_cond): New function.
1554         (is_gcond_subset_of): New function.
1555         (is_subset_of_any): New function.
1556         (is_or_set_subset_of): New function.
1557         (is_and_set_subset_of): New function.
1558         (is_norm_cond_subset_of): New function.
1559         (is_pred_expr_subset_of): New function.
1560         (is_pred_chain_subset_of): New function.
1561         (is_included_in): New function.
1562         (is_superset_of): New function.
1563         (find_uninit_use): New function.
1564         (warn_uninitialized_phi): New function.
1565         (compute_possibly_undefined_names): New function.
1566         (ssa_undefined_value_p): New function.
1567         (execute_late_warn_uninitialized): New function.
1568         * tree-ssa.c (ssa_undefined_value_p): Removed.
1569         (warn_uninit): Changed to extern.
1570         (warn_uninitialized_phi): Removed.
1571         (warn_uninitialized_vars): Changed to extern.
1572         (execute_late_warn_uninitialized): Removed
1573         * tree-flow.h: Add new prototypes.
1574         * timevar.def: Add new time variable.
1575         * Makefile.in: Add new build file.
1576
1577 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1578
1579         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1580         type if available.
1581
1582 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1583
1584         PR target/22224
1585         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1586
1587 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1588
1589         * cgraph.h (struct cgraph_node): New field indirect_calls.
1590         (struct cgraph_indirect_call_info): New type.
1591         (struct cgraph_edge): Removed field indirect_call. New fields
1592         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1593         (cgraph_create_indirect_edge): Declare.
1594         (cgraph_make_edge_direct): Likewise.
1595         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1596         * ipa-prop.h (struct ipa_param_call_note): Removed.
1597         (struct ipa_node_params): Removed field param_calls.
1598         (ipa_create_all_structures_for_iinln): Declare.
1599         * cgraph.c: Described indirect edges and uids in initial comment.
1600         (cgraph_add_edge_to_call_site_hash): New function.
1601         (cgraph_edge): Search also among the indirect edges, use
1602         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1603         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1604         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1605         site hash.
1606         (initialize_inline_failed): Assign a reason to indirect edges.
1607         (cgraph_create_edge_1): New function.
1608         (cgraph_create_edge): Moved some functionality to
1609         cgraph_create_edge_1.
1610         (cgraph_create_indirect_edge): New function.
1611         (cgraph_edge_remove_callee): Add an assert checking for
1612         non-indirectness.
1613         (cgraph_edge_remove_caller): Special-case indirect edges.
1614         (cgraph_remove_edge): Likewise.
1615         (cgraph_set_edge_callee): New function.
1616         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1617         (cgraph_make_edge_direct): New function.
1618         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1619         the declaration of the call statement matches.
1620         (cgraph_node_remove_callees): Special-case indirect edges.
1621         (cgraph_clone_edge): Likewise.
1622         (cgraph_clone_node): Clone also the indirect edges.
1623         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1624         indirect_call, dump count of indirect_calls edges.
1625         * ipa-prop.c (iinlining_processed_edges): New variable.
1626         (ipa_note_param_call): Create indirect edges instead of
1627         creating notes.  New parameter node.
1628         (ipa_analyze_call_uses): New parameter node, pass it on to
1629         ipa_note_param_call.
1630         (ipa_analyze_stmt_uses): Likewise.
1631         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1632         (print_edge_addition_message): Work on edges rather than on notes.
1633         (update_call_notes_after_inlining): Likewise, renamed to
1634         update_indirect_edges_after_inlining.
1635         (ipa_create_all_structures_for_iinln): New function.
1636         (ipa_free_node_params_substructures): Do not free notes.
1637         (ipa_edge_duplication_hook): Propagate bits within
1638         iinlining_processed_edges bitmap.
1639         (ipa_node_duplication_hook): Do not duplicate notes.
1640         (free_all_ipa_structures_after_ipa_cp): Renamed to
1641         ipa_free_all_structures_after_ipa_cp.
1642         (free_all_ipa_structures_after_iinln): Renamed to
1643         ipa_free_all_structures_after_iinln.
1644         (ipa_write_param_call_note): Removed.
1645         (ipa_read_param_call_note): Removed.
1646         (ipa_write_indirect_edge_info): New function.
1647         (ipa_read_indirect_edge_info): Likewise.
1648         (ipa_write_node_info): Do not stream notes, do stream information
1649         in indirect edges.
1650         (ipa_read_node_info): Likewise.
1651         (lto_ipa_fixup_call_notes): Removed.
1652         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1653         * ipa-inline.c (pass_ipa_inline): Likewise.
1654         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1655         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1656         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1657         is_gimple_call.
1658         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1659         edges.
1660         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1661         (output_cgraph): Stream also indirect edges.
1662         (lto_output_edge): Added capability to stream indirect edges.
1663         (input_edge): Likewise.
1664         (input_cgraph_1): Likewise.
1665         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1666         of indirect edges.
1667
1668 2010-04-28  Richard Guenther  <rguenther@suse.de>
1669
1670         PR tree-optimization/43879
1671         PR tree-optimization/43909
1672         * tree-ssa-structalias.c (struct variable_info): Add
1673         only_restrict_pointers flag.
1674         (new_var_info): Initialize it.  Increment stats.total_vars here.
1675         (create_function_info_for): Do not increment stats.total_vars here.
1676         (get_function_part_constraint): Fix build with C++.
1677         (insert_into_field_list): Remove.
1678         (push_fields_onto_fieldstack): Properly merge fields.
1679         (create_variable_info_for): Split and simplify.
1680         (create_variable_info_for_1): New piece.
1681         (intra_create_variable_infos): Properly make restrict constraints
1682         from parameters.
1683
1684 2010-04-28  Richard Guenther  <rguenther@suse.de>
1685
1686         PR c++/43880
1687         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1688
1689 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1690             Jan Hubicka <hubicka@ucw.cz>
1691
1692         * doc/invoke.texi (-Wsuggest-attribute=const,
1693         -Wsuggest-attribute=pure): Document.
1694         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1695         (function_always_visible_to_compiler_p,
1696         suggest_attribute, warn_function_pure, warn_function_const):
1697         New functions.
1698         (check_call): Improve debug info.
1699         (analyze_function): Do not check availability.
1700         (add_new_function): Check availability.
1701         (propagate): Output warnings.
1702         (skip_function_for_local_pure_const): New function.
1703         (local_pure_const): Use it; output warnings.
1704         * common.opt (Wsuggest-attribute=const,
1705         Wsuggest-attribute=pure): New.
1706
1707 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1708
1709         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1710         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1711         or DW_CFA_def_cfa_offset{,_sf}.
1712
1713 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1714
1715         * tree.h: Fix truncated long macros.
1716
1717 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1718
1719         * collect2.c (TARGET_64BIT): Redefine to target's default.
1720         * tlink.c: Likewise.
1721         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1722         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1723         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1724         for underscoring __USER_LABEL_PREFIX__.
1725         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1726         (SUB_LINK_ENTRY32): New.
1727         (SUB_LINK_ENTRY64): New.
1728         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1729         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1730         (SUB_LINK_ENTRY64): New.
1731         (SUB_LINK_ENTRY): New.
1732         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1733         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1734         x64 target is choosen.
1735         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1736         * configure: Regenerated.
1737         * configure.ac (leading-mingw64-underscores): Option added.
1738
1739 2010-04-27  Jan Hubicka  <jh@suse.cz>
1740
1741         * doc/invoke.texi (-fipa-profile): Document.
1742         * opts.c (decode_options): Enable ipa-profile at -O1.
1743         * timevar.def (TV_IPA_PROFILE): Define.
1744         * common.opt (fipa-profile): Add.
1745         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1746         flag for clones.
1747         (cgraph_propagate_frequency): Handle only local ones.
1748         * tree-pass.h (pass_ipa_profile): Declare.
1749         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1750         (pass_ipa_profile): Use TV_IPA_PROFILE.
1751         * ipa.c (ipa_profile): New function.
1752         (gate_ipa_profile): Likewise.
1753         (pass_ipa_profile): New global variable.
1754         * passes.c (pass_ipa_profile): New.
1755
1756 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1757
1758         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1759
1760 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1761
1762         PR middle-end/43812
1763         * ipa.c (dissolve_same_comdat_group_list): New function.
1764         (function_and_variable_visibility): Call
1765         dissolve_same_comdat_group_list when comdat group contains external or
1766         newly local nodes.
1767         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1768         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1769
1770 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1771
1772         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1773         (const_hash_1) <VECTOR_CST>: New case.
1774         (compare_constant) <VECTOR_CST>: Likewise.
1775         <ADDR_EXPR>: Deal with LABEL_REFs.
1776         (copy_constant) <VECTOR_CST>: New case.
1777
1778 2010-04-27  Jan Hubicka  <jh@suse.cz>
1779
1780         * cgraph.c (cgraph_propagate_frequency): New function.
1781         * cgraph.h (cgraph_propagate_frequency): Declare.
1782         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1783         cgraph_propagate_frequency.
1784
1785 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1786
1787         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1788
1789 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1790
1791         PR target/40657
1792         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1793         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1794         here to determine which regs to push and how much stack to reserve.
1795
1796 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1797
1798         * doc/gimple.texi (gimple_statement_with_ops): Remove
1799         addresses_taken field.
1800         (gimple_statement_with_memory_ops): Likewise.
1801
1802 2010-04-27  Jan Hubicka  <jh@suse.cz>
1803
1804         * tree-inline.c (eni_inlining_weights): Remove.
1805         (estimate_num_insns): Special case more builtins.
1806
1807 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1808
1809         PR c/32207
1810         * c-typeck.c (build_binary_op): Move forward check for comparison
1811         pointer with null pointer constant and adjust the diagnostic message.
1812
1813 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1814
1815         PR lto/42776
1816         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1817         binutils supports extended .section directive needed by LTO, or
1818         warn if older binutils found.
1819         (LTO_BINARY_READER): New AC_SUBST'd variable.
1820         (LTO_USE_LIBELF): Likewise.
1821         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1822         variable.
1823         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1824         (LTO_USE_LIBELF): Likewise.
1825         * configure: Regenerate.
1826
1827         * collect2.c (is_elf): Rename from this ...
1828         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1829          object files in addition to ELF-formatted ones.
1830         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1831         symbol to be prefixed or not by an extra underscore.
1832
1833         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1834         * config/i386/winnt.c: Also #include lto-streamer.h
1835         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1836         LTO named sections.
1837         (i386_pe_asm_output_aligned_decl_common): Add comment.
1838         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1839
1840 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1841
1842         PR target/43889
1843         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1844         Add missing earlyclobber for second alternative.
1845
1846 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1847
1848         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1849         bits for artificial defs at the top of the block.
1850         * fwprop.c (single_def_use_enter_block): Don't call it.
1851
1852 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1853
1854         PR 43715
1855         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1856         instead of "$gcc_cv_objdump -T".
1857         Use "-undefined dynamic_lookup" on darwin.
1858         * gcc/configure: Regenerate.
1859
1860 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1861
1862         PR c/43893
1863         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1864
1865 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1866
1867         * c-parser.c (struct c_token): Move location field up.
1868         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1869         (struct c_declspecs): Convert typespec_word, storage_class, and
1870         default_int_p into bitfields.
1871         (struct c_declarator): Move loc field up.
1872
1873 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1874
1875         * cfgloop.h (struct loop): Move can_be_parallel field up.
1876         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1877         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1878         down.
1879         (struct iv_cand): Convert pos field into a bitfield.
1880         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1881         field up.
1882         (struct _stmt_vec_info): Shuffle fields for better packing.
1883
1884 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1885
1886         * varasm.c (IN_NAMED_SECTION): Remove guard.
1887         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1888         (IN_NAMED_SECTION_P): ...this.
1889         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1890         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1891
1892 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1893
1894         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1895         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1896         of shadowing it.  Fix comments.
1897
1898 2010-04-26  Jan Hubicka  <jh@suse.cz>
1899
1900         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1901         (cgraph_clone_node): Copy function frequency.
1902         * cgraph.h (node_frequency): New enum
1903         (struct cgraph_node): Add.
1904         * final.c (rest_of_clean_state): Update.
1905         * lto-cgraph.c (lto_output_node): Output node frequency.
1906         (input_overwrite_node): Input node frequency.
1907         * tre-ssa-loop-ivopts (computation_cost): Update.
1908         * lto-streamer-out.c (output_function): Do not output function
1909         frequency.
1910         * predict.c (maybe_hot_frequency_p): Update and handle functions
1911         executed once.
1912         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1913         attribute lookup.
1914         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1915         (compute_function_frequency): Set noreturn functions to be executed
1916         once.
1917         (choose_function_section): Update.
1918         * lto-streamer-in.c (input_function): Do not input function frequency.
1919         * function.c (allocate_struct_function): Do not initialize function
1920         frequency.
1921         * function.h (function_frequency): Remove.
1922         (struct function): Remove function frequency.
1923         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1924         (try_update): Update.
1925         * tree-inline.c (initialize_cfun): Do not update function frequency.
1926         * passes.c (pass_init_dump_file): Update.
1927         * i386.c (ix86_compute_frame_layout): Update.
1928         (ix86_pad_returns): Update.
1929
1930 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1931
1932         PR tree-optimization/43833
1933         * tree-vrp.c (range_int_cst_p): New.
1934         (range_int_cst_singleton_p): New.
1935         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1936         when both operands are constants.  Use range_int_cst_p in
1937         BIT_IOR_EXPR case.
1938
1939 2010-04-26  Jan Hubicka  <jh@suse.cz>
1940
1941         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1942
1943 2010-04-26  Richard Guenther  <rguenther@suse.de>
1944
1945         PR lto/43080
1946         * gimple.c (gimple_decl_printable_name): Deal gracefully
1947         with a NULL DECL_NAME.
1948
1949 2010-04-26  Richard Guenther  <rguenther@suse.de>
1950
1951         PR lto/42425
1952         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1953         if emitting debug information and it is either a function
1954         or a namespace decl.
1955
1956 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1957
1958         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1959         determine if the statement is vectorizable, and a macro to access it.
1960         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1961         Skip statements that can't be vectorized. If the analysis fails,
1962         mark the statement as unvectorizable if vectorizing basic block.
1963         (vect_compute_data_refs_alignment): Likewise.
1964         (vect_verify_datarefs_alignment): Skip statements marked as
1965         unvectorizable. Add print.
1966         (vect_analyze_group_access): Skip statements that can't be
1967         vectorized. If the analysis fails, mark the statement as
1968         unvectorizable if vectorizing basic block.
1969         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1970         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1971         generated stmts for SLP.
1972         (new_stmt_vec_info): Initialize the new field.
1973         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1974         statements marked as unvectorizable.
1975
1976 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1977
1978         * c-common.c (flag_isoc1x): New.
1979         (flag_isoc99): Update comment.
1980         * c-common.h (flag_isoc1x): New.
1981         (flag_isoc99): Update comment.
1982         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1983         __<type>_DECIMAL_DIG__.
1984         * c-opts.c (set_std_c1x): New.
1985         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1986         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1987         * c.opt (-std=c1x, -std=gnu1x): New options.
1988         * doc/cpp.texi: Mention -std=c1x.
1989         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1990         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1991         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1992         * doc/standards.texi: Mention C1X.
1993         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1994         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1995         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1996         Define for C1X.
1997
1998 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1999
2000         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2001         placeholder from 0x%x to %#x.
2002         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2003         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2004         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2005         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2006         * config/i386/i386.c (ix86_target_string): Ditto.
2007         (output_pic_addr_const): Ditto.
2008         (print_operand): Ditto.
2009
2010 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2011
2012         * combine.c (find_split_point): Add third argument.  Use it
2013         to find nested multiply-accumulate instructions.  Adjust calls.
2014         (try_combine): Adjust call to find_split_point.
2015
2016 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2017
2018         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2019
2020 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2021
2022         PR tree-optimization/41442
2023         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2024         (fold_binary_loc): Call it.
2025
2026 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2027
2028         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2029         * opts.c (common_handle_option): Allow disabling it.
2030         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2031
2032 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2033
2034         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2035         between modes if both types are integral.
2036
2037 2010-04-23  Richard Guenther  <rguenther@suse.de>
2038
2039         PR tree-optimization/43572
2040         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2041
2042 2010-04-23  Richard Guenther  <rguenther@suse.de>
2043
2044         PR lto/43455
2045         * tree-inline.c (tree_can_inline_p): Also check compatibility
2046         of return types.
2047
2048 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2049
2050         PR tree-optimization/43846
2051         * tree-sra.c (struct access): New flag grp_assignment_read.
2052         (build_accesses_from_assign): Set grp_assignment_read.
2053         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2054         (enum mark_read_status): New type.
2055         (analyze_access_subtree): Propagate grp_assignment_read, create
2056         accesses also if both direct_read and root->grp_assignment_read.
2057
2058 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2059
2060         PR middle-end/43835
2061         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2062         function does not have type attributes.
2063
2064 2010-04-23  Richard Guenther  <rguenther@suse.de>
2065
2066         PR lto/42653
2067         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2068         of FUNCTION_DECLs.
2069
2070 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2071
2072         * sese.h (create_if_region_on_edge): Remove.
2073
2074         * sese.c (create_if_region_on_edge): Make static.
2075
2076         * tree-inline.c: Do not include ggc.h.
2077
2078         * expr.c: Do not include ggc.h.
2079
2080         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2081         dependencies.
2082
2083 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2084
2085         PR target/43744
2086         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2087         in the middle of insns for casesi_worker_2.
2088
2089 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2090
2091         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2092
2093 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2094
2095         PR tree-optimization/43842
2096         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2097         loop unrolling in update of exit phis. Fix comment.
2098         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2099         least two reduction statements in the loop before starting SLP
2100         analysis.
2101
2102 2010-04-22  Nick Clifton  <nickc@redhat.com>
2103
2104         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2105
2106 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2107
2108         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2109         to simplify a + ~a.
2110
2111 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2112
2113         * tree-parloops.c (loop_parallel_p): New argument
2114         parloop_obstack.  Pass it down.
2115         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2116         pass it down, free it.
2117
2118         * tree-loop-linear.c (linear_transform_loops): Pass down
2119         lambda_obstack.
2120
2121         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2122         of type struct obstack *.
2123
2124         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2125         scratch_obstack.  Initialize it, pass down, free it.
2126
2127         * lambda.h (lambda_loop_new): Remove.
2128         (lambda_matrix_new, lambda_matrix_inverse)
2129         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2130         argument of type struct obstack *.
2131
2132         * lambda-trans.c (lambda_trans_matrix_new): New argument
2133         lambda_obstack.  Pass it down, use obstack allocation for ret.
2134         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2135         it down.
2136
2137         * lambda-mat.c (lambda_matrix_get_column)
2138         (lambda_matrix_project_to_null): Remove.
2139         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2140         allocation for mat.
2141         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2142         lambda_obstack.
2143
2144         * lambda-code.c (lambda_loop_new): New function.
2145         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2146         (lambda_compute_auxillary_space, lambda_compute_target_space)
2147         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2148         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2149         (build_access_matrix): New argument lambda_obstack.  Use obstack
2150         allocation for am.
2151         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2152         argument lambda_obstack.  Pass it down.
2153
2154 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2155
2156         * optabs.h (expand_widening_mult): Declare.
2157
2158 2010-04-22  Richard Guenther  <rguenther@suse.de>
2159
2160         PR tree-optimization/43845
2161         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2162         lookup the CALL_EXPR function and arguments.
2163
2164 2010-04-22  Nick Clifton  <nickc@redhat.com>
2165
2166         * config/stormy16/stormy16.c
2167         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2168         * config/stormy16/stormy16.h: Tidy up formatting.
2169         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2170         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2171         (ineqbranchsi): Delete pattern.
2172         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2173         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2174         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2175         stormy16-lib2-ucmpsi2.c.
2176
2177 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2178
2179         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2180         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2181         extra set merge_set_noclobber, and use it to relax the final test
2182         slightly.
2183         * df.h (df_simulate_find_noclobber_defs): Declare.
2184         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2185         conditional defs.
2186         (df_simulate_find_noclobber_defs): New function.
2187
2188 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2189
2190         * config/i386/i386.md: Use {} around multi-line preparation statements.
2191
2192 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2193
2194         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2195         (process_init_element): New argument of type struct obstack *.
2196
2197         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2198         (set_init_index, set_init_label, set_nonincremental_init)
2199         (set_nonincremental_init_from_string, find_init_member)
2200         (output_init_element, output_pending_init_elements)
2201         (process_init_element): New argument braced_init_obstack.  Pass it
2202         down.
2203         (push_range_stack, add_pending_init): New argument
2204         braced_init_obstack.  Use obstack allocation.
2205
2206         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2207         braced_init_obstack.  Pass it down.
2208         (c_parser_braced_init): New variables ret, braced_init_obstack.
2209         Initialize obstack, pass it down and finally free it.
2210
2211 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2212
2213         PR middle-end/29274
2214         * tree-pass.h (pass_optimize_widening_mul): Declare.
2215         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2216         gate_optimize_widening_mul): New static functions.
2217         (pass_optimize_widening_mul): New.
2218         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2219         <case MULT_EXPR>: Remove support for widening multiplies.
2220         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2221         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2222         simplify_gen_unary rather than directly building extensions.
2223         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2224         WIDEN_MULT_EXPR.
2225         * expmed.c (expand_widening_mult): New function.
2226         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2227
2228 2010-04-21  Jan Hubicka  <jh@suse.cz>
2229
2230         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2231         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2232         * lto-wpa-fixup.c: Remove.
2233         * Makefile.in (lto-wpa-fixup.o): Remove.
2234         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2235         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2236         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2237
2238 2010-04-21  Jan Hubicka  <jh@suse.cz>
2239
2240         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2241         add write_optimization_summary, read_optimization_summary.
2242         (ipa_write_summaries_of_cgraph_node_set): Remove.
2243         (ipa_write_optimization_summaries): Declare.
2244         (ipa_read_optimization_summaries): Declare.
2245         * ipa-cp.c (pass_ipa_cp): Update.
2246         * ipa-reference.c (pass_ipa_reference): Update.
2247         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2248         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2249         Update.
2250         * ipa-inline.c (pass_ipa_inline): Update.
2251         * ipa.c (pass_ipa_whole_program): Update.
2252         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2253         * passes.c (ipa_write_summaries_1): Do not test wpa.
2254         (ipa_write_optimization_summaries_1): New.
2255         (ipa_write_optimization_summaries): New.
2256         (ipa_read_summaries): Do not test ltrans.
2257         (ipa_read_optimization_summaries_1): New.
2258         (ipa_read_optimization_summaries): New.
2259
2260 2010-04-21  Jan Hubicka  <jh@suse.cz>
2261
2262         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2263         for boundary nodes.
2264         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2265
2266 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2267
2268         PR debug/40040
2269         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2270         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2271
2272 2010-04-21  Jan Hubicka  <jh@suse.cz>
2273
2274         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2275
2276 2010-04-21  Jan Hubicka  <jh@suse.cz>
2277
2278         * varpool.c (decide_is_variable_needed): Variable is always needed
2279         during ltrans.
2280
2281 2010-04-21  Jan Hubicka  <jh@suse.cz>
2282
2283         * opts.c (decode_options): Enable pure-const pass for whopr.
2284
2285 2010-04-21  Jan Hubicka  <jh@suse.cz>
2286
2287         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2288         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2289         at WPA dumping.
2290         (cgraph_decide_inlining): Do not expect callee to be removed in all
2291         cases.
2292
2293 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2294
2295         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2296
2297 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2298
2299         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2300         amdfam10_decode attributes.
2301
2302 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2303
2304         PR middle-end/43570
2305         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2306         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2307         (lower_copyprivate_clauses): Use private var in outer
2308         context instead of original var.  Make sure the types
2309         are correct for VLAs.
2310
2311 2010-04-21  Richard Guenther  <rguenther@suse.de>
2312
2313         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2314         to non-pointer objects.
2315
2316 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2317
2318         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2319         last chain entry if it starts with the still current label.
2320         (add_location_or_const_value_attribute): Check that
2321         loc_list->first->next is NULL instead of comparing ->first with ->last.
2322         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2323         to add_var_loc_to_decl.
2324
2325         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2326         >= 4 add also address size and segment size fields into CIE header.
2327
2328         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2329         long as address size is the same as sizeof (void *) and
2330         segment size is 0.
2331         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2332         address size or segment size is unexpected, return DW_EH_PE_omit.
2333         (classify_object_over_fdes): If get_cie_encoding returned
2334         DW_EH_PE_omit, return -1.
2335         (init_object): If classify_object_over_fdes returned -1,
2336         pretend there were no FDEs at all.
2337
2338 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2341         bswap{si,di}2 using SWI48 mode iterator.
2342         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2343         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2344         set modrm attribute of bswap insn to 0 and remove length attribute.
2345         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2346         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2347         set mode attribute to <MODE> and remove length attribute.
2348
2349 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2350
2351         PR rtl-optimization/43520
2352         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2353         zero available registers.
2354
2355 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2356
2357         * builtins.c (fold_builtin_cproj): Fold more cases.
2358
2359 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2360
2361         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2362         (fold_builtin_1): Fold builtin cproj.
2363         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2364         Use ATTR_CONST_NOTHROW_LIST.
2365
2366 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2367
2368         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2369         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2370         ffsi2_no_cmove for !TARGET_CMOVE.
2371         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2372         (ffssi2): Remove expander.
2373         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2374         mode iterator.
2375         (ctz<mode>2): Ditto from ctz{si,di}2.
2376         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2377         mode iterator.
2378         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2379         mode iterator.
2380
2381 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2382
2383         * dwarf2out.c (AT_linkage_name): Define.
2384         (clone_as_declaration): Handle DW_AT_linkage_name.
2385         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2386         of DW_AT_MIPS_linkage_name.
2387         (move_linkage_attr): Likewise.
2388         (dwarf2out_finish): Likewise.
2389
2390 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2391
2392         PR middle-end/41952
2393         * fold-const.c (fold_comparison): New folding rule.
2394
2395 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2396
2397         * double-int.h (double_int_setbit): Declare.
2398         * double-int.c (double_int_setbit): New function.
2399         * rtl.h (immed_double_int_const): Declare.
2400         * emit-rtl.c (immed_double_int_const): New function.
2401         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2402         and immed_double_int_const functions.
2403         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2404         expand_copysign_bit):  (Ditto.).
2405         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2406         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2407         * dojump.c (prefer_and_bit_test): (Ditto.).
2408         * expr.c (convert_modes, reduce_to_bit_field_precision,
2409         const_vector_from_tree): (Ditto.).
2410         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2411
2412 2010-04-20  Jan Hubicka  <jh@suse.cz>
2413
2414         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2415         (dump_cgraph_node): Dump new flags.
2416         * cgraph.h (struct cgraph_node): Add flags
2417         reachable_from_other_partition and in_other_partition.
2418         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2419         other partition can not be removed.
2420         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2421         the other partition must be output; silence sanity checking on
2422         leaking functions bodies from other paritition.
2423         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2424         (lto_output_node): Output new flags; do not sanity check that inline
2425         clones are output; drop lto_forced_extern_inline_p code; do not mock
2426         visibility flags at partition boundaries.
2427         (add_node_to): New function.
2428         (output_cgraph): Use it to sort functions so masters appear before
2429         clones.
2430         (input_overwrite_node): Input new flags.
2431         * passes.c (ipa_write_summaries): Do not call
2432         lto_new_extern_inline_states.
2433         * lto-section-out.c (forced_extern_inline,
2434         lto_new_extern_inline_states lto_delete_extern_inline_states,
2435         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2436         * lto-streamer.h (lto_new_extern_inline_states,
2437         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2438         lto_forced_extern_inline_p): Kill.
2439
2440 2010-04-20  Richard Guenther  <rguenther@suse.de>
2441
2442         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2443         from vars that can have pointers.
2444         (process_constraint): Dump useless constraints.
2445
2446 2010-04-20  Richard Guenther  <rguenther@suse.de>
2447
2448         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2449         (dump_sa_points_to_info): Remove asserts.
2450         (init_base_vars): nothing_id isn't an escape point nor does it
2451         have pointers.
2452
2453 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2454
2455         * tree.h (TYPE_REF_IS_RVALUE): Define.
2456         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2457         should_move_die_to_comdat, prune_unused_types_walk): Handle
2458         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2459         (modified_type_die, gen_reference_type_die): Emit
2460         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2461         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2462
2463 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2464
2465         PR target/43635
2466         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2467         calls for -fpic -m31 if they have been sibcall optimized.
2468
2469 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2470
2471         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2472         ar.lc fixed and call-used.
2473
2474         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2475
2476 2010-04-19  Jan Hubicka  <jh@suse.cz>
2477
2478         * opts.c (decode_options): Disable whpr incompatible passes.
2479         * lto/lto.c (lto_1_to_1_map): Skip clones.
2480         (read_cgraph_and_symbols): Do not mark everything as needed.
2481         (do_whole_program_analysis): Do map only after optimizing;
2482         set proper cgraph_state; use passmanager.
2483
2484 2010-04-19  DJ Delorie  <dj@redhat.com>
2485
2486         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2487         POINTER_PLUS_EXPR and fix them.
2488
2489 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2490
2491         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2492         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2493         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2494         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2495         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2496         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2497         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2498         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2499         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2500         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2501         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2502
2503 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2504
2505         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2506         (check_cond_move_block): Likewise.
2507         (cond_move_process_if_block): Likewise.
2508         (noce_find_if_block): Improve formatting.
2509         (find_if_header): Pass 0 to memset and tweak conditions.
2510         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2511
2512 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2513
2514         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2515         for -gdwarf-4.
2516
2517         PR middle-end/43337
2518         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2519         with non-local decl doesn't need chain.
2520
2521 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2522
2523         * ira-color.c (allocno_reload_assign): Avoid accumulating
2524         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2525
2526 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2527
2528         * gimple.h (create_tmp_reg): Declare.
2529         * gimplify.c (create_tmp_reg): New function.
2530         (gimplify_return_expr): Use create_tmp_reg.
2531         (gimplify_omp_atomic): Likewise.
2532         (gimple_regimplify_operands): Likewise.
2533         * tree-dfa.c (make_rename_temp): Likewise.
2534         * tree-predcom.c (predcom_tmp_var): Likewise.
2535         (reassociate_to_the_same_stmt): Likewise.
2536         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2537         (get_replaced_param_substitute): Likewise.
2538         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2539         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2540         * tree-ssa-pre.c (get_representative_for): Likewise.
2541         (create_expression_by_pieces): Likewise.
2542         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2543         (create_tailcall_accumulator): Likewise.
2544
2545 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2546
2547         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2548         new_stmt.
2549         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2550
2551 2010-04-19  Richard Guenther  <rguenther@suse.de>
2552
2553         PR tree-optimization/43796
2554         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2555         from SCEV in the lattice.
2556         (vrp_visit_phi_node): Dump change.
2557
2558 2010-04-19  Richard Guenther  <rguenther@suse.de>
2559
2560         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2561         * configure: Re-generated.
2562
2563 2010-04-19  Richard Guenther  <rguenther@suse.de>
2564
2565         PR tree-optimization/43783
2566         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2567         constant ARRAY_REF operands two and three if possible.
2568
2569 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2570
2571         PR target/43766
2572         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2573
2574 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2575
2576         PR target/43662
2577         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2578
2579 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2580
2581         PR tree-optimization/37027
2582         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2583         and macro to access it.
2584         (vectorizable_reduction): Add argument.
2585         (vect_get_slp_defs): Likewise.
2586         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2587         statements for possible use in SLP.
2588         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2589         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2590         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2591         add new argument.
2592         (vectorizable_reduction): Likewise.
2593         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2594         vect_get_slp_defs.
2595         (vectorizable_type_demotion, vectorizable_type_promotion,
2596         vectorizable_store): Likewise.
2597         (vect_analyze_stmt): Update call to vectorizable_reduction.
2598         (vect_transform_stmt): Likewise.
2599         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2600         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2601         from different interleaving chains in same node.
2602         (vect_slp_rearrange_stmts): New function.
2603         (vect_supported_load_permutation_p): Allow load permutations for
2604         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2605         inside SLP nodes if necessary.
2606         (vect_analyze_slp_instance): Handle reductions.
2607         (vect_analyze_slp): Try to build SLP instances originating from groups
2608         of reductions.
2609         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2610         (vect_get_constant_vectors): Create initial vectors for reductions
2611         according to reduction code. Add new argument.
2612         (vect_get_slp_defs): Add new argument, pass it to
2613         vect_get_constant_vectors.
2614         (vect_schedule_slp_instance): Remove SLP tree root statements.
2615
2616 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2617
2618         * tree.h (ENUM_IS_SCOPED): Define.
2619         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2620         for ENUM_IS_SCOPED enums.
2621
2622 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2623
2624         * fold-const.c (fold_comparison): Use ssizetype.
2625         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2626         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2627         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2628         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2629
2630         * tree.h (initialize_sizetypes): Remove parameter.
2631         (build_common_tree_nodes): Remove second parameter.
2632         * stor-layout.c (initialize_sizetypes): Remove parameter.
2633         Always create an unsigned type.
2634         (set_sizetype): Assert that the passed type is unsigned and simplify.
2635         * tree.c (build_common_tree_nodes): Remove second parameter.
2636         Adjust call to initialize_sizetypes.
2637         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2638         build_common_tree_nodes.
2639
2640 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2641
2642         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2643
2644 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2645
2646         PR tree-optimization/43771
2647         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2648         load permutation doesn't have gaps.
2649
2650 2010-04-18  Jan Hubicka  <jh@suse.cz>
2651
2652         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2653         (sse_prologue_save_insn expander): Use new pattern.
2654         (sse_prologue_save_insn1): New pattern and splitter.
2655         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2656         blocks.
2657         * i386.c (setup_incoming_varargs_64): Do not compute jump
2658         destination here.
2659         (ix86_gimplify_va_arg): Update alignment needed.
2660         (ix86_local_alignment): Do not align all local arrays to 128bit.
2661
2662 2010-04-17  Jan Hubicka  <jh@suse.cz>
2663
2664         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2665
2666 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2667
2668         * arm.md (negdi2): Remove redundant code to force values into a
2669         register.
2670
2671 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2672
2673         * arm/bpabi.S: Add EABI alignment attributes to objects.
2674         * arm/bpabi-v6m.S: Likewise.
2675         * arm/crti.asm: Likewise.
2676         * arm/crtn.asm: Likewise.
2677         * arm/lib1funcs.asm: Likewise.
2678         * arm/libunwind.S: Likewise.
2679
2680 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2681
2682         * arm-protos.h (tune_params): New structure.
2683         * arm.c (current_tune): New variable.
2684         (arm_constant_limit): Delete.
2685         (struct processors): Add pointer to the tune parameters.
2686         (arm_slowmul_tune): New tuning option.
2687         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2688         (all_cores): Adjust to pick up the tuning model.
2689         (arm_constant_limit): New function.
2690         (arm_override_options): Select the appropriate tuning model.  Delete
2691         initialization of arm_const_limit.
2692         (arm_split_constant): Use the new constant-limit model.
2693         (arm_rtx_costs): Pick up the current tuning model.
2694         * arm.md (is_strongarm, is_xscale): Delete.
2695         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2696         for Xscale variant architectures.
2697         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2698
2699 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2700
2701         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2702         can_shift.
2703         (arm_rtx_costs_1): Remove unused variable extra_cost.
2704         (arm_unwind_emit_set): Use variable offset.
2705         (thumb1_output_casesi): Remove unused variable flags.
2706
2707 2010-04-16  Jeff Law  <law@redhat.com>
2708
2709         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2710         needing assignment rather than doing a two-phase assignment.  Remove
2711         unused variable 'm'.
2712
2713 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2714
2715         PR bootstrap/43767
2716         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2717
2718 2010-04-16  Doug Kwan  <dougkwan@google.com>
2719
2720         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2721         (next_operand_entry_id): New static variable.
2722         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2723         (add_to_ops_vec): Assigned unique ID to operand entry.
2724         (struct oecount_s): New field ID.
2725         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2726         (undistribute_ops_list): Assign unique IDs to oecounts.
2727         (init_reassoc): reset next_operand_entry_id.
2728
2729 2010-04-16  Doug Kwan  <dougkwan@google.com>
2730
2731         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2732         missing left parenthesis.
2733
2734 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2735
2736         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2737         *btdi_rex64 using SWI48 mode iterator.
2738         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2739         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2740         *jcc_btdi_mask_rex64.
2741
2742 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2743
2744         * double-int.h (tree_to_double_int): Convert to macro.
2745         * double-int.c (tree_to_double_int): Remove.
2746
2747 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2748
2749         PR debug/43762
2750         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2751         with want_address 2 and in case a single element list might be
2752         possible, call it again with want_address 0.
2753
2754 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2755
2756         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2757         case 'W' print operands for HI mode.
2758         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2759         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2760         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2761         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2762
2763         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2764
2765         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2766         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2767         #xx:3 and #xx:4 mode.
2768
2769         * config/h8300/h8300.md (inverted load with HImode dest): Add
2770         support for H8300SX.
2771
2772         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2773         satisfy 'U' constraint.
2774
2775 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2776
2777         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2778         * configure: Regenerate.
2779         * config.in: Regenerate.
2780         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2781         works.
2782
2783 2010-04-16  Richard Guenther  <rguenther@suse.de>
2784
2785         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2786         (struct tree_decl_common): ... here.
2787         (DECL_PT_UID): Adjust.
2788         (SET_DECL_PT_UID): Likewise.
2789         (DECL_PT_UID_SET_P): Likewise.
2790
2791 2010-04-16  Richard Guenther  <rguenther@suse.de>
2792
2793         PR tree-optimization/43572
2794         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2795         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2796         * tree-flow.h (is_call_clobbered): Remove.
2797         * tree-flow-inline.h (is_call_clobbered): Likewise.
2798         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2799         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2800         (execute_return_slot_opt): Adjust.
2801         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2802         check for call clobbered vars here.
2803         (find_tail_calls): Move tailcall verification to the
2804         proper place.
2805
2806 2010-04-16  Diego Novillo  <dnovillo@google.com>
2807
2808         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2809
2810 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2811
2812         PR target/40603
2813         * config/arm/arm.md (cbranchqi4): New pattern.
2814         * config/arm/predicates.md (const0_operand,
2815         cbranchqi4_comparison_operator): New predicates.
2816
2817 2010-04-16  Richard Guenther  <rguenther@suse.de>
2818
2819         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2820         (dump_gimple_stmt): Likewise.
2821
2822 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2823
2824         * recog.h (struct recog_data): New field is_operator.
2825         (struct insn_operand_data): New field is_operator.
2826         * recog.c (extract_insn): Set recog_data.is_operator.
2827         * genoutput.c (output_operand_data): Emit code to set the
2828         is_operator field.
2829         * reload.c (find_reloads): Use it rather than testing for an
2830         empty constraint string.
2831
2832         PR target/41514
2833         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2834         If the previous insn is a cbranchsi4_insn with the same arguments,
2835         omit the compare instruction.
2836
2837         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2838         register, inputs must be low registers and we need a low register
2839         scratch.  Handle alternative 2 like alternative 3.
2840
2841 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2842
2843         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2844         don't call get_addr on both.  If one expression is a VALUE and
2845         the other a REG, check VALUE's locs if the REG isn't among them.
2846
2847 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2848
2849         * config/sh/sh.h (sh_frame_pointer_required): New function.
2850         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2851         (flag_omit_frame_pointer) Set.
2852         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2853         (rounded_frame_size): Adjust size with outgoing_args_size.
2854         (sh_set_return_address): Must return from stack pointer.
2855         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2856         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2857         (ACCUMULATE_OUTGOING_ARGS): Define.
2858         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2859         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2860
2861 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2862
2863         PR target/43471
2864         * config/sh/sh.c (sh_legitimize_reload_address): Use
2865         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2866         Remove a unneeded check for offset_base.
2867
2868 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2869
2870         * configure: Regenerated.
2871
2872 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2873
2874         * config/s390/s390.c (s390_call_save_register_used): Switch back
2875         to HARD_REGNO_NREGS.
2876
2877 2010-04-15  Richard Guenther  <rguenther@suse.de>
2878
2879         * alias.c (alias_set_subset_of): Handle alias-set zero
2880         child properly.
2881
2882 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2883             Julian Brown  <julian@codesourcery.com>
2884
2885         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2886         alternatives according to use of high and low regs.
2887         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2888         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2889         optimizing for size on Thumb-2.
2890
2891 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2892
2893         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2894
2895 2010-04-15  Richard Guenther  <rguenther@suse.de>
2896
2897         * tree-ssa-structalias.c (struct variable_info): Add
2898         is_fn_info flag.
2899         (new_var_info): Initialize it.
2900         (dump_constraints): Support printing last added constraints.
2901         (debug_constraints): Adjust.
2902         (dump_constraint_graph): Likewise.
2903         (make_heapvar_for): Check for NULL cfun.
2904         (get_function_part_constraint): New function.
2905         (get_fi_for_callee): Likewise.
2906         (find_func_aliases): Properly implement IPA PTA constraints.
2907         (process_ipa_clobber): New function.
2908         (find_func_clobbers): Likewise.
2909         (insert_into_field_list_sorted): Remove.
2910         (create_function_info_for): Properly allocate vars for IPA mode.
2911         Do not use insert_into_field_list_sorted.
2912         (create_variable_info_for): Properly generate constraints for
2913         global vars in IPA mode.
2914         (dump_solution_for_var): Always dump the solution.
2915         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2916         (find_what_var_points_to): Adjust.
2917         (pt_solution_set): Change.
2918         (pt_solution_ior_into): New function.
2919         (pt_solution_empty_p): Export.
2920         (pt_solution_includes_global): Adjust.
2921         (pt_solution_includes_1): Likewise.
2922         (pt_solutions_intersect_1): Likewise.
2923         (dump_sa_points_to_info): Check some invariants.
2924         (solve_constraints): Move constraint dumping ...
2925         (compute_points_to_sets): ... here.
2926         (ipa_pta_execute): ... and here.
2927         (compute_may_aliases): Do not re-compute points-to info
2928         locally if IPA info is available.
2929         (ipa_escaped_pt): New global var.
2930         (ipa_pta_execute): Properly implement IPA PTA.
2931         * tree-into-ssa.c (dump_decl_set): Support dumping
2932         decls not in referenced-vars.
2933         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2934         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2935         (dump_points_to_solution): Likewise.
2936         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2937         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2938         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2939         (copy_decl_to_var): Copy DECL_PT_UID.
2940         (copy_result_decl_to_var): Likewise.
2941         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2942         (copy_node_stat): Copy it.
2943         * tree.h (DECL_PT_UID): New macro.
2944         (SET_DECL_PT_UID): Likewise.
2945         (DECL_PT_UID_SET_P): Likewise.
2946         (struct tree_decl_minimal): Add pt_uid member.
2947         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2948         (pt_solution_empty_p): Declare.
2949         (pt_solution_set): Adjust.
2950         (ipa_escaped_pt): Declare.
2951         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2952         * gimple-pretty-print.c (pp_points_to_solution): New function.
2953         (dump_gimple_call): Dump call clobber/use information.
2954         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2955         * tree-pass.h (TDF_ALIAS): New dump option.
2956         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2957         * doc/invoke.texi (-fipa-pta): Update documentation.
2958
2959 2010-04-15  Richard Guenther  <rguenther@suse.de>
2960
2961         * Makefile.in (OBJS-common): Add gimple-fold.o.
2962         (gimple-fold.o): New rule.
2963         * tree.h (maybe_fold_offset_to_reference,
2964         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2965         prototypes ...
2966         * gimple.h: ... here.
2967         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2968         may_propagate_address_into_dereference): Move prototypes ...
2969         * gimple.h: ... here.
2970         * tree-ssa-ccp.c (get_symbol_constant_value,
2971         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2972         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2973         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2974         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2975         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2976         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2977         gimplify_and_update_call_from_tree): Move ...
2978         * gimple-fold.c: ... here.  New file.
2979         (ccp_fold_builtin): Rename to ...
2980         (gimple_fold_builtin): ... this.
2981         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2982
2983 2010-04-15  Richard Guenther  <rguenther@suse.de>
2984
2985         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2986         fit_double_type, force_fit_type_double, add_double_with_sign,
2987         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2988         lrotate_double, rrotate_double, div_and_round_double): Move ...
2989         * double-int.c: ... here.
2990         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2991         add_double, neg_double, mul_double_with_sign, mul_double,
2992         lshift_double, rshift_double, lrotate_double, rrotate_double,
2993         div_and_round_double): Move prototypes ...
2994         * double-int.h: ... here.
2995
2996 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2997
2998         PR target/43742
2999         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3000         matching constraints to ensure inputs match the output.
3001
3002 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3003
3004         PR target/43742
3005         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3006         in an input-only operand.
3007
3008 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3009
3010         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3011         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3012         (double_int_negative_p): Convert to static inline function.
3013         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3014         (double_int_negative_p): Remove.
3015         * tree.h (lshift_double, rshift_double):
3016         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3017         * fold-const.c (fold_convert_const_int_from_real,
3018         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3019         (lshift_double): Change type of arith argument to bool.
3020         (rshift_double): Change type of arith argument to bool. Correct
3021         comment.
3022         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3023
3024 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3025
3026         PR target/21803
3027         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3028         at the start and end of the then/else blocks, and omit them from the
3029         conversion.
3030         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3031         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3032         (flow_find_head_matching_sequence): New function.
3033         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3034         * basic-block.h (flow_find_cross_jump,
3035         flow_find_head_matching_sequence): Declare functions.
3036
3037 2010-04-14  Jason Merrill  <jason@redhat.com>
3038
3039         PR c++/36625
3040         * c-common.c (attribute_takes_identifier_p): New fn.
3041         * c-common.h: Declare it.
3042
3043 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3044
3045         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3046         splitter condition.
3047         (*udivmod<mode>4): Ditto.
3048
3049 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3050
3051         * config/i386/i386.md (maxmin_int): Rename code attribute from
3052         maxminiprefix and update all users.
3053         (maxmin_float): Ditto from maxminfprefix.
3054         (logic): Ditto from logicprefix.
3055         (absneg_mnemonic): Ditto from absnegprefix.
3056         * config/i386/mmx.md: Update all users of maxminiprefix,
3057         maxminfprefix and logicprefix for rename.
3058         * config/i386/sse.md: Ditto.
3059         * config/i386/sync.md (sync_<code><mode>): Update for
3060         logicprefix rename.
3061
3062 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3063
3064         PR 42966
3065         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3066         warnings converted to errors.
3067
3068 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3069
3070         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3071         used insn_type variable.
3072         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3073         to avoid set-but-not-used warning.
3074
3075 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3076
3077         * df-core.c (df_ref_debug): Change format string placeholder
3078         from 0x%x to %#x.
3079         * dwarf2asm.c (dw2_asm_output_data_raw,
3080         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3081         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3082         * dwarf2out.c (output_cfi, output_cfi_directive,
3083         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3084         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3085         Ditto.
3086         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3087         * print-rtl.c (print_rtx): Ditto.
3088
3089 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3090
3091         PR middle-end/42694
3092         * builtins.c (expand_builtin_pow_root): New function to expand pow
3093         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3094         series of sqrt and cbrt calls under -ffast-math.
3095         (expand_builtin_pow): Call it.
3096
3097 2010-04-14  Michael Matz  <matz@suse.de>
3098
3099         PR tree-optimization/42963
3100         * tree-cfg.c (touched_switch_bbs): New static variable.
3101         (group_case_labels_stmt): New function broken out from ...
3102         (group_case_labels): ... here, use the above.
3103         (start_recording_case_labels): Allocate touched_switch_bbs.
3104         (end_recording_case_labels): Deallocate it, call
3105         group_case_labels_stmt.
3106         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3107
3108 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3109
3110         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3111         from insn template.
3112
3113 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3116
3117 2010-04-13  Jan Hubicka  <jh@suse.cz>
3118
3119         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3120         of optimized out static functions.
3121         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3122         cost computation.  Also sanity check for overflows.
3123         (update_caller_keys): Update cgraph_edge_badness call; properly
3124         update fibheap and sanity check that it is up to date.
3125         (add_new_edges_to_heap): Update cgraph_edge_badness.
3126         (cgraph_decide_inlining_of_small_function): Likewise;
3127         add sanity checking that badness in heap is up to date;
3128         improve dumping of reason; Update badness of calls to the
3129         offline copy of function currently inlined; dump badness
3130         of functions not inlined because of unit growth limits.
3131
3132 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3133
3134         PR middle-end/32628
3135         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3136         because of sign-extension change when converting to sizetype here...
3137         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3138
3139         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3140         the folding to constants.  Remove redundant final conversion.
3141         (fold_binary) <associate>: Do not associate if the re-association of
3142         constants alone overflows.
3143         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3144         to the end of the list.
3145         (multiple_of_p) <COND_EXPR>: New case.
3146
3147 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3148
3149         * opt-functions.awk (opt_sanitized_name): New.
3150         (opt_enum): New.
3151         * optc-gen.awk: Use it
3152         * opth-gen.awk: Use it.
3153
3154 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3155
3156         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3157         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3158         children.  Call replace_uses_with_default_def_ssa_name to handle
3159         SSA_NAES on lhs.
3160
3161 2010-04-13  Michael Matz  <matz@suse.de>
3162
3163         PR middle-end/43730
3164         * builtins.c (expand_builtin_interclass_mathfn): Also create
3165         a register if the predicate doesn't match.
3166
3167 2010-04-13  Diego Novillo  <dnovillo@google.com>
3168
3169         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3170         * c-pch.c: Include timevar.h.
3171         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3172         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3173         * ggc-common.c: Include timevar.h.
3174         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3175         * timevar.def (TV_PCH_SAVE): Define.
3176         (TV_PCH_CPP_SAVE): Define.
3177         (TV_PCH_PTR_REALLOC): Define.
3178         (TV_PCH_PTR_SORT): Define.
3179         (TV_PCH_RESTORE): Define.
3180         (TV_PCH_CPP_RESTORE): Define.
3181
3182 2010-04-13  Michael Matz  <matz@suse.de>
3183
3184         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3185         into MINUS_EXPRs.
3186         (can_reassociate_p): New function.
3187         (break_up_subtract_bb, reassociate_bb): Use it.
3188
3189 2010-04-13  Richard Guenther  <rguenther@suse.de>
3190
3191         PR bootstrap/43737
3192         * builtins.c (c_readstr): Fix assert.
3193
3194 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3195
3196         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3197         when generating cltd insn.
3198
3199         (*ashl<mode>3_1): Remove special handling for register operand 2.
3200         (*ashlsi3_1_zext): Ditto.
3201         (*ashlhi3_1): Ditto.
3202         (*ashlhi3_1_lea): Ditto.
3203         (*ashlqi3_1): Ditto.
3204         (*ashlqi3_1_lea): Ditto.
3205         (*<shiftrt_insn><mode>3_1): Ditto.
3206         (*<shiftrt_insn>si3_1_zext): Ditto.
3207         (*<shiftrt_insn>qi3_1_slp): Ditto.
3208         (*<rotate_insn><mode>3_1): Ditto.
3209         (*<rotate_insn>si3_1_zext): Ditto.
3210         (*<rotate_insn>qi3_1_slp): Ditto.
3211
3212 2010-04-13  Richard Guenther  <rguenther@suse.de>
3213
3214         * tree-ssa-structalias.c (callused_id): Remove.
3215         (call_stmt_vars): New.
3216         (get_call_vi): Likewise.
3217         (lookup_call_use_vi): Likewise.
3218         (lookup_call_clobber_vi): Likewise.
3219         (get_call_use_vi): Likewise.
3220         (get_call_clobber_vi): Likewise.
3221         (make_transitive_closure_constraints): Likewise.
3222         (handle_const_call): Adjust to do per-call call-used handling.
3223         (handle_pure_call): Likewise.
3224         (find_what_var_points_to): Remove general callused handling.
3225         (init_base_vars): Likewise.
3226         (init_alias_vars): Initialize call_stmt_vars.
3227         (compute_points_to_sets): Process call-used and call-clobbered
3228         vars for call statements.
3229         (delete_points_to_sets): Free call_stmt_vars.
3230
3231 2010-04-13  Richard Guenther  <rguenther@suse.de>
3232
3233         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3234         Only add RW dependence for dependence distance zero.
3235         Adjust maximal vectorization factor according to dependences.
3236         Move alignment handling ...
3237         (vect_find_same_alignment_drs): ... here.  New function.
3238         (vect_analyze_data_ref_dependences): Adjust.
3239         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3240         (vect_analyze_data_refs): Adjust minimal vectorization factor
3241         according to data references.
3242         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3243         dependences before determining the vectorization factor.
3244         Analyze alignment after determining the vectorization factor.
3245         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3246         dependences before alignment.
3247         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3248         Adjust prototype.
3249         (vect_analyze_data_refs): Likewise.
3250         (MAX_VECTORIZATION_FACTOR): New define.
3251
3252 2010-04-13  Duncan Sands  <baldrick@free.fr>
3253
3254         * except.h (lang_eh_type_covers): Remove.
3255         * except.c (lang_eh_type_covers): Likewise.
3256
3257 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3258             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3259
3260         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3261         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3262         UNITS_PER_LONG where it is ABI relevant.
3263         (s390_return_addr_rtx): Likewise.
3264         (s390_back_chain_rtx): Likewise.
3265         (s390_frame_area): Likewise.
3266         (s390_frame_info): Likewise.
3267         (s390_initial_elimination_offset): Likewise.
3268         (save_gprs): Likewise.
3269         (s390_emit_prologue): Likewise.
3270         (s390_emit_epilogue): Likewise.
3271         (s390_function_arg_advance): Likewise.
3272         (s390_function_arg): Likewise.
3273         (s390_va_start): Likewise.
3274         (s390_gimplify_va_arg): Likewise.
3275         (s390_function_profiler): Likewise.
3276         (s390_optimize_prologue): Likewise.
3277         (s390_rtx_costs): Likewise.
3278         (s390_secondary_reload): Likewise.
3279         (s390_promote_function_mode): Likewise.
3280         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3281         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3282         registers available.
3283         (s390_unwind_word_mode): New function.
3284         (s390_function_value): Split 64 bit values into register pair if
3285         used as return value.
3286         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3287         function call parameters.  Handle parallels.
3288         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3289         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3290         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3291         (s390_expand_setmem): Remove unused variable src_addr.
3292         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3293         deal with 64 bit registers.
3294         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3295         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3296         (UNITS_PER_LONG): New macro.
3297         * libjava/include/s390-signal.h: Define extended ucontext
3298         structure containing the upper halfs of the 64 bit registers.
3299
3300 2010-04-13  Simon Baldwin  <simonb@google.com>
3301
3302         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3303
3304 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3305
3306         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3307         rvalue on the RHS if the LHS is of a non-renamable type.
3308         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3309
3310 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3311
3312         * gcc.c (cc1_options): Handle -iplugindir before processing
3313         the cc1 spec. Only add -iplugindir once.
3314         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3315         found.
3316         * common.opt (iplugindir): Remove `Separate' property, initialize.
3317         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3318         option.
3319         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3320         (distclean): Remove plugin dir.
3321         * doc/invoke.texi: Document -iplugindir.
3322
3323 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3324
3325         * doc/plugins.texi (Loading Plugins): Document short
3326         -fplugin=foo option.
3327         (Plugin API): Mention default_plugin_dir_name function.
3328
3329         * gcc.c (find_file_spec_function): Add new declaration.
3330         (static_spec_func): Use it for "find-file".
3331         (find_file_spec_function): Add new function.
3332         (cc1_options): Add -iplugindir option if -fplugin* options found.
3333
3334         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3335
3336         * plugin.c (add_new_plugin): Updated comment, and handle short
3337         plugin name.
3338         (default_plugin_dir_name): Added new function.
3339
3340         * common.opt (iplugindir): New option to set the plugin directory.
3341
3342 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3343
3344         * config/i386/i386.md (any_rotate): New code iterator.
3345         (rotate_insn): New code attribute.
3346         (rotate): Ditto.
3347         (SWIM124): New mode iterator.
3348         (<rotate_insn>ti3): New expander.
3349         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3350         any_rotate code iterator.
3351         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3352         using any_rotate code iterator and SWIM124 mode iterator.
3353         (ix86_rotlti3): New insn_and_split pattern.
3354         (ix86_rotrti3): Ditto.
3355         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3356         ix86_rotl{di,ti}3 patterns.
3357         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3358         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3359         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3360         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3361         code iterator and SWI mode iterator.
3362         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3363         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3364         code iterator.
3365         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3366         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3367         (bswap rotatert splitter): Add splitter.
3368         (bswap splitter): Macroize splitter using any_rotate code iterator.
3369         Add insn predicate to split only for TARGET_USE_XCHGB or when
3370         optimizing function for size.
3371
3372 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3373
3374         * config/pa/pa.c (emit_move_sequence): Remove use of
3375         deleted variable flag_argument_noalias.
3376
3377 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3378
3379         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3380         configurations.
3381         Add to unsupported targets list.
3382         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3383         sparc*-sun-solaris2.[567]* from target lists.
3384         * configure: Regenerate.
3385         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3386         removal.
3387         Remove Solaris 7 patch references.
3388         (Specific, sparc-sun-solaris2.7): Removed.
3389         (sparc-sun-solaris2*): Update Solaris 7 example.
3390         (sparc64-*-solaris2*): Likewise.
3391
3392 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3393
3394         * config.build (alpha*-dec-osf4*): Remove.
3395         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3396         of obsolete configurations.
3397         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3398         support.
3399         * config/alpha/t-osf4: Renamed to ...
3400         * config/alpha/t-osf5: ... this.
3401         * config/alpha/osf.h: Renamed to ...
3402         * config/alpha/osf5.h: ... this.
3403         Merged old osf5.h contents.
3404         Update comments.
3405         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3406         (EXTRA_SPECS): Removed.
3407         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3408         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3409         Document that.
3410
3411 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3412
3413         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3414
3415 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3416
3417         PR/43702
3418         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3419         __thiscall convention.
3420
3421 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3422
3423         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3424         orig_base.
3425         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3426
3427 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3428
3429         * function.c (assign_parms_initialize_all): Add unused attribute
3430         to fntype.
3431
3432 2010-04-12  Richard Guenther  <rguenther@suse.de>
3433
3434         * gsstruct.def (GSS_CALL): New.
3435         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.