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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
2
3         * target.h (struct gcc_target): Add mode_dependent_address_p field.
4         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
5         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
6         * targhooks.c (default_mode_dependent_address_p): New function.
7         * targhooks.h (default_mode_dependent_address_p): Declare function.
8         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
9         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
10         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
11         target hook. Change return type to bool.
12         * recog.h: (mode_dependent_address_p): Change return type to bool.
13
14 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
15             Nathan Froyd  <froydnj@codesourcery.com>
16
17         * tree-mudflap.c (build_function_type_0, build_function_type_1,
18         build_function_type_2, build_function_type_3): Remove.
19         (mudflap_init): Use build_function_type_list.
20
21 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
22             Nathan Froyd  <froydnj@codesourcery.com>
23
24         * coverage.c (build_fn_info_value): Call build_constructor instead of
25         build_constructor_from_list.
26         (build_ctr_info_value): Likewise.
27         (build_gcov_info): Likewise.
28
29 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
30
31         * tree.c (build_constructor): Compute TREE_CONSTANT for the
32         resultant constructor.
33         (build_constructor_single): Don't set TREE_CONSTANT.
34         (build_constructor_from_list): Don't compute TREE_CONSTANT.
35
36 2010-05-12  Jan Hubicka  <jh@suse.cz>
37
38         * cgraph.h (struct varpool_node): Add aux.
39         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
40         * varpool.c (varpool_remove_node): Do not remove initializer.
41         (varpool_reset_queue): Export.
42         (varpool_finalize_decl): Volatile vars are forced to be output.
43         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
44         replaced decl.
45         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
46         process_references, varpool_can_remove_if_no_refs): New functions.
47         (cgraph_remove_unreachable_nodes): Handle variables too.
48
49 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
50
51         PR target/44088
52         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
53
54 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
55
56         PR middle-end/44085
57         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
58         change value of ORT_TASK.
59         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
60         (omp_notice_threadprivate_variable): New function.
61         (omp_notice_variable): Call it for threadprivate variables.
62         If enclosing ctx is a task, print enclosing task rather than
63         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
64         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
65         if task has untied clause.
66
67         PR debug/42278
68         * dwarf2out.c (base_type_die): Don't add name attribute here.
69         (modified_type_die): Instead of sizetype use
70         its underlying original type.  If a DW_TAG_base_type doesn't
71         have name added, add __unknown__.
72         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
73         always call force_type_die instead.
74
75 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
76
77         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
78         for __stack_chk_guard.
79
80 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
81
82         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
83         don't call start_source_file debug hook here...
84         (finish_options): ... but here, after outputting predefined and
85         command line defines and undefs.
86
87         PR middle-end/44071
88         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
89         no fallthru edge.
90         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
91         optimizing away empty bb with no successors, move over its
92         footer chain to fallthru predecessor.
93         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
94         (rtl_split_edge): For asm goto call patch_jump_insn even if
95         splitting fallthru edge.
96
97         PR c++/44059
98         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
99         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
100         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
101         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
102         on DW.ref.* decls.
103
104         PR c++/44062
105         * c-parser.c (c_parser_expression): Mark LHS of a comma
106         expression as read if it is a decl, handled component or
107         COMPOUND_EXPR with that on the RHS.
108         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
109         if it is a decl or handled component.
110
111 2010-05-11  Jan Hubicka  <jh@suse.cz>
112
113         * lto-symtab.c (lto_symtab_free): New function.
114         * lto-streamer.h (lto_symtab_free): Declare.
115
116 2010-05-11  Jan Hubicka  <jh@suse.cz>
117
118         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
119         that if function is needed it is reachable.
120         (lto_output_node): See if it the function is reachable or referenced.
121         (output_cgraph): Update call of lto_output_node.
122         * lto-streamer.h (reachable_from_other_partition_p): Declare.
123
124 2010-05-11  Jan Hubicka  <jh@suse.cz>
125
126         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
127         Mark as used.
128
129 2010-05-11  Jan Hubicka  <jh@suse.cz>
130
131         PR tree-optimize/44063
132         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
133         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
134         limits.
135         (estimate_function_body_sizes): Compute sizes even when disregarding.
136
137 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
138
139         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
140
141 2010-05-11  Jan Hubicka  <jh@suse.cz>
142
143         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
144         into every boundary.
145
146 2010-05-11  Jan Hubicka  <jh@suse.cz>
147
148         * matrix-reorg.c (matrix_reorg): Rebuild edges.
149
150 2010-05-11  Jan Hubicka  <jh@suse.cz>
151
152         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
153         lto_streamer_cache_delete): Put nodes into heap.
154         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
155         heap.
156
157 2010-05-11  Jan Hubicka  <jh@suse.cz>
158
159         * cgraphbuild.c (cgraph_rebuild_references): New.
160         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
161         out extern inlines.
162         * cgraph.h (cgraph_rebuild_references): Declare.
163         * tree-inline.c (tree_function_versioning): Use it.
164         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
165
166 2010-05-11  Jan Hubicka  <jh@suse.cz>
167
168         * cgraph.c: Include ipa-utils.h
169         (cgraph_create_virtual_clone): Update references.
170         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
171
172 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
173
174         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
175         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
176         cache size.
177
178 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
179
180         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
181
182 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
183
184         * gcc.c (execute): For -### don't quote arguments that
185         contain just alphanumerics and _/-. characters.
186         * doc/invoke.texi: Document that change for -###.
187
188         PR debug/44023
189         * df-problems.c (struct dead_debug): Add to_rescan field.
190         (dead_debug_init): Clear to_rescan field.
191         (dead_debug_finish): Rescan all debug insns in to_rescan
192         bitmap and free the bitmap.
193         (dead_debug_insert_before): Instead of rescanning debug insns
194         immediately queue their rescanning until dead_debug_finish.
195         (df_note_bb_compute): After dead_debug_add do continue instead
196         of break.
197
198 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
199
200         PR debug/44028
201         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
202         clear also INSN_REG_USE_LIST.
203
204 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
205
206         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
207
208 2010-05-10  Jan Hubicka  <jh@suse.cz>
209
210         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
211
212 2010-05-10  Jan Hubicka  <jh@suse.cz>
213
214         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
215         encoders.
216         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
217         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
218         (lto_streamer_cache_create): Init alloc pool.
219         (lto_streamer_cache_delete): Free alloc pool.
220         * lto-streamer.h: Include alloc pool.
221         (lto_streamer_cache_d): Use alloc pool.
222         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
223
224 2010-05-10  Jan Hubicka  <jh@suse.cz>
225
226         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
227         * cgraphbuild.c: Include except.h
228         (record_type_list, record_eh_tables): New function.
229         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
230
231 2010-05-10  Jan Hubicka  <jh@suse.cz>
232
233         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
234         __frame_dummy_init_array_entry, force_to_data): Attribute as used
235         rather than unused.
236
237 2010-05-10  Michael Matz  <matz@suse.de>
238
239         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
240         (can_reassociate_p): Use FLOAT_TYPE_P.
241         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
242         (vect_force_simple_reduction): ... this.
243         * tree-parloops.c (gather_scalar_reductions): Use
244         vect_force_simple_reduction.
245         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
246         vect_is_simple_reduction, add modify argument, if true rewrite
247         "a-b" into "a+(-b)".
248         (vect_is_simple_reduction, vect_force_simple_reduction): New
249         functions.
250         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
251
252 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
253             Vladimir Makarov  <vmakarov@redhat.com>
254
255         PR rtl-optimization/44012
256         * ira-build.c (remove_unnecessary_allocnos): Nullify
257         regno_allocno_map of the removed allocno.
258
259 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
260
261         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
262         to /dev/null.
263         * configure: Regenerate.
264
265 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
266
267         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
268         unused.
269         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
270         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
271         support in Sun ld.
272         * configure: Regenerate.
273
274 2010-05-10  Richard Guenther  <rguenther@suse.de>
275
276         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
277         marked if the entry identifier is marked.
278
279 2010-05-10  Richard Guenther  <rguenther@suse.de>
280
281         * c-common.c (struct c_common_attributes): Add fnspec attribute.
282         (handle_fnspec_attribute): New function.
283         * gimple.h (gimple_call_return_flags): Declare.
284         (gimple_call_arg_flags): Likewise.
285         * gimple.c (gimple_call_arg_flags): New function.
286         (gimple_call_return_flags): Likewise.
287         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
288         New argument flags.
289         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
290         return value flags.
291         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
292         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
293         main work to ...
294         (make_heapvar_for): ... this new function.
295         (handle_rhs_call): Handle fnspec attribute argument specifiers.
296         (handle_lhs_call): Likewise.
297         (find_func_aliases): Adjust.
298
299 2010-05-10  Richard Guenther  <rguenther@suse.de>
300
301         PR tree-optimization/44050
302         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
303
304 2010-05-10  Wei Guozhi  <carrot@google.com>
305
306         PR target/42879
307         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
308
309 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
310
311         PR c/10676
312         * c-typeck.c (lookup_field): Take a type directly.  Update
313         recursive calls.
314         (build_component_ref): Update call to lookup_field.
315         (set_init_label): Use lookup_field to find initialized field.
316         Handle returned list of fields like a sequence of designators.
317
318 2010-05-09  Richard Guenther  <rguenther@suse.de>
319
320         PR middle-end/44024
321         * fold-const.c (tree_single_nonzero_warnv_p): Properly
322         handle &FUNCTION_DECL.
323
324 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
325
326         PR c/4784
327         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
328         structures and unions recursively.
329         (detect_field_duplicates): Move duplicate detection with a hash to
330         detect_field_duplicates_hash.  Always use a hash if anonymous
331         structures or unions are present.
332         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
333         give errors.
334
335 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
336
337         PR target/44046
338         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
339         detect Atom, Core 2 and Core i7.
340
341 2010-05-09  Richard Guenther  <rguenther@suse.de>
342
343         * gcc.c (store_arg): Handle temporary file deletion for
344         joined arguments.
345
346 2010-05-09  Richard Guenther  <rguenther@suse.de>
347
348         PR middle-end/44043
349         * ipa-inline.c (estimate_function_body_sizes): Return after
350         disregarding inline limits.
351
352 2010-05-09  Richard Guenther  <rguenther@suse.de>
353
354         * gcc.c (store_arg): Revert last change.
355
356 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
357
358         PR middle-end/28685
359         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
360         (optimize_ops_list): Call it.
361
362 2010-05-08  Richard Guenther  <rguenther@suse.de>
363
364         PR tree-optimization/44030
365         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
366         NECESSARY flag if we propagate from a inserted expression.
367
368 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
369
370         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
371         domain types as equal if they are both PLACEHOLDER_EXPRs.
372
373 2010-05-08  Richard Guenther  <rguenther@suse.de>
374
375         * lto-wrapper.c (run_gcc): Remove linker output from
376         command line for LTRANS invocation.
377
378 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
379
380         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
381         lto-macho as lto_binary_reader.
382         * target.h (struct gcc_target): New hooks lto_start and lto_end.
383         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
384         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
385         in lto_start and lto_end calls.
386         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
387         magic numbers.
388         (scan_prog_file): Update is_elf_or_coff call.
389         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
390
391         * collect2.c (main): Fix enum comparison.
392
393         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
394         Add prototypes.
395         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
396         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
397         and TARGET_ASM_LTO_END.
398         * darwin.c: Include obstack.h and lto-streamer.h.
399         (lto_section_names_offset, lto_section_names_obstack,
400         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
401         global variables.
402         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
403         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
404         to a temporary file.
405         (darwin_asm_lto_end): New function.  Restore asm_out_file.
406         (darwin_asm_named_section): For LTO sections, replace the name with
407         the offset of the section name in a string table, and build this
408         table.
409         (darwin_file_start): Initialize global vars for LTO support.
410         (darwin_file_end): If output to asm_out_file was redirected, append it
411         to the proper asm_out_file here.  Add the section names section.
412
413 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
414
415         * c-pragma.c (pending_weak_d, pending_weak): New.
416         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
417         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
418         handle_pragma_weak): Update the uses of pending_weaks.
419
420 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
421
422         PR documentation/44016
423         * doc/standards.texi (Standards): Link to unversioned
424         cxx0x_status.html page.
425
426 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
427
428         PR target/43708
429         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
430         in addition to TREE_USED, to avoid "set but unused" warnings.
431
432 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
433
434         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
435         (is_loop_prefetching_profitable): Do not insert prefetches
436         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
437         times the prefetch ahead distance.
438
439 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
440
441         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
442         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
443         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
444         the unroll_factor.
445
446 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
447
448         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
449         a diagnostic info when the insn-to-mem ratio is too small.
450
451 2010-05-07  Richard Guenther <rguenther@suse.de>
452
453         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
454         the linker plugin.
455         (store_arg): Queue temp_filename for deletion instead of
456         the whole argument.
457
458 2010-05-07  Richard Guenther  <rguenther@suse.de>
459
460         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
461         (run_gcc): Handle LTRANS phase invocation.
462         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
463
464 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
465
466         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
467         this is also meaningful on PARM_DECLs and RESULT_DECLs.
468
469 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
470
471         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
472
473 2010-05-07  Richard Guenther  <rguenther@suse.de>
474
475         PR tree-optimization/44020
476         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
477         code when PRE is not yet initialized.
478
479 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
480
481         * config/mips/dbxmdebug.h: Remove.
482         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
483
484 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
485
486         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
487         with null pointer and also warn about ordered comparison of zero with
488         pointer if -Wextra.
489
490 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
491
492         * graphite-blocking.c
493         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
494         * graphite-clast-to-gimple.c
495         (clast_to_gcc_expression): Same.
496         (precision_for_value): Same.
497         (precision_for_interval): Same.
498         (gcc_type_for_interval): Same.
499         (graphite_create_new_guard): Same.
500         (compute_bounds_for_level): Same.
501         (graphite_create_new_loop_guard): Same.
502         * graphite-interchange.c
503         (build_linearized_memory_access): Same.
504         (pdr_stride_in_loop): Same.
505         (memory_strides_in_loop_1): Same.
506         (memory_strides_in_loop): Same.
507         (extend_scattering): Same.
508         (psct_scattering_dim_for_loop_depth): Same.
509         (pbb_number_of_iterations): Same.
510         * graphite-poly.h
511         (debug_iteration_domains): Same.
512         * graphite-ppl.c
513         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
514         (ppl_set_inhomogeneous_gmp): Same.
515         (ppl_strip_loop): Same.
516         (ppl_lexico_compare_linear_expressions): Same.
517         (ppl_read_polyhedron_matrix): Same.
518         (ppl_max_for_le_pointset): Same.
519         * graphite-ppl.h
520         (ppl_read_polyhedron_matrix): Same.
521         (tree_int_to_gmp): Same.
522         (gmp_cst_to_tree): Same.
523         (ppl_set_inhomogeneous): Same.
524         (ppl_set_inhomogeneous_tree): Same.
525         (ppl_set_coef): Same.
526         (ppl_set_coef_tree): Same.
527         * graphite-sese-to-poly.c
528         (build_pbb_scattering_polyhedrons): Same.
529         (build_scop_scattering): Same.
530         (scan_tree_for_params_right_scev): Same.
531         (scan_tree_for_params): Same.
532         (find_params_in_bb): Same.
533         (find_scop_parameters): Same.
534         (add_upper_bounds_from_estimated_nit): Same.
535         (build_loop_iteration_domains): Same.
536         (add_condition_to_domain): Same.
537         (pdr_add_memory_accesses): Same.
538
539 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
540
541         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
542         CLooG's value_* macros to their respective mpz_* counterparts.
543         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
544         (graphite_create_new_loop_guard): Same.
545         * graphite-interchange.c (build_linearized_memory_access): Same.
546         (pdr_stride_in_loop): Same.
547         (memory_strides_in_loop_1): Same.
548         (1st_interchange_profitable_p): Same.
549         * graphite-poly.c (extend_scattering): Same.
550         (psct_scattering_dim_for_loop_depth): Same.
551         (pbb_number_of_iterations): Same.
552         (pbb_number_of_iterations_at_time): Same.
553         * graphite-poly.h (new_1st_loop): Same.
554         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
555         (oppose_constraint): Same.
556         (insert_constraint_into_matrix): Same.
557         (ppl_set_inhomogeneous_gmp): Same.
558         (ppl_set_coef_gmp): Same.
559         (ppl_strip_loop): Same.
560         (ppl_lexico_compare_linear_expressions): Same.
561         (ppl_max_for_le_pointset): Same.
562         (ppl_min_for_le_pointset): Same.
563         (ppl_build_realtion): Same.
564         * graphite-ppl.h (gmp_cst_to_tree): Same.
565         (ppl_set_inhomogeneous): Same.
566         (ppl_set_inhomogeneous_tree): Same.
567         (ppl_set_coef): Same.
568         (ppl_set_coef_tree): Same.
569         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
570         (build_scop_scattering): Same.
571         (add_value_to_dim): Same.
572         (scan_tree_for_params_right_scev): Same.
573         (scan_tree_for_params_int): Same.
574         (scan_tree_for_params): Same.
575         (find_params_in_bb): Same.
576         (find_scop_parameters): Same.
577         (add_upper_bounds_from_estimated_nit): Same.
578         (build_loop_iteration_domains): Same.
579         (create_linear_expr_from_tree): Same.
580         (add_condition_to_domain): Same.
581         (pdr_add_memory_accesses): Same.
582
583 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
584             Jason Merrill  <jason@redhat.com>
585
586         * c-common.c (c_common_reswords): Add nullptr.
587         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
588         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
589         (gen_type_die_with_usage): Likewise.
590         * dbxout.c (dbxout_type): Likewise.
591         * sdbout.c (plain_type_1): Likewise.
592
593 2010-05-06  Jason Merrill  <jason@redhat.com>
594
595         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
596         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
597         ret appropriately.
598         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
599
600         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
601         stripping WITH_SIZE_EXPR.
602         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
603         change.
604
605 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
606
607         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
608         list of obsolete configurations.
609         Disabled check for obsolete configurations.
610         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
611         Removed support for previous versions.
612         * config/mips/iris.h: Removed.
613         * config/mips/iris5.h: Removed.
614         * config/mips/iris6.h: Merged old iris.h contents.
615         (TARGET_IRIX): Removed.
616         (DRIVER_SELF_SPECS): Removed mabi=32.
617         (IDENT_ASM_OP): Removed undef.
618         (STARTFILE_SPEC): Removed mabi=32.
619         (ENDFILE_SPEC): Likewise.
620         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
621         (MACHINE_TYPE): Update for IRIX 6.5.
622         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
623         TARGET_IRIX by TARGET_IRIX6.
624         (mips_file_start): Likewise.
625         (mips_output_external): Remove IRIX 5/6 O32 support.
626         (mips_output_function_prologue): Likewise.
627         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
628         TARGET_IRIX6.
629         (TARGET_CPU_CPP_BUILTINS): Likewise.
630         (TARGET_IRIX): Removed.
631         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
632         (MULTILIB_DIRNAMES): Removed 32.
633         (MULTILIB_OSDIRNAMES): Removed ../lib.
634         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
635         (Specific, mips-sgi-irix5): Document removal.
636         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
637         Remove references to older IRIX 6 releases and the O32 ABI.
638
639 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
640
641         PR bootstrap/43994
642         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
643         instead of DF_REF_REAL_REG.
644
645 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
646
647         PR target/43888
648         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
649         handling to still return true for x64 targets.
650
651 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
652
653         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
654
655 2010-05-06  Jan Hubicka  <jh@suse.cz>
656
657         PR tree-optimization/43791
658         * ipa-inline.c (update_caller_keys): Remove bogus
659         disregard_inline_limits check.
660
661 2010-05-06  Michael Matz  <matz@suse.de>
662
663         PR tree-optimization/43984
664         * tree-ssa-pre.c (inserted_phi_names): Remove.
665         (inserted_exprs): Change to bitmap.
666         (create_expression_by_pieces): Set bits, don't append to vector.
667         (insert_into_preds_of_block): Don't handle inserted_phi_names.
668         (eliminate): Don't look at inserted_phi_names, remove deleted
669         insns from inserted_exprs.
670         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
671         (init_pre, fini_pre): Allocate and free bitmaps.
672         (execute_pre): Insert insns on edges before elimination.
673
674 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
675
676         * tree.c (initializer_zerop): Handle STRING_CST.
677
678 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
679
680         PR 40989
681         * doc/invoke.texi (Wimplicit): Document as C only.
682         * opts.c (common_handle_option): Add argument kind.
683         (handle_option): Rename as read_cmdline_option. Factor out code to...
684         (handle_option): ... here. New.
685         (handle_options): Rename as read_cmdline_options.
686         (decode_options): Update call.
687         (set_option): Use option index instead of option pointer. Classify
688         diagnostics correctly.
689         (enable_warning_as_error): Call handle_option.
690         * opts.h (set_option): Update declaration.
691         (handle_option): Declare.
692         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
693         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
694         * c-opts.c (set_Wimplicit): Delete.
695         (c_family_lang_mask): New static constant.
696         (c_common_handle_option): Add argument kind. Use handle_option
697         instead of set_Wimplicit.
698         (c_common_post_options): warn_implicit and warn_implicit_int
699         are disabled by default.
700         * c-common.c (warn_implicit): Do not define here.
701         * c-common.h (warn_implicit): Do not declare here.
702         (c_common_handle_option): Update declaration.
703         * lto-opts.c (lto_reissue_options): Update call to set_option.
704
705 2010-05-06  Richard Guenther  <rguenther@suse.de>
706
707         PR tree-optimization/43571
708         * domwalk.c (walk_dominator_tree): Walk the dominator
709         sons in more optimal order.
710
711 2010-05-06  Richard Guenther  <rguenther@suse.de>
712
713         PR tree-optimization/43934
714         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
715         (stmt_cost): Likewise.
716         (extract_true_false_args_from_phi): New helper.
717         (determine_max_movement): For PHI nodes verify we can hoist them
718         and compute their cost.
719         (determine_invariantness_stmt): Handle PHI nodes.
720         (move_computations_stmt): Likewise.  Hoist PHI nodes in
721         if-converted form using COND_EXPRs.
722         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
723         (tree_ssa_lim): Likewise.
724         * tree-flow.h (tree_ssa_lim): Adjust prototype.
725         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
726
727 2010-05-06  Richard Guenther  <rguenther@suse.de>
728
729         PR tree-optimization/43987
730         * tree-ssa-structalias.c (could_have_pointers): For possibly
731         address-taken variables force pointers to be recorded.
732         (create_variable_info_for_1): Likewise.
733         (push_fields_onto_fieldstack): Pass in wheter all fields
734         must have pointers.
735         (find_func_aliases): Query types instead of vars whether
736         they contain pointers where appropriate.
737
738 2010-05-06  Jan Hubicka  <jh@suse.cz>
739
740         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
741         (record_reference, mark_address, mark_load, mark_store): Record
742         references.
743         (record_references_in_initializer): Update call of record_references.
744         (rebuild_cgraph_edges): Remove all references before rebuiding.
745         * cgraph.c (cgraph_create_node): Clear ref list.
746         (cgraph_remove_node): Remove references.
747         (dump_cgraph_node): Dump references.
748         (cgraph_clone_node): Clone references.
749         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
750         (struct cgraph_node, varpool_node): Add ref_lst.
751         * ipa-ref.c: New file.
752         * ipa-ref.h: New file.
753         * ipa-ref-inline.h: New file.
754         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
755         (referenced_from_other_partition_p): New function.
756         (lto_output_varpool_node): Take set arugment; call
757         referenced_from_other_partition.
758         (lto_output_ref): New.
759         (add_references): New.
760         (output_refs): New.
761         (output_cgraph): Compute boundary based on references; output refs.
762         (output_varpool): Accept cgraph_node_set argument.
763         (input_ref): New.
764         (input_refs): New.
765         (input_cgraph): Call input_refs.
766         * lto-section-in.c (lto_section_name): Add refs.
767         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
768         (ipa-ref.o): New file.
769         * varpool.c (varpool_node): Clear ipa ref list.
770         (varpool_remove_node): Remove references.
771         (dump_varpool_node): Dump references.
772         (varpool_assemble_decl): Only compile finalized ones.
773         (varpool_extra_name_alias): Initialize ref list.
774         * lto-streamer.c (lto-get_section_name): Add .refs section.
775         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
776         (referenced_from_other_partition_p): Declared.
777
778 2010-05-06  Ira Rosen  <irar@il.ibm.com>
779
780         PR tree-optimization/43901
781         * tree-vect-stmts.c (vectorizable_call): Assert that vector
782         type is not NULL if it's transformation phase, and return
783         FALSE if it's analysis.
784         (vectorizable_conversion, vectorizable_operation,
785         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
786
787 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
788
789         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
790         Delete.
791         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
792         New define.
793         * config/mips/mips-protos.h
794         (mips_small_register_classes_for_mode_p): Delete prototype.
795
796 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
797
798         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
799         * config/arm/arm.c (multiple_operation_profitable_p,
800         compute_offset_order): New static functions.
801         (load_multiple_sequence, store_multiple_sequence): Use them.
802         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
803         memory offsets, not register numbers.
804         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
805
806 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
807
808         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
809         (get_pending_sizes, put_pending_size, put_pending_sizes):
810         Update the uses of pending_sizes.
811         * c-decl.c (store_parm_decls): Likewise.
812         * c-tree.h (struct c_arg_info): Likewise.
813         * tree.h: Update the prototype for get_pending_sizes and
814         put_pending_sizes.
815
816 2010-05-05  Jason Merrill  <jason@redhat.com>
817
818         PR debug/43370
819         * c-common.c (handle_aligned_attribute): Respect
820         ATTR_FLAG_TYPE_IN_PLACE.
821
822         PR testsuite/43758
823         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
824         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
825         (TARGET_INITIALIZER): Use it.
826         * c-common.c (attribute_takes_identifier_p): Call it.
827         * c-common.h: Update prototype.
828         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
829         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
830
831 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
832
833         PR debug/43950
834         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
835         DW_ID_down_case for Fortran compilation units.
836
837 2010-05-05  Jan Hubicka  <jh@suse.cz>
838
839         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
840         handle aliases.
841
842 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
843
844         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
845         a variable-sized RESULT_DECL.
846
847 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
848
849         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
850
851 2010-05-05  Jason Merrill  <jason@redhat.com>
852
853         PR c++/43787
854         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
855         returns GS_OK.
856         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
857
858 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
859             Jakub Jelinek  <jakub@redhat.com>
860
861         PR debug/43478
862         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
863         (dead_debug_init, dead_debug_finish): New functions.
864         (dead_debug_add, dead_debug_insert_before): Likewise.
865         (df_note_bb_compute): Initialize a dead_debug object, add dead
866         debug uses to it, insert debug bind insns before death insns,
867         reset debug insns that refer to pending uses at the end.
868         * rtl.h (make_debug_expr_from_rtl): New prototype.
869         * varasm.c (make_debug_expr_from_rtl): New function.
870
871 2010-05-05  Jan Hubicka  <jh@suse.cz>
872
873         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
874         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
875         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
876         lto_varpool_encoder_deref, lto_varpool_encoder_size,
877         lto_varpool_encoder_encode_initializer_p,
878         lto_set_varpool_encoder_encode_initializer): New functions.
879         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
880         call output_varpool.
881         (input_varpool_node): Do not always set analyzed.
882         (input_cgraph_1): Return vector of cgraph nodes.
883         (input_varpool_1): Return vector of varpools.
884         (input_cgraph): Free the vectors.
885         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
886         output only initializers needed.
887         (lto_output): Only call output_cgraph.
888         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
889         * lto-section-out.c (lto_new_out_decl_state): Initialize
890         state->varpool_node_encoder.
891         * lto-streamer.h (lto_varpool_encoder_d): New.
892         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
893         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
894         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
895         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
896         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
897         Declare.
898         (output_varpool, input_varpool): Remove declarations.
899
900 2010-05-05  Jan Hubicka  <jh@suse.cz>
901
902         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
903         with body can prevail.
904
905 2010-05-05  Jan Hubicka  <jh@suse.cz>
906
907         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
908         size.
909
910 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
911
912         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
913
914         * gengtype.h (erro_at_line): Constify pos argument.
915
916         * gengtype.c: Include hashtab.h.
917         (enum gc_used): Document GC_MAYBE_POINTED_TO.
918         (error_at_line): Constify pos argument.
919         (do_typedef): Initialize p->opt field.
920         (get_file_gtfilename): Fix comment typo.
921         (struct walk_type_data): Constify line field.
922         (get_output_file_for_structure): New function.
923         (write_local_func_for_structure): Constify orig_s argument.
924         Use get_output_file_for_structure.
925         (write_func_for_structure): Use get_output_file_for_structure.
926         (INDENT): New define.
927         (dump_pair, dump_type, dump_type_list, dump_typekind)
928         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
929         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
930         functions.
931         (seen_types): New variable.
932         (main): New variable do_dump.  Process "-d" command line option.
933         Call dump_everything if dump requested.
934
935 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
936
937         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
938         in a temporary instead of invoking the macro multiple times.
939         (track_expr_p): Likewise.
940
941 2010-05-04  Neil Vachharajani <nvachhar@google.com>
942
943         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
944         per new semantics.
945         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
946         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
947         conditions for printing notes.
948         * common.opt (-Wcoverage-mismatch): Allow negative, default to
949         true, update documentation.
950         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
951
952 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
953
954         PR c/43981
955         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
956         on dimen.
957
958 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
959
960         PR target/43799
961         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
962         (*sse_prologue_save_insn1): Likewise.
963         (SSE prologue save splitter): Likewise.
964
965 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
966
967         * tree.c (free_lang_data_in_one_sizepos): New inline function.
968         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
969         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
970         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
971         all decls.  Call it on DECL_FIELD_OFFSET of fields.
972         (find_decls_types_r): Follow DECL_VALUE_EXPR.
973         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
974
975 2010-05-04  Martin Jambor  <mjambor@suse.cz>
976
977         * tree-sra.c (build_access_from_expr_1): The first parameter type
978         changed to simple tree.
979         (build_access_from_expr): Likewise, gsi parameter was eliminated.
980         (scan_assign_result): Renamed to assignment_mod_result, enum elements
981         renamed as well.
982         (build_accesses_from_assign): Removed all parameters except for a
983         simple gimple statement.  Now returns a simple bool.
984         (scan_function): All non-analysis parts moved to separate functions
985         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
986         parameters and updated both callers.
987         (sra_modify_expr): Removed parameter data.
988         (sra_modify_function_body): New function.
989         (perform_intra_sra): Call sra_modify_function_body to modify the
990         function body.
991         (replace_removed_params_ssa_names): Parameter data changed into
992         adjustments vector.
993         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
994         changed the parameter dont_convert to convert with the opposite
995         meaning.
996         (sra_ipa_modify_assign): Parameter data changed into adjustments
997         vector, return value changed to bool.
998         (ipa_sra_modify_function_body): New function.
999         (sra_ipa_reset_debug_stmts): Updated a comment.
1000         (modify_function): Use ipa_sra_modify_function_body to modify function
1001         body.
1002
1003 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1004
1005         PR middle-end/43671
1006         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1007         (canon_true_dependence): Likewise.
1008         (write_dependence_p): Likewise.
1009
1010 2010-05-04  Jan Hubicka  <jh@suse.cz>
1011
1012         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1013         * cgraphbuild.c: Include ipa-utils.h
1014         (record_reference_ctx): New struct.
1015         (record_reference): Simplify to work on initializers; not statements.
1016         (mark_address, mark_load, mark_store): New.
1017         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1018         walk PHI nodes too.
1019         (record_references_in_initializer): Update use of record_reference.
1020         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1021         walk PHI nodes too.
1022
1023 2010-05-04  Jan Hubicka  <jh@suse.cz>
1024
1025         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1026         node will be removed anyway.
1027         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1028         relink aliases of node into prevailing node.
1029         * varpool.c (varpool_remove_node): Remove aliases properly;
1030         when removing node, remove all its aliases too; remove DECL_INITIAL
1031         of removed node; ggc_free the varpool node.
1032
1033 2010-05-04  Richard Guenther  <rguenther@suse.de>
1034
1035         PR tree-optimization/43879
1036         * tree-ssa-structalias.c (alias_get_name): Use
1037         DECL_ASSEMBLER_NAME if available.
1038         (create_function_info_for): Return the varinfo node.
1039         (ipa_pta_execute): Associate same-body aliases and extra names
1040         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1041
1042 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1043
1044         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1045
1046 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1047
1048         PR bootstrap/43964
1049         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1050         only if HONOR_REG_ALLOC_ORDER is not defined.
1051
1052 2010-05-04  Richard Guenther  <rguenther@suse.de>
1053
1054         PR tree-optimization/43949
1055         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1056         TRUNC_MOD_EXPR.
1057
1058 2010-04-26  Jason Merrill  <jason@redhat.com>
1059
1060         * c.opt (-fstrict-enums): New.
1061         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1062
1063 2010-05-03  David Ung <davidu@mips.com>
1064             James E. Wilson  <wilson@codesourcery.com>
1065
1066         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1067         emit the trap instruction before the divide for TUNE_74K.
1068
1069 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1070
1071         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1072         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1073         based on the above, for new target hook.
1074
1075         * hooks.c (hook_bool_mode_true): New generic hook.
1076         * hooks.h (hook_bool_mode_true): Add prototype.
1077
1078         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1079         target hook.
1080         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1081         target hook, set to hook_bool_mode_false.
1082         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1083         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1084         with targetm.small_register_classes_for_mode_p.
1085         (find_reusable_reload): Likewise.
1086         (combine_reloads): Likewise.
1087         * reload1.c (reload_as_needed): Likewise.
1088         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1089         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1090         dead_or_predicable): Likewise.
1091         * regmove.c (optimize_reg_copy_1): Likewise.
1092         * calls.c (prepare_call_address): Likewise.
1093         (precompute_register_parameters): Likewise.
1094
1095         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1096         hook definition.
1097         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1098         implementation of the hook that considers all register classes
1099         small except for SH64.
1100         (sh_override_options): Use the new hook.
1101         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1102         Add prototype.
1103
1104         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1105         hook definition.
1106         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1107         implementation of the hook that considers all register classes
1108         small for THUMB1.
1109         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1110         Add prototype.
1111
1112         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1113         hook definition.
1114         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1115         implementation of the hook that considers all register classes
1116         small for MIPS16.
1117         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1118         Add prototype.
1119
1120         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1121         hook definition.
1122         * config/m32c/m32c.h: Likewise.
1123         * config/pdp11/pdp11.h: Likewise.
1124         * config/avr/avr.h: Likewise.
1125         * config/xtensa/xtensa.h: Likewise.
1126         * config/m68hc11/m68hc11.h: Likewise.
1127         * config/mn10300/mn10300.h: Likewise.
1128         * config/mcore/mcore.h: Likewise.
1129         * config/h8300/h8300.h: Likewise.
1130         * config/bfin/bfin.h: Likewise.
1131
1132         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1133         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1134
1135 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1136
1137         * double-int.h (tree_to_double_int): Remove macro.
1138         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1139         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1140         (tree_to_double_int): New function.
1141         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1142         Move ...
1143         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1144
1145 2010-05-03  Richard Guenther  <rguenther@suse.de>
1146
1147         PR tree-optimization/43971
1148         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1149         constraints in the !flag_delete_null_pointer_checks case.
1150
1151 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1152
1153         PR debug/43972
1154         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1155         result mode matches original rtl mode.
1156
1157 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1158
1159         PR target/43888
1160         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1161
1162 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1165         when processing flag options.
1166
1167 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         * gcov-iov.c (main): Change format string placeholder
1170         from %#08x to 0x%08x.
1171         * genchecksum.c (dosum): Change format string placeholder
1172         from %#02x to 0x%02x.
1173
1174 2010-05-02  Richard Guenther  <rguenther@suse.de>
1175
1176         PR tree-optimization/43879
1177         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1178
1179 2010-05-02  Bruno Haible  <bruno@clisp.org>
1180
1181         * doc/extend.texi (Function Attributes): Fix a typo.
1182
1183 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1184
1185         Revert:
1186         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1187         placeholder from 0x%x to %#x.
1188         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1189         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1190         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1191         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1192         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1193         * config/i386/i386.c (ix86_target_string): Ditto.
1194         * config/i386/i386.c (output_pic_addr_const): Ditto.
1195         (print_operand): Ditto.
1196
1197 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1198
1199         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1200         placeholder from 0x%x to %#x.
1201         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1202         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1203         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1204         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1205         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1206         * optc-gen.awk: Ditto.
1207         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1208         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1209         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1210         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1211
1212 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1213
1214         * target.h (struct calls): Add function_value_regno_p field.
1215         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1216         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1217         * targhooks.c (default_function_value_regno_p): New function.
1218         * targhooks.h (default_function_value_regno_p): Declare function.
1219         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1220         * builtins.c. (apply_result_size): (Ditto.).
1221         * combine.c. (likely_spilled_retval_p): (Ditto.).
1222         * mode-switching.c. Include 'target.h'.
1223         (create_pre_exit): Use function_value_regno_p hook.
1224         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1225         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1226         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1227
1228         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1229         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1230         (ix86_function_value_regno_p): Declare as static, change argument
1231         type to const unsigned int.
1232         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1233
1234 2010-05-01  Richard Guenther  <rguenther@suse.de>
1235
1236         PR tree-optimization/43949
1237         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1238         types.
1239         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1240
1241 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1242
1243         * rtl.h (CONST_DOUBLE_P): Define.
1244         (rtx_to_double_int): Declare.
1245         * emit-rtl.c (rtx_to_double_int): New function.
1246         * dwarf2out.c (insert_double): New function.
1247         (loc_descriptor, add_const_value_attribute): Clean up, use
1248         rtx_to_double_int and insert_double functions.
1249
1250 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1251
1252         * doc/extend.texi (Inline): Add missing return keyword to examples.
1253         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1254         "command-line".
1255
1256 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1257
1258         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1259         the variable part of the offset as well.  Use highest_pow2_factor for
1260         all alignment checks.
1261
1262 2010-04-30  Richard Guenther  <rguenther@suse.de>
1263
1264         PR tree-optimization/43879
1265         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1266         can have pointers.
1267
1268 2010-04-30  Jan Hubicka  <jh@suse.cz>
1269
1270         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1271         varpool.
1272         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1273
1274 2010-04-30  Jan Hubicka  <jh@suse.cz>
1275
1276         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1277         New.
1278         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1279         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1280         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1281         cgraph_node_set_needs_ltrans_p): Remove.
1282
1283 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1284
1285         * sdbout.c: Include vec.h, do not include varray.h.
1286         (deferred_global_decls, sdbout_global_decl,
1287         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1288         * toplev.c: Do not include varray.h.
1289         (dump_memory_report): Do not dump VARRAY statistics.
1290         * gengtype.c (open_base_file): Ignore varray.h.
1291         * Makefile.in: Update for abovementioned changes.
1292         Remove all traces of varray.c and varray.h.
1293         * varray.c: Remove file.
1294         * varray.h: Remove file.
1295
1296 2010-04-30  Jan Hubicka  <jh@suse.cz>
1297
1298         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1299         references.
1300
1301 2010-04-30  Jan Hubicka  <jh@suse.cz>
1302
1303         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1304         needed.
1305
1306 2010-04-30  Richard Guenther  <rguenther@suse.de>
1307
1308         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1309         constraints for CONSTRUCTOR.
1310
1311 2010-04-30  Richard Guenther  <rguenther@suse.de>
1312
1313         PR lto/43946
1314         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1315         first after all lowering passes.
1316
1317 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1318
1319         * toplev.c: Include varray.h for statistics dumping.
1320         * tree.h: Do not declare varray_head_tag.
1321         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1322         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1323         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1324         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1325         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1326         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1327         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1328         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1329         include varray.h.
1330         * Makefile.in: Update for abovementioned changes.
1331
1332 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR debug/43942
1335         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1336
1337 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1338
1339         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1340         Use this function to do machine-specific conversion.
1341         (picochip_legitimize_reload_address): Likewise.
1342         (picochip_legitimate_address_p): Check valid base register only if
1343         strict.
1344         (picochip_check_conditional_copy): Check for modw only if opnd is
1345         register.
1346         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1347         to call the function in c.
1348         * config/picochip/picochip-protos.h
1349         (picochip_legitimize_reload_address): Define.
1350         * config/picochip/picochip.md (supported_compare1): Define.
1351
1352 2010-04-30  Jan Hubicka  <jh@suse.cz>
1353
1354         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1355         (cgraph_global_info): Remove inlined.
1356         (LTO_cgraph_tag_names): Remove.
1357         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1358         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1359         simplify cgraph tags and document.
1360         (lto_output_node): Use only LTO_cgraph_unavail_node and
1361         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1362         for_functions_valid, global info, process and output flags.
1363         (input_overwrite_node): Initialize estimated stack size and
1364         estimated growth.  Do not read flags we no longer store.
1365         (input_node): Likewise do not read info no longer stored.
1366         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1367         flag.
1368
1369 2010-04-30  Richard Guenther  <rguenther@suse.de>
1370
1371         PR tree-optimization/43879
1372         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1373         handle non-zero initializers.
1374
1375 2010-04-30  Richard Guenther  <rguenther@suse.de>
1376
1377         * builtins.c (fold_builtin_1): Delete free (0).
1378
1379 2010-04-29  Jan Hubicka  <jh@suse.cz>
1380
1381         * gengtype.c (open_base_files): Add lto-streamer.h
1382         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1383         (pass_ipa_cp): GGC collect.
1384         * toplev. (compile_file): Do not output symbols.
1385         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1386         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1387         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1388         * lto-section-in.c: Include ggc.h
1389         (lto_new_in_decl_state): Alloc in GGC.
1390         (lto_delete_in_decl_state): Likewise.
1391         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1392         Collect.
1393
1394 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1395
1396         PR target/42895
1397         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1398         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1399         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1400         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1401         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1402         account only if HONOR_REG_ALLOC_ORDER is not defined.
1403         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1404         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1405
1406 2010-04-29  Jon Grant  <04@jguk.org>
1407
1408         * collect2.c (vflag): Change type from int to bool.
1409         (debug): Likewise.
1410         (helpflag): New global bool.
1411         (main): Set vflag and debug with boolean, not integer truth values.
1412         Accept new "--help" option and output usage text if found.
1413         * collect2.h (vflag): Update prototype.
1414         (debug): Likewise.
1415
1416 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1417
1418         PR bootstrap/43936
1419         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1420
1421 2010-04-29  Richard Guenther  <rguenther@suse.de>
1422
1423         PR bootstrap/43935
1424         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1425         with ATTRIBUTE_UNUSED.
1426
1427 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1428
1429         PR target/43921
1430         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1431         INSN_P with NONDEBUG_INSN_P.
1432         (distance_non_agu_define): Likewise.
1433         (distance_agu_use): Likewise.
1434
1435 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1436
1437         From Dominique d'Humieres <dominiq@lps.ens.fr>
1438         PR bootstrap/43858
1439         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1440         test_set.
1441
1442 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1443
1444         * plugin.h (invoke_plugin_callbacks): New inline function.
1445         * plugin.c (flag_plugin_added): New global flag.
1446         (add_new_plugin): Initialize above flag.
1447         (invoke_plugin_callbacks): Rename to ...
1448         (invoke_plugin_callbacks_full): ... this.
1449
1450 2010-04-28  Jan Hubicka  <jh@suse.cz>
1451
1452         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1453         (lto_varpool_replace_node): New.
1454         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1455         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1456         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1457         * cgraph.h (varpool_node_ptr): New type.
1458         (varpool_node_ptr): New vector.
1459         (varpool_node_set_def): New structure.
1460         (varpool_node_set): New type.
1461         (varpool_node_set): New vector.
1462         (varpool_node_set_element_def): New structure.
1463         (varpool_node_set_element, const_varpool_node_set_element): New types.
1464         (varpool_node_set_iterator): New type.
1465         (varpool_node): Add prev pointers, add used_from_other_partition,
1466         in_other_partition.
1467         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1468         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1469         varpool_get_node, varpool_remove_node): Declare.
1470         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1471         varpool_node_set_size): New inlines.
1472         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1473         * tree-pass.h (varpool_node_set_def): Forward declare.
1474         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1475         (ipa_write_optimization_summaries): Update prototype.
1476         * ipa-cp.c (ipcp_write_summary): Update.
1477         * ipa-reference.c (ipa_reference_write_summary): Update.
1478         * lto-cgraph.c (lto_output_varpool_node): New static function.
1479         (output_varpool): New function.
1480         (input_varpool_node): New static function.
1481         (input_varpool_1): New function.
1482         (input_cgraph): Input varpool.
1483         * ipa-pure-const.c (pure_const_write_summary): Update.
1484         * lto-streamer-out.c (lto_output): Update, output varpool too.
1485         (write_global_stream): Kill WPA hack.
1486         (produce_asm_for_decls): Update.
1487         (output_alias_pair_p): Handle variables.
1488         (output_unreferenced_globals): Output only needed partition of varpool.
1489         * ipa-inline.c (inline_write_summary): Update.
1490         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1491         cgraph.
1492         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1493         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1494         varpool_node_set_new, varpool_node_set_add,
1495         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1496         debug_varpool_node_set): New functions.
1497         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1498         (execute_one_pass): Process new decls too.
1499         (ipa_write_summaries_2): Pass around vsets.
1500         (ipa_write_summaries_1): Likewise.
1501         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1502         to add.
1503         (ipa_write_optimization_summaries_1): Pass around vsets.
1504         (ipa_write_optimization_summaries): Likewise.
1505         * varpool.c (varpool_get_node): New.
1506         (varpool_node): Update doubly linked lists.
1507         (varpool_remove_node): New.
1508         (dump_varpool_node): More dumping.
1509         (varpool_enqueue_needed_node): Update doubly linked lists.
1510         (decide_is_variable_needed): Kill ltrans hack.
1511         (varpool_finalize_decl): Kill lto hack.
1512         (varpool_assemble_decl): Skip decls in other partitions.
1513         (varpool_assemble_pending_decls): Update doubly linkes lists.
1514         (varpool_empty_needed_queue): Likewise.
1515         (varpool_extra_name_alias): Likewise.
1516         * lto-streamer.c (lto_get_section_name): Add vars section.
1517         * lto-streamer.h (lto_section_type): Update.
1518         (output_varpool, input_varpool): Declare.
1519
1520 2010-04-28  Mike Stump  <mikestump@comcast.net>
1521
1522         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1523
1524 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1525
1526         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1527         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1528         (lto_input_ts_type_tree_pointers): Likewise.
1529         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1530         (lto_output_ts_type_tree_pointers): Likewise.
1531
1532 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1533
1534         Uniquization of constants at the Tree level
1535         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1536         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1537         bit to the end.
1538         (tree_output_constant_def): Declare.
1539         * gimplify.c (gimplify_init_constructor): When using block copy, first
1540         uniquize the constant constructor on the RHS.
1541         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1542         DECL_IN_CONSTANT_POOL flag.
1543         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1544         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1545         constant pool.
1546         (assemble_variable): Deal with symbols belonging to the tree constant
1547         pool.
1548         (get_constant_section): Add ALIGN parameter and simplify.
1549         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1550         (assemble_constant_contents): Use the expression of the VAR_DECL.
1551         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1552         (tree_output_constant_def): New global function.
1553         (mark_constant): Use the expression of the VAR_DECL.
1554         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1555         its expression.
1556         (output_object_block): Likewise and assemble the expression.
1557
1558 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1559
1560         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1561         hash_tree, eq_tree): New tree hash table.
1562         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1563         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1564         lto_orig_address_remove): Reimplement.
1565
1566 2010-04-28  Xinliang David Li  <davidxl@google.com>
1567
1568         PR c/42643
1569         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1570         (compute_uninit_opnds_pos): New function.
1571         (is_non_loop_exit_postdominating): New function.
1572         (compute_control_dep_chain): New function.
1573         (find_pdom): New function.
1574         (convert_control_dep_chain_into_preds): New function.
1575         (find_predicates): New function.
1576         (find_control_equiv_block): New function.
1577         (collect_phi_def_edges): New function.
1578         (find_def_preds): New function.
1579         (find_dom): New function.
1580         (dump_predicates): New function.
1581         (get_cmp_code): New function.
1582         (is_value_included_in): New function.
1583         (find_matching_predicate_in_rest_chains): New function.
1584         (use_pred_not_overlap_with_undef_path_pred): New function.
1585         (is_use_properly_guarded): New function.
1586         (normalize_cond_1): New function.
1587         (is_and_or_or): New function.
1588         (normalize_cond): New function.
1589         (is_gcond_subset_of): New function.
1590         (is_subset_of_any): New function.
1591         (is_or_set_subset_of): New function.
1592         (is_and_set_subset_of): New function.
1593         (is_norm_cond_subset_of): New function.
1594         (is_pred_expr_subset_of): New function.
1595         (is_pred_chain_subset_of): New function.
1596         (is_included_in): New function.
1597         (is_superset_of): New function.
1598         (find_uninit_use): New function.
1599         (warn_uninitialized_phi): New function.
1600         (compute_possibly_undefined_names): New function.
1601         (ssa_undefined_value_p): New function.
1602         (execute_late_warn_uninitialized): New function.
1603         * tree-ssa.c (ssa_undefined_value_p): Removed.
1604         (warn_uninit): Changed to extern.
1605         (warn_uninitialized_phi): Removed.
1606         (warn_uninitialized_vars): Changed to extern.
1607         (execute_late_warn_uninitialized): Removed
1608         * tree-flow.h: Add new prototypes.
1609         * timevar.def: Add new time variable.
1610         * Makefile.in: Add new build file.
1611
1612 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1613
1614         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1615         type if available.
1616
1617 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1618
1619         PR target/22224
1620         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1621
1622 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1623
1624         * cgraph.h (struct cgraph_node): New field indirect_calls.
1625         (struct cgraph_indirect_call_info): New type.
1626         (struct cgraph_edge): Removed field indirect_call. New fields
1627         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1628         (cgraph_create_indirect_edge): Declare.
1629         (cgraph_make_edge_direct): Likewise.
1630         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1631         * ipa-prop.h (struct ipa_param_call_note): Removed.
1632         (struct ipa_node_params): Removed field param_calls.
1633         (ipa_create_all_structures_for_iinln): Declare.
1634         * cgraph.c: Described indirect edges and uids in initial comment.
1635         (cgraph_add_edge_to_call_site_hash): New function.
1636         (cgraph_edge): Search also among the indirect edges, use
1637         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1638         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1639         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1640         site hash.
1641         (initialize_inline_failed): Assign a reason to indirect edges.
1642         (cgraph_create_edge_1): New function.
1643         (cgraph_create_edge): Moved some functionality to
1644         cgraph_create_edge_1.
1645         (cgraph_create_indirect_edge): New function.
1646         (cgraph_edge_remove_callee): Add an assert checking for
1647         non-indirectness.
1648         (cgraph_edge_remove_caller): Special-case indirect edges.
1649         (cgraph_remove_edge): Likewise.
1650         (cgraph_set_edge_callee): New function.
1651         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1652         (cgraph_make_edge_direct): New function.
1653         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1654         the declaration of the call statement matches.
1655         (cgraph_node_remove_callees): Special-case indirect edges.
1656         (cgraph_clone_edge): Likewise.
1657         (cgraph_clone_node): Clone also the indirect edges.
1658         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1659         indirect_call, dump count of indirect_calls edges.
1660         * ipa-prop.c (iinlining_processed_edges): New variable.
1661         (ipa_note_param_call): Create indirect edges instead of
1662         creating notes.  New parameter node.
1663         (ipa_analyze_call_uses): New parameter node, pass it on to
1664         ipa_note_param_call.
1665         (ipa_analyze_stmt_uses): Likewise.
1666         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1667         (print_edge_addition_message): Work on edges rather than on notes.
1668         (update_call_notes_after_inlining): Likewise, renamed to
1669         update_indirect_edges_after_inlining.
1670         (ipa_create_all_structures_for_iinln): New function.
1671         (ipa_free_node_params_substructures): Do not free notes.
1672         (ipa_edge_duplication_hook): Propagate bits within
1673         iinlining_processed_edges bitmap.
1674         (ipa_node_duplication_hook): Do not duplicate notes.
1675         (free_all_ipa_structures_after_ipa_cp): Renamed to
1676         ipa_free_all_structures_after_ipa_cp.
1677         (free_all_ipa_structures_after_iinln): Renamed to
1678         ipa_free_all_structures_after_iinln.
1679         (ipa_write_param_call_note): Removed.
1680         (ipa_read_param_call_note): Removed.
1681         (ipa_write_indirect_edge_info): New function.
1682         (ipa_read_indirect_edge_info): Likewise.
1683         (ipa_write_node_info): Do not stream notes, do stream information
1684         in indirect edges.
1685         (ipa_read_node_info): Likewise.
1686         (lto_ipa_fixup_call_notes): Removed.
1687         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1688         * ipa-inline.c (pass_ipa_inline): Likewise.
1689         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1690         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1691         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1692         is_gimple_call.
1693         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1694         edges.
1695         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1696         (output_cgraph): Stream also indirect edges.
1697         (lto_output_edge): Added capability to stream indirect edges.
1698         (input_edge): Likewise.
1699         (input_cgraph_1): Likewise.
1700         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1701         of indirect edges.
1702
1703 2010-04-28  Richard Guenther  <rguenther@suse.de>
1704
1705         PR tree-optimization/43879
1706         PR tree-optimization/43909
1707         * tree-ssa-structalias.c (struct variable_info): Add
1708         only_restrict_pointers flag.
1709         (new_var_info): Initialize it.  Increment stats.total_vars here.
1710         (create_function_info_for): Do not increment stats.total_vars here.
1711         (get_function_part_constraint): Fix build with C++.
1712         (insert_into_field_list): Remove.
1713         (push_fields_onto_fieldstack): Properly merge fields.
1714         (create_variable_info_for): Split and simplify.
1715         (create_variable_info_for_1): New piece.
1716         (intra_create_variable_infos): Properly make restrict constraints
1717         from parameters.
1718
1719 2010-04-28  Richard Guenther  <rguenther@suse.de>
1720
1721         PR c++/43880
1722         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1723
1724 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1725             Jan Hubicka <hubicka@ucw.cz>
1726
1727         * doc/invoke.texi (-Wsuggest-attribute=const,
1728         -Wsuggest-attribute=pure): Document.
1729         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1730         (function_always_visible_to_compiler_p,
1731         suggest_attribute, warn_function_pure, warn_function_const):
1732         New functions.
1733         (check_call): Improve debug info.
1734         (analyze_function): Do not check availability.
1735         (add_new_function): Check availability.
1736         (propagate): Output warnings.
1737         (skip_function_for_local_pure_const): New function.
1738         (local_pure_const): Use it; output warnings.
1739         * common.opt (Wsuggest-attribute=const,
1740         Wsuggest-attribute=pure): New.
1741
1742 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1743
1744         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1745         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1746         or DW_CFA_def_cfa_offset{,_sf}.
1747
1748 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1749
1750         * tree.h: Fix truncated long macros.
1751
1752 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1753
1754         * collect2.c (TARGET_64BIT): Redefine to target's default.
1755         * tlink.c: Likewise.
1756         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1757         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1758         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1759         for underscoring __USER_LABEL_PREFIX__.
1760         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1761         (SUB_LINK_ENTRY32): New.
1762         (SUB_LINK_ENTRY64): New.
1763         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1764         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1765         (SUB_LINK_ENTRY64): New.
1766         (SUB_LINK_ENTRY): New.
1767         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1768         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1769         x64 target is choosen.
1770         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1771         * configure: Regenerated.
1772         * configure.ac (leading-mingw64-underscores): Option added.
1773
1774 2010-04-27  Jan Hubicka  <jh@suse.cz>
1775
1776         * doc/invoke.texi (-fipa-profile): Document.
1777         * opts.c (decode_options): Enable ipa-profile at -O1.
1778         * timevar.def (TV_IPA_PROFILE): Define.
1779         * common.opt (fipa-profile): Add.
1780         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1781         flag for clones.
1782         (cgraph_propagate_frequency): Handle only local ones.
1783         * tree-pass.h (pass_ipa_profile): Declare.
1784         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1785         (pass_ipa_profile): Use TV_IPA_PROFILE.
1786         * ipa.c (ipa_profile): New function.
1787         (gate_ipa_profile): Likewise.
1788         (pass_ipa_profile): New global variable.
1789         * passes.c (pass_ipa_profile): New.
1790
1791 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1792
1793         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1794
1795 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1796
1797         PR middle-end/43812
1798         * ipa.c (dissolve_same_comdat_group_list): New function.
1799         (function_and_variable_visibility): Call
1800         dissolve_same_comdat_group_list when comdat group contains external or
1801         newly local nodes.
1802         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1803         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1804
1805 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1806
1807         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1808         (const_hash_1) <VECTOR_CST>: New case.
1809         (compare_constant) <VECTOR_CST>: Likewise.
1810         <ADDR_EXPR>: Deal with LABEL_REFs.
1811         (copy_constant) <VECTOR_CST>: New case.
1812
1813 2010-04-27  Jan Hubicka  <jh@suse.cz>
1814
1815         * cgraph.c (cgraph_propagate_frequency): New function.
1816         * cgraph.h (cgraph_propagate_frequency): Declare.
1817         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1818         cgraph_propagate_frequency.
1819
1820 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1821
1822         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1823
1824 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1825
1826         PR target/40657
1827         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1828         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1829         here to determine which regs to push and how much stack to reserve.
1830
1831 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1832
1833         * doc/gimple.texi (gimple_statement_with_ops): Remove
1834         addresses_taken field.
1835         (gimple_statement_with_memory_ops): Likewise.
1836
1837 2010-04-27  Jan Hubicka  <jh@suse.cz>
1838
1839         * tree-inline.c (eni_inlining_weights): Remove.
1840         (estimate_num_insns): Special case more builtins.
1841
1842 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1843
1844         PR c/32207
1845         * c-typeck.c (build_binary_op): Move forward check for comparison
1846         pointer with null pointer constant and adjust the diagnostic message.
1847
1848 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1849
1850         PR lto/42776
1851         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1852         binutils supports extended .section directive needed by LTO, or
1853         warn if older binutils found.
1854         (LTO_BINARY_READER): New AC_SUBST'd variable.
1855         (LTO_USE_LIBELF): Likewise.
1856         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1857         variable.
1858         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1859         (LTO_USE_LIBELF): Likewise.
1860         * configure: Regenerate.
1861
1862         * collect2.c (is_elf): Rename from this ...
1863         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1864          object files in addition to ELF-formatted ones.
1865         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1866         symbol to be prefixed or not by an extra underscore.
1867
1868         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1869         * config/i386/winnt.c: Also #include lto-streamer.h
1870         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1871         LTO named sections.
1872         (i386_pe_asm_output_aligned_decl_common): Add comment.
1873         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1874
1875 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1876
1877         PR target/43889
1878         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1879         Add missing earlyclobber for second alternative.
1880
1881 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1882
1883         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1884         bits for artificial defs at the top of the block.
1885         * fwprop.c (single_def_use_enter_block): Don't call it.
1886
1887 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1888
1889         PR 43715
1890         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1891         instead of "$gcc_cv_objdump -T".
1892         Use "-undefined dynamic_lookup" on darwin.
1893         * gcc/configure: Regenerate.
1894
1895 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1896
1897         PR c/43893
1898         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1899
1900 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1901
1902         * c-parser.c (struct c_token): Move location field up.
1903         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1904         (struct c_declspecs): Convert typespec_word, storage_class, and
1905         default_int_p into bitfields.
1906         (struct c_declarator): Move loc field up.
1907
1908 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1909
1910         * cfgloop.h (struct loop): Move can_be_parallel field up.
1911         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1912         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1913         down.
1914         (struct iv_cand): Convert pos field into a bitfield.
1915         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1916         field up.
1917         (struct _stmt_vec_info): Shuffle fields for better packing.
1918
1919 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1920
1921         * varasm.c (IN_NAMED_SECTION): Remove guard.
1922         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1923         (IN_NAMED_SECTION_P): ...this.
1924         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1925         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1926
1927 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1928
1929         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1930         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1931         of shadowing it.  Fix comments.
1932
1933 2010-04-26  Jan Hubicka  <jh@suse.cz>
1934
1935         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1936         (cgraph_clone_node): Copy function frequency.
1937         * cgraph.h (node_frequency): New enum
1938         (struct cgraph_node): Add.
1939         * final.c (rest_of_clean_state): Update.
1940         * lto-cgraph.c (lto_output_node): Output node frequency.
1941         (input_overwrite_node): Input node frequency.
1942         * tre-ssa-loop-ivopts (computation_cost): Update.
1943         * lto-streamer-out.c (output_function): Do not output function
1944         frequency.
1945         * predict.c (maybe_hot_frequency_p): Update and handle functions
1946         executed once.
1947         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1948         attribute lookup.
1949         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1950         (compute_function_frequency): Set noreturn functions to be executed
1951         once.
1952         (choose_function_section): Update.
1953         * lto-streamer-in.c (input_function): Do not input function frequency.
1954         * function.c (allocate_struct_function): Do not initialize function
1955         frequency.
1956         * function.h (function_frequency): Remove.
1957         (struct function): Remove function frequency.
1958         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1959         (try_update): Update.
1960         * tree-inline.c (initialize_cfun): Do not update function frequency.
1961         * passes.c (pass_init_dump_file): Update.
1962         * i386.c (ix86_compute_frame_layout): Update.
1963         (ix86_pad_returns): Update.
1964
1965 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1966
1967         PR tree-optimization/43833
1968         * tree-vrp.c (range_int_cst_p): New.
1969         (range_int_cst_singleton_p): New.
1970         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1971         when both operands are constants.  Use range_int_cst_p in
1972         BIT_IOR_EXPR case.
1973
1974 2010-04-26  Jan Hubicka  <jh@suse.cz>
1975
1976         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1977
1978 2010-04-26  Richard Guenther  <rguenther@suse.de>
1979
1980         PR lto/43080
1981         * gimple.c (gimple_decl_printable_name): Deal gracefully
1982         with a NULL DECL_NAME.
1983
1984 2010-04-26  Richard Guenther  <rguenther@suse.de>
1985
1986         PR lto/42425
1987         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1988         if emitting debug information and it is either a function
1989         or a namespace decl.
1990
1991 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1992
1993         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1994         determine if the statement is vectorizable, and a macro to access it.
1995         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1996         Skip statements that can't be vectorized. If the analysis fails,
1997         mark the statement as unvectorizable if vectorizing basic block.
1998         (vect_compute_data_refs_alignment): Likewise.
1999         (vect_verify_datarefs_alignment): Skip statements marked as
2000         unvectorizable. Add print.
2001         (vect_analyze_group_access): Skip statements that can't be
2002         vectorized. If the analysis fails, mark the statement as
2003         unvectorizable if vectorizing basic block.
2004         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2005         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2006         generated stmts for SLP.
2007         (new_stmt_vec_info): Initialize the new field.
2008         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2009         statements marked as unvectorizable.
2010
2011 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2012
2013         * c-common.c (flag_isoc1x): New.
2014         (flag_isoc99): Update comment.
2015         * c-common.h (flag_isoc1x): New.
2016         (flag_isoc99): Update comment.
2017         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2018         __<type>_DECIMAL_DIG__.
2019         * c-opts.c (set_std_c1x): New.
2020         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2021         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2022         * c.opt (-std=c1x, -std=gnu1x): New options.
2023         * doc/cpp.texi: Mention -std=c1x.
2024         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2025         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2026         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2027         * doc/standards.texi: Mention C1X.
2028         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2029         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2030         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2031         Define for C1X.
2032
2033 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2034
2035         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2036         placeholder from 0x%x to %#x.
2037         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2038         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2039         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2040         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2041         * config/i386/i386.c (ix86_target_string): Ditto.
2042         (output_pic_addr_const): Ditto.
2043         (print_operand): Ditto.
2044
2045 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2046
2047         * combine.c (find_split_point): Add third argument.  Use it
2048         to find nested multiply-accumulate instructions.  Adjust calls.
2049         (try_combine): Adjust call to find_split_point.
2050
2051 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2052
2053         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2054
2055 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2056
2057         PR tree-optimization/41442
2058         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2059         (fold_binary_loc): Call it.
2060
2061 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2062
2063         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2064         * opts.c (common_handle_option): Allow disabling it.
2065         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2066
2067 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2068
2069         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2070         between modes if both types are integral.
2071
2072 2010-04-23  Richard Guenther  <rguenther@suse.de>
2073
2074         PR tree-optimization/43572
2075         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2076
2077 2010-04-23  Richard Guenther  <rguenther@suse.de>
2078
2079         PR lto/43455
2080         * tree-inline.c (tree_can_inline_p): Also check compatibility
2081         of return types.
2082
2083 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2084
2085         PR tree-optimization/43846
2086         * tree-sra.c (struct access): New flag grp_assignment_read.
2087         (build_accesses_from_assign): Set grp_assignment_read.
2088         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2089         (enum mark_read_status): New type.
2090         (analyze_access_subtree): Propagate grp_assignment_read, create
2091         accesses also if both direct_read and root->grp_assignment_read.
2092
2093 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2094
2095         PR middle-end/43835
2096         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2097         function does not have type attributes.
2098
2099 2010-04-23  Richard Guenther  <rguenther@suse.de>
2100
2101         PR lto/42653
2102         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2103         of FUNCTION_DECLs.
2104
2105 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2106
2107         * sese.h (create_if_region_on_edge): Remove.
2108
2109         * sese.c (create_if_region_on_edge): Make static.
2110
2111         * tree-inline.c: Do not include ggc.h.
2112
2113         * expr.c: Do not include ggc.h.
2114
2115         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2116         dependencies.
2117
2118 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2119
2120         PR target/43744
2121         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2122         in the middle of insns for casesi_worker_2.
2123
2124 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2125
2126         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2127
2128 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2129
2130         PR tree-optimization/43842
2131         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2132         loop unrolling in update of exit phis. Fix comment.
2133         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2134         least two reduction statements in the loop before starting SLP
2135         analysis.
2136
2137 2010-04-22  Nick Clifton  <nickc@redhat.com>
2138
2139         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2140
2141 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2142
2143         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2144         to simplify a + ~a.
2145
2146 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2147
2148         * tree-parloops.c (loop_parallel_p): New argument
2149         parloop_obstack.  Pass it down.
2150         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2151         pass it down, free it.
2152
2153         * tree-loop-linear.c (linear_transform_loops): Pass down
2154         lambda_obstack.
2155
2156         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2157         of type struct obstack *.
2158
2159         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2160         scratch_obstack.  Initialize it, pass down, free it.
2161
2162         * lambda.h (lambda_loop_new): Remove.
2163         (lambda_matrix_new, lambda_matrix_inverse)
2164         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2165         argument of type struct obstack *.
2166
2167         * lambda-trans.c (lambda_trans_matrix_new): New argument
2168         lambda_obstack.  Pass it down, use obstack allocation for ret.
2169         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2170         it down.
2171
2172         * lambda-mat.c (lambda_matrix_get_column)
2173         (lambda_matrix_project_to_null): Remove.
2174         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2175         allocation for mat.
2176         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2177         lambda_obstack.
2178
2179         * lambda-code.c (lambda_loop_new): New function.
2180         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2181         (lambda_compute_auxillary_space, lambda_compute_target_space)
2182         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2183         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2184         (build_access_matrix): New argument lambda_obstack.  Use obstack
2185         allocation for am.
2186         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2187         argument lambda_obstack.  Pass it down.
2188
2189 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2190
2191         * optabs.h (expand_widening_mult): Declare.
2192
2193 2010-04-22  Richard Guenther  <rguenther@suse.de>
2194
2195         PR tree-optimization/43845
2196         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2197         lookup the CALL_EXPR function and arguments.
2198
2199 2010-04-22  Nick Clifton  <nickc@redhat.com>
2200
2201         * config/stormy16/stormy16.c
2202         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2203         * config/stormy16/stormy16.h: Tidy up formatting.
2204         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2205         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2206         (ineqbranchsi): Delete pattern.
2207         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2208         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2209         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2210         stormy16-lib2-ucmpsi2.c.
2211
2212 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2213
2214         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2215         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2216         extra set merge_set_noclobber, and use it to relax the final test
2217         slightly.
2218         * df.h (df_simulate_find_noclobber_defs): Declare.
2219         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2220         conditional defs.
2221         (df_simulate_find_noclobber_defs): New function.
2222
2223 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2224
2225         * config/i386/i386.md: Use {} around multi-line preparation statements.
2226
2227 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2228
2229         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2230         (process_init_element): New argument of type struct obstack *.
2231
2232         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2233         (set_init_index, set_init_label, set_nonincremental_init)
2234         (set_nonincremental_init_from_string, find_init_member)
2235         (output_init_element, output_pending_init_elements)
2236         (process_init_element): New argument braced_init_obstack.  Pass it
2237         down.
2238         (push_range_stack, add_pending_init): New argument
2239         braced_init_obstack.  Use obstack allocation.
2240
2241         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2242         braced_init_obstack.  Pass it down.
2243         (c_parser_braced_init): New variables ret, braced_init_obstack.
2244         Initialize obstack, pass it down and finally free it.
2245
2246 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2247
2248         PR middle-end/29274
2249         * tree-pass.h (pass_optimize_widening_mul): Declare.
2250         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2251         gate_optimize_widening_mul): New static functions.
2252         (pass_optimize_widening_mul): New.
2253         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2254         <case MULT_EXPR>: Remove support for widening multiplies.
2255         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2256         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2257         simplify_gen_unary rather than directly building extensions.
2258         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2259         WIDEN_MULT_EXPR.
2260         * expmed.c (expand_widening_mult): New function.
2261         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2262
2263 2010-04-21  Jan Hubicka  <jh@suse.cz>
2264
2265         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2266         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2267         * lto-wpa-fixup.c: Remove.
2268         * Makefile.in (lto-wpa-fixup.o): Remove.
2269         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2270         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2271         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2272
2273 2010-04-21  Jan Hubicka  <jh@suse.cz>
2274
2275         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2276         add write_optimization_summary, read_optimization_summary.
2277         (ipa_write_summaries_of_cgraph_node_set): Remove.
2278         (ipa_write_optimization_summaries): Declare.
2279         (ipa_read_optimization_summaries): Declare.
2280         * ipa-cp.c (pass_ipa_cp): Update.
2281         * ipa-reference.c (pass_ipa_reference): Update.
2282         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2283         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2284         Update.
2285         * ipa-inline.c (pass_ipa_inline): Update.
2286         * ipa.c (pass_ipa_whole_program): Update.
2287         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2288         * passes.c (ipa_write_summaries_1): Do not test wpa.
2289         (ipa_write_optimization_summaries_1): New.
2290         (ipa_write_optimization_summaries): New.
2291         (ipa_read_summaries): Do not test ltrans.
2292         (ipa_read_optimization_summaries_1): New.
2293         (ipa_read_optimization_summaries): New.
2294
2295 2010-04-21  Jan Hubicka  <jh@suse.cz>
2296
2297         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2298         for boundary nodes.
2299         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2300
2301 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2302
2303         PR debug/40040
2304         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2305         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2306
2307 2010-04-21  Jan Hubicka  <jh@suse.cz>
2308
2309         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2310
2311 2010-04-21  Jan Hubicka  <jh@suse.cz>
2312
2313         * varpool.c (decide_is_variable_needed): Variable is always needed
2314         during ltrans.
2315
2316 2010-04-21  Jan Hubicka  <jh@suse.cz>
2317
2318         * opts.c (decode_options): Enable pure-const pass for whopr.
2319
2320 2010-04-21  Jan Hubicka  <jh@suse.cz>
2321
2322         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2323         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2324         at WPA dumping.
2325         (cgraph_decide_inlining): Do not expect callee to be removed in all
2326         cases.
2327
2328 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2329
2330         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2331
2332 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2333
2334         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2335         amdfam10_decode attributes.
2336
2337 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2338
2339         PR middle-end/43570
2340         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2341         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2342         (lower_copyprivate_clauses): Use private var in outer
2343         context instead of original var.  Make sure the types
2344         are correct for VLAs.
2345
2346 2010-04-21  Richard Guenther  <rguenther@suse.de>
2347
2348         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2349         to non-pointer objects.
2350
2351 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2352
2353         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2354         last chain entry if it starts with the still current label.
2355         (add_location_or_const_value_attribute): Check that
2356         loc_list->first->next is NULL instead of comparing ->first with ->last.
2357         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2358         to add_var_loc_to_decl.
2359
2360         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2361         >= 4 add also address size and segment size fields into CIE header.
2362
2363         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2364         long as address size is the same as sizeof (void *) and
2365         segment size is 0.
2366         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2367         address size or segment size is unexpected, return DW_EH_PE_omit.
2368         (classify_object_over_fdes): If get_cie_encoding returned
2369         DW_EH_PE_omit, return -1.
2370         (init_object): If classify_object_over_fdes returned -1,
2371         pretend there were no FDEs at all.
2372
2373 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2374
2375         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2376         bswap{si,di}2 using SWI48 mode iterator.
2377         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2378         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2379         set modrm attribute of bswap insn to 0 and remove length attribute.
2380         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2381         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2382         set mode attribute to <MODE> and remove length attribute.
2383
2384 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2385
2386         PR rtl-optimization/43520
2387         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2388         zero available registers.
2389
2390 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2391
2392         * builtins.c (fold_builtin_cproj): Fold more cases.
2393
2394 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2395
2396         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2397         (fold_builtin_1): Fold builtin cproj.
2398         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2399         Use ATTR_CONST_NOTHROW_LIST.
2400
2401 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2402
2403         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2404         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2405         ffsi2_no_cmove for !TARGET_CMOVE.
2406         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2407         (ffssi2): Remove expander.
2408         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2409         mode iterator.
2410         (ctz<mode>2): Ditto from ctz{si,di}2.
2411         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2412         mode iterator.
2413         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2414         mode iterator.
2415
2416 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2417
2418         * dwarf2out.c (AT_linkage_name): Define.
2419         (clone_as_declaration): Handle DW_AT_linkage_name.
2420         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2421         of DW_AT_MIPS_linkage_name.
2422         (move_linkage_attr): Likewise.
2423         (dwarf2out_finish): Likewise.
2424
2425 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2426
2427         PR middle-end/41952
2428         * fold-const.c (fold_comparison): New folding rule.
2429
2430 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2431
2432         * double-int.h (double_int_setbit): Declare.
2433         * double-int.c (double_int_setbit): New function.
2434         * rtl.h (immed_double_int_const): Declare.
2435         * emit-rtl.c (immed_double_int_const): New function.
2436         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2437         and immed_double_int_const functions.
2438         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2439         expand_copysign_bit):  (Ditto.).
2440         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2441         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2442         * dojump.c (prefer_and_bit_test): (Ditto.).
2443         * expr.c (convert_modes, reduce_to_bit_field_precision,
2444         const_vector_from_tree): (Ditto.).
2445         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2446
2447 2010-04-20  Jan Hubicka  <jh@suse.cz>
2448
2449         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2450         (dump_cgraph_node): Dump new flags.
2451         * cgraph.h (struct cgraph_node): Add flags
2452         reachable_from_other_partition and in_other_partition.
2453         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2454         other partition can not be removed.
2455         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2456         the other partition must be output; silence sanity checking on
2457         leaking functions bodies from other paritition.
2458         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2459         (lto_output_node): Output new flags; do not sanity check that inline
2460         clones are output; drop lto_forced_extern_inline_p code; do not mock
2461         visibility flags at partition boundaries.
2462         (add_node_to): New function.
2463         (output_cgraph): Use it to sort functions so masters appear before
2464         clones.
2465         (input_overwrite_node): Input new flags.
2466         * passes.c (ipa_write_summaries): Do not call
2467         lto_new_extern_inline_states.
2468         * lto-section-out.c (forced_extern_inline,
2469         lto_new_extern_inline_states lto_delete_extern_inline_states,
2470         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2471         * lto-streamer.h (lto_new_extern_inline_states,
2472         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2473         lto_forced_extern_inline_p): Kill.
2474
2475 2010-04-20  Richard Guenther  <rguenther@suse.de>
2476
2477         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2478         from vars that can have pointers.
2479         (process_constraint): Dump useless constraints.
2480
2481 2010-04-20  Richard Guenther  <rguenther@suse.de>
2482
2483         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2484         (dump_sa_points_to_info): Remove asserts.
2485         (init_base_vars): nothing_id isn't an escape point nor does it
2486         have pointers.
2487
2488 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2489
2490         * tree.h (TYPE_REF_IS_RVALUE): Define.
2491         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2492         should_move_die_to_comdat, prune_unused_types_walk): Handle
2493         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2494         (modified_type_die, gen_reference_type_die): Emit
2495         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2496         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2497
2498 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2499
2500         PR target/43635
2501         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2502         calls for -fpic -m31 if they have been sibcall optimized.
2503
2504 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2505
2506         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2507         ar.lc fixed and call-used.
2508
2509         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2510
2511 2010-04-19  Jan Hubicka  <jh@suse.cz>
2512
2513         * opts.c (decode_options): Disable whpr incompatible passes.
2514         * lto/lto.c (lto_1_to_1_map): Skip clones.
2515         (read_cgraph_and_symbols): Do not mark everything as needed.
2516         (do_whole_program_analysis): Do map only after optimizing;
2517         set proper cgraph_state; use passmanager.
2518
2519 2010-04-19  DJ Delorie  <dj@redhat.com>
2520
2521         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2522         POINTER_PLUS_EXPR and fix them.
2523
2524 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2525
2526         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2527         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2528         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2529         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2530         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2531         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2532         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2533         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2534         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2535         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2536         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2537
2538 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2539
2540         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2541         (check_cond_move_block): Likewise.
2542         (cond_move_process_if_block): Likewise.
2543         (noce_find_if_block): Improve formatting.
2544         (find_if_header): Pass 0 to memset and tweak conditions.
2545         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2546
2547 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2548
2549         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2550         for -gdwarf-4.
2551
2552         PR middle-end/43337
2553         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2554         with non-local decl doesn't need chain.
2555
2556 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2557
2558         * ira-color.c (allocno_reload_assign): Avoid accumulating
2559         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2560
2561 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2562
2563         * gimple.h (create_tmp_reg): Declare.
2564         * gimplify.c (create_tmp_reg): New function.
2565         (gimplify_return_expr): Use create_tmp_reg.
2566         (gimplify_omp_atomic): Likewise.
2567         (gimple_regimplify_operands): Likewise.
2568         * tree-dfa.c (make_rename_temp): Likewise.
2569         * tree-predcom.c (predcom_tmp_var): Likewise.
2570         (reassociate_to_the_same_stmt): Likewise.
2571         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2572         (get_replaced_param_substitute): Likewise.
2573         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2574         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2575         * tree-ssa-pre.c (get_representative_for): Likewise.
2576         (create_expression_by_pieces): Likewise.
2577         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2578         (create_tailcall_accumulator): Likewise.
2579
2580 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2581
2582         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2583         new_stmt.
2584         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2585
2586 2010-04-19  Richard Guenther  <rguenther@suse.de>
2587
2588         PR tree-optimization/43796
2589         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2590         from SCEV in the lattice.
2591         (vrp_visit_phi_node): Dump change.
2592
2593 2010-04-19  Richard Guenther  <rguenther@suse.de>
2594
2595         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2596         * configure: Re-generated.
2597
2598 2010-04-19  Richard Guenther  <rguenther@suse.de>
2599
2600         PR tree-optimization/43783
2601         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2602         constant ARRAY_REF operands two and three if possible.
2603
2604 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2605
2606         PR target/43766
2607         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2608
2609 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2610
2611         PR target/43662
2612         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2613
2614 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2615
2616         PR tree-optimization/37027
2617         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2618         and macro to access it.
2619         (vectorizable_reduction): Add argument.
2620         (vect_get_slp_defs): Likewise.
2621         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2622         statements for possible use in SLP.
2623         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2624         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2625         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2626         add new argument.
2627         (vectorizable_reduction): Likewise.
2628         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2629         vect_get_slp_defs.
2630         (vectorizable_type_demotion, vectorizable_type_promotion,
2631         vectorizable_store): Likewise.
2632         (vect_analyze_stmt): Update call to vectorizable_reduction.
2633         (vect_transform_stmt): Likewise.
2634         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2635         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2636         from different interleaving chains in same node.
2637         (vect_slp_rearrange_stmts): New function.
2638         (vect_supported_load_permutation_p): Allow load permutations for
2639         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2640         inside SLP nodes if necessary.
2641         (vect_analyze_slp_instance): Handle reductions.
2642         (vect_analyze_slp): Try to build SLP instances originating from groups
2643         of reductions.
2644         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2645         (vect_get_constant_vectors): Create initial vectors for reductions
2646         according to reduction code. Add new argument.
2647         (vect_get_slp_defs): Add new argument, pass it to
2648         vect_get_constant_vectors.
2649         (vect_schedule_slp_instance): Remove SLP tree root statements.
2650
2651 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2652
2653         * tree.h (ENUM_IS_SCOPED): Define.
2654         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2655         for ENUM_IS_SCOPED enums.
2656
2657 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2658
2659         * fold-const.c (fold_comparison): Use ssizetype.
2660         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2661         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2662         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2663         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2664
2665         * tree.h (initialize_sizetypes): Remove parameter.
2666         (build_common_tree_nodes): Remove second parameter.
2667         * stor-layout.c (initialize_sizetypes): Remove parameter.
2668         Always create an unsigned type.
2669         (set_sizetype): Assert that the passed type is unsigned and simplify.
2670         * tree.c (build_common_tree_nodes): Remove second parameter.
2671         Adjust call to initialize_sizetypes.
2672         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2673         build_common_tree_nodes.
2674
2675 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2676
2677         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2678
2679 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2680
2681         PR tree-optimization/43771
2682         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2683         load permutation doesn't have gaps.
2684
2685 2010-04-18  Jan Hubicka  <jh@suse.cz>
2686
2687         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2688         (sse_prologue_save_insn expander): Use new pattern.
2689         (sse_prologue_save_insn1): New pattern and splitter.
2690         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2691         blocks.
2692         * i386.c (setup_incoming_varargs_64): Do not compute jump
2693         destination here.
2694         (ix86_gimplify_va_arg): Update alignment needed.
2695         (ix86_local_alignment): Do not align all local arrays to 128bit.
2696
2697 2010-04-17  Jan Hubicka  <jh@suse.cz>
2698
2699         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2700
2701 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2702
2703         * arm.md (negdi2): Remove redundant code to force values into a
2704         register.
2705
2706 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2707
2708         * arm/bpabi.S: Add EABI alignment attributes to objects.
2709         * arm/bpabi-v6m.S: Likewise.
2710         * arm/crti.asm: Likewise.
2711         * arm/crtn.asm: Likewise.
2712         * arm/lib1funcs.asm: Likewise.
2713         * arm/libunwind.S: Likewise.
2714
2715 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2716
2717         * arm-protos.h (tune_params): New structure.
2718         * arm.c (current_tune): New variable.
2719         (arm_constant_limit): Delete.
2720         (struct processors): Add pointer to the tune parameters.
2721         (arm_slowmul_tune): New tuning option.
2722         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2723         (all_cores): Adjust to pick up the tuning model.
2724         (arm_constant_limit): New function.
2725         (arm_override_options): Select the appropriate tuning model.  Delete
2726         initialization of arm_const_limit.
2727         (arm_split_constant): Use the new constant-limit model.
2728         (arm_rtx_costs): Pick up the current tuning model.
2729         * arm.md (is_strongarm, is_xscale): Delete.
2730         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2731         for Xscale variant architectures.
2732         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2733
2734 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2735
2736         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2737         can_shift.
2738         (arm_rtx_costs_1): Remove unused variable extra_cost.
2739         (arm_unwind_emit_set): Use variable offset.
2740         (thumb1_output_casesi): Remove unused variable flags.
2741
2742 2010-04-16  Jeff Law  <law@redhat.com>
2743
2744         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2745         needing assignment rather than doing a two-phase assignment.  Remove
2746         unused variable 'm'.
2747
2748 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2749
2750         PR bootstrap/43767
2751         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2752
2753 2010-04-16  Doug Kwan  <dougkwan@google.com>
2754
2755         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2756         (next_operand_entry_id): New static variable.
2757         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2758         (add_to_ops_vec): Assigned unique ID to operand entry.
2759         (struct oecount_s): New field ID.
2760         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2761         (undistribute_ops_list): Assign unique IDs to oecounts.
2762         (init_reassoc): reset next_operand_entry_id.
2763
2764 2010-04-16  Doug Kwan  <dougkwan@google.com>
2765
2766         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2767         missing left parenthesis.
2768
2769 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2770
2771         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2772         *btdi_rex64 using SWI48 mode iterator.
2773         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2774         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2775         *jcc_btdi_mask_rex64.
2776
2777 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2778
2779         * double-int.h (tree_to_double_int): Convert to macro.
2780         * double-int.c (tree_to_double_int): Remove.
2781
2782 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2783
2784         PR debug/43762
2785         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2786         with want_address 2 and in case a single element list might be
2787         possible, call it again with want_address 0.
2788
2789 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2790
2791         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2792         case 'W' print operands for HI mode.
2793         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2794         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2795         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2796         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2797
2798         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2799
2800         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2801         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2802         #xx:3 and #xx:4 mode.
2803
2804         * config/h8300/h8300.md (inverted load with HImode dest): Add
2805         support for H8300SX.
2806
2807         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2808         satisfy 'U' constraint.
2809
2810 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2811
2812         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2813         * configure: Regenerate.
2814         * config.in: Regenerate.
2815         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2816         works.
2817
2818 2010-04-16  Richard Guenther  <rguenther@suse.de>
2819
2820         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2821         (struct tree_decl_common): ... here.
2822         (DECL_PT_UID): Adjust.
2823         (SET_DECL_PT_UID): Likewise.
2824         (DECL_PT_UID_SET_P): Likewise.
2825
2826 2010-04-16  Richard Guenther  <rguenther@suse.de>
2827
2828         PR tree-optimization/43572
2829         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2830         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2831         * tree-flow.h (is_call_clobbered): Remove.
2832         * tree-flow-inline.h (is_call_clobbered): Likewise.
2833         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2834         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2835         (execute_return_slot_opt): Adjust.
2836         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2837         check for call clobbered vars here.
2838         (find_tail_calls): Move tailcall verification to the
2839         proper place.
2840
2841 2010-04-16  Diego Novillo  <dnovillo@google.com>
2842
2843         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2844
2845 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2846
2847         PR target/40603
2848         * config/arm/arm.md (cbranchqi4): New pattern.
2849         * config/arm/predicates.md (const0_operand,
2850         cbranchqi4_comparison_operator): New predicates.
2851
2852 2010-04-16  Richard Guenther  <rguenther@suse.de>
2853
2854         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2855         (dump_gimple_stmt): Likewise.
2856
2857 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2858
2859         * recog.h (struct recog_data): New field is_operator.
2860         (struct insn_operand_data): New field is_operator.
2861         * recog.c (extract_insn): Set recog_data.is_operator.
2862         * genoutput.c (output_operand_data): Emit code to set the
2863         is_operator field.
2864         * reload.c (find_reloads): Use it rather than testing for an
2865         empty constraint string.
2866
2867         PR target/41514
2868         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2869         If the previous insn is a cbranchsi4_insn with the same arguments,
2870         omit the compare instruction.
2871
2872         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2873         register, inputs must be low registers and we need a low register
2874         scratch.  Handle alternative 2 like alternative 3.
2875
2876 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2877
2878         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2879         don't call get_addr on both.  If one expression is a VALUE and
2880         the other a REG, check VALUE's locs if the REG isn't among them.
2881
2882 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2883
2884         * config/sh/sh.h (sh_frame_pointer_required): New function.
2885         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2886         (flag_omit_frame_pointer) Set.
2887         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2888         (rounded_frame_size): Adjust size with outgoing_args_size.
2889         (sh_set_return_address): Must return from stack pointer.
2890         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2891         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2892         (ACCUMULATE_OUTGOING_ARGS): Define.
2893         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2894         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2895
2896 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2897
2898         PR target/43471
2899         * config/sh/sh.c (sh_legitimize_reload_address): Use
2900         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2901         Remove a unneeded check for offset_base.
2902
2903 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2904
2905         * configure: Regenerated.
2906
2907 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2908
2909         * config/s390/s390.c (s390_call_save_register_used): Switch back
2910         to HARD_REGNO_NREGS.
2911
2912 2010-04-15  Richard Guenther  <rguenther@suse.de>
2913
2914         * alias.c (alias_set_subset_of): Handle alias-set zero
2915         child properly.
2916
2917 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2918             Julian Brown  <julian@codesourcery.com>
2919
2920         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2921         alternatives according to use of high and low regs.
2922         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2923         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2924         optimizing for size on Thumb-2.
2925
2926 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2927
2928         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2929
2930 2010-04-15  Richard Guenther  <rguenther@suse.de>
2931
2932         * tree-ssa-structalias.c (struct variable_info): Add
2933         is_fn_info flag.
2934         (new_var_info): Initialize it.
2935         (dump_constraints): Support printing last added constraints.
2936         (debug_constraints): Adjust.
2937         (dump_constraint_graph): Likewise.
2938         (make_heapvar_for): Check for NULL cfun.
2939         (get_function_part_constraint): New function.
2940         (get_fi_for_callee): Likewise.
2941         (find_func_aliases): Properly implement IPA PTA constraints.
2942         (process_ipa_clobber): New function.
2943         (find_func_clobbers): Likewise.
2944         (insert_into_field_list_sorted): Remove.
2945         (create_function_info_for): Properly allocate vars for IPA mode.
2946         Do not use insert_into_field_list_sorted.
2947         (create_variable_info_for): Properly generate constraints for
2948         global vars in IPA mode.
2949         (dump_solution_for_var): Always dump the solution.
2950         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2951         (find_what_var_points_to): Adjust.
2952         (pt_solution_set): Change.
2953         (pt_solution_ior_into): New function.
2954         (pt_solution_empty_p): Export.
2955         (pt_solution_includes_global): Adjust.
2956         (pt_solution_includes_1): Likewise.
2957         (pt_solutions_intersect_1): Likewise.
2958         (dump_sa_points_to_info): Check some invariants.
2959         (solve_constraints): Move constraint dumping ...
2960         (compute_points_to_sets): ... here.
2961         (ipa_pta_execute): ... and here.
2962         (compute_may_aliases): Do not re-compute points-to info
2963         locally if IPA info is available.
2964         (ipa_escaped_pt): New global var.
2965         (ipa_pta_execute): Properly implement IPA PTA.
2966         * tree-into-ssa.c (dump_decl_set): Support dumping
2967         decls not in referenced-vars.
2968         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2969         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2970         (dump_points_to_solution): Likewise.
2971         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2972         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2973         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2974         (copy_decl_to_var): Copy DECL_PT_UID.
2975         (copy_result_decl_to_var): Likewise.
2976         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2977         (copy_node_stat): Copy it.
2978         * tree.h (DECL_PT_UID): New macro.
2979         (SET_DECL_PT_UID): Likewise.
2980         (DECL_PT_UID_SET_P): Likewise.
2981         (struct tree_decl_minimal): Add pt_uid member.
2982         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2983         (pt_solution_empty_p): Declare.
2984         (pt_solution_set): Adjust.
2985         (ipa_escaped_pt): Declare.
2986         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2987         * gimple-pretty-print.c (pp_points_to_solution): New function.
2988         (dump_gimple_call): Dump call clobber/use information.
2989         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2990         * tree-pass.h (TDF_ALIAS): New dump option.
2991         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2992         * doc/invoke.texi (-fipa-pta): Update documentation.
2993
2994 2010-04-15  Richard Guenther  <rguenther@suse.de>
2995
2996         * Makefile.in (OBJS-common): Add gimple-fold.o.
2997         (gimple-fold.o): New rule.
2998         * tree.h (maybe_fold_offset_to_reference,
2999         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3000         prototypes ...
3001         * gimple.h: ... here.
3002         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3003         may_propagate_address_into_dereference): Move prototypes ...
3004         * gimple.h: ... here.
3005         * tree-ssa-ccp.c (get_symbol_constant_value,
3006         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3007         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3008         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3009         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3010         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3011         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3012         gimplify_and_update_call_from_tree): Move ...
3013         * gimple-fold.c: ... here.  New file.
3014         (ccp_fold_builtin): Rename to ...
3015         (gimple_fold_builtin): ... this.
3016         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3017
3018 2010-04-15  Richard Guenther  <rguenther@suse.de>
3019
3020         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3021         fit_double_type, force_fit_type_double, add_double_with_sign,
3022         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3023         lrotate_double, rrotate_double, div_and_round_double): Move ...
3024         * double-int.c: ... here.
3025         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3026         add_double, neg_double, mul_double_with_sign, mul_double,
3027         lshift_double, rshift_double, lrotate_double, rrotate_double,
3028         div_and_round_double): Move prototypes ...
3029         * double-int.h: ... here.
3030
3031 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3032
3033         PR target/43742
3034         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3035         matching constraints to ensure inputs match the output.
3036
3037 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3038
3039         PR target/43742
3040         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3041         in an input-only operand.
3042
3043 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3044
3045         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3046         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3047         (double_int_negative_p): Convert to static inline function.
3048         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3049         (double_int_negative_p): Remove.
3050         * tree.h (lshift_double, rshift_double):
3051         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3052         * fold-const.c (fold_convert_const_int_from_real,
3053         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3054         (lshift_double): Change type of arith argument to bool.
3055         (rshift_double): Change type of arith argument to bool. Correct
3056         comment.
3057         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3058
3059 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3060
3061         PR target/21803
3062         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3063         at the start and end of the then/else blocks, and omit them from the
3064         conversion.
3065         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3066         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3067         (flow_find_head_matching_sequence): New function.
3068         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3069         * basic-block.h (flow_find_cross_jump,
3070         flow_find_head_matching_sequence): Declare functions.
3071
3072 2010-04-14  Jason Merrill  <jason@redhat.com>
3073
3074         PR c++/36625
3075         * c-common.c (attribute_takes_identifier_p): New fn.
3076         * c-common.h: Declare it.
3077
3078 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3079
3080         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3081         splitter condition.
3082         (*udivmod<mode>4): Ditto.
3083
3084 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3085
3086         * config/i386/i386.md (maxmin_int): Rename code attribute from
3087         maxminiprefix and update all users.
3088         (maxmin_float): Ditto from maxminfprefix.
3089         (logic): Ditto from logicprefix.
3090         (absneg_mnemonic): Ditto from absnegprefix.
3091         * config/i386/mmx.md: Update all users of maxminiprefix,
3092         maxminfprefix and logicprefix for rename.
3093         * config/i386/sse.md: Ditto.
3094         * config/i386/sync.md (sync_<code><mode>): Update for
3095         logicprefix rename.
3096
3097 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3098
3099         PR 42966
3100         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3101         warnings converted to errors.
3102
3103 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3104
3105         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3106         used insn_type variable.
3107         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3108         to avoid set-but-not-used warning.
3109
3110 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3111
3112         * df-core.c (df_ref_debug): Change format string placeholder
3113         from 0x%x to %#x.
3114         * dwarf2asm.c (dw2_asm_output_data_raw,
3115         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3116         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3117         * dwarf2out.c (output_cfi, output_cfi_directive,
3118         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3119         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3120         Ditto.
3121         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3122         * print-rtl.c (print_rtx): Ditto.
3123
3124 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3125
3126         PR middle-end/42694
3127         * builtins.c (expand_builtin_pow_root): New function to expand pow
3128         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3129         series of sqrt and cbrt calls under -ffast-math.
3130         (expand_builtin_pow): Call it.
3131
3132 2010-04-14  Michael Matz  <matz@suse.de>
3133
3134         PR tree-optimization/42963
3135         * tree-cfg.c (touched_switch_bbs): New static variable.
3136         (group_case_labels_stmt): New function broken out from ...
3137         (group_case_labels): ... here, use the above.
3138         (start_recording_case_labels): Allocate touched_switch_bbs.
3139         (end_recording_case_labels): Deallocate it, call
3140         group_case_labels_stmt.
3141         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3142
3143 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3144
3145         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3146         from insn template.
3147
3148 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3149
3150         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3151
3152 2010-04-13  Jan Hubicka  <jh@suse.cz>
3153
3154         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3155         of optimized out static functions.
3156         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3157         cost computation.  Also sanity check for overflows.
3158         (update_caller_keys): Update cgraph_edge_badness call; properly
3159         update fibheap and sanity check that it is up to date.
3160         (add_new_edges_to_heap): Update cgraph_edge_badness.
3161         (cgraph_decide_inlining_of_small_function): Likewise;
3162         add sanity checking that badness in heap is up to date;
3163         improve dumping of reason; Update badness of calls to the
3164         offline copy of function currently inlined; dump badness
3165         of functions not inlined because of unit growth limits.
3166
3167 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3168
3169         PR middle-end/32628
3170         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3171         because of sign-extension change when converting to sizetype here...
3172         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3173
3174         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3175         the folding to constants.  Remove redundant final conversion.
3176         (fold_binary) <associate>: Do not associate if the re-association of
3177         constants alone overflows.
3178         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3179         to the end of the list.
3180         (multiple_of_p) <COND_EXPR>: New case.
3181
3182 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3183
3184         * opt-functions.awk (opt_sanitized_name): New.
3185         (opt_enum): New.
3186         * optc-gen.awk: Use it
3187         * opth-gen.awk: Use it.
3188
3189 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3190
3191         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3192         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3193         children.  Call replace_uses_with_default_def_ssa_name to handle
3194         SSA_NAES on lhs.
3195
3196 2010-04-13  Michael Matz  <matz@suse.de>
3197
3198         PR middle-end/43730
3199         * builtins.c (expand_builtin_interclass_mathfn): Also create
3200         a register if the predicate doesn't match.
3201
3202 2010-04-13  Diego Novillo  <dnovillo@google.com>
3203
3204         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3205         * c-pch.c: Include timevar.h.
3206         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3207         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3208         * ggc-common.c: Include timevar.h.
3209         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3210         * timevar.def (TV_PCH_SAVE): Define.
3211         (TV_PCH_CPP_SAVE): Define.
3212         (TV_PCH_PTR_REALLOC): Define.
3213         (TV_PCH_PTR_SORT): Define.
3214         (TV_PCH_RESTORE): Define.
3215         (TV_PCH_CPP_RESTORE): Define.
3216
3217 2010-04-13  Michael Matz  <matz@suse.de>
3218
3219         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3220         into MINUS_EXPRs.
3221         (can_reassociate_p): New function.
3222         (break_up_subtract_bb, reassociate_bb): Use it.
3223
3224 2010-04-13  Richard Guenther  <rguenther@suse.de>
3225
3226         PR bootstrap/43737
3227         * builtins.c (c_readstr): Fix assert.
3228
3229 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3232         when generating cltd insn.
3233
3234         (*ashl<mode>3_1): Remove special handling for register operand 2.
3235         (*ashlsi3_1_zext): Ditto.
3236         (*ashlhi3_1): Ditto.
3237         (*ashlhi3_1_lea): Ditto.
3238         (*ashlqi3_1): Ditto.
3239         (*ashlqi3_1_lea): Ditto.
3240         (*<shiftrt_insn><mode>3_1): Ditto.
3241         (*<shiftrt_insn>si3_1_zext): Ditto.
3242         (*<shiftrt_insn>qi3_1_slp): Ditto.
3243         (*<rotate_insn><mode>3_1): Ditto.
3244         (*<rotate_insn>si3_1_zext): Ditto.
3245         (*<rotate_insn>qi3_1_slp): Ditto.
3246
3247 2010-04-13  Richard Guenther  <rguenther@suse.de>
3248
3249         * tree-ssa-structalias.c (callused_id): Remove.
3250         (call_stmt_vars): New.
3251         (get_call_vi): Likewise.
3252         (lookup_call_use_vi): Likewise.
3253         (lookup_call_clobber_vi): Likewise.
3254         (get_call_use_vi): Likewise.
3255         (get_call_clobber_vi): Likewise.
3256         (make_transitive_closure_constraints): Likewise.
3257         (handle_const_call): Adjust to do per-call call-used handling.
3258         (handle_pure_call): Likewise.
3259         (find_what_var_points_to): Remove general callused handling.
3260         (init_base_vars): Likewise.
3261         (init_alias_vars): Initialize call_stmt_vars.
3262         (compute_points_to_sets): Process call-used and call-clobbered
3263         vars for call statements.
3264         (delete_points_to_sets): Free call_stmt_vars.
3265
3266 2010-04-13  Richard Guenther  <rguenther@suse.de>
3267
3268         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3269         Only add RW dependence for dependence distance zero.
3270         Adjust maximal vectorization factor according to dependences.
3271         Move alignment handling ...
3272         (vect_find_same_alignment_drs): ... here.  New function.
3273         (vect_analyze_data_ref_dependences): Adjust.
3274         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3275         (vect_analyze_data_refs): Adjust minimal vectorization factor
3276         according to data references.
3277         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3278         dependences before determining the vectorization factor.
3279         Analyze alignment after determining the vectorization factor.
3280         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3281         dependences before alignment.
3282         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3283         Adjust prototype.
3284         (vect_analyze_data_refs): Likewise.
3285         (MAX_VECTORIZATION_FACTOR): New define.
3286
3287 2010-04-13  Duncan Sands  <baldrick@free.fr>
3288
3289         * except.h (lang_eh_type_covers): Remove.
3290         * except.c (lang_eh_type_covers): Likewise.
3291
3292 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3293             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3294
3295         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3296         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3297         UNITS_PER_LONG where it is ABI relevant.
3298         (s390_return_addr_rtx): Likewise.
3299         (s390_back_chain_rtx): Likewise.
3300         (s390_frame_area): Likewise.
3301         (s390_frame_info): Likewise.
3302         (s390_initial_elimination_offset): Likewise.
3303         (save_gprs): Likewise.
3304         (s390_emit_prologue): Likewise.
3305         (s390_emit_epilogue): Likewise.
3306         (s390_function_arg_advance): Likewise.
3307         (s390_function_arg): Likewise.
3308         (s390_va_start): Likewise.
3309         (s390_gimplify_va_arg): Likewise.
3310         (s390_function_profiler): Likewise.
3311         (s390_optimize_prologue): Likewise.
3312         (s390_rtx_costs): Likewise.
3313         (s390_secondary_reload): Likewise.
3314         (s390_promote_function_mode): Likewise.
3315         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3316         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3317         registers available.
3318         (s390_unwind_word_mode): New function.
3319         (s390_function_value): Split 64 bit values into register pair if
3320         used as return value.
3321         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3322         function call parameters.  Handle parallels.
3323         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3324         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3325         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3326         (s390_expand_setmem): Remove unused variable src_addr.
3327         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3328         deal with 64 bit registers.
3329         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3330         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3331         (UNITS_PER_LONG): New macro.
3332         * libjava/include/s390-signal.h: Define extended ucontext
3333         structure containing the upper halfs of the 64 bit registers.
3334
3335 2010-04-13  Simon Baldwin  <simonb@google.com>
3336
3337         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3338
3339 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3340
3341         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3342         rvalue on the RHS if the LHS is of a non-renamable type.
3343         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3344
3345 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3346
3347         * gcc.c (cc1_options): Handle -iplugindir before processing
3348         the cc1 spec. Only add -iplugindir once.
3349         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3350         found.
3351         * common.opt (iplugindir): Remove `Separate' property, initialize.
3352         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3353         option.
3354         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3355         (distclean): Remove plugin dir.
3356         * doc/invoke.texi: Document -iplugindir.
3357
3358 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3359
3360         * doc/plugins.texi (Loading Plugins): Document short
3361         -fplugin=foo option.
3362         (Plugin API): Mention default_plugin_dir_name function.
3363
3364         * gcc.c (find_file_spec_function): Add new declaration.
3365         (static_spec_func): Use it for "find-file".
3366         (find_file_spec_function): Add new function.
3367         (cc1_options): Add -iplugindir option if -fplugin* options found.
3368
3369         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3370
3371         * plugin.c (add_new_plugin): Updated comment, and handle short
3372         plugin name.
3373         (default_plugin_dir_name): Added new function.
3374
3375         * common.opt (iplugindir): New option to set the plugin directory.
3376
3377 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3378
3379         * config/i386/i386.md (any_rotate): New code iterator.
3380         (rotate_insn): New code attribute.
3381         (rotate): Ditto.
3382         (SWIM124): New mode iterator.
3383         (<rotate_insn>ti3): New expander.
3384         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3385         any_rotate code iterator.
3386         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3387         using any_rotate code iterator and SWIM124 mode iterator.
3388         (ix86_rotlti3): New insn_and_split pattern.
3389         (ix86_rotrti3): Ditto.
3390         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3391         ix86_rotl{di,ti}3 patterns.
3392         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3393         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3394         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3395         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3396         code iterator and SWI mode iterator.
3397         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3398         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3399         code iterator.
3400         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3401         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3402         (bswap rotatert splitter): Add splitter.
3403         (bswap splitter): Macroize splitter using any_rotate code iterator.
3404         Add insn predicate to split only for TARGET_USE_XCHGB or when
3405         optimizing function for size.
3406
3407 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3408
3409         * config/pa/pa.c (emit_move_sequence): Remove use of
3410         deleted variable flag_argument_noalias.
3411
3412 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3413
3414         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3415         configurations.
3416         Add to unsupported targets list.
3417         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3418         sparc*-sun-solaris2.[567]* from target lists.
3419         * configure: Regenerate.
3420         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3421         removal.
3422         Remove Solaris 7 patch references.
3423         (Specific, sparc-sun-solaris2.7): Removed.
3424         (sparc-sun-solaris2*): Update Solaris 7 example.
3425         (sparc64-*-solaris2*): Likewise.
3426
3427 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3428
3429         * config.build (alpha*-dec-osf4*): Remove.
3430         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3431         of obsolete configurations.
3432         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3433         support.
3434         * config/alpha/t-osf4: Renamed to ...
3435         * config/alpha/t-osf5: ... this.
3436         * config/alpha/osf.h: Renamed to ...
3437         * config/alpha/osf5.h: ... this.
3438         Merged old osf5.h contents.
3439         Update comments.
3440         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3441         (EXTRA_SPECS): Removed.
3442         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3443         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3444         Document that.
3445
3446 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3447
3448         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3449
3450 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3451
3452         PR/43702
3453         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3454         __thiscall convention.
3455
3456 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3457
3458         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3459         orig_base.
3460         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3461
3462 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3463
3464         * function.c (assign_parms_initialize_all): Add unused attribute
3465         to fntype.
3466
3467 2010-04-12  Richard Guenther  <rguenther@suse.de>
3468
3469         * gsstruct.def (GSS_CALL): New.
3470         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3471         * gimple.h: Include tree-ssa-alias.h.
3472         (struct gimple_statement_call): New.
3473         (union gimple_statement_struct_d): Add gimple_call member.
3474         (gimple_call_reset_alias_info): Declare.
3475         (gimple_call_use_set): New function.
3476         (gimple_call_clobber_set): Likewise.
3477         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3478         * gimple.c (gimple_call_reset_alias_info): New function.
3479         (gimple_build_call_1): Call it.
3480         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3481         * tree-inline.c (remap_gimple_stmt): Likewise.
3482         (expand_call_inline): Remove callused handling.
3483         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3484         * tree-dfa.c (dump_variable): Likewise.
3485         * tree-parloops.c (parallelize_loops): Likewise.
3486         * tree-ssa.c (init_tree_ssa): Likewise.
3487         (delete_tree_ssa): Likewise.
3488         * tree-flow-inline.h (is_call_used): Remove.
3489         * tree-flow.h (struct gimple_df): Remove callused member.
3490         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3491         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3492         (ref_maybe_used_by_call_p_1): Simplify.
3493         (call_may_clobber_ref_p_1): Likewise.
3494         * tree-ssa-structalias.c (compute_points_to_sets): Set
3495         the call stmt used and clobbered sets.
3496         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3497         (find_tail_calls): Verify the tail call.
3498
3499 2010-04-12  Richard Guenther  <rguenther@suse.de>
3500
3501         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3502         single-iteration always-inline inlining.
3503         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3504         (cgraph_decide_inlining): Do not handle always-inline specially.
3505         (try_inline): Remove always-inline cycle detection special case.
3506         Do not recurse on always-inlines.
3507         (cgraph_early_inlining): Do not iterate if not optimizing.
3508         (cgraph_gate_early_inlining): remove.
3509         (pass_early_inline): Run unconditionally.
3510         (gate_cgraph_decide_inlining): New function.
3511         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3512         not inlining or optimizing.
3513         (cgraph_decide_inlining_of_small_functions): Also consider
3514         always-inline functions.
3515         (cgraph_default_inline_p): Return true for nodes which should
3516         disregard inline limits.
3517         (estimate_function_body_sizes): Assume zero size and time for
3518         nodes which are marked as disregarding inline limits.
3519         (cgraph_decide_recursive_inlining): Do not perform recursive
3520         inlining on always-inline nodes.
3521
3522 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3523
3524         PR bootstrap/43699
3525         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3526         for exprs satisfying handled_component_p.
3527
3528 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3529
3530         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3531         non-constant aggregate elements.
3532
3533         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3534         is a real initialization.
3535
3536 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3537
3538         PR c/36774
3539         * c-decl.c (start_function): Move forward check for nested function.
3540
3541 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3542
3543         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3544         * config/sh/sh.c: Include reload.h.
3545         (sh_legitimize_reload_address): New.
3546         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3547         sh_legitimize_reload_address.
3548
3549 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3550
3551         * config/sh/sh.md (*movqi_pop): New insn pattern.
3552         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3553
3554 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3555
3556         * config/i386/i386.md (any_shiftrt): New code iterator.
3557         (shiftrt_insn): New code attribute.
3558         (shiftrt): Ditto.
3559         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3560         using any_shiftrt code iterator.
3561         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3562         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3563         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3564         pattern from corresponding peephole2 patterns.
3565         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3566         using any_shiftrt code iterator.
3567         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3568         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3569         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3570         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3571         *{ashr,lshr}<mode>3_cmp_zext.
3572         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3573
3574 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3575
3576         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3577         scratch register.
3578         (*lshr<mode>3_cconly): Ditto.
3579
3580 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3581
3582         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3583         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3584         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3585         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3586         DWI mode iterator.
3587         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3588         from corresponding peephole2 patterns.
3589         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3590         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3591         and *lshrdi3_1_rex64 using SWI mode iterator.
3592         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3593         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3594         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3595         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3596         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3597         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3598         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3599         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3600         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3601         SWI mode iterator.
3602
3603 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3604
3605         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3606         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3607         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3608         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3609         DWI mode iterator.
3610         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3611         from corresponding peephole2 patterns.
3612         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3613         (ashrsi3_cvt): Rename from ashrsi3_31.
3614         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3615         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3616         and x86_64_shift_adj_3 using SWI48 mode iterator.
3617         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3618         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3619         and *ashrdi3_1_rex64 using SWI mode iterator.
3620         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3621         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3622         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3623         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3624         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3625         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3626         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3627         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3628         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3629         SWI mode iterator.
3630         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3631         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3632         x86_shift<mode>_adj_3 expanders.
3633
3634 2010-04-10  Wei Guozhi  <carrot@google.com>
3635
3636         PR target/42601
3637         * config/arm/arm.c (arm_pic_static_addr): New function.
3638         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3639         a static symbol.
3640         (arm_output_addr_const_extra): Output expression for new pattern.
3641         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3642
3643 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3644
3645         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3646         not enabled.
3647
3648         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3649         * web.c: Include "insn-config.h" and "recog.h".
3650         (union_match_dups): New function.
3651         (web_main): Call it.
3652         (union_defs): Don't try to recognize match_dups.
3653
3654         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3655         if doing so would replace the entire pattern.
3656
3657 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3658
3659         PR target/43707
3660         PR target/43709
3661         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3662         and splitter pattern.  Change splitter operand 1 predicate to
3663         nonmemory_operand.
3664
3665 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3666
3667         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3668         lattices are addresses of CONST_DECLs with the same initial value.
3669         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3670         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3671
3672 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3673             Bernd Schmidt  <bernds@codesourcery.com>
3674
3675         * loop-invariant.c (replace_uses): New static function.
3676         (move_invariant_reg): Use it to ensure we can replace the uses.
3677
3678 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3679
3680         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3681         function template.
3682         (picochip_override_options): Enable section anchors only above -O1.
3683         (picochip_reorg): Fixed a couple of build warnings.
3684
3685 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3686
3687         * configure.ac (plugin -rdynamic test): Log result.
3688         * configure: Regenerate.
3689         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3690         (RDYNAMIC_SPEC): Define.
3691         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3692
3693 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3694
3695         * configure.ac: Determine Sun ld version numbers.
3696         (comdat_group): Restrict GNU ld version checks to gld.
3697         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3698         (enable_comdat): Support --enable-comdat.
3699         * configure: Regenerate.
3700         * doc/install.texi (Configuration): Document --enable-comdat.
3701
3702 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3703
3704         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3705         * config/sol2-gld.h: ... here.
3706         * config.gcc (sparc*-*-solaris2*): Reflect this.
3707         (i[34567]86-*-solaris2*): Use it.
3708
3709 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3710
3711         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3712         setup_clocks_p.
3713         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3714
3715 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3716
3717         PR 42965
3718         * diagnostic.c (diagnostic_initialize): Initialize
3719         some_warnings_are_errors.
3720         (diagnostic_finish): New.
3721         (diagnostic_action_after_output): Call it before exiting.
3722         (diagnostic_report_diagnostic): Do not print message here. Set
3723         some_warnings_are_errors.
3724         * diagnostic.h (diagnostic_context): Delete
3725         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3726         (diagnostic_finish): Declare.
3727         * toplev.c (toplev_main): Call it before exit.
3728
3729 2010-04-09  Jason Merrill  <jason@redhat.com>
3730
3731         PR c++/42623
3732         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3733         for incomplete type.
3734
3735         PR c++/41788
3736         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3737         based on a warning flag.
3738
3739 2010-04-09  Richard Guenther  <rguenther@suse.de>
3740
3741         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3742
3743 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3744
3745         PR bootstrap/43684
3746         * varasm.c (default_assemble_visibility): Wrap vars that are
3747         set, but unused, by targets without GAS.
3748         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3749         Remove set, but unused, vars.
3750         (rs6000_legitimize_tls_address): Likewise.
3751         (altivec_expand_dst_builtin): Likewise.
3752         * config/darwin.c (machopic_classify_symbol): Likewise.
3753         (machopic_indirection_name): Likewise.
3754
3755 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3756
3757         * config/i386/i386.md (DWI): New mode iterator.
3758         (S): New mode attribute.
3759         (shift_operand): Ditto.
3760         (shift_immediate_operand): Ditto.
3761         (ashl_input_operand): Ditto.
3762         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3763         using SDWIM mode iterator.
3764         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3765         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3766         DWI mode iterator.
3767         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3768         from corresponding peephole2 patterns.
3769         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3770         and x86_64_shift_adj_1 using SWI48 mode iterator.
3771         (x86_shift<mode>_adj_2): Ditto.
3772         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3773         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3774         using SWI48 mode iterator.
3775         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3776         *ashldi3_cmp_rex64 using SWI mode iterator.
3777         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3778         *ashldi3_cconly_rex64 using SWI mode iterator.
3779         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3780         x86_shift<mode>_adj_{1,2}.
3781         (ix86_split_ashr): Ditto.
3782         (ix86_split_lshr): Ditto.
3783
3784 2010-04-09  Richard Guenther  <rguenther@suse.de>
3785
3786         * target.h (builtin_conversion): Pass in input and output types.
3787         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3788         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3789         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3790         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3791
3792         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3793         Handle AVX modes.
3794         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3795
3796 2010-04-09  Richard Guenther  <rguenther@suse.de>
3797
3798         PR target/43152
3799         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3800
3801 2010-04-09  Richard Guenther  <rguenther@suse.de>
3802
3803         * tree-vectorizer.h (struct _stmt_vec_info): Document
3804         that vectype is the type of the LHS.
3805         (supportable_widening_operation, supportable_narrowing_operation):
3806         Get both input and output vector types as arguments.
3807         (vect_is_simple_use_1): Declare.
3808         (get_same_sized_vectype): Likewise.
3809         * tree-vect-loop.c (vect_determine_vectorization_factor):
3810         Set STMT_VINFO_VECTYPE to the vector type of the def.
3811         (vectorizable_reduction): Adjust.
3812         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3813         Adjust.  Specify the output vector type.
3814         (vect_pattern_recog_1): Adjust.
3815         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3816         (vectorizable_call): Adjust.
3817         (vectorizable_conversion): Likewise.
3818         (vectorizable_operation): Likewise.
3819         (vectorizable_type_demotion): Likewise.
3820         (vectorizable_type_promotion): Likewise.
3821         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3822         the def.
3823         (vect_is_simple_use_1): New function.
3824         (supportable_widening_operation): Get both input and output
3825         vector types.
3826         (supportable_narrowing_operation): Likewise.
3827         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3828
3829 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3830
3831         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3832         __thiscall and _thiscall as predefined macros.
3833         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3834         thiscall attribute handling.
3835         (ix86_comp_type_attributes): Likewise.
3836         (ix86_function_regparm): Likewise.
3837         (ix86_return_pops_args): Likewise.
3838         (init_cumulative_args): Likewise.
3839         (find_drap_reg): Likewise.
3840         (ix86_static_chain): Likewise.
3841         (x86_this_parameter): Likewise.
3842         (x86_output_mi_thunk): Likewise.
3843         (ix86_attribute_table): Add description for thiscall attribute.
3844         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3845         * doc/extend.texi: Add documentation for thiscall.
3846
3847 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3848
3849         PR c++/28584
3850         * c.opt (Wint-to-pointer-cast): Available in C++.
3851         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3852
3853 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3854
3855         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3856         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3857         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3858         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3859         function type instead.  Reorder and simplify checks.
3860
3861         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3862
3863 2010-04-08  Jing Yu  <jingyu@google.com>
3864             Zdenek Dvorak  <ook@ucw.cz>
3865
3866         PR tree-optimization/42720
3867         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3868         loop unswitch conditions here from ...
3869         (tree_unswitch_single_loop): ... here.
3870
3871 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3872
3873         * tree-if-conv.c: Fix comments and simplify logic.
3874
3875 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3876
3877         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3878         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3879         (main_tree_if_conversion): Update call to tree_if_conversion.
3880
3881 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3882
3883         PR 42485
3884         * doc/invoke.texi (-b,-V): Delete.
3885         * doc/tm.texi: Do not mention -b.
3886         * gcc.c (display_help): Delete -b and -V.
3887         (process_command): Delete -b and -V.
3888         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3889
3890 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3891             Wolfgang Gellerich  <gellerich@de.ibm.com>
3892
3893         Implement target hook for loop unrolling
3894         * target.h (loop_unroll_adjust): Add a new target hook function.
3895         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3896         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3897         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3898         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3899         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3900         target hook.
3901         (decide_unroll_stupid): Likewise.
3902
3903 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3904
3905         PR target/43643
3906         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3907
3908 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3909
3910         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3911         (Specific, *-*-solaris2*): Likewise.
3912         Don't prefer Sun as over GNU as.
3913
3914 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3915
3916         * config/s390/s390.c (override_options): Adjust the z10
3917           defaults for max-unroll-times, max-completely-peeled-insns
3918           and max-completely-peel-times.
3919
3920 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3921
3922         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3923         instructions for z10.
3924         (s390_expand_setmem): Likewise.
3925         (s390_expand_cmpmem): Likewise.
3926
3927 2010-04-08  Richard Guenther  <rguenther@suse.de>
3928
3929         PR tree-optimization/43679
3930         * tree-ssa-pre.c (eliminate): Only propagate copies.
3931
3932 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3933
3934         PR bootstrap/43681
3935         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3936         set but not used variable warning.
3937
3938 2010-04-08  Wei Guozhi  <carrot@google.com>
3939
3940         PR target/41653
3941         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3942         (arm_size_rtx_costs): Call the new function when optimized for size.
3943
3944 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3945
3946         PR debug/43670
3947         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3948         op0 is not a MEM, just return NULL instead of assertion
3949         failure.
3950         (discover_nonconstant_array_refs): Don't walk debug stmts.
3951
3952 2010-04-08  Doug Kwan  <dougkwan@google.com>
3953
3954         * configure.ac: Recognize gold and do not use its version number
3955         to test ld features.
3956         * configure: Regenerate.
3957
3958 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3959
3960         PR middle-end/40815
3961         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3962         (negate_value): Move code to push elements to broken_up_substracts ...
3963         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3964         negative pair to plus_negates.
3965         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3966
3967 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3968
3969         * doc/install.texi (Configuration): Move description of
3970         --enable-lto, --with-libelf*, --enable-gold from Java section to
3971         general section.
3972
3973         * doc/generic.texi (Working with declarations)
3974         (Function Properties, C and C++ Trees): Fix typos.
3975         * doc/sourcebuild.texi (Top Level): Likewise.
3976
3977 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3978
3979         PR c/18624
3980         * tree.h (DECL_READ_P): Define.
3981         (struct tree_decl_common): Add decl_read_flag.
3982         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3983         a set but not used warning.
3984         (merge_decls): Merge DECL_READ_P flag.
3985         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3986         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3987         * c-common.c (handle_used_attribute, handle_unused_attribute):
3988         Likewise.
3989         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3990         New prototypes.
3991         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3992         New functions.
3993         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3994         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3995         c_parser_binary_expression, c_parser_cast_expression,
3996         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3997         Call default_function_array_read_conversion instead of
3998         default_function_array_conversion where needed.
3999         (c_parser_unary_expression, c_parser_conditional_expression,
4000         c_parser_postfix_expression_after_primary, c_parser_initelt):
4001         Likewise.  Call mark_exp_read where needed.
4002         (c_parser_statement_after_labels, c_parser_asm_operands,
4003         c_parser_typeof_specifier, c_parser_sizeof_expression,
4004         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4005         where needed.
4006         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4007         New.
4008         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4009         (warn_unused_but_set_parameter): Default to warn_unused
4010         && extra_warnings.
4011         * doc/invoke.texi: Document -Wunused-but-set-variable and
4012         -Wunused-but-set-parameter.
4013
4014         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not