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1 2010-05-14  Jason Merrill  <jason@redhat.com>
2
3         PR c++/44127
4         * gimplify.c (gimplify_seq_add_stmt): No longer static.
5         * gimple.h: Declare it.
6         * gimple.c (gimple_build_eh_filter): No ops.
7
8 2010-05-14  Jan Hubicka  <jh@suse.cz>
9
10         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
11         nodes already in queue.
12         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with re-enqueueing
13         node.
14
15 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
16
17         PR debug/44136
18         * cfgexpand.c (expand_debug_expr): If non-memory op0
19         has BLKmode, return NULL.
20
21 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
22
23         * config.gcc: Add support for --with-cpu option for bdver1.
24         * config/i386/i386.h (TARGET_BDVER1): New macro.
25         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
26         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
27         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
28         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
29         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
30         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
31         (processor_type): Add PROCESSOR_BDVER1.
32         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
33         processor_type in config/i386/i386.h.
34         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
35         movaps <reg, reg> instead of movapd <reg, reg> when replacing
36         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
37         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
38         to emit packed xor instead of packed double/packed integer
39         xor for SSE and AVX when moving a zero value.
40         * config/i386/sse.md: Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
41          to emit movaps instead of movapd/movdqa for SSE and AVX.
42         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single
43         logical operations i.e and, or and xor instead of packed double logical
44         operations for SSE and AVX. 
45         * config/i386/i386-c.c: 
46         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
47         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
48         (has_fma4, has_xop): New.
49         * config/i386/i386.c (bdver1_cost): New variable.
50         (m_BDVER1): New macro.
51         (m_AMD_MULTIPLE): Add m_BDVER1.
52         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
53          x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
54          x86_tune_use_simode_fiop, x86_tune_promote_qimode, 
55          x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
56          x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
57          x86_tune_sse_partial_reg_dependency, x86_tune_sse_unaligned_load_optimal,
58          x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
59          x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
60          x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
61          x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
62          x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch): 
63         Enable/disable for bdver1.
64         (processor_target_table): Add bdver1_cost.
65         (cpu_names): Add bdver1.
66         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
67          processor_alias_table.
68         (ix86_expand_vector_move_misalign): Change 
69          TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
70          Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
71          Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
72          of movupd/movdqu for SSE and AVX.
73         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
74         (ix86_tune_adjust_cost): Add code for bdver1.
75         (standard_sse_constant_opcode): Add check for
76         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
77         of packed double xor for SSE and AVX.
78
79 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
80
81         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
82         result to unsigned.
83
84 2010-05-14  Tristan Gingold  <gingold@adacore.com>
85
86         * toplev.c (default_debug_hooks): Remove this variable.
87         (process_options): Remove assignments to default_debug_hooks.
88
89 2010-05-14  Martin Jambor  <mjambor@suse.cz>
90
91         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
92         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
93         * langhooks.h (struct lang_hooks_for_decls): Removed field
94         fold_obj_type_ref.
95         * tree.c (free_lang_data): Remove assignment to
96         lang_hooks.fold_obj_type_ref.
97         * tree.def (OBJ_TYPE_REF): Update comment.
98
99 2010-05-14  Richard Guenther  <rguenther@suse.de>
100
101         PR tree-optimization/44124
102         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
103
104 2010-05-14  Alan Modra  <amodra@gmail.com>
105
106         PR target/44075
107         * config/rs6000/rs6000.c (struct machine_function): Reorder
108         fields for better packing.  Add lr_save_state.
109         (rs6000_ra_ever_killed): Return lr_save_state if set.
110         (rs6000_emit_eh_reg_restore): Set lr_save_state.
111
112 2010-05-13  Jan Hubicka  <jh@suse.cz>
113
114         * varpool.c (decide_is_variable_needed): Drop code checking
115         TREE_SYMBOL_REFERENCED.
116
117 2010-05-13  Jan Hubicka  <jh@suse.cz>
118
119         * final.c (output_addr_const): Do not call mark_decl_referenced.
120         * cgraphunit.c (process_function_and_variable_attributes): Use
121         mark_needed_node dirrectly.
122         (assemble_thunk): Do not call mark_decl_referenced.
123
124 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
125
126         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
127
128 2010-05-13  Jeff Law  <law@redhat.com>
129
130         * ira-conflicts.c (print_allocno_conflicts): New function broken out
131         from...
132         (print_conflicts): Call print_allocno_conflicts.
133
134 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
135
136         PR debug/44104
137         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
138         if it is NULL.
139
140 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
141
142         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
143         t-mingw-w64 or t-mingw-w32 for multilib configuration.
144         * config/i386/t-mingw-w32: New.
145         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
146         
147 2010-05-13  Martin Jambor  <mjambor@suse.cz>
148
149         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
150         gimple-fold.c).
151         * gimple-fold.c (get_base_binfo_for_type): New function.
152         (gimple_get_relevant_ref_binfo): Likewise.
153         (gimple_fold_obj_type_ref_known_binfo): Likewise.
154         (gimple_fold_obj_type_ref): Likewise.
155         (fold_gimple_call): Simplify condition for folding virtual calls
156         and call gimple_fold_obj_type_ref.
157         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
158         (gimple_fold_obj_type_ref_known_binfo): Likewise.
159
160 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
161
162         * config/rs6000/rs6000-protos.h
163         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
164         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
165         (rs6000_debug_mode_dependent_address)
166         (rs6000_mode_dependent_address_ptr): Likewise.
167
168 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
169
170         PR debug/43983
171         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
172         by SRA.
173         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
174         * tree-sra.c (create_access_replacement): Call unshare_expr before
175         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
176         it.
177         * dwarf2out.c: Include tree-flow.h.
178         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
179         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
180         Handle DW_OP_bit_piece.
181         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
182         construct_piece_list, adjust_piece_list): New functions.
183         (add_var_loc_to_decl): Handle SRA optimized variables.
184         Adjust for var_loc_note to loc field renaming.
185         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
186         in VAR_LOCATION note.
187         (new_loc_descr_op_bit_piece): New function.
188         (dw_sra_loc_expr): New function.
189         (dw_loc_list): Use it.  Don't handle the last range after the
190         loop, handle it inside of the loop.  Adjust for var_loc_note
191         to loc field renaming.
192         (add_location_or_const_value_attribute): Only special case
193         single entry loc lists if loc is NOTE_P.  Adjust for
194         var_loc_note to loc field renaming.
195         (dwarf2out_var_location): Don't set newloc->var_loc_note
196         and newloc->next here.
197
198 2010-05-12  Jan Hubicka  <jh@suse.cz>
199
200         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
201         flag.
202         * cgraph.h (cgraph_only_called_directly_p,
203         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
204         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
205         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
206         (assemble
207         * ipa.c (cgraph_remove_unreachable_nodes): Use
208         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
209         flags.
210         * tree-inline.c (copy_bb): Check address_taken flag.
211         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
212         externally_visible flag.
213
214 2010-05-12  Jason Merrill  <jason@redhat.com>
215
216         PR bootstrap/44048
217         PR target/44099
218         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
219         * sdbout.c (plain_type_1): Likewise.
220         * dwarf2out.c (is_base_type): Likewise.
221         (gen_type_die_with_usage): Likewise.  Generate
222         DW_TAG_unspecified_type for any LANG_TYPE.
223
224 2010-05-12  Jan Hubicka  <jh@suse.cz>
225
226         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
227         indrect edges too.
228         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
229         (cgraph_clone_edge): Update.
230         (cgraph_node_remove_callees): Remove indirect calls too.
231         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
232         (cgraph_create_indirect_edge): Update prototype.
233         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
234         is_proper_for_analysis.
235         (add_new_function, visited_nodes, function_insertion_hook_holder,
236         get_local_reference_vars_info, mark_address_taken, mark_address,
237         mark_load, mark_store, check_asm_memory_clobber, check_call,
238         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
239         (ipa_init): Do not initialize visited_nodes;
240         function_insertion_hook_holder.
241         (analyze_variable): Rewrite.
242         (analyze_function): Rewrite.
243         (copy_local_bitmap): Remove.
244         (duplicate_node_dat): Do not duplicate local info.
245         (generate_summary): Simplify to only walk cgraph.
246         (write_node_summary_p, ipa_reference_write_summary,
247         ipa_reference_read_summary): Remove.
248         (propagate): Do not remove function insertion;
249         generate summary.
250         (pass_ipa_reference): NULLify summary handling fields.
251         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
252         (input_edge): Input ecf_flags.
253         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
254         (update_indirect_edges_after_inlining): Ignore edges with unknown
255         param.
256
257 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
258
259         * implicit-zee.c: New file.
260         * tree-pass.h (pass_implicit_zee): Declare.
261         * passes.c (init_optimization_passes): Add zee pass.
262         * common.opt (fzee): New flag.
263         * timevar.def (TV_ZEE): Define.
264         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
265         and beyond.
266         * Makefile.in (implicit-zee.o): Add new build file.
267
268 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
269             Nathan Froyd  <froydnj@codesourcery.com>
270
271         * c-common.c (sync_resolve_params): Remove write-only variable.
272
273 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
274
275         * target.h (struct gcc_target): Add mode_dependent_address_p field.
276         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
277         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
278         * targhooks.c (default_mode_dependent_address_p): New function.
279         * targhooks.h (default_mode_dependent_address_p): Declare function.
280         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
281         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
282         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
283         target hook. Change return type to bool.
284         * recog.h: (mode_dependent_address_p): Change return type to bool.
285
286 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
287             Nathan Froyd  <froydnj@codesourcery.com>
288
289         * tree-mudflap.c (build_function_type_0, build_function_type_1,
290         build_function_type_2, build_function_type_3): Remove.
291         (mudflap_init): Use build_function_type_list.
292
293 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
294             Nathan Froyd  <froydnj@codesourcery.com>
295
296         * coverage.c (build_fn_info_value): Call build_constructor instead of
297         build_constructor_from_list.
298         (build_ctr_info_value): Likewise.
299         (build_gcov_info): Likewise.
300
301 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
302
303         * tree.c (build_constructor): Compute TREE_CONSTANT for the
304         resultant constructor.
305         (build_constructor_single): Don't set TREE_CONSTANT.
306         (build_constructor_from_list): Don't compute TREE_CONSTANT.
307
308 2010-05-12  Jan Hubicka  <jh@suse.cz>
309
310         * cgraph.h (struct varpool_node): Add aux.
311         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
312         * varpool.c (varpool_remove_node): Do not remove initializer.
313         (varpool_reset_queue): Export.
314         (varpool_finalize_decl): Volatile vars are forced to be output.
315         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
316         replaced decl.
317         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
318         process_references, varpool_can_remove_if_no_refs): New functions.
319         (cgraph_remove_unreachable_nodes): Handle variables too.
320
321 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
322
323         PR target/44088
324         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
325
326 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
327
328         PR middle-end/44085
329         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
330         change value of ORT_TASK.
331         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
332         (omp_notice_threadprivate_variable): New function.
333         (omp_notice_variable): Call it for threadprivate variables.
334         If enclosing ctx is a task, print enclosing task rather than
335         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
336         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
337         if task has untied clause.
338
339         PR debug/42278
340         * dwarf2out.c (base_type_die): Don't add name attribute here.
341         (modified_type_die): Instead of sizetype use
342         its underlying original type.  If a DW_TAG_base_type doesn't
343         have name added, add __unknown__.
344         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
345         always call force_type_die instead.
346
347 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
348
349         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
350         for __stack_chk_guard.
351
352 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
353
354         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
355         don't call start_source_file debug hook here...
356         (finish_options): ... but here, after outputting predefined and
357         command line defines and undefs.
358
359         PR middle-end/44071
360         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
361         no fallthru edge.
362         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
363         optimizing away empty bb with no successors, move over its
364         footer chain to fallthru predecessor.
365         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
366         (rtl_split_edge): For asm goto call patch_jump_insn even if
367         splitting fallthru edge.
368
369         PR c++/44059
370         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
371         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
372         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
373         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
374         on DW.ref.* decls.
375
376         PR c++/44062
377         * c-parser.c (c_parser_expression): Mark LHS of a comma
378         expression as read if it is a decl, handled component or
379         COMPOUND_EXPR with that on the RHS.
380         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
381         if it is a decl or handled component.
382
383 2010-05-11  Jan Hubicka  <jh@suse.cz>
384
385         * lto-symtab.c (lto_symtab_free): New function.
386         * lto-streamer.h (lto_symtab_free): Declare.
387
388 2010-05-11  Jan Hubicka  <jh@suse.cz>
389
390         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
391         that if function is needed it is reachable.
392         (lto_output_node): See if it the function is reachable or referenced.
393         (output_cgraph): Update call of lto_output_node.
394         * lto-streamer.h (reachable_from_other_partition_p): Declare.
395
396 2010-05-11  Jan Hubicka  <jh@suse.cz>
397
398         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
399         Mark as used.
400
401 2010-05-11  Jan Hubicka  <jh@suse.cz>
402
403         PR tree-optimize/44063
404         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
405         queue.
406         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
407         limits.
408         (estimate_function_body_sizes): Compute sizes even when disregarding.
409
410 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
411
412         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
413
414 2010-05-11  Jan Hubicka  <jh@suse.cz>
415
416         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
417         into every boundary.
418
419 2010-05-11  Jan Hubicka  <jh@suse.cz>
420
421         * matrix-reorg.c (matrix_reorg): Rebuild edges.
422
423 2010-05-11  Jan Hubicka  <jh@suse.cz>
424
425         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
426         lto_streamer_cache_delete): Put nodes into heap.
427         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
428         heap.
429
430 2010-05-11  Jan Hubicka  <jh@suse.cz>
431
432         * cgraphbuild.c (cgraph_rebuild_references): New.
433         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
434         out extern inlines.
435         * cgraph.h (cgraph_rebuild_references): Declare.
436         * tree-inline.c (tree_function_versioning): Use it.
437         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
438
439 2010-05-11  Jan Hubicka  <jh@suse.cz>
440
441         * cgraph.c: Include ipa-utils.h
442         (cgraph_create_virtual_clone): Update references.
443         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
444
445 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
446
447         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
448         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
449         cache size.
450
451 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
452
453         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
454
455 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
456
457         * gcc.c (execute): For -### don't quote arguments that
458         contain just alphanumerics and _/-. characters.
459         * doc/invoke.texi: Document that change for -###.
460
461         PR debug/44023
462         * df-problems.c (struct dead_debug): Add to_rescan field.
463         (dead_debug_init): Clear to_rescan field.
464         (dead_debug_finish): Rescan all debug insns in to_rescan
465         bitmap and free the bitmap.
466         (dead_debug_insert_before): Instead of rescanning debug insns
467         immediately queue their rescanning until dead_debug_finish.
468         (df_note_bb_compute): After dead_debug_add do continue instead
469         of break.
470
471 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
472
473         PR debug/44028
474         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
475         clear also INSN_REG_USE_LIST.
476
477 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
478
479         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
480
481 2010-05-10  Jan Hubicka  <jh@suse.cz>
482
483         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
484         commited change.
485
486 2010-05-10  Jan Hubicka  <jh@suse.cz>
487
488         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
489         Allocate encoders.
490         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
491         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
492         (lto_streamer_cache_create): Init alloc pool.
493         (lto_streamer_cache_delete): Free alloc pool.
494         * lto-streamer.h: Include alloc pool.
495         (lto_streamer_cache_d): Use alloc pool.
496         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
497
498 2010-05-10  Jan Hubicka  <jh@suse.cz>
499
500         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
501         * cgraphbuild.c: Include except.h
502         (record_type_list, record_eh_tables): New function.
503         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
504
505 2010-05-10  Jan Hubicka  <jh@suse.cz>
506
507         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
508         __frame_dummy_init_array_entry, force_to_data): Attribute as used
509         rather than unused.
510
511 2010-05-10  Michael Matz  <matz@suse.de>
512
513         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
514         (can_reassociate_p): Use FLOAT_TYPE_P.
515         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
516         (vect_force_simple_reduction): ... this.
517         * tree-parloops.c (gather_scalar_reductions): Use
518         vect_force_simple_reduction.
519         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
520         vect_is_simple_reduction, add modify argument, if true rewrite
521         "a-b" into "a+(-b)".
522         (vect_is_simple_reduction, vect_force_simple_reduction): New
523         functions.
524         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
525
526 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
527             Vladimir Makarov  <vmakarov@redhat.com>
528
529         PR rtl-optimization/44012
530         * ira-build.c (remove_unnecessary_allocnos): Nullify
531         regno_allocno_map of the removed allocno.
532
533 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
534
535         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
536         to /dev/null.
537         * configure: Regenerate.
538
539 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
540
541         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
542         unused.
543         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
544         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
545         support in Sun ld.
546         * configure: Regenerate.
547
548 2010-05-10  Richard Guenther  <rguenther@suse.de>
549
550         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
551         marked if the entry identifier is marked.
552
553 2010-05-10  Richard Guenther  <rguenther@suse.de>
554
555         * c-common.c (struct c_common_attributes): Add fnspec attribute.
556         (handle_fnspec_attribute): New function.
557         * gimple.h (gimple_call_return_flags): Declare.
558         (gimple_call_arg_flags): Likewise.
559         * gimple.c (gimple_call_arg_flags): New function.
560         (gimple_call_return_flags): Likewise.
561         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
562         New argument flags.
563         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
564         return value flags.
565         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
566         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
567         main work to ...
568         (make_heapvar_for): ... this new function.
569         (handle_rhs_call): Handle fnspec attribute argument specifiers.
570         (handle_lhs_call): Likewise.
571         (find_func_aliases): Adjust.
572
573 2010-05-10  Richard Guenther  <rguenther@suse.de>
574
575         PR tree-optimization/44050
576         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
577
578 2010-05-10  Wei Guozhi  <carrot@google.com>
579
580         PR target/42879
581         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
582
583 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
584
585         PR c/10676
586         * c-typeck.c (lookup_field): Take a type directly.  Update
587         recursive calls.
588         (build_component_ref): Update call to lookup_field.
589         (set_init_label): Use lookup_field to find initialized field.
590         Handle returned list of fields like a sequence of designators.
591
592 2010-05-09  Richard Guenther  <rguenther@suse.de>
593
594         PR middle-end/44024
595         * fold-const.c (tree_single_nonzero_warnv_p): Properly
596         handle &FUNCTION_DECL.
597
598 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
599
600         PR c/4784
601         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
602         structures and unions recursively.
603         (detect_field_duplicates): Move duplicate detection with a hash to
604         detect_field_duplicates_hash.  Always use a hash if anonymous
605         structures or unions are present.
606         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
607         give errors.
608
609 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
610
611         PR target/44046
612         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
613         detect Atom, Core 2 and Core i7.
614
615 2010-05-09  Richard Guenther  <rguenther@suse.de>
616
617         * gcc.c (store_arg): Handle temporary file deletion for
618         joined arguments.
619
620 2010-05-09  Richard Guenther  <rguenther@suse.de>
621
622         PR middle-end/44043
623         * ipa-inline.c (estimate_function_body_sizes): Return after
624         disregarding inline limits.
625
626 2010-05-09  Richard Guenther  <rguenther@suse.de>
627
628         * gcc.c (store_arg): Revert last change.
629
630 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
631
632         PR middle-end/28685
633         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
634         (optimize_ops_list): Call it.
635
636 2010-05-08  Richard Guenther  <rguenther@suse.de>
637
638         PR tree-optimization/44030
639         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
640         NECESSARY flag if we propagate from a inserted expression.
641
642 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
643
644         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
645         domain types as equal if they are both PLACEHOLDER_EXPRs.
646
647 2010-05-08  Richard Guenther  <rguenther@suse.de>
648
649         * lto-wrapper.c (run_gcc): Remove linker output from
650         command line for LTRANS invocation.
651
652 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
653
654         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
655         lto-macho as lto_binary_reader.
656         * target.h (struct gcc_target): New hooks lto_start and lto_end.
657         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
658         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
659         in lto_start and lto_end calls.
660         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
661         magic numbers.
662         (scan_prog_file): Update is_elf_or_coff call.
663         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
664
665         * collect2.c (main): Fix enum comparison.
666
667         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
668         Add prototypes.
669         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
670         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
671         and TARGET_ASM_LTO_END.
672         * darwin.c: Include obstack.h and lto-streamer.h.
673         (lto_section_names_offset, lto_section_names_obstack,
674         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
675         global variables.
676         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
677         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
678         to a temporary file.
679         (darwin_asm_lto_end): New function.  Restore asm_out_file.
680         (darwin_asm_named_section): For LTO sections, replace the name with
681         the offset of the section name in a string table, and build this
682         table.
683         (darwin_file_start): Initialize global vars for LTO support.
684         (darwin_file_end): If output to asm_out_file was redirected, append it
685         to the proper asm_out_file here.  Add the section names section.
686
687 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
688
689         * c-pragma.c (pending_weak_d, pending_weak): New.
690         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
691         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
692         handle_pragma_weak): Update the uses of pending_weaks.
693
694 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
695
696         PR documentation/44016
697         * doc/standards.texi (Standards): Link to unversioned
698         cxx0x_status.html page.
699
700 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
701
702         PR target/43708
703         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
704         in addition to TREE_USED, to avoid "set but unused" warnings.
705
706 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
707
708         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
709         (is_loop_prefetching_profitable): Do not insert prefetches
710         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
711         times the prefetch ahead distance.
712
713 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
714
715         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
716         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
717         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
718         the unroll_factor.
719
720 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
721
722         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
723         a diagnostic info when the insn-to-mem ratio is too small.
724
725 2010-05-07  Richard Guenther <rguenther@suse.de>
726
727         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
728         the linker plugin.
729         (store_arg): Queue temp_filename for deletion instead of
730         the whole argument.
731
732 2010-05-07  Richard Guenther  <rguenther@suse.de>
733
734         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
735         (run_gcc): Handle LTRANS phase invocation.
736         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
737
738 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
739
740         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
741         this is also meaningful on PARM_DECLs and RESULT_DECLs.
742
743 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
744
745         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
746
747 2010-05-07  Richard Guenther  <rguenther@suse.de>
748
749         PR tree-optimization/44020
750         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
751         code when PRE is not yet initialized.
752
753 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
754
755         * config/mips/dbxmdebug.h: Remove.
756         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
757
758 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
759
760         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
761         with null pointer and also warn about ordered comparison of zero with
762         pointer if -Wextra.
763
764 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
765
766         * graphite-blocking.c
767         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
768         * graphite-clast-to-gimple.c
769         (clast_to_gcc_expression): Same.
770         (precision_for_value): Same.
771         (precision_for_interval): Same.
772         (gcc_type_for_interval): Same.
773         (graphite_create_new_guard): Same.
774         (compute_bounds_for_level): Same.
775         (graphite_create_new_loop_guard): Same.
776         * graphite-interchange.c
777         (build_linearized_memory_access): Same.
778         (pdr_stride_in_loop): Same.
779         (memory_strides_in_loop_1): Same.
780         (memory_strides_in_loop): Same.
781         (extend_scattering): Same.
782         (psct_scattering_dim_for_loop_depth): Same.
783         (pbb_number_of_iterations): Same.
784         * graphite-poly.h
785         (debug_iteration_domains): Same.
786         * graphite-ppl.c
787         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
788         (ppl_set_inhomogeneous_gmp): Same.
789         (ppl_strip_loop): Same.
790         (ppl_lexico_compare_linear_expressions): Same.
791         (ppl_read_polyhedron_matrix): Same.
792         (ppl_max_for_le_pointset): Same.
793         * graphite-ppl.h
794         (ppl_read_polyhedron_matrix): Same.
795         (tree_int_to_gmp): Same.
796         (gmp_cst_to_tree): Same.
797         (ppl_set_inhomogeneous): Same.
798         (ppl_set_inhomogeneous_tree): Same.
799         (ppl_set_coef): Same.
800         (ppl_set_coef_tree): Same.
801         * graphite-sese-to-poly.c
802         (build_pbb_scattering_polyhedrons): Same.
803         (build_scop_scattering): Same.
804         (scan_tree_for_params_right_scev): Same.
805         (scan_tree_for_params): Same.
806         (find_params_in_bb): Same.
807         (find_scop_parameters): Same.
808         (add_upper_bounds_from_estimated_nit): Same.
809         (build_loop_iteration_domains): Same.
810         (add_condition_to_domain): Same.
811         (pdr_add_memory_accesses): Same.
812
813 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
814
815         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
816         CLooG's value_* macros to their respective mpz_* counterparts.
817         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
818         (graphite_create_new_loop_guard): Same.
819         * graphite-interchange.c (build_linearized_memory_access): Same.
820         (pdr_stride_in_loop): Same.
821         (memory_strides_in_loop_1): Same.
822         (1st_interchange_profitable_p): Same.
823         * graphite-poly.c (extend_scattering): Same.
824         (psct_scattering_dim_for_loop_depth): Same.
825         (pbb_number_of_iterations): Same.
826         (pbb_number_of_iterations_at_time): Same.
827         * graphite-poly.h (new_1st_loop): Same.
828         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
829         (oppose_constraint): Same.
830         (insert_constraint_into_matrix): Same.
831         (ppl_set_inhomogeneous_gmp): Same.
832         (ppl_set_coef_gmp): Same.
833         (ppl_strip_loop): Same.
834         (ppl_lexico_compare_linear_expressions): Same.
835         (ppl_max_for_le_pointset): Same.
836         (ppl_min_for_le_pointset): Same.
837         (ppl_build_realtion): Same.
838         * graphite-ppl.h (gmp_cst_to_tree): Same.
839         (ppl_set_inhomogeneous): Same.
840         (ppl_set_inhomogeneous_tree): Same.
841         (ppl_set_coef): Same.
842         (ppl_set_coef_tree): Same.
843         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
844         (build_scop_scattering): Same.
845         (add_value_to_dim): Same.
846         (scan_tree_for_params_right_scev): Same.
847         (scan_tree_for_params_int): Same.
848         (scan_tree_for_params): Same.
849         (find_params_in_bb): Same.
850         (find_scop_parameters): Same.
851         (add_upper_bounds_from_estimated_nit): Same.
852         (build_loop_iteration_domains): Same.
853         (create_linear_expr_from_tree): Same.
854         (add_condition_to_domain): Same.
855         (pdr_add_memory_accesses): Same.
856
857 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
858             Jason Merrill  <jason@redhat.com>
859
860         * c-common.c (c_common_reswords): Add nullptr.
861         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
862         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
863         (gen_type_die_with_usage): Likewise.
864         * dbxout.c (dbxout_type): Likewise.
865         * sdbout.c (plain_type_1): Likewise.
866
867 2010-05-06  Jason Merrill  <jason@redhat.com>
868
869         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
870         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
871         ret appropriately.
872         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
873
874         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
875         stripping WITH_SIZE_EXPR.
876         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
877         change.
878
879 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
880
881         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
882         list of obsolete configurations.
883         Disabled check for obsolete configurations.
884         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
885         Removed support for previous versions.
886         * config/mips/iris.h: Removed.
887         * config/mips/iris5.h: Removed.
888         * config/mips/iris6.h: Merged old iris.h contents.
889         (TARGET_IRIX): Removed.
890         (DRIVER_SELF_SPECS): Removed mabi=32.
891         (IDENT_ASM_OP): Removed undef.
892         (STARTFILE_SPEC): Removed mabi=32.
893         (ENDFILE_SPEC): Likewise.
894         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
895         (MACHINE_TYPE): Update for IRIX 6.5.
896         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
897         TARGET_IRIX by TARGET_IRIX6.
898         (mips_file_start): Likewise.
899         (mips_output_external): Remove IRIX 5/6 O32 support.
900         (mips_output_function_prologue): Likewise.
901         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
902         TARGET_IRIX6.
903         (TARGET_CPU_CPP_BUILTINS): Likewise.
904         (TARGET_IRIX): Removed.
905         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
906         (MULTILIB_DIRNAMES): Removed 32.
907         (MULTILIB_OSDIRNAMES): Removed ../lib.
908         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
909         (Specific, mips-sgi-irix5): Document removal.
910         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
911         Remove references to older IRIX 6 releases and the O32 ABI.
912
913 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
914
915         PR bootstrap/43994
916         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
917         instead of DF_REF_REAL_REG.
918
919 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
920
921         PR target/43888
922         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
923         handling to still return true for x64 targets.
924
925 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
926
927         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
928
929 2010-05-06  Jan Hubicka  <jh@suse.cz>
930
931         PR tree-optimization/43791
932         * ipa-inline.c (update_caller_keys): Remove bogus
933         disregard_inline_limits check.
934
935 2010-05-06  Michael Matz  <matz@suse.de>
936
937         PR tree-optimization/43984
938         * tree-ssa-pre.c (inserted_phi_names): Remove.
939         (inserted_exprs): Change to bitmap.
940         (create_expression_by_pieces): Set bits, don't append to vector.
941         (insert_into_preds_of_block): Don't handle inserted_phi_names.
942         (eliminate): Don't look at inserted_phi_names, remove deleted
943         insns from inserted_exprs.
944         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
945         (init_pre, fini_pre): Allocate and free bitmaps.
946         (execute_pre): Insert insns on edges before elimination.
947
948 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
949
950         * tree.c (initializer_zerop): Handle STRING_CST.
951
952 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
953
954         PR 40989
955         * doc/invoke.texi (Wimplicit): Document as C only.
956         * opts.c (common_handle_option): Add argument kind.
957         (handle_option): Rename as read_cmdline_option. Factor out code to...
958         (handle_option): ... here. New.
959         (handle_options): Rename as read_cmdline_options.
960         (decode_options): Update call.
961         (set_option): Use option index instead of option pointer. Classify
962         diagnostics correctly.
963         (enable_warning_as_error): Call handle_option.
964         * opts.h (set_option): Update declaration.
965         (handle_option): Declare.
966         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
967         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
968         * c-opts.c (set_Wimplicit): Delete.
969         (c_family_lang_mask): New static constant.
970         (c_common_handle_option): Add argument kind. Use handle_option
971         instead of set_Wimplicit.
972         (c_common_post_options): warn_implicit and warn_implicit_int
973         are disabled by default.
974         * c-common.c (warn_implicit): Do not define here.
975         * c-common.h (warn_implicit): Do not declare here.
976         (c_common_handle_option): Update declaration.
977         * lto-opts.c (lto_reissue_options): Update call to set_option.
978
979 2010-05-06  Richard Guenther  <rguenther@suse.de>
980
981         PR tree-optimization/43571
982         * domwalk.c (walk_dominator_tree): Walk the dominator
983         sons in more optimal order.
984
985 2010-05-06  Richard Guenther  <rguenther@suse.de>
986
987         PR tree-optimization/43934
988         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
989         (stmt_cost): Likewise.
990         (extract_true_false_args_from_phi): New helper.
991         (determine_max_movement): For PHI nodes verify we can hoist them
992         and compute their cost.
993         (determine_invariantness_stmt): Handle PHI nodes.
994         (move_computations_stmt): Likewise.  Hoist PHI nodes in
995         if-converted form using COND_EXPRs.
996         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
997         (tree_ssa_lim): Likewise.
998         * tree-flow.h (tree_ssa_lim): Adjust prototype.
999         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1000
1001 2010-05-06  Richard Guenther  <rguenther@suse.de>
1002
1003         PR tree-optimization/43987
1004         * tree-ssa-structalias.c (could_have_pointers): For possibly
1005         address-taken variables force pointers to be recorded.
1006         (create_variable_info_for_1): Likewise.
1007         (push_fields_onto_fieldstack): Pass in wheter all fields
1008         must have pointers.
1009         (find_func_aliases): Query types instead of vars whether
1010         they contain pointers where appropriate.
1011
1012 2010-05-06  Jan Hubicka  <jh@suse.cz>
1013
1014         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1015         (record_reference, mark_address, mark_load, mark_store): Record
1016         references.
1017         (record_references_in_initializer): Update call of record_references.
1018         (rebuild_cgraph_edges): Remove all references before rebuiding.
1019         * cgraph.c (cgraph_create_node): Clear ref list.
1020         (cgraph_remove_node): Remove references.
1021         (dump_cgraph_node): Dump references.
1022         (cgraph_clone_node): Clone references.
1023         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1024         (struct cgraph_node, varpool_node): Add ref_lst.
1025         * ipa-ref.c: New file.
1026         * ipa-ref.h: New file.
1027         * ipa-ref-inline.h: New file.
1028         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1029         (referenced_from_other_partition_p): New function.
1030         (lto_output_varpool_node): Take set arugment; call
1031         referenced_from_other_partition.
1032         (lto_output_ref): New.
1033         (add_references): New.
1034         (output_refs): New.
1035         (output_cgraph): Compute boundary based on references; output refs.
1036         (output_varpool): Accept cgraph_node_set argument.
1037         (input_ref): New.
1038         (input_refs): New.
1039         (input_cgraph): Call input_refs.
1040         * lto-section-in.c (lto_section_name): Add refs.
1041         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1042         (ipa-ref.o): New file.
1043         * varpool.c (varpool_node): Clear ipa ref list.
1044         (varpool_remove_node): Remove references.
1045         (dump_varpool_node): Dump references.
1046         (varpool_assemble_decl): Only compile finalized ones.
1047         (varpool_extra_name_alias): Initialize ref list.
1048         * lto-streamer.c (lto-get_section_name): Add .refs section.
1049         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1050         (referenced_from_other_partition_p): Declared.
1051
1052 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1053
1054         PR tree-optimization/43901
1055         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1056         type is not NULL if it's transformation phase, and return
1057         FALSE if it's analysis.
1058         (vectorizable_conversion, vectorizable_operation,
1059         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1060
1061 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1062
1063         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1064         Delete.
1065         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1066         New define.
1067         * config/mips/mips-protos.h
1068         (mips_small_register_classes_for_mode_p): Delete prototype.
1069
1070 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1071
1072         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1073         * config/arm/arm.c (multiple_operation_profitable_p,
1074         compute_offset_order): New static functions.
1075         (load_multiple_sequence, store_multiple_sequence): Use them.
1076         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1077         memory offsets, not register numbers.
1078         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1079
1080 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1081
1082         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1083         (get_pending_sizes, put_pending_size, put_pending_sizes):
1084         Update the uses of pending_sizes.
1085         * c-decl.c (store_parm_decls): Likewise.
1086         * c-tree.h (struct c_arg_info): Likewise.
1087         * tree.h: Update the prototype for get_pending_sizes and
1088         put_pending_sizes.
1089
1090 2010-05-05  Jason Merrill  <jason@redhat.com>
1091
1092         PR debug/43370
1093         * c-common.c (handle_aligned_attribute): Respect
1094         ATTR_FLAG_TYPE_IN_PLACE.
1095
1096         PR testsuite/43758
1097         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1098         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1099         (TARGET_INITIALIZER): Use it.
1100         * c-common.c (attribute_takes_identifier_p): Call it.
1101         * c-common.h: Update prototype.
1102         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1103         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1104
1105 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1106
1107         PR debug/43950
1108         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1109         DW_ID_down_case for Fortran compilation units.
1110
1111 2010-05-05  Jan Hubicka  <jh@suse.cz>
1112
1113         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1114         handle aliases.
1115
1116 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1117
1118         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1119         a variable-sized RESULT_DECL.
1120
1121 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1122
1123         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1124
1125 2010-05-05  Jason Merrill  <jason@redhat.com>
1126
1127         PR c++/43787
1128         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1129         returns GS_OK.
1130         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1131
1132 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1133             Jakub Jelinek  <jakub@redhat.com>
1134
1135         PR debug/43478
1136         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1137         (dead_debug_init, dead_debug_finish): New functions.
1138         (dead_debug_add, dead_debug_insert_before): Likewise.
1139         (df_note_bb_compute): Initialize a dead_debug object, add dead
1140         debug uses to it, insert debug bind insns before death insns,
1141         reset debug insns that refer to pending uses at the end.
1142         * rtl.h (make_debug_expr_from_rtl): New prototype.
1143         * varasm.c (make_debug_expr_from_rtl): New function.
1144
1145 2010-05-05  Jan Hubicka  <jh@suse.cz>
1146
1147         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1148         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1149         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1150         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1151         lto_varpool_encoder_encode_initializer_p,
1152         lto_set_varpool_encoder_encode_initializer): New functions.
1153         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1154         call output_varpool.
1155         (input_varpool_node): Do not always set analyzed.
1156         (input_cgraph_1): Return vector of cgraph nodes.
1157         (input_varpool_1): Return vector of varpools.
1158         (input_cgraph): Free the vectors.
1159         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1160         output only initializers needed.
1161         (lto_output): Only call output_cgraph.
1162         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1163         * lto-section-out.c (lto_new_out_decl_state): Initialize
1164         state->varpool_node_encoder.
1165         * lto-streamer.h (lto_varpool_encoder_d): New.
1166         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1167         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1168         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1169         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1170         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1171         Declare.
1172         (output_varpool, input_varpool): Remove declarations.
1173
1174 2010-05-05  Jan Hubicka  <jh@suse.cz>
1175
1176         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1177         with body can prevail.
1178
1179 2010-05-05  Jan Hubicka  <jh@suse.cz>
1180
1181         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1182         size.
1183
1184 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1185
1186         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1187
1188         * gengtype.h (erro_at_line): Constify pos argument.
1189
1190         * gengtype.c: Include hashtab.h.
1191         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1192         (error_at_line): Constify pos argument.
1193         (do_typedef): Initialize p->opt field.
1194         (get_file_gtfilename): Fix comment typo.
1195         (struct walk_type_data): Constify line field.
1196         (get_output_file_for_structure): New function.
1197         (write_local_func_for_structure): Constify orig_s argument.
1198         Use get_output_file_for_structure.
1199         (write_func_for_structure): Use get_output_file_for_structure.
1200         (INDENT): New define.
1201         (dump_pair, dump_type, dump_type_list, dump_typekind)
1202         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1203         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1204         functions.
1205         (seen_types): New variable.
1206         (main): New variable do_dump.  Process "-d" command line option.
1207         Call dump_everything if dump requested.
1208
1209 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1210
1211         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1212         in a temporary instead of invoking the macro multiple times.
1213         (track_expr_p): Likewise.
1214
1215 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1216
1217         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1218         per new semantics.
1219         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1220         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1221         conditions for printing notes.
1222         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1223         true, update documentation.
1224         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1225
1226 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR c/43981
1229         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1230         on dimen.
1231
1232 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1233
1234         PR target/43799
1235         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1236         (*sse_prologue_save_insn1): Likewise.
1237         (SSE prologue save splitter): Likewise.
1238
1239 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1240
1241         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1242         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1243         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1244         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1245         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1246         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1247         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1248
1249 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1250
1251         * tree-sra.c (build_access_from_expr_1): The first parameter type
1252         changed to simple tree.
1253         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1254         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1255         renamed as well.
1256         (build_accesses_from_assign): Removed all parameters except for a
1257         simple gimple statement.  Now returns a simple bool.
1258         (scan_function): All non-analysis parts moved to separate functions
1259         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1260         parameters and updated both callers.
1261         (sra_modify_expr): Removed parameter data.
1262         (sra_modify_function_body): New function.
1263         (perform_intra_sra): Call sra_modify_function_body to modify the
1264         function body.
1265         (replace_removed_params_ssa_names): Parameter data changed into
1266         adjustments vector.
1267         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1268         changed the parameter dont_convert to convert with the opposite
1269         meaning.
1270         (sra_ipa_modify_assign): Parameter data changed into adjustments
1271         vector, return value changed to bool.
1272         (ipa_sra_modify_function_body): New function.
1273         (sra_ipa_reset_debug_stmts): Updated a comment.
1274         (modify_function): Use ipa_sra_modify_function_body to modify function
1275         body.
1276
1277 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1278
1279         PR middle-end/43671
1280         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1281         (canon_true_dependence): Likewise.
1282         (write_dependence_p): Likewise.
1283
1284 2010-05-04  Jan Hubicka  <jh@suse.cz>
1285
1286         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1287         * cgraphbuild.c: Include ipa-utils.h
1288         (record_reference_ctx): New struct.
1289         (record_reference): Simplify to work on initializers; not statements.
1290         (mark_address, mark_load, mark_store): New.
1291         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1292         walk PHI nodes too.
1293         (record_references_in_initializer): Update use of record_reference.
1294         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1295         walk PHI nodes too.
1296
1297 2010-05-04  Jan Hubicka  <jh@suse.cz>
1298
1299         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1300         node will be removed anyway.
1301         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1302         relink aliases of node into prevailing node.
1303         * varpool.c (varpool_remove_node): Remove aliases properly;
1304         when removing node, remove all its aliases too; remove DECL_INITIAL
1305         of removed node; ggc_free the varpool node.
1306
1307 2010-05-04  Richard Guenther  <rguenther@suse.de>
1308
1309         PR tree-optimization/43879
1310         * tree-ssa-structalias.c (alias_get_name): Use
1311         DECL_ASSEMBLER_NAME if available.
1312         (create_function_info_for): Return the varinfo node.
1313         (ipa_pta_execute): Associate same-body aliases and extra names
1314         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1315
1316 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1317
1318         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1319
1320 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1321
1322         PR bootstrap/43964
1323         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1324         only if HONOR_REG_ALLOC_ORDER is not defined.
1325
1326 2010-05-04  Richard Guenther  <rguenther@suse.de>
1327
1328         PR tree-optimization/43949
1329         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1330         TRUNC_MOD_EXPR.
1331
1332 2010-04-26  Jason Merrill  <jason@redhat.com>
1333
1334         * c.opt (-fstrict-enums): New.
1335         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1336
1337 2010-05-03  David Ung <davidu@mips.com>
1338             James E. Wilson  <wilson@codesourcery.com>
1339
1340         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1341         emit the trap instruction before the divide for TUNE_74K.
1342
1343 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1344
1345         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1346         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1347         based on the above, for new target hook.
1348
1349         * hooks.c (hook_bool_mode_true): New generic hook.
1350         * hooks.h (hook_bool_mode_true): Add prototype.
1351
1352         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1353         target hook.
1354         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1355         target hook, set to hook_bool_mode_false.
1356         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1357         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1358         with targetm.small_register_classes_for_mode_p.
1359         (find_reusable_reload): Likewise.
1360         (combine_reloads): Likewise.
1361         * reload1.c (reload_as_needed): Likewise.
1362         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1363         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1364         dead_or_predicable): Likewise.
1365         * regmove.c (optimize_reg_copy_1): Likewise.
1366         * calls.c (prepare_call_address): Likewise.
1367         (precompute_register_parameters): Likewise.
1368
1369         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1370         hook definition.
1371         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1372         implementation of the hook that considers all register classes
1373         small except for SH64.
1374         (sh_override_options): Use the new hook.
1375         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1376         Add prototype.
1377
1378         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1379         hook definition.
1380         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1381         implementation of the hook that considers all register classes
1382         small for THUMB1.
1383         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1384         Add prototype.
1385
1386         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1387         hook definition.
1388         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1389         implementation of the hook that considers all register classes
1390         small for MIPS16.
1391         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1392         Add prototype.
1393
1394         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1395         hook definition.
1396         * config/m32c/m32c.h: Likewise.
1397         * config/pdp11/pdp11.h: Likewise.
1398         * config/avr/avr.h: Likewise.
1399         * config/xtensa/xtensa.h: Likewise.
1400         * config/m68hc11/m68hc11.h: Likewise.
1401         * config/mn10300/mn10300.h: Likewise.
1402         * config/mcore/mcore.h: Likewise.
1403         * config/h8300/h8300.h: Likewise.
1404         * config/bfin/bfin.h: Likewise.
1405
1406         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1407         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1408
1409 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1410
1411         * double-int.h (tree_to_double_int): Remove macro.
1412         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1413         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1414         (tree_to_double_int): New function.
1415         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1416         Move ...
1417         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1418
1419 2010-05-03  Richard Guenther  <rguenther@suse.de>
1420
1421         PR tree-optimization/43971
1422         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1423         constraints in the !flag_delete_null_pointer_checks case.
1424
1425 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR debug/43972
1428         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1429         result mode matches original rtl mode.
1430
1431 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1432
1433         PR target/43888
1434         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1435
1436 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1437
1438         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1439         when processing flag options.
1440
1441 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1442
1443         * gcov-iov.c (main): Change format string placeholder
1444         from %#08x to 0x%08x.
1445         * genchecksum.c (dosum): Change format string placeholder
1446         from %#02x to 0x%02x.
1447
1448 2010-05-02  Richard Guenther  <rguenther@suse.de>
1449
1450         PR tree-optimization/43879
1451         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1452
1453 2010-05-02  Bruno Haible  <bruno@clisp.org>
1454
1455         * doc/extend.texi (Function Attributes): Fix a typo.
1456
1457 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1458
1459         Revert:
1460         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1461         placeholder from 0x%x to %#x.
1462         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1463         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1464         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1465         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1466         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1467         * config/i386/i386.c (ix86_target_string): Ditto.
1468         * config/i386/i386.c (output_pic_addr_const): Ditto.
1469         (print_operand): Ditto.
1470
1471 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1472
1473         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1474         placeholder from 0x%x to %#x.
1475         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1476         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1477         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1478         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1479         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1480         * optc-gen.awk: Ditto.
1481         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1482         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1483         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1484         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1485
1486 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1487
1488         * target.h (struct calls): Add function_value_regno_p field.
1489         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1490         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1491         * targhooks.c (default_function_value_regno_p): New function.
1492         * targhooks.h (default_function_value_regno_p): Declare function.
1493         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1494         * builtins.c. (apply_result_size): (Ditto.).
1495         * combine.c. (likely_spilled_retval_p): (Ditto.).
1496         * mode-switching.c. Include 'target.h'.
1497         (create_pre_exit): Use function_value_regno_p hook.
1498         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1499         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1500         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1501
1502         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1503         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1504         (ix86_function_value_regno_p): Declare as static, change argument
1505         type to const unsigned int.
1506         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1507
1508 2010-05-01  Richard Guenther  <rguenther@suse.de>
1509
1510         PR tree-optimization/43949
1511         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1512         types.
1513         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1514
1515 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1516
1517         * rtl.h (CONST_DOUBLE_P): Define.
1518         (rtx_to_double_int): Declare.
1519         * emit-rtl.c (rtx_to_double_int): New function.
1520         * dwarf2out.c (insert_double): New function.
1521         (loc_descriptor, add_const_value_attribute): Clean up, use
1522         rtx_to_double_int and insert_double functions.
1523
1524 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1525
1526         * doc/extend.texi (Inline): Add missing return keyword to examples.
1527         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1528         "command-line".
1529
1530 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1531
1532         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1533         the variable part of the offset as well.  Use highest_pow2_factor for
1534         all alignment checks.
1535
1536 2010-04-30  Richard Guenther  <rguenther@suse.de>
1537
1538         PR tree-optimization/43879
1539         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1540         can have pointers.
1541
1542 2010-04-30  Jan Hubicka  <jh@suse.cz>
1543
1544         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1545         varpool.
1546         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1547
1548 2010-04-30  Jan Hubicka  <jh@suse.cz>
1549
1550         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1551         New.
1552         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1553         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1554         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1555         cgraph_node_set_needs_ltrans_p): Remove.
1556
1557 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1558
1559         * sdbout.c: Include vec.h, do not include varray.h.
1560         (deferred_global_decls, sdbout_global_decl,
1561         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1562         * toplev.c: Do not include varray.h.
1563         (dump_memory_report): Do not dump VARRAY statistics.
1564         * gengtype.c (open_base_file): Ignore varray.h.
1565         * Makefile.in: Update for abovementioned changes.
1566         Remove all traces of varray.c and varray.h.
1567         * varray.c: Remove file.
1568         * varray.h: Remove file.
1569
1570 2010-04-30  Jan Hubicka  <jh@suse.cz>
1571
1572         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1573         references.
1574
1575 2010-04-30  Jan Hubicka  <jh@suse.cz>
1576
1577         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1578         needed.
1579
1580 2010-04-30  Richard Guenther  <rguenther@suse.de>
1581
1582         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1583         constraints for CONSTRUCTOR.
1584
1585 2010-04-30  Richard Guenther  <rguenther@suse.de>
1586
1587         PR lto/43946
1588         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1589         first after all lowering passes.
1590
1591 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1592
1593         * toplev.c: Include varray.h for statistics dumping.
1594         * tree.h: Do not declare varray_head_tag.
1595         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1596         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1597         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1598         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1599         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1600         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1601         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1602         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1603         include varray.h.
1604         * Makefile.in: Update for abovementioned changes.
1605
1606 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1607
1608         PR debug/43942
1609         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1610
1611 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1612
1613         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1614         Use this function to do machine-specific conversion.
1615         (picochip_legitimize_reload_address): Likewise.
1616         (picochip_legitimate_address_p): Check valid base register only if
1617         strict.
1618         (picochip_check_conditional_copy): Check for modw only if opnd is
1619         register.
1620         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1621         to call the function in c.
1622         * config/picochip/picochip-protos.h
1623         (picochip_legitimize_reload_address): Define.
1624         * config/picochip/picochip.md (supported_compare1): Define.
1625
1626 2010-04-30  Jan Hubicka  <jh@suse.cz>
1627
1628         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1629         (cgraph_global_info): Remove inlined.
1630         (LTO_cgraph_tag_names): Remove.
1631         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1632         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1633         simplify cgraph tags and document.
1634         (lto_output_node): Use only LTO_cgraph_unavail_node and
1635         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1636         for_functions_valid, global info, process and output flags.
1637         (input_overwrite_node): Initialize estimated stack size and
1638         estimated growth.  Do not read flags we no longer store.
1639         (input_node): Likewise do not read info no longer stored.
1640         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1641         flag.
1642
1643 2010-04-30  Richard Guenther  <rguenther@suse.de>
1644
1645         PR tree-optimization/43879
1646         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1647         handle non-zero initializers.
1648
1649 2010-04-30  Richard Guenther  <rguenther@suse.de>
1650
1651         * builtins.c (fold_builtin_1): Delete free (0).
1652
1653 2010-04-29  Jan Hubicka  <jh@suse.cz>
1654
1655         * gengtype.c (open_base_files): Add lto-streamer.h
1656         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1657         (pass_ipa_cp): GGC collect.
1658         * toplev. (compile_file): Do not output symbols.
1659         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1660         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1661         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1662         * lto-section-in.c: Include ggc.h
1663         (lto_new_in_decl_state): Alloc in GGC.
1664         (lto_delete_in_decl_state): Likewise.
1665         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1666         Collect.
1667
1668 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1669
1670         PR target/42895
1671         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1672         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1673         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1674         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1675         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1676         account only if HONOR_REG_ALLOC_ORDER is not defined.
1677         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1678         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1679
1680 2010-04-29  Jon Grant  <04@jguk.org>
1681
1682         * collect2.c (vflag): Change type from int to bool.
1683         (debug): Likewise.
1684         (helpflag): New global bool.
1685         (main): Set vflag and debug with boolean, not integer truth values.
1686         Accept new "--help" option and output usage text if found.
1687         * collect2.h (vflag): Update prototype.
1688         (debug): Likewise.
1689
1690 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1691
1692         PR bootstrap/43936
1693         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1694
1695 2010-04-29  Richard Guenther  <rguenther@suse.de>
1696
1697         PR bootstrap/43935
1698         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1699         with ATTRIBUTE_UNUSED.
1700
1701 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1702
1703         PR target/43921
1704         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1705         INSN_P with NONDEBUG_INSN_P.
1706         (distance_non_agu_define): Likewise.
1707         (distance_agu_use): Likewise.
1708
1709 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1710
1711         From Dominique d'Humieres <dominiq@lps.ens.fr>
1712         PR bootstrap/43858
1713         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1714         test_set.
1715
1716 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1717
1718         * plugin.h (invoke_plugin_callbacks): New inline function.
1719         * plugin.c (flag_plugin_added): New global flag.
1720         (add_new_plugin): Initialize above flag.
1721         (invoke_plugin_callbacks): Rename to ...
1722         (invoke_plugin_callbacks_full): ... this.
1723
1724 2010-04-28  Jan Hubicka  <jh@suse.cz>
1725
1726         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1727         (lto_varpool_replace_node): New.
1728         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1729         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1730         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1731         * cgraph.h (varpool_node_ptr): New type.
1732         (varpool_node_ptr): New vector.
1733         (varpool_node_set_def): New structure.
1734         (varpool_node_set): New type.
1735         (varpool_node_set): New vector.
1736         (varpool_node_set_element_def): New structure.
1737         (varpool_node_set_element, const_varpool_node_set_element): New types.
1738         (varpool_node_set_iterator): New type.
1739         (varpool_node): Add prev pointers, add used_from_other_partition,
1740         in_other_partition.
1741         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1742         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1743         varpool_get_node, varpool_remove_node): Declare.
1744         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1745         varpool_node_set_size): New inlines.
1746         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1747         * tree-pass.h (varpool_node_set_def): Forward declare.
1748         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1749         (ipa_write_optimization_summaries): Update prototype.
1750         * ipa-cp.c (ipcp_write_summary): Update.
1751         * ipa-reference.c (ipa_reference_write_summary): Update.
1752         * lto-cgraph.c (lto_output_varpool_node): New static function.
1753         (output_varpool): New function.
1754         (input_varpool_node): New static function.
1755         (input_varpool_1): New function.
1756         (input_cgraph): Input varpool.
1757         * ipa-pure-const.c (pure_const_write_summary): Update.
1758         * lto-streamer-out.c (lto_output): Update, output varpool too.
1759         (write_global_stream): Kill WPA hack.
1760         (produce_asm_for_decls): Update.
1761         (output_alias_pair_p): Handle variables.
1762         (output_unreferenced_globals): Output only needed partition of varpool.
1763         * ipa-inline.c (inline_write_summary): Update.
1764         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1765         cgraph.
1766         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1767         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1768         varpool_node_set_new, varpool_node_set_add,
1769         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1770         debug_varpool_node_set): New functions.
1771         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1772         (execute_one_pass): Process new decls too.
1773         (ipa_write_summaries_2): Pass around vsets.
1774         (ipa_write_summaries_1): Likewise.
1775         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1776         to add.
1777         (ipa_write_optimization_summaries_1): Pass around vsets.
1778         (ipa_write_optimization_summaries): Likewise.
1779         * varpool.c (varpool_get_node): New.
1780         (varpool_node): Update doubly linked lists.
1781         (varpool_remove_node): New.
1782         (dump_varpool_node): More dumping.
1783         (varpool_enqueue_needed_node): Update doubly linked lists.
1784         (decide_is_variable_needed): Kill ltrans hack.
1785         (varpool_finalize_decl): Kill lto hack.
1786         (varpool_assemble_decl): Skip decls in other partitions.
1787         (varpool_assemble_pending_decls): Update doubly linkes lists.
1788         (varpool_empty_needed_queue): Likewise.
1789         (varpool_extra_name_alias): Likewise.
1790         * lto-streamer.c (lto_get_section_name): Add vars section.
1791         * lto-streamer.h (lto_section_type): Update.
1792         (output_varpool, input_varpool): Declare.
1793
1794 2010-04-28  Mike Stump  <mikestump@comcast.net>
1795
1796         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1797
1798 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1799
1800         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1801         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1802         (lto_input_ts_type_tree_pointers): Likewise.
1803         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1804         (lto_output_ts_type_tree_pointers): Likewise.
1805
1806 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1807
1808         Uniquization of constants at the Tree level
1809         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1810         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1811         bit to the end.
1812         (tree_output_constant_def): Declare.
1813         * gimplify.c (gimplify_init_constructor): When using block copy, first
1814         uniquize the constant constructor on the RHS.
1815         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1816         DECL_IN_CONSTANT_POOL flag.
1817         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1818         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1819         constant pool.
1820         (assemble_variable): Deal with symbols belonging to the tree constant
1821         pool.
1822         (get_constant_section): Add ALIGN parameter and simplify.
1823         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1824         (assemble_constant_contents): Use the expression of the VAR_DECL.
1825         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1826         (tree_output_constant_def): New global function.
1827         (mark_constant): Use the expression of the VAR_DECL.
1828         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1829         its expression.
1830         (output_object_block): Likewise and assemble the expression.
1831
1832 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1833
1834         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1835         hash_tree, eq_tree): New tree hash table.
1836         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1837         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1838         lto_orig_address_remove): Reimplement.
1839
1840 2010-04-28  Xinliang David Li  <davidxl@google.com>
1841
1842         PR c/42643
1843         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1844         (compute_uninit_opnds_pos): New function.
1845         (is_non_loop_exit_postdominating): New function.
1846         (compute_control_dep_chain): New function.
1847         (find_pdom): New function.
1848         (convert_control_dep_chain_into_preds): New function.
1849         (find_predicates): New function.
1850         (find_control_equiv_block): New function.
1851         (collect_phi_def_edges): New function.
1852         (find_def_preds): New function.
1853         (find_dom): New function.
1854         (dump_predicates): New function.
1855         (get_cmp_code): New function.
1856         (is_value_included_in): New function.
1857         (find_matching_predicate_in_rest_chains): New function.
1858         (use_pred_not_overlap_with_undef_path_pred): New function.
1859         (is_use_properly_guarded): New function.
1860         (normalize_cond_1): New function.
1861         (is_and_or_or): New function.
1862         (normalize_cond): New function.
1863         (is_gcond_subset_of): New function.
1864         (is_subset_of_any): New function.
1865         (is_or_set_subset_of): New function.
1866         (is_and_set_subset_of): New function.
1867         (is_norm_cond_subset_of): New function.
1868         (is_pred_expr_subset_of): New function.
1869         (is_pred_chain_subset_of): New function.
1870         (is_included_in): New function.
1871         (is_superset_of): New function.
1872         (find_uninit_use): New function.
1873         (warn_uninitialized_phi): New function.
1874         (compute_possibly_undefined_names): New function.
1875         (ssa_undefined_value_p): New function.
1876         (execute_late_warn_uninitialized): New function.
1877         * tree-ssa.c (ssa_undefined_value_p): Removed.
1878         (warn_uninit): Changed to extern.
1879         (warn_uninitialized_phi): Removed.
1880         (warn_uninitialized_vars): Changed to extern.
1881         (execute_late_warn_uninitialized): Removed
1882         * tree-flow.h: Add new prototypes.
1883         * timevar.def: Add new time variable.
1884         * Makefile.in: Add new build file.
1885
1886 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1887
1888         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1889         type if available.
1890
1891 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1892
1893         PR target/22224
1894         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1895
1896 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1897
1898         * cgraph.h (struct cgraph_node): New field indirect_calls.
1899         (struct cgraph_indirect_call_info): New type.
1900         (struct cgraph_edge): Removed field indirect_call. New fields
1901         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1902         (cgraph_create_indirect_edge): Declare.
1903         (cgraph_make_edge_direct): Likewise.
1904         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1905         * ipa-prop.h (struct ipa_param_call_note): Removed.
1906         (struct ipa_node_params): Removed field param_calls.
1907         (ipa_create_all_structures_for_iinln): Declare.
1908         * cgraph.c: Described indirect edges and uids in initial comment.
1909         (cgraph_add_edge_to_call_site_hash): New function.
1910         (cgraph_edge): Search also among the indirect edges, use
1911         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1912         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1913         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1914         site hash.
1915         (initialize_inline_failed): Assign a reason to indirect edges.
1916         (cgraph_create_edge_1): New function.
1917         (cgraph_create_edge): Moved some functionality to
1918         cgraph_create_edge_1.
1919         (cgraph_create_indirect_edge): New function.
1920         (cgraph_edge_remove_callee): Add an assert checking for
1921         non-indirectness.
1922         (cgraph_edge_remove_caller): Special-case indirect edges.
1923         (cgraph_remove_edge): Likewise.
1924         (cgraph_set_edge_callee): New function.
1925         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1926         (cgraph_make_edge_direct): New function.
1927         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1928         the declaration of the call statement matches.
1929         (cgraph_node_remove_callees): Special-case indirect edges.
1930         (cgraph_clone_edge): Likewise.
1931         (cgraph_clone_node): Clone also the indirect edges.
1932         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1933         indirect_call, dump count of indirect_calls edges.
1934         * ipa-prop.c (iinlining_processed_edges): New variable.
1935         (ipa_note_param_call): Create indirect edges instead of
1936         creating notes.  New parameter node.
1937         (ipa_analyze_call_uses): New parameter node, pass it on to
1938         ipa_note_param_call.
1939         (ipa_analyze_stmt_uses): Likewise.
1940         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1941         (print_edge_addition_message): Work on edges rather than on notes.
1942         (update_call_notes_after_inlining): Likewise, renamed to
1943         update_indirect_edges_after_inlining.
1944         (ipa_create_all_structures_for_iinln): New function.
1945         (ipa_free_node_params_substructures): Do not free notes.
1946         (ipa_edge_duplication_hook): Propagate bits within
1947         iinlining_processed_edges bitmap.
1948         (ipa_node_duplication_hook): Do not duplicate notes.
1949         (free_all_ipa_structures_after_ipa_cp): Renamed to
1950         ipa_free_all_structures_after_ipa_cp.
1951         (free_all_ipa_structures_after_iinln): Renamed to
1952         ipa_free_all_structures_after_iinln.
1953         (ipa_write_param_call_note): Removed.
1954         (ipa_read_param_call_note): Removed.
1955         (ipa_write_indirect_edge_info): New function.
1956         (ipa_read_indirect_edge_info): Likewise.
1957         (ipa_write_node_info): Do not stream notes, do stream information
1958         in indirect edges.
1959         (ipa_read_node_info): Likewise.
1960         (lto_ipa_fixup_call_notes): Removed.
1961         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1962         * ipa-inline.c (pass_ipa_inline): Likewise.
1963         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1964         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1965         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1966         is_gimple_call.
1967         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1968         edges.
1969         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1970         (output_cgraph): Stream also indirect edges.
1971         (lto_output_edge): Added capability to stream indirect edges.
1972         (input_edge): Likewise.
1973         (input_cgraph_1): Likewise.
1974         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1975         of indirect edges.
1976
1977 2010-04-28  Richard Guenther  <rguenther@suse.de>
1978
1979         PR tree-optimization/43879
1980         PR tree-optimization/43909
1981         * tree-ssa-structalias.c (struct variable_info): Add
1982         only_restrict_pointers flag.
1983         (new_var_info): Initialize it.  Increment stats.total_vars here.
1984         (create_function_info_for): Do not increment stats.total_vars here.
1985         (get_function_part_constraint): Fix build with C++.
1986         (insert_into_field_list): Remove.
1987         (push_fields_onto_fieldstack): Properly merge fields.
1988         (create_variable_info_for): Split and simplify.
1989         (create_variable_info_for_1): New piece.
1990         (intra_create_variable_infos): Properly make restrict constraints
1991         from parameters.
1992
1993 2010-04-28  Richard Guenther  <rguenther@suse.de>
1994
1995         PR c++/43880
1996         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1997
1998 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1999             Jan Hubicka <hubicka@ucw.cz>
2000
2001         * doc/invoke.texi (-Wsuggest-attribute=const,
2002         -Wsuggest-attribute=pure): Document.
2003         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2004         (function_always_visible_to_compiler_p,
2005         suggest_attribute, warn_function_pure, warn_function_const):
2006         New functions.
2007         (check_call): Improve debug info.
2008         (analyze_function): Do not check availability.
2009         (add_new_function): Check availability.
2010         (propagate): Output warnings.
2011         (skip_function_for_local_pure_const): New function.
2012         (local_pure_const): Use it; output warnings.
2013         * common.opt (Wsuggest-attribute=const,
2014         Wsuggest-attribute=pure): New.
2015
2016 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2017
2018         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2019         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2020         or DW_CFA_def_cfa_offset{,_sf}.
2021
2022 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2023
2024         * tree.h: Fix truncated long macros.
2025
2026 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2027
2028         * collect2.c (TARGET_64BIT): Redefine to target's default.
2029         * tlink.c: Likewise.
2030         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2031         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2032         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2033         for underscoring __USER_LABEL_PREFIX__.
2034         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2035         (SUB_LINK_ENTRY32): New.
2036         (SUB_LINK_ENTRY64): New.
2037         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2038         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2039         (SUB_LINK_ENTRY64): New.
2040         (SUB_LINK_ENTRY): New.
2041         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2042         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2043         x64 target is choosen.
2044         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2045         * configure: Regenerated.
2046         * configure.ac (leading-mingw64-underscores): Option added.
2047
2048 2010-04-27  Jan Hubicka  <jh@suse.cz>
2049
2050         * doc/invoke.texi (-fipa-profile): Document.
2051         * opts.c (decode_options): Enable ipa-profile at -O1.
2052         * timevar.def (TV_IPA_PROFILE): Define.
2053         * common.opt (fipa-profile): Add.
2054         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2055         flag for clones.
2056         (cgraph_propagate_frequency): Handle only local ones.
2057         * tree-pass.h (pass_ipa_profile): Declare.
2058         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2059         (pass_ipa_profile): Use TV_IPA_PROFILE.
2060         * ipa.c (ipa_profile): New function.
2061         (gate_ipa_profile): Likewise.
2062         (pass_ipa_profile): New global variable.
2063         * passes.c (pass_ipa_profile): New.
2064
2065 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2066
2067         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2068
2069 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2070
2071         PR middle-end/43812
2072         * ipa.c (dissolve_same_comdat_group_list): New function.
2073         (function_and_variable_visibility): Call
2074         dissolve_same_comdat_group_list when comdat group contains external or
2075         newly local nodes.
2076         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2077         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2078
2079 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2080
2081         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2082         (const_hash_1) <VECTOR_CST>: New case.
2083         (compare_constant) <VECTOR_CST>: Likewise.
2084         <ADDR_EXPR>: Deal with LABEL_REFs.
2085         (copy_constant) <VECTOR_CST>: New case.
2086
2087 2010-04-27  Jan Hubicka  <jh@suse.cz>
2088
2089         * cgraph.c (cgraph_propagate_frequency): New function.
2090         * cgraph.h (cgraph_propagate_frequency): Declare.
2091         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2092         cgraph_propagate_frequency.
2093
2094 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2095
2096         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2097
2098 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2099
2100         PR target/40657
2101         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2102         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2103         here to determine which regs to push and how much stack to reserve.
2104
2105 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2106
2107         * doc/gimple.texi (gimple_statement_with_ops): Remove
2108         addresses_taken field.
2109         (gimple_statement_with_memory_ops): Likewise.
2110
2111 2010-04-27  Jan Hubicka  <jh@suse.cz>
2112
2113         * tree-inline.c (eni_inlining_weights): Remove.
2114         (estimate_num_insns): Special case more builtins.
2115
2116 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2117
2118         PR c/32207
2119         * c-typeck.c (build_binary_op): Move forward check for comparison
2120         pointer with null pointer constant and adjust the diagnostic message.
2121
2122 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2123
2124         PR lto/42776
2125         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2126         binutils supports extended .section directive needed by LTO, or
2127         warn if older binutils found.
2128         (LTO_BINARY_READER): New AC_SUBST'd variable.
2129         (LTO_USE_LIBELF): Likewise.
2130         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2131         variable.
2132         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2133         (LTO_USE_LIBELF): Likewise.
2134         * configure: Regenerate.
2135
2136         * collect2.c (is_elf): Rename from this ...
2137         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2138          object files in addition to ELF-formatted ones.
2139         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2140         symbol to be prefixed or not by an extra underscore.
2141
2142         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2143         * config/i386/winnt.c: Also #include lto-streamer.h
2144         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2145         LTO named sections.
2146         (i386_pe_asm_output_aligned_decl_common): Add comment.
2147         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2148
2149 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2150
2151         PR target/43889
2152         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2153         Add missing earlyclobber for second alternative.
2154
2155 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2156
2157         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2158         bits for artificial defs at the top of the block.
2159         * fwprop.c (single_def_use_enter_block): Don't call it.
2160
2161 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2162
2163         PR 43715
2164         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2165         instead of "$gcc_cv_objdump -T".
2166         Use "-undefined dynamic_lookup" on darwin.
2167         * gcc/configure: Regenerate.
2168
2169 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR c/43893
2172         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2173
2174 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2175
2176         * c-parser.c (struct c_token): Move location field up.
2177         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2178         (struct c_declspecs): Convert typespec_word, storage_class, and
2179         default_int_p into bitfields.
2180         (struct c_declarator): Move loc field up.
2181
2182 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2183
2184         * cfgloop.h (struct loop): Move can_be_parallel field up.
2185         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2186         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2187         down.
2188         (struct iv_cand): Convert pos field into a bitfield.
2189         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2190         field up.
2191         (struct _stmt_vec_info): Shuffle fields for better packing.
2192
2193 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2194
2195         * varasm.c (IN_NAMED_SECTION): Remove guard.
2196         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2197         (IN_NAMED_SECTION_P): ...this.
2198         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2199         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2200
2201 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2202
2203         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2204         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2205         of shadowing it.  Fix comments.
2206
2207 2010-04-26  Jan Hubicka  <jh@suse.cz>
2208
2209         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2210         (cgraph_clone_node): Copy function frequency.
2211         * cgraph.h (node_frequency): New enum
2212         (struct cgraph_node): Add.
2213         * final.c (rest_of_clean_state): Update.
2214         * lto-cgraph.c (lto_output_node): Output node frequency.
2215         (input_overwrite_node): Input node frequency.
2216         * tre-ssa-loop-ivopts (computation_cost): Update.
2217         * lto-streamer-out.c (output_function): Do not output function
2218         frequency.
2219         * predict.c (maybe_hot_frequency_p): Update and handle functions
2220         executed once.
2221         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2222         attribute lookup.
2223         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2224         (compute_function_frequency): Set noreturn functions to be executed
2225         once.
2226         (choose_function_section): Update.
2227         * lto-streamer-in.c (input_function): Do not input function frequency.
2228         * function.c (allocate_struct_function): Do not initialize function
2229         frequency.
2230         * function.h (function_frequency): Remove.
2231         (struct function): Remove function frequency.
2232         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2233         (try_update): Update.
2234         * tree-inline.c (initialize_cfun): Do not update function frequency.
2235         * passes.c (pass_init_dump_file): Update.
2236         * i386.c (ix86_compute_frame_layout): Update.
2237         (ix86_pad_returns): Update.
2238
2239 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2240
2241         PR tree-optimization/43833
2242         * tree-vrp.c (range_int_cst_p): New.
2243         (range_int_cst_singleton_p): New.
2244         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2245         when both operands are constants.  Use range_int_cst_p in
2246         BIT_IOR_EXPR case.
2247
2248 2010-04-26  Jan Hubicka  <jh@suse.cz>
2249
2250         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2251
2252 2010-04-26  Richard Guenther  <rguenther@suse.de>
2253
2254         PR lto/43080
2255         * gimple.c (gimple_decl_printable_name): Deal gracefully
2256         with a NULL DECL_NAME.
2257
2258 2010-04-26  Richard Guenther  <rguenther@suse.de>
2259
2260         PR lto/42425
2261         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2262         if emitting debug information and it is either a function
2263         or a namespace decl.
2264
2265 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2266
2267         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2268         determine if the statement is vectorizable, and a macro to access it.
2269         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2270         Skip statements that can't be vectorized. If the analysis fails,
2271         mark the statement as unvectorizable if vectorizing basic block.
2272         (vect_compute_data_refs_alignment): Likewise.
2273         (vect_verify_datarefs_alignment): Skip statements marked as
2274         unvectorizable. Add print.
2275         (vect_analyze_group_access): Skip statements that can't be
2276         vectorized. If the analysis fails, mark the statement as
2277         unvectorizable if vectorizing basic block.
2278         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2279         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2280         generated stmts for SLP.
2281         (new_stmt_vec_info): Initialize the new field.
2282         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2283         statements marked as unvectorizable.
2284
2285 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2286
2287         * c-common.c (flag_isoc1x): New.
2288         (flag_isoc99): Update comment.
2289         * c-common.h (flag_isoc1x): New.
2290         (flag_isoc99): Update comment.
2291         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2292         __<type>_DECIMAL_DIG__.
2293         * c-opts.c (set_std_c1x): New.
2294         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2295         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2296         * c.opt (-std=c1x, -std=gnu1x): New options.
2297         * doc/cpp.texi: Mention -std=c1x.
2298         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2299         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2300         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2301         * doc/standards.texi: Mention C1X.
2302         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2303         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2304         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2305         Define for C1X.
2306
2307 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2308
2309         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2310         placeholder from 0x%x to %#x.
2311         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2312         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2313         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2314         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2315         * config/i386/i386.c (ix86_target_string): Ditto.
2316         (output_pic_addr_const): Ditto.
2317         (print_operand): Ditto.
2318
2319 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2320
2321         * combine.c (find_split_point): Add third argument.  Use it
2322         to find nested multiply-accumulate instructions.  Adjust calls.
2323         (try_combine): Adjust call to find_split_point.
2324
2325 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2326
2327         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2328
2329 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2330
2331         PR tree-optimization/41442
2332         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2333         (fold_binary_loc): Call it.
2334
2335 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2336
2337         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2338         * opts.c (common_handle_option): Allow disabling it.
2339         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2340
2341 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2342
2343         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2344         between modes if both types are integral.
2345
2346 2010-04-23  Richard Guenther  <rguenther@suse.de>
2347
2348         PR tree-optimization/43572
2349         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2350
2351 2010-04-23  Richard Guenther  <rguenther@suse.de>
2352
2353         PR lto/43455
2354         * tree-inline.c (tree_can_inline_p): Also check compatibility
2355         of return types.
2356
2357 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2358
2359         PR tree-optimization/43846
2360         * tree-sra.c (struct access): New flag grp_assignment_read.
2361         (build_accesses_from_assign): Set grp_assignment_read.
2362         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2363         (enum mark_read_status): New type.
2364         (analyze_access_subtree): Propagate grp_assignment_read, create
2365         accesses also if both direct_read and root->grp_assignment_read.
2366
2367 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2368
2369         PR middle-end/43835
2370         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2371         function does not have type attributes.
2372
2373 2010-04-23  Richard Guenther  <rguenther@suse.de>
2374
2375         PR lto/42653
2376         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2377         of FUNCTION_DECLs.
2378
2379 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2380
2381         * sese.h (create_if_region_on_edge): Remove.
2382
2383         * sese.c (create_if_region_on_edge): Make static.
2384
2385         * tree-inline.c: Do not include ggc.h.
2386
2387         * expr.c: Do not include ggc.h.
2388
2389         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2390         dependencies.
2391
2392 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2393
2394         PR target/43744
2395         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2396         in the middle of insns for casesi_worker_2.
2397
2398 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2399
2400         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2401
2402 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2403
2404         PR tree-optimization/43842
2405         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2406         loop unrolling in update of exit phis. Fix comment.
2407         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2408         least two reduction statements in the loop before starting SLP
2409         analysis.
2410
2411 2010-04-22  Nick Clifton  <nickc@redhat.com>
2412
2413         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2414
2415 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2416
2417         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2418         to simplify a + ~a.
2419
2420 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2421
2422         * tree-parloops.c (loop_parallel_p): New argument
2423         parloop_obstack.  Pass it down.
2424         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2425         pass it down, free it.
2426
2427         * tree-loop-linear.c (linear_transform_loops): Pass down
2428         lambda_obstack.
2429
2430         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2431         of type struct obstack *.
2432
2433         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2434         scratch_obstack.  Initialize it, pass down, free it.
2435
2436         * lambda.h (lambda_loop_new): Remove.
2437         (lambda_matrix_new, lambda_matrix_inverse)
2438         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2439         argument of type struct obstack *.
2440
2441         * lambda-trans.c (lambda_trans_matrix_new): New argument
2442         lambda_obstack.  Pass it down, use obstack allocation for ret.
2443         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2444         it down.
2445
2446         * lambda-mat.c (lambda_matrix_get_column)
2447         (lambda_matrix_project_to_null): Remove.
2448         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2449         allocation for mat.
2450         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2451         lambda_obstack.
2452
2453         * lambda-code.c (lambda_loop_new): New function.
2454         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2455         (lambda_compute_auxillary_space, lambda_compute_target_space)
2456         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2457         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2458         (build_access_matrix): New argument lambda_obstack.  Use obstack
2459         allocation for am.
2460         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2461         argument lambda_obstack.  Pass it down.
2462
2463 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2464
2465         * optabs.h (expand_widening_mult): Declare.
2466
2467 2010-04-22  Richard Guenther  <rguenther@suse.de>
2468
2469         PR tree-optimization/43845
2470         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2471         lookup the CALL_EXPR function and arguments.
2472
2473 2010-04-22  Nick Clifton  <nickc@redhat.com>
2474
2475         * config/stormy16/stormy16.c
2476         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2477         * config/stormy16/stormy16.h: Tidy up formatting.
2478         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2479         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2480         (ineqbranchsi): Delete pattern.
2481         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2482         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2483         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2484         stormy16-lib2-ucmpsi2.c.
2485
2486 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2487
2488         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2489         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2490         extra set merge_set_noclobber, and use it to relax the final test
2491         slightly.
2492         * df.h (df_simulate_find_noclobber_defs): Declare.
2493         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2494         conditional defs.
2495         (df_simulate_find_noclobber_defs): New function.
2496
2497 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2498
2499         * config/i386/i386.md: Use {} around multi-line preparation statements.
2500
2501 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2502
2503         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2504         (process_init_element): New argument of type struct obstack *.
2505
2506         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2507         (set_init_index, set_init_label, set_nonincremental_init)
2508         (set_nonincremental_init_from_string, find_init_member)
2509         (output_init_element, output_pending_init_elements)
2510         (process_init_element): New argument braced_init_obstack.  Pass it
2511         down.
2512         (push_range_stack, add_pending_init): New argument
2513         braced_init_obstack.  Use obstack allocation.
2514
2515         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2516         braced_init_obstack.  Pass it down.
2517         (c_parser_braced_init): New variables ret, braced_init_obstack.
2518         Initialize obstack, pass it down and finally free it.
2519
2520 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2521
2522         PR middle-end/29274
2523         * tree-pass.h (pass_optimize_widening_mul): Declare.
2524         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2525         gate_optimize_widening_mul): New static functions.
2526         (pass_optimize_widening_mul): New.
2527         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2528         <case MULT_EXPR>: Remove support for widening multiplies.
2529         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2530         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2531         simplify_gen_unary rather than directly building extensions.
2532         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2533         WIDEN_MULT_EXPR.
2534         * expmed.c (expand_widening_mult): New function.
2535         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2536
2537 2010-04-21  Jan Hubicka  <jh@suse.cz>
2538
2539         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2540         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2541         * lto-wpa-fixup.c: Remove.
2542         * Makefile.in (lto-wpa-fixup.o): Remove.
2543         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2544         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2545         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2546
2547 2010-04-21  Jan Hubicka  <jh@suse.cz>
2548
2549         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2550         add write_optimization_summary, read_optimization_summary.
2551         (ipa_write_summaries_of_cgraph_node_set): Remove.
2552         (ipa_write_optimization_summaries): Declare.
2553         (ipa_read_optimization_summaries): Declare.
2554         * ipa-cp.c (pass_ipa_cp): Update.
2555         * ipa-reference.c (pass_ipa_reference): Update.
2556         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2557         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2558         Update.
2559         * ipa-inline.c (pass_ipa_inline): Update.
2560         * ipa.c (pass_ipa_whole_program): Update.
2561         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2562         * passes.c (ipa_write_summaries_1): Do not test wpa.
2563         (ipa_write_optimization_summaries_1): New.
2564         (ipa_write_optimization_summaries): New.
2565         (ipa_read_summaries): Do not test ltrans.
2566         (ipa_read_optimization_summaries_1): New.
2567         (ipa_read_optimization_summaries): New.
2568
2569 2010-04-21  Jan Hubicka  <jh@suse.cz>
2570
2571         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2572         for boundary nodes.
2573         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2574
2575 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2576
2577         PR debug/40040
2578         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2579         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2580
2581 2010-04-21  Jan Hubicka  <jh@suse.cz>
2582
2583         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2584
2585 2010-04-21  Jan Hubicka  <jh@suse.cz>
2586
2587         * varpool.c (decide_is_variable_needed): Variable is always needed
2588         during ltrans.
2589
2590 2010-04-21  Jan Hubicka  <jh@suse.cz>
2591
2592         * opts.c (decode_options): Enable pure-const pass for whopr.
2593
2594 2010-04-21  Jan Hubicka  <jh@suse.cz>
2595
2596         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2597         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2598         at WPA dumping.
2599         (cgraph_decide_inlining): Do not expect callee to be removed in all
2600         cases.
2601
2602 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2603
2604         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2605
2606 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2607
2608         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2609         amdfam10_decode attributes.
2610
2611 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2612
2613         PR middle-end/43570
2614         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2615         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2616         (lower_copyprivate_clauses): Use private var in outer
2617         context instead of original var.  Make sure the types
2618         are correct for VLAs.
2619
2620 2010-04-21  Richard Guenther  <rguenther@suse.de>
2621
2622         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2623         to non-pointer objects.
2624
2625 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2626
2627         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2628         last chain entry if it starts with the still current label.
2629         (add_location_or_const_value_attribute): Check that
2630         loc_list->first->next is NULL instead of comparing ->first with ->last.
2631         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2632         to add_var_loc_to_decl.
2633
2634         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2635         >= 4 add also address size and segment size fields into CIE header.
2636
2637         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2638         long as address size is the same as sizeof (void *) and
2639         segment size is 0.
2640         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2641         address size or segment size is unexpected, return DW_EH_PE_omit.
2642         (classify_object_over_fdes): If get_cie_encoding returned
2643         DW_EH_PE_omit, return -1.
2644         (init_object): If classify_object_over_fdes returned -1,
2645         pretend there were no FDEs at all.
2646
2647 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2648
2649         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2650         bswap{si,di}2 using SWI48 mode iterator.
2651         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2652         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2653         set modrm attribute of bswap insn to 0 and remove length attribute.
2654         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2655         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2656         set mode attribute to <MODE> and remove length attribute.
2657
2658 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2659
2660         PR rtl-optimization/43520
2661         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2662         zero available registers.
2663
2664 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2665
2666         * builtins.c (fold_builtin_cproj): Fold more cases.
2667
2668 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2669
2670         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2671         (fold_builtin_1): Fold builtin cproj.
2672         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2673         Use ATTR_CONST_NOTHROW_LIST.
2674
2675 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2676
2677         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2678         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2679         ffsi2_no_cmove for !TARGET_CMOVE.
2680         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2681         (ffssi2): Remove expander.
2682         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2683         mode iterator.
2684         (ctz<mode>2): Ditto from ctz{si,di}2.
2685         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2686         mode iterator.
2687         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2688         mode iterator.
2689
2690 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2691
2692         * dwarf2out.c (AT_linkage_name): Define.
2693         (clone_as_declaration): Handle DW_AT_linkage_name.
2694         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2695         of DW_AT_MIPS_linkage_name.
2696         (move_linkage_attr): Likewise.
2697         (dwarf2out_finish): Likewise.
2698
2699 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2700
2701         PR middle-end/41952
2702         * fold-const.c (fold_comparison): New folding rule.
2703
2704 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2705
2706         * double-int.h (double_int_setbit): Declare.
2707         * double-int.c (double_int_setbit): New function.
2708         * rtl.h (immed_double_int_const): Declare.
2709         * emit-rtl.c (immed_double_int_const): New function.
2710         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2711         and immed_double_int_const functions.
2712         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2713         expand_copysign_bit):  (Ditto.).
2714         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2715         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2716         * dojump.c (prefer_and_bit_test): (Ditto.).
2717         * expr.c (convert_modes, reduce_to_bit_field_precision,
2718         const_vector_from_tree): (Ditto.).
2719         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2720
2721 2010-04-20  Jan Hubicka  <jh@suse.cz>
2722
2723         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2724         (dump_cgraph_node): Dump new flags.
2725         * cgraph.h (struct cgraph_node): Add flags
2726         reachable_from_other_partition and in_other_partition.
2727         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2728         other partition can not be removed.
2729         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2730         the other partition must be output; silence sanity checking on
2731         leaking functions bodies from other paritition.
2732         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2733         (lto_output_node): Output new flags; do not sanity check that inline
2734         clones are output; drop lto_forced_extern_inline_p code; do not mock
2735         visibility flags at partition boundaries.
2736         (add_node_to): New function.
2737         (output_cgraph): Use it to sort functions so masters appear before
2738         clones.
2739         (input_overwrite_node): Input new flags.
2740         * passes.c (ipa_write_summaries): Do not call
2741         lto_new_extern_inline_states.
2742         * lto-section-out.c (forced_extern_inline,
2743         lto_new_extern_inline_states lto_delete_extern_inline_states,
2744         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2745         * lto-streamer.h (lto_new_extern_inline_states,
2746         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2747         lto_forced_extern_inline_p): Kill.
2748
2749 2010-04-20  Richard Guenther  <rguenther@suse.de>
2750
2751         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2752         from vars that can have pointers.
2753         (process_constraint): Dump useless constraints.
2754
2755 2010-04-20  Richard Guenther  <rguenther@suse.de>
2756
2757         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2758         (dump_sa_points_to_info): Remove asserts.
2759         (init_base_vars): nothing_id isn't an escape point nor does it
2760         have pointers.
2761
2762 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2763
2764         * tree.h (TYPE_REF_IS_RVALUE): Define.
2765         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2766         should_move_die_to_comdat, prune_unused_types_walk): Handle
2767         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2768         (modified_type_die, gen_reference_type_die): Emit
2769         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2770         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2771
2772 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2773
2774         PR target/43635
2775         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2776         calls for -fpic -m31 if they have been sibcall optimized.
2777
2778 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2779
2780         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2781         ar.lc fixed and call-used.
2782
2783         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2784
2785 2010-04-19  Jan Hubicka  <jh@suse.cz>
2786
2787         * opts.c (decode_options): Disable whpr incompatible passes.
2788         * lto/lto.c (lto_1_to_1_map): Skip clones.
2789         (read_cgraph_and_symbols): Do not mark everything as needed.
2790         (do_whole_program_analysis): Do map only after optimizing;
2791         set proper cgraph_state; use passmanager.
2792
2793 2010-04-19  DJ Delorie  <dj@redhat.com>
2794
2795         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2796         POINTER_PLUS_EXPR and fix them.
2797
2798 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2799
2800         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2801         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2802         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2803         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2804         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2805         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2806         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2807         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2808         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2809         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2810         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2811
2812 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2813
2814         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2815         (check_cond_move_block): Likewise.
2816         (cond_move_process_if_block): Likewise.
2817         (noce_find_if_block): Improve formatting.
2818         (find_if_header): Pass 0 to memset and tweak conditions.
2819         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2820
2821 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2822
2823         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2824         for -gdwarf-4.
2825
2826         PR middle-end/43337
2827         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2828         with non-local decl doesn't need chain.
2829
2830 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2831
2832         * ira-color.c (allocno_reload_assign): Avoid accumulating
2833         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2834
2835 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2836
2837         * gimple.h (create_tmp_reg): Declare.
2838         * gimplify.c (create_tmp_reg): New function.
2839         (gimplify_return_expr): Use create_tmp_reg.
2840         (gimplify_omp_atomic): Likewise.
2841         (gimple_regimplify_operands): Likewise.
2842         * tree-dfa.c (make_rename_temp): Likewise.
2843         * tree-predcom.c (predcom_tmp_var): Likewise.
2844         (reassociate_to_the_same_stmt): Likewise.
2845         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2846         (get_replaced_param_substitute): Likewise.
2847         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2848         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2849         * tree-ssa-pre.c (get_representative_for): Likewise.
2850         (create_expression_by_pieces): Likewise.
2851         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2852         (create_tailcall_accumulator): Likewise.
2853
2854 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2855
2856         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2857         new_stmt.
2858         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2859
2860 2010-04-19  Richard Guenther  <rguenther@suse.de>
2861
2862         PR tree-optimization/43796
2863         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2864         from SCEV in the lattice.
2865         (vrp_visit_phi_node): Dump change.
2866
2867 2010-04-19  Richard Guenther  <rguenther@suse.de>
2868
2869         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2870         * configure: Re-generated.
2871
2872 2010-04-19  Richard Guenther  <rguenther@suse.de>
2873
2874         PR tree-optimization/43783
2875         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2876         constant ARRAY_REF operands two and three if possible.
2877
2878 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2879
2880         PR target/43766
2881         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2882
2883 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2884
2885         PR target/43662
2886         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2887
2888 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2889
2890         PR tree-optimization/37027
2891         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2892         and macro to access it.
2893         (vectorizable_reduction): Add argument.
2894         (vect_get_slp_defs): Likewise.
2895         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2896         statements for possible use in SLP.
2897         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2898         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2899         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2900         add new argument.
2901         (vectorizable_reduction): Likewise.
2902         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2903         vect_get_slp_defs.
2904         (vectorizable_type_demotion, vectorizable_type_promotion,
2905         vectorizable_store): Likewise.
2906         (vect_analyze_stmt): Update call to vectorizable_reduction.
2907         (vect_transform_stmt): Likewise.
2908         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2909         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2910         from different interleaving chains in same node.
2911         (vect_slp_rearrange_stmts): New function.
2912         (vect_supported_load_permutation_p): Allow load permutations for
2913         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2914         inside SLP nodes if necessary.
2915         (vect_analyze_slp_instance): Handle reductions.
2916         (vect_analyze_slp): Try to build SLP instances originating from groups
2917         of reductions.
2918         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2919         (vect_get_constant_vectors): Create initial vectors for reductions
2920         according to reduction code. Add new argument.
2921         (vect_get_slp_defs): Add new argument, pass it to
2922         vect_get_constant_vectors.
2923         (vect_schedule_slp_instance): Remove SLP tree root statements.
2924
2925 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2926
2927         * tree.h (ENUM_IS_SCOPED): Define.
2928         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2929         for ENUM_IS_SCOPED enums.
2930
2931 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2932
2933         * fold-const.c (fold_comparison): Use ssizetype.
2934         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2935         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2936         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2937         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2938
2939         * tree.h (initialize_sizetypes): Remove parameter.
2940         (build_common_tree_nodes): Remove second parameter.
2941         * stor-layout.c (initialize_sizetypes): Remove parameter.
2942         Always create an unsigned type.
2943         (set_sizetype): Assert that the passed type is unsigned and simplify.
2944         * tree.c (build_common_tree_nodes): Remove second parameter.
2945         Adjust call to initialize_sizetypes.
2946         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2947         build_common_tree_nodes.
2948
2949 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2950
2951         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2952
2953 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2954
2955         PR tree-optimization/43771
2956         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2957         load permutation doesn't have gaps.
2958
2959 2010-04-18  Jan Hubicka  <jh@suse.cz>
2960
2961         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2962         (sse_prologue_save_insn expander): Use new pattern.
2963         (sse_prologue_save_insn1): New pattern and splitter.
2964         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2965         blocks.
2966         * i386.c (setup_incoming_varargs_64): Do not compute jump
2967         destination here.
2968         (ix86_gimplify_va_arg): Update alignment needed.
2969         (ix86_local_alignment): Do not align all local arrays to 128bit.
2970
2971 2010-04-17  Jan Hubicka  <jh@suse.cz>
2972
2973         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2974
2975 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2976
2977         * arm.md (negdi2): Remove redundant code to force values into a
2978         register.
2979
2980 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2981
2982         * arm/bpabi.S: Add EABI alignment attributes to objects.
2983         * arm/bpabi-v6m.S: Likewise.
2984         * arm/crti.asm: Likewise.
2985         * arm/crtn.asm: Likewise.
2986         * arm/lib1funcs.asm: Likewise.
2987         * arm/libunwind.S: Likewise.
2988
2989 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2990
2991         * arm-protos.h (tune_params): New structure.
2992         * arm.c (current_tune): New variable.
2993         (arm_constant_limit): Delete.
2994         (struct processors): Add pointer to the tune parameters.
2995         (arm_slowmul_tune): New tuning option.
2996         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2997         (all_cores): Adjust to pick up the tuning model.
2998         (arm_constant_limit): New function.
2999         (arm_override_options): Select the appropriate tuning model.  Delete
3000         initialization of arm_const_limit.
3001         (arm_split_constant): Use the new constant-limit model.
3002         (arm_rtx_costs): Pick up the current tuning model.
3003         * arm.md (is_strongarm, is_xscale): Delete.
3004         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3005         for Xscale variant architectures.
3006         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3007
3008 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3009
3010         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3011         can_shift.
3012         (arm_rtx_costs_1): Remove unused variable extra_cost.
3013         (arm_unwind_emit_set): Use variable offset.
3014         (thumb1_output_casesi): Remove unused variable flags.
3015
3016 2010-04-16  Jeff Law  <law@redhat.com>
3017
3018         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3019         needing assignment rather than doing a two-phase assignment.  Remove
3020         unused variable 'm'.
3021
3022 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3023
3024         PR bootstrap/43767
3025         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3026
3027 2010-04-16  Doug Kwan  <dougkwan@google.com>
3028
3029         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3030         (next_operand_entry_id): New static variable.
3031         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3032         (add_to_ops_vec): Assigned unique ID to operand entry.
3033         (struct oecount_s): New field ID.
3034         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3035         (undistribute_ops_list): Assign unique IDs to oecounts.
3036         (init_reassoc): reset next_operand_entry_id.
3037
3038 2010-04-16  Doug Kwan  <dougkwan@google.com>
3039
3040         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3041         missing left parenthesis.
3042
3043 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3044
3045         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3046         *btdi_rex64 using SWI48 mode iterator.
3047         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3048         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3049         *jcc_btdi_mask_rex64.
3050
3051 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3052
3053         * double-int.h (tree_to_double_int): Convert to macro.
3054         * double-int.c (tree_to_double_int): Remove.
3055
3056 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3057
3058         PR debug/43762
3059         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3060         with want_address 2 and in case a single element list might be
3061         possible, call it again with want_address 0.
3062
3063 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3064
3065         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3066         case 'W' print operands for HI mode.
3067         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3068         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3069         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3070         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3071
3072         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3073
3074         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3075         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3076         #xx:3 and #xx:4 mode.
3077
3078         * config/h8300/h8300.md (inverted load with HImode dest): Add
3079         support for H8300SX.
3080
3081         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3082         satisfy 'U' constraint.
3083
3084 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3085
3086         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3087         * configure: Regenerate.
3088         * config.in: Regenerate.
3089         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3090         works.
3091
3092 2010-04-16  Richard Guenther  <rguenther@suse.de>
3093
3094         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3095         (struct tree_decl_common): ... here.
3096         (DECL_PT_UID): Adjust.
3097         (SET_DECL_PT_UID): Likewise.
3098         (DECL_PT_UID_SET_P): Likewise.
3099
3100 2010-04-16  Richard Guenther  <rguenther@suse.de>
3101
3102         PR tree-optimization/43572
3103         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3104         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3105         * tree-flow.h (is_call_clobbered): Remove.
3106         * tree-flow-inline.h (is_call_clobbered): Likewise.
3107         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3108         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3109         (execute_return_slot_opt): Adjust.
3110         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3111         check for call clobbered vars here.
3112         (find_tail_calls): Move tailcall verification to the
3113         proper place.
3114
3115 2010-04-16  Diego Novillo  <dnovillo@google.com>
3116
3117         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3118
3119 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3120
3121         PR target/40603
3122         * config/arm/arm.md (cbranchqi4): New pattern.
3123         * config/arm/predicates.md (const0_operand,
3124         cbranchqi4_comparison_operator): New predicates.
3125
3126 2010-04-16  Richard Guenther  <rguenther@suse.de>
3127
3128         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3129         (dump_gimple_stmt): Likewise.
3130
3131 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3132
3133         * recog.h (struct recog_data): New field is_operator.
3134         (struct insn_operand_data): New field is_operator.
3135         * recog.c (extract_insn): Set recog_data.is_operator.
3136         * genoutput.c (output_operand_data): Emit code to set the
3137         is_operator field.
3138         * reload.c (find_reloads): Use it rather than testing for an
3139         empty constraint string.
3140
3141         PR target/41514
3142         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3143         If the previous insn is a cbranchsi4_insn with the same arguments,
3144         omit the compare instruction.
3145
3146         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3147         register, inputs must be low registers and we need a low register
3148         scratch.  Handle alternative 2 like alternative 3.
3149
3150 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3151
3152         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3153         don't call get_addr on both.  If one expression is a VALUE and
3154         the other a REG, check VALUE's locs if the REG isn't among them.
3155
3156 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3157
3158         * config/sh/sh.h (sh_frame_pointer_required): New function.
3159         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3160         (flag_omit_frame_pointer) Set.
3161         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3162         (rounded_frame_size): Adjust size with outgoing_args_size.
3163         (sh_set_return_address): Must return from stack pointer.
3164         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3165         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3166         (ACCUMULATE_OUTGOING_ARGS): Define.
3167         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3168         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3169
3170 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3171
3172         PR target/43471
3173         * config/sh/sh.c (sh_legitimize_reload_address): Use
3174         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3175         Remove a unneeded check for offset_base.
3176
3177 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3178
3179         * configure: Regenerated.
3180
3181 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3182
3183         * config/s390/s390.c (s390_call_save_register_used): Switch back
3184         to HARD_REGNO_NREGS.
3185
3186 2010-04-15  Richard Guenther  <rguenther@suse.de>
3187
3188         * alias.c (alias_set_subset_of): Handle alias-set zero
3189         child properly.
3190
3191 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3192             Julian Brown  <julian@codesourcery.com>
3193
3194         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3195         alternatives according to use of high and low regs.
3196         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3197         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3198         optimizing for size on Thumb-2.
3199
3200 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3201
3202         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3203
3204 2010-04-15  Richard Guenther  <rguenther@suse.de>
3205
3206         * tree-ssa-structalias.c (struct variable_info): Add
3207         is_fn_info flag.
3208         (new_var_info): Initialize it.
3209         (dump_constraints): Support printing last added constraints.
3210         (debug_constraints): Adjust.
3211         (dump_constraint_graph): Likewise.
3212         (make_heapvar_for): Check for NULL cfun.
3213         (get_function_part_constraint): New function.
3214         (get_fi_for_callee): Likewise.
3215         (find_func_aliases): Properly implement IPA PTA constraints.
3216         (process_ipa_clobber): New function.
3217         (find_func_clobbers): Likewise.
3218         (insert_into_field_list_sorted): Remove.
3219         (create_function_info_for): Properly allocate vars for IPA mode.
3220         Do not use insert_into_field_list_sorted.
3221         (create_variable_info_for): Properly generate constraints for
3222         global vars in IPA mode.
3223         (dump_solution_for_var): Always dump the solution.
3224         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3225         (find_what_var_points_to): Adjust.
3226         (pt_solution_set): Change.
3227         (pt_solution_ior_into): New function.
3228         (pt_solution_empty_p): Export.
3229         (pt_solution_includes_global): Adjust.
3230         (pt_solution_includes_1): Likewise.
3231         (pt_solutions_intersect_1): Likewise.
3232         (dump_sa_points_to_info): Check some invariants.
3233         (solve_constraints): Move constraint dumping ...
3234         (compute_points_to_sets): ... here.
3235         (ipa_pta_execute): ... and here.
3236         (compute_may_aliases): Do not re-compute points-to info
3237         locally if IPA info is available.
3238         (ipa_escaped_pt): New global var.
3239         (ipa_pta_execute): Properly implement IPA PTA.
3240         * tree-into-ssa.c (dump_decl_set): Support dumping
3241         decls not in referenced-vars.
3242         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3243         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3244         (dump_points_to_solution): Likewise.
3245         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3246         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3247         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3248         (copy_decl_to_var): Copy DECL_PT_UID.
3249         (copy_result_decl_to_var): Likewise.
3250         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3251         (copy_node_stat): Copy it.
3252         * tree.h (DECL_PT_UID): New macro.
3253         (SET_DECL_PT_UID): Likewise.
3254         (DECL_PT_UID_SET_P): Likewise.
3255         (struct tree_decl_minimal): Add pt_uid member.
3256         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3257         (pt_solution_empty_p): Declare.
3258         (pt_solution_set): Adjust.
3259         (ipa_escaped_pt): Declare.
3260         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3261         * gimple-pretty-print.c (pp_points_to_solution): New function.
3262         (dump_gimple_call): Dump call clobber/use information.
3263         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3264         * tree-pass.h (TDF_ALIAS): New dump option.
3265         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3266         * doc/invoke.texi (-fipa-pta): Update documentation.
3267
3268 2010-04-15  Richard Guenther  <rguenther@suse.de>
3269
3270         * Makefile.in (OBJS-common): Add gimple-fold.o.
3271         (gimple-fold.o): New rule.
3272         * tree.h (maybe_fold_offset_to_reference,
3273         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3274         prototypes ...
3275         * gimple.h: ... here.
3276         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3277         may_propagate_address_into_dereference): Move prototypes ...
3278         * gimple.h: ... here.
3279         * tree-ssa-ccp.c (get_symbol_constant_value,
3280         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3281         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3282         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3283         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3284         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3285         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3286         gimplify_and_update_call_from_tree): Move ...
3287         * gimple-fold.c: ... here.  New file.
3288         (ccp_fold_builtin): Rename to ...
3289         (gimple_fold_builtin): ... this.
3290         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3291
3292 2010-04-15  Richard Guenther  <rguenther@suse.de>
3293
3294         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3295         fit_double_type, force_fit_type_double, add_double_with_sign,
3296         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3297         lrotate_double, rrotate_double, div_and_round_double): Move ...
3298         * double-int.c: ... here.
3299         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3300         add_double, neg_double, mul_double_with_sign, mul_double,
3301         lshift_double, rshift_double, lrotate_double, rrotate_double,
3302         div_and_round_double): Move prototypes ...
3303         * double-int.h: ... here.
3304
3305 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3306
3307         PR target/43742
3308         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3309         matching constraints to ensure inputs match the output.
3310
3311 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3312
3313         PR target/43742
3314         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3315         in an input-only operand.
3316
3317 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3318
3319         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3320         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3321         (double_int_negative_p): Convert to static inline function.
3322         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3323         (double_int_negative_p): Remove.
3324         * tree.h (lshift_double, rshift_double):
3325         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3326         * fold-const.c (fold_convert_const_int_from_real,
3327         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3328         (lshift_double): Change type of arith argument to bool.
3329         (rshift_double): Change type of arith argument to bool. Correct
3330         comment.
3331         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3332
3333 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3334
3335         PR target/21803
3336         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3337         at the start and end of the then/else blocks, and omit them from the
3338         conversion.
3339         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3340         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3341         (flow_find_head_matching_sequence): New function.
3342         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3343         * basic-block.h (flow_find_cross_jump,
3344         flow_find_head_matching_sequence): Declare functions.
3345
3346 2010-04-14  Jason Merrill  <jason@redhat.com>
3347
3348         PR c++/36625
3349         * c-common.c (attribute_takes_identifier_p): New fn.
3350         * c-common.h: Declare it.
3351
3352 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3353
3354         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3355         splitter condition.
3356         (*udivmod<mode>4): Ditto.
3357
3358 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3359
3360         * config/i386/i386.md (maxmin_int): Rename code attribute from
3361         maxminiprefix and update all users.
3362         (maxmin_float): Ditto from maxminfprefix.
3363         (logic): Ditto from logicprefix.
3364         (absneg_mnemonic): Ditto from absnegprefix.
3365         * config/i386/mmx.md: Update all users of maxminiprefix,
3366         maxminfprefix and logicprefix for rename.
3367         * config/i386/sse.md: Ditto.
3368         * config/i386/sync.md (sync_<code><mode>): Update for
3369         logicprefix rename.
3370
3371 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3372
3373         PR 42966
3374         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3375         warnings converted to errors.
3376
3377 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3378
3379         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3380         used insn_type variable.
3381         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3382         to avoid set-but-not-used warning.
3383
3384 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3385
3386         * df-core.c (df_ref_debug): Change format string placeholder
3387         from 0x%x to %#x.
3388         * dwarf2asm.c (dw2_asm_output_data_raw,
3389         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3390         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3391         * dwarf2out.c (output_cfi, output_cfi_directive,
3392         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3393         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3394         Ditto.
3395         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3396         * print-rtl.c (print_rtx): Ditto.
3397
3398 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3399
3400         PR middle-end/42694
3401         * builtins.c (expand_builtin_pow_root): New function to expand pow
3402         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3403         series of sqrt and cbrt calls under -ffast-math.
3404         (expand_builtin_pow): Call it.
3405
3406 2010-04-14  Michael Matz  <matz@suse.de>
3407
3408         PR tree-optimization/42963
3409         * tree-cfg.c (touched_switch_bbs): New static variable.
3410         (group_case_labels_stmt): New function broken out from ...
3411         (group_case_labels): ... here, use the above.
3412         (start_recording_case_labels): Allocate touched_switch_bbs.
3413         (end_recording_case_labels): Deallocate it, call
3414         group_case_labels_stmt.
3415         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3416
3417 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3418
3419         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3420         from insn template.
3421
3422 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3423
3424         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3425
3426 2010-04-13  Jan Hubicka  <jh@suse.cz>
3427
3428         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3429         of optimized out static functions.
3430         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3431         cost computation.  Also sanity check for overflows.
3432         (update_caller_keys): Update cgraph_edge_badness call; properly
3433         update fibheap and sanity check that it is up to date.
3434         (add_new_edges_to_heap): Update cgraph_edge_badness.
3435         (cgraph_decide_inlining_of_small_function): Likewise;
3436         add sanity checking that badness in heap is up to date;
3437         improve dumping of reason; Update badness of calls to the
3438         offline copy of function currently inlined; dump badness
3439         of functions not inlined because of unit growth limits.
3440
3441 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3442
3443         PR middle-end/32628
3444         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3445         because of sign-extension change when converting to sizetype here...
3446         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3447
3448         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3449         the folding to constants.  Remove redundant final conversion.
3450         (fold_binary) <associate>: Do not associate if the re-association of
3451         constants alone overflows.
3452         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3453         to the end of the list.
3454         (multiple_of_p) <COND_EXPR>: New case.
3455
3456 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3457
3458         * opt-functions.awk (opt_sanitized_name): New.
3459         (opt_enum): New.
3460         * optc-gen.awk: Use it
3461         * opth-gen.awk: Use it.
3462
3463 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3464
3465         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3466         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3467         children.  Call replace_uses_with_default_def_ssa_name to handle
3468         SSA_NAES on lhs.
3469
3470 2010-04-13  Michael Matz  <matz@suse.de>
3471
3472         PR middle-end/43730
3473         * builtins.c (expand_builtin_interclass_mathfn): Also create
3474         a register if the predicate doesn't match.
3475
3476 2010-04-13  Diego Novillo  <dnovillo@google.com>
3477
3478         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3479         * c-pch.c: Include timevar.h.
3480         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3481         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3482         * ggc-common.c: Include timevar.h.
3483         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3484         * timevar.def (TV_PCH_SAVE): Define.
3485         (TV_PCH_CPP_SAVE): Define.
3486         (TV_PCH_PTR_REALLOC): Define.
3487         (TV_PCH_PTR_SORT): Define.
3488         (TV_PCH_RESTORE): Define.
3489         (TV_PCH_CPP_RESTORE): Define.
3490
3491 2010-04-13  Michael Matz  <matz@suse.de>
3492
3493         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3494         into MINUS_EXPRs.
3495         (can_reassociate_p): New function.
3496         (break_up_subtract_bb, reassociate_bb): Use it.
3497
3498 2010-04-13  Richard Guenther  <rguenther@suse.de>
3499
3500         PR bootstrap/43737
3501         * builtins.c (c_readstr): Fix assert.
3502
3503 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3504
3505         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3506         when generating cltd insn.
3507
3508         (*ashl<mode>3_1): Remove special handling for register operand 2.
3509         (*ashlsi3_1_zext): Ditto.
3510         (*ashlhi3_1): Ditto.
3511         (*ashlhi3_1_lea): Ditto.
3512         (*ashlqi3_1): Ditto.
3513         (*ashlqi3_1_lea): Ditto.
3514         (*<shiftrt_insn><mode>3_1): Ditto.
3515         (*<shiftrt_insn>si3_1_zext): Ditto.
3516         (*<shiftrt_insn>qi3_1_slp): Ditto.
3517         (*<rotate_insn><mode>3_1): Ditto.
3518         (*<rotate_insn>si3_1_zext): Ditto.
3519         (*<rotate_insn>qi3_1_slp): Ditto.
3520
3521 2010-04-13  Richard Guenther  <rguenther@suse.de>
3522
3523         * tree-ssa-structalias.c (callused_id): Remove.
3524         (call_stmt_vars): New.
3525         (get_call_vi): Likewise.
3526         (lookup_call_use_vi): Likewise.
3527         (lookup_call_clobber_vi): Likewise.
3528         (get_call_use_vi): Likewise.
3529         (get_call_clobber_vi): Likewise.
3530         (make_transitive_closure_constraints): Likewise.
3531         (handle_const_call): Adjust to do per-call call-used handling.
3532         (handle_pure_call): Likewise.
3533         (find_what_var_points_to): Remove general callused handling.
3534         (init_base_vars): Likewise.
3535         (init_alias_vars): Initialize call_stmt_vars.
3536         (compute_points_to_sets): Process call-used and call-clobbered
3537         vars for call statements.
3538         (delete_points_to_sets): Free call_stmt_vars.
3539
3540 2010-04-13  Richard Guenther  <rguenther@suse.de>
3541
3542         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3543         Only add RW dependence for dependence distance zero.
3544         Adjust maximal vectorization factor according to dependences.
3545         Move alignment handling ...
3546         (vect_find_same_alignment_drs): ... here.  New function.
3547         (vect_analyze_data_ref_dependences): Adjust.
3548         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3549         (vect_analyze_data_refs): Adjust minimal vectorization factor
3550         according to data references.
3551         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3552         dependences before determining the vectorization factor.
3553         Analyze alignment after determining the vectorization factor.
3554         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3555         dependences before alignment.
3556         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3557         Adjust prototype.
3558         (vect_analyze_data_refs): Likewise.
3559         (MAX_VECTORIZATION_FACTOR): New define.
3560
3561 2010-04-13  Duncan Sands  <baldrick@free.fr>
3562
3563         * except.h (lang_eh_type_covers): Remove.
3564         * except.c (lang_eh_type_covers): Likewise.
3565
3566 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3567             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3568
3569         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3570         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3571         UNITS_PER_LONG where it is ABI relevant.
3572         (s390_return_addr_rtx): Likewise.
3573         (s390_back_chain_rtx): Likewise.
3574         (s390_frame_area): Likewise.
3575         (s390_frame_info): Likewise.
3576         (s390_initial_elimination_offset): Likewise.
3577         (save_gprs): Likewise.
3578         (s390_emit_prologue): Likewise.
3579         (s390_emit_epilogue): Likewise.
3580         (s390_function_arg_advance): Likewise.
3581         (s390_function_arg): Likewise.
3582         (s390_va_start): Likewise.
3583         (s390_gimplify_va_arg): Likewise.
3584         (s390_function_profiler): Likewise.
3585         (s390_optimize_prologue): Likewise.
3586         (s390_rtx_costs): Likewise.
3587         (s390_secondary_reload): Likewise.
3588         (s390_promote_function_mode): Likewise.
3589         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3590         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3591         registers available.
3592         (s390_unwind_word_mode): New function.
3593         (s390_function_value): Split 64 bit values into register pair if
3594         used as return value.
3595         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3596         function call parameters.  Handle parallels.
3597         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3598         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3599         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3600         (s390_expand_setmem): Remove unused variable src_addr.
3601         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3602         deal with 64 bit registers.
3603         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3604         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3605         (UNITS_PER_LONG): New macro.
3606         * libjava/include/s390-signal.h: Define extended ucontext
3607         structure containing the upper halfs of the 64 bit registers.
3608
3609 2010-04-13  Simon Baldwin  <simonb@google.com>
3610
3611         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3612
3613 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3614
3615         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3616         rvalue on the RHS if the LHS is of a non-renamable type.
3617         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3618
3619 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3620
3621         * gcc.c (cc1_options): Handle -iplugindir before processing
3622         the cc1 spec. Only add -iplugindir once.
3623         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3624         found.
3625         * common.opt (iplugindir): Remove `Separate' property, initialize.
3626         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3627         option.
3628         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3629         (distclean): Remove plugin dir.
3630         * doc/invoke.texi: Document -iplugindir.
3631
3632 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3633
3634         * doc/plugins.texi (Loading Plugins): Document short
3635         -fplugin=foo option.
3636         (Plugin API): Mention default_plugin_dir_name function.
3637
3638         * gcc.c (find_file_spec_function): Add new declaration.
3639         (static_spec_func): Use it for "find-file".
3640         (find_file_spec_function): Add new function.
3641         (cc1_options): Add -iplugindir option if -fplugin* options found.
3642
3643         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3644
3645         * plugin.c (add_new_plugin): Updated comment, and handle short
3646         plugin name.
3647         (default_plugin_dir_name): Added new function.
3648
3649         * common.opt (iplugindir): New option to set the plugin directory.
3650
3651 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3652
3653         * config/i386/i386.md (any_rotate): New code iterator.
3654         (rotate_insn): New code attribute.
3655         (rotate): Ditto.
3656         (SWIM124): New mode iterator.
3657         (<rotate_insn>ti3): New expander.
3658         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3659         any_rotate code iterator.
3660         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3661         using any_rotate code iterator and SWIM124 mode iterator.
3662         (ix86_rotlti3): New insn_and_split pattern.
3663         (ix86_rotrti3): Ditto.
3664         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3665         ix86_rotl{di,ti}3 patterns.
3666         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3667         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3668         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3669         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3670         code iterator and SWI mode iterator.
3671         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3672         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3673         code iterator.
3674         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3675         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3676         (bswap rotatert splitter): Add splitter.
3677         (bswap splitter): Macroize splitter using any_rotate code iterator.
3678         Add insn predicate to split only for TARGET_USE_XCHGB or when
3679         optimizing function for size.
3680
3681 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3682
3683         * config/pa/pa.c (emit_move_sequence): Remove use of
3684         deleted variable flag_argument_noalias.
3685
3686 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3687
3688         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3689         configurations.
3690         Add to unsupported targets list.
3691         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3692         sparc*-sun-solaris2.[567]* from target lists.
3693         * configure: Regenerate.
3694         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3695         removal.
3696         Remove Solaris 7 patch references.
3697         (Specific, sparc-sun-solaris2.7): Removed.
3698         (sparc-sun-solaris2*): Update Solaris 7 example.
3699         (sparc64-*-solaris2*): Likewise.
3700
3701 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3702
3703         * config.build (alpha*-dec-osf4*): Remove.
3704         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3705         of obsolete configurations.
3706         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3707         support.
3708         * config/alpha/t-osf4: Renamed to ...
3709         * config/alpha/t-osf5: ... this.
3710         * config/alpha/osf.h: Renamed to ...
3711         * config/alpha/osf5.h: ... this.
3712         Merged old osf5.h contents.
3713         Update comments.
3714         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3715         (EXTRA_SPECS): Removed.
3716         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3717         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3718         Document that.
3719
3720 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3721
3722         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3723
3724 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3725
3726         PR/43702
3727         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3728         __thiscall convention.
3729
3730 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3731
3732         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3733         orig_base.
3734         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3735
3736 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3737
3738         * function.c (assign_parms_initialize_all): Add unused attribute
3739         to fntype.
3740
3741 2010-04-12  Richard Guenther  <rguenther@suse.de>
3742
3743         * gsstruct.def (GSS_CALL): New.
3744         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3745         * gimple.h: Include tree-ssa-alias.h.
3746         (struct gimple_statement_call): New.
3747         (union gimple_statement_struct_d): Add gimple_call member.
3748         (gimple_call_reset_alias_info): Declare.
3749         (gimple_call_use_set): New function.
3750         (gimple_call_clobber_set): Likewise.
3751         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3752         * gimple.c (gimple_call_reset_alias_info): New function.
3753         (gimple_build_call_1): Call it.
3754         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3755         * tree-inline.c (remap_gimple_stmt): Likewise.
3756         (expand_call_inline): Remove callused handling.
3757         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3758         * tree-dfa.c (dump_variable): Likewise.
3759         * tree-parloops.c (parallelize_loops): Likewise.
3760         * tree-ssa.c (init_tree_ssa): Likewise.
3761         (delete_tree_ssa): Likewise.
3762         * tree-flow-inline.h (is_call_used): Remove.
3763         * tree-flow.h (struct gimple_df): Remove callused member.
3764         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3765         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3766         (ref_maybe_used_by_call_p_1): Simplify.
3767         (call_may_clobber_ref_p_1): Likewise.
3768         * tree-ssa-structalias.c (compute_points_to_sets): Set
3769         the call stmt used and clobbered sets.
3770         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3771         (find_tail_calls): Verify the tail call.
3772
3773 2010-04-12  Richard Guenther  <rguenther@suse.de>
3774
3775         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3776         single-iteration always-inline inlining.
3777         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3778         (cgraph_decide_inlining): Do not handle always-inline specially.
3779         (try_inline): Remove always-inline cycle detection special case.
3780         Do not recurse on always-inlines.
3781         (cgraph_early_inlining): Do not iterate if not optimizing.
3782         (cgraph_gate_early_inlining): remove.
3783         (pass_early_inline): Run unconditionally.
3784         (gate_cgraph_decide_inlining): New function.
3785         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3786         not inlining or optimizing.
3787         (cgraph_decide_inlining_of_small_functions): Also consider
3788         always-inline functions.
3789         (cgraph_default_inline_p): Return true for nodes which should
3790         disregard inline limits.
3791         (estimate_function_body_sizes): Assume zero size and time for
3792         nodes which are marked as disregarding inline limits.
3793         (cgraph_decide_recursive_inlining): Do not perform recursive
3794         inlining on always-inline nodes.
3795
3796 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3797
3798         PR bootstrap/43699
3799         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3800         for exprs satisfying handled_component_p.
3801
3802 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3803
3804         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3805         non-constant aggregate elements.
3806
3807         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3808         is a real initialization.
3809
3810 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3811
3812         PR c/36774
3813         * c-decl.c (start_function): Move forward check for nested function.
3814
3815 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3816
3817         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3818         * config/sh/sh.c: Include reload.h.
3819         (sh_legitimize_reload_address): New.
3820         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3821         sh_legitimize_reload_address.
3822
3823 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3824
3825         * config/sh/sh.md (*movqi_pop): New insn pattern.
3826         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3827
3828 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3829
3830         * config/i386/i386.md (any_shiftrt): New code iterator.
3831         (shiftrt_insn): New code attribute.
3832         (shiftrt): Ditto.
3833         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3834         using any_shiftrt code iterator.
3835         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3836         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3837         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3838         pattern from corresponding peephole2 patterns.
3839         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3840         using any_shiftrt code iterator.
3841         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3842         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3843         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3844         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3845         *{ashr,lshr}<mode>3_cmp_zext.
3846         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3847
3848 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3849
3850         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3851         scratch register.
3852         (*lshr<mode>3_cconly): Ditto.
3853
3854 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3855
3856         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3857         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3858         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3859         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3860         DWI mode iterator.
3861         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3862         from corresponding peephole2 patterns.
3863         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3864         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3865         and *lshrdi3_1_rex64 using SWI mode iterator.
3866         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3867         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3868         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3869         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3870         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3871         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3872         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3873         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3874         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3875         SWI mode iterator.
3876
3877 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3878
3879         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3880         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3881         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3882         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3883         DWI mode iterator.
3884         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3885         from corresponding peephole2 patterns.
3886         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3887         (ashrsi3_cvt): Rename from ashrsi3_31.
3888         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3889         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3890         and x86_64_shift_adj_3 using SWI48 mode iterator.
3891         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3892         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3893         and *ashrdi3_1_rex64 using SWI mode iterator.
3894         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3895         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3896         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3897         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3898         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3899         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3900         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3901         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3902         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3903         SWI mode iterator.
3904         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3905         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3906         x86_shift<mode>_adj_3 expanders.
3907
3908 2010-04-10  Wei Guozhi  <carrot@google.com>
3909
3910         PR target/42601
3911         * config/arm/arm.c (arm_pic_static_addr): New function.
3912         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3913         a static symbol.
3914         (arm_output_addr_const_extra): Output expression for new pattern.
3915         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3916
3917 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3918
3919         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3920         not enabled.
3921
3922         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3923         * web.c: Include "insn-config.h" and "recog.h".
3924         (union_match_dups): New function.
3925         (web_main): Call it.
3926         (union_defs): Don't try to recognize match_dups.
3927
3928         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3929         if doing so would replace the entire pattern.
3930
3931 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3932
3933         PR target/43707
3934         PR target/43709
3935         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3936         and splitter pattern.  Change splitter operand 1 predicate to
3937         nonmemory_operand.
3938
3939 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3940
3941         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3942         lattices are addresses of CONST_DECLs with the same initial value.
3943         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3944         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3945
3946 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3947             Bernd Schmidt  <bernds@codesourcery.com>
3948
3949         * loop-invariant.c (replace_uses): New static function.
3950         (move_invariant_reg): Use it to ensure we can replace the uses.
3951
3952 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3953
3954         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3955         function template.
3956         (picochip_override_options): Enable section anchors only above -O1.
3957         (picochip_reorg): Fixed a couple of build warnings.
3958
3959 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3960
3961         * configure.ac (plugin -rdynamic test): Log result.
3962         * configure: Regenerate.
3963         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3964         (RDYNAMIC_SPEC): Define.
3965         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3966
3967 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3968
3969         * configure.ac: Determine Sun ld version numbers.
3970         (comdat_group): Restrict GNU ld version checks to gld.
3971         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3972         (enable_comdat): Support --enable-comdat.
3973         * configure: Regenerate.
3974         * doc/install.texi (Configuration): Document --enable-comdat.
3975
3976 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3977
3978         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3979         * config/sol2-gld.h: ... here.
3980         * config.gcc (sparc*-*-solaris2*): Reflect this.
3981         (i[34567]86-*-solaris2*): Use it.
3982
3983 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3984
3985         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3986         setup_clocks_p.
3987         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3988
3989 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3990
3991         PR 42965
3992         * diagnostic.c (diagnostic_initialize): Initialize
3993         some_warnings_are_errors.
3994         (diagnostic_finish): New.
3995         (diagnostic_action_after_output): Call it before exiting.
3996         (diagnostic_report_diagnostic): Do not print message here. Set
3997         some_warnings_are_errors.
3998         * diagnostic.h (diagnostic_context): Delete
3999         issue_warnings_are_errors_message. Add some_warnings_are_errors.
4000         (diagnostic_finish): Declare.
4001         * toplev.c (toplev_main): Call it before exit.
4002
4003 2010-04-09  Jason Merrill  <jason@redhat.com>
4004
4005         PR c++/42623
4006         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4007         for incomplete type.
4008
4009         PR c++/41788
4010         * stor-layout.c (finalize_record_size): Don't chan