OSDN Git Service

bd83bf81421113c0aefa8ea57d265ecaf1700c12
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
4
5 2010-05-14  Jason Merrill  <jason@redhat.com>
6
7         PR c++/44127
8         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
9         (gimple_call_set_nothrow): New.
10         * gimple.c (gimple_build_call_from_tree): Call it.
11         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
12
13         PR c++/44127
14         * gimplify.c (gimplify_seq_add_stmt): No longer static.
15         * gimple.h: Declare it.
16         * gimple.c (gimple_build_eh_filter): No ops.
17
18 2010-05-14  Jan Hubicka  <jh@suse.cz>
19
20         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
21         nodes already in queue.
22         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
23         re-enqueueing node.
24
25 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
26
27         PR debug/44136
28         * cfgexpand.c (expand_debug_expr): If non-memory op0
29         has BLKmode, return NULL.
30
31 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
32
33         * config.gcc: Add support for --with-cpu option for bdver1.
34         * config/i386/i386.h (TARGET_BDVER1): New macro.
35         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
36         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
37         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
38         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
39         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
40         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
41         (processor_type): Add PROCESSOR_BDVER1.
42         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
43         processor_type in config/i386/i386.h.
44         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
45         movaps <reg, reg> instead of movapd <reg, reg> when replacing
46         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
47         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
48         to emit packed xor instead of packed double/packed integer
49         xor for SSE and AVX when moving a zero value.
50         * config/i386/sse.md: Add check for
51         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
52         movapd/movdqa for SSE and AVX.
53         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
54         single logical operations i.e and, or and xor instead of packed double
55         logical operations for SSE and AVX.
56         * config/i386/i386-c.c: 
57         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
58         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
59         (has_fma4, has_xop): New.
60         * config/i386/i386.c (bdver1_cost): New variable.
61         (m_BDVER1): New macro.
62         (m_AMD_MULTIPLE): Add m_BDVER1.
63         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
64         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
65         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
66         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
67         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
68         x86_tune_sse_partial_reg_dependency,
69         x86_tune_sse_unaligned_load_optimal,
70         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
71         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
72         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
73         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
74         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
75         Enable/disable for bdver1.
76         (processor_target_table): Add bdver1_cost.
77         (cpu_names): Add bdver1.
78         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
79          processor_alias_table.
80         (ix86_expand_vector_move_misalign): Change.
81         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
82         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
83         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
84         of movupd/movdqu for SSE and AVX.
85         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
86         (ix86_tune_adjust_cost): Add code for bdver1.
87         (standard_sse_constant_opcode): Add check for
88         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
89         of packed double xor for SSE and AVX.
90
91 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
92
93         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
94         result to unsigned.
95
96 2010-05-14  Tristan Gingold  <gingold@adacore.com>
97
98         * toplev.c (default_debug_hooks): Remove this variable.
99         (process_options): Remove assignments to default_debug_hooks.
100
101 2010-05-14  Martin Jambor  <mjambor@suse.cz>
102
103         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
104         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
105         * langhooks.h (struct lang_hooks_for_decls): Removed field
106         fold_obj_type_ref.
107         * tree.c (free_lang_data): Remove assignment to
108         lang_hooks.fold_obj_type_ref.
109         * tree.def (OBJ_TYPE_REF): Update comment.
110
111 2010-05-14  Richard Guenther  <rguenther@suse.de>
112
113         PR tree-optimization/44124
114         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
115
116 2010-05-14  Alan Modra  <amodra@gmail.com>
117
118         PR target/44075
119         * config/rs6000/rs6000.c (struct machine_function): Reorder
120         fields for better packing.  Add lr_save_state.
121         (rs6000_ra_ever_killed): Return lr_save_state if set.
122         (rs6000_emit_eh_reg_restore): Set lr_save_state.
123
124 2010-05-13  Jan Hubicka  <jh@suse.cz>
125
126         * varpool.c (decide_is_variable_needed): Drop code checking
127         TREE_SYMBOL_REFERENCED.
128
129 2010-05-13  Jan Hubicka  <jh@suse.cz>
130
131         * final.c (output_addr_const): Do not call mark_decl_referenced.
132         * cgraphunit.c (process_function_and_variable_attributes): Use
133         mark_needed_node dirrectly.
134         (assemble_thunk): Do not call mark_decl_referenced.
135
136 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
137
138         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
139
140 2010-05-13  Jeff Law  <law@redhat.com>
141
142         * ira-conflicts.c (print_allocno_conflicts): New function broken out
143         from...
144         (print_conflicts): Call print_allocno_conflicts.
145
146 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
147
148         PR debug/44104
149         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
150         if it is NULL.
151
152 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
153
154         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
155         t-mingw-w64 or t-mingw-w32 for multilib configuration.
156         * config/i386/t-mingw-w32: New.
157         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
158         
159 2010-05-13  Martin Jambor  <mjambor@suse.cz>
160
161         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
162         gimple-fold.c).
163         * gimple-fold.c (get_base_binfo_for_type): New function.
164         (gimple_get_relevant_ref_binfo): Likewise.
165         (gimple_fold_obj_type_ref_known_binfo): Likewise.
166         (gimple_fold_obj_type_ref): Likewise.
167         (fold_gimple_call): Simplify condition for folding virtual calls
168         and call gimple_fold_obj_type_ref.
169         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
170         (gimple_fold_obj_type_ref_known_binfo): Likewise.
171
172 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
173
174         * config/rs6000/rs6000-protos.h
175         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
176         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
177         (rs6000_debug_mode_dependent_address)
178         (rs6000_mode_dependent_address_ptr): Likewise.
179
180 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
181
182         PR debug/43983
183         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
184         by SRA.
185         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
186         * tree-sra.c (create_access_replacement): Call unshare_expr before
187         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
188         it.
189         * dwarf2out.c: Include tree-flow.h.
190         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
191         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
192         Handle DW_OP_bit_piece.
193         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
194         construct_piece_list, adjust_piece_list): New functions.
195         (add_var_loc_to_decl): Handle SRA optimized variables.
196         Adjust for var_loc_note to loc field renaming.
197         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
198         in VAR_LOCATION note.
199         (new_loc_descr_op_bit_piece): New function.
200         (dw_sra_loc_expr): New function.
201         (dw_loc_list): Use it.  Don't handle the last range after the
202         loop, handle it inside of the loop.  Adjust for var_loc_note
203         to loc field renaming.
204         (add_location_or_const_value_attribute): Only special case
205         single entry loc lists if loc is NOTE_P.  Adjust for
206         var_loc_note to loc field renaming.
207         (dwarf2out_var_location): Don't set newloc->var_loc_note
208         and newloc->next here.
209
210 2010-05-12  Jan Hubicka  <jh@suse.cz>
211
212         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
213         flag.
214         * cgraph.h (cgraph_only_called_directly_p,
215         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
216         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
217         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
218         (assemble
219         * ipa.c (cgraph_remove_unreachable_nodes): Use
220         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
221         flags.
222         * tree-inline.c (copy_bb): Check address_taken flag.
223         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
224         externally_visible flag.
225
226 2010-05-12  Jason Merrill  <jason@redhat.com>
227
228         PR bootstrap/44048
229         PR target/44099
230         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
231         * sdbout.c (plain_type_1): Likewise.
232         * dwarf2out.c (is_base_type): Likewise.
233         (gen_type_die_with_usage): Likewise.  Generate
234         DW_TAG_unspecified_type for any LANG_TYPE.
235
236 2010-05-12  Jan Hubicka  <jh@suse.cz>
237
238         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
239         indrect edges too.
240         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
241         (cgraph_clone_edge): Update.
242         (cgraph_node_remove_callees): Remove indirect calls too.
243         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
244         (cgraph_create_indirect_edge): Update prototype.
245         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
246         is_proper_for_analysis.
247         (add_new_function, visited_nodes, function_insertion_hook_holder,
248         get_local_reference_vars_info, mark_address_taken, mark_address,
249         mark_load, mark_store, check_asm_memory_clobber, check_call,
250         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
251         (ipa_init): Do not initialize visited_nodes;
252         function_insertion_hook_holder.
253         (analyze_variable): Rewrite.
254         (analyze_function): Rewrite.
255         (copy_local_bitmap): Remove.
256         (duplicate_node_dat): Do not duplicate local info.
257         (generate_summary): Simplify to only walk cgraph.
258         (write_node_summary_p, ipa_reference_write_summary,
259         ipa_reference_read_summary): Remove.
260         (propagate): Do not remove function insertion;
261         generate summary.
262         (pass_ipa_reference): NULLify summary handling fields.
263         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
264         (input_edge): Input ecf_flags.
265         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
266         (update_indirect_edges_after_inlining): Ignore edges with unknown
267         param.
268
269 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
270
271         * implicit-zee.c: New file.
272         * tree-pass.h (pass_implicit_zee): Declare.
273         * passes.c (init_optimization_passes): Add zee pass.
274         * common.opt (fzee): New flag.
275         * timevar.def (TV_ZEE): Define.
276         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
277         and beyond.
278         * Makefile.in (implicit-zee.o): Add new build file.
279
280 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
281             Nathan Froyd  <froydnj@codesourcery.com>
282
283         * c-common.c (sync_resolve_params): Remove write-only variable.
284
285 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
286
287         * target.h (struct gcc_target): Add mode_dependent_address_p field.
288         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
289         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
290         * targhooks.c (default_mode_dependent_address_p): New function.
291         * targhooks.h (default_mode_dependent_address_p): Declare function.
292         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
293         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
294         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
295         target hook. Change return type to bool.
296         * recog.h: (mode_dependent_address_p): Change return type to bool.
297
298 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
299             Nathan Froyd  <froydnj@codesourcery.com>
300
301         * tree-mudflap.c (build_function_type_0, build_function_type_1,
302         build_function_type_2, build_function_type_3): Remove.
303         (mudflap_init): Use build_function_type_list.
304
305 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
306             Nathan Froyd  <froydnj@codesourcery.com>
307
308         * coverage.c (build_fn_info_value): Call build_constructor instead of
309         build_constructor_from_list.
310         (build_ctr_info_value): Likewise.
311         (build_gcov_info): Likewise.
312
313 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
314
315         * tree.c (build_constructor): Compute TREE_CONSTANT for the
316         resultant constructor.
317         (build_constructor_single): Don't set TREE_CONSTANT.
318         (build_constructor_from_list): Don't compute TREE_CONSTANT.
319
320 2010-05-12  Jan Hubicka  <jh@suse.cz>
321
322         * cgraph.h (struct varpool_node): Add aux.
323         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
324         * varpool.c (varpool_remove_node): Do not remove initializer.
325         (varpool_reset_queue): Export.
326         (varpool_finalize_decl): Volatile vars are forced to be output.
327         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
328         replaced decl.
329         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
330         process_references, varpool_can_remove_if_no_refs): New functions.
331         (cgraph_remove_unreachable_nodes): Handle variables too.
332
333 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
334
335         PR target/44088
336         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
337
338 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
339
340         PR middle-end/44085
341         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
342         change value of ORT_TASK.
343         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
344         (omp_notice_threadprivate_variable): New function.
345         (omp_notice_variable): Call it for threadprivate variables.
346         If enclosing ctx is a task, print enclosing task rather than
347         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
348         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
349         if task has untied clause.
350
351         PR debug/42278
352         * dwarf2out.c (base_type_die): Don't add name attribute here.
353         (modified_type_die): Instead of sizetype use
354         its underlying original type.  If a DW_TAG_base_type doesn't
355         have name added, add __unknown__.
356         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
357         always call force_type_die instead.
358
359 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
360
361         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
362         for __stack_chk_guard.
363
364 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
365
366         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
367         don't call start_source_file debug hook here...
368         (finish_options): ... but here, after outputting predefined and
369         command line defines and undefs.
370
371         PR middle-end/44071
372         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
373         no fallthru edge.
374         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
375         optimizing away empty bb with no successors, move over its
376         footer chain to fallthru predecessor.
377         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
378         (rtl_split_edge): For asm goto call patch_jump_insn even if
379         splitting fallthru edge.
380
381         PR c++/44059
382         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
383         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
384         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
385         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
386         on DW.ref.* decls.
387
388         PR c++/44062
389         * c-parser.c (c_parser_expression): Mark LHS of a comma
390         expression as read if it is a decl, handled component or
391         COMPOUND_EXPR with that on the RHS.
392         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
393         if it is a decl or handled component.
394
395 2010-05-11  Jan Hubicka  <jh@suse.cz>
396
397         * lto-symtab.c (lto_symtab_free): New function.
398         * lto-streamer.h (lto_symtab_free): Declare.
399
400 2010-05-11  Jan Hubicka  <jh@suse.cz>
401
402         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
403         that if function is needed it is reachable.
404         (lto_output_node): See if it the function is reachable or referenced.
405         (output_cgraph): Update call of lto_output_node.
406         * lto-streamer.h (reachable_from_other_partition_p): Declare.
407
408 2010-05-11  Jan Hubicka  <jh@suse.cz>
409
410         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
411         Mark as used.
412
413 2010-05-11  Jan Hubicka  <jh@suse.cz>
414
415         PR tree-optimize/44063
416         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
417         queue.
418         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
419         limits.
420         (estimate_function_body_sizes): Compute sizes even when disregarding.
421
422 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
423
424         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
425
426 2010-05-11  Jan Hubicka  <jh@suse.cz>
427
428         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
429         into every boundary.
430
431 2010-05-11  Jan Hubicka  <jh@suse.cz>
432
433         * matrix-reorg.c (matrix_reorg): Rebuild edges.
434
435 2010-05-11  Jan Hubicka  <jh@suse.cz>
436
437         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
438         lto_streamer_cache_delete): Put nodes into heap.
439         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
440         heap.
441
442 2010-05-11  Jan Hubicka  <jh@suse.cz>
443
444         * cgraphbuild.c (cgraph_rebuild_references): New.
445         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
446         out extern inlines.
447         * cgraph.h (cgraph_rebuild_references): Declare.
448         * tree-inline.c (tree_function_versioning): Use it.
449         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
450
451 2010-05-11  Jan Hubicka  <jh@suse.cz>
452
453         * cgraph.c: Include ipa-utils.h
454         (cgraph_create_virtual_clone): Update references.
455         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
456
457 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
458
459         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
460         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
461         cache size.
462
463 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
464
465         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
466
467 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
468
469         * gcc.c (execute): For -### don't quote arguments that
470         contain just alphanumerics and _/-. characters.
471         * doc/invoke.texi: Document that change for -###.
472
473         PR debug/44023
474         * df-problems.c (struct dead_debug): Add to_rescan field.
475         (dead_debug_init): Clear to_rescan field.
476         (dead_debug_finish): Rescan all debug insns in to_rescan
477         bitmap and free the bitmap.
478         (dead_debug_insert_before): Instead of rescanning debug insns
479         immediately queue their rescanning until dead_debug_finish.
480         (df_note_bb_compute): After dead_debug_add do continue instead
481         of break.
482
483 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
484
485         PR debug/44028
486         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
487         clear also INSN_REG_USE_LIST.
488
489 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
490
491         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
492
493 2010-05-10  Jan Hubicka  <jh@suse.cz>
494
495         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
496         commited change.
497
498 2010-05-10  Jan Hubicka  <jh@suse.cz>
499
500         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
501         Allocate encoders.
502         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
503         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
504         (lto_streamer_cache_create): Init alloc pool.
505         (lto_streamer_cache_delete): Free alloc pool.
506         * lto-streamer.h: Include alloc pool.
507         (lto_streamer_cache_d): Use alloc pool.
508         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
509
510 2010-05-10  Jan Hubicka  <jh@suse.cz>
511
512         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
513         * cgraphbuild.c: Include except.h
514         (record_type_list, record_eh_tables): New function.
515         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
516
517 2010-05-10  Jan Hubicka  <jh@suse.cz>
518
519         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
520         __frame_dummy_init_array_entry, force_to_data): Attribute as used
521         rather than unused.
522
523 2010-05-10  Michael Matz  <matz@suse.de>
524
525         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
526         (can_reassociate_p): Use FLOAT_TYPE_P.
527         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
528         (vect_force_simple_reduction): ... this.
529         * tree-parloops.c (gather_scalar_reductions): Use
530         vect_force_simple_reduction.
531         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
532         vect_is_simple_reduction, add modify argument, if true rewrite
533         "a-b" into "a+(-b)".
534         (vect_is_simple_reduction, vect_force_simple_reduction): New
535         functions.
536         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
537
538 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
539             Vladimir Makarov  <vmakarov@redhat.com>
540
541         PR rtl-optimization/44012
542         * ira-build.c (remove_unnecessary_allocnos): Nullify
543         regno_allocno_map of the removed allocno.
544
545 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
546
547         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
548         to /dev/null.
549         * configure: Regenerate.
550
551 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
552
553         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
554         unused.
555         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
556         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
557         support in Sun ld.
558         * configure: Regenerate.
559
560 2010-05-10  Richard Guenther  <rguenther@suse.de>
561
562         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
563         marked if the entry identifier is marked.
564
565 2010-05-10  Richard Guenther  <rguenther@suse.de>
566
567         * c-common.c (struct c_common_attributes): Add fnspec attribute.
568         (handle_fnspec_attribute): New function.
569         * gimple.h (gimple_call_return_flags): Declare.
570         (gimple_call_arg_flags): Likewise.
571         * gimple.c (gimple_call_arg_flags): New function.
572         (gimple_call_return_flags): Likewise.
573         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
574         New argument flags.
575         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
576         return value flags.
577         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
578         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
579         main work to ...
580         (make_heapvar_for): ... this new function.
581         (handle_rhs_call): Handle fnspec attribute argument specifiers.
582         (handle_lhs_call): Likewise.
583         (find_func_aliases): Adjust.
584
585 2010-05-10  Richard Guenther  <rguenther@suse.de>
586
587         PR tree-optimization/44050
588         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
589
590 2010-05-10  Wei Guozhi  <carrot@google.com>
591
592         PR target/42879
593         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
594
595 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
596
597         PR c/10676
598         * c-typeck.c (lookup_field): Take a type directly.  Update
599         recursive calls.
600         (build_component_ref): Update call to lookup_field.
601         (set_init_label): Use lookup_field to find initialized field.
602         Handle returned list of fields like a sequence of designators.
603
604 2010-05-09  Richard Guenther  <rguenther@suse.de>
605
606         PR middle-end/44024
607         * fold-const.c (tree_single_nonzero_warnv_p): Properly
608         handle &FUNCTION_DECL.
609
610 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
611
612         PR c/4784
613         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
614         structures and unions recursively.
615         (detect_field_duplicates): Move duplicate detection with a hash to
616         detect_field_duplicates_hash.  Always use a hash if anonymous
617         structures or unions are present.
618         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
619         give errors.
620
621 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
622
623         PR target/44046
624         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
625         detect Atom, Core 2 and Core i7.
626
627 2010-05-09  Richard Guenther  <rguenther@suse.de>
628
629         * gcc.c (store_arg): Handle temporary file deletion for
630         joined arguments.
631
632 2010-05-09  Richard Guenther  <rguenther@suse.de>
633
634         PR middle-end/44043
635         * ipa-inline.c (estimate_function_body_sizes): Return after
636         disregarding inline limits.
637
638 2010-05-09  Richard Guenther  <rguenther@suse.de>
639
640         * gcc.c (store_arg): Revert last change.
641
642 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
643
644         PR middle-end/28685
645         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
646         (optimize_ops_list): Call it.
647
648 2010-05-08  Richard Guenther  <rguenther@suse.de>
649
650         PR tree-optimization/44030
651         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
652         NECESSARY flag if we propagate from a inserted expression.
653
654 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
655
656         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
657         domain types as equal if they are both PLACEHOLDER_EXPRs.
658
659 2010-05-08  Richard Guenther  <rguenther@suse.de>
660
661         * lto-wrapper.c (run_gcc): Remove linker output from
662         command line for LTRANS invocation.
663
664 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
665
666         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
667         lto-macho as lto_binary_reader.
668         * target.h (struct gcc_target): New hooks lto_start and lto_end.
669         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
670         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
671         in lto_start and lto_end calls.
672         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
673         magic numbers.
674         (scan_prog_file): Update is_elf_or_coff call.
675         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
676
677         * collect2.c (main): Fix enum comparison.
678
679         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
680         Add prototypes.
681         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
682         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
683         and TARGET_ASM_LTO_END.
684         * darwin.c: Include obstack.h and lto-streamer.h.
685         (lto_section_names_offset, lto_section_names_obstack,
686         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
687         global variables.
688         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
689         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
690         to a temporary file.
691         (darwin_asm_lto_end): New function.  Restore asm_out_file.
692         (darwin_asm_named_section): For LTO sections, replace the name with
693         the offset of the section name in a string table, and build this
694         table.
695         (darwin_file_start): Initialize global vars for LTO support.
696         (darwin_file_end): If output to asm_out_file was redirected, append it
697         to the proper asm_out_file here.  Add the section names section.
698
699 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
700
701         * c-pragma.c (pending_weak_d, pending_weak): New.
702         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
703         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
704         handle_pragma_weak): Update the uses of pending_weaks.
705
706 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
707
708         PR documentation/44016
709         * doc/standards.texi (Standards): Link to unversioned
710         cxx0x_status.html page.
711
712 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
713
714         PR target/43708
715         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
716         in addition to TREE_USED, to avoid "set but unused" warnings.
717
718 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
719
720         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
721         (is_loop_prefetching_profitable): Do not insert prefetches
722         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
723         times the prefetch ahead distance.
724
725 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
726
727         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
728         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
729         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
730         the unroll_factor.
731
732 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
733
734         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
735         a diagnostic info when the insn-to-mem ratio is too small.
736
737 2010-05-07  Richard Guenther <rguenther@suse.de>
738
739         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
740         the linker plugin.
741         (store_arg): Queue temp_filename for deletion instead of
742         the whole argument.
743
744 2010-05-07  Richard Guenther  <rguenther@suse.de>
745
746         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
747         (run_gcc): Handle LTRANS phase invocation.
748         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
749
750 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
751
752         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
753         this is also meaningful on PARM_DECLs and RESULT_DECLs.
754
755 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
756
757         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
758
759 2010-05-07  Richard Guenther  <rguenther@suse.de>
760
761         PR tree-optimization/44020
762         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
763         code when PRE is not yet initialized.
764
765 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
766
767         * config/mips/dbxmdebug.h: Remove.
768         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
769
770 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
771
772         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
773         with null pointer and also warn about ordered comparison of zero with
774         pointer if -Wextra.
775
776 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
777
778         * graphite-blocking.c
779         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
780         * graphite-clast-to-gimple.c
781         (clast_to_gcc_expression): Same.
782         (precision_for_value): Same.
783         (precision_for_interval): Same.
784         (gcc_type_for_interval): Same.
785         (graphite_create_new_guard): Same.
786         (compute_bounds_for_level): Same.
787         (graphite_create_new_loop_guard): Same.
788         * graphite-interchange.c
789         (build_linearized_memory_access): Same.
790         (pdr_stride_in_loop): Same.
791         (memory_strides_in_loop_1): Same.
792         (memory_strides_in_loop): Same.
793         (extend_scattering): Same.
794         (psct_scattering_dim_for_loop_depth): Same.
795         (pbb_number_of_iterations): Same.
796         * graphite-poly.h
797         (debug_iteration_domains): Same.
798         * graphite-ppl.c
799         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
800         (ppl_set_inhomogeneous_gmp): Same.
801         (ppl_strip_loop): Same.
802         (ppl_lexico_compare_linear_expressions): Same.
803         (ppl_read_polyhedron_matrix): Same.
804         (ppl_max_for_le_pointset): Same.
805         * graphite-ppl.h
806         (ppl_read_polyhedron_matrix): Same.
807         (tree_int_to_gmp): Same.
808         (gmp_cst_to_tree): Same.
809         (ppl_set_inhomogeneous): Same.
810         (ppl_set_inhomogeneous_tree): Same.
811         (ppl_set_coef): Same.
812         (ppl_set_coef_tree): Same.
813         * graphite-sese-to-poly.c
814         (build_pbb_scattering_polyhedrons): Same.
815         (build_scop_scattering): Same.
816         (scan_tree_for_params_right_scev): Same.
817         (scan_tree_for_params): Same.
818         (find_params_in_bb): Same.
819         (find_scop_parameters): Same.
820         (add_upper_bounds_from_estimated_nit): Same.
821         (build_loop_iteration_domains): Same.
822         (add_condition_to_domain): Same.
823         (pdr_add_memory_accesses): Same.
824
825 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
826
827         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
828         CLooG's value_* macros to their respective mpz_* counterparts.
829         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
830         (graphite_create_new_loop_guard): Same.
831         * graphite-interchange.c (build_linearized_memory_access): Same.
832         (pdr_stride_in_loop): Same.
833         (memory_strides_in_loop_1): Same.
834         (1st_interchange_profitable_p): Same.
835         * graphite-poly.c (extend_scattering): Same.
836         (psct_scattering_dim_for_loop_depth): Same.
837         (pbb_number_of_iterations): Same.
838         (pbb_number_of_iterations_at_time): Same.
839         * graphite-poly.h (new_1st_loop): Same.
840         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
841         (oppose_constraint): Same.
842         (insert_constraint_into_matrix): Same.
843         (ppl_set_inhomogeneous_gmp): Same.
844         (ppl_set_coef_gmp): Same.
845         (ppl_strip_loop): Same.
846         (ppl_lexico_compare_linear_expressions): Same.
847         (ppl_max_for_le_pointset): Same.
848         (ppl_min_for_le_pointset): Same.
849         (ppl_build_realtion): Same.
850         * graphite-ppl.h (gmp_cst_to_tree): Same.
851         (ppl_set_inhomogeneous): Same.
852         (ppl_set_inhomogeneous_tree): Same.
853         (ppl_set_coef): Same.
854         (ppl_set_coef_tree): Same.
855         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
856         (build_scop_scattering): Same.
857         (add_value_to_dim): Same.
858         (scan_tree_for_params_right_scev): Same.
859         (scan_tree_for_params_int): Same.
860         (scan_tree_for_params): Same.
861         (find_params_in_bb): Same.
862         (find_scop_parameters): Same.
863         (add_upper_bounds_from_estimated_nit): Same.
864         (build_loop_iteration_domains): Same.
865         (create_linear_expr_from_tree): Same.
866         (add_condition_to_domain): Same.
867         (pdr_add_memory_accesses): Same.
868
869 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
870             Jason Merrill  <jason@redhat.com>
871
872         * c-common.c (c_common_reswords): Add nullptr.
873         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
874         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
875         (gen_type_die_with_usage): Likewise.
876         * dbxout.c (dbxout_type): Likewise.
877         * sdbout.c (plain_type_1): Likewise.
878
879 2010-05-06  Jason Merrill  <jason@redhat.com>
880
881         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
882         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
883         ret appropriately.
884         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
885
886         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
887         stripping WITH_SIZE_EXPR.
888         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
889         change.
890
891 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
892
893         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
894         list of obsolete configurations.
895         Disabled check for obsolete configurations.
896         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
897         Removed support for previous versions.
898         * config/mips/iris.h: Removed.
899         * config/mips/iris5.h: Removed.
900         * config/mips/iris6.h: Merged old iris.h contents.
901         (TARGET_IRIX): Removed.
902         (DRIVER_SELF_SPECS): Removed mabi=32.
903         (IDENT_ASM_OP): Removed undef.
904         (STARTFILE_SPEC): Removed mabi=32.
905         (ENDFILE_SPEC): Likewise.
906         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
907         (MACHINE_TYPE): Update for IRIX 6.5.
908         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
909         TARGET_IRIX by TARGET_IRIX6.
910         (mips_file_start): Likewise.
911         (mips_output_external): Remove IRIX 5/6 O32 support.
912         (mips_output_function_prologue): Likewise.
913         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
914         TARGET_IRIX6.
915         (TARGET_CPU_CPP_BUILTINS): Likewise.
916         (TARGET_IRIX): Removed.
917         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
918         (MULTILIB_DIRNAMES): Removed 32.
919         (MULTILIB_OSDIRNAMES): Removed ../lib.
920         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
921         (Specific, mips-sgi-irix5): Document removal.
922         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
923         Remove references to older IRIX 6 releases and the O32 ABI.
924
925 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
926
927         PR bootstrap/43994
928         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
929         instead of DF_REF_REAL_REG.
930
931 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
932
933         PR target/43888
934         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
935         handling to still return true for x64 targets.
936
937 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
938
939         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
940
941 2010-05-06  Jan Hubicka  <jh@suse.cz>
942
943         PR tree-optimization/43791
944         * ipa-inline.c (update_caller_keys): Remove bogus
945         disregard_inline_limits check.
946
947 2010-05-06  Michael Matz  <matz@suse.de>
948
949         PR tree-optimization/43984
950         * tree-ssa-pre.c (inserted_phi_names): Remove.
951         (inserted_exprs): Change to bitmap.
952         (create_expression_by_pieces): Set bits, don't append to vector.
953         (insert_into_preds_of_block): Don't handle inserted_phi_names.
954         (eliminate): Don't look at inserted_phi_names, remove deleted
955         insns from inserted_exprs.
956         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
957         (init_pre, fini_pre): Allocate and free bitmaps.
958         (execute_pre): Insert insns on edges before elimination.
959
960 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
961
962         * tree.c (initializer_zerop): Handle STRING_CST.
963
964 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
965
966         PR 40989
967         * doc/invoke.texi (Wimplicit): Document as C only.
968         * opts.c (common_handle_option): Add argument kind.
969         (handle_option): Rename as read_cmdline_option. Factor out code to...
970         (handle_option): ... here. New.
971         (handle_options): Rename as read_cmdline_options.
972         (decode_options): Update call.
973         (set_option): Use option index instead of option pointer. Classify
974         diagnostics correctly.
975         (enable_warning_as_error): Call handle_option.
976         * opts.h (set_option): Update declaration.
977         (handle_option): Declare.
978         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
979         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
980         * c-opts.c (set_Wimplicit): Delete.
981         (c_family_lang_mask): New static constant.
982         (c_common_handle_option): Add argument kind. Use handle_option
983         instead of set_Wimplicit.
984         (c_common_post_options): warn_implicit and warn_implicit_int
985         are disabled by default.
986         * c-common.c (warn_implicit): Do not define here.
987         * c-common.h (warn_implicit): Do not declare here.
988         (c_common_handle_option): Update declaration.
989         * lto-opts.c (lto_reissue_options): Update call to set_option.
990
991 2010-05-06  Richard Guenther  <rguenther@suse.de>
992
993         PR tree-optimization/43571
994         * domwalk.c (walk_dominator_tree): Walk the dominator
995         sons in more optimal order.
996
997 2010-05-06  Richard Guenther  <rguenther@suse.de>
998
999         PR tree-optimization/43934
1000         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1001         (stmt_cost): Likewise.
1002         (extract_true_false_args_from_phi): New helper.
1003         (determine_max_movement): For PHI nodes verify we can hoist them
1004         and compute their cost.
1005         (determine_invariantness_stmt): Handle PHI nodes.
1006         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1007         if-converted form using COND_EXPRs.
1008         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1009         (tree_ssa_lim): Likewise.
1010         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1011         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1012
1013 2010-05-06  Richard Guenther  <rguenther@suse.de>
1014
1015         PR tree-optimization/43987
1016         * tree-ssa-structalias.c (could_have_pointers): For possibly
1017         address-taken variables force pointers to be recorded.
1018         (create_variable_info_for_1): Likewise.
1019         (push_fields_onto_fieldstack): Pass in wheter all fields
1020         must have pointers.
1021         (find_func_aliases): Query types instead of vars whether
1022         they contain pointers where appropriate.
1023
1024 2010-05-06  Jan Hubicka  <jh@suse.cz>
1025
1026         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1027         (record_reference, mark_address, mark_load, mark_store): Record
1028         references.
1029         (record_references_in_initializer): Update call of record_references.
1030         (rebuild_cgraph_edges): Remove all references before rebuiding.
1031         * cgraph.c (cgraph_create_node): Clear ref list.
1032         (cgraph_remove_node): Remove references.
1033         (dump_cgraph_node): Dump references.
1034         (cgraph_clone_node): Clone references.
1035         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1036         (struct cgraph_node, varpool_node): Add ref_lst.
1037         * ipa-ref.c: New file.
1038         * ipa-ref.h: New file.
1039         * ipa-ref-inline.h: New file.
1040         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1041         (referenced_from_other_partition_p): New function.
1042         (lto_output_varpool_node): Take set arugment; call
1043         referenced_from_other_partition.
1044         (lto_output_ref): New.
1045         (add_references): New.
1046         (output_refs): New.
1047         (output_cgraph): Compute boundary based on references; output refs.
1048         (output_varpool): Accept cgraph_node_set argument.
1049         (input_ref): New.
1050         (input_refs): New.
1051         (input_cgraph): Call input_refs.
1052         * lto-section-in.c (lto_section_name): Add refs.
1053         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1054         (ipa-ref.o): New file.
1055         * varpool.c (varpool_node): Clear ipa ref list.
1056         (varpool_remove_node): Remove references.
1057         (dump_varpool_node): Dump references.
1058         (varpool_assemble_decl): Only compile finalized ones.
1059         (varpool_extra_name_alias): Initialize ref list.
1060         * lto-streamer.c (lto-get_section_name): Add .refs section.
1061         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1062         (referenced_from_other_partition_p): Declared.
1063
1064 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1065
1066         PR tree-optimization/43901
1067         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1068         type is not NULL if it's transformation phase, and return
1069         FALSE if it's analysis.
1070         (vectorizable_conversion, vectorizable_operation,
1071         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1072
1073 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1074
1075         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1076         Delete.
1077         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1078         New define.
1079         * config/mips/mips-protos.h
1080         (mips_small_register_classes_for_mode_p): Delete prototype.
1081
1082 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1083
1084         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1085         * config/arm/arm.c (multiple_operation_profitable_p,
1086         compute_offset_order): New static functions.
1087         (load_multiple_sequence, store_multiple_sequence): Use them.
1088         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1089         memory offsets, not register numbers.
1090         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1091
1092 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1093
1094         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1095         (get_pending_sizes, put_pending_size, put_pending_sizes):
1096         Update the uses of pending_sizes.
1097         * c-decl.c (store_parm_decls): Likewise.
1098         * c-tree.h (struct c_arg_info): Likewise.
1099         * tree.h: Update the prototype for get_pending_sizes and
1100         put_pending_sizes.
1101
1102 2010-05-05  Jason Merrill  <jason@redhat.com>
1103
1104         PR debug/43370
1105         * c-common.c (handle_aligned_attribute): Respect
1106         ATTR_FLAG_TYPE_IN_PLACE.
1107
1108         PR testsuite/43758
1109         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1110         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1111         (TARGET_INITIALIZER): Use it.
1112         * c-common.c (attribute_takes_identifier_p): Call it.
1113         * c-common.h: Update prototype.
1114         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1115         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1116
1117 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1118
1119         PR debug/43950
1120         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1121         DW_ID_down_case for Fortran compilation units.
1122
1123 2010-05-05  Jan Hubicka  <jh@suse.cz>
1124
1125         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1126         handle aliases.
1127
1128 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1129
1130         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1131         a variable-sized RESULT_DECL.
1132
1133 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1134
1135         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1136
1137 2010-05-05  Jason Merrill  <jason@redhat.com>
1138
1139         PR c++/43787
1140         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1141         returns GS_OK.
1142         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1143
1144 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1145             Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR debug/43478
1148         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1149         (dead_debug_init, dead_debug_finish): New functions.
1150         (dead_debug_add, dead_debug_insert_before): Likewise.
1151         (df_note_bb_compute): Initialize a dead_debug object, add dead
1152         debug uses to it, insert debug bind insns before death insns,
1153         reset debug insns that refer to pending uses at the end.
1154         * rtl.h (make_debug_expr_from_rtl): New prototype.
1155         * varasm.c (make_debug_expr_from_rtl): New function.
1156
1157 2010-05-05  Jan Hubicka  <jh@suse.cz>
1158
1159         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1160         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1161         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1162         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1163         lto_varpool_encoder_encode_initializer_p,
1164         lto_set_varpool_encoder_encode_initializer): New functions.
1165         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1166         call output_varpool.
1167         (input_varpool_node): Do not always set analyzed.
1168         (input_cgraph_1): Return vector of cgraph nodes.
1169         (input_varpool_1): Return vector of varpools.
1170         (input_cgraph): Free the vectors.
1171         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1172         output only initializers needed.
1173         (lto_output): Only call output_cgraph.
1174         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1175         * lto-section-out.c (lto_new_out_decl_state): Initialize
1176         state->varpool_node_encoder.
1177         * lto-streamer.h (lto_varpool_encoder_d): New.
1178         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1179         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1180         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1181         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1182         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1183         Declare.
1184         (output_varpool, input_varpool): Remove declarations.
1185
1186 2010-05-05  Jan Hubicka  <jh@suse.cz>
1187
1188         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1189         with body can prevail.
1190
1191 2010-05-05  Jan Hubicka  <jh@suse.cz>
1192
1193         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1194         size.
1195
1196 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1197
1198         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1199
1200         * gengtype.h (erro_at_line): Constify pos argument.
1201
1202         * gengtype.c: Include hashtab.h.
1203         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1204         (error_at_line): Constify pos argument.
1205         (do_typedef): Initialize p->opt field.
1206         (get_file_gtfilename): Fix comment typo.
1207         (struct walk_type_data): Constify line field.
1208         (get_output_file_for_structure): New function.
1209         (write_local_func_for_structure): Constify orig_s argument.
1210         Use get_output_file_for_structure.
1211         (write_func_for_structure): Use get_output_file_for_structure.
1212         (INDENT): New define.
1213         (dump_pair, dump_type, dump_type_list, dump_typekind)
1214         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1215         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1216         functions.
1217         (seen_types): New variable.
1218         (main): New variable do_dump.  Process "-d" command line option.
1219         Call dump_everything if dump requested.
1220
1221 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1222
1223         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1224         in a temporary instead of invoking the macro multiple times.
1225         (track_expr_p): Likewise.
1226
1227 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1228
1229         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1230         per new semantics.
1231         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1232         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1233         conditions for printing notes.
1234         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1235         true, update documentation.
1236         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1237
1238 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1239
1240         PR c/43981
1241         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1242         on dimen.
1243
1244 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1245
1246         PR target/43799
1247         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1248         (*sse_prologue_save_insn1): Likewise.
1249         (SSE prologue save splitter): Likewise.
1250
1251 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1252
1253         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1254         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1255         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1256         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1257         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1258         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1259         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1260
1261 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1262
1263         * tree-sra.c (build_access_from_expr_1): The first parameter type
1264         changed to simple tree.
1265         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1266         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1267         renamed as well.
1268         (build_accesses_from_assign): Removed all parameters except for a
1269         simple gimple statement.  Now returns a simple bool.
1270         (scan_function): All non-analysis parts moved to separate functions
1271         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1272         parameters and updated both callers.
1273         (sra_modify_expr): Removed parameter data.
1274         (sra_modify_function_body): New function.
1275         (perform_intra_sra): Call sra_modify_function_body to modify the
1276         function body.
1277         (replace_removed_params_ssa_names): Parameter data changed into
1278         adjustments vector.
1279         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1280         changed the parameter dont_convert to convert with the opposite
1281         meaning.
1282         (sra_ipa_modify_assign): Parameter data changed into adjustments
1283         vector, return value changed to bool.
1284         (ipa_sra_modify_function_body): New function.
1285         (sra_ipa_reset_debug_stmts): Updated a comment.
1286         (modify_function): Use ipa_sra_modify_function_body to modify function
1287         body.
1288
1289 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1290
1291         PR middle-end/43671
1292         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1293         (canon_true_dependence): Likewise.
1294         (write_dependence_p): Likewise.
1295
1296 2010-05-04  Jan Hubicka  <jh@suse.cz>
1297
1298         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1299         * cgraphbuild.c: Include ipa-utils.h
1300         (record_reference_ctx): New struct.
1301         (record_reference): Simplify to work on initializers; not statements.
1302         (mark_address, mark_load, mark_store): New.
1303         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1304         walk PHI nodes too.
1305         (record_references_in_initializer): Update use of record_reference.
1306         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1307         walk PHI nodes too.
1308
1309 2010-05-04  Jan Hubicka  <jh@suse.cz>
1310
1311         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1312         node will be removed anyway.
1313         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1314         relink aliases of node into prevailing node.
1315         * varpool.c (varpool_remove_node): Remove aliases properly;
1316         when removing node, remove all its aliases too; remove DECL_INITIAL
1317         of removed node; ggc_free the varpool node.
1318
1319 2010-05-04  Richard Guenther  <rguenther@suse.de>
1320
1321         PR tree-optimization/43879
1322         * tree-ssa-structalias.c (alias_get_name): Use
1323         DECL_ASSEMBLER_NAME if available.
1324         (create_function_info_for): Return the varinfo node.
1325         (ipa_pta_execute): Associate same-body aliases and extra names
1326         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1327
1328 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1329
1330         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1331
1332 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1333
1334         PR bootstrap/43964
1335         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1336         only if HONOR_REG_ALLOC_ORDER is not defined.
1337
1338 2010-05-04  Richard Guenther  <rguenther@suse.de>
1339
1340         PR tree-optimization/43949
1341         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1342         TRUNC_MOD_EXPR.
1343
1344 2010-04-26  Jason Merrill  <jason@redhat.com>
1345
1346         * c.opt (-fstrict-enums): New.
1347         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1348
1349 2010-05-03  David Ung <davidu@mips.com>
1350             James E. Wilson  <wilson@codesourcery.com>
1351
1352         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1353         emit the trap instruction before the divide for TUNE_74K.
1354
1355 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1356
1357         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1358         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1359         based on the above, for new target hook.
1360
1361         * hooks.c (hook_bool_mode_true): New generic hook.
1362         * hooks.h (hook_bool_mode_true): Add prototype.
1363
1364         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1365         target hook.
1366         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1367         target hook, set to hook_bool_mode_false.
1368         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1369         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1370         with targetm.small_register_classes_for_mode_p.
1371         (find_reusable_reload): Likewise.
1372         (combine_reloads): Likewise.
1373         * reload1.c (reload_as_needed): Likewise.
1374         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1375         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1376         dead_or_predicable): Likewise.
1377         * regmove.c (optimize_reg_copy_1): Likewise.
1378         * calls.c (prepare_call_address): Likewise.
1379         (precompute_register_parameters): Likewise.
1380
1381         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1382         hook definition.
1383         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1384         implementation of the hook that considers all register classes
1385         small except for SH64.
1386         (sh_override_options): Use the new hook.
1387         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1388         Add prototype.
1389
1390         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1391         hook definition.
1392         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1393         implementation of the hook that considers all register classes
1394         small for THUMB1.
1395         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1396         Add prototype.
1397
1398         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1399         hook definition.
1400         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1401         implementation of the hook that considers all register classes
1402         small for MIPS16.
1403         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1404         Add prototype.
1405
1406         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1407         hook definition.
1408         * config/m32c/m32c.h: Likewise.
1409         * config/pdp11/pdp11.h: Likewise.
1410         * config/avr/avr.h: Likewise.
1411         * config/xtensa/xtensa.h: Likewise.
1412         * config/m68hc11/m68hc11.h: Likewise.
1413         * config/mn10300/mn10300.h: Likewise.
1414         * config/mcore/mcore.h: Likewise.
1415         * config/h8300/h8300.h: Likewise.
1416         * config/bfin/bfin.h: Likewise.
1417
1418         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1419         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1420
1421 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1422
1423         * double-int.h (tree_to_double_int): Remove macro.
1424         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1425         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1426         (tree_to_double_int): New function.
1427         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1428         Move ...
1429         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1430
1431 2010-05-03  Richard Guenther  <rguenther@suse.de>
1432
1433         PR tree-optimization/43971
1434         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1435         constraints in the !flag_delete_null_pointer_checks case.
1436
1437 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1438
1439         PR debug/43972
1440         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1441         result mode matches original rtl mode.
1442
1443 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1444
1445         PR target/43888
1446         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1447
1448 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1449
1450         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1451         when processing flag options.
1452
1453 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1454
1455         * gcov-iov.c (main): Change format string placeholder
1456         from %#08x to 0x%08x.
1457         * genchecksum.c (dosum): Change format string placeholder
1458         from %#02x to 0x%02x.
1459
1460 2010-05-02  Richard Guenther  <rguenther@suse.de>
1461
1462         PR tree-optimization/43879
1463         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1464
1465 2010-05-02  Bruno Haible  <bruno@clisp.org>
1466
1467         * doc/extend.texi (Function Attributes): Fix a typo.
1468
1469 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1470
1471         Revert:
1472         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1473         placeholder from 0x%x to %#x.
1474         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1475         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1476         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1477         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1478         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1479         * config/i386/i386.c (ix86_target_string): Ditto.
1480         * config/i386/i386.c (output_pic_addr_const): Ditto.
1481         (print_operand): Ditto.
1482
1483 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1484
1485         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1486         placeholder from 0x%x to %#x.
1487         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1488         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1489         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1490         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1491         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1492         * optc-gen.awk: Ditto.
1493         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1494         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1495         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1496         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1497
1498 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1499
1500         * target.h (struct calls): Add function_value_regno_p field.
1501         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1502         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1503         * targhooks.c (default_function_value_regno_p): New function.
1504         * targhooks.h (default_function_value_regno_p): Declare function.
1505         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1506         * builtins.c. (apply_result_size): (Ditto.).
1507         * combine.c. (likely_spilled_retval_p): (Ditto.).
1508         * mode-switching.c. Include 'target.h'.
1509         (create_pre_exit): Use function_value_regno_p hook.
1510         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1511         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1512         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1513
1514         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1515         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1516         (ix86_function_value_regno_p): Declare as static, change argument
1517         type to const unsigned int.
1518         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1519
1520 2010-05-01  Richard Guenther  <rguenther@suse.de>
1521
1522         PR tree-optimization/43949
1523         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1524         types.
1525         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1526
1527 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1528
1529         * rtl.h (CONST_DOUBLE_P): Define.
1530         (rtx_to_double_int): Declare.
1531         * emit-rtl.c (rtx_to_double_int): New function.
1532         * dwarf2out.c (insert_double): New function.
1533         (loc_descriptor, add_const_value_attribute): Clean up, use
1534         rtx_to_double_int and insert_double functions.
1535
1536 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1537
1538         * doc/extend.texi (Inline): Add missing return keyword to examples.
1539         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1540         "command-line".
1541
1542 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1543
1544         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1545         the variable part of the offset as well.  Use highest_pow2_factor for
1546         all alignment checks.
1547
1548 2010-04-30  Richard Guenther  <rguenther@suse.de>
1549
1550         PR tree-optimization/43879
1551         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1552         can have pointers.
1553
1554 2010-04-30  Jan Hubicka  <jh@suse.cz>
1555
1556         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1557         varpool.
1558         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1559
1560 2010-04-30  Jan Hubicka  <jh@suse.cz>
1561
1562         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1563         New.
1564         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1565         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1566         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1567         cgraph_node_set_needs_ltrans_p): Remove.
1568
1569 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1570
1571         * sdbout.c: Include vec.h, do not include varray.h.
1572         (deferred_global_decls, sdbout_global_decl,
1573         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1574         * toplev.c: Do not include varray.h.
1575         (dump_memory_report): Do not dump VARRAY statistics.
1576         * gengtype.c (open_base_file): Ignore varray.h.
1577         * Makefile.in: Update for abovementioned changes.
1578         Remove all traces of varray.c and varray.h.
1579         * varray.c: Remove file.
1580         * varray.h: Remove file.
1581
1582 2010-04-30  Jan Hubicka  <jh@suse.cz>
1583
1584         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1585         references.
1586
1587 2010-04-30  Jan Hubicka  <jh@suse.cz>
1588
1589         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1590         needed.
1591
1592 2010-04-30  Richard Guenther  <rguenther@suse.de>
1593
1594         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1595         constraints for CONSTRUCTOR.
1596
1597 2010-04-30  Richard Guenther  <rguenther@suse.de>
1598
1599         PR lto/43946
1600         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1601         first after all lowering passes.
1602
1603 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1604
1605         * toplev.c: Include varray.h for statistics dumping.
1606         * tree.h: Do not declare varray_head_tag.
1607         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1608         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1609         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1610         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1611         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1612         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1613         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1614         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1615         include varray.h.
1616         * Makefile.in: Update for abovementioned changes.
1617
1618 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1619
1620         PR debug/43942
1621         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1622
1623 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1624
1625         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1626         Use this function to do machine-specific conversion.
1627         (picochip_legitimize_reload_address): Likewise.
1628         (picochip_legitimate_address_p): Check valid base register only if
1629         strict.
1630         (picochip_check_conditional_copy): Check for modw only if opnd is
1631         register.
1632         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1633         to call the function in c.
1634         * config/picochip/picochip-protos.h
1635         (picochip_legitimize_reload_address): Define.
1636         * config/picochip/picochip.md (supported_compare1): Define.
1637
1638 2010-04-30  Jan Hubicka  <jh@suse.cz>
1639
1640         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1641         (cgraph_global_info): Remove inlined.
1642         (LTO_cgraph_tag_names): Remove.
1643         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1644         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1645         simplify cgraph tags and document.
1646         (lto_output_node): Use only LTO_cgraph_unavail_node and
1647         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1648         for_functions_valid, global info, process and output flags.
1649         (input_overwrite_node): Initialize estimated stack size and
1650         estimated growth.  Do not read flags we no longer store.
1651         (input_node): Likewise do not read info no longer stored.
1652         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1653         flag.
1654
1655 2010-04-30  Richard Guenther  <rguenther@suse.de>
1656
1657         PR tree-optimization/43879
1658         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1659         handle non-zero initializers.
1660
1661 2010-04-30  Richard Guenther  <rguenther@suse.de>
1662
1663         * builtins.c (fold_builtin_1): Delete free (0).
1664
1665 2010-04-29  Jan Hubicka  <jh@suse.cz>
1666
1667         * gengtype.c (open_base_files): Add lto-streamer.h
1668         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1669         (pass_ipa_cp): GGC collect.
1670         * toplev. (compile_file): Do not output symbols.
1671         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1672         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1673         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1674         * lto-section-in.c: Include ggc.h
1675         (lto_new_in_decl_state): Alloc in GGC.
1676         (lto_delete_in_decl_state): Likewise.
1677         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1678         Collect.
1679
1680 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1681
1682         PR target/42895
1683         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1684         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1685         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1686         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1687         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1688         account only if HONOR_REG_ALLOC_ORDER is not defined.
1689         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1690         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1691
1692 2010-04-29  Jon Grant  <04@jguk.org>
1693
1694         * collect2.c (vflag): Change type from int to bool.
1695         (debug): Likewise.
1696         (helpflag): New global bool.
1697         (main): Set vflag and debug with boolean, not integer truth values.
1698         Accept new "--help" option and output usage text if found.
1699         * collect2.h (vflag): Update prototype.
1700         (debug): Likewise.
1701
1702 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1703
1704         PR bootstrap/43936
1705         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1706
1707 2010-04-29  Richard Guenther  <rguenther@suse.de>
1708
1709         PR bootstrap/43935
1710         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1711         with ATTRIBUTE_UNUSED.
1712
1713 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1714
1715         PR target/43921
1716         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1717         INSN_P with NONDEBUG_INSN_P.
1718         (distance_non_agu_define): Likewise.
1719         (distance_agu_use): Likewise.
1720
1721 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1722
1723         From Dominique d'Humieres <dominiq@lps.ens.fr>
1724         PR bootstrap/43858
1725         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1726         test_set.
1727
1728 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1729
1730         * plugin.h (invoke_plugin_callbacks): New inline function.
1731         * plugin.c (flag_plugin_added): New global flag.
1732         (add_new_plugin): Initialize above flag.
1733         (invoke_plugin_callbacks): Rename to ...
1734         (invoke_plugin_callbacks_full): ... this.
1735
1736 2010-04-28  Jan Hubicka  <jh@suse.cz>
1737
1738         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1739         (lto_varpool_replace_node): New.
1740         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1741         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1742         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1743         * cgraph.h (varpool_node_ptr): New type.
1744         (varpool_node_ptr): New vector.
1745         (varpool_node_set_def): New structure.
1746         (varpool_node_set): New type.
1747         (varpool_node_set): New vector.
1748         (varpool_node_set_element_def): New structure.
1749         (varpool_node_set_element, const_varpool_node_set_element): New types.
1750         (varpool_node_set_iterator): New type.
1751         (varpool_node): Add prev pointers, add used_from_other_partition,
1752         in_other_partition.
1753         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1754         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1755         varpool_get_node, varpool_remove_node): Declare.
1756         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1757         varpool_node_set_size): New inlines.
1758         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1759         * tree-pass.h (varpool_node_set_def): Forward declare.
1760         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1761         (ipa_write_optimization_summaries): Update prototype.
1762         * ipa-cp.c (ipcp_write_summary): Update.
1763         * ipa-reference.c (ipa_reference_write_summary): Update.
1764         * lto-cgraph.c (lto_output_varpool_node): New static function.
1765         (output_varpool): New function.
1766         (input_varpool_node): New static function.
1767         (input_varpool_1): New function.
1768         (input_cgraph): Input varpool.
1769         * ipa-pure-const.c (pure_const_write_summary): Update.
1770         * lto-streamer-out.c (lto_output): Update, output varpool too.
1771         (write_global_stream): Kill WPA hack.
1772         (produce_asm_for_decls): Update.
1773         (output_alias_pair_p): Handle variables.
1774         (output_unreferenced_globals): Output only needed partition of varpool.
1775         * ipa-inline.c (inline_write_summary): Update.
1776         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1777         cgraph.
1778         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1779         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1780         varpool_node_set_new, varpool_node_set_add,
1781         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1782         debug_varpool_node_set): New functions.
1783         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1784         (execute_one_pass): Process new decls too.
1785         (ipa_write_summaries_2): Pass around vsets.
1786         (ipa_write_summaries_1): Likewise.
1787         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1788         to add.
1789         (ipa_write_optimization_summaries_1): Pass around vsets.
1790         (ipa_write_optimization_summaries): Likewise.
1791         * varpool.c (varpool_get_node): New.
1792         (varpool_node): Update doubly linked lists.
1793         (varpool_remove_node): New.
1794         (dump_varpool_node): More dumping.
1795         (varpool_enqueue_needed_node): Update doubly linked lists.
1796         (decide_is_variable_needed): Kill ltrans hack.
1797         (varpool_finalize_decl): Kill lto hack.
1798         (varpool_assemble_decl): Skip decls in other partitions.
1799         (varpool_assemble_pending_decls): Update doubly linkes lists.
1800         (varpool_empty_needed_queue): Likewise.
1801         (varpool_extra_name_alias): Likewise.
1802         * lto-streamer.c (lto_get_section_name): Add vars section.
1803         * lto-streamer.h (lto_section_type): Update.
1804         (output_varpool, input_varpool): Declare.
1805
1806 2010-04-28  Mike Stump  <mikestump@comcast.net>
1807
1808         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1809
1810 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1811
1812         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1813         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1814         (lto_input_ts_type_tree_pointers): Likewise.
1815         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1816         (lto_output_ts_type_tree_pointers): Likewise.
1817
1818 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1819
1820         Uniquization of constants at the Tree level
1821         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1822         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1823         bit to the end.
1824         (tree_output_constant_def): Declare.
1825         * gimplify.c (gimplify_init_constructor): When using block copy, first
1826         uniquize the constant constructor on the RHS.
1827         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1828         DECL_IN_CONSTANT_POOL flag.
1829         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1830         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1831         constant pool.
1832         (assemble_variable): Deal with symbols belonging to the tree constant
1833         pool.
1834         (get_constant_section): Add ALIGN parameter and simplify.
1835         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1836         (assemble_constant_contents): Use the expression of the VAR_DECL.
1837         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1838         (tree_output_constant_def): New global function.
1839         (mark_constant): Use the expression of the VAR_DECL.
1840         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1841         its expression.
1842         (output_object_block): Likewise and assemble the expression.
1843
1844 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1845
1846         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1847         hash_tree, eq_tree): New tree hash table.
1848         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1849         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1850         lto_orig_address_remove): Reimplement.
1851
1852 2010-04-28  Xinliang David Li  <davidxl@google.com>
1853
1854         PR c/42643
1855         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1856         (compute_uninit_opnds_pos): New function.
1857         (is_non_loop_exit_postdominating): New function.
1858         (compute_control_dep_chain): New function.
1859         (find_pdom): New function.
1860         (convert_control_dep_chain_into_preds): New function.
1861         (find_predicates): New function.
1862         (find_control_equiv_block): New function.
1863         (collect_phi_def_edges): New function.
1864         (find_def_preds): New function.
1865         (find_dom): New function.
1866         (dump_predicates): New function.
1867         (get_cmp_code): New function.
1868         (is_value_included_in): New function.
1869         (find_matching_predicate_in_rest_chains): New function.
1870         (use_pred_not_overlap_with_undef_path_pred): New function.
1871         (is_use_properly_guarded): New function.
1872         (normalize_cond_1): New function.
1873         (is_and_or_or): New function.
1874         (normalize_cond): New function.
1875         (is_gcond_subset_of): New function.
1876         (is_subset_of_any): New function.
1877         (is_or_set_subset_of): New function.
1878         (is_and_set_subset_of): New function.
1879         (is_norm_cond_subset_of): New function.
1880         (is_pred_expr_subset_of): New function.
1881         (is_pred_chain_subset_of): New function.
1882         (is_included_in): New function.
1883         (is_superset_of): New function.
1884         (find_uninit_use): New function.
1885         (warn_uninitialized_phi): New function.
1886         (compute_possibly_undefined_names): New function.
1887         (ssa_undefined_value_p): New function.
1888         (execute_late_warn_uninitialized): New function.
1889         * tree-ssa.c (ssa_undefined_value_p): Removed.
1890         (warn_uninit): Changed to extern.
1891         (warn_uninitialized_phi): Removed.
1892         (warn_uninitialized_vars): Changed to extern.
1893         (execute_late_warn_uninitialized): Removed
1894         * tree-flow.h: Add new prototypes.
1895         * timevar.def: Add new time variable.
1896         * Makefile.in: Add new build file.
1897
1898 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1899
1900         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1901         type if available.
1902
1903 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1904
1905         PR target/22224
1906         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1907
1908 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1909
1910         * cgraph.h (struct cgraph_node): New field indirect_calls.
1911         (struct cgraph_indirect_call_info): New type.
1912         (struct cgraph_edge): Removed field indirect_call. New fields
1913         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1914         (cgraph_create_indirect_edge): Declare.
1915         (cgraph_make_edge_direct): Likewise.
1916         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1917         * ipa-prop.h (struct ipa_param_call_note): Removed.
1918         (struct ipa_node_params): Removed field param_calls.
1919         (ipa_create_all_structures_for_iinln): Declare.
1920         * cgraph.c: Described indirect edges and uids in initial comment.
1921         (cgraph_add_edge_to_call_site_hash): New function.
1922         (cgraph_edge): Search also among the indirect edges, use
1923         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1924         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1925         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1926         site hash.
1927         (initialize_inline_failed): Assign a reason to indirect edges.
1928         (cgraph_create_edge_1): New function.
1929         (cgraph_create_edge): Moved some functionality to
1930         cgraph_create_edge_1.
1931         (cgraph_create_indirect_edge): New function.
1932         (cgraph_edge_remove_callee): Add an assert checking for
1933         non-indirectness.
1934         (cgraph_edge_remove_caller): Special-case indirect edges.
1935         (cgraph_remove_edge): Likewise.
1936         (cgraph_set_edge_callee): New function.
1937         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1938         (cgraph_make_edge_direct): New function.
1939         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1940         the declaration of the call statement matches.
1941         (cgraph_node_remove_callees): Special-case indirect edges.
1942         (cgraph_clone_edge): Likewise.
1943         (cgraph_clone_node): Clone also the indirect edges.
1944         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1945         indirect_call, dump count of indirect_calls edges.
1946         * ipa-prop.c (iinlining_processed_edges): New variable.
1947         (ipa_note_param_call): Create indirect edges instead of
1948         creating notes.  New parameter node.
1949         (ipa_analyze_call_uses): New parameter node, pass it on to
1950         ipa_note_param_call.
1951         (ipa_analyze_stmt_uses): Likewise.
1952         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1953         (print_edge_addition_message): Work on edges rather than on notes.
1954         (update_call_notes_after_inlining): Likewise, renamed to
1955         update_indirect_edges_after_inlining.
1956         (ipa_create_all_structures_for_iinln): New function.
1957         (ipa_free_node_params_substructures): Do not free notes.
1958         (ipa_edge_duplication_hook): Propagate bits within
1959         iinlining_processed_edges bitmap.
1960         (ipa_node_duplication_hook): Do not duplicate notes.
1961         (free_all_ipa_structures_after_ipa_cp): Renamed to
1962         ipa_free_all_structures_after_ipa_cp.
1963         (free_all_ipa_structures_after_iinln): Renamed to
1964         ipa_free_all_structures_after_iinln.
1965         (ipa_write_param_call_note): Removed.
1966         (ipa_read_param_call_note): Removed.
1967         (ipa_write_indirect_edge_info): New function.
1968         (ipa_read_indirect_edge_info): Likewise.
1969         (ipa_write_node_info): Do not stream notes, do stream information
1970         in indirect edges.
1971         (ipa_read_node_info): Likewise.
1972         (lto_ipa_fixup_call_notes): Removed.
1973         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1974         * ipa-inline.c (pass_ipa_inline): Likewise.
1975         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1976         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1977         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1978         is_gimple_call.
1979         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1980         edges.
1981         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1982         (output_cgraph): Stream also indirect edges.
1983         (lto_output_edge): Added capability to stream indirect edges.
1984         (input_edge): Likewise.
1985         (input_cgraph_1): Likewise.
1986         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1987         of indirect edges.
1988
1989 2010-04-28  Richard Guenther  <rguenther@suse.de>
1990
1991         PR tree-optimization/43879
1992         PR tree-optimization/43909
1993         * tree-ssa-structalias.c (struct variable_info): Add
1994         only_restrict_pointers flag.
1995         (new_var_info): Initialize it.  Increment stats.total_vars here.
1996         (create_function_info_for): Do not increment stats.total_vars here.
1997         (get_function_part_constraint): Fix build with C++.
1998         (insert_into_field_list): Remove.
1999         (push_fields_onto_fieldstack): Properly merge fields.
2000         (create_variable_info_for): Split and simplify.
2001         (create_variable_info_for_1): New piece.
2002         (intra_create_variable_infos): Properly make restrict constraints
2003         from parameters.
2004
2005 2010-04-28  Richard Guenther  <rguenther@suse.de>
2006
2007         PR c++/43880
2008         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2009
2010 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2011             Jan Hubicka <hubicka@ucw.cz>
2012
2013         * doc/invoke.texi (-Wsuggest-attribute=const,
2014         -Wsuggest-attribute=pure): Document.
2015         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2016         (function_always_visible_to_compiler_p,
2017         suggest_attribute, warn_function_pure, warn_function_const):
2018         New functions.
2019         (check_call): Improve debug info.
2020         (analyze_function): Do not check availability.
2021         (add_new_function): Check availability.
2022         (propagate): Output warnings.
2023         (skip_function_for_local_pure_const): New function.
2024         (local_pure_const): Use it; output warnings.
2025         * common.opt (Wsuggest-attribute=const,
2026         Wsuggest-attribute=pure): New.
2027
2028 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2029
2030         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2031         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2032         or DW_CFA_def_cfa_offset{,_sf}.
2033
2034 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2035
2036         * tree.h: Fix truncated long macros.
2037
2038 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2039
2040         * collect2.c (TARGET_64BIT): Redefine to target's default.
2041         * tlink.c: Likewise.
2042         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2043         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2044         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2045         for underscoring __USER_LABEL_PREFIX__.
2046         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2047         (SUB_LINK_ENTRY32): New.
2048         (SUB_LINK_ENTRY64): New.
2049         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2050         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2051         (SUB_LINK_ENTRY64): New.
2052         (SUB_LINK_ENTRY): New.
2053         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2054         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2055         x64 target is choosen.
2056         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2057         * configure: Regenerated.
2058         * configure.ac (leading-mingw64-underscores): Option added.
2059
2060 2010-04-27  Jan Hubicka  <jh@suse.cz>
2061
2062         * doc/invoke.texi (-fipa-profile): Document.
2063         * opts.c (decode_options): Enable ipa-profile at -O1.
2064         * timevar.def (TV_IPA_PROFILE): Define.
2065         * common.opt (fipa-profile): Add.
2066         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2067         flag for clones.
2068         (cgraph_propagate_frequency): Handle only local ones.
2069         * tree-pass.h (pass_ipa_profile): Declare.
2070         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2071         (pass_ipa_profile): Use TV_IPA_PROFILE.
2072         * ipa.c (ipa_profile): New function.
2073         (gate_ipa_profile): Likewise.
2074         (pass_ipa_profile): New global variable.
2075         * passes.c (pass_ipa_profile): New.
2076
2077 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2078
2079         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2080
2081 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2082
2083         PR middle-end/43812
2084         * ipa.c (dissolve_same_comdat_group_list): New function.
2085         (function_and_variable_visibility): Call
2086         dissolve_same_comdat_group_list when comdat group contains external or
2087         newly local nodes.
2088         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2089         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2090
2091 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2092
2093         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2094         (const_hash_1) <VECTOR_CST>: New case.
2095         (compare_constant) <VECTOR_CST>: Likewise.
2096         <ADDR_EXPR>: Deal with LABEL_REFs.
2097         (copy_constant) <VECTOR_CST>: New case.
2098
2099 2010-04-27  Jan Hubicka  <jh@suse.cz>
2100
2101         * cgraph.c (cgraph_propagate_frequency): New function.
2102         * cgraph.h (cgraph_propagate_frequency): Declare.
2103         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2104         cgraph_propagate_frequency.
2105
2106 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2107
2108         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2109
2110 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2111
2112         PR target/40657
2113         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2114         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2115         here to determine which regs to push and how much stack to reserve.
2116
2117 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2118
2119         * doc/gimple.texi (gimple_statement_with_ops): Remove
2120         addresses_taken field.
2121         (gimple_statement_with_memory_ops): Likewise.
2122
2123 2010-04-27  Jan Hubicka  <jh@suse.cz>
2124
2125         * tree-inline.c (eni_inlining_weights): Remove.
2126         (estimate_num_insns): Special case more builtins.
2127
2128 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2129
2130         PR c/32207
2131         * c-typeck.c (build_binary_op): Move forward check for comparison
2132         pointer with null pointer constant and adjust the diagnostic message.
2133
2134 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2135
2136         PR lto/42776
2137         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2138         binutils supports extended .section directive needed by LTO, or
2139         warn if older binutils found.
2140         (LTO_BINARY_READER): New AC_SUBST'd variable.
2141         (LTO_USE_LIBELF): Likewise.
2142         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2143         variable.
2144         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2145         (LTO_USE_LIBELF): Likewise.
2146         * configure: Regenerate.
2147
2148         * collect2.c (is_elf): Rename from this ...
2149         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2150          object files in addition to ELF-formatted ones.
2151         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2152         symbol to be prefixed or not by an extra underscore.
2153
2154         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2155         * config/i386/winnt.c: Also #include lto-streamer.h
2156         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2157         LTO named sections.
2158         (i386_pe_asm_output_aligned_decl_common): Add comment.
2159         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2160
2161 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2162
2163         PR target/43889
2164         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2165         Add missing earlyclobber for second alternative.
2166
2167 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2168
2169         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2170         bits for artificial defs at the top of the block.
2171         * fwprop.c (single_def_use_enter_block): Don't call it.
2172
2173 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2174
2175         PR 43715
2176         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2177         instead of "$gcc_cv_objdump -T".
2178         Use "-undefined dynamic_lookup" on darwin.
2179         * gcc/configure: Regenerate.
2180
2181 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2182
2183         PR c/43893
2184         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2185
2186 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2187
2188         * c-parser.c (struct c_token): Move location field up.
2189         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2190         (struct c_declspecs): Convert typespec_word, storage_class, and
2191         default_int_p into bitfields.
2192         (struct c_declarator): Move loc field up.
2193
2194 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2195
2196         * cfgloop.h (struct loop): Move can_be_parallel field up.
2197         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2198         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2199         down.
2200         (struct iv_cand): Convert pos field into a bitfield.
2201         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2202         field up.
2203         (struct _stmt_vec_info): Shuffle fields for better packing.
2204
2205 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2206
2207         * varasm.c (IN_NAMED_SECTION): Remove guard.
2208         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2209         (IN_NAMED_SECTION_P): ...this.
2210         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2211         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2212
2213 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2214
2215         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2216         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2217         of shadowing it.  Fix comments.
2218
2219 2010-04-26  Jan Hubicka  <jh@suse.cz>
2220
2221         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2222         (cgraph_clone_node): Copy function frequency.
2223         * cgraph.h (node_frequency): New enum
2224         (struct cgraph_node): Add.
2225         * final.c (rest_of_clean_state): Update.
2226         * lto-cgraph.c (lto_output_node): Output node frequency.
2227         (input_overwrite_node): Input node frequency.
2228         * tre-ssa-loop-ivopts (computation_cost): Update.
2229         * lto-streamer-out.c (output_function): Do not output function
2230         frequency.
2231         * predict.c (maybe_hot_frequency_p): Update and handle functions
2232         executed once.
2233         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2234         attribute lookup.
2235         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2236         (compute_function_frequency): Set noreturn functions to be executed
2237         once.
2238         (choose_function_section): Update.
2239         * lto-streamer-in.c (input_function): Do not input function frequency.
2240         * function.c (allocate_struct_function): Do not initialize function
2241         frequency.
2242         * function.h (function_frequency): Remove.
2243         (struct function): Remove function frequency.
2244         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2245         (try_update): Update.
2246         * tree-inline.c (initialize_cfun): Do not update function frequency.
2247         * passes.c (pass_init_dump_file): Update.
2248         * i386.c (ix86_compute_frame_layout): Update.
2249         (ix86_pad_returns): Update.
2250
2251 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2252
2253         PR tree-optimization/43833
2254         * tree-vrp.c (range_int_cst_p): New.
2255         (range_int_cst_singleton_p): New.
2256         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2257         when both operands are constants.  Use range_int_cst_p in
2258         BIT_IOR_EXPR case.
2259
2260 2010-04-26  Jan Hubicka  <jh@suse.cz>
2261
2262         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2263
2264 2010-04-26  Richard Guenther  <rguenther@suse.de>
2265
2266         PR lto/43080
2267         * gimple.c (gimple_decl_printable_name): Deal gracefully
2268         with a NULL DECL_NAME.
2269
2270 2010-04-26  Richard Guenther  <rguenther@suse.de>
2271
2272         PR lto/42425
2273         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2274         if emitting debug information and it is either a function
2275         or a namespace decl.
2276
2277 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2278
2279         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2280         determine if the statement is vectorizable, and a macro to access it.
2281         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2282         Skip statements that can't be vectorized. If the analysis fails,
2283         mark the statement as unvectorizable if vectorizing basic block.
2284         (vect_compute_data_refs_alignment): Likewise.
2285         (vect_verify_datarefs_alignment): Skip statements marked as
2286         unvectorizable. Add print.
2287         (vect_analyze_group_access): Skip statements that can't be
2288         vectorized. If the analysis fails, mark the statement as
2289         unvectorizable if vectorizing basic block.
2290         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2291         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2292         generated stmts for SLP.
2293         (new_stmt_vec_info): Initialize the new field.
2294         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2295         statements marked as unvectorizable.
2296
2297 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2298
2299         * c-common.c (flag_isoc1x): New.
2300         (flag_isoc99): Update comment.
2301         * c-common.h (flag_isoc1x): New.
2302         (flag_isoc99): Update comment.
2303         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2304         __<type>_DECIMAL_DIG__.
2305         * c-opts.c (set_std_c1x): New.
2306         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2307         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2308         * c.opt (-std=c1x, -std=gnu1x): New options.
2309         * doc/cpp.texi: Mention -std=c1x.
2310         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2311         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2312         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2313         * doc/standards.texi: Mention C1X.
2314         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2315         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2316         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2317         Define for C1X.
2318
2319 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2320
2321         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2322         placeholder from 0x%x to %#x.
2323         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2324         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2325         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2326         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2327         * config/i386/i386.c (ix86_target_string): Ditto.
2328         (output_pic_addr_const): Ditto.
2329         (print_operand): Ditto.
2330
2331 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2332
2333         * combine.c (find_split_point): Add third argument.  Use it
2334         to find nested multiply-accumulate instructions.  Adjust calls.
2335         (try_combine): Adjust call to find_split_point.
2336
2337 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2338
2339         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2340
2341 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2342
2343         PR tree-optimization/41442
2344         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2345         (fold_binary_loc): Call it.
2346
2347 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2348
2349         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2350         * opts.c (common_handle_option): Allow disabling it.
2351         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2352
2353 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2354
2355         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2356         between modes if both types are integral.
2357
2358 2010-04-23  Richard Guenther  <rguenther@suse.de>
2359
2360         PR tree-optimization/43572
2361         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2362
2363 2010-04-23  Richard Guenther  <rguenther@suse.de>
2364
2365         PR lto/43455
2366         * tree-inline.c (tree_can_inline_p): Also check compatibility
2367         of return types.
2368
2369 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2370
2371         PR tree-optimization/43846
2372         * tree-sra.c (struct access): New flag grp_assignment_read.
2373         (build_accesses_from_assign): Set grp_assignment_read.
2374         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2375         (enum mark_read_status): New type.
2376         (analyze_access_subtree): Propagate grp_assignment_read, create
2377         accesses also if both direct_read and root->grp_assignment_read.
2378
2379 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2380
2381         PR middle-end/43835
2382         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2383         function does not have type attributes.
2384
2385 2010-04-23  Richard Guenther  <rguenther@suse.de>
2386
2387         PR lto/42653
2388         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2389         of FUNCTION_DECLs.
2390
2391 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2392
2393         * sese.h (create_if_region_on_edge): Remove.
2394
2395         * sese.c (create_if_region_on_edge): Make static.
2396
2397         * tree-inline.c: Do not include ggc.h.
2398
2399         * expr.c: Do not include ggc.h.
2400
2401         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2402         dependencies.
2403
2404 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2405
2406         PR target/43744
2407         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2408         in the middle of insns for casesi_worker_2.
2409
2410 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2411
2412         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2413
2414 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2415
2416         PR tree-optimization/43842
2417         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2418         loop unrolling in update of exit phis. Fix comment.
2419         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2420         least two reduction statements in the loop before starting SLP
2421         analysis.
2422
2423 2010-04-22  Nick Clifton  <nickc@redhat.com>
2424
2425         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2426
2427 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2428
2429         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2430         to simplify a + ~a.
2431
2432 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2433
2434         * tree-parloops.c (loop_parallel_p): New argument
2435         parloop_obstack.  Pass it down.
2436         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2437         pass it down, free it.
2438
2439         * tree-loop-linear.c (linear_transform_loops): Pass down
2440         lambda_obstack.
2441
2442         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2443         of type struct obstack *.
2444
2445         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2446         scratch_obstack.  Initialize it, pass down, free it.
2447
2448         * lambda.h (lambda_loop_new): Remove.
2449         (lambda_matrix_new, lambda_matrix_inverse)
2450         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2451         argument of type struct obstack *.
2452
2453         * lambda-trans.c (lambda_trans_matrix_new): New argument
2454         lambda_obstack.  Pass it down, use obstack allocation for ret.
2455         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2456         it down.
2457
2458         * lambda-mat.c (lambda_matrix_get_column)
2459         (lambda_matrix_project_to_null): Remove.
2460         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2461         allocation for mat.
2462         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2463         lambda_obstack.
2464
2465         * lambda-code.c (lambda_loop_new): New function.
2466         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2467         (lambda_compute_auxillary_space, lambda_compute_target_space)
2468         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2469         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2470         (build_access_matrix): New argument lambda_obstack.  Use obstack
2471         allocation for am.
2472         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2473         argument lambda_obstack.  Pass it down.
2474
2475 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2476
2477         * optabs.h (expand_widening_mult): Declare.
2478
2479 2010-04-22  Richard Guenther  <rguenther@suse.de>
2480
2481         PR tree-optimization/43845
2482         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2483         lookup the CALL_EXPR function and arguments.
2484
2485 2010-04-22  Nick Clifton  <nickc@redhat.com>
2486
2487         * config/stormy16/stormy16.c
2488         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2489         * config/stormy16/stormy16.h: Tidy up formatting.
2490         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2491         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2492         (ineqbranchsi): Delete pattern.
2493         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2494         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2495         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2496         stormy16-lib2-ucmpsi2.c.
2497
2498 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2499
2500         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2501         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2502         extra set merge_set_noclobber, and use it to relax the final test
2503         slightly.
2504         * df.h (df_simulate_find_noclobber_defs): Declare.
2505         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2506         conditional defs.
2507         (df_simulate_find_noclobber_defs): New function.
2508
2509 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2510
2511         * config/i386/i386.md: Use {} around multi-line preparation statements.
2512
2513 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2514
2515         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2516         (process_init_element): New argument of type struct obstack *.
2517
2518         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2519         (set_init_index, set_init_label, set_nonincremental_init)
2520         (set_nonincremental_init_from_string, find_init_member)
2521         (output_init_element, output_pending_init_elements)
2522         (process_init_element): New argument braced_init_obstack.  Pass it
2523         down.
2524         (push_range_stack, add_pending_init): New argument
2525         braced_init_obstack.  Use obstack allocation.
2526
2527         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2528         braced_init_obstack.  Pass it down.
2529         (c_parser_braced_init): New variables ret, braced_init_obstack.
2530         Initialize obstack, pass it down and finally free it.
2531
2532 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2533
2534         PR middle-end/29274
2535         * tree-pass.h (pass_optimize_widening_mul): Declare.
2536         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2537         gate_optimize_widening_mul): New static functions.
2538         (pass_optimize_widening_mul): New.
2539         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2540         <case MULT_EXPR>: Remove support for widening multiplies.
2541         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2542         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2543         simplify_gen_unary rather than directly building extensions.
2544         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2545         WIDEN_MULT_EXPR.
2546         * expmed.c (expand_widening_mult): New function.
2547         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2548
2549 2010-04-21  Jan Hubicka  <jh@suse.cz>
2550
2551         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2552         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2553         * lto-wpa-fixup.c: Remove.
2554         * Makefile.in (lto-wpa-fixup.o): Remove.
2555         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2556         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2557         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2558
2559 2010-04-21  Jan Hubicka  <jh@suse.cz>
2560
2561         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2562         add write_optimization_summary, read_optimization_summary.
2563         (ipa_write_summaries_of_cgraph_node_set): Remove.
2564         (ipa_write_optimization_summaries): Declare.
2565         (ipa_read_optimization_summaries): Declare.
2566         * ipa-cp.c (pass_ipa_cp): Update.
2567         * ipa-reference.c (pass_ipa_reference): Update.
2568         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2569         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2570         Update.
2571         * ipa-inline.c (pass_ipa_inline): Update.
2572         * ipa.c (pass_ipa_whole_program): Update.
2573         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2574         * passes.c (ipa_write_summaries_1): Do not test wpa.
2575         (ipa_write_optimization_summaries_1): New.
2576         (ipa_write_optimization_summaries): New.
2577         (ipa_read_summaries): Do not test ltrans.
2578         (ipa_read_optimization_summaries_1): New.
2579         (ipa_read_optimization_summaries): New.
2580
2581 2010-04-21  Jan Hubicka  <jh@suse.cz>
2582
2583         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2584         for boundary nodes.
2585         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2586
2587 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2588
2589         PR debug/40040
2590         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2591         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2592
2593 2010-04-21  Jan Hubicka  <jh@suse.cz>
2594
2595         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2596
2597 2010-04-21  Jan Hubicka  <jh@suse.cz>
2598
2599         * varpool.c (decide_is_variable_needed): Variable is always needed
2600         during ltrans.
2601
2602 2010-04-21  Jan Hubicka  <jh@suse.cz>
2603
2604         * opts.c (decode_options): Enable pure-const pass for whopr.
2605
2606 2010-04-21  Jan Hubicka  <jh@suse.cz>
2607
2608         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2609         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2610         at WPA dumping.
2611         (cgraph_decide_inlining): Do not expect callee to be removed in all
2612         cases.
2613
2614 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2615
2616         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2617
2618 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2619
2620         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2621         amdfam10_decode attributes.
2622
2623 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR middle-end/43570
2626         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2627         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2628         (lower_copyprivate_clauses): Use private var in outer
2629         context instead of original var.  Make sure the types
2630         are correct for VLAs.
2631
2632 2010-04-21  Richard Guenther  <rguenther@suse.de>
2633
2634         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2635         to non-pointer objects.
2636
2637 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2638
2639         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2640         last chain entry if it starts with the still current label.
2641         (add_location_or_const_value_attribute): Check that
2642         loc_list->first->next is NULL instead of comparing ->first with ->last.
2643         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2644         to add_var_loc_to_decl.
2645
2646         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2647         >= 4 add also address size and segment size fields into CIE header.
2648
2649         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2650         long as address size is the same as sizeof (void *) and
2651         segment size is 0.
2652         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2653         address size or segment size is unexpected, return DW_EH_PE_omit.
2654         (classify_object_over_fdes): If get_cie_encoding returned
2655         DW_EH_PE_omit, return -1.
2656         (init_object): If classify_object_over_fdes returned -1,
2657         pretend there were no FDEs at all.
2658
2659 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2660
2661         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2662         bswap{si,di}2 using SWI48 mode iterator.
2663         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2664         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2665         set modrm attribute of bswap insn to 0 and remove length attribute.
2666         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2667         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2668         set mode attribute to <MODE> and remove length attribute.
2669
2670 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2671
2672         PR rtl-optimization/43520
2673         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2674         zero available registers.
2675
2676 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2677
2678         * builtins.c (fold_builtin_cproj): Fold more cases.
2679
2680 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2681
2682         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2683         (fold_builtin_1): Fold builtin cproj.
2684         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2685         Use ATTR_CONST_NOTHROW_LIST.
2686
2687 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2688
2689         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2690         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2691         ffsi2_no_cmove for !TARGET_CMOVE.
2692         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2693         (ffssi2): Remove expander.
2694         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2695         mode iterator.
2696         (ctz<mode>2): Ditto from ctz{si,di}2.
2697         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2698         mode iterator.
2699         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2700         mode iterator.
2701
2702 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2703
2704         * dwarf2out.c (AT_linkage_name): Define.
2705         (clone_as_declaration): Handle DW_AT_linkage_name.
2706         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2707         of DW_AT_MIPS_linkage_name.
2708         (move_linkage_attr): Likewise.
2709         (dwarf2out_finish): Likewise.
2710
2711 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2712
2713         PR middle-end/41952
2714         * fold-const.c (fold_comparison): New folding rule.
2715
2716 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2717
2718         * double-int.h (double_int_setbit): Declare.
2719         * double-int.c (double_int_setbit): New function.
2720         * rtl.h (immed_double_int_const): Declare.
2721         * emit-rtl.c (immed_double_int_const): New function.
2722         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2723         and immed_double_int_const functions.
2724         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2725         expand_copysign_bit):  (Ditto.).
2726         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2727         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2728         * dojump.c (prefer_and_bit_test): (Ditto.).
2729         * expr.c (convert_modes, reduce_to_bit_field_precision,
2730         const_vector_from_tree): (Ditto.).
2731         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2732
2733 2010-04-20  Jan Hubicka  <jh@suse.cz>
2734
2735         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2736         (dump_cgraph_node): Dump new flags.
2737         * cgraph.h (struct cgraph_node): Add flags
2738         reachable_from_other_partition and in_other_partition.
2739         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2740         other partition can not be removed.
2741         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2742         the other partition must be output; silence sanity checking on
2743         leaking functions bodies from other paritition.
2744         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2745         (lto_output_node): Output new flags; do not sanity check that inline
2746         clones are output; drop lto_forced_extern_inline_p code; do not mock
2747         visibility flags at partition boundaries.
2748         (add_node_to): New function.
2749         (output_cgraph): Use it to sort functions so masters appear before
2750         clones.
2751         (input_overwrite_node): Input new flags.
2752         * passes.c (ipa_write_summaries): Do not call
2753         lto_new_extern_inline_states.
2754         * lto-section-out.c (forced_extern_inline,
2755         lto_new_extern_inline_states lto_delete_extern_inline_states,
2756         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2757         * lto-streamer.h (lto_new_extern_inline_states,
2758         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2759         lto_forced_extern_inline_p): Kill.
2760
2761 2010-04-20  Richard Guenther  <rguenther@suse.de>
2762
2763         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2764         from vars that can have pointers.
2765         (process_constraint): Dump useless constraints.
2766
2767 2010-04-20  Richard Guenther  <rguenther@suse.de>
2768
2769         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2770         (dump_sa_points_to_info): Remove asserts.
2771         (init_base_vars): nothing_id isn't an escape point nor does it
2772         have pointers.
2773
2774 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2775
2776         * tree.h (TYPE_REF_IS_RVALUE): Define.
2777         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2778         should_move_die_to_comdat, prune_unused_types_walk): Handle
2779         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2780         (modified_type_die, gen_reference_type_die): Emit
2781         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2782         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2783
2784 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2785
2786         PR target/43635
2787         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2788         calls for -fpic -m31 if they have been sibcall optimized.
2789
2790 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2791
2792         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2793         ar.lc fixed and call-used.
2794
2795         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2796
2797 2010-04-19  Jan Hubicka  <jh@suse.cz>
2798
2799         * opts.c (decode_options): Disable whpr incompatible passes.
2800         * lto/lto.c (lto_1_to_1_map): Skip clones.
2801         (read_cgraph_and_symbols): Do not mark everything as needed.
2802         (do_whole_program_analysis): Do map only after optimizing;
2803         set proper cgraph_state; use passmanager.
2804
2805 2010-04-19  DJ Delorie  <dj@redhat.com>
2806
2807         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2808         POINTER_PLUS_EXPR and fix them.
2809
2810 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2811
2812         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2813         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2814         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2815         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2816         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2817         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2818         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2819         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2820         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2821         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2822         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2823
2824 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2827         (check_cond_move_block): Likewise.
2828         (cond_move_process_if_block): Likewise.
2829         (noce_find_if_block): Improve formatting.
2830         (find_if_header): Pass 0 to memset and tweak conditions.
2831         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2832
2833 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2834
2835         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2836         for -gdwarf-4.
2837
2838         PR middle-end/43337
2839         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2840         with non-local decl doesn't need chain.
2841
2842 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2843
2844         * ira-color.c (allocno_reload_assign): Avoid accumulating
2845         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2846
2847 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2848
2849         * gimple.h (create_tmp_reg): Declare.
2850         * gimplify.c (create_tmp_reg): New function.
2851         (gimplify_return_expr): Use create_tmp_reg.
2852         (gimplify_omp_atomic): Likewise.
2853         (gimple_regimplify_operands): Likewise.
2854         * tree-dfa.c (make_rename_temp): Likewise.
2855         * tree-predcom.c (predcom_tmp_var): Likewise.
2856         (reassociate_to_the_same_stmt): Likewise.
2857         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2858         (get_replaced_param_substitute): Likewise.
2859         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2860         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2861         * tree-ssa-pre.c (get_representative_for): Likewise.
2862         (create_expression_by_pieces): Likewise.
2863         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2864         (create_tailcall_accumulator): Likewise.
2865
2866 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2867
2868         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2869         new_stmt.
2870         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2871
2872 2010-04-19  Richard Guenther  <rguenther@suse.de>
2873
2874         PR tree-optimization/43796
2875         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2876         from SCEV in the lattice.
2877         (vrp_visit_phi_node): Dump change.
2878
2879 2010-04-19  Richard Guenther  <rguenther@suse.de>
2880
2881         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2882         * configure: Re-generated.
2883
2884 2010-04-19  Richard Guenther  <rguenther@suse.de>
2885
2886         PR tree-optimization/43783
2887         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2888         constant ARRAY_REF operands two and three if possible.
2889
2890 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2891
2892         PR target/43766
2893         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2894
2895 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2896
2897         PR target/43662
2898         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2899
2900 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2901
2902         PR tree-optimization/37027
2903         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2904         and macro to access it.
2905         (vectorizable_reduction): Add argument.
2906         (vect_get_slp_defs): Likewise.
2907         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2908         statements for possible use in SLP.
2909         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2910         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2911         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2912         add new argument.
2913         (vectorizable_reduction): Likewise.
2914         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2915         vect_get_slp_defs.
2916         (vectorizable_type_demotion, vectorizable_type_promotion,
2917         vectorizable_store): Likewise.
2918         (vect_analyze_stmt): Update call to vectorizable_reduction.
2919         (vect_transform_stmt): Likewise.
2920         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2921         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2922         from different interleaving chains in same node.
2923         (vect_slp_rearrange_stmts): New function.
2924         (vect_supported_load_permutation_p): Allow load permutations for
2925         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2926         inside SLP nodes if necessary.
2927         (vect_analyze_slp_instance): Handle reductions.
2928         (vect_analyze_slp): Try to build SLP instances originating from groups
2929         of reductions.
2930         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2931         (vect_get_constant_vectors): Create initial vectors for reductions
2932         according to reduction code. Add new argument.
2933         (vect_get_slp_defs): Add new argument, pass it to
2934         vect_get_constant_vectors.
2935         (vect_schedule_slp_instance): Remove SLP tree root statements.
2936
2937 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2938
2939         * tree.h (ENUM_IS_SCOPED): Define.
2940         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2941         for ENUM_IS_SCOPED enums.
2942
2943 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2944
2945         * fold-const.c (fold_comparison): Use ssizetype.
2946         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2947         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2948         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2949         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2950
2951         * tree.h (initialize_sizetypes): Remove parameter.
2952         (build_common_tree_nodes): Remove second parameter.
2953         * stor-layout.c (initialize_sizetypes): Remove parameter.
2954         Always create an unsigned type.
2955         (set_sizetype): Assert that the passed type is unsigned and simplify.
2956         * tree.c (build_common_tree_nodes): Remove second parameter.
2957         Adjust call to initialize_sizetypes.
2958         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2959         build_common_tree_nodes.
2960
2961 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2962
2963         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2964
2965 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2966
2967         PR tree-optimization/43771
2968         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2969         load permutation doesn't have gaps.
2970
2971 2010-04-18  Jan Hubicka  <jh@suse.cz>
2972
2973         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2974         (sse_prologue_save_insn expander): Use new pattern.
2975         (sse_prologue_save_insn1): New pattern and splitter.
2976         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2977         blocks.
2978         * i386.c (setup_incoming_varargs_64): Do not compute jump
2979         destination here.
2980         (ix86_gimplify_va_arg): Update alignment needed.
2981         (ix86_local_alignment): Do not align all local arrays to 128bit.
2982
2983 2010-04-17  Jan Hubicka  <jh@suse.cz>
2984
2985         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2986
2987 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2988
2989         * arm.md (negdi2): Remove redundant code to force values into a
2990         register.
2991
2992 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2993
2994         * arm/bpabi.S: Add EABI alignment attributes to objects.
2995         * arm/bpabi-v6m.S: Likewise.
2996         * arm/crti.asm: Likewise.
2997         * arm/crtn.asm: Likewise.
2998         * arm/lib1funcs.asm: Likewise.
2999         * arm/libunwind.S: Likewise.
3000
3001 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3002
3003         * arm-protos.h (tune_params): New structure.
3004         * arm.c (current_tune): New variable.
3005         (arm_constant_limit): Delete.
3006         (struct processors): Add pointer to the tune parameters.
3007         (arm_slowmul_tune): New tuning option.
3008         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3009         (all_cores): Adjust to pick up the tuning model.
3010         (arm_constant_limit): New function.
3011         (arm_override_options): Select the appropriate tuning model.  Delete
3012         initialization of arm_const_limit.
3013         (arm_split_constant): Use the new constant-limit model.
3014         (arm_rtx_costs): Pick up the current tuning model.
3015         * arm.md (is_strongarm, is_xscale): Delete.
3016         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3017         for Xscale variant architectures.
3018         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3019
3020 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3021
3022         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3023         can_shift.
3024         (arm_rtx_costs_1): Remove unused variable extra_cost.
3025         (arm_unwind_emit_set): Use variable offset.
3026         (thumb1_output_casesi): Remove unused variable flags.
3027
3028 2010-04-16  Jeff Law  <law@redhat.com>
3029
3030         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3031         needing assignment rather than doing a two-phase assignment.  Remove
3032         unused variable 'm'.
3033
3034 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3035
3036         PR bootstrap/43767
3037         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3038
3039 2010-04-16  Doug Kwan  <dougkwan@google.com>
3040
3041         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3042         (next_operand_entry_id): New static variable.
3043         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3044         (add_to_ops_vec): Assigned unique ID to operand entry.
3045         (struct oecount_s): New field ID.
3046         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3047         (undistribute_ops_list): Assign unique IDs to oecounts.
3048         (init_reassoc): reset next_operand_entry_id.
3049
3050 2010-04-16  Doug Kwan  <dougkwan@google.com>
3051
3052         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3053         missing left parenthesis.
3054
3055 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3056
3057         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3058         *btdi_rex64 using SWI48 mode iterator.
3059         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3060         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3061         *jcc_btdi_mask_rex64.
3062
3063 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3064
3065         * double-int.h (tree_to_double_int): Convert to macro.
3066         * double-int.c (tree_to_double_int): Remove.
3067
3068 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR debug/43762
3071         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3072         with want_address 2 and in case a single element list might be
3073         possible, call it again with want_address 0.
3074
3075 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3076
3077         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3078         case 'W' print operands for HI mode.
3079         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3080         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3081         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3082         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3083
3084         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3085
3086         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3087         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3088         #xx:3 and #xx:4 mode.
3089
3090         * config/h8300/h8300.md (inverted load with HImode dest): Add
3091         support for H8300SX.
3092
3093         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3094         satisfy 'U' constraint.
3095
3096 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3097
3098         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3099         * configure: Regenerate.
3100         * config.in: Regenerate.
3101         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3102         works.
3103
3104 2010-04-16  Richard Guenther  <rguenther@suse.de>
3105
3106         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3107         (struct tree_decl_common): ... here.
3108         (DECL_PT_UID): Adjust.
3109         (SET_DECL_PT_UID): Likewise.
3110         (DECL_PT_UID_SET_P): Likewise.
3111
3112 2010-04-16  Richard Guenther  <rguenther@suse.de>
3113
3114         PR tree-optimization/43572
3115         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3116         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3117         * tree-flow.h (is_call_clobbered): Remove.
3118         * tree-flow-inline.h (is_call_clobbered): Likewise.
3119         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3120         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3121         (execute_return_slot_opt): Adjust.
3122         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3123         check for call clobbered vars here.
3124         (find_tail_calls): Move tailcall verification to the
3125         proper place.
3126
3127 2010-04-16  Diego Novillo  <dnovillo@google.com>
3128
3129         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3130
3131 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3132
3133         PR target/40603
3134         * config/arm/arm.md (cbranchqi4): New pattern.
3135         * config/arm/predicates.md (const0_operand,
3136         cbranchqi4_comparison_operator): New predicates.
3137
3138 2010-04-16  Richard Guenther  <rguenther@suse.de>
3139
3140         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3141         (dump_gimple_stmt): Likewise.
3142
3143 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3144
3145         * recog.h (struct recog_data): New field is_operator.
3146         (struct insn_operand_data): New field is_operator.
3147         * recog.c (extract_insn): Set recog_data.is_operator.
3148         * genoutput.c (output_operand_data): Emit code to set the
3149         is_operator field.
3150         * reload.c (find_reloads): Use it rather than testing for an
3151         empty constraint string.
3152
3153         PR target/41514
3154         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3155         If the previous insn is a cbranchsi4_insn with the same arguments,
3156         omit the compare instruction.
3157
3158         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3159         register, inputs must be low registers and we need a low register
3160         scratch.  Handle alternative 2 like alternative 3.
3161
3162 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3163
3164         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3165         don't call get_addr on both.  If one expression is a VALUE and
3166         the other a REG, check VALUE's locs if the REG isn't among them.
3167
3168 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3169
3170         * config/sh/sh.h (sh_frame_pointer_required): New function.
3171         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3172         (flag_omit_frame_pointer) Set.
3173         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3174         (rounded_frame_size): Adjust size with outgoing_args_size.
3175         (sh_set_return_address): Must return from stack pointer.
3176         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3177         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3178         (ACCUMULATE_OUTGOING_ARGS): Define.
3179         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3180         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3181
3182 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3183
3184         PR target/43471
3185         * config/sh/sh.c (sh_legitimize_reload_address): Use
3186         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3187         Remove a unneeded check for offset_base.
3188
3189 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3190
3191         * configure: Regenerated.
3192
3193 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3194
3195         * config/s390/s390.c (s390_call_save_register_used): Switch back
3196         to HARD_REGNO_NREGS.
3197
3198 2010-04-15  Richard Guenther  <rguenther@suse.de>
3199
3200         * alias.c (alias_set_subset_of): Handle alias-set zero
3201         child properly.
3202
3203 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3204             Julian Brown  <julian@codesourcery.com>
3205
3206         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3207         alternatives according to use of high and low regs.
3208         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3209         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3210         optimizing for size on Thumb-2.
3211
3212 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3213
3214         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3215
3216 2010-04-15  Richard Guenther  <rguenther@suse.de>
3217
3218         * tree-ssa-structalias.c (struct variable_info): Add
3219         is_fn_info flag.
3220         (new_var_info): Initialize it.
3221         (dump_constraints): Support printing last added constraints.
3222         (debug_constraints): Adjust.
3223         (dump_constraint_graph): Likewise.
3224         (make_heapvar_for): Check for NULL cfun.
3225         (get_function_part_constraint): New function.
3226         (get_fi_for_callee): Likewise.
3227         (find_func_aliases): Properly implement IPA PTA constraints.
3228         (process_ipa_clobber): New function.
3229         (find_func_clobbers): Likewise.
3230         (insert_into_field_list_sorted): Remove.
3231         (create_function_info_for): Properly allocate vars for IPA mode.
3232         Do not use insert_into_field_list_sorted.
3233         (create_variable_info_for): Properly generate constraints for
3234         global vars in IPA mode.
3235         (dump_solution_for_var): Always dump the solution.
3236         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3237         (find_what_var_points_to): Adjust.
3238         (pt_solution_set): Change.
3239         (pt_solution_ior_into): New function.
3240         (pt_solution_empty_p): Export.
3241         (pt_solution_includes_global): Adjust.
3242         (pt_solution_includes_1): Likewise.
3243         (pt_solutions_intersect_1): Likewise.
3244         (dump_sa_points_to_info): Check some invariants.
3245         (solve_constraints): Move constraint dumping ...
3246         (compute_points_to_sets): ... here.
3247         (ipa_pta_execute): ... and here.
3248         (compute_may_aliases): Do not re-compute points-to info
3249         locally if IPA info is available.
3250         (ipa_escaped_pt): New global var.
3251         (ipa_pta_execute): Properly implement IPA PTA.
3252         * tree-into-ssa.c (dump_decl_set): Support dumping
3253         decls not in referenced-vars.
3254         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3255         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3256         (dump_points_to_solution): Likewise.
3257         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3258         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3259         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3260         (copy_decl_to_var): Copy DECL_PT_UID.
3261         (copy_result_decl_to_var): Likewise.
3262         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3263         (copy_node_stat): Copy it.
3264         * tree.h (DECL_PT_UID): New macro.
3265         (SET_DECL_PT_UID): Likewise.
3266         (DECL_PT_UID_SET_P): Likewise.
3267         (struct tree_decl_minimal): Add pt_uid member.
3268         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3269         (pt_solution_empty_p): Declare.
3270         (pt_solution_set): Adjust.
3271         (ipa_escaped_pt): Declare.
3272         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3273         * gimple-pretty-print.c (pp_points_to_solution): New function.
3274         (dump_gimple_call): Dump call clobber/use information.
3275         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3276         * tree-pass.h (TDF_ALIAS): New dump option.
3277         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3278         * doc/invoke.texi (-fipa-pta): Update documentation.
3279
3280 2010-04-15  Richard Guenther  <rguenther@suse.de>
3281
3282         * Makefile.in (OBJS-common): Add gimple-fold.o.
3283         (gimple-fold.o): New rule.
3284         * tree.h (maybe_fold_offset_to_reference,
3285         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3286         prototypes ...
3287         * gimple.h: ... here.
3288         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3289         may_propagate_address_into_dereference): Move prototypes ...
3290         * gimple.h: ... here.
3291         * tree-ssa-ccp.c (get_symbol_constant_value,
3292         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3293         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3294         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3295         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3296         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3297         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3298         gimplify_and_update_call_from_tree): Move ...
3299         * gimple-fold.c: ... here.  New file.
3300         (ccp_fold_builtin): Rename to ...
3301         (gimple_fold_builtin): ... this.
3302         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3303
3304 2010-04-15  Richard Guenther  <rguenther@suse.de>
3305
3306         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3307         fit_double_type, force_fit_type_double, add_double_with_sign,
3308         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3309         lrotate_double, rrotate_double, div_and_round_double): Move ...
3310         * double-int.c: ... here.
3311         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3312         add_double, neg_double, mul_double_with_sign, mul_double,
3313         lshift_double, rshift_double, lrotate_double, rrotate_double,
3314         div_and_round_double): Move prototypes ...
3315         * double-int.h: ... here.
3316
3317 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3318
3319         PR target/43742
3320         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3321         matching constraints to ensure inputs match the output.
3322
3323 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3324
3325         PR target/43742
3326         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3327         in an input-only operand.
3328
3329 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3330
3331         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3332         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3333         (double_int_negative_p): Convert to static inline function.
3334         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3335         (double_int_negative_p): Remove.
3336         * tree.h (lshift_double, rshift_double):
3337         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3338         * fold-const.c (fold_convert_const_int_from_real,
3339         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3340         (lshift_double): Change type of arith argument to bool.
3341         (rshift_double): Change type of arith argument to bool. Correct
3342         comment.
3343         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3344
3345 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3346
3347         PR target/21803
3348         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3349         at the start and end of the then/else blocks, and omit them from the
3350         conversion.
3351         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3352         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3353         (flow_find_head_matching_sequence): New function.
3354         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3355         * basic-block.h (flow_find_cross_jump,
3356         flow_find_head_matching_sequence): Declare functions.
3357
3358 2010-04-14  Jason Merrill  <jason@redhat.com>
3359
3360         PR c++/36625
3361         * c-common.c (attribute_takes_identifier_p): New fn.
3362         * c-common.h: Declare it.
3363
3364 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3365
3366         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3367         splitter condition.
3368         (*udivmod<mode>4): Ditto.
3369
3370 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3371
3372         * config/i386/i386.md (maxmin_int): Rename code attribute from
3373         maxminiprefix and update all users.
3374         (maxmin_float): Ditto from maxminfprefix.
3375         (logic): Ditto from logicprefix.
3376         (absneg_mnemonic): Ditto from absnegprefix.
3377         * config/i386/mmx.md: Update all users of maxminiprefix,
3378         maxminfprefix and logicprefix for rename.
3379         * config/i386/sse.md: Ditto.
3380         * config/i386/sync.md (sync_<code><mode>): Update for
3381         logicprefix rename.
3382
3383 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3384
3385         PR 42966
3386         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3387         warnings converted to errors.
3388
3389 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3390
3391         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3392         used insn_type variable.
3393         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3394         to avoid set-but-not-used warning.
3395
3396 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * df-core.c (df_ref_debug): Change format string placeholder
3399         from 0x%x to %#x.
3400         * dwarf2asm.c (dw2_asm_output_data_raw,
3401         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3402         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3403         * dwarf2out.c (output_cfi, output_cfi_directive,
3404         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3405         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3406         Ditto.
3407         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3408         * print-rtl.c (print_rtx): Ditto.
3409
3410 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3411
3412         PR middle-end/42694
3413         * builtins.c (expand_builtin_pow_root): New function to expand pow
3414         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3415         series of sqrt and cbrt calls under -ffast-math.
3416         (expand_builtin_pow): Call it.
3417
3418 2010-04-14  Michael Matz  <matz@suse.de>
3419
3420         PR tree-optimization/42963
3421         * tree-cfg.c (touched_switch_bbs): New static variable.
3422         (group_case_labels_stmt): New function broken out from ...
3423         (group_case_labels): ... here, use the above.
3424         (start_recording_case_labels): Allocate touched_switch_bbs.
3425         (end_recording_case_labels): Deallocate it, call
3426         group_case_labels_stmt.
3427         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3428
3429 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3430
3431         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3432         from insn template.
3433
3434 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3435
3436         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3437
3438 2010-04-13  Jan Hubicka  <jh@suse.cz>
3439
3440         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3441         of optimized out static functions.
3442         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3443         cost computation.  Also sanity check for overflows.
3444         (update_caller_keys): Update cgraph_edge_badness call; properly
3445         update fibheap and sanity check that it is up to date.
3446         (add_new_edges_to_heap): Update cgraph_edge_badness.
3447         (cgraph_decide_inlining_of_small_function): Likewise;
3448         add sanity checking that badness in heap is up to date;
3449         improve dumping of reason; Update badness of calls to the
3450         offline copy of function currently inlined; dump badness
3451         of functions not inlined because of unit growth limits.
3452
3453 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3454
3455         PR middle-end/32628
3456         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3457         because of sign-extension change when converting to sizetype here...
3458         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3459
3460         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3461         the folding to constants.  Remove redundant final conversion.
3462         (fold_binary) <associate>: Do not associate if the re-association of
3463         constants alone overflows.
3464         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3465         to the end of the list.
3466         (multiple_of_p) <COND_EXPR>: New case.
3467
3468 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3469
3470         * opt-functions.awk (opt_sanitized_name): New.
3471         (opt_enum): New.
3472         * optc-gen.awk: Use it
3473         * opth-gen.awk: Use it.
3474
3475 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3476
3477         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3478         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3479         children.  Call replace_uses_with_default_def_ssa_name to handle
3480         SSA_NAES on lhs.
3481
3482 2010-04-13  Michael Matz  <matz@suse.de>
3483
3484         PR middle-end/43730
3485         * builtins.c (expand_builtin_interclass_mathfn): Also create
3486         a register if the predicate doesn't match.
3487
3488 2010-04-13  Diego Novillo  <dnovillo@google.com>
3489
3490         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3491         * c-pch.c: Include timevar.h.
3492         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3493         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3494         * ggc-common.c: Include timevar.h.
3495         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3496         * timevar.def (TV_PCH_SAVE): Define.
3497         (TV_PCH_CPP_SAVE): Define.
3498         (TV_PCH_PTR_REALLOC): Define.
3499         (TV_PCH_PTR_SORT): Define.
3500         (TV_PCH_RESTORE): Define.
3501         (TV_PCH_CPP_RESTORE): Define.
3502
3503 2010-04-13  Michael Matz  <matz@suse.de>
3504
3505         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3506         into MINUS_EXPRs.
3507         (can_reassociate_p): New function.
3508         (break_up_subtract_bb, reassociate_bb): Use it.
3509
3510 2010-04-13  Richard Guenther  <rguenther@suse.de>
3511
3512         PR bootstrap/43737
3513         * builtins.c (c_readstr): Fix assert.
3514
3515 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3516
3517         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3518         when generating cltd insn.
3519
3520         (*ashl<mode>3_1): Remove special handling for register operand 2.
3521         (*ashlsi3_1_zext): Ditto.
3522         (*ashlhi3_1): Ditto.
3523         (*ashlhi3_1_lea): Ditto.
3524         (*ashlqi3_1): Ditto.
3525         (*ashlqi3_1_lea): Ditto.
3526         (*<shiftrt_insn><mode>3_1): Ditto.
3527         (*<shiftrt_insn>si3_1_zext): Ditto.
3528         (*<shiftrt_insn>qi3_1_slp): Ditto.
3529         (*<rotate_insn><mode>3_1): Ditto.
3530         (*<rotate_insn>si3_1_zext): Ditto.
3531         (*<rotate_insn>qi3_1_slp): Ditto.
3532
3533 2010-04-13  Richard Guenther  <rguenther@suse.de>
3534
3535         * tree-ssa-structalias.c (callused_id): Remove.
3536         (call_stmt_vars): New.
3537         (get_call_vi): Likewise.
3538         (lookup_call_use_vi): Likewise.
3539         (lookup_call_clobber_vi): Likewise.
3540         (get_call_use_vi): Likewise.
3541         (get_call_clobber_vi): Likewise.
3542         (make_transitive_closure_constraints): Likewise.
3543         (handle_const_call): Adjust to do per-call call-used handling.
3544         (handle_pure_call): Likewise.
3545         (find_what_var_points_to): Remove general callused handling.
3546         (init_base_vars): Likewise.
3547         (init_alias_vars): Initialize call_stmt_vars.
3548         (compute_points_to_sets): Process call-used and call-clobbered
3549         vars for call statements.
3550         (delete_points_to_sets): Free call_stmt_vars.
3551
3552 2010-04-13  Richard Guenther  <rguenther@suse.de>
3553
3554         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3555         Only add RW dependence for dependence distance zero.
3556         Adjust maximal vectorization factor according to dependences.
3557         Move alignment handling ...
3558         (vect_find_same_alignment_drs): ... here.  New function.
3559         (vect_analyze_data_ref_dependences): Adjust.
3560         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3561         (vect_analyze_data_refs): Adjust minimal vectorization factor
3562         according to data references.
3563         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3564         dependences before determining the vectorization factor.
3565         Analyze alignment after determining the vectorization factor.
3566         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3567         dependences before alignment.
3568         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3569         Adjust prototype.
3570         (vect_analyze_data_refs): Likewise.
3571         (MAX_VECTORIZATION_FACTOR): New define.
3572
3573 2010-04-13  Duncan Sands  <baldrick@free.fr>
3574
3575         * except.h (lang_eh_type_covers): Remove.
3576         * except.c (lang_eh_type_covers): Likewise.
3577
3578 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3579             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3580
3581         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3582         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3583         UNITS_PER_LONG where it is ABI relevant.
3584         (s390_return_addr_rtx): Likewise.
3585         (s390_back_chain_rtx): Likewise.
3586         (s390_frame_area): Likewise.
3587         (s390_frame_info): Likewise.
3588         (s390_initial_elimination_offset): Likewise.
3589         (save_gprs): Likewise.
3590         (s390_emit_prologue): Likewise.
3591         (s390_emit_epilogue): Likewise.
3592         (s390_function_arg_advance): Likewise.
3593         (s390_function_arg): Likewise.
3594         (s390_va_start): Likewise.
3595         (s390_gimplify_va_arg): Likewise.
3596         (s390_function_profiler): Likewise.
3597         (s390_optimize_prologue): Likewise.
3598         (s390_rtx_costs): Likewise.
3599         (s390_secondary_reload): Likewise.
3600         (s390_promote_function_mode): Likewise.
3601         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3602         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3603         registers available.
3604         (s390_unwind_word_mode): New function.
3605         (s390_function_value): Split 64 bit values into register pair if
3606         used as return value.
3607         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3608         function call parameters.  Handle parallels.
3609         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3610         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3611         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3612         (s390_expand_setmem): Remove unused variable src_addr.
3613         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3614         deal with 64 bit registers.
3615         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3616         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3617         (UNITS_PER_LONG): New macro.
3618         * libjava/include/s390-signal.h: Define extended ucontext
3619         structure containing the upper halfs of the 64 bit registers.
3620
3621 2010-04-13  Simon Baldwin  <simonb@google.com>
3622
3623         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3624
3625 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3626
3627         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3628         rvalue on the RHS if the LHS is of a non-renamable type.
3629         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3630
3631 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3632
3633         * gcc.c (cc1_options): Handle -iplugindir before processing
3634         the cc1 spec. Only add -iplugindir once.
3635         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3636         found.
3637         * common.opt (iplugindir): Remove `Separate' property, initialize.
3638         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3639         option.
3640         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3641         (distclean): Remove plugin dir.
3642         * doc/invoke.texi: Document -iplugindir.
3643
3644 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3645
3646         * doc/plugins.texi (Loading Plugins): Document short
3647         -fplugin=foo option.
3648         (Plugin API): Mention default_plugin_dir_name function.
3649
3650         * gcc.c (find_file_spec_function): Add new declaration.
3651         (static_spec_func): Use it for "find-file".
3652         (find_file_spec_function): Add new function.
3653         (cc1_options): Add -iplugindir option if -fplugin* options found.
3654
3655         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3656
3657         * plugin.c (add_new_plugin): Updated comment, and handle short
3658         plugin name.
3659         (default_plugin_dir_name): Added new function.
3660
3661         * common.opt (iplugindir): New option to set the plugin directory.
3662
3663 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3664
3665         * config/i386/i386.md (any_rotate): New code iterator.
3666         (rotate_insn): New code attribute.
3667         (rotate): Ditto.
3668         (SWIM124): New mode iterator.
3669         (<rotate_insn>ti3): New expander.
3670         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3671         any_rotate code iterator.
3672         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3673         using any_rotate code iterator and SWIM124 mode iterator.
3674         (ix86_rotlti3): New insn_and_split pattern.
3675         (ix86_rotrti3): Ditto.
3676         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3677         ix86_rotl{di,ti}3 patterns.
3678         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3679         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3680         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3681         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3682         code iterator and SWI mode iterator.
3683         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3684         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3685         code iterator.
3686         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3687         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3688         (bswap rotatert splitter): Add splitter.
3689         (bswap splitter): Macroize splitter using any_rotate code iterator.
3690         Add insn predicate to split only for TARGET_USE_XCHGB or when
3691         optimizing function for size.
3692
3693 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3694
3695         * config/pa/pa.c (emit_move_sequence): Remove use of
3696         deleted variable flag_argument_noalias.
3697
3698 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3699
3700         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3701         configurations.
3702         Add to unsupported targets list.
3703         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3704         sparc*-sun-solaris2.[567]* from target lists.
3705         * configure: Regenerate.
3706         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3707         removal.
3708         Remove Solaris 7 patch references.
3709         (Specific, sparc-sun-solaris2.7): Removed.
3710         (sparc-sun-solaris2*): Update Solaris 7 example.
3711         (sparc64-*-solaris2*): Likewise.
3712
3713 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3714
3715         * config.build (alpha*-dec-osf4*): Remove.
3716         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3717         of obsolete configurations.
3718         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3719         support.
3720         * config/alpha/t-osf4: Renamed to ...
3721         * config/alpha/t-osf5: ... this.
3722         * config/alpha/osf.h: Renamed to ...
3723         * config/alpha/osf5.h: ... this.
3724         Merged old osf5.h contents.
3725         Update comments.
3726         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3727         (EXTRA_SPECS): Removed.
3728         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3729         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3730         Document that.
3731
3732 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3733
3734         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3735
3736 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3737
3738         PR/43702
3739         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3740         __thiscall convention.
3741
3742 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3743
3744         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3745         orig_base.
3746         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3747
3748 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3749
3750         * function.c (assign_parms_initialize_all): Add unused attribute
3751         to fntype.
3752
3753 2010-04-12  Richard Guenther  <rguenther@suse.de>
3754
3755         * gsstruct.def (GSS_CALL): New.
3756         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3757         * gimple.h: Include tree-ssa-alias.h.
3758         (struct gimple_statement_call): New.
3759         (union gimple_statement_struct_d): Add gimple_call member.
3760         (gimple_call_reset_alias_info): Declare.
3761         (gimple_call_use_set): New function.
3762         (gimple_call_clobber_set): Likewise.
3763         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3764         * gimple.c (gimple_call_reset_alias_info): New function.
3765         (gimple_build_call_1): Call it.
3766         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3767         * tree-inline.c (remap_gimple_stmt): Likewise.
3768         (expand_call_inline): Remove callused handling.
3769         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3770         * tree-dfa.c (dump_variable): Likewise.
3771         * tree-parloops.c (parallelize_loops): Likewise.
3772         * tree-ssa.c (init_tree_ssa): Likewise.
3773         (delete_tree_ssa): Likewise.
3774         * tree-flow-inline.h (is_call_used): Remove.
3775         * tree-flow.h (struct gimple_df): Remove callused member.
3776         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3777         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3778         (ref_maybe_used_by_call_p_1): Simplify.
3779         (call_may_clobber_ref_p_1): Likewise.
3780         * tree-ssa-structalias.c (compute_points_to_sets): Set
3781         the call stmt used and clobbered sets.
3782         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3783         (find_tail_calls): Verify the tail call.
3784
3785 2010-04-12  Richard Guenther  <rguenther@suse.de>
3786
3787         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3788         single-iteration always-inline inlining.
3789         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3790         (cgraph_decide_inlining): Do not handle always-inline specially.
3791         (try_inline): Remove always-inline cycle detection special case.
3792         Do not recurse on always-inlines.
3793         (cgraph_early_inlining): Do not iterate if not optimizing.
3794         (cgraph_gate_early_inlining): remove.
3795         (pass_early_inline): Run unconditionally.
3796         (gate_cgraph_decide_inlining): New function.
3797         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3798         not inlining or optimizing.
3799         (cgraph_decide_inlining_of_small_functions): Also consider
3800         always-inline functions.
3801         (cgraph_default_inline_p): Return true for nodes which should
3802         disregard inline limits.
3803         (estimate_function_body_sizes): Assume zero size and time for
3804         nodes which are marked as disregarding inline limits.
3805         (cgraph_decide_recursive_inlining): Do not perform recursive
3806         inlining on always-inline nodes.
3807
3808 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3809
3810         PR bootstrap/43699
3811         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3812         for exprs satisfying handled_component_p.
3813
3814 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3815
3816         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3817         non-constant aggregate elements.
3818
3819         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3820         is a real initialization.
3821
3822 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3823
3824         PR c/36774
3825         * c-decl.c (start_function): Move forward check for nested function.
3826
3827 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3828
3829         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3830         * config/sh/sh.c: Include reload.h.
3831         (sh_legitimize_reload_address): New.
3832         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3833         sh_legitimize_reload_address.
3834
3835 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3836
3837         * config/sh/sh.md (*movqi_pop): New insn pattern.
3838         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3839
3840 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3841
3842         * config/i386/i386.md (any_shiftrt): New code iterator.
3843         (shiftrt_insn): New code attribute.
3844         (shiftrt): Ditto.
3845         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3846         using any_shiftrt code iterator.
3847         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3848         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3849         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3850         pattern from corresponding peephole2 patterns.
3851         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3852         using any_shiftrt code iterator.
3853         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3854         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3855         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3856         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3857         *{ashr,lshr}<mode>3_cmp_zext.
3858         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3859
3860 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3861
3862         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3863         scratch register.
3864         (*lshr<mode>3_cconly): Ditto.
3865
3866 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3867
3868         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3869         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3870         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3871         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3872         DWI mode iterator.
3873         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3874         from corresponding peephole2 patterns.
3875         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3876         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3877         and *lshrdi3_1_rex64 using SWI mode iterator.
3878         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3879         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3880         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3881         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3882         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3883         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3884         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3885         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3886         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3887         SWI mode iterator.
3888
3889 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3890
3891         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3892         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3893         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3894         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3895         DWI mode iterator.
3896         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3897         from corresponding peephole2 patterns.
3898         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3899         (ashrsi3_cvt): Rename from ashrsi3_31.
3900         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3901         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3902         and x86_64_shift_adj_3 using SWI48 mode iterator.
3903         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3904         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3905         and *ashrdi3_1_rex64 using SWI mode iterator.
3906         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3907         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3908         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3909         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3910         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3911         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3912         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3913         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3914         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3915         SWI mode iterator.
3916         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3917         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3918         x86_shift<mode>_adj_3 expanders.
3919
3920 2010-04-10  Wei Guozhi  <carrot@google.com>
3921
3922         PR target/42601
3923         * config/arm/arm.c (arm_pic_static_addr): New function.
3924         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3925         a static symbol.
3926         (arm_output_addr_const_extra): Output expression for new pattern.
3927         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3928
3929 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3930
3931         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3932         not enabled.
3933
3934         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3935         * web.c: Include "insn-config.h" and "recog.h".
3936         (union_match_dups): New function.
3937         (web_main): Call it.
3938         (union_defs): Don't try to recognize match_dups.
3939
3940         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3941         if doing so would replace the entire pattern.
3942
3943 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3944
3945         PR target/43707
3946         PR target/43709
3947         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3948         and splitter pattern.  Change splitter operand 1 predicate to
3949         nonmemory_operand.
3950
3951 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3952
3953         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3954         lattices are addresses of CONST_DECLs with the same initial value.
3955         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3956         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3957
3958 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3959             Bernd Schmidt  <bernds@codesourcery.com>
3960
3961         * loop-invariant.c (replace_uses): New static function.
3962         (move_invariant_reg): Use it to ensure we can replace the uses.
3963
3964 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3965
3966         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3967         function template.
3968         (picochip_override_options): Enable section anchors only above -O1.
3969         (picochip_reorg): Fixed a couple of build warnings.
3970
3971 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3972
3973         * configure.ac (plugin -rdynamic test): Log result.
3974         * configure: Regenerate.
3975         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3976         (RDYNAMIC_SPEC): Define.
3977         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3978
3979 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3980
3981         * configure.ac: Determine Sun ld version numbers.
3982         (comdat_group): Restrict GNU ld version checks to gld.
3983         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3984         (enable_comdat): Support --enable-comdat.
3985         * configure: Regenerate.
3986         * doc/install.texi (Configuration): Document --enable-comdat.
3987
3988 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3989
3990         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3991         * config/sol2-gld.h: ... here.
3992         * config.gcc (sparc*-*-solaris2*): Reflect this.
3993         (i[34567]86-*-solaris2*): Use it.
3994
3995 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3996
3997         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3998         setup_clocks_p.
3999         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4000
4001 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4002
4003         PR 42965
4004         * diagnostic.c (diagnostic_initialize): Initialize
4005         some_warnings_are_errors.
4006         (diagnostic_finish): New.
4007         (diagnostic_action_after_output): Call it before exiting.
4008         (diagnostic_report_diagnostic): Do not print message here. Set
4009         some_warnings_are_errors.
4010         * diagnostic.h (diagnostic_context): Delete