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1 2010-05-14  Jan Hubicka  <jh@suse.cz>
2
3         * tree.h (memory_identifier_string): Remove.
4         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
5         (ipa_reference_global_vars_info_d): Remove statics_not_read and
6         statics_not_written.
7         (ipa_reference_optimization_summary_d): New structure.
8         (ipa_reference_optimization_summary_t): New type and vector.
9         (ipa_reference_vars_info_d): Embedd structures instead of using
10         pointers.
11         (reference_vars_to_consider): Remove out of GGC space.
12         (module_statics_escape): Remove.
13         (global_info_obstack): Rename to ...
14         (optimization_summary_obstack): ... this one.
15         (initialization_status_t): Remove.
16         (memory_identifier_string): Remove.
17         (get_reference_vars_info): Fix indenting.
18         (set_reference_vars_info): Likewise.
19         (get_reference_optimization_summary): New.
20         (set_reference_optimization_summary): New.
21         (get_global_reference_vars_info): Remove.
22         (ipa_reference_get_read_global): Remove.
23         (ipa_reference_get_written_global): Remove.
24         (ipa_reference_get_not_read_global): Update.
25         (ipa_reference_get_not_written_global): Update.
26         (is_proper_for_analysis): Outlaw addressable.
27         (propagate_bits): Update for new datastructures.
28         (analyze_variable): Remove.
29         (init_function_info): Update for new datastructures.
30         (clean_function_local_data): Remove.
31         (clean_function): Remove.
32         (copy_global_bitmap): Use optimizations_summary_obstack.
33         (duplicate_node_data): Duplicate optimization summary only.
34         (remove_node_data): Remove optimization summary only.
35         (generate_summary): Do not analyze variables; do not compute
36         module_statics_escape; do not prune solutions by it.
37         (read_write_all_from_decl): Fix typos in comments.
38         (propagate): Doscover readonly and nonaddressable first;
39         update for new datastructures; share global bitmaps.
40         * ipa-reference.h (ipa_reference_get_read_global,
41         ipa_reference_get_written_global): Remove.
42         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
43         * Makefile.in: Remove ipa-refereference from GT files.
44
45 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
46
47         PR debug/44112
48         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
49         for all SYMBOL_REF_DECLs.
50
51 2010-05-14  Jan Hubicka  <jh@suse.cz>
52
53         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
54         (varpool_all_refs_explicit_p): New inline function.
55         * ipa-reference.c: Update comment.
56         (module_statics_written): Remove.
57         (get_static_decl): Remove.
58         (ipa_init): Do not initialize module_statics_written.
59         (analyze_function): Likewise.
60         (generate_summary): Likewise; do not compute module_statics_readonly
61         and do not update variable flags.
62         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
63         * ipa.c: Inlucde flags.h
64         (cgraph_local_node_p): New.
65         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
66         promote functions to local.
67         (ipa_discover_readonly_nonaddressable_vars): New function.
68         (function_and_variable_visibility): Use cgraph_local_node_p.
69         * varpool.c (varpool_finalize_decl): Set force_output for
70         DECL_PRESERVE_P vars.
71
72 2010-05-14  Jan Hubicka  <jh@suse.cz>
73
74         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
75
76 2010-05-14  Richard Guenther  <rguenther@suse.de>
77
78         PR tree-optimization/44119
79         * tree-ssa-pre.c (eliminate): Properly mark replacement of
80         a PHI node necessary.
81
82 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
83
84         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
85
86 2010-05-14  Jason Merrill  <jason@redhat.com>
87
88         PR c++/44127
89         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
90         (gimple_call_set_nothrow): New.
91         * gimple.c (gimple_build_call_from_tree): Call it.
92         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
93
94         PR c++/44127
95         * gimplify.c (gimplify_seq_add_stmt): No longer static.
96         * gimple.h: Declare it.
97         * gimple.c (gimple_build_eh_filter): No ops.
98
99 2010-05-14  Jan Hubicka  <jh@suse.cz>
100
101         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
102         nodes already in queue.
103         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
104         re-enqueueing node.
105
106 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
107
108         PR debug/44136
109         * cfgexpand.c (expand_debug_expr): If non-memory op0
110         has BLKmode, return NULL.
111
112 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
113
114         * config.gcc: Add support for --with-cpu option for bdver1.
115         * config/i386/i386.h (TARGET_BDVER1): New macro.
116         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
117         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
118         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
119         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
120         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
121         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
122         (processor_type): Add PROCESSOR_BDVER1.
123         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
124         processor_type in config/i386/i386.h.
125         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
126         movaps <reg, reg> instead of movapd <reg, reg> when replacing
127         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
128         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
129         to emit packed xor instead of packed double/packed integer
130         xor for SSE and AVX when moving a zero value.
131         * config/i386/sse.md: Add check for
132         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
133         movapd/movdqa for SSE and AVX.
134         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
135         single logical operations i.e and, or and xor instead of packed double
136         logical operations for SSE and AVX.
137         * config/i386/i386-c.c: 
138         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
139         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
140         (has_fma4, has_xop): New.
141         * config/i386/i386.c (bdver1_cost): New variable.
142         (m_BDVER1): New macro.
143         (m_AMD_MULTIPLE): Add m_BDVER1.
144         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
145         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
146         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
147         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
148         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
149         x86_tune_sse_partial_reg_dependency,
150         x86_tune_sse_unaligned_load_optimal,
151         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
152         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
153         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
154         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
155         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
156         Enable/disable for bdver1.
157         (processor_target_table): Add bdver1_cost.
158         (cpu_names): Add bdver1.
159         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
160          processor_alias_table.
161         (ix86_expand_vector_move_misalign): Change.
162         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
163         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
164         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
165         of movupd/movdqu for SSE and AVX.
166         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
167         (ix86_tune_adjust_cost): Add code for bdver1.
168         (standard_sse_constant_opcode): Add check for
169         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
170         of packed double xor for SSE and AVX.
171
172 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
173
174         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
175         result to unsigned.
176
177 2010-05-14  Tristan Gingold  <gingold@adacore.com>
178
179         * toplev.c (default_debug_hooks): Remove this variable.
180         (process_options): Remove assignments to default_debug_hooks.
181
182 2010-05-14  Martin Jambor  <mjambor@suse.cz>
183
184         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
185         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
186         * langhooks.h (struct lang_hooks_for_decls): Removed field
187         fold_obj_type_ref.
188         * tree.c (free_lang_data): Remove assignment to
189         lang_hooks.fold_obj_type_ref.
190         * tree.def (OBJ_TYPE_REF): Update comment.
191
192 2010-05-14  Richard Guenther  <rguenther@suse.de>
193
194         PR tree-optimization/44124
195         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
196
197 2010-05-14  Alan Modra  <amodra@gmail.com>
198
199         PR target/44075
200         * config/rs6000/rs6000.c (struct machine_function): Reorder
201         fields for better packing.  Add lr_save_state.
202         (rs6000_ra_ever_killed): Return lr_save_state if set.
203         (rs6000_emit_eh_reg_restore): Set lr_save_state.
204
205 2010-05-13  Jan Hubicka  <jh@suse.cz>
206
207         * varpool.c (decide_is_variable_needed): Drop code checking
208         TREE_SYMBOL_REFERENCED.
209
210 2010-05-13  Jan Hubicka  <jh@suse.cz>
211
212         * final.c (output_addr_const): Do not call mark_decl_referenced.
213         * cgraphunit.c (process_function_and_variable_attributes): Use
214         mark_needed_node dirrectly.
215         (assemble_thunk): Do not call mark_decl_referenced.
216
217 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
218
219         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
220
221 2010-05-13  Jeff Law  <law@redhat.com>
222
223         * ira-conflicts.c (print_allocno_conflicts): New function broken out
224         from...
225         (print_conflicts): Call print_allocno_conflicts.
226
227 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
228
229         PR debug/44104
230         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
231         if it is NULL.
232
233 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
234
235         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
236         t-mingw-w64 or t-mingw-w32 for multilib configuration.
237         * config/i386/t-mingw-w32: New.
238         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
239         
240 2010-05-13  Martin Jambor  <mjambor@suse.cz>
241
242         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
243         gimple-fold.c).
244         * gimple-fold.c (get_base_binfo_for_type): New function.
245         (gimple_get_relevant_ref_binfo): Likewise.
246         (gimple_fold_obj_type_ref_known_binfo): Likewise.
247         (gimple_fold_obj_type_ref): Likewise.
248         (fold_gimple_call): Simplify condition for folding virtual calls
249         and call gimple_fold_obj_type_ref.
250         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
251         (gimple_fold_obj_type_ref_known_binfo): Likewise.
252
253 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
254
255         * config/rs6000/rs6000-protos.h
256         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
257         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
258         (rs6000_debug_mode_dependent_address)
259         (rs6000_mode_dependent_address_ptr): Likewise.
260
261 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
262
263         PR debug/43983
264         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
265         by SRA.
266         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
267         * tree-sra.c (create_access_replacement): Call unshare_expr before
268         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
269         it.
270         * dwarf2out.c: Include tree-flow.h.
271         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
272         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
273         Handle DW_OP_bit_piece.
274         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
275         construct_piece_list, adjust_piece_list): New functions.
276         (add_var_loc_to_decl): Handle SRA optimized variables.
277         Adjust for var_loc_note to loc field renaming.
278         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
279         in VAR_LOCATION note.
280         (new_loc_descr_op_bit_piece): New function.
281         (dw_sra_loc_expr): New function.
282         (dw_loc_list): Use it.  Don't handle the last range after the
283         loop, handle it inside of the loop.  Adjust for var_loc_note
284         to loc field renaming.
285         (add_location_or_const_value_attribute): Only special case
286         single entry loc lists if loc is NOTE_P.  Adjust for
287         var_loc_note to loc field renaming.
288         (dwarf2out_var_location): Don't set newloc->var_loc_note
289         and newloc->next here.
290
291 2010-05-12  Jan Hubicka  <jh@suse.cz>
292
293         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
294         flag.
295         * cgraph.h (cgraph_only_called_directly_p,
296         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
297         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
298         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
299         (assemble
300         * ipa.c (cgraph_remove_unreachable_nodes): Use
301         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
302         flags.
303         * tree-inline.c (copy_bb): Check address_taken flag.
304         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
305         externally_visible flag.
306
307 2010-05-12  Jason Merrill  <jason@redhat.com>
308
309         PR bootstrap/44048
310         PR target/44099
311         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
312         * sdbout.c (plain_type_1): Likewise.
313         * dwarf2out.c (is_base_type): Likewise.
314         (gen_type_die_with_usage): Likewise.  Generate
315         DW_TAG_unspecified_type for any LANG_TYPE.
316
317 2010-05-12  Jan Hubicka  <jh@suse.cz>
318
319         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
320         indrect edges too.
321         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
322         (cgraph_clone_edge): Update.
323         (cgraph_node_remove_callees): Remove indirect calls too.
324         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
325         (cgraph_create_indirect_edge): Update prototype.
326         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
327         is_proper_for_analysis.
328         (add_new_function, visited_nodes, function_insertion_hook_holder,
329         get_local_reference_vars_info, mark_address_taken, mark_address,
330         mark_load, mark_store, check_asm_memory_clobber, check_call,
331         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
332         (ipa_init): Do not initialize visited_nodes;
333         function_insertion_hook_holder.
334         (analyze_variable): Rewrite.
335         (analyze_function): Rewrite.
336         (copy_local_bitmap): Remove.
337         (duplicate_node_dat): Do not duplicate local info.
338         (generate_summary): Simplify to only walk cgraph.
339         (write_node_summary_p, ipa_reference_write_summary,
340         ipa_reference_read_summary): Remove.
341         (propagate): Do not remove function insertion;
342         generate summary.
343         (pass_ipa_reference): NULLify summary handling fields.
344         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
345         (input_edge): Input ecf_flags.
346         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
347         (update_indirect_edges_after_inlining): Ignore edges with unknown
348         param.
349
350 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
351
352         * implicit-zee.c: New file.
353         * tree-pass.h (pass_implicit_zee): Declare.
354         * passes.c (init_optimization_passes): Add zee pass.
355         * common.opt (fzee): New flag.
356         * timevar.def (TV_ZEE): Define.
357         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
358         and beyond.
359         * Makefile.in (implicit-zee.o): Add new build file.
360
361 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
362             Nathan Froyd  <froydnj@codesourcery.com>
363
364         * c-common.c (sync_resolve_params): Remove write-only variable.
365
366 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
367
368         * target.h (struct gcc_target): Add mode_dependent_address_p field.
369         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
370         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
371         * targhooks.c (default_mode_dependent_address_p): New function.
372         * targhooks.h (default_mode_dependent_address_p): Declare function.
373         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
374         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
375         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
376         target hook. Change return type to bool.
377         * recog.h: (mode_dependent_address_p): Change return type to bool.
378
379 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
380             Nathan Froyd  <froydnj@codesourcery.com>
381
382         * tree-mudflap.c (build_function_type_0, build_function_type_1,
383         build_function_type_2, build_function_type_3): Remove.
384         (mudflap_init): Use build_function_type_list.
385
386 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
387             Nathan Froyd  <froydnj@codesourcery.com>
388
389         * coverage.c (build_fn_info_value): Call build_constructor instead of
390         build_constructor_from_list.
391         (build_ctr_info_value): Likewise.
392         (build_gcov_info): Likewise.
393
394 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
395
396         * tree.c (build_constructor): Compute TREE_CONSTANT for the
397         resultant constructor.
398         (build_constructor_single): Don't set TREE_CONSTANT.
399         (build_constructor_from_list): Don't compute TREE_CONSTANT.
400
401 2010-05-12  Jan Hubicka  <jh@suse.cz>
402
403         * cgraph.h (struct varpool_node): Add aux.
404         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
405         * varpool.c (varpool_remove_node): Do not remove initializer.
406         (varpool_reset_queue): Export.
407         (varpool_finalize_decl): Volatile vars are forced to be output.
408         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
409         replaced decl.
410         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
411         process_references, varpool_can_remove_if_no_refs): New functions.
412         (cgraph_remove_unreachable_nodes): Handle variables too.
413
414 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
415
416         PR target/44088
417         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
418
419 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
420
421         PR middle-end/44085
422         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
423         change value of ORT_TASK.
424         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
425         (omp_notice_threadprivate_variable): New function.
426         (omp_notice_variable): Call it for threadprivate variables.
427         If enclosing ctx is a task, print enclosing task rather than
428         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
429         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
430         if task has untied clause.
431
432         PR debug/42278
433         * dwarf2out.c (base_type_die): Don't add name attribute here.
434         (modified_type_die): Instead of sizetype use
435         its underlying original type.  If a DW_TAG_base_type doesn't
436         have name added, add __unknown__.
437         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
438         always call force_type_die instead.
439
440 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
441
442         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
443         for __stack_chk_guard.
444
445 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
446
447         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
448         don't call start_source_file debug hook here...
449         (finish_options): ... but here, after outputting predefined and
450         command line defines and undefs.
451
452         PR middle-end/44071
453         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
454         no fallthru edge.
455         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
456         optimizing away empty bb with no successors, move over its
457         footer chain to fallthru predecessor.
458         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
459         (rtl_split_edge): For asm goto call patch_jump_insn even if
460         splitting fallthru edge.
461
462         PR c++/44059
463         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
464         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
465         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
466         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
467         on DW.ref.* decls.
468
469         PR c++/44062
470         * c-parser.c (c_parser_expression): Mark LHS of a comma
471         expression as read if it is a decl, handled component or
472         COMPOUND_EXPR with that on the RHS.
473         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
474         if it is a decl or handled component.
475
476 2010-05-11  Jan Hubicka  <jh@suse.cz>
477
478         * lto-symtab.c (lto_symtab_free): New function.
479         * lto-streamer.h (lto_symtab_free): Declare.
480
481 2010-05-11  Jan Hubicka  <jh@suse.cz>
482
483         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
484         that if function is needed it is reachable.
485         (lto_output_node): See if it the function is reachable or referenced.
486         (output_cgraph): Update call of lto_output_node.
487         * lto-streamer.h (reachable_from_other_partition_p): Declare.
488
489 2010-05-11  Jan Hubicka  <jh@suse.cz>
490
491         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
492         Mark as used.
493
494 2010-05-11  Jan Hubicka  <jh@suse.cz>
495
496         PR tree-optimize/44063
497         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
498         queue.
499         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
500         limits.
501         (estimate_function_body_sizes): Compute sizes even when disregarding.
502
503 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
504
505         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
506
507 2010-05-11  Jan Hubicka  <jh@suse.cz>
508
509         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
510         into every boundary.
511
512 2010-05-11  Jan Hubicka  <jh@suse.cz>
513
514         * matrix-reorg.c (matrix_reorg): Rebuild edges.
515
516 2010-05-11  Jan Hubicka  <jh@suse.cz>
517
518         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
519         lto_streamer_cache_delete): Put nodes into heap.
520         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
521         heap.
522
523 2010-05-11  Jan Hubicka  <jh@suse.cz>
524
525         * cgraphbuild.c (cgraph_rebuild_references): New.
526         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
527         out extern inlines.
528         * cgraph.h (cgraph_rebuild_references): Declare.
529         * tree-inline.c (tree_function_versioning): Use it.
530         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
531
532 2010-05-11  Jan Hubicka  <jh@suse.cz>
533
534         * cgraph.c: Include ipa-utils.h
535         (cgraph_create_virtual_clone): Update references.
536         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
537
538 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
539
540         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
541         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
542         cache size.
543
544 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
545
546         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
547
548 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
549
550         * gcc.c (execute): For -### don't quote arguments that
551         contain just alphanumerics and _/-. characters.
552         * doc/invoke.texi: Document that change for -###.
553
554         PR debug/44023
555         * df-problems.c (struct dead_debug): Add to_rescan field.
556         (dead_debug_init): Clear to_rescan field.
557         (dead_debug_finish): Rescan all debug insns in to_rescan
558         bitmap and free the bitmap.
559         (dead_debug_insert_before): Instead of rescanning debug insns
560         immediately queue their rescanning until dead_debug_finish.
561         (df_note_bb_compute): After dead_debug_add do continue instead
562         of break.
563
564 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
565
566         PR debug/44028
567         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
568         clear also INSN_REG_USE_LIST.
569
570 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
571
572         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
573
574 2010-05-10  Jan Hubicka  <jh@suse.cz>
575
576         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
577         commited change.
578
579 2010-05-10  Jan Hubicka  <jh@suse.cz>
580
581         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
582         Allocate encoders.
583         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
584         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
585         (lto_streamer_cache_create): Init alloc pool.
586         (lto_streamer_cache_delete): Free alloc pool.
587         * lto-streamer.h: Include alloc pool.
588         (lto_streamer_cache_d): Use alloc pool.
589         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
590
591 2010-05-10  Jan Hubicka  <jh@suse.cz>
592
593         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
594         * cgraphbuild.c: Include except.h
595         (record_type_list, record_eh_tables): New function.
596         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
597
598 2010-05-10  Jan Hubicka  <jh@suse.cz>
599
600         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
601         __frame_dummy_init_array_entry, force_to_data): Attribute as used
602         rather than unused.
603
604 2010-05-10  Michael Matz  <matz@suse.de>
605
606         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
607         (can_reassociate_p): Use FLOAT_TYPE_P.
608         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
609         (vect_force_simple_reduction): ... this.
610         * tree-parloops.c (gather_scalar_reductions): Use
611         vect_force_simple_reduction.
612         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
613         vect_is_simple_reduction, add modify argument, if true rewrite
614         "a-b" into "a+(-b)".
615         (vect_is_simple_reduction, vect_force_simple_reduction): New
616         functions.
617         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
618
619 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
620             Vladimir Makarov  <vmakarov@redhat.com>
621
622         PR rtl-optimization/44012
623         * ira-build.c (remove_unnecessary_allocnos): Nullify
624         regno_allocno_map of the removed allocno.
625
626 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
627
628         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
629         to /dev/null.
630         * configure: Regenerate.
631
632 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
633
634         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
635         unused.
636         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
637         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
638         support in Sun ld.
639         * configure: Regenerate.
640
641 2010-05-10  Richard Guenther  <rguenther@suse.de>
642
643         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
644         marked if the entry identifier is marked.
645
646 2010-05-10  Richard Guenther  <rguenther@suse.de>
647
648         * c-common.c (struct c_common_attributes): Add fnspec attribute.
649         (handle_fnspec_attribute): New function.
650         * gimple.h (gimple_call_return_flags): Declare.
651         (gimple_call_arg_flags): Likewise.
652         * gimple.c (gimple_call_arg_flags): New function.
653         (gimple_call_return_flags): Likewise.
654         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
655         New argument flags.
656         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
657         return value flags.
658         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
659         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
660         main work to ...
661         (make_heapvar_for): ... this new function.
662         (handle_rhs_call): Handle fnspec attribute argument specifiers.
663         (handle_lhs_call): Likewise.
664         (find_func_aliases): Adjust.
665
666 2010-05-10  Richard Guenther  <rguenther@suse.de>
667
668         PR tree-optimization/44050
669         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
670
671 2010-05-10  Wei Guozhi  <carrot@google.com>
672
673         PR target/42879
674         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
675
676 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
677
678         PR c/10676
679         * c-typeck.c (lookup_field): Take a type directly.  Update
680         recursive calls.
681         (build_component_ref): Update call to lookup_field.
682         (set_init_label): Use lookup_field to find initialized field.
683         Handle returned list of fields like a sequence of designators.
684
685 2010-05-09  Richard Guenther  <rguenther@suse.de>
686
687         PR middle-end/44024
688         * fold-const.c (tree_single_nonzero_warnv_p): Properly
689         handle &FUNCTION_DECL.
690
691 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
692
693         PR c/4784
694         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
695         structures and unions recursively.
696         (detect_field_duplicates): Move duplicate detection with a hash to
697         detect_field_duplicates_hash.  Always use a hash if anonymous
698         structures or unions are present.
699         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
700         give errors.
701
702 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
703
704         PR target/44046
705         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
706         detect Atom, Core 2 and Core i7.
707
708 2010-05-09  Richard Guenther  <rguenther@suse.de>
709
710         * gcc.c (store_arg): Handle temporary file deletion for
711         joined arguments.
712
713 2010-05-09  Richard Guenther  <rguenther@suse.de>
714
715         PR middle-end/44043
716         * ipa-inline.c (estimate_function_body_sizes): Return after
717         disregarding inline limits.
718
719 2010-05-09  Richard Guenther  <rguenther@suse.de>
720
721         * gcc.c (store_arg): Revert last change.
722
723 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
724
725         PR middle-end/28685
726         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
727         (optimize_ops_list): Call it.
728
729 2010-05-08  Richard Guenther  <rguenther@suse.de>
730
731         PR tree-optimization/44030
732         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
733         NECESSARY flag if we propagate from a inserted expression.
734
735 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
736
737         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
738         domain types as equal if they are both PLACEHOLDER_EXPRs.
739
740 2010-05-08  Richard Guenther  <rguenther@suse.de>
741
742         * lto-wrapper.c (run_gcc): Remove linker output from
743         command line for LTRANS invocation.
744
745 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
746
747         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
748         lto-macho as lto_binary_reader.
749         * target.h (struct gcc_target): New hooks lto_start and lto_end.
750         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
751         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
752         in lto_start and lto_end calls.
753         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
754         magic numbers.
755         (scan_prog_file): Update is_elf_or_coff call.
756         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
757
758         * collect2.c (main): Fix enum comparison.
759
760         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
761         Add prototypes.
762         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
763         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
764         and TARGET_ASM_LTO_END.
765         * darwin.c: Include obstack.h and lto-streamer.h.
766         (lto_section_names_offset, lto_section_names_obstack,
767         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
768         global variables.
769         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
770         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
771         to a temporary file.
772         (darwin_asm_lto_end): New function.  Restore asm_out_file.
773         (darwin_asm_named_section): For LTO sections, replace the name with
774         the offset of the section name in a string table, and build this
775         table.
776         (darwin_file_start): Initialize global vars for LTO support.
777         (darwin_file_end): If output to asm_out_file was redirected, append it
778         to the proper asm_out_file here.  Add the section names section.
779
780 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
781
782         * c-pragma.c (pending_weak_d, pending_weak): New.
783         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
784         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
785         handle_pragma_weak): Update the uses of pending_weaks.
786
787 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
788
789         PR documentation/44016
790         * doc/standards.texi (Standards): Link to unversioned
791         cxx0x_status.html page.
792
793 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
794
795         PR target/43708
796         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
797         in addition to TREE_USED, to avoid "set but unused" warnings.
798
799 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
800
801         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
802         (is_loop_prefetching_profitable): Do not insert prefetches
803         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
804         times the prefetch ahead distance.
805
806 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
807
808         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
809         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
810         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
811         the unroll_factor.
812
813 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
814
815         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
816         a diagnostic info when the insn-to-mem ratio is too small.
817
818 2010-05-07  Richard Guenther <rguenther@suse.de>
819
820         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
821         the linker plugin.
822         (store_arg): Queue temp_filename for deletion instead of
823         the whole argument.
824
825 2010-05-07  Richard Guenther  <rguenther@suse.de>
826
827         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
828         (run_gcc): Handle LTRANS phase invocation.
829         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
830
831 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
832
833         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
834         this is also meaningful on PARM_DECLs and RESULT_DECLs.
835
836 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
837
838         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
839
840 2010-05-07  Richard Guenther  <rguenther@suse.de>
841
842         PR tree-optimization/44020
843         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
844         code when PRE is not yet initialized.
845
846 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
847
848         * config/mips/dbxmdebug.h: Remove.
849         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
850
851 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
852
853         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
854         with null pointer and also warn about ordered comparison of zero with
855         pointer if -Wextra.
856
857 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
858
859         * graphite-blocking.c
860         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
861         * graphite-clast-to-gimple.c
862         (clast_to_gcc_expression): Same.
863         (precision_for_value): Same.
864         (precision_for_interval): Same.
865         (gcc_type_for_interval): Same.
866         (graphite_create_new_guard): Same.
867         (compute_bounds_for_level): Same.
868         (graphite_create_new_loop_guard): Same.
869         * graphite-interchange.c
870         (build_linearized_memory_access): Same.
871         (pdr_stride_in_loop): Same.
872         (memory_strides_in_loop_1): Same.
873         (memory_strides_in_loop): Same.
874         (extend_scattering): Same.
875         (psct_scattering_dim_for_loop_depth): Same.
876         (pbb_number_of_iterations): Same.
877         * graphite-poly.h
878         (debug_iteration_domains): Same.
879         * graphite-ppl.c
880         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
881         (ppl_set_inhomogeneous_gmp): Same.
882         (ppl_strip_loop): Same.
883         (ppl_lexico_compare_linear_expressions): Same.
884         (ppl_read_polyhedron_matrix): Same.
885         (ppl_max_for_le_pointset): Same.
886         * graphite-ppl.h
887         (ppl_read_polyhedron_matrix): Same.
888         (tree_int_to_gmp): Same.
889         (gmp_cst_to_tree): Same.
890         (ppl_set_inhomogeneous): Same.
891         (ppl_set_inhomogeneous_tree): Same.
892         (ppl_set_coef): Same.
893         (ppl_set_coef_tree): Same.
894         * graphite-sese-to-poly.c
895         (build_pbb_scattering_polyhedrons): Same.
896         (build_scop_scattering): Same.
897         (scan_tree_for_params_right_scev): Same.
898         (scan_tree_for_params): Same.
899         (find_params_in_bb): Same.
900         (find_scop_parameters): Same.
901         (add_upper_bounds_from_estimated_nit): Same.
902         (build_loop_iteration_domains): Same.
903         (add_condition_to_domain): Same.
904         (pdr_add_memory_accesses): Same.
905
906 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
907
908         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
909         CLooG's value_* macros to their respective mpz_* counterparts.
910         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
911         (graphite_create_new_loop_guard): Same.
912         * graphite-interchange.c (build_linearized_memory_access): Same.
913         (pdr_stride_in_loop): Same.
914         (memory_strides_in_loop_1): Same.
915         (1st_interchange_profitable_p): Same.
916         * graphite-poly.c (extend_scattering): Same.
917         (psct_scattering_dim_for_loop_depth): Same.
918         (pbb_number_of_iterations): Same.
919         (pbb_number_of_iterations_at_time): Same.
920         * graphite-poly.h (new_1st_loop): Same.
921         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
922         (oppose_constraint): Same.
923         (insert_constraint_into_matrix): Same.
924         (ppl_set_inhomogeneous_gmp): Same.
925         (ppl_set_coef_gmp): Same.
926         (ppl_strip_loop): Same.
927         (ppl_lexico_compare_linear_expressions): Same.
928         (ppl_max_for_le_pointset): Same.
929         (ppl_min_for_le_pointset): Same.
930         (ppl_build_realtion): Same.
931         * graphite-ppl.h (gmp_cst_to_tree): Same.
932         (ppl_set_inhomogeneous): Same.
933         (ppl_set_inhomogeneous_tree): Same.
934         (ppl_set_coef): Same.
935         (ppl_set_coef_tree): Same.
936         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
937         (build_scop_scattering): Same.
938         (add_value_to_dim): Same.
939         (scan_tree_for_params_right_scev): Same.
940         (scan_tree_for_params_int): Same.
941         (scan_tree_for_params): Same.
942         (find_params_in_bb): Same.
943         (find_scop_parameters): Same.
944         (add_upper_bounds_from_estimated_nit): Same.
945         (build_loop_iteration_domains): Same.
946         (create_linear_expr_from_tree): Same.
947         (add_condition_to_domain): Same.
948         (pdr_add_memory_accesses): Same.
949
950 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
951             Jason Merrill  <jason@redhat.com>
952
953         * c-common.c (c_common_reswords): Add nullptr.
954         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
955         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
956         (gen_type_die_with_usage): Likewise.
957         * dbxout.c (dbxout_type): Likewise.
958         * sdbout.c (plain_type_1): Likewise.
959
960 2010-05-06  Jason Merrill  <jason@redhat.com>
961
962         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
963         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
964         ret appropriately.
965         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
966
967         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
968         stripping WITH_SIZE_EXPR.
969         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
970         change.
971
972 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
973
974         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
975         list of obsolete configurations.
976         Disabled check for obsolete configurations.
977         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
978         Removed support for previous versions.
979         * config/mips/iris.h: Removed.
980         * config/mips/iris5.h: Removed.
981         * config/mips/iris6.h: Merged old iris.h contents.
982         (TARGET_IRIX): Removed.
983         (DRIVER_SELF_SPECS): Removed mabi=32.
984         (IDENT_ASM_OP): Removed undef.
985         (STARTFILE_SPEC): Removed mabi=32.
986         (ENDFILE_SPEC): Likewise.
987         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
988         (MACHINE_TYPE): Update for IRIX 6.5.
989         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
990         TARGET_IRIX by TARGET_IRIX6.
991         (mips_file_start): Likewise.
992         (mips_output_external): Remove IRIX 5/6 O32 support.
993         (mips_output_function_prologue): Likewise.
994         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
995         TARGET_IRIX6.
996         (TARGET_CPU_CPP_BUILTINS): Likewise.
997         (TARGET_IRIX): Removed.
998         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
999         (MULTILIB_DIRNAMES): Removed 32.
1000         (MULTILIB_OSDIRNAMES): Removed ../lib.
1001         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1002         (Specific, mips-sgi-irix5): Document removal.
1003         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1004         Remove references to older IRIX 6 releases and the O32 ABI.
1005
1006 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR bootstrap/43994
1009         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1010         instead of DF_REF_REAL_REG.
1011
1012 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1013
1014         PR target/43888
1015         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1016         handling to still return true for x64 targets.
1017
1018 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1019
1020         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1021
1022 2010-05-06  Jan Hubicka  <jh@suse.cz>
1023
1024         PR tree-optimization/43791
1025         * ipa-inline.c (update_caller_keys): Remove bogus
1026         disregard_inline_limits check.
1027
1028 2010-05-06  Michael Matz  <matz@suse.de>
1029
1030         PR tree-optimization/43984
1031         * tree-ssa-pre.c (inserted_phi_names): Remove.
1032         (inserted_exprs): Change to bitmap.
1033         (create_expression_by_pieces): Set bits, don't append to vector.
1034         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1035         (eliminate): Don't look at inserted_phi_names, remove deleted
1036         insns from inserted_exprs.
1037         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1038         (init_pre, fini_pre): Allocate and free bitmaps.
1039         (execute_pre): Insert insns on edges before elimination.
1040
1041 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1042
1043         * tree.c (initializer_zerop): Handle STRING_CST.
1044
1045 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1046
1047         PR 40989
1048         * doc/invoke.texi (Wimplicit): Document as C only.
1049         * opts.c (common_handle_option): Add argument kind.
1050         (handle_option): Rename as read_cmdline_option. Factor out code to...
1051         (handle_option): ... here. New.
1052         (handle_options): Rename as read_cmdline_options.
1053         (decode_options): Update call.
1054         (set_option): Use option index instead of option pointer. Classify
1055         diagnostics correctly.
1056         (enable_warning_as_error): Call handle_option.
1057         * opts.h (set_option): Update declaration.
1058         (handle_option): Declare.
1059         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1060         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1061         * c-opts.c (set_Wimplicit): Delete.
1062         (c_family_lang_mask): New static constant.
1063         (c_common_handle_option): Add argument kind. Use handle_option
1064         instead of set_Wimplicit.
1065         (c_common_post_options): warn_implicit and warn_implicit_int
1066         are disabled by default.
1067         * c-common.c (warn_implicit): Do not define here.
1068         * c-common.h (warn_implicit): Do not declare here.
1069         (c_common_handle_option): Update declaration.
1070         * lto-opts.c (lto_reissue_options): Update call to set_option.
1071
1072 2010-05-06  Richard Guenther  <rguenther@suse.de>
1073
1074         PR tree-optimization/43571
1075         * domwalk.c (walk_dominator_tree): Walk the dominator
1076         sons in more optimal order.
1077
1078 2010-05-06  Richard Guenther  <rguenther@suse.de>
1079
1080         PR tree-optimization/43934
1081         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1082         (stmt_cost): Likewise.
1083         (extract_true_false_args_from_phi): New helper.
1084         (determine_max_movement): For PHI nodes verify we can hoist them
1085         and compute their cost.
1086         (determine_invariantness_stmt): Handle PHI nodes.
1087         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1088         if-converted form using COND_EXPRs.
1089         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1090         (tree_ssa_lim): Likewise.
1091         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1092         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1093
1094 2010-05-06  Richard Guenther  <rguenther@suse.de>
1095
1096         PR tree-optimization/43987
1097         * tree-ssa-structalias.c (could_have_pointers): For possibly
1098         address-taken variables force pointers to be recorded.
1099         (create_variable_info_for_1): Likewise.
1100         (push_fields_onto_fieldstack): Pass in wheter all fields
1101         must have pointers.
1102         (find_func_aliases): Query types instead of vars whether
1103         they contain pointers where appropriate.
1104
1105 2010-05-06  Jan Hubicka  <jh@suse.cz>
1106
1107         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1108         (record_reference, mark_address, mark_load, mark_store): Record
1109         references.
1110         (record_references_in_initializer): Update call of record_references.
1111         (rebuild_cgraph_edges): Remove all references before rebuiding.
1112         * cgraph.c (cgraph_create_node): Clear ref list.
1113         (cgraph_remove_node): Remove references.
1114         (dump_cgraph_node): Dump references.
1115         (cgraph_clone_node): Clone references.
1116         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1117         (struct cgraph_node, varpool_node): Add ref_lst.
1118         * ipa-ref.c: New file.
1119         * ipa-ref.h: New file.
1120         * ipa-ref-inline.h: New file.
1121         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1122         (referenced_from_other_partition_p): New function.
1123         (lto_output_varpool_node): Take set arugment; call
1124         referenced_from_other_partition.
1125         (lto_output_ref): New.
1126         (add_references): New.
1127         (output_refs): New.
1128         (output_cgraph): Compute boundary based on references; output refs.
1129         (output_varpool): Accept cgraph_node_set argument.
1130         (input_ref): New.
1131         (input_refs): New.
1132         (input_cgraph): Call input_refs.
1133         * lto-section-in.c (lto_section_name): Add refs.
1134         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1135         (ipa-ref.o): New file.
1136         * varpool.c (varpool_node): Clear ipa ref list.
1137         (varpool_remove_node): Remove references.
1138         (dump_varpool_node): Dump references.
1139         (varpool_assemble_decl): Only compile finalized ones.
1140         (varpool_extra_name_alias): Initialize ref list.
1141         * lto-streamer.c (lto-get_section_name): Add .refs section.
1142         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1143         (referenced_from_other_partition_p): Declared.
1144
1145 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1146
1147         PR tree-optimization/43901
1148         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1149         type is not NULL if it's transformation phase, and return
1150         FALSE if it's analysis.
1151         (vectorizable_conversion, vectorizable_operation,
1152         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1153
1154 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1155
1156         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1157         Delete.
1158         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1159         New define.
1160         * config/mips/mips-protos.h
1161         (mips_small_register_classes_for_mode_p): Delete prototype.
1162
1163 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1164
1165         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1166         * config/arm/arm.c (multiple_operation_profitable_p,
1167         compute_offset_order): New static functions.
1168         (load_multiple_sequence, store_multiple_sequence): Use them.
1169         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1170         memory offsets, not register numbers.
1171         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1172
1173 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1174
1175         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1176         (get_pending_sizes, put_pending_size, put_pending_sizes):
1177         Update the uses of pending_sizes.
1178         * c-decl.c (store_parm_decls): Likewise.
1179         * c-tree.h (struct c_arg_info): Likewise.
1180         * tree.h: Update the prototype for get_pending_sizes and
1181         put_pending_sizes.
1182
1183 2010-05-05  Jason Merrill  <jason@redhat.com>
1184
1185         PR debug/43370
1186         * c-common.c (handle_aligned_attribute): Respect
1187         ATTR_FLAG_TYPE_IN_PLACE.
1188
1189         PR testsuite/43758
1190         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1191         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1192         (TARGET_INITIALIZER): Use it.
1193         * c-common.c (attribute_takes_identifier_p): Call it.
1194         * c-common.h: Update prototype.
1195         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1196         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1197
1198 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1199
1200         PR debug/43950
1201         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1202         DW_ID_down_case for Fortran compilation units.
1203
1204 2010-05-05  Jan Hubicka  <jh@suse.cz>
1205
1206         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1207         handle aliases.
1208
1209 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1210
1211         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1212         a variable-sized RESULT_DECL.
1213
1214 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1215
1216         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1217
1218 2010-05-05  Jason Merrill  <jason@redhat.com>
1219
1220         PR c++/43787
1221         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1222         returns GS_OK.
1223         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1224
1225 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1226             Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR debug/43478
1229         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1230         (dead_debug_init, dead_debug_finish): New functions.
1231         (dead_debug_add, dead_debug_insert_before): Likewise.
1232         (df_note_bb_compute): Initialize a dead_debug object, add dead
1233         debug uses to it, insert debug bind insns before death insns,
1234         reset debug insns that refer to pending uses at the end.
1235         * rtl.h (make_debug_expr_from_rtl): New prototype.
1236         * varasm.c (make_debug_expr_from_rtl): New function.
1237
1238 2010-05-05  Jan Hubicka  <jh@suse.cz>
1239
1240         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1241         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1242         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1243         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1244         lto_varpool_encoder_encode_initializer_p,
1245         lto_set_varpool_encoder_encode_initializer): New functions.
1246         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1247         call output_varpool.
1248         (input_varpool_node): Do not always set analyzed.
1249         (input_cgraph_1): Return vector of cgraph nodes.
1250         (input_varpool_1): Return vector of varpools.
1251         (input_cgraph): Free the vectors.
1252         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1253         output only initializers needed.
1254         (lto_output): Only call output_cgraph.
1255         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1256         * lto-section-out.c (lto_new_out_decl_state): Initialize
1257         state->varpool_node_encoder.
1258         * lto-streamer.h (lto_varpool_encoder_d): New.
1259         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1260         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1261         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1262         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1263         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1264         Declare.
1265         (output_varpool, input_varpool): Remove declarations.
1266
1267 2010-05-05  Jan Hubicka  <jh@suse.cz>
1268
1269         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1270         with body can prevail.
1271
1272 2010-05-05  Jan Hubicka  <jh@suse.cz>
1273
1274         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1275         size.
1276
1277 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1278
1279         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1280
1281         * gengtype.h (erro_at_line): Constify pos argument.
1282
1283         * gengtype.c: Include hashtab.h.
1284         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1285         (error_at_line): Constify pos argument.
1286         (do_typedef): Initialize p->opt field.
1287         (get_file_gtfilename): Fix comment typo.
1288         (struct walk_type_data): Constify line field.
1289         (get_output_file_for_structure): New function.
1290         (write_local_func_for_structure): Constify orig_s argument.
1291         Use get_output_file_for_structure.
1292         (write_func_for_structure): Use get_output_file_for_structure.
1293         (INDENT): New define.
1294         (dump_pair, dump_type, dump_type_list, dump_typekind)
1295         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1296         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1297         functions.
1298         (seen_types): New variable.
1299         (main): New variable do_dump.  Process "-d" command line option.
1300         Call dump_everything if dump requested.
1301
1302 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1303
1304         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1305         in a temporary instead of invoking the macro multiple times.
1306         (track_expr_p): Likewise.
1307
1308 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1309
1310         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1311         per new semantics.
1312         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1313         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1314         conditions for printing notes.
1315         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1316         true, update documentation.
1317         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1318
1319 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1320
1321         PR c/43981
1322         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1323         on dimen.
1324
1325 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1326
1327         PR target/43799
1328         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1329         (*sse_prologue_save_insn1): Likewise.
1330         (SSE prologue save splitter): Likewise.
1331
1332 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1333
1334         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1335         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1336         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1337         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1338         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1339         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1340         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1341
1342 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1343
1344         * tree-sra.c (build_access_from_expr_1): The first parameter type
1345         changed to simple tree.
1346         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1347         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1348         renamed as well.
1349         (build_accesses_from_assign): Removed all parameters except for a
1350         simple gimple statement.  Now returns a simple bool.
1351         (scan_function): All non-analysis parts moved to separate functions
1352         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1353         parameters and updated both callers.
1354         (sra_modify_expr): Removed parameter data.
1355         (sra_modify_function_body): New function.
1356         (perform_intra_sra): Call sra_modify_function_body to modify the
1357         function body.
1358         (replace_removed_params_ssa_names): Parameter data changed into
1359         adjustments vector.
1360         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1361         changed the parameter dont_convert to convert with the opposite
1362         meaning.
1363         (sra_ipa_modify_assign): Parameter data changed into adjustments
1364         vector, return value changed to bool.
1365         (ipa_sra_modify_function_body): New function.
1366         (sra_ipa_reset_debug_stmts): Updated a comment.
1367         (modify_function): Use ipa_sra_modify_function_body to modify function
1368         body.
1369
1370 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1371
1372         PR middle-end/43671
1373         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1374         (canon_true_dependence): Likewise.
1375         (write_dependence_p): Likewise.
1376
1377 2010-05-04  Jan Hubicka  <jh@suse.cz>
1378
1379         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1380         * cgraphbuild.c: Include ipa-utils.h
1381         (record_reference_ctx): New struct.
1382         (record_reference): Simplify to work on initializers; not statements.
1383         (mark_address, mark_load, mark_store): New.
1384         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1385         walk PHI nodes too.
1386         (record_references_in_initializer): Update use of record_reference.
1387         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1388         walk PHI nodes too.
1389
1390 2010-05-04  Jan Hubicka  <jh@suse.cz>
1391
1392         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1393         node will be removed anyway.
1394         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1395         relink aliases of node into prevailing node.
1396         * varpool.c (varpool_remove_node): Remove aliases properly;
1397         when removing node, remove all its aliases too; remove DECL_INITIAL
1398         of removed node; ggc_free the varpool node.
1399
1400 2010-05-04  Richard Guenther  <rguenther@suse.de>
1401
1402         PR tree-optimization/43879
1403         * tree-ssa-structalias.c (alias_get_name): Use
1404         DECL_ASSEMBLER_NAME if available.
1405         (create_function_info_for): Return the varinfo node.
1406         (ipa_pta_execute): Associate same-body aliases and extra names
1407         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1408
1409 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1410
1411         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1412
1413 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1414
1415         PR bootstrap/43964
1416         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1417         only if HONOR_REG_ALLOC_ORDER is not defined.
1418
1419 2010-05-04  Richard Guenther  <rguenther@suse.de>
1420
1421         PR tree-optimization/43949
1422         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1423         TRUNC_MOD_EXPR.
1424
1425 2010-04-26  Jason Merrill  <jason@redhat.com>
1426
1427         * c.opt (-fstrict-enums): New.
1428         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1429
1430 2010-05-03  David Ung <davidu@mips.com>
1431             James E. Wilson  <wilson@codesourcery.com>
1432
1433         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1434         emit the trap instruction before the divide for TUNE_74K.
1435
1436 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1437
1438         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1439         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1440         based on the above, for new target hook.
1441
1442         * hooks.c (hook_bool_mode_true): New generic hook.
1443         * hooks.h (hook_bool_mode_true): Add prototype.
1444
1445         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1446         target hook.
1447         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1448         target hook, set to hook_bool_mode_false.
1449         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1450         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1451         with targetm.small_register_classes_for_mode_p.
1452         (find_reusable_reload): Likewise.
1453         (combine_reloads): Likewise.
1454         * reload1.c (reload_as_needed): Likewise.
1455         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1456         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1457         dead_or_predicable): Likewise.
1458         * regmove.c (optimize_reg_copy_1): Likewise.
1459         * calls.c (prepare_call_address): Likewise.
1460         (precompute_register_parameters): Likewise.
1461
1462         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1463         hook definition.
1464         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1465         implementation of the hook that considers all register classes
1466         small except for SH64.
1467         (sh_override_options): Use the new hook.
1468         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1469         Add prototype.
1470
1471         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1472         hook definition.
1473         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1474         implementation of the hook that considers all register classes
1475         small for THUMB1.
1476         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1477         Add prototype.
1478
1479         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1480         hook definition.
1481         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1482         implementation of the hook that considers all register classes
1483         small for MIPS16.
1484         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1485         Add prototype.
1486
1487         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1488         hook definition.
1489         * config/m32c/m32c.h: Likewise.
1490         * config/pdp11/pdp11.h: Likewise.
1491         * config/avr/avr.h: Likewise.
1492         * config/xtensa/xtensa.h: Likewise.
1493         * config/m68hc11/m68hc11.h: Likewise.
1494         * config/mn10300/mn10300.h: Likewise.
1495         * config/mcore/mcore.h: Likewise.
1496         * config/h8300/h8300.h: Likewise.
1497         * config/bfin/bfin.h: Likewise.
1498
1499         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1500         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1501
1502 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1503
1504         * double-int.h (tree_to_double_int): Remove macro.
1505         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1506         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1507         (tree_to_double_int): New function.
1508         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1509         Move ...
1510         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1511
1512 2010-05-03  Richard Guenther  <rguenther@suse.de>
1513
1514         PR tree-optimization/43971
1515         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1516         constraints in the !flag_delete_null_pointer_checks case.
1517
1518 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1519
1520         PR debug/43972
1521         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1522         result mode matches original rtl mode.
1523
1524 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1525
1526         PR target/43888
1527         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1528
1529 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1530
1531         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1532         when processing flag options.
1533
1534 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1535
1536         * gcov-iov.c (main): Change format string placeholder
1537         from %#08x to 0x%08x.
1538         * genchecksum.c (dosum): Change format string placeholder
1539         from %#02x to 0x%02x.
1540
1541 2010-05-02  Richard Guenther  <rguenther@suse.de>
1542
1543         PR tree-optimization/43879
1544         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1545
1546 2010-05-02  Bruno Haible  <bruno@clisp.org>
1547
1548         * doc/extend.texi (Function Attributes): Fix a typo.
1549
1550 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1551
1552         Revert:
1553         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1554         placeholder from 0x%x to %#x.
1555         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1556         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1557         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1558         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1559         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1560         * config/i386/i386.c (ix86_target_string): Ditto.
1561         * config/i386/i386.c (output_pic_addr_const): Ditto.
1562         (print_operand): Ditto.
1563
1564 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1565
1566         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1567         placeholder from 0x%x to %#x.
1568         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1569         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1570         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1571         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1572         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1573         * optc-gen.awk: Ditto.
1574         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1575         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1576         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1577         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1578
1579 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1580
1581         * target.h (struct calls): Add function_value_regno_p field.
1582         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1583         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1584         * targhooks.c (default_function_value_regno_p): New function.
1585         * targhooks.h (default_function_value_regno_p): Declare function.
1586         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1587         * builtins.c. (apply_result_size): (Ditto.).
1588         * combine.c. (likely_spilled_retval_p): (Ditto.).
1589         * mode-switching.c. Include 'target.h'.
1590         (create_pre_exit): Use function_value_regno_p hook.
1591         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1592         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1593         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1594
1595         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1596         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1597         (ix86_function_value_regno_p): Declare as static, change argument
1598         type to const unsigned int.
1599         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1600
1601 2010-05-01  Richard Guenther  <rguenther@suse.de>
1602
1603         PR tree-optimization/43949
1604         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1605         types.
1606         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1607
1608 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1609
1610         * rtl.h (CONST_DOUBLE_P): Define.
1611         (rtx_to_double_int): Declare.
1612         * emit-rtl.c (rtx_to_double_int): New function.
1613         * dwarf2out.c (insert_double): New function.
1614         (loc_descriptor, add_const_value_attribute): Clean up, use
1615         rtx_to_double_int and insert_double functions.
1616
1617 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1618
1619         * doc/extend.texi (Inline): Add missing return keyword to examples.
1620         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1621         "command-line".
1622
1623 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1624
1625         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1626         the variable part of the offset as well.  Use highest_pow2_factor for
1627         all alignment checks.
1628
1629 2010-04-30  Richard Guenther  <rguenther@suse.de>
1630
1631         PR tree-optimization/43879
1632         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1633         can have pointers.
1634
1635 2010-04-30  Jan Hubicka  <jh@suse.cz>
1636
1637         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1638         varpool.
1639         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1640
1641 2010-04-30  Jan Hubicka  <jh@suse.cz>
1642
1643         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1644         New.
1645         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1646         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1647         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1648         cgraph_node_set_needs_ltrans_p): Remove.
1649
1650 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1651
1652         * sdbout.c: Include vec.h, do not include varray.h.
1653         (deferred_global_decls, sdbout_global_decl,
1654         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1655         * toplev.c: Do not include varray.h.
1656         (dump_memory_report): Do not dump VARRAY statistics.
1657         * gengtype.c (open_base_file): Ignore varray.h.
1658         * Makefile.in: Update for abovementioned changes.
1659         Remove all traces of varray.c and varray.h.
1660         * varray.c: Remove file.
1661         * varray.h: Remove file.
1662
1663 2010-04-30  Jan Hubicka  <jh@suse.cz>
1664
1665         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1666         references.
1667
1668 2010-04-30  Jan Hubicka  <jh@suse.cz>
1669
1670         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1671         needed.
1672
1673 2010-04-30  Richard Guenther  <rguenther@suse.de>
1674
1675         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1676         constraints for CONSTRUCTOR.
1677
1678 2010-04-30  Richard Guenther  <rguenther@suse.de>
1679
1680         PR lto/43946
1681         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1682         first after all lowering passes.
1683
1684 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1685
1686         * toplev.c: Include varray.h for statistics dumping.
1687         * tree.h: Do not declare varray_head_tag.
1688         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1689         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1690         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1691         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1692         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1693         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1694         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1695         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1696         include varray.h.
1697         * Makefile.in: Update for abovementioned changes.
1698
1699 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1700
1701         PR debug/43942
1702         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1703
1704 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1705
1706         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1707         Use this function to do machine-specific conversion.
1708         (picochip_legitimize_reload_address): Likewise.
1709         (picochip_legitimate_address_p): Check valid base register only if
1710         strict.
1711         (picochip_check_conditional_copy): Check for modw only if opnd is
1712         register.
1713         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1714         to call the function in c.
1715         * config/picochip/picochip-protos.h
1716         (picochip_legitimize_reload_address): Define.
1717         * config/picochip/picochip.md (supported_compare1): Define.
1718
1719 2010-04-30  Jan Hubicka  <jh@suse.cz>
1720
1721         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1722         (cgraph_global_info): Remove inlined.
1723         (LTO_cgraph_tag_names): Remove.
1724         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1725         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1726         simplify cgraph tags and document.
1727         (lto_output_node): Use only LTO_cgraph_unavail_node and
1728         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1729         for_functions_valid, global info, process and output flags.
1730         (input_overwrite_node): Initialize estimated stack size and
1731         estimated growth.  Do not read flags we no longer store.
1732         (input_node): Likewise do not read info no longer stored.
1733         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1734         flag.
1735
1736 2010-04-30  Richard Guenther  <rguenther@suse.de>
1737
1738         PR tree-optimization/43879
1739         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1740         handle non-zero initializers.
1741
1742 2010-04-30  Richard Guenther  <rguenther@suse.de>
1743
1744         * builtins.c (fold_builtin_1): Delete free (0).
1745
1746 2010-04-29  Jan Hubicka  <jh@suse.cz>
1747
1748         * gengtype.c (open_base_files): Add lto-streamer.h
1749         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1750         (pass_ipa_cp): GGC collect.
1751         * toplev. (compile_file): Do not output symbols.
1752         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1753         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1754         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1755         * lto-section-in.c: Include ggc.h
1756         (lto_new_in_decl_state): Alloc in GGC.
1757         (lto_delete_in_decl_state): Likewise.
1758         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1759         Collect.
1760
1761 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1762
1763         PR target/42895
1764         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1765         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1766         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1767         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1768         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1769         account only if HONOR_REG_ALLOC_ORDER is not defined.
1770         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1771         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1772
1773 2010-04-29  Jon Grant  <04@jguk.org>
1774
1775         * collect2.c (vflag): Change type from int to bool.
1776         (debug): Likewise.
1777         (helpflag): New global bool.
1778         (main): Set vflag and debug with boolean, not integer truth values.
1779         Accept new "--help" option and output usage text if found.
1780         * collect2.h (vflag): Update prototype.
1781         (debug): Likewise.
1782
1783 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1784
1785         PR bootstrap/43936
1786         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1787
1788 2010-04-29  Richard Guenther  <rguenther@suse.de>
1789
1790         PR bootstrap/43935
1791         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1792         with ATTRIBUTE_UNUSED.
1793
1794 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1795
1796         PR target/43921
1797         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1798         INSN_P with NONDEBUG_INSN_P.
1799         (distance_non_agu_define): Likewise.
1800         (distance_agu_use): Likewise.
1801
1802 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1803
1804         From Dominique d'Humieres <dominiq@lps.ens.fr>
1805         PR bootstrap/43858
1806         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1807         test_set.
1808
1809 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1810
1811         * plugin.h (invoke_plugin_callbacks): New inline function.
1812         * plugin.c (flag_plugin_added): New global flag.
1813         (add_new_plugin): Initialize above flag.
1814         (invoke_plugin_callbacks): Rename to ...
1815         (invoke_plugin_callbacks_full): ... this.
1816
1817 2010-04-28  Jan Hubicka  <jh@suse.cz>
1818
1819         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1820         (lto_varpool_replace_node): New.
1821         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1822         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1823         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1824         * cgraph.h (varpool_node_ptr): New type.
1825         (varpool_node_ptr): New vector.
1826         (varpool_node_set_def): New structure.
1827         (varpool_node_set): New type.
1828         (varpool_node_set): New vector.
1829         (varpool_node_set_element_def): New structure.
1830         (varpool_node_set_element, const_varpool_node_set_element): New types.
1831         (varpool_node_set_iterator): New type.
1832         (varpool_node): Add prev pointers, add used_from_other_partition,
1833         in_other_partition.
1834         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1835         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1836         varpool_get_node, varpool_remove_node): Declare.
1837         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1838         varpool_node_set_size): New inlines.
1839         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1840         * tree-pass.h (varpool_node_set_def): Forward declare.
1841         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1842         (ipa_write_optimization_summaries): Update prototype.
1843         * ipa-cp.c (ipcp_write_summary): Update.
1844         * ipa-reference.c (ipa_reference_write_summary): Update.
1845         * lto-cgraph.c (lto_output_varpool_node): New static function.
1846         (output_varpool): New function.
1847         (input_varpool_node): New static function.
1848         (input_varpool_1): New function.
1849         (input_cgraph): Input varpool.
1850         * ipa-pure-const.c (pure_const_write_summary): Update.
1851         * lto-streamer-out.c (lto_output): Update, output varpool too.
1852         (write_global_stream): Kill WPA hack.
1853         (produce_asm_for_decls): Update.
1854         (output_alias_pair_p): Handle variables.
1855         (output_unreferenced_globals): Output only needed partition of varpool.
1856         * ipa-inline.c (inline_write_summary): Update.
1857         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1858         cgraph.
1859         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1860         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1861         varpool_node_set_new, varpool_node_set_add,
1862         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1863         debug_varpool_node_set): New functions.
1864         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1865         (execute_one_pass): Process new decls too.
1866         (ipa_write_summaries_2): Pass around vsets.
1867         (ipa_write_summaries_1): Likewise.
1868         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1869         to add.
1870         (ipa_write_optimization_summaries_1): Pass around vsets.
1871         (ipa_write_optimization_summaries): Likewise.
1872         * varpool.c (varpool_get_node): New.
1873         (varpool_node): Update doubly linked lists.
1874         (varpool_remove_node): New.
1875         (dump_varpool_node): More dumping.
1876         (varpool_enqueue_needed_node): Update doubly linked lists.
1877         (decide_is_variable_needed): Kill ltrans hack.
1878         (varpool_finalize_decl): Kill lto hack.
1879         (varpool_assemble_decl): Skip decls in other partitions.
1880         (varpool_assemble_pending_decls): Update doubly linkes lists.
1881         (varpool_empty_needed_queue): Likewise.
1882         (varpool_extra_name_alias): Likewise.
1883         * lto-streamer.c (lto_get_section_name): Add vars section.
1884         * lto-streamer.h (lto_section_type): Update.
1885         (output_varpool, input_varpool): Declare.
1886
1887 2010-04-28  Mike Stump  <mikestump@comcast.net>
1888
1889         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1890
1891 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1892
1893         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1894         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1895         (lto_input_ts_type_tree_pointers): Likewise.
1896         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1897         (lto_output_ts_type_tree_pointers): Likewise.
1898
1899 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1900
1901         Uniquization of constants at the Tree level
1902         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1903         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1904         bit to the end.
1905         (tree_output_constant_def): Declare.
1906         * gimplify.c (gimplify_init_constructor): When using block copy, first
1907         uniquize the constant constructor on the RHS.
1908         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1909         DECL_IN_CONSTANT_POOL flag.
1910         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1911         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1912         constant pool.
1913         (assemble_variable): Deal with symbols belonging to the tree constant
1914         pool.
1915         (get_constant_section): Add ALIGN parameter and simplify.
1916         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1917         (assemble_constant_contents): Use the expression of the VAR_DECL.
1918         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1919         (tree_output_constant_def): New global function.
1920         (mark_constant): Use the expression of the VAR_DECL.
1921         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1922         its expression.
1923         (output_object_block): Likewise and assemble the expression.
1924
1925 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1926
1927         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1928         hash_tree, eq_tree): New tree hash table.
1929         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1930         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1931         lto_orig_address_remove): Reimplement.
1932
1933 2010-04-28  Xinliang David Li  <davidxl@google.com>
1934
1935         PR c/42643
1936         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1937         (compute_uninit_opnds_pos): New function.
1938         (is_non_loop_exit_postdominating): New function.
1939         (compute_control_dep_chain): New function.
1940         (find_pdom): New function.
1941         (convert_control_dep_chain_into_preds): New function.
1942         (find_predicates): New function.
1943         (find_control_equiv_block): New function.
1944         (collect_phi_def_edges): New function.
1945         (find_def_preds): New function.
1946         (find_dom): New function.
1947         (dump_predicates): New function.
1948         (get_cmp_code): New function.
1949         (is_value_included_in): New function.
1950         (find_matching_predicate_in_rest_chains): New function.
1951         (use_pred_not_overlap_with_undef_path_pred): New function.
1952         (is_use_properly_guarded): New function.
1953         (normalize_cond_1): New function.
1954         (is_and_or_or): New function.
1955         (normalize_cond): New function.
1956         (is_gcond_subset_of): New function.
1957         (is_subset_of_any): New function.
1958         (is_or_set_subset_of): New function.
1959         (is_and_set_subset_of): New function.
1960         (is_norm_cond_subset_of): New function.
1961         (is_pred_expr_subset_of): New function.
1962         (is_pred_chain_subset_of): New function.
1963         (is_included_in): New function.
1964         (is_superset_of): New function.
1965         (find_uninit_use): New function.
1966         (warn_uninitialized_phi): New function.
1967         (compute_possibly_undefined_names): New function.
1968         (ssa_undefined_value_p): New function.
1969         (execute_late_warn_uninitialized): New function.
1970         * tree-ssa.c (ssa_undefined_value_p): Removed.
1971         (warn_uninit): Changed to extern.
1972         (warn_uninitialized_phi): Removed.
1973         (warn_uninitialized_vars): Changed to extern.
1974         (execute_late_warn_uninitialized): Removed
1975         * tree-flow.h: Add new prototypes.
1976         * timevar.def: Add new time variable.
1977         * Makefile.in: Add new build file.
1978
1979 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1980
1981         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1982         type if available.
1983
1984 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1985
1986         PR target/22224
1987         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1988
1989 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1990
1991         * cgraph.h (struct cgraph_node): New field indirect_calls.
1992         (struct cgraph_indirect_call_info): New type.
1993         (struct cgraph_edge): Removed field indirect_call. New fields
1994         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1995         (cgraph_create_indirect_edge): Declare.
1996         (cgraph_make_edge_direct): Likewise.
1997         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1998         * ipa-prop.h (struct ipa_param_call_note): Removed.
1999         (struct ipa_node_params): Removed field param_calls.
2000         (ipa_create_all_structures_for_iinln): Declare.
2001         * cgraph.c: Described indirect edges and uids in initial comment.
2002         (cgraph_add_edge_to_call_site_hash): New function.
2003         (cgraph_edge): Search also among the indirect edges, use
2004         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2005         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2006         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2007         site hash.
2008         (initialize_inline_failed): Assign a reason to indirect edges.
2009         (cgraph_create_edge_1): New function.
2010         (cgraph_create_edge): Moved some functionality to
2011         cgraph_create_edge_1.
2012         (cgraph_create_indirect_edge): New function.
2013         (cgraph_edge_remove_callee): Add an assert checking for
2014         non-indirectness.
2015         (cgraph_edge_remove_caller): Special-case indirect edges.
2016         (cgraph_remove_edge): Likewise.
2017         (cgraph_set_edge_callee): New function.
2018         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2019         (cgraph_make_edge_direct): New function.
2020         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2021         the declaration of the call statement matches.
2022         (cgraph_node_remove_callees): Special-case indirect edges.
2023         (cgraph_clone_edge): Likewise.
2024         (cgraph_clone_node): Clone also the indirect edges.
2025         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2026         indirect_call, dump count of indirect_calls edges.
2027         * ipa-prop.c (iinlining_processed_edges): New variable.
2028         (ipa_note_param_call): Create indirect edges instead of
2029         creating notes.  New parameter node.
2030         (ipa_analyze_call_uses): New parameter node, pass it on to
2031         ipa_note_param_call.
2032         (ipa_analyze_stmt_uses): Likewise.
2033         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2034         (print_edge_addition_message): Work on edges rather than on notes.
2035         (update_call_notes_after_inlining): Likewise, renamed to
2036         update_indirect_edges_after_inlining.
2037         (ipa_create_all_structures_for_iinln): New function.
2038         (ipa_free_node_params_substructures): Do not free notes.
2039         (ipa_edge_duplication_hook): Propagate bits within
2040         iinlining_processed_edges bitmap.
2041         (ipa_node_duplication_hook): Do not duplicate notes.
2042         (free_all_ipa_structures_after_ipa_cp): Renamed to
2043         ipa_free_all_structures_after_ipa_cp.
2044         (free_all_ipa_structures_after_iinln): Renamed to
2045         ipa_free_all_structures_after_iinln.
2046         (ipa_write_param_call_note): Removed.
2047         (ipa_read_param_call_note): Removed.
2048         (ipa_write_indirect_edge_info): New function.
2049         (ipa_read_indirect_edge_info): Likewise.
2050         (ipa_write_node_info): Do not stream notes, do stream information
2051         in indirect edges.
2052         (ipa_read_node_info): Likewise.
2053         (lto_ipa_fixup_call_notes): Removed.
2054         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2055         * ipa-inline.c (pass_ipa_inline): Likewise.
2056         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2057         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2058         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2059         is_gimple_call.
2060         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2061         edges.
2062         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2063         (output_cgraph): Stream also indirect edges.
2064         (lto_output_edge): Added capability to stream indirect edges.
2065         (input_edge): Likewise.
2066         (input_cgraph_1): Likewise.
2067         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2068         of indirect edges.
2069
2070 2010-04-28  Richard Guenther  <rguenther@suse.de>
2071
2072         PR tree-optimization/43879
2073         PR tree-optimization/43909
2074         * tree-ssa-structalias.c (struct variable_info): Add
2075         only_restrict_pointers flag.
2076         (new_var_info): Initialize it.  Increment stats.total_vars here.
2077         (create_function_info_for): Do not increment stats.total_vars here.
2078         (get_function_part_constraint): Fix build with C++.
2079         (insert_into_field_list): Remove.
2080         (push_fields_onto_fieldstack): Properly merge fields.
2081         (create_variable_info_for): Split and simplify.
2082         (create_variable_info_for_1): New piece.
2083         (intra_create_variable_infos): Properly make restrict constraints
2084         from parameters.
2085
2086 2010-04-28  Richard Guenther  <rguenther@suse.de>
2087
2088         PR c++/43880
2089         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2090
2091 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2092             Jan Hubicka <hubicka@ucw.cz>
2093
2094         * doc/invoke.texi (-Wsuggest-attribute=const,
2095         -Wsuggest-attribute=pure): Document.
2096         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2097         (function_always_visible_to_compiler_p,
2098         suggest_attribute, warn_function_pure, warn_function_const):
2099         New functions.
2100         (check_call): Improve debug info.
2101         (analyze_function): Do not check availability.
2102         (add_new_function): Check availability.
2103         (propagate): Output warnings.
2104         (skip_function_for_local_pure_const): New function.
2105         (local_pure_const): Use it; output warnings.
2106         * common.opt (Wsuggest-attribute=const,
2107         Wsuggest-attribute=pure): New.
2108
2109 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2110
2111         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2112         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2113         or DW_CFA_def_cfa_offset{,_sf}.
2114
2115 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2116
2117         * tree.h: Fix truncated long macros.
2118
2119 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2120
2121         * collect2.c (TARGET_64BIT): Redefine to target's default.
2122         * tlink.c: Likewise.
2123         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2124         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2125         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2126         for underscoring __USER_LABEL_PREFIX__.
2127         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2128         (SUB_LINK_ENTRY32): New.
2129         (SUB_LINK_ENTRY64): New.
2130         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2131         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2132         (SUB_LINK_ENTRY64): New.
2133         (SUB_LINK_ENTRY): New.
2134         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2135         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2136         x64 target is choosen.
2137         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2138         * configure: Regenerated.
2139         * configure.ac (leading-mingw64-underscores): Option added.
2140
2141 2010-04-27  Jan Hubicka  <jh@suse.cz>
2142
2143         * doc/invoke.texi (-fipa-profile): Document.
2144         * opts.c (decode_options): Enable ipa-profile at -O1.
2145         * timevar.def (TV_IPA_PROFILE): Define.
2146         * common.opt (fipa-profile): Add.
2147         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2148         flag for clones.
2149         (cgraph_propagate_frequency): Handle only local ones.
2150         * tree-pass.h (pass_ipa_profile): Declare.
2151         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2152         (pass_ipa_profile): Use TV_IPA_PROFILE.
2153         * ipa.c (ipa_profile): New function.
2154         (gate_ipa_profile): Likewise.
2155         (pass_ipa_profile): New global variable.
2156         * passes.c (pass_ipa_profile): New.
2157
2158 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2159
2160         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2161
2162 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2163
2164         PR middle-end/43812
2165         * ipa.c (dissolve_same_comdat_group_list): New function.
2166         (function_and_variable_visibility): Call
2167         dissolve_same_comdat_group_list when comdat group contains external or
2168         newly local nodes.
2169         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2170         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2171
2172 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2173
2174         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2175         (const_hash_1) <VECTOR_CST>: New case.
2176         (compare_constant) <VECTOR_CST>: Likewise.
2177         <ADDR_EXPR>: Deal with LABEL_REFs.
2178         (copy_constant) <VECTOR_CST>: New case.
2179
2180 2010-04-27  Jan Hubicka  <jh@suse.cz>
2181
2182         * cgraph.c (cgraph_propagate_frequency): New function.
2183         * cgraph.h (cgraph_propagate_frequency): Declare.
2184         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2185         cgraph_propagate_frequency.
2186
2187 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2188
2189         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2190
2191 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2192
2193         PR target/40657
2194         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2195         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2196         here to determine which regs to push and how much stack to reserve.
2197
2198 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2199
2200         * doc/gimple.texi (gimple_statement_with_ops): Remove
2201         addresses_taken field.
2202         (gimple_statement_with_memory_ops): Likewise.
2203
2204 2010-04-27  Jan Hubicka  <jh@suse.cz>
2205
2206         * tree-inline.c (eni_inlining_weights): Remove.
2207         (estimate_num_insns): Special case more builtins.
2208
2209 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2210
2211         PR c/32207
2212         * c-typeck.c (build_binary_op): Move forward check for comparison
2213         pointer with null pointer constant and adjust the diagnostic message.
2214
2215 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2216
2217         PR lto/42776
2218         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2219         binutils supports extended .section directive needed by LTO, or
2220         warn if older binutils found.
2221         (LTO_BINARY_READER): New AC_SUBST'd variable.
2222         (LTO_USE_LIBELF): Likewise.
2223         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2224         variable.
2225         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2226         (LTO_USE_LIBELF): Likewise.
2227         * configure: Regenerate.
2228
2229         * collect2.c (is_elf): Rename from this ...
2230         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2231          object files in addition to ELF-formatted ones.
2232         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2233         symbol to be prefixed or not by an extra underscore.
2234
2235         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2236         * config/i386/winnt.c: Also #include lto-streamer.h
2237         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2238         LTO named sections.
2239         (i386_pe_asm_output_aligned_decl_common): Add comment.
2240         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2241
2242 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2243
2244         PR target/43889
2245         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2246         Add missing earlyclobber for second alternative.
2247
2248 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2249
2250         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2251         bits for artificial defs at the top of the block.
2252         * fwprop.c (single_def_use_enter_block): Don't call it.
2253
2254 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2255
2256         PR 43715
2257         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2258         instead of "$gcc_cv_objdump -T".
2259         Use "-undefined dynamic_lookup" on darwin.
2260         * gcc/configure: Regenerate.
2261
2262 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2263
2264         PR c/43893
2265         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2266
2267 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2268
2269         * c-parser.c (struct c_token): Move location field up.
2270         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2271         (struct c_declspecs): Convert typespec_word, storage_class, and
2272         default_int_p into bitfields.
2273         (struct c_declarator): Move loc field up.
2274
2275 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2276
2277         * cfgloop.h (struct loop): Move can_be_parallel field up.
2278         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2279         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2280         down.
2281         (struct iv_cand): Convert pos field into a bitfield.
2282         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2283         field up.
2284         (struct _stmt_vec_info): Shuffle fields for better packing.
2285
2286 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2287
2288         * varasm.c (IN_NAMED_SECTION): Remove guard.
2289         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2290         (IN_NAMED_SECTION_P): ...this.
2291         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2292         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2293
2294 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2295
2296         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2297         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2298         of shadowing it.  Fix comments.
2299
2300 2010-04-26  Jan Hubicka  <jh@suse.cz>
2301
2302         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2303         (cgraph_clone_node): Copy function frequency.
2304         * cgraph.h (node_frequency): New enum
2305         (struct cgraph_node): Add.
2306         * final.c (rest_of_clean_state): Update.
2307         * lto-cgraph.c (lto_output_node): Output node frequency.
2308         (input_overwrite_node): Input node frequency.
2309         * tre-ssa-loop-ivopts (computation_cost): Update.
2310         * lto-streamer-out.c (output_function): Do not output function
2311         frequency.
2312         * predict.c (maybe_hot_frequency_p): Update and handle functions
2313         executed once.
2314         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2315         attribute lookup.
2316         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2317         (compute_function_frequency): Set noreturn functions to be executed
2318         once.
2319         (choose_function_section): Update.
2320         * lto-streamer-in.c (input_function): Do not input function frequency.
2321         * function.c (allocate_struct_function): Do not initialize function
2322         frequency.
2323         * function.h (function_frequency): Remove.
2324         (struct function): Remove function frequency.
2325         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2326         (try_update): Update.
2327         * tree-inline.c (initialize_cfun): Do not update function frequency.
2328         * passes.c (pass_init_dump_file): Update.
2329         * i386.c (ix86_compute_frame_layout): Update.
2330         (ix86_pad_returns): Update.
2331
2332 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2333
2334         PR tree-optimization/43833
2335         * tree-vrp.c (range_int_cst_p): New.
2336         (range_int_cst_singleton_p): New.
2337         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2338         when both operands are constants.  Use range_int_cst_p in
2339         BIT_IOR_EXPR case.
2340
2341 2010-04-26  Jan Hubicka  <jh@suse.cz>
2342
2343         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2344
2345 2010-04-26  Richard Guenther  <rguenther@suse.de>
2346
2347         PR lto/43080
2348         * gimple.c (gimple_decl_printable_name): Deal gracefully
2349         with a NULL DECL_NAME.
2350
2351 2010-04-26  Richard Guenther  <rguenther@suse.de>
2352
2353         PR lto/42425
2354         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2355         if emitting debug information and it is either a function
2356         or a namespace decl.
2357
2358 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2359
2360         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2361         determine if the statement is vectorizable, and a macro to access it.
2362         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2363         Skip statements that can't be vectorized. If the analysis fails,
2364         mark the statement as unvectorizable if vectorizing basic block.
2365         (vect_compute_data_refs_alignment): Likewise.
2366         (vect_verify_datarefs_alignment): Skip statements marked as
2367         unvectorizable. Add print.
2368         (vect_analyze_group_access): Skip statements that can't be
2369         vectorized. If the analysis fails, mark the statement as
2370         unvectorizable if vectorizing basic block.
2371         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2372         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2373         generated stmts for SLP.
2374         (new_stmt_vec_info): Initialize the new field.
2375         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2376         statements marked as unvectorizable.
2377
2378 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2379
2380         * c-common.c (flag_isoc1x): New.
2381         (flag_isoc99): Update comment.
2382         * c-common.h (flag_isoc1x): New.
2383         (flag_isoc99): Update comment.
2384         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2385         __<type>_DECIMAL_DIG__.
2386         * c-opts.c (set_std_c1x): New.
2387         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2388         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2389         * c.opt (-std=c1x, -std=gnu1x): New options.
2390         * doc/cpp.texi: Mention -std=c1x.
2391         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2392         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2393         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2394         * doc/standards.texi: Mention C1X.
2395         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2396         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2397         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2398         Define for C1X.
2399
2400 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2401
2402         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2403         placeholder from 0x%x to %#x.
2404         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2405         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2406         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2407         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2408         * config/i386/i386.c (ix86_target_string): Ditto.
2409         (output_pic_addr_const): Ditto.
2410         (print_operand): Ditto.
2411
2412 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2413
2414         * combine.c (find_split_point): Add third argument.  Use it
2415         to find nested multiply-accumulate instructions.  Adjust calls.
2416         (try_combine): Adjust call to find_split_point.
2417
2418 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2419
2420         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2421
2422 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2423
2424         PR tree-optimization/41442
2425         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2426         (fold_binary_loc): Call it.
2427
2428 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2429
2430         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2431         * opts.c (common_handle_option): Allow disabling it.
2432         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2433
2434 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2435
2436         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2437         between modes if both types are integral.
2438
2439 2010-04-23  Richard Guenther  <rguenther@suse.de>
2440
2441         PR tree-optimization/43572
2442         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2443
2444 2010-04-23  Richard Guenther  <rguenther@suse.de>
2445
2446         PR lto/43455
2447         * tree-inline.c (tree_can_inline_p): Also check compatibility
2448         of return types.
2449
2450 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2451
2452         PR tree-optimization/43846
2453         * tree-sra.c (struct access): New flag grp_assignment_read.
2454         (build_accesses_from_assign): Set grp_assignment_read.
2455         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2456         (enum mark_read_status): New type.
2457         (analyze_access_subtree): Propagate grp_assignment_read, create
2458         accesses also if both direct_read and root->grp_assignment_read.
2459
2460 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2461
2462         PR middle-end/43835
2463         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2464         function does not have type attributes.
2465
2466 2010-04-23  Richard Guenther  <rguenther@suse.de>
2467
2468         PR lto/42653
2469         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2470         of FUNCTION_DECLs.
2471
2472 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2473
2474         * sese.h (create_if_region_on_edge): Remove.
2475
2476         * sese.c (create_if_region_on_edge): Make static.
2477
2478         * tree-inline.c: Do not include ggc.h.
2479
2480         * expr.c: Do not include ggc.h.
2481
2482         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2483         dependencies.
2484
2485 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2486
2487         PR target/43744
2488         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2489         in the middle of insns for casesi_worker_2.
2490
2491 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2492
2493         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2494
2495 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2496
2497         PR tree-optimization/43842
2498         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2499         loop unrolling in update of exit phis. Fix comment.
2500         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2501         least two reduction statements in the loop before starting SLP
2502         analysis.
2503
2504 2010-04-22  Nick Clifton  <nickc@redhat.com>
2505
2506         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2507
2508 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2509
2510         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2511         to simplify a + ~a.
2512
2513 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2514
2515         * tree-parloops.c (loop_parallel_p): New argument
2516         parloop_obstack.  Pass it down.
2517         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2518         pass it down, free it.
2519
2520         * tree-loop-linear.c (linear_transform_loops): Pass down
2521         lambda_obstack.
2522
2523         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2524         of type struct obstack *.
2525
2526         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2527         scratch_obstack.  Initialize it, pass down, free it.
2528
2529         * lambda.h (lambda_loop_new): Remove.
2530         (lambda_matrix_new, lambda_matrix_inverse)
2531         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2532         argument of type struct obstack *.
2533
2534         * lambda-trans.c (lambda_trans_matrix_new): New argument
2535         lambda_obstack.  Pass it down, use obstack allocation for ret.
2536         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2537         it down.
2538
2539         * lambda-mat.c (lambda_matrix_get_column)
2540         (lambda_matrix_project_to_null): Remove.
2541         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2542         allocation for mat.
2543         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2544         lambda_obstack.
2545
2546         * lambda-code.c (lambda_loop_new): New function.
2547         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2548         (lambda_compute_auxillary_space, lambda_compute_target_space)
2549         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2550         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2551         (build_access_matrix): New argument lambda_obstack.  Use obstack
2552         allocation for am.
2553         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2554         argument lambda_obstack.  Pass it down.
2555
2556 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2557
2558         * optabs.h (expand_widening_mult): Declare.
2559
2560 2010-04-22  Richard Guenther  <rguenther@suse.de>
2561
2562         PR tree-optimization/43845
2563         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2564         lookup the CALL_EXPR function and arguments.
2565
2566 2010-04-22  Nick Clifton  <nickc@redhat.com>
2567
2568         * config/stormy16/stormy16.c
2569         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2570         * config/stormy16/stormy16.h: Tidy up formatting.
2571         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2572         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2573         (ineqbranchsi): Delete pattern.
2574         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2575         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2576         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2577         stormy16-lib2-ucmpsi2.c.
2578
2579 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2580
2581         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2582         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2583         extra set merge_set_noclobber, and use it to relax the final test
2584         slightly.
2585         * df.h (df_simulate_find_noclobber_defs): Declare.
2586         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2587         conditional defs.
2588         (df_simulate_find_noclobber_defs): New function.
2589
2590 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2591
2592         * config/i386/i386.md: Use {} around multi-line preparation statements.
2593
2594 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2595
2596         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2597         (process_init_element): New argument of type struct obstack *.
2598
2599         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2600         (set_init_index, set_init_label, set_nonincremental_init)
2601         (set_nonincremental_init_from_string, find_init_member)
2602         (output_init_element, output_pending_init_elements)
2603         (process_init_element): New argument braced_init_obstack.  Pass it
2604         down.
2605         (push_range_stack, add_pending_init): New argument
2606         braced_init_obstack.  Use obstack allocation.
2607
2608         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2609         braced_init_obstack.  Pass it down.
2610         (c_parser_braced_init): New variables ret, braced_init_obstack.
2611         Initialize obstack, pass it down and finally free it.
2612
2613 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2614
2615         PR middle-end/29274
2616         * tree-pass.h (pass_optimize_widening_mul): Declare.
2617         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2618         gate_optimize_widening_mul): New static functions.
2619         (pass_optimize_widening_mul): New.
2620         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2621         <case MULT_EXPR>: Remove support for widening multiplies.
2622         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2623         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2624         simplify_gen_unary rather than directly building extensions.
2625         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2626         WIDEN_MULT_EXPR.
2627         * expmed.c (expand_widening_mult): New function.
2628         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2629
2630 2010-04-21  Jan Hubicka  <jh@suse.cz>
2631
2632         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2633         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2634         * lto-wpa-fixup.c: Remove.
2635         * Makefile.in (lto-wpa-fixup.o): Remove.
2636         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2637         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2638         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2639
2640 2010-04-21  Jan Hubicka  <jh@suse.cz>
2641
2642         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2643         add write_optimization_summary, read_optimization_summary.
2644         (ipa_write_summaries_of_cgraph_node_set): Remove.
2645         (ipa_write_optimization_summaries): Declare.
2646         (ipa_read_optimization_summaries): Declare.
2647         * ipa-cp.c (pass_ipa_cp): Update.
2648         * ipa-reference.c (pass_ipa_reference): Update.
2649         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2650         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2651         Update.
2652         * ipa-inline.c (pass_ipa_inline): Update.
2653         * ipa.c (pass_ipa_whole_program): Update.
2654         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2655         * passes.c (ipa_write_summaries_1): Do not test wpa.
2656         (ipa_write_optimization_summaries_1): New.
2657         (ipa_write_optimization_summaries): New.
2658         (ipa_read_summaries): Do not test ltrans.
2659         (ipa_read_optimization_summaries_1): New.
2660         (ipa_read_optimization_summaries): New.
2661
2662 2010-04-21  Jan Hubicka  <jh@suse.cz>
2663
2664         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2665         for boundary nodes.
2666         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2667
2668 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2669
2670         PR debug/40040
2671         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2672         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2673
2674 2010-04-21  Jan Hubicka  <jh@suse.cz>
2675
2676         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2677
2678 2010-04-21  Jan Hubicka  <jh@suse.cz>
2679
2680         * varpool.c (decide_is_variable_needed): Variable is always needed
2681         during ltrans.
2682
2683 2010-04-21  Jan Hubicka  <jh@suse.cz>
2684
2685         * opts.c (decode_options): Enable pure-const pass for whopr.
2686
2687 2010-04-21  Jan Hubicka  <jh@suse.cz>
2688
2689         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2690         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2691         at WPA dumping.
2692         (cgraph_decide_inlining): Do not expect callee to be removed in all
2693         cases.
2694
2695 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2696
2697         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2698
2699 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2700
2701         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2702         amdfam10_decode attributes.
2703
2704 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2705
2706         PR middle-end/43570
2707         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2708         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2709         (lower_copyprivate_clauses): Use private var in outer
2710         context instead of original var.  Make sure the types
2711         are correct for VLAs.
2712
2713 2010-04-21  Richard Guenther  <rguenther@suse.de>
2714
2715         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2716         to non-pointer objects.
2717
2718 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2719
2720         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2721         last chain entry if it starts with the still current label.
2722         (add_location_or_const_value_attribute): Check that
2723         loc_list->first->next is NULL instead of comparing ->first with ->last.
2724         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2725         to add_var_loc_to_decl.
2726
2727         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2728         >= 4 add also address size and segment size fields into CIE header.
2729
2730         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2731         long as address size is the same as sizeof (void *) and
2732         segment size is 0.
2733         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2734         address size or segment size is unexpected, return DW_EH_PE_omit.
2735         (classify_object_over_fdes): If get_cie_encoding returned
2736         DW_EH_PE_omit, return -1.
2737         (init_object): If classify_object_over_fdes returned -1,
2738         pretend there were no FDEs at all.
2739
2740 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2741
2742         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2743         bswap{si,di}2 using SWI48 mode iterator.
2744         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2745         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2746         set modrm attribute of bswap insn to 0 and remove length attribute.
2747         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2748         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2749         set mode attribute to <MODE> and remove length attribute.
2750
2751 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2752
2753         PR rtl-optimization/43520
2754         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2755         zero available registers.
2756
2757 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2758
2759         * builtins.c (fold_builtin_cproj): Fold more cases.
2760
2761 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2762
2763         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2764         (fold_builtin_1): Fold builtin cproj.
2765         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2766         Use ATTR_CONST_NOTHROW_LIST.
2767
2768 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2769
2770         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2771         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2772         ffsi2_no_cmove for !TARGET_CMOVE.
2773         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2774         (ffssi2): Remove expander.
2775         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2776         mode iterator.
2777         (ctz<mode>2): Ditto from ctz{si,di}2.
2778         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2779         mode iterator.
2780         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2781         mode iterator.
2782
2783 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2784
2785         * dwarf2out.c (AT_linkage_name): Define.
2786         (clone_as_declaration): Handle DW_AT_linkage_name.
2787         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2788         of DW_AT_MIPS_linkage_name.
2789         (move_linkage_attr): Likewise.
2790         (dwarf2out_finish): Likewise.
2791
2792 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2793
2794         PR middle-end/41952
2795         * fold-const.c (fold_comparison): New folding rule.
2796
2797 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2798
2799         * double-int.h (double_int_setbit): Declare.
2800         * double-int.c (double_int_setbit): New function.
2801         * rtl.h (immed_double_int_const): Declare.
2802         * emit-rtl.c (immed_double_int_const): New function.
2803         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2804         and immed_double_int_const functions.
2805         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2806         expand_copysign_bit):  (Ditto.).
2807         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2808         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2809         * dojump.c (prefer_and_bit_test): (Ditto.).
2810         * expr.c (convert_modes, reduce_to_bit_field_precision,
2811         const_vector_from_tree): (Ditto.).
2812         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2813
2814 2010-04-20  Jan Hubicka  <jh@suse.cz>
2815
2816         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2817         (dump_cgraph_node): Dump new flags.
2818         * cgraph.h (struct cgraph_node): Add flags
2819         reachable_from_other_partition and in_other_partition.
2820         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2821         other partition can not be removed.
2822         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2823         the other partition must be output; silence sanity checking on
2824         leaking functions bodies from other paritition.
2825         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2826         (lto_output_node): Output new flags; do not sanity check that inline
2827         clones are output; drop lto_forced_extern_inline_p code; do not mock
2828         visibility flags at partition boundaries.
2829         (add_node_to): New function.
2830         (output_cgraph): Use it to sort functions so masters appear before
2831         clones.
2832         (input_overwrite_node): Input new flags.
2833         * passes.c (ipa_write_summaries): Do not call
2834         lto_new_extern_inline_states.
2835         * lto-section-out.c (forced_extern_inline,
2836         lto_new_extern_inline_states lto_delete_extern_inline_states,
2837         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2838         * lto-streamer.h (lto_new_extern_inline_states,
2839         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2840         lto_forced_extern_inline_p): Kill.
2841
2842 2010-04-20  Richard Guenther  <rguenther@suse.de>
2843
2844         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2845         from vars that can have pointers.
2846         (process_constraint): Dump useless constraints.
2847
2848 2010-04-20  Richard Guenther  <rguenther@suse.de>
2849
2850         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2851         (dump_sa_points_to_info): Remove asserts.
2852         (init_base_vars): nothing_id isn't an escape point nor does it
2853         have pointers.
2854
2855 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2856
2857         * tree.h (TYPE_REF_IS_RVALUE): Define.
2858         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2859         should_move_die_to_comdat, prune_unused_types_walk): Handle
2860         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2861         (modified_type_die, gen_reference_type_die): Emit
2862         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2863         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2864
2865 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2866
2867         PR target/43635
2868         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2869         calls for -fpic -m31 if they have been sibcall optimized.
2870
2871 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2872
2873         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2874         ar.lc fixed and call-used.
2875
2876         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2877
2878 2010-04-19  Jan Hubicka  <jh@suse.cz>
2879
2880         * opts.c (decode_options): Disable whpr incompatible passes.
2881         * lto/lto.c (lto_1_to_1_map): Skip clones.
2882         (read_cgraph_and_symbols): Do not mark everything as needed.
2883         (do_whole_program_analysis): Do map only after optimizing;
2884         set proper cgraph_state; use passmanager.
2885
2886 2010-04-19  DJ Delorie  <dj@redhat.com>
2887
2888         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2889         POINTER_PLUS_EXPR and fix them.
2890
2891 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2892
2893         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2894         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2895         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2896         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2897         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2898         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2899         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2900         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2901         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2902         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2903         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2904
2905 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2906
2907         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2908         (check_cond_move_block): Likewise.
2909         (cond_move_process_if_block): Likewise.
2910         (noce_find_if_block): Improve formatting.
2911         (find_if_header): Pass 0 to memset and tweak conditions.
2912         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2913
2914 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2915
2916         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2917         for -gdwarf-4.
2918
2919         PR middle-end/43337
2920         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2921         with non-local decl doesn't need chain.
2922
2923 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2924
2925         * ira-color.c (allocno_reload_assign): Avoid accumulating
2926         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2927
2928 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2929
2930         * gimple.h (create_tmp_reg): Declare.
2931         * gimplify.c (create_tmp_reg): New function.
2932         (gimplify_return_expr): Use create_tmp_reg.
2933         (gimplify_omp_atomic): Likewise.
2934         (gimple_regimplify_operands): Likewise.
2935         * tree-dfa.c (make_rename_temp): Likewise.
2936         * tree-predcom.c (predcom_tmp_var): Likewise.
2937         (reassociate_to_the_same_stmt): Likewise.
2938         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2939         (get_replaced_param_substitute): Likewise.
2940         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2941         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2942         * tree-ssa-pre.c (get_representative_for): Likewise.
2943         (create_expression_by_pieces): Likewise.
2944         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2945         (create_tailcall_accumulator): Likewise.
2946
2947 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2948
2949         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2950         new_stmt.
2951         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2952
2953 2010-04-19  Richard Guenther  <rguenther@suse.de>
2954
2955         PR tree-optimization/43796
2956         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2957         from SCEV in the lattice.
2958         (vrp_visit_phi_node): Dump change.
2959
2960 2010-04-19  Richard Guenther  <rguenther@suse.de>
2961
2962         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2963         * configure: Re-generated.
2964
2965 2010-04-19  Richard Guenther  <rguenther@suse.de>
2966
2967         PR tree-optimization/43783
2968         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2969         constant ARRAY_REF operands two and three if possible.
2970
2971 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2972
2973         PR target/43766
2974         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2975
2976 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2977
2978         PR target/43662
2979         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2980
2981 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2982
2983         PR tree-optimization/37027
2984         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2985         and macro to access it.
2986         (vectorizable_reduction): Add argument.
2987         (vect_get_slp_defs): Likewise.
2988         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2989         statements for possible use in SLP.
2990         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2991         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2992         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2993         add new argument.
2994         (vectorizable_reduction): Likewise.
2995         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2996         vect_get_slp_defs.
2997         (vectorizable_type_demotion, vectorizable_type_promotion,
2998         vectorizable_store): Likewise.
2999         (vect_analyze_stmt): Update call to vectorizable_reduction.
3000         (vect_transform_stmt): Likewise.
3001         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3002         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3003         from different interleaving chains in same node.
3004         (vect_slp_rearrange_stmts): New function.
3005         (vect_supported_load_permutation_p): Allow load permutations for
3006         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3007         inside SLP nodes if necessary.
3008         (vect_analyze_slp_instance): Handle reductions.
3009         (vect_analyze_slp): Try to build SLP instances originating from groups
3010         of reductions.
3011         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3012         (vect_get_constant_vectors): Create initial vectors for reductions
3013         according to reduction code. Add new argument.
3014         (vect_get_slp_defs): Add new argument, pass it to
3015         vect_get_constant_vectors.
3016         (vect_schedule_slp_instance): Remove SLP tree root statements.
3017
3018 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3019
3020         * tree.h (ENUM_IS_SCOPED): Define.
3021         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3022         for ENUM_IS_SCOPED enums.
3023
3024 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3025
3026         * fold-const.c (fold_comparison): Use ssizetype.
3027         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3028         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3029         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3030         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3031
3032         * tree.h (initialize_sizetypes): Remove parameter.
3033         (build_common_tree_nodes): Remove second parameter.
3034         * stor-layout.c (initialize_sizetypes): Remove parameter.
3035         Always create an unsigned type.
3036         (set_sizetype): Assert that the passed type is unsigned and simplify.
3037         * tree.c (build_common_tree_nodes): Remove second parameter.
3038         Adjust call to initialize_sizetypes.
3039         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3040         build_common_tree_nodes.
3041
3042 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3043
3044         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3045
3046 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3047
3048         PR tree-optimization/43771
3049         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3050         load permutation doesn't have gaps.
3051
3052 2010-04-18  Jan Hubicka  <jh@suse.cz>
3053
3054         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3055         (sse_prologue_save_insn expander): Use new pattern.
3056         (sse_prologue_save_insn1): New pattern and splitter.
3057         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3058         blocks.
3059         * i386.c (setup_incoming_varargs_64): Do not compute jump
3060         destination here.
3061         (ix86_gimplify_va_arg): Update alignment needed.
3062         (ix86_local_alignment): Do not align all local arrays to 128bit.
3063
3064 2010-04-17  Jan Hubicka  <jh@suse.cz>
3065
3066         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3067
3068 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3069
3070         * arm.md (negdi2): Remove redundant code to force values into a
3071         register.
3072
3073 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3074
3075         * arm/bpabi.S: Add EABI alignment attributes to objects.
3076         * arm/bpabi-v6m.S: Likewise.
3077         * arm/crti.asm: Likewise.
3078         * arm/crtn.asm: Likewise.
3079         * arm/lib1funcs.asm: Likewise.
3080         * arm/libunwind.S: Likewise.
3081
3082 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3083
3084         * arm-protos.h (tune_params): New structure.
3085         * arm.c (current_tune): New variable.
3086         (arm_constant_limit): Delete.
3087         (struct processors): Add pointer to the tune parameters.
3088         (arm_slowmul_tune): New tuning option.
3089         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3090         (all_cores): Adjust to pick up the tuning model.
3091         (arm_constant_limit): New function.
3092         (arm_override_options): Select the appropriate tuning model.  Delete
3093         initialization of arm_const_limit.
3094         (arm_split_constant): Use the new constant-limit model.
3095         (arm_rtx_costs): Pick up the current tuning model.
3096         * arm.md (is_strongarm, is_xscale): Delete.
3097         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3098         for Xscale variant architectures.
3099         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3100
3101 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3102
3103         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3104         can_shift.
3105         (arm_rtx_costs_1): Remove unused variable extra_cost.
3106         (arm_unwind_emit_set): Use variable offset.
3107         (thumb1_output_casesi): Remove unused variable flags.
3108
3109 2010-04-16  Jeff Law  <law@redhat.com>
3110
3111         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3112         needing assignment rather than doing a two-phase assignment.  Remove
3113         unused variable 'm'.
3114
3115 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR bootstrap/43767
3118         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3119
3120 2010-04-16  Doug Kwan  <dougkwan@google.com>
3121
3122         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3123         (next_operand_entry_id): New static variable.
3124         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3125         (add_to_ops_vec): Assigned unique ID to operand entry.
3126         (struct oecount_s): New field ID.
3127         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3128         (undistribute_ops_list): Assign unique IDs to oecounts.
3129         (init_reassoc): reset next_operand_entry_id.
3130
3131 2010-04-16  Doug Kwan  <dougkwan@google.com>
3132
3133         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3134         missing left parenthesis.
3135
3136 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3137
3138         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3139         *btdi_rex64 using SWI48 mode iterator.
3140         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3141         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3142         *jcc_btdi_mask_rex64.
3143
3144 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3145
3146         * double-int.h (tree_to_double_int): Convert to macro.
3147         * double-int.c (tree_to_double_int): Remove.
3148
3149 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3150
3151         PR debug/43762
3152         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3153         with want_address 2 and in case a single element list might be
3154         possible, call it again with want_address 0.
3155
3156 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3157
3158         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3159         case 'W' print operands for HI mode.
3160         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3161         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3162         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3163         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3164
3165         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3166
3167         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3168         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3169         #xx:3 and #xx:4 mode.
3170
3171         * config/h8300/h8300.md (inverted load with HImode dest): Add
3172         support for H8300SX.
3173
3174         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3175         satisfy 'U' constraint.
3176
3177 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3178
3179         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3180         * configure: Regenerate.
3181         * config.in: Regenerate.
3182         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3183         works.
3184
3185 2010-04-16  Richard Guenther  <rguenther@suse.de>
3186
3187         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3188         (struct tree_decl_common): ... here.
3189         (DECL_PT_UID): Adjust.
3190         (SET_DECL_PT_UID): Likewise.
3191         (DECL_PT_UID_SET_P): Likewise.
3192
3193 2010-04-16  Richard Guenther  <rguenther@suse.de>
3194
3195         PR tree-optimization/43572
3196         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3197         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3198         * tree-flow.h (is_call_clobbered): Remove.
3199         * tree-flow-inline.h (is_call_clobbered): Likewise.
3200         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3201         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3202         (execute_return_slot_opt): Adjust.
3203         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3204         check for call clobbered vars here.
3205         (find_tail_calls): Move tailcall verification to the
3206         proper place.
3207
3208 2010-04-16  Diego Novillo  <dnovillo@google.com>
3209
3210         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3211
3212 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3213
3214         PR target/40603
3215         * config/arm/arm.md (cbranchqi4): New pattern.
3216         * config/arm/predicates.md (const0_operand,
3217         cbranchqi4_comparison_operator): New predicates.
3218
3219 2010-04-16  Richard Guenther  <rguenther@suse.de>
3220
3221         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3222         (dump_gimple_stmt): Likewise.
3223
3224 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3225
3226         * recog.h (struct recog_data): New field is_operator.
3227         (struct insn_operand_data): New field is_operator.
3228         * recog.c (extract_insn): Set recog_data.is_operator.
3229         * genoutput.c (output_operand_data): Emit code to set the
3230         is_operator field.
3231         * reload.c (find_reloads): Use it rather than testing for an
3232         empty constraint string.
3233
3234         PR target/41514
3235         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3236         If the previous insn is a cbranchsi4_insn with the same arguments,
3237         omit the compare instruction.
3238
3239         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3240         register, inputs must be low registers and we need a low register
3241         scratch.  Handle alternative 2 like alternative 3.
3242
3243 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3244
3245         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3246         don't call get_addr on both.  If one expression is a VALUE and
3247         the other a REG, check VALUE's locs if the REG isn't among them.
3248
3249 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3250
3251         * config/sh/sh.h (sh_frame_pointer_required): New function.
3252         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3253         (flag_omit_frame_pointer) Set.
3254         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3255         (rounded_frame_size): Adjust size with outgoing_args_size.
3256         (sh_set_return_address): Must return from stack pointer.
3257         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3258         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3259         (ACCUMULATE_OUTGOING_ARGS): Define.
3260         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3261         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3262
3263 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3264
3265         PR target/43471
3266         * config/sh/sh.c (sh_legitimize_reload_address): Use
3267         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3268         Remove a unneeded check for offset_base.
3269
3270 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3271
3272         * configure: Regenerated.
3273
3274 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3275
3276         * config/s390/s390.c (s390_call_save_register_used): Switch back
3277         to HARD_REGNO_NREGS.
3278
3279 2010-04-15  Richard Guenther  <rguenther@suse.de>
3280
3281         * alias.c (alias_set_subset_of): Handle alias-set zero
3282         child properly.
3283
3284 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3285             Julian Brown  <julian@codesourcery.com>
3286
3287         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3288         alternatives according to use of high and low regs.
3289         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3290         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3291         optimizing for size on Thumb-2.
3292
3293 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3294
3295         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3296
3297 2010-04-15  Richard Guenther  <rguenther@suse.de>
3298
3299         * tree-ssa-structalias.c (struct variable_info): Add
3300         is_fn_info flag.
3301         (new_var_info): Initialize it.
3302         (dump_constraints): Support printing last added constraints.
3303         (debug_constraints): Adjust.
3304         (dump_constraint_graph): Likewise.
3305         (make_heapvar_for): Check for NULL cfun.
3306         (get_function_part_constraint): New function.
3307         (get_fi_for_callee): Likewise.
3308         (find_func_aliases): Properly implement IPA PTA constraints.
3309         (process_ipa_clobber): New function.
3310         (find_func_clobbers): Likewise.
3311         (insert_into_field_list_sorted): Remove.
3312         (create_function_info_for): Properly allocate vars for IPA mode.
3313         Do not use insert_into_field_list_sorted.
3314         (create_variable_info_for): Properly generate constraints for
3315         global vars in IPA mode.
3316         (dump_solution_for_var): Always dump the solution.
3317         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3318         (find_what_var_points_to): Adjust.
3319         (pt_solution_set): Change.
3320         (pt_solution_ior_into): New function.
3321         (pt_solution_empty_p): Export.
3322         (pt_solution_includes_global): Adjust.
3323         (pt_solution_includes_1): Likewise.
3324         (pt_solutions_intersect_1): Likewise.
3325         (dump_sa_points_to_info): Check some invariants.
3326         (solve_constraints): Move constraint dumping ...
3327         (compute_points_to_sets): ... here.
3328         (ipa_pta_execute): ... and here.
3329         (compute_may_aliases): Do not re-compute points-to info
3330         locally if IPA info is available.
3331         (ipa_escaped_pt): New global var.
3332         (ipa_pta_execute): Properly implement IPA PTA.
3333         * tree-into-ssa.c (dump_decl_set): Support dumping
3334         decls not in referenced-vars.
3335         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3336         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3337         (dump_points_to_solution): Likewise.
3338         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3339         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3340         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3341         (copy_decl_to_var): Copy DECL_PT_UID.
3342         (copy_result_decl_to_var): Likewise.
3343         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3344         (copy_node_stat): Copy it.
3345         * tree.h (DECL_PT_UID): New macro.
3346         (SET_DECL_PT_UID): Likewise.
3347         (DECL_PT_UID_SET_P): Likewise.
3348         (struct tree_decl_minimal): Add pt_uid member.
3349         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3350         (pt_solution_empty_p): Declare.
3351         (pt_solution_set): Adjust.
3352         (ipa_escaped_pt): Declare.
3353         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3354         * gimple-pretty-print.c (pp_points_to_solution): New function.
3355         (dump_gimple_call): Dump call clobber/use information.
3356         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3357         * tree-pass.h (TDF_ALIAS): New dump option.
3358         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3359         * doc/invoke.texi (-fipa-pta): Update documentation.
3360
3361 2010-04-15  Richard Guenther  <rguenther@suse.de>
3362
3363         * Makefile.in (OBJS-common): Add gimple-fold.o.
3364         (gimple-fold.o): New rule.
3365         * tree.h (maybe_fold_offset_to_reference,
3366         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3367         prototypes ...
3368         * gimple.h: ... here.
3369         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3370         may_propagate_address_into_dereference): Move prototypes ...
3371         * gimple.h: ... here.
3372         * tree-ssa-ccp.c (get_symbol_constant_value,
3373         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3374         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3375         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3376         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3377         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3378         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3379         gimplify_and_update_call_from_tree): Move ...
3380         * gimple-fold.c: ... here.  New file.
3381         (ccp_fold_builtin): Rename to ...
3382         (gimple_fold_builtin): ... this.
3383         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3384
3385 2010-04-15  Richard Guenther  <rguenther@suse.de>
3386
3387         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3388         fit_double_type, force_fit_type_double, add_double_with_sign,
3389         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3390         lrotate_double, rrotate_double, div_and_round_double): Move ...
3391         * double-int.c: ... here.
3392         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3393         add_double, neg_double, mul_double_with_sign, mul_double,
3394         lshift_double, rshift_double, lrotate_double, rrotate_double,
3395         div_and_round_double): Move prototypes ...
3396         * double-int.h: ... here.
3397
3398 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3399
3400         PR target/43742
3401         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3402         matching constraints to ensure inputs match the output.
3403
3404 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3405
3406         PR target/43742
3407         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3408         in an input-only operand.
3409
3410 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3411
3412         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3413         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3414         (double_int_negative_p): Convert to static inline function.
3415         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3416         (double_int_negative_p): Remove.
3417         * tree.h (lshift_double, rshift_double):
3418         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3419         * fold-const.c (fold_convert_const_int_from_real,
3420         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3421         (lshift_double): Change type of arith argument to bool.
3422         (rshift_double): Change type of arith argument to bool. Correct
3423         comment.
3424         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3425
3426 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3427
3428         PR target/21803
3429         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3430         at the start and end of the then/else blocks, and omit them from the
3431         conversion.
3432         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3433         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3434         (flow_find_head_matching_sequence): New function.
3435         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3436         * basic-block.h (flow_find_cross_jump,
3437         flow_find_head_matching_sequence): Declare functions.
3438
3439 2010-04-14  Jason Merrill  <jason@redhat.com>
3440
3441         PR c++/36625
3442         * c-common.c (attribute_takes_identifier_p): New fn.
3443         * c-common.h: Declare it.
3444
3445 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3446
3447         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3448         splitter condition.
3449         (*udivmod<mode>4): Ditto.
3450
3451 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3452
3453         * config/i386/i386.md (maxmin_int): Rename code attribute from
3454         maxminiprefix and update all users.
3455         (maxmin_float): Ditto from maxminfprefix.
3456         (logic): Ditto from logicprefix.
3457         (absneg_mnemonic): Ditto from absnegprefix.
3458         * config/i386/mmx.md: Update all users of maxminiprefix,
3459         maxminfprefix and logicprefix for rename.
3460         * config/i386/sse.md: Ditto.
3461         * config/i386/sync.md (sync_<code><mode>): Update for
3462         logicprefix rename.
3463
3464 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3465
3466         PR 42966
3467         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3468         warnings converted to errors.
3469
3470 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3471
3472         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3473         used insn_type variable.
3474         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3475         to avoid set-but-not-used warning.
3476
3477 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3478
3479         * df-core.c (df_ref_debug): Change format string placeholder
3480         from 0x%x to %#x.
3481         * dwarf2asm.c (dw2_asm_output_data_raw,
3482         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3483         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3484         * dwarf2out.c (output_cfi, output_cfi_directive,
3485         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3486         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3487         Ditto.
3488         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3489         * print-rtl.c (print_rtx): Ditto.
3490
3491 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3492
3493         PR middle-end/42694
3494         * builtins.c (expand_builtin_pow_root): New function to expand pow
3495         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3496         series of sqrt and cbrt calls under -ffast-math.
3497         (expand_builtin_pow): Call it.
3498
3499 2010-04-14  Michael Matz  <matz@suse.de>
3500
3501         PR tree-optimization/42963
3502         * tree-cfg.c (touched_switch_bbs): New static variable.
3503         (group_case_labels_stmt): New function broken out from ...
3504         (group_case_labels): ... here, use the above.
3505         (start_recording_case_labels): Allocate touched_switch_bbs.
3506         (end_recording_case_labels): Deallocate it, call
3507         group_case_labels_stmt.
3508         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3509
3510 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3511
3512         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3513         from insn template.
3514
3515 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3516
3517         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3518
3519 2010-04-13  Jan Hubicka  <jh@suse.cz>
3520
3521         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3522         of optimized out static functions.
3523         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3524         cost computation.  Also sanity check for overflows.
3525         (update_caller_keys): Update cgraph_edge_badness call; properly
3526         update fibheap and sanity check that it is up to date.
3527         (add_new_edges_to_heap): Update cgraph_edge_badness.
3528         (cgraph_decide_inlining_of_small_function): Likewise;
3529         add sanity checking that badness in heap is up to date;
3530         improve dumping of reason; Update badness of calls to the
3531         offline copy of function currently inlined; dump badness
3532         of functions not inlined because of unit growth limits.
3533
3534 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3535
3536         PR middle-end/32628
3537         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3538         because of sign-extension change when converting to sizetype here...
3539         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3540
3541         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3542         the folding to constants.  Remove redundant final conversion.
3543         (fold_binary) <associate>: Do not associate if the re-association of
3544         constants alone overflows.
3545         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3546         to the end of the list.
3547         (multiple_of_p) <COND_EXPR>: New case.
3548
3549 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3550
3551         * opt-functions.awk (opt_sanitized_name): New.
3552         (opt_enum): New.
3553         * optc-gen.awk: Use it
3554         * opth-gen.awk: Use it.
3555
3556 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3557
3558         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3559         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3560         children.  Call replace_uses_with_default_def_ssa_name to handle
3561         SSA_NAES on lhs.
3562
3563 2010-04-13  Michael Matz  <matz@suse.de>
3564
3565         PR middle-end/43730
3566         * builtins.c (expand_builtin_interclass_mathfn): Also create
3567         a register if the predicate doesn't match.
3568
3569 2010-04-13  Diego Novillo  <dnovillo@google.com>
3570
3571         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3572         * c-pch.c: Include timevar.h.
3573         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3574         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3575         * ggc-common.c: Include timevar.h.
3576         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3577         * timevar.def (TV_PCH_SAVE): Define.
3578         (TV_PCH_CPP_SAVE): Define.
3579         (TV_PCH_PTR_REALLOC): Define.
3580         (TV_PCH_PTR_SORT): Define.
3581         (TV_PCH_RESTORE): Define.
3582         (TV_PCH_CPP_RESTORE): Define.
3583
3584 2010-04-13  Michael Matz  <matz@suse.de>
3585
3586         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3587         into MINUS_EXPRs.
3588         (can_reassociate_p): New function.
3589         (break_up_subtract_bb, reassociate_bb): Use it.
3590
3591 2010-04-13  Richard Guenther  <rguenther@suse.de>
3592
3593         PR bootstrap/43737
3594         * builtins.c (c_readstr): Fix assert.
3595
3596 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3597
3598         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3599         when generating cltd insn.
3600
3601         (*ashl<mode>3_1): Remove special handling for register operand 2.
3602         (*ashlsi3_1_zext): Ditto.
3603         (*ashlhi3_1): Ditto.
3604         (*ashlhi3_1_lea): Ditto.
3605         (*ashlqi3_1): Ditto.
3606         (*ashlqi3_1_lea): Ditto.
3607         (*<shiftrt_insn><mode>3_1): Ditto.
3608         (*<shiftrt_insn>si3_1_zext): Ditto.
3609         (*<shiftrt_insn>qi3_1_slp): Ditto.
3610         (*<rotate_insn><mode>3_1): Ditto.
3611         (*<rotate_insn>si3_1_zext): Ditto.
3612         (*<rotate_insn>qi3_1_slp): Ditto.
3613
3614 2010-04-13  Richard Guenther  <rguenther@suse.de>
3615
3616         * tree-ssa-structalias.c (callused_id): Remove.
3617         (call_stmt_vars): New.
3618         (get_call_vi): Likewise.
3619         (lookup_call_use_vi): Likewise.
3620         (lookup_call_clobber_vi): Likewise.
3621         (get_call_use_vi): Likewise.
3622         (get_call_clobber_vi): Likewise.
3623         (make_transitive_closure_constraints): Likewise.
3624         (handle_const_call): Adjust to do per-call call-used handling.
3625         (handle_pure_call): Likewise.
3626         (find_what_var_points_to): Remove general callused handling.
3627         (init_base_vars): Likewise.
3628         (init_alias_vars): Initialize call_stmt_vars.
3629         (compute_points_to_sets): Process call-used and call-clobbered
3630         vars for call statements.
3631         (delete_points_to_sets): Free call_stmt_vars.
3632
3633 2010-04-13  Richard Guenther  <rguenther@suse.de>
3634
3635         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3636         Only add RW dependence for dependence distance zero.
3637         Adjust maximal vectorization factor according to dependences.
3638         Move alignment handling ...
3639         (vect_find_same_alignment_drs): ... here.  New function.
3640         (vect_analyze_data_ref_dependences): Adjust.
3641         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3642         (vect_analyze_data_refs): Adjust minimal vectorization factor
3643         according to data references.
3644         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3645         dependences before determining the vectorization factor.
3646         Analyze alignment after determining the vectorization factor.
3647         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3648         dependences before alignment.
3649         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3650         Adjust prototype.
3651         (vect_analyze_data_refs): Likewise.
3652         (MAX_VECTORIZATION_FACTOR): New define.
3653
3654 2010-04-13  Duncan Sands  <baldrick@free.fr>
3655
3656         * except.h (lang_eh_type_covers): Remove.
3657         * except.c (lang_eh_type_covers): Likewise.
3658
3659 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3660             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3661
3662         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3663         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3664         UNITS_PER_LONG where it is ABI relevant.
3665         (s390_return_addr_rtx): Likewise.
3666         (s390_back_chain_rtx): Likewise.
3667         (s390_frame_area): Likewise.
3668         (s390_frame_info): Likewise.
3669         (s390_initial_elimination_offset): Likewise.
3670         (save_gprs): Likewise.
3671         (s390_emit_prologue): Likewise.
3672         (s390_emit_epilogue): Likewise.
3673         (s390_function_arg_advance): Likewise.
3674         (s390_function_arg): Likewise.
3675         (s390_va_start): Likewise.
3676         (s390_gimplify_va_arg): Likewise.
3677         (s390_function_profiler): Likewise.
3678         (s390_optimize_prologue): Likewise.
3679         (s390_rtx_costs): Likewise.
3680         (s390_secondary_reload): Likewise.
3681         (s390_promote_function_mode): Likewise.
3682         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3683         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3684         registers available.
3685         (s390_unwind_word_mode): New function.
3686         (s390_function_value): Split 64 bit values into register pair if
3687         used as return value.
3688         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3689         function call parameters.  Handle parallels.
3690         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3691         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3692         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3693         (s390_expand_setmem): Remove unused variable src_addr.
3694         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3695         deal with 64 bit registers.
3696         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3697         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3698         (UNITS_PER_LONG): New macro.
3699         * libjava/include/s390-signal.h: Define extended ucontext
3700         structure containing the upper halfs of the 64 bit registers.
3701
3702 2010-04-13  Simon Baldwin  <simonb@google.com>
3703
3704         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3705
3706 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3707
3708         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3709         rvalue on the RHS if the LHS is of a non-renamable type.
3710         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3711
3712 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3713
3714         * gcc.c (cc1_options): Handle -iplugindir before processing
3715         the cc1 spec. Only add -iplugindir once.
3716         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3717         found.
3718         * common.opt (iplugindir): Remove `Separate' property, initialize.
3719         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3720         option.
3721         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3722         (distclean): Remove plugin dir.
3723         * doc/invoke.texi: Document -iplugindir.
3724
3725 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3726
3727         * doc/plugins.texi (Loading Plugins): Document short
3728         -fplugin=foo option.
3729         (Plugin API): Mention default_plugin_dir_name function.
3730
3731         * gcc.c (find_file_spec_function): Add new declaration.
3732         (static_spec_func): Use it for "find-file".
3733         (find_file_spec_function): Add new function.
3734         (cc1_options): Add -iplugindir option if -fplugin* options found.
3735
3736         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3737
3738         * plugin.c (add_new_plugin): Updated comment, and handle short
3739         plugin name.
3740         (default_plugin_dir_name): Added new function.
3741
3742         * common.opt (iplugindir): New option to set the plugin directory.
3743
3744 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3745
3746         * config/i386/i386.md (any_rotate): New code iterator.
3747         (rotate_insn): New code attribute.
3748         (rotate): Ditto.
3749         (SWIM124): New mode iterator.
3750         (<rotate_insn>ti3): New expander.
3751         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3752         any_rotate code iterator.
3753         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3754         using any_rotate code iterator and SWIM124 mode iterator.
3755         (ix86_rotlti3): New insn_and_split pattern.
3756         (ix86_rotrti3): Ditto.
3757         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3758         ix86_rotl{di,ti}3 patterns.
3759         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3760         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3761         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3762         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3763         code iterator and SWI mode iterator.
3764         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3765         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3766         code iterator.
3767         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3768         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3769         (bswap rotatert splitter): Add splitter.
3770         (bswap splitter): Macroize splitter using any_rotate code iterator.
3771         Add insn predicate to split only for TARGET_USE_XCHGB or when
3772         optimizing function for size.
3773
3774 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3775
3776         * config/pa/pa.c (emit_move_sequence): Remove use of
3777         deleted variable flag_argument_noalias.
3778
3779 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3780
3781         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3782         configurations.
3783         Add to unsupported targets list.
3784         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3785         sparc*-sun-solaris2.[567]* from target lists.
3786         * configure: Regenerate.
3787         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3788         removal.
3789         Remove Solaris 7 patch references.
3790         (Specific, sparc-sun-solaris2.7): Removed.
3791         (sparc-sun-solaris2*): Update Solaris 7 example.
3792         (sparc64-*-solaris2*): Likewise.
3793
3794 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3795
3796         * config.build (alpha*-dec-osf4*): Remove.
3797         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3798         of obsolete configurations.
3799         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3800         support.
3801         * config/alpha/t-osf4: Renamed to ...
3802         * config/alpha/t-osf5: ... this.
3803         * config/alpha/osf.h: Renamed to ...
3804         * config/alpha/osf5.h: ... this.
3805         Merged old osf5.h contents.
3806         Update comments.
3807         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3808         (EXTRA_SPECS): Removed.
3809         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3810         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3811         Document that.
3812
3813 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3814
3815         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3816
3817 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3818
3819         PR/43702
3820         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3821         __thiscall convention.
3822
3823 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3824
3825         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3826         orig_base.
3827         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3828
3829 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3830
3831         * function.c (assign_parms_initialize_all): Add unused attribute
3832         to fntype.
3833
3834 2010-04-12  Richard Guenther  <rguenther@suse.de>
3835
3836         * gsstruct.def (GSS_CALL): New.
3837         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3838         * gimple.h: Include tree-ssa-alias.h.
3839         (struct gimple_statement_call): New.
3840         (union gimple_statement_struct_d): Add gimple_call member.
3841         (gimple_call_reset_alias_info): Declare.
3842         (gimple_call_use_set): New function.
3843         (gimple_call_clobber_set): Likewise.
3844         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3845         * gimple.c (gimple_call_reset_alias_info): New function.
3846         (gimple_build_call_1): Call it.
3847         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3848         * tree-inline.c (remap_gimple_stmt): Likewise.
3849         (expand_call_inline): Remove callused handling.
3850         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3851         * tree-dfa.c (dump_variable): Likewise.
3852         * tree-parloops.c (parallelize_loops): Likewise.
3853         * tree-ssa.c (init_tree_ssa): Likewise.
3854         (delete_tree_ssa): Likewise.
3855         * tree-flow-inline.h (is_call_used): Remove.
3856         * tree-flow.h (struct gimple_df): Remove callused member.
3857         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3858         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3859         (ref_maybe_used_by_call_p_1): Simplify.
3860         (call_may_clobber_ref_p_1): Likewise.
3861         * tree-ssa-structalias.c (compute_points_to_sets): Set
3862         the call stmt used and clobbered sets.
3863         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3864         (find_tail_calls): Verify the tail call.
3865
3866 2010-04-12  Richard Guenther  <rguenther@suse.de>
3867
3868         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3869         single-iteration always-inline inlining.
3870         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3871         (cgraph_decide_inlining): Do not handle always-inline specially.
3872         (try_inline): Remove always-inline cycle detection special case.
3873         Do not recurse on always-inlines.
3874         (cgraph_early_inlining): Do not iterate if not optimizing.
3875         (cgraph_gate_early_inlining): remove.
3876         (pass_early_inline): Run unconditionally.
3877         (gate_cgraph_decide_inlining): New function.
3878         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3879         not inlining or optimizing.
3880         (cgraph_decide_inlining_of_small_functions): Also consider
3881         always-inline functions.
3882         (cgraph_default_inline_p): Return true for nodes which should
3883         disregard inline limits.
3884         (estimate_function_body_sizes): Assume zero size and time for
3885         nodes which are marked as disregarding inline limits.
3886         (cgraph_decide_recursive_inlining): Do not perform recursive
3887         inlining on always-inline nodes.
3888
3889 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3890
3891         PR bootstrap/43699
3892         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3893         for exprs satisfying handled_component_p.
3894
3895 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3896
3897         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3898         non-constant aggregate elements.
3899
3900         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3901         is a real initialization.
3902
3903 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3904
3905         PR c/36774
3906         * c-decl.c (start_function): Move forward check for nested function.
3907
3908 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3909
3910         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3911         * config/sh/sh.c: Include reload.h.
3912         (sh_legitimize_reload_address): New.
3913         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3914         sh_legitimize_reload_address.
3915
3916 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3917
3918         * config/sh/sh.md (*movqi_pop): New insn pattern.
3919         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3920
3921 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3922
3923         * config/i386/i386.md (any_shiftrt): New code iterator.
3924         (shiftrt_insn): New code attribute.
3925         (shiftrt): Ditto.
3926         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3927         using any_shiftrt code iterator.
3928         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3929         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3930         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3931         pattern from corresponding peephole2 patterns.
3932         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3933         using any_shiftrt code iterator.
3934         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3935         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3936         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3937         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3938         *{ashr,lshr}<mode>3_cmp_zext.
3939         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3940
3941 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3942
3943         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3944         scratch register.
3945         (*lshr<mode>3_cconly): Ditto.
3946
3947 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3948
3949         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3950         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3951         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3952         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3953         DWI mode iterator.
3954         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3955         from corresponding peephole2 patterns.
3956         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3957         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3958         and *lshrdi3_1_rex64 using SWI mode iterator.
3959         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3960         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3961         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3962         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3963         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3964         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3965         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3966         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3967         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3968         SWI mode iterator.
3969
3970 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3971
3972         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3973         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3974         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3975         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3976         DWI mode iterator.
3977         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3978         from corresponding peephole2 patterns.
3979         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3980         (ashrsi3_cvt): Rename from ashrsi3_31.
3981         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3982         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3983         and x86_64_shift_adj_3 using SWI48 mode iterator.
3984         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3985         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3986         and *ashrdi3_1_rex64 using SWI mode iterator.
3987         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3988         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3989         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3990         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3991         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3992         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3993         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3994         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3995         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3996         SWI mode iterator.
3997         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3998         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3999         x86_shift<mode>_adj_3 expanders.
4000
4001 2010-04-10  Wei Guozhi  <carrot@google.com>
4002
4003         PR target/42601
4004         * config/arm/arm.c (arm_pic_static_addr): New function.
4005         (legitimize_pic_address): Call arm_pic_static_addr when it detects
4006         a static symbol.
4007         (arm_output_addr_const_extra): Output expression for new pattern.