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* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-17  Alan Modra  <amodra@gmail.com>
2
3         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
4         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
5         with copy_reg rtx param.
6         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
7         Correct cases where code for ABI_V4 did not initialise the reg
8         used to access frame.  Also leave frame_reg_rtx as sp for large
9         frames that save no regs.
10
11 2010-05-17  Martin Jambor  <mjambor@suse.cz>
12
13         PR middle-end/44133
14         * tree-sra.c (create_access_replacement): New parameter rename, mark
15         the replaement for renaming only when it is true.
16         (get_access_replacement): Pass true in the rename parameter of
17         create_access_replacement.
18         (get_unrenamed_access_replacement): New function.
19         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
20         replacement declaration from it.
21
22 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
23
24         * function.c (try_fit_stack_local, add_frame_space): New static
25         functions.
26         (assign_stack_local_1): Use them.  Look for opportunities to use
27         space previously wasted on alignment.
28         * function.h (struct frame_space): New.
29         (struct rtl_data): Add FRAME_SPACE_LIST member.
30         * reload1.c (something_was_spilled): New static variable.
31         (alter_reg): Set it.
32         (reload): Test it in addition to testing if the frame size changed.
33
34 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
35
36         * config/s390/s390.c: Define sane prefetch settings and activate
37         flag_prefetch_loop_arrays on -O3.
38         * config/s390/s390.h: Declare that read can use write prefetch.
39
40 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
41
42         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
43         build.
44
45 2010-05-16  Jan Hubicka  <jh@suse.cz>
46
47         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
48         function body; do not check stdarg field of struct function.
49
50 2010-05-16  Jan Hubicka  <jh@suse.cz>
51
52         * cgraph.c (dump_cgraph_node): Dump versionable flag.
53         * cgraph.h (cgraph_local_info): Add versionable flag.
54         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
55         (ipcp_versionable_function_p): Use it.
56         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
57         versionable flag.
58
59 2010-05-16  Jan Hubicka  <jh@suse.cz>
60
61         * cgraph.c (cgraph_clone_node): Take decl argument and insert
62         clone into hash when it is different from orig.
63         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
64         * cgraph.h (cgraph_clone_node): Update prototype.
65         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
66         (lto_cgraph_encoder_delete): Delete body map.
67         (lto_cgraph_encoder_size): Move to header.
68         (lto_cgraph_encoder_encode_body_p,
69         lto_set_cgraph_encoder_encode_body): New.
70         (lto_output_node): Do not take written_decls argument; output clone_of
71         pointer.
72         (add_node_to): Add include_body_argument; call
73         lto_set_cgraph_encoder_encode_body on master of the clone.
74         (add_references): Update use of add_node_to.
75         (compute_ltrans_boundary): Likewise.
76         (output_cgraph): Do not create written_decls bitmap.
77         (input_node): Take nodes argument; stream in clone_of correctly.
78         (input_cgraph_1): Update use of input_node.
79         * lto-streamer-out.c (lto_output): Use encoder info to decide
80         what bodies to output.
81         * ipa-inline.c (cgraph_clone_inlined_nodes,
82         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
83         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
84         (lto_cgraph_encoder_size): Define here.
85         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
86         Declare.
87
88 2010-05-16  Richard Guenther  <rguenther@suse.de>
89
90         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
91         -fipa-type-escape.
92         * ipa-type-escape.c (gate_type_escape_vars): Run when
93         -fipa-struct-reorg runs.
94         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
95         * common.opt (fipa-type-escape): Remove.
96
97 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
98
99         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
100         (decode_options): Likewise.
101         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
102
103 2010-05-16  Jan Hubicka  <jh@suse.cz>
104
105         * ipa.c (function_and_variable_visibility): Also bring local all
106         aliases.
107
108 2010-05-16  Richard Guenther  <rguenther@suse.de>
109
110         * alias.c (nonoverlapping_memrefs_p): Remove use of
111         IPA type-escape information.
112
113 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
114
115         * c-common.c (c_common_reswords): Add _Static_assert for C.
116         * c-parser.c (c_token_starts_declaration,
117         c_parser_next_token_starts_declaration,
118         c_parser_static_assert_declaration_no_semi,
119         c_parser_static_assert_declaration): New.
120         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
121         Handle static assertions if static_assert_ok.
122         (c_parser_external_declaration, c_parser_declaration_or_fndef,
123         c_parser_compound_statement_nostart, c_parser_label,
124         c_parser_for_statement, c_parser_objc_methodprotolist,
125         c_parser_omp_for_loop): All callers of
126         c_parser_declaration_or_fndef changed.
127         (c_parser_struct_declaration): Handle static assertions.
128         (c_parser_compound_statement_nostart): Use
129         c_parser_next_token_starts_declaration and
130         c_token_starts_declaration to detect start of declarations.
131         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
132         Likewise.
133
134 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
135
136         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
137         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
138         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
139         TARGET_FUNCTION_VALUE_REGNO_P): Define.
140         (mmix_function_outgoing_value): Rename to...
141         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
142         (mmix_function_value_regno_p): Make static.
143         (mmix_libcall_value): New function.
144         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
145         mmix_function_value_regno_p): Remove declaration.
146
147 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
148
149         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
150         BUILT_IN_ALLOCA if stack checking is enabled.
151
152 2010-05-16  Richard Guenther  <rguenther@suse.de>
153
154         * var-tracking.c (vars_copy_1): Inline ...
155         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
156         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
157         (variable_merge_over_cur): Adjust.  Merge asserts.
158         (variable_merge_over_src): Likewise.
159         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
160         (variable_post_merge_new_vals): Merge asserts.
161         (variable_post_merge_perm_vals): Likewise.
162         (find_mem_expr_in_1pdv): Likewise.
163         (dataflow_set_different_value): Remove.
164         (onepart_variable_different_p): Merge asserts.
165         (variable_different_p): Likewise.
166         (dataflow_set_different_1): Inline ...
167         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
168         (emit_notes_for_differences_1): Merge asserts.
169
170 2010-05-16  Richard Guenther  <rguenther@suse.de>
171
172         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
173         * optabs.c (libfunc_decl_hash): Likewise.
174         * varasm.c (emutls_decl): Likewise.
175
176 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
177
178         * c-decl.c: Don't include gimple.h.
179         (merge_decls): Do not copy gimple_body.
180
181 2010-05-15  Jason Merrill  <jason@redhat.com>
182
183         * c.opt: Add -fnothrow-opt.
184
185 2010-05-15  Jan Hubicka  <jh@suse.cz>
186
187         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
188         analyzed.
189         * passes.c (ipa_write_summaries): Write all analyzed nodes.
190
191 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
192
193         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
194         * Makefile.in: Add it.
195         Fix all other Makefile dependencies for changes below.
196         * tree.h: Include it instead of defining VEC primitives here.
197         * gimple.h: Likewise.
198         * rtl.h: Likewise.
199         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
200         * except.h: Include vecir.h, break dependence on tree.h.
201
202         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
203         Move from here...
204         * tree-iterator.c: ...to here.
205         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
206
207         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
208         tm_p.h.
209         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
210         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
211         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
212         tree-mudflap.h, and target.h.
213         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
214         predict.h, tree-inline.h, gimple.h, and langhooks.h.
215         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
216         Add FIXME for why gimple.h is still included (should be unnecessary
217         since GCC 4.5 gimplification unit-at-a-time).
218         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
219         * c-pragma.c: Add FIXME for why function.h needs to be included just
220         for cfun, at front-end level.
221         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
222         Do not include ggc.h, but include vecprim.h for VEC(char).
223         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
224         Explain why target.h is included.
225         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
226         Explain why gimple.h is included.
227         * c-ppoutput.c: Do not include tm.h.
228         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
229         * c-parses.c: Explain why rtl.h is included, and that this (and only
230         this) is also why tm.h must be included.
231         Do not include except.h.
232         * c-lang.c: Do not include ggc.h.
233
234 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
235
236         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
237
238 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
239
240         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
241         unions by default if those structs and unions have no tags.  Do
242         not condition anonymous struct and unions handling on flag_iso.
243         Allow anonymous structs and unions for C1X.
244         (finish_struct): Do not diagnose lack of named fields when
245         anonymous structs and unions present for C1X.  Accept flexible
246         array members in structure with anonymous structs or unions but no
247         directly named fields.
248         * doc/extend.texi (Unnamed Fields): Update.
249
250 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
251
252         * gimple.h (compare_field_offset): Rename into...
253         (gimple_compare_field_offset): ...this.
254         * gimple.c (compare_field_offset): Rename into...
255         (gimple_compare_field_offset): ...this.  Compare the full access if
256         the offset is self-referential.
257         (gimple_types_compatible_p): Adjust for above renaming.
258         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
259         DECL_NONADDRESSABLE_P flag of fields before merging them.
260
261 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
262
263         * tree.h (ctor_to_list): Delete.
264         * tree.c (ctor_to_list): Delete.
265
266 2010-05-15  Jan Hubicka  <jh@suse.cz>
267
268         * ipa-reference.c: Include toplev.h
269         (is_proper_for_analysis): Only add to all_module_statics
270         if it is allocated.
271         (write_node_summary_p, stream_out_bitmap,
272         ipa_reference_write_optimization_summary,
273         ipa_reference_read_optimization_summary): New.
274         (struct ipa_opt_pass_d pass_ipa_reference): Add
275         optimization summary streaming.
276         * lto-cgraph.c (referenced_from_this_partition_p,
277         reachable_from_this_partition_p): New functions.
278         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
279         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
280         * opts.c (decode_options): Enable ipa_reference.
281         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
282         * lto-streamer.h (referenced_from_this_partition_p,
283         reachable_from_this_partition_p): Declare.
284
285 2010-05-15  Richard Guenther  <rguenther@suse.de>
286
287         PR tree-optimization/44038
288         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
289         taking the address of a V_C_E of a constant.
290
291 2010-05-14  Jan Hubicka  <jh@suse.cz>
292
293         * tree.h (memory_identifier_string): Remove.
294         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
295         (ipa_reference_global_vars_info_d): Remove statics_not_read and
296         statics_not_written.
297         (ipa_reference_optimization_summary_d): New structure.
298         (ipa_reference_optimization_summary_t): New type and vector.
299         (ipa_reference_vars_info_d): Embedd structures instead of using
300         pointers.
301         (reference_vars_to_consider): Remove out of GGC space.
302         (module_statics_escape): Remove.
303         (global_info_obstack): Rename to ...
304         (optimization_summary_obstack): ... this one.
305         (initialization_status_t): Remove.
306         (memory_identifier_string): Remove.
307         (get_reference_vars_info): Fix indenting.
308         (set_reference_vars_info): Likewise.
309         (get_reference_optimization_summary): New.
310         (set_reference_optimization_summary): New.
311         (get_global_reference_vars_info): Remove.
312         (ipa_reference_get_read_global): Remove.
313         (ipa_reference_get_written_global): Remove.
314         (ipa_reference_get_not_read_global): Update.
315         (ipa_reference_get_not_written_global): Update.
316         (is_proper_for_analysis): Outlaw addressable.
317         (propagate_bits): Update for new datastructures.
318         (analyze_variable): Remove.
319         (init_function_info): Update for new datastructures.
320         (clean_function_local_data): Remove.
321         (clean_function): Remove.
322         (copy_global_bitmap): Use optimizations_summary_obstack.
323         (duplicate_node_data): Duplicate optimization summary only.
324         (remove_node_data): Remove optimization summary only.
325         (generate_summary): Do not analyze variables; do not compute
326         module_statics_escape; do not prune solutions by it.
327         (read_write_all_from_decl): Fix typos in comments.
328         (propagate): Doscover readonly and nonaddressable first;
329         update for new datastructures; share global bitmaps.
330         * ipa-reference.h (ipa_reference_get_read_global,
331         ipa_reference_get_written_global): Remove.
332         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
333         * Makefile.in: Remove ipa-refereference from GT files.
334
335 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
336
337         PR debug/44112
338         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
339         for all SYMBOL_REF_DECLs.
340
341 2010-05-14  Jan Hubicka  <jh@suse.cz>
342
343         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
344         (varpool_all_refs_explicit_p): New inline function.
345         * ipa-reference.c: Update comment.
346         (module_statics_written): Remove.
347         (get_static_decl): Remove.
348         (ipa_init): Do not initialize module_statics_written.
349         (analyze_function): Likewise.
350         (generate_summary): Likewise; do not compute module_statics_readonly
351         and do not update variable flags.
352         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
353         * ipa.c: Inlucde flags.h
354         (cgraph_local_node_p): New.
355         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
356         promote functions to local.
357         (ipa_discover_readonly_nonaddressable_vars): New function.
358         (function_and_variable_visibility): Use cgraph_local_node_p.
359         * varpool.c (varpool_finalize_decl): Set force_output for
360         DECL_PRESERVE_P vars.
361
362 2010-05-14  Jan Hubicka  <jh@suse.cz>
363
364         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
365
366 2010-05-14  Richard Guenther  <rguenther@suse.de>
367
368         PR tree-optimization/44119
369         * tree-ssa-pre.c (eliminate): Properly mark replacement of
370         a PHI node necessary.
371
372 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
373
374         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
375
376 2010-05-14  Jason Merrill  <jason@redhat.com>
377
378         PR c++/44127
379         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
380         (gimple_call_set_nothrow): New.
381         * gimple.c (gimple_build_call_from_tree): Call it.
382         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
383
384         PR c++/44127
385         * gimplify.c (gimplify_seq_add_stmt): No longer static.
386         * gimple.h: Declare it.
387         * gimple.c (gimple_build_eh_filter): No ops.
388
389 2010-05-14  Jan Hubicka  <jh@suse.cz>
390
391         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
392         nodes already in queue.
393         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
394         re-enqueueing node.
395
396 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
397
398         PR debug/44136
399         * cfgexpand.c (expand_debug_expr): If non-memory op0
400         has BLKmode, return NULL.
401
402 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
403
404         * config.gcc: Add support for --with-cpu option for bdver1.
405         * config/i386/i386.h (TARGET_BDVER1): New macro.
406         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
407         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
408         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
409         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
410         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
411         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
412         (processor_type): Add PROCESSOR_BDVER1.
413         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
414         processor_type in config/i386/i386.h.
415         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
416         movaps <reg, reg> instead of movapd <reg, reg> when replacing
417         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
418         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
419         to emit packed xor instead of packed double/packed integer
420         xor for SSE and AVX when moving a zero value.
421         * config/i386/sse.md: Add check for
422         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
423         movapd/movdqa for SSE and AVX.
424         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
425         single logical operations i.e and, or and xor instead of packed double
426         logical operations for SSE and AVX.
427         * config/i386/i386-c.c (ix86_target_macros_internal):
428         Add PROCESSOR_BDVER1.
429         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
430         (has_fma4, has_xop): New.
431         * config/i386/i386.c (bdver1_cost): New variable.
432         (m_BDVER1): New macro.
433         (m_AMD_MULTIPLE): Add m_BDVER1.
434         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
435         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
436         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
437         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
438         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
439         x86_tune_sse_partial_reg_dependency,
440         x86_tune_sse_unaligned_load_optimal,
441         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
442         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
443         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
444         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
445         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
446         Enable/disable for bdver1.
447         (processor_target_table): Add bdver1_cost.
448         (cpu_names): Add bdver1.
449         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
450          processor_alias_table.
451         (ix86_expand_vector_move_misalign): Change.
452         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
453         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
454         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
455         of movupd/movdqu for SSE and AVX.
456         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
457         (ix86_tune_adjust_cost): Add code for bdver1.
458         (standard_sse_constant_opcode): Add check for
459         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
460         of packed double xor for SSE and AVX.
461
462 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
463
464         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
465         result to unsigned.
466
467 2010-05-14  Tristan Gingold  <gingold@adacore.com>
468
469         * toplev.c (default_debug_hooks): Remove this variable.
470         (process_options): Remove assignments to default_debug_hooks.
471
472 2010-05-14  Martin Jambor  <mjambor@suse.cz>
473
474         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
475         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
476         * langhooks.h (struct lang_hooks_for_decls): Removed field
477         fold_obj_type_ref.
478         * tree.c (free_lang_data): Remove assignment to
479         lang_hooks.fold_obj_type_ref.
480         * tree.def (OBJ_TYPE_REF): Update comment.
481
482 2010-05-14  Richard Guenther  <rguenther@suse.de>
483
484         PR tree-optimization/44124
485         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
486
487 2010-05-14  Alan Modra  <amodra@gmail.com>
488
489         PR target/44075
490         * config/rs6000/rs6000.c (struct machine_function): Reorder
491         fields for better packing.  Add lr_save_state.
492         (rs6000_ra_ever_killed): Return lr_save_state if set.
493         (rs6000_emit_eh_reg_restore): Set lr_save_state.
494
495 2010-05-13  Jan Hubicka  <jh@suse.cz>
496
497         * varpool.c (decide_is_variable_needed): Drop code checking
498         TREE_SYMBOL_REFERENCED.
499
500 2010-05-13  Jan Hubicka  <jh@suse.cz>
501
502         * final.c (output_addr_const): Do not call mark_decl_referenced.
503         * cgraphunit.c (process_function_and_variable_attributes): Use
504         mark_needed_node dirrectly.
505         (assemble_thunk): Do not call mark_decl_referenced.
506
507 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
508
509         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
510
511 2010-05-13  Jeff Law  <law@redhat.com>
512
513         * ira-conflicts.c (print_allocno_conflicts): New function broken out
514         from...
515         (print_conflicts): Call print_allocno_conflicts.
516
517 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
518
519         PR debug/44104
520         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
521         if it is NULL.
522
523 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
524
525         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
526         t-mingw-w64 or t-mingw-w32 for multilib configuration.
527         * config/i386/t-mingw-w32: New.
528         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
529
530 2010-05-13  Martin Jambor  <mjambor@suse.cz>
531
532         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
533         gimple-fold.c).
534         * gimple-fold.c (get_base_binfo_for_type): New function.
535         (gimple_get_relevant_ref_binfo): Likewise.
536         (gimple_fold_obj_type_ref_known_binfo): Likewise.
537         (gimple_fold_obj_type_ref): Likewise.
538         (fold_gimple_call): Simplify condition for folding virtual calls
539         and call gimple_fold_obj_type_ref.
540         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
541         (gimple_fold_obj_type_ref_known_binfo): Likewise.
542
543 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
544
545         * config/rs6000/rs6000-protos.h
546         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
547         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
548         (rs6000_debug_mode_dependent_address)
549         (rs6000_mode_dependent_address_ptr): Likewise.
550
551 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
552
553         PR debug/43983
554         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
555         by SRA.
556         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
557         * tree-sra.c (create_access_replacement): Call unshare_expr before
558         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
559         * dwarf2out.c: Include tree-flow.h.
560         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
561         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
562         Handle DW_OP_bit_piece.
563         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
564         construct_piece_list, adjust_piece_list): New functions.
565         (add_var_loc_to_decl): Handle SRA optimized variables.
566         Adjust for var_loc_note to loc field renaming.
567         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
568         in VAR_LOCATION note.
569         (new_loc_descr_op_bit_piece): New function.
570         (dw_sra_loc_expr): New function.
571         (dw_loc_list): Use it.  Don't handle the last range after the
572         loop, handle it inside of the loop.  Adjust for var_loc_note
573         to loc field renaming.
574         (add_location_or_const_value_attribute): Only special case
575         single entry loc lists if loc is NOTE_P.  Adjust for
576         var_loc_note to loc field renaming.
577         (dwarf2out_var_location): Don't set newloc->var_loc_note
578         and newloc->next here.
579
580 2010-05-12  Jan Hubicka  <jh@suse.cz>
581
582         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
583         flag.
584         * cgraph.h (cgraph_only_called_directly_p,
585         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
586         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
587         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
588         (assemble
589         * ipa.c (cgraph_remove_unreachable_nodes): Use
590         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
591         flags.
592         * tree-inline.c (copy_bb): Check address_taken flag.
593         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
594         externally_visible flag.
595
596 2010-05-12  Jason Merrill  <jason@redhat.com>
597
598         PR bootstrap/44048
599         PR target/44099
600         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
601         * sdbout.c (plain_type_1): Likewise.
602         * dwarf2out.c (is_base_type): Likewise.
603         (gen_type_die_with_usage): Likewise.  Generate
604         DW_TAG_unspecified_type for any LANG_TYPE.
605
606 2010-05-12  Jan Hubicka  <jh@suse.cz>
607
608         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
609         indrect edges too.
610         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
611         (cgraph_clone_edge): Update.
612         (cgraph_node_remove_callees): Remove indirect calls too.
613         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
614         (cgraph_create_indirect_edge): Update prototype.
615         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
616         is_proper_for_analysis.
617         (add_new_function, visited_nodes, function_insertion_hook_holder,
618         get_local_reference_vars_info, mark_address_taken, mark_address,
619         mark_load, mark_store, check_asm_memory_clobber, check_call,
620         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
621         (ipa_init): Do not initialize visited_nodes;
622         function_insertion_hook_holder.
623         (analyze_variable): Rewrite.
624         (analyze_function): Rewrite.
625         (copy_local_bitmap): Remove.
626         (duplicate_node_dat): Do not duplicate local info.
627         (generate_summary): Simplify to only walk cgraph.
628         (write_node_summary_p, ipa_reference_write_summary,
629         ipa_reference_read_summary): Remove.
630         (propagate): Do not remove function insertion;
631         generate summary.
632         (pass_ipa_reference): NULLify summary handling fields.
633         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
634         (input_edge): Input ecf_flags.
635         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
636         (update_indirect_edges_after_inlining): Ignore edges with unknown
637         param.
638
639 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
640
641         * implicit-zee.c: New file.
642         * tree-pass.h (pass_implicit_zee): Declare.
643         * passes.c (init_optimization_passes): Add zee pass.
644         * common.opt (fzee): New flag.
645         * timevar.def (TV_ZEE): Define.
646         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
647         and beyond.
648         * Makefile.in (implicit-zee.o): Add new build file.
649
650 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
651             Nathan Froyd  <froydnj@codesourcery.com>
652
653         * c-common.c (sync_resolve_params): Remove write-only variable.
654
655 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
656
657         * target.h (struct gcc_target): Add mode_dependent_address_p field.
658         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
659         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
660         * targhooks.c (default_mode_dependent_address_p): New function.
661         * targhooks.h (default_mode_dependent_address_p): Declare function.
662         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
663         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
664         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
665         target hook. Change return type to bool.
666         * recog.h: (mode_dependent_address_p): Change return type to bool.
667
668 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
669             Nathan Froyd  <froydnj@codesourcery.com>
670
671         * tree-mudflap.c (build_function_type_0, build_function_type_1,
672         build_function_type_2, build_function_type_3): Remove.
673         (mudflap_init): Use build_function_type_list.
674
675 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
676             Nathan Froyd  <froydnj@codesourcery.com>
677
678         * coverage.c (build_fn_info_value): Call build_constructor instead of
679         build_constructor_from_list.
680         (build_ctr_info_value): Likewise.
681         (build_gcov_info): Likewise.
682
683 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
684
685         * tree.c (build_constructor): Compute TREE_CONSTANT for the
686         resultant constructor.
687         (build_constructor_single): Don't set TREE_CONSTANT.
688         (build_constructor_from_list): Don't compute TREE_CONSTANT.
689
690 2010-05-12  Jan Hubicka  <jh@suse.cz>
691
692         * cgraph.h (struct varpool_node): Add aux.
693         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
694         * varpool.c (varpool_remove_node): Do not remove initializer.
695         (varpool_reset_queue): Export.
696         (varpool_finalize_decl): Volatile vars are forced to be output.
697         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
698         replaced decl.
699         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
700         process_references, varpool_can_remove_if_no_refs): New functions.
701         (cgraph_remove_unreachable_nodes): Handle variables too.
702
703 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
704
705         PR target/44088
706         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
707
708 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
709
710         PR middle-end/44085
711         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
712         change value of ORT_TASK.
713         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
714         (omp_notice_threadprivate_variable): New function.
715         (omp_notice_variable): Call it for threadprivate variables.
716         If enclosing ctx is a task, print enclosing task rather than
717         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
718         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
719         if task has untied clause.
720
721         PR debug/42278
722         * dwarf2out.c (base_type_die): Don't add name attribute here.
723         (modified_type_die): Instead of sizetype use
724         its underlying original type.  If a DW_TAG_base_type doesn't
725         have name added, add __unknown__.
726         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
727         always call force_type_die instead.
728
729 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
730
731         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
732         for __stack_chk_guard.
733
734 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
735
736         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
737         don't call start_source_file debug hook here...
738         (finish_options): ... but here, after outputting predefined and
739         command line defines and undefs.
740
741         PR middle-end/44071
742         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
743         no fallthru edge.
744         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
745         optimizing away empty bb with no successors, move over its
746         footer chain to fallthru predecessor.
747         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
748         (rtl_split_edge): For asm goto call patch_jump_insn even if
749         splitting fallthru edge.
750
751         PR c++/44059
752         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
753         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
754         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
755         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
756         on DW.ref.* decls.
757
758         PR c++/44062
759         * c-parser.c (c_parser_expression): Mark LHS of a comma
760         expression as read if it is a decl, handled component or
761         COMPOUND_EXPR with that on the RHS.
762         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
763         if it is a decl or handled component.
764
765 2010-05-11  Jan Hubicka  <jh@suse.cz>
766
767         * lto-symtab.c (lto_symtab_free): New function.
768         * lto-streamer.h (lto_symtab_free): Declare.
769
770 2010-05-11  Jan Hubicka  <jh@suse.cz>
771
772         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
773         that if function is needed it is reachable.
774         (lto_output_node): See if it the function is reachable or referenced.
775         (output_cgraph): Update call of lto_output_node.
776         * lto-streamer.h (reachable_from_other_partition_p): Declare.
777
778 2010-05-11  Jan Hubicka  <jh@suse.cz>
779
780         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
781         Mark as used.
782
783 2010-05-11  Jan Hubicka  <jh@suse.cz>
784
785         PR tree-optimize/44063
786         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
787         queue.
788         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
789         limits.
790         (estimate_function_body_sizes): Compute sizes even when disregarding.
791
792 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
793
794         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
795
796 2010-05-11  Jan Hubicka  <jh@suse.cz>
797
798         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
799         into every boundary.
800
801 2010-05-11  Jan Hubicka  <jh@suse.cz>
802
803         * matrix-reorg.c (matrix_reorg): Rebuild edges.
804
805 2010-05-11  Jan Hubicka  <jh@suse.cz>
806
807         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
808         lto_streamer_cache_delete): Put nodes into heap.
809         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
810         heap.
811
812 2010-05-11  Jan Hubicka  <jh@suse.cz>
813
814         * cgraphbuild.c (cgraph_rebuild_references): New.
815         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
816         out extern inlines.
817         * cgraph.h (cgraph_rebuild_references): Declare.
818         * tree-inline.c (tree_function_versioning): Use it.
819         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
820
821 2010-05-11  Jan Hubicka  <jh@suse.cz>
822
823         * cgraph.c: Include ipa-utils.h
824         (cgraph_create_virtual_clone): Update references.
825         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
826
827 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
828
829         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
830         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
831         cache size.
832
833 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
834
835         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
836
837 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
838
839         * gcc.c (execute): For -### don't quote arguments that
840         contain just alphanumerics and _/-. characters.
841         * doc/invoke.texi: Document that change for -###.
842
843         PR debug/44023
844         * df-problems.c (struct dead_debug): Add to_rescan field.
845         (dead_debug_init): Clear to_rescan field.
846         (dead_debug_finish): Rescan all debug insns in to_rescan
847         bitmap and free the bitmap.
848         (dead_debug_insert_before): Instead of rescanning debug insns
849         immediately queue their rescanning until dead_debug_finish.
850         (df_note_bb_compute): After dead_debug_add do continue instead
851         of break.
852
853 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
854
855         PR debug/44028
856         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
857         clear also INSN_REG_USE_LIST.
858
859 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
860
861         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
862
863 2010-05-10  Jan Hubicka  <jh@suse.cz>
864
865         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
866         commited change.
867
868 2010-05-10  Jan Hubicka  <jh@suse.cz>
869
870         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
871         Allocate encoders.
872         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
873         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
874         (lto_streamer_cache_create): Init alloc pool.
875         (lto_streamer_cache_delete): Free alloc pool.
876         * lto-streamer.h: Include alloc pool.
877         (lto_streamer_cache_d): Use alloc pool.
878         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
879
880 2010-05-10  Jan Hubicka  <jh@suse.cz>
881
882         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
883         * cgraphbuild.c: Include except.h
884         (record_type_list, record_eh_tables): New function.
885         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
886
887 2010-05-10  Jan Hubicka  <jh@suse.cz>
888
889         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
890         __frame_dummy_init_array_entry, force_to_data): Attribute as used
891         rather than unused.
892
893 2010-05-10  Michael Matz  <matz@suse.de>
894
895         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
896         (can_reassociate_p): Use FLOAT_TYPE_P.
897         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
898         (vect_force_simple_reduction): ... this.
899         * tree-parloops.c (gather_scalar_reductions): Use
900         vect_force_simple_reduction.
901         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
902         vect_is_simple_reduction, add modify argument, if true rewrite
903         "a-b" into "a+(-b)".
904         (vect_is_simple_reduction, vect_force_simple_reduction): New
905         functions.
906         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
907
908 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
909             Vladimir Makarov  <vmakarov@redhat.com>
910
911         PR rtl-optimization/44012
912         * ira-build.c (remove_unnecessary_allocnos): Nullify
913         regno_allocno_map of the removed allocno.
914
915 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
916
917         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
918         to /dev/null.
919         * configure: Regenerate.
920
921 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
922
923         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
924         unused.
925         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
926         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
927         support in Sun ld.
928         * configure: Regenerate.
929
930 2010-05-10  Richard Guenther  <rguenther@suse.de>
931
932         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
933         marked if the entry identifier is marked.
934
935 2010-05-10  Richard Guenther  <rguenther@suse.de>
936
937         * c-common.c (struct c_common_attributes): Add fnspec attribute.
938         (handle_fnspec_attribute): New function.
939         * gimple.h (gimple_call_return_flags): Declare.
940         (gimple_call_arg_flags): Likewise.
941         * gimple.c (gimple_call_arg_flags): New function.
942         (gimple_call_return_flags): Likewise.
943         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
944         New argument flags.
945         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
946         return value flags.
947         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
948         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
949         main work to ...
950         (make_heapvar_for): ... this new function.
951         (handle_rhs_call): Handle fnspec attribute argument specifiers.
952         (handle_lhs_call): Likewise.
953         (find_func_aliases): Adjust.
954
955 2010-05-10  Richard Guenther  <rguenther@suse.de>
956
957         PR tree-optimization/44050
958         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
959
960 2010-05-10  Wei Guozhi  <carrot@google.com>
961
962         PR target/42879
963         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
964
965 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
966
967         PR c/10676
968         * c-typeck.c (lookup_field): Take a type directly.  Update
969         recursive calls.
970         (build_component_ref): Update call to lookup_field.
971         (set_init_label): Use lookup_field to find initialized field.
972         Handle returned list of fields like a sequence of designators.
973
974 2010-05-09  Richard Guenther  <rguenther@suse.de>
975
976         PR middle-end/44024
977         * fold-const.c (tree_single_nonzero_warnv_p): Properly
978         handle &FUNCTION_DECL.
979
980 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
981
982         PR c/4784
983         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
984         structures and unions recursively.
985         (detect_field_duplicates): Move duplicate detection with a hash to
986         detect_field_duplicates_hash.  Always use a hash if anonymous
987         structures or unions are present.
988         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
989         give errors.
990
991 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
992
993         PR target/44046
994         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
995         detect Atom, Core 2 and Core i7.
996
997 2010-05-09  Richard Guenther  <rguenther@suse.de>
998
999         * gcc.c (store_arg): Handle temporary file deletion for
1000         joined arguments.
1001
1002 2010-05-09  Richard Guenther  <rguenther@suse.de>
1003
1004         PR middle-end/44043
1005         * ipa-inline.c (estimate_function_body_sizes): Return after
1006         disregarding inline limits.
1007
1008 2010-05-09  Richard Guenther  <rguenther@suse.de>
1009
1010         * gcc.c (store_arg): Revert last change.
1011
1012 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1013
1014         PR middle-end/28685
1015         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1016         (optimize_ops_list): Call it.
1017
1018 2010-05-08  Richard Guenther  <rguenther@suse.de>
1019
1020         PR tree-optimization/44030
1021         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1022         NECESSARY flag if we propagate from a inserted expression.
1023
1024 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1025
1026         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1027         domain types as equal if they are both PLACEHOLDER_EXPRs.
1028
1029 2010-05-08  Richard Guenther  <rguenther@suse.de>
1030
1031         * lto-wrapper.c (run_gcc): Remove linker output from
1032         command line for LTRANS invocation.
1033
1034 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1035
1036         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1037         lto-macho as lto_binary_reader.
1038         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1039         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1040         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1041         in lto_start and lto_end calls.
1042         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1043         magic numbers.
1044         (scan_prog_file): Update is_elf_or_coff call.
1045         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1046
1047         * collect2.c (main): Fix enum comparison.
1048
1049         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1050         Add prototypes.
1051         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1052         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1053         and TARGET_ASM_LTO_END.
1054         * darwin.c: Include obstack.h and lto-streamer.h.
1055         (lto_section_names_offset, lto_section_names_obstack,
1056         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1057         global variables.
1058         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1059         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1060         to a temporary file.
1061         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1062         (darwin_asm_named_section): For LTO sections, replace the name with
1063         the offset of the section name in a string table, and build this
1064         table.
1065         (darwin_file_start): Initialize global vars for LTO support.
1066         (darwin_file_end): If output to asm_out_file was redirected, append it
1067         to the proper asm_out_file here.  Add the section names section.
1068
1069 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1070
1071         * c-pragma.c (pending_weak_d, pending_weak): New.
1072         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1073         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1074         handle_pragma_weak): Update the uses of pending_weaks.
1075
1076 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1077
1078         PR documentation/44016
1079         * doc/standards.texi (Standards): Link to unversioned
1080         cxx0x_status.html page.
1081
1082 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1083
1084         PR target/43708
1085         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1086         in addition to TREE_USED, to avoid "set but unused" warnings.
1087
1088 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1089
1090         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1091         (is_loop_prefetching_profitable): Do not insert prefetches
1092         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1093         times the prefetch ahead distance.
1094
1095 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1096
1097         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1098         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1099         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1100         the unroll_factor.
1101
1102 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1103
1104         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1105         a diagnostic info when the insn-to-mem ratio is too small.
1106
1107 2010-05-07  Richard Guenther <rguenther@suse.de>
1108
1109         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1110         the linker plugin.
1111         (store_arg): Queue temp_filename for deletion instead of
1112         the whole argument.
1113
1114 2010-05-07  Richard Guenther  <rguenther@suse.de>
1115
1116         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1117         (run_gcc): Handle LTRANS phase invocation.
1118         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1119
1120 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1121
1122         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1123         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1124
1125 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1126
1127         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1128
1129 2010-05-07  Richard Guenther  <rguenther@suse.de>
1130
1131         PR tree-optimization/44020
1132         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1133         code when PRE is not yet initialized.
1134
1135 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1136
1137         * config/mips/dbxmdebug.h: Remove.
1138         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1139
1140 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1141
1142         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1143         with null pointer and also warn about ordered comparison of zero with
1144         pointer if -Wextra.
1145
1146 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1147
1148         * graphite-blocking.c
1149         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1150         * graphite-clast-to-gimple.c
1151         (clast_to_gcc_expression): Same.
1152         (precision_for_value): Same.
1153         (precision_for_interval): Same.
1154         (gcc_type_for_interval): Same.
1155         (graphite_create_new_guard): Same.
1156         (compute_bounds_for_level): Same.
1157         (graphite_create_new_loop_guard): Same.
1158         * graphite-interchange.c
1159         (build_linearized_memory_access): Same.
1160         (pdr_stride_in_loop): Same.
1161         (memory_strides_in_loop_1): Same.
1162         (memory_strides_in_loop): Same.
1163         (extend_scattering): Same.
1164         (psct_scattering_dim_for_loop_depth): Same.
1165         (pbb_number_of_iterations): Same.
1166         * graphite-poly.h
1167         (debug_iteration_domains): Same.
1168         * graphite-ppl.c
1169         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1170         (ppl_set_inhomogeneous_gmp): Same.
1171         (ppl_strip_loop): Same.
1172         (ppl_lexico_compare_linear_expressions): Same.
1173         (ppl_read_polyhedron_matrix): Same.
1174         (ppl_max_for_le_pointset): Same.
1175         * graphite-ppl.h
1176         (ppl_read_polyhedron_matrix): Same.
1177         (tree_int_to_gmp): Same.
1178         (gmp_cst_to_tree): Same.
1179         (ppl_set_inhomogeneous): Same.
1180         (ppl_set_inhomogeneous_tree): Same.
1181         (ppl_set_coef): Same.
1182         (ppl_set_coef_tree): Same.
1183         * graphite-sese-to-poly.c
1184         (build_pbb_scattering_polyhedrons): Same.
1185         (build_scop_scattering): Same.
1186         (scan_tree_for_params_right_scev): Same.
1187         (scan_tree_for_params): Same.
1188         (find_params_in_bb): Same.
1189         (find_scop_parameters): Same.
1190         (add_upper_bounds_from_estimated_nit): Same.
1191         (build_loop_iteration_domains): Same.
1192         (add_condition_to_domain): Same.
1193         (pdr_add_memory_accesses): Same.
1194
1195 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1196
1197         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1198         CLooG's value_* macros to their respective mpz_* counterparts.
1199         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1200         (graphite_create_new_loop_guard): Same.
1201         * graphite-interchange.c (build_linearized_memory_access): Same.
1202         (pdr_stride_in_loop): Same.
1203         (memory_strides_in_loop_1): Same.
1204         (1st_interchange_profitable_p): Same.
1205         * graphite-poly.c (extend_scattering): Same.
1206         (psct_scattering_dim_for_loop_depth): Same.
1207         (pbb_number_of_iterations): Same.
1208         (pbb_number_of_iterations_at_time): Same.
1209         * graphite-poly.h (new_1st_loop): Same.
1210         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1211         (oppose_constraint): Same.
1212         (insert_constraint_into_matrix): Same.
1213         (ppl_set_inhomogeneous_gmp): Same.
1214         (ppl_set_coef_gmp): Same.
1215         (ppl_strip_loop): Same.
1216         (ppl_lexico_compare_linear_expressions): Same.
1217         (ppl_max_for_le_pointset): Same.
1218         (ppl_min_for_le_pointset): Same.
1219         (ppl_build_realtion): Same.
1220         * graphite-ppl.h (gmp_cst_to_tree): Same.
1221         (ppl_set_inhomogeneous): Same.
1222         (ppl_set_inhomogeneous_tree): Same.
1223         (ppl_set_coef): Same.
1224         (ppl_set_coef_tree): Same.
1225         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1226         (build_scop_scattering): Same.
1227         (add_value_to_dim): Same.
1228         (scan_tree_for_params_right_scev): Same.
1229         (scan_tree_for_params_int): Same.
1230         (scan_tree_for_params): Same.
1231         (find_params_in_bb): Same.
1232         (find_scop_parameters): Same.
1233         (add_upper_bounds_from_estimated_nit): Same.
1234         (build_loop_iteration_domains): Same.
1235         (create_linear_expr_from_tree): Same.
1236         (add_condition_to_domain): Same.
1237         (pdr_add_memory_accesses): Same.
1238
1239 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1240             Jason Merrill  <jason@redhat.com>
1241
1242         * c-common.c (c_common_reswords): Add nullptr.
1243         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1244         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1245         (gen_type_die_with_usage): Likewise.
1246         * dbxout.c (dbxout_type): Likewise.
1247         * sdbout.c (plain_type_1): Likewise.
1248
1249 2010-05-06  Jason Merrill  <jason@redhat.com>
1250
1251         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1252         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1253         ret appropriately.
1254         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1255
1256         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1257         stripping WITH_SIZE_EXPR.
1258         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1259         change.
1260
1261 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1262
1263         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1264         list of obsolete configurations.
1265         Disabled check for obsolete configurations.
1266         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1267         Removed support for previous versions.
1268         * config/mips/iris.h: Removed.
1269         * config/mips/iris5.h: Removed.
1270         * config/mips/iris6.h: Merged old iris.h contents.
1271         (TARGET_IRIX): Removed.
1272         (DRIVER_SELF_SPECS): Removed mabi=32.
1273         (IDENT_ASM_OP): Removed undef.
1274         (STARTFILE_SPEC): Removed mabi=32.
1275         (ENDFILE_SPEC): Likewise.
1276         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1277         (MACHINE_TYPE): Update for IRIX 6.5.
1278         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1279         TARGET_IRIX by TARGET_IRIX6.
1280         (mips_file_start): Likewise.
1281         (mips_output_external): Remove IRIX 5/6 O32 support.
1282         (mips_output_function_prologue): Likewise.
1283         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1284         TARGET_IRIX6.
1285         (TARGET_CPU_CPP_BUILTINS): Likewise.
1286         (TARGET_IRIX): Removed.
1287         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1288         (MULTILIB_DIRNAMES): Removed 32.
1289         (MULTILIB_OSDIRNAMES): Removed ../lib.
1290         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1291         (Specific, mips-sgi-irix5): Document removal.
1292         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1293         Remove references to older IRIX 6 releases and the O32 ABI.
1294
1295 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1296
1297         PR bootstrap/43994
1298         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1299         instead of DF_REF_REAL_REG.
1300
1301 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1302
1303         PR target/43888
1304         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1305         handling to still return true for x64 targets.
1306
1307 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1308
1309         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1310
1311 2010-05-06  Jan Hubicka  <jh@suse.cz>
1312
1313         PR tree-optimization/43791
1314         * ipa-inline.c (update_caller_keys): Remove bogus
1315         disregard_inline_limits check.
1316
1317 2010-05-06  Michael Matz  <matz@suse.de>
1318
1319         PR tree-optimization/43984
1320         * tree-ssa-pre.c (inserted_phi_names): Remove.
1321         (inserted_exprs): Change to bitmap.
1322         (create_expression_by_pieces): Set bits, don't append to vector.
1323         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1324         (eliminate): Don't look at inserted_phi_names, remove deleted
1325         insns from inserted_exprs.
1326         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1327         (init_pre, fini_pre): Allocate and free bitmaps.
1328         (execute_pre): Insert insns on edges before elimination.
1329
1330 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1331
1332         * tree.c (initializer_zerop): Handle STRING_CST.
1333
1334 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1335
1336         PR 40989
1337         * doc/invoke.texi (Wimplicit): Document as C only.
1338         * opts.c (common_handle_option): Add argument kind.
1339         (handle_option): Rename as read_cmdline_option. Factor out code to...
1340         (handle_option): ... here. New.
1341         (handle_options): Rename as read_cmdline_options.
1342         (decode_options): Update call.
1343         (set_option): Use option index instead of option pointer. Classify
1344         diagnostics correctly.
1345         (enable_warning_as_error): Call handle_option.
1346         * opts.h (set_option): Update declaration.
1347         (handle_option): Declare.
1348         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1349         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1350         * c-opts.c (set_Wimplicit): Delete.
1351         (c_family_lang_mask): New static constant.
1352         (c_common_handle_option): Add argument kind. Use handle_option
1353         instead of set_Wimplicit.
1354         (c_common_post_options): warn_implicit and warn_implicit_int
1355         are disabled by default.
1356         * c-common.c (warn_implicit): Do not define here.
1357         * c-common.h (warn_implicit): Do not declare here.
1358         (c_common_handle_option): Update declaration.
1359         * lto-opts.c (lto_reissue_options): Update call to set_option.
1360
1361 2010-05-06  Richard Guenther  <rguenther@suse.de>
1362
1363         PR tree-optimization/43571
1364         * domwalk.c (walk_dominator_tree): Walk the dominator
1365         sons in more optimal order.
1366
1367 2010-05-06  Richard Guenther  <rguenther@suse.de>
1368
1369         PR tree-optimization/43934
1370         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1371         (stmt_cost): Likewise.
1372         (extract_true_false_args_from_phi): New helper.
1373         (determine_max_movement): For PHI nodes verify we can hoist them
1374         and compute their cost.
1375         (determine_invariantness_stmt): Handle PHI nodes.
1376         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1377         if-converted form using COND_EXPRs.
1378         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1379         (tree_ssa_lim): Likewise.
1380         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1381         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1382
1383 2010-05-06  Richard Guenther  <rguenther@suse.de>
1384
1385         PR tree-optimization/43987
1386         * tree-ssa-structalias.c (could_have_pointers): For possibly
1387         address-taken variables force pointers to be recorded.
1388         (create_variable_info_for_1): Likewise.
1389         (push_fields_onto_fieldstack): Pass in wheter all fields
1390         must have pointers.
1391         (find_func_aliases): Query types instead of vars whether
1392         they contain pointers where appropriate.
1393
1394 2010-05-06  Jan Hubicka  <jh@suse.cz>
1395
1396         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1397         (record_reference, mark_address, mark_load, mark_store): Record
1398         references.
1399         (record_references_in_initializer): Update call of record_references.
1400         (rebuild_cgraph_edges): Remove all references before rebuiding.
1401         * cgraph.c (cgraph_create_node): Clear ref list.
1402         (cgraph_remove_node): Remove references.
1403         (dump_cgraph_node): Dump references.
1404         (cgraph_clone_node): Clone references.
1405         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1406         (struct cgraph_node, varpool_node): Add ref_lst.
1407         * ipa-ref.c: New file.
1408         * ipa-ref.h: New file.
1409         * ipa-ref-inline.h: New file.
1410         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1411         (referenced_from_other_partition_p): New function.
1412         (lto_output_varpool_node): Take set arugment; call
1413         referenced_from_other_partition.
1414         (lto_output_ref): New.
1415         (add_references): New.
1416         (output_refs): New.
1417         (output_cgraph): Compute boundary based on references; output refs.
1418         (output_varpool): Accept cgraph_node_set argument.
1419         (input_ref): New.
1420         (input_refs): New.
1421         (input_cgraph): Call input_refs.
1422         * lto-section-in.c (lto_section_name): Add refs.
1423         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1424         (ipa-ref.o): New file.
1425         * varpool.c (varpool_node): Clear ipa ref list.
1426         (varpool_remove_node): Remove references.
1427         (dump_varpool_node): Dump references.
1428         (varpool_assemble_decl): Only compile finalized ones.
1429         (varpool_extra_name_alias): Initialize ref list.
1430         * lto-streamer.c (lto-get_section_name): Add .refs section.
1431         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1432         (referenced_from_other_partition_p): Declared.
1433
1434 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1435
1436         PR tree-optimization/43901
1437         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1438         type is not NULL if it's transformation phase, and return
1439         FALSE if it's analysis.
1440         (vectorizable_conversion, vectorizable_operation,
1441         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1442
1443 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1444
1445         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1446         Delete.
1447         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1448         New define.
1449         * config/mips/mips-protos.h
1450         (mips_small_register_classes_for_mode_p): Delete prototype.
1451
1452 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1453
1454         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1455         * config/arm/arm.c (multiple_operation_profitable_p,
1456         compute_offset_order): New static functions.
1457         (load_multiple_sequence, store_multiple_sequence): Use them.
1458         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1459         memory offsets, not register numbers.
1460         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1461
1462 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1463
1464         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1465         (get_pending_sizes, put_pending_size, put_pending_sizes):
1466         Update the uses of pending_sizes.
1467         * c-decl.c (store_parm_decls): Likewise.
1468         * c-tree.h (struct c_arg_info): Likewise.
1469         * tree.h: Update the prototype for get_pending_sizes and
1470         put_pending_sizes.
1471
1472 2010-05-05  Jason Merrill  <jason@redhat.com>
1473
1474         PR debug/43370
1475         * c-common.c (handle_aligned_attribute): Respect
1476         ATTR_FLAG_TYPE_IN_PLACE.
1477
1478         PR testsuite/43758
1479         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1480         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1481         (TARGET_INITIALIZER): Use it.
1482         * c-common.c (attribute_takes_identifier_p): Call it.
1483         * c-common.h: Update prototype.
1484         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1485         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1486
1487 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR debug/43950
1490         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1491         DW_ID_down_case for Fortran compilation units.
1492
1493 2010-05-05  Jan Hubicka  <jh@suse.cz>
1494
1495         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1496         handle aliases.
1497
1498 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1499
1500         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1501         a variable-sized RESULT_DECL.
1502
1503 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1504
1505         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1506
1507 2010-05-05  Jason Merrill  <jason@redhat.com>
1508
1509         PR c++/43787
1510         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1511         returns GS_OK.
1512         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1513
1514 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1515             Jakub Jelinek  <jakub@redhat.com>
1516
1517         PR debug/43478
1518         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1519         (dead_debug_init, dead_debug_finish): New functions.
1520         (dead_debug_add, dead_debug_insert_before): Likewise.
1521         (df_note_bb_compute): Initialize a dead_debug object, add dead
1522         debug uses to it, insert debug bind insns before death insns,
1523         reset debug insns that refer to pending uses at the end.
1524         * rtl.h (make_debug_expr_from_rtl): New prototype.
1525         * varasm.c (make_debug_expr_from_rtl): New function.
1526
1527 2010-05-05  Jan Hubicka  <jh@suse.cz>
1528
1529         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1530         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1531         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1532         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1533         lto_varpool_encoder_encode_initializer_p,
1534         lto_set_varpool_encoder_encode_initializer): New functions.
1535         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1536         call output_varpool.
1537         (input_varpool_node): Do not always set analyzed.
1538         (input_cgraph_1): Return vector of cgraph nodes.
1539         (input_varpool_1): Return vector of varpools.
1540         (input_cgraph): Free the vectors.
1541         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1542         output only initializers needed.
1543         (lto_output): Only call output_cgraph.
1544         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1545         * lto-section-out.c (lto_new_out_decl_state): Initialize
1546         state->varpool_node_encoder.
1547         * lto-streamer.h (lto_varpool_encoder_d): New.
1548         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1549         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1550         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1551         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1552         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1553         Declare.
1554         (output_varpool, input_varpool): Remove declarations.
1555
1556 2010-05-05  Jan Hubicka  <jh@suse.cz>
1557
1558         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1559         with body can prevail.
1560
1561 2010-05-05  Jan Hubicka  <jh@suse.cz>
1562
1563         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1564         size.
1565
1566 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1567
1568         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1569
1570         * gengtype.h (erro_at_line): Constify pos argument.
1571
1572         * gengtype.c: Include hashtab.h.
1573         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1574         (error_at_line): Constify pos argument.
1575         (do_typedef): Initialize p->opt field.
1576         (get_file_gtfilename): Fix comment typo.
1577         (struct walk_type_data): Constify line field.
1578         (get_output_file_for_structure): New function.
1579         (write_local_func_for_structure): Constify orig_s argument.
1580         Use get_output_file_for_structure.
1581         (write_func_for_structure): Use get_output_file_for_structure.
1582         (INDENT): New define.
1583         (dump_pair, dump_type, dump_type_list, dump_typekind)
1584         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1585         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1586         functions.
1587         (seen_types): New variable.
1588         (main): New variable do_dump.  Process "-d" command line option.
1589         Call dump_everything if dump requested.
1590
1591 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1592
1593         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1594         in a temporary instead of invoking the macro multiple times.
1595         (track_expr_p): Likewise.
1596
1597 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1598
1599         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1600         per new semantics.
1601         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1602         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1603         conditions for printing notes.
1604         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1605         true, update documentation.
1606         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1607
1608 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1609
1610         PR c/43981
1611         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1612         on dimen.
1613
1614 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1615
1616         PR target/43799
1617         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1618         (*sse_prologue_save_insn1): Likewise.
1619         (SSE prologue save splitter): Likewise.
1620
1621 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1622
1623         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1624         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1625         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1626         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1627         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1628         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1629         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1630
1631 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1632
1633         * tree-sra.c (build_access_from_expr_1): The first parameter type
1634         changed to simple tree.
1635         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1636         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1637         renamed as well.
1638         (build_accesses_from_assign): Removed all parameters except for a
1639         simple gimple statement.  Now returns a simple bool.
1640         (scan_function): All non-analysis parts moved to separate functions
1641         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1642         parameters and updated both callers.
1643         (sra_modify_expr): Removed parameter data.
1644         (sra_modify_function_body): New function.
1645         (perform_intra_sra): Call sra_modify_function_body to modify the
1646         function body.
1647         (replace_removed_params_ssa_names): Parameter data changed into
1648         adjustments vector.
1649         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1650         changed the parameter dont_convert to convert with the opposite
1651         meaning.
1652         (sra_ipa_modify_assign): Parameter data changed into adjustments
1653         vector, return value changed to bool.
1654         (ipa_sra_modify_function_body): New function.
1655         (sra_ipa_reset_debug_stmts): Updated a comment.
1656         (modify_function): Use ipa_sra_modify_function_body to modify function
1657         body.
1658
1659 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1660
1661         PR middle-end/43671
1662         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1663         (canon_true_dependence): Likewise.
1664         (write_dependence_p): Likewise.
1665
1666 2010-05-04  Jan Hubicka  <jh@suse.cz>
1667
1668         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1669         * cgraphbuild.c: Include ipa-utils.h
1670         (record_reference_ctx): New struct.
1671         (record_reference): Simplify to work on initializers; not statements.
1672         (mark_address, mark_load, mark_store): New.
1673         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1674         walk PHI nodes too.
1675         (record_references_in_initializer): Update use of record_reference.
1676         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1677         walk PHI nodes too.
1678
1679 2010-05-04  Jan Hubicka  <jh@suse.cz>
1680
1681         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1682         node will be removed anyway.
1683         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1684         relink aliases of node into prevailing node.
1685         * varpool.c (varpool_remove_node): Remove aliases properly;
1686         when removing node, remove all its aliases too; remove DECL_INITIAL
1687         of removed node; ggc_free the varpool node.
1688
1689 2010-05-04  Richard Guenther  <rguenther@suse.de>
1690
1691         PR tree-optimization/43879
1692         * tree-ssa-structalias.c (alias_get_name): Use
1693         DECL_ASSEMBLER_NAME if available.
1694         (create_function_info_for): Return the varinfo node.
1695         (ipa_pta_execute): Associate same-body aliases and extra names
1696         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1697
1698 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1699
1700         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1701
1702 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1703
1704         PR bootstrap/43964
1705         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1706         only if HONOR_REG_ALLOC_ORDER is not defined.
1707
1708 2010-05-04  Richard Guenther  <rguenther@suse.de>
1709
1710         PR tree-optimization/43949
1711         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1712         TRUNC_MOD_EXPR.
1713
1714 2010-04-26  Jason Merrill  <jason@redhat.com>
1715
1716         * c.opt (-fstrict-enums): New.
1717         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1718
1719 2010-05-03  David Ung <davidu@mips.com>
1720             James E. Wilson  <wilson@codesourcery.com>
1721
1722         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1723         emit the trap instruction before the divide for TUNE_74K.
1724
1725 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1726
1727         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1728         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1729         based on the above, for new target hook.
1730
1731         * hooks.c (hook_bool_mode_true): New generic hook.
1732         * hooks.h (hook_bool_mode_true): Add prototype.
1733
1734         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1735         target hook.
1736         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1737         target hook, set to hook_bool_mode_false.
1738         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1739         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1740         with targetm.small_register_classes_for_mode_p.
1741         (find_reusable_reload): Likewise.
1742         (combine_reloads): Likewise.
1743         * reload1.c (reload_as_needed): Likewise.
1744         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1745         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1746         dead_or_predicable): Likewise.
1747         * regmove.c (optimize_reg_copy_1): Likewise.
1748         * calls.c (prepare_call_address): Likewise.
1749         (precompute_register_parameters): Likewise.
1750
1751         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1752         hook definition.
1753         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1754         implementation of the hook that considers all register classes
1755         small except for SH64.
1756         (sh_override_options): Use the new hook.
1757         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1758         Add prototype.
1759
1760         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1761         hook definition.
1762         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1763         implementation of the hook that considers all register classes
1764         small for THUMB1.
1765         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1766         Add prototype.
1767
1768         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1769         hook definition.
1770         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1771         implementation of the hook that considers all register classes
1772         small for MIPS16.
1773         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1774         Add prototype.
1775
1776         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1777         hook definition.
1778         * config/m32c/m32c.h: Likewise.
1779         * config/pdp11/pdp11.h: Likewise.
1780         * config/avr/avr.h: Likewise.
1781         * config/xtensa/xtensa.h: Likewise.
1782         * config/m68hc11/m68hc11.h: Likewise.
1783         * config/mn10300/mn10300.h: Likewise.
1784         * config/mcore/mcore.h: Likewise.
1785         * config/h8300/h8300.h: Likewise.
1786         * config/bfin/bfin.h: Likewise.
1787
1788         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1789         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1790
1791 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1792
1793         * double-int.h (tree_to_double_int): Remove macro.
1794         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1795         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1796         (tree_to_double_int): New function.
1797         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1798         Move ...
1799         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1800
1801 2010-05-03  Richard Guenther  <rguenther@suse.de>
1802
1803         PR tree-optimization/43971
1804         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1805         constraints in the !flag_delete_null_pointer_checks case.
1806
1807 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR debug/43972
1810         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1811         result mode matches original rtl mode.
1812
1813 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1814
1815         PR target/43888
1816         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1817
1818 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1819
1820         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1821         when processing flag options.
1822
1823 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1824
1825         * gcov-iov.c (main): Change format string placeholder
1826         from %#08x to 0x%08x.
1827         * genchecksum.c (dosum): Change format string placeholder
1828         from %#02x to 0x%02x.
1829
1830 2010-05-02  Richard Guenther  <rguenther@suse.de>
1831
1832         PR tree-optimization/43879
1833         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1834
1835 2010-05-02  Bruno Haible  <bruno@clisp.org>
1836
1837         * doc/extend.texi (Function Attributes): Fix a typo.
1838
1839 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         Revert:
1842         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1843         placeholder from 0x%x to %#x.
1844         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1845         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1846         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1847         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1848         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1849         * config/i386/i386.c (ix86_target_string): Ditto.
1850         * config/i386/i386.c (output_pic_addr_const): Ditto.
1851         (print_operand): Ditto.
1852
1853 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1854
1855         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1856         placeholder from 0x%x to %#x.
1857         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1858         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1859         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1860         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1861         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1862         * optc-gen.awk: Ditto.
1863         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1864         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1865         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1866         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1867
1868 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1869
1870         * target.h (struct calls): Add function_value_regno_p field.
1871         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1872         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1873         * targhooks.c (default_function_value_regno_p): New function.
1874         * targhooks.h (default_function_value_regno_p): Declare function.
1875         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1876         * builtins.c. (apply_result_size): (Ditto.).
1877         * combine.c. (likely_spilled_retval_p): (Ditto.).
1878         * mode-switching.c. Include 'target.h'.
1879         (create_pre_exit): Use function_value_regno_p hook.
1880         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1881         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1882         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1883
1884         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1885         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1886         (ix86_function_value_regno_p): Declare as static, change argument
1887         type to const unsigned int.
1888         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1889
1890 2010-05-01  Richard Guenther  <rguenther@suse.de>
1891
1892         PR tree-optimization/43949
1893         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1894         types.
1895         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1896
1897 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1898
1899         * rtl.h (CONST_DOUBLE_P): Define.
1900         (rtx_to_double_int): Declare.
1901         * emit-rtl.c (rtx_to_double_int): New function.
1902         * dwarf2out.c (insert_double): New function.
1903         (loc_descriptor, add_const_value_attribute): Clean up, use
1904         rtx_to_double_int and insert_double functions.
1905
1906 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1907
1908         * doc/extend.texi (Inline): Add missing return keyword to examples.
1909         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1910         "command-line".
1911
1912 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1913
1914         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1915         the variable part of the offset as well.  Use highest_pow2_factor for
1916         all alignment checks.
1917
1918 2010-04-30  Richard Guenther  <rguenther@suse.de>
1919
1920         PR tree-optimization/43879
1921         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1922         can have pointers.
1923
1924 2010-04-30  Jan Hubicka  <jh@suse.cz>
1925
1926         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1927         varpool.
1928         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1929
1930 2010-04-30  Jan Hubicka  <jh@suse.cz>
1931
1932         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1933         New.
1934         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1935         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1936         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1937         cgraph_node_set_needs_ltrans_p): Remove.
1938
1939 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1940
1941         * sdbout.c: Include vec.h, do not include varray.h.
1942         (deferred_global_decls, sdbout_global_decl,
1943         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1944         * toplev.c: Do not include varray.h.
1945         (dump_memory_report): Do not dump VARRAY statistics.
1946         * gengtype.c (open_base_file): Ignore varray.h.
1947         * Makefile.in: Update for abovementioned changes.
1948         Remove all traces of varray.c and varray.h.
1949         * varray.c: Remove file.
1950         * varray.h: Remove file.
1951
1952 2010-04-30  Jan Hubicka  <jh@suse.cz>
1953
1954         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1955         references.
1956
1957 2010-04-30  Jan Hubicka  <jh@suse.cz>
1958
1959         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1960         needed.
1961
1962 2010-04-30  Richard Guenther  <rguenther@suse.de>
1963
1964         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1965         constraints for CONSTRUCTOR.
1966
1967 2010-04-30  Richard Guenther  <rguenther@suse.de>
1968
1969         PR lto/43946
1970         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1971         first after all lowering passes.
1972
1973 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1974
1975         * toplev.c: Include varray.h for statistics dumping.
1976         * tree.h: Do not declare varray_head_tag.
1977         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1978         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1979         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1980         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1981         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1982         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1983         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1984         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1985         include varray.h.
1986         * Makefile.in: Update for abovementioned changes.
1987
1988 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1989
1990         PR debug/43942
1991         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1992
1993 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1994
1995         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1996         Use this function to do machine-specific conversion.
1997         (picochip_legitimize_reload_address): Likewise.
1998         (picochip_legitimate_address_p): Check valid base register only if
1999         strict.
2000         (picochip_check_conditional_copy): Check for modw only if opnd is
2001         register.
2002         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2003         to call the function in c.
2004         * config/picochip/picochip-protos.h
2005         (picochip_legitimize_reload_address): Define.
2006         * config/picochip/picochip.md (supported_compare1): Define.
2007
2008 2010-04-30  Jan Hubicka  <jh@suse.cz>
2009
2010         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2011         (cgraph_global_info): Remove inlined.
2012         (LTO_cgraph_tag_names): Remove.
2013         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2014         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2015         simplify cgraph tags and document.
2016         (lto_output_node): Use only LTO_cgraph_unavail_node and
2017         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2018         for_functions_valid, global info, process and output flags.
2019         (input_overwrite_node): Initialize estimated stack size and
2020         estimated growth.  Do not read flags we no longer store.
2021         (input_node): Likewise do not read info no longer stored.
2022         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2023         flag.
2024
2025 2010-04-30  Richard Guenther  <rguenther@suse.de>
2026
2027         PR tree-optimization/43879
2028         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2029         handle non-zero initializers.
2030
2031 2010-04-30  Richard Guenther  <rguenther@suse.de>
2032
2033         * builtins.c (fold_builtin_1): Delete free (0).
2034
2035 2010-04-29  Jan Hubicka  <jh@suse.cz>
2036
2037         * gengtype.c (open_base_files): Add lto-streamer.h
2038         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2039         (pass_ipa_cp): GGC collect.
2040         * toplev. (compile_file): Do not output symbols.
2041         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2042         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2043         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2044         * lto-section-in.c: Include ggc.h
2045         (lto_new_in_decl_state): Alloc in GGC.
2046         (lto_delete_in_decl_state): Likewise.
2047         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2048         Collect.
2049
2050 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2051
2052         PR target/42895
2053         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2054         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2055         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2056         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2057         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2058         account only if HONOR_REG_ALLOC_ORDER is not defined.
2059         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2060         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2061
2062 2010-04-29  Jon Grant  <04@jguk.org>
2063
2064         * collect2.c (vflag): Change type from int to bool.
2065         (debug): Likewise.
2066         (helpflag): New global bool.
2067         (main): Set vflag and debug with boolean, not integer truth values.
2068         Accept new "--help" option and output usage text if found.
2069         * collect2.h (vflag): Update prototype.
2070         (debug): Likewise.
2071
2072 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2073
2074         PR bootstrap/43936
2075         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2076
2077 2010-04-29  Richard Guenther  <rguenther@suse.de>
2078
2079         PR bootstrap/43935
2080         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2081         with ATTRIBUTE_UNUSED.
2082
2083 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2084
2085         PR target/43921
2086         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2087         INSN_P with NONDEBUG_INSN_P.
2088         (distance_non_agu_define): Likewise.
2089         (distance_agu_use): Likewise.
2090
2091 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2092
2093         From Dominique d'Humieres <dominiq@lps.ens.fr>
2094         PR bootstrap/43858
2095         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2096         test_set.
2097
2098 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2099
2100         * plugin.h (invoke_plugin_callbacks): New inline function.
2101         * plugin.c (flag_plugin_added): New global flag.
2102         (add_new_plugin): Initialize above flag.
2103         (invoke_plugin_callbacks): Rename to ...
2104         (invoke_plugin_callbacks_full): ... this.
2105
2106 2010-04-28  Jan Hubicka  <jh@suse.cz>
2107
2108         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2109         (lto_varpool_replace_node): New.
2110         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2111         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2112         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2113         * cgraph.h (varpool_node_ptr): New type.
2114         (varpool_node_ptr): New vector.
2115         (varpool_node_set_def): New structure.
2116         (varpool_node_set): New type.
2117         (varpool_node_set): New vector.
2118         (varpool_node_set_element_def): New structure.
2119         (varpool_node_set_element, const_varpool_node_set_element): New types.
2120         (varpool_node_set_iterator): New type.
2121         (varpool_node): Add prev pointers, add used_from_other_partition,
2122         in_other_partition.
2123         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2124         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2125         varpool_get_node, varpool_remove_node): Declare.
2126         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2127         varpool_node_set_size): New inlines.
2128         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2129         * tree-pass.h (varpool_node_set_def): Forward declare.
2130         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2131         (ipa_write_optimization_summaries): Update prototype.
2132         * ipa-cp.c (ipcp_write_summary): Update.
2133         * ipa-reference.c (ipa_reference_write_summary): Update.
2134         * lto-cgraph.c (lto_output_varpool_node): New static function.
2135         (output_varpool): New function.
2136         (input_varpool_node): New static function.
2137         (input_varpool_1): New function.
2138         (input_cgraph): Input varpool.
2139         * ipa-pure-const.c (pure_const_write_summary): Update.
2140         * lto-streamer-out.c (lto_output): Update, output varpool too.
2141         (write_global_stream): Kill WPA hack.
2142         (produce_asm_for_decls): Update.
2143         (output_alias_pair_p): Handle variables.
2144         (output_unreferenced_globals): Output only needed partition of varpool.
2145         * ipa-inline.c (inline_write_summary): Update.
2146         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2147         cgraph.
2148         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2149         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2150         varpool_node_set_new, varpool_node_set_add,
2151         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2152         debug_varpool_node_set): New functions.
2153         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2154         (execute_one_pass): Process new decls too.
2155         (ipa_write_summaries_2): Pass around vsets.
2156         (ipa_write_summaries_1): Likewise.
2157         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2158         to add.
2159         (ipa_write_optimization_summaries_1): Pass around vsets.
2160         (ipa_write_optimization_summaries): Likewise.
2161         * varpool.c (varpool_get_node): New.
2162         (varpool_node): Update doubly linked lists.
2163         (varpool_remove_node): New.
2164         (dump_varpool_node): More dumping.
2165         (varpool_enqueue_needed_node): Update doubly linked lists.
2166         (decide_is_variable_needed): Kill ltrans hack.
2167         (varpool_finalize_decl): Kill lto hack.
2168         (varpool_assemble_decl): Skip decls in other partitions.
2169         (varpool_assemble_pending_decls): Update doubly linkes lists.
2170         (varpool_empty_needed_queue): Likewise.
2171         (varpool_extra_name_alias): Likewise.
2172         * lto-streamer.c (lto_get_section_name): Add vars section.
2173         * lto-streamer.h (lto_section_type): Update.
2174         (output_varpool, input_varpool): Declare.
2175
2176 2010-04-28  Mike Stump  <mikestump@comcast.net>
2177
2178         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2179
2180 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2181
2182         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2183         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2184         (lto_input_ts_type_tree_pointers): Likewise.
2185         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2186         (lto_output_ts_type_tree_pointers): Likewise.
2187
2188 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2189
2190         Uniquization of constants at the Tree level
2191         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2192         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2193         bit to the end.
2194         (tree_output_constant_def): Declare.
2195         * gimplify.c (gimplify_init_constructor): When using block copy, first
2196         uniquize the constant constructor on the RHS.
2197         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2198         DECL_IN_CONSTANT_POOL flag.
2199         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2200         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2201         constant pool.
2202         (assemble_variable): Deal with symbols belonging to the tree constant
2203         pool.
2204         (get_constant_section): Add ALIGN parameter and simplify.
2205         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2206         (assemble_constant_contents): Use the expression of the VAR_DECL.
2207         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2208         (tree_output_constant_def): New global function.
2209         (mark_constant): Use the expression of the VAR_DECL.
2210         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2211         its expression.
2212         (output_object_block): Likewise and assemble the expression.
2213
2214 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2215
2216         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2217         hash_tree, eq_tree): New tree hash table.
2218         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2219         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2220         lto_orig_address_remove): Reimplement.
2221
2222 2010-04-28  Xinliang David Li  <davidxl@google.com>
2223
2224         PR c/42643
2225         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2226         (compute_uninit_opnds_pos): New function.
2227         (is_non_loop_exit_postdominating): New function.
2228         (compute_control_dep_chain): New function.
2229         (find_pdom): New function.
2230         (convert_control_dep_chain_into_preds): New function.
2231         (find_predicates): New function.
2232         (find_control_equiv_block): New function.
2233         (collect_phi_def_edges): New function.
2234         (find_def_preds): New function.
2235         (find_dom): New function.
2236         (dump_predicates): New function.
2237         (get_cmp_code): New function.
2238         (is_value_included_in): New function.
2239         (find_matching_predicate_in_rest_chains): New function.
2240         (use_pred_not_overlap_with_undef_path_pred): New function.
2241         (is_use_properly_guarded): New function.
2242         (normalize_cond_1): New function.
2243         (is_and_or_or): New function.
2244         (normalize_cond): New function.
2245         (is_gcond_subset_of): New function.
2246         (is_subset_of_any): New function.
2247         (is_or_set_subset_of): New function.
2248         (is_and_set_subset_of): New function.
2249         (is_norm_cond_subset_of): New function.
2250         (is_pred_expr_subset_of): New function.
2251         (is_pred_chain_subset_of): New function.
2252         (is_included_in): New function.
2253         (is_superset_of): New function.
2254         (find_uninit_use): New function.
2255         (warn_uninitialized_phi): New function.
2256         (compute_possibly_undefined_names): New function.
2257         (ssa_undefined_value_p): New function.
2258         (execute_late_warn_uninitialized): New function.
2259         * tree-ssa.c (ssa_undefined_value_p): Removed.
2260         (warn_uninit): Changed to extern.
2261         (warn_uninitialized_phi): Removed.
2262         (warn_uninitialized_vars): Changed to extern.
2263         (execute_late_warn_uninitialized): Removed
2264         * tree-flow.h: Add new prototypes.
2265         * timevar.def: Add new time variable.
2266         * Makefile.in: Add new build file.
2267
2268 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2269
2270         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2271         type if available.
2272
2273 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2274
2275         PR target/22224
2276         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2277
2278 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2279
2280         * cgraph.h (struct cgraph_node): New field indirect_calls.
2281         (struct cgraph_indirect_call_info): New type.
2282         (struct cgraph_edge): Removed field indirect_call. New fields
2283         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2284         (cgraph_create_indirect_edge): Declare.
2285         (cgraph_make_edge_direct): Likewise.
2286         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2287         * ipa-prop.h (struct ipa_param_call_note): Removed.
2288         (struct ipa_node_params): Removed field param_calls.
2289         (ipa_create_all_structures_for_iinln): Declare.
2290         * cgraph.c: Described indirect edges and uids in initial comment.
2291         (cgraph_add_edge_to_call_site_hash): New function.
2292         (cgraph_edge): Search also among the indirect edges, use
2293         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2294         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2295         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2296         site hash.
2297         (initialize_inline_failed): Assign a reason to indirect edges.
2298         (cgraph_create_edge_1): New function.
2299         (cgraph_create_edge): Moved some functionality to
2300         cgraph_create_edge_1.
2301         (cgraph_create_indirect_edge): New function.
2302         (cgraph_edge_remove_callee): Add an assert checking for
2303         non-indirectness.
2304         (cgraph_edge_remove_caller): Special-case indirect edges.
2305         (cgraph_remove_edge): Likewise.
2306         (cgraph_set_edge_callee): New function.
2307         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2308         (cgraph_make_edge_direct): New function.
2309         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2310         the declaration of the call statement matches.
2311         (cgraph_node_remove_callees): Special-case indirect edges.
2312         (cgraph_clone_edge): Likewise.
2313         (cgraph_clone_node): Clone also the indirect edges.
2314         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2315         indirect_call, dump count of indirect_calls edges.
2316         * ipa-prop.c (iinlining_processed_edges): New variable.
2317         (ipa_note_param_call): Create indirect edges instead of
2318         creating notes.  New parameter node.
2319         (ipa_analyze_call_uses): New parameter node, pass it on to
2320         ipa_note_param_call.
2321         (ipa_analyze_stmt_uses): Likewise.
2322         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2323         (print_edge_addition_message): Work on edges rather than on notes.
2324         (update_call_notes_after_inlining): Likewise, renamed to
2325         update_indirect_edges_after_inlining.
2326         (ipa_create_all_structures_for_iinln): New function.
2327         (ipa_free_node_params_substructures): Do not free notes.
2328         (ipa_edge_duplication_hook): Propagate bits within
2329         iinlining_processed_edges bitmap.
2330         (ipa_node_duplication_hook): Do not duplicate notes.
2331         (free_all_ipa_structures_after_ipa_cp): Renamed to
2332         ipa_free_all_structures_after_ipa_cp.
2333         (free_all_ipa_structures_after_iinln): Renamed to
2334         ipa_free_all_structures_after_iinln.
2335         (ipa_write_param_call_note): Removed.
2336         (ipa_read_param_call_note): Removed.
2337         (ipa_write_indirect_edge_info): New function.
2338         (ipa_read_indirect_edge_info): Likewise.
2339         (ipa_write_node_info): Do not stream notes, do stream information
2340         in indirect edges.
2341         (ipa_read_node_info): Likewise.
2342         (lto_ipa_fixup_call_notes): Removed.
2343         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2344         * ipa-inline.c (pass_ipa_inline): Likewise.
2345         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2346         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2347         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2348         is_gimple_call.
2349         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2350         edges.
2351         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2352         (output_cgraph): Stream also indirect edges.
2353         (lto_output_edge): Added capability to stream indirect edges.
2354         (input_edge): Likewise.
2355         (input_cgraph_1): Likewise.
2356         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2357         of indirect edges.
2358
2359 2010-04-28  Richard Guenther  <rguenther@suse.de>
2360
2361         PR tree-optimization/43879
2362         PR tree-optimization/43909
2363         * tree-ssa-structalias.c (struct variable_info): Add
2364         only_restrict_pointers flag.
2365         (new_var_info): Initialize it.  Increment stats.total_vars here.
2366         (create_function_info_for): Do not increment stats.total_vars here.
2367         (get_function_part_constraint): Fix build with C++.
2368         (insert_into_field_list): Remove.
2369         (push_fields_onto_fieldstack): Properly merge fields.
2370         (create_variable_info_for): Split and simplify.
2371         (create_variable_info_for_1): New piece.
2372         (intra_create_variable_infos): Properly make restrict constraints
2373         from parameters.
2374
2375 2010-04-28  Richard Guenther  <rguenther@suse.de>
2376
2377         PR c++/43880
2378         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2379
2380 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2381             Jan Hubicka <hubicka@ucw.cz>
2382
2383         * doc/invoke.texi (-Wsuggest-attribute=const,
2384         -Wsuggest-attribute=pure): Document.
2385         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2386         (function_always_visible_to_compiler_p,
2387         suggest_attribute, warn_function_pure, warn_function_const):
2388         New functions.
2389         (check_call): Improve debug info.
2390         (analyze_function): Do not check availability.
2391         (add_new_function): Check availability.
2392         (propagate): Output warnings.
2393         (skip_function_for_local_pure_const): New function.
2394         (local_pure_const): Use it; output warnings.
2395         * common.opt (Wsuggest-attribute=const,
2396         Wsuggest-attribute=pure): New.
2397
2398 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2399
2400         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2401         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2402         or DW_CFA_def_cfa_offset{,_sf}.
2403
2404 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2405
2406         * tree.h: Fix truncated long macros.
2407
2408 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2409
2410         * collect2.c (TARGET_64BIT): Redefine to target's default.
2411         * tlink.c: Likewise.
2412         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2413         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2414         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2415         for underscoring __USER_LABEL_PREFIX__.
2416         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2417         (SUB_LINK_ENTRY32): New.
2418         (SUB_LINK_ENTRY64): New.
2419         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2420         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2421         (SUB_LINK_ENTRY64): New.
2422         (SUB_LINK_ENTRY): New.
2423         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2424         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2425         x64 target is choosen.
2426         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2427         * configure: Regenerated.
2428         * configure.ac (leading-mingw64-underscores): Option added.
2429
2430 2010-04-27  Jan Hubicka  <jh@suse.cz>
2431
2432         * doc/invoke.texi (-fipa-profile): Document.
2433         * opts.c (decode_options): Enable ipa-profile at -O1.
2434         * timevar.def (TV_IPA_PROFILE): Define.
2435         * common.opt (fipa-profile): Add.
2436         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2437         flag for clones.
2438         (cgraph_propagate_frequency): Handle only local ones.
2439         * tree-pass.h (pass_ipa_profile): Declare.
2440         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2441         (pass_ipa_profile): Use TV_IPA_PROFILE.
2442         * ipa.c (ipa_profile): New function.
2443         (gate_ipa_profile): Likewise.
2444         (pass_ipa_profile): New global variable.
2445         * passes.c (pass_ipa_profile): New.
2446
2447 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2448
2449         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2450
2451 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2452
2453         PR middle-end/43812
2454         * ipa.c (dissolve_same_comdat_group_list): New function.
2455         (function_and_variable_visibility): Call
2456         dissolve_same_comdat_group_list when comdat group contains external or
2457         newly local nodes.
2458         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2459         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2460
2461 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2462
2463         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2464         (const_hash_1) <VECTOR_CST>: New case.
2465         (compare_constant) <VECTOR_CST>: Likewise.
2466         <ADDR_EXPR>: Deal with LABEL_REFs.
2467         (copy_constant) <VECTOR_CST>: New case.
2468
2469 2010-04-27  Jan Hubicka  <jh@suse.cz>
2470
2471         * cgraph.c (cgraph_propagate_frequency): New function.
2472         * cgraph.h (cgraph_propagate_frequency): Declare.
2473         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2474         cgraph_propagate_frequency.
2475
2476 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2477
2478         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2479
2480 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2481
2482         PR target/40657
2483         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2484         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2485         here to determine which regs to push and how much stack to reserve.
2486
2487 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2488
2489         * doc/gimple.texi (gimple_statement_with_ops): Remove
2490         addresses_taken field.
2491         (gimple_statement_with_memory_ops): Likewise.
2492
2493 2010-04-27  Jan Hubicka  <jh@suse.cz>
2494
2495         * tree-inline.c (eni_inlining_weights): Remove.
2496         (estimate_num_insns): Special case more builtins.
2497
2498 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2499
2500         PR c/32207
2501         * c-typeck.c (build_binary_op): Move forward check for comparison
2502         pointer with null pointer constant and adjust the diagnostic message.
2503
2504 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2505
2506         PR lto/42776
2507         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2508         binutils supports extended .section directive needed by LTO, or
2509         warn if older binutils found.
2510         (LTO_BINARY_READER): New AC_SUBST'd variable.
2511         (LTO_USE_LIBELF): Likewise.
2512         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2513         variable.
2514         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2515         (LTO_USE_LIBELF): Likewise.
2516         * configure: Regenerate.
2517
2518         * collect2.c (is_elf): Rename from this ...
2519         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2520          object files in addition to ELF-formatted ones.
2521         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2522         symbol to be prefixed or not by an extra underscore.
2523
2524         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2525         * config/i386/winnt.c: Also #include lto-streamer.h
2526         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2527         LTO named sections.
2528         (i386_pe_asm_output_aligned_decl_common): Add comment.
2529         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2530
2531 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2532
2533         PR target/43889
2534         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2535         Add missing earlyclobber for second alternative.
2536
2537 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2538
2539         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2540         bits for artificial defs at the top of the block.
2541         * fwprop.c (single_def_use_enter_block): Don't call it.
2542
2543 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2544
2545         PR 43715
2546         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2547         instead of "$gcc_cv_objdump -T".
2548         Use "-undefined dynamic_lookup" on darwin.
2549         * gcc/configure: Regenerate.
2550
2551 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2552
2553         PR c/43893
2554         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2555
2556 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2557
2558         * c-parser.c (struct c_token): Move location field up.
2559         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2560         (struct c_declspecs): Convert typespec_word, storage_class, and
2561         default_int_p into bitfields.
2562         (struct c_declarator): Move loc field up.
2563
2564 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2565
2566         * cfgloop.h (struct loop): Move can_be_parallel field up.
2567         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2568         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2569         down.
2570         (struct iv_cand): Convert pos field into a bitfield.
2571         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2572         field up.
2573         (struct _stmt_vec_info): Shuffle fields for better packing.
2574
2575 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2576
2577         * varasm.c (IN_NAMED_SECTION): Remove guard.
2578         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2579         (IN_NAMED_SECTION_P): ...this.
2580         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2581         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2582
2583 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2584
2585         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2586         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2587         of shadowing it.  Fix comments.
2588
2589 2010-04-26  Jan Hubicka  <jh@suse.cz>
2590
2591         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2592         (cgraph_clone_node): Copy function frequency.
2593         * cgraph.h (node_frequency): New enum
2594         (struct cgraph_node): Add.
2595         * final.c (rest_of_clean_state): Update.
2596         * lto-cgraph.c (lto_output_node): Output node frequency.
2597         (input_overwrite_node): Input node frequency.
2598         * tre-ssa-loop-ivopts (computation_cost): Update.
2599         * lto-streamer-out.c (output_function): Do not output function
2600         frequency.
2601         * predict.c (maybe_hot_frequency_p): Update and handle functions
2602         executed once.
2603         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2604         attribute lookup.
2605         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2606         (compute_function_frequency): Set noreturn functions to be executed
2607         once.
2608         (choose_function_section): Update.
2609         * lto-streamer-in.c (input_function): Do not input function frequency.
2610         * function.c (allocate_struct_function): Do not initialize function
2611         frequency.
2612         * function.h (function_frequency): Remove.
2613         (struct function): Remove function frequency.
2614         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2615         (try_update): Update.
2616         * tree-inline.c (initialize_cfun): Do not update function frequency.
2617         * passes.c (pass_init_dump_file): Update.
2618         * i386.c (ix86_compute_frame_layout): Update.
2619         (ix86_pad_returns): Update.
2620
2621 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2622
2623         PR tree-optimization/43833
2624         * tree-vrp.c (range_int_cst_p): New.
2625         (range_int_cst_singleton_p): New.
2626         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2627         when both operands are constants.  Use range_int_cst_p in
2628         BIT_IOR_EXPR case.
2629
2630 2010-04-26  Jan Hubicka  <jh@suse.cz>
2631
2632         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2633
2634 2010-04-26  Richard Guenther  <rguenther@suse.de>
2635
2636         PR lto/43080
2637         * gimple.c (gimple_decl_printable_name): Deal gracefully
2638         with a NULL DECL_NAME.
2639
2640 2010-04-26  Richard Guenther  <rguenther@suse.de>
2641
2642         PR lto/42425
2643         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2644         if emitting debug information and it is either a function
2645         or a namespace decl.
2646
2647 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2648
2649         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2650         determine if the statement is vectorizable, and a macro to access it.
2651         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2652         Skip statements that can't be vectorized. If the analysis fails,
2653         mark the statement as unvectorizable if vectorizing basic block.
2654         (vect_compute_data_refs_alignment): Likewise.
2655         (vect_verify_datarefs_alignment): Skip statements marked as
2656         unvectorizable. Add print.
2657         (vect_analyze_group_access): Skip statements that can't be
2658         vectorized. If the analysis fails, mark the statement as
2659         unvectorizable if vectorizing basic block.
2660         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2661         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2662         generated stmts for SLP.
2663         (new_stmt_vec_info): Initialize the new field.
2664         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2665         statements marked as unvectorizable.
2666
2667 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2668
2669         * c-common.c (flag_isoc1x): New.
2670         (flag_isoc99): Update comment.
2671         * c-common.h (flag_isoc1x): New.
2672         (flag_isoc99): Update comment.
2673         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2674         __<type>_DECIMAL_DIG__.
2675         * c-opts.c (set_std_c1x): New.
2676         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2677         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2678         * c.opt (-std=c1x, -std=gnu1x): New options.
2679         * doc/cpp.texi: Mention -std=c1x.
2680         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2681         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2682         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2683         * doc/standards.texi: Mention C1X.
2684         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2685         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2686         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2687         Define for C1X.
2688
2689 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2690
2691         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2692         placeholder from 0x%x to %#x.
2693         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2694         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2695         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2696         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2697         * config/i386/i386.c (ix86_target_string): Ditto.
2698         (output_pic_addr_const): Ditto.
2699         (print_operand): Ditto.
2700
2701 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2702
2703         * combine.c (find_split_point): Add third argument.  Use it
2704         to find nested multiply-accumulate instructions.  Adjust calls.
2705         (try_combine): Adjust call to find_split_point.
2706
2707 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2708
2709         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2710
2711 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2712
2713         PR tree-optimization/41442
2714         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2715         (fold_binary_loc): Call it.
2716
2717 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2718
2719         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2720         * opts.c (common_handle_option): Allow disabling it.
2721         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2722
2723 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2724
2725         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2726         between modes if both types are integral.
2727
2728 2010-04-23  Richard Guenther  <rguenther@suse.de>
2729
2730         PR tree-optimization/43572
2731         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2732
2733 2010-04-23  Richard Guenther  <rguenther@suse.de>
2734
2735         PR lto/43455
2736         * tree-inline.c (tree_can_inline_p): Also check compatibility
2737         of return types.
2738
2739 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2740
2741         PR tree-optimization/43846
2742         * tree-sra.c (struct access): New flag grp_assignment_read.
2743         (build_accesses_from_assign): Set grp_assignment_read.
2744         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2745         (enum mark_read_status): New type.
2746         (analyze_access_subtree): Propagate grp_assignment_read, create
2747         accesses also if both direct_read and root->grp_assignment_read.
2748
2749 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2750
2751         PR middle-end/43835
2752         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2753         function does not have type attributes.
2754
2755 2010-04-23  Richard Guenther  <rguenther@suse.de>
2756
2757         PR lto/42653
2758         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2759         of FUNCTION_DECLs.
2760
2761 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2762
2763         * sese.h (create_if_region_on_edge): Remove.
2764
2765         * sese.c (create_if_region_on_edge): Make static.
2766
2767         * tree-inline.c: Do not include ggc.h.
2768
2769         * expr.c: Do not include ggc.h.
2770
2771         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2772         dependencies.
2773
2774 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2775
2776         PR target/43744
2777         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2778         in the middle of insns for casesi_worker_2.
2779
2780 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2781
2782         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2783
2784 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2785
2786         PR tree-optimization/43842
2787         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2788         loop unrolling in update of exit phis. Fix comment.
2789         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2790         least two reduction statements in the loop before starting SLP
2791         analysis.
2792
2793 2010-04-22  Nick Clifton  <nickc@redhat.com>
2794
2795         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2796
2797 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2798
2799         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2800         to simplify a + ~a.
2801
2802 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2803
2804         * tree-parloops.c (loop_parallel_p): New argument
2805         parloop_obstack.  Pass it down.
2806         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2807         pass it down, free it.
2808
2809         * tree-loop-linear.c (linear_transform_loops): Pass down
2810         lambda_obstack.
2811
2812         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2813         of type struct obstack *.
2814
2815         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2816         scratch_obstack.  Initialize it, pass down, free it.
2817
2818         * lambda.h (lambda_loop_new): Remove.
2819         (lambda_matrix_new, lambda_matrix_inverse)
2820         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2821         argument of type struct obstack *.
2822
2823         * lambda-trans.c (lambda_trans_matrix_new): New argument
2824         lambda_obstack.  Pass it down, use obstack allocation for ret.
2825         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2826         it down.
2827
2828         * lambda-mat.c (lambda_matrix_get_column)
2829         (lambda_matrix_project_to_null): Remove.
2830         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2831         allocation for mat.
2832         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2833         lambda_obstack.
2834
2835         * lambda-code.c (lambda_loop_new): New function.
2836         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2837         (lambda_compute_auxillary_space, lambda_compute_target_space)
2838         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2839         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2840         (build_access_matrix): New argument lambda_obstack.  Use obstack
2841         allocation for am.
2842         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2843         argument lambda_obstack.  Pass it down.
2844
2845 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2846
2847         * optabs.h (expand_widening_mult): Declare.
2848
2849 2010-04-22  Richard Guenther  <rguenther@suse.de>
2850
2851         PR tree-optimization/43845
2852         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2853         lookup the CALL_EXPR function and arguments.
2854
2855 2010-04-22  Nick Clifton  <nickc@redhat.com>
2856
2857         * config/stormy16/stormy16.c
2858         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2859         * config/stormy16/stormy16.h: Tidy up formatting.
2860         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2861         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2862         (ineqbranchsi): Delete pattern.
2863         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2864         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2865         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2866         stormy16-lib2-ucmpsi2.c.
2867
2868 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2869
2870         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2871         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2872         extra set merge_set_noclobber, and use it to relax the final test
2873         slightly.
2874         * df.h (df_simulate_find_noclobber_defs): Declare.
2875         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2876         conditional defs.
2877         (df_simulate_find_noclobber_defs): New function.
2878
2879 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2880
2881         * config/i386/i386.md: Use {} around multi-line preparation statements.
2882
2883 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2884
2885         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2886         (process_init_element): New argument of type struct obstack *.
2887
2888         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2889         (set_init_index, set_init_label, set_nonincremental_init)
2890         (set_nonincremental_init_from_string, find_init_member)
2891         (output_init_element, output_pending_init_elements)
2892         (process_init_element): New argument braced_init_obstack.  Pass it
2893         down.
2894         (push_range_stack, add_pending_init): New argument
2895         braced_init_obstack.  Use obstack allocation.
2896
2897         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2898         braced_init_obstack.  Pass it down.
2899         (c_parser_braced_init): New variables ret, braced_init_obstack.
2900         Initialize obstack, pass it down and finally free it.
2901
2902 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2903
2904         PR middle-end/29274
2905         * tree-pass.h (pass_optimize_widening_mul): Declare.
2906         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2907         gate_optimize_widening_mul): New static functions.
2908         (pass_optimize_widening_mul): New.
2909         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2910         <case MULT_EXPR>: Remove support for widening multiplies.
2911         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2912         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2913         simplify_gen_unary rather than directly building extensions.
2914         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2915         WIDEN_MULT_EXPR.
2916         * expmed.c (expand_widening_mult): New function.
2917         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2918
2919 2010-04-21  Jan Hubicka  <jh@suse.cz>
2920
2921         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2922         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2923         * lto-wpa-fixup.c: Remove.
2924         * Makefile.in (lto-wpa-fixup.o): Remove.
2925         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2926         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2927         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2928
2929 2010-04-21  Jan Hubicka  <jh@suse.cz>
2930
2931         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2932         add write_optimization_summary, read_optimization_summary.
2933         (ipa_write_summaries_of_cgraph_node_set): Remove.
2934         (ipa_write_optimization_summaries): Declare.
2935         (ipa_read_optimization_summaries): Declare.
2936         * ipa-cp.c (pass_ipa_cp): Update.
2937         * ipa-reference.c (pass_ipa_reference): Update.
2938         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2939         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2940         Update.
2941         * ipa-inline.c (pass_ipa_inline): Update.
2942         * ipa.c (pass_ipa_whole_program): Update.
2943         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2944         * passes.c (ipa_write_summaries_1): Do not test wpa.
2945         (ipa_write_optimization_summaries_1): New.
2946         (ipa_write_optimization_summaries): New.
2947         (ipa_read_summaries): Do not test ltrans.
2948         (ipa_read_optimization_summaries_1): New.
2949         (ipa_read_optimization_summaries): New.
2950
2951 2010-04-21  Jan Hubicka  <jh@suse.cz>
2952
2953         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2954         for boundary nodes.
2955         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2956
2957 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2958
2959         PR debug/40040
2960         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2961         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2962
2963 2010-04-21  Jan Hubicka  <jh@suse.cz>
2964
2965         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2966
2967 2010-04-21  Jan Hubicka  <jh@suse.cz>
2968
2969         * varpool.c (decide_is_variable_needed): Variable is always needed
2970         during ltrans.
2971
2972 2010-04-21  Jan Hubicka  <jh@suse.cz>
2973
2974         * opts.c (decode_options): Enable pure-const pass for whopr.
2975
2976 2010-04-21  Jan Hubicka  <jh@suse.cz>
2977
2978         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2979         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2980         at WPA dumping.
2981         (cgraph_decide_inlining): Do not expect callee to be removed in all
2982         cases.
2983
2984 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2985
2986         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2987
2988 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2989
2990         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2991         amdfam10_decode attributes.
2992
2993 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2994
2995         PR middle-end/43570
2996         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2997         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2998         (lower_copyprivate_clauses): Use private var in outer
2999         context instead of original var.  Make sure the types
3000         are correct for VLAs.
3001
3002 2010-04-21  Richard Guenther  <rguenther@suse.de>
3003
3004         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3005         to non-pointer objects.
3006
3007 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3008
3009         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3010         last chain entry if it starts with the still current label.
3011         (add_location_or_const_value_attribute): Check that
3012         loc_list->first->next is NULL instead of comparing ->first with ->last.
3013         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3014         to add_var_loc_to_decl.
3015
3016         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3017         >= 4 add also address size and segment size fields into CIE header.
3018
3019         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3020         long as address size is the same as sizeof (void *) and
3021         segment size is 0.
3022         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3023         address size or segment size is unexpected, return DW_EH_PE_omit.
3024         (classify_object_over_fdes): If get_cie_encoding returned
3025         DW_EH_PE_omit, return -1.
3026         (init_object): If classify_object_over_fdes returned -1,
3027         pretend there were no FDEs at all.
3028
3029 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3030
3031         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3032         bswap{si,di}2 using SWI48 mode iterator.
3033         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3034         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3035         set modrm attribute of bswap insn to 0 and remove length attribute.
3036         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3037         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3038         set mode attribute to <MODE> and remove length attribute.
3039
3040 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3041
3042         PR rtl-optimization/43520
3043         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3044         zero available registers.
3045
3046 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3047
3048         * builtins.c (fold_builtin_cproj): Fold more cases.
3049
3050 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3051
3052         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3053         (fold_builtin_1): Fold builtin cproj.
3054         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3055         Use ATTR_CONST_NOTHROW_LIST.
3056
3057 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3058
3059         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3060         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3061         ffsi2_no_cmove for !TARGET_CMOVE.
3062         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3063         (ffssi2): Remove expander.
3064         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3065         mode iterator.
3066         (ctz<mode>2): Ditto from ctz{si,di}2.
3067         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3068         mode iterator.
3069         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3070         mode iterator.
3071
3072 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3073
3074         * dwarf2out.c (AT_linkage_name): Define.
3075         (clone_as_declaration): Handle DW_AT_linkage_name.
3076         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3077         of DW_AT_MIPS_linkage_name.
3078         (move_linkage_attr): Likewise.
3079         (dwarf2out_finish): Likewise.
3080
3081 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3082
3083         PR middle-end/41952
3084         * fold-const.c (fold_comparison): New folding rule.
3085
3086 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3087
3088         * double-int.h (double_int_setbit): Declare.
3089         * double-int.c (double_int_setbit): New function.
3090         * rtl.h (immed_double_int_const): Declare.
3091         * emit-rtl.c (immed_double_int_const): New function.
3092         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3093         and immed_double_int_const functions.
3094         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3095         expand_copysign_bit):  (Ditto.).
3096         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3097         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3098         * dojump.c (prefer_and_bit_test): (Ditto.).
3099         * expr.c (convert_modes, reduce_to_bit_field_precision,
3100         const_vector_from_tree): (Ditto.).
3101         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3102
3103 2010-04-20  Jan Hubicka  <jh@suse.cz>
3104
3105         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3106         (dump_cgraph_node): Dump new flags.
3107         * cgraph.h (struct cgraph_node): Add flags
3108         reachable_from_other_partition and in_other_partition.
3109         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3110         other partition can not be removed.
3111         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3112         the other partition must be output; silence sanity checking on
3113         leaking functions bodies from other paritition.
3114         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3115         (lto_output_node): Output new flags; do not sanity check that inline
3116         clones are output; drop lto_forced_extern_inline_p code; do not mock
3117         visibility flags at partition boundaries.
3118         (add_node_to): New function.
3119         (output_cgraph): Use it to sort functions so masters appear before
3120         clones.
3121         (input_overwrite_node): Input new flags.
3122         * passes.c (ipa_write_summaries): Do not call
3123         lto_new_extern_inline_states.
3124         * lto-section-out.c (forced_extern_inline,
3125         lto_new_extern_inline_states lto_delete_extern_inline_states,
3126         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3127         * lto-streamer.h (lto_new_extern_inline_states,
3128         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3129         lto_forced_extern_inline_p): Kill.
3130
3131 2010-04-20  Richard Guenther  <rguenther@suse.de>
3132
3133         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3134         from vars that can have pointers.
3135         (process_constraint): Dump useless constraints.
3136
3137 2010-04-20  Richard Guenther  <rguenther@suse.de>
3138
3139         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3140         (dump_sa_points_to_info): Remove asserts.
3141         (init_base_vars): nothing_id isn't an escape point nor does it
3142         have pointers.
3143
3144 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3145
3146         * tree.h (TYPE_REF_IS_RVALUE): Define.
3147         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3148         should_move_die_to_comdat, prune_unused_types_walk): Handle
3149         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3150         (modified_type_die, gen_reference_type_die): Emit
3151         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3152         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3153
3154 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3155
3156         PR target/43635
3157         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3158         calls for -fpic -m31 if they have been sibcall optimized.
3159
3160 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3161
3162         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3163         ar.lc fixed and call-used.
3164
3165         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3166
3167 2010-04-19  Jan Hubicka  <jh@suse.cz>
3168
3169         * opts.c (decode_options): Disable whpr incompatible passes.
3170         * lto/lto.c (lto_1_to_1_map): Skip clones.
3171         (read_cgraph_and_symbols): Do not mark everything as needed.
3172         (do_whole_program_analysis): Do map only after optimizing;
3173         set proper cgraph_state; use passmanager.
3174
3175 2010-04-19  DJ Delorie  <dj@redhat.com>
3176
3177         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3178         POINTER_PLUS_EXPR and fix them.
3179
3180 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3181
3182         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3183         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3184         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3185         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3186         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3187         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3188         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3189         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3190         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3191         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3192         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3193
3194 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3195
3196         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3197         (check_cond_move_block): Likewise.
3198         (cond_move_process_if_block): Likewise.
3199         (noce_find_if_block): Improve formatting.
3200         (find_if_header): Pass 0 to memset and tweak conditions.
3201         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3202
3203 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3204
3205         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3206         for -gdwarf-4.
3207
3208         PR middle-end/43337
3209         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3210         with non-local decl doesn't need chain.
3211
3212 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3213
3214         * ira-color.c (allocno_reload_assign): Avoid accumulating
3215         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3216
3217 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3218
3219         * gimple.h (create_tmp_reg): Declare.
3220         * gimplify.c (create_tmp_reg): New function.
3221         (gimplify_return_expr): Use create_tmp_reg.
3222         (gimplify_omp_atomic): Likewise.
3223         (gimple_regimplify_operands): Likewise.
3224         * tree-dfa.c (make_rename_temp): Likewise.
3225         * tree-predcom.c (predcom_tmp_var): Likewise.
3226         (reassociate_to_the_same_stmt): Likewise.
3227         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3228         (get_replaced_param_substitute): Likewise.
3229         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3230         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3231         * tree-ssa-pre.c (get_representative_for): Likewise.
3232         (create_expression_by_pieces): Likewise.
3233         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3234         (create_tailcall_accumulator): Likewise.
3235
3236 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3237
3238         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3239         new_stmt.
3240         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3241
3242 2010-04-19  Richard Guenther  <rguenther@suse.de>
3243
3244         PR tree-optimization/43796
3245         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3246         from SCEV in the lattice.
3247         (vrp_visit_phi_node): Dump change.
3248
3249 2010-04-19  Richard Guenther  <rguenther@suse.de>
3250
3251         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3252         * configure: Re-generated.
3253
3254 2010-04-19  Richard Guenther  <rguenther@suse.de>
3255
3256         PR tree-optimization/43783
3257         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3258         constant ARRAY_REF operands two and three if possible.
3259
3260 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3261
3262         PR target/43766
3263         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3264
3265 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3266
3267         PR target/43662
3268         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3269
3270 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3271
3272         PR tree-optimization/37027
3273         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3274         and macro to access it.
3275         (vectorizable_reduction): Add argument.
3276         (vect_get_slp_defs): Likewise.
3277         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3278         statements for possible use in SLP.
3279         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3280         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3281         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3282         add new argument.
3283         (vectorizable_reduction): Likewise.
3284         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3285         vect_get_slp_defs.
3286         (vectorizable_type_demotion, vectorizable_type_promotion,
3287         vectorizable_store): Likewise.
3288         (vect_analyze_stmt): Update call to vectorizable_reduction.
3289         (vect_transform_stmt): Likewise.
3290         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3291         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3292         from different interleaving chains in same node.
3293         (vect_slp_rearrange_stmts): New function.
3294         (vect_supported_load_permutation_p): Allow load permutations for
3295         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3296         inside SLP nodes if necessary.
3297         (vect_analyze_slp_instance): Handle reductions.
3298         (vect_analyze_slp): Try to build SLP instances originating from groups
3299         of reductions.
3300         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3301         (vect_get_constant_vectors): Create initial vectors for reductions
3302         according to reduction code. Add new argument.
3303         (vect_get_slp_defs): Add new argument, pass it to
3304         vect_get_constant_vectors.
3305         (vect_schedule_slp_instance): Remove SLP tree root statements.
3306
3307 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3308
3309         * tree.h (ENUM_IS_SCOPED): Define.
3310         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3311         for ENUM_IS_SCOPED enums.
3312
3313 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3314
3315         * fold-const.c (fold_comparison): Use ssizetype.
3316         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3317         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3318         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3319         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3320
3321         * tree.h (initialize_sizetypes): Remove parameter.
3322         (build_common_tree_nodes): Remove second parameter.
3323         * stor-layout.c (initialize_sizetypes): Remove parameter.
3324         Always create an unsigned type.
3325         (set_sizetype): Assert that the passed type is unsigned and simplify.
3326         * tree.c (build_common_tree_nodes): Remove second parameter.
3327         Adjust call to initialize_sizetypes.
3328         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3329         build_common_tree_nodes.
3330
3331 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3332
3333         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3334
3335 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3336
3337         PR tree-optimization/43771
3338         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3339         load permutation doesn't have gaps.
3340
3341 2010-04-18  Jan Hubicka  <jh@suse.cz>
3342
3343         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3344         (sse_prologue_save_insn expander): Use new pattern.
3345         (sse_prologue_save_insn1): New pattern and splitter.
3346         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3347         blocks.
3348         * i386.c (setup_incoming_varargs_64): Do not compute jump
3349         destination here.
3350         (ix86_gimplify_va_arg): Update alignment needed.
3351         (ix86_local_alignment): Do not align all local arrays to 128bit.
3352
3353 2010-04-17  Jan Hubicka  <jh@suse.cz>
3354
3355         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3356
3357 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3358
3359         * arm.md (negdi2): Remove redundant code to force values into a
3360         register.
3361
3362 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3363
3364         * arm/bpabi.S: Add EABI alignment attributes to objects.
3365         * arm/bpabi-v6m.S: Likewise.
3366         * arm/crti.asm: Likewise.
3367         * arm/crtn.asm: Likewise.
3368         * arm/lib1funcs.asm: Likewise.
3369         * arm/libunwind.S: Likewise.
3370
3371 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3372
3373         * arm-protos.h (tune_params): New structure.
3374         * arm.c (current_tune): New variable.
3375         (arm_constant_limit): Delete.
3376         (struct processors): Add pointer to the tune parameters.
3377         (arm_slowmul_tune): New tuning option.
3378         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3379         (all_cores): Adjust to pick up the tuning model.
3380         (arm_constant_limit): New function.
3381         (arm_override_options): Select the appropriate tuning model.  Delete
3382         initialization of arm_const_limit.
3383         (arm_split_constant): Use the new constant-limit model.
3384         (arm_rtx_costs): Pick up the current tuning model.
3385         * arm.md (is_strongarm, is_xscale): Delete.
3386         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3387         for Xscale variant architectures.
3388         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3389
3390 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3391
3392         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3393         can_shift.
3394         (arm_rtx_costs_1): Remove unused variable extra_cost.
3395         (arm_unwind_emit_set): Use variable offset.
3396         (thumb1_output_casesi): Remove unused variable flags.
3397
3398 2010-04-16  Jeff Law  <law@redhat.com>
3399
3400         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3401         needing assignment rather than doing a two-phase assignment.  Remove
3402         unused variable 'm'.
3403
3404 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3405
3406         PR bootstrap/43767
3407         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3408
3409 2010-04-16  Doug Kwan  <dougkwan@google.com>
3410
3411         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3412         (next_operand_entry_id): New static variable.
3413         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3414         (add_to_ops_vec): Assigned unique ID to operand entry.
3415         (struct oecount_s): New field ID.
3416         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3417         (undistribute_ops_list): Assign unique IDs to oecounts.
3418         (init_reassoc): reset next_operand_entry_id.
3419
3420 2010-04-16  Doug Kwan  <dougkwan@google.com>
3421
3422         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3423         missing left parenthesis.
3424
3425 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3426
3427         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3428         *btdi_rex64 using SWI48 mode iterator.
3429         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.