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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-17  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
4         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
5         New functions.
6         (output_cgraph): Call output_cgraph_opt_summary.
7         (input_cgrpah): Call input_cgraph_opt_summary.
8         (output_cgraph_opt_summary_p, output_node_opt_summary,
9         input_node_opt_summary, input_cgraph_opt_section): New functions.
10         * lto-section-in.c (lto_section_name): Add cgraphopt.
11         * tree-inline.c (tree_function_versioning): Handle parm_num.
12         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
13         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
14
15 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
16
17         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
18         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
19         the insn to prefetch ratio heuristic to loops with known trip count.
20
21 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
22
23         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
24         (schedule_prefetches): Do not generate a prefetch if the unroll factor
25         is far from what is required by the prefetch.
26
27 2010-05-17  Jan Hubicka  <jh@suse.cz>
28
29         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
30         (ipcp_estimate_growth): Likewise.
31         (ipcp_const_param_count): Likewise.
32         (ipcp_insert_stage): Likewise.
33         * ipa-prop.c (visit_load_for_mod_analysis): New function.
34         (visit_store_addr_for_mod_analysis): Set used flag.
35         (ipa_detect_param_modifications): Set used flag for SSE params;
36         update use of walk_stmt_load_store_addr_ops.
37         (ipa_print_node_params): Print used flag.
38         (ipa_write_node_info): Stream used flag.
39         (ipa_read_node_info): Likewise.
40         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
41         (ipa_is_param_used): New function.
42         (lto_ipa_fixup_call_notes): Remove unused declaration.
43
44 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
45
46         PR target/44074
47         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
48         * configure: Regenerate.
49         * config.in: Regenerate.
50         * config/i386/i386.c (print_operand) <case ;>: Also print ; if
51         !HAVE_AS_IX86_REP_LOCK_PREFIX.
52         Don't emit whitespace.
53         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
54         (*rep_movsi): Likewise.
55         (*rep_movsi_rex64): Likewise.
56         (*rep_movqi): Likewise.
57         (*rep_movqi_rex64): Likewise.
58         (*rep_stosdi_rex64): Likewise.
59         (*rep_stossi): Likewise.
60         (*rep_stossi_rex64): Likewise.
61         (*rep_stosqi): Likewise.
62         (*rep_stosqi_rex64): Likewise.
63         (*cmpstrnqi_nz_1): Use {%;} after repz.
64         (*cmpstrnqi_nz_rex_1): Likewise.
65         (*cmpstrnqi_1): Likewise.
66         (*cmpstrnqi_rex_1): Likewise.
67         (*strlenqi_1): Use {%;} after repnz.
68         (*strlenqi_rex_1): Likewise.
69         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
70         (*sync_compare_and_swap<mode>): Likewise.
71         (sync_double_compare_and_swap<mode>): Likewise.
72         (*sync_double_compare_and_swapdi_pic): Likewise.
73         (sync_old_add<mode>): Likewise.
74         (sync_add<mode>): Likewise.
75         (sync_sub<mode>): Likewise.
76         (sync_<code><mode>): Likewise.
77
78 2010-05-17  Martin Jambor  <mjambor@suse.cz>
79
80         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
81         otr_token and polymorphic.
82         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
83         (cgraph_clone_edge): Copy the above fields.
84         * tree.c (get_binfo_at_offset): New function.
85         * tree.h (get_binfo_at_offset): Declare.
86         * ipa-prop.h (enum jump_func_type): Added known_type jump function
87         type, reordered items, updated comments.
88         (union jump_func_value): Added base_type field, reordered fields.
89         (enum ipa_lattice_type): Moved down in the file.
90         (struct ipa_param_descriptor): New field polymorphic.
91         (ipa_is_param_polymorphic): New function.
92         * ipa-prop.c: Include gimple.h and gimple-fold.h.
93         (ipa_print_node_jump_functions): Print known type jump functions.
94         (compute_complex_pass_through): Renamed to...
95         (compute_complex_assign_jump_func): this.
96         (compute_complex_ancestor_jump_func): New function.
97         (compute_known_type_jump_func): Likewise.
98         (compute_scalar_jump_functions): Create known type and complex ancestor
99         jump functions.
100         (ipa_note_param_call): New parameter polymorphic, set the corresponding
101         flag in the call note accordingly.
102         (ipa_analyze_call_uses): Renamed to...
103         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
104         variable var only in the block where it is used.
105         (ipa_analyze_virtual_call_uses): New function.
106         (ipa_analyze_call_uses): Likewise.
107         (combine_known_type_and_ancestor_jfs): Likewise.
108         (update_jump_functions_after_inlining): Implemented handling of a
109         number of new jump function types combination.
110         (print_edge_addition_message): Removed.
111         (make_edge_direct_to_target): New function.
112         (try_make_edge_direct_simple_call): Likewise.
113         (try_make_edge_direct_virtual_call): Likewise.
114         (update_call_notes_after_inlining): Renamed to...
115         (update_indirect_edges_after_inlining): this.  Moved edge creation for
116         indirect calls to try_make_edge_direct_simple_call, also calls
117         try_make_edge_direct_virtual_call for virtual calls.
118         (ipa_print_node_params): Changed the header message.
119         (ipa_write_jump_function): Stream also known type jump functions.
120         (ipa_read_jump_function): Likewise.
121         (ipa_write_indirect_edge_info): Stream new fields in
122         cgraph_indirect_call_info.
123         (ipa_read_indirect_edge_info): Likewise.
124         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
125         GIMPLE_FOLD_H.
126
127 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
128
129         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
130
131 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
132
133         * tree.h (CALL_EXPR_ARGS): Delete.
134         (call_expr_arglist): Delete.
135         * tree.c (call_expr_arglist): Delete.
136         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
137         targetm.fold_builtin.
138         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
139         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
140         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
141         arglist parameter.  Use CALL_EXPR_ARG.
142         (picochip_expand_builtin_3op): Likewise.
143         (picochip_expand_builtin_2opvoid): Likewise.
144         (picochip_expand_array_get): Likewise.
145         (picochip_expand_array_put): Likewise.
146         (picochip_expand_array_testport): Likewise.
147         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
148         rather than arglist.
149         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
150         CALL_EXPR_ARGS.
151         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
152         than TREE_VALUE and TREE_CHAIN.
153         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
154         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
155         the arglist.
156
157 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
158
159         PR bootstrap/42347
160         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
161         to have no fallthru edge.
162
163         PR middle-end/44102
164         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
165         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
166         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
167         add BARRIER after previous bb if needed.
168
169 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
170  
171         * tree.c (build_function_type_list_1): Remove bogus assert condition.
172  
173 2010-05-17  Alan Modra  <amodra@gmail.com>
174
175         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
176         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
177         with copy_reg rtx param.
178         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
179         Correct cases where code for ABI_V4 did not initialise the reg
180         used to access frame.  Also leave frame_reg_rtx as sp for large
181         frames that save no regs.
182
183 2010-05-17  Martin Jambor  <mjambor@suse.cz>
184
185         PR middle-end/44133
186         * tree-sra.c (create_access_replacement): New parameter rename, mark
187         the replaement for renaming only when it is true.
188         (get_access_replacement): Pass true in the rename parameter of
189         create_access_replacement.
190         (get_unrenamed_access_replacement): New function.
191         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
192         replacement declaration from it.
193
194 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
195
196         * function.c (try_fit_stack_local, add_frame_space): New static
197         functions.
198         (assign_stack_local_1): Use them.  Look for opportunities to use
199         space previously wasted on alignment.
200         * function.h (struct frame_space): New.
201         (struct rtl_data): Add FRAME_SPACE_LIST member.
202         * reload1.c (something_was_spilled): New static variable.
203         (alter_reg): Set it.
204         (reload): Test it in addition to testing if the frame size changed.
205
206 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
207
208         * config/s390/s390.c: Define sane prefetch settings and activate
209         flag_prefetch_loop_arrays on -O3.
210         * config/s390/s390.h: Declare that read can use write prefetch.
211
212 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
213
214         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
215         build.
216
217 2010-05-16  Jan Hubicka  <jh@suse.cz>
218
219         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
220         function body; do not check stdarg field of struct function.
221
222 2010-05-16  Jan Hubicka  <jh@suse.cz>
223
224         * cgraph.c (dump_cgraph_node): Dump versionable flag.
225         * cgraph.h (cgraph_local_info): Add versionable flag.
226         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
227         (ipcp_versionable_function_p): Use it.
228         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
229         versionable flag.
230
231 2010-05-16  Jan Hubicka  <jh@suse.cz>
232
233         * cgraph.c (cgraph_clone_node): Take decl argument and insert
234         clone into hash when it is different from orig.
235         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
236         * cgraph.h (cgraph_clone_node): Update prototype.
237         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
238         (lto_cgraph_encoder_delete): Delete body map.
239         (lto_cgraph_encoder_size): Move to header.
240         (lto_cgraph_encoder_encode_body_p,
241         lto_set_cgraph_encoder_encode_body): New.
242         (lto_output_node): Do not take written_decls argument; output clone_of
243         pointer.
244         (add_node_to): Add include_body_argument; call
245         lto_set_cgraph_encoder_encode_body on master of the clone.
246         (add_references): Update use of add_node_to.
247         (compute_ltrans_boundary): Likewise.
248         (output_cgraph): Do not create written_decls bitmap.
249         (input_node): Take nodes argument; stream in clone_of correctly.
250         (input_cgraph_1): Update use of input_node.
251         * lto-streamer-out.c (lto_output): Use encoder info to decide
252         what bodies to output.
253         * ipa-inline.c (cgraph_clone_inlined_nodes,
254         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
255         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
256         (lto_cgraph_encoder_size): Define here.
257         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
258         Declare.
259
260 2010-05-16  Richard Guenther  <rguenther@suse.de>
261
262         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
263         -fipa-type-escape.
264         * ipa-type-escape.c (gate_type_escape_vars): Run when
265         -fipa-struct-reorg runs.
266         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
267         * common.opt (fipa-type-escape): Remove.
268
269 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
270
271         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
272         (decode_options): Likewise.
273         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
274
275 2010-05-16  Jan Hubicka  <jh@suse.cz>
276
277         * ipa.c (function_and_variable_visibility): Also bring local all
278         aliases.
279
280 2010-05-16  Richard Guenther  <rguenther@suse.de>
281
282         * alias.c (nonoverlapping_memrefs_p): Remove use of
283         IPA type-escape information.
284
285 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
286
287         * c-common.c (c_common_reswords): Add _Static_assert for C.
288         * c-parser.c (c_token_starts_declaration,
289         c_parser_next_token_starts_declaration,
290         c_parser_static_assert_declaration_no_semi,
291         c_parser_static_assert_declaration): New.
292         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
293         Handle static assertions if static_assert_ok.
294         (c_parser_external_declaration, c_parser_declaration_or_fndef,
295         c_parser_compound_statement_nostart, c_parser_label,
296         c_parser_for_statement, c_parser_objc_methodprotolist,
297         c_parser_omp_for_loop): All callers of
298         c_parser_declaration_or_fndef changed.
299         (c_parser_struct_declaration): Handle static assertions.
300         (c_parser_compound_statement_nostart): Use
301         c_parser_next_token_starts_declaration and
302         c_token_starts_declaration to detect start of declarations.
303         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
304         Likewise.
305
306 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
307
308         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
309         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
310         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
311         TARGET_FUNCTION_VALUE_REGNO_P): Define.
312         (mmix_function_outgoing_value): Rename to...
313         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
314         (mmix_function_value_regno_p): Make static.
315         (mmix_libcall_value): New function.
316         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
317         mmix_function_value_regno_p): Remove declaration.
318
319 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
320
321         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
322         BUILT_IN_ALLOCA if stack checking is enabled.
323
324 2010-05-16  Richard Guenther  <rguenther@suse.de>
325
326         * var-tracking.c (vars_copy_1): Inline ...
327         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
328         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
329         (variable_merge_over_cur): Adjust.  Merge asserts.
330         (variable_merge_over_src): Likewise.
331         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
332         (variable_post_merge_new_vals): Merge asserts.
333         (variable_post_merge_perm_vals): Likewise.
334         (find_mem_expr_in_1pdv): Likewise.
335         (dataflow_set_different_value): Remove.
336         (onepart_variable_different_p): Merge asserts.
337         (variable_different_p): Likewise.
338         (dataflow_set_different_1): Inline ...
339         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
340         (emit_notes_for_differences_1): Merge asserts.
341
342 2010-05-16  Richard Guenther  <rguenther@suse.de>
343
344         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
345         * optabs.c (libfunc_decl_hash): Likewise.
346         * varasm.c (emutls_decl): Likewise.
347
348 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
349
350         * c-decl.c: Don't include gimple.h.
351         (merge_decls): Do not copy gimple_body.
352
353 2010-05-15  Jason Merrill  <jason@redhat.com>
354
355         * c.opt: Add -fnothrow-opt.
356
357 2010-05-15  Jan Hubicka  <jh@suse.cz>
358
359         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
360         analyzed.
361         * passes.c (ipa_write_summaries): Write all analyzed nodes.
362
363 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
364
365         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
366         * Makefile.in: Add it.
367         Fix all other Makefile dependencies for changes below.
368         * tree.h: Include it instead of defining VEC primitives here.
369         * gimple.h: Likewise.
370         * rtl.h: Likewise.
371         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
372         * except.h: Include vecir.h, break dependence on tree.h.
373
374         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
375         Move from here...
376         * tree-iterator.c: ...to here.
377         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
378
379         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
380         tm_p.h.
381         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
382         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
383         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
384         tree-mudflap.h, and target.h.
385         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
386         predict.h, tree-inline.h, gimple.h, and langhooks.h.
387         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
388         Add FIXME for why gimple.h is still included (should be unnecessary
389         since GCC 4.5 gimplification unit-at-a-time).
390         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
391         * c-pragma.c: Add FIXME for why function.h needs to be included just
392         for cfun, at front-end level.
393         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
394         Do not include ggc.h, but include vecprim.h for VEC(char).
395         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
396         Explain why target.h is included.
397         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
398         Explain why gimple.h is included.
399         * c-ppoutput.c: Do not include tm.h.
400         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
401         * c-parses.c: Explain why rtl.h is included, and that this (and only
402         this) is also why tm.h must be included.
403         Do not include except.h.
404         * c-lang.c: Do not include ggc.h.
405
406 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
407
408         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
409
410 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
411
412         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
413         unions by default if those structs and unions have no tags.  Do
414         not condition anonymous struct and unions handling on flag_iso.
415         Allow anonymous structs and unions for C1X.
416         (finish_struct): Do not diagnose lack of named fields when
417         anonymous structs and unions present for C1X.  Accept flexible
418         array members in structure with anonymous structs or unions but no
419         directly named fields.
420         * doc/extend.texi (Unnamed Fields): Update.
421
422 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
423
424         * gimple.h (compare_field_offset): Rename into...
425         (gimple_compare_field_offset): ...this.
426         * gimple.c (compare_field_offset): Rename into...
427         (gimple_compare_field_offset): ...this.  Compare the full access if
428         the offset is self-referential.
429         (gimple_types_compatible_p): Adjust for above renaming.
430         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
431         DECL_NONADDRESSABLE_P flag of fields before merging them.
432
433 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
434
435         * tree.h (ctor_to_list): Delete.
436         * tree.c (ctor_to_list): Delete.
437
438 2010-05-15  Jan Hubicka  <jh@suse.cz>
439
440         * ipa-reference.c: Include toplev.h
441         (is_proper_for_analysis): Only add to all_module_statics
442         if it is allocated.
443         (write_node_summary_p, stream_out_bitmap,
444         ipa_reference_write_optimization_summary,
445         ipa_reference_read_optimization_summary): New.
446         (struct ipa_opt_pass_d pass_ipa_reference): Add
447         optimization summary streaming.
448         * lto-cgraph.c (referenced_from_this_partition_p,
449         reachable_from_this_partition_p): New functions.
450         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
451         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
452         * opts.c (decode_options): Enable ipa_reference.
453         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
454         * lto-streamer.h (referenced_from_this_partition_p,
455         reachable_from_this_partition_p): Declare.
456
457 2010-05-15  Richard Guenther  <rguenther@suse.de>
458
459         PR tree-optimization/44038
460         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
461         taking the address of a V_C_E of a constant.
462
463 2010-05-14  Jan Hubicka  <jh@suse.cz>
464
465         * tree.h (memory_identifier_string): Remove.
466         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
467         (ipa_reference_global_vars_info_d): Remove statics_not_read and
468         statics_not_written.
469         (ipa_reference_optimization_summary_d): New structure.
470         (ipa_reference_optimization_summary_t): New type and vector.
471         (ipa_reference_vars_info_d): Embedd structures instead of using
472         pointers.
473         (reference_vars_to_consider): Remove out of GGC space.
474         (module_statics_escape): Remove.
475         (global_info_obstack): Rename to ...
476         (optimization_summary_obstack): ... this one.
477         (initialization_status_t): Remove.
478         (memory_identifier_string): Remove.
479         (get_reference_vars_info): Fix indenting.
480         (set_reference_vars_info): Likewise.
481         (get_reference_optimization_summary): New.
482         (set_reference_optimization_summary): New.
483         (get_global_reference_vars_info): Remove.
484         (ipa_reference_get_read_global): Remove.
485         (ipa_reference_get_written_global): Remove.
486         (ipa_reference_get_not_read_global): Update.
487         (ipa_reference_get_not_written_global): Update.
488         (is_proper_for_analysis): Outlaw addressable.
489         (propagate_bits): Update for new datastructures.
490         (analyze_variable): Remove.
491         (init_function_info): Update for new datastructures.
492         (clean_function_local_data): Remove.
493         (clean_function): Remove.
494         (copy_global_bitmap): Use optimizations_summary_obstack.
495         (duplicate_node_data): Duplicate optimization summary only.
496         (remove_node_data): Remove optimization summary only.
497         (generate_summary): Do not analyze variables; do not compute
498         module_statics_escape; do not prune solutions by it.
499         (read_write_all_from_decl): Fix typos in comments.
500         (propagate): Doscover readonly and nonaddressable first;
501         update for new datastructures; share global bitmaps.
502         * ipa-reference.h (ipa_reference_get_read_global,
503         ipa_reference_get_written_global): Remove.
504         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
505         * Makefile.in: Remove ipa-refereference from GT files.
506
507 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
508
509         PR debug/44112
510         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
511         for all SYMBOL_REF_DECLs.
512
513 2010-05-14  Jan Hubicka  <jh@suse.cz>
514
515         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
516         (varpool_all_refs_explicit_p): New inline function.
517         * ipa-reference.c: Update comment.
518         (module_statics_written): Remove.
519         (get_static_decl): Remove.
520         (ipa_init): Do not initialize module_statics_written.
521         (analyze_function): Likewise.
522         (generate_summary): Likewise; do not compute module_statics_readonly
523         and do not update variable flags.
524         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
525         * ipa.c: Inlucde flags.h
526         (cgraph_local_node_p): New.
527         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
528         promote functions to local.
529         (ipa_discover_readonly_nonaddressable_vars): New function.
530         (function_and_variable_visibility): Use cgraph_local_node_p.
531         * varpool.c (varpool_finalize_decl): Set force_output for
532         DECL_PRESERVE_P vars.
533
534 2010-05-14  Jan Hubicka  <jh@suse.cz>
535
536         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
537
538 2010-05-14  Richard Guenther  <rguenther@suse.de>
539
540         PR tree-optimization/44119
541         * tree-ssa-pre.c (eliminate): Properly mark replacement of
542         a PHI node necessary.
543
544 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
545
546         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
547
548 2010-05-14  Jason Merrill  <jason@redhat.com>
549
550         PR c++/44127
551         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
552         (gimple_call_set_nothrow): New.
553         * gimple.c (gimple_build_call_from_tree): Call it.
554         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
555
556         PR c++/44127
557         * gimplify.c (gimplify_seq_add_stmt): No longer static.
558         * gimple.h: Declare it.
559         * gimple.c (gimple_build_eh_filter): No ops.
560
561 2010-05-14  Jan Hubicka  <jh@suse.cz>
562
563         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
564         nodes already in queue.
565         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
566         re-enqueueing node.
567
568 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
569
570         PR debug/44136
571         * cfgexpand.c (expand_debug_expr): If non-memory op0
572         has BLKmode, return NULL.
573
574 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
575
576         * config.gcc: Add support for --with-cpu option for bdver1.
577         * config/i386/i386.h (TARGET_BDVER1): New macro.
578         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
579         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
580         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
581         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
582         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
583         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
584         (processor_type): Add PROCESSOR_BDVER1.
585         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
586         processor_type in config/i386/i386.h.
587         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
588         movaps <reg, reg> instead of movapd <reg, reg> when replacing
589         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
590         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
591         to emit packed xor instead of packed double/packed integer
592         xor for SSE and AVX when moving a zero value.
593         * config/i386/sse.md: Add check for
594         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
595         movapd/movdqa for SSE and AVX.
596         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
597         single logical operations i.e and, or and xor instead of packed double
598         logical operations for SSE and AVX.
599         * config/i386/i386-c.c (ix86_target_macros_internal):
600         Add PROCESSOR_BDVER1.
601         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
602         (has_fma4, has_xop): New.
603         * config/i386/i386.c (bdver1_cost): New variable.
604         (m_BDVER1): New macro.
605         (m_AMD_MULTIPLE): Add m_BDVER1.
606         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
607         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
608         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
609         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
610         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
611         x86_tune_sse_partial_reg_dependency,
612         x86_tune_sse_unaligned_load_optimal,
613         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
614         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
615         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
616         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
617         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
618         Enable/disable for bdver1.
619         (processor_target_table): Add bdver1_cost.
620         (cpu_names): Add bdver1.
621         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
622          processor_alias_table.
623         (ix86_expand_vector_move_misalign): Change.
624         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
625         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
626         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
627         of movupd/movdqu for SSE and AVX.
628         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
629         (ix86_tune_adjust_cost): Add code for bdver1.
630         (standard_sse_constant_opcode): Add check for
631         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
632         of packed double xor for SSE and AVX.
633
634 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
635
636         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
637         result to unsigned.
638
639 2010-05-14  Tristan Gingold  <gingold@adacore.com>
640
641         * toplev.c (default_debug_hooks): Remove this variable.
642         (process_options): Remove assignments to default_debug_hooks.
643
644 2010-05-14  Martin Jambor  <mjambor@suse.cz>
645
646         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
647         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
648         * langhooks.h (struct lang_hooks_for_decls): Removed field
649         fold_obj_type_ref.
650         * tree.c (free_lang_data): Remove assignment to
651         lang_hooks.fold_obj_type_ref.
652         * tree.def (OBJ_TYPE_REF): Update comment.
653
654 2010-05-14  Richard Guenther  <rguenther@suse.de>
655
656         PR tree-optimization/44124
657         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
658
659 2010-05-14  Alan Modra  <amodra@gmail.com>
660
661         PR target/44075
662         * config/rs6000/rs6000.c (struct machine_function): Reorder
663         fields for better packing.  Add lr_save_state.
664         (rs6000_ra_ever_killed): Return lr_save_state if set.
665         (rs6000_emit_eh_reg_restore): Set lr_save_state.
666
667 2010-05-13  Jan Hubicka  <jh@suse.cz>
668
669         * varpool.c (decide_is_variable_needed): Drop code checking
670         TREE_SYMBOL_REFERENCED.
671
672 2010-05-13  Jan Hubicka  <jh@suse.cz>
673
674         * final.c (output_addr_const): Do not call mark_decl_referenced.
675         * cgraphunit.c (process_function_and_variable_attributes): Use
676         mark_needed_node dirrectly.
677         (assemble_thunk): Do not call mark_decl_referenced.
678
679 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
680
681         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
682
683 2010-05-13  Jeff Law  <law@redhat.com>
684
685         * ira-conflicts.c (print_allocno_conflicts): New function broken out
686         from...
687         (print_conflicts): Call print_allocno_conflicts.
688
689 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
690
691         PR debug/44104
692         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
693         if it is NULL.
694
695 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
696
697         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
698         t-mingw-w64 or t-mingw-w32 for multilib configuration.
699         * config/i386/t-mingw-w32: New.
700         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
701
702 2010-05-13  Martin Jambor  <mjambor@suse.cz>
703
704         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
705         gimple-fold.c).
706         * gimple-fold.c (get_base_binfo_for_type): New function.
707         (gimple_get_relevant_ref_binfo): Likewise.
708         (gimple_fold_obj_type_ref_known_binfo): Likewise.
709         (gimple_fold_obj_type_ref): Likewise.
710         (fold_gimple_call): Simplify condition for folding virtual calls
711         and call gimple_fold_obj_type_ref.
712         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
713         (gimple_fold_obj_type_ref_known_binfo): Likewise.
714
715 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
716
717         * config/rs6000/rs6000-protos.h
718         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
719         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
720         (rs6000_debug_mode_dependent_address)
721         (rs6000_mode_dependent_address_ptr): Likewise.
722
723 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
724
725         PR debug/43983
726         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
727         by SRA.
728         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
729         * tree-sra.c (create_access_replacement): Call unshare_expr before
730         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
731         * dwarf2out.c: Include tree-flow.h.
732         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
733         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
734         Handle DW_OP_bit_piece.
735         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
736         construct_piece_list, adjust_piece_list): New functions.
737         (add_var_loc_to_decl): Handle SRA optimized variables.
738         Adjust for var_loc_note to loc field renaming.
739         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
740         in VAR_LOCATION note.
741         (new_loc_descr_op_bit_piece): New function.
742         (dw_sra_loc_expr): New function.
743         (dw_loc_list): Use it.  Don't handle the last range after the
744         loop, handle it inside of the loop.  Adjust for var_loc_note
745         to loc field renaming.
746         (add_location_or_const_value_attribute): Only special case
747         single entry loc lists if loc is NOTE_P.  Adjust for
748         var_loc_note to loc field renaming.
749         (dwarf2out_var_location): Don't set newloc->var_loc_note
750         and newloc->next here.
751
752 2010-05-12  Jan Hubicka  <jh@suse.cz>
753
754         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
755         flag.
756         * cgraph.h (cgraph_only_called_directly_p,
757         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
758         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
759         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
760         (assemble
761         * ipa.c (cgraph_remove_unreachable_nodes): Use
762         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
763         flags.
764         * tree-inline.c (copy_bb): Check address_taken flag.
765         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
766         externally_visible flag.
767
768 2010-05-12  Jason Merrill  <jason@redhat.com>
769
770         PR bootstrap/44048
771         PR target/44099
772         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
773         * sdbout.c (plain_type_1): Likewise.
774         * dwarf2out.c (is_base_type): Likewise.
775         (gen_type_die_with_usage): Likewise.  Generate
776         DW_TAG_unspecified_type for any LANG_TYPE.
777
778 2010-05-12  Jan Hubicka  <jh@suse.cz>
779
780         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
781         indrect edges too.
782         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
783         (cgraph_clone_edge): Update.
784         (cgraph_node_remove_callees): Remove indirect calls too.
785         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
786         (cgraph_create_indirect_edge): Update prototype.
787         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
788         is_proper_for_analysis.
789         (add_new_function, visited_nodes, function_insertion_hook_holder,
790         get_local_reference_vars_info, mark_address_taken, mark_address,
791         mark_load, mark_store, check_asm_memory_clobber, check_call,
792         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
793         (ipa_init): Do not initialize visited_nodes;
794         function_insertion_hook_holder.
795         (analyze_variable): Rewrite.
796         (analyze_function): Rewrite.
797         (copy_local_bitmap): Remove.
798         (duplicate_node_dat): Do not duplicate local info.
799         (generate_summary): Simplify to only walk cgraph.
800         (write_node_summary_p, ipa_reference_write_summary,
801         ipa_reference_read_summary): Remove.
802         (propagate): Do not remove function insertion;
803         generate summary.
804         (pass_ipa_reference): NULLify summary handling fields.
805         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
806         (input_edge): Input ecf_flags.
807         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
808         (update_indirect_edges_after_inlining): Ignore edges with unknown
809         param.
810
811 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
812
813         * implicit-zee.c: New file.
814         * tree-pass.h (pass_implicit_zee): Declare.
815         * passes.c (init_optimization_passes): Add zee pass.
816         * common.opt (fzee): New flag.
817         * timevar.def (TV_ZEE): Define.
818         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
819         and beyond.
820         * Makefile.in (implicit-zee.o): Add new build file.
821
822 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
823             Nathan Froyd  <froydnj@codesourcery.com>
824
825         * c-common.c (sync_resolve_params): Remove write-only variable.
826
827 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
828
829         * target.h (struct gcc_target): Add mode_dependent_address_p field.
830         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
831         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
832         * targhooks.c (default_mode_dependent_address_p): New function.
833         * targhooks.h (default_mode_dependent_address_p): Declare function.
834         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
835         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
836         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
837         target hook. Change return type to bool.
838         * recog.h: (mode_dependent_address_p): Change return type to bool.
839
840 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
841             Nathan Froyd  <froydnj@codesourcery.com>
842
843         * tree-mudflap.c (build_function_type_0, build_function_type_1,
844         build_function_type_2, build_function_type_3): Remove.
845         (mudflap_init): Use build_function_type_list.
846
847 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
848             Nathan Froyd  <froydnj@codesourcery.com>
849
850         * coverage.c (build_fn_info_value): Call build_constructor instead of
851         build_constructor_from_list.
852         (build_ctr_info_value): Likewise.
853         (build_gcov_info): Likewise.
854
855 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
856
857         * tree.c (build_constructor): Compute TREE_CONSTANT for the
858         resultant constructor.
859         (build_constructor_single): Don't set TREE_CONSTANT.
860         (build_constructor_from_list): Don't compute TREE_CONSTANT.
861
862 2010-05-12  Jan Hubicka  <jh@suse.cz>
863
864         * cgraph.h (struct varpool_node): Add aux.
865         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
866         * varpool.c (varpool_remove_node): Do not remove initializer.
867         (varpool_reset_queue): Export.
868         (varpool_finalize_decl): Volatile vars are forced to be output.
869         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
870         replaced decl.
871         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
872         process_references, varpool_can_remove_if_no_refs): New functions.
873         (cgraph_remove_unreachable_nodes): Handle variables too.
874
875 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
876
877         PR target/44088
878         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
879
880 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
881
882         PR middle-end/44085
883         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
884         change value of ORT_TASK.
885         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
886         (omp_notice_threadprivate_variable): New function.
887         (omp_notice_variable): Call it for threadprivate variables.
888         If enclosing ctx is a task, print enclosing task rather than
889         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
890         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
891         if task has untied clause.
892
893         PR debug/42278
894         * dwarf2out.c (base_type_die): Don't add name attribute here.
895         (modified_type_die): Instead of sizetype use
896         its underlying original type.  If a DW_TAG_base_type doesn't
897         have name added, add __unknown__.
898         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
899         always call force_type_die instead.
900
901 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
902
903         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
904         for __stack_chk_guard.
905
906 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
907
908         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
909         don't call start_source_file debug hook here...
910         (finish_options): ... but here, after outputting predefined and
911         command line defines and undefs.
912
913         PR middle-end/44071
914         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
915         no fallthru edge.
916         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
917         optimizing away empty bb with no successors, move over its
918         footer chain to fallthru predecessor.
919         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
920         (rtl_split_edge): For asm goto call patch_jump_insn even if
921         splitting fallthru edge.
922
923         PR c++/44059
924         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
925         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
926         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
927         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
928         on DW.ref.* decls.
929
930         PR c++/44062
931         * c-parser.c (c_parser_expression): Mark LHS of a comma
932         expression as read if it is a decl, handled component or
933         COMPOUND_EXPR with that on the RHS.
934         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
935         if it is a decl or handled component.
936
937 2010-05-11  Jan Hubicka  <jh@suse.cz>
938
939         * lto-symtab.c (lto_symtab_free): New function.
940         * lto-streamer.h (lto_symtab_free): Declare.
941
942 2010-05-11  Jan Hubicka  <jh@suse.cz>
943
944         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
945         that if function is needed it is reachable.
946         (lto_output_node): See if it the function is reachable or referenced.
947         (output_cgraph): Update call of lto_output_node.
948         * lto-streamer.h (reachable_from_other_partition_p): Declare.
949
950 2010-05-11  Jan Hubicka  <jh@suse.cz>
951
952         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
953         Mark as used.
954
955 2010-05-11  Jan Hubicka  <jh@suse.cz>
956
957         PR tree-optimize/44063
958         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
959         queue.
960         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
961         limits.
962         (estimate_function_body_sizes): Compute sizes even when disregarding.
963
964 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
965
966         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
967
968 2010-05-11  Jan Hubicka  <jh@suse.cz>
969
970         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
971         into every boundary.
972
973 2010-05-11  Jan Hubicka  <jh@suse.cz>
974
975         * matrix-reorg.c (matrix_reorg): Rebuild edges.
976
977 2010-05-11  Jan Hubicka  <jh@suse.cz>
978
979         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
980         lto_streamer_cache_delete): Put nodes into heap.
981         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
982         heap.
983
984 2010-05-11  Jan Hubicka  <jh@suse.cz>
985
986         * cgraphbuild.c (cgraph_rebuild_references): New.
987         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
988         out extern inlines.
989         * cgraph.h (cgraph_rebuild_references): Declare.
990         * tree-inline.c (tree_function_versioning): Use it.
991         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
992
993 2010-05-11  Jan Hubicka  <jh@suse.cz>
994
995         * cgraph.c: Include ipa-utils.h
996         (cgraph_create_virtual_clone): Update references.
997         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
998
999 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1000
1001         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1002         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1003         cache size.
1004
1005 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1006
1007         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1008
1009 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1010
1011         * gcc.c (execute): For -### don't quote arguments that
1012         contain just alphanumerics and _/-. characters.
1013         * doc/invoke.texi: Document that change for -###.
1014
1015         PR debug/44023
1016         * df-problems.c (struct dead_debug): Add to_rescan field.
1017         (dead_debug_init): Clear to_rescan field.
1018         (dead_debug_finish): Rescan all debug insns in to_rescan
1019         bitmap and free the bitmap.
1020         (dead_debug_insert_before): Instead of rescanning debug insns
1021         immediately queue their rescanning until dead_debug_finish.
1022         (df_note_bb_compute): After dead_debug_add do continue instead
1023         of break.
1024
1025 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
1026
1027         PR debug/44028
1028         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1029         clear also INSN_REG_USE_LIST.
1030
1031 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1032
1033         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1034
1035 2010-05-10  Jan Hubicka  <jh@suse.cz>
1036
1037         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1038         commited change.
1039
1040 2010-05-10  Jan Hubicka  <jh@suse.cz>
1041
1042         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1043         Allocate encoders.
1044         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1045         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1046         (lto_streamer_cache_create): Init alloc pool.
1047         (lto_streamer_cache_delete): Free alloc pool.
1048         * lto-streamer.h: Include alloc pool.
1049         (lto_streamer_cache_d): Use alloc pool.
1050         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1051
1052 2010-05-10  Jan Hubicka  <jh@suse.cz>
1053
1054         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1055         * cgraphbuild.c: Include except.h
1056         (record_type_list, record_eh_tables): New function.
1057         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1058
1059 2010-05-10  Jan Hubicka  <jh@suse.cz>
1060
1061         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1062         __frame_dummy_init_array_entry, force_to_data): Attribute as used
1063         rather than unused.
1064
1065 2010-05-10  Michael Matz  <matz@suse.de>
1066
1067         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1068         (can_reassociate_p): Use FLOAT_TYPE_P.
1069         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1070         (vect_force_simple_reduction): ... this.
1071         * tree-parloops.c (gather_scalar_reductions): Use
1072         vect_force_simple_reduction.
1073         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1074         vect_is_simple_reduction, add modify argument, if true rewrite
1075         "a-b" into "a+(-b)".
1076         (vect_is_simple_reduction, vect_force_simple_reduction): New
1077         functions.
1078         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1079
1080 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1081             Vladimir Makarov  <vmakarov@redhat.com>
1082
1083         PR rtl-optimization/44012
1084         * ira-build.c (remove_unnecessary_allocnos): Nullify
1085         regno_allocno_map of the removed allocno.
1086
1087 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1088
1089         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1090         to /dev/null.
1091         * configure: Regenerate.
1092
1093 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1094
1095         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1096         unused.
1097         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1098         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1099         support in Sun ld.
1100         * configure: Regenerate.
1101
1102 2010-05-10  Richard Guenther  <rguenther@suse.de>
1103
1104         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1105         marked if the entry identifier is marked.
1106
1107 2010-05-10  Richard Guenther  <rguenther@suse.de>
1108
1109         * c-common.c (struct c_common_attributes): Add fnspec attribute.
1110         (handle_fnspec_attribute): New function.
1111         * gimple.h (gimple_call_return_flags): Declare.
1112         (gimple_call_arg_flags): Likewise.
1113         * gimple.c (gimple_call_arg_flags): New function.
1114         (gimple_call_return_flags): Likewise.
1115         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1116         New argument flags.
1117         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1118         return value flags.
1119         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1120         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1121         main work to ...
1122         (make_heapvar_for): ... this new function.
1123         (handle_rhs_call): Handle fnspec attribute argument specifiers.
1124         (handle_lhs_call): Likewise.
1125         (find_func_aliases): Adjust.
1126
1127 2010-05-10  Richard Guenther  <rguenther@suse.de>
1128
1129         PR tree-optimization/44050
1130         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1131
1132 2010-05-10  Wei Guozhi  <carrot@google.com>
1133
1134         PR target/42879
1135         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1136
1137 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1138
1139         PR c/10676
1140         * c-typeck.c (lookup_field): Take a type directly.  Update
1141         recursive calls.
1142         (build_component_ref): Update call to lookup_field.
1143         (set_init_label): Use lookup_field to find initialized field.
1144         Handle returned list of fields like a sequence of designators.
1145
1146 2010-05-09  Richard Guenther  <rguenther@suse.de>
1147
1148         PR middle-end/44024
1149         * fold-const.c (tree_single_nonzero_warnv_p): Properly
1150         handle &FUNCTION_DECL.
1151
1152 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1153
1154         PR c/4784
1155         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
1156         structures and unions recursively.
1157         (detect_field_duplicates): Move duplicate detection with a hash to
1158         detect_field_duplicates_hash.  Always use a hash if anonymous
1159         structures or unions are present.
1160         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1161         give errors.
1162
1163 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1164
1165         PR target/44046
1166         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1167         detect Atom, Core 2 and Core i7.
1168
1169 2010-05-09  Richard Guenther  <rguenther@suse.de>
1170
1171         * gcc.c (store_arg): Handle temporary file deletion for
1172         joined arguments.
1173
1174 2010-05-09  Richard Guenther  <rguenther@suse.de>
1175
1176         PR middle-end/44043
1177         * ipa-inline.c (estimate_function_body_sizes): Return after
1178         disregarding inline limits.
1179
1180 2010-05-09  Richard Guenther  <rguenther@suse.de>
1181
1182         * gcc.c (store_arg): Revert last change.
1183
1184 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1185
1186         PR middle-end/28685
1187         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1188         (optimize_ops_list): Call it.
1189
1190 2010-05-08  Richard Guenther  <rguenther@suse.de>
1191
1192         PR tree-optimization/44030
1193         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1194         NECESSARY flag if we propagate from a inserted expression.
1195
1196 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1197
1198         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1199         domain types as equal if they are both PLACEHOLDER_EXPRs.
1200
1201 2010-05-08  Richard Guenther  <rguenther@suse.de>
1202
1203         * lto-wrapper.c (run_gcc): Remove linker output from
1204         command line for LTRANS invocation.
1205
1206 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1207
1208         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1209         lto-macho as lto_binary_reader.
1210         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1211         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1212         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1213         in lto_start and lto_end calls.
1214         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1215         magic numbers.
1216         (scan_prog_file): Update is_elf_or_coff call.
1217         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1218
1219         * collect2.c (main): Fix enum comparison.
1220
1221         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1222         Add prototypes.
1223         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1224         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1225         and TARGET_ASM_LTO_END.
1226         * darwin.c: Include obstack.h and lto-streamer.h.
1227         (lto_section_names_offset, lto_section_names_obstack,
1228         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1229         global variables.
1230         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1231         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1232         to a temporary file.
1233         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1234         (darwin_asm_named_section): For LTO sections, replace the name with
1235         the offset of the section name in a string table, and build this
1236         table.
1237         (darwin_file_start): Initialize global vars for LTO support.
1238         (darwin_file_end): If output to asm_out_file was redirected, append it
1239         to the proper asm_out_file here.  Add the section names section.
1240
1241 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1242
1243         * c-pragma.c (pending_weak_d, pending_weak): New.
1244         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1245         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1246         handle_pragma_weak): Update the uses of pending_weaks.
1247
1248 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1249
1250         PR documentation/44016
1251         * doc/standards.texi (Standards): Link to unversioned
1252         cxx0x_status.html page.
1253
1254 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1255
1256         PR target/43708
1257         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1258         in addition to TREE_USED, to avoid "set but unused" warnings.
1259
1260 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1261
1262         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1263         (is_loop_prefetching_profitable): Do not insert prefetches
1264         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1265         times the prefetch ahead distance.
1266
1267 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1268
1269         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1270         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1271         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1272         the unroll_factor.
1273
1274 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1275
1276         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1277         a diagnostic info when the insn-to-mem ratio is too small.
1278
1279 2010-05-07  Richard Guenther <rguenther@suse.de>
1280
1281         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1282         the linker plugin.
1283         (store_arg): Queue temp_filename for deletion instead of
1284         the whole argument.
1285
1286 2010-05-07  Richard Guenther  <rguenther@suse.de>
1287
1288         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1289         (run_gcc): Handle LTRANS phase invocation.
1290         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1291
1292 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1293
1294         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1295         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1296
1297 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1298
1299         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1300
1301 2010-05-07  Richard Guenther  <rguenther@suse.de>
1302
1303         PR tree-optimization/44020
1304         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1305         code when PRE is not yet initialized.
1306
1307 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1308
1309         * config/mips/dbxmdebug.h: Remove.
1310         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1311
1312 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1313
1314         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1315         with null pointer and also warn about ordered comparison of zero with
1316         pointer if -Wextra.
1317
1318 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1319
1320         * graphite-blocking.c
1321         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1322         * graphite-clast-to-gimple.c
1323         (clast_to_gcc_expression): Same.
1324         (precision_for_value): Same.
1325         (precision_for_interval): Same.
1326         (gcc_type_for_interval): Same.
1327         (graphite_create_new_guard): Same.
1328         (compute_bounds_for_level): Same.
1329         (graphite_create_new_loop_guard): Same.
1330         * graphite-interchange.c
1331         (build_linearized_memory_access): Same.
1332         (pdr_stride_in_loop): Same.
1333         (memory_strides_in_loop_1): Same.
1334         (memory_strides_in_loop): Same.
1335         (extend_scattering): Same.
1336         (psct_scattering_dim_for_loop_depth): Same.
1337         (pbb_number_of_iterations): Same.
1338         * graphite-poly.h
1339         (debug_iteration_domains): Same.
1340         * graphite-ppl.c
1341         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1342         (ppl_set_inhomogeneous_gmp): Same.
1343         (ppl_strip_loop): Same.
1344         (ppl_lexico_compare_linear_expressions): Same.
1345         (ppl_read_polyhedron_matrix): Same.
1346         (ppl_max_for_le_pointset): Same.
1347         * graphite-ppl.h
1348         (ppl_read_polyhedron_matrix): Same.
1349         (tree_int_to_gmp): Same.
1350         (gmp_cst_to_tree): Same.
1351         (ppl_set_inhomogeneous): Same.
1352         (ppl_set_inhomogeneous_tree): Same.
1353         (ppl_set_coef): Same.
1354         (ppl_set_coef_tree): Same.
1355         * graphite-sese-to-poly.c
1356         (build_pbb_scattering_polyhedrons): Same.
1357         (build_scop_scattering): Same.
1358         (scan_tree_for_params_right_scev): Same.
1359         (scan_tree_for_params): Same.
1360         (find_params_in_bb): Same.
1361         (find_scop_parameters): Same.
1362         (add_upper_bounds_from_estimated_nit): Same.
1363         (build_loop_iteration_domains): Same.
1364         (add_condition_to_domain): Same.
1365         (pdr_add_memory_accesses): Same.
1366
1367 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1368
1369         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1370         CLooG's value_* macros to their respective mpz_* counterparts.
1371         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1372         (graphite_create_new_loop_guard): Same.
1373         * graphite-interchange.c (build_linearized_memory_access): Same.
1374         (pdr_stride_in_loop): Same.
1375         (memory_strides_in_loop_1): Same.
1376         (1st_interchange_profitable_p): Same.
1377         * graphite-poly.c (extend_scattering): Same.
1378         (psct_scattering_dim_for_loop_depth): Same.
1379         (pbb_number_of_iterations): Same.
1380         (pbb_number_of_iterations_at_time): Same.
1381         * graphite-poly.h (new_1st_loop): Same.
1382         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1383         (oppose_constraint): Same.
1384         (insert_constraint_into_matrix): Same.
1385         (ppl_set_inhomogeneous_gmp): Same.
1386         (ppl_set_coef_gmp): Same.
1387         (ppl_strip_loop): Same.
1388         (ppl_lexico_compare_linear_expressions): Same.
1389         (ppl_max_for_le_pointset): Same.
1390         (ppl_min_for_le_pointset): Same.
1391         (ppl_build_realtion): Same.
1392         * graphite-ppl.h (gmp_cst_to_tree): Same.
1393         (ppl_set_inhomogeneous): Same.
1394         (ppl_set_inhomogeneous_tree): Same.
1395         (ppl_set_coef): Same.
1396         (ppl_set_coef_tree): Same.
1397         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1398         (build_scop_scattering): Same.
1399         (add_value_to_dim): Same.
1400         (scan_tree_for_params_right_scev): Same.
1401         (scan_tree_for_params_int): Same.
1402         (scan_tree_for_params): Same.
1403         (find_params_in_bb): Same.
1404         (find_scop_parameters): Same.
1405         (add_upper_bounds_from_estimated_nit): Same.
1406         (build_loop_iteration_domains): Same.
1407         (create_linear_expr_from_tree): Same.
1408         (add_condition_to_domain): Same.
1409         (pdr_add_memory_accesses): Same.
1410
1411 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1412             Jason Merrill  <jason@redhat.com>
1413
1414         * c-common.c (c_common_reswords): Add nullptr.
1415         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1416         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1417         (gen_type_die_with_usage): Likewise.
1418         * dbxout.c (dbxout_type): Likewise.
1419         * sdbout.c (plain_type_1): Likewise.
1420
1421 2010-05-06  Jason Merrill  <jason@redhat.com>
1422
1423         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1424         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1425         ret appropriately.
1426         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1427
1428         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1429         stripping WITH_SIZE_EXPR.
1430         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1431         change.
1432
1433 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1434
1435         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1436         list of obsolete configurations.
1437         Disabled check for obsolete configurations.
1438         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1439         Removed support for previous versions.
1440         * config/mips/iris.h: Removed.
1441         * config/mips/iris5.h: Removed.
1442         * config/mips/iris6.h: Merged old iris.h contents.
1443         (TARGET_IRIX): Removed.
1444         (DRIVER_SELF_SPECS): Removed mabi=32.
1445         (IDENT_ASM_OP): Removed undef.
1446         (STARTFILE_SPEC): Removed mabi=32.
1447         (ENDFILE_SPEC): Likewise.
1448         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1449         (MACHINE_TYPE): Update for IRIX 6.5.
1450         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1451         TARGET_IRIX by TARGET_IRIX6.
1452         (mips_file_start): Likewise.
1453         (mips_output_external): Remove IRIX 5/6 O32 support.
1454         (mips_output_function_prologue): Likewise.
1455         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1456         TARGET_IRIX6.
1457         (TARGET_CPU_CPP_BUILTINS): Likewise.
1458         (TARGET_IRIX): Removed.
1459         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1460         (MULTILIB_DIRNAMES): Removed 32.
1461         (MULTILIB_OSDIRNAMES): Removed ../lib.
1462         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1463         (Specific, mips-sgi-irix5): Document removal.
1464         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1465         Remove references to older IRIX 6 releases and the O32 ABI.
1466
1467 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1468
1469         PR bootstrap/43994
1470         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1471         instead of DF_REF_REAL_REG.
1472
1473 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1474
1475         PR target/43888
1476         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1477         handling to still return true for x64 targets.
1478
1479 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1480
1481         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1482
1483 2010-05-06  Jan Hubicka  <jh@suse.cz>
1484
1485         PR tree-optimization/43791
1486         * ipa-inline.c (update_caller_keys): Remove bogus
1487         disregard_inline_limits check.
1488
1489 2010-05-06  Michael Matz  <matz@suse.de>
1490
1491         PR tree-optimization/43984
1492         * tree-ssa-pre.c (inserted_phi_names): Remove.
1493         (inserted_exprs): Change to bitmap.
1494         (create_expression_by_pieces): Set bits, don't append to vector.
1495         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1496         (eliminate): Don't look at inserted_phi_names, remove deleted
1497         insns from inserted_exprs.
1498         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1499         (init_pre, fini_pre): Allocate and free bitmaps.
1500         (execute_pre): Insert insns on edges before elimination.
1501
1502 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1503
1504         * tree.c (initializer_zerop): Handle STRING_CST.
1505
1506 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1507
1508         PR 40989
1509         * doc/invoke.texi (Wimplicit): Document as C only.
1510         * opts.c (common_handle_option): Add argument kind.
1511         (handle_option): Rename as read_cmdline_option. Factor out code to...
1512         (handle_option): ... here. New.
1513         (handle_options): Rename as read_cmdline_options.
1514         (decode_options): Update call.
1515         (set_option): Use option index instead of option pointer. Classify
1516         diagnostics correctly.
1517         (enable_warning_as_error): Call handle_option.
1518         * opts.h (set_option): Update declaration.
1519         (handle_option): Declare.
1520         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1521         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1522         * c-opts.c (set_Wimplicit): Delete.
1523         (c_family_lang_mask): New static constant.
1524         (c_common_handle_option): Add argument kind. Use handle_option
1525         instead of set_Wimplicit.
1526         (c_common_post_options): warn_implicit and warn_implicit_int
1527         are disabled by default.
1528         * c-common.c (warn_implicit): Do not define here.
1529         * c-common.h (warn_implicit): Do not declare here.
1530         (c_common_handle_option): Update declaration.
1531         * lto-opts.c (lto_reissue_options): Update call to set_option.
1532
1533 2010-05-06  Richard Guenther  <rguenther@suse.de>
1534
1535         PR tree-optimization/43571
1536         * domwalk.c (walk_dominator_tree): Walk the dominator
1537         sons in more optimal order.
1538
1539 2010-05-06  Richard Guenther  <rguenther@suse.de>
1540
1541         PR tree-optimization/43934
1542         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1543         (stmt_cost): Likewise.
1544         (extract_true_false_args_from_phi): New helper.
1545         (determine_max_movement): For PHI nodes verify we can hoist them
1546         and compute their cost.
1547         (determine_invariantness_stmt): Handle PHI nodes.
1548         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1549         if-converted form using COND_EXPRs.
1550         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1551         (tree_ssa_lim): Likewise.
1552         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1553         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1554
1555 2010-05-06  Richard Guenther  <rguenther@suse.de>
1556
1557         PR tree-optimization/43987
1558         * tree-ssa-structalias.c (could_have_pointers): For possibly
1559         address-taken variables force pointers to be recorded.
1560         (create_variable_info_for_1): Likewise.
1561         (push_fields_onto_fieldstack): Pass in wheter all fields
1562         must have pointers.
1563         (find_func_aliases): Query types instead of vars whether
1564         they contain pointers where appropriate.
1565
1566 2010-05-06  Jan Hubicka  <jh@suse.cz>
1567
1568         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1569         (record_reference, mark_address, mark_load, mark_store): Record
1570         references.
1571         (record_references_in_initializer): Update call of record_references.
1572         (rebuild_cgraph_edges): Remove all references before rebuiding.
1573         * cgraph.c (cgraph_create_node): Clear ref list.
1574         (cgraph_remove_node): Remove references.
1575         (dump_cgraph_node): Dump references.
1576         (cgraph_clone_node): Clone references.
1577         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1578         (struct cgraph_node, varpool_node): Add ref_lst.
1579         * ipa-ref.c: New file.
1580         * ipa-ref.h: New file.
1581         * ipa-ref-inline.h: New file.
1582         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1583         (referenced_from_other_partition_p): New function.
1584         (lto_output_varpool_node): Take set arugment; call
1585         referenced_from_other_partition.
1586         (lto_output_ref): New.
1587         (add_references): New.
1588         (output_refs): New.
1589         (output_cgraph): Compute boundary based on references; output refs.
1590         (output_varpool): Accept cgraph_node_set argument.
1591         (input_ref): New.
1592         (input_refs): New.
1593         (input_cgraph): Call input_refs.
1594         * lto-section-in.c (lto_section_name): Add refs.
1595         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1596         (ipa-ref.o): New file.
1597         * varpool.c (varpool_node): Clear ipa ref list.
1598         (varpool_remove_node): Remove references.
1599         (dump_varpool_node): Dump references.
1600         (varpool_assemble_decl): Only compile finalized ones.
1601         (varpool_extra_name_alias): Initialize ref list.
1602         * lto-streamer.c (lto-get_section_name): Add .refs section.
1603         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1604         (referenced_from_other_partition_p): Declared.
1605
1606 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1607
1608         PR tree-optimization/43901
1609         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1610         type is not NULL if it's transformation phase, and return
1611         FALSE if it's analysis.
1612         (vectorizable_conversion, vectorizable_operation,
1613         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1614
1615 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1616
1617         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1618         Delete.
1619         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1620         New define.
1621         * config/mips/mips-protos.h
1622         (mips_small_register_classes_for_mode_p): Delete prototype.
1623
1624 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1625
1626         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1627         * config/arm/arm.c (multiple_operation_profitable_p,
1628         compute_offset_order): New static functions.
1629         (load_multiple_sequence, store_multiple_sequence): Use them.
1630         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1631         memory offsets, not register numbers.
1632         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1633
1634 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1635
1636         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1637         (get_pending_sizes, put_pending_size, put_pending_sizes):
1638         Update the uses of pending_sizes.
1639         * c-decl.c (store_parm_decls): Likewise.
1640         * c-tree.h (struct c_arg_info): Likewise.
1641         * tree.h: Update the prototype for get_pending_sizes and
1642         put_pending_sizes.
1643
1644 2010-05-05  Jason Merrill  <jason@redhat.com>
1645
1646         PR debug/43370
1647         * c-common.c (handle_aligned_attribute): Respect
1648         ATTR_FLAG_TYPE_IN_PLACE.
1649
1650         PR testsuite/43758
1651         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1652         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1653         (TARGET_INITIALIZER): Use it.
1654         * c-common.c (attribute_takes_identifier_p): Call it.
1655         * c-common.h: Update prototype.
1656         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1657         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1658
1659 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1660
1661         PR debug/43950
1662         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1663         DW_ID_down_case for Fortran compilation units.
1664
1665 2010-05-05  Jan Hubicka  <jh@suse.cz>
1666
1667         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1668         handle aliases.
1669
1670 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1671
1672         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1673         a variable-sized RESULT_DECL.
1674
1675 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1676
1677         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1678
1679 2010-05-05  Jason Merrill  <jason@redhat.com>
1680
1681         PR c++/43787
1682         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1683         returns GS_OK.
1684         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1685
1686 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1687             Jakub Jelinek  <jakub@redhat.com>
1688
1689         PR debug/43478
1690         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1691         (dead_debug_init, dead_debug_finish): New functions.
1692         (dead_debug_add, dead_debug_insert_before): Likewise.
1693         (df_note_bb_compute): Initialize a dead_debug object, add dead
1694         debug uses to it, insert debug bind insns before death insns,
1695         reset debug insns that refer to pending uses at the end.
1696         * rtl.h (make_debug_expr_from_rtl): New prototype.
1697         * varasm.c (make_debug_expr_from_rtl): New function.
1698
1699 2010-05-05  Jan Hubicka  <jh@suse.cz>
1700
1701         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1702         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1703         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1704         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1705         lto_varpool_encoder_encode_initializer_p,
1706         lto_set_varpool_encoder_encode_initializer): New functions.
1707         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1708         call output_varpool.
1709         (input_varpool_node): Do not always set analyzed.
1710         (input_cgraph_1): Return vector of cgraph nodes.
1711         (input_varpool_1): Return vector of varpools.
1712         (input_cgraph): Free the vectors.
1713         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1714         output only initializers needed.
1715         (lto_output): Only call output_cgraph.
1716         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1717         * lto-section-out.c (lto_new_out_decl_state): Initialize
1718         state->varpool_node_encoder.
1719         * lto-streamer.h (lto_varpool_encoder_d): New.
1720         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1721         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1722         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1723         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1724         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1725         Declare.
1726         (output_varpool, input_varpool): Remove declarations.
1727
1728 2010-05-05  Jan Hubicka  <jh@suse.cz>
1729
1730         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1731         with body can prevail.
1732
1733 2010-05-05  Jan Hubicka  <jh@suse.cz>
1734
1735         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1736         size.
1737
1738 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1739
1740         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1741
1742         * gengtype.h (erro_at_line): Constify pos argument.
1743
1744         * gengtype.c: Include hashtab.h.
1745         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1746         (error_at_line): Constify pos argument.
1747         (do_typedef): Initialize p->opt field.
1748         (get_file_gtfilename): Fix comment typo.
1749         (struct walk_type_data): Constify line field.
1750         (get_output_file_for_structure): New function.
1751         (write_local_func_for_structure): Constify orig_s argument.
1752         Use get_output_file_for_structure.
1753         (write_func_for_structure): Use get_output_file_for_structure.
1754         (INDENT): New define.
1755         (dump_pair, dump_type, dump_type_list, dump_typekind)
1756         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1757         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1758         functions.
1759         (seen_types): New variable.
1760         (main): New variable do_dump.  Process "-d" command line option.
1761         Call dump_everything if dump requested.
1762
1763 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1764
1765         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1766         in a temporary instead of invoking the macro multiple times.
1767         (track_expr_p): Likewise.
1768
1769 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1770
1771         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1772         per new semantics.
1773         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1774         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1775         conditions for printing notes.
1776         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1777         true, update documentation.
1778         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1779
1780 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1781
1782         PR c/43981
1783         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1784         on dimen.
1785
1786 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1787
1788         PR target/43799
1789         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1790         (*sse_prologue_save_insn1): Likewise.
1791         (SSE prologue save splitter): Likewise.
1792
1793 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1794
1795         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1796         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1797         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1798         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1799         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1800         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1801         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1802
1803 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1804
1805         * tree-sra.c (build_access_from_expr_1): The first parameter type
1806         changed to simple tree.
1807         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1808         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1809         renamed as well.
1810         (build_accesses_from_assign): Removed all parameters except for a
1811         simple gimple statement.  Now returns a simple bool.
1812         (scan_function): All non-analysis parts moved to separate functions
1813         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1814         parameters and updated both callers.
1815         (sra_modify_expr): Removed parameter data.
1816         (sra_modify_function_body): New function.
1817         (perform_intra_sra): Call sra_modify_function_body to modify the
1818         function body.
1819         (replace_removed_params_ssa_names): Parameter data changed into
1820         adjustments vector.
1821         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1822         changed the parameter dont_convert to convert with the opposite
1823         meaning.
1824         (sra_ipa_modify_assign): Parameter data changed into adjustments
1825         vector, return value changed to bool.
1826         (ipa_sra_modify_function_body): New function.
1827         (sra_ipa_reset_debug_stmts): Updated a comment.
1828         (modify_function): Use ipa_sra_modify_function_body to modify function
1829         body.
1830
1831 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1832
1833         PR middle-end/43671
1834         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1835         (canon_true_dependence): Likewise.
1836         (write_dependence_p): Likewise.
1837
1838 2010-05-04  Jan Hubicka  <jh@suse.cz>
1839
1840         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1841         * cgraphbuild.c: Include ipa-utils.h
1842         (record_reference_ctx): New struct.
1843         (record_reference): Simplify to work on initializers; not statements.
1844         (mark_address, mark_load, mark_store): New.
1845         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1846         walk PHI nodes too.
1847         (record_references_in_initializer): Update use of record_reference.
1848         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1849         walk PHI nodes too.
1850
1851 2010-05-04  Jan Hubicka  <jh@suse.cz>
1852
1853         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1854         node will be removed anyway.
1855         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1856         relink aliases of node into prevailing node.
1857         * varpool.c (varpool_remove_node): Remove aliases properly;
1858         when removing node, remove all its aliases too; remove DECL_INITIAL
1859         of removed node; ggc_free the varpool node.
1860
1861 2010-05-04  Richard Guenther  <rguenther@suse.de>
1862
1863         PR tree-optimization/43879
1864         * tree-ssa-structalias.c (alias_get_name): Use
1865         DECL_ASSEMBLER_NAME if available.
1866         (create_function_info_for): Return the varinfo node.
1867         (ipa_pta_execute): Associate same-body aliases and extra names
1868         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1869
1870 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1871
1872         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1873
1874 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1875
1876         PR bootstrap/43964
1877         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1878         only if HONOR_REG_ALLOC_ORDER is not defined.
1879
1880 2010-05-04  Richard Guenther  <rguenther@suse.de>
1881
1882         PR tree-optimization/43949
1883         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1884         TRUNC_MOD_EXPR.
1885
1886 2010-04-26  Jason Merrill  <jason@redhat.com>
1887
1888         * c.opt (-fstrict-enums): New.
1889         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1890
1891 2010-05-03  David Ung <davidu@mips.com>
1892             James E. Wilson  <wilson@codesourcery.com>
1893
1894         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1895         emit the trap instruction before the divide for TUNE_74K.
1896
1897 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1898
1899         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1900         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1901         based on the above, for new target hook.
1902
1903         * hooks.c (hook_bool_mode_true): New generic hook.
1904         * hooks.h (hook_bool_mode_true): Add prototype.
1905
1906         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1907         target hook.
1908         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1909         target hook, set to hook_bool_mode_false.
1910         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1911         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1912         with targetm.small_register_classes_for_mode_p.
1913         (find_reusable_reload): Likewise.
1914         (combine_reloads): Likewise.
1915         * reload1.c (reload_as_needed): Likewise.
1916         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1917         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1918         dead_or_predicable): Likewise.
1919         * regmove.c (optimize_reg_copy_1): Likewise.
1920         * calls.c (prepare_call_address): Likewise.
1921         (precompute_register_parameters): Likewise.
1922
1923         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1924         hook definition.
1925         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1926         implementation of the hook that considers all register classes
1927         small except for SH64.
1928         (sh_override_options): Use the new hook.
1929         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1930         Add prototype.
1931
1932         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1933         hook definition.
1934         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1935         implementation of the hook that considers all register classes
1936         small for THUMB1.
1937         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1938         Add prototype.
1939
1940         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1941         hook definition.
1942         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1943         implementation of the hook that considers all register classes
1944         small for MIPS16.
1945         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1946         Add prototype.
1947
1948         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1949         hook definition.
1950         * config/m32c/m32c.h: Likewise.
1951         * config/pdp11/pdp11.h: Likewise.
1952         * config/avr/avr.h: Likewise.
1953         * config/xtensa/xtensa.h: Likewise.
1954         * config/m68hc11/m68hc11.h: Likewise.
1955         * config/mn10300/mn10300.h: Likewise.
1956         * config/mcore/mcore.h: Likewise.
1957         * config/h8300/h8300.h: Likewise.
1958         * config/bfin/bfin.h: Likewise.
1959
1960         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1961         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1962
1963 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1964
1965         * double-int.h (tree_to_double_int): Remove macro.
1966         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1967         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1968         (tree_to_double_int): New function.
1969         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1970         Move ...
1971         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1972
1973 2010-05-03  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/43971
1976         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1977         constraints in the !flag_delete_null_pointer_checks case.
1978
1979 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR debug/43972
1982         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1983         result mode matches original rtl mode.
1984
1985 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1986
1987         PR target/43888
1988         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1989
1990 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1991
1992         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1993         when processing flag options.
1994
1995 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1996
1997         * gcov-iov.c (main): Change format string placeholder
1998         from %#08x to 0x%08x.
1999         * genchecksum.c (dosum): Change format string placeholder
2000         from %#02x to 0x%02x.
2001
2002 2010-05-02  Richard Guenther  <rguenther@suse.de>
2003
2004         PR tree-optimization/43879
2005         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2006
2007 2010-05-02  Bruno Haible  <bruno@clisp.org>
2008
2009         * doc/extend.texi (Function Attributes): Fix a typo.
2010
2011 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2012
2013         Revert:
2014         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2015         placeholder from 0x%x to %#x.
2016         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2017         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2018         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2019         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2020         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2021         * config/i386/i386.c (ix86_target_string): Ditto.
2022         * config/i386/i386.c (output_pic_addr_const): Ditto.
2023         (print_operand): Ditto.
2024
2025 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2026
2027         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2028         placeholder from 0x%x to %#x.
2029         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2030         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2031         (ASM_OUTPUT_DEBUG_DATA): Ditto.
2032         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2033         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2034         * optc-gen.awk: Ditto.
2035         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2036         (HOST_WIDE_INT_PRINT_HEX): Ditto.
2037         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2038         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2039
2040 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2041
2042         * target.h (struct calls): Add function_value_regno_p field.
2043         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2044         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2045         * targhooks.c (default_function_value_regno_p): New function.
2046         * targhooks.h (default_function_value_regno_p): Declare function.
2047         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2048         * builtins.c. (apply_result_size): (Ditto.).
2049         * combine.c. (likely_spilled_retval_p): (Ditto.).
2050         * mode-switching.c. Include 'target.h'.
2051         (create_pre_exit): Use function_value_regno_p hook.
2052         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2053         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2054         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2055
2056         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2057         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2058         (ix86_function_value_regno_p): Declare as static, change argument
2059         type to const unsigned int.
2060         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2061
2062 2010-05-01  Richard Guenther  <rguenther@suse.de>
2063
2064         PR tree-optimization/43949
2065         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2066         types.
2067         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2068
2069 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2070
2071         * rtl.h (CONST_DOUBLE_P): Define.
2072         (rtx_to_double_int): Declare.
2073         * emit-rtl.c (rtx_to_double_int): New function.
2074         * dwarf2out.c (insert_double): New function.
2075         (loc_descriptor, add_const_value_attribute): Clean up, use
2076         rtx_to_double_int and insert_double functions.
2077
2078 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2079
2080         * doc/extend.texi (Inline): Add missing return keyword to examples.
2081         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2082         "command-line".
2083
2084 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2085
2086         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2087         the variable part of the offset as well.  Use highest_pow2_factor for
2088         all alignment checks.
2089
2090 2010-04-30  Richard Guenther  <rguenther@suse.de>
2091
2092         PR tree-optimization/43879
2093         * tree-ssa-structalias.c (type_could_have_pointers): Functions
2094         can have pointers.
2095
2096 2010-04-30  Jan Hubicka  <jh@suse.cz>
2097
2098         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2099         varpool.
2100         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2101
2102 2010-04-30  Jan Hubicka  <jh@suse.cz>
2103
2104         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2105         New.
2106         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2107         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2108         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2109         cgraph_node_set_needs_ltrans_p): Remove.
2110
2111 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2112
2113         * sdbout.c: Include vec.h, do not include varray.h.
2114         (deferred_global_decls, sdbout_global_decl,
2115         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2116         * toplev.c: Do not include varray.h.
2117         (dump_memory_report): Do not dump VARRAY statistics.
2118         * gengtype.c (open_base_file): Ignore varray.h.
2119         * Makefile.in: Update for abovementioned changes.
2120         Remove all traces of varray.c and varray.h.
2121         * varray.c: Remove file.
2122         * varray.h: Remove file.
2123
2124 2010-04-30  Jan Hubicka  <jh@suse.cz>
2125
2126         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2127         references.
2128
2129 2010-04-30  Jan Hubicka  <jh@suse.cz>
2130
2131         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2132         needed.
2133
2134 2010-04-30  Richard Guenther  <rguenther@suse.de>
2135
2136         * tree-ssa-structalias.c (get_constraint_for_1): Generate
2137         constraints for CONSTRUCTOR.
2138
2139 2010-04-30  Richard Guenther  <rguenther@suse.de>
2140
2141         PR lto/43946
2142         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2143         first after all lowering passes.
2144
2145 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2146
2147         * toplev.c: Include varray.h for statistics dumping.
2148         * tree.h: Do not declare varray_head_tag.
2149         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2150         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2151         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2152         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2153         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2154         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2155         c-common.c, c-common.h, reg-stack.c, basic-block.h,
2156         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2157         include varray.h.
2158         * Makefile.in: Update for abovementioned changes.
2159
2160 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR debug/43942
2163         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2164
2165 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2166
2167         * config/picochip/picochip.c (picochip_legitimize_address): Define.
2168         Use this function to do machine-specific conversion.
2169         (picochip_legitimize_reload_address): Likewise.
2170         (picochip_legitimate_address_p): Check valid base register only if
2171         strict.
2172         (picochip_check_conditional_copy): Check for modw only if opnd is
2173         register.
2174         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2175         to call the function in c.
2176         * config/picochip/picochip-protos.h
2177         (picochip_legitimize_reload_address): Define.
2178         * config/picochip/picochip.md (supported_compare1): Define.
2179
2180 2010-04-30  Jan Hubicka  <jh@suse.cz>
2181
2182         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2183         (cgraph_global_info): Remove inlined.
2184         (LTO_cgraph_tag_names): Remove.
2185         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2186         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2187         simplify cgraph tags and document.
2188         (lto_output_node): Use only LTO_cgraph_unavail_node and
2189         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2190         for_functions_valid, global info, process and output flags.
2191         (input_overwrite_node): Initialize estimated stack size and
2192         estimated growth.  Do not read flags we no longer store.
2193         (input_node): Likewise do not read info no longer stored.
2194         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2195         flag.
2196
2197 2010-04-30  Richard Guenther  <rguenther@suse.de>
2198
2199         PR tree-optimization/43879
2200         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2201         handle non-zero initializers.
2202
2203 2010-04-30  Richard Guenther  <rguenther@suse.de>
2204
2205         * builtins.c (fold_builtin_1): Delete free (0).
2206
2207 2010-04-29  Jan Hubicka  <jh@suse.cz>
2208
2209         * gengtype.c (open_base_files): Add lto-streamer.h
2210         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2211         (pass_ipa_cp): GGC collect.
2212         * toplev. (compile_file): Do not output symbols.
2213         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2214         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2215         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2216         * lto-section-in.c: Include ggc.h
2217         (lto_new_in_decl_state): Alloc in GGC.
2218         (lto_delete_in_decl_state): Likewise.
2219         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2220         Collect.
2221
2222 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2223
2224         PR target/42895
2225         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2226         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2227         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2228         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2229         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2230         account only if HONOR_REG_ALLOC_ORDER is not defined.
2231         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2232         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2233
2234 2010-04-29  Jon Grant  <04@jguk.org>
2235
2236         * collect2.c (vflag): Change type from int to bool.
2237         (debug): Likewise.
2238         (helpflag): New global bool.
2239         (main): Set vflag and debug with boolean, not integer truth values.
2240         Accept new "--help" option and output usage text if found.
2241         * collect2.h (vflag): Update prototype.
2242         (debug): Likewise.
2243
2244 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2245
2246         PR bootstrap/43936
2247         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2248
2249 2010-04-29  Richard Guenther  <rguenther@suse.de>
2250
2251         PR bootstrap/43935
2252         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2253         with ATTRIBUTE_UNUSED.
2254
2255 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2256
2257         PR target/43921
2258         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2259         INSN_P with NONDEBUG_INSN_P.
2260         (distance_non_agu_define): Likewise.
2261         (distance_agu_use): Likewise.
2262
2263 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2264
2265         From Dominique d'Humieres <dominiq@lps.ens.fr>
2266         PR bootstrap/43858
2267         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2268         test_set.
2269
2270 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2271
2272         * plugin.h (invoke_plugin_callbacks): New inline function.
2273         * plugin.c (flag_plugin_added): New global flag.
2274         (add_new_plugin): Initialize above flag.
2275         (invoke_plugin_callbacks): Rename to ...
2276         (invoke_plugin_callbacks_full): ... this.
2277
2278 2010-04-28  Jan Hubicka  <jh@suse.cz>
2279
2280         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2281         (lto_varpool_replace_node): New.
2282         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2283         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2284         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2285         * cgraph.h (varpool_node_ptr): New type.
2286         (varpool_node_ptr): New vector.
2287         (varpool_node_set_def): New structure.
2288         (varpool_node_set): New type.
2289         (varpool_node_set): New vector.
2290         (varpool_node_set_element_def): New structure.
2291         (varpool_node_set_element, const_varpool_node_set_element): New types.
2292         (varpool_node_set_iterator): New type.
2293         (varpool_node): Add prev pointers, add used_from_other_partition,
2294         in_other_partition.
2295         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2296         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2297         varpool_get_node, varpool_remove_node): Declare.
2298         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2299         varpool_node_set_size): New inlines.
2300         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2301         * tree-pass.h (varpool_node_set_def): Forward declare.
2302         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2303         (ipa_write_optimization_summaries): Update prototype.
2304         * ipa-cp.c (ipcp_write_summary): Update.
2305         * ipa-reference.c (ipa_reference_write_summary): Update.
2306         * lto-cgraph.c (lto_output_varpool_node): New static function.
2307         (output_varpool): New function.
2308         (input_varpool_node): New static function.
2309         (input_varpool_1): New function.
2310         (input_cgraph): Input varpool.
2311         * ipa-pure-const.c (pure_const_write_summary): Update.
2312         * lto-streamer-out.c (lto_output): Update, output varpool too.
2313         (write_global_stream): Kill WPA hack.
2314         (produce_asm_for_decls): Update.
2315         (output_alias_pair_p): Handle variables.
2316         (output_unreferenced_globals): Output only needed partition of varpool.
2317         * ipa-inline.c (inline_write_summary): Update.
2318         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2319         cgraph.
2320         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2321         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2322         varpool_node_set_new, varpool_node_set_add,
2323         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2324         debug_varpool_node_set): New functions.
2325         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2326         (execute_one_pass): Process new decls too.
2327         (ipa_write_summaries_2): Pass around vsets.
2328         (ipa_write_summaries_1): Likewise.
2329         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2330         to add.
2331         (ipa_write_optimization_summaries_1): Pass around vsets.
2332         (ipa_write_optimization_summaries): Likewise.
2333         * varpool.c (varpool_get_node): New.
2334         (varpool_node): Update doubly linked lists.
2335         (varpool_remove_node): New.
2336         (dump_varpool_node): More dumping.
2337         (varpool_enqueue_needed_node): Update doubly linked lists.
2338         (decide_is_variable_needed): Kill ltrans hack.
2339         (varpool_finalize_decl): Kill lto hack.
2340         (varpool_assemble_decl): Skip decls in other partitions.
2341         (varpool_assemble_pending_decls): Update doubly linkes lists.
2342         (varpool_empty_needed_queue): Likewise.
2343         (varpool_extra_name_alias): Likewise.
2344         * lto-streamer.c (lto_get_section_name): Add vars section.
2345         * lto-streamer.h (lto_section_type): Update.
2346         (output_varpool, input_varpool): Declare.
2347
2348 2010-04-28  Mike Stump  <mikestump@comcast.net>
2349
2350         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2351
2352 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2353
2354         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2355         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2356         (lto_input_ts_type_tree_pointers): Likewise.
2357         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2358         (lto_output_ts_type_tree_pointers): Likewise.
2359
2360 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2361
2362         Uniquization of constants at the Tree level
2363         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2364         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2365         bit to the end.
2366         (tree_output_constant_def): Declare.
2367         * gimplify.c (gimplify_init_constructor): When using block copy, first
2368         uniquize the constant constructor on the RHS.
2369         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2370         DECL_IN_CONSTANT_POOL flag.
2371         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2372         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2373         constant pool.
2374         (assemble_variable): Deal with symbols belonging to the tree constant
2375         pool.
2376         (get_constant_section): Add ALIGN parameter and simplify.
2377         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2378         (assemble_constant_contents): Use the expression of the VAR_DECL.
2379         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2380         (tree_output_constant_def): New global function.
2381         (mark_constant): Use the expression of the VAR_DECL.
2382         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2383         its expression.
2384         (output_object_block): Likewise and assemble the expression.
2385
2386 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2387
2388         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2389         hash_tree, eq_tree): New tree hash table.
2390         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2391         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2392         lto_orig_address_remove): Reimplement.
2393
2394 2010-04-28  Xinliang David Li  <davidxl@google.com>
2395
2396         PR c/42643
2397         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2398         (compute_uninit_opnds_pos): New function.
2399         (is_non_loop_exit_postdominating): New function.
2400         (compute_control_dep_chain): New function.
2401         (find_pdom): New function.
2402         (convert_control_dep_chain_into_preds): New function.
2403         (find_predicates): New function.
2404         (find_control_equiv_block): New function.
2405         (collect_phi_def_edges): New function.
2406         (find_def_preds): New function.
2407         (find_dom): New function.
2408         (dump_predicates): New function.
2409         (get_cmp_code): New function.
2410         (is_value_included_in): New function.
2411         (find_matching_predicate_in_rest_chains): New function.
2412         (use_pred_not_overlap_with_undef_path_pred): New function.
2413         (is_use_properly_guarded): New function.
2414         (normalize_cond_1): New function.
2415         (is_and_or_or): New function.
2416         (normalize_cond): New function.
2417         (is_gcond_subset_of): New function.
2418         (is_subset_of_any): New function.
2419         (is_or_set_subset_of): New function.
2420         (is_and_set_subset_of): New function.
2421         (is_norm_cond_subset_of): New function.
2422         (is_pred_expr_subset_of): New function.
2423         (is_pred_chain_subset_of): New function.
2424         (is_included_in): New function.
2425         (is_superset_of): New function.
2426         (find_uninit_use): New function.
2427         (warn_uninitialized_phi): New function.
2428         (compute_possibly_undefined_names): New function.
2429         (ssa_undefined_value_p): New function.
2430         (execute_late_warn_uninitialized): New function.
2431         * tree-ssa.c (ssa_undefined_value_p): Removed.
2432         (warn_uninit): Changed to extern.
2433         (warn_uninitialized_phi): Removed.
2434         (warn_uninitialized_vars): Changed to extern.
2435         (execute_late_warn_uninitialized): Removed
2436         * tree-flow.h: Add new prototypes.
2437         * timevar.def: Add new time variable.
2438         * Makefile.in: Add new build file.
2439
2440 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2441
2442         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2443         type if available.
2444
2445 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2446
2447         PR target/22224
2448         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2449
2450 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2451
2452         * cgraph.h (struct cgraph_node): New field indirect_calls.
2453         (struct cgraph_indirect_call_info): New type.
2454         (struct cgraph_edge): Removed field indirect_call. New fields
2455         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2456         (cgraph_create_indirect_edge): Declare.
2457         (cgraph_make_edge_direct): Likewise.
2458         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2459         * ipa-prop.h (struct ipa_param_call_note): Removed.
2460         (struct ipa_node_params): Removed field param_calls.
2461         (ipa_create_all_structures_for_iinln): Declare.
2462         * cgraph.c: Described indirect edges and uids in initial comment.
2463         (cgraph_add_edge_to_call_site_hash): New function.
2464         (cgraph_edge): Search also among the indirect edges, use
2465         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2466         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2467         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2468         site hash.
2469         (initialize_inline_failed): Assign a reason to indirect edges.
2470         (cgraph_create_edge_1): New function.
2471         (cgraph_create_edge): Moved some functionality to
2472         cgraph_create_edge_1.
2473         (cgraph_create_indirect_edge): New function.
2474         (cgraph_edge_remove_callee): Add an assert checking for
2475         non-indirectness.
2476         (cgraph_edge_remove_caller): Special-case indirect edges.
2477         (cgraph_remove_edge): Likewise.
2478         (cgraph_set_edge_callee): New function.
2479         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2480         (cgraph_make_edge_direct): New function.
2481         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2482         the declaration of the call statement matches.
2483         (cgraph_node_remove_callees): Special-case indirect edges.
2484         (cgraph_clone_edge): Likewise.
2485         (cgraph_clone_node): Clone also the indirect edges.
2486         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2487         indirect_call, dump count of indirect_calls edges.
2488         * ipa-prop.c (iinlining_processed_edges): New variable.
2489         (ipa_note_param_call): Create indirect edges instead of
2490         creating notes.  New parameter node.
2491         (ipa_analyze_call_uses): New parameter node, pass it on to
2492         ipa_note_param_call.
2493         (ipa_analyze_stmt_uses): Likewise.
2494         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2495         (print_edge_addition_message): Work on edges rather than on notes.
2496         (update_call_notes_after_inlining): Likewise, renamed to
2497         update_indirect_edges_after_inlining.
2498         (ipa_create_all_structures_for_iinln): New function.
2499         (ipa_free_node_params_substructures): Do not free notes.
2500         (ipa_edge_duplication_hook): Propagate bits within
2501         iinlining_processed_edges bitmap.
2502         (ipa_node_duplication_hook): Do not duplicate notes.
2503         (free_all_ipa_structures_after_ipa_cp): Renamed to
2504         ipa_free_all_structures_after_ipa_cp.
2505         (free_all_ipa_structures_after_iinln): Renamed to
2506         ipa_free_all_structures_after_iinln.
2507         (ipa_write_param_call_note): Removed.
2508         (ipa_read_param_call_note): Removed.
2509         (ipa_write_indirect_edge_info): New function.
2510         (ipa_read_indirect_edge_info): Likewise.
2511         (ipa_write_node_info): Do not stream notes, do stream information
2512         in indirect edges.
2513         (ipa_read_node_info): Likewise.
2514         (lto_ipa_fixup_call_notes): Removed.
2515         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2516         * ipa-inline.c (pass_ipa_inline): Likewise.
2517         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2518         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2519         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2520         is_gimple_call.
2521         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2522         edges.
2523         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2524         (output_cgraph): Stream also indirect edges.
2525         (lto_output_edge): Added capability to stream indirect edges.
2526         (input_edge): Likewise.
2527         (input_cgraph_1): Likewise.
2528         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2529         of indirect edges.
2530
2531 2010-04-28  Richard Guenther  <rguenther@suse.de>
2532
2533         PR tree-optimization/43879
2534         PR tree-optimization/43909
2535         * tree-ssa-structalias.c (struct variable_info): Add
2536         only_restrict_pointers flag.
2537         (new_var_info): Initialize it.  Increment stats.total_vars here.
2538         (create_function_info_for): Do not increment stats.total_vars here.
2539         (get_function_part_constraint): Fix build with C++.
2540         (insert_into_field_list): Remove.
2541         (push_fields_onto_fieldstack): Properly merge fields.
2542         (create_variable_info_for): Split and simplify.
2543         (create_variable_info_for_1): New piece.
2544         (intra_create_variable_infos): Properly make restrict constraints
2545         from parameters.
2546
2547 2010-04-28  Richard Guenther  <rguenther@suse.de>
2548
2549         PR c++/43880
2550         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2551
2552 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2553             Jan Hubicka <hubicka@ucw.cz>
2554
2555         * doc/invoke.texi (-Wsuggest-attribute=const,
2556         -Wsuggest-attribute=pure): Document.
2557         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2558         (function_always_visible_to_compiler_p,
2559         suggest_attribute, warn_function_pure, warn_function_const):
2560         New functions.
2561         (check_call): Improve debug info.
2562         (analyze_function): Do not check availability.
2563         (add_new_function): Check availability.
2564         (propagate): Output warnings.
2565         (skip_function_for_local_pure_const): New function.
2566         (local_pure_const): Use it; output warnings.
2567         * common.opt (Wsuggest-attribute=const,
2568         Wsuggest-attribute=pure): New.
2569
2570 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2571
2572         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2573         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2574         or DW_CFA_def_cfa_offset{,_sf}.
2575
2576 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2577
2578         * tree.h: Fix truncated long macros.
2579
2580 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2581
2582         * collect2.c (TARGET_64BIT): Redefine to target's default.
2583         * tlink.c: Likewise.
2584         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2585         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2586         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2587         for underscoring __USER_LABEL_PREFIX__.
2588         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2589         (SUB_LINK_ENTRY32): New.
2590         (SUB_LINK_ENTRY64): New.
2591         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2592         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2593         (SUB_LINK_ENTRY64): New.
2594         (SUB_LINK_ENTRY): New.
2595         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2596         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2597         x64 target is choosen.
2598         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2599         * configure: Regenerated.
2600         * configure.ac (leading-mingw64-underscores): Option added.
2601
2602 2010-04-27  Jan Hubicka  <jh@suse.cz>
2603
2604         * doc/invoke.texi (-fipa-profile): Document.
2605         * opts.c (decode_options): Enable ipa-profile at -O1.
2606         * timevar.def (TV_IPA_PROFILE): Define.
2607         * common.opt (fipa-profile): Add.
2608         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2609         flag for clones.
2610         (cgraph_propagate_frequency): Handle only local ones.
2611         * tree-pass.h (pass_ipa_profile): Declare.
2612         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2613         (pass_ipa_profile): Use TV_IPA_PROFILE.
2614         * ipa.c (ipa_profile): New function.
2615         (gate_ipa_profile): Likewise.
2616         (pass_ipa_profile): New global variable.
2617         * passes.c (pass_ipa_profile): New.
2618
2619 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2620
2621         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2622
2623 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2624
2625         PR middle-end/43812
2626         * ipa.c (dissolve_same_comdat_group_list): New function.
2627         (function_and_variable_visibility): Call
2628         dissolve_same_comdat_group_list when comdat group contains external or
2629         newly local nodes.
2630         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2631         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2632
2633 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2634
2635         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2636         (const_hash_1) <VECTOR_CST>: New case.
2637         (compare_constant) <VECTOR_CST>: Likewise.
2638         <ADDR_EXPR>: Deal with LABEL_REFs.
2639         (copy_constant) <VECTOR_CST>: New case.
2640
2641 2010-04-27  Jan Hubicka  <jh@suse.cz>
2642
2643         * cgraph.c (cgraph_propagate_frequency): New function.
2644         * cgraph.h (cgraph_propagate_frequency): Declare.
2645         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2646         cgraph_propagate_frequency.
2647
2648 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2649
2650         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2651
2652 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2653
2654         PR target/40657
2655         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2656         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2657         here to determine which regs to push and how much stack to reserve.
2658
2659 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2660
2661         * doc/gimple.texi (gimple_statement_with_ops): Remove
2662         addresses_taken field.
2663         (gimple_statement_with_memory_ops): Likewise.
2664
2665 2010-04-27  Jan Hubicka  <jh@suse.cz>
2666
2667         * tree-inline.c (eni_inlining_weights): Remove.
2668         (estimate_num_insns): Special case more builtins.
2669
2670 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2671
2672         PR c/32207
2673         * c-typeck.c (build_binary_op): Move forward check for comparison
2674         pointer with null pointer constant and adjust the diagnostic message.
2675
2676 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2677
2678         PR lto/42776
2679         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2680         binutils supports extended .section directive needed by LTO, or
2681         warn if older binutils found.
2682         (LTO_BINARY_READER): New AC_SUBST'd variable.
2683         (LTO_USE_LIBELF): Likewise.
2684         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2685         variable.
2686         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2687         (LTO_USE_LIBELF): Likewise.
2688         * configure: Regenerate.
2689
2690         * collect2.c (is_elf): Rename from this ...
2691         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2692          object files in addition to ELF-formatted ones.
2693         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2694         symbol to be prefixed or not by an extra underscore.
2695
2696         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2697         * config/i386/winnt.c: Also #include lto-streamer.h
2698         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2699         LTO named sections.
2700         (i386_pe_asm_output_aligned_decl_common): Add comment.
2701         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2702
2703 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2704
2705         PR target/43889
2706         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2707         Add missing earlyclobber for second alternative.
2708
2709 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2710
2711         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2712         bits for artificial defs at the top of the block.
2713         * fwprop.c (single_def_use_enter_block): Don't call it.
2714
2715 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2716
2717         PR 43715
2718         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2719         instead of "$gcc_cv_objdump -T".
2720         Use "-undefined dynamic_lookup" on darwin.
2721         * gcc/configure: Regenerate.
2722
2723 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2724
2725         PR c/43893
2726         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2727
2728 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2729
2730         * c-parser.c (struct c_token): Move location field up.
2731         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2732         (struct c_declspecs): Convert typespec_word, storage_class, and
2733         default_int_p into bitfields.
2734         (struct c_declarator): Move loc field up.
2735
2736 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2737
2738         * cfgloop.h (struct loop): Move can_be_parallel field up.
2739         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2740         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2741         down.
2742         (struct iv_cand): Convert pos field into a bitfield.
2743         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2744         field up.
2745         (struct _stmt_vec_info): Shuffle fields for better packing.
2746
2747 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2748
2749         * varasm.c (IN_NAMED_SECTION): Remove guard.
2750         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2751         (IN_NAMED_SECTION_P): ...this.
2752         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2753         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2754
2755 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2756
2757         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2758         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2759         of shadowing it.  Fix comments.
2760
2761 2010-04-26  Jan Hubicka  <jh@suse.cz>
2762
2763         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2764         (cgraph_clone_node): Copy function frequency.
2765         * cgraph.h (node_frequency): New enum
2766         (struct cgraph_node): Add.
2767         * final.c (rest_of_clean_state): Update.
2768         * lto-cgraph.c (lto_output_node): Output node frequency.
2769         (input_overwrite_node): Input node frequency.
2770         * tre-ssa-loop-ivopts (computation_cost): Update.
2771         * lto-streamer-out.c (output_function): Do not output function
2772         frequency.
2773         * predict.c (maybe_hot_frequency_p): Update and handle functions
2774         executed once.
2775         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2776         attribute lookup.
2777         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2778         (compute_function_frequency): Set noreturn functions to be executed
2779         once.
2780         (choose_function_section): Update.
2781         * lto-streamer-in.c (input_function): Do not input function frequency.
2782         * function.c (allocate_struct_function): Do not initialize function
2783         frequency.
2784         * function.h (function_frequency): Remove.
2785         (struct function): Remove function frequency.
2786         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2787         (try_update): Update.
2788         * tree-inline.c (initialize_cfun): Do not update function frequency.
2789         * passes.c (pass_init_dump_file): Update.
2790         * i386.c (ix86_compute_frame_layout): Update.
2791         (ix86_pad_returns): Update.
2792
2793 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2794
2795         PR tree-optimization/43833
2796         * tree-vrp.c (range_int_cst_p): New.
2797         (range_int_cst_singleton_p): New.
2798         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2799         when both operands are constants.  Use range_int_cst_p in
2800         BIT_IOR_EXPR case.
2801
2802 2010-04-26  Jan Hubicka  <jh@suse.cz>
2803
2804         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2805
2806 2010-04-26  Richard Guenther  <rguenther@suse.de>
2807
2808         PR lto/43080
2809         * gimple.c (gimple_decl_printable_name): Deal gracefully
2810         with a NULL DECL_NAME.
2811
2812 2010-04-26  Richard Guenther  <rguenther@suse.de>
2813
2814         PR lto/42425
2815         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2816         if emitting debug information and it is either a function
2817         or a namespace decl.
2818
2819 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2820
2821         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2822         determine if the statement is vectorizable, and a macro to access it.
2823         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2824         Skip statements that can't be vectorized. If the analysis fails,
2825         mark the statement as unvectorizable if vectorizing basic block.
2826         (vect_compute_data_refs_alignment): Likewise.
2827         (vect_verify_datarefs_alignment): Skip statements marked as
2828         unvectorizable. Add print.
2829         (vect_analyze_group_access): Skip statements that can't be
2830         vectorized. If the analysis fails, mark the statement as
2831         unvectorizable if vectorizing basic block.
2832         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2833         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2834         generated stmts for SLP.
2835         (new_stmt_vec_info): Initialize the new field.
2836         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2837         statements marked as unvectorizable.
2838
2839 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2840
2841         * c-common.c (flag_isoc1x): New.
2842         (flag_isoc99): Update comment.
2843         * c-common.h (flag_isoc1x): New.
2844         (flag_isoc99): Update comment.
2845         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2846         __<type>_DECIMAL_DIG__.
2847         * c-opts.c (set_std_c1x): New.
2848         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2849         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2850         * c.opt (-std=c1x, -std=gnu1x): New options.
2851         * doc/cpp.texi: Mention -std=c1x.
2852         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2853         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2854         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2855         * doc/standards.texi: Mention C1X.
2856         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2857         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2858         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2859         Define for C1X.
2860
2861 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2862
2863         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2864         placeholder from 0x%x to %#x.
2865         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2866         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2867         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2868         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2869         * config/i386/i386.c (ix86_target_string): Ditto.
2870         (output_pic_addr_const): Ditto.
2871         (print_operand): Ditto.
2872
2873 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2874
2875         * combine.c (find_split_point): Add third argument.  Use it
2876         to find nested multiply-accumulate instructions.  Adjust calls.
2877         (try_combine): Adjust call to find_split_point.
2878
2879 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2880
2881         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2882
2883 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2884
2885         PR tree-optimization/41442
2886         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2887         (fold_binary_loc): Call it.
2888
2889 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2890
2891         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2892         * opts.c (common_handle_option): Allow disabling it.
2893         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2894
2895 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2896
2897         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2898         between modes if both types are integral.
2899
2900 2010-04-23  Richard Guenther  <rguenther@suse.de>
2901
2902         PR tree-optimization/43572
2903         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2904
2905 2010-04-23  Richard Guenther  <rguenther@suse.de>
2906
2907         PR lto/43455
2908         * tree-inline.c (tree_can_inline_p): Also check compatibility
2909         of return types.
2910
2911 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2912
2913         PR tree-optimization/43846
2914         * tree-sra.c (struct access): New flag grp_assignment_read.
2915         (build_accesses_from_assign): Set grp_assignment_read.
2916         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2917         (enum mark_read_status): New type.
2918         (analyze_access_subtree): Propagate grp_assignment_read, create
2919         accesses also if both direct_read and root->grp_assignment_read.
2920
2921 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2922
2923         PR middle-end/43835
2924         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2925         function does not have type attributes.
2926
2927 2010-04-23  Richard Guenther  <rguenther@suse.de>
2928
2929         PR lto/42653
2930         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2931         of FUNCTION_DECLs.
2932
2933 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2934
2935         * sese.h (create_if_region_on_edge): Remove.
2936
2937         * sese.c (create_if_region_on_edge): Make static.
2938
2939         * tree-inline.c: Do not include ggc.h.
2940
2941         * expr.c: Do not include ggc.h.
2942
2943         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2944         dependencies.
2945
2946 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2947
2948         PR target/43744
2949         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2950         in the middle of insns for casesi_worker_2.
2951
2952 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2953
2954         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2955
2956 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2957
2958         PR tree-optimization/43842
2959         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2960         loop unrolling in update of exit phis. Fix comment.
2961         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2962         least two reduction statements in the loop before starting SLP
2963         analysis.
2964
2965 2010-04-22  Nick Clifton  <nickc@redhat.com>
2966
2967         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2968
2969 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2970
2971         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2972         to simplify a + ~a.
2973
2974 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2975
2976         * tree-parloops.c (loop_parallel_p): New argument
2977         parloop_obstack.  Pass it down.
2978         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2979         pass it down, free it.
2980
2981         * tree-loop-linear.c (linear_transform_loops): Pass down
2982         lambda_obstack.
2983
2984         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2985         of type struct obstack *.
2986
2987         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2988         scratch_obstack.  Initialize it, pass down, free it.
2989
2990         * lambda.h (lambda_loop_new): Remove.
2991         (lambda_matrix_new, lambda_matrix_inverse)
2992         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2993         argument of type struct obstack *.
2994
2995         * lambda-trans.c (lambda_trans_matrix_new): New argument
2996         lambda_obstack.  Pass it down, use obstack allocation for ret.
2997         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2998         it down.
2999
3000         * lambda-mat.c (lambda_matrix_get_column)
3001         (lambda_matrix_project_to_null): Remove.
3002         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
3003         allocation for mat.
3004         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3005         lambda_obstack.
3006
3007         * lambda-code.c (lambda_loop_new): New function.
3008         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3009         (lambda_compute_auxillary_space, lambda_compute_target_space)
3010         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3011         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3012         (build_access_matrix): New argument lambda_obstack.  Use obstack
3013         allocation for am.
3014         (lambda_compute_step_signs, lambda_compute_access_matrices): New
3015         argument lambda_obstack.  Pass it down.
3016
3017 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3018
3019         * optabs.h (expand_widening_mult): Declare.
3020
3021 2010-04-22  Richard Guenther  <rguenther@suse.de>
3022
3023         PR tree-optimization/43845
3024         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3025         lookup the CALL_EXPR function and arguments.
3026
3027 2010-04-22  Nick Clifton  <nickc@redhat.com>
3028
3029         * config/stormy16/stormy16.c
3030         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3031         * config/stormy16/stormy16.h: Tidy up formatting.
3032         (DONT_USE_BUILTIN_SETJMP): Remove definition.
3033         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3034         (ineqbranchsi): Delete pattern.
3035         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3036         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3037         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3038         stormy16-lib2-ucmpsi2.c.
3039
3040 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3041
3042         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3043         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
3044         extra set merge_set_noclobber, and use it to relax the final test
3045         slightly.
3046         * df.h (df_simulate_find_noclobber_defs): Declare.
3047         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3048         conditional defs.
3049         (df_simulate_find_noclobber_defs): New function.
3050
3051 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
3052
3053         * config/i386/i386.md: Use {} around multi-line preparation statements.
3054
3055 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3056
3057         * c-tree.h (push_init_level, pop_init_level, set_init_index)
3058         (process_init_element): New argument of type struct obstack *.
3059
3060         * c-typeck.c (push_init_level, pop_init_level, set_designator)
3061         (set_init_index, set_init_label, set_nonincremental_init)
3062         (set_nonincremental_init_from_string, find_init_member)
3063         (output_init_element, output_pending_init_elements)
3064         (process_init_element): New argument braced_init_obstack.  Pass it
3065         down.
3066         (push_range_stack, add_pending_init): New argument
3067         braced_init_obstack.  Use obstack allocation.
3068
3069         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3070         braced_init_obstack.  Pass it down.
3071         (c_parser_braced_init): New variables ret, braced_init_obstack.
3072         Initialize obstack, pass it down and finally free it.
3073
3074 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3075
3076         PR middle-end/29274
3077         * tree-pass.h (pass_optimize_widening_mul): Declare.
3078         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3079         gate_optimize_widening_mul): New static functions.
3080         (pass_optimize_widening_mul): New.
3081         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3082         <case MULT_EXPR>: Remove support for widening multiplies.
3083         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3084         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3085         simplify_gen_unary rather than directly building extensions.
3086         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3087         WIDEN_MULT_EXPR.
3088         * expmed.c (expand_widening_mult): New function.
3089         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3090
3091 2010-04-21  Jan Hubicka  <jh@suse.cz>
3092
3093         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3094         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3095         * lto-wpa-fixup.c: Remove.
3096         * Makefile.in (lto-wpa-fixup.o): Remove.
3097         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3098         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3099         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3100
3101 2010-04-21  Jan Hubicka  <jh@suse.cz>
3102
3103         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3104         add write_optimization_summary, read_optimization_summary.
3105         (ipa_write_summaries_of_cgraph_node_set): Remove.
3106         (ipa_write_optimization_summaries): Declare.
3107         (ipa_read_optimization_summaries): Declare.
3108         * ipa-cp.c (pass_ipa_cp): Update.
3109         * ipa-reference.c (pass_ipa_reference): Update.
3110         * ipa-pure-const.c (pass_ipa_pure_const): Update.
3111         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3112         Update.
3113         * ipa-inline.c (pass_ipa_inline): Update.
3114         * ipa.c (pass_ipa_whole_program): Update.
3115         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3116         * passes.c (ipa_write_summaries_1): Do not test wpa.
3117         (ipa_write_optimization_summaries_1): New.
3118         (ipa_write_optimization_summaries): New.
3119         (ipa_read_summaries): Do not test ltrans.
3120         (ipa_read_optimization_summaries_1): New.
3121         (ipa_read_optimization_summaries): New.
3122
3123 2010-04-21  Jan Hubicka  <jh@suse.cz>
3124
3125         * lto-cgraph.c (lto_output_node): Do not output comdat groups
3126         for boundary nodes.
3127         (output_cgraph): Do not arrange comdat groups for boundary nodes.
3128
3129 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3130
3131         PR debug/40040
3132         * dwarf2out.c (add_name_and_src_coords_attributes): Add
3133         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3134
3135 2010-04-21  Jan Hubicka  <jh@suse.cz>
3136
3137         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3138
3139 2010-04-21  Jan Hubicka  <jh@suse.cz>
3140
3141         * varpool.c (decide_is_variable_needed): Variable is always needed
3142         during ltrans.
3143
3144 2010-04-21  Jan Hubicka  <jh@suse.cz>
3145
3146         * opts.c (decode_options): Enable pure-const pass for whopr.
3147
3148 2010-04-21  Jan Hubicka  <jh@suse.cz>
3149
3150         * cgraph.c (dump_cgraph_node): Dump also assembler name.
3151         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3152         at WPA dumping.
3153         (cgraph_decide_inlining): Do not expect callee to be removed in all
3154         cases.
3155
3156 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
3157
3158         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3159
3160 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3161
3162         * config/i386/i386.md (x86_shrd): Add athlon_decode and
3163         amdfam10_decode attributes.
3164
3165 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3166
3167         PR middle-end/43570
3168         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3169         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3170         (lower_copyprivate_clauses): Use private var in outer
3171         context instead of original var.  Make sure the types
3172         are correct for VLAs.
3173
3174 2010-04-21  Richard Guenther  <rguenther@suse.de>
3175
3176         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3177         to non-pointer objects.
3178
3179 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3180
3181         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3182         last chain entry if it starts with the still current label.
3183         (add_location_or_const_value_attribute): Check that
3184         loc_list->first->next is NULL instead of comparing ->first with ->last.
3185         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3186         to add_var_loc_to_decl.
3187
3188         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3189         >= 4 add also address size and segment size fields into CIE header.
3190
3191         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3192         long as address size is the same as sizeof (void *) and
3193         segment size is 0.
3194         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3195         address size or segment size is unexpected, return DW_EH_PE_omit.
3196         (classify_object_over_fdes): If get_cie_encoding returned
3197         DW_EH_PE_omit, return -1.
3198         (init_object): If classify_object_over_fdes returned -1,
3199         pretend there were no FDEs at all.
3200
3201 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3202
3203         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3204         bswap{si,di}2 using SWI48 mode iterator.
3205         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3206         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3207         set modrm attribute of bswap insn to 0 and remove length attribute.
3208         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3209         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3210         set mode attribute to <MODE> and remove length attribute.
3211
3212 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3213
3214         PR rtl-optimization/43520
3215         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3216         zero available registers.
3217
3218 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3219
3220         * builtins.c (fold_builtin_cproj): Fold more cases.
3221
3222 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3223
3224         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3225         (fold_builtin_1): Fold builtin cproj.
3226         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3227         Use ATTR_CONST_NOTHROW_LIST.
3228
3229 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3232         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3233         ffsi2_no_cmove for !TARGET_CMOVE.
3234         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3235         (ffssi2): Remove expander.
3236         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3237         mode iterator.
3238         (ctz<mode>2): Ditto from ctz{si,di}2.
3239         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3240         mode iterator.
3241         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3242         mode iterator.
3243
3244 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3245
3246         * dwarf2out.c (AT_linkage_name): Define.
3247         (clone_as_declaration): Handle DW_AT_linkage_name.
3248         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3249         of DW_AT_MIPS_linkage_name.
3250         (move_linkage_attr): Likewise.
3251         (dwarf2out_finish): Likewise.
3252
3253 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3254
3255         PR middle-end/41952
3256         * fold-const.c (fold_comparison): New folding rule.
3257
3258 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3259
3260         * double-int.h (double_int_setbit): Declare.
3261         * double-int.c (double_int_setbit): New function.
3262         * rtl.h (immed_double_int_const): Declare.
3263         * emit-rtl.c (immed_double_int_const): New function.
3264         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3265         and immed_double_int_const functions.
3266         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3267         expand_copysign_bit):  (Ditto.).
3268         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3269         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3270         * dojump.c (prefer_and_bit_test): (Ditto.).
3271         * expr.c (convert_modes, reduce_to_bit_field_precision,
3272         const_vector_from_tree): (Ditto.).
3273         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3274
3275 2010-04-20  Jan Hubicka  <jh@suse.cz>
3276
3277         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3278         (dump_cgraph_node): Dump new flags.
3279         * cgraph.h (struct cgraph_node): Add flags
3280         reachable_from_other_partition and in_other_partition.
3281         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3282         other partition can not be removed.
3283         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3284         the other partition must be output; silence sanity checking on
3285         leaking functions bodies from other paritition.
3286         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3287         (lto_output_node): Output new flags; do not sanity check that inline
3288         clones are output; drop lto_forced_extern_inline_p code; do not mock
3289         visibility flags at partition boundaries.
3290         (add_node_to): New function.
3291         (output_cgraph): Use it to sort functions so masters appear before
3292         clones.
3293         (input_overwrite_node): Input new flags.
3294         * passes.c (ipa_write_summaries): Do not call
3295         lto_new_extern_inline_states.
3296         * lto-section-out.c (forced_extern_inline,
3297         lto_new_extern_inline_states lto_delete_extern_inline_states,
3298         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3299         * lto-streamer.h (lto_new_extern_inline_states,
3300         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3301         lto_forced_extern_inline_p): Kill.
3302
3303 2010-04-20  Richard Guenther  <rguenther@suse.de>
3304
3305         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3306         from vars that can have pointers.
3307         (process_constraint): Dump useless constraints.
3308
3309 2010-04-20  Richard Guenther  <rguenther@suse.de>
3310
3311         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3312         (dump_sa_points_to_info): Remove asserts.
3313         (init_base_vars): nothing_id isn't an escape point nor does it
3314         have pointers.
3315
3316 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3317
3318         * tree.h (TYPE_REF_IS_RVALUE): Define.
3319         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3320         should_move_die_to_comdat, prune_unused_types_walk): Handle
3321         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3322         (modified_type_die, gen_reference_type_die): Emit
3323         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3324         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3325
3326 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3327
3328         PR target/43635
3329         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3330         calls for -fpic -m31 if they have been sibcall optimized.
3331
3332 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3333
3334         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3335         ar.lc fixed and call-used.
3336
3337         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3338
3339 2010-04-19  Jan Hubicka  <jh@suse.cz>
3340
3341         * opts.c (decode_options): Disable whpr incompatible passes.
3342         * lto/lto.c (lto_1_to_1_map): Skip clones.
3343         (read_cgraph_and_symbols): Do not mark everything as needed.
3344         (do_whole_program_analysis): Do map only after optimizing;
3345         set proper cgraph_state; use passmanager.
3346
3347 2010-04-19  DJ Delorie  <dj@redhat.com>
3348
3349         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3350         POINTER_PLUS_EXPR and fix them.
3351
3352 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3353
3354         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3355         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3356         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3357         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3358         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3359         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3360         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3361         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3362         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3363         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3364         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3365
3366 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3367
3368         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3369         (check_cond_move_block): Likewise.
3370         (cond_move_process_if_block): Likewise.
3371         (noce_find_if_block): Improve formatting.
3372         (find_if_header): Pass 0 to memset and tweak conditions.
3373         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3374
3375 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3376
3377         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3378         for -gdwarf-4.
3379
3380         PR middle-end/43337
3381         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3382         with non-local decl doesn't need chain.
3383
3384 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3385
3386         * ira-color.c (allocno_reload_assign): Avoid accumulating
3387         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3388
3389 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3390
3391         * gimple.h (create_tmp_reg): Declare.
3392         * gimplify.c (create_tmp_reg): New function.
3393         (gimplify_return_expr): Use create_tmp_reg.
3394         (gimplify_omp_atomic): Likewise.
3395         (gimple_regimplify_operands): Likewise.
3396         * tree-dfa.c (make_rename_temp): Likewise.
3397         * tree-predcom.c (predcom_tmp_var): Likewise.
3398         (reassociate_to_the_same_stmt): Likewise.
3399         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3400         (get_replaced_param_substitute): Likewise.
3401         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3402         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3403         * tree-ssa-pre.c (get_representative_for): Likewise.
3404         (create_expression_by_pieces): Likewise.
3405         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3406         (create_tailcall_accumulator): Likewise.
3407
3408 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3409
3410         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3411         new_stmt.
3412         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3413
3414 2010-04-19  Richard Guenther  <rguenther@suse.de>
3415
3416         PR tree-optimization/43796
3417         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3418         from SCEV in the lattice.
3419         (vrp_visit_phi_node): Dump change.
3420
3421 2010-04-19  Richard Guenther  <rguenther@suse.de>
3422
3423         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3424         * configure: Re-generated.
3425
3426 2010-04-19  Richard Guenther  <rguenther@suse.de>
3427
3428         PR tree-optimization/43783
3429         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3430         constant ARRAY_REF operands two and three if possible.
3431
3432 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3433
3434         PR target/43766
3435         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3436
3437 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3438
3439         PR target/43662
3440         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3441
3442 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3443
3444         PR tree-optimization/37027
3445         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3446         and macro to access it.
3447         (vectorizable_reduction): Add argument.
3448         (vect_get_slp_defs): Likewise.
3449         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3450         statements for possible use in SLP.
3451         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3452         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3453         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3454         add new argument.
3455         (vectorizable_reduction): Likewise.
3456         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3457         vect_get_slp_defs.
3458         (vectorizable_type_demotion, vectorizable_type_promotion,
3459         vectorizable_store): Likewise.
3460         (vect_analyze_stmt): Update call to vectorizable_reduction.
3461         (vect_transform_stmt): Likewise.
3462         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3463         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3464         from different interleaving chains in same node.
3465         (vect_slp_rearrange_stmts): New function.
3466         (vect_supported_load_permutation_p): Allow load permutations for
3467         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3468         inside SLP nodes if necessary.
3469         (vect_analyze_slp_instance): Handle reductions.
3470         (vect_analyze_slp): Try to build SLP instances originating from groups
3471         of reductions.
3472         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3473         (vect_get_constant_vectors): Create initial vectors for reductions
3474         according to reduction code. Add new argument.
3475         (vect_get_slp_defs): Add new argument, pass it to
3476         vect_get_constant_vectors.
3477         (vect_schedule_slp_instance): Remove SLP tree root statements.
3478
3479 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3480
3481         * tree.h (ENUM_IS_SCOPED): Define.
3482         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3483         for ENUM_IS_SCOPED enums.
3484
3485 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3486
3487         * fold-const.c (fold_comparison): Use ssizetype.
3488         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3489         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3490         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3491         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3492
3493         * tree.h (initialize_sizetypes): Remove parameter.
3494         (build_common_tree_nodes): Remove second parameter.
3495         * stor-layout.c (initialize_sizetypes): Remove parameter.
3496         Always create an unsigned type.
3497         (set_sizetype): Assert that the passed type is unsigned and simplify.
3498         * tree.c (build_common_tree_nodes): Remove second parameter.
3499         Adjust call to initialize_sizetypes.
3500         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3501         build_common_tree_nodes.
3502
3503 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3504
3505         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3506
3507 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3508
3509         PR tree-optimization/43771
3510         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3511         load permutation doesn't have gaps.
3512
3513 2010-04-18  Jan Hubicka  <jh@suse.cz>
3514
3515         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3516         (sse_prologue_save_insn expander): Use new pattern.
3517         (sse_prologue_save_insn1): New pattern and splitter.
3518         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3519         blocks.
3520         * i386.c (setup_incoming_varargs_64): Do not compute jump
3521         destination here.
3522         (ix86_gimplify_va_arg): Update alignment needed.
3523         (ix86_local_alignment): Do not align all local arrays to 128bit.
3524
3525 2010-04-17  Jan Hubicka  <jh@suse.cz>
3526
3527         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3528
3529 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3530
3531         * arm.md (negdi2): Remove redundant code to force values into a
3532         register.
3533
3534 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3535
3536         * arm/bpabi.S: Add EABI alignment attributes to objects.
3537         * arm/bpabi-v6m.S: Likewise.
3538         * arm/crti.asm: Likewise.
3539         * arm/crtn.asm: Likewise.
3540         * arm/lib1funcs.asm: Likewise.
3541         * arm/libunwind.S: Likewise.
3542
3543 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3544
3545         * arm-protos.h (tune_params): New structure.
3546         * arm.c (current_tune): New variable.
3547         (arm_constant_limit): Delete.
3548         (struct processors): Add pointer to the tune parameters.
3549         (arm_slowmul_tune): New tuning option.
3550         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3551         (all_cores): Adjust to pick up the tuning model.
3552         (arm_constant_limit): New function.
3553         (arm_override_options): Select the appropriate tuning model.  Delete
3554         initialization of arm_const_limit.
3555         (arm_split_constant): Use the new constant-limit model.
3556         (arm_rtx_costs): Pick up the current tuning model.
3557         * arm.md (is_strongarm, is_xscale): Delete.
3558         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3559         for Xscale variant architectures.
3560         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3561
3562 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3563
3564         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3565         can_shift.
3566         (arm_rtx_costs_1): Remove unused variable extra_cost.
3567         (arm_unwind_emit_set): Use variable offset.
3568         (thumb1_output_casesi): Remove unused variable flags.
3569
3570 2010-04-16  Jeff Law  <law@redhat.com>
3571
3572         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3573         needing assignment rather than doing a two-phase assignment.  Remove
3574         unused variable 'm'.
3575
3576 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3577
3578         PR bootstrap/43767
3579         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3580
3581 2010-04-16  Doug Kwan  <dougkwan@google.com>
3582
3583         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3584         (next_operand_entry_id): New static variable.
3585         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3586         (add_to_ops_vec): Assigned unique ID to operand entry.
3587         (struct oecount_s): New field ID.
3588         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3589         (undistribute_ops_list): Assign unique IDs to oecounts.
3590         (init_reassoc): reset next_operand_entry_id.
3591
3592 2010-04-16  Doug Kwan  <dougkwan@google.com>
3593
3594         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3595         missing left parenthesis.
3596
3597 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3598
3599         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3600         *btdi_rex64 using SWI48 mode iterator.
3601         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3602         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3603         *jcc_btdi_mask_rex64.
3604
3605 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3606
3607         * double-int.h (tree_to_double_int): Convert to macro.
3608         * double-int.c (tree_to_double_int): Remove.
3609
3610 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3611
3612         PR debug/43762
3613         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3614         with want_address 2 and in case a single element list might be
3615         possible, call it again with want_address 0.
3616
3617 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3618
3619         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3620         case 'W' print operands for HI mode.
3621         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3622         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3623         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3624         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3625
3626         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3627
3628         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3629         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3630         #xx:3 and #xx:4 mode.
3631
3632         * config/h8300/h8300.md (inverted load with HImode dest): Add
3633         support for H8300SX.
3634
3635         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3636         satisfy 'U' constraint.
3637
3638 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3639
3640         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3641         * configure: Regenerate.
3642         * config.in: Regenerate.
3643         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3644         works.
3645
3646 2010-04-16  Richard Guenther  <rguenther@suse.de>
3647
3648         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3649         (struct tree_decl_common): ... here.
3650         (DECL_PT_UID): Adjust.
3651         (SET_DECL_PT_UID): Likewise.
3652         (DECL_PT_UID_SET_P): Likewise.
3653
3654 2010-04-16  Richard Guenther  <rguenther@suse.de>
3655
3656         PR tree-optimization/43572
3657         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3658         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3659         * tree-flow.h (is_call_clobbered): Remove.
3660         * tree-flow-inline.h (is_call_clobbered): Likewise.
3661         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3662         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3663         (execute_return_slot_opt): Adjust.
3664         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3665         check for call clobbered vars here.
3666         (find_tail_calls): Move tailcall verification to the
3667         proper place.
3668
3669 2010-04-16  Diego Novillo  <dnovillo@google.com>
3670
3671         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3672
3673 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3674
3675         PR target/40603
3676         * config/arm/arm.md (cbranchqi4): New pattern.
3677         * config/arm/predicates.md (const0_operand,
3678         cbranchqi4_comparison_operator): New predicates.
3679
3680 2010-04-16  Richard Guenther  <rguenther@suse.de>
3681
3682         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3683         (dump_gimple_stmt): Likewise.
3684
3685 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3686
3687         * recog.h (struct recog_data): New field is_operator.
3688         (struct insn_operand_data): New field is_operator.
3689         * recog.c (extract_insn): Set recog_data.is_operator.
3690         * genoutput.c (output_operand_data): Emit code to set the
3691         is_operator field.
3692         * reload.c (find_reloads): Use it rather than testing for an
3693         empty constraint string.
3694
3695         PR target/41514
3696         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3697         If the previous insn is a cbranchsi4_insn with the same arguments,
3698         omit the compare instruction.
3699
3700         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3701         register, inputs must be low registers and we need a low register
3702         scratch.  Handle alternative 2 like alternative 3.
3703
3704 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3705
3706         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3707         don't call get_addr on both.  If one expression is a VALUE and
3708         the other a REG, check VALUE's locs if the REG isn't among them.
3709
3710 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3711
3712         * config/sh/sh.h (sh_frame_pointer_required): New function.
3713         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3714         (flag_omit_frame_pointer) Set.
3715         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3716         (rounded_frame_size): Adjust size with outgoing_args_size.
3717         (sh_set_return_address): Must return from stack pointer.
3718         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3719         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3720         (ACCUMULATE_OUTGOING_ARGS): Define.
3721         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3722         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3723
3724 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3725
3726         PR target/43471
3727         * config/sh/sh.c (sh_legitimize_reload_address): Use
3728         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3729         Remove a unneeded check for offset_base.
3730
3731 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3732
3733         * configure: Regenerated.
3734
3735 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3736
3737         * config/s390/s390.c (s390_call_save_register_used): Switch back
3738         to HARD_REGNO_NREGS.
3739
3740 2010-04-15  Richard Guenther  <rguenther@suse.de>
3741
3742         * alias.c (alias_set_subset_of): Handle alias-set zero
3743         child properly.
3744
3745 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3746             Julian Brown  <julian@codesourcery.com>
3747
3748         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3749         alternatives according to use of high and low regs.
3750         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3751         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3752         optimizing for size on Thumb-2.
3753
3754 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3755
3756         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3757
3758 2010-04-15  Richard Guenther  <rguenther@suse.de>
3759
3760         * tree-ssa-structalias.c (struct variable_info): Add
3761         is_fn_info flag.
3762         (new_var_info): Initialize it.
3763         (dump_constraints): Support printing last added constraints.
3764         (debug_constraints): Adjust.
3765         (dump_constraint_graph): Likewise.
3766         (make_heapvar_for): Check for NULL cfun.
3767         (get_function_part_constraint): New function.
3768         (get_fi_for_callee): Likewise.
3769         (find_func_aliases): Properly implement IPA PTA constraints.
3770         (process_ipa_clobber): New function.
3771         (find_func_clobbers): Likewise.
3772         (insert_into_field_list_sorted): Remove.
3773         (create_function_info_for): Properly allocate vars for IPA mode.
3774         Do not use insert_into_field_list_sorted.
3775         (create_variable_info_for): Properly generate constraints for
3776         global vars in IPA mode.
3777         (dump_solution_for_var): Always dump the solution.
3778         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3779         (find_what_var_points_to): Adjust.
3780         (pt_solution_set): Change.
3781         (pt_solution_ior_into): New function.
3782         (pt_solution_empty_p): Export.
3783         (pt_solution_includes_global): Adjust.
3784         (pt_solution_includes_1): Likewise.
3785         (pt_solutions_intersect_1): Likewise.
3786         (dump_sa_points_to_info): Check some invariants.
3787         (solve_constraints): Move constraint dumping ...
3788         (compute_points_to_sets): ... here.
3789         (ipa_pta_execute): ... and here.
3790         (compute_may_aliases): Do not re-compute points-to info
3791         locally if IPA info is available.
3792         (ipa_escaped_pt): New global var.
3793         (ipa_pta_execute): Properly implement IPA PTA.
3794         * tree-into-ssa.c (dump_decl_set): Support dumping
3795         decls not in referenced-vars.
3796         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3797         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3798         (dump_points_to_solution): Likewise.
3799         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3800         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3801         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3802         (copy_decl_to_var): Copy DECL_PT_UID.
3803         (copy_result_decl_to_var): Likewise.
3804         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3805         (copy_node_stat): Copy it.
3806         * tree.h (DECL_PT_UID): New macro.
3807         (SET_DECL_PT_UID): Likewise.
3808         (DECL_PT_UID_SET_P): Likewise.
3809         (struct tree_decl_minimal): Add pt_uid member.
3810         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3811         (pt_solution_empty_p): Declare.
3812         (pt_solution_set): Adjust.
3813         (ipa_escaped_pt): Declare.
3814         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3815         * gimple-pretty-print.c (pp_points_to_solution): New function.
3816         (dump_gimple_call): Dump call clobber/use information.
3817         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3818         * tree-pass.h (TDF_ALIAS): New dump option.
3819         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3820         * doc/invoke.texi (-fipa-pta): Update documentation.
3821
3822 2010-04-15  Richard Guenther  <rguenther@suse.de>
3823
3824         * Makefile.in (OBJS-common): Add gimple-fold.o.
3825         (gimple-fold.o): New rule.
3826         * tree.h (maybe_fold_offset_to_reference,
3827         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3828         prototypes ...
3829         * gimple.h: ... here.
3830         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3831         may_propagate_address_into_dereference): Move prototypes ...
3832         * gimple.h: ... here.
3833         * tree-ssa-ccp.c (get_symbol_constant_value,
3834         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3835         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3836         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3837         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3838         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3839         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3840         gimplify_and_update_call_from_tree): Move ...
3841         * gimple-fold.c: ... here.  New file.
3842         (ccp_fold_builtin): Rename to ...
3843         (gimple_fold_builtin): ... this.
3844         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3845
3846 2010-04-15  Richard Guenther  <rguenther@suse.de>
3847
3848         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3849         fit_double_type, force_fit_type_double, add_double_with_sign,
3850         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3851         lrotate_double, rrotate_double, div_and_round_double): Move ...
3852         * double-int.c: ... here.
3853         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3854         add_double, neg_double, mul_double_with_sign, mul_double,
3855         lshift_double, rshift_double, lrotate_double, rrotate_double,
3856         div_and_round_double): Move prototypes ...
3857         * double-int.h: ... here.
3858
3859 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3860
3861         PR target/43742
3862         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3863         matching constraints to ensure inputs match the output.
3864
3865 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3866
3867         PR target/43742
3868         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3869         in an input-only operand.
3870
3871 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3872
3873         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3874         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3875         (double_int_negative_p): Convert to static inline function.
3876         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3877         (double_int_negative_p): Remove.
3878         * tree.h (lshift_double, rshift_double):
3879         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3880         * fold-const.c (fold_convert_const_int_from_real,
3881         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3882         (lshift_double): Change type of arith argument to bool.
3883         (rshift_double): Change type of arith argument to bool. Correct
3884         comment.
3885         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3886
3887 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3888
3889         PR target/21803
3890         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3891         at the start and end of the then/else blocks, and omit them from the
3892         conversion.
3893         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3894         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3895         (flow_find_head_matching_sequence): New function.
3896         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3897         * basic-block.h (flow_find_cross_jump,
3898         flow_find_head_matching_sequence): Declare functions.
3899
3900 2010-04-14  Jason Merrill  <jason@redhat.com>
3901
3902         PR c++/36625
3903         * c-common.c (attribute_takes_identifier_p): New fn.
3904         * c-common.h: Declare it.
3905
3906 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3907
3908         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3909         splitter condition.
3910         (*udivmod<mode>4): Ditto.
3911
3912 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3913
3914         * config/i386/i386.md (maxmin_int): Rename code attribute from
3915         maxminiprefix and update all users.
3916         (maxmin_float): Ditto from maxminfprefix.
3917         (logic): Ditto from logicprefix.
3918         (absneg_mnemonic): Ditto from absnegprefix.
3919         * config/i386/mmx.md: Update all users of maxminiprefix,
3920         maxminfprefix and logicprefix for rename.
3921         * config/i386/sse.md: Ditto.
3922         * config/i386/sync.md (sync_<code><mode>): Update for
3923         logicprefix rename.
3924
3925 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3926
3927         PR 42966
3928         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3929         warnings converted to errors.
3930
3931 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3932
3933         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3934         used insn_type variable.
3935         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3936         to avoid set-but-not-used warning.
3937
3938 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3939
3940         * df-core.c (df_ref_debug): Change format string placeholder
3941         from 0x%x to %#x.
3942         * dwarf2asm.c (dw2_asm_output_data_raw,
3943         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3944         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3945         * dwarf2out.c (output_cfi, output_cfi_directive,
3946         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3947         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3948         Ditto.
3949         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3950         * print-rtl.c (print_rtx): Ditto.
3951
3952 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3953
3954         PR middle-end/42694
3955         * builtins.c (expand_builtin_pow_root): New function to expand pow
3956         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3957         series of sqrt and cbrt calls under -ffast-math.
3958         (expand_builtin_pow): Call it.
3959
3960 2010-04-14  Michael Matz  <matz@suse.de>
3961
3962         PR tree-optimization/42963
3963         * tree-cfg.c (touched_switch_bbs): New static variable.
3964         (group_case_labels_stmt): New function broken out from ...
3965         (group_case_labels): ... here, use the above.
3966         (start_recording_case_labels): Allocate touched_switch_bbs.
3967         (end_recording_case_labels): Deallocate it, call
3968         group_case_labels_stmt.
3969         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3970
3971 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3972
3973         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3974         from insn template.
3975
3976 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3977
3978         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3979
3980 2010-04-13  Jan Hubicka  <jh@suse.cz>
3981
3982         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3983         of optimized out static functions.
3984         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3985         cost computation.  Also sanity check for overflows.
3986         (update_caller_keys): Update cgraph_edge_badness call; properly
3987         update fibheap and sanity check that it is up to date.
3988         (add_new_edges_to_heap): Update cgraph_edge_badness.
3989         (cgraph_decide_inlining_of_small_function): Likewise;
3990         add sanity checking that badness in heap is up to date;
3991         improve dumping of reason; Update badness of calls to the
3992         offline copy of function currently inlined; dump badness
3993         of functions not inlined because of unit growth limits.
3994
3995 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3996
3997         PR middle-end/32628
3998         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3999         because of sign-extension change when converting to sizetype here...
4000         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
4001
4002         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
4003         the folding to constants.  Remove redundant final conversion.
4004         (fold_binary) <associate>: Do not associate if the re-association&nbs