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PR debug/41371
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1 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
2
3         PR debug/41371
4         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
5         rtx_equal_p inline.
6
7 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
8
9         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
10         lto-macho as lto_binary_reader.
11
12         * darwin.c (darwin_asm_named_section): Do not add assembler comment
13         after .section directive; just print it before the directive instead.
14
15 2010-05-17  Jan Hubicka  <jh@suse.cz>
16
17         * cgraph.c (cgraph_create_virtual_clone): Only check
18         versionable_function_p when not in wpa and checking is enabled.
19         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
20         there are no more functions to materialize.
21
22 2010-05-17  Jan Hubicka  <jh@suse.cz>
23
24         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
25         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
26         New functions.
27         (output_cgraph): Call output_cgraph_opt_summary.
28         (input_cgrpah): Call input_cgraph_opt_summary.
29         (output_cgraph_opt_summary_p, output_node_opt_summary,
30         input_node_opt_summary, input_cgraph_opt_section): New functions.
31         * lto-section-in.c (lto_section_name): Add cgraphopt.
32         * tree-inline.c (tree_function_versioning): Handle parm_num.
33         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
34         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
35
36 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
37
38         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
39         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
40         the insn to prefetch ratio heuristic to loops with known trip count.
41
42 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
43
44         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
45         (schedule_prefetches): Do not generate a prefetch if the unroll factor
46         is far from what is required by the prefetch.
47
48 2010-05-17  Jan Hubicka  <jh@suse.cz>
49
50         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
51         (ipcp_estimate_growth): Likewise.
52         (ipcp_const_param_count): Likewise.
53         (ipcp_insert_stage): Likewise.
54         * ipa-prop.c (visit_load_for_mod_analysis): New function.
55         (visit_store_addr_for_mod_analysis): Set used flag.
56         (ipa_detect_param_modifications): Set used flag for SSE params;
57         update use of walk_stmt_load_store_addr_ops.
58         (ipa_print_node_params): Print used flag.
59         (ipa_write_node_info): Stream used flag.
60         (ipa_read_node_info): Likewise.
61         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
62         (ipa_is_param_used): New function.
63         (lto_ipa_fixup_call_notes): Remove unused declaration.
64
65 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
66
67         PR target/44074
68         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
69         * configure: Regenerate.
70         * config.in: Regenerate.
71         * config/i386/i386.c (print_operand) <case ;>: Also print ; if
72         !HAVE_AS_IX86_REP_LOCK_PREFIX.
73         Don't emit whitespace.
74         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
75         (*rep_movsi): Likewise.
76         (*rep_movsi_rex64): Likewise.
77         (*rep_movqi): Likewise.
78         (*rep_movqi_rex64): Likewise.
79         (*rep_stosdi_rex64): Likewise.
80         (*rep_stossi): Likewise.
81         (*rep_stossi_rex64): Likewise.
82         (*rep_stosqi): Likewise.
83         (*rep_stosqi_rex64): Likewise.
84         (*cmpstrnqi_nz_1): Use {%;} after repz.
85         (*cmpstrnqi_nz_rex_1): Likewise.
86         (*cmpstrnqi_1): Likewise.
87         (*cmpstrnqi_rex_1): Likewise.
88         (*strlenqi_1): Use {%;} after repnz.
89         (*strlenqi_rex_1): Likewise.
90         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
91         (*sync_compare_and_swap<mode>): Likewise.
92         (sync_double_compare_and_swap<mode>): Likewise.
93         (*sync_double_compare_and_swapdi_pic): Likewise.
94         (sync_old_add<mode>): Likewise.
95         (sync_add<mode>): Likewise.
96         (sync_sub<mode>): Likewise.
97         (sync_<code><mode>): Likewise.
98
99 2010-05-17  Martin Jambor  <mjambor@suse.cz>
100
101         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
102         otr_token and polymorphic.
103         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
104         (cgraph_clone_edge): Copy the above fields.
105         * tree.c (get_binfo_at_offset): New function.
106         * tree.h (get_binfo_at_offset): Declare.
107         * ipa-prop.h (enum jump_func_type): Added known_type jump function
108         type, reordered items, updated comments.
109         (union jump_func_value): Added base_type field, reordered fields.
110         (enum ipa_lattice_type): Moved down in the file.
111         (struct ipa_param_descriptor): New field polymorphic.
112         (ipa_is_param_polymorphic): New function.
113         * ipa-prop.c: Include gimple.h and gimple-fold.h.
114         (ipa_print_node_jump_functions): Print known type jump functions.
115         (compute_complex_pass_through): Renamed to...
116         (compute_complex_assign_jump_func): this.
117         (compute_complex_ancestor_jump_func): New function.
118         (compute_known_type_jump_func): Likewise.
119         (compute_scalar_jump_functions): Create known type and complex ancestor
120         jump functions.
121         (ipa_note_param_call): New parameter polymorphic, set the corresponding
122         flag in the call note accordingly.
123         (ipa_analyze_call_uses): Renamed to...
124         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
125         variable var only in the block where it is used.
126         (ipa_analyze_virtual_call_uses): New function.
127         (ipa_analyze_call_uses): Likewise.
128         (combine_known_type_and_ancestor_jfs): Likewise.
129         (update_jump_functions_after_inlining): Implemented handling of a
130         number of new jump function types combination.
131         (print_edge_addition_message): Removed.
132         (make_edge_direct_to_target): New function.
133         (try_make_edge_direct_simple_call): Likewise.
134         (try_make_edge_direct_virtual_call): Likewise.
135         (update_call_notes_after_inlining): Renamed to...
136         (update_indirect_edges_after_inlining): this.  Moved edge creation for
137         indirect calls to try_make_edge_direct_simple_call, also calls
138         try_make_edge_direct_virtual_call for virtual calls.
139         (ipa_print_node_params): Changed the header message.
140         (ipa_write_jump_function): Stream also known type jump functions.
141         (ipa_read_jump_function): Likewise.
142         (ipa_write_indirect_edge_info): Stream new fields in
143         cgraph_indirect_call_info.
144         (ipa_read_indirect_edge_info): Likewise.
145         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
146         GIMPLE_FOLD_H.
147
148 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
149
150         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
151
152 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
153
154         * tree.h (CALL_EXPR_ARGS): Delete.
155         (call_expr_arglist): Delete.
156         * tree.c (call_expr_arglist): Delete.
157         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
158         targetm.fold_builtin.
159         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
160         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
161         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
162         arglist parameter.  Use CALL_EXPR_ARG.
163         (picochip_expand_builtin_3op): Likewise.
164         (picochip_expand_builtin_2opvoid): Likewise.
165         (picochip_expand_array_get): Likewise.
166         (picochip_expand_array_put): Likewise.
167         (picochip_expand_array_testport): Likewise.
168         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
169         rather than arglist.
170         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
171         CALL_EXPR_ARGS.
172         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
173         than TREE_VALUE and TREE_CHAIN.
174         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
175         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
176         the arglist.
177
178 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
179
180         PR bootstrap/42347
181         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
182         to have no fallthru edge.
183
184         PR middle-end/44102
185         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
186         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
187         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
188         add BARRIER after previous bb if needed.
189
190 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
191  
192         * tree.c (build_function_type_list_1): Remove bogus assert condition.
193  
194 2010-05-17  Alan Modra  <amodra@gmail.com>
195
196         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
197         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
198         with copy_reg rtx param.
199         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
200         Correct cases where code for ABI_V4 did not initialise the reg
201         used to access frame.  Also leave frame_reg_rtx as sp for large
202         frames that save no regs.
203
204 2010-05-17  Martin Jambor  <mjambor@suse.cz>
205
206         PR middle-end/44133
207         * tree-sra.c (create_access_replacement): New parameter rename, mark
208         the replaement for renaming only when it is true.
209         (get_access_replacement): Pass true in the rename parameter of
210         create_access_replacement.
211         (get_unrenamed_access_replacement): New function.
212         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
213         replacement declaration from it.
214
215 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
216
217         * function.c (try_fit_stack_local, add_frame_space): New static
218         functions.
219         (assign_stack_local_1): Use them.  Look for opportunities to use
220         space previously wasted on alignment.
221         * function.h (struct frame_space): New.
222         (struct rtl_data): Add FRAME_SPACE_LIST member.
223         * reload1.c (something_was_spilled): New static variable.
224         (alter_reg): Set it.
225         (reload): Test it in addition to testing if the frame size changed.
226
227 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
228
229         * config/s390/s390.c: Define sane prefetch settings and activate
230         flag_prefetch_loop_arrays on -O3.
231         * config/s390/s390.h: Declare that read can use write prefetch.
232
233 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
234
235         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
236         build.
237
238 2010-05-16  Jan Hubicka  <jh@suse.cz>
239
240         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
241         function body; do not check stdarg field of struct function.
242
243 2010-05-16  Jan Hubicka  <jh@suse.cz>
244
245         * cgraph.c (dump_cgraph_node): Dump versionable flag.
246         * cgraph.h (cgraph_local_info): Add versionable flag.
247         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
248         (ipcp_versionable_function_p): Use it.
249         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
250         versionable flag.
251
252 2010-05-16  Jan Hubicka  <jh@suse.cz>
253
254         * cgraph.c (cgraph_clone_node): Take decl argument and insert
255         clone into hash when it is different from orig.
256         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
257         * cgraph.h (cgraph_clone_node): Update prototype.
258         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
259         (lto_cgraph_encoder_delete): Delete body map.
260         (lto_cgraph_encoder_size): Move to header.
261         (lto_cgraph_encoder_encode_body_p,
262         lto_set_cgraph_encoder_encode_body): New.
263         (lto_output_node): Do not take written_decls argument; output clone_of
264         pointer.
265         (add_node_to): Add include_body_argument; call
266         lto_set_cgraph_encoder_encode_body on master of the clone.
267         (add_references): Update use of add_node_to.
268         (compute_ltrans_boundary): Likewise.
269         (output_cgraph): Do not create written_decls bitmap.
270         (input_node): Take nodes argument; stream in clone_of correctly.
271         (input_cgraph_1): Update use of input_node.
272         * lto-streamer-out.c (lto_output): Use encoder info to decide
273         what bodies to output.
274         * ipa-inline.c (cgraph_clone_inlined_nodes,
275         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
276         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
277         (lto_cgraph_encoder_size): Define here.
278         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
279         Declare.
280
281 2010-05-16  Richard Guenther  <rguenther@suse.de>
282
283         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
284         -fipa-type-escape.
285         * ipa-type-escape.c (gate_type_escape_vars): Run when
286         -fipa-struct-reorg runs.
287         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
288         * common.opt (fipa-type-escape): Remove.
289
290 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
291
292         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
293         (decode_options): Likewise.
294         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
295
296 2010-05-16  Jan Hubicka  <jh@suse.cz>
297
298         * ipa.c (function_and_variable_visibility): Also bring local all
299         aliases.
300
301 2010-05-16  Richard Guenther  <rguenther@suse.de>
302
303         * alias.c (nonoverlapping_memrefs_p): Remove use of
304         IPA type-escape information.
305
306 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
307
308         * c-common.c (c_common_reswords): Add _Static_assert for C.
309         * c-parser.c (c_token_starts_declaration,
310         c_parser_next_token_starts_declaration,
311         c_parser_static_assert_declaration_no_semi,
312         c_parser_static_assert_declaration): New.
313         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
314         Handle static assertions if static_assert_ok.
315         (c_parser_external_declaration, c_parser_declaration_or_fndef,
316         c_parser_compound_statement_nostart, c_parser_label,
317         c_parser_for_statement, c_parser_objc_methodprotolist,
318         c_parser_omp_for_loop): All callers of
319         c_parser_declaration_or_fndef changed.
320         (c_parser_struct_declaration): Handle static assertions.
321         (c_parser_compound_statement_nostart): Use
322         c_parser_next_token_starts_declaration and
323         c_token_starts_declaration to detect start of declarations.
324         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
325         Likewise.
326
327 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
328
329         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
330         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
331         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
332         TARGET_FUNCTION_VALUE_REGNO_P): Define.
333         (mmix_function_outgoing_value): Rename to...
334         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
335         (mmix_function_value_regno_p): Make static.
336         (mmix_libcall_value): New function.
337         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
338         mmix_function_value_regno_p): Remove declaration.
339
340 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
341
342         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
343         BUILT_IN_ALLOCA if stack checking is enabled.
344
345 2010-05-16  Richard Guenther  <rguenther@suse.de>
346
347         * var-tracking.c (vars_copy_1): Inline ...
348         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
349         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
350         (variable_merge_over_cur): Adjust.  Merge asserts.
351         (variable_merge_over_src): Likewise.
352         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
353         (variable_post_merge_new_vals): Merge asserts.
354         (variable_post_merge_perm_vals): Likewise.
355         (find_mem_expr_in_1pdv): Likewise.
356         (dataflow_set_different_value): Remove.
357         (onepart_variable_different_p): Merge asserts.
358         (variable_different_p): Likewise.
359         (dataflow_set_different_1): Inline ...
360         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
361         (emit_notes_for_differences_1): Merge asserts.
362
363 2010-05-16  Richard Guenther  <rguenther@suse.de>
364
365         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
366         * optabs.c (libfunc_decl_hash): Likewise.
367         * varasm.c (emutls_decl): Likewise.
368
369 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
370
371         * c-decl.c: Don't include gimple.h.
372         (merge_decls): Do not copy gimple_body.
373
374 2010-05-15  Jason Merrill  <jason@redhat.com>
375
376         * c.opt: Add -fnothrow-opt.
377
378 2010-05-15  Jan Hubicka  <jh@suse.cz>
379
380         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
381         analyzed.
382         * passes.c (ipa_write_summaries): Write all analyzed nodes.
383
384 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
385
386         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
387         * Makefile.in: Add it.
388         Fix all other Makefile dependencies for changes below.
389         * tree.h: Include it instead of defining VEC primitives here.
390         * gimple.h: Likewise.
391         * rtl.h: Likewise.
392         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
393         * except.h: Include vecir.h, break dependence on tree.h.
394
395         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
396         Move from here...
397         * tree-iterator.c: ...to here.
398         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
399
400         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
401         tm_p.h.
402         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
403         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
404         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
405         tree-mudflap.h, and target.h.
406         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
407         predict.h, tree-inline.h, gimple.h, and langhooks.h.
408         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
409         Add FIXME for why gimple.h is still included (should be unnecessary
410         since GCC 4.5 gimplification unit-at-a-time).
411         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
412         * c-pragma.c: Add FIXME for why function.h needs to be included just
413         for cfun, at front-end level.
414         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
415         Do not include ggc.h, but include vecprim.h for VEC(char).
416         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
417         Explain why target.h is included.
418         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
419         Explain why gimple.h is included.
420         * c-ppoutput.c: Do not include tm.h.
421         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
422         * c-parses.c: Explain why rtl.h is included, and that this (and only
423         this) is also why tm.h must be included.
424         Do not include except.h.
425         * c-lang.c: Do not include ggc.h.
426
427 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
428
429         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
430
431 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
432
433         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
434         unions by default if those structs and unions have no tags.  Do
435         not condition anonymous struct and unions handling on flag_iso.
436         Allow anonymous structs and unions for C1X.
437         (finish_struct): Do not diagnose lack of named fields when
438         anonymous structs and unions present for C1X.  Accept flexible
439         array members in structure with anonymous structs or unions but no
440         directly named fields.
441         * doc/extend.texi (Unnamed Fields): Update.
442
443 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
444
445         * gimple.h (compare_field_offset): Rename into...
446         (gimple_compare_field_offset): ...this.
447         * gimple.c (compare_field_offset): Rename into...
448         (gimple_compare_field_offset): ...this.  Compare the full access if
449         the offset is self-referential.
450         (gimple_types_compatible_p): Adjust for above renaming.
451         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
452         DECL_NONADDRESSABLE_P flag of fields before merging them.
453
454 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
455
456         * tree.h (ctor_to_list): Delete.
457         * tree.c (ctor_to_list): Delete.
458
459 2010-05-15  Jan Hubicka  <jh@suse.cz>
460
461         * ipa-reference.c: Include toplev.h
462         (is_proper_for_analysis): Only add to all_module_statics
463         if it is allocated.
464         (write_node_summary_p, stream_out_bitmap,
465         ipa_reference_write_optimization_summary,
466         ipa_reference_read_optimization_summary): New.
467         (struct ipa_opt_pass_d pass_ipa_reference): Add
468         optimization summary streaming.
469         * lto-cgraph.c (referenced_from_this_partition_p,
470         reachable_from_this_partition_p): New functions.
471         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
472         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
473         * opts.c (decode_options): Enable ipa_reference.
474         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
475         * lto-streamer.h (referenced_from_this_partition_p,
476         reachable_from_this_partition_p): Declare.
477
478 2010-05-15  Richard Guenther  <rguenther@suse.de>
479
480         PR tree-optimization/44038
481         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
482         taking the address of a V_C_E of a constant.
483
484 2010-05-14  Jan Hubicka  <jh@suse.cz>
485
486         * tree.h (memory_identifier_string): Remove.
487         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
488         (ipa_reference_global_vars_info_d): Remove statics_not_read and
489         statics_not_written.
490         (ipa_reference_optimization_summary_d): New structure.
491         (ipa_reference_optimization_summary_t): New type and vector.
492         (ipa_reference_vars_info_d): Embedd structures instead of using
493         pointers.
494         (reference_vars_to_consider): Remove out of GGC space.
495         (module_statics_escape): Remove.
496         (global_info_obstack): Rename to ...
497         (optimization_summary_obstack): ... this one.
498         (initialization_status_t): Remove.
499         (memory_identifier_string): Remove.
500         (get_reference_vars_info): Fix indenting.
501         (set_reference_vars_info): Likewise.
502         (get_reference_optimization_summary): New.
503         (set_reference_optimization_summary): New.
504         (get_global_reference_vars_info): Remove.
505         (ipa_reference_get_read_global): Remove.
506         (ipa_reference_get_written_global): Remove.
507         (ipa_reference_get_not_read_global): Update.
508         (ipa_reference_get_not_written_global): Update.
509         (is_proper_for_analysis): Outlaw addressable.
510         (propagate_bits): Update for new datastructures.
511         (analyze_variable): Remove.
512         (init_function_info): Update for new datastructures.
513         (clean_function_local_data): Remove.
514         (clean_function): Remove.
515         (copy_global_bitmap): Use optimizations_summary_obstack.
516         (duplicate_node_data): Duplicate optimization summary only.
517         (remove_node_data): Remove optimization summary only.
518         (generate_summary): Do not analyze variables; do not compute
519         module_statics_escape; do not prune solutions by it.
520         (read_write_all_from_decl): Fix typos in comments.
521         (propagate): Doscover readonly and nonaddressable first;
522         update for new datastructures; share global bitmaps.
523         * ipa-reference.h (ipa_reference_get_read_global,
524         ipa_reference_get_written_global): Remove.
525         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
526         * Makefile.in: Remove ipa-refereference from GT files.
527
528 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
529
530         PR debug/44112
531         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
532         for all SYMBOL_REF_DECLs.
533
534 2010-05-14  Jan Hubicka  <jh@suse.cz>
535
536         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
537         (varpool_all_refs_explicit_p): New inline function.
538         * ipa-reference.c: Update comment.
539         (module_statics_written): Remove.
540         (get_static_decl): Remove.
541         (ipa_init): Do not initialize module_statics_written.
542         (analyze_function): Likewise.
543         (generate_summary): Likewise; do not compute module_statics_readonly
544         and do not update variable flags.
545         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
546         * ipa.c: Inlucde flags.h
547         (cgraph_local_node_p): New.
548         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
549         promote functions to local.
550         (ipa_discover_readonly_nonaddressable_vars): New function.
551         (function_and_variable_visibility): Use cgraph_local_node_p.
552         * varpool.c (varpool_finalize_decl): Set force_output for
553         DECL_PRESERVE_P vars.
554
555 2010-05-14  Jan Hubicka  <jh@suse.cz>
556
557         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
558
559 2010-05-14  Richard Guenther  <rguenther@suse.de>
560
561         PR tree-optimization/44119
562         * tree-ssa-pre.c (eliminate): Properly mark replacement of
563         a PHI node necessary.
564
565 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
566
567         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
568
569 2010-05-14  Jason Merrill  <jason@redhat.com>
570
571         PR c++/44127
572         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
573         (gimple_call_set_nothrow): New.
574         * gimple.c (gimple_build_call_from_tree): Call it.
575         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
576
577         PR c++/44127
578         * gimplify.c (gimplify_seq_add_stmt): No longer static.
579         * gimple.h: Declare it.
580         * gimple.c (gimple_build_eh_filter): No ops.
581
582 2010-05-14  Jan Hubicka  <jh@suse.cz>
583
584         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
585         nodes already in queue.
586         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
587         re-enqueueing node.
588
589 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
590
591         PR debug/44136
592         * cfgexpand.c (expand_debug_expr): If non-memory op0
593         has BLKmode, return NULL.
594
595 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
596
597         * config.gcc: Add support for --with-cpu option for bdver1.
598         * config/i386/i386.h (TARGET_BDVER1): New macro.
599         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
600         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
601         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
602         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
603         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
604         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
605         (processor_type): Add PROCESSOR_BDVER1.
606         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
607         processor_type in config/i386/i386.h.
608         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
609         movaps <reg, reg> instead of movapd <reg, reg> when replacing
610         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
611         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
612         to emit packed xor instead of packed double/packed integer
613         xor for SSE and AVX when moving a zero value.
614         * config/i386/sse.md: Add check for
615         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
616         movapd/movdqa for SSE and AVX.
617         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
618         single logical operations i.e and, or and xor instead of packed double
619         logical operations for SSE and AVX.
620         * config/i386/i386-c.c (ix86_target_macros_internal):
621         Add PROCESSOR_BDVER1.
622         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
623         (has_fma4, has_xop): New.
624         * config/i386/i386.c (bdver1_cost): New variable.
625         (m_BDVER1): New macro.
626         (m_AMD_MULTIPLE): Add m_BDVER1.
627         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
628         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
629         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
630         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
631         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
632         x86_tune_sse_partial_reg_dependency,
633         x86_tune_sse_unaligned_load_optimal,
634         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
635         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
636         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
637         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
638         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
639         Enable/disable for bdver1.
640         (processor_target_table): Add bdver1_cost.
641         (cpu_names): Add bdver1.
642         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
643          processor_alias_table.
644         (ix86_expand_vector_move_misalign): Change.
645         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
646         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
647         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
648         of movupd/movdqu for SSE and AVX.
649         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
650         (ix86_tune_adjust_cost): Add code for bdver1.
651         (standard_sse_constant_opcode): Add check for
652         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
653         of packed double xor for SSE and AVX.
654
655 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
656
657         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
658         result to unsigned.
659
660 2010-05-14  Tristan Gingold  <gingold@adacore.com>
661
662         * toplev.c (default_debug_hooks): Remove this variable.
663         (process_options): Remove assignments to default_debug_hooks.
664
665 2010-05-14  Martin Jambor  <mjambor@suse.cz>
666
667         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
668         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
669         * langhooks.h (struct lang_hooks_for_decls): Removed field
670         fold_obj_type_ref.
671         * tree.c (free_lang_data): Remove assignment to
672         lang_hooks.fold_obj_type_ref.
673         * tree.def (OBJ_TYPE_REF): Update comment.
674
675 2010-05-14  Richard Guenther  <rguenther@suse.de>
676
677         PR tree-optimization/44124
678         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
679
680 2010-05-14  Alan Modra  <amodra@gmail.com>
681
682         PR target/44075
683         * config/rs6000/rs6000.c (struct machine_function): Reorder
684         fields for better packing.  Add lr_save_state.
685         (rs6000_ra_ever_killed): Return lr_save_state if set.
686         (rs6000_emit_eh_reg_restore): Set lr_save_state.
687
688 2010-05-13  Jan Hubicka  <jh@suse.cz>
689
690         * varpool.c (decide_is_variable_needed): Drop code checking
691         TREE_SYMBOL_REFERENCED.
692
693 2010-05-13  Jan Hubicka  <jh@suse.cz>
694
695         * final.c (output_addr_const): Do not call mark_decl_referenced.
696         * cgraphunit.c (process_function_and_variable_attributes): Use
697         mark_needed_node dirrectly.
698         (assemble_thunk): Do not call mark_decl_referenced.
699
700 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
701
702         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
703
704 2010-05-13  Jeff Law  <law@redhat.com>
705
706         * ira-conflicts.c (print_allocno_conflicts): New function broken out
707         from...
708         (print_conflicts): Call print_allocno_conflicts.
709
710 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
711
712         PR debug/44104
713         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
714         if it is NULL.
715
716 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
717
718         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
719         t-mingw-w64 or t-mingw-w32 for multilib configuration.
720         * config/i386/t-mingw-w32: New.
721         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
722
723 2010-05-13  Martin Jambor  <mjambor@suse.cz>
724
725         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
726         gimple-fold.c).
727         * gimple-fold.c (get_base_binfo_for_type): New function.
728         (gimple_get_relevant_ref_binfo): Likewise.
729         (gimple_fold_obj_type_ref_known_binfo): Likewise.
730         (gimple_fold_obj_type_ref): Likewise.
731         (fold_gimple_call): Simplify condition for folding virtual calls
732         and call gimple_fold_obj_type_ref.
733         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
734         (gimple_fold_obj_type_ref_known_binfo): Likewise.
735
736 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
737
738         * config/rs6000/rs6000-protos.h
739         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
740         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
741         (rs6000_debug_mode_dependent_address)
742         (rs6000_mode_dependent_address_ptr): Likewise.
743
744 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
745
746         PR debug/43983
747         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
748         by SRA.
749         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
750         * tree-sra.c (create_access_replacement): Call unshare_expr before
751         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
752         * dwarf2out.c: Include tree-flow.h.
753         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
754         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
755         Handle DW_OP_bit_piece.
756         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
757         construct_piece_list, adjust_piece_list): New functions.
758         (add_var_loc_to_decl): Handle SRA optimized variables.
759         Adjust for var_loc_note to loc field renaming.
760         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
761         in VAR_LOCATION note.
762         (new_loc_descr_op_bit_piece): New function.
763         (dw_sra_loc_expr): New function.
764         (dw_loc_list): Use it.  Don't handle the last range after the
765         loop, handle it inside of the loop.  Adjust for var_loc_note
766         to loc field renaming.
767         (add_location_or_const_value_attribute): Only special case
768         single entry loc lists if loc is NOTE_P.  Adjust for
769         var_loc_note to loc field renaming.
770         (dwarf2out_var_location): Don't set newloc->var_loc_note
771         and newloc->next here.
772
773 2010-05-12  Jan Hubicka  <jh@suse.cz>
774
775         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
776         flag.
777         * cgraph.h (cgraph_only_called_directly_p,
778         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
779         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
780         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
781         (assemble
782         * ipa.c (cgraph_remove_unreachable_nodes): Use
783         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
784         flags.
785         * tree-inline.c (copy_bb): Check address_taken flag.
786         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
787         externally_visible flag.
788
789 2010-05-12  Jason Merrill  <jason@redhat.com>
790
791         PR bootstrap/44048
792         PR target/44099
793         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
794         * sdbout.c (plain_type_1): Likewise.
795         * dwarf2out.c (is_base_type): Likewise.
796         (gen_type_die_with_usage): Likewise.  Generate
797         DW_TAG_unspecified_type for any LANG_TYPE.
798
799 2010-05-12  Jan Hubicka  <jh@suse.cz>
800
801         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
802         indrect edges too.
803         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
804         (cgraph_clone_edge): Update.
805         (cgraph_node_remove_callees): Remove indirect calls too.
806         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
807         (cgraph_create_indirect_edge): Update prototype.
808         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
809         is_proper_for_analysis.
810         (add_new_function, visited_nodes, function_insertion_hook_holder,
811         get_local_reference_vars_info, mark_address_taken, mark_address,
812         mark_load, mark_store, check_asm_memory_clobber, check_call,
813         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
814         (ipa_init): Do not initialize visited_nodes;
815         function_insertion_hook_holder.
816         (analyze_variable): Rewrite.
817         (analyze_function): Rewrite.
818         (copy_local_bitmap): Remove.
819         (duplicate_node_dat): Do not duplicate local info.
820         (generate_summary): Simplify to only walk cgraph.
821         (write_node_summary_p, ipa_reference_write_summary,
822         ipa_reference_read_summary): Remove.
823         (propagate): Do not remove function insertion;
824         generate summary.
825         (pass_ipa_reference): NULLify summary handling fields.
826         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
827         (input_edge): Input ecf_flags.
828         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
829         (update_indirect_edges_after_inlining): Ignore edges with unknown
830         param.
831
832 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
833
834         * implicit-zee.c: New file.
835         * tree-pass.h (pass_implicit_zee): Declare.
836         * passes.c (init_optimization_passes): Add zee pass.
837         * common.opt (fzee): New flag.
838         * timevar.def (TV_ZEE): Define.
839         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
840         and beyond.
841         * Makefile.in (implicit-zee.o): Add new build file.
842
843 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
844             Nathan Froyd  <froydnj@codesourcery.com>
845
846         * c-common.c (sync_resolve_params): Remove write-only variable.
847
848 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
849
850         * target.h (struct gcc_target): Add mode_dependent_address_p field.
851         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
852         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
853         * targhooks.c (default_mode_dependent_address_p): New function.
854         * targhooks.h (default_mode_dependent_address_p): Declare function.
855         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
856         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
857         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
858         target hook. Change return type to bool.
859         * recog.h: (mode_dependent_address_p): Change return type to bool.
860
861 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
862             Nathan Froyd  <froydnj@codesourcery.com>
863
864         * tree-mudflap.c (build_function_type_0, build_function_type_1,
865         build_function_type_2, build_function_type_3): Remove.
866         (mudflap_init): Use build_function_type_list.
867
868 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
869             Nathan Froyd  <froydnj@codesourcery.com>
870
871         * coverage.c (build_fn_info_value): Call build_constructor instead of
872         build_constructor_from_list.
873         (build_ctr_info_value): Likewise.
874         (build_gcov_info): Likewise.
875
876 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
877
878         * tree.c (build_constructor): Compute TREE_CONSTANT for the
879         resultant constructor.
880         (build_constructor_single): Don't set TREE_CONSTANT.
881         (build_constructor_from_list): Don't compute TREE_CONSTANT.
882
883 2010-05-12  Jan Hubicka  <jh@suse.cz>
884
885         * cgraph.h (struct varpool_node): Add aux.
886         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
887         * varpool.c (varpool_remove_node): Do not remove initializer.
888         (varpool_reset_queue): Export.
889         (varpool_finalize_decl): Volatile vars are forced to be output.
890         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
891         replaced decl.
892         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
893         process_references, varpool_can_remove_if_no_refs): New functions.
894         (cgraph_remove_unreachable_nodes): Handle variables too.
895
896 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
897
898         PR target/44088
899         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
900
901 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
902
903         PR middle-end/44085
904         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
905         change value of ORT_TASK.
906         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
907         (omp_notice_threadprivate_variable): New function.
908         (omp_notice_variable): Call it for threadprivate variables.
909         If enclosing ctx is a task, print enclosing task rather than
910         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
911         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
912         if task has untied clause.
913
914         PR debug/42278
915         * dwarf2out.c (base_type_die): Don't add name attribute here.
916         (modified_type_die): Instead of sizetype use
917         its underlying original type.  If a DW_TAG_base_type doesn't
918         have name added, add __unknown__.
919         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
920         always call force_type_die instead.
921
922 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
923
924         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
925         for __stack_chk_guard.
926
927 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
928
929         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
930         don't call start_source_file debug hook here...
931         (finish_options): ... but here, after outputting predefined and
932         command line defines and undefs.
933
934         PR middle-end/44071
935         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
936         no fallthru edge.
937         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
938         optimizing away empty bb with no successors, move over its
939         footer chain to fallthru predecessor.
940         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
941         (rtl_split_edge): For asm goto call patch_jump_insn even if
942         splitting fallthru edge.
943
944         PR c++/44059
945         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
946         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
947         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
948         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
949         on DW.ref.* decls.
950
951         PR c++/44062
952         * c-parser.c (c_parser_expression): Mark LHS of a comma
953         expression as read if it is a decl, handled component or
954         COMPOUND_EXPR with that on the RHS.
955         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
956         if it is a decl or handled component.
957
958 2010-05-11  Jan Hubicka  <jh@suse.cz>
959
960         * lto-symtab.c (lto_symtab_free): New function.
961         * lto-streamer.h (lto_symtab_free): Declare.
962
963 2010-05-11  Jan Hubicka  <jh@suse.cz>
964
965         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
966         that if function is needed it is reachable.
967         (lto_output_node): See if it the function is reachable or referenced.
968         (output_cgraph): Update call of lto_output_node.
969         * lto-streamer.h (reachable_from_other_partition_p): Declare.
970
971 2010-05-11  Jan Hubicka  <jh@suse.cz>
972
973         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
974         Mark as used.
975
976 2010-05-11  Jan Hubicka  <jh@suse.cz>
977
978         PR tree-optimize/44063
979         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
980         queue.
981         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
982         limits.
983         (estimate_function_body_sizes): Compute sizes even when disregarding.
984
985 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
986
987         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
988
989 2010-05-11  Jan Hubicka  <jh@suse.cz>
990
991         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
992         into every boundary.
993
994 2010-05-11  Jan Hubicka  <jh@suse.cz>
995
996         * matrix-reorg.c (matrix_reorg): Rebuild edges.
997
998 2010-05-11  Jan Hubicka  <jh@suse.cz>
999
1000         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1001         lto_streamer_cache_delete): Put nodes into heap.
1002         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1003         heap.
1004
1005 2010-05-11  Jan Hubicka  <jh@suse.cz>
1006
1007         * cgraphbuild.c (cgraph_rebuild_references): New.
1008         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1009         out extern inlines.
1010         * cgraph.h (cgraph_rebuild_references): Declare.
1011         * tree-inline.c (tree_function_versioning): Use it.
1012         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1013
1014 2010-05-11  Jan Hubicka  <jh@suse.cz>
1015
1016         * cgraph.c: Include ipa-utils.h
1017         (cgraph_create_virtual_clone): Update references.
1018         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1019
1020 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1021
1022         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1023         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1024         cache size.
1025
1026 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1027
1028         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1029
1030 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1031
1032         * gcc.c (execute): For -### don't quote arguments that
1033         contain just alphanumerics and _/-. characters.
1034         * doc/invoke.texi: Document that change for -###.
1035
1036         PR debug/44023
1037         * df-problems.c (struct dead_debug): Add to_rescan field.
1038         (dead_debug_init): Clear to_rescan field.
1039         (dead_debug_finish): Rescan all debug insns in to_rescan
1040         bitmap and free the bitmap.
1041         (dead_debug_insert_before): Instead of rescanning debug insns
1042         immediately queue their rescanning until dead_debug_finish.
1043         (df_note_bb_compute): After dead_debug_add do continue instead
1044         of break.
1045
1046 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR debug/44028
1049         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1050         clear also INSN_REG_USE_LIST.
1051
1052 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1053
1054         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1055
1056 2010-05-10  Jan Hubicka  <jh@suse.cz>
1057
1058         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1059         commited change.
1060
1061 2010-05-10  Jan Hubicka  <jh@suse.cz>
1062
1063         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1064         Allocate encoders.
1065         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1066         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1067         (lto_streamer_cache_create): Init alloc pool.
1068         (lto_streamer_cache_delete): Free alloc pool.
1069         * lto-streamer.h: Include alloc pool.
1070         (lto_streamer_cache_d): Use alloc pool.
1071         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1072
1073 2010-05-10  Jan Hubicka  <jh@suse.cz>
1074
1075         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1076         * cgraphbuild.c: Include except.h
1077         (record_type_list, record_eh_tables): New function.
1078         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1079
1080 2010-05-10  Jan Hubicka  <jh@suse.cz>
1081
1082         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1083         __frame_dummy_init_array_entry, force_to_data): Attribute as used
1084         rather than unused.
1085
1086 2010-05-10  Michael Matz  <matz@suse.de>
1087
1088         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1089         (can_reassociate_p): Use FLOAT_TYPE_P.
1090         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1091         (vect_force_simple_reduction): ... this.
1092         * tree-parloops.c (gather_scalar_reductions): Use
1093         vect_force_simple_reduction.
1094         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1095         vect_is_simple_reduction, add modify argument, if true rewrite
1096         "a-b" into "a+(-b)".
1097         (vect_is_simple_reduction, vect_force_simple_reduction): New
1098         functions.
1099         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1100
1101 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1102             Vladimir Makarov  <vmakarov@redhat.com>
1103
1104         PR rtl-optimization/44012
1105         * ira-build.c (remove_unnecessary_allocnos): Nullify
1106         regno_allocno_map of the removed allocno.
1107
1108 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1109
1110         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1111         to /dev/null.
1112         * configure: Regenerate.
1113
1114 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1115
1116         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1117         unused.
1118         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1119         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1120         support in Sun ld.
1121         * configure: Regenerate.
1122
1123 2010-05-10  Richard Guenther  <rguenther@suse.de>
1124
1125         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1126         marked if the entry identifier is marked.
1127
1128 2010-05-10  Richard Guenther  <rguenther@suse.de>
1129
1130         * c-common.c (struct c_common_attributes): Add fnspec attribute.
1131         (handle_fnspec_attribute): New function.
1132         * gimple.h (gimple_call_return_flags): Declare.
1133         (gimple_call_arg_flags): Likewise.
1134         * gimple.c (gimple_call_arg_flags): New function.
1135         (gimple_call_return_flags): Likewise.
1136         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1137         New argument flags.
1138         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1139         return value flags.
1140         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1141         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1142         main work to ...
1143         (make_heapvar_for): ... this new function.
1144         (handle_rhs_call): Handle fnspec attribute argument specifiers.
1145         (handle_lhs_call): Likewise.
1146         (find_func_aliases): Adjust.
1147
1148 2010-05-10  Richard Guenther  <rguenther@suse.de>
1149
1150         PR tree-optimization/44050
1151         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1152
1153 2010-05-10  Wei Guozhi  <carrot@google.com>
1154
1155         PR target/42879
1156         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1157
1158 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1159
1160         PR c/10676
1161         * c-typeck.c (lookup_field): Take a type directly.  Update
1162         recursive calls.
1163         (build_component_ref): Update call to lookup_field.
1164         (set_init_label): Use lookup_field to find initialized field.
1165         Handle returned list of fields like a sequence of designators.
1166
1167 2010-05-09  Richard Guenther  <rguenther@suse.de>
1168
1169         PR middle-end/44024
1170         * fold-const.c (tree_single_nonzero_warnv_p): Properly
1171         handle &FUNCTION_DECL.
1172
1173 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1174
1175         PR c/4784
1176         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
1177         structures and unions recursively.
1178         (detect_field_duplicates): Move duplicate detection with a hash to
1179         detect_field_duplicates_hash.  Always use a hash if anonymous
1180         structures or unions are present.
1181         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1182         give errors.
1183
1184 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         PR target/44046
1187         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1188         detect Atom, Core 2 and Core i7.
1189
1190 2010-05-09  Richard Guenther  <rguenther@suse.de>
1191
1192         * gcc.c (store_arg): Handle temporary file deletion for
1193         joined arguments.
1194
1195 2010-05-09  Richard Guenther  <rguenther@suse.de>
1196
1197         PR middle-end/44043
1198         * ipa-inline.c (estimate_function_body_sizes): Return after
1199         disregarding inline limits.
1200
1201 2010-05-09  Richard Guenther  <rguenther@suse.de>
1202
1203         * gcc.c (store_arg): Revert last change.
1204
1205 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1206
1207         PR middle-end/28685
1208         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1209         (optimize_ops_list): Call it.
1210
1211 2010-05-08  Richard Guenther  <rguenther@suse.de>
1212
1213         PR tree-optimization/44030
1214         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1215         NECESSARY flag if we propagate from a inserted expression.
1216
1217 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1218
1219         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1220         domain types as equal if they are both PLACEHOLDER_EXPRs.
1221
1222 2010-05-08  Richard Guenther  <rguenther@suse.de>
1223
1224         * lto-wrapper.c (run_gcc): Remove linker output from
1225         command line for LTRANS invocation.
1226
1227 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1228
1229         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1230         lto-macho as lto_binary_reader.
1231         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1232         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1233         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1234         in lto_start and lto_end calls.
1235         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1236         magic numbers.
1237         (scan_prog_file): Update is_elf_or_coff call.
1238         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1239
1240         * collect2.c (main): Fix enum comparison.
1241
1242         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1243         Add prototypes.
1244         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1245         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1246         and TARGET_ASM_LTO_END.
1247         * darwin.c: Include obstack.h and lto-streamer.h.
1248         (lto_section_names_offset, lto_section_names_obstack,
1249         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1250         global variables.
1251         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1252         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1253         to a temporary file.
1254         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1255         (darwin_asm_named_section): For LTO sections, replace the name with
1256         the offset of the section name in a string table, and build this
1257         table.
1258         (darwin_file_start): Initialize global vars for LTO support.
1259         (darwin_file_end): If output to asm_out_file was redirected, append it
1260         to the proper asm_out_file here.  Add the section names section.
1261
1262 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1263
1264         * c-pragma.c (pending_weak_d, pending_weak): New.
1265         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1266         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1267         handle_pragma_weak): Update the uses of pending_weaks.
1268
1269 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1270
1271         PR documentation/44016
1272         * doc/standards.texi (Standards): Link to unversioned
1273         cxx0x_status.html page.
1274
1275 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1276
1277         PR target/43708
1278         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1279         in addition to TREE_USED, to avoid "set but unused" warnings.
1280
1281 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1282
1283         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1284         (is_loop_prefetching_profitable): Do not insert prefetches
1285         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1286         times the prefetch ahead distance.
1287
1288 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1289
1290         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1291         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1292         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1293         the unroll_factor.
1294
1295 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1296
1297         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1298         a diagnostic info when the insn-to-mem ratio is too small.
1299
1300 2010-05-07  Richard Guenther <rguenther@suse.de>
1301
1302         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1303         the linker plugin.
1304         (store_arg): Queue temp_filename for deletion instead of
1305         the whole argument.
1306
1307 2010-05-07  Richard Guenther  <rguenther@suse.de>
1308
1309         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1310         (run_gcc): Handle LTRANS phase invocation.
1311         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1312
1313 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1314
1315         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1316         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1317
1318 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1319
1320         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1321
1322 2010-05-07  Richard Guenther  <rguenther@suse.de>
1323
1324         PR tree-optimization/44020
1325         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1326         code when PRE is not yet initialized.
1327
1328 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1329
1330         * config/mips/dbxmdebug.h: Remove.
1331         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1332
1333 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1334
1335         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1336         with null pointer and also warn about ordered comparison of zero with
1337         pointer if -Wextra.
1338
1339 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1340
1341         * graphite-blocking.c
1342         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1343         * graphite-clast-to-gimple.c
1344         (clast_to_gcc_expression): Same.
1345         (precision_for_value): Same.
1346         (precision_for_interval): Same.
1347         (gcc_type_for_interval): Same.
1348         (graphite_create_new_guard): Same.
1349         (compute_bounds_for_level): Same.
1350         (graphite_create_new_loop_guard): Same.
1351         * graphite-interchange.c
1352         (build_linearized_memory_access): Same.
1353         (pdr_stride_in_loop): Same.
1354         (memory_strides_in_loop_1): Same.
1355         (memory_strides_in_loop): Same.
1356         (extend_scattering): Same.
1357         (psct_scattering_dim_for_loop_depth): Same.
1358         (pbb_number_of_iterations): Same.
1359         * graphite-poly.h
1360         (debug_iteration_domains): Same.
1361         * graphite-ppl.c
1362         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1363         (ppl_set_inhomogeneous_gmp): Same.
1364         (ppl_strip_loop): Same.
1365         (ppl_lexico_compare_linear_expressions): Same.
1366         (ppl_read_polyhedron_matrix): Same.
1367         (ppl_max_for_le_pointset): Same.
1368         * graphite-ppl.h
1369         (ppl_read_polyhedron_matrix): Same.
1370         (tree_int_to_gmp): Same.
1371         (gmp_cst_to_tree): Same.
1372         (ppl_set_inhomogeneous): Same.
1373         (ppl_set_inhomogeneous_tree): Same.
1374         (ppl_set_coef): Same.
1375         (ppl_set_coef_tree): Same.
1376         * graphite-sese-to-poly.c
1377         (build_pbb_scattering_polyhedrons): Same.
1378         (build_scop_scattering): Same.
1379         (scan_tree_for_params_right_scev): Same.
1380         (scan_tree_for_params): Same.
1381         (find_params_in_bb): Same.
1382         (find_scop_parameters): Same.
1383         (add_upper_bounds_from_estimated_nit): Same.
1384         (build_loop_iteration_domains): Same.
1385         (add_condition_to_domain): Same.
1386         (pdr_add_memory_accesses): Same.
1387
1388 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1389
1390         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1391         CLooG's value_* macros to their respective mpz_* counterparts.
1392         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1393         (graphite_create_new_loop_guard): Same.
1394         * graphite-interchange.c (build_linearized_memory_access): Same.
1395         (pdr_stride_in_loop): Same.
1396         (memory_strides_in_loop_1): Same.
1397         (1st_interchange_profitable_p): Same.
1398         * graphite-poly.c (extend_scattering): Same.
1399         (psct_scattering_dim_for_loop_depth): Same.
1400         (pbb_number_of_iterations): Same.
1401         (pbb_number_of_iterations_at_time): Same.
1402         * graphite-poly.h (new_1st_loop): Same.
1403         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1404         (oppose_constraint): Same.
1405         (insert_constraint_into_matrix): Same.
1406         (ppl_set_inhomogeneous_gmp): Same.
1407         (ppl_set_coef_gmp): Same.
1408         (ppl_strip_loop): Same.
1409         (ppl_lexico_compare_linear_expressions): Same.
1410         (ppl_max_for_le_pointset): Same.
1411         (ppl_min_for_le_pointset): Same.
1412         (ppl_build_realtion): Same.
1413         * graphite-ppl.h (gmp_cst_to_tree): Same.
1414         (ppl_set_inhomogeneous): Same.
1415         (ppl_set_inhomogeneous_tree): Same.
1416         (ppl_set_coef): Same.
1417         (ppl_set_coef_tree): Same.
1418         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1419         (build_scop_scattering): Same.
1420         (add_value_to_dim): Same.
1421         (scan_tree_for_params_right_scev): Same.
1422         (scan_tree_for_params_int): Same.
1423         (scan_tree_for_params): Same.
1424         (find_params_in_bb): Same.
1425         (find_scop_parameters): Same.
1426         (add_upper_bounds_from_estimated_nit): Same.
1427         (build_loop_iteration_domains): Same.
1428         (create_linear_expr_from_tree): Same.
1429         (add_condition_to_domain): Same.
1430         (pdr_add_memory_accesses): Same.
1431
1432 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1433             Jason Merrill  <jason@redhat.com>
1434
1435         * c-common.c (c_common_reswords): Add nullptr.
1436         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1437         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1438         (gen_type_die_with_usage): Likewise.
1439         * dbxout.c (dbxout_type): Likewise.
1440         * sdbout.c (plain_type_1): Likewise.
1441
1442 2010-05-06  Jason Merrill  <jason@redhat.com>
1443
1444         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1445         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1446         ret appropriately.
1447         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1448
1449         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1450         stripping WITH_SIZE_EXPR.
1451         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1452         change.
1453
1454 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1455
1456         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1457         list of obsolete configurations.
1458         Disabled check for obsolete configurations.
1459         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1460         Removed support for previous versions.
1461         * config/mips/iris.h: Removed.
1462         * config/mips/iris5.h: Removed.
1463         * config/mips/iris6.h: Merged old iris.h contents.
1464         (TARGET_IRIX): Removed.
1465         (DRIVER_SELF_SPECS): Removed mabi=32.
1466         (IDENT_ASM_OP): Removed undef.
1467         (STARTFILE_SPEC): Removed mabi=32.
1468         (ENDFILE_SPEC): Likewise.
1469         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1470         (MACHINE_TYPE): Update for IRIX 6.5.
1471         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1472         TARGET_IRIX by TARGET_IRIX6.
1473         (mips_file_start): Likewise.
1474         (mips_output_external): Remove IRIX 5/6 O32 support.
1475         (mips_output_function_prologue): Likewise.
1476         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1477         TARGET_IRIX6.
1478         (TARGET_CPU_CPP_BUILTINS): Likewise.
1479         (TARGET_IRIX): Removed.
1480         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1481         (MULTILIB_DIRNAMES): Removed 32.
1482         (MULTILIB_OSDIRNAMES): Removed ../lib.
1483         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1484         (Specific, mips-sgi-irix5): Document removal.
1485         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1486         Remove references to older IRIX 6 releases and the O32 ABI.
1487
1488 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1489
1490         PR bootstrap/43994
1491         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1492         instead of DF_REF_REAL_REG.
1493
1494 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1495
1496         PR target/43888
1497         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1498         handling to still return true for x64 targets.
1499
1500 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1501
1502         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1503
1504 2010-05-06  Jan Hubicka  <jh@suse.cz>
1505
1506         PR tree-optimization/43791
1507         * ipa-inline.c (update_caller_keys): Remove bogus
1508         disregard_inline_limits check.
1509
1510 2010-05-06  Michael Matz  <matz@suse.de>
1511
1512         PR tree-optimization/43984
1513         * tree-ssa-pre.c (inserted_phi_names): Remove.
1514         (inserted_exprs): Change to bitmap.
1515         (create_expression_by_pieces): Set bits, don't append to vector.
1516         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1517         (eliminate): Don't look at inserted_phi_names, remove deleted
1518         insns from inserted_exprs.
1519         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1520         (init_pre, fini_pre): Allocate and free bitmaps.
1521         (execute_pre): Insert insns on edges before elimination.
1522
1523 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1524
1525         * tree.c (initializer_zerop): Handle STRING_CST.
1526
1527 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1528
1529         PR 40989
1530         * doc/invoke.texi (Wimplicit): Document as C only.
1531         * opts.c (common_handle_option): Add argument kind.
1532         (handle_option): Rename as read_cmdline_option. Factor out code to...
1533         (handle_option): ... here. New.
1534         (handle_options): Rename as read_cmdline_options.
1535         (decode_options): Update call.
1536         (set_option): Use option index instead of option pointer. Classify
1537         diagnostics correctly.
1538         (enable_warning_as_error): Call handle_option.
1539         * opts.h (set_option): Update declaration.
1540         (handle_option): Declare.
1541         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1542         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1543         * c-opts.c (set_Wimplicit): Delete.
1544         (c_family_lang_mask): New static constant.
1545         (c_common_handle_option): Add argument kind. Use handle_option
1546         instead of set_Wimplicit.
1547         (c_common_post_options): warn_implicit and warn_implicit_int
1548         are disabled by default.
1549         * c-common.c (warn_implicit): Do not define here.
1550         * c-common.h (warn_implicit): Do not declare here.
1551         (c_common_handle_option): Update declaration.
1552         * lto-opts.c (lto_reissue_options): Update call to set_option.
1553
1554 2010-05-06  Richard Guenther  <rguenther@suse.de>
1555
1556         PR tree-optimization/43571
1557         * domwalk.c (walk_dominator_tree): Walk the dominator
1558         sons in more optimal order.
1559
1560 2010-05-06  Richard Guenther  <rguenther@suse.de>
1561
1562         PR tree-optimization/43934
1563         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1564         (stmt_cost): Likewise.
1565         (extract_true_false_args_from_phi): New helper.
1566         (determine_max_movement): For PHI nodes verify we can hoist them
1567         and compute their cost.
1568         (determine_invariantness_stmt): Handle PHI nodes.
1569         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1570         if-converted form using COND_EXPRs.
1571         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1572         (tree_ssa_lim): Likewise.
1573         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1574         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1575
1576 2010-05-06  Richard Guenther  <rguenther@suse.de>
1577
1578         PR tree-optimization/43987
1579         * tree-ssa-structalias.c (could_have_pointers): For possibly
1580         address-taken variables force pointers to be recorded.
1581         (create_variable_info_for_1): Likewise.
1582         (push_fields_onto_fieldstack): Pass in wheter all fields
1583         must have pointers.
1584         (find_func_aliases): Query types instead of vars whether
1585         they contain pointers where appropriate.
1586
1587 2010-05-06  Jan Hubicka  <jh@suse.cz>
1588
1589         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1590         (record_reference, mark_address, mark_load, mark_store): Record
1591         references.
1592         (record_references_in_initializer): Update call of record_references.
1593         (rebuild_cgraph_edges): Remove all references before rebuiding.
1594         * cgraph.c (cgraph_create_node): Clear ref list.
1595         (cgraph_remove_node): Remove references.
1596         (dump_cgraph_node): Dump references.
1597         (cgraph_clone_node): Clone references.
1598         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1599         (struct cgraph_node, varpool_node): Add ref_lst.
1600         * ipa-ref.c: New file.
1601         * ipa-ref.h: New file.
1602         * ipa-ref-inline.h: New file.
1603         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1604         (referenced_from_other_partition_p): New function.
1605         (lto_output_varpool_node): Take set arugment; call
1606         referenced_from_other_partition.
1607         (lto_output_ref): New.
1608         (add_references): New.
1609         (output_refs): New.
1610         (output_cgraph): Compute boundary based on references; output refs.
1611         (output_varpool): Accept cgraph_node_set argument.
1612         (input_ref): New.
1613         (input_refs): New.
1614         (input_cgraph): Call input_refs.
1615         * lto-section-in.c (lto_section_name): Add refs.
1616         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1617         (ipa-ref.o): New file.
1618         * varpool.c (varpool_node): Clear ipa ref list.
1619         (varpool_remove_node): Remove references.
1620         (dump_varpool_node): Dump references.
1621         (varpool_assemble_decl): Only compile finalized ones.
1622         (varpool_extra_name_alias): Initialize ref list.
1623         * lto-streamer.c (lto-get_section_name): Add .refs section.
1624         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1625         (referenced_from_other_partition_p): Declared.
1626
1627 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1628
1629         PR tree-optimization/43901
1630         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1631         type is not NULL if it's transformation phase, and return
1632         FALSE if it's analysis.
1633         (vectorizable_conversion, vectorizable_operation,
1634         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1635
1636 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1637
1638         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1639         Delete.
1640         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1641         New define.
1642         * config/mips/mips-protos.h
1643         (mips_small_register_classes_for_mode_p): Delete prototype.
1644
1645 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1646
1647         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1648         * config/arm/arm.c (multiple_operation_profitable_p,
1649         compute_offset_order): New static functions.
1650         (load_multiple_sequence, store_multiple_sequence): Use them.
1651         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1652         memory offsets, not register numbers.
1653         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1654
1655 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1656
1657         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1658         (get_pending_sizes, put_pending_size, put_pending_sizes):
1659         Update the uses of pending_sizes.
1660         * c-decl.c (store_parm_decls): Likewise.
1661         * c-tree.h (struct c_arg_info): Likewise.
1662         * tree.h: Update the prototype for get_pending_sizes and
1663         put_pending_sizes.
1664
1665 2010-05-05  Jason Merrill  <jason@redhat.com>
1666
1667         PR debug/43370
1668         * c-common.c (handle_aligned_attribute): Respect
1669         ATTR_FLAG_TYPE_IN_PLACE.
1670
1671         PR testsuite/43758
1672         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1673         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1674         (TARGET_INITIALIZER): Use it.
1675         * c-common.c (attribute_takes_identifier_p): Call it.
1676         * c-common.h: Update prototype.
1677         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1678         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1679
1680 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1681
1682         PR debug/43950
1683         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1684         DW_ID_down_case for Fortran compilation units.
1685
1686 2010-05-05  Jan Hubicka  <jh@suse.cz>
1687
1688         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1689         handle aliases.
1690
1691 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1692
1693         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1694         a variable-sized RESULT_DECL.
1695
1696 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1697
1698         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1699
1700 2010-05-05  Jason Merrill  <jason@redhat.com>
1701
1702         PR c++/43787
1703         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1704         returns GS_OK.
1705         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1706
1707 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1708             Jakub Jelinek  <jakub@redhat.com>
1709
1710         PR debug/43478
1711         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1712         (dead_debug_init, dead_debug_finish): New functions.
1713         (dead_debug_add, dead_debug_insert_before): Likewise.
1714         (df_note_bb_compute): Initialize a dead_debug object, add dead
1715         debug uses to it, insert debug bind insns before death insns,
1716         reset debug insns that refer to pending uses at the end.
1717         * rtl.h (make_debug_expr_from_rtl): New prototype.
1718         * varasm.c (make_debug_expr_from_rtl): New function.
1719
1720 2010-05-05  Jan Hubicka  <jh@suse.cz>
1721
1722         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1723         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1724         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1725         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1726         lto_varpool_encoder_encode_initializer_p,
1727         lto_set_varpool_encoder_encode_initializer): New functions.
1728         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1729         call output_varpool.
1730         (input_varpool_node): Do not always set analyzed.
1731         (input_cgraph_1): Return vector of cgraph nodes.
1732         (input_varpool_1): Return vector of varpools.
1733         (input_cgraph): Free the vectors.
1734         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1735         output only initializers needed.
1736         (lto_output): Only call output_cgraph.
1737         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1738         * lto-section-out.c (lto_new_out_decl_state): Initialize
1739         state->varpool_node_encoder.
1740         * lto-streamer.h (lto_varpool_encoder_d): New.
1741         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1742         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1743         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1744         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1745         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1746         Declare.
1747         (output_varpool, input_varpool): Remove declarations.
1748
1749 2010-05-05  Jan Hubicka  <jh@suse.cz>
1750
1751         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1752         with body can prevail.
1753
1754 2010-05-05  Jan Hubicka  <jh@suse.cz>
1755
1756         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1757         size.
1758
1759 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1760
1761         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1762
1763         * gengtype.h (erro_at_line): Constify pos argument.
1764
1765         * gengtype.c: Include hashtab.h.
1766         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1767         (error_at_line): Constify pos argument.
1768         (do_typedef): Initialize p->opt field.
1769         (get_file_gtfilename): Fix comment typo.
1770         (struct walk_type_data): Constify line field.
1771         (get_output_file_for_structure): New function.
1772         (write_local_func_for_structure): Constify orig_s argument.
1773         Use get_output_file_for_structure.
1774         (write_func_for_structure): Use get_output_file_for_structure.
1775         (INDENT): New define.
1776         (dump_pair, dump_type, dump_type_list, dump_typekind)
1777         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1778         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1779         functions.
1780         (seen_types): New variable.
1781         (main): New variable do_dump.  Process "-d" command line option.
1782         Call dump_everything if dump requested.
1783
1784 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1785
1786         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1787         in a temporary instead of invoking the macro multiple times.
1788         (track_expr_p): Likewise.
1789
1790 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1791
1792         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1793         per new semantics.
1794         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1795         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1796         conditions for printing notes.
1797         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1798         true, update documentation.
1799         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1800
1801 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1802
1803         PR c/43981
1804         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1805         on dimen.
1806
1807 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1808
1809         PR target/43799
1810         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1811         (*sse_prologue_save_insn1): Likewise.
1812         (SSE prologue save splitter): Likewise.
1813
1814 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1815
1816         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1817         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1818         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1819         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1820         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1821         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1822         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1823
1824 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1825
1826         * tree-sra.c (build_access_from_expr_1): The first parameter type
1827         changed to simple tree.
1828         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1829         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1830         renamed as well.
1831         (build_accesses_from_assign): Removed all parameters except for a
1832         simple gimple statement.  Now returns a simple bool.
1833         (scan_function): All non-analysis parts moved to separate functions
1834         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1835         parameters and updated both callers.
1836         (sra_modify_expr): Removed parameter data.
1837         (sra_modify_function_body): New function.
1838         (perform_intra_sra): Call sra_modify_function_body to modify the
1839         function body.
1840         (replace_removed_params_ssa_names): Parameter data changed into
1841         adjustments vector.
1842         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1843         changed the parameter dont_convert to convert with the opposite
1844         meaning.
1845         (sra_ipa_modify_assign): Parameter data changed into adjustments
1846         vector, return value changed to bool.
1847         (ipa_sra_modify_function_body): New function.
1848         (sra_ipa_reset_debug_stmts): Updated a comment.
1849         (modify_function): Use ipa_sra_modify_function_body to modify function
1850         body.
1851
1852 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1853
1854         PR middle-end/43671
1855         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1856         (canon_true_dependence): Likewise.
1857         (write_dependence_p): Likewise.
1858
1859 2010-05-04  Jan Hubicka  <jh@suse.cz>
1860
1861         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1862         * cgraphbuild.c: Include ipa-utils.h
1863         (record_reference_ctx): New struct.
1864         (record_reference): Simplify to work on initializers; not statements.
1865         (mark_address, mark_load, mark_store): New.
1866         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1867         walk PHI nodes too.
1868         (record_references_in_initializer): Update use of record_reference.
1869         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1870         walk PHI nodes too.
1871
1872 2010-05-04  Jan Hubicka  <jh@suse.cz>
1873
1874         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1875         node will be removed anyway.
1876         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1877         relink aliases of node into prevailing node.
1878         * varpool.c (varpool_remove_node): Remove aliases properly;
1879         when removing node, remove all its aliases too; remove DECL_INITIAL
1880         of removed node; ggc_free the varpool node.
1881
1882 2010-05-04  Richard Guenther  <rguenther@suse.de>
1883
1884         PR tree-optimization/43879
1885         * tree-ssa-structalias.c (alias_get_name): Use
1886         DECL_ASSEMBLER_NAME if available.
1887         (create_function_info_for): Return the varinfo node.
1888         (ipa_pta_execute): Associate same-body aliases and extra names
1889         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1890
1891 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1892
1893         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1894
1895 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1896
1897         PR bootstrap/43964
1898         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1899         only if HONOR_REG_ALLOC_ORDER is not defined.
1900
1901 2010-05-04  Richard Guenther  <rguenther@suse.de>
1902
1903         PR tree-optimization/43949
1904         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1905         TRUNC_MOD_EXPR.
1906
1907 2010-04-26  Jason Merrill  <jason@redhat.com>
1908
1909         * c.opt (-fstrict-enums): New.
1910         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1911
1912 2010-05-03  David Ung <davidu@mips.com>
1913             James E. Wilson  <wilson@codesourcery.com>
1914
1915         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1916         emit the trap instruction before the divide for TUNE_74K.
1917
1918 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1919
1920         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1921         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1922         based on the above, for new target hook.
1923
1924         * hooks.c (hook_bool_mode_true): New generic hook.
1925         * hooks.h (hook_bool_mode_true): Add prototype.
1926
1927         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1928         target hook.
1929         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1930         target hook, set to hook_bool_mode_false.
1931         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1932         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1933         with targetm.small_register_classes_for_mode_p.
1934         (find_reusable_reload): Likewise.
1935         (combine_reloads): Likewise.
1936         * reload1.c (reload_as_needed): Likewise.
1937         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1938         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1939         dead_or_predicable): Likewise.
1940         * regmove.c (optimize_reg_copy_1): Likewise.
1941         * calls.c (prepare_call_address): Likewise.
1942         (precompute_register_parameters): Likewise.
1943
1944         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1945         hook definition.
1946         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1947         implementation of the hook that considers all register classes
1948         small except for SH64.
1949         (sh_override_options): Use the new hook.
1950         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1951         Add prototype.
1952
1953         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1954         hook definition.
1955         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1956         implementation of the hook that considers all register classes
1957         small for THUMB1.
1958         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1959         Add prototype.
1960
1961         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1962         hook definition.
1963         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1964         implementation of the hook that considers all register classes
1965         small for MIPS16.
1966         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1967         Add prototype.
1968
1969         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1970         hook definition.
1971         * config/m32c/m32c.h: Likewise.
1972         * config/pdp11/pdp11.h: Likewise.
1973         * config/avr/avr.h: Likewise.
1974         * config/xtensa/xtensa.h: Likewise.
1975         * config/m68hc11/m68hc11.h: Likewise.
1976         * config/mn10300/mn10300.h: Likewise.
1977         * config/mcore/mcore.h: Likewise.
1978         * config/h8300/h8300.h: Likewise.
1979         * config/bfin/bfin.h: Likewise.
1980
1981         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1982         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1983
1984 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1985
1986         * double-int.h (tree_to_double_int): Remove macro.
1987         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1988         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1989         (tree_to_double_int): New function.
1990         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1991         Move ...
1992         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1993
1994 2010-05-03  Richard Guenther  <rguenther@suse.de>
1995
1996         PR tree-optimization/43971
1997         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1998         constraints in the !flag_delete_null_pointer_checks case.
1999
2000 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
2001
2002         PR debug/43972
2003         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2004         result mode matches original rtl mode.
2005
2006 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
2007
2008         PR target/43888
2009         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2010
2011 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2012
2013         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2014         when processing flag options.
2015
2016 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         * gcov-iov.c (main): Change format string placeholder
2019         from %#08x to 0x%08x.
2020         * genchecksum.c (dosum): Change format string placeholder
2021         from %#02x to 0x%02x.
2022
2023 2010-05-02  Richard Guenther  <rguenther@suse.de>
2024
2025         PR tree-optimization/43879
2026         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2027
2028 2010-05-02  Bruno Haible  <bruno@clisp.org>
2029
2030         * doc/extend.texi (Function Attributes): Fix a typo.
2031
2032 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2033
2034         Revert:
2035         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2036         placeholder from 0x%x to %#x.
2037         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2038         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2039         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2040         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2041         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2042         * config/i386/i386.c (ix86_target_string): Ditto.
2043         * config/i386/i386.c (output_pic_addr_const): Ditto.
2044         (print_operand): Ditto.
2045
2046 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2047
2048         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2049         placeholder from 0x%x to %#x.
2050         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2051         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2052         (ASM_OUTPUT_DEBUG_DATA): Ditto.
2053         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2054         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2055         * optc-gen.awk: Ditto.
2056         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2057         (HOST_WIDE_INT_PRINT_HEX): Ditto.
2058         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2059         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2060
2061 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2062
2063         * target.h (struct calls): Add function_value_regno_p field.
2064         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2065         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2066         * targhooks.c (default_function_value_regno_p): New function.
2067         * targhooks.h (default_function_value_regno_p): Declare function.
2068         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2069         * builtins.c. (apply_result_size): (Ditto.).
2070         * combine.c. (likely_spilled_retval_p): (Ditto.).
2071         * mode-switching.c. Include 'target.h'.
2072         (create_pre_exit): Use function_value_regno_p hook.
2073         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2074         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2075         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2076
2077         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2078         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2079         (ix86_function_value_regno_p): Declare as static, change argument
2080         type to const unsigned int.
2081         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2082
2083 2010-05-01  Richard Guenther  <rguenther@suse.de>
2084
2085         PR tree-optimization/43949
2086         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2087         types.
2088         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2089
2090 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2091
2092         * rtl.h (CONST_DOUBLE_P): Define.
2093         (rtx_to_double_int): Declare.
2094         * emit-rtl.c (rtx_to_double_int): New function.
2095         * dwarf2out.c (insert_double): New function.
2096         (loc_descriptor, add_const_value_attribute): Clean up, use
2097         rtx_to_double_int and insert_double functions.
2098
2099 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2100
2101         * doc/extend.texi (Inline): Add missing return keyword to examples.
2102         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2103         "command-line".
2104
2105 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2106
2107         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2108         the variable part of the offset as well.  Use highest_pow2_factor for
2109         all alignment checks.
2110
2111 2010-04-30  Richard Guenther  <rguenther@suse.de>
2112
2113         PR tree-optimization/43879
2114         * tree-ssa-structalias.c (type_could_have_pointers): Functions
2115         can have pointers.
2116
2117 2010-04-30  Jan Hubicka  <jh@suse.cz>
2118
2119         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2120         varpool.
2121         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2122
2123 2010-04-30  Jan Hubicka  <jh@suse.cz>
2124
2125         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2126         New.
2127         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2128         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2129         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2130         cgraph_node_set_needs_ltrans_p): Remove.
2131
2132 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2133
2134         * sdbout.c: Include vec.h, do not include varray.h.
2135         (deferred_global_decls, sdbout_global_decl,
2136         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2137         * toplev.c: Do not include varray.h.
2138         (dump_memory_report): Do not dump VARRAY statistics.
2139         * gengtype.c (open_base_file): Ignore varray.h.
2140         * Makefile.in: Update for abovementioned changes.
2141         Remove all traces of varray.c and varray.h.
2142         * varray.c: Remove file.
2143         * varray.h: Remove file.
2144
2145 2010-04-30  Jan Hubicka  <jh@suse.cz>
2146
2147         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2148         references.
2149
2150 2010-04-30  Jan Hubicka  <jh@suse.cz>
2151
2152         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2153         needed.
2154
2155 2010-04-30  Richard Guenther  <rguenther@suse.de>
2156
2157         * tree-ssa-structalias.c (get_constraint_for_1): Generate
2158         constraints for CONSTRUCTOR.
2159
2160 2010-04-30  Richard Guenther  <rguenther@suse.de>
2161
2162         PR lto/43946
2163         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2164         first after all lowering passes.
2165
2166 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2167
2168         * toplev.c: Include varray.h for statistics dumping.
2169         * tree.h: Do not declare varray_head_tag.
2170         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2171         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2172         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2173         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2174         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2175         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2176         c-common.c, c-common.h, reg-stack.c, basic-block.h,
2177         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2178         include varray.h.
2179         * Makefile.in: Update for abovementioned changes.
2180
2181 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2182
2183         PR debug/43942
2184         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2185
2186 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2187
2188         * config/picochip/picochip.c (picochip_legitimize_address): Define.
2189         Use this function to do machine-specific conversion.
2190         (picochip_legitimize_reload_address): Likewise.
2191         (picochip_legitimate_address_p): Check valid base register only if
2192         strict.
2193         (picochip_check_conditional_copy): Check for modw only if opnd is
2194         register.
2195         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2196         to call the function in c.
2197         * config/picochip/picochip-protos.h
2198         (picochip_legitimize_reload_address): Define.
2199         * config/picochip/picochip.md (supported_compare1): Define.
2200
2201 2010-04-30  Jan Hubicka  <jh@suse.cz>
2202
2203         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2204         (cgraph_global_info): Remove inlined.
2205         (LTO_cgraph_tag_names): Remove.
2206         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2207         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2208         simplify cgraph tags and document.
2209         (lto_output_node): Use only LTO_cgraph_unavail_node and
2210         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2211         for_functions_valid, global info, process and output flags.
2212         (input_overwrite_node): Initialize estimated stack size and
2213         estimated growth.  Do not read flags we no longer store.
2214         (input_node): Likewise do not read info no longer stored.
2215         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2216         flag.
2217
2218 2010-04-30  Richard Guenther  <rguenther@suse.de>
2219
2220         PR tree-optimization/43879
2221         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2222         handle non-zero initializers.
2223
2224 2010-04-30  Richard Guenther  <rguenther@suse.de>
2225
2226         * builtins.c (fold_builtin_1): Delete free (0).
2227
2228 2010-04-29  Jan Hubicka  <jh@suse.cz>
2229
2230         * gengtype.c (open_base_files): Add lto-streamer.h
2231         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2232         (pass_ipa_cp): GGC collect.
2233         * toplev. (compile_file): Do not output symbols.
2234         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2235         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2236         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2237         * lto-section-in.c: Include ggc.h
2238         (lto_new_in_decl_state): Alloc in GGC.
2239         (lto_delete_in_decl_state): Likewise.
2240         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2241         Collect.
2242
2243 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2244
2245         PR target/42895
2246         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2247         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2248         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2249         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2250         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2251         account only if HONOR_REG_ALLOC_ORDER is not defined.
2252         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2253         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2254
2255 2010-04-29  Jon Grant  <04@jguk.org>
2256
2257         * collect2.c (vflag): Change type from int to bool.
2258         (debug): Likewise.
2259         (helpflag): New global bool.
2260         (main): Set vflag and debug with boolean, not integer truth values.
2261         Accept new "--help" option and output usage text if found.
2262         * collect2.h (vflag): Update prototype.
2263         (debug): Likewise.
2264
2265 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2266
2267         PR bootstrap/43936
2268         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2269
2270 2010-04-29  Richard Guenther  <rguenther@suse.de>
2271
2272         PR bootstrap/43935
2273         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2274         with ATTRIBUTE_UNUSED.
2275
2276 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2277
2278         PR target/43921
2279         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2280         INSN_P with NONDEBUG_INSN_P.
2281         (distance_non_agu_define): Likewise.
2282         (distance_agu_use): Likewise.
2283
2284 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2285
2286         From Dominique d'Humieres <dominiq@lps.ens.fr>
2287         PR bootstrap/43858
2288         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2289         test_set.
2290
2291 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2292
2293         * plugin.h (invoke_plugin_callbacks): New inline function.
2294         * plugin.c (flag_plugin_added): New global flag.
2295         (add_new_plugin): Initialize above flag.
2296         (invoke_plugin_callbacks): Rename to ...
2297         (invoke_plugin_callbacks_full): ... this.
2298
2299 2010-04-28  Jan Hubicka  <jh@suse.cz>
2300
2301         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2302         (lto_varpool_replace_node): New.
2303         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2304         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2305         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2306         * cgraph.h (varpool_node_ptr): New type.
2307         (varpool_node_ptr): New vector.
2308         (varpool_node_set_def): New structure.
2309         (varpool_node_set): New type.
2310         (varpool_node_set): New vector.
2311         (varpool_node_set_element_def): New structure.
2312         (varpool_node_set_element, const_varpool_node_set_element): New types.
2313         (varpool_node_set_iterator): New type.
2314         (varpool_node): Add prev pointers, add used_from_other_partition,
2315         in_other_partition.
2316         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2317         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2318         varpool_get_node, varpool_remove_node): Declare.
2319         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2320         varpool_node_set_size): New inlines.
2321         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2322         * tree-pass.h (varpool_node_set_def): Forward declare.
2323         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2324         (ipa_write_optimization_summaries): Update prototype.
2325         * ipa-cp.c (ipcp_write_summary): Update.
2326         * ipa-reference.c (ipa_reference_write_summary): Update.
2327         * lto-cgraph.c (lto_output_varpool_node): New static function.
2328         (output_varpool): New function.
2329         (input_varpool_node): New static function.
2330         (input_varpool_1): New function.
2331         (input_cgraph): Input varpool.
2332         * ipa-pure-const.c (pure_const_write_summary): Update.
2333         * lto-streamer-out.c (lto_output): Update, output varpool too.
2334         (write_global_stream): Kill WPA hack.
2335         (produce_asm_for_decls): Update.
2336         (output_alias_pair_p): Handle variables.
2337         (output_unreferenced_globals): Output only needed partition of varpool.
2338         * ipa-inline.c (inline_write_summary): Update.
2339         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2340         cgraph.
2341         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2342         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2343         varpool_node_set_new, varpool_node_set_add,
2344         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2345         debug_varpool_node_set): New functions.
2346         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2347         (execute_one_pass): Process new decls too.
2348         (ipa_write_summaries_2): Pass around vsets.
2349         (ipa_write_summaries_1): Likewise.
2350         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2351         to add.
2352         (ipa_write_optimization_summaries_1): Pass around vsets.
2353         (ipa_write_optimization_summaries): Likewise.
2354         * varpool.c (varpool_get_node): New.
2355         (varpool_node): Update doubly linked lists.
2356         (varpool_remove_node): New.
2357         (dump_varpool_node): More dumping.
2358         (varpool_enqueue_needed_node): Update doubly linked lists.
2359         (decide_is_variable_needed): Kill ltrans hack.
2360         (varpool_finalize_decl): Kill lto hack.
2361         (varpool_assemble_decl): Skip decls in other partitions.
2362         (varpool_assemble_pending_decls): Update doubly linkes lists.
2363         (varpool_empty_needed_queue): Likewise.
2364         (varpool_extra_name_alias): Likewise.
2365         * lto-streamer.c (lto_get_section_name): Add vars section.
2366         * lto-streamer.h (lto_section_type): Update.
2367         (output_varpool, input_varpool): Declare.
2368
2369 2010-04-28  Mike Stump  <mikestump@comcast.net>
2370
2371         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2372
2373 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2374
2375         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2376         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2377         (lto_input_ts_type_tree_pointers): Likewise.
2378         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2379         (lto_output_ts_type_tree_pointers): Likewise.
2380
2381 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2382
2383         Uniquization of constants at the Tree level
2384         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2385         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2386         bit to the end.
2387         (tree_output_constant_def): Declare.
2388         * gimplify.c (gimplify_init_constructor): When using block copy, first
2389         uniquize the constant constructor on the RHS.
2390         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2391         DECL_IN_CONSTANT_POOL flag.
2392         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2393         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2394         constant pool.
2395         (assemble_variable): Deal with symbols belonging to the tree constant
2396         pool.
2397         (get_constant_section): Add ALIGN parameter and simplify.
2398         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2399         (assemble_constant_contents): Use the expression of the VAR_DECL.
2400         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2401         (tree_output_constant_def): New global function.
2402         (mark_constant): Use the expression of the VAR_DECL.
2403         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2404         its expression.
2405         (output_object_block): Likewise and assemble the expression.
2406
2407 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2408
2409         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2410         hash_tree, eq_tree): New tree hash table.
2411         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2412         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2413         lto_orig_address_remove): Reimplement.
2414
2415 2010-04-28  Xinliang David Li  <davidxl@google.com>
2416
2417         PR c/42643
2418         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2419         (compute_uninit_opnds_pos): New function.
2420         (is_non_loop_exit_postdominating): New function.
2421         (compute_control_dep_chain): New function.
2422         (find_pdom): New function.
2423         (convert_control_dep_chain_into_preds): New function.
2424         (find_predicates): New function.
2425         (find_control_equiv_block): New function.
2426         (collect_phi_def_edges): New function.
2427         (find_def_preds): New function.
2428         (find_dom): New function.
2429         (dump_predicates): New function.
2430         (get_cmp_code): New function.
2431         (is_value_included_in): New function.
2432         (find_matching_predicate_in_rest_chains): New function.
2433         (use_pred_not_overlap_with_undef_path_pred): New function.
2434         (is_use_properly_guarded): New function.
2435         (normalize_cond_1): New function.
2436         (is_and_or_or): New function.
2437         (normalize_cond): New function.
2438         (is_gcond_subset_of): New function.
2439         (is_subset_of_any): New function.
2440         (is_or_set_subset_of): New function.
2441         (is_and_set_subset_of): New function.
2442         (is_norm_cond_subset_of): New function.
2443         (is_pred_expr_subset_of): New function.
2444         (is_pred_chain_subset_of): New function.
2445         (is_included_in): New function.
2446         (is_superset_of): New function.
2447         (find_uninit_use): New function.
2448         (warn_uninitialized_phi): New function.
2449         (compute_possibly_undefined_names): New function.
2450         (ssa_undefined_value_p): New function.
2451         (execute_late_warn_uninitialized): New function.
2452         * tree-ssa.c (ssa_undefined_value_p): Removed.
2453         (warn_uninit): Changed to extern.
2454         (warn_uninitialized_phi): Removed.
2455         (warn_uninitialized_vars): Changed to extern.
2456         (execute_late_warn_uninitialized): Removed
2457         * tree-flow.h: Add new prototypes.
2458         * timevar.def: Add new time variable.
2459         * Makefile.in: Add new build file.
2460
2461 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2462
2463         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2464         type if available.
2465
2466 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2467
2468         PR target/22224
2469         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2470
2471 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2472
2473         * cgraph.h (struct cgraph_node): New field indirect_calls.
2474         (struct cgraph_indirect_call_info): New type.
2475         (struct cgraph_edge): Removed field indirect_call. New fields
2476         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2477         (cgraph_create_indirect_edge): Declare.
2478         (cgraph_make_edge_direct): Likewise.
2479         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2480         * ipa-prop.h (struct ipa_param_call_note): Removed.
2481         (struct ipa_node_params): Removed field param_calls.
2482         (ipa_create_all_structures_for_iinln): Declare.
2483         * cgraph.c: Described indirect edges and uids in initial comment.
2484         (cgraph_add_edge_to_call_site_hash): New function.
2485         (cgraph_edge): Search also among the indirect edges, use
2486         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2487         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2488         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2489         site hash.
2490         (initialize_inline_failed): Assign a reason to indirect edges.
2491         (cgraph_create_edge_1): New function.
2492         (cgraph_create_edge): Moved some functionality to
2493         cgraph_create_edge_1.
2494         (cgraph_create_indirect_edge): New function.
2495         (cgraph_edge_remove_callee): Add an assert checking for
2496         non-indirectness.
2497         (cgraph_edge_remove_caller): Special-case indirect edges.
2498         (cgraph_remove_edge): Likewise.
2499         (cgraph_set_edge_callee): New function.
2500         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2501         (cgraph_make_edge_direct): New function.
2502         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2503         the declaration of the call statement matches.
2504         (cgraph_node_remove_callees): Special-case indirect edges.
2505         (cgraph_clone_edge): Likewise.
2506         (cgraph_clone_node): Clone also the indirect edges.
2507         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2508         indirect_call, dump count of indirect_calls edges.
2509         * ipa-prop.c (iinlining_processed_edges): New variable.
2510         (ipa_note_param_call): Create indirect edges instead of
2511         creating notes.  New parameter node.
2512         (ipa_analyze_call_uses): New parameter node, pass it on to
2513         ipa_note_param_call.
2514         (ipa_analyze_stmt_uses): Likewise.
2515         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2516         (print_edge_addition_message): Work on edges rather than on notes.
2517         (update_call_notes_after_inlining): Likewise, renamed to
2518         update_indirect_edges_after_inlining.
2519         (ipa_create_all_structures_for_iinln): New function.
2520         (ipa_free_node_params_substructures): Do not free notes.
2521         (ipa_edge_duplication_hook): Propagate bits within
2522         iinlining_processed_edges bitmap.
2523         (ipa_node_duplication_hook): Do not duplicate notes.
2524         (free_all_ipa_structures_after_ipa_cp): Renamed to
2525         ipa_free_all_structures_after_ipa_cp.
2526         (free_all_ipa_structures_after_iinln): Renamed to
2527         ipa_free_all_structures_after_iinln.
2528         (ipa_write_param_call_note): Removed.
2529         (ipa_read_param_call_note): Removed.
2530         (ipa_write_indirect_edge_info): New function.
2531         (ipa_read_indirect_edge_info): Likewise.
2532         (ipa_write_node_info): Do not stream notes, do stream information
2533         in indirect edges.
2534         (ipa_read_node_info): Likewise.
2535         (lto_ipa_fixup_call_notes): Removed.
2536         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2537         * ipa-inline.c (pass_ipa_inline): Likewise.
2538         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2539         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2540         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2541         is_gimple_call.
2542         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2543         edges.
2544         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2545         (output_cgraph): Stream also indirect edges.
2546         (lto_output_edge): Added capability to stream indirect edges.
2547         (input_edge): Likewise.
2548         (input_cgraph_1): Likewise.
2549         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2550         of indirect edges.
2551
2552 2010-04-28  Richard Guenther  <rguenther@suse.de>
2553
2554         PR tree-optimization/43879
2555         PR tree-optimization/43909
2556         * tree-ssa-structalias.c (struct variable_info): Add
2557         only_restrict_pointers flag.
2558         (new_var_info): Initialize it.  Increment stats.total_vars here.
2559         (create_function_info_for): Do not increment stats.total_vars here.
2560         (get_function_part_constraint): Fix build with C++.
2561         (insert_into_field_list): Remove.
2562         (push_fields_onto_fieldstack): Properly merge fields.
2563         (create_variable_info_for): Split and simplify.
2564         (create_variable_info_for_1): New piece.
2565         (intra_create_variable_infos): Properly make restrict constraints
2566         from parameters.
2567
2568 2010-04-28  Richard Guenther  <rguenther@suse.de>
2569
2570         PR c++/43880
2571         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2572
2573 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2574             Jan Hubicka <hubicka@ucw.cz>
2575
2576         * doc/invoke.texi (-Wsuggest-attribute=const,
2577         -Wsuggest-attribute=pure): Document.
2578         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2579         (function_always_visible_to_compiler_p,
2580         suggest_attribute, warn_function_pure, warn_function_const):
2581         New functions.
2582         (check_call): Improve debug info.
2583         (analyze_function): Do not check availability.
2584         (add_new_function): Check availability.
2585         (propagate): Output warnings.
2586         (skip_function_for_local_pure_const): New function.
2587         (local_pure_const): Use it; output warnings.
2588         * common.opt (Wsuggest-attribute=const,
2589         Wsuggest-attribute=pure): New.
2590
2591 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2592
2593         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2594         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2595         or DW_CFA_def_cfa_offset{,_sf}.
2596
2597 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2598
2599         * tree.h: Fix truncated long macros.
2600
2601 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2602
2603         * collect2.c (TARGET_64BIT): Redefine to target's default.
2604         * tlink.c: Likewise.
2605         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2606         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2607         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2608         for underscoring __USER_LABEL_PREFIX__.
2609         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2610         (SUB_LINK_ENTRY32): New.
2611         (SUB_LINK_ENTRY64): New.
2612         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2613         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2614         (SUB_LINK_ENTRY64): New.
2615         (SUB_LINK_ENTRY): New.
2616         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2617         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2618         x64 target is choosen.
2619         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2620         * configure: Regenerated.
2621         * configure.ac (leading-mingw64-underscores): Option added.
2622
2623 2010-04-27  Jan Hubicka  <jh@suse.cz>
2624
2625         * doc/invoke.texi (-fipa-profile): Document.
2626         * opts.c (decode_options): Enable ipa-profile at -O1.
2627         * timevar.def (TV_IPA_PROFILE): Define.
2628         * common.opt (fipa-profile): Add.
2629         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2630         flag for clones.
2631         (cgraph_propagate_frequency): Handle only local ones.
2632         * tree-pass.h (pass_ipa_profile): Declare.
2633         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2634         (pass_ipa_profile): Use TV_IPA_PROFILE.
2635         * ipa.c (ipa_profile): New function.
2636         (gate_ipa_profile): Likewise.
2637         (pass_ipa_profile): New global variable.
2638         * passes.c (pass_ipa_profile): New.
2639
2640 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2641
2642         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2643
2644 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2645
2646         PR middle-end/43812
2647         * ipa.c (dissolve_same_comdat_group_list): New function.
2648         (function_and_variable_visibility): Call
2649         dissolve_same_comdat_group_list when comdat group contains external or
2650         newly local nodes.
2651         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2652         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2653
2654 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2655
2656         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2657         (const_hash_1) <VECTOR_CST>: New case.
2658         (compare_constant) <VECTOR_CST>: Likewise.
2659         <ADDR_EXPR>: Deal with LABEL_REFs.
2660         (copy_constant) <VECTOR_CST>: New case.
2661
2662 2010-04-27  Jan Hubicka  <jh@suse.cz>
2663
2664         * cgraph.c (cgraph_propagate_frequency): New function.
2665         * cgraph.h (cgraph_propagate_frequency): Declare.
2666         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2667         cgraph_propagate_frequency.
2668
2669 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2670
2671         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2672
2673 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2674
2675         PR target/40657
2676         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2677         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2678         here to determine which regs to push and how much stack to reserve.
2679
2680 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2681
2682         * doc/gimple.texi (gimple_statement_with_ops): Remove
2683         addresses_taken field.
2684         (gimple_statement_with_memory_ops): Likewise.
2685
2686 2010-04-27  Jan Hubicka  <jh@suse.cz>
2687
2688         * tree-inline.c (eni_inlining_weights): Remove.
2689         (estimate_num_insns): Special case more builtins.
2690
2691 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2692
2693         PR c/32207
2694         * c-typeck.c (build_binary_op): Move forward check for comparison
2695         pointer with null pointer constant and adjust the diagnostic message.
2696
2697 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2698
2699         PR lto/42776
2700         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2701         binutils supports extended .section directive needed by LTO, or
2702         warn if older binutils found.
2703         (LTO_BINARY_READER): New AC_SUBST'd variable.
2704         (LTO_USE_LIBELF): Likewise.
2705         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2706         variable.
2707         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2708         (LTO_USE_LIBELF): Likewise.
2709         * configure: Regenerate.
2710
2711         * collect2.c (is_elf): Rename from this ...
2712         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2713          object files in addition to ELF-formatted ones.
2714         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2715         symbol to be prefixed or not by an extra underscore.
2716
2717         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2718         * config/i386/winnt.c: Also #include lto-streamer.h
2719         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2720         LTO named sections.
2721         (i386_pe_asm_output_aligned_decl_common): Add comment.
2722         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2723
2724 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2725
2726         PR target/43889
2727         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2728         Add missing earlyclobber for second alternative.
2729
2730 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2731
2732         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2733         bits for artificial defs at the top of the block.
2734         * fwprop.c (single_def_use_enter_block): Don't call it.
2735
2736 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2737
2738         PR 43715
2739         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2740         instead of "$gcc_cv_objdump -T".
2741         Use "-undefined dynamic_lookup" on darwin.
2742         * gcc/configure: Regenerate.
2743
2744 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2745
2746         PR c/43893
2747         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2748
2749 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2750
2751         * c-parser.c (struct c_token): Move location field up.
2752         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2753         (struct c_declspecs): Convert typespec_word, storage_class, and
2754         default_int_p into bitfields.
2755         (struct c_declarator): Move loc field up.
2756
2757 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2758
2759         * cfgloop.h (struct loop): Move can_be_parallel field up.
2760         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2761         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2762         down.
2763         (struct iv_cand): Convert pos field into a bitfield.
2764         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2765         field up.
2766         (struct _stmt_vec_info): Shuffle fields for better packing.
2767
2768 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2769
2770         * varasm.c (IN_NAMED_SECTION): Remove guard.
2771         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2772         (IN_NAMED_SECTION_P): ...this.
2773         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2774         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2775
2776 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2777
2778         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2779         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2780         of shadowing it.  Fix comments.
2781
2782 2010-04-26  Jan Hubicka  <jh@suse.cz>
2783
2784         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2785         (cgraph_clone_node): Copy function frequency.
2786         * cgraph.h (node_frequency): New enum
2787         (struct cgraph_node): Add.
2788         * final.c (rest_of_clean_state): Update.
2789         * lto-cgraph.c (lto_output_node): Output node frequency.
2790         (input_overwrite_node): Input node frequency.
2791         * tre-ssa-loop-ivopts (computation_cost): Update.
2792         * lto-streamer-out.c (output_function): Do not output function
2793         frequency.
2794         * predict.c (maybe_hot_frequency_p): Update and handle functions
2795         executed once.
2796         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2797         attribute lookup.
2798         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2799         (compute_function_frequency): Set noreturn functions to be executed
2800         once.
2801         (choose_function_section): Update.
2802         * lto-streamer-in.c (input_function): Do not input function frequency.
2803         * function.c (allocate_struct_function): Do not initialize function
2804         frequency.
2805         * function.h (function_frequency): Remove.
2806         (struct function): Remove function frequency.
2807         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2808         (try_update): Update.
2809         * tree-inline.c (initialize_cfun): Do not update function frequency.
2810         * passes.c (pass_init_dump_file): Update.
2811         * i386.c (ix86_compute_frame_layout): Update.
2812         (ix86_pad_returns): Update.
2813
2814 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2815
2816         PR tree-optimization/43833
2817         * tree-vrp.c (range_int_cst_p): New.
2818         (range_int_cst_singleton_p): New.
2819         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2820         when both operands are constants.  Use range_int_cst_p in
2821         BIT_IOR_EXPR case.
2822
2823 2010-04-26  Jan Hubicka  <jh@suse.cz>
2824
2825         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2826
2827 2010-04-26  Richard Guenther  <rguenther@suse.de>
2828
2829         PR lto/43080
2830         * gimple.c (gimple_decl_printable_name): Deal gracefully
2831         with a NULL DECL_NAME.
2832
2833 2010-04-26  Richard Guenther  <rguenther@suse.de>
2834
2835         PR lto/42425
2836         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2837         if emitting debug information and it is either a function
2838         or a namespace decl.
2839
2840 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2841
2842         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2843         determine if the statement is vectorizable, and a macro to access it.
2844         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2845         Skip statements that can't be vectorized. If the analysis fails,
2846         mark the statement as unvectorizable if vectorizing basic block.
2847         (vect_compute_data_refs_alignment): Likewise.
2848         (vect_verify_datarefs_alignment): Skip statements marked as
2849         unvectorizable. Add print.
2850         (vect_analyze_group_access): Skip statements that can't be
2851         vectorized. If the analysis fails, mark the statement as
2852         unvectorizable if vectorizing basic block.
2853         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2854         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2855         generated stmts for SLP.
2856         (new_stmt_vec_info): Initialize the new field.
2857         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2858         statements marked as unvectorizable.
2859
2860 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2861
2862         * c-common.c (flag_isoc1x): New.
2863         (flag_isoc99): Update comment.
2864         * c-common.h (flag_isoc1x): New.
2865         (flag_isoc99): Update comment.
2866         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2867         __<type>_DECIMAL_DIG__.
2868         * c-opts.c (set_std_c1x): New.
2869         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2870         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2871         * c.opt (-std=c1x, -std=gnu1x): New options.
2872         * doc/cpp.texi: Mention -std=c1x.
2873         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2874         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2875         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2876         * doc/standards.texi: Mention C1X.
2877         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2878         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2879         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2880         Define for C1X.
2881
2882 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2883
2884         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2885         placeholder from 0x%x to %#x.
2886         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2887         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2888         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2889         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2890         * config/i386/i386.c (ix86_target_string): Ditto.
2891         (output_pic_addr_const): Ditto.
2892         (print_operand): Ditto.
2893
2894 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2895
2896         * combine.c (find_split_point): Add third argument.  Use it
2897         to find nested multiply-accumulate instructions.  Adjust calls.
2898         (try_combine): Adjust call to find_split_point.
2899
2900 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2901
2902         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2903
2904 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2905
2906         PR tree-optimization/41442
2907         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2908         (fold_binary_loc): Call it.
2909
2910 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2911
2912         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2913         * opts.c (common_handle_option): Allow disabling it.
2914         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2915
2916 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2917
2918         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2919         between modes if both types are integral.
2920
2921 2010-04-23  Richard Guenther  <rguenther@suse.de>
2922
2923         PR tree-optimization/43572
2924         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2925
2926 2010-04-23  Richard Guenther  <rguenther@suse.de>
2927
2928         PR lto/43455
2929         * tree-inline.c (tree_can_inline_p): Also check compatibility
2930         of return types.
2931
2932 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2933
2934         PR tree-optimization/43846
2935         * tree-sra.c (struct access): New flag grp_assignment_read.
2936         (build_accesses_from_assign): Set grp_assignment_read.
2937         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2938         (enum mark_read_status): New type.
2939         (analyze_access_subtree): Propagate grp_assignment_read, create
2940         accesses also if both direct_read and root->grp_assignment_read.
2941
2942 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2943
2944         PR middle-end/43835
2945         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2946         function does not have type attributes.
2947
2948 2010-04-23  Richard Guenther  <rguenther@suse.de>
2949
2950         PR lto/42653
2951         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2952         of FUNCTION_DECLs.
2953
2954 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2955
2956         * sese.h (create_if_region_on_edge): Remove.
2957
2958         * sese.c (create_if_region_on_edge): Make static.
2959
2960         * tree-inline.c: Do not include ggc.h.
2961
2962         * expr.c: Do not include ggc.h.
2963
2964         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2965         dependencies.
2966
2967 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2968
2969         PR target/43744
2970         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2971         in the middle of insns for casesi_worker_2.
2972
2973 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2974
2975         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2976
2977 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2978
2979         PR tree-optimization/43842
2980         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2981         loop unrolling in update of exit phis. Fix comment.
2982         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2983         least two reduction statements in the loop before starting SLP
2984         analysis.
2985
2986 2010-04-22  Nick Clifton  <nickc@redhat.com>
2987
2988         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2989
2990 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2991
2992         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2993         to simplify a + ~a.
2994
2995 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2996
2997         * tree-parloops.c (loop_parallel_p): New argument
2998         parloop_obstack.  Pass it down.
2999         (parallelize_loops): New variable parloop_obstack.  Initialize it,
3000         pass it down, free it.
3001
3002         * tree-loop-linear.c (linear_transform_loops): Pass down
3003         lambda_obstack.
3004
3005         * tree-data-ref.h (lambda_compute_access_matrices): New argument
3006         of type struct obstack *.
3007
3008         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3009         scratch_obstack.  Initialize it, pass down, free it.
3010
3011         * lambda.h (lambda_loop_new): Remove.
3012         (lambda_matrix_new, lambda_matrix_inverse)
3013         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3014         argument of type struct obstack *.
3015
3016         * lambda-trans.c (lambda_trans_matrix_new): New argument
3017         lambda_obstack.  Pass it down, use obstack allocation for ret.
3018         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
3019         it down.
3020
3021         * lambda-mat.c (lambda_matrix_get_column)
3022         (lambda_matrix_project_to_null): Remove.
3023         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
3024         allocation for mat.
3025         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3026         lambda_obstack.
3027
3028         * lambda-code.c (lambda_loop_new): New function.
3029         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3030         (lambda_compute_auxillary_space, lambda_compute_target_space)
3031         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3032         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3033         (build_access_matrix): New argument lambda_obstack.  Use obstack
3034         allocation for am.
3035         (lambda_compute_step_signs, lambda_compute_access_matrices): New
3036         argument lambda_obstack.  Pass it down.
3037
3038 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3039
3040         * optabs.h (expand_widening_mult): Declare.
3041
3042 2010-04-22  Richard Guenther  <rguenther@suse.de>
3043
3044         PR tree-optimization/43845
3045         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3046         lookup the CALL_EXPR function and arguments.
3047
3048 2010-04-22  Nick Clifton  <nickc@redhat.com>
3049
3050         * config/stormy16/stormy16.c
3051         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3052         * config/stormy16/stormy16.h: Tidy up formatting.
3053         (DONT_USE_BUILTIN_SETJMP): Remove definition.
3054         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3055         (ineqbranchsi): Delete pattern.
3056         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3057         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3058         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3059         stormy16-lib2-ucmpsi2.c.
3060
3061 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3062
3063         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3064         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
3065         extra set merge_set_noclobber, and use it to relax the final test
3066         slightly.
3067         * df.h (df_simulate_find_noclobber_defs): Declare.
3068         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3069         conditional defs.
3070         (df_simulate_find_noclobber_defs): New function.
3071
3072 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
3073
3074         * config/i386/i386.md: Use {} around multi-line preparation statements.
3075
3076 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3077
3078         * c-tree.h (push_init_level, pop_init_level, set_init_index)
3079         (process_init_element): New argument of type struct obstack *.
3080
3081         * c-typeck.c (push_init_level, pop_init_level, set_designator)
3082         (set_init_index, set_init_label, set_nonincremental_init)
3083         (set_nonincremental_init_from_string, find_init_member)
3084         (output_init_element, output_pending_init_elements)
3085         (process_init_element): New argument braced_init_obstack.  Pass it
3086         down.
3087         (push_range_stack, add_pending_init): New argument
3088         braced_init_obstack.  Use obstack allocation.
3089
3090         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3091         braced_init_obstack.  Pass it down.
3092         (c_parser_braced_init): New variables ret, braced_init_obstack.
3093         Initialize obstack, pass it down and finally free it.
3094
3095 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3096
3097         PR middle-end/29274
3098         * tree-pass.h (pass_optimize_widening_mul): Declare.
3099         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3100         gate_optimize_widening_mul): New static functions.
3101         (pass_optimize_widening_mul): New.
3102         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3103         <case MULT_EXPR>: Remove support for widening multiplies.
3104         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3105         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3106         simplify_gen_unary rather than directly building extensions.
3107         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3108         WIDEN_MULT_EXPR.
3109         * expmed.c (expand_widening_mult): New function.
3110         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3111
3112 2010-04-21  Jan Hubicka  <jh@suse.cz>
3113
3114         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3115         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3116         * lto-wpa-fixup.c: Remove.
3117         * Makefile.in (lto-wpa-fixup.o): Remove.
3118         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3119         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3120         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3121
3122 2010-04-21  Jan Hubicka  <jh@suse.cz>
3123
3124         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3125         add write_optimization_summary, read_optimization_summary.
3126         (ipa_write_summaries_of_cgraph_node_set): Remove.
3127         (ipa_write_optimization_summaries): Declare.
3128         (ipa_read_optimization_summaries): Declare.
3129         * ipa-cp.c (pass_ipa_cp): Update.
3130         * ipa-reference.c (pass_ipa_reference): Update.
3131         * ipa-pure-const.c (pass_ipa_pure_const): Update.
3132         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3133         Update.
3134         * ipa-inline.c (pass_ipa_inline): Update.
3135         * ipa.c (pass_ipa_whole_program): Update.
3136         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3137         * passes.c (ipa_write_summaries_1): Do not test wpa.
3138         (ipa_write_optimization_summaries_1): New.
3139         (ipa_write_optimization_summaries): New.
3140         (ipa_read_summaries): Do not test ltrans.
3141         (ipa_read_optimization_summaries_1): New.
3142         (ipa_read_optimization_summaries): New.
3143
3144 2010-04-21  Jan Hubicka  <jh@suse.cz>
3145
3146         * lto-cgraph.c (lto_output_node): Do not output comdat groups
3147         for boundary nodes.
3148         (output_cgraph): Do not arrange comdat groups for boundary nodes.
3149
3150 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3151
3152         PR debug/40040
3153         * dwarf2out.c (add_name_and_src_coords_attributes): Add
3154         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3155
3156 2010-04-21  Jan Hubicka  <jh@suse.cz>
3157
3158         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3159
3160 2010-04-21  Jan Hubicka  <jh@suse.cz>
3161
3162         * varpool.c (decide_is_variable_needed): Variable is always needed
3163         during ltrans.
3164
3165 2010-04-21  Jan Hubicka  <jh@suse.cz>
3166
3167         * opts.c (decode_options): Enable pure-const pass for whopr.
3168
3169 2010-04-21  Jan Hubicka  <jh@suse.cz>
3170
3171         * cgraph.c (dump_cgraph_node): Dump also assembler name.
3172         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3173         at WPA dumping.
3174         (cgraph_decide_inlining): Do not expect callee to be removed in all
3175         cases.
3176
3177 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
3178
3179         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3180
3181 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3182
3183         * config/i386/i386.md (x86_shrd): Add athlon_decode and
3184         amdfam10_decode attributes.
3185
3186 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR middle-end/43570
3189         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3190         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3191         (lower_copyprivate_clauses): Use private var in outer
3192         context instead of original var.  Make sure the types
3193         are correct for VLAs.
3194
3195 2010-04-21  Richard Guenther  <rguenther@suse.de>
3196
3197         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3198         to non-pointer objects.
3199
3200 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3201
3202         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3203         last chain entry if it starts with the still current label.
3204         (add_location_or_const_value_attribute): Check that
3205         loc_list->first->next is NULL instead of comparing ->first with ->last.
3206         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3207         to add_var_loc_to_decl.
3208
3209         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3210         >= 4 add also address size and segment size fields into CIE header.
3211
3212         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3213         long as address size is the same as sizeof (void *) and
3214         segment size is 0.
3215         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3216         address size or segment size is unexpected, return DW_EH_PE_omit.
3217         (classify_object_over_fdes): If get_cie_encoding returned
3218         DW_EH_PE_omit, return -1.
3219         (init_object): If classify_object_over_fdes returned -1,
3220         pretend there were no FDEs at all.
3221
3222 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3223
3224         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3225         bswap{si,di}2 using SWI48 mode iterator.
3226         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3227         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3228         set modrm attribute of bswap insn to 0 and remove length attribute.
3229         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3230         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3231         set mode attribute to <MODE> and remove length attribute.
3232
3233 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3234
3235         PR rtl-optimization/43520
3236         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3237         zero available registers.
3238
3239 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3240
3241         * builtins.c (fold_builtin_cproj): Fold more cases.
3242
3243 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3244
3245         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3246         (fold_builtin_1): Fold builtin cproj.
3247         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3248         Use ATTR_CONST_NOTHROW_LIST.
3249
3250 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3251
3252         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3253         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3254         ffsi2_no_cmove for !TARGET_CMOVE.
3255         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3256         (ffssi2): Remove expander.
3257         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3258         mode iterator.
3259         (ctz<mode>2): Ditto from ctz{si,di}2.
3260         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3261         mode iterator.
3262         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3263         mode iterator.
3264
3265 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3266
3267         * dwarf2out.c (AT_linkage_name): Define.
3268         (clone_as_declaration): Handle DW_AT_linkage_name.
3269         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3270         of DW_AT_MIPS_linkage_name.
3271         (move_linkage_attr): Likewise.
3272         (dwarf2out_finish): Likewise.
3273
3274 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3275
3276         PR middle-end/41952
3277         * fold-const.c (fold_comparison): New folding rule.
3278
3279 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3280
3281         * double-int.h (double_int_setbit): Declare.
3282         * double-int.c (double_int_setbit): New function.
3283         * rtl.h (immed_double_int_const): Declare.
3284         * emit-rtl.c (immed_double_int_const): New function.
3285         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3286         and immed_double_int_const functions.
3287         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3288         expand_copysign_bit):  (Ditto.).
3289         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3290         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3291         * dojump.c (prefer_and_bit_test): (Ditto.).
3292         * expr.c (convert_modes, reduce_to_bit_field_precision,
3293         const_vector_from_tree): (Ditto.).
3294         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3295
3296 2010-04-20  Jan Hubicka  <jh@suse.cz>
3297
3298         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3299         (dump_cgraph_node): Dump new flags.
3300         * cgraph.h (struct cgraph_node): Add flags
3301         reachable_from_other_partition and in_other_partition.
3302         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3303         other partition can not be removed.
3304         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3305         the other partition must be output; silence sanity checking on
3306         leaking functions bodies from other paritition.
3307         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3308         (lto_output_node): Output new flags; do not sanity check that inline
3309         clones are output; drop lto_forced_extern_inline_p code; do not mock
3310         visibility flags at partition boundaries.
3311         (add_node_to): New function.
3312         (output_cgraph): Use it to sort functions so masters appear before
3313         clones.
3314         (input_overwrite_node): Input new flags.
3315         * passes.c (ipa_write_summaries): Do not call
3316         lto_new_extern_inline_states.
3317         * lto-section-out.c (forced_extern_inline,
3318         lto_new_extern_inline_states lto_delete_extern_inline_states,
3319         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3320         * lto-streamer.h (lto_new_extern_inline_states,
3321         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3322         lto_forced_extern_inline_p): Kill.
3323
3324 2010-04-20  Richard Guenther  <rguenther@suse.de>
3325
3326         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3327         from vars that can have pointers.
3328         (process_constraint): Dump useless constraints.
3329
3330 2010-04-20  Richard Guenther  <rguenther@suse.de>
3331
3332         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3333         (dump_sa_points_to_info): Remove asserts.
3334         (init_base_vars): nothing_id isn't an escape point nor does it
3335         have pointers.
3336
3337 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3338
3339         * tree.h (TYPE_REF_IS_RVALUE): Define.
3340         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3341         should_move_die_to_comdat, prune_unused_types_walk): Handle
3342         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3343         (modified_type_die, gen_reference_type_die): Emit
3344         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3345         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3346
3347 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3348
3349         PR target/43635
3350         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3351         calls for -fpic -m31 if they have been sibcall optimized.
3352
3353 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3354
3355         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3356         ar.lc fixed and call-used.
3357
3358         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3359
3360 2010-04-19  Jan Hubicka  <jh@suse.cz>
3361
3362         * opts.c (decode_options): Disable whpr incompatible passes.
3363         * lto/lto.c (lto_1_to_1_map): Skip clones.
3364         (read_cgraph_and_symbols): Do not mark everything as needed.
3365         (do_whole_program_analysis): Do map only after optimizing;
3366         set proper cgraph_state; use passmanager.
3367
3368 2010-04-19  DJ Delorie  <dj@redhat.com>
3369
3370         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3371         POINTER_PLUS_EXPR and fix them.
3372
3373 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3374
3375         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3376         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3377         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3378         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3379         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3380         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3381         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3382         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3383         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3384         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3385         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3386
3387 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3388
3389         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3390         (check_cond_move_block): Likewise.
3391         (cond_move_process_if_block): Likewise.
3392         (noce_find_if_block): Improve formatting.
3393         (find_if_header): Pass 0 to memset and tweak conditions.
3394         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3395
3396 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3397
3398         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3399         for -gdwarf-4.
3400
3401         PR middle-end/43337
3402         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3403         with non-local decl doesn't need chain.
3404
3405 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3406
3407         * ira-color.c (allocno_reload_assign): Avoid accumulating
3408         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3409
3410 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3411
3412         * gimple.h (create_tmp_reg): Declare.
3413         * gimplify.c (create_tmp_reg): New function.
3414         (gimplify_return_expr): Use create_tmp_reg.
3415         (gimplify_omp_atomic): Likewise.
3416         (gimple_regimplify_operands): Likewise.
3417         * tree-dfa.c (make_rename_temp): Likewise.
3418         * tree-predcom.c (predcom_tmp_var): Likewise.
3419         (reassociate_to_the_same_stmt): Likewise.
3420         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3421         (get_replaced_param_substitute): Likewise.
3422         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3423         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3424         * tree-ssa-pre.c (get_representative_for): Like