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1 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
2
3         Revert:
4         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
5
6         * tree.h (build_call_list): Remove.
7         * tree.c (build_call_list): Remove.
8
9 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
10
11         * tree.h (build_call_list): Remove.
12         * tree.c (build_call_list): Remove.
13
14 2010-05-18  Jan Hubicka  <jh@suse.cz>
15
16         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
17
18 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
19
20         PR rtl-optimization/43332
21         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
22
23 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
24
25         * tree.h (build_int_cstu): Implement as static inline.
26         * tree.c (build_int_cstu): Remove function.
27         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
28         sign extended.
29
30 2010-05-18  Richard Guenther  <rguenther@suse.de>
31
32         PR lto/44143
33         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
34         (debug): Initialize from -save-temps.
35         (collect_execute): Print command-line when verbose.
36         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
37         for ltrans invocation.  Produce -dumpbase flag again.
38         (process_args): Remove.
39         (main): Simplify.
40         * collect2.c (maybe_run_lto_and_relink): Only pass object
41         files to lto-wrapper.
42         * gcc.c (LINK_COMMAND_SPEC): Likewise.
43
44 2010-05-18  Jan Hubicka  <jh@suse.cz>
45
46         * opts.c (decode_options): Do not disable whopr at ipa_cp.
47         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
48
49 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
50
51         PR lto/44184
52         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
53         in a GIMPLE_ASM.
54         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
55         in a GIMPLE_ASM.
56
57 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
58
59         PR debug/41371
60         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
61         rtx_equal_p inline.
62
63 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
64
65         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
66         lto-macho as lto_binary_reader.
67
68         * darwin.c (darwin_asm_named_section): Do not add assembler comment
69         after .section directive; just print it before the directive instead.
70
71 2010-05-17  Jan Hubicka  <jh@suse.cz>
72
73         * cgraph.c (cgraph_create_virtual_clone): Only check
74         versionable_function_p when not in wpa and checking is enabled.
75         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
76         there are no more functions to materialize.
77
78 2010-05-17  Jan Hubicka  <jh@suse.cz>
79
80         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
81         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
82         New functions.
83         (output_cgraph): Call output_cgraph_opt_summary.
84         (input_cgrpah): Call input_cgraph_opt_summary.
85         (output_cgraph_opt_summary_p, output_node_opt_summary,
86         input_node_opt_summary, input_cgraph_opt_section): New functions.
87         * lto-section-in.c (lto_section_name): Add cgraphopt.
88         * tree-inline.c (tree_function_versioning): Handle parm_num.
89         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
90         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
91
92 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
93
94         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
95         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
96         the insn to prefetch ratio heuristic to loops with known trip count.
97
98 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
99
100         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
101         (schedule_prefetches): Do not generate a prefetch if the unroll factor
102         is far from what is required by the prefetch.
103
104 2010-05-17  Jan Hubicka  <jh@suse.cz>
105
106         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
107         (ipcp_estimate_growth): Likewise.
108         (ipcp_const_param_count): Likewise.
109         (ipcp_insert_stage): Likewise.
110         * ipa-prop.c (visit_load_for_mod_analysis): New function.
111         (visit_store_addr_for_mod_analysis): Set used flag.
112         (ipa_detect_param_modifications): Set used flag for SSE params;
113         update use of walk_stmt_load_store_addr_ops.
114         (ipa_print_node_params): Print used flag.
115         (ipa_write_node_info): Stream used flag.
116         (ipa_read_node_info): Likewise.
117         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
118         (ipa_is_param_used): New function.
119         (lto_ipa_fixup_call_notes): Remove unused declaration.
120
121 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
122
123         PR target/44074
124         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
125         * configure: Regenerate.
126         * config.in: Regenerate.
127         * config/i386/i386.c (print_operand) <case ;>: Also print ; if
128         !HAVE_AS_IX86_REP_LOCK_PREFIX.
129         Don't emit whitespace.
130         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
131         (*rep_movsi): Likewise.
132         (*rep_movsi_rex64): Likewise.
133         (*rep_movqi): Likewise.
134         (*rep_movqi_rex64): Likewise.
135         (*rep_stosdi_rex64): Likewise.
136         (*rep_stossi): Likewise.
137         (*rep_stossi_rex64): Likewise.
138         (*rep_stosqi): Likewise.
139         (*rep_stosqi_rex64): Likewise.
140         (*cmpstrnqi_nz_1): Use {%;} after repz.
141         (*cmpstrnqi_nz_rex_1): Likewise.
142         (*cmpstrnqi_1): Likewise.
143         (*cmpstrnqi_rex_1): Likewise.
144         (*strlenqi_1): Use {%;} after repnz.
145         (*strlenqi_rex_1): Likewise.
146         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
147         (*sync_compare_and_swap<mode>): Likewise.
148         (sync_double_compare_and_swap<mode>): Likewise.
149         (*sync_double_compare_and_swapdi_pic): Likewise.
150         (sync_old_add<mode>): Likewise.
151         (sync_add<mode>): Likewise.
152         (sync_sub<mode>): Likewise.
153         (sync_<code><mode>): Likewise.
154
155 2010-05-17  Martin Jambor  <mjambor@suse.cz>
156
157         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
158         otr_token and polymorphic.
159         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
160         (cgraph_clone_edge): Copy the above fields.
161         * tree.c (get_binfo_at_offset): New function.
162         * tree.h (get_binfo_at_offset): Declare.
163         * ipa-prop.h (enum jump_func_type): Added known_type jump function
164         type, reordered items, updated comments.
165         (union jump_func_value): Added base_type field, reordered fields.
166         (enum ipa_lattice_type): Moved down in the file.
167         (struct ipa_param_descriptor): New field polymorphic.
168         (ipa_is_param_polymorphic): New function.
169         * ipa-prop.c: Include gimple.h and gimple-fold.h.
170         (ipa_print_node_jump_functions): Print known type jump functions.
171         (compute_complex_pass_through): Renamed to...
172         (compute_complex_assign_jump_func): this.
173         (compute_complex_ancestor_jump_func): New function.
174         (compute_known_type_jump_func): Likewise.
175         (compute_scalar_jump_functions): Create known type and complex ancestor
176         jump functions.
177         (ipa_note_param_call): New parameter polymorphic, set the corresponding
178         flag in the call note accordingly.
179         (ipa_analyze_call_uses): Renamed to...
180         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
181         variable var only in the block where it is used.
182         (ipa_analyze_virtual_call_uses): New function.
183         (ipa_analyze_call_uses): Likewise.
184         (combine_known_type_and_ancestor_jfs): Likewise.
185         (update_jump_functions_after_inlining): Implemented handling of a
186         number of new jump function types combination.
187         (print_edge_addition_message): Removed.
188         (make_edge_direct_to_target): New function.
189         (try_make_edge_direct_simple_call): Likewise.
190         (try_make_edge_direct_virtual_call): Likewise.
191         (update_call_notes_after_inlining): Renamed to...
192         (update_indirect_edges_after_inlining): this.  Moved edge creation for
193         indirect calls to try_make_edge_direct_simple_call, also calls
194         try_make_edge_direct_virtual_call for virtual calls.
195         (ipa_print_node_params): Changed the header message.
196         (ipa_write_jump_function): Stream also known type jump functions.
197         (ipa_read_jump_function): Likewise.
198         (ipa_write_indirect_edge_info): Stream new fields in
199         cgraph_indirect_call_info.
200         (ipa_read_indirect_edge_info): Likewise.
201         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
202         GIMPLE_FOLD_H.
203
204 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
205
206         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
207
208 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
209
210         * tree.h (CALL_EXPR_ARGS): Delete.
211         (call_expr_arglist): Delete.
212         * tree.c (call_expr_arglist): Delete.
213         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
214         targetm.fold_builtin.
215         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
216         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
217         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
218         arglist parameter.  Use CALL_EXPR_ARG.
219         (picochip_expand_builtin_3op): Likewise.
220         (picochip_expand_builtin_2opvoid): Likewise.
221         (picochip_expand_array_get): Likewise.
222         (picochip_expand_array_put): Likewise.
223         (picochip_expand_array_testport): Likewise.
224         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
225         rather than arglist.
226         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
227         CALL_EXPR_ARGS.
228         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
229         than TREE_VALUE and TREE_CHAIN.
230         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
231         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
232         the arglist.
233
234 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
235
236         PR bootstrap/42347
237         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
238         to have no fallthru edge.
239
240         PR middle-end/44102
241         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
242         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
243         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
244         add BARRIER after previous bb if needed.
245
246 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
247  
248         * tree.c (build_function_type_list_1): Remove bogus assert condition.
249  
250 2010-05-17  Alan Modra  <amodra@gmail.com>
251
252         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
253         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
254         with copy_reg rtx param.
255         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
256         Correct cases where code for ABI_V4 did not initialise the reg
257         used to access frame.  Also leave frame_reg_rtx as sp for large
258         frames that save no regs.
259
260 2010-05-17  Martin Jambor  <mjambor@suse.cz>
261
262         PR middle-end/44133
263         * tree-sra.c (create_access_replacement): New parameter rename, mark
264         the replaement for renaming only when it is true.
265         (get_access_replacement): Pass true in the rename parameter of
266         create_access_replacement.
267         (get_unrenamed_access_replacement): New function.
268         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
269         replacement declaration from it.
270
271 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
272
273         * function.c (try_fit_stack_local, add_frame_space): New static
274         functions.
275         (assign_stack_local_1): Use them.  Look for opportunities to use
276         space previously wasted on alignment.
277         * function.h (struct frame_space): New.
278         (struct rtl_data): Add FRAME_SPACE_LIST member.
279         * reload1.c (something_was_spilled): New static variable.
280         (alter_reg): Set it.
281         (reload): Test it in addition to testing if the frame size changed.
282
283 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
284
285         * config/s390/s390.c: Define sane prefetch settings and activate
286         flag_prefetch_loop_arrays on -O3.
287         * config/s390/s390.h: Declare that read can use write prefetch.
288
289 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
290
291         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
292         build.
293
294 2010-05-16  Jan Hubicka  <jh@suse.cz>
295
296         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
297         function body; do not check stdarg field of struct function.
298
299 2010-05-16  Jan Hubicka  <jh@suse.cz>
300
301         * cgraph.c (dump_cgraph_node): Dump versionable flag.
302         * cgraph.h (cgraph_local_info): Add versionable flag.
303         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
304         (ipcp_versionable_function_p): Use it.
305         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
306         versionable flag.
307
308 2010-05-16  Jan Hubicka  <jh@suse.cz>
309
310         * cgraph.c (cgraph_clone_node): Take decl argument and insert
311         clone into hash when it is different from orig.
312         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
313         * cgraph.h (cgraph_clone_node): Update prototype.
314         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
315         (lto_cgraph_encoder_delete): Delete body map.
316         (lto_cgraph_encoder_size): Move to header.
317         (lto_cgraph_encoder_encode_body_p,
318         lto_set_cgraph_encoder_encode_body): New.
319         (lto_output_node): Do not take written_decls argument; output clone_of
320         pointer.
321         (add_node_to): Add include_body_argument; call
322         lto_set_cgraph_encoder_encode_body on master of the clone.
323         (add_references): Update use of add_node_to.
324         (compute_ltrans_boundary): Likewise.
325         (output_cgraph): Do not create written_decls bitmap.
326         (input_node): Take nodes argument; stream in clone_of correctly.
327         (input_cgraph_1): Update use of input_node.
328         * lto-streamer-out.c (lto_output): Use encoder info to decide
329         what bodies to output.
330         * ipa-inline.c (cgraph_clone_inlined_nodes,
331         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
332         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
333         (lto_cgraph_encoder_size): Define here.
334         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
335         Declare.
336
337 2010-05-16  Richard Guenther  <rguenther@suse.de>
338
339         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
340         -fipa-type-escape.
341         * ipa-type-escape.c (gate_type_escape_vars): Run when
342         -fipa-struct-reorg runs.
343         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
344         * common.opt (fipa-type-escape): Remove.
345
346 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
347
348         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
349         (decode_options): Likewise.
350         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
351
352 2010-05-16  Jan Hubicka  <jh@suse.cz>
353
354         * ipa.c (function_and_variable_visibility): Also bring local all
355         aliases.
356
357 2010-05-16  Richard Guenther  <rguenther@suse.de>
358
359         * alias.c (nonoverlapping_memrefs_p): Remove use of
360         IPA type-escape information.
361
362 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
363
364         * c-common.c (c_common_reswords): Add _Static_assert for C.
365         * c-parser.c (c_token_starts_declaration,
366         c_parser_next_token_starts_declaration,
367         c_parser_static_assert_declaration_no_semi,
368         c_parser_static_assert_declaration): New.
369         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
370         Handle static assertions if static_assert_ok.
371         (c_parser_external_declaration, c_parser_declaration_or_fndef,
372         c_parser_compound_statement_nostart, c_parser_label,
373         c_parser_for_statement, c_parser_objc_methodprotolist,
374         c_parser_omp_for_loop): All callers of
375         c_parser_declaration_or_fndef changed.
376         (c_parser_struct_declaration): Handle static assertions.
377         (c_parser_compound_statement_nostart): Use
378         c_parser_next_token_starts_declaration and
379         c_token_starts_declaration to detect start of declarations.
380         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
381         Likewise.
382
383 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
384
385         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
386         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
387         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
388         TARGET_FUNCTION_VALUE_REGNO_P): Define.
389         (mmix_function_outgoing_value): Rename to...
390         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
391         (mmix_function_value_regno_p): Make static.
392         (mmix_libcall_value): New function.
393         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
394         mmix_function_value_regno_p): Remove declaration.
395
396 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
397
398         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
399         BUILT_IN_ALLOCA if stack checking is enabled.
400
401 2010-05-16  Richard Guenther  <rguenther@suse.de>
402
403         * var-tracking.c (vars_copy_1): Inline ...
404         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
405         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
406         (variable_merge_over_cur): Adjust.  Merge asserts.
407         (variable_merge_over_src): Likewise.
408         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
409         (variable_post_merge_new_vals): Merge asserts.
410         (variable_post_merge_perm_vals): Likewise.
411         (find_mem_expr_in_1pdv): Likewise.
412         (dataflow_set_different_value): Remove.
413         (onepart_variable_different_p): Merge asserts.
414         (variable_different_p): Likewise.
415         (dataflow_set_different_1): Inline ...
416         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
417         (emit_notes_for_differences_1): Merge asserts.
418
419 2010-05-16  Richard Guenther  <rguenther@suse.de>
420
421         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
422         * optabs.c (libfunc_decl_hash): Likewise.
423         * varasm.c (emutls_decl): Likewise.
424
425 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
426
427         * c-decl.c: Don't include gimple.h.
428         (merge_decls): Do not copy gimple_body.
429
430 2010-05-15  Jason Merrill  <jason@redhat.com>
431
432         * c.opt: Add -fnothrow-opt.
433
434 2010-05-15  Jan Hubicka  <jh@suse.cz>
435
436         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
437         analyzed.
438         * passes.c (ipa_write_summaries): Write all analyzed nodes.
439
440 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
441
442         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
443         * Makefile.in: Add it.
444         Fix all other Makefile dependencies for changes below.
445         * tree.h: Include it instead of defining VEC primitives here.
446         * gimple.h: Likewise.
447         * rtl.h: Likewise.
448         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
449         * except.h: Include vecir.h, break dependence on tree.h.
450
451         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
452         Move from here...
453         * tree-iterator.c: ...to here.
454         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
455
456         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
457         tm_p.h.
458         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
459         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
460         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
461         tree-mudflap.h, and target.h.
462         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
463         predict.h, tree-inline.h, gimple.h, and langhooks.h.
464         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
465         Add FIXME for why gimple.h is still included (should be unnecessary
466         since GCC 4.5 gimplification unit-at-a-time).
467         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
468         * c-pragma.c: Add FIXME for why function.h needs to be included just
469         for cfun, at front-end level.
470         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
471         Do not include ggc.h, but include vecprim.h for VEC(char).
472         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
473         Explain why target.h is included.
474         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
475         Explain why gimple.h is included.
476         * c-ppoutput.c: Do not include tm.h.
477         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
478         * c-parses.c: Explain why rtl.h is included, and that this (and only
479         this) is also why tm.h must be included.
480         Do not include except.h.
481         * c-lang.c: Do not include ggc.h.
482
483 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
484
485         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
486
487 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
488
489         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
490         unions by default if those structs and unions have no tags.  Do
491         not condition anonymous struct and unions handling on flag_iso.
492         Allow anonymous structs and unions for C1X.
493         (finish_struct): Do not diagnose lack of named fields when
494         anonymous structs and unions present for C1X.  Accept flexible
495         array members in structure with anonymous structs or unions but no
496         directly named fields.
497         * doc/extend.texi (Unnamed Fields): Update.
498
499 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
500
501         * gimple.h (compare_field_offset): Rename into...
502         (gimple_compare_field_offset): ...this.
503         * gimple.c (compare_field_offset): Rename into...
504         (gimple_compare_field_offset): ...this.  Compare the full access if
505         the offset is self-referential.
506         (gimple_types_compatible_p): Adjust for above renaming.
507         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
508         DECL_NONADDRESSABLE_P flag of fields before merging them.
509
510 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
511
512         * tree.h (ctor_to_list): Delete.
513         * tree.c (ctor_to_list): Delete.
514
515 2010-05-15  Jan Hubicka  <jh@suse.cz>
516
517         * ipa-reference.c: Include toplev.h
518         (is_proper_for_analysis): Only add to all_module_statics
519         if it is allocated.
520         (write_node_summary_p, stream_out_bitmap,
521         ipa_reference_write_optimization_summary,
522         ipa_reference_read_optimization_summary): New.
523         (struct ipa_opt_pass_d pass_ipa_reference): Add
524         optimization summary streaming.
525         * lto-cgraph.c (referenced_from_this_partition_p,
526         reachable_from_this_partition_p): New functions.
527         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
528         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
529         * opts.c (decode_options): Enable ipa_reference.
530         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
531         * lto-streamer.h (referenced_from_this_partition_p,
532         reachable_from_this_partition_p): Declare.
533
534 2010-05-15  Richard Guenther  <rguenther@suse.de>
535
536         PR tree-optimization/44038
537         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
538         taking the address of a V_C_E of a constant.
539
540 2010-05-14  Jan Hubicka  <jh@suse.cz>
541
542         * tree.h (memory_identifier_string): Remove.
543         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
544         (ipa_reference_global_vars_info_d): Remove statics_not_read and
545         statics_not_written.
546         (ipa_reference_optimization_summary_d): New structure.
547         (ipa_reference_optimization_summary_t): New type and vector.
548         (ipa_reference_vars_info_d): Embedd structures instead of using
549         pointers.
550         (reference_vars_to_consider): Remove out of GGC space.
551         (module_statics_escape): Remove.
552         (global_info_obstack): Rename to ...
553         (optimization_summary_obstack): ... this one.
554         (initialization_status_t): Remove.
555         (memory_identifier_string): Remove.
556         (get_reference_vars_info): Fix indenting.
557         (set_reference_vars_info): Likewise.
558         (get_reference_optimization_summary): New.
559         (set_reference_optimization_summary): New.
560         (get_global_reference_vars_info): Remove.
561         (ipa_reference_get_read_global): Remove.
562         (ipa_reference_get_written_global): Remove.
563         (ipa_reference_get_not_read_global): Update.
564         (ipa_reference_get_not_written_global): Update.
565         (is_proper_for_analysis): Outlaw addressable.
566         (propagate_bits): Update for new datastructures.
567         (analyze_variable): Remove.
568         (init_function_info): Update for new datastructures.
569         (clean_function_local_data): Remove.
570         (clean_function): Remove.
571         (copy_global_bitmap): Use optimizations_summary_obstack.
572         (duplicate_node_data): Duplicate optimization summary only.
573         (remove_node_data): Remove optimization summary only.
574         (generate_summary): Do not analyze variables; do not compute
575         module_statics_escape; do not prune solutions by it.
576         (read_write_all_from_decl): Fix typos in comments.
577         (propagate): Doscover readonly and nonaddressable first;
578         update for new datastructures; share global bitmaps.
579         * ipa-reference.h (ipa_reference_get_read_global,
580         ipa_reference_get_written_global): Remove.
581         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
582         * Makefile.in: Remove ipa-refereference from GT files.
583
584 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
585
586         PR debug/44112
587         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
588         for all SYMBOL_REF_DECLs.
589
590 2010-05-14  Jan Hubicka  <jh@suse.cz>
591
592         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
593         (varpool_all_refs_explicit_p): New inline function.
594         * ipa-reference.c: Update comment.
595         (module_statics_written): Remove.
596         (get_static_decl): Remove.
597         (ipa_init): Do not initialize module_statics_written.
598         (analyze_function): Likewise.
599         (generate_summary): Likewise; do not compute module_statics_readonly
600         and do not update variable flags.
601         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
602         * ipa.c: Inlucde flags.h
603         (cgraph_local_node_p): New.
604         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
605         promote functions to local.
606         (ipa_discover_readonly_nonaddressable_vars): New function.
607         (function_and_variable_visibility): Use cgraph_local_node_p.
608         * varpool.c (varpool_finalize_decl): Set force_output for
609         DECL_PRESERVE_P vars.
610
611 2010-05-14  Jan Hubicka  <jh@suse.cz>
612
613         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
614
615 2010-05-14  Richard Guenther  <rguenther@suse.de>
616
617         PR tree-optimization/44119
618         * tree-ssa-pre.c (eliminate): Properly mark replacement of
619         a PHI node necessary.
620
621 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
622
623         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
624
625 2010-05-14  Jason Merrill  <jason@redhat.com>
626
627         PR c++/44127
628         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
629         (gimple_call_set_nothrow): New.
630         * gimple.c (gimple_build_call_from_tree): Call it.
631         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
632
633         PR c++/44127
634         * gimplify.c (gimplify_seq_add_stmt): No longer static.
635         * gimple.h: Declare it.
636         * gimple.c (gimple_build_eh_filter): No ops.
637
638 2010-05-14  Jan Hubicka  <jh@suse.cz>
639
640         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
641         nodes already in queue.
642         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
643         re-enqueueing node.
644
645 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
646
647         PR debug/44136
648         * cfgexpand.c (expand_debug_expr): If non-memory op0
649         has BLKmode, return NULL.
650
651 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
652
653         * config.gcc: Add support for --with-cpu option for bdver1.
654         * config/i386/i386.h (TARGET_BDVER1): New macro.
655         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
656         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
657         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
658         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
659         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
660         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
661         (processor_type): Add PROCESSOR_BDVER1.
662         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
663         processor_type in config/i386/i386.h.
664         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
665         movaps <reg, reg> instead of movapd <reg, reg> when replacing
666         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
667         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
668         to emit packed xor instead of packed double/packed integer
669         xor for SSE and AVX when moving a zero value.
670         * config/i386/sse.md: Add check for
671         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
672         movapd/movdqa for SSE and AVX.
673         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
674         single logical operations i.e and, or and xor instead of packed double
675         logical operations for SSE and AVX.
676         * config/i386/i386-c.c (ix86_target_macros_internal):
677         Add PROCESSOR_BDVER1.
678         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
679         (has_fma4, has_xop): New.
680         * config/i386/i386.c (bdver1_cost): New variable.
681         (m_BDVER1): New macro.
682         (m_AMD_MULTIPLE): Add m_BDVER1.
683         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
684         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
685         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
686         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
687         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
688         x86_tune_sse_partial_reg_dependency,
689         x86_tune_sse_unaligned_load_optimal,
690         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
691         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
692         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
693         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
694         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
695         Enable/disable for bdver1.
696         (processor_target_table): Add bdver1_cost.
697         (cpu_names): Add bdver1.
698         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
699          processor_alias_table.
700         (ix86_expand_vector_move_misalign): Change.
701         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
702         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
703         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
704         of movupd/movdqu for SSE and AVX.
705         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
706         (ix86_tune_adjust_cost): Add code for bdver1.
707         (standard_sse_constant_opcode): Add check for
708         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
709         of packed double xor for SSE and AVX.
710
711 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
712
713         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
714         result to unsigned.
715
716 2010-05-14  Tristan Gingold  <gingold@adacore.com>
717
718         * toplev.c (default_debug_hooks): Remove this variable.
719         (process_options): Remove assignments to default_debug_hooks.
720
721 2010-05-14  Martin Jambor  <mjambor@suse.cz>
722
723         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
724         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
725         * langhooks.h (struct lang_hooks_for_decls): Removed field
726         fold_obj_type_ref.
727         * tree.c (free_lang_data): Remove assignment to
728         lang_hooks.fold_obj_type_ref.
729         * tree.def (OBJ_TYPE_REF): Update comment.
730
731 2010-05-14  Richard Guenther  <rguenther@suse.de>
732
733         PR tree-optimization/44124
734         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
735
736 2010-05-14  Alan Modra  <amodra@gmail.com>
737
738         PR target/44075
739         * config/rs6000/rs6000.c (struct machine_function): Reorder
740         fields for better packing.  Add lr_save_state.
741         (rs6000_ra_ever_killed): Return lr_save_state if set.
742         (rs6000_emit_eh_reg_restore): Set lr_save_state.
743
744 2010-05-13  Jan Hubicka  <jh@suse.cz>
745
746         * varpool.c (decide_is_variable_needed): Drop code checking
747         TREE_SYMBOL_REFERENCED.
748
749 2010-05-13  Jan Hubicka  <jh@suse.cz>
750
751         * final.c (output_addr_const): Do not call mark_decl_referenced.
752         * cgraphunit.c (process_function_and_variable_attributes): Use
753         mark_needed_node dirrectly.
754         (assemble_thunk): Do not call mark_decl_referenced.
755
756 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
757
758         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
759
760 2010-05-13  Jeff Law  <law@redhat.com>
761
762         * ira-conflicts.c (print_allocno_conflicts): New function broken out
763         from...
764         (print_conflicts): Call print_allocno_conflicts.
765
766 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
767
768         PR debug/44104
769         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
770         if it is NULL.
771
772 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
773
774         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
775         t-mingw-w64 or t-mingw-w32 for multilib configuration.
776         * config/i386/t-mingw-w32: New.
777         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
778
779 2010-05-13  Martin Jambor  <mjambor@suse.cz>
780
781         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
782         gimple-fold.c).
783         * gimple-fold.c (get_base_binfo_for_type): New function.
784         (gimple_get_relevant_ref_binfo): Likewise.
785         (gimple_fold_obj_type_ref_known_binfo): Likewise.
786         (gimple_fold_obj_type_ref): Likewise.
787         (fold_gimple_call): Simplify condition for folding virtual calls
788         and call gimple_fold_obj_type_ref.
789         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
790         (gimple_fold_obj_type_ref_known_binfo): Likewise.
791
792 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
793
794         * config/rs6000/rs6000-protos.h
795         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
796         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
797         (rs6000_debug_mode_dependent_address)
798         (rs6000_mode_dependent_address_ptr): Likewise.
799
800 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
801
802         PR debug/43983
803         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
804         by SRA.
805         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
806         * tree-sra.c (create_access_replacement): Call unshare_expr before
807         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
808         * dwarf2out.c: Include tree-flow.h.
809         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
810         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
811         Handle DW_OP_bit_piece.
812         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
813         construct_piece_list, adjust_piece_list): New functions.
814         (add_var_loc_to_decl): Handle SRA optimized variables.
815         Adjust for var_loc_note to loc field renaming.
816         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
817         in VAR_LOCATION note.
818         (new_loc_descr_op_bit_piece): New function.
819         (dw_sra_loc_expr): New function.
820         (dw_loc_list): Use it.  Don't handle the last range after the
821         loop, handle it inside of the loop.  Adjust for var_loc_note
822         to loc field renaming.
823         (add_location_or_const_value_attribute): Only special case
824         single entry loc lists if loc is NOTE_P.  Adjust for
825         var_loc_note to loc field renaming.
826         (dwarf2out_var_location): Don't set newloc->var_loc_note
827         and newloc->next here.
828
829 2010-05-12  Jan Hubicka  <jh@suse.cz>
830
831         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
832         flag.
833         * cgraph.h (cgraph_only_called_directly_p,
834         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
835         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
836         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
837         (assemble
838         * ipa.c (cgraph_remove_unreachable_nodes): Use
839         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
840         flags.
841         * tree-inline.c (copy_bb): Check address_taken flag.
842         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
843         externally_visible flag.
844
845 2010-05-12  Jason Merrill  <jason@redhat.com>
846
847         PR bootstrap/44048
848         PR target/44099
849         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
850         * sdbout.c (plain_type_1): Likewise.
851         * dwarf2out.c (is_base_type): Likewise.
852         (gen_type_die_with_usage): Likewise.  Generate
853         DW_TAG_unspecified_type for any LANG_TYPE.
854
855 2010-05-12  Jan Hubicka  <jh@suse.cz>
856
857         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
858         indrect edges too.
859         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
860         (cgraph_clone_edge): Update.
861         (cgraph_node_remove_callees): Remove indirect calls too.
862         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
863         (cgraph_create_indirect_edge): Update prototype.
864         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
865         is_proper_for_analysis.
866         (add_new_function, visited_nodes, function_insertion_hook_holder,
867         get_local_reference_vars_info, mark_address_taken, mark_address,
868         mark_load, mark_store, check_asm_memory_clobber, check_call,
869         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
870         (ipa_init): Do not initialize visited_nodes;
871         function_insertion_hook_holder.
872         (analyze_variable): Rewrite.
873         (analyze_function): Rewrite.
874         (copy_local_bitmap): Remove.
875         (duplicate_node_dat): Do not duplicate local info.
876         (generate_summary): Simplify to only walk cgraph.
877         (write_node_summary_p, ipa_reference_write_summary,
878         ipa_reference_read_summary): Remove.
879         (propagate): Do not remove function insertion;
880         generate summary.
881         (pass_ipa_reference): NULLify summary handling fields.
882         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
883         (input_edge): Input ecf_flags.
884         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
885         (update_indirect_edges_after_inlining): Ignore edges with unknown
886         param.
887
888 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
889
890         * implicit-zee.c: New file.
891         * tree-pass.h (pass_implicit_zee): Declare.
892         * passes.c (init_optimization_passes): Add zee pass.
893         * common.opt (fzee): New flag.
894         * timevar.def (TV_ZEE): Define.
895         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
896         and beyond.
897         * Makefile.in (implicit-zee.o): Add new build file.
898
899 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
900             Nathan Froyd  <froydnj@codesourcery.com>
901
902         * c-common.c (sync_resolve_params): Remove write-only variable.
903
904 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
905
906         * target.h (struct gcc_target): Add mode_dependent_address_p field.
907         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
908         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
909         * targhooks.c (default_mode_dependent_address_p): New function.
910         * targhooks.h (default_mode_dependent_address_p): Declare function.
911         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
912         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
913         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
914         target hook. Change return type to bool.
915         * recog.h: (mode_dependent_address_p): Change return type to bool.
916
917 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
918             Nathan Froyd  <froydnj@codesourcery.com>
919
920         * tree-mudflap.c (build_function_type_0, build_function_type_1,
921         build_function_type_2, build_function_type_3): Remove.
922         (mudflap_init): Use build_function_type_list.
923
924 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
925             Nathan Froyd  <froydnj@codesourcery.com>
926
927         * coverage.c (build_fn_info_value): Call build_constructor instead of
928         build_constructor_from_list.
929         (build_ctr_info_value): Likewise.
930         (build_gcov_info): Likewise.
931
932 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
933
934         * tree.c (build_constructor): Compute TREE_CONSTANT for the
935         resultant constructor.
936         (build_constructor_single): Don't set TREE_CONSTANT.
937         (build_constructor_from_list): Don't compute TREE_CONSTANT.
938
939 2010-05-12  Jan Hubicka  <jh@suse.cz>
940
941         * cgraph.h (struct varpool_node): Add aux.
942         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
943         * varpool.c (varpool_remove_node): Do not remove initializer.
944         (varpool_reset_queue): Export.
945         (varpool_finalize_decl): Volatile vars are forced to be output.
946         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
947         replaced decl.
948         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
949         process_references, varpool_can_remove_if_no_refs): New functions.
950         (cgraph_remove_unreachable_nodes): Handle variables too.
951
952 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
953
954         PR target/44088
955         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
956
957 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
958
959         PR middle-end/44085
960         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
961         change value of ORT_TASK.
962         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
963         (omp_notice_threadprivate_variable): New function.
964         (omp_notice_variable): Call it for threadprivate variables.
965         If enclosing ctx is a task, print enclosing task rather than
966         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
967         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
968         if task has untied clause.
969
970         PR debug/42278
971         * dwarf2out.c (base_type_die): Don't add name attribute here.
972         (modified_type_die): Instead of sizetype use
973         its underlying original type.  If a DW_TAG_base_type doesn't
974         have name added, add __unknown__.
975         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
976         always call force_type_die instead.
977
978 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
979
980         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
981         for __stack_chk_guard.
982
983 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
984
985         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
986         don't call start_source_file debug hook here...
987         (finish_options): ... but here, after outputting predefined and
988         command line defines and undefs.
989
990         PR middle-end/44071
991         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
992         no fallthru edge.
993         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
994         optimizing away empty bb with no successors, move over its
995         footer chain to fallthru predecessor.
996         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
997         (rtl_split_edge): For asm goto call patch_jump_insn even if
998         splitting fallthru edge.
999
1000         PR c++/44059
1001         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
1002         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
1003         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1004         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
1005         on DW.ref.* decls.
1006
1007         PR c++/44062
1008         * c-parser.c (c_parser_expression): Mark LHS of a comma
1009         expression as read if it is a decl, handled component or
1010         COMPOUND_EXPR with that on the RHS.
1011         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
1012         if it is a decl or handled component.
1013
1014 2010-05-11  Jan Hubicka  <jh@suse.cz>
1015
1016         * lto-symtab.c (lto_symtab_free): New function.
1017         * lto-streamer.h (lto_symtab_free): Declare.
1018
1019 2010-05-11  Jan Hubicka  <jh@suse.cz>
1020
1021         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
1022         that if function is needed it is reachable.
1023         (lto_output_node): See if it the function is reachable or referenced.
1024         (output_cgraph): Update call of lto_output_node.
1025         * lto-streamer.h (reachable_from_other_partition_p): Declare.
1026
1027 2010-05-11  Jan Hubicka  <jh@suse.cz>
1028
1029         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
1030         Mark as used.
1031
1032 2010-05-11  Jan Hubicka  <jh@suse.cz>
1033
1034         PR tree-optimize/44063
1035         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
1036         queue.
1037         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
1038         limits.
1039         (estimate_function_body_sizes): Compute sizes even when disregarding.
1040
1041 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
1042
1043         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
1044
1045 2010-05-11  Jan Hubicka  <jh@suse.cz>
1046
1047         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1048         into every boundary.
1049
1050 2010-05-11  Jan Hubicka  <jh@suse.cz>
1051
1052         * matrix-reorg.c (matrix_reorg): Rebuild edges.
1053
1054 2010-05-11  Jan Hubicka  <jh@suse.cz>
1055
1056         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1057         lto_streamer_cache_delete): Put nodes into heap.
1058         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1059         heap.
1060
1061 2010-05-11  Jan Hubicka  <jh@suse.cz>
1062
1063         * cgraphbuild.c (cgraph_rebuild_references): New.
1064         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1065         out extern inlines.
1066         * cgraph.h (cgraph_rebuild_references): Declare.
1067         * tree-inline.c (tree_function_versioning): Use it.
1068         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1069
1070 2010-05-11  Jan Hubicka  <jh@suse.cz>
1071
1072         * cgraph.c: Include ipa-utils.h
1073         (cgraph_create_virtual_clone): Update references.
1074         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1075
1076 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1077
1078         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1079         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1080         cache size.
1081
1082 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1083
1084         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1085
1086 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1087
1088         * gcc.c (execute): For -### don't quote arguments that
1089         contain just alphanumerics and _/-. characters.
1090         * doc/invoke.texi: Document that change for -###.
1091
1092         PR debug/44023
1093         * df-problems.c (struct dead_debug): Add to_rescan field.
1094         (dead_debug_init): Clear to_rescan field.
1095         (dead_debug_finish): Rescan all debug insns in to_rescan
1096         bitmap and free the bitmap.
1097         (dead_debug_insert_before): Instead of rescanning debug insns
1098         immediately queue their rescanning until dead_debug_finish.
1099         (df_note_bb_compute): After dead_debug_add do continue instead
1100         of break.
1101
1102 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
1103
1104         PR debug/44028
1105         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1106         clear also INSN_REG_USE_LIST.
1107
1108 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1109
1110         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1111
1112 2010-05-10  Jan Hubicka  <jh@suse.cz>
1113
1114         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1115         commited change.
1116
1117 2010-05-10  Jan Hubicka  <jh@suse.cz>
1118
1119         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1120         Allocate encoders.
1121         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1122         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1123         (lto_streamer_cache_create): Init alloc pool.
1124         (lto_streamer_cache_delete): Free alloc pool.
1125         * lto-streamer.h: Include alloc pool.
1126         (lto_streamer_cache_d): Use alloc pool.
1127         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1128
1129 2010-05-10  Jan Hubicka  <jh@suse.cz>
1130
1131         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1132         * cgraphbuild.c: Include except.h
1133         (record_type_list, record_eh_tables): New function.
1134         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1135
1136 2010-05-10  Jan Hubicka  <jh@suse.cz>
1137
1138         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1139         __frame_dummy_init_array_entry, force_to_data): Attribute as used
1140         rather than unused.
1141
1142 2010-05-10  Michael Matz  <matz@suse.de>
1143
1144         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1145         (can_reassociate_p): Use FLOAT_TYPE_P.
1146         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1147         (vect_force_simple_reduction): ... this.
1148         * tree-parloops.c (gather_scalar_reductions): Use
1149         vect_force_simple_reduction.
1150         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1151         vect_is_simple_reduction, add modify argument, if true rewrite
1152         "a-b" into "a+(-b)".
1153         (vect_is_simple_reduction, vect_force_simple_reduction): New
1154         functions.
1155         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1156
1157 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1158             Vladimir Makarov  <vmakarov@redhat.com>
1159
1160         PR rtl-optimization/44012
1161         * ira-build.c (remove_unnecessary_allocnos): Nullify
1162         regno_allocno_map of the removed allocno.
1163
1164 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1165
1166         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1167         to /dev/null.
1168         * configure: Regenerate.
1169
1170 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1171
1172         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1173         unused.
1174         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1175         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1176         support in Sun ld.
1177         * configure: Regenerate.
1178
1179 2010-05-10  Richard Guenther  <rguenther@suse.de>
1180
1181         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1182         marked if the entry identifier is marked.
1183
1184 2010-05-10  Richard Guenther  <rguenther@suse.de>
1185
1186         * c-common.c (struct c_common_attributes): Add fnspec attribute.
1187         (handle_fnspec_attribute): New function.
1188         * gimple.h (gimple_call_return_flags): Declare.
1189         (gimple_call_arg_flags): Likewise.
1190         * gimple.c (gimple_call_arg_flags): New function.
1191         (gimple_call_return_flags): Likewise.
1192         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1193         New argument flags.
1194         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1195         return value flags.
1196         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1197         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1198         main work to ...
1199         (make_heapvar_for): ... this new function.
1200         (handle_rhs_call): Handle fnspec attribute argument specifiers.
1201         (handle_lhs_call): Likewise.
1202         (find_func_aliases): Adjust.
1203
1204 2010-05-10  Richard Guenther  <rguenther@suse.de>
1205
1206         PR tree-optimization/44050
1207         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1208
1209 2010-05-10  Wei Guozhi  <carrot@google.com>
1210
1211         PR target/42879
1212         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1213
1214 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1215
1216         PR c/10676
1217         * c-typeck.c (lookup_field): Take a type directly.  Update
1218         recursive calls.
1219         (build_component_ref): Update call to lookup_field.
1220         (set_init_label): Use lookup_field to find initialized field.
1221         Handle returned list of fields like a sequence of designators.
1222
1223 2010-05-09  Richard Guenther  <rguenther@suse.de>
1224
1225         PR middle-end/44024
1226         * fold-const.c (tree_single_nonzero_warnv_p): Properly
1227         handle &FUNCTION_DECL.
1228
1229 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1230
1231         PR c/4784
1232         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
1233         structures and unions recursively.
1234         (detect_field_duplicates): Move duplicate detection with a hash to
1235         detect_field_duplicates_hash.  Always use a hash if anonymous
1236         structures or unions are present.
1237         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1238         give errors.
1239
1240 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1241
1242         PR target/44046
1243         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1244         detect Atom, Core 2 and Core i7.
1245
1246 2010-05-09  Richard Guenther  <rguenther@suse.de>
1247
1248         * gcc.c (store_arg): Handle temporary file deletion for
1249         joined arguments.
1250
1251 2010-05-09  Richard Guenther  <rguenther@suse.de>
1252
1253         PR middle-end/44043
1254         * ipa-inline.c (estimate_function_body_sizes): Return after
1255         disregarding inline limits.
1256
1257 2010-05-09  Richard Guenther  <rguenther@suse.de>
1258
1259         * gcc.c (store_arg): Revert last change.
1260
1261 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1262
1263         PR middle-end/28685
1264         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1265         (optimize_ops_list): Call it.
1266
1267 2010-05-08  Richard Guenther  <rguenther@suse.de>
1268
1269         PR tree-optimization/44030
1270         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1271         NECESSARY flag if we propagate from a inserted expression.
1272
1273 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1274
1275         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1276         domain types as equal if they are both PLACEHOLDER_EXPRs.
1277
1278 2010-05-08  Richard Guenther  <rguenther@suse.de>
1279
1280         * lto-wrapper.c (run_gcc): Remove linker output from
1281         command line for LTRANS invocation.
1282
1283 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1284
1285         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1286         lto-macho as lto_binary_reader.
1287         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1288         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1289         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1290         in lto_start and lto_end calls.
1291         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1292         magic numbers.
1293         (scan_prog_file): Update is_elf_or_coff call.
1294         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1295
1296         * collect2.c (main): Fix enum comparison.
1297
1298         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1299         Add prototypes.
1300         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1301         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1302         and TARGET_ASM_LTO_END.
1303         * darwin.c: Include obstack.h and lto-streamer.h.
1304         (lto_section_names_offset, lto_section_names_obstack,
1305         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1306         global variables.
1307         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1308         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1309         to a temporary file.
1310         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1311         (darwin_asm_named_section): For LTO sections, replace the name with
1312         the offset of the section name in a string table, and build this
1313         table.
1314         (darwin_file_start): Initialize global vars for LTO support.
1315         (darwin_file_end): If output to asm_out_file was redirected, append it
1316         to the proper asm_out_file here.  Add the section names section.
1317
1318 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1319
1320         * c-pragma.c (pending_weak_d, pending_weak): New.
1321         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1322         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1323         handle_pragma_weak): Update the uses of pending_weaks.
1324
1325 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1326
1327         PR documentation/44016
1328         * doc/standards.texi (Standards): Link to unversioned
1329         cxx0x_status.html page.
1330
1331 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1332
1333         PR target/43708
1334         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1335         in addition to TREE_USED, to avoid "set but unused" warnings.
1336
1337 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1338
1339         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1340         (is_loop_prefetching_profitable): Do not insert prefetches
1341         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1342         times the prefetch ahead distance.
1343
1344 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1345
1346         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1347         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1348         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1349         the unroll_factor.
1350
1351 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1352
1353         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1354         a diagnostic info when the insn-to-mem ratio is too small.
1355
1356 2010-05-07  Richard Guenther <rguenther@suse.de>
1357
1358         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1359         the linker plugin.
1360         (store_arg): Queue temp_filename for deletion instead of
1361         the whole argument.
1362
1363 2010-05-07  Richard Guenther  <rguenther@suse.de>
1364
1365         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1366         (run_gcc): Handle LTRANS phase invocation.
1367         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1368
1369 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1370
1371         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1372         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1373
1374 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1375
1376         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1377
1378 2010-05-07  Richard Guenther  <rguenther@suse.de>
1379
1380         PR tree-optimization/44020
1381         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1382         code when PRE is not yet initialized.
1383
1384 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1385
1386         * config/mips/dbxmdebug.h: Remove.
1387         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1388
1389 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1390
1391         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1392         with null pointer and also warn about ordered comparison of zero with
1393         pointer if -Wextra.
1394
1395 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1396
1397         * graphite-blocking.c
1398         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1399         * graphite-clast-to-gimple.c
1400         (clast_to_gcc_expression): Same.
1401         (precision_for_value): Same.
1402         (precision_for_interval): Same.
1403         (gcc_type_for_interval): Same.
1404         (graphite_create_new_guard): Same.
1405         (compute_bounds_for_level): Same.
1406         (graphite_create_new_loop_guard): Same.
1407         * graphite-interchange.c
1408         (build_linearized_memory_access): Same.
1409         (pdr_stride_in_loop): Same.
1410         (memory_strides_in_loop_1): Same.
1411         (memory_strides_in_loop): Same.
1412         (extend_scattering): Same.
1413         (psct_scattering_dim_for_loop_depth): Same.
1414         (pbb_number_of_iterations): Same.
1415         * graphite-poly.h
1416         (debug_iteration_domains): Same.
1417         * graphite-ppl.c
1418         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1419         (ppl_set_inhomogeneous_gmp): Same.
1420         (ppl_strip_loop): Same.
1421         (ppl_lexico_compare_linear_expressions): Same.
1422         (ppl_read_polyhedron_matrix): Same.
1423         (ppl_max_for_le_pointset): Same.
1424         * graphite-ppl.h
1425         (ppl_read_polyhedron_matrix): Same.
1426         (tree_int_to_gmp): Same.
1427         (gmp_cst_to_tree): Same.
1428         (ppl_set_inhomogeneous): Same.
1429         (ppl_set_inhomogeneous_tree): Same.
1430         (ppl_set_coef): Same.
1431         (ppl_set_coef_tree): Same.
1432         * graphite-sese-to-poly.c
1433         (build_pbb_scattering_polyhedrons): Same.
1434         (build_scop_scattering): Same.
1435         (scan_tree_for_params_right_scev): Same.
1436         (scan_tree_for_params): Same.
1437         (find_params_in_bb): Same.
1438         (find_scop_parameters): Same.
1439         (add_upper_bounds_from_estimated_nit): Same.
1440         (build_loop_iteration_domains): Same.
1441         (add_condition_to_domain): Same.
1442         (pdr_add_memory_accesses): Same.
1443
1444 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1445
1446         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1447         CLooG's value_* macros to their respective mpz_* counterparts.
1448         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1449         (graphite_create_new_loop_guard): Same.
1450         * graphite-interchange.c (build_linearized_memory_access): Same.
1451         (pdr_stride_in_loop): Same.
1452         (memory_strides_in_loop_1): Same.
1453         (1st_interchange_profitable_p): Same.
1454         * graphite-poly.c (extend_scattering): Same.
1455         (psct_scattering_dim_for_loop_depth): Same.
1456         (pbb_number_of_iterations): Same.
1457         (pbb_number_of_iterations_at_time): Same.
1458         * graphite-poly.h (new_1st_loop): Same.
1459         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1460         (oppose_constraint): Same.
1461         (insert_constraint_into_matrix): Same.
1462         (ppl_set_inhomogeneous_gmp): Same.
1463         (ppl_set_coef_gmp): Same.
1464         (ppl_strip_loop): Same.
1465         (ppl_lexico_compare_linear_expressions): Same.
1466         (ppl_max_for_le_pointset): Same.
1467         (ppl_min_for_le_pointset): Same.
1468         (ppl_build_realtion): Same.
1469         * graphite-ppl.h (gmp_cst_to_tree): Same.
1470         (ppl_set_inhomogeneous): Same.
1471         (ppl_set_inhomogeneous_tree): Same.
1472         (ppl_set_coef): Same.
1473         (ppl_set_coef_tree): Same.
1474         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1475         (build_scop_scattering): Same.
1476         (add_value_to_dim): Same.
1477         (scan_tree_for_params_right_scev): Same.
1478         (scan_tree_for_params_int): Same.
1479         (scan_tree_for_params): Same.
1480         (find_params_in_bb): Same.
1481         (find_scop_parameters): Same.
1482         (add_upper_bounds_from_estimated_nit): Same.
1483         (build_loop_iteration_domains): Same.
1484         (create_linear_expr_from_tree): Same.
1485         (add_condition_to_domain): Same.
1486         (pdr_add_memory_accesses): Same.
1487
1488 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1489             Jason Merrill  <jason@redhat.com>
1490
1491         * c-common.c (c_common_reswords): Add nullptr.
1492         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1493         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1494         (gen_type_die_with_usage): Likewise.
1495         * dbxout.c (dbxout_type): Likewise.
1496         * sdbout.c (plain_type_1): Likewise.
1497
1498 2010-05-06  Jason Merrill  <jason@redhat.com>
1499
1500         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1501         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1502         ret appropriately.
1503         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1504
1505         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1506         stripping WITH_SIZE_EXPR.
1507         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1508         change.
1509
1510 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1511
1512         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1513         list of obsolete configurations.
1514         Disabled check for obsolete configurations.
1515         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1516         Removed support for previous versions.
1517         * config/mips/iris.h: Removed.
1518         * config/mips/iris5.h: Removed.
1519         * config/mips/iris6.h: Merged old iris.h contents.
1520         (TARGET_IRIX): Removed.
1521         (DRIVER_SELF_SPECS): Removed mabi=32.
1522         (IDENT_ASM_OP): Removed undef.
1523         (STARTFILE_SPEC): Removed mabi=32.
1524         (ENDFILE_SPEC): Likewise.
1525         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1526         (MACHINE_TYPE): Update for IRIX 6.5.
1527         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1528         TARGET_IRIX by TARGET_IRIX6.
1529         (mips_file_start): Likewise.
1530         (mips_output_external): Remove IRIX 5/6 O32 support.
1531         (mips_output_function_prologue): Likewise.
1532         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1533         TARGET_IRIX6.
1534         (TARGET_CPU_CPP_BUILTINS): Likewise.
1535         (TARGET_IRIX): Removed.
1536         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1537         (MULTILIB_DIRNAMES): Removed 32.
1538         (MULTILIB_OSDIRNAMES): Removed ../lib.
1539         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1540         (Specific, mips-sgi-irix5): Document removal.
1541         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1542         Remove references to older IRIX 6 releases and the O32 ABI.
1543
1544 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1545
1546         PR bootstrap/43994
1547         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1548         instead of DF_REF_REAL_REG.
1549
1550 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1551
1552         PR target/43888
1553         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1554         handling to still return true for x64 targets.
1555
1556 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1557
1558         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1559
1560 2010-05-06  Jan Hubicka  <jh@suse.cz>
1561
1562         PR tree-optimization/43791
1563         * ipa-inline.c (update_caller_keys): Remove bogus
1564         disregard_inline_limits check.
1565
1566 2010-05-06  Michael Matz  <matz@suse.de>
1567
1568         PR tree-optimization/43984
1569         * tree-ssa-pre.c (inserted_phi_names): Remove.
1570         (inserted_exprs): Change to bitmap.
1571         (create_expression_by_pieces): Set bits, don't append to vector.
1572         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1573         (eliminate): Don't look at inserted_phi_names, remove deleted
1574         insns from inserted_exprs.
1575         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1576         (init_pre, fini_pre): Allocate and free bitmaps.
1577         (execute_pre): Insert insns on edges before elimination.
1578
1579 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1580
1581         * tree.c (initializer_zerop): Handle STRING_CST.
1582
1583 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1584
1585         PR 40989
1586         * doc/invoke.texi (Wimplicit): Document as C only.
1587         * opts.c (common_handle_option): Add argument kind.
1588         (handle_option): Rename as read_cmdline_option. Factor out code to...
1589         (handle_option): ... here. New.
1590         (handle_options): Rename as read_cmdline_options.
1591         (decode_options): Update call.
1592         (set_option): Use option index instead of option pointer. Classify
1593         diagnostics correctly.
1594         (enable_warning_as_error): Call handle_option.
1595         * opts.h (set_option): Update declaration.
1596         (handle_option): Declare.
1597         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1598         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1599         * c-opts.c (set_Wimplicit): Delete.
1600         (c_family_lang_mask): New static constant.
1601         (c_common_handle_option): Add argument kind. Use handle_option
1602         instead of set_Wimplicit.
1603         (c_common_post_options): warn_implicit and warn_implicit_int
1604         are disabled by default.
1605         * c-common.c (warn_implicit): Do not define here.
1606         * c-common.h (warn_implicit): Do not declare here.
1607         (c_common_handle_option): Update declaration.
1608         * lto-opts.c (lto_reissue_options): Update call to set_option.
1609
1610 2010-05-06  Richard Guenther  <rguenther@suse.de>
1611
1612         PR tree-optimization/43571
1613         * domwalk.c (walk_dominator_tree): Walk the dominator
1614         sons in more optimal order.
1615
1616 2010-05-06  Richard Guenther  <rguenther@suse.de>
1617
1618         PR tree-optimization/43934
1619         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1620         (stmt_cost): Likewise.
1621         (extract_true_false_args_from_phi): New helper.
1622         (determine_max_movement): For PHI nodes verify we can hoist them
1623         and compute their cost.
1624         (determine_invariantness_stmt): Handle PHI nodes.
1625         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1626         if-converted form using COND_EXPRs.
1627         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1628         (tree_ssa_lim): Likewise.
1629         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1630         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1631
1632 2010-05-06  Richard Guenther  <rguenther@suse.de>
1633
1634         PR tree-optimization/43987
1635         * tree-ssa-structalias.c (could_have_pointers): For possibly
1636         address-taken variables force pointers to be recorded.
1637         (create_variable_info_for_1): Likewise.
1638         (push_fields_onto_fieldstack): Pass in wheter all fields
1639         must have pointers.
1640         (find_func_aliases): Query types instead of vars whether
1641         they contain pointers where appropriate.
1642
1643 2010-05-06  Jan Hubicka  <jh@suse.cz>
1644
1645         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1646         (record_reference, mark_address, mark_load, mark_store): Record
1647         references.
1648         (record_references_in_initializer): Update call of record_references.
1649         (rebuild_cgraph_edges): Remove all references before rebuiding.
1650         * cgraph.c (cgraph_create_node): Clear ref list.
1651         (cgraph_remove_node): Remove references.
1652         (dump_cgraph_node): Dump references.
1653         (cgraph_clone_node): Clone references.
1654         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1655         (struct cgraph_node, varpool_node): Add ref_lst.
1656         * ipa-ref.c: New file.
1657         * ipa-ref.h: New file.
1658         * ipa-ref-inline.h: New file.
1659         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1660         (referenced_from_other_partition_p): New function.
1661         (lto_output_varpool_node): Take set arugment; call
1662         referenced_from_other_partition.
1663         (lto_output_ref): New.
1664         (add_references): New.
1665         (output_refs): New.
1666         (output_cgraph): Compute boundary based on references; output refs.
1667         (output_varpool): Accept cgraph_node_set argument.
1668         (input_ref): New.
1669         (input_refs): New.
1670         (input_cgraph): Call input_refs.
1671         * lto-section-in.c (lto_section_name): Add refs.
1672         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1673         (ipa-ref.o): New file.
1674         * varpool.c (varpool_node): Clear ipa ref list.
1675         (varpool_remove_node): Remove references.
1676         (dump_varpool_node): Dump references.
1677         (varpool_assemble_decl): Only compile finalized ones.
1678         (varpool_extra_name_alias): Initialize ref list.
1679         * lto-streamer.c (lto-get_section_name): Add .refs section.
1680         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1681         (referenced_from_other_partition_p): Declared.
1682
1683 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1684
1685         PR tree-optimization/43901
1686         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1687         type is not NULL if it's transformation phase, and return
1688         FALSE if it's analysis.
1689         (vectorizable_conversion, vectorizable_operation,
1690         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1691
1692 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1693
1694         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1695         Delete.
1696         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1697         New define.
1698         * config/mips/mips-protos.h
1699         (mips_small_register_classes_for_mode_p): Delete prototype.
1700
1701 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1702
1703         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1704         * config/arm/arm.c (multiple_operation_profitable_p,
1705         compute_offset_order): New static functions.
1706         (load_multiple_sequence, store_multiple_sequence): Use them.
1707         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1708         memory offsets, not register numbers.
1709         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1710
1711 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1712
1713         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1714         (get_pending_sizes, put_pending_size, put_pending_sizes):
1715         Update the uses of pending_sizes.
1716         * c-decl.c (store_parm_decls): Likewise.
1717         * c-tree.h (struct c_arg_info): Likewise.
1718         * tree.h: Update the prototype for get_pending_sizes and
1719         put_pending_sizes.
1720
1721 2010-05-05  Jason Merrill  <jason@redhat.com>
1722
1723         PR debug/43370
1724         * c-common.c (handle_aligned_attribute): Respect
1725         ATTR_FLAG_TYPE_IN_PLACE.
1726
1727         PR testsuite/43758
1728         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1729         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1730         (TARGET_INITIALIZER): Use it.
1731         * c-common.c (attribute_takes_identifier_p): Call it.
1732         * c-common.h: Update prototype.
1733         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1734         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1735
1736 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1737
1738         PR debug/43950
1739         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1740         DW_ID_down_case for Fortran compilation units.
1741
1742 2010-05-05  Jan Hubicka  <jh@suse.cz>
1743
1744         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1745         handle aliases.
1746
1747 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1748
1749         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1750         a variable-sized RESULT_DECL.
1751
1752 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1753
1754         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1755
1756 2010-05-05  Jason Merrill  <jason@redhat.com>
1757
1758         PR c++/43787
1759         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1760         returns GS_OK.
1761         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1762
1763 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1764             Jakub Jelinek  <jakub@redhat.com>
1765
1766         PR debug/43478
1767         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1768         (dead_debug_init, dead_debug_finish): New functions.
1769         (dead_debug_add, dead_debug_insert_before): Likewise.
1770         (df_note_bb_compute): Initialize a dead_debug object, add dead
1771         debug uses to it, insert debug bind insns before death insns,
1772         reset debug insns that refer to pending uses at the end.
1773         * rtl.h (make_debug_expr_from_rtl): New prototype.
1774         * varasm.c (make_debug_expr_from_rtl): New function.
1775
1776 2010-05-05  Jan Hubicka  <jh@suse.cz>
1777
1778         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1779         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1780         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1781         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1782         lto_varpool_encoder_encode_initializer_p,
1783         lto_set_varpool_encoder_encode_initializer): New functions.
1784         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1785         call output_varpool.
1786         (input_varpool_node): Do not always set analyzed.
1787         (input_cgraph_1): Return vector of cgraph nodes.
1788         (input_varpool_1): Return vector of varpools.
1789         (input_cgraph): Free the vectors.
1790         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1791         output only initializers needed.
1792         (lto_output): Only call output_cgraph.
1793         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1794         * lto-section-out.c (lto_new_out_decl_state): Initialize
1795         state->varpool_node_encoder.
1796         * lto-streamer.h (lto_varpool_encoder_d): New.
1797         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1798         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1799         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1800         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1801         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1802         Declare.
1803         (output_varpool, input_varpool): Remove declarations.
1804
1805 2010-05-05  Jan Hubicka  <jh@suse.cz>
1806
1807         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1808         with body can prevail.
1809
1810 2010-05-05  Jan Hubicka  <jh@suse.cz>
1811
1812         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1813         size.
1814
1815 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1816
1817         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1818
1819         * gengtype.h (erro_at_line): Constify pos argument.
1820
1821         * gengtype.c: Include hashtab.h.
1822         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1823         (error_at_line): Constify pos argument.
1824         (do_typedef): Initialize p->opt field.
1825         (get_file_gtfilename): Fix comment typo.
1826         (struct walk_type_data): Constify line field.
1827         (get_output_file_for_structure): New function.
1828         (write_local_func_for_structure): Constify orig_s argument.
1829         Use get_output_file_for_structure.
1830         (write_func_for_structure): Use get_output_file_for_structure.
1831         (INDENT): New define.
1832         (dump_pair, dump_type, dump_type_list, dump_typekind)
1833         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1834         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1835         functions.
1836         (seen_types): New variable.
1837         (main): New variable do_dump.  Process "-d" command line option.
1838         Call dump_everything if dump requested.
1839
1840 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1841
1842         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1843         in a temporary instead of invoking the macro multiple times.
1844         (track_expr_p): Likewise.
1845
1846 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1847
1848         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1849         per new semantics.
1850         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1851         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1852         conditions for printing notes.
1853         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1854         true, update documentation.
1855         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1856
1857 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1858
1859         PR c/43981
1860         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1861         on dimen.
1862
1863 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1864
1865         PR target/43799
1866         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1867         (*sse_prologue_save_insn1): Likewise.
1868         (SSE prologue save splitter): Likewise.
1869
1870 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1871
1872         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1873         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1874         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1875         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1876         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1877         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1878         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1879
1880 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1881
1882         * tree-sra.c (build_access_from_expr_1): The first parameter type
1883         changed to simple tree.
1884         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1885         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1886         renamed as well.
1887         (build_accesses_from_assign): Removed all parameters except for a
1888         simple gimple statement.  Now returns a simple bool.
1889         (scan_function): All non-analysis parts moved to separate functions
1890         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1891         parameters and updated both callers.
1892         (sra_modify_expr): Removed parameter data.
1893         (sra_modify_function_body): New function.
1894         (perform_intra_sra): Call sra_modify_function_body to modify the
1895         function body.
1896         (replace_removed_params_ssa_names): Parameter data changed into
1897         adjustments vector.
1898         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1899         changed the parameter dont_convert to convert with the opposite
1900         meaning.
1901         (sra_ipa_modify_assign): Parameter data changed into adjustments
1902         vector, return value changed to bool.
1903         (ipa_sra_modify_function_body): New function.
1904         (sra_ipa_reset_debug_stmts): Updated a comment.
1905         (modify_function): Use ipa_sra_modify_function_body to modify function
1906         body.
1907
1908 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1909
1910         PR middle-end/43671
1911         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1912         (canon_true_dependence): Likewise.
1913         (write_dependence_p): Likewise.
1914
1915 2010-05-04  Jan Hubicka  <jh@suse.cz>
1916
1917         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1918         * cgraphbuild.c: Include ipa-utils.h
1919         (record_reference_ctx): New struct.
1920         (record_reference): Simplify to work on initializers; not statements.
1921         (mark_address, mark_load, mark_store): New.
1922         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1923         walk PHI nodes too.
1924         (record_references_in_initializer): Update use of record_reference.
1925         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1926         walk PHI nodes too.
1927
1928 2010-05-04  Jan Hubicka  <jh@suse.cz>
1929
1930         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1931         node will be removed anyway.
1932         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1933         relink aliases of node into prevailing node.
1934         * varpool.c (varpool_remove_node): Remove aliases properly;
1935         when removing node, remove all its aliases too; remove DECL_INITIAL
1936         of removed node; ggc_free the varpool node.
1937
1938 2010-05-04  Richard Guenther  <rguenther@suse.de>
1939
1940         PR tree-optimization/43879
1941         * tree-ssa-structalias.c (alias_get_name): Use
1942         DECL_ASSEMBLER_NAME if available.
1943         (create_function_info_for): Return the varinfo node.
1944         (ipa_pta_execute): Associate same-body aliases and extra names
1945         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1946
1947 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1948
1949         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1950
1951 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1952
1953         PR bootstrap/43964
1954         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1955         only if HONOR_REG_ALLOC_ORDER is not defined.
1956
1957 2010-05-04  Richard Guenther  <rguenther@suse.de>
1958
1959         PR tree-optimization/43949
1960         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1961         TRUNC_MOD_EXPR.
1962
1963 2010-04-26  Jason Merrill  <jason@redhat.com>
1964
1965         * c.opt (-fstrict-enums): New.
1966         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1967
1968 2010-05-03  David Ung <davidu@mips.com>
1969             James E. Wilson  <wilson@codesourcery.com>
1970
1971         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1972         emit the trap instruction before the divide for TUNE_74K.
1973
1974 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1975
1976         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1977         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1978         based on the above, for new target hook.
1979
1980         * hooks.c (hook_bool_mode_true): New generic hook.
1981         * hooks.h (hook_bool_mode_true): Add prototype.
1982
1983         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1984         target hook.
1985         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1986         target hook, set to hook_bool_mode_false.
1987         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1988         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1989         with targetm.small_register_classes_for_mode_p.
1990         (find_reusable_reload): Likewise.
1991         (combine_reloads): Likewise.
1992         * reload1.c (reload_as_needed): Likewise.
1993         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1994         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1995         dead_or_predicable): Likewise.
1996         * regmove.c (optimize_reg_copy_1): Likewise.
1997         * calls.c (prepare_call_address): Likewise.
1998         (precompute_register_parameters): Likewise.
1999
2000         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
2001         hook definition.
2002         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
2003         implementation of the hook that considers all register classes
2004         small except for SH64.
2005         (sh_override_options): Use the new hook.
2006         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
2007         Add prototype.
2008
2009         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
2010         hook definition.
2011         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
2012         implementation of the hook that considers all register classes
2013         small for THUMB1.
2014         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
2015         Add prototype.
2016
2017         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
2018         hook definition.
2019         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
2020         implementation of the hook that considers all register classes
2021         small for MIPS16.
2022         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
2023         Add prototype.
2024
2025         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
2026         hook definition.
2027         * config/m32c/m32c.h: Likewise.
2028         * config/pdp11/pdp11.h: Likewise.
2029         * config/avr/avr.h: Likewise.
2030         * config/xtensa/xtensa.h: Likewise.
2031         * config/m68hc11/m68hc11.h: Likewise.
2032         * config/mn10300/mn10300.h: Likewise.
2033         * config/mcore/mcore.h: Likewise.
2034         * config/h8300/h8300.h: Likewise.
2035         * config/bfin/bfin.h: Likewise.
2036
2037         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
2038         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
2039
2040 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
2041
2042         * double-int.h (tree_to_double_int): Remove macro.
2043         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
2044         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2045         (tree_to_double_int): New function.
2046         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2047         Move ...
2048         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2049
2050 2010-05-03  Richard Guenther  <rguenther@suse.de>
2051
2052         PR tree-optimization/43971
2053         * tree-ssa-structalias.c (get_constraint_for_1): Fix
2054         constraints in the !flag_delete_null_pointer_checks case.
2055
2056 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
2057
2058         PR debug/43972
2059         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2060         result mode matches original rtl mode.
2061
2062 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
2063
2064         PR target/43888
2065         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2066
2067 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2068
2069         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2070         when processing flag options.
2071
2072 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2073
2074         * gcov-iov.c (main): Change format string placeholder
2075         from %#08x to 0x%08x.
2076         * genchecksum.c (dosum): Change format string placeholder
2077         from %#02x to 0x%02x.
2078
2079 2010-05-02  Richard Guenther  <rguenther@suse.de>
2080
2081         PR tree-optimization/43879
2082         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2083
2084 2010-05-02  Bruno Haible  <bruno@clisp.org>
2085
2086         * doc/extend.texi (Function Attributes): Fix a typo.
2087
2088 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2089
2090         Revert:
2091         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2092         placeholder from 0x%x to %#x.
2093         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2094         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2095         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2096         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2097         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2098         * config/i386/i386.c (ix86_target_string): Ditto.
2099         * config/i386/i386.c (output_pic_addr_const): Ditto.
2100         (print_operand): Ditto.
2101
2102 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2103
2104         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2105         placeholder from 0x%x to %#x.
2106         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2107         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2108         (ASM_OUTPUT_DEBUG_DATA): Ditto.
2109         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2110         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2111         * optc-gen.awk: Ditto.
2112         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2113         (HOST_WIDE_INT_PRINT_HEX): Ditto.
2114         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2115         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2116
2117 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2118
2119         * target.h (struct calls): Add function_value_regno_p field.
2120         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2121         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2122         * targhooks.c (default_function_value_regno_p): New function.
2123         * targhooks.h (default_function_value_regno_p): Declare function.
2124         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2125         * builtins.c. (apply_result_size): (Ditto.).
2126         * combine.c. (likely_spilled_retval_p): (Ditto.).
2127         * mode-switching.c. Include 'target.h'.
2128         (create_pre_exit): Use function_value_regno_p hook.
2129         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2130         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2131         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2132
2133         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2134         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2135         (ix86_function_value_regno_p): Declare as static, change argument
2136         type to const unsigned int.
2137         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2138
2139 2010-05-01  Richard Guenther  <rguenther@suse.de>
2140
2141         PR tree-optimization/43949
2142         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2143         types.
2144         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2145
2146 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2147
2148         * rtl.h (CONST_DOUBLE_P): Define.
2149         (rtx_to_double_int): Declare.
2150         * emit-rtl.c (rtx_to_double_int): New function.
2151         * dwarf2out.c (insert_double): New function.
2152         (loc_descriptor, add_const_value_attribute): Clean up, use
2153         rtx_to_double_int and insert_double functions.
2154
2155 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2156
2157         * doc/extend.texi (Inline): Add missing return keyword to examples.
2158         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2159         "command-line".
2160
2161 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2162
2163         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2164         the variable part of the offset as well.  Use highest_pow2_factor for
2165         all alignment checks.
2166
2167 2010-04-30  Richard Guenther  <rguenther@suse.de>
2168
2169         PR tree-optimization/43879
2170         * tree-ssa-structalias.c (type_could_have_pointers): Functions
2171         can have pointers.
2172
2173 2010-04-30  Jan Hubicka  <jh@suse.cz>
2174
2175         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2176         varpool.
2177         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2178
2179 2010-04-30  Jan Hubicka  <jh@suse.cz>
2180
2181         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2182         New.
2183         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2184         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2185         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2186         cgraph_node_set_needs_ltrans_p): Remove.
2187
2188 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2189
2190         * sdbout.c: Include vec.h, do not include varray.h.
2191         (deferred_global_decls, sdbout_global_decl,
2192         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2193         * toplev.c: Do not include varray.h.
2194         (dump_memory_report): Do not dump VARRAY statistics.
2195         * gengtype.c (open_base_file): Ignore varray.h.
2196         * Makefile.in: Update for abovementioned changes.
2197         Remove all traces of varray.c and varray.h.
2198         * varray.c: Remove file.
2199         * varray.h: Remove file.
2200
2201 2010-04-30  Jan Hubicka  <jh@suse.cz>
2202
2203         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2204         references.
2205
2206 2010-04-30  Jan Hubicka  <jh@suse.cz>
2207
2208         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2209         needed.
2210
2211 2010-04-30  Richard Guenther  <rguenther@suse.de>
2212
2213         * tree-ssa-structalias.c (get_constraint_for_1): Generate
2214         constraints for CONSTRUCTOR.
2215
2216 2010-04-30  Richard Guenther  <rguenther@suse.de>
2217
2218         PR lto/43946
2219         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2220         first after all lowering passes.
2221
2222 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2223
2224         * toplev.c: Include varray.h for statistics dumping.
2225         * tree.h: Do not declare varray_head_tag.
2226         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2227         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2228         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2229         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2230         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2231         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2232         c-common.c, c-common.h, reg-stack.c, basic-block.h,
2233         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2234         include varray.h.
2235         * Makefile.in: Update for abovementioned changes.
2236
2237 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2238
2239         PR debug/43942
2240         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2241
2242 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2243
2244         * config/picochip/picochip.c (picochip_legitimize_address): Define.
2245         Use this function to do machine-specific conversion.
2246         (picochip_legitimize_reload_address): Likewise.
2247         (picochip_legitimate_address_p): Check valid base register only if
2248         strict.
2249         (picochip_check_conditional_copy): Check for modw only if opnd is
2250         register.
2251         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2252         to call the function in c.
2253         * config/picochip/picochip-protos.h
2254         (picochip_legitimize_reload_address): Define.
2255         * config/picochip/picochip.md (supported_compare1): Define.
2256
2257 2010-04-30  Jan Hubicka  <jh@suse.cz>
2258
2259         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2260         (cgraph_global_info): Remove inlined.
2261         (LTO_cgraph_tag_names): Remove.
2262         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2263         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2264         simplify cgraph tags and document.
2265         (lto_output_node): Use only LTO_cgraph_unavail_node and
2266         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2267         for_functions_valid, global info, process and output flags.
2268         (input_overwrite_node): Initialize estimated stack size and
2269         estimated growth.  Do not read flags we no longer store.
2270         (input_node): Likewise do not read info no longer stored.
2271         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2272         flag.
2273
2274 2010-04-30  Richard Guenther  <rguenther@suse.de>
2275
2276         PR tree-optimization/43879
2277         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2278         handle non-zero initializers.
2279
2280 2010-04-30  Richard Guenther  <rguenther@suse.de>
2281
2282         * builtins.c (fold_builtin_1): Delete free (0).
2283
2284 2010-04-29  Jan Hubicka  <jh@suse.cz>
2285
2286         * gengtype.c (open_base_files): Add lto-streamer.h
2287         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2288         (pass_ipa_cp): GGC collect.
2289         * toplev. (compile_file): Do not output symbols.
2290         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2291         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2292         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2293         * lto-section-in.c: Include ggc.h
2294         (lto_new_in_decl_state): Alloc in GGC.
2295         (lto_delete_in_decl_state): Likewise.
2296         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2297         Collect.
2298
2299 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2300
2301         PR target/42895
2302         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2303         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2304         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2305         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2306         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2307         account only if HONOR_REG_ALLOC_ORDER is not defined.
2308         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2309         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2310
2311 2010-04-29  Jon Grant  <04@jguk.org>
2312
2313         * collect2.c (vflag): Change type from int to bool.
2314         (debug): Likewise.
2315         (helpflag): New global bool.
2316         (main): Set vflag and debug with boolean, not integer truth values.
2317         Accept new "--help" option and output usage text if found.
2318         * collect2.h (vflag): Update prototype.
2319         (debug): Likewise.
2320
2321 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2322
2323         PR bootstrap/43936
2324         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2325
2326 2010-04-29  Richard Guenther  <rguenther@suse.de>
2327
2328         PR bootstrap/43935
2329         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2330         with ATTRIBUTE_UNUSED.
2331
2332 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2333
2334         PR target/43921
2335         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2336         INSN_P with NONDEBUG_INSN_P.
2337         (distance_non_agu_define): Likewise.
2338         (distance_agu_use): Likewise.
2339
2340 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2341
2342         From Dominique d'Humieres <dominiq@lps.ens.fr>
2343         PR bootstrap/43858
2344         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2345         test_set.
2346
2347 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2348
2349         * plugin.h (invoke_plugin_callbacks): New inline function.
2350         * plugin.c (flag_plugin_added): New global flag.
2351         (add_new_plugin): Initialize above flag.
2352         (invoke_plugin_callbacks): Rename to ...
2353         (invoke_plugin_callbacks_full): ... this.
2354
2355 2010-04-28  Jan Hubicka  <jh@suse.cz>
2356
2357         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2358         (lto_varpool_replace_node): New.
2359         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2360         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2361         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2362         * cgraph.h (varpool_node_ptr): New type.
2363         (varpool_node_ptr): New vector.
2364         (varpool_node_set_def): New structure.
2365         (varpool_node_set): New type.
2366         (varpool_node_set): New vector.
2367         (varpool_node_set_element_def): New structure.
2368         (varpool_node_set_element, const_varpool_node_set_element): New types.
2369         (varpool_node_set_iterator): New type.
2370         (varpool_node): Add prev pointers, add used_from_other_partition,
2371         in_other_partition.
2372         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2373         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2374         varpool_get_node, varpool_remove_node): Declare.
2375         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2376         varpool_node_set_size): New inlines.
2377         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2378         * tree-pass.h (varpool_node_set_def): Forward declare.
2379         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2380         (ipa_write_optimization_summaries): Update prototype.
2381         * ipa-cp.c (ipcp_write_summary): Update.
2382         * ipa-reference.c (ipa_reference_write_summary): Update.
2383         * lto-cgraph.c (lto_output_varpool_node): New static function.
2384         (output_varpool): New function.
2385         (input_varpool_node): New static function.
2386         (input_varpool_1): New function.
2387         (input_cgraph): Input varpool.
2388         * ipa-pure-const.c (pure_const_write_summary): Update.
2389         * lto-streamer-out.c (lto_output): Update, output varpool too.
2390         (write_global_stream): Kill WPA hack.
2391         (produce_asm_for_decls): Update.
2392         (output_alias_pair_p): Handle variables.
2393         (output_unreferenced_globals): Output only needed partition of varpool.
2394         * ipa-inline.c (inline_write_summary): Update.
2395         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2396         cgraph.
2397         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2398         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2399         varpool_node_set_new, varpool_node_set_add,
2400         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2401         debug_varpool_node_set): New functions.
2402         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2403         (execute_one_pass): Process new decls too.
2404         (ipa_write_summaries_2): Pass around vsets.
2405         (ipa_write_summaries_1): Likewise.
2406         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2407         to add.
2408         (ipa_write_optimization_summaries_1): Pass around vsets.
2409         (ipa_write_optimization_summaries): Likewise.
2410         * varpool.c (varpool_get_node): New.
2411         (varpool_node): Update doubly linked lists.
2412         (varpool_remove_node): New.
2413         (dump_varpool_node): More dumping.
2414         (varpool_enqueue_needed_node): Update doubly linked lists.
2415         (decide_is_variable_needed): Kill ltrans hack.
2416         (varpool_finalize_decl): Kill lto hack.
2417         (varpool_assemble_decl): Skip decls in other partitions.
2418         (varpool_assemble_pending_decls): Update doubly linkes lists.
2419         (varpool_empty_needed_queue): Likewise.
2420         (varpool_extra_name_alias): Likewise.
2421         * lto-streamer.c (lto_get_section_name): Add vars section.
2422         * lto-streamer.h (lto_section_type): Update.
2423         (output_varpool, input_varpool): Declare.
2424
2425 2010-04-28  Mike Stump  <mikestump@comcast.net>
2426
2427         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2428
2429 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2430
2431         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2432         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2433         (lto_input_ts_type_tree_pointers): Likewise.
2434         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2435         (lto_output_ts_type_tree_pointers): Likewise.
2436
2437 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2438
2439         Uniquization of constants at the Tree level
2440         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2441         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2442         bit to the end.
2443         (tree_output_constant_def): Declare.
2444         * gimplify.c (gimplify_init_constructor): When using block copy, first
2445         uniquize the constant constructor on the RHS.
2446         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2447         DECL_IN_CONSTANT_POOL flag.
2448         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2449         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2450         constant pool.
2451         (assemble_variable): Deal with symbols belonging to the tree constant
2452         pool.
2453         (get_constant_section): Add ALIGN parameter and simplify.
2454         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2455         (assemble_constant_contents): Use the expression of the VAR_DECL.
2456         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2457         (tree_output_constant_def): New global function.
2458         (mark_constant): Use the expression of the VAR_DECL.
2459         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2460         its expression.
2461         (output_object_block): Likewise and assemble the expression.
2462
2463 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2464
2465         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2466         hash_tree, eq_tree): New tree hash table.
2467         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2468         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2469         lto_orig_address_remove): Reimplement.
2470
2471 2010-04-28  Xinliang David Li  <davidxl@google.com>
2472
2473         PR c/42643
2474         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2475         (compute_uninit_opnds_pos): New function.
2476         (is_non_loop_exit_postdominating): New function.
2477         (compute_control_dep_chain): New function.
2478         (find_pdom): New function.
2479         (convert_control_dep_chain_into_preds): New function.
2480         (find_predicates): New function.
2481         (find_control_equiv_block): New function.
2482         (collect_phi_def_edges): New function.
2483         (find_def_preds): New function.
2484         (find_dom): New function.
2485         (dump_predicates): New function.
2486         (get_cmp_code): New function.
2487         (is_value_included_in): New function.
2488         (find_matching_predicate_in_rest_chains): New function.
2489         (use_pred_not_overlap_with_undef_path_pred): New function.
2490         (is_use_properly_guarded): New function.
2491         (normalize_cond_1): New function.
2492         (is_and_or_or): New function.
2493         (normalize_cond): New function.
2494         (is_gcond_subset_of): New function.
2495         (is_subset_of_any): New function.
2496         (is_or_set_subset_of): New function.
2497         (is_and_set_subset_of): New function.
2498         (is_norm_cond_subset_of): New function.
2499         (is_pred_expr_subset_of): New function.
2500         (is_pred_chain_subset_of): New function.
2501         (is_included_in): New function.
2502         (is_superset_of): New function.
2503         (find_uninit_use): New function.
2504         (warn_uninitialized_phi): New function.
2505         (compute_possibly_undefined_names): New function.
2506         (ssa_undefined_value_p): New function.
2507         (execute_late_warn_uninitialized): New function.
2508         * tree-ssa.c (ssa_undefined_value_p): Removed.
2509         (warn_uninit): Changed to extern.
2510         (warn_uninitialized_phi): Removed.
2511         (warn_uninitialized_vars): Changed to extern.
2512         (execute_late_warn_uninitialized): Removed
2513         * tree-flow.h: Add new prototypes.
2514         * timevar.def: Add new time variable.
2515         * Makefile.in: Add new build file.
2516
2517 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2518
2519         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2520         type if available.
2521
2522 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2523
2524         PR target/22224
2525         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2526
2527 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2528
2529         * cgraph.h (struct cgraph_node): New field indirect_calls.
2530         (struct cgraph_indirect_call_info): New type.
2531         (struct cgraph_edge): Removed field indirect_call. New fields
2532         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2533         (cgraph_create_indirect_edge): Declare.
2534         (cgraph_make_edge_direct): Likewise.
2535         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2536         * ipa-prop.h (struct ipa_param_call_note): Removed.
2537         (struct ipa_node_params): Removed field param_calls.
2538         (ipa_create_all_structures_for_iinln): Declare.
2539         * cgraph.c: Described indirect edges and uids in initial comment.
2540         (cgraph_add_edge_to_call_site_hash): New function.
2541         (cgraph_edge): Search also among the indirect edges, use
2542         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2543         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2544         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2545         site hash.
2546         (initialize_inline_failed): Assign a reason to indirect edges.
2547         (cgraph_create_edge_1): New function.
2548         (cgraph_create_edge): Moved some functionality to
2549         cgraph_create_edge_1.
2550         (cgraph_create_indirect_edge): New function.
2551         (cgraph_edge_remove_callee): Add an assert checking for
2552         non-indirectness.
2553         (cgraph_edge_remove_caller): Special-case indirect edges.
2554         (cgraph_remove_edge): Likewise.
2555         (cgraph_set_edge_callee): New function.
2556         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2557         (cgraph_make_edge_direct): New function.
2558         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2559         the declaration of the call statement matches.
2560         (cgraph_node_remove_callees): Special-case indirect edges.
2561         (cgraph_clone_edge): Likewise.
2562         (cgraph_clone_node): Clone also the indirect edges.
2563         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2564         indirect_call, dump count of indirect_calls edges.
2565         * ipa-prop.c (iinlining_processed_edges): New variable.
2566         (ipa_note_param_call): Create indirect edges instead of
2567         creating notes.  New parameter node.
2568         (ipa_analyze_call_uses): New parameter node, pass it on to
2569         ipa_note_param_call.
2570         (ipa_analyze_stmt_uses): Likewise.
2571         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2572         (print_edge_addition_message): Work on edges rather than on notes.
2573         (update_call_notes_after_inlining): Likewise, renamed to
2574         update_indirect_edges_after_inlining.
2575         (ipa_create_all_structures_for_iinln): New function.
2576         (ipa_free_node_params_substructures): Do not free notes.
2577         (ipa_edge_duplication_hook): Propagate bits within
2578         iinlining_processed_edges bitmap.
2579         (ipa_node_duplication_hook): Do not duplicate notes.
2580         (free_all_ipa_structures_after_ipa_cp): Renamed to
2581         ipa_free_all_structures_after_ipa_cp.
2582         (free_all_ipa_structures_after_iinln): Renamed to
2583         ipa_free_all_structures_after_iinln.
2584         (ipa_write_param_call_note): Removed.
2585         (ipa_read_param_call_note): Removed.
2586         (ipa_write_indirect_edge_info): New function.
2587         (ipa_read_indirect_edge_info): Likewise.
2588         (ipa_write_node_info): Do not stream notes, do stream information
2589         in indirect edges.
2590         (ipa_read_node_info): Likewise.
2591         (lto_ipa_fixup_call_notes): Removed.
2592         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2593         * ipa-inline.c (pass_ipa_inline): Likewise.
2594         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2595         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2596         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2597         is_gimple_call.
2598         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2599         edges.
2600         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2601         (output_cgraph): Stream also indirect edges.
2602         (lto_output_edge): Added capability to stream indirect edges.
2603         (input_edge): Likewise.
2604         (input_cgraph_1): Likewise.
2605         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2606         of indirect edges.
2607
2608 2010-04-28  Richard Guenther  <rguenther@suse.de>
2609
2610         PR tree-optimization/43879
2611         PR tree-optimization/43909
2612         * tree-ssa-structalias.c (struct variable_info): Add
2613         only_restrict_pointers flag.
2614         (new_var_info): Initialize it.  Increment stats.total_vars here.
2615         (create_function_info_for): Do not increment stats.total_vars here.
2616         (get_function_part_constraint): Fix build with C++.
2617         (insert_into_field_list): Remove.
2618         (push_fields_onto_fieldstack): Properly merge fields.
2619         (create_variable_info_for): Split and simplify.
2620         (create_variable_info_for_1): New piece.
2621         (intra_create_variable_infos): Properly make restrict constraints
2622         from parameters.
2623
2624 2010-04-28  Richard Guenther  <rguenther@suse.de>
2625
2626         PR c++/43880
2627         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2628
2629 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2630             Jan Hubicka <hubicka@ucw.cz>
2631
2632         * doc/invoke.texi (-Wsuggest-attribute=const,
2633         -Wsuggest-attribute=pure): Document.
2634         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2635         (function_always_visible_to_compiler_p,
2636         suggest_attribute, warn_function_pure, warn_function_const):
2637         New functions.
2638         (check_call): Improve debug info.
2639         (analyze_function): Do not check availability.
2640         (add_new_function): Check availability.
2641         (propagate): Output warnings.
2642         (skip_function_for_local_pure_const): New function.
2643         (local_pure_const): Use it; output warnings.
2644         * common.opt (Wsuggest-attribute=const,
2645         Wsuggest-attribute=pure): New.
2646
2647 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2648
2649         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2650         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2651         or DW_CFA_def_cfa_offset{,_sf}.
2652
2653 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2654
2655         * tree.h: Fix truncated long macros.
2656
2657 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2658
2659         * collect2.c (TARGET_64BIT): Redefine to target's default.
2660         * tlink.c: Likewise.
2661         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2662         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2663         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2664         for underscoring __USER_LABEL_PREFIX__.
2665         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2666         (SUB_LINK_ENTRY32): New.
2667         (SUB_LINK_ENTRY64): New.
2668         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2669         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2670         (SUB_LINK_ENTRY64): New.
2671         (SUB_LINK_ENTRY): New.
2672         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2673         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2674         x64 target is choosen.
2675         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2676         * configure: Regenerated.
2677         * configure.ac (leading-mingw64-underscores): Option added.
2678
2679 2010-04-27  Jan Hubicka  <jh@suse.cz>
2680
2681         * doc/invoke.texi (-fipa-profile): Document.
2682         * opts.c (decode_options): Enable ipa-profile at -O1.
2683         * timevar.def (TV_IPA_PROFILE): Define.
2684         * common.opt (fipa-profile): Add.
2685         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2686         flag for clones.
2687         (cgraph_propagate_frequency): Handle only local ones.
2688         * tree-pass.h (pass_ipa_profile): Declare.
2689         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2690         (pass_ipa_profile): Use TV_IPA_PROFILE.
2691         * ipa.c (ipa_profile): New function.
2692         (gate_ipa_profile): Likewise.
2693         (pass_ipa_profile): New global variable.
2694         * passes.c (pass_ipa_profile): New.
2695
2696 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2697
2698         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2699
2700 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2701
2702         PR middle-end/43812
2703         * ipa.c (dissolve_same_comdat_group_list): New function.
2704         (function_and_variable_visibility): Call
2705         dissolve_same_comdat_group_list when comdat group contains external or
2706         newly local nodes.
2707         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2708         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2709
2710 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2711
2712         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2713         (const_hash_1) <VECTOR_CST>: New case.
2714         (compare_constant) <VECTOR_CST>: Likewise.
2715         <ADDR_EXPR>: Deal with LABEL_REFs.
2716         (copy_constant) <VECTOR_CST>: New case.
2717
2718 2010-04-27  Jan Hubicka  <jh@suse.cz>
2719
2720         * cgraph.c (cgraph_propagate_frequency): New function.
2721         * cgraph.h (cgraph_propagate_frequency): Declare.
2722         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2723         cgraph_propagate_frequency.
2724
2725 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2726
2727         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2728
2729 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2730
2731         PR target/40657
2732         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2733         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2734         here to determine which regs to push and how much stack to reserve.
2735
2736 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2737
2738         * doc/gimple.texi (gimple_statement_with_ops): Remove
2739         addresses_taken field.
2740         (gimple_statement_with_memory_ops): Likewise.
2741
2742 2010-04-27  Jan Hubicka  <jh@suse.cz>
2743
2744         * tree-inline.c (eni_inlining_weights): Remove.
2745         (estimate_num_insns): Special case more builtins.
2746
2747 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2748
2749         PR c/32207
2750         * c-typeck.c (build_binary_op): Move forward check for comparison
2751         pointer with null pointer constant and adjust the diagnostic message.
2752
2753 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2754
2755         PR lto/42776
2756         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2757         binutils supports extended .section directive needed by LTO, or
2758         warn if older binutils found.
2759         (LTO_BINARY_READER): New AC_SUBST'd variable.
2760         (LTO_USE_LIBELF): Likewise.
2761         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2762         variable.
2763         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2764         (LTO_USE_LIBELF): Likewise.
2765         * configure: Regenerate.
2766
2767         * collect2.c (is_elf): Rename from this ...
2768         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2769          object files in addition to ELF-formatted ones.
2770         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2771         symbol to be prefixed or not by an extra underscore.
2772
2773         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2774         * config/i386/winnt.c: Also #include lto-streamer.h
2775         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2776         LTO named sections.
2777         (i386_pe_asm_output_aligned_decl_common): Add comment.
2778         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2779
2780 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2781
2782         PR target/43889
2783         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2784         Add missing earlyclobber for second alternative.
2785
2786 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2787
2788         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2789         bits for artificial defs at the top of the block.
2790         * fwprop.c (single_def_use_enter_block): Don't call it.
2791
2792 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2793
2794         PR 43715
2795         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2796         instead of "$gcc_cv_objdump -T".
2797         Use "-undefined dynamic_lookup" on darwin.
2798         * gcc/configure: Regenerate.
2799
2800 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2801
2802         PR c/43893
2803         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2804
2805 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2806
2807         * c-parser.c (struct c_token): Move location field up.
2808         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2809         (struct c_declspecs): Convert typespec_word, storage_class, and
2810         default_int_p into bitfields.
2811         (struct c_declarator): Move loc field up.
2812
2813 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2814
2815         * cfgloop.h (struct loop): Move can_be_parallel field up.
2816         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2817         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2818         down.
2819         (struct iv_cand): Convert pos field into a bitfield.
2820         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2821         field up.
2822         (struct _stmt_vec_info): Shuffle fields for better packing.
2823
2824 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         * varasm.c (IN_NAMED_SECTION): Remove guard.
2827         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2828         (IN_NAMED_SECTION_P): ...this.
2829         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2830         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2831
2832 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2833
2834         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2835         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2836         of shadowing it.  Fix comments.
2837
2838 2010-04-26  Jan Hubicka  <jh@suse.cz>
2839
2840         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2841         (cgraph_clone_node): Copy function frequency.
2842         * cgraph.h (node_frequency): New enum
2843         (struct cgraph_node): Add.
2844         * final.c (rest_of_clean_state): Update.
2845         * lto-cgraph.c (lto_output_node): Output node frequency.
2846         (input_overwrite_node): Input node frequency.
2847         * tre-ssa-loop-ivopts (computation_cost): Update.
2848         * lto-streamer-out.c (output_function): Do not output function
2849         frequency.
2850         * predict.c (maybe_hot_frequency_p): Update and handle functions
2851         executed once.
2852         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2853         attribute lookup.
2854         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2855         (compute_function_frequency): Set noreturn functions to be executed
2856         once.
2857         (choose_function_section): Update.
2858         * lto-streamer-in.c (input_function): Do not input function frequency.
2859         * function.c (allocate_struct_function): Do not initialize function
2860         frequency.
2861         * function.h (function_frequency): Remove.
2862         (struct function): Remove function frequency.
2863         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2864         (try_update): Update.
2865         * tree-inline.c (initialize_cfun): Do not update function frequency.
2866         * passes.c (pass_init_dump_file): Update.
2867         * i386.c (ix86_compute_frame_layout): Update.
2868         (ix86_pad_returns): Update.
2869
2870 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2871
2872         PR tree-optimization/43833
2873         * tree-vrp.c (range_int_cst_p): New.
2874         (range_int_cst_singleton_p): New.
2875         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2876         when both operands are constants.  Use range_int_cst_p in
2877         BIT_IOR_EXPR case.
2878
2879 2010-04-26  Jan Hubicka  <jh@suse.cz>
2880
2881         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2882
2883 2010-04-26  Richard Guenther  <rguenther@suse.de>
2884
2885         PR lto/43080
2886         * gimple.c (gimple_decl_printable_name): Deal gracefully
2887         with a NULL DECL_NAME.
2888
2889 2010-04-26  Richard Guenther  <rguenther@suse.de>
2890
2891         PR lto/42425
2892         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2893         if emitting debug information and it is either a function
2894         or a namespace decl.
2895
2896 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2897
2898         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2899         determine if the statement is vectorizable, and a macro to access it.
2900         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2901         Skip statements that can't be vectorized. If the analysis fails,
2902         mark the statement as unvectorizable if vectorizing basic block.
2903         (vect_compute_data_refs_alignment): Likewise.
2904         (vect_verify_datarefs_alignment): Skip statements marked as
2905         unvectorizable. Add print.
2906         (vect_analyze_group_access): Skip statements that can't be
2907         vectorized. If the analysis fails, mark the statement as
2908         unvectorizable if vectorizing basic block.
2909         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2910         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2911         generated stmts for SLP.
2912         (new_stmt_vec_info): Initialize the new field.
2913         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2914         statements marked as unvectorizable.
2915
2916 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2917
2918         * c-common.c (flag_isoc1x): New.
2919         (flag_isoc99): Update comment.
2920         * c-common.h (flag_isoc1x): New.
2921         (flag_isoc99): Update comment.
2922         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2923         __<type>_DECIMAL_DIG__.
2924         * c-opts.c (set_std_c1x): New.
2925         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2926         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2927         * c.opt (-std=c1x, -std=gnu1x): New options.
2928         * doc/cpp.texi: Mention -std=c1x.
2929         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2930         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2931         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2932         * doc/standards.texi: Mention C1X.
2933         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2934         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2935         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2936         Define for C1X.
2937
2938 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2939
2940         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2941         placeholder from 0x%x to %#x.
2942         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2943         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2944         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2945         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2946         * config/i386/i386.c (ix86_target_string): Ditto.
2947         (output_pic_addr_const): Ditto.
2948         (print_operand): Ditto.
2949
2950 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2951
2952         * combine.c (find_split_point): Add third argument.  Use it
2953         to find nested multiply-accumulate instructions.  Adjust calls.
2954         (try_combine): Adjust call to find_split_point.
2955
2956 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2957
2958         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2959
2960 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2961
2962         PR tree-optimization/41442
2963         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2964         (fold_binary_loc): Call it.
2965
2966 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2967
2968         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2969         * opts.c (common_handle_option): Allow disabling it.
2970         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2971
2972 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2973
2974         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2975         between modes if both types are integral.
2976
2977 2010-04-23  Richard Guenther  <rguenther@suse.de>
2978
2979         PR tree-optimization/43572
2980         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2981
2982 2010-04-23  Richard Guenther  <rguenther@suse.de>
2983
2984         PR lto/43455
2985         * tree-inline.c (tree_can_inline_p): Also check compatibility
2986         of return types.
2987
2988 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2989
2990         PR tree-optimization/43846
2991         * tree-sra.c (struct access): New flag grp_assignment_read.
2992         (build_accesses_from_assign): Set grp_assignment_read.
2993         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2994         (enum mark_read_status): New type.
2995         (analyze_access_subtree): Propagate grp_assignment_read, create
2996         accesses also if both direct_read and root->grp_assignment_read.
2997
2998 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2999
3000         PR middle-end/43835
3001         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
3002         function does not have type attributes.
3003
3004 2010-04-23  Richard Guenther  <rguenther@suse.de>
3005
3006         PR lto/42653
3007         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
3008         of FUNCTION_DECLs.
3009
3010 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3011
3012         * sese.h (create_if_region_on_edge): Remove.
3013
3014         * sese.c (create_if_region_on_edge): Make static.
3015
3016         * tree-inline.c: Do not include ggc.h.
3017
3018         * expr.c: Do not include ggc.h.
3019
3020         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
3021         dependencies.
3022
3023 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3024
3025         PR target/43744
3026         * config/sh/sh.c (find_barrier): Don't emit a constant pool
3027         in the middle of insns for casesi_worker_2.
3028
3029 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
3030
3031         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
3032
3033 2010-04-22  Ira Rosen  <irar@il.ibm.com>
3034
3035         PR tree-optimization/43842
3036         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
3037         loop unrolling in update of exit phis. Fix comment.
3038         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
3039         least two reduction statements in the loop before starting SLP
3040         analysis.
3041
3042 2010-04-22  Nick Clifton  <nickc@redhat.com>
3043
3044         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
3045
3046 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
3047
3048         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3049         to simplify a + ~a.
3050
3051 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3052
3053         * tree-parloops.c (loop_parallel_p): New argument
3054         parloop_obstack.  Pass it down.
3055         (parallelize_loops): New variable parloop_obstack.  Initialize it,
3056         pass it down, free it.
3057
3058         * tree-loop-linear.c (linear_transform_loops): Pass down
3059         lambda_obstack.
3060
3061         * tree-data-ref.h (lambda_compute_access_matrices): New argument
3062         of type struct obstack *.
3063
3064         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3065         scratch_obstack.  Initialize it, pass down, free it.
3066
3067         * lambda.h (lambda_loop_new): Remove.
3068         (lambda_matrix_new, lambda_matrix_inverse)
3069         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3070         argument of type struct obstack *.
3071
3072         * lambda-trans.c (lambda_trans_matrix_new): New argument
3073         lambda_obstack.  Pass it down, use obstack allocation for ret.
3074         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
3075         it down.
3076
3077         * lambda-mat.c (lambda_matrix_get_column)
3078         (lambda_matrix_project_to_null): Remove.
3079         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
3080         allocation for mat.
3081         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3082         lambda_obstack.
3083
3084         * lambda-code.c (lambda_loop_new): New function.
3085         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3086         (lambda_compute_auxillary_space, lambda_compute_target_space)
3087         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3088         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3089         (build_access_matrix): New argument lambda_obstack.  Use obstack
3090         allocation for am.
3091         (lambda_compute_step_signs, lambda_compute_access_matrices): New
3092         argument lambda_obstack.  Pass it down.
3093
3094 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3095
3096         * optabs.h (expand_widening_mult): Declare.
3097
3098 2010-04-22  Richard Guenther  <rguenther@suse.de>
3099
3100         PR tree-optimization/43845
3101         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3102         lookup the CALL_EXPR function and arguments.
3103
3104 2010-04-22  Nick Clifton  <nickc@redhat.com>
3105
3106         * config/stormy16/stormy16.c
3107         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3108         * config/stormy16/stormy16.h: Tidy up formatting.
3109         (DONT_USE_BUILTIN_SETJMP): Remove definition.
3110         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3111         (ineqbranchsi): Delete pattern.
3112         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3113         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3114         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3115         stormy16-lib2-ucmpsi2.c.
3116
3117 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3118
3119         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3120         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
3121         extra set merge_set_noclobber, and use it to relax the final test
3122         slightly.
3123         * df.h (df_simulate_find_noclobber_defs): Declare.
3124         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3125         conditional defs.
3126         (df_simulate_find_noclobber_defs): New function.
3127
3128 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
3129
3130         * config/i386/i386.md: Use {} around multi-line preparation statements.
3131
3132 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3133
3134         * c-tree.h (push_init_level, pop_init_level, set_init_index)
3135         (process_init_element): New argument of type struct obstack *.
3136
3137         * c-typeck.c (push_init_level, pop_init_level, set_designator)
3138         (set_init_index, set_init_label, set_nonincremental_init)
3139         (set_nonincremental_init_from_string, find_init_member)
3140         (output_init_element, output_pending_init_elements)
3141         (process_init_element): New argument braced_init_obstack.  Pass it
3142         down.
3143         (push_range_stack, add_pending_init): New argument
3144         braced_init_obstack.  Use obstack allocation.
3145
3146         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3147         braced_init_obstack.  Pass it down.
3148         (c_parser_braced_init): New variables ret, braced_init_obstack.
3149         Initialize obstack, pass it down and finally free it.
3150
3151 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3152
3153         PR middle-end/29274
3154         * tree-pass.h (pass_optimize_widening_mul): Declare.
3155         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3156         gate_optimize_widening_mul): New static functions.
3157         (pass_optimize_widening_mul): New.
3158         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3159         <case MULT_EXPR>: Remove support for widening multiplies.
3160         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3161         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3162         simplify_gen_unary rather than directly building extensions.
3163         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3164         WIDEN_MULT_EXPR.
3165         * expmed.c (expand_widening_mult): New function.
3166         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3167
3168 2010-04-21  Jan Hubicka  <jh@suse.cz>
3169
3170         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3171         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3172         * lto-wpa-fixup.c: Remove.
3173         * Makefile.in (lto-wpa-fixup.o): Remove.
3174         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3175         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3176         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3177
3178 2010-04-21  Jan Hubicka  <jh@suse.cz>
3179
3180         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3181         add write_optimization_summary, read_optimization_summary.
3182         (ipa_write_summaries_of_cgraph_node_set): Remove.
3183         (ipa_write_optimization_summaries): Declare.
3184         (ipa_read_optimization_summaries): Declare.
3185         * ipa-cp.c (pass_ipa_cp): Update.
3186         * ipa-reference.c (pass_ipa_reference): Update.
3187         * ipa-pure-const.c (pass_ipa_pure_const): Update.
3188         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3189         Update.
3190         * ipa-inline.c (pass_ipa_inline): Update.
3191         * ipa.c (pass_ipa_whole_program): Update.
3192         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3193         * passes.c (ipa_write_summaries_1): Do not test wpa.
3194         (ipa_write_optimization_summaries_1): New.
3195         (ipa_write_optimization_summaries): New.
3196         (ipa_read_summaries): Do not test ltrans.
3197         (ipa_read_optimization_summaries_1): New.
3198         (ipa_read_optimization_summaries): New.
3199
3200 2010-04-21  Jan Hubicka  <jh@suse.cz>
3201
3202         * lto-cgraph.c (lto_output_node): Do not output comdat groups
3203         for boundary nodes.
3204         (output_cgraph): Do not arrange comdat groups for boundary nodes.
3205
3206 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3207
3208         PR debug/40040
3209         * dwarf2out.c (add_name_and_src_coords_attributes): Add
3210         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3211
3212 2010-04-21  Jan Hubicka  <jh@suse.cz>
3213
3214         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3215
3216 2010-04-21  Jan Hubicka  <jh@suse.cz>
3217
3218         * varpool.c (decide_is_variable_needed): Variable is always needed
3219         during ltrans.
3220
3221 2010-04-21  Jan Hubicka  <jh@suse.cz>
3222
3223         * opts.c (decode_options): Enable pure-const pass for whopr.
3224
3225 2010-04-21  Jan Hubicka  <jh@suse.cz>
3226
3227         * cgraph.c (dump_cgraph_node): Dump also assembler name.
3228         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3229         at WPA dumping.
3230         (cgraph_decide_inlining): Do not expect callee to be removed in all
3231         cases.
3232
3233 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
3234
3235         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3236
3237 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3238
3239         * config/i386/i386.md (x86_shrd): Add athlon_decode and
3240         amdfam10_decode attributes.
3241
3242 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3243
3244         PR middle-end/43570
3245         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3246         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3247         (lower_copyprivate_clauses): Use private var in outer
3248         context instead of original var.  Make sure the types
3249         are correct for VLAs.
3250
3251 2010-04-21  Richard Guenther  <rguenther@suse.de>
3252
3253         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3254         to non-pointer objects.
3255
3256 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3257
3258         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3259         last chain entry if it starts with the still current label.
3260         (add_location_or_const_value_attribute): Check that
3261         loc_list->first->next is NULL instead of comparing ->first with ->last.
3262         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3263         to add_var_loc_to_decl.
3264
3265         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3266         >= 4 add also address size and segment size fields into CIE header.
3267
3268         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3269         long as address size is the same as sizeof (void *) and
3270         segment size is 0.
3271         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3272         address size or segment size is unexpected, return DW_EH_PE_omit.
3273         (classify_object_over_fdes): If get_cie_encoding returned
3274         DW_EH_PE_omit, return -1.
3275         (init_object): If classify_object_over_fdes returned -1,
3276         pretend there were no FDEs at all.
3277
3278 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3279
3280         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3281         bswap{si,di}2 using SWI48 mode iterator.
3282         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3283         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3284         set modrm attribute of bswap insn to 0 and remove length attribute.
3285         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3286         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3287         set mode attribute to <MODE> and remove length attribute.
3288
3289 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3290
3291         PR rtl-optimization/43520
3292         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3293         zero available registers.
3294
3295 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3296
3297         * builtins.c (fold_builtin_cproj): Fold more cases.
3298
3299 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3300
3301         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3302         (fold_builtin_1): Fold builtin cproj.
3303         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3304         Use ATTR_CONST_NOTHROW_LIST.
3305
3306 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3307
3308         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3309         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3310         ffsi2_no_cmove for !TARGET_CMOVE.
3311         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3312         (ffssi2): Remove expander.
3313         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3314         mode iterator.
3315         (ctz<mode>2): Ditto from ctz{si,di}2.
3316         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3317         mode iterator.
3318         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3319         mode iterator.
3320
3321 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3322
3323         * dwarf2out.c (AT_linkage_name): Define.
3324         (clone_as_declaration): Handle DW_AT_linkage_name.
3325         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3326         of DW_AT_MIPS_linkage_name.
3327         (move_linkage_attr): Likewise.
3328         (dwarf2out_finish): Likewise.
3329
3330 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3331
3332         PR middle-end/41952
3333         * fold-const.c (fold_comparison): New folding rule.
3334
3335 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3336
3337         * double-int.h (double_int_setbit): Declare.
3338         * double-int.c (double_int_setbit): New function.
3339         * rtl.h (immed_double_int_const): Declare.
3340         * emit-rtl.c (immed_double_int_const): New function.
3341         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3342         and immed_double_int_const functions.
3343         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3344         expand_copysign_bit):  (Ditto.).
3345         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3346         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3347         * dojump.c (prefer_and_bit_test): (Ditto.).
3348         * expr.c (convert_modes, reduce_to_bit_field_precision,
3349         const_vector_from_tree): (Ditto.).
3350         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3351
3352 2010-04-20  Jan Hubicka  <jh@suse.cz>
3353
3354         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3355         (dump_cgraph_node): Dump new flags.
3356         * cgraph.h (struct cgraph_node): Add flags
3357         reachable_from_other_partition and in_other_partition.
3358         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3359         other partition can not be removed.
3360         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3361         the other partition must be output; silence sanity checking on
3362         leaking functions bodies from other paritition.
3363         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3364         (lto_output_node): Output new flags; do not sanity check that inline
3365         clones are output; drop lto_forced_extern_inline_p code; do not mock
3366         visibility flags at partition boundaries.
3367         (add_node_to): New function.
3368         (output_cgraph): Use it to sort functions so masters appear before
3369         clones.
3370         (input_overwrite_node): Input new flags.
3371         * passes.c (ipa_write_summaries): Do not call
3372         lto_new_extern_inline_states.
3373         * lto-section-out.c (forced_extern_inline,
3374         lto_new_extern_inline_states lto_delete_extern_inline_states,
3375         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3376         * lto-streamer.h (lto_new_extern_inline_states,
3377         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3378         lto_forced_extern_inline_p): Kill.
3379
3380 2010-04-20  Richard Guenther  <rguenther@suse.de>
3381
3382         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3383         from vars that can have pointers.
3384         (process_constraint): Dump useless constraints.
3385
3386 2010-04-20  Richard Guenther  <rguenther@suse.de>
3387
3388         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3389         (dump_sa_points_to_info): Remove asserts.
3390         (init_base_vars): nothing_id isn't an escape point nor does it
3391         have pointers.
3392
3393 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3394
3395         * tree.h (TYPE_REF_IS_RVALUE): Define.
3396         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3397         should_move_die_to_comdat, prune_unused_types_walk): Handle
3398         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3399         (modified_type_die, gen_reference_type_die): Emit
3400         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3401         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3402
3403 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3404
3405         PR target/43635
3406         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3407         calls for -fpic -m31 if they have been sibcall optimized.
3408
3409 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3410
3411         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3412         ar.lc fixed and call-used.
3413
3414         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3415
3416 2010-04-19  Jan Hubicka  <jh@suse.cz>
3417
3418         * opts.c (decode_options): Disable whpr incompatible passes.
3419         * lto/lto.c (lto_1_to_1_map): Skip clones.
3420         (read_cgraph_and_symbols): Do not mark everything as needed.
3421         (do_whole_program_analysis): Do map only after optimizing;
3422         set proper cgraph_state; use passmanager.
3423
3424 2010-04-19  DJ Delorie  <dj@redhat.com>
3425
3426         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3427         POINTER_PLUS_EXPR and fix them.