1 2010-05-18 Jakub Jelinek <jakub@redhat.com>
4 * var-tracking.c (find_loc_in_1pdv): Add a few checks from
7 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
9 * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
10 lto-macho as lto_binary_reader.
12 * darwin.c (darwin_asm_named_section): Do not add assembler comment
13 after .section directive; just print it before the directive instead.
15 2010-05-17 Jan Hubicka <jh@suse.cz>
17 * cgraph.c (cgraph_create_virtual_clone): Only check
18 versionable_function_p when not in wpa and checking is enabled.
19 * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
20 there are no more functions to materialize.
22 2010-05-17 Jan Hubicka <jh@suse.cz>
24 * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
25 * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
27 (output_cgraph): Call output_cgraph_opt_summary.
28 (input_cgrpah): Call input_cgraph_opt_summary.
29 (output_cgraph_opt_summary_p, output_node_opt_summary,
30 input_node_opt_summary, input_cgraph_opt_section): New functions.
31 * lto-section-in.c (lto_section_name): Add cgraphopt.
32 * tree-inline.c (tree_function_versioning): Handle parm_num.
33 * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
34 * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
36 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
38 * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
39 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
40 the insn to prefetch ratio heuristic to loops with known trip count.
42 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
44 * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
45 (schedule_prefetches): Do not generate a prefetch if the unroll factor
46 is far from what is required by the prefetch.
48 2010-05-17 Jan Hubicka <jh@suse.cz>
50 * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
51 (ipcp_estimate_growth): Likewise.
52 (ipcp_const_param_count): Likewise.
53 (ipcp_insert_stage): Likewise.
54 * ipa-prop.c (visit_load_for_mod_analysis): New function.
55 (visit_store_addr_for_mod_analysis): Set used flag.
56 (ipa_detect_param_modifications): Set used flag for SSE params;
57 update use of walk_stmt_load_store_addr_ops.
58 (ipa_print_node_params): Print used flag.
59 (ipa_write_node_info): Stream used flag.
60 (ipa_read_node_info): Likewise.
61 * ipa-prop.h (struct ipa_param_descriptor): Add used field.
62 (ipa_is_param_used): New function.
63 (lto_ipa_fixup_call_notes): Remove unused declaration.
65 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
68 * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
69 * configure: Regenerate.
70 * config.in: Regenerate.
71 * config/i386/i386.c (print_operand) <case ;>: Also print ; if
72 !HAVE_AS_IX86_REP_LOCK_PREFIX.
73 Don't emit whitespace.
74 * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
75 (*rep_movsi): Likewise.
76 (*rep_movsi_rex64): Likewise.
77 (*rep_movqi): Likewise.
78 (*rep_movqi_rex64): Likewise.
79 (*rep_stosdi_rex64): Likewise.
80 (*rep_stossi): Likewise.
81 (*rep_stossi_rex64): Likewise.
82 (*rep_stosqi): Likewise.
83 (*rep_stosqi_rex64): Likewise.
84 (*cmpstrnqi_nz_1): Use {%;} after repz.
85 (*cmpstrnqi_nz_rex_1): Likewise.
86 (*cmpstrnqi_1): Likewise.
87 (*cmpstrnqi_rex_1): Likewise.
88 (*strlenqi_1): Use {%;} after repnz.
89 (*strlenqi_rex_1): Likewise.
90 * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
91 (*sync_compare_and_swap<mode>): Likewise.
92 (sync_double_compare_and_swap<mode>): Likewise.
93 (*sync_double_compare_and_swapdi_pic): Likewise.
94 (sync_old_add<mode>): Likewise.
95 (sync_add<mode>): Likewise.
96 (sync_sub<mode>): Likewise.
97 (sync_<code><mode>): Likewise.
99 2010-05-17 Martin Jambor <mjambor@suse.cz>
101 * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
102 otr_token and polymorphic.
103 * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
104 (cgraph_clone_edge): Copy the above fields.
105 * tree.c (get_binfo_at_offset): New function.
106 * tree.h (get_binfo_at_offset): Declare.
107 * ipa-prop.h (enum jump_func_type): Added known_type jump function
108 type, reordered items, updated comments.
109 (union jump_func_value): Added base_type field, reordered fields.
110 (enum ipa_lattice_type): Moved down in the file.
111 (struct ipa_param_descriptor): New field polymorphic.
112 (ipa_is_param_polymorphic): New function.
113 * ipa-prop.c: Include gimple.h and gimple-fold.h.
114 (ipa_print_node_jump_functions): Print known type jump functions.
115 (compute_complex_pass_through): Renamed to...
116 (compute_complex_assign_jump_func): this.
117 (compute_complex_ancestor_jump_func): New function.
118 (compute_known_type_jump_func): Likewise.
119 (compute_scalar_jump_functions): Create known type and complex ancestor
121 (ipa_note_param_call): New parameter polymorphic, set the corresponding
122 flag in the call note accordingly.
123 (ipa_analyze_call_uses): Renamed to...
124 (ipa_analyze_indirect_call_uses): this. New parameter target, define
125 variable var only in the block where it is used.
126 (ipa_analyze_virtual_call_uses): New function.
127 (ipa_analyze_call_uses): Likewise.
128 (combine_known_type_and_ancestor_jfs): Likewise.
129 (update_jump_functions_after_inlining): Implemented handling of a
130 number of new jump function types combination.
131 (print_edge_addition_message): Removed.
132 (make_edge_direct_to_target): New function.
133 (try_make_edge_direct_simple_call): Likewise.
134 (try_make_edge_direct_virtual_call): Likewise.
135 (update_call_notes_after_inlining): Renamed to...
136 (update_indirect_edges_after_inlining): this. Moved edge creation for
137 indirect calls to try_make_edge_direct_simple_call, also calls
138 try_make_edge_direct_virtual_call for virtual calls.
139 (ipa_print_node_params): Changed the header message.
140 (ipa_write_jump_function): Stream also known type jump functions.
141 (ipa_read_jump_function): Likewise.
142 (ipa_write_indirect_edge_info): Stream new fields in
143 cgraph_indirect_call_info.
144 (ipa_read_indirect_edge_info): Likewise.
145 * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
148 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
150 * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
152 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
154 * tree.h (CALL_EXPR_ARGS): Delete.
155 (call_expr_arglist): Delete.
156 * tree.c (call_expr_arglist): Delete.
157 * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
158 targetm.fold_builtin.
159 * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
160 Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
161 * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
162 arglist parameter. Use CALL_EXPR_ARG.
163 (picochip_expand_builtin_3op): Likewise.
164 (picochip_expand_builtin_2opvoid): Likewise.
165 (picochip_expand_array_get): Likewise.
166 (picochip_expand_array_put): Likewise.
167 (picochip_expand_array_testport): Likewise.
168 (picochip_expand_builtin): Don't call CALL_EXPR_ARGS. Pass exp
170 * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
172 * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
173 than TREE_VALUE and TREE_CHAIN.
174 * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
175 * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
178 2010-05-17 Jakub Jelinek <jakub@redhat.com>
181 * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
182 to have no fallthru edge.
185 * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
186 bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
187 mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
188 add BARRIER after previous bb if needed.
190 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
192 * tree.c (build_function_type_list_1): Remove bogus assert condition.
194 2010-05-17 Alan Modra <amodra@gmail.com>
196 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
197 unnecessary prototype. Replace copy_r12 and copy_r11 flag params
198 with copy_reg rtx param.
199 (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
200 Correct cases where code for ABI_V4 did not initialise the reg
201 used to access frame. Also leave frame_reg_rtx as sp for large
202 frames that save no regs.
204 2010-05-17 Martin Jambor <mjambor@suse.cz>
207 * tree-sra.c (create_access_replacement): New parameter rename, mark
208 the replaement for renaming only when it is true.
209 (get_access_replacement): Pass true in the rename parameter of
210 create_access_replacement.
211 (get_unrenamed_access_replacement): New function.
212 (replace_uses_with_default_def_ssa_name): New parameter racc, get the
213 replacement declaration from it.
215 2010-05-17 Bernd Schmidt <bernds@codesourcery.com>
217 * function.c (try_fit_stack_local, add_frame_space): New static
219 (assign_stack_local_1): Use them. Look for opportunities to use
220 space previously wasted on alignment.
221 * function.h (struct frame_space): New.
222 (struct rtl_data): Add FRAME_SPACE_LIST member.
223 * reload1.c (something_was_spilled): New static variable.
225 (reload): Test it in addition to testing if the frame size changed.
227 2010-05-17 Christian Borntraeger <borntraeger@de.ibm.com>
229 * config/s390/s390.c: Define sane prefetch settings and activate
230 flag_prefetch_loop_arrays on -O3.
231 * config/s390/s390.h: Declare that read can use write prefetch.
233 2010-05-17 Jakub Jelinek <jakub@redhat.com>
235 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
238 2010-05-16 Jan Hubicka <jh@suse.cz>
240 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
241 function body; do not check stdarg field of struct function.
243 2010-05-16 Jan Hubicka <jh@suse.cz>
245 * cgraph.c (dump_cgraph_node): Dump versionable flag.
246 * cgraph.h (cgraph_local_info): Add versionable flag.
247 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
248 (ipcp_versionable_function_p): Use it.
249 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
252 2010-05-16 Jan Hubicka <jh@suse.cz>
254 * cgraph.c (cgraph_clone_node): Take decl argument and insert
255 clone into hash when it is different from orig.
256 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
257 * cgraph.h (cgraph_clone_node): Update prototype.
258 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
259 (lto_cgraph_encoder_delete): Delete body map.
260 (lto_cgraph_encoder_size): Move to header.
261 (lto_cgraph_encoder_encode_body_p,
262 lto_set_cgraph_encoder_encode_body): New.
263 (lto_output_node): Do not take written_decls argument; output clone_of
265 (add_node_to): Add include_body_argument; call
266 lto_set_cgraph_encoder_encode_body on master of the clone.
267 (add_references): Update use of add_node_to.
268 (compute_ltrans_boundary): Likewise.
269 (output_cgraph): Do not create written_decls bitmap.
270 (input_node): Take nodes argument; stream in clone_of correctly.
271 (input_cgraph_1): Update use of input_node.
272 * lto-streamer-out.c (lto_output): Use encoder info to decide
273 what bodies to output.
274 * ipa-inline.c (cgraph_clone_inlined_nodes,
275 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
276 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
277 (lto_cgraph_encoder_size): Define here.
278 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
281 2010-05-16 Richard Guenther <rguenther@suse.de>
283 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
285 * ipa-type-escape.c (gate_type_escape_vars): Run when
286 -fipa-struct-reorg runs.
287 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
288 * common.opt (fipa-type-escape): Remove.
290 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
292 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
293 (decode_options): Likewise.
294 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
296 2010-05-16 Jan Hubicka <jh@suse.cz>
298 * ipa.c (function_and_variable_visibility): Also bring local all
301 2010-05-16 Richard Guenther <rguenther@suse.de>
303 * alias.c (nonoverlapping_memrefs_p): Remove use of
304 IPA type-escape information.
306 2010-05-16 Joseph Myers <joseph@codesourcery.com>
308 * c-common.c (c_common_reswords): Add _Static_assert for C.
309 * c-parser.c (c_token_starts_declaration,
310 c_parser_next_token_starts_declaration,
311 c_parser_static_assert_declaration_no_semi,
312 c_parser_static_assert_declaration): New.
313 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
314 Handle static assertions if static_assert_ok.
315 (c_parser_external_declaration, c_parser_declaration_or_fndef,
316 c_parser_compound_statement_nostart, c_parser_label,
317 c_parser_for_statement, c_parser_objc_methodprotolist,
318 c_parser_omp_for_loop): All callers of
319 c_parser_declaration_or_fndef changed.
320 (c_parser_struct_declaration): Handle static assertions.
321 (c_parser_compound_statement_nostart): Use
322 c_parser_next_token_starts_declaration and
323 c_token_starts_declaration to detect start of declarations.
324 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
327 2010-05-16 Anatoly Sokolov <aesok@post.ru>
329 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
330 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
331 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
332 TARGET_FUNCTION_VALUE_REGNO_P): Define.
333 (mmix_function_outgoing_value): Rename to...
334 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
335 (mmix_function_value_regno_p): Make static.
336 (mmix_libcall_value): New function.
337 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
338 mmix_function_value_regno_p): Remove declaration.
340 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
342 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
343 BUILT_IN_ALLOCA if stack checking is enabled.
345 2010-05-16 Richard Guenther <rguenther@suse.de>
347 * var-tracking.c (vars_copy_1): Inline ...
348 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
349 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
350 (variable_merge_over_cur): Adjust. Merge asserts.
351 (variable_merge_over_src): Likewise.
352 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
353 (variable_post_merge_new_vals): Merge asserts.
354 (variable_post_merge_perm_vals): Likewise.
355 (find_mem_expr_in_1pdv): Likewise.
356 (dataflow_set_different_value): Remove.
357 (onepart_variable_different_p): Merge asserts.
358 (variable_different_p): Likewise.
359 (dataflow_set_different_1): Inline ...
360 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
361 (emit_notes_for_differences_1): Merge asserts.
363 2010-05-16 Richard Guenther <rguenther@suse.de>
365 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
366 * optabs.c (libfunc_decl_hash): Likewise.
367 * varasm.c (emutls_decl): Likewise.
369 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
371 * c-decl.c: Don't include gimple.h.
372 (merge_decls): Do not copy gimple_body.
374 2010-05-15 Jason Merrill <jason@redhat.com>
376 * c.opt: Add -fnothrow-opt.
378 2010-05-15 Jan Hubicka <jh@suse.cz>
380 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
382 * passes.c (ipa_write_summaries): Write all analyzed nodes.
384 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
386 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
387 * Makefile.in: Add it.
388 Fix all other Makefile dependencies for changes below.
389 * tree.h: Include it instead of defining VEC primitives here.
390 * gimple.h: Likewise.
392 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
393 * except.h: Include vecir.h, break dependence on tree.h.
395 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
397 * tree-iterator.c: ...to here.
398 * tree-iterator.h: Fix file introduction comment. Add extern markers.
400 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
402 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
403 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
404 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
405 tree-mudflap.h, and target.h.
406 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
407 predict.h, tree-inline.h, gimple.h, and langhooks.h.
408 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
409 Add FIXME for why gimple.h is still included (should be unnecessary
410 since GCC 4.5 gimplification unit-at-a-time).
411 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
412 * c-pragma.c: Add FIXME for why function.h needs to be included just
413 for cfun, at front-end level.
414 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
415 Do not include ggc.h, but include vecprim.h for VEC(char).
416 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
417 Explain why target.h is included.
418 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
419 Explain why gimple.h is included.
420 * c-ppoutput.c: Do not include tm.h.
421 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
422 * c-parses.c: Explain why rtl.h is included, and that this (and only
423 this) is also why tm.h must be included.
424 Do not include except.h.
425 * c-lang.c: Do not include ggc.h.
427 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
429 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
431 2010-05-15 Joseph Myers <joseph@codesourcery.com>
433 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
434 unions by default if those structs and unions have no tags. Do
435 not condition anonymous struct and unions handling on flag_iso.
436 Allow anonymous structs and unions for C1X.
437 (finish_struct): Do not diagnose lack of named fields when
438 anonymous structs and unions present for C1X. Accept flexible
439 array members in structure with anonymous structs or unions but no
440 directly named fields.
441 * doc/extend.texi (Unnamed Fields): Update.
443 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
445 * gimple.h (compare_field_offset): Rename into...
446 (gimple_compare_field_offset): ...this.
447 * gimple.c (compare_field_offset): Rename into...
448 (gimple_compare_field_offset): ...this. Compare the full access if
449 the offset is self-referential.
450 (gimple_types_compatible_p): Adjust for above renaming.
451 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
452 DECL_NONADDRESSABLE_P flag of fields before merging them.
454 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
456 * tree.h (ctor_to_list): Delete.
457 * tree.c (ctor_to_list): Delete.
459 2010-05-15 Jan Hubicka <jh@suse.cz>
461 * ipa-reference.c: Include toplev.h
462 (is_proper_for_analysis): Only add to all_module_statics
464 (write_node_summary_p, stream_out_bitmap,
465 ipa_reference_write_optimization_summary,
466 ipa_reference_read_optimization_summary): New.
467 (struct ipa_opt_pass_d pass_ipa_reference): Add
468 optimization summary streaming.
469 * lto-cgraph.c (referenced_from_this_partition_p,
470 reachable_from_this_partition_p): New functions.
471 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
472 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
473 * opts.c (decode_options): Enable ipa_reference.
474 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
475 * lto-streamer.h (referenced_from_this_partition_p,
476 reachable_from_this_partition_p): Declare.
478 2010-05-15 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/44038
481 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
482 taking the address of a V_C_E of a constant.
484 2010-05-14 Jan Hubicka <jh@suse.cz>
486 * tree.h (memory_identifier_string): Remove.
487 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
488 (ipa_reference_global_vars_info_d): Remove statics_not_read and
490 (ipa_reference_optimization_summary_d): New structure.
491 (ipa_reference_optimization_summary_t): New type and vector.
492 (ipa_reference_vars_info_d): Embedd structures instead of using
494 (reference_vars_to_consider): Remove out of GGC space.
495 (module_statics_escape): Remove.
496 (global_info_obstack): Rename to ...
497 (optimization_summary_obstack): ... this one.
498 (initialization_status_t): Remove.
499 (memory_identifier_string): Remove.
500 (get_reference_vars_info): Fix indenting.
501 (set_reference_vars_info): Likewise.
502 (get_reference_optimization_summary): New.
503 (set_reference_optimization_summary): New.
504 (get_global_reference_vars_info): Remove.
505 (ipa_reference_get_read_global): Remove.
506 (ipa_reference_get_written_global): Remove.
507 (ipa_reference_get_not_read_global): Update.
508 (ipa_reference_get_not_written_global): Update.
509 (is_proper_for_analysis): Outlaw addressable.
510 (propagate_bits): Update for new datastructures.
511 (analyze_variable): Remove.
512 (init_function_info): Update for new datastructures.
513 (clean_function_local_data): Remove.
514 (clean_function): Remove.
515 (copy_global_bitmap): Use optimizations_summary_obstack.
516 (duplicate_node_data): Duplicate optimization summary only.
517 (remove_node_data): Remove optimization summary only.
518 (generate_summary): Do not analyze variables; do not compute
519 module_statics_escape; do not prune solutions by it.
520 (read_write_all_from_decl): Fix typos in comments.
521 (propagate): Doscover readonly and nonaddressable first;
522 update for new datastructures; share global bitmaps.
523 * ipa-reference.h (ipa_reference_get_read_global,
524 ipa_reference_get_written_global): Remove.
525 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
526 * Makefile.in: Remove ipa-refereference from GT files.
528 2010-05-14 Jakub Jelinek <jakub@redhat.com>
531 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
532 for all SYMBOL_REF_DECLs.
534 2010-05-14 Jan Hubicka <jh@suse.cz>
536 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
537 (varpool_all_refs_explicit_p): New inline function.
538 * ipa-reference.c: Update comment.
539 (module_statics_written): Remove.
540 (get_static_decl): Remove.
541 (ipa_init): Do not initialize module_statics_written.
542 (analyze_function): Likewise.
543 (generate_summary): Likewise; do not compute module_statics_readonly
544 and do not update variable flags.
545 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
546 * ipa.c: Inlucde flags.h
547 (cgraph_local_node_p): New.
548 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
549 promote functions to local.
550 (ipa_discover_readonly_nonaddressable_vars): New function.
551 (function_and_variable_visibility): Use cgraph_local_node_p.
552 * varpool.c (varpool_finalize_decl): Set force_output for
553 DECL_PRESERVE_P vars.
555 2010-05-14 Jan Hubicka <jh@suse.cz>
557 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
559 2010-05-14 Richard Guenther <rguenther@suse.de>
561 PR tree-optimization/44119
562 * tree-ssa-pre.c (eliminate): Properly mark replacement of
563 a PHI node necessary.
565 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
567 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
569 2010-05-14 Jason Merrill <jason@redhat.com>
572 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
573 (gimple_call_set_nothrow): New.
574 * gimple.c (gimple_build_call_from_tree): Call it.
575 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
578 * gimplify.c (gimplify_seq_add_stmt): No longer static.
579 * gimple.h: Declare it.
580 * gimple.c (gimple_build_eh_filter): No ops.
582 2010-05-14 Jan Hubicka <jh@suse.cz>
584 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
585 nodes already in queue.
586 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
589 2010-05-14 Jakub Jelinek <jakub@redhat.com>
592 * cfgexpand.c (expand_debug_expr): If non-memory op0
593 has BLKmode, return NULL.
595 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
597 * config.gcc: Add support for --with-cpu option for bdver1.
598 * config/i386/i386.h (TARGET_BDVER1): New macro.
599 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
600 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
601 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
602 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
603 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
604 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
605 (processor_type): Add PROCESSOR_BDVER1.
606 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
607 processor_type in config/i386/i386.h.
608 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
609 movaps <reg, reg> instead of movapd <reg, reg> when replacing
610 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
611 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
612 to emit packed xor instead of packed double/packed integer
613 xor for SSE and AVX when moving a zero value.
614 * config/i386/sse.md: Add check for
615 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
616 movapd/movdqa for SSE and AVX.
617 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
618 single logical operations i.e and, or and xor instead of packed double
619 logical operations for SSE and AVX.
620 * config/i386/i386-c.c (ix86_target_macros_internal):
621 Add PROCESSOR_BDVER1.
622 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
623 (has_fma4, has_xop): New.
624 * config/i386/i386.c (bdver1_cost): New variable.
625 (m_BDVER1): New macro.
626 (m_AMD_MULTIPLE): Add m_BDVER1.
627 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
628 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
629 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
630 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
631 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
632 x86_tune_sse_partial_reg_dependency,
633 x86_tune_sse_unaligned_load_optimal,
634 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
635 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
636 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
637 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
638 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
639 Enable/disable for bdver1.
640 (processor_target_table): Add bdver1_cost.
641 (cpu_names): Add bdver1.
642 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
643 processor_alias_table.
644 (ix86_expand_vector_move_misalign): Change.
645 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
646 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
647 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
648 of movupd/movdqu for SSE and AVX.
649 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
650 (ix86_tune_adjust_cost): Add code for bdver1.
651 (standard_sse_constant_opcode): Add check for
652 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
653 of packed double xor for SSE and AVX.
655 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
657 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
660 2010-05-14 Tristan Gingold <gingold@adacore.com>
662 * toplev.c (default_debug_hooks): Remove this variable.
663 (process_options): Remove assignments to default_debug_hooks.
665 2010-05-14 Martin Jambor <mjambor@suse.cz>
667 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
668 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
669 * langhooks.h (struct lang_hooks_for_decls): Removed field
671 * tree.c (free_lang_data): Remove assignment to
672 lang_hooks.fold_obj_type_ref.
673 * tree.def (OBJ_TYPE_REF): Update comment.
675 2010-05-14 Richard Guenther <rguenther@suse.de>
677 PR tree-optimization/44124
678 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
680 2010-05-14 Alan Modra <amodra@gmail.com>
683 * config/rs6000/rs6000.c (struct machine_function): Reorder
684 fields for better packing. Add lr_save_state.
685 (rs6000_ra_ever_killed): Return lr_save_state if set.
686 (rs6000_emit_eh_reg_restore): Set lr_save_state.
688 2010-05-13 Jan Hubicka <jh@suse.cz>
690 * varpool.c (decide_is_variable_needed): Drop code checking
691 TREE_SYMBOL_REFERENCED.
693 2010-05-13 Jan Hubicka <jh@suse.cz>
695 * final.c (output_addr_const): Do not call mark_decl_referenced.
696 * cgraphunit.c (process_function_and_variable_attributes): Use
697 mark_needed_node dirrectly.
698 (assemble_thunk): Do not call mark_decl_referenced.
700 2010-05-13 Anatoly Sokolov <aesok@post.ru>
702 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
704 2010-05-13 Jeff Law <law@redhat.com>
706 * ira-conflicts.c (print_allocno_conflicts): New function broken out
708 (print_conflicts): Call print_allocno_conflicts.
710 2010-05-13 Jakub Jelinek <jakub@redhat.com>
713 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
716 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
718 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
719 t-mingw-w64 or t-mingw-w32 for multilib configuration.
720 * config/i386/t-mingw-w32: New.
721 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
723 2010-05-13 Martin Jambor <mjambor@suse.cz>
725 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
727 * gimple-fold.c (get_base_binfo_for_type): New function.
728 (gimple_get_relevant_ref_binfo): Likewise.
729 (gimple_fold_obj_type_ref_known_binfo): Likewise.
730 (gimple_fold_obj_type_ref): Likewise.
731 (fold_gimple_call): Simplify condition for folding virtual calls
732 and call gimple_fold_obj_type_ref.
733 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
734 (gimple_fold_obj_type_ref_known_binfo): Likewise.
736 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
738 * config/rs6000/rs6000-protos.h
739 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
740 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
741 (rs6000_debug_mode_dependent_address)
742 (rs6000_mode_dependent_address_ptr): Likewise.
744 2010-05-13 Jakub Jelinek <jakub@redhat.com>
747 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
749 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
750 * tree-sra.c (create_access_replacement): Call unshare_expr before
751 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
752 * dwarf2out.c: Include tree-flow.h.
753 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
754 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
755 Handle DW_OP_bit_piece.
756 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
757 construct_piece_list, adjust_piece_list): New functions.
758 (add_var_loc_to_decl): Handle SRA optimized variables.
759 Adjust for var_loc_note to loc field renaming.
760 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
761 in VAR_LOCATION note.
762 (new_loc_descr_op_bit_piece): New function.
763 (dw_sra_loc_expr): New function.
764 (dw_loc_list): Use it. Don't handle the last range after the
765 loop, handle it inside of the loop. Adjust for var_loc_note
766 to loc field renaming.
767 (add_location_or_const_value_attribute): Only special case
768 single entry loc lists if loc is NOTE_P. Adjust for
769 var_loc_note to loc field renaming.
770 (dwarf2out_var_location): Don't set newloc->var_loc_note
771 and newloc->next here.
773 2010-05-12 Jan Hubicka <jh@suse.cz>
775 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
777 * cgraph.h (cgraph_only_called_directly_p,
778 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
779 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
780 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
782 * ipa.c (cgraph_remove_unreachable_nodes): Use
783 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
785 * tree-inline.c (copy_bb): Check address_taken flag.
786 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
787 externally_visible flag.
789 2010-05-12 Jason Merrill <jason@redhat.com>
793 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
794 * sdbout.c (plain_type_1): Likewise.
795 * dwarf2out.c (is_base_type): Likewise.
796 (gen_type_die_with_usage): Likewise. Generate
797 DW_TAG_unspecified_type for any LANG_TYPE.
799 2010-05-12 Jan Hubicka <jh@suse.cz>
801 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
803 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
804 (cgraph_clone_edge): Update.
805 (cgraph_node_remove_callees): Remove indirect calls too.
806 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
807 (cgraph_create_indirect_edge): Update prototype.
808 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
809 is_proper_for_analysis.
810 (add_new_function, visited_nodes, function_insertion_hook_holder,
811 get_local_reference_vars_info, mark_address_taken, mark_address,
812 mark_load, mark_store, check_asm_memory_clobber, check_call,
813 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
814 (ipa_init): Do not initialize visited_nodes;
815 function_insertion_hook_holder.
816 (analyze_variable): Rewrite.
817 (analyze_function): Rewrite.
818 (copy_local_bitmap): Remove.
819 (duplicate_node_dat): Do not duplicate local info.
820 (generate_summary): Simplify to only walk cgraph.
821 (write_node_summary_p, ipa_reference_write_summary,
822 ipa_reference_read_summary): Remove.
823 (propagate): Do not remove function insertion;
825 (pass_ipa_reference): NULLify summary handling fields.
826 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
827 (input_edge): Input ecf_flags.
828 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
829 (update_indirect_edges_after_inlining): Ignore edges with unknown
832 2010-05-12 Sriraman Tallam <tmsriram@google.com>
834 * implicit-zee.c: New file.
835 * tree-pass.h (pass_implicit_zee): Declare.
836 * passes.c (init_optimization_passes): Add zee pass.
837 * common.opt (fzee): New flag.
838 * timevar.def (TV_ZEE): Define.
839 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
841 * Makefile.in (implicit-zee.o): Add new build file.
843 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
844 Nathan Froyd <froydnj@codesourcery.com>
846 * c-common.c (sync_resolve_params): Remove write-only variable.
848 2010-05-12 Anatoly Sokolov <aesok@post.ru>
850 * target.h (struct gcc_target): Add mode_dependent_address_p field.
851 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
852 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
853 * targhooks.c (default_mode_dependent_address_p): New function.
854 * targhooks.h (default_mode_dependent_address_p): Declare function.
855 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
856 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
857 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
858 target hook. Change return type to bool.
859 * recog.h: (mode_dependent_address_p): Change return type to bool.
861 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
862 Nathan Froyd <froydnj@codesourcery.com>
864 * tree-mudflap.c (build_function_type_0, build_function_type_1,
865 build_function_type_2, build_function_type_3): Remove.
866 (mudflap_init): Use build_function_type_list.
868 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
869 Nathan Froyd <froydnj@codesourcery.com>
871 * coverage.c (build_fn_info_value): Call build_constructor instead of
872 build_constructor_from_list.
873 (build_ctr_info_value): Likewise.
874 (build_gcov_info): Likewise.
876 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
878 * tree.c (build_constructor): Compute TREE_CONSTANT for the
879 resultant constructor.
880 (build_constructor_single): Don't set TREE_CONSTANT.
881 (build_constructor_from_list): Don't compute TREE_CONSTANT.
883 2010-05-12 Jan Hubicka <jh@suse.cz>
885 * cgraph.h (struct varpool_node): Add aux.
886 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
887 * varpool.c (varpool_remove_node): Do not remove initializer.
888 (varpool_reset_queue): Export.
889 (varpool_finalize_decl): Volatile vars are forced to be output.
890 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
892 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
893 process_references, varpool_can_remove_if_no_refs): New functions.
894 (cgraph_remove_unreachable_nodes): Handle variables too.
896 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
899 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
901 2010-05-12 Jakub Jelinek <jakub@redhat.com>
904 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
905 change value of ORT_TASK.
906 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
907 (omp_notice_threadprivate_variable): New function.
908 (omp_notice_variable): Call it for threadprivate variables.
909 If enclosing ctx is a task, print enclosing task rather than
910 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
911 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
912 if task has untied clause.
915 * dwarf2out.c (base_type_die): Don't add name attribute here.
916 (modified_type_die): Instead of sizetype use
917 its underlying original type. If a DW_TAG_base_type doesn't
918 have name added, add __unknown__.
919 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
920 always call force_type_die instead.
922 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
924 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
925 for __stack_chk_guard.
927 2010-05-11 Jakub Jelinek <jakub@redhat.com>
929 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
930 don't call start_source_file debug hook here...
931 (finish_options): ... but here, after outputting predefined and
932 command line defines and undefs.
935 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
937 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
938 optimizing away empty bb with no successors, move over its
939 footer chain to fallthru predecessor.
940 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
941 (rtl_split_edge): For asm goto call patch_jump_insn even if
942 splitting fallthru edge.
945 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
946 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
947 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
948 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
952 * c-parser.c (c_parser_expression): Mark LHS of a comma
953 expression as read if it is a decl, handled component or
954 COMPOUND_EXPR with that on the RHS.
955 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
956 if it is a decl or handled component.
958 2010-05-11 Jan Hubicka <jh@suse.cz>
960 * lto-symtab.c (lto_symtab_free): New function.
961 * lto-streamer.h (lto_symtab_free): Declare.
963 2010-05-11 Jan Hubicka <jh@suse.cz>
965 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
966 that if function is needed it is reachable.
967 (lto_output_node): See if it the function is reachable or referenced.
968 (output_cgraph): Update call of lto_output_node.
969 * lto-streamer.h (reachable_from_other_partition_p): Declare.
971 2010-05-11 Jan Hubicka <jh@suse.cz>
973 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
976 2010-05-11 Jan Hubicka <jh@suse.cz>
978 PR tree-optimize/44063
979 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
981 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
983 (estimate_function_body_sizes): Compute sizes even when disregarding.
985 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
987 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
989 2010-05-11 Jan Hubicka <jh@suse.cz>
991 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
994 2010-05-11 Jan Hubicka <jh@suse.cz>
996 * matrix-reorg.c (matrix_reorg): Rebuild edges.
998 2010-05-11 Jan Hubicka <jh@suse.cz>
1000 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1001 lto_streamer_cache_delete): Put nodes into heap.
1002 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1005 2010-05-11 Jan Hubicka <jh@suse.cz>
1007 * cgraphbuild.c (cgraph_rebuild_references): New.
1008 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1010 * cgraph.h (cgraph_rebuild_references): Declare.
1011 * tree-inline.c (tree_function_versioning): Use it.
1012 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1014 2010-05-11 Jan Hubicka <jh@suse.cz>
1016 * cgraph.c: Include ipa-utils.h
1017 (cgraph_create_virtual_clone): Update references.
1018 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1020 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1022 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1023 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1026 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1028 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1030 2010-05-11 Jakub Jelinek <jakub@redhat.com>
1032 * gcc.c (execute): For -### don't quote arguments that
1033 contain just alphanumerics and _/-. characters.
1034 * doc/invoke.texi: Document that change for -###.
1037 * df-problems.c (struct dead_debug): Add to_rescan field.
1038 (dead_debug_init): Clear to_rescan field.
1039 (dead_debug_finish): Rescan all debug insns in to_rescan
1040 bitmap and free the bitmap.
1041 (dead_debug_insert_before): Instead of rescanning debug insns
1042 immediately queue their rescanning until dead_debug_finish.
1043 (df_note_bb_compute): After dead_debug_add do continue instead
1046 2010-05-10 Jakub Jelinek <jakub@redhat.com>
1049 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1050 clear also INSN_REG_USE_LIST.
1052 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1054 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1056 2010-05-10 Jan Hubicka <jh@suse.cz>
1058 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1061 2010-05-10 Jan Hubicka <jh@suse.cz>
1063 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1065 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1066 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1067 (lto_streamer_cache_create): Init alloc pool.
1068 (lto_streamer_cache_delete): Free alloc pool.
1069 * lto-streamer.h: Include alloc pool.
1070 (lto_streamer_cache_d): Use alloc pool.
1071 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1073 2010-05-10 Jan Hubicka <jh@suse.cz>
1075 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1076 * cgraphbuild.c: Include except.h
1077 (record_type_list, record_eh_tables): New function.
1078 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1080 2010-05-10 Jan Hubicka <jh@suse.cz>
1082 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1083 __frame_dummy_init_array_entry, force_to_data): Attribute as used
1086 2010-05-10 Michael Matz <matz@suse.de>
1088 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1089 (can_reassociate_p): Use FLOAT_TYPE_P.
1090 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1091 (vect_force_simple_reduction): ... this.
1092 * tree-parloops.c (gather_scalar_reductions): Use
1093 vect_force_simple_reduction.
1094 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1095 vect_is_simple_reduction, add modify argument, if true rewrite
1096 "a-b" into "a+(-b)".
1097 (vect_is_simple_reduction, vect_force_simple_reduction): New
1099 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1101 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
1102 Vladimir Makarov <vmakarov@redhat.com>
1104 PR rtl-optimization/44012
1105 * ira-build.c (remove_unnecessary_allocnos): Nullify
1106 regno_allocno_map of the removed allocno.
1108 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1110 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1112 * configure: Regenerate.
1114 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1116 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1118 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1119 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1121 * configure: Regenerate.
1123 2010-05-10 Richard Guenther <rguenther@suse.de>
1125 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1126 marked if the entry identifier is marked.
1128 2010-05-10 Richard Guenther <rguenther@suse.de>
1130 * c-common.c (struct c_common_attributes): Add fnspec attribute.
1131 (handle_fnspec_attribute): New function.
1132 * gimple.h (gimple_call_return_flags): Declare.
1133 (gimple_call_arg_flags): Likewise.
1134 * gimple.c (gimple_call_arg_flags): New function.
1135 (gimple_call_return_flags): Likewise.
1136 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1138 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1140 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1141 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1143 (make_heapvar_for): ... this new function.
1144 (handle_rhs_call): Handle fnspec attribute argument specifiers.
1145 (handle_lhs_call): Likewise.
1146 (find_func_aliases): Adjust.
1148 2010-05-10 Richard Guenther <rguenther@suse.de>
1150 PR tree-optimization/44050
1151 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1153 2010-05-10 Wei Guozhi <carrot@google.com>
1156 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1158 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1161 * c-typeck.c (lookup_field): Take a type directly. Update
1163 (build_component_ref): Update call to lookup_field.
1164 (set_init_label): Use lookup_field to find initialized field.
1165 Handle returned list of fields like a sequence of designators.
1167 2010-05-09 Richard Guenther <rguenther@suse.de>
1170 * fold-const.c (tree_single_nonzero_warnv_p): Properly
1171 handle &FUNCTION_DECL.
1173 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1176 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
1177 structures and unions recursively.
1178 (detect_field_duplicates): Move duplicate detection with a hash to
1179 detect_field_duplicates_hash. Always use a hash if anonymous
1180 structures or unions are present.
1181 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1184 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
1187 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1188 detect Atom, Core 2 and Core i7.
1190 2010-05-09 Richard Guenther <rguenther@suse.de>
1192 * gcc.c (store_arg): Handle temporary file deletion for
1195 2010-05-09 Richard Guenther <rguenther@suse.de>
1198 * ipa-inline.c (estimate_function_body_sizes): Return after
1199 disregarding inline limits.
1201 2010-05-09 Richard Guenther <rguenther@suse.de>
1203 * gcc.c (store_arg): Revert last change.
1205 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
1208 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1209 (optimize_ops_list): Call it.
1211 2010-05-08 Richard Guenther <rguenther@suse.de>
1213 PR tree-optimization/44030
1214 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
1215 NECESSARY flag if we propagate from a inserted expression.
1217 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
1219 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1220 domain types as equal if they are both PLACEHOLDER_EXPRs.
1222 2010-05-08 Richard Guenther <rguenther@suse.de>
1224 * lto-wrapper.c (run_gcc): Remove linker output from
1225 command line for LTRANS invocation.
1227 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1229 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1230 lto-macho as lto_binary_reader.
1231 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1232 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1233 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1234 in lto_start and lto_end calls.
1235 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1237 (scan_prog_file): Update is_elf_or_coff call.
1238 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1240 * collect2.c (main): Fix enum comparison.
1242 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1244 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1245 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1246 and TARGET_ASM_LTO_END.
1247 * darwin.c: Include obstack.h and lto-streamer.h.
1248 (lto_section_names_offset, lto_section_names_obstack,
1249 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1251 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1252 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1253 to a temporary file.
1254 (darwin_asm_lto_end): New function. Restore asm_out_file.
1255 (darwin_asm_named_section): For LTO sections, replace the name with
1256 the offset of the section name in a string table, and build this
1258 (darwin_file_start): Initialize global vars for LTO support.
1259 (darwin_file_end): If output to asm_out_file was redirected, append it
1260 to the proper asm_out_file here. Add the section names section.
1262 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1264 * c-pragma.c (pending_weak_d, pending_weak): New.
1265 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1266 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1267 handle_pragma_weak): Update the uses of pending_weaks.
1269 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1271 PR documentation/44016
1272 * doc/standards.texi (Standards): Link to unversioned
1273 cxx0x_status.html page.
1275 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1278 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1279 in addition to TREE_USED, to avoid "set but unused" warnings.
1281 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1283 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1284 (is_loop_prefetching_profitable): Do not insert prefetches
1285 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1286 times the prefetch ahead distance.
1288 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1290 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1291 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1292 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1295 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1297 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1298 a diagnostic info when the insn-to-mem ratio is too small.
1300 2010-05-07 Richard Guenther <rguenther@suse.de>
1302 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1304 (store_arg): Queue temp_filename for deletion instead of
1307 2010-05-07 Richard Guenther <rguenther@suse.de>
1309 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1310 (run_gcc): Handle LTRANS phase invocation.
1311 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1313 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1315 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1316 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1318 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1320 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1322 2010-05-07 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/44020
1325 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1326 code when PRE is not yet initialized.
1328 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1330 * config/mips/dbxmdebug.h: Remove.
1331 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1333 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1335 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1336 with null pointer and also warn about ordered comparison of zero with
1339 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1341 * graphite-blocking.c
1342 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1343 * graphite-clast-to-gimple.c
1344 (clast_to_gcc_expression): Same.
1345 (precision_for_value): Same.
1346 (precision_for_interval): Same.
1347 (gcc_type_for_interval): Same.
1348 (graphite_create_new_guard): Same.
1349 (compute_bounds_for_level): Same.
1350 (graphite_create_new_loop_guard): Same.
1351 * graphite-interchange.c
1352 (build_linearized_memory_access): Same.
1353 (pdr_stride_in_loop): Same.
1354 (memory_strides_in_loop_1): Same.
1355 (memory_strides_in_loop): Same.
1356 (extend_scattering): Same.
1357 (psct_scattering_dim_for_loop_depth): Same.
1358 (pbb_number_of_iterations): Same.
1360 (debug_iteration_domains): Same.
1362 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1363 (ppl_set_inhomogeneous_gmp): Same.
1364 (ppl_strip_loop): Same.
1365 (ppl_lexico_compare_linear_expressions): Same.
1366 (ppl_read_polyhedron_matrix): Same.
1367 (ppl_max_for_le_pointset): Same.
1369 (ppl_read_polyhedron_matrix): Same.
1370 (tree_int_to_gmp): Same.
1371 (gmp_cst_to_tree): Same.
1372 (ppl_set_inhomogeneous): Same.
1373 (ppl_set_inhomogeneous_tree): Same.
1374 (ppl_set_coef): Same.
1375 (ppl_set_coef_tree): Same.
1376 * graphite-sese-to-poly.c
1377 (build_pbb_scattering_polyhedrons): Same.
1378 (build_scop_scattering): Same.
1379 (scan_tree_for_params_right_scev): Same.
1380 (scan_tree_for_params): Same.
1381 (find_params_in_bb): Same.
1382 (find_scop_parameters): Same.
1383 (add_upper_bounds_from_estimated_nit): Same.
1384 (build_loop_iteration_domains): Same.
1385 (add_condition_to_domain): Same.
1386 (pdr_add_memory_accesses): Same.
1388 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1390 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1391 CLooG's value_* macros to their respective mpz_* counterparts.
1392 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1393 (graphite_create_new_loop_guard): Same.
1394 * graphite-interchange.c (build_linearized_memory_access): Same.
1395 (pdr_stride_in_loop): Same.
1396 (memory_strides_in_loop_1): Same.
1397 (1st_interchange_profitable_p): Same.
1398 * graphite-poly.c (extend_scattering): Same.
1399 (psct_scattering_dim_for_loop_depth): Same.
1400 (pbb_number_of_iterations): Same.
1401 (pbb_number_of_iterations_at_time): Same.
1402 * graphite-poly.h (new_1st_loop): Same.
1403 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1404 (oppose_constraint): Same.
1405 (insert_constraint_into_matrix): Same.
1406 (ppl_set_inhomogeneous_gmp): Same.
1407 (ppl_set_coef_gmp): Same.
1408 (ppl_strip_loop): Same.
1409 (ppl_lexico_compare_linear_expressions): Same.
1410 (ppl_max_for_le_pointset): Same.
1411 (ppl_min_for_le_pointset): Same.
1412 (ppl_build_realtion): Same.
1413 * graphite-ppl.h (gmp_cst_to_tree): Same.
1414 (ppl_set_inhomogeneous): Same.
1415 (ppl_set_inhomogeneous_tree): Same.
1416 (ppl_set_coef): Same.
1417 (ppl_set_coef_tree): Same.
1418 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1419 (build_scop_scattering): Same.
1420 (add_value_to_dim): Same.
1421 (scan_tree_for_params_right_scev): Same.
1422 (scan_tree_for_params_int): Same.
1423 (scan_tree_for_params): Same.
1424 (find_params_in_bb): Same.
1425 (find_scop_parameters): Same.
1426 (add_upper_bounds_from_estimated_nit): Same.
1427 (build_loop_iteration_domains): Same.
1428 (create_linear_expr_from_tree): Same.
1429 (add_condition_to_domain): Same.
1430 (pdr_add_memory_accesses): Same.
1432 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1433 Jason Merrill <jason@redhat.com>
1435 * c-common.c (c_common_reswords): Add nullptr.
1436 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1437 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1438 (gen_type_die_with_usage): Likewise.
1439 * dbxout.c (dbxout_type): Likewise.
1440 * sdbout.c (plain_type_1): Likewise.
1442 2010-05-06 Jason Merrill <jason@redhat.com>
1444 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1445 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1447 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1449 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1450 stripping WITH_SIZE_EXPR.
1451 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1454 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1456 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1457 list of obsolete configurations.
1458 Disabled check for obsolete configurations.
1459 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1460 Removed support for previous versions.
1461 * config/mips/iris.h: Removed.
1462 * config/mips/iris5.h: Removed.
1463 * config/mips/iris6.h: Merged old iris.h contents.
1464 (TARGET_IRIX): Removed.
1465 (DRIVER_SELF_SPECS): Removed mabi=32.
1466 (IDENT_ASM_OP): Removed undef.
1467 (STARTFILE_SPEC): Removed mabi=32.
1468 (ENDFILE_SPEC): Likewise.
1469 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1470 (MACHINE_TYPE): Update for IRIX 6.5.
1471 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1472 TARGET_IRIX by TARGET_IRIX6.
1473 (mips_file_start): Likewise.
1474 (mips_output_external): Remove IRIX 5/6 O32 support.
1475 (mips_output_function_prologue): Likewise.
1476 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1478 (TARGET_CPU_CPP_BUILTINS): Likewise.
1479 (TARGET_IRIX): Removed.
1480 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1481 (MULTILIB_DIRNAMES): Removed 32.
1482 (MULTILIB_OSDIRNAMES): Removed ../lib.
1483 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1484 (Specific, mips-sgi-irix5): Document removal.
1485 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1486 Remove references to older IRIX 6 releases and the O32 ABI.
1488 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1491 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1492 instead of DF_REF_REAL_REG.
1494 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1497 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1498 handling to still return true for x64 targets.
1500 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1502 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1504 2010-05-06 Jan Hubicka <jh@suse.cz>
1506 PR tree-optimization/43791
1507 * ipa-inline.c (update_caller_keys): Remove bogus
1508 disregard_inline_limits check.
1510 2010-05-06 Michael Matz <matz@suse.de>
1512 PR tree-optimization/43984
1513 * tree-ssa-pre.c (inserted_phi_names): Remove.
1514 (inserted_exprs): Change to bitmap.
1515 (create_expression_by_pieces): Set bits, don't append to vector.
1516 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1517 (eliminate): Don't look at inserted_phi_names, remove deleted
1518 insns from inserted_exprs.
1519 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1520 (init_pre, fini_pre): Allocate and free bitmaps.
1521 (execute_pre): Insert insns on edges before elimination.
1523 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1525 * tree.c (initializer_zerop): Handle STRING_CST.
1527 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1530 * doc/invoke.texi (Wimplicit): Document as C only.
1531 * opts.c (common_handle_option): Add argument kind.
1532 (handle_option): Rename as read_cmdline_option. Factor out code to...
1533 (handle_option): ... here. New.
1534 (handle_options): Rename as read_cmdline_options.
1535 (decode_options): Update call.
1536 (set_option): Use option index instead of option pointer. Classify
1537 diagnostics correctly.
1538 (enable_warning_as_error): Call handle_option.
1539 * opts.h (set_option): Update declaration.
1540 (handle_option): Declare.
1541 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1542 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1543 * c-opts.c (set_Wimplicit): Delete.
1544 (c_family_lang_mask): New static constant.
1545 (c_common_handle_option): Add argument kind. Use handle_option
1546 instead of set_Wimplicit.
1547 (c_common_post_options): warn_implicit and warn_implicit_int
1548 are disabled by default.
1549 * c-common.c (warn_implicit): Do not define here.
1550 * c-common.h (warn_implicit): Do not declare here.
1551 (c_common_handle_option): Update declaration.
1552 * lto-opts.c (lto_reissue_options): Update call to set_option.
1554 2010-05-06 Richard Guenther <rguenther@suse.de>
1556 PR tree-optimization/43571
1557 * domwalk.c (walk_dominator_tree): Walk the dominator
1558 sons in more optimal order.
1560 2010-05-06 Richard Guenther <rguenther@suse.de>
1562 PR tree-optimization/43934
1563 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1564 (stmt_cost): Likewise.
1565 (extract_true_false_args_from_phi): New helper.
1566 (determine_max_movement): For PHI nodes verify we can hoist them
1567 and compute their cost.
1568 (determine_invariantness_stmt): Handle PHI nodes.
1569 (move_computations_stmt): Likewise. Hoist PHI nodes in
1570 if-converted form using COND_EXPRs.
1571 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1572 (tree_ssa_lim): Likewise.
1573 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1574 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1576 2010-05-06 Richard Guenther <rguenther@suse.de>
1578 PR tree-optimization/43987
1579 * tree-ssa-structalias.c (could_have_pointers): For possibly
1580 address-taken variables force pointers to be recorded.
1581 (create_variable_info_for_1): Likewise.
1582 (push_fields_onto_fieldstack): Pass in wheter all fields
1584 (find_func_aliases): Query types instead of vars whether
1585 they contain pointers where appropriate.
1587 2010-05-06 Jan Hubicka <jh@suse.cz>
1589 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1590 (record_reference, mark_address, mark_load, mark_store): Record
1592 (record_references_in_initializer): Update call of record_references.
1593 (rebuild_cgraph_edges): Remove all references before rebuiding.
1594 * cgraph.c (cgraph_create_node): Clear ref list.
1595 (cgraph_remove_node): Remove references.
1596 (dump_cgraph_node): Dump references.
1597 (cgraph_clone_node): Clone references.
1598 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1599 (struct cgraph_node, varpool_node): Add ref_lst.
1600 * ipa-ref.c: New file.
1601 * ipa-ref.h: New file.
1602 * ipa-ref-inline.h: New file.
1603 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1604 (referenced_from_other_partition_p): New function.
1605 (lto_output_varpool_node): Take set arugment; call
1606 referenced_from_other_partition.
1607 (lto_output_ref): New.
1608 (add_references): New.
1610 (output_cgraph): Compute boundary based on references; output refs.
1611 (output_varpool): Accept cgraph_node_set argument.
1614 (input_cgraph): Call input_refs.
1615 * lto-section-in.c (lto_section_name): Add refs.
1616 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1617 (ipa-ref.o): New file.
1618 * varpool.c (varpool_node): Clear ipa ref list.
1619 (varpool_remove_node): Remove references.
1620 (dump_varpool_node): Dump references.
1621 (varpool_assemble_decl): Only compile finalized ones.
1622 (varpool_extra_name_alias): Initialize ref list.
1623 * lto-streamer.c (lto-get_section_name): Add .refs section.
1624 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1625 (referenced_from_other_partition_p): Declared.
1627 2010-05-06 Ira Rosen <irar@il.ibm.com>
1629 PR tree-optimization/43901
1630 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1631 type is not NULL if it's transformation phase, and return
1632 FALSE if it's analysis.
1633 (vectorizable_conversion, vectorizable_operation,
1634 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1636 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1638 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1640 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1642 * config/mips/mips-protos.h
1643 (mips_small_register_classes_for_mode_p): Delete prototype.
1645 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1647 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1648 * config/arm/arm.c (multiple_operation_profitable_p,
1649 compute_offset_order): New static functions.
1650 (load_multiple_sequence, store_multiple_sequence): Use them.
1651 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1652 memory offsets, not register numbers.
1653 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1655 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1657 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1658 (get_pending_sizes, put_pending_size, put_pending_sizes):
1659 Update the uses of pending_sizes.
1660 * c-decl.c (store_parm_decls): Likewise.
1661 * c-tree.h (struct c_arg_info): Likewise.
1662 * tree.h: Update the prototype for get_pending_sizes and
1665 2010-05-05 Jason Merrill <jason@redhat.com>
1668 * c-common.c (handle_aligned_attribute): Respect
1669 ATTR_FLAG_TYPE_IN_PLACE.
1672 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1673 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1674 (TARGET_INITIALIZER): Use it.
1675 * c-common.c (attribute_takes_identifier_p): Call it.
1676 * c-common.h: Update prototype.
1677 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1678 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1680 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1683 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1684 DW_ID_down_case for Fortran compilation units.
1686 2010-05-05 Jan Hubicka <jh@suse.cz>
1688 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1691 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1693 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1694 a variable-sized RESULT_DECL.
1696 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1698 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1700 2010-05-05 Jason Merrill <jason@redhat.com>
1703 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1705 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1707 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1708 Jakub Jelinek <jakub@redhat.com>
1711 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1712 (dead_debug_init, dead_debug_finish): New functions.
1713 (dead_debug_add, dead_debug_insert_before): Likewise.
1714 (df_note_bb_compute): Initialize a dead_debug object, add dead
1715 debug uses to it, insert debug bind insns before death insns,
1716 reset debug insns that refer to pending uses at the end.
1717 * rtl.h (make_debug_expr_from_rtl): New prototype.
1718 * varasm.c (make_debug_expr_from_rtl): New function.
1720 2010-05-05 Jan Hubicka <jh@suse.cz>
1722 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1723 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1724 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1725 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1726 lto_varpool_encoder_encode_initializer_p,
1727 lto_set_varpool_encoder_encode_initializer): New functions.
1728 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1729 call output_varpool.
1730 (input_varpool_node): Do not always set analyzed.
1731 (input_cgraph_1): Return vector of cgraph nodes.
1732 (input_varpool_1): Return vector of varpools.
1733 (input_cgraph): Free the vectors.
1734 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1735 output only initializers needed.
1736 (lto_output): Only call output_cgraph.
1737 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1738 * lto-section-out.c (lto_new_out_decl_state): Initialize
1739 state->varpool_node_encoder.
1740 * lto-streamer.h (lto_varpool_encoder_d): New.
1741 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1742 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1743 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1744 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1745 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1747 (output_varpool, input_varpool): Remove declarations.
1749 2010-05-05 Jan Hubicka <jh@suse.cz>
1751 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1752 with body can prevail.
1754 2010-05-05 Jan Hubicka <jh@suse.cz>
1756 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1759 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1761 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1763 * gengtype.h (erro_at_line): Constify pos argument.
1765 * gengtype.c: Include hashtab.h.
1766 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1767 (error_at_line): Constify pos argument.
1768 (do_typedef): Initialize p->opt field.
1769 (get_file_gtfilename): Fix comment typo.
1770 (struct walk_type_data): Constify line field.
1771 (get_output_file_for_structure): New function.
1772 (write_local_func_for_structure): Constify orig_s argument.
1773 Use get_output_file_for_structure.
1774 (write_func_for_structure): Use get_output_file_for_structure.
1775 (INDENT): New define.
1776 (dump_pair, dump_type, dump_type_list, dump_typekind)
1777 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1778 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1780 (seen_types): New variable.
1781 (main): New variable do_dump. Process "-d" command line option.
1782 Call dump_everything if dump requested.
1784 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1786 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1787 in a temporary instead of invoking the macro multiple times.
1788 (track_expr_p): Likewise.
1790 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1792 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1794 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1795 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1796 conditions for printing notes.
1797 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1798 true, update documentation.
1799 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1801 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1804 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1807 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1810 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1811 (*sse_prologue_save_insn1): Likewise.
1812 (SSE prologue save splitter): Likewise.
1814 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1816 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1817 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1818 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1819 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1820 all decls. Call it on DECL_FIELD_OFFSET of fields.
1821 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1822 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1824 2010-05-04 Martin Jambor <mjambor@suse.cz>
1826 * tree-sra.c (build_access_from_expr_1): The first parameter type
1827 changed to simple tree.
1828 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1829 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1831 (build_accesses_from_assign): Removed all parameters except for a
1832 simple gimple statement. Now returns a simple bool.
1833 (scan_function): All non-analysis parts moved to separate functions
1834 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1835 parameters and updated both callers.
1836 (sra_modify_expr): Removed parameter data.
1837 (sra_modify_function_body): New function.
1838 (perform_intra_sra): Call sra_modify_function_body to modify the
1840 (replace_removed_params_ssa_names): Parameter data changed into
1842 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1843 changed the parameter dont_convert to convert with the opposite
1845 (sra_ipa_modify_assign): Parameter data changed into adjustments
1846 vector, return value changed to bool.
1847 (ipa_sra_modify_function_body): New function.
1848 (sra_ipa_reset_debug_stmts): Updated a comment.
1849 (modify_function): Use ipa_sra_modify_function_body to modify function
1852 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1855 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1856 (canon_true_dependence): Likewise.
1857 (write_dependence_p): Likewise.
1859 2010-05-04 Jan Hubicka <jh@suse.cz>
1861 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1862 * cgraphbuild.c: Include ipa-utils.h
1863 (record_reference_ctx): New struct.
1864 (record_reference): Simplify to work on initializers; not statements.
1865 (mark_address, mark_load, mark_store): New.
1866 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1868 (record_references_in_initializer): Update use of record_reference.
1869 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1872 2010-05-04 Jan Hubicka <jh@suse.cz>
1874 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1875 node will be removed anyway.
1876 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1877 relink aliases of node into prevailing node.
1878 * varpool.c (varpool_remove_node): Remove aliases properly;
1879 when removing node, remove all its aliases too; remove DECL_INITIAL
1880 of removed node; ggc_free the varpool node.
1882 2010-05-04 Richard Guenther <rguenther@suse.de>
1884 PR tree-optimization/43879
1885 * tree-ssa-structalias.c (alias_get_name): Use
1886 DECL_ASSEMBLER_NAME if available.
1887 (create_function_info_for): Return the varinfo node.
1888 (ipa_pta_execute): Associate same-body aliases and extra names
1889 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1891 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1893 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1895 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1898 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1899 only if HONOR_REG_ALLOC_ORDER is not defined.
1901 2010-05-04 Richard Guenther <rguenther@suse.de>
1903 PR tree-optimization/43949
1904 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1907 2010-04-26 Jason Merrill <jason@redhat.com>
1909 * c.opt (-fstrict-enums): New.
1910 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1912 2010-05-03 David Ung <davidu@mips.com>
1913 James E. Wilson <wilson@codesourcery.com>
1915 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1916 emit the trap instruction before the divide for TUNE_74K.
1918 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1920 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1921 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1922 based on the above, for new target hook.
1924 * hooks.c (hook_bool_mode_true): New generic hook.
1925 * hooks.h (hook_bool_mode_true): Add prototype.
1927 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1929 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1930 target hook, set to hook_bool_mode_false.
1931 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1932 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1933 with targetm.small_register_classes_for_mode_p.
1934 (find_reusable_reload): Likewise.
1935 (combine_reloads): Likewise.
1936 * reload1.c (reload_as_needed): Likewise.
1937 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1938 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1939 dead_or_predicable): Likewise.
1940 * regmove.c (optimize_reg_copy_1): Likewise.
1941 * calls.c (prepare_call_address): Likewise.
1942 (precompute_register_parameters): Likewise.
1944 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1946 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1947 implementation of the hook that considers all register classes
1948 small except for SH64.
1949 (sh_override_options): Use the new hook.
1950 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1953 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1955 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1956 implementation of the hook that considers all register classes
1958 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1961 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1963 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1964 implementation of the hook that considers all register classes
1966 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1969 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1971 * config/m32c/m32c.h: Likewise.
1972 * config/pdp11/pdp11.h: Likewise.
1973 * config/avr/avr.h: Likewise.
1974 * config/xtensa/xtensa.h: Likewise.
1975 * config/m68hc11/m68hc11.h: Likewise.
1976 * config/mn10300/mn10300.h: Likewise.
1977 * config/mcore/mcore.h: Likewise.
1978 * config/h8300/h8300.h: Likewise.
1979 * config/bfin/bfin.h: Likewise.
1981 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1982 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1984 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1986 * double-int.h (tree_to_double_int): Remove macro.
1987 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1988 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1989 (tree_to_double_int): New function.
1990 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1992 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1994 2010-05-03 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/43971
1997 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1998 constraints in the !flag_delete_null_pointer_checks case.
2000 2010-05-03 Jakub Jelinek <jakub@redhat.com>
2003 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2004 result mode matches original rtl mode.
2006 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
2009 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2011 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2013 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2014 when processing flag options.
2016 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2018 * gcov-iov.c (main): Change format string placeholder
2019 from %#08x to 0x%08x.
2020 * genchecksum.c (dosum): Change format string placeholder
2021 from %#02x to 0x%02x.
2023 2010-05-02 Richard Guenther <rguenther@suse.de>
2025 PR tree-optimization/43879
2026 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2028 2010-05-02 Bruno Haible <bruno@clisp.org>
2030 * doc/extend.texi (Function Attributes): Fix a typo.
2032 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2035 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2036 placeholder from 0x%x to %#x.
2037 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2038 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2039 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2040 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2041 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2042 * config/i386/i386.c (ix86_target_string): Ditto.
2043 * config/i386/i386.c (output_pic_addr_const): Ditto.
2044 (print_operand): Ditto.
2046 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2048 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2049 placeholder from 0x%x to %#x.
2050 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2051 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2052 (ASM_OUTPUT_DEBUG_DATA): Ditto.
2053 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2054 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2055 * optc-gen.awk: Ditto.
2056 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2057 (HOST_WIDE_INT_PRINT_HEX): Ditto.
2058 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2059 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2061 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2063 * target.h (struct calls): Add function_value_regno_p field.
2064 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2065 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2066 * targhooks.c (default_function_value_regno_p): New function.
2067 * targhooks.h (default_function_value_regno_p): Declare function.
2068 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2069 * builtins.c. (apply_result_size): (Ditto.).
2070 * combine.c. (likely_spilled_retval_p): (Ditto.).
2071 * mode-switching.c. Include 'target.h'.
2072 (create_pre_exit): Use function_value_regno_p hook.
2073 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2074 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2075 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2077 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2078 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2079 (ix86_function_value_regno_p): Declare as static, change argument
2080 type to const unsigned int.
2081 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2083 2010-05-01 Richard Guenther <rguenther@suse.de>
2085 PR tree-optimization/43949
2086 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2088 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2090 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2092 * rtl.h (CONST_DOUBLE_P): Define.
2093 (rtx_to_double_int): Declare.
2094 * emit-rtl.c (rtx_to_double_int): New function.
2095 * dwarf2out.c (insert_double): New function.
2096 (loc_descriptor, add_const_value_attribute): Clean up, use
2097 rtx_to_double_int and insert_double functions.
2099 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
2101 * doc/extend.texi (Inline): Add missing return keyword to examples.
2102 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2105 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
2107 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2108 the variable part of the offset as well. Use highest_pow2_factor for
2109 all alignment checks.
2111 2010-04-30 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/43879
2114 * tree-ssa-structalias.c (type_could_have_pointers): Functions
2117 2010-04-30 Jan Hubicka <jh@suse.cz>
2119 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2121 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2123 2010-04-30 Jan Hubicka <jh@suse.cz>
2125 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2127 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2128 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2129 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2130 cgraph_node_set_needs_ltrans_p): Remove.
2132 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2134 * sdbout.c: Include vec.h, do not include varray.h.
2135 (deferred_global_decls, sdbout_global_decl,
2136 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2137 * toplev.c: Do not include varray.h.
2138 (dump_memory_report): Do not dump VARRAY statistics.
2139 * gengtype.c (open_base_file): Ignore varray.h.
2140 * Makefile.in: Update for abovementioned changes.
2141 Remove all traces of varray.c and varray.h.
2142 * varray.c: Remove file.
2143 * varray.h: Remove file.
2145 2010-04-30 Jan Hubicka <jh@suse.cz>
2147 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2150 2010-04-30 Jan Hubicka <jh@suse.cz>
2152 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2155 2010-04-30 Richard Guenther <rguenther@suse.de>
2157 * tree-ssa-structalias.c (get_constraint_for_1): Generate
2158 constraints for CONSTRUCTOR.
2160 2010-04-30 Richard Guenther <rguenther@suse.de>
2163 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2164 first after all lowering passes.
2166 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2168 * toplev.c: Include varray.h for statistics dumping.
2169 * tree.h: Do not declare varray_head_tag.
2170 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2171 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2172 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2173 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2174 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2175 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2176 c-common.c, c-common.h, reg-stack.c, basic-block.h,
2177 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2179 * Makefile.in: Update for abovementioned changes.
2181 2010-04-30 Jakub Jelinek <jakub@redhat.com>
2184 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2186 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2188 * config/picochip/picochip.c (picochip_legitimize_address): Define.
2189 Use this function to do machine-specific conversion.
2190 (picochip_legitimize_reload_address): Likewise.
2191 (picochip_legitimate_address_p): Check valid base register only if
2193 (picochip_check_conditional_copy): Check for modw only if opnd is
2195 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2196 to call the function in c.
2197 * config/picochip/picochip-protos.h
2198 (picochip_legitimize_reload_address): Define.
2199 * config/picochip/picochip.md (supported_compare1): Define.
2201 2010-04-30 Jan Hubicka <jh@suse.cz>
2203 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2204 (cgraph_global_info): Remove inlined.
2205 (LTO_cgraph_tag_names): Remove.
2206 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2207 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2208 simplify cgraph tags and document.
2209 (lto_output_node): Use only LTO_cgraph_unavail_node and
2210 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2211 for_functions_valid, global info, process and output flags.
2212 (input_overwrite_node): Initialize estimated stack size and
2213 estimated growth. Do not read flags we no longer store.
2214 (input_node): Likewise do not read info no longer stored.
2215 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2218 2010-04-30 Richard Guenther <rguenther@suse.de>
2220 PR tree-optimization/43879
2221 * tree-ssa-structalias.c (get_constraint_for_1): Properly
2222 handle non-zero initializers.
2224 2010-04-30 Richard Guenther <rguenther@suse.de>
2226 * builtins.c (fold_builtin_1): Delete free (0).
2228 2010-04-29 Jan Hubicka <jh@suse.cz>
2230 * gengtype.c (open_base_files): Add lto-streamer.h
2231 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2232 (pass_ipa_cp): GGC collect.
2233 * toplev. (compile_file): Do not output symbols.
2234 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2235 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2236 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2237 * lto-section-in.c: Include ggc.h
2238 (lto_new_in_decl_state): Alloc in GGC.
2239 (lto_delete_in_decl_state): Likewise.
2240 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2243 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2246 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2247 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2248 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2249 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2250 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2251 account only if HONOR_REG_ALLOC_ORDER is not defined.
2252 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2253 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2255 2010-04-29 Jon Grant <04@jguk.org>
2257 * collect2.c (vflag): Change type from int to bool.
2259 (helpflag): New global bool.
2260 (main): Set vflag and debug with boolean, not integer truth values.
2261 Accept new "--help" option and output usage text if found.
2262 * collect2.h (vflag): Update prototype.
2265 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2268 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2270 2010-04-29 Richard Guenther <rguenther@suse.de>
2273 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2274 with ATTRIBUTE_UNUSED.
2276 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2279 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2280 INSN_P with NONDEBUG_INSN_P.
2281 (distance_non_agu_define): Likewise.
2282 (distance_agu_use): Likewise.
2284 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2286 From Dominique d'Humieres <dominiq@lps.ens.fr>
2288 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2291 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2293 * plugin.h (invoke_plugin_callbacks): New inline function.
2294 * plugin.c (flag_plugin_added): New global flag.
2295 (add_new_plugin): Initialize above flag.
2296 (invoke_plugin_callbacks): Rename to ...
2297 (invoke_plugin_callbacks_full): ... this.
2299 2010-04-28 Jan Hubicka <jh@suse.cz>
2301 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2302 (lto_varpool_replace_node): New.
2303 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2304 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2305 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2306 * cgraph.h (varpool_node_ptr): New type.
2307 (varpool_node_ptr): New vector.
2308 (varpool_node_set_def): New structure.
2309 (varpool_node_set): New type.
2310 (varpool_node_set): New vector.
2311 (varpool_node_set_element_def): New structure.
2312 (varpool_node_set_element, const_varpool_node_set_element): New types.
2313 (varpool_node_set_iterator): New type.
2314 (varpool_node): Add prev pointers, add used_from_other_partition,
2316 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2317 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2318 varpool_get_node, varpool_remove_node): Declare.
2319 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2320 varpool_node_set_size): New inlines.
2321 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2322 * tree-pass.h (varpool_node_set_def): Forward declare.
2323 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2324 (ipa_write_optimization_summaries): Update prototype.
2325 * ipa-cp.c (ipcp_write_summary): Update.
2326 * ipa-reference.c (ipa_reference_write_summary): Update.
2327 * lto-cgraph.c (lto_output_varpool_node): New static function.
2328 (output_varpool): New function.
2329 (input_varpool_node): New static function.
2330 (input_varpool_1): New function.
2331 (input_cgraph): Input varpool.
2332 * ipa-pure-const.c (pure_const_write_summary): Update.
2333 * lto-streamer-out.c (lto_output): Update, output varpool too.
2334 (write_global_stream): Kill WPA hack.
2335 (produce_asm_for_decls): Update.
2336 (output_alias_pair_p): Handle variables.
2337 (output_unreferenced_globals): Output only needed partition of varpool.
2338 * ipa-inline.c (inline_write_summary): Update.
2339 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2341 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2342 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2343 varpool_node_set_new, varpool_node_set_add,
2344 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2345 debug_varpool_node_set): New functions.
2346 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2347 (execute_one_pass): Process new decls too.
2348 (ipa_write_summaries_2): Pass around vsets.
2349 (ipa_write_summaries_1): Likewise.
2350 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2352 (ipa_write_optimization_summaries_1): Pass around vsets.
2353 (ipa_write_optimization_summaries): Likewise.
2354 * varpool.c (varpool_get_node): New.
2355 (varpool_node): Update doubly linked lists.
2356 (varpool_remove_node): New.
2357 (dump_varpool_node): More dumping.
2358 (varpool_enqueue_needed_node): Update doubly linked lists.
2359 (decide_is_variable_needed): Kill ltrans hack.
2360 (varpool_finalize_decl): Kill lto hack.
2361 (varpool_assemble_decl): Skip decls in other partitions.
2362 (varpool_assemble_pending_decls): Update doubly linkes lists.
2363 (varpool_empty_needed_queue): Likewise.
2364 (varpool_extra_name_alias): Likewise.
2365 * lto-streamer.c (lto_get_section_name): Add vars section.
2366 * lto-streamer.h (lto_section_type): Update.
2367 (output_varpool, input_varpool): Declare.
2369 2010-04-28 Mike Stump <mikestump@comcast.net>
2371 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2373 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2375 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2376 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2377 (lto_input_ts_type_tree_pointers): Likewise.
2378 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2379 (lto_output_ts_type_tree_pointers): Likewise.
2381 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2383 Uniquization of constants at the Tree level
2384 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2385 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2387 (tree_output_constant_def): Declare.
2388 * gimplify.c (gimplify_init_constructor): When using block copy, first
2389 uniquize the constant constructor on the RHS.
2390 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2391 DECL_IN_CONSTANT_POOL flag.
2392 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2393 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2395 (assemble_variable): Deal with symbols belonging to the tree constant
2397 (get_constant_section): Add ALIGN parameter and simplify.
2398 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2399 (assemble_constant_contents): Use the expression of the VAR_DECL.
2400 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2401 (tree_output_constant_def): New global function.
2402 (mark_constant): Use the expression of the VAR_DECL.
2403 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2405 (output_object_block): Likewise and assemble the expression.
2407 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2409 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2410 hash_tree, eq_tree): New tree hash table.
2411 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2412 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2413 lto_orig_address_remove): Reimplement.
2415 2010-04-28 Xinliang David Li <davidxl@google.com>
2418 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2419 (compute_uninit_opnds_pos): New function.
2420 (is_non_loop_exit_postdominating): New function.
2421 (compute_control_dep_chain): New function.
2422 (find_pdom): New function.
2423 (convert_control_dep_chain_into_preds): New function.
2424 (find_predicates): New function.
2425 (find_control_equiv_block): New function.
2426 (collect_phi_def_edges): New function.
2427 (find_def_preds): New function.
2428 (find_dom): New function.
2429 (dump_predicates): New function.
2430 (get_cmp_code): New function.
2431 (is_value_included_in): New function.
2432 (find_matching_predicate_in_rest_chains): New function.
2433 (use_pred_not_overlap_with_undef_path_pred): New function.
2434 (is_use_properly_guarded): New function.
2435 (normalize_cond_1): New function.
2436 (is_and_or_or): New function.
2437 (normalize_cond): New function.
2438 (is_gcond_subset_of): New function.
2439 (is_subset_of_any): New function.
2440 (is_or_set_subset_of): New function.
2441 (is_and_set_subset_of): New function.
2442 (is_norm_cond_subset_of): New function.
2443 (is_pred_expr_subset_of): New function.
2444 (is_pred_chain_subset_of): New function.
2445 (is_included_in): New function.
2446 (is_superset_of): New function.
2447 (find_uninit_use): New function.
2448 (warn_uninitialized_phi): New function.
2449 (compute_possibly_undefined_names): New function.
2450 (ssa_undefined_value_p): New function.
2451 (execute_late_warn_uninitialized): New function.
2452 * tree-ssa.c (ssa_undefined_value_p): Removed.
2453 (warn_uninit): Changed to extern.
2454 (warn_uninitialized_phi): Removed.
2455 (warn_uninitialized_vars): Changed to extern.
2456 (execute_late_warn_uninitialized): Removed
2457 * tree-flow.h: Add new prototypes.
2458 * timevar.def: Add new time variable.
2459 * Makefile.in: Add new build file.
2461 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2463 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2466 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2469 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2471 2010-04-28 Martin Jambor <mjambor@suse.cz>
2473 * cgraph.h (struct cgraph_node): New field indirect_calls.
2474 (struct cgraph_indirect_call_info): New type.
2475 (struct cgraph_edge): Removed field indirect_call. New fields
2476 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2477 (cgraph_create_indirect_edge): Declare.
2478 (cgraph_make_edge_direct): Likewise.
2479 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2480 * ipa-prop.h (struct ipa_param_call_note): Removed.
2481 (struct ipa_node_params): Removed field param_calls.
2482 (ipa_create_all_structures_for_iinln): Declare.
2483 * cgraph.c: Described indirect edges and uids in initial comment.
2484 (cgraph_add_edge_to_call_site_hash): New function.
2485 (cgraph_edge): Search also among the indirect edges, use
2486 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2487 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2488 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2490 (initialize_inline_failed): Assign a reason to indirect edges.
2491 (cgraph_create_edge_1): New function.
2492 (cgraph_create_edge): Moved some functionality to
2493 cgraph_create_edge_1.
2494 (cgraph_create_indirect_edge): New function.
2495 (cgraph_edge_remove_callee): Add an assert checking for
2497 (cgraph_edge_remove_caller): Special-case indirect edges.
2498 (cgraph_remove_edge): Likewise.
2499 (cgraph_set_edge_callee): New function.
2500 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2501 (cgraph_make_edge_direct): New function.
2502 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2503 the declaration of the call statement matches.
2504 (cgraph_node_remove_callees): Special-case indirect edges.
2505 (cgraph_clone_edge): Likewise.
2506 (cgraph_clone_node): Clone also the indirect edges.
2507 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2508 indirect_call, dump count of indirect_calls edges.
2509 * ipa-prop.c (iinlining_processed_edges): New variable.
2510 (ipa_note_param_call): Create indirect edges instead of
2511 creating notes. New parameter node.
2512 (ipa_analyze_call_uses): New parameter node, pass it on to
2513 ipa_note_param_call.
2514 (ipa_analyze_stmt_uses): Likewise.
2515 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2516 (print_edge_addition_message): Work on edges rather than on notes.
2517 (update_call_notes_after_inlining): Likewise, renamed to
2518 update_indirect_edges_after_inlining.
2519 (ipa_create_all_structures_for_iinln): New function.
2520 (ipa_free_node_params_substructures): Do not free notes.
2521 (ipa_edge_duplication_hook): Propagate bits within
2522 iinlining_processed_edges bitmap.
2523 (ipa_node_duplication_hook): Do not duplicate notes.
2524 (free_all_ipa_structures_after_ipa_cp): Renamed to
2525 ipa_free_all_structures_after_ipa_cp.
2526 (free_all_ipa_structures_after_iinln): Renamed to
2527 ipa_free_all_structures_after_iinln.
2528 (ipa_write_param_call_note): Removed.
2529 (ipa_read_param_call_note): Removed.
2530 (ipa_write_indirect_edge_info): New function.
2531 (ipa_read_indirect_edge_info): Likewise.
2532 (ipa_write_node_info): Do not stream notes, do stream information
2534 (ipa_read_node_info): Likewise.
2535 (lto_ipa_fixup_call_notes): Removed.
2536 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2537 * ipa-inline.c (pass_ipa_inline): Likewise.
2538 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2539 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2540 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2542 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2544 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2545 (output_cgraph): Stream also indirect edges.
2546 (lto_output_edge): Added capability to stream indirect edges.
2547 (input_edge): Likewise.
2548 (input_cgraph_1): Likewise.
2549 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2552 2010-04-28 Richard Guenther <rguenther@suse.de>
2554 PR tree-optimization/43879
2555 PR tree-optimization/43909
2556 * tree-ssa-structalias.c (struct variable_info): Add
2557 only_restrict_pointers flag.
2558 (new_var_info): Initialize it. Increment stats.total_vars here.
2559 (create_function_info_for): Do not increment stats.total_vars here.
2560 (get_function_part_constraint): Fix build with C++.
2561 (insert_into_field_list): Remove.
2562 (push_fields_onto_fieldstack): Properly merge fields.
2563 (create_variable_info_for): Split and simplify.
2564 (create_variable_info_for_1): New piece.
2565 (intra_create_variable_infos): Properly make restrict constraints
2568 2010-04-28 Richard Guenther <rguenther@suse.de>
2571 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2573 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2574 Jan Hubicka <hubicka@ucw.cz>
2576 * doc/invoke.texi (-Wsuggest-attribute=const,
2577 -Wsuggest-attribute=pure): Document.
2578 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2579 (function_always_visible_to_compiler_p,
2580 suggest_attribute, warn_function_pure, warn_function_const):
2582 (check_call): Improve debug info.
2583 (analyze_function): Do not check availability.
2584 (add_new_function): Check availability.
2585 (propagate): Output warnings.
2586 (skip_function_for_local_pure_const): New function.
2587 (local_pure_const): Use it; output warnings.
2588 * common.opt (Wsuggest-attribute=const,
2589 Wsuggest-attribute=pure): New.
2591 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2593 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2594 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2595 or DW_CFA_def_cfa_offset{,_sf}.
2597 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2599 * tree.h: Fix truncated long macros.
2601 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2603 * collect2.c (TARGET_64BIT): Redefine to target's default.
2604 * tlink.c: Likewise.
2605 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2606 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2607 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2608 for underscoring __USER_LABEL_PREFIX__.
2609 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2610 (SUB_LINK_ENTRY32): New.
2611 (SUB_LINK_ENTRY64): New.
2612 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2613 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2614 (SUB_LINK_ENTRY64): New.
2615 (SUB_LINK_ENTRY): New.
2616 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2617 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2618 x64 target is choosen.
2619 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2620 * configure: Regenerated.
2621 * configure.ac (leading-mingw64-underscores): Option added.
2623 2010-04-27 Jan Hubicka <jh@suse.cz>
2625 * doc/invoke.texi (-fipa-profile): Document.
2626 * opts.c (decode_options): Enable ipa-profile at -O1.
2627 * timevar.def (TV_IPA_PROFILE): Define.
2628 * common.opt (fipa-profile): Add.
2629 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2631 (cgraph_propagate_frequency): Handle only local ones.
2632 * tree-pass.h (pass_ipa_profile): Declare.
2633 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2634 (pass_ipa_profile): Use TV_IPA_PROFILE.
2635 * ipa.c (ipa_profile): New function.
2636 (gate_ipa_profile): Likewise.
2637 (pass_ipa_profile): New global variable.
2638 * passes.c (pass_ipa_profile): New.
2640 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2642 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2644 2010-04-27 Martin Jambor <mjambor@suse.cz>
2647 * ipa.c (dissolve_same_comdat_group_list): New function.
2648 (function_and_variable_visibility): Call
2649 dissolve_same_comdat_group_list when comdat group contains external or
2651 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2652 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2654 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2656 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2657 (const_hash_1) <VECTOR_CST>: New case.
2658 (compare_constant) <VECTOR_CST>: Likewise.
2659 <ADDR_EXPR>: Deal with LABEL_REFs.
2660 (copy_constant) <VECTOR_CST>: New case.
2662 2010-04-27 Jan Hubicka <jh@suse.cz>
2664 * cgraph.c (cgraph_propagate_frequency): New function.
2665 * cgraph.h (cgraph_propagate_frequency): Declare.
2666 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2667 cgraph_propagate_frequency.
2669 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2671 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2673 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2676 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2677 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2678 here to determine which regs to push and how much stack to reserve.
2680 2010-04-27 Jie Zhang <jie@codesourcery.com>
2682 * doc/gimple.texi (gimple_statement_with_ops): Remove
2683 addresses_taken field.
2684 (gimple_statement_with_memory_ops): Likewise.
2686 2010-04-27 Jan Hubicka <jh@suse.cz>
2688 * tree-inline.c (eni_inlining_weights): Remove.
2689 (estimate_num_insns): Special case more builtins.
2691 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2694 * c-typeck.c (build_binary_op): Move forward check for comparison
2695 pointer with null pointer constant and adjust the diagnostic message.
2697 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2700 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2701 binutils supports extended .section directive needed by LTO, or
2702 warn if older binutils found.
2703 (LTO_BINARY_READER): New AC_SUBST'd variable.
2704 (LTO_USE_LIBELF): Likewise.
2705 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2707 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2708 (LTO_USE_LIBELF): Likewise.
2709 * configure: Regenerate.
2711 * collect2.c (is_elf): Rename from this ...
2712 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2713 object files in addition to ELF-formatted ones.
2714 (scan_prog_file): Caller updated. Also allow for LTO info marker
2715 symbol to be prefixed or not by an extra underscore.
2717 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2718 * config/i386/winnt.c: Also #include lto-streamer.h
2719 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2721 (i386_pe_asm_output_aligned_decl_common): Add comment.
2722 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2724 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2727 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2728 Add missing earlyclobber for second alternative.
2730 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2732 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2733 bits for artificial defs at the top of the block.
2734 * fwprop.c (single_def_use_enter_block): Don't call it.
2736 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2739 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2740 instead of "$gcc_cv_objdump -T".
2741 Use "-undefined dynamic_lookup" on darwin.
2742 * gcc/configure: Regenerate.
2744 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2747 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2749 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2751 * c-parser.c (struct c_token): Move location field up.
2752 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2753 (struct c_declspecs): Convert typespec_word, storage_class, and
2754 default_int_p into bitfields.
2755 (struct c_declarator): Move loc field up.
2757 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2759 * cfgloop.h (struct loop): Move can_be_parallel field up.
2760 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2761 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2763 (struct iv_cand): Convert pos field into a bitfield.
2764 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2766 (struct _stmt_vec_info): Shuffle fields for better packing.
2768 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2770 * varasm.c (IN_NAMED_SECTION): Remove guard.
2771 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2772 (IN_NAMED_SECTION_P): ...this.
2773 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2774 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2776 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2778 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2779 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2780 of shadowing it. Fix comments.
2782 2010-04-26 Jan Hubicka <jh@suse.cz>
2784 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2785 (cgraph_clone_node): Copy function frequency.
2786 * cgraph.h (node_frequency): New enum
2787 (struct cgraph_node): Add.
2788 * final.c (rest_of_clean_state): Update.
2789 * lto-cgraph.c (lto_output_node): Output node frequency.
2790 (input_overwrite_node): Input node frequency.
2791 * tre-ssa-loop-ivopts (computation_cost): Update.
2792 * lto-streamer-out.c (output_function): Do not output function
2794 * predict.c (maybe_hot_frequency_p): Update and handle functions
2796 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2798 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2799 (compute_function_frequency): Set noreturn functions to be executed
2801 (choose_function_section): Update.
2802 * lto-streamer-in.c (input_function): Do not input function frequency.
2803 * function.c (allocate_struct_function): Do not initialize function
2805 * function.h (function_frequency): Remove.
2806 (struct function): Remove function frequency.
2807 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2808 (try_update): Update.
2809 * tree-inline.c (initialize_cfun): Do not update function frequency.
2810 * passes.c (pass_init_dump_file): Update.
2811 * i386.c (ix86_compute_frame_layout): Update.
2812 (ix86_pad_returns): Update.
2814 2010-04-26 Jie Zhang <jie@codesourcery.com>
2816 PR tree-optimization/43833
2817 * tree-vrp.c (range_int_cst_p): New.
2818 (range_int_cst_singleton_p): New.
2819 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2820 when both operands are constants. Use range_int_cst_p in
2823 2010-04-26 Jan Hubicka <jh@suse.cz>
2825 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2827 2010-04-26 Richard Guenther <rguenther@suse.de>
2830 * gimple.c (gimple_decl_printable_name): Deal gracefully
2831 with a NULL DECL_NAME.
2833 2010-04-26 Richard Guenther <rguenther@suse.de>
2836 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2837 if emitting debug information and it is either a function
2838 or a namespace decl.
2840 2010-04-26 Ira Rosen <irar@il.ibm.com>
2842 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2843 determine if the statement is vectorizable, and a macro to access it.
2844 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2845 Skip statements that can't be vectorized. If the analysis fails,
2846 mark the statement as unvectorizable if vectorizing basic block.
2847 (vect_compute_data_refs_alignment): Likewise.
2848 (vect_verify_datarefs_alignment): Skip statements marked as
2849 unvectorizable. Add print.
2850 (vect_analyze_group_access): Skip statements that can't be
2851 vectorized. If the analysis fails, mark the statement as
2852 unvectorizable if vectorizing basic block.
2853 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2854 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2855 generated stmts for SLP.
2856 (new_stmt_vec_info): Initialize the new field.
2857 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2858 statements marked as unvectorizable.
2860 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2862 * c-common.c (flag_isoc1x): New.
2863 (flag_isoc99): Update comment.
2864 * c-common.h (flag_isoc1x): New.
2865 (flag_isoc99): Update comment.
2866 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2867 __<type>_DECIMAL_DIG__.
2868 * c-opts.c (set_std_c1x): New.
2869 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2870 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2871 * c.opt (-std=c1x, -std=gnu1x): New options.
2872 * doc/cpp.texi: Mention -std=c1x.
2873 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2874 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2875 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2876 * doc/standards.texi: Mention C1X.
2877 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2878 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2879 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2882 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2884 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2885 placeholder from 0x%x to %#x.
2886 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2887 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2888 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2889 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2890 * config/i386/i386.c (ix86_target_string): Ditto.
2891 (output_pic_addr_const): Ditto.
2892 (print_operand): Ditto.
2894 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2896 * combine.c (find_split_point): Add third argument. Use it
2897 to find nested multiply-accumulate instructions. Adjust calls.
2898 (try_combine): Adjust call to find_split_point.
2900 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2902 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2904 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2906 PR tree-optimization/41442
2907 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2908 (fold_binary_loc): Call it.
2910 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2912 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2913 * opts.c (common_handle_option): Allow disabling it.
2914 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2916 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2918 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2919 between modes if both types are integral.
2921 2010-04-23 Richard Guenther <rguenther@suse.de>
2923 PR tree-optimization/43572
2924 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2926 2010-04-23 Richard Guenther <rguenther@suse.de>
2929 * tree-inline.c (tree_can_inline_p): Also check compatibility
2932 2010-04-23 Martin Jambor <mjambor@suse.cz>
2934 PR tree-optimization/43846
2935 * tree-sra.c (struct access): New flag grp_assignment_read.
2936 (build_accesses_from_assign): Set grp_assignment_read.
2937 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2938 (enum mark_read_status): New type.
2939 (analyze_access_subtree): Propagate grp_assignment_read, create
2940 accesses also if both direct_read and root->grp_assignment_read.
2942 2010-04-23 Martin Jambor <mjambor@suse.cz>
2945 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2946 function does not have type attributes.
2948 2010-04-23 Richard Guenther <rguenther@suse.de>
2951 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2954 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2956 * sese.h (create_if_region_on_edge): Remove.
2958 * sese.c (create_if_region_on_edge): Make static.
2960 * tree-inline.c: Do not include ggc.h.
2962 * expr.c: Do not include ggc.h.
2964 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2967 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2970 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2971 in the middle of insns for casesi_worker_2.
2973 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2975 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2977 2010-04-22 Ira Rosen <irar@il.ibm.com>
2979 PR tree-optimization/43842
2980 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2981 loop unrolling in update of exit phis. Fix comment.
2982 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2983 least two reduction statements in the loop before starting SLP
2986 2010-04-22 Nick Clifton <nickc@redhat.com>
2988 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2990 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2992 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2995 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2997 * tree-parloops.c (loop_parallel_p): New argument
2998 parloop_obstack. Pass it down.
2999 (parallelize_loops): New variable parloop_obstack. Initialize it,
3000 pass it down, free it.
3002 * tree-loop-linear.c (linear_transform_loops): Pass down
3005 * tree-data-ref.h (lambda_compute_access_matrices): New argument
3006 of type struct obstack *.
3008 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3009 scratch_obstack. Initialize it, pass down, free it.
3011 * lambda.h (lambda_loop_new): Remove.
3012 (lambda_matrix_new, lambda_matrix_inverse)
3013 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3014 argument of type struct obstack *.
3016 * lambda-trans.c (lambda_trans_matrix_new): New argument
3017 lambda_obstack. Pass it down, use obstack allocation for ret.
3018 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
3021 * lambda-mat.c (lambda_matrix_get_column)
3022 (lambda_matrix_project_to_null): Remove.
3023 (lambda_matrix_new): New argument lambda_obstack. Use obstack
3025 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3028 * lambda-code.c (lambda_loop_new): New function.
3029 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3030 (lambda_compute_auxillary_space, lambda_compute_target_space)
3031 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3032 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3033 (build_access_matrix): New argument lambda_obstack. Use obstack
3035 (lambda_compute_step_signs, lambda_compute_access_matrices): New
3036 argument lambda_obstack. Pass it down.
3038 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3040 * optabs.h (expand_widening_mult): Declare.
3042 2010-04-22 Richard Guenther <rguenther@suse.de>
3044 PR tree-optimization/43845
3045 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3046 lookup the CALL_EXPR function and arguments.
3048 2010-04-22 Nick Clifton <nickc@redhat.com>
3050 * config/stormy16/stormy16.c
3051 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3052 * config/stormy16/stormy16.h: Tidy up formatting.
3053 (DONT_USE_BUILTIN_SETJMP): Remove definition.
3054 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3055 (ineqbranchsi): Delete pattern.
3056 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3057 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3058 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3059 stormy16-lib2-ucmpsi2.c.
3061 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3063 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3064 df_simulate_find_noclobber_defs as appropriate. Keep track of an
3065 extra set merge_set_noclobber, and use it to relax the final test
3067 * df.h (df_simulate_find_noclobber_defs): Declare.
3068 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3070 (df_simulate_find_noclobber_defs): New function.
3072 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
3074 * config/i386/i386.md: Use {} around multi-line preparation statements.
3076 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3078 * c-tree.h (push_init_level, pop_init_level, set_init_index)
3079 (process_init_element): New argument of type struct obstack *.
3081 * c-typeck.c (push_init_level, pop_init_level, set_designator)
3082 (set_init_index, set_init_label, set_nonincremental_init)
3083 (set_nonincremental_init_from_string, find_init_member)
3084 (output_init_element, output_pending_init_elements)
3085 (process_init_element): New argument braced_init_obstack. Pass it
3087 (push_range_stack, add_pending_init): New argument
3088 braced_init_obstack. Use obstack allocation.
3090 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3091 braced_init_obstack. Pass it down.
3092 (c_parser_braced_init): New variables ret, braced_init_obstack.
3093 Initialize obstack, pass it down and finally free it.
3095 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3098 * tree-pass.h (pass_optimize_widening_mul): Declare.
3099 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3100 gate_optimize_widening_mul): New static functions.
3101 (pass_optimize_widening_mul): New.
3102 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3103 <case MULT_EXPR>: Remove support for widening multiplies.
3104 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3105 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3106 simplify_gen_unary rather than directly building extensions.
3107 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3109 * expmed.c (expand_widening_mult): New function.
3110 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3112 2010-04-21 Jan Hubicka <jh@suse.cz>
3114 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3115 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3116 * lto-wpa-fixup.c: Remove.
3117 * Makefile.in (lto-wpa-fixup.o): Remove.
3118 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3119 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3120 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3122 2010-04-21 Jan Hubicka <jh@suse.cz>
3124 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3125 add write_optimization_summary, read_optimization_summary.
3126 (ipa_write_summaries_of_cgraph_node_set): Remove.
3127 (ipa_write_optimization_summaries): Declare.
3128 (ipa_read_optimization_summaries): Declare.
3129 * ipa-cp.c (pass_ipa_cp): Update.
3130 * ipa-reference.c (pass_ipa_reference): Update.
3131 * ipa-pure-const.c (pass_ipa_pure_const): Update.
3132 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3134 * ipa-inline.c (pass_ipa_inline): Update.
3135 * ipa.c (pass_ipa_whole_program): Update.
3136 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3137 * passes.c (ipa_write_summaries_1): Do not test wpa.
3138 (ipa_write_optimization_summaries_1): New.
3139 (ipa_write_optimization_summaries): New.
3140 (ipa_read_summaries): Do not test ltrans.
3141 (ipa_read_optimization_summaries_1): New.
3142 (ipa_read_optimization_summaries): New.
3144 2010-04-21 Jan Hubicka <jh@suse.cz>
3146 * lto-cgraph.c (lto_output_node): Do not output comdat groups
3148 (output_cgraph): Do not arrange comdat groups for boundary nodes.
3150 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3153 * dwarf2out.c (add_name_and_src_coords_attributes): Add
3154 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3156 2010-04-21 Jan Hubicka <jh@suse.cz>
3158 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3160 2010-04-21 Jan Hubicka <jh@suse.cz>
3162 * varpool.c (decide_is_variable_needed): Variable is always needed
3165 2010-04-21 Jan Hubicka <jh@suse.cz>
3167 * opts.c (decode_options): Enable pure-const pass for whopr.
3169 2010-04-21 Jan Hubicka <jh@suse.cz>
3171 * cgraph.c (dump_cgraph_node): Dump also assembler name.
3172 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3174 (cgraph_decide_inlining): Do not expect callee to be removed in all
3177 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
3179 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3181 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3183 * config/i386/i386.md (x86_shrd): Add athlon_decode and
3184 amdfam10_decode attributes.
3186 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3189 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3190 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3191 (lower_copyprivate_clauses): Use private var in outer
3192 context instead of original var. Make sure the types
3193 are correct for VLAs.
3195 2010-04-21 Richard Guenther <rguenther@suse.de>
3197 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3198 to non-pointer objects.
3200 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3202 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
3203 last chain entry if it starts with the still current label.
3204 (add_location_or_const_value_attribute): Check that
3205 loc_list->first->next is NULL instead of comparing ->first with ->last.
3206 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3207 to add_var_loc_to_decl.
3209 * dwarf2out.c (output_call_frame_info): For dw_cie_version
3210 >= 4 add also address size and segment size fields into CIE header.
3212 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3213 long as address size is the same as sizeof (void *) and
3215 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
3216 address size or segment size is unexpected, return DW_EH_PE_omit.
3217 (classify_object_over_fdes): If get_cie_encoding returned
3218 DW_EH_PE_omit, return -1.
3219 (init_object): If classify_object_over_fdes returned -1,
3220 pretend there were no FDEs at all.
3222 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3224 * config/i386/i386.md (bswap<mode>2): Macroize expander from
3225 bswap{si,di}2 using SWI48 mode iterator.
3226 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3227 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
3228 set modrm attribute of bswap insn to 0 and remove length attribute.
3229 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3230 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
3231 set mode attribute to <MODE> and remove length attribute.
3233 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3235 PR rtl-optimization/43520
3236 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3237 zero available registers.
3239 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3241 * builtins.c (fold_builtin_cproj): Fold more cases.
3243 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3246 (fold_builtin_1): Fold builtin cproj.
3247 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3248 Use ATTR_CONST_NOTHROW_LIST.
3250 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3252 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3253 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3254 ffsi2_no_cmove for !TARGET_CMOVE.
3255 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3256 (ffssi2): Remove expander.
3257 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3259 (ctz<mode>2): Ditto from ctz{si,di}2.
3260 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3262 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3265 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3267 * dwarf2out.c (AT_linkage_name): Define.
3268 (clone_as_declaration): Handle DW_AT_linkage_name.
3269 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3270 of DW_AT_MIPS_linkage_name.
3271 (move_linkage_attr): Likewise.
3272 (dwarf2out_finish): Likewise.
3274 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3277 * fold-const.c (fold_comparison): New folding rule.
3279 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3281 * double-int.h (double_int_setbit): Declare.
3282 * double-int.c (double_int_setbit): New function.
3283 * rtl.h (immed_double_int_const): Declare.
3284 * emit-rtl.c (immed_double_int_const): New function.
3285 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3286 and immed_double_int_const functions.
3287 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3288 expand_copysign_bit): (Ditto.).
3289 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3290 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3291 * dojump.c (prefer_and_bit_test): (Ditto.).
3292 * expr.c (convert_modes, reduce_to_bit_field_precision,
3293 const_vector_from_tree): (Ditto.).
3294 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3296 2010-04-20 Jan Hubicka <jh@suse.cz>
3298 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3299 (dump_cgraph_node): Dump new flags.
3300 * cgraph.h (struct cgraph_node): Add flags
3301 reachable_from_other_partition and in_other_partition.
3302 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3303 other partition can not be removed.
3304 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3305 the other partition must be output; silence sanity checking on
3306 leaking functions bodies from other paritition.
3307 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3308 (lto_output_node): Output new flags; do not sanity check that inline
3309 clones are output; drop lto_forced_extern_inline_p code; do not mock
3310 visibility flags at partition boundaries.
3311 (add_node_to): New function.
3312 (output_cgraph): Use it to sort functions so masters appear before
3314 (input_overwrite_node): Input new flags.
3315 * passes.c (ipa_write_summaries): Do not call
3316 lto_new_extern_inline_states.
3317 * lto-section-out.c (forced_extern_inline,
3318 lto_new_extern_inline_states lto_delete_extern_inline_states,
3319 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3320 * lto-streamer.h (lto_new_extern_inline_states,
3321 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3322 lto_forced_extern_inline_p): Kill.
3324 2010-04-20 Richard Guenther <rguenther@suse.de>
3326 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3327 from vars that can have pointers.
3328 (process_constraint): Dump useless constraints.
3330 2010-04-20 Richard Guenther <rguenther@suse.de>
3332 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3333 (dump_sa_points_to_info): Remove asserts.
3334 (init_base_vars): nothing_id isn't an escape point nor does it
3337 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3339 * tree.h (TYPE_REF_IS_RVALUE): Define.
3340 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3341 should_move_die_to_comdat, prune_unused_types_walk): Handle
3342 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3343 (modified_type_die, gen_reference_type_die): Emit
3344 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3345 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3347 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3350 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3351 calls for -fpic -m31 if they have been sibcall optimized.
3353 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3355 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3356 ar.lc fixed and call-used.
3358 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3360 2010-04-19 Jan Hubicka <jh@suse.cz>
3362 * opts.c (decode_options): Disable whpr incompatible passes.
3363 * lto/lto.c (lto_1_to_1_map): Skip clones.
3364 (read_cgraph_and_symbols): Do not mark everything as needed.
3365 (do_whole_program_analysis): Do map only after optimizing;
3366 set proper cgraph_state; use passmanager.
3368 2010-04-19 DJ Delorie <dj@redhat.com>
3370 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3371 POINTER_PLUS_EXPR and fix them.
3373 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3375 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3376 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3377 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3378 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3379 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3380 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3381 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3382 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3383 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3384 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3385 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3387 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3389 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3390 (check_cond_move_block): Likewise.
3391 (cond_move_process_if_block): Likewise.
3392 (noce_find_if_block): Improve formatting.
3393 (find_if_header): Pass 0 to memset and tweak conditions.
3394 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3396 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3398 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3402 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3403 with non-local decl doesn't need chain.
3405 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3407 * ira-color.c (allocno_reload_assign): Avoid accumulating
3408 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3410 2010-04-19 Martin Jambor <mjambor@suse.cz>
3412 * gimple.h (create_tmp_reg): Declare.
3413 * gimplify.c (create_tmp_reg): New function.
3414 (gimplify_return_expr): Use create_tmp_reg.
3415 (gimplify_omp_atomic): Likewise.
3416 (gimple_regimplify_operands): Likewise.
3417 * tree-dfa.c (make_rename_temp): Likewise.
3418 * tree-predcom.c (predcom_tmp_var): Likewise.
3419 (reassociate_to_the_same_stmt): Likewise.
3420 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3421 (get_replaced_param_substitute): Likewise.
3422 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3423 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3424 * tree-ssa-pre.c (get_representative_for): Likewise.
3425 (create_expression_by_pieces): Likewise.
3426 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3427 (create_tailcall_accumulator): Likewise.
3429 2010-04-19 Martin Jambor <mjambor@suse.cz>
3431 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3433 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3435 2010-04-19 Richard Guenther <rguenther@suse.de>
3437 PR tree-optimization/43796
3438 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3439 from SCEV in the lattice.
3440 (vrp_visit_phi_node): Dump change.
3442 2010-04-19 Richard Guenther <rguenther@suse.de>
3444 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3445 * configure: Re-generated.
3447 2010-04-19 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/43783
3450 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3451 constant ARRAY_REF operands two and three if possible.
3453 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3456 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3458 2010-04-19 Jie Zhang <jie@codesourcery.com>
3461 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3463 2010-04-19 Ira Rosen <irar@il.ibm.com>
3465 PR tree-optimization/37027
3466 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3467 and macro to access it.
3468 (vectorizable_reduction): Add argument.
3469 (vect_get_slp_defs): Likewise.
3470 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3471 statements for possible use in SLP.
3472 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3473 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3474 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3476 (vectorizable_reduction): Likewise.
3477 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3479 (vectorizable_type_demotion, vectorizable_type_promotion,
3480 vectorizable_store): Likewise.
3481 (vect_analyze_stmt): Update call to vectorizable_reduction.
3482 (vect_transform_stmt): Likewise.
3483 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3484 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3485 from different interleaving chains in same node.
3486 (vect_slp_rearrange_stmts): New function.
3487 (vect_supported_load_permutation_p): Allow load permutations for
3488 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3489 inside SLP nodes if necessary.
3490 (vect_analyze_slp_instance): Handle reductions.
3491 (vect_analyze_slp): Try to build SLP instances originating from groups
3493 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3494 (vect_get_constant_vectors): Create initial vectors for reductions
3495 according to reduction code. Add new argument.
3496 (vect_get_slp_defs): Add new argument, pass it to
3497 vect_get_constant_vectors.
3498 (vect_schedule_slp_instance): Remove SLP tree root statements.
3500 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3502 * tree.h (ENUM_IS_SCOPED): Define.
3503 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3504 for ENUM_IS_SCOPED enums.
3506 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3508 * fold-const.c (fold_comparison): Use ssizetype.
3509 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3510 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3511 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3512 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3514 * tree.h (initialize_sizetypes): Remove parameter.
3515 (build_common_tree_nodes): Remove second parameter.
3516 * stor-layout.c (initialize_sizetypes): Remove parameter.
3517 Always create an unsigned type.
3518 (set_sizetype): Assert that the passed type is unsigned and simplify.
3519 * tree.c (build_common_tree_nodes): Remove second parameter.
3520 Adjust call to initialize_sizetypes.
3521 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3522 build_common_tree_nodes.
3524 2010-04-18 Matthias Klose <doko@ubuntu.com>
3526 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3528 2010-04-18 Ira Rosen <irar@il.ibm.com>
3530 PR tree-optimization/43771
3531 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3532 load permutation doesn't have gaps.
3534 2010-04-18 Jan Hubicka <jh@suse.cz>
3536 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3537 (sse_prologue_save_insn expander): Use new pattern.
3538 (sse_prologue_save_insn1): New pattern and splitter.
3539 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3541 * i386.c (setup_incoming_varargs_64): Do not compute jump
3543 (ix86_gimplify_va_arg): Update alignment needed.
3544 (ix86_local_alignment): Do not align all local arrays to 128bit.
3546 2010-04-17 Jan Hubicka <jh@suse.cz>
3548 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3550 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3552 * arm.md (negdi2): Remove redundant code to force values into a
3555 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3557 * arm/bpabi.S: Add EABI alignment attributes to objects.
3558 * arm/bpabi-v6m.S: Likewise.
3559 * arm/crti.asm: Likewise.
3560 * arm/crtn.asm: Likewise.
3561 * arm/lib1funcs.asm: Likewise.
3562 * arm/libunwind.S: Likewise.
3564 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3566 * arm-protos.h (tune_params): New structure.
3567 * arm.c (current_tune): New variable.
3568 (arm_constant_limit): Delete.
3569 (struct processors): Add pointer to the tune parameters.
3570 (arm_slowmul_tune): New tuning option.
3571 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3572 (all_cores): Adjust to pick up the tuning model.
3573 (arm_constant_limit): New function.
3574 (arm_override_options): Select the appropriate tuning model. Delete
3575 initialization of arm_const_limit.
3576 (arm_split_constant): Use the new constant-limit model.
3577 (arm_rtx_costs): Pick up the current tuning model.
3578 * arm.md (is_strongarm, is_xscale): Delete.
3579 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3580 for Xscale variant architectures.
3581 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3583 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3585 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3587 (arm_rtx_costs_1): Remove unused variable extra_cost.
3588 (arm_unwind_emit_set): Use variable offset.
3589 (thumb1_output_casesi): Remove unused variable flags.
3591 2010-04-16 Jeff Law <law@redhat.com>
3593 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3594 needing assignment rather than doing a two-phase assignment. Remove
3595 unused variable 'm'.
3597 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3600 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3602 2010-04-16 Doug Kwan <dougkwan@google.com>
3604 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3605 (next_operand_entry_id): New static variable.
3606 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3607 (add_to_ops_vec): Assigned unique ID to operand entry.
3608 (struct oecount_s): New field ID.
3609 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3610 (undistribute_ops_list): Assign unique IDs to oecounts.
3611 (init_reassoc): reset next_operand_entry_id.
3613 2010-04-16 Doug Kwan <dougkwan@google.com>
3615 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3616 missing left parenthesis.
3618 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3620 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3621 *btdi_rex64 using SWI48 mode iterator.
3622 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3623 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3624 *jcc_btdi_mask_rex64.
3626 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3628 * double-int.h (tree_to_double_int): Convert to macro.
3629 * double-int.c (tree_to_double_int): Remove.
3631 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3634 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3635 with want_address 2 and in case a single element list might be
3636 possible, call it again with want_address 0.
3638 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3640 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3641 case 'W' print operands for HI mode.
3642 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3643 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3644 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3645 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3647 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3649 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3650 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3651 #xx:3 and #xx:4 mode.
3653 * config/h8300/h8300.md (inverted load with HImode dest): Add
3654 support for H8300SX.
3656 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3657 satisfy 'U' constraint.
3659 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3661 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3662 * configure: Regenerate.
3663 * config.in: Regenerate.
3664 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3667 2010-04-16 Richard Guenther <rguenther@suse.de>
3669 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3670 (struct tree_decl_common): ... here.
3671 (DECL_PT_UID): Adjust.
3672 (SET_DECL_PT_UID): Likewise.
3673 (DECL_PT_UID_SET_P): Likewise.
3675 2010-04-16 Richard Guenther <rguenther@suse.de>
3677 PR tree-optimization/43572
3678 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3679 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3680 * tree-flow.h (is_call_clobbered): Remove.
3681 * tree-flow-inline.h (is_call_clobbered): Likewise.
3682 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3683 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3684 (execute_return_slot_opt): Adjust.
3685 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3686 check for call clobbered vars here.
3687 (find_tail_calls): Move tailcall verification to the
3690 2010-04-16 Diego Novillo <dnovillo@google.com>
3692 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3694 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3697 * config/arm/arm.md (cbranchqi4): New pattern.
3698 * config/arm/predicates.md (const0_operand,
3699 cbranchqi4_comparison_operator): New predicates.
3701 2010-04-16 Richard Guenther <rguenther@suse.de>
3703 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3704 (dump_gimple_stmt): Likewise.
3706 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3708 * recog.h (struct recog_data): New field is_operator.
3709 (struct insn_operand_data): New field is_operator.
3710 * recog.c (extract_insn): Set recog_data.is_operator.
3711 * genoutput.c (output_operand_data): Emit code to set the
3713 * reload.c (find_reloads): Use it rather than testing for an
3714 empty constraint string.
3717 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3718 If the previous insn is a cbranchsi4_insn with the same arguments,
3719 omit the compare instruction.
3721 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3722 register, inputs must be low registers and we need a low register
3723 scratch. Handle alternative 2 like alternative 3.
3725 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3727 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3728 don't call get_addr on both. If one expression is a VALUE and
3729 the other a REG, check VALUE's locs if the REG isn't among them.
3731 2010-04-16 Christian Bruel <christian.bruel@st.com>
3733 * config/sh/sh.h (sh_frame_pointer_required): New function.
3734 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3735 (flag_omit_frame_pointer) Set.
3736 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3737 (rounded_frame_size): Adjust size with outgoing_args_size.
3738 (sh_set_return_address): Must return from stack pointer.
3739 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3740 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3741 (ACCUMULATE_OUTGOING_ARGS): Define.
3742 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3743 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3745 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3748 * config/sh/sh.c (sh_legitimize_reload_address): Use
3749 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3750 Remove a unneeded check for offset_base.
3752 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3754 * configure: Regenerated.
3756 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3758 * config/s390/s390.c (s390_call_save_register_used): Switch back
3759 to HARD_REGNO_NREGS.
3761 2010-04-15 Richard Guenther <rguenther@suse.de>
3763 * alias.c (alias_set_subset_of): Handle alias-set zero
3766 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3767 Julian Brown <julian@codesourcery.com>
3769 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3770 alternatives according to use of high and low regs.
3771 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3772 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3773 optimizing for size on Thumb-2.
3775 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3777 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3779 2010-04-15 Richard Guenther <rguenther@suse.de>
3781 * tree-ssa-structalias.c (struct variable_info): Add
3783 (new_var_info): Initialize it.
3784 (dump_constraints): Support printing last added constraints.
3785 (debug_constraints): Adjust.
3786 (dump_constraint_graph): Likewise.
3787 (make_heapvar_for): Check for NULL cfun.
3788 (get_function_part_constraint): New function.
3789 (get_fi_for_callee): Likewise.
3790 (find_func_aliases): Properly implement IPA PTA constraints.
3791 (process_ipa_clobber): New function.
3792 (find_func_clobbers): Likewise.
3793 (insert_into_field_list_sorted): Remove.
3794 (create_function_info_for): Properly allocate vars for IPA mode.
3795 Do not use insert_into_field_list_sorted.
3796 (create_variable_info_for): Properly generate constraints for
3797 global vars in IPA mode.
3798 (dump_solution_for_var): Always dump the solution.
3799 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3800 (find_what_var_points_to): Adjust.
3801 (pt_solution_set): Change.
3802 (pt_solution_ior_into): New function.
3803 (pt_solution_empty_p): Export.
3804 (pt_solution_includes_global): Adjust.
3805 (pt_solution_includes_1): Likewise.
3806 (pt_solutions_intersect_1): Likewise.
3807 (dump_sa_points_to_info): Check some invariants.
3808 (solve_constraints): Move constraint dumping ...
3809 (compute_points_to_sets): ... here.
3810 (ipa_pta_execute): ... and here.
3811 (compute_may_aliases): Do not re-compute points-to info
3812 locally if IPA info is available.
3813 (ipa_escaped_pt): New global var.
3814 (ipa_pta_execute): Properly implement IPA PTA.
3815 * tree-into-ssa.c (dump_decl_set): Support dumping
3816 decls not in referenced-vars.
3817 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3818 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3819 (dump_points_to_solution): Likewise.
3820 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3821 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3822 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3823 (copy_decl_to_var): Copy DECL_PT_UID.
3824 (copy_result_decl_to_var): Likewise.
3825 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3826 (copy_node_stat): Copy it.
3827 * tree.h (DECL_PT_UID): New macro.
3828 (SET_DECL_PT_UID): Likewise.
3829 (DECL_PT_UID_SET_P): Likewise.
3830 (struct tree_decl_minimal): Add pt_uid member.
3831 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3832 (pt_solution_empty_p): Declare.
3833 (pt_solution_set): Adjust.
3834 (ipa_escaped_pt): Declare.
3835 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3836 * gimple-pretty-print.c (pp_points_to_solution): New function.
3837 (dump_gimple_call): Dump call clobber/use information.
3838 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3839 * tree-pass.h (TDF_ALIAS): New dump option.
3840 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3841 * doc/invoke.texi (-fipa-pta): Update documentation.
3843 2010-04-15 Richard Guenther <rguenther@suse.de>
3845 * Makefile.in (OBJS-common): Add gimple-fold.o.
3846 (gimple-fold.o): New rule.
3847 * tree.h (maybe_fold_offset_to_reference,
3848 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3850 * gimple.h: ... here.
3851 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3852 may_propagate_address_into_dereference): Move prototypes ...
3853 * gimple.h: ... here.
3854 * tree-ssa-ccp.c (get_symbol_constant_value,
3855 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3856 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3857 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3858 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3859 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3860 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3861 gimplify_and_update_call_from_tree): Move ...
3862 * gimple-fold.c: ... here. New file.
3863 (ccp_fold_builtin): Rename to ...
3864 (gimple_fold_builtin): ... this.
3865 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3867 2010-04-15 Richard Guenther <rguenther@suse.de>
3869 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3870 fit_double_type, force_fit_type_double, add_double_with_sign,
3871 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3872 lrotate_double, rrotate_double, div_and_round_double): Move ...
3873 * double-int.c: ... here.
3874 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3875 add_double, neg_double, mul_double_with_sign, mul_double,
3876 lshift_double, rshift_double, lrotate_double, rrotate_double,
3877 div_and_round_double): Move prototypes ...
3878 * double-int.h: ... here.
3880 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3883 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3884 matching constraints to ensure inputs match the output.
3886 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3889 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3890 in an input-only operand.
3892 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3894 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3895 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3896 (double_int_negative_p): Convert to static inline function.
3897 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3898 (double_int_negative_p): Remove.
3899 * tree.h (lshift_double, rshift_double):
3900 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3901 * fold-const.c (fold_convert_const_int_from_real,
3902 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3903 (lshift_double): Change type of arith argument to bool.
3904 (rshift_double): Change type of arith argument to bool. Correct
3906 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3908 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3911 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3912 at the start and end of the then/else blocks, and omit them from the
3914 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3915 argument; all callers changed. Pass zero to old_insns_match_p instead.
3916 (flow_find_head_matching_sequence): New function.
3917 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3918 * basic-block.h (flow_find_cross_jump,
3919 flow_find_head_matching_sequence): Declare functions.
3921 2010-04-14 Jason Merrill <jason@redhat.com>
3924 * c-common.c (attribute_takes_identifier_p): New fn.
3925 * c-common.h: Declare it.
3927 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3929 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3931 (*udivmod<mode>4): Ditto.
3933 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3935 * config/i386/i386.md (maxmin_int): Rename code attribute from
3936 maxminiprefix and update all users.
3937 (maxmin_float): Ditto from maxminfprefix.
3938 (logic): Ditto from logicprefix.
3939 (absneg_mnemonic): Ditto from absnegprefix.
3940 * config/i386/mmx.md: Update all users of maxminiprefix,
3941 maxminfprefix and logicprefix for rename.
3942 * config/i386/sse.md: Ditto.
3943 * config/i386/sync.md (sync_<code><mode>): Update for
3946 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3949 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3950 warnings converted to errors.
3952 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3954 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3955 used insn_type variable.
3956 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3957 to avoid set-but-not-used warning.
3959 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3961 * df-core.c (df_ref_debug): Change format string placeholder
3963 * dwarf2asm.c (dw2_asm_output_data_raw,
3964 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3965 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3966 * dwarf2out.c (output_cfi, output_cfi_directive,
3967 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3968 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3970 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3971 * print-rtl.c (print_rtx): Ditto.
3973 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3976 * builtins.c (expand_builtin_pow_root): New function to expand pow
3977 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3978 series of sqrt and cbrt calls under -ffast-math.
3979 (expand_builtin_pow): Call it.
3981 2010-04-14 Michael Matz <matz@suse.de>
3983 PR tree-optimization/42963
3984 * tree-cfg.c (touched_switch_bbs): New static variable.
3985 (group_case_labels_stmt): New function broken out from ...
3986 (group_case_labels): ... here, use the above.
3987 (start_recording_case_labels): Allocate touched_switch_bbs.
3988 (end_recording_case_labels): Deallocate it, call
3989 group_case_labels_stmt.
3990 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3992 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3994 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3997 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3999 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
4001 2010-04-13 Jan Hubicka <jh@suse.cz>
4003 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
4004 of optimized out static functions.
4005 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
4006 cost computation. Also sanity check for overflows.
4007 (update_caller_keys): Update cgraph_edge_badness call; properly
4008 update fibheap and sanity check that it is up to date.
4009 (add_new_edges_to_heap): Update cgraph_edge_badness.
4010 (cgraph_decide_inlining_of_small_function): Likewise;
4011 add sanity checking that badness in heap is up to date;
4012 improve dumping of reason; Update badness of calls to the
4013 offline copy of function currently inlined; dump badness
4014 of functions not inlined because of unit growth limits.
4016 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
4019 * c-common.c (pointer_int_sum): Disregard overflow that occured only
4020 because of sign-extension change when converting to sizetype here...
4021 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
4023 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
4024 the folding to constants. Remove redundant final conversion.
4025 (fold_binary) <associate>: Do not associate if the re-association of
4026 constants alone overflows.
4027 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
4028 to the end of the list.
4029 (multiple_of_p) <COND_EXPR>: New case.
4031 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
4033 * opt-functions.awk (opt_sanitized_name): New.
4035 * optc-gen.awk: Use it
4036 * opth-gen.awk: Use it.
4038 2010-04-13 Martin Jambor <mjambor@suse.cz>
4040 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
4041 (sra_modify_assign): Delete stmts loading dead data even if racc has no
4042 children. Call replace_uses_with_default_def_ssa_name to handle
4045 2010-04-13 Michael Matz <matz@suse.de>
4048 * builtins.c (expand_builtin_interclass_mathfn): Also create
4049 a register if the predicate doesn't match.
4051 2010-04-13 Diego Novillo <dnovillo@google.com>
4053 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
4054 * c-pch.c: Include timevar.h.
4055 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
4056 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
4057 * ggc-common.c: Include timevar.h.
4058 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
4059 * timevar.def (TV_PCH_SAVE): Define.
4060 (TV_PCH_CPP_SAVE): Define.
4061 (TV_PCH_PTR_REALLOC): Define.
4062 (TV_PCH_PTR_SORT): Define.
4063 (TV_PCH_RESTORE): Define.
4064 (TV_PCH_CPP_RESTORE): Define.
4066 2010-04-13 Michael Matz <matz@suse.de>
4068 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
4070 (can_reassociate_p): New function.
4071 (break_up_subtract_bb, reassociate_bb): Use it.
4073 2010-04-13 Richard Guenther <rguenther@suse.de>
4076 * builtins.c (c_readstr): Fix assert.
4078 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
4080 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
4081 when generating cltd insn.
4083 (*ashl<mode>3_1): Remove special handling for register operand 2.
4084 (*ashlsi3_1_zext): Ditto.
4085 (*ashlhi3_1): Ditto.
4086 (*ashlhi3_1_lea): Ditto.
4087 (*ashlqi3_1): Ditto.
4088 (*ashlqi3_1_lea): Ditto.
4089 (*<shiftrt_insn><mode>3_1): Ditto.
4090 (*<shiftrt_insn>si3_1_zext): Ditto.
4091 (*<shiftrt_insn>qi3_1_slp): Ditto.
4092 (*<rotate_insn><mode>3_1): Ditto.
4093 (*<rotate_insn>si3_1_zext): Ditto.
4094 (*<rotate_insn>qi3_1_slp): Ditto.
4096 2010-04-13 Richard Guenther <rguenther@suse.de>
4098 * tree-ssa-structalias.c (callused_id): Remove.
4099 (call_stmt_vars): New.
4100 (get_call_vi): Likewise.
4101 (lookup_call_use_vi): Likewise.
4102 (lookup_call_clobber_vi): Likewise.
4103 (get_call_use_vi): Likewise.
4104 (get_call_clobber_vi): Likewise.
4105 (make_transitive_closure_constraints): Likewise.
4106 (handle_const_call): Adjust to do per-call call-used handling.
4107 (handle_pure_call): Likewise.
4108 (find_what_var_points_to): Remove general callused handling.
4109 (init_base_vars): Likewise.
4110 (init_alias_vars): Initialize call_stmt_vars.
4111 (compute_points_to_sets): Process call-used and call-clobbered
4112 vars for call statements.
4113 (delete_points_to_sets): Free call_stmt_vars.
4115 2010-04-13 Richard Guenther <rguenther@suse.de>
4117 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4118 Only add RW dependence for dependence distance zero.
4119 Adjust maximal vectorization factor according to dependences.
4120 Move alignment handling ...
4121 (vect_find_same_alignment_drs): ... here. New function.
4122 (vect_analyze_data_ref_dependences): Adjust.
4123 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
4124 (vect_analyze_data_refs): Adjust minimal vectorization factor
4125 according to data references.
4126 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
4127 dependences before determining the vectorization factor.
4128 Analyze alignment after determining the vectorization factor.
4129 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
4130 dependences before alignment.
4131 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
4133 (vect_analyze_data_refs): Likewise.
4134 (MAX_VECTORIZATION_FACTOR): New define.
4136 2010-04-13 Duncan Sands <baldrick@free.fr>
4138 * except.h (lang_eh_type_covers): Remove.
4139 * except.c (lang_eh_type_covers): Likewise.
4141 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4142 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4144 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
4145 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
4146 UNITS_PER_LONG where it is ABI relevant.
4147 (s390_return_addr_rtx): Likewise.
4148 (s390_back_chain_rtx): Likewise.
4149 (s390_frame_area): Likewise.
4150 (s390_frame_info): Likewise.
4151 (s390_initial_elimination_offset): Likewise.
4152 (save_gprs): Likewise.
4153 (s390_emit_prologue): Likewise.
4154 (s390_emit_epilogue): Likewise.
4155 (s390_function_arg_advance): Likewise.
4156 (s390_function_arg): Likewise.
4157 (s390_va_start): Likewise.
4158 (s390_gimplify_va_arg): Likewise.
4159 (s390_function_profiler): Likewise.
4160 (s390_optimize_prologue): Likewise.
4161 (s390_rtx_costs): Likewise.
4162 (s390_secondary_reload): Likewise.
4163 (s390_promote_function_mode): Likewise.
4164 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
4165 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
4166 registers available.
4167 (s390_unwind_word_mode): New function.
4168 (s390_function_value): Split 64 bit values into register pair if
4169 used as return value.
4170 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
4171 function call parameters. Handle parallels.
4172 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
4173 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4174 (DWARF_CIE_DATA_ALIGNMENT): New macro.
4175 (s390_expand_setmem): Remove unused variable src_addr.
4176 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
4177 deal with 64 bit registers.
4178 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
4179 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
4180 (UNITS_PER_LONG): New macro.
4181 * libjava/include/s390-signal.h: Define extended ucontext
4182 structure containing the upper halfs of the 64 bit registers.
4184 2010-04-13 Simon Baldwin <simonb@google.com>
4186 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
4188 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
4190 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
4191 rvalue on the RHS if the LHS is of a non-renamable type.
4192 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
4194 2010-04-13 Matthias Klose <doko@ubuntu.com>
4196 * gcc.c (cc1_options): Handle -iplugindir before processing
4197 the cc1 spec. Only add -iplugindir once.
4198 (cpp_unique_options): Add -iplugindir option if -fplugin* options
4200 * common.opt (iplugindir): Remove `Separate' property, initialize.
4201 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
4203 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
4204 (distclean): Remove plugin dir.
4205 * doc/invoke.texi: Document -iplugindir.
4207 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
4209 * doc/plugins.texi (Loading Plugins): Document short
4210 -fplugin=foo option.
4211 (Plugin API): Mention default_plugin_dir_name function.
4213 * gcc.c (find_file_spec_function): Add new declaration.
4214 (static_spec_func): Use it for "find-file".
4215 (find_file_spec_function): Add new function.
4216 (cc1_options): Add -iplugindir option if -fplugin* options found.
4218 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
4220 * plugin.c (add_new_plugin): Updated comment, and handle short
4222 (default_plugin_dir_name): Added new function.
4224 * common.opt (iplugindir): New option to set the plugin directory.
4226 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
4228 * config/i386/i386.md (any_rotate): New code iterator.
4229 (rotate_insn): New code attribute.
4231 (SWIM124): New mode iterator.
4232 (<rotate_insn>ti3): New expander.
4233 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4234 any_rotate code iterator.
4235 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4236 using any_rotate code iterator and SWIM124 mode iterator.
4237 (ix86_rotlti3): New insn_and_split pattern.
4238 (ix86_rotrti3): Ditto.
4239 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4240 ix86_rotl{di,ti}3 patterns.
4241 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4242 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4243 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4244 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4245 code iterator and SWI mode iterator.
4246 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4247 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4249 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4250 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4251 (bswap rotatert splitter): Add splitter.
4252 (bswap splitter): Macroize splitter using any_rotate code iterator.
4253 Add insn predicate to split only for TARGET_USE_XCHGB or when
4254 optimizing function for size.
4256 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4258 * config/pa/pa.c (emit_move_sequence): Remove use of
4259 deleted variable flag_argument_noalias.
4261 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4263 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4265 Add to unsupported targets list.
4266 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4267 sparc*-sun-solaris2.[567]* from target lists.
4268 * configure: Regenerate.
4269 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4271 Remove Solaris 7 patch references.
4272 (Specific, sparc-sun-solaris2.7): Removed.
4273 (sparc-sun-solaris2*): Update Solaris 7 example.
4274 (sparc64-*-solaris2*): Likewise.
4276 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4278 * config.build (alpha*-dec-osf4*): Remove.
4279 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4280 of obsolete configurations.
4281 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4283 * config/alpha/t-osf4: Renamed to ...
4284 * config/alpha/t-osf5: ... this.
4285 * config/alpha/osf.h: Renamed to ...
4286 * config/alpha/osf5.h: ... this.
4287 Merged old osf5.h contents.
4289 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4290 (EXTRA_SPECS): Removed.
4291 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4292 reflect removal of Tru64 UNIX V4.0/V5.0 support.
4295 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4297 * doc/contrib.texi (Contributors, Rainer Orth): Update.
4299 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
4302 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4303 __thiscall convention.
4305 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4307 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4309 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4311 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4313 * function.c (assign_parms_initialize_all): Add unused attribute
4316 2010-04-12 Richard Guenther <rguenther@suse.de>
4318 * gsstruct.def (GSS_CALL): New.
4319 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4320 * gimple.h: Include tree-ssa-alias.h.
4321 (struct gimple_statement_call): New.
4322 (union gimple_statement_struct_d): Add gimple_call member.
4323 (gimple_call_reset_alias_info): Declare.
4324 (gimple_call_use_set): New function.
4325 (gimple_call_clobber_set): Likewise.
4326 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4327 * gimple.c (gimple_call_reset_alias_info): New function.
4328 (gimple_build_call_1): Call it.
4329 * lto-streamer-in.c (input_gimple_stmt): Likewise.
4330 * tree-inline.c (remap_gimple_stmt): Likewise.
4331 (expand_call_inline): Remove callused handling.
4332 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4333 * tree-dfa.c (dump_variable): Likewise.
4334 * tree-parloops.c (parallelize_loops): Likewise.
4335 * tree-ssa.c (init_tree_ssa): Likewise.
4336 (delete_tree_ssa): Likewise.
4337 * tree-flow-inline.h (is_call_used): Remove.
4338 * tree-flow.h (struct gimple_df): Remove callused member.
4339 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4340 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4341 (ref_maybe_used_by_call_p_1): Simplify.
4342 (call_may_clobber_ref_p_1): Likewise.
4343 * tree-ssa-structalias.c (compute_points_to_sets): Set
4344 the call stmt used and clobbered sets.
4345 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4346 (find_tail_calls): Verify the tail call.
4348 2010-04-12 Richard Guenther <rguenther@suse.de>
4350 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4351 single-iteration always-inline inlining.
4352 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4353 (cgraph_decide_inlining): Do not handle always-inline specially.
4354 (try_inline): Remove always-inline cycle detection special case.
4355 Do not recurse on always-inlines.
4356 (cgraph_early_inlining): Do not iterate if not optimizing.
4357 (cgraph_gate_early_inlining): remove.
4358 (pass_early_inline): Run unconditionally.
4359 (gate_cgraph_decide_inlining): New function.
4360 (pass_ipa_inline): Use it. Do not run the IPA inliner if
4361 not inlining or optimizing.
4362 (cgraph_decide_inlining_of_small_functions): Also consider
4363 always-inline functions.
4364 (cgraph_default_inline_p): Return true for nodes which should
4365 disregard inline limits.
4366 (estimate_function_body_sizes): Assume zero size and time for
4367 nodes which are marked as disregarding inline limits.
4368 (cgraph_decide_recursive_inlining): Do not perform recursive
4369 inlining on always-inline nodes.
4371 2010-04-12 Jakub Jelinek <jakub@redhat.com>
4374 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4375 for exprs satisfying handled_component_p.
4377 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
4379 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4380 non-constant aggregate elements.
4382 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4383 is a real initialization.
4385 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
4388 * c-decl.c (start_function): Move forward check for nested function.
4390 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
4392 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4393 * config/sh/sh.c: Include reload.h.
4394 (sh_legitimize_reload_address): New.
4395 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4396 sh_legitimize_reload_address.
4398 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4400 * config/sh/sh.md (*movqi_pop): New insn pattern.
4401 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4403 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4405 * config/i386/i386.md (any_shiftrt): New code iterator.
4406 (shiftrt_insn): New code attribute.
4408 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4409 using any_shiftrt code iterator.
4410 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4411 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4412 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4413 pattern from corresponding peephole2 patterns.
4414 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4415 using any_shiftrt code iterator.
4416 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4417 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4418 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4419 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4420 *{ashr,lshr}<mode>3_cmp_zext.
4421 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4423 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4425 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4427 (*lshr<mode>3_cconly): Ditto.
4429 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4431 * config/i386/i386.md (lshr<mode>3): Macroize expander from
4432 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4433 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4434 pattern from *lshr{di,ti}3_1 and corresponding splitters using
4436 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4437 from corresponding peephole2 patterns.
4438 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4439 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4440 and *lshrdi3_1_rex64 using SWI mode iterator.
4441 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4442 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4443 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4444 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4445 and *lshrdi3_cmp_rex64 using SWI mode iterator.
4446 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4447 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4448 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4449 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4452 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
4454 * config/i386/i386.md (ashr<mode>3): Macroize expander from
4455 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4456 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4457 pattern from *ashr{di,ti}3_1 and corresponding splitters using
4459 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4460 from corresponding peephole2 patterns.
4461 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4462 (ashrsi3_cvt): Rename from ashrsi3_31.
4463 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4464 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4465 and x86_64_shift_adj_3 using SWI48 mode iterator.
4466 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4467 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4468 and *ashrdi3_1_rex64 using SWI mode iterator.
4469 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4470 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4471 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4472 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4473 and *ashrdi3_cmp_rex64 using SWI mode iterator.
4474 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4475 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4476 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4477 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4479 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4480 * config/i386/i386.c (ix86_split_ashr): Update for renamed
4481 x86_shift<mode>_adj_3 expanders.
4483 2010-04-10 Wei Guozhi <carrot@google.com>
4486 * config/arm/arm.c (arm_pic_static_addr): New function.
4487 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4489 (arm_output_addr_const_extra): Output expression for new pattern.
4490 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4492 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4494 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4497 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4498 * web.c: Include "insn-config.h" and "recog.h".
4499 (union_match_dups): New function.
4500 (web_main): Call it.
4501 (union_defs): Don't try to recognize match_dups.
4503 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4504 if doing so would replace the entire pattern.
4506 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4510 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4511 and splitter pattern. Change splitter operand 1 predicate to
4514 2010-04-09 Martin Jambor <mjambor@suse.cz>
4516 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4517 lattices are addresses of CONST_DECLs with the same initial value.
4518 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4519 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4521 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4522 Bernd Schmidt <bernds@codesourcery.com>
4524 * loop-invariant.c (replace_uses): New static function.
4525 (move_invariant_reg): Use it to ensure we can replace the uses.
4527 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4529 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4531 (picochip_override_options): Enable section anchors only above -O1.
4532 (picochip_reorg): Fixed a couple of build warnings.
4534 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4536 * configure.ac (plugin -rdynamic test): Log result.
4537 * configure: Regenerate.
4538 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4539 (RDYNAMIC_SPEC): Define.
4540 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4542 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4544 * configure.ac: Determine Sun ld version numbers.
4545 (comdat_group): Restrict GNU ld version checks to gld.
4546 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4547 (enable_comdat): Support --enable-comdat.
4548 * configure: Regenerate.
4549 * doc/install.texi (Configuration): Document --enable-comdat.
4551 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4553 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4554 * config/sol2-gld.h: ... here.
4555 * config.gcc (sparc*-*-solaris2*): Reflect this.
4556 (i[34567]86-*-solaris2*): Use it.
4558 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4560 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4562 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4564 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4567 * diagnostic.c (diagnostic_initialize): Initialize
4568 some_warnings_are_errors.
4569 (diagnostic_finish): New.
4570 (diagnostic_action_after_output): Call it before exiting.
4571 (diagnostic_report_diagnostic): Do not print message here. Set
4572 some_warnings_are_errors.
4573 * diagnostic.h (diagnostic_context): Delete
4574 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4575 (diagnostic_finish): Declare.
4576 * toplev.c (toplev_main): Call it before exit.
4578 2010-04-09 Jason Merrill <jason@redhat.com>
4581 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4582 for incomplete type.
4585 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4586 based on a warning flag.
4588 2010-04-09 Richard Guenther <rguenther@suse.de>
4590 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4592 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4595 * varasm.c (default_assemble_visibility): Wrap vars that are
4596 set, but unused, by targets without GAS.
4597 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4598 Remove set, but unused, vars.
4599 (rs6000_legitimize_tls_address): Likewise.
4600 (altivec_expand_dst_builtin): Likewise.
4601 * config/darwin.c (machopic_classify_symbol): Likewise.
4602 (machopic_indirection_name): Likewise.
4604 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4606 * config/i386/i386.md (DWI): New mode iterator.
4607 (S): New mode attribute.
4608 (shift_operand): Ditto.
4609 (shift_immediate_operand): Ditto.
4610 (ashl_input_operand): Ditto.
4611 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4612 using SDWIM mode iterator.
4613 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4614 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4616 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4617 from corresponding peephole2 patterns.
4618 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4619 and x86_64_shift_adj_1 using SWI48 mode iterator.
4620 (x86_shift<mode>_adj_2): Ditto.
4621 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4622 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4623 using SWI48 mode iterator.
4624 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4625 *ashldi3_cmp_rex64 using SWI mode iterator.
4626 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4627 *ashldi3_cconly_rex64 using SWI mode iterator.
4628 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4629 x86_shift<mode>_adj_{1,2}.
4630 (ix86_split_ashr): Ditto.
4631 (ix86_split_lshr): Ditto.
4633 2010-04-09 Richard Guenther <rguenther@suse.de>
4635 * target.h (builtin_conversion): Pass in input and output types.
4636 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4637 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4638 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4639 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4641 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4643 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4645 2010-04-09 Richard Guenther <rguenther@suse.de>
4648 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4650 2010-04-09 Richard Guenther <rguenther@suse.de>
4652 * tree-vectorizer.h (struct _stmt_vec_info): Document
4653 that vectype is the type of the LHS.
4654 (supportable_widening_operation, supportable_narrowing_operation):
4655 Get both input and output vector types as arguments.
4656 (vect_is_simple_use_1): Declare.
4657 (get_same_sized_vectype): Likewise.
4658 * tree-vect-loop.c (vect_determine_vectorization_factor):
4659 Set STMT_VINFO_VECTYPE to the vector type of the def.
4660 (vectorizable_reduction): Adjust.
4661 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4662 Adjust. Specify the output vector type.
4663 (vect_pattern_recog_1): Adjust.
4664 * tree-vect-stmts.c (get_same_sized_vectype): New function.
4665 (vectorizable_call): Adjust.
4666 (vectorizable_conversion): Likewise.
4667 (vectorizable_operation): Likewise.
4668 (vectorizable_type_demotion): Likewise.
4669 (vectorizable_type_promotion): Likewise.
4670 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4672 (vect_is_simple_use_1): New function.
4673 (supportable_widening_operation): Get both input and output
4675 (supportable_narrowing_operation): Likewise.
4676 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4678 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
4680 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4681 __thiscall and _thiscall as predefined macros.
4682 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4683 thiscall attribute handling.
4684 (ix86_comp_type_attributes): Likewise.
4685 (ix86_function_regparm): Likewise.
4686 (ix86_return_pops_args): Likewise.
4687 (init_cumulative_args): Likewise.
4688 (find_drap_reg): Likewise.
4689 (ix86_static_chain): Likewise.
4690 (x86_this_parameter): Likewise.
4691 (x86_output_mi_thunk): Likewise.
4692 (ix86_attribute_table): Add description for thiscall attribute.
4693 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4694 * doc/extend.texi: Add documentation for thiscall.
4696 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4699 * c.opt (Wint-to-pointer-cast): Available in C++.
4700 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4702 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
4704 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4705 * calls.c (expand_call): Pass the function type to aggregate_value_p.
4706 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4707 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
4708 function type instead. Reorder and simplify checks.
4710 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4712 2010-04-08 Jing Yu <jingyu@google.com>
4713 Zdenek Dvorak <ook@ucw.cz>
4715 PR tree-optimization/42720
4716 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4717 loop unswitch conditions here from ...
4718 (tree_unswitch_single_loop): ... here.
4720 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4722 * tree-if-conv.c: Fix comments and simplify logic.
4724 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4726 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4727 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
4728 (main_tree_if_conversion): Update call to tree_if_conversion.
4730 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4733 * doc/invoke.texi (-b,-V): Delete.
4734 * doc/tm.texi: Do not mention -b.
4735 * gcc.c (display_help): Delete -b and -V.
4736 (process_command): Delete -b and -V.
4737 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4739 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
4740 Wolfgang Gellerich <gellerich@de.ibm.com>
4742 Implement target hook for loop unrolling
4743 * target.h (loop_unroll_adjust): Add a new target hook function.
4744 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4745 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4746 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4747 (s390_loop_unroll_adjust): Implement the new target hook for s390.
4748 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4750 (decide_unroll_stupid): Likewise.
4752 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4755 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4757 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4759 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4760 (Specific, *-*-solaris2*): Likewise.
4761 Don't prefer Sun as over GNU as.
4763 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
4765 * config/s390/s390.c (override_options): Adjust the z10 defaults
4766 for max-unroll-times, max-completely-peeled-insns
4767 and max-completely-peel-times.
4769 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4771 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
4772 instructions for z10.
4773 (s390_expand_setmem): Likewise.
4774 (s390_expand_cmpmem): Likewise.
4776 2010-04-08 Richard Guenther <rguenther@suse.de>
4778 PR tree-optimization/43679
4779 * tree-ssa-pre.c (eliminate): Only propagate copies.
4781 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4784 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
4785 set but not used variable warning.
4787 2010-04-08 Wei Guozhi <carrot@google.com>
4790 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4791 (arm_size_rtx_costs): Call the new function when optimized for size.
4793 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4796 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
4797 op0 is not a MEM, just return NULL instead of assertion
4799 (discover_nonconstant_array_refs): Don't walk debug stmts.
4801 2010-04-08 Doug Kwan <dougkwan@google.com>
4803 * configure.ac: Recognize gold and do not use its version number
4804 to test ld features.
4805 * configure: Regenerate.
4807 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
4810 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
4811 (negate_value): Move code to push elements to broken_up_substracts ...
4812 (eliminate_plus_minus_pair): ... here. Push operands that have no
4813 negative pair to plus_negates.
4814 (repropagate_negates, init_reassoc, fini_reassoc): Update.
4816 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4818 * doc/install.texi (Configuration): Move description of
4819 --enable-lto, --with-libelf*, --enable-gold from Java section to
4822 * doc/generic.texi (Working with declarations)
4823 (Function Properties, C and C++ Trees): Fix typos.
4824 * doc/sourcebuild.texi (Top Level): Likewise.
4826 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4829 * tree.h (DECL_READ_P): Define.
4830 (struct tree_decl_common): Add decl_read_flag.
4831 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
4832 a set but not used warning.
4833 (merge_decls): Merge DECL_READ_P flag.
4834 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
4835 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
4836 * c-common.c (handle_used_attribute, handle_unused_attribute):
4838 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
4840 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
4842 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
4843 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
4844 c_parser_binary_expression, c_parser_cast_expression,
4845 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
4846 Call default_function_array_read_conversion instead of
4847 default_function_array_conversion where needed.
4848 (c_parser_unary_expression, c_parser_conditional_expression,
4849 c_parser_postfix_expression_after_primary, c_parser_initelt):
4850 Likewise. Call mark_exp_read where needed.
4851 (c_parser_statement_after_labels, c_parser_asm_operands,
4852 c_parser_typeof_specifier, c_parser_sizeof_expression,
4853 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4855 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4857 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4858 (warn_unused_but_set_parameter): Default to warn_unused
4860 * doc/invoke.texi: Document -Wunused-but-set-variable and
4861 -Wunused-but-set-parameter.
4863 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
4864 used count variable.
4865 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
4866 when operandN variables aren't used in the body of the expander
4868 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
4869 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
4870 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
4871 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
4872 FOR_EACH_IMM_USE_ON_STMT): Likewise.
4873 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
4874 * tree.c (PROCESS_ARG): Likewise.
4876 2010-04-07 Simon Baldwin <simonb@google.com>
4878 * diagnostic.h (diagnostic_override_option_index): New macro to
4879 set a diagnostic's option_index.
4880 * c-tree.h (c_cpp_error): Add warning reason argument.
4881 * opts.c (_warning_as_error_callback): New.
4882 (register_warning_as_error_callback): Store callback for
4883 warnings enabled via enable_warning_as_error.
4884 (enable_warning_as_error): Call callback, minor code tidy.
4885 * opts.h (register_warning_as_error_callback): Declare.
4886 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
4887 response to -Werror=.
4888 (c_common_init_options): Register warning_as_error_callback in opts.c.
4889 * common.opt: Add -Wno-cpp option.
4890 * c-common.c (struct reason_option_codes_t): Map cpp warning
4891 reason codes to gcc option indexes.
4892 * (c_option_controlling_cpp_error): New function, lookup the gcc
4893 option index for a cpp warning reason code.
4894 * (c_cpp_error): Add warning reason argument, call
4895 c_option_controlling_cpp_error for diagnostic_override_option_index.
4896 * doc/invoke.texi: Document -Wno-cpp.
4898 2010-04-07 Richard Guenther <rguenther@suse.de>
4900 * ipa-reference.c (mark_load): Use get_base_address.
4901 (mark_store): Likewise.
4903 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
4904 inserting GIMPLE_NOPs into the IL.
4905 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4906 Explicitly strip handled components and indirect references.
4908 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
4909 folding address expressions.
4910 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
4911 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
4912 operand_equal_p to compare decls.
4913 (ptr_deref_may_alias_decl_p): Likewise.
4914 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
4915 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
4916 Handle reversed comparison ops.
4917 * tree-sra.c (asm_visit_addr): Use get_base_address.
4918 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
4919 * ipa-reference.c (mark_address): Use get_base_address.
4921 2010-04-07 Richard Guenther <rguenther@suse.de>
4923 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
4924 Propagate constants everywhere.
4926 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4929 * tree.c (MAX_INT_CACHED_PREC): Define.
4930 (nonstandard_integer_type_cache): New array.
4931 (build_nonstandard_integer_type): Cache results for precision
4932 <= MAX_INT_CACHED_PREC.
4934 2010-04-07 Richard Guenther <rguenther@suse.de>
4936 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
4937 -fargument-noalias-global, -fargument-noalias-anything): Remove.
4938 * common.opt: Likewise.
4939 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
4940 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
4941 (nonoverlapping_memrefs_p): Likewise.
4942 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4943 * opts.c (common_handle_option): Handle OPT_fargument_alias,
4944 OPT_fargument_noalias, OPT_fargument_noalias_anything and
4945 OPT_fargument_noalias_global for backward compatibility.
4947 2010-04-07 Richard Guenther <rguenther@suse.de>
4949 PR tree-optimization/43270
4950 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
4951 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
4952 * tree-ssa-pre.c (phi_translate_1): Adjust.
4953 (fully_constant_expression): Split out vn_reference handling to ...
4954 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
4955 Fold reads from constant strings.
4956 (vn_reference_lookup): Handle fully constant references.
4957 (vn_reference_lookup_pieces): Likewise.
4958 * Makefile.in (expmed.o-warn): Add -Wno-error.
4960 2010-04-07 Martin Jambor <mjambor@suse.cz>
4962 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
4964 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
4967 * gcc.c: Add -static-libstdc++ to list of recognized options.
4969 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4971 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4973 2010-04-07 Richard Guenther <rguenther@suse.de>
4976 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4977 bases build simple mem attributes to retain points-to information.
4979 2010-04-07 Richard Guenther <rguenther@suse.de>
4982 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4983 preserve points-to related information.
4985 2010-04-07 Richard Guenther <rguenther@suse.de>
4988 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4989 discard plain indirect references.
4990 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4991 * tree.c (tree_nop_conversion): Likewise.
4993 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4996 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4998 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
5000 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
5001 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
5003 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5005 * tree-if-conv.c: Fix indentation and comments.
5007 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5009 * tree-if-conv.c: Sort static functions in topological order.
5011 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5013 * tree-if-conv.c: Fix indentation and comments.
5015 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5018 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
5019 lang_hooks.types.type_for_size instead of
5020 build_nonstandard_integer_type.
5021 When converting an unsigned type to signed, double its precision.
5022 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
5023 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
5024 (graphite_create_new_loop_guard): When ub + 1 wraps around,
5027 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5030 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
5031 POINTER_PLUS_EXPR for pointer types.
5033 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5036 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
5037 * graphite-clast-to-gimple.c: Include langhooks.h.
5038 (max_signed_precision_type): New.
5039 (max_precision_type): Takes two types as arguments.
5040 (precision_for_value): New.
5041 (precision_for_interval): New.
5042 (gcc_type_for_interval): New.
5043 (gcc_type_for_value): New.
5044 (gcc_type_for_clast_term): New.
5045 (gcc_type_for_clast_red): New.
5046 (gcc_type_for_clast_bin): New.
5047 (gcc_type_for_clast_expr): Split up into several functions.
5048 (gcc_type_for_clast_eq): Rewritten.
5049 (compute_bounds_for_level): New.
5050 (compute_type_for_level_1): New.
5051 (compute_type_for_level): New.
5052 (gcc_type_for_cloog_iv): Removed.
5053 (gcc_type_for_iv_of_clast_loop): Rewritten.
5054 (graphite_create_new_loop): Compute the lower and upper bound types
5055 with gcc_type_for_clast_expr.
5056 (graphite_create_new_loop_guard): Same.
5057 (find_cloog_iv_in_expr): Removed.
5058 (compute_cloog_iv_types_1): Removed.
5059 (compute_cloog_iv_types): Removed.
5060 (gloog): Do not call compute_cloog_iv_types.
5061 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
5063 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
5064 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
5065 (GBB_CLOOG_IV_TYPES): Removed.
5067 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5069 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
5070 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
5071 (detect_commutative_reduction): Same.
5073 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5075 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
5076 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
5078 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
5079 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
5080 (rewrite_commutative_reductions_out_of_ssa): Same.
5081 * passes.c (execute_function_todo): Call verify_ssa for every pass
5082 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
5083 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
5084 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
5085 with an extra argument.
5086 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
5087 verify_ssa only when the extra argument is true.
5088 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
5089 with an extra argument.
5090 (tree_transform_and_unroll_loop): Same.
5092 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5094 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
5095 for all the passes of the LNO having LOOP_CLOSED_SSA.
5096 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
5097 * tree-loop-distribution.c (pass_loop_distribution): Same.
5098 * tree-pass.h (TODO_verify_loops): Removed.
5099 * tree-ssa-loop.c (pass_tree_loop_init): Same.
5101 (pass_tree_unswitch): Same.
5102 (pass_predcom): Same.
5103 (pass_vectorize): Same.
5104 (pass_linear_transform): Same.
5105 (pass_graphite_transforms): Same.
5106 (pass_iv_canon): Same.
5107 (pass_complete_unroll): Same.
5108 (pass_complete_unrolli): Same.
5109 (pass_parallelize_loops): Same.
5110 (pass_loop_prefetch): Same.
5111 (pass_iv_optimize): Same.
5113 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
5116 * passes.c (init_optimization_passes): Move pass_lim before
5117 pass_copy_prop and pass_dce_loop.
5119 2010-04-06 Jakub Jelinek <jakub@redhat.com>
5122 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
5123 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
5124 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
5125 MULTI_* defines for 4 argument vpermil2p* builtins.
5127 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
5129 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
5130 * config/i386/i386.c (x86_maybe_negate_const_int): New.
5131 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
5132 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
5133 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
5134 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
5135 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
5136 Use x86_maybe_negate_const_int to output insn mnemonic.
5137 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
5138 check from instruction predicate. Update comments.
5139 * config/i386/sync.md (sync_add<mode>): Use
5140 x86_maybe_negate_const_int to output insn mnemonic.
5142 2010-04-06 Jan Hubicka <jh@suse.cz>
5144 PR tree-optimization/42906
5145 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
5146 IGNORE_SELF argument. Set visited_control_parents for fully
5148 (find_obviously_necessary_stmts): Update call of
5149 mark_control_dependent_edges_necessary.
5150 (propagate_necessity): Likewise. Handle PHI edges more curefully.
5152 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
5154 * config/i386/i386.md: Remove comment about 'e' and 'E'
5157 2010-04-06 Richard Guenther <rguenther@suse.de>
5159 PR tree-optimization/43627
5160 * tree-vrp.c (extract_range_from_unary_expr): Widenings
5161 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
5164 2010-04-06 Jakub Jelinek <jakub@redhat.com>
5166 * BASE-VER: Change to 4.6.0.
5169 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
5172 2010-04-06 Richard Guenther <rguenther@suse.de>
5175 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
5177 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5179 * doc/invoke.texi (Optimize Options): Document that LTO
5180 won't remove object access purely due to incompatible
5183 2010-04-04 Matthias Klose <doko@ubuntu.com>
5185 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
5186 Initialize variable.
5188 2010-04-03 Richard Guenther <rguenther@suse.de>
5191 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
5192 require a non-NULL MEM_OFFSET.
5194 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
5196 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
5197 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
5198 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
5199 config/alpha/predicates.md, config/arm/arm.md,
5200 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
5201 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
5202 config/darwin9.h, config/darwin.c, config/darwin.h,
5203 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
5204 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
5205 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
5206 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
5207 config/mips/mips.md, config/mn10300/mn10300.c,
5208 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
5209 config/rs6000/aix.h, config/rs6000/dfp.md,
5210 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
5211 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
5212 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
5213 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
5214 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
5215 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
5216 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
5217 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
5218 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
5219 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
5220 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
5221 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
5222 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
5223 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
5224 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
5225 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
5226 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
5227 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
5228 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
5229 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
5230 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
5231 opt-functions.awk, opth-gen.awk, params.def, passes.c,
5232 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5233 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5234 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5235 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5236 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5237 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5238 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5239 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5240 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5241 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5242 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5243 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5244 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5245 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5247 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5250 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5251 * aclocal.m4: Regenerate.
5253 2010-04-02 Richard Guenther <rguenther@suse.de>
5255 PR tree-optimization/43629
5256 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5257 if we have seen a constant value.
5259 2010-04-02 Joseph Myers <joseph@codesourcery.com>
5261 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5263 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
5266 * arm.c (legitimize_tls_address): Adjust call to
5267 gen_tls_load_dot_plus_four.
5268 (arm_note_pic_base): New function.
5269 (arm_cannot_copy_insn_p): Use it.
5270 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5273 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5278 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5280 * Makefile.in ($(out_object_file)): Depend on
5281 gt-$(basename $(notdir $(out_file))).h.
5283 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
5285 * config.gcc (lm32-*-rtems*): Add t-lm32.
5287 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
5289 * config.gcc: Add lm32-*-rtems*.
5290 * config/lm32/rtems.h: New file.
5292 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
5295 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5297 2010-04-01 Jakub Jelinek <jakub@redhat.com>
5299 * dwarf2out.c (output_compilation_unit_header): For
5300 -gdwarf-4 use version 4 instead of version 3.
5301 (output_line_info): For version 4 and above emit additional
5302 maximum ops per insn header field.
5303 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5305 * dwarf2out.c (is_c_family, is_java): Remove.
5306 (lower_bound_default): New function.
5307 (add_bound_info, gen_descr_array_type_die): Use it.
5309 2010-04-01 Dodji Seketeli <dodji@redhat.com>
5312 * dwarf2out.c (gen_variable_die): Allow debug info for variable
5313 re-declaration when it happens in a function.
5315 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
5317 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5318 (cgraph_remove_function_insertion_hook): Same.
5319 (cgraph_call_function_insertion_hooks): Same.
5321 2010-04-01 Richard Guenther <rguenther@suse.de>
5324 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5325 and TREE_THIS_VOLATILE.
5326 (copy_ref_info): Likewise.
5327 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5328 * tree.c (build6_stat): Ignore side-effects of all but arg5
5329 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
5332 2010-04-01 Richard Guenther <rguenther@suse.de>
5334 PR tree-optimization/43607
5335 * ipa-type-escape.c (check_call): Do not access non-existing
5338 2010-04-01 Richard Guenther <rguenther@suse.de>
5342 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5343 Jack Howarth <howarth@bromo.med.uc.edu>
5345 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5348 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5350 * doc/install.texi (Prerequisites): Document libelf usability on
5351 IRIX 5/6 and Solaris 2.
5352 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5353 Update GNU as, GNU ld requirements.
5354 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5355 Document Sun Studio compiler download.
5356 Update and simplify as, ld recommendations.
5357 (Specific, *-*-solaris2.7): Note obsoletion, removal.
5359 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5361 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5362 with_tune_32 to pentium4.
5364 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
5366 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5368 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5370 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5371 obsoletion, removal.
5373 Document GNU as requirement.
5374 Update configure requirements.
5375 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5376 Recomment IRIX 6.5.18+.
5377 Document IDF/IDL requirement.
5378 Document GNU as requirement.
5379 Document GNU ld bootstrap failure.
5380 Remove freeware.sgi.com reference.
5382 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5384 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5385 UNIX V4.0, V5.0 obsoletion, removal.
5386 Remove --with-gc=simple reference.
5387 Update VM requirements during bootstrap.
5388 Remove -oldas bootstrap description.
5389 Update binutils reference.
5390 Remove comparison failure note.
5392 2010-03-31 Richard Guenther <rguenther@suse.de>
5393 Zdenek Dvorak <ook@ucw.cz>
5394 Sebastian Pop <sebastian.pop@amd.com>
5397 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5398 with multiple arguments.
5399 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5401 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5403 * graphite-dependences.c (print_pddr): Call print_pdr with an
5405 * graphite-poly.c (debug_pdr): Add an extra argument for the
5408 (print_pbb_domain): Same.
5410 (print_scop_context): Same.
5412 (print_cloog): Same.
5413 (debug_pbb_domain): Same.
5417 (debug_scop_context): Same.
5419 (debug_cloog): Same.
5420 (print_scop_params): Same.
5421 (debug_scop_params): Same.
5422 (print_iteration_domain): Same.
5423 (print_iteration_domains): Same.
5424 (debug_iteration_domain): Same.
5425 (debug_iteration_domains): Same.
5426 (print_scattering_function): Same.
5427 (print_scattering_functions): Same.
5428 (debug_scattering_function): Same.
5429 (debug_scattering_functions): Same.
5430 * graphite-poly.h (debug_pdr): Update declaration.
5432 (print_pbb_domain): Same.
5434 (print_scop_context): Same.
5436 (print_cloog): Same.
5437 (debug_pbb_domain): Same.
5441 (debug_scop_context): Same.
5443 (debug_cloog): Same.
5444 (print_scop_params): Same.
5445 (debug_scop_params): Same.
5446 (print_iteration_domain): Same.
5447 (print_iteration_domains): Same.
5448 (debug_iteration_domain): Same.
5449 (debug_iteration_domains): Same.
5450 (print_scattering_function): Same.
5451 (print_scattering_functions): Same.
5452 (debug_scattering_function): Same.
5453 (debug_scattering_functions): Same.
5455 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5457 * graphite-poly.c (print_scattering_function_1): New.
5458 (print_scattering_function): Call it.
5459 (print_scop_params): Remove spaces at the end of lines.
5462 * graphite-poly.h (print_cloog): Declared.
5463 (debug_cloog): Declared.
5465 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5467 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5469 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5470 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5471 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5472 to switch between adding the IV bump in loop->latch or in loop->header.
5474 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5476 * graphite-poly.c (print_scattering_function): Pretty print following
5479 (print_pbb_domain): Same.
5480 (dump_gbb_cases): Same.
5481 (dump_gbb_conditions): Same.
5484 (print_scop_params): Same.
5485 (print_scop_context): Same.
5487 (print_pbb_body): New.
5488 (lst_indent_to): New.
5489 (print_lst): Start new lines with a #.
5490 * graphite-poly.h (pbb_bb): New.
5491 (pbb_index): Use pbb_bb.
5492 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5494 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5496 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5498 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5499 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5500 and 0 instead of 1 for dw_val_class_flag.
5501 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5502 dw_val_class_range_list, dw_val_class_loc_list,
5503 dw_val_class_lineptr and dw_val_class_macptr, use
5504 DW_FORM_flag_present for dw_val_class_flag and
5505 DW_FORM_exprloc for dw_val_class_loc.
5506 (output_die): For -gdwarf-4 print dw_val_class_loc
5507 size as uleb128 instead of 1 or 2 bytes and don't print
5508 anything for dw_val_class_flag.
5510 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5511 instead of cselib_lookup following by tweaking locs->setting_insn.
5514 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5515 even before returning from label, setjmp call or volatile asm
5518 2010-03-31 Richard Guenther <rguenther@suse.de>
5521 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5522 temporary data on stack.
5524 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5526 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5527 (PUSHSECTION_ASM_OP): Remove.
5528 (POPSECTION_ASM_OP): Remove.
5529 (PUSHSECTION_FORMAT): Remove.
5530 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5531 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5532 * config/sol2.c (solaris_output_init_fini): Use it.
5534 2010-03-31 Jie Zhang <jie@codesourcery.com>
5537 * opt-functions.awk (var_type_struct): Use signed char type
5538 for simple variables.
5540 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5542 * config/sol2.c: Include output.h.
5543 (solaris_assemble_visibility): New function.
5544 * config/t-sol2 (sol2.o): Add output.h dependency.
5545 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5546 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5549 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5552 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5553 V2SImode or XFmode on PRE_DEC.
5556 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5559 2010-03-31 Jie Zhang <jie@codesourcery.com>
5562 * reload.h (caller_save_initialized_p): Declare.
5563 * toplev.c (backend_init_target): Don't call
5564 init_caller_save but set caller_save_initialized_p to false.
5565 * caller-save.c (caller_save_initialized_p): Define.
5566 (init_caller_save): Check caller_save_initialized_p.
5567 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5569 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5572 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5573 and soft-fp/t-softfp to tmake_file.
5574 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5575 (LIBGCC2_TF_CEXT): Define.
5578 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5581 * cselib.c (n_useless_values): Document handling of debug locs.
5582 (n_useless_debug_values, n_debug_values): New variables.
5583 (new_elt_loc_list): Don't add to debug values, keep count.
5584 (promote_debug_loc): New.
5585 (cselib_reset_table): Zero new variables.
5586 (entry_and_rtx_equal_p): Promote debug locs.
5587 (discard_useless_locs): Increment n_useless_debug_values for
5589 (remove_useless_values): Adjust n_useless_values and n_debug_values
5590 with n_useless_debug_values.
5591 (add_mem_for_addr): Promote debug locs.
5592 (cselib_lookup_mem): Likewise.
5593 (cselib_lookup_addr): Renamed to...
5594 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5595 (cselib_log_lookup): ... this. Turn into...
5596 (cselib_lookup_addr): ... new wrapper.
5597 (cselib_lookup_from_insn): New.
5598 (cselib_invalidate_regno): Increment n_useless_debug_values for
5600 (cselib_invalidate_mem): Likewise.
5601 (cselib_process_insn): Take n_deleted and n_debug_values into
5602 account to guard remove_useless_value call.
5603 (cselib_finish): Zero n_useless_debug_values.
5604 * cselib.h (cselib_lookup_from_insn): Declare.
5605 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5606 (sched_analyze_2): Likewise.
5608 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5610 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5612 (adjust_mems): Replace narrowing SUBREG of expression containing
5613 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5614 with operations in the narrower mode.
5617 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5618 regs_invalidated_by_call instead all call_used_reg_set registers.
5620 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5623 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5624 pointer comparisons with types_compatible_p.
5625 * tree-vect-stmts.c (vectorizable_call): Same.
5626 (vectorizable_condition): Same.
5628 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5630 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5631 stack check if the mask would be zero.
5633 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5634 Jack Howarth <howarth@bromo.med.uc.edu>
5636 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5639 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5642 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5644 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5645 Include ___unordxf2 and ___unordtf2.
5646 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5649 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5651 * config/lm32/t-lm32: New file.
5652 * config.gcc: Use the above file when targetting lm32.
5654 2010-03-28 Duncan Sands <baldrick@free.fr>
5656 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5658 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5661 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5662 Improve vectorization cost model diagnostic.
5664 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5667 * tree-vect-data-refs.c (vect_analyze_data_refs): When
5668 compute_data_dependences_for_loop returns false, early exit
5669 and output an extra diagnostic for the failed data reference
5672 2010-03-29 Richard Guenther <rguenther@suse.de>
5674 PR tree-optimization/43560
5675 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5676 (can_sm_ref_p): Treat stores to readonly locations as trapping.
5678 2010-03-29 Jie Zhang <jie@codesourcery.com>
5681 * toplev.c (process_options): Set optimization_default_node
5682 and optimization_current_node.
5683 * opts.c (decode_options): Don't set optimization_default_node
5684 and optimization_current_node.
5686 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
5688 * config/rtems.h: Abandon -qrtems_debug.
5690 2010-03-28 Jan Hubicka <jh@suse.cz>
5692 PR tree-optimization/43505
5693 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5694 map should not be copied.
5696 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5699 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5700 cdtors, set DECL_PRESERVE_P.
5701 * ipa.c (cgraph_externally_visible_p): Return true if declaration
5704 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
5706 PR tree-optimization/43528
5707 * stor-layout.c (place_field): Check that constant fits into
5708 unsigned HWI when skipping calculation of MS bitfield layout.
5710 2010-03-27 Jan Hubicka <jh@suse.cz>
5713 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5714 notice_global_symbol work.
5716 2010-03-27 Jakub Jelinek <jakub@redhat.com>
5718 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5719 instead of dwarf2out_decl.
5720 (struct var_loc_node): Remove section_label field.
5721 (dwarf2out_function_decl): New function.
5722 (dwarf2out_var_location): Don't set section_label field.
5723 (dwarf2out_begin_function): Don't empty decl_loc_table here.
5725 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5727 PR tree-optimization/43544
5728 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5729 First argument for builtin vectorized function hook is now a
5730 tree to be able to distinguish between machine specific and
5732 * targhooks.c (default_builtin_vectorized_function): Ditto.
5733 * targhooks.h (default_builtin_vectorized_function): Ditto.
5734 * target.h (struct gcc_target): Ditto.
5735 * tree-vect-stmts.c (vectorizable_function): Ditto.
5736 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5737 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5740 2010-03-26 Joseph Myers <joseph@codesourcery.com>
5743 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5744 nested binding iff it is a FUNCTION_DECL.
5745 (store_parm_decls_newstyle): Pass nested=true to bind for
5746 FUNCTION_DECLs amongst parameters.
5748 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5750 * var-tracking.c (vt_expand_loc_callback): Don't run
5751 cselib_expand_value_rtx_cb in dummy mode if
5752 cselib_dummy_expand_value_rtx_cb returned false.
5754 * var-tracking.c (emit_note_insn_var_location): For one part
5755 notes with offset 0, don't add EXPR_LIST around the location.
5756 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5757 add_location_or_const_value_attribute): Adjust for that change.
5760 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5761 into first operand and location into second.
5762 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5763 dw_cfi_oprnd_loc for DW_CFA_expression.
5764 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5765 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5766 assume first argument is regnum and second argument is location.
5768 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5771 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
5772 of scratch register to DImode. Split to DImode comparison operator.
5773 Use SImode subreg of scratch register in the multiplication.
5774 (*cmp_sadd_sidi): Ditto.
5775 (*cmp_ssub_si): Ditto.
5776 (*cmp_ssub_sidi): Ditto.
5778 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5781 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
5782 Remove invalid assert and wrong comment.
5784 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5787 * flags.h (final_insns_dump_p): New extern.
5788 * final.c (final_insns_dump_p): New variable.
5789 (rest_of_clean_state): Set it before -fdump-final-insns=
5790 dumping, clear afterwards.
5791 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5792 MEM_ALIAS_SET on MEMs.
5794 2010-03-26 David S. Miller <davem@davemloft.net>
5796 * configure.ac: Fix sparc GOTDATA_OP bug check.
5797 * configure: Rebuild.
5799 2010-03-26 Alan Modra <amodra@gmail.com>
5801 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
5803 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5805 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
5806 TLS_SECTION_ASM_FLAG.
5808 2010-03-25 Jakub Jelinek <jakub@redhat.com>
5811 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
5812 Clear first_function_block_is_cold.
5815 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
5816 argument if the argument is truth_value_p.
5818 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
5820 * config/rs6000/constraints.md: Update copyright year for my changes.
5823 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
5824 used in reg+reg addressing, swap registers.
5826 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5829 * target.h (struct gcc_target): Add code_end hook.
5830 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
5832 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
5833 * toplev.c (compile_file): Call targetm.asm_out.code_end
5834 hook before unwind info/debug info output.
5835 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
5836 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
5837 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5838 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
5839 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5840 * config/i386/i386.c (ix86_file_end): Renamed to...
5841 (ix86_code_end): ... this. Make static. Don't call
5842 file_end_indicate_exec_stack. Emit unwind info using
5843 final_start_function/final_end_function.
5844 (darwin_x86_file_end): Remove.
5845 (TARGET_ASM_CODE_END): Define.
5846 * config/i386/i386.h (TARGET_ASM_FILE_END,
5847 NEED_INDICATE_EXEC_STACK): Don't define.
5848 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
5849 (TARGET_ASM_FILE_END): Define to darwin_file_end.
5850 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
5851 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
5854 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
5855 at the beginning and final_end_function at the end.
5856 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5858 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5860 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
5861 and Sun as TLS syntax.
5862 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
5863 * configure: Regenerate.
5864 * config.in: Regenerate.
5865 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
5866 (default_elf_asm_named_section): Use it.
5867 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
5868 (i386_output_dwarf_dtprel): Likewise.
5869 (output_addr_const_extra): Likewise.
5870 (output_pic_addr_const): Lowercase @GOTTPOFF.
5871 (output_addr_const_extra): Likewise.
5872 (output_pic_addr_const): Lowercase @GOTNTPOFF.
5873 (output_addr_const_extra): Likewise.
5874 (output_pic_addr_const): Lowercase @INDNTPOFF.
5875 (output_addr_const_extra): Likewise.
5876 (output_pic_addr_const): Lowercase @NTPOFF.
5877 (output_addr_const_extra): Likewise.
5878 (output_pic_addr_const): Lowercase @TPOFF.
5879 (output_addr_const_extra): Likewise.
5880 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
5881 (*tls_global_dynamic_64): Likewise.
5882 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
5883 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
5885 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
5886 (ASM_OUTPUT_TLS_COMMON): Use it.
5887 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
5890 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
5891 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
5892 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
5893 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
5894 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5895 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
5897 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5899 * config/i386/i386.c (override_options): Don't accept
5900 -mtls-dialect=sun any longer.
5901 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
5902 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
5903 (*tls_local_dynamic_base_32_sun): Likewise.
5904 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5906 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5909 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5910 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
5913 * ira.c (adjust_cleared_regs): New function.
5914 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
5918 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
5920 * expr.c (expand_expr_real): Restore previous
5921 curr_insn_source_location and curr_insn_block after
5922 expand_expr_real_1 call.
5923 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
5924 instead of expand_expr_real_1.
5926 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
5928 PR rtl-optimization/43413
5929 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
5932 2010-03-22 James E. Wilson <wilson@codesourcery.com>
5935 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
5936 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
5938 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
5940 * config/i386/i386.c (ix86_target_string): Add -mfma.
5941 Fix a typo in comment.
5943 2010-03-22 Mike Stump <mikestump@comcast.net>
5946 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5947 Don't overly align based upon packed packed fields.
5949 2010-03-22 Jason Merrill <jason@redhat.com>
5951 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
5952 Use () rather than [], and move before the element type.
5954 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5956 * doc/configfiles.texi (Configuration Files): Removed
5957 fixinc/Makefile*, intl/Makefile.*.
5958 * doc/makefile.texi: Fixed markup. Abstract from version
5959 control system used.
5960 (Makefile): Removed obsolete gcc/java/parse.y example.
5961 * doc/sourcebuild.texi: Likewise.
5962 (Top Level): Added config, gnattools, libdecnumber, libgcc,
5963 libgomp, libssp. Removed fastjar.
5964 (Miscellaneous Docs): Clarify location.
5965 Added COPYING3, COPYING3.LIB.
5966 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
5968 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5971 * config/i386/i386.c (x86_function_profiler)
5972 [!NO_PROFILE_COUNTERS]: Fix typo.
5973 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5976 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5977 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5979 * doc/sourcebuild.texi (Test Directives): Split into six
5980 subsections, with most of the current text in new subsections
5981 Directives, Selectors, and Final Actions.
5982 (Directives): Split list of test directives into multiple
5984 (Selectors): Describe use and syntax of selectors.
5985 (Effective-Target Keywords): Describe all existing keywords.
5986 (Add Options): Describe features for dg-add-options.
5987 (Require Support): Describe variants of dg-require-support.
5988 (Final Actions): Describe commands to use in dg-final.
5990 2010-03-22 Michael Matz <matz@suse.de>
5993 * recog.c (validate_replace_rtx_group): Replace also in
5994 REG_EQUAL and REG_EQUIV notes.
5996 2010-03-22 Richard Guenther <rguenther@suse.de>
5998 PR tree-optimization/43390
5999 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
6000 sure vector extracts are type correct.
6002 2010-03-22 Richard Guenther <rguenther@suse.de>
6005 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
6006 x * sqrt (x) even when optimizing for size if the target
6007 has native support for sqrt.
6009 2010-03-22 Jakub Jelinek <jakub@redhat.com>
6011 * varasm.c (make_decl_rtl_for_debug): Also clear
6012 flag_mudflap for the duration of make_decl_rtl call.
6015 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
6016 locs from preserved VALUEs.
6018 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6021 * pa.md (movmemsi): Set align to one if zero.
6022 (movmemdi): Likewise.
6024 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
6027 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
6028 with their corresponding prologue pushes.
6030 2010-03-20 Andrew Pinski <pinskia@gmail.com>
6033 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
6034 at the begining or end.
6035 (spu_expand_epilogue): Likewise.
6037 2010-03-20 Richard Guenther <rguenther@suse.de>
6039 PR rtl-optimization/43438
6040 * combine.c (make_extraction): Properly zero-/sign-extend an
6041 extraction of the low part of a CONST_INT. Also handle
6044 2010-03-19 Mike Stump <mikestump@comcast.net>
6046 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
6047 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
6048 (override_options): Use SUBTARGET32_DEFAULT_CPU.
6050 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6053 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
6056 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
6058 PR rtl-optimization/42258
6059 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
6060 use that may match DEF.
6063 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
6064 the cost of loading the constant rather than assuming
6066 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
6067 outer code is AND, do the same tests as the andsi3 expander and
6068 return COSTS_N_INSNS (1) if and is cheap.
6070 * optabs.c (avoid_expensive_constant): Fix formatting.
6072 2010-03-19 Michael Matz <matz@suse.de>
6075 * attribs.c (decl_attributes): When rebuilding a function pointer
6076 type use the same qualifiers as the original pointer type.
6078 2010-03-19 Martin Jambor <mjambor@suse.cz>
6080 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
6081 and is_gimple_ip_invariant_address.
6083 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6086 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6088 * config/arm/arm.c (arm_override_options): Turn off
6089 flag_dwarf2_cfi_asm for AAPCS variants.
6091 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6094 * config/arm/arm.c (emit_multi_reg_push): Update comments.
6095 Use PRE_MODIFY instead of PRE_DEC.
6096 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
6097 (vfp_emit_fstmd): Likewise.
6099 2010-03-19 Michael Matz <matz@suse.de>
6102 * builtins.c (expand_builtin_interclass_mathfn,
6103 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
6106 2010-03-19 Richard Guenther <rguenther@suse.de>
6108 PR tree-optimization/43415
6109 * tree-ssa-pre.c (phi_translate): Split out worker to ...
6110 (phi_translate_1): ... this.
6111 (phi_translate): Move all caching here. Cache all NARY
6112 and REFERENCE translations.
6114 2010-03-19 David S. Miller <davem@davemloft.net>
6116 With help from Eric Botcazou.
6117 * config/sparc/sparc.c: Include dwarf2out.h.
6118 (emit_pic_helper): Delete.
6119 (pic_helper_symbol_name): Delete.
6120 (pic_helper_emitted_p): Delete.
6121 (pic_helper_needed): New.
6122 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
6123 (get_pc_thunk_name): New.
6124 (load_pic_register): Remove 'delay_pic_helper' arg. Use
6125 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
6126 Set pic_helper_needed to true. Don't call emit_pic_helper.
6127 (sparc_expand_prologue): Update load_pic_register call.
6128 (sparc_output_mi_thunk): Likewise.
6129 (sparc_file_end): Emit a hidden comdat symbol for the PIC
6130 thunk if possible. Output CFI information as needed.
6132 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6133 Jack Howarth <howarth@bromo.med.uc.edu>
6136 * config/i386/i386.h: Fix ABI on darwin x86-32.
6138 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
6140 * tree.h: Declare make_decl_rtl_for_debug.
6141 * varasm.c (make_decl_rtl_for_debug): New.
6142 * dwarf2out.c (rtl_for_decl_location): Call it.
6143 * cfgexpand.c (expand_debug_expr): Call it.
6145 2010-03-18 Jakub Jelinek <jakub@redhat.com>
6148 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
6152 * var-tracking.c (vt_init_cfa_base): Do nothing if
6153 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
6155 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
6158 * var-tracking.c (canonicalize_vars_star): New.
6159 (dataflow_post_merge_adjust): Use it.
6161 2010-03-18 Jakub Jelinek <jakub@redhat.com>
6164 * var-tracking.c (non_suitable_const): New function.
6165 (add_uses): For DEBUG_INSNs with constants, don't record any
6166 value, instead just the constant value itself.
6167 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
6168 is not VAR_LOC_UNKNOWN_P, set var to the constant.
6169 (emit_notes_in_bb): Likewise.
6170 (emit_note_insn_var_location): For onepart variables if
6171 cur_loc is a VOIDmode constant, use DECL_MODE.
6173 2010-03-18 Martin Jambor <mjambor@suse.cz>
6176 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
6177 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
6178 all non-clones. Moved call redirection...
6179 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
6180 (cgraph_materialize_all_clones): Dispose of all
6181 combined_args_to_skip bitmaps.
6182 (verify_cgraph_node): Do not check for edges pointing to wrong
6183 nodes in inline clones.
6184 * tree-inline.c (copy_bb): Call
6185 cgraph_redirect_edge_call_stmt_to_callee.
6186 * ipa.c (cgraph_remove_unreachable_nodes): Call
6187 cgraph_node_remove_callees even when there are used clones.
6189 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
6191 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
6193 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
6196 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
6199 2010-03-18 Michael Matz <matz@suse.de>
6202 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
6203 into sqrt(x) if we need to preserve signed zeros.
6205 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
6206 Eric Botcazou <ebotcazou@adacore.com>
6208 PR rtl-optimization/43360
6209 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
6210 note if we don't know its invariant status.
6212 2010-03-18 Michael Matz <matz@suse.de>
6214 PR tree-optimization/43402
6215 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
6216 PHI chains of ssa names registered for update.
6218 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
6221 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
6222 non-offsettable and pre_modify update addressing.
6223 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
6224 and "2" alternatives "#".
6225 (*movdd_softfloat32): Make all alternatives "#";
6226 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
6227 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
6228 (*movdf_softfloat32): Make all alternatives "#";
6229 (movdi): Use the new DIFD mode iterator to create a common splitter
6230 for movdi, movdf and movdd patterns.
6232 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
6234 * common.opt (dumpdir): Remove redundant tab.
6236 2010-03-17 Martin Jambor <mjambor@suse.cz>
6238 PR tree-optimization/43347
6239 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6240 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6242 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
6244 PR rtl-optimization/42216
6245 * regrename.c (create_new_chain): New function, broken out from...
6246 (scan_rtx_reg): ... here. Call it. Handle the case where we are
6247 appending a use to an empty chain.
6248 (build_def_use): Remove previous changes that convert OP_INOUT to
6249 OP_OUT operands; instead detect the case where an OP_INOUT operand
6250 uses a previously untracked register and create an empty chain for it.
6252 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6254 * doc/extend.texi (Function Attributes): Rewrite unfinished
6255 sentence in ms_abi documentation.
6257 2010-03-17 Alan Modra <amodra@gmail.com>
6259 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6260 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6261 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6262 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6264 2010-03-16 Richard Henderson <rth@redhat.com>
6267 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6268 (lower_try_finally): Save and restore eh_seq around the expansion
6271 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6273 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6274 statements before splitting block.
6276 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6278 * doc/sourcebuild.texi (Testsuites): Fix markup.
6279 Use pathnames relative to gcc/testsuite.
6280 (Test Directives): Move description of how timeout is determined.
6281 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6282 (C Tests): Correct gcc.misc-tests directory.
6283 Framework tests now live in gcc.test-framework.
6285 2010-03-16 Richard Guenther <rguenther@suse.de>
6288 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6289 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6291 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6292 Alexandre Oliva <aoliva@redhat.com>
6294 PR tree-optimization/42917
6295 * lambda-code.c (remove_iv): Skip debug statements.
6296 (lambda_loopnest_to_gcc_loopnest): Likewise.
6297 (not_interesting_stmt): Debug statements are not interesting.
6299 2010-03-16 Jakub Jelinek <jakub@redhat.com>
6303 * cselib.c (cselib_preserve_constants,
6304 cfa_base_preserved_val): New static variables.
6305 (preserve_only_constants): New function.
6306 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6307 clear its REG_VALUES. If cselib_preserve_constants, don't
6308 empty the whole hash table, but preserve there VALUEs with constants,
6309 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6310 (cselib_preserve_cfa_base_value): New function.
6311 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6312 (cselib_init): Change argument to int bitfield. Set
6313 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6315 (cselib_finish): Clear cselib_preserve_constants and
6316 cfa_base_preserved_val.
6317 * cselib.h (enum cselib_record_what): New enum.
6318 (cselib_init): Change argument to int.
6319 (cselib_preserve_cfa_base_value): New prototype.
6320 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6321 * dse.c (dse_step1): Likewise.
6322 * cfgcleanup.c (thread_jump): Likewise.
6323 * sched-deps.c (sched_analyze): Likewise.
6324 * gcse.c (local_cprop_pass): Likewise.
6325 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6326 If FN is non-NULL, call the callback always and whenever it returns
6327 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
6328 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6329 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6330 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6331 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6332 * var-tracking.c: Include recog.h.
6333 (bb_stack_adjust_offset): Remove.
6334 (vt_stack_adjustments): Don't call it, instead just gather the
6335 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6336 (adjust_stack_reference): Remove.
6337 (compute_cfa_pointer): New function.
6338 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6339 (struct adjust_mem_data): New type.
6340 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6342 (get_address_mode): New function.
6343 (replace_expr_with_values): Use it.
6344 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6345 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
6346 (adjust_sets): Remove.
6347 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6348 Use get_address_mode.
6349 (get_adjusted_src): Remove.
6350 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
6351 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
6352 (add_with_sets): Don't call adjust_sets.
6353 (fp_setter, vt_init_cfa_base): New functions.
6354 (vt_initialize): Change return type to bool. Move most of pool etc.
6355 initialization to the beginning of the function from end. Pass
6356 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6357 If !frame_pointer_needed, call vt_stack_adjustment before mos
6358 vector is filled, call vt_init_cfa_base if argp/framep has been
6359 eliminated to sp. If frame_pointer_needed and argp/framep has
6360 been eliminated to hard frame pointer, set
6361 hard_frame_pointer_adjustment and call vt_init_cfa_base after
6362 encountering fp setter in the prologue. For MO_ADJUST, call
6363 log_op_type before pusing the op into mos vector, not afterwards.
6364 Call adjust_insn before cselib_process_insn/add_with_sets,
6365 call cancel_changes (0) afterwards.
6366 (variable_tracking_main_1): Adjust for vt_initialize calling
6367 vt_stack_adjustments and returning whether it succeeded or not.
6369 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
6371 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6374 2010-03-15 Jakub Jelinek <jakub@redhat.com>
6376 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6378 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6379 drap_reg has not been set.
6381 2010-03-15 Michael Matz <matz@suse.de>
6384 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6385 use it to expand block copies.
6386 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6387 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6388 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6390 2010-03-15 Richard Guenther <rguenther@suse.de>
6392 PR tree-optimization/43367
6393 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6396 2010-03-15 Richard Guenther <rguenther@suse.de>
6398 PR tree-optimization/43317
6399 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6401 2010-03-15 Martin Jambor <mjambor@suse.cz>
6403 PR tree-optimization/43141
6404 * tree-sra.c (create_abstract_origin): New function.
6405 (modify_function): Call create_abstract_origin.
6407 2010-03-15 Chris Demetriou <cgd@google.com>
6409 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6412 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6415 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6416 call insert_out_of_ssa_copy for default definitions.
6418 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6420 * graphite-clast-to-gimple.c (my_long_long): Defined.
6421 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6422 * graphite-sese-to-poly.c (my_long_long): Defined.
6423 (scop_ivs_can_be_represented): Use it.
6425 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6427 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6428 graphite-max-bbs-per-function, and loop-block-tile-size.
6429 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6431 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6433 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6435 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6436 forward declaration.
6437 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6438 (add_upper_bounds_from_estimated_nit): New.
6439 (build_loop_iteration_domains): Use it.
6441 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6443 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6445 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6448 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6449 should be an INTEGER_CST. Also handle CASE_CONVERT.
6451 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6453 * graphite.c (graphite_initialize): To bound the number of bbs per
6454 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6455 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6456 * doc/invoke.texi: Document it.
6458 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6460 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6461 * graphite-sese-to-poly.h (build_poly_scop): Same.
6463 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6465 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6466 the number of parameters in the scop. Use as an upper bound
6467 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6468 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6469 * doc/invoke.texi: Document it.
6471 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
6473 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6474 * doc/c-tree.texi: Remove.
6475 * doc/generic.texi: Merge c-tree.texi here.
6476 * doc/gccint.texi (Trees): Remove menu entry.
6477 (c-tree.texi): Remove @include.
6478 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6479 * doc/languages.texi (Reading RTL): Ditto.
6481 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6484 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6486 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6489 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6490 code added to work around reload clobbering CONST insns.
6492 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6494 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6495 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6496 (cselib_preserve_only_values): Remove retain argument, don't
6497 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6498 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6499 * var-tracking.c (micro_operation): Move insn field before union.
6500 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6501 (struct variable_tracking_info_def): Remove n_mos field, change
6502 mos into a vector of micro_operations.
6503 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6504 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6505 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6506 changing into a vector.
6507 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6508 come before all other uops generated by add_stores.
6509 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6511 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6512 a vector. Run just one pass over the bbs instead of separate counting
6513 and computation phase.
6514 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6517 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6518 into *nonlocalized_list vector.
6519 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6520 even if origin is non-NULL.
6521 (gen_variable_die): Likewise.
6522 (process_scope_var): Don't change origin.
6523 (gen_decl_die): Likewise.
6524 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6525 before adding new edges instead of after it, fix moving over
6528 2010-03-11 David S. Miller <davem@davemloft.net>
6530 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6532 * configure: Rebuild.
6534 2010-03-11 Martin Jambor <mjambor@suse.cz>
6536 PR tree-optimization/43257
6537 * tree.c (assign_assembler_name_if_neeeded): New function.
6538 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6540 * tree.h (assign_assembler_name_if_neeeded): Declare.
6541 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6542 the function if needed.
6544 2010-03-11 Chris Demetriou <cgd@google.com>
6546 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6547 include/stdint-gcc.h, and include/stdint.h world-readable.
6549 2010-03-11 Richard Guenther <rguenther@suse.de>
6551 PR tree-optimization/43255
6552 * tree-vrp.c (process_assert_insertions_for): Do not insert
6553 asserts for trivial conditions.
6555 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6557 PR tree-optimization/43280
6558 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6559 generation. Move calculation of size out of the if branch.
6560 (find_bswap): Modify compare number generation.
6562 2010-03-11 Richard Guenther <rguenther@suse.de>
6565 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6566 (input_gimple_stmt): Fixup handled component types during
6567 operand read. Also fix up decls in ADDR_EXPRs.
6569 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6571 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6572 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6574 2010-03-10 Jan Hubicka <jh@suse.cz>
6577 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6578 * varasm.c (get_variable_section): Don't do that here...
6579 (make_decl_rtl): ... and here.
6580 (do_assemble_alias): Produce decl RTL.
6581 (assemble_alias): Likewise.
6583 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6586 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6587 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6589 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6590 (based_loc_descr): Only express drap or vdrap regno based expressions
6591 using DW_OP_fbreg when not optimizing.
6592 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6593 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6594 REG_CFA_SET_VDRAP note.
6596 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6598 PR tree-optimization/43236
6599 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6600 error in calculation of base address in reverse iteration case.
6601 (generate_builtin): Take number of latch executions if the statement
6604 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6607 * tree-eh.c: Include pointer-set.h.
6608 (lower_eh_dispatch): Filter out duplicate case labels and
6609 remove the unneeded edge when the label is unused. Return
6610 true when some edges are removed.
6611 (execute_lower_eh_dispatch): When any lowering resulted in
6612 removing an edge, also delete unreachable blocks.
6614 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6617 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6618 UNSPEC_MACHOPIC_OFFSET.
6620 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6623 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6624 (m68k_delegitimize_address): New function.
6626 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6629 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6632 * var-tracking.c (adjust_sets): New function.
6633 (count_with_sets, add_with_sets): Use it.
6634 (get_adjusted_src): New inline function.
6635 (add_stores): Use it.
6638 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6639 call cselib_dummy_expand_value_rtx_cb instead of
6640 cselib_expand_value_rtx_cb.
6643 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6644 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6645 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6646 and .cfi_endproc around the pic thunks.
6647 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6648 all queued unwind info register saves are saved before the call.
6649 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6650 considered as sp-=4 for unwind info and the pop as sp+=4 which
6651 also clobbers dest, but doesn't actually restore it.
6654 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6655 RTX_FRAME_RELATED_P.
6657 2010-03-09 Jie Zhang <jie@codesourcery.com>
6659 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6660 whitespaces in output template.
6662 2010-03-09 Jie Zhang <jie@codesourcery.com>
6664 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6667 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6669 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6670 builtins.exp in a separate job.
6672 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6674 * graphite-sese-to-poly.c (add_param_constraints): Use
6675 lower_bound_in_type and upper_bound_in_type.
6677 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6679 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6680 instead of unsigned_type_node.
6682 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6683 Reza Yazdani <reza.yazdani@amd.com>
6686 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6687 on pointer type parameters.
6689 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6693 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6694 handle conversions from pointer to integers.
6695 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6696 induction variable, to be able to work with code generated by CLooG.
6697 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6698 (build_poly_scop): Bail out if we cannot codegen a loop.
6700 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6702 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6703 code generation with gloog_error.
6705 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6707 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6708 Call fold_convert on all the returned values.
6709 (expand_scalar_variables_expr): Pass to
6710 expand_scalar_variables_ssa_name the type of the resulting expression.
6712 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6714 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6715 ppl_min_for_le_pointset.
6716 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6717 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6719 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6721 * graphite-dependences.c (map_into_dep_poly): Removed.
6722 (dependence_polyhedron_1): Use combine_context_id_scat.
6724 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6726 * graphite-poly.h (struct poly_scattering): Add layout documentation.
6727 (struct poly_bb): Same.
6728 (combine_context_id_scat): New.
6730 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6733 * sese.c (name_defined_in_loop_p): Return false for default
6736 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6738 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6739 and clean up the logic.
6741 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6743 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6746 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6748 * var-tracking.c (remove_cselib_value_chains): Define only for
6750 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6751 delete_slot_part, emit_notes_for_differences_1): Don't call
6752 remove_cselib_value_chains here.
6753 (set_slot_part, emit_notes_for_differences_2): Don't call
6754 add_cselib_value_chains here.
6755 (preserved_values): New vector.
6756 (preserve_value): New function.
6757 (add_uses, add_stores, vt_add_function_parameters): Use it
6758 instead of cselib_preserve_value.
6759 (changed_values_stack): New vector.
6760 (check_changed_vars_0): New function.
6761 (check_changed_vars_1, check_changed_vars_2): Use it.
6762 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6763 changed_values_stack VALUEs.
6764 (vt_emit_notes): For all preserved_values call
6765 add_cselib_value_chains. If ENABLE_CHECKING call
6766 remove_cselib_value_chains before verifying value_chains is empty.
6767 Initialize and free changed_values_stack.
6768 (vt_initialize): Initialize preserved_values.
6769 (vt_finalize): Free preserved_values.
6771 2010-03-08 Richard Guenther <rguenther@suse.de>
6773 PR tree-optimization/43269
6774 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
6777 2010-03-08 Martin Jambor <mjambor@suse.cz>
6779 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
6780 (ipa_is_param_called): Removed.
6781 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
6782 (ipa_print_node_params): Do not print the called flag.
6783 (ipa_write_node_info): Do not stream the called flag.
6784 (ipa_read_node_info): Likewise.
6786 2010-03-07 Jakub Jelinek <jakub@redhat.com>
6789 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6790 * cselib.c (struct expand_value_data): Add dummy field.
6791 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6793 (cselib_dummy_expand_value_rtx_cb): New function.
6794 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6796 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
6797 * var-tracking.c: Include pointer-set.h.
6798 (variable): Change n_var_parts to char from int. Add
6799 cur_loc_changed and in_changed_variables fields.
6800 (variable_canonicalize): Remove.
6801 (shared_var_p): New inline function.
6802 (unshare_variable): Maintain cur_loc_changed and
6803 in_changed_variables fields. If var was in changed_variables,
6804 replace it there with new_var. Just copy cur_loc instead of
6805 resetting it to something else.
6806 (variable_union): Don't recompute cur_loc. Use shared_var_p.
6807 (dataflow_set_union): Don't call variable_canonicalize.
6808 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
6809 of their DEBUG_EXPR_TREE_DECLs.
6810 (canonicalize_loc_order_check): Verify that cur_loc is NULL
6811 and in_changed_variables and cur_loc_changed is false.
6812 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
6813 and cur_loc_changed. Don't update cur_loc here.
6814 (variable_merge_over_src): Don't call variable_canonicalize.
6815 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
6816 removing loc that is equal to cur_loc, clear cur_loc,
6817 set cur_loc_changed and ensure variable_was_changed is called.
6818 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
6819 compare pointers in cur_loc check, if it is equal to loc,
6820 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
6821 (variable_different_p): Remove compare_current_location argument,
6822 don't compare cur_loc.
6823 (dataflow_set_different_1): Adjust variable_different_p caller.
6824 (variable_was_changed): If dv had some var in changed_variables
6825 already, reset in_changed_variables flag for it and propagate
6826 cur_loc_changed over to the new variable. On empty var
6827 always set cur_loc_changed. Set in_changed_variables on whatever
6828 var is added to changed_variables.
6829 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
6830 Use shared_var_p. When removing loc that is equal to cur_loc,
6831 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
6832 end, don't set it to something else, just call variable_was_changed.
6833 (delete_slot_part): Use shared_var_p. When cur_loc equals to
6834 loc being removed, clear cur_loc and set cur_loc_changed.
6835 Set cur_loc_changed if all locations have been removed.
6836 (struct expand_loc_callback_data): New type.
6837 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
6838 allocated. Always create SUBREGs if simplify_subreg failed.
6839 Prefer to use cur_loc, when that fails and still in
6840 changed_variables (and seen first time) recompute it. Set
6841 cur_loc_changed of variables which had to change cur_loc and
6842 compute elcd->cur_loc_changed if any of the subexpressions used
6843 had to change cur_loc.
6844 (vt_expand_loc): Adjust to pass arguments in
6845 expand_loc_callback_data structure.
6846 (vt_expand_loc_dummy): New function.
6847 (emitted_notes): New variable.
6848 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
6849 that weren't used for any other decl in current
6850 emit_notes_for_changes call call vt_expand_loc_dummy to update
6851 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
6852 first loc_chain location if NULL before. Always use just
6853 cur_loc instead of first loc_chain location. When cur_loc_changed
6854 is false, when not --enable-checking=rtl just don't emit any note.
6855 When rtl checking, compute the note and assert it is the same
6856 as previous note. Clear cur_loc_changed and in_changed_variables
6857 at the end before removing from changed_variables.
6858 (check_changed_vars_3): New function.
6859 (emit_notes_for_changes): Traverse changed_vars to call
6860 check_changed_vars_3 on each changed var.
6861 (emit_notes_for_differences_1): Clear cur_loc_changed and
6862 in_changed_variables. Recompute cur_loc of new_var.
6863 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
6864 (vt_emit_notes): Initialize and destroy emitted_notes.
6866 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
6868 PR rtl-optimization/42220
6869 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
6870 Use verify_reg_tracked to determine if we should use OP_OUT rather
6872 (build_def_use): If we see an in-out operand for a register that we
6873 know nothing about, treat is an output if possible, fail the block if
6876 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6879 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
6882 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6885 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
6886 uses of relevant DEFs that are dead outside the loop too.
6888 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6890 * var-tracking.c (dataflow_set_merge): Swap src and src2.
6892 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6894 * var-tracking.c (values_to_unmark): New variable.
6895 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6896 values_to_unmark vector. Moved body to...
6897 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6898 instead queue it into values_to_unmark vector.
6899 (vt_find_locations): Free values_to_unmark vector.
6901 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
6903 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
6904 (site.exp): Export them when plugins are enabled.
6906 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
6909 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
6911 (chrec_fold_multiply): Same.
6913 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6916 * c-decl.c (build_compound_literal): Return early if init is
6919 2010-03-04 Martin Jambor <mjambor@suse.cz>
6921 PR tree-optimization/43164
6922 PR tree-optimization/43191
6923 * tree-sra.c (type_consists_of_records_p): Reject records with
6924 zero-size bit-fields at the end.
6926 2010-03-04 Mike Stump <mikestump@comcast.net>
6928 * Makefile.in (TAGS): Remove *.y.
6930 2010-03-04 Richard Guenther <rguenther@suse.de>
6932 PR tree-optimization/40761
6933 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
6935 (my_rev_post_order_compute): New function.
6936 (init_pre): Call it.
6938 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
6941 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
6942 decrease the cost of an IV candidate when the cost is infinite.
6944 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6946 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
6947 Use '3DNow!' for the extension of that name, ensure normal space
6949 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
6951 2010-03-03 Jeff Law <law@redhat.com>
6953 * PR middle-end/32693
6954 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
6955 than gen_rtx_SUBREG.
6956 (extract_bit_field_1): Likewise.
6958 2010-03-03 Janis Johnson <janis187@us.ibm.com>
6960 * doc/sourcebuild.texi (Test directives): Document that arguments
6961 include-opts and exclude-opts are now optional for dg-skip-if,
6962 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
6964 2010-03-03 Jason Merrill <jason@redhat.com>
6967 * cgraph.h (varpool_node): Add extra_name field.
6968 * varpool.c (varpool_extra_name_alias): New.
6969 (varpool_assemble_decl): Emit extra name aliases.
6970 (varpool_mark_needed_node): Look past an extra name alias.
6971 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6972 * lto-streamer-in.c (lto_input_tree): Read it.
6973 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6975 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6977 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6978 (sparc*-*-solaris2*): ...this.
6980 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6983 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6984 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6985 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6986 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6989 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6990 fallthrough to default handling, just with want_address 0 instead of 2.
6991 For single element lists, add_AT_loc directly, otherwise create an
6992 artificial variable DIE and stick location list to it.
6995 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6996 (VAL_EXPR_HAS_REVERSE): Define.
6997 (reverse_op): New function.
6998 (add_stores): For reversible operations add an extra MO_VAL_USE.
7000 2010-03-02 Jason Merrill <jason@redhat.com>
7002 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
7004 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
7006 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
7007 (sparc64-*-linux*): Likewise.
7008 (sparc64-*-solaris2*): Include assembler files before linker ones.
7009 (sparc-*-solaris2*): Simplify and reorder to match previous case.
7010 * config/sparc/gas.h: Delete.
7011 * config/sparc/sol2-64.h: Add copyright notice.
7012 * config/sparc/sol2-gas-bi.h: Likewise.
7013 * config/sparc/sol2-gld.h: Likewise.
7014 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
7015 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
7016 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
7017 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
7018 (sparc_elf_asm_named_section): Rename into...
7019 (sparc_solaris_elf_asm_named_section): ...this. Always define.
7021 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
7023 * config/alpha/alpha.c (override_options): Fix -mtune error message.
7025 2010-03-02 Jeff Law <law@redhat.com>
7028 * reload1.c (rtx_p, substitute_stack): Declare.
7029 (substitute): Record addresses of changed rtxs.
7030 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
7031 Restore the original rtx when complete.
7032 (reload): Free subsitute_stack when complete.
7034 2010-03-02 Janis Johnson <janis187@us.ibm.com>
7036 * doc/gccint.texi (menu): Add Testsuites as a chapter.
7037 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
7039 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
7040 LTO Testing, gcov Testing, profopt Testing, compat Testing,
7041 Torture Tests): Change from subsection to section.
7043 2010-03-02 Jakub Jelinek <jakub@redhat.com>
7044 Steven Bosscher <steven@gcc.gnu.org>
7046 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
7049 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
7052 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
7053 the assignment from the new induction variable to the assignment
7054 of the value from the original loop PHI function.
7056 2010-03-01 Janis Johnson <janis187@us.ibm.com>
7057 Daniel Jacobowitz <dan@codesourcery.com>
7059 * doc/sourcebuild.texi (Test directives): Clarify options to
7062 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7064 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
7065 Disable cfi directives unless GCC and gas agree on using read-only
7066 .eh_frame sections for 64-bit.
7067 * configure: Regenerate.
7069 2010-03-01 Richard Guenther <rguenther@suse.de>
7071 PR tree-optimization/43220
7072 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
7073 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
7075 2010-03-01 Richard Guenther <rguenther@suse.de>
7076 Martin Jambor <mjambor@suse.cz>
7079 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
7080 gimplified parameters.
7082 2010-03-01 Christian Bruel <christian.bruel@st.com>
7084 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
7086 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
7088 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
7090 2010-03-01 Richard Guenther <rguenther@suse.de>
7093 * expr.c (expand_assignment): Use the alias-oracle to tell
7094 if the rhs aliases the result decl.
7096 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7099 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
7100 to sol_gt_pch_get_address.
7101 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
7102 64-bit, SPARC and x86.
7103 (sol_gt_pch_get_address): New function.
7105 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
7107 * toplev.h (inform_n, error_n): Declare.
7108 * diagnostic.c (inform_n, error_n): New function.
7110 2010-03-01 Jakub Jelinek <jakub@redhat.com>
7112 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
7113 has no rtl yet when processing local_decls, queue it and recheck
7114 if deferred stack allocation hasn't assigned it rtl.
7116 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
7118 * config/sh/sh.c (unspec_bbr_uid): New.
7119 (gen_block_redirect): Use it instead of INSN_UID.
7120 (gen_far_branch): Likewise.
7122 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
7124 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
7125 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
7127 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7129 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
7130 (Warning Options): -Wno-conversion-null is valid for
7131 Objective-C++ as well.
7132 * doc/tm.texi (Named Address Spaces): Likewise.
7133 * doc/plugins.texi (Plugins): Replace TABs with spaces.
7134 * doc/tree-ssa.texi (Tree SSA): Likewise.
7136 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7139 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
7140 by default. Don't set the default arch for
7141 i[34567]86-*-darwin*|x86_64-*-darwin*.
7143 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7146 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
7147 default. Set the default 32bit/64bit archs with $with_arch
7148 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
7150 2010-02-27 Richard Guenther <rguenther@suse.de>
7152 PR tree-optimization/43186
7153 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
7154 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
7155 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
7156 unroller iterations.
7158 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7160 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
7161 required and i[34567]86-*-* targets don't support 64bit ISA.
7163 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
7166 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7169 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
7171 * config.gcc: Set the default arch at least to Prescott for
7172 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
7173 if SSE math is enabled.
7175 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7177 * diagnostic.c (diagnostic_initialize): Update.
7178 (diagnostic_report_diagnostic): Test inhibit_notes_p for
7180 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
7181 (diagnostic_inhibit_notes): New.
7182 * toplev.c (process_options): inhibit notes with -fcompare-debug.
7184 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7187 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
7188 * doc/standards.texi: Likewise.
7189 * doc/extend.texi: Likewise.
7190 * doc/trouble.texi: Likewise.
7191 * doc/cppopts.texi: Likewise.
7192 * doc/install.texi: Likewise.
7193 * c.opt (std=c90,std=gnu90): New options.
7194 * c-opts.c (c_common_handle_option): Handle them.
7196 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7199 * c-decl.c (undeclared_variable): Use an informative note.
7201 2010-02-26 Richard Guenther <rguenther@suse.de>
7203 PR tree-optimization/43186
7204 * gimple.h (gimple_fold): Remove.
7205 * gimple.c (gimple_fold): Remove. Inline into single user ...
7206 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
7207 Try harder for conditions.
7209 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7212 * function.c (used_types_insert): Don't skip through named pointer
7213 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
7214 and it is different from the main variant's type.
7216 2010-02-26 Nick Clifton <nickc@redhat.com>
7218 * config/rx/rx.md (sminsi3): Remove bogus alternative.
7220 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
7222 * config.gcc: Support --with-fpmath=sse for x86.
7224 * config/i386/ssemath.h: New.
7226 * doc/install.texi (--with-fpmath=sse): Documented.
7228 2010-02-26 Richard Guenther <rguenther@suse.de>
7230 PR tree-optimization/43188
7231 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7232 vector types of over-aligned element type.
7234 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
7237 * config/i386/i386.c (expand_vec_perm_blend): Use correct
7238 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
7240 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
7242 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7244 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7246 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7247 * var-tracking.c: Include diagnostic.h.
7248 (debug_dv): New function.
7249 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7252 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7253 (add_value_chain, add_value_chains, remove_value_chain,
7254 remove_value_chains): Handle DEBUG_EXPRs.
7255 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7258 * regcprop.c (struct queued_debug_insn_change): New type.
7259 (struct value_data_entry): Add debug_insn_changes field.
7260 (struct value_data): Add n_debug_insn_changes field.
7261 (debug_insn_changes_pool): New variable.
7262 (free_debug_insn_changes, apply_debug_insn_changes,
7263 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7264 (kill_value_one_regno): Call free_debug_insn_changes if needed.
7265 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7267 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7269 (copyprop_hardreg_forward_1): Don't call apply_change_group for
7270 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
7271 changes, call cprop_find_used_regs via note_stores.
7272 (copyprop_hardreg_forward): When copying vd from predecessor
7273 which has any queued DEBUG_INSN changes, make sure the pointers are
7274 cleared. At the end call df_analyze and then if there are any
7275 DEBUG_INSN changes queued at the end of some basic block for still
7276 live registers, apply them.
7277 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7279 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
7281 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7284 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
7286 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7287 targets. Set the default with_cpu/with_arch from arch/cpu.
7288 Allow x86-64 and native for with_cpu/with_arch.
7290 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
7292 * ebitmap.c: Change calls to verify_popcount with calls to
7293 sbitmap_verify_popcount.
7294 (ebitmap_clear_bit): Fixed map->cacheindex test and
7295 map>cache update when bit clearing results in an empty
7298 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
7301 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7302 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7303 and support both V2DF and V2DI modes.
7304 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7305 support both V2DF and V2DI modes.
7306 (general): Delete trailing whitespace from a few patterns.
7308 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7309 V2DF/V2DI interleave high/low builtins.
7311 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7314 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7315 interleave high/low functions.
7317 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
7319 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7320 #pragma extern_prefix.
7322 2010-02-25 Jakub Jelinek <jakub@redhat.com>
7325 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7326 BLKmode, assert op0 is a MEM and just adjust its mode.
7329 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7330 if bitpos isn't multiple of mode's bitsize.
7332 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7334 * c.opt (-ftemplate-depth=): New.
7335 (-ftemplate-depth-): Deprecate.
7336 * optc-gen.awk: Handle -ftemplate-depth=.
7337 * opth-gen.awk: Likewise.
7338 * c-opts.c (c_common_handle_option): Likewise.
7339 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7341 2010-02-24 Jason Merrill <jason@redhat.com>
7343 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7345 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7347 * cfg.c (alloc_aux_for_block): Remove inline.
7348 (alloc_aux_for_edge): Likewise.
7350 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7352 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7354 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7356 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7357 * config/i386/sol2-gas.h: New file.
7358 * config.gcc (i[34567]86-*-solaris2*): Use it.
7360 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7363 * c-typeck.c (ep_convert_and_check): New.
7364 (build_conditional_expr): Use it.
7365 (build_binary_op): Likewise.
7367 2010-02-24 Jakub Jelinek <jakub@redhat.com>
7369 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7372 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7373 bounds even for -O+.
7374 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7375 expr needs to have DECL_NAME set.
7377 2010-02-24 Nick Clifton <nickc@redhat.com>
7379 * config/mep/mep.c: Include gimple.h.
7380 (mep_function_uses_sp): Delete unused function.
7381 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7382 parameters. Use unsigned integers to count args. Return a
7383 NULL_RTX instead of an error_mark_node. Toidy up formatting.
7385 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7388 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7389 greater or equal to nelt instead of 2 * nelt.
7390 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7393 2010-02-23 Jason Merrill <jason@redhat.com>
7396 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7397 in cfun->local_decls even if they have register types.
7400 * stor-layout.c (place_field): Don't warn about unnecessary
7401 DECL_PACKED if the type is packed.
7403 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7406 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7407 GOTOFF relocs, even when the base reg isn't pic pointer.
7409 2010-02-23 Michael Matz <matz@suse.de>
7412 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7413 (expand_gimple_basic_block): Generate and use debug temps if there
7414 are debug uses left after the last real use of TERed ssa names.
7415 Unlink debug immediate uses when they are expanded.
7417 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
7420 * config/i386/i386.c (override_options): Reorganise to provide
7421 better error messages.
7423 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7426 * graphite-scop-detection.c (create_single_exit_edge): Move
7427 the call to find_single_exit_edge to....
7428 (create_sese_edges): ...here. Don't handle multiple edges
7429 exiting the function.
7430 (build_graphite_scops): Don't handle multiple edges
7431 exiting the function.
7433 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7436 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7437 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7439 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7442 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7444 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
7447 * c-typeck.c (convert_arguments): Print declaration location.
7448 * c-common.c (validate_nargs): Rename as
7449 builtin_function_validate_nargs.
7450 (check_builtin_function_arguments): Update.
7452 2010-02-22 Richard Guenther <rguenther@suse.de>
7455 * tree-inline.c (declare_return_variable): Use the type of
7456 the call stmt lhs if available.
7458 2010-02-22 Duncan Sands <baldrick@free.fr>
7460 * passes.c (register_pass): Always consider all pass lists when
7461 ref_pass_instance_number is zero.
7463 2010-02-22 Richard Guenther <rguenther@suse.de>
7465 PR tree-optimization/42749
7466 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7467 parameter. Do arithmetic in the original type.
7468 (update_accumulator_with_ops): Likewise.
7469 (adjust_accumulator_values): Adjust.
7471 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7473 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7474 (QI to BLKmode splitter): New splitter.
7476 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
7478 * config/i386/i386.c (initial_ix86_tune_features): Turn on
7479 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7481 2010-02-22 Richard Guenther <rguenther@suse.de>
7483 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7485 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7487 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7488 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7489 ($(T)crti.o, $(T)crtn.o): Remove rules.
7491 2010-02-21 Tobias Burnus <burnus@net-b.de>
7494 * doc/invoke.texi (-fassociative-math): Document that this
7495 option is automatically enabled for Fortran.
7497 2010-02-20 David S. Miller <davem@davemloft.net>
7499 * configure.ac: Test if linker and assembler properly support
7500 GOTDATA_OP relocations.
7501 * configure: Rebuild.
7502 * config.in: Likewise.
7503 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7504 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7505 (movsi_high_pic): Likewise.
7506 (movdi_lo_sum_pic): Likewise.
7507 (movdi_high_pic): Likewise.
7508 (movsi_pic_gotdata_op): New pattern.
7509 (movdi_pic_gotdata_op): Likewise.
7510 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7511 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7513 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7516 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7517 attribute to ssemul.
7518 (xop_mulv2div2di3_high): Ditto.
7520 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7523 * c.opt (Wconversion-null): New option.
7524 * doc/invoke.texi (Wconversion-null): Document.
7526 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7528 * common.opt (Wlarger-than-): Add Undocumented.
7530 2010-02-19 Mike Stump <mikestump@comcast.net>
7532 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7534 2010-02-19 Jason Merrill <jason@redhat.com>
7537 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7538 * configure: Likewise.
7540 2010-02-20 Alan Modra <amodra@gmail.com>
7543 * cgraph.h (cgraph_make_decl_local): Declare.
7544 * cgraph.c (cgraph_make_decl_local): New function.
7545 (cgraph_make_node_local): Use it.
7546 * cgraphunit.c (cgraph_function_versioning): Likewise.
7547 * ipa.c (function_and_variable_visibility): Likewise.
7549 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7552 * except.c (sjlj_emit_function_enter): Don't call
7553 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7555 * rtl.h (add_reg_br_prob_note): Remove prototype.
7557 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7560 * c-common.c (conversion_warning): Remove widening conversions
7561 before checking the conversion of integers to reals.
7563 2010-02-19 Mike Stump <mikestump@comcast.net>
7566 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7569 * cgraphunit.c (process_function_and_variable_attributes): Check
7570 DECL_PRESERVE_P instead of looking up attribute "used".
7571 * ipa-pure-const.c (check_decl): Likewise.
7572 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7573 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7574 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7575 instead of attribute "used".
7576 * config/sol2-c.c (solaris_pragma_init): Likewise.
7577 (solaris_pragma_fini): Likewise.
7579 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7581 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7582 Use XCNEW instead of xcalloc.
7583 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7584 XNEW instead of xmalloc.
7585 (get_fields): Use XNEWVEC instead of xmalloc.
7588 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7589 populate vars array.
7590 (create_new_general_access): For debug stmts just reset value.
7591 (get_stmt_accesses): For accesses within debug stmts just record them
7592 using add_access_to_acc_sites instead of preventing the peeling or
7593 counting them as accesses.
7596 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7598 2010-02-19 Richard Guenther <rguenther@suse.de>
7600 PR tree-optimization/42916
7601 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7604 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7606 * configure.ac: Replace all uses of changequote in macro arguments
7607 with proper quoting.
7609 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7612 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7614 2010-02-19 Richard Guenther <rguenther@suse.de>
7616 PR tree-optimization/42944
7617 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7618 test for aliasing with errno.
7620 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7623 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7624 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7625 * dojump.c: Include output.h.
7626 (inv): New inline function.
7627 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7628 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7629 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7630 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7631 argument, pass it down to other calls.
7632 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7633 add REG_BR_PROB note to the conditional jump.
7634 * cfgexpand.c (add_reg_br_prob_note): Removed.
7635 (expand_gimple_cond): Don't call it, add the probability
7636 as last argument to jumpif_1/jumpifnot_1.
7637 * Makefile.in (dojump.o): Depend on output.h.
7638 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7640 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7641 * stmt.c (do_jump_if_equal): Likewise.
7642 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7643 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7644 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7646 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7647 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7648 jumpifnot_1 callers.
7649 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7651 (store_expr): Adjust jumpifnot caller.
7652 (store_constructor): Adjust jumpif caller.
7655 * gimplify.c (gimple_boolify): For __builtin_expect call
7656 gimple_boolify also on its first argument.
7658 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
7660 * configure.ac (gnu-unique-object): Wrap regexps using [] in
7662 (__stack_chk_fail): Ditto. Remove quadrigraphs.
7663 * configure: Regenerated.
7665 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7667 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7668 lang_hooks.types_compatible_p instead of comptypes.
7670 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
7672 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7673 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7674 if __prefer_thumb__ is defined.
7676 2010-02-18 Martin Jambor <mjambor@suse.cz>
7678 PR tree-optimization/43066
7679 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7680 array with zero-sized element type.
7682 2010-02-18 Jakub Jelinek <jakub@redhat.com>
7684 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7685 rtx, allocate struct var_loc_node here and return it to the
7686 caller, and only if it is actually needed.
7687 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7688 move it earlier and return immediately if it returns NULL.
7690 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
7692 * config/sparc/gas.h: New file. Restore
7693 TARGET_ASM_NAMED_SECTION to its ELF default.
7694 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7696 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7697 Likewise. Add ATTRIBUTE_UNUSED to prototype.
7698 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7699 after sparc/sysv4.h.
7701 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
7703 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7705 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
7707 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7708 patterns from predicated pattern.
7710 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
7713 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7714 for insn mnemonic suffix.
7716 2010-02-17 Richard Guenther <rguenther@suse.de>
7718 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7721 2010-02-17 Jakub Jelinek <jakub@redhat.com>
7724 * caller-save.c (save_call_clobbered_regs): If BB ends with
7725 a DEBUG_INSN, move any notes in between last real insn and the last
7726 DEBUG_INSN after the last DEBUG_INSN.
7728 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
7730 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7731 Fix return type. Fix argument type. Explain meaning of return value.
7733 2010-02-16 Richard Guenther <rguenther@suse.de>
7735 PR tree-optimization/41043
7736 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
7737 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7739 (vrp_visit_phi_node): ... but only for loop PHI nodes.
7741 2010-02-16 Ira Rosen <irar@il.ibm.com>
7743 PR tree-optimization/43074
7744 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7745 * tree-vect-loop.c (vect_analyze_loop_operations): Add
7746 vectorizable cycles in hybrid SLP check.
7747 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7749 2010-02-16 Richard Guenther <rguenther@suse.de>
7751 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7752 (true_dependence): If memrefs_conflict_p computes must-alias
7753 trust it. Move TBAA check after offset-based disambiguation.
7754 (canon_true_dependence): Likewise.
7756 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
7758 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7759 * doc/invoke.texi: Document it.
7760 * var-tracking.c: Include toplev.h and params.h.
7761 (vt_find_locations): Return bool indicating success. Compute
7762 hash sizes unconditionally. Check new parameter, report.
7763 (variable_tracking_main_1): Check vt_find_locations results and
7764 retry. Renamed from...
7765 (variable_tracking_main): ... this. New wrapper to preserve
7766 flag_var_tracking_assignments.
7767 * Makefile.in (var-tracking.o): Adjust dependencies.
7769 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
7770 Jakub Jelinek <jakub@redhat.com>
7773 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
7774 if weak_import attribute is present.
7775 * config/darwin.c (machopic_select_section): Likewise.
7777 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
7779 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
7780 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
7781 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
7782 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
7784 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
7787 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7790 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7791 Rewrite text to refer to the names.
7793 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
7795 * config/i386/i386-builtin-types.def
7796 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
7797 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
7798 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
7799 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
7800 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
7801 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
7802 IX86_BUILTIN_VPERMIL2PS256.
7803 (MULTI_ARG_4_DF2_DI_I): Defined.
7804 (MULTI_ARG_4_DF2_DI_I1): Defined.
7805 (MULTI_ARG_4_SF2_SI_I): Defined.
7806 (MULTI_ARG_4_SF2_SI_I1): Defined.
7807 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
7808 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
7809 __builtin_ia32_vpermil2ps256.
7810 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7811 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7812 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
7813 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7814 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7815 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
7816 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
7817 CODE_FOR_xop_vpermil2v8sf3.
7818 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
7819 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
7820 * config/i386/xopintrin.h (_mm_permute2_pd): New.
7821 (_mm256_permute2_pd): New.
7822 (_mm_permute2_ps): New.
7823 (_mm256_permute2_ps): New.
7825 2010-02-15 Nick Clifton <nickc@redhat.com>
7827 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
7828 boolean parameters. Use emit_jump_insn when emitting a pop
7829 instruction containing a return insn.
7830 (push): Use 'true' rather than '1' as second parameter to F.
7831 (h8300_expand_prologue): Likewise.
7832 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
7833 (h8300_expand_epilogue): Likewise.
7835 2010-02-15 Richard Guenther <rguenther@suse.de>
7838 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
7841 2010-02-15 Nick Clifton <nickc@redhat.com>
7843 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
7846 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
7848 * intl.c (fake_ngettext): New function.
7849 * intl.h (fake_ngettext): Declare.
7850 (ngettext): Define macro.
7851 * collect2.c (notice_translated): New function.
7852 (main): Use notice_translated and ngettext.
7853 * collect2.h (notice_translated): Declare.
7855 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
7857 * reorg.c (delete_computation): Comment fixes.
7858 * caller-save.c (setup_save_areas): Idem.
7859 * sel-sched-dump.c (dump_lv_set): Idem.
7862 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7864 * config/s390/s390.c (s390_sched_init): New function.
7865 (TARGET_SCHED_INIT): Target hook defined.
7867 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
7868 Jack Howarth <howarth@bromo.med.uc.edu>
7869 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7872 Partial revert of unintended change in fix for PR41605.
7873 * config/darwin.h: Fix typo.
7874 * config/darwin9.h: Same.
7876 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7878 * c-pch.c (pch_init): Clear v.
7880 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7883 * graphite-scop-detection.c (graphite_can_represent_scev): Call
7884 graphite_can_represent_init for MULT_EXPR.
7886 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7890 * graphite-sese-to-poly.c (remove_phi): New.
7891 (translate_scalar_reduction_to_array): Call remove_phi.
7893 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7896 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
7897 * graphite-clast-to-gimple.h (gloog): Update declaration.
7898 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
7899 * graphite-poly.h (struct poly_bb): Add missing comments.
7900 (struct scop): Add poly_scop_p field.
7902 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
7903 * graphite.c (graphite_transform_loops): Build the polyhedral
7904 representation for each scop before code generation.
7905 * sese.c (rename_variables_in_operand): Removed.
7906 (rename_variables_in_expr): Return the renamed expression.
7907 (rename_sese_parameters): New.
7908 * sese.h (rename_sese_parameters): Declared.
7910 2010-02-11 Richard Guenther <rguenther@suse.de>
7912 PR tree-optimization/42998
7913 * tree-ssa-pre.c (create_expression_by_pieces): Treat
7914 POINTER_PLUS_EXPR properly.
7916 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7917 Changpeng Fang <changpeng.fang@amd.com>
7920 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
7921 the cost of an IV candidate when the IV is used in a test against zero.
7923 * gcc.dg/tree-ssa/ivopts-3.c: New.
7925 2010-02-11 Richard Guenther <rguenther@suse.de>
7928 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
7929 pointer-vs-decl case by swapping refs. Handle some cases
7930 of pointer-vs-decl disambiguations more conservatively.
7931 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
7932 to false after expanding.
7934 2010-02-11 Richard Guenther <rguenther@suse.de>
7937 * gcc.c (process_command): Handle LTO file@offset case more
7940 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7942 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
7943 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
7945 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
7947 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
7948 if MEM's mode size isn't DWARF2_ADDR_SIZE.
7949 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
7950 Optimize eq/ne comparisons when both arguments are known to be
7952 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
7953 Don't mask operands unnecessarily if they are known to be already
7956 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
7958 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
7961 2010-02-10 Richard Guenther <rguenther@suse.de>
7963 PR tree-optimization/43017
7964 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
7965 for wrapping signed arithmetic.
7967 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7970 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
7971 if no debug info should be emitted for it.
7973 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7975 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7976 note when flag_exceptions is set.
7978 2010-02-10 Duncan Sands <baldrick@free.fr>
7980 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7982 2010-02-10 Richard Guenther <rguenther@suse.de>
7985 * tree.c (get_unwidened): Handle constants.
7986 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7988 2010-02-10 Martin Jambor <mjambor@suse.cz>
7991 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7992 check for variable argument counts independently.
7994 2010-02-10 Christian Bruel <christian.bruel@st.com>
7997 * config/sh/sh.c (find_barrier): Increase length for non delayed
7998 conditional branches.
8000 2010-02-10 Christian Bruel <christian.bruel@st.com>
8002 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
8004 2010-02-10 Jakub Jelinek <jakub@redhat.com>
8006 * builtins.c (set_builtin_user_assembler_name): Also handle
8007 ffs if int is smaller than word.
8009 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
8012 * ira-conflicts.c (get_dup): Remove.
8013 (process_reg_shuffles): Add new parameter. Use it as an
8014 additional guard for copy generation.
8015 (add_insn_allocno_copies): Rewrite.
8017 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
8019 * common.opt (fsched2-use-traces): Preserved for backward
8021 * doc/invoke.texi: Remove the documentation about option
8022 -fsched2-use-traces.
8023 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
8024 flag_sched2_use_traces.
8025 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
8026 the backward compatibility flag section.
8028 2010-02-09 Richard Guenther <rguenther@suse.de>
8030 PR tree-optimization/43008
8031 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
8032 make HEAP variables initialized from global memory if they
8033 are not known builtin functions.
8034 (find_func_aliases): Adjust.
8036 2010-02-09 Richard Guenther <rguenther@suse.de>
8038 PR tree-optimization/43000
8039 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
8040 arithmetic manually.
8042 2010-02-08 Jakub Jelinek <jakub@redhat.com>
8044 PR tree-optimization/42931
8045 * tree-loop-linear.c (try_interchange_loops): Don't call
8046 double_int_mul if estimated_loop_iterations failed.
8048 2010-02-08 Martin Jambor <mjambor@suse.cz>
8051 * tree-sra.c (build_accesses_from_assign): Do not mark in
8052 should_scalarize_away_bitmap if stmt has volatile ops.
8053 (sra_modify_assign): Do not process assigns piecemeal if if stmt
8056 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
8058 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
8060 2010-02-07 Adam Nemet <adambnmet@gmail.com>
8062 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
8065 2010-02-07 Andrew Pinski <pinskia@gmail.com>
8068 * df-core.c (df_finish_pass): Change type of saved_flags to int.
8070 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
8073 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
8074 to unknown_dependence.
8075 (graphite_legal_transform_dr): Handle the unknown_dependence.
8076 (graphite_carried_dependence_level_k): Same.
8078 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
8080 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
8082 2010-02-07 Richard Guenther <rguenther@suse.de>
8085 * expr.c (get_inner_reference): Always initialize *pbitsize.
8087 2010-02-07 Richard Guenther <rguenther@suse.de>
8090 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
8091 new ARRAY_REFs on variable size element or minimal index arrays.
8093 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
8094 gimple_fold_indirect_ref.
8096 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
8099 * arm.c (arm_override_options): Just return if the user has specified
8100 an invalid fpu name.
8102 2010-02-03 Jason Merrill <jason@redhat.com>
8105 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
8106 i386_pe_maybe_record_exported_symbol.
8108 2010-02-05 Steve Ellcey <sje@cup.hp.com>
8111 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8112 (pa_delegitimize_address): New function.
8114 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
8116 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
8117 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
8119 2010-02-05 Richard Guenther <rguenther@suse.de>
8122 * lto-streamer-in.c (get_resolution): Deal with references
8123 to undefined functions.
8125 2010-02-05 Richard Guenther <rguenther@suse.de>
8127 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
8128 (fold_const_aggregate_ref): Likewise.
8129 (ccp_fold_stmt): Substitute loads.
8130 (maybe_fold_reference): Verify types before substituting.
8132 (fold_gimple_assign): Unshare properly.
8133 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
8135 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
8137 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
8138 for rs6000_gen_cell_microcode.
8140 2010-02-04 Richard Guenther <rguenther@suse.de>
8142 PR rtl-optimization/42952
8143 * dse.c (const_or_frame_p): Remove MEM handling.
8145 2010-02-04 Nick Clifton <nickc@redhat.com>
8147 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
8148 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
8149 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
8150 (mn10300_asm_output_mi_thunk): New function.
8151 (mn10300_can_output_mu_thunk): New function.
8152 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
8153 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
8154 (FUNCTION_ARG): Delete incorrect comment.
8156 2010-02-03 Jason Merrill <jason@redhat.com>
8159 * fold-const.c (operand_equal_p): Handle erroneous types.
8161 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
8163 * config/h8300/h8300.md (can_delay): Fix attibute condition.
8165 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
8167 PR rtl-optimization/42941
8168 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
8171 2010-02-03 Jason Merrill <jason@redhat.com>
8174 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
8176 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
8179 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
8180 (cselib_reset_table): Renamed from...
8181 (cselib_reset_table_with_next_value): ... this.
8182 (cselib_get_next_uid): Renamed from...
8183 (cselib_get_next_unknown_value): ... this.
8184 * cselib.c (next_uid): Renamed from...
8185 (next_unknown_value): ... this.
8186 (cselib_clear_table): Adjust.
8187 (cselib_reset_table): Adjust. Renamed from...
8188 (cselib_reset_table_with_next_value): ... this.
8189 (cselib_get_next_uid): Adjust. Renamed from...
8190 (cselib_get_next_unknown_value): ... this.
8191 (get_value_hash): Use hash.
8192 (cselib_hash_rtx): Likewise.
8193 (new_cselib_val): Adjust. Set and dump uid.
8194 (cselib_lookup_mem): Pass next_uid as hash.
8195 (cselib_subst_to_values): Likewise.
8196 (cselib_log_lookup): Dump uid.
8197 (cselib_lookup): Pass next_uid as hash. Adjust.
8198 (cselib_process_insn): Adjust.
8199 (cselib_init): Initialize next_uid.
8200 (cselib_finish): Adjust.
8201 (dump_cselib_table): Likewise.
8202 * dse.c (canon_address): Dump value uid.
8203 * print-rtl.c (print_rtx): Print value uid.
8204 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
8206 (dv_uid): New function, sort of renamed from...
8207 (dv_htab_hash): ... this, reimplemented in terms of it and...
8208 (dv_uid2hash): ... this. New.
8209 (variable_htab_eq): Drop excess assertions.
8210 (tie_break_pointers): Removed.
8211 (canon_value_cmp): Compare uids.
8212 (variable_post_merge_New_vals): Print uids.
8213 (vt_add_function_parameters): Adjust.
8214 (vt_initialize): Reset table. Adjust.
8216 2010-02-03 Richard Guenther <rguenther@suse.de>
8218 PR tree-optimization/42944
8219 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
8220 (call_may_clobber_ref_p_1): Likewise. Properly handle
8221 malloc and calloc clobbering errno.
8223 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
8225 * doc/invoke.texi: Fix name of sched1 dump.
8227 * opts.c (decode_options): Set flag_tree_switch_conversion
8228 only conditionally on optimize >= 2.
8230 * gcse.c: Assorted comment fixes in pass description.
8232 2010-02-03 Anthony Green <green@moxielogic.com>
8234 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8235 nop padding in order to maintain alignment of storage location of
8236 target function address.
8237 (moxie_trampoline_init): Store target function address at newly
8239 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8241 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8243 2010-02-03 Richard Guenther <rguenther@suse.de>
8246 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8248 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8250 * config.gcc: Reenable check for obsolete targets.
8251 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8252 mips-sgi-irix6.[0-4]*.
8254 2010-02-02 Nick Clifton <nickc@redhat.com>
8256 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8257 constant size of 4 as being the same as 0.
8258 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8259 can take values in the range 0..4.
8261 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
8264 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8265 as _darwin10_Unwind_FindEnclosingFunction().
8266 * libgcc-libsystem.ver: New.
8268 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
8271 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8272 implicitly set registers.
8274 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
8276 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8277 (arm_override_options): Allow automatic selection of the thread
8278 pointer register if thumb2.
8279 (legitimize_pic_address): Improve code sequences for Thumb2.
8280 (arm_call_tls_get_addr): Likewise.
8281 (legitimize_tls_address): Likewise.
8282 * arm.md (pic_load_addr_arm): Delete. Replace with ...
8283 (pic_load_addr_32bit): ... this. New named pattern.
8284 * thumb2.md (pic_load_addr_thumb2): Delete.
8285 (pic_load_dot_plus_four): Delete.
8286 (tls_load_dot_plus_four): New named pattern.
8288 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8291 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8292 Document fix for TLS bug.
8294 2010-01-31 Richard Guenther <rguenther@suse.de>
8296 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8297 conservatively correct.
8299 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8303 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8305 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8307 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8309 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8311 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
8313 * config.gcc: Adjust order of makefile fragments for mingw targets.
8315 2010-01-31 Richard Guenther <rguenther@suse.de>
8318 * gimplify.c (gimplify_init_constructor): For volatile LHS
8319 initialize a temporary.
8321 2010-01-31 Matthias Klose <doko@ubuntu.com>
8323 * configure.ac: Fix __stack_chk_fail check for cross builds configured
8325 * configure: Regenerate.
8327 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
8329 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8330 the same alias set and their sizes different constantness.
8331 (aliasing_component_refs_p): Revert 2009-10-24 change.
8333 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8335 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8338 2010-01-29 Richard Guenther <rguenther@suse.de>
8340 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8341 Assert we successfully updated the call.
8343 2010-01-29 Jakub Jelinek <jakub@redhat.com>
8345 PR rtl-optimization/42889
8346 * df.h (df_set_bb_dirty_nonlr): New prototype.
8347 * df-core.c (df_set_bb_dirty_nonlr): New function.
8348 * df-scan.c (df_insn_rescan): Call it instead of
8349 df_set_bb_dirty for DEBUG_INSNs.
8351 2010-01-29 Richard Guenther <rguenther@suse.de>
8354 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8355 quadratic behavior in most cases.
8357 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
8360 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8361 in the call to gen_x86_movsicc_0_m1.
8363 2010-01-28 Richard Guenther <rguenther@suse.de>
8365 PR tree-optimization/42871
8366 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8368 2010-01-28 Richard Guenther <rguenther@suse.de>
8370 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8371 into call arguments.
8373 2010-01-28 Richard Guenther <rguenther@suse.de>
8376 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8377 the forwarder if the destination is an EH landing pad.
8379 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
8381 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8382 block list passed to gimple_duplicate_sese_tail.
8383 (parallelize_loops): Avoid parallelization when the function
8385 Avoid parallelization when the preheader is IRREDUCIBLE.
8386 Try to optimize when estimated_loop_iterations_int is unresolved.
8387 Add the loop's location to the dump file.
8388 * tree-cfg.c (add_phi_args_after_redirect): Remove.
8389 (gimple_duplicate_sese_tail): Remove the check for the latch.
8390 Redirect nexits to the exit block.
8391 Remove handling of the incoming edges to the latch.
8392 Redirect the backedge from the copied latch to the exit bb.
8394 2010-01-28 Michael Matz <matz@suse.de>
8397 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8398 Wrap force_reg into a sequence, emit it before user.
8400 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
8402 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8404 (arm_legacy_rev): Likewise.
8405 (thumb_legacy_rev): Likewise.
8407 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8409 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8410 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
8411 on MEM's address failed, try avoid_constant_pool_reference and
8412 recurse if it returned something different.
8413 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8414 address, try avoid_constant_pool_reference and recurse if it
8415 returned something different.
8416 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8417 address and avoid_constant_pool_reference returned something
8418 different, don't set have_address.
8420 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
8423 * var-tracking.c (val_store): Add modified argument, obey it.
8425 (count_uses): Move down logging of main.
8426 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8427 don't need resolution.
8428 (emit_notes_in_bb): Likewise.
8430 2010-01-27 Richard Guenther <rguenther@suse.de>
8433 * tree-inline.c (remap_decl): Delay remapping of SSA name
8434 default definitions until we need them.
8436 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8438 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8439 (rs6000_delegitimize_address): New function.
8441 * config/s390/s390.c (s390_delegitimize_address): Call
8442 delegitimize_mem_from_attrs.
8445 * tree-inline.c (cannot_copy_type_1): Removed.
8446 (copy_forbidden): Don't forbid copying of functions containing
8447 records/unions with variable length fields.
8449 2010-01-27 Christian Bruel <christian.bruel@st.com>
8453 * config/sh/sh.c (find_barrier): Increase length for non delayed
8454 conditional branches.
8456 2010-01-27 Matthias Klose <doko@ubuntu.com>
8458 * configure.ac (gnu-unique-object): Fix ldd version check.
8459 * configure: Regenerate.
8461 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8463 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8465 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8466 Test for HAVE_GNU_AS value.
8468 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8470 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8471 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8472 INT64_TYPE): Define.
8473 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8474 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8475 INT_LEAST64_TYPE): Define.
8476 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8477 UINT_LEAST64_TYPE): Define.
8478 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8479 INT_FAST64_TYPE): Define.
8480 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8481 UINT_FAST64_TYPE): Define.
8482 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8483 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8484 (SIG_ATOMIC_TYPE): Define.
8486 2010-01-26 Richard Guenther <rguenther@suse.de>
8488 * df-scan.c (df_scan_set_bb_info): Remove assert.
8489 (df_insn_rescan_debug_internal): Merge asserts.
8490 (df_install_ref): Likewise.
8491 (df_mark_reg): Use bitmap_set_range.
8492 (df_hard_reg_used_p): Remove assert.
8493 (df_hard_reg_used_count): Likewise.
8495 2010-01-26 Richard Guenther <rguenther@suse.de>
8497 PR rtl-optimization/42685
8498 * web.c (web_main): Ignore DEBUG_INSNs.
8500 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8502 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8504 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8505 Fix types of fndecl and arglist parameters.
8507 2010-01-26 Richard Guenther <rguenther@suse.de>
8510 * tree-eh.c (unsplit_eh): Skip debug insns.
8512 2010-01-26 Richard Guenther <rguenther@suse.de>
8514 PR tree-optimization/42250
8515 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8517 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8520 * omp-low.c (expand_omp_sections): Only use single_pred if
8521 l2_bb is single_pred_p.
8523 2010-01-25 Christian Bruel <christian.bruel@st.com>
8526 * config/sh/sh.c (find_barrier): Increase length for non delayed
8527 conditional branches.
8528 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8530 2010-01-24 David S. Miller <davem@davemloft.net>
8532 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8533 define if not using GAS.
8534 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8535 Likewise. Delete SECTION_MERGE code, which is only applicable
8538 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8541 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8542 mangling of va_list in system headers.
8544 2010-01-23 Toon Moene <toon@moene.org>
8546 * tree-predcom.c (combine_chains): Return NULL, not false.
8548 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8550 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8551 initialization of variable res to agree with return type.
8553 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8555 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8556 * tree-sra.c: Add include of expr.h.
8558 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8560 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8561 insert the debug stmt on the single non-EH edge from the stmt.
8563 2010-01-22 Richard Henderson <rth@redhat.com>
8566 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8567 the RHS until after generate_subtree_copies has insertted its
8568 code before the current statement.
8570 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8572 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8574 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8576 2010-01-21 Martin Jambor <mjambor@suse.cz>
8578 PR tree-optimization/42585
8579 * tree-sra.c (struct access): New field grp_total_scalarization.
8580 (dump_access): Dump the new field.
8581 (should_scalarize_away_bitmap): New variable.
8582 (cannot_scalarize_away_bitmap): Likewise.
8583 (sra_initialize): Allocate new bitmaps.
8584 (sra_deinitialize): Free new bitmaps.
8585 (create_access_1): New function.
8586 (create_access): Parts moved to create_access_1.
8587 (type_consists_of_records_p): New function.
8588 (completely_scalarize_record): Likewise.
8589 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8590 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8591 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8593 (analyze_all_variable_accesses): Completely scalarize small eligible
8596 2010-01-21 Martin Jambor <mjambor@suse.cz>
8598 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8600 2010-01-21 Andrew Haley <aph@redhat.com>
8602 * gcc.c (process_command): Move lang_specific_driver before
8603 setting cc_libexec_prefix.
8605 2010-01-21 Richard Guenther <rguenther@suse.de>
8608 * fold-const.c (negate_expr_p): Pretend only negative
8609 real constants are easily negatable.
8611 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8612 Jason Merrill <jason@redhat.com>
8614 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8615 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8616 * calls.c (initialize argument_information): Handle it.
8617 * c-common.c (handle_transparent_union_attribute): Use new name.
8618 * c-decl.c (finish_struct): Ditto.
8619 * c-typeck.c (type_lists_compatible_p): Ditto.
8620 (convert_for_assignment): Use new name and also handle record.
8621 * function.c (aggregate_value_p): Handle it.
8622 (pass_by_reference): Ditto.
8623 (assign_parm_data_types): Ditto.
8624 * print-tree.c (print_node): Ditto.
8625 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8626 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8627 * tree.c (first_field): New fn.
8629 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8632 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8633 even when linking statically, for now.
8635 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8638 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8639 without a cselib val.
8640 (count_uses): Accept MO_VAL_SET with no val on stores.
8641 (add_stores): Likewise.
8643 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8645 * var-tracking.c (check_value_val): Add a compile time assertion.
8646 (dv_is_decl_p): Simplify.
8647 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8648 gcc_assert if ENABLE_CHECKING.
8650 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8653 * var-tracking.c: Include tree-flow.h.
8654 (mem_dies_at_call): New.
8655 (dataflow_set_preserve_mem_locs): Use it.
8656 (dataflow_set_remove_mem_locs): Likewise.
8657 (dump_var): Renamed from dump_variable. Adjust all callers.
8658 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8659 * Makefile.in (var-tracking.o): Adjust deps.
8661 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
8663 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8665 2010-01-20 Richard Guenther <rguenther@suse.de>
8667 PR tree-optimization/42717
8668 * tree-ssa-dce.c (get_live_post_dom): Remove.
8669 (forward_edge_to_pdom): Take an arbitrary edge to copy
8670 degenerate PHI args from.
8671 (remove_dead_stmt): Use the first post-dominator even if it
8672 does not contain live statements as redirection destination.
8674 2010-01-20 Richard Guenther <rguenther@suse.de>
8676 * tree-inline.c (estimate_num_insns): Handle EH builtins.
8678 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8680 * sel-sched.c (create_speculation_check): Remove set but not used
8682 (try_transformation_cache): Remove set but not used variable ds.
8683 (calculate_privileged_insns): Remove set but not used variables
8684 cur_insn and min_spec_insn.
8685 (find_best_expr): Remove set but not used variable avail_n.
8686 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8688 * cgraphunit.c (assemble_thunk): Remove set but not used variable
8690 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8691 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8694 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
8697 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8698 cpu types. Add support for *-sse3 cpu types.
8699 (x86_64-*-*): Ditto.
8701 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8704 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8705 argument, call initializer_constant_valid_p_1 instead of
8706 initializer_constant_valid_p, pass CACHE to it, return NULL
8707 immediately if first call returns NULL.
8708 (initializer_constant_valid_p_1): New function.
8709 (initializer_constant_valid_p): Use it.
8711 2010-01-20 Thomas Quinot <quinot@adacore.com>
8713 * tree.def (PLACEHOLDER_EXPR): Fix comment.
8715 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8717 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8718 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8719 (loc_list_from_tree): Don't handle unsigned division. Handle
8720 signed modulo using DW_OP_{over,over,div,mul,minus}.
8721 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8722 modulo instead of signed.
8724 2010-01-20 DJ Delorie <dj@redhat.com>
8726 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8728 (h8300_emit_stack_adjustment): Propogate it.
8730 (h8300_expand_prologue): Likewise.
8731 (h8300_expand_epilogue): Likewise.
8733 2010-01-19 Michael Matz <matz@suse.de>
8735 PR tree-optimization/41783
8736 * tree-data-ref.c (toplevel): Include flags.h.
8737 (dump_data_dependence_relation): Also dump the inputs if the
8738 result will be unknown.
8739 (split_constant_offset_1): Look through some conversions.
8740 * tree-predcom.c (determine_roots_comp): Restart a new chain if
8741 the offset from last element is too large.
8742 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8743 (reassociate_to_the_same_stmt): Handle vector registers.
8744 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8746 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8747 wide_prolog_niters argument, emit widening instructions.
8748 (vect_do_peeling_for_alignment): Adjust caller, use widened
8749 variant of the iteration cound.
8750 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8752 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8755 * config/arm/neon-testgen.m (emit_automatics): New parameter
8756 features. Adjust for Fixed_return_reg feature.
8757 (test_intrinsic): Call emit_automatics with new feature.
8758 * config/arm/neon.ml: Update copyright years.
8759 (features): New Fixed_return_reg feature.
8760 (ops): Update feature for Vget_low.
8762 2010-01-19 Jakub Jelinek <jakub@redhat.com>
8764 PR tree-optimization/42719
8765 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8769 * fwprop.c (all_uses_available_at): Return false if def_set dest
8770 is a REG that is used in def_insn.
8772 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
8774 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
8776 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
8779 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
8781 * target.h (struct gcc_target) <secondary_reload>: Change type
8782 of last argument to secondary_reload_info *.
8784 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
8787 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
8788 memory references with unaligned offsets. Remove CQImode handling.
8789 (unaligned_memory_operand): Return 1 for memory references with
8790 unaligned offsets. Remove CQImode handling.
8792 2010-01-18 Richard Guenther <rguenther@suse.de>
8795 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
8798 2010-01-18 Richard Guenther <rguenther@suse.de>
8800 PR tree-optimization/42781
8801 * tree-ssa-structalias.c (find_what_var_points_to): Skip
8802 restrict processing only if the original variable was artificial.
8804 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
8806 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
8807 find number of popped argument bytes.
8809 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
8810 Fix the text that describes the return value for invalid insns.
8812 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
8814 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
8815 Clarify what 'cost of the -dependence' is. Fix quoting.
8817 * toplev.c (default_get_pch_validity): Rename argument to "sz".
8818 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
8820 2010-01-17 Jakub Jelinek <jakub@redhat.com>
8822 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8823 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
8825 2010-01-17 Richard Guenther <rguenther@suse.de>
8828 * function.c (split_complex_args): Take a VEC to modify.
8829 (assign_parms_augmented_arg_list): Build a VEC instead of
8830 a chain of PARM_DECLs.
8831 (assign_parms_unsplit_complex): Take a VEC of arguments.
8832 Do not fixup unmodified parms.
8833 (assign_parms): Deal with the VEC.
8834 (gimplify_parameters): Likewise.
8836 2010-01-17 Richard Guenther <rguenther@suse.de>
8838 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
8839 node existence check.
8840 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
8841 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
8842 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8843 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
8844 (gimple_execute_on_growing_pred): Likewise.
8846 2010-01-17 Richard Guenther <rguenther@suse.de>
8848 PR tree-optimization/42773
8849 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
8850 (compute_antic_aux): Likewise.
8851 (compute_partial_antic_aux): Likewise.
8853 2010-01-17 Jie Zhang <jie.zhang@analog.com>
8856 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
8859 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
8861 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
8864 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
8865 Fix markup for strict argument.
8867 (TARGET_SCHED_REORDER2): Fix argument types.
8869 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
8870 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
8872 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
8873 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
8875 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
8878 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
8879 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
8880 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
8881 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
8882 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
8884 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
8886 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
8888 (TARGET_ASM_RELOC_RW_MASK): Add return type.
8889 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
8891 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
8893 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
8896 (TARGET_ASM_NAMED_SECTION): Fix argument list.
8898 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
8899 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
8901 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
8903 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
8905 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
8906 referring to it. Fix language.
8908 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
8910 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
8912 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
8914 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
8916 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
8917 '@var{stream}. Remove stray 'and'.
8919 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
8921 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
8923 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
8925 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
8926 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
8928 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
8929 Fix description of return value.
8930 Rename argument "sz" to "len."
8932 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
8933 Clarify meaning of 'true' return value.
8935 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
8937 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
8938 rep_mode versus mode_rep.
8940 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
8942 (TARGET_BUILTIN_DECL): Fix name.
8944 (TARGET_COMMUTATIVE_P): Fix type of first argument.
8946 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
8948 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
8950 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
8952 (TARGET_RELAXED_ORDERING): Use @deftypevr.
8954 (TARGET_GET_DRAP_RTX): Note that this is a hook.
8957 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
8958 Rename argument tm_fn to md_fn.
8960 (TARGET_OPTION_PRINT): Fix argument list.
8962 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
8965 * config/i386/i386.c (ix86_fixup_binary_operands):
8966 Revert FMA4 fixup of operands.
8968 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8971 * Makefile.in (write_entries_to_file, install-plugin):
8972 Use \012 instead of \n with tr.
8974 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8976 * configure.ac (HAVE_AS_REF): New C macro.
8977 * configure: Regenerate.
8978 * config.in: Likewise.
8979 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8981 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8984 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8986 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8988 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8990 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8992 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8994 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8996 (TARGET_BINDS_LOCAL_P): Fix argument type.
8998 (TARGET_ASM_FILE_END): Use prototype.
9000 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
9002 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
9004 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
9006 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
9008 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
9009 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
9011 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
9012 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
9014 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
9015 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
9016 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
9017 (TARGET_ADDR_SPACE_CONVERT): Likewise.
9019 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
9021 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
9023 (TARGET_INIT_BUILTINS): Use prototype.
9025 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9026 Put 'const char *' in braces. Fix parameter types.
9027 (TARGET_INVALID_CONVERSION): Fix parameter types.
9028 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
9029 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
9031 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
9034 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
9036 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
9038 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
9040 * doc/tm.texi (TARGET_HELP): Fix return type.
9042 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
9043 in braces. Fix argument types.
9045 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
9047 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
9049 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
9051 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
9052 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
9054 (TARGET_MANGLE_TYPE): Fix argument types.
9056 (TARGET_IRA_COVER_CLASSES): Use prototype.
9058 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
9060 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
9062 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
9064 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
9066 (TARGET_CALLEE_COPIES): Fix argument types.
9068 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
9070 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
9072 (TARGET_FUNCTION_VALUE): Fix argument types.
9074 (TARGET_RETURN_IN_MSB): Fix argument type.
9076 (TARGET_RETURN_IN_MEMORY): Fix argument types.
9078 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
9080 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
9082 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
9083 agree with return type.
9085 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
9087 2010-01-15 Jing Yu <jingyu@google.com>
9089 PR rtl-optimization/42691
9090 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
9091 a pseudo to a constant and are merged, and adjust comments.
9093 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
9095 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
9097 2010-01-15 Richard Guenther <rguenther@suse.de>
9100 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
9101 labels of computed or non-local gotos to the destination.
9102 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
9103 landing pad label is the first label.
9105 2010-01-15 Richard Guenther <rguenther@suse.de>
9107 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
9109 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
9112 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
9113 to allow generation of the xssqrtdp instruction on power7.
9114 (sqrtdf2_fpr): Ditto.
9116 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9119 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
9120 functions with noreturn attribute.
9123 * varasm.c (declare_weak): Add weak attribute to decl if it
9124 doesn't have one already.
9125 (assemble_external): Only add decls to weak_decls if they also
9126 have weak attribute.
9128 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
9130 * var-tracking.c (var_reg_delete): Don't delete the association
9131 between REGs and values or one-part variables if the register
9134 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9137 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
9138 because its first operand is a non-localized variable.
9140 2010-01-14 Martin Jambor <mjambor@suse.cz>
9142 PR tree-optimization/42706
9143 * tree-sra.c (encountered_recursive_call): New variable.
9144 (encountered_unchangable_recursive_call): Likewise.
9145 (sra_initialize): Initialize both new variables.
9146 (callsite_has_enough_arguments_p): New function.
9147 (scan_function): Call decl and flags check only for IPA-SRA, check
9148 whether there is a recursive call and whether it has enough arguments.
9149 (all_callers_have_enough_arguments_p): New function.
9150 (convert_callers): Look for recursive calls only when
9151 encountered_recursive_call is set.
9152 (ipa_early_sra): Bail out either if
9153 !all_callers_have_enough_arguments_p or
9154 encountered_unchangable_recursive_call.
9156 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9158 * sel-sched.c: Add 2010 to copyright years.
9159 * sel-sched-ir.c: Likewise.
9160 * sel-sched-ir.h: Likewise.
9162 2010-01-14 Martin Jambor <mjambor@suse.cz>
9164 PR tree-optimization/42714
9165 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
9166 constructors specially.
9168 2010-01-14 Andi Kleen <ak@linux.intel.com>
9170 * config/i386/drivers-i386.c (detect_caches_intel):
9171 Add l2sizekb parameter and fill in.
9172 (host_detect_local_cpu): Add l2sizekb, fill in.
9173 Add Atom small cache heuristic.
9175 2010-01-14 Andi Kleen <ak@linux.intel.com>
9177 * config/i386/drivers-i386.c (detect_caches_cpuid4):
9178 Add level3 parameter and fill in.
9179 (detect_caches_intel): Handle level3 cache.
9181 2010-01-14 Andi Kleen <ak@linux.intel.com>
9183 * config/i386/drivers-i386.c (host_detect_local_cpu):
9184 Fix core duo detection.
9186 2010-01-14 Andi Kleen <ak@linux.intel.com>
9188 * config/i386/drivers-i386.c (host_detect_local_cpu):
9191 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9193 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
9194 (rs6000_variable_issue_1): this. Use...
9195 (rs6000_variable_issue): here. Reimplement. Print debug info.
9197 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9199 * sel-sched-ir.c (sel_restore_other_notes): Rename to
9200 sel_restore_notes. Update all callers. Call reemit_notes
9203 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9205 PR rtl-optimization/42246
9206 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
9209 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9211 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
9212 all successors is the same as number of successors in current region.
9214 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9216 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
9217 to rename is not separable. Otherwise check that its LHS is not NULL.
9219 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9221 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
9223 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9225 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
9226 available registers when failed to discover LHS register class.
9227 Fix indentation. Update comment.
9229 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9230 Alexander Monakov <amonakov@ispras.ru>
9232 PR rtl-optimization/42389
9233 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9235 (advance_state_on_fence): Likewise.
9236 (sel_target_adjust_priority): Print debug output only when
9237 sched_verbose >= 4, not 2.
9238 (get_expr_cost): Do not issue all unique insns on the next cycle.
9239 (fill_insns): Initialize can_issue_more from the value saved
9241 * sel-sched-ir.c (flist_add): New parameter issue_more.
9242 Init FENCE_ISSUE_MORE with it.
9243 (merge_fences): Likewise.
9244 (init_fences): Update call to flist_add.
9245 (add_to_fences, add_clean_fence_to_fences)
9246 (add_dirty_fence_to_fences): Likewise.
9247 (move_fence_to_fences): Update call to merge_fences.
9248 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9250 * sel-sched-ir.h (struct _fence): New field issue_more.
9251 (FENCE_ISSUE_MORE): New accessor macro.
9253 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9255 PR rtl-optimization/42388
9256 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9257 that have no predecessors nor successors. Do not call move_bb_info
9258 for empty blocks outside of current region.
9260 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9262 PR rtl-optimization/42294
9263 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9264 * sel-sched.c (move_exprs_to_boundary): Transitively add all
9265 originators' originators.
9267 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9269 PR rtl-optimization/39453
9270 PR rtl-optimization/42246
9271 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9273 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9275 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9276 Alexander Monakov <amonakov@ispras.ru>
9279 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
9280 (maybe_tidy_empty_bb): ... here. Make static. Add new
9281 argument. Update all callers.
9282 (tidy_control_flow): ... and here. Recompute topological order
9283 of basic blocks in region if necessary.
9284 (sel_redirect_edge_and_branch): Change return type. Return true
9285 if topological order might have been invalidated.
9286 (purge_empty_blocks): Export and move from...
9287 * sel-sched.c (purge_empty_blocks): ... here.
9288 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9289 (maybe_tidy_empty_bb): Delete prototype.
9290 (purge_empty_blocks): Declare.
9292 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9294 PR rtl-optimization/42249
9295 * sel-sched.c (try_replace_dest_reg): When chosen register
9296 and original register is the same, do not bail out early, but
9297 still check all original insns for validity of replacing destination
9298 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9301 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9304 Port from no-undefined-overflow branch:
9305 2009-03-09 Richard Guenther <rguenther@suse.de>
9307 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9309 2010-01-14 Richard Guenther <rguenther@suse.de>
9312 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9314 2010-01-14 Ira Rosen <irar@il.ibm.com>
9316 PR tree-optimization/42709
9317 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9318 as scalar type in creation of constant vector operand.
9320 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9323 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9324 (check-parallel-%): Match `testsuite' directory component only
9327 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
9329 PR translation/39521
9330 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9333 2010-01-13 Richard Guenther <rguenther@suse.de>
9335 PR tree-optimization/42730
9336 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9339 2010-01-13 Steve Ellcey <sje@cup.hp.com>
9342 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9343 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9346 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
9348 * config/bfin/libgcc-bfin.ver: Regenerate based on current
9349 libgcc-std.ver. Add entries for ___smulsi3_highpart and
9350 ___umulsi3_highpart.
9352 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9353 rather than schedule_insns if the pass is enabled.
9355 2010-01-13 Martin Jambor <mjambor@suse.cz>
9357 PR tree-optimization/42704
9358 * tree-sra.c (sra_modify_assign): Do not delete assignments to
9361 2010-01-13 Martin Jambor <mjambor@suse.cz>
9363 PR tree-optimization/42703
9364 * tree-sra.c (analyze_access_subtree): Check that we can build a
9365 reference to the original data within the aggregate.
9367 2010-01-13 Richard Guenther <rguenther@suse.de>
9369 PR tree-optimization/42705
9370 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9372 2010-01-13 Richard Guenther <rguenther@suse.de>
9375 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9377 2010-01-13 Jakub Jelinek <jakub@redhat.com>
9380 * var-tracking.c (values_to_unmark): New variable.
9381 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9382 values_to_unmark vector. Moved body to...
9383 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
9384 instead queue it into values_to_unmark vector.
9385 (vt_find_locations): Free values_to_unmark vector.
9387 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
9389 * config/s390/s390.c (override_options): Set
9390 default of max-pending-list-length to 256
9392 2010-01-13 Richard Guenther <rguenther@suse.de>
9395 * tree-pass.h (PROP_gimple_lcx): New.
9396 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9397 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9398 before the final cleanup_eh.
9399 (dump_properties): Dump PROP_gimple_lcx.
9400 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9401 (tree_lower_complex_O0): Remove.
9402 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9403 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
9404 tree_lower_complex, schedule TODO_update_ssa.
9405 * lto-streamer-out.c (output_function): Stream the functions
9407 * lto-streamer-in.c (input_function): Likewise.
9408 (lto_read_body): Do not override them here.
9410 2010-01-12 Joseph Myers <joseph@codesourcery.com>
9413 * c-typeck.c (build_c_cast): Fold value cast to union type before
9414 wrapping it in a CONSTRUCTOR.
9416 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9418 PR rtl-optimization/42699
9419 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9422 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9424 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9425 SUBTARGET_WARN_UNUSED_SPEC): Move ...
9426 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9427 SUBTARGET_WARN_UNUSED_SPEC): ... here
9428 * config/mips/iris5.h (LIBGCC_SPEC): Define.
9430 2010-01-12 Julian Brown <julian@codesourcery.com>
9432 * config/arm/neon-schedgen.ml (Utils): Don't try to
9433 open missing module.
9434 (find_with_result): New.
9436 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9439 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9440 sharing when canonicalizing ({lt,ge}u (plus a b) b).
9442 PR tree-optimization/42645
9443 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
9444 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9445 decl_map, set processing_debug_stmt to -1 and return name without
9448 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
9450 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9451 binutils version, and reword target configuration description.
9453 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9455 * config/avr/avr.h (LINKER_NAME): Remove.
9457 2010-01-11 Janis Johnson <janis187@us.ibm.com>
9460 * config/rs6000/rs6000.c (rs6000_override_options): On targets
9461 that support VSX, warn for -mno-altivec if vsx is not disabled,
9464 2010-01-11 Joseph Myers <joseph@codesourcery.com>
9465 Shujing Zhao <pearly.zhao@oracle.com>
9467 PR translation/42469
9468 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9469 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9470 character between option name and help text.
9471 * c.opt (imultilib): Likewise.
9473 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
9475 * lto-streamer-out.c (output_unreferenced_globals): Output static
9478 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
9480 PR rtl-optimization/42621
9481 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9482 optimizing for size.
9483 (duplicate_computed_gotos): Remove now-redundant check.
9485 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9488 * configure.ac: Save and restore LDFLAGS and LIBS
9489 * configure: Regenerate.
9491 2010-01-10 Richard Guenther <rguenther@suse.de>
9494 * builtins.c (fold_builtin_strlen): Add type argument and
9495 convert the resulting length to it.
9496 (fold_builtin_1): Adjust.
9498 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9500 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9501 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9503 (num_insns_constant_wide): Adjust for that change.
9505 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9508 * web.c (union_defs): Add used argument, to combine uses of
9510 (entry_register): Adjust type and tests of used argument.
9511 (web_main): Widen used for new use. Pass it to union_defs.
9512 * df.h (union_defs): Adjust prototype.
9514 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9517 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9518 uses in new incoming argument. Free body.
9519 (reset_debug_uses_in_loop): New.
9520 (analyze_insn_to_expand_var): Call the latter if the former found
9521 anything. Fix whitespace. Reject invalid dest overlaps before
9522 going through all insns in the loop.
9524 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9527 * haifa-sched.c (dying_use_p): Debug insns don't count.
9529 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9532 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9533 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9534 (verify_gimple_call): Reject LHS in noreturn calls.
9536 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9540 * tree-vect-loop-manip.c (adjust_info): New type.
9541 (adjust_vec): New pointer to vector.
9542 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9543 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9544 (slpeel_update_phis_for_duplicate_loop): Use them.
9545 (slpeel_update_phi_nodes_for_guard1): Likewise.
9546 (slpeel_update_phi_nodes_for_guard2): Likewise.
9547 (slpeel_tree_peel_loop_to_edge): Likewise.
9548 (vect_update_ivs_after_vectorizer): Likewise.
9550 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9552 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9553 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9555 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9557 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9558 bogus uninitialized warning.
9560 2010-01-09 Richard Guenther <rguenther@suse.de>
9563 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9564 the evolution is compatible with the initial condition.
9566 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9568 * gcc.c (process_command): Update copyright notice dates.
9569 * gcov.c (print_version): Likewise.
9570 * gcov-dump.c (print_version): Likewise.
9571 * mips-tfile.c (main): Likewise.
9572 * mips-tdump.c (main): Likewise.
9574 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9577 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9579 (rotlhi3_8): Delete.
9581 (rotlsi3_8): Delete.
9582 (rotlsi3_16): Delete.
9583 (rotlsi3_24): Delete.
9585 (*rotw<mode>3): New.
9586 (*rotb<mode>3): New.
9587 * config/avr/avr.c (avr_rotate_bytes): New function.
9588 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9590 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9593 * configure.ac: Modify -rdynamic check.
9594 * configure: Regenerate.
9596 2010-01-08 DJ Delorie <dj@redhat.com>
9598 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9599 register popping order.
9601 2010-01-08 Richard Guenther <rguenther@suse.de>
9604 * c.opt (fsigned-char): Also let LTO handle this option.
9605 (funsigned-char): Likewise.
9607 2010-01-07 Richard Guenther <rguenther@suse.de>
9609 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9610 (gimple_op): Likewise.
9611 (gimple_op_ptr): Likewise.
9612 (gimple_assign_set_lhs): Remove gcc_assert.
9613 (gimple_assign_set_rhs1): Likewise.
9614 (gimple_assign_set_rhs2): Likewise.
9615 (gimple_call_set_lhs): Likewise.
9616 (gimple_call_set_fn): Likewise.
9617 (gimple_call_set_fndecl): Likewise.
9618 (gimple_call_fndecl): Likewise.
9619 (gimple_call_return_type): Likewise.
9620 (gimple_call_set_chain): Likewise.
9621 (gimple_call_num_args): Likewise.
9622 (gimple_call_set_arg): Likewise.
9623 (gimple_cond_set_code): Likewise.
9624 (gimple_cond_set_lhs): Likewise.
9625 (gimple_cond_set_rhs): Likewise.
9626 (gimple_cond_set_true_label): Likewise.
9627 (gimple_cond_set_false_label): Likewise.
9628 (gimple_label_set_label): Likewise.
9629 (gimple_goto_set_dest): Likewise.
9630 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9631 (gimple_debug_bind_get_value): Likewise.
9632 (gimple_debug_bind_get_value_ptr): Likewise.
9633 (gimple_debug_bind_set_var): Likewise.
9634 (gimple_debug_bind_set_value): Likewise.
9635 (gimple_debug_bind_reset_value): Likewise.
9636 (gimple_debug_bind_has_value_p): Likewise.
9637 (gimple_return_retval_ptr): Remove gcc_assert.
9638 (gimple_return_retval): Likewise.
9639 (gimple_return_set_retval): Likewise.
9640 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9641 (safe_referenced_var_iterator): Remove.
9642 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9643 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9644 (fill_referenced_var_vec): Remove.
9645 (first_readonly_imm_use): Remove redundant gcc_assert.
9646 (phi_arg_index_from_use): Combine gcc_asserts.
9647 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9648 (first_imm_use_stmt): Remove redundant gcc_assert.
9649 * tree-cfg.c (verify_gimple_call): Verify function and chain
9650 operands. Verify arguments.
9651 (verify_types_in_gimple_stmt): Verify condition code and labels.
9653 2010-01-07 Richard Guenther <rguenther@suse.de>
9655 PR tree-optimization/42641
9656 * sese.c (rename_map_elt_info): Use the SSA name version, do
9659 2010-01-07 Jakub Jelinek <jakub@redhat.com>
9661 PR tree-optimization/42625
9662 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9663 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9665 2010-01-07 Duncan Sands <baldrick@free.fr>
9667 * Makefile.in (PLUGIN_HEADERS): Add version.h.
9669 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
9672 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9673 note itself is not function_invariant_p.
9675 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
9677 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9678 Do not add the DF_NOTE problem.
9679 * store-motion.c (execute_rtl_store_motion): Likewise.
9681 2010-01-07 Martin Jambor <mjambor@suse.cz>
9683 PR tree-optimization/42157
9684 * tree-sra.c (compare_access_positions): Stabilize sort if both
9685 accesses have integer types, return zero immediately if they are the
9688 2010-01-06 Richard Henderson <rth@redhat.com>
9691 * haifa-sched.c (add_to_note_list): Merge into ...
9692 (concat_note_lists): ... here, and ...
9693 (unlink_other_notes, rm_other_notes): Merge into...
9694 (remove_notes): ... here. Create REG_SAVE_NOTEs for
9695 NOTE_INSN_EPILOGUE_BEG.
9697 2010-01-06 Richard Guenther <rguenther@suse.de>
9699 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9700 not inline regular functions into always-inline functions.
9702 2010-01-06 Nick Clifton <nickc@redhat.com>
9704 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9705 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9707 (OVERRIDE_OPTIONS): Delete.
9708 (OPTIMIZATION_OPTIONS): Define.
9709 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9710 * config/rx/rx.c (rx_handle_option): Issue an error message if
9711 -mcpu=rx200 and -fpu are used together.
9712 (rx_set_optimization_options): New function. Issue an error
9713 message if an optimization attribute attempts to reset the FPU/
9714 math optimization pairing.
9715 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9716 * config/rx/rx.opt: Set the default to 32-bit doubles.
9717 * config/rx/t-rx: Add multilibs for -nofpu option.
9718 * doc/invoke.texi: Update documentation of RX options.
9720 2010-01-06 Richard Guenther <rguenther@suse.de>
9722 * tree-ssa-pre.c (name_to_id): New global.
9723 (alloc_expression_id): Simplify SSA name handling.
9724 (lookup_expression_id): Likewise.
9725 (init_pre): Zero name_to_id.
9726 (fini_pre): Free it.
9728 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
9730 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9732 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
9735 * config/i386/sse.md (smaxv2di3): New.
9736 (umaxv2di3): Likewise.
9737 (sminv2di3): Likewise.
9738 (uminv2di3): Likewise.
9740 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
9743 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9744 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9745 (legitimize_tls_address): Likewise.
9746 (sparc_tls_referenced_p): Likewise.
9747 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9748 and adjust calls to legitimize_pic_address.
9749 (legitimate_constant_p) Use sparc_tls_referenced_p.
9750 (legitimate_pic_operand_p): Likewise.
9751 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9752 (sparc_tls_symbol_ref_1): Delete.
9753 (sparc_tls_referenced_p): Make static, recognize specific patterns.
9754 (legitimize_tls_address): Make static, handle CONST patterns.
9755 (legitimize_pic_address): Make static, remove unused parameter and
9756 adjust recursive calls.
9757 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9758 and adjust call to legitimize_pic_address.
9759 (sparc_output_mi_thunk): Likewise.
9761 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
9762 H.J. Lu <hongjiu.lu@intel.com>
9765 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9766 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9767 operands to make them signed.
9770 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9773 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9774 GTU to GT for V4SI and V2DI.
9776 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9777 (umin<mode>3): Removed.
9779 (uminv4si3): Likewise.
9781 2010-01-05 Martin Jambor <mjambor@suse.cz>
9783 PR tree-optimization/42462
9784 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
9785 current_function_decl to helper functions and macros.
9787 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9790 * flags.h: Don't include real.h.
9791 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9792 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9793 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9794 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9795 * dominance.c: Update copyright.
9796 * gimple.c (walk_gimple_op): Remove inline.
9797 * tree-ssa-reassoc.c: Include real.h.
9798 * Makefile.in (FLAGS_H): Remove $(REAL_H).
9799 (tree-ssa-reassoc.o): Depend on $(REAL_H).
9801 2010-01-05 Nick Clifton <nickc@redhat.com>
9803 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
9804 register to push into the stack frame when the accumulator has to
9805 be saved during interrupts.
9807 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
9809 * doc/invoke.texi: Remove the documentation about option
9811 * common.opt (Wunreachable-code): Preserved for backward
9813 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
9814 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
9815 the backward compatibility flag section.
9817 2010-01-05 Richard Guenther <rguenther@suse.de>
9819 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
9821 2010-01-05 Jakub Jelinek <jakub@redhat.com>
9824 * cfgexpand.c (expand_one_var): Diagnose too large variables.
9826 PR tree-optimization/42508
9827 * tree-sra.c (convert_callers): Check for recursive call
9828 by comparing cgraph nodes instead of decls.
9829 (modify_function): Call ipa_modify_formal_parameters also
9830 on all same_body aliases.
9832 * cgraphunit.c (cgraph_materialize_all_clones): Compare
9833 cgraph nodes when checking for same_body aliases.
9835 2010-01-05 Richard Guenther <rguenther@suse.de>
9837 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
9838 allocation and lookup.
9839 (get_or_alloc_expr_for_constant): Likewise.
9840 (phi_translate): Sink allocation.
9842 2010-01-04 Richard Guenther <rguenther@suse.de>
9844 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
9845 a new entry only if needed.
9846 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
9847 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
9849 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
9851 (phi_translate): Handle CONSTANTs early.
9853 2010-01-04 Martin Jambor <mjambor@suse.cz>
9855 PR tree-optimization/42398
9856 * tree-sra.c (struct access): Removed flag grp_different_types.
9857 (dump_access): Do not dump the removed flag.
9858 (sort_and_splice_var_accesses): Do not set the removed flag.
9859 (sra_modify_expr): Check for type compatibility directly.
9861 2010-01-04 Martin Jambor <mjambor@suse.cz>
9863 PR tree-optimization/42366
9864 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
9865 edges with variable number of parameters.
9866 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
9867 flag instead of asserting it.
9868 (ipa_read_node_info): Read uses_analysis_done flag.
9870 2010-01-04 Richard Guenther <rguenther@suse.de>
9872 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
9873 iterative_hash_* as intended.
9874 (vn_reference_compute_hash): Likewise. Simplify hashing
9876 (vn_reference_lookup_2): Likewise.
9877 (vn_nary_op_compute_hash): Likewise.
9878 (vn_phi_compute_hash): Likewise.
9879 (expressions_equal_p): Remove strange code.
9880 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
9881 (pre_expr_hash): Likewise. Simplify hashing SSA names.
9882 (bitmap_insert_into_set_1): Take value-id as parameter.
9883 (add_to_value): Pass it.
9884 (bitmap_insert_into_set): Likewise.
9885 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
9887 2010-01-04 Jakub Jelinek <jakub@redhat.com>
9890 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
9891 (do_self_spec): For switches with SWITCH_IGNORE set set also
9892 SWITCH_IGNORE_PERMANENTLY.
9893 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
9896 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
9898 * lto-streamer-out.c (output_unreferenced_globals): Output the full
9899 tree of an unreferenced global var.
9901 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9904 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9905 GTU to GT for V4SI and V2DI.
9907 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9908 (umin<mode>3): Removed.
9910 (uminv4si3): Likewise.
9912 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9915 * collect2.c (main): Turn on trace in collect2 if -v is passed
9918 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
9920 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
9921 description of expression operand.
9923 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
9925 * configure.ac: Add install-html to target_list for Make-hooks.
9926 * configure: Regenerate.
9927 * fortran/Make-lang.in (F95_HTMLFILES): New.
9928 (fortran.html): Use it.
9929 (fortran.install-html): New.
9930 * Makefile.in (install-html): Add lang.install-html.
9931 * java/Make-lang.in (JAVA_HTMLFILES): New.
9932 (java.html): Use it.
9933 (java.install-html): New.
9934 * objc/Make-lang.in (objc.install-html): New.
9935 * objcp/Make-lang.in (obj-c++.install-html): New.
9936 * cp/Make-lang.in (c++.install-html): New.
9937 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
9938 * lto/Make-lang.in (lto.install-html): New.
9940 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9943 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
9945 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
9947 PR rtl-optimization/41862
9948 * store-motion.c (store_killed_in_insn, compute_store_table,
9949 remove_reachable_equiv_notes, replace_store_insn,
9950 build_store_vectors): Ignore all DEBUG_INSNs.
9952 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9955 * common.opt: Add dumpdir.
9957 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
9959 (option_map): Add --dumpdir.
9961 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
9963 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
9965 * opts.c (decode_options): Try dump_dir_name first if
9966 dump_base_name isn't an absolute path.
9967 (common_handle_option): Handle OPT_dumpdir.
9969 * toplev.c (dump_dir_name): New.
9970 (print_switch_values): Also ignore -dumpdir.
9972 * toplev.h (dump_dir_name): New.
9974 2010-01-03 Richard Guenther <rguenther@suse.de>
9976 PR tree-optimization/42589
9977 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9978 double-word expansion of bswap32.
9980 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9982 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9983 with BLOCK_FOR_INSN.
9984 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9985 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9986 noce_process_if_block): Likewise.
9987 * gcse.c (compute_local_properties, insert_expr_in_table,
9988 insert_set_in_table, canon_list_insert, find_avail_set,
9989 pre_insert_copy_insn): Likewise.
9991 * basic-block.h (BLOCK_NUM): Move from here...
9992 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9994 2010-01-03 Richard Guenther <rguenther@suse.de>
9996 PR tree-optimization/42438
9997 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9998 contains_may_not_return_call flag.
9999 (BB_MAY_NOTRETURN): New.
10000 (valid_in_sets): Trapping nary operations are not valid
10001 in blocks that may not return.
10002 (insert_into_preds_of_block): Remove check for trapping expressions.
10003 (compute_avail): Compute also BB_MAY_NOTRETURN.
10005 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
10007 * doc/invoke.texi: Add 2010 to copyright years.
10009 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
10011 * config/sparc/sparc.c: Fix formatting nits.
10013 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
10014 Alexander Monakov <amonakov@ispras.ru>
10016 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
10018 2010-01-02 Richard Guenther <rguenther@suse.de>
10020 PR middle-end/42577
10021 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
10022 (simplify_switch_using_ranges): Mark to be removed edges
10025 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10027 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
10029 * collect2.c (scan_libraries): Add missing argument in call to
10032 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
10035 * config/alpha/predicates.md (aligned_memory_operand): Return false
10037 (unaligned_memory_operand): Return true for CQImode.
10038 * config/alpha/alpha.c (get_aligned_mem): Assert that location
10039 doesn not cross aligned SImode word boundary.
10041 2010-01-02 Anatoly Sokolov <aesok@post.ru>
10043 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
10045 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
10046 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
10048 2010-01-02 Richard Guenther <rguenther@suse.de>
10051 * toplev.c (compile_file): Emit LTO marker properly. Change
10052 it to __gnu_lto_v1.
10053 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
10055 2010-01-01 Richard Guenther <rguenther@suse.de>
10058 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
10060 2010-01-01 Richard Guenther <rguenther@suse.de>
10063 * c-decl.c (grokdeclarator): For zero-size arrays force
10064 structural equality checks as layout_type does.
10066 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
10068 * builtins.c: Update copyright to 2010.
10070 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
10073 * lto-streamer-out.c (produce_asm): Revert the last change.
10074 (copy_function): Likewise.
10076 * lto-streamer.c (lto_get_section_name): Skip any leading
10079 2010-01-01 Richard Guenther <rguenther@suse.de>
10081 PR middle-end/42559
10082 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
10086 Copyright (C) 2010 Free Software Foundation, Inc.
10088 Copying and distribution of this file, with or without modification,
10089 are permitted in any medium without royalty provided the copyright
10090 notice and this notice are preserved.