1 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
3 * doc/install.texi (Specific): Fix two cross-references to MinGW.
5 2009-04-06 Richard Guenther <rguenther@suse.de>
7 PR tree-optimization/28868
8 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
9 of which PHI results we inserted.
10 (insert_into_preds_of_block): Record inserted PHIs.
11 (eliminate): Eliminate redundant PHI nodes.
12 (init_pre): Init inserted_phi_names.
14 2009-04-06 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/39643
17 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
18 IMAGPART_EXPRs of complex constants.
19 (execute_fold_all_builtins): If we folded a call queue
20 TODO_update_address_taken.
22 2009-04-06 Jan Hubicka <jh@suse.cz>
25 * except.c (remove_unreachable_regions): Propagate may_contain_throw
28 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
30 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
32 (ic_invalidate_array): Likewise.
34 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
36 * calls.c (emit_library_call_value_1): Fix a problem with parameter
37 alignment for library calls.
39 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
41 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
42 (mingw32 tm clause use_gcc_stdint): Set to wrap.
43 * config/i386/mingw-stdint.h: New file.
45 2009-04-05 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/39648
48 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
49 our &A vs. &A[0] IL deficiencies.
51 2009-04-04 Jan Hubicka <jh@suse.cz>
53 * except.c (sjlj_find_directly_reachable_regions): Be ready for
54 removed toplevel regions.
55 (sjlj_mark_call_sites): Likewise.
57 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
59 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
60 (cygwin tm clause use_gcc_stdint): Set to wrap.
61 * config/i386/cygwin-stdint.h: New file.
63 2009-04-04 Richard Guenther <rguenther@suse.de>
65 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
66 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
67 single-argument PHIs if we are in loop-closed SSA form.
68 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
69 for the pre-condition.
70 (slpeel_tree_peel_loop_to_edge): Likewise.
71 (vect_build_loop_niters): Take an optional sequence to append stmts.
72 (vect_generate_tmps_on_preheader): Likewise.
73 (vect_do_peeling_for_loop_bound): Take extra guards for the
75 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
77 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
78 guards if we are going to peel. Do not apply versioning in that
80 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
81 (vect_do_peeling_for_loop_bound): Likewise.
82 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
83 loop bound only record extra pre-conditions, do not apply loop
86 2009-04-04 Richard Guenther <rguenther@suse.de>
88 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
91 2009-04-04 Jan Hubicka <jh@suse.cz>
93 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
94 last_basic_block for size of bb->index indexed array.
95 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
96 compute_out, link_btr_uses, build_btr_def_use_webs,
97 build_btr_def_use_webs, migrate_btr_defs): Likewise.
99 2009-04-04 Jan Hubicka <jh@suse.cz>
101 * except.c (remove_eh_handler_and_replace): Break out from ...
102 (remove_eh_handler): ... here.
103 (bring_to_root): New function.
104 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
105 handled ones, bring others to root of tree.
107 2009-04-04 Jan Hubicka <jh@suse.cz>
109 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
110 (all_phis_safe_to_merge): New function.
111 (update_info): New structure.
112 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
113 (cleanup_empty_eh): Update SSA if possible.
115 2009-04-04 Richard Guenther <rguenther@suse.de>
117 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
118 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
119 (append_vuse): Likewise.
121 2009-04-04 Jakub Jelinek <jakub@redhat.com>
123 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
124 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
125 instead of REG_UNSAVED for DW_CFA_undefined.
126 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
127 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
130 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
133 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
134 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
135 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
137 2009-04-04 Richard Guenther <rguenther@suse.de>
139 PR tree-optimization/8781
140 PR tree-optimization/37892
141 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
142 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
143 (valueize_refs): Call it for *& valueizations.
144 (shared_reference_ops_from_ref): Rename to ...
145 (valueize_shared_reference_ops_from_ref): ... this and valueize.
146 (shared_reference_ops_from_call): Rename to ...
147 (valueize_shared_reference_ops_from_call): ... this and valueize.
148 (vn_reference_lookup): Update.
149 (visit_reference_op_call): Likewise.
150 * tree-ssa-pre.c (phi_translate_1): Fold *&.
151 (eliminate): Value-replace the call address in call statements.
153 2009-04-04 Richard Guenther <rguenther@suse.de>
155 PR tree-optimization/39636
156 * tree-ssa-forwprop.c
157 (forward_propagate_addr_into_variable_array_index): Check for
158 GIMPLE_ASSIGN before accessing the rhs code.
160 2009-04-03 Jason Merrill <jason@redhat.com>
162 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
164 2009-04-03 Steve Ellcey <sje@cup.hp.com>
166 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
167 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
168 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
169 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
170 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
171 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
172 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
173 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
174 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
175 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
176 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
177 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
178 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
179 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
180 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
181 Use fr_reg_or_fp01_operand instead of fr_register_operand
183 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
184 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
185 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
187 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
189 PR rtl-optimization/39607
190 PR rtl-optimization/39631
192 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
193 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
194 instead of DF_LR_OUT.
195 * ira-lives.c (process_bb_node_lives): Ditto.
196 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
197 instead of DF_LR_{OUT,IN}.
198 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
199 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
201 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
203 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
204 (execute_lower_omp): Always run but take the short way out if -fopenmp
206 (gate_lower_omp): Remove, forcing the pass manager to always run the
207 pass and always set PROP_gimple_lomp.
208 (pass_lower_omp): Remove gate function.
209 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
210 PROP_trees. Instead, require it.
211 * ipa-cp.c (pass_ipa_cp): Likewise.
212 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
213 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
214 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
217 2009-04-03 Richard Guenther <rguenther@suse.de>
220 PR tree-optimization/23940
221 PR tree-optimization/33237
224 PR tree-optimization/36201
225 PR tree-optimization/36230
226 PR tree-optimization/38049
227 PR tree-optimization/38207
228 PR tree-optimization/38230
229 PR tree-optimization/38301
230 PR tree-optimization/38585
232 PR tree-optimization/38985
233 PR tree-optimization/39299
234 * tree-ssa-structalias.h: Remove.
235 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
236 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
237 (struct vuse_element_d): Remove.
238 (struct vuse_vec_d): Likewise.
239 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
240 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
241 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
242 VUSE_ELEMENT_VAR): Likewise.
243 (struct voptype_d): Likewise.
244 (NUM_VOP_FREE_BUCKETS): Likewise.
245 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
246 (struct stmt_operands_d): Remove.
247 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
248 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
249 VDEF_NUM, VDEF_VECT): Likewise.
250 (copy_virtual_operands): Remove.
251 (operand_build_cmp): Likewise.
252 (create_ssa_artificial_load_stmt): Likewise.
253 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
254 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
255 vuse_index and mayuse_index members. Pack and move done and iter_type
256 members to the front.
257 (SSA_OP_VMAYUSE): Remove.
258 (SSA_OP_VIRTUAL_USES): Adjust.
259 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
260 (unlink_stmt_vdef): Declare.
261 (add_to_addressable_set): Remove.
262 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
263 (vrp_visit_stmt): Likewise.
264 * doc/tree-ssa.texi (Alias analysis): Update.
265 * doc/invoke.texi (max-aliased-vops): Remove docs.
266 (avg-aliased-vops): Likewise.
267 * tree-into-ssa.c (syms_to_rename): Remove.
268 (need_to_update_vops_p): Likewise.
269 (need_to_initialize_update_ssa_p): Rename to ...
270 (update_ssa_initialized_fn): ... this. Track function we are
272 (symbol_marked_for_renaming): Simplify.
273 (add_new_name_mapping): Do not set need_to_update_vops_p.
274 (dump_currdefs): Use SYMS_TO_RENAME.
275 (rewrite_update_stmt): Always walk all uses/defs.
276 (dump_update_ssa): Adjust.
277 (init_update_ssa): Take function argument. Track what we are
279 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
280 (create_new_def_for): Initialize for cfun, assert we are initialized
282 (mark_sym_for_renaming): Simplify.
283 (mark_set_for_renaming): Do not initialize update-ssa.
284 (need_ssa_update_p): Simplify. Take function argument.
285 (name_mappings_registered_p): Assert we ask for the correct function.
286 (name_registered_for_update_p): Likewise.
287 (ssa_names_to_replace): Likewise.
288 (release_ssa_name_after_update_ssa): Likewise.
289 (update_ssa): Likewise. Use SYMS_TO_RENAME.
290 (dump_decl_set): Do not print a newline.
291 (debug_decl_set): Do it here.
292 (dump_update_ssa): And here.
293 * tree-ssa-loop-im.c (move_computations): Adjust.
294 (movement_possibility): Likewise.
295 (determine_max_movement): Likewise.
296 (gather_mem_refs_stmt): Likewise.
297 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
299 * tree-complex.c (update_all_vops): Remove.
300 (expand_complex_move): Adjust.
301 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
302 Simplify test for memory referencing statement. Exclude
303 non-invariant ADDR_EXPRs.
304 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
305 * tree-loop-distribution.c (generate_memset_zero): Adjust.
306 (rdg_flag_uses): Likewise.
307 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
309 (tree_optimize_tail_calls_1): Also split the
310 edge from the entry block if we have degenerate PHI nodes in
311 the first basic block.
312 * tree.c (init_ttree): Remove memory-tag related code.
313 (tree_code_size): Likewise.
314 (tree_node_structure): Likewise.
315 (build7_stat): Re-write to be build6_stat.
316 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
318 (struct tree_memory_tag): Remove.
319 (struct tree_memory_partition_tag): Likewise.
320 (union tree_node): Adjust.
321 (build7): Re-write to be build6.
322 * tree-pass.h (pass_reset_cc_flags): Remove.
323 (TODO_update_address_taken): New flag.
324 (pass_simple_dse): Remove.
325 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
326 * params.h (MAX_ALIASED_VOPS): Remove.
327 (AVG_ALIASED_VOPS): Likewise.
328 * omp-low.c (expand_omp_taskreg): Update SSA form.
329 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
330 aliases the lhs in a copy stmt.
331 * tree-ssa-dse.c (struct address_walk_data): Remove.
332 (memory_ssa_name_same): Likewise.
333 (memory_address_same): Likewise.
334 (get_kill_of_stmt_lhs): Likewise.
335 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
336 unused stores. Look through PHI nodes into post-dominated regions.
337 (dse_optimize_stmt): Simplify. Properly remove stores.
338 (tree_ssa_dse): Compute dominators.
339 (execute_simple_dse): Remove.
340 (pass_simple_dse): Likewise.
341 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
342 gimple_loaded_syms and gimple_stored_syms computation.
343 * toplev.c (dump_memory_report): Dump alias and pta stats.
344 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
345 (vn_reference_eq): Likewise.
346 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
347 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
348 valueize_vuses): Remove.
349 (get_def_ref_stmt_vuses): Simplify. Rename to ...
350 (get_def_ref_stmt_vuse): ... this.
351 (vn_reference_lookup_2): New function.
352 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
353 walking equivalent vuses. Simplify.
354 (vn_reference_lookup): Likewise.
355 (vn_reference_insert): Likewise.
356 (vn_reference_insert_pieces): Likewise.
357 (visit_reference_op_call): Simplify.
358 (visit_reference_op_load): Likewise.
359 (visit_reference_op_store): Likewise.
360 (init_scc_vn): Remove shared_lookup_vuses initialization.
361 (free_scc_vn): Remove shared_lookup_vuses freeing.
362 (sort_vuses, sort_vuses_heap): Remove.
363 (get_ref_from_reference_ops): Export.
364 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
365 vector with single vuse pointer.
366 (vn_reference_lookup_pieces, vn_reference_lookup,
367 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
368 (shared_vuses_from_stmt): Remove.
369 (get_ref_from_reference_ops): Declare.
370 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
371 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
372 memory-tag related code.
373 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
374 (likely_value): Add comment, skip static-chain of call statements.
375 (surely_varying_stmt_p): Adjust.
376 (gimplify_and_update_call_from_tree): Likewise.
377 (execute_fold_all_builtins): Do not rebuild alias info.
378 (gimplify_and_update_call_from_tree): Properly update VOPs.
379 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
380 (copy_ref_info): Remove memory-tag related code.
381 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
382 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
383 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
385 * tree-ssa-dom.c (gimple_p): Remove typedef.
386 (eliminate_redundant_computations): Adjust.
387 (record_equivalences_from_stmt): Likewise.
388 (avail_expr_hash): Likewise.
389 (avail_expr_eq): Likewise.
390 * tree-ssa-propagate.c (update_call_from_tree): Properly
392 (stmt_makes_single_load): Likewise.
393 (stmt_makes_single_store): Likewise.
394 * tree-ssa-alias.c: Rewrite completely.
395 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
396 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
397 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
398 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
399 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
400 Remove public functions.
401 (pass_reset_cc_flags): Remove.
402 (pass_build_alias): Move ...
403 * tree-ssa-structalias.c (pass_build_alias): ... here.
404 * tree-ssa-alias.c (may_be_aliased): Move ...
405 * tree-flow-inline.h (may_be_aliased): ... here.
406 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
407 count_uses_and_derefs): Move ...
408 * gimple.c: ... here.
409 * gimple.h (count_uses_and_derefs): Declare.
410 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
411 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
412 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
413 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
414 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
415 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
416 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
418 * tree-dfa.c (refs_may_alias_p): Move ...
419 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
420 * tree-ssa-alias.h: New file.
421 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
422 (statement_sink_location): Likewise.
423 * opts.c (decode_options): Do not adjust max-aliased-vops or
424 avg-aliased-vops values.
425 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
426 (TV_CALL_CLOBBER): Likewise.
427 (TV_FLOW_SENSITIVE): Likewise.
428 (TV_FLOW_INSENSITIVE): Likewise.
429 (TV_MEMORY_PARTITIONING): Likewise.
430 (TV_ALIAS_STMT_WALK): New timevar.
431 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
432 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
433 (get_address_description): Remove memory-tag related code.
434 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
435 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
436 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
437 and immediate uses in statements. Document.
438 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
439 (dump_symbols): Remove.
440 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
441 * alias.c (get_deref_alias_set): New function split out from ...
442 (get_alias_set): ... here.
443 * alias.h (get_deref_alias_set): Declare.
444 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
445 type parameter. Remove restrict pointer handling. Create a
446 ref-all pointer in case type-based alias sets do not conflict.
447 (vect_analyze_data_refs): Remove SMT related code.
448 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
449 (vectorizable_load): Likewise.
450 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
451 (DR_SYMBOL_TAG, DR_VOPS): Remove.
452 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
453 Ignore vops and SMTs.
454 (dr_analyze_alias): Likewise..
455 (free_data_ref): Likewise.
456 (create_data_ref): Likewise.
457 (analyze_all_data_dependences): Likewise.
458 (get_references_in_stmt): Adjust.
459 * tree-flow-inline.h (gimple_aliases_computed_p,
460 gimple_addressable_vars, gimple_call_clobbered_vars,
461 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
462 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
463 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
464 gimple_mem_ref_stats): Remove.
465 (gimple_vop): New function.
466 (op_iter_next_use): Remove vuses and mayuses cases.
467 (op_iter_next_def): Remove vdefs case.
468 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
469 (clear_and_done_ssa_iter): Do not set removed fields.
470 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
471 Assert we are not iterating over vuses or vdefs if not also
472 iterating over uses or defs.
473 (op_iter_init_use): Likewise.
474 (op_iter_init_def): Likewise.
475 (op_iter_next_vdef): Remove.
476 (op_iter_next_mustdef): Likewise.
477 (op_iter_init_vdef): Likewise.
478 (compare_ssa_operands_equal): Likewise.
479 (link_use_stmts_after): Handle vuse operand.
480 (is_call_used): Use is_call_clobbered.
481 (is_call_clobbered): Global variables are always call clobbered,
482 query the call-clobbers bitmap.
483 (mark_call_clobbered): Ignore global variables.
484 (clear_call_clobbered): Likewise.
485 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
486 virtual operands sanity check.
487 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
489 (TARGET_MEM_REF): Remove TMR_TAG operand.
490 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
491 Remove call-clobber related code.
492 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
493 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
494 partitions or escape reason.
495 (get_single_def_stmt, get_single_def_stmt_from_phi,
496 get_single_def_stmt_with_phi): Remove.
497 (dump_referenced_vars): Tidy.
498 (get_ref_base_and_extent): Allow bare decls.
499 (collect_dfa_stats): Adjust.
500 * graphite.c (rename_variables_in_stmt): Adjust.
501 (graphite_copy_stmts_from_block): Likewise.
502 (translate_clast): Likewise.
503 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
505 (translate_vuse_through_block): Use the oracle.
506 (phi_translate_1): Adjust.
507 (value_dies_in_block_x): Use the oracle. Cache the outcome
509 (valid_in_sets): Check if the VUSE for
510 a REFERENCE is available.
511 (eliminate): Do not remove stmts during elimination,
512 instead queue and remove them afterwards.
513 (do_pre): Do not rebuild alias info.
514 (pass_pre): Run TODO_rebuild_alias before PRE.
515 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
516 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
517 (mark_all_v_defs_stmt): Remove.
518 (mark_all_v_defs_seq): Adjust.
519 (sra_replace): Likewise.
520 (scalarize_use): Likewise.
521 (scalarize_copy): Likewise.
522 (scalarize_init): Likewise.
523 (scalarize_ldst): Likewise.
525 (tree_sra): Do not rebuild alias info.
526 (tree_sra_early): Adjust.
527 (pass_sra): Run TODO_update_address_taken before SRA.
528 * tree-predcom.c (set_alias_info): Remove.
529 (prepare_initializers_chain): Do not call it.
530 (mark_virtual_ops_for_renaming): Adjust.
531 (mark_virtual_ops_for_renaming_list): Remove.
532 (initialize_root_vars): Adjust.
533 (initialize_root_vars_lm): Likewise.
534 (prepare_initializers_chain): Likewise.
535 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
536 (may_propagate_copy_into_stmt): Likewise.
537 (merge_alias_info): Do nothing for now.
538 (propagate_tree_value_into_stmt): Adjust.
539 (stmt_may_generate_copy): Likewise.
540 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
541 not mark symbols for renaming.
542 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
543 with the same statement, make sure to update the new pointed-to one.
544 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
545 call statements, do not mark symbols for renaming.
546 (mark_operand_necessary): Dump something.
547 (ref_may_be_aliased): New function.
548 (mark_aliased_reaching_defs_necessary_1): New helper function.
549 (mark_aliased_reaching_defs_necessary): Likewise.
550 (mark_all_reaching_defs_necessary_1): Likewise.
551 (mark_all_reaching_defs_necessary): Likewise.
552 (propagate_necessity): Do not process virtual PHIs. For
553 non-aliased loads mark all reaching definitions as necessary.
554 For aliased loads and stores mark the immediate dominating
555 aliased clobbers as necessary.
556 (visited): New global static.
557 (perform_tree_ssa_dce): Free visited bitmap after propagating
559 (remove_dead_phis): Perform simple dead virtual PHI removal.
560 (remove_dead_stmt): Properly unlink virtual operands when
562 (eliminate_unnecessary_stmts): Schedule PHI removal after
564 * tree-ssa-ter.c (is_replaceable_p): Adjust.
565 (process_replaceable): Likewise.
566 (find_replaceable_in_bb): Likewise.
567 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
568 based on the single gimple vop.
569 (verify_flow_insensitive_alias_info): Remove.
570 (verify_flow_sensitive_alias_info): Likewise.
571 (verify_call_clobbering): Likewise.
572 (verify_memory_partitions): Likewise.
573 (verify_alias_info): Likewise.
574 (verify_ssa): Adjust..
575 (execute_update_addresses_taken): Export. Update SSA
576 manually. Optimize only when optimizing. Use a local bitmap.
577 (pass_update_address_taken): Remove TODO_update_ssa, add
579 (pass_update_address_taken): Just use TODO_update_address_taken.
580 (init_tree_ssa): Do not initialize addressable_vars.
581 (verify_ssa): Verify new VUSE / VDEF properties.
582 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
583 Do not call verify_alias_info.
584 (delete_tree_ssa): Clear the VUSE, VDEF operands.
585 Do not free the loaded and stored syms bitmaps. Reset the escaped
586 and callused solutions. Do not free addressable_vars.
587 Remove memory-tag related code.
588 (warn_uninitialized_var): Aliases are always available.
589 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
590 * lambda-code.c (can_put_in_inner_loop): Adjust.
591 (can_put_after_inner_loop): Likewise.
592 (perfect_nestify): Likewise.
593 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
594 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
595 (vectorizable_conversion): Do not mark symbols for renaming.
596 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
597 (expand_call_inline): Unlink the calls virtual operands before
599 (tree_function_versioning): Do not call update_ssa if we are not
600 updating clones. Simplify.
601 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
602 (propagate_with_phi): Likewise..
603 * tree-outof-ssa.c (create_temp): Remove memory tag and call
604 clobber code. Assert we are not aliased or global.
605 * tree-flow.h: Include tree-ssa-alias.h
606 (enum escape_type): Remove.
607 (struct mem_sym_stats_d): Likewise.
608 (struct mem_ref_stats_d): Likewise.
609 (struct gimple_df): Add vop member. Remove global_var,
610 call_clobbered_vars, call_used_vars, addressable_vars,
611 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
612 escaped and callused members.
613 (struct ptr_info_def): Remove all members, add points-to solution
615 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
616 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
617 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
618 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
619 (tree-ssa-alias.o): Likewise.
620 (toplev.o): Add tree-ssa-alias.h
621 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
622 * gimple.c (gimple_set_bb): Fix off-by-one error.
623 (is_gimple_reg): Do not handle memory tags.
624 (gimple_copy): Also copy virtual operands.
625 Delay updating the statement. Do not reset loaded and stored syms.
626 (gimple_set_stored_syms): Remove.
627 (gimple_set_loaded_syms): Likewise.
628 (gimple_call_copy_skip_args): Copy the virtual operands
629 and mark the new statement modified.
630 * tree-ssa-structalias.c (may_alias_p): Remove.
631 (set_uids_in_ptset): Take the alias set to prune with as
632 parameter. Fold in the alias test of may_alias_p.
633 (compute_points_to_sets): Compute whether a ptr is dereferenced
635 (process_constraint): Deal with &ANYTHING on the lhs, reject all
636 other ADDRESSOF constraints on the lhs.
637 (get_constraint_for_component_ref): Assert that we don't get
638 ADDRESSOF constraints from the base of the reference.
639 Properly generate UNKNOWN_OFFSET for DEREF if needed.
640 (struct variable_info): Remove collapsed_to member.
641 (get_varinfo_fc): Remove.
642 (new_var_info): Do not set collapsed_to.
643 (dump_constraint): Do not follow cycles.
644 (dump_constraint_graph): Likewise.
645 (build_pred_graph): Likewise.
646 (build_succ_graph): Likewise.
647 (rewrite_constraints): Likewise.
648 (do_simple_structure_copy): Remove.
649 (do_rhs_deref_structure_copy): Remove.
650 (do_lhs_deref_structure_copy): Remove.
651 (collapse_rest_of_var): Remove.
652 (do_structure_copy): Re-implement.
653 (pta_stats): New global variable.
654 (dump_pta_stats): New function.
655 (struct constraint_expr): Make offset signed.
656 (UNKNOWN_OFFSET): Define special value.
657 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
658 (solution_set_expand): New helper function split out from ...
659 (do_sd_constraint): ... here.
660 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
661 (do_ds_constraint): Likewise.
662 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
663 and CALLUSED = *CALLUSED.
664 (set_union_with_increment): Make inc argument signed.
666 (get_constraint_for_ptr_offset): Handle unknown and negative
668 (first_vi_for_offset): Handle offsets before start. Bail
669 out early for offsets beyond the variable extent.
670 (first_or_preceding_vi_for_offset): New function.
671 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
672 Together with ESCAPED = *ESCAPED this properly computes reachability.
673 (find_what_var_points_to): New function.
674 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
675 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
676 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
677 pt_solutions_intersect): New functions.
678 (compute_call_used_vars): Remove.
679 (compute_may_aliases): New main entry into PTA computation.
680 * gimple.h (gimple_p): New typedef.
681 (struct gimple_statement_base): Remove references_memory_p.
682 (struct gimple_statement_with_memory_ops_base): Remove
683 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
685 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
686 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
687 gimple_set_references_memory): Remove.
688 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
689 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
691 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
692 (verify_expr): Allow RESULT_DECL.
693 (gimple_duplicate_bb): Do not copy virtual operands.
694 (gimple_duplicate_sese_region): Adjust.
695 (gimple_duplicate_sese_tail): Likewise.
696 (mark_virtual_ops_in_region): Remove.
697 (move_sese_region_to_fn): Do not call it.
698 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
700 (execute_function_todo): Handle TODO_update_address_taken,
701 call execute_update_addresses_taken for TODO_rebuild_alias.
702 (execute_todo): Adjust.
703 (execute_one_pass): Init dump files early.
704 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
706 (create_general_new_stmt): Clear vops.
707 * tree-ssa-reassoc.c (get_rank): Adjust.
708 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
709 symbols for renaming.
710 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
711 (PARAM_AVG_ALIASED_VOPS): Likewise.
712 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
713 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
714 * tree-ssa-operands.c: Simplify for new virtual operand
716 (operand_build_cmp, copy_virtual_operands,
717 create_ssa_artificial_load_stmt, add_to_addressable_set,
718 gimple_add_to_addresses_taken): Remove public functions.
719 (unlink_stmt_vdef): New function.
721 2009-04-03 Alan Modra <amodra@bigpond.net.au>
723 * config.gcc (powerpc-*-linux*): Merge variants.
725 2009-04-02 Chao-ying Fu <fu@mips.com>
726 James Grosbach <james.grosbach@microchip.com>
728 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
729 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
731 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
732 keep_interrupts_masked_p, use_debug_exception_return_p.
733 (mips_attribute_table): Add interrupt, use_shadow_register_set,
734 keep_interrupts_masked, use_debug_exception_return.
735 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
736 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
738 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
739 (mips_print_operand): Process COP0 registers to print $0 .. $31
740 correctly for GAS to process.
741 (mips_interrupt_extra_call_saved_reg_p): New function.
742 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
744 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
745 (mips_compute_frame_info): Add supports for interrupt context that
746 includes doubleword accumulators and COP0 registers.
747 (mips_for_each_saved_acc): New function.
748 (mips_for_each_saved_gpr_and_fpr): Change the function name from
749 mips_for_each_saved_reg.
750 (mips_save_reg): Save accumulators.
751 (mips_kernel_reg_p): A new for_each_rtx callback.
752 (mips_expand_prologue): Support interrupt handlers.
753 (mips_restore_reg): Restore accumulators.
754 (mips_expand_epilogue): Support interrupt handlers.
755 (mips_can_use_return_insn): Return false for interrupt handlers.
756 (mips_epilogue_uses): New function.
757 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
758 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
759 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
760 cop0_move): New instructions.
761 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
762 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
764 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
766 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
767 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
768 interrupt handlers, we use K0 as the temporary register.
769 (EPILOGUE_USES): Change to a function call.
770 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
771 handlers, we use K0 as the temporary register.
773 * doc/extend.texi (Function Attributes): Document interrupt,
774 use_shadow_register_set, keep_interrupts_masked,
775 use_debug_exception_return for MIPS attributes.
777 2009-04-03 Alan Modra <amodra@bigpond.net.au>
779 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
780 Remove a number of t-files from tmake_file.
781 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
782 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
783 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
784 target_prototype, not TARGET_PROTOTYPE.
785 (LINK_OS_GNU_SPEC): Define.
786 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
787 and darwin-ldoubdle.c.
789 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
792 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
793 (cpp_options): Ditto.
794 (default_compilers): Ditto.
795 (display_help): Ditto.
796 (process_command): Ditto.
798 (set_input): Use lbasename instead of duplicate code.
799 (save_temps_prefix): New static for -save-temps=obj.
800 (save_temps_length): Ditto.
802 * doc/invoke.texi (-save-temps=obj): Document new variant to
805 2009-04-02 Jeff Law <law@redhat.com>
807 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
810 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
812 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
813 * configure: Regenerated.
815 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
817 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
818 share the argument list.
820 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
824 2009-02-12 Diego Novillo <dnovillo@google.com>
826 * varpool.c (debug_varpool): New.
827 * cgraph.h (debug_varpool): Declare.
829 2009-04-02 Jan Hubicka <jh@suse.cz>
831 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
834 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
836 * config/i386/i386.c (ix86_abi): Move initialization to ...
837 (override_options): Here.
839 2009-04-02 Christian Bruel <christian.bruel@st.com>
841 * config/sh/sh.c (sh_dwarf_register_span): New function.
842 (TARGET_DWARF_REGISTER_SPAN): Define.
843 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
845 2009-04-02 Ira Rosen <irar@il.ibm.com>
847 PR tree-optimization/39595
848 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
849 interleaved loads group is not greater than the SLP group size.
851 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
853 * builtins.c (is_builtin_name): New.
854 (called_as_built_in): Use is_builtin_name.
855 * tree.h (is_builtin_name): New.
856 * varasm.c (incorporeal_function_p): Use is_builtin_name
858 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
860 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
862 2009-04-02 Dodji Seketeli <dodji@redhat.com>
865 * c-decl.c: (clone_underlying_type): Move this ...
866 * c-common.c (set_underlying_type): ... here.
867 Also, make sure the function properly sets TYPE_STUB_DECL() on
868 the newly created typedef variant type.
869 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
870 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
872 2009-04-02 Richard Guenther <rguenther@suse.de>
874 PR tree-optimization/37221
875 * tree-flow.h (degenerate_phi_result): Declare.
876 * tree-ssa-dom.c (degenerate_phi_result): Export.
877 * tree-scalar-evolution.c (analyze_initial_condition): If
878 the initial condition is defined by a degenerate PHI node
879 use the degenerate value.
881 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
883 PR rtl-optimization/39588
884 * combine.c (merge_outer_ops): Do not set the constant when this
886 (simplify_shift_const_1): Do not modify it either in this case.
888 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
890 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
891 tuning is deprecated if -mtune value is set to an Itanium1 variant.
893 2009-04-01 Janis Johnson <janis187@us.ibm.com>
896 * c-lex.c (interpret_float): Default (no suffix) is double.
898 2009-04-1 Xinliang David Li <davidxl@google.com>
900 * config/i386/i386.c (legitimate_constant_p): Recognize
901 all one vector constant.
903 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
905 * gcc/config/vax/vax.c: Add #includes to silence warnings.
906 Change #include order to silence two warnings.
908 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
910 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
911 (ASM_SPEC): Pass -k to the assembler for PIC code.
913 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
915 * gcc/config.gcc: Add vax-*-linux* to the switch.
916 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
917 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
919 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
921 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
922 Use predicate macros instead of GET_CODE() == foo.
923 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
924 ashlsi3, rotrsi3, <unnamed>): Likewise.
926 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
928 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
929 jbbccihi, jbbccisi): Remova trailing whitespace.
930 * gcc/config/vax/constraints.md: Likewise.
931 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
932 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
933 * gcc/config/vax/predicates.md: Likewise.
934 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
935 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
936 * gcc/config/vax/vax.h: Likewise.
937 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
939 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
941 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
942 (indirectable_address_p, adjacent_operands_p): Add spaces around
944 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
946 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
948 * gcc/config/vax/vax.c (legitimate_constant_address_p,
949 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
950 index_term_p, reg_plus_index_p, legitimate_address_p,
951 vax_mode_dependent_address_p): Update comments to match functions
952 modified by the recent int->bool conversion.
954 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
956 * gcc/config/vax/builtins.md: Update copyright message.
957 * gcc/config/vax/constraints.md: Likewise.
958 * gcc/config/vax/netbsd-elf.h: Likewise.
959 * gcc/config/vax/predicates.md: Likewise.
960 * gcc/config/vax/vax-protos.h: Likewise.
961 * gcc/config/vax/vax.c: Likewise.
962 * gcc/config/vax/vax.h: Likewise.
963 * gcc/config/vax/vax.md: Likewise.
964 * gcc/config/vax/vax.opt: Likewise.
966 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
968 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
969 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
970 * gcc/config/vax/constraints.md (B, R): Likewise.
971 * gcc/config/vax/predicates.md (external_memory_operand,
972 nonimmediate_addsub_di_operand): Likewise.
973 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
974 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
975 untyped_call): Likewise.
977 2009-04-01 Matt Thomas <matt@3am-software.com>
979 * config/vax/predicates.md: New file. (symbolic_operand,
980 local_symbolic_operand, external_symbolic_operand,
981 external_const_operand, nonsymbolic_operand, external_memory_operand,
982 indirect_memory_operand, indexed_memory_operand,
983 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
984 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
986 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
987 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
988 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
989 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
990 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
991 * config/vax/vax.opt (mqmath): Add option.
992 * config/vax/vax.md (isfx): Extend with DI.
993 (VAXintQH, VAXintQHSD): Define.
994 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
995 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
996 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
997 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
998 (movdi): Update constraints and use vax_output_int_move().
999 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1000 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1001 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1002 nonlocal_goto): New.
1003 (mov<mode>): Extend accepted operand types.
1004 (subdi3_old): Rename from subdi3, change update constraints and use
1005 a new implementation.
1006 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1007 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1008 MOVE_RATIO, CLEAR_RATIO): Define.
1009 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1010 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1011 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1012 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1013 (split_quadword_operands): Make static and really allow variable
1015 (print_operand_address): Update for PIC generation.
1016 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1017 indexable_address_p, fixup_mathdi_operand,
1018 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1019 (vax_float_literal, legitimate_constant_p,
1020 indirectable_constant_address_p, index_term_p,
1021 reg_plus_index_p): Return bool instead of int.
1022 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1024 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1026 (vax_output_conditional_branch): Indent.
1027 (legitimate_constant_address_p, indirectable_constant_address_p,
1028 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1029 vax_mode_dependent_address_p): Return bool instead of int, update for
1031 * config/vax/vax-protos.h (legitimate_constant_address_p,
1032 legitimate_constant_p, legitimate_address_p,
1033 vax_mode_dependent_address_p): Change declaration to bool.
1034 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1035 vax_expand_addsub_di_operands, vax_output_int_subtract,
1036 vax_output_movmemsi): Declare.
1037 (split_quadword_operands, vax_float_literal): Delete declaration.
1038 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1039 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1040 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1041 ASM_OUTPUT_DWARF_PCREL): Define.
1042 (ASM_SPEC): Change definition to allow PIC generation.
1044 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1047 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1048 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1049 (booldi3_internal3): Use boolean_or_operator instead of
1052 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1055 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1056 declarator whose size is not an integer constant expression but
1057 folds to an integer constant, then treat it as a constant
1060 2009-04-01 Richard Guenther <rguenther@suse.de>
1062 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1063 i * 4 + 2 to (i * 2 + 1) * 2.
1065 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1068 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1069 return if c_parser_asm_string_literal returned NULL.
1071 2009-04-01 Nick Clifton <nickc@redhat.com>
1073 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1075 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1076 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1077 other typedefs to avoid conflicts with libgcc2.c. Define labels
1078 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1080 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1081 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1084 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1086 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1088 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1089 Andrey Galkin <agalkin@hypercom.com>
1092 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1093 Make object_name unique for each process.
1095 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1098 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1099 addressable variables in the parallel that could go out of scope while
1100 running queued tasks.
1102 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1104 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1105 (CASE_VALUES_THRESHOLD): Redefine.
1106 * config/avr/avr.c (avr_override_options): Remove initialization of
1107 avr_case_values_threshold variable.
1108 (avr_case_values_threshold): Remove variable. Add new function.
1109 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1110 * config/avr/avr.opt (mno-tablejump): Remove option.
1111 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1113 2009-04-01 DJ Delorie <dj@redhat.com>
1115 * varasm.c (default_function_rodata_section): Don't assume
1116 anything about where the first '.' in the section name is.
1118 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1120 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1121 rs6000_emit_stack_tie.
1123 2009-03-31 Ian Lance Taylor <iant@google.com>
1125 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1126 gimple_code with GIMPLE_RESX, not RESX.
1128 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1130 * c-common.c (c_get_ident): New.
1131 (c_common_nodes_and_builtins): Call it for type names that may be
1134 2009-04-01 Ben Elliston <bje@au.ibm.com>
1136 * config/rs6000/sysv4.opt (msdata): Improve option description.
1138 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1140 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1141 (divdf3_internal_lat): Remove.
1142 (divxf3_internal_lat): Remove.
1143 (divxf3_internal_thr): Remove.
1144 (divxf): Use divxf3_internal.
1145 * config/ia64/div.md (divsf3_internal_lat): New.
1146 (divdf3_internal_lat): New.
1147 (divxf3_internal): New.
1149 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1152 * Makefile.in (USE_GCC_STDINT): Define.
1153 (stmp-int-hdrs): Install stdint.h if applicable.
1154 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1156 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1157 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1158 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1159 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1160 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1161 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1162 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1163 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1164 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1165 (c_common_nodes_and_builtins): Initialize
1166 underlying_wchar_type_node. Do not initialize
1167 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1168 nodes for new types.
1169 (c_stddef_cpp_builtins): Define macros for new types.
1170 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1172 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1173 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1174 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1175 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1176 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1177 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1178 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1179 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1180 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1181 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1182 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1183 int16_type_node, int32_type_node, int64_type_node,
1184 uint8_type_node, uint16_type_node, c_uint32_type_node,
1185 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1186 int_least32_type_node, int_least64_type_node,
1187 uint_least8_type_node, uint_least16_type_node,
1188 uint_least32_type_node, uint_least64_type_node,
1189 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1190 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1191 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1192 uintptr_type_node): Define.
1193 * c-cppbuiltin.c (builtin_define_constants,
1194 builtin_define_type_minmax): New.
1195 (builtin_define_stdint_macros): Define more macros.
1196 (c_cpp_builtins): Define more limit macros.
1198 (builtin_define_type_max): Define in terms of
1199 builtin_define_type_minmax. Remove is_long parameter. All
1201 * config.gcc (use_gcc_stdint): Define.
1202 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1203 Add newlib-stdint.h for generic targets.
1204 * config/glibc-stdint.h, config/newlib-stdint.h,
1205 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1206 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1207 * config/score/score.h (UINTPTR_TYPE): Define.
1208 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1209 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1210 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1211 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1212 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1213 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1214 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1215 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1216 * config/spu/spu.h (STDINT_LONG32): Define.
1217 * configure.ac (use_gcc_stdint): Substitute.
1218 * configure: Regenerate.
1219 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1220 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1221 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1222 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1223 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1224 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1225 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1226 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1227 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1228 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1229 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1230 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1231 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1232 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1233 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1234 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1235 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1236 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1237 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1238 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1239 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1240 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1241 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1242 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1243 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1244 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1245 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1246 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1247 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1249 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1251 * loop-iv.c (suitable_set_for_replacement): Renamed from
1252 simplify_using_assignment; changed to return bool and to accept new
1253 args DEST and SRC. Return true iff we find a source/destination pair
1254 that can be used to make a replacement, and fill SRC and DEST if so.
1255 Remove arg ALTERED. Don't deal with altered regs here. All callers
1257 (simplify_using_initial_values): Deal with altered regs here and track
1258 more precisely the effect they have on the validity of our expression.
1260 * loop-iv.c (simplify_using_condition): A condition of the form
1261 (EQ REG CONST) can be used to simply make a substitution.
1262 (simplify_using_initial_values): Keep track of conditions we have seen
1263 and keep using them to simplify new expressions, while applying the
1264 same substitutions to them as to the expression.
1266 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1267 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1270 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1271 changed. Use this when trying to improve the upper bound.
1272 Generate the comparison by using simplify_gen_relational.
1274 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1276 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1278 (simplify_using_assignment, simplify_using_initial_values): Call
1279 replace_in_expr to make replacements. Call replace_single_def_regs
1280 once on the initial version of the expression.
1282 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1285 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1287 2009-03-31 Richard Guenther <rguenther@suse.de>
1290 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1291 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1293 2009-03-31 Richard Guenther <rguenther@suse.de>
1295 * tree.h (div_if_zero_remainder): Declare.
1296 * fold-const.c (div_if_zero_remainder): Export.
1297 * tree-ssa-forwprop.c
1298 (forward_propagate_addr_into_variable_array_index): Handle
1299 constant array index addition outside of the variable index.
1301 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1304 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1305 define_splits, floatunssi<mode>2): Require x87 conversions from
1306 DImode to be permitted.
1308 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1310 PR preprocessor/15638
1311 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1313 2009-03-31 Richard Guenther <rguenther@suse.de>
1317 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1318 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1319 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1320 a separate statement.
1321 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1322 (lookup_tmp_var): Likewise.
1323 (is_gimple_formal_tmp_or_call_rhs): Remove.
1324 (is_gimple_reg_or_call_rhs): Rename to ...
1325 (is_gimple_reg_rhs_or_call): ... this.
1326 (is_gimple_mem_or_call_rhs): Rename to ...
1327 (is_gimple_mem_rhs_or_call): ... this.
1328 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1329 DECL_GIMPLE_REG_P only if is_formal is true.
1330 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1331 for non-proper post-modify expression gimplification.
1332 (gimplify_self_mod_expr): For post-modify expressions gimplify
1333 the lvalue to a minimal lvalue.
1334 (rhs_predicate_for): Remove formal temp case.
1335 (gimplify_modify_expr_rhs): Likewise.
1336 (gimplify_addr_expr): Use is_gimple_reg.
1337 (gimplify_expr): Remove formal temp cases.
1338 (gimple_regimplify_operands): Likewise.
1339 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1340 and FILTER_EXPR like constants.
1341 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1343 (is_gimple_formal_tmp_rhs): Remove.
1344 (is_gimple_reg_rhs): Remove special casing.
1345 (is_gimple_mem_rhs): Fix.
1346 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1347 (is_gimple_formal_tmp_var): Remove.
1348 (is_gimple_formal_tmp_reg): Likewise.
1349 (is_gimple_min_lval): Allow invariant component ref parts.
1350 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1351 is_gimple_formal_tmp_reg): Remove declarations.
1352 * tree-cfg.c (verify_expr): Verify that variables with address
1353 taken do not have DECL_GIMPLE_REG_P set.
1354 * tree-mudflap.c (mf_build_check_statement_for): Use
1355 force_gimple_operand instead of gimplify_expr.
1357 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1359 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1360 schedulable rows to compute_split_row.
1362 2009-03-31 Ben Elliston <bje@au.ibm.com>
1365 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1368 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1370 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1371 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1372 * configure: Regenerate.
1373 * config.in: Regenerate.
1374 * config/rs6000/rs6000.opt (mtls-markers): Add.
1375 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1376 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1377 (tls_ld_aix, tls_ld_sysv): Likewise.
1378 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1379 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1381 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1383 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1385 2009-03-30 Jan Hubicka <jh@suse.cz>
1387 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1389 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1390 detection and label handling.
1392 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1394 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1395 left_conflicts_size.
1396 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1397 ALLOCNO_LEFT_CONFLICTS_SIZE.
1399 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1400 remove_allocno_from_bucket_and_push,
1401 allocno_spill_priority_compare, push_allocnos_to_stack,
1402 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1403 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1404 (setup_allocno_left_conflicts_num): Ditto. Rename to
1405 setup_allocno_left_conflicts_size.
1406 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1407 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1408 setup_allocno_left_conflicts_size instead of
1409 setup_allocno_left_conflicts_num.
1411 * ira-build.c (ira_create_allocno): Use
1412 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1413 ALLOCNO_LEFT_CONFLICTS_NUM.
1415 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1417 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1418 instead of DF_LR_OUT.
1420 * ira-lives.c (process_bb_node_lives): Ditto.
1422 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1423 instead of DF_LR_{OUT,IN}.
1425 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1427 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1429 2009-03-30 Jan Hubicka <jh@suse.cz>
1431 * except.c (label_to_region_map): Fix thinko.
1433 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1436 * tree.h (tree_find_value): New declaration.
1437 * tree.c (tree_find_value): New function.
1438 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1440 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1443 * c-decl.c (struct c_binding): Add locus field.
1444 (bind): Add locus argument, set locus field from it.
1445 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1446 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1447 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1448 implicitly_declare, undeclared_variable, lookup_label,
1449 declare_label, c_make_fname_decl, c_builtin_function,
1450 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1453 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1456 * config/i386/i386.c (classify_argument): Check total size of
1459 2009-03-30 Martin Jambor <mjambor@suse.cz>
1461 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1462 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1463 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1466 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1467 seen_variable_array_ref while also traversing a union.
1469 * tree-inline.c (optimize_inline_calls): Do not call
1470 cgraph_node_remove_callees.
1471 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1472 (pass_remove_cgraph_callee_edges): New variable.
1473 * passes.c (init_optimization_passes): Add
1474 pass_remove_cgraph_callee_edges after early inlining and before all
1475 late intraprocedural passes.
1477 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1479 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1481 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1484 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1486 * combine.c (simplify_comparison): Use have_insn_for.
1487 * dojump.c (do_jump): Likewise.
1489 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1491 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1492 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1493 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1494 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1495 instead of sparc_compare_emitted.
1496 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1497 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1498 instead of sparc_compare_emitted.
1500 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1502 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1503 enter/exit cfglayout mode.
1504 (pass_partition_block): Require it.
1505 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1506 (combine_instructions): Track basic blocks instead of labels.
1507 (update_cfg_for_uncondjump): New.
1508 (try_combine): Use it. Update jumps after rescanning.
1509 (pass_combine): Require PROP_cfglayout.
1510 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1512 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1514 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1515 Provide/destroy PROP_cfglayout respectively.
1516 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1517 * tree-pass.h (PROP_cfglayout): New.
1519 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1521 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1522 fold_convert_const_fixed_from_fixed,
1523 fold_convert_const_fixed_from_int,
1524 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1525 set TREE_CONSTANT_OVERFLOW.
1526 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1527 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1529 2009-03-30 Ira Rosen <irar@il.ibm.com>
1531 * tree-vect-loop-manip.c: New file.
1532 * tree-vectorizer.c: Update documentation and included files.
1533 (vect_loop_location): Make extern.
1534 (rename_use_op): Move to tree-vect-loop-manip.c
1535 (rename_variables_in_bb, rename_variables_in_loop,
1536 slpeel_update_phis_for_duplicate_loop,
1537 slpeel_update_phi_nodes_for_guard1,
1538 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1539 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1540 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1541 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1542 find_loop_location): Likewise.
1543 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1544 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1545 get_vectype_for_scalar_type, vect_is_simple_use,
1546 supportable_widening_operation, supportable_narrowing_operation):
1548 (bb_in_loop_p): Move to tree-vect-loop.c.
1549 (new_loop_vec_info, destroy_loop_vec_info,
1550 reduction_code_for_scalar_code, report_vect_op,
1551 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1552 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1553 (vect_supportable_dr_alignment): Likewise.
1554 * tree-vectorizer.h (tree-data-ref.h): Include.
1555 (vect_loop_location): Declare.
1556 Reorganize function declarations according to the new file structure.
1557 * tree-vect-loop.c: New file.
1558 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1559 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1560 * tree-vect-data-refs.c: New file.
1561 * tree-vect-patterns.c (timevar.h): Don't include.
1562 * tree-vect-stmts.c: New file.
1563 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1564 tree-vect-slp.c, tree-vect-loop.c.
1565 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1566 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1567 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1568 (tree-vect-analyze.o): Remove.
1569 (tree-vect-transform.o): Likewise.
1570 (tree-vect-data-refs.o): Add rule.
1571 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1572 tree-vect-slp.o): Likewise.
1573 (tree-vect-patterns.o): Remove redundant dependencies.
1574 (tree-vectorizer.o): Likewise.
1575 * tree-vect-slp.c: New file.
1577 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1579 * optc-gen.awk: Warn if an option flag has multiple different
1582 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1584 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1585 -floop-block): Document dependences on PPL, CLooG and Graphite.
1587 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1589 PR rtl-optimization/323
1590 * c-common.c (c_fully_fold, convert_and_check,
1591 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1592 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1593 * c-common.def (EXCESS_PRECISION_EXPR): New.
1594 * c-cppbuiltin.c (builtin_define_float_constants): Define
1595 constants with enough digits for long double.
1596 * c-lex.c (interpret_float): Interpret constant with excess
1597 precision where appropriate.
1598 * c-opts.c (c_common_post_options): Set
1599 flag_excess_precision_cmdline. Give an error for
1600 -fexcess-precision=standard for C++ for processors where the
1601 option is significant.
1602 * c-parser.c (c_parser_conditional_expression): Handle excess
1603 precision in condition.
1604 * c-typeck.c (convert_arguments): Handle arguments with excess
1606 (build_unary_op): Move excess precision outside operation.
1607 (build_conditional_expr): Likewise.
1608 (build_compound_expr): Likewise.
1609 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1610 (build_modify_expr): Handle excess precision in RHS.
1611 (convert_for_assignment): Handle excess precision in converted
1613 (digest_init, output_init_element, process_init_element): Handle
1614 excess precision in initializer.
1615 (c_finish_return): Handle excess precision in return value.
1616 (build_binary_op): Handle excess precision in operands and add
1617 excess precision as needed for operation.
1618 * common.opt (-fexcess-precision=): New option.
1619 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1620 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1621 For standard excess precision, output explicit conversion to and
1622 truncation from XFmode.
1623 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1624 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1625 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1626 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1627 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1628 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1629 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1630 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1631 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1632 define_splits, sqrt<mode>2): Disable where appropriate for
1633 standard excess precision.
1634 * convert.c (convert_to_real): Do not shorten arithmetic to type
1635 for which excess precision would be used.
1636 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1637 * doc/invoke.texi (-fexcess-precision=): Document option.
1638 (-mfpmath=): Correct index entry.
1639 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1640 flag_excess_precision): New.
1641 * langhooks.c (lhd_post_options): Set
1642 flag_excess_precision_cmdline.
1643 * opts.c (common_handle_option): Handle -fexcess-precision=.
1644 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1645 init_excess_precision): New.
1646 (lang_dependent_init_target): Call init_excess_precision.
1647 * tree.c (excess_precision_type): New.
1648 * tree.h (excess_precision_type): Declare.
1650 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1653 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1654 non-lvalue to component.
1656 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1658 PR preprocessor/34695
1659 * Makefile.in (c-opts.o): Depend on c-tree.h.
1660 * c-common.c: Move down include of diagnostic.h.
1661 (done_lexing, c_cpp_error): New.
1662 * c-common.h (done_lexing): Declare.
1663 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1665 * c-opts.c: Include c-tree.h.
1666 (c_common_init_options): Set preprocessor error callback.
1667 (c_common_handle_option): Do not set preprocessor
1668 inhibit_warnings, warnings_are_errors, warn_system_headers,
1669 pedantic_errors or inhibit_warnings flags.
1670 (c_common_post_options): Do not check cpp_errors (parse_in).
1671 (c_common_finish): Do not output dependencies if there were
1672 errors. Do not check return value of cpp_finish.
1673 * c-ppoutput.c (pp_file_change): Set input_location.
1674 * c-tree.h (c_cpp_error): Declare.
1675 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1677 (diagnostic_build_prefix): Check override_column.
1678 * diagnostic.h (diagnostic_info): Add override_column field.
1679 (diagnostic_override_column): Define.
1681 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1683 * c-common.c (c_expand_expr, c_staticp): Remove.
1684 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1685 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1686 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1687 * c-gimplify.c (gimplify_compound_literal_expr,
1688 optimize_compound_literals_in_ctor): Remove.
1689 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1690 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1691 * c-semantics.c (emit_local_var): Remove.
1693 * langhooks-def.h (lhd_expand_expr): Remove.
1694 * langhooks.c (lhd_expand_expr): Remove.
1695 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1697 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1698 handling from c-semantics.c; don't call into langhook.
1699 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1700 * gimplify.c (gimplify_compound_literal_expr,
1701 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1702 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1703 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1704 as was done in c-gimplify.c.
1705 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1706 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1707 Move from c-common.h.
1708 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1710 * tree.c (staticp): Do not call langhook.
1711 * langhooks.c (lhd_staticp): Delete.
1712 * langhooks-def.h (lhd_staticp): Delete prototype.
1713 (LANG_HOOKS_STATICP): Delete.
1714 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1716 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1717 instead of DECL_STMTs.
1719 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1727 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1729 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1730 contained expression.
1731 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1732 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1733 conditional expressions for C.
1734 (decl_constant_value_for_optimization): Move from
1735 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1736 whether optimizing and that the expression is a VAR_DECL not of
1737 array type instead of doing such checks in the caller. Do not
1738 check pedantic. Call gcc_unreachable for C++.
1739 * c-common.def (C_MAYBE_CONST_EXPR): New.
1740 * c-common.h (c_fully_fold, c_save_expr,
1741 decl_constant_value_for_optimization): New prototypes.
1742 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1743 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1744 EXPR_INT_CONST_OPERANDS): Define.
1745 * c-convert.c (convert): Strip nops from expression.
1746 * c-decl.c (groktypename): Take extra parameters expr and
1747 expr_const_operands. Update call to grokdeclarator.
1748 (start_decl): Update call to grokdeclarator. Add statement for
1749 expressions used in type of decl.
1750 (grokparm): Update call to grokdeclarator.
1751 (push_parm_decl): Update call to grokdeclarator.
1752 (build_compound_literal): Add parameter non_const and build a
1753 C_MAYBE_COSNT_EXPR if applicable.
1754 (grokdeclarator): Take extra parameters expr and
1755 expr_const_operands. Track expressions used in declaration
1756 specifiers and declarators. Fold array sizes and track whether
1757 they are constant expressions and whether they are integer
1758 constant expressions.
1759 (parser_xref_tag): Set expr and expr_const_operands fields in
1761 (grokfield): Update call to grokdeclarator.
1762 (start_function): Update call to grokdeclarator.
1763 (build_null_declspecs): Set expr and expr_const_operands fields in
1765 (declspecs_add_type): Handle expressions in typeof specifiers.
1766 * c-parser.c (c_parser_declspecs): Set expr and
1767 expr_const_operands fields for declaration specifiers.
1768 (c_parser_enum_specifier): Likewise.
1769 (c_parser_struct_or_union_specifier): Likewise.
1770 (c_parser_typeof_specifier): Likewise. Update call to
1771 groktypename. Fold expression as needed. Return expressions with
1772 type instead of adding statements.
1773 (c_parser_attributes): Update calls to c_parser_expr_list.
1774 (c_parser_statement_after_labels): Fold expression before passing
1775 to objc_build_throw_stmt.
1776 (c_parser_condition): Fold expression.
1777 (c_parser_asm_operands): Fold expression.
1778 (c_parser_conditional_expression): Use c_save_expr. Update call
1779 to build_conditional_expr.
1780 (c_parser_alignof_expression): Update call to groktypename.
1781 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1782 original_code. Fold expression argument of va_arg. Create
1783 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1784 argument to va_arg. Update calls to groktypename. Fold array
1785 index for offsetof. Verify that first argument to
1786 __builtin_choose_expr has integer type.
1787 (c_parser_postfix_expression_after_paren_type): Update calls to
1788 groktypename and build_compound_literal. Handle expressions with
1789 side effects in type name.
1790 (c_parser_postfix_expression_after_primary): Update call to
1791 c_parser_expr_list. Set original_code for calls to
1792 __builtin_constant_p.
1793 (c_parser_expr_list): Take extra parameter fold_p. Fold
1794 expressions if requested.
1795 (c_parser_objc_type_name): Update call to groktypename.
1796 (c_parser_objc_synchronized_statement): Fold expression.
1797 (c_parser_objc_receiver): Fold expression.
1798 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1799 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1800 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1801 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1802 (struct c_typespec): Add elements expr and expr_const_operands.
1803 (struct c_declspecs): Add elements expr and expr_const_operands.
1804 (groktypename, build_conditional_expr, build_compound_literal):
1806 (in_late_binary_op): Declare.
1807 * c-typeck.c (note_integer_operands): New function.
1808 (in_late_binary_op): New variable.
1809 (decl_constant_value_for_broken_optimization): Move to c-common.c
1810 and rename to decl_constant_value_for_optimization.
1811 (default_function_array_conversion): Do not strip nops.
1812 (default_conversion): Do not call
1813 decl_constant_value_for_broken_optimization.
1814 (build_array_ref): Do not fold result.
1815 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1816 result when operand is a VLA.
1817 (c_expr_sizeof_type): Update call to groktypename. Handle
1818 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1819 result when operand names a VLA type.
1820 (build_function_call): Update call to build_compound_literal.
1821 Only fold result for calls to __builtin_* functions. Strip
1822 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1823 the function designator.
1824 (convert_arguments): Fold arguments. Update call to
1825 convert_for_assignment.
1826 (build_unary_op): Handle increment and decrement of
1827 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1828 decrement earlier. Fold operand of increment and decrement.
1829 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1830 built for integer operand. Wrap returns that are INTEGER_CSTs
1831 without being integer constant expressions or that have integer
1832 constant operands without being INTEGER_CSTs.
1833 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1834 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1835 result is an integer constant expression or can be used in
1836 unevaluated parts of one and avoid folding and wrap as
1837 appropriate. Fold operands before possibly doing -Wsign-compare
1839 (build_compound_expr): Wrap result for C99 if operands can be used
1840 in integer constant expressions.
1841 (build_c_cast): Update call to digest_init. Do not ignore
1842 overflow from casting floating-point constants to integers. Wrap
1843 results that could be confused with integer constant expressions,
1844 null pointer constants or floating-point constants.
1845 (c_cast_expr): Update call to groktypename. Handle expressions
1846 included in type name.
1847 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1848 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1849 Update calls to convert_for_assignment.
1850 (convert_for_assignment): Take new parameter
1851 null_pointer_constant. Do not strip nops or call
1852 decl_constant_value_for_broken_optimization. Set
1853 in_late_binary_op for conversions to boolean.
1854 (store_init_value): Update call to digest_init.
1855 (digest_init): Take new parameter null_pointer_constant. Do not
1856 call decl_constant_value_for_broken_optimization. pedwarn for
1857 initializers not constant expressions. Update calls to
1858 convert_for_assignment.
1859 (constructor_nonconst): New.
1860 (struct constructor_stack): Add nonconst element.
1861 (really_start_incremental_init, push_init_level, pop_init_level):
1862 Handle constructor_nonconst and nonconst element.
1863 (set_init_index): Call constant_expression_warning for array
1865 (output_init_element): Fold value. Set constructor_nonconst as
1866 applicable. pedwarn for initializers not constant expressions.
1867 Update call to digest_init. Call constant_expression_warning
1868 where constant initializers are required.
1869 (process_init_element): Use c_save_expr.
1870 (c_finish_goto_ptr): Fold expression.
1871 (c_finish_return): Fold return value. Update call to
1872 convert_for_assignment.
1873 (c_start_case): Fold switch expression.
1874 (c_process_expr_stmt): Fold expression.
1875 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1876 ensure statement expression is not evaluated in constant expression.
1877 (build_binary_op): Track whether results are integer constant
1878 expressions or may occur in such, disable folding and wrap results
1879 as applicable. Fold operands for -Wsign-compare warnings unless
1881 (c_objc_common_truthvalue_conversion): Handle results folded to
1882 integer constants that are not integer constant expressions.
1883 * doc/extend.texi: Document when typeof operands are evaluated,
1884 that condition of __builtin_choose_expr is an integer constant
1885 expression, and more about use of __builtin_constant_p in
1888 2009-03-29 Richard Guenther <rguenther@suse.de>
1890 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1891 propagate addresses of array references.
1893 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1895 * regmove.c (perhaps_ends_bb_p): Remove.
1896 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1897 from INSN and check that the main loop stays within that basic block.
1898 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1899 (regmove_forward_pass): Split out from regmove_optimize. Use
1900 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1901 (regmove_backward_pass): Split out from regmove_optimize. Use
1902 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1903 (regmove_optimize): Simplify.
1905 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1908 * config/i386/i386.c (classify_argument): Ignore flexible array
1909 member in struct and warn ABI change.
1911 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1913 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1915 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1916 (ix86_adjust_cost): Updated.
1918 2009-03-29 Jan Hubicka <jh@suse.cz>
1921 * tree-pass.h (pass_cleanup_eh): New function.
1922 (remove_unreachable_regions): Break code handling RTL
1923 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1924 that can not be reached by runtime.
1925 (can_be_reached_by_runtime): New function.
1926 (label_to_region_map): New function.
1927 (num_eh_regions): New function.
1928 (rtl_remove_unreachable_regions): New function.
1929 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1930 (remove_eh_region): New function.
1931 * except.h: Include sbitmap and vecprim.
1932 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1933 num_eh_regions): Declare.
1934 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1935 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1936 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1937 (tree_empty_eh_handler_p): New function.
1938 (cleanup_empty_eh): New function.
1939 (cleanup_eh): New function.
1940 (pass_cleanup_eh): New function.
1942 2009-03-29 Jan Hubicka <jh@suse.cz>
1944 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1945 for removed regions.
1947 2009-03-29 Jan Hubicka <jh@suse.cz>
1949 * except.c (dump_eh_tree): Dump all datastructures.
1951 2009-03-29 Jan Hubicka <jh@suse.cz>
1953 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1954 (duplicate_eh_regions_1): Likewise.
1955 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1956 vector; call EH verification.
1957 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1958 Be ready for region being removed.
1960 2009-03-29 Jan Hubicka <jh@suse.cz>
1962 * bitmap.c (bitmap_last_set_bit): New function.
1963 * bitmap.h (bitmap_last_set_bit): Declare.
1965 2009-03-29 David Ayers <ayers@fsfe.org>
1968 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1969 by calling objc_compare_types and surpress warnings about
1970 incompatible C pointers that are compatible ObjC pointers.
1972 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1974 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1975 call initialize_inline_failed.
1976 (initialize_inline_failed): Move it from here ...
1977 * cgraph.c (initialize_inline_failed): ... to here.
1978 (cgraph_create_edge): Call initialize_inline_failed rather than
1979 setting inline_failed directly.
1981 2009-03-29 Ben Elliston <bje@au.ibm.com>
1984 * sysv4.opt (msdata): Improve comment.
1985 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1986 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1988 2009-03-29 Ben Elliston <bje@au.ibm.com>
1991 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1992 load and store attributes.
1994 2009-03-29 Ben Elliston <bje@au.ibm.com>
1996 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1997 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1998 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1999 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2000 __builtin_infq and __builtin_huge_valq.
2002 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2004 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2006 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2007 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2009 2009-03-28 Xinliang David Li <davidxl@google.com>
2011 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2012 (do_dbg_cnt): New function.
2014 2009-03-28 Jan Hubicka <jh@suse.cz>
2016 Merge from pretty-ipa:
2018 2009-03-27 Jan Hubicka <jh@suse.cz>
2020 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2021 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2022 * passes.c (function_called_by_processed_nodes_p): New.
2023 * ipa-pure-const.c (check_call): Fix handling of operands.
2024 (analyze_function): Dump debug output for skipped bodies.
2025 (local_pure_const): Use function_called_by_processed_nodes_p.
2026 * dwarf2out.c (reference_to_unused): Use output.
2027 * passes.c (do_per_function_toporder): Likewise.
2029 2008-11-12 Jan Hubicka <jh@suse.cz>
2031 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2032 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2033 state_set_in_source enum
2034 (check_decl): Ignore memory tags; do not set fake looping flags;
2036 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2037 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2038 (check_call, analyze_function): Rewrite.
2040 (add_new_function): Update call of analyze_function.
2041 (generate_summary): Add call of analyze_function.
2042 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2043 (local_pure_const): New function.
2044 (pass_local_pure_const): New pass.
2045 * ipa-inline.c (inline_transform): Set after_inlining.
2046 * tree-eh.c (stmt_can_throw_external): New.
2047 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2048 work with aliasing built.
2049 * tree-flow.h (stmt_can_throw_external): New.
2050 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2051 and local pure/const pass in early and late optimization queue.
2053 2009-03-28 Martin Jambor <mjambor@suse.cz>
2055 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2057 (fold_binary): Allow function decl aligment consideration is the
2058 second argument is integer constant one.
2059 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2060 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2061 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2063 2009-03-28 Jan Hubicka <jh@suse.cz>
2065 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2066 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2067 * function.h (rtl_data): Add nothrow flag.
2068 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2069 set DECL_NOTHROW for AVAILABLE functions.
2071 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2073 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2074 following vector keyword has expansion starting with pixel or bool
2075 keyword, expand vector to __vector and pixel or bool to __pixel or
2079 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2080 warn_if_disallowed_function_p): Removed.
2081 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2082 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2083 warning_if_disallowed_function_p.
2084 * flags.h (warn_if_disallowed_function_p,
2085 warn_disallowed_functions): Removed.
2086 * common.opt (Wdisallowed-function-list=): Removed.
2087 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2089 2009-03-28 Richard Guenther <rguenther@suse.de>
2091 PR tree-optimization/38723
2092 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2095 2009-03-28 Jan Hubicka <jh@suse.cz>
2097 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2098 test introduced by my previous patch.
2100 2009-03-28 Richard Guenther <rguenther@suse.de>
2102 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2103 the PHIs value undefined.
2105 2009-03-28 Jan Hubicka <jh@suse.cz>
2107 * tree-pass.h (pass_fixup_cfg): New pass.
2108 * ipa-inline.c (inline_transform): Set
2109 always_inline_functions_inlined/after_inlining.
2110 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2111 (pass_fixup_cfg): New pass.
2112 * passes.c (init_optimization_passes): Add fixup_cfg.
2114 2009-03-28 Richard Guenther <rguenther@suse.de>
2116 PR tree-optimization/38458
2117 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2118 argument use the arguments copy-of value.
2120 2009-03-28 Richard Guenther <rguenther@suse.de>
2122 PR tree-optimization/38180
2123 * tree-ssa-ccp.c (get_default_value): Simplify.
2124 (likely_value): Likewise.
2125 (surely_varying_stmt_p): Properly handle VOP case.
2126 (ccp_initialize): Likewise.
2127 (ccp_fold): Handle propagating through *&.
2128 (fold_const_aggregate_ref): Also handle decls.
2130 2009-03-28 Jan Hubicka <jh@suse.cz>
2132 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2133 * cgraph.h (cgraph_node): Likewise.
2134 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2135 (cgraph_reset_node): Use process flag.
2136 (cgraph_mark_functions_to_output): Likewise.
2137 (cgraph_expand_function): Likewise.
2138 (cgraph_expand_all_functions): Likewise.
2139 (cgraph_output_in_order): Likewise.
2140 * dwarf2out.c (reference_to_unused): Likewise.
2141 * passes.c do_per_function_toporder): Likewise.
2143 2009-03-28 Jan Hubicka <jh@suse.cz>
2145 Bring from lto-branch:
2147 2008-09-03 Doug Kwan <dougkwan@google.com>
2149 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2150 enums instead of reason strings.
2151 * cgraph.c (cgraph_create_edge): Same.
2152 (cgraph_inline_failed_string): New function.
2153 * cgraph.h (cgraph_inline_failed_t): New enum type.
2154 (cgraph_inline_failed_string): New prototype.
2155 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2156 char pointer to cgraph_inline_failed_t.
2157 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2158 (cgraph_default_inline_p): Ditto.
2159 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2160 to cgraph_inline_failed_t pointer.
2161 * cif-code.def: New file.
2162 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2164 (cgraph_check_inline_limits): Change type of REASON to pointer to
2165 cgraph_inline_failed_t. Replace reason strings with enums.
2166 (cgraph_default_inline_p): Ditto.
2167 (cgraph_recursive_inlining_p): Ditto.
2168 (update_caller_keys): Change type of FAILED_REASON to
2169 cgraph_inline_failed_t.
2170 (cgraph_set_inline_failed): Change type of REASON to pointer to
2171 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2172 convert enums to strings for text output.
2173 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2174 to be of type cgraph_inline_failed_t. Replace reason strings with
2175 enums. Call cgraph_inline_failed_string to covert enums
2176 to strings for text output.
2177 (cgraph_decide_inlining): Replace reason strings with enums.
2178 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2179 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2181 * tree-inline.c (expand_call_inline): Change type of REASON
2182 to cgraph_inline_failed_t. Replace reason strings with enums.
2183 Call cgraph_inline_failed_string for text output.
2184 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2187 2009-03-28 Jan Hubicka <jh@suse.cz>
2189 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2190 cgraph_clone_node): Remove master clone handling.
2191 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2192 * cgraph.h (master_clone): Remove.
2193 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2194 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2195 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2197 2009-03-28 Jan Hubicka <jh@suse.cz>
2199 * cgraph.c (cgraph_function_body_availability): Functions declared
2200 inline are always safe to assume that it is not going to be replaced.
2202 2009-03-28 Richard Guenther <rguenther@suse.de>
2204 PR tree-optimization/38513
2205 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2206 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2207 EXC_PTR_EXPR and FILTER_EXPR.
2208 (get_ref_from_reference_ops): Likewise.
2210 2009-03-28 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/38968
2213 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2214 Use FLOOR_MOD_EXPR to compute misalignment.
2216 2009-03-28 Richard Guenther <rguenther@suse.de>
2218 PR tree-optimization/37795
2219 * tree.h (combine_comparisons): Declare.
2220 * fold-const.c (combine_comparisons): Export.
2221 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2223 (ifcombine_iforif): Use combine_comparisons.
2225 2009-03-28 Jan Hubicka <jh@suse.cz>
2227 * tree-eh.c (inlinable_call_p): New function.
2228 (make_eh_edges): Use it.
2229 (verify_eh_edges): Use it.
2230 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2231 * except.c (reachable_next_level): Add inlinable_function argument
2232 (sjlj_find_directly_reachable_regions): Update.
2233 (add_reachable_handler): Do not set saw_any_handlers.
2234 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2235 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2236 Add new inlinable call parameter.
2237 (can_throw_internal, can_throw_external): Update.
2238 * except.h (can_throw_internal_1, can_throw_external_1,
2239 foreach_reachable_handler): Update declaration.
2241 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2243 * config/arm/t-arm-coff, config/h8300/coff.h,
2244 config/i386/i386-aout.h, config/i386/i386-coff.h,
2245 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2246 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2247 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2248 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2249 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2250 sys-types.h: Remove.
2251 * Makefile.in: Remove protoize and fixproto support and references
2253 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2254 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2256 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2257 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2258 unprotoize$(exeext).
2259 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2260 (.PHONY): Don't depend on proto.
2261 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2262 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2263 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2264 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2265 build/gen-protos.o, build/scan.o, xsys-protos.h,
2266 build/fix-header$(build_exeext), build/fix-header.o,
2267 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2268 stmp-install-fixproto): Remove.
2269 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2270 SYSCALLS.c or fixproto files.
2271 (install-common): Don't install protoize.
2272 (install-headers-tar, install-headers-cpio, install-headers-cp):
2273 Don't depend on $(STMP_FIXPROTO).
2274 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2275 install fixproto files or write out fixproto settings.
2276 (uninstall): Don't uninstall protoize.
2277 * config.gcc (use_fixproto): Remove.
2278 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2279 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2280 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2281 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2282 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2283 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2284 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2285 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2286 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2287 * config/t-vxworks (STMP_FIXPROTO): Remove.
2288 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2289 STMP_FIXPROTO): Remove.
2290 * config.in, configure: Regenerate.
2291 * crtstuff.c (gid_t, uid_t): Don't undefine.
2292 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2293 (arm-*-coff, arm-*-aout: Remove target entries.
2294 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2295 Remove mention of AIX 4.1.
2296 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2297 * doc/invoke.texi (Running Protoize): Remove.
2298 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2299 (Protoize Caveats): Remove.
2300 * tsystem.h: Update comments on headers assumed to exist.
2302 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2304 * genautomata.c: Add a new year to the copyright. Add a new
2306 (struct insn_reserv_decl): Add comments for member bypass_list.
2307 (find_bypass): Remove.
2308 (insert_bypass): New.
2309 (process_decls): Use insert_bypass.
2310 (output_internal_insn_latency_func): Output all bypasses with the
2311 same input insn in one switch case.
2313 * rtl.def (define_bypass): Describe bypass choice.
2314 * doc/md.texi (define_bypass): Ditto.
2316 2009-03-27 Richard Guenther <rguenther@suse.de>
2318 * gimplify.c (mark_addressable): Export.
2319 * tree-flow.h (mark_addressable): Declare.
2320 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2321 * tree-ssa.c (verify_phi_args): Verify that address taken
2322 variables have TREE_ADDRESSABLE set.
2324 2009-03-27 Richard Guenther <rguenther@suse.de>
2326 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2327 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2328 Do not mark decls TREE_ADDRESSABLE.
2329 (build_fold_addr_expr): Adjust.
2330 (fold_addr_expr): Remove.
2331 (fold_unary): Use build_fold_addr_expr.
2332 (fold_comparison): Likewise.
2333 (split_address_to_core_and_offset): Likewise.
2334 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2336 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2337 (gimplify_modify_expr_to_memcpy): Mark source and destination
2339 * omp-low.c (create_omp_child_function): Mark the object decl
2341 (lower_rec_input_clauses): Mark the var we take the address of
2343 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2345 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2348 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2349 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2351 2009-03-27 Richard Guenther <rguenther@suse.de>
2353 PR tree-optimization/39120
2354 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2356 (handle_lhs_call): Process return constraints. Add escape
2357 constraints if necessary.
2358 (handle_const_call): Fill out return constraints. Make nested
2359 case more precise. Avoid consttmp if possible.
2360 (handle_pure_call): Fill out return constraints. Avoid
2361 callused if possible.
2362 (find_func_aliases): Simplify call handling.
2364 2009-03-27 Richard Guenther <rguenther@suse.de>
2366 PR tree-optimization/39120
2367 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2368 as a representative.
2369 (solve_graph): Do propagate CALLUSED.
2370 (handle_pure_call): Use a scalar constraint from CALLUSED for
2372 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2375 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2378 * c-common.c (handle_aligned_attribute): Properly check alignment
2379 overflow. Use (1U << i) instead of (1 << i).
2381 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2383 * expr.h (get_mem_align_offset): Updated.
2385 * tree.h (tree_decl_common): Change align to "unsigned int" and
2386 move it before pointer_alias_set.
2388 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2389 Jakub Jelinek <jakub@redhat.com>
2392 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2393 gr_register_operand with gr_reg_or_0_operand.
2394 (cmpxchg_rel_di): Likewise.
2395 (sync_lock_test_and_set<mode>): Likewise.
2397 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2399 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2400 (true_regnum): Likewise.
2402 * rtlanal.c (subreg_info): Moved to ...
2403 * rtl.h (subreg_info): Here. New.
2404 (subreg_get_info): New.
2406 * rtlanal.c (subreg_get_info): Make it extern.
2408 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2411 * config/i386/i386.c (ix86_abi): New.
2412 (override_options): Handle -mabi=.
2413 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2414 (ix86_call_abi_override): Likewise.
2415 (init_cumulative_args): Likewise.
2416 (function_arg_advance): Likewise.
2417 (function_arg_64): Likewise.
2418 (function_arg): Likewise.
2419 (ix86_pass_by_reference): Likewise.
2420 (ix86_function_value_regno_p): Likewise.
2421 (ix86_build_builtin_va_list_abi): Likewise.
2422 (setup_incoming_varargs_64): Likewise.
2423 (is_va_list_char_pointer): Likewise.
2424 (ix86_init_machine_status): Likewise.
2425 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2426 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2427 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2428 (ix86_function_abi): Make it static and return enum calling_abi.
2429 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2431 (ix86_fn_abi_va_list): Updated.
2433 * config/i386/i386.h (ix86_abi): New.
2434 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2435 (CONDITIONAL_REGISTER_USAGE): Likewise.
2436 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2437 (machine_function): Likewise.
2439 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2441 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2442 (STACK_BOUNDARY): Likewise.
2443 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2445 * config/i386/i386.opt (mabi=): New.
2447 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2448 return enum calling_abi.
2449 (ix86_function_type_abi): Likewise.
2450 (ix86_function_abi): Removed.
2452 * doc/invoke.texi: Document -mabi= option for x86.
2454 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2456 * builtins.c (real_dconstp): Delete.
2457 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2459 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2460 Jakub Jelinek <jakub@redhat.com>
2463 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2464 (gen_subprogram_die): When a function is explicit, generate the
2465 DW_AT_explicit attribute.
2466 * langhooks.h (struct lang_hooks_for_decls): Add
2467 function_decl_explicit_p langhook.
2468 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2469 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2471 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2473 * builtins.c (fold_builtin_memory_op): Optimize memmove
2474 into memcpy if we can prove source and destination don't overlap.
2476 * tree-inline.c: Include gt-tree-inline.h.
2477 (clone_fn_id_num): New variable.
2478 (clone_function_name): New function.
2479 (tree_function_versioning): Use it.
2480 * Makefile.in (GTFILES): Add tree-inline.c.
2482 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2484 * BASE-VER: Change to 4.5.0.
2486 2009-03-27 Xinliang David Li <davidxl@google.com>
2488 PR tree-optimization/39557
2489 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2491 2009-03-27 Xinliang David Li <davidxl@google.com>
2493 PR tree-optimization/39548
2494 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2497 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2499 * c-common.c (pointer_int_sum): Use %wd on return from
2502 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2504 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2505 on return from tree_low_cst.
2507 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2510 * ginclude/stdarg.h (va_copy): Define also for
2511 __GXX_EXPERIMENTAL_CXX0X__.
2513 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2516 * builtins.h (c_strlen): Do not warn here.
2517 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2518 * c-common.c (pointer_int_sum): Take an explicit location.
2519 Warn about offsets out of bounds.
2520 * c-common.h (pointer_int_sum): Adjust declaration.
2522 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2524 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2527 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2530 * opts.c (warn_if_disallowed_function_p): Don't assume
2531 get_callee_fndecl must return non-NULL.
2533 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2535 PR rtl-optimization/39522
2536 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2537 when reg_reloaded_valid is set.
2539 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2541 * config/spu/divv2df3.c: New file.
2542 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2543 (DPBIT_FUNCS): Filter out _div_df.
2545 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2547 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2548 a jump insn, count that jump in the distance to the loop start.
2550 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2553 * config/sh/sh.c (calc_live_regs): Fix condition for global
2554 registers except PIC_OFFSET_TABLE_REGNUM.
2556 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2559 * doc/invoke.texi (-mconsole): New.
2563 (-mnop-fun-dllimport): New.
2567 (sub section "i386 and x86-64 Windows Options"): New.
2569 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2571 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2572 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2574 2009-03-25 Richard Guenther <rguenther@suse.de>
2577 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2580 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2582 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2583 neither of haifa/selective schedulers are working.
2585 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2587 * doc/invoke.texi (Debugging Options): Fix description of
2588 -fno-merge-debug-strings.
2590 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2592 * config/cris/libgcc.ver: New version-script.
2593 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2595 * configure.ac <GAS features, nop mnemonic>: Add pattern
2596 crisv32-*-* for "nop".
2597 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2598 * configure: Regenerate.
2600 2009-03-24 Ira Rosen <irar@il.ibm.com>
2602 PR tree-optimization/39529
2603 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2604 mark_sym_for_renaming for the tag copied to the new vector
2607 2009-03-24 Arthur Loiret <aloiret@debian.org>
2609 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2610 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2611 EXTRA_SPEC_FUNCTIONS.
2612 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2613 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2614 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2615 -march and -mtune options.
2617 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2619 * config/m68k/t-rtems: Add m5329 multilib.
2621 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2622 Jakub Jelinek <jakub@redhat.com>
2625 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2628 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2631 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2632 instead of c_parser_expression_conv, if original_code isn't one of the
2633 4 allowed comparison codes, fail.
2635 2009-03-23 Richard Guenther <rguenther@suse.de>
2637 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2638 * tree.h (struct tree_type): Likewise.
2639 * reload.h (struct insn_chain): Likewise.
2640 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2641 * function.h (struct function): Likewise.
2642 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2644 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2646 PR tree-optimization/39516
2647 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2649 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2651 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2652 should be set true if BITS_PER_WORD of target is bigger than 32
2654 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2656 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2657 Translate -B-options to -rpath-link. Correct existing
2658 rpath-link and conditionalize on !nostdlib.
2660 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2662 * doc/extend.texi (Function Attributes, Variable Attributes):
2664 * doc/invoke.texi (Debugging Options, Optimize Options)
2665 (i386 and x86-64 Options, MCore Options): Likewise.
2667 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2670 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2671 it for block local namespace aliases.
2672 (gen_decl_die): Pass context_die to gen_namespace_die.
2674 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2677 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2678 minimum or maximum value.
2680 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2682 * reginfo.c (globalize_reg): Recompute derived reg sets.
2684 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2687 * libgcc2.c (mprotect): Do not use signed arguments for
2688 VirtualProtect, use DWORD arguments. Also fix the 'may
2689 be used uninitialized' warning for the np variable.
2691 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2694 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2695 functions using regparm calling conventions when not optimizing.
2696 (ix86_function_sseregparm): Similarly for sseregparm calling
2699 2009-03-19 Li Feng <nemokingdom@gmail.com>
2702 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2703 dependence if the first conflict is after niter iterations.
2705 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2708 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2709 functions with dynamic stack-pointer adjustments.
2711 2009-03-19 Ben Elliston <bje@au.ibm.com>
2713 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2714 option; change to -msdata=data.
2716 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2718 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2721 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2724 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2726 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2728 * doc/invoke.texi (Code Gen Options): Expand discussion of
2731 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2733 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2734 * matrix-reorg.c (struct matrix_info): Likewise.
2735 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2736 * rtl.h (struct mem_attrs): Likewise.
2737 * df.h (struct df): Likewise.
2738 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2739 * ira-int.h (struct ira_allocno): Likewise.
2740 * df-scan.c (struct df_collection_rec): Likewise.
2741 * ira.c (struct equivalence): Likewise.
2742 * function.c (struct temp_slot): Likewise.
2743 * cfgloop.h (struct loop): Likewise.
2746 * function.c (use_register_for_decl): When not optimizing, disregard
2747 register keyword for variables with types containing methods.
2749 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2752 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2753 (is_simple_operand): Call contains_component_ref_p before calling data
2754 reference analysis that would fail on COMPONENT_REFs.
2756 * tree-vrp.c (search_for_addr_array): Fix formatting.
2758 2009-03-18 Richard Guenther <rguenther@suse.de>
2760 * tree-vect-transform.c (vect_loop_versioning): Fold the
2761 generated comparisons.
2762 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2763 (slpeel_tree_peel_loop_to_edge): Likewise.
2765 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2768 * opts.c (print_specific_help): In addition to `undocumented',
2769 accept `separate' and `joined' flags if passed alone. Describe
2770 output by the first matched one of those.
2771 (common_handle_option): Skip over empty strings.
2772 * gcc.c (display_help): Fix help string for `--help='.
2773 * doc/invoke.texi (Option Summary, Overall Options): With
2774 `--help=', classes and qualifiers can both be repeated, but
2775 only the latter can be negated. One should not pass only
2776 negated qualifiers. Fix markup and examples.
2779 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2781 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2782 and -fhelp=separate.
2784 2009-03-17 Jing Yu <jingyu@google.com>
2787 * function.h (struct rtl_data): Move is_thunk from here...
2788 (struct function): ...to here.
2789 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2790 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2792 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2794 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2795 (alpha_output_function_end_prologue): Likewise.
2796 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2797 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2798 (rs6000_output_function_epilogue): Likewise.
2799 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2801 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2804 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2805 from different units in a single alternative.
2806 (*truncdfsf_i387): Ditto.
2807 (*truncxfsf2_mixed): Ditto.
2808 (*truncxfdf2_mixed): Ditto.
2810 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2812 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2813 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2816 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2817 unused non-artificial variables when not optimizing.
2820 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2821 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2822 NAMESPACE_DECL in its DECL_INITIAL.
2825 * optabs.c (set_user_assembler_libfunc): New function.
2826 * expr.h (set_user_assembler_libfunc): New prototype.
2827 * c-common.c: Include libfuncs.h.
2828 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2829 for memcmp, memset, memcpy, memmove and abort.
2830 * Makefile.in (c-common.o): Depend on libfuncs.h.
2833 * dwarf2out.c (gen_inlined_enumeration_type_die,
2834 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2835 gen_tagged_type_instantiation_die): Removed.
2836 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2839 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2842 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2844 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2845 (check-parallel-%): Ditto.
2846 (check-consistency): Ditto.
2848 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2850 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2851 local variable rhs by NULL_TREE.
2853 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2856 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2858 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2861 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2863 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2866 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2867 for ms->sysv ABI calls only in 64bit mode.
2869 * config/i386/i386.md (untyped_call): Support 32bit.
2871 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2873 * doc/extend.texi: Replace x86_65 with x86_64.
2875 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2877 PR tree-optimization/39455
2878 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2879 mismatches for POINTER_TYPE_P (type).
2880 (number_of_iterations_le): Likewise.
2882 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2884 * config/picochip/picochip.c: Removed profiling support.
2885 * config/picochip/picochip.md: Removed profiling instruction.
2886 * config/picochip/picochip.h: Removed profiling builtin.
2888 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2890 * doc/install.texi (--with-host-libstdcxx): Document.
2892 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2895 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2896 generate a warning if the function name does not begin with
2897 "__vector" and the function has either the 'signal' or 'interrupt'
2898 attribute, from here to ...
2899 (avr_declare_function_name): ...here. New function.
2900 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2901 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2903 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2906 * cse.c (fold_rtx): Don't modify original const_arg1 when
2907 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2908 separate variable instead.
2909 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2910 from out of range shift counts.
2911 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2913 2008-03-13 Catherine Moore <clm@codesourcery.com>
2915 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2916 diagnostic.h with $(DIAGNOSTIC_H).
2918 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2921 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2923 * config/i386/sync.md (sync_compare_and_swap<mode>,
2924 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2925 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2927 (sync_double_compare_and_swapdi_pic,
2928 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2929 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2931 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2934 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2936 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2939 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2940 (avx_addsubv4df3): Likewise.
2941 (*avx_addsubv4sf3): Likewise.
2942 (sse3_addsubv4sf3): Likewise.
2944 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2947 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2949 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2952 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2953 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2954 registers for allocnos created from user-defined variables.
2956 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2959 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2960 of non-integer mode as well.
2962 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2964 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2965 for functions for which the parameter types are unknown.
2967 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2970 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2971 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2972 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2973 * config/i386/i386.c (ix86_local_alignment): For
2974 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2975 long long variables on the stack to avoid dynamic realignment.
2976 Allow the first argument to be a decl rather than type.
2977 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2979 2009-03-11 Nick Clifton <nickc@redhat.com>
2982 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2984 Add description to mno-lsim option.
2985 * config/mcore/mcore.h: Remove comment about deprecated m4align
2987 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2988 * doc/invoke.texi: Add description of mno-lsim and
2989 mstack-increment options.
2991 * config/fr30/fr30.opt: Document the -mno-lsim option.
2992 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2993 and -mno-lsim options.
2995 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2997 * fold-const.c (fold_comparison): Only call fold_inf_compare
2998 if the mode supports infinities.
3000 2009-03-11 Jason Merrill <jason@redhat.com>
3003 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3004 end already did. Notice GIMPLE_CALL modifications of the result.
3005 Don't copy debug information from an ignored decl or a decl from
3008 2009-03-10 Richard Guenther <rguenther@suse.de>
3009 Nathan Froyd <froydnj@codesourcery.com>
3012 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3013 (__divMODE3): Likewise.
3015 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3017 PR tree-optimization/39394
3018 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3019 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3021 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3023 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3024 inline asms for register asm ("") declarations.
3026 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3028 * fold-const.c (fold_unary): Fix comment.
3030 2009-03-07 Jan Hubicka <jh@suse.cz>
3033 * tree-inline.c (setup_one_parameter): Do replacement of const
3034 argument by constant in SSA form.
3036 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3039 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3040 determine alignment passed to assign_stack_local.
3041 (assign_parms_unsplit_complex): Likewise.
3042 * except.c (sjlj_build_landing_pads): Likewise.
3044 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3047 * tree-flow.h (add_referenced_var): Return bool instead of void.
3048 * tree-dfa.c (add_referenced_var): Return result of
3049 referenced_var_check_and_insert call.
3050 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3051 of referenced_var_check_and_insert.
3054 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3055 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3056 DIE, don't emit it if abstract origin already has it.
3057 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3058 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3060 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3062 * genpreds.c (needs_variable): Fix parentheses at variable name
3064 (write_tm_constrs_h): Indent generated code.
3066 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3068 * doc/extend.texi (Function Attributes): Add documentation
3071 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3074 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3075 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3077 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3079 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3082 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3085 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3086 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3088 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3090 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3091 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3092 constants instead of magic numbers.
3093 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3095 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3096 (x86_64_ms_abi_int_parameter_registers): Ditto.
3097 (x86_64_int_return_registers): Ditto.
3098 (ix86_maybe_switch_abi): Ditto.
3099 (ix86_expand_call): Ditto for clobbered_registers array.
3100 (ix86_hard_regno_mode_ok): Ditto.
3101 (x86_extended_QIreg_mentioned_p): Ditto.
3103 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3105 PR tree-optimization/39349
3106 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3108 * combine.c (gen_lowpart_for_combine): Use omode when generating
3111 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3113 PR rtl-optimization/39235
3114 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3116 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3118 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3120 2009-03-04 Richard Guenther <rguenther@suse.de>
3122 PR tree-optimization/39362
3123 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3124 that occur in abnormal PHIs should be varying.
3126 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3128 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3130 (simple_iv): Take loop as an argument instead of statement.
3131 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3132 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3134 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3136 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3137 * matrix-reorg.c (analyze_transpose): Ditto.
3138 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3139 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3140 * tree-predcom.c (ref_at_iteration): Ditto.
3141 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3143 2009-03-04 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/39358
3146 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3147 escaped_id and callused_id.
3148 (solve_graph): Likewise.
3150 2009-03-04 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/39339
3153 * tree-sra.c (try_instantiate_multiple_fields): Make it
3154 no longer ICE on the above.
3156 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3158 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3159 that fits within Pmode.
3161 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3164 * tm.texi (LIBCALL_VALUE): Update description.
3166 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3169 * doc/extend.texi (section): Update description.
3171 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3174 * tree-inline.c (remapped_type): New.
3175 (can_be_nonlocal): Call remapped_type instead of remap_type.
3177 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3180 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3181 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3183 2009-03-03 Richard Guenther <rguenther@suse.de>
3186 * tree.c (tree_nonartificial_location): New function.
3187 * tree.h (tree_nonartificial_location): Declare.
3188 * builtins.c (expand_builtin_memory_chk): Provide location
3189 of the call location for artificial function pieces.
3190 (maybe_emit_chk_warning): Likewise.
3191 (maybe_emit_sprintf_chk_warning): Likewise.
3192 (maybe_emit_free_warning): Likewise.
3193 * expr.c (expand_expr_real_1): Likewise.
3195 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3197 PR tree-optimization/39343
3198 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3199 COMPONENT_REF t has ARRAY_TYPE.
3201 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3204 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3205 when the type precision of the induction variable should be
3206 larger than the type precision of nit.
3207 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3208 * graphite.c (graphite_loop_normal_form): Same.
3209 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3211 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3213 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3214 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3215 numbers to describe clobbered registers.
3216 (*call_value_0_rex64_ms_sysv): Ditto.
3217 * config/i386/mmx.md (mmx_emms): Ditto.
3220 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3222 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3225 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3227 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3228 (spu_section_type_flags): New function.
3230 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3232 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3233 reg_class_contents of FLOAT_REGS into a temporary.
3235 2009-03-02 Richard Guenther <rguenther@suse.de>
3236 Ira Rosen <irar@il.ibm.com>
3238 PR tree-optimization/39318
3239 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3240 information to the vectorized statement.
3242 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3244 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3245 variable. Use defined names instead of magic constants for REX SSE
3248 2009-03-01 Richard Guenther <rguenther@suse.de>
3250 PR tree-optimization/39331
3251 * omp-low.c (lower_send_shared_vars): Do not receive new
3252 values for the reference of DECL_BY_REFERENCE parms or results.
3254 2009-03-01 Jan Hubicka <jh@suse.cz>
3257 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3258 BLOCK_NONLOCALIZED_VAR): New macros.
3259 (tree_block): Add nonlocalized_vars.
3260 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3261 gen_decl_die): Add origin argument. Allow generation of die with
3262 origin at hand only.
3263 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3264 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3266 (gen_block_die): Fix checking for unused blocks.
3267 (process_scope_var): Break out from .... ; work with origins only.
3268 (decls_for_scope) ... here; process nonlocalized list.
3269 (dwarf2out_ignore_block): Look for nonlocalized vars.
3270 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3272 (dump_scope_block): Dump them.
3273 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3274 (remap_block): Likewise.
3275 (can_be_nonlocal): New predicate.
3276 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3278 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3280 * configure: Regenerate.
3282 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3284 * optc-gen.awk: No need to duplicate option flags twice.
3285 Reuse help texts for duplicate options which do not have any.
3287 * gcc.c (display_help): Document --version.
3289 * gcc.c (main): If print_help_list and verbose_flag, ensure
3290 driver output comes before subprocess output.
3292 * optc-gen.awk: Assign all remaining fields to help string,
3293 space-separated, for multi-line help in *.opt.
3295 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3296 -Wno-pedantic-ms-format is for MinGW targets only.
3298 * doc/options.texi (Option file format): Fix bad indentation,
3299 restoring dropped sentence.
3301 2009-02-28 Jan Hubicka <jh@suse.cz>
3303 * tree-inline.c (tree_function_versioning): Output debug info.
3305 2009-02-28 Jan Hubicka <jh@suse.cz>
3308 * tree-inline.c (setup_one_parameter): Do not copy propagate
3309 arguments when not optimizing.
3311 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3314 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3315 (avx_addsubv4df3): Likewise.
3316 (*avx_addsubv4sf3): Likewise.
3317 (sse3_addsubv4sf3): Likewise.
3318 (*avx_addsubv2df3): Likewise.
3319 (sse3_addsubv2df3): Likewise.
3320 (avx_unpckhps256): Correct item selectors.
3321 (avx_unpcklps256): Likewise.
3322 (avx_unpckhpd256): Likewise.
3323 (avx_unpcklpd256): Likewise.
3325 2009-02-28 Jan Hubicka <jh@suse.cz>
3327 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3329 (copy_arguments_for_versioning): If var is declared don't declare it.
3330 (tree_function_versioning): First setup substitutions and then copy
3333 2009-02-27 Jan Hubicka <jh@suse.cz>
3336 * cgraph.h (varpool_output_debug_info): Remove.
3337 * cgraphunit.c (varpool_output_debug_info): Remove.
3338 * dwarf2out.c (deferred_locations_struct): New struct
3339 (deferred_locations): New type.
3340 (deferred_locations_list): New static var.
3341 (deffer_location): New function.
3342 (gen_variable_die): Use it.
3343 (decls_for_scope): Output info on local static vars.
3344 (dwarf2out_finish): Process deferred locations.
3345 * varpool.c (varpool_output_debug_info): Remove.
3347 2009-02-27 Jan Hubicka <jh@suse.cz>
3350 * tree.h (TREE_PROTECTED): Fix comment.
3351 (BLOCK_HANDLER_BLOCK): Remove.
3352 (struct tree_block): Remove handler_block add body_block.
3353 (inlined_function_outer_scope_p): New.
3354 (is_body_block): Remove.
3355 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3356 * dwarf2out.c (is_inlined_entry_point): Remove.
3357 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3358 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3360 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3361 * gimplify.c (gimplify_expr): Gimplify body blocks.
3362 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3363 block with multiple subblocks.
3364 (dump_scope_block): Prettier output; dump more flags and info.
3365 (dump_scope_blocks): New.
3366 (remove_unused_locals): Use dump_scope_blocks.
3367 * tree-flow.h (dump_scope_blocks): Declare.
3368 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3369 * stmt.c (is_body_block): Remove.
3370 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3371 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3373 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3376 * graphite.c (graphite_loop_normal_form): Do not call
3377 number_of_iterations_exit from a gcc_assert.
3379 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3381 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3382 jumps if COND is NULL.
3383 (find_cond_jump): New function.
3384 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3385 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3387 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3389 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3390 force_const_mem returns NULL_RTX.
3392 2009-02-26 Jan Hubicka <jh@suse.cz>
3395 * cgraph.h (varpool_output_debug_info): Remove.
3396 * cgraphunit.c (varpool_output_debug_info): Remove.
3397 * dwarf2out.c (deferred_locations_struct): New struct
3398 (deferred_locations): New type.
3399 (deferred_locations_list): New static var.
3400 (deffer_location): New function.
3401 (gen_variable_die): Use it.
3402 (decls_for_scope): Output info on local static vars.
3403 (dwarf2out_finish): Process deferred locations.
3404 * varpool.c (varpool_output_debug_info): Remove.
3406 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3408 PR rtl-optimization/39241
3409 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3410 to subreg_offset_representable_p.
3412 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3414 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3415 execute function prototype. Get f and nregs from max_reg_num
3416 and get_insns. Remove the first backward pass as it's dead,
3417 guard the forward pass by flag_expensive_optimizations.
3418 (rest_of_handle_regmove): Delete.
3419 (pass_regmove): Replace it with regmove_optimize.
3421 2009-02-25 Martin Jambor <mjambor@suse.cz>
3423 PR tree-optimization/39259
3424 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3425 calls_alloca function flags.
3426 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3429 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3431 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3432 flags_set_1_rtx, flags_set_1_set): Delete.
3433 (regmove_optimize): Do not call mark_flags_life_zones.
3435 2009-02-24 Julian Brown <julian@codesourcery.com>
3438 * config/arm/arm.c (require_pic_register): Only set
3439 cfun->machine->pic_reg once per function.
3441 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3443 * doc/invoke.texi (Link Options): Document an easier way to pass
3444 options that take arguments to the GNU linker using -Xlinker and -Wl.
3446 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3449 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3451 2009-02-24 Richard Guenther <rguenther@suse.de>
3454 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3456 2009-02-24 Richard Guenther <rguenther@suse.de>
3457 Zdenek Dvorak <ook@ucw.cz>
3459 PR tree-optimization/39233
3460 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3461 from converting them to a generic type.
3463 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3465 PR tree-optimization/39260
3466 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3467 contains a condition with a real type.
3468 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3470 2009-02-23 Jason Merrill <jason@redhat.com>
3473 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3474 narrowing_initializer_constant_valid_p.
3475 (narrowing_initializer_constant_valid_p): Don't return
3476 null_pointer_node for adding a pointer to itself.
3478 2009-02-23 Jan Hubicka <jh@suse.cz>
3481 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3484 2009-02-23 Jan Hubicka <jh@suse.cz>
3486 PR tree-optimization/37709
3487 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3488 * tree.h (block_ultimate_origin): Declare.
3489 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3490 * tree-ssa-live.c (remove_unused_scope_block_p):
3491 Eliminate blocks containig no instructions nor live variables nor
3493 (dump_scope_block): New function.
3494 (remove_unused_locals): Enable removal of dead blocks by default;
3495 enable dumping at TDF_DETAILS.
3497 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3499 * config/i386/i386.c (classify_argument): Don't allow COImode
3501 (function_arg_advance_32): Don't allow OImode.
3502 (function_arg_32): Likewise.
3503 (function_value_32): Likewise.
3504 (return_in_memory_32): Likewise.
3505 (function_arg_64): Remove OImode comment.
3507 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3510 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3511 ix86_expand_vector_set for V4DImode in 64bit mode only.
3512 (ix86_expand_vector_init_one_var): Likewise.
3514 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3516 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3518 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3521 * loop-iv.c: Revert last change.
3522 * emit-rtl.c: Likewise.
3524 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3527 * config/i386/i386.c (type_natural_mode): Remove an extra
3528 space in the warning message.
3529 (function_value_32): Handle 32-byte vector modes.
3530 (return_in_memory_32): Likewise.
3532 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3534 * loop-iv.c (truncate_value): New function.
3535 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3537 (lowpart_subreg): Move to...
3538 * emit-rtl.c: ...here.
3540 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3542 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3543 accidental and undocumented change at revision 140860.
3545 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3547 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3548 take gimple_seq * arguments.
3549 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3550 types_compatible_p langhook.
3552 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3553 Joseph Myers <joseph@codesourcery.com>
3555 * config/arm/arm.c (arm_builtin_va_list): New function.
3556 (arm_expand_builtin_va_start): Likewise.
3557 (arm_gimplify_va_arg_expr): Likewise.
3558 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3559 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3560 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3561 (va_list_type): New variable.
3562 (arm_mangle_type): Mangle va_list_type appropriately.
3564 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3567 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3568 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3569 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3570 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3571 parameter to 1000 for -O1 by default.
3572 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3574 * loop-invariant.c: Include params.h.
3575 (move_loop_invariants): Don't call move_single_loop_invariants on
3578 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3580 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3581 offset when calculating bounds for indexing stack_usage_map. Fixes
3582 a buffer overflow with certain target setups.
3584 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3587 * calls.c (expand_call): Clear try_tail_call if caller and callee
3588 disagree in promotion of function return value.
3590 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3593 * c-common.c (c_determine_visibility): If visibility changed and
3594 DECL_RTL has been already set, call make_decl_rtl to update symbol
3597 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3600 * varasm.c (assemble_variable): Don't check DECL_NAME when
3601 globalizing a variable.
3603 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3606 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3607 expression before any __builtin_trap call.
3608 * c-typeck.c (build_function_call): Convert and check function
3609 arguments before generating a call to a trap. Evaluate the
3610 function arguments before the trap.
3612 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3615 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3616 (UNSPEC_FXAM_MEM): New unspec.
3617 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3618 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3619 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3621 2009-02-19 Richard Guenther <rguenther@suse.de>
3623 PR tree-optimization/39207
3624 PR tree-optimization/39074
3625 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3626 storedanything_tree): New.
3627 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3628 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3629 (build_succ_graph): Add edges from STOREDANYTHING to all
3631 (init_base_vars): Initialize STOREDANYTHING.
3632 (compute_points_to_sets): Free substitution info after
3633 building the succ graph.
3634 (ipa_pta_execute): Likewise.
3636 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3638 (do_ds_constraint): Do not add to special var or non-pointer
3640 (type_could_have_pointers): Split out from ...
3641 (could_have_pointers): ... here. For arrays use the element type.
3642 (create_variable_info_for): Initialize may_have_pointers.
3643 (new_var_info): Likewise.
3644 (handle_lhs_call): Make the HEAP variable unknown-sized.
3645 (intra_create_variable_infos): Use a type with pointers for
3646 PARM_NOALIAS, make it unknown-sized.
3648 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3651 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3653 2009-02-18 Jason Merrill <jason@redhat.com>
3656 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3657 value if DECL_EXTERNAL.
3658 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3659 * target.h (gcc_target::binds_local_p): Clarify "module".
3660 * tree.h (TREE_PUBLIC): Clarify "module".
3662 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3665 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3666 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3668 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3671 * c.opt (Wabi): Support C and ObjC.
3674 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3676 * config/i386/i386.c (classify_argument): Warn once about the ABI
3677 change when passing union with long double.
3679 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3681 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3684 * c-parser.c (c_parser_compound_statement): Always enter and leave
3687 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3690 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3692 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3694 PR tree-optimization/36922
3695 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3696 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3699 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3701 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3704 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3706 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3708 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3710 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3713 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3714 Richard Sandiford <rdsandiford@googlemail.com>
3716 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3717 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3718 (loongson_biadd): ...this.
3720 2009-02-17 Richard Guenther <rguenther@suse.de>
3722 PR tree-optimization/39202
3723 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3724 a var make sure to follow existing collapses.
3726 2009-02-17 Richard Guenther <rguenther@suse.de>
3729 * langhooks.c (lhd_print_error_function): Check for NULL block.
3731 2009-02-17 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/39204
3734 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3737 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3739 * config/soft-fp/double.h: Update from glibc CVS.
3741 2009-02-17 Richard Guenther <rguenther@suse.de>
3743 PR tree-optimization/39207
3744 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3745 strict-aliasing warnings for pointers pointing to NULL.
3747 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3750 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3751 skipping until next close brace.
3753 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3756 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3757 to function argument boundary.
3759 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3761 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3762 in the lea_add. Reload eventually constraints it properly.
3763 * config/picochip/constraints.md : Remove the target constraint
3764 "b", since it is not needed anymore.
3766 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3768 * gthr-dce.h: Uglify function parameter and local variable names.
3769 * gthr-gnat.h: Likewise.
3770 * gthr-mipssde.h: Likewise.
3771 * gthr-nks.h: Likewise.
3772 * gthr-posix95.h: Likewise.
3773 * gthr-posix.h: Likewise.
3774 * gthr-rtems.h: Likewise.
3775 * gthr-single.h: Likewise.
3776 * gthr-solaris.h: Likewise.
3777 * gthr-tpf.h: Likewise.
3778 * gthr-vxworks.h: Likewise.
3779 * gthr-win32.h: Likewise.
3781 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3784 * config/i386/i386.md: Restrict the new peephole2 to move
3785 between MMX/SSE registers.
3787 2009-02-15 Richard Guenther <rguenther@suse.de>
3790 2009-02-13 Richard Guenther <rguenther@suse.de>
3792 * configure.ac: Enable LFS.
3793 * configure: Re-generate.
3794 * config.in: Likewise.
3796 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3798 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3799 spu_srqwbyte, spu_srqwbytebc): Define.
3800 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3801 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3802 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3803 "shrqby_<mode>"): New insn-and-split patterns.
3804 * config/spu/spu.c (expand_builtin_args): Determine and return
3805 number of operands using spu_builtin_description data.
3806 (spu_expand_builtin_1): Use it.
3808 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3811 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3814 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3817 * config/i386/i386.c (override_options): Correct warning
3818 messages for -malign-loops, -malign-jumps and -malign-functions.
3820 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3823 * config/i386/i386.md: Restrict the new peephole2 to move
3824 between the general purpose registers.
3826 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3829 * config/i386/i386.c (type_natural_mode): Add a new argument.
3830 Return the original mode and warn ABI change if vector size is 32byte.
3831 (function_arg_advance): Updated.
3832 (function_arg): Likewise.
3833 (ix86_function_value): Likewise.
3834 (ix86_return_in_memory): Likewise.
3835 (ix86_sol10_return_in_memory): Likewise.
3836 (ix86_gimplify_va_arg): Likewise.
3837 (function_arg_32): Don't warn ABX ABI change here.
3838 (function_arg_64): Likewise.
3840 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3842 * loop-iv.c (implies_p): In the final case, test that operands 0
3843 of the two comparisons match.
3845 * config/bfin/bfin.c (find_prev_insn_start): New function.
3846 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3847 (find_next_insn_start): Move.
3849 2009-02-13 Richard Guenther <rguenther@suse.de>
3851 * configure.ac: Enable LFS.
3852 * configure: Re-generate.
3853 * config.in: Likewise.
3855 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3858 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3859 sizes on syntax error after some arguments have been parsed.
3861 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3863 * doc/invoke.texi (-fira): Remove.
3865 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3867 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3868 * recog.c: Likewise.
3871 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3873 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3874 (umul_ppmm): Likewise.
3875 (count_leading_zeros): Likewise.
3876 (count_trailing_zeros): Likewise.
3877 (UMUL_TIME): Likewise.
3879 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3881 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3882 soft-fp/t-softfp to tmake_file.
3884 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3885 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3886 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3887 IA64_BUILTIN_INFQ]: New.
3888 (ia64_init_builtins): Initialize __builtin_infq,
3889 __builtin_fabsq and __builtin_copysignq if not HPUX.
3890 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3891 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3893 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3895 (__fixtfti): Likewise.
3896 (__fixunstfti): Likewise.
3897 (__floattitf): Likewise.
3899 * config/ia64/libgcc-glibc.ver: New.
3900 * config/ia64/t-fprules-softfp: Likewise.
3901 * config/ia64/sfp-machine.h: Likewise.
3903 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3904 (LIBGCC2_TF_CEXT): Likewise.
3905 (TF_SIZE): Likewise.
3906 (TARGET_INIT_LIBFUNCS): Likewise.
3908 * config/ia64/t-glibc (SHLINB_MAPFILES):
3909 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3911 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3913 * config/i386/i386.c (construct_container): Rewrite processing
3914 BLKmode with X86_64_SSE_CLASS.
3916 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3919 * config/i386/i386.md: Replace simplify_replace_rtx with
3920 replace_rtx in the new peephole2.
3922 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3924 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3925 loop unrolling do not happen at -O2.
3927 2009-02-12 Michael Matz <matz@suse.de>
3929 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3931 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3933 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3936 2009-02-12 Ben Elliston <bje@au.ibm.com>
3938 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3939 patterns when updating the back chain. Missed in the 2009-02-10
3942 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3944 * doc/extend.texi (Decimal Floating Types): Update identifier of
3945 draft TR and list of missing support.
3947 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3950 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3951 bit to variable length decl's flags, add it also to its
3952 pointer replacement variable.
3954 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3955 Jakub Jelinek <jakub@redhat.com>
3958 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3959 (memory_blockage): New expander.
3960 (*memory_blockage): New insn pattern.
3961 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3962 instead of general blockage at the end of function prologue when
3963 frame pointer is used to access red zone area. Do not emit blockage
3964 when profiling, it is emitted in generic code.
3965 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3966 function epilogue when frame pointer is used to access red zone area.
3968 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3971 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3972 by arithmetic with memory operands.
3973 * config/i386/predicates.md (commutative_operator): New.
3975 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3977 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3980 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3982 * alias.h (record_alias_subset): Declare.
3983 * alias.c (record_alias_subset): Make global.
3985 2009-02-10 Nick Clifton <nickc@redhat.com>
3987 * tree-parloops.c: Change license to GPLv3.
3988 * ipa-struct-reorg.c: Change license to GPLv3.
3989 * ipa-struct-reorg.h: Change license to GPLv3.
3991 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3994 * c-decl.c (start_struct): Return NULL on error.
3996 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3999 * cfgloopmanip.c (remove_path): Call remove_bbs after
4000 cancel_loop_tree, not before it.
4003 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4004 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4005 VAR_DECLs were seen.
4006 * tree-ssa-live.c (remove_unused_locals): Recompute
4007 cfun->has_local_explicit_reg_vars.
4008 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4009 copies or clearings if cfun->has_local_explicit_reg_vars.
4011 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4014 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4015 of function prologue when frame pointer is used to access
4018 2009-02-10 Richard Guenther <rguenther@suse.de>
4021 * gimplify.c (gimple_regimplify_operands): Always look if
4022 we need to create a temporary.
4024 2009-02-10 Richard Guenther <rguenther@suse.de>
4026 PR tree-optimization/39132
4027 * tree-loop-distribution.c (todo): New global var.
4028 (generate_memset_zero): Trigger TODO_rebuild_alias.
4029 (tree_loop_distribution): Return todo.
4031 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4034 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4035 (x86_64_reg_class_name): Removed.
4036 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4037 first one isn't X86_64_SSE_CLASS or any other ones aren't
4038 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4039 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4040 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4041 and 3 X86_64_SSEUP_CLASS.
4042 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4043 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4045 2009-02-10 Ben Elliston <bje@au.ibm.com>
4047 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4048 form instruction to update the stack back chain word, even if the
4049 user has disabled the generation of update instructions.
4050 (movdi_<mode>_update_stack): New.
4051 (movsi_update_stack): Likewise.
4052 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4053 always use an update form instruction to update the stack back
4056 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4059 * graphite.c (if_region_set_false_region): After moving a region in
4060 the false branch of a condition, remove the empty dummy basic block.
4061 (gloog): Remove wrong fix for PR38953.
4063 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4065 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4066 generation due to implicit sign extension.
4068 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4071 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4072 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4074 2009-02-09 Richard Guenther <rguenther@suse.de>
4077 * convert.c (convert_to_real): Disable (float)fn((double)x)
4078 to fnf(x) conversion if errno differences may occur and
4079 -fmath-errno is set.
4081 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4083 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4084 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4085 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4087 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4090 * c-common.c (handle_alias_attribute): Disallow attribute for
4091 anything not a FUNCTION_DECL or VAR_DECL.
4093 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4096 * real.c (do_compare): Special-case compare of zero against
4097 decimal float value.
4099 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4102 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4103 as indicating flexible array members unless the field itself is
4104 being declarared as the incomplete array.
4106 2009-02-06 Jan Hubicka <jh@suse.cz>
4108 PR tree-optimization/38844
4109 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4112 2009-02-06 Richard Guenther <rguenther@suse.de>
4115 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4116 fork because we may expand it as __gcov_fork.
4118 2009-02-06 Nick Clifton <nickc@redhat.com>
4120 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4122 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4124 PR tree-optimization/35659
4125 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4126 vn_phi_eq): Shortcut if hashcode does not match.
4127 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4129 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4130 and avoid iterative_hash_expr.
4131 (FOR_EACH_VALUE_ID_IN_SET): New.
4132 (value_id_compare): Remove.
4133 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4134 sort expressions by value id.
4136 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4139 * config/sh/predicates.md (general_movsrc_operand): Don't check
4140 the subreg of system registers here.
4142 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4145 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4148 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4150 PR rtl-optimization/39110
4151 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4152 addresses, not aligned ones.
4154 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4155 Richard Guenther <rguenther@suse.de>
4157 PR tree-optimization/39100
4158 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4159 comment says and add edges.
4161 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4164 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4165 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4167 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4169 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4170 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4171 register_bb_in_sese, new_sese, free_sese): Moved.
4172 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4173 outermost_loop_in_scop, build_scop_iteration_domain,
4174 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4175 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4176 Use loop_in_sese_p instead of loop_in_scop_p.
4177 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4178 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4179 (scopdet_basic_block_info): Fix bug in scop detection.
4180 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4181 eq_loop_to_cloog_loop): Remove.
4182 (nb_loops_around_loop_in_scop, nb_loop
4183 ref_nb_loops): Moved here...
4184 * graphite.h (ref_nb_loops): ... from here.
4185 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4186 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4187 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4188 * testsuite/gcc.dg/graphite/scop-19.c: New
4190 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4191 Hans-Peter Nilsson <hp@axis.com>
4193 PR rtl-optimization/37889
4194 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4195 Move offset handling from PLUS to before the switch. Use new
4196 arguments when considering SYMBOL_REFs too.
4197 (rtx_addr_can_trap_p): Pass dummy offset and size.
4198 (enum may_trap_p_flags): Remove.
4199 (may_trap_p_1): Pass size from MEM_SIZE.
4201 PR rtl-optimization/38921
4202 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4203 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4204 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4205 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4207 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4209 AVX Programming Reference (January, 2009)
4210 * config/i386/sse.md (*vpclmulqdq): New.
4212 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4214 PR tree-optimization/38977
4215 PR gcov-profile/38292
4216 * calls.c (special_function_p): Disregard __builtin_ prefix.
4218 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4220 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4221 non-indexable addresses even before reload.
4223 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4226 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4227 as having variable size. Do not give an error for unnamed
4228 parameters with [*] declarators. Give a warning for type names
4229 with [*] declarators and mark them as variable size.
4230 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4231 for sizeof applied to [*] type names.
4233 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4236 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4238 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4240 * gcc.c (process_command): Update copyright notice dates.
4241 * gcov.c (print_version): Likewise.
4242 * gcov-dump.c (print_version): Likewise.
4243 * mips-tfile.c (main): Likewise.
4244 * mips-tdump.c (main): Likewise.
4246 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4249 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4250 for composite type involving a zero-length array type.
4252 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4255 * function.c (match_asm_constraints_1): Skip over
4256 initial optional % in the constraint.
4259 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4260 supported, don't accept FIXED_CSTs.
4261 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4262 and _Sat is used without _Fract/_Accum. Set specs->type to
4263 integer_type_node for cts_fract/cts_accum if fixed point is not
4266 2009-02-02 Catherine Moore <clm@codesourcery.com>
4268 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4270 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4272 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4273 (ABI_HAS_64BIT_SYMBOLS): Use it.
4274 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4276 2009-02-02 Paul Brook <paul@codesourcery.com>
4278 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4280 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4283 * recog.h (asm_operand_ok): Add constraints argument.
4284 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4285 recurse on matching constraint.
4286 (check_asm_operands): Pass constraints as 3rd argument to
4287 asm_operand_ok. Don't look up matching constraint here.
4288 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4291 2009-02-02 Ben Elliston <bje@au.ibm.com>
4293 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4294 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4296 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4298 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4299 information. Remove some obsolete information. Reorganize.
4301 * config/pa/fptr.c: Revert license to GPL 2.
4302 * config/pa/milli64.S: Likewise.
4304 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4307 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4308 LIBRARY name in, instead of hard-coding it.
4309 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4310 extra target make frag to tmake_files according to EH model.
4311 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4312 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4313 frags that define makefile variable EH_MODEL appropriately.
4314 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4315 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4316 to "-sjlj" according to type of EH configured.
4317 (LIBGCC_SONAME): Concatenate it to shared library base name.
4318 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4319 to "_sjlj" according to type of EH configured.
4320 (LIBGCC_SONAME): Concatenate it to shared library base name.
4321 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4322 (SHLIB_LINK): Add missing semicolon to if-else construct.
4323 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4324 string value of "pe_dll" command-line option.
4325 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4326 (SHLIB_SONAME): Use it when overriding t-cygming default.
4327 (SHLIB_IMPLIB): Override t-cygming default.
4328 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4329 string value of "pe_dll" command-line option.
4331 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4334 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4335 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4337 2009-01-31 Richard Guenther <rguenther@suse.de>
4339 PR tree-optimization/38937
4340 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4341 computing the transitive closure.
4343 2009-01-30 Richard Guenther <rguenther@suse.de>
4345 PR tree-optimization/39041
4346 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4347 Propagate variable indices only if the types match for this stmt.
4349 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4352 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4353 inline but never defined.
4355 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4357 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4358 (*insv_h_di_reg_extimm): New insn.
4359 (*insv_l<mode>_reg_extimm): New insn.
4361 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4363 * config/picochip/picochip.c (flag_conserve_stack): set
4364 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4365 fconserve-stack. Reduce call-overhead used by inliner.
4367 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4370 * common.opt (flag_conserve_stack): Initialised to zero.
4372 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4375 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4376 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4379 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4381 * ira-color.c (allocno_reload_assign): Update comments.
4382 * regmove.c (regmove_optimize): Likewise.
4386 2009-01-29 Robert Millan <rmh@aybabtu.com>
4388 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4389 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4390 `MD_UNWIND_SUPPORT'.
4391 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4393 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4395 PR tree-optimization/39007
4396 * tree-loop-distribution.c (generate_builtin): Use
4397 recompute_dominator to compute the immediate dominator of the
4398 basic block just after the loop.
4400 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4402 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4403 (ASM_OUTPUT_DWARF_PCREL): Define.
4405 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4407 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4408 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4409 global. Modify entries about regmove and IRA.
4411 * ra-conflict.c: Remove the file.
4413 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4415 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4416 (pass_regclass_init): Rename to pass_reginfo_init.
4418 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4420 * toplev.h (flag_ira): Remove.
4422 * caller-save.c (setup_save_areas): Remove flag_ira.
4424 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4426 * global.c: Remove the file.
4428 * opts.c (decode_options): Remove flag_ira.
4430 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4432 * regmove.c: Modify file description.
4433 (find_use_as_address, try_auto_increment): Define them only if
4434 AUTO_INC_DEC is defined.
4435 (replacement_quality, replace_in_call_usage, fixup_match_1,
4436 stable_and_no_regs_but_for_p): Remove.
4437 (reg_set_in_bb): Make it static.
4438 (regmove_optimize): Remove flag_ira and code which worked for
4441 * local-alloc.c: Remove the file.
4443 * common.opt (fira): Remove.
4445 * ira.c: Include except.h.
4446 (eliminable_regset): Move from global.c.
4447 (mark_elimination): Ditto. Remove flag_ira.
4448 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4449 equiv_mem_modified, validate_equiv_mem_from_store,
4450 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4451 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4452 no_equiv, recorded_label_ref): Move from local-alloc.c.
4453 (update_equiv_regs): Ditto. Make it static.
4454 (print_insn_chain, print_insn_chains): Move it from global.c.
4455 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4456 (build_insn_chain): Ditto. Make it static.
4457 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4458 Rename to init_live_subregs.
4459 (gate_ira): Remove flag_ira.
4461 * regclass.c: Rename reginfo.c. Change file description.
4462 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4463 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4464 (init_reg_sets_1): Remove code for evaluation of
4465 reg_class_superclasses and losing_caller_save_reg_set.
4466 (init_regs): Remove init_reg_autoinc.
4467 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4468 ok_for_base_p_nonstrict): Remove.
4469 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4470 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4471 corresponding entries.
4472 (dump_regclass, record_operand_costs, scan_one_insn,
4473 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4474 record_address_regs, auto_inc_dec_reg_p): Remove.
4475 (gt-regclass.h): Rename to gt-reginfo.h.
4477 * rtl.h (dump_global_regs, retry_global_alloc,
4478 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4480 * Makefile.in (RA_H): Remove.
4481 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4482 Rename regclass.o to reginfo.o.
4483 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4485 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4486 (GTFILES): Rename regclass.c to reginfo.c.
4488 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4489 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4491 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4492 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4494 (finish_spills): Ditto. Remove code for !flag_ira.
4496 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4499 * doc/invoke.texi (rtl debug options): Complete rewrite.
4500 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4502 * mode-switching.c (pass_mode_switching): Rename pass from
4503 "mode-sw" to "mode_sw".
4504 * except.c (pass_convert_to_eh_ranges): Rename pass from
4505 "eh-ranges" to "eh_ranges".
4506 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4510 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4511 Alexander Monakov <amonakov@ispras.ru>
4514 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4516 (move_exprs_to_boundary): Change return type and pass through
4517 should_move from move_op. Relax assert. Update usage ...
4518 (schedule_expr_on_boundary): ... here. Use should_move instead of
4520 (move_op_orig_expr_found): Indicate that insn was disconnected from
4522 (code_motion_process_successors): Do not call after_merge_succs
4523 callback if original expression was not found when traversing any of
4525 (code_motion_path_driver): Change return type. Update prototype.
4526 (move_op): Update comment. Add a new parameter (should_move). Update
4527 prototype. Set *should_move based on indication provided by
4528 move_op_orig_expr_found.
4530 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4532 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4533 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4534 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4535 * config/rs6000/rs6000.c (rs6000_override_options): Default
4536 avoid-indexed-addresses on for Power6, off for everything else.
4537 (avoiding_indexed_address_p): New function.
4538 (rs6000_legitimize_address): Use it.
4539 (rs6000_legitimate_address): Likewise.
4540 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4542 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4544 PR tree-optimization/38997
4545 * tree-loop-distribution.c (generate_memset_zero): Use
4546 POINTER_PLUS_EXPR for a pointer addition.
4548 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4550 * config/s390/s390.md (bswap<mode>2): New pattern added.
4552 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4554 * config/s390/s390.md (*tls_load_31): Added type attribute.
4556 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4558 * config/s390/s390.md: Fix a few comments.
4560 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4562 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4563 (*tm<mode>_full): Fixed z10prop attribute.
4564 (*tst<mode>_extimm): Fixed z10prop attribute.
4565 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4566 (*tstqiCCT_cconly): Fixed z10prop attribute.
4567 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4568 (*movsi_larl): Fixed z10prop attribute.
4569 (*movsi_zarch): Fixed z10prop attribute.
4570 (*movsi_eas): Fixed z10prop attribute.
4571 (*movhi): Fixed z10prop attribute.
4572 (*movqi): Fixed z10prop attribute.
4573 (*movstrictqi): Fixed z10prop attribute.
4574 (*mov<mode>): Fixed z10prop attribute.
4575 (*movcc): Fixed z10prop attribute.
4576 (*sethighpartdi_64): Fixed z10prop attribute.
4577 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4578 (*negdi2_sign_cc): Fixed z10prop attribute.
4579 (*negdi2_sign): Fixed z10prop attribute.
4580 (*absdi2_sign_cc): Fixed z10prop attribute.
4581 (*absdi2_sign): Fixed z10prop attribute.
4582 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4583 (*negabsdi2_sign): Fixed z10prop attribute.
4584 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4585 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4586 (doloop_si64): Fixed z10prop attribute.
4587 (doloop_si31): Fixed z10prop attribute.
4588 (doloop_long): Fixed z10prop attribute.
4589 (indirect_jump): Fixed z10prop attribute.
4590 (nop): Fixed z10prop attribute.
4591 (main_base_64): Fixed z10prop attribute.
4592 (reload_base_64): Fixed z10prop attribute.
4594 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4596 PR rtl-optimization/38740
4597 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4599 * config/mips/mips.c (mips_reorg): Likewise.
4601 2009-01-28 Richard Guenther <rguenther@suse.de>
4603 PR tree-optimization/38926
4604 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4605 with the correct value id to a value.
4606 (do_regular_insertion): Use the value number of edoubleprime
4607 for the value number of the expr.
4610 2008-08-21 Richard Guenther <rguenther@suse.de>
4612 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4613 a PHI ask VN if it is already available.
4614 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4615 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4617 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4620 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4621 set to varying whenever max has TREE_OVERFLOW set, similarly
4622 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4624 2009-01-28 Richard Guenther <rguenther@suse.de>
4627 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4628 uninitialized aggregate uses in call arguments.
4630 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4632 PR tree-optimization/38984
4633 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4634 the nothing_id variable if -fno-delete-null-pointer-checks.
4636 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4639 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4640 (set_got_offset_rex64): Ditto.
4642 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4645 * doc/extend.texi: Improve local variable with asm reg.
4647 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4649 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4650 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4651 was not supplied then set warn_packed_bitfield_compat to the
4653 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4656 2009-01-27 Richard Guenther <rguenther@suse.de>
4658 PR tree-optimization/38503
4659 * cfgexpand.c (expand_gimple_basic_block): Ignore
4660 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4661 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4662 variables that cannot have TBAA applied.
4663 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4666 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4669 * calls.c (initialize_argument_information): Do not wrap complex
4670 arguments in SAVE_EXPR.
4672 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4674 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4675 (INSTALL_LIBGCC): Revert typo commit.
4677 2009-01-26 Richard Guenther <rguenther@suse.de>
4679 PR tree-optimization/38745
4680 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4681 from special handling.
4683 2009-01-26 Richard Guenther <rguenther@suse.de>
4685 PR tree-optimization/38745
4686 * tree-ssa.c (execute_update_addresses_taken): Do not include
4687 variables that cannot possibly be a register in not_reg_needs.
4688 Do not clear TREE_ADDRESSABLE on vars that may not become
4690 * tree-ssa.c (update_alias_info_1): Include those in the set
4691 of addressable vars.
4693 2009-01-26 Richard Guenther <rguenther@suse.de>
4696 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4697 * tree-ssa-dse.c: Include langhooks.h
4698 (execute_simple_dse): Remove stores with zero size.
4700 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4703 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4706 2009-01-24 Julian Brown <julian@codesourcery.com>
4708 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4709 config/arm/linux-atomic.c.
4710 * config/arm/linux-atomic.c: New.
4712 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4714 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4715 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4716 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4718 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4721 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4724 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4726 PR tree-optimization/38953
4727 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4728 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4729 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4730 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4733 2009-01-24 Paul Brook <paul@codesourcery.com>
4735 * config/arm/neon.md (neon_type): Move to arm.md.
4736 (neon_mov<VSTRUCT>): Add neon_type attribute.
4737 * config/arm/arm.md (neon_type): Move to here.
4738 (conds): Add "unconditioal" and use as default for NEON insns.
4740 2009-01-24 Ben Elliston <bje@au.ibm.com>
4742 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4743 void *' warning from -Wc++-compat.
4744 * Makefile.in (dominance.o-warn): Remove.
4746 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4748 PR tree-optimization/38932
4749 * fold-const.c (fold_unary_ignore_overflow): New.
4750 * tree.h (fold_unary_ignore_overflow): Declare.
4751 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4752 * tree-ssa-sccvn.c (visit_reference_op_load,
4753 simplify_unary_expression): Likewise.
4755 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4757 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4758 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4759 regardless of their type.
4760 * c-common.c (handle_packed_attribute): Don't ignore packed on
4762 * c.opt (Wpacked-bitfield-compat): New warning option.
4763 * stor-layout.c (place_field): Warn if offset of a field changed.
4764 * doc/extend.texi (packed): Mention the ABI change.
4765 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4766 (Warning Options): Add it to the list.
4768 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4770 * c-opts.c (c_common_post_options): Fix a typo in comments.
4772 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4775 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4776 variables to static.
4777 * doc/invoke.texi (-fmerge-all-constants): Update description.
4779 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4782 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4783 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4785 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4787 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4789 (LOCAL_ALIGNMENT): Similarly.
4791 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4792 Joseph Myers <joseph@codesourcery.com>
4794 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4795 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4796 * config/arm/arm-tune.md: Regenerate.
4797 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4800 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4802 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4803 version number to five.
4805 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4808 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4809 * c-common.c (set_underlying_type): Likewise.
4810 (is_typedef_decl ): Likewise
4812 (set_underlying_type): Likewise.
4813 (is_typedef_type): Likewise.
4815 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4818 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4821 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4824 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4825 (LIBGCC_SPEC): Don't define.
4826 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4828 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4830 PR rtl-optimization/38879
4831 * alias.c (base_alias_check): Unaligned access via AND address can
4832 alias all surrounding object types except those with sizes equal
4833 or wider than the size of unaligned access.
4835 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4838 * c-decl.c (clone_underlying_type): Move this ...
4839 * c-common.c (set_underlying_type): ... here.
4840 Also, make sure the function properly sets TYPE_STUB_DECL() on
4841 the newly created typedef variant type.
4842 (is_typedef_decl ): New entry point.
4843 * tree.h: Added a new member member_types_needing_access_check to
4844 struct tree_decl_non_common.
4845 (set_underlying_type): New entry point.
4846 (is_typedef_type): Likewise.
4848 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4850 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4851 Check whether two instructions have memory references that
4852 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4853 are helper functions for traversing.
4854 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4855 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4856 not to draw dependency edge for instructions with non-conflicting
4859 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4862 * longlong.h: Update copyright years. Use soft-fp license notice.
4863 Sync __clz_tab declaration with glibc.
4865 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4868 * doc/extend.texi (syscall_linkage): New.
4869 (version_id): Modify.
4871 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4872 Richard Guenther <rguenther@suse.de>
4874 PR tree-optimization/38747
4875 PR tree-optimization/38748
4876 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4877 conversion if the base address is an indirect reference and the
4878 aliasing sets could cause issues.
4880 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4882 * common.opt (fgraphite, fgraphite-identity): Add comment for
4883 explaining why these options are not documented.
4885 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4887 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4888 gimple_call_lhs is NULL.
4890 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4893 * emit-rtl.c (adjust_address_1): Make sure memref is never
4896 2009-01-20 Ben Elliston <bje@au.ibm.com>
4898 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4899 const qualifier from arg parameter. Remove unnecessary cast to char *.
4900 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4901 const qualifier from arg 2.
4903 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4905 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4907 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4910 * rtl.h (reinit_regs): New prototype.
4911 * regclass.c: Include ira.h.
4913 * Makefile.in (regclass.o): Add ira.h.
4914 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4916 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4919 * c-common.c (handle_aligned_attribute): Use
4920 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4921 default alignment value.
4923 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4925 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4926 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4928 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4929 __BIGGEST_ALIGNMENT__.
4931 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4933 2009-01-18 Richard Guenther <rguenther@suse.de>
4935 PR tree-optimization/38819
4936 * tree-flow.h (operation_could_trap_helper_p): Declare.
4937 * tree-eh.c (operation_could_trap_helper_p): Export.
4938 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4939 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4940 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4941 are about to insert a possibly trapping instruction and fail
4944 2009-01-18 Andreas Schwab <schwab@suse.de>
4946 * doc/install.texi (Configuration): Remove obsolete paragraph
4947 about use of --with-gnu-ld with --with-gnu-as.
4949 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4951 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4952 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4953 Follow spelling conventions.
4955 2009-01-18 Ben Elliston <bje@au.ibm.com>
4957 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4958 C++ warning about implicit conversion from void * to struct
4960 (bitmap_obstack_free): Likewise for bitmap_element *.
4961 * Makefile.in (bitmap.o-warn): Remove.
4963 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4965 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4967 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4968 Tobias Grosser <tobi.grosser@amd.com>
4970 * graphite.c (graphite_trans_scop_block): Do not block single
4973 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4975 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4976 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4977 test with assertion.
4979 2009-01-16 Richard Guenther <rguenther@suse.de>
4981 PR tree-optimization/38835
4983 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4984 and INT + PTR -> (INT)(PTR p+ INT) folding.
4985 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4987 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4990 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4991 the subreg from a lowpart subreg if it is also casting the value.
4993 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4994 Tobias Grosser <tobi.grosser@amd.com>
4996 * graphite.c (compare_prefix_loops): New.
4997 (build_scop_canonical_schedules): Rewritten.
4998 (graphite_transform_loops): Move build_scop_canonical_schedules
4999 after build_scop_iteration_domain.
5001 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5002 Tobias Grosser <tobi.grosser@amd.com>
5004 * graphite.c (add_conditions_to_domain): Add the loops to
5005 the dimension of the iteration domain. Do copy the domain
5006 only when it exists.
5007 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5008 (add_conditions_to_constraints): New.
5009 (can_generate_code_stmt, can_generate_code): Removed.
5010 (gloog): Do not call can_generate_code.
5011 (graphite_transform_loops): Call add_conditions_to_constraints
5012 after building the iteration domain.
5014 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5016 PR tree-optimization/38789
5017 * tree-ssa-threadedge.c
5018 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5019 __builtin_constant_p.
5021 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5023 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5024 examined before deleting them.
5026 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5028 * function.c (aggregate_value_p): Correctly extract the function
5029 type from CALL_EXPR_FN lookup.
5031 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5033 * config/picochip/picochip.c (picochip_override_options): Revert
5034 CFI asm flag disable commited previously.
5036 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5037 Tobias Grosser <tobi.grosser@amd.com>
5038 Jan Sjodin <jan.sjodin@amd.com>
5040 * graphite.c (scan_tree_for_params): On substractions negate
5041 all the coefficients of the term.
5042 (clast_to_gcc_expression_red): New. Handle reduction expressions
5043 of more than two operands.
5044 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5045 (get_vdef_before_scop): Handle also the case of default definitions.
5047 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5049 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5050 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5051 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5053 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5054 Joey Ye <joey.ye@intel.com>
5057 * cfgexpand.c (expand_stack_alignment): Don't update stack
5058 boundary nor check incoming stack boundary here.
5059 (gimple_expand_cfg): Update stack boundary and check incoming
5060 stack boundary here.
5062 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5064 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5066 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5068 PR rtl-optimization/38245
5069 * calls.c (expand_call): Add stack arguments to
5070 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5071 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5072 in regs and partially in memory or BLKmode arguments.
5073 (emit_library_call_value_1): Add stack arguments to
5074 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5075 ACCUMULATE_OUTGOING_ARGS).
5076 * dce.c: Include tm_p.h.
5077 (find_call_stack_args): New function.
5078 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5080 (mark_insn): Call find_call_stack_args for CALL_Ps.
5081 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5082 forwards. Allocate and free arg_stores bitmap if needed, pass it
5083 down to deletable_insn_p, don't mark stores set in arg_stores
5084 bitmap, clear the bitmap at the beginning of each bb.
5085 * Makefile.in (dce.o): Depend on $(TM_P_H).
5087 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5090 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5091 to make sure the insn is a conditional test (bug 22599). Reformat a
5094 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5097 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5098 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5099 (gloog): Do not call cleanup_tree_cfg.
5100 (graphite_transform_loops): Call cleanup_tree_cfg after all
5101 scops have been code generated.
5103 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5104 * doc/gty.texi (Invoking the garbage collector): Added new node
5105 and section documenting ggc_collect.
5107 2009-01-14 Richard Guenther <rguenther@suse.de>
5109 PR tree-optimization/38826
5111 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5112 initialization notes only if we actually emitted a warning.
5113 (intra_create_variable_infos): Add constraints for a result decl
5114 that is passed by hidden reference.
5115 (build_pred_graph): Mark all related variables non-direct on
5118 2009-01-14 Nick Clifton <nickc@redhat.com>
5120 * ira-conflicts.c: Include addresses.h for the definition of
5122 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5123 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5125 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5128 * Makefile.in (ira-lives.o): Add except.h.
5130 * ira-lives.c: Include except.h.
5131 (process_bb_node_lives): Process can_throw_internal.
5133 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5135 PR rtl-optimization/38774
5136 * combine.c (simplify_set): When undoing cc_use change, don't do
5137 PUT_CODE on the newly created comparison, but instead put back the
5140 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5142 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5143 values. Remove duplicate arm8 entry.
5145 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5147 PR tree-optimization/38786
5148 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5149 the SSA_NAME case of expand_scalar_variables_expr.
5150 Set the type of an expression to the type of its assign statement.
5151 (expand_scalar_variables_expr): Also gather the scalar computation
5152 used to index the memory access. Do not pass loop_p.
5153 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5154 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5155 the gimple_stmt_iterator where it inserts new code.
5157 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5158 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5160 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5162 * graphite.h (debug_value): Removed.
5163 * graphite.c (debug_value): Removed.
5165 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5167 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5168 ldrd/strd with two 32-bit instructions.
5170 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5172 * config/arm/arm.c (struct processors): Pass for speed down into
5173 cost helper functions.
5174 (const_ok_for_op): Handle COMPARE and inequality nodes.
5175 (arm_rtx_costs_1): Rewrite.
5176 (arm_size_rtx_costs): Update prototype.
5177 (arm_rtx_costs): Pass speed down to helper functions.
5178 (arm_slowmul_rtx_costs): Rework cost calculations.
5179 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5180 (arm_9e_rtx_costs): Likewise.
5182 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5184 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5185 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5186 (alpha_legitimize_address): Do not split local symbols wider than
5187 UNITS_PER_WORD into HIGH/LO_SUM parts.
5189 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5192 * gcc.c (process_command): Replace call to execvp with calls
5193 to pex_one and exit.
5195 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5198 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5199 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5200 variant for devices with 3-byte PC.
5201 (__tablejump_elpm__): New.
5203 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5206 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5207 offsetof member-designator, handle it as `[0].'.
5209 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5211 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5212 function when not using named sections on targets with named sections
5213 if branch distance is less than 262132.
5215 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5217 * combine.c (combine_instructions): Recompute
5218 optimize_this_for_speed_p for each BB in the main combine loop.
5220 2009-01-12 Tomas Bily <tbily@suse.cz>
5223 * tree-loop-distribution.c (prop_phis): New function.
5224 (generate_builtin): Call prop_phis.
5225 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5227 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5229 PR tree-optimization/38807
5230 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5231 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5233 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5235 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5236 subreg of op0 to the original op0.
5238 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5240 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5242 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5245 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5246 starting with digits.
5248 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5251 * config/arm/arm.c (arm_is_long_call_p): Don't call
5252 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5254 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5256 * regrename.c (regrename_optimize): Fix dumping.
5257 (find_oldest_value_reg): Preserve REG_POINTER.
5258 (copy_hardreg_forward_1): Likewise.
5260 2009-01-09 Diego Novillo <dnovillo@google.com>
5262 * gimple.h (struct gimple_statement_base) <uid>: Document
5263 the restrictions on its use.
5265 (gimple_set_uid): Tidy.
5267 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5269 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5270 zero guard even if align_bytes != 0 and count is smaller than
5273 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5275 PR rtl-optimization/38495
5276 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5277 (add_range_and_copies_from_move_list): Print all added ranges.
5278 Add ranges to memory optimized destination.
5280 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5284 * config/i386/i386.c (override_options): Reject
5285 -mstringop-strategy=rep_8byte with -m32.
5286 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5287 to 1. Do count comparison against epilogue_size_needed at compile
5288 time even when count_exp was constant forced into register. For
5289 size_needed don't jump to epilogue, instead just avoid aligning
5290 and invoke the body algorithm. If need_zero_guard, add zero guard
5291 even if count is non-zero, but smaller than size_needed + number of
5292 bytes that could be stored for alignment.
5293 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5294 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5295 but smaller than size_needed + number of bytes that could be stored
5296 for alignment. Compare size_needed with epilogue_size_needed instead
5297 of desired_align - align, don't adjust size_needed, pass
5298 epilogue_size_needed to the epilogue expanders.
5301 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5303 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5305 * pa.c (last_address): Change to unsigned.
5306 (update_total_code_bytes): Change argument to unsigned. Don't
5307 check if insn addresses are set.
5308 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5309 addresses are not set.
5310 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5312 2009-01-09 Nick Clifton <nickc@redhat.com>
5314 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5315 DECL_DECLARED_INLINE_P.
5317 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5320 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5321 GET_MODE (op0) in operand_subword_force calls.
5324 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5325 fold_convert arg0 operands to TREE_TYPE (op0) first.
5327 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5329 * params.def (ira-max-conflict-table-size): Decrease default value
5332 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5334 PR tree-optimization/37031
5335 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5337 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5338 allocate it using gc instead of heap, use VEC_quick_push instead of
5340 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5341 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5342 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5343 allocated vector from heap allocated.
5344 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5345 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5346 vector only after perfect_loop_nest_depth call.
5348 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5349 Jan Sjodin <jan.sjodin@amd.com>
5351 PR tree-optimization/38559
5352 * graphite.c (debug_value, copy_constraint,
5353 swap_constraint_variables, scale_constraint_variable, ): New.
5354 (get_lower_bound, get_upper_bound): Removed.
5355 (graphite_trans_bb_strip_mine): Clean up this code that works
5356 only for constant number of iterations. Fully copy upper and
5357 lower bound constraints, not only the constant part of them.
5358 * graphite.h (debug_value): Declared.
5360 2009-01-08 Ira Rosen <irar@il.ibm.com>
5362 PR tree-optimization/37194
5363 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5364 Don't add the cost of cost model guard in prologue to scalar
5365 outside cost in case of known number of iterations.
5367 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5368 Alan Modra <amodra@bigpond.net.au>
5370 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5371 non-word-aligned REG+CONST addressing.
5373 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5376 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5377 free_after_compilation when outputting a thunk.
5378 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5379 Do not call free_after_compilation here.
5381 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5383 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5384 (ix86_valid_target_attribute_inner_p): Ditto.
5386 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5388 PR tree-optimization/38492
5389 PR tree-optimization/38498
5390 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5391 * tree-chrec.h (scev_is_linear_expression): Declared.
5392 * graphite.c (graphite_cannot_represent_loop_niter): New.
5393 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5394 (graphite_loop_normal_form): Use gcc_assert.
5395 (scan_tree_for_params): Use CASE_CONVERT.
5396 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5397 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5398 Use gcc_assert. Discard scops that contain unhandled cases.
5399 (build_scop_conditions): Return a boolean status for unhandled cases.
5400 (strip_mine_profitable_p): Print the loop number, not its depth.
5401 (is_interchange_valid): Pass the depth of the loop nest, don't
5402 recompute it wrongly.
5403 (graphite_trans_bb_block): Same.
5404 (graphite_trans_bb_block): Print tentative of loop blocking.
5405 (graphite_trans_scop_block): Do not print that the loop has been
5407 (graphite_transform_loops): Do not handle scops that contain condition
5410 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5412 AVX Programming Reference (December, 2008)
5413 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5414 (_mm256_stream_pd): Likewise.
5415 (_mm256_stream_ps): Likewise.
5417 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5418 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5419 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5420 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5421 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5422 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5423 (ix86_expand_special_args_builtin): Likewise.
5425 * config/i386/sse.md (AVXMODEDI): New.
5426 (avx_movnt<mode>): Likewise.
5427 (avx_movnt<mode>): Likewise.
5428 (<sse>_movnt<mode>): Remove AVX support.
5429 (sse2_movntv2di): Likewise.
5431 2009-01-07 Richard Guenther <rguenther@suse.de>
5434 * fold-const.c (extract_muldiv): Remove obsolete comment.
5435 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5436 to PLUS_EXPR canonicalization for the canonicalization.
5438 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5440 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5441 hosted cross-compilers generating less efficient code.
5443 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5445 * function.h (rtl_data): Add a dbr_scheduled_p field.
5446 * reorg.c (dbr_schedule): Set it.
5447 (gate_handle_delay_slots): Check it.
5448 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5449 (mips_reorg): Check flag_delayed_branch instead of
5450 mips_base_delayed_branch.
5451 (mips_override_options): Don't set mips_base_delayed_branch
5452 or flag_delayed_branch.
5454 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5456 PR rtl-optimization/38426.
5457 * ira.c (ira): Set current_function_is_leaf earlier.
5459 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5461 PR rtl-optimization/38722
5462 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5463 too early, only set a flag and modify after last possible
5466 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5469 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5470 * real.c (decimal_single_format): Correct values of emin and emax.
5471 (decimal_double_format): Ditto.
5472 (decimal_quad_format): Ditto.
5473 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5474 computation of DECnn_MIN and DECnn_MAX for corrected values of
5475 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5476 __DECnn_MIN__, and adjust its computation for the corrected value
5479 2009-01-06 Jan Hubicka <jh@suse.cz>
5482 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5484 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5486 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5487 Add Robert Clark to the list of testers.
5489 2009-01-06 Jan Hubicka <jh@suse.cz>
5490 Kai Tietz <kai.tietz@onevision.com>
5492 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5493 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5495 2009-01-06 Jan Hubicka <jh@suse.cz>
5496 Kai Tietz <kai.tietz@onevision.com>
5498 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5500 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5501 (ix86_nsaved_regs): Count only general purpose regs.
5502 (ix86_nsaved_sseregs): New.
5503 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5504 to 16 for w64; compute padding and size of sse reg save area.
5505 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5506 general purpose regs.
5507 (ix86_emit_save_sse_regs_using_mov): New.
5508 (ix86_expand_prologue): Save SSE regs if needed.
5509 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5510 (ix86_emit_restore_sse_regs_using_mov): New.
5511 (ix86_expand_epilogue): Save SSE regs if needed.
5513 2009-01-06 Jan Hubicka <jh@suse.cz>
5514 Kai Tietz <kai.tietz@onevision.com>
5516 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5517 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5518 functions when accumulate outgoing args is off.
5520 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5523 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5524 before using pseudos_have_intersected_live_ranges_p.
5526 * ira-int.h (ira_assert): Always define.
5528 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5530 AVX Programming Reference (December, 2008)
5531 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5532 (_mm256_permute2_pd): Likewise.
5533 (_mm_permute2_ps): Likewise.
5534 (_mm256_permute2_ps): Likewise.
5535 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5536 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5538 * config/i386/i386.c (ix86_builtins): Remove
5539 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5540 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5541 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5542 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5543 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5544 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5545 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5546 __builtin_ia32_vpermil2ps256.
5547 (ix86_init_mmx_sse_builtins): Updated.
5548 (ix86_expand_args_builtin): Likewise.
5550 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5552 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5553 long absolute calls when generating PA 2.0 code.
5555 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5557 PR rtl-optimization/38583
5558 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5560 * params.def (ira-max-conflict-table-size): New.
5562 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5564 * ira.h (ira_conflicts_p): New external definition.
5566 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5567 table. Report this. Return result of building.
5568 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5569 building conflict table.
5571 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5572 (ira_color): Use ira_conflicts_p.
5574 * global.c: Include ira.h.
5575 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5578 * Makefile.in (global.o): Add ira.h.
5580 * ira-build.c (mark_all_loops_for_removal,
5581 propagate_some_info_from_allocno): New.
5582 (remove_unnecessary_allocnos): Call
5583 propagate_some_info_from_allocno.
5584 (remove_low_level_allocnos): New.
5585 (remove_unnecessary_regions): Add parameter. Call
5586 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5587 parameter to remove_unnecessary_regions.
5588 (ira_build): Remove all regions but root if the conflict table was
5589 not built. Update conflict hard regs for allocnos crossing calls.
5591 * ira.c (ira_conflicts_p): New global.
5592 (ira): Define and use ira_conflicts_p.
5594 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5595 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5596 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5598 2009-01-06 Ben Elliston <bje@au.ibm.com>
5600 * gengtype-lex.l (YY_NO_INPUT): Define.
5602 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5605 * c-common.c (handle_vector_size_attribute): Also reject
5608 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5610 PR tree-optimization/38492
5611 * graphite.c (rename_map_elt, debug_rename_elt,
5612 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5613 rename_map_elt_info, eq_rename_map_elts,
5614 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5615 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5616 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5617 (sese_build_livein_liveouts): New.
5618 (new_sese, free_sese): New.
5619 (new_scop): Call new_sese.
5620 (free_scop): Call free_sese.
5621 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5622 (register_old_new_names): Renamed register_old_and_new_names.
5623 (register_scop_liveout_renames, add_loop_exit_phis,
5624 insert_loop_close_phis, struct igp,
5625 default_liveout_before_guard, add_guard_exit_phis,
5626 insert_guard_phis, copy_renames): New.
5627 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5628 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5629 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5630 (scop_adjust_phis_for_liveouts): New.
5631 (gloog): Call scop_adjust_phis_for_liveouts.
5633 * graphite.h (struct sese): Documented. Added fields liveout,
5635 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5636 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5637 (struct scop): Added field liveout_renames.
5638 (SCOP_LIVEOUT_RENAMES): New.
5640 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5642 PR tree-optimization/38510
5643 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5644 (translate_clast): Call recompute_all_dominators before
5646 (gloog): Call recompute_all_dominators before graphite_verify.
5648 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5649 Jan Sjodin <jan.sjodin@amd.com>
5651 PR tree-optimization/38500
5652 * graphite.c (create_sese_edges): Call fix_loop_structure after
5655 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5657 * config.gcc: Add m32r*-*-rtems*.
5658 * config/m32r/rtems.h: New file.
5660 2009-01-05 Ben Elliston <bje@au.ibm.com>
5662 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5663 (.po.pox): Likewise.
5664 (po/gcc.pot): Likewise.
5666 2009-01-04 David S. Miller <davem@davemloft.net>
5668 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5669 (STARTING_FRAME_OFFSET): Always set to zero.
5671 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5673 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5674 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5675 fixed-point types, and vectors of the same.
5677 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5679 * config/mips/sync.md (*mb_barrier): Rename to...
5680 (*memory_barrier): ...this.
5682 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5684 * doc/extend.texi (Function Attributes): Move @cindex after @item
5685 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5686 and put in alphabetical order. Fix 'target' name and put in order.
5687 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5690 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5692 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5693 (memory_barrier): Expand as unspec instead of unspec_volatile.
5694 Remove mem:BLK from insn operands. Use Pmode scratch register.
5695 (*memory_barrier): Define as unspec instead of unspec_volatile.
5696 Use (match_dup 0) as input operand.
5698 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5699 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5700 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5701 scratch register. Remove operand 1.
5702 (*stbar): Define as unspec instead of unspec_volatile.
5703 Use (match_dup 0) as input operand, remove (const_int 8).
5704 (*membar): Define as unspec instead of unspec_volatile.
5705 Use (match_dup 0) as input operand, remove input operand 2.
5707 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5708 (memory_barrier): Expand as unspec instead of unspec_volatile.
5709 Remove mem:BLK from insn operands. Use Pmode scratch register.
5710 (*memory_barrier): Define as unspec instead of unspec_volatile.
5711 Use (match_dup 0) as input operand.
5713 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5714 Remove mem:BLK from insn operands. Use Pmode scratch register.
5715 Set volatile flag on operand 0.
5716 (*memory_barrier): New insn pattern.
5718 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5720 (*memory_barrier): Use (match_dup 0) as input operand.
5722 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5723 Remove mem:BLK from insn operands. Use Pmode scratch register.
5724 Set volatile flag on operand 0.
5725 (*mb_internal): New insn pattern.
5727 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5729 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5732 * function.c (struct temp_slot): Move to the section of the file
5733 that deals with temp slots. Remove field 'address'.
5734 (temp_slot_address_table): New hash table of address -> temp slot.
5735 (struct temp_slot_address_entry): New struct, items for the table.
5736 (temp_slot_address_compute_hash, temp_slot_address_hash,
5737 temp_slot_address_eq, insert_temp_slot_address): Support functions
5739 (find_temp_slot_from_address): Rewrite to use the new hash table.
5740 (remove_unused_temp_slot_addresses): Remove addresses of temp
5741 slots that have been made available.
5742 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5743 worker function for remove_unused_temp_slot_addresses.
5744 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5745 Add the temp slot address to the address -> temp slot map.
5746 (update_temp_slot_address): Update via insert_temp_slot_address.
5747 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5748 (pop_temp_slots): Likewise.
5749 (init_temp_slots): Allocate the address -> temp slot map, or empty
5750 the map if it is already allocated.
5751 (prepare_function_start): Initialize temp slot processing.
5753 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5756 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5757 Calculate the size of all stack vars assuming no packing of stack
5758 vars will happen, replacing a quadratic algorithm with a linear one.
5760 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5763 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5766 2009-01-03 Diego Novillo <dnovillo@google.com>
5768 * doc/contrib.texi: Update contributions.
5770 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5773 * builtins.c (fold_builtin_memory_op): Give up if either operand
5774 is volatile. Set srctype or desttype to non-qualified version
5778 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5781 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5783 PR rtl-optimization/35805
5784 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5785 problem if fast dce is able to remove any instructions.
5786 * dce.c (dce_process_block): Fix dump message.
5788 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5791 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5793 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5796 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5797 * tree-pretty-print.c (op_code_prio): New function.
5798 (op_prio): No longer static. Use op_code_prio.
5799 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5800 Use op_prio and op_code_prio to determine if () should be
5801 printed around operand(s) or not.
5803 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5804 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5805 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5806 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5807 pp_character instead of pp_string for single letter printing.
5809 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5811 * doc/extend.texi: Fix '#pragma GCC option' typo.
5813 2009-01-02 Richard Guenther <rguenther@suse.de>
5815 * doc/install.texi (--enable-checking): Mention different
5817 (--enable-stage1-checking): Document.
5819 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5822 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5823 case to be an error.
5825 2009-01-02 Ben Elliston <bje@au.ibm.com>
5827 * config/fp-bit.h (pack_d): Constify argument.
5828 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5829 (isnan): Constify argument.
5833 (_fpadd_parts): Constify return type.
5834 (_fpmul_parts): Likewise.
5835 (_fpdiv_parts): Likewise.
5837 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5840 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5841 warn about overwriting initializer with side-effects or
5842 -Woverride-init if !IMPLICIT.
5843 (output_init_element): Likewise. Pass IMPLICIT down to
5845 (process_init_element): Add IMPLICIT argument. Pass it down
5846 to output_init_element.
5847 (push_init_element, pop_init_level, set_designator): Adjust
5848 process_init_element callers.
5849 (set_nonincremental_init, set_nonincremental_init_from_string):
5850 Adjust add_pending_init callers.
5851 (output_pending_init_elements): Adjust output_init_element callers.
5852 * c-tree.h (process_init_element): Adjust prototype.
5853 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5854 process_init_element callers.