1 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
3 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5 (ic_invalidate_array): Likewise.
7 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
9 * calls.c (emit_library_call_value_1): Fix a problem with parameter
10 alignment for library calls.
12 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
14 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
15 (mingw32 tm clause use_gcc_stdint): Set to wrap.
16 * config/i386/mingw-stdint.h: New file.
18 2009-04-05 Richard Guenther <rguenther@suse.de>
20 PR tree-optimization/39648
21 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
22 our &A vs. &A[0] IL deficiencies.
24 2009-04-04 Jan Hubicka <jh@suse.cz>
26 * except.c (sjlj_find_directly_reachable_regions): Be ready for
27 removed toplevel regions.
28 (sjlj_mark_call_sites): Likewise.
30 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
32 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
33 (cygwin tm clause use_gcc_stdint): Set to wrap.
34 * config/i386/cygwin-stdint.h: New file.
36 2009-04-04 Richard Guenther <rguenther@suse.de>
38 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
39 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
40 single-argument PHIs if we are in loop-closed SSA form.
41 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
42 for the pre-condition.
43 (slpeel_tree_peel_loop_to_edge): Likewise.
44 (vect_build_loop_niters): Take an optional sequence to append stmts.
45 (vect_generate_tmps_on_preheader): Likewise.
46 (vect_do_peeling_for_loop_bound): Take extra guards for the
48 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
50 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
51 guards if we are going to peel. Do not apply versioning in that
53 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
54 (vect_do_peeling_for_loop_bound): Likewise.
55 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
56 loop bound only record extra pre-conditions, do not apply loop
59 2009-04-04 Richard Guenther <rguenther@suse.de>
61 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
64 2009-04-04 Jan Hubicka <jh@suse.cz>
66 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
67 last_basic_block for size of bb->index indexed array.
68 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
69 compute_out, link_btr_uses, build_btr_def_use_webs,
70 build_btr_def_use_webs, migrate_btr_defs): Likewise.
72 2009-04-04 Jan Hubicka <jh@suse.cz>
74 * except.c (remove_eh_handler_and_replace): Break out from ...
75 (remove_eh_handler): ... here.
76 (bring_to_root): New function.
77 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
78 handled ones, bring others to root of tree.
80 2009-04-04 Jan Hubicka <jh@suse.cz>
82 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
83 (all_phis_safe_to_merge): New function.
84 (update_info): New structure.
85 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
86 (cleanup_empty_eh): Update SSA if possible.
88 2009-04-04 Richard Guenther <rguenther@suse.de>
90 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
91 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
92 (append_vuse): Likewise.
94 2009-04-04 Jakub Jelinek <jakub@redhat.com>
96 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
97 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
98 instead of REG_UNSAVED for DW_CFA_undefined.
99 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
100 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
103 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
106 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
107 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
108 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
110 2009-04-04 Richard Guenther <rguenther@suse.de>
112 PR tree-optimization/8781
113 PR tree-optimization/37892
114 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
115 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
116 (valueize_refs): Call it for *& valueizations.
117 (shared_reference_ops_from_ref): Rename to ...
118 (valueize_shared_reference_ops_from_ref): ... this and valueize.
119 (shared_reference_ops_from_call): Rename to ...
120 (valueize_shared_reference_ops_from_call): ... this and valueize.
121 (vn_reference_lookup): Update.
122 (visit_reference_op_call): Likewise.
123 * tree-ssa-pre.c (phi_translate_1): Fold *&.
124 (eliminate): Value-replace the call address in call statements.
126 2009-04-04 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/39636
129 * tree-ssa-forwprop.c
130 (forward_propagate_addr_into_variable_array_index): Check for
131 GIMPLE_ASSIGN before accessing the rhs code.
133 2009-04-03 Jason Merrill <jason@redhat.com>
135 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
137 2009-04-03 Steve Ellcey <sje@cup.hp.com>
139 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
140 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
141 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
142 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
143 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
144 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
145 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
146 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
147 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
148 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
149 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
150 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
151 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
152 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
153 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
154 Use fr_reg_or_fp01_operand instead of fr_register_operand
156 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
157 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
158 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
160 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
162 PR rtl-optimization/39607
163 PR rtl-optimization/39631
165 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
166 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
167 instead of DF_LR_OUT.
168 * ira-lives.c (process_bb_node_lives): Ditto.
169 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
170 instead of DF_LR_{OUT,IN}.
171 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
172 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
174 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
176 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
177 (execute_lower_omp): Always run but take the short way out if -fopenmp
179 (gate_lower_omp): Remove, forcing the pass manager to always run the
180 pass and always set PROP_gimple_lomp.
181 (pass_lower_omp): Remove gate function.
182 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
183 PROP_trees. Instead, require it.
184 * ipa-cp.c (pass_ipa_cp): Likewise.
185 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
186 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
187 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
190 2009-04-03 Richard Guenther <rguenther@suse.de>
193 PR tree-optimization/23940
194 PR tree-optimization/33237
197 PR tree-optimization/36201
198 PR tree-optimization/36230
199 PR tree-optimization/38049
200 PR tree-optimization/38207
201 PR tree-optimization/38230
202 PR tree-optimization/38301
203 PR tree-optimization/38585
205 PR tree-optimization/38985
206 PR tree-optimization/39299
207 * tree-ssa-structalias.h: Remove.
208 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
209 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
210 (struct vuse_element_d): Remove.
211 (struct vuse_vec_d): Likewise.
212 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
213 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
214 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
215 VUSE_ELEMENT_VAR): Likewise.
216 (struct voptype_d): Likewise.
217 (NUM_VOP_FREE_BUCKETS): Likewise.
218 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
219 (struct stmt_operands_d): Remove.
220 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
221 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
222 VDEF_NUM, VDEF_VECT): Likewise.
223 (copy_virtual_operands): Remove.
224 (operand_build_cmp): Likewise.
225 (create_ssa_artificial_load_stmt): Likewise.
226 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
227 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
228 vuse_index and mayuse_index members. Pack and move done and iter_type
229 members to the front.
230 (SSA_OP_VMAYUSE): Remove.
231 (SSA_OP_VIRTUAL_USES): Adjust.
232 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
233 (unlink_stmt_vdef): Declare.
234 (add_to_addressable_set): Remove.
235 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
236 (vrp_visit_stmt): Likewise.
237 * doc/tree-ssa.texi (Alias analysis): Update.
238 * doc/invoke.texi (max-aliased-vops): Remove docs.
239 (avg-aliased-vops): Likewise.
240 * tree-into-ssa.c (syms_to_rename): Remove.
241 (need_to_update_vops_p): Likewise.
242 (need_to_initialize_update_ssa_p): Rename to ...
243 (update_ssa_initialized_fn): ... this. Track function we are
245 (symbol_marked_for_renaming): Simplify.
246 (add_new_name_mapping): Do not set need_to_update_vops_p.
247 (dump_currdefs): Use SYMS_TO_RENAME.
248 (rewrite_update_stmt): Always walk all uses/defs.
249 (dump_update_ssa): Adjust.
250 (init_update_ssa): Take function argument. Track what we are
252 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
253 (create_new_def_for): Initialize for cfun, assert we are initialized
255 (mark_sym_for_renaming): Simplify.
256 (mark_set_for_renaming): Do not initialize update-ssa.
257 (need_ssa_update_p): Simplify. Take function argument.
258 (name_mappings_registered_p): Assert we ask for the correct function.
259 (name_registered_for_update_p): Likewise.
260 (ssa_names_to_replace): Likewise.
261 (release_ssa_name_after_update_ssa): Likewise.
262 (update_ssa): Likewise. Use SYMS_TO_RENAME.
263 (dump_decl_set): Do not print a newline.
264 (debug_decl_set): Do it here.
265 (dump_update_ssa): And here.
266 * tree-ssa-loop-im.c (move_computations): Adjust.
267 (movement_possibility): Likewise.
268 (determine_max_movement): Likewise.
269 (gather_mem_refs_stmt): Likewise.
270 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
272 * tree-complex.c (update_all_vops): Remove.
273 (expand_complex_move): Adjust.
274 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
275 Simplify test for memory referencing statement. Exclude
276 non-invariant ADDR_EXPRs.
277 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
278 * tree-loop-distribution.c (generate_memset_zero): Adjust.
279 (rdg_flag_uses): Likewise.
280 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
282 (tree_optimize_tail_calls_1): Also split the
283 edge from the entry block if we have degenerate PHI nodes in
284 the first basic block.
285 * tree.c (init_ttree): Remove memory-tag related code.
286 (tree_code_size): Likewise.
287 (tree_node_structure): Likewise.
288 (build7_stat): Re-write to be build6_stat.
289 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
291 (struct tree_memory_tag): Remove.
292 (struct tree_memory_partition_tag): Likewise.
293 (union tree_node): Adjust.
294 (build7): Re-write to be build6.
295 * tree-pass.h (pass_reset_cc_flags): Remove.
296 (TODO_update_address_taken): New flag.
297 (pass_simple_dse): Remove.
298 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
299 * params.h (MAX_ALIASED_VOPS): Remove.
300 (AVG_ALIASED_VOPS): Likewise.
301 * omp-low.c (expand_omp_taskreg): Update SSA form.
302 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
303 aliases the lhs in a copy stmt.
304 * tree-ssa-dse.c (struct address_walk_data): Remove.
305 (memory_ssa_name_same): Likewise.
306 (memory_address_same): Likewise.
307 (get_kill_of_stmt_lhs): Likewise.
308 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
309 unused stores. Look through PHI nodes into post-dominated regions.
310 (dse_optimize_stmt): Simplify. Properly remove stores.
311 (tree_ssa_dse): Compute dominators.
312 (execute_simple_dse): Remove.
313 (pass_simple_dse): Likewise.
314 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
315 gimple_loaded_syms and gimple_stored_syms computation.
316 * toplev.c (dump_memory_report): Dump alias and pta stats.
317 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
318 (vn_reference_eq): Likewise.
319 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
320 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
321 valueize_vuses): Remove.
322 (get_def_ref_stmt_vuses): Simplify. Rename to ...
323 (get_def_ref_stmt_vuse): ... this.
324 (vn_reference_lookup_2): New function.
325 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
326 walking equivalent vuses. Simplify.
327 (vn_reference_lookup): Likewise.
328 (vn_reference_insert): Likewise.
329 (vn_reference_insert_pieces): Likewise.
330 (visit_reference_op_call): Simplify.
331 (visit_reference_op_load): Likewise.
332 (visit_reference_op_store): Likewise.
333 (init_scc_vn): Remove shared_lookup_vuses initialization.
334 (free_scc_vn): Remove shared_lookup_vuses freeing.
335 (sort_vuses, sort_vuses_heap): Remove.
336 (get_ref_from_reference_ops): Export.
337 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
338 vector with single vuse pointer.
339 (vn_reference_lookup_pieces, vn_reference_lookup,
340 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
341 (shared_vuses_from_stmt): Remove.
342 (get_ref_from_reference_ops): Declare.
343 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
344 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
345 memory-tag related code.
346 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
347 (likely_value): Add comment, skip static-chain of call statements.
348 (surely_varying_stmt_p): Adjust.
349 (gimplify_and_update_call_from_tree): Likewise.
350 (execute_fold_all_builtins): Do not rebuild alias info.
351 (gimplify_and_update_call_from_tree): Properly update VOPs.
352 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
353 (copy_ref_info): Remove memory-tag related code.
354 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
355 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
356 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
358 * tree-ssa-dom.c (gimple_p): Remove typedef.
359 (eliminate_redundant_computations): Adjust.
360 (record_equivalences_from_stmt): Likewise.
361 (avail_expr_hash): Likewise.
362 (avail_expr_eq): Likewise.
363 * tree-ssa-propagate.c (update_call_from_tree): Properly
365 (stmt_makes_single_load): Likewise.
366 (stmt_makes_single_store): Likewise.
367 * tree-ssa-alias.c: Rewrite completely.
368 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
369 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
370 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
371 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
372 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
373 Remove public functions.
374 (pass_reset_cc_flags): Remove.
375 (pass_build_alias): Move ...
376 * tree-ssa-structalias.c (pass_build_alias): ... here.
377 * tree-ssa-alias.c (may_be_aliased): Move ...
378 * tree-flow-inline.h (may_be_aliased): ... here.
379 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
380 count_uses_and_derefs): Move ...
381 * gimple.c: ... here.
382 * gimple.h (count_uses_and_derefs): Declare.
383 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
384 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
385 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
386 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
387 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
388 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
389 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
391 * tree-dfa.c (refs_may_alias_p): Move ...
392 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
393 * tree-ssa-alias.h: New file.
394 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
395 (statement_sink_location): Likewise.
396 * opts.c (decode_options): Do not adjust max-aliased-vops or
397 avg-aliased-vops values.
398 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
399 (TV_CALL_CLOBBER): Likewise.
400 (TV_FLOW_SENSITIVE): Likewise.
401 (TV_FLOW_INSENSITIVE): Likewise.
402 (TV_MEMORY_PARTITIONING): Likewise.
403 (TV_ALIAS_STMT_WALK): New timevar.
404 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
405 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
406 (get_address_description): Remove memory-tag related code.
407 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
408 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
409 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
410 and immediate uses in statements. Document.
411 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
412 (dump_symbols): Remove.
413 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
414 * alias.c (get_deref_alias_set): New function split out from ...
415 (get_alias_set): ... here.
416 * alias.h (get_deref_alias_set): Declare.
417 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
418 type parameter. Remove restrict pointer handling. Create a
419 ref-all pointer in case type-based alias sets do not conflict.
420 (vect_analyze_data_refs): Remove SMT related code.
421 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
422 (vectorizable_load): Likewise.
423 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
424 (DR_SYMBOL_TAG, DR_VOPS): Remove.
425 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
426 Ignore vops and SMTs.
427 (dr_analyze_alias): Likewise..
428 (free_data_ref): Likewise.
429 (create_data_ref): Likewise.
430 (analyze_all_data_dependences): Likewise.
431 (get_references_in_stmt): Adjust.
432 * tree-flow-inline.h (gimple_aliases_computed_p,
433 gimple_addressable_vars, gimple_call_clobbered_vars,
434 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
435 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
436 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
437 gimple_mem_ref_stats): Remove.
438 (gimple_vop): New function.
439 (op_iter_next_use): Remove vuses and mayuses cases.
440 (op_iter_next_def): Remove vdefs case.
441 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
442 (clear_and_done_ssa_iter): Do not set removed fields.
443 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
444 Assert we are not iterating over vuses or vdefs if not also
445 iterating over uses or defs.
446 (op_iter_init_use): Likewise.
447 (op_iter_init_def): Likewise.
448 (op_iter_next_vdef): Remove.
449 (op_iter_next_mustdef): Likewise.
450 (op_iter_init_vdef): Likewise.
451 (compare_ssa_operands_equal): Likewise.
452 (link_use_stmts_after): Handle vuse operand.
453 (is_call_used): Use is_call_clobbered.
454 (is_call_clobbered): Global variables are always call clobbered,
455 query the call-clobbers bitmap.
456 (mark_call_clobbered): Ignore global variables.
457 (clear_call_clobbered): Likewise.
458 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
459 virtual operands sanity check.
460 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
462 (TARGET_MEM_REF): Remove TMR_TAG operand.
463 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
464 Remove call-clobber related code.
465 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
466 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
467 partitions or escape reason.
468 (get_single_def_stmt, get_single_def_stmt_from_phi,
469 get_single_def_stmt_with_phi): Remove.
470 (dump_referenced_vars): Tidy.
471 (get_ref_base_and_extent): Allow bare decls.
472 (collect_dfa_stats): Adjust.
473 * graphite.c (rename_variables_in_stmt): Adjust.
474 (graphite_copy_stmts_from_block): Likewise.
475 (translate_clast): Likewise.
476 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
478 (translate_vuse_through_block): Use the oracle.
479 (phi_translate_1): Adjust.
480 (value_dies_in_block_x): Use the oracle. Cache the outcome
482 (valid_in_sets): Check if the VUSE for
483 a REFERENCE is available.
484 (eliminate): Do not remove stmts during elimination,
485 instead queue and remove them afterwards.
486 (do_pre): Do not rebuild alias info.
487 (pass_pre): Run TODO_rebuild_alias before PRE.
488 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
489 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
490 (mark_all_v_defs_stmt): Remove.
491 (mark_all_v_defs_seq): Adjust.
492 (sra_replace): Likewise.
493 (scalarize_use): Likewise.
494 (scalarize_copy): Likewise.
495 (scalarize_init): Likewise.
496 (scalarize_ldst): Likewise.
498 (tree_sra): Do not rebuild alias info.
499 (tree_sra_early): Adjust.
500 (pass_sra): Run TODO_update_address_taken before SRA.
501 * tree-predcom.c (set_alias_info): Remove.
502 (prepare_initializers_chain): Do not call it.
503 (mark_virtual_ops_for_renaming): Adjust.
504 (mark_virtual_ops_for_renaming_list): Remove.
505 (initialize_root_vars): Adjust.
506 (initialize_root_vars_lm): Likewise.
507 (prepare_initializers_chain): Likewise.
508 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
509 (may_propagate_copy_into_stmt): Likewise.
510 (merge_alias_info): Do nothing for now.
511 (propagate_tree_value_into_stmt): Adjust.
512 (stmt_may_generate_copy): Likewise.
513 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
514 not mark symbols for renaming.
515 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
516 with the same statement, make sure to update the new pointed-to one.
517 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
518 call statements, do not mark symbols for renaming.
519 (mark_operand_necessary): Dump something.
520 (ref_may_be_aliased): New function.
521 (mark_aliased_reaching_defs_necessary_1): New helper function.
522 (mark_aliased_reaching_defs_necessary): Likewise.
523 (mark_all_reaching_defs_necessary_1): Likewise.
524 (mark_all_reaching_defs_necessary): Likewise.
525 (propagate_necessity): Do not process virtual PHIs. For
526 non-aliased loads mark all reaching definitions as necessary.
527 For aliased loads and stores mark the immediate dominating
528 aliased clobbers as necessary.
529 (visited): New global static.
530 (perform_tree_ssa_dce): Free visited bitmap after propagating
532 (remove_dead_phis): Perform simple dead virtual PHI removal.
533 (remove_dead_stmt): Properly unlink virtual operands when
535 (eliminate_unnecessary_stmts): Schedule PHI removal after
537 * tree-ssa-ter.c (is_replaceable_p): Adjust.
538 (process_replaceable): Likewise.
539 (find_replaceable_in_bb): Likewise.
540 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
541 based on the single gimple vop.
542 (verify_flow_insensitive_alias_info): Remove.
543 (verify_flow_sensitive_alias_info): Likewise.
544 (verify_call_clobbering): Likewise.
545 (verify_memory_partitions): Likewise.
546 (verify_alias_info): Likewise.
547 (verify_ssa): Adjust..
548 (execute_update_addresses_taken): Export. Update SSA
549 manually. Optimize only when optimizing. Use a local bitmap.
550 (pass_update_address_taken): Remove TODO_update_ssa, add
552 (pass_update_address_taken): Just use TODO_update_address_taken.
553 (init_tree_ssa): Do not initialize addressable_vars.
554 (verify_ssa): Verify new VUSE / VDEF properties.
555 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
556 Do not call verify_alias_info.
557 (delete_tree_ssa): Clear the VUSE, VDEF operands.
558 Do not free the loaded and stored syms bitmaps. Reset the escaped
559 and callused solutions. Do not free addressable_vars.
560 Remove memory-tag related code.
561 (warn_uninitialized_var): Aliases are always available.
562 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
563 * lambda-code.c (can_put_in_inner_loop): Adjust.
564 (can_put_after_inner_loop): Likewise.
565 (perfect_nestify): Likewise.
566 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
567 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
568 (vectorizable_conversion): Do not mark symbols for renaming.
569 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
570 (expand_call_inline): Unlink the calls virtual operands before
572 (tree_function_versioning): Do not call update_ssa if we are not
573 updating clones. Simplify.
574 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
575 (propagate_with_phi): Likewise..
576 * tree-outof-ssa.c (create_temp): Remove memory tag and call
577 clobber code. Assert we are not aliased or global.
578 * tree-flow.h: Include tree-ssa-alias.h
579 (enum escape_type): Remove.
580 (struct mem_sym_stats_d): Likewise.
581 (struct mem_ref_stats_d): Likewise.
582 (struct gimple_df): Add vop member. Remove global_var,
583 call_clobbered_vars, call_used_vars, addressable_vars,
584 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
585 escaped and callused members.
586 (struct ptr_info_def): Remove all members, add points-to solution
588 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
589 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
590 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
591 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
592 (tree-ssa-alias.o): Likewise.
593 (toplev.o): Add tree-ssa-alias.h
594 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
595 * gimple.c (gimple_set_bb): Fix off-by-one error.
596 (is_gimple_reg): Do not handle memory tags.
597 (gimple_copy): Also copy virtual operands.
598 Delay updating the statement. Do not reset loaded and stored syms.
599 (gimple_set_stored_syms): Remove.
600 (gimple_set_loaded_syms): Likewise.
601 (gimple_call_copy_skip_args): Copy the virtual operands
602 and mark the new statement modified.
603 * tree-ssa-structalias.c (may_alias_p): Remove.
604 (set_uids_in_ptset): Take the alias set to prune with as
605 parameter. Fold in the alias test of may_alias_p.
606 (compute_points_to_sets): Compute whether a ptr is dereferenced
608 (process_constraint): Deal with &ANYTHING on the lhs, reject all
609 other ADDRESSOF constraints on the lhs.
610 (get_constraint_for_component_ref): Assert that we don't get
611 ADDRESSOF constraints from the base of the reference.
612 Properly generate UNKNOWN_OFFSET for DEREF if needed.
613 (struct variable_info): Remove collapsed_to member.
614 (get_varinfo_fc): Remove.
615 (new_var_info): Do not set collapsed_to.
616 (dump_constraint): Do not follow cycles.
617 (dump_constraint_graph): Likewise.
618 (build_pred_graph): Likewise.
619 (build_succ_graph): Likewise.
620 (rewrite_constraints): Likewise.
621 (do_simple_structure_copy): Remove.
622 (do_rhs_deref_structure_copy): Remove.
623 (do_lhs_deref_structure_copy): Remove.
624 (collapse_rest_of_var): Remove.
625 (do_structure_copy): Re-implement.
626 (pta_stats): New global variable.
627 (dump_pta_stats): New function.
628 (struct constraint_expr): Make offset signed.
629 (UNKNOWN_OFFSET): Define special value.
630 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
631 (solution_set_expand): New helper function split out from ...
632 (do_sd_constraint): ... here.
633 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
634 (do_ds_constraint): Likewise.
635 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
636 and CALLUSED = *CALLUSED.
637 (set_union_with_increment): Make inc argument signed.
639 (get_constraint_for_ptr_offset): Handle unknown and negative
641 (first_vi_for_offset): Handle offsets before start. Bail
642 out early for offsets beyond the variable extent.
643 (first_or_preceding_vi_for_offset): New function.
644 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
645 Together with ESCAPED = *ESCAPED this properly computes reachability.
646 (find_what_var_points_to): New function.
647 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
648 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
649 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
650 pt_solutions_intersect): New functions.
651 (compute_call_used_vars): Remove.
652 (compute_may_aliases): New main entry into PTA computation.
653 * gimple.h (gimple_p): New typedef.
654 (struct gimple_statement_base): Remove references_memory_p.
655 (struct gimple_statement_with_memory_ops_base): Remove
656 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
658 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
659 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
660 gimple_set_references_memory): Remove.
661 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
662 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
664 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
665 (verify_expr): Allow RESULT_DECL.
666 (gimple_duplicate_bb): Do not copy virtual operands.
667 (gimple_duplicate_sese_region): Adjust.
668 (gimple_duplicate_sese_tail): Likewise.
669 (mark_virtual_ops_in_region): Remove.
670 (move_sese_region_to_fn): Do not call it.
671 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
673 (execute_function_todo): Handle TODO_update_address_taken,
674 call execute_update_addresses_taken for TODO_rebuild_alias.
675 (execute_todo): Adjust.
676 (execute_one_pass): Init dump files early.
677 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
679 (create_general_new_stmt): Clear vops.
680 * tree-ssa-reassoc.c (get_rank): Adjust.
681 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
682 symbols for renaming.
683 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
684 (PARAM_AVG_ALIASED_VOPS): Likewise.
685 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
686 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
687 * tree-ssa-operands.c: Simplify for new virtual operand
689 (operand_build_cmp, copy_virtual_operands,
690 create_ssa_artificial_load_stmt, add_to_addressable_set,
691 gimple_add_to_addresses_taken): Remove public functions.
692 (unlink_stmt_vdef): New function.
694 2009-04-03 Alan Modra <amodra@bigpond.net.au>
696 * config.gcc (powerpc-*-linux*): Merge variants.
698 2009-04-02 Chao-ying Fu <fu@mips.com>
699 James Grosbach <james.grosbach@microchip.com>
701 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
702 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
704 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
705 keep_interrupts_masked_p, use_debug_exception_return_p.
706 (mips_attribute_table): Add interrupt, use_shadow_register_set,
707 keep_interrupts_masked, use_debug_exception_return.
708 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
709 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
711 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
712 (mips_print_operand): Process COP0 registers to print $0 .. $31
713 correctly for GAS to process.
714 (mips_interrupt_extra_call_saved_reg_p): New function.
715 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
717 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
718 (mips_compute_frame_info): Add supports for interrupt context that
719 includes doubleword accumulators and COP0 registers.
720 (mips_for_each_saved_acc): New function.
721 (mips_for_each_saved_gpr_and_fpr): Change the function name from
722 mips_for_each_saved_reg.
723 (mips_save_reg): Save accumulators.
724 (mips_kernel_reg_p): A new for_each_rtx callback.
725 (mips_expand_prologue): Support interrupt handlers.
726 (mips_restore_reg): Restore accumulators.
727 (mips_expand_epilogue): Support interrupt handlers.
728 (mips_can_use_return_insn): Return false for interrupt handlers.
729 (mips_epilogue_uses): New function.
730 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
731 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
732 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
733 cop0_move): New instructions.
734 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
735 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
737 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
739 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
740 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
741 interrupt handlers, we use K0 as the temporary register.
742 (EPILOGUE_USES): Change to a function call.
743 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
744 handlers, we use K0 as the temporary register.
746 * doc/extend.texi (Function Attributes): Document interrupt,
747 use_shadow_register_set, keep_interrupts_masked,
748 use_debug_exception_return for MIPS attributes.
750 2009-04-03 Alan Modra <amodra@bigpond.net.au>
752 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
753 Remove a number of t-files from tmake_file.
754 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
755 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
756 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
757 target_prototype, not TARGET_PROTOTYPE.
758 (LINK_OS_GNU_SPEC): Define.
759 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
760 and darwin-ldoubdle.c.
762 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
765 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
766 (cpp_options): Ditto.
767 (default_compilers): Ditto.
768 (display_help): Ditto.
769 (process_command): Ditto.
771 (set_input): Use lbasename instead of duplicate code.
772 (save_temps_prefix): New static for -save-temps=obj.
773 (save_temps_length): Ditto.
775 * doc/invoke.texi (-save-temps=obj): Document new variant to
778 2009-04-02 Jeff Law <law@redhat.com>
780 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
783 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
785 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
786 * configure: Regenerated.
788 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
790 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
791 share the argument list.
793 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
797 2009-02-12 Diego Novillo <dnovillo@google.com>
799 * varpool.c (debug_varpool): New.
800 * cgraph.h (debug_varpool): Declare.
802 2009-04-02 Jan Hubicka <jh@suse.cz>
804 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
807 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
809 * config/i386/i386.c (ix86_abi): Move initialization to ...
810 (override_options): Here.
812 2009-04-02 Christian Bruel <christian.bruel@st.com>
814 * config/sh/sh.c (sh_dwarf_register_span): New function.
815 (TARGET_DWARF_REGISTER_SPAN): Define.
816 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
818 2009-04-02 Ira Rosen <irar@il.ibm.com>
820 PR tree-optimization/39595
821 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
822 interleaved loads group is not greater than the SLP group size.
824 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
826 * builtins.c (is_builtin_name): New.
827 (called_as_built_in): Use is_builtin_name.
828 * tree.h (is_builtin_name): New.
829 * varasm.c (incorporeal_function_p): Use is_builtin_name
831 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
833 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
835 2009-04-02 Dodji Seketeli <dodji@redhat.com>
838 * c-decl.c: (clone_underlying_type): Move this ...
839 * c-common.c (set_underlying_type): ... here.
840 Also, make sure the function properly sets TYPE_STUB_DECL() on
841 the newly created typedef variant type.
842 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
843 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
845 2009-04-02 Richard Guenther <rguenther@suse.de>
847 PR tree-optimization/37221
848 * tree-flow.h (degenerate_phi_result): Declare.
849 * tree-ssa-dom.c (degenerate_phi_result): Export.
850 * tree-scalar-evolution.c (analyze_initial_condition): If
851 the initial condition is defined by a degenerate PHI node
852 use the degenerate value.
854 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
856 PR rtl-optimization/39588
857 * combine.c (merge_outer_ops): Do not set the constant when this
859 (simplify_shift_const_1): Do not modify it either in this case.
861 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
863 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
864 tuning is deprecated if -mtune value is set to an Itanium1 variant.
866 2009-04-01 Janis Johnson <janis187@us.ibm.com>
869 * c-lex.c (interpret_float): Default (no suffix) is double.
871 2009-04-1 Xinliang David Li <davidxl@google.com>
873 * config/i386/i386.c (legitimate_constant_p): Recognize
874 all one vector constant.
876 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
878 * gcc/config/vax/vax.c: Add #includes to silence warnings.
879 Change #include order to silence two warnings.
881 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
883 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
884 (ASM_SPEC): Pass -k to the assembler for PIC code.
886 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
888 * gcc/config.gcc: Add vax-*-linux* to the switch.
889 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
890 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
892 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
894 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
895 Use predicate macros instead of GET_CODE() == foo.
896 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
897 ashlsi3, rotrsi3, <unnamed>): Likewise.
899 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
901 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
902 jbbccihi, jbbccisi): Remova trailing whitespace.
903 * gcc/config/vax/constraints.md: Likewise.
904 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
905 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
906 * gcc/config/vax/predicates.md: Likewise.
907 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
908 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
909 * gcc/config/vax/vax.h: Likewise.
910 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
912 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
914 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
915 (indirectable_address_p, adjacent_operands_p): Add spaces around
917 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
919 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
921 * gcc/config/vax/vax.c (legitimate_constant_address_p,
922 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
923 index_term_p, reg_plus_index_p, legitimate_address_p,
924 vax_mode_dependent_address_p): Update comments to match functions
925 modified by the recent int->bool conversion.
927 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
929 * gcc/config/vax/builtins.md: Update copyright message.
930 * gcc/config/vax/constraints.md: Likewise.
931 * gcc/config/vax/netbsd-elf.h: Likewise.
932 * gcc/config/vax/predicates.md: Likewise.
933 * gcc/config/vax/vax-protos.h: Likewise.
934 * gcc/config/vax/vax.c: Likewise.
935 * gcc/config/vax/vax.h: Likewise.
936 * gcc/config/vax/vax.md: Likewise.
937 * gcc/config/vax/vax.opt: Likewise.
939 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
941 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
942 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
943 * gcc/config/vax/constraints.md (B, R): Likewise.
944 * gcc/config/vax/predicates.md (external_memory_operand,
945 nonimmediate_addsub_di_operand): Likewise.
946 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
947 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
948 untyped_call): Likewise.
950 2009-04-01 Matt Thomas <matt@3am-software.com>
952 * config/vax/predicates.md: New file. (symbolic_operand,
953 local_symbolic_operand, external_symbolic_operand,
954 external_const_operand, nonsymbolic_operand, external_memory_operand,
955 indirect_memory_operand, indexed_memory_operand,
956 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
957 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
959 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
960 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
961 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
962 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
963 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
964 * config/vax/vax.opt (mqmath): Add option.
965 * config/vax/vax.md (isfx): Extend with DI.
966 (VAXintQH, VAXintQHSD): Define.
967 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
968 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
969 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
970 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
971 (movdi): Update constraints and use vax_output_int_move().
972 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
973 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
974 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
976 (mov<mode>): Extend accepted operand types.
977 (subdi3_old): Rename from subdi3, change update constraints and use
978 a new implementation.
979 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
980 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
981 MOVE_RATIO, CLEAR_RATIO): Define.
982 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
983 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
984 (PRINT_OPERAND): Redefine using a function instead of inlined code.
985 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
986 (split_quadword_operands): Make static and really allow variable
988 (print_operand_address): Update for PIC generation.
989 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
990 indexable_address_p, fixup_mathdi_operand,
991 vax_expand_addsub_di_operands, adjacent_operands_p): New.
992 (vax_float_literal, legitimate_constant_p,
993 indirectable_constant_address_p, index_term_p,
994 reg_plus_index_p): Return bool instead of int.
995 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
997 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
999 (vax_output_conditional_branch): Indent.
1000 (legitimate_constant_address_p, indirectable_constant_address_p,
1001 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1002 vax_mode_dependent_address_p): Return bool instead of int, update for
1004 * config/vax/vax-protos.h (legitimate_constant_address_p,
1005 legitimate_constant_p, legitimate_address_p,
1006 vax_mode_dependent_address_p): Change declaration to bool.
1007 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1008 vax_expand_addsub_di_operands, vax_output_int_subtract,
1009 vax_output_movmemsi): Declare.
1010 (split_quadword_operands, vax_float_literal): Delete declaration.
1011 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1012 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1013 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1014 ASM_OUTPUT_DWARF_PCREL): Define.
1015 (ASM_SPEC): Change definition to allow PIC generation.
1017 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1020 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1021 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1022 (booldi3_internal3): Use boolean_or_operator instead of
1025 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1028 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1029 declarator whose size is not an integer constant expression but
1030 folds to an integer constant, then treat it as a constant
1033 2009-04-01 Richard Guenther <rguenther@suse.de>
1035 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1036 i * 4 + 2 to (i * 2 + 1) * 2.
1038 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1041 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1042 return if c_parser_asm_string_literal returned NULL.
1044 2009-04-01 Nick Clifton <nickc@redhat.com>
1046 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1048 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1049 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1050 other typedefs to avoid conflicts with libgcc2.c. Define labels
1051 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1053 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1054 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1057 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1059 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1061 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1062 Andrey Galkin <agalkin@hypercom.com>
1065 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1066 Make object_name unique for each process.
1068 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1071 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1072 addressable variables in the parallel that could go out of scope while
1073 running queued tasks.
1075 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1077 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1078 (CASE_VALUES_THRESHOLD): Redefine.
1079 * config/avr/avr.c (avr_override_options): Remove initialization of
1080 avr_case_values_threshold variable.
1081 (avr_case_values_threshold): Remove variable. Add new function.
1082 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1083 * config/avr/avr.opt (mno-tablejump): Remove option.
1084 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1086 2009-04-01 DJ Delorie <dj@redhat.com>
1088 * varasm.c (default_function_rodata_section): Don't assume
1089 anything about where the first '.' in the section name is.
1091 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1093 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1094 rs6000_emit_stack_tie.
1096 2009-03-31 Ian Lance Taylor <iant@google.com>
1098 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1099 gimple_code with GIMPLE_RESX, not RESX.
1101 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1103 * c-common.c (c_get_ident): New.
1104 (c_common_nodes_and_builtins): Call it for type names that may be
1107 2009-04-01 Ben Elliston <bje@au.ibm.com>
1109 * config/rs6000/sysv4.opt (msdata): Improve option description.
1111 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1113 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1114 (divdf3_internal_lat): Remove.
1115 (divxf3_internal_lat): Remove.
1116 (divxf3_internal_thr): Remove.
1117 (divxf): Use divxf3_internal.
1118 * config/ia64/div.md (divsf3_internal_lat): New.
1119 (divdf3_internal_lat): New.
1120 (divxf3_internal): New.
1122 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1125 * Makefile.in (USE_GCC_STDINT): Define.
1126 (stmp-int-hdrs): Install stdint.h if applicable.
1127 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1129 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1130 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1131 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1132 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1133 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1134 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1135 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1136 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1137 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1138 (c_common_nodes_and_builtins): Initialize
1139 underlying_wchar_type_node. Do not initialize
1140 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1141 nodes for new types.
1142 (c_stddef_cpp_builtins): Define macros for new types.
1143 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1145 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1146 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1147 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1148 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1149 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1150 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1151 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1152 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1153 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1154 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1155 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1156 int16_type_node, int32_type_node, int64_type_node,
1157 uint8_type_node, uint16_type_node, c_uint32_type_node,
1158 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1159 int_least32_type_node, int_least64_type_node,
1160 uint_least8_type_node, uint_least16_type_node,
1161 uint_least32_type_node, uint_least64_type_node,
1162 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1163 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1164 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1165 uintptr_type_node): Define.
1166 * c-cppbuiltin.c (builtin_define_constants,
1167 builtin_define_type_minmax): New.
1168 (builtin_define_stdint_macros): Define more macros.
1169 (c_cpp_builtins): Define more limit macros.
1171 (builtin_define_type_max): Define in terms of
1172 builtin_define_type_minmax. Remove is_long parameter. All
1174 * config.gcc (use_gcc_stdint): Define.
1175 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1176 Add newlib-stdint.h for generic targets.
1177 * config/glibc-stdint.h, config/newlib-stdint.h,
1178 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1179 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1180 * config/score/score.h (UINTPTR_TYPE): Define.
1181 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1182 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1183 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1184 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1185 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1186 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1187 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1188 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1189 * config/spu/spu.h (STDINT_LONG32): Define.
1190 * configure.ac (use_gcc_stdint): Substitute.
1191 * configure: Regenerate.
1192 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1193 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1194 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1195 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1196 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1197 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1198 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1199 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1200 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1201 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1202 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1203 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1204 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1205 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1206 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1207 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1208 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1209 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1210 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1211 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1212 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1213 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1214 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1215 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1216 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1217 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1218 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1219 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1220 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1222 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1224 * loop-iv.c (suitable_set_for_replacement): Renamed from
1225 simplify_using_assignment; changed to return bool and to accept new
1226 args DEST and SRC. Return true iff we find a source/destination pair
1227 that can be used to make a replacement, and fill SRC and DEST if so.
1228 Remove arg ALTERED. Don't deal with altered regs here. All callers
1230 (simplify_using_initial_values): Deal with altered regs here and track
1231 more precisely the effect they have on the validity of our expression.
1233 * loop-iv.c (simplify_using_condition): A condition of the form
1234 (EQ REG CONST) can be used to simply make a substitution.
1235 (simplify_using_initial_values): Keep track of conditions we have seen
1236 and keep using them to simplify new expressions, while applying the
1237 same substitutions to them as to the expression.
1239 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1240 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1243 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1244 changed. Use this when trying to improve the upper bound.
1245 Generate the comparison by using simplify_gen_relational.
1247 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1249 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1251 (simplify_using_assignment, simplify_using_initial_values): Call
1252 replace_in_expr to make replacements. Call replace_single_def_regs
1253 once on the initial version of the expression.
1255 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1258 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1260 2009-03-31 Richard Guenther <rguenther@suse.de>
1263 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1264 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1266 2009-03-31 Richard Guenther <rguenther@suse.de>
1268 * tree.h (div_if_zero_remainder): Declare.
1269 * fold-const.c (div_if_zero_remainder): Export.
1270 * tree-ssa-forwprop.c
1271 (forward_propagate_addr_into_variable_array_index): Handle
1272 constant array index addition outside of the variable index.
1274 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1277 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1278 define_splits, floatunssi<mode>2): Require x87 conversions from
1279 DImode to be permitted.
1281 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1283 PR preprocessor/15638
1284 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1286 2009-03-31 Richard Guenther <rguenther@suse.de>
1290 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1291 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1292 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1293 a separate statement.
1294 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1295 (lookup_tmp_var): Likewise.
1296 (is_gimple_formal_tmp_or_call_rhs): Remove.
1297 (is_gimple_reg_or_call_rhs): Rename to ...
1298 (is_gimple_reg_rhs_or_call): ... this.
1299 (is_gimple_mem_or_call_rhs): Rename to ...
1300 (is_gimple_mem_rhs_or_call): ... this.
1301 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1302 DECL_GIMPLE_REG_P only if is_formal is true.
1303 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1304 for non-proper post-modify expression gimplification.
1305 (gimplify_self_mod_expr): For post-modify expressions gimplify
1306 the lvalue to a minimal lvalue.
1307 (rhs_predicate_for): Remove formal temp case.
1308 (gimplify_modify_expr_rhs): Likewise.
1309 (gimplify_addr_expr): Use is_gimple_reg.
1310 (gimplify_expr): Remove formal temp cases.
1311 (gimple_regimplify_operands): Likewise.
1312 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1313 and FILTER_EXPR like constants.
1314 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1316 (is_gimple_formal_tmp_rhs): Remove.
1317 (is_gimple_reg_rhs): Remove special casing.
1318 (is_gimple_mem_rhs): Fix.
1319 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1320 (is_gimple_formal_tmp_var): Remove.
1321 (is_gimple_formal_tmp_reg): Likewise.
1322 (is_gimple_min_lval): Allow invariant component ref parts.
1323 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1324 is_gimple_formal_tmp_reg): Remove declarations.
1325 * tree-cfg.c (verify_expr): Verify that variables with address
1326 taken do not have DECL_GIMPLE_REG_P set.
1327 * tree-mudflap.c (mf_build_check_statement_for): Use
1328 force_gimple_operand instead of gimplify_expr.
1330 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1332 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1333 schedulable rows to compute_split_row.
1335 2009-03-31 Ben Elliston <bje@au.ibm.com>
1338 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1341 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1343 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1344 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1345 * configure: Regenerate.
1346 * config.in: Regenerate.
1347 * config/rs6000/rs6000.opt (mtls-markers): Add.
1348 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1349 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1350 (tls_ld_aix, tls_ld_sysv): Likewise.
1351 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1352 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1354 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1356 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1358 2009-03-30 Jan Hubicka <jh@suse.cz>
1360 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1362 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1363 detection and label handling.
1365 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1367 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1368 left_conflicts_size.
1369 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1370 ALLOCNO_LEFT_CONFLICTS_SIZE.
1372 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1373 remove_allocno_from_bucket_and_push,
1374 allocno_spill_priority_compare, push_allocnos_to_stack,
1375 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1376 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1377 (setup_allocno_left_conflicts_num): Ditto. Rename to
1378 setup_allocno_left_conflicts_size.
1379 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1380 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1381 setup_allocno_left_conflicts_size instead of
1382 setup_allocno_left_conflicts_num.
1384 * ira-build.c (ira_create_allocno): Use
1385 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1386 ALLOCNO_LEFT_CONFLICTS_NUM.
1388 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1390 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1391 instead of DF_LR_OUT.
1393 * ira-lives.c (process_bb_node_lives): Ditto.
1395 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1396 instead of DF_LR_{OUT,IN}.
1398 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1400 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1402 2009-03-30 Jan Hubicka <jh@suse.cz>
1404 * except.c (label_to_region_map): Fix thinko.
1406 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1409 * tree.h (tree_find_value): New declaration.
1410 * tree.c (tree_find_value): New function.
1411 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1413 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1416 * c-decl.c (struct c_binding): Add locus field.
1417 (bind): Add locus argument, set locus field from it.
1418 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1419 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1420 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1421 implicitly_declare, undeclared_variable, lookup_label,
1422 declare_label, c_make_fname_decl, c_builtin_function,
1423 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1426 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1429 * config/i386/i386.c (classify_argument): Check total size of
1432 2009-03-30 Martin Jambor <mjambor@suse.cz>
1434 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1435 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1436 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1439 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1440 seen_variable_array_ref while also traversing a union.
1442 * tree-inline.c (optimize_inline_calls): Do not call
1443 cgraph_node_remove_callees.
1444 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1445 (pass_remove_cgraph_callee_edges): New variable.
1446 * passes.c (init_optimization_passes): Add
1447 pass_remove_cgraph_callee_edges after early inlining and before all
1448 late intraprocedural passes.
1450 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1452 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1454 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1457 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1459 * combine.c (simplify_comparison): Use have_insn_for.
1460 * dojump.c (do_jump): Likewise.
1462 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1464 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1465 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1466 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1467 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1468 instead of sparc_compare_emitted.
1469 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1470 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1471 instead of sparc_compare_emitted.
1473 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1475 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1476 enter/exit cfglayout mode.
1477 (pass_partition_block): Require it.
1478 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1479 (combine_instructions): Track basic blocks instead of labels.
1480 (update_cfg_for_uncondjump): New.
1481 (try_combine): Use it. Update jumps after rescanning.
1482 (pass_combine): Require PROP_cfglayout.
1483 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1485 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1487 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1488 Provide/destroy PROP_cfglayout respectively.
1489 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1490 * tree-pass.h (PROP_cfglayout): New.
1492 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1494 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1495 fold_convert_const_fixed_from_fixed,
1496 fold_convert_const_fixed_from_int,
1497 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1498 set TREE_CONSTANT_OVERFLOW.
1499 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1500 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1502 2009-03-30 Ira Rosen <irar@il.ibm.com>
1504 * tree-vect-loop-manip.c: New file.
1505 * tree-vectorizer.c: Update documentation and included files.
1506 (vect_loop_location): Make extern.
1507 (rename_use_op): Move to tree-vect-loop-manip.c
1508 (rename_variables_in_bb, rename_variables_in_loop,
1509 slpeel_update_phis_for_duplicate_loop,
1510 slpeel_update_phi_nodes_for_guard1,
1511 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1512 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1513 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1514 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1515 find_loop_location): Likewise.
1516 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1517 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1518 get_vectype_for_scalar_type, vect_is_simple_use,
1519 supportable_widening_operation, supportable_narrowing_operation):
1521 (bb_in_loop_p): Move to tree-vect-loop.c.
1522 (new_loop_vec_info, destroy_loop_vec_info,
1523 reduction_code_for_scalar_code, report_vect_op,
1524 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1525 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1526 (vect_supportable_dr_alignment): Likewise.
1527 * tree-vectorizer.h (tree-data-ref.h): Include.
1528 (vect_loop_location): Declare.
1529 Reorganize function declarations according to the new file structure.
1530 * tree-vect-loop.c: New file.
1531 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1532 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1533 * tree-vect-data-refs.c: New file.
1534 * tree-vect-patterns.c (timevar.h): Don't include.
1535 * tree-vect-stmts.c: New file.
1536 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1537 tree-vect-slp.c, tree-vect-loop.c.
1538 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1539 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1540 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1541 (tree-vect-analyze.o): Remove.
1542 (tree-vect-transform.o): Likewise.
1543 (tree-vect-data-refs.o): Add rule.
1544 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1545 tree-vect-slp.o): Likewise.
1546 (tree-vect-patterns.o): Remove redundant dependencies.
1547 (tree-vectorizer.o): Likewise.
1548 * tree-vect-slp.c: New file.
1550 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1552 * optc-gen.awk: Warn if an option flag has multiple different
1555 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1557 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1558 -floop-block): Document dependences on PPL, CLooG and Graphite.
1560 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1562 PR rtl-optimization/323
1563 * c-common.c (c_fully_fold, convert_and_check,
1564 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1565 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1566 * c-common.def (EXCESS_PRECISION_EXPR): New.
1567 * c-cppbuiltin.c (builtin_define_float_constants): Define
1568 constants with enough digits for long double.
1569 * c-lex.c (interpret_float): Interpret constant with excess
1570 precision where appropriate.
1571 * c-opts.c (c_common_post_options): Set
1572 flag_excess_precision_cmdline. Give an error for
1573 -fexcess-precision=standard for C++ for processors where the
1574 option is significant.
1575 * c-parser.c (c_parser_conditional_expression): Handle excess
1576 precision in condition.
1577 * c-typeck.c (convert_arguments): Handle arguments with excess
1579 (build_unary_op): Move excess precision outside operation.
1580 (build_conditional_expr): Likewise.
1581 (build_compound_expr): Likewise.
1582 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1583 (build_modify_expr): Handle excess precision in RHS.
1584 (convert_for_assignment): Handle excess precision in converted
1586 (digest_init, output_init_element, process_init_element): Handle
1587 excess precision in initializer.
1588 (c_finish_return): Handle excess precision in return value.
1589 (build_binary_op): Handle excess precision in operands and add
1590 excess precision as needed for operation.
1591 * common.opt (-fexcess-precision=): New option.
1592 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1593 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1594 For standard excess precision, output explicit conversion to and
1595 truncation from XFmode.
1596 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1597 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1598 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1599 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1600 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1601 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1602 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1603 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1604 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1605 define_splits, sqrt<mode>2): Disable where appropriate for
1606 standard excess precision.
1607 * convert.c (convert_to_real): Do not shorten arithmetic to type
1608 for which excess precision would be used.
1609 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1610 * doc/invoke.texi (-fexcess-precision=): Document option.
1611 (-mfpmath=): Correct index entry.
1612 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1613 flag_excess_precision): New.
1614 * langhooks.c (lhd_post_options): Set
1615 flag_excess_precision_cmdline.
1616 * opts.c (common_handle_option): Handle -fexcess-precision=.
1617 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1618 init_excess_precision): New.
1619 (lang_dependent_init_target): Call init_excess_precision.
1620 * tree.c (excess_precision_type): New.
1621 * tree.h (excess_precision_type): Declare.
1623 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1626 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1627 non-lvalue to component.
1629 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1631 PR preprocessor/34695
1632 * Makefile.in (c-opts.o): Depend on c-tree.h.
1633 * c-common.c: Move down include of diagnostic.h.
1634 (done_lexing, c_cpp_error): New.
1635 * c-common.h (done_lexing): Declare.
1636 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1638 * c-opts.c: Include c-tree.h.
1639 (c_common_init_options): Set preprocessor error callback.
1640 (c_common_handle_option): Do not set preprocessor
1641 inhibit_warnings, warnings_are_errors, warn_system_headers,
1642 pedantic_errors or inhibit_warnings flags.
1643 (c_common_post_options): Do not check cpp_errors (parse_in).
1644 (c_common_finish): Do not output dependencies if there were
1645 errors. Do not check return value of cpp_finish.
1646 * c-ppoutput.c (pp_file_change): Set input_location.
1647 * c-tree.h (c_cpp_error): Declare.
1648 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1650 (diagnostic_build_prefix): Check override_column.
1651 * diagnostic.h (diagnostic_info): Add override_column field.
1652 (diagnostic_override_column): Define.
1654 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1656 * c-common.c (c_expand_expr, c_staticp): Remove.
1657 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1658 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1659 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1660 * c-gimplify.c (gimplify_compound_literal_expr,
1661 optimize_compound_literals_in_ctor): Remove.
1662 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1663 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1664 * c-semantics.c (emit_local_var): Remove.
1666 * langhooks-def.h (lhd_expand_expr): Remove.
1667 * langhooks.c (lhd_expand_expr): Remove.
1668 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1670 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1671 handling from c-semantics.c; don't call into langhook.
1672 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1673 * gimplify.c (gimplify_compound_literal_expr,
1674 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1675 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1676 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1677 as was done in c-gimplify.c.
1678 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1679 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1680 Move from c-common.h.
1681 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1683 * tree.c (staticp): Do not call langhook.
1684 * langhooks.c (lhd_staticp): Delete.
1685 * langhooks-def.h (lhd_staticp): Delete prototype.
1686 (LANG_HOOKS_STATICP): Delete.
1687 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1689 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1690 instead of DECL_STMTs.
1692 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1700 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1702 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1703 contained expression.
1704 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1705 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1706 conditional expressions for C.
1707 (decl_constant_value_for_optimization): Move from
1708 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1709 whether optimizing and that the expression is a VAR_DECL not of
1710 array type instead of doing such checks in the caller. Do not
1711 check pedantic. Call gcc_unreachable for C++.
1712 * c-common.def (C_MAYBE_CONST_EXPR): New.
1713 * c-common.h (c_fully_fold, c_save_expr,
1714 decl_constant_value_for_optimization): New prototypes.
1715 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1716 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1717 EXPR_INT_CONST_OPERANDS): Define.
1718 * c-convert.c (convert): Strip nops from expression.
1719 * c-decl.c (groktypename): Take extra parameters expr and
1720 expr_const_operands. Update call to grokdeclarator.
1721 (start_decl): Update call to grokdeclarator. Add statement for
1722 expressions used in type of decl.
1723 (grokparm): Update call to grokdeclarator.
1724 (push_parm_decl): Update call to grokdeclarator.
1725 (build_compound_literal): Add parameter non_const and build a
1726 C_MAYBE_COSNT_EXPR if applicable.
1727 (grokdeclarator): Take extra parameters expr and
1728 expr_const_operands. Track expressions used in declaration
1729 specifiers and declarators. Fold array sizes and track whether
1730 they are constant expressions and whether they are integer
1731 constant expressions.
1732 (parser_xref_tag): Set expr and expr_const_operands fields in
1734 (grokfield): Update call to grokdeclarator.
1735 (start_function): Update call to grokdeclarator.
1736 (build_null_declspecs): Set expr and expr_const_operands fields in
1738 (declspecs_add_type): Handle expressions in typeof specifiers.
1739 * c-parser.c (c_parser_declspecs): Set expr and
1740 expr_const_operands fields for declaration specifiers.
1741 (c_parser_enum_specifier): Likewise.
1742 (c_parser_struct_or_union_specifier): Likewise.
1743 (c_parser_typeof_specifier): Likewise. Update call to
1744 groktypename. Fold expression as needed. Return expressions with
1745 type instead of adding statements.
1746 (c_parser_attributes): Update calls to c_parser_expr_list.
1747 (c_parser_statement_after_labels): Fold expression before passing
1748 to objc_build_throw_stmt.
1749 (c_parser_condition): Fold expression.
1750 (c_parser_asm_operands): Fold expression.
1751 (c_parser_conditional_expression): Use c_save_expr. Update call
1752 to build_conditional_expr.
1753 (c_parser_alignof_expression): Update call to groktypename.
1754 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1755 original_code. Fold expression argument of va_arg. Create
1756 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1757 argument to va_arg. Update calls to groktypename. Fold array
1758 index for offsetof. Verify that first argument to
1759 __builtin_choose_expr has integer type.
1760 (c_parser_postfix_expression_after_paren_type): Update calls to
1761 groktypename and build_compound_literal. Handle expressions with
1762 side effects in type name.
1763 (c_parser_postfix_expression_after_primary): Update call to
1764 c_parser_expr_list. Set original_code for calls to
1765 __builtin_constant_p.
1766 (c_parser_expr_list): Take extra parameter fold_p. Fold
1767 expressions if requested.
1768 (c_parser_objc_type_name): Update call to groktypename.
1769 (c_parser_objc_synchronized_statement): Fold expression.
1770 (c_parser_objc_receiver): Fold expression.
1771 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1772 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1773 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1774 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1775 (struct c_typespec): Add elements expr and expr_const_operands.
1776 (struct c_declspecs): Add elements expr and expr_const_operands.
1777 (groktypename, build_conditional_expr, build_compound_literal):
1779 (in_late_binary_op): Declare.
1780 * c-typeck.c (note_integer_operands): New function.
1781 (in_late_binary_op): New variable.
1782 (decl_constant_value_for_broken_optimization): Move to c-common.c
1783 and rename to decl_constant_value_for_optimization.
1784 (default_function_array_conversion): Do not strip nops.
1785 (default_conversion): Do not call
1786 decl_constant_value_for_broken_optimization.
1787 (build_array_ref): Do not fold result.
1788 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1789 result when operand is a VLA.
1790 (c_expr_sizeof_type): Update call to groktypename. Handle
1791 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1792 result when operand names a VLA type.
1793 (build_function_call): Update call to build_compound_literal.
1794 Only fold result for calls to __builtin_* functions. Strip
1795 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1796 the function designator.
1797 (convert_arguments): Fold arguments. Update call to
1798 convert_for_assignment.
1799 (build_unary_op): Handle increment and decrement of
1800 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1801 decrement earlier. Fold operand of increment and decrement.
1802 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1803 built for integer operand. Wrap returns that are INTEGER_CSTs
1804 without being integer constant expressions or that have integer
1805 constant operands without being INTEGER_CSTs.
1806 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1807 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1808 result is an integer constant expression or can be used in
1809 unevaluated parts of one and avoid folding and wrap as
1810 appropriate. Fold operands before possibly doing -Wsign-compare
1812 (build_compound_expr): Wrap result for C99 if operands can be used
1813 in integer constant expressions.
1814 (build_c_cast): Update call to digest_init. Do not ignore
1815 overflow from casting floating-point constants to integers. Wrap
1816 results that could be confused with integer constant expressions,
1817 null pointer constants or floating-point constants.
1818 (c_cast_expr): Update call to groktypename. Handle expressions
1819 included in type name.
1820 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1821 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1822 Update calls to convert_for_assignment.
1823 (convert_for_assignment): Take new parameter
1824 null_pointer_constant. Do not strip nops or call
1825 decl_constant_value_for_broken_optimization. Set
1826 in_late_binary_op for conversions to boolean.
1827 (store_init_value): Update call to digest_init.
1828 (digest_init): Take new parameter null_pointer_constant. Do not
1829 call decl_constant_value_for_broken_optimization. pedwarn for
1830 initializers not constant expressions. Update calls to
1831 convert_for_assignment.
1832 (constructor_nonconst): New.
1833 (struct constructor_stack): Add nonconst element.
1834 (really_start_incremental_init, push_init_level, pop_init_level):
1835 Handle constructor_nonconst and nonconst element.
1836 (set_init_index): Call constant_expression_warning for array
1838 (output_init_element): Fold value. Set constructor_nonconst as
1839 applicable. pedwarn for initializers not constant expressions.
1840 Update call to digest_init. Call constant_expression_warning
1841 where constant initializers are required.
1842 (process_init_element): Use c_save_expr.
1843 (c_finish_goto_ptr): Fold expression.
1844 (c_finish_return): Fold return value. Update call to
1845 convert_for_assignment.
1846 (c_start_case): Fold switch expression.
1847 (c_process_expr_stmt): Fold expression.
1848 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1849 ensure statement expression is not evaluated in constant expression.
1850 (build_binary_op): Track whether results are integer constant
1851 expressions or may occur in such, disable folding and wrap results
1852 as applicable. Fold operands for -Wsign-compare warnings unless
1854 (c_objc_common_truthvalue_conversion): Handle results folded to
1855 integer constants that are not integer constant expressions.
1856 * doc/extend.texi: Document when typeof operands are evaluated,
1857 that condition of __builtin_choose_expr is an integer constant
1858 expression, and more about use of __builtin_constant_p in
1861 2009-03-29 Richard Guenther <rguenther@suse.de>
1863 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1864 propagate addresses of array references.
1866 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1868 * regmove.c (perhaps_ends_bb_p): Remove.
1869 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1870 from INSN and check that the main loop stays within that basic block.
1871 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1872 (regmove_forward_pass): Split out from regmove_optimize. Use
1873 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1874 (regmove_backward_pass): Split out from regmove_optimize. Use
1875 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1876 (regmove_optimize): Simplify.
1878 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1881 * config/i386/i386.c (classify_argument): Ignore flexible array
1882 member in struct and warn ABI change.
1884 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1886 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1888 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1889 (ix86_adjust_cost): Updated.
1891 2009-03-29 Jan Hubicka <jh@suse.cz>
1894 * tree-pass.h (pass_cleanup_eh): New function.
1895 (remove_unreachable_regions): Break code handling RTL
1896 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1897 that can not be reached by runtime.
1898 (can_be_reached_by_runtime): New function.
1899 (label_to_region_map): New function.
1900 (num_eh_regions): New function.
1901 (rtl_remove_unreachable_regions): New function.
1902 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1903 (remove_eh_region): New function.
1904 * except.h: Include sbitmap and vecprim.
1905 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1906 num_eh_regions): Declare.
1907 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1908 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1909 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1910 (tree_empty_eh_handler_p): New function.
1911 (cleanup_empty_eh): New function.
1912 (cleanup_eh): New function.
1913 (pass_cleanup_eh): New function.
1915 2009-03-29 Jan Hubicka <jh@suse.cz>
1917 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1918 for removed regions.
1920 2009-03-29 Jan Hubicka <jh@suse.cz>
1922 * except.c (dump_eh_tree): Dump all datastructures.
1924 2009-03-29 Jan Hubicka <jh@suse.cz>
1926 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1927 (duplicate_eh_regions_1): Likewise.
1928 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1929 vector; call EH verification.
1930 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1931 Be ready for region being removed.
1933 2009-03-29 Jan Hubicka <jh@suse.cz>
1935 * bitmap.c (bitmap_last_set_bit): New function.
1936 * bitmap.h (bitmap_last_set_bit): Declare.
1938 2009-03-29 David Ayers <ayers@fsfe.org>
1941 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1942 by calling objc_compare_types and surpress warnings about
1943 incompatible C pointers that are compatible ObjC pointers.
1945 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1947 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1948 call initialize_inline_failed.
1949 (initialize_inline_failed): Move it from here ...
1950 * cgraph.c (initialize_inline_failed): ... to here.
1951 (cgraph_create_edge): Call initialize_inline_failed rather than
1952 setting inline_failed directly.
1954 2009-03-29 Ben Elliston <bje@au.ibm.com>
1957 * sysv4.opt (msdata): Improve comment.
1958 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1959 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1961 2009-03-29 Ben Elliston <bje@au.ibm.com>
1964 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1965 load and store attributes.
1967 2009-03-29 Ben Elliston <bje@au.ibm.com>
1969 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1970 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1971 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1972 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1973 __builtin_infq and __builtin_huge_valq.
1975 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1977 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1979 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1980 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1982 2009-03-28 Xinliang David Li <davidxl@google.com>
1984 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1985 (do_dbg_cnt): New function.
1987 2009-03-28 Jan Hubicka <jh@suse.cz>
1989 Merge from pretty-ipa:
1991 2009-03-27 Jan Hubicka <jh@suse.cz>
1993 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1994 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1995 * passes.c (function_called_by_processed_nodes_p): New.
1996 * ipa-pure-const.c (check_call): Fix handling of operands.
1997 (analyze_function): Dump debug output for skipped bodies.
1998 (local_pure_const): Use function_called_by_processed_nodes_p.
1999 * dwarf2out.c (reference_to_unused): Use output.
2000 * passes.c (do_per_function_toporder): Likewise.
2002 2008-11-12 Jan Hubicka <jh@suse.cz>
2004 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2005 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2006 state_set_in_source enum
2007 (check_decl): Ignore memory tags; do not set fake looping flags;
2009 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2010 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2011 (check_call, analyze_function): Rewrite.
2013 (add_new_function): Update call of analyze_function.
2014 (generate_summary): Add call of analyze_function.
2015 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2016 (local_pure_const): New function.
2017 (pass_local_pure_const): New pass.
2018 * ipa-inline.c (inline_transform): Set after_inlining.
2019 * tree-eh.c (stmt_can_throw_external): New.
2020 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2021 work with aliasing built.
2022 * tree-flow.h (stmt_can_throw_external): New.
2023 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2024 and local pure/const pass in early and late optimization queue.
2026 2009-03-28 Martin Jambor <mjambor@suse.cz>
2028 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2030 (fold_binary): Allow function decl aligment consideration is the
2031 second argument is integer constant one.
2032 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2033 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2034 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2036 2009-03-28 Jan Hubicka <jh@suse.cz>
2038 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2039 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2040 * function.h (rtl_data): Add nothrow flag.
2041 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2042 set DECL_NOTHROW for AVAILABLE functions.
2044 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2046 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2047 following vector keyword has expansion starting with pixel or bool
2048 keyword, expand vector to __vector and pixel or bool to __pixel or
2052 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2053 warn_if_disallowed_function_p): Removed.
2054 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2055 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2056 warning_if_disallowed_function_p.
2057 * flags.h (warn_if_disallowed_function_p,
2058 warn_disallowed_functions): Removed.
2059 * common.opt (Wdisallowed-function-list=): Removed.
2060 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2062 2009-03-28 Richard Guenther <rguenther@suse.de>
2064 PR tree-optimization/38723
2065 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2068 2009-03-28 Jan Hubicka <jh@suse.cz>
2070 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2071 test introduced by my previous patch.
2073 2009-03-28 Richard Guenther <rguenther@suse.de>
2075 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2076 the PHIs value undefined.
2078 2009-03-28 Jan Hubicka <jh@suse.cz>
2080 * tree-pass.h (pass_fixup_cfg): New pass.
2081 * ipa-inline.c (inline_transform): Set
2082 always_inline_functions_inlined/after_inlining.
2083 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2084 (pass_fixup_cfg): New pass.
2085 * passes.c (init_optimization_passes): Add fixup_cfg.
2087 2009-03-28 Richard Guenther <rguenther@suse.de>
2089 PR tree-optimization/38458
2090 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2091 argument use the arguments copy-of value.
2093 2009-03-28 Richard Guenther <rguenther@suse.de>
2095 PR tree-optimization/38180
2096 * tree-ssa-ccp.c (get_default_value): Simplify.
2097 (likely_value): Likewise.
2098 (surely_varying_stmt_p): Properly handle VOP case.
2099 (ccp_initialize): Likewise.
2100 (ccp_fold): Handle propagating through *&.
2101 (fold_const_aggregate_ref): Also handle decls.
2103 2009-03-28 Jan Hubicka <jh@suse.cz>
2105 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2106 * cgraph.h (cgraph_node): Likewise.
2107 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2108 (cgraph_reset_node): Use process flag.
2109 (cgraph_mark_functions_to_output): Likewise.
2110 (cgraph_expand_function): Likewise.
2111 (cgraph_expand_all_functions): Likewise.
2112 (cgraph_output_in_order): Likewise.
2113 * dwarf2out.c (reference_to_unused): Likewise.
2114 * passes.c do_per_function_toporder): Likewise.
2116 2009-03-28 Jan Hubicka <jh@suse.cz>
2118 Bring from lto-branch:
2120 2008-09-03 Doug Kwan <dougkwan@google.com>
2122 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2123 enums instead of reason strings.
2124 * cgraph.c (cgraph_create_edge): Same.
2125 (cgraph_inline_failed_string): New function.
2126 * cgraph.h (cgraph_inline_failed_t): New enum type.
2127 (cgraph_inline_failed_string): New prototype.
2128 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2129 char pointer to cgraph_inline_failed_t.
2130 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2131 (cgraph_default_inline_p): Ditto.
2132 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2133 to cgraph_inline_failed_t pointer.
2134 * cif-code.def: New file.
2135 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2137 (cgraph_check_inline_limits): Change type of REASON to pointer to
2138 cgraph_inline_failed_t. Replace reason strings with enums.
2139 (cgraph_default_inline_p): Ditto.
2140 (cgraph_recursive_inlining_p): Ditto.
2141 (update_caller_keys): Change type of FAILED_REASON to
2142 cgraph_inline_failed_t.
2143 (cgraph_set_inline_failed): Change type of REASON to pointer to
2144 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2145 convert enums to strings for text output.
2146 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2147 to be of type cgraph_inline_failed_t. Replace reason strings with
2148 enums. Call cgraph_inline_failed_string to covert enums
2149 to strings for text output.
2150 (cgraph_decide_inlining): Replace reason strings with enums.
2151 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2152 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2154 * tree-inline.c (expand_call_inline): Change type of REASON
2155 to cgraph_inline_failed_t. Replace reason strings with enums.
2156 Call cgraph_inline_failed_string for text output.
2157 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2160 2009-03-28 Jan Hubicka <jh@suse.cz>
2162 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2163 cgraph_clone_node): Remove master clone handling.
2164 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2165 * cgraph.h (master_clone): Remove.
2166 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2167 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2168 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2170 2009-03-28 Jan Hubicka <jh@suse.cz>
2172 * cgraph.c (cgraph_function_body_availability): Functions declared
2173 inline are always safe to assume that it is not going to be replaced.
2175 2009-03-28 Richard Guenther <rguenther@suse.de>
2177 PR tree-optimization/38513
2178 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2179 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2180 EXC_PTR_EXPR and FILTER_EXPR.
2181 (get_ref_from_reference_ops): Likewise.
2183 2009-03-28 Richard Guenther <rguenther@suse.de>
2185 PR tree-optimization/38968
2186 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2187 Use FLOOR_MOD_EXPR to compute misalignment.
2189 2009-03-28 Richard Guenther <rguenther@suse.de>
2191 PR tree-optimization/37795
2192 * tree.h (combine_comparisons): Declare.
2193 * fold-const.c (combine_comparisons): Export.
2194 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2196 (ifcombine_iforif): Use combine_comparisons.
2198 2009-03-28 Jan Hubicka <jh@suse.cz>
2200 * tree-eh.c (inlinable_call_p): New function.
2201 (make_eh_edges): Use it.
2202 (verify_eh_edges): Use it.
2203 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2204 * except.c (reachable_next_level): Add inlinable_function argument
2205 (sjlj_find_directly_reachable_regions): Update.
2206 (add_reachable_handler): Do not set saw_any_handlers.
2207 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2208 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2209 Add new inlinable call parameter.
2210 (can_throw_internal, can_throw_external): Update.
2211 * except.h (can_throw_internal_1, can_throw_external_1,
2212 foreach_reachable_handler): Update declaration.
2214 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2216 * config/arm/t-arm-coff, config/h8300/coff.h,
2217 config/i386/i386-aout.h, config/i386/i386-coff.h,
2218 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2219 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2220 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2221 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2222 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2223 sys-types.h: Remove.
2224 * Makefile.in: Remove protoize and fixproto support and references
2226 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2227 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2229 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2230 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2231 unprotoize$(exeext).
2232 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2233 (.PHONY): Don't depend on proto.
2234 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2235 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2236 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2237 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2238 build/gen-protos.o, build/scan.o, xsys-protos.h,
2239 build/fix-header$(build_exeext), build/fix-header.o,
2240 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2241 stmp-install-fixproto): Remove.
2242 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2243 SYSCALLS.c or fixproto files.
2244 (install-common): Don't install protoize.
2245 (install-headers-tar, install-headers-cpio, install-headers-cp):
2246 Don't depend on $(STMP_FIXPROTO).
2247 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2248 install fixproto files or write out fixproto settings.
2249 (uninstall): Don't uninstall protoize.
2250 * config.gcc (use_fixproto): Remove.
2251 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2252 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2253 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2254 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2255 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2256 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2257 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2258 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2259 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2260 * config/t-vxworks (STMP_FIXPROTO): Remove.
2261 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2262 STMP_FIXPROTO): Remove.
2263 * config.in, configure: Regenerate.
2264 * crtstuff.c (gid_t, uid_t): Don't undefine.
2265 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2266 (arm-*-coff, arm-*-aout: Remove target entries.
2267 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2268 Remove mention of AIX 4.1.
2269 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2270 * doc/invoke.texi (Running Protoize): Remove.
2271 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2272 (Protoize Caveats): Remove.
2273 * tsystem.h: Update comments on headers assumed to exist.
2275 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2277 * genautomata.c: Add a new year to the copyright. Add a new
2279 (struct insn_reserv_decl): Add comments for member bypass_list.
2280 (find_bypass): Remove.
2281 (insert_bypass): New.
2282 (process_decls): Use insert_bypass.
2283 (output_internal_insn_latency_func): Output all bypasses with the
2284 same input insn in one switch case.
2286 * rtl.def (define_bypass): Describe bypass choice.
2287 * doc/md.texi (define_bypass): Ditto.
2289 2009-03-27 Richard Guenther <rguenther@suse.de>
2291 * gimplify.c (mark_addressable): Export.
2292 * tree-flow.h (mark_addressable): Declare.
2293 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2294 * tree-ssa.c (verify_phi_args): Verify that address taken
2295 variables have TREE_ADDRESSABLE set.
2297 2009-03-27 Richard Guenther <rguenther@suse.de>
2299 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2300 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2301 Do not mark decls TREE_ADDRESSABLE.
2302 (build_fold_addr_expr): Adjust.
2303 (fold_addr_expr): Remove.
2304 (fold_unary): Use build_fold_addr_expr.
2305 (fold_comparison): Likewise.
2306 (split_address_to_core_and_offset): Likewise.
2307 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2309 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2310 (gimplify_modify_expr_to_memcpy): Mark source and destination
2312 * omp-low.c (create_omp_child_function): Mark the object decl
2314 (lower_rec_input_clauses): Mark the var we take the address of
2316 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2318 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2321 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2322 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2324 2009-03-27 Richard Guenther <rguenther@suse.de>
2326 PR tree-optimization/39120
2327 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2329 (handle_lhs_call): Process return constraints. Add escape
2330 constraints if necessary.
2331 (handle_const_call): Fill out return constraints. Make nested
2332 case more precise. Avoid consttmp if possible.
2333 (handle_pure_call): Fill out return constraints. Avoid
2334 callused if possible.
2335 (find_func_aliases): Simplify call handling.
2337 2009-03-27 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/39120
2340 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2341 as a representative.
2342 (solve_graph): Do propagate CALLUSED.
2343 (handle_pure_call): Use a scalar constraint from CALLUSED for
2345 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2348 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2351 * c-common.c (handle_aligned_attribute): Properly check alignment
2352 overflow. Use (1U << i) instead of (1 << i).
2354 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2356 * expr.h (get_mem_align_offset): Updated.
2358 * tree.h (tree_decl_common): Change align to "unsigned int" and
2359 move it before pointer_alias_set.
2361 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2362 Jakub Jelinek <jakub@redhat.com>
2365 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2366 gr_register_operand with gr_reg_or_0_operand.
2367 (cmpxchg_rel_di): Likewise.
2368 (sync_lock_test_and_set<mode>): Likewise.
2370 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2372 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2373 (true_regnum): Likewise.
2375 * rtlanal.c (subreg_info): Moved to ...
2376 * rtl.h (subreg_info): Here. New.
2377 (subreg_get_info): New.
2379 * rtlanal.c (subreg_get_info): Make it extern.
2381 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2384 * config/i386/i386.c (ix86_abi): New.
2385 (override_options): Handle -mabi=.
2386 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2387 (ix86_call_abi_override): Likewise.
2388 (init_cumulative_args): Likewise.
2389 (function_arg_advance): Likewise.
2390 (function_arg_64): Likewise.
2391 (function_arg): Likewise.
2392 (ix86_pass_by_reference): Likewise.
2393 (ix86_function_value_regno_p): Likewise.
2394 (ix86_build_builtin_va_list_abi): Likewise.
2395 (setup_incoming_varargs_64): Likewise.
2396 (is_va_list_char_pointer): Likewise.
2397 (ix86_init_machine_status): Likewise.
2398 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2399 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2400 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2401 (ix86_function_abi): Make it static and return enum calling_abi.
2402 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2404 (ix86_fn_abi_va_list): Updated.
2406 * config/i386/i386.h (ix86_abi): New.
2407 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2408 (CONDITIONAL_REGISTER_USAGE): Likewise.
2409 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2410 (machine_function): Likewise.
2412 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2414 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2415 (STACK_BOUNDARY): Likewise.
2416 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2418 * config/i386/i386.opt (mabi=): New.
2420 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2421 return enum calling_abi.
2422 (ix86_function_type_abi): Likewise.
2423 (ix86_function_abi): Removed.
2425 * doc/invoke.texi: Document -mabi= option for x86.
2427 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 * builtins.c (real_dconstp): Delete.
2430 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2432 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2433 Jakub Jelinek <jakub@redhat.com>
2436 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2437 (gen_subprogram_die): When a function is explicit, generate the
2438 DW_AT_explicit attribute.
2439 * langhooks.h (struct lang_hooks_for_decls): Add
2440 function_decl_explicit_p langhook.
2441 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2442 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2444 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2446 * builtins.c (fold_builtin_memory_op): Optimize memmove
2447 into memcpy if we can prove source and destination don't overlap.
2449 * tree-inline.c: Include gt-tree-inline.h.
2450 (clone_fn_id_num): New variable.
2451 (clone_function_name): New function.
2452 (tree_function_versioning): Use it.
2453 * Makefile.in (GTFILES): Add tree-inline.c.
2455 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2457 * BASE-VER: Change to 4.5.0.
2459 2009-03-27 Xinliang David Li <davidxl@google.com>
2461 PR tree-optimization/39557
2462 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2464 2009-03-27 Xinliang David Li <davidxl@google.com>
2466 PR tree-optimization/39548
2467 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2470 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2472 * c-common.c (pointer_int_sum): Use %wd on return from
2475 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2477 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2478 on return from tree_low_cst.
2480 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2483 * ginclude/stdarg.h (va_copy): Define also for
2484 __GXX_EXPERIMENTAL_CXX0X__.
2486 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2489 * builtins.h (c_strlen): Do not warn here.
2490 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2491 * c-common.c (pointer_int_sum): Take an explicit location.
2492 Warn about offsets out of bounds.
2493 * c-common.h (pointer_int_sum): Adjust declaration.
2495 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2497 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2500 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2503 * opts.c (warn_if_disallowed_function_p): Don't assume
2504 get_callee_fndecl must return non-NULL.
2506 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2508 PR rtl-optimization/39522
2509 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2510 when reg_reloaded_valid is set.
2512 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2514 * config/spu/divv2df3.c: New file.
2515 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2516 (DPBIT_FUNCS): Filter out _div_df.
2518 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2520 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2521 a jump insn, count that jump in the distance to the loop start.
2523 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2526 * config/sh/sh.c (calc_live_regs): Fix condition for global
2527 registers except PIC_OFFSET_TABLE_REGNUM.
2529 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2532 * doc/invoke.texi (-mconsole): New.
2536 (-mnop-fun-dllimport): New.
2540 (sub section "i386 and x86-64 Windows Options"): New.
2542 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2544 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2545 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2547 2009-03-25 Richard Guenther <rguenther@suse.de>
2550 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2553 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2555 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2556 neither of haifa/selective schedulers are working.
2558 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2560 * doc/invoke.texi (Debugging Options): Fix description of
2561 -fno-merge-debug-strings.
2563 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2565 * config/cris/libgcc.ver: New version-script.
2566 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2568 * configure.ac <GAS features, nop mnemonic>: Add pattern
2569 crisv32-*-* for "nop".
2570 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2571 * configure: Regenerate.
2573 2009-03-24 Ira Rosen <irar@il.ibm.com>
2575 PR tree-optimization/39529
2576 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2577 mark_sym_for_renaming for the tag copied to the new vector
2580 2009-03-24 Arthur Loiret <aloiret@debian.org>
2582 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2583 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2584 EXTRA_SPEC_FUNCTIONS.
2585 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2586 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2587 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2588 -march and -mtune options.
2590 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2592 * config/m68k/t-rtems: Add m5329 multilib.
2594 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2595 Jakub Jelinek <jakub@redhat.com>
2598 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2601 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2604 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2605 instead of c_parser_expression_conv, if original_code isn't one of the
2606 4 allowed comparison codes, fail.
2608 2009-03-23 Richard Guenther <rguenther@suse.de>
2610 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2611 * tree.h (struct tree_type): Likewise.
2612 * reload.h (struct insn_chain): Likewise.
2613 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2614 * function.h (struct function): Likewise.
2615 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2617 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2619 PR tree-optimization/39516
2620 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2622 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2624 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2625 should be set true if BITS_PER_WORD of target is bigger than 32
2627 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2629 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2630 Translate -B-options to -rpath-link. Correct existing
2631 rpath-link and conditionalize on !nostdlib.
2633 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2635 * doc/extend.texi (Function Attributes, Variable Attributes):
2637 * doc/invoke.texi (Debugging Options, Optimize Options)
2638 (i386 and x86-64 Options, MCore Options): Likewise.
2640 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2643 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2644 it for block local namespace aliases.
2645 (gen_decl_die): Pass context_die to gen_namespace_die.
2647 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2650 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2651 minimum or maximum value.
2653 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2655 * reginfo.c (globalize_reg): Recompute derived reg sets.
2657 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2660 * libgcc2.c (mprotect): Do not use signed arguments for
2661 VirtualProtect, use DWORD arguments. Also fix the 'may
2662 be used uninitialized' warning for the np variable.
2664 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2667 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2668 functions using regparm calling conventions when not optimizing.
2669 (ix86_function_sseregparm): Similarly for sseregparm calling
2672 2009-03-19 Li Feng <nemokingdom@gmail.com>
2675 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2676 dependence if the first conflict is after niter iterations.
2678 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2681 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2682 functions with dynamic stack-pointer adjustments.
2684 2009-03-19 Ben Elliston <bje@au.ibm.com>
2686 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2687 option; change to -msdata=data.
2689 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2691 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2694 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2697 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2699 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2701 * doc/invoke.texi (Code Gen Options): Expand discussion of
2704 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2706 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2707 * matrix-reorg.c (struct matrix_info): Likewise.
2708 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2709 * rtl.h (struct mem_attrs): Likewise.
2710 * df.h (struct df): Likewise.
2711 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2712 * ira-int.h (struct ira_allocno): Likewise.
2713 * df-scan.c (struct df_collection_rec): Likewise.
2714 * ira.c (struct equivalence): Likewise.
2715 * function.c (struct temp_slot): Likewise.
2716 * cfgloop.h (struct loop): Likewise.
2719 * function.c (use_register_for_decl): When not optimizing, disregard
2720 register keyword for variables with types containing methods.
2722 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2725 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2726 (is_simple_operand): Call contains_component_ref_p before calling data
2727 reference analysis that would fail on COMPONENT_REFs.
2729 * tree-vrp.c (search_for_addr_array): Fix formatting.
2731 2009-03-18 Richard Guenther <rguenther@suse.de>
2733 * tree-vect-transform.c (vect_loop_versioning): Fold the
2734 generated comparisons.
2735 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2736 (slpeel_tree_peel_loop_to_edge): Likewise.
2738 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2741 * opts.c (print_specific_help): In addition to `undocumented',
2742 accept `separate' and `joined' flags if passed alone. Describe
2743 output by the first matched one of those.
2744 (common_handle_option): Skip over empty strings.
2745 * gcc.c (display_help): Fix help string for `--help='.
2746 * doc/invoke.texi (Option Summary, Overall Options): With
2747 `--help=', classes and qualifiers can both be repeated, but
2748 only the latter can be negated. One should not pass only
2749 negated qualifiers. Fix markup and examples.
2752 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2754 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2755 and -fhelp=separate.
2757 2009-03-17 Jing Yu <jingyu@google.com>
2760 * function.h (struct rtl_data): Move is_thunk from here...
2761 (struct function): ...to here.
2762 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2763 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2765 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2767 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2768 (alpha_output_function_end_prologue): Likewise.
2769 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2770 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2771 (rs6000_output_function_epilogue): Likewise.
2772 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2774 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2777 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2778 from different units in a single alternative.
2779 (*truncdfsf_i387): Ditto.
2780 (*truncxfsf2_mixed): Ditto.
2781 (*truncxfdf2_mixed): Ditto.
2783 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2785 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2786 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2789 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2790 unused non-artificial variables when not optimizing.
2793 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2794 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2795 NAMESPACE_DECL in its DECL_INITIAL.
2798 * optabs.c (set_user_assembler_libfunc): New function.
2799 * expr.h (set_user_assembler_libfunc): New prototype.
2800 * c-common.c: Include libfuncs.h.
2801 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2802 for memcmp, memset, memcpy, memmove and abort.
2803 * Makefile.in (c-common.o): Depend on libfuncs.h.
2806 * dwarf2out.c (gen_inlined_enumeration_type_die,
2807 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2808 gen_tagged_type_instantiation_die): Removed.
2809 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2812 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2815 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2817 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2818 (check-parallel-%): Ditto.
2819 (check-consistency): Ditto.
2821 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2823 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2824 local variable rhs by NULL_TREE.
2826 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2829 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2831 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2834 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2836 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2839 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2840 for ms->sysv ABI calls only in 64bit mode.
2842 * config/i386/i386.md (untyped_call): Support 32bit.
2844 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2846 * doc/extend.texi: Replace x86_65 with x86_64.
2848 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2850 PR tree-optimization/39455
2851 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2852 mismatches for POINTER_TYPE_P (type).
2853 (number_of_iterations_le): Likewise.
2855 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2857 * config/picochip/picochip.c: Removed profiling support.
2858 * config/picochip/picochip.md: Removed profiling instruction.
2859 * config/picochip/picochip.h: Removed profiling builtin.
2861 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2863 * doc/install.texi (--with-host-libstdcxx): Document.
2865 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2868 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2869 generate a warning if the function name does not begin with
2870 "__vector" and the function has either the 'signal' or 'interrupt'
2871 attribute, from here to ...
2872 (avr_declare_function_name): ...here. New function.
2873 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2874 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2876 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2879 * cse.c (fold_rtx): Don't modify original const_arg1 when
2880 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2881 separate variable instead.
2882 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2883 from out of range shift counts.
2884 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2886 2008-03-13 Catherine Moore <clm@codesourcery.com>
2888 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2889 diagnostic.h with $(DIAGNOSTIC_H).
2891 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2894 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2896 * config/i386/sync.md (sync_compare_and_swap<mode>,
2897 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2898 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2900 (sync_double_compare_and_swapdi_pic,
2901 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2902 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2904 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2907 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2909 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2912 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2913 (avx_addsubv4df3): Likewise.
2914 (*avx_addsubv4sf3): Likewise.
2915 (sse3_addsubv4sf3): Likewise.
2917 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2920 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2922 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2925 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2926 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2927 registers for allocnos created from user-defined variables.
2929 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2932 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2933 of non-integer mode as well.
2935 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2937 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2938 for functions for which the parameter types are unknown.
2940 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2943 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2944 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2945 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2946 * config/i386/i386.c (ix86_local_alignment): For
2947 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2948 long long variables on the stack to avoid dynamic realignment.
2949 Allow the first argument to be a decl rather than type.
2950 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2952 2009-03-11 Nick Clifton <nickc@redhat.com>
2955 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2957 Add description to mno-lsim option.
2958 * config/mcore/mcore.h: Remove comment about deprecated m4align
2960 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2961 * doc/invoke.texi: Add description of mno-lsim and
2962 mstack-increment options.
2964 * config/fr30/fr30.opt: Document the -mno-lsim option.
2965 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2966 and -mno-lsim options.
2968 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2970 * fold-const.c (fold_comparison): Only call fold_inf_compare
2971 if the mode supports infinities.
2973 2009-03-11 Jason Merrill <jason@redhat.com>
2976 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2977 end already did. Notice GIMPLE_CALL modifications of the result.
2978 Don't copy debug information from an ignored decl or a decl from
2981 2009-03-10 Richard Guenther <rguenther@suse.de>
2982 Nathan Froyd <froydnj@codesourcery.com>
2985 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2986 (__divMODE3): Likewise.
2988 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2990 PR tree-optimization/39394
2991 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2992 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2994 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2996 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2997 inline asms for register asm ("") declarations.
2999 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3001 * fold-const.c (fold_unary): Fix comment.
3003 2009-03-07 Jan Hubicka <jh@suse.cz>
3006 * tree-inline.c (setup_one_parameter): Do replacement of const
3007 argument by constant in SSA form.
3009 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3012 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3013 determine alignment passed to assign_stack_local.
3014 (assign_parms_unsplit_complex): Likewise.
3015 * except.c (sjlj_build_landing_pads): Likewise.
3017 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3020 * tree-flow.h (add_referenced_var): Return bool instead of void.
3021 * tree-dfa.c (add_referenced_var): Return result of
3022 referenced_var_check_and_insert call.
3023 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3024 of referenced_var_check_and_insert.
3027 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3028 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3029 DIE, don't emit it if abstract origin already has it.
3030 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3031 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3033 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3035 * genpreds.c (needs_variable): Fix parentheses at variable name
3037 (write_tm_constrs_h): Indent generated code.
3039 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3041 * doc/extend.texi (Function Attributes): Add documentation
3044 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3047 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3048 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3050 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3052 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3055 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3058 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3059 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3061 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3063 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3064 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3065 constants instead of magic numbers.
3066 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3068 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3069 (x86_64_ms_abi_int_parameter_registers): Ditto.
3070 (x86_64_int_return_registers): Ditto.
3071 (ix86_maybe_switch_abi): Ditto.
3072 (ix86_expand_call): Ditto for clobbered_registers array.
3073 (ix86_hard_regno_mode_ok): Ditto.
3074 (x86_extended_QIreg_mentioned_p): Ditto.
3076 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3078 PR tree-optimization/39349
3079 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3081 * combine.c (gen_lowpart_for_combine): Use omode when generating
3084 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3086 PR rtl-optimization/39235
3087 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3089 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3091 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3093 2009-03-04 Richard Guenther <rguenther@suse.de>
3095 PR tree-optimization/39362
3096 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3097 that occur in abnormal PHIs should be varying.
3099 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3101 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3103 (simple_iv): Take loop as an argument instead of statement.
3104 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3105 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3107 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3109 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3110 * matrix-reorg.c (analyze_transpose): Ditto.
3111 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3112 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3113 * tree-predcom.c (ref_at_iteration): Ditto.
3114 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3116 2009-03-04 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/39358
3119 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3120 escaped_id and callused_id.
3121 (solve_graph): Likewise.
3123 2009-03-04 Richard Guenther <rguenther@suse.de>
3125 PR tree-optimization/39339
3126 * tree-sra.c (try_instantiate_multiple_fields): Make it
3127 no longer ICE on the above.
3129 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3131 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3132 that fits within Pmode.
3134 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3137 * tm.texi (LIBCALL_VALUE): Update description.
3139 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3142 * doc/extend.texi (section): Update description.
3144 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3147 * tree-inline.c (remapped_type): New.
3148 (can_be_nonlocal): Call remapped_type instead of remap_type.
3150 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3153 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3154 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3156 2009-03-03 Richard Guenther <rguenther@suse.de>
3159 * tree.c (tree_nonartificial_location): New function.
3160 * tree.h (tree_nonartificial_location): Declare.
3161 * builtins.c (expand_builtin_memory_chk): Provide location
3162 of the call location for artificial function pieces.
3163 (maybe_emit_chk_warning): Likewise.
3164 (maybe_emit_sprintf_chk_warning): Likewise.
3165 (maybe_emit_free_warning): Likewise.
3166 * expr.c (expand_expr_real_1): Likewise.
3168 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3170 PR tree-optimization/39343
3171 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3172 COMPONENT_REF t has ARRAY_TYPE.
3174 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3177 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3178 when the type precision of the induction variable should be
3179 larger than the type precision of nit.
3180 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3181 * graphite.c (graphite_loop_normal_form): Same.
3182 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3184 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3186 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3187 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3188 numbers to describe clobbered registers.
3189 (*call_value_0_rex64_ms_sysv): Ditto.
3190 * config/i386/mmx.md (mmx_emms): Ditto.
3193 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3195 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3198 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3200 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3201 (spu_section_type_flags): New function.
3203 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3205 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3206 reg_class_contents of FLOAT_REGS into a temporary.
3208 2009-03-02 Richard Guenther <rguenther@suse.de>
3209 Ira Rosen <irar@il.ibm.com>
3211 PR tree-optimization/39318
3212 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3213 information to the vectorized statement.
3215 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3217 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3218 variable. Use defined names instead of magic constants for REX SSE
3221 2009-03-01 Richard Guenther <rguenther@suse.de>
3223 PR tree-optimization/39331
3224 * omp-low.c (lower_send_shared_vars): Do not receive new
3225 values for the reference of DECL_BY_REFERENCE parms or results.
3227 2009-03-01 Jan Hubicka <jh@suse.cz>
3230 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3231 BLOCK_NONLOCALIZED_VAR): New macros.
3232 (tree_block): Add nonlocalized_vars.
3233 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3234 gen_decl_die): Add origin argument. Allow generation of die with
3235 origin at hand only.
3236 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3237 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3239 (gen_block_die): Fix checking for unused blocks.
3240 (process_scope_var): Break out from .... ; work with origins only.
3241 (decls_for_scope) ... here; process nonlocalized list.
3242 (dwarf2out_ignore_block): Look for nonlocalized vars.
3243 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3245 (dump_scope_block): Dump them.
3246 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3247 (remap_block): Likewise.
3248 (can_be_nonlocal): New predicate.
3249 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3251 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3253 * configure: Regenerate.
3255 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3257 * optc-gen.awk: No need to duplicate option flags twice.
3258 Reuse help texts for duplicate options which do not have any.
3260 * gcc.c (display_help): Document --version.
3262 * gcc.c (main): If print_help_list and verbose_flag, ensure
3263 driver output comes before subprocess output.
3265 * optc-gen.awk: Assign all remaining fields to help string,
3266 space-separated, for multi-line help in *.opt.
3268 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3269 -Wno-pedantic-ms-format is for MinGW targets only.
3271 * doc/options.texi (Option file format): Fix bad indentation,
3272 restoring dropped sentence.
3274 2009-02-28 Jan Hubicka <jh@suse.cz>
3276 * tree-inline.c (tree_function_versioning): Output debug info.
3278 2009-02-28 Jan Hubicka <jh@suse.cz>
3281 * tree-inline.c (setup_one_parameter): Do not copy propagate
3282 arguments when not optimizing.
3284 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3287 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3288 (avx_addsubv4df3): Likewise.
3289 (*avx_addsubv4sf3): Likewise.
3290 (sse3_addsubv4sf3): Likewise.
3291 (*avx_addsubv2df3): Likewise.
3292 (sse3_addsubv2df3): Likewise.
3293 (avx_unpckhps256): Correct item selectors.
3294 (avx_unpcklps256): Likewise.
3295 (avx_unpckhpd256): Likewise.
3296 (avx_unpcklpd256): Likewise.
3298 2009-02-28 Jan Hubicka <jh@suse.cz>
3300 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3302 (copy_arguments_for_versioning): If var is declared don't declare it.
3303 (tree_function_versioning): First setup substitutions and then copy
3306 2009-02-27 Jan Hubicka <jh@suse.cz>
3309 * cgraph.h (varpool_output_debug_info): Remove.
3310 * cgraphunit.c (varpool_output_debug_info): Remove.
3311 * dwarf2out.c (deferred_locations_struct): New struct
3312 (deferred_locations): New type.
3313 (deferred_locations_list): New static var.
3314 (deffer_location): New function.
3315 (gen_variable_die): Use it.
3316 (decls_for_scope): Output info on local static vars.
3317 (dwarf2out_finish): Process deferred locations.
3318 * varpool.c (varpool_output_debug_info): Remove.
3320 2009-02-27 Jan Hubicka <jh@suse.cz>
3323 * tree.h (TREE_PROTECTED): Fix comment.
3324 (BLOCK_HANDLER_BLOCK): Remove.
3325 (struct tree_block): Remove handler_block add body_block.
3326 (inlined_function_outer_scope_p): New.
3327 (is_body_block): Remove.
3328 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3329 * dwarf2out.c (is_inlined_entry_point): Remove.
3330 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3331 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3333 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3334 * gimplify.c (gimplify_expr): Gimplify body blocks.
3335 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3336 block with multiple subblocks.
3337 (dump_scope_block): Prettier output; dump more flags and info.
3338 (dump_scope_blocks): New.
3339 (remove_unused_locals): Use dump_scope_blocks.
3340 * tree-flow.h (dump_scope_blocks): Declare.
3341 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3342 * stmt.c (is_body_block): Remove.
3343 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3344 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3346 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3349 * graphite.c (graphite_loop_normal_form): Do not call
3350 number_of_iterations_exit from a gcc_assert.
3352 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3354 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3355 jumps if COND is NULL.
3356 (find_cond_jump): New function.
3357 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3358 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3360 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3362 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3363 force_const_mem returns NULL_RTX.
3365 2009-02-26 Jan Hubicka <jh@suse.cz>
3368 * cgraph.h (varpool_output_debug_info): Remove.
3369 * cgraphunit.c (varpool_output_debug_info): Remove.
3370 * dwarf2out.c (deferred_locations_struct): New struct
3371 (deferred_locations): New type.
3372 (deferred_locations_list): New static var.
3373 (deffer_location): New function.
3374 (gen_variable_die): Use it.
3375 (decls_for_scope): Output info on local static vars.
3376 (dwarf2out_finish): Process deferred locations.
3377 * varpool.c (varpool_output_debug_info): Remove.
3379 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3381 PR rtl-optimization/39241
3382 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3383 to subreg_offset_representable_p.
3385 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3387 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3388 execute function prototype. Get f and nregs from max_reg_num
3389 and get_insns. Remove the first backward pass as it's dead,
3390 guard the forward pass by flag_expensive_optimizations.
3391 (rest_of_handle_regmove): Delete.
3392 (pass_regmove): Replace it with regmove_optimize.
3394 2009-02-25 Martin Jambor <mjambor@suse.cz>
3396 PR tree-optimization/39259
3397 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3398 calls_alloca function flags.
3399 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3402 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3404 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3405 flags_set_1_rtx, flags_set_1_set): Delete.
3406 (regmove_optimize): Do not call mark_flags_life_zones.
3408 2009-02-24 Julian Brown <julian@codesourcery.com>
3411 * config/arm/arm.c (require_pic_register): Only set
3412 cfun->machine->pic_reg once per function.
3414 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3416 * doc/invoke.texi (Link Options): Document an easier way to pass
3417 options that take arguments to the GNU linker using -Xlinker and -Wl.
3419 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3422 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3424 2009-02-24 Richard Guenther <rguenther@suse.de>
3427 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3429 2009-02-24 Richard Guenther <rguenther@suse.de>
3430 Zdenek Dvorak <ook@ucw.cz>
3432 PR tree-optimization/39233
3433 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3434 from converting them to a generic type.
3436 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3438 PR tree-optimization/39260
3439 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3440 contains a condition with a real type.
3441 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3443 2009-02-23 Jason Merrill <jason@redhat.com>
3446 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3447 narrowing_initializer_constant_valid_p.
3448 (narrowing_initializer_constant_valid_p): Don't return
3449 null_pointer_node for adding a pointer to itself.
3451 2009-02-23 Jan Hubicka <jh@suse.cz>
3454 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3457 2009-02-23 Jan Hubicka <jh@suse.cz>
3459 PR tree-optimization/37709
3460 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3461 * tree.h (block_ultimate_origin): Declare.
3462 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3463 * tree-ssa-live.c (remove_unused_scope_block_p):
3464 Eliminate blocks containig no instructions nor live variables nor
3466 (dump_scope_block): New function.
3467 (remove_unused_locals): Enable removal of dead blocks by default;
3468 enable dumping at TDF_DETAILS.
3470 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3472 * config/i386/i386.c (classify_argument): Don't allow COImode
3474 (function_arg_advance_32): Don't allow OImode.
3475 (function_arg_32): Likewise.
3476 (function_value_32): Likewise.
3477 (return_in_memory_32): Likewise.
3478 (function_arg_64): Remove OImode comment.
3480 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3483 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3484 ix86_expand_vector_set for V4DImode in 64bit mode only.
3485 (ix86_expand_vector_init_one_var): Likewise.
3487 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3489 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3491 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3494 * loop-iv.c: Revert last change.
3495 * emit-rtl.c: Likewise.
3497 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3500 * config/i386/i386.c (type_natural_mode): Remove an extra
3501 space in the warning message.
3502 (function_value_32): Handle 32-byte vector modes.
3503 (return_in_memory_32): Likewise.
3505 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3507 * loop-iv.c (truncate_value): New function.
3508 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3510 (lowpart_subreg): Move to...
3511 * emit-rtl.c: ...here.
3513 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3515 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3516 accidental and undocumented change at revision 140860.
3518 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3520 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3521 take gimple_seq * arguments.
3522 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3523 types_compatible_p langhook.
3525 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3526 Joseph Myers <joseph@codesourcery.com>
3528 * config/arm/arm.c (arm_builtin_va_list): New function.
3529 (arm_expand_builtin_va_start): Likewise.
3530 (arm_gimplify_va_arg_expr): Likewise.
3531 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3532 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3533 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3534 (va_list_type): New variable.
3535 (arm_mangle_type): Mangle va_list_type appropriately.
3537 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3540 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3541 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3542 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3543 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3544 parameter to 1000 for -O1 by default.
3545 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3547 * loop-invariant.c: Include params.h.
3548 (move_loop_invariants): Don't call move_single_loop_invariants on
3551 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3553 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3554 offset when calculating bounds for indexing stack_usage_map. Fixes
3555 a buffer overflow with certain target setups.
3557 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3560 * calls.c (expand_call): Clear try_tail_call if caller and callee
3561 disagree in promotion of function return value.
3563 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3566 * c-common.c (c_determine_visibility): If visibility changed and
3567 DECL_RTL has been already set, call make_decl_rtl to update symbol
3570 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3573 * varasm.c (assemble_variable): Don't check DECL_NAME when
3574 globalizing a variable.
3576 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3579 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3580 expression before any __builtin_trap call.
3581 * c-typeck.c (build_function_call): Convert and check function
3582 arguments before generating a call to a trap. Evaluate the
3583 function arguments before the trap.
3585 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3588 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3589 (UNSPEC_FXAM_MEM): New unspec.
3590 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3591 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3592 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3594 2009-02-19 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/39207
3597 PR tree-optimization/39074
3598 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3599 storedanything_tree): New.
3600 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3601 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3602 (build_succ_graph): Add edges from STOREDANYTHING to all
3604 (init_base_vars): Initialize STOREDANYTHING.
3605 (compute_points_to_sets): Free substitution info after
3606 building the succ graph.
3607 (ipa_pta_execute): Likewise.
3609 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3611 (do_ds_constraint): Do not add to special var or non-pointer
3613 (type_could_have_pointers): Split out from ...
3614 (could_have_pointers): ... here. For arrays use the element type.
3615 (create_variable_info_for): Initialize may_have_pointers.
3616 (new_var_info): Likewise.
3617 (handle_lhs_call): Make the HEAP variable unknown-sized.
3618 (intra_create_variable_infos): Use a type with pointers for
3619 PARM_NOALIAS, make it unknown-sized.
3621 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3624 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3626 2009-02-18 Jason Merrill <jason@redhat.com>
3629 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3630 value if DECL_EXTERNAL.
3631 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3632 * target.h (gcc_target::binds_local_p): Clarify "module".
3633 * tree.h (TREE_PUBLIC): Clarify "module".
3635 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3638 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3639 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3641 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3644 * c.opt (Wabi): Support C and ObjC.
3647 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3649 * config/i386/i386.c (classify_argument): Warn once about the ABI
3650 change when passing union with long double.
3652 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3654 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3657 * c-parser.c (c_parser_compound_statement): Always enter and leave
3660 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3663 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3665 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3667 PR tree-optimization/36922
3668 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3669 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3672 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3674 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3677 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3679 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3681 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3683 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3686 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3687 Richard Sandiford <rdsandiford@googlemail.com>
3689 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3690 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3691 (loongson_biadd): ...this.
3693 2009-02-17 Richard Guenther <rguenther@suse.de>
3695 PR tree-optimization/39202
3696 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3697 a var make sure to follow existing collapses.
3699 2009-02-17 Richard Guenther <rguenther@suse.de>
3702 * langhooks.c (lhd_print_error_function): Check for NULL block.
3704 2009-02-17 Richard Guenther <rguenther@suse.de>
3706 PR tree-optimization/39204
3707 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3710 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3712 * config/soft-fp/double.h: Update from glibc CVS.
3714 2009-02-17 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/39207
3717 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3718 strict-aliasing warnings for pointers pointing to NULL.
3720 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3723 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3724 skipping until next close brace.
3726 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3729 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3730 to function argument boundary.
3732 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3734 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3735 in the lea_add. Reload eventually constraints it properly.
3736 * config/picochip/constraints.md : Remove the target constraint
3737 "b", since it is not needed anymore.
3739 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3741 * gthr-dce.h: Uglify function parameter and local variable names.
3742 * gthr-gnat.h: Likewise.
3743 * gthr-mipssde.h: Likewise.
3744 * gthr-nks.h: Likewise.
3745 * gthr-posix95.h: Likewise.
3746 * gthr-posix.h: Likewise.
3747 * gthr-rtems.h: Likewise.
3748 * gthr-single.h: Likewise.
3749 * gthr-solaris.h: Likewise.
3750 * gthr-tpf.h: Likewise.
3751 * gthr-vxworks.h: Likewise.
3752 * gthr-win32.h: Likewise.
3754 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3757 * config/i386/i386.md: Restrict the new peephole2 to move
3758 between MMX/SSE registers.
3760 2009-02-15 Richard Guenther <rguenther@suse.de>
3763 2009-02-13 Richard Guenther <rguenther@suse.de>
3765 * configure.ac: Enable LFS.
3766 * configure: Re-generate.
3767 * config.in: Likewise.
3769 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3771 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3772 spu_srqwbyte, spu_srqwbytebc): Define.
3773 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3774 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3775 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3776 "shrqby_<mode>"): New insn-and-split patterns.
3777 * config/spu/spu.c (expand_builtin_args): Determine and return
3778 number of operands using spu_builtin_description data.
3779 (spu_expand_builtin_1): Use it.
3781 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3784 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3787 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3790 * config/i386/i386.c (override_options): Correct warning
3791 messages for -malign-loops, -malign-jumps and -malign-functions.
3793 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3796 * config/i386/i386.md: Restrict the new peephole2 to move
3797 between the general purpose registers.
3799 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3802 * config/i386/i386.c (type_natural_mode): Add a new argument.
3803 Return the original mode and warn ABI change if vector size is 32byte.
3804 (function_arg_advance): Updated.
3805 (function_arg): Likewise.
3806 (ix86_function_value): Likewise.
3807 (ix86_return_in_memory): Likewise.
3808 (ix86_sol10_return_in_memory): Likewise.
3809 (ix86_gimplify_va_arg): Likewise.
3810 (function_arg_32): Don't warn ABX ABI change here.
3811 (function_arg_64): Likewise.
3813 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3815 * loop-iv.c (implies_p): In the final case, test that operands 0
3816 of the two comparisons match.
3818 * config/bfin/bfin.c (find_prev_insn_start): New function.
3819 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3820 (find_next_insn_start): Move.
3822 2009-02-13 Richard Guenther <rguenther@suse.de>
3824 * configure.ac: Enable LFS.
3825 * configure: Re-generate.
3826 * config.in: Likewise.
3828 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3831 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3832 sizes on syntax error after some arguments have been parsed.
3834 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3836 * doc/invoke.texi (-fira): Remove.
3838 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3840 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3841 * recog.c: Likewise.
3844 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3846 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3847 (umul_ppmm): Likewise.
3848 (count_leading_zeros): Likewise.
3849 (count_trailing_zeros): Likewise.
3850 (UMUL_TIME): Likewise.
3852 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3854 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3855 soft-fp/t-softfp to tmake_file.
3857 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3858 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3859 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3860 IA64_BUILTIN_INFQ]: New.
3861 (ia64_init_builtins): Initialize __builtin_infq,
3862 __builtin_fabsq and __builtin_copysignq if not HPUX.
3863 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3864 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3866 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3868 (__fixtfti): Likewise.
3869 (__fixunstfti): Likewise.
3870 (__floattitf): Likewise.
3872 * config/ia64/libgcc-glibc.ver: New.
3873 * config/ia64/t-fprules-softfp: Likewise.
3874 * config/ia64/sfp-machine.h: Likewise.
3876 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3877 (LIBGCC2_TF_CEXT): Likewise.
3878 (TF_SIZE): Likewise.
3879 (TARGET_INIT_LIBFUNCS): Likewise.
3881 * config/ia64/t-glibc (SHLINB_MAPFILES):
3882 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3884 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3886 * config/i386/i386.c (construct_container): Rewrite processing
3887 BLKmode with X86_64_SSE_CLASS.
3889 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3892 * config/i386/i386.md: Replace simplify_replace_rtx with
3893 replace_rtx in the new peephole2.
3895 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3897 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3898 loop unrolling do not happen at -O2.
3900 2009-02-12 Michael Matz <matz@suse.de>
3902 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3904 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3906 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3909 2009-02-12 Ben Elliston <bje@au.ibm.com>
3911 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3912 patterns when updating the back chain. Missed in the 2009-02-10
3915 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3917 * doc/extend.texi (Decimal Floating Types): Update identifier of
3918 draft TR and list of missing support.
3920 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3923 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3924 bit to variable length decl's flags, add it also to its
3925 pointer replacement variable.
3927 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3928 Jakub Jelinek <jakub@redhat.com>
3931 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3932 (memory_blockage): New expander.
3933 (*memory_blockage): New insn pattern.
3934 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3935 instead of general blockage at the end of function prologue when
3936 frame pointer is used to access red zone area. Do not emit blockage
3937 when profiling, it is emitted in generic code.
3938 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3939 function epilogue when frame pointer is used to access red zone area.
3941 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3944 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3945 by arithmetic with memory operands.
3946 * config/i386/predicates.md (commutative_operator): New.
3948 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3950 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3953 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3955 * alias.h (record_alias_subset): Declare.
3956 * alias.c (record_alias_subset): Make global.
3958 2009-02-10 Nick Clifton <nickc@redhat.com>
3960 * tree-parloops.c: Change license to GPLv3.
3961 * ipa-struct-reorg.c: Change license to GPLv3.
3962 * ipa-struct-reorg.h: Change license to GPLv3.
3964 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3967 * c-decl.c (start_struct): Return NULL on error.
3969 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3972 * cfgloopmanip.c (remove_path): Call remove_bbs after
3973 cancel_loop_tree, not before it.
3976 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3977 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3978 VAR_DECLs were seen.
3979 * tree-ssa-live.c (remove_unused_locals): Recompute
3980 cfun->has_local_explicit_reg_vars.
3981 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3982 copies or clearings if cfun->has_local_explicit_reg_vars.
3984 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3987 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3988 of function prologue when frame pointer is used to access
3991 2009-02-10 Richard Guenther <rguenther@suse.de>
3994 * gimplify.c (gimple_regimplify_operands): Always look if
3995 we need to create a temporary.
3997 2009-02-10 Richard Guenther <rguenther@suse.de>
3999 PR tree-optimization/39132
4000 * tree-loop-distribution.c (todo): New global var.
4001 (generate_memset_zero): Trigger TODO_rebuild_alias.
4002 (tree_loop_distribution): Return todo.
4004 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4007 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4008 (x86_64_reg_class_name): Removed.
4009 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4010 first one isn't X86_64_SSE_CLASS or any other ones aren't
4011 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4012 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4013 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4014 and 3 X86_64_SSEUP_CLASS.
4015 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4016 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4018 2009-02-10 Ben Elliston <bje@au.ibm.com>
4020 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4021 form instruction to update the stack back chain word, even if the
4022 user has disabled the generation of update instructions.
4023 (movdi_<mode>_update_stack): New.
4024 (movsi_update_stack): Likewise.
4025 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4026 always use an update form instruction to update the stack back
4029 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4032 * graphite.c (if_region_set_false_region): After moving a region in
4033 the false branch of a condition, remove the empty dummy basic block.
4034 (gloog): Remove wrong fix for PR38953.
4036 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4038 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4039 generation due to implicit sign extension.
4041 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4044 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4045 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4047 2009-02-09 Richard Guenther <rguenther@suse.de>
4050 * convert.c (convert_to_real): Disable (float)fn((double)x)
4051 to fnf(x) conversion if errno differences may occur and
4052 -fmath-errno is set.
4054 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4056 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4057 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4058 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4060 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4063 * c-common.c (handle_alias_attribute): Disallow attribute for
4064 anything not a FUNCTION_DECL or VAR_DECL.
4066 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4069 * real.c (do_compare): Special-case compare of zero against
4070 decimal float value.
4072 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4075 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4076 as indicating flexible array members unless the field itself is
4077 being declarared as the incomplete array.
4079 2009-02-06 Jan Hubicka <jh@suse.cz>
4081 PR tree-optimization/38844
4082 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4085 2009-02-06 Richard Guenther <rguenther@suse.de>
4088 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4089 fork because we may expand it as __gcov_fork.
4091 2009-02-06 Nick Clifton <nickc@redhat.com>
4093 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4095 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4097 PR tree-optimization/35659
4098 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4099 vn_phi_eq): Shortcut if hashcode does not match.
4100 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4102 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4103 and avoid iterative_hash_expr.
4104 (FOR_EACH_VALUE_ID_IN_SET): New.
4105 (value_id_compare): Remove.
4106 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4107 sort expressions by value id.
4109 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4112 * config/sh/predicates.md (general_movsrc_operand): Don't check
4113 the subreg of system registers here.
4115 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4118 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4121 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4123 PR rtl-optimization/39110
4124 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4125 addresses, not aligned ones.
4127 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4128 Richard Guenther <rguenther@suse.de>
4130 PR tree-optimization/39100
4131 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4132 comment says and add edges.
4134 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4137 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4138 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4140 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4142 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4143 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4144 register_bb_in_sese, new_sese, free_sese): Moved.
4145 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4146 outermost_loop_in_scop, build_scop_iteration_domain,
4147 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4148 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4149 Use loop_in_sese_p instead of loop_in_scop_p.
4150 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4151 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4152 (scopdet_basic_block_info): Fix bug in scop detection.
4153 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4154 eq_loop_to_cloog_loop): Remove.
4155 (nb_loops_around_loop_in_scop, nb_loop
4156 ref_nb_loops): Moved here...
4157 * graphite.h (ref_nb_loops): ... from here.
4158 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4159 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4160 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4161 * testsuite/gcc.dg/graphite/scop-19.c: New
4163 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4164 Hans-Peter Nilsson <hp@axis.com>
4166 PR rtl-optimization/37889
4167 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4168 Move offset handling from PLUS to before the switch. Use new
4169 arguments when considering SYMBOL_REFs too.
4170 (rtx_addr_can_trap_p): Pass dummy offset and size.
4171 (enum may_trap_p_flags): Remove.
4172 (may_trap_p_1): Pass size from MEM_SIZE.
4174 PR rtl-optimization/38921
4175 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4176 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4177 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4178 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4180 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4182 AVX Programming Reference (January, 2009)
4183 * config/i386/sse.md (*vpclmulqdq): New.
4185 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4187 PR tree-optimization/38977
4188 PR gcov-profile/38292
4189 * calls.c (special_function_p): Disregard __builtin_ prefix.
4191 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4193 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4194 non-indexable addresses even before reload.
4196 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4199 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4200 as having variable size. Do not give an error for unnamed
4201 parameters with [*] declarators. Give a warning for type names
4202 with [*] declarators and mark them as variable size.
4203 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4204 for sizeof applied to [*] type names.
4206 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4209 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4211 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4213 * gcc.c (process_command): Update copyright notice dates.
4214 * gcov.c (print_version): Likewise.
4215 * gcov-dump.c (print_version): Likewise.
4216 * mips-tfile.c (main): Likewise.
4217 * mips-tdump.c (main): Likewise.
4219 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4222 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4223 for composite type involving a zero-length array type.
4225 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4228 * function.c (match_asm_constraints_1): Skip over
4229 initial optional % in the constraint.
4232 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4233 supported, don't accept FIXED_CSTs.
4234 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4235 and _Sat is used without _Fract/_Accum. Set specs->type to
4236 integer_type_node for cts_fract/cts_accum if fixed point is not
4239 2009-02-02 Catherine Moore <clm@codesourcery.com>
4241 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4243 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4245 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4246 (ABI_HAS_64BIT_SYMBOLS): Use it.
4247 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4249 2009-02-02 Paul Brook <paul@codesourcery.com>
4251 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4253 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4256 * recog.h (asm_operand_ok): Add constraints argument.
4257 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4258 recurse on matching constraint.
4259 (check_asm_operands): Pass constraints as 3rd argument to
4260 asm_operand_ok. Don't look up matching constraint here.
4261 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4264 2009-02-02 Ben Elliston <bje@au.ibm.com>
4266 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4267 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4269 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4271 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4272 information. Remove some obsolete information. Reorganize.
4274 * config/pa/fptr.c: Revert license to GPL 2.
4275 * config/pa/milli64.S: Likewise.
4277 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4280 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4281 LIBRARY name in, instead of hard-coding it.
4282 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4283 extra target make frag to tmake_files according to EH model.
4284 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4285 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4286 frags that define makefile variable EH_MODEL appropriately.
4287 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4288 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4289 to "-sjlj" according to type of EH configured.
4290 (LIBGCC_SONAME): Concatenate it to shared library base name.
4291 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4292 to "_sjlj" according to type of EH configured.
4293 (LIBGCC_SONAME): Concatenate it to shared library base name.
4294 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4295 (SHLIB_LINK): Add missing semicolon to if-else construct.
4296 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4297 string value of "pe_dll" command-line option.
4298 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4299 (SHLIB_SONAME): Use it when overriding t-cygming default.
4300 (SHLIB_IMPLIB): Override t-cygming default.
4301 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4302 string value of "pe_dll" command-line option.
4304 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4307 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4308 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4310 2009-01-31 Richard Guenther <rguenther@suse.de>
4312 PR tree-optimization/38937
4313 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4314 computing the transitive closure.
4316 2009-01-30 Richard Guenther <rguenther@suse.de>
4318 PR tree-optimization/39041
4319 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4320 Propagate variable indices only if the types match for this stmt.
4322 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4325 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4326 inline but never defined.
4328 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4330 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4331 (*insv_h_di_reg_extimm): New insn.
4332 (*insv_l<mode>_reg_extimm): New insn.
4334 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4336 * config/picochip/picochip.c (flag_conserve_stack): set
4337 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4338 fconserve-stack. Reduce call-overhead used by inliner.
4340 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4343 * common.opt (flag_conserve_stack): Initialised to zero.
4345 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4348 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4349 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4352 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4354 * ira-color.c (allocno_reload_assign): Update comments.
4355 * regmove.c (regmove_optimize): Likewise.
4359 2009-01-29 Robert Millan <rmh@aybabtu.com>
4361 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4362 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4363 `MD_UNWIND_SUPPORT'.
4364 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4366 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4368 PR tree-optimization/39007
4369 * tree-loop-distribution.c (generate_builtin): Use
4370 recompute_dominator to compute the immediate dominator of the
4371 basic block just after the loop.
4373 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4375 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4376 (ASM_OUTPUT_DWARF_PCREL): Define.
4378 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4380 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4381 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4382 global. Modify entries about regmove and IRA.
4384 * ra-conflict.c: Remove the file.
4386 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4388 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4389 (pass_regclass_init): Rename to pass_reginfo_init.
4391 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4393 * toplev.h (flag_ira): Remove.
4395 * caller-save.c (setup_save_areas): Remove flag_ira.
4397 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4399 * global.c: Remove the file.
4401 * opts.c (decode_options): Remove flag_ira.
4403 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4405 * regmove.c: Modify file description.
4406 (find_use_as_address, try_auto_increment): Define them only if
4407 AUTO_INC_DEC is defined.
4408 (replacement_quality, replace_in_call_usage, fixup_match_1,
4409 stable_and_no_regs_but_for_p): Remove.
4410 (reg_set_in_bb): Make it static.
4411 (regmove_optimize): Remove flag_ira and code which worked for
4414 * local-alloc.c: Remove the file.
4416 * common.opt (fira): Remove.
4418 * ira.c: Include except.h.
4419 (eliminable_regset): Move from global.c.
4420 (mark_elimination): Ditto. Remove flag_ira.
4421 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4422 equiv_mem_modified, validate_equiv_mem_from_store,
4423 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4424 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4425 no_equiv, recorded_label_ref): Move from local-alloc.c.
4426 (update_equiv_regs): Ditto. Make it static.
4427 (print_insn_chain, print_insn_chains): Move it from global.c.
4428 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4429 (build_insn_chain): Ditto. Make it static.
4430 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4431 Rename to init_live_subregs.
4432 (gate_ira): Remove flag_ira.
4434 * regclass.c: Rename reginfo.c. Change file description.
4435 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4436 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4437 (init_reg_sets_1): Remove code for evaluation of
4438 reg_class_superclasses and losing_caller_save_reg_set.
4439 (init_regs): Remove init_reg_autoinc.
4440 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4441 ok_for_base_p_nonstrict): Remove.
4442 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4443 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4444 corresponding entries.
4445 (dump_regclass, record_operand_costs, scan_one_insn,
4446 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4447 record_address_regs, auto_inc_dec_reg_p): Remove.
4448 (gt-regclass.h): Rename to gt-reginfo.h.
4450 * rtl.h (dump_global_regs, retry_global_alloc,
4451 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4453 * Makefile.in (RA_H): Remove.
4454 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4455 Rename regclass.o to reginfo.o.
4456 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4458 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4459 (GTFILES): Rename regclass.c to reginfo.c.
4461 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4462 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4464 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4465 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4467 (finish_spills): Ditto. Remove code for !flag_ira.
4469 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4472 * doc/invoke.texi (rtl debug options): Complete rewrite.
4473 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4475 * mode-switching.c (pass_mode_switching): Rename pass from
4476 "mode-sw" to "mode_sw".
4477 * except.c (pass_convert_to_eh_ranges): Rename pass from
4478 "eh-ranges" to "eh_ranges".
4479 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4483 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4484 Alexander Monakov <amonakov@ispras.ru>
4487 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4489 (move_exprs_to_boundary): Change return type and pass through
4490 should_move from move_op. Relax assert. Update usage ...
4491 (schedule_expr_on_boundary): ... here. Use should_move instead of
4493 (move_op_orig_expr_found): Indicate that insn was disconnected from
4495 (code_motion_process_successors): Do not call after_merge_succs
4496 callback if original expression was not found when traversing any of
4498 (code_motion_path_driver): Change return type. Update prototype.
4499 (move_op): Update comment. Add a new parameter (should_move). Update
4500 prototype. Set *should_move based on indication provided by
4501 move_op_orig_expr_found.
4503 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4505 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4506 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4507 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4508 * config/rs6000/rs6000.c (rs6000_override_options): Default
4509 avoid-indexed-addresses on for Power6, off for everything else.
4510 (avoiding_indexed_address_p): New function.
4511 (rs6000_legitimize_address): Use it.
4512 (rs6000_legitimate_address): Likewise.
4513 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4515 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4517 PR tree-optimization/38997
4518 * tree-loop-distribution.c (generate_memset_zero): Use
4519 POINTER_PLUS_EXPR for a pointer addition.
4521 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4523 * config/s390/s390.md (bswap<mode>2): New pattern added.
4525 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4527 * config/s390/s390.md (*tls_load_31): Added type attribute.
4529 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4531 * config/s390/s390.md: Fix a few comments.
4533 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4535 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4536 (*tm<mode>_full): Fixed z10prop attribute.
4537 (*tst<mode>_extimm): Fixed z10prop attribute.
4538 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4539 (*tstqiCCT_cconly): Fixed z10prop attribute.
4540 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4541 (*movsi_larl): Fixed z10prop attribute.
4542 (*movsi_zarch): Fixed z10prop attribute.
4543 (*movsi_eas): Fixed z10prop attribute.
4544 (*movhi): Fixed z10prop attribute.
4545 (*movqi): Fixed z10prop attribute.
4546 (*movstrictqi): Fixed z10prop attribute.
4547 (*mov<mode>): Fixed z10prop attribute.
4548 (*movcc): Fixed z10prop attribute.
4549 (*sethighpartdi_64): Fixed z10prop attribute.
4550 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4551 (*negdi2_sign_cc): Fixed z10prop attribute.
4552 (*negdi2_sign): Fixed z10prop attribute.
4553 (*absdi2_sign_cc): Fixed z10prop attribute.
4554 (*absdi2_sign): Fixed z10prop attribute.
4555 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4556 (*negabsdi2_sign): Fixed z10prop attribute.
4557 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4558 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4559 (doloop_si64): Fixed z10prop attribute.
4560 (doloop_si31): Fixed z10prop attribute.
4561 (doloop_long): Fixed z10prop attribute.
4562 (indirect_jump): Fixed z10prop attribute.
4563 (nop): Fixed z10prop attribute.
4564 (main_base_64): Fixed z10prop attribute.
4565 (reload_base_64): Fixed z10prop attribute.
4567 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4569 PR rtl-optimization/38740
4570 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4572 * config/mips/mips.c (mips_reorg): Likewise.
4574 2009-01-28 Richard Guenther <rguenther@suse.de>
4576 PR tree-optimization/38926
4577 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4578 with the correct value id to a value.
4579 (do_regular_insertion): Use the value number of edoubleprime
4580 for the value number of the expr.
4583 2008-08-21 Richard Guenther <rguenther@suse.de>
4585 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4586 a PHI ask VN if it is already available.
4587 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4588 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4590 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4593 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4594 set to varying whenever max has TREE_OVERFLOW set, similarly
4595 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4597 2009-01-28 Richard Guenther <rguenther@suse.de>
4600 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4601 uninitialized aggregate uses in call arguments.
4603 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4605 PR tree-optimization/38984
4606 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4607 the nothing_id variable if -fno-delete-null-pointer-checks.
4609 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4612 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4613 (set_got_offset_rex64): Ditto.
4615 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4618 * doc/extend.texi: Improve local variable with asm reg.
4620 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4622 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4623 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4624 was not supplied then set warn_packed_bitfield_compat to the
4626 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4629 2009-01-27 Richard Guenther <rguenther@suse.de>
4631 PR tree-optimization/38503
4632 * cfgexpand.c (expand_gimple_basic_block): Ignore
4633 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4634 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4635 variables that cannot have TBAA applied.
4636 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4639 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4642 * calls.c (initialize_argument_information): Do not wrap complex
4643 arguments in SAVE_EXPR.
4645 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4647 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4648 (INSTALL_LIBGCC): Revert typo commit.
4650 2009-01-26 Richard Guenther <rguenther@suse.de>
4652 PR tree-optimization/38745
4653 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4654 from special handling.
4656 2009-01-26 Richard Guenther <rguenther@suse.de>
4658 PR tree-optimization/38745
4659 * tree-ssa.c (execute_update_addresses_taken): Do not include
4660 variables that cannot possibly be a register in not_reg_needs.
4661 Do not clear TREE_ADDRESSABLE on vars that may not become
4663 * tree-ssa.c (update_alias_info_1): Include those in the set
4664 of addressable vars.
4666 2009-01-26 Richard Guenther <rguenther@suse.de>
4669 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4670 * tree-ssa-dse.c: Include langhooks.h
4671 (execute_simple_dse): Remove stores with zero size.
4673 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4676 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4679 2009-01-24 Julian Brown <julian@codesourcery.com>
4681 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4682 config/arm/linux-atomic.c.
4683 * config/arm/linux-atomic.c: New.
4685 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4687 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4688 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4689 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4691 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4694 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4697 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4699 PR tree-optimization/38953
4700 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4701 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4702 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4703 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4706 2009-01-24 Paul Brook <paul@codesourcery.com>
4708 * config/arm/neon.md (neon_type): Move to arm.md.
4709 (neon_mov<VSTRUCT>): Add neon_type attribute.
4710 * config/arm/arm.md (neon_type): Move to here.
4711 (conds): Add "unconditioal" and use as default for NEON insns.
4713 2009-01-24 Ben Elliston <bje@au.ibm.com>
4715 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4716 void *' warning from -Wc++-compat.
4717 * Makefile.in (dominance.o-warn): Remove.
4719 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4721 PR tree-optimization/38932
4722 * fold-const.c (fold_unary_ignore_overflow): New.
4723 * tree.h (fold_unary_ignore_overflow): Declare.
4724 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4725 * tree-ssa-sccvn.c (visit_reference_op_load,
4726 simplify_unary_expression): Likewise.
4728 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4730 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4731 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4732 regardless of their type.
4733 * c-common.c (handle_packed_attribute): Don't ignore packed on
4735 * c.opt (Wpacked-bitfield-compat): New warning option.
4736 * stor-layout.c (place_field): Warn if offset of a field changed.
4737 * doc/extend.texi (packed): Mention the ABI change.
4738 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4739 (Warning Options): Add it to the list.
4741 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4743 * c-opts.c (c_common_post_options): Fix a typo in comments.
4745 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4748 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4749 variables to static.
4750 * doc/invoke.texi (-fmerge-all-constants): Update description.
4752 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4755 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4756 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4758 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4760 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4762 (LOCAL_ALIGNMENT): Similarly.
4764 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4765 Joseph Myers <joseph@codesourcery.com>
4767 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4768 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4769 * config/arm/arm-tune.md: Regenerate.
4770 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4773 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4775 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4776 version number to five.
4778 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4781 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4782 * c-common.c (set_underlying_type): Likewise.
4783 (is_typedef_decl ): Likewise
4785 (set_underlying_type): Likewise.
4786 (is_typedef_type): Likewise.
4788 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4791 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4794 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4797 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4798 (LIBGCC_SPEC): Don't define.
4799 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4801 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4803 PR rtl-optimization/38879
4804 * alias.c (base_alias_check): Unaligned access via AND address can
4805 alias all surrounding object types except those with sizes equal
4806 or wider than the size of unaligned access.
4808 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4811 * c-decl.c (clone_underlying_type): Move this ...
4812 * c-common.c (set_underlying_type): ... here.
4813 Also, make sure the function properly sets TYPE_STUB_DECL() on
4814 the newly created typedef variant type.
4815 (is_typedef_decl ): New entry point.
4816 * tree.h: Added a new member member_types_needing_access_check to
4817 struct tree_decl_non_common.
4818 (set_underlying_type): New entry point.
4819 (is_typedef_type): Likewise.
4821 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4823 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4824 Check whether two instructions have memory references that
4825 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4826 are helper functions for traversing.
4827 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4828 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4829 not to draw dependency edge for instructions with non-conflicting
4832 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4835 * longlong.h: Update copyright years. Use soft-fp license notice.
4836 Sync __clz_tab declaration with glibc.
4838 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4841 * doc/extend.texi (syscall_linkage): New.
4842 (version_id): Modify.
4844 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4845 Richard Guenther <rguenther@suse.de>
4847 PR tree-optimization/38747
4848 PR tree-optimization/38748
4849 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4850 conversion if the base address is an indirect reference and the
4851 aliasing sets could cause issues.
4853 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4855 * common.opt (fgraphite, fgraphite-identity): Add comment for
4856 explaining why these options are not documented.
4858 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4860 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4861 gimple_call_lhs is NULL.
4863 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4866 * emit-rtl.c (adjust_address_1): Make sure memref is never
4869 2009-01-20 Ben Elliston <bje@au.ibm.com>
4871 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4872 const qualifier from arg parameter. Remove unnecessary cast to char *.
4873 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4874 const qualifier from arg 2.
4876 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4878 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4880 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4883 * rtl.h (reinit_regs): New prototype.
4884 * regclass.c: Include ira.h.
4886 * Makefile.in (regclass.o): Add ira.h.
4887 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4889 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4892 * c-common.c (handle_aligned_attribute): Use
4893 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4894 default alignment value.
4896 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4898 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4899 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4901 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4902 __BIGGEST_ALIGNMENT__.
4904 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4906 2009-01-18 Richard Guenther <rguenther@suse.de>
4908 PR tree-optimization/38819
4909 * tree-flow.h (operation_could_trap_helper_p): Declare.
4910 * tree-eh.c (operation_could_trap_helper_p): Export.
4911 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4912 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4913 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4914 are about to insert a possibly trapping instruction and fail
4917 2009-01-18 Andreas Schwab <schwab@suse.de>
4919 * doc/install.texi (Configuration): Remove obsolete paragraph
4920 about use of --with-gnu-ld with --with-gnu-as.
4922 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4924 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4925 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4926 Follow spelling conventions.
4928 2009-01-18 Ben Elliston <bje@au.ibm.com>
4930 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4931 C++ warning about implicit conversion from void * to struct
4933 (bitmap_obstack_free): Likewise for bitmap_element *.
4934 * Makefile.in (bitmap.o-warn): Remove.
4936 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4938 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4940 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4941 Tobias Grosser <tobi.grosser@amd.com>
4943 * graphite.c (graphite_trans_scop_block): Do not block single
4946 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4948 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4949 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4950 test with assertion.
4952 2009-01-16 Richard Guenther <rguenther@suse.de>
4954 PR tree-optimization/38835
4956 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4957 and INT + PTR -> (INT)(PTR p+ INT) folding.
4958 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4960 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4963 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4964 the subreg from a lowpart subreg if it is also casting the value.
4966 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4967 Tobias Grosser <tobi.grosser@amd.com>
4969 * graphite.c (compare_prefix_loops): New.
4970 (build_scop_canonical_schedules): Rewritten.
4971 (graphite_transform_loops): Move build_scop_canonical_schedules
4972 after build_scop_iteration_domain.
4974 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4975 Tobias Grosser <tobi.grosser@amd.com>
4977 * graphite.c (add_conditions_to_domain): Add the loops to
4978 the dimension of the iteration domain. Do copy the domain
4979 only when it exists.
4980 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4981 (add_conditions_to_constraints): New.
4982 (can_generate_code_stmt, can_generate_code): Removed.
4983 (gloog): Do not call can_generate_code.
4984 (graphite_transform_loops): Call add_conditions_to_constraints
4985 after building the iteration domain.
4987 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4989 PR tree-optimization/38789
4990 * tree-ssa-threadedge.c
4991 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4992 __builtin_constant_p.
4994 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4996 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4997 examined before deleting them.
4999 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5001 * function.c (aggregate_value_p): Correctly extract the function
5002 type from CALL_EXPR_FN lookup.
5004 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5006 * config/picochip/picochip.c (picochip_override_options): Revert
5007 CFI asm flag disable commited previously.
5009 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5010 Tobias Grosser <tobi.grosser@amd.com>
5011 Jan Sjodin <jan.sjodin@amd.com>
5013 * graphite.c (scan_tree_for_params): On substractions negate
5014 all the coefficients of the term.
5015 (clast_to_gcc_expression_red): New. Handle reduction expressions
5016 of more than two operands.
5017 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5018 (get_vdef_before_scop): Handle also the case of default definitions.
5020 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5022 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5023 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5024 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5026 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5027 Joey Ye <joey.ye@intel.com>
5030 * cfgexpand.c (expand_stack_alignment): Don't update stack
5031 boundary nor check incoming stack boundary here.
5032 (gimple_expand_cfg): Update stack boundary and check incoming
5033 stack boundary here.
5035 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5037 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5039 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5041 PR rtl-optimization/38245
5042 * calls.c (expand_call): Add stack arguments to
5043 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5044 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5045 in regs and partially in memory or BLKmode arguments.
5046 (emit_library_call_value_1): Add stack arguments to
5047 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5048 ACCUMULATE_OUTGOING_ARGS).
5049 * dce.c: Include tm_p.h.
5050 (find_call_stack_args): New function.
5051 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5053 (mark_insn): Call find_call_stack_args for CALL_Ps.
5054 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5055 forwards. Allocate and free arg_stores bitmap if needed, pass it
5056 down to deletable_insn_p, don't mark stores set in arg_stores
5057 bitmap, clear the bitmap at the beginning of each bb.
5058 * Makefile.in (dce.o): Depend on $(TM_P_H).
5060 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5063 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5064 to make sure the insn is a conditional test (bug 22599). Reformat a
5067 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5070 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5071 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5072 (gloog): Do not call cleanup_tree_cfg.
5073 (graphite_transform_loops): Call cleanup_tree_cfg after all
5074 scops have been code generated.
5076 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5077 * doc/gty.texi (Invoking the garbage collector): Added new node
5078 and section documenting ggc_collect.
5080 2009-01-14 Richard Guenther <rguenther@suse.de>
5082 PR tree-optimization/38826
5084 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5085 initialization notes only if we actually emitted a warning.
5086 (intra_create_variable_infos): Add constraints for a result decl
5087 that is passed by hidden reference.
5088 (build_pred_graph): Mark all related variables non-direct on
5091 2009-01-14 Nick Clifton <nickc@redhat.com>
5093 * ira-conflicts.c: Include addresses.h for the definition of
5095 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5096 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5098 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5101 * Makefile.in (ira-lives.o): Add except.h.
5103 * ira-lives.c: Include except.h.
5104 (process_bb_node_lives): Process can_throw_internal.
5106 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5108 PR rtl-optimization/38774
5109 * combine.c (simplify_set): When undoing cc_use change, don't do
5110 PUT_CODE on the newly created comparison, but instead put back the
5113 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5115 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5116 values. Remove duplicate arm8 entry.
5118 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5120 PR tree-optimization/38786
5121 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5122 the SSA_NAME case of expand_scalar_variables_expr.
5123 Set the type of an expression to the type of its assign statement.
5124 (expand_scalar_variables_expr): Also gather the scalar computation
5125 used to index the memory access. Do not pass loop_p.
5126 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5127 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5128 the gimple_stmt_iterator where it inserts new code.
5130 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5131 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5133 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5135 * graphite.h (debug_value): Removed.
5136 * graphite.c (debug_value): Removed.
5138 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5140 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5141 ldrd/strd with two 32-bit instructions.
5143 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5145 * config/arm/arm.c (struct processors): Pass for speed down into
5146 cost helper functions.
5147 (const_ok_for_op): Handle COMPARE and inequality nodes.
5148 (arm_rtx_costs_1): Rewrite.
5149 (arm_size_rtx_costs): Update prototype.
5150 (arm_rtx_costs): Pass speed down to helper functions.
5151 (arm_slowmul_rtx_costs): Rework cost calculations.
5152 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5153 (arm_9e_rtx_costs): Likewise.
5155 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5157 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5158 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5159 (alpha_legitimize_address): Do not split local symbols wider than
5160 UNITS_PER_WORD into HIGH/LO_SUM parts.
5162 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5165 * gcc.c (process_command): Replace call to execvp with calls
5166 to pex_one and exit.
5168 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5171 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5172 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5173 variant for devices with 3-byte PC.
5174 (__tablejump_elpm__): New.
5176 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5179 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5180 offsetof member-designator, handle it as `[0].'.
5182 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5184 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5185 function when not using named sections on targets with named sections
5186 if branch distance is less than 262132.
5188 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5190 * combine.c (combine_instructions): Recompute
5191 optimize_this_for_speed_p for each BB in the main combine loop.
5193 2009-01-12 Tomas Bily <tbily@suse.cz>
5196 * tree-loop-distribution.c (prop_phis): New function.
5197 (generate_builtin): Call prop_phis.
5198 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5200 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5202 PR tree-optimization/38807
5203 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5204 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5206 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5208 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5209 subreg of op0 to the original op0.
5211 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5213 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5215 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5218 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5219 starting with digits.
5221 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5224 * config/arm/arm.c (arm_is_long_call_p): Don't call
5225 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5227 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5229 * regrename.c (regrename_optimize): Fix dumping.
5230 (find_oldest_value_reg): Preserve REG_POINTER.
5231 (copy_hardreg_forward_1): Likewise.
5233 2009-01-09 Diego Novillo <dnovillo@google.com>
5235 * gimple.h (struct gimple_statement_base) <uid>: Document
5236 the restrictions on its use.
5238 (gimple_set_uid): Tidy.
5240 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5242 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5243 zero guard even if align_bytes != 0 and count is smaller than
5246 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5248 PR rtl-optimization/38495
5249 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5250 (add_range_and_copies_from_move_list): Print all added ranges.
5251 Add ranges to memory optimized destination.
5253 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5257 * config/i386/i386.c (override_options): Reject
5258 -mstringop-strategy=rep_8byte with -m32.
5259 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5260 to 1. Do count comparison against epilogue_size_needed at compile
5261 time even when count_exp was constant forced into register. For
5262 size_needed don't jump to epilogue, instead just avoid aligning
5263 and invoke the body algorithm. If need_zero_guard, add zero guard
5264 even if count is non-zero, but smaller than size_needed + number of
5265 bytes that could be stored for alignment.
5266 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5267 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5268 but smaller than size_needed + number of bytes that could be stored
5269 for alignment. Compare size_needed with epilogue_size_needed instead
5270 of desired_align - align, don't adjust size_needed, pass
5271 epilogue_size_needed to the epilogue expanders.
5274 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5276 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5278 * pa.c (last_address): Change to unsigned.
5279 (update_total_code_bytes): Change argument to unsigned. Don't
5280 check if insn addresses are set.
5281 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5282 addresses are not set.
5283 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5285 2009-01-09 Nick Clifton <nickc@redhat.com>
5287 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5288 DECL_DECLARED_INLINE_P.
5290 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5293 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5294 GET_MODE (op0) in operand_subword_force calls.
5297 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5298 fold_convert arg0 operands to TREE_TYPE (op0) first.
5300 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5302 * params.def (ira-max-conflict-table-size): Decrease default value
5305 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5307 PR tree-optimization/37031
5308 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5310 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5311 allocate it using gc instead of heap, use VEC_quick_push instead of
5313 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5314 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5315 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5316 allocated vector from heap allocated.
5317 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5318 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5319 vector only after perfect_loop_nest_depth call.
5321 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5322 Jan Sjodin <jan.sjodin@amd.com>
5324 PR tree-optimization/38559
5325 * graphite.c (debug_value, copy_constraint,
5326 swap_constraint_variables, scale_constraint_variable, ): New.
5327 (get_lower_bound, get_upper_bound): Removed.
5328 (graphite_trans_bb_strip_mine): Clean up this code that works
5329 only for constant number of iterations. Fully copy upper and
5330 lower bound constraints, not only the constant part of them.
5331 * graphite.h (debug_value): Declared.
5333 2009-01-08 Ira Rosen <irar@il.ibm.com>
5335 PR tree-optimization/37194
5336 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5337 Don't add the cost of cost model guard in prologue to scalar
5338 outside cost in case of known number of iterations.
5340 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5341 Alan Modra <amodra@bigpond.net.au>
5343 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5344 non-word-aligned REG+CONST addressing.
5346 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5349 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5350 free_after_compilation when outputting a thunk.
5351 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5352 Do not call free_after_compilation here.
5354 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5356 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5357 (ix86_valid_target_attribute_inner_p): Ditto.
5359 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5361 PR tree-optimization/38492
5362 PR tree-optimization/38498
5363 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5364 * tree-chrec.h (scev_is_linear_expression): Declared.
5365 * graphite.c (graphite_cannot_represent_loop_niter): New.
5366 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5367 (graphite_loop_normal_form): Use gcc_assert.
5368 (scan_tree_for_params): Use CASE_CONVERT.
5369 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5370 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5371 Use gcc_assert. Discard scops that contain unhandled cases.
5372 (build_scop_conditions): Return a boolean status for unhandled cases.
5373 (strip_mine_profitable_p): Print the loop number, not its depth.
5374 (is_interchange_valid): Pass the depth of the loop nest, don't
5375 recompute it wrongly.
5376 (graphite_trans_bb_block): Same.
5377 (graphite_trans_bb_block): Print tentative of loop blocking.
5378 (graphite_trans_scop_block): Do not print that the loop has been
5380 (graphite_transform_loops): Do not handle scops that contain condition
5383 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5385 AVX Programming Reference (December, 2008)
5386 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5387 (_mm256_stream_pd): Likewise.
5388 (_mm256_stream_ps): Likewise.
5390 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5391 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5392 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5393 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5394 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5395 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5396 (ix86_expand_special_args_builtin): Likewise.
5398 * config/i386/sse.md (AVXMODEDI): New.
5399 (avx_movnt<mode>): Likewise.
5400 (avx_movnt<mode>): Likewise.
5401 (<sse>_movnt<mode>): Remove AVX support.
5402 (sse2_movntv2di): Likewise.
5404 2009-01-07 Richard Guenther <rguenther@suse.de>
5407 * fold-const.c (extract_muldiv): Remove obsolete comment.
5408 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5409 to PLUS_EXPR canonicalization for the canonicalization.
5411 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5413 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5414 hosted cross-compilers generating less efficient code.
5416 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5418 * function.h (rtl_data): Add a dbr_scheduled_p field.
5419 * reorg.c (dbr_schedule): Set it.
5420 (gate_handle_delay_slots): Check it.
5421 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5422 (mips_reorg): Check flag_delayed_branch instead of
5423 mips_base_delayed_branch.
5424 (mips_override_options): Don't set mips_base_delayed_branch
5425 or flag_delayed_branch.
5427 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5429 PR rtl-optimization/38426.
5430 * ira.c (ira): Set current_function_is_leaf earlier.
5432 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5434 PR rtl-optimization/38722
5435 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5436 too early, only set a flag and modify after last possible
5439 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5442 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5443 * real.c (decimal_single_format): Correct values of emin and emax.
5444 (decimal_double_format): Ditto.
5445 (decimal_quad_format): Ditto.
5446 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5447 computation of DECnn_MIN and DECnn_MAX for corrected values of
5448 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5449 __DECnn_MIN__, and adjust its computation for the corrected value
5452 2009-01-06 Jan Hubicka <jh@suse.cz>
5455 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5457 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5459 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5460 Add Robert Clark to the list of testers.
5462 2009-01-06 Jan Hubicka <jh@suse.cz>
5463 Kai Tietz <kai.tietz@onevision.com>
5465 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5466 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5468 2009-01-06 Jan Hubicka <jh@suse.cz>
5469 Kai Tietz <kai.tietz@onevision.com>
5471 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5473 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5474 (ix86_nsaved_regs): Count only general purpose regs.
5475 (ix86_nsaved_sseregs): New.
5476 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5477 to 16 for w64; compute padding and size of sse reg save area.
5478 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5479 general purpose regs.
5480 (ix86_emit_save_sse_regs_using_mov): New.
5481 (ix86_expand_prologue): Save SSE regs if needed.
5482 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5483 (ix86_emit_restore_sse_regs_using_mov): New.
5484 (ix86_expand_epilogue): Save SSE regs if needed.
5486 2009-01-06 Jan Hubicka <jh@suse.cz>
5487 Kai Tietz <kai.tietz@onevision.com>
5489 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5490 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5491 functions when accumulate outgoing args is off.
5493 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5496 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5497 before using pseudos_have_intersected_live_ranges_p.
5499 * ira-int.h (ira_assert): Always define.
5501 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5503 AVX Programming Reference (December, 2008)
5504 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5505 (_mm256_permute2_pd): Likewise.
5506 (_mm_permute2_ps): Likewise.
5507 (_mm256_permute2_ps): Likewise.
5508 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5509 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5511 * config/i386/i386.c (ix86_builtins): Remove
5512 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5513 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5514 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5515 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5516 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5517 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5518 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5519 __builtin_ia32_vpermil2ps256.
5520 (ix86_init_mmx_sse_builtins): Updated.
5521 (ix86_expand_args_builtin): Likewise.
5523 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5525 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5526 long absolute calls when generating PA 2.0 code.
5528 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5530 PR rtl-optimization/38583
5531 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5533 * params.def (ira-max-conflict-table-size): New.
5535 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5537 * ira.h (ira_conflicts_p): New external definition.
5539 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5540 table. Report this. Return result of building.
5541 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5542 building conflict table.
5544 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5545 (ira_color): Use ira_conflicts_p.
5547 * global.c: Include ira.h.
5548 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5551 * Makefile.in (global.o): Add ira.h.
5553 * ira-build.c (mark_all_loops_for_removal,
5554 propagate_some_info_from_allocno): New.
5555 (remove_unnecessary_allocnos): Call
5556 propagate_some_info_from_allocno.
5557 (remove_low_level_allocnos): New.
5558 (remove_unnecessary_regions): Add parameter. Call
5559 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5560 parameter to remove_unnecessary_regions.
5561 (ira_build): Remove all regions but root if the conflict table was
5562 not built. Update conflict hard regs for allocnos crossing calls.
5564 * ira.c (ira_conflicts_p): New global.
5565 (ira): Define and use ira_conflicts_p.
5567 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5568 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5569 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5571 2009-01-06 Ben Elliston <bje@au.ibm.com>
5573 * gengtype-lex.l (YY_NO_INPUT): Define.
5575 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5578 * c-common.c (handle_vector_size_attribute): Also reject
5581 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5583 PR tree-optimization/38492
5584 * graphite.c (rename_map_elt, debug_rename_elt,
5585 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5586 rename_map_elt_info, eq_rename_map_elts,
5587 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5588 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5589 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5590 (sese_build_livein_liveouts): New.
5591 (new_sese, free_sese): New.
5592 (new_scop): Call new_sese.
5593 (free_scop): Call free_sese.
5594 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5595 (register_old_new_names): Renamed register_old_and_new_names.
5596 (register_scop_liveout_renames, add_loop_exit_phis,
5597 insert_loop_close_phis, struct igp,
5598 default_liveout_before_guard, add_guard_exit_phis,
5599 insert_guard_phis, copy_renames): New.
5600 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5601 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5602 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5603 (scop_adjust_phis_for_liveouts): New.
5604 (gloog): Call scop_adjust_phis_for_liveouts.
5606 * graphite.h (struct sese): Documented. Added fields liveout,
5608 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5609 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5610 (struct scop): Added field liveout_renames.
5611 (SCOP_LIVEOUT_RENAMES): New.
5613 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5615 PR tree-optimization/38510
5616 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5617 (translate_clast): Call recompute_all_dominators before
5619 (gloog): Call recompute_all_dominators before graphite_verify.
5621 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5622 Jan Sjodin <jan.sjodin@amd.com>
5624 PR tree-optimization/38500
5625 * graphite.c (create_sese_edges): Call fix_loop_structure after
5628 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5630 * config.gcc: Add m32r*-*-rtems*.
5631 * config/m32r/rtems.h: New file.
5633 2009-01-05 Ben Elliston <bje@au.ibm.com>
5635 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5636 (.po.pox): Likewise.
5637 (po/gcc.pot): Likewise.
5639 2009-01-04 David S. Miller <davem@davemloft.net>
5641 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5642 (STARTING_FRAME_OFFSET): Always set to zero.
5644 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5646 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5647 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5648 fixed-point types, and vectors of the same.
5650 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5652 * config/mips/sync.md (*mb_barrier): Rename to...
5653 (*memory_barrier): ...this.
5655 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5657 * doc/extend.texi (Function Attributes): Move @cindex after @item
5658 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5659 and put in alphabetical order. Fix 'target' name and put in order.
5660 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5663 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5665 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5666 (memory_barrier): Expand as unspec instead of unspec_volatile.
5667 Remove mem:BLK from insn operands. Use Pmode scratch register.
5668 (*memory_barrier): Define as unspec instead of unspec_volatile.
5669 Use (match_dup 0) as input operand.
5671 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5672 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5673 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5674 scratch register. Remove operand 1.
5675 (*stbar): Define as unspec instead of unspec_volatile.
5676 Use (match_dup 0) as input operand, remove (const_int 8).
5677 (*membar): Define as unspec instead of unspec_volatile.
5678 Use (match_dup 0) as input operand, remove input operand 2.
5680 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5681 (memory_barrier): Expand as unspec instead of unspec_volatile.
5682 Remove mem:BLK from insn operands. Use Pmode scratch register.
5683 (*memory_barrier): Define as unspec instead of unspec_volatile.
5684 Use (match_dup 0) as input operand.
5686 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5687 Remove mem:BLK from insn operands. Use Pmode scratch register.
5688 Set volatile flag on operand 0.
5689 (*memory_barrier): New insn pattern.
5691 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5693 (*memory_barrier): Use (match_dup 0) as input operand.
5695 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5696 Remove mem:BLK from insn operands. Use Pmode scratch register.
5697 Set volatile flag on operand 0.
5698 (*mb_internal): New insn pattern.
5700 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5702 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5705 * function.c (struct temp_slot): Move to the section of the file
5706 that deals with temp slots. Remove field 'address'.
5707 (temp_slot_address_table): New hash table of address -> temp slot.
5708 (struct temp_slot_address_entry): New struct, items for the table.
5709 (temp_slot_address_compute_hash, temp_slot_address_hash,
5710 temp_slot_address_eq, insert_temp_slot_address): Support functions
5712 (find_temp_slot_from_address): Rewrite to use the new hash table.
5713 (remove_unused_temp_slot_addresses): Remove addresses of temp
5714 slots that have been made available.
5715 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5716 worker function for remove_unused_temp_slot_addresses.
5717 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5718 Add the temp slot address to the address -> temp slot map.
5719 (update_temp_slot_address): Update via insert_temp_slot_address.
5720 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5721 (pop_temp_slots): Likewise.
5722 (init_temp_slots): Allocate the address -> temp slot map, or empty
5723 the map if it is already allocated.
5724 (prepare_function_start): Initialize temp slot processing.
5726 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5729 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5730 Calculate the size of all stack vars assuming no packing of stack
5731 vars will happen, replacing a quadratic algorithm with a linear one.
5733 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5736 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5739 2009-01-03 Diego Novillo <dnovillo@google.com>
5741 * doc/contrib.texi: Update contributions.
5743 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5746 * builtins.c (fold_builtin_memory_op): Give up if either operand
5747 is volatile. Set srctype or desttype to non-qualified version
5751 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5754 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5756 PR rtl-optimization/35805
5757 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5758 problem if fast dce is able to remove any instructions.
5759 * dce.c (dce_process_block): Fix dump message.
5761 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5764 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5766 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5769 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5770 * tree-pretty-print.c (op_code_prio): New function.
5771 (op_prio): No longer static. Use op_code_prio.
5772 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5773 Use op_prio and op_code_prio to determine if () should be
5774 printed around operand(s) or not.
5776 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5777 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5778 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5779 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5780 pp_character instead of pp_string for single letter printing.
5782 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5784 * doc/extend.texi: Fix '#pragma GCC option' typo.
5786 2009-01-02 Richard Guenther <rguenther@suse.de>
5788 * doc/install.texi (--enable-checking): Mention different
5790 (--enable-stage1-checking): Document.
5792 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5795 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5796 case to be an error.
5798 2009-01-02 Ben Elliston <bje@au.ibm.com>
5800 * config/fp-bit.h (pack_d): Constify argument.
5801 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5802 (isnan): Constify argument.
5806 (_fpadd_parts): Constify return type.
5807 (_fpmul_parts): Likewise.
5808 (_fpdiv_parts): Likewise.
5810 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5813 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5814 warn about overwriting initializer with side-effects or
5815 -Woverride-init if !IMPLICIT.
5816 (output_init_element): Likewise. Pass IMPLICIT down to
5818 (process_init_element): Add IMPLICIT argument. Pass it down
5819 to output_init_element.
5820 (push_init_element, pop_init_level, set_designator): Adjust
5821 process_init_element callers.
5822 (set_nonincremental_init, set_nonincremental_init_from_string):
5823 Adjust add_pending_init callers.
5824 (output_pending_init_elements): Adjust output_init_element callers.
5825 * c-tree.h (process_init_element): Adjust prototype.
5826 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5827 process_init_element callers.