1 2009-04-17 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4 (fold_stmt_r): Likewise.
5 (maybe_fold_reference): New function.
6 (fold_gimple_assign): Handle cases fold_stmt_r did.
7 (fold_stmt): Do not use fold_stmt_r.
8 (fold_stmt_inplace): Likewise.
10 2009-04-17 Richard Guenther <rguenther@suse.de>
12 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
13 (record_equivalences_from_stmt): Remove useless checks and
15 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
16 the type is already suitable.
18 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
20 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
22 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
24 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
25 (CMPtype): Define as __gcc_CMPtype.
27 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
29 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
30 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
32 2009-04-17 Richard Guenther <rguenther@suse.de>
34 PR tree-optimization/39746
35 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
36 special-casing for builtins and static variable use/def.
37 (call_may_clobber_ref_p_1): Likewise.
39 2009-04-16 Ian Lance Taylor <iant@google.com>
41 * df.h: Include "timevar.h".
42 (struct df_problem): Change tv_id field to timevar_id_t.
43 * tree-pass.h: Include "timevar.h".
44 (struct opt_pass): Change tv_id field to timevar_id_t.
45 * timevar.h (timevar_id_t): Define TV_NONE.
46 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
47 TV_NONE rather than tv_id != 0.
48 (execute_one_pass): Likewise.
49 * Makefile.in (DF_H): Add $(TIMEVAR_H).
50 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
51 dependencies to $(TREE_PASS_H).
52 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
54 (pass_branch_target_load_optimize2): Likewise.
55 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
56 (pass_outof_cfg_layout_mode): Likewise.
57 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
58 (pass_rebuild_cgraph_edges): Likewise.
59 (pass_remove_cgraph_callee_edges): Likewise.
60 * df-core.c (pass_df_initialize_opt): Likewise.
61 (pass_df_initialize_no_opt): Likewise.
62 (pass_df_finish): Likewise.
63 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
64 * except.c (pass_set_nothrow_function_flags): Likewise.
65 (pass_convert_to_eh_region_ranges): Likewise.
66 * final.c (pass_compute_alignments): Likewise.
67 * function.c (pass_instantiate_virtual_regs): Likewise.
68 (pass_init_function): Likewise.
69 (pass_leaf_regs): Likewise.
70 (pass_match_asm_constraints): Likewise.
71 * gimple-low.c (pass_lower_cf): Likewise.
72 (pass_mark_used_blocks): Likewise.
73 * init-regs.c (pass_initialize_regs): Likewise.
74 * integrate.c (pass_initial_value_sets): Likewise.
75 * ira.c (pass_ira): Likewise.
76 * jump.c (pass_cleanup_barriers): Likewise.
77 * omp-low.c (pass_expand_omp): Likewise.
78 (pass_lower_omp): Likewise.
79 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
80 * recog.c (pass_split_all_insns): Likewise.
81 (pass_split_after_reload): Likewise.
82 (pass_split_before_regstack): Likewise.
83 (pass_split_before_sched2): Likewise.
84 (pass_split_for_shorten_branches): Likewise.
85 * reginfo.c (pass_reginfo_init): Likewise.
86 (pass_subregs_of_mode_init): Likewise.
87 (pass_subregs_of_mode_finish): Likewise.
88 * passes.c (pass_postreload): Likewise.
89 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
90 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
91 (pass_warn_function_return): Likewise.
92 (pass_warn_function_noreturn): Likewise.
93 * tree-complex.c (pass_lower_complex): Likewise.
94 (pass_lower_complex_O0): Likewise.
95 * tree-if-conv.c (pass_if_conversion): Likewise.
96 * tree-into-ssa.c (pass_build_ssa): Likewise.
97 * tree-mudflap.c (pass_mudflap_1): Likewise.
98 (pass_mudflap_2): Likewise.
99 * tree-nomudflap.c (pass_mudflap_1): Likewise.
100 (pass_mudflap_2): Likewise.
101 * tree-nrv.c (pass_return_slot): Likewise.
102 * tree-object-size.c (pass_object_sizes): Likewise.
103 * tree-optimize.c (pass_all_optimizations): Likewise.
104 (pass_early_local_passes): Likewise.
105 (pass_all_early_optimizations): Likewise.
106 (pass_cleanup_cfg): Likewise.
107 (pass_cleanup_cfg_post_optimizing): Likewise.
108 (pass_free_datastructures): Likewise.
109 (pass_free_cfg_annotations): Likewise.
110 (pass_fixup_cfg): Likewise.
111 (pass_init_datastructures): Likewise.
112 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
113 (pass_late_warn_uninitialized): Likewise.
114 (pass_update_address_taken): Likewise.
115 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
116 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
117 (pass_cse_sincos): Likewise.
118 (pass_convert_to_rsqrt): Likewise.
119 * tree-ssa-structalias.c (pass_build_alias): Likewise.
120 * tree-stdarg.c (pass_stdarg): Likewise.
121 * tree-tailcall.c (pass_tail_recursion): Likewise.
122 (pass_tail_calls): Likewise.
123 * tree-vect-generic.c (pass_lower_vector): Likewise.
124 (pass_lower_vector_ssa): Likewise.
125 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
127 2009-04-16 Joseph Myers <joseph@codesourcery.com>
129 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
131 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
133 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
136 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
139 * config/sh/predicates.md (arith_operand): Check if the operand
140 of TRUNCATE is a REG.
142 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
144 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
145 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
147 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
149 * tree-iterator.c (tsi_split_statement_list_after,
150 tsi_split_statement_list_before): Remove.
151 * tree-iterator.h: Remove the prototypes for
152 tsi_split_statement_list_after and tsi_split_statement_list_before.
154 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
156 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
157 * tree-ssa-propagate.h: Remove the prototype for
158 stmt_makes_single_load.
160 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
162 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
163 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
165 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
167 * tree-iterator.c (EXPR_LAST_BODY): Remove.
169 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
171 * except.c (eh_region_outer_p): Remove.
172 * except.h: Remove the prototype for eh_region_outer_p.
174 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
176 * function.c (current_function_assembler_name): Remove.
177 * function.h: Remove the prototype for
178 current_function_assembler_name.
180 2009-04-16 Ian Lance Taylor <iant@google.com>
182 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
183 (add_reg_note): Call alloc_reg_note.
184 * rtl.h (alloc_reg_note): Declare.
185 * combine.c (try_combine): Use alloc_reg_note.
186 (recog_for_combine, move_deaths): Likewise.
187 (distribute_notes): Use alloc_reg_note and add_reg_note.
188 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
189 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
190 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
192 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
194 PR rtl-optimization/39762
195 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
196 ira_may_move_out_cost): Add comments about way of their usage.
197 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
199 * ira-conflicts.c (process_regs_for_copy): Use function
200 ira_get_register_move_cost instead of global
201 ira_register_move_cost.
203 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
204 color_pass, move_spill_restore, update_curr_costs): Ditto.
206 * ira-lives.c (process_single_reg_class_operands): Ditto.
208 * ira-emit.c (emit_move_list): Ditto.
210 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
211 (record_reg_classes): Ditto. Use functions
212 ira_get_register_move_cost and ira_get_may_move_cost instead of
213 global vars ira_register_move_cost, ira_may_move_out_cost and
214 ira_may_move_in_cost.
215 (record_address_regs): Don't call ira_init_register_move_cost.
216 Use function ira_get_may_move_cost instead of global
217 ira_may_move_in_cost.
218 (process_bb_node_for_hard_reg_moves): Use function
219 ira_get_register_move_cost instead of global ira_register_move_cost.
220 (ira_costs): Don't call ira_init_register_move_cost.
222 2009-04-16 Richard Guenther <rguenther@suse.de>
224 * tree-cfg.c (verify_gimple_assign_binary):
225 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
226 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
227 (create_general_new_stmt): Note that this function is broken.
229 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
231 * common.opt (fhelp): Add Var(help_flag).
232 * gcc-plugin.h (plugin_info): Add help.
233 * plugin.c (plugin_name_args): Add help.
234 (register_plugin_info): Set plugin->help.
235 (print_help_one_plugin): New.
236 (print_plugins_help): New.
237 * plugin.h (print_plugins_help): New.
238 * toplev.c (toplev_main): Call print_plugins_help if needed.
240 2009-04-16 Richard Guenther <rguenther@suse.de>
242 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
243 (gimple_ior_addresses_taken_1): New function.
244 (gimple_ior_addresses_taken): Likewise.
245 * gimple.h (struct gimple_statement_with_ops_base): Remove
246 addresses_taken member.
247 (gimple_ior_addresses_taken): Declare.
248 (gimple_addresses_taken, gimple_addresses_taken_ptr,
249 gimple_set_addresses_taken): Remove.
250 * ipa-reference.c (mark_address): New function.
251 (scan_stmt_for_static_refs): Use it for marking addresses taken.
252 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
253 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
254 (gimple_add_to_addresses_taken): Remove.
255 (get_tmr_operands): Call mark_address_taken.
256 (get_asm_expr_operands): Likewise.
257 (get_expr_operands): Likewise.
258 (build_ssa_operands): Do not clear the addresses_taken bitmap.
259 (free_stmt_operands): Do not free it.
260 * tree-ssa.c (delete_tree_ssa): Likewise.
261 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
263 2009-04-16 Richard Guenther <rguenther@suse.de>
265 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
266 (walk_stmt_load_store_ops): Likewise.
267 * gimple.c (get_base_loadstore): New function.
268 (walk_stmt_load_store_addr_ops): Likewise.
269 (walk_stmt_load_store_ops): Likewise.
270 * ipa-pure-const.c (check_op): Simplify.
271 (check_load, check_store): New functions.
272 (check_stmt): Use walk_stmt_load_store_ops.
273 * ipa-reference.c (mark_load): Adjust signature.
274 (mark_store): Likewise.
275 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
277 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
279 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
281 * opts.c (common_handle_option): Don't call print_version.
282 * plugin.c (plugin_name_args): Add version.
283 (register_plugin_info): New.
284 (register_callback): Handle PLUGIN_INFO.
285 (try_init_one_plugin): New.
286 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
288 (finalize_one_plugin): New.
289 (finalize_plugins): New.
290 (print_one_plugin): New.
291 (print_plugins_versions): New.
292 * plugin.h (print_plugins_versions): New.
293 (finalize_plugins): New.
294 * toplev.c (compile_file): Don't call initialize_plugins.
295 (print_version): Call print_plugins_versions.
296 (toplev_main): Call initialize_plugins. Print version if needed.
297 Call finalize_plugins.
299 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
301 * common.opt (fversion): New.
302 * gcc.c (print_version): New.
303 (process_command): Don't print the version. Just set print_version.
304 (main): Print version. Call subprocesses if print_version and
305 verbose_flag are set.
306 * opts.c (common_handle_option): Handle OPT_fversion.
308 2009-04-16 Richard Guenther <rguenther@suse.de>
309 Ira Rosen <irar@il.ibm.com>
311 PR tree-optimization/39698
312 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
313 type of the reduction variable. Only generate the def if
316 * omp-low.c (expand_omp_for_generic): When converting to a pointer
317 make sure to first convert to an integer of the same precision.
318 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
319 the type of the evolution correctly in computing the new
320 induction variable base.
322 2009-04-16 Richard Guenther <rguenther@suse.de>
325 * tree-cfg.c (make_blocks): Split statements with to-be
326 abnormal SSA names on the lhs.
328 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
330 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
331 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
332 * c-typeck.c (really_start_incremental_init): Likewise.
333 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
334 (TARGET_INITIALIZER): Remove it.
335 * target.h (struct target): Remove vector_opaque_p.
336 * tree.c (build_opaque_vector_type): New.
337 * tree.h (TYPE_VECTOR_OPAQUE): New.
338 (build_opaque_vector_type): Declare.
339 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
340 * config/rs6000/rs6000.c (build_opaque_vector_type,
341 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
342 (rs6000_init_builtins): Use build_opaque_vector_type for
343 opaque_V4SI_type_node.
345 2009-04-15 Catherine Moore <clm@codesourcery.com>
347 * debug.h (set_name): Declare.
348 * dwarf2out.c (dwarf2out_set_name): Declare.
349 (dwarf2_debug_hooks): Add set_name.
350 (find_AT_string): New.
351 (add_AT_string): Call find_AT_string.
352 (dwarf2out_set_name): New.
353 * cp/decl.c (grokdeclarator): Call set_name.
354 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
355 * debug.c (do_nothing_debug_hooks): Likewise.
356 * dbxout.c (dbx_debug_hooks): Likewise.
357 * sdbout.c (sdb_debug_hooks): Likewise.
359 2009-04-15 Michael Eager <eager@eagercon.com>
361 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
362 reg for single-precision FPU.
363 * config/rs6000/rs6000.md (movsi_internal1): Only for
365 (movsi_internal1_single): New. Add pattern to move SI values to/from
366 single-precision FP regs.
368 2009-04-15 Richard Guenther <rguenther@suse.de>
370 * omp-low.c (lower_rec_input_clauses): Build correct address
372 (expand_omp_for_generic): Fix multiplication type.
373 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
374 (generate_memset_zero): Fix types.
375 * tree-profile.c (prepare_instrumented_value): Correctly
378 2009-04-15 Ian Lance Taylor <iant@google.com>
380 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
381 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
382 for -Wall and for -Wc++-compat.
383 (c_common_post_options): For C++, set warn_enum_compare if not
385 * c-tree.h (struct c_expr): Add field original_type.
386 (build_external_ref): Update declaration.
387 * c-parser.c (c_parser_braced_init): Set original_type.
388 (c_parser_initelt): Likewise.
389 (c_parser_expr_no_commas): Likewise.
390 (c_parser_conditional_expression): Likewise.
391 (c_parser_cast_expression): Likewise.
392 (c_parser_unary_expression): Likewise. Pull setting of
393 original_code to top of function.
394 (c_parser_sizeof_expression): Set original_type.
395 (c_parser_alignof_expression): Likewise.
396 (c_parser_postfix_expression): Likewise. Pull setting of
397 original_code to top of function.
398 (c_parser_postfix_expression_after_paren_type): Set original_type.
399 (c_parser_postfix_expression_after_primary): Likewise.
400 (c_parser_expression): Likewise.
401 * c-typeck.c (build_external_ref): Add type parameter. Change all
403 (c_expr_sizeof_expr): Set original_type field.
404 (parser_build_unary_op): Likewise.
405 (parser_build_binary_op): Likewise. Optionally warn about
406 comparisons of enums of different types.
407 (digest_init): Set original_type field.
408 (really_start_incremental_init): Likewise.
409 (push_init_level, pop_init_level): Likewise.
410 * doc/invoke.texi (Warning Options): -Wenum-compare now
413 2009-04-15 Richard Guenther <rguenther@suse.de>
415 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
416 out a necessary conversion.
417 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
418 names we didn't value number.
419 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
421 2009-04-15 Richard Guenther <rguenther@suse.de>
423 PR tree-optimization/39764
424 * tree-ssa-ccp.c (get_value): Canonicalize value with
425 canonicalize_float_value.
427 2009-04-15 Jan Hubicka <jh@suse.cz>
429 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
430 Wrong version of patch.
432 2009-04-15 Jan Hubicka <jh@suse.cz>
434 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
436 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
438 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
439 our distinct integral and vector types.
441 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
443 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
444 * init.c (build_vtbl_address): Remove call to assemble_external.
446 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
448 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
449 output for other floating point modes.
451 2009-04-14 Diego Novillo <dnovillo@google.com>
453 * diagnostic.c (diagnostic_report_diagnostic): Do not
454 warn about loaded plugins for DK_ERROR and DK_WARNING.
455 * c-decl.c (declspecs_add_type): Move call to
456 invoke_plugin_callbacks ...
457 * c-parser.c (c_parser_declspecs): ... here.
458 * plugin.c (dump_active_plugins): Tidy output.
460 2009-04-14 Diego Novillo <dnovillo@google.com>
461 Le-Chun Wu <lcwu@google.com>
463 * configure.ac: Add --enable-plugin support.
464 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
465 * Makefile.in (PLUGIN_H): Define.
466 Export ENABLE_PLUGIN and GMPINC to site.exp.
467 Add PLUGINLIBS to link command.
468 Add/modify dependencies for plugin.o and files including plugin.h.
470 * config.in: Regenerate.
472 * opts.c (common_handle_option): Handle OPT_fplugin_ and
475 2009-04-14 Le-Chun Wu <lcwu@google.com>
477 * tree-pass.h (register_one_dump_file): Add a prototype for
478 register_one_dump_file.
479 * toplev.c (compile_file): Call initialize_plugins.
480 (do_compile): Call invoke_plugin_callbacks.
481 (toplev_main): Call invoke_plugin_callbacks.
482 * common.opt: Add -fplugin= and -fplugin-arg-.
483 * gcc-plugin.h: New public header file for plugins to include.
484 * plugin.c: New source file.
485 * plugin.h: New internal header file.
486 * passes.c (register_one_dump_file): Make it external.
488 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
490 2009-04-14 Diego Novillo <dnovillo@google.com>
492 * doc/plugins.texi: New.
493 * doc/gccint.texi: Add reference to Plugins chapter.
494 * doc/invoke.texi: Document -fplugin and -fplugin-arg
495 * diagnostic.c (diagnostic_report_diagnostic): Warn about
496 loaded plugins, if any.
497 * timevar.def (TV_PLUGIN_INIT): Define.
498 (TV_PLUGIN_RUN): Define.
499 * plugin.c: Include timevar.h
500 (plugins_active_p): New.
501 (dump_active_plugins): New.
502 (debug_active_plugins): New.
504 2009-04-14 Joseph Myers <joseph@codesourcery.com>
506 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
508 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
510 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
512 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
513 the same as a minus without a shift.
515 2009-04-14 Nick Clifton <nickc@redhat.com>
517 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
518 comparisons with small integers will always produce a short
521 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
524 2008-12-19 Diego Novillo <dnovillo@google.com>
526 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
528 2000-04-14 Richard Guenther <rguenther@suse.de>
530 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
532 (verify_gimple_assign_binary): Likewise. Handle shifts and
534 (verify_gimple_phi): Print the mismatched argument position.
535 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
537 (vect_update_init_of_dr): Likewise.
538 * matrix-reorg.c (transform_access_sites): Do what the
540 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
542 2009-04-13 Michael Eager <eager@eagercon.com>
544 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
545 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
546 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
547 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
548 remove duplicate config
550 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
552 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
553 file_name:line_number type locator of the call site.
555 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
557 * genautomata.c: Put blank after comma.
558 (automaton_decls): New.
559 (struct unit_usage): Add comments to member next.
560 (store_alt_unit_usage): Keep the list ordered.
561 (unit_present_on_list_p, equal_alternatives_p): New.
562 (check_regexp_units_distribution): Check units distribution
563 correctness correctly.
564 (main): Don't write automata if error is found. Return correct
567 * config/m68k/cf.md (cfv4_ds): Remove.
568 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
569 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
571 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
572 power4-load-ext, power4-store, power4-store-update,
573 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
574 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
575 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
576 power4-sqrt, power4-isync): Modify reservation to make correct
577 unit distribution to automata.
579 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
580 power5-store-update, power5-two, power5-three, power5-lmul,
581 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
583 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
585 * except.c (pass_set_nothrow_function_flags): Set name and add
587 (set_nothrow_function_flags): Mention in the dump file when
588 changing a function to nothrow.
590 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
593 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
594 instead of unsigned long.
596 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
598 * config/arm/arm.c (return_used_this_function): Remove.
599 (arm_output_function_prologue): Remove use of
600 return_used_this_function.
601 (output_return_instruction): Replace use of
602 return_used_this_function
603 by cfun->machine->return_used_this_function.
604 (arm_output_epilogue): Likewise.
605 (arm_output_function_epilogue): Likewise.
606 (thumb_unexpanded_epilogue): Likewise.
607 * config/arm/arm.h (struct machine_function):
608 New member return_used_this_function.
610 2009-04-12 Mark Mitchell <mark@codesourcery.com>
612 * doc/install.texi: Correct description of default directory for
613 --with-gxx-include-dir.
615 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
617 * fold-const.c (build_range_check): Properly deal with enumeral and
620 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
622 * doc/invoke.texi (max_gcse_passes): Remove documentation.
623 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
624 * params.h (MAX_GCSE_PASSES): Remove.
625 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
626 in sequence. Remove ability to run multiple passes.
627 (bypass_jumps): Report run as third CPROP pass.
629 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
632 * except.c (can_throw_external): Look at each insn in a SEQUENCE
633 when deciding whether the whole SEQUENCE can throw.
635 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
638 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
639 offseted label references.
641 2009-04-11 Jan Hubicka <jh@suse.cz>
643 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
645 2009-04-11 Richard Guenther <rguenther@suse.de>
648 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
649 return variables as TREE_ADDRESSABLE.
651 2009-04-11 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/39713
654 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
655 reference trees have SSA_NAME operands.
657 2009-04-11 Richard Guenther <rguenther@suse.de>
660 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
663 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
665 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
666 match changes in Cygwin 1.7
667 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
668 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
670 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
672 PR tree-optimization/39701
673 * doc/invoke.texi (Optimization Options): Document change in
674 meaning and initialization of -fdelete-null-pointer-checks.
676 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
679 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
681 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
684 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
686 2009-04-10 Chao-ying Fu <fu@mips.com>
688 * doc/tm.texi (Instruction Output): Document
689 TARGET_ASM_FINAL_POSTSCAN_INSN.
690 * target.h (final_postscan_insn): New field in asm_out.
691 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
692 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
693 * final.c (final_scan_insn): Call
694 targetm.asm_out.final_postscan_insn after outputting
695 an asm macro and a normal instruction.
697 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
698 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
699 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
700 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
701 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
703 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
706 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
707 variables as non-NULL even with -fdelete-null-pointer-checks.
709 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
711 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
713 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
716 * config/i386/i386.c (classify_argument): Handle SCmode with
717 (bit_offset % 64) != 0.
719 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
721 * doc/invoke.texi (Optimize Options): Add cross-reference to
722 -Q --help=optimizers examples.
724 2009-04-10 Ben Elliston <bje@au.ibm.com>
727 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
728 regalign for the reg == fpr and TDmode case.
730 2009-04-09 David Ayers <ayers@fsfe.org>
733 * objc/objc-act.c (warn_with_method): Remove helper function.
734 (check_duplicates): Call warning and inform directly.
735 (really_start_method): Likewise.
737 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
739 * expmed.c (expand_divmod): Always use a comparison for a division
740 by a large unsigned integer.
742 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
743 for things others than variables or functions as nonzero.
745 2009-04-09 Nick Clifton <nickc@redhat.com>
747 * unwind-compat.c: Change copyright header to refer to version
748 3 of the GNU General Public License with version 3.1 of the
749 GCC Runtime Library Exception and to point readers at the
750 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
751 * config/alpha/crtfastmath.c: Likewise.
752 * config/alpha/linux-unwind.h: Likewise.
753 * config/alpha/qrnnd.asm: Likewise.
754 * config/alpha/vms-crt0-64.c: Likewise.
755 * config/alpha/vms-crt0.c: Likewise.
756 * config/alpha/vms-dwarf2.asm: Likewise.
757 * config/alpha/vms-dwarf2eh.asm: Likewise.
758 * config/alpha/vms-psxcrt0-64.c: Likewise.
759 * config/alpha/vms-psxcrt0.c: Likewise.
760 * config/alpha/vms_tramp.asm: Likewise.
761 * config/arc/initfini.c: Likewise.
762 * config/arc/lib1funcs.asm: Likewise.
763 * config/arm/bpabi-v6m.S: Likewise.
764 * config/arm/bpabi.S: Likewise.
765 * config/arm/bpabi.c: Likewise.
766 * config/arm/crti.asm: Likewise.
767 * config/arm/crtn.asm: Likewise.
768 * config/arm/ieee754-df.S: Likewise.
769 * config/arm/ieee754-sf.S: Likewise.
770 * config/arm/lib1funcs.asm: Likewise.
771 * config/arm/libunwind.S: Likewise.
772 * config/arm/linux-atomic.c: Likewise.
773 * config/arm/mmintrin.h: Likewise.
774 * config/arm/pr-support.c: Likewise.
775 * config/arm/unaligned-funcs.c: Likewise.
776 * config/arm/unwind-arm.c: Likewise.
777 * config/arm/unwind-arm.h: Likewise.
778 * config/avr/libgcc.S: Likewise.
779 * config/bfin/crti.s: Likewise.
780 * config/bfin/crtlibid.s: Likewise.
781 * config/bfin/crtn.s: Likewise.
782 * config/bfin/lib1funcs.asm: Likewise.
783 * config/bfin/linux-unwind.h: Likewise.
784 * config/cris/arit.c: Likewise.
785 * config/cris/cris_abi_symbol.c: Likewise.
786 * config/darwin-64.c: Likewise.
787 * config/darwin-crt2.c: Likewise.
788 * config/darwin-crt3.c: Likewise.
789 * config/darwin.h: Likewise.
790 * config/dbxelf.h: Likewise.
791 * config/dfp-bit.c: Likewise.
792 * config/dfp-bit.h: Likewise.
793 * config/elfos.h: Likewise.
794 * config/fixed-bit.c: Likewise.
795 * config/fixed-bit.h: Likewise.
796 * config/fp-bit.c: Likewise.
797 * config/fp-bit.h: Likewise.
798 * config/fr30/crti.asm: Likewise.
799 * config/fr30/crtn.asm: Likewise.
800 * config/fr30/lib1funcs.asm: Likewise.
801 * config/freebsd-spec.h: Likewise.
802 * config/frv/cmovd.c: Likewise.
803 * config/frv/cmovh.c: Likewise.
804 * config/frv/cmovw.c: Likewise.
805 * config/frv/frvbegin.c: Likewise.
806 * config/frv/frvend.c: Likewise.
807 * config/frv/lib1funcs.asm: Likewise.
808 * config/glibc-stdint.h: Likewise.
809 * config/h8300/clzhi2.c: Likewise.
810 * config/h8300/crti.asm: Likewise.
811 * config/h8300/crtn.asm: Likewise.
812 * config/h8300/ctzhi2.c: Likewise.
813 * config/h8300/fixunssfsi.c: Likewise.
814 * config/h8300/lib1funcs.asm: Likewise.
815 * config/h8300/parityhi2.c: Likewise.
816 * config/h8300/popcounthi2.c: Likewise.
817 * config/i386/ammintrin.h: Likewise.
818 * config/i386/att.h: Likewise.
819 * config/i386/avxintrin.h: Likewise.
820 * config/i386/biarch64.h: Likewise.
821 * config/i386/bmmintrin.h: Likewise.
822 * config/i386/cpuid.h: Likewise.
823 * config/i386/cross-stdarg.h: Likewise.
824 * config/i386/crtfastmath.c: Likewise.
825 * config/i386/crtprec.c: Likewise.
826 * config/i386/cygming-crtbegin.c: Likewise.
827 * config/i386/cygming-crtend.c: Likewise.
828 * config/i386/cygwin.asm: Likewise.
829 * config/i386/emmintrin.h: Likewise.
830 * config/i386/gmm_malloc.h: Likewise.
831 * config/i386/gthr-win32.c: Likewise.
832 * config/i386/i386.h: Likewise.
833 * config/i386/immintrin.h: Likewise.
834 * config/i386/linux-unwind.h: Likewise.
835 * config/i386/linux64.h: Likewise.
836 * config/i386/mm3dnow.h: Likewise.
837 * config/i386/mmintrin-common.h: Likewise.
838 * config/i386/mmintrin.h: Likewise.
839 * config/i386/nmmintrin.h: Likewise.
840 * config/i386/pmm_malloc.h: Likewise.
841 * config/i386/pmmintrin.h: Likewise.
842 * config/i386/smmintrin.h: Likewise.
843 * config/i386/sol2-c1.asm: Likewise.
844 * config/i386/sol2-ci.asm: Likewise.
845 * config/i386/sol2-cn.asm: Likewise.
846 * config/i386/sol2-gc1.asm: Likewise.
847 * config/i386/tmmintrin.h: Likewise.
848 * config/i386/unix.h: Likewise.
849 * config/i386/w32-unwind.h: Likewise.
850 * config/i386/wmmintrin.h: Likewise.
851 * config/i386/x86-64.h: Likewise.
852 * config/i386/x86intrin.h: Likewise.
853 * config/i386/xmmintrin.h: Likewise.
854 * config/ia64/crtbegin.asm: Likewise.
855 * config/ia64/crtend.asm: Likewise.
856 * config/ia64/crtfastmath.c: Likewise.
857 * config/ia64/crti.asm: Likewise.
858 * config/ia64/crtn.asm: Likewise.
859 * config/ia64/fde-glibc.c: Likewise.
860 * config/ia64/lib1funcs.asm: Likewise.
861 * config/ia64/linux-unwind.h: Likewise.
862 * config/ia64/quadlib.c: Likewise.
863 * config/ia64/unwind-ia64.c: Likewise.
864 * config/linux.h: Likewise.
865 * config/m32c/m32c-lib1.S: Likewise.
866 * config/m32c/m32c-lib2-trapv.c: Likewise.
867 * config/m32c/m32c-lib2.c: Likewise.
868 * config/m32r/initfini.c: Likewise.
869 * config/m68hc11/larith.asm: Likewise.
870 * config/m68hc11/m68hc11-crt0.S: Likewise.
871 * config/m68k/cf.md: Likewise.
872 * config/m68k/crti.s: Likewise.
873 * config/m68k/crtn.s: Likewise.
874 * config/m68k/lb1sf68.asm: Likewise.
875 * config/m68k/linux-unwind.h: Likewise.
876 * config/mcore/crti.asm: Likewise.
877 * config/mcore/crtn.asm: Likewise.
878 * config/mcore/lib1.asm: Likewise.
879 * config/mips/linux-unwind.h: Likewise.
880 * config/mips/loongson.h: Likewise.
881 * config/mips/mips16.S: Likewise.
882 * config/mmix/crti.asm: Likewise.
883 * config/mmix/crtn.asm: Likewise.
884 * config/pa/fptr.c: Likewise.
885 * config/pa/hpux-unwind.h: Likewise.
886 * config/pa/lib2funcs.asm: Likewise.
887 * config/pa/linux-atomic.c: Likewise.
888 * config/pa/linux-unwind.h: Likewise.
889 * config/pa/milli64.S: Likewise.
890 * config/pa/quadlib.c: Likewise.
891 * config/pa/stublib.c: Likewise.
892 * config/picochip/libgccExtras/adddi3.asm: Likewise.
893 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
894 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
895 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
896 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
897 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
898 * config/picochip/libgccExtras/divmod15.asm: Likewise.
899 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
900 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
901 * config/picochip/libgccExtras/longjmp.asm: Likewise.
902 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
903 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
904 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
905 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
906 * config/picochip/libgccExtras/setjmp.asm: Likewise.
907 * config/picochip/libgccExtras/subdi3.asm: Likewise.
908 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
909 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
910 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
911 * config/rs6000/750cl.h: Likewise.
912 * config/rs6000/altivec.h: Likewise.
913 * config/rs6000/biarch64.h: Likewise.
914 * config/rs6000/crtresfpr.asm: Likewise.
915 * config/rs6000/crtresgpr.asm: Likewise.
916 * config/rs6000/crtresxfpr.asm: Likewise.
917 * config/rs6000/crtresxgpr.asm: Likewise.
918 * config/rs6000/crtsavfpr.asm: Likewise.
919 * config/rs6000/crtsavgpr.asm: Likewise.
920 * config/rs6000/darwin-asm.h: Likewise.
921 * config/rs6000/darwin-fallback.c: Likewise.
922 * config/rs6000/darwin-fpsave.asm: Likewise.
923 * config/rs6000/darwin-ldouble.c: Likewise.
924 * config/rs6000/darwin-tramp.asm: Likewise.
925 * config/rs6000/darwin-unwind.h: Likewise.
926 * config/rs6000/darwin-vecsave.asm: Likewise.
927 * config/rs6000/darwin-world.asm: Likewise.
928 * config/rs6000/e500crtres32gpr.asm: Likewise.
929 * config/rs6000/e500crtres64gpr.asm: Likewise.
930 * config/rs6000/e500crtres64gprctr.asm: Likewise.
931 * config/rs6000/e500crtrest32gpr.asm: Likewise.
932 * config/rs6000/e500crtrest64gpr.asm: Likewise.
933 * config/rs6000/e500crtresx32gpr.asm: Likewise.
934 * config/rs6000/e500crtresx64gpr.asm: Likewise.
935 * config/rs6000/e500crtsav32gpr.asm: Likewise.
936 * config/rs6000/e500crtsav64gpr.asm: Likewise.
937 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
938 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
939 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
940 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
941 * config/rs6000/eabi-ci.asm: Likewise.
942 * config/rs6000/eabi-cn.asm: Likewise.
943 * config/rs6000/eabi.asm: Likewise.
944 * config/rs6000/linux-unwind.h: Likewise.
945 * config/rs6000/linux64.h: Likewise.
946 * config/rs6000/paired.h: Likewise.
947 * config/rs6000/paired.md: Likewise.
948 * config/rs6000/ppc64-fp.c: Likewise.
949 * config/rs6000/ppu_intrinsics.h: Likewise.
950 * config/rs6000/rs6000.h: Likewise.
951 * config/rs6000/si2vmx.h: Likewise.
952 * config/rs6000/sol-ci.asm: Likewise.
953 * config/rs6000/sol-cn.asm: Likewise.
954 * config/rs6000/spe.h: Likewise.
955 * config/rs6000/spu2vmx.h: Likewise.
956 * config/rs6000/sysv4.h: Likewise.
957 * config/rs6000/tramp.asm: Likewise.
958 * config/rs6000/vec_types.h: Likewise.
959 * config/s390/linux-unwind.h: Likewise.
960 * config/s390/tpf-unwind.h: Likewise.
961 * config/score/crti.asm: Likewise.
962 * config/score/crtn.asm: Likewise.
963 * config/sh/crt1.asm: Likewise.
964 * config/sh/crti.asm: Likewise.
965 * config/sh/crtn.asm: Likewise.
966 * config/sh/divtab-sh4-300.c: Likewise.
967 * config/sh/divtab-sh4.c: Likewise.
968 * config/sh/divtab.c: Likewise.
969 * config/sh/lib1funcs-4-300.asm: Likewise.
970 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
971 * config/sh/lib1funcs.asm: Likewise.
972 * config/sh/lib1funcs.h: Likewise.
973 * config/sh/linux-atomic.asm: Likewise.
974 * config/sh/linux-unwind.h: Likewise.
975 * config/sh/shmedia.h: Likewise.
976 * config/sh/sshmedia.h: Likewise.
977 * config/sh/ushmedia.h: Likewise.
978 * config/sparc/crtfastmath.c: Likewise.
979 * config/sparc/linux-unwind.h: Likewise.
980 * config/sparc/sol2-c1.asm: Likewise.
981 * config/sparc/sol2-ci.asm: Likewise.
982 * config/sparc/sol2-cn.asm: Likewise.
983 * config/spu/divmodti4.c: Likewise.
984 * config/spu/divv2df3.c: Likewise.
985 * config/spu/float_disf.c: Likewise.
986 * config/spu/float_unsdidf.c: Likewise.
987 * config/spu/float_unsdisf.c: Likewise.
988 * config/spu/float_unssidf.c: Likewise.
989 * config/spu/mfc_multi_tag_release.c: Likewise.
990 * config/spu/mfc_multi_tag_reserve.c: Likewise.
991 * config/spu/mfc_tag_release.c: Likewise.
992 * config/spu/mfc_tag_reserve.c: Likewise.
993 * config/spu/mfc_tag_table.c: Likewise.
994 * config/spu/multi3.c: Likewise.
995 * config/spu/spu_internals.h: Likewise.
996 * config/spu/spu_intrinsics.h: Likewise.
997 * config/spu/spu_mfcio.h: Likewise.
998 * config/spu/vec_types.h: Likewise.
999 * config/spu/vmx2spu.h: Likewise.
1000 * config/stormy16/stormy16-lib2.c: Likewise.
1001 * config/svr4.h: Likewise.
1002 * config/sync.c: Likewise.
1003 * config/v850/lib1funcs.asm: Likewise.
1004 * config/vxlib-tls.c: Likewise.
1005 * config/vxlib.c: Likewise.
1006 * config/vxworks-dummy.h: Likewise.
1007 * config/xtensa/crti.asm: Likewise.
1008 * config/xtensa/crtn.asm: Likewise.
1009 * config/xtensa/ieee754-df.S: Likewise.
1010 * config/xtensa/ieee754-sf.S: Likewise.
1011 * config/xtensa/lib1funcs.asm: Likewise.
1012 * config/xtensa/lib2funcs.S: Likewise.
1013 * config/xtensa/linux-unwind.h: Likewise.
1014 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1015 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1016 * coretypes.h: Likewise.
1017 * crtstuff.c: Likewise.
1018 * defaults.h: Likewise.
1019 * dwarf2.h: Likewise.
1020 * emutls.c: Likewise.
1021 * gbl-ctors.h: Likewise.
1022 * gcov-io.h: Likewise.
1023 * ginclude/float.h: Likewise.
1024 * ginclude/iso646.h: Likewise.
1025 * ginclude/stdarg.h: Likewise.
1026 * ginclude/stdbool.h: Likewise.
1027 * ginclude/stddef.h: Likewise.
1028 * ginclude/stdfix.h: Likewise.
1029 * ginclude/stdint-gcc.h: Likewise.
1030 * ginclude/tgmath.h: Likewise.
1031 * gthr-aix.h: Likewise.
1032 * gthr-dce.h: Likewise.
1033 * gthr-gnat.c: Likewise.
1034 * gthr-gnat.h: Likewise.
1035 * gthr-lynx.h: Likewise.
1036 * gthr-mipssde.h: Likewise.
1037 * gthr-nks.h: Likewise.
1038 * gthr-posix.c: Likewise.
1039 * gthr-posix.h: Likewise.
1040 * gthr-posix95.h: Likewise.
1041 * gthr-rtems.h: Likewise.
1042 * gthr-single.h: Likewise.
1043 * gthr-solaris.h: Likewise.
1044 * gthr-tpf.h: Likewise.
1045 * gthr-vxworks.h: Likewise.
1046 * gthr-win32.h: Likewise.
1048 * libgcc2.c: Likewise.
1049 * libgcc2.h: Likewise.
1050 * libgcov.c: Likewise.
1051 * tsystem.h: Likewise.
1052 * typeclass.h: Likewise.
1053 * unwind-c.c: Likewise.
1054 * unwind-compat.h: Likewise.
1055 * unwind-dw2-fde-compat.c: Likewise.
1056 * unwind-dw2-fde-darwin.c: Likewise.
1057 * unwind-dw2-fde-glibc.c: Likewise.
1058 * unwind-dw2-fde.c: Likewise.
1059 * unwind-dw2-fde.h: Likewise.
1060 * unwind-dw2.c: Likewise.
1061 * unwind-dw2.h: Likewise.
1062 * unwind-generic.h: Likewise.
1063 * unwind-pe.h: Likewise.
1064 * unwind-sjlj.c: Likewise.
1065 * unwind.inc: Likewise.
1066 * config/arm/neon-gen.ml: Change generated copyright header to
1067 refer to version 3 of the GNU General Public License with
1068 version 3.1 of the GCC Runtime Library Exception and to point
1069 readers at the COPYING3 and COPYING3.RUNTIME files and the
1070 FSF's license web page.
1071 * config/arm/arm_neon.h: Regenerate.
1073 2009-04-09 Jakub Jelinek <jakub@redhat.com>
1075 * config/cris/cris.md: Change copyright header to refer to version
1076 3 of the GNU General Public License.
1077 * doc/install.texi2html: Change copyright header to refer to version
1078 3 of the GNU General Public License and to point readers at the
1079 COPYING3 file and the FSF's license web page.
1080 * config/vax/linux.h: Likewise.
1082 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
1084 * config/i386/i386.md (cmpcc): New.
1085 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1086 (sync_compare_and_swap_cc*): Delete.
1088 * config/s390/s390.c (s390_compare_emitted): Remove.
1089 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1090 s390_compare_emitted used to be handled. Assert that modes match.
1091 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1092 refer to sync_compare_and_swap_ccsi.
1093 * config/s390/s390.h (s390_compare_emitted): Remove.
1094 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1095 instead of s390_compare_emitted.
1096 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1097 instead of s390_compare_emitted.
1098 * config/s390/s390.md (cmpcc): New.
1099 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1100 CC_REGNUM, do not pretend it's set.
1101 (sync_compare_and_swap_cc*): Delete.
1102 * config/s390/predicates.md (cc_reg_operand): New.
1104 * expr.c (sync_compare_and_swap_cc): Delete.
1105 * optabs.h (sync_compare_and_swap_cc): Delete.
1106 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1107 is being used with can_compare_p.
1108 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1110 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1111 look for a MODE_CC set instead. Use emit_store_flag.
1112 (expand_compare_and_swap_loop): Likewise, with some additional
1113 complication to avoid a force_reg when useless. Use
1114 emit_cmp_and_jump_insns.
1115 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1116 * doc/md.texi (sync_compare_and_swap_cc): Merge with
1117 sync_compare_and_swap documentation.
1119 2009-04-09 Jan Hubicka <jh@suse.cz>
1121 * except.c (find_prev_try): Break out from ....
1122 (duplicate_eh_regions): ... here; properly update prev_try pointers
1123 when duplication part of tree.
1124 (dump_eh_tree): Improve dumping.
1125 (verify_eh_region): New.
1126 (verify_eh_tree): Use it.
1128 2009-04-06 Richard Guenther <rguenther@suse.de>
1130 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1131 &ARRAY addresses by adjusting their types and prepending
1133 * tree-cfg.c (verify_gimple_assign_single): Verify that
1134 addresses are correct.
1136 2009-04-09 Richard Guenther <rguenther@suse.de>
1138 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1139 indices into an array reference if possible.
1140 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1141 Fold POINTER_PLUS_EXPR statements with invariant address.
1143 2009-04-09 Alan Modra <amodra@bigpond.net.au>
1146 * config.gcc (powerpc64-*-linux*): Always build biarch.
1148 2009-04-09 Joseph Myers <joseph@codesourcery.com>
1151 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1152 it and pedwarn if this results in an INTEGER_CST.
1154 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * doc/install.texi: Update minimum GMP version. Remove obsolete
1157 text in MPFR section.
1159 2009-04-08 Jakub Jelinek <jakub@redhat.com>
1161 * dwarf2out.c (class_scope_p): New static inline.
1162 (class_or_namespace_scope_p): Use it.
1163 (gen_variable_die): Use DW_TAG_member tag for static data member
1164 declarations instead of DW_TAG_variable.
1167 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1170 2009-04-08 Richard Guenther <rguenther@suse.de>
1172 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1173 valueize random data.
1175 2009-04-08 David Edelsohn <edelsohn@gnu.org>
1177 * config.gcc (aix tm_file): Add aix-stdint.h.
1178 (aix tm clause use_gcc_stdint): Set to wrap.
1179 * config/rs6000/aix-stdint.h: New file.
1181 2009-04-08 Richard Guenther <rguenther@suse.de>
1184 * tree-dfa.c (add_referenced_var): Do not recurse into
1185 global initializers.
1186 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1188 (fold_const_aggregate_ref): Likewise.
1190 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1192 * recog.c (ordered_comparison_operator): New.
1193 * gensupport.c (std_preds): Add it.
1194 * doc/md.texi (Machine-Independent Predicates): Document it.
1196 2009-04-08 Jan Hubicka <jh@suse.cz>
1198 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1199 * function.h (rtl_eh): Remove exception_handler_label_map.
1200 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1201 remove_exception_handler_label, for_each_eh_label_1): Remove.
1202 (rtl_remove_unreachable_regions): Remove.
1203 (convert_from_eh_region_ranges): Do not remove unreachable regions.
1204 (find_exception_handler_labels): Don't build the hashtable.
1205 (maybe_remove_eh_handler): Remove.
1206 (for_each_eh_label): Rewrite to walk the tree.
1207 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1208 * except.h (maybe_remove_eh_handler): Remove.
1209 * passes.c (init_optimization_passes): Schedule second EH cleanup
1211 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1212 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1214 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
1216 * genoutput.c (validate_optab_operands): New.
1217 (gen_insn, gen_expand): Call it.
1219 * genflags.c (gen_insn): Detect misused iterators.
1220 (main): Pass line_no to gen_insn, exit with status 1 on error.
1222 * genextract.c (line_no): Make global.
1223 (VEC_safe_set_locstr): Change assertion to error message.
1224 (main): Exit with status 1 on error.
1226 2009-04-08 Joseph Myers <joseph@codesourcery.com>
1230 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1231 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1232 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1233 * c-convert.c (convert): Do not call fold on results of conversion
1234 functions when the result is a C_MAYBE_CONST_EXPR.
1235 * c-parser.c (c_parser_postfix_expression): Do not fold condition
1236 of __builtin_choose_expr.
1237 * c-typeck.c (remove_c_maybe_const_expr): New.
1238 (build_unary_op, build_conditional_expr, build_compound_expr,
1239 build_binary_op, c_objc_common_truthvalue_conversion): Call
1240 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1243 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1245 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
1246 CODE to produce a new one. Add a prototype to use fold_convert_const
1248 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
1251 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1252 mix declarations and code.
1254 2009-04-08 Ben Elliston <bje@au.ibm.com>
1256 * gcc.c: Replace `CC' with `GCC' throughout.
1258 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
1260 * doc/invoke.texi: Document Atom support.
1262 2009-04-07 Jason Merrill <jason@redhat.com>
1265 * c-common.h, c-common.c: Add flag_pretty_templates.
1266 * c-opts.c (c_common_handle_option): Set it.
1267 * c.opt: Add -fno-pretty-templates.
1268 * doc/invoke.texi (C++ Dialect Options): Likewise.
1270 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
1272 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1273 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1274 (ia64_expand_builtin): Likewise.
1276 2009-04-07 Martin Jambor <mjambor@suse.cz>
1278 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1279 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1280 ADDR_EXPRS are include too.
1282 2009-04-07 Richard Guenther <rguenther@suse.de>
1284 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1285 decls are only used if passes as parameters or if they are
1286 local statics and the call is not to a builtin.
1287 (call_may_clobber_ref_p_1): Likewise.
1289 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1291 * expr.c (do_store_flag): Remove last argument. Simplify code
1292 to avoid duplication of tests already done by can_compare_p.
1293 (expand_expr_real_1): Adjust caller.
1295 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1297 * optabs.c (can_compare_p): Test the predicate of a
1298 cbranch and cstore pattern.
1300 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1302 * expr.c (convert_move): Use emit_store_flag instead of
1305 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
1307 * config/i386/i386.c (ix86_compare_emitted): Remove.
1308 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1309 ix86_compare_op0 like ix86_compare_emitted used to be handled.
1310 * config/i386/i386.h (ix86_compare_emitted): Remove.
1311 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1312 instead of ix86_compare_emitted.
1313 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1315 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
1317 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1318 Add t-sysroot-suffix to tmake_file.
1319 * config/print-sysroot-suffix.sh: New file.
1320 * config/t-sysroot-suffix: New file.
1322 2009-04-07 Ben Elliston <bje@au.ibm.com>
1324 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1325 as the latter produces a warning when the target does not support
1328 2009-04-07 Ben Elliston <bje@au.ibm.com>
1330 * dfp.c: Replace type punning assignments with memcpy throughout.
1331 * Makefile.in (dfp.o-warn): Remove.
1333 2009-04-07 Alan Modra <amodra@bigpond.net.au>
1336 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1337 Include soft-fp/t-softfp after rs6000/t-linux64.
1339 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
1341 * stor-layout.c (set_sizetype): Use the full precision of their
1342 machine mode for bitsize types.
1344 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
1346 * config/i386/i386.md: Revert 2 accidental checkins.
1348 2009-04-06 Joey Ye <joey.ye@intel.com>
1349 Xuepeng Guo <xuepeng.guo@intel.com>
1350 H.J. Lu <hongjiu.lu@intel.com>
1352 Atom pipeline model, tuning and insn selection.
1353 * config.gcc (atom): Add atom config options and target.
1355 * config/i386/atom.md: New.
1357 * config/i386/i386.c (atom_cost): New cost.
1358 (m_ATOM): New macro flag.
1359 (initial_ix86_tune_features): Set m_ATOM.
1360 (x86_accumulate_outgoing_args): Likewise.
1361 (x86_arch_always_fancy_math_387): Likewise.
1362 (processor_target): Add Atom cost.
1363 (cpu_names): Add Atom cpu name.
1364 (override_options): Set Atom ISA.
1365 (ix86_issue_rate): New case PROCESSOR_ATOM.
1366 (ix86_adjust_cost): Likewise.
1368 * config/i386/i386.h (TARGET_ATOM): New target macro.
1369 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1370 (TARGET_OPT_AGU): New target option.
1371 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1372 (processor_type): Add PROCESSOR_ATOM.
1374 * config/i386/i386.md (cpu): Add new value "atom".
1375 (use_carry, movu): New attr.
1376 (atom.md): Include atom.md.
1377 (adddi3_carry_rex64): Set attr "use_carry".
1378 (addqi3_carry): Likewise.
1379 (addhi3_carry): Likewise.
1380 (addsi3_carry): Likewise.
1381 (*addsi3_carry_zext): Likewise.
1382 (subdi3_carry_rex64): Likewise.
1383 (subqi3_carry): Likewise.
1384 (subhi3_carry): Likewise.
1385 (subsi3_carry): Likewise.
1386 (x86_movdicc_0_m1_rex64): Likewise.
1387 (*x86_movdicc_0_m1_se): Likewise.
1388 (x86_movsicc_0_m1): Likewise.
1389 (*x86_movsicc_0_m1_se): Likewise.
1390 (*adddi_1_rex64): Emit add insn as much as possible.
1391 (*addsi_1): Likewise.
1392 (return_internal): Set atom_unit.
1393 (return_internal_long): Likewise.
1394 (return_pop_internal): Likewise.
1395 (*rcpsf2_sse): Set atom_sse_attr attr.
1396 (*qrt<mode>2_sse): Likewise.
1397 (*prefetch_sse): Likewise.
1399 * config/i386/i386-c.c (ix86_target_macros_internal): New case
1401 (ix86_target_macros_internal): Likewise.
1403 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1404 (*prefetch_sse_rex): Likewise.
1405 (sse_rcpv4sf2): Likewise.
1406 (sse_vmrcpv4sf2): Likewise.
1407 (sse_sqrtv4sf2): Likewise.
1408 (<sse>_vmsqrt<mode>2): Likewise.
1409 (sse_ldmxcsr): Likewise.
1410 (sse_stmxcsr): Likewise.
1411 (*sse_sfence): Likewise.
1412 (sse2_clflush): Likewise.
1413 (*sse2_mfence): Likewise.
1414 (*sse2_lfence): Likewise.
1415 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1416 (<sse>_movup<ssemodesuffixf2c>): Likewise.
1417 (avx_movdqu<avxmodesuffix>): Likewise.
1418 (avx_lddqu<avxmodesuffix>): Likewise.
1419 (sse2_movntv2di): Change attr "type" to "ssemov".
1420 (sse2_movntsi): Likewise.
1421 (rsqrtv8sf2): Change attr "type" to "sseadd".
1422 (sse3_addsubv2df3): Set attr "atom_unit".
1423 (sse3_h<plusminus_insn>v4sf3): Likewise.
1424 (*sse2_pmaddwd): Likewise.
1425 (*vec_extractv2di_1_rex64): Likewise.
1426 (*vec_extractv2di_1_avx): Likewise.
1427 (sse2_psadbw): Likewise.
1428 (ssse3_phaddwv8hi3): Likewise.
1429 (ssse3_phaddwv4hi3): Likewise.
1430 (ssse3_phadddv4si3): Likewise.
1431 (ssse3_phadddv2si3): Likewise.
1432 (ssse3_phaddswv8hi3): Likewise.
1433 (ssse3_phaddswv4hi3): Likewise.
1434 (ssse3_phsubwv8hi3): Likewise.
1435 (ssse3_phsubwv4hi3): Likewise.
1436 (ssse3_phsubdv4si3): Likewise.
1437 (ssse3_phsubdv2si3): Likewise.
1438 (ssse3_phsubswv8hi3): Likewise.
1439 (ssse3_phsubswv4hi3): Likewise.
1440 (ssse3_pmaddubsw128): Likewise.
1441 (sse3_pmaddubsw: Likewise.
1442 (ssse3_palignrti): Likewise.
1443 (ssse3_palignrdi): Likewise.
1445 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1447 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1449 2009-04-06 Richard Guenther <rguenther@suse.de>
1451 PR tree-optimization/28868
1452 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1453 of which PHI results we inserted.
1454 (insert_into_preds_of_block): Record inserted PHIs.
1455 (eliminate): Eliminate redundant PHI nodes.
1456 (init_pre): Init inserted_phi_names.
1458 2009-04-06 Richard Guenther <rguenther@suse.de>
1460 PR tree-optimization/39643
1461 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1462 IMAGPART_EXPRs of complex constants.
1463 (execute_fold_all_builtins): If we folded a call queue
1464 TODO_update_address_taken.
1466 2009-04-06 Jan Hubicka <jh@suse.cz>
1469 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1472 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
1474 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1476 (ic_invalidate_array): Likewise.
1478 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1480 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1481 alignment for library calls.
1483 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1485 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1486 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1487 * config/i386/mingw-stdint.h: New file.
1489 2009-04-05 Richard Guenther <rguenther@suse.de>
1491 PR tree-optimization/39648
1492 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1493 our &A vs. &A[0] IL deficiencies.
1495 2009-04-04 Jan Hubicka <jh@suse.cz>
1497 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1498 removed toplevel regions.
1499 (sjlj_mark_call_sites): Likewise.
1501 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1503 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1504 (cygwin tm clause use_gcc_stdint): Set to wrap.
1505 * config/i386/cygwin-stdint.h: New file.
1507 2009-04-04 Richard Guenther <rguenther@suse.de>
1509 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1510 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1511 single-argument PHIs if we are in loop-closed SSA form.
1512 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1513 for the pre-condition.
1514 (slpeel_tree_peel_loop_to_edge): Likewise.
1515 (vect_build_loop_niters): Take an optional sequence to append stmts.
1516 (vect_generate_tmps_on_preheader): Likewise.
1517 (vect_do_peeling_for_loop_bound): Take extra guards for the
1519 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1520 the cost model check.
1521 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1522 guards if we are going to peel. Do not apply versioning in that case.
1523 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1524 (vect_do_peeling_for_loop_bound): Likewise.
1525 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1526 loop bound only record extra pre-conditions, do not apply loop
1529 2009-04-04 Richard Guenther <rguenther@suse.de>
1531 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1534 2009-04-04 Jan Hubicka <jh@suse.cz>
1536 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1537 last_basic_block for size of bb->index indexed array.
1538 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1539 compute_out, link_btr_uses, build_btr_def_use_webs,
1540 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1542 2009-04-04 Jan Hubicka <jh@suse.cz>
1544 * except.c (remove_eh_handler_and_replace): Break out from ...
1545 (remove_eh_handler): ... here.
1546 (bring_to_root): New function.
1547 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1548 handled ones, bring others to root of tree.
1550 2009-04-04 Jan Hubicka <jh@suse.cz>
1552 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1553 (all_phis_safe_to_merge): New function.
1554 (update_info): New structure.
1555 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1556 (cleanup_empty_eh): Update SSA if possible.
1558 2009-04-04 Richard Guenther <rguenther@suse.de>
1560 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1561 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1562 (append_vuse): Likewise.
1564 2009-04-04 Jakub Jelinek <jakub@redhat.com>
1566 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1567 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1568 instead of REG_UNSAVED for DW_CFA_undefined.
1569 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1570 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1573 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
1576 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1577 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1578 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1580 2009-04-04 Richard Guenther <rguenther@suse.de>
1582 PR tree-optimization/8781
1583 PR tree-optimization/37892
1584 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1585 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1586 (valueize_refs): Call it for *& valueizations.
1587 (shared_reference_ops_from_ref): Rename to ...
1588 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1589 (shared_reference_ops_from_call): Rename to ...
1590 (valueize_shared_reference_ops_from_call): ... this and valueize.
1591 (vn_reference_lookup): Update.
1592 (visit_reference_op_call): Likewise.
1593 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1594 (eliminate): Value-replace the call address in call statements.
1596 2009-04-04 Richard Guenther <rguenther@suse.de>
1598 PR tree-optimization/39636
1599 * tree-ssa-forwprop.c
1600 (forward_propagate_addr_into_variable_array_index): Check for
1601 GIMPLE_ASSIGN before accessing the rhs code.
1603 2009-04-03 Jason Merrill <jason@redhat.com>
1605 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1607 2009-04-03 Steve Ellcey <sje@cup.hp.com>
1609 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1610 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1611 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1612 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1613 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1614 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1615 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1616 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1617 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1618 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1619 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1620 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1621 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1622 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1623 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1624 Use fr_reg_or_fp01_operand instead of fr_register_operand
1626 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1627 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1628 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1630 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1632 PR rtl-optimization/39607
1633 PR rtl-optimization/39631
1637 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1638 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1639 instead of DF_LR_OUT.
1640 * ira-lives.c (process_bb_node_lives): Ditto.
1641 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1642 instead of DF_LR_{OUT,IN}.
1643 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1644 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1646 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1648 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1649 (execute_lower_omp): Always run but take the short way out if -fopenmp
1651 (gate_lower_omp): Remove, forcing the pass manager to always run the
1652 pass and always set PROP_gimple_lomp.
1653 (pass_lower_omp): Remove gate function.
1654 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1655 PROP_trees. Instead, require it.
1656 * ipa-cp.c (pass_ipa_cp): Likewise.
1657 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1658 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1659 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1660 and PROP_gimple_leh.
1662 2009-04-03 Richard Guenther <rguenther@suse.de>
1665 PR tree-optimization/23940
1666 PR tree-optimization/33237
1669 PR tree-optimization/36201
1670 PR tree-optimization/36230
1671 PR tree-optimization/38049
1672 PR tree-optimization/38207
1673 PR tree-optimization/38230
1674 PR tree-optimization/38301
1675 PR tree-optimization/38585
1677 PR tree-optimization/38985
1678 PR tree-optimization/39299
1679 * tree-ssa-structalias.h: Remove.
1680 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1681 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1682 (struct vuse_element_d): Remove.
1683 (struct vuse_vec_d): Likewise.
1684 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1685 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1686 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1687 VUSE_ELEMENT_VAR): Likewise.
1688 (struct voptype_d): Likewise.
1689 (NUM_VOP_FREE_BUCKETS): Likewise.
1690 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1691 (struct stmt_operands_d): Remove.
1692 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1693 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1694 VDEF_NUM, VDEF_VECT): Likewise.
1695 (copy_virtual_operands): Remove.
1696 (operand_build_cmp): Likewise.
1697 (create_ssa_artificial_load_stmt): Likewise.
1698 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1699 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1700 vuse_index and mayuse_index members. Pack and move done and iter_type
1701 members to the front.
1702 (SSA_OP_VMAYUSE): Remove.
1703 (SSA_OP_VIRTUAL_USES): Adjust.
1704 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1705 (unlink_stmt_vdef): Declare.
1706 (add_to_addressable_set): Remove.
1707 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1708 (vrp_visit_stmt): Likewise.
1709 * doc/tree-ssa.texi (Alias analysis): Update.
1710 * doc/invoke.texi (max-aliased-vops): Remove docs.
1711 (avg-aliased-vops): Likewise.
1712 * tree-into-ssa.c (syms_to_rename): Remove.
1713 (need_to_update_vops_p): Likewise.
1714 (need_to_initialize_update_ssa_p): Rename to ...
1715 (update_ssa_initialized_fn): ... this. Track function we are
1717 (symbol_marked_for_renaming): Simplify.
1718 (add_new_name_mapping): Do not set need_to_update_vops_p.
1719 (dump_currdefs): Use SYMS_TO_RENAME.
1720 (rewrite_update_stmt): Always walk all uses/defs.
1721 (dump_update_ssa): Adjust.
1722 (init_update_ssa): Take function argument. Track what we are
1724 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1725 (create_new_def_for): Initialize for cfun, assert we are initialized
1727 (mark_sym_for_renaming): Simplify.
1728 (mark_set_for_renaming): Do not initialize update-ssa.
1729 (need_ssa_update_p): Simplify. Take function argument.
1730 (name_mappings_registered_p): Assert we ask for the correct function.
1731 (name_registered_for_update_p): Likewise.
1732 (ssa_names_to_replace): Likewise.
1733 (release_ssa_name_after_update_ssa): Likewise.
1734 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1735 (dump_decl_set): Do not print a newline.
1736 (debug_decl_set): Do it here.
1737 (dump_update_ssa): And here.
1738 * tree-ssa-loop-im.c (move_computations): Adjust.
1739 (movement_possibility): Likewise.
1740 (determine_max_movement): Likewise.
1741 (gather_mem_refs_stmt): Likewise.
1742 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1744 * tree-complex.c (update_all_vops): Remove.
1745 (expand_complex_move): Adjust.
1746 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1747 Simplify test for memory referencing statement. Exclude
1748 non-invariant ADDR_EXPRs.
1749 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1750 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1751 (rdg_flag_uses): Likewise.
1752 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1754 (tree_optimize_tail_calls_1): Also split the
1755 edge from the entry block if we have degenerate PHI nodes in
1756 the first basic block.
1757 * tree.c (init_ttree): Remove memory-tag related code.
1758 (tree_code_size): Likewise.
1759 (tree_node_structure): Likewise.
1760 (build7_stat): Re-write to be build6_stat.
1761 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1762 (SSA_VAR_P): Adjust.
1763 (struct tree_memory_tag): Remove.
1764 (struct tree_memory_partition_tag): Likewise.
1765 (union tree_node): Adjust.
1766 (build7): Re-write to be build6.
1767 * tree-pass.h (pass_reset_cc_flags): Remove.
1768 (TODO_update_address_taken): New flag.
1769 (pass_simple_dse): Remove.
1770 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1771 * params.h (MAX_ALIASED_VOPS): Remove.
1772 (AVG_ALIASED_VOPS): Likewise.
1773 * omp-low.c (expand_omp_taskreg): Update SSA form.
1774 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1775 aliases the lhs in a copy stmt.
1776 * tree-ssa-dse.c (struct address_walk_data): Remove.
1777 (memory_ssa_name_same): Likewise.
1778 (memory_address_same): Likewise.
1779 (get_kill_of_stmt_lhs): Likewise.
1780 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1781 unused stores. Look through PHI nodes into post-dominated regions.
1782 (dse_optimize_stmt): Simplify. Properly remove stores.
1783 (tree_ssa_dse): Compute dominators.
1784 (execute_simple_dse): Remove.
1785 (pass_simple_dse): Likewise.
1786 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1787 gimple_loaded_syms and gimple_stored_syms computation.
1788 * toplev.c (dump_memory_report): Dump alias and pta stats.
1789 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1790 (vn_reference_eq): Likewise.
1791 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1792 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1793 valueize_vuses): Remove.
1794 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1795 (get_def_ref_stmt_vuse): ... this.
1796 (vn_reference_lookup_2): New function.
1797 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1798 walking equivalent vuses. Simplify.
1799 (vn_reference_lookup): Likewise.
1800 (vn_reference_insert): Likewise.
1801 (vn_reference_insert_pieces): Likewise.
1802 (visit_reference_op_call): Simplify.
1803 (visit_reference_op_load): Likewise.
1804 (visit_reference_op_store): Likewise.
1805 (init_scc_vn): Remove shared_lookup_vuses initialization.
1806 (free_scc_vn): Remove shared_lookup_vuses freeing.
1807 (sort_vuses, sort_vuses_heap): Remove.
1808 (get_ref_from_reference_ops): Export.
1809 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1810 vector with single vuse pointer.
1811 (vn_reference_lookup_pieces, vn_reference_lookup,
1812 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1813 (shared_vuses_from_stmt): Remove.
1814 (get_ref_from_reference_ops): Declare.
1815 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1816 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1817 memory-tag related code.
1818 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1819 (likely_value): Add comment, skip static-chain of call statements.
1820 (surely_varying_stmt_p): Adjust.
1821 (gimplify_and_update_call_from_tree): Likewise.
1822 (execute_fold_all_builtins): Do not rebuild alias info.
1823 (gimplify_and_update_call_from_tree): Properly update VOPs.
1824 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1825 (copy_ref_info): Remove memory-tag related code.
1826 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1827 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1828 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1830 * tree-ssa-dom.c (gimple_p): Remove typedef.
1831 (eliminate_redundant_computations): Adjust.
1832 (record_equivalences_from_stmt): Likewise.
1833 (avail_expr_hash): Likewise.
1834 (avail_expr_eq): Likewise.
1835 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1836 (stmt_makes_single_load): Likewise.
1837 (stmt_makes_single_store): Likewise.
1838 * tree-ssa-alias.c: Rewrite completely.
1839 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1840 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1841 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1842 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1843 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1844 Remove public functions.
1845 (pass_reset_cc_flags): Remove.
1846 (pass_build_alias): Move ...
1847 * tree-ssa-structalias.c (pass_build_alias): ... here.
1848 * tree-ssa-alias.c (may_be_aliased): Move ...
1849 * tree-flow-inline.h (may_be_aliased): ... here.
1850 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1851 count_uses_and_derefs): Move ...
1852 * gimple.c: ... here.
1853 * gimple.h (count_uses_and_derefs): Declare.
1854 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1855 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1856 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1857 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1858 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1859 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1860 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1862 * tree-dfa.c (refs_may_alias_p): Move ...
1863 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1864 * tree-ssa-alias.h: New file.
1865 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1866 (statement_sink_location): Likewise.
1867 * opts.c (decode_options): Do not adjust max-aliased-vops or
1868 avg-aliased-vops values.
1869 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1870 (TV_CALL_CLOBBER): Likewise.
1871 (TV_FLOW_SENSITIVE): Likewise.
1872 (TV_FLOW_INSENSITIVE): Likewise.
1873 (TV_MEMORY_PARTITIONING): Likewise.
1874 (TV_ALIAS_STMT_WALK): New timevar.
1875 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1876 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1877 (get_address_description): Remove memory-tag related code.
1878 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1879 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1880 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1881 and immediate uses in statements. Document.
1882 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1883 (dump_symbols): Remove.
1884 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1885 * alias.c (get_deref_alias_set): New function split out from ...
1886 (get_alias_set): ... here.
1887 * alias.h (get_deref_alias_set): Declare.
1888 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1889 type parameter. Remove restrict pointer handling. Create a
1890 ref-all pointer in case type-based alias sets do not conflict.
1891 (vect_analyze_data_refs): Remove SMT related code.
1892 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1893 (vectorizable_load): Likewise.
1894 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1895 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1896 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1897 Ignore vops and SMTs.
1898 (dr_analyze_alias): Likewise..
1899 (free_data_ref): Likewise.
1900 (create_data_ref): Likewise.
1901 (analyze_all_data_dependences): Likewise.
1902 (get_references_in_stmt): Adjust.
1903 * tree-flow-inline.h (gimple_aliases_computed_p,
1904 gimple_addressable_vars, gimple_call_clobbered_vars,
1905 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1906 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1907 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1908 gimple_mem_ref_stats): Remove.
1909 (gimple_vop): New function.
1910 (op_iter_next_use): Remove vuses and mayuses cases.
1911 (op_iter_next_def): Remove vdefs case.
1912 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1913 (clear_and_done_ssa_iter): Do not set removed fields.
1914 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1915 Assert we are not iterating over vuses or vdefs if not also
1916 iterating over uses or defs.
1917 (op_iter_init_use): Likewise.
1918 (op_iter_init_def): Likewise.
1919 (op_iter_next_vdef): Remove.
1920 (op_iter_next_mustdef): Likewise.
1921 (op_iter_init_vdef): Likewise.
1922 (compare_ssa_operands_equal): Likewise.
1923 (link_use_stmts_after): Handle vuse operand.
1924 (is_call_used): Use is_call_clobbered.
1925 (is_call_clobbered): Global variables are always call clobbered,
1926 query the call-clobbers bitmap.
1927 (mark_call_clobbered): Ignore global variables.
1928 (clear_call_clobbered): Likewise.
1929 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1930 virtual operands sanity check.
1931 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1933 (TARGET_MEM_REF): Remove TMR_TAG operand.
1934 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1935 Remove call-clobber related code.
1936 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1937 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1938 partitions or escape reason.
1939 (get_single_def_stmt, get_single_def_stmt_from_phi,
1940 get_single_def_stmt_with_phi): Remove.
1941 (dump_referenced_vars): Tidy.
1942 (get_ref_base_and_extent): Allow bare decls.
1943 (collect_dfa_stats): Adjust.
1944 * graphite.c (rename_variables_in_stmt): Adjust.
1945 (graphite_copy_stmts_from_block): Likewise.
1946 (translate_clast): Likewise.
1947 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1949 (translate_vuse_through_block): Use the oracle.
1950 (phi_translate_1): Adjust.
1951 (value_dies_in_block_x): Use the oracle. Cache the outcome
1953 (valid_in_sets): Check if the VUSE for
1954 a REFERENCE is available.
1955 (eliminate): Do not remove stmts during elimination,
1956 instead queue and remove them afterwards.
1957 (do_pre): Do not rebuild alias info.
1958 (pass_pre): Run TODO_rebuild_alias before PRE.
1959 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1960 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1961 (mark_all_v_defs_stmt): Remove.
1962 (mark_all_v_defs_seq): Adjust.
1963 (sra_replace): Likewise.
1964 (scalarize_use): Likewise.
1965 (scalarize_copy): Likewise.
1966 (scalarize_init): Likewise.
1967 (scalarize_ldst): Likewise.
1968 (todoflags): Remove.
1969 (tree_sra): Do not rebuild alias info.
1970 (tree_sra_early): Adjust.
1971 (pass_sra): Run TODO_update_address_taken before SRA.
1972 * tree-predcom.c (set_alias_info): Remove.
1973 (prepare_initializers_chain): Do not call it.
1974 (mark_virtual_ops_for_renaming): Adjust.
1975 (mark_virtual_ops_for_renaming_list): Remove.
1976 (initialize_root_vars): Adjust.
1977 (initialize_root_vars_lm): Likewise.
1978 (prepare_initializers_chain): Likewise.
1979 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1980 (may_propagate_copy_into_stmt): Likewise.
1981 (merge_alias_info): Do nothing for now.
1982 (propagate_tree_value_into_stmt): Adjust.
1983 (stmt_may_generate_copy): Likewise.
1984 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1985 not mark symbols for renaming.
1986 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1987 with the same statement, make sure to update the new pointed-to one.
1988 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1989 call statements, do not mark symbols for renaming.
1990 (mark_operand_necessary): Dump something.
1991 (ref_may_be_aliased): New function.
1992 (mark_aliased_reaching_defs_necessary_1): New helper function.
1993 (mark_aliased_reaching_defs_necessary): Likewise.
1994 (mark_all_reaching_defs_necessary_1): Likewise.
1995 (mark_all_reaching_defs_necessary): Likewise.
1996 (propagate_necessity): Do not process virtual PHIs. For
1997 non-aliased loads mark all reaching definitions as necessary.
1998 For aliased loads and stores mark the immediate dominating
1999 aliased clobbers as necessary.
2000 (visited): New global static.
2001 (perform_tree_ssa_dce): Free visited bitmap after propagating
2003 (remove_dead_phis): Perform simple dead virtual PHI removal.
2004 (remove_dead_stmt): Properly unlink virtual operands when
2006 (eliminate_unnecessary_stmts): Schedule PHI removal after
2008 * tree-ssa-ter.c (is_replaceable_p): Adjust.
2009 (process_replaceable): Likewise.
2010 (find_replaceable_in_bb): Likewise.
2011 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2012 based on the single gimple vop.
2013 (verify_flow_insensitive_alias_info): Remove.
2014 (verify_flow_sensitive_alias_info): Likewise.
2015 (verify_call_clobbering): Likewise.
2016 (verify_memory_partitions): Likewise.
2017 (verify_alias_info): Likewise.
2018 (verify_ssa): Adjust..
2019 (execute_update_addresses_taken): Export. Update SSA
2020 manually. Optimize only when optimizing. Use a local bitmap.
2021 (pass_update_address_taken): Remove TODO_update_ssa, add
2023 (pass_update_address_taken): Just use TODO_update_address_taken.
2024 (init_tree_ssa): Do not initialize addressable_vars.
2025 (verify_ssa): Verify new VUSE / VDEF properties.
2026 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2027 Do not call verify_alias_info.
2028 (delete_tree_ssa): Clear the VUSE, VDEF operands.
2029 Do not free the loaded and stored syms bitmaps. Reset the escaped
2030 and callused solutions. Do not free addressable_vars.
2031 Remove memory-tag related code.
2032 (warn_uninitialized_var): Aliases are always available.
2033 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2034 * lambda-code.c (can_put_in_inner_loop): Adjust.
2035 (can_put_after_inner_loop): Likewise.
2036 (perfect_nestify): Likewise.
2037 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2038 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2039 (vectorizable_conversion): Do not mark symbols for renaming.
2040 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2041 (expand_call_inline): Unlink the calls virtual operands before
2043 (tree_function_versioning): Do not call update_ssa if we are not
2044 updating clones. Simplify.
2045 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2046 (propagate_with_phi): Likewise..
2047 * tree-outof-ssa.c (create_temp): Remove memory tag and call
2048 clobber code. Assert we are not aliased or global.
2049 * tree-flow.h: Include tree-ssa-alias.h
2050 (enum escape_type): Remove.
2051 (struct mem_sym_stats_d): Likewise.
2052 (struct mem_ref_stats_d): Likewise.
2053 (struct gimple_df): Add vop member. Remove global_var,
2054 call_clobbered_vars, call_used_vars, addressable_vars,
2055 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
2056 escaped and callused members.
2057 (struct ptr_info_def): Remove all members, add points-to solution
2059 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2060 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2061 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2062 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2063 (tree-ssa-alias.o): Likewise.
2064 (toplev.o): Add tree-ssa-alias.h
2065 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2066 * gimple.c (gimple_set_bb): Fix off-by-one error.
2067 (is_gimple_reg): Do not handle memory tags.
2068 (gimple_copy): Also copy virtual operands.
2069 Delay updating the statement. Do not reset loaded and stored syms.
2070 (gimple_set_stored_syms): Remove.
2071 (gimple_set_loaded_syms): Likewise.
2072 (gimple_call_copy_skip_args): Copy the virtual operands
2073 and mark the new statement modified.
2074 * tree-ssa-structalias.c (may_alias_p): Remove.
2075 (set_uids_in_ptset): Take the alias set to prune with as
2076 parameter. Fold in the alias test of may_alias_p.
2077 (compute_points_to_sets): Compute whether a ptr is dereferenced
2079 (process_constraint): Deal with &ANYTHING on the lhs, reject all
2080 other ADDRESSOF constraints on the lhs.
2081 (get_constraint_for_component_ref): Assert that we don't get
2082 ADDRESSOF constraints from the base of the reference.
2083 Properly generate UNKNOWN_OFFSET for DEREF if needed.
2084 (struct variable_info): Remove collapsed_to member.
2085 (get_varinfo_fc): Remove.
2086 (new_var_info): Do not set collapsed_to.
2087 (dump_constraint): Do not follow cycles.
2088 (dump_constraint_graph): Likewise.
2089 (build_pred_graph): Likewise.
2090 (build_succ_graph): Likewise.
2091 (rewrite_constraints): Likewise.
2092 (do_simple_structure_copy): Remove.
2093 (do_rhs_deref_structure_copy): Remove.
2094 (do_lhs_deref_structure_copy): Remove.
2095 (collapse_rest_of_var): Remove.
2096 (do_structure_copy): Re-implement.
2097 (pta_stats): New global variable.
2098 (dump_pta_stats): New function.
2099 (struct constraint_expr): Make offset signed.
2100 (UNKNOWN_OFFSET): Define special value.
2101 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2102 (solution_set_expand): New helper function split out from ...
2103 (do_sd_constraint): ... here.
2104 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
2105 (do_ds_constraint): Likewise.
2106 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
2107 and CALLUSED = *CALLUSED.
2108 (set_union_with_increment): Make inc argument signed.
2109 (type_safe): Remove.
2110 (get_constraint_for_ptr_offset): Handle unknown and negative
2112 (first_vi_for_offset): Handle offsets before start. Bail
2113 out early for offsets beyond the variable extent.
2114 (first_or_preceding_vi_for_offset): New function.
2115 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2116 Together with ESCAPED = *ESCAPED this properly computes reachability.
2117 (find_what_var_points_to): New function.
2118 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2119 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2120 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2121 pt_solutions_intersect): New functions.
2122 (compute_call_used_vars): Remove.
2123 (compute_may_aliases): New main entry into PTA computation.
2124 * gimple.h (gimple_p): New typedef.
2125 (struct gimple_statement_base): Remove references_memory_p.
2126 (struct gimple_statement_with_memory_ops_base): Remove
2127 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
2129 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2130 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2131 gimple_set_references_memory): Remove.
2132 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2133 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2135 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2136 (verify_expr): Allow RESULT_DECL.
2137 (gimple_duplicate_bb): Do not copy virtual operands.
2138 (gimple_duplicate_sese_region): Adjust.
2139 (gimple_duplicate_sese_tail): Likewise.
2140 (mark_virtual_ops_in_region): Remove.
2141 (move_sese_region_to_fn): Do not call it.
2142 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2143 and pass_simple_dse.
2144 (execute_function_todo): Handle TODO_update_address_taken,
2145 call execute_update_addresses_taken for TODO_rebuild_alias.
2146 (execute_todo): Adjust.
2147 (execute_one_pass): Init dump files early.
2148 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2150 (create_general_new_stmt): Clear vops.
2151 * tree-ssa-reassoc.c (get_rank): Adjust.
2152 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2153 symbols for renaming.
2154 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2155 (PARAM_AVG_ALIASED_VOPS): Likewise.
2156 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2157 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2158 * tree-ssa-operands.c: Simplify for new virtual operand representation.
2159 (operand_build_cmp, copy_virtual_operands,
2160 create_ssa_artificial_load_stmt, add_to_addressable_set,
2161 gimple_add_to_addresses_taken): Remove public functions.
2162 (unlink_stmt_vdef): New function.
2164 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2166 * config.gcc (powerpc-*-linux*): Merge variants.
2168 2009-04-02 Chao-ying Fu <fu@mips.com>
2169 James Grosbach <james.grosbach@microchip.com>
2171 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2172 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2174 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2175 keep_interrupts_masked_p, use_debug_exception_return_p.
2176 (mips_attribute_table): Add interrupt, use_shadow_register_set,
2177 keep_interrupts_masked, use_debug_exception_return.
2178 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2179 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2181 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2182 (mips_print_operand): Process COP0 registers to print $0 .. $31
2183 correctly for GAS to process.
2184 (mips_interrupt_extra_call_saved_reg_p): New function.
2185 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2187 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2188 (mips_compute_frame_info): Add supports for interrupt context that
2189 includes doubleword accumulators and COP0 registers.
2190 (mips_for_each_saved_acc): New function.
2191 (mips_for_each_saved_gpr_and_fpr): Change the function name from
2192 mips_for_each_saved_reg.
2193 (mips_save_reg): Save accumulators.
2194 (mips_kernel_reg_p): A new for_each_rtx callback.
2195 (mips_expand_prologue): Support interrupt handlers.
2196 (mips_restore_reg): Restore accumulators.
2197 (mips_expand_epilogue): Support interrupt handlers.
2198 (mips_can_use_return_insn): Return false for interrupt handlers.
2199 (mips_epilogue_uses): New function.
2200 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2201 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2202 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2203 cop0_move): New instructions.
2204 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2205 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2207 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2209 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2210 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2211 interrupt handlers, we use K0 as the temporary register.
2212 (EPILOGUE_USES): Change to a function call.
2213 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2214 handlers, we use K0 as the temporary register.
2216 * doc/extend.texi (Function Attributes): Document interrupt,
2217 use_shadow_register_set, keep_interrupts_masked,
2218 use_debug_exception_return for MIPS attributes.
2220 2009-04-03 Alan Modra <amodra@bigpond.net.au>
2222 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2223 Remove a number of t-files from tmake_file.
2224 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2225 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2226 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2227 target_prototype, not TARGET_PROTOTYPE.
2228 (LINK_OS_GNU_SPEC): Define.
2229 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2230 and darwin-ldoubdle.c.
2232 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
2235 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2236 (cpp_options): Ditto.
2237 (default_compilers): Ditto.
2238 (display_help): Ditto.
2239 (process_command): Ditto.
2241 (set_input): Use lbasename instead of duplicate code.
2242 (save_temps_prefix): New static for -save-temps=obj.
2243 (save_temps_length): Ditto.
2245 * doc/invoke.texi (-save-temps=obj): Document new variant to
2248 2009-04-02 Jeff Law <law@redhat.com>
2250 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2253 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2255 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2256 * configure: Regenerated.
2258 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2260 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2261 share the argument list.
2263 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2267 2009-02-12 Diego Novillo <dnovillo@google.com>
2269 * varpool.c (debug_varpool): New.
2270 * cgraph.h (debug_varpool): Declare.
2272 2009-04-02 Jan Hubicka <jh@suse.cz>
2274 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2277 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
2279 * config/i386/i386.c (ix86_abi): Move initialization to ...
2280 (override_options): Here.
2282 2009-04-02 Christian Bruel <christian.bruel@st.com>
2284 * config/sh/sh.c (sh_dwarf_register_span): New function.
2285 (TARGET_DWARF_REGISTER_SPAN): Define.
2286 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2288 2009-04-02 Ira Rosen <irar@il.ibm.com>
2290 PR tree-optimization/39595
2291 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2292 interleaved loads group is not greater than the SLP group size.
2294 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
2296 * builtins.c (is_builtin_name): New.
2297 (called_as_built_in): Use is_builtin_name.
2298 * tree.h (is_builtin_name): New.
2299 * varasm.c (incorporeal_function_p): Use is_builtin_name
2301 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
2303 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2305 2009-04-02 Dodji Seketeli <dodji@redhat.com>
2308 * c-decl.c (clone_underlying_type): Move this ...
2309 * c-common.c (set_underlying_type): ... here.
2310 Also, make sure the function properly sets TYPE_STUB_DECL() on
2311 the newly created typedef variant type.
2312 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2313 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2316 2009-04-02 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/37221
2319 * tree-flow.h (degenerate_phi_result): Declare.
2320 * tree-ssa-dom.c (degenerate_phi_result): Export.
2321 * tree-scalar-evolution.c (analyze_initial_condition): If
2322 the initial condition is defined by a degenerate PHI node
2323 use the degenerate value.
2325 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
2327 PR rtl-optimization/39588
2328 * combine.c (merge_outer_ops): Do not set the constant when this
2330 (simplify_shift_const_1): Do not modify it either in this case.
2332 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
2334 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2335 tuning is deprecated if -mtune value is set to an Itanium1 variant.
2337 2009-04-01 Janis Johnson <janis187@us.ibm.com>
2340 * c-lex.c (interpret_float): Default (no suffix) is double.
2342 2009-04-1 Xinliang David Li <davidxl@google.com>
2344 * config/i386/i386.c (legitimate_constant_p): Recognize
2345 all one vector constant.
2347 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2349 * gcc/config/vax/vax.c: Add #includes to silence warnings.
2350 Change #include order to silence two warnings.
2352 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2354 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2355 (ASM_SPEC): Pass -k to the assembler for PIC code.
2357 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2359 * gcc/config.gcc: Add vax-*-linux* to the switch.
2360 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2361 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2363 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2365 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2366 Use predicate macros instead of GET_CODE() == foo.
2367 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2368 ashlsi3, rotrsi3, <unnamed>): Likewise.
2370 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2372 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2373 jbbccihi, jbbccisi): Remova trailing whitespace.
2374 * gcc/config/vax/constraints.md: Likewise.
2375 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2376 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2377 * gcc/config/vax/predicates.md: Likewise.
2378 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2379 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2380 * gcc/config/vax/vax.h: Likewise.
2381 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2383 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2385 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2386 (indirectable_address_p, adjacent_operands_p): Add spaces around
2388 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2390 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2392 * gcc/config/vax/vax.c (legitimate_constant_address_p,
2393 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2394 index_term_p, reg_plus_index_p, legitimate_address_p,
2395 vax_mode_dependent_address_p): Update comments to match functions
2396 modified by the recent int->bool conversion.
2398 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2400 * gcc/config/vax/builtins.md: Update copyright message.
2401 * gcc/config/vax/constraints.md: Likewise.
2402 * gcc/config/vax/netbsd-elf.h: Likewise.
2403 * gcc/config/vax/predicates.md: Likewise.
2404 * gcc/config/vax/vax-protos.h: Likewise.
2405 * gcc/config/vax/vax.c: Likewise.
2406 * gcc/config/vax/vax.h: Likewise.
2407 * gcc/config/vax/vax.md: Likewise.
2408 * gcc/config/vax/vax.opt: Likewise.
2410 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2412 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2413 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2414 * gcc/config/vax/constraints.md (B, R): Likewise.
2415 * gcc/config/vax/predicates.md (external_memory_operand,
2416 nonimmediate_addsub_di_operand): Likewise.
2417 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2418 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2419 untyped_call): Likewise.
2421 2009-04-01 Matt Thomas <matt@3am-software.com>
2423 * config/vax/predicates.md: New file.
2424 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2425 external_const_operand, nonsymbolic_operand, external_memory_operand,
2426 indirect_memory_operand, indexed_memory_operand,
2427 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2428 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2430 * config/vax/constraints.md: New file.
2431 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2433 * config/vax/builtins.md: New file.
2434 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2435 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2437 * config/vax/vax.opt (mqmath): Add option.
2438 * config/vax/vax.md (isfx): Extend with DI.
2439 (VAXintQH, VAXintQHSD): Define.
2440 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2441 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2442 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2443 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2444 (movdi): Update constraints and use vax_output_int_move().
2445 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2446 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2447 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2448 nonlocal_goto): New.
2449 (mov<mode>): Extend accepted operand types.
2450 (subdi3_old): Rename from subdi3, change update constraints and use
2451 a new implementation.
2452 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2453 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2454 MOVE_RATIO, CLEAR_RATIO): Define.
2455 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2456 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2457 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2458 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2459 (split_quadword_operands): Make static and really allow variable
2461 (print_operand_address): Update for PIC generation.
2462 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2463 indexable_address_p, fixup_mathdi_operand,
2464 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2465 (vax_float_literal, legitimate_constant_p,
2466 indirectable_constant_address_p, index_term_p,
2467 reg_plus_index_p): Return bool instead of int.
2468 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2470 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2472 (vax_output_conditional_branch): Indent.
2473 (legitimate_constant_address_p, indirectable_constant_address_p,
2474 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2475 vax_mode_dependent_address_p): Return bool instead of int, update for
2477 * config/vax/vax-protos.h (legitimate_constant_address_p,
2478 legitimate_constant_p, legitimate_address_p,
2479 vax_mode_dependent_address_p): Change declaration to bool.
2480 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2481 vax_expand_addsub_di_operands, vax_output_int_subtract,
2482 vax_output_movmemsi): Declare.
2483 (split_quadword_operands, vax_float_literal): Delete declaration.
2484 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2485 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2486 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2487 ASM_OUTPUT_DWARF_PCREL): Define.
2488 (ASM_SPEC): Change definition to allow PIC generation.
2490 2009-04-01 Steve Ellcey <sje@cup.hp.com>
2492 * doc/sourcebuild.texi: Update front-end requirements.
2494 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2497 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2498 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2499 (booldi3_internal3): Use boolean_or_operator instead of
2502 2009-04-01 Joseph Myers <joseph@codesourcery.com>
2505 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2506 declarator whose size is not an integer constant expression but
2507 folds to an integer constant, then treat it as a constant
2510 2009-04-01 Richard Guenther <rguenther@suse.de>
2512 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2513 i * 4 + 2 to (i * 2 + 1) * 2.
2515 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2518 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2519 return if c_parser_asm_string_literal returned NULL.
2521 2009-04-01 Nick Clifton <nickc@redhat.com>
2523 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2525 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2526 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2527 other typedefs to avoid conflicts with libgcc2.c. Define labels
2528 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2530 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2531 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2534 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
2536 * varasm.c (default_function_rodata_section): Declare DOT as
2539 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
2540 Andrey Galkin <agalkin@hypercom.com>
2543 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2544 Make object_name unique for each process.
2546 2009-04-01 Jakub Jelinek <jakub@redhat.com>
2549 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2550 addressable variables in the parallel that could go out of scope while
2551 running queued tasks.
2553 2009-04-01 Anatoly Sokolov <aesok@post.ru>
2555 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2556 (CASE_VALUES_THRESHOLD): Redefine.
2557 * config/avr/avr.c (avr_override_options): Remove initialization of
2558 avr_case_values_threshold variable.
2559 (avr_case_values_threshold): Remove variable. Add new function.
2560 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2561 * config/avr/avr.opt (mno-tablejump): Remove option.
2562 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2564 2009-04-01 DJ Delorie <dj@redhat.com>
2566 * varasm.c (default_function_rodata_section): Don't assume
2567 anything about where the first '.' in the section name is.
2569 2009-04-01 Alan Modra <amodra@bigpond.net.au>
2571 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2572 rs6000_emit_stack_tie.
2574 2009-03-31 Ian Lance Taylor <iant@google.com>
2576 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2577 gimple_code with GIMPLE_RESX, not RESX.
2579 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2581 * c-common.c (c_get_ident): New.
2582 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2584 2009-04-01 Ben Elliston <bje@au.ibm.com>
2586 * config/rs6000/sysv4.opt (msdata): Improve option description.
2588 2009-03-31 Steve Ellcey <sje@cup.hp.com>
2590 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2591 (divdf3_internal_lat): Remove.
2592 (divxf3_internal_lat): Remove.
2593 (divxf3_internal_thr): Remove.
2594 (divxf): Use divxf3_internal.
2595 * config/ia64/div.md (divsf3_internal_lat): New.
2596 (divdf3_internal_lat): New.
2597 (divxf3_internal): New.
2599 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2602 * Makefile.in (USE_GCC_STDINT): Define.
2603 (stmp-int-hdrs): Install stdint.h if applicable.
2604 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2606 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2607 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2608 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2609 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2610 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2611 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2612 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2613 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2614 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2615 (c_common_nodes_and_builtins): Initialize
2616 underlying_wchar_type_node. Do not initialize
2617 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2618 nodes for new types.
2619 (c_stddef_cpp_builtins): Define macros for new types.
2620 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2622 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2623 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2624 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2625 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2626 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2627 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2628 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2629 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2630 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2631 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2632 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2633 int16_type_node, int32_type_node, int64_type_node,
2634 uint8_type_node, uint16_type_node, c_uint32_type_node,
2635 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2636 int_least32_type_node, int_least64_type_node,
2637 uint_least8_type_node, uint_least16_type_node,
2638 uint_least32_type_node, uint_least64_type_node,
2639 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2640 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2641 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2642 uintptr_type_node): Define.
2643 * c-cppbuiltin.c (builtin_define_constants,
2644 builtin_define_type_minmax): New.
2645 (builtin_define_stdint_macros): Define more macros.
2646 (c_cpp_builtins): Define more limit macros.
2648 (builtin_define_type_max): Define in terms of
2649 builtin_define_type_minmax. Remove is_long parameter. All
2651 * config.gcc (use_gcc_stdint): Define.
2652 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2653 Add newlib-stdint.h for generic targets.
2654 * config/glibc-stdint.h, config/newlib-stdint.h,
2655 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2656 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2657 * config/score/score.h (UINTPTR_TYPE): Define.
2658 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2659 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2660 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2661 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2662 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2663 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2664 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2665 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2666 * config/spu/spu.h (STDINT_LONG32): Define.
2667 * configure.ac (use_gcc_stdint): Substitute.
2668 * configure: Regenerate.
2669 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2670 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2671 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2672 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2673 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2674 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2675 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2676 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2677 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2678 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2679 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2680 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2681 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2682 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2683 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2684 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2685 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2686 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2687 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2688 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2689 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2690 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2691 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2692 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2693 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2694 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2695 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2696 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2697 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2699 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2701 * loop-iv.c (suitable_set_for_replacement): Renamed from
2702 simplify_using_assignment; changed to return bool and to accept new
2703 args DEST and SRC. Return true iff we find a source/destination pair
2704 that can be used to make a replacement, and fill SRC and DEST if so.
2705 Remove arg ALTERED. Don't deal with altered regs here. All callers
2707 (simplify_using_initial_values): Deal with altered regs here and track
2708 more precisely the effect they have on the validity of our expression.
2710 * loop-iv.c (simplify_using_condition): A condition of the form
2711 (EQ REG CONST) can be used to simply make a substitution.
2712 (simplify_using_initial_values): Keep track of conditions we have seen
2713 and keep using them to simplify new expressions, while applying the
2714 same substitutions to them as to the expression.
2716 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2717 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2720 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2721 changed. Use this when trying to improve the upper bound.
2722 Generate the comparison by using simplify_gen_relational.
2724 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2726 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2728 (simplify_using_assignment, simplify_using_initial_values): Call
2729 replace_in_expr to make replacements. Call replace_single_def_regs
2730 once on the initial version of the expression.
2732 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2735 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2737 2009-03-31 Richard Guenther <rguenther@suse.de>
2740 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2741 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2743 2009-03-31 Richard Guenther <rguenther@suse.de>
2745 * tree.h (div_if_zero_remainder): Declare.
2746 * fold-const.c (div_if_zero_remainder): Export.
2747 * tree-ssa-forwprop.c
2748 (forward_propagate_addr_into_variable_array_index): Handle
2749 constant array index addition outside of the variable index.
2751 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2754 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2755 define_splits, floatunssi<mode>2): Require x87 conversions from
2756 DImode to be permitted.
2758 2009-03-31 Joseph Myers <joseph@codesourcery.com>
2760 PR preprocessor/15638
2761 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2763 2009-03-31 Richard Guenther <rguenther@suse.de>
2767 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2768 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2769 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2770 a separate statement.
2771 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2772 (lookup_tmp_var): Likewise.
2773 (is_gimple_formal_tmp_or_call_rhs): Remove.
2774 (is_gimple_reg_or_call_rhs): Rename to ...
2775 (is_gimple_reg_rhs_or_call): ... this.
2776 (is_gimple_mem_or_call_rhs): Rename to ...
2777 (is_gimple_mem_rhs_or_call): ... this.
2778 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2779 DECL_GIMPLE_REG_P only if is_formal is true.
2780 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2781 for non-proper post-modify expression gimplification.
2782 (gimplify_self_mod_expr): For post-modify expressions gimplify
2783 the lvalue to a minimal lvalue.
2784 (rhs_predicate_for): Remove formal temp case.
2785 (gimplify_modify_expr_rhs): Likewise.
2786 (gimplify_addr_expr): Use is_gimple_reg.
2787 (gimplify_expr): Remove formal temp cases.
2788 (gimple_regimplify_operands): Likewise.
2789 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2790 and FILTER_EXPR like constants.
2791 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2793 (is_gimple_formal_tmp_rhs): Remove.
2794 (is_gimple_reg_rhs): Remove special casing.
2795 (is_gimple_mem_rhs): Fix.
2796 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2797 (is_gimple_formal_tmp_var): Remove.
2798 (is_gimple_formal_tmp_reg): Likewise.
2799 (is_gimple_min_lval): Allow invariant component ref parts.
2800 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2801 is_gimple_formal_tmp_reg): Remove declarations.
2802 * tree-cfg.c (verify_expr): Verify that variables with address
2803 taken do not have DECL_GIMPLE_REG_P set.
2804 * tree-mudflap.c (mf_build_check_statement_for): Use
2805 force_gimple_operand instead of gimplify_expr.
2807 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
2809 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2810 schedulable rows to compute_split_row.
2812 2009-03-31 Ben Elliston <bje@au.ibm.com>
2815 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2818 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2820 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2821 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2822 * configure: Regenerate.
2823 * config.in: Regenerate.
2824 * config/rs6000/rs6000.opt (mtls-markers): Add.
2825 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2826 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2827 (tls_ld_aix, tls_ld_sysv): Likewise.
2828 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2829 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2831 2009-03-31 Alan Modra <amodra@bigpond.net.au>
2833 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2835 2009-03-30 Jan Hubicka <jh@suse.cz>
2837 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2839 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2840 detection and label handling.
2842 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2844 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2845 left_conflicts_size.
2846 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2847 ALLOCNO_LEFT_CONFLICTS_SIZE.
2849 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2850 remove_allocno_from_bucket_and_push,
2851 allocno_spill_priority_compare, push_allocnos_to_stack,
2852 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2853 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2854 (setup_allocno_left_conflicts_num): Ditto. Rename to
2855 setup_allocno_left_conflicts_size.
2856 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2857 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2858 setup_allocno_left_conflicts_size instead of
2859 setup_allocno_left_conflicts_num.
2861 * ira-build.c (ira_create_allocno): Use
2862 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2863 ALLOCNO_LEFT_CONFLICTS_NUM.
2865 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2867 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2868 instead of DF_LR_OUT.
2870 * ira-lives.c (process_bb_node_lives): Ditto.
2872 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2873 instead of DF_LR_{OUT,IN}.
2875 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2877 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2879 2009-03-30 Jan Hubicka <jh@suse.cz>
2881 * except.c (label_to_region_map): Fix thinko.
2883 2009-03-30 Steve Ellcey <sje@cup.hp.com>
2886 * tree.h (tree_find_value): New declaration.
2887 * tree.c (tree_find_value): New function.
2888 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2890 2009-03-30 Jakub Jelinek <jakub@redhat.com>
2893 * c-decl.c (struct c_binding): Add locus field.
2894 (bind): Add locus argument, set locus field from it.
2895 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2896 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2897 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2898 implicitly_declare, undeclared_variable, lookup_label,
2899 declare_label, c_make_fname_decl, c_builtin_function,
2900 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2903 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2906 * config/i386/i386.c (classify_argument): Check total size of
2909 2009-03-30 Martin Jambor <mjambor@suse.cz>
2911 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2912 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2913 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2916 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2917 seen_variable_array_ref while also traversing a union.
2919 * tree-inline.c (optimize_inline_calls): Do not call
2920 cgraph_node_remove_callees.
2921 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2922 (pass_remove_cgraph_callee_edges): New variable.
2923 * passes.c (init_optimization_passes): Add
2924 pass_remove_cgraph_callee_edges after early inlining and before all
2925 late intraprocedural passes.
2927 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2929 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2931 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2934 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2936 * combine.c (simplify_comparison): Use have_insn_for.
2937 * dojump.c (do_jump): Likewise.
2939 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2941 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2942 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2943 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2944 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2945 instead of sparc_compare_emitted.
2946 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2947 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2948 instead of sparc_compare_emitted.
2950 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2952 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2953 enter/exit cfglayout mode.
2954 (pass_partition_block): Require it.
2955 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2956 (combine_instructions): Track basic blocks instead of labels.
2957 (update_cfg_for_uncondjump): New.
2958 (try_combine): Use it. Update jumps after rescanning.
2959 (pass_combine): Require PROP_cfglayout.
2960 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2962 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2964 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2965 Provide/destroy PROP_cfglayout respectively.
2966 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2967 * tree-pass.h (PROP_cfglayout): New.
2969 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2971 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2972 fold_convert_const_fixed_from_fixed,
2973 fold_convert_const_fixed_from_int,
2974 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2975 set TREE_CONSTANT_OVERFLOW.
2976 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2977 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2979 2009-03-30 Ira Rosen <irar@il.ibm.com>
2981 * tree-vect-loop-manip.c: New file.
2982 * tree-vectorizer.c: Update documentation and included files.
2983 (vect_loop_location): Make extern.
2984 (rename_use_op): Move to tree-vect-loop-manip.c
2985 (rename_variables_in_bb, rename_variables_in_loop,
2986 slpeel_update_phis_for_duplicate_loop,
2987 slpeel_update_phi_nodes_for_guard1,
2988 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2989 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2990 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2991 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2992 find_loop_location): Likewise.
2993 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2994 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2995 get_vectype_for_scalar_type, vect_is_simple_use,
2996 supportable_widening_operation, supportable_narrowing_operation):
2998 (bb_in_loop_p): Move to tree-vect-loop.c.
2999 (new_loop_vec_info, destroy_loop_vec_info,
3000 reduction_code_for_scalar_code, report_vect_op,
3001 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3002 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3003 (vect_supportable_dr_alignment): Likewise.
3004 * tree-vectorizer.h (tree-data-ref.h): Include.
3005 (vect_loop_location): Declare.
3006 Reorganize function declarations according to the new file structure.
3007 * tree-vect-loop.c: New file.
3008 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3009 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3010 * tree-vect-data-refs.c: New file.
3011 * tree-vect-patterns.c (timevar.h): Don't include.
3012 * tree-vect-stmts.c: New file.
3013 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3014 tree-vect-slp.c, tree-vect-loop.c.
3015 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3016 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3017 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3018 (tree-vect-analyze.o): Remove.
3019 (tree-vect-transform.o): Likewise.
3020 (tree-vect-data-refs.o): Add rule.
3021 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3022 tree-vect-slp.o): Likewise.
3023 (tree-vect-patterns.o): Remove redundant dependencies.
3024 (tree-vectorizer.o): Likewise.
3025 * tree-vect-slp.c: New file.
3027 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3029 * optc-gen.awk: Warn if an option flag has multiple different
3032 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
3034 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3035 -floop-block): Document dependences on PPL, CLooG and Graphite.
3037 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3039 PR rtl-optimization/323
3040 * c-common.c (c_fully_fold, convert_and_check,
3041 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3042 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3043 * c-common.def (EXCESS_PRECISION_EXPR): New.
3044 * c-cppbuiltin.c (builtin_define_float_constants): Define
3045 constants with enough digits for long double.
3046 * c-lex.c (interpret_float): Interpret constant with excess
3047 precision where appropriate.
3048 * c-opts.c (c_common_post_options): Set
3049 flag_excess_precision_cmdline. Give an error for
3050 -fexcess-precision=standard for C++ for processors where the
3051 option is significant.
3052 * c-parser.c (c_parser_conditional_expression): Handle excess
3053 precision in condition.
3054 * c-typeck.c (convert_arguments): Handle arguments with excess
3056 (build_unary_op): Move excess precision outside operation.
3057 (build_conditional_expr): Likewise.
3058 (build_compound_expr): Likewise.
3059 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3060 (build_modify_expr): Handle excess precision in RHS.
3061 (convert_for_assignment): Handle excess precision in converted
3063 (digest_init, output_init_element, process_init_element): Handle
3064 excess precision in initializer.
3065 (c_finish_return): Handle excess precision in return value.
3066 (build_binary_op): Handle excess precision in operands and add
3067 excess precision as needed for operation.
3068 * common.opt (-fexcess-precision=): New option.
3069 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3070 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3071 For standard excess precision, output explicit conversion to and
3072 truncation from XFmode.
3073 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3074 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3075 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3076 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3077 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3078 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3079 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3080 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3081 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3082 define_splits, sqrt<mode>2): Disable where appropriate for
3083 standard excess precision.
3084 * convert.c (convert_to_real): Do not shorten arithmetic to type
3085 for which excess precision would be used.
3086 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3087 * doc/invoke.texi (-fexcess-precision=): Document option.
3088 (-mfpmath=): Correct index entry.
3089 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3090 flag_excess_precision): New.
3091 * langhooks.c (lhd_post_options): Set
3092 flag_excess_precision_cmdline.
3093 * opts.c (common_handle_option): Handle -fexcess-precision=.
3094 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3095 init_excess_precision): New.
3096 (lang_dependent_init_target): Call init_excess_precision.
3097 * tree.c (excess_precision_type): New.
3098 * tree.h (excess_precision_type): Declare.
3100 2009-03-30 Joseph Myers <joseph@codesourcery.com>
3103 * c-typeck.c (build_component_ref): Do not copy qualifiers from
3104 non-lvalue to component.
3106 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3108 PR preprocessor/34695
3109 * Makefile.in (c-opts.o): Depend on c-tree.h.
3110 * c-common.c: Move down include of diagnostic.h.
3111 (done_lexing, c_cpp_error): New.
3112 * c-common.h (done_lexing): Declare.
3113 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3115 * c-opts.c: Include c-tree.h.
3116 (c_common_init_options): Set preprocessor error callback.
3117 (c_common_handle_option): Do not set preprocessor
3118 inhibit_warnings, warnings_are_errors, warn_system_headers,
3119 pedantic_errors or inhibit_warnings flags.
3120 (c_common_post_options): Do not check cpp_errors (parse_in).
3121 (c_common_finish): Do not output dependencies if there were
3122 errors. Do not check return value of cpp_finish.
3123 * c-ppoutput.c (pp_file_change): Set input_location.
3124 * c-tree.h (c_cpp_error): Declare.
3125 * diagnostic.c (diagnostic_set_info_translated): Also initialize
3127 (diagnostic_build_prefix): Check override_column.
3128 * diagnostic.h (diagnostic_info): Add override_column field.
3129 (diagnostic_override_column): Define.
3131 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
3133 * c-common.c (c_expand_expr, c_staticp): Remove.
3134 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3135 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3136 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3137 * c-gimplify.c (gimplify_compound_literal_expr,
3138 optimize_compound_literals_in_ctor): Remove.
3139 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3140 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3141 * c-semantics.c (emit_local_var): Remove.
3143 * langhooks-def.h (lhd_expand_expr): Remove.
3144 * langhooks.c (lhd_expand_expr): Remove.
3145 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3147 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3148 handling from c-semantics.c; don't call into langhook.
3149 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3150 * gimplify.c (gimplify_compound_literal_expr,
3151 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3152 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3153 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3154 as was done in c-gimplify.c.
3155 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3156 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3157 Move from c-common.h.
3158 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3160 * tree.c (staticp): Do not call langhook.
3161 * langhooks.c (lhd_staticp): Delete.
3162 * langhooks-def.h (lhd_staticp): Delete prototype.
3163 (LANG_HOOKS_STATICP): Delete.
3164 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3166 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3167 instead of DECL_STMTs.
3169 2009-03-29 Joseph Myers <joseph@codesourcery.com>
3177 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3179 (fold_call_expr): Return a NOP_EXPR from folding rather than the
3180 contained expression.
3181 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3182 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
3183 conditional expressions for C.
3184 (decl_constant_value_for_optimization): Move from
3185 decl_constant_value_for_broken_optimization in c-typeck.c. Check
3186 whether optimizing and that the expression is a VAR_DECL not of
3187 array type instead of doing such checks in the caller. Do not
3188 check pedantic. Call gcc_unreachable for C++.
3189 * c-common.def (C_MAYBE_CONST_EXPR): New.
3190 * c-common.h (c_fully_fold, c_save_expr,
3191 decl_constant_value_for_optimization): New prototypes.
3192 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3193 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3194 EXPR_INT_CONST_OPERANDS): Define.
3195 * c-convert.c (convert): Strip nops from expression.
3196 * c-decl.c (groktypename): Take extra parameters expr and
3197 expr_const_operands. Update call to grokdeclarator.
3198 (start_decl): Update call to grokdeclarator. Add statement for
3199 expressions used in type of decl.
3200 (grokparm): Update call to grokdeclarator.
3201 (push_parm_decl): Update call to grokdeclarator.
3202 (build_compound_literal): Add parameter non_const and build a
3203 C_MAYBE_COSNT_EXPR if applicable.
3204 (grokdeclarator): Take extra parameters expr and
3205 expr_const_operands. Track expressions used in declaration
3206 specifiers and declarators. Fold array sizes and track whether
3207 they are constant expressions and whether they are integer
3208 constant expressions.
3209 (parser_xref_tag): Set expr and expr_const_operands fields in
3211 (grokfield): Update call to grokdeclarator.
3212 (start_function): Update call to grokdeclarator.
3213 (build_null_declspecs): Set expr and expr_const_operands fields in
3215 (declspecs_add_type): Handle expressions in typeof specifiers.
3216 * c-parser.c (c_parser_declspecs): Set expr and
3217 expr_const_operands fields for declaration specifiers.
3218 (c_parser_enum_specifier): Likewise.
3219 (c_parser_struct_or_union_specifier): Likewise.
3220 (c_parser_typeof_specifier): Likewise. Update call to
3221 groktypename. Fold expression as needed. Return expressions with
3222 type instead of adding statements.
3223 (c_parser_attributes): Update calls to c_parser_expr_list.
3224 (c_parser_statement_after_labels): Fold expression before passing
3225 to objc_build_throw_stmt.
3226 (c_parser_condition): Fold expression.
3227 (c_parser_asm_operands): Fold expression.
3228 (c_parser_conditional_expression): Use c_save_expr. Update call
3229 to build_conditional_expr.
3230 (c_parser_alignof_expression): Update call to groktypename.
3231 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3232 original_code. Fold expression argument of va_arg. Create
3233 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3234 argument to va_arg. Update calls to groktypename. Fold array
3235 index for offsetof. Verify that first argument to
3236 __builtin_choose_expr has integer type.
3237 (c_parser_postfix_expression_after_paren_type): Update calls to
3238 groktypename and build_compound_literal. Handle expressions with
3239 side effects in type name.
3240 (c_parser_postfix_expression_after_primary): Update call to
3241 c_parser_expr_list. Set original_code for calls to
3242 __builtin_constant_p.
3243 (c_parser_expr_list): Take extra parameter fold_p. Fold
3244 expressions if requested.
3245 (c_parser_objc_type_name): Update call to groktypename.
3246 (c_parser_objc_synchronized_statement): Fold expression.
3247 (c_parser_objc_receiver): Fold expression.
3248 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3249 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3250 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3251 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3252 (struct c_typespec): Add elements expr and expr_const_operands.
3253 (struct c_declspecs): Add elements expr and expr_const_operands.
3254 (groktypename, build_conditional_expr, build_compound_literal):
3256 (in_late_binary_op): Declare.
3257 * c-typeck.c (note_integer_operands): New function.
3258 (in_late_binary_op): New variable.
3259 (decl_constant_value_for_broken_optimization): Move to c-common.c
3260 and rename to decl_constant_value_for_optimization.
3261 (default_function_array_conversion): Do not strip nops.
3262 (default_conversion): Do not call
3263 decl_constant_value_for_broken_optimization.
3264 (build_array_ref): Do not fold result.
3265 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
3266 result when operand is a VLA.
3267 (c_expr_sizeof_type): Update call to groktypename. Handle
3268 expressions included in type name. Use C_MAYBE_CONST_EXPR for
3269 result when operand names a VLA type.
3270 (build_function_call): Update call to build_compound_literal.
3271 Only fold result for calls to __builtin_* functions. Strip
3272 NOP_EXPR from INTEGER_CST returned from such functions. Fold
3273 the function designator.
3274 (convert_arguments): Fold arguments. Update call to
3275 convert_for_assignment.
3276 (build_unary_op): Handle increment and decrement of
3277 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
3278 decrement earlier. Fold operand of increment and decrement.
3279 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
3280 built for integer operand. Wrap returns that are INTEGER_CSTs
3281 without being integer constant expressions or that have integer
3282 constant operands without being INTEGER_CSTs.
3283 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3284 (build_conditional_expr): Add operand ifexp_bcp. Track whether
3285 result is an integer constant expression or can be used in
3286 unevaluated parts of one and avoid folding and wrap as
3287 appropriate. Fold operands before possibly doing -Wsign-compare
3289 (build_compound_expr): Wrap result for C99 if operands can be used
3290 in integer constant expressions.
3291 (build_c_cast): Update call to digest_init. Do not ignore
3292 overflow from casting floating-point constants to integers. Wrap
3293 results that could be confused with integer constant expressions,
3294 null pointer constants or floating-point constants.
3295 (c_cast_expr): Update call to groktypename. Handle expressions
3296 included in type name.
3297 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
3298 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
3299 Update calls to convert_for_assignment.
3300 (convert_for_assignment): Take new parameter
3301 null_pointer_constant. Do not strip nops or call
3302 decl_constant_value_for_broken_optimization. Set
3303 in_late_binary_op for conversions to boolean.
3304 (store_init_value): Update call to digest_init.
3305 (digest_init): Take new parameter null_pointer_constant. Do not
3306 call decl_constant_value_for_broken_optimization. pedwarn for
3307 initializers not constant expressions. Update calls to
3308 convert_for_assignment.
3309 (constructor_nonconst): New.
3310 (struct constructor_stack): Add nonconst element.
3311 (really_start_incremental_init, push_init_level, pop_init_level):
3312 Handle constructor_nonconst and nonconst element.
3313 (set_init_index): Call constant_expression_warning for array
3315 (output_init_element): Fold value. Set constructor_nonconst as
3316 applicable. pedwarn for initializers not constant expressions.
3317 Update call to digest_init. Call constant_expression_warning
3318 where constant initializers are required.
3319 (process_init_element): Use c_save_expr.
3320 (c_finish_goto_ptr): Fold expression.
3321 (c_finish_return): Fold return value. Update call to
3322 convert_for_assignment.
3323 (c_start_case): Fold switch expression.
3324 (c_process_expr_stmt): Fold expression.
3325 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3326 ensure statement expression is not evaluated in constant expression.
3327 (build_binary_op): Track whether results are integer constant
3328 expressions or may occur in such, disable folding and wrap results
3329 as applicable. Fold operands for -Wsign-compare warnings unless
3331 (c_objc_common_truthvalue_conversion): Handle results folded to
3332 integer constants that are not integer constant expressions.
3333 * doc/extend.texi: Document when typeof operands are evaluated,
3334 that condition of __builtin_choose_expr is an integer constant
3335 expression, and more about use of __builtin_constant_p in
3338 2009-03-29 Richard Guenther <rguenther@suse.de>
3340 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3341 propagate addresses of array references.
3343 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
3345 * regmove.c (perhaps_ends_bb_p): Remove.
3346 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
3347 from INSN and check that the main loop stays within that basic block.
3348 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3349 (regmove_forward_pass): Split out from regmove_optimize. Use
3350 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3351 (regmove_backward_pass): Split out from regmove_optimize. Use
3352 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3353 (regmove_optimize): Simplify.
3355 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3358 * config/i386/i386.c (classify_argument): Ignore flexible array
3359 member in struct and warn ABI change.
3361 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
3363 * config/i386/i386-protos.h (ix86_agi_dependent): New.
3365 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3366 (ix86_adjust_cost): Updated.
3368 2009-03-29 Jan Hubicka <jh@suse.cz>
3371 * tree-pass.h (pass_cleanup_eh): New function.
3372 (remove_unreachable_regions): Break code handling RTL
3373 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3374 that can not be reached by runtime.
3375 (can_be_reached_by_runtime): New function.
3376 (label_to_region_map): New function.
3377 (num_eh_regions): New function.
3378 (rtl_remove_unreachable_regions): New function.
3379 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3380 (remove_eh_region): New function.
3381 * except.h: Include sbitmap and vecprim.
3382 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3383 num_eh_regions): Declare.
3384 * passes.c (init_optimization_passes): Schedule cleanup_eh.
3385 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3386 * tree-eh.c (tree_remove_unreachable_handlers): New function.
3387 (tree_empty_eh_handler_p): New function.
3388 (cleanup_empty_eh): New function.
3389 (cleanup_eh): New function.
3390 (pass_cleanup_eh): New function.
3392 2009-03-29 Jan Hubicka <jh@suse.cz>
3394 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3395 for removed regions.
3397 2009-03-29 Jan Hubicka <jh@suse.cz>
3399 * except.c (dump_eh_tree): Dump all datastructures.
3401 2009-03-29 Jan Hubicka <jh@suse.cz>
3403 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3404 (duplicate_eh_regions_1): Likewise.
3405 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3406 vector; call EH verification.
3407 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3408 Be ready for region being removed.
3410 2009-03-29 Jan Hubicka <jh@suse.cz>
3412 * bitmap.c (bitmap_last_set_bit): New function.
3413 * bitmap.h (bitmap_last_set_bit): Declare.
3415 2009-03-29 David Ayers <ayers@fsfe.org>
3418 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3419 by calling objc_compare_types and surpress warnings about
3420 incompatible C pointers that are compatible ObjC pointers.
3422 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3424 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3425 call initialize_inline_failed.
3426 (initialize_inline_failed): Move it from here ...
3427 * cgraph.c (initialize_inline_failed): ... to here.
3428 (cgraph_create_edge): Call initialize_inline_failed rather than
3429 setting inline_failed directly.
3431 2009-03-29 Ben Elliston <bje@au.ibm.com>
3434 * sysv4.opt (msdata): Improve comment.
3435 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3436 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3438 2009-03-29 Ben Elliston <bje@au.ibm.com>
3441 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3442 load and store attributes.
3444 2009-03-29 Ben Elliston <bje@au.ibm.com>
3446 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3447 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3448 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3449 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3450 __builtin_infq and __builtin_huge_valq.
3452 2009-03-28 Anatoly Sokolov <aesok@post.ru>
3454 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3456 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3457 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3459 2009-03-28 Xinliang David Li <davidxl@google.com>
3461 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3462 (do_dbg_cnt): New function.
3464 2009-03-28 Jan Hubicka <jh@suse.cz>
3466 Merge from pretty-ipa:
3468 2009-03-27 Jan Hubicka <jh@suse.cz>
3470 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3471 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3472 * passes.c (function_called_by_processed_nodes_p): New.
3473 * ipa-pure-const.c (check_call): Fix handling of operands.
3474 (analyze_function): Dump debug output for skipped bodies.
3475 (local_pure_const): Use function_called_by_processed_nodes_p.
3476 * dwarf2out.c (reference_to_unused): Use output.
3477 * passes.c (do_per_function_toporder): Likewise.
3479 2008-11-12 Jan Hubicka <jh@suse.cz>
3481 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3482 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3483 state_set_in_source enum
3484 (check_decl): Ignore memory tags; do not set fake looping flags;
3486 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3487 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3488 (check_call, analyze_function): Rewrite.
3490 (add_new_function): Update call of analyze_function.
3491 (generate_summary): Add call of analyze_function.
3492 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3493 (local_pure_const): New function.
3494 (pass_local_pure_const): New pass.
3495 * ipa-inline.c (inline_transform): Set after_inlining.
3496 * tree-eh.c (stmt_can_throw_external): New.
3497 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3498 work with aliasing built.
3499 * tree-flow.h (stmt_can_throw_external): New.
3500 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3501 and local pure/const pass in early and late optimization queue.
3503 2009-03-28 Martin Jambor <mjambor@suse.cz>
3505 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3507 (fold_binary): Allow function decl aligment consideration is the
3508 second argument is integer constant one.
3509 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3510 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3511 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3513 2009-03-28 Jan Hubicka <jh@suse.cz>
3515 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3516 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3517 * function.h (rtl_data): Add nothrow flag.
3518 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3519 set DECL_NOTHROW for AVAILABLE functions.
3521 2009-03-28 Jakub Jelinek <jakub@redhat.com>
3523 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3524 following vector keyword has expansion starting with pixel or bool
3525 keyword, expand vector to __vector and pixel or bool to __pixel or
3529 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3530 warn_if_disallowed_function_p): Removed.
3531 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3532 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3533 warning_if_disallowed_function_p.
3534 * flags.h (warn_if_disallowed_function_p,
3535 warn_disallowed_functions): Removed.
3536 * common.opt (Wdisallowed-function-list=): Removed.
3537 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3539 2009-03-28 Richard Guenther <rguenther@suse.de>
3541 PR tree-optimization/38723
3542 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3545 2009-03-28 Jan Hubicka <jh@suse.cz>
3547 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3548 test introduced by my previous patch.
3550 2009-03-28 Richard Guenther <rguenther@suse.de>
3552 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3553 the PHIs value undefined.
3555 2009-03-28 Jan Hubicka <jh@suse.cz>
3557 * tree-pass.h (pass_fixup_cfg): New pass.
3558 * ipa-inline.c (inline_transform): Set
3559 always_inline_functions_inlined/after_inlining.
3560 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3561 (pass_fixup_cfg): New pass.
3562 * passes.c (init_optimization_passes): Add fixup_cfg.
3564 2009-03-28 Richard Guenther <rguenther@suse.de>
3566 PR tree-optimization/38458
3567 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3568 argument use the arguments copy-of value.
3570 2009-03-28 Richard Guenther <rguenther@suse.de>
3572 PR tree-optimization/38180
3573 * tree-ssa-ccp.c (get_default_value): Simplify.
3574 (likely_value): Likewise.
3575 (surely_varying_stmt_p): Properly handle VOP case.
3576 (ccp_initialize): Likewise.
3577 (ccp_fold): Handle propagating through *&.
3578 (fold_const_aggregate_ref): Also handle decls.
3580 2009-03-28 Jan Hubicka <jh@suse.cz>
3582 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3583 * cgraph.h (cgraph_node): Likewise.
3584 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3585 (cgraph_reset_node): Use process flag.
3586 (cgraph_mark_functions_to_output): Likewise.
3587 (cgraph_expand_function): Likewise.
3588 (cgraph_expand_all_functions): Likewise.
3589 (cgraph_output_in_order): Likewise.
3590 * dwarf2out.c (reference_to_unused): Likewise.
3591 * passes.c do_per_function_toporder): Likewise.
3593 2009-03-28 Jan Hubicka <jh@suse.cz>
3595 Bring from lto-branch:
3597 2008-09-03 Doug Kwan <dougkwan@google.com>
3599 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3600 enums instead of reason strings.
3601 * cgraph.c (cgraph_create_edge): Same.
3602 (cgraph_inline_failed_string): New function.
3603 * cgraph.h (cgraph_inline_failed_t): New enum type.
3604 (cgraph_inline_failed_string): New prototype.
3605 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3606 char pointer to cgraph_inline_failed_t.
3607 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3608 (cgraph_default_inline_p): Ditto.
3609 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3610 to cgraph_inline_failed_t pointer.
3611 * cif-code.def: New file.
3612 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3614 (cgraph_check_inline_limits): Change type of REASON to pointer to
3615 cgraph_inline_failed_t. Replace reason strings with enums.
3616 (cgraph_default_inline_p): Ditto.
3617 (cgraph_recursive_inlining_p): Ditto.
3618 (update_caller_keys): Change type of FAILED_REASON to
3619 cgraph_inline_failed_t.
3620 (cgraph_set_inline_failed): Change type of REASON to pointer to
3621 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3622 convert enums to strings for text output.
3623 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3624 to be of type cgraph_inline_failed_t. Replace reason strings with
3625 enums. Call cgraph_inline_failed_string to covert enums
3626 to strings for text output.
3627 (cgraph_decide_inlining): Replace reason strings with enums.
3628 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3629 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3631 * tree-inline.c (expand_call_inline): Change type of REASON
3632 to cgraph_inline_failed_t. Replace reason strings with enums.
3633 Call cgraph_inline_failed_string for text output.
3634 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3637 2009-03-28 Jan Hubicka <jh@suse.cz>
3639 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3640 cgraph_clone_node): Remove master clone handling.
3641 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3642 * cgraph.h (master_clone): Remove.
3643 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3644 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3645 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3647 2009-03-28 Jan Hubicka <jh@suse.cz>
3649 * cgraph.c (cgraph_function_body_availability): Functions declared
3650 inline are always safe to assume that it is not going to be replaced.
3652 2009-03-28 Richard Guenther <rguenther@suse.de>
3654 PR tree-optimization/38513
3655 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3656 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3657 EXC_PTR_EXPR and FILTER_EXPR.
3658 (get_ref_from_reference_ops): Likewise.
3660 2009-03-28 Richard Guenther <rguenther@suse.de>
3662 PR tree-optimization/38968
3663 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3664 Use FLOOR_MOD_EXPR to compute misalignment.
3666 2009-03-28 Richard Guenther <rguenther@suse.de>
3668 PR tree-optimization/37795
3669 * tree.h (combine_comparisons): Declare.
3670 * fold-const.c (combine_comparisons): Export.
3671 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3673 (ifcombine_iforif): Use combine_comparisons.
3675 2009-03-28 Jan Hubicka <jh@suse.cz>
3677 * tree-eh.c (inlinable_call_p): New function.
3678 (make_eh_edges): Use it.
3679 (verify_eh_edges): Use it.
3680 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3681 * except.c (reachable_next_level): Add inlinable_function argument
3682 (sjlj_find_directly_reachable_regions): Update.
3683 (add_reachable_handler): Do not set saw_any_handlers.
3684 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3685 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3686 Add new inlinable call parameter.
3687 (can_throw_internal, can_throw_external): Update.
3688 * except.h (can_throw_internal_1, can_throw_external_1,
3689 foreach_reachable_handler): Update declaration.
3691 2009-03-28 Joseph Myers <joseph@codesourcery.com>
3693 * config/arm/t-arm-coff, config/h8300/coff.h,
3694 config/i386/i386-aout.h, config/i386/i386-coff.h,
3695 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3696 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3697 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3698 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3699 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3700 sys-types.h: Remove.
3701 * Makefile.in: Remove protoize and fixproto support and references
3703 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3704 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3706 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3707 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3708 unprotoize$(exeext).
3709 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3710 (.PHONY): Don't depend on proto.
3711 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3712 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3713 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3714 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3715 build/gen-protos.o, build/scan.o, xsys-protos.h,
3716 build/fix-header$(build_exeext), build/fix-header.o,
3717 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3718 stmp-install-fixproto): Remove.
3719 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3720 SYSCALLS.c or fixproto files.
3721 (install-common): Don't install protoize.
3722 (install-headers-tar, install-headers-cpio, install-headers-cp):
3723 Don't depend on $(STMP_FIXPROTO).
3724 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3725 install fixproto files or write out fixproto settings.
3726 (uninstall): Don't uninstall protoize.
3727 * config.gcc (use_fixproto): Remove.
3728 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3729 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3730 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3731 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3732 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3733 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3734 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3735 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3736 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3737 * config/t-vxworks (STMP_FIXPROTO): Remove.
3738 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3739 STMP_FIXPROTO): Remove.
3740 * config.in, configure: Regenerate.
3741 * crtstuff.c (gid_t, uid_t): Don't undefine.
3742 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3743 (arm-*-coff, arm-*-aout: Remove target entries.
3744 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3745 Remove mention of AIX 4.1.
3746 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3747 * doc/invoke.texi (Running Protoize): Remove.
3748 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3749 (Protoize Caveats): Remove.
3750 * tsystem.h: Update comments on headers assumed to exist.
3752 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3754 * genautomata.c: Add a new year to the copyright. Add a new
3756 (struct insn_reserv_decl): Add comments for member bypass_list.
3757 (find_bypass): Remove.
3758 (insert_bypass): New.
3759 (process_decls): Use insert_bypass.
3760 (output_internal_insn_latency_func): Output all bypasses with the
3761 same input insn in one switch case.
3763 * rtl.def (define_bypass): Describe bypass choice.
3764 * doc/md.texi (define_bypass): Ditto.
3766 2009-03-27 Richard Guenther <rguenther@suse.de>
3768 * gimplify.c (mark_addressable): Export.
3769 * tree-flow.h (mark_addressable): Declare.
3770 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3771 * tree-ssa.c (verify_phi_args): Verify that address taken
3772 variables have TREE_ADDRESSABLE set.
3774 2009-03-27 Richard Guenther <rguenther@suse.de>
3776 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3777 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3778 Do not mark decls TREE_ADDRESSABLE.
3779 (build_fold_addr_expr): Adjust.
3780 (fold_addr_expr): Remove.
3781 (fold_unary): Use build_fold_addr_expr.
3782 (fold_comparison): Likewise.
3783 (split_address_to_core_and_offset): Likewise.
3784 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3786 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3787 (gimplify_modify_expr_to_memcpy): Mark source and destination
3789 * omp-low.c (create_omp_child_function): Mark the object decl
3791 (lower_rec_input_clauses): Mark the var we take the address of
3793 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3795 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3798 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3799 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3801 2009-03-27 Richard Guenther <rguenther@suse.de>
3803 PR tree-optimization/39120
3804 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3806 (handle_lhs_call): Process return constraints. Add escape
3807 constraints if necessary.
3808 (handle_const_call): Fill out return constraints. Make nested
3809 case more precise. Avoid consttmp if possible.
3810 (handle_pure_call): Fill out return constraints. Avoid
3811 callused if possible.
3812 (find_func_aliases): Simplify call handling.
3814 2009-03-27 Richard Guenther <rguenther@suse.de>
3816 PR tree-optimization/39120
3817 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3818 as a representative.
3819 (solve_graph): Do propagate CALLUSED.
3820 (handle_pure_call): Use a scalar constraint from CALLUSED for
3822 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3825 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3828 * c-common.c (handle_aligned_attribute): Properly check alignment
3829 overflow. Use (1U << i) instead of (1 << i).
3831 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3833 * expr.h (get_mem_align_offset): Updated.
3835 * tree.h (tree_decl_common): Change align to "unsigned int" and
3836 move it before pointer_alias_set.
3838 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3839 Jakub Jelinek <jakub@redhat.com>
3842 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3843 gr_register_operand with gr_reg_or_0_operand.
3844 (cmpxchg_rel_di): Likewise.
3845 (sync_lock_test_and_set<mode>): Likewise.
3847 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3849 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3850 (true_regnum): Likewise.
3852 * rtlanal.c (subreg_info): Moved to ...
3853 * rtl.h (subreg_info): Here. New.
3854 (subreg_get_info): New.
3856 * rtlanal.c (subreg_get_info): Make it extern.
3858 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3861 * config/i386/i386.c (ix86_abi): New.
3862 (override_options): Handle -mabi=.
3863 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3864 (ix86_call_abi_override): Likewise.
3865 (init_cumulative_args): Likewise.
3866 (function_arg_advance): Likewise.
3867 (function_arg_64): Likewise.
3868 (function_arg): Likewise.
3869 (ix86_pass_by_reference): Likewise.
3870 (ix86_function_value_regno_p): Likewise.
3871 (ix86_build_builtin_va_list_abi): Likewise.
3872 (setup_incoming_varargs_64): Likewise.
3873 (is_va_list_char_pointer): Likewise.
3874 (ix86_init_machine_status): Likewise.
3875 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3876 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3877 for 64bit. Replace DEFAULT_ABI with ix86_abi.
3878 (ix86_function_abi): Make it static and return enum calling_abi.
3879 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3881 (ix86_fn_abi_va_list): Updated.
3883 * config/i386/i386.h (ix86_abi): New.
3884 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3885 (CONDITIONAL_REGISTER_USAGE): Likewise.
3886 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3887 (machine_function): Likewise.
3889 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3891 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3892 (STACK_BOUNDARY): Likewise.
3893 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3895 * config/i386/i386.opt (mabi=): New.
3897 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3898 return enum calling_abi.
3899 (ix86_function_type_abi): Likewise.
3900 (ix86_function_abi): Removed.
3902 * doc/invoke.texi: Document -mabi= option for x86.
3904 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3906 * builtins.c (real_dconstp): Delete.
3907 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3909 2009-03-27 Dodji Seketeli <dodji@redhat.com>
3910 Jakub Jelinek <jakub@redhat.com>
3913 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3914 (gen_subprogram_die): When a function is explicit, generate the
3915 DW_AT_explicit attribute.
3916 * langhooks.h (struct lang_hooks_for_decls): Add
3917 function_decl_explicit_p langhook.
3918 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3919 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3921 2009-03-27 Jakub Jelinek <jakub@redhat.com>
3923 * builtins.c (fold_builtin_memory_op): Optimize memmove
3924 into memcpy if we can prove source and destination don't overlap.
3926 * tree-inline.c: Include gt-tree-inline.h.
3927 (clone_fn_id_num): New variable.
3928 (clone_function_name): New function.
3929 (tree_function_versioning): Use it.
3930 * Makefile.in (GTFILES): Add tree-inline.c.
3932 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3934 * BASE-VER: Change to 4.5.0.
3936 2009-03-27 Xinliang David Li <davidxl@google.com>
3938 PR tree-optimization/39557
3939 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3941 2009-03-27 Xinliang David Li <davidxl@google.com>
3943 PR tree-optimization/39548
3944 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3947 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3949 * c-common.c (pointer_int_sum): Use %wd on return from
3952 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3954 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3955 on return from tree_low_cst.
3957 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3960 * ginclude/stdarg.h (va_copy): Define also for
3961 __GXX_EXPERIMENTAL_CXX0X__.
3963 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3966 * builtins.h (c_strlen): Do not warn here.
3967 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3968 * c-common.c (pointer_int_sum): Take an explicit location.
3969 Warn about offsets out of bounds.
3970 * c-common.h (pointer_int_sum): Adjust declaration.
3972 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3974 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3977 2009-03-26 Jakub Jelinek <jakub@redhat.com>
3980 * opts.c (warn_if_disallowed_function_p): Don't assume
3981 get_callee_fndecl must return non-NULL.
3983 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3985 PR rtl-optimization/39522
3986 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3987 when reg_reloaded_valid is set.
3989 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3991 * config/spu/divv2df3.c: New file.
3992 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3993 (DPBIT_FUNCS): Filter out _div_df.
3995 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3997 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3998 a jump insn, count that jump in the distance to the loop start.
4000 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
4003 * config/sh/sh.c (calc_live_regs): Fix condition for global
4004 registers except PIC_OFFSET_TABLE_REGNUM.
4006 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
4009 * doc/invoke.texi (-mconsole): New.
4013 (-mnop-fun-dllimport): New.
4017 (sub section "i386 and x86-64 Windows Options"): New.
4019 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
4021 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4022 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4024 2009-03-25 Richard Guenther <rguenther@suse.de>
4027 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4030 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
4032 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4033 neither of haifa/selective schedulers are working.
4035 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4037 * doc/invoke.texi (Debugging Options): Fix description of
4038 -fno-merge-debug-strings.
4040 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
4042 * config/cris/libgcc.ver: New version-script.
4043 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4045 * configure.ac <GAS features, nop mnemonic>: Add pattern
4046 crisv32-*-* for "nop".
4047 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4048 * configure: Regenerate.
4050 2009-03-24 Ira Rosen <irar@il.ibm.com>
4052 PR tree-optimization/39529
4053 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4054 mark_sym_for_renaming for the tag copied to the new vector
4057 2009-03-24 Arthur Loiret <aloiret@debian.org>
4059 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4060 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4061 EXTRA_SPEC_FUNCTIONS.
4062 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4063 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4064 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4065 -march and -mtune options.
4067 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
4069 * config/m68k/t-rtems: Add m5329 multilib.
4071 2009-03-24 Dodji Seketeli <dodji@redhat.com>
4072 Jakub Jelinek <jakub@redhat.com>
4075 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4078 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4081 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4082 instead of c_parser_expression_conv, if original_code isn't one of the
4083 4 allowed comparison codes, fail.
4085 2009-03-23 Richard Guenther <rguenther@suse.de>
4087 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4088 * tree.h (struct tree_type): Likewise.
4089 * reload.h (struct insn_chain): Likewise.
4090 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4091 * function.h (struct function): Likewise.
4092 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4094 2009-03-23 Jakub Jelinek <jakub@redhat.com>
4096 PR tree-optimization/39516
4097 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4099 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
4101 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4102 should be set true if BITS_PER_WORD of target is bigger than 32
4104 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
4106 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4107 Translate -B-options to -rpath-link. Correct existing
4108 rpath-link and conditionalize on !nostdlib.
4110 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4112 * doc/extend.texi (Function Attributes, Variable Attributes):
4114 * doc/invoke.texi (Debugging Options, Optimize Options)
4115 (i386 and x86-64 Options, MCore Options): Likewise.
4117 2009-03-20 Jakub Jelinek <jakub@redhat.com>
4120 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4121 it for block local namespace aliases.
4122 (gen_decl_die): Pass context_die to gen_namespace_die.
4124 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4127 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4128 minimum or maximum value.
4130 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
4132 * reginfo.c (globalize_reg): Recompute derived reg sets.
4134 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
4137 * libgcc2.c (mprotect): Do not use signed arguments for
4138 VirtualProtect, use DWORD arguments. Also fix the 'may
4139 be used uninitialized' warning for the np variable.
4141 2009-03-19 Jakub Jelinek <jakub@redhat.com>
4144 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4145 functions using regparm calling conventions when not optimizing.
4146 (ix86_function_sseregparm): Similarly for sseregparm calling
4149 2009-03-19 Li Feng <nemokingdom@gmail.com>
4152 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4153 dependence if the first conflict is after niter iterations.
4155 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
4158 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4159 functions with dynamic stack-pointer adjustments.
4161 2009-03-19 Ben Elliston <bje@au.ibm.com>
4163 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4164 option; change to -msdata=data.
4166 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4168 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4171 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
4174 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4176 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
4178 * doc/invoke.texi (Code Gen Options): Expand discussion of
4181 2009-03-18 Jakub Jelinek <jakub@redhat.com>
4183 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4184 * matrix-reorg.c (struct matrix_info): Likewise.
4185 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4186 * rtl.h (struct mem_attrs): Likewise.
4187 * df.h (struct df): Likewise.
4188 * tree-data-ref.h (struct data_dependence_relation): Likewise.
4189 * ira-int.h (struct ira_allocno): Likewise.
4190 * df-scan.c (struct df_collection_rec): Likewise.
4191 * ira.c (struct equivalence): Likewise.
4192 * function.c (struct temp_slot): Likewise.
4193 * cfgloop.h (struct loop): Likewise.
4196 * function.c (use_register_for_decl): When not optimizing, disregard
4197 register keyword for variables with types containing methods.
4199 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4202 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4203 (is_simple_operand): Call contains_component_ref_p before calling data
4204 reference analysis that would fail on COMPONENT_REFs.
4206 * tree-vrp.c (search_for_addr_array): Fix formatting.
4208 2009-03-18 Richard Guenther <rguenther@suse.de>
4210 * tree-vect-transform.c (vect_loop_versioning): Fold the
4211 generated comparisons.
4212 * tree-vectorizer.c (set_prologue_iterations): Likewise.
4213 (slpeel_tree_peel_loop_to_edge): Likewise.
4215 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4218 * opts.c (print_specific_help): In addition to `undocumented',
4219 accept `separate' and `joined' flags if passed alone. Describe
4220 output by the first matched one of those.
4221 (common_handle_option): Skip over empty strings.
4222 * gcc.c (display_help): Fix help string for `--help='.
4223 * doc/invoke.texi (Option Summary, Overall Options): With
4224 `--help=', classes and qualifiers can both be repeated, but
4225 only the latter can be negated. One should not pass only
4226 negated qualifiers. Fix markup and examples.
4229 2008-10-14 Jakub Jelinek <jakub@redhat.com>
4231 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4232 and -fhelp=separate.
4234 2009-03-17 Jing Yu <jingyu@google.com>
4237 * function.h (struct rtl_data): Move is_thunk from here...
4238 (struct function): ...to here.
4239 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4240 * varasm.c (assemble_start_function): Change is_thunk from crtl to
4242 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4244 (alpha_does_function_need_gp, alpha_start_function): Likewise.
4245 (alpha_output_function_end_prologue): Likewise.
4246 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4247 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4248 (rs6000_output_function_epilogue): Likewise.
4249 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4251 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
4254 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4255 from different units in a single alternative.
4256 (*truncdfsf_i387): Ditto.
4257 (*truncxfsf2_mixed): Ditto.
4258 (*truncxfdf2_mixed): Ditto.
4260 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4262 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4263 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4266 * tree-ssa-live.c (remove_unused_locals): Don't remove local
4267 unused non-artificial variables when not optimizing.
4270 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4271 DW_TAG_imported_module even if decl is IMPORTED_DECL with
4272 NAMESPACE_DECL in its DECL_INITIAL.
4275 * optabs.c (set_user_assembler_libfunc): New function.
4276 * expr.h (set_user_assembler_libfunc): New prototype.
4277 * c-common.c: Include libfuncs.h.
4278 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4279 for memcmp, memset, memcpy, memmove and abort.
4280 * Makefile.in (c-common.o): Depend on libfuncs.h.
4283 * dwarf2out.c (gen_inlined_enumeration_type_die,
4284 gen_inlined_structure_type_die, gen_inlined_union_type_die,
4285 gen_tagged_type_instantiation_die): Removed.
4286 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4289 2009-03-17 Janis Johnson <janis187@us.ibm.com>
4292 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4294 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4295 (check-parallel-%): Ditto.
4296 (check-consistency): Ditto.
4298 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
4300 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4301 local variable rhs by NULL_TREE.
4303 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4306 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4308 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4311 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4313 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4316 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4317 for ms->sysv ABI calls only in 64bit mode.
4319 * config/i386/i386.md (untyped_call): Support 32bit.
4321 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
4323 * doc/extend.texi: Replace x86_65 with x86_64.
4325 2009-03-16 Jakub Jelinek <jakub@redhat.com>
4327 PR tree-optimization/39455
4328 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4329 mismatches for POINTER_TYPE_P (type).
4330 (number_of_iterations_le): Likewise.
4332 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4334 * config/picochip/picochip.c: Removed profiling support.
4335 * config/picochip/picochip.md: Removed profiling instruction.
4336 * config/picochip/picochip.h: Removed profiling builtin.
4338 2009-03-16 Joseph Myers <joseph@codesourcery.com>
4340 * doc/install.texi (--with-host-libstdcxx): Document.
4342 2009-03-14 Anatoly Sokolov <aesok@post.ru>
4345 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4346 generate a warning if the function name does not begin with
4347 "__vector" and the function has either the 'signal' or 'interrupt'
4348 attribute, from here to ...
4349 (avr_declare_function_name): ...here. New function.
4350 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4351 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4353 2009-03-14 Jakub Jelinek <jakub@redhat.com>
4356 * cse.c (fold_rtx): Don't modify original const_arg1 when
4357 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4358 separate variable instead.
4359 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4360 from out of range shift counts.
4361 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4363 2008-03-13 Catherine Moore <clm@codesourcery.com>
4365 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4366 diagnostic.h with $(DIAGNOSTIC_H).
4368 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4371 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4373 * config/i386/sync.md (sync_compare_and_swap<mode>,
4374 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4375 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4377 (sync_double_compare_and_swapdi_pic,
4378 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4379 cmpxchg8b_pic_memory_operand instead of just memory_operand.
4381 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4384 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4386 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4389 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4390 (avx_addsubv4df3): Likewise.
4391 (*avx_addsubv4sf3): Likewise.
4392 (sse3_addsubv4sf3): Likewise.
4394 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4397 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4399 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4402 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4403 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4404 registers for allocnos created from user-defined variables.
4406 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4409 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4410 of non-integer mode as well.
4412 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
4414 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4415 for functions for which the parameter types are unknown.
4417 2009-03-11 Jakub Jelinek <jakub@redhat.com>
4420 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4421 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4422 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4423 * config/i386/i386.c (ix86_local_alignment): For
4424 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4425 long long variables on the stack to avoid dynamic realignment.
4426 Allow the first argument to be a decl rather than type.
4427 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4429 2009-03-11 Nick Clifton <nickc@redhat.com>
4432 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4434 Add description to mno-lsim option.
4435 * config/mcore/mcore.h: Remove comment about deprecated m4align
4437 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4438 * doc/invoke.texi: Add description of mno-lsim and
4439 mstack-increment options.
4441 * config/fr30/fr30.opt: Document the -mno-lsim option.
4442 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4443 and -mno-lsim options.
4445 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4447 * fold-const.c (fold_comparison): Only call fold_inf_compare
4448 if the mode supports infinities.
4450 2009-03-11 Jason Merrill <jason@redhat.com>
4453 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4454 end already did. Notice GIMPLE_CALL modifications of the result.
4455 Don't copy debug information from an ignored decl or a decl from
4458 2009-03-10 Richard Guenther <rguenther@suse.de>
4459 Nathan Froyd <froydnj@codesourcery.com>
4462 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4463 (__divMODE3): Likewise.
4465 2009-03-09 Jakub Jelinek <jakub@redhat.com>
4467 PR tree-optimization/39394
4468 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4469 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4471 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4473 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4474 inline asms for register asm ("") declarations.
4476 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4478 * fold-const.c (fold_unary): Fix comment.
4480 2009-03-07 Jan Hubicka <jh@suse.cz>
4483 * tree-inline.c (setup_one_parameter): Do replacement of const
4484 argument by constant in SSA form.
4486 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4489 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4490 determine alignment passed to assign_stack_local.
4491 (assign_parms_unsplit_complex): Likewise.
4492 * except.c (sjlj_build_landing_pads): Likewise.
4494 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4497 * tree-flow.h (add_referenced_var): Return bool instead of void.
4498 * tree-dfa.c (add_referenced_var): Return result of
4499 referenced_var_check_and_insert call.
4500 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4501 of referenced_var_check_and_insert.
4504 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4505 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4506 DIE, don't emit it if abstract origin already has it.
4507 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4508 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4510 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4512 * genpreds.c (needs_variable): Fix parentheses at variable name
4514 (write_tm_constrs_h): Indent generated code.
4516 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4518 * doc/extend.texi (Function Attributes): Add documentation
4521 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4524 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4525 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4527 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4529 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4532 2009-03-05 Jakub Jelinek <jakub@redhat.com>
4535 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4536 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4538 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
4540 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4541 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4542 constants instead of magic numbers.
4543 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4545 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4546 (x86_64_ms_abi_int_parameter_registers): Ditto.
4547 (x86_64_int_return_registers): Ditto.
4548 (ix86_maybe_switch_abi): Ditto.
4549 (ix86_expand_call): Ditto for clobbered_registers array.
4550 (ix86_hard_regno_mode_ok): Ditto.
4551 (x86_extended_QIreg_mentioned_p): Ditto.
4553 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4555 PR tree-optimization/39349
4556 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4558 * combine.c (gen_lowpart_for_combine): Use omode when generating
4561 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4563 PR rtl-optimization/39235
4564 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4566 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4568 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4570 2009-03-04 Richard Guenther <rguenther@suse.de>
4572 PR tree-optimization/39362
4573 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4574 that occur in abnormal PHIs should be varying.
4576 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
4578 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4580 (simple_iv): Take loop as an argument instead of statement.
4581 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4582 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4584 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4586 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4587 * matrix-reorg.c (analyze_transpose): Ditto.
4588 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4589 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4590 * tree-predcom.c (ref_at_iteration): Ditto.
4591 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4593 2009-03-04 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/39358
4596 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4597 escaped_id and callused_id.
4598 (solve_graph): Likewise.
4600 2009-03-04 Richard Guenther <rguenther@suse.de>
4602 PR tree-optimization/39339
4603 * tree-sra.c (try_instantiate_multiple_fields): Make it
4604 no longer ICE on the above.
4606 2009-03-03 Joseph Myers <joseph@codesourcery.com>
4608 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4609 that fits within Pmode.
4611 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4614 * tm.texi (LIBCALL_VALUE): Update description.
4616 2009-03-03 Steve Ellcey <sje@cup.hp.com>
4619 * doc/extend.texi (section): Update description.
4621 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4624 * tree-inline.c (remapped_type): New.
4625 (can_be_nonlocal): Call remapped_type instead of remap_type.
4627 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4630 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4631 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4633 2009-03-03 Richard Guenther <rguenther@suse.de>
4636 * tree.c (tree_nonartificial_location): New function.
4637 * tree.h (tree_nonartificial_location): Declare.
4638 * builtins.c (expand_builtin_memory_chk): Provide location
4639 of the call location for artificial function pieces.
4640 (maybe_emit_chk_warning): Likewise.
4641 (maybe_emit_sprintf_chk_warning): Likewise.
4642 (maybe_emit_free_warning): Likewise.
4643 * expr.c (expand_expr_real_1): Likewise.
4645 2009-03-03 Jakub Jelinek <jakub@redhat.com>
4647 PR tree-optimization/39343
4648 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4649 COMPONENT_REF t has ARRAY_TYPE.
4651 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4654 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4655 when the type precision of the induction variable should be
4656 larger than the type precision of nit.
4657 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4658 * graphite.c (graphite_loop_normal_form): Same.
4659 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4661 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4663 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4664 (*call_1_rex64_ms_sysv): Use named constants instead of magic
4665 numbers to describe clobbered registers.
4666 (*call_value_0_rex64_ms_sysv): Ditto.
4667 * config/i386/mmx.md (mmx_emms): Ditto.
4670 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4672 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4675 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4677 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4678 (spu_section_type_flags): New function.
4680 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
4682 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4683 reg_class_contents of FLOAT_REGS into a temporary.
4685 2009-03-02 Richard Guenther <rguenther@suse.de>
4686 Ira Rosen <irar@il.ibm.com>
4688 PR tree-optimization/39318
4689 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4690 information to the vectorized statement.
4692 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
4694 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4695 variable. Use defined names instead of magic constants for REX SSE
4698 2009-03-01 Richard Guenther <rguenther@suse.de>
4700 PR tree-optimization/39331
4701 * omp-low.c (lower_send_shared_vars): Do not receive new
4702 values for the reference of DECL_BY_REFERENCE parms or results.
4704 2009-03-01 Jan Hubicka <jh@suse.cz>
4707 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4708 BLOCK_NONLOCALIZED_VAR): New macros.
4709 (tree_block): Add nonlocalized_vars.
4710 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4711 gen_decl_die): Add origin argument. Allow generation of die with
4712 origin at hand only.
4713 (gen_member_die, gen_type_die_with_usage, force_decl_die,
4714 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4716 (gen_block_die): Fix checking for unused blocks.
4717 (process_scope_var): Break out from .... ; work with origins only.
4718 (decls_for_scope) ... here; process nonlocalized list.
4719 (dwarf2out_ignore_block): Look for nonlocalized vars.
4720 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4722 (dump_scope_block): Dump them.
4723 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4724 (remap_block): Likewise.
4725 (can_be_nonlocal): New predicate.
4726 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4728 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4730 * configure: Regenerate.
4732 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4734 * optc-gen.awk: No need to duplicate option flags twice.
4735 Reuse help texts for duplicate options which do not have any.
4737 * gcc.c (display_help): Document --version.
4739 * gcc.c (main): If print_help_list and verbose_flag, ensure
4740 driver output comes before subprocess output.
4742 * optc-gen.awk: Assign all remaining fields to help string,
4743 space-separated, for multi-line help in *.opt.
4745 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4746 -Wno-pedantic-ms-format is for MinGW targets only.
4748 * doc/options.texi (Option file format): Fix bad indentation,
4749 restoring dropped sentence.
4751 2009-02-28 Jan Hubicka <jh@suse.cz>
4753 * tree-inline.c (tree_function_versioning): Output debug info.
4755 2009-02-28 Jan Hubicka <jh@suse.cz>
4758 * tree-inline.c (setup_one_parameter): Do not copy propagate
4759 arguments when not optimizing.
4761 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4764 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4765 (avx_addsubv4df3): Likewise.
4766 (*avx_addsubv4sf3): Likewise.
4767 (sse3_addsubv4sf3): Likewise.
4768 (*avx_addsubv2df3): Likewise.
4769 (sse3_addsubv2df3): Likewise.
4770 (avx_unpckhps256): Correct item selectors.
4771 (avx_unpcklps256): Likewise.
4772 (avx_unpckhpd256): Likewise.
4773 (avx_unpcklpd256): Likewise.
4775 2009-02-28 Jan Hubicka <jh@suse.cz>
4777 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4779 (copy_arguments_for_versioning): If var is declared don't declare it.
4780 (tree_function_versioning): First setup substitutions and then copy
4783 2009-02-27 Jan Hubicka <jh@suse.cz>
4786 * cgraph.h (varpool_output_debug_info): Remove.
4787 * cgraphunit.c (varpool_output_debug_info): Remove.
4788 * dwarf2out.c (deferred_locations_struct): New struct
4789 (deferred_locations): New type.
4790 (deferred_locations_list): New static var.
4791 (deffer_location): New function.
4792 (gen_variable_die): Use it.
4793 (decls_for_scope): Output info on local static vars.
4794 (dwarf2out_finish): Process deferred locations.
4795 * varpool.c (varpool_output_debug_info): Remove.
4797 2009-02-27 Jan Hubicka <jh@suse.cz>
4800 * tree.h (TREE_PROTECTED): Fix comment.
4801 (BLOCK_HANDLER_BLOCK): Remove.
4802 (struct tree_block): Remove handler_block add body_block.
4803 (inlined_function_outer_scope_p): New.
4804 (is_body_block): Remove.
4805 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4806 * dwarf2out.c (is_inlined_entry_point): Remove.
4807 (add_high_low_attributes): Use inlined_function_outer_scope_p.
4808 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4810 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4811 * gimplify.c (gimplify_expr): Gimplify body blocks.
4812 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4813 block with multiple subblocks.
4814 (dump_scope_block): Prettier output; dump more flags and info.
4815 (dump_scope_blocks): New.
4816 (remove_unused_locals): Use dump_scope_blocks.
4817 * tree-flow.h (dump_scope_blocks): Declare.
4818 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4819 * stmt.c (is_body_block): Remove.
4820 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4821 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4823 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4826 * graphite.c (graphite_loop_normal_form): Do not call
4827 number_of_iterations_exit from a gcc_assert.
4829 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4831 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4832 jumps if COND is NULL.
4833 (find_cond_jump): New function.
4834 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4835 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4837 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
4839 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4840 force_const_mem returns NULL_RTX.
4842 2009-02-26 Jan Hubicka <jh@suse.cz>
4845 * cgraph.h (varpool_output_debug_info): Remove.
4846 * cgraphunit.c (varpool_output_debug_info): Remove.
4847 * dwarf2out.c (deferred_locations_struct): New struct
4848 (deferred_locations): New type.
4849 (deferred_locations_list): New static var.
4850 (deffer_location): New function.
4851 (gen_variable_die): Use it.
4852 (decls_for_scope): Output info on local static vars.
4853 (dwarf2out_finish): Process deferred locations.
4854 * varpool.c (varpool_output_debug_info): Remove.
4856 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
4858 PR rtl-optimization/39241
4859 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4860 to subreg_offset_representable_p.
4862 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4864 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4865 execute function prototype. Get f and nregs from max_reg_num
4866 and get_insns. Remove the first backward pass as it's dead,
4867 guard the forward pass by flag_expensive_optimizations.
4868 (rest_of_handle_regmove): Delete.
4869 (pass_regmove): Replace it with regmove_optimize.
4871 2009-02-25 Martin Jambor <mjambor@suse.cz>
4873 PR tree-optimization/39259
4874 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4875 calls_alloca function flags.
4876 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4879 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
4881 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4882 flags_set_1_rtx, flags_set_1_set): Delete.
4883 (regmove_optimize): Do not call mark_flags_life_zones.
4885 2009-02-24 Julian Brown <julian@codesourcery.com>
4888 * config/arm/arm.c (require_pic_register): Only set
4889 cfun->machine->pic_reg once per function.
4891 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4893 * doc/invoke.texi (Link Options): Document an easier way to pass
4894 options that take arguments to the GNU linker using -Xlinker and -Wl.
4896 2009-02-24 Steve Ellcey <sje@cup.hp.com>
4899 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4901 2009-02-24 Richard Guenther <rguenther@suse.de>
4904 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4906 2009-02-24 Richard Guenther <rguenther@suse.de>
4907 Zdenek Dvorak <ook@ucw.cz>
4909 PR tree-optimization/39233
4910 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4911 from converting them to a generic type.
4913 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4915 PR tree-optimization/39260
4916 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4917 contains a condition with a real type.
4918 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4920 2009-02-23 Jason Merrill <jason@redhat.com>
4923 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4924 narrowing_initializer_constant_valid_p.
4925 (narrowing_initializer_constant_valid_p): Don't return
4926 null_pointer_node for adding a pointer to itself.
4928 2009-02-23 Jan Hubicka <jh@suse.cz>
4931 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4934 2009-02-23 Jan Hubicka <jh@suse.cz>
4936 PR tree-optimization/37709
4937 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4938 * tree.h (block_ultimate_origin): Declare.
4939 * dwarf2out.c (block_ultimate_origin): Move to tree.c
4940 * tree-ssa-live.c (remove_unused_scope_block_p):
4941 Eliminate blocks containig no instructions nor live variables nor
4943 (dump_scope_block): New function.
4944 (remove_unused_locals): Enable removal of dead blocks by default;
4945 enable dumping at TDF_DETAILS.
4947 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4949 * config/i386/i386.c (classify_argument): Don't allow COImode
4951 (function_arg_advance_32): Don't allow OImode.
4952 (function_arg_32): Likewise.
4953 (function_value_32): Likewise.
4954 (return_in_memory_32): Likewise.
4955 (function_arg_64): Remove OImode comment.
4957 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4960 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4961 ix86_expand_vector_set for V4DImode in 64bit mode only.
4962 (ix86_expand_vector_init_one_var): Likewise.
4964 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4966 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4968 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4971 * loop-iv.c: Revert last change.
4972 * emit-rtl.c: Likewise.
4974 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4977 * config/i386/i386.c (type_natural_mode): Remove an extra
4978 space in the warning message.
4979 (function_value_32): Handle 32-byte vector modes.
4980 (return_in_memory_32): Likewise.
4982 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4984 * loop-iv.c (truncate_value): New function.
4985 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4987 (lowpart_subreg): Move to...
4988 * emit-rtl.c: ...here.
4990 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
4992 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4993 accidental and undocumented change at revision 140860.
4995 2009-02-21 Joseph Myers <joseph@codesourcery.com>
4997 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4998 take gimple_seq * arguments.
4999 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5000 types_compatible_p langhook.
5002 2009-02-20 Mark Mitchell <mark@codesourcery.com>
5003 Joseph Myers <joseph@codesourcery.com>
5005 * config/arm/arm.c (arm_builtin_va_list): New function.
5006 (arm_expand_builtin_va_start): Likewise.
5007 (arm_gimplify_va_arg_expr): Likewise.
5008 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5009 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5010 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5011 (va_list_type): New variable.
5012 (arm_mangle_type): Mangle va_list_type appropriately.
5014 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5017 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5018 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5019 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5020 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5021 parameter to 1000 for -O1 by default.
5022 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5024 * loop-invariant.c: Include params.h.
5025 (move_loop_invariants): Don't call move_single_loop_invariants on
5028 2009-02-20 Jaka Mocnik <jaka@xlab.si>
5030 * calls.c (emit_library_call_value_1): Use slot_offset instead of
5031 offset when calculating bounds for indexing stack_usage_map. Fixes
5032 a buffer overflow with certain target setups.
5034 2009-02-20 Jakub Jelinek <jakub@redhat.com>
5037 * calls.c (expand_call): Clear try_tail_call if caller and callee
5038 disagree in promotion of function return value.
5040 2009-02-19 Jakub Jelinek <jakub@redhat.com>
5043 * c-common.c (c_determine_visibility): If visibility changed and
5044 DECL_RTL has been already set, call make_decl_rtl to update symbol
5047 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
5050 * varasm.c (assemble_variable): Don't check DECL_NAME when
5051 globalizing a variable.
5053 2009-02-19 Joseph Myers <joseph@codesourcery.com>
5056 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5057 expression before any __builtin_trap call.
5058 * c-typeck.c (build_function_call): Convert and check function
5059 arguments before generating a call to a trap. Evaluate the
5060 function arguments before the trap.
5062 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
5065 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5066 (UNSPEC_FXAM_MEM): New unspec.
5067 (fxam<mode>2_i387_with_temp): New insn and split pattern.
5068 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
5069 memory using fxam<mode>2_i387_with_temp to remove excess precision.
5071 2009-02-19 Richard Guenther <rguenther@suse.de>
5073 PR tree-optimization/39207
5074 PR tree-optimization/39074
5075 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5076 storedanything_tree): New.
5077 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
5078 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5079 (build_succ_graph): Add edges from STOREDANYTHING to all
5081 (init_base_vars): Initialize STOREDANYTHING.
5082 (compute_points_to_sets): Free substitution info after
5083 building the succ graph.
5084 (ipa_pta_execute): Likewise.
5086 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5088 (do_ds_constraint): Do not add to special var or non-pointer
5090 (type_could_have_pointers): Split out from ...
5091 (could_have_pointers): ... here. For arrays use the element type.
5092 (create_variable_info_for): Initialize may_have_pointers.
5093 (new_var_info): Likewise.
5094 (handle_lhs_call): Make the HEAP variable unknown-sized.
5095 (intra_create_variable_infos): Use a type with pointers for
5096 PARM_NOALIAS, make it unknown-sized.
5098 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
5101 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5103 2009-02-18 Jason Merrill <jason@redhat.com>
5106 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5107 value if DECL_EXTERNAL.
5108 * tree-sra.c (sra_walk_gimple_assign): Likewise.
5109 * target.h (gcc_target::binds_local_p): Clarify "module".
5110 * tree.h (TREE_PUBLIC): Clarify "module".
5112 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
5115 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5116 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5118 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
5121 * c.opt (Wabi): Support C and ObjC.
5124 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5126 * config/i386/i386.c (classify_argument): Warn once about the ABI
5127 change when passing union with long double.
5129 * doc/invoke.texi: Update -Wabi for warning psABI changes.
5131 2009-02-18 Joseph Myers <joseph@codesourcery.com>
5134 * c-parser.c (c_parser_compound_statement): Always enter and leave
5137 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5140 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5142 2009-02-18 Jakub Jelinek <jakub@redhat.com>
5144 PR tree-optimization/36922
5145 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5146 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5149 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5151 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5154 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5156 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5158 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
5160 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5163 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
5164 Richard Sandiford <rdsandiford@googlemail.com>
5166 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5167 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5168 (loongson_biadd): ...this.
5170 2009-02-17 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/39202
5173 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5174 a var make sure to follow existing collapses.
5176 2009-02-17 Richard Guenther <rguenther@suse.de>
5179 * langhooks.c (lhd_print_error_function): Check for NULL block.
5181 2009-02-17 Richard Guenther <rguenther@suse.de>
5183 PR tree-optimization/39204
5184 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5187 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
5189 * config/soft-fp/double.h: Update from glibc CVS.
5191 2009-02-17 Richard Guenther <rguenther@suse.de>
5193 PR tree-optimization/39207
5194 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5195 strict-aliasing warnings for pointers pointing to NULL.
5197 2009-02-16 Joseph Myers <joseph@codesourcery.com>
5200 * c-parser.c (c_parser_braced_init): Call pop_init_level when
5201 skipping until next close brace.
5203 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
5206 * config/i386/i386.c (ix86_expand_push): Set memory alignment
5207 to function argument boundary.
5209 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5211 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5212 in the lea_add. Reload eventually constraints it properly.
5213 * config/picochip/constraints.md : Remove the target constraint
5214 "b", since it is not needed anymore.
5216 2009-02-16 Jakub Jelinek <jakub@redhat.com>
5218 * gthr-dce.h: Uglify function parameter and local variable names.
5219 * gthr-gnat.h: Likewise.
5220 * gthr-mipssde.h: Likewise.
5221 * gthr-nks.h: Likewise.
5222 * gthr-posix95.h: Likewise.
5223 * gthr-posix.h: Likewise.
5224 * gthr-rtems.h: Likewise.
5225 * gthr-single.h: Likewise.
5226 * gthr-solaris.h: Likewise.
5227 * gthr-tpf.h: Likewise.
5228 * gthr-vxworks.h: Likewise.
5229 * gthr-win32.h: Likewise.
5231 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
5234 * config/i386/i386.md: Restrict the new peephole2 to move
5235 between MMX/SSE registers.
5237 2009-02-15 Richard Guenther <rguenther@suse.de>
5240 2009-02-13 Richard Guenther <rguenther@suse.de>
5242 * configure.ac: Enable LFS.
5243 * configure: Re-generate.
5244 * config.in: Likewise.
5246 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5248 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5249 spu_srqwbyte, spu_srqwbytebc): Define.
5250 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5251 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5252 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5253 "shrqby_<mode>"): New insn-and-split patterns.
5254 * config/spu/spu.c (expand_builtin_args): Determine and return
5255 number of operands using spu_builtin_description data.
5256 (spu_expand_builtin_1): Use it.
5258 2009-02-13 Steve Ellcey <sje@cup.hp.com>
5261 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5264 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5267 * config/i386/i386.c (override_options): Correct warning
5268 messages for -malign-loops, -malign-jumps and -malign-functions.
5270 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5273 * config/i386/i386.md: Restrict the new peephole2 to move
5274 between the general purpose registers.
5276 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
5279 * config/i386/i386.c (type_natural_mode): Add a new argument.
5280 Return the original mode and warn ABI change if vector size is 32byte.
5281 (function_arg_advance): Updated.
5282 (function_arg): Likewise.
5283 (ix86_function_value): Likewise.
5284 (ix86_return_in_memory): Likewise.
5285 (ix86_sol10_return_in_memory): Likewise.
5286 (ix86_gimplify_va_arg): Likewise.
5287 (function_arg_32): Don't warn ABX ABI change here.
5288 (function_arg_64): Likewise.
5290 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
5292 * loop-iv.c (implies_p): In the final case, test that operands 0
5293 of the two comparisons match.
5295 * config/bfin/bfin.c (find_prev_insn_start): New function.
5296 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5297 (find_next_insn_start): Move.
5299 2009-02-13 Richard Guenther <rguenther@suse.de>
5301 * configure.ac: Enable LFS.
5302 * configure: Re-generate.
5303 * config.in: Likewise.
5305 2009-02-13 Joseph Myers <joseph@codesourcery.com>
5308 * c-parser.c (c_parser_parms_list_declarator): Discard pending
5309 sizes on syntax error after some arguments have been parsed.
5311 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5313 * doc/invoke.texi (-fira): Remove.
5315 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5317 * caller-save.c: Replace regclass.c with reginfo.c in comments.
5318 * recog.c: Likewise.
5321 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
5323 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5324 (umul_ppmm): Likewise.
5325 (count_leading_zeros): Likewise.
5326 (count_trailing_zeros): Likewise.
5327 (UMUL_TIME): Likewise.
5329 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5331 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5332 soft-fp/t-softfp to tmake_file.
5334 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5335 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5336 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5337 IA64_BUILTIN_INFQ]: New.
5338 (ia64_init_builtins): Initialize __builtin_infq,
5339 __builtin_fabsq and __builtin_copysignq if not HPUX.
5340 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5341 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5343 * config/ia64/lib1funcs.asm (__divtf3): Define only if
5345 (__fixtfti): Likewise.
5346 (__fixunstfti): Likewise.
5347 (__floattitf): Likewise.
5349 * config/ia64/libgcc-glibc.ver: New.
5350 * config/ia64/t-fprules-softfp: Likewise.
5351 * config/ia64/sfp-machine.h: Likewise.
5353 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5354 (LIBGCC2_TF_CEXT): Likewise.
5355 (TF_SIZE): Likewise.
5356 (TARGET_INIT_LIBFUNCS): Likewise.
5358 * config/ia64/t-glibc (SHLINB_MAPFILES):
5359 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5361 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
5363 * config/i386/i386.c (construct_container): Rewrite processing
5364 BLKmode with X86_64_SSE_CLASS.
5366 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
5369 * config/i386/i386.md: Replace simplify_replace_rtx with
5370 replace_rtx in the new peephole2.
5372 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
5374 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5375 loop unrolling do not happen at -O2.
5377 2009-02-12 Michael Matz <matz@suse.de>
5379 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5381 2009-02-12 Jakub Jelinek <jakub@redhat.com>
5383 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5386 2009-02-12 Ben Elliston <bje@au.ibm.com>
5388 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5389 patterns when updating the back chain. Missed in the 2009-02-10
5392 2009-02-11 Janis Johnson <janis187@us.ibm.com>
5394 * doc/extend.texi (Decimal Floating Types): Update identifier of
5395 draft TR and list of missing support.
5397 2009-02-11 Jakub Jelinek <jakub@redhat.com>
5400 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5401 bit to variable length decl's flags, add it also to its
5402 pointer replacement variable.
5404 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
5405 Jakub Jelinek <jakub@redhat.com>
5408 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5409 (memory_blockage): New expander.
5410 (*memory_blockage): New insn pattern.
5411 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5412 instead of general blockage at the end of function prologue when
5413 frame pointer is used to access red zone area. Do not emit blockage
5414 when profiling, it is emitted in generic code.
5415 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5416 function epilogue when frame pointer is used to access red zone area.
5418 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
5421 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5422 by arithmetic with memory operands.
5423 * config/i386/predicates.md (commutative_operator): New.
5425 2009-02-10 Janis Johnson <janis187@us.ibm.com>
5427 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5430 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5432 * alias.h (record_alias_subset): Declare.
5433 * alias.c (record_alias_subset): Make global.
5435 2009-02-10 Nick Clifton <nickc@redhat.com>
5437 * tree-parloops.c: Change license to GPLv3.
5438 * ipa-struct-reorg.c: Change license to GPLv3.
5439 * ipa-struct-reorg.h: Change license to GPLv3.
5441 2009-02-10 Steve Ellcey <sje@cup.hp.com>
5444 * c-decl.c (start_struct): Return NULL on error.
5446 2009-02-10 Jakub Jelinek <jakub@redhat.com>
5449 * cfgloopmanip.c (remove_path): Call remove_bbs after
5450 cancel_loop_tree, not before it.
5453 * function.h (struct function): Add has_local_explicit_reg_vars bit.
5454 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5455 VAR_DECLs were seen.
5456 * tree-ssa-live.c (remove_unused_locals): Recompute
5457 cfun->has_local_explicit_reg_vars.
5458 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5459 copies or clearings if cfun->has_local_explicit_reg_vars.
5461 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
5464 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5465 of function prologue when frame pointer is used to access
5468 2009-02-10 Richard Guenther <rguenther@suse.de>
5471 * gimplify.c (gimple_regimplify_operands): Always look if
5472 we need to create a temporary.
5474 2009-02-10 Richard Guenther <rguenther@suse.de>
5476 PR tree-optimization/39132
5477 * tree-loop-distribution.c (todo): New global var.
5478 (generate_memset_zero): Trigger TODO_rebuild_alias.
5479 (tree_loop_distribution): Return todo.
5481 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5484 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5485 (x86_64_reg_class_name): Removed.
5486 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5487 first one isn't X86_64_SSE_CLASS or any other ones aren't
5488 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5489 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5490 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5491 and 3 X86_64_SSEUP_CLASS.
5492 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5493 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5495 2009-02-10 Ben Elliston <bje@au.ibm.com>
5497 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5498 form instruction to update the stack back chain word, even if the
5499 user has disabled the generation of update instructions.
5500 (movdi_<mode>_update_stack): New.
5501 (movsi_update_stack): Likewise.
5502 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5503 always use an update form instruction to update the stack back
5506 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5509 * graphite.c (if_region_set_false_region): After moving a region in
5510 the false branch of a condition, remove the empty dummy basic block.
5511 (gloog): Remove wrong fix for PR38953.
5513 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5515 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5516 generation due to implicit sign extension.
5518 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5521 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5522 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5524 2009-02-09 Richard Guenther <rguenther@suse.de>
5527 * convert.c (convert_to_real): Disable (float)fn((double)x)
5528 to fnf(x) conversion if errno differences may occur and
5529 -fmath-errno is set.
5531 2009-02-07 Anatoly Sokolov <aesok@post.ru>
5533 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5534 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5535 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5537 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5540 * c-common.c (handle_alias_attribute): Disallow attribute for
5541 anything not a FUNCTION_DECL or VAR_DECL.
5543 2009-02-06 Janis Johnson <janis187@us.ibm.com>
5546 * real.c (do_compare): Special-case compare of zero against
5547 decimal float value.
5549 2009-02-06 Joseph Myers <joseph@codesourcery.com>
5552 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5553 as indicating flexible array members unless the field itself is
5554 being declarared as the incomplete array.
5556 2009-02-06 Jan Hubicka <jh@suse.cz>
5558 PR tree-optimization/38844
5559 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5562 2009-02-06 Richard Guenther <rguenther@suse.de>
5565 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5566 fork because we may expand it as __gcov_fork.
5568 2009-02-06 Nick Clifton <nickc@redhat.com>
5570 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5572 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
5574 PR tree-optimization/35659
5575 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5576 vn_phi_eq): Shortcut if hashcode does not match.
5577 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5579 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5580 and avoid iterative_hash_expr.
5581 (FOR_EACH_VALUE_ID_IN_SET): New.
5582 (value_id_compare): Remove.
5583 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5584 sort expressions by value id.
5586 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5589 * config/sh/predicates.md (general_movsrc_operand): Don't check
5590 the subreg of system registers here.
5592 2009-02-05 Jakub Jelinek <jakub@redhat.com>
5595 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5598 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
5600 PR rtl-optimization/39110
5601 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5602 addresses, not aligned ones.
5604 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
5605 Richard Guenther <rguenther@suse.de>
5607 PR tree-optimization/39100
5608 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5609 comment says and add edges.
5611 2009-02-05 Joseph Myers <joseph@codesourcery.com>
5614 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5615 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5617 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5619 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5620 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5621 register_bb_in_sese, new_sese, free_sese): Moved.
5622 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5623 outermost_loop_in_scop, build_scop_iteration_domain,
5624 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5625 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5626 Use loop_in_sese_p instead of loop_in_scop_p.
5627 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5628 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5629 (scopdet_basic_block_info): Fix bug in scop detection.
5630 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5631 eq_loop_to_cloog_loop): Remove.
5632 (nb_loops_around_loop_in_scop, nb_loop
5633 ref_nb_loops): Moved here...
5634 * graphite.h (ref_nb_loops): ... from here.
5635 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5636 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5637 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5638 * testsuite/gcc.dg/graphite/scop-19.c: New
5640 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
5641 Hans-Peter Nilsson <hp@axis.com>
5643 PR rtl-optimization/37889
5644 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5645 Move offset handling from PLUS to before the switch. Use new
5646 arguments when considering SYMBOL_REFs too.
5647 (rtx_addr_can_trap_p): Pass dummy offset and size.
5648 (enum may_trap_p_flags): Remove.
5649 (may_trap_p_1): Pass size from MEM_SIZE.
5651 PR rtl-optimization/38921
5652 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5653 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5654 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5655 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5657 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5659 AVX Programming Reference (January, 2009)
5660 * config/i386/sse.md (*vpclmulqdq): New.
5662 2009-02-04 Jakub Jelinek <jakub@redhat.com>
5664 PR tree-optimization/38977
5665 PR gcov-profile/38292
5666 * calls.c (special_function_p): Disregard __builtin_ prefix.
5668 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5670 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5671 non-indexable addresses even before reload.
5673 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5676 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5677 as having variable size. Do not give an error for unnamed
5678 parameters with [*] declarators. Give a warning for type names
5679 with [*] declarators and mark them as variable size.
5680 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5681 for sizeof applied to [*] type names.
5683 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5686 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5688 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5690 * gcc.c (process_command): Update copyright notice dates.
5691 * gcov.c (print_version): Likewise.
5692 * gcov-dump.c (print_version): Likewise.
5693 * mips-tfile.c (main): Likewise.
5694 * mips-tdump.c (main): Likewise.
5696 2009-02-03 Joseph Myers <joseph@codesourcery.com>
5699 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5700 for composite type involving a zero-length array type.
5702 2009-02-03 Jakub Jelinek <jakub@redhat.com>
5705 * function.c (match_asm_constraints_1): Skip over
5706 initial optional % in the constraint.
5709 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5710 supported, don't accept FIXED_CSTs.
5711 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5712 and _Sat is used without _Fract/_Accum. Set specs->type to
5713 integer_type_node for cts_fract/cts_accum if fixed point is not
5716 2009-02-02 Catherine Moore <clm@codesourcery.com>
5718 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5720 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5722 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5723 (ABI_HAS_64BIT_SYMBOLS): Use it.
5724 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5726 2009-02-02 Paul Brook <paul@codesourcery.com>
5728 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5730 2009-02-02 Jakub Jelinek <jakub@redhat.com>
5733 * recog.h (asm_operand_ok): Add constraints argument.
5734 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5735 recurse on matching constraint.
5736 (check_asm_operands): Pass constraints as 3rd argument to
5737 asm_operand_ok. Don't look up matching constraint here.
5738 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5741 2009-02-02 Ben Elliston <bje@au.ibm.com>
5743 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5744 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5746 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5748 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5749 information. Remove some obsolete information. Reorganize.
5751 * config/pa/fptr.c: Revert license to GPL 2.
5752 * config/pa/milli64.S: Likewise.
5754 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5757 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5758 LIBRARY name in, instead of hard-coding it.
5759 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5760 extra target make frag to tmake_files according to EH model.
5761 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5762 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5763 frags that define makefile variable EH_MODEL appropriately.
5764 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5765 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5766 to "-sjlj" according to type of EH configured.
5767 (LIBGCC_SONAME): Concatenate it to shared library base name.
5768 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5769 to "_sjlj" according to type of EH configured.
5770 (LIBGCC_SONAME): Concatenate it to shared library base name.
5771 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5772 (SHLIB_LINK): Add missing semicolon to if-else construct.
5773 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5774 string value of "pe_dll" command-line option.
5775 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5776 (SHLIB_SONAME): Use it when overriding t-cygming default.
5777 (SHLIB_IMPLIB): Override t-cygming default.
5778 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5779 string value of "pe_dll" command-line option.
5781 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5784 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5785 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5787 2009-01-31 Richard Guenther <rguenther@suse.de>
5789 PR tree-optimization/38937
5790 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5791 computing the transitive closure.
5793 2009-01-30 Richard Guenther <rguenther@suse.de>
5795 PR tree-optimization/39041
5796 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5797 Propagate variable indices only if the types match for this stmt.
5799 2009-01-30 Jakub Jelinek <jakub@redhat.com>
5802 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5803 inline but never defined.
5805 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
5807 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5808 (*insv_h_di_reg_extimm): New insn.
5809 (*insv_l<mode>_reg_extimm): New insn.
5811 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5813 * config/picochip/picochip.c (flag_conserve_stack): set
5814 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5815 fconserve-stack. Reduce call-overhead used by inliner.
5817 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
5820 * common.opt (flag_conserve_stack): Initialised to zero.
5822 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
5825 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5826 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5829 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5831 * ira-color.c (allocno_reload_assign): Update comments.
5832 * regmove.c (regmove_optimize): Likewise.
5836 2009-01-29 Robert Millan <rmh@aybabtu.com>
5838 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5839 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5840 `MD_UNWIND_SUPPORT'.
5841 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5843 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
5845 PR tree-optimization/39007
5846 * tree-loop-distribution.c (generate_builtin): Use
5847 recompute_dominator to compute the immediate dominator of the
5848 basic block just after the loop.
5850 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5852 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5853 (ASM_OUTPUT_DWARF_PCREL): Define.
5855 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
5857 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5858 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5859 global. Modify entries about regmove and IRA.
5861 * ra-conflict.c: Remove the file.
5863 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5865 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5866 (pass_regclass_init): Rename to pass_reginfo_init.
5868 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5870 * toplev.h (flag_ira): Remove.
5872 * caller-save.c (setup_save_areas): Remove flag_ira.
5874 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5876 * global.c: Remove the file.
5878 * opts.c (decode_options): Remove flag_ira.
5880 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5882 * regmove.c: Modify file description.
5883 (find_use_as_address, try_auto_increment): Define them only if
5884 AUTO_INC_DEC is defined.
5885 (replacement_quality, replace_in_call_usage, fixup_match_1,
5886 stable_and_no_regs_but_for_p): Remove.
5887 (reg_set_in_bb): Make it static.
5888 (regmove_optimize): Remove flag_ira and code which worked for
5891 * local-alloc.c: Remove the file.
5893 * common.opt (fira): Remove.
5895 * ira.c: Include except.h.
5896 (eliminable_regset): Move from global.c.
5897 (mark_elimination): Ditto. Remove flag_ira.
5898 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5899 equiv_mem_modified, validate_equiv_mem_from_store,
5900 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5901 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5902 no_equiv, recorded_label_ref): Move from local-alloc.c.
5903 (update_equiv_regs): Ditto. Make it static.
5904 (print_insn_chain, print_insn_chains): Move it from global.c.
5905 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
5906 (build_insn_chain): Ditto. Make it static.
5907 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5908 Rename to init_live_subregs.
5909 (gate_ira): Remove flag_ira.
5911 * regclass.c: Rename reginfo.c. Change file description.
5912 (FORBIDDEN_INC_DEC_CLASSES): Remove.
5913 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5914 (init_reg_sets_1): Remove code for evaluation of
5915 reg_class_superclasses and losing_caller_save_reg_set.
5916 (init_regs): Remove init_reg_autoinc.
5917 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5918 ok_for_base_p_nonstrict): Remove.
5919 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
5920 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5921 corresponding entries.
5922 (dump_regclass, record_operand_costs, scan_one_insn,
5923 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5924 record_address_regs, auto_inc_dec_reg_p): Remove.
5925 (gt-regclass.h): Rename to gt-reginfo.h.
5927 * rtl.h (dump_global_regs, retry_global_alloc,
5928 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5930 * Makefile.in (RA_H): Remove.
5931 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5932 Rename regclass.o to reginfo.o.
5933 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5935 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5936 (GTFILES): Rename regclass.c to reginfo.c.
5938 * passes.c (init_optimization_passes): Remove pass_local_alloc and
5939 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
5941 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5942 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5944 (finish_spills): Ditto. Remove code for !flag_ira.
5946 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5949 * doc/invoke.texi (rtl debug options): Complete rewrite.
5950 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5952 * mode-switching.c (pass_mode_switching): Rename pass from
5953 "mode-sw" to "mode_sw".
5954 * except.c (pass_convert_to_eh_ranges): Rename pass from
5955 "eh-ranges" to "eh_ranges".
5956 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5960 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
5961 Alexander Monakov <amonakov@ispras.ru>
5964 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5966 (move_exprs_to_boundary): Change return type and pass through
5967 should_move from move_op. Relax assert. Update usage ...
5968 (schedule_expr_on_boundary): ... here. Use should_move instead of
5970 (move_op_orig_expr_found): Indicate that insn was disconnected from
5972 (code_motion_process_successors): Do not call after_merge_succs
5973 callback if original expression was not found when traversing any of
5975 (code_motion_path_driver): Change return type. Update prototype.
5976 (move_op): Update comment. Add a new parameter (should_move). Update
5977 prototype. Set *should_move based on indication provided by
5978 move_op_orig_expr_found.
5980 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5982 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5983 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5984 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5985 * config/rs6000/rs6000.c (rs6000_override_options): Default
5986 avoid-indexed-addresses on for Power6, off for everything else.
5987 (avoiding_indexed_address_p): New function.
5988 (rs6000_legitimize_address): Use it.
5989 (rs6000_legitimate_address): Likewise.
5990 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5992 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
5994 PR tree-optimization/38997
5995 * tree-loop-distribution.c (generate_memset_zero): Use
5996 POINTER_PLUS_EXPR for a pointer addition.
5998 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
6000 * config/s390/s390.md (bswap<mode>2): New pattern added.
6002 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6004 * config/s390/s390.md (*tls_load_31): Added type attribute.
6006 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6008 * config/s390/s390.md: Fix a few comments.
6010 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
6012 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6013 (*tm<mode>_full): Fixed z10prop attribute.
6014 (*tst<mode>_extimm): Fixed z10prop attribute.
6015 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6016 (*tstqiCCT_cconly): Fixed z10prop attribute.
6017 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6018 (*movsi_larl): Fixed z10prop attribute.
6019 (*movsi_zarch): Fixed z10prop attribute.
6020 (*movsi_eas): Fixed z10prop attribute.
6021 (*movhi): Fixed z10prop attribute.
6022 (*movqi): Fixed z10prop attribute.
6023 (*movstrictqi): Fixed z10prop attribute.
6024 (*mov<mode>): Fixed z10prop attribute.
6025 (*movcc): Fixed z10prop attribute.
6026 (*sethighpartdi_64): Fixed z10prop attribute.
6027 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6028 (*negdi2_sign_cc): Fixed z10prop attribute.
6029 (*negdi2_sign): Fixed z10prop attribute.
6030 (*absdi2_sign_cc): Fixed z10prop attribute.
6031 (*absdi2_sign): Fixed z10prop attribute.
6032 (*negabsdi2_sign_cc): Fixed z10prop attribute.
6033 (*negabsdi2_sign): Fixed z10prop attribute.
6034 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6035 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6036 (doloop_si64): Fixed z10prop attribute.
6037 (doloop_si31): Fixed z10prop attribute.
6038 (doloop_long): Fixed z10prop attribute.
6039 (indirect_jump): Fixed z10prop attribute.
6040 (nop): Fixed z10prop attribute.
6041 (main_base_64): Fixed z10prop attribute.
6042 (reload_base_64): Fixed z10prop attribute.
6044 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6046 PR rtl-optimization/38740
6047 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6049 * config/mips/mips.c (mips_reorg): Likewise.
6051 2009-01-28 Richard Guenther <rguenther@suse.de>
6053 PR tree-optimization/38926
6054 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6055 with the correct value id to a value.
6056 (do_regular_insertion): Use the value number of edoubleprime
6057 for the value number of the expr.
6060 2008-08-21 Richard Guenther <rguenther@suse.de>
6062 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6063 a PHI ask VN if it is already available.
6064 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6065 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6067 2009-01-28 Jakub Jelinek <jakub@redhat.com>
6070 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6071 set to varying whenever max has TREE_OVERFLOW set, similarly
6072 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6074 2009-01-28 Richard Guenther <rguenther@suse.de>
6077 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6078 uninitialized aggregate uses in call arguments.
6080 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
6082 PR tree-optimization/38984
6083 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6084 the nothing_id variable if -fno-delete-null-pointer-checks.
6086 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
6089 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6090 (set_got_offset_rex64): Ditto.
6092 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
6095 * doc/extend.texi: Improve local variable with asm reg.
6097 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
6099 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6100 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6101 was not supplied then set warn_packed_bitfield_compat to the
6103 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6106 2009-01-27 Richard Guenther <rguenther@suse.de>
6108 PR tree-optimization/38503
6109 * cfgexpand.c (expand_gimple_basic_block): Ignore
6110 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6111 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6112 variables that cannot have TBAA applied.
6113 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6116 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
6119 * calls.c (initialize_argument_information): Do not wrap complex
6120 arguments in SAVE_EXPR.
6122 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
6124 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6125 (INSTALL_LIBGCC): Revert typo commit.
6127 2009-01-26 Richard Guenther <rguenther@suse.de>
6129 PR tree-optimization/38745
6130 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6131 from special handling.
6133 2009-01-26 Richard Guenther <rguenther@suse.de>
6135 PR tree-optimization/38745
6136 * tree-ssa.c (execute_update_addresses_taken): Do not include
6137 variables that cannot possibly be a register in not_reg_needs.
6138 Do not clear TREE_ADDRESSABLE on vars that may not become
6140 * tree-ssa.c (update_alias_info_1): Include those in the set
6141 of addressable vars.
6143 2009-01-26 Richard Guenther <rguenther@suse.de>
6146 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6147 * tree-ssa-dse.c: Include langhooks.h
6148 (execute_simple_dse): Remove stores with zero size.
6150 2009-01-24 Jakub Jelinek <jakub@redhat.com>
6153 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6156 2009-01-24 Julian Brown <julian@codesourcery.com>
6158 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6159 config/arm/linux-atomic.c.
6160 * config/arm/linux-atomic.c: New.
6162 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
6164 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6165 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6166 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6168 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
6171 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6174 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
6176 PR tree-optimization/38953
6177 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6178 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6179 (gloog): Split the exit of the scop when the scop exit is a loop exit.
6180 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6183 2009-01-24 Paul Brook <paul@codesourcery.com>
6185 * config/arm/neon.md (neon_type): Move to arm.md.
6186 (neon_mov<VSTRUCT>): Add neon_type attribute.
6187 * config/arm/arm.md (neon_type): Move to here.
6188 (conds): Add "unconditioal" and use as default for NEON insns.
6190 2009-01-24 Ben Elliston <bje@au.ibm.com>
6192 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6193 void *' warning from -Wc++-compat.
6194 * Makefile.in (dominance.o-warn): Remove.
6196 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
6198 PR tree-optimization/38932
6199 * fold-const.c (fold_unary_ignore_overflow): New.
6200 * tree.h (fold_unary_ignore_overflow): Declare.
6201 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6202 * tree-ssa-sccvn.c (visit_reference_op_load,
6203 simplify_unary_expression): Likewise.
6205 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
6207 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6208 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
6209 regardless of their type.
6210 * c-common.c (handle_packed_attribute): Don't ignore packed on
6212 * c.opt (Wpacked-bitfield-compat): New warning option.
6213 * stor-layout.c (place_field): Warn if offset of a field changed.
6214 * doc/extend.texi (packed): Mention the ABI change.
6215 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6216 (Warning Options): Add it to the list.
6218 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
6220 * c-opts.c (c_common_post_options): Fix a typo in comments.
6222 2009-01-22 Steve Ellcey <sje@cup.hp.com>
6225 * gimplify.c (gimplify_init_constructor): Fix promotion of const
6226 variables to static.
6227 * doc/invoke.texi (-fmerge-all-constants): Update description.
6229 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
6232 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6233 (*movdi_1_rex64): Use type "mmx" for alternative 5.
6235 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
6237 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6239 (LOCAL_ALIGNMENT): Similarly.
6241 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6242 Joseph Myers <joseph@codesourcery.com>
6244 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6245 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6246 * config/arm/arm-tune.md: Regenerate.
6247 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6250 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
6252 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6253 version number to five.
6255 2009-01-22 Dodji Seketeli <dodji@redhat.com>
6258 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6259 * c-common.c (set_underlying_type): Likewise.
6260 (is_typedef_decl ): Likewise
6262 (set_underlying_type): Likewise.
6263 (is_typedef_type): Likewise.
6265 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
6268 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6271 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6274 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
6275 (LIBGCC_SPEC): Don't define.
6276 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
6278 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
6280 PR rtl-optimization/38879
6281 * alias.c (base_alias_check): Unaligned access via AND address can
6282 alias all surrounding object types except those with sizes equal
6283 or wider than the size of unaligned access.
6285 2009-01-21 Dodji Seketeli <dodji@redhat.com>
6288 * c-decl.c (clone_underlying_type): Move this ...
6289 * c-common.c (set_underlying_type): ... here.
6290 Also, make sure the function properly sets TYPE_STUB_DECL() on
6291 the newly created typedef variant type.
6292 (is_typedef_decl ): New entry point.
6293 * tree.h: Added a new member member_types_needing_access_check to
6294 struct tree_decl_non_common.
6295 (set_underlying_type): New entry point.
6296 (is_typedef_type): Likewise.
6298 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
6300 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6301 Check whether two instructions have memory references that
6302 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6303 are helper functions for traversing.
6304 * alias.h (insn_alias_sets_confilict_p): New prototypes.
6305 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6306 not to draw dependency edge for instructions with non-conflicting
6309 2009-01-20 Joseph Myers <joseph@codesourcery.com>
6312 * longlong.h: Update copyright years. Use soft-fp license notice.
6313 Sync __clz_tab declaration with glibc.
6315 2009-01-20 Steve Ellcey <sje@cup.hp.com>
6318 * doc/extend.texi (syscall_linkage): New.
6319 (version_id): Modify.
6321 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
6322 Richard Guenther <rguenther@suse.de>
6324 PR tree-optimization/38747
6325 PR tree-optimization/38748
6326 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6327 conversion if the base address is an indirect reference and the
6328 aliasing sets could cause issues.
6330 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6332 * common.opt (fgraphite, fgraphite-identity): Add comment for
6333 explaining why these options are not documented.
6335 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
6337 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6338 gimple_call_lhs is NULL.
6340 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
6343 * emit-rtl.c (adjust_address_1): Make sure memref is never
6346 2009-01-20 Ben Elliston <bje@au.ibm.com>
6348 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6349 const qualifier from arg parameter. Remove unnecessary cast to char *.
6350 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6351 const qualifier from arg 2.
6353 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6355 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6357 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
6360 * rtl.h (reinit_regs): New prototype.
6361 * regclass.c: Include ira.h.
6363 * Makefile.in (regclass.o): Add ira.h.
6364 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6366 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
6369 * c-common.c (handle_aligned_attribute): Use
6370 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6371 default alignment value.
6373 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6375 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6376 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6378 * doc/extend.texi: Update __attribute__ ((aligned)). Document
6379 __BIGGEST_ALIGNMENT__.
6381 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6383 2009-01-18 Richard Guenther <rguenther@suse.de>
6385 PR tree-optimization/38819
6386 * tree-flow.h (operation_could_trap_helper_p): Declare.
6387 * tree-eh.c (operation_could_trap_helper_p): Export.
6388 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6389 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6390 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6391 are about to insert a possibly trapping instruction and fail
6394 2009-01-18 Andreas Schwab <schwab@suse.de>
6396 * doc/install.texi (Configuration): Remove obsolete paragraph
6397 about use of --with-gnu-ld with --with-gnu-as.
6399 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
6401 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6402 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6403 Follow spelling conventions.
6405 2009-01-18 Ben Elliston <bje@au.ibm.com>
6407 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6408 C++ warning about implicit conversion from void * to struct
6410 (bitmap_obstack_free): Likewise for bitmap_element *.
6411 * Makefile.in (bitmap.o-warn): Remove.
6413 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
6415 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
6417 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
6418 Tobias Grosser <tobi.grosser@amd.com>
6420 * graphite.c (graphite_trans_scop_block): Do not block single
6423 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
6425 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6426 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6427 test with assertion.
6429 2009-01-16 Richard Guenther <rguenther@suse.de>
6431 PR tree-optimization/38835
6433 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6434 and INT + PTR -> (INT)(PTR p+ INT) folding.
6435 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6437 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6440 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6441 the subreg from a lowpart subreg if it is also casting the value.
6443 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6444 Tobias Grosser <tobi.grosser@amd.com>
6446 * graphite.c (compare_prefix_loops): New.
6447 (build_scop_canonical_schedules): Rewritten.
6448 (graphite_transform_loops): Move build_scop_canonical_schedules
6449 after build_scop_iteration_domain.
6451 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6452 Tobias Grosser <tobi.grosser@amd.com>
6454 * graphite.c (add_conditions_to_domain): Add the loops to
6455 the dimension of the iteration domain. Do copy the domain
6456 only when it exists.
6457 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6458 (add_conditions_to_constraints): New.
6459 (can_generate_code_stmt, can_generate_code): Removed.
6460 (gloog): Do not call can_generate_code.
6461 (graphite_transform_loops): Call add_conditions_to_constraints
6462 after building the iteration domain.
6464 2009-01-16 Jakub Jelinek <jakub@redhat.com>
6466 PR tree-optimization/38789
6467 * tree-ssa-threadedge.c
6468 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6469 __builtin_constant_p.
6471 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
6473 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6474 examined before deleting them.
6476 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
6478 * function.c (aggregate_value_p): Correctly extract the function
6479 type from CALL_EXPR_FN lookup.
6481 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6483 * config/picochip/picochip.c (picochip_override_options): Revert
6484 CFI asm flag disable commited previously.
6486 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6487 Tobias Grosser <tobi.grosser@amd.com>
6488 Jan Sjodin <jan.sjodin@amd.com>
6490 * graphite.c (scan_tree_for_params): On substractions negate
6491 all the coefficients of the term.
6492 (clast_to_gcc_expression_red): New. Handle reduction expressions
6493 of more than two operands.
6494 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6495 (get_vdef_before_scop): Handle also the case of default definitions.
6497 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6499 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6500 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6501 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6503 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6504 Joey Ye <joey.ye@intel.com>
6507 * cfgexpand.c (expand_stack_alignment): Don't update stack
6508 boundary nor check incoming stack boundary here.
6509 (gimple_expand_cfg): Update stack boundary and check incoming
6510 stack boundary here.
6512 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
6514 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6516 2009-01-14 Jakub Jelinek <jakub@redhat.com>
6518 PR rtl-optimization/38245
6519 * calls.c (expand_call): Add stack arguments to
6520 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6521 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6522 in regs and partially in memory or BLKmode arguments.
6523 (emit_library_call_value_1): Add stack arguments to
6524 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6525 ACCUMULATE_OUTGOING_ARGS).
6526 * dce.c: Include tm_p.h.
6527 (find_call_stack_args): New function.
6528 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6530 (mark_insn): Call find_call_stack_args for CALL_Ps.
6531 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6532 forwards. Allocate and free arg_stores bitmap if needed, pass it
6533 down to deletable_insn_p, don't mark stores set in arg_stores
6534 bitmap, clear the bitmap at the beginning of each bb.
6535 * Makefile.in (dce.o): Depend on $(TM_P_H).
6537 2009-01-14 Michael Meissner <gnu@the-meissners.org>
6540 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6541 to make sure the insn is a conditional test (bug 22599). Reformat a
6544 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6547 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6548 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6549 (gloog): Do not call cleanup_tree_cfg.
6550 (graphite_transform_loops): Call cleanup_tree_cfg after all
6551 scops have been code generated.
6553 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6554 * doc/gty.texi (Invoking the garbage collector): Added new node
6555 and section documenting ggc_collect.
6557 2009-01-14 Richard Guenther <rguenther@suse.de>
6559 PR tree-optimization/38826
6561 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6562 initialization notes only if we actually emitted a warning.
6563 (intra_create_variable_infos): Add constraints for a result decl
6564 that is passed by hidden reference.
6565 (build_pred_graph): Mark all related variables non-direct on
6568 2009-01-14 Nick Clifton <nickc@redhat.com>
6570 * ira-conflicts.c: Include addresses.h for the definition of
6572 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6573 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6575 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6578 * Makefile.in (ira-lives.o): Add except.h.
6580 * ira-lives.c: Include except.h.
6581 (process_bb_node_lives): Process can_throw_internal.
6583 2009-01-13 Jakub Jelinek <jakub@redhat.com>
6585 PR rtl-optimization/38774
6586 * combine.c (simplify_set): When undoing cc_use change, don't do
6587 PUT_CODE on the newly created comparison, but instead put back the
6590 2009-01-13 Joseph Myers <joseph@codesourcery.com>
6592 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6593 values. Remove duplicate arm8 entry.
6595 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6597 PR tree-optimization/38786
6598 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6599 the SSA_NAME case of expand_scalar_variables_expr.
6600 Set the type of an expression to the type of its assign statement.
6601 (expand_scalar_variables_expr): Also gather the scalar computation
6602 used to index the memory access. Do not pass loop_p.
6603 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6604 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6605 the gimple_stmt_iterator where it inserts new code.
6607 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6608 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6610 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6612 * graphite.h (debug_value): Removed.
6613 * graphite.c (debug_value): Removed.
6615 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6617 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6618 ldrd/strd with two 32-bit instructions.
6620 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
6622 * config/arm/arm.c (struct processors): Pass for speed down into
6623 cost helper functions.
6624 (const_ok_for_op): Handle COMPARE and inequality nodes.
6625 (arm_rtx_costs_1): Rewrite.
6626 (arm_size_rtx_costs): Update prototype.
6627 (arm_rtx_costs): Pass speed down to helper functions.
6628 (arm_slowmul_rtx_costs): Rework cost calculations.
6629 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6630 (arm_9e_rtx_costs): Likewise.
6632 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
6634 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6635 relocations of local symbols wider than UNITS_PER_WORD are not valid.
6636 (alpha_legitimize_address): Do not split local symbols wider than
6637 UNITS_PER_WORD into HIGH/LO_SUM parts.
6639 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6642 * gcc.c (process_command): Replace call to execvp with calls
6643 to pex_one and exit.
6645 2009-01-03 Anatoly Sokolov <aesok@post.ru>
6648 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6649 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6650 variant for devices with 3-byte PC.
6651 (__tablejump_elpm__): New.
6653 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6656 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6657 offsetof member-designator, handle it as `[0].'.
6659 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6661 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6662 function when not using named sections on targets with named sections
6663 if branch distance is less than 262132.
6665 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
6667 * combine.c (combine_instructions): Recompute
6668 optimize_this_for_speed_p for each BB in the main combine loop.
6670 2009-01-12 Tomas Bily <tbily@suse.cz>
6673 * tree-loop-distribution.c (prop_phis): New function.
6674 (generate_builtin): Call prop_phis.
6675 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6677 2009-01-12 Jakub Jelinek <jakub@redhat.com>
6679 PR tree-optimization/38807
6680 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6681 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6683 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6685 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6686 subreg of op0 to the original op0.
6688 2009-01-11 Laurent GUERBY <laurent@guerby.net>
6690 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6692 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6695 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6696 starting with digits.
6698 2009-01-10 Jakub Jelinek <jakub@redhat.com>
6701 * config/arm/arm.c (arm_is_long_call_p): Don't call
6702 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6704 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6706 * regrename.c (regrename_optimize): Fix dumping.
6707 (find_oldest_value_reg): Preserve REG_POINTER.
6708 (copy_hardreg_forward_1): Likewise.
6710 2009-01-09 Diego Novillo <dnovillo@google.com>
6712 * gimple.h (struct gimple_statement_base) <uid>: Document
6713 the restrictions on its use.
6715 (gimple_set_uid): Tidy.
6717 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6719 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6720 zero guard even if align_bytes != 0 and count is smaller than
6723 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
6725 PR rtl-optimization/38495
6726 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6727 (add_range_and_copies_from_move_list): Print all added ranges.
6728 Add ranges to memory optimized destination.
6730 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6734 * config/i386/i386.c (override_options): Reject
6735 -mstringop-strategy=rep_8byte with -m32.
6736 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6737 to 1. Do count comparison against epilogue_size_needed at compile
6738 time even when count_exp was constant forced into register. For
6739 size_needed don't jump to epilogue, instead just avoid aligning
6740 and invoke the body algorithm. If need_zero_guard, add zero guard
6741 even if count is non-zero, but smaller than size_needed + number of
6742 bytes that could be stored for alignment.
6743 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6744 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6745 but smaller than size_needed + number of bytes that could be stored
6746 for alignment. Compare size_needed with epilogue_size_needed instead
6747 of desired_align - align, don't adjust size_needed, pass
6748 epilogue_size_needed to the epilogue expanders.
6751 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6753 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6755 * pa.c (last_address): Change to unsigned.
6756 (update_total_code_bytes): Change argument to unsigned. Don't
6757 check if insn addresses are set.
6758 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6759 addresses are not set.
6760 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6762 2009-01-09 Nick Clifton <nickc@redhat.com>
6764 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6765 DECL_DECLARED_INLINE_P.
6767 2009-01-09 Jakub Jelinek <jakub@redhat.com>
6770 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6771 GET_MODE (op0) in operand_subword_force calls.
6774 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6775 fold_convert arg0 operands to TREE_TYPE (op0) first.
6777 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6779 * params.def (ira-max-conflict-table-size): Decrease default value
6782 2009-01-08 Jakub Jelinek <jakub@redhat.com>
6784 PR tree-optimization/37031
6785 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6787 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6788 allocate it using gc instead of heap, use VEC_quick_push instead of
6790 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6791 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6792 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6793 allocated vector from heap allocated.
6794 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6795 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6796 vector only after perfect_loop_nest_depth call.
6798 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6799 Jan Sjodin <jan.sjodin@amd.com>
6801 PR tree-optimization/38559
6802 * graphite.c (debug_value, copy_constraint,
6803 swap_constraint_variables, scale_constraint_variable, ): New.
6804 (get_lower_bound, get_upper_bound): Removed.
6805 (graphite_trans_bb_strip_mine): Clean up this code that works
6806 only for constant number of iterations. Fully copy upper and
6807 lower bound constraints, not only the constant part of them.
6808 * graphite.h (debug_value): Declared.
6810 2009-01-08 Ira Rosen <irar@il.ibm.com>
6812 PR tree-optimization/37194
6813 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6814 Don't add the cost of cost model guard in prologue to scalar
6815 outside cost in case of known number of iterations.
6817 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6818 Alan Modra <amodra@bigpond.net.au>
6820 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6821 non-word-aligned REG+CONST addressing.
6823 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6826 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6827 free_after_compilation when outputting a thunk.
6828 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6829 Do not call free_after_compilation here.
6831 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
6833 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6834 (ix86_valid_target_attribute_inner_p): Ditto.
6836 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6838 PR tree-optimization/38492
6839 PR tree-optimization/38498
6840 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6841 * tree-chrec.h (scev_is_linear_expression): Declared.
6842 * graphite.c (graphite_cannot_represent_loop_niter): New.
6843 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6844 (graphite_loop_normal_form): Use gcc_assert.
6845 (scan_tree_for_params): Use CASE_CONVERT.
6846 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6847 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6848 Use gcc_assert. Discard scops that contain unhandled cases.
6849 (build_scop_conditions): Return a boolean status for unhandled cases.
6850 (strip_mine_profitable_p): Print the loop number, not its depth.
6851 (is_interchange_valid): Pass the depth of the loop nest, don't
6852 recompute it wrongly.
6853 (graphite_trans_bb_block): Same.
6854 (graphite_trans_bb_block): Print tentative of loop blocking.
6855 (graphite_trans_scop_block): Do not print that the loop has been
6857 (graphite_transform_loops): Do not handle scops that contain condition
6860 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6862 AVX Programming Reference (December, 2008)
6863 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6864 (_mm256_stream_pd): Likewise.
6865 (_mm256_stream_ps): Likewise.
6867 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6868 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6869 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6870 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6871 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6872 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6873 (ix86_expand_special_args_builtin): Likewise.
6875 * config/i386/sse.md (AVXMODEDI): New.
6876 (avx_movnt<mode>): Likewise.
6877 (avx_movnt<mode>): Likewise.
6878 (<sse>_movnt<mode>): Remove AVX support.
6879 (sse2_movntv2di): Likewise.
6881 2009-01-07 Richard Guenther <rguenther@suse.de>
6884 * fold-const.c (extract_muldiv): Remove obsolete comment.
6885 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6886 to PLUS_EXPR canonicalization for the canonicalization.
6888 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6890 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6891 hosted cross-compilers generating less efficient code.
6893 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6895 * function.h (rtl_data): Add a dbr_scheduled_p field.
6896 * reorg.c (dbr_schedule): Set it.
6897 (gate_handle_delay_slots): Check it.
6898 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6899 (mips_reorg): Check flag_delayed_branch instead of
6900 mips_base_delayed_branch.
6901 (mips_override_options): Don't set mips_base_delayed_branch
6902 or flag_delayed_branch.
6904 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6906 PR rtl-optimization/38426.
6907 * ira.c (ira): Set current_function_is_leaf earlier.
6909 2009-01-06 Jakub Jelinek <jakub@redhat.com>
6911 PR rtl-optimization/38722
6912 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6913 too early, only set a flag and modify after last possible
6916 2009-01-06 Janis Johnson <janis187@us.ibm.com>
6919 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6920 * real.c (decimal_single_format): Correct values of emin and emax.
6921 (decimal_double_format): Ditto.
6922 (decimal_quad_format): Ditto.
6923 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6924 computation of DECnn_MIN and DECnn_MAX for corrected values of
6925 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6926 __DECnn_MIN__, and adjust its computation for the corrected value
6929 2009-01-06 Jan Hubicka <jh@suse.cz>
6932 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6934 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6936 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6937 Add Robert Clark to the list of testers.
6939 2009-01-06 Jan Hubicka <jh@suse.cz>
6940 Kai Tietz <kai.tietz@onevision.com>
6942 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6943 * config/i386/i386.c (ix86_expand_call): Add clobbers.
6945 2009-01-06 Jan Hubicka <jh@suse.cz>
6946 Kai Tietz <kai.tietz@onevision.com>
6948 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6950 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6951 (ix86_nsaved_regs): Count only general purpose regs.
6952 (ix86_nsaved_sseregs): New.
6953 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6954 to 16 for w64; compute padding and size of sse reg save area.
6955 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6956 general purpose regs.
6957 (ix86_emit_save_sse_regs_using_mov): New.
6958 (ix86_expand_prologue): Save SSE regs if needed.
6959 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6960 (ix86_emit_restore_sse_regs_using_mov): New.
6961 (ix86_expand_epilogue): Save SSE regs if needed.
6963 2009-01-06 Jan Hubicka <jh@suse.cz>
6964 Kai Tietz <kai.tietz@onevision.com>
6966 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6967 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6968 functions when accumulate outgoing args is off.
6970 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6973 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6974 before using pseudos_have_intersected_live_ranges_p.
6976 * ira-int.h (ira_assert): Always define.
6978 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6980 AVX Programming Reference (December, 2008)
6981 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6982 (_mm256_permute2_pd): Likewise.
6983 (_mm_permute2_ps): Likewise.
6984 (_mm256_permute2_ps): Likewise.
6985 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6986 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6988 * config/i386/i386.c (ix86_builtins): Remove
6989 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6990 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6991 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6992 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6993 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6994 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6995 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6996 __builtin_ia32_vpermil2ps256.
6997 (ix86_init_mmx_sse_builtins): Updated.
6998 (ix86_expand_args_builtin): Likewise.
7000 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7002 * pa.c (output_call): Relocate non-jump insns in the delay slot of
7003 long absolute calls when generating PA 2.0 code.
7005 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
7007 PR rtl-optimization/38583
7008 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7010 * params.def (ira-max-conflict-table-size): New.
7012 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7014 * ira.h (ira_conflicts_p): New external definition.
7016 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7017 table. Report this. Return result of building.
7018 (ira_build_conflicts): Use ira_conflicts_p. Check result of
7019 building conflict table.
7021 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7022 (ira_color): Use ira_conflicts_p.
7024 * global.c: Include ira.h.
7025 (pseudo_for_reload_consideration_p, build_insn_chain): Use
7028 * Makefile.in (global.o): Add ira.h.
7030 * ira-build.c (mark_all_loops_for_removal,
7031 propagate_some_info_from_allocno): New.
7032 (remove_unnecessary_allocnos): Call
7033 propagate_some_info_from_allocno.
7034 (remove_low_level_allocnos): New.
7035 (remove_unnecessary_regions): Add parameter. Call
7036 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
7037 parameter to remove_unnecessary_regions.
7038 (ira_build): Remove all regions but root if the conflict table was
7039 not built. Update conflict hard regs for allocnos crossing calls.
7041 * ira.c (ira_conflicts_p): New global.
7042 (ira): Define and use ira_conflicts_p.
7044 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7045 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7046 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7048 2009-01-06 Ben Elliston <bje@au.ibm.com>
7050 * gengtype-lex.l (YY_NO_INPUT): Define.
7052 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
7055 * c-common.c (handle_vector_size_attribute): Also reject
7058 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
7060 PR tree-optimization/38492
7061 * graphite.c (rename_map_elt, debug_rename_elt,
7062 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7063 rename_map_elt_info, eq_rename_map_elts,
7064 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7065 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7066 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7067 (sese_build_livein_liveouts): New.
7068 (new_sese, free_sese): New.
7069 (new_scop): Call new_sese.
7070 (free_scop): Call free_sese.
7071 (rename_variables_from_edge, rename_phis_end_scop): Removed.
7072 (register_old_new_names): Renamed register_old_and_new_names.
7073 (register_scop_liveout_renames, add_loop_exit_phis,
7074 insert_loop_close_phis, struct igp,
7075 default_liveout_before_guard, add_guard_exit_phis,
7076 insert_guard_phis, copy_renames): New.
7077 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7078 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7079 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7080 (scop_adjust_phis_for_liveouts): New.
7081 (gloog): Call scop_adjust_phis_for_liveouts.
7083 * graphite.h (struct sese): Documented. Added fields liveout,
7085 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7086 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7087 (struct scop): Added field liveout_renames.
7088 (SCOP_LIVEOUT_RENAMES): New.
7090 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7092 PR tree-optimization/38510
7093 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7094 (translate_clast): Call recompute_all_dominators before
7096 (gloog): Call recompute_all_dominators before graphite_verify.
7098 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
7099 Jan Sjodin <jan.sjodin@amd.com>
7101 PR tree-optimization/38500
7102 * graphite.c (create_sese_edges): Call fix_loop_structure after
7105 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
7107 * config.gcc: Add m32r*-*-rtems*.
7108 * config/m32r/rtems.h: New file.
7110 2009-01-05 Ben Elliston <bje@au.ibm.com>
7112 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7113 (.po.pox): Likewise.
7114 (po/gcc.pot): Likewise.
7116 2009-01-04 David S. Miller <davem@davemloft.net>
7118 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7119 (STARTING_FRAME_OFFSET): Always set to zero.
7121 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7123 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7124 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7125 fixed-point types, and vectors of the same.
7127 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
7129 * config/mips/sync.md (*mb_barrier): Rename to...
7130 (*memory_barrier): ...this.
7132 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
7134 * doc/extend.texi (Function Attributes): Move @cindex after @item
7135 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7136 and put in alphabetical order. Fix 'target' name and put in order.
7137 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7140 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
7142 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7143 (memory_barrier): Expand as unspec instead of unspec_volatile.
7144 Remove mem:BLK from insn operands. Use Pmode scratch register.
7145 (*memory_barrier): Define as unspec instead of unspec_volatile.
7146 Use (match_dup 0) as input operand.
7148 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7149 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7150 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
7151 scratch register. Remove operand 1.
7152 (*stbar): Define as unspec instead of unspec_volatile.
7153 Use (match_dup 0) as input operand, remove (const_int 8).
7154 (*membar): Define as unspec instead of unspec_volatile.
7155 Use (match_dup 0) as input operand, remove input operand 2.
7157 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7158 (memory_barrier): Expand as unspec instead of unspec_volatile.
7159 Remove mem:BLK from insn operands. Use Pmode scratch register.
7160 (*memory_barrier): Define as unspec instead of unspec_volatile.
7161 Use (match_dup 0) as input operand.
7163 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7164 Remove mem:BLK from insn operands. Use Pmode scratch register.
7165 Set volatile flag on operand 0.
7166 (*memory_barrier): New insn pattern.
7168 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7170 (*memory_barrier): Use (match_dup 0) as input operand.
7172 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7173 Remove mem:BLK from insn operands. Use Pmode scratch register.
7174 Set volatile flag on operand 0.
7175 (*mb_internal): New insn pattern.
7177 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7179 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7182 * function.c (struct temp_slot): Move to the section of the file
7183 that deals with temp slots. Remove field 'address'.
7184 (temp_slot_address_table): New hash table of address -> temp slot.
7185 (struct temp_slot_address_entry): New struct, items for the table.
7186 (temp_slot_address_compute_hash, temp_slot_address_hash,
7187 temp_slot_address_eq, insert_temp_slot_address): Support functions
7189 (find_temp_slot_from_address): Rewrite to use the new hash table.
7190 (remove_unused_temp_slot_addresses): Remove addresses of temp
7191 slots that have been made available.
7192 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7193 worker function for remove_unused_temp_slot_addresses.
7194 (assign_stack_temp_for_type): Don't clear the temp slot address list.
7195 Add the temp slot address to the address -> temp slot map.
7196 (update_temp_slot_address): Update via insert_temp_slot_address.
7197 (free_temp_slots): Call remove_unused_temp_slot_addresses.
7198 (pop_temp_slots): Likewise.
7199 (init_temp_slots): Allocate the address -> temp slot map, or empty
7200 the map if it is already allocated.
7201 (prepare_function_start): Initialize temp slot processing.
7203 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
7206 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7207 Calculate the size of all stack vars assuming no packing of stack
7208 vars will happen, replacing a quadratic algorithm with a linear one.
7210 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7213 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7216 2009-01-03 Diego Novillo <dnovillo@google.com>
7218 * doc/contrib.texi: Update contributions.
7220 2009-01-03 Jakub Jelinek <jakub@redhat.com>
7223 * builtins.c (fold_builtin_memory_op): Give up if either operand
7224 is volatile. Set srctype or desttype to non-qualified version
7228 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7231 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
7233 PR rtl-optimization/35805
7234 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7235 problem if fast dce is able to remove any instructions.
7236 * dce.c (dce_process_block): Fix dump message.
7238 2009-01-02 Mark Mitchell <mark@codesourcery.com>
7241 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7243 2009-01-02 Jakub Jelinek <jakub@redhat.com>
7246 * tree-flow.h (op_code_prio, op_prio): New prototypes.
7247 * tree-pretty-print.c (op_code_prio): New function.
7248 (op_prio): No longer static. Use op_code_prio.
7249 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7250 Use op_prio and op_code_prio to determine if () should be
7251 printed around operand(s) or not.
7253 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7254 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7255 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7256 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7257 pp_character instead of pp_string for single letter printing.
7259 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
7261 * doc/extend.texi: Fix '#pragma GCC option' typo.
7263 2009-01-02 Richard Guenther <rguenther@suse.de>
7265 * doc/install.texi (--enable-checking): Mention different
7267 (--enable-stage1-checking): Document.
7269 2009-01-01 Andrew Pinski <pinskia@gmail.com>
7272 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
7273 case to be an error.
7275 2009-01-02 Ben Elliston <bje@au.ibm.com>
7277 * config/fp-bit.h (pack_d): Constify argument.
7278 * config/fp-bit.c (makenan): Constify return type. Remove casts.
7279 (isnan): Constify argument.
7283 (_fpadd_parts): Constify return type.
7284 (_fpmul_parts): Likewise.
7285 (_fpdiv_parts): Likewise.
7287 2009-01-01 Jakub Jelinek <jakub@redhat.com>
7290 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
7291 warn about overwriting initializer with side-effects or
7292 -Woverride-init if !IMPLICIT.
7293 (output_init_element): Likewise. Pass IMPLICIT down to
7295 (process_init_element): Add IMPLICIT argument. Pass it down
7296 to output_init_element.
7297 (push_init_element, pop_init_level, set_designator): Adjust
7298 process_init_element callers.
7299 (set_nonincremental_init, set_nonincremental_init_from_string):
7300 Adjust add_pending_init callers.
7301 (output_pending_init_elements): Adjust output_init_element callers.
7302 * c-tree.h (process_init_element): Adjust prototype.
7303 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7304 process_init_element callers.
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